CN216029926U

CN216029926U - Positioning and clamping composite device for machining differential mechanism shell assembly

Info

Publication number: CN216029926U
Application number: CN202122100421.XU
Authority: CN
Inventors: 李志勇; 李凯; 刘振东; 李振涛; 白政委
Original assignee: Henan Xintongli Machinery Co ltd
Current assignee: Henan Xintongli Machinery Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-15
Anticipated expiration: 2031-08-31

Abstract

The utility model provides a positioning and clamping composite device for machining a differential case assembly, which relates to the technical field of differential machining and comprises a workbench, wherein one side of the upper surface of the workbench is provided with an installation box, the outer surface of one side of the installation box is provided with a through groove, an annular positioning plate is arranged in the through groove and fixedly connected with the installation box through a connecting plate, the inside of the annular positioning plate is provided with at least three sliding grooves in an array manner, ejector rods are respectively arranged inside the sliding grooves in a sliding manner, one end of each ejector rod, far away from the center of the annular positioning plate, is provided with a fixed rod, the inner wall of one side of the workbench is rotatably connected with a clamping disc, the clamping disc is provided with a rotating groove in an array manner, the outer surface of the clamping disc is provided with a gear ring, the inside of the workbench is connected with a worm, and the other side of the upper surface of the workbench is provided with a machining device, only need stop to rotate the worm can, can not appear tension and not hard up phenomenon, and the installation with dismantle efficient.

Description

Positioning and clamping composite device for machining differential mechanism shell assembly

Technical Field

The utility model relates to the technical field of differential machining, in particular to a positioning, clamping and compounding device for machining a differential shell assembly.

Background

The automobile differential mechanism can enable left and right (or front and rear) driving wheels to rotate at different rotating speeds, and mainly comprises a left half axle gear, a right half axle gear, two planetary gears and a gear carrier.

The chinese patent that is CN213196581U in the bulletin number of authorizing discloses a positioner for processing differential mechanism housing assembly, has the open-ended box including the upper end, two fixed plates of fixedly connected with on the inside wall of box, two fixedly connected with is used for carrying out the fixed establishment of fixing to differential mechanism housing assembly on the lateral wall of fixed plate, fixedly connected with casing on the lateral wall of fixed case, be equipped with in the casing and be used for carrying out spacing stop gear to fixed establishment, first spout has been seted up to the interior bottom of box, sliding connection has the polisher in the first spout, still be equipped with the power unit that is used for providing power for the polisher in the casing.

However, the above technical scheme still has following defect, and the device fixes a position differential mechanism casing through the cooperation of ratchet and gag lever post, but there is the clearance in the cooperation between ratchet and the gag lever post, leads to fixing a position differential mechanism casing and fixed back, appears tension or not hard up phenomenon, can't be effectual fix a position differential mechanism casing fixedly, influences the processing of differential mechanism casing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning and clamping composite device for machining a differential case assembly, and aims to solve the problems that after a differential case is positioned and fixed by a positioning device for machining the differential case assembly in the prior art, the differential case cannot be effectively positioned and fixed due to the phenomenon of over-tightness or looseness, and the machining of the differential case is influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme: the positioning and clamping composite device for machining the differential case assembly comprises a workbench, wherein an installation box is arranged on one side of the upper surface of the workbench, a through groove is arranged on the outer surface of one side of the mounting box, an annular positioning plate is arranged in the through groove, the annular positioning plate is fixedly connected with the mounting box through a connecting plate, at least three sliding chutes are arranged in the annular positioning plate in an array manner, the inner parts of the sliding grooves are all provided with ejector rods in a sliding manner, one ends of the ejector rods far away from the center of the annular positioning plate are all provided with fixed rods, the inner wall of one side of the workbench is rotationally connected with a clamping disc, the clamping disc is provided with a plurality of rotating grooves corresponding to the number of the fixed rods in an array manner, the outer surface of the clamping disc is provided with a gear ring, the inside of the workbench is connected with a worm meshed with the gear ring in a rotating mode, and the other side of the upper surface of the workbench is provided with a machining device.

In order to facilitate machining of the differential housing, the machining device comprises a fixed plate, the workbench is connected with the fixed plate through guide rods symmetrically arranged, a telescopic device is arranged on the outer surface of one side of the fixed plate, the output end of the telescopic device is fixedly connected with a grinding machine, and moving blocks slidably connected with the guide rods are arranged on two sides of the grinding machine respectively.

