CN113103032A

CN113103032A - Fixture for one-sequence mixed line machining of automobile hub

Info

Publication number: CN113103032A
Application number: CN202110412856.XA
Authority: CN
Inventors: 詹小华; 郭华; 鲁向法
Original assignee: Kunshan Kanghua Automation Technology Co ltd
Current assignee: Kunshan Kanghua Automation Technology Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-07-13
Anticipated expiration: 2041-04-16
Also published as: CN113103032B

Abstract

The invention discloses a clamp for processing an automobile hub one-order mixed line, which relates to the field of automobile clamps and comprises a chassis, wherein a panel is fixedly connected to the upper end of the chassis, a gas detection device is fixedly connected to the upper surface of the panel, a pressing strip is fixedly connected to the panel, a rack arrangement groove is formed in the panel, a self-centering mechanism is fixedly connected to the upper end of the panel, a rack is fixedly connected to the self-centering mechanism, a positioning seat is fixedly connected to the rack, a positioning block is fixedly connected to the positioning seat, a guide sleeve is fixedly connected to the middle part of the chassis, a guide shaft is arranged in the guide sleeve, a sliding plate is fixedly connected to the upper end of the guide shaft, a pulling claw is rotatably connected to the sliding plate, a pulling claw groove is formed in the side surface of the panel, and the pulling claw is arranged in the pulling claw groove. Greatly improves the automation degree of processing the wheel by the mixed line.

Description

Fixture for one-sequence mixed line machining of automobile hub

Technical Field

The invention relates to the field of automobile clamps, in particular to a clamp for machining an automobile hub one-sequence mixed line.

Background

The machining process of the wheel usually needs three-sequence machining, but due to the difference of the outer diameter parameters of the wheels with different sizes, the limited stroke range of the chuck plate leads to the difficulty in machining the hubs with different sizes by using one set of clamp, and in the actual machining process, when the wheels with different sizes and specifications need to be replaced, one set of part or even a whole set of clamp needs to be replaced, so that the auxiliary time of workshop production is increased, the production efficiency is reduced, and the labor intensity of workers is increased.

Mixed flow production is a production mode for producing various products on one production line in a certain period of time. A plurality of product varieties with basically the same process flow and production operation method are scientifically arranged on a production line, the rhythmic and proportional mixed continuous production line is implemented, and the premise is that the varieties, the yield, the working hours and the equipment load are comprehensively balanced.

In the actual machining mixed line production of the wheels, because the wheels with different sizes need corresponding clamps, the automatic mixed line machining of the wheels cannot be realized, and therefore, it is necessary to design a clamp which can be used in the first machining of the wheels with different sizes so as to realize the automatic mixed line machining of the wheels with different sizes.

Disclosure of Invention

For solving above-mentioned technical problem, provide an automobile wheel hub preface anchor clamps for processing of mixing line, this technical scheme can carry out the centre gripping to the lane of two kinds of not unidimensional when carrying out wheel preface processing, can realize two kinds of product processing demands of automated production mixed line.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

the utility model provides an automobile wheel hub preface anchor clamps for mixed line processing, includes the chassis, chassis upper end fixedly connected with panel, panel upper surface border position fixedly connected with gas detection device, fixedly connected with layering on the panel, set up the rack on the panel and set up the groove, panel upper end fixedly connected with is from centering mechanism, from the last fixedly connected with rack of centering mechanism, fixedly connected with positioning seat on the rack, fixedly connected with locating piece on the positioning seat, chassis middle part fixedly connected with uide bushing is provided with the guiding axle in the uide bushing, guiding axle upper end fixedly connected with slide, slide upper end and panel lower surface butt, it draws the claw to rotate to be connected with on the slide, the panel side is seted up and is drawn the claw groove, draw the claw setting and drawing the claw inslot.

Preferably, from centering mechanism includes the mounting panel, the inside sliding connection of mounting panel has centering sleeve, sliding connection has centering slider on the centering sleeve, mounting panel bottom fixedly connected with hypoplastron, mounting panel upper end fixedly connected with upper plate.

Preferably, a rack mounting groove is formed in the centering slide block, and the rack is fixedly connected in the rack mounting groove.

