CN111730314B - Press mounting equipment provided with positioning abnormal movement prevention structure and used for machining - Google Patents
Press mounting equipment provided with positioning abnormal movement prevention structure and used for machining Download PDFInfo
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- CN111730314B CN111730314B CN202010667765.6A CN202010667765A CN111730314B CN 111730314 B CN111730314 B CN 111730314B CN 202010667765 A CN202010667765 A CN 202010667765A CN 111730314 B CN111730314 B CN 111730314B
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- clamping
- pressing plate
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- outer shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention discloses a press mounting device provided with a positioning abnormal movement prevention structure and used for machining, which comprises an outer shell; the top of the outer shell is fixedly connected with a group of hydraulic cylinders; a group of intermediate transmission parts are rotatably connected to the rear part of the inner side of the outer shell; a group of driving sliding parts are connected to the inner side above the outer shell in a sliding manner; a group of rotary pressing plates are rotatably connected above the outer shell; a group of clamping operation pieces are rotatably connected to the inner side of the upper part of the outer shell; three groups of clamping and mounting blocks are arranged on the inner side of the upper part of the outer shell in a circumferential array and are connected in a sliding manner; the inner sides of the clamping installation blocks are connected with a group of clamping blocks through two pairs of adjusting connecting rods; the top of the clamping mounting block is rotatably connected with a group of adjusting bolts. The press-fitting equipment provided with the positioning abnormal movement prevention structure for machining ensures the press-fitting effect, improves the assembling quality, can realize quick adjustment of the clamping diameter by rotating the adjusting bolt, and has the advantages of simple adjustment, convenience in use and higher production efficiency.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a press-fitting device provided with a positioning abnormal movement prevention structure and used for machining.
Background
In the machining process, the interference fit and the tight transition fit are often encountered, and during assembly, a part is generally required to be pressed into another two parts through a press-in machine to complete the assembly action.
For example, patent CN201710058878.4 discloses a press-fitting device, which includes a frame, a supporting portion disposed on the frame and capable of supporting a carrier, and a primary press-fitting mechanism disposed on the frame opposite to one end of the carrier, and including a first driving portion disposed on the frame, and a press-fitting portion with a press head, which is in transmission connection with the first driving portion; the side-pulling wedge mechanism is arranged along with the primary press-in mechanism and comprises a side-pulling driving part fixedly arranged relative to the press-in part and a wedge block connected to the driving end of the side-pulling driving part and slidably inserted into the press-in part, and the wedge block is arranged in a wedging manner with the insertion end of the press head; the secondary back pressure mechanism is arranged right opposite to the other end of the bearing body and comprises a second driving part arranged on the rack and a pushing part in transmission connection with the driving end of the second driving part. The press fitting device can realize the purpose that the two sides of the workpiece are completely flanged after the workpiece is pressed on the supporting part through the working process of positive press fitting and reverse ejection.
Based on the above, the existing press-fitting device is easy to cause relative displacement of workpieces in use, poor assembly quality of the workpieces after press-fitting is caused, workpiece precision is affected, and the workpieces are fixed through a tool, so that operation is troublesome, and working efficiency is low; therefore, the existing requirements are not met, and the press-fitting equipment provided with the positioning abnormal movement prevention structure for machining is provided.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide press-fitting equipment provided with a positioning abnormal-movement-preventing structure for machining, and aims to solve the problems that the conventional press-fitting device in the background art is easy to cause relative displacement of workpieces in use, poor assembly quality of the workpieces after press-fitting is caused, the accuracy of the workpieces is influenced, and the work efficiency is low due to the fact that the workpieces are fixed through a tool and are troublesome to operate.
