CN219131362U - Movable bolt rolling strengthening device - Google Patents

Abstract

The utility model belongs to the technical field of bolt rolling reinforcement, and discloses a movable bolt rolling reinforcement device which comprises a chuck with a blanking channel arranged in the middle and a feeding mechanism for conveying bolts to a rolling area; the blanking channel is positioned right below the rolling area; the chuck is also provided with at least two groups of roller assemblies, and the roller assemblies are used for abutting and rolling bolts which are strengthened and fed into the rolling area; the roller assembly comprises at least one group of movable roller assemblies, and the movable roller assemblies are provided with driving mechanisms; after the rolling reinforcement is completed, the driving mechanism drives the movable roller assembly to be far away from the rolling area along the horizontal direction, so that the bolts vertically fall into the blanking channel, and the continuity from blanking to re-feeding is improved.

Description

Movable bolt rolling strengthening device

Technical Field

The utility model belongs to the technical field of bolt rolling reinforcement, and particularly relates to a movable bolt rolling reinforcement device.

Background

The bolt rolling strengthening process is to conduct strengthening rolling by applying forward rolling force to the bolt fillet, so that the fillet at the joint of the head and the rod of the bolt is prevented from generating cracks under the condition of frequent tensile stress.

The utility model provides a current patent CN206662646U discloses an automatic unloading nut rolling system of going up of pneumatic tongs and robot, which comprises a bracket, the supporter, feeding tongs and unloading tongs, the supporter is connected and can revolute the rotation axis with the support, feeding tongs and the axis mutually perpendicular of unloading tongs, and all be provided with grabbing device and drive arrangement, drive arrangement is connected and drives grabbing device and snatch the action, grabbing device includes chuck and jack catch, the chuck sets up on the supporter, the jack catch sets up on the chuck and can be along the centre of a circle of chuck to the circumferencial direction rectilinear motion, snatch the work piece of equidimension.

Although the prior art is used for efficiently grabbing the workpiece through the pneumatic grippers to realize automatic loading and unloading, the process from unloading to reloading is still complex, so that the continuity from unloading to reloading is poor.

Therefore, how to improve the continuity from blanking to re-feeding is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide a movable bolt rolling strengthening device which solves the technical problem that the continuity from blanking to re-feeding is poor in the prior art.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows:

a movable bolt rolling strengthening device comprises a chuck with a blanking channel in the middle and a feeding mechanism for conveying bolts to a rolling area; the blanking channel is positioned right below the rolling area; the chuck is also provided with at least two groups of roller assemblies, and the roller assemblies are used for abutting and rolling bolts which are strengthened and fed into the rolling area; the roller assembly comprises at least one group of movable roller assemblies, and the movable roller assemblies are provided with driving mechanisms; the driving mechanism is used for driving the movable roller assembly to be far away from the rolling area along the horizontal direction after the rolling reinforcement is completed, so that the bolts vertically fall into the blanking channel.

Preferably, the movable roller assembly comprises a claw connecting seat, a swinging mechanism is hinged on the claw connecting seat through a vertically arranged rotating shaft, a roller for abutting against a bolt is arranged on the swinging mechanism, the swinging mechanism is connected with the driving mechanism, and the rotating shaft is positioned at one side of a plane formed by the axis of the bolt and the axis of the roller; the driving mechanism is positioned on the other side of the plane.

Preferably, the rotation axis of the rotating shaft is located at one side of the plane, which is close to the feeding mechanism.

Preferably, the driving mechanism comprises a first driving piece, a connecting rod with the middle part hinged at one end of the first driving piece and a follow-up block fixedly arranged on the swinging mechanism; a sliding groove is formed in the follow-up block; one end of the connecting rod is slidably arranged in the sliding groove, and the other end of the connecting rod is hinged to the claw connecting seat.

Preferably, the two end points of the connecting rod are not collinear with the projection of the axis of the rotating shaft on the horizontal plane.

Preferably, the driving mechanism further comprises a proximity sensor which is fixedly arranged, the sensing end of the proximity sensor faces the connecting rod, and the proximity sensor is connected with an electrical system.

Preferably, the feeding mechanism comprises a mounting plate, a material rail bracket and a material rail; the mounting plate is detachably arranged on the chuck; one end of the material rail bracket is arranged on the mounting plate, and the other end of the material rail bracket is provided with the material rail; the tail end of the material rail is horizontally arranged towards the rolling area.

