CN216000064U

CN216000064U - Clamping device for machining overflow valve shell

Info

Publication number: CN216000064U
Application number: CN202122194109.1U
Authority: CN
Inventors: 徐跃康
Original assignee: Changzhou Shuohong Machinery Co ltd
Current assignee: Changzhou Shuohong Machinery Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-03-11
Anticipated expiration: 2031-09-11

Abstract

The utility model discloses a clamping device for machining an overflow valve shell, which comprises a base, wherein the base comprises an upper bottom plate, a lower bottom plate and side plates, and after the side plates are positioned between and fixed with the upper bottom plate and the lower bottom plate, accommodating cavities are formed among the upper bottom plate, the lower bottom plate and the side plates; the pressing device comprises a first pressing mechanism and a second pressing mechanism, the first pressing mechanism and the second pressing mechanism are oppositely arranged, one part of the first pressing mechanism and one part of the second pressing mechanism are located in the containing cavity, the other part of the first pressing mechanism and the other part of the second pressing mechanism are located outside the containing cavity and matched with the upper base plate, and the supporting seat is fixed on the upper base plate and located between the first pressing mechanism and the second pressing mechanism. The utility model has the advantages of can promote machining efficiency.

Description

Clamping device for machining overflow valve shell

Technical Field

The utility model relates to a clamping device of overflow valve housing processing.

Background

The overflow valve is a hydraulic pressure control valve, and mainly plays the roles of constant pressure overflow, pressure stabilization, system unloading and safety protection in hydraulic equipment. After the overflow valve is manufactured, the outer surface of the shell of the overflow valve needs to be polished to remove redundant burrs on the surface of the overflow valve, so that the overflow valve is beneficial to subsequent spraying of a protective layer.

Currently, the following problems may be encountered during the sanding process in the existing overflow valve housings: the surface of the shell is polished by a polishing machine manually, so that the polishing strength is high, the time consumption is long, and the polishing efficiency is low, so that the manufacturing period of the shell is long; can lead to the process of polishing comparatively difficult because of the unsmooth circumstances of polishing of casing surface when artifical manual polishing, the unsmooth department of probably appearing fails the condition of polishing and takes place, leads to the effect of polishing relatively poor to the production quality of overflow valve casing has been reduced. If adopt the automatic polishing of machine, then need fix a position overflow valve casing, otherwise go out the condition that causes the overflow valve casing to remove at the in-process of polishing, lead to the efficiency of polishing and the precision of overflow valve casing all to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamping device of overflow valve shell processing that can promote machining efficiency.

The clamping device for machining the overflow valve shell comprises a base, wherein the base comprises an upper bottom plate, a lower bottom plate and side plates, and after the side plates are positioned between and fixed with the upper bottom plate and the lower bottom plate, accommodating cavities are formed among the upper bottom plate, the lower bottom plate and the side plates;

the pressing device comprises a first pressing mechanism and a second pressing mechanism, the first pressing mechanism and the second pressing mechanism are oppositely arranged, one part of the first pressing mechanism and one part of the second pressing mechanism are located in the containing cavity, the other part of the first pressing mechanism and the other part of the second pressing mechanism are located outside the containing cavity and matched with the upper base plate, and the supporting seat is fixed on the upper base plate and located between the first pressing mechanism and the second pressing mechanism.

Further, the first pressing mechanism comprises a first driver, a first pressing part, a first hinged part and a first hinged seat, the power output end of the first driver is hinged to the first pressing part, the first pressing part is hinged to one end of the first hinged part, and the other end of the first hinged part is hinged to the first hinged seat.

Furthermore, the first pressing part is fork-shaped, a first hinge part hinged with the first driver is arranged in the middle of the first pressing part, and a second hinge part hinged with the first driver is further arranged in the middle of the first pressing part.

Further, the second hold-down mechanism includes the second driver, at least a set of second compresses tightly the subassembly, and the second compresses tightly the subassembly and includes that the second compresses tightly the part, the articulated part of second, the articulated seat of second, and the one end that the one end of second compressed tightly the part is articulated with the power take off end of second driver, and the middle part that the second compressed tightly the part is articulated with the one end of the articulated part of second, and the other end of the articulated part of second is articulated with the articulated seat of second.

