Clamp for machining and manufacturing
By designing a mechanical manufacturing fixture including rectangular plates, electric telescopic rods, arc plates, airbags and air pumps, the problem of difficulty in clamping irregular or circular workpieces on flat-mouthed ply is solved, and the height of workpieces of different shapes is achieved Accurate clamping.
Patent Information
- Application Number
- CN202421298483.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-07
AI Technical Summary
Existing flat-mouthed plywood is difficult to effectively clamp irregular or circular workpieces, resulting in low machining accuracy and affecting the use of workpieces.
A clamp for mechanical processing and manufacturing is designed, using rectangular plates, electric telescopic rods, arc plates, airbags and air pumps, and firmly clamping workpieces of different shapes through clamping devices and fixing devices.
The stable clamping of workpieces of different shapes is achieved, the machining accuracy is improved, and the problem of low accuracy of workpieces during machining is avoided.
Smart Images
Figure CN222493963U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing and manufacturing fixtures, in particular to a mechanical processing and manufacturing fixture. Background Art
[0002] A fixture is a device used to clamp objects for processing. Mechanical fixtures are often used for clamping and manufacturing when processing aerospace parts. The parts are clamped on the surface of the operating table and then manufactured by the fixture, so that the parts can be processed and completed.
[0003] The inventor discovered during daily use of the clamp that a general clamp is a flat clamp, which cannot clamp some irregular workpieces or round workpieces well, resulting in insufficient machining accuracy of the parts, which in turn affects the use of the workpiece, causing problems. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a clamp for mechanical processing and manufacturing.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fixture for mechanical processing and manufacturing, including an operating table, the upper top of the operating table is fixedly connected to a rectangular plate, the side of the rectangular plate is fixedly connected to an electric telescopic rod, one end of the electric telescopic rod is fixedly connected to a clamping plate, the side of the clamping plate is provided with a clamping device, the upper top of the operating table is fixedly connected to a fixing device, and the clamping device includes an arc-shaped plate rotatably connected to the side of the clamping plate.
[0006] The effect achieved by the above-mentioned components is: under the action of the clamping device, workpieces of different shapes can be clamped on the upper top of the operating table for processing and manufacturing, thereby achieving the clamping effect. When the clamp is needed, the aviation workpiece is placed on the upper top of the operating table, and the electric telescopic rod is started to make the clamp move relative to each other. Then, under the action of the clamping device, irregular workpieces can also be clamped firmly, avoiding the phenomenon of low precision of the workpiece during processing.
[0007] Preferably, a groove is provided on the side of the arc-shaped plate, an airbag is arranged inside the groove, an air pump is fixedly connected to the side of the arc-shaped plate, and an output end of the air pump is fixedly connected to the surface of the airbag.
[0008] The effect achieved by the above components is: under the action of the air pump, the airbag can be inflated, so that the airbag can be closely attached to the surface of the workpiece, thereby achieving the clamping effect.
[0009] Preferably, an arc block is fixedly connected to the surface of the airbag, and the arc block is a rubber block.
[0010] The effect achieved by the above components is that under the action of the arc block, the workpiece will not rotate during processing.
[0011] Preferably, a pull rope is fixedly connected to the side of the arc-shaped plate, a slide rod is slidably connected to the side of the clamping plate, and one end of the pull rope is fixedly connected to one end of the slide rod.
[0012] The effect achieved by the above components is: under the action of the pull rope and the slide rod, when clamping the workpiece, the arc plate can be rotated on the side of the clamping plate, so that the arc plate can be tightly attached to the surface of the workpiece, thereby achieving the clamping effect.
[0013] Preferably, one end of the slide bar extending out of the clamping plate is sleeved with a first spring, and two ends of the first spring are respectively fixedly connected to the side surface of the clamping plate at one end of the slide bar away from the clamping plate.
[0014] The effect achieved by the above-mentioned components is as follows: under the action of the first spring, the sliding bar can be reset, thereby achieving the resetting effect. When the clamp needs to be used, the workpiece is placed on the upper surface of the operating table, and the electric telescopic rod is started, so that the clamp clamps the workpiece. When the workpiece rests on the surface of the sliding bar, the clamp moves toward each other, causing the sliding bar to slide to the other side of the clamp, thereby causing the pull rope to pull the arc plate to clamp the workpiece. Under the action of the air pump, the airbag can be inflated, thereby allowing the airbag to be tightly attached to the surface of the workpiece, thereby achieving the clamping effect. Under the action of the arc block, the workpiece will not rotate during processing. When the workpiece is processed, the clamp is reset under the action of the electric telescopic rod, and under the action of the first spring, the sliding bar can be reset, thereby achieving the resetting effect, thereby achieving the clamping effect.
