Clamp of surface grinding machine

Abstract

The utility model discloses a surface grinding machine clamp, which belongs to the technical field of grinding machine clamps and comprises a machine table and a lifting plate, the machine table is positioned at the bottom of the lifting plate, two sides of the top of the machine table are respectively and fixedly connected with a first fixing table and a second fixing table through bolts, and two sides of the bottom of the lifting plate are respectively provided with a through groove. The top of the first fixing table and the top of the second fixing table both penetrate through the through groove and extend upwards, a rotating mechanism is arranged on one side of the first fixing table, and an adjusting mechanism is arranged in an inner cavity of the machine table. A second rotating shaft drives a clamping block to rotate, so that an operator can turn over a workpiece conveniently and conveniently, the operator can grind the other face of the workpiece conveniently, time and labor are saved, meanwhile, a movable block drives the workpiece to adjust the height position, the clamping block can fix the workpiece from the middle positions of the two sides of the workpiece, and the work efficiency is improved. And the workpiece clamping stability is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinder fixtures, in particular to a surface grinder fixture. Background Art

[0002] A surface grinder is a type of grinder that mainly uses a grinding wheel to rotate and grind the workpiece so that it can achieve the required flatness. According to the shape of the worktable, it can be divided into two types: a rectangular worktable and a circular worktable. The main parameters of a rectangular worktable surface grinder are the width and length of the worktable, and the main parameter of a circular worktable is the diameter of the worktable surface. Common grinder fixtures are not convenient for automatically turning over the workpiece during the processing process, and are therefore inconvenient to use.

[0003] After searching, in the prior art, Chinese patent application number: CN202221489727.7, application date: 2022-06-15, discloses an adjustable clamp for a surface grinder. The utility model, through the setting of a second height adjustment mechanism and a fixed plate, can adjust the height of the clamping head when clamping a higher workpiece, so that the clamping head can be clamped near the middle of the workpiece, which improves the clamping stability compared to clamping at the bottom. At the same time, through the setting of a support block and a first height adjustment mechanism, when clamping a thinner workpiece, the thinner clamp can be supported by adjusting the height of the support block so that the end face to be flattened can be exposed outside the clamping plate for grinding. At the same time, the support block improves the stability of clamping, making it more convenient to use and increasing the flexibility of the device.

[0004] However, the device has the problem that the grinder fixture is not convenient for realizing automatic turning over of the workpiece during the processing, and is relatively inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a surface grinder fixture, which can conveniently drive a workpiece to turn over through a rotating mechanism and is more convenient to use, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface grinder fixture, comprising a machine table and a lifting plate, the machine table is located at the bottom of the lifting plate, and the two sides of the top of the machine table are respectively fixedly connected with a first fixed table and a second fixed table by bolts, and through grooves are opened on both sides of the bottom of the lifting plate, and the tops of the first fixed table and the second fixed table pass through the through grooves and extend upward, a rotating mechanism is provided on one side of the first fixed table, and an adjustment mechanism is provided in the inner cavity of the machine table, and the top of the lifting plate is fixedly connected with a placing table by bolts.

[0007] Preferably, the rotating mechanism includes a first motor, a first rotating shaft, a first sprocket, a second sprocket, a second rotating shaft, a first limit plate, a second limit plate, an equipment box, an electric push rod and a clamping block, the first motor is fixedly assembled on one side of the inner cavity of the first fixed platform, the output shaft of the first motor is fixedly connected to the first rotating shaft through a coupling, one side of the first rotating shaft passes through the first fixed platform and is fixedly connected to the first sprocket by bolts, the top of the first sprocket is connected to the second sprocket through a chain drive, one side of the second sprocket is fixedly connected to the second rotating shaft by bolts, and the top of the first fixed platform is fixedly connected to the first limit plate by bolts.

[0008] Preferably, one side of the second rotating shaft passes through the first limiting plate and extends to the outside, and a bearing is provided at the connection between the second rotating shaft and the first limiting plate.

[0009] Preferably, the top of the second fixed platform is fixedly connected to the second limit plate by bolts, one side of the second limit plate is rotatably connected to the third rotating shaft by a bearing, the inner sides of the third rotating shaft and the second rotating shaft are fixedly connected to the equipment box by bolts, and the corresponding side of the inner cavity of the equipment box is fixedly equipped with an electric push rod, and the telescopic rod of the electric push rod passes through the equipment box and is fixedly connected to the clamping block by bolts.

[0010] Preferably, the adjusting mechanism includes a second motor, a screw rod, a movable block, an L-shaped limit plate and a limit groove. The second motor is fixedly mounted on the lower wall of the inner cavity of the machine platform. The output shaft of the second motor is fixedly connected to the screw rod through a coupling. The top of the screw rod is threadedly connected to the movable block. The top of the movable block passes through the machine platform and is fixedly connected to the bottom of the lifting plate by bolts.

