Clamping structure for polishing automobile die casting

Abstract

The utility model discloses a clamping structure for automobile die casting polishing, which comprises a bottom plate, a spiral clamping mechanism, a clamping plate fixing mechanism and a quick clamping mechanism, the spiral clamping mechanism comprises a fixed plate, a clamping disc, a moving groove, a moving block, a clamping plate, a spiral plate and a spiral groove, the clamping plate fixing mechanism comprises a clamping pipe, a spiral pipe, a thrust bearing, a directional pushing pipe, a connecting rod and an inner pushing pipe, the rapid clamping mechanism comprises an inclined block, a gradient pushing block, a clamping rod, a clamping spring, a locking plate and a gradient locking ring, a stable supporting platform is provided, fixing of a clamping disc and accurate positioning of a moving block are ensured, the clamping pipe provides fixing and guiding effects, and the clamping plate fixing mechanism is convenient to use. Rapid adjustment of the clamping mechanism is achieved through rotation of the spiral pipe, the inclined block provides a sliding path for the gradient push block, and rapid locking and unlocking of the clamping rod are achieved through sliding of the gradient push block.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping, and more specifically, it relates to a clamping structure for grinding automotive die-castings. Background Art

[0002] A clamping structure for grinding automotive die-castings is a device used to fix and stabilize die-castings during the grinding process for surface treatment. This structure is usually applied in the automotive manufacturing industry, especially in the post-treatment stage of aluminum alloy or magnesium alloy die-castings.

[0003] In the existing technology, firstly, some devices may result in insufficient clamping force, unable to firmly fix automotive die-castings, affecting the grinding quality. It may not be possible to finely adjust the clamping force of the clamping plate, limiting the operation flexibility. It may lead to complex operations when replacing the clamping plate, reducing work efficiency. Secondly, some devices lead to a decrease in the overall structural stability, affecting the grinding accuracy. It may make the movement and positioning of the clamping plate complex, increasing the operation difficulty. The clamping plate may move unexpectedly during operation, increasing the operation risk. Finally, in some devices, the connection between the clamping plate and the clamping pipe is not firm, affecting the grinding effect. It makes the quick connection and disassembly of the clamping plate difficult, reducing work efficiency. It may cause the clamping rod to unlock unexpectedly during operation, increasing the operation risk. Summary of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the problems existing in the prior art, the utility model provides a clamping structure for grinding automotive die-castings to solve the technical problems such as unable to firmly fix automotive die-castings and the complex movement and positioning of the clamping plate mentioned in the background art.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A clamping structure for grinding automotive die-castings, including a bottom plate, a spiral clamping mechanism, a clamping plate fixing mechanism, and a quick clamping mechanism. The spiral clamping mechanism includes a fixing plate, a clamping disc, movement grooves, movement blocks, clamping plates, spiral plates, and spiral grooves. The clamping disc is fixedly installed on the top of the fixing plate. Multiple groups of movement grooves are provided on the clamping disc. The movement blocks are arranged in the movement grooves. The spiral grooves are provided on the spiral plates, and the bottom of the movement blocks is arranged in a spiral pushing fit with the spiral grooves. The clamping plates are detachably arranged on the tops of the movement blocks. The clamping plate fixing mechanism includes a clamping pipe, a spiral pipe, a thrust bearing, a directional pushing pipe, a connecting rod, and an inner pushing pipe. The spiral pipe is rotatably arranged on the outer wall of the clamping pipe. The thrust bearing is arranged in cooperation at the bottom of the spiral pipe. The directional pushing pipe is installed in cooperation at the bottom of the clamping pipe. The inner pushing pipe is movably installed on the inner wall of the clamping pipe, and the inner pushing pipe is connected to the directional pushing pipe through the connecting rod.

[0008] The utility model is further configured such that the quick clamping mechanism includes an inclined block, a slope pushing block, a clamping rod, a clamping spring, a locking plate and a slope locking ring. The clamping rod can be movably inserted into the clamping pipe. The slope locking ring is arranged on the side surface of the clamping rod. A plurality of groups of inclined blocks are arranged on the inner wall of the clamping pipe. The bottom end of the slope pushing block slides directionally on the inclined block, and the top end of the slope pushing block is in contact connection with the inner pushing pipe. The clamping spring is arranged on the side surface of the slope pushing block. The locking plate is installed at one end of the clamping spring, and the locking plate can cooperate with the slope locking ring to lock the clamping rod in the clamping pipe.

