CN114161191A

CN114161191A - Hole machining tool for control rod

Info

Publication number: CN114161191A
Application number: CN202111648897.5A
Authority: CN
Inventors: 叶少和; 孙义方; 万继升
Original assignee: Huoshan Jiayuan Intelligent Manufacturing Co ltd
Current assignee: Huoshan Jiayuan Intelligent Manufacturing Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-03-11
Anticipated expiration: 2041-12-30
Also published as: CN114161191B

Abstract

The invention discloses a hole machining tool for a control rod, which comprises a clamp bottom plate and an auxiliary plate, wherein two groups of clamping mechanisms are arranged on two side walls of the clamp bottom plate, each clamping mechanism comprises two fixed V-shaped blocks and two fixed plates, the two fixed V-shaped blocks and the two fixed plates are symmetrically arranged on the side wall of the clamp bottom plate, the inner walls of the two fixed plates are both connected with a movable V-shaped block in a sliding mode, two outer containing grooves and two inner containing grooves are symmetrically arranged on the side wall of the clamp bottom plate, and lifting mechanisms are arranged inside the outer containing grooves and the inner containing grooves. Has the advantages that: according to the invention, the reversing motor can drive the clamp bottom plate to rotate for half a circle, so that the processing surfaces on two sides of the clamp bottom plate can be exchanged, the rod to be processed, which is mounted on the other side in advance, can be directly processed, the machine does not need to be stopped for waiting for positioning and mounting of the rod, and the existence of the fan can improve the heat dissipation and impurity removal of the processing surfaces from the side in the hole processing process, so that the processing effect is improved to a certain degree.

Description

Hole machining tool for control rod

Technical Field

The invention relates to the technical field of machining, in particular to a hole machining tool for a control rod.

Background

The control rod is widely applied to various safety valves, and the machining of the mounting hole on the surface of the control rod is indispensable, so that the quality of the control rod is influenced by the machining of the mounting hole of the control rod;

when the existing equipment is used for processing holes of the control rod, alignment and positioning are carried out manually, then alignment processing is carried out, the overall positioning efficiency is low, the effect is poor, in addition, in batch processing, the positioning needs to be carried out repeatedly, in addition, in the actual dismounting and mounting process, the machine needs to be stopped for operation, the processing time is greatly delayed, and the processing efficiency is extremely low;

when the existing equipment is used for compressing and positioning the rod piece, a cushion block is usually arranged at one end of a pressing plate, the other end of the pressing plate is in contact with a part to be machined, a pressing force is applied to a workpiece by using a screw or other compression modes at a proper middle position and utilizing a lever principle, the cushion block is inevitable due to the mode, operation equipment and equipment are increased, the whole positioning, clamping and dismounting processes are very complicated, and the whole efficiency is reduced.

Disclosure of Invention

The invention aims to solve the problem of low machining efficiency in the prior art, and provides a hole machining tool for a control rod.

In order to achieve the purpose, the invention adopts the following technical scheme: a hole machining tool for a control rod comprises a clamp bottom plate and an auxiliary plate, wherein two groups of clamping mechanisms are arranged on two side walls of the clamp bottom plate and comprise two fixed V-shaped blocks and two fixed plates which are symmetrically arranged on the side wall of the clamp bottom plate, the inner walls of the two fixed plates are both connected with movable V-shaped blocks in a sliding mode, the side wall of the clamp bottom plate is provided with two outer containing grooves and two inner containing grooves which are symmetrically arranged, lifting mechanisms are arranged inside the outer containing grooves and the inner containing grooves, the side wall of the clamp bottom plate is provided with two lifting holes, the inner walls of the two lifting holes are both in threaded connection with lifting screws, the side walls of the two lifting screws are both fixed with compression plates, the side walls of the two fixed plates are both provided with pushing screws in a penetrating mode, the two pushing screws are respectively fixed with the two movable V-shaped blocks, and the end parts of the two pushing screws are both fixed with pushing motors, the bottom of anchor clamps bottom plate is fixed with the mount pad, propulsion motor is fixed with the mount pad lateral wall mutually, the both sides wall symmetry of anchor clamps bottom plate is provided with two sets of gyration change of side mechanisms, the lateral wall of accessory plate is equipped with the supplementary dismouting mechanism of multiunit.

