CN112318147A

CN112318147A - Clamp for machining aluminum alloy workpiece

Info

Publication number: CN112318147A
Application number: CN202110000545.2A
Authority: CN
Inventors: 於涛波
Original assignee: Yantai Xiaolong Environmental Protection Materials Co ltd
Current assignee: Weihai Zhonghe Electromechanical Technology Co.,Ltd.
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-02-05
Anticipated expiration: 2041-01-04
Also published as: CN112318147B

Abstract

The invention discloses a clamp for processing an aluminum alloy workpiece, which comprises a workbench for processing the aluminum alloy workpiece, wherein a group of clamps are symmetrically arranged on the workbench, the workbench is provided with a plurality of groups of positioning holes for mounting the clamps, the lower end of the workbench is provided with a traction device for assisting in mounting the clamps, a chip removal hole is formed in the middle of the workbench, a chip concentration box is arranged below the chip removal hole, one end of the chip concentration box is provided with a liquid discharge pipe, and drilling equipment is arranged above the workbench. This anchor clamps for aluminum alloy work piece processing can be convenient according to the size of work piece, and the position and the convenient sectional fixture of adjustment anchor clamps, is provided with cooling device and the adjusting device who controls cooling device simultaneously in the top of anchor clamps, through angular adjustment drive and lift drive to adjusting device's control to the height and the angle of the coolant liquid of convenient adjustment cooling device injection.

Description

Clamp for machining aluminum alloy workpiece

Technical Field

The invention relates to the technical field of workpiece machining, in particular to a clamp for machining an aluminum alloy workpiece.

Background

Aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, is widely applied in aviation, aerospace, automobile, mechanical manufacturing, ships and chemical industry, the rapid development of industrial economy has increased the demand on aluminum alloy welding structural parts, so that the weldability research of the aluminum alloy is also deepened, and the aluminum alloy is the most widely applied alloy at present.

The distance of anchor clamps and the installation to anchor clamps can't be better adjusted according to the size of work piece to the anchor clamps of current work piece processing, and ordinary cooling device needs artifical angle and height adjustment simultaneously, and processing sometimes, the shower nozzle can lead to the shower nozzle landing because of the vibration of machine and ageing, and if at this moment through artifical adjustment, has certain danger to the staff.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the distance between the clamps and the installation of the clamps cannot be well adjusted according to the size of a workpiece, and meanwhile, a cooling device has certain danger to staff due to the fact that a spray head is manually adjusted, and provides the clamp for machining the aluminum alloy workpiece.

In order to achieve the purpose, the invention adopts the following technical scheme: the device comprises a workbench for processing an aluminum alloy workpiece, wherein a group of clamps are symmetrically arranged on the workbench, the workbench is provided with a plurality of groups of positioning holes for mounting the clamps, the lower end of the workbench is provided with a traction device for assisting in mounting the clamps, the middle position of the workbench is provided with a chip removal hole, a chip collection box is arranged below the chip removal hole, one end of the chip collection box is provided with a liquid discharge pipe, drilling equipment is arranged above the workbench, a driving box is fixedly arranged on one side of the drilling equipment, and the driving box is provided with a cooling device and an adjusting device for adjusting the angle and the height of cooling liquid sprayed out by the cooling device;

