Automatic hydraulic clamp for auxiliary frame production

Abstract

The utility model relates to an automatic hydraulic clamp for auxiliary frame production, which comprises a base provided with a main clamp, an auxiliary clamp, a support component and a gas detection component. Each main clamp comprises a main mounting seat, a main oil cylinder, a main push rod and a main clamping jaw; each auxiliary clamp comprises an auxiliary installation base, an auxiliary oil cylinder, an auxiliary push rod and an auxiliary clamping jaw. On the basis of reverse placement of the clamping oil cylinders, the position distribution of the oil cylinders is more reasonable, sufficient moving space is reserved for the manipulator, and automatic workpiece loading and unloading can be carried out; the tool clamp can be suitable for different machine tools, and three similar auxiliary frame workpieces can be machined through the tool clamp by detecting the compatibility of the workpieces. Automatic production is achieved, the labor cost is saved, the production efficiency is improved, and the cost for producing multiple sets of special clamps is saved.

Description

Technical Field

[0001] The utility model relates to the field of tooling fixtures, in particular to an automatic hydraulic fixture for subframe production. Background Art

[0002] Most of the existing tooling fixtures are fixed-type machine tools for machining one kind of workpiece, and manual operation is required to load and unload the workpiece.

[0003] The above-mentioned tooling fixtures have low machining efficiency and are inconvenient for workers to use.

[0004] In order to solve the above technical defects, it is necessary to provide a tooling fixture that can automatically load and unload workpieces through a manipulator. Through the compatible design of the machine tool interface, workpieces can be machined on multiple machine tools (NT, Lichi, Doosan machine tools), and other similar subframe workpieces can be machined by this fixture. Summary of the Invention

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

[0006] At present, during the use of the tooling fixture, manual operation is required to load and unload workpieces, resulting in low efficiency and inconvenience in use.

[0007] Technical Solutions for Solving the Technical Problems

[0008] Other advantageous and partially inventive embodiments and extended designs of the utility model are described in the following description.

[0009] An automatic hydraulic fixture for subframe production includes a base, on which a main fixture, a sub-fixture, a support assembly and an air inspection assembly are provided;

[0010] The main fixture is provided with at least 3, including:

[0011] A main mounting seat, bolt-assembled on the base;

[0012] A main oil cylinder, installed on the main mounting seat, with a main push rod at its output end, and a main jaw is installed at the free end of the main push rod;

[0013] The sub-fixture is provided with at least 2, including:

[0014] A sub-mounting seat, bolt-assembled on the base;

[0015] A sub-oil cylinder, installed on the sub-mounting seat, with a sub-push rod at its output end, and a sub-jaw is installed at the free end of the sub-push rod.

[0016] Preferably, a nameplate, a zero-point positioning column and a lifting hook are provided on the base;

[0017] The nameplate includes a fixture information plate, a workpiece loading prompt plate, and a processing flow prompt plate.

[0018] Preferably, a main connecting plate is rotatably arranged on one side of the rotating connection between the main jaw and the main push rod. The end of the main connecting plate is rotatably connected to a main connecting seat, and the main connecting seat is fixedly installed on the main mounting seat.

[0019] A sub - connecting plate is rotatably arranged on one side of the rotating connection between the sub - jaw and the sub - push rod. The end of the sub - connecting plate is rotatably connected to a sub - connecting seat, and the sub - connecting seat is fixedly installed on the sub - mounting seat.

[0020] Preferably, the air inspection assembly includes:

[0021] A main extension pin is arranged on the extension line of the rotating connection axis of the main connecting plate and the main connecting seat, and is fixedly connected to the main connecting plate.

[0022] An air inspection seat is fixed on one side of the main mounting seat, and an air inspection core pointing to the main extension pin is arranged at its output end.

[0023] Preferably, the air inspection assembly includes:

[0024] A sub - extension pin is arranged on the extension line of the rotating connection axis of the sub - connecting plate and the sub - connecting seat, and is fixedly connected to the sub - connecting plate.

[0025] An air inspection seat is fixed on one side of the sub - mounting seat, and an air inspection core pointing to the sub - extension pin is arranged at its output end.

