Positioning jig for speed reducer box body

Abstract

The utility model relates to a positioning jig for a speed reducer box body, and belongs to the technical field of speed reducer box body machining tools, the positioning jig comprises a bottom plate and a positioning clamping device installed on the bottom plate, the positioning clamping device comprises a shaft hole positioning clamping assembly, a box body clamping assembly and a plurality of supporting rods, the shaft hole positioning and clamping assembly comprises a first support, a first air cylinder, a lifting block and a plurality of clamping modules, the first support is fixed to the bottom plate, the first air cylinder is vertically fixed in the first support, the lifting block is arranged at the top of the first support and driven by the first air cylinder to ascend and descend, and the clamping modules are arranged on the lifting block. The multiple clamping modules are annularly and evenly arranged on the peripheral side of the lifting block. The device is simple in structure and easy to manufacture, the shaft hole positioning and clamping assembly is arranged to conduct inner supporting and clamping from the shaft hole part of the speed reducer box body, opposite supporting and clamping are conducted from the two sides of the speed reducer box body through the left side stop block and the right side clamping piece, and the overall clamping effect is good.

Description

Technical Field

[0001] The present application relates to the technical field of tools for processing reducer housings, and in particular to a positioning jig for reducer housings. Background Art

[0002] At present, with the development of the automation industry, a variety of products have emerged, and the non-standard industry has also received great attention. The non-standard industry needs to develop different products according to the different requirements of customers.

[0003] For example Figure 1 If the non-standard reducer housing 7 shown is fixed in position using conventional clamping equipment, the clamping effect is poor and the surface thereof is easily damaged.

[0004] Therefore, when processing it, it is necessary to specially develop corresponding clamping fixtures. Utility Model Content

[0005] The purpose of this application is to provide a positioning fixture for a reducer housing to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present application provides a positioning fixture for a reducer housing adopting the following technical solution:

[0007] A positioning fixture for a reducer case includes a base plate and a positioning clamping device mounted on the base plate, the positioning clamping device includes an axial hole positioning clamping assembly, a case clamping assembly, and multiple support rods, the axial hole positioning clamping assembly includes a first bracket, a first cylinder, a lifting block, and multiple clamping modules, the first bracket is fixed to the base plate, the first cylinder is vertically fixed in the first bracket, the lifting block is set on the top of the first bracket and is driven to rise and fall by the first cylinder, and the multiple clamping modules are evenly arranged in a ring around the lifting block;

[0008] The box clamping assembly includes a left stop block and a right clamping piece, the left stop block is fixed to the bottom plate, the right clamping piece includes a second bracket, a second cylinder and a rotating arm, the second bracket is fixed to the bottom plate, the second cylinder is arranged in the second bracket, the rotating arm is vertically arranged next to the second bracket, a connecting rod is hinged on the rotating arm, one end of the connecting rod is hinged on the second bracket, the piston rod end of the second cylinder is hinged to the bottom end of the rotating arm, a supporting pad is fixed on the top of the second bracket, and an anti-slip pad is fixed on the top of the rotating arm near the left stop block;

[0009] A plurality of support rods are vertically fixed on the base plate to support the reducer housing.

[0010] The clamping module includes a base, a clamping arm and a connecting block. The base is fixed on the first bracket. One end of the connecting block is hinged to the base, the clamping arm is hinged to the connecting block, and one end of the clamping arm is hinged to the lifting block. A clamping block is detachably fixed on the side of the clamping arm away from the lifting block, and the working surface of the clamping block is an arc surface.

[0011] A positioning pad is fixed on the side wall of the left stop block close to the right clamping member, and the side wall of the positioning pad can be fitted to the reducer housing.

[0012] Preferably, in order to improve the clamping effect, the anti-slip pad, the clamping block and the positioning pad are all rubber pads.

[0013] A protective cover is further arranged on the top of the bottom plate. The protective cover is connected between the first bracket and the second bracket. A gas diverter is arranged in the protective cover, and the first cylinder and the second cylinder are both connected to the gas diverter.