[0009] The utility model is further configured such that a reset spring is installed at one end inside the clamping pipe, and the other end of the reset spring is in cooperation connection with the slope pushing block. The arrangement of the reset spring enables the slope pushing block to quickly return to the initial position after unlocking, facilitating the next operation.

[0010] The utility model is further configured such that a turning handle is installed on the side surface of the clamping disc, and a turning rod is vertically arranged on the turning handle. The arrangement of the turning handle and the turning rod provides a manual operation interface, enabling the user to conveniently control the rotation of the spiral clamping mechanism.

[0011] The utility model is further configured such that a rotating groove is formed in the top end face of the bottom plate. One end of the turning rod is installed with a rotating block, and the rotating block can be embedded in the rotating groove for rotational sliding setting. The arrangement of the rotating block and the rotating groove realizes the rotational sliding setting, improving the smoothness of the operation.

[0012] The utility model is further configured such that a longitudinal plate is installed on the top end face of the moving block, and a connecting plate is installed at the top end of the side wall of the clamping pipe, and the connecting plate is fixedly installed on the longitudinal plate. The longitudinal plate and the connecting plate provide additional fixing points, enhancing the structural stability.

[0013] The utility model is further configured such that one end of the clamping rod is in cooperation connection with the clamping plate, and one end of the clamping rod extends through the longitudinal plate and further extends into the clamping pipe, realizing the quick connection and disassembly of the longitudinal plate and the clamping plate.

[0014] The utility model is further configured such that a base is provided on the top end face of the bottom plate, and the bottom end face of the fixing plate is fixedly installed on the top end face of the base. The base provides a stable foundation for the whole structure, ensuring the accuracy and repeatability of the operation.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a clamping structure for grinding automotive die-castings, having the following beneficial effects:

[0017] The utility model is provided with a spiral clamping mechanism, which provides a stable support platform, ensures the fixation of the clamping disc and the precise positioning of the moving block, allows the moving block to slide on the clamping disc, realizes the precise adjustment and positioning of the clamping plate, and enables the moving block to smoothly move along the spiral groove through the spiral pushing arrangement, thereby adjusting the clamping force of the clamping plate.

[0018] The utility model is provided with a clamping plate fixing mechanism. The clamping pipe provides fixation and guiding functions. The rotation of the spiral pipe realizes the rapid adjustment of the clamping mechanism. The thrust bearing provides rotational support. The directional push pipe ensures the linear movement of the inner push pipe. The movable installation of the inner push pipe and the connection of the connecting rod enable the relevant components to move along a predetermined trajectory, improving the operation flexibility.

[0019] The utility model is provided with a quick clamping mechanism. The inclined block provides a sliding path for the slope push block. The sliding of the slope push block realizes the quick locking and unlocking of the clamping rod. The movable insertion of the clamping rod and the cooperation of the slope lock ring ensure the safe and quick connection of the clamping structure. The clamping spring provides elastic support. The cooperation of the lock plate and the slope lock ring realizes the stable locking of the clamping rod. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the overall structure of the device in the utility model in the unused state;

[0021] Figure 2 It is a schematic diagram of the overall structure of the device in the utility model from the side view;

[0022] Figure 3 It is a schematic diagram of the internal structure of the spiral clamping mechanism in the utility model;

[0023] Figure 4 It is a schematic diagram of the structures of the clamping plate fixing mechanism and the quick clamping mechanism in the utility model;

[0024] Figure 5 It is a schematic diagram of the internal structures of the clamping plate fixing mechanism and the quick clamping mechanism in the utility model.

