Bolt bending device for bolt machining

Abstract

The invention relates to the technical field of bolt machining, and provides a bolt bending device for bolt machining, which comprises a workbench, and fixing plates are fixedly connected to four corners of the bottom of the workbench. According to the device, a motor is controlled to be started through a controller, a movable strip, a pressing wheel and the like are synchronously driven to move to proper positions, then a limiting rod is pulled upwards by hand, limiting on the movable strip is relieved, the movable strip and the pressing wheel can be moved towards a pressing plate at the moment, a round rod is inserted into a positioning hole, then the limiting rod is loosened, the movable strip is limited, and the pressing wheel is pressed into the positioning hole. And the sliding strip, the movable strip, the pressing wheel and the like move towards one side to bend the bolts, so that the bolts of different models can be bent by arranging a plurality of U-shaped bending molds and pressing plates which are matched with the bolts of different models, and a matched bolt bending device does not need to be replaced, so that the bolt machining efficiency can be improved, and the bolt machining cost can be reduced. And the input cost of the bolt bending device can be reduced.

Description

Technical Field

[0001] This invention relates to the field of bolt processing technology, and in particular to a bolt bending device for bolt processing. Background Technology

[0002] A bolt is a mechanical part consisting of a head and a shank (a cylinder with external threads). It is a cylindrical threaded fastener that is fitted with a nut. The bolt and nut work together to fasten two parts with through holes. This type of connection is called a bolted connection. Since the nut can be unscrewed from the bolt, the two parts can be separated; therefore, a bolted connection is a detachable connection. Bolts are commonly used in steel structure construction. Bolts are classified according to their shape, such as L-bolts and U-bolts.

[0003] In the existing technology, during the bolt processing, the bolts need to be bent into U-shaped bolts. However, the current bolt bending devices can only bend bolts of the same type into U-shaped bolts and cannot bend bolts of different types. It is necessary to replace them with suitable bolt bending devices, which not only reduces the efficiency of bolt processing, but also results in high investment costs for bolt bending devices. Summary of the Invention

[0004] The purpose of this invention is to solve the problem in the prior art that during the bolt processing, bolts need to be bent into U-shaped bolts, but current bolt bending devices can only bend bolts of the same type into U-shaped bolts and cannot bend bolts of different types. It is necessary to replace them with suitable bolt bending devices, which not only reduces the efficiency of bolt processing, but also leads to high investment costs for bolt bending devices.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a bolt bending device for bolt processing, comprising: a worktable, with fixed plates fixedly connected to the four corners of the bottom of the worktable; a lead screw rotatably connected to one side of two of the fixed plates; a slide bar threadedly connected to the outer surface of the lead screw; a sprocket fixedly connected to one end of the lead screw; a chain meshing between the outer surfaces of the two sprockets; a motor fixedly connected to one side of one of the fixed plates; the output end of the motor fixedly connected to the other end of one of the lead screws; a movable strip slidably connected inside the slide bar; a pressure wheel rotatably connected to one side of the two arms of the movable strip; two symmetrically spaced limiting grooves on the top of the worktable; the outer surface of the slide bar slidably connected inside the limiting grooves; a processing plate fixedly connected to the top of the worktable; multiple U-shaped bending dies fixedly connected at equal intervals on the top of the processing plate; multiple sliding grooves equidistantly spaced on the top of the processing plate; sliding blocks equidistantly connected inside the sliding grooves; and a pressure plate fixedly connected to the top of the sliding blocks.

[0006] Preferably, the outer surface of the U-shaped bending die is provided with a semi-circular U-shaped bending groove, and one side of the pressure plate is provided with a semi-circular groove. The plurality of U-shaped bending dies are arranged from left to right in descending order of size, and the plurality of semi-circular U-shaped bending grooves are arranged from left to right in descending order of size. The diameter of the semi-circular U-shaped bending groove is equal to the diameter of the semi-circular groove.

[0007] Preferably, the top of the movable strip has multiple circular holes at equal intervals, and the top of the slide bar is slidably connected to a limiting rod, one end of which is slidably connected inside one of the circular holes.

