An automatic high-efficiency polishing processing equipment for bolt processing

Abstract

This invention relates to the field of bolt processing technology, specifically to an automated and efficient bolt grinding and processing equipment. The equipment includes a table assembly providing an installation position for the overall structure, a feeding assembly for continuously and stably feeding bolts, a grinding assembly for grinding the end faces of the bolts at the limit points, a pressing assembly for pressing the feeding bolts as they fall, and a limiting assembly for limiting the positions of bolts of different sizes on both sides as they fall. This automated and efficient bolt grinding and processing equipment is equipped with a hydraulic cylinder piston rod that moves a connecting plate up and down in an installation groove, enabling the bolts placed in the arc-shaped groove to be fed to the right sequentially. A second electric support rod adjusts the position of the vertical moving plate. A second clamping roller moves closer to the first clamping roller to limit the positions of bolts of different diameters as they fall. A cylinder on the column and a pressing roller press and limit the bolts at the limit points, facilitating the grinding and processing of the bolt ends by the grinding roller.

Description

Technical Field

[0001] This invention relates to the field of bolt processing technology, specifically to an automated and efficient grinding equipment for bolt processing. Background Technology

[0002] A bolt is a fastener consisting of a head and a thread, usually used in conjunction with a nut to fasten two parts with through holes. During the bolt manufacturing process, the end of the bolt thread needs to be ground. However, the bolts are tightly clamped by the clamping device. When the bolt end is approached by an angle grinder for rust removal and grinding, it takes time and is inefficient when clamping bolts of different sizes. It is not convenient to continuously place the bolts that need to be ground, limit the position of the bolts and grind them, and then quickly discharge them after grinding. Summary of the Invention

[0003] The purpose of this invention is to provide an automated and efficient grinding equipment for bolt processing, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: An automated and efficient bolt processing grinding equipment includes a table assembly, which provides an installation position for the overall structure and includes a processing table; The feeding assembly is used for the continuous and stable arrangement and delivery of bolts. The feeding assembly is installed on the table assembly. The feeding assembly includes a tray, on which several arc-shaped grooves for clamping bolts are opened. The tray is provided with a connecting plate that moves up and down. The connecting plate is provided with several top plates for guiding and conveying bolts. A grinding assembly is used to grind the end face of a limiting bolt. The grinding assembly is mounted on a table assembly and includes a horizontally movable transverse plate. A grinding motor is provided on the upper surface of the transverse plate, and the output shaft of the grinding motor is connected to a grinding roller through a coupling. The pressing assembly is used to press the bolts that are being delivered and dropped. The pressing assembly is installed on the table assembly. The pressing assembly includes a column, a cylinder at the end of the column, a movable plate at the end of the telescopic rod of the cylinder, and a rotating pressing roller in the movable plate. A limiting component is used to limit the position of bolts of different sizes falling during delivery. The limiting component is installed on the table assembly and includes a vertically movable plate. A drive motor is provided on the upper surface of the vertically movable plate. The drive motor is connected to a sprocket via a chain and a rotating connecting shaft. A second clamping roller is provided at the end of the connecting shaft. A positioning frame is provided on the processing table corresponding to the first clamping roller. A rotating shaft is provided on the positioning frame, and a first clamping roller is provided at the end of the rotating shaft.

[0005] Furthermore, the right end of the pallet is fixed to the processing table with screws, a through groove communicating with the arc-shaped groove is opened on the upper surface of the pallet near the front end, an installation groove is opened on the bottom of the pallet, the connecting plate is slidably inserted into the installation groove, the top plate and the connecting plate are integrally formed, a sliding groove is opened on the pallet corresponding to the top plate, and a sloping groove is opened on the upper surface of the top plate.

[0006] In this invention, the combination of multiple arc-shaped grooves helps to lock and limit the bolts, and with the cooperation of the through groove, it is convenient for the bolt ends to move horizontally in the through groove. The top plate is inserted into the sliding groove, the top plate moves up and down, and with the cooperation of the inclined groove, it lifts the bolts locked in the arc-shaped groove and moves to the right along the inclined groove.

