Disc tooth press fitting clamp

Abstract

The utility model relates to the field of disc tooth press fitting, and discloses a disc tooth press fitting clamp which comprises an identification rod, an upper supporting assembly and a lower pressing assembly, the height of the identification rod is smaller than the depth of a first groove and larger than the depth of a second groove, and a middle shaft is arranged between the supporting assembly and the lower pressing assembly. The supporting assembly comprises a bottom plate, a base, a first spring and a sliding shaft, the base is arranged at the upper end of the bottom plate, a sliding cavity is formed in the base in a penetrating mode, the sliding shaft is arranged in the sliding cavity in a sliding mode, the first spring is arranged between the sliding shaft and the bottom plate, and the recognition rod is arranged at the upper end of the base and located below the first groove or the second groove; by setting the height of the identification rod, when the second groove of the disc tooth is located above the identification rod, due to the fact that the depth of the second groove is smaller than the height of the identification rod, the disc tooth is jacked up by the identification rod, the disc tooth cannot be flatly placed, a worker can conveniently identify whether the disc tooth is installed reversely or not, and the press-fitting efficiency of the disc tooth is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc tooth press mounting technical field, concretely relates to a disc tooth press mounting fixture. BACKGROUND

[0002] Disc tooth press mounting is a common mechanical assembly process, which is used for fixing disc tooth on intermediate shaft or other shaft body, and the quality of disc tooth press mounting directly influences the performance and reliability of the whole mechanical system. In the existing disc tooth press mounting process, the first groove and the second groove are respectively arranged at the upper end and the lower end of the disc tooth, the depth of the first groove is greater than the depth of the second groove, and the first groove needs to be located below the second groove during the press mounting process of the disc tooth. However, since the depth difference between the first groove and the second groove is small, workers cannot distinguish them easily, and the disc tooth press mounting is often reversed, which seriously affects the production efficiency of disc tooth press mounting. Therefore, the disc tooth press mounting fixture is provided to solve the above problems. SUMMARY

[0003] The utility model intends to provide a disc tooth press mounting fixture to solve the problem of reverse mounting of disc tooth during press mounting with the intermediate shaft.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a disc tooth press mounting fixture, comprising a recognition rod, the height of the recognition rod is less than the depth of the first groove and greater than the depth of the second groove, further comprising an upper support assembly and a lower pressing assembly, the intermediate shaft is arranged between the support assembly and the lower pressing assembly, the lower pressing assembly is located above the support assembly, the support assembly comprises a bottom plate, a base, a first spring and a sliding shaft, the base is arranged at the upper end of the bottom plate, the base is provided with a sliding cavity, the sliding shaft is slidingly arranged in the sliding cavity, one end of the sliding shaft extends out of the base along the sliding cavity, and the diameter of the sliding shaft is greater than the outer diameter of the lower end of the intermediate shaft, the first spring is arranged between the sliding shaft and the bottom plate, the recognition rod is arranged at the upper end of the base and located below the first groove or the second groove.

[0005] The beneficial effects of the scheme are as follows: by setting the height of the recognition rod, when the first groove of the disc tooth is located above the recognition rod, since the depth of the first groove is greater than the height of the recognition rod, the disc tooth can be placed flat above the recognition rod, when the second groove of the disc tooth is located above the recognition rod, since the depth of the second groove is less than the height of the recognition rod, the disc tooth will be lifted by the recognition rod, so that the disc tooth cannot be placed flat, thereby facilitating the workers to identify whether the disc tooth is reversed, and improving the press mounting efficiency of the disc tooth.

[0006] The support assembly is used for supporting the disc gear and the intermediate shaft, the base is used for mounting the identification rod, the pressing assembly is used for pressing the intermediate shaft so that the intermediate shaft is inserted into the disc gear, and the first spring is used for resetting the sliding shaft.