[0026] Preferably, the air inspection assembly includes:

[0027] A workpiece loading air inspection support is installed on one side of one of the main mounting seats, and a workpiece loading air inspection rod is arranged at its output end.

[0028] Preferably, the sub - jaw included in one of the sub - fixtures is set as a rotating jaw and is controlled by a rotating oil cylinder.

[0029] Preferably, the support assembly includes:

[0030] A support oil cylinder is bolt - assembled on the base, and a support rod is arranged at its output end.

[0031] The number of the support oil cylinders and the support rods are both set to be several.

[0032] Preferably, the support assembly includes:

[0033] A support seat is installed on the main mounting seat or the sub - mounting seat, and its output end points to the workpiece to be processed.

[0034] The support positioning pin is installed on the side of the support base close to the workpiece to be machined;

[0035] The relative movement between the support positioning pin and the support base is realized by an oil cylinder.

[0036] Effects of the utility model

[0037] 1. Place the clamping oil cylinder in the reverse direction, the distribution of the oil cylinder positions is more reasonable, leaving sufficient space for the manipulator to move, and enabling automatic loading and unloading;

[0038] 2. This fixture can be applied to different machine tools, and by detecting the compatibility of the workpieces, it is realized that three similar subframe workpieces can all be machined using this fixture.

[0039] 3. Realize automated production, save labor costs, improve production efficiency, and save the cost of producing multiple sets of special fixtures. Description of the drawings

[0040] The following elaborates on the embodiments of the present utility model in detail according to the drawings. In the drawings:

[0041] Figure 1 is the schematic diagram of the first working state of the present utility model;

[0042] Figure 2 is the schematic diagram of the second working state of the present utility model;

[0043] Figure 3 is the first structural view of the present utility model;

[0044] Figure 4 is the second structural view of the present utility model;

[0045] Figure 5 is the first structural view of the present utility model with the main fixture hidden;

[0046] Figure 6 is the second structural view of the present utility model with the main fixture hidden;

[0047] Figure 7 is the first structural view of the main fixture included in the present utility model;

[0048] Figure 8 is the second structural view of the main fixture included in the present utility model;

[0049] Figure 9 is the third structural view of the main fixture included in the present utility model;

[0050] Figure 10 is the fourth structural view of the main fixture included in the present utility model;

[0051] Figure 11It is the fifth structural view of the main fixture included in the present utility model;

[0052] Figure 12 It is the above Figure 6 Partial enlarged view of "A" in it.

[0053] Explanation of reference numerals

[0054] 1. Base; 101. Zero-point positioning column; 102. Protective cover; 103. Nameplate; 104. Hook; 2. Main mounting seat; 201. Main oil cylinder; 201-1. Main push rod; 202. Main jaw; 202-1. Main connecting seat; 202-2. Main connecting plate; 203. Main extension pin; 3. Sub-mounting seat; 301. Sub-oil cylinder; 301-1. Sub-push rod; 302. Sub-jaw; 302-1. Sub-connecting seat; 302-2. Sub-connecting plate; 303. Sub-extension pin; 4. Air inspection seat; 401. Air inspection core; 5. Support oil cylinder; 501. Support rod; 6. Support seat; 601. Support positioning pin; 7. Upper part air inspection support seat; 701. Upper part air inspection rod. Detailed implementation manners

[0055] Hereinafter, an automatic hydraulic fixture for subframe production, which is an embodiment of the present utility model, will be described with reference to the accompanying drawings.

[0056] Please refer to Figures 1 - 12 As shown, an automatic hydraulic fixture for subframe production includes a base 1, and a main fixture, a sub-fixture, a support assembly and an air inspection assembly are arranged on the base 1;

[0057] The main fixture and the sub-fixture are used for clamping the subframe, the support assembly is used to cooperate with the main fixture and the sub-fixture for clamping, and the air inspection assembly is used to detect whether the main fixture and the sub-fixture are clamped in place;

[0058] Regarding the base 1, the main fixture, the sub-fixture, the support assembly and the air inspection assembly are all installed on the base 1;

[0059] A nameplate 103, a zero-point positioning column 101 and a hook 104 are arranged on the base 1;