[0015] Preferably, the fixing device comprises a round rod fixedly connected to the top of the operating table, and a suction cup is fixedly connected to the upper top of the round rod.
[0016] The effect achieved by the above components is that the workpiece can be fixed on the upper surface of the operating table under the action of the suction cup, thereby avoiding the phenomenon of the workpiece tilting when clamping.
[0017] Preferably, a circular hole is opened on the upper top of the round rod, and the circular hole penetrates the round rod and the suction cup.
[0018] The effect achieved by the above components is that, under the action of the circular hole, the air inside the suction cup can be quickly discharged when the workpiece presses the suction cup downward.
[0019] Preferably, a circular groove is provided on the upper top of the round rod, a telescopic rod is fixedly connected to the inside of the circular groove, one end of the telescopic rod is fixedly connected to a circular plate, a second spring is sleeved on the surface of the telescopic rod, two ends of the second spring are respectively fixedly connected to the inner wall of the circular groove and the bottom of the circular plate, and a sealing ring is fixedly connected to the bottom of the circular plate.
[0020] The effects achieved by the above components are as follows: under the action of the second spring, the circular plate can be reset when it is not squeezed by the workpiece. When fixing the workpiece, the workpiece is placed on the upper top of the suction cup and squeezed downward. Under the action of the circular hole, the air inside the suction cup can be quickly discharged when the workpiece squeezes the suction cup downward. When the workpiece rests against the circular plate, it is pressed down again, so that the sealing ring blocks the circular hole, thereby making the inside of the suction cup a vacuum state, thereby fixing the workpiece on the surface of the operating table. When the processing is completed, the workpiece is pulled upward, and under the action of the second spring, the circular plate is pushed upward, thereby allowing air to flow into the interior of the suction cup through the circular hole, thereby facilitating the removal of the workpiece, thereby achieving the effect of fixing the workpiece.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by setting a clamping device, when it is necessary to use the clamp, the workpiece is placed on the upper surface of the operating table, and the electric telescopic rod is started, so that the clamp clamps the workpiece, and when the workpiece is against the surface of the sliding rod, the clamp moves toward each other, so that the sliding rod slides to the other side of the clamp, and then the pull rope pulls the arc plate to clamp the workpiece, and under the action of the air pump, the air bag can be inflated, so that the air bag can be tightly attached to the surface of the workpiece, thereby achieving the clamping effect, and under the action of the arc block, the workpiece will not rotate during processing. When the workpiece is processed, the clamp is reset under the action of the electric telescopic rod, and under the action of the first spring, the sliding rod can be reset, thereby achieving the reset effect, thereby achieving the clamping effect, thereby solving the problem that the flat clamp is inconvenient to clamp round workpieces and irregular workpieces. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a fixture for mechanical processing and manufacturing;
[0024] Figure 2 A schematic diagram of a clamping device for a mechanical processing and manufacturing fixture is provided for the utility model;
[0025] Figure 3 A partial schematic diagram of a clamping device of a mechanical processing and manufacturing fixture proposed by the utility model;
[0026] Figure 4The utility model provides a schematic diagram of a fixing device of a clamp for mechanical processing and manufacturing.
[0027] Legend: 1. Operating table; 2. Clamping device; 21. Arc plate; 22. Air bag; 23. Arc block; 24. Air pump; 25. Sliding rod; 26. Pull rope; 27. First spring; 3. Fixing device; 31. Round rod; 32. Suction cup; 33. Round hole; 34. Round groove; 35. Telescopic rod; 36. Second spring; 37. Round plate; 38. Sealing ring; 4. Rectangular plate; 5. Electric telescopic rod; 6. Clamp. DETAILED DESCRIPTION
[0028] Embodiment 1, as Figure 1-4 As shown, a clamp for mechanical processing and manufacturing includes an operating table 1, the upper top of the operating table 1 is fixedly connected to a rectangular plate 4, the side of the rectangular plate 4 is fixedly connected to an electric telescopic rod 5, one end of the electric telescopic rod 5 is fixedly connected to a clamping plate 6, the side of the clamping plate 6 is provided with a clamping device 2, and the upper top of the operating table 1 is fixedly connected to a fixing device 3. When the clamp is needed, the aviation workpiece is placed on the upper top of the operating table 1, and the electric telescopic rod 5 is started to make the clamping plate 6 move relatively, and then under the action of the clamping device 2, irregular workpieces can also be clamped firmly, thereby avoiding the phenomenon of low precision of the workpiece during processing.
