Shaft sleeve press fitting tool and press fitting equipment

Abstract

The utility model discloses a shaft sleeve press-fitting tool and press-fitting equipment, and relates to the technical field of shaft sleeve machining equipment.The shaft sleeve press-fitting tool comprises a rack which comprises a top plate, a bottom plate and a first limiting column; the lower die tool is arranged on the bottom plate, the lower die tool comprises a fixing seat and a positioning piece, the fixing seat is provided with a first mounting part used for mounting a gear assembly, and the positioning piece is provided with a second mounting part used for mounting a shaft sleeve; the upper die tool is arranged on the side, close to the bottom plate, of the top plate, the upper die tool and the lower die tool are oppositely arranged in a spaced mode, the upper die tool comprises a lower pressing piece, and the lower pressing piece and the positioning piece are oppositely arranged; the technical scheme provided by the utility model has the technical effects that the gear box is positioned and mounted on the fixed seat through the first mounting part, and the shaft sleeve is positioned and mounted on the positioning piece through the second mounting part, so that the downward pressing movement stroke of the gear shaft is reduced, and the gear shaft is more accurately pressed into the shaft sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to axle sleeve processing equipment technical field especially relates to a axle sleeve press -mounting frock and press -mounting equipment. BACKGROUND

[0002] The axle sleeve press -mounting frock is a kind of special equipment for accurately pressing axle sleeve into gear shaft. Axle sleeve press -mounting frock can improve the assembly efficiency of gear shaft and axle sleeve, reduce the complexity of manual operation and reduce the labor intensity of workers. But the stroke of the existing axle sleeve press -mounting frock is too long, the requirement of the verticality and pressure of axle sleeve is improved, the position of axle sleeve pressed into gear shaft is not accurate, and then the gear shaft is bent and damaged, and then the production efficiency of gear is affected. SUMMARY

[0003] The utility model discloses a kind of axle sleeve press -mounting frocks, to improve the accuracy of axle sleeve pressed into gear shaft.

[0004] To achieve the above object, the axle sleeve press -mounting frock provided by the utility model, including rack, including top plate, bottom plate and first limit column, the first limit column is located on the bottom plate, the top plate is movably arranged on the first limit column;

[0005] Lower die frock, located on the bottom plate, the lower die frock includes fixed seat and positioning piece, the fixed seat is provided with first installation part for installing gear assembly, the positioning piece is provided with second installation part for installing axle sleeve;

[0006] Upper die frock, located on the side of the top plate close to the bottom plate, the upper die frock is spaced apart and oppositely arranged with the lower die frock, the upper die frock includes lower pressure piece, the lower pressure piece is oppositely arranged with the positioning piece, the upper die frock is used to be driven by pressure mechanism towards the direction close to or away from the lower die frock movement, to press gear shaft in gear assembly into axle sleeve on the second installation part or make the upper die frock reset.

[0007] In an embodiment, the lower die frock further includes first elastic piece, the rack further includes second limit column, the second limit column is located on the bottom plate, the fixed seat is movably arranged on the second limit column, the first elastic piece is sleeved on the second limit column, and the first elastic piece is elastically abutted with the fixed seat and the bottom plate respectively.

[0008] In an embodiment, the side of the fixed seat close to the positioning piece has a groove, and the groove is used for the gear shaft to pass through the fixed seat and press into the axle sleeve.

[0009] In an embodiment, the bearing press-fitting tool further comprises a bearing piece, the fixed seat has a guide hole on a side close to the positioning piece, and the bearing piece is sleeved on the second limiting column and partially arranged in the guide hole.

[0010] In an embodiment, the rack further comprises a base arranged on the bottom plate, and the base has a first mounting hole on a side away from the bottom plate, and the positioning piece is arranged in the first mounting hole.

[0011] In an embodiment, the shaft sleeve press-fitting tool further comprises a first fastener, the bottom plate has a second mounting hole, the base has a third mounting hole in communication with the second mounting hole, the position of the base relative to the bottom plate is adjustable, and the first fastener is sequentially arranged in the second mounting hole and the third mounting hole so that the base is mounted on the bottom plate.

