Workpiece clamping equipment for mechanical manufacturing

Abstract

The invention relates to the technical field of transportation pneumatic clamps, and discloses workpiece clamping equipment for mechanical manufacturing, which comprises transportation equipment and further comprises a pneumatic assembly, a transportation roller is arranged in the transportation equipment, an air cylinder fixedly penetrates through the front side of the transportation equipment, and a clamping plate is fixedly mounted at the output end of the air cylinder; the pneumatic assembly comprises a limiting frame, a pressed plate, a pressed frame, an anti-falling plate, an anti-falling frame, a moving frame, a moving rod and a placing hole, the placing hole is formed in the rear side of the clamping plate, the limiting frame is fixedly installed on the inner wall of the placing hole, and the pressed plate is slidably installed on the inner wall of the limiting frame; the clamping plate moves backwards to make contact with the workpiece and clamp the workpiece to be centered, the anti-disengaging plate moves downwards to drive the anti-disengaging frame to move downwards, the anti-disengaging frame moves downwards to make contact with the top of the workpiece and press the workpiece, the anti-disengaging frame presses downwards from the top, and the workpiece can be prevented from being ejected out of the middle of the clamping plate.

Description

Technical Field

[0001] This invention relates to the field of pneumatic clamping technology for transportation, and more particularly to a workpiece clamping device for mechanical manufacturing. Background Technology

[0002] Workpieces are prone to rolling or tipping when transported on a conveyor belt. Clamping devices are used to ensure that workpieces maintain a fixed posture when subjected to external forces, and are typically used for transporting standard workpieces.

[0003] Patent CN220055456U relates to a workpiece clamping device for mechanical manufacturing, belonging to the field of clamping device technology. It solves the problem of ensuring processing efficiency while simultaneously achieving material transfer and reversal. This patented workpiece clamping device includes a base fixed to a slide rail, a back plate vertically fixed to the base, two guide shafts vertically arranged on the back plate, sliders slidably mounted on each guide shaft, and a moving plate fixed to each slider. A cylinder is fixed to the base, with its push rod vertically upward and connected to the moving plate. A rotary cylinder is fixed to the front of the moving plate, and a finger cylinder is fixed to the rotating end of the rotary cylinder. This patent designs a clamping device that combines clamping and reversal, enabling direct material reversal during transfer. This design integrates the two actions of transfer and reversal into one, significantly improving processing efficiency.

[0004] In the aforementioned patent, a cylinder push rod is vertically mounted upwards and connected to a moving plate. A rotary cylinder is fixed on the front of the moving plate, and a finger cylinder is fixed on the rotating end of the rotary cylinder. This allows the material to be directly redirected during the transfer process. This design combines the two actions of transfer and redirection into one. However, the workpiece may shift due to uneven friction, conveyor belt vibration, or inconsistent material direction. Furthermore, the workpiece may accumulate when being centered. Excessive oil accumulation on the surface of the transport equipment can also affect the transport efficiency. Therefore, it is necessary to design a workpiece clamping device for mechanical manufacturing to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a workpiece clamping device for mechanical manufacturing.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A workpiece clamping device for mechanical manufacturing includes a transport device and a pneumatic assembly. The transport device has a transport roller inside, and a cylinder is fixedly inserted through its front side. A clamping plate is fixedly installed at the output end of the cylinder. The pneumatic assembly includes a limiting frame, a pressure plate, a pressure receiving frame, an anti-detachment plate, an anti-detachment frame, a moving frame, a moving rod, and a placement hole. The placement hole is located on the rear side of the clamping plate. The limiting frame is fixedly installed on the inner wall of the placement hole. The pressure plate is slidably installed on the inner wall of the limiting frame, and the pressure receiving frame is fixedly installed on the rear side of the pressure plate. The anti-detachment plate is slidably installed on the inner wall of the limiting frame, and the anti-detachment frame is fixedly installed at the bottom of the anti-detachment plate. The moving frame is fixedly installed on the circumferential surface of the cylinder, and the moving rod is fixedly installed on the front side of the clamping plate. A spring is provided between the pressure plate and the limiting frame. The anti-detachment frame is used to press the workpiece, the pressure receiving frame is used to contact the workpiece, and the clamping plate is used to clamp and align the workpiece. When the clamping plate moves rearward, it contacts the workpiece and clamps and centers it.

