CN113752004A - Bolt assembling mechanism for bolt assembling production line - Google Patents
Bolt assembling mechanism for bolt assembling production line Download PDFInfo
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- CN113752004A CN113752004A CN202111037917.5A CN202111037917A CN113752004A CN 113752004 A CN113752004 A CN 113752004A CN 202111037917 A CN202111037917 A CN 202111037917A CN 113752004 A CN113752004 A CN 113752004A
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- bolt
- screwing
- shaft
- rotating shaft
- moving
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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
- B23P19/04—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 assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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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
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Abstract
The invention relates to the technical field of bolt assembly, and provides a screwing mechanism of a bolt assembly production line, which is used for screwing a bolt. Through above-mentioned technical scheme, the problem that the screw thread was destroyed when the nut was screwed into to the bolt among the prior art has been solved.
Description
Technical Field
The invention relates to the technical field of bolt assembly, in particular to a bolt assembly mechanism of a bolt assembly production line.
Background
An automatic screw assembling machine is equipment which is frequently needed to be used in an automatic production process. The application is quite extensive. Generally, related equipment design and manufacture are carried out by professional companies. The automatic screw assembling machine is also called automatic screw locking machine, industrial screwing system, etc. and is one automatic device with automatic mechanism to replace hand to take, place and screw. In the prior art, generally, the hand grip is used for directly gripping a bolt or a screw for screwing and assembling, so that the situation that the bolt, the screw and a nut are not aligned and the hand grip is screwed to damage threads easily occurs.
Disclosure of Invention
The invention provides a bolt assembling mechanism for a bolt assembling production line, which solves the problem that threads are damaged when a nut is screwed into a bolt in the related technology.
The technical scheme of the invention is as follows:
a screwing mechanism of a bolt assembling production line is used for screwing a bolt and comprises,
a machine frame, a plurality of guide rails and a plurality of guide rails,
a shaft sleeve which is rotatably arranged on the frame,
a screwing rotating shaft which is movably arranged on the shaft sleeve and rotates along with the shaft sleeve, the moving direction of the screwing rotating shaft is along the axial direction of the screwing rotating shaft,
the grabbing unit is arranged on the shaft sleeve or the frame and is provided with a plurality of grabs which are arranged along the circumferential direction of the screwing rotating shaft,
and the friction block is arranged at the end part of the screwing rotating shaft, is positioned between the grippers and is used for screwing the bolt in a friction manner.
As a further technical solution, it also includes,
the gyro wheel rotates and sets up it is in to revolve to twist to follow in the pivot revolve to twist to revolve to twist the pivot and remove, be located the clutch blocks top, its rotation axial perpendicular to revolve to twist the pivot axial, the gyro wheel has a plurality of, and every the gyro wheel all with one tongs friction butt is used for driving the tongs closes.
As a further technical scheme, the hand grips are rotatably arranged on the shaft sleeve, the rotating axial direction of the hand grips is perpendicular to the axial direction of the screwing rotating shaft, and when the roller moves, the hand grips are pushed to approach each other.
As a further technical scheme, the grippers are movably arranged on the shaft sleeve, the moving direction of the grippers is perpendicular to the axial direction of the screwing rotating shaft, and when the roller moves, the grippers are pushed to be away from each other.
As a further technical solution, it also includes,
the elastic piece is arranged between every two adjacent hand grips and used for providing the force for the hand grips to be away from each other.
As a further technical solution, it also includes,
an upper synchronizing wheel arranged on the shaft sleeve and positioned above the roller,
a lower synchronizing wheel arranged on the shaft sleeve and positioned between the upper synchronizing wheel and the roller,
the upper synchronizing wheel and the lower synchronizing wheel are used for driving the screwing rotating shaft to rotate.
As a further technical solution, it also includes,
a shaft transition sleeve, on which the screwing rotating shaft is rotatably arranged,
a floating joint disposed on the shaft transition sleeve,
and the first linear driving piece is arranged on the rack and drives the floating joint to move.
As a further technical proposal, the bolt assembling line comprises a plurality of screwing mechanisms which are uniformly arranged along the transverse direction and also comprises,
a plurality of synchronous belts, wherein the adjacent upper synchronous wheels and the adjacent lower synchronous wheels are in transmission connection through the synchronous belts,
the protective cover is arranged on the rack in a lifting manner, the screwing mechanism of the bolt assembling production line is arranged on the rack through the protective cover, the first linear driving piece is positioned on the upper side of the protective cover, the grabbing unit is positioned on the lower side of the protective cover,
and the rotary driving part is arranged on the rack and drives the upper synchronizing wheel or the lower synchronizing wheel to rotate.