Preferably, the feeding mechanism further comprises a pushing plate connected with a driving device; the driving device is arranged on the mounting plate; the material pushing plate is used for pushing bolts at the tail end of the material rail to the rolling area through linear movement of the material blocking opening.

Preferably, one end of the pushing plate, which is far away from the clamping opening, is arranged on a pushing plate mounting block, and the pushing plate mounting block is connected with the driving device; the pushing plate mounting block is further provided with a guide shaft, and the guide shaft penetrates through a linear bearing fixedly arranged below the driving device.

Preferably, the roller assembly further comprises a fixed roller assembly, and the roller of the fixed roller assembly is arranged towards the discharge hole of the feeding mechanism and used for abutting the bolt and enabling the bolt to be positioned above the center of the chuck.

The utility model has the following effects: can be after the bolt roll extrusion reinforces, keep away from the bolt through driving the swing mechanism that sets up movable roller assembly on the chuck, make the bolt fall into the unloading passageway that is located the roll extrusion district below through gravity under losing stable support effect, realize improving the unloading to the continuity of reloading.

Drawings

FIG. 1 is a schematic diagram of a specific structure of the present utility model;

FIG. 2 is a schematic diagram of a specific structure of a feeding mechanism according to the present utility model;

FIG. 3 is a schematic view of a specific structure of a movable roller assembly according to the present utility model;

FIG. 4 is a schematic view showing a specific structure of the angle adjusting mechanism of the present utility model;

FIG. 5 is a schematic view of a spindle placement position according to the present utility model;

FIG. 6 is a schematic diagram showing the positional relationship between two ends of the connecting rod and the rotating shaft;

FIG. 7 is a schematic diagram of an embodiment of a novel 2-set roller assembly;

FIG. 8 is a schematic view of an embodiment of a 4-set roller assembly of the present utility model;

reference numerals illustrate:

1. a chuck; 2. a blanking channel;

10. a feeding mechanism; 11. a loading module bottom plate; 12. a mounting plate; 13. a material rail bracket; 14. a material rail beam; 15. a material rail mounting block; 16. a material rail; 17. a second driving piece; 18. a pushing plate mounting block; 19. a pushing plate; 20. a linear bearing; 21. a guide shaft;

100a: a movable roller assembly; 100b: a fixed roller assembly; 101. a claw connecting seat;

200. a swinging mechanism; 201. a swinging block seat; 202. a rotating shaft; 203. a swinging block pin;

300. an angle adjusting mechanism; 301. a swinging block; 302. an angle adjusting block; 303. a threaded hole; 304. a spring;

400. a first driving member; 401. a base; 402. a cylinder tailstock; 403. a cylinder; 404. a cylinder hinge pin;

500. a connecting rod; 501. a follower; 502. a follower block; 503. a chute;

600. a proximity sensor; 601. a sensor holder.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The utility model discloses a movable bolt rolling strengthening device, which comprises a chuck 1, a feeding mechanism 10 and a rolling area, wherein the middle part of the chuck 1 is provided with a blanking channel 2; the chuck 1 is also provided with a plurality of roller assemblies, the number of the roller assemblies is at least two, and the roller assemblies are mainly used for clamping and rolling the reinforced bolts. The roller assemblies comprise at least one group of movable roller assemblies 100a, when the rolling strengthening of the bolts is completed, the movable roller assemblies 100a can rotate along a vertical axis, so that the bolts subjected to the rolling strengthening vertically fall into the blanking channel 2 positioned right below the roller assemblies, and the continuity from blanking to re-feeding is improved.

Specifically, as shown in fig. 1-2, a plurality of groups of roller assemblies are uniformly distributed on the chuck 1 along the circumferential direction of the central axis of the chuck 1, and each roller assembly comprises a roller for contacting with a bolt and realizing rolling. The roller assemblies can move along the radial direction of the chuck 1 and are fixed, and are locked on the chuck 1 when rolling is performed, so that the distance between the rollers of each roller assembly and the central axis of the chuck 1 is the same, and a rolling area for accommodating a bolt to be processed is formed between the rollers.

The roll-strengthening device disclosed herein may further comprise a feeding mechanism 10, wherein the end of the feeding mechanism 10 extends to the roll-pressing zone for conveying the bolt to be processed to the roll-pressing zone. The roller assemblies are abutted against the bolts and are rolled and strengthened, the movable roller assemblies 100a swing in the direction away from the rolling area after rolling and strengthening, and the bolts fall into the blanking channel 2 through gravity under the action of losing stable support.

