Novel machining clamp

Abstract

The invention provides a novel machining clamp, which relates to the technical field of machining and comprises a bottom plate, a base arranged at the upper end of the bottom plate, a workbench arranged at the upper end of the base, a support frame arranged at the upper end of the workbench, a plurality of suckers arranged at the lower end of the support frame, vacuum tubes connected to the upper ends of the suckers, and connecting tubes arranged in the vacuum tubes. The connecting pipes penetrate through the vacuum pipes and communicate with the suckers, jacking columns are arranged in the connecting pipes, first sliding grooves are formed in the two sides of inner cavities of the connecting pipes, blocking blocks are arranged at openings in the upper ends of the connecting pipes, the lower ends of the blocking blocks make contact with the upper ends of the jacking columns, and reinforcing springs are fixedly connected to the upper ends of the blocking blocks. The device has the advantages that by arranging the vacuum machine and the suction cup, when the workpiece is fixed, the suction cup is attached to the surface of the workpiece, the jacking column is extruded by the workpiece to move upwards, the blocking block is jacked open, the vacuum machine enables the vacuum pipe to be in a vacuum state, the suction cup fixes the part, and indentations, scratches and other damage cannot be left on the surface of the workpiece.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to a novel mechanical processing fixture. Background Art

[0002] In the field of modern machining, fixtures are key elements to ensure machining accuracy, improve production efficiency, and ensure the smooth progress of the machining process. With the continuous development of the manufacturing industry, higher and higher requirements are placed on machining fixtures, which must not only be able to firmly fix various workpieces, but also adapt to the diverse shapes, materials, and complex machining processes of workpieces.

[0003] Traditional machining fixtures are prone to leaving indentations, scratches and other damages on the workpiece surface. For precision parts with high surface quality requirements, such damage is unacceptable and will directly affect the performance and yield of the workpiece. When faced with workpieces with irregular shapes and large size differences, mechanical clamping fixtures often find it difficult to find suitable clamping points, and fixture accessories need to be frequently replaced or adjusted. The operation is cumbersome and time-consuming, greatly reducing processing efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a new type of mechanical processing fixture, which solves the problem that traditional mechanical processing fixtures are prone to leave indentations, scratches and other damages on the workpiece surface. When faced with workpieces with irregular shapes and large size differences, mechanical clamping fixtures often find it difficult to find suitable clamping points, thereby reducing the technical effect of processing efficiency.

[0005] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is:

[0006] A novel machining fixture comprises a bottom plate, a base is provided at the upper end of the bottom plate, a workbench is provided at the upper end of the base, a support frame is provided at the upper end of the workbench, a plurality of suction cups are provided at the lower end of the support frame, the upper ends of the plurality of suction cups are connected with vacuum tubes, the plurality of vacuum tubes are provided with connecting tubes, the plurality of connecting tubes penetrate the plurality of vacuum tubes and are connected with the plurality of suction cups, the plurality of connecting tubes are provided with top columns, the first sliding grooves are provided on both sides of the inner cavities of the plurality of connecting tubes, the sliding rods are fixedly provided in the plurality of pairs of the first sliding grooves, the first sliding blocks are sleeved on the surfaces of the plurality of pairs of the sliding rods, the springs are sleeved on the surfaces of the plurality of pairs of the sliding rods, the plurality of pairs of springs are located at the upper ends of the plurality of pairs of the first sliding blocks, the plurality of pairs of the first sliding blocks are fixedly connected to the two sides of the plurality of top columns, the first sliding The block slides in cooperation with the first slide groove, several of the connecting tubes are provided with blocking blocks at the upper openings, several of the blocking blocks' lower ends are in contact with several of the top pillars' upper ends, several of the vacuum tube cavities are provided with second slide grooves on both sides, several pairs of the second slide grooves are provided with second sliders for sliding, several pairs of the second sliders are respectively connected with several connecting rods, several pairs of the connecting rods are fixedly connected to several of the blocking blocks' both sides, several of the blocking blocks' upper ends are fixedly connected with reinforcing springs, several of the reinforcing springs are respectively fixedly connected to several of the vacuum tube cavities' upper ends, several of the vacuum tube cavities' upper ends are provided with through holes, several of the vacuum tubes' upper ends are respectively connected with hoses, several of the hoses' other ends are connected with vacuum plates, a vacuum machine is provided on the upper end of the support frame, and the vacuum machine is connected to the vacuum plate through an air duct.