[0011] Preferably, both sides of the bottom of the lifting plate are fixedly connected with L-shaped limit plates by bolts, both sides of the inner cavity of the machine are provided with limit grooves, and the bottom of the L-shaped limit plates passes through the machine and is slidably connected to the inner cavity of the limit grooves.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a surface grinder fixture. After one side of a workpiece is ground, the clamping block is driven to rotate through the second rotating shaft, so that the operator can easily turn the workpiece over, and then it is convenient for the operator to grind the other side of the workpiece, which saves time and effort and greatly reduces the work intensity of the operator.

[0014] 2. The utility model provides a surface grinder fixture, which drives the lifting plate to rise and fall through the movable block, so as to adjust the height position of the workpiece on the top of the placement table, so that the clamping block can fix the workpiece from the center position on both sides of the workpiece, which greatly increases the stability of the workpiece clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the machine of the utility model;

[0017] Figure 3 It is a schematic diagram of the enlarged structure of area A of the present utility model.

[0018] Numbers in the figure: 1. Machine table; 2. Lifting plate; 3. First fixed table; 4. Second fixed table; 5. Through slot; 6. Rotating mechanism; 61. First motor; 62. First rotating shaft; 63. First sprocket; 64. Second sprocket; 65. Second rotating shaft; 66. First limit plate; 67. Second limit plate; 68. Equipment box; 69. Electric push rod; 610. Clamping block; 7. Adjusting mechanism; 71. Second motor; 72. Screw; 73. Movable block; 74. L-shaped limit plate; 75. Limit slot; 8. Placement table. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model provides Figures 1 to 3 A surface grinder fixture shown in the figure includes a machine table 1 and a lifting plate 2, the machine table 1 is located at the bottom of the lifting plate 2, and the two sides of the top of the machine table 1 are respectively fixedly connected with a first fixed table 3 and a second fixed table 4 by bolts, and through grooves 5 are opened on both sides of the bottom of the lifting plate 2, and the tops of the first fixed table 3 and the second fixed table 4 pass through the through grooves 5 and extend upward, a rotating mechanism 6 is arranged on one side of the first fixed table 3, and an adjusting mechanism 7 is arranged in the inner cavity of the machine table 1, and the top of the lifting plate 2 is fixedly connected with a placing table 8 by bolts.

[0021] As a technical optimization solution of the utility model, when the lifting plate 2 is being lifted or lowered, the through groove 5 can prevent the lifting plate 2 from colliding with the first fixed platform 3 and the second fixed platform 4.

[0022] The rotating mechanism 6 includes a first motor 61, a first rotating shaft 62, a first sprocket 63, a second sprocket 64, a second rotating shaft 65, a first limit plate 66, a second limit plate 67, an equipment box 68, an electric push rod 69 and a clamping block 610. The first motor 61 is fixedly assembled on one side of the inner cavity of the first fixed platform 3. The output shaft of the first motor 61 is fixedly connected to the first rotating shaft 62 through a coupling. One side of the first rotating shaft 62 passes through the first fixed platform 3 and is fixedly connected to the first sprocket 63 by bolts. The top of the first sprocket 63 is connected to the second sprocket 64 through a chain transmission. One side of the second sprocket 64 is fixedly connected to the second rotating shaft 65 by bolts. The top of the first fixed platform 3 is fixedly connected to the first limit plate 66 by bolts.

[0023] As a technical optimization solution of the utility model, the first motor 61 drives the first rotating shaft 62, the first sprocket 63, the second sprocket 64 and the second rotating shaft 65 to rotate in sequence, and the cooperation between the sprocket and the chain is more stable and reliable than the traditional belt drive.

[0024] One side of the second rotating shaft 65 passes through the first limiting plate 66 and extends to the outside. A bearing is provided at the connection between the second rotating shaft 65 and the first limiting plate 66 .

[0025] As a technical optimization solution of the present invention, the second rotating shaft 65 is limited and supported by the bearing.

[0026] The top of the second fixed platform 4 is fixedly connected to the second limit plate 67 by bolts, one side of the second limit plate 67 is rotatably connected to the third rotating shaft through a bearing, the inner sides of the third rotating shaft and the second rotating shaft 65 are fixedly connected to the equipment box 68 by bolts, and the corresponding side of the inner cavity of the equipment box 68 is fixedly equipped with an electric push rod 69, and the telescopic rod of the electric push rod 69 passes through the equipment box 68 and is fixedly connected to the clamping block 610 by bolts.

[0027] As a technical optimization solution of the utility model, the second rotating shaft 65 can drive the equipment box 68, the electric push rod 69 and the clamping block 610 to rotate, so that the workpiece can be flipped, and the third rotating shaft can play a role of limiting and supporting.

[0028] The adjusting mechanism 7 comprises a second motor 71, a screw rod 72, a movable block 73, an L-shaped limit plate 74 and a limit groove 75. The second motor 71 is fixedly mounted on the lower wall of the inner cavity of the machine platform 1. The output shaft of the second motor 71 is fixedly connected to the screw rod 72 through a coupling. The top of the screw rod 72 is threadedly connected to the movable block 73. The top of the movable block 73 passes through the machine platform 1 and is fixedly connected to the bottom of the lifting plate 2 by bolts.

