Clamp for grinding

Abstract

A clamp for grinding comprises a bottom plate, two pairs of guide holes are formed in the bottom plate, the length direction of the guide holes is parallel to the width direction of the bottom plate, a supporting plate is arranged at one end of the bottom plate, and a pair of long-strip-shaped holes are formed in the supporting plate. An end seat is installed at the outer side end of the supporting plate, a lead screw is rotationally arranged on the end seat, an end plate is rotationally arranged at the other end of the lead screw, a movable seat is arranged on the lead screw, a movable plate is installed at the upper end of the movable seat, a guide block is arranged at the upper end of the movable plate, a guide sleeve is arranged on the guide block in a sleeving mode, the guide sleeve is installed on the bottom plate, and two pairs of connecting plates are hinged to the movable plate. The connecting plates located on the same side are parallel to each other, protruding plates are hinged to the other ends of the connecting plates, movable plates are arranged at the other ends of the protruding plates located on the same side, movable rods are arranged on the movable plates and penetrate through the guide holes, clamping outer plates are arranged at the upper ends of the movable rods located on the same side, and clamping blocks are installed on the inner walls of the clamping outer plates. According to the clamping device, a plurality of workpieces can be clamped conveniently, and the clamping stability can be improved during clamping.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a grinding clamp. Background Art

[0002] After the casting is formed by casting, its outer wall is relatively rough. The outer wall is commonly treated by sandblasting or grinding. Sandblasting can improve the roughness of the workpiece after treatment, but the degree of refinement of this treatment method is low. Therefore, it is necessary to perform fine grinding operations by grinding. The current grinding method is to clamp a single workpiece with a table clamp, and then perform grinding operations with an angle grinder, etc. Because the number of workpieces that can be clamped by the table clamp is small, the grinding efficiency is reduced. Utility Model Content

[0003] The utility model provides a grinding clamp to solve the deficiencies of the above-mentioned prior art. Under the premise of ensuring stable clamping, it can perform clamping operations on multiple workpieces, thereby improving the grinding efficiency and having strong practicality.

[0004] In order to achieve the purpose of this utility model, the following technologies are proposed:

[0005] A grinding fixture comprises a base plate, two pairs of guide holes are formed on the base plate, the length direction of the guide holes is parallel to the width direction of the base plate, a support plate is formed at one end of the base plate, a pair of long holes are formed on the support plate, an end seat is installed at the outer end of the support plate, a screw rod is rotatably provided on the end seat, an end plate is rotatably provided at the other end of the screw rod, a movable seat is provided on the screw rod, a movable plate is installed at the upper end of the movable seat, a guide block is provided at the upper end of the movable plate, a guide sleeve is sleeved on the guide block, the guide sleeve is installed on the base plate, two pairs of connecting plates are hinged on the movable plate, the connecting plates on the same side are parallel to each other, a convex plate is hinged at the other end of the connecting plate, a movable plate is provided at the other end of the convex plate on the same side, a movable rod is provided on the movable plate, the movable rod passes through the guide hole, a clamping outer plate is provided at the upper end of the movable rod on the same side, and a clamping block is installed on the inner wall of the clamping outer plate. Through the provided screw rod, when it rotates, the movable seat and the movable plate thereon can be moved, and as the movable plate moves, the angle between the length direction of the connecting plate and the length direction of the movable plate will change, and during the clamping process, the angle between the length direction of the connecting plate and the length direction of the movable plate will decrease, and as the angle between the two decreases, the clamping blocks will approach each other, and then the workpiece will be clamped by the clamping blocks, and the clamping blocks can perform clamping operations on multiple workpieces, thereby improving the grinding efficiency.

[0006] Furthermore, a rotating cap is provided at one end of the screw rod to facilitate the rotation of the screw rod.

[0007] Furthermore, a limiting groove is provided on the inner wall of the clamping block, and the lower end of the limiting groove supports and limits the workpiece to prevent the existence of risers and the like from affecting the clamping.