[0007] As a preferred embodiment of the present invention, the moving rod passes through the front side of the transport equipment, the moving rod is slidably connected to the moving frame, the clamping plate is in contact with the transport equipment, the anti-detachment plate moves downward under the pressure of the liquid inside the limiting frame, the downward movement of the anti-detachment plate will drive the anti-detachment frame to move downward, the downward movement of the anti-detachment frame will contact the top of the workpiece and press the workpiece, the downward movement of the anti-detachment frame will contact the top of the workpiece and press the workpiece, the anti-detachment frame presses down from the top, which can prevent the workpiece from popping out from the middle of the clamping plate.

[0008] As a preferred embodiment of the present invention, a sealing ring is provided between the limiting frame and the pressure plate, which can improve the sealing performance between the limiting frame and the pressure plate. A sealing strip is provided between the limiting frame and the anti-detachment plate, which can improve the sealing performance between the limiting frame and the anti-detachment plate. The moving rod moves backward to cooperate with the moving frame to support the clamping plate, thereby improving the squeezing effect of the clamping plate.

[0009] As a preferred embodiment of the present invention, it further includes a guiding component and a protective component. The guiding component is used to prevent workpieces from accumulating on the top of the transport equipment, and the protective component is used to prevent stains from accumulating on the surface of the transport equipment. The guiding component includes a reciprocating hole, a guiding frame, a guiding disc, a stop frame, a linkage plate, a connecting frame, and a gear. The stop frame moves to the left and resets, causing the guiding frame to move to the left and reset. The guiding frame reciprocates left and right to guide the centered workpiece. The reciprocating hole is opened on the front side of the transport equipment. The guiding frame is slidably installed on the inner wall of the reciprocating hole. The guiding disc is fixedly installed on the top rear side of the guiding frame. The stop frame is fixedly installed on the bottom of the guiding frame. The linkage plate is fixedly installed on the front side of the stop frame. The connecting frame is fixedly installed on the front side of the transport equipment. The gear is fixedly installed on the circumferential surface of the transport roller.

[0010] As a preferred embodiment of the present invention, the right side of the linkage plate is set as an inclined surface, the guide plate is in contact with the clamping plate, and the inside of the guide frame is set as an inclined surface.

[0011] As a preferred embodiment of the present invention, a second spring is provided between the stop frame and the connecting frame. The second spring can support the connecting frame. The guide frame is in contact with the middle of the transport equipment. The stop frame is in contact with the transport equipment. The gear is limited by the stop frame and cannot rotate. The inability of the gear to rotate causes the transport roller to stop rotating.

[0012] As a preferred embodiment of the present invention, the protective component includes a mounting hole, an elastic telescopic rod, a hollow frame, a linkage frame, a striking ring, and a recessed ring. The hollow frame moves downward and resets under the elastic force of the elastic telescopic rod. The hollow frame reciprocates and contacts the bottom of the transport equipment, scraping against the bottom of the transport equipment. The mounting hole is located on the front side of the transport equipment. The elastic telescopic rod is fixedly installed on the top of the inner wall of the mounting hole. The hollow frame is fixedly installed on the free end of the elastic telescopic rod. The linkage frame is fixedly installed on the bottom of the hollow frame. The striking ring is fixedly installed on the free end of the elastic telescopic rod. The recessed ring is fixedly installed on the fixed end of the elastic telescopic rod.

