Special tool for machining shaft bracket

Abstract

A special tool for shaft support machining belongs to the technical field of special clamps and comprises a shaft support, a positioning device and locking devices, the positioning device is arranged on a workbench, the shaft support is arranged on the positioning device, and the two ends of the shaft support are fixed to the workbench through the locking devices; the shaft support is of a U-shaped groove-shaped structure with a bend in the middle and comprises a horizontal part, a bent part and an inclined part, one end of the horizontal part is connected with one end of the bent part, the other end of the bent part is connected with the inclined part, a horizontal plate is arranged in the middle of the inclined part, and a circular column is vertically arranged in the middle of the horizontal plate. The bent part is of an arc-shaped structure and is in transition connection with the horizontal part and the inclined part through the radian of the bent part. The special tool has the advantages that the shaft support in an irregular shape is positioned and fixed, machining is convenient, the construction period can be shortened, reworking can be reduced, cost is saved, and more orders can be fished for subsequent procedures.

Description

Technical Field

[0001] The utility model belongs to the technical field of special clamps, and in particular relates to a special tool for machining a shaft bracket. Background Art

[0002] At present, there is no special tooling for shaft bracket processing on the market. The shaft bracket is difficult to process due to its irregular shape. The existing ones all use temporary accessories on the machine tool to perform single-piece discontinuous processing. This processing method is limited by many factors. Due to the lack of experience of employees, it is easy to cause inaccurate positioning of the workpiece, resulting in errors in workpiece processing; since the accessories required for workpiece positioning and clamping are all random, the accessories will need to be processed in advance due to inappropriate size of the accessories, resulting in reduced processing efficiency; the processing errors caused by the numerous measured dimensions and angles will lead to processing obstructions, and more seriously, the processing will be scrapped, thus affecting this processing method and failing to meet the accuracy requirements of the shaft bracket drawings and the processing efficiency required by customers. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to design a special tool for shaft bracket processing to solve the technical problems of many errors and low processing efficiency in the existing processing methods mentioned in the background technology. It can also shorten the construction period, reduce rework, save costs and win more orders.

[0004] To achieve the above-mentioned object, the present invention adopts the following technical solution: a special tool for processing a shaft bracket, comprising a shaft bracket, a positioning device and a locking device, wherein the positioning device is arranged on a workbench, the shaft bracket is arranged on the positioning device and supported by the positioning device, and the locking device is divided into a head end locking device and a tail end locking device, and the two ends of the shaft bracket are fixed to the workbench by the head end locking device and the tail end locking device;

[0005] The shaft bracket is a "U"-shaped groove structure with a bend in the middle. The shaft bracket includes a horizontal part, a bent part and an inclined part. One end of the horizontal part is connected to one end of the bent part, and the other end of the bent part is connected to the inclined part. A horizontal plate is provided in the middle of the inclined part, and a circular column is vertically provided in the middle of the horizontal plate. The bottom surface of the circular column is provided with a first positioning surface, the bottom surface of the horizontal part is provided with a second positioning surface, and the end of the horizontal part is provided with a third positioning surface. The bent part is an arc-shaped structure, which is transitionally connected to the horizontal part and the inclined part through its curvature.

[0006] The positioning device includes a base plate, a support seat A, a positioning plate A, a support seat B, a positioning plate B and a limit block. The base plate is a horizontally arranged rectangular plate, which is fixed on the workbench. A support seat A is provided at one end of its surface. The support seat A is a cylindrical structure. A positioning plate A is provided at the top of the support seat A. A support seat B is provided at the other end of the base plate. A positioning plate B is provided on the support seat B. A limit block is provided at one end of the surface of the positioning plate B.

[0007] The support seat B includes a support plate and an angle support. The support plate is vertically arranged on the base plate. A positioning plate B is provided on the top of the support plate. An angle support is provided between the support plate and the base plate. The angle support is perpendicular to the support plate.