[0007] Specifically, a hydraulic cylinder is provided at the center of the bottom of the connecting plate, and a U-shaped frame is provided at the bottom of the support plate corresponding to the hydraulic cylinder. The hydraulic cylinder is fixed to the U-shaped frame by bolts. A guide plate is provided at the right end of the support plate. An inclined plate is provided on both sides of the upper surface of the support plate located in the arc groove. The inclined plate is parallel to the inclined groove.

[0008] In this invention, the control switch on the hydraulic cylinder is electrically connected to the corresponding switch in the control box on the processing table via a wire. The U-shaped frame is fixed to the processing table with screws. The piston rod of the hydraulic cylinder extends and retracts, enabling the top plate to move up and down in the chute. The inclined plate and the support plate are integrally formed. With the cooperation of the inclined plate, it helps to arrange the conveyed bolts to be dispatched to the right in sequence.

[0009] Secondly, a guide plate is provided on the upper surface of the processing table at the middle of the limiting component. The guide plate is inclined, and a bracket is provided at the inclined end of the guide plate. A storage box is provided in the bracket.

[0010] In this invention, the installation of the guide plate helps to guide the bolts falling from between the first clamping roller and the second clamping roller, and guides them to the storage box for centralized collection of the polished bolts. The bracket is fixed to the processing table by screws, which facilitates the insertion of the storage box and the bracket.

[0011] The processing table has a storage groove near the edge of the grinding component on its upper surface, and the storage groove contains a drawer.

[0012] In this invention, the drawer and the storage slot are connected, and the drawer collects the polishing debris, reducing the debris from falling to the ground and affecting the surrounding environment.

[0013] It should be noted that a first electric push rod is provided on the upper surface of the processing table corresponding to the grinding component, and a second electric push rod is provided on the upper surface of the processing table corresponding to the limiting component.

[0014] In this invention, the first electric push rod and the second electric push rod are fixed to the processing table by screws. The first electric push rod and the second electric push rod are electrically connected to the processor inside the control box on the processing table by wires. The processor controls the first electric push rod and the second electric push rod to start by corresponding control switches. The piston rod of the first electric push rod is fixed to the protrusion on the side wall of the horizontal plate by screws, and the piston rod of the second electric push rod is fixed to the protrusion on the side wall of the vertical plate by screws.

[0015] Furthermore, the grinding motor is fixed to the transverse plate by screws, the bottom of the transverse plate is symmetrically provided with track grooves, the upper surface of the processing table is provided with slide rails corresponding to the track grooves, one end of the grinding roller is fixed to one end of the coupling, and the other end of the coupling is fixed to the output shaft of the grinding motor by screws.

[0016] In this invention, the slide rail is fixed to the processing table by screws, and the slide rail is slidably inserted into the track groove. With the cooperation of the first electric push rod, the horizontal movement of the transverse plate is realized. The control switch on the outer wall of the grinding motor is electrically connected to the processor inside the control box on the processing table. When the grinding motor is started, the output shaft drives the grinding roller to rotate. The piston rod of the first electric push rod moves and pushes the transverse plate to the right, close to the end of the limit bolt, so that the grinding roller grinds the end of the limit bolt.

[0017] Specifically, the column and the processing table are integrally formed, the cylinder is fixed to the column by screws, the telescopic rod is slidably connected to the bottom of the cylinder, and the bottom of the telescopic rod is fixed to the moving plate by screws.

[0018] In this invention, the control switch on the outer wall of the cylinder is electrically connected to the processor inside the control box on the processing table via a wire. The corresponding switch controls the movement of the cylinder's telescopic rod, thereby enabling the moving plate to move up and down accordingly, and the pressing roller presses and engages with the top of the bolt below.

[0019] It is worth adding that the bottom of the vertical moving plate is symmetrically provided with trapezoidal blocks, and the upper surface of the processing table is provided with trapezoidal grooves corresponding to the trapezoidal blocks. The bottom of the drive motor is fixed to the vertical moving plate by screws. The output shaft of the drive motor is connected to a sprocket via a coupling. The connecting shaft is rotatably connected to a support plate on the vertical moving plate. One end of the connecting shaft is fixedly connected to the second clamping roller, and the other end is connected to a sprocket. The two sprockets are connected by chain meshing. The positioning frame is fixed to the processing table with screws, the rotating shaft is rotatably connected to the positioning frame, and the first clamping roller is fixed to the rotating shaft with screws.