[0060] Specifically, the zero-point positioning column 101 is used to realize the tool setting between the base 1 and the machine tool, and the nameplate 103 includes a fixture information plate, an upper part prompt plate and a processing flow prompt plate;

[0061] More specifically, the hook 104 is used to facilitate the hoisting of the base 1, and the processing flow prompt plate marks: Action sequence: Air inspection always open, 1. Loading; 2. Positioning pin extending; 3. Main clamping; 4. Linear cylinder rising, auxiliary support clamping; 5. Auxiliary pressure clamping; 6. Processing after normal air inspection; 7. After processing is completed, all are relaxed; 8. Linear cylinder descending; 9. Positioning pin retracting; 10. Unloading; 11. Blowing and cleaning;

[0062] Regarding the main fixture, the quantity is set to at least 3, installed on the base 1, and installed according to the shape and structure of the workpiece to be processed, including:

[0063] The main mounting seat 2, used as a load-bearing part, is bolted to the base 1 and is used to carry the parts included in the main fixture;

[0064] The main oil cylinder 201 is installed on the main mounting seat 2, and a main push rod 201-1 is provided at its output end;

[0065] Specifically, the output end of the main oil cylinder 201 points to the workpiece to be processed and the base 1;

[0066] The main jaw 202 is rotatably installed at the free end of the main push rod 201-1;

[0067] Specifically, a main connecting plate 202-2 is also rotatably provided on one side of the rotational connection between the main jaw 202 and the main push rod 201-1. The end of the main connecting plate 202-2 is rotatably connected to the main connecting seat 202-1, and the main connecting seat 202-1 is fixedly installed on the main mounting seat 2;

[0068] That is, during use, the main jaw 202 is rotatably connected to the main mounting seat 2, and the main oil cylinder 201 controls the rotation angle between the main jaw 202 and the main mounting seat 2 through the main push rod 201-1, so as to realize the clamping of the workpiece to be processed;

[0069] Regarding the sub-fixture, the quantity is set to at least 2, installed on the base 1, and installed according to the shape and structure of the workpiece to be processed, including:

[0070] The sub-mounting seat 3, used as a load-bearing part, is bolted to the base 1 and is used to carry the parts included in the sub-fixture;

[0071] The sub-oil cylinder 301 is installed on the sub-mounting seat 3, and a sub-push rod 301-1 is provided at its output end;

[0072] Specifically, the output end of the sub-oil cylinder 301 points to the workpiece to be processed and the base 1;

[0073] The sub-jaw 302 is rotatably installed at the free end of the sub-push rod 301-1;

[0074] Specifically, a sub-connecting plate 302-2 is also rotatably provided on one side of the rotational connection between the sub-jaw 302 and the sub-push rod 301-1. The end of the sub-connecting plate 302-2 is rotatably connected to the sub-connecting seat 302-1, and the sub-connecting seat 302-1 is fixedly installed on the sub-mounting seat 3;

[0075] That is, during use, the secondary jaw 302 is rotatably connected to the secondary mounting base 3, and the secondary oil cylinder 301 controls the rotation angle between the secondary jaw 302 and the secondary mounting base 3 through the secondary push rod 301-1, thereby achieving the clamping of the workpiece to be processed;

[0076] Regarding the air inspection components, including the main air inspection component, the secondary air inspection component, and the workpiece loading air inspection component, the main air inspection component is used in cooperation with the main fixture, the secondary air inspection component is used in cooperation with the secondary fixture, and the workpiece loading air inspection component is used to detect whether there is a workpiece on the base 1;

[0077] The main air inspection component includes:

[0078] The main extension pin 203 is arranged on the extension line of the rotation connection axis of the main connecting plate 202-2 and the main connection seat 202-1, and is fixedly connected to the main connecting plate 202-2;

[0079] The air inspection seat 4 is fixed to one side of the main mounting base 2, and its output end is provided with an air inspection core 401 pointing to the main extension pin 203;

[0080] The secondary air inspection component includes:

[0081] The secondary extension pin 303 is arranged on the extension line of the rotation connection axis of the secondary connecting plate 302-2 and the secondary connection seat 302-1, and is fixedly connected to the secondary connecting plate 302-2;