[0025] In the figure: 1, base plate; 2, fixing plate; 3, clamping disc; 4, movement groove; 5, moving block; 6, clamping plate; 7, spiral plate; 8, spiral groove; 9, clamping pipe; 10, spiral pipe; 11, thrust bearing; 12, directional push pipe; 13, connecting rod; 14, inner push pipe; 15, inclined block; 16, slope push block; 17, clamping rod; 18, clamping spring; 19, lock plate; 20, slope lock ring; 21, return spring; 22, turning handle; 23, turning rod; 24, turning groove; 25, turning block; 26, vertical plate; 27, connecting plate; 28, base. Detailed Embodiment

[0026] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments may be combined with each other. The following will describe the present utility model in detail with reference to the drawings and in combination with the embodiments.

[0027] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.

[0028] In the present utility model, unless otherwise stated, the orientations such as "upper, lower" are usually in the direction shown in the drawings, or in the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are usually in the left and right shown in the drawings; "inside, outside" refer to the inside and outside relative to the contour of each component itself, but the above orientation terms are not used to limit the present utility model.

[0029] Please refer to Figures 1-5 , a clamping structure for grinding automotive die-castings, including a bottom plate 1, a spiral clamping mechanism, a clamping plate fixing mechanism and a quick clamping mechanism. The spiral clamping mechanism includes a fixing plate 2, a clamping disc 3, movement grooves 4, movement blocks 5, clamping plates 6, a spiral plate 7 and a spiral groove 8. The clamping disc 3 is fixedly installed on the top of the fixing plate 2. A plurality of groups of movement grooves 4 are provided on the clamping disc 3. The movement blocks 5 are arranged in the movement grooves 4. The spiral groove 8 is provided on the spiral plate 7, and the bottom of the movement block 5 is arranged in a spiral pushing fit with the spiral groove 8. The clamping plate 6 is detachably arranged on the top of the movement block 5. The clamping plate fixing mechanism includes a clamping pipe 9, a spiral pipe 10, a thrust bearing 11, a directional push pipe 12, a connecting rod 13 and an inner push pipe 14. The spiral pipe 10 is rotatably arranged on the outer wall of the clamping pipe 9. The thrust bearing 11 is arranged in cooperation at the bottom of the spiral pipe 10. The directional push pipe 12 is installed in cooperation at the bottom of the clamping pipe 9. The inner push pipe 14 is movably installed on the inner wall of the clamping pipe 9, and the inner push pipe 14 is connected to the directional push pipe 12 through the connecting rod 13.

[0030] In this embodiment, the clamping disc 3 is fixedly installed on the top of the fixing plate 2. A plurality of groups of movement grooves 4 are provided on the clamping disc 3. The movement blocks 5 are arranged in the movement grooves 4. The operator drives the spiral plate 7 to rotate. The bottom of the movement block 5 is arranged in a spiral pushing fit with the spiral groove 8. As the spiral plate 7 rotates, the movement block 5 makes a clamping movement in the movement groove 4. The clamping plate 6 is detachably arranged on the top of the movement block 5 and is used for clamping automotive die-castings. The spiral pipe 10 is rotatably arranged on the outer wall of the clamping pipe 9. The operator rotates the spiral pipe 10. The spiral pipe 10 cooperates with the thrust bearing 11 to make the directional push pipe 12 push directionally on the outer wall of the clamping pipe 9. The inner push pipe 14 is movably installed on the inner wall of the clamping pipe 9. The inner push pipe 14 is connected to the directional push pipe 12 through the connecting rod 13 and is used to control the movement of the slope push block 16.

[0031] The quick clamping mechanism includes an inclined block 15, a slope pushing block 16, a clamping rod 17, a clamping spring 18, a locking plate 19 and a slope locking ring 20. The clamping rod 17 can be movably inserted into the clamping pipe 9. The slope locking ring 20 is arranged on the side surface of the clamping rod 17. A plurality of groups of inclined blocks 15 are arranged on the inner wall of the clamping pipe 9. The bottom end of the slope pushing block 16 slides directionally on the inclined block 15, and the top end of the slope pushing block 16 is in contact connection with the inner pushing pipe 14. The clamping spring 18 is arranged on the side surface of the slope pushing block 16. The locking plate 19 is installed at one end of the clamping spring 18, and the locking plate 19 can cooperate with the slope locking ring 20 to lock the clamping rod 17 in the clamping pipe 9.

