Three-valve-group valve seat multi-station drilling and milling tool

Abstract

The utility model belongs to the technical field of valve seat drilling and milling tools, and discloses a three-valve-group valve seat multi-station drilling and milling tool which comprises a base, an installation plate is arranged above the base, a plurality of installation grooves are formed in the upper end face of the installation plate, clamping plates are installed at the two ends of the installation plate, a plurality of pressing plates are arranged between the clamping plates at the two ends, and a plurality of clamping grooves are formed in the upper end face of the installation plate. A plurality of clamping plates are arranged between the two adjacent pressing plates, valve seat bodies are arranged between the two adjacent pressing plates as well as between the clamping plates and the pressing plates, and the clamping plates and the pressing plates are connected with the mounting plate through mounting grooves. During use, a plurality of mounting spaces are formed between the clamping plates and the pressing plates as well as between the two adjacent pressing plates, so that different surfaces of the valve seat bodies can be conveniently clamped; different operation faces of the valve seat body can be exposed outside, when the operation faces are exposed outside, the workpiece position does not need to be frequently adjusted or a clamp does not need to be replaced, the work of clamping on different devices for multiple times is avoided, and therefore the machining period is shortened, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve seat drilling and milling tool technical field, concretely relates to three valve group valve seat multi -position drilling and milling tool. BACKGROUND

[0002] The valve seat drilling and milling tool is a special tool or equipment specially used for machining the valve seat. The valve seat is a key part in the valve assembly. It usually needs accurate drilling, milling and other machining steps to form the required shape and size to ensure the sealing and functionality of the valve. The design purpose of the valve seat drilling and milling tool is to improve the efficiency, accuracy and repeatability of these machining steps.

[0003] The existing valve seat drilling and milling tool needs to be clamped multiple times on different equipment to complete the machining of different products and different surfaces of the same product when in use, which leads to long machining time, low efficiency and increased labor cost. UTILITY MODEL CONTENT

[0004] The utility model aims at providing three valve group valve seat multi -position drilling and milling tool to solve the problem of long machining time and low efficiency caused by the need for multiple clamping on different equipment for the machining of different products and different surfaces of the same product as mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: three valve group valve seat multi -position drilling and milling tool, including: base, the upper side of base is equipped with mounting plate, the upper end surface of mounting plate is equipped with a plurality of installation grooves, both ends of mounting plate are equipped with clamping plate, a plurality of pressing plates are equipped between both ends clamping plate, and valve seat body is equipped between adjacent two pressing plates and between clamping plate and pressing plate.

[0006] Preferably, the clamping plate and the pressing plate are connected with the mounting plate through the installation groove, and the operation surface of the valve seat body is matched with the clamping plate and the pressing plate and the adjacent two pressing plates.

[0007] Preferably, the positioning block is connected between the clamping plate and the valve seat body and between the pressing plate and the valve seat body.

[0008] Preferably, the support plate is installed on one side of the upper end surface of the base, and the first fixed plate and the second fixed plate are installed on the support plate and the base respectively, and the mounting plate is located between the first fixed plate and the second fixed plate.

[0009] Preferably, the driving shaft is installed at both ends of the mounting plate, the connecting plate is sleeved outside both ends of the driving shaft, and the first fixed plate and the second fixed plate are connected with both ends of the connecting plate respectively.

[0010] Preferably, a plurality of screw holes are formed in the connecting plate, and a screw is fixed between the connecting plate and the mounting plate through the screw hole.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) The utility model discloses a plurality of clamping plates and pressing plates are arranged, and different surfaces of the valve seat body can be clamped conveniently, a plurality of mounting spaces are formed between the clamping plates and the pressing plates and between two adjacent pressing plates during use, so that different surfaces of the valve seat body can be clamped conveniently, different operation surfaces of the valve seat body can be exposed, and the workpiece position needs not to be adjusted frequently or the clamp needs not to be replaced when the operation surfaces are exposed, the work of clamping on different equipment multiple times is avoided, the machining cycle is shortened, and the labor cost is reduced.

[0013] (2) The utility model discloses a driving shaft is arranged to drive the mounting plate and the valve seat body to rotate, so that the continuous machining of the valve seat body is realized, the time of reversing and repositioning is reduced, the machining force is distributed more evenly, the deformation caused by single-point stress is reduced, the machining precision is improved, and the operation process is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a structural schematic view of the mounting plate of the utility model;

[0016] Fig. 3 It is a structural schematic view of the pressing plate of the utility model;

[0017] In the drawing: 1, base; 2, mounting plate; 3, mounting groove; 4, clamping plate; 5, pressing plate; 6, valve seat body; 7, positioning block; 8, support plate; 9, first fixed plate; 10, second fixed plate; 11, driving shaft; 12, connecting plate; 13, screw. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3As shown in the technical scheme provided by the utility model, the three-valve-group valve seat multi-station drilling and milling tool comprises a base 1, an installation plate 2 arranged above the base 1, a plurality of installation grooves 3 formed in the upper end face of the installation plate 2, clamping plates 4 arranged at both ends of the installation plate 2, a plurality of pressing plates 5 arranged between the two clamping plates 4, and valve seat bodies 6 arranged between adjacent two pressing plates 5 and between the clamping plates 4 and the pressing plates 5.