[0014] In summary, the present application includes at least one of the following beneficial technical effects: The positioning fixture for the reducer housing is composed of relatively conventional mechanical components, with a simple structure and easy to manufacture. By setting the shaft hole positioning and clamping component to internally support and clamp from the shaft hole part of the reducer housing, and through the left stop block and the right clamping member to support and clamp from both sides of the reducer housing, the overall clamping effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram for reflecting the reducer housing in the prior art.

[0016] Figure 2 is a schematic overall structure diagram of an embodiment of the present application.

[0017] Figure 3 is a diagram of the use state of an embodiment of the present application.

[0018] Description of the reference numerals: 1, bottom plate; 2, shaft hole positioning and clamping component; 21, first bracket; 22, first cylinder; 23, lifting block; 24, clamping module; 241, base; 242, clamping arm; 243, connecting block; 244, clamping block; 3, support rod; 4, left stop block; 41, positioning pad; 5, right clamping member; 51, second bracket; 52, second cylinder; 53, rotating arm; 54, support pad; 55, connecting rod; 56, anti-slip pad; 6, protective cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following is a further detailed description of the present application in conjunction with the attached Figure 2-3 drawings.

[0020] This embodiment of the present application discloses a positioning fixture for a reducer housing. Refer to Figure 2-3 , which includes a bottom plate 1 and a positioning and clamping device mounted on the bottom plate 1. The positioning and clamping device includes a shaft hole positioning and clamping component 2, a housing clamping component, and two support rods 3. The shaft hole positioning and clamping component 2 includes a first bracket 21, a first cylinder 22, a lifting block 23, and a plurality of clamping modules 24. The first bracket 21 is fixed on the bottom plate 1, the first cylinder 22 is vertically fixed inside the first bracket 21, the lifting block 23 is arranged at the top of the first bracket 21 and is driven to lift by the first cylinder 22. The plurality of clamping modules 24 are arranged in a ring and evenly distributed around the circumference of the lifting block 23;

[0021] The clamping module 24 includes a base 241, a clamping arm 242, and a connecting block 243. The base 241 is fixed on the first bracket 21, one end of the connecting block 243 is hinged to the base 241, the clamping arm 242 is hinged to the connecting block 243, and one end of the clamping arm 242 is hinged to the lifting block 23. A clamping block 244 is detachably fixed on the side of the clamping arm 242 away from the lifting block 23, and the working surface of the clamping block 244 is an arc surface;

[0022] The housing clamping component includes a left stop block 4 and a right clamping member 5. The left stop block 4 is fixed on the bottom plate 1, and a stop pad 41 is fixed on the side wall of the left stop block 4 close to the right clamping member 5. The side wall of the stop pad 41 can be fitted to the reducer housing. The right clamping member 5 includes a second bracket 51, a second cylinder 52, and a rotating arm 53. The second bracket 51 is fixed on the bottom plate 1, the second cylinder 52 is arranged inside the second bracket 51, the rotating arm 53 is vertically arranged beside the second bracket 51, a connecting rod 55 is hinged on the rotating arm 53, one end of the connecting rod 55 is hinged to the second bracket 51, the end of the piston rod of the second cylinder 52 is hinged to the bottom end of the rotating arm 53, a support pad 54 is fixed on the top of the second bracket 51, and an anti-slip pad 56 is fixed on the side of the top of the rotating arm 53 close to the left stop block 4;

[0023] The two support rods 3 are vertically fixed on the bottom plate 1 and are used to support the reducer housing.

[0024] In order to improve the clamping effect, the anti-slip pad 56, the clamping block 244, and the stop pad 41 are all rubber pads.

[0025] Refer to Figure 1 , a protective cover 6 is further arranged on the top of the bottom plate 1. The protective cover 6 is connected between the first bracket 21 and the second bracket 51. A gas diverter is arranged inside the protective cover 6, and the first cylinder 22 and the second cylinder 52 are both connected to the gas diverter.

