CN115256306A - Press mounting equipment of belt transmission power device and using method thereof - Google Patents

Press mounting equipment of belt transmission power device and using method thereof Download PDF

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Publication number
CN115256306A
CN115256306A CN202211078701.8A CN202211078701A CN115256306A CN 115256306 A CN115256306 A CN 115256306A CN 202211078701 A CN202211078701 A CN 202211078701A CN 115256306 A CN115256306 A CN 115256306A
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CN
China
Prior art keywords
belt pulley
seat
placing seat
belt
movable plate
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Pending
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CN202211078701.8A
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Chinese (zh)
Inventor
张广彪
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Suzhou Alton Electrical and Mechanical Industry Co Ltd
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Suzhou Alton Electrical and Mechanical Industry Co Ltd
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Application filed by Suzhou Alton Electrical and Mechanical Industry Co Ltd filed Critical Suzhou Alton Electrical and Mechanical Industry Co Ltd
Priority to CN202211078701.8A priority Critical patent/CN115256306A/en
Publication of CN115256306A publication Critical patent/CN115256306A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

The application provides a press-fitting device of a belt transmission power device and a use method thereof, the press-fitting device is high in press-fitting working efficiency and avoids installation damage of a belt, and comprises a bottom base, an upper movable plate, a first belt pulley placing seat, a second belt pulley placing seat, a first pressing mechanism and a second pressing mechanism, wherein in the process that the second belt pulley placing seat moves from a first position to a second position, the horizontal distance between a first belt pulley placed on the first belt pulley placing seat and a second belt pulley placed on the second belt pulley placing seat is gradually increased; when the second belt pulley placing seat is located at a second position relative to the first belt pulley placing seat, the first downward pressing mechanism and the second downward pressing mechanism synchronously move downwards to be correspondingly matched with the first belt pulley placing seat and the second belt pulley placing seat along with the downward movement of the upper movable plate.

Description

Press mounting equipment of belt transmission power device and using method thereof
[ technical field ] A method for producing a semiconductor device
The application relates to a press-fitting device of a belt transmission power device and a using method thereof.
[ background of the invention ]
The existing press-fitting equipment comprises a bottom base, an upper movable plate capable of moving up and down, a placing seat arranged on the bottom base, and a pressing mechanism arranged on the upper movable plate and correspondingly arranged above the placing seat, wherein the bottom base is arranged below the upper movable plate and is opposite to the upper movable plate in an up-and-down interval manner, and the pressing mechanism synchronously moves downwards towards the placing seat along with the downward movement of the upper movable plate and presses an article (such as a belt pulley and a motor rotating shaft) to be press-fitted together with the placing seat; the existing belt transmission power device comprises a motor, a small belt wheel, a large belt wheel, a belt, a large belt wheel shaft and a frame, wherein the large belt wheel shaft corresponds to the large belt wheel, the small belt wheel is used for fixing a rotating shaft of the motor together to rotate under the driving of the motor, the belt is in transmission connection between the small belt wheel and the large belt wheel so that the large belt wheel rotates under the driving of the small belt wheel, the large belt wheel shaft is used for being fixed on an inner ring of the large belt wheel and a wheel shaft bearing to connect the large belt wheel and the wheel shaft bearing, and the belt transmission power device can be applied to some air compressors and used as a part of a pump of the air compressor. Generally, when the belt transmission power device is assembled, a motor and a wheel shaft bearing are mounted on a rack, a large belt wheel shaft and a large belt wheel are mounted together, then the small belt wheel is pressed to a rotating shaft of the motor by using corresponding press-fitting equipment, the large belt wheel shaft and the wheel shaft bearing are pressed together by using other press-fitting equipment (corresponding press-fitting equipment is often different due to different processing objects, so that more press-fitting equipment is used, and the press-fitting equipment is more complicated and has low efficiency), then a belt is sleeved on the small belt wheel and the large belt wheel (a belt auxiliary mounting tool is often used, and the labor is too much for free-hand operation), because the relative positions of the small belt wheel and the large belt wheel are basically fixed at the moment, the belt can be mounted on the small belt wheel and the large belt wheel by turning and twisting after the belt is pulled by using large force, and the belt is difficult and easy to cause damage to the belt.
[ summary of the invention ]
The technical problem that this patent application solved lies in raising efficiency and avoids the installation damage of belt.
The press-mounting equipment of the belt transmission power device comprises a bottom base and an upper movable plate capable of moving up and down, wherein the upper movable plate is positioned above the bottom base and is opposite to the bottom base at an upper and lower interval; the second belt pulley placing seat is provided with a first position and a second position, the first position is opposite to the second belt pulley placing seat, the second belt pulley placing seat can transversely move between the first position and the second position relative to the first belt pulley placing seat, and the horizontal distance between the second belt pulley placing seat and the first belt pulley placing seat when the second belt pulley placing seat is at the first position is smaller than the horizontal distance between the second belt pulley placing seat and the first belt pulley placing seat when the second belt pulley placing seat is at the second position; the second belt pulley is placed the seat and remove the in-process from the primary importance to the second place for first belt pulley, lays the first belt pulley that the seat was placed to first belt pulley and lays the horizontal interval between the second belt pulley that the seat was placed to the second belt pulley and increase gradually.
The horizontal distance between the first belt pulley placing seat and the second belt pulley placing seat can be adjusted, so that a belt can be sleeved on the first belt pulley and the second belt pulley relatively easily when the horizontal distance is relatively small, namely when the second belt pulley placing seat is at the first position, the first belt pulley and the second belt pulley and the belt form loose fitting to a certain extent, the second belt pulley placing seat is used for moving from the first position to the second position relative to the first belt pulley placing seat and gradually increasing the horizontal distance between the second belt pulley placing seat and the first belt pulley placing seat to tension the belt, the belt is easily tensioned after the belt is loosely fitted on the first belt pulley and the second belt pulley, the belt does not need to be forcibly twisted in the whole installation process, and the installation damage of the belt is avoided; because first pushing down mechanism, second pushing down mechanism can accompany the synchronous reciprocating of last fly leaf to first pushing down mechanism, second pushing down mechanism can push down in step and carry out crimping work, do benefit to and promote crimping work efficiency.
To this equipment, place the seat at the second belt pulley and placed the seat and moved the second position and the tensioning belt back that finishes for first belt pulley, then can the efficient carry out subsequent crimping work, utilize the first mechanism of pushing down who locates the last fly leaf to push down the mechanism with the second and accompany the fly leaf and move down in step promptly, thereby can place the seat with first belt pulley, the seat is placed to the second belt pulley corresponds the cooperation and carries out crimping work, the installation of belt can closely link up with crimping work afterwards and first mechanism of pushing down can be in step removed down with the second mechanism of pushing down and place the seat with the first belt pulley of below, the seat is placed to the second belt pulley and corresponds the cooperation and carry out crimping work, it is efficient to push down in step. To sum up, based on belt drive power device's pressure equipment of this patent application, can realize improving belt drive power device's packaging efficiency and avoid the installation damage of belt.
Optionally, the belt transmission power device further includes a second pulley axle corresponding to the second pulley, and a wheel axle bearing corresponding to the second pulley axle, when the second pulley placing base is located at the second position relative to the first pulley placing base, along with the downward movement of the upper movable plate, the first pressing mechanism and the second pressing mechanism synchronously move downward, and the first pressing mechanism moves downward toward the first pulley placing base to press the first pulley and the rotating shaft of the motor together with the first pulley placing base, and the second pressing mechanism moves downward toward the second pulley placing base to press the wheel axle bearing and the second pulley axle together with the second pulley placing base.
Optionally, the first pressing mechanism is provided with a first top core and a top core mounting seat corresponding to the first top core, the first top core is fixedly mounted on the top core mounting seat, the first top core is used for downwards abutting against a rotating shaft of the motor, the top core mounting seat is fixed on the upper movable plate, the top core mounting seat is provided with a containing hole, the first top core is mounted in the containing hole, and the inner wall of the containing hole is provided with an internal thread so as to be in threaded connection with the external thread on the first top core; the upper end of the rotating shaft of the motor may be inserted into a portion of the receiving hole located below the first top core to be pushed up by the first top core.