According to a further technical scheme, the telescopic device can be an electric push rod or a telescopic hydraulic cylinder.

In order to increase the friction force between the differential shell and the ejector rod, the utility model adopts the further technical scheme that one end of the ejector rod, which is close to the center of the annular positioning plate, is provided with a grid pattern.

In order to facilitate the rotation of the worm, the further technical scheme of the utility model is that one end of the worm penetrates through one side of the mounting box and is fixedly connected with the cross torsion bar.

In order to facilitate the installation of the differential case, the further technical scheme of the utility model is that a first through groove is formed in the clamping disc.

According to a further technical scheme, a second through groove identical to the first through groove is formed in one side, opposite to the through groove, of the installation box.

In order to reduce the friction between the ejector rod and the clamping disc, the further technical scheme of the utility model is that the ejector rod is rotatably connected with a roller.

The utility model has the beneficial effects that:

1. through setting up annular locating plate, the connecting plate, the ejector pin, the dead lever, press from both sides tight dish, ring gear and worm, the rotation through the control worm drives the rotation of ring gear, it rotates to drive tight dish through the ring gear, it drives the ejector pin motion through the cooperation of rotating groove and dead lever to press from both sides tight dish, the ejector pin is fixed a position and is fixed differential mechanism casing, the worm is the deceleration motion with the cooperation of ring gear, can conveniently control the motion of ejector pin, and there is self-locking function worm and ring gear, accomplish to decide to install the differential mechanism casing, only need the stall worm can, the phenomenon of tension and not hard up can not appear, and the installation is with dismantle efficiently.

2. Through the second through groove and the first through groove of seting up respectively on install bin and clamping disk, conveniently go deep into the second through groove and the first through inslot with the one end of differential mechanism casing, improve the stability to the installation of differential mechanism casing.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a schematic structural view of a ring gear according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of a ring-shaped positioning plate according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of a roller according to an embodiment of the present invention.

In the figure: 1. a work table; 2. installing a box; 3. a through groove; 4. an annular positioning plate; 5. a connecting plate; 6. a chute; 7. a top rod; 8. fixing the rod; 9. clamping the disc; 10. a rotating groove; 11. a ring gear; 12. a worm; 13. a processing device; 1301. a fixing plate; 1302. a guide bar; 1303. a telescoping device; 1304. a sander; 1305. a moving block; 14. a cross torsion bar; 15. a first through groove; 16. a second through groove; 17. And a roller.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-5, a positioning and clamping composite device for processing a differential housing assembly comprises a workbench 1, wherein an installation box 2 is arranged on one side of the upper surface of the workbench 1, a through groove 3 is formed in the outer surface of one side of the installation box 2, an annular positioning plate 4 is arranged in the through groove 3, the annular positioning plate 4 is fixedly connected with the installation box 2 through a connecting plate 5, at least three sliding grooves 6 are formed in the annular positioning plate 4 in an array manner, ejector rods 7 are respectively arranged in the sliding grooves 6 in a sliding manner, fixing rods 8 are respectively arranged at one ends of the ejector rods 7 far away from the center of the annular positioning plate 4, a clamping disc 9 is rotatably connected to the inner wall of one side of the workbench 1, rotating grooves 10 corresponding to the number of the fixing rods 8 are formed in the array manner on the clamping disc 9, a gear ring 11 is arranged on the outer surface of the clamping disc 9, a worm 12 meshed with the gear ring 11 is rotatably connected to the inside of the workbench 1, and a processing device 13 is arranged on the other side of the upper surface of the workbench 1.

In this embodiment, during the use, place the inside of annular locating plate 4 with the one end of differential mechanism casing, then rotate worm 12, worm 12 drives ring gear 11 and rotates, ring gear 11 drives and presss from both sides tight dish 9 and rotates, press from both sides tight dish 9 and drive ejector pin 7 through the cooperation of spout 6 with dead lever 8 and move to the central direction that is close to annular locating plate 4, ejector pin 7 fixes the differential mechanism casing, when unable continuation rotation worm 12, stop rotating worm 12, accomplish the location installation of differential mechanism casing this moment, and through the synchronous motion of ejector pin 7, make the centre of rotation of differential mechanism casing the same with the centre of rotation of annular locating plate 4, then process the differential mechanism casing through processingequipment 13.