[0007] Preferably, as an improvement, the pressing assembly comprises a hydraulic cylinder, a cover plate and an upper pressing head, the cover plate is arranged at the output end of the hydraulic cylinder, the upper pressing head is arranged at one end of the cover plate close to the support assembly, a pressing groove is arranged at one end of the upper pressing head close to the support assembly, and the diameter of the pressing groove is greater than the outer ring diameter of the upper end of the intermediate shaft.

[0008] The hydraulic cylinder is used as a driving member to make the cover plate drive the upper pressing head to descend, and then the intermediate shaft is pressed through the pressing groove, so that the disc gear is pressed and assembled.

[0009] Preferably, as an improvement, an installation cavity is arranged at one end of the upper pressing head close to the cover plate, a positioning assembly is arranged between the installation cavity and the pressing groove, the positioning assembly comprises an upper center and a second spring, the upper center is slidingly arranged in the installation cavity, one end of the upper center penetrates through the installation cavity and extends out of the pressing groove, and the second spring is arranged between the upper center and the cover plate.

[0010] The second spring is used to ensure that the upper center always abuts against the intermediate shaft, and the upper center can also be reset, the end of the upper center is inserted into the middle part of the intermediate shaft to fix the intermediate shaft and prevent the intermediate shaft from deviating when the pressing assembly is pressed downward, the upper center moves upward along the installation cavity to compress the second spring when the upper end of the intermediate shaft contacts the inner wall of the upper end of the pressing groove, and the intermediate shaft moves downward under the action of the upper pressing head, and the upper center is always inserted into the middle part of the intermediate shaft to prevent the intermediate shaft from deviating during the pressing process.

[0011] Preferably, as an improvement, one end of the upper center close to the support assembly is conical, the maximum diameter of the upper center is greater than the inner ring diameter of the upper end of the intermediate shaft, and is less than the outer ring diameter of the upper end of the intermediate shaft.

[0012] The upper center is conical, which is beneficial for the operator to align the intermediate shaft, and the conical upper center can be adapted to intermediate shafts with different hollow diameters, thereby increasing the application range of the positioning assembly.

[0013] Preferably, as an improvement, a through groove is arranged in the sliding shaft, and the diameter of the through groove is less than the inner ring diameter of the lower end of the intermediate shaft.

[0014] The through slot is used for reducing the self weight of the sliding shaft, facilitating the sliding of the sliding shaft, and discharging air inside the sliding cavity, thereby ensuring the normal movement of the sliding shaft.

[0015] Preferably, as an improvement, one end of the sliding shaft extends out of the base along the sliding cavity.

[0016] The upper end of the sliding shaft extends out of the base, which is beneficial to improving the efficiency of the staff in the disc tooth press fitting, and the staff only needs to set the disc tooth on the outer wall of the sliding shaft to quickly complete the alignment of the press fitting position, and then the recognition rod can be used to quickly judge whether the disc tooth is reversed.

[0017] Preferably, as an improvement, the upper center is provided with a first limiting ring at one end of the mounting cavity, and the outer wall of the first limiting ring is in contact with the inner wall of the mounting cavity.

[0018] The first limiting ring is used for preventing the upper center from sliding out of the mounting cavity.

[0019] Preferably, as an improvement, the outer wall of the sliding shaft is provided with a second limiting ring, and the outer wall of the second limiting ring is in contact with the inner wall of the sliding cavity.

[0020] The second limiting ring is used for preventing the sliding shaft from sliding out of the sliding cavity. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a sectional view of the disc tooth press fitting clamp. DETAILED DESCRIPTION

[0022] The following will be further described in detail through specific embodiments:

[0023] The reference signs in the drawings of the specification include: a recognition rod 1, a bottom plate 2, a base 3, a sliding cavity 4, a sliding shaft 5, a first spring 6, a cover plate 7, an upper pressing head 8, a pressing groove 9, a mounting cavity 10, an upper center 11, a second spring 12, a through slot 13, a disc tooth 14, a first recess 15, a second recess 16, an intermediate shaft 17.