[0020] Further, the clamping plates 4 and the pressing plates 5 are connected with the installation plate 2 through the installation grooves 3, and the clamping plates 4, the pressing plates 5 and the valve seat bodies 6 are matched with each other.

[0021] Further, positioning blocks 7 are arranged between the clamping plates 4 and the valve seat bodies 6 and between the pressing plates 5 and the valve seat bodies 6, the positioning blocks 7 are used for determining the accurate positions of the valve seat bodies 6 in space, ensuring the consistency and repeatability during machining, assembling or detecting, and the positioning blocks 7 help to realize accurate positioning by contacting specific parts of the valve seat bodies 6.

[0022] Through the above technical scheme,

[0023] During use, a plurality of installation spaces are formed between the clamping plates 4 and the pressing plates 5 and between adjacent two pressing plates 5, the valve seat bodies 6 are arranged in the installation spaces, the layout of the plurality of installation spaces is different, thereby facilitating clamping different surfaces of the valve seat bodies 6, enabling different operation surfaces of the valve seat bodies 6 to be exposed, and enabling the surfaces to be directly machined, such as drilling, milling and polishing, without frequent adjustment of the positions of workpieces or replacement of clamps, thereby avoiding multiple clamping operations on different equipment, shortening the machining cycle and reducing labor costs.

[0024] Please refer to Figs. 1-3 As shown, a support plate 8 is arranged on one side of the upper end face of the base 1, a first fixed plate 9 and a second fixed plate 10 are arranged on the support plate 8 and the base 1 respectively, and the installation plate 2 is located between the first fixed plate 9 and the second fixed plate 10.

[0025] Further, drive shafts 11 are arranged at both ends of the installation plate 2, connecting plates 12 are arranged on the outer surfaces of the two drive shafts 11, and the two connecting plates 12 are connected with the first fixed plate 9 and the second fixed plate 10 respectively.

[0026] Further, a plurality of screw holes are formed in the connecting plates 12, and screws 13 are arranged between the connecting plates 12 and the installation plate 2.

[0027] Through the above technical scheme,

[0028] In use, the screw 13 is used to mount the connecting plate 12 and the mounting plate 2, when drilling and milling the valve seat body 6, the driving shaft 11 is started, the driving shaft 11 can drive the mounting plate 2 and the valve seat body 6 to rotate, through rotating the driving shaft 11, the continuous machining of the valve seat body 6 can be realized, the time of reversing and repositioning is reduced, the production efficiency is improved, and in the rotating machining process, since the valve seat body 6 is continuously rotated, the machining force can be more evenly distributed, the deformation caused by single-point stress is reduced, the machining precision is improved, the operator can more conveniently operate the workpiece from different angles, and the operation process is simplified.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-station drilling and milling fixture for a three-valve manifold valve seat, characterized in that, include: A base (1) is provided above a mounting plate (2). Multiple mounting slots (3) are provided on the upper surface of the mounting plate (2). Clamping plates (4) are installed at both ends of the mounting plate (2). Multiple pressure plates (5) are provided between the clamping plates (4) at both ends. Valve seat bodies (6) are provided between two adjacent pressure plates (5) and between the clamping plates (4) and the pressure plates (5).

2. The multi-station drilling and milling fixture for the three-valve manifold seat according to claim 1, characterized in that: The clamping plate (4) and the pressure plate (5) are both connected to the mounting plate (2) through the mounting groove (3). The clamping plate (4) and the pressure plate (5) and the two adjacent pressure plates (5) are respectively adapted to the operating surface of the valve seat body (6).

3. The multi-station drilling and milling fixture for the three-valve manifold seat according to claim 2, characterized in that: A positioning block (7) is connected between the clamping plate (4) and the valve seat body (6) and between the pressure plate (5) and the valve seat body (6).

4. The multi-station drilling and milling fixture for the three-valve manifold seat according to claim 1, characterized in that: A support plate (8) is installed on one side of the upper surface of the base (1). A first fixing plate (9) and a second fixing plate (10) are respectively installed on the support plate (8) and the base (1), and the mounting plate (2) is located between the first fixing plate (9) and the second fixing plate (10).

5. The multi-station drilling and milling fixture for the three-valve manifold seat according to claim 4, characterized in that: Both ends of the mounting plate (2) are equipped with drive shafts (11), and both ends of the drive shafts (11) are fitted with connecting plates (12). The connecting plates (12) at both ends are respectively connected to the first fixing plate (9) and the second fixing plate (10).

6. The multi-station drilling and milling fixture for the three-valve manifold seat according to claim 5, characterized in that: The connecting plate (12) has multiple screw holes, and screws (13) are fixed between the connecting plate (12) and the mounting plate (2) through the screw holes.

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