Clamp for gear grinding machining of rack

Abstract

The utility model relates to the technical field of clamps, and discloses a clamp for rack grinding processing, which comprises a base, two ends of the top of the base are both provided with a shell through a mounting seat, a rotating seat is movably arranged in the shell, and the side surface of the rotating seat is annularly provided with a telescopic part I; according to the rack clamping device, the rotating seat can be driven to rotate through the driving part according to the shape of a rack, the clamping part matched with the shape of the rack is made to rotate to the side close to the containing seat, and then the rack is clamped through the clamping part. The position of the clamping part is pushed and adjusted through the first telescopic part, different clamping parts can be rapidly replaced according to the shape of the rack, the machining efficiency is improved, cleaning liquid can be conveyed into the cavity through the conveying pump, the cleaning liquid is sprayed out from the water outlet hole, the clamping part located in the shell is washed, and the clamping part is conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a clamp used for rack gear grinding. Background Art

[0002] The rack is an important part in the gear rack steering gear. With the increasingly fierce competition in the automotive industry, improving product quality and reducing production costs have become the dominant ideas of various automotive parts manufacturers. When processing the rack, a fixture is usually used to clamp and fix one end of the rack. When clamping the rack, the existing fixture adopts a clamping clamping method. The rack is placed in the arc groove of the workbench. The two sides of the arc groove are provided with pressure blocks through hydraulic cylinders. The side of the pressure block is arc-shaped. The pressure blocks on both sides of the arc groove are used to press the two sides of the rack together to fix the rack in the arc groove. Then, the gear shape of the rack is processed by the gear grinding machine. When using the existing rack processing fixture, it is inconvenient to replace the clamping parts. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a clamp for rack gear grinding.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A fixture for rack gear grinding comprises a base, both ends of the top of the base are mounted with a shell through a mounting seat, a rotating seat is movably mounted inside the shell, a telescopic component one is mounted in a circular distribution on the side of the rotating seat, a clamping component is mounted on one end of a piston rod of the telescopic component one, and a driving component for driving the rotating seat to rotate is mounted on the outer wall of the shell; a cavity is formed on the side wall of the shell, a water outlet is formed on a side wall of the cavity close to the rotating seat, the opening position of the water outlet corresponds to the side position of the clamping component, a delivery pump is mounted on the outer wall of the base, and the liquid outlet end of the delivery pump is connected to the inside of the cavity through an infusion tube; a telescopic component two is mounted on the top of the base, and a placement seat is mounted on one end of the piston rod of the telescopic component two.

[0006] As a further solution of the utility model: an extension tube is arranged at the bottom of the shell, and one end of the extension tube away from the shell extends into the base.

[0007] As a further solution of the utility model: a dirt collecting tank is movably provided inside the base, a filtering component is provided inside the base, and a liquid inlet end of the delivery pump is connected to the inside of the base through a hose.

[0008] As a further solution of the utility model: an anti-slip pad is provided on the side of the clamping component to increase the friction between the clamping component and the rack.

[0009] As a further solution of the utility model: a pressure sensor is installed on the side of the clamping component to detect the clamping force of the rack when the clamping component clamps the rack.

[0010] The beneficial effects of the utility model are as follows: when in use, the rack to be processed is placed on the placement seat, and according to the shape of the rack, the rotating seat is driven to rotate by the driving component, so that the clamping component adapted to the shape of the rack is rotated to the side close to the placement seat, and the position of the clamping component is adjusted by pushing the telescopic component to clamp and fix the rack, and different clamping components can be quickly replaced according to the shape of the rack, thereby improving the processing efficiency, and the cleaning liquid can be delivered to the cavity by the delivery pump, and the cleaning liquid is sprayed from the water outlet to rinse the clamping component located in the shell, so as to facilitate the cleaning of the clamping component. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of a fixture for rack gear grinding proposed by the utility model;

[0012] Figure 2 This is a schematic diagram of the housing structure of a fixture for rack gear grinding proposed by the utility model;

[0013] Figure 3 The utility model discloses a cross-sectional view of a clamping component structure of a clamp for rack gear grinding.

[0014] In the figure: 1-base, 2-filter component, 3-delivery pump, 4-cavity, 5-shell, 6-clamping component, 7-telescopic component one, 8-placing seat, 9-telescopic component two, 10-rotating seat, 11-extension pipe, 12-sewage collecting tank, 13-mounting seat, 14-driving component, 15-water outlet, 16-pressure sensor, 17-anti-slip pad. DETAILED DESCRIPTION

[0015] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0016] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0017] Reference Figure 1-3A fixture for rack gear grinding processing comprises a base 1, both ends of the top of the base 1 are mounted with a shell 5 through a mounting seat 13, a rotating seat 10 is movably mounted inside the shell 5, a telescopic component 7 is mounted in a circular distribution on the side of the rotating seat 10, a clamping component 6 is mounted on one end of the piston rod of the telescopic component 7, and a driving component 14 for driving the rotating seat 10 to rotate is mounted on the outer wall of the shell 5; a cavity 4 is formed on the side wall of the shell 5, a water outlet 15 is formed on a side wall of the cavity 4 close to the rotating seat 10, and the opening position of the water outlet 15 corresponds to the side position of the clamping component 6, a delivery pump 3 is mounted on the outer wall of the base 1, and the liquid outlet end of the delivery pump 3 is connected to the inside of the cavity 4 through an infusion tube; a telescopic component 29 is mounted on the top of the base 1, and a placement seat 8 is mounted on one end of the piston rod of the telescopic component 29.