[0082] The air inspection seat 4 is fixed to one side of the secondary mounting base 3, and its output end is provided with an air inspection core 401 pointing to the secondary extension pin 303;

[0083] During use, the main oil cylinder 201 and the secondary oil cylinder 301 drive the main jaw 202 and the secondary jaw 302 to move, thereby driving the main extension pin 203 and the secondary extension pin 303 to move, thereby driving the displacement of the air inspection core 401, and feeding back a signal to the air inspection seat 4 to complete the detection of whether the main jaw 202 and the secondary jaw 302 are clamped;

[0084] The workpiece loading air inspection component includes:

[0085] The workpiece loading air inspection support 7 is installed on one side of one of the main mounting bases 2, and its output end is provided with a workpiece loading air inspection rod 701;

[0086] During use, the staff adjusts the position of the workpiece loading air inspection rod 701 so that after the workpiece to be processed is clamped, the workpiece to be processed can touch the workpiece loading air inspection rod 701;

[0087] One of the secondary fixtures includes a secondary jaw 302 that is set as a rotating jaw and is controlled by a rotating oil cylinder;

[0088] The air inspection seat 4 and the air inspection core 401 for air inspection of the secondary jaw 302 are both set to two and are arranged crosswise;

[0089] The support assembly includes:

[0090] A support oil cylinder 5, bolted to the base 1, with a support rod 501 provided at its output end;

[0091] Specifically, the numbers of the support oil cylinder 5 and the support rod 501 are both set to several and can be adjusted according to the usage situation. The support rod 501 is used to support the workpiece to be machined clamped by the main fixture and the sub-fixture;

[0092] The support assembly further includes:

[0093] A support base 6, installed on the main mounting base 2 or the sub-mounting base 3, with its output end pointing to the workpiece to be machined;

[0094] A support positioning pin 601, installed on one side of the support base 6 close to the workpiece to be machined;

[0095] Specifically, the relative movement between the support positioning pin 601 and the support base 6 is realized by an oil cylinder (the oil cylinder control method is from the prior art, aiming to control the support positioning pin 601 to make a reciprocating linear motion relative to the support base 6);

[0096] A protective cover 102 is provided above the base 1 and outside the main fixture and the sub-fixture;

[0097] An oil circuit connecting plate, an oil circuit pressing plate, an external air pipe and a pilot check valve are further provided on the base 1 for cooperating with the main oil cylinder 201, the sub-oil cylinder 301, the air inspection mechanism and the support oil cylinder 5 to work;

[0098] Specifically, the above-mentioned oil cylinders adopt Jiagang CLKA-075P, Jiagang CLKA-055P, Jiagang CLKA-048P and Pascal oil cylinders;

[0099] More specifically, the above-mentioned air inspection mechanism is from the prior art, aiming to detect whether the main fixture and the sub-fixture are clamped, whether the positioning pin extends in place, and whether there is a workpiece on the fixture, and its internal structure and working principle will not be elaborated in detail.

[0100] Normal use state

[0101] S1. Loading the workpiece. Place the workpiece (left and right subframes to be machined) on the base 1, and the loading air inspection component detects whether the workpiece is placed in place;

[0102] S2. The positioning pin extends. The main oil cylinder 201 works, driving the main jaw 202 to displace to perform primary limit support on the workpiece;

[0103] S3. The support rod 501 extends. The sub-oil cylinder 301 works, driving the sub-jaw 302 to displace to clamp and fix the workpiece;

[0104] S4. Air inspection to check whether the main gripper 202 and the auxiliary gripper 302 in the above steps S2 and S3 clamp the workpiece

[0105] S5. Perform processing;

[0106] S6. After the processing is completed, release the main oil cylinder 201 and the auxiliary oil cylinder 301, release the main gripper 202 and the auxiliary gripper 302, the auxiliary support oil cylinder 5 drops, and the positioning pin retracts;

[0107] S7. Remove the workpiece and blow air to clean the tooling.