[0012] In an embodiment, the shaft sleeve press-fitting tool further comprises a second elastic piece, the second elastic piece is sleeved on the first limiting column, and the second elastic piece is in elastic abutment with the bottom plate and the top plate respectively.

[0013] In an embodiment, the shaft sleeve press-fitting tool further comprises a limiting assembly, the limiting assembly comprises a third limiting column and a limiting piece, the third limiting column is arranged on the bottom plate, and the limiting piece is arranged on the other end of the third limiting column away from the bottom plate, and the limiting piece is used for limiting abutment with the top plate to limit the downward movement of the top plate.

[0014] In an embodiment, the pressing piece comprises a body and abutment portions and connecting portions arranged at two ends of the body, the body is connected to the top plate through the connecting portions, the abutment portions are used for abutment with a gear box in the gear assembly to drive the gear shaft in the gear box to press into the shaft sleeve on the second mounting portion.

[0015] The utility model also provides a press-fitting equipment, including pressure mechanism and the shaft sleeve press-fitting tool of any one of the above embodiment, the pressure mechanism is drivenly connected with the shaft sleeve press-fitting tool.

[0016] The technical scheme of the utility model adopts the gear box positioned and installed on the fixed seat through the first mounting portion, the shaft sleeve is positioned and installed on the positioning piece through the second mounting portion, so that the initial position of the gear shaft is arranged directly above the through hole of the shaft sleeve, the initial distance between the gear shaft and the shaft sleeve is reduced, the moving stroke of the gear shaft is reduced, and the gear shaft is more accurately pressed into the shaft sleeve; the pressing piece is driven by the pressure mechanism to press the gear box and the fixed seat respectively, and the gear shaft in the gear assembly is pressed into the shaft sleeve on the second mounting portion. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0018] Figure 1 The structural schematic diagram of an embodiment of the shaft sleeve press-fit tool provided by the present application is shown in the figure.

[0019] Figure 2 The structural sectional view of an embodiment of the shaft sleeve press-fit tool provided by the present application is shown in the figure.

[0020] Figure 3 The Figure 2 The local enlarged view of A in the figure.

[0021] Figure 4 The exploded structural schematic diagram of an embodiment of the shaft sleeve press-fit tool provided by the present application is shown in the figure.

[0022] Figure 5 The structural schematic diagram of the base and the bottom plate in an embodiment of the shaft sleeve press-fit tool provided by the present application is shown in the figure.

[0023] Explanation of the reference numerals:

[0024] 1, rack; 11, top plate; 12, bottom plate; 121, second mounting hole; 13, first limiting column; 14, second limiting column; 15, base; 151, first mounting hole; 152, third mounting hole; 2, lower die tool; 21, fixing seat; 211, first mounting part; 212, groove; 22, positioning piece; 221, second mounting part; 23, first elastic piece; 3, upper die tool; 31, pressing piece; 311, body; 312, abutting part; 313, connecting part; 4, bearing piece; 5, second elastic piece; 6, limiting assembly; 61, third limiting column; 62, limiting piece; 10, gear box; 20, gear shaft; 30, shaft sleeve.

[0025] The realization, functional features and advantages of the present application will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications will also change accordingly.

[0028] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0029] The utility model provides a shaft sleeve press fitting tool.

[0030] Please refer to Figures 1 to 3In the utility model one embodiment, this axle sleeve press equipment includes frame 1, including top plate 11, bottom plate 12 and first limit post 13, first limit post 13 is equipped on bottom plate 12, top plate 11 is movably equipped on first limit post 13;Lower die tooling 2, be equipped on bottom plate 12, lower die tooling 2 includes fixed base 21 and positioning member 22, fixed base 21 is equipped with the first installation part 211 for the gear assembly installation, positioning member 22 is equipped with the second installation part 221 for the axle sleeve 30 installation;Upper die tooling 3, be equipped on the one side of top plate 11 close to bottom plate 12, upper die tooling 3 is spaced apart and opposite with lower die tooling 2, upper die tooling 3 includes lower pressure piece 31, lower pressure piece 31 is opposite with positioning member 22, upper die tooling 3 is used for through pressure mechanism drive towards close or far from the direction of lower die tooling 2 movement, to press gear shaft 20 in gear assembly into axle sleeve 30 in second installation part 221 or make upper die tooling 3 reset.