[0008] Preferably, a spring is provided on the outer surface of the limiting rod, and the spring is fixedly connected to the limiting rod and the slide bar respectively.

[0009] Preferably, a groove is provided on one side of the processing plate, and multiple sliders are equidistantly connected inside the groove. A positioning hole is provided on one side of each slider. An L-shaped strip is fixedly connected to the bottom of the movable strip, and a round rod is fixedly connected to one side of the L-shaped strip.

[0010] Preferably, multiple fixing blocks are fixedly connected at equal intervals on opposite sides of the inner wall of the slide groove, and multiple springs are fixedly arranged at equal intervals inside the slide groove, with the springs being fixedly connected to the fixing blocks and the slider respectively.

[0011] Preferably, a plurality of square blocks II are fixedly connected at equal intervals on the inner wall of the processing plate, a pneumatic telescopic rod II is fixedly connected to one side of each square block II, a connecting block is fixedly connected to one end of each pneumatic telescopic rod II, the connecting block is fixedly connected to a slider I, and a connecting pipe is fixedly connected to the pneumatic telescopic rod II near the outer surface of the square block II, one end of the connecting pipe is connected to the compression chamber of the pneumatic telescopic rod II.

[0012] Preferably, a plurality of blocks are fixedly connected at equal intervals on the inner wall of the processing plate, and a pneumatic telescopic rod is fixedly connected to one side of each block. The pneumatic telescopic rod is fixedly connected to a slider. The other end of the connecting pipe is fixedly connected to the outer surface of the pneumatic telescopic rod near the block, and the other end of the connecting pipe is connected to the compression chamber of the pneumatic telescopic rod.

[0013] Preferably, the inner wall of the semi-circular groove is provided with an arc-shaped groove, and the side of the pressure plate away from the U-shaped bending mold is provided with a slot hole. A movable rod is slidably connected to one side of the inner wall of the slot hole, and an arc-shaped block is fixedly connected to one end of the movable rod. Multiple arc-shaped blocks are arranged from left to right in descending order of size.

[0014] Preferably, a circular block is fixedly connected to the other end of the movable rod, and a spring is provided on the outer surface of the movable rod. One end of the spring is fixedly connected to one side of the inner wall of the slot, and the other end of the spring is fixedly connected to one side of the circular block.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0016] 1. This invention controls the motor to start via a controller, causing its output shaft to drive one set of lead screws and sprockets to rotate. This, in turn, drives another set of sprockets and lead screws to rotate. This allows the slide bar to move to one side along the outer surface of the lead screw, simultaneously moving the movable bar and pressure wheel to the appropriate position. Then, by manually pulling the limiting rod upward, it disengages from the inside of the round hole, releasing the limitation on the movable bar. Simultaneously, the spring is stretched, allowing the movable bar and pressure wheel to move towards the pressure plate, bringing the pressure wheel into contact with the pressure plate. Simultaneously, this moves the L-shaped bar and round rod to one side, allowing the round rod to insert... The bolt is inserted into the positioning hole, and then the limiting rod is released, allowing it to be inserted into another round hole under the restoring force of the spring, thus limiting the movement of the movable bar. The motor is then started by controlling the controller, which can move the slide bar, movable bar, and pressure wheel to one side to bend the bolt. In this way, by setting multiple U-shaped bending dies and pressure plates that are compatible with different bolt models, different bolt models can be bent without the need to change the compatible bolt bending device. This not only improves the efficiency of bolt processing but also reduces the investment cost of the bolt bending device.