[0013] As a preferred embodiment of the present invention, the bottom of the linkage frame is set as an arc surface. By setting the bottom of the linkage frame as an arc surface, the frictional force when the linkage frame contacts the linkage plate can be reduced. The linkage frame contacts the linkage plate, and the hollow frame contacts the inner wall of the mounting hole. When the striking ring moves upward, it will hit the concave hole ring and generate vibration. The vibration of the striking ring will cause the hollow frame to vibrate together, which can prevent foreign objects from accumulating on the hollow frame and being brought back to the transport equipment, thereby ensuring the continuity of the cleaning effect.

[0014] The present invention has the following beneficial effects: 1. This invention, by moving the clamping plate backward, contacts and clamps the workpiece, centering it. The squeezing action of the clamping plates moving inward simultaneously on both sides can eliminate the lateral deviation of the workpiece caused by uneven friction or vibration during the conveying process, providing a unified reference point for subsequent processes. The downward movement of the anti-detachment plate will drive the anti-detachment frame to move downward, and the downward movement of the anti-detachment frame will contact the top of the workpiece and press it down. The anti-detachment frame pressing down from the top can prevent the workpiece from popping out from the middle of the clamping plate.

[0015] 2. This invention guides the centered workpiece by reciprocating left and right movement of the guide frame. The lateral force of the reciprocating guidance can forcibly correct its angular deviation, making the edge of the workpiece parallel to the conveying direction, correcting the offset to the reference center position, and avoiding the failure of the centering state.

[0016] 3. In this invention, the gear is limited by the stop frame and cannot rotate. The inability of the gear to rotate causes the transport roller to stop rotating, and the stop of the transport roller causes the transport equipment to stop operating. This prompts the operator to manually clean up the workpieces piled up on top of the transport equipment. The piled workpieces are prone to compression and deformation. By stopping the machine in time, this ineffective transport can be terminated, the workpiece scrap rate can be reduced, and the transport efficiency can be improved.

[0017] 4. This invention uses a hollow frame that moves back and forth to contact the bottom of the transport equipment and scrapes against the bottom of the transport equipment to prevent workpiece slippage or deviation caused by foreign objects, thus ensuring the stability of the conveying speed. The upward movement of the striking ring will cause it to strike the concave ring and generate vibration. The vibration of the striking ring will cause the hollow frame to vibrate together. The vibration can shake off the scraped oil or foreign objects from the surface of the hollow frame in time, which can prevent foreign objects from accumulating on the hollow frame and being brought back to the transport equipment, thereby ensuring the continuity of the cleaning effect. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure proposed in this invention; Figure 2 This is a schematic diagram of the positional structure of the guide frame and stop frame proposed in this invention; Figure 3 The present invention proposes Figure 2 Enlarged schematic diagram of section A in the middle; Figure 4 This is a schematic diagram of a half-section structure of the transportation equipment proposed in this invention; Figure 5 This is a schematic diagram of a half-section of the limiting frame structure proposed in this invention; Figure 6 This is a schematic diagram of the positional structure of the stop frame and the linkage plate proposed in this invention; Figure 7 This is a schematic diagram of the position structure of the elastic telescopic rod and the concave ring proposed in this invention.

