Clamp suitable for double-cylinder product machining

Abstract

The utility model relates to a clamp suitable for double-cylinder product machining. The clamp comprises a clamp bottom plate. Fulcrum bases are symmetrically arranged at the two ends of the clamp bottom plate; a first lever oil cylinder and a rotating oil cylinder are arranged on the clamp bottom plate and at the two ends of the fulcrum base respectively. An oil cylinder base is arranged in the middle of the clamp bottom plate; two second lever oil cylinders are symmetrically arranged in the middle of the oil cylinder base; second angular supports are movably arranged at the two ends of the oil cylinder base respectively. An oil path sequence adjusting valve is arranged on the upper side face of the clamp bottom plate. And a pressure retaining valve is arranged on one side of the clamp bottom plate. During switching, the clamp does not need to be disassembled and aligned, human factors are eliminated, the first-pass yield of products is guaranteed, waste products are eliminated, and cost is reduced; the labor intensity of personnel is reduced and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of processing fixtures, in particular to a fixture suitable for processing double-cylinder products. Background Art

[0002] A tooling fixture refers to a mechanical device used to fix and position workpieces in industrial production. It usually consists of a clamping device and a supporting device. The clamping device can tightly fix the workpiece on the workbench, and the supporting device can provide the necessary supporting force to ensure that the workpiece will not move or loosen during the processing, resulting in tool breakage and unstable processing. Due to the importance and large size of double-cylinder products, high requirements are imposed on the processing fixture during processing. Since there are various different shapes of double-cylinder products, multiple sets of fixtures are required to clamp various products during the processing of double-cylinder products in the prior art. However, the labor intensity of the personnel for switching fixtures is high, and a forklift is needed for assistance, increasing the risk factor; during the switching: the fixtures are mutually disassembled, the fixtures are re-aligned and the coordinate system is set, and the products need to be slightly adjusted and scrapped after each first-piece inspection, resulting in high costs. Summary of the Utility Model

[0003] The utility model mainly solves the technical problems such as the need for multiple sets of fixtures to process different double-cylinder products in the prior art, and proposes a fixture suitable for processing double-cylinder products. During the switching, there is no need to disassemble the fixture and align the fixture, etc., eliminating human factors, ensuring the first-pass rate of the product, eliminating waste products, and reducing costs; reducing the labor intensity of personnel and improving production efficiency.

[0004] The utility model provides a fixture suitable for processing double-cylinder products, including: a fixture bottom plate;

[0005] Two fulcrum bases are symmetrically arranged at both ends on the fixture bottom plate; a first lever oil cylinder and a rotary oil cylinder are respectively arranged at both ends of the fixture bottom plate and at both ends of the fulcrum base.

[0006] An oil cylinder base is arranged in the middle of the fixture bottom plate; two second lever oil cylinders are symmetrically arranged in the middle of the oil cylinder base; second angular supports are respectively and movably arranged at both ends of the oil cylinder base.

[0007] An oil circuit sequence regulating valve is arranged on the upper side surface of the fixture bottom plate; a pressure maintaining valve is arranged on one side of the fixture bottom plate.

[0008] Further, a limiting groove is arranged in the middle of the fulcrum base; a first angular support is movably arranged in the middle of the limiting groove.

[0009] Further, a positioning flag fulcrum is arranged at one end of the fulcrum base; the positioning flag fulcrum is located below the end of the first lever pressing plate of the first lever oil cylinder.

[0010] Further, the first angular support includes: a positioning rod, a first spring, and a limiting protrusion; the limiting protrusion is arranged on the top of the positioning rod, and the limiting protrusion can be stuck on the upper surface of the fulcrum base; a groove is arranged on the limiting protrusion; a first long hole is arranged at the lower part of the positioning rod; the first spring is sleeved on the part of the positioning rod located inside the fulcrum base.

[0011] Further, a window surface fulcrum is arranged between the oil cylinder base, the second angular support, and the second lever oil cylinder.