[0032] In this embodiment, the clamping rod 17 can be movably inserted into the clamping pipe 9. The slope locking ring 20 is arranged on the side surface of the clamping rod 17. At this time, the clamping plate fixing mechanism enables the slope pushing block 16 to move on the inclined block 15, causing the clamping spring 18 on the side surface of the slope pushing block 16 to contract inward, enabling the locking plate 19 to cooperate and lock with the slope locking ring 20 on the outer wall of the clamping rod 17, locking the clamping rod 17 in the clamping pipe 9, and realizing the quick connection and disassembly of the clamping plate 6 and the moving block 5.

[0033] Please refer to Figures 1-5 , as a supplementary implementation method of a clamping structure for grinding automotive die-castings for the screw clamping mechanism, the clamping plate fixing mechanism and the quick clamping mechanism: A return spring 21 is installed at one end inside the clamping pipe 9, and the other end of the return spring is in cooperative connection with the slope pushing block 16. A turning handle 22 is installed on the side surface of the clamping disc 3, and a turning rod 23 is vertically arranged on the turning handle 22. A turning groove 24 is formed on the top end face of the bottom plate 1. One end of the turning rod 23 is installed with a turning block 25, and the turning block 25 can be embedded into the turning groove for rotational sliding setting. A longitudinal plate 26 is installed on the top end face of the moving block 5. A connecting plate 27 is installed at the top end of the side wall of the clamping pipe 9, and the connecting plate 27 is fixedly installed on the longitudinal plate 26. One end of the clamping rod 17 is in cooperative connection with the clamping plate 6, and one end of the clamping rod 17 passes through the longitudinal plate 26 and further extends into the clamping pipe 9, realizing the quick connection and disassembly of the longitudinal plate 26 and the clamping plate 6. A base 28 is arranged on the top end face of the bottom plate 1, and the bottom end face of the fixing plate 2 is fixedly installed on the top end face of the base 28.

[0034] More specifically, the return spring 21 provides a restoring force, enabling the slope pushing block 16 to quickly return to the initial position after unlocking, facilitating the next operation. The turning handle 22 and the turning rod 23 provide a manual operation interface, enabling the user to conveniently control the rotation of the screw clamping mechanism. The turning block 25 is embedded into the turning groove 24 to achieve rotational sliding setting, improving the smoothness of the operation. The longitudinal plate 26 and the connecting plate 27 provide additional fixing points, enhancing the structural stability. The base provides a stable foundation for the entire structure, ensuring the accuracy and repeatability of the operation.

[0035] In summary, when the overall device is in use or operation: when the operation of the spiral clamping mechanism is required, the clamping disc 3 is fixedly installed on the top of the fixing plate 2. A plurality of movement grooves 4 are provided on the clamping disc 3, and movement blocks 5 are arranged in the movement grooves 4. The operator drives the spiral plate 7 to rotate, and the bottom of the movement block 5 is in cooperation with the spiral groove 8 for spiral pushing. As the spiral plate 7 rotates, the movement block 5 makes a clamping movement in the movement groove 4. The clamping plate 6 is detachably arranged on the top of the movement block 5 and is used for clamping automotive die-castings.

[0036] When the operation of the clamping plate fixing mechanism is required, the spiral tube 10 is rotatably arranged on the outer wall of the clamping pipe 9. The operator rotates the spiral tube 10, and the spiral tube 10 cooperates with the thrust bearing 11 to push the directional push tube 12 directionally on the outer wall of the clamping pipe 9. The inner push tube 14 is movably installed on the inner wall of the clamping pipe 9, and the inner push tube 14 is connected to the directional push tube 12 through the connecting rod 13 and is used to control the movement of the slope push block 16.

[0037] When the operation of the quick clamping mechanism is required, the clamping rod 17 can be movably inserted into the clamping pipe 9, and the slope locking ring 20 is arranged on the side of the clamping rod 17. At this time, the clamping plate fixing mechanism makes the slope push block 16 move on the inclined block 15, so that the clamping spring 18 on the side of the slope push block 16 contracts inward, and the lock plate 19 cooperates with the slope locking ring 20 on the outer wall of the clamping rod 17 to lock, so that the clamping rod 17 is locked in the clamping pipe 9, realizing the quick connection and disassembly of the clamping plate 6 and the movement block 5.