Furthermore, the base also comprises a spacing plate positioned in the accommodating cavity, and the spacing plate is respectively fixed with the upper bottom plate and the lower bottom plate.

Further, still include and carry out spacing first positioning mechanism to overflow valve casing global, first positioning mechanism includes that first side keeps off seat, reference column, and first side keeps off the seat and fixes with upper plate or supporting seat, and the reference column is fixed on first side keeps off the seat.

Furthermore, hold-down mechanism is the multiunit, the clamping device still includes the second positioning mechanism who is located between two adjacent supporting seats, and second positioning mechanism includes that one of them overflow valve casing in two adjacent overflow valve casings forms the second side that fixes a position and keeps off the seat to another overflow valve casing in two adjacent overflow valve casings forms the locating part of location, and second side keeps off seat and upper plate or supporting seat, and the locating part is fixed with second side and keeps off the seat.

Because the height of the overflow valve shell after being horizontally placed is lower, one part of the first pressing mechanism and the second pressing mechanism is arranged in the accommodating cavity, and the other part of the first pressing mechanism and the second pressing mechanism is arranged outside the accommodating cavity, so that the distance between the first pressing mechanism and the overflow valve shell and the distance between the second pressing mechanism and the overflow valve shell can be shortened, and the first pressing mechanism and the second pressing mechanism generate axial pressing force on the overflow valve shell. After the overflow valve shell is compressed, the displacement can not occur when the overflow valve shell is acted by a grinding machine in the grinding process. Because the utility model discloses a multiunit hold-down mechanism has been configured on the clamping device, consequently once only can a plurality of overflow valve casings of clamping, can improve machining efficiency like this.

Drawings

FIG. 1 is a perspective view of a clamping device for machining an overflow valve shell;

FIG. 2 is a top view of a clamping device for machining an overflow valve shell;

FIG. 3 is a cross-sectional view of a clamping device for machining a relief valve housing;

FIG. 4 is a schematic view of a first hold-down element;

FIG. 5 is a schematic view of a second positioning mechanism;

reference numbers in the drawings:

the overflow valve comprises an overflow valve shell A, an upper bottom plate 1, a lower bottom plate 2, a side plate 3, an accommodating cavity 4, a partition plate 4a, a supporting seat 5, a first driver 6, a first pressing part 7, a first hinge part 7a, a second hinge part 7b, a first hinge part 8, a first hinge seat 9, a second driver 10, a second pressing part 11, a second hinge part 12, a second hinge seat 13, a first side blocking seat 14, a positioning column 15, a second side blocking seat 16 and a positioning part 17.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5 and the specific embodiments.

The utility model discloses a clamping device of overflow valve casing processing includes the base, the base includes upper plate 1, lower plate 2, curb plate 3 be located between upper plate 1 and the lower plate 2 and with upper plate 1 and the fixed back of lower plate 2, form between upper plate 1, lower plate 2 and the curb plate 3 and hold cavity 4.

The clamping device further comprises one or more pressing mechanisms, each pressing mechanism comprises a supporting seat 5 and a pressing device, each pressing device comprises a first pressing mechanism and a second pressing mechanism, the first pressing mechanisms and the second pressing mechanisms are oppositely arranged, one parts of the first pressing mechanisms and one parts of the second pressing mechanisms are located in the accommodating cavity 4, the other parts of the first pressing mechanisms and the second pressing mechanisms are located outside the accommodating cavity 4 and are matched with the upper base plate 1, and the supporting seats 5 are fixed on the upper base plate 1 and located between the first pressing mechanisms and the second pressing mechanisms.