[0020] In this invention, the trapezoidal block and the vertical moving plate are integrally formed. The trapezoidal block and the trapezoidal groove are slidably inserted into each other. The control switch on the outer wall of the drive motor is electrically connected to the processor inside the control box through a wire to control the start of the drive motor. The output shaft rotates, and the connecting shaft rotates through the cooperation of the sprocket and the chain, thereby realizing the rotation of the second clamping roller. The piston rod of the second electric push rod extends and retracts, realizing the vertical moving plate to move horizontally and longitudinally, and realizing the second clamping roller to move closer to the first clamping roller. The bolts of different sizes are limited on both sides when they fall. When the end of the bolt is polished, the piston rod of the second electric push rod retracts, the second clamping roller moves away from the first clamping roller, and the polished bolt falls from the middle and enters the guide plate, realizing continuous polishing of the bolt end.

[0021] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses a support plate equipped with a hydraulic cylinder. The piston rod of the hydraulic cylinder moves the connecting plate up and down in the mounting groove. A top plate with a sloping groove cooperates with the support plate with a sloping panel to sequentially feed bolts placed in the arc groove to the right. A horizontal moving plate with a grinding motor is used on the processing table. A first electric push rod adjusts the position of the horizontal moving plate, and a second electric support rod adjusts the position of the vertical moving plate. A second clamping roller moves closer to the first clamping roller to limit the bolts of different diameters that are being conveyed and falling. A cylinder is used on the column to move the moving plate up and down. A pressing roller presses down on the bolts that are limited, which helps the bolt ends to be ground by the grinding roller.

[0022] 2. By setting a guide plate, the present invention helps the second clamping roller to separate from the first clamping roller, and guides the ground bolts to fall into the storage box. The drawer and the storage slot are connected to collect the grinding debris in a concentrated manner, reducing the impact of spillage on the surrounding environment. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the bolt feeding and conveying structure of the present invention; Figure 3 This is a schematic diagram of the feeding assembly structure of the present invention; Figure 4 This is a schematic diagram of the separation structure of the processing table and the grinding assembly of the present invention; Figure 5 This is a schematic diagram of the combined structure of the processing table and the pressing component of the present invention; Figure 6 This is a schematic diagram of the separation structure of the processing table and the limiting component of the present invention.

[0024] The meanings of the labels in the diagram are as follows: 1. Processing table; 10. Storage slot; 100. Drawer; 11. Slide rail; 12. First electric push rod; 13. Second electric push rod; 14. Trapezoidal groove; 15. Bracket; 16. Guide plate; 17. Positioning frame; 18. Rotating shaft; 180. First clamping roller; 2. Support plate; 20. Through groove; 21. Arc groove; 22. Slide groove; 23. Sloping panel; 24. Guide plate; 25. Connecting plate; 250. Top plate; 251. Sloping groove; 252. Hydraulic cylinder; 26. Mounting groove; 27. U-shaped frame; 3. Transverse plate; 30. Grinding motor; 300. Grinding roller; 31. Track groove; 4. Vertical moving plate; 40. Drive motor; 41. Trapezoidal block; 42. Connecting shaft; 420. Second clamping roller; 5. Column; 50. Cylinder; 500. Telescopic rod; 51. Moving plate; 52. Pressing roller; 6. Storage box. Detailed Implementation

[0025] 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.

[0026] Please see Figures 1-6 This embodiment provides a technical solution: An automated and efficient bolt processing grinding equipment includes a table assembly, which provides an installation position for the overall structure, and the table assembly includes a processing table 1; Secondly, a guide plate 16 is provided on the upper surface of the processing table 1 at the middle of the limiting component. The guide plate 16 is inclined, and a bracket 15 is provided at the inclined end of the guide plate 16. A storage box 6 is provided in the bracket 15.