[0018] When in use, the rack to be processed is placed on the placement seat 8. According to the shape of the rack, the rotating seat 10 is driven to rotate by the driving component 14, so that the clamping component 6 matched with the shape of the rack is rotated to the side close to the placement seat 8, and the position of the clamping component 6 is pushed and adjusted by the telescopic component 7 to clamp and fix the rack. Different clamping components 6 can be quickly replaced according to the shape of the rack to improve the processing efficiency, and the cleaning liquid can be delivered to the cavity 4 by the delivery pump 3, and the cleaning liquid is sprayed from the water outlet 15 to rinse the clamping component 6 located in the shell 5, so as to facilitate the cleaning of the clamping component 6.

[0019] As a preferred embodiment of the present utility model, the telescopic component 7 is an electric telescopic rod, a hydraulic cylinder, etc. In this embodiment, the preferred telescopic component 7 is an electric telescopic rod.

[0020] As a preferred embodiment of the present utility model, the telescopic component 2 9 is an electric telescopic rod, a hydraulic cylinder, etc. In this embodiment, the preferred telescopic component 2 9 is a hydraulic cylinder.

[0021] As a preferred embodiment of the present utility model, an extension tube 11 is provided at the bottom of the shell 5 , and one end of the extension tube 11 away from the shell 5 extends into the base 1 .

[0022] As a preferred embodiment of the utility model, a sewage collecting tank 12 is movably provided inside the base 1, a filter component 2 is provided inside the base 1, the liquid inlet end of the delivery pump 3 is connected with the interior of the base 1 through a hose, and the sewage collecting tank 12 and the filter component 2 filter the sewage introduced into the base 1 by the extension tube 11, thereby realizing the circulation, filtration and reuse of the cleaning liquid.

[0023] As a preferred embodiment of the present utility model, an anti-slip pad 17 is provided on the side of the clamping component 6 to increase the friction between the clamping component 6 and the rack.

[0024] As a preferred embodiment of the present invention, the anti-skid pad 17 is made of rubber, silicone or other materials. In this embodiment, the preferred anti-skid pad 17 is made of rubber.

[0025] As a preferred embodiment of the present utility model, a pressure sensor 16 is installed on the side of the clamping component 6 for detecting the clamping force of the clamping component 6 on the rack.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixture for rack gear grinding, comprising a base (1), characterized in that: Both ends of the top of the base (1) are mounted with a shell (5) via a mounting seat (13); a rotating seat (10) is movably mounted inside the shell (5); a telescopic component (7) is mounted in an annular manner on the side of the rotating seat (10); a clamping component (6) is mounted at one end of the piston rod of the telescopic component (7); and a driving component (14) for driving the rotating seat (10) to rotate is mounted on the outer wall of the shell (5); A cavity (4) is formed on the side wall of the housing (5); a water outlet hole (15) is formed on a side wall of the cavity (4) close to the rotating seat (10); the opening position of the water outlet hole (15) corresponds to the side position of the clamping component (6); a delivery pump (3) is installed on the outer wall of the base (1); and a liquid outlet end of the delivery pump (3) is connected to the interior of the cavity (4) through a liquid delivery tube; A telescopic component 2 (9) is installed on the top of the base (1), and a placement seat (8) is installed on one end of the piston rod of the telescopic component 2 (9).

2. A fixture for rack gear grinding according to claim 1, characterized in that: An extension tube (11) is provided at the bottom of the shell (5), and one end of the extension tube (11) away from the shell (5) extends into the base (1).

3. A fixture for rack gear grinding according to claim 2, characterized in that: A dirt collecting tank (12) is movably provided inside the base (1), a filtering component (2) is provided inside the base (1), and a liquid inlet end of the delivery pump (3) is connected to the inside of the base (1) via a hose.

4. A fixture for rack gear grinding according to claim 1, characterized in that: An anti-slip pad (17) is provided on the side of the clamping component (6) to increase the friction between the clamping component (6) and the rack.

5. A fixture for rack gear grinding according to claim 4, characterized in that: A pressure sensor (16) is installed on the side of the clamping component (6) for detecting the clamping force of the rack when the clamping component (6) clamps the rack.

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