Fixture for machining automobile parts through numerical control machine tool

Abstract

The utility model discloses a clamp for machining automobile parts by a numerical control machine tool. Sliding grooves are formed in the front side and the rear side of the top end of the workbench in the left-right direction, the sliding grooves communicate with an inner cavity of the workbench, and the sliding blocks are connected to the left side and the right side of an inner cavity of each sliding groove in an inserted mode; the bottom column is fixedly arranged at the top end of the sliding block in the front-back direction; the hydraulic cylinder is fixedly arranged on the outer side of the bottom column; one end of the hydraulic cylinder extends into the inner side of the bottom column and is fixedly provided with the push column; and the driving mechanism is arranged in the inner cavity of the workbench. According to the clamp for machining the automobile parts through the numerical control machine tool, the bottom column can be controlled to move through the driving mechanism so that the automobile parts of different sizes can be assembled on the bottom column, and the clamping blocks can be controlled to be tightly attached and fixed to the outer sides of the automobile parts through the pressing mechanism so that the automobile parts can be fixed; the automobile accessory clamping device is suitable for clamping and fixing automobile accessories of various shapes and sizes and is wide in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of auto parts processing, in particular to a clamp used for processing auto parts with a numerically controlled machine tool. Background Art

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In recent years, auto parts manufacturers are also developing rapidly.

[0003] Existing special clamps for automobile parts production cannot adjust the clamping position according to the different shapes and sizes of automobile parts when clamping and fixing the automobile parts to be processed. The fixing operation is difficult, multiple fixing clamps are required, and the fixing firmness is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a clamp for machining automobile parts with a CNC machine tool, so as to solve the problems in the prior art that the clamping position cannot be adjusted well according to the different shapes and sizes of automobile parts, the fixing operation is difficult, a variety of fixing clamps are required, and the fixing firmness is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a fixture for machining automobile parts by a CNC machine tool, comprising:

[0006] Workbench;

[0007] Slider, the top of the workbench is provided with a slide groove in the left and right directions on both the front and rear sides, and the slide groove is communicated with the inner cavity of the workbench, and the inner cavity of the slide groove is plugged with a slider on both the left and right sides;

[0008] A bottom column, fixedly arranged on the top of the sliding block along the front-back direction;

[0009] A hydraulic cylinder, fixedly arranged on the outer side of the base column;

[0010] A push column, one end of the hydraulic cylinder extends into the inner side of the base column and is fixedly provided with the push column;

[0011] A clamping block, wherein a strip hole is provided at the top of the bottom column, and a clamping block is rotatably provided at the top of the push column extending out of the strip hole;

[0012] A driving mechanism, arranged in the inner cavity of the workbench;

[0013] The clamping mechanism is arranged on the top end of the clamping block.

[0014] Preferably, the clamping block is semi-cylindrical in shape.

[0015] Preferably, the driving mechanism includes: a servo motor, which is fixedly arranged on one side of the workbench; a lead screw, the output end of the servo motor extends into the inner cavity of the workbench and is locked with the lead screw through a coupling; a lead screw nut, the outer wall of the lead screw is threaded with lead screw nuts on both sides of the left and right sides; a guide rod, the front and rear sides of the inner cavity of the workbench are fixedly provided with guide rods along the left and right directions; a shifting post, the outer wall of the guide rod is sleeved with shifting posts on both sides of the left and right sides, and the shifting post is fixedly connected to the bottom end of the slider; a connecting rod, which is fixedly arranged between the shifting post and the lead screw nut.

[0016] Preferably, the threads on the left and right sides of the outer wall of the lead screw are arranged in opposite directions.

[0017] Preferably, the clamping mechanism includes: a column fixedly arranged at the top end of the clamping block; a bolt screwed to the top end of the column; a rotating block rotatably arranged at the top end of the outer wall of the bolt through a bearing; a limit block, a limit block fixedly arranged on both the front and rear sides of the rotating block; a cross plate, a limit groove is provided on one side of the cross plate, and the cross plate is sleeved with the limit block through the limit groove; a fastening bolt screwed to the outer side of the limit block, and the fastening bolt fastens the cross plate to the outer side of the limit block; a fixed block fixedly arranged on one side of the cross plate; and a clamping column fixedly arranged at the bottom end of the fixed block.

[0018] Preferably, after the fastening bolts are loosened, the transverse plate can slide under the restriction of the limiting grooves and the limiting blocks.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the clamp for processing automobile parts with a CNC machine tool can control the movement of the base column by being provided with a driving mechanism, so that auto parts of different sizes can be assembled on the base column; the clamping mechanism can control the clamping block to be tightly fixed on the outside of the auto part to fix the auto part; and the top of the auto part is fixed and limited by controlling the clamping column, thereby improving the fixing firmness of the auto part; the clamping mechanism is suitable for clamping and fixing auto parts of various shapes and sizes, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0022] Figure 3 This is a schematic diagram of the exploded structure of the servo motor of the utility model;

[0023] Figure 4 It is a left side sectional view of the bottom column of the utility model.