[0017] 2. In this invention, the movement of the movable bar, L-shaped bar, and round rod causes the slider one to slide to one side along the interior of the slide groove one, pulling the spring two. A pulling force is applied to the pneumatic telescopic rod two via the connecting block, causing the pneumatic telescopic rod two to extend. This reduces the air pressure inside the compression chamber of the pneumatic telescopic rod two, allowing the gas inside the compression chamber of the pneumatic telescopic rod one to enter the interior of the pneumatic telescopic rod two through the connecting pipe, further reducing the air pressure inside the compression chamber of the pneumatic telescopic rod one and causing it to contract. This causes the slider two to move along the interior of the slide groove two towards the U-shaped bending mold, simultaneously driving the pressure plate to slide along the outer surface of the movable rod towards the U-shaped bending mold, embedding the arc-shaped block into the arc-shaped groove. Simultaneously, the spring three is stretched. At this point, the bolt is tightened by the cooperation of the pressure plate and the arc-shaped block. The clamping wheel has not yet contacted the bolt, thus limiting the bolt's position and facilitating subsequent bending of the bolt by the clamping wheel. This method is relatively simple and convenient.

[0018] 3. In this invention, when the round rod disengages from the positioning hole, the spring two's reset force applies a pulling force to the slider one, causing it to slide along the groove one toward the fixed block. Simultaneously, this moves the connecting block, applying a force to the pneumatic telescopic rod two, causing it to contract. This allows the gas inside the compression chamber of the pneumatic telescopic rod two to enter the compression chamber of the pneumatic telescopic rod one through the connecting pipe, increasing the air pressure and causing the pneumatic telescopic rod one to extend. This pushes the slider two to move to the other side, simultaneously causing the pressure plate to slide along the outer surface of the movable rod to the other side. The spring three's reset force ensures the arc-shaped block remains in contact with the U-shaped bending die, limiting the U-bolt. Similarly, the round rod applies a reverse force to the slider one, separating the pressure plate from the U-shaped bending die. This releases the bolt's clamping state, facilitating the removal of the U-bolt and the insertion of the bolt to be bent. Attached Figure Description

[0019] Figure 1 This is a side view of a bolt bending device for bolt processing provided by the present invention;

[0020] Figure 2 The present invention provides a bolt bending device for bolt processing. Figure 1 Enlarged structural diagram at point A in the middle;

[0021] Figure 3 This is a bottom view of a bolt bending device for bolt processing provided by the present invention.

[0022] Figure 4 This is a cross-sectional structural diagram of a bolt bending device for bolt processing provided by the present invention;

[0023] Figure 5 The present invention provides a bolt bending device for bolt processing. Figure 4 Enlarged structural diagram at point B;

[0024] Figure 6 This is a partially disassembled structural diagram of a bolt bending device for bolt processing provided by the present invention;

[0025] Figure 7 This is a schematic diagram of the processing plate structure of a bolt bending device for bolt processing provided by the present invention;

[0026] Figure 8 The present invention provides a bolt bending device for bolt processing. Figure 7 Enlarged structural diagram at point C.

[0027] Legend:

[0028] 1. Worktable; 101. Limiting groove; 102. Fixing plate; 103. Lead screw; 104. Sprocket; 105. Chain; 106. Sliding bar; 107. Moving bar; 108. Pressure wheel; 109. Round hole; 110. Limiting rod; 111. Spring 1; 112. L-shaped bar; 113. Round rod; 114. Motor; 2. Processing plate; 201. U-shaped bending die; 202. Pressure plate; 203. Sliding groove 1; 204. Sliding block 1; 205. 206. Positioning hole; 207. Fixing block; 208. Spring 2; 209. Slot hole; 210. Sliding groove 2; 211. Sliding block 2; 212. Pneumatic telescopic rod 1; 213. Semi-circular U-shaped bending groove; 214. Semi-circular groove; 215. Arc groove; 216. Square block 1; 217. Connecting pipe; 218. Square block 2; 219. Pneumatic telescopic rod 2; 210. Connecting block; 3. Movable rod; 301. Arc block; 302. Round block; 303. Spring 3. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Examples, such as Figure 1 - Figure 8 As shown, the present invention provides a technical solution: a bolt bending device for bolt processing, comprising: a workbench 1, with fixed plates 102 fixedly connected to the four corners of the bottom of the workbench 1, a lead screw 103 rotatably connected to the opposite side of the two fixed plates 102, a slide bar 106 threadedly connected to the outer surface of the lead screw 103, a sprocket 104 fixedly connected to one end of the lead screw 103, a chain 105 meshing with the outer surfaces of the two sprockets 104, and a motor 114 fixedly connected to one side of one of the fixed plates 102, the output end of the motor 114 fixedly connected to the other end of one of the lead screws 103. The slide bar 106 is internally slidably connected to a movable bar 107. The two arms of the movable bar 107 are rotatably connected to a pressure wheel 108 on opposite sides. The top of the worktable 1 has two symmetrically opened limit grooves 101. The outer surface of the slide bar 106 is slidably connected to the inside of the limit grooves 101. The top of the worktable 1 is fixedly connected to a processing plate 2. The top of the processing plate 2 is fixedly connected to multiple U-shaped bending dies 201 at equal intervals. The top of the processing plate 2 is provided with multiple sliding grooves 209 at equal intervals. The sliding grooves 209 are internally slidably connected to sliders 210 at equal intervals. The top of the sliders 210 is fixedly connected to a pressure plate 202.