In order to achieve the purpose, the invention provides a press mounting device provided with a positioning abnormal movement prevention structure for machining, which comprises an outer shell; the top of the outer shell is fixedly connected with a group of hydraulic cylinders; a group of intermediate transmission parts are rotatably connected to the rear part of the inner side of the outer shell; a group of driving sliding pieces are connected to the inner side above the outer shell in a sliding manner; a group of rotary pressing plates are rotatably connected above the outer shell; a group of clamping operation pieces are rotatably connected to the inner side of the upper part of the outer shell; three groups of clamping and mounting blocks are arranged on the inner side of the upper part of the outer shell in a circumferential array and are connected in a sliding manner; the inner sides of the clamping installation blocks are connected with a group of clamping blocks through two pairs of adjusting connecting rods; the top of the clamping mounting block is rotatably connected with a group of adjusting bolts.
In a preferred embodiment, the hydraulic cylinder further comprises a pressing plate driving rack, a group of pressing plate driving racks is fixedly connected to the lower portion of the rear portion of a piston rod of the hydraulic cylinder, the intermediate transmission piece further comprises a pressing plate driven gear, a group of pressing plate driven gears is coaxially and fixedly connected to the right side of the intermediate transmission piece, and the pressing plate driven gears and the pressing plate driving racks are meshed to form a gear-rack transmission mechanism.
In a preferred embodiment, the intermediate transmission member further comprises a pressing plate driving gear, the left side of the intermediate transmission member is coaxially and rotatably connected with a group of pressing plate driving gears, the driving sliding member further comprises a pressing plate driven rack, the rear top of the driving sliding member is fixedly connected with a group of pressing plate driven racks, and the pressing plate driving gear and the pressing plate driven racks are meshed to form the gear-rack transmission mechanism together.
In a preferred embodiment, the driving sliding part further comprises a pressing plate driving rack, the left inner side and the right inner side of the front part of the driving sliding part are fixedly connected with a group of pressing plate driving racks, the rotary pressing plate further comprises a pressing plate driven gear, the bottom of the rotary pressing plate is coaxially and fixedly connected with a group of pressing plate driven gears, and the pressing plate driving racks and the pressing plate driven gears are meshed to form a gear-rack transmission mechanism together.
In a preferred embodiment, the clamping operation part further comprises a clamping guide block, a group of clamping guide blocks are coaxially and fixedly connected to the upper end surface and the lower end surface of the clamping operation part, and the clamping operation part is rotatably connected with the outer shell through the clamping guide blocks.
In a preferred embodiment, the clamping installation block further comprises a driving block guide rod and a driving block return spring, two groups of driving block guide rods are fixedly connected to the outer side of the clamping installation block, each group of driving block guide rods is provided with a group of driving block return springs, and the clamping installation block is slidably connected with the outer shell through the driving block guide rods and is elastically connected through the driving block return springs.
In a preferred embodiment, the clamping operation piece further comprises clamping driving blocks, three groups of clamping driving blocks are arranged on the inner side of the clamping operation piece in a circumferential array mode, the clamping driving blocks are of wedge block structures, the inner side faces of the clamping driving blocks are in contact with the outer side faces of the clamping mounting blocks, and cylindrical surface cam structures are formed between the clamping mounting blocks and the clamping driving blocks.
In a preferred embodiment, the adjusting bolt further comprises an adjusting screw rod, the bottom of the adjusting bolt is coaxially and fixedly connected with a group of adjusting screw rods, and the adjusting screw rods and the adjusting slide blocks are in threaded transmission connection to form a screw rod nut transmission mechanism together.
In a preferred embodiment, the cross-hinge connections between each pair of adjustment links together form a scissors mechanism.
