Shaft hole honing clamp

Abstract

The utility model discloses a shaft hole honing clamp which comprises a bottom plate and a vertical plate fixed on one side of the bottom plate, a guide block is fixed on one side of the vertical plate, a positioning sleeve is placed on the top of the bottom plate, a nylon pressing sleeve corresponding to the positioning sleeve is installed at the front end of a lever, the positioning sleeve is composed of a top sleeve piece and a bottom sleeve piece, and the bottom sleeve piece is fixed on the bottom plate. The top external member is rotatably mounted at the top of the bottom external member, the bottom end of the bottom external member is inserted into a middle hole in the surface of the bottom plate, and a quick disassembly and assembly structure is arranged between the bottom external member and the bottom plate; according to the shaft hole honing fixture, the shaft hole honing fixture in the prior art is improved and optimized, and the quick disassembly and assembly structure is arranged between the positioning sleeve and the bottom plate, so that the positioning sleeve can be quickly assembled and disassembled at the top of the bottom plate, the disassembly and assembly convenience is greatly improved, meanwhile, the disassembly and assembly process can be easily completed by hands without any tool, and the disassembly and assembly efficiency is improved. And convenience is brought to operators to disassemble, assemble and replace the positioning sleeve when the positioning sleeve is used.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamps, and in particular relates to a shaft hole honing clamp. Background Art

[0002] Honing of shaft holes is one of the indispensable steps in the processing of some shaft parts. The shaft parts are mainly clamped by shaft hole honing fixtures, and then the shaft holes are honed by external honing equipment. For example, the existing patent with publication number CN110328602A discloses "a positioning fixture for honing of automobile connecting rod crankshaft holes, including a clamp body, a placement platform is provided on the clamp body, and a placement pad for placing the connecting rod is provided on the placement platform". It can be seen that the application describes a common shaft hole honing fixture;

[0003] When the shaft hole honing fixture in the prior art is actually used, the positioning sleeve is placed above the base plate and below the nylon pressure sleeve to facilitate the subsequent positioning and placement of the shaft part. However, since the positioning sleeve and the base plate are connected by traditional bolts, these bolts need to be repeatedly screwed and disassembled with the help of tools such as wrenches each time they are disassembled and assembled, which takes a certain amount of time. As a result, the positioning sleeve is not easy to disassemble and assemble, and is not convenient for rapid disassembly, assembly, and replacement during subsequent use. This has disadvantages. For this reason, the utility model proposes a shaft hole honing fixture. Utility Model Content

[0004] The utility model aims to provide a shaft hole honing fixture to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a shaft hole honing fixture, comprising a base plate and a vertical plate fixed on one side of the base plate, a guide block is fixed on one side of the vertical plate, and the guide plates are fixed on the front and rear surfaces of the guide blocks, a lever is arranged on the top of the vertical plate, the rear end of the lever extends to the inner side of the guide block and is hinged on the guide block, a cover plate is fixed on one side of the two guide plates, a slidable slider is arranged between the cover plate and the guide block, the top end of the slider is hinged with a connecting block, the other end of the connecting block is hinged with the lever, a tension spring seat is fixed on the bottom end of the slider, a tension spring is connected between the tension spring seat and the guide plate, a positioning sleeve is placed on the top of the base plate, a nylon pressing sleeve corresponding to the positioning sleeve is installed on the front end of the lever, and the positioning sleeve is composed of a top sleeve and a bottom sleeve The top kit is rotatably installed on the top of the bottom kit, and the bottom end of the bottom kit is inserted into the middle hole on the surface of the bottom plate. A quick-disassembly structure is provided between the bottom kit and the bottom plate, and the quick-disassembly structure includes a connecting rod, a connecting socket and a telescopic bead A. Two connecting rods are fixed to the bottom surface of the bottom kit, and two connecting sockets corresponding to the connecting rods are provided on the surface of the bottom plate. The connecting rods are inserted into the connecting sockets, and the quick-disassembly structure also includes an inner groove A provided inside the bottom plate, a spring A is provided in the inner groove A, and the telescopic bead A is movably installed in the inner groove A through the spring A, a connecting socket corresponding to the telescopic bead A is provided on the side of the connecting rod, and one end of the telescopic bead A pops out into the connecting socket, and a rotating structure is provided between the top kit and the bottom kit.

