Clamp spring press-fitting device

Abstract

The utility model relates to the technical field of snap spring press-fitting equipment, in particular to a snap spring press-fitting device which comprises a base, a working area used for mounting a rotor shaft is arranged below the base, a mounting plate is arranged at the top end of the base, and a press-fitting air cylinder is mounted on the top end face of the mounting plate. The output end of the press-fitting air cylinder penetrates through the mounting plate to be in drive connection with a press-fitting head, and an auxiliary jig for assisting in fixing the clamp spring is further arranged in the working area. According to the utility model, the auxiliary jig capable of accommodating the snap spring is arranged on the snap spring mounting end face of the rotor shaft, the auxiliary jig is matched with the rotor shaft to calibrate the relative mounting position of the snap spring and the rotor shaft, and the press-fitting head driven by the press-fitting air cylinder moves downwards to press the auxiliary jig, so that the snap spring can be mounted on the rotor shaft. Therefore, the clamp spring is pressed and assembled with the rotor shaft under the guidance of the auxiliary jig, manpower can be saved, and high-precision quick press fitting of the clamp spring is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of clamp spring press-fitting equipment, in particular to a clamp spring press-fitting device. Background Art

[0002] Currently, in the field of processing and assembling of differential lock retaining springs, the retaining spring is generally pressed onto the rotor shaft of the differential lock by manual hammering. Manual assembly not only has low work efficiency, but also cannot guarantee the assembly accuracy of the retaining spring, thus affecting the quality of the finished differential lock assembly.

[0003] In view of this, we propose a clamp spring press-fitting device to solve the existing problem. Utility Model Content

[0004] The utility model aims to provide a clamping spring press-fitting device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring press-fitting device, comprising a base, a working area for installing a rotor shaft is provided below the base, a mounting plate is provided at the top of the base, a pressing cylinder is installed on the top end surface of the mounting plate, the output end of the pressing cylinder is driven through the mounting plate and connected to a pressing head, an auxiliary fixture for assisting in fixing the spring is also provided in the working area, and the pressing head pushes the auxiliary fixture under the drive of the pressing cylinder to press the spring and the rotor shaft together, and a protective component is also provided at the front end of the base, which is slidably connected to the base in a vertical direction and is used to enclose the working area.

[0006] Preferably, the protective assembly includes a U-shaped protective cover with an opening at one end, and the open end of the protective cover faces one side of the base so that the protective cover is enclosed around the front periphery and the left and right side peripheries of the base.

[0007] Preferably, the protection component also includes a lifting cylinder, which is installed on the front side of the top end surface of the base through a fixing plate, and the output end of the lifting cylinder is connected to the inner wall of the front end surface of the protective cover.

[0008] Preferably, the fixed plate is a thin plate installed in a vertical state on the front side of the base, the lifting cylinder is fixed to the top of the front end surface of the fixed plate through the cylinder base, guide bases are symmetrically provided at the left and right ends of the front end surface of the fixed plate, and vertically distributed guide rods are symmetrically provided at both ends of the front inner wall of the protective cover, and the guide rods pass through the center of the guide base and are slidably connected to the guide base.

[0009] Preferably, the press-fitting head is connected to the output end of the press-fitting cylinder via a buffer spring, and a bottom end of the press-fitting head is provided with a downward pressing driving surface for abutting against the top end surface of the auxiliary fixture.

[0010] Preferably, the auxiliary jig is arranged on the top surface of the retaining spring assembly end of the rotor shaft, and the end of the auxiliary jig in contact with the rotor shaft is provided with an inner cavity for accommodating the retaining spring along the axis, the size of which matches the outer diameter of the rotor shaft, and the pressing head presses down the auxiliary jig to press the retaining spring and the rotor shaft together.

[0011] Preferably, the auxiliary fixture is a truncated cone-shaped guide column with a central penetration.