Compared with the prior art, the press mounting equipment provided with the positioning abnormal movement prevention structure for machining has the beneficial effects that:
according to the invention, the gear rack transmission mechanism is adopted to realize linkage in the working process of the hydraulic cylinder so as to realize rotation of the two groups of rotary pressing plates, and the rotary pressing plates are used for pressing the workpiece, so that the workpiece is effectively prevented from sliding in the vertical direction, the press-fitting effect is ensured, and the assembly quality is improved; the cylindrical cam structure is adopted to realize synchronous sliding of the three groups of clamping and mounting blocks, so that the workpiece is fixed, the workpiece is prevented from moving in the horizontal reverse direction, and meanwhile, the operation is simple and the use is convenient; through adopting transmission modes such as screw nut transmission pair and scissors fork mechanism to realize pressing from both sides the slip of tight piece, in use can realize the quick adjustment to pressing from both sides tight diameter through rotatory adjusting bolt, adjusts simply convenient to use.
The workpiece fixing device has the advantages that the workpiece is fixed through synchronous sliding of the three groups of clamping mounting blocks, the workpiece is prevented from moving in the horizontal reverse direction, meanwhile, the operation is simple, the use is convenient, the workpiece is pressed through the hydraulic cylinder linked with the rotary pressing plate, the sliding in the vertical direction is effectively prevented, the press-fitting effect is ensured, the assembly quality is improved, meanwhile, the clamping diameter can be quickly adjusted through rotating the adjusting bolt, the adjusting performance is good, the adjustment is simple, the use is convenient, and the production efficiency is higher.
Drawings
FIG. 1 is a schematic axial side view of a press-fitting device with a positioning anti-abnormal movement structure for machining according to the present invention;
FIG. 2 is a schematic side view of the drive shaft of the present invention;
FIG. 3 is a schematic side view of the drive slider shaft of the present invention;
FIG. 4 is a schematic view of the side structure of the transmission shaft of the rotary platen according to the present invention;
FIG. 5 is a schematic view of the side structure of the transmission shaft of the clamping mounting block of the present invention;
FIG. 6 is a schematic axial side view of the clamp mounting block of the present invention;
FIG. 7 is a schematic side view of the clamping block drive shaft of the present invention;
FIG. 8 is a schematic isometric cross-sectional view of a clamp operator of the present invention;
description of reference numerals: 1. an outer housing; 2. a hydraulic cylinder; 201. the pressing plate drives the rack; 3. an intermediate transmission member; 301. a pressure plate driven gear; 302. a pressure plate driving gear; 4. driving the slider; 401. the pressing plate drives the rack; 402. a pressure plate driven rack; 5. rotating the pressing plate; 501. a platen driven gear; 6. a clamping operation member; 601. clamping the driving block; 602. clamping the guide block; 7. clamping the mounting block; 701. a drive block guide rod; 702. a drive block return spring; 8. adjusting the bolt; 801. adjusting the lead screw; 9. adjusting the sliding block; 10. adjusting the connecting rod; 11. and (5) clamping the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1 to 8, the press-fitting device provided with the positioning anti-abnormal-movement structure for machining provided by the invention comprises an outer shell 1; the top of the outer shell 1 is fixedly connected with a group of hydraulic cylinders 2; a group of intermediate transmission parts 3 are rotatably connected to the rear part of the inner side of the outer shell 1; a group of driving sliding parts 4 are connected to the inner side above the outer shell 1 in a sliding manner; a group of rotary pressing plates 5 are rotatably connected above the outer shell 1; a group of clamping operation pieces 6 are rotatably connected to the inner side of the upper part of the outer shell 1; three groups of clamping and mounting blocks 7 are arranged on the inner side of the upper part of the outer shell 1 in a circumferential array and are connected in a sliding manner; the inner side of the clamping installation block 7 is connected with a group of clamping blocks 11 through two pairs of adjusting connecting rods 10; the top of the clamping and mounting block 7 is rotatably connected with a group of adjusting bolts 8.