[0038] In all the solutions mentioned above, for the connection between two components, welding, connection with bolts and nuts, connection with bolts or screws, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated one by one here. For those mentioned above that involve fixed connection, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A clamping structure for polishing automobile die castings, comprising a base plate (1), a spiral clamping mechanism, a clamping plate fixing mechanism and a quick clamping mechanism, wherein: The spiral clamping mechanism comprises a fixed plate (2), a clamping disc (3), a moving groove (4), a moving block (5), a clamping plate (6), a spiral plate (7) and a spiral groove (8); the clamping disc (3) is fixedly mounted on the top of the fixed plate (2); a plurality of groups of moving grooves (4) are arranged on the clamping disc (3); the moving block (5) is arranged in the moving groove (4); the spiral groove (8) is arranged on the spiral plate (7); the bottom of the moving block (5) is arranged to cooperate with the spiral groove (8) for spiral pushing; the clamping plate (6) is detachably arranged on the top of the moving block (5) The clamp fixing mechanism comprises a clamping tube (9), a spiral tube (10), a thrust bearing (11), a directional push tube (12), a connecting rod (13) and an inner push tube (14); the spiral tube (10) is rotatably arranged on the outer wall of the clamping tube (9); the thrust bearing (11) is cooperatively arranged on the bottom of the spiral tube (10); the directional push tube (12) is cooperatively installed on the bottom of the clamping tube (9); the inner push tube (14) is movably installed on the inner wall of the clamping tube (9); and the inner push tube (14) is connected to the directional push tube (12) via a connecting rod (13).

2. The clamping structure for polishing automotive die castings according to claim 1 is characterized in that: The quick clamping mechanism comprises an inclined block (15), a slope push block (16), a clamping rod (17), a clamping spring (18), a locking plate (19) and a slope locking ring (20); the clamping rod (17) can be movably extended into the clamping tube (9); the slope locking ring (20) is arranged on the side of the clamping rod (17); a plurality of groups of inclined blocks (15) are arranged on the inner wall of the clamping tube (9); the bottom end of the slope push block (16) slides on the inclined block (15) in a directional manner, and the top end of the slope push block (16) is in contact with and connected to the inner push tube (14); the clamping spring (18) is arranged on the side of the slope push block (16); the locking plate (19) is installed at one end of the clamping spring (18), and the locking plate (19) can cooperate with the slope locking ring (20) to lock the clamping rod (17) in the clamping tube (9).

3. The clamping structure for polishing automotive die castings according to claim 1 is characterized in that: A return spring (21) is installed at one end of the inner part of the clamping tube (9), and the other end of the return spring is matched and connected with the slope push block (16).

4. The clamping structure for polishing automotive die castings according to claim 1 is characterized in that: A turning handle (22) is installed on the side of the clamping plate (3), and a turning rod (23) is vertically arranged on the turning handle (22).

5. The clamping structure for polishing automotive die castings according to claim 1 is characterized in that: The top end surface of the bottom plate (1) is provided with a rotation groove (24), one end of the rotation rod (23) is provided with a rotation block (25), and the rotation block (25) can be embedded in the rotation groove to cooperate with the rotation and sliding arrangement.

6. The clamping structure for polishing automotive die castings according to claim 1 is characterized in that: A longitudinal plate (26) is installed on the top end surface of the moving block (5), a connecting plate (27) is installed on the top end of the side wall of the clamping tube (9), and the connecting plate (27) is fixedly installed on the longitudinal plate (26).

7. The clamping structure for polishing automotive die castings according to claim 2 is characterized in that: One end of the clamping rod (17) is connected to the clamping plate (6), and one end of the clamping rod (17) extends through the longitudinal plate (26) and further extends into the clamping tube (9), thereby realizing rapid connection and disassembly of the longitudinal plate (26) and the clamping plate (6).

8. The clamping structure for polishing automotive die castings according to claim 1 is characterized in that: The top end surface of the bottom plate (1) is provided with a base (28), and the bottom end surface of the fixed plate (2) is fixedly mounted on the top end surface of the base (28).

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