The feeding mechanism 10 may be movably disposed at one side of the rolling strengthening device as an integral mechanism for achieving the purpose of feeding to the rolling area for automatic processing, and more preferably, the feeding mechanism 10 may be disposed on the chuck 1.

As shown in fig. 2, the feeding mechanism 10 includes a feeding module base plate 11 and a mounting plate 12 disposed on the feeding module base plate 11, and the feeding module base plate 11 is detachably mounted on the chuck 1. The mounting plate 12 is provided with a material rail mechanism and a pushing mechanism, wherein:

the material rail mechanism comprises a material rail bracket 13, one end of the material rail bracket 13 is arranged on the mounting plate 12, and the other end of the material rail bracket is provided with a material rail cross beam 14; a material rail mounting block 15 is arranged below the material rail cross beam 14, a material rail 16 is arranged on the material rail mounting block 15, and the material rail 16 is used for connecting a hopper for feeding. Wherein, most preferably, two left and right stock rail installation blocks 15 are respectively arranged below the stock rail crossbeam 14, two left stock rail and right stock rail are respectively arranged on the left and right stock rail installation blocks 15, the gap between the left and right stock rail pieces is used for enabling the bolt to be processed to be supported on the stock rail 16 and slide along the stock rail 16, and the size of the middle gap can be adjusted by the left and right stock rail in the structure through the stock rail crossbeam 14, so that the bolts with different sizes can be conveniently transported.

The pushing mechanism is specifically a pushing plate 19 connected with a driving device, a clamping opening is formed in one end, facing the rolling position, of the pushing plate 19, the pushing plate 19 is parallel to the tail end, close to the rolling wheel, of the material rail 16, and the pushing plate 19 is used for pushing bolts at the tail end of the material rail 16 to a rolling area through linear movement of the clamping opening. The driving device is specifically a second driving member 17 fixedly arranged on the mounting plate 12, one end of the second driving member 17 facing the rolling position is provided with a pushing plate mounting block 18, and the pushing plate 19 is horizontally arranged on the pushing plate mounting block 18, where the second driving member 17 may be any linear driving mechanism, for example: screw rod mechanisms, eccentric wheel link mechanisms, hydraulic telescopic mechanisms, pneumatic telescopic mechanisms, etc., with pneumatic telescopic mechanisms being most preferred.

The pushing plate mounting block 18 is further provided with a guide shaft 21, the guide shaft 21 penetrates through a linear bearing 20 fixedly arranged below the second driving piece 17, and the guide shaft 21 is parallel to the moving direction of the second driving piece 17 and is used for preventing the pushing plate 19 from overturning.

As shown in fig. 1-2, the roller assembly includes a fixed roller assembly 100b and a movable roller assembly 100a, the fixed roller assembly 100b is used for abutting the bolt sent into the rolling area, so that the bolt is positioned by the roller rim of the fixed roller assembly 100b when being sent into the rolling area by the pushing mechanism, the bolt is just positioned at the rolling rotation center when abutting the roller of the fixed roller assembly 100b, the movable roller assembly 100a is used for being positioned at a position far away from the rolling area when the next bolt enters the rolling area when the last bolt finishes the processing and blanking, and after the next bolt enters the rolling area, the movable roller assembly 100a swings to the rolling area to assist the fixed bolt and abuts the bolt to be processed for rolling. Therefore, the bolts do not need to adjust the displacement and the speed of feeding through fine stroke control and a sensor when feeding, and the feeding efficiency is higher.

The number of the fixed roller assemblies 100b and the movable roller assemblies 100a is not less than one, and when the roller assemblies are 3 groups in total, the fixed roller assemblies 100b and the movable roller assemblies 100b preferably comprise two groups of movable roller assemblies 100a and one group of movable roller assemblies 100b and are uniformly distributed; wherein, the movable roller assembly 100a and the fixed roller assembly 100b can have identical structures, and the fixed roller assembly 100b does not swing when not required to swing only by limiting the swinging freedom degree; the fixed roller assembly 100b may also have a different structure from the movable roller assembly 100a, i.e., the fixed roller assembly 100b may only slide along the radial direction of the chuck 1 and may not swing along the vertical axis.

When the roller assemblies are 3 groups in total, the rollers of the three groups of roller assemblies can stably support the bolt to be processed and enable the bolt to be automatically centered to finish rolling processing.