[0007] As an improvement, a sensing plate is provided at the upper end of the workbench, and a pressure sensor is provided at the lower end of the sensing plate, which can detect the pressure exerted on the parts and make the suction cup fit better with the surface of the workpiece.

[0008] As an improvement, a column is provided on one side of the base, a first motor is provided on the upper end of the column, a screw is rotatably provided in the inner cavity of the column, slide rails are fixedly provided on both sides of the screw, sliding blocks are sleeved on the surfaces of the screw and the two slide rails, one side of the sliding block is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to a lifting plate, the lifting plate is located above the support frame, and drives the suction cup to move up and down.

[0009] As an improvement, a second motor is provided on one side of the upper end of the lifting plate, a rotating plate is provided at the lower end of the lifting plate, a rotating rod is provided at the upper end of the rotating plate, a driven gear is fixedly sleeved on the surface of the rotating rod, a driving gear is provided on one side of the driven gear, the driving gear is connected to the output end of the second motor, the driving gear and the driven gear are meshed with each other, support rods are fixedly provided on both sides of the lower end of the rotating plate, the two support rods are fixedly connected to the upper end of the support frame, driving the suction cup to rotate, thereby adjusting the angle of the workpiece to facilitate processing.

[0010] As an improvement, annular sliding grooves are provided on both sides of the inner cavity of the lifting plate, and annular sliding blocks are slidably provided in the annular sliding grooves. The annular sliding blocks are fixedly connected to the rotating plate, making the device more stable.

[0011] The beneficial effects of the present invention are as follows: by arranging a vacuum machine and a suction cup, when fixing the workpiece, the suction cup fits against the surface of the workpiece, the push column is squeezed by the workpiece and moves upward to push open the block, the vacuum machine puts the vacuum tube in a vacuum state, and the suction cup fixes the part. For workpieces with irregular shapes and large size differences, some blockages will not be lifted up, and the lifted suction cup will increase the suction force, making the workpiece more firmly fixed, and will not leave indentations, scratches or other damages on the surface of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a novel machining fixture of the present invention;

[0013] Figure 2 This is a schematic diagram of the internal structure of a novel machining fixture of the present invention;

[0014] Figure 3 It is a bottom view of a mounting frame of a novel machining fixture of the present invention;

[0015] Figure 4 This is an enlarged view of point A of a new type of machining fixture of the present invention.

[0016] In the figure: 1, bottom plate; 2, base; 3, workbench; 4, column; 5, first motor; 6, pressure sensor; 7, induction plate; 8, connecting block; 9, lifting plate; 10, second motor; 11, support rod; 12, vacuum machine; 13, support frame; 14, suction cup; 15, top column; 16, air duct; 17, annular sliding block; 18, annular sliding groove; 19, driving gear; 20, rotating rod; 21, driven gear; 22, rotating plate; 23, sliding block; 24, slide rail; 25, screw; 26, hose; 27, vacuum tube; 28, through hole; 29, strengthening spring; 30, second slide groove; 31, second slider; 32, connecting rod; 33, blocking block; 34, connecting pipe; 35, first slider; 36, first slide groove; 37, spring; 38, sliding rod; 39, vacuum plate. DETAILED DESCRIPTION