Optionally, the press-fitting device of the belt drive power device is further provided with a bearing cover plate located on the upper side of the upper movable plate, the upper movable plate is provided with a first installation through hole corresponding to the top core installation seat and a second installation through hole corresponding to the second pressing mechanism, the top core installation seat is fixedly locked to the upper movable plate and at least partially accommodated in the first installation through hole, the second pressing mechanism is fixedly locked to the upper movable plate and at least partially accommodated in the second installation through hole, the bearing cover plate is fixedly locked to the upper movable plate, and the first installation through hole and the second installation through hole are both covered by the bearing cover plate; the upper movable plate and the top core mounting seat are respectively provided with corresponding lock screw holes so that the top core mounting seat can be locked on the upper movable plate through corresponding first screws; the upper movable plate and the second pressing mechanism are respectively provided with corresponding lock screw holes so that the second pressing mechanism can be locked on the upper movable plate through corresponding second screws; the pressure-bearing cover plate is also provided with a first through hole corresponding to the first screw and a second through hole corresponding to the second screw, the first through hole can be penetrated by the first screw, the second through hole can be penetrated by the second screw, the first screw does not exceed the first through hole upwards, and the second screw does not exceed the second through hole upwards.
Optionally, the bottom base is provided with a main substrate and a raising platform fixed on the main substrate, the raising platform is located on the upper side of the main substrate, the second belt pulley placing seat is arranged on the raising platform and raised by the raising platform, the second belt pulley placing seat is provided with a first guide portion, the raising platform is provided with a second guide portion matched with the first guide portion to guide the second belt pulley placing seat to transversely move, one of the first guide portion and the second guide portion is a sliding groove, and the other of the first guide portion and the second guide portion is a guide rail matched with the sliding groove.
Optionally, the second pulley seat is horizontally movable between a first position and a second position relative to the first pulley seat; the second guide part is a sliding groove, the first guide part is a guide rail matched with the sliding groove, the heightening platform is provided with a main body part and a detachable stop block fixedly arranged on the main body part, the main body part is provided with a containing groove which penetrates through the two opposite sides of the heightening platform in the moving direction of the second belt pulley placing seat, the second belt pulley placing seat part is contained in the containing groove, one part of the containing groove is blocked by the stop block to form the second guide part, and the stop block stops the first guide part at the upper side of the first guide part to prevent the second belt pulley placing seat from upwards separating from the containing groove.
Optionally, the press-fitting device of the belt transmission power device is further provided with a plurality of first guide pillars, a plurality of first springs, a plurality of first linear bearings, and at least one height limiting pillar for limiting the height of the upper movable plate moving downwards to the right position, the lower ends of the height limiting pillars are fixed on the bottom base, the first guide pillars penetrate through the upper movable plate, the first springs are sleeved on the corresponding first guide pillars, and the lower ends of the first springs are supported on the bottom base; the first linear bearing is fixed on the upper movable plate and sleeved on the corresponding first guide pillar, and the first spring is positioned between the first linear bearing and the upper movable plate in a compressed state so as to provide upward support for the upper movable plate; the height limiting column is provided with a detachable adjusting block positioned at the top end of the height limiting column, and the upper movable plate is pressed downwards and moves downwards to the right position to abut against the adjusting block.
Optionally, the second belt pulley placing seat is provided with a base, a plurality of positioning blocks located on the upper side of the base, and a second top core, the upper surface of the base is used for placing a second belt pulley, the second belt pulley is provided with a plurality of spokes, and the positioning blocks are used for being embedded between adjacent spokes to position the second belt pulley on the second belt pulley placing seat; the positioning blocks are fixed on the base, a plurality of concave prints corresponding to the positioning blocks and a first pit for placing the second top core are formed on the lower surface of the base in a concave mode, the shape of each concave print is matched with the lower end of the corresponding positioning block, and the lower end of each positioning block is embedded into the corresponding concave print; the second ejection core is used for abutting against the second belt pulley axle, and the second ejection core is placed in the first pit and fixed on the base.
Optionally, the first belt pulley placing seat is fixed in position relative to the bottom base, the second belt pulley placing seat is movable relative to the bottom base, the press-fitting device of the belt transmission power device is further provided with a shifting device capable of driving the second belt pulley placing seat to move between the first position and the second position, the shifting device is provided with a movable connecting rod, and the shifting device pushes and pulls the second belt pulley placing seat by the connecting rod to transversely move the second belt pulley placing seat.
Optionally, the press-fitting device of the belt transmission power device is further provided with a movable seat capable of moving up and down, at least one second guide pillar, and at least one second spring for supporting the movable seat, the movable seat and the second belt pulley placing seat are positioned at the left side and the right side of the first belt pulley placing seat, and the second belt pulley placing seat gradually keeps away from the movable seat and the first belt pulley placing seat in the process of moving from the first position to the second position; the belt transmission power device further comprises a rack, the motor and the wheel bearing can be mounted on the rack, the lower end of the second guide post is fixed on the bottom base, the second spring is sleeved on the corresponding second guide post and is used for upwards supporting the movable seat, the rack can be abutted against the movable seat to generate downward abutting force on the movable seat, the movable seat can move downwards under the abutting force, and at least part of the abutting force is derived from the gravity of the rack; when the frame is separated from the movable seat, the movable seat is not pressed by the frame downwards, and the movable seat moves upwards to an initial height under the supporting action of the second spring.
Optionally, the press-fitting device of the belt transmission power device is further provided with a shifting device capable of driving the second belt pulley placing seat to move between the first position and the second position, in the left-right direction, the shifting device, the second belt pulley placing seat, the first belt pulley placing seat and the movable seat are distributed in sequence, and the second belt pulley placing seat moves from the first position to the second position under the pulling of the shifting device and gradually keeps away from the movable seat and the first belt pulley placing seat.
Optionally, the sliding seat is provided with a leaning portion for the frame to lean on, a first side blocking portion and a second side blocking portion, the leaning portion, the first side blocking portion and the second side blocking portion are located on one side, close to the second belt pulley, of the sliding seat, the first side blocking portion extends upwards from one end of the leaning portion, the second side blocking portion extends upwards from the opposite end of the leaning portion, the first side blocking portion, the leaning portion and the second side blocking portion are connected into a U-shaped limiting frame, and the U-shaped limiting frame can be used for enabling the corresponding portion of the frame to be embedded into the U-shaped limiting frame downwards and lean on the leaning portion.
Optionally, the press-fitting device of the belt transmission power device is further provided with a third guide portion for guiding the movable seat to move up and down, the movable seat is further provided with a support mechanism, a fourth guide portion corresponding to the third guide portion, a lapping portion for lapping the rack, and a vertical plate portion, the lapping portion is connected to and laterally protrudes out of the vertical plate portion, and the fourth guide portion and the support mechanism are fixed to the vertical plate portion and located on two opposite sides of the vertical plate portion with the lapping portion; one of the third guiding part and the fourth guiding part is provided with a sliding groove, and the other one of the third guiding part and the fourth guiding part is a guide rail matched with the sliding groove; the upper end of the second spring upwards pushes the supporting mechanism to support the movable seat, the supporting mechanism is provided with at least one second linear bearing sleeved on the corresponding second guide post, and the second spring is positioned between the second linear bearing and the bottom base and is in a compressed state to provide upward support for the movable seat.
Optionally, the press-fitting device of the belt transmission power device is further provided with a first positioning plate vertically arranged on the bottom base and used for fixing a third guide part, the lower end of the first positioning plate is fixed on the bottom base, a sliding groove is formed in the fourth guide part, the third guide part is a guide rail matched with the sliding groove, the lapping part is positioned on one side, close to the second belt pulley placing seat, of the lower end of the vertical plate part, the supporting mechanism is positioned on one side, far away from the second belt pulley placing seat, of the upper end of the vertical plate part, the fourth guide part is positioned on the lower side of the supporting mechanism, the number of the second guide pillars is two, and the fixed third guide part and the first positioning plate are arranged between the two second guide pillars in the middle; the supporting mechanism is further provided with a support, the second linear bearing is fixed on the support, the support is provided with a yielding through groove, and the third guide portion can penetrate through the yielding through groove along the vertical direction to penetrate through the support.
Optionally, the press-fitting device of the belt transmission power device is further provided with at least one stopping column, a second positioning plate fixed relative to the bottom base, and a shifting device capable of driving the second pulley placing seat to move between the first position and the second position, wherein the stopping column is located on one side of the second pulley placing seat, which is far away from the first pulley placing seat, and the second pulley placing seat is stopped by the stopping column to be located at the second position when moving from the first position to the second position; the stopping column is fixed on the second positioning plate and is in a suspended state relative to the bottom base, the second belt pulley placing seat can horizontally move between a first position and a second position relative to the first belt pulley placing seat, and the stopping column is horizontally provided with a second belt pulley placing seat for stopping the horizontal movement; the shifting device is provided with a connecting rod, the shifting device pushes and pulls the second belt pulley placing seat by the connecting rod to move the second belt pulley placing seat, and the connecting rod penetrates through the second positioning plate.