[0008] Furthermore, a plurality of clamping grooves are provided on the vertical wall of the limiting groove, and the clamping effect can be improved by the clamping grooves.

[0009] Furthermore, an end block is installed on the bottom plate, the end block is located at one end of the clamping block, a pull plate is installed at one end of the movable plate, a pair of connecting rods are arranged on the pull plate, the connecting rods are passed through the long strip hole, a movable outer plate is installed on the upper end of the connecting rod, an adjusting screw is arranged on the movable outer plate, an inner push plate is rotatably arranged on the inner end of the adjusting screw, the inner push plate is located at the other end of the clamping block, a pair of guide rods are arranged on the inner push plate, and the guide rods are passed through the movable outer plate. The two sides of the workpiece can be limited by the end block and the inner push plate, in this way, the workpieces can be closely attached to each other, and the stability of clamping multiple workpieces can be ensured. At the same time, when limiting the outer side, the movement of the movable plate is used to achieve the limitation of the outer side. In addition, the position of the inner push plate can be adjusted as needed, thereby further improving the limiting effect.

[0010] The advantages of the above technical solution are:

[0011] The utility model facilitates the clamping of multiple workpieces and can improve the clamping stability during clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0013] Figure 1 The three-dimensional structure of one embodiment is shown Figure 1 .

[0014] Figure 2 The three-dimensional structure of one embodiment is shown Figure 2 .

[0015] Figure 3 The three-dimensional structure of one embodiment is shown Figure 3 . DETAILED DESCRIPTION

[0016] like Figure 1~Figure 3 As shown, a grinding fixture includes a base plate 1, on which two pairs of guide holes 10 are opened, and the length direction of the guide holes 10 is parallel to the width direction of the base plate 1. A support plate 11 is provided at one end of the base plate 1, and a pair of long holes 12 are opened on the support plate 11.

[0017] An end seat 2 is installed at the outer end of the support plate 11 , a screw rod 20 is rotatably provided on the end seat 2 , and a rotating cap 21 is provided at one end of the screw rod 20 . The other end of the screw rod 20 is rotatably provided with an end plate 22, and a moving seat 23 is provided on the screw rod 20. A moving plate 24 is installed on the upper end of the moving seat 23. A guide block is provided on the upper end of the moving plate 24. A guide sleeve is provided on the guide block. The guide sleeve is installed on the bottom plate 1. Two pairs of connecting plates 26 are hinged on the moving plate 24. The connecting plates 26 located on the same side are parallel to each other. A convex plate 27 is hinged on the other end of the connecting plate 26. A movable plate 28 is provided at the other end of the convex plate 27 located on the same side. A movable rod 29 is provided on the movable plate 28. The movable rod 29 passes through the guide hole 10. A clamping outer plate 4 is provided on the upper end of the movable rod 29 located on the same side. A clamping block 40 is installed on the inner wall of the clamping outer plate 4. A limiting groove 42 is provided on the inner wall of the clamping block 40, and a plurality of clamping grooves 41 are provided on the vertical wall of the limiting groove 42. An end block 5 is installed on the bottom plate 1, and the end block 5 is located at one end of the clamping block 40. A pull plate 3 is installed at one end of the movable plate 24. A pair of connecting rods 30 are provided on the pull plate 3. The connecting rods 30 pass through the long holes 12. A movable outer plate 31 is installed on the upper end of the connecting rods 30. An adjusting screw 32 is provided on the movable outer plate 31. An inner push plate 33 is rotatably provided at the inner end of the adjusting screw 32. The inner push plate 33 is located at the other end of the clamping block 40. A pair of guide rods 34 are provided on the inner push plate 33. The guide rods 34 pass through the movable outer plate 31.

