CN217667560U

CN217667560U - Crankshaft gear hot press

Info

Publication number: CN217667560U
Application number: CN202221713945.4U
Authority: CN
Inventors: 陈培新
Original assignee: Chongqing Jialide Automobile Parts Co ltd
Current assignee: Chongqing Jialide Automobile Parts Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-10-28
Anticipated expiration: 2032-07-05

Abstract

The utility model relates to an automobile parts makes technical field, especially relates to a crankshaft gear hot pressing installation. The utility model discloses a crankshaft gear hot pressing installation machine, which comprises an installation platform, wherein a slide rail and a fixture tool are fixed on a first cylinder installation platform, the first cylinder fixture tool is positioned at one end of the slide rail of a first cylinder, the other end of the slide rail is connected with a heating tool in a sliding way, the first cylinder heating tool corresponds to the first cylinder fixture tool, and the heating tool is connected with a first cylinder; the first cylinder heating tool is provided with a gear sleeve, a heating coil is led into the first cylinder gear sleeve, and the first cylinder heating coil is connected with the high-frequency machine. The utility model provides a technical problem provide a higher, the better crankshaft gear hot pressing installation of assembly effect of installation effectiveness.

Description

Crankshaft gear hot press

Technical Field

The utility model relates to an automobile parts makes technical field, especially relates to a crankshaft gear hot pressing installation.

Background

At present, the installation between the bearing of the crankshaft and the gear generally adopts a manual striking mode, but wastes time and labor. Because the direct pressure equipment that adopts is the mode of cold charge, in order to improve the firmness after the assembly, need gear inner circle and bent axle interference fit, there is the difficulty of packing into or has the risk of forming extrusion damage to gear inner circle at the in-process of packing into by force, and the assembly effect is poor, and the defective percentage is high, and the packaging efficiency is low.

Therefore, the technical personnel in the field are dedicated to develop the crankshaft gear hot press machine with higher installation efficiency and better assembly effect.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model discloses a bent axle gear hot press installation, the technical problem that solve provide a higher, the better bent axle gear hot press installation of assembly effect of installation effectiveness.

In order to achieve the purpose, the utility model provides a crankshaft gear hot press machine, which comprises an installation platform, wherein a slide rail and a clamp tool are fixed on the installation platform, the clamp tool is positioned at one end of the slide rail, the other end of the slide rail is connected with a heating tool in a sliding manner, the heating tool corresponds to the clamp tool, and the heating tool is connected with a first air cylinder; the heating tool is provided with a gear sleeve, a heating coil is introduced into the gear sleeve, and the heating coil is connected with the high-frequency machine.

Preferably, the heating tool comprises a sliding seat, a first through hole is formed in the sliding seat, and a coaxial first mounting hole is formed in one end of the first through hole; the gear sleeve comprises a limiting portion and an installation portion which are fixedly connected, the limiting portion is matched with the first installation hole, and the heating coil is arranged in the installation portion.

Preferably, the installation department is kept away from one side of spacing portion is fixed with the locating piece, the locating piece is equipped with the jack catch.

Preferably, the bottom of the sliding seat is provided with a connecting plate, the bottom of the connecting plate is provided with a sliding block matched with the sliding rail, and one end of the connecting plate is connected with the piston rod of the first air cylinder.

Preferably, the fixture tool comprises a bottom plate, a first V-shaped block, a second V-shaped block and a fixing fixture are arranged on the bottom plate, an axial limiting block is arranged between the first V-shaped block and the second V-shaped block, and the fixing fixture is located on one side between the axial limiting block and the first V-shaped block.

Preferably, the fixing clamp comprises a second cylinder vertically fixed on the bottom plate, a hinge shaft is arranged on a shell of the second cylinder, a pressing arm is hinged to a free end of the hinge shaft, one end of the pressing arm is connected with a piston rod of the second cylinder, and a pressing insert is arranged at the other end of the pressing arm.

Preferably, the first V-shaped block and the second V-shaped block are both provided with a support part, and the angle of the support part is 85-95 degrees.

Preferably, the mounting table is including placing the table, place the desktop and be equipped with the foundatin plate, seted up the installation on the foundatin plate the bar recess of slide rail, the one end of foundatin plate is fixed with the installation the fixed block of first cylinder.

Preferably, an air-cooled air pipe is further arranged on the placing table.

Preferably, one side of the mounting table is provided with an operation panel electrically connected with the first cylinder, the second cylinder and the high-frequency machine.

