CN219403318U - Side pressure milling flat clamp for processing valve rod - Google Patents

Abstract

The utility model discloses a side pressure milling flat clamp for processing a valve rod, which comprises: the large bottom plate, first bolt is all installed in the up end four corners of large bottom plate, the second bolt is all installed to the up end both sides middle part of large bottom plate, the top mid-mounting of large bottom plate has the anchor clamps main part, and the baffle is all installed to the upper end and the lower extreme of anchor clamps main part, and the top of baffle installs the third bolt, the up end both sides mid-mounting of anchor clamps main part has the locating piece, and all installs first pin between the baffle of locating piece and both sides, the second pin is installed at the middle part both ends of anchor clamps main part, the top surface of anchor clamps main part is provided with the jack catch, the inside through connection of anchor clamps main part has the screw rod. The clamping jaw and the limiting block are adopted to clamp shaft workpieces in a bidirectional manner, and then symmetrical milling and flattening of the outer circle are carried out, so that the positioning accuracy is improved, and meanwhile, the positions of the workpieces can be rapidly converted through the screw to carry out repeated milling and flattening.

Description

Side pressure milling flat clamp for processing valve rod

Technical Field

The utility model relates to the technical field of side pressure milling flat clamps, in particular to a side pressure milling flat clamp for machining a valve rod.

Background

At present, the milling of the valve rod flat type shaft product in the machining aspect is to machine two corresponding planes on a cylinder by a milling machine, the excircle of the shaft part is symmetrical, a dividing head or a special tool is generally adopted for singly clamping a workpiece in milling, the defect of the dividing head is that after one end is machined, the other end is machined, the second clamping is needed, the flatness is calibrated by a meter, the clamping time is long, the meter is unstable due to the fact that the precision of human factors is unstable, the qualification rate is not high, the machining time is long, and the precision in mass production is poor.

The application number is as follows: the utility model provides a milling flat device for valve rod machining, which comprises a frame, a main shaft flange, a connecting shaft and a saw blade, wherein the main shaft flange is arranged on the frame in a rotating way along the horizontal direction; the milling device further comprises a clamping part, a valve rod to be milled is placed on the clamping part, the clamping part is movably arranged on the frame through a vertical driving mechanism, and chamfering operation is performed while milling is performed by arranging chamfering cutter teeth on one side of the saw blade, so that independent chamfering procedures are reduced; two saw blades are arranged at the same time, so that two flat positions can be milled at one time, and chamfering is carried out on the flat positions, thereby further improving the production efficiency; meanwhile, the stability is higher through the vertical driving mechanism of the screw rod sliding block, and the milling precision can be ensured.

A side milling flat fixture for machining valve stems similar to the above application currently has the following disadvantages:

the valve rod is an important part of the hydraulic valve and is used for transmitting operation power, the actuating mechanism or the handle is connected, the valve core is directly driven to move or rotate below, flow and pressure in a pipeline are controlled, the valve rod is placed on the clamping part, stability of the valve rod cannot be guaranteed, and accuracy of milling and flattening can be affected.

Accordingly, in view of the above, research and improvement on the existing structure and the existing defects have been conducted, and a side pressure milling flat clamp for machining a valve rod is proposed to achieve the purpose of having more practical value.

Disclosure of Invention

The utility model aims to provide a side pressure milling flat clamp for machining a valve rod, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a side pressure milling flat clamp for machining a valve stem, comprising: the large bottom plate, first bolt is all installed in the up end four corners of large bottom plate, the second bolt is all installed to the up end both sides middle part of large bottom plate, the top mid-mounting of large bottom plate has the anchor clamps main part, and the baffle is all installed to the upper end and the lower extreme of anchor clamps main part, and the top of baffle installs the third bolt, the up end both sides mid-mounting of anchor clamps main part has the locating piece, and all installs first pin between the baffle of locating piece and both sides, the second pin is installed at the middle part both ends of anchor clamps main part, the top surface of anchor clamps main part is provided with the jack catch, the inside through connection of anchor clamps main part has the screw rod.