The application further provides a using method of the press-fitting equipment of the belt transmission power device, the press-fitting equipment of the belt transmission power device comprises a bottom base and an upper movable plate capable of moving up and down, the upper movable plate is located above the bottom base and is opposite to the bottom base in an up-and-down interval, the belt transmission power device comprises a motor, a first belt pulley, a second belt pulley, a belt, a rack, a second belt pulley shaft corresponding to the second belt pulley, and a shaft bearing corresponding to the second belt pulley shaft, the belt is in transmission connection between the first belt pulley and the second belt pulley so that the second belt pulley can rotate under the driving of the first belt pulley, the motor and the shaft bearing can be mounted on the rack, the press-fitting equipment of the belt transmission power device further comprises a first belt pulley placing seat, a second belt pulley placing seat, a first pressing mechanism corresponding to the first belt pulley placing seat, a second pressing mechanism corresponding to the second belt pulley placing seat, a movable belt pulley placing seat capable of moving up and down, the second belt pulley placing seat is provided with a distance smaller than the distance between the first belt pulley placing seat and the second belt pulley placing seat when the second belt pulley is horizontally placed between the first belt pulley placing seat and the second belt pulley placing seat; in the process that the second belt pulley placing seat moves from the first position to the second position relative to the first belt pulley placing seat, the horizontal distance between the first belt pulley placed on the first belt pulley placing seat and the second belt pulley placed on the second belt pulley placing seat is gradually increased; the application method of the press-fitting equipment of the belt transmission power device comprises the following steps:
firstly, placing a first belt pulley on a first belt pulley placing seat and placing a second belt pulley which is fixed with a second belt pulley axle on a second belt pulley placing seat;
secondly, when the second belt pulley placing seat is located at a first position relative to the first belt pulley placing seat, sleeving a belt on the first belt pulley and the second belt pulley, and then moving the second belt pulley placing seat to a second position from the first position relative to the first belt pulley placing seat, so that the belt sleeved on the first belt pulley and the second belt pulley is tensioned;
thirdly, under the state that the rack, the motor and the wheel bearing are installed together, the rack is abutted against the movable seat, and the movable seat moves downwards along with the rack;
and fourthly, along with downward movement of the upper movable plate, the first downward pressing mechanism and the second downward pressing mechanism synchronously move downward, the first downward pressing mechanism moves downward towards the first belt pulley placing seat to press the first belt pulley and the rotating shaft of the motor together with the first belt pulley placing seat, the second downward pressing mechanism moves downward towards the second belt pulley placing seat to press the wheel shaft bearing and the wheel shaft of the second belt pulley together with the second belt pulley placing seat.
Optionally, in the step four, during the process that the first pressing mechanism moves downward toward the first pulley placing base, the first pulley placing base abuts against the first pulley and the first pressing mechanism presses down the rotating shaft of the motor to gradually press the rotating shaft of the motor into the first pulley, so that the first pulley and the rotating shaft of the motor are pressed together; the second pushes down the mechanism and places the seat removal in-process towards the second belt pulley downwards, and the seat is placed to the second belt pulley withstands second belt pulley shaft and the second pushes down the mechanism and pushes down the inner circle of wheel bearing and cup joint the inner circle of fixing wheel bearing on the second belt pulley shaft to make wheel bearing and second belt pulley shaft crimping together.
Optionally, the belt transmission power device further includes a first belt pulley end cover, the first belt pulley end cover is configured to be placed at the upper end of the first belt pulley, an outer periphery of the first belt pulley end cover radially exceeds an outer periphery of the upper end of the first belt pulley, and the first belt pulley end cover is provided with an installation through hole for a rotating shaft of the motor to penetrate through; and step three, the movable seat moves downwards under the resisting pressure of the rack until an inner ring of a wheel bearing arranged on the rack is in contact with a second belt wheel shaft and/or a rotating shaft of a motor arranged on the rack is in contact with a first belt wheel end cover arranged at the upper end of a first belt wheel, wherein the resisting pressure at least partially originates from the gravity of the rack.
Optionally, in the second step, after the belt is sleeved on the first belt pulley and the second belt pulley, the first belt pulley end cover is placed on the first belt pulley, and then the second belt pulley placing base is moved from the first position to the second position; and step three, in the process that the movable seat moves downwards under the resisting pressure of the rack, the movable seat supports the rack which is abutted against the movable seat to prevent the rack from toppling over until an inner ring of a wheel shaft bearing arranged on the rack is abutted against a second belt pulley wheel shaft and/or a rotating shaft of a motor arranged on the rack is abutted against a first belt pulley end cover arranged at the upper end of the first belt pulley.
[ description of the drawings ]
Fig. 1 is a perspective view of a press-fitting apparatus of the present patent application (with a second pulley seat in a first position);
fig. 2 is another perspective view of the press-fitting apparatus of the present patent application (with the second pulley seat in the first position);
FIG. 3 is an exploded view of the press-fitting apparatus of the present patent application;
fig. 4 is a perspective view of the press-fitting device of the present application with a first pulley, a second pulley, a belt, etc. placed thereon (with the second pulley seat in the first position);
fig. 5 is a perspective view of the press-fitting apparatus of the present application with a belt-driven power device (the second pulley-placing seat is in the second position and the upper movable plate is stopped by the height-limiting column and moved down to the right position);
fig. 6 is a vertical cross-sectional view of the press-fitting apparatus of the present patent application (with the second pulley seat in the first position);
fig. 7 is a vertical cross-sectional view of the press-fitting apparatus of the present patent application with the belt driven power means (the second pulley cradle is in a second position and the belt driven power means is shown pressed into place);
fig. 8 is another press-fitting apparatus of the present patent application a vertical sectional view (the section is perpendicular to the left-right direction);
fig. 9 is a perspective view of the press-fitting apparatus of the present patent application with parts of the components thereof removed and with the first pulley, the second pulley, and the like placed (with the second pulley seat in the first position).
[ detailed description ] embodiments
Referring to fig. 1 to 9, a press-fitting device of a belt transmission power device includes a motor 10, a first belt pulley 11, a second belt pulley 12 and a belt 13, wherein the first belt pulley 11, the second belt pulley 12 and the belt 13 are fixed together with a rotating shaft 100 of the motor 10 to rotate under the driving of the motor 10, the press-fitting device includes a bottom base 2, an upper movable plate 30 capable of moving up and down, a first belt pulley placing seat 40 capable of placing the first belt pulley 11, a second belt pulley placing seat 41 capable of placing the second belt pulley 12, a first press-down mechanism 50 and a second press-down mechanism 51; the belt 13 is in transmission connection between the first belt pulley 11 and the second belt pulley 12 so that the second belt pulley 12 can be driven by the first belt pulley 11 to rotate; the upper movable plate 30 is located above the bottom base 2, the upper movable plate 30 is opposite to the bottom base 2 at an interval up and down, the first pulley placing seat 40 and the second pulley placing seat 41 are arranged on the bottom base 2, the first downward pressing mechanism 50 and the second downward pressing mechanism 51 are arranged on the upper movable plate 30, and the first downward pressing mechanism 50 and the second downward pressing mechanism 51 can synchronously move up and down along with the upper movable plate 30; the first pressing mechanism 50 is correspondingly matched with the first belt pulley placing seat 40, and the second pressing mechanism 51 is correspondingly matched with the second belt pulley placing seat 41; the second pulley seat 41 has a first position relative to the first pulley seat 40 and a second position relative to the first pulley seat 40, the second pulley seat 41 being laterally movable relative to the first pulley seat 40 between the first position and the second position, the horizontal distance between the second pulley seat 41 and the first pulley seat 40 in the first position being smaller than the horizontal distance between the second pulley seat 41 and the first pulley seat 40 in the second position; in the process that the second pulley placing seat 41 moves from the first position to the second position relative to the first pulley placing seat 40, the horizontal distance between the first pulley 11 placed on the first pulley placing seat 40 and the second pulley 12 placed on the second pulley placing seat 41 is gradually increased, so that the belt 13 sleeved on the first pulley 11 and the second pulley 12 can be gradually tensioned; when the second pulley seat 41 is located at the second position relative to the first pulley seat 40, along with the downward movement of the upper movable plate 30, the first pressing mechanism 50 and the second pressing mechanism 51 synchronously move downward to be correspondingly matched with the first pulley seat 40 and the second pulley seat 41 (i.e. the first pressing mechanism 50 and the second pressing mechanism 51 synchronously move downward and the first pressing mechanism 50 moves downward to be correspondingly matched with the first pulley seat 40 below the first pressing mechanism 50 and the second pressing mechanism 51 moves downward to be correspondingly matched with the second pulley seat 41 below the second pressing mechanism) so as to perform the corresponding crimping work; after the second pulley seat 41 has moved to the second position relative to the first pulley seat 40, subsequent pressing operation may be performed, when the horizontal distance between the first pulley 11 and the second pulley 12 is relatively small, that is, when the second pulley seat 41 is at the first position, the belt may be relatively easily sleeved on the first pulley 11 and the second pulley 12 (see fig. 4), at this time, a certain degree of loose fit is formed between both the first pulley 11 and the second pulley 12 and the belt 13, the second pulley seat 41 is used to press the belt 13 from the first position to the second position relative to the first pulley seat 40, and the horizontal distance between the second pulley seat 40 and the belt 13 is increased to tension the belt 13, so that the belt 13 is easily tensioned after the belt 13 is loosely fitted on the first pulley 11 and the second pulley 12, the belt 13 is not required to be forcibly twisted and folded over the belt 13 during the whole installation process, the installation damage of the belt 13 is avoided, and after the second pulley seat 41 has moved to the second pulley seat 40 to the second position, the belt 13 may be pressed and pressed against the second pulley seat 51, and the second pulley seat may be pressed against the second movable plate 50, and the second movable plate 51, so that the belt 13 may be pressed against the second movable plate 50, and the second movable plate may be pressed down. In this embodiment, the belt 13, the first pulley 11, and the second pulley 12 have teeth, respectively, inner teeth are provided on an inner circumferential surface of the belt 13, and outer teeth are provided on an outer circumferential surface of the first pulley 11 and an outer circumferential surface of the second pulley 12 for meshing with the inner teeth of the belt 13.