[0027] In this invention, the installation of the guide plate 16 helps to guide the bolts falling from between the first clamping roller 180 and the second clamping roller 420, and guides them to the storage box 6 for centralized collection of the polished bolts. The bracket 15 is fixed to the processing table 1 by screws, which facilitates the insertion of the storage box 6 and the bracket 15.

[0028] Among them, a storage groove 10 is provided on the upper surface of the processing table 1 near the edge of the grinding component, and a drawer 100 is provided in the storage groove 10.

[0029] In this invention, the drawer 100 is inserted into the storage slot 10, and the drawer 100 collects polishing debris, reducing the debris from falling to the ground and affecting the surrounding environment.

[0030] Furthermore, the feeding assembly is used for the continuous and stable arrangement and delivery of bolts. The feeding assembly is installed on the table assembly. The feeding assembly includes a pallet 2, on which several arc-shaped grooves 21 for clamping bolts are opened. The pallet 2 is provided with a connecting plate 25 that moves up and down. The connecting plate 25 is provided with several top plates 250 for guiding and conveying bolts. Secondly, the right end of the pallet 2 is fixed to the processing table 1 by screws. A through groove 20 communicating with the arc groove 21 is opened on the upper surface of the pallet 2 near the front end. An installation groove 26 is opened at the bottom of the pallet 2. The connecting plate 25 is slidably inserted into the installation groove 26. The top plate 250 and the connecting plate 25 are integrally formed. A sliding groove 22 is opened on the pallet 2 at the position corresponding to the top plate 250. An inclined groove 251 is opened on the upper surface of the top plate 250.

[0031] In this invention, the cooperation of multiple arc-shaped grooves 21 helps to limit the corresponding locking of the bolt, and with the cooperation of the through groove 20, it is convenient for the bolt end to move horizontally in the through groove 20. The top plate 250 is inserted into the sliding groove 22, the top plate 250 moves up and down, and with the cooperation of the inclined groove 251, it lifts the bolt locked in the arc-shaped groove 21 and moves to the right along the inclined groove 251.

[0032] Specifically, a hydraulic cylinder 252 is provided at the center of the bottom of the connecting plate 25, and a U-shaped frame 27 is provided at the bottom of the support plate 2 corresponding to the hydraulic cylinder 252. The hydraulic cylinder 252 is fixed to the U-shaped frame 27 by bolts. A guide plate 24 is provided at the right end of the support plate 2. Inclined panels 23 are provided on both sides of the arc groove 21 on the upper surface of the support plate 2. The inclined panels 23 are parallel to the inclined groove 251.

[0033] In this invention, the control switch on the hydraulic cylinder 252 is electrically connected to the corresponding switch in the control box on the processing table 1 via a wire. The U-shaped frame 27 is fixed to the processing table 1 by screws. The piston rod of the hydraulic cylinder 252 extends and retracts, so that the top plate 250 moves up and down in the slide 22. The inclined plate 23 and the support plate 2 are integrally formed. With the cooperation of the inclined plate 23, it helps to arrange the conveyed bolts to be sent to the right in sequence.

[0034] It should be noted that a first electric push rod 12 is provided on the upper surface of the processing table 1 corresponding to the grinding component, and a second electric push rod 13 is provided on the upper surface of the processing table 1 corresponding to the limiting component.

[0035] In this invention, the first electric push rod 12 and the second electric push rod 13 are fixed to the processing table 1 by screws. The first electric push rod 12 and the second electric push rod 13 are electrically connected to the processor inside the control box on the processing table 1 by wires. The processor controls the first electric push rod 12 and the second electric push rod 13 to start by corresponding control switches. The piston rod of the first electric push rod 12 is fixed to the protrusion on the side wall of the transverse plate 3 by screws, and the piston rod of the second electric push rod 13 is fixed to the protrusion on the side wall of the vertical plate 4 by screws.

[0036] It should be noted that the grinding assembly is used to grind the end face of the limiting bolt. The grinding assembly is installed on the table assembly. The grinding assembly includes a horizontally moving transverse plate 3. A grinding motor 30 is provided on the upper surface of the transverse plate 3. The output shaft of the grinding motor 30 is connected to a grinding roller 300 through a coupling. Furthermore, the grinding motor 30 is fixed to the transverse plate 3 by screws. The bottom of the transverse plate 3 is symmetrically provided with track grooves 31. The upper surface of the processing table 1 is provided with a slide rail 11 corresponding to the track grooves 31. One end of the grinding roller 300 is fixed to one end of the coupling, and the other end of the coupling is fixed to the output shaft of the grinding motor 30 by screws.