As a further technical solution, it also includes,
a base seat is arranged on the base seat,
the first support is movably arranged on the base,
a second support, wherein the first support is arranged on the second support in a lifting manner, the rack is arranged on the second support,
a second linear driving part arranged on the base and used for driving the first support to move,
and the linear driving piece III is arranged on the first support and drives the second support to lift.
Based on the screwing mechanism of the bolt assembling production line, the inventor also provides a bolt assembling method of the bolt assembling production line, which comprises the following steps:
s1, feeding, jacking a row of bolts and supplying a row of nuts;
s2, moving forwards, and moving the hand grab forwards to align with the bolt below;
s3, downwards moving the gripper to grip the nut of the bolt downwards, and enabling the nut to be in contact with the friction block;
s4, moving upwards, and moving the hand grip back to the previous position;
s5, moving backwards, wherein the hand grip moves backwards to be aligned with the nut below;
s6, screwing downwards, aligning the bolt downwards to the nut below, and screwing the bolt by the friction block in a rotating mode;
and S7, returning, and moving the hand grip back to the initial position.
The working principle and the beneficial effects of the invention are as follows:
in order to solve the problem that threads are damaged when a nut is screwed in a bolt, the inventor designs a friction block, the surface of the friction block is in friction contact with a nut of the bolt, the bolt is screwed by using friction force between the friction block and the nut, the nut of the bolt is generally directly grabbed by a gripper in the prior art to rotate, and the matched threads are damaged when a screw rod of the bolt is continuously screwed when the screw rod of the bolt is not aligned with the nut The bolt and nut screwing device is realized by arranging a key and a key groove on a screwing rotating shaft, then installing a grabbing unit which can be installed on a frame or a shaft sleeve, wherein the grabbing unit is provided with a plurality of grippers which wind the screwing rotating shaft for a circle and can grab a bolt, then installing a friction block at the tail end of the screwing rotating shaft and can be in threaded connection, the position of the friction block is positioned between the grippers, when the grippers grab the bolt, the friction block clings to the upper surface of a bolt and a nut, after the grippers place the bolt on an installation station of the nut, the screwing rotating shaft rotates to drive the friction block to rotate, the friction block drives the bolt to rotate through static friction force between the friction block and the nut, the bolt is also screwed into the nut, when the static friction force between the friction block and the nut of the bolt is not enough to drive the bolt to be screwed, the friction block and the nut slide relatively, so that the bolt and the nut are assembled, and under the condition that the bolt and the nut are not aligned, the friction block can prevent the thread from being forcibly damaged even if the friction block is rotated. Compared with the existing bolt clamping screwing mode, the thread cannot be damaged due to overlarge screwing force, the separation operation of the clamping piece and the bolt is not needed, the separation operation is completed while screwing is completed, the design can eliminate the problem that the thread is damaged when the bolt is forcibly screwed, the separation operation is completed while screwing is completed, automatic bolt assembly is realized, and the assembly efficiency is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a bolt assembling mechanism of a bolt assembling line according to the present invention;
FIG. 2 is a schematic structural view of a partially enlarged view B of the bolt assembling mechanism of the bolt assembling production line of the present invention;
FIG. 3 is a schematic cross-sectional view of a screwing mechanism of a bolt assembling mechanism in a bolt assembling line according to the present invention;
FIG. 4 is a schematic view of an angle perspective structure of a bolt assembling mechanism of the bolt assembling line of the present invention;
FIG. 5 is a schematic view of another angle perspective structure of the bolt assembling mechanism of the bolt assembling line of the present invention.