the fixture comprises a mounting sleeve arranged in a positioning hole in a sliding manner, a fixed block is fixedly arranged on the outer wall of the mounting sleeve, a mounting seat is fixedly arranged on the fixed block, a movable rod is hinged to the upper end of the mounting seat, a pressing rod is hinged to one end, away from the mounting seat, of the movable rod, a pressing block is fixedly arranged at the lower end of the pressing rod, an anti-skidding gasket is arranged on the clamping surface of the pressing block, a fixed clamping plate used for being matched with the pressing block to fix a workpiece is fixedly arranged on the outer wall of one side, away from the fixed block, of the mounting sleeve, a movable sleeve is arranged in the middle of the movable rod in a sliding manner, a roller used for reducing friction is arranged in the movable sleeve, a first connecting rod is hinged to the lower end of the movable sleeve, a mounting, the lower end of the mounting rack is fixedly provided with a first motor which has a waterproof function, the output shaft of the first motor is fixedly connected with a rotating shaft, the lower end of the rotating shaft is fixedly provided with a threaded rod, the lower end of the positioning hole on the workbench is provided with a threaded hole used in cooperation with a threaded rod, the lower end of the threaded rod is rotatably provided with a first guide rod, the cross section of the first guide rod is circular, the lower end of the first guide rod is provided with a truncated cone, a plurality of annular teeth are uniformly and fixedly arranged on the outer wall of the first guide rod, an annular positioning plate for guiding the position of the first guide rod is fixedly arranged at the lower end of the threaded hole, the middle position of the annular positioning plate is provided with a guide opening, the guide opening is circular, the first guide rod is in sliding connection with the guide opening, and the upper end of the guide opening is provided with a tapered groove.

Further, the traction device comprises a movable block arranged at the lower end of the workbench in a sliding manner, a second guide rod is arranged at the middle position of the movable block in a sliding manner, the second guide rod is fixedly connected with the workbench, a second spring for upwards resetting the movable block is sleeved on the second guide rod, the cross section of the movable block is rectangular, a group of tooth grooves are formed in the outer wall of one side of the movable block, a group of wedge-shaped positioning holes are formed in one side of the movable block, away from the tooth grooves, a movable gear is arranged on one side of the tooth grooves of the movable block, a first guide rod is correspondingly arranged above one side of the movable gear, away from the movable block, a group of tooth grooves matched with the movable gear for use are formed in the outer wall of the first guide rod, a first rotating rod is fixedly arranged at the position of the central shaft of the movable gear, and connecting blocks are, the fixed second connecting rod that is provided with of outer wall of connecting block, the cover is equipped with the first spring that breaks away from the movable block outer wall tooth's socket with the loose gear on the second connecting rod, the fixed fly leaf that is provided with of one end of keeping away from the connecting block of second connecting rod, the fly leaf intermediate position is provided with the spring bolt that cooperation wedge locating hole used.

Further, cooling device is including being fixed in the stand pipe of drive box upper end, the inside slip of stand pipe is provided with the feed liquor pipe, be provided with the sealing ring between stand pipe and the feed liquor pipe, the feed liquor pipe runs through in the drive box, and with drive box sliding connection, the fixed liquid piece that advances that is provided with of lower extreme of feed liquor pipe, the inside feed liquor chamber that is provided with of feed liquor piece, the intermediate position of advancing the liquid piece rotates and is provided with the shower nozzle, advance and be provided with the sealing washer between liquid piece and the shower nozzle.

Further, adjusting device includes the mounting panel, the fixed lead screw that is provided with in upper end of mounting panel, the feed liquor pipe runs through and is fixed in the mounting panel intermediate position, the one end rotation that the lead screw was kept away from to the mounting panel is provided with the second bull stick.

Furthermore, the inside of drive case is provided with the lift drive that is used for changing the shower nozzle height to and the angle modulation drive that changes the shower nozzle angle.

Furthermore, the lifting drive comprises a second motor fixed on the outer wall of the drive box, a first transmission rod is fixedly connected to an output shaft of the second motor, a worm section is arranged at one end, away from the second motor, of the first transmission rod, a first worm wheel is meshed and connected to one side of the worm section, and a threaded hole matched with the screw rod for use is formed in the position of a central shaft of the first worm wheel.

Further, the angle adjustment drive comprises a third motor, a second transmission rod is fixedly connected to an output shaft of the third motor, a worm section is arranged at one end, far away from the third motor, of the second transmission rod, a second worm wheel is connected to one side of the worm section in a meshed mode, a through hole is formed in the position of the central shaft of the second worm wheel, a sliding block for limiting steering is fixed to the outer wall of the through hole, a sliding groove matched with the sliding block is formed in the second rotating rod, the lower end of the second rotating rod penetrates through the mounting plate, a worm section is arranged at the lower end of the second rotating rod, and a plurality of tooth grooves meshed with the worm section are formed in the outer wall of the spray head. .

