Machining tool for reduction gearbox

Abstract

The utility model relates to the technical field of machining, in particular to a machining tool for a reduction gearbox. Comprising a bottom plate and a fastening device, the fastening device is arranged on the top face of the bottom plate, the fastening device comprises a first pressing plate, a second pressing plate, a lead screw, a first supporting block and a second supporting block, the first pressing plate and the second pressing plate are arranged on the two sides of the top face of the bottom plate correspondingly, and through holes are formed in the middle of the first pressing plate and the middle of the second pressing plate correspondingly; the first pressing plate and the second pressing plate are arranged in parallel and are connected with the bottom plate through lead screws, the bottom ends of the lead screws are fixedly connected with the top face of the bottom plate, springs are arranged between the first pressing plate and the bottom plate and between the second pressing plate and the bottom plate, screws are arranged on the outer sides of the lead screws, and the first supporting block and the second supporting block are arranged between the first pressing plate and the second pressing plate. Compared with the prior art, the clamp is installed on a vertical machining workbench through the bottom plate, accurate positioning can be achieved, two pressing plates in special shapes are used for pressing the interiors of holes in the left end and the right end respectively, crushing damage can be prevented, and the clamp is safe, reliable, high in efficiency and suitable for mass production.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a processing tool for a reduction box. Background Art

[0002] like Figure 2 The workpiece 7 shown in the figure is a reduction box blank, which has a complex shape and a small positioning surface. There is a groove on the positioning surface for sealing after installing an O-ring, and it is necessary to prevent crushing. When processing the mounting hole on the back, the pressing space is limited due to the shape of the blank. The prior art discloses a reducer housing processing tool, with the publication number CN113199398A, comprising: a bottom plate and a top plate, the bottom plate and the top are supported by columns before, at least two first station areas are provided on the top plate, and a first driving cylinder, a first clamping mechanism and a support column are provided corresponding to each of the first station areas. The support column is installed on the top plate in a predetermined arrangement, the first clamping mechanism is located on one side of the support column, the first driving cylinder is located between the bottom plate and the top plate, and the driving shaft of the first driving cylinder passes through the first through hole on the top plate to connect the first clamping mechanism to drive the first clamping mechanism, and multiple half-boxes can be polished at one time, and then turned over or replaced with the next batch of half-boxes after polishing is completed. Compared with the method of sequentially polishing a single half-box, the polishing efficiency is greatly improved, and the production progress is accelerated. However, it cannot solve the problem of preventing crushing and limited pressing space. Therefore, there is an urgent need for a processing tooling that has accurate positioning, convenient and reliable pressing, high efficiency, no deformation after processing, and is suitable for mass production. Utility Model Content

[0003] The cam is an assembly made of a first piece and a second piece, and the cam is connected to the first piece and the second piece is connected to the second piece by a screw.

[0004] Furthermore, the second support block is arranged below the inner end of the first pressing plate, and a screw is fixedly connected to the bottom of the second support block, and is screwed to the top surface of the bottom plate through the screw.

[0005] Furthermore, there are two first support blocks, which are arranged between the first support block and the second pressure plate. A screw is fixed to the bottom of the first support block, and is screwed to the top surface of the bottom plate through the screw.

[0006] Furthermore, the top surface of the bottom plate is also fixedly connected with positioning pins, and the positioning pins are respectively arranged on one side of the second support block and between the two first support blocks.

[0007] Furthermore, both ends of the top surface of the bottom plate are fixedly connected with circular rings.

[0008] Furthermore, four corners of the top surface of the base plate are provided with mounting holes.

[0009] Furthermore, the through hole is a waist hole.

[0010] Furthermore, a columnar block is fixedly connected to the inner end of the first pressing plate, and the bottom surface of the inner end of the second pressing plate is arc-shaped.

[0011] Furthermore, a nut is provided on the screw, and the nut is arranged above the base plate.

[0012] Furthermore, a plurality of fastening devices are arranged on the bottom plate.

[0013] Compared with the prior art, the utility model is installed on the vertical processing table through the bottom plate, can be accurately positioned, and uses two special-shaped pressing plates to respectively press the left and right end holes, which can prevent crushing injuries. It is safe and reliable, highly efficient, and suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the installation workpiece of the utility model;

[0016] Figure 3 For this utility model Figure 2 Schematic cross-section of . DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3The technical solution adopted by the utility model shown is: a processing tool for a reduction box, including a base plate 1 and a fastening device, the fastening device is arranged on the top surface of the base plate 1, the fastening device includes a first pressing plate 2, a second pressing plate 3, a screw rod 4, a first support block 13 and a second support block 14, the first pressing plate 2 and the second pressing plate 3 are respectively arranged on both sides of the top surface of the base plate 1, and the pressing plates respectively press the holes at the left and right ends of the workpiece 7, the middle parts of the first pressing plate 2 and the second pressing plate 3 are both provided with through holes 21, and are connected to the base plate 1 through the screw rod 4, and the bottom end of the screw rod 4 It is fixedly connected to the top surface of the base plate 1, and the top end passes through the through hole 21 from the bottom of the first pressure plate 2 and the second pressure plate 3 and is limited by a nut. A spring 6 is provided between the first pressure plate 2 and the second pressure plate 3 and the base plate 1. The spring 6 is sleeved on the screw rod 4. The outer side of the screw rod 4 is provided with a screw 5. The bottom end of the screw 5 is screwed to the base plate 1, and the top end is against the bottom surface of the outer end of the first pressure plate 2 and the second pressure plate 3. The first support block 13 and the second support block 14 are arranged between the first pressure plate 2 and the second pressure plate 3 to play a supporting and positioning effect, thereby realizing the accurate positioning of the reduction gearbox.