In the above hole machining tool for a control rod, the lifting mechanism includes a lifting screw rod, a support stopper is connected to a side wall of the lifting screw rod through a screw thread, an insertion hole is formed in an end portion of the lifting screw rod, the support stopper is slidably connected to inner walls of corresponding outer and inner accommodating grooves, and the lifting screw rod is rotatably connected to inner bottoms of the corresponding outer and inner accommodating grooves.

In the hole machining tool for the control rod, the two pressing plates correspond to the two outer containing grooves and the two inner containing grooves in position, the upper end of the pressing plate corresponding to the inner containing groove is provided with two matching holes in a penetrating mode, and the two matching holes correspond to the two embedding holes in the two inner containing grooves respectively.

In foretell spot facing work frock for control lever, supplementary dismouting mechanism is including running through the mounting hole of seting up in the accessory plate lateral wall, the inner wall of mounting hole is fixed with the pushing ram, the tip of pushing ram is fixed with the installation motor, the output shaft of installation motor is fixed with the embedding pole, the embedding pole is the square pole that matches with the embedding hole shape.

In foretell spot facing work frock for control lever, gyration edging mechanism includes the mount table, the revolving chute has been seted up to the lateral wall of mount table, the inner wall of revolving chute rotates and is connected with the revolving axle, the lateral wall of revolving axle is fixed with the fixed plate, the lateral wall of fixed plate is fixed with a plurality of connecting rods, and is a plurality of the tip of connecting rod all is fixed mutually with the anchor clamps bottom plate, the draw-in groove has been seted up to the lateral wall of revolving axle, the inner wall sliding connection of draw-in groove has the fixture block, the end fixing of fixture block has the telescopic link, the end fixing of telescopic link has the switching-over motor, the switching-over motor is fixed mutually with the lateral wall of mount table, the draw-in groove is square groove, the fixture block is the square piece that matches with the draw-in groove.

In the hole machining tool for the control rod, a plurality of connecting rods and the fixing plate are jointly fixed with the reinforcing block, and two symmetrically arranged fans are fixed on the side wall of the reinforcing block.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the fixed V-shaped block and the movable V-shaped block are used in a combined manner, the influence of the self error of a part to be machined on positioning can be compensated, the operation mode is simple and efficient, the clamping and production efficiency is improved, at least two workpieces are clamped at one time, when the two workpieces are fastened by using the bolt, the two workpieces can be mutually used as a cushion block of the other workpiece, the effective clamping and fastening of the two workpieces can be smoothly completed, compared with the condition that one workpiece is clamped at one time, the clamping efficiency is improved while the quantity of the clamped workpieces is increased, after one-time tool setting is completed, the two products can be simultaneously machined by using program deviation, compared with single-time alignment of machining, the effective operation ratio of a machine tool is improved, and the machining efficiency is integrally improved;

2. according to the invention, the movability of the supporting stop block enables the equipment to adapt to the processing of the rod materials with the same size at the same position to a certain extent, the adaptability is stronger, and the position of the pressing plate can be changed due to the existence of the lifting screw rod, so that the maximum clamping degree is changed, and the adaptability of the equipment is improved;

3. according to the invention, the reversing motor can drive the clamp bottom plate to rotate for half a circle, so that the processing surfaces on two sides of the clamp bottom plate can be exchanged, the rod to be processed, which is mounted on the other side in advance, can be directly processed, the machine does not need to be stopped for waiting for positioning and mounting of the rod, and the existence of the fan can improve the heat dissipation and impurity removal of the processing surfaces from the side in the hole processing process, so that the processing effect is improved to a certain degree, secondary cleaning treatment is not needed to be carried out on the processing position, the processing steps are reduced, and the whole processing efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a hole machining tool for a control rod according to the present invention;

FIG. 2 is a side view of a hole machining tool for a control rod according to the present invention;

FIG. 3 is a schematic structural view of a bottom plate portion of a clamp in a hole machining tool for a control rod according to the present invention;

FIG. 4 is a cross-sectional view taken along direction A of FIG. 3;

FIG. 5 is a top cross-sectional view of a mounting platform portion of a hole-machining tool for a control lever according to the present invention;

fig. 6 is a schematic structural view of an auxiliary plate portion in the hole machining tool for the control rod according to the present invention;

FIG. 7 is a cross-sectional view taken along the direction B in FIG. 6;

fig. 8 is a schematic structural diagram of a supporting stop block in the hole machining tool for the control rod according to the present invention.

