Horizontal machining tool for swash plate variable pump shell

By designing a horizontal processing assembly for the swash plate variable pump housing, and using vertical plates, grooves and screws to achieve accurate positioning and fixing of the housing, the problem of multiple clamping required in the prior art is solved, and one clamping is completed is achieved, which improves processing efficiency and is suitable for large-scale production.

CN222553272UActive Publication Date: 2025-03-04YANTAI EDDIE HYDRAULIC TECH
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Patent Information

Application Number
CN202420222399.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-30
Publication Date
2025-03-04
Estimated Expiration
2034-01-30

AI Technical Summary

Technical Problem

The servo piston hole processing of the swash plate variable pump housing requires multiple clamping, and the accuracy requirements of the servo piston hole are high. The prior art is difficult to complete the clamping process in one clamping, and the processing efficiency is low, making it suitable for large-scale production.

Method used

A horizontal processing assembly including a base plate, a vertical plate and a support plate is designed, and the housing is formed by means of the through holes and grooves of the vertical plate, and the housing is fixed by using the first screw and the second screw, and the housing is accurately positioned and fixed by combining the positioning pin and the rectangular groove to ensure that the processing of the servo piston hole is completed in one clamping.

Benefits of technology

The accurate positioning and compression of the shell is achieved, ensuring that the servo piston hole is clamped in one go, improving processing efficiency, suitable for large-scale production, and ensuring that there is no deformation after processing.

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Abstract

The utility model relates to the technical field of machining, in particular to a horizontal machining tool for a swash plate variable pump shell. Comprising a bottom plate, a vertical plate and a supporting plate, the vertical plate is perpendicularly and fixedly connected to the top face of the bottom plate, the supporting plate is arranged at the bottom of the vertical plate, a through hole is formed in the upper portion of the vertical plate, a first groove and a second groove are formed in the peripheries of the two ends of the through hole respectively, and a first screw is arranged on the front face of the vertical plate; a first groove is formed in the back face of the vertical plate, first screws are arranged on the two side faces of the vertical plate, the first screws are in threaded connection with the left side and the right side of the first groove respectively, second screws are arranged on the back face of the vertical plate, and the second screws are in threaded connection with the upper portion and the lower portion of the second groove respectively. One horizontal machining tool can machine all contents through two times of clamping, and the horizontal machining tool is safe, reliable, high in efficiency and suitable for mass production.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a horizontal processing device for a casing of a swash plate variable displacement pump. Background Art

[0002] like Figure 3 , 4 The shape of the swash plate variable pump housing shown is complex, and requires a lot of processing content and multiple angles. If it is processed in vertical processing, it needs to be clamped at least 5 times, and the servo piston hole requires high precision, so it is best to complete the processing in one clamping.

[0003] Therefore, there is an urgent need for a processing tooling that has accurate positioning, convenient and reliable clamping, can complete the processing of the servo piston hole in one clamping, has high processing efficiency, does not deform after processing, and is suitable for mass production. Utility Model Content

[0004] In order to solve the above-mentioned technical problems or one of the technical problems existing in the prior art, the utility model discloses a horizontal processing device for a swash plate variable pump housing, comprising a base plate, a vertical plate and a support plate, the vertical plate being vertically fixed to the top surface of the base plate, the support plate being arranged at the bottom of the vertical plate, a through hole being arranged at the upper part of the vertical plate, a first groove and a second groove being respectively arranged at the outer periphery of the two ends of the through hole, a first screw being arranged at the front side of the vertical plate, the first screw being respectively screwed to the left and right sides of the first groove, a second screw being respectively screwed to the top and bottom of the second groove, a rectangular groove being arranged at the back side of the vertical plate, the rectangular groove being arranged at one side of the second groove, a bolt being also arranged on the top surface of the base plate, the bolt being arranged between the two support plates at the front side of the vertical plate, the bottom end of the bolt being screwed to the base plate.

[0005] Furthermore, the support plate is in the shape of a right-angled triangle and is respectively arranged on both sides of the front side and both sides of the back side of the vertical plate, and the two right-angled sides are respectively fixed to the top surfaces of the vertical plate and the bottom plate.

[0006] Furthermore, positioning pins are fixedly connected to the front and back sides of the vertical plate.

[0007] Furthermore, the positioning pins are respectively arranged above one of the first screws and on one side of the second screw located below the second groove.

[0008] Furthermore, the bottom plate is provided with a plurality of screw holes.

[0009] Furthermore, the first groove and the second groove are both circular grooves.