[0037] In this invention, the slide rail 11 is fixed to the processing table 1 by screws, and the slide rail 11 is slidably inserted into the track groove 31. With the cooperation of the first electric push rod 12, the horizontal movement of the transverse plate 3 is realized. The control switch on the outer wall of the grinding motor 30 is electrically connected to the processor inside the control box on the processing table 1. When the grinding motor 30 is started, the output shaft drives the grinding roller 300 to rotate. The piston rod of the first electric push rod 12 moves and pushes the transverse plate 3 to move to the right, close to the end of the limit bolt, so that the grinding roller 300 grinds the end of the limit bolt.

[0038] It is worth adding that the pressing assembly is used to press the bolts that are being delivered and dropped. The pressing assembly is installed on the table assembly. The pressing assembly includes a column 5, a cylinder 50 at the end of the column 5, a movable plate 51 at the end of the telescopic rod 500 of the cylinder 50, and a rotating pressing roller 52 in the movable plate 51. Specifically, the column 5 and the processing table 1 are integrally formed. The cylinder 50 is fixed to the column 5 by screws. The telescopic rod 500 is slidably connected to the bottom of the cylinder 50. The bottom of the telescopic rod 500 is fixed to the moving plate 51 by screws.

[0039] In this invention, the control switch on the outer wall of the cylinder 50 is electrically connected to the processor inside the control box on the processing table 1 via a wire. The corresponding switch controls the movement of the telescopic rod 500 of the cylinder 50, thereby enabling the moving plate 51 to move up and down accordingly, and the pressing roller 52 to press and engage the top of the bolt below.

[0040] In addition, a limiting component is provided. The limiting component is used to limit the position of bolts of different sizes on both sides during delivery and falling. The limiting component is installed on the table assembly. The limiting component includes a vertical moving plate 4 that moves horizontally and longitudinally. A drive motor 40 is provided on the upper surface of the vertical moving plate 4. The drive motor 40 is connected to a connecting shaft 42 via a chain and a sprocket. A second clamping roller 420 is provided at the end of the connecting shaft 42. A positioning frame 17 is provided on the processing table 1 at a position corresponding to the first clamping roller 180. A rotating shaft 18 is provided on the positioning frame 17. The first clamping roller 180 is provided at the end of the rotating shaft 18.

[0041] Furthermore, trapezoidal blocks 41 are symmetrically provided at the bottom of the vertical moving plate 4, and trapezoidal grooves 14 are provided on the upper surface of the processing table 1 at the position corresponding to the trapezoidal blocks 41. The bottom of the drive motor 40 is fixed to the vertical moving plate 4 by screws. The output shaft of the drive motor 40 is connected to a sprocket via a coupling. The connecting shaft 42 is rotatably connected to the support plate on the vertical moving plate 4. One end of the connecting shaft 42 is fixedly connected to the second clamping roller 420, and the other end is connected to a sprocket. The two sprockets are connected by chain meshing. The positioning frame 17 is fixed to the processing table 1 by screws, the rotating shaft 18 is rotatably connected to the positioning frame 17, and the first clamping roller 180 is fixed to the rotating shaft 18 by screws.

[0042] In this invention, the trapezoidal block 41 and the vertical moving plate 4 are integrally formed. The trapezoidal block 41 and the trapezoidal groove 14 are slidably inserted into each other. The control switch on the outer wall of the drive motor 40 is electrically connected to the processor inside the control box through a wire. The drive motor 40 is started and the output shaft rotates. With the cooperation of the sprocket and the chain, the connecting shaft 42 rotates, which in turn makes the second clamping roller 420 rotate. The piston rod of the second electric push rod 13 extends and retracts, so that the vertical moving plate 4 moves horizontally and longitudinally. The second clamping roller 420 moves closer to the first clamping roller 180, and the bolts of different sizes are limited on both sides. When the end of the bolt is polished, the piston rod of the second electric push rod 13 retracts, and the second clamping roller 420 moves away from the first clamping roller 180. The polished bolt falls from the middle and enters the guide plate 16, so as to realize the continuous polishing of the bolt end.