Compared with the prior art, the invention has the following beneficial effects:

this anchor clamps for aluminum alloy work piece processing can be convenient according to the size of work piece, and the position and the convenient sectional fixture of adjustment anchor clamps, is provided with cooling device and the adjusting device who controls cooling device simultaneously in the top of anchor clamps, through angular adjustment drive and lift drive to adjusting device's control to the height and the angle of the coolant liquid of convenient adjustment cooling device injection.

Drawings

FIG. 1 is an external view of a clamp for machining an aluminum alloy workpiece according to the present invention;

FIG. 2 shows a pre-clamping state of a clamp for machining an aluminum alloy workpiece according to the present invention;

FIG. 3 is a schematic diagram showing the positional relationship among a movable block, a movable gear and a lock tongue of the clamp for processing an aluminum alloy workpiece, provided by the invention;

FIG. 4 shows a clamping state of the clamp for machining an aluminum alloy workpiece according to the present invention;

FIG. 5 is a schematic view of an internal structure of a movable block of the clamp for processing an aluminum alloy workpiece according to the present invention;

FIG. 6 is a schematic view of the inside of a movable sleeve of the clamp for processing an aluminum alloy workpiece according to the present invention;

FIG. 7 is a schematic structural view of an adjusting device of the clamp for processing the aluminum alloy workpiece, which is provided by the invention;

FIG. 8 is a schematic view of a driving box of the clamp for processing an aluminum alloy workpiece according to the present invention;

fig. 9 is a schematic structural diagram of a nozzle of the clamp for processing the aluminum alloy workpiece according to the present invention.

In the figure: 1. a work table; 101. an annular positioning plate; 2. a clamp; 201. installing a sleeve; 2011. a fixed block; 2012. fixing the clamping plate; 202. a mounting frame; 203. a mounting seat; 204. a movable rod; 205. a pressing lever; 206. a pressing block; 207. a movable sleeve; 2071. a roller; 208. a first connecting rod; 209. a first motor; 210. a rotating shaft; 211. a threaded rod; 212. a first guide bar; 3. a traction device; 301. a movable block; 302. a movable gear; 303. a first rotating lever; 304. connecting blocks; 305. a second connecting rod; 306. a first spring; 307. a movable plate; 308. a latch bolt; 309. a second guide bar; 310. a second spring; 4. lifting and driving; 401. a second motor; 402. a first drive lever; 403. a first worm gear; 5. a drive box; 6. angle adjustment driving; 601. a third motor; 602. a second transmission rod; 603. a second worm gear; 7. an adjustment device; 701. a screw rod; 702. a second rotating rod; 703. mounting a plate; 8. a cooling device; 801. a guide tube; 802. a liquid inlet pipe; 8021. a liquid inlet block; 803. a spray head; 9. a scrap collection box; 10. a drilling apparatus.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-9, a clamp for processing an aluminum alloy workpiece comprises a workbench 1 for processing the aluminum alloy workpiece, a group of clamps 2 are symmetrically arranged on the workbench 1, the workbench 1 is provided with a plurality of groups of positioning holes for installing the clamps 2, the lower end of the workbench 1 is provided with a traction device 3 for assisting in installing the clamps 2, the middle position of the workbench 1 is provided with a chip removal hole, a chip collection box 9 is arranged below the chip removal hole, one end of the chip collection box 9 is provided with a liquid discharge pipe, a drilling device 10 is arranged above the workbench 1, one side of the drilling device 10 is fixedly provided with a driving box 5, and the driving box 5 is provided with a cooling device 8 and an adjusting device 7 for adjusting the angle and height of cooling liquid sprayed by the cooling device 8;