The fixed roller assembly 100b and the movable roller assembly 100a each comprise a jaw connecting seat 101 slidably arranged on the chuck 1, an angle adjusting mechanism 300 arranged on the jaw connecting seat 101, and a roller arranged on the angle adjusting mechanism 300, wherein the roller can rotate around an axis thereof, and the angle adjusting mechanism 300 is used for adjusting the angle of the roller elevation angle of the roller assembly and the height of the roller assembly relative to the chuck 1, wherein:

as shown in fig. 1-5, the movable roller assembly 100a further includes a swing mechanism 200 connected to the angle adjusting mechanism 300 and a driving mechanism for driving the swing mechanism 200, where the rotation shaft 202 of the swing mechanism 200 is located at one side of a plane where the axis of the bolt and the axis of the roller are located, and the driving mechanism is disposed at the other side of the plane.

In the three-wheel rolling strengthening device, three rolling rollers are close in distance, the sizes of bolts to be processed in the field are various, and the sizes of partial bolts to be processed are smaller, so that the objective current situation limits the movement possibility of the three-wheel rolling strengthening device.

By the above mode, the interference phenomenon easily generated among the rollers of the movable roller assembly 100a, the rollers of the movable roller assembly 100a and the fixed roller assembly 100b, the rollers of the movable roller assembly 100a and other mechanisms such as the feeding mechanism 10 is overcome.

Further, as shown in fig. 3, the swing mechanism 200 includes a swing block seat 201, the swing block seat 201 is disposed on the jaw connecting seat 101 through a vertical rotating shaft 202, and a rotation axis of the rotating shaft 202 is located on a side of a plane formed by an axis of the bolt and an axis of the roller, which faces the feeding mechanism 10. When the driving mechanism drives the swing mechanism 200 to rotate, the movable roller assembly 100a swings in a direction away from the rolling area rather than tangential to the outer circumferential surface of the bolt.

The angle adjusting mechanism 300 comprises a swinging block 301, wherein the bottom end of the swinging block 301 is rotatably arranged on the swinging mechanism 200 through a swinging block pin 203 which is horizontal relative to the chuck 1; as shown in fig. 4, a spring 305 is provided between the pendulum block seat 201 and the pendulum block. The roller is rotatably arranged at the top end of the swinging block, the angle adjusting mechanism 300 further comprises an angle adjusting block 302, a threaded hole 303 and an adjusting bolt matched with the threaded hole 303 are arranged on the angle adjusting block 302, the adjusting bolt is located above the upper surface of the swinging block 301, and the roller elevation angle is adjusted in a mode of applying the pre-tightening force of the pressure adjusting spring 305 to the swinging block 301 from the upper side, so that the angle adjusting mechanism is suitable for bolts of different sizes.

As shown in fig. 1-3, the driving mechanism includes a connecting rod 500 and a first driving member 400 hinged in the middle of the connecting rod 500, one end of the connecting rod 500 is hinged on the jaw connecting seat 101, the other end is provided with a follower 501, the follower 501 is slidably disposed in a chute 503 on a follower block 502, the follower block 502 is fixedly disposed on one side of the swing mechanism 200, and when the first driving member 400 drives the connecting rod 500 to swing, the follower 501 in the chute 503 is limited to slide to drive the follower block 502 to swing, so that the swing mechanism 200 of the movable roller assembly 100a rotates around the rotating shaft 202.

As shown in fig. 6, the two end points of the connecting rod 500 are not collinear with the projection of the axis of the rotating shaft 202 on the horizontal plane, that is, the projection of the hinge point between the connecting rod 500 and the jaw connecting seat 101, the fixed point between the follower 501 and the connecting rod 500, and the projection of the hinge point between the pendulum block seat 201 and the jaw connecting seat 101 on the horizontal plane are not collinear; when the bolt is rolled and reinforced, the movable roller assembly 100a receives the reaction force of rolling force, and the vector of the reaction force in the extending direction of the connecting rod 500 is born by the connecting rod 500 structure through the structure of the application, so that the stability of the rolling and reinforcing of the bolt is improved, and the stress of a system is optimized.