Preferably, the thickness of the centering sleeve is smaller than that of the mounting plate, the depth of a groove for arranging the centering slide block (405) on the mounting plate is the same as that of the centering slide block, and an angle A (15 degrees < A < 75 degrees) is formed between the contact surface of the centering sleeve and the centering slide block and a vertical surface.

Preferably, the guide shaft is of a hollow structure, a guide shaft cover is fixedly connected to the upper end of the guide shaft, the sliding plate is fixedly connected with the guide shaft through a guide bearing, a connecting column is arranged at the upper end of the guide shaft, and the upper end of the connecting column is fixedly connected with the centering sleeve.

Preferably, the lower end of the chassis is fixedly connected with an end cover, the end cover is connected with a spring, the upper end of the spring is abutted against the lower surface of the panel, the chassis is connected with a joint shaft, the lower end of the sliding plate is fixedly connected with a bearing cover, the upper end of the bearing cover is fixedly connected with a bearing, the joint shaft is arranged in the bearing, and the upper end of the joint shaft is abutted against the lower surface of the panel.

Preferably, the pull claw comprises a pull arm and a mixed wire pull claw head, the mixed wire pull claw head is fixedly connected to one end of the pull arm, and the mixed wire pull claw head is of a U-shaped structure.

Preferably, the gas detection device comprises a gas detection mounting seat, a gas detection column and a gas detection pressure head, wherein the gas detection column is slidably connected inside the gas detection mounting seat, and the gas detection pressure head is fixedly connected to the surface of the gas detection column. The surface of the gas detection mounting seat is provided with a pressure head groove, and the gas detection pressure head is arranged in the pressure head groove.

Preferably, centering slider has threely, and is three even sliding connection in centering cover of design slider, the rack has threely, and is three the rack respectively with three centering slider fixed connection, the layering has six, wherein two the layering is a set of, and is a set of clearance between the layering is provided with the rack and sets up the groove, the rack sets up in the rack sets up the groove, three group the layering evenly sets up on the panel surface, it has threely, three to draw the claw draw the even setting of claw on the slide.

Preferably, the layering superscript has the scale mark, can carry out accurate installation according to the scale mark on the layering when the positioning seat is installed on the rack.

When the automobile hub is actually clamped, the external driving mechanism is connected with the connecting column through the hollow guide shaft, the driving mechanism drives the connecting column to move up and down, the connecting column is fixedly connected with the centering sleeve, so the centering sleeve can move up and down along with the connecting column, in the process of moving up and down of the centering sleeve, as the contact surface of the centering slide block and the centering sleeve is an inclined surface, and the centering slide block is restrained in the vertical direction, the centering slide block can horizontally move when the centering sleeve moves up and down, so as to drive the rack, the positioning seat and the positioning block which are fixedly connected with the rack to move in the horizontal direction, so as to exert radial restraint on the wheel to achieve the centering effect, when the hub is placed on the clamp, the hub can press the air detection pressure head on the air detection device to enable the air detection head to enter the pressure head groove, and the air detection head drives the air detection column to block an, make the inside pressure of anchor clamps reach the designed pneumatics value in advance, it has correctly placed to show wheel hub, draw the claw to rotate this moment and compress tightly wheel hub, apply axial restraint to wheel hub, draw the claw head to set up to the U-shaped structure simultaneously, there are two pressure heads can correspond not unidimensional wheel hub respectively, make this hairpin utensil can carry out the centre gripping to not unidimensional wheel hub, the self-align of this anchor clamps is realized through centering cover and the centering slider that has the inclined plane, a structure is simple, can design the angle on inclined plane according to actual wheel hub size when carrying out self-centering, centering scope is controllable and centering process is quick, the efficiency of wheel hub processing has been improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a cross-sectional view of section A-A of FIG. 4;

FIG. 6 is a cross-sectional view of the self-positioning mechanism of the present invention;

FIG. 7 is an exploded view of the self-positioning mechanism of the present invention;

FIG. 8 is a perspective view showing the connection between the positioning sleeve and the positioning block of the present invention;

FIG. 9 is a top view of the connection between the positioning sleeve and the positioning block of the present invention;

FIG. 10 is a sectional view showing the connection between the positioning sleeve and the positioning block according to the present invention;

FIG. 11 is a perspective view of the pulling pawl of the present invention;

figure 12 is a schematic perspective view of a gas detection device according to the present invention.