In the figure: 1-bolt, 2-frame, 3-shaft sleeve, 4-screwing rotating shaft, 5-grabbing unit, 501-grabbing hand, 6-friction block, 7-roller, 8-elastic piece, 9-upper synchronizing wheel, 10-lower synchronizing wheel, 11-shaft transition sleeve, 12-floating joint, 13-linear driving piece I, 14-synchronous belt, 15-protective cover, 16-base, 17-support I, 18-support II, 19-linear driving piece II, 20-linear driving piece III and 21-rotation driving piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 5, the present embodiment proposes
A screwing mechanism of a bolt assembling production line is used for screwing a bolt 1 and comprises,
the frame 2 is provided with a plurality of supporting frames,
a shaft sleeve 3 which is rotatably arranged on the frame 2,
a screwing rotating shaft 4 which is movably arranged on the shaft sleeve 3 and rotates along with the shaft sleeve, the moving direction of the screwing rotating shaft is along the axial direction of the shaft sleeve,
a grabbing unit 5 arranged on the shaft sleeve 3 or the frame 2 and provided with a plurality of grabs 501 arranged along the circumferential direction of the screwing rotating shaft 4,
and the friction block 6 is arranged at the end part of the screwing rotating shaft 4, is positioned between the hand grips 501 and is used for frictionally screwing the bolt 1.
In the embodiment, in order to solve the problem that the thread of the bolt 1 is damaged when the nut is screwed in, the inventor designs the friction block 6, the surface of the friction block 6 is in friction contact with the nut of the bolt 1, and the bolt 1 is screwed by using the friction force between the friction block and the nut, in the prior art, the nut of the bolt 1 is usually directly gripped by the gripper 501 to rotate, when the screw rod of the bolt 1 is not aligned with the nut, the matched thread is damaged by continuous screwing of the bolt 1, and in this way, the problem that the thread is damaged when the bolt 1 and the nut are screwed in misalignment or other conditions is effectively solved, and the design is that a rotating shaft, namely a screwing rotating shaft 4, is installed on the rack 2, the screwing rotating shaft 4 can rotate relative to the rack 2 and can also move relative to the rack 2, the moving direction of the screwing shaft is along the rotating shaft, and then a shaft sleeve 3 is installed on the screwing rotating shaft 4, the shaft sleeve 3 only rotates with the rotary screwing shaft 4, and can be realized by arranging keys and key slots on the shaft sleeve 3 and the rotary screwing shaft 4, and then arranging a grabbing unit 5 which can be arranged on the frame 2 and also can be arranged on the shaft sleeve 3, wherein the grabbing unit 5 is provided with a plurality of grabs 501 which wind the rotary screwing shaft 4 for a circle, and can realize the grabbing work of the bolt 1, then arranging the friction block 6 at the tail end of the rotary screwing shaft 4 and can be connected by screw threads, the position of the friction block 6 is positioned between the grabs 501, when the grabs 501 grab the bolt 1, the friction block 6 sticks to the upper surface of the nut of the bolt 1, after the bolt 1 is placed on the mounting station of the nut by the grabs 501, the rotary screwing shaft 4 rotates to drive the friction block 6 to rotate, the friction block 6 can drive the bolt 1 to rotate by the static friction force between the friction block 6 and the nut, the bolt 1 can be screwed into the nut, when the static friction force between the friction block 6 and the nut of the bolt 1 is not enough to drive the bolt 1 to screw tightly, the two parts will slide relative to each other to complete the nut assembly of the bolt 1, so that the friction block 6 can avoid the forced damage of the thread even if the bolt 1 is rotated in case of misaligned nut. Compared with the existing bolt 1 clamping screwing mode, the thread cannot be damaged due to overlarge screwing force, the separation operation of the clamping piece and the bolt 1 is not required, the separation operation is completed while screwing is completed, the design can solve the problem that the thread is damaged when the bolt 1 is forcibly screwed, the separation operation is completed while screwing is completed, automatic bolt 1 assembly is achieved, and assembly efficiency is improved.
Further, the method also comprises the following steps of,
the gyro wheel 7, it revolves to set up and revolves the pivot 4 and move along revolving on revolving the pivot 4, is located the clutch blocks 6 top, and its rotation axial is perpendicular to revolves 4 axial of revolving the pivot, and gyro wheel 7 has a plurality of, and every gyro wheel 7 all with a tongs 501 friction butt for it closes to drive tongs 501.