[0012] Preferably, the protective cover (503) is made of transparent material.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides an auxiliary jig for accommodating the retaining spring on the retaining spring installation end face of the rotor shaft. The auxiliary jig cooperates with the rotor shaft to calibrate the relative installation positions of the retaining spring and the rotor shaft. The auxiliary jig is pressed down by a pressing head driven by a pressing cylinder, so that the retaining spring is press-fitted and assembled with the rotor shaft under the constraint and guidance of the auxiliary jig, which can save manpower and realize high-precision and rapid press-fitting of the retaining spring.

[0015] The utility model provides a protective cover at the front end of the base. During the pressing operation, the protective cover surrounds the pressing station to prevent accidental touch and ensure the safety of production and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the press-fit head of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the protection component of the utility model;

[0019] Figure 4 It is a schematic diagram of the auxiliary fixture structure of the utility model.

[0020] In the figure: 1. Press-fitting cylinder; 2. Base; 3. Press-fitting head; 4. Auxiliary fixture; 401. Inner cavity; 5. Protective component; 501. Lifting cylinder; 502. Fixing plate; 503. Protective cover; 504. Guide base; 505. Guide rod. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] Embodiment 1

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a spring press-fitting device proposed in the utility model includes a base 2, a working area for installing the rotor shaft is provided below the base 2, a mounting plate is provided at the top of the base 2, a pressing cylinder 1 is installed on the top end surface of the mounting plate, the output end of the pressing cylinder 1 is driven and connected to a pressing head 3 through the mounting plate, an auxiliary fixture 4 for assisting in fixing the spring is also provided in the working area, and the pressing head 3 pushes the auxiliary fixture 4 under the drive of the pressing cylinder to press the spring and the rotor shaft for assembly, and a protective component 5 is also provided at the front end of the base 2, which is slidably connected to the base 2 in the vertical direction and is used to enclose the working area.

[0024] In the embodiment, the protection component 5 includes a U-shaped protection cover 503 with an opening at one end, and the open end of the protection cover 503 faces one side of the base 2 so that the protection cover 503 is enclosed around the front periphery and the left and right side peripheries of the base 2.

[0025] In an embodiment, the protective component 5 also includes a lifting cylinder 501, which is installed on the front side of the top end surface of the base 2 through a fixing plate 502, and the output end of the lifting cylinder 501 is connected to the inner wall of the front end surface of the protective cover 503, so as to drive the protective cover 503 to move.

[0026] In the embodiment, the fixed plate 502 is a thin plate installed in a vertical state on the front side of the base 2. The lifting cylinder 501 is fixed to the top of the front end surface of the fixed plate 502 through the cylinder base. The left and right ends of the front end surface of the fixed plate 502 are symmetrically provided with guide bases 504. The two ends of the front inner wall of the protective cover 503 are symmetrically provided with vertically distributed guide rods 505. The guide rods 505 pass through the center of the guide base 504 and are slidably connected to the guide base 504, so as to guide the protective cover 503 to slide in the vertical direction.

[0027] In the embodiment, the pressing head 3 is connected to the output end of the pressing cylinder 1 through a buffer spring, and a bottom end of the pressing head 3 is provided with a downward pressing driving surface for abutting against the top end surface of the auxiliary fixture 4, which is used to abut against the downward pressing auxiliary fixture 4.

[0028] In the embodiment, the auxiliary jig 4 is arranged on the top surface of the retaining spring assembly end of the rotor shaft, and the end of the auxiliary jig 4 that contacts the rotor shaft is provided with an inner cavity 401 along the axis line, the size of which matches the outer diameter of the rotor shaft and is used to accommodate the retaining spring. The pressing head 3 presses down the auxiliary jig 4 to press the retaining spring and the rotor shaft together.

[0029] In the embodiment, the auxiliary fixture 4 is a frustoconical guide column with a central penetration.

[0030] In the embodiment, the protective cover 503 is made of transparent material to facilitate observation of the press-fitting status.

