Knuckle clamp for sawing and drilling tool

Abstract

The utility model relates to a steering knuckle clamp for a sawing and drilling tool. The steering knuckle clamp comprises a clamp base, a clamp body and a limiting mechanism used for being matched with the clamp body to conduct supporting work. The clamp body comprises a profiling positioning block and pressing plates which are driven by a hydraulic oil cylinder and located on the outer side of the profiling positioning block. Based on cooperation of the hydraulic oil cylinder and the pressing plate, the proximity switch sensor is adopted to detect whether clamping and loosening of the oil cylinder are in place or not, automatic production is achieved in cooperation with a machine tool, the machining efficiency is high, actual simulation can be conducted, and the adjusting time of programs, cutters and clamps is saved; a pressing plate and a supporting matched positioning structure are adopted, so that the mounting efficiency and reliability are improved; double-station clamping is achieved through the double profiling positioning blocks, machining can be achieved through one four-axis machine tool, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a knuckle fixture for a sawing and drilling tooling. Background Art

[0002] When machining a knuckle, it is necessary to saw off the casting pouring gate and drill a hole at this position.

[0003] At present, most of the existing knuckle tooling fixtures use one sawing tooling to machine the sawing surface and another three-axis machine tool to drill holes. This processing method will increase the production cost and the processing efficiency is low.

[0004] Based on the above technical defects, it is necessary to provide a knuckle fixture that can realize sawing and drilling on one machine tool. Summary of the Invention

[0005] Technical Problems to be Solved by the Utility Model

[0006] At present, most of the existing knuckle tooling fixtures use one sawing tooling to machine the sawing surface and another three-axis machine tool to drill holes. This processing method will increase the production cost and the processing efficiency is low.

[0007] Technical Solutions for Solving the Technical Problems

[0008] Other advantageous and partially creative implementation manners and extended designs of the utility model are described in the following description.

[0009] A knuckle fixture for a sawing and drilling tooling, comprising a fixture base and a fixture body, and further provided with a limiting mechanism for supporting work in cooperation with the fixture body;

[0010] There are 2 fixture bodies, each of which includes:

[0011] A profiling positioning block, which is installed on the fixture base through an X-up base and a Y-down base;

[0012] Press plates, including a first press plate, a second press plate and a third press plate, all of which are driven by hydraulic cylinders;

[0013] The first press plate, the second press plate, the third press plate and their corresponding hydraulic cylinders are respectively located outside the profiling positioning block.

[0014] Preferably, side plates, end plates and connecting positioning plates are arranged on the outer side of the fixture base, a side cover plate is arranged on the outer wall of the side plate, and an end cover plate is arranged on the outer wall of the end plate;

[0015] A lifting ring is arranged on the fixture base, and a machine tool positioning sleeve is arranged on the end face of the connecting positioning plate.

[0016] Preferably, the oil cylinder is installed on the fixture base through an oil cylinder seat, and the end face of the pressing plate close to the profiling positioning block is engraved with reticulations;

[0017] An oil cylinder detection rod and an oil circuit block are arranged below the fixture base corresponding to the hydraulic oil cylinder.

[0018] Preferably, the limiting mechanism includes a first support, a second support, a third support and a stud pin, which are respectively arranged outside the profiling positioning block.

[0019] Preferably, the lower end face of the fixture base is provided with a first quick connector, a second quick connector and a third connector for use with the hydraulic oil cylinder. The first quick connector is an external thread two-way connector, the second quick connector is a five-way connector, and the third connector is a ferrule type taper thread right-angle pipe connector.

[0020] Preferably, the lifting rings are arranged on the fixture base in a rectangular array.

[0021] Effects of the utility model

[0022] 1. Through the cooperation of the hydraulic oil cylinder and the pressing plate, and by using a proximity switch sensor, it is detected whether the clamping and loosening of the oil cylinder are in place, and it cooperates with the machine tool to realize automated production, with high processing efficiency and the ability to conduct actual simulation, saving the adjustment time of programs, tools and fixtures;

[0023] 2. Adopting a positioning structure with the cooperation of the pressing plate and the support, the installation efficiency and reliability are improved;

[0024] 3. Through the double profiling positioning blocks, double-station clamping is realized, and processing can be achieved by using a four-axis machine tool, saving production costs. Description of the drawings

[0025] The embodiments of the present utility model will be elaborated in detail below according to the drawings. In the drawings:

[0026] Figure 1 is the top view of the working state of the present utility model;

[0027] Figure 2 is the bottom view of the present utility model;

[0028] Figure 3 is the first side view of the present utility model;

[0029] Figure 4 is the second side view of the present utility model;

[0030] Figure 5 is the structural view of the working state of the present utility model;

[0031] Figure 6 is the top view of the present utility model.