[0019] In the diagram: 1. Transport equipment; 2. Transport roller; 3. Cylinder; 4. Clamping plate; 5. Limiting frame; 6. Pressure plate; 7. Pressure frame; 8. Anti-detachment plate; 9. Anti-detachment frame; 10. Moving frame; 11. Moving rod; 12. Placement hole; 131. Reciprocating hole; 132. Guide frame; 133. Guide plate; 134. Stop frame; 135. Linkage plate; 136. Connecting frame; 137. Gear; 141. Placement hole; 142. Elastic telescopic rod; 143. Hollow frame; 144. Linkage frame; 145. Striking ring; 146. Concave hole ring. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0021] Reference Figure 1-6 One embodiment of the present invention is: a workpiece clamping device for mechanical manufacturing, including a transport device 1 and a pneumatic assembly. The transport device 1 has a transport roller 2 inside, and a cylinder 3 is fixedly inserted through the front side of the transport device 1. A clamping plate 4 is fixedly installed at the output end of the cylinder 3. The pneumatic assembly includes a limiting frame 5, a pressure plate 6, a pressure frame 7, an anti-detachment plate 8, an anti-detachment frame 9, a moving frame 10, a moving rod 11, and a placement hole 12. The placement hole 12 is located on the rear side of the clamping plate 4. The limiting frame 5 is fixedly installed on the inner wall of the placement hole 12, the pressure plate 6 is slidably installed on the inner wall of the limiting frame 5, and the pressure frame 7 is fixedly installed on the inner wall of the clamping plate 4. Behind the pressure plate 6, the anti-detachment plate 8 is slidably installed on the inner wall of the limiting frame 5, the anti-detachment frame 9 is fixedly installed on the bottom of the anti-detachment plate 8, the moving frame 10 is fixedly installed on the circumferential surface of the cylinder 3, and the moving rod 11 is fixedly installed on the front side of the clamping plate 4. A spring is provided between the pressure plate 6 and the limiting frame 5. The anti-detachment frame 9 is used to press the workpiece, the pressure frame 7 is used to contact the workpiece, and the clamping plate 4 is used to clamp and straighten the workpiece. By utilizing the squeezing action of the clamping plates 4 moving inward synchronously on both sides, the left and right deviation of the workpiece caused by uneven friction or vibration during the conveying process can be eliminated, providing a unified reference point for subsequent processes.

[0022] The moving rod 11 passes through the front side of the transport equipment 1 and is slidably connected to the moving frame 10. The clamping plate 4 is in contact with the transport equipment 1. The anti-detachment plate 8 moves downward under the pressure of the liquid inside the limiting frame 5. The downward movement of the anti-detachment plate 8 will drive the anti-detachment frame 9 to move downward. The downward movement of the anti-detachment frame 9 will contact the top of the workpiece and press it down. The downward pressing of the anti-detachment frame 9 from the top can prevent the workpiece from popping out from the middle of the clamping plate 4. A sealing ring is provided between the limiting frame 5 and the pressure plate 6. The sealing ring can improve the sealing between the limiting frame 5 and the pressure plate 6. A sealing strip is provided between the limiting frame 5 and the anti-detachment plate 8. The sealing strip can improve the sealing between the limiting frame 5 and the anti-detachment plate 8. The moving rod 11 moves backward to cooperate with the moving frame 10 to support the clamping plate 4, thereby improving the squeezing effect of the clamping plate 4.

[0023] During operation: When the workpiece is transported to the rear of the cylinder 3 via the transport equipment 1, the cylinder 3 operates to drive the clamping plate 4 to move to the rear. The clamping plate 4 moves to the rear and contacts the workpiece, clamping and centering it. At the same time, the movement of the clamping plate 4 to the rear will drive the pressure frame 7 to move to the rear. The pressure frame 7 moves to the rear and contacts the workpiece, squeezing it. The pressure frame 7 moves forward due to the reaction force of the squeezed workpiece. The forward movement of the pressure frame 7 drives the pressure plate 6 to move forward. The forward movement of the pressure plate 6 will squeeze the spring 1. The spring 1 will deform and store force due to the squeezing of the pressure plate 6. At the same time, the forward movement of the pressure plate 6 will squeeze the liquid inside the limiting frame 5. The liquid inside the limiting frame 5 will move towards the anti-detachment plate 8 due to the squeezing of the pressure plate 6. The liquid inside the limiting frame 5 moves and squeezes the anti-detachment plate 8. The anti-detachment plate 8 moves downward due to the pressure of the liquid inside the limiting frame 5. The downward movement of the anti-detachment plate 8 will drive the anti-detachment frame 9 to move downward. The downward movement of the anti-detachment frame 9 will contact the top of the workpiece and press the workpiece. At the same time, the clamping plate 4 moves backward, which will drive the moving rod 11 to move backward. The moving rod 11 moves backward and cooperates with the moving frame 10 to support the clamping plate 4. After the workpiece is squeezed and centered, the cylinder 3 starts to operate and drive the clamping plate 4 to move forward and reset. The forward movement and reset of the clamping plate 4 will drive the pressure frame 7 to move forward and reset. The forward movement and reset of the pressure frame 7 will disengage from the workpiece. After the pressure frame 7 disengages from the workpiece, the pressure plate 6 moves backward and resets under the elastic force of the spring. The backward movement and reset of the pressure plate 6 will draw the liquid inside the limiting frame 5 and generate negative pressure. The negative pressure generated inside the limiting frame 5 will cause the anti-detachment plate 8 to move upward and reset under the action of negative pressure.