Because the height of the overflow valve shell A after being laid horizontally is lower, one part of the first pressing mechanism and the second pressing mechanism is arranged in the accommodating cavity 4, and the other part of the first pressing mechanism and the second pressing mechanism is arranged outside the accommodating cavity 4, so that the distance between the first pressing mechanism and the overflow valve shell A and the distance between the second pressing mechanism and the overflow valve shell A can be shortened, and the first pressing mechanism and the second pressing mechanism generate axial pressing force on the overflow valve shell A. After the overflow valve shell A is compressed, the overflow valve shell A cannot be displaced when being acted by a grinding machine in the grinding process. Because the utility model discloses a multiunit hold-down mechanism has been configured on the clamping device, consequently once only can a plurality of overflow valve casing A of clamping, can improve machining efficiency like this.

The first pressing mechanism comprises a first driver 6, a first pressing part 7, a first hinging part 8 and a first hinging seat 9, the power output end of the first driver 6 is hinged to the first pressing part 7, the first pressing part 7 is hinged to one end of the first hinging part 8, and the other end of the first hinging part 8 is hinged to the first hinging seat 9.

In this embodiment, the first actuator 6 is a linear actuator, and the linear actuator may be an air cylinder, a hydraulic cylinder, an electric linear driving mechanism connected to a screw mechanism, or the like. The first pressing part 7 is fork-shaped, a first hinge part 7a hinged with the first driver 6 is arranged in the middle of the first pressing part 7, and a second hinge part 7b hinged with the first driver 6 is further arranged in the middle of the first pressing part 7. The first hinge part 8 may be formed of two single connecting plates, and the shape of the first hinge part 8 may be H-shaped.

The second pressing mechanism comprises a second driver 10 and at least one group of second pressing assemblies, each second pressing assembly comprises a second pressing part 11, a second hinging part 12 and a second hinging seat 13, one end of each second pressing part 11 is hinged to the power output end of the second driver 10, the middle of each second pressing part 11 is hinged to one end of each second hinging part 12, and the other end of each second hinging part 12 is hinged to the second hinging seat 13.

In this embodiment, two sides of each second pressing mechanism are respectively provided with one first pressing mechanism, preferably, two first pressing mechanisms are symmetrically arranged on two sides of one second pressing mechanism, and the number of the second pressing assemblies in each second pressing mechanism is two, so that the pressing of two overflow valve housings a can be simultaneously realized by one second pressing mechanism and two first pressing mechanisms. Therefore, the clamping efficiency can be improved and the clamping space can be saved.

The base further comprises a spacing plate 4a positioned in the accommodating cavity 4, and the spacing plate 4a is fixed with the upper bottom plate 1 and the lower bottom plate 2 respectively. The strength of the base can be increased by the isolation and support effect of the partition plate 4a on the upper base plate 1 and the lower base plate 2, and the deformation of the upper base plate 1 is avoided under the condition that the first pressing mechanism and the second pressing mechanism generate pressure.

The clamping device of this embodiment still includes to the global first positioning mechanism who carries on spacingly of overflow valve casing A, and first positioning mechanism includes that first side keeps off seat 14, reference column 15, and first side keeps off seat 14 and upper plate 1 or supporting seat 5 fixed, and reference column 15 is fixed on first side keeps off seat 14. Positioning column 15 can prevent displacement of relief valve housing a by positioning the peripheral surface of relief valve housing a.

The first side baffle seat 14 is provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are perpendicular to each other in axial direction, the positioning column 15 penetrates through the first mounting hole, a compression screw is connected in the second mounting hole, and the positioning column 15 and the first side baffle seat 14 are fixed into a whole through the locking effect of the compression screw on the positioning column 15.

The pressing mechanisms in this embodiment are multiple sets, and therefore, the clamping device further includes a second positioning mechanism located between two adjacent supporting seats 5, the second positioning mechanism includes a second side stop seat 16 for positioning one of the two adjacent overflow valve housings a, and a positioning member 17 for positioning the other of the two adjacent overflow valve housings a, the second side stop seat 16 is fixed to the upper base plate 1 or the supporting seat 5, and the positioning member 17 is fixed to the second side stop seat 16. The positioning member 17 is preferably a leaf spring.