The first driver 400 may be any linear driving mechanism, for example: a screw rod mechanism, an eccentric wheel connecting rod 500 mechanism, a hydraulic telescopic mechanism or a pneumatic telescopic mechanism; as shown in fig. 3, in the case of the pneumatic telescopic mechanism, the pneumatic telescopic mechanism comprises a cylinder tail base 402 arranged on a base 401 and a cylinder 403 with one end arranged on the cylinder tail base 402, and the other end of the cylinder 403 is hinged to the middle part of a connecting rod 500 through a cylinder hinge pin 404.

The first driving member 400 may further be provided with a proximity sensor 600 connected to an electrical system, where the proximity sensor 600 is fixed on the sensor support 601, and an induction end of the proximity sensor 600 faces the follower 501 and is used for judging a working state of the movable roller assembly 100a, so that the electrical system keeps running stably, and the feeding efficiency is improved.

The blanking channel 2 is arranged on the chuck 1 and is positioned under the bolt rolling area, so that the bolts after rolling reinforcement can be conveniently and rapidly discharged, and the blanking channel 2 is arranged in the middle of the chuck 1 most preferentially, so that other mechanisms on the chuck 1 can be conveniently integrated.

The working principle of the embodiment is as follows: respectively adjusting the roller elevation angle of the roller assembly and the gap between the left rail and the right rail to adapt to the size of the bolt needing rolling reinforcement; the second driving part 17 of the pushing mechanism drives the pushing plate 19 to stably abut the bolt positioned on the material rail 16 against the roller of the fixed roller assembly 100b under the action of the guide shaft 21, so that the bolt is positioned in a rolling area right above the blanking channel 2; the first driving part 400 of the movable roller assembly 100a drives the connecting rod 500 to swing, so that the follower 501 fixed on the connecting rod 500 moves in the chute 503 of the follower 502, thereby driving the follower 502 to push the swing block mechanism 200 to swing, and the roller on the swing block mechanism 200 is abutted with the bolt under the swing action of the follower, so that the bolt is stably positioned in a rolling area, at the moment, the follower 501 moves to one end of the proximity sensor, and triggers the proximity sensor to send out a roller in-place signal, so as to control the pushing mechanism to retract the pushing plate 19, and enable the rotary driving mechanism to descend to control the bolt to rotate to finish rolling; after the rolling strengthening, the first driving part 400 of the movable roller assembly 100a controls the connecting rod 500 to swing again, so that the roller is far away from the bolt, the bolt vertically falls into the blanking channel 2 due to the lack of clamping of the movable roller assembly 100a, and at the moment, the follower 501 moves to the end far away from the proximity sensor, and the magnetic switch on the trigger cylinder 403 sends out a re-feeding signal.

It is also possible for a person skilled in the art to replace the roller assembly with 2 groups, 4 groups or more on the basis of the above technical solution.

In another embodiment of the present utility model, when the roller assembly is replaced with 2 sets, as shown in fig. 7 (a schematic view of a part of the roller assembly), the roller assembly comprises a set of fixed roller assemblies 100b and a set of movable roller assemblies 100a, the fixed roller assemblies 100b are arranged towards the feeding mechanism, the rollers of the fixed roller assemblies 100b are arranged towards the discharging hole of the feeding mechanism, the movable roller assemblies 100a are arranged adjacent to the feeding mechanism, the rollers of the movable roller assemblies 100a are arranged towards the rollers of the fixed roller assemblies 100b when the rollers are strengthened by rolling, a guide member is arranged on the movable roller assemblies 100a, a semi-closed guide hole matched with a bolt rod portion is vertically arranged on the guide member, and the semi-closed guide hole is positioned below the movable roller assemblies 100 a. During feeding, the rollers of the fixed rolling assembly 100b abut against the bolts conveyed by the pushing plate 19, the rollers of the movable roller assembly 100a swing from the lower part of the pushing plate 19 to the rolling area, at this time, the guide holes are matched with the bottom ends of the rod parts of the bolts, and the guide holes are used for ensuring that the bolts slide downwards in the vertical direction when the pushing plate 19 is retracted, so that the fixed roller assembly 100b and the movable roller assembly 100b can stably abut against the bolts; during blanking, the rollers of the movable roller assembly 100a retract to enable the bolts to vertically fall into the blanking channel.