[0029] Reference Figure 2-3The clamping device 2 includes an arc-shaped plate 21 rotatably connected to the side of the clamping plate 6. Under the action of the clamping device 2, workpieces of different shapes can be clamped on the upper top of the operating table 1 for processing and manufacturing, thereby achieving the clamping effect. When the clamp is needed, the aviation workpiece is placed on the upper top of the operating table 1, and the electric telescopic rod 5 is started to make the clamping plate 6 move relatively. Then, under the action of the clamping device 2, the irregular workpiece can also be clamped firmly, avoiding the phenomenon of low precision of the workpiece during processing. A groove is opened on the side of the arc-shaped plate 21, and an air bag 22 is arranged inside the groove. The side of the arc-shaped plate 21 is fixedly connected with The air pump 24, the output end of the air pump 24 is fixedly connected to the surface of the airbag 22, under the action of the air pump 24, the airbag 22 can be inflated, so that the airbag 22 can be closely attached to the surface of the workpiece, thereby achieving the clamping effect, the surface of the airbag 22 is fixedly connected with an arc block 23, the arc block 23 is a rubber block, under the action of the arc block 23, the workpiece will not rotate during processing, the side of the arc plate 21 is fixedly connected with a pull rope 26, the side of the clamping plate 6 is slidably connected with a slide rod 25, one end of the pull rope 26 is fixedly connected to one end of the slide rod 25, under the action of the pull rope 26 and the slide rod 25, the workpiece will not rotate during processing, and the workpiece will not rotate during processing. When clamping the workpiece, the arc plate 21 can be rotated on the side of the clamping plate 6, so that the arc plate 21 can be closely attached to the surface of the workpiece, thereby achieving the clamping effect. The end of the slide bar 25 extending out of the clamping plate 6 is sleeved with a first spring 27, and the two ends of the first spring 27 are respectively fixedly connected to the side of the clamping plate 6 at the end of the slide bar 25 away from the clamping plate 6. Under the action of the first spring 27, the slide bar 25 can be reset, thereby achieving the reset effect. When the clamp needs to be used, the workpiece is placed on the upper surface of the operating table 1, and the electric telescopic rod 5 is started, so that the clamping plate 6 clamps the workpiece. When the workpiece is against the slide bar 25 When the workpiece is moved to the surface, the clamping plate 6 moves towards the opposite side, causing the slide bar 25 to slide to the other side of the clamping plate 6, and then the pull rope 26 pulls the arc plate 21 to clamp the workpiece, and under the action of the air pump 24, the airbag 22 can be inflated, so that the airbag 22 can be tightly attached to the surface of the workpiece, thereby achieving the clamping effect, and under the action of the arc block 23, the workpiece will not rotate during processing. When the workpiece is processed, the clamping plate 6 is reset under the action of the electric telescopic rod 5, and under the action of the first spring 27, the slide bar 25 can be reset, thereby achieving the reset effect, thereby achieving the clamping effect.
[0030] Reference Figure 4The fixing device 3 includes a round rod 31 fixedly connected to the top of the operating table 1, and a suction cup 32 is fixedly connected to the upper top of the round rod 31. Under the action of the suction cup 32, the workpiece can be fixed on the upper surface of the operating table 1, thereby avoiding the workpiece from tilting when clamping. A round hole 33 is opened on the upper top of the round rod 31, and the round hole 33 penetrates the round rod 31 and the suction cup 32. Under the action of the round hole 33, the workpiece can quickly discharge the air inside the suction cup 32 when the suction cup 32 is pressed downward. A round groove 34 is opened on the upper top of the round rod 31, and a telescopic rod 35 is fixedly connected inside the circular groove 34. One end of the telescopic rod 35 is fixedly connected to a circular plate 37. A second spring 36 is sleeved on the surface of the telescopic rod 35. The two ends of the second spring 36 are fixedly connected to the inner wall of the circular groove 34 and the bottom of the circular plate 37 respectively. A sealing ring 38 is fixedly connected to the bottom of the circular plate 37. Under the action of the second spring 36, the circular plate 37 can be reset when it is not squeezed by the workpiece. When fixing the workpiece, the workpiece is placed on the upper top of the suction cup 32 and squeezed downward. Under the action of the circular hole 33, the air inside the suction cup 32 can be quickly discharged when the workpiece squeezes the suction cup 32 downward. When the workpiece is against the circular plate 37, it is pressed down again, so that the sealing ring 38 blocks the circular hole 33, and the inside of the suction cup 32 is in a vacuum state, so that the workpiece is fixed to the surface of the operating table 1. When the processing is completed, the workpiece is pulled upward. Under the action of the second spring 36, the circular plate 37 is pushed upward, so that the air flows into the inside of the suction cup 32 through the circular hole 33, so that it is convenient to remove the workpiece, thereby achieving the effect of fixing the workpiece.