[0026] The implementation principle of a positioning fixture for a reducer housing in this embodiment of the present application is:

[0027] During use, align the shaft holes in the reducer housing with the shaft hole positioning and clamping assembly 2 and insert it. Make the left side of the housing abut against the left stop block 4. Under the support of the two support rods 3 and the support pads 54 at the top of the second bracket 51, the reducer housing can be placed stably on the fixture by its own gravity. After that, the second cylinder 52 extends to push the bottom end of the rotating arm 53 to move, and the top end of the rotating arm 53 pushes the reducer housing against the left stop block 4. At the same time, the first cylinder 22 extends to drive the lifting block 23 to move upward, and the lifting block 23 drives the clamping arm 242 to flip. The outer flip of the top of the clamping arm 242 drives the clamping block 244 to abut against the inner wall of the circular shaft hole, so as to complete the clamping and positioning of the entire reducer housing, and the clamping effect is good.

[0028] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A positioning fixture for a reducer housing, comprising a base plate (1) and a positioning clamping device mounted on the base plate (1), characterized in that: The positioning and clamping device comprises an axial hole positioning and clamping assembly (2), a box clamping assembly and a plurality of support rods (3); the axial hole positioning and clamping assembly (2) comprises a first bracket (21), a first cylinder (22), a lifting block (23) and a plurality of clamping modules (24); the first bracket (21) is fixed on the base plate (1); the first cylinder (22) is vertically fixed in the first bracket (21); the lifting block (23) is arranged on the top of the first bracket (21) and is driven to move up and down by the first cylinder (22); the plurality of clamping modules (24) are evenly arranged in a ring shape around the lifting block (23); The box clamping assembly includes a left stop block (4) and a right clamping member (5), wherein the left stop block (4) is fixed on the base plate (1), and the right clamping member (5) includes a second bracket (51), a second cylinder (52) and a rotating arm (53), wherein the second bracket (51) is fixed on the base plate (1), the second cylinder (52) is arranged in the second bracket (51), and the rotating arm (53) is vertically arranged next to the second bracket (51), and a connecting rod (55) is hinged on the rotating arm (53), one end of the connecting rod (55) is hinged on the second bracket (51), and the piston rod end of the second cylinder (52) is hinged to the bottom end of the rotating arm (53), a supporting pad (54) is fixed on the top of the second bracket (51), and an anti-slip pad (56) is fixed on the top of the rotating arm (53) near the left stop block (4). A plurality of support rods (3) are vertically fixed on the base plate (1) and are used to support the reducer housing.

2. The positioning fixture for the reducer housing according to claim 1, characterized in that: The clamping module (24) includes a base (241), a clamping arm (242) and a connecting block (243), wherein the base (241) is fixed on the first bracket (21), one end of the connecting block (243) is hinged on the base (241), the clamping arm (242) is hinged on the connecting block (243), and one end of the clamping arm (242) is hinged on the lifting block (23), and a clamping block (244) is detachably fixed on a side of the clamping arm (242) away from the lifting block (23), and the working surface of the clamping block (244) is an arc-shaped surface.

3. The positioning fixture for the reducer housing according to claim 2, characterized in that: A stop pad (41) is fixed on the side wall of the left stop block (4) close to the right clamping piece (5), and the side wall of the stop pad (41) can be fitted on the reducer housing.

4. The positioning fixture for the reducer housing according to claim 3, characterized in that: The anti-slip pad (56), the clamping block (244) and the stop pad (41) are all rubber pads.

5. The positioning fixture for the reducer housing according to claim 1, characterized in that: A protective cover (6) is also provided on the top of the base plate (1), and the protective cover (6) is connected between the first bracket (21) and the second bracket (51). A gas diverter is provided in the protective cover (6), and the first cylinder (22) and the second cylinder (52) are both connected to the gas diverter.

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