[0108] Compared with the prior art, the utility model has the following characteristics:

[0109] 1. The clamping oil cylinder is placed reversely, and the distribution of the oil cylinder positions is more reasonable, leaving sufficient space for the manipulator to move, enabling automatic loading and unloading of workpieces;

[0110] 2. This tooling fixture can be applied to different machine tools, and through the compatibility of the air inspection component, three similar subframe workpieces can all be processed using this tooling.

[0111] 3. It realizes automated production, saves labor costs, improves production efficiency, and saves the cost of manufacturing multiple sets of special fixtures.

[0112] 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. An automatic hydraulic fixture for subframe production, comprising a base (1), characterized in that: A main fixture, a sub-fixture, a support assembly and an air inspection assembly are provided on the base (1). At least 3 main fixtures are provided, including: A main mounting seat (2) bolted to the base (1); A main oil cylinder (201) mounted on the main mounting seat (2), with a main push rod (201-1) provided at its output end, and a main jaw (202) mounted at the free end of the main push rod (201-1); At least 2 sub-fixtures are provided, including: A sub-mounting seat (3) bolted to the base (1); A sub-oil cylinder (301) mounted on the sub-mounting seat (3), with a sub-push rod (301-1) provided at its output end, and a sub-jaw (302) mounted at the free end of the sub-push rod (301-1).

2. The automatic hydraulic fixture for subframe production according to claim 1, wherein: A nameplate (103), a zero-point positioning post (101) and a hook (104) are provided on the base (1).

3. The automatic hydraulic fixture for subframe production according to claim 1, characterized in that: On one side of the rotational connection between the main jaw (202) and the main push rod (201-1), a main connecting plate (202-2) is also rotatably provided. The end of the main connecting plate (202-2) is rotatably connected to a main connecting seat (202-1), and the main connecting seat (202-1) is fixedly installed with the main mounting seat (2); On one side of the rotational connection between the sub-jaw (302) and the sub-push rod (301-1), a sub-connecting plate (302-2) is also rotatably provided. The end of the sub-connecting plate (302-2) is rotatably connected to a sub-connecting seat (302-1), and the sub-connecting seat (302-1) is fixedly installed with the sub-mounting seat (3).

4. The automatic hydraulic fixture for subframe production according to claim 3, wherein: The air inspection assembly includes: A main extension pin (203) provided on the extension line of the rotational connection axis of the main connecting plate (202-2) and the main connecting seat (202-1), and fixedly connected to the main connecting plate (202-2); An air inspection seat (4) fixed to one side of the main mounting seat (2), with an air inspection core (401) provided at its output end and pointing to the main extension pin (203).

5. The automatic hydraulic fixture for subframe production according to claim 4, characterized in that: The air inspection assembly includes: A sub-extension pin (303) provided on the extension line of the rotational connection axis of the sub-connecting plate (302-2) and the sub-connecting seat (302-1), and fixedly connected to the sub-connecting plate (302-2); An air inspection seat (4) fixed to one side of the sub-mounting seat (3), with an air inspection core (401) provided at its output end and pointing to the sub-extension pin (303).

6. The automatic hydraulic fixture for subframe production according to claim 4, characterized in that: The air inspection assembly includes an upper part air inspection support (7) mounted on one side of one of the main mounting seats (2), with an upper part air inspection rod (701) provided at its output end.

7. The automatic hydraulic fixture for subframe production according to claim 1, characterized in that: The sub-jaw (302) included in one of the sub-fixtures is set as a rotating jaw and is controlled by a rotating oil cylinder.

8. The automatic hydraulic fixture for subframe production according to claim 1, characterized in that: The support assembly includes: A support oil cylinder (5) bolted to the base (1), with a support rod (501) provided at its output end; The number of the support oil cylinders (5) and the support rods (501) are both set to be several.

9. The automatic hydraulic fixture for subframe production according to claim 8, wherein: The support assembly includes: A support seat (6) mounted on the main mounting seat (2) or the sub-mounting seat (3), and its output end points to the workpiece to be processed; The support locating pin (601) is installed on the side of the support seat (6) close to the workpiece to be machined, and the relative movement between the support locating pin (601) and the support seat (6) is realized by an oil cylinder.

Images