CN112916253A

CN112916253A - Adjustable paint spraying clamp for automobile accessories

Info

Publication number: CN112916253A
Application number: CN202110241944.8A
Authority: CN
Inventors: 姚九斌; 陈兴; 王云
Original assignee: Changzhou Difulong Photoelectric Technology Co ltd
Current assignee: Changzhou Difulong Photoelectric Technology Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-08

Abstract

The invention relates to an adjustable automobile accessory paint spraying clamp, which relates to the technical field of automobile accessory processing devices and comprises a base, a support, a workpiece clamping component and a spray head adjusting component, wherein the workpiece clamping component is fixedly arranged on the base; the structure is used for controlling the position of the paint spraying head, and the adjustment of the structure is linked with the inclination angle of the surface of a workpiece, so that the paint spraying head and the surface of the workpiece keep the same distance to run, and the surface of the workpiece is uniformly sprayed with paint.

Description

Adjustable paint spraying clamp for automobile accessories

Technical Field

The invention relates to the technical field of automobile accessory machining devices, in particular to an adjustable automobile accessory paint spraying clamp.

Background

After the forging of the automobile parts, surface rust prevention treatment is needed, and usually, paint spraying is adopted to cover the surfaces of the workpieces to realize the surface closing of the workpieces; when a workpiece with an inclined surface in the prior art is sprayed with paint, the distance between a spray gun and the surface of the workpiece is difficult to control, so that paint can not be uniformly covered during paint spraying, and improvement is needed.

Disclosure of Invention

The invention aims to provide an adjustable automobile accessory paint spraying clamp which is reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art, and the adjustable automobile accessory paint spraying clamp is provided with a structural part for controlling the position of a paint spraying head, and the structural part is adjusted to be linked with the inclination angle of the surface of a workpiece, so that the paint spraying head and the surface of the workpiece keep the same distance to run, and the surface of the workpiece is ensured to be uniformly sprayed with paint.

In order to achieve the purpose, the invention adopts the technical scheme that: the spray head adjusting device comprises a base, a support, a workpiece clamping component and a spray head adjusting component, wherein the workpiece clamping component is fixedly arranged on the base;

the workpiece clamping assembly comprises a first shaft seat, a first rotating shaft, a mounting seat, a sleeve, a first threaded rod and a clamping block, wherein the first shaft seat is fixedly arranged at the right end of the upper surface of the base; a sleeve is fixedly arranged on the mounting seat, a first threaded sleeve is arranged on the side wall of the sleeve in a penetrating and screwing mode through a bearing, a first threaded rod is arranged in the first threaded sleeve in a penetrating and screwing mode through a thread, a clamping block is fixedly arranged at one end, positioned in the sleeve, of the first threaded rod, the clamping block movably abuts against the left side wall of the mounting seat, an end face gear is arranged on the sleeve in a screwing mode through a bearing sleeve, a straight gear is fixedly arranged on the first threaded sleeve in a sleeved mode, and the end face gear is meshed with the straight gear;

the shower nozzle adjusting part contain the slide rail, the slider, the stop collar, the bracing piece, a fixed base, the paint spraying head, wherein the fixed slide rail that is provided with on the support, it is provided with the slider to slide on the slide rail, the fixed stop collar that is provided with on the slider, and the upper and lower both ends opening setting of stop collar, the bracing piece is worn to be equipped with in the activity of stop collar, the fixed dog that is provided with in upper end of bracing piece, the fixed fixing base that is provided with of lower extreme of bracing piece, the fixed paint spraying head that is provided with on the fixing base, the paint spraying head sets up with outside supply pipeline connection, the fixed electric putter that is provided.