As shown in fig. 1 to fig. 2, in the present embodiment, in order to solve the problem of closing the gripper 501 on the gripping unit 5, the inventor designs the roller 7, the roller 7 is installed on the screwing spindle 4 and is in frictional contact with the inner wall of the gripper 501, taking the case that the gripping unit 5 is installed on the shaft sleeve 3, when the roller 7 moves along with the screwing spindle 4, the gripper 501 is pushed to swing, so as to close the gripper 501, and specifically, the roller 7 and the gripper 501 are in one-to-one correspondence, that is, each roller 7 aligns to one gripper 501 and contacts with the inner wall of the gripper 501, the rotation axis of the roller 7 is perpendicular to the axial direction of the screwing spindle 4, when the roller 7 moves up along with the screwing spindle 4, the gripper 501 is pushed to open, and the gripper 501 is wholly or closed, so that the gripper 501 is well designed to close.
Further, the hand grips 501 are rotatably disposed on the shaft sleeve 3 with their rotational axes perpendicular to the axial direction of the screwing spindle 4, wherein the hand grips 501 are pushed to approach each other when the roller 7 moves.
As shown in fig. 1, the embodiment is an implementation manner of installing the grabbing unit 5, that is, the grabbing unit 5 is installed on the shaft sleeve 3, when the roller 7 moves upwards along with the screwing rotating shaft 4, the upper half part of the grabbing unit upper grabbing hand 501 is pushed, the lower half part of the grabbing hand 501 approaches the screwing rotating shaft 4, that is, the grabbing hand 501 is closed, compared with a manner of controlling the grabbing hand 501 in the prior art, the manner is simpler in structure and more flexible in operation, in addition, the grabbing hand 501 also rotates along with the shaft sleeve 3, so that the roller 7 and the grabbing hand 501 always keep one-to-one correspondence, and a good grabbing function of the grabbing hand 501 is realized.
Further, the hand grips 501 are movably arranged on the shaft sleeve 3, and the moving direction of the hand grips is perpendicular to the axial direction of the screwing rotating shaft 4, wherein when the roller 7 moves, the hand grips 501 are pushed to move away from each other.
As shown in fig. 1, in another embodiment of the installation of the gripping unit 5, the gripping unit 5 may be installed on the frame 2, the grip 501 surrounds the rotation shaft 4, and an inclined surface is designed on the grip 501, and the roller 7 contacts with the inclined surface, so that the grip 501 is pushed away when the roller 7 moves upwards, and the grip 501 is opened, which has a better gripping force compared to the prior art method of controlling the grip 501, and in addition, when the rotation shaft 4 rotates, the roller 7 also rotates, in which case, the grip 501 may be sized to surround the rotation shaft 4, so that the roller 7 still contacts with one grip 501.
Further, the method also comprises the following steps of,
elastic piece 8, every adjacent two grips 501 all are equipped with an elastic piece 8 between, and elastic piece 8 is with providing the power that grips 501 kept away from each other.
As shown in fig. 1 to 2, in this embodiment, in order to better realize opening and closing of the grippers 501, the elastic members 8 are designed between the grippers 501, that is, one elastic member 8 is installed between every two adjacent grippers 501, and the elastic members 8 can be tension springs, so that after the roller 7 finishes pushing the grippers 501, the tension springs will reset the grippers 501 to the initial position by the elastic force, and this design better realizes automatic resetting of the grippers 501, and improves the overall operating efficiency.
Further, the method also comprises the following steps of,
an upper synchronizing wheel 9 arranged on the shaft sleeve 3 and positioned above the roller 7,
a lower synchronizing wheel 10 arranged on the shaft sleeve 3 and positioned between the upper synchronizing wheel 9 and the roller 7,
wherein, the upper synchronizing wheel 9 and the lower synchronizing wheel 10 are used for driving the screwing rotating shaft 4 to rotate.
As shown in fig. 4, in the present embodiment, in order to solve the problem of manual control of rotation of the screwing spindle 4, the inventor designs an upper synchronizing wheel 9 and a lower synchronizing wheel 10 on the screwing spindle 4, specifically, the upper synchronizing wheel 9 and the lower synchronizing wheel 10 are installed on the shaft sleeve 3, when one of the two wheels rotates, the shaft sleeve 3 is driven to rotate, and further the screwing spindle 4 is driven to rotate, and in addition, the two wheels are integrally designed, that is, one of the wheels rotates to drive the whole body to rotate, such a design way on one hand well realizes manual control of rotation of the screwing spindle 4, and on the other hand, synchronous rotation of a plurality of screwing spindles 4 can be realized through the integrated design of the upper synchronizing wheel 9 and the lower synchronizing wheel 10.
