Machining clamp

Abstract

The utility model relates to the technical field of automobile part machining, in particular to a machining clamp which comprises a working box, a mounting plate is rotationally arranged at the top of the working box through a rotating device, and a pair of adjusting plates are arranged at the top of the mounting plate in a sliding mode through adjusting devices. According to the device, by rotating the two clamping plates, an automobile part can be turned over up and down to adjust the machining posture, the situation that machining is blocked and hindered in any other directions except the contact position of the two clamping plates of a workpiece is avoided, and the bottom of the workpiece is not blocked, so that secondary clamping and fixing are not needed; the device is simple in structure and more convenient to use, can adapt to workpieces with more heights, enables machining to be free and comprehensive, can stop and collect sweeps through a collecting device capable of adapting to the widths of the workpieces, effectively prevents the sweeps from influencing normal work of the forward and reverse bidirectional screw rod, and is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile part processing, in particular to a machining fixture. Background Technique

[0002] An automobile is often assembled from several metal parts. Among them, the automobile parts are mainly metal workpieces. Metal workpieces often need machining during the manufacturing process. Machining refers to the process of changing the shape, size or performance of a workpiece through a mechanical device. When machining, a fixture is often used to fix the automobile metal workpiece. The fixture can be moved, so as to drive the workpiece to a suitable position for machining. A prior machining auxiliary fixture with the application number CN202321663577.1 includes a working box, a rotating mechanism is arranged on the working box, and a placing plate is arranged on the rotating mechanism... It can cooperate with the adjusting mechanism to rotate the component at a certain angle, which is more convenient and fast for machining automobile components, saving time and effort. It can also cooperate with the rotating mechanism to enable the component to perform rotating machining in the horizontal direction, and can move the component with multiple degrees of freedom, improving the machining convenience and work efficiency. However, the bottom plate of the clamping frame of this device is easy to block the bottom of the part, and the part needs to be reinstalled twice to expose the bottom of the part for machining, which is inconvenient to use. Moreover, the bottom plate of the clamping frame will also limit the clamping of parts with longer lower ends. Summary of the Utility Model

[0003] The purpose of the utility model is to solve the defects in the prior art that it is easy to block the bottom of the part, the part needs to be reinstalled twice to expose the bottom of the part for machining, which is inconvenient to use, and the bottom plate of the clamping frame will also limit the clamping of parts with longer lower ends, and a machining fixture is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said adjusting base is an assembly line of said first and second gears and said adjusting base is an assembly line of said first and second gears. Said assembly line is characterized in that: said first and second gears are connected along said cam path. Said first and second gears are connected along said cam path.

[0006] Preferably, the waste chip collection device includes a left collection plate and a right collection plate that cooperate with each other. The left collection plate is fixedly provided on the right end surface of the left adjustment plate, and the right collection plate is fixedly provided on the left end surface of the right adjustment plate. The upper outer wall of the right collection plate is slidably connected to the left collection plate.

[0007] Preferably, the ends of the left collecting plate and the right collecting plate that are close to each other are both in a check mark shape.

[0008] Preferably, the transmission device includes an upper synchronous pulley, a synchronous belt, and a lower synchronous pulley. The upper synchronous pulley is fixedly provided on the outer wall of the clamping plate shaft at one end away from the clamping plate, the outer wall of the fixed shaft is rotatably connected to the lower synchronous pulley, and the outer end of the lower synchronous pulley is fixedly connected to the sliding gear, and the lower synchronous pulley is connected to the upper synchronous pulley through a synchronous belt transmission.

[0009] Preferably, the adjusting device includes a movable seat, a guide rod, and a driving device, and the outer walls of a pair of guide rods are provided with a pair of movable seats controlled by the driving device for movement, and the bottom of a pair of movable seats is slidably connected to a mounting plate, and the top of a pair of movable seats is respectively fixedly connected to two adjustment plates.