[0010] Compared with the prior art, the utility model can realize accurate positioning of the shell, and a station of the shell is installed on each side of the vertical plate. A horizontal processing device can realize processing of all contents through two clampings. It is safe, reliable, efficient and suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the front installation of the workpiece of the utility model;

[0014] Figure 4 This is a schematic diagram of installing a workpiece on the back of the utility model. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-4 The technical solution adopted by the utility model shown is: a horizontal processing device for a swash plate variable displacement pump housing, comprising a bottom plate 1, a vertical plate 2 and a support plate 5, wherein the vertical plate 2 is vertically fixed to the top surface of the bottom plate 1, and the support plate 5 is arranged at the bottom of the vertical plate 2, and a through hole is arranged on the upper part of the vertical plate 2, and a first groove 22 and a second groove 23 are respectively opened on the outer periphery of the two ends of the through hole, and a clamping position is formed with the housing through the grooves, and a first screw 21 is arranged on the front of the vertical plate 2, and the first screw 21 is respectively screwed to the left and right sides of the first groove 22, for To fix the front shell, a second screw 25 is provided on the back of the vertical plate 2, and the second screw 25 is respectively screwed on the top and bottom of the second groove 23 to fix the back shell. A rectangular groove 24 is provided on the back of the vertical plate 2, and the rectangular groove 24 is provided on one side of the second groove 23, which can cooperate with the shape of the shell to make the shell fit the surface of the vertical plate 2. A bolt 4 is also provided on the top surface of the bottom plate 1, and the bolt 4 is provided between the two support plates 5 on the front of the vertical plate 2. The bottom end of the bolt 4 is screwed on the bottom plate 1 to support the shell.

[0017] Preferably, the support plate 5 is in the shape of a right triangle and is respectively arranged on both sides of the front side and both sides of the back side of the vertical plate 2 , and the two right-angled sides are respectively fixed to the top surfaces of the vertical plate 2 and the bottom plate 1 to fix and support the vertical plate 2 .

[0018] Preferably, positioning pins 3 are fixedly connected to the front and back sides of the vertical plate 2 to position the shell installed on the vertical plate 2 .

[0019] Preferably, the positioning pins 3 are respectively arranged above one of the first screws 21 and on one side of the second screw 25 located below the second groove 23 .

[0020] Preferably, the base plate 1 is provided with a plurality of screw holes, and the base plate 1 can be mounted on the workbench by means of bolts.

[0021] Preferably, the first groove 22 and the second groove 23 are both circular grooves.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horizontal processing device for a swash plate variable displacement pump housing, characterized in that: The invention comprises a bottom plate (1), a vertical plate (2) and a support plate (5), wherein the vertical plate (2) is vertically fixed to the top surface of the bottom plate (1), the support plate (5) is arranged at the bottom of the vertical plate (2), a through hole is arranged at the top of the vertical plate (2), a first groove (22) and a second groove (23) are respectively opened at the outer periphery of the two ends of the through hole, a first screw (21) is arranged on the front surface of the vertical plate (2), the first screw (21) is screwed to the left and right sides of the first groove (22), a second screw (25) is arranged on the back surface of the vertical plate (2), the second screw (25) is screwed to the top and bottom of the second groove (23), a rectangular groove (24) is arranged on the back surface of the vertical plate (2), the rectangular groove (24) is arranged on one side of the second groove (23), and a bolt (4) is also arranged on the top surface of the bottom plate (1), the bolt (4) is arranged between the two support plates (5) on the front surface of the vertical plate (2), and the bottom end of the bolt (4) is screwed to the bottom plate (1).

2. The horizontal processing device for the housing of a swash plate variable displacement pump according to claim 1, characterized in that: The support plate (5) is in the shape of a right-angled triangle and is respectively arranged on both sides of the front side and both sides of the back side of the vertical plate (2), and the two right-angled side edges are respectively fixed to the top surface of the vertical plate (2) and the bottom plate (1).

3. The horizontal processing device for the housing of a swash plate variable displacement pump according to claim 1, characterized in that: Positioning pins (3) are fixedly connected to the front and back sides of the vertical plate (2).

4. The horizontal processing device for the housing of a swash plate variable displacement pump according to claim 3, characterized in that: The positioning pins (3) are respectively arranged above one of the first screws (21) and on one side of the second screw (25) located below the second groove (23).

5. The horizontal processing device for the housing of a swash plate variable displacement pump according to claim 3, characterized in that: The bottom plate (1) is provided with a plurality of screw holes.

6. The horizontal processing device for the housing of a swash plate variable displacement pump according to claim 3, characterized in that: The first groove (22) and the second groove (23) are both circular grooves.