Preferably, the method further comprises: and a workpiece groove is formed between each pair of clamping jaws, the workpiece groove is specifically V-shaped, a workpiece to be milled and flattened is placed in the workpiece groove, two ends of the workpiece are exposed out of the workpiece groove, and limiting blocks are respectively arranged at two ends of the workpiece.

Preferably, the method further comprises the following steps: the clamping jaw is connected with the clamp body through the first pin and the second pin, a pressing block is arranged between the clamping jaw and the workpiece, the pressing block is rectangular, and screws sequentially penetrate through the clamping jaw and the pressing block and are connected with each other through the screws.

Preferably, the method further comprises the following steps: the screw is rotationally connected with threads on the clamping jaws, and the axial rotation of the screw enables each pair of clamping jaws to clamp or unclamp a workpiece.

Preferably, the method further comprises the following steps: the area of big bottom plate is greater than the area of anchor clamps main part, big bottom plate passes through first bolt and milling machine connection, the baffle passes through the third bolt and is connected with the anchor clamps main part, makes the stopper lean on the baffle.

Preferably, the method further comprises the following steps: the large bottom plate and the clamp main body are sequentially provided with positioning blocks, and are fixedly connected through the positioning blocks.

Compared with the prior art, the utility model has the beneficial effects that: the clamping jaw and the limiting block are adopted to clamp shaft workpieces in a bidirectional manner, then symmetrical milling and flattening of the outer circle is carried out, positioning accuracy is improved, meanwhile, the positions of the workpieces can be rapidly converted through the screw to be milled and flattened for multiple times, processing time is short, production efficiency is high, and the device is simple in structure and convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

fig. 4 is a schematic diagram of the internal structure of the stopper according to the present utility model.

In the figure: 1. a large bottom plate; 2. a first bolt; 3. a second bolt; 4. a clamp body; 5. a guide plate; 6. a third bolt; 7. a positioning block; 8. a first pin; 9. a second pin; 10. a claw; 11. a workpiece groove; 12. a workpiece; 13. a limiting block; 14. a screw; 15 briquetting; 16. and (5) a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a side pressure milling flat clamp for machining a valve stem, comprising: the large bottom plate 1, first bolt 2 is all installed in the up end four corners of large bottom plate 1, the bearing strength of clamp main part 4 bottom can effectively be increased to large bottom plate 1, second bolt 3 is all installed to the up end both sides middle part of large bottom plate 1, clamp main part 4 is installed to the top mid-mounting of large bottom plate 1, and baffle 5 is all installed to clamp main part 4's upper end and lower extreme, and third bolt 6 is installed to baffle 5's top, locating piece 7 is installed to clamp main part 4's up end both sides mid-mounting, and all install first pin 8 between locating piece 7 and the baffle 5 of both sides, second pin 9 is installed at clamp main part 4's middle part both ends, clamp main part 4's top surface is provided with jack catch 10, clamp main part 4's inside through connection has screw rod 14. A workpiece groove 11 is formed between each pair of clamping jaws 10, the workpiece groove 11 is specifically in a V shape, a workpiece 12 to be milled is placed in the workpiece groove 11, two ends of the workpiece 12 are exposed out of the workpiece groove 11, limiting blocks 13 are respectively arranged at two ends of the workpiece 12, the clamp body 4 is prevented from being crushed by the limiting blocks, and the structural strength of the clamp body 4 is improved. The claw 10 is connected with the clamp body 4 through the first pin 8 and the second pin 9, the pressing block 15 is arranged between the claw 10 and the workpiece 12, the pressing block 15 can effectively protect the structure of the workpiece groove 11 from being crushed, a good buffer effect is achieved, the pressing block 15 is rectangular, and the claw 10 and the pressing block 15 are sequentially internally penetrated by the screw 16 and are connected with each other through the screw 16. The screw 14 is rotationally connected with the threads on the clamping jaws 10, and the axial rotation of the screw 14 enables each pair of clamping jaws 10 to clamp or unclamp the workpiece 12, so that the workpiece 12 can be quickly disassembled and commutated when a user mills the workpiece. The area of the large bottom plate 1 is larger than that of the clamp main body 4, the large bottom plate 1 is connected with a milling machine through the first bolt 2, the guide plate 5 is connected with the clamp main body 4 through the third bolt 6, the limiting block 13 is made to lean against the guide plate 5, and the rotation and vibration generated by the workpiece 12 during milling are limited. The large bottom plate 1 and the clamp main body 4 are sequentially provided with positioning blocks 7, and are fixedly connected through the positioning blocks 7.