the fixture 2 comprises a mounting sleeve 201 arranged inside a positioning hole in a sliding manner, a fixed block 2011 is fixedly arranged on the outer wall of the mounting sleeve 201, a mounting seat 203 is fixedly arranged on the fixed block 2011, a movable rod 204 is hinged to the upper end of the mounting seat 203, one end, far away from the mounting seat 203, of the movable rod 204 is hinged to a pressing rod 205, a pressing block 206 is fixedly arranged at the lower end of the pressing rod 205, an anti-skidding gasket is arranged on the clamping surface of the pressing block 206, a fixed clamping plate 2012 used for fixing a workpiece in cooperation with the pressing block 206 is fixedly arranged on the outer wall of one side, far away from the fixed block 2011, a movable sleeve 207 is slidably arranged in the middle of the movable rod 204, a roller 2071 used for reducing friction is arranged inside the movable sleeve 207, a first connecting rod 208 is hinged to the lower end of the movable sleeve 207, the fixed first motor 209 that is provided with of lower extreme of mounting bracket 202, first motor 209 has waterproof function, the output shaft fixedly connected with pivot 210 of first motor 209, the fixed threaded rod 211 that is provided with of lower extreme of pivot 210, the lower extreme of the locating hole on the workstation 1 is provided with the screw hole that cooperation threaded rod 211 used, the lower extreme of threaded rod 211 rotates and is provided with first guide bar 212, the cross section of first guide bar 212 is circular, the lower extreme of first guide bar 212 is provided with circular truncated cone, evenly fixed being provided with a plurality of annular teeth on the outer wall of first guide bar 212, the fixed annular locating plate 101 that is used for guiding first guide bar 212 position that is provided with of lower extreme of screw hole, the guide port has been seted up to the intermediate position of annular locating plate 101, the guide port is circular, first guide bar 212 and guide port sliding connection, the bell jar has been seted up.

Further, the traction device 3 comprises a movable block 301 arranged at the lower end of the workbench 1 in a sliding manner, a second guide rod 309 is arranged at the middle position of the movable block 301 in a sliding manner, the second guide rod 309 is fixedly connected with the workbench 1, a second spring 310 for upwards resetting the movable block 301 is sleeved on the second guide rod 309, the cross section of the movable block 301 is rectangular, a group of tooth grooves are formed in the outer wall of one side of the movable block 301, a group of wedge-shaped positioning holes are formed in the side, away from the tooth grooves, of the movable block 301, a movable gear 302 is arranged on one side of the movable block 301, a first guide rod 212 is correspondingly arranged above the side, away from the movable block 301, of the movable gear 302, a group of tooth grooves matched with the movable gear 302 are formed in the outer wall of the first guide rod 212, a first rotating rod 303 is fixedly arranged at the position of the central shaft of the movable gear, a second connecting rod 305 is fixedly arranged on the outer wall of the connecting block 304, a first spring 306 for separating the movable gear 302 from the tooth space of the outer wall of the movable block 301 is sleeved on the second connecting rod 305, a movable plate 307 is fixedly arranged at one end of the second connecting rod 305 far away from the connecting block 304, and a locking tongue 308 matched with the wedge-shaped positioning hole is arranged in the middle of the movable plate 307.

Further, the cooling device 8 includes a guide pipe 801 fixed on the upper end of the driving box 5, a liquid inlet pipe 802 is slidably arranged inside the guide pipe 801, a sealing ring is arranged between the guide pipe 801 and the liquid inlet pipe 802, the liquid inlet pipe 802 penetrates through the driving box 5 and is slidably connected with the driving box 5, a liquid inlet block 8021 is fixedly arranged at the lower end of the liquid inlet pipe 802, a liquid inlet cavity is arranged inside the liquid inlet block 8021, a spray head 803 is rotatably arranged at the middle position of the liquid inlet block 8021, and a sealing ring is arranged between the liquid inlet block 8021 and the spray head 803.

Further, the adjusting device 7 includes a mounting plate 703, a screw rod 701 is fixedly disposed at an upper end of the mounting plate 703, the liquid inlet pipe 802 penetrates through and is fixed at a middle position of the mounting plate 703, and a second rotating rod 702 is rotatably disposed at one end of the mounting plate 703, which is far away from the screw rod 701.

Further, the inside of the driving box 5 is provided with a lifting drive 4 for changing the height of the head 803 and an angle adjustment drive 6 for changing the angle of the head 803.