[0010] Preferably, the driving device includes a forward and reverse bidirectional screw and a clamping motor. A forward and reverse bidirectional screw is rotatably provided between a pair of vertical plates, and both ends of the forward and reverse bidirectional screw respectively penetrate and rotatably connect a pair of vertical plates. Two movable seats are respectively threadedly connected on two sections of the outer wall with opposite thread directions of the forward and reverse bidirectional screw. A clamping motor is fixedly installed on the left end surface of the left vertical plate, and the output shaft of the clamping motor is fixedly connected to the forward and reverse bidirectional screw.

[0011] Preferably, the rotating device includes a rotating motor and a second rotating shaft. The second rotating shaft is rotatably provided inside the working box. The upper end of the second rotating shaft is fixedly connected to the mounting plate. The rotating motor is fixedly installed inside the working box. Gears are fixedly provided on the output shaft of the rotating motor and the outer wall of the second rotating shaft, and the two gears are meshed with each other.

[0012] A mechanical processing fixture proposed by the present utility model has the beneficial effects that: by rotating the two clamping plates, not only can the machining posture of automotive parts be adjusted by turning them up and down, but also no other arbitrary orientation of the workpiece except the contact area of the two clamping plates will be blocked to hinder machining. There is no blockage at the bottom of the workpiece, so there is no need for secondary clamping and fixing, which is more convenient. It can adapt to workpieces of more heights, and at the same time, the machining can be more free and comprehensive. Moreover, the waste chips can be blocked and collected by a collecting device that can adapt to the width of the workpiece, effectively preventing the waste chips from affecting the normal operation of the positive and negative double-threaded screw and facilitating cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of a mechanical processing fixture proposed by the present utility model;

[0014] Figure 2 is an enlarged view of Area A of a mechanical processing fixture proposed by the present utility model;

[0015] Figure 3 is an enlarged view of Area B of a mechanical processing fixture proposed by the present utility model;

[0016] Figure 4 is a schematic sectional view of a mechanical processing fixture proposed by the present utility model;

[0017] Figure 5 is an enlarged view of Area C of a mechanical processing fixture proposed by the present utility model.

[0018] In the figure: 1, working box; 2, mounting plate; 3, clamping motor; 4, first rotating shaft; 5, vertical plate; 6, left collecting plate; 7, adjusting plate; 8, clamping plate shaft; 9, upper synchronous pulley; 10, synchronous belt; 11, clamping plate; 12, right collecting plate; 13, motor; 14, long gear; 15, moving seat; 16, positive and negative double-threaded screw; 17, guide rod; 18, fixed shaft; 19, sliding gear; 20, lower synchronous pulley; 21, rotating motor; 22, rotating shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0020] Refer to Figures 1-5A machining fixture includes a work box 1, a mounting plate 2 is rotatably provided on the top of the work box 1 through a rotating device, and a pair of adjusting plates 7 are slidably provided on the top of the mounting plate 2 through an adjusting device, and a pair of clamping plates 11 are rotatably provided on the end surfaces of the pair of adjusting plates 7 close to each other, a pair of vertical plates 5 are fixedly provided on the top of the mounting plate 2 at both ends, and a first rotating shaft 4 penetrating the adjusting plate 7 is rotatably provided between the pair, a motor 13 is fixedly installed on the right end surface of the right vertical plate 5, and the output shaft of the motor 13 is fixedly connected to the first rotating shaft 4, and the outer wall of the first rotating shaft 4 A long gear 14 is fixedly provided which penetrates and is slidably connected to the adjustment plate 7; a pair of adjustment plates 7 are fixedly provided with a fixed shaft 18 at the lower end at the end surfaces away from each other, and a sliding gear 19 is rotatably provided on the outer wall of the fixed shaft 18 which is meshed with and slidably connected to the long gear 14; a pair of clamping plates 11 are fixedly provided with a clamping plate shaft 8 at the end surfaces away from each other, and the ends of the pair of clamping plate shafts 8 away from each other respectively penetrate and are rotatably connected to the two adjustment plates 7; the ends of the pair of clamping plate shafts 8 away from each other are connected to the sliding gear 19 through a transmission device; a waste chip collection device is provided between the pair of adjustment plates 7.