[0012] Further, first auxiliary support cylinders are respectively arranged at one diagonal of the oil cylinder base; second auxiliary support cylinders are respectively arranged at the other diagonal.

[0013] Further, the second angular support includes: a support block and guide rods arranged at both ends of the bottom of the support block; the second spring is sleeved on the part of the guide rod located inside the oil cylinder base; a second long hole is arranged at the lower part of the guide rod.

[0014] Compared with the prior art, a fixture applicable to the processing of double-cylinder products provided by the present utility model has the following advantages:

[0015] 1. The structure of the present utility model is simple, the operation is convenient, the labor intensity of personnel is reduced, and the production efficiency is improved;

[0016] 2. The present utility model improves the production change efficiency and saves manpower and material resources;

[0017] 3. When switching, the present utility model does not need to disassemble the fixture and align the fixture, etc., eliminating human factors, ensuring the first-pass qualification rate of products, eliminating waste products, and reducing costs; eliminating the 4 hours for disassembling and installing the fixture during production change. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a diagram of the state of clamping the product of the present utility model;

[0020] Figure 3 is a schematic structural diagram of the first angular support of the present utility model.

[0021] Figure 4 is a side view of clamping the product of the present utility model;

[0022] Figure 5 is a front view of clamping the product of the present utility model;

[0023] Reference numerals: 1, first lever oil cylinder; 2, first lever pressing plate; 3, first angular support; 4, fulcrum base; 5, rotating pressing plate; 6, rotating oil cylinder; 7, first auxiliary support cylinder; 8, oil circuit sequence regulating valve; 9, second lever pressing plate; 10, pressure maintaining valve; 11, second auxiliary support cylinder; 12, oil cylinder base; 13, second angular support; 14, window hole surface fulcrum; 15, positioning flag fulcrum; 16, fixture base plate; 17, second lever oil cylinder. Detailed implementation manner

[0024] To make the technical problems solved by the present utility model, the adopted technical solutions and the achieved technical effects clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the convenience of description, only the parts related to the present utility model are shown in the accompanying drawings, rather than all the content.

[0025] As Figures 1-5 shown, a fixture applicable to the processing of double-cylinder products provided by an embodiment of the present utility model includes: a fixture base plate 16;

[0026] The fulcrum bases 4 are symmetrically arranged at both ends of the fixture base plate 16; a limiting groove is arranged in the middle of the fulcrum base 4; the first angular support 3 is movably arranged in the middle of the limiting groove; the first angular support 3 includes: a positioning rod, a first spring and a limiting protrusion; the limiting protrusion is arranged at the top of the positioning rod, and the limiting protrusion can be stuck on the upper surface of the fulcrum base 4; a groove is arranged on the limiting protrusion for cooperating with the end of the workpiece; the part of the positioning rod located in the fulcrum base 4 is sleeved with a first spring; a vertical first long hole is arranged at the lower end of the positioning rod, a screw passes through the side wall of the fulcrum base 4 and then extends into the first long hole, and the first spring is located above the screw, so that the first angular support 3 can move up and down within the range of the first long hole, and at the same time prevent the first angular support 3 from rotating. A positioning flag fulcrum 15 is arranged at one end of the fulcrum base 4 close to the first lever oil cylinder 1; the positioning flag fulcrum 15 is located under the end of the first lever pressing plate 2 of the first lever oil cylinder 1.

[0027] The first lever oil cylinder 1 and the rotating oil cylinder 6 are respectively arranged at both ends of the fixture base plate 16 and the fulcrum base 4; two of the first lever oil cylinders 1 are located on the diagonal line of the fixture base plate 16, and two of the rotating oil cylinders 6 are located on the other diagonal line of the fixture base plate 16.