[0024] EMBODIMENT

[0025] The embodiment is basically as shown in the drawings, such as Figure 1 Figure 1 ​The shown disc tooth press-fitting clamp comprises a press-fitting clamp, the press-fitting clamp comprises a supporting assembly and a pressing assembly, the middle shaft 17 is vertically placed between the supporting assembly and the pressing assembly, the pressing assembly is located above the supporting assembly, the supporting assembly comprises a bottom plate 2, a base 3, a first spring 6 and a sliding shaft 5, the base 3 is fixedly installed on the upper end of the bottom plate 2 through bolts, the base 3 is throughly provided with a sliding cavity 4, the sliding shaft 5 is slidingly arranged in the sliding cavity 4, the lower end of the middle shaft 17 can be inserted into the sliding cavity 4, the upper end of the sliding shaft 5 extends out of the base 3 along the sliding cavity 4, the diameter of the sliding shaft 5 is greater than the outer ring diameter of the lower end of the middle shaft 17 and smaller than the inner ring diameter of the disc tooth 14, the sliding shaft 5 is throughly provided with a through groove 13, the diameter of the upper end of the through groove 13 is smaller than the inner ring diameter of the lower end of the middle shaft 17, the upper end of the sliding shaft 5 extends out of the base 3 along the sliding cavity 4, the first spring 6 is arranged between the sliding shaft 5 and the bottom plate 2, the upper end of the first spring 6 is fixedly installed on the outer wall of the sliding shaft 5, and the lower end is fixedly installed on the upper end of the bottom plate 2, the identification rod 1 is fixedly installed on the upper end of the base 3 and located below the first groove 15 or the second groove 16, the height of the identification rod 1 is smaller than the depth of the first groove 15 and greater than the depth of the second groove 16.

[0026] The pressing assembly comprises a hydraulic cylinder, a cover plate 7 and an upper pressing head 8, the cover plate 7 is fixedly installed on the output end of the hydraulic cylinder, the upper pressing head 8 is fixedly installed on the lower end of the cover plate 7 through bolts, the lower end of the upper pressing head 8 is provided with a pressing groove 9, and the diameter of the pressing groove 9 is greater than the outer ring diameter of the upper end of the middle shaft 17, the upper end of the upper pressing head 8 is provided with a mounting cavity 10, and a positioning assembly is arranged between the mounting cavity 10 and the pressing groove 9, the positioning assembly comprises an upper center 11 and a second spring 12, the upper center 11 is slidingly installed in the mounting cavity 10, the lower end of the upper center 11 penetrates the mounting cavity 10 and extends out of the pressing groove 9, the second spring 12 is arranged between the upper center 11 and the cover plate 7, the upper end of the second spring 12 is fixedly installed on the lower end of the cover plate 7, and the lower end is fixedly installed on the outer wall of the upper center 11, the lower end of the upper center 11 is conical, and the maximum diameter of the upper center 11 is greater than the inner ring diameter of the upper end of the middle shaft 17 and smaller than the outer ring diameter of the upper end of the middle shaft 17.

[0027] The outer wall of one end of the mounting cavity 10 is fixedly installed with a first limiting ring, and the outer wall of the first limiting ring is in contact with the inner wall of the mounting cavity 10, of course, the first limiting ring and the upper center 11 can be formed by integral molding technology, the outer wall of the lower end of the sliding shaft 5 is fixedly installed with a second limiting ring, of course, the second limiting ring and the sliding shaft 5 can be formed by integral molding technology, and the outer wall of the second limiting ring is in contact with the inner wall of the sliding cavity 4, in this embodiment, the upper center 11 and the first limiting ring and the sliding shaft 5 and the second limiting ring are all formed by integral molding technology.