[0031] The technical scheme of the utility model is through the first installation part 211 of gear box 10 is positioned and installed on fixed base 21, axle sleeve 30 is positioned and installed on positioning member 22 through the second installation part 221, to make the initial position of gear shaft 20 set up in the through-hole of axle sleeve 30 directly above, reduce the initial interval between gear shaft 20 and axle sleeve 30, reduce the moving stroke of gear shaft 20 press down, and then make gear shaft 20 more accurately press into axle sleeve 30;Lower pressure piece 31 is driven by pressure mechanism and presses down respectively on gear box 10 and fixed base 21, and gear shaft 20 in gear assembly is pressed into axle sleeve 30 on second installation part 221.

[0032] In the embodiment, the gear assembly and the shaft sleeve 30 are workpieces to be processed, the gear assembly can include a gear box 10, a gear and a gear shaft 20, the gear and the gear shaft 20 are arranged in the gear box 10, and the gear sleeve is arranged in the gear shaft 20. The rack 1 can include a top plate 11, a bottom plate 12, and a first limiting column 13, the bottom plate 12 and the top plate 11 can be oppositely arranged along the extension direction of the first limiting column 13, and the first limiting column 13 can be arranged on the bottom plate 12. The top plate 11 is movably arranged on the first limiting column 13, and the first limiting column 13 is used for guiding and positioning when the top plate 11 reciprocally moves in the up-down direction, so that the top plate 11 can reciprocally move along the extension direction of the first limiting column 13, and the moving direction of the upper die tooling 3 is prevented from deviating. In the application, the upper die tooling 3 is arranged on one side of the top plate 11 close to the bottom plate 12, and the pressing piece 31 can be located above the fixed seat 21, so that the pressing piece 31 can move synchronously with the top plate 11, and the pressing piece 31 can accurately press and assemble the gear assembly on the fixed seat 21. In the application, the first mounting portion 211 is arranged on the fixed seat 21, which is used for positioning and mounting the gear assembly, improves the stability of the mounting of the gear assembly and the fixed seat 21, facilitates the positioning and mounting of the shaft sleeve 30 on the positioning piece 22 and the gear shaft 20 in the gear assembly, and further makes the shaft sleeve 30 and the gear shaft 20 oppositely arranged in the up-down direction. In an embodiment, the positioning pin is used to mount the gear assembly on the first mounting portion 211, which improves the accuracy of the positioning and mounting of the shaft sleeve 30 on the positioning piece 22 and the gear shaft 20. In order to more conveniently position and mount the shaft sleeve 30 and the gear shaft 20, the positioning piece 22 is provided with the second mounting portion 221 for mounting the shaft sleeve 30, the positioning piece 22 is arranged on one side of the bottom plate 12 close to the top plate 11, the second mounting portion 221 is arranged on one end of the positioning piece 22 close to the fixed seat 21, and the positioning accuracy of the gear shaft 20 and the shaft sleeve 30 is improved.

[0033] In the embodiment, the gear box 10 is first mounted on the first mounting portion 211 to fix the position of the gear shaft 20, and then the positioning piece 22 is arranged directly below the gear shaft 20 to fix the position of the shaft sleeve 30, which facilitates the initial position of the gear shaft 20 to be mounted above the through hole of the shaft sleeve 30, further reduces the moving stroke of the gear shaft 20 when being pressed into the shaft sleeve 30, improves the perpendicularity of the gear shaft 20 when being pressed into the shaft sleeve 30, and improves the accuracy of the pressing of the gear shaft 20 on the shaft sleeve 30. In the application, the positioning piece 22 is oppositely arranged with the pressing piece 31 along the axial direction of the first limiting column 13, the gear assembly is positioned and mounted by the first mounting portion 211 and the fixed seat 21, so that the shaft sleeve 30 and the gear shaft 20 are spaced and oppositely arranged along the axial direction of the first limiting column 13, and the concentricity of the shaft sleeve 30 and the gear shaft 20 is improved.

