Automatic overturning device for valve cover

Abstract

The utility model aims to disclose an automatic turnover device for a valve cover, which relates to the technical field of valve cover assembly and comprises a vertical support plate, a first transverse guide rail and a second transverse guide rail, the first overturning assembly moves along the first transverse guide rail and the second transverse guide rail, and the second overturning assembly moves along the first transverse guide rail and the second transverse guide rail. The first overturning assembly comprises a first support and a first overturning motor, and the first overturning motor drives the first clamping jaw assembly to rotate. The valve cover overturning device has the technical effects that after the bottom and the top of a valve cover are synchronously clamped, the valve cover is synchronously rotated by 180 degrees through the first overturning motor and the second overturning motor, and the purpose that the valve cover is rotated by 180 degrees at the same station is achieved. The bottom and the top are sequentially welded, the welding alignment precision is high, the labor intensity of operators is greatly reduced, the welding efficiency and precision are also greatly improved, and the rejection rate is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of valve cover assembly, in particular to an automatic valve cover turning device. Background Art

[0002] The valve cover is a valve body part equipped with a valve stem seal. During the assembly process, the bottom and top of the valve cover are respectively provided with anti-loosening blocks and thrust nuts, which need to be welded firmly. Currently, the valve cover needs to be manually flipped over so that the bottom anti-loosening blocks and top thrust nuts of the valve cover can be welded in one station. However, the valve cover is heavy and has many specifications. The labor intensity of the operator is high and there is a defect of inaccurate manual positioning.

[0003] In view of this, it is necessary to develop an automatic valve cover flipping device to improve production efficiency. Summary of the Invention

[0004] In order to solve the above technical problems, the purpose of the present utility model is to disclose a valve cover automatic flipping device.

[0005] To achieve the above-mentioned object of the invention, the present invention provides a valve cover automatic flipping device, comprising a vertical support plate and a first transverse guide rail and a second transverse guide rail arranged parallel to the vertical support plate;

[0006] The first flip assembly moves along the first transverse guide rail and the second transverse guide rail, and the second flip assembly moves along the first transverse guide rail and the second transverse guide rail, and the first flip assembly and the second flip assembly move closer to or farther away from each other;

[0007] The first flip assembly includes a first bracket and a first flip motor provided on the first bracket, wherein the first flip motor drives the first clamping jaw assembly to rotate, and the first clamping jaw assembly includes a first lower clamping jaw and a first upper clamping jaw;

[0008] The second flip assembly includes a second bracket and a second flip motor provided on the second bracket. The second flip motor drives the second clamping jaw assembly to rotate. The second clamping jaw assembly includes a second lower clamping jaw and a second upper clamping jaw.

[0009] Preferably, a first motor and a second motor are provided on the back side of the vertical support plate, and a first screw rod assembly and a second screw rod assembly are provided on the front side of the vertical support plate;

[0010] The first screw assembly drives the first flip assembly to move along the first transverse guide rail and the second transverse guide rail, and the first motor drives the first screw assembly to rotate through the first belt;

[0011] The second screw assembly drives the second flip assembly to move along the first transverse guide rail and the second transverse guide rail, and the second motor drives the second screw assembly to rotate through a second belt.

[0012] Preferably, a first hollow portion and a second hollow portion are provided on the vertical support plate, the first belt passes through the first hollow portion, and the second belt passes through the second hollow portion.

[0013] Preferably, the first screw assembly is arranged between the first transverse guide rail and the second transverse guide rail;

[0014] The second screw assembly is disposed between the first transverse guide rail and the second transverse guide rail.

[0015] Preferably, the first lower clamping jaw and the second lower clamping jaw are symmetrically arranged.

[0016] Preferably, the first upper clamping jaw and the second upper clamping jaw are symmetrically arranged.

[0017] Preferably, the first lower clamping jaw and the second lower clamping jaw respectively include a plurality of L-shaped steps.

[0018] Preferably, the first upper clamping jaw and the second upper clamping jaw respectively include a clamping cylinder, and the clamping cylinder drives the first L-shaped clamping finger and the second L-shaped clamping finger.

[0019] Preferably, anti-slip grooves are provided on the clamping surface of the first L-shaped clamping finger, and anti-slip grooves are provided on the clamping surface of the second L-shaped clamping finger.

[0020] Preferably, a third motor, a vertical guide rail and a vertical rack are provided on the back of the vertical support plate, and the third motor drives the vertical support plate to rise and fall along the vertical guide rail via the vertical rack.

[0021] Compared with the prior art, the technical effects of this utility model are as follows:

[0022] The purpose of the utility model is to synchronously clamp the bottom and top of the valve cover, and then synchronously rotate the valve cover 180 degrees by the first flip motor and the second flip motor, so as to realize the welding of the bottom and the top in sequence at the same work station, with high welding alignment accuracy and greatly reduced labor intensity, and greatly improved welding efficiency and accuracy, thereby reducing the scrap rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 It is a three-dimensional structural diagram of the automatic valve cover turning device of the utility model.

[0025] Figure 2 It is a three-dimensional structural diagram of the automatic valve cover turning device of the utility model.

[0026] Figure 3 It is a three-dimensional structural diagram of the automatic valve cover turning device of the utility model.

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the valve cover.

[0028] Among them, 1. vertical support plate; 11. first transverse guide rail; 12. second transverse guide rail; 13. first motor; 14. second motor; 15. first screw assembly; 16. second screw assembly; 17. first belt; 18. second belt; 19. first hollow portion; 20. second hollow portion; 2. first flip assembly; 21. first bracket; 22. first flip motor; 23. first clamping jaw assembly; 24. first lower clamping jaw; 25 , first upper clamping jaw; 3, second flipping assembly; 31, second bracket; 32, second flipping motor; 33, second clamping jaw assembly; 34, second lower clamping jaw; 25, second upper clamping jaw; 4, valve cover; 41, bottom; 411, L-shaped step; 42, top; 421, ear; 5, clamping cylinder; 51, first L-shaped clamping finger; 52, second L-shaped clamping finger; 53, anti-slip groove; 6, third motor; 7, vertical guide rail; 8, vertical rack. DETAILED DESCRIPTION

[0029] The present invention is described in detail below with reference to the various embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in this field based on these embodiments are all within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] Example 1

[0032] Ginseng Figures 1 to 3 As shown, this embodiment discloses a specific implementation of a valve cover automatic flipping device.

[0033] Automatic bonnet flip device, see Figures 1 to 3 As shown, it includes a vertical support plate 1 and a first transverse guide rail 11 and a second transverse guide rail 12 arranged parallel to the vertical support plate 1; the first flip assembly 2 moves along the first transverse guide rail 11 and the second transverse guide rail 12, and the second flip assembly 3 moves along the first transverse guide rail 11 and the second transverse guide rail 12, and the first flip assembly 2 and the second flip assembly 3 move closer to or away from each other; the first flip assembly 2 includes a first bracket 21, a first flip motor 22 arranged on the first bracket 21, the first flip motor 22 drives the first clamping jaw assembly 23 to rotate, and the first clamping jaw assembly 23 includes a first lower clamping jaw 24 and a first upper clamping jaw 25; the second flip assembly 3 includes a second bracket 31, a second flip motor 32 arranged on the second bracket 31, the second flip motor 32 drives the second clamping jaw assembly 33 to rotate, and the second clamping jaw assembly 33 includes a second lower clamping jaw 34 and a second upper clamping jaw 35.

[0034] Specifically, see Figures 1 to 3The first flip assembly 2 and the second flip assembly 3 are respectively located on both sides of the vertical support plate 1, and the valve cover to be flipped is placed between the first flip assembly 2 and the second flip assembly 3. A first motor 13 and a second motor 14 are set on the back of the vertical support plate 1, and a first screw assembly 15 and a second screw assembly 16 are set on the front of the vertical support plate 1. The first screw assembly 15 is set between the first transverse guide rail 11 and the second transverse guide rail 12, and the second screw assembly 16 is set between the first transverse guide rail 11 and the second transverse guide rail 12; the first screw assembly 15 drives the first flip assembly 2 to move along the first transverse guide rail 11 and the second transverse guide rail 12, and the first screw assembly 15 drives the first bracket 21 to move, thereby driving the first clamping jaw assembly 23 to move The first motor 13 drives the first screw assembly 15 to rotate through the first belt 17; the second screw assembly 16 drives the second flip assembly 3 to move along the first transverse guide rail 11 and the second transverse guide rail 12. The second screw assembly 16 drives the second bracket 31 to move, thereby driving the second clamping jaw assembly 33 to move. The second motor 14 drives the second screw assembly 16 to rotate through the second belt 18. A first hollow portion 19 and a second hollow portion 20 are provided on the vertical support plate 1. The first belt 17 passes through the first hollow portion 19, and the second belt 18 passes through the second hollow portion 20. The first motor 13 and the second motor 14 are started synchronously and drive the first screw assembly 15 and the second screw assembly 16 to rotate synchronously through the first belt 17 and the second belt 18 respectively, so that the first flip assembly 2 and the second flip assembly 3 move closer to or farther from each other, and clamp the valve cover 4 when they move closer to each other.

[0035] See also Figure 4 The valve cover 4 includes a bottom 41 and a top 42. The bottom 41 is oval and has a stepped edge. The top 42 is provided with ears 421 on both sides that can be clipped. Figure 2 and Figure 3The first lower jaw 24 and the second lower jaw 34 are symmetrically arranged, and the first lower jaw 24 and the second lower jaw 34 are close to each other and clamp the two sides of the bottom 41; the first upper jaw 25 and the second upper jaw 35 are symmetrically arranged, and the first upper jaw 25 and the second upper jaw 35 are close to each other and clamp the ears 421 on both sides of the top 42. In order to allow the first lower jaw 24 and the second lower jaw 34 to use bottoms 41 of different sizes, the first lower jaw 24 and the second lower jaw 34 respectively include a plurality of L-shaped steps 411, and each L-shaped step 411 corresponds to a valve cover 4, so as to adapt to valve covers 4 of different sizes without replacing the first upper jaw 25 and the second upper jaw 35; the first upper jaw 25 and the second upper jaw 35 respectively include a clamping cylinder 5 and a first L-shaped step driven by the clamping cylinder 5. The clamping fingers 51 and the second L-shaped clamping fingers 52, the first L-shaped clamping fingers 51 and the second L-shaped clamping fingers 52 respectively clamp the two sides of the ear 421, and by adjusting the clamping stroke of the clamping cylinder 5, the top 42 of the valve cover 4 of different sizes can be clamped; anti-slip grooves 53 are set on the clamping surface of the first L-shaped clamping fingers 51, and anti-slip grooves 53 are set on the clamping surface of the second L-shaped clamping fingers 52. The anti-slip grooves 53 can enable the first L-shaped clamping fingers 51 and the second L-shaped clamping fingers 52 to clamp the ear 421 more tightly.

[0036] A third motor 6, a vertical guide rail 7 and a vertical rack 8 are provided on the back of the vertical support plate 1. The third motor 6 drives the vertical support plate 1 to rise and fall along the vertical guide rail 7 through the vertical rack 8. The third motor 6 drives the vertical rack 8 to rise and fall through the gear, thereby driving the vertical support plate 1 to rise and fall along the vertical guide rail 7. The working process of this embodiment is as follows: the valve cover 4 is placed between the first clamping jaw assembly 23 and the second clamping jaw assembly 33 according to the predetermined position; the first motor 13 and the second motor are started synchronously to make the first flip assembly 2 and the second flip assembly 3 approach each other and clamp the valve cover 4; the first flip motor 22 and the second flip motor 32 are started synchronously to drive the valve cover 4 to flip 180° so that the bottom 41 faces upward, and the corresponding workstations of the bottom 41 are welded; the first flip motor 22 and the second flip motor 32 are started synchronously to drive the valve cover 4 to flip 180° so that the bottom 41 faces downward, and the corresponding workstations of the top 42 are welded, and the welding is completed. It should be noted that when flipping the valve cover 4, in order to prevent interference between the valve cover 4 and the welding head, the third motor 6 can drive the vertical support plate 1, the first flip assembly 2 and the second flip assembly 3 to move downward to achieve avoidance during the flipping process.

[0037] The purpose of this embodiment is to synchronously clamp the bottom 41 and the top 42 of the valve cover 4, and then synchronously rotate the valve cover 4 180° by the first flip motor 22 and the second flip motor 32, so as to achieve the welding of the anti-loosening block of the bottom 41 and the thrust nut of the top 42 in the same work station, with high welding alignment accuracy and greatly reduced labor intensity, and greatly improved welding efficiency and accuracy, thereby reducing the scrap rate.

Claims

1. The valve cover automatic flip device is characterized by: It includes a vertical support plate and a first transverse guide rail and a second transverse guide rail arranged parallel to the vertical support plate; The first flip assembly moves along the first transverse guide rail and the second transverse guide rail, and the second flip assembly moves along the first transverse guide rail and the second transverse guide rail, and the first flip assembly and the second flip assembly move closer to or farther away from each other; The first flip assembly includes a first bracket and a first flip motor provided on the first bracket, wherein the first flip motor drives the first clamping jaw assembly to rotate, and the first clamping jaw assembly includes a first lower clamping jaw and a first upper clamping jaw; The second flip assembly includes a second bracket and a second flip motor provided on the second bracket. The second flip motor drives the second clamping jaw assembly to rotate. The second clamping jaw assembly includes a second lower clamping jaw and a second upper clamping jaw.

2. The automatic valve cover turning device according to claim 1, characterized in that: A first motor and a second motor are arranged on the back side of the vertical support plate, and a first screw rod assembly and a second screw rod assembly are arranged on the front side of the vertical support plate; The first screw assembly drives the first flip assembly to move along the first transverse guide rail and the second transverse guide rail, and the first motor drives the first screw assembly to rotate through the first belt; The second screw assembly drives the second flip assembly to move along the first transverse guide rail and the second transverse guide rail, and the second motor drives the second screw assembly to rotate through a second belt.

3. The automatic valve cover turning device according to claim 2, characterized in that: A first hollow portion and a second hollow portion are provided on the vertical support plate, the first belt passes through the first hollow portion, and the second belt passes through the second hollow portion.

4. The automatic valve cover turning device according to claim 2, characterized in that: The first screw assembly is disposed between the first transverse guide rail and the second transverse guide rail; The second screw assembly is disposed between the first transverse guide rail and the second transverse guide rail.

5. The automatic valve cover turning device according to any one of claims 1 to 4, characterized in that: The first lower clamping jaw and the second lower clamping jaw are symmetrically arranged.

6. The automatic valve cover turning device according to any one of claims 1 to 4, characterized in that: The first upper clamping jaw and the second upper clamping jaw are symmetrically arranged.

7. The automatic valve cover turning device according to claim 5, characterized in that: The first lower clamping jaw and the second lower clamping jaw respectively include a plurality of L-shaped steps.

8. The automatic valve cover turning device according to claim 6, characterized in that: The first upper clamping jaw and the second upper clamping jaw respectively include a clamping cylinder and a first L-shaped clamping finger and a second L-shaped clamping finger driven by the clamping cylinder.

9. The automatic valve cover turning device according to claim 8, characterized in that: Anti-slip grooves are provided on the clamping surface of the first L-shaped clamping finger, and anti-slip grooves are provided on the clamping surface of the second L-shaped clamping finger.

10. The automatic valve cover turning device according to any one of claims 1 to 4, characterized in that: A third motor, a vertical guide rail and a vertical rack are arranged on the back of the vertical support plate. The third motor drives the vertical support plate to move up and down along the vertical guide rail through the vertical rack.

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