The utility model has the advantages that:

through setting up the heating frock, heat the gear before the pressure equipment gear, utilize expend with heat and contract with cold's principle, make the gear treat the inner circle diameter grow of installation, carry out the pressure equipment again this moment, then the installation is easier, can avoid the extrusion of cold charge to the gear to destroy. And simultaneously, the utility model discloses a hot pressing dress adopts first cylinder to promote heating frock and installs, compares with traditional manual work mode of pounding, and the installation effectiveness has obtained great improvement. And, the gear cooling shrink after the assembly for the cooperation between gear and the crankshaft is inseparabler, and the installation effect is better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic top view of the foundation plate of the present invention;

FIG. 3 is a partial view of FIG. 1 taken from the direction P;

FIG. 4 is a partial view of FIG. 1 taken along line Q;

FIG. 5 is a schematic view of a portion of FIG. 1 taken along line J;

FIG. 6 is a schematic view of a portion K of FIG. 1;

fig. 7 is a schematic front view of the slide carriage of the present invention;

fig. 8 is a left side schematic view of the slide carriage of the present invention;

fig. 9 is a front view of the gear sleeve of the present invention;

FIG. 10 is a left side schematic view of a gear sleeve of the present invention;

fig. 11 is a schematic view of a positioning block of the present invention;

fig. 12 is a schematic top view of the fixture assembly of the present invention.

In the drawings, wherein: 1. a mounting table; 11. a placing table; 12. a foundation plate; 121. a strip-shaped groove; 122. a fixed block; 13. air-cooling the air pipe; 2. a slide rail; 3. clamping the tool; 31. a base plate; 311. a first V-shaped block; 312. a second V-block; 313. an axial limiting block; 32. fixing the clamp; 321. a hinge shaft; 322. a second cylinder; 323. a pressing arm; 324. compressing the insert; 4. heating the tool; 41. a slide base; 411. a first through hole; 412. a first mounting hole; 42. a gear sleeve; 421. a limiting part; 422. an installation part; 423. positioning a block; 4231. a claw; 43. a connecting plate; 431. a slider; 44. a first cylinder; 5. a heating coil; 6. connecting a high-frequency machine; 7. an operation panel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the utility model provides a crankshaft gear hot pressing machine, including mount table 1, mount table 1 is fixed with foundatin plate 12 including placing table 11, and two bar recesses 121 have been seted up to the one end on the foundatin plate 12, and fixed mounting has slide rail 2 in the bar recess 121, and slide rail 2 passes through the fix with screw in the spout. Sliding connection has heating frock 4 on slide rail 2, and slide rail 2 can set up to be the I shape for the cross-section, can prevent that heating frock 4 from derailing.

Specifically, as shown in fig. 3 to 6, the heating tool 4 includes a sliding base 41, a connecting plate 43 is disposed at the bottom of the sliding base 41, and a sliding block 431 matched with the sliding rail 2 is disposed at the bottom of the connecting plate 43. As shown in fig. 7 to 8, the sliding base 41 is provided with a first through hole 411, one end of the first through hole 411 is provided with a coaxial first mounting hole 412, and the first mounting hole 412 is used for limiting when the gear sleeve 42 is mounted. As shown in fig. 9 to 11, the gear sleeve 42 includes a stopper portion 421 and a mounting portion 422 fixedly connected to each other, a through and coaxial stepped hole is formed in the stopper portion 421 and the mounting portion 422, and the stopper portion 421 is engaged with the first mounting hole 412 and fixed by a screw when mounted. The mounting portion 422 has a heating coil 5 inserted into the slide base 41, the heating coil 5 is positioned at the center of the stepped hole, and the heating coil 5 is heated by a high-frequency machine connection 6. When it is desired to assemble the gear, the gear is placed in the hole in the mounting portion 422, while the heating coil 5 is passed through the inner ring of the gear, so as to heat the gear. In order to avoid the difficulty in adjusting the assembly angle of the gear, a set of positioning blocks 423 which are arranged oppositely is fixed on one side of the mounting portion 422 away from the limiting portion 421 through screws, the positioning blocks 423 are provided with clamping jaws 4231, and the two clamping jaws 4231 can be just clamped into tooth grooves of the gear respectively to limit the angle of the gear.

As shown in fig. 1 and 6, a fixing block 122 is fixedly disposed at one end of the base plate 12, a circular hole capable of mounting the first cylinder 44 is formed in the fixing block 122, a moving direction of a piston rod of the first cylinder 44 is parallel to the slide rail 2, and the piston rod of the first cylinder 44 is connected to the connecting plate 43, so that the cylinder can control the heating tool 4 to reciprocate.

As shown in fig. 12 and 4, in order to fix the crankshaft, a fixture 3 for placing the crankshaft is fixed on the side of the base plate 31 where the slide rail 2 is not provided, and the fixture 3 corresponds to the heating fixture 4. Specifically, the fixture tool 3 includes a bottom plate 31, a first V-block 311, a second V-block 312 and a fixing fixture 32 are arranged on the bottom plate 31, an axial limiting block 313 is arranged between the first V-block 311 and the second V-block 312, and the fixing fixture 32 is located on one side between the axial limiting block 313 and the first V-block 311. The first V-shaped block 311 and the second V-shaped block 312 are both provided with supporting parts, the angles of the supporting parts are 85-95 degrees, the preferred angles are 90 degrees, and the crankshaft connecting device can be suitable for crankshafts with different diameters. In specific operation, the crankshaft is arranged on the supporting parts of the first V-shaped block 311, the second V-shaped block 312 and the axial limiting block 313, a threaded hole can be formed in the axial limiting block 313, a bolt penetrates through the axial limiting block 313 and a positioning hole in the crankshaft for positioning, and the crankshaft is clamped by the fixing clamp 32 to avoid jumping. Specifically, the fixing clamp 32 includes a second cylinder 322 vertically fixed on the bottom plate 31, a hinge 321 is provided on a housing of the second cylinder 322, a pressing arm 323 is hinged to a free end of the hinge 321, one end of the pressing arm 323 is connected to a piston rod of the second cylinder 322, and a pressing insert 324 is provided at the other end of the pressing arm 323. The compression arm 323 rotates around the hinge point of the hinge shaft 321 through the extension and contraction of the piston rod of the second air cylinder 322, so that the compression insert 324 is compressed or released. After the gear and the crankshaft are installed, the gear and the to-be-installed end of the crankshaft are coaxial.