[0024] In the figure: 1. workbench; 2. slider; 3. bottom column; 4. hydraulic cylinder; 5. push column; 6. clamping block; 7. strip hole; 8. driving mechanism; 81. servo motor; 82. lead screw; 83. lead screw nut; 84. guide rod; 85. shift column; 86. connecting rod; 9. clamping mechanism; 91. column; 92. bolt; 93. rotating block; 94. limit block; 95. cross plate; 96. limit groove; 97. fastening bolt; 98. fixing block; 99. clamping column; 10. slide groove. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-4 The utility model provides a technical solution: a fixture for machining automobile parts with a CNC machine tool, comprising: a workbench 1, a slide block 2, a bottom column 3, a hydraulic cylinder 4, a push column 5, a clamping block 6, a strip hole 7, a driving mechanism 8, a clamping mechanism 9 and a slide 10;

[0027] The top of the workbench 1 is provided with a slide groove 10 on both sides along the left and right directions, and the slide groove 10 is communicated with the inner cavity of the workbench 1, and sliders 2 are inserted on both sides of the inner cavity of the slide groove 10. The bottom column 3 is fixedly arranged at the top of the slider 2 along the front and back directions. The bottom column 3 slides smoothly under the restriction of the slide groove 10 and the slider 2. The hydraulic cylinder 4 is fixedly arranged on the outer side of the bottom column 3, and one end of the hydraulic cylinder 4 extends into the inner side of the bottom column 3 and is fixedly provided with a push column 5. The hydraulic cylinder 4 can push the push column 5 to move. A strip hole 7 is provided on the top of the bottom column 3, and the top of the push column 5 extends out of the strip hole 7 and is rotatably provided with a clamping block 6. The driving mechanism 8 is arranged in the inner cavity of the workbench 1, and the clamping mechanism 9 is arranged on the top of the clamping block 6.

[0028] As a preferred solution, further, the shape of the clamp block 6 is semi-cylindrical, so that the clamp block 6 can squeeze and fix the edge of the irregular auto part.

[0029] As a preferred solution, further, the driving mechanism 8 includes: a servo motor 81, a lead screw 82, a lead screw nut 83, a guide rod 84, a shifting post 85 and a connecting rod 86;

[0030] In order to control the movement of the slider 2, a servo motor 81 is fixedly arranged on one side of the workbench 1. The output end of the servo motor 81 extends into the inner cavity of the workbench 1 and is locked with a lead screw 82 through a coupling. The left and right sides of the outer wall of the lead screw 82 are both screwed with lead screw nuts 83.

[0031] In order to limit the shifting post 85, guide rods 84 are fixedly arranged on both the front and rear sides of the inner cavity of the workbench 1 along the left and right directions, and the outer walls of the guide rods 84 are sleeved with shifting posts 85 on both the left and right sides, and the shifting post 85 is fixedly connected to the bottom end of the slider 2, and the connecting rod 86 is fixedly arranged between the shifting post 85 and the screw nut 83.

[0032] As a preferred solution, further, the threads on the left and right sides of the outer wall of the lead screw 82 are arranged in opposite directions. After the lead screw 82 rotates, the screw nut 83 can move in the opposite direction under the rotational force of the outer wall threads of the lead screw 82.

[0033] As a preferred solution, further, the clamping mechanism 9 includes: a column 91, a bolt 92, a rotating block 93, a limiting block 94, a horizontal plate 95, a limiting groove 96, a fastening bolt 97, a fixing block 98 and a clamping column 99;

[0034] In order to control the height of the rotating block 93, the column 91 is fixedly arranged at the top of the clamping block 6, the bolt 92 is screwed to the top of the column 91, and the rotating block 93 is rotatably arranged at the top of the outer wall of the bolt 92 through the bearing;

[0035] In order to adjust the position of the pressing column 99, limit blocks 94 are fixedly arranged on both the front and rear sides of the rotating block 93, and a limit slot 96 is provided on one side of the cross plate 95. The cross plate 95 is sleeved with the limit block 94 through the limit slot 96. The cooperation between the limit slot 96 and the limit block 94 enables the cross plate 95 to move smoothly.

[0036] The fastening bolts 97 are threadedly connected to the outer side of the limit block 94, and the fastening bolts 97 fasten the cross plate 95 to the outer side of the limit block 94. The fixing block 98 is fixedly set on one side of the cross plate 95, and the clamping column 99 is fixedly set at the bottom end of the fixing block 98. After loosening the fastening bolts 97, the cross plate 95 can slide under the restriction of the limit groove 96 and the limit block 94.

