CN212420483U

CN212420483U - Numerical control vertical machining clamp for regulator shell

Info

Publication number: CN212420483U
Application number: CN202021108933.XU
Authority: CN
Inventors: 陈薪竹; 陈明君; 金永黔
Original assignee: AVIC Liyuan Hydraulic Co Ltd
Current assignee: AVIC Liyuan Hydraulic Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-29
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a numerical control adds anchor clamps immediately for regulator housing, including bottom plate (7), be equipped with centre bore (17) on bottom plate (7), one side of bottom plate (7) is equipped with third reference plane (F), the top of bottom plate (7) is equipped with first reference plane (I), be equipped with two on bottom plate (7) and push down the mechanism, be equipped with the positioning mechanism fixed with bottom plate (7) between two and push down the mechanism, be equipped with on the positioning mechanism with first reference plane (I) vertically second reference plane (J), the top of bottom plate (7) is equipped with the liftable, the cross-pressing mechanism of translation, be equipped with location conical surface (K) on the cross-pressing mechanism. The utility model has the advantages of can improve casing machining efficiency and qualification rate.

Description

Numerical control vertical machining clamp for regulator shell

Technical Field

The utility model belongs to the processing field of the casing of the regulator of variable plunger motor especially relates to a numerical control of the regulator casing of plunger pump adds anchor clamps immediately.

Background

Four side walls of the semi-finished product for processing the shell are respectively provided with a first hole, a second hole, a third hole and a fourth hole, wherein the first hole and the third hole are coaxial, and the second hole and the fourth hole are coaxial; two sides of the second hole side are provided with first concave cavities, and the first concave cavities penetrate through one end and one side wall of the semi-finished product; two sides of the fourth hole are provided with second concave cavities, and the second concave cavities penetrate through the other end and the other side wall of the semi-finished product; the depth of the first concave cavity is greater than that of the second concave cavity; the top surface of the semi-finished product is provided with a concave cambered surface. A plurality of round holes are needed to be processed on the top surface of the semi-finished product, and a plurality of strip holes are processed on the concave cambered surface.

In the conventional processing mode, a first hole, a second hole, a third hole and a fourth hole are used as references, a semi-finished product is drawn, and then the semi-finished product is fixed to a numerical control vertical processing center (numerical control vertical machining for short) to be subjected to position calibration, namely, a worker corrects a cross line on the numerical control vertical machining based on the drawn line on the semi-finished product, adjusts a program coordinate zero point, and then processes the cross line. Each semi-finished product needs to be scribed by a bench worker before being processed, scribing is time-consuming, position calibration is needed to be carried out on each scribed semi-finished product in numerical control, and time is also consumed, so that the processing efficiency of the shell is seriously reduced. Marking off and correcting all rely on the manual work to go on, and the operation is more loaded down with trivial details moreover, leads to the mistake easily to produce, can reduce the qualification rate of casing processing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control adds anchor clamps immediately for regulator casing. The utility model has the advantages of can improve casing machining efficiency and qualification rate.

The technical scheme of the utility model: the utility model provides a numerical control adds anchor clamps immediately for regulator housing, includes the bottom plate, is equipped with the centre bore on the bottom plate, and one side of bottom plate is equipped with the third reference plane, and the top of bottom plate is equipped with first reference plane, is equipped with two and pushes down the mechanism on the bottom plate, is equipped with the positioning mechanism who fixes with the bottom plate between two and pushes down the mechanism, is equipped with the second reference plane perpendicular with first reference plane on the positioning mechanism, and the top of bottom plate is equipped with liftable, the cross-pressing mechanism that can translate, is equipped with the location conical surface on the cross-pressing mechanism.

In the numerical control vertical clamping device for the regulator shell, the pressing mechanism comprises a support fixed with the bottom plate, a first positioning pin is arranged between the bottom plate and the support, the support is fixed with the bottom plate through a first screw, a supporting guide plate is arranged on the support, a horizontal clamp is arranged at the top of the supporting guide plate, and the clamp is connected with the supporting guide plate through a second screw.

In the numerical control vertical machining fixture for the regulator shell, the positioning mechanism is composed of two positioning blocks, a second positioning pin is arranged between the positioning block and the bottom plate, and the positioning block is fixed with the bottom plate through a third screw.

In the numerical control vertical clamping apparatus for the regulator housing, the transverse pressing mechanism comprises a long hole arranged on one of the support guide plates, a directional shaft perpendicular to the second reference plane is arranged in the long hole, a first cylindrical pin is arranged on the directional shaft, a directional head is arranged on the inner side end of the directional shaft, a positioning conical surface is arranged on the directional head, a spring is arranged between the directional head and the support guide plate, a knurled nut is arranged on the outer side end of the directional shaft, and the directional shaft is connected with the knurled nut through the second cylindrical pin.

In the numerical control vertical machining clamp for the regulator shell, a mistake-proofing shaft fixed with the bottom plate is arranged between the two pressing mechanisms.