[0024] Reference Figure 1-7 Based on the above embodiments, another embodiment of the present invention further includes a guiding component and a protective component. The guiding component is used to prevent workpieces from accumulating on the top of the transport equipment 1, and the protective component is used to prevent stains from accumulating on the surface of the transport equipment 1. The guiding component includes a reciprocating hole 131, a guiding frame 132, a guiding disk 133, a stop frame 134, a linkage plate 135, a connecting frame 136, and a gear 137. The reciprocating hole 131 is opened on the front side of the transport equipment 1. The guiding frame 132 is slidably installed on the inner wall of the reciprocating hole 131. The guiding disk 133 is fixedly installed on the top rear side of the guiding frame 132. The stop frame 134 is fixedly installed on the bottom of the guiding frame 132. The linkage plate 135 is fixedly installed on the front side of the stop frame 134. The connecting frame 136 is fixedly installed on the front side of the transport equipment 1. The gear 137 is fixedly installed on the circumferential surface of the transport roller 2. The lateral force of the reciprocating guide can forcibly correct its angular deviation, making the edge of the workpiece parallel to the conveying direction, correcting the offset to the reference center position, and avoiding the failure of the centering state.

[0025] The right side of the linkage plate 135 is set as an inclined surface, the guide plate 133 contacts the clamping plate 4, and the inside of the guide frame 132 is set as an inclined surface, which contacts the clamping plate 4 through the guide plate 133. A second spring is provided between the stop frame 134 and the connecting frame 136. The second spring can support the connecting frame 136. The guide frame 132 contacts the middle of the transport equipment 1, and the stop frame 134 contacts the transport equipment 1. The gear 137 is limited by the stop frame 134 and cannot rotate. The inability of the gear 137 to rotate causes the transport roller 2 to stop rotating. The accumulated workpieces are prone to compression and deformation. Timely stopping can terminate this ineffective transport, reduce the scrap rate of workpieces, and improve transport efficiency.

[0026] The protective assembly includes a mounting hole 141, an elastic telescopic rod 142, a hollow frame 143, a linkage frame 144, a striking ring 145, and a recessed ring 146. The mounting hole 141 is located on the front side of the transport equipment 1. The elastic telescopic rod 142 is fixedly installed on the top of the inner wall of the mounting hole 141. The hollow frame 143 is fixedly installed on the free end of the elastic telescopic rod 142. The linkage frame 144 is fixedly installed on the bottom of the hollow frame 143. The striking ring 145 is fixedly installed on the free end of the elastic telescopic rod 142. The recessed ring 146 is fixedly installed on the fixed end of the elastic telescopic rod 142. The ring scrapes against the bottom of the transport equipment 1 to prevent the workpiece from slipping or deviating due to foreign object isolation, thus ensuring the stability of the conveying speed.