[0031] Furthermore, such as Figure 1 - Figure 8As shown, a semi-circular U-shaped bending groove 212 is provided on the outer surface of the U-shaped bending die 201, and a semi-circular groove 213 is provided on one side of the pressure plate 202. Multiple U-shaped bending dies 201 are arranged from left to right in descending order of size, and multiple semi-circular U-shaped bending grooves 212 are arranged from left to right in descending order of size. The diameter of the semi-circular U-shaped bending groove 212 is equal to the diameter of the semi-circular groove 213.

[0032] Furthermore, such as Figure 1 - Figure 8 As shown, the top of the movable bar 107 is provided with a plurality of circular holes 109 at equal intervals. The top of the slide bar 106 is slidably connected to a limiting rod 110. One end of the limiting rod 110 is slidably connected to the inside of one of the circular holes 109. By pulling the limiting rod 110 upward by hand, it is disengaged from the inside of the circular hole 109, thus releasing the limitation on the movable bar 107.

[0033] Furthermore, such as Figure 1 - Figure 8 As shown, a spring 111 is provided on the outer surface of the limiting rod 110. The spring 111 is fixedly connected to the limiting rod 110 and the slide bar 106 respectively. Under the reset force of the spring 111, the limiting rod 110 can be inserted into the inside of the round hole 109.

[0034] Furthermore, such as Figure 1 - Figure 8 As shown, a groove 203 is provided on one side of the processing plate 2. Multiple sliders 204 are equidistantly connected inside the groove 203. A positioning hole 205 is provided on one side of the slider 204. An L-shaped bar 112 is fixedly connected to the bottom of the movable bar 107. A round rod 113 is fixedly connected to one side of the L-shaped bar 112. With the above arrangement, when the movable bar 107 drives the L-shaped bar 112 and the round rod 113 to move toward the processing plate 2, the round rod 113 can be inserted into the positioning hole 205.

[0035] Furthermore, such as Figure 1 - Figure 8 As shown, multiple fixing blocks 206 are fixedly connected at equal intervals on opposite sides of the inner wall of the slide groove 203. Multiple springs 207 are equidistantly arranged inside the slide groove 203. The springs 207 are fixedly connected to the fixing blocks 206 and the slider 204 respectively. With the above arrangement, when the force on the slider 204 disappears, a pulling force can be applied to the slider 204 by the reset force of the springs 207, so that it slides along the inside of the slide groove 203 toward the fixing blocks 206.

[0036] Furthermore, such as Figure 1 - Figure 8As shown, multiple square blocks 217 are fixedly connected at equal intervals on the inner wall of the processing plate 2. A pneumatic telescopic rod 218 is fixedly connected to one side of the square block 217. A connecting block 219 is fixedly connected to one end of the pneumatic telescopic rod 218. The connecting block 219 is fixedly connected to the slider 204. A connecting pipe 216 is fixedly connected to the pneumatic telescopic rod 218 near the outer surface of the square block 217. One end of the connecting pipe 216 is connected to the compression chamber of the pneumatic telescopic rod 218. With the above arrangement, when the connecting block 219 applies a pulling force to the pneumatic telescopic rod 218, the pneumatic telescopic rod 218 can be extended, which reduces the air pressure inside its compression chamber. Conversely, it increases the air pressure inside its compression chamber.