Further, the method also comprises the following steps of,
a shaft transition sleeve 11, a screwing rotating shaft 4 is rotationally arranged on the shaft transition sleeve 11,
a floating joint 12 provided on the shaft transition sleeve 11,
and a linear driving piece I13 which is arranged on the machine frame 2 and drives the floating joint 12 to move.
As shown in fig. 3, in the present embodiment, in order to solve the problem that the movement of the screwing spindle 4 is manually controllable, the inventor designs a shaft transition sleeve 11, the shaft transition sleeve 11 is installed at the head end of the screwing spindle 4, that is, the end corresponding to the installation position of the friction block 6, one end of the shaft transition sleeve 11 may be installed with a thrust bearing to realize the relative rotation of the screwing spindle 4 in the shaft transition sleeve 11, the other end of the shaft transition sleeve 11 may receive the thrust to drive the screwing spindle 4 to move integrally, a linear driving device, that is, a linear driving member 13, may be used to increase the linear thrust, the linear driving member 13 may be an air cylinder, and in addition, the inventor also designs a floating joint 12 connected between the air cylinder and the shaft transition sleeve 11, which may realize a buffering function and reduce the damage caused by rigid pushing. The design well realizes the lifting movement of the screwing rotating shaft 4 on one hand, and also plays a role in buffering when external force is applied, thereby reducing the damage of parts caused by rigid connection design.
Further, the inventor also provides a bolt assembling mechanism for a bolt assembling production line, which comprises a screwing mechanism of the bolt assembling mechanism for the bolt assembling production line, a plurality of screwing mechanisms of the bolt 1 assembling mechanism for the bolt 1 assembling production line which are uniformly arranged along the transverse direction, and the bolt assembling mechanism for the bolt assembling production line,
a plurality of synchronous belts 14 are arranged, the adjacent upper synchronous wheels 9 and the adjacent lower synchronous wheels 10 are in transmission connection through the synchronous belts 14,
a protective cover 15 which is arranged on the frame 2 in a lifting way, a screwing mechanism of a bolt 1 assembling mechanism of the bolt 1 assembling production line is arranged on the frame 2 through the protective cover 15, wherein the linear driving piece 13 is positioned on the upper side of the protective cover 15, the grabbing unit 5 is positioned on the lower side of the protective cover 15,
and the rotary driving part 21 is arranged on the frame 2 and drives the upper synchronous wheel 9 or the lower synchronous wheel 10 to rotate.
As shown in fig. 4 to 5, in the present embodiment, in order to improve the efficiency of assembling the bolt 1 as a whole, the inventor designs a plurality of screwing mechanisms to be uniformly arranged along the feeding of the nut, so that the assembling of a plurality of bolts 1 can be realized at one time, and the assembling efficiency is effectively improved, and in addition, a synchronous belt 14 is installed on the upper synchronous wheel 9 and the lower synchronous wheel 10 on the adjacent screwing rotating shafts 4, and the synchronous belt 14 is sequentially connected in an up-and-down transmission manner, because the upper synchronous wheel 9 and the lower synchronous wheel 10 are integrally designed, when one of the upper synchronous wheel 9 and the lower synchronous wheel 10 on the screwing rotating shaft 4 at the end is driven to rotate, the other screwing rotating shafts 4 are driven to synchronously rotate, the power source can be provided by a rotation driving device, i.e. a rotation driving member 21, and the rotation driving member 21 can be provided by a synchronous motor. The design well realizes the synchronous work of the plurality of screwing rotating shafts 4, and further improves the overall working efficiency of the assembly mechanism.
In addition, a protective cover 15 is arranged outside the screwing rotating shafts 4, and the upper synchronizing wheel 9, the lower synchronizing wheel 10, the synchronous belt 14 and the like are covered in the protective cover 15, so that the design effectively avoids pollution of external impurities, and the service life of the whole mechanism is prolonged.
Further, the method also comprises the following steps of,
the base 16 is provided with a plurality of grooves,
a first support 17 movably arranged on the base 16,
a second support 18, the first support 17 is arranged on the second support 18 in a lifting manner, the frame 2 is arranged on the second support 18,
a second linear driving member 19 arranged on the base 16 and driving the first support 17 to move,
and the linear driving part III 20 is arranged on the support I17 and drives the support II 18 to lift.