[0028] The specific implementation process is as follows:

[0029] When the staff performs the press-fitting operation on the disc tooth 14, the disc tooth 14 is first placed on the upper end of the base 3 and is sleeved on the outer wall of the sliding shaft 5, at this time, the identification rod 1 located on the upper end of the base 3 is located below the first groove 15 or the second groove 16 of the disc tooth 14, when the second groove 16 of the disc tooth 14 is located below the disc tooth 14, the identification rod 1 will be in contact with the second groove 16, so that the disc tooth 14 cannot be stably placed on the base 3, thereby prompting the staff that the disc tooth 14 is reversed, and the efficiency of the press-fitting of the disc tooth 14 is improved, then the staff turns over the disc tooth 14 again, so that the first groove 15 is opposite to the base 3, at this time, the identification rod 1 is located in the first groove 15 and does not contact the inner wall of the first groove 15, so that the disc tooth 14 can be stably placed on the upper end of the base 3, then the staff inserts the middle shaft 17 into the disc tooth 14, and aligns the inner ring on the upper end of the middle shaft 17 with the upper ejector pin, at this time, the hydraulic cylinder is started to push the cover plate 7 to move downward, the upper ejector pin is always in contact with the middle shaft 17 during the descending process of the cover plate 7, and the second spring 12 is compressed, so that the middle shaft 17 is prevented from being deviated, with the continuous descending of the cover plate 7, the upper end of the middle shaft 17 will be in contact with the pressing groove 9, so that the lower end of the middle shaft 17 pushes the sliding shaft 5 to insert into the sliding cavity 4, and then the middle shaft 17 moves downward relative to the disc tooth 14, and finally the press-fitting of the disc tooth 14 is completed.

[0030] The above is only an embodiment of the present application, and the well-known specific technical solutions and / or common knowledge of characteristics in the scheme are not described in detail. It should be noted that, for those skilled in the art, without departing from the technical scheme of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A disk tooth press-fit jig, characterized by: The device includes an identification rod, the height of which is less than the depth of the first groove and greater than the depth of the second groove. It also includes an upper support assembly and a lower pressing assembly. An intermediate shaft is located between the support assembly and the lower pressing assembly. The lower pressing assembly is located above the support assembly. The support assembly includes a base plate, a base, a first spring, and a sliding shaft. The base is located at the upper end of the base plate and has a through-hole for a sliding cavity. The sliding shaft is slidably located in the sliding cavity. One end of the sliding shaft extends out of the base along the sliding cavity, and the diameter of the sliding shaft is greater than the diameter of the lower outer ring of the intermediate shaft. The first spring is located between the sliding shaft and the base plate. The identification rod is located at the upper end of the base and below the first groove or the second groove.

2. The disc tooth press fitting jig according to claim 1, wherein: The pressing assembly includes a hydraulic cylinder, a cover plate, and an upper pressing head. The cover plate is located at the output end of the hydraulic cylinder, and the upper pressing head is located at the end of the cover plate near the support assembly. The end of the upper pressing head near the support assembly has a pressing groove, and the diameter of the pressing groove is larger than the diameter of the upper outer ring of the intermediate shaft.

3. The disc tooth press fitting jig according to claim 2, wherein: An installation cavity is provided at one end of the upper pressure head near the cover plate. A positioning component is provided between the installation cavity and the pressure groove. The positioning component includes an upper center point and a second spring. The upper center point is slidably disposed in the installation cavity, and one end of the upper center point passes through the installation cavity and extends out of the pressure groove. The second spring is disposed between the upper center point and the cover plate.

4. The disc tooth press fitting jig according to claim 3, wherein: The end of the upper tip closest to the support component is set in a conical shape, and the maximum diameter of the upper tip is greater than the inner diameter of the upper end of the intermediate shaft, but smaller than the outer diameter of the upper end of the intermediate shaft.

5. The disc tooth press fitting jig according to claim 4, wherein: The sliding shaft has a through groove, the diameter of which is smaller than the diameter of the inner ring at the lower end of the intermediate shaft.

6. A disc tooth press fitting jig according to claim 5, wherein: The top tip is located at one end of the mounting cavity and is provided with a first limiting ring, and the outer wall of the first limiting ring is in contact with the inner wall of the mounting cavity.

7. A disc tooth press fitting jig according to claim 6, wherein: The outer wall of the sliding shaft is provided with a second limiting ring, and the outer wall of the second limiting ring is in contact with the inner wall of the sliding cavity.

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