Compared with the prior art, the utility model is used for semi-manufactured goods and numerical control immediately add between switching, add immediately with anchor clamps are fixed with the numerical control earlier, it is fixed with anchor clamps to process semi-manufactured goods again, fix a position this finished product through locating piece and directional axle, utilize the clamp to compress tightly semi-manufactured goods, it is accurate to make every semi-manufactured goods position on anchor clamps, the numerical control immediately adds anchor clamps and carries out the position calibration back for correcting the basis, need not carry out the position calibration to semi-manufactured goods again, semi-manufactured goods marking off process has just also been removed from, and it adds and does not need to carry out the position calibration once more to change semi-manufactured goods, the number of times of position calibration has also been reduced. Because the utility model discloses can make the semi-manufactured goods avoid marking off, and can reduce the numerical control position calibration number of times that immediately adds for the operation of casing processing is comparatively simple, is difficult to the mistake, thereby can improve the qualification rate of casing processing.

Therefore, the utility model has the advantages of can improve casing machining efficiency and qualification rate.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a cross-sectional view at B-B of fig. 1.

Fig. 4 is a plan view of the support guide plate.

Fig. 5 is a cross-sectional view at a-a of fig. 4.

Fig. 6 is a top view of the housing.

Fig. 7 is a left side view of fig. 6.

Fig. 8 is a top view of fig. 6.

Fig. 9 is a bottom view of fig. 6.

The labels in the figures are: 1-knurled nut, 2-second cylindrical pin, 3-first cylindrical pin, 4-supporting guide plate, 5-spring, 6-orientation shaft, 7-bottom plate, 8-positioning block, 9-second positioning pin, 10-third screw, 11-error-proof shaft, 12-support, 13-first positioning pin, 14-first screw, 15-second screw, 16-clamp, 17-center hole, I-first reference plane, J-second reference plane, K-positioning conical surface and F-third reference plane;

20-first hole, 21-second hole, 22-third hole, 23-fourth hole, 24-concave arc surface, 25-circular hole, 26-elongated hole, 27-first cavity, 28-second cavity.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A numerical control vertical machining fixture for a regulator shell is used for machining the shell of a regulator of a plunger pump shown in figures 6 to 9. Four side walls of the semi-finished product for processing the shell are respectively provided with a first hole 20, a second hole 21, a third hole 22 and a fourth hole 23, wherein the first hole 20 and the third hole 22 are coaxial, and the second hole 21 and the fourth hole 23 are coaxial; two sides of the second hole 21 are respectively provided with a first concave cavity 27, and the first concave cavity 27 penetrates through one end and one side wall of the semi-finished product; two sides of the fourth hole 23 are provided with a second concave cavity 28, and the second concave cavity 28 penetrates through the other end and the other side wall of the semi-finished product; the depth N of the first cavity 27 is greater than the depth M of the second cavity; the top surface of the semi-finished product has a concave arc surface 24. It is necessary to machine a plurality of circular holes 25 on the top surface of the semi-finished product and a plurality of elongated holes 26 on the concave arc surface.

The utility model provides a numerical control adds anchor clamps immediately for regulator housing, as shown in fig. 1 to 5, including bottom plate 7, be equipped with centre bore 17 on the bottom plate 7, one side of bottom plate 7 is equipped with third reference plane F, the top of bottom plate 7 is equipped with first reference plane I, be equipped with two on the bottom plate 7 and push down the mechanism, be equipped with the positioning mechanism who fixes with bottom plate 7 between two and push down the mechanism, be equipped with on the positioning mechanism with first reference plane I vertically second reference plane J, the top of bottom plate 7 is equipped with liftable, the lateral compression mechanism of translation, be equipped with location conical surface K on the lateral compression mechanism.

The pressing mechanism comprises a support 12 fixed with the bottom plate 7, a first positioning pin 13 is arranged between the bottom plate 7 and the support 12, the support 12 is fixed with the bottom plate 7 through a first screw 14, a supporting guide plate 4 is arranged on the support 12, the support 12 and the supporting guide plate 4 are of an integral structure processed by the same blank, a horizontal clamp 16 is arranged at the top of the supporting guide plate 4, and the clamp 16 is connected with the supporting guide plate 4 through a second screw 15.

The positioning mechanism is composed of two positioning blocks 8, a second positioning pin 9 is arranged between the positioning blocks 8 and the bottom plate 7, and the positioning blocks 8 are fixed with the bottom plate 7 through third screws 10.

The transverse pressing mechanism comprises a long hole arranged on one of the supporting guide plates 4, an orientation shaft 6 perpendicular to a second reference plane J is arranged in the long hole, the diameter of the orientation shaft 6 is the same as the width of the long hole, a first cylindrical pin 3 is arranged on the orientation shaft 6, the length of the first cylindrical pin 3 exceeds the width of the long hole, an orientation head is arranged on the inner side end of the orientation shaft 6, a positioning conical surface K is arranged on the orientation head, a spring 5 is arranged between the orientation head and the supporting guide plate 4, a knurled nut 1 is arranged on the outer side end of the orientation shaft 6, and the orientation shaft 6 is connected with the knurled nut 1 through a second cylindrical pin 2.