The reference numbers in the figures are:

1. a chassis; 2. a slide plate; 3. a panel; 4. a self-centering mechanism; 401. mounting a plate; 402. a centering sleeve; 403. an upper plate; 404. a lower plate; 405. a centering slide block; 406. a rack mounting groove; 5. a joint shaft; 6. a spring; 7. a guide sleeve; 8. a guide shaft; 9. an end cap; 10. a guide bearing; 11. connecting columns; 12. pulling a claw; 1201. pulling the arm; 1202. a claw head; 13. layering; 14. a gas detection device; 1401. a gas detection mounting seat; 1402. a gas detection pressure head; 1403. a gas detection column; 15. a rack setting groove; 16. positioning blocks; 17. positioning seats; 18. a rack; 19. a bearing cap; 20. and a bearing.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, a fixture for processing a first-order mixed line of an automobile hub comprises a chassis 1, a panel 3 is fixedly connected to the upper end of the chassis 1, a gas detection device 14 is fixedly connected to the edge position of the upper surface of the panel 3, a pressing strip 13 is fixedly connected to the panel 3, a scale mark is marked on the pressing strip 13, a positioning seat 17 can be accurately installed according to the scale mark on the pressing strip 13 when the positioning seat is installed on a rack 18, a rack installation groove 15 is formed on the panel 3, a self-centering mechanism 4 is fixedly connected to the upper end of the panel 3, a rack 18 is fixedly connected to the self-centering mechanism 4, a positioning seat 17 is fixedly connected to the rack 18, a positioning block 16 is fixedly connected to the positioning seat 17, a guide sleeve 7 is fixedly connected to the middle part of the chassis 1, a guide shaft 8 is arranged in the guide sleeve 7, a sliding plate 2, the sliding plate 2 is rotatably connected with a pulling claw 12, the side surface of the panel 3 is provided with a pulling claw groove, the pulling claw 12 is arranged in the pulling claw groove, the lower end of the chassis 1 is fixedly connected with an end cover 9, the end cover 9 is connected with a spring 6, the upper end of the spring 6 is abutted against the lower surface of the panel 3, the chassis 1 is connected with a joint shaft 5, the lower end of the sliding plate 2 is fixedly connected with a bearing cover 19, the upper end of the bearing cover 19 is fixedly connected with a bearing 20, the joint shaft 5 is arranged in the bearing 20, and the upper end of the joint shaft 5 is;

the guide shaft 8 is of a hollow structure, the upper end of the guide shaft 8 is fixedly connected with a guide bearing 10, the sliding plate 2 is fixedly connected with the guide shaft 8 through the guide bearing 10, the upper end of the guide shaft 8 is provided with a connecting column 11, the upper end of the connecting column 11 is fixedly connected with the centering sleeve 402, an external driving mechanism is connected with the connecting column 11 through the hollow guide shaft 8, the driving mechanism drives the connecting column 11 to move up and down, and the connecting column 11 is fixedly connected with the centering sleeve 402, so that the centering sleeve 402 can move up and down along with the connecting column 11, and a self-centering effect is achieved;

the centering slide blocks 405 are three, the three centering slide blocks 405 are evenly connected to the centering sleeve 402 in a sliding mode, the number of the racks 18 is three, the three racks 18 are fixedly connected with the three centering slide blocks 405 respectively, the number of the pressing strips 13 is six, two of the pressing strips 13 are a group, a rack setting groove 15 is formed in a gap between the group of the pressing strips 13, the racks 18 are arranged in the rack setting groove 15, the three groups of the pressing strips 13 are evenly arranged on the surface of the panel 3, the number of the pull claws 12 is three, the three pull claws 12 are evenly arranged on the sliding plate 2, and the pull claws 12 and the positioning blocks 16 are alternately arranged.