The belt-driven power plant further comprises a second pulley axle 14 corresponding to the second pulley 12, an axle bearing 15 corresponding to the second pulley axle 14; when the second pulley seat 41 is located at the second position relative to the first pulley seat 40, the first and second pressing mechanisms 50 and 51 synchronously move downward and the first pressing mechanism 50 moves downward toward the first pulley seat 40 along with the downward movement of the upper movable plate 30, so that the first pulley 11 is pressed against the rotating shaft 100 of the motor 10 with the first pulley seat 40 and the second pressing mechanism 51 moves downward toward the second pulley seat 41 to press against the wheel bearing 15 and the second pulley wheel shaft 14 with the second pulley seat 41 with the first pulley seat 40. The first and second pressing mechanisms 50 and 51 are fixed to the upper plate 30 so as to be synchronously movable up and down with the upper plate 30. As for the fitting between the first depressing mechanism 50 and the first pulley seat 40, in short, the first depressing mechanism 50 is depressed upward and the first pulley seat 40 is abutted downward, so that the fitting completes the crimping work; also, with regard to the fitting between the second hold-down mechanism 51 and the second pulley seat 41, in short, the second hold-down mechanism 51 is held down upward and the second pulley seat 41 is held down downward, so that the fitting completes the crimping work. The upper movable plate 30 is in a horizontal state.
The first pressing mechanism 50 is provided with a first core 500, the first core 500 is used for supporting the rotating shaft 100 of the motor 10, and the first core 500 is directly or indirectly fixed on the upper movable plate 30. The first top core 500 is located right above the first pulley seat 40. The first core 500 may be aligned with the rotating shaft 100 of the motor 10 to vertically and downwardly abut against the rotating shaft 100 of the motor 10.
The first pressing mechanism 50 is further provided with a top core mounting seat 501 corresponding to the first top core 500, the top core mounting seat 501 is fixed on the upper movable plate 30, the first top core 500 is mounted and fixed on the top core mounting seat 501, the top core mounting seat 501 is provided with a receiving hole 502, the first top core 500 is mounted in the receiving hole 502, the inner wall of the receiving hole 502 is provided with internal threads to be in threaded connection with the external threads on the first top core 500, so that the first top core 500 can be conveniently replaced and the depth of the first top core 500 in the receiving hole 502 can be conveniently adjusted to adapt to different rotating shafts 100; the upper end of the rotating shaft 100 of the motor 10 can be inserted into the portion of the accommodating hole 502 located below the first top core 500 and be jacked by the first top core 500, so that the accommodating hole 502 has a certain position limiting and protecting effect on the rotating shaft 100 of the motor 10, the upper end of the rotating shaft 100 of the motor 10 is not easy to misplace, and the depth of the upper end of the rotating shaft 100 of the motor 10 inserted into the accommodating hole 502 is conveniently adjusted by adjusting the depth of the first top core 500 in the accommodating hole 502; before the first top core 500 is screwed into the receiving hole 502, glue may be applied to the inner wall of the receiving hole 502 and the outer periphery of the first top core 500 to enhance the firmness of the first top core 500 in the receiving hole 502. The top core mounting seat 501 is fixed to the upper movable plate 30 by screws. The second pressing mechanism 51 is fixed to the upper movable plate 30 by screws.
The press-fitting device is further provided with a pressure-bearing cover plate 31 located on the upper side of the upper movable plate 30, the upper movable plate 30 is provided with a first mounting through hole 300 corresponding to the top core mounting seat 501, and a second mounting through hole 301 corresponding to the second pressing mechanism 51, the top core mounting seat 501 is locked on the upper movable plate 30 and at least partially accommodated in the first mounting through hole 300, the second pressing mechanism 51 is locked on the upper movable plate 30 and at least partially accommodated in the second mounting through hole 301, the pressure-bearing cover plate 31 is locked on the upper movable plate 30, the first mounting through hole 300 and the second mounting through hole 301 are both covered by the pressure-bearing cover plate 31, so as to inhibit dust deposition and collision damage of the first mounting through hole 300 and the second mounting through hole 301. The press-fitting equipment of the belt transmission power device generally needs to be used together with a press machine (such as a hydraulic press machine), the upper movable plate 30 moves downwards under the pressing effect of a press head (also called a hammer head) of the press machine, the pressure-bearing cover plate 31 directly bears the pressing effect of the press head of the press machine, the upper movable plate 30 is indirectly pressed downwards by the press head of the press machine, the press head of the press machine is prevented from directly bearing the upper movable plate 30, the upper movable plate 30 is prevented from being directly bearing pressure to be abraded or damaged, and the increase of the pressure-bearing area of the upper movable plate 30 is facilitated; the pressure-bearing cover plate 31 is relatively easy to replace, so that there is no need for undue concern about wear of the pressure-bearing cover plate 31. The components of the press-fitting device of the belt-driven power unit of the present embodiment have high strength, and preferably, high-quality steel material is used. The upper movable plate 30 and the top core mounting seat 501 are respectively provided with corresponding lock screw holes so that the top core mounting seat 501 is locked on the upper movable plate 30 by corresponding first screws (not shown); the upper movable plate 30 and the second pressing mechanism 51 are respectively provided with corresponding lock screw holes so that the second pressing mechanism 51 is locked on the upper movable plate 30 by corresponding second screws (not shown); the pressure-bearing cover plate 31 is provided with a first through hole 310 corresponding to a first screw and a second through hole 311 corresponding to a second screw, the first through hole 310 can be penetrated by the first screw, the second through hole 311 can be penetrated by the second screw, the first screw does not exceed the first through hole 310 upwards, and the second screw does not exceed the second through hole 311 upwards. So set up, make things convenient for the dismouting of first screw, second screw to make things convenient for knock core mount pad 501, the dismouting that mechanism 51 was pushed down to the second, and bear the pressure apron 31 and can play the guard action to first screw, second screw, do benefit to and avoid first screw, second screw to be collided and damage or not hard up, thereby guarantee knock core mount pad 501, the firm of mechanism 51 is pushed down to the second. The second pressing mechanism 51 extends downward from the upper movable plate 30, the second pressing mechanism 51 is provided with a yielding hole 510, at least part of the yielding hole 510 is located at a lower end 511 of the second pressing mechanism 51, the lower end 511 of the second pressing mechanism 51 is used for downward abutting against the inner ring 150 of the wheel bearing 15 so as to fix the inner ring 150 of the wheel bearing 15 on the second pulley axle 14 in a sleeved manner, and the yielding hole 510 is used for the upper end of the second pulley axle 14 to extend into. The wheel bearing 15 is a ball bearing.