And a mistake proofing shaft 11 fixed with the bottom plate 7 is arranged between the two pressing mechanisms.

The utility model discloses fix in the numerical control immediately: the clamp is placed on a worktable of the numerical control vertical machining, the center hole 17 and the third datum plane F are used as numerical control vertical machining correction datum, and after the datum is aligned, the bottom plate 7 is fixed on the worktable by common pressing pieces (such as a pressing plate and a T-shaped screw).

The utility model discloses an use: drive directional axle 6 through annular knurl nut 1 and move to the outside, the compression of spring 5, after first cylindric lock 3 removed the outside to the support deflector 4 that corresponds, rotate annular knurl nut 1, annular knurl nut 1 drives first cylindric lock 3 through this directional axle 6 and rotates 90 backs, releases annular knurl nut 1, and spring 5's elasticity is overcome to first cylindric lock 3, makes directional axle 6 can not kick-back. The semi-finished product is placed on the first reference plane I with the lower concave arc surface facing upward, so that the bottom surfaces of the two second cavities 28 are respectively attached to the positioning blocks 8 (i.e., attached to the second reference plane J), and the second holes 21 face the orientation axis 6. And re-rotating the knurled nut 1 to enable the orientation shaft 6 to rebound, adjusting the height of the orientation shaft 6, and enabling the orientation shaft 6 to be inserted into the second hole 21 so as to enable the positioning conical surface K to be in contact with the second hole 21, thereby realizing the positioning of the semi-finished product. Then the semi-finished product is pressed on the bottom plate 7 through the clamp 16, the clamp presses 7 on the edge of the semi-finished product, a plurality of long holes 26 are machined on the concave cambered surface of the semi-finished product through numerical control vertical machining, and a circular hole 25 is machined on the top surface of the semi-finished product. The mistake-proofing shaft 11 is used for preventing a worker from carelessly horizontally rotating 180 degrees to place a semi-finished product, and when the semi-finished product is placed on the bottom plate 7 in this way, the semi-finished product and the mistake-proofing shaft 11 interfere with each other, so that the worker is reminded.

The utility model has the advantages of can improve casing machining efficiency and qualification rate.

Claims

1. The utility model provides a numerical control adds anchor clamps immediately for regulator casing which characterized in that: the novel horizontal pressing machine comprises a base plate (7), a center hole (17) is formed in the base plate (7), a third reference plane (F) is arranged on one side of the base plate (7), a first reference plane (I) is arranged at the top of the base plate (7), two pressing mechanisms are arranged on the base plate (7), a positioning mechanism fixed with the base plate (7) is arranged between the two pressing mechanisms, a second reference plane (J) perpendicular to the first reference plane (I) is arranged on the positioning mechanism, a lifting transverse pressing mechanism capable of lifting and translating is arranged above the base plate (7), and a positioning conical surface (K) is arranged on the transverse pressing mechanism.

2. The digitally controlled vertical add clamp for an adjuster housing of claim 1, wherein: the pressing mechanism comprises a support (12) fixed with a bottom plate (7), a first positioning pin (13) is arranged between the bottom plate (7) and the support (12), the support (12) is fixed with the bottom plate (7) through a first screw (14), a supporting guide plate (4) is arranged on the support (12), a horizontal clamp (16) is arranged at the top of the supporting guide plate (4), and the clamp (16) is connected with the supporting guide plate (4) through a second screw (15).

3. The digitally controlled vertical add clamp for an adjuster housing of claim 2, wherein: the positioning mechanism is composed of two positioning blocks (8), a second positioning pin (9) is arranged between the positioning blocks (8) and the bottom plate (7), and the positioning blocks (8) are fixed with the bottom plate (7) through third screws (10).

4. The digitally controlled vertical add clamp for an adjuster housing of claim 2, wherein: the transverse pressing mechanism comprises a long hole arranged on one of the supporting guide plates (4), a directional shaft (6) perpendicular to a second reference plane (J) is arranged in the long hole, a first cylindrical pin (3) is arranged on the directional shaft (6), a directional head is arranged on the inner side end of the directional shaft (6), a positioning conical surface (K) is arranged on the directional head, a spring (5) is arranged between the directional head and the supporting guide plate (4), a knurled nut (1) is arranged at the outer side end of the directional shaft (6), and the directional shaft (6) is connected with the knurled nut (1) through the second cylindrical pin (2).

5. The digitally controlled vertical add clamp for an adjuster housing of claim 1, wherein: and a mistake-proofing shaft (11) fixed with the bottom plate (7) is arranged between the two pressing mechanisms.