[0008] The positioning plate A is a rectangular structure with a circular groove on its upper surface, and the circular groove contacts and cooperates with the first positioning surface of the circular cylindrical bottom surface of the shaft bracket; the positioning plate B is a rectangular structure, and the positioning plate B contacts and cooperates with the second positioning surface of the bottom surface of the horizontal part of the shaft bracket; the limit block contacts and cooperates with the third positioning surface at the end of the horizontal part of the shaft bracket.

[0009] The head-end locking includes a pressure plate A, a screw rod A and a support rod A. The pressure plate A is a rectangular plate structure. A support rod A is vertically provided at one end of the bottom of the pressure plate A. The top of the support rod A is connected to the bottom of the pressure plate A. The bottom of the support rod A is in contact with the workbench. The bottom of the other end of the pressure plate A is in contact with the edge of the end of the inclined part of the shaft bracket. A long strip through hole is provided on the surface of the pressure plate A. A screw rod A is provided in the long strip through hole. The bottom of the screw rod A is connected to the workbench. A nut is provided at the end of the screw rod A after passing through the pressure plate A from the long strip through hole.

[0010] The end locking includes a pressure plate B, a screw rod B and a support rod B. The pressure plate B is a rectangular plate structure. A support rod B is vertically provided at one end of the bottom of the pressure plate B. The top of the support rod B is connected to the bottom of the pressure plate B. The bottom of the support rod B is in contact with the workbench. The other end of the pressure plate B is in contact with the edge of the end of the horizontal part of the shaft bracket. A long strip through hole is provided on the surface of the pressure plate B. A screw rod B is provided in the long strip through hole. The bottom of the screw rod B is connected to the workbench. A nut is provided at the end of the screw rod B after passing through the pressure plate B from the long strip through hole.

[0011] The beneficial effects of the utility model are: positioning and fixing of irregularly shaped shaft brackets, facilitating processing, and using the special tooling can shorten the construction period, reduce rework, save costs, and enable subsequent orders to be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a bottom schematic diagram of the central axis bracket of the present invention.

[0014] Figure 3 This is a schematic diagram of the positioning device structure in the utility model.