The bottom base 2 is provided with a main substrate 20 and a raising platform 21 fixed on the main substrate 20, the raising platform 21 is positioned on the upper side of the main substrate 20, a second belt pulley placing seat 41 is arranged on the raising platform 21 and raised by the raising platform 21, the second belt pulley placing seat 41 is provided with a first guide part 410, the raising platform 21 is provided with a second guide part 210 matched with the first guide part 410 to guide the second belt pulley placing seat 41 to move transversely, one of the first guide part 410 and the second guide part 210 is a sliding chute, and the other of the first guide part 410 and the second guide part 210 is a guide rail matched with the sliding chute; the second pulley seat 41 is horizontally movable between a first position and a second position with respect to the first pulley seat 40; in this embodiment, the second guiding portion 210 is a sliding slot, and the first guiding portion 410 is a guide rail engaged with the sliding slot; the step-up table 21 is provided with a main body part 211 and a detachable stopper 212 fixed to the main body part 211, the main body part 211 is provided with accommodating grooves 2110 penetrating through opposite sides of the step-up table 21 in a moving direction of the second pulley seat 41, the second pulley seat 41 is partially accommodated in the accommodating grooves 2110, a part of the accommodating grooves 2110 is shielded by the stopper 212 to form the second guide part 210, and the stopper 212 stops the first guide part 410 at an upper side of the first guide part 410 to prevent the second pulley seat 41 from being separated upward from the accommodating grooves 2110. In this embodiment, the moving direction of the second pulley seat 41 is a left-right direction, the main body 211 may be a metal block, the main body 211 and the main substrate 20 are respectively provided with corresponding lock screw holes, so that the main body 211 is locked on the main substrate 20 by screws, and the main substrate 20 is in a horizontal state.
The press-fitting equipment is further provided with a plurality of first guide pillars 60, a plurality of first springs 61, a plurality of first linear bearings 62, and at least one height limiting pillar 63 for limiting the height of the upper movable plate 30 moving downwards to the right position, the lower ends of the height limiting pillars 63 are fixed on the bottom base 2, the first guide pillars 60 penetrate through the upper movable plate 30, the first springs 61 are sleeved on the corresponding first guide pillars 60, and the lower ends of the first springs 61 are supported on the bottom base 2; the first linear bearings 62 are fixed to the upper movable plate 30 and fit over the corresponding first guide posts 60, and the first springs 61 are compressed between the first linear bearings 62 and the upper movable plate 30 to provide upward support to the upper movable plate 30. With such a design, the upper plate 30 is promoted to be capable of smoothly and stably moving up and down along the first guide post 60. When the upper movable plate 30 is pressed down to the height-limiting columns 63 by an external force, the upper movable plate 30 is blocked by the height-limiting columns 63, so that the upper movable plate 30 moves down to the proper position, and the height-limiting columns 63 limit the height of the upper movable plate 30 moving down to the proper position, thereby preventing the upper movable plate 30 from being excessive. After the upper movable plate 30 moves downwards to the height limiting column 63, the press-fitting work of the press-fitting equipment of the belt transmission power device is completed. The first guide posts 60 are erected on the base 2, respectively, and the first guide posts 60 are locked to the main base plate 20 by screws. The upper end of the first guide post 60 is provided with a first stop sheet 64; when the press head of the press machine is separated from the press-fitting equipment of the belt transmission power device, so that the upper movable plate 30 is not pressed down by the press machine, the upper movable plate 30 moves upwards and is reset to the first stopping sheet 64 under the supporting action of the first spring 61; specifically, when the upper movable plate 30 is not pressed down by the press, the upper movable plate 30 moves upward until being blocked by the first blocking piece 64 under the supporting action of the first spring 61, and the resetting is completed. The first linear bearing 62 is provided with a first sheath 620, the first guide post 60 penetrates through the first sheath 620, the upper end of the first spring 61 is pressed against the first sheath 620, and the upper end of the first sheath 620 abuts against the upper movable plate 30. In this embodiment, the number of the first guide posts 60 and the number of the first springs 61 are four.
The height-limiting column 63 is provided with a detachable adjusting block 630 at the top end thereof, and the upper movable plate 30 is pressed downwards and moves downwards to the proper position to abut against the adjusting block 630, so that when the height of the upper movable plate 30 moving downwards to the proper position needs to be changed, the whole height-limiting column 63 does not need to be changed, and the height of the height-limiting column 63 can be adjusted by changing the adjusting block 630 with other height sizes. The height-restricting post 63 is locked to the upper end of the height-restricting post 63 by a screw. The number of the height limiting columns 63 is four in this embodiment, and the four height limiting columns 63 are distributed at four corners of the bottom base 2 to be in an upright state, so as to be capable of bearing the downward pressure of the upper movable plate 30 in a balanced and stable manner, and prevent the upper movable plate 30 from inclining. The lower ends of the height-restricting columns 63 and the main base plate 20 are provided with corresponding lock screw holes, respectively, so that the height-restricting columns 63 are locked to the main base plate 20 by screws.
The second pulley placing seat 41 is provided with a base 411 and a plurality of positioning blocks 412 positioned on the upper side of the base 411, the second pulley 12 is placed on the upper surface of the base 411, the second pulley 12 is provided with a plurality of spokes 120, and the positioning blocks 412 are embedded between the adjacent spokes 120 so as to position the second pulley 12 on the second pulley placing seat 41; the positioning block 412 is fixed on the base 411, specifically, the base 411 and the positioning block 412 are respectively provided with corresponding lock screw holes, so that the positioning block 412 is locked on the base 411 by screws; the upper surface of the base 411 is concavely formed with a plurality of concave prints 413 corresponding to the positioning blocks 412, the shapes of the concave prints 413 are matched with the lower ends of the corresponding positioning blocks 412, and the lower ends of the positioning blocks 412 are embedded into the corresponding concave prints 413. In this embodiment, the base 411 is a single metal block, and the first guide portion 410 is a part of the base 411. The second pulley seat 41 is further provided with a second top core 414, the second top core 414 is used for abutting against the second pulley shaft 14, the upper surface of the base 411 is further formed with a first concave pit 415 for placing the second top core 414, and the second top core 414 is placed in the first concave pit 415 and fixed to the base 411. When it is desired to match a different second pulley axle 14, this may be conveniently accomplished by replacing the second mandrels 414 of other height dimensions. The second pulley 12 is provided with an eccentric shaft mounting portion 121, and a second recess 416 directly connected to the first recess 415 is further formed in the upper surface of the base 411, and the second recess 416 accommodates the eccentric shaft mounting portion 121. The second core 414 and the base 411 are respectively provided with corresponding lock screw holes so that the second core 414 is locked to the base 411 by screws. In this embodiment, the number of the spokes 120 and the positioning blocks 412 is 3 respectively.
In the embodiment in which the first pulley seat 40 is fixed in position with respect to the bottom base 2 and the second pulley seat 41 is movable with respect to the bottom base 2, further, the first pulley seat 40 and the main base plate 20 are respectively provided with corresponding locking screw holes so as to lock the first pulley seat 40 to the main base plate 20 by screws. The press-fitting equipment of the belt transmission power device is also provided with a shifting device 7 which can drive the second belt pulley placing seat 41 to move between a first position and a second position, the shifting device 7 is provided with a movable connecting rod 70, an air cylinder 71, a piston 72 which is positioned in the air cylinder 71 and connected with the connecting rod 70 and a control handle 73, and the shifting device 7 pushes and pulls the second belt pulley placing seat 41 by the connecting rod 70 so as to transversely move the second belt pulley placing seat 41; specifically, by controlling the air pressure in the air cylinder 71 on the left and right sides of the piston 72 to generate an air pressure difference to drive the piston 72 to move in the air cylinder 71, the movement of the piston 72 in the air cylinder 71 drives the connecting rod 70 to move synchronously, so that the second pulley placing seat 41 connected with the connecting rod 70 can be moved; based on the control handle 73 being at different positions, the shifting device 7 can selectively drive the second pulley seat 41 to the first position or the second position; in fig. 1, 2, 4, 9, the control handle 73 is in an initial position, in which the second pulley seat 41 is in a first position; in fig. 5, the control handle 73 is pulled down to another position, at which time the second pulley receptacle 41 is moved to a second position. The connecting rod 70 is horizontally disposed, and the second pulley seat 41 can be driven by the connecting rod 70 to horizontally move between the first position and the second position. The shifting device 7 of the present embodiment is a pull rod type pneumatic member manufactured and sold by the company of alder, which is a purchased existing product in the market, and further detailed structure thereof is not repeated; instead of using the displacement device 7 of the present embodiment, it is of course possible to purchase or design other mechanical or electrical mechanisms for displacing the second pulley seat 41. The second pulley seat 41 is provided with a connection block 417 fixed to the base 411, the connection block 417 is locked to the base 411 by a screw, and one end of the link 70 is locked to the connection block 417 by a screw.