In the figure: the clamp comprises a clamp bottom plate 1, a fixed V-shaped block 2, a fixed plate 3, a movable V-shaped block 4, an outer containing groove 5, an inner containing groove 6, a lifting hole 7, a lifting screw 8, a pressing plate 9, a mounting seat 10, a pushing motor 11, a pushing screw 12, a lifting screw 13, an embedding hole 14, a supporting stop block 15, a matching hole 16, a mounting table 17, a fixed plate 18, a connecting rod 19, a revolving groove 20, a revolving shaft 21, a clamping groove 22, a clamping block 23, a telescopic rod 24, a reversing motor 25, a reinforcing block 26, a fan 27, an auxiliary plate 28, a mounting hole 29, a pushing rod 30, a mounting motor 31 and an embedding rod 32.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-8, a hole machining tool for a control rod comprises a clamp bottom plate 1 and an auxiliary plate 28, two sets of clamping mechanisms are arranged on two side walls of the clamp bottom plate 1, each clamping mechanism comprises two fixed V-shaped blocks 2 and two fixed plates 3 which are symmetrically arranged on the side wall of the clamp bottom plate 1, movable V-shaped blocks 4 are slidably connected on the inner walls of the two fixed plates 3, two outer accommodating grooves 5 and two inner accommodating grooves 6 which are symmetrically arranged are formed on the side wall of the clamp bottom plate 1, lifting mechanisms are arranged inside the outer accommodating grooves 5 and the inner accommodating grooves 6, two lifting holes 7 are formed on the side wall of the clamp bottom plate 1, lifting screws 8 are threadedly connected on the inner walls of the two lifting holes 7, pressing plates 9 are fixed on the side walls of the two lifting screws 8, pushing screws 12 are arranged on the side walls of the two fixed plates 3 in a penetrating manner, and the two pushing screws 12 are respectively fixed with the two movable V-shaped blocks 4, the end parts of the two propelling screws 12 are respectively fixed with a propelling motor 11, the bottom of the clamp bottom plate 1 is fixed with a mounting seat 10, the propelling motors 11 are fixed with the side wall of the mounting seat 10, two groups of rotary edge changing mechanisms are symmetrically arranged on the two side walls of the clamp bottom plate 1, and a plurality of groups of auxiliary dismounting mechanisms are arranged on the side wall of the auxiliary plate 28.

The lifting mechanism comprises a lifting screw rod 13, a supporting stop block 15 is in threaded connection with the side wall of the lifting screw rod 13, an embedding hole 14 is formed in the end part of the lifting screw rod 13, the supporting stop block 15 is in sliding connection with the corresponding inner wall of the outer accommodating groove 5 and the inner accommodating groove 6, the lifting screw rod 13 is in rotating connection with the corresponding inner bottom of the outer accommodating groove 5 and the inner accommodating groove 6, the supporting stop block 15 is limited by the outer accommodating groove 5 and the inner accommodating groove 6, and the supporting stop block 15 can move under the driving of the lifting screw rod 13 and cannot rotate.

The two pressing plates 9 correspond to the two outer accommodating grooves 5 and the two inner accommodating grooves 6 in position, two matching holes 16 are formed through the upper ends of the pressing plates 9 corresponding to the inner accommodating grooves 6, and the two matching holes 16 correspond to the two insertion holes 14 in the two inner accommodating grooves 6 respectively.

Supplementary dismouting mechanism is including running through the mounting hole 29 of seting up in the accessory plate 28 lateral wall, the inner wall of mounting hole 29 is fixed with push rod 30, the end fixing of push rod 30 has installation motor 31, the output shaft of installation motor 31 is fixed with embedding pole 32, embedding pole 32 is the square pole that matches with embedding hole 14 shape, embedding pole 32 inserts behind the embedding hole 14, the rotation of embedding pole 32 can drive the rotation of lift lead screw 13, thereby the removal of drive support dog 15, make support dog 15 can be stable with the work piece centre gripping, and the change to pressure strip 9 position can be realized in the existence of lifting screw 8, thereby change the at utmost of centre gripping, improve equipment's adaptability.

