Rear drive axle spring pin press-in device

Abstract

The utility model relates to a rear drive axle spring pin press-in device which comprises a base, a workbench is arranged above the front end of the base, and a guide column is arranged above the rear end of the base. The workbench is of a U-shaped structure with an opening groove in the middle of the upper end, and a containing groove and a supporting groove are formed in the two ends of the workbench respectively. The bracket is provided with a guide rod for positioning; a hold-down tool capable of being taken is arranged on the bracket; the rear drive axle spring pin press-in device has the advantages of being low in cost, simple in structure and high in working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rear drive axle spring pin press-in device. BACKGROUND

[0002] The rear drive axle helical tooth assembly is a key part of the vehicle transmission system, responsible for transmitting power to the wheels. The spring pin, as an important connecting piece, is used to fix the gear, bearing and other components in the helical tooth assembly, ensuring its stable operation.

[0003] Traditional spring pin press-in methods mostly use manual or simple mechanical tools, which have the following problems:

[0004] Insufficient precision: manual operation cannot guarantee the consistency of spring pin press-in depth and angle, affecting the performance of the assembly.

[0005] Low efficiency: manual operation takes a long time and cannot meet the large-scale production demand.

[0006] High risk of damage: improper operation can damage the spring pin or the assembly, increasing the scrap rate.

[0007] Lack of automation: traditional methods rely on manual work, making it difficult to achieve automated production and increasing labor costs.

[0008] In the prior art, although some automated equipment is used for spring pin press-in, it is mostly for simple structures and cannot meet the complex requirements of the rear drive axle helical tooth assembly. Therefore, there is an urgent need for a spring pin press-in method with high precision, high efficiency and suitable for complex structures. UTILITY MODEL CONTENTS

[0009] The utility model mainly solves the technical problems existing in the prior art, and provides a rear drive axle spring pin press-in device with low cost, simple structure and high working efficiency.

[0010] The above technical problems of the utility model are mainly solved by the following technical solutions:

[0011] The rear drive axle spring pin press-in device of the utility model comprises a base, a workbench above the front end of the base and a guide column above the rear end of the base; the workbench is a "U" type structure with an open slot in the middle of the upper end, and has a placing slot and a supporting slot at both ends; a guide rod is arranged on the supporting slot for positioning; a press can be taken from the supporting slot.

[0012] As a preferred embodiment, the supporting slot is two parallel slots, a guide rod is arranged on one slot for positioning, and the other slot is used to place the press.

[0013] As preferred, the whole of the pressing tool is in "L" structure, and the inner side of the long end is provided with a circular arc groove for adapting to the shape of the spiral gear shaft, and the short end is clamped into one slot of the groove.

[0014] As preferred, a through hole is formed on the long end of the pressing tool for the insertion of the guide rod.

[0015] As preferred, a brake is arranged above the workbench for driving the device to move up and down.

[0016] As preferred, a connecting plate is arranged below the brake, and a pressing block is arranged at the front end of the connecting plate below the position corresponding to the groove.

[0017] As preferred, guide rods are symmetrically arranged between the connecting plate and the workbench for guiding the brake when it is driven to press down and rise up.

[0018] As preferred, a sliding block is sleeved between the brake and the guide column for sliding up and down.

[0019] The beneficial effects of the utility model are:

[0020] Compared with the traditional spring pin pressing process, the traditional method is manually knocked in, which has low working efficiency and high labor intensity; there are also automatic pressing devices of the same type, but the purchase cost is high and not suitable for small and medium-sized enterprises; the device has simple overall structure, realizes semi-automatic operation, greatly reduces labor intensity, is convenient to operate, improves working efficiency, and is more accurate and easy to position; and is not easy to damage and has long service life. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 , 3 It is a local enlarged schematic diagram of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the product processed by the utility model.

[0025] In the figure: 1-base, 2-guide column, 3-sliding block, 4-brake, 5-press block, 6-put slot, 7-workbench, 8-press, 9-guide rod, 10-bracket, 11-spiral gear shaft, 12-spring pin, 13-spiral tooth, 14-bearing, 15-connection plate, 16-guide rod, 11.1-pin hole DETAILED DESCRIPTION