The belt transmission power device further comprises a rack 16, the motor 10 and the wheel bearing 15 can be mounted on the rack 16 so as to be conveniently assembled as a whole, the press-mounting equipment of the belt transmission power device is further provided with a movable seat 8 capable of moving up and down, at least one second guide pillar 90 and at least one second spring 91 supporting the movable seat 8, the movable seat 8 can be abutted by the rack 16, the movable seat 8 and the second belt pulley placing seat 41 are positioned on the left side and the right side of the first belt pulley placing seat 40, and the second belt pulley placing seat 41 is gradually far away from the movable seat 8 and the first belt pulley placing seat 40 in the process of moving from the first position to the second position; the upper movable plate 30 is located above the second guide posts 90 and is spaced apart from the second guide posts 90 up and down, the lower ends of the second guide posts 90 are fixed to the bottom base 2, the second springs 91 are sleeved on the corresponding second guide posts 90 to support the movable seat 8 upward, the frame 16 can be abutted against the movable seat 8 to generate downward abutting force on the movable seat 8, the movable seat 8 can move downward under the abutting force, and at least part of the abutting force is derived from the gravity of the frame 16; when the frame 16 is separated from the movable seat 8 so that the movable seat 8 is not pressed downward by the frame 16, the movable seat 8 moves upward to return to an initial height (the movable seat 8 is at the initial height in fig. 1, 2, 4, 6, 8 and 9) under the supporting action of the second spring 91. The aforementioned resisting pressure in this embodiment is mainly derived from the gravity of the frame 16 and the gravity of the motor 10 fixed on the frame 16. The upper end of the second guide post 90 is provided with a second stopping sheet 92, and after the rack 16 is separated from the movable seat 8, so that the movable seat 8 is not pressed downward by the rack 16, under the supporting action of the second spring 91, the movable seat 8 will move upward to the second stopping sheet 92 and be stopped by the second stopping sheet 92, so as to be reset to the initial height. The movable seat 8 is suspended under the support of the second spring 91. The movable seat 8 and the shifting device 7 are located at the left and right sides of the second belt pulley placing seat 41 and the first belt pulley placing seat 40, in the left and right direction, the shifting device 7, the second belt pulley placing seat 41, the first belt pulley placing seat 40 and the movable seat 8 are distributed in sequence, and the second belt pulley placing seat 41 moves from the first position to the second position under the pulling of the shifting device 7 and gradually keeps away from the movable seat 8 and the first belt pulley placing seat 40. The frame 16 is an integrally formed one-piece component of metal, preferably stainless steel.
The movable seat 8 is provided with an abutting part 80, a first side blocking part 81 and a second side blocking part 82 for the frame 16 to abut against, the abutting part 80, the first side blocking part 81 and the second side blocking part 82 are positioned on one side of the movable seat 8 close to the second belt pulley placing seat 41, the first side blocking part 81 extends upwards from one end of the abutting part 80, the second side blocking part 82 extends upwards from the other end opposite to the abutting part 80, the first side blocking part 81, the abutting part 80 and the second side blocking part 82 are connected into a U-shaped limiting frame, and the U-shaped limiting frame can be used for enabling the corresponding part of the frame 16 to be embedded into the U-shaped limiting frame downwards to abut against the abutting part 80; it should be noted that in this embodiment, the corresponding portion of the frame 16 can also be embedded into the U-shaped limiting frame. The press-fitting equipment of the belt transmission power device is also provided with a third guide part 93 for guiding the movable seat 8 to move up and down, the movable seat 8 is also provided with a supporting mechanism, a fourth guide part 83 corresponding to the third guide part 93 and a vertical plate part 84, the leaning part 80 is connected with and laterally protrudes out of the vertical plate part 84, and the fourth guide part 83 and the supporting mechanism are fixed on the vertical plate part 84 and are positioned at two opposite sides of the vertical plate part 84 with the leaning part 80; one of the third guiding portion 93 and the fourth guiding portion 83 is formed with a sliding slot, and the other of the third guiding portion 93 and the fourth guiding portion 83 is a guide rail matched with the sliding slot; the upper end of the second spring 91 pushes up the supporting mechanism to support the movable seat 8, the supporting mechanism is provided with at least one second linear bearing 85 sleeved on the corresponding second guide post 90, and the second spring 91 is located between the second linear bearing 85 and the bottom base 2 in a compressed state to provide upward support for the movable seat 8. The press-fitting equipment is further provided with a first positioning plate 94 which is vertically arranged on the bottom base 2 and used for fixing a third guide part 93, the lower end of the first positioning plate 94 is fixed on the bottom base 2, a sliding groove is formed in the fourth guide part 83, the third guide part 93 is a guide rail matched with the sliding groove, and the leaning part 80 is positioned at one side, close to the second belt pulley placing seat 41, of the lower end of the vertical plate part 84, so that the leaning part 80 can sink to a lower position conveniently, and the rack 16 can be conveniently leaned on; the supporting mechanism is located on one side of the upper end of the vertical plate portion 84 away from the second pulley placing seat 41, the fourth guide portion 83 is located on the lower side of the supporting mechanism, the number of the second guide posts 90 is two, and the third guide portion 93 and the first positioning plate 94 which are fixed together are centrally arranged between the two second guide posts 90; the supporting mechanism is further provided with a bracket 86, the second linear bearing 85 is fixed on the bracket 86, the bracket 86 is provided with a yielding through groove 860, and the third guide part 93 can penetrate through the yielding through groove 860 along the vertical direction and penetrate through the bracket 86; so design, do benefit to the balanced stable reciprocating of sliding seat 8. The leaning portion 80 is located on a side of the vertical plate portion 84 facing the second pulley seat 41, and the supporting mechanism, the fourth guiding portion 83, the first positioning plate 94 and the second guide post 90 are all located on a side of the vertical plate portion 84 facing away from the second pulley seat 41, so that the side of the vertical plate portion 84 facing the second pulley seat 41 (i.e. the side where the leaning portion 80 is located) can be emptied, and a more sufficient space is provided to facilitate the frame 16 to lean on the leaning portion 80. The riser portion 84 and the bracket 86 are provided with corresponding lock screw holes, respectively, so that the riser portion 84 and the bracket 86 are locked together by screws. The bracket 86 is U-shaped. The second linear bearing 85 is provided with a second sheath 850, the second guide post 90 penetrates through the second sheath 850, the upper end of the second spring 91 is pressed upwards against the second sheath 850, and the upper end of the second sheath 850 is abutted against the bracket 86. The first side baffle part 81, the lapping part 80 and the second side baffle part 82 are respectively and integrally connected to a vertical plate part 84, and the vertical plate part 84 and the bracket 86 are respectively provided with corresponding lock screw holes so as to lock the vertical plate part 84 and the bracket 86 together through screws; the vertical plate portion 84 and the fourth guide portion 83 are provided with corresponding lock screw holes, respectively, so that the vertical plate portion 84 and the fourth guide portion 83 are locked together by screws.
The press-fitting equipment is further provided with at least one stopping column 95, the stopping column 95 is positioned on one side, away from the first belt pulley placing seat 40, of the second belt pulley placing seat 41, and the second belt pulley placing seat 41 is stopped at the second position by the stopping column 95 when moving from the first position to the second position; the stopper posts 95 prevent the second pulley seat 41 from being excessively displaced. When the second pulley seat 41 moves from the first position to the second position, the base 411 of the second pulley seat 41 is stopped by the stopping post 95.
The aforesaid pressure equipment still is equipped with for the fixed second locating plate 96 of bottom base 2, backstop post 95 is fixed in second locating plate 96 and is unsettled state for bottom base 2, backstop post 95 level sets up the second pulley that supplies backstop horizontal migration to come and places seat 41. The bottom base 2 is provided with a fixing plate 22 for fixing a second positioning plate 96, the fixing plate 22 is attached to the main base plate 20 and locked to the main base plate 20, the second positioning plate 96 stands on the upper side of the main base plate 20 in a state perpendicular to the main base plate 20, and the second positioning plate 96 is locked to the fixing plate 22, thereby being indirectly locked to the main base plate 20. The fixing plate 22 and the main substrate 20 are respectively provided with corresponding lock screw holes so that the fixing plate 22 is locked on the main substrate 20 by screws; the second positioning plate 96 and the fixing plate 22 are provided with corresponding lock screw holes, respectively, so that the second positioning plate 96 is locked to the fixing plate 22 by screws. The connecting rod 70 penetrates the second positioning plate 96.