[0037] Furthermore, such as Figure 1 - Figure 8 As shown, multiple blocks 215 are fixedly connected at equal intervals on the inner wall of the processing plate 2. A pneumatic telescopic rod 211 is fixedly connected to one side of the block 215. The pneumatic telescopic rod 211 is fixedly connected to the slider 210. The other end of the connecting pipe 216 is fixedly connected to the outer surface of the pneumatic telescopic rod 211 near the block 215. The other end of the connecting pipe 216 is connected to the compression chamber of the pneumatic telescopic rod 211. With the above arrangement, when gas is supplied into the pneumatic telescopic rod 211 through the connecting pipe 216, the air pressure inside the compression chamber of the pneumatic telescopic rod 211 can be increased, causing the pneumatic telescopic rod 211 to extend. Conversely, the air pressure inside the compression chamber of the pneumatic telescopic rod 211 decreases, causing the pneumatic telescopic rod 211 to contract.

[0038] Furthermore, such as Figure 1 - Figure 8 As shown, the inner wall of the semi-circular groove 213 is provided with an arc-shaped groove 214. The side of the pressure plate 202 away from the U-shaped bending mold 201 is provided with a slot 208. A movable rod 3 is slidably connected to one side of the inner wall of the slot 208. An arc-shaped block 301 is fixedly connected to one end of the movable rod 3. Multiple arc-shaped blocks 301 are arranged from left to right in descending order of size. With the above arrangement, when the pressure plate 202 moves along the outer surface of the movable rod 3 toward the U-shaped bending mold 201, the arc-shaped block 301 can be embedded into the arc-shaped groove 214, which facilitates the pressure plate 202 and the arc-shaped block 301 to tighten the bolt.

[0039] Furthermore, such as Figure 1 - Figure 8 As shown, a circular block 302 is fixedly connected to the other end of the movable rod 3. A spring 303 is provided on the outer surface of the movable rod 3. One end of the spring 303 is fixedly connected to one side of the inner wall of the slot 208, and the other end of the spring 303 is fixedly connected to one side of the circular block 302. Under the reset force of the spring 303, the arc block 301 can always be in contact with the U-shaped bending mold 201, which facilitates the insertion of bolts.