[0015] In the figure: 1. Support rod A, 2. Screw A, 3. Pressing plate A, 4. Circular column, 5. Axis bracket, 501. Horizontal part, 502. Bending part, 503. Inclined part, 504. Horizontal plate, 505. First positioning surface, 506. Second positioning surface, 507. Third positioning surface, 6. Positioning device, 601. Bottom plate, 602. Support seat A, 603. Positioning plate A, 6031. Circular groove, 604. Support plate, 605. Angle support, 606. Positioning plate B, 607. Limiting block, 7. Support rod B, 8. Screw B, 9. Pressing plate B. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings of this specification to clearly and completely describe the technical solution of the utility model. It should be noted that the embodiments described are only some of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 3, a special tool for shaft bracket processing, including a shaft bracket 5, a positioning device 6 and a locking device, the positioning device 6 is set on the workbench, the shaft bracket 5 is set on the positioning device 6 and supported by the positioning device 6, the locking device is divided into a head end locking and an end locking, and the two ends of the shaft bracket 5 are fixed to the workbench by the head end locking and the end locking; the shaft bracket 5 is a "U"-shaped groove structure with a bend in the middle, the shaft bracket 5 includes a horizontal part 501, a bent part 502 and an inclined part 503, and one end of the horizontal part 501 The end is connected to one end of the bending part 502, and the other end of the bending part 502 is connected to the inclined part 503. A horizontal plate 504 is provided in the middle of the inclined part 503, and a circular column 4 is vertically provided in the middle of the horizontal plate 504. The bottom surface of the circular column 4 is provided with a first positioning surface 505, and the bottom surface of the horizontal part 501 is provided with a second positioning surface 506. The end of the horizontal part 501 is provided with a third positioning surface 507. The bending part 502 is an arc-shaped structure, which is transitionally connected to the horizontal part 501 and the inclined part 503 through its curvature. The positioning device 6 includes a base plate 601, a support seat A602, a positioning plate A603, a support seat B, a positioning plate B606, and a stop block 607. The base plate 601 is a horizontally arranged rectangular plate fixed to a workbench. One end of its surface is provided with a support seat A602. The support seat A602 is a cylindrical structure with a positioning plate A603 provided at the top of the support seat A602. The other end of the base plate 601 is provided with a support seat B. The support seat B is provided with a positioning plate B606. A stop block 607 is provided at one end of the surface of the positioning plate B. The support seat B includes a support plate 604 and an angle support 605. The support plate 604 is vertically arranged on the base plate 601. The top of the support plate 604 is provided with a positioning plate B606. An angle support 605 is provided between the support plate 604 and the base plate 601. The angle support 605 is perpendicular to the support plate 604. The positioning plate A603 is a rectangular structure, and a circular groove 6031 is provided on its upper surface. The circular groove 6031 contacts and cooperates with the first positioning surface 505 on the bottom surface of the circular column 4 of the shaft bracket 5; the positioning plate B606 is a rectangular structure, and the positioning plate B606 contacts and cooperates with the second positioning surface 506 on the bottom surface of the horizontal part 501 of the shaft bracket 5; the limit block 607 contacts and cooperates with the third positioning surface 507 at the end of the horizontal part 501 of the shaft bracket 5.The head-end locking includes a pressure plate A3, a screw A2 and a support rod A1. The pressure plate A3 is a rectangular plate structure. A support rod A1 is vertically provided at one end of the bottom of the pressure plate A3. The top of the support rod A1 is connected to the bottom of the pressure plate A3. The bottom of the support rod A1 is in contact with the workbench. The bottom of the other end of the pressure plate A3 is in contact with the edge of the end of the inclined part 503 of the shaft bracket 5. A long strip through hole is provided on the surface of the pressure plate A3. A screw A2 is provided in the long strip through hole. The bottom of the screw A2 is connected to the workbench. A nut is provided at the end of the screw A2 after passing through the pressure plate A3 from the long strip through hole. The end locking includes a pressure plate B9, a screw B8 and a support rod B7. The pressure plate B9 is a rectangular plate structure. A support rod B7 is vertically provided at one end of the bottom of the pressure plate B9. The top of the support rod B7 is connected to the bottom of the pressure plate B9. The bottom of the support rod B7 is in contact with the workbench. The other end of the pressure plate B9 is in contact with the edge of the end of the horizontal part 501 of the shaft bracket 5. A long strip through hole is provided on the surface of the pressure plate B9. A screw B8 is provided in the long strip through hole. The bottom of the screw B8 is connected to the workbench. A nut is provided at the end of the screw B8 after passing through the pressure plate B9 from the long strip through hole.

[0018] When the utility model is in use:

[0019] First, install the bottom plate 601 of the positioning device 6 on the workbench. Next, match the bottom surface of the circular column 4 of the shaft bracket 5, that is, the first positioning surface 505, with the circular groove 6031 on the surface of the positioning plate A603. The circular groove 6031 has a cutout for facilitating quick positioning with the first positioning surface 505. Then, make the bottom surface of the horizontal part 501 of the shaft bracket 5, that is, the second positioning surface 506, contact with the surface of the positioning plate B606, and then make the end of the horizontal part 501, that is, the third positioning surface 507, contact with the limit block 607. At this time, the shaft bracket is completed. The positioning process of the frame 5 is then carried out, and the lower ends of the screws A2 and B8 are first installed on the workbench, and then the pressing plates A3 and B9 are used to match the end edges of the inclined part 503 and the end edges of the horizontal part 501 respectively. Next, the lower ends of the support rods A1 and B8 are made to contact the workbench surface, and then the tops of the screws A2 and B8 are passed through the long through holes of the pressing plates A3 and B9 and fixed with nuts respectively to complete the locking process. At this time, the shaft bracket 5 is fixed on the workbench by the locking device, which is convenient for processing.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0021] The parts not described in detail in this utility model are prior art.