[0006] Preferably, the rotating structure includes two T-shaped seat blocks fixed on the top of the bottom kit, and an annular groove corresponding to the T-shaped seat blocks is opened inside the top kit. The T-shaped seat block is slidably located in the annular groove, and an inner groove B is opened in the T-shaped seat block. A spring B and a telescopic bead B are arranged in the inner groove B, and the telescopic bead B is movably installed in the inner groove B through the spring B. A plurality of positioning grooves corresponding to the telescopic bead B are evenly opened on the upper wall of the annular groove, and the top end of the telescopic bead B pops out into one of the positioning grooves.

[0007] Preferably, the bottom end of the spring B is fixed to the bottom inner wall of the inner groove B, the top end of the spring B is fixedly connected to the telescopic bead B, and the top surface of the T-shaped seat block is provided with a pop-up hole communicating with the inner groove B, and the pop-up hole corresponds to the telescopic bead B.

[0008] Preferably, one end of the spring A is fixed on the inner wall of the inner groove A, and the other end of the spring A is fixedly connected to the telescopic bead A. A side hole is provided between the inner groove A and the connecting socket, and the side hole corresponds to the telescopic bead A.

[0009] Preferably, a connecting screw is installed at the bottom end of the tension spring seat, the top end of the tension spring is connected to the hanging rod on the side of the guide plate, the bottom end of the tension spring is connected to the bottom end of the connecting screw, and a machine foot washer is also provided at the top of the base plate relative to the outside of the positioning sleeve, and a positioning pin A and a positioning pin B are also provided at the top of the base plate, and the top ends of the positioning pin A and the positioning pin B both penetrate to the top of the machine foot washer.

[0010] Compared with the prior art, the beneficial effect of the utility model is as follows: the utility model improves and optimizes the shaft hole honing fixture in the prior art, and sets a quick disassembly structure between the positioning sleeve and the base plate, so that the positioning sleeve can be quickly installed and disassembled on the top of the base plate, greatly improving the convenience of disassembly and assembly. At the same time, no tools are required during the disassembly and assembly process, and it can be easily completed by hand, which brings convenience to the operator to disassemble, assemble and replace the positioning sleeve during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional diagram of the utility model;

[0012] Figure 2 It is a cross-sectional view of the utility model;

[0013] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A area;

[0014] Figure 4 For this utility model Figure 3 A partial enlarged view of the middle B area;