The first pulley seat 40 is fixed with respect to the bottom base 2 and the second pulley seat 41 is movable with respect to the bottom base 2; the first belt pulley placing seat 40 is vertically arranged on the bottom base 2, the first belt pulley placing seat 40 is locked on the bottom base 2 through a screw, the press-fitting equipment is further provided with a movable pin 87 capable of moving up and down, and a third spring 88 used for abutting against the movable pin 87, the first belt pulley placing seat 40 is provided with a third through hole 400 for the movable pin 87 to penetrate through, the movable pin 87 and the third spring 88 are respectively at least partially arranged inside the first belt pulley placing seat 40, the third spring 88 is abutted against and pressed between the movable pin 87 and the bottom base 2, and the movable pin 87 can penetrate through the third through hole 400 and extend into the first belt pulley 11 so as to limit the first belt pulley 11 on the first belt pulley placing seat 40.
The belt-driven power unit of the present embodiment is applied to an air compressor, and constitutes a part of a pump of the air compressor, and a connecting rod piston (not shown) for driving the pump reciprocates in a cylinder (not shown) of the pump to compress air. One end of the connecting rod piston of the pump is pivotally connected with an eccentric shaft (not shown) of the pump, and the eccentric shaft of the pump is fixedly installed at the eccentric shaft installation part 121; when air is compressed, the motor 10 drives the first belt pulley 11, and further indirectly drives the second belt pulley 12 through the belt 13, and under the driving of the second belt pulley 12, a connecting rod piston of the pump reciprocates in a cylinder of the pump to compress the air; the cylinder of the pump is typically mounted and fixed to the frame 16. In this embodiment, the first pulley 11 is a small pulley, and the second pulley 12 is a large pulley. The belt transmission power device further comprises a first belt pulley end cover 17, the first belt pulley end cover 17 is arranged at the upper end of the first belt pulley 11, the first belt pulley end cover 17 is provided with an installation through hole 170 for the rotating shaft 100 of the motor 10 to penetrate through, and the outer periphery of the first belt pulley end cover 17 exceeds the outer periphery of the upper end of the first belt pulley 11 along the radial direction, namely the radial direction of the first belt pulley 11; the outer periphery of the first pulley end cap 17 is circular and the mounting opening 170 is located in the middle of the first pulley end cap 17.
The application also provides a use method of the press fitting equipment, which comprises the following steps:
firstly, a first belt pulley 11 is placed on a first belt pulley placing seat 40, and a second belt pulley 12 fixed with a second belt pulley axle 14 is placed on a second belt pulley placing seat 41;
step two, when the second pulley placing seat 41 is located at the first position relative to the first pulley placing seat 40, the belt 13 is sleeved on the first pulley 11 and the second pulley 12, and then the second pulley placing seat 41 is moved from the first position to the second position relative to the first pulley placing seat 40, so that the belt 13 sleeved on the first pulley 11 and the second pulley 12 is tensioned;
thirdly, under the state that the frame 16, the motor 10 and the wheel bearing 15 are installed together, the frame 16 is abutted against the movable seat 8, and the movable seat 8 moves downwards along with the frame 16;
and step four, along with the downward movement of the upper movable plate 30, the first and second pressing mechanisms 50 and 51 synchronously move downward, and the first pressing mechanism 50 moves downward toward the first pulley seat 40 to press the first pulley 11 against the rotating shaft 100 of the motor 10 with the first pulley seat 40, and the second pressing mechanism 51 moves downward toward the second pulley seat 41 to press the wheel bearing 15 against the second pulley wheel 14 with the second pulley seat 41.
For the fourth step, during the process that the first pressing mechanism 50 moves downwards towards the first pulley placing seat 40, the first pulley placing seat 40 supports against the first pulley 11 and the first pressing mechanism 50 presses the rotating shaft 100 of the motor 10 to gradually press the rotating shaft 100 of the motor 10 into the first pulley 11, so that the first pulley 11 is pressed with the rotating shaft 100 of the motor 10; during the process that the second pressing mechanism 51 moves downward toward the second pulley seat 41, the second pulley seat 41 presses the second pulley axle 14 and the second pressing mechanism 51 presses the inner ring 150 of the axle bearing 15 to fix the inner ring 150 of the axle bearing 15 on the second pulley axle 14, so that the axle bearing 15 and the second pulley axle 14 are pressed together.
The axial direction of the first pulley 11 placed behind the first pulley seat 40 and the axial direction of the second pulley 12 placed behind the second pulley seat 41 should be as vertical as possible to facilitate the crimping work. For step four, the first pressing mechanism 50 presses the rotating shaft 100 of the motor 10 through the first top core 500, and the second top core 414 of the second pulley seat 41 presses the second pulley axle 14.
For step four, the upper movable plate 30 moves downward by the pressing down of the ram of the press until being stopped by the height-restricting post 63, and the motor 10, the wheel bearing 15 and the frame 16 move downward in synchronization with the downward movement of the rotating shaft 100 of the motor 10 by the first pressing down mechanism and the downward movement of the inner ring 150 of the wheel bearing 15 by the second pressing down mechanism.
For step three, the movable seat 8 moves downwards under the abutting pressure of the rack 16, wherein the abutting pressure is at least partially derived from the gravity of the rack 16; in addition, for the third step, the movable seat 8 moves downwards under the abutting force of the frame 16 until the inner ring 150 of the wheel bearing 15 mounted on the frame 16 abuts against the second pulley wheel 14 and/or the rotating shaft 100 of the motor 10 mounted on the frame 16 abuts against the first pulley end cover 17 placed on the upper end of the first pulley 11.
For the second step, after the belt 13 is sleeved on the first belt pulley 11 and the second belt pulley 12, the first belt pulley end cover 17 is placed on the first belt pulley 11, and then the second belt pulley placing seat 41 is moved from the first position to the second position; for step three, during the downward movement of the movable seat 8 under the resisting pressure of the frame 16, the frame 16 abutting on the movable seat 8 is supported to prevent the frame 16 from toppling over until the inner ring 150 of the wheel bearing 15 mounted on the frame 16 abuts on the second pulley shaft 14 and/or the rotating shaft 100 of the motor 10 mounted on the frame 16 abuts on the first pulley end cover 17 mounted on the upper end of the first pulley 11. The abutment between the inner race 150 of the wheel bearing 15 mounted to the frame 16 and the second pulley wheel 14 in this embodiment is synchronized with the abutment between the rotating shaft 100 of the motor 10 mounted to the frame 16 and the first pulley end cap 17 placed on the upper end of the first pulley 11. Referring to fig. 7, after the press-fitting is completed, the inner ring 150, the outer ring 151, and the frame 16 of the wheel bearing 15 abut against the positioning block 412, and the lower end 511 of the second press-down mechanism 51 is inserted into the frame 16; after the crimping is completed, the inner ring 150 of the axle bearing 15 is in interference fit with the second pulley axle 14 so as to be fixed to the second pulley axle 14, and the first pulley 11 and the first pulley cover 17 are in interference fit with the rotating shaft 100 of the motor 10 so as to be fixed to the rotating shaft 100 of the motor 10.

Claims (10)

1. The utility model provides a belt drive power device's pressure equipment, belt drive power device includes the motor, can supply the pivot that supplies the motor to be fixed together with pivoted first belt pulley, second belt pulley under the drive of motor, thereby supply the transmission to connect and to rotate belt, its characterized in that under the drive of first belt pulley in second belt pulley between first belt pulley and second belt pulley: the press-fitting equipment of the belt transmission power device comprises a bottom base, an upper movable plate capable of moving up and down, a first belt pulley placing seat capable of placing a first belt pulley, a second belt pulley placing seat capable of placing a second belt pulley, a first press-down mechanism corresponding to the first belt pulley placing seat and a second press-down mechanism corresponding to the second belt pulley placing seat, wherein the bottom base is positioned below the upper movable plate and is opposite to the upper movable plate in an up-and-down interval manner, the first belt pulley placing seat and the second belt pulley placing seat are arranged on the bottom base, the first press-down mechanism and the second press-down mechanism are arranged on the upper movable plate, and the first press-down mechanism and the second press-down mechanism can synchronously move up and down along with the upper movable plate; the second belt pulley placing seat is provided with a first position and a second position, the first position is opposite to the second belt pulley placing seat, the second belt pulley placing seat can transversely move between the first position and the second position relative to the first belt pulley placing seat, and the horizontal distance between the second belt pulley placing seat and the first belt pulley placing seat when the second belt pulley placing seat is at the first position is smaller than the horizontal distance between the second belt pulley placing seat and the first belt pulley placing seat when the second belt pulley placing seat is at the second position; the second belt pulley is placed the seat and remove the in-process from the primary importance to the second place for first belt pulley, lays the first belt pulley that the seat was placed to first belt pulley and lays the horizontal interval between the second belt pulley that the seat was placed to the second belt pulley and increase gradually.