[0031] The working principle of a retaining spring press-fitting device based on the first embodiment is as follows: when the utility model is used, the rotor shaft is fixed on the press-fitting station, the retaining spring is placed on the top end face of the rotor shaft where the retaining spring needs to be mounted, and the auxiliary jig 4 is installed on the outer periphery of the retaining spring so that the retaining spring is in the inner cavity 401 of the auxiliary jig 4. The retaining spring is driven by the auxiliary jig 4 to cooperate with the outer edge of the rotor shaft to determine the relative position of the retaining spring and the rotor shaft. During press-fitting, the pressing head 3 is driven downward by the output shaft of the pressing cylinder 1, and the downward pressing driving surface of the pressing head 3 abuts against the top surface of the auxiliary jig 4, so that the auxiliary jig 4 is pressed downward to press the retaining spring in its inner cavity 401 and press-fit it with the rotor shaft to form the retaining spring. The auxiliary jig 4 is mounted on the outer periphery of the retaining spring to constrain the position of the retaining spring and prevent it from falling off during press-fitting.

[0032] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A clamp spring press-fitting device, comprising a base (2), a working area for installing a rotor shaft being provided below the base, characterized in that: The top of the base (2) is provided with a mounting plate, the top end surface of the mounting plate is provided with a press-fitting cylinder (1), the output end of the press-fitting cylinder (1) is connected to a press-fitting head (3) through the mounting plate, an auxiliary fixture (4) for assisting in fixing the retaining spring is also provided in the working area, the press-fitting head (3) is driven by the press-fitting cylinder (1) to push the auxiliary fixture (4) to press-fit the retaining spring and the rotor shaft, and the front end of the base (2) is also provided with a protective component (5) which is slidably connected to the base (2) in a vertical direction and is used to enclose the working area.

2. A clamp spring press-fitting device according to claim 1, characterized in that: The protective assembly (5) comprises a U-shaped protective cover (503) with an opening at one end, the open end of the protective cover (503) facing one side of the base (2) so that the protective cover (503) is enclosed around the front periphery and the left and right side peripheries of the base (2).

3. A clamp spring press-fitting device according to claim 2, characterized in that: The protection component (5) further comprises a lifting cylinder (501), wherein the lifting cylinder (501) is mounted on the front side of the top end surface of the base (2) via a fixing plate (502), and the output end of the lifting cylinder (501) is connected to the inner wall of the front end surface of the protection cover (503).

4. A clamp spring press-fitting device according to claim 3, characterized in that: The fixed plate (502) is a thin plate installed in a vertical state on the front side of the base (2); the lifting cylinder (501) is fixed to the top of the front end surface of the fixed plate (502) through a cylinder base; guide bases (504) are symmetrically provided at the left and right ends of the front end surface of the fixed plate (502); and vertically distributed guide rods (505) are symmetrically provided at the two ends of the front inner wall of the protective cover (503); the guide rods (505) pass through the center of the guide base (504) and are slidably connected to the guide base (504).

5. The clamp spring press-fitting device according to claim 1, characterized in that: The pressing head (3) is connected to the output end of the pressing cylinder (1) via a buffer spring, and a downward pressing driving surface for abutting against the top end surface of the auxiliary fixture (4) is provided at one bottom end of the pressing head (3).

6. A clamp spring press-fitting device according to claim 1, characterized in that: The auxiliary jig (4) is arranged on the top surface of the mounting end of the rotor shaft's retaining spring, and an inner cavity (401) for accommodating the retaining spring having a size matching the outer diameter of the rotor shaft is provided along the axis of the end of the auxiliary jig (4) that contacts the rotor shaft, and the pressing head (3) presses down the auxiliary jig (4) to press the retaining spring and the rotor shaft together.

7. A clamp spring press-fitting device according to claim 6, characterized in that: The auxiliary fixture (4) is a truncated cone-shaped guide column with a central penetration.

8. The clamp spring press-fitting device according to claim 4, characterized in that: The protective cover (503) is made of transparent material.

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