[0034] As Figure 1 , Figure 2 and Figure 4As shown, in one embodiment, the lower mold tooling 2 further includes a first elastic element 23, and the frame 1 further includes a second limiting post 14. The second limiting post 14 is disposed on the base plate 12, and the fixed seat 21 is movably disposed on the second limiting post 14. The first elastic element 23 is sleeved on the second limiting post 14, and the first elastic element 23 elastically abuts against the fixed seat 21 and the base plate 12 respectively.

[0035] In this embodiment, the first elastic element 23 may be made of a helical spring or other elastic material. When the pressing member 31 presses down on the gearbox 10 and the fixed seat 21, the gearbox 10 and the fixed seat 21 move downward relative to the second limiting post 14. The gearbox 10 and the fixed seat 21 together compress the first elastic element 23. The first elastic element 23 can buffer part of the pressure applied by the pressing member 31 to prevent the gear shaft 20 from pressing down on the bushing 30 too quickly and damaging the bushing 30. After the gear shaft 20 is pressed into the bushing 30, the first elastic element 23 can elastically recover to drive the gearbox 10 and the fixed seat 21 to reset. During the pressing process of this application, the first elastic element 23 can provide elastic force to the gearbox 10 and the fixed seat 21 to reduce the swaying of the fixed seat 21 in the circumferential direction and improve the stability of the movement of the fixed seat 21.

[0036] like Figure 4 As shown, in one embodiment, the fixing seat 21 has a groove 212 on the side near the positioning member 22, the groove 212 being used for the gear shaft 20 to pass through the fixing seat 21 and be pressed into the bushing 30.

[0037] In this embodiment, before pressing begins, the groove 212 can be located above the positioning member 22, and the groove 212 can be positioned opposite to the positioning member 22. The gear shaft 20 can be located above the groove 212. During the pressing process, the gear shaft 20 can move synchronously with the fixed base 21. The gear shaft 20 passes through the groove 212 and is gradually pressed into the bushing 30, facilitating the pressing of the gear shaft 20 into the bushing 30. The bushing 30 is fixed to the positioning member 22, ensuring that the bushing 30 is adequately supported during the pressing process. Compared to the method of pressing the bushing 30 into the gear shaft 20, this method avoids the phenomenon of the bushing 30 shifting during the pressing process, thereby preventing the gear shaft 20 from being damaged by the pressure applied by the bushing 30.

[0038] like Figure 2 As shown, in one embodiment, the bearing press-fitting fixture further includes a bearing component 4. The fixed seat 21 has a guide hole on the side near the positioning component 22. The bearing component 4 is sleeved on the second limiting post 14, and a portion of the bearing component 4 is disposed in the guide hole.

[0039] In the embodiment, the guide hole (not shown in the figure) can be provided as a counterbore hole, the straight hole part of the counterbore hole can be used for mounting the fixing base 21 and the second limiting column 14, and the counterbore part of the counterbore hole can be used for mounting the bearing part 4. The bearing part 4 generally refers to a component such as a rolling bearing or a linear motion bearing. By sleeving the bearing part 4 on the second limiting column 14, the frictional resistance between the second limiting column 14 and the fixing base 21 is reduced, so that the fixing base 21 can move up and down along the second limiting column 14 more smoothly, thereby prolonging the service life of the application.

[0040] As shown in Figure 4 and Figure 5 In an embodiment, the rack 1 further includes a base 15 provided on the bottom plate 12, and the base 15 away from the bottom plate 12 has a first mounting hole 151, and the positioning part 22 is arranged in the first mounting hole 151.