The rotary edge-changing mechanism comprises an installation table 17, a rotary groove 20 is formed in the side wall of the installation table 17, a rotary shaft 21 is rotatably connected to the inner wall of the rotary groove 20, a fixing plate 18 is fixed to the side wall of the rotary shaft 21, a plurality of connecting rods 19 are fixed to the side wall of the fixing plate 18, the end portions of the connecting rods 19 are fixed to the clamp bottom plate 1, a clamping groove 22 is formed in the side wall of the rotary shaft 21, a clamping block 23 is slidably connected to the inner wall of the clamping groove 22, an expansion link 24 is fixed to the end portion of the clamping block 23, a reversing motor 25 is fixed to the end portion of the expansion link 24, the reversing motor 25 is fixed to the side wall of the installation table 17, the clamping groove 22 is a square groove, the clamping block 23 is a square block matched with the clamping groove 22, the reversing motor 25 is stopped and self-locked, so that the rotary shaft 21 is limited after being turned over, the clamp bottom plate 1 is kept at a stable and accurate position during processing, and smooth processing is guaranteed, when the manual turning fine machining is needed, the telescopic rod 24 can be started, the clamping block 23 is enabled to leave the clamping groove 22, the limitation of the rotating shaft 21 is relieved, workers can manually perform rotation adjustment, and manual fine operation is facilitated.

A plurality of connecting rods 19 and fixed plate 18 are fixed with reinforcing block 26 jointly, and reinforcing block 26's lateral wall is fixed with two symmetrical fan 27 that set up, and the air current that produces through fan 27 realizes the cooling edulcoration to the processing position to make the subsequent processing degree of difficulty that reduces the work piece.

In the invention, during actual processing, the mounting table 17 is fixed at the processing position of a machine tool, then the auxiliary plate 28 is fixed on the placing table of the rod piece to be processed, then the rod piece to be processed is placed on the clamp bottom plate 1, the placing position corresponds to the supporting stop block 15 and is basically positioned with the fixed V-shaped block 2, then the propelling motor 11 is started to drive the propelling screw 12 to rotate, further the movable V-shaped block 4 is driven to move, further the movable V-shaped block 4 is abutted against the rod piece to be processed, the primary positioning and clamping of the rod piece to be processed are realized through the fixed V-shaped block 2 and the movable V-shaped block 4, and the positioning is convenient and accurate;

then, the pushing rod 30 is started to push the installation motor 31 and the embedding rods 32 to move, so that the embedding rods 32 are inserted into the embedding holes 14, then the installation motor 31 is started to drive the embedding rods 32 to rotate, so that the lifting screw rod 13 is driven to rotate, the supporting stop blocks 15 can move, so that the clamping bottom plate 1 protrudes out of the clamp, and then the clamping bottom plate contacts and abuts against the rod to be processed, so that the rod to be processed is pushed to move, the rod to be processed is clamped by the supporting stop blocks 15 and the pressing plate 9 together, the rod to be processed is comprehensively positioned and clamped, subsequent hole processing is facilitated, and the movability of the supporting stop blocks 15 enables the equipment to be suitable for processing rod materials with the same size and the same position to a certain degree, so that the adaptability is stronger;

after the rod piece on one side of the clamp bottom plate 1 is machined, the reversing motor 25 can be started to drive the telescopic rod 24 and the clamping block 23 to rotate, further drive the rotating shaft 21 to rotate, drive the fixing plate 18 and the connecting rod 19 to rotate, further drive the clamp bottom plate 1 to rotate, and rotate the clamp bottom plate 1 for half a circle, so that the machining surfaces on two sides of the clamp bottom plate 1 can be exchanged, and the rod piece to be machined, which is arranged on the other side in advance, can be directly machined without stopping to wait for positioning and installation of the rod piece;

the support stop block 15 can be reset by inserting and reversing the embedded rod 32, so that the clamping of the processed rod is released, the movable V-shaped block 4 is driven to reset, the processed rod can be completely released, the rod can be taken out by workers or a mechanical arm, and the subsequent rod can be installed and positioned in a matched manner, so that continuous and efficient non-stop processing is realized, and the whole processing efficiency is greatly improved;