[0027] The bottom of the linkage frame 144 is set as an arc surface. By setting the bottom of the linkage frame 144 as an arc surface, the friction force when the linkage frame 144 contacts the linkage plate 135 can be reduced. The linkage frame 144 contacts the linkage plate 135, and the hollow frame 143 contacts the inner wall of the mounting hole 141. When the striking ring 145 moves upward, it will hit the concave ring 146 and generate vibration. The vibration of the striking ring 145 will cause the hollow frame 143 to vibrate together. The vibration can shake off the scraped oil or foreign objects from the surface of the hollow frame 143 in time, which can prevent foreign objects from accumulating on the hollow frame 143 and being brought back to the transport equipment 1, thereby ensuring the continuity of the cleaning effect.

[0028] During operation, the clamping plate 4 moves backward and contacts the guide plate 133, squeezing the guide plate 133. The guide plate 133 moves to the right under the squeezing of the clamping plate 4. The movement of the guide plate 133 to the right will drive the guide frame 132 and the stop frame 134 to move to the right. The movement of the stop frame 134 to the right will pull the spring 2. The spring 2 will deform and store force under the pull of the stop frame 134. When the clamping plate 4 moves forward and resets, it will disengage from the guide plate 133. After the guide plate 133 disengages from the clamping plate 4, the stop frame 134 moves to the left and resets under the elastic force of the spring 2. The stop frame 134 moves to the left and resets, causing the guide frame 132 to move to the left and reset. The guide frame 132 moves back and forth to guide the centered workpiece. If the workpiece position is too offset, it will accumulate at the front and rear ends on the left side of the guide frame 132. The accumulated workpiece will squeeze the guide frame 132. The guide frame 132 will move a distance to the right due to the squeeze of the accumulated workpiece. The guide frame 132 will move a distance to the right, causing the stop frame 134 to move a distance to the right. The stop frame 134 will contact the gear 137 and limit the gear 137. The gear 137 cannot rotate due to the limit of the stop frame 134. The inability of gear 137 to rotate causes the conveyor roller 2 to stop rotating, which in turn causes the conveyor equipment 1 to stop operating, prompting the operator to manually clean up the workpieces piled on top of the conveyor equipment 1.

[0029] When the stop frame 134 moves to the right, it will cause the linkage plate 135 to move to the right. When the linkage plate 135 moves to the right, it will contact the linkage frame 144 and squeeze the linkage frame 144. The linkage frame 144 moves upward due to the squeeze of the linkage plate 135. The upward movement of the linkage frame 144 will cause the hollow frame 143 to move upward. The upward movement of the hollow frame 143 will squeeze the free end of the elastic telescopic rod 142. The free end of the elastic telescopic rod 142 is squeezed by the hollow frame 143 and moves upward to retract and store force. When the stop frame 134 moves to the left to reset, it will drive the linkage plate 135 to move to the left to reset. When the linkage plate 135 moves to the left to reset, it will disengage from the linkage frame 144. After the linkage frame 144 disengages from the linkage plate 135, the hollow frame 143 moves downward to reset under the elastic force of the elastic telescopic rod 142. The hollow frame 143 reciprocates and contacts the bottom of the transport equipment 1, scraping the bottom of the transport equipment 1. At the same time, the free end of the elastic telescopic rod 142 moves upward, which will drive the striking ring 145 to move upward. The upward movement of the striking ring 145 will hit the concave ring 146 and cause it to vibrate. The vibration of the striking ring 145 will cause the hollow frame 143 to vibrate together.