Claims

1. A special tool for machining a shaft support, comprising a shaft support (5), a positioning device (6) and a locking device, characterized in that: The positioning device (6) is arranged on the workbench, the shaft bracket (5) is arranged on the positioning device (6) and supported by the positioning device (6), and the locking device is divided into a head end locking and a tail end locking, and the two ends of the shaft bracket (5) are fixed on the workbench by the head end locking and the tail end locking; The shaft support (5) is a "U"-shaped groove structure with a bend in the middle. The shaft support (5) includes a horizontal part (501), a bend part (502) and an inclined part (503). One end of the horizontal part (501) is connected to one end of the bend part (502), and the other end of the bend part (502) is connected to the inclined part (503). A horizontal plate (504) is provided in the middle of the inclined part (503). A circular column (4) is vertically provided in the middle of the horizontal plate (504). A first positioning surface (505) is provided on the bottom surface of the circular column (4). A second positioning surface (506) is provided on the bottom surface of the horizontal part (501). A third positioning surface (507) is provided on the end of the horizontal part (501). The bend part (502) is an arc-shaped structure and is transitionally connected to the horizontal part (501) and the inclined part (503) through its curvature.

2. The special tool for machining a shaft support according to claim 1, characterized in that: The positioning device (6) includes a base plate (601), a support seat A (602), a positioning plate A (603), a support seat B, a positioning plate B (606) and a limit block (607). The base plate (601) is a horizontally arranged rectangular plate. The base plate (601) is fixed on a workbench and has a support seat A (602) at one end of its surface. The support seat A (602) is a cylindrical structure and has a positioning plate A (603) at the top of the support seat A (602). The other end of the base plate (601) is provided with a support seat B. The support seat B is provided with a positioning plate B (606). A limit block (607) is provided at one end of the surface of the positioning plate B (606).

3. The special tool for machining a shaft support according to claim 2, characterized in that: The support base B comprises a support plate (604) and an angle support (605), wherein the support plate (604) is vertically arranged on the base plate (601), a positioning plate B (606) is provided on the top of the support plate (604), and an angle support (605) is provided between the support plate (604) and the base plate (601), wherein the angle support (605) is perpendicular to the support plate (604).

4. The special tool for machining a shaft support according to claim 2, characterized in that: The positioning plate A (603) is a rectangular structure, and a circular groove (6031) is provided on its upper surface, and the circular groove (6031) contacts and cooperates with the first positioning surface (505) of the bottom surface of the circular column (4) of the shaft support (5); the positioning plate B (606) is a rectangular structure, and the positioning plate B (606) contacts and cooperates with the second positioning surface (506) of the bottom surface of the horizontal part (501) of the shaft support (5); the limit block (607) contacts and cooperates with the third positioning surface (507) at the end of the horizontal part (501) of the shaft support (5).

5. The special tool for machining a shaft support according to claim 1, characterized in that: The head end locking includes a pressure plate A (3), a screw rod A (2) and a support rod A (1). The pressure plate A (3) is a rectangular plate structure. A support rod A (1) is vertically provided at one end of the bottom of the pressure plate A (3). The top of the support rod A (1) is connected to the bottom of the pressure plate A (3). The bottom of the support rod A (1) contacts the workbench. The bottom of the other end of the pressure plate A (3) contacts and cooperates with the edge of the end of the inclined part (503) of the shaft bracket (5). A long strip through hole is provided on the surface of the pressure plate A (3). A screw rod A (2) is provided in the long strip through hole. The bottom of the screw rod A (2) is connected to the workbench. A nut is provided at the end of the screw rod A (2) after passing through the pressure plate A (3) from the long strip through hole.

6. The special tool for machining a shaft support according to claim 1, characterized in that: The end locking includes a pressure plate B (9), a screw rod B (8) and a support rod B (7). The pressure plate B (9) is a rectangular plate structure. A support rod B (7) is vertically provided at one end of the bottom of the pressure plate B (9). The top of the support rod B (7) is connected to the bottom of the pressure plate B (9). The bottom of the support rod B (7) is in contact with the workbench. The other end of the pressure plate B (9) is in contact with the edge of the end of the horizontal part (501) of the shaft bracket (5). A long strip through hole is provided on the surface of the pressure plate B (9). A screw rod B (8) is provided in the long strip through hole. The bottom of the screw rod B (8) is connected to the workbench. A nut is provided after the end of the screw rod B (8) passes through the pressure plate B (9) from the long strip through hole.

Images