Multi-station drilling and milling tool for valve seat of stop valve

Abstract

The utility model belongs to the technical field of stop valve seat drilling and milling, and particularly relates to a stop valve seat multi-station drilling and milling tool which comprises a plurality of valve seats and an equipment body with a drilling and milling area, a rotatable mounting table is transversely arranged in the drilling and milling area, a detachable clamp is arranged on the mounting table, and the drilling and milling area is provided with a plurality of valve seats. A clamping mechanism for clamping the side wall of the valve seat is arranged on the side, away from the mounting table, of the clamp, and an end face drilling and milling position and a side face drilling and milling position are sequentially formed on the end face and the side wall of the valve seat. The valve seat in the clamping bin can be rotated and adjusted conveniently, so that an end face drilling and milling position and a side face drilling and milling position on the valve seat can be sequentially located in a drilling and milling area, the valve seat can be conveniently subjected to drilling and milling position machining for multiple times in the sequential clamping process, the machining procedure of the valve seat is simplified, and multi-station machining can be carried out by the equipment at the same time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of stop valve seat drilling and milling, and particularly relates to a stop valve seat multi-station drilling and milling tool. BACKGROUND

[0002] The structural components of the stop valve include a valve rod, a valve flap, a valve seat, a valve cylinder, a valve cover, a piston ring, a flange, a valve seat washer, and a brake.

[0003] The valve seat needs to be drilled and milled on the end face for end face sealing and drilled and milled on the side face for installation hole drilling during processing. The existing drilling and milling tool can only drill and mill a single valve seat, and needs to clamp and unclamp the valve seat multiple times during drilling and milling on the end face and the side face, which is low in efficiency, time-consuming, and greatly reduces the practicability of the equipment. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a stop valve seat multi-station drilling and milling tool to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an A-type stop valve seat multi-station drilling and milling tool, comprising: a plurality of valve seats and an equipment body with a drilling and milling area, a rotatable mounting table is horizontally arranged in the drilling and milling area, a detachable clamp is arranged on the mounting table, a clamping mechanism for clamping the side wall of the valve seat is arranged on the side of the clamp away from the mounting table, an end face drilling and milling position and a side face drilling and milling position are sequentially formed on the end face and the side wall of the valve seat, and the end face drilling and milling position and the side face drilling and milling position of the plurality of valve seats are sequentially rotated into the drilling and milling area based on rotation.

[0006] Preferably, a plurality of clamping warehouses for accommodating valve seats are formed in the radial direction of the clamp, the plurality of clamping warehouses are equidistantly distributed in the axial direction of the clamp, each clamping mechanism is arranged between two adjacent clamping warehouses, and each clamping mechanism is used for limiting two adjacent valve seats in the clamping warehouse.

[0007] Preferably, each clamping mechanism comprises a T-shaped clamping block of T-shaped structure, a first fixing bolt extending into the clamp is arranged through the upper portion of the T-shaped clamping block, a drilling groove is formed through the end portions on the two sides of the T-shaped clamping block, and each side face drilling and milling position is aligned with the drilling groove.

[0008] Preferably, a plurality of positioning arms are further arranged on the side wall of the clamp, a fourth fixing bolt connected with the clamp is arranged on each positioning arm, the other end of each positioning arm extends to the end portion of each clamping warehouse, and the end of each clamping seat away from the drilling end abuts against the positioning arm.

[0009] Preferably, the opposite sides of the clamp and the mounting table are sequentially provided with a plurality of first positioning grooves and second positioning grooves abutting each other, a threaded hole is formed in each of the second positioning grooves, and a plurality of second fixing bolts extending into the corresponding threaded holes are arranged on the side of the clamp away from the mounting table.

[0010] Preferably, the device body comprises a machine tool, and a rotary drive motor and a rotary support frame symmetrically arranged on the machine tool, opposite ends of the rotary drive motor and the rotary support frame are provided with rotary turntables, the two turntables are arranged at two ends of the mounting table respectively, and a third fixing bolt for connection is arranged between each of the two turntables and the mounting table.

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

[0012] (1) The utility model discloses a mounting table, a clamp and a clamping mechanism can be rotated, when the mounting table rotates, the valve seat in the clamping chamber can be adjusted, so that the end face drilling and milling position and the side face drilling and milling position on the valve seat are in the drilling and milling area in turn, and the valve seat can be processed in multiple drilling and milling positions during the clamping process, the valve seat processing procedure is simplified, and the device can be processed in multiple positions at the same time.