[0026] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0027] As Figures 1-3 Indicated, a kind of rear drive axle spring pin press-in device, it is mainly used to press spring pin into spiral gear shaft, let spring pin drive the operation of spiral gear shaft. Including base 1, there is workbench 7 on the top of front end of base 1, and guide column 2 on the top of rear end;The workbench 7 is the "U" type structure with opening slot in the middle of upper end portion, and there are put slot 6 and bracket 10 in two ends respectively;The bracket 10 is provided with guide rod 9 for positioning on it;The bracket 10 is provided with press 8 that can be taken;Further, we are used to press spring pin 12 (see Figure 4 ) into spiral gear shaft 11, both ends of spiral gear shaft 11, one end is equipped with spiral tooth 13, the other end is equipped with bearing 14, and there is pin hole 11.1 in the end equipped with spiral tooth 13;So that the spiral gear assembly equipped with bearing 14 and spiral tooth 13 is placed on workbench 7 when the application works, one end of bearing 14 is placed on put slot 6, and the end with spiral tooth 13 is placed on bracket 10;So that pin hole 11.1 is first fitted into guide rod 9, then press 8 is pressed onto bracket 10, then one end of spring pin 12 is placed into the top end of guide rod 9, then press in, and then the spiral gear assembly can be taken out to complete the installation of spring pin 12.

[0028] The bracket 10 is two parallel slots, guide rod 9 is arranged on one slot for positioning, and press 8 is arranged on the other slot.

[0029] The press 8 is "L" type structure as a whole, and the inner side of long strip end is provided with circular arc groove for adapting to the shape of spiral gear shaft, and the short strip end is clamped into one slot of bracket 10, so that the one end of spiral gear shaft 11 can be preliminarily fixed by press 8, and then the one end of spring pin 12 can be placed on guide rod 9 to complete positioning.

[0030] The long strip end of press 8 is provided with through hole (not marked) corresponding to the insertion of guide rod 9.

[0031] A brake 4 is provided above the worktable 7 to drive the device to move up and down (it should be noted that the pressing principle of this application adopts an existing stamping machine. Except for the worktable, its pressing structure and principle are the working principle of the existing stamping machine and belong to the prior art. Therefore, the applicant will not describe in detail how the device presses down).

[0032] A connecting plate 15 is provided below the brake 4. A pressure block 5 is provided at the lower front end of the connecting plate 15 corresponding to the position of the support groove 10. When the brake 4 is driven to press down, the pressure block 5 will directly press the spring pin 12 into the pin hole 11.1 to complete the entire spring pin pressing operation.

[0033] Guide rods 16 are symmetrically arranged between the connecting plate 15 and the worktable 7 to guide the brake 4 when it is driven to press down and rise. Specifically, there are corresponding through-hole openings on both sides of the rear end of the connecting plate 15. The guide rods 16 pass through the connecting plate 15 through the openings and are symmetrical on both sides of the brake 4. They can protrude onto the connecting plate 15 without obstruction. That is, the width between the two guide rods 16 is greater than the width between the brakes 4.

[0034] A slider 3 is fitted between the brake 4 and the guide post 2 for sliding up and down.

[0035] The beneficial effects of this utility model are:

[0036] Compared to the traditional spring pin pressing process, which involves manual hammering, resulting in low efficiency and high labor intensity, this device offers a simple overall structure and semi-automatic operation. It is easy to operate, improves work efficiency, and makes positioning more accurate and easier. Furthermore, it is durable and has a long service life.

[0037] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "be provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, also can be detachable connection, or integrally connected; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances

[0039] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rear drive axle spring pin press-in device characterized by: The utility model provides a kind of device for the automatic feeding of screw gear, including base (1), there is workbench (7) above the front end of base (1), there is guide pillar (2) above the rear end;The workbench (7) is "U” type structure with opening slot in upper end portion, and two ends have placing slot (6) and support slot (10) respectively;The support slot (10) is provided with guide rod (9) for positioning;The support slot (10) is provided with the press (8) that can be taken.

2. A drive axle spring pin press-in device as in claim 1, wherein: The support slot (10) is two parallel slots, and the guide rod (9) is arranged on one slot for positioning, and the other slot is used for placing the press (8).

3. A drive axle spring pin press-in device as in claim 2, wherein: The press (8) is "L” type structure, and the inner side of long strip end is provided with circular arc groove for adapting to the shape of helical gear shaft, and short strip end is clamped into one slot of support slot (10).

4. A drive axle spring pin press-in device as in claim 3, wherein: The long strip end of the press (8) is provided with through hole for the insertion of guide rod (9).

5. A drive axle spring pin press-in device as in claim 1, wherein: The upper portion of the workbench (7) is provided with brake (4) for driving device to move up and down.

6. A drive axle spring pin press-in device as in claim 5, wherein: The lower portion of the brake (4) is provided with connecting plate (15), and the pressing block (5) is arranged on the lower portion of the connecting plate (15) corresponding to the position of support slot (10).

7. A drive axle spring pin press-in device as in claim 6, wherein: The guide rod (16) is symmetrically arranged between the connecting plate (15) and the workbench (7) for guiding when the brake (4) is driven to press down and rise.

8. A drive axle spring pin press-in device as in claim 7, wherein: The brake (4) and guide pillar (2) are sleeved with slider (3) for sliding up and down.

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