[0021] The waste chip collection device includes a left collecting plate 6 and a right collecting plate 12 that cooperate with each other. The left collecting plate 6 is fixedly provided on the right end surface of the left adjusting plate 7, and the right collecting plate 12 is fixedly provided on the left end surface of the right adjusting plate 7. The upper end outer wall of the right collecting plate 12 is slidably connected to the left collecting plate 6.

[0022] The ends of the left collecting plate 6 and the right collecting plate 12 that are close to each other are both in the shape of a check mark.

[0023] The transmission device includes an upper synchronous pulley 9, a synchronous belt 10, and a lower synchronous pulley 20. The upper synchronous pulley 9 is fixedly provided on the outer wall of the clamping plate shaft 8 at one end away from the clamping plate 11. The outer wall of the fixed shaft 18 is rotatably connected to the lower synchronous pulley 20, and the outer end of the lower synchronous pulley 20 is fixedly connected to the sliding gear 19. The lower synchronous pulley 20 is connected to the upper synchronous pulley 9 through the synchronous belt 10.

[0024] The adjusting device includes a moving seat 15, a guide rod 17, and a driving device. The outer walls of a pair of guide rods 17 are sleeved with a pair of moving seats 15 controlled by the driving device, and the bottom of the pair of moving seats 15 is slidably connected to the mounting plate 2, and the top of the pair of moving seats 15 is fixedly connected to two adjusting plates 7 respectively.

[0025] The driving device includes a forward and reverse bidirectional screw 16 and a clamping motor 3. A forward and reverse bidirectional screw 16 is rotatably provided between a pair of vertical plates 5, and the two ends of the forward and reverse bidirectional screw 16 respectively penetrate and rotatably connect a pair of vertical plates 5. Two movable seats 15 are respectively threadedly connected on the two outer walls of the forward and reverse bidirectional screw 16 with opposite thread directions. The clamping motor 3 is fixedly installed on the left end surface of the left vertical plate 5, and the output shaft of the clamping motor 3 is fixedly connected to the forward and reverse bidirectional screw 16.

[0026] The rotating device includes a rotating motor 21 and a second rotating shaft 22. The second rotating shaft 22 is rotatably arranged inside the working box 1. The upper end of the second rotating shaft 22 is fixedly connected to the mounting plate 2. The rotating motor 21 is fixedly installed inside the working box 1. Gears are fixedly arranged on the output shaft of the rotating motor 21 and the outer wall of the second rotating shaft 22, and the two gears are meshed with each other.

[0027] Working principle: The clamping motor 3 drives the forward and reverse screw rod 16 to rotate, so that the moving seat 15 drives the two adjusting plates 7 to approach synchronously and clamp the automotive parts through the clamping plates 11; the rotating motor 21 drives the mounting plate 2 and the clamping plates 11 to rotate, horizontally rotating the automotive parts; the motor 13 drives the long gear 14 to rotate and drives the two sliding gears 19 to rotate, so as to drive the two clamping plate shafts 8 and the two clamping plates 11 thereon to rotate synchronously through the two groups of upper synchronous belt wheels 9, synchronous belts 10 and lower synchronous belt wheels 20, so that the automotive parts are turned over up and down. The waste chips are intercepted and collected by the collecting device composed of the left collecting plate 6 and the right collecting plate 12 and slide down along the long plate of the check mark to the bottom.

[0028] By rotating the two clamping plates 11, the device can not only turn over the automotive parts up and down to adjust the processing posture, but also will not cause occlusion and obstruction to any other positions of the workpiece except the contact positions of the two clamping plates 11. There is no occlusion at the bottom of the workpiece, so there is no need for secondary clamping and fixing, which is more convenient. It can adapt to more workpieces of different heights and make the processing more free and comprehensive. Moreover, the waste chips can be blocked and collected by the collecting device that can adapt to the width of the workpiece, effectively avoiding the waste chips from affecting the normal operation of the forward and reverse screw rod 16 and being convenient for cleaning.