[0013] (2) The utility model discloses a plurality of clamping chambers arranged on the clamp, so that the clamp can process multiple valve seats in turn, improving the efficiency of the device. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model;

[0015] Figure 2 It is a partial exploded view of the utility model;

[0016] Figure 3 It is a front view of the clamp, the mounting table and the T-shaped clamping block of the utility model;

[0017] Figure 4 It is a cooperation schematic view of the T-shaped clamping block, the first fixing bolt and the clamp of the utility model;

[0018] Figure 5 It is a cooperation schematic view of the clamp, the mounting table and the second fixing bolt of the utility model;

[0019] In the drawing: 1, machine tool; 2, turntable; 3, rotary drive motor; 4, positioning arm; 5, first fixing bolt; 6, drilling groove; 7, second fixing bolt; 8, T-shaped clamping block; 9, rotary support frame; 10, clamping chamber; 11, clamp; 12, first positioning groove; 13, second positioning groove; 14, mounting table; 15, third fixing bolt; 16, threaded hole; 17, fourth fixing bolt. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection 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 the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Reference Figures 1-2 As shown in the utility model provides a stop valve seat multi-station drilling and milling tool, it includes: multiple valve seats and the equipment body with drilling and milling area, the drilling and milling area is horizontally provided with rotatable mounting table 14, the mounting table 14 is provided with detachable clamp 11, the side of clamp 11 away from the mounting table 14 is provided with the clamping mechanism for clamping the side wall of valve seat, the end face and the side wall of valve seat are sequentially formed with end face drilling and milling position and side face drilling and milling position, based on rotation makes the end face drilling and milling position and side face drilling and milling position of multiple valve seats sequentially rotate into the drilling and milling area.

[0022] In combination Figures 2-3 As shown in the utility model, multiple clamping warehouses 10 for accommodating valve seats are opened along the radial direction on clamp 11, multiple clamping warehouses 10 are equidistantly distributed in the axial direction of clamp 11, each clamping mechanism is arranged between adjacent two clamping warehouses 10, and each clamping mechanism is used for limiting adjacent two valve seats in clamping warehouse 10.

[0023] The above, using the equipment body, mounting table 14, clamp 11 and clamping mechanism provided by the utility model, the clamping mechanism is provided with multiple, each clamping mechanism is arranged between adjacent two clamping warehouses 10, after placing valve seat in clamping warehouse 10, adjacent two valve seats can be synchronously clamped in corresponding clamping warehouse 10 by clamping mechanism, when rotating mounting table 14, clamp 11 can be rotated in the drilling and milling area, so that the end face or side face of valve seat sequentially passes through the machining plane of milling cutter processing, the end face and side face of valve seat can be end face drilling and milling and side face drilling and milling by milling cutter, realizing that the equipment carries out multi-station drilling and milling processing to valve seat.

[0024] Further, in order to facilitate the replacement and maintenance of clamp 11, referring to Figure 5As shown, the opposite side of the clamp 11 and the mounting table 14 is sequentially provided with a plurality of first positioning grooves 12 and second positioning grooves 13 abutting each other, and a threaded hole 16 is formed in each second positioning groove 13, and a plurality of second fixing bolts 7 are arranged on the side of the clamp 11 away from the mounting table 14 and extend into the corresponding threaded holes 16. The clamp 11 can be positioned and placed on the mounting table 14 through the first positioning grooves 12 and the second positioning grooves 13, and the clamp 11 can be detachably mounted on the mounting table 14 when the second fixing bolts 7 are screwed between the clamp 11 and the threaded holes 16, and the clamp 11 can be replaced or repaired after the second fixing bolts 7 are removed.

[0025] Further, in order to facilitate the driving of the mounting table 14 to rotate laterally, referring to Figure 2 As shown, the device body comprises a machine tool 1 and a rotary drive motor 3 and a rotary support frame 9 symmetrically arranged on the machine tool 1, and the opposite ends of the rotary drive motor 3 and the rotary support frame 9 are provided with rotary turntables 2, and the two turntables 2 are arranged at the two ends of the mounting table 14 and are provided with third fixing bolts 15 for connection between the two turntables 2 and the mounting table 14. The machine tool 1 provides a mounting position for the rotary drive motor 3 and the rotary support frame 9, one of the two turntables 2 is mounted on the output end of the rotary drive motor 3, and the other turntable 2 is rotatably arranged on the rotary support frame 9. By starting the rotary drive motor 3, the mounting table 14 can be driven to rotate in the drilling and milling area, so that the end face or the side face of the valve seat is on the machining plane of the milling cutter, facilitating the device to drill and mill the end face and the side face of the valve seat.