In a preferred embodiment, the hydraulic cylinder 2 further comprises a pressing plate driving rack 201, a group of pressing plate driving racks 201 is fixedly connected to the lower portion of the rear portion of a piston rod of the hydraulic cylinder 2, the intermediate transmission member 3 further comprises a pressing plate driven gear 301, a group of pressing plate driven gears 301 are coaxially and fixedly connected to the right side of the intermediate transmission member 3, the pressing plate driven gears 301 and the pressing plate driving racks 201 are meshed to form a gear-rack transmission mechanism, and when the piston of the hydraulic cylinder 2 slides up and down in use, the hydraulic cylinder 2 drives the intermediate transmission member 3 to rotate through the gear-rack transmission mechanism formed by the pressing plate driven gears 301 and the pressing plate driving racks 201 in a meshed mode.
In a preferred embodiment, the intermediate transmission member 3 further includes a pressing plate driving gear 302, the left side of the intermediate transmission member 3 is coaxially and rotatably connected with a set of pressing plate driving gears 302, the driving sliding member 4 further includes a pressing plate driven rack 402, the rear top of the driving sliding member 4 is fixedly connected with a set of pressing plate driven rack 402, the pressing plate driving gear 302 and the pressing plate driven rack 402 are engaged to form a rack-and-pinion transmission mechanism, and when the intermediate transmission member 3 rotates in use, the intermediate transmission member 3 drives the driving sliding member 4 to slide back and forth through the rack-and-pinion transmission mechanism formed by the engagement of the pressing plate driving gear 302 and the pressing plate driven rack 402.
In a preferred embodiment, the driving sliding member 4 further includes a pressing plate driving rack 401, a group of pressing plate driving racks 401 is fixedly connected to the left inner side and the right inner side of the front portion of the driving sliding member 4, the rotary pressing plate 5 further includes a pressing plate driven gear 501, a group of pressing plate driven gears 501 are coaxially and fixedly connected to the bottom of the rotary pressing plate 5, the pressing plate driving racks 401 and the pressing plate driven gears 501 are meshed to form a gear-rack transmission mechanism together, when the driving sliding member 4 slides back and forth in use, the driving sliding member 4 drives two groups of simultaneously-rotating pressing plates 5 to rotate ninety degrees through the gear-rack transmission mechanism formed by meshing the pressing plate driving racks 401 and the pressing plate driven gears 501 together, and the workpiece is pressed through the two groups of rotary pressing plates 5, so that the workpiece is prevented from moving in the up-down direction.
In a preferred embodiment, the clamping operation member 6 further includes a clamping guide block 602, a set of clamping guide blocks 602 is coaxially and fixedly connected to both the upper and lower end surfaces of the clamping operation member 6, and the clamping operation member 6 is rotatably connected to the outer housing 1 through the clamping guide blocks 602.
In a preferred embodiment, the clamping operation member 6 further includes clamping driving blocks 601, three groups of clamping driving blocks 601 are arranged in an array manner on the inner side circumference of the clamping operation member 6, the clamping driving blocks 601 are of wedge structures, the inner side surfaces of the clamping driving blocks 601 are in contact with the outer side surfaces of the clamping mounting blocks 7, cylindrical surface cam structures are formed between the clamping mounting blocks 7 and the clamping driving blocks 601 together, and when the clamping operation member 6 rotates in use, the clamping operation member 6 drives the three groups of clamping mounting blocks 7 to slide inwards at the same time through the cylindrical surface cam structures, so that a clamping action on a workpiece is realized.
In a preferred embodiment, the clamping and mounting block 7 further comprises a driving block guide rod 701 and a driving block return spring 702, two sets of driving block guide rods 701 are fixedly connected to the outer side of the clamping and mounting block 7, a set of driving block return spring 702 is arranged on each set of driving block guide rods 701, the clamping and mounting block 7 is slidably connected with the outer shell 1 through the driving block guide rods 701 and is elastically connected through the driving block return springs 702, and the clamping and mounting block 7 is guided through the driving block guide rods 701 in use.