[0041] In the embodiment, the second fastener can be a bolt, a screw or a bolt pin. The side of the base 15 away from the bottom plate 12 has a first mounting hole 151, and the positioning part 22 is mounted in the first mounting hole 151 by the second fastener, thereby improving the stability of the connection between the positioning part 22 and the base 15. The application first installs the gear box 10 on the first mounting part 211 to fix the position of the gear shaft 20, and then sets the base 15 directly below the gear shaft 20 to fix the position of the shaft sleeve 30, thereby facilitating the positioning and installation of the shaft sleeve 30 and the gear shaft 20.

[0042] As shown in Figure 5 In an embodiment, the shaft sleeve press-fitting tool further includes a first fastener (not shown in the figure), the bottom plate 12 has a second mounting hole 121, the base 15 has a third mounting hole 152, the third mounting hole 152 communicates with the second mounting hole 121, the position of the base 15 relative to the bottom plate 12 is adjustable, and the first fastener is sequentially arranged in the second mounting hole 121 and the third mounting hole 152, so that the base 15 is mounted on the bottom plate 12.

[0043] In the embodiment, the first fastener can be a bolt, a screw or a pin, etc. The third mounting hole 152 can be a long slot, and the second mounting hole 121 can be a through hole. The position of the base 15 relative to the bottom plate 12 can be adjusted by adjusting the position relationship between the third mounting hole 152 and the second mounting hole 121, and then the first fastener is sequentially arranged in the second mounting hole 121 and the third mounting hole 152 to fix the base 15 on the bottom plate 12, so that the position of the base 15 relative to the bottom plate 12 is adjustable. By adjusting the position of the base 15 relative to the bottom plate 12, the position of the base 15 relative to the gear shaft 20 is more convenient to adjust, so that the base 15 can be adjusted according to the different positions of the gear shaft 20 in different gearboxes 10, the position of the shaft sleeve 30 and the gear shaft 20 is convenient to adjust, and the subsequent maintenance and replacement of the equipment is facilitated.

[0044] As shown in Figure 1 and Figure 2 In an embodiment, the shaft sleeve press-fitting tool further comprises a second elastic member 5, the second elastic member 5 is sleeved on the first limiting column 13, and the second elastic member 5 is in elastic abutment with the bottom plate 12 and the top plate 11 respectively.

[0045] In the embodiment, the second elastic member 5 can be a spiral spring or other elastic material. When the gear box 10 and the fixing seat 21 are pressed down by the pressing member 31, the top plate 11 and the pressing member 31 move downward relative to the first limiting column 13, the top plate 11 compresses the second elastic member 5, and the second elastic member 5 can buffer part of the pressure applied by the pressure mechanism to prevent the gear shaft 20 from being quickly pressed down on the shaft sleeve 30. After the gear shaft 20 is pressed into the shaft sleeve 30, the second elastic member 5 can elastically recover to drive the top plate 11 to reset. In the press-fitting process of the present application, the second elastic member 5 can provide elastic force to the top plate 11 to reduce the shaking of the top plate 11 towards the circumferential direction, and improve the stability of the movement of the top plate 11. The second elastic member 5 cooperates with the first limiting column 13 and the first elastic member 23 cooperates with the second limiting column 14 to make the top plate 11 and the fixing seat 21 move downward stably, thereby ensuring the flatness of the shaft sleeve 30 and the gear box 10.

[0046] As shown in Figure 1 and Figure 2 In an embodiment, the shaft sleeve press-fitting tool further comprises a limiting assembly 6, the limiting assembly 6 comprises a third limiting column 61 and a limiting member 62, the third limiting column 61 is arranged on the bottom plate 12, and the limiting member 62 is arranged on the other end of the third limiting column 61 away from the bottom plate 12. The limiting member 62 is used for limiting abutment with the top plate 11 to limit the downward movement of the top plate 11.