Further, lifting drive 4 is including being fixed in 5 outer walls of drive case second motor 401, and the output shaft fixedly connected with first drive rod 402 of second motor 401, and the one end that second motor 401 was kept away from to first drive rod 402 is provided with the worm section, and the meshing of one side of worm section is connected with first worm wheel 403, and the screw hole that cooperation lead screw 701 used is seted up to the center pin position of first worm wheel 403.

Further, the angle adjustment drive 6 includes a third motor 601, an output shaft of the third motor 601 is fixedly connected with a second transmission rod 602, one end of the second transmission rod 602, which is far away from the third motor 601, is provided with a worm section, one side of the worm section is engaged with a second worm wheel 603, a through hole is formed in the center shaft position of the second worm wheel 603, a slider for limiting steering is fixed on the outer wall of the through hole, a sliding groove used in cooperation with the slider is formed in the second rotating rod 702, the lower end of the second rotating rod 702 penetrates through the mounting plate 703, the lower end of the second rotating rod 702 is provided with a worm section, and the outer wall of the spray head 803 is provided with a plurality of tooth grooves engaged with the worm section. .

The working principle is as follows: the device is provided with a clamp 2, a workpiece can be conveniently clamped through the clamp 2, the position of the clamp 2 can be conveniently adjusted, a required positioning hole is cleaned according to the size and the processing position of the workpiece, then the clamp 2 is placed in a proper positioning hole at the upper end of a workbench 1, then a movable sleeve 207 is pressed downwards, a first connecting rod 208, a mounting frame 202, a rotating shaft 210, a threaded rod 211 and a first guide rod 212 are sequentially driven to move downwards through the movable sleeve 207, as the first guide rod 212 is rotatably connected with the threaded rod 211, a tapered hole is formed at the upper end of a through hole at the middle position of an annular positioning plate 101, the first guide rod 212 slides inwards into the guide hole along the inclined plane of the tapered hole, annular teeth are arranged on the outer wall of the first guide rod 212, the first guide rod 212 is meshed with a movable gear 302, and the movable gear 302 slides along the inclined plane at the lower end of the first guide rod 212 when the first guide rod 212 is pressed downwards, the movable gear 302 is driven to move towards the tooth grooves of the movable block 301 in the sliding process, meanwhile, the movable gear 302 drives the connecting blocks 304 on the two sides to move, the connecting blocks 304 drive the movable plate 307 to move through the second connecting rod 305, the movable plate 307 drives the locking tongue 308 to move, so that the locking tongue 308 gradually disengages from the wedge-shaped groove of the movable block 301, the locking tongue 308 disengages from the wedge-shaped groove of the movable block 301 when the movable gear 302 is positioned at half of the inclined surface of the first guide rod 212, the movable gear 302 engages with the tooth grooves on the first guide rod 212 when the first guide rod 212 continues to move downwards until the threaded rod 211 moves to the upper end of the threaded hole at the lower end of the positioning hole of the workbench 1, the manual operation cannot be pressed downwards, the first guide rod 212 already engages with the movable gear 302, the movable gear 302 continues to be pressed downwards under the action of the first spring 306 inside the movable block 301 and the movable block 301, after the placement is completed, the first motor 209 starts to work, an output shaft of the first motor 209 drives the rotating shaft 210 to rotate, the rotating shaft 210 drives the threaded rod 211 to rotate, as the first guide rod 212 continuously presses down, the threaded rod 211 can be in contact with a threaded hole on the workbench 1, but can move downwards as the threaded rod 211 rotates and is connected with the threaded hole, so as to drive the mounting frame 202 to move downwards, the mounting frame 202 drives the movable sleeve 207 to move downwards through the first connecting rod 208, so that one end, far away from the mounting seat 203, of the movable rod 204 is driven to press down, the movable rod 204 drives the pressing block 206 to press down through the pressing rod 205, so that a workpiece is clamped by matching with the fixed clamping plate;