[0017] In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. The same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0018] like Figure 1 and Figure 4 As shown, a novel mechanical processing fixture includes a bottom plate 1, a base 2 is provided at the upper end of the bottom plate 1, a workbench 3 is provided at the upper end of the base 2, a support frame 13 is provided at the upper end of the workbench 3, a plurality of suction cups 14 are provided at the lower end of the support frame 13, the upper ends of the plurality of suction cups 14 are connected with vacuum tubes 27, the plurality of vacuum tubes 27 are provided with connecting tubes 34, the plurality of connecting tubes 34 all penetrate the plurality of vacuum tubes 27 and are connected with the plurality of suction cups 14, the plurality of connecting tubes 34 are provided with top columns 15, the plurality of connecting tubes 34 are provided with first slide grooves 36 on both sides of the inner cavities of the plurality of connecting tubes 34, the plurality of pairs of first slide grooves 36 are fixedly provided with sliding rods 38, the surfaces of the plurality of pairs of sliding rods 38 are sleeved with first sliders 35, the surfaces of the plurality of pairs of sliding rods 38 are sleeved with springs 37, the plurality of pairs of springs 37 are located at the upper ends of the plurality of pairs of first sliders 35, the plurality of pairs of first sliders 35 are fixedly connected with the plurality of top columns 15 on both sides, the first sliders 35 is slidably matched with the first slide groove 36, a plurality of connecting tubes 34 are provided with a block 33 at the upper end opening, a plurality of block blocks 33 are in contact with the upper ends of a plurality of top pillars 15, a plurality of vacuum tubes 27 are provided with a second slide groove 30 on both sides of the inner cavity, a plurality of pairs of second slide grooves 30 are provided with a second slider 31 for sliding, a plurality of pairs of second sliders 31 are respectively connected with a plurality of connecting rods 32, a plurality of pairs of connecting rods 32 are fixedly connected with both sides of a plurality of block blocks 33, a plurality of block blocks 33 are fixedly connected with a reinforcing spring 29 on the upper ends, a plurality of reinforcing springs 29 are respectively fixedly connected with the upper ends of the inner cavities of a plurality of vacuum tubes 27, a plurality of vacuum tubes 27 are provided with a through hole 28 on the upper ends of the inner cavities, a plurality of vacuum tubes 27 are respectively connected with a hose 26 on the upper ends, a plurality of hoses 26 are connected with a vacuum plate 39 at the other ends, a vacuum machine 12 is provided at the upper end of the support frame 13, and the vacuum machine 12 is connected with the vacuum plate 39 through the air duct 16.

[0019] An induction plate 7 is disposed at the upper end of the workbench 3 , and a pressure sensor 6 is disposed at the lower end of the induction plate 7 , so that the suction cup 14 can better fit the surface of the workpiece.

[0020] A column 4 is provided on one side of the base 2, a first motor 5 is provided on the upper end of the column 4, a screw 25 is provided for rotation in the inner cavity of the column 4, slide rails 24 are fixedly provided on both sides of the screw 25, and sliding blocks 23 are sleeved on the surfaces of the screw 25 and the two slide rails 24, a connecting block 8 is fixedly connected to one side of the sliding block 23, a lifting plate 9 is fixedly connected to one side of the connecting block 8, the lifting plate 9 is located above the support frame 13, and drives the suction cup 14 to move up and down, a second motor 10 is provided on one side of the upper end of the lifting plate 9, a rotating plate 22 is provided at the lower end of the lifting plate 9, a rotating rod 20 is provided at the upper end of the rotating plate 22, and a fixed sleeve is provided on the surface of the rotating rod 20 A driving gear 21 and a driving gear 19 are provided on one side of the driven gear 21. The driving gear 19 is connected to the output end of the second motor 10. The driving gear 19 and the driven gear 21 are meshed with each other. Support rods 11 are fixedly provided on both sides of the lower end of the rotating plate 22. The two support rods 11 are fixedly connected to the upper end of the support frame 13, driving the suction cup 14 to rotate, thereby adjusting the angle of the workpiece for convenient processing. Annular sliding grooves 18 are provided on both sides of the inner cavity of the lifting plate 9. An annular sliding block 17 is provided for sliding in the annular sliding groove 18. The annular sliding block 17 is fixedly connected to the rotating plate 22 to make the device more stable.