[0026] In the utility model, in combination Figures 3-4 As shown, each clamping mechanism of the embodiment comprises a T-shaped clamping block 8 of T-shaped structure, a first fixing bolt 5 extending into the clamp 11 is arranged above the T-shaped clamping block 8, and a drilling groove 6 is arranged through the end portions on the two sides of the T-shaped clamping block 8, and each side drilling and milling position is aligned with the drilling groove 6.

[0027] As described above, when the valve seat is in the clamping bin 10, the first fixing bolt 5 on the T-shaped clamping block 8 is tightened, so that the T-shaped clamping block 8 is fixed on the clamp 11, and the end portions on the two sides of the T-shaped clamping block 8 abut on the outer wall of the valve seat respectively, so that the valve seat is limited in the clamping bin 10, and the side wall of the valve seat can be drilled and milled through the drilling groove 6, and the end face of the valve seat can be drilled and milled.

[0028] In the utility model, in combination Figures 1-2As shown, the side wall of the clamp 11 of the embodiment is further provided with a plurality of positioning arms 4, each of which is provided with a fourth fixing bolt 17 connected with the clamp 11, and the other end of each positioning arm 4 extends to the end of each clamping chamber 10, and one end of each clamping seat away from the drilling and milling end abuts against the positioning arm 4.

[0029] In the above, the positioning arm 4 provided by the utility model is used, the positioning arm 4 is installed outside the end of the clamping chamber 10 through the fourth fixing bolt 17, at this time, the valve seat in the clamping chamber 10 is allowed to abut against the positioning arm 4, so that the position of the valve seat in the clamping chamber 10 can be positioned, and the side drilling and milling position on the valve seat is allowed to be in the drilling groove 6, so that the end face drilling and milling position and the side drilling and milling position on the valve seat are facilitated to be positioned.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those 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 utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-station drilling and milling tool for a valve seat of a stop valve, characterized in that, The utility model relates to a valve seat drilling and milling device, which comprises: a plurality of valve seats and a device body with a drilling and milling area, a rotatable mounting table (14) is arranged in the drilling and milling area in a transverse manner, a detachable clamp (11) is arranged on the mounting table (14), a clamping mechanism for clamping the side wall of the valve seat is arranged on the side of the clamp (11) away from the mounting table (14), an end face drilling and milling position and a side face drilling and milling position are sequentially formed on the end face and the side wall of the valve seat, and the end face drilling and milling position and the side face drilling and milling position of the plurality of valve seats are sequentially rotated into the drilling and milling area based on rotation.

2. The multi-station drilling and milling tooling for valve seats of stop valves according to claim 1, characterized in that: A plurality of clamping warehouses (10) for accommodating the valve seats are formed in the radial direction of the clamp (11), the plurality of clamping warehouses (10) are equidistantly distributed in the axial direction of the clamp (11), each clamping mechanism is arranged between two adjacent clamping warehouses (10), and each clamping mechanism is used for limiting two adjacent valve seats in the clamping warehouse (10).

3. The multi-station drilling and milling tooling for valve seats of stop valves according to claim 1, characterized in that: Each clamping mechanism comprises a T-shaped clamping block (8) in a T-shaped structure, a first fixing bolt (5) extending into the clamp (11) is arranged through the upper portion of the T-shaped clamping block (8), a drilling groove (6) is formed through the end portions on the two sides of the T-shaped clamping block (8), and each side face drilling and milling position is aligned with the drilling groove (6).

4. The multi-station drilling and milling tooling for valve seats of stop valves according to claim 2, characterized in that: A plurality of positioning arms (4) are further arranged on the side wall of the clamp (11), a fourth fixing bolt (17) connected with the clamp (11) is arranged on each positioning arm (4), and the other end of each positioning arm (4) extends to the end portion of each clamping warehouse (10).

5. The multi-station drilling and milling tooling for valve seats of stop valves according to claim 1, characterized in that: A plurality of first positioning grooves (12) and second positioning grooves (13) abutting each other are sequentially formed on the opposite side of the clamp (11) and the mounting table (14), a threaded hole (16) is formed in each second positioning groove (13), a plurality of second fixing bolts (7) extending into the corresponding threaded holes (16) are arranged on the side of the clamp (11) away from the mounting table (14).

6. The multi-station drilling and milling tooling for valve seats of stop valves according to claim 1, characterized in that: The device body comprises a machine tool (1) and a rotary drive motor (3) and a rotary support frame (9) symmetrically arranged on the machine tool (1), a rotating disc (2) for rotation is arranged at the opposite end of the rotary drive motor (3) and the rotary support frame (9), the two rotating discs (2) are arranged at the two ends of the mounting table (14), and a third fixing bolt (15) for connection is arranged between the two rotating discs (2) and the mounting table (14).

Images