[0047] In the embodiment, the limiting member 62 can be a bolt, a screw or a screw, etc. The third limiting column 61 can be used for positioning and mounting of the limiting member 62. The shaft sleeve press-fitting tool further comprises a nut, and the limiting member 62 is screwed into the nut and the third limiting column 61. The user can adjust the depth of the limiting member 62 screwed into the limiting member 62 in advance, thereby adjusting the distance between the limiting member 62 and the top plate 11, which is consistent with the subsequent stroke of the top plate 11 being pressed downward, thereby limiting the movement stroke of the top plate 11 and the fixing seat 21. When the pressure mechanism exerts downward pressure on the top plate 11, the top plate 11 gradually approaches the limiting member 62. When the top plate 11 abuts against the limiting member 62, the gear shaft 20 is just pressed into the shaft sleeve 30, and the limiting member 62 limits the top plate 11 to continue to move downward, so as to avoid excessive downward pressure on the shaft sleeve 30 and the gear shaft 20.

[0048] As shown in the drawings, Figure 4 In an embodiment, the pressing member 31 comprises a body 311 and abutting portions 312 and connecting portions 313 arranged at both ends of the body 311. The body 311 is connected to the top plate 11 through the connecting portions 313. The abutting portions 312 are used to abut against the gear box 10 in the gear assembly, so as to drive the gear shaft 20 in the gear box 10 to be pressed into the shaft sleeve 30 on the second mounting portion 221.

[0049] In the embodiment, in order to facilitate maintenance and replacement of the pressing member 31, the body 311 can pass through the connecting portions 313 by means of a screw, so as to detachably connect the body 311 to the top plate 11. The abutting portions 312 can be arranged at one end of the body 311 away from the connecting portions 313, which is more convenient for the pressing member 31 to press the gear box 10 through the abutting portions 312, so as to drive the gear shaft 20 to be pressed into the shaft sleeve 30.

[0050] As shown in the drawings, Figure 4 In an embodiment, the first limiting column 13 is provided in plurality. The top plate 11 has a plurality of first connecting holes (not shown in the drawings), and the bottom plate 12 has a plurality of second connecting holes (not shown in the drawings). The plurality of first connecting holes and the plurality of second connecting holes are arranged opposite to each other along the up-down direction. One end of the plurality of first limiting columns 13 is one-to-one arranged through the first connecting holes, so that the top plate 11 is movably arranged on the plurality of first limiting columns 13 along the up-down direction. The other end of the plurality of first limiting columns 13 is one-to-one arranged through the second connecting holes, so that the plurality of first limiting columns 13 are arranged on the bottom plate 12.

[0051] In the embodiment, the first limiting column 13 is arranged in the first connecting hole, and the top plate 11 is arranged on the first limiting column 13 in the up-down direction, the second limiting column 14 is arranged in the second connecting hole, and the fixed seat 21 is arranged on the second limiting column 14, the number of the first limiting column 13 and the second limiting column 14 is increased, and the stability of the movement of the top plate 11 and the fixed seat 21 relative to the first limiting column 13 and the second limiting column 14 is improved, and the stability of the connection between the bottom plate 12 and the rack 1 is improved.

[0052] In an embodiment, the second limiting column 14 is arranged in the third connecting hole, and the fixed seat 21 is arranged on the second limiting column 14 in the up-down direction, the second limiting column 14 is arranged in the fourth connecting hole, and the bottom plate 12 is arranged on the second limiting column 14, the number of the second limiting column 14 is increased, and the stability of the movement of the fixed seat 21 relative to the second limiting column 14 is improved, and the stability of the connection between the bottom plate 12 and the rack 1 is improved.

[0053] The utility model also proposes a kind of press fitting equipment, the press fitting equipment includes pressure mechanism and shaft sleeve press fitting tool, the specific structure of the shaft sleeve press fitting tool refers to above-mentioned embodiment, since the press fitting equipment has adopted all technical solutions of above-mentioned all embodiments, at least has all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer one by one elaboration.