[0019] Preferably, the second support block 14 is disposed below the inner end of the first pressing plate 2 , and a screw is fixedly connected to the bottom of the second support block 14 , and is screwed to the top surface of the bottom plate 1 through the screw.

[0020] Preferably, there are two first support blocks 13, which are arranged between the first support block 13 and the second pressure plate 3. The bottom of the first support block 13 is fixed with a screw, and is screwed to the top surface of the base plate 1 through the screw, and cooperates with the pressure plate to support and press the workpiece 7 to solve the problem of limited pressing space.

[0021] Preferably, a positioning pin 12 is fixedly connected to the top surface of the bottom plate 1 , and the positioning pin 12 is respectively arranged on one side of the second support block 14 and between the two first support blocks 13 , so as to further accurately position the workpiece 7 .

[0022] Preferably, circular rings 8 are fixedly connected to both ends of the top surface of the bottom plate 1 .

[0023] Preferably, four corners of the top surface of the base plate 1 are provided with mounting holes 11 for mounting the base plate 1 on a vertical processing workbench.

[0024] Preferably, the through hole 21 is a waist hole, so that the position of the pressing plate can be adjusted.

[0025] Preferably, a columnar block 22 is fixed to the inner end of the first pressing plate 2, and the bottom surface of the inner end of the second pressing plate 3 is arc-shaped, corresponding to the shape of the fastened workpiece 7, and can better fit the workpiece 7 to prevent the workpiece 7 from shifting and being crushed and deformed.

[0026] Preferably, a nut is provided on the screw, and the nut is arranged above the base plate 1 .

[0027] Preferably, a plurality of fastening devices are arranged on the base plate 1 to clamp a plurality of workpieces 7, which is highly efficient and suitable for mass production.

[0028] 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 processing tool for a reduction gearbox, characterized in that: The invention comprises a bottom plate (1) and a fastening device, wherein the fastening device is arranged on the top surface of the bottom plate (1), and the fastening device comprises a first pressing plate (2), a second pressing plate (3), a screw rod (4), a first supporting block (13) and a second supporting block (14), wherein the first pressing plate (2) and the second pressing plate (3) are respectively arranged on both sides of the top surface of the bottom plate (1), and the middle parts of the first pressing plate (2) and the second pressing plate (3) are both provided with a through hole (21), and are connected to the bottom plate (1) via the screw rod (4), the bottom end of the screw rod (4) is fixedly connected to the top surface of the bottom plate (1), and the top end is connected from the first pressing plate (2) to the top surface of the bottom plate (1). The bottom of the pressing plate (2) and the second pressing plate (3) pass through the through hole (21) and are limited by a nut. A spring (6) is provided between the first pressing plate (2) and the second pressing plate (3) and the bottom plate (1). The spring (6) is sleeved on the screw rod (4). The outer side of the screw rod (4) is provided with a screw (5). The bottom end of the screw (5) is screwed to the bottom plate (1), and the top end is against the bottom surface of the outer end of the first pressing plate (2) and the second pressing plate (3). The first support block (13) and the second support block (14) are arranged between the first pressing plate (2) and the second pressing plate (3).

2. A processing tool for a reduction gearbox according to claim 1, characterized in that: The second support block (14) is arranged below the inner end of the first pressing plate (2); a screw is fixedly connected to the bottom of the second support block (14), and the second support block (14) is screwed to the top surface of the bottom plate (1) via the screw.

3. The processing tool for a reduction gearbox according to claim 1, characterized in that: There are two first support blocks (13), which are arranged between the first support block (13) and the second pressure plate (3); a screw is fixed to the bottom of the first support block (13), and is screwed to the top surface of the bottom plate (1) via the screw.

4. The processing tool for a reduction gearbox according to claim 1, characterized in that: The top surface of the bottom plate (1) is also fixedly connected with a positioning pin (12), and the positioning pin (12) is respectively arranged on one side of the second support block (14) and between the two first support blocks (13).

5. The processing tool for a reduction gearbox according to claim 1, characterized in that: Circular rings (8) are fixedly connected to both ends of the top surface of the bottom plate (1).

6. The processing tool for a reduction gearbox according to claim 1, characterized in that: The four corners of the top surface of the bottom plate (1) are each provided with mounting holes (11).

7. The processing tool for a reduction gearbox according to claim 1, characterized in that: The through hole (21) is a waist hole.

8. The processing tool for a reduction gearbox according to claim 1, characterized in that: A columnar block (22) is fixedly connected to the inner end of the first pressing plate (2), and the bottom surface of the inner end of the second pressing plate (3) is arc-shaped.

9. The processing tool for a reduction gearbox according to claim 1, characterized in that: The screw is provided with a nut, and the nut is arranged above the bottom plate (1).

10. The processing tool for a reduction gearbox according to claim 1, characterized in that: A plurality of fastening devices are arranged on the base plate (1).

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