[0032] Description of the Attached Drawing Reference Numerals

[0033] 1. Fixture Base; 1-1. Hoisting Ring; 1-2. Connecting Plate; 101. Side Plate; 101-1. Side Cover Plate; 102. End Cover Plate; 102-1. End Plate; 103. Loading Prompt Sign; 104. Nameplate; 2. Connecting and Positioning Plate; 3. X-axis Upward Base; 301. Adjusting Floating Unit; 302. Adjusting Fixed Unit; 303. End Cover of Adjusting Unit; 304. Adjusting Unit Knob; 4. First Support; 4-1. Dowel Pin; 401. Second Support; 402. Third Support; 5. Y-axis Downward Base; 6. Profiling Positioning Block; 601. First Pressing Plate; 602. Second Pressing Plate; 603. Third Pressing Plate; 604. Oil Cylinder Base; 605. Oil Cylinder Detection Rod; 606. Oil Circuit Block; 7. First Sheet Metal Part; 701. Second Sheet Metal Part; 8. First Quick Connector; 801. Second Quick Connector; 802. Third Connector; 9. Machine Tool Locating Sleeve; 10. Hydraulic Cylinder. Detailed Implementation Manner

[0034] Hereinafter, with reference to the attached drawings, a knuckle fixture for a sawing and drilling tooling, which is an embodiment of the present utility model, will be described.

[0035] Please refer to Figures 1-6 As shown, a knuckle fixture for a sawing and drilling tooling includes a fixture base 1, and a fixture body is provided on the fixture base 1;

[0036] A limiting mechanism for cooperating with the fixture body for support is further provided;

[0037] Side plates 101 and end plates 102-1 are provided on the outer edge of the fixture base 1;

[0038] Specifically, side cover plates 101-1 are provided on the outer wall of the side plates 101, and end cover plates 102 are provided on the outer wall of the end plates 102-1;

[0039] A nameplate 104, a loading prompt sign 103 and a hoisting ring 1-1 are provided on the fixture base 1;

[0040] The hoisting ring 1-1 is bolted to the fixture base 1, and the number thereof is 4 and they are distributed in a rectangular array on the fixture base 1, which is convenient for installing this fixture;

[0041] Specifically, the nameplate 104 includes a zero point nameplate 104 (for positioning the fixture when installing it on the machine tool) and a fixture information nameplate 104 (for recording fixture information);

[0042] A connecting plate 1-2 is provided below the fixture base 1;

[0043] Specifically, the connecting plate 1-2 is used to enhance the anti-stress strength of the fixture base 1;

[0044] A connecting and positioning plate 2 is arranged on the outer side of the fixture base 1;

[0045] A machine tool positioning sleeve 9 is arranged on the end face of the connecting and positioning plate 2 for positioning between the fixture base 1 and the machine tool;

[0046] There are 2 fixture bodies, both located above the fixture base 1, and each fixture body includes:

[0047] A profiling positioning block 6 is installed above the fixture base 1;

[0048] An X-up base 3 and a Y-down base 5 are located between the fixture base 1 and the profiling positioning block 6;

[0049] An adjustment and fixing unit 302 is installed between the fixture base 1 and the X-up base 3 or the Y-down base 5;

[0050] An adjustment floating unit 301 is installed on the adjustment and fixing unit 302;

[0051] An adjustment unit knob 304 is installed at the end of the adjustment and fixing unit 302;

[0052] That is, the adjustment and fixing unit 302 uses a lead screw, and the adjustment floating unit 301 uses a nut seat. Based on the lead screw and nut drive principle, the adjustment of the X-up base 3 or the Y-down base 5 relative to the fixture base 1 is realized;

[0053] Specifically, an adjustment unit end cover 303 for protection is also arranged on the adjustment and fixing unit 302;

[0054] The pressing plate includes a first pressing plate 601, a second pressing plate 602 and a third pressing plate 603, and the pressing plate is driven by a hydraulic cylinder 10;

[0055] Specifically, the hydraulic cylinder 10 uses a hydraulic cylinder with an internal oil circuit having a steam inspection (using a proximity switch sensor to detect whether the clamping and loosening of the cylinder are in place). The fixture sends a signal to the machine tool to realize automated production and improve efficiency;

[0056] The first pressing plate 601, the second pressing plate 602, the third pressing plate 603 and their corresponding hydraulic cylinders 10 are respectively located outside the profiling positioning block 6;

[0057] Specifically, the hydraulic cylinders are all installed on the fixture base 1 through cylinder seats 604;

[0058] More specifically, the end face of the pressing plate close to the profiling positioning block 6 is engraved with reticulations to increase the friction between the fixture and the workpiece;

[0059] An oil cylinder detection rod 605 and an oil circuit block 606 are arranged below the fixture base 1 corresponding to the hydraulic cylinder 10;

[0060] In the working state, there are two profiling positioning blocks 6 which are arranged correspondingly, so as to achieve anti-mistake design, ensure the uniqueness of the installation of the left part and the right part, and avoid the machine tool crashing due to incorrect workpiece installation;

[0061] Regarding the limiting mechanism, it includes:

[0062] The first support 4, the second support 401, the third support 402 and the dowel pin 4-1 are arranged outside the profiling positioning block 6;

[0063] In the working state, the first support 4, the second support 401, the third support 402 and the dowel pin 4-1 cooperate with the profiling positioning block 6 to achieve three-point and one-plane support positioning;

[0064] The lower end surface of the fixture base 1 is provided with a first sheet metal part 7 and a second sheet metal part 701;

[0065] Specifically, the first sheet metal part 7 is used for detecting the stroke of clamping and releasing the oil cylinder, and the second sheet metal part 701 is used for wire routing;

[0066] The lower end surface of the fixture base 1 is provided with a first quick connector 8, a second quick connector 801 and a third connector 802 which are used in cooperation with the hydraulic cylinder 10;

[0067] Specifically, the first quick connector 8 adopts an external thread two-way connector of a certain type, the second quick connector 801 adopts a five-way connector, and the third connector 802 adopts a ferrule type taper thread right-angle pipe connector;

[0068] Anti-blocking covers are arranged at the holes and grooves of the fixture base 1 and the fixture body to prevent chips from falling in.

[0069] Normal working state

[0070] The staff assembles this fixture and the tool into the machine tool (adopting Ruilide P30-TS-03 sawing and drilling machine tool), connects them with the machine tool signals, conducts actual simulations of the machining stroke, tool-fixture interference, and flipping sheet metal interference, and uses a robot for loading and unloading (derived from the common knowledge of those skilled in the art, the signal connection method and the robot and machine tool program settings are not elaborated in detail);

[0071] The staff places the workpieces (including the left part and the right part) on the two profiling positioning blocks 6 on the fixture base 1 respectively, drives the pressing plate to clamp through the hydraulic cylinder 10, cooperates with the limiting mechanism for complete fixation, and then uses the machine tool for machining, and unloads the workpieces after machining.

[0072] Compared with the prior art, the present utility model has the following characteristics:

[0073] 1. Through the cooperation of the hydraulic cylinder 10 and the pressing plate, and by using a proximity switch sensor, it is detected whether the clamping and relaxation of the cylinder are in place, and it cooperates with the machine tool to realize automated production, with high processing efficiency and the ability to conduct actual simulations, saving the adjustment time of programs, tools, and fixtures;

[0074] 2. Adopt a positioning structure with the cooperation of the pressing plate and the support to improve the installation efficiency and reliability;

[0075] 3. Through the double profiling positioning block 6, double-station clamping is realized, and processing can be achieved by using a four-axis machine tool, saving production costs.

[0076] The utility model is not limited to the implementation mode, and various deformations can be implemented as long as its purpose is not violated.

Claims

1. A knuckle fixture for a saw-drilling tooling, comprising a fixture base (1) and a fixture body, characterized in that: A limit mechanism is also provided for cooperating with the fixture body to perform the supporting work; Two fixture bodies are provided, and each includes: A profiling positioning block (6), which is installed on the fixture base (1) through an X-up base (3) and a Y-down base (5); Pressure plates, including a first pressure plate (601), a second pressure plate (602), and a third pressure plate (603), are all driven by hydraulic cylinders (10); The first pressure plate (601), the second pressure plate (602), the third pressure plate (603), and their corresponding hydraulic cylinders (10) are respectively located outside the profiling positioning block (6).

2. The knuckle fixture for the saw-drilling tooling according to claim 1, wherein: Side plates (101), end plates (102-1), and connection positioning plates (2) are provided on the outside of the fixture base (1). A side cover plate (101-1) is provided on the outer wall of the side plate (101), and an end cover plate (102) is provided on the outer wall of the end plate (102-1); A lifting ring (1-1) is provided on the fixture base (1), and a machine tool positioning sleeve (9) is provided on the end face of the connection positioning plate (2).

3. The knuckle fixture for the saw-drilling tooling according to claim 1, wherein: The oil cylinder is installed on the fixture base (1) through an oil cylinder seat (604), and the end face of the pressure plate close to the profiling positioning block (6) is engraved with reticulations; An oil cylinder detection rod (605) and an oil circuit block (606) are provided below the fixture base (1) corresponding to the hydraulic cylinder (10).

4. The knuckle fixture for the saw-drilling tooling according to claim 1, wherein: The limit mechanism includes a first support (4), a second support (401), a third support (402), and a stud pin (4-1), which are respectively arranged outside the profiling positioning block (6).

5. The knuckle fixture for the saw drilling tooling according to claim 1, characterized in that: A first quick connector (8), a second quick connector (801), and a third connector (802) for cooperating with the hydraulic cylinder (10) are provided on the lower end face of the fixture base (1). The first quick connector (8) is an external thread two-way connector, the second quick connector (801) is a five-way connector, and the third connector (802) is a ferrule type taper thread right-angle pipe connector.

6. The knuckle fixture for the saw drilling tooling according to claim 2, wherein: The lifting rings (1-1) are distributed in a rectangular array on the fixture base (1).

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