In a preferred embodiment, the adjusting bolt 8 further includes an adjusting screw 801, the bottom of the adjusting bolt 8 is coaxially and fixedly connected with a set of adjusting screws 801, the adjusting screws 801 and the adjusting slide block 9 are in threaded transmission connection to form a screw nut transmission mechanism, and when the adjusting bolt 8 is rotated in use, the adjusting bolt 8 drives the adjusting slide block 9 to slide up and down through the screw nut transmission mechanism formed by the adjusting screws 801 and the adjusting slide block 9 in threaded transmission connection.
In a preferred embodiment, the cross hinge connection between each pair of adjusting connecting rods 10 jointly forms a scissors mechanism, when the adjusting slide block 9 slides up and down in use, the adjusting slide block 9 drives the scissors mechanism formed by the cross hinge connection of the adjusting connecting rods 10 to deform so as to drive the clamping block 11 to slide, and the position of the clamping block 11 is adjusted, so that the clamping diameter of the clamping block 11 is adjusted.
The working principle of the press-mounting equipment provided with the positioning abnormal movement prevention structure for machining is as follows: when the clamping device is used, a workpiece is placed at the top of the outer shell 1, the clamping operation piece 6 is operated, the clamping operation piece 6 rotates, and the clamping operation piece 6 drives the three groups of clamping installation blocks 7 to slide inwards through the cylindrical surface cam structure, so that the clamping action on the workpiece is realized; when the press-in assembling device works, the hydraulic cylinder 2 drives a piston rod to slide downwards, the hydraulic cylinder 2 drives the intermediate transmission piece 3 to rotate through a gear-rack transmission mechanism formed by meshing the pressing plate driven gear 301 and the pressing plate driving rack 201, the intermediate transmission piece 3 drives the driving sliding piece 4 to slide back and forth through a gear-rack transmission mechanism formed by meshing the pressing plate driving gear 302 and the pressing plate driven gear 402, the driving sliding piece 4 drives two groups of simultaneous rotating pressing plates 5 to rotate for ninety degrees through the gear-rack transmission mechanism formed by meshing the pressing plate driving rack 401 and the pressing plate driven gear 501, the workpiece is pressed tightly through the two groups of rotating pressing plates 5, the workpiece is prevented from moving in the vertical direction, the workpiece is well positioned, and the hydraulic cylinder 2 continues to move to complete press-in assembling; when the clamping diameter needs to be adjusted, the adjusting bolt 8 drives the adjusting slide block 9 to slide up and down through a screw nut transmission mechanism formed by the threaded transmission connection of the adjusting screw 801 and the adjusting slide block 9, the adjusting slide block 9 drives the scissors mechanism formed by the cross hinge connection of the adjusting connecting rods 10 to deform and drive the clamping block 11 to slide, the position of the clamping block 11 is adjusted, and the clamping diameter of the clamping block 11 is adjusted.