[0021] When in use, first place the workpiece on the workbench 3, start the first motor 5, drive the screw 25 to rotate, drive the sliding block 23 to move downward, drive the lifting plate 9 to move downward, drive the support frame 13 to move downward, make the suction cup 14 contact with the surface of the workpiece, and the workpiece is squeezed. When the pressure is higher than the set value of the pressure sensor, turn off the first motor 5 to make the suction cup 14 contact with the surface of the workpiece better. The workpiece will lift the top column 15 and then lift the blocking block 33, start the vacuum machine 12, at this time the vacuum tube 27 and the suction cup 14 are in vacuum, which can fix the workpiece. When the angle of the workpiece needs to be adjusted, start the first motor 5, drive the screw 25 to rotate, drive the support frame 13 to move upward, start the second motor 10, drive the driving gear 19 to rotate, drive the driven gear 21 to rotate, drive the rotating plate 22 to rotate, drive the support frame 13 to rotate, and then drive the workpiece to rotate, so as to adjust the angle of the workpiece and facilitate processing.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel machining fixture, comprising a base plate (1), characterized in that: The upper end of the bottom plate (1) is provided with a base (2), the upper end of the base (2) is provided with a workbench (3), the upper end of the workbench (3) is provided with a support frame (13), the lower end of the support frame (13) is provided with a plurality of suction cups (14), the upper ends of the plurality of suction cups (14) are connected with vacuum tubes (27), the plurality of vacuum tubes (27) are provided with connecting tubes (34), the plurality of connecting tubes (34) are penetrated by the plurality of vacuum tubes (27) and are connected with the plurality of suction cups (14), and the plurality of connecting tubes (34) are provided with top columns ( 15), first slide grooves (36) are provided on both sides of the inner cavity of several connecting pipes (34), slide rods (38) are fixedly provided in several pairs of the first slide grooves (36), first sliders (35) are sleeved on the surfaces of several pairs of the slide rods (38), springs (37) are sleeved on the surfaces of several pairs of the slide rods (38), several pairs of springs (37) are located at the upper ends of several pairs of the first sliders (35), several pairs of the first sliders (35) are fixedly connected to the two sides of several top columns (15), and the first sliders (35) and the first slide grooves are connected to the first slide grooves. (36) sliding fit, a plurality of the connecting tubes (34) are provided with a block (33) at the upper end opening, a plurality of the block (33) lower ends are in contact with a plurality of the upper ends of the top pillars (15), a plurality of the vacuum tubes (27) are provided with a second slide groove (30) on both sides of the inner cavity, a plurality of pairs of the second slide grooves (30) are provided with a second slider (31) for sliding, a plurality of pairs of the second sliders (31) are respectively connected with a plurality of connecting rods (32), a plurality of pairs of the connecting rods (32) are fixedly connected with a plurality of the block (33) on both sides, a plurality of the block (33) are fixedly connected with reinforcing springs (29) at their upper ends, and several of the reinforcing springs (29) are respectively fixedly connected with the upper ends of the inner cavities of several of the vacuum tubes (27). The upper ends of the inner cavities of several of the vacuum tubes (27) are provided with through holes (28). The upper ends of several of the vacuum tubes (27) are respectively connected with hoses (26), and the other ends of several of the hoses (26) are connected with vacuum plates (39). A vacuum machine (12) is provided at the upper end of the support frame (13), and the vacuum machine (12) is connected with the vacuum plate (39) through an air duct (16).

2. A novel machining fixture according to claim 1, characterized in that: The upper end of the workbench (3) is provided with a sensing plate (7), and the lower end of the sensing plate (7) is provided with a pressure sensor (6).

3. A novel machining fixture according to claim 1, characterized in that: A column (4) is provided on one side of the base (2), a first motor (5) is provided on the upper end of the column (4), a screw (25) is rotatably provided in the inner cavity of the column (4), slide rails (24) are fixedly provided on both sides of the screw (25), a sliding block (23) is sleeved on the surface of the screw (25) and the two slide rails (24), one side of the sliding block (23) is fixedly connected to a connecting block (8), one side of the connecting block (8) is fixedly connected to a lifting plate (9), and the lifting plate (9) is located above the support frame (13).

4. A new type of machining fixture according to claim 3, characterized in that: A second motor (10) is provided at one side of the upper end of the lifting plate (9), a rotating plate (22) is provided at the lower end of the lifting plate (9), a rotating rod (20) is provided at the upper end of the rotating plate (22), a driven gear (21) is fixedly sleeved on the surface of the rotating rod (20), a driving gear (19) is provided at one side of the driven gear (21), the driving gear (19) is connected to the output end of the second motor (10), the driving gear (19) and the driven gear (21) are meshed with each other, support rods (11) are fixedly provided on both sides of the lower end of the rotating plate (22), and the two support rods (11) are fixedly connected to the upper end of the support frame (13).

5. A novel machining fixture according to claim 4, characterized in that: Annular sliding grooves (18) are provided on both sides of the inner cavity of the lifting plate (9), and an annular sliding block (17) is slidably arranged in the annular sliding groove (18), and the annular sliding block (17) is fixedly connected to the rotating plate (22).

Images