and the existence of fan 27 can improve the heat dissipation edulcoration of machined surface from the side in the spot facing work process for the result of working obtains the promotion of certain degree, need not carry out secondary cleaning to the processing position, reduces the processing step and improves whole machining efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A hole machining tool for a control rod comprises a clamp bottom plate (1) and an auxiliary plate (28), and is characterized in that two groups of clamping mechanisms are arranged on two side walls of the clamp bottom plate (1), each clamping mechanism comprises two fixed V-shaped blocks (2) and two fixed plates (3) which are symmetrically arranged on the side wall of the clamp bottom plate (1), the inner walls of the two fixed plates (3) are respectively connected with a movable V-shaped block (4) in a sliding manner, the side wall of the clamp bottom plate (1) is provided with two outer accommodating grooves (5) and two inner accommodating grooves (6) which are symmetrically arranged, the inner parts of the outer accommodating grooves (5) and the inner accommodating grooves (6) are respectively provided with a lifting mechanism, the side wall of the clamp bottom plate (1) is provided with two lifting holes (7), the inner walls of the two lifting holes (7) are respectively connected with a lifting screw (8) in a threaded manner, and the side walls of the two lifting screws (8) are respectively fixed with a compression plate (9), two the lateral wall of fixed plate (3) all runs through and is provided with propulsion screw rod (12), two propulsion screw rod (12) are fixed mutually with two activity V-arrangement pieces (4) respectively, two the tip of propulsion screw rod (12) all is fixed with propulsion motor (11), the bottom of anchor clamps bottom plate (1) is fixed with mount pad (10), propulsion motor (11) are fixed mutually with mount pad (10) lateral wall, the both sides wall symmetry of anchor clamps bottom plate (1) is provided with two sets of gyration change limit mechanisms, the lateral wall of accessory plate (28) is equipped with the supplementary dismouting mechanism of multiunit.

2. The hole machining tool for the control rod is characterized in that the lifting mechanism comprises a lifting screw rod (13), a supporting stop block (15) is connected to the side wall of the lifting screw rod (13) in a threaded mode, an inserting hole (14) is formed in the end portion of the lifting screw rod (13), the supporting stop block (15) is connected with the inner wall of the corresponding outer containing groove (5) and the inner containing groove (6) in a sliding mode, and the lifting screw rod (13) is connected with the inner bottom portion of the corresponding outer containing groove (5) and the inner containing groove (6) in a rotating mode.

3. The tooling for drilling holes in the control lever according to claim 2, wherein the two pressing plates (9) correspond to the two outer receiving grooves (5) and the two inner receiving grooves (6) in position, two matching holes (16) are formed through the upper ends of the pressing plates (9) corresponding to the inner receiving grooves (6), and the two matching holes (16) correspond to the two insertion holes (14) in the two inner receiving grooves (6), respectively.

4. The hole machining tool for the control rod is characterized in that the auxiliary dismounting mechanism comprises a mounting hole (29) penetrating through the side wall of the auxiliary plate (28), a pushing rod (30) is fixed to the inner wall of the mounting hole (29), a mounting motor (31) is fixed to the end portion of the pushing rod (30), an embedded rod (32) is fixed to the output shaft of the mounting motor (31), and the embedded rod (32) is a square rod matched with the shape of the embedded hole (14).

5. The hole machining tool for the control rod according to claim 1, wherein the rotary trimming mechanism comprises an installation table (17), a rotary groove (20) is formed in a side wall of the installation table (17), a rotary shaft (21) is rotatably connected to an inner wall of the rotary groove (20), a fixing plate (18) is fixed to a side wall of the rotary shaft (21), a plurality of connecting rods (19) are fixed to a side wall of the fixing plate (18), end portions of the connecting rods (19) are fixed to the clamp base plate (1), a clamping groove (22) is formed in a side wall of the rotary shaft (21), a clamping block (23) is slidably connected to an inner wall of the clamping groove (22), an expansion link (24) is fixed to an end portion of the clamping block (23), a reversing motor (25) is fixed to an end portion of the expansion link (24), and the reversing motor (25) is fixed to a side wall of the installation table (17), the clamping groove (22) is a square groove, and the clamping block (23) is a square block matched with the clamping groove (22).

6. The hole machining tool for the control rod is characterized in that a reinforcing block (26) is jointly fixed to a plurality of connecting rods (19) and a fixing plate (18), and two symmetrically-arranged fans (27) are fixed to the side wall of the reinforcing block (26).