[0018] In addition, the present embodiment also provides a pair of grinding mechanisms, which include a pair of mounting plates installed on a frame, rollers are rotatably provided at both ends of the mounting plates, a grinding motor is installed at one end of the mounting plates, the output shaft of the grinding motor is connected to one of the rollers, and a grinding belt 7 is provided on the roller, wherein the inclination angle of the mounting plate can be adjusted according to the external structure of the workpiece, so as to achieve the purpose of the grinding belt 7 being able to grind the inclined surface.

[0019] When grinding, the operator places multiple workpieces between the clamping blocks 40, and then rotates the screw rod 20 through the rotating cap 21. The rotation of the screw rod 20 will drive the movable seat 23 to move, and the movement of the movable seat 23 will drive the movable plate 24 to move. When the movable plate 24 moves, the guide sleeve plays a role of limiting guidance, and when the movable plate 24 moves, the angle between the length direction of the connecting plate 26 and the length direction of the movable plate 24 will be reduced, and then the movable plate 28 is pulled inward along the length direction of the guide hole 10 by the connecting plate 26, and the movement of the movable plate 28 will drive the clamping block 40 to move, and finally the workpiece placed therebetween is clamped by the clamping block 40, and after clamping, the inner push plate 33 can be pulled inward by the pulling plate 3, so that the workpieces are pushed closer to each other by the inner push plate 33. After clamping is completed, the grinding motor is started, and the outer wall of the workpiece is ground by the grinding belt 7.

[0020] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalents, the utility model is also intended to include these modifications and variations.

Claims

1. A grinding fixture, characterized in that: The bottom plate (1) comprises two pairs of guide holes (10) formed on the bottom plate (1), the length direction of the guide holes (10) being parallel to the width direction of the bottom plate (1), a support plate (11) being provided at one end of the bottom plate (1), and a pair of long holes (12) being formed on the support plate (11); An end seat (2) is installed at the outer end of the support plate (11), a screw rod (20) is rotatably provided on the end seat (2), an end plate (22) is rotatably provided at the other end of the screw rod (20), a movable seat (23) is provided on the screw rod (20), a movable plate (24) is installed at the upper end of the movable seat (23), a guide block is provided at the upper end of the movable plate (24), a guide sleeve is sleeved on the guide block, and the guide sleeve is installed on the bottom plate (1), two pairs of connecting plates (26) are hinged on the movable plate (24), the connecting plates (26) located on the same side are parallel to each other, a convex plate (27) is hinged at the other end of the connecting plate (26), a movable plate (28) is provided at the other end of the convex plate (27) located on the same side, and a movable rod (29) is provided on the movable plate (28), the movable rod (29) passes through the guide hole (10), and a clamping outer plate (4) is provided at the upper end of the movable rod (29) located on the same side, and a clamping block (40) is installed on the inner wall of the clamping outer plate (4).

2. The grinding fixture according to claim 1, characterized in that: A rotating cap (21) is provided at one end of the screw rod (20).

3. The grinding fixture according to claim 1, characterized in that: A limiting groove (42) is provided on the inner wall of the clamping block (40).

4. The grinding fixture according to claim 3, characterized in that: A plurality of clamping grooves (41) are provided on the vertical wall of the limiting groove (42).

5. The grinding fixture according to claim 1, characterized in that: An end stopper (5) is installed on the bottom plate (1), and the end stopper (5) is located at one end of the clamping block (40). A pull plate (3) is installed on one end of the movable plate (24). A pair of connecting rods (30) are provided on the pull plate (3), and the connecting rods (30) are passed through the long holes (12). A movable outer plate (31) is installed on the upper end of the connecting rod (30), and an adjusting screw rod (32) is provided on the movable outer plate (31). The inner side end of the adjusting screw rod (32) is rotatably provided with an inner push plate (33), and the inner push plate (33) is located at the other end of the clamping block (40). A pair of guide rods (34) are provided on the inner push plate (33), and the guide rods (34) are passed through the movable outer plate (31).

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