As shown in fig. 4 to 5, in this embodiment, in order to solve the problem of forward and backward movement and up and down lifting of the grabbing unit 5, the inventor designs a base 16, designs a support, i.e., a first support 17, which can be forward and backward, on the base 16, installs a second support 18, which can be lifted, on the first support 17, and installs the frame 2 on the second support 18, so when the first support 17 and the second support 18 move, the grabbing unit 5 can move forward and backward and up and down lifting can be achieved, and in addition, designs two linear driving members, i.e., a second linear driving member 19 and a third linear driving member 20, to move the first support 17 and lift the second support 18, and the second linear driving member 19 and the third linear driving member 20 can both select cylinders. The design can control the travel distance of the grabbing unit 5 stably and accurately.
The inventor also provides a bolt assembling method for a bolt assembling production line, and a screwing mechanism of the bolt assembling mechanism based on the bolt assembling production line comprises the following steps:
s1, feeding, jacking a row of bolts and supplying a row of nuts;
s2, moving forwards, and moving the hand grip forwards to align with the lower bolt;
s3, moving downwards to grab the nut of the bolt by the gripper, and contacting the nut with the friction block;
s4, moving upwards, and moving the gripper upwards to the previous position;
s5, moving backwards, namely moving backwards the hand grip to align with the lower nut;
s6, downwards moving and screwing, downwards moving the bolt to align with the nut below, and rotating the friction block to screw the bolt tightly;
and S7, returning, and moving the hand grip back to the initial position.
In this embodiment, a method of assembling the bolt 1 is specifically described, in which a row of the grippers 501 is provided above the nut feed line, and at this time, the grippers 501 are located at the initial position, when the bolt 1 is loaded, the hand grip 501 is operated, and first moves forward to a position above the bolt 1, the hand grip 501 is aligned with the corresponding bolt 1, secondly, the frame 2 moves downwards, the hand grip 501 opens, after the friction block 6 contacts the bolt 1 which is a nut, the grip 501 closes the screw portion of the clamping bolt 1 and then the frame 2 is raised and returned, and when returning to the original position, namely, the bolt 1 is positioned above the assembly parts such as the nut, the frame 2 descends, after the bolt 1 is clamped into the assembly station of the nut, the hand grip 501 is loosened, the friction block 6 rotates to screw the bolt 1 into the nut, when the assembly of one set of bolts 1 is completed, the frame 2 is moved upwards to return to the initial position for the assembly of the next set of bolts 1.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A screwing mechanism of a bolt assembling production line is used for screwing a bolt (1) and is characterized by comprising,
a machine frame (2),
a shaft sleeve (3) which is rotatably arranged on the frame (2),
a screwing rotating shaft (4) which is movably arranged on the shaft sleeve (3) and rotates along with the shaft sleeve, the moving direction of the screwing rotating shaft is along the axial direction of the shaft sleeve,
a grabbing unit (5) which is arranged on the shaft sleeve (3) or the frame (2) and is provided with a plurality of grabs (501) which are circumferentially arranged along the screwing rotating shaft (4),
and the friction block (6) is arranged at the end part of the screwing rotating shaft (4), is positioned between the grippers (501) and is used for screwing the bolt (1) in a friction manner.
2. The screwing mechanism of a bolt assembling line according to claim 1, further comprising,
gyro wheel (7), rotate and set up it follows to revolve to twist on pivot (4) revolve wrong pivot (4) and remove, be located clutch blocks (6) top, its rotation axial perpendicular to revolve wrong pivot (4) axial, gyro wheel (7) have a plurality of, and every gyro wheel (7) all with one tongs (501) friction butt is used for driving tongs (501) are closed.
3. The screwing mechanism of the bolt assembling line according to claim 2, wherein the hand grip (501) is rotatably disposed on the shaft sleeve (3) and has a rotation axis perpendicular to the axial direction of the screwing rotating shaft (4), and when the roller (7) moves, the hand grip (501) is pushed to approach each other.
4. The screwing mechanism of the bolt assembling line according to claim 2, wherein the hand grip (501) is movably arranged on the shaft sleeve (3) and moves in a direction perpendicular to the axial direction of the screwing rotating shaft (4), and when the roller (7) moves, the hand grip (501) is pushed away from each other.