[0028] A cylinder base 12 is provided in the middle of the fixture base plate 16; two second lever cylinders 17 are symmetrically arranged in the middle of the cylinder base 12, and the end of the second lever pressing plate of the second lever cylinder faces the end of the fixture base plate 16; second angular supports 13 are movably arranged at both ends of the cylinder base 12 respectively; the second angular support 13 includes: a support block and guide rods arranged at both ends of the bottom of the support block; a second spring is sleeved on the part of the guide rod located inside the cylinder base 12; a second long slot is arranged at the lower part of the guide rod; a screw can pass through the side wall of the cylinder base 12 and then extend into the second long slot. At this time, the second spring is located above the screw, so that the second angular support can move up and down. At the same time, the cooperation between the second long slot and the screw also limits the range of movement of the second angular support.

[0029] A window hole surface fulcrum 14 is arranged between the cylinder base 12, the second angular support 13 and the second lever cylinder 17; first auxiliary support cylinders 7 are respectively arranged at one diagonal of the cylinder base 12; second auxiliary support cylinders 11 are respectively arranged at the other diagonal.

[0030] An oil circuit sequence regulating valve 8 is arranged on the upper side surface of the fixture base plate 16; a pressure maintaining valve 10 is arranged on one side of the fixture base plate 16.

[0031] The positioning flag fulcrum 15 and the window hole surface fulcrum 14 respectively include a positioning block and a reticulated surface arranged on the top of the positioning block.

[0032] The present invention belongs to the improvement of fixture compatibility and relates to the compatible processing of two products with a set of fixtures for a double-cylinder.

[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: if they modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features, the essence of the corresponding technical solutions does not deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fixture applicable to the processing of double-cylinder products, characterized in that, Comprising: Fixture base plate (16); Support bases (4) are symmetrically arranged at both ends on the fixture base plate (16); a first lever oil cylinder (1) and a rotary oil cylinder (6) are respectively arranged at both ends of the fixture base plate (16) and at both ends of the support base (4). An oil cylinder base (12) is arranged in the middle of the fixture base plate (16); two second lever oil cylinders (17) are symmetrically arranged in the middle of the oil cylinder base (12); second angular supports (13) are movably arranged at both ends of the oil cylinder base (12). An oil circuit sequence regulating valve (8) is arranged on the upper side surface of the fixture base plate (16); a pressure maintaining valve (10) is arranged on one side of the fixture base plate (16).

2. The fixture applicable to the processing of double-cylinder products according to claim 1, characterized in that, A limit groove is arranged in the middle of the support base (4); a first angular support (3) is movably arranged in the middle of the limit groove.

3. The fixture applicable to the processing of double-cylinder products according to claim 2, characterized in that, A positioning flag support point (15) is arranged at one end of the support base (4); the positioning flag support point (15) is located below the end of the first lever pressing plate (2) of the first lever oil cylinder (1).

4. The fixture applicable to the processing of double-cylinder products according to claim 3, characterized in that The first angular support (3) comprises: a positioning rod, a first spring and a limit protrusion; the limit protrusion is arranged at the top of the positioning rod, and the limit protrusion can be stuck on the upper surface of the support base (4); a groove is arranged on the limit protrusion; a first long hole is arranged at the lower part of the positioning rod; the first spring is sleeved on the part of the positioning rod located inside the support base (4).

5. The fixture applicable to the processing of double-cylinder products according to claim 1, characterized in that A window surface support point (14) is arranged between the second angular support (13) and the second lever oil cylinder (17) on the oil cylinder base (12).

6. The fixture applicable to the processing of double-cylinder products according to claim 1, characterized in that, A first auxiliary support cylinder (7) is respectively arranged at one diagonal of the oil cylinder base (12); a second auxiliary support cylinder (11) is respectively arranged at the other diagonal.

7. The fixture applicable to the processing of double-cylinder products according to claim 1, characterized in that, The second angular support (13) comprises: a support block and guide rods arranged at both ends of the bottom of the support block; the second spring is sleeved on the part of the guide rod located inside the oil cylinder base (12); a second long hole is arranged at the lower part of the guide rod.

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