In another embodiment of the present utility model, when the roller assemblies are replaced with 4 groups, as shown in fig. 8 (a schematic view of part of the roller assemblies), the roller assemblies include at least one group of fixed roller assemblies 100b and three groups of movable roller assemblies 100a disposed adjacent to the fixed roller assemblies, the rollers of the fixed roller assemblies 100b are disposed towards the discharge port of the feeding mechanism, and when the rolling is enhanced, the rollers of one group of movable roller assemblies 100a are disposed towards the rollers of the fixed roller assemblies 100b, and the rollers of the other two groups of movable roller assemblies 100a are disposed oppositely. During feeding, the rollers of the fixed rolling assembly 100b are abutted against the bolts conveyed by the pushing plate 19, and the rollers of the movable roller assembly 100a swing to a rolling area, so that the fixed roller assembly 100b and the movable roller assembly 100a can be stably abutted against the bolts; during blanking, the rollers of the movable roller assembly 100a retract to enable the bolts to vertically fall into the blanking channel.

Therefore, the utility model can vertically discharge the bolts into the discharge channel 2 by arranging the discharge channel 2 on the chuck 1 under the rolling strengthening area and driving the swing mechanism 200 of the movable roller assembly 100a to swing away from the bolts, thereby realizing the improvement of the continuity from the discharge to the re-discharge of the bolts.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The movable bolt rolling strengthening device is characterized by comprising a chuck with a blanking channel in the middle and a feeding mechanism for conveying bolts to a rolling area; the blanking channel is positioned right below the rolling area;

the chuck is also provided with at least two groups of roller assemblies, and the roller assemblies are used for abutting and rolling bolts which are strengthened and fed into the rolling area;

the roller assembly comprises at least one group of movable roller assemblies, and the movable roller assemblies are provided with driving mechanisms;

the driving mechanism is used for driving the movable roller assembly to be far away from the rolling area along the horizontal direction after the rolling reinforcement is completed, so that the bolts vertically fall into the blanking channel.

2. The movable bolt rolling strengthening device according to claim 1, wherein the movable roller assembly comprises a claw connecting seat, a swinging mechanism is hinged on the claw connecting seat through a vertically arranged rotating shaft, a roller for abutting against a bolt is arranged on the swinging mechanism, the swinging mechanism is connected with the driving mechanism,

the rotating shaft is positioned at one side of a plane formed by the axis of the bolt and the axis of the roller; the driving mechanism is positioned on the other side of the plane.

3. The movable bolt rolling strengthening device according to claim 2, wherein the rotation axis of the rotating shaft is located at one side of the plane close to the feeding mechanism.

4. A movable bolt rolling strengthening device according to any one of claims 2 to 3, wherein the driving mechanism comprises a first driving member, a connecting rod with the middle part hinged at one end of the first driving member, and a follow-up block fixedly arranged on the swinging mechanism;

a sliding groove is formed in the follow-up block;

one end of the connecting rod is slidably arranged in the sliding groove, and the other end of the connecting rod is hinged to the claw connecting seat.

5. The movable bolt rolling strengthening device according to claim 4, wherein the end points of the two ends of the connecting rod are not collinear with the projection of the axis of the rotating shaft on the horizontal plane.

6. The movable bolt rolling strengthening device according to claim 5, wherein the driving mechanism further comprises a proximity sensor which is fixedly arranged, the sensing end of the proximity sensor faces the connecting rod, and the proximity sensor is connected with an electrical system.

7. The movable bolt rolling strengthening device according to claim 1, wherein the feeding mechanism comprises a mounting plate, a material rail bracket and a material rail;

the mounting plate is detachably arranged on the chuck;

one end of the material rail bracket is arranged on the mounting plate, and the other end of the material rail bracket is provided with the material rail;

the tail end of the material rail is horizontally arranged towards the rolling area.

8. The movable bolt rolling strengthening device according to claim 7, wherein the feeding mechanism further comprises a pushing plate connected with a driving device;

the driving device is arranged on the mounting plate;

the material pushing plate is used for pushing bolts at the tail end of the material rail to the rolling area through linear movement of the material blocking opening.

9. The movable bolt rolling strengthening device according to claim 8, wherein one end of the pushing plate far away from the clamping opening is arranged on a pushing plate mounting block, and the pushing plate mounting block is connected with the driving device;

the pushing plate mounting block is further provided with a guide shaft, and the guide shaft penetrates through a linear bearing fixedly arranged below the driving device.

10. The movable bolt rolling strengthening device according to claim 1, wherein the roller assembly further comprises a fixed roller assembly, and the roller of the fixed roller assembly is disposed toward the discharge port of the feeding mechanism for abutting the bolt and positioning the bolt above the center of the chuck.

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