[0040] Working principle: In use, firstly, according to the bolt type, the bolt is inserted into the corresponding arc-shaped block 301 and semi-circular U-shaped bending groove 212. Then, the controller starts the motor 114, causing its output shaft to drive one set of lead screws 103 and sprockets 104 to rotate. Then, under the action of the sprockets 104 and chain 105 meshing, the other set of sprockets 104 and lead screws 103 can be driven to rotate. Then, under the action of the threaded connection between the lead screw 103 and the slide bar 106, and with the cooperation of the limiting groove 101 to limit and guide the slide bar 106, the slide bar 106 can move to one side along the outer surface of the lead screw 103, synchronously driving the movable bar 107 and the pressure wheel 108 to move to the appropriate position. Finally, the limiting rod 110 is pulled upward by hand. This causes the movable bar 107 to disengage from the inside of the circular hole 109, releasing the restriction on the movable bar 107. Simultaneously, the spring 111 is stretched, allowing the movable bar 107 and the pressure wheel 108 to move towards the pressure plate 202, making the pressure wheel 108 contact the pressure plate 202. Simultaneously, the L-shaped bar 112 and the round rod 113 are moved to one side, allowing the round rod 113 to insert into the positioning hole 205. Then, the limiting rod 110 is released, allowing it to be inserted into another circular hole 109 under the restoring force of the spring 111, thus limiting the movable bar 107. The controller continues to control the motor 114 to start, causing the slide bar 106, movable bar 107, and pressure wheel 108 to move to one side, bending the bolt. This is achieved by setting multiple adapters... The U-shaped bending die 201 and pressure plate 202 for different bolt models can bend bolts of different models without the need to change to a suitable bolt bending device. This not only improves the efficiency of bolt processing but also reduces the investment cost of the bolt bending device. Simultaneously, the movement of the movable bar 107, L-shaped bar 112, and round rod 113 can drive the slider 204 to slide to one side along the inside of the groove 203, causing the spring 207 to pull. This, along with the connecting block 219, applies a pulling force to the pneumatic telescopic rod 218, causing it to extend. This reduces the air pressure inside the compression chamber of the pneumatic telescopic rod 218, allowing the gas inside the compression chamber of the pneumatic telescopic rod 211 to enter the pneumatic telescopic rod through the connecting pipe 216. Inside the second 218, the air pressure inside the compression chamber of the pneumatic telescopic rod 211 decreases, causing the pneumatic telescopic rod 211 to retract. This drives the second slider 210 to move along the inside of the second slide groove 209 towards the U-shaped bending mold 201. Simultaneously, it drives the pressure plate 202 to slide along the outer surface of the movable rod 3 towards the U-shaped bending mold 201, causing the arc-shaped block 301 to embed into the arc-shaped groove 214. At the same time, the third spring 303 is stretched. At this time, the bolt is tightened by the cooperation of the pressure plate 202 and the arc-shaped block 301. At this time, the clamping wheel 108 has not yet contacted the bolt, which can tighten and limit the bolt, thus facilitating the subsequent bending process of the bolt by the clamping wheel 108. This is relatively simple and convenient. When the round rod 113 disengages from the inside of the positioning hole 205...At this time, under the restoring force of spring 207, a pulling force can be applied to slider 204, causing slider 204 to slide along slide groove 203 toward fixed block 206, synchronously driving connecting block 219 to move, applying a force to pneumatic telescopic rod 218, causing pneumatic telescopic rod 218 to retract, so that the gas inside the compression chamber of pneumatic telescopic rod 218 enters the compression chamber of pneumatic telescopic rod 211 through connecting pipe 216, increasing the air pressure in the compression chamber of pneumatic telescopic rod 211, and causing pneumatic telescopic rod 211 to... The extension pushes slider 210 to move to the other side, simultaneously causing pressure plate 202 to slide along the outer surface of movable rod 3 to the other side. Under the restoring force of spring 303, the arc-shaped block 301 remains in contact with the U-shaped bending die 201, limiting the U-shaped bolt. Similarly, the round rod 113 applies a reverse force to slider 204, which also separates pressure plate 202 from the U-shaped bending die 201. This releases the bolt from its clamping state, making it easier to remove the U-shaped bolt and insert the bolt to be bent.

[0041] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments that can be applied to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A bolt bending device for bolt processing, characterized in that, include: A workbench (1) is provided, with fixed plates (102) fixedly connected to the four corners of its bottom. Two fixed plates (102) are rotatably connected to opposite sides of each other, with a lead screw (103) threaded onto the outer surface of the lead screw (103). A slide bar (106) is threaded onto the outer surface of the lead screw (103). A sprocket (104) is fixedly connected to one end of the lead screw (103), and a chain (105) meshes onto the outer surfaces of the two sprockets (104). A motor (114) is fixedly connected to one side of one of the fixed plates (102), and the output end of the motor (114) is fixedly connected to the other end of one of the lead screws (103). A movable strip is slidably connected inside the slide bar (106). 107), the two arms of the movable bar (107) are rotatably connected to the opposite side of the pressure wheel (108), the top of the worktable (1) is symmetrically provided with two limiting grooves (101), the outer surface of the slide bar (106) is slidably connected to the inside of the limiting groove (101), the top of the worktable (1) is fixedly connected with a processing plate (2), the top of the processing plate (2) is fixedly connected with multiple U-shaped bending dies (201) at equal intervals, the top of the processing plate (2) is provided with multiple sliding grooves (209) at equal intervals, the inside of the sliding grooves (209) is slidably connected with sliders (210), the top of the sliders (210) is fixedly connected with a pressure plate (202).