[0037] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0038] Step 1: Start the hydraulic cylinder 4 and the servo motor 81. After the servo motor 81 is started, it can control the screw 82 to rotate clockwise around its own axis, so that the screw nut 83 is driven to move inward under the action of the rotation force of the outer wall thread of the screw 82, so that the screw nut 83 drives the shifting column 85 to move on the guide rod 84 through the connecting rod 86, thereby driving the slider 2 to slide in the slide groove 10, so that the bottom column 3 moves inward, and the position of the bottom column 3 is adjusted according to the shape and size of the automobile accessories, and the automobile accessories are placed on the bottom column 3;

[0039] Step 2: The hydraulic cylinder 4 can push the push column 5 to move inward, so as to drive the clamp block 6 to move inward and clamp the automobile accessory, and rotate the clamp block 6 so that the arc surface or plane surface of the clamp block 6 fits the side surface of the automobile accessory to clamp and fix it;

[0040] Step three: Rotate the rotating block 93 to rotate the clamping column 99 to the top of the auto part, rotate the fastening bolt 97 to release the position fixation on the outer side of the cross plate 95, so that the cross plate 95 can be moved under the restriction of the limit groove 96 and the limit block 94 to adjust the position of the clamping column 99, and then move it to a suitable position for fixing the auto part, rotate the bolt 92 to rotate downward and drive the rotating block 93 to move downward, so that the clamping column 99 can clamp and fix the top of the auto part, which can fix auto parts with special shapes more firmly and has a wide range of applications.

[0041] 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 fixture for machining automobile parts using CNC machine tools. It is characterized in that include: Workbench (1); A slider (2), wherein both the front and rear sides of the top of the workbench (1) are provided with a slide groove (10) in the left and right directions, and the slide groove (10) is communicated with the inner cavity of the workbench (1), and the sliders (2) are inserted into the left and right sides of the inner cavity of the slide groove (10); A bottom column (3) is fixedly arranged on the top of the sliding block (2) along the front-rear direction; A hydraulic cylinder (4) is fixedly arranged on the outer side of the base column (3); A push column (5), one end of the hydraulic cylinder (4) extends into the inner side of the base column (3) and is fixedly provided with the push column (5); A clamping block (6), a strip hole (7) is opened at the top of the base column (3), and the top of the push column (5) extends out of the strip hole (7) and is rotatably provided with the clamping block (6); A driving mechanism (8) is arranged in the inner cavity of the workbench (1); The clamping mechanism (9) is arranged on the top end of the clamping block (6).

2. A fixture for machining automobile parts using a CNC machine tool according to claim 1, Features: The clamping block (6) is in the shape of a semi-cylinder.

3. A fixture for machining automobile parts using a CNC machine tool according to claim 1, Features: The driving mechanism (8) comprises: A servo motor (81) is fixedly arranged on one side of the workbench (1); A lead screw (82), wherein the output end of the servo motor (81) extends into the inner cavity of the workbench (1) and is locked with the lead screw (82) through a coupling; A lead screw nut (83), wherein the lead screw nuts (83) are screwed on both left and right sides of the outer wall of the lead screw (82); Guide rods (84), the inner cavity of the workbench (1) is fixedly provided with guide rods (84) along the left-right direction on both the front and rear sides; A shifting post (85), wherein the left and right sides of the outer wall of the guide rod (84) are sleeved with a shifting post (85), and the shifting post (85) is fixedly connected to the bottom end of the slider (2); A connecting rod (86) is fixedly arranged between the shifting post (85) and the lead screw nut (83).

4. A fixture for machining automobile parts by CNC machine tools according to claim 3, Features: The threads on the left and right sides of the outer wall of the lead screw (82) are arranged in opposite directions.

5. A fixture for machining automobile parts using a CNC machine tool according to claim 1, Features: The pressing mechanism (9) comprises: A column (91) fixedly arranged on the top end of the clamping block (6); A bolt (92) is threadedly connected to the top end of the column (91); A rotating block (93) is rotatably arranged on the top end of the outer wall of the bolt (92) via a bearing; A limit block (94), wherein the limit blocks (94) are fixedly arranged on both the front and rear sides of the rotating block (93); A transverse plate (95), wherein a limiting groove (96) is provided on one side of the transverse plate (95), and the transverse plate (95) is sleeved with the limiting block (94) through the limiting groove (96); A fastening bolt (97) is threadedly connected to the outer side of the limit block (94), and the fastening bolt (97) fastens the transverse plate (95) to the outer side of the limit block (94); A fixed block (98) fixedly arranged on one side of the transverse plate (95); The pressing column (99) is fixedly arranged at the bottom end of the fixing block (98).

6. A fixture for machining automobile parts using a CNC machine tool according to claim 5, Features: After the fastening bolts (97) are loosened, the transverse plate (95) can slide under the restriction of the limiting groove (96) and the limiting block (94).

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