meanwhile, the device is provided with a cooling device 8, an adjusting device 7 for controlling the cooling device 8, and a lifting drive 4 and an angle adjustment drive 6 for driving the adjusting device 7, when the height of the cooling liquid needs to be changed, the output shaft of the second motor 401 drives the first transmission rod 402 to rotate, the first transmission rod 402 drives the first worm wheel 403 to rotate through the worm section at one end, the first worm wheel 403 drives the screw rod 701 to move up and down due to the fact that the screw rod 701 is fixed on the mounting plate 703, the mounting plate 703 is driven to move up and down, the cooling device 8 below the mounting plate 703 is further driven to move up and down, the spray head 803 in the cooling device 8 is driven to move up and down, the height of the cooling liquid spray is further conveniently changed, when the angle of the cooling liquid spray needs to be changed, the output shaft of the third motor 601 drives the second transmission rod 602 to rotate, the second transmission rod 602 drives the second worm section, the second worm wheel 603 rotates the second rotating rod 702, and the second rotating rod 702 is engaged with the gear on the outer wall of the spray head 803 through the worm section at the lower end, so as to change the angle of the spray head 803, and thus change the angle of the cooling liquid spray.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The clamp for processing the aluminum alloy workpiece is characterized by comprising a workbench (1) for processing the aluminum alloy workpiece, a group of clamps (2) are symmetrically arranged on the workbench (1), a plurality of groups of positioning holes for installing the clamps (2) are arranged on the workbench (1), the lower end of the workbench (1) is provided with a traction device (3) for assisting in installing the clamp (2), a chip removal hole is arranged in the middle of the workbench (1), a chip concentration box (9) is arranged below the chip removal hole, a liquid discharge pipe is arranged at one end of the scrap collecting box (9), drilling equipment (10) is arranged above the workbench (1), a driving box (5) is fixedly arranged on one side of the drilling equipment (10), and the driving box (5) is provided with a cooling device (8) and an adjusting device (7) for adjusting the angle and the height of cooling liquid sprayed out by the cooling device (8);

the fixture (2) comprises an installation sleeve (201) arranged inside a positioning hole in a sliding mode, a fixed block (2011) is fixedly arranged on the outer wall of the installation sleeve (201), an installation seat (203) is fixedly arranged on the fixed block (2011), a movable rod (204) is hinged to the upper end of the installation seat (203), a pressing rod (205) is hinged to one end, far away from the installation seat (203), of the movable rod (204), a pressing block (206) is fixedly arranged at the lower end of the pressing rod (205), an anti-skidding gasket is arranged on a clamping face of the pressing block (206), a fixed clamping plate (2012) used for being matched with the pressing block (206) to fix a workpiece is fixedly arranged on the outer wall of one side, far away from the fixed block (2011), of the installation sleeve (201), a movable sleeve (207) is arranged in the middle of the movable rod (204) in a sliding mode, an idler wheel (2071, the lower extreme of activity sleeve (207) articulates there is head rod (208), the fixed mounting bracket (202) that is provided with of lower extreme of head rod (208), mounting bracket (202) slide to set up in the inside of installation sleeve (201), the fixed first motor (209) that is provided with of lower extreme of mounting bracket (202), first motor (209) have waterproof function, the output shaft fixedly connected with pivot (210) of first motor (209), the lower extreme of pivot (210) is fixed and is provided with threaded rod (211), the lower extreme of locating hole on workstation (1) is provided with the screw hole that cooperation threaded rod (211) used, the lower extreme rotation of threaded rod (211) is provided with first guide bar (212), the cross section of first guide bar (212) is circular, the lower extreme of first guide bar (212) is provided with the circular cone platform, evenly fixed a plurality of annular tooth that are provided with on the outer wall of first guide bar (212), the lower extreme of screw hole is fixed to be provided with annular locating plate (101) that is used for guiding first guide bar (212) position, the guiding mouth has been seted up to the intermediate position of annular locating plate (101), the guiding mouth is circular, first guide bar (212) and guiding mouth sliding connection, the tapered groove has been seted up to the upper end of guiding mouth.