2. The bolt bending device for bolt processing according to claim 1, characterized in that: The outer surface of the U-shaped bending die (201) is provided with a semi-circular U-shaped bending groove (212), and a semi-circular groove (213) is provided on one side of the pressure plate (202). The multiple U-shaped bending dies (201) are arranged from left to right in descending order of size, and the multiple semi-circular U-shaped bending grooves (212) are arranged from left to right in descending order of size. The diameter of the semi-circular U-shaped bending groove (212) is equal to the diameter of the semi-circular groove (213).

3. The bolt bending device for bolt processing according to claim 1, characterized in that: The top of the movable strip (107) is provided with a plurality of circular holes (109) at equal intervals. The top of the slide bar (106) is slidably connected to a limiting rod (110), and one end of the limiting rod (110) is slidably connected to the inside of one of the circular holes (109).

4. A bolt bending device for bolt processing according to claim 3, characterized in that: The outer surface of the limiting rod (110) is provided with a spring (111), which is fixedly connected to the limiting rod (110) and the slide bar (106).

5. A bolt bending device for bolt processing according to claim 3, characterized in that: The processing plate (2) has a sliding groove (203) on one side, and multiple sliders (204) are equidistantly connected inside the sliding groove (203). A positioning hole (205) is provided on one side of the slider (204). An L-shaped bar (112) is fixedly connected to the bottom of the movable bar (107), and a round rod (113) is fixedly connected to one side of the L-shaped bar (112).

6. A bolt bending device for bolt processing according to claim 5, characterized in that: Multiple fixing blocks (206) are fixedly connected at equal intervals on opposite sides of the inner wall of the first slide (203). Multiple springs (207) are fixedly arranged at equal intervals inside the first slide (203). The springs (207) are fixedly connected to the fixing blocks (206) and the first slider (204) respectively.

7. A bolt bending device for bolt processing according to claim 6, characterized in that: The inner wall of the processing plate (2) is fixedly connected with multiple square blocks (217) at equal intervals. A pneumatic telescopic rod (218) is fixedly connected to one side of the square block (217). A connecting block (219) is fixedly connected to one end of the pneumatic telescopic rod (218). The connecting block (219) is fixedly connected to the slider (204). A connecting pipe (216) is fixedly connected to the outer surface of the pneumatic telescopic rod (218) near the square block (217). One end of the connecting pipe (216) is connected to the compression chamber of the pneumatic telescopic rod (218).

8. A bolt bending device for bolt processing according to claim 7, characterized in that: The inner wall of the processing plate (2) is fixedly connected with a plurality of blocks (215) at equal intervals. A pneumatic telescopic rod (211) is fixedly connected to one side of the block (215). The pneumatic telescopic rod (211) is fixedly connected to the slider (210). The other end of the connecting pipe (216) is fixedly connected to the outer surface of the pneumatic telescopic rod (211) near the block (215). The other end of the connecting pipe (216) is connected to the compression chamber of the pneumatic telescopic rod (211).

9. A bolt bending device for bolt processing according to claim 2, characterized in that: The inner wall of the semi-circular groove (213) is provided with an arc-shaped groove (214). The pressure plate (202) is provided with a slot (208) on the side away from the U-shaped bending mold (201). A movable rod (3) is slidably connected to one side of the inner wall of the slot (208). An arc-shaped block (301) is fixedly connected to one end of the movable rod (3). Multiple arc-shaped blocks (301) are arranged from left to right in descending order of size.

10. A bolt bending device for bolt processing according to claim 9, characterized in that: The other end of the movable rod (3) is fixedly connected to a round block (302). A spring three (303) is provided on the outer surface of the movable rod (3). One end of the spring three (303) is fixedly connected to one side of the inner wall of the slot (208), and the other end of the spring three (303) is fixedly connected to one side of the round block (302).

Images