2. A press-fitting apparatus of a belt-driven power unit as set forth in claim 1, wherein: the first pressing mechanism is provided with a first ejecting core which is used for downwards abutting against a rotating shaft of the motor, and the first ejecting core is directly or indirectly fixed on the upper movable plate.
3. A press-fitting apparatus of a belt-driven power unit as set forth in claim 2, wherein: the first downward pressing mechanism is also provided with a top core mounting seat corresponding to the first top core, the top core mounting seat is fixed on the upper movable plate, the top core mounting seat is provided with a containing hole, the first top core is arranged in the containing hole, and the inner wall of the containing hole is provided with internal threads so as to be in threaded connection with the external threads on the first top core; the upper end of the rotating shaft of the motor may be inserted into a portion of the receiving hole located below the first top core to be pushed up by the first top core.
4. A press-fitting apparatus of a belt-driven power unit as set forth in claim 2, wherein: the first downward pressing mechanism is also provided with a top core mounting seat corresponding to the first top core, the first top core is fixedly mounted on the top core mounting seat, the upper movable plate is provided with a first mounting through hole corresponding to the top core mounting seat and a second mounting through hole corresponding to the second downward pressing mechanism, the top core mounting seat is fixedly locked on the upper movable plate and at least partially accommodated in the first mounting through hole, the second downward pressing mechanism is fixedly locked on the upper movable plate and at least partially accommodated in the second mounting through hole, the pressure-bearing cover plate is fixedly locked on the upper movable plate, and the first mounting through hole and the second mounting through hole are both covered by the pressure-bearing cover plate; the upper movable plate and the top core mounting seat are respectively provided with corresponding lock screw holes so that the top core mounting seat can be locked on the upper movable plate through corresponding first screws; the upper movable plate and the second pressing mechanism are respectively provided with corresponding lock screw holes so that the second pressing mechanism can be locked on the upper movable plate through corresponding second screws; the pressure-bearing cover plate is also provided with a first through hole corresponding to the first screw and a second through hole corresponding to the second screw, the first through hole can be penetrated by the first screw, the second through hole can be penetrated by the second screw, the first screw does not exceed the first through hole upwards, and the second screw does not exceed the second through hole upwards.
5. A press-fitting apparatus of a belt-driven power unit as set forth in claim 1, wherein: the bottom base is equipped with main substrate, be fixed in the bed hedgehopping platform of main substrate, the bed hedgehopping platform is located the upside of main substrate, the second belt pulley is placed the seat and is set up on the bed hedgehopping platform and is filled up the bed hedgehopping by bed hedgehopping platform, the second belt pulley is placed the seat and is equipped with first guide part, the bed hedgehopping platform is equipped with and places the second guide part of seat sideslip with guide second belt pulley with the cooperation of first guide part, one of first guide part and second guide part is the spout, another of first guide part and second guide part is the guide rail with spout complex.
6. A press-fitting apparatus of a belt-driven power plant as claimed in claim 5, characterized in that: the second belt pulley placing seat can horizontally move between a first position and a second position relative to the first belt pulley placing seat; the second guide part is a sliding groove, the first guide part is a guide rail matched with the sliding groove, the heightening platform is provided with a main body part and a detachable stop block fixedly arranged on the main body part, the main body part is provided with a containing groove which penetrates through the two opposite sides of the heightening platform in the moving direction of the second belt pulley placing seat, the second belt pulley placing seat part is contained in the containing groove, one part of the containing groove is blocked by the stop block to form the second guide part, and the stop block stops the first guide part at the upper side of the first guide part to prevent the second belt pulley placing seat from upwards separating from the containing groove.
7. A press-fitting apparatus of a belt-driven power plant as claimed in claim 1, characterized in that: the height limiting device is also provided with a plurality of first guide pillars, a plurality of first springs, a plurality of first linear bearings and at least one height limiting pillar for limiting the height of the upper movable plate moving downwards to the right position, the lower ends of the height limiting pillars are fixed on the bottom base, the first guide pillars penetrate through the upper movable plate, the first springs are sleeved on the corresponding first guide pillars, and the lower ends of the first springs are supported on the bottom base; the first linear bearing is fixed on the upper movable plate and sleeved on the corresponding first guide post, and the first spring is positioned between the first linear bearing and the upper movable plate in a compressed state so as to provide upward support for the upper movable plate.
8. A press-fitting apparatus of a belt-driven power unit as set forth in claim 7, wherein: the height limiting column is provided with a detachable adjusting block positioned at the top end of the height limiting column, and the upper movable plate is pressed downwards and moves downwards to the right position to abut against the adjusting block.
9. A press-fitting apparatus of a belt-driven power plant as claimed in claim 1, characterized in that: the second belt pulley placing seat is provided with a base, a plurality of positioning blocks and a second top core, wherein the positioning blocks are positioned on the upper side of the base; the positioning blocks are fixed on the base, a plurality of concave prints corresponding to the positioning blocks and a first pit for placing the second top core are formed on the lower surface of the base in a concave mode, the shape of each concave print is matched with the lower end of the corresponding positioning block, and the lower end of each positioning block is embedded into the corresponding concave print; the belt transmission power device is also provided with a second belt pulley wheel shaft corresponding to the second belt pulley, the second ejection core is used for abutting against the second belt pulley wheel shaft, and the second ejection core is placed in the first pit and fixed on the base.
10. The use method of the press-fitting equipment of the belt transmission power device is characterized in that the press-fitting equipment of the belt transmission power device comprises a bottom base, an upper movable plate capable of moving up and down, a first belt pulley placing seat, a second belt pulley placing seat, a first pressing mechanism corresponding to the first belt pulley placing seat, a second pressing mechanism corresponding to the second belt pulley placing seat, a movable seat capable of moving up and down, a plurality of first guide pillars and a plurality of first springs, wherein the first guide pillars are sleeved on the corresponding first guide pillars, the second belt pulley placing seat is provided with a first position corresponding to the first belt pulley placing seat and a second position corresponding to the first belt pulley placing seat, and when the first belt pulley placing seat and the second belt pulley placing seat are horizontally arranged, the distance between the first belt pulley placing seat and the second belt pulley placing seat is smaller than the distance between the first belt pulley placing seat and the second belt pulley placing seat; in the process that the second belt pulley placing seat moves from the first position to the second position relative to the first belt pulley placing seat, the horizontal distance between the first belt pulley placed on the first belt pulley placing seat and the second belt pulley placed on the second belt pulley placing seat is gradually increased; the using method comprises the following steps:
firstly, placing a first belt pulley on a first belt pulley placing seat and placing a second belt pulley which is fixed with a second belt pulley axle on a second belt pulley placing seat;
secondly, when the second belt pulley placing seat is located at a first position relative to the first belt pulley placing seat, sleeving a belt on the first belt pulley and the second belt pulley, and then moving the second belt pulley placing seat to a second position from the first position relative to the first belt pulley placing seat, so that the belt sleeved on the first belt pulley and the second belt pulley is tensioned;
thirdly, under the condition that the rack, the motor and the wheel bearing are installed together, the rack is abutted against a movable seat, and the movable seat moves downwards along with the rack;
and fourthly, along with downward movement of the upper movable plate, the first pressing mechanism and the second pressing mechanism synchronously move downward, the first pressing mechanism moves downward towards the first belt pulley placing seat and presses the first belt pulley and the rotating shaft of the motor together with the first belt pulley placing seat, and the second pressing mechanism moves downward towards the second belt pulley placing seat and presses the wheel bearing and the wheel shaft of the second belt pulley together with the second belt pulley placing seat.
CN202211078701.8A 2022-07-07 2022-07-07 Press mounting equipment of belt transmission power device and using method thereof Pending CN115256306A (en)

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CN202210792039.6A CN114871726B (en) 2022-07-07 2022-07-07 Press mounting equipment of belt transmission power device and using method thereof

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CN115256306A (en) * 2022-07-07 2022-11-01 苏州欧圣电气股份有限公司 Press mounting equipment of belt transmission power device and using method thereof

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