2. The clamp for machining the aluminum alloy workpiece as recited in claim 1, wherein the traction device (3) comprises a movable block (301) slidably arranged at the lower end of the workbench (1), a second guide rod (309) is slidably arranged at the middle position of the movable block (301), the second guide rod (309) is fixedly connected with the workbench (1), a second spring (310) for upwards resetting the movable block (301) is sleeved on the second guide rod (309), the cross section of the movable block (301) is rectangular, a set of tooth sockets are formed in the outer wall of one side of the movable block (301), a set of wedge-shaped positioning holes are formed in one side of the movable block (301) far away from the tooth sockets, a movable gear (302) is arranged on one side of the movable block (301) far away from the tooth sockets, a first guide rod (212) is correspondingly arranged above one side of the movable gear (302) far away from the movable block (301), a set of tooth's socket that a set of cooperation loose gear (302) used has been seted up to the outer wall of first guide bar (212), the center pin rigidity of loose gear (302) is provided with first bull stick (303), the both ends of first bull stick (303) are rotated respectively and are connected with connecting block (304), the outer wall of connecting block (304) is fixed and is provided with second connecting rod (305), the cover is equipped with first spring (306) that breaks away from loose gear (302) movable block (301) outer wall tooth's socket on second connecting rod (305), the one end of keeping away from connecting block (304) of second connecting rod (305) is fixed and is provided with fly leaf (307), fly leaf (307) intermediate position is provided with spring bolt (308) that cooperation wedge locating hole used.

3. The clamp for machining the aluminum alloy workpiece as recited in claim 1, wherein the cooling device (8) comprises a guide pipe (801) fixed at the upper end of the driving box (5), a liquid inlet pipe (802) is slidably arranged inside the guide pipe (801), a sealing ring is arranged between the guide pipe (801) and the liquid inlet pipe (802), the liquid inlet pipe (802) penetrates through the driving box (5) and is slidably connected with the driving box (5), a liquid inlet block (8021) is fixedly arranged at the lower end of the liquid inlet pipe (802), a liquid inlet cavity is arranged inside the liquid inlet block (8021), a nozzle (803) is rotatably arranged at the middle position of the liquid inlet block (8021), and a sealing ring is arranged between the liquid inlet block (8021) and the nozzle (803).

4. The clamp for machining the aluminum alloy workpiece as recited in claim 3, wherein the adjusting device (7) comprises a mounting plate (703), a screw rod (701) is fixedly arranged at the upper end of the mounting plate (703), the liquid inlet pipe (802) penetrates through and is fixed at the middle position of the mounting plate (703), and a second rotating rod (702) is rotatably arranged at one end of the mounting plate (703) far away from the screw rod (701).

5. The aluminum alloy workpiece machining fixture as recited in claim 4, characterized in that the drive box (5) is internally provided with a lifting drive (4) for changing the height of the spray head (803) and an angle adjustment drive (6) for changing the angle of the spray head (803).

6. The aluminum alloy workpiece machining clamp according to claim 5, characterized in that the lifting drive (4) comprises a second motor (401) fixed on the outer wall of the drive box (5), an output shaft of the second motor (401) is fixedly connected with a first transmission rod (402), one end, far away from the second motor (401), of the first transmission rod (402) is provided with a worm section, one side of the worm section is connected with a first worm wheel (403) in a meshing manner, and a threaded hole matched with the screw rod (701) is formed in the central shaft position of the first worm wheel (403).

7. The aluminum alloy workpiece machining jig according to claim 5, the angle adjusting drive (6) comprises a third motor (601), the output shaft of the third motor (601) is fixedly connected with a second transmission rod (602), one end of the second transmission rod (602) far away from the third motor (601) is provided with a worm section, one side of the worm section is engaged and connected with a second worm wheel (603), a through hole is arranged at the central shaft position of the second worm wheel (603), a sliding block for limiting steering is fixed on the outer wall of the through hole, a sliding groove matched with the sliding block is arranged on the second rotating rod (702), the lower end of the second rotating rod (702) penetrates through the mounting plate (703), a worm section is arranged at the lower end of the second rotating rod (702), and a plurality of tooth grooves meshed with the worm section are formed in the outer wall of the spray head (803).