The left side wall of the first shaft seat is provided with a second threaded sleeve in a rotating mode through a bearing, the second threaded sleeve is arranged above the mounting seat, a second threaded rod is connected in the second threaded sleeve in a penetrating and rotating mode through a thread, the upper end of the second threaded rod is provided with a fixed plate in a rotating mode through a rotating shaft, the left end of the upper surface of the base is fixedly provided with a second shaft seat, the upper end of the right side wall of the second shaft seat is provided with a third threaded sleeve in a rotating mode through a bearing, a third threaded rod is connected in the third threaded sleeve in a penetrating and rotating mode through a thread, the upper end of the third threaded rod is fixedly provided with a first pin rod, the left end of the fixed plate is provided with a first waist-shaped; a second pin rod is fixedly arranged on the rear side wall of the fixing seat, a second waist-shaped hole is formed in the fixing plate, and the second pin rod is movably arranged in the second waist-shaped hole in a penetrating mode.

Furthermore, No. two axle beds on be equipped with the axis of rotation No. two through the bearing soon, and No. two axis of rotation and the coaxial setting of axis of rotation No. one, the fixed supporting seat that is provided with of right-hand member of No. two axis of rotation, the fixed clamp plate that is provided with on the right side wall of supporting seat, wear to establish the screw thread on the clamp plate and connect soon No. four threaded rods, after fixing the right-hand member of work piece through work piece centre gripping subassembly, the left end of work piece erects on the supporting seat, the left end of rotatory No. four threaded rods is pressed from both sides the.

Further, the bracing piece on the cover be equipped with the spring, the upper end of spring is fixed to be set up on the stop collar, the lower extreme of spring is fixed to be set up on the fixing base, slide in No. two waist shape holes of fixing base through No. two pin levers on the fixed plate, when the fixing base drove the bracing piece and reciprocates, the spring compressed tightly to promote the fixing base downwards, and then No. two pin levers support on No. two lower inside walls in waist shape hole.

Further, the base on the fixed guide bar that is provided with, and the guide bar setting is between axle bed and No. two axle beds, the slip is provided with the cushion cap on the guide bar, the fixed guide plate that is provided with on the upper surface of cushion cap, and the right-hand member downward sloping setting of guide plate, the head of spraying paint sets up the top at the guide plate, be provided with on the cushion cap and collect the fill, the right-hand member setting of guide plate is in the top of collecting the fill, the fixed connecting rod that is provided with on the cushion cap, the upper end of connecting rod is fixed to be set up on the fixing base, when controlling about the fixing base, the fixing base drives cushion cap synchronous motion through the connecting rod, and then the guide plate keeps off and collects the paint that does not cover.

Furthermore, an inserting sleeve is fixedly arranged on the left side edge of the sleeve, a baffle is movably inserted in the inserting sleeve, the right end of the workpiece is inserted into the sleeve and is fixed through a clamping block, the baffle is inserted into the inserting sleeve, and then the baffle abuts against the side wall of the workpiece to cover the left port of the sleeve.

The working principle of the invention is as follows: when the device works, a paint spraying head in the spray head adjusting assembly is connected with external paint supply equipment to supply paint, a workpiece to be processed is inserted into the sleeve through the right end, the straight gear is rotated, and then the first Roen I set is driven to rotate through the meshed end face gear; during paint spraying, the motor is started, the mounting base is driven to rotate through the first rotating shaft, the workpiece is further driven to rotate, the four side walls of the workpiece are sprayed with paint through the paint spraying head, the electric push rod is started to drive the sliding block to move left and right on the sliding rail, the sliding block drives the fixing base to slide left and right, the paint spraying head moves left and right, and paint spraying processing is performed on the workpiece; after accomplishing the work piece is fixed, rotatory threaded rod No. two reciprocates, and then the right-hand member height of regulation fixed plate, rotatory threaded rod No. three reciprocates, and then the left end height of regulation fixed plate, and then the inclination of regulation fixed plate, it is parallel with the outer profile face of work piece with the axis of fixed plate, when the slider drives the fixing base and removes, the fixing base is inserted in No. two waist shape downtheholely through No. two pin levers, and then when the fixing base changes the height along the fixed plate slip, the fixing base promotes the bracing piece, the spring compresses tightly, finally realize that the first lateral surface of spraying paint is advanced in parallel to the work piece.

After adopting the structure, the invention has the beneficial effects that:

1. the first shaft seat is provided with a mounting seat through a first rotating shaft, the mounting seat is provided with a sleeve, the sleeve is provided with a first threaded rod, the first threaded rod is fixedly and quickly fixed, and a first threaded sleeve is driven to synchronously rotate through a meshed face gear and a straight gear, so that a workpiece to be machined and the first rotating shaft are controlled to be clamped with the same rotating shaft;

2. set up the slide rail on the support, slider on the slide rail passes through the stop collar activity and sets up the bracing piece, and the lower extreme of bracing piece is fixed and is set up the fixing base, fixes the paint spraying head on the fixing base, and then realizes the removal of paint spraying head, passes through No. two pin levers with the fixing base and is connected with No. two waist shape holes on the fixed plate, and the both ends of fixed plate set up to height-adjustable's structure, and then control paint spraying head and the tight work piece side of clamp and keep parallel operation, guarantee that the workpiece surface sprays paint evenly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a sectional view a-a in fig. 1.

Fig. 3 is a sectional view B-B in fig. 1.

Fig. 4 is an enlarged view of a portion C in fig. 1.

Fig. 5 is a schematic view of the internal structure of the sleeve of the present invention. .

Description of reference numerals:

the device comprises a base 1, a support 2, a workpiece clamping component 3, a first shaft seat 3-1, a first rotating shaft 3-2, a mounting seat 3-3, a motor 3-4, a sleeve 3-5, a first thread bush 3-6, a first threaded rod 3-7, a clamping block 3-8, a straight gear 3-9, an end face gear 3-10, a spray head adjusting component 4, a slide rail 4-1, a slide block 4-2, a limiting bush 4-3, a support rod 4-4, a stop block 4-5, a fixing seat 4-6, a spray painting head 4-7, an electric push rod 4-8, a second thread bush 5, a second threaded rod 6, a fixing plate 7, a second shaft seat 8, a third thread bush 9, a third threaded rod 10, a first pin rod 11, a first waist-shaped hole 12, a second pin rod 13, a second waist-shaped hole 14 and a second rotating shaft 15, The device comprises a supporting seat 16, a clamping plate 17, a fourth threaded rod 18, a spring 19, a guide rod 20, a bearing platform 21, a guide plate 22, a collecting hopper 23, a connecting rod 24, an inserting sleeve 25 and a baffle 26.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present embodiment includes a base 1, a support 2, a workpiece clamping assembly 3, and a nozzle adjusting assembly 4, wherein the workpiece clamping assembly 3 is riveted on the base 1, the support 2 is arranged at the rear side of the workpiece clamping assembly 3, the nozzle adjusting assembly 4 is riveted on the support 2, and the nozzle adjusting assembly 4 is erected above the workpiece clamping assembly 3;

the workpiece clamping assembly 3 comprises a first shaft seat 3-1, a first rotating shaft 3-2, a mounting seat 3-3, a sleeve 3-5, a first threaded sleeve 3-6, a first threaded rod 3-7 and a clamping block 3-8, wherein the right end of the upper surface of the base 1 is riveted with the first shaft seat 3-1, the first rotating shaft 3-2 is screwed on the first shaft seat 3-1 through a bearing, the left end of the first rotating shaft 3-2 is riveted with the mounting seat 3-3, the base 1 is riveted with a motor 3-4, the motor 3-4 is arranged on the right side of the first shaft seat 3-1, and the output end of the motor 3-4 is riveted at the right end of the first rotating shaft 3-2; a sleeve 3-5 is riveted on the mounting seat 3-3, a first threaded sleeve 3-6 is screwed on the side wall of the sleeve 3-5 through a bearing, a first threaded rod 3-7 is screwed in the first threaded sleeve 3-6 through a thread, a clamping block 3-8 is riveted at one end of the first threaded rod 3-7 positioned in the sleeve 3-5, the clamping block 3-8 is movably abutted against the left side wall of the mounting seat 3-3, an end face gear 3-10 is screwed on the sleeve 3-5 through a bearing sleeve, a straight gear 3-9 is fixedly sleeved on the first threaded sleeve 3-6, and the end face gear 3-10 is meshed with the straight gear 3-9;

the spray head adjusting assembly 4 comprises a slide rail 4-1, a slide block 4-2, a limiting sleeve 4-3, a support rod 4-4, a fixed seat 4-6 and a spray head 4-7, wherein the slide rail 4-1 is riveted on the bracket 2, the slide block 4-2 is arranged on the slide rail 4-1 in a sliding manner, the limiting sleeve 4-3 is riveted on the slide block 4-2, the upper end and the lower end of the limiting sleeve 4-3 are provided with openings, the support rod 4-4 is movably penetrated in the limiting sleeve 4-3, a stop block 4-5 is riveted at the upper end of the support rod 4-4, the fixed seat 4-6 is riveted at the lower end of the support rod 4-4, the spray head 4-7 is riveted on the fixed seat 4-6, the spray head 4-7 is connected with an external supply pipeline, and an electric push rod 4-8 is riveted on the, the output end of the electric push rod 4-8 is riveted on the slide block 4-2.

A second threaded sleeve 5 is screwed on the left side wall of the first shaft seat 3-1 through a bearing, the second threaded sleeve 5 is arranged above the mounting seat 3-3, a second threaded rod 6 is screwed in the second threaded sleeve 5 in a penetrating and threaded manner, a fixed plate 7 is screwed at the upper end of the second threaded rod 6 through a rotating shaft, a second shaft seat 8 is riveted at the left end of the upper surface of the base 1, a third threaded sleeve 9 is screwed at the upper end of the right side wall of the second shaft seat 8 through a bearing, a third threaded rod 10 is screwed in the third threaded sleeve 9 in a penetrating and threaded manner, a first pin rod 11 is riveted at the upper end of the third threaded rod 10, a first waist-shaped hole 12 is formed at the left end of the fixed plate 7, and the first pin rod 11 is movably penetrated in the first waist-shaped hole 12; a second pin rod 13 is riveted on the rear side wall of the fixed seat 4-6, a second waist-shaped hole 14 is formed in the fixed plate 7, and the second pin rod 13 is movably arranged in the second waist-shaped hole 14 in a penetrating manner;

a second rotating shaft 15 is rotatably arranged on the second shaft seat 8 through a bearing, the second rotating shaft 15 and the first rotating shaft 3-2 are coaxially arranged, a support seat 16 is riveted at the right end of the second rotating shaft 15, a clamping plate 17 is riveted on the right side wall of the support seat 16, a fourth threaded rod 18 is screwed on the clamping plate 17 in a penetrating and threaded manner, after the right end of the workpiece is fixed through the workpiece clamping assembly 3, the left end of the workpiece is erected on the support seat 16, the fourth threaded rod 18 is rotated to clamp and fix the left end of the workpiece, and when the sleeve 3-5 drives the right end of the workpiece to rotate, the left end of the workpiece is erected on the support seat 16, the support seat 16 rotates along with the workpiece, so that the stable movement posture of the left end of the workpiece is ensured, and the left end of the workpiece is; a spring 19 is sleeved on the supporting rod 4-4, the upper end of the spring 19 is riveted on the limiting sleeve 4-3, the lower end of the spring 19 is riveted on the fixed seat 4-6, the fixed seat 4-6 slides in a second waist-shaped hole 14 on the fixed plate 7 through a second pin rod 13, when the fixed seat 4-6 drives the supporting rod 4-4 to move up and down, the spring 19 is pressed tightly and pushes the fixed seat 4-6 downwards, and the second pin rod 13 abuts against the lower inner side wall of the second waist-shaped hole 14, so that the fixed seat 4-6 is prevented from shaking up and down in the operation process; a guide rod 20 is riveted on the base 1, the guide rod 20 is arranged between the first shaft seat 3-1 and the second shaft seat 8, a bearing platform 21 is arranged on the guide rod 20 in a sliding way, a guide plate 22 is riveted on the upper surface of the bearing platform 21, the right end of the guide plate 22 is arranged in a downward inclined manner, the paint spray head 4-7 is arranged above the guide plate 22, the bearing platform 21 is provided with a collecting hopper 23, the right end of the guide plate 22 is arranged above the collecting hopper 23, the bearing platform 21 is riveted with a connecting rod 24, the upper end of the connecting rod 24 is riveted on the fixed seat 4-6, when the fixed seat 4-6 moves left and right, the fixed seat 4-6 drives the bearing platform 21 to move synchronously through the connecting rod 24, the guide plate 22 is blocked below the paint spraying heads 4-7 to collect paint not covered on the workpiece and is collected and sent to the collecting hopper 23, and then redundant paint is collected in the spraying process; an inserting sleeve 25 is riveted on the left side edge of the sleeve 3-5, a baffle 26 is movably inserted in the inserting sleeve 25, after the right end of the workpiece is inserted into the sleeve 3-5 and fixed through the clamping block 3-8, the baffle 26 is inserted into the inserting sleeve 25, the baffle 26 abuts against the side wall of the workpiece, the left port of the sleeve 3-5 is covered, and therefore redundant paint in the spraying process is prevented from entering the sleeve 3-5.

The working principle of the specific embodiment is as follows: when the device works, a paint spraying head 4-7 in a spray head adjusting assembly 4 is connected with external paint supply equipment to supply paint, a workpiece to be processed is inserted into a sleeve 3-5 through the right end, a straight gear 3-9 is rotated, a first Roen I set is driven to rotate through a meshed face gear 3-10, a first threaded sleeve 3-6 pushes a first threaded rod 3-7, the first threaded rod 3-7 is driven to move as soon as possible through the first threaded rod 3-7, the workpiece in the sleeve 3-5 is clamped, and paint spraying processing is further carried out; during paint spraying, a motor 3-4 is started, a first rotating shaft 3-2 drives an installation seat 3-3 to rotate, further drives a workpiece to rotate, four side walls of the workpiece are sprayed with paint through a paint spraying head 4-7, an electric push rod 4-8 is started to drive a sliding block 4-2 to move left and right on a sliding rail 4-1, further the sliding block 4-2 drives a fixed seat 4-6 to slide left and right, further the paint spraying head 4-7 moves left and right, and the workpiece is sprayed with paint; after the workpiece is fixed, the second threaded rod 6 is rotated to move up and down, the height of the right end of the fixed plate 7 is adjusted, the third threaded rod 10 is rotated to move up and down, the height of the left end of the fixed plate 7 is adjusted, the inclination angle of the fixed plate 7 is adjusted, the axis of the fixed plate 7 is parallel to the outer contour surface of the workpiece, when the sliding block 4-2 drives the fixed seat 4-6 to move, the fixed seat 4-6 is inserted into the second waist-shaped hole 14 through the second pin rod 13, and when the fixed seat 4-6 slides along the fixed plate 7 to change the height, the fixed seat 4-6 pushes the support rod 4-4, the spring 19 is compressed, and finally the paint spraying head 4-7 moves parallel to the outer side surface.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the first shaft seat 3-1 is provided with a mounting seat 3-3 through a first rotating shaft 3-2, the mounting seat 3-3 is provided with a sleeve 3-5, the sleeve 3-5 is provided with a first threaded rod 3-7, the first threaded rod 3-7 is fixedly accelerated, a first threaded sleeve 3-6 is driven to synchronously rotate through a meshed face gear 3-10 and a straight gear 3-9, and a workpiece to be machined is controlