Quick clamping device for machining upper valve body

Abstract

The utility model relates to the technical field of valve body machining, in particular to a quick clamping device for upper valve body machining, which comprises a bottom plate, and a first clamping mechanism and a second clamping mechanism are arranged on the bottom plate and are respectively used for clamping an upper valve body. The assembling convex edge ends and the mounting ring grooves of the upper valve bodies on the first clamping mechanism and the second clamping mechanism are respectively arranged upwards; the first clamping mechanism comprises a first supporting seat arranged on the bottom plate, and a positioning convex edge which is integrally designed into a circle of ring is arranged on the first supporting seat and can be correspondingly matched in a mounting ring groove formed in the upper valve body; a first anti-rotation structure is further arranged on the first supporting base and provided with an anti-rotation face arranged on one side face of an upper flange plate on the upper valve body in an attached mode. The clamp has the advantages of being simple in structural design, low in use cost, reliable in clamping and convenient to clamp, disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of valve body machining, in particular to a quick clamping device for upper valve body machining. Background Art

[0002] like Figure 1 and 2 The figure shows an upper valve body structure, including a valve body tube 1 with an overall cylindrical structure design, an upper flange plate 2 is integrally formed on the upper end of the valve body tube, the upper surface of the upper flange plate has a circle of mounting ring groove 3 with an annular structure design, a circle of assembly groove 4 with an annular structure design is arranged on the outer peripheral wall of the mounting ring groove, and an upper assembly hole 5 is formed at the upper end of the inner hole of the valve body tube; a lower flange plate 6 is integrally formed on the lower end of the valve body tube, a circle of assembly ridges 7 with an annular structure design are arranged on the lower flange plate, and a lower assembly hole 8 is formed at the lower end of the inner hole of the valve body tube.

[0003] When manufacturing the upper valve body, it is usually necessary to machine the surface of the upper flange plate, the mounting ring groove, the assembly groove and the upper assembly hole; and the surface of the lower flange plate, the assembly flange and the lower assembly hole. After the machining is completed, a fixture is required to clamp and fix the upper valve body. And the use of the fixture needs to consider the cost of the fixture, the reliability of the clamping, and the convenience of clamping and disassembly. Utility Model Content

[0004] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is how to provide a quick clamping device for a valve body machine with simple structural design, low clamp use cost, reliable clamping, and convenient clamping and disassembly.

[0005] To achieve the above-mentioned purpose, the utility model provides a quick clamping device for an upper valve body machine, including a base plate, on which a first clamping mechanism and a second clamping mechanism are arranged and are respectively used to clamp the upper valve body, and the assembly convex edge ends and the mounting ring grooves of the upper valve body on the first clamping mechanism and the second clamping mechanism are respectively arranged upward; it is characterized in that: the first clamping mechanism includes a first support seat arranged on the base plate, and the first support seat is provided with a positioning convex edge of an overall ring-shaped design and can be correspondingly matched in the mounting ring groove of the upper valve body; a first anti-rotation structure is also provided on the first support seat, and the first anti-rotation structure has an anti-rotation surface on a side of an upper flange plate arranged in contact with the upper valve body; a first clamping structure is respectively provided on the base plate and on both sides corresponding to the first support seat, and the first clamping structure has a first clamping end and can be respectively crimped and arranged above both sides of the upper flange plate.

[0006] As an optimization, the upper surface of the first support seat has four support protrusions evenly distributed along the circumferential direction, each of the support protrusions is provided with an arc-shaped convex edge with an arc-shaped structure design, and the four arc-shaped convex edges together form the positioning convex edge.

[0007] As an optimization, the first anti-rotation structure includes an anti-rotation block correspondingly mounted and fixed on one of the supporting protrusions, and the inner side surface of the anti-rotation block forms the anti-rotation surface.

[0008] As an optimization, the first clamping structure includes a first clamping cylinder installed in a mounting and fixing hole on the base plate, a first pressure rod block is hingedly arranged at the piston rod end of the first clamping cylinder, and the first pressure rod block is also hingedly connected to the cylinder body of the first clamping cylinder through a first hinged rod; and the distal end of the first pressure rod block forms the first clamping end.

[0009] As an optimization, the distal end of the first pressure rod block is designed in an overall U-shaped structure so that the distal end of the first pressure rod block forms two first clamping ends which are respectively crimped at two corner positions above one side of the upper flange plate.

[0010] As an optimization, the second clamping mechanism includes a second support seat arranged on the base plate, and the second support seat is concavely provided with a circular positioning opening and can be inserted and matched with the assembly convex edge of the upper valve body; a second anti-rotation structure is also provided on the second support seat, and the second anti-rotation structure has an anti-rotation end and can be correspondingly inserted into the lower flange plate connecting hole on the upper valve body; a second clamping structure is respectively provided on the base plate and on both sides corresponding to the second support seat, and the second clamping structure has a second clamping end and can be respectively crimped and arranged above the two sides of the lower flange plate.

[0011] As an optimization, four upwardly protruding support bosses are evenly arranged on the upper surface of the second support seat and along the circumferential direction of the positioning opening, and the support bosses can be supported on the lower flange plate respectively.

[0012] As an optimization, the second anti-rotation structure includes an anti-rotation pin correspondingly mounted and fixed on one of the supporting bosses, and the anti-rotation pin forms the anti-rotation end.

[0013] As an optimization, the second clamping structure includes a second clamping cylinder installed in a mounting and fixing hole on the base plate, a second pressure rod block is hingedly provided at the piston rod end of the second clamping cylinder, and the second pressure rod block is also hingedly connected to the cylinder body of the second clamping cylinder through a second hinged rod; and the far end of the second pressure rod block forms the second clamping end.

[0014] As an optimization, the distal end of the second pressure rod block is designed in an overall U-shaped structure so that the distal end of the second pressure rod block forms two second clamping ends which are respectively crimped at two corner positions above one side of the lower flange plate.

[0015] Furthermore, a compression gasket made of brass is provided at the distal ends of the first pressure rod block and the second pressure rod block.

[0016] When the upper valve body is clamped by the above-mentioned upper valve body machine and the quick clamping device, the first clamping mechanism clamps the upper valve body so that the positioning protrusion on the first support seat corresponds to the mounting ring groove of the upper valve body to complete the positioning, and the anti-rotation surface on the anti-rotation block is attached to one side surface of the upper flange plate, and the two first clamping cylinders then drive the two first clamping ends at the far end of the first pressure rod block to crimp the two corner positions set above one side of the upper flange plate to complete the clamping.

[0017] The second clamping mechanism clamps the upper valve body so that the assembly convex edge of the upper valve body is inserted into and fits into the positioning hole on the second support seat, and the anti-rotation pin shaft is correspondingly inserted into the lower flange plate connecting hole on the upper valve body; the two second clamping cylinders then drive the two second clamping ends at the far end of the second pressure rod block to crimp the two corner positions above one side of the lower flange plate to complete the clamping.

[0018] The use of the above-mentioned upper valve body machine and quick clamping device to clamp the upper valve body has the following advantages: 1. The same clamping device is provided with a first clamping mechanism and a second clamping mechanism, which can clamp the upper valve body respectively and process the two ends of the upper valve body respectively, which can avoid replacing the clamp and improve efficiency; 2. The first clamping cylinder and the second clamping cylinder on the first clamping mechanism and the second clamping mechanism can be interchanged, and the first pressure rod block and the second pressure rod block can also be interchanged, which is more convenient for processing and design and can reduce the cost of the device; 3. The first clamping mechanism and the second clamping mechanism clamp the upper valve body more reliably, and can be more convenient for clamping and disassembly; 4. The design of the first support seat and the second support seat is more reasonable and more convenient for processing and manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the shift valve body in a specific implementation manner of the utility model.

[0020] Figure 2 yes Figure 1 Schematic diagram of the structure after rotation by an angle.

[0021] Figure 3 It is a structural schematic diagram of a quick clamping device for an upper valve body machine in a specific implementation manner of the utility model.

[0022] Figure 4 yes Figure 3 Schematic top view of .

[0023] Figure 5 yes Figure 3 Schematic diagram of the main view.

[0024] Figure 6 yes Figure 3 Schematic diagram after omitting the upper valve body.

[0025] Figure 7 yes Figure 6 Schematic top view of .

[0026] Figure 8 yes Figure 6 Schematic diagram of the structure after rotation by an angle.

[0027] Fig. 9 yes Figure 3 A schematic structural diagram of the first support seat in FIG.

[0028] Fig.10 yes Figure 3 A schematic structural diagram of the second support seat in FIG. DETAILED DESCRIPTION

[0029] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which 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 manner, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] like Figures 1 to 10 A quick clamping device for an upper valve body machine is shown, comprising a base plate 11, on which a first clamping mechanism and a second clamping mechanism are arranged and each is used to clamp an upper valve body 12, and the assembly convex edge ends and the mounting ring grooves of the upper valve body on the first clamping mechanism and the second clamping mechanism are respectively arranged upward; the first clamping mechanism comprises a first support seat 13 arranged on the base plate, on which a positioning convex edge 14 of an overall ring-shaped design is arranged and can be correspondingly matched in the mounting ring groove of the upper valve body; a first anti-rotation structure is also provided on the first support seat, and the first anti-rotation structure has an anti-rotation surface on a side surface of an upper flange plate arranged in contact with the upper valve body; a first clamping structure is respectively provided on the base plate and on both sides corresponding to the first support seat, and the first clamping structure has a first clamping end and can be respectively crimped and arranged above both sides of the upper flange plate.

[0031] In this specific embodiment, the upper surface of the first support seat has four support protrusions 15 evenly distributed along the circumferential direction, each of which is provided with an arc-shaped convex edge 16 with an arc-shaped structure design, and the four arc-shaped convex edges together form the positioning convex edge.

[0032] In this specific implementation, the first anti-rotation structure includes an anti-rotation block 17 correspondingly mounted and fixed on one of the supporting protrusions, and the inner side surface of the anti-rotation block forms the anti-rotation surface.

[0033] In this specific embodiment, the first clamping structure includes a first clamping cylinder 18 installed in a mounting and fixing hole on the base plate, a first pressure rod block 19 is hingedly provided at the piston rod end of the first clamping cylinder, and the first pressure rod block is also hingedly connected to the cylinder body of the first clamping cylinder through a first hinged rod; and the distal end of the first pressure rod block forms the first clamping end.

[0034] In this specific embodiment, the distal end of the first pressure rod block is designed in a U-shaped structure as a whole, so that the distal end of the first pressure rod block forms two first clamping ends which are respectively crimped and arranged at two corner positions above one side of the upper flange plate.

[0035] In this specific embodiment, the second clamping mechanism includes a second support seat 20 arranged on the base plate, and the second support seat is concavely provided with a circular positioning hole 21 and can be inserted and matched with the assembly convex edge of the upper valve body; a second anti-rotation structure is also provided on the second support seat, and the second anti-rotation structure has an anti-rotation end and can be correspondingly inserted into the lower flange plate connecting hole on the upper valve body; a second clamping structure is respectively provided on the base plate and on both sides corresponding to the second support seat, and the second clamping structure has a second clamping end and can be respectively crimped and arranged above the two sides of the lower flange plate.

[0036] In this specific embodiment, four upwardly protruding support bosses 22 are evenly arranged on the upper surface of the second support seat and along the circumferential direction of the positioning opening, and the support bosses can be supported on the lower flange plate respectively.

[0037] In this specific implementation manner, the second anti-rotation structure includes an anti-rotation pin shaft 23 correspondingly mounted and fixed on one of the supporting bosses, and the anti-rotation pin shaft forms the anti-rotation end.

[0038] In this specific embodiment, the second clamping structure includes a second clamping cylinder 24 installed in a mounting and fixing hole on the base plate, a second pressure rod block 25 is hingedly provided at the piston rod end of the second clamping cylinder, and the second pressure rod block is also hingedly connected to the cylinder body of the second clamping cylinder through a second hinged rod; and the far end of the second pressure rod block forms the second clamping end.

[0039] In this specific embodiment, the distal end of the second pressure rod block is designed in a U-shaped structure as a whole, so that the distal end of the second pressure rod block forms two second clamping ends which are respectively crimped and arranged at two corner positions above one side of the lower flange plate.

[0040] Specifically, a compression gasket 26 made of brass is disposed at the distal ends of the first compression rod block and the second compression rod block.

[0041] When the upper valve body is clamped by the above-mentioned upper valve body machine and the quick clamping device, the first clamping mechanism clamps the upper valve body so that the positioning protrusion on the first support seat corresponds to the mounting ring groove of the upper valve body to complete the positioning, and the anti-rotation surface on the anti-rotation block is attached to one side surface of the upper flange plate, and the two first clamping cylinders then drive the two first clamping ends at the far end of the first pressure rod block to crimp the two corner positions set above one side of the upper flange plate to complete the clamping.

[0042] The second clamping mechanism clamps the upper valve body so that the assembly convex edge of the upper valve body is inserted into and fits into the positioning hole on the second support seat, and the anti-rotation pin shaft is correspondingly inserted into the lower flange plate connecting hole on the upper valve body; the two second clamping cylinders then drive the two second clamping ends at the far end of the second pressure rod block to crimp the two corner positions above one side of the lower flange plate to complete the clamping.

[0043] The use of the above-mentioned upper valve body machine and quick clamping device to clamp the upper valve body has the following advantages: 1. The same clamping device is provided with a first clamping mechanism and a second clamping mechanism, which can clamp the upper valve body respectively and process the two ends of the upper valve body respectively, which can avoid replacing the clamp and improve efficiency; 2. The first clamping cylinder and the second clamping cylinder on the first clamping mechanism and the second clamping mechanism can be interchanged, and the first pressure rod block and the second pressure rod block can also be interchanged, which is more convenient for processing and design and can reduce the cost of the device; 3. The first clamping mechanism and the second clamping mechanism clamp the upper valve body more reliably, and can be more convenient for clamping and disassembly; 4. The design of the first support seat and the second support seat is more reasonable and more convenient for processing and manufacturing.

[0044] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. A quick clamping device for upper valve body machining, comprising a bottom plate, on which a first clamping mechanism and a second clamping mechanism are arranged, each for clamping the upper valve body, and the assembly convex edge and the mounting ring groove of the upper valve body on the first clamping mechanism and the second clamping mechanism are arranged upward; characterized in that; The first clamping mechanism includes a first support seat arranged on the base plate, and the first support seat is provided with a positioning convex edge in an overall ring-shaped design and can be correspondingly matched in the mounting ring groove of the upper valve body; a first anti-rotation structure is also provided on the first support seat, and the first anti-rotation structure has an anti-rotation surface on a side of an upper flange plate arranged in contact with the upper valve body; a first clamping structure is respectively provided on the base plate and on both sides corresponding to the first support seat, and the first clamping structure has a first clamping end and can be respectively crimped and arranged above both sides of the upper flange plate.

2. A quick clamping device for upper valve body machining as claimed in claim 1, characterized in that: The upper surface of the first support seat has four support protrusions evenly distributed along the circumferential direction, each of the support protrusions is provided with an arc-shaped convex edge with an arc-shaped structure design, and the four arc-shaped convex edges together form the positioning convex edge.

3. A quick clamping device for upper valve body machining as claimed in claim 2, characterized in that: The first anti-rotation structure comprises an anti-rotation block correspondingly mounted and fixed on one of the supporting protrusions, and the inner side surface of the anti-rotation block forms the anti-rotation surface.

4. A quick clamping device for upper valve body machining as claimed in claim 1, characterized in that: The first clamping structure includes a first clamping cylinder installed in a mounting and fixing hole on the base plate, a first pressure rod block is hingedly arranged at the piston rod end of the first clamping cylinder, and the first pressure rod block is also hingedly connected to the cylinder body of the first clamping cylinder through a first hinged rod; and the distal end of the first pressure rod block forms the first clamping end.

5. A quick clamping device for upper valve body machining as claimed in claim 4, characterized in that: The distal end of the first pressure rod block is designed in a U-shaped structure as a whole, so that the distal end of the first pressure rod block forms two first clamping ends which are respectively crimped and arranged at two corner positions above one side of the upper flange plate.

6. A quick clamping device for upper valve body machining as claimed in claim 1, characterized in that: The second clamping mechanism includes a second supporting seat arranged on the base plate, the second supporting seat is concavely provided with a circular positioning opening and can be inserted and matched with the assembly convex edge of the upper valve body; a second anti-rotation structure is also provided on the second supporting seat, the second anti-rotation structure has an anti-rotation end and can be correspondingly inserted into the lower flange plate connecting hole on the upper valve body; a second clamping structure is respectively provided on the base plate and on both sides corresponding to the second supporting seat, the second clamping structure has a second clamping end and can be respectively crimped and arranged above the two sides of the lower flange plate.

7. A quick clamping device for upper valve body machining as claimed in claim 6, characterized in that: Four upwardly protruding support bosses are evenly arranged on the upper surface of the second support seat and along the circumferential direction of the positioning opening, and the support bosses can be supported on the lower flange plate respectively.

8. A quick clamping device for upper valve body machining as claimed in claim 7, characterized in that: The second anti-rotation structure includes an anti-rotation pin correspondingly mounted and fixed on one of the supporting bosses, and the anti-rotation pin forms the anti-rotation end.

9. A quick clamping device for upper valve body machining as claimed in claim 6, characterized in that: The second clamping structure includes a second clamping cylinder installed in a mounting and fixing hole on the base plate, a second pressure rod block is hingedly arranged at the piston rod end of the second clamping cylinder, and the second pressure rod block is also hingedly connected to the cylinder body of the second clamping cylinder through a second hinged rod; and the far end of the second pressure rod block forms the second clamping end.

10. A quick clamping device for upper valve body machining as claimed in claim 9, characterized in that: The far end of the second pressure rod block is designed in a U-shaped structure as a whole, so that the far end of the second pressure rod block forms two second clamping ends which are respectively crimped and arranged at two corner positions above one side of the lower flange plate.

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