[0031] Working principle: when it is necessary to use a clamp for mechanical processing and manufacturing, when it is necessary to use the clamp, place the aviation workpiece on the upper top of the operating table 1, start the electric telescopic rod 5, so that the clamp 6 moves relatively, and then under the action of the clamping device 2, the irregular workpiece can also be clamped firmly, avoiding the phenomenon of low precision of the workpiece during processing. When it is necessary to use the clamp, place the workpiece on the upper surface of the operating table 1, start the electric telescopic rod 5, so that the clamp 6 clamps the workpiece, and when the workpiece is against the surface of the sliding rod 25, the clamp 6 moves towards the other side of the clamp 6, so that the pull rope 26 pulls the arc plate 21 to clamp the workpiece, and under the action of the air pump 24, the airbag 22 can be inflated, so that the airbag 22 can be tightly attached to the surface of the workpiece, thereby achieving the clamping effect, and under the action of the arc block 23, the workpiece will not be deformed during processing. The phenomenon of rotation. When the workpiece is processed, the clamping plate 6 is reset under the action of the electric telescopic rod 5. Under the action of the first spring 27, the sliding rod 25 can be reset, thereby achieving the reset effect, thereby achieving the clamping effect. When fixing the workpiece, the workpiece is placed on the upper top of the suction cup 32 and squeezed downward. Under the action of the circular hole 33, the workpiece can quickly discharge the air inside the suction cup 32 when squeezing the suction cup 32 downward. When the workpiece is against the circular plate 37, it is pressed down again, so that the sealing ring 38 blocks the circular hole 33, thereby making the inside of the suction cup 32 a vacuum state, thereby fixing the workpiece on the surface of the operating table 1. When the processing is completed, the workpiece is pulled upward, and under the action of the second spring 36, the circular plate 37 is pushed upward, so that the air flows into the inside of the suction cup 32 through the circular hole 33, thereby facilitating the removal of the workpiece, thereby achieving the effect of fixing the workpiece.
Claims
1. A fixture for mechanical processing and manufacturing, comprising an operating table (1), characterized in that: The top of the operating table (1) is fixedly connected to a rectangular plate (4), the side of the rectangular plate (4) is fixedly connected to an electric telescopic rod (5), one end of the electric telescopic rod (5) is fixedly connected to a clamping plate (6), the side of the clamping plate (6) is provided with a clamping device (2), the top of the operating table (1) is fixedly connected to a fixing device (3), and the clamping device (2) comprises an arc-shaped plate (21) rotatably connected to the side of the clamping plate (6).
2. The mechanical processing fixture according to claim 1, characterized in that: A groove is provided on the side of the arc-shaped plate (21), an air bag (22) is arranged inside the groove, an air pump (24) is fixedly connected to the side of the arc-shaped plate (21), and an output end of the air pump (24) is fixedly connected to the surface of the air bag (22).
3. The mechanical processing fixture according to claim 2, characterized in that: An arc block (23) is fixedly connected to the surface of the air bag (22), and the arc block (23) is a rubber block.
4. The mechanical processing fixture according to claim 3, characterized in that: A drawstring (26) is fixedly connected to the side of the arc-shaped plate (21), a slide bar (25) is slidably connected to the side of the clamping plate (6), and one end of the drawstring (26) is fixedly connected to one end of the slide bar (25).
5. The mechanical processing fixture according to claim 4, characterized in that: One end of the slide bar (25) extending out of the clamping plate (6) is sleeved with a first spring (27), and two ends of the first spring (27) are respectively fixedly connected to the side surface of the clamping plate (6) at one end of the slide bar (25) away from the clamping plate (6).
6. The mechanical processing fixture according to claim 5, characterized in that: The fixing device (3) comprises a round rod (31) fixedly connected to the top of the operating table (1), and a suction cup (32) is fixedly connected to the top of the round rod (31).
7. The mechanical processing fixture according to claim 6, characterized in that: A circular hole (33) is formed at the upper top of the round rod (31), and the circular hole (33) penetrates the round rod (31) and the suction cup (32).
8. The mechanical processing fixture according to claim 7, characterized in that: A circular groove (34) is formed on the top of the circular rod (31), a telescopic rod (35) is fixedly connected to the inside of the circular groove (34), one end of the telescopic rod (35) is fixedly connected to a circular plate (37), a second spring (36) is sleeved on the surface of the telescopic rod (35), two ends of the second spring (36) are respectively fixedly connected to the inner wall of the circular groove (34) and the bottom of the circular plate (37), and a sealing ring (38) is fixedly connected to the bottom of the circular plate (37).