When the overflow valve housing a is matched with the clamping device, the overflow valve housing a firstly abuts against the second side baffle seat 16, so that the overflow valve housing a is clamped between the second side baffle seat 16 and the positioning component 17 to form initial positioning. Then, the positioning column 15 abuts against the overflow valve housing a, and after the positioning column 15 is locked, the positioning column 15 positions the circumferential surface of the overflow valve housing a. And finally, starting the first pressing mechanism and the second pressing mechanism to enable the first pressing part 7 and the second pressing part 11 to respectively generate axial pressing force on the overflow valve shell A.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the technical solution, and the patent scope of the present invention is not limited; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; in addition, will the technical scheme of the utility model direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses an in the patent protection scope.

Claims

1. The clamping device for machining the overflow valve shell comprises a base and is characterized in that the base comprises an upper base plate (1), a lower base plate (2) and side plates (3), wherein after the side plates (3) are positioned between the upper base plate (1) and the lower base plate (2) and fixed with the upper base plate (1) and the lower base plate (2), accommodating cavities (4) are formed among the upper base plate (1), the lower base plate (2) and the side plates (3);

the pressing device comprises a first pressing mechanism and a second pressing mechanism, the first pressing mechanism and the second pressing mechanism are oppositely arranged, one part of the first pressing mechanism and one part of the second pressing mechanism are located in the accommodating cavity (4), the other part of the first pressing mechanism and the other part of the second pressing mechanism are located outside the accommodating cavity (4) and matched with the upper base plate (1), and the supporting base (5) is fixed on the upper base plate (1) and located between the first pressing mechanism and the second pressing mechanism.

2. The clamping device for machining the relief valve shell according to claim 1, wherein the first pressing mechanism comprises a first driver (6), a first pressing part (7), a first hinged part (8) and a first hinged seat (9), the power output end of the first driver (6) is hinged to the first pressing part (7), the first pressing part (7) is hinged to one end of the first hinged part (8), and the other end of the first hinged part (8) is hinged to the first hinged seat (9).

3. The clamping device for machining the relief valve shell according to claim 2, wherein the first pressing part (7) is fork-shaped, a first hinge portion (7a) hinged with the first driver (6) is arranged in the middle of the first pressing part (7), and a second hinge portion (7b) hinged with the first driver (6) is further arranged in the middle of the first pressing part (7).

4. The clamping device for machining the relief valve shell according to claim 1, wherein the second pressing mechanism comprises a second driver (10) and at least one group of second pressing assemblies, each second pressing assembly comprises a second pressing part (11), a second hinging part (12) and a second hinging seat (13), one end of each second pressing part (11) is hinged to the power output end of the second driver (10), the middle part of each second pressing part (11) is hinged to one end of the second hinging part (12), and the other end of each second hinging part (12) is hinged to the second hinging seat (13).

5. The clamping device for machining the relief valve shell according to any one of claims 1 to 4, characterized in that the base further comprises a spacing plate (4a) located in the accommodating cavity (4), and the spacing plate (4a) is fixed to the upper base plate (1) and the lower base plate (2) respectively.

6. The clamping device for machining the overflow valve shell according to any one of claims 1 to 4, further comprising a first positioning mechanism for limiting the peripheral surface of the overflow valve shell, wherein the first positioning mechanism comprises a first side blocking seat (14) and a positioning column (15), the first side blocking seat (14) is fixed with the upper base plate (1) or the supporting seat (5), and the positioning column (15) is fixed on the first side blocking seat (14).

7. The clamping device for machining the overflow valve shell according to any one of claims 1 to 4, wherein the pressing mechanisms are in multiple groups, the clamping device further comprises a second positioning mechanism located between two adjacent supporting seats (5), the second positioning mechanism comprises a second side stop seat (16) for forming positioning on one of the two adjacent overflow valve shells and a positioning component (17) for forming positioning on the other of the two adjacent overflow valve shells, the second side stop seat (16) is fixed with the upper base plate (1) or the supporting seats (5), and the positioning component (17) is fixed with the second side stop seat (16).