Referring to fig. 6-10, the self-centering mechanism 4 includes a mounting plate 401, a centering sleeve 402 is slidably connected inside the mounting plate 401, a centering slider 405 is slidably connected on the centering sleeve 402, a lower plate 404 is fixedly connected to the bottom of the mounting plate 401, an upper plate 403 is fixedly connected to the upper end of the mounting plate 401, a rack mounting groove 406 is formed in the centering slider 405, a rack 18 is fixedly connected in the rack mounting groove 406, the thickness of the centering sleeve 402 is smaller than that of the mounting plate 401, the depth of the groove for arranging the centering slider 405 on the mounting plate 401 is the same as that of the centering slider 405, the contact surface between the centering sleeve 402 and the centering slider 405 is 20 degrees from the vertical, when an external driving mechanism drives the centering sleeve 402 to move up and down, because the contact surface between the centering slider 405 and the centering sleeve 402 is an inclined surface and the centering slider 405 is restrained in the vertical direction, the centering slider 405 moves horizontally when the centering sleeve 402 moves up and down, thereby driving the rack 18, and the positioning seat 17 and the positioning block 16 which are fixedly connected to the rack 18 to move in the horizontal direction so as to apply radial constraint to the wheel to achieve the self-centering effect;

carry out the clamping jaw from the centering through centering cover 402 and centering slider 405 that has the inclined plane, its simple structure can design the inclined plane of different angles according to the size difference of mixed line processing at centering in-process, compares with traditional conical gear centering mechanism, uses inclined plane centering cover 402 and centering slider 405 to carry out the process of anchor clamps centering faster, has greatly improved the efficiency of wheel hub processing, and simple structure, convenient manufacturing.

Referring to fig. 11, the pull claw 12 includes a pull arm 1201 and a mixed wire pull claw head 1202, the mixed wire pull claw head 1202 is fixedly connected to one end of the pull arm 1201, the mixed wire pull claw head 1202 is U-shaped, two press heads can respectively correspond to hubs with different sizes, and a distance between the two press heads of the pull claw head 1202 can be freely selected according to the size of a wheel in the mixed wire production line, so that the clamp can clamp hubs with different sizes.

Referring to fig. 12, the gas detection device 14 includes a gas detection mounting base 1401, a gas detection column 1403 and a gas detection head 1402, wherein the gas detection column 1403 is slidably connected inside the gas detection mounting base 1401, and the gas detection head 1402 is fixedly connected to the surface of the gas detection column 1403. The pressure head groove is formed in the surface of the air detection mounting seat 1401, the air detection pressure head 1402 is arranged in the pressure head groove, when the hub is placed on the fixture, the hub can press down the air detection pressure head 1402 on the air detection device 14 to enable the air detection pressure head to enter the pressure head groove, the air detection pressure head 1402 drives the air detection column 1403 to move downwards to plug an air hole below the air detection column 1403, the pressure inside the fixture reaches a pre-designed air pressure value, and the fact that the hub is placed correctly is indicated.

In conclusion, the clamp has the advantages that the centering mechanism with the centering sleeve matched with the centering slide block is adopted, the structure is simple, the machining is convenient, the centering process is quicker, the machining efficiency of the wheel hub is improved, and the two pressing heads can respectively correspond to the wheel hubs with different sizes by adopting the pull claw head with the U-shaped structure, so that the clamp can clamp the wheel hubs with different sizes, and the automation degree of the wheel machining in a mixed line mode is greatly improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The fixture for processing the automobile hub one-sequence mixed line is characterized by comprising a chassis (1), a panel (3) is fixedly connected to the upper end of the chassis (1), a gas detection device (14) is fixedly connected to the edge position of the upper surface of the panel (3), a pressing strip (13) is fixedly connected to the panel (3), a rack setting groove (15) is formed in the panel (3), a self-centering mechanism (4) is fixedly connected to the upper end of the panel (3), a rack (18) is fixedly connected to the self-centering mechanism (4), a positioning seat (17) is fixedly connected to the rack (18), a positioning block (16) is fixedly connected to the positioning seat (17), a guide sleeve (7) is fixedly connected to the middle of the chassis (1), a guide shaft (8) is arranged in the guide sleeve (7), and a sliding plate (2) is fixedly connected to the upper end of the guide shaft (8, the upper surface of the sliding plate (2) is abutted to the lower surface of the panel (3), the sliding plate (2) is rotatably connected with a pull claw (12), a pull claw groove is formed in the side surface of the panel (3), and the pull claw (12) is arranged in the pull claw groove.