In another embodiment of the present invention, the processing device 13 includes a fixed plate 1301, the workbench 1 and the fixed plate 1301 are connected by guide rods 1302 symmetrically arranged, an expansion device 1303 is arranged on an outer surface of one side of the fixed plate 1301, an output end of the expansion device 1303 is fixedly connected to a grinding machine 1304, moving blocks 1305 slidably connected to the guide rods 1302 are respectively arranged on two sides of the grinding machine 1304, after the differential case is installed, the expansion device 1303 is controlled, and the expansion device 1303 drives the grinding machine 1304 to move on the guide rods 1302 through the moving blocks 1305, so as to grind the differential case when the differential case moves to a predetermined position.

Specifically, the telescopic device 1303 may be an electric push rod or a telescopic hydraulic cylinder.

Furthermore, one end of the ejector rod 7, which is close to the center of the annular positioning plate 4, is provided with grid patterns, and the grid patterns increase friction between the ejector rod 7 and the differential shell, so that the differential shell is prevented from rotating in the machining process.

Furthermore, one end of the worm 12 penetrates through one side of the installation box 2 and then is fixedly connected with the cross-shaped torsion bar 14, the worm 12 is driven to rotate by rotating the cross-shaped torsion bar 14, workers can conveniently control the rotation of the worm 12, and physical strength is saved.

Specifically, a first through groove 15 is formed in the clamping disc 9, a second through groove 16 identical to the first through groove 15 is formed in one side, opposite to the through groove 3, of the installation box 2, and in the installation process of the differential case, one end of the differential case can penetrate into the second through groove 16 identical to the first through groove 15, so that the differential case is convenient to install.

Preferably, the ejector rod 7 is rotatably connected with a roller 17, and the roller 17 can reduce the friction between the ejector rod 7 and the clamping disc 9, so that the durability of the device is improved.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A positioning and clamping composite device for machining a differential mechanism shell assembly comprises a workbench (1) and is characterized in that an installation box (2) is arranged on one side of the upper surface of the workbench (1), a through groove (3) is formed in the outer surface of one side of the installation box (2), an annular positioning plate (4) is arranged in the through groove (3), the annular positioning plate (4) is fixedly connected with the installation box (2) through a connecting plate (5), at least three sliding grooves (6) are formed in the inner array of the annular positioning plate (4), ejector rods (7) are respectively arranged in the sliding grooves (6) in a sliding manner, fixing rods (8) are respectively arranged at one ends of the ejector rods (7) far away from the center of the annular positioning plate (4), a clamping disc (9) is rotatably connected to the inner wall of one side of the workbench (1), and rotating grooves (10) corresponding to the fixing rods (8) in number are formed in the clamping disc (9) in an array manner, the outer surface of the clamping disc (9) is provided with a gear ring (11), the inside of the workbench (1) is rotated to be connected with a worm (12) meshed with the gear ring (11), and the other side of the upper surface of the workbench (1) is provided with a processing device (13).

2. The positioning and clamping composite device for machining the differential case assembly according to claim 1, characterized in that the machining device (13) comprises a fixing plate (1301), the workbench (1) and the fixing plate (1301) are connected through guide rods (1302) which are symmetrically arranged, a telescopic device (1303) is arranged on the outer surface of one side of the fixing plate (1301), the output end of the telescopic device (1303) is fixedly connected with a grinding machine (1304), and moving blocks (1305) which are slidably connected with the guide rods (1302) are respectively arranged on two sides of the grinding machine (1304).

3. The positioning and clamping composite device for machining a differential case assembly according to claim 2, wherein the telescopic device (1303) can be an electric push rod or a telescopic hydraulic cylinder.

4. The positioning and clamping composite device for machining the differential case assembly according to claim 1, wherein one end of the ejector rod (7) close to the center of the annular positioning plate (4) is provided with a grid pattern.

5. The positioning and clamping composite device for machining the differential case assembly according to claim 1, wherein one end of the worm (12) penetrates through one side of the mounting box (2) and is fixedly connected with the cross torsion bar (14).

6. The positioning and clamping composite device for machining a differential case assembly according to claim 1, characterized in that the clamping disc (9) is internally provided with a first through groove (15).

7. The positioning and clamping composite device for machining the differential case assembly according to claim 6, wherein a second through groove (16) identical to the first through groove (15) is formed in one side of the installation box (2) opposite to the through groove (3).

8. The positioning and clamping composite device for machining the differential case assembly according to any one of claims 1 to 7, wherein the carrier rod (7) is rotatably connected with a roller (17).