In conclusion, the two groups of rotary pressing plates are linked to rotate in the working process of the hydraulic cylinder by adopting the gear rack transmission mechanism, and the workpiece is pressed tightly by the rotary pressing plates, so that the sliding in the vertical direction is effectively prevented, the press-fitting effect is ensured, and the assembling quality is improved; the cylindrical cam structure is adopted to realize synchronous sliding of the three groups of clamping and mounting blocks, so that the workpiece is fixed, the workpiece is prevented from moving in the horizontal reverse direction, and meanwhile, the operation is simple and the use is convenient; the sliding of the clamping block is realized by adopting the transmission modes of the screw nut transmission pair, the shearing fork mechanism and the like, the quick adjustment of the clamping diameter can be realized by rotating the adjusting bolt in use, the adjustment is simple, and the use is convenient. The workpiece fixing device has the advantages that the workpiece is fixed by synchronous sliding of the three groups of clamping mounting blocks, the workpiece is prevented from moving in the horizontal direction and the reverse direction, the operation is simple, the use is convenient, the workpiece is pressed by the hydraulic cylinder in a linkage manner, the sliding in the vertical direction is effectively prevented, the press-fitting effect is ensured, the assembly quality is improved, meanwhile, the clamping diameter can be quickly adjusted by rotating the adjusting bolt, the adjusting performance is good, the adjustment is simple, the use is convenient, and the production efficiency is higher.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The utility model provides a machining is with pressure equipment that installs location and prevent abnormal moving structure which characterized in that: the hydraulic cylinder is characterized by comprising an outer shell (1), wherein the length of the outer shell is 20-30cm, the top of the outer shell (1) is fixedly connected with a group of hydraulic cylinders (2), and the rear part of the inner side of the outer shell (1) is rotatably connected with a group of intermediate transmission members (3); a group of driving sliding parts (4) are connected to the inner side above the outer shell (1) in a sliding manner; a group of rotary pressing plates (5) are rotatably connected above the outer shell (1); the inner side of the upper part of the outer shell (1) is rotatably connected with a group of clamping operation pieces (6); three groups of clamping and mounting blocks (7) are arranged on the inner side of the upper part of the outer shell (1) in a circumferential array and are connected in a sliding manner; the inner side of the clamping installation block (7) is connected with a group of clamping blocks (11) through two pairs of adjusting connecting rods (10); the top of the clamping mounting block (7) is rotationally connected with a group of adjusting bolts (8),
the hydraulic cylinder (2) further comprises a pressing plate driving rack (201), a group of pressing plate driving racks (201) is fixedly connected below the rear part of a piston rod of the hydraulic cylinder (2), the intermediate transmission piece (3) further comprises a pressing plate driven gear (301), a group of pressing plate driven gears (301) are coaxially and fixedly connected to the right side of the intermediate transmission piece (3), and the pressing plate driven gears (301) and the pressing plate driving racks (201) are meshed to form a gear-rack transmission mechanism together,
the middle transmission piece (3) further comprises a pressing plate driving gear (302), the left side of the middle transmission piece (3) is coaxially and rotatably connected with a group of pressing plate driving gears (302), the driving sliding piece (4) further comprises a pressing plate driven rack (402), the rear top of the driving sliding piece (4) is fixedly connected with a group of pressing plate driven racks (402), and the pressing plate driving gears (302) and the pressing plate driven racks (402) are meshed to form a gear-rack transmission mechanism together,
the driving sliding part (4) further comprises a pressing plate driving rack (401), the left inner side and the right inner side of the front part of the driving sliding part (4) are fixedly connected with a group of pressing plate driving racks (401), the rotary pressing plate (5) further comprises a pressing plate driven gear (501), the bottom of the rotary pressing plate (5) is coaxially and fixedly connected with a group of pressing plate driven gears (501), and the pressing plate driving racks (401) and the pressing plate driven gears (501) are meshed to form a gear-rack transmission mechanism together,
the clamping operation part (6) further comprises a clamping guide block (602), the upper end surface and the lower end surface of the clamping operation part (6) are coaxially and fixedly connected with a group of clamping guide blocks (602), the clamping operation part (6) is rotatably connected with the outer shell (1) through the clamping guide blocks (602),