[0030] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A workpiece clamping device for mechanical manufacturing, comprising a transport device (1), characterized in that, It also includes pneumatic components, guiding components and protective components. The transport equipment (1) is equipped with a transport roller (2) inside. A cylinder (3) is fixedly inserted through the front side of the transport equipment (1). A clamping plate (4) is fixedly installed at the output end of the cylinder (3). The pneumatic assembly includes a limiting frame (5), a pressure plate (6), a pressure frame (7), an anti-detachment plate (8), an anti-detachment frame (9), a moving frame (10), a moving rod (11), and a placement hole (12). The placement hole (12) is located on the rear side of the clamping plate (4). The limiting frame (5) is fixedly installed on the inner wall of the placement hole (12). The pressure plate (6) is slidably installed on the inner wall of the limiting frame (5). The pressure frame (7) is fixedly installed on the rear side of the pressure plate (6). The anti-detachment plate (8), pressure plate (9), and moving rod (10) are all located on the inner wall of the limiting frame (5). 8) The anti-detachment frame (9) is fixedly installed on the bottom of the anti-detachment plate (8), the moving frame (10) is fixedly installed on the circumferential surface of the cylinder (3), the moving rod (11) is fixedly installed on the front side of the clamping plate (4), and a spring is provided between the pressure plate (6) and the limit frame (5). The anti-detachment frame (9) is used to press the workpiece, the pressure frame (7) is used to contact the workpiece, and the clamping plate (4) is used to clamp and straighten the workpiece. The guiding component is used to prevent workpieces from piling up on top of the transport equipment (1), and the protective component is used to prevent stains from accumulating on the surface of the transport equipment (1).

2. The workpiece clamping device for mechanical manufacturing according to claim 1, characterized in that, The moving rod (11) passes through the front side of the transport equipment (1), the moving rod (11) is slidably connected to the moving frame (10), and the clamping plate (4) is in contact with the transport equipment (1).

3. The workpiece clamping device for mechanical manufacturing according to claim 2, characterized in that, A sealing ring is provided between the limiting frame (5) and the pressure plate (6), and a sealing strip is provided between the limiting frame (5) and the anti-detachment plate (8).

4. The workpiece clamping device for mechanical manufacturing according to claim 3, characterized in that, The guiding assembly includes a reciprocating hole (131), a guide frame (132), a guide disc (133), a stop frame (134), a linkage plate (135), a connecting frame (136), and a gear (137). The reciprocating hole (131) is opened on the front side of the transport equipment (1). The guide frame (132) is slidably installed on the inner wall of the reciprocating hole (131). The guide disc (133) is fixedly installed on the top rear side of the guide frame (132). The stop frame (134) is fixedly installed on the bottom of the guide frame (132). The linkage plate (135) is fixedly installed on the front side of the stop frame (134). The connecting frame (136) is fixedly installed on the front side of the transport equipment (1). The gear (137) is fixedly installed on the circumferential surface of the transport roller (2).

5. A workpiece clamping device for mechanical manufacturing according to claim 4, characterized in that, The right side of the linkage plate (135) is set as an inclined surface, the guide plate (133) is in contact with the clamping plate (4), and the inside of the guide frame (132) is set as an inclined surface.

6. A workpiece clamping device for mechanical manufacturing according to claim 5, characterized in that, A second spring is provided between the stop frame (134) and the connecting frame (136), the guide frame (132) contacts the middle of the transport equipment (1), and the stop frame (134) contacts the transport equipment (1).

7. A workpiece clamping device for mechanical manufacturing according to claim 6, characterized in that, The protective assembly includes a mounting hole (141), an elastic telescopic rod (142), a hollow frame (143), a linkage frame (144), a striking ring (145), and a concave ring (146). The mounting hole (141) is located on the front side of the transport equipment (1). The elastic telescopic rod (142) is fixedly installed on the top of the inner wall of the mounting hole (141). The hollow frame (143) is fixedly installed on the free end of the elastic telescopic rod (142). The linkage frame (144) is fixedly installed on the bottom of the hollow frame (143). The striking ring (145) is fixedly installed on the free end of the elastic telescopic rod (142). The concave ring (146) is fixedly installed on the fixed end of the elastic telescopic rod (142).

8. A workpiece clamping device for mechanical manufacturing according to claim 7, characterized in that, The bottom of the linkage frame (144) is set as an arc surface, the linkage frame (144) is in contact with the linkage plate (135), and the hollow frame (143) is in contact with the inner wall of the mounting hole (141).

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