[0054] The working principle of the shaft sleeve press fitting tool can be that the pressure mechanism drives the top plate 11 to move downward, drives the lower pressing piece 31 to move toward the side close to the gear box 10 and abut against the gear box 10, and then drives the gear box 10 and the fixed seat 21 to move downward synchronously, so that the gear shaft 20 moves toward the side close to the shaft sleeve 30, and the surface of the gear shaft 20 starts to fit the surface of the shaft sleeve 30.

[0055] The above-mentioned is only exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A bush press fitting tool characterized by, The application relates to a bearing press-fitting device. The device comprises a rack, a lower die tool and an upper die tool. The rack comprises a top plate, a bottom plate and a first limiting column, the top plate is movably arranged on the first limiting column, the bottom plate is arranged on the first limiting column, and the top plate is movably arranged on the first limiting column. The lower die tool is arranged on the bottom plate, and comprises a fixing seat and a positioning member.

2. The bush press fitting tool according to claim 1, wherein The fixing seat is provided with a first mounting part for mounting a gear assembly.

3. The bush press fitting tool according to claim 2, wherein The positioning member is provided with a second mounting part for mounting a shaft sleeve.

4. The bush press fitting tool according to claim 2, wherein The upper die tool is arranged on one side of the top plate close to the bottom plate.

5. The bush press fitting tool according to claim 2, wherein The upper die tool is arranged opposite to the lower die tool.

6. The bush press fitting tool according to claim 5, wherein The upper die tool comprises a pressing member arranged opposite to the positioning member.

7. The bush press fitting tool according to claim 1, wherein The upper die tool is driven by a pressure mechanism to move towards the lower die tool or away from the lower die tool.

8. The bush press fitting tool according to claim 1, wherein The pressing member comprises a body and abutting parts and connecting parts arranged at two ends of the body.

9. The bush press fitting tool according to claim 1, wherein The body is connected to the top plate through the connecting parts.

10. A press assembly characterized by, The abutting parts are used for abutting against a gear box in the gear assembly to drive a gear shaft in the gear box to press into the shaft sleeve on the second mounting part. The device further comprises a first elastic member. The rack further comprises a second limiting column arranged on the bottom plate. The fixing seat is movably arranged on the second limiting column. The first elastic member is sleeved on the second limiting column. The fixing seat is provided with a recess on one side close to the positioning member. The recess is used for the gear shaft to pass through the fixing seat and press into the shaft sleeve. The bearing press-fitting device further comprises a bearing member. The fixing seat is provided with a guide hole on one side close to the positioning member. The bearing member is sleeved on the second limiting column. The bearing member is arranged in the guide hole. The rack further comprises a base arranged on the bottom plate. One side of the base away from the bottom plate is provided with a first mounting hole. The positioning member is arranged in the first mounting hole. The bearing press-fitting device further comprises a first fastener. The bottom plate is provided with a second mounting hole. The base is provided with a third mounting hole. The third mounting hole is communicated with the second mounting hole. The position of the base relative to the bottom plate is adjustable. The first fastener is sequentially arranged in the second mounting hole and the third mounting hole. The bearing press-fitting device further comprises a second elastic member. The second elastic member is sleeved on the first limiting column. The second elastic member is elastically abutted against the bottom plate and the top plate. The bearing press-fitting device further comprises a limiting assembly. The limiting assembly comprises a third limiting column and a limiting member. The third limiting column is arranged on the bottom plate. The limiting member is arranged at the other end of the third limiting column away from the bottom plate. The limiting member is used for limiting abutment with the top plate to limit downward movement of the top plate. The pressing member comprises a body and abutting parts and connecting parts arranged at two ends of the body. The body is connected to the top plate through the connecting parts. The abutting parts are used for abutting against the gear box in the gear assembly to drive the gear shaft in the gear box to press into the shaft sleeve on the second mounting part. The device comprises a pressure mechanism and the bearing press-fitting device as claimed in any one of claims 1 to 9. The pressure mechanism is drivingly connected with the bearing press-fitting device.

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