[0015] In the figure: 1. bottom plate; 2. vertical plate; 3. guide plate; 4. guide block; 5. tension spring seat; 6. slider; 7. cover plate; 8. connecting block; 9. lever; 10. nylon pressure sleeve; 11. positioning sleeve; 111. top kit; 112. bottom kit; 12. machine foot washer; 13. positioning pin A; 14. positioning pin B; 15. tension spring; 16. connecting screw; 171. connecting rod; 172. connecting socket; 173. inner groove A; 174. spring A; 175. telescopic bead A; 176. connecting slot; 181. T-shaped seat block; 182. annular slide groove; 183. inner groove B; 184. spring B; 185. telescopic bead B; 186. positioning slot. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0017] See also Figures 1 to 3 , which is the first embodiment of the utility model, and this embodiment provides a technical solution: a shaft hole honing fixture, comprising a base plate 1 and a vertical plate 2 fixed to one side of the base plate 1 by bolts, a guide block 4 is fixed to one side of the vertical plate 2 by bolts, and a guide plate 3 is fixed to the front and rear surfaces of the guide block 4 by bolts, a lever 9 is arranged on the top of the vertical plate 2, and the rear end of the lever 9 extends to the inner side of the guide block 4 and is hinged to the guide block 4, a cover plate 7 is fixed to one side of the two guide plates 3 by bolts, a slidable slider 6 is arranged between the cover plate 7 and the guide block 4, the top end of the slider 6 is hinged to a connecting block 8 by a rotating shaft, and the other end of the connecting block 8 is hinged to the lever 9 by a rotating shaft, and the bottom end of the slider 6 is bolted A tension spring seat 5 is fixed, and a tension spring 15 is connected between the tension spring seat 5 and the guide plate 3. A positioning sleeve 11 is placed on the top of the bottom plate 1, and a nylon pressing sleeve 10 corresponding to the positioning sleeve 11 is installed at the front end of the lever 9. The positioning sleeve 11 consists of a top kit 111 and a bottom kit 112. The top kit 111 is rotatably installed on the top of the bottom kit 112. The bottom end of the bottom kit 112 is inserted into the middle hole on the surface of the bottom plate 1. The middle hole is opened at the center of the bottom plate 1, and the position corresponds to the nylon pressing sleeve 10. A quick-disassembly structure is provided between the bottom kit 112 and the bottom plate 1. The quick-disassembly structure includes a connecting rod 171, a connecting socket 172 and a telescopic card bead A175. Two A connecting rod 171 is provided on the surface of the bottom plate 1 with two connecting sockets 172 corresponding to the connecting rod 171, and the connecting rod 171 is inserted into the connecting socket 172. The quick disassembly structure also includes an inner groove A173 provided inside the bottom plate 1, and a spring A174 is provided in the inner groove A173. The telescopic bead A175 is movably installed in the inner groove A173 through the spring A174. A connecting groove 176 corresponding to the telescopic bead A175 is provided on the side of the connecting rod 171, and one end of the telescopic bead A175 pops out into the connecting groove 176, which can engage and limit the T-shaped seat block 181, so as to realize the rapid and stable installation of the positioning sleeve 11. In the early stage, the positioning sleeve 11 is installed When installing, the operator only needs to place the positioning sleeve 11 on the top of the base plate 1, and then insert the bottom end of the bottom sleeve 112 into the middle hole on the surface of the base plate 1, and insert the connecting rod 171 into the connecting hole 172. During the insertion process, the connecting rod 171 will first squeeze the telescopic bead A175 into the inner groove A173 until the top of the bottom sleeve 112 fits with the top surface of the base plate 1, and the connecting rod 171 is completely inserted into the connecting hole 172. At this time, the telescopic bead A175 will reset and rebound under the push of the spring A174, so that the end of the telescopic bead A175 is stuck in the connecting groove 176, so as to limit the connecting rod 171 and complete the quick and stable installation of the positioning sleeve 11.

[0018] Among them, one end of the spring A174 is fixed on the inner wall of the inner groove A173, and the other end of the spring A174 is fixedly connected to the telescopic bead A175 to ensure the installation stability of the spring A174. A side hole is opened between the inner groove A173 and the connecting socket 172, and the side hole corresponds to the telescopic bead A175 to facilitate the smooth popping out of the telescopic bead A175.

[0019] The bottom end of the tension spring seat 5 is provided with a connecting screw 16, the top end of the tension spring 15 is connected to the hanging rod on the side of the guide plate 3, and the bottom end of the tension spring 15 is connected to the bottom end of the connecting screw 16, so that the tension spring 15 is stably installed, so that the subsequent tension spring seat 5 and the slider 6 will be subjected to the upward pulling force of the tension spring 15. In actual use, the tension spring seat 5 and the slider 6 will move upward due to the upward pulling of the tension spring 15 in the initial state, so that the slider 6 brings the right end of the connecting block 8 up, and the left end of the connecting block 8 rotates downward and The inclined surface of the right end of the lever 9 is squeezed, so that the right end of the lever 9 rotates downward and the left end of the lever 9 rises, so that the nylon pressing sleeve 10 is lifted. At this time, the shaft to be processed can be placed on the positioning sleeve 11, and then the operator manually presses down the slider 6 to move the tension spring seat 5 downward and stretch the tension spring 15, and rotates the connecting block 8 and the lever 9 to reset, so that the nylon pressing sleeve 10 can move down to clamp the shaft placed on the positioning sleeve 11, which is convenient for the subsequent honing of the shaft hole.