5. The screwing mechanism of a bolt assembling line according to claim 3 or 4, further comprising,
the elastic piece (8) is arranged between every two adjacent grippers (501), and the elastic piece (8) is used for providing the force for the grippers (501) to be away from each other.
6. The screwing mechanism of a bolt assembling line according to claim 2, further comprising,
an upper synchronizing wheel (9) arranged on the shaft sleeve (3) and positioned above the roller (7),
a lower synchronizing wheel (10) arranged on the shaft sleeve (3) and positioned between the upper synchronizing wheel (9) and the roller (7),
the upper synchronizing wheel (9) and the lower synchronizing wheel (10) are used for driving the screwing rotating shaft (4) to rotate.
7. The screwing mechanism of a bolt assembling line according to claim 6, further comprising,
a shaft transition sleeve (11), the screwing rotating shaft (4) is rotationally arranged on the shaft transition sleeve (11),
a floating joint (12) provided on the shaft transition sleeve (11),
and the linear driving piece I (13) is arranged on the rack (2) and drives the floating joint (12) to move.
8. A bolt assembling mechanism of a bolt assembling line, comprising the screwing mechanism of the bolt (1) assembling line of claim 7, characterized in that the screwing mechanism of the bolt (1) assembling line is provided with a plurality of screwing mechanisms which are evenly arranged along the transverse direction, and further comprising,
a plurality of synchronous belts (14), wherein the adjacent upper synchronous wheels (9) and the adjacent lower synchronous wheels (10) are in transmission connection through the synchronous belts (14),
the protective cover (15) is arranged on the rack (2) in a lifting mode, the screwing mechanism of the bolt (1) assembling line is arranged on the rack (2) through the protective cover (15), the linear driving piece I (13) is located on the upper side of the protective cover (15), the grabbing unit (5) is located on the lower side of the protective cover (15),
and the rotary driving part (21) is arranged on the rack (2) and drives the upper synchronizing wheel (9) or the lower synchronizing wheel (10) to rotate.
9. The bolt assembling mechanism of claim 8, further comprising,
a base (16) for supporting the movable element,
a first support (17) movably arranged on the base (16),
a second support (18), wherein the first support (17) is arranged on the second support (18) in a lifting manner, the rack (2) is arranged on the second support (18),
a second linear driving part (19) arranged on the base (16) and used for driving the first support (17) to move,
and the linear driving piece III (20) is arranged on the first support seat (17) and drives the second support seat (18) to lift.
10. A bolt assembling method of a bolt assembling line based on the screwing mechanism of the bolt assembling line according to any one of claims 1 to 7, characterized by comprising the following steps:
s1, feeding, jacking a row of bolts and supplying a row of nuts;
s2, moving forwards, and moving the hand grab forwards to align with the bolt below;
s3, downwards moving the gripper to grip the nut of the bolt downwards, and enabling the nut to be in contact with the friction block;
s4, moving upwards, and moving the hand grip back to the previous position;
s5, moving backwards, wherein the hand grip moves backwards to be aligned with the nut below;
s6, screwing downwards, aligning the bolt downwards to the nut below, and screwing the bolt by the friction block in a rotating mode;
and S7, returning, and moving the hand grip back to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037917.5A CN113752004A (en) | 2021-09-06 | 2021-09-06 | Bolt assembling mechanism for bolt assembling production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037917.5A CN113752004A (en) | 2021-09-06 | 2021-09-06 | Bolt assembling mechanism for bolt assembling production line |
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| CN113752004A true CN113752004A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111037917.5A Withdrawn CN113752004A (en) | 2021-09-06 | 2021-09-06 | Bolt assembling mechanism for bolt assembling production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113752004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939851A (en) * | 2022-04-29 | 2022-08-26 | 中广核研究院有限公司 | Bolt screwing device, bolt weight balance control method and bolt dismounting method |
-
2021
- 2021-09-06 CN CN202111037917.5A patent/CN113752004A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939851A (en) * | 2022-04-29 | 2022-08-26 | 中广核研究院有限公司 | Bolt screwing device, bolt weight balance control method and bolt dismounting method |
| CN114939851B (en) * | 2022-04-29 | 2023-06-13 | 中广核研究院有限公司 | Bolt screwing device, bolt weight balance control method and bolt dismounting method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211207 |
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| WW01 | Invention patent application withdrawn after publication |