[0043] In this embodiment, the automated and efficient bolt grinding equipment is used by first inserting the top plate 250 with the inclined groove 251 into the slide groove 22 on the support plate 2. The hydraulic cylinder 252 is fixed on the U-shaped frame 27, and the piston rod of the hydraulic cylinder 252 is connected to the bottom of the connecting plate 25. The inclined groove 251 is parallel to the inclined plate 23. The connecting plate 25 is fixed on the support plate 2, and the support plate 2 is fixed on the processing table 1. The horizontal moving plate 3 with the grinding motor 30 is slidably inserted into the track groove 31 through the slide rail 11. The vertical moving plate 4 with the drive motor 40 is slidably inserted into the trapezoidal groove 14 through the trapezoidal block 41. The piston rods of the first electric push rod 12 and the second electric push rod 13 are fixedly connected to the protrusions on the sides of the horizontal moving plate 3 and the vertical moving plate 4, respectively. The drawer 100 is inserted into the storage groove 10, and the storage box 6 is inserted into the bracket 15. The bolts requiring machining and grinding are placed sequentially on the left end of the upper surface of the support plate 2. With the cooperation of the inclined plate 23, the bolts roll sequentially into the arc groove 21. The hydraulic cylinder 252 is controlled by the processor inside the control box on the machining table 1. The piston rod of the hydraulic cylinder 252 continuously reciprocates to extend or shorten, realizing the up and down movement of the top plate 250, lifting the bolts in the arc groove 21 upwards. With the cooperation of the inclined groove 251 and the inclined plate 23, the bolts are sequentially delivered to the right end of the machining table 1. Depending on the bolt diameter, the vertical moving plate 4 is controlled to move first, so that the second clamping roller 420 approaches the first clamping roller 180 to connect with the guide. The bolts that fall on the plate 24 are limited and locked on both sides. Then, the telescopic rod 500 on the cylinder 50 is extended and pressed on the top of the limited bolt by the pressing roller 52. Then, the transverse plate 3 is moved and the grinding roller 300 approaches the end of the limited bolt. The grinding motor 30 is started, and the grinding roller 300 rotates. The drive motor 40 is started, and the second clamping roller 420 rotates. The first clamping roller 180 is rotatably connected to the positioning frame 17. The pressing roller 52 is rotatably connected to the moving plate 51. The bolt that is pressed and limited is continuously rotated under the tight pressing of the second clamping roller 420. The grinding roller 300 grinds and fits the end face of the bolt. After grinding, the vertical moving plate 4 is moved outward, the second clamping roller 420 rotates, and the distance between the first clamping rollers 180 increases. The ground bolts fall vertically into the guide plate 16, and with the cooperation of the storage box 6, the ground bolts are collected. By placing the bolts in sequence, the bolt end face grinding process can be continuously carried out. It can adapt to bolts of different sizes. Continuous feeding and grinding, followed by centralized storage, helps to efficiently grind bolts and reduces the time spent on manual adjustment and clamping and changing positions.

Claims

1. An automated and efficient grinding and processing equipment for bolt processing, characterized in that, include: The tabletop assembly provides an installation location for the overall structure and includes a worktable (1). The feeding assembly is used for the continuous and stable arrangement and delivery of bolts. The feeding assembly is installed on the table assembly. The feeding assembly includes a tray (2). The tray (2) has several arc-shaped grooves (21) for clamping bolts. The tray (2) has a connecting plate (25) that moves up and down. The connecting plate (25) has several top plates (250) for guiding and conveying bolts. The grinding assembly is used to grind the end face of the limiting bolt. The grinding assembly is installed on the table assembly. The grinding assembly includes a horizontally moving transverse plate (3). The upper surface of the transverse plate (3) is provided with a grinding motor (30). The output shaft of the grinding motor (30) is connected to a grinding roller (300) through a coupling. The pressing assembly is used to press the bolts that are being delivered and dropped. The pressing assembly is installed on the table assembly. The pressing assembly includes a column (5), and a cylinder (50) is provided at the end of the column (5). A movable plate (51) is provided at the end of the telescopic rod (500) of the cylinder (50). A rotating pressing roller (52) is provided in the movable plate (51). The limiting component is used to limit the position of bolts of different sizes falling during delivery. The limiting component is installed on the table assembly. The limiting component includes a vertical moving plate (4) that moves horizontally and longitudinally. A drive motor (40) is provided on the upper surface of the vertical moving plate (4). The drive motor (40) is connected to a rotating connecting shaft (42) via a chain and a sprocket. A second clamping roller (420) is provided at the end of the connecting shaft (42). A positioning frame (17) is provided on the processing table (1) at a position corresponding to the first clamping roller (180). A rotating shaft (18) is provided on the positioning frame (17). A first clamping roller (180) is provided at the end of the rotating shaft (18).

2. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The right end of the pallet (2) is fixed to the processing table (1) by screws. The upper surface of the pallet (2) near the front end is provided with a through groove (20) that communicates with the arc groove (21). The bottom of the pallet (2) is provided with an installation groove (26). The connecting plate (25) is slidably inserted into the installation groove (26). The top plate (250) and the connecting plate (25) are integrally formed. The pallet (2) is provided with a sliding groove (22) corresponding to the top plate (250). The upper surface of the top plate (250) is provided with inclined grooves (251).

3. The automated and efficient bolt grinding equipment according to claim 2, characterized in that: A hydraulic cylinder (252) is provided at the center of the bottom of the connecting plate (25). A U-shaped frame (27) is provided at the bottom of the support plate (2) corresponding to the hydraulic cylinder (252). The hydraulic cylinder (252) is fixed to the U-shaped frame (27) by bolts. A guide plate (24) is provided at the right end of the support plate (2). An inclined plate (23) is provided on both sides of the arc groove (21) on the upper surface of the support plate (2). The inclined plate (23) is parallel to the inclined groove (251).

4. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The upper surface of the processing table (1) is provided with a guide plate (16) located in the middle of the limiting component. The guide plate (16) is inclined and a bracket (15) is provided at the inclined end of the guide plate (16). A storage box (6) is provided in the bracket (15).

5. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The processing table (1) has a storage groove (10) on its upper surface near the edge of the grinding component, and a drawer (100) is provided in the storage groove (10).

6. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The upper surface of the processing table (1) is provided with a first electric push rod (12) corresponding to the grinding component, and the upper surface of the processing table (1) is provided with a second electric push rod (13) corresponding to the limiting component.

7. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The grinding motor (30) is fixed to the transverse plate (3) by screws. The bottom of the transverse plate (3) is symmetrically provided with track grooves (31). The upper surface of the processing table (1) is provided with a slide rail (11) corresponding to the track groove (31). One end of the grinding roller (300) is fixed to one end of the coupling, and the other end of the coupling is fixed to the output shaft of the grinding motor (30) by screws.

8. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The column (5) and the processing table (1) are integrally formed. The cylinder (50) is fixed to the column (5) by screws. The telescopic rod (500) is slidably connected to the bottom of the cylinder (50). The bottom of the telescopic rod (500) is fixed to the moving plate (51) by screws.

9. The automated and efficient bolt grinding equipment according to claim 1, characterized in that: The bottom of the vertical moving plate (4) is symmetrically provided with trapezoidal blocks (41), and the upper surface of the processing table (1) is provided with trapezoidal grooves (14) corresponding to the trapezoidal blocks (41). The bottom of the drive motor (40) is fixed to the vertical moving plate (4) by screws. The output shaft of the drive motor (40) is connected to the sprocket via a coupling. The connecting shaft (42) is rotatably connected to the support plate on the vertical moving plate (4). One end of the connecting shaft (42) is fixedly connected to the second clamping roller (420), and the other end is connected to the sprocket. The two sprockets are connected by chain meshing. The positioning frame (17) is fixed to the processing table (1) by screws, the rotating shaft (18) is rotatably connected to the positioning frame (17), and the first clamping roller (180) is fixed to the rotating shaft (18) by screws.

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