Working principle: when the device is used, two ends of two workpieces 12 are sequentially arranged in the limiting block 13, then the two workpieces 12 with the limiting block 13 are placed in the V-shaped workpiece groove 11, then the screw 14 is rotated to clamp the two workpieces 12 simultaneously, and then the milling machine is started to mill the first flat of the workpieces 12; after the machining is finished, rotating the two workpieces 12 with the limiting blocks 13 by 180 degrees along the axial direction, clamping the rotating screw 14, and starting a second flat; after the machining is finished, the left end and the right end of the two workpieces 12 with the limiting blocks 13 are turned 180 degrees, the screw 14 is rotated to clamp, and then the milling machine is started to mill a third flat; after the machining is finished, the two workpieces 12 with the limiting blocks 13 are axially rotated for 180 degrees, the screw 14 is rotated to clamp, the milling machine is started to mill the fourth flat, and the limiting blocks 13 are always arranged on the workpieces 12 in the whole machining process.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a side pressure milling flat fixture for processing valve rod, its characterized in that, including big bottom plate (1), first bolt (2) are all installed in the up end four corners of big bottom plate (1), second bolt (3) are all installed in the up end both sides middle part of big bottom plate (1), clamp body (4) are installed to the top mid-mounting of big bottom plate (1), and baffle (5) are all installed to the upper end and the lower extreme of clamp body (4), and third bolt (6) are installed to the top of baffle (5), locating piece (7) are installed to the up end both sides mid-mounting of clamp body (4), and all install first pin (8) between baffle (5) of locating piece (7) and both sides, second pin (9) are installed at the middle part both ends of clamp body (4), the top surface of clamp body (4) is provided with jack catch (10), the inside through connection of clamp body (4) has screw rod (14).

2. The side pressure milling flat clamp for machining a valve rod according to claim 1, wherein a workpiece groove (11) is formed between each pair of clamping jaws (10), the workpiece groove (11) is specifically in a V shape, a workpiece (12) to be milled flat is placed in the workpiece groove (11), two ends of the workpiece (12) are exposed out of the workpiece groove (11), and limiting blocks (13) are respectively arranged at two ends of the workpiece (12).

3. The side pressure milling flat clamp for machining a valve rod according to claim 2, wherein the clamping jaw (10) is connected with the clamp main body (4) through a first pin (8) and a second pin (9), a pressing block (15) is arranged between the clamping jaw (10) and a workpiece (12), the pressing block (15) is particularly rectangular, and screws (16) sequentially penetrate through the clamping jaw (10) and the pressing block (15) and are connected with each other through the screws (16).

4. A side milling clamp for machining valve stems according to claim 3, characterized in that the screw (14) is in rotational connection with the threads on the jaws (10), the axial rotation of the screw (14) causing each pair of jaws (10) to clamp or unclamp a workpiece (12).

5. The side pressure milling flat clamp for machining a valve rod according to claim 4, wherein the area of the large bottom plate (1) is larger than that of the clamp main body (4), the large bottom plate (1) is connected with a milling machine through a first bolt (2), and the guide plate (5) is connected with the clamp main body (4) through a third bolt (6) so that a limiting block (13) is abutted against the guide plate (5).

6. The side pressure milling flat clamp for machining a valve rod according to claim 5, wherein the large bottom plate (1) and the clamp main body (4) are sequentially provided with positioning blocks (7) and are fixedly connected through the positioning blocks (7).