As shown in fig. 1, an air-cooled air pipe 13 is further disposed on the placing table 11, the air-cooled air pipe 13 is controlled by a fan, and an air outlet of the air-cooled air pipe 13 is aligned with a to-be-installed end of the crankshaft, so that the gear can be cooled in time after being hot-pressed. Of course, the operation panel 7 electrically connected to the first cylinder 44, the second cylinder 322, the blower, and the high frequency motor is provided on one side of the mounting table 1.

In this embodiment, through setting up heating frock 4, heat the gear before the pressure equipment gear, utilize expend with heat and contract with cold's principle, make the gear treat the inner circle diameter grow of installation, carry out the pressure equipment again this moment, then the installation is easier, can avoid the extrusion of cold charge to the gear to destroy. And simultaneously, the utility model discloses a hot pressing adopts first cylinder 44 to promote heating frock 4 and installs, knocks into the mode with traditional manual work and compares, and installation effectiveness has obtained great improvement. And the gear is cooled and shrunk after assembly, so that the gear and the crankshaft are matched more tightly, and the mounting effect is better.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a bent axle gear hot pressing installation which characterized in that: the device comprises an installation table (1), wherein a slide rail (2) and a clamp tool (3) are fixed on the installation table (1), the clamp tool (3) is located at one end of the slide rail (2), the other end of the slide rail (2) is connected with a heating tool (4) in a sliding mode, the heating tool (4) corresponds to the clamp tool (3), and the heating tool (4) is connected with a first air cylinder (44); heating frock (4) are equipped with gear sleeve (42), it has heating coil (5) to let in gear sleeve (42), heating coil (5) are connected (6) with the high-frequency machine.

2. The crankshaft gear hot press as in claim 1, wherein: the heating tool (4) comprises a sliding seat (41), a first through hole (411) is formed in the sliding seat (41), and a coaxial first mounting hole (412) is formed in one end of the first through hole (411); gear cover (42) are including fixed connection's spacing portion (421) and installation department (422), spacing portion (421) with first mounting hole (412) cooperation, installation department (422) are built-in heating coil (5).

3. The crankshaft gear hot press as in claim 2, wherein: installation department (422) are kept away from one side of spacing portion (421) is fixed with locating piece (423), locating piece (423) are equipped with jack catch (4231).

4. The crankshaft gear hot press as claimed in claim 2, wherein: the bottom of slide (41) is equipped with connecting plate (43), the bottom of connecting plate (43) be equipped with slide rail (2) complex slider (431), the one end of connecting plate (43) with the piston rod of first cylinder (44) is connected.

5. The crankshaft gear hot press as claimed in claim 2, wherein: the clamp tool (3) comprises a bottom plate (31), a first V-shaped block (311), a second V-shaped block (312) and a fixing clamp (32) are arranged on the bottom plate (31), an axial limiting block (313) is arranged between the first V-shaped block (311) and the second V-shaped block (312), and the fixing clamp (32) is located on one side between the axial limiting block (313) and the first V-shaped block (311).

6. The crankshaft gear hot press as in claim 5, wherein: the fixing clamp (32) comprises a second air cylinder (322) vertically fixed on the base plate (31), a hinge shaft (321) is arranged on a shell of the second air cylinder (322), a pressing arm (323) is hinged to the free end of the hinge shaft (321), one end of the pressing arm (323) is connected with a piston rod of the second air cylinder (322), and a pressing insert (324) is arranged at the other end of the pressing arm (323).

7. The crankshaft gear hot press as claimed in claim 5, wherein: the first V-shaped block (311) and the second V-shaped block (312) are both provided with supporting parts, and the angles of the supporting parts are 85-95 degrees.

8. The crankshaft gear hot press as claimed in claim 5, wherein: mounting table (1) is including placing table (11), be equipped with foundatin plate (12) on placing table (11), seted up the installation on foundatin plate (12) bar recess (121) of slide rail (2), the one end of foundatin plate (12) is fixed with the installation fixed block (122) of first cylinder (44).

9. The crankshaft gear hot press as claimed in claim 8, wherein: an air-cooled air pipe (13) is also arranged on the placing table (11).

10. The crankshaft gear hot press as claimed in claim 9, wherein: and an operation panel (7) electrically connected with the first air cylinder (44), the second air cylinder (322) and the high-frequency motor is arranged on one side of the mounting table (1).