2. The automobile wheel hub order clamp for mixed line processing according to claim 1, characterized in that the self-centering mechanism (4) comprises a mounting plate (401), a centering sleeve (402) is slidably connected inside the mounting plate (401), a centering slider (405) is slidably connected on the centering sleeve (402), a lower plate (404) is fixedly connected to the bottom of the mounting plate (401), and an upper plate (403) is fixedly connected to the upper end of the mounting plate (401).

3. The clamp for machining the one-order mixed line of the automobile hub according to claim 2, wherein a rack mounting groove (406) is formed in the centering slide block (405), and the rack (18) is fixedly connected in the rack mounting groove (406).

4. The clamp for processing the one-order mixed line of the automobile hub according to claim 3, wherein the thickness of the centering sleeve (402) is smaller than that of the mounting plate (401), the depth of a sliding groove formed in the mounting plate (401) and provided with the centering slide block (405) is the same as that of the centering slide block (405), and an angle A (15 degrees < A < 75 degrees) is formed between a contact surface of the centering sleeve (402) and the centering slide block (405) and a vertical surface.

5. The clamp for machining the one-order mixed line of the automobile hub according to claim 4, wherein the guide shaft (8) is of a hollow structure, a guide bearing (10) is fixedly connected to the upper end of the guide shaft (8), the sliding plate (2) is fixedly connected with the guide shaft (8) through the guide bearing (10), a connecting column (11) is arranged at the upper end of the guide shaft (8), and the upper end of the connecting column (11) is fixedly connected with the centering sleeve (402).

6. The clamp for processing the one-order mixed line of the automobile hub according to claim 5, wherein an end cover (9) is fixedly connected to the lower end of the chassis (1), a spring (6) is connected to the end cover (9), the upper end of the spring (6) abuts against the lower surface of the panel (3), a joint shaft (5) is connected to the chassis (1), a bearing cover (19) is fixedly connected to the lower end of the sliding plate (2), a bearing (20) is fixedly connected to the upper end of the bearing cover (19), the joint shaft (5) is arranged in the bearing (20), and the upper end of the joint shaft (5) abuts against the lower surface of the panel (3).

7. The clamp for processing the one-sequence mixed wire of the automobile hub according to claim 6, wherein the pull claw (12) comprises a pull arm (1201) and a mixed wire pull claw head (1202), the mixed wire pull claw head (1202) is fixedly connected to one end of the pull arm (1201), and the mixed wire pull claw head (1202) is of a U-shaped structure.

8. The fixture for processing the one-sequence mixed line of the automobile hub according to claim 7, wherein the air detection device (14) comprises an air detection mounting seat (1401), an air detection column (1403) and an air detection pressure head (1402), the air detection column (1403) is connected inside the air detection mounting seat (1401) in a sliding mode, and the air detection pressure head (1402) is fixedly connected to the surface of the air detection column (1403). The surface of the gas detection mounting seat (1401) is provided with a pressure head groove, and the gas detection pressure head (1402) is arranged in the pressure head groove.

9. The automobile wheel hub order clamp for mixed line machining of claim 8, characterized in that there are three centering sliders (405), three centering sliders (405) are evenly slidably connected to a centering sleeve (402), there are three racks (18), three racks (18) are respectively fixedly connected to the three centering sliders (405), six pressing strips (13) are provided, two pressing strips (13) are in a group, a group of pressing strips (13) are arranged in a gap between the pressing strips (13) and are provided with rack setting grooves (15), the racks (18) are arranged in the rack setting grooves (15), three groups of pressing strips (13) are evenly arranged on the surface of a panel (3), and three pulling claws (12) are provided with three pulling claws (12) which are evenly arranged on a sliding plate (2).

10. The clamp for machining the one-sequence mixed line of the automobile hub according to claim 9, wherein scale marks are marked on the bead (13), and the positioning seat (17) can be accurately installed according to the scale marks on the bead (13) when being installed on the rack (18).