[0029] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A machining fixture, comprising a working box (1), characterized in that: The top of the working box (1) is provided with a mounting plate (2) which is rotatable by a rotating device, and the top of the mounting plate (2) is provided with a pair of adjusting plates (7) which are slidably provided by an adjusting device, and the end surfaces of the pair of adjusting plates (7) close to each other are provided with a pair of clamping plates (11) located at the top, and the top of the mounting plate (2) is fixed with a pair of vertical plates (5) located at both ends, and a first rotating shaft (4) which penetrates the adjusting plate (7) is rotatably provided between the pair, and a motor (13) is fixedly installed on the right end surface of the vertical plate (5) on the right side, and the output shaft of the motor (13) is fixedly connected to the first rotating shaft (4), and the outer wall of the first rotating shaft (4) is fixedly provided with a A long gear (14) is slidably connected to the adjustment plate (7); a pair of the adjustment plates (7) are fixedly provided with a fixed shaft (18) at the lower end on the end faces away from each other, and a sliding gear (19) is rotatably provided on the outer wall of the fixed shaft (18) and is meshed with and slidably connected to the long gear (14); a pair of the clamping plates (11) are fixedly provided with a clamping plate shaft (8) on the end faces away from each other, and one end of the pair of clamping plate shafts (8) away from each other respectively penetrates and rotatably connects the two adjustment plates (7); one end of the pair of clamping plate shafts (8) away from each other is connected to the sliding gear (19) through a transmission device; and a waste chip collection device is provided between the pair of adjustment plates (7).

2. A machining fixture according to claim 1, characterized in that: The waste chip collection device comprises a left collection plate (6) and a right collection plate (12) which cooperate with each other. The left collection plate (6) is fixedly arranged on the right end surface of the left adjustment plate (7), and the right collection plate (12) is fixedly arranged on the left end surface of the right adjustment plate (7). The upper end outer wall of the right collection plate (12) is slidably connected to the left collection plate (6).

3. A machining fixture according to claim 2, characterized in that: The ends of the left collecting plate (6) and the right collecting plate (12) that are close to each other are both in the shape of a check mark.

4. A machining fixture according to claim 1, characterized in that: The transmission device comprises an upper synchronous pulley (9), a synchronous belt (10), and a lower synchronous pulley (20); the upper synchronous pulley (9) is fixedly provided on the outer wall of the clamping plate shaft (8) at one end away from the clamping plate (11); the outer wall of the fixed shaft (18) is rotatably connected to the lower synchronous pulley (20); and the outer end of the lower synchronous pulley (20) is fixedly connected to the sliding gear (19); the lower synchronous pulley (20) is connected to the upper synchronous pulley (9) through the synchronous belt (10).

5. A machining fixture according to claim 1, characterized in that: The adjusting device comprises a moving seat (15), a guide rod (17), and a driving device; a pair of moving seats (15) controlled to move by the driving device are sleeved on the outer walls of the pair of guide rods (17); the bottoms of the pair of moving seats (15) are slidably connected to the mounting plate (2); and the tops of the pair of moving seats (15) are respectively fixedly connected to two adjusting plates (7).

6. A machining fixture according to claim 5, characterized in that: The driving device comprises a forward and reverse bidirectional screw (16) and a clamping motor (3); a forward and reverse bidirectional screw (16) is rotatably arranged between a pair of the vertical plates (5), and the two ends of the forward and reverse bidirectional screw (16) respectively penetrate and rotatably connect the pair of vertical plates (5); two sections of the outer wall of the forward and reverse bidirectional screw (16) with opposite thread directions are respectively threadedly connected to two moving seats (15); the left end surface of the left vertical plate (5) is fixedly mounted with the clamping motor (3), and the output shaft of the clamping motor (3) is fixedly connected to the forward and reverse bidirectional screw (16).

7. A machining fixture according to claim 1, characterized in that: The rotating device comprises a rotating motor (21) and a second rotating shaft (22); the second rotating shaft (22) is rotatably provided inside the working box (1); the upper end of the second rotating shaft (22) is fixedly connected to the mounting plate (2); the rotating motor (21) is fixedly installed inside the working box (1); the output shaft of the rotating motor (21) and the outer wall of the second rotating shaft (22) are both fixedly provided with gears, and the two gears are meshed.

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