[0020] Among them, a machine foot gasket 12 is also provided on the top of the base plate 1 relative to the outer side of the positioning sleeve 11, and a positioning pin A13 and a positioning pin B14 are also provided on the top of the base plate 1. The top ends of the positioning pin A13 and the positioning pin B14 both penetrate to the top of the machine foot gasket 12. Example

[0021] See also Figures 1 to 4 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that the top kit 111 can be rotated and adjusted on the top of the bottom kit 112 by setting a rotating structure, so that subsequent operators can rotate and adjust the orientation of the shaft placed on the top kit 111.

[0022] Specifically, a rotating structure is provided between the top kit 111 and the bottom kit 112, and the rotating structure includes two T-shaped seat blocks 181 welded and fixed on the top of the bottom kit 112, and an annular slide groove 182 corresponding to the T-shaped seat block 181 is provided inside the top kit 111, and the T-shaped seat block 181 is slidably located in the annular slide groove 182, so that the top kit 111 can be rotated on the top of the bottom kit 112, so that subsequent operators can rotate and adjust the orientation of the shaft placed on the top kit 111, and an inner groove B183 is provided in the T-shaped seat block 181, and a spring B184 and a telescopic card bead B185 are provided in the inner groove B183, and the telescopic card bead B185 is movably installed in the inner groove B183 through the spring B184, and a plurality of positioning card grooves 186 corresponding to the telescopic card bead B185 are evenly provided on the upper wall of the annular slide groove 182. The top end of bead B185 pops out into one of the positioning slots 186, which can limit the top kit 111. If you want to rotate and adjust the top kit 111 later, you only need to rotate the top kit 111 forcefully so that the top end of the telescopic bead B185 is squeezed into the inner groove B183, and the top kit 111 can be rotated smoothly. During the rotation of the top kit 111, if the positioning slots 186 at other positions are aligned with the telescopic bead B185, the telescopic bead B185 will be inserted into the positioning slot 186 under the push of the spring B184, and the top kit 111 can be limited again, thereby realizing the re-limitation of the top kit 111 after the rotation adjustment, realizing the rotation adjustment of the top kit 111, and facilitating the rotation adjustment of the shaft placed on the top kit 111, so as to facilitate processing without removing the shaft for adjustment.

[0023] Among them, the bottom end of the spring B184 is fixed to the bottom inner wall of the inner groove B183, and the top end of the spring B184 is fixedly connected to the telescopic bead B185 to ensure the installation stability of the spring B184. The top surface of the T-shaped seat block 181 is provided with a pop-up hole connected to the inner groove B183, and the pop-up hole corresponds to the telescopic bead B185 for the telescopic bead B185 to be ejected.