[0029] As a technical optimization solution of the utility model, the second motor 71 drives the screw rod 72 to rotate, so that the movable block 73 drives the lifting plate 2 and the placement table 8 to move up and down, thereby adjusting the height position of the workpiece.

[0030] Both sides of the bottom of the lifting plate 2 are fixedly connected with L-shaped limit plates 74 by bolts, and both sides of the inner cavity of the machine platform 1 are provided with limit grooves 75. The bottom of the L-shaped limit plate 74 passes through the machine platform 1 and is slidably connected to the inner cavity of the limit groove 75.

[0031] As a technical optimization solution of the present invention, the cooperation between the L-shaped limiting plate 74 and the limiting groove 75 can limit and support the lifting plate 2, making the lifting more stable.

[0032] During specific use, the user places the workpiece on the top of the placement table 8, and then raises and lowers the lifting plate 2 and the placement table 8 through the adjustment mechanism 7, thereby adjusting the height position of the workpiece and making the clamping block 610 located in the center of both sides of the workpiece. Then, the user uses the electric push rod 69 to move the clamping block 610 and clamp the workpiece, and then starts to grind the surface of the workpiece. When one side of the workpiece is polished, the user drives the first rotating shaft 62, the first sprocket 63, the second sprocket 64 and the second rotating shaft 65 to rotate in sequence through the first motor 61, so that the clamping block 610 drives the workpiece to turn over, thereby facilitating the user to grind the other side of the workpiece, greatly reducing the workload of the operator, and is suitable for popularization and use.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surface grinding machine fixture, comprising a machine table (1) and a lifting plate (2), characterized in that: The machine platform (1) is located at the bottom of the lifting plate (2); the first fixed platform (3) and the second fixed platform (4) are respectively fixedly connected to the two sides of the top of the machine platform (1) by bolts; through grooves (5) are provided on both sides of the bottom of the lifting plate (2); the tops of the first fixed platform (3) and the second fixed platform (4) pass through the through grooves (5) and extend upward; a rotating mechanism (6) is provided on one side of the first fixed platform (3); an adjusting mechanism (7) is provided in the inner cavity of the machine platform (1); and the top of the lifting plate (2) is fixedly connected to a placing platform (8) by bolts.

2. A surface grinding machine fixture according to claim 1, characterized in that: The rotating mechanism (6) comprises a first motor (61), a first rotating shaft (62), a first sprocket (63), a second sprocket (64), a second rotating shaft (65), a first limiting plate (66), a second limiting plate (67), an equipment box (68), an electric push rod (69) and a clamping block (610); the first motor (61) is fixedly mounted on one side of the inner cavity of the first fixed platform (3); the output shaft of the first motor (61) is fixedly connected to the first rotating shaft (62) via a coupling; one side of the first rotating shaft (62) passes through the first fixed platform (3) and is fixedly connected to the first sprocket (63) via bolts; the top of the first sprocket (63) is connected to the second sprocket (64) via a chain transmission; one side of the second sprocket (64) is fixedly connected to the second rotating shaft (65) via bolts; and the top of the first fixed platform (3) is fixedly connected to the first limiting plate (66) via bolts.

3. A surface grinding machine fixture according to claim 2, characterized in that: One side of the second rotating shaft (65) passes through the first limiting plate (66) and extends toward the outside, and a bearing is provided at the connection between the second rotating shaft (65) and the first limiting plate (66).

4. A surface grinding machine fixture according to claim 3, characterized in that: The top of the second fixed platform (4) is fixedly connected to a second limit plate (67) by bolts, and one side of the second limit plate (67) is rotatably connected to a third rotating shaft by a bearing, and the inner sides of the third rotating shaft and the second rotating shaft (65) are fixedly connected to an equipment box (68) by bolts, and an electric push rod (69) is fixedly installed on the corresponding side of the inner cavity of the equipment box (68), and the telescopic rod of the electric push rod (69) passes through the equipment box (68) and is fixedly connected to a clamping block (610) by bolts.

5. The surface grinder fixture according to claim 1, characterized in that: The adjusting mechanism (7) comprises a second motor (71), a screw rod (72), a movable block (73), an L-shaped limiting plate (74) and a limiting groove (75); the lower wall of the inner cavity of the machine platform (1) is fixedly equipped with the second motor (71); the output shaft of the second motor (71) is fixedly connected to the screw rod (72) via a coupling; the top of the screw rod (72) is threadedly connected to the movable block (73); the top of the movable block (73) passes through the machine platform (1) and is fixedly connected to the bottom of the lifting plate (2) via bolts.

6. A surface grinding machine fixture according to claim 5, characterized in that: Both sides of the bottom of the lifting plate (2) are fixedly connected with L-shaped limit plates (74) by bolts, and both sides of the inner cavity of the machine platform (1) are provided with limit grooves (75), and the bottom of the L-shaped limit plates (74) passes through the machine platform (1) and is slidably connected to the inner cavity of the limit grooves (75).

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