the clamping mounting block (7) further comprises a driving block guide rod (701) and a driving block reset spring (702), two groups of driving block guide rods (701) are fixedly connected to the outer side of the clamping mounting block (7), each group of driving block guide rods (701) is provided with a group of driving block reset springs (702), the clamping mounting block (7) is in sliding connection with the outer shell (1) through the driving block guide rods (701) and is in elastic connection through the driving block reset springs (702),
the clamping operation piece (6) further comprises clamping driving blocks (601), three groups of clamping driving blocks (601) are arranged on the inner side of the clamping operation piece (6) in a circumferential array mode, the clamping driving blocks (601) are of wedge block structures, the inner side faces of the clamping driving blocks (601) are in contact with the outer side faces of the clamping mounting blocks (7), and cylindrical surface cam structures are formed between the clamping mounting blocks (7) and the clamping driving blocks (601) together,
the adjusting bolt (8) also comprises an adjusting lead screw (801), the bottom of the adjusting bolt (8) is coaxially and fixedly connected with a group of adjusting lead screws (801), the adjusting lead screws (801) are in threaded transmission connection with the adjusting slide block (9) to form a lead screw nut transmission mechanism together,
each pair of the adjusting connecting rods (10) are connected by a cross hinge to form a scissors mechanism,
a workpiece is placed on the top of the outer shell, a clamping operation piece is operated, the clamping operation piece rotates, and the clamping operation piece drives the three groups of clamping installation blocks to slide inwards at the same time through the cylindrical surface cam structure, so that the clamping action on the workpiece is realized; when the hydraulic press works, the hydraulic cylinder drives the piston rod to slide downwards, the hydraulic cylinder drives the intermediate transmission piece to rotate through a gear-rack transmission mechanism which is formed by meshing a pressing plate driven gear and a pressing plate driving rack together, the intermediate transmission piece drives the driving sliding piece to slide back and forth through a gear-rack transmission mechanism which is formed by meshing a pressing plate driving gear and a pressing plate driven rack together, the driving sliding piece drives two groups of simultaneously rotating pressing plates to rotate for ninety degrees through the gear-rack transmission mechanism which is formed by meshing a pressing plate driving rack and a pressing plate driven gear together, the workpiece is pressed tightly through the two groups of rotating pressing plates, the workpiece is prevented from moving in the vertical direction, the workpiece is well positioned, and the hydraulic cylinder continues to act to complete press-in assembly; when the clamping diameter needs to be adjusted, the adjusting bolt drives the adjusting slide block to slide up and down through a screw nut transmission mechanism which is formed by the threaded transmission connection of the adjusting screw rod and the adjusting slide block, the adjusting slide block drives the scissor fork mechanism which is formed by the threaded connection of the adjusting connecting rod and the adjusting slide block to deform and drive the clamping block to slide, the position of the clamping block is adjusted, and the adjustment of the clamping diameter of the clamping block is realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667765.6A CN111730314B (en) | 2020-07-13 | 2020-07-13 | Press mounting equipment provided with positioning abnormal movement prevention structure and used for machining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010667765.6A CN111730314B (en) | 2020-07-13 | 2020-07-13 | Press mounting equipment provided with positioning abnormal movement prevention structure and used for machining |
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| CN111730314A CN111730314A (en) | 2020-10-02 |
| CN111730314B true CN111730314B (en) | 2022-07-12 |
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| CN113086744A (en) * | 2021-04-03 | 2021-07-09 | 张祖传 | Laying device for optical cable |
| CN114505826A (en) * | 2022-03-11 | 2022-05-17 | 安徽理工大学 | Drive motor component positioning and assembling device and assembling method thereof |
| CN115319310B (en) * | 2022-10-13 | 2023-01-13 | 山东凯斯锐智能装备有限公司 | Laser cutting machine convenient to tubular product cutting |
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| IT1099332B (en) * | 1978-09-21 | 1985-09-18 | Ligure Tubettificio | DEVICE FOR LOCKING JARS AND OTHER CYLINDRICAL BODIES |
| CN200988106Y (en) * | 2006-12-15 | 2007-12-12 | 河南省中原内配股份有限公司 | Automatic centering clamp for double shaft boring machine |
| CN202742065U (en) * | 2012-07-24 | 2013-02-20 | 湖北三江航天万山特种车辆有限公司 | Cross shaft end face gear milling positioning device |
| CN108381216A (en) * | 2018-01-16 | 2018-08-10 | 佛山杰致信息科技有限公司 | A kind of mechanical arm production clamping device |
| CN210060482U (en) * | 2019-06-01 | 2020-02-14 | 南通冠坤数控机床有限公司 | Clamp for machine manufacturing |
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