[0024] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shaft hole honing fixture, comprising a base plate (1) and a vertical plate (2) fixed to one side of the base plate (1), a guide block (4) fixed to one side of the vertical plate (2), guide plates (3) fixed to the front and rear surfaces of the guide block (4), a lever (9) provided on the top of the vertical plate (2), a rear end of the lever (9) extending to the inner side of the guide block (4) and hinged to the guide block (4), a cover plate (7) fixed to one side of the two guide plates (3), the cover plate (7) and the guide block (4) is provided with a slidable slider (6), the top end of the slider (6) is hinged with a connecting block (8), the other end of the connecting block (8) is hinged with a lever (9), the bottom end of the slider (6) is fixed with a tension spring seat (5), a tension spring (15) is connected between the tension spring seat (5) and the guide plate (3), a positioning sleeve (11) is placed on the top of the bottom plate (1), and a nylon pressing sleeve (10) corresponding to the positioning sleeve (11) is installed at the front end of the lever (9), characterized in that: The positioning sleeve (11) is composed of a top sleeve (111) and a bottom sleeve (112); the top sleeve (111) is rotatably mounted on the top of the bottom sleeve (112); the bottom end of the bottom sleeve (112) is inserted into a middle hole on the surface of the bottom plate (1); a quick-disassembly structure is provided between the bottom sleeve (112) and the bottom plate (1); the quick-disassembly structure comprises a connecting rod (171), a connecting socket (172) and a telescopic bead A (175); two connecting rods (171) are fixed to the bottom surface of the bottom sleeve (112); and two connecting sockets (172) corresponding to the connecting rods (171) are provided on the surface of the bottom plate (1). 2), the connecting rod (171) is inserted into the connecting hole (172), the quick-disassembly structure further comprises an inner groove A (173) provided inside the bottom plate (1), a spring A (174) is provided inside the inner groove A (173), the telescopic bead A (175) is movably installed in the inner groove A (173) via the spring A (174), a connecting groove (176) corresponding to the telescopic bead A (175) is provided on the side of the connecting rod (171), one end of the telescopic bead A (175) pops out into the connecting groove (176), and a rotating structure is provided between the top kit (111) and the bottom kit (112).

2. The shaft hole honing fixture according to claim 1, characterized in that: The rotating structure comprises two T-shaped seat blocks (181) fixed on the top of the bottom kit (112); an annular sliding groove (182) corresponding to the T-shaped seat blocks (181) is provided inside the top kit (111); and the T-shaped seat blocks (181) are slidably located in the annular sliding groove (182).

3. The shaft hole honing fixture according to claim 2, characterized in that: An inner groove B (183) is formed in the T-shaped seat block (181), and a spring B (184) and a telescopic bead B (185) are provided in the inner groove B (183). The telescopic bead B (185) is movably mounted in the inner groove B (183) by means of the spring B (184). A plurality of positioning grooves (186) corresponding to the telescopic bead B (185) are evenly formed on the upper wall of the annular slide groove (182), and the top end of the telescopic bead B (185) pops out into one of the positioning grooves (186).

4. The shaft hole honing fixture according to claim 3, characterized in that: The bottom end of the spring B (184) is fixed to the inner wall of the bottom end of the inner groove B (183), and the top end of the spring B (184) is fixedly connected to the telescopic bead B (185).

5. The shaft hole honing fixture according to claim 3, characterized in that: The top surface of the T-shaped seat block (181) is provided with an ejection hole communicating with the inner groove B (183), and the ejection hole corresponds to the telescopic card bead B (185).

6. The shaft hole honing fixture according to claim 1, characterized in that: One end of the spring A (174) is fixed to the inner wall of the inner groove A (173), and the other end of the spring A (174) is fixedly connected to the telescopic bead A (175).

7. The shaft hole honing fixture according to claim 1, characterized in that: A side hole is provided between the inner groove A (173) and the connecting plug hole (172), and the side hole corresponds to the telescopic card bead A (175).

8. The shaft hole honing fixture according to claim 1, characterized in that: A connecting screw (16) is installed at the bottom end of the tension spring seat (5), the top end of the tension spring (15) is connected to a hanging rod on the side of the guide plate (3), and the bottom end of the tension spring (15) is connected to the bottom end of the connecting screw (16).

9. The shaft hole honing fixture according to claim 1, characterized in that: A machine foot washer (12) is also provided on the top of the base plate (1) relative to the outer side of the positioning sleeve (11), and a positioning pin A (13) and a positioning pin B (14) are also provided on the top of the base plate (1), and the top ends of the positioning pin A (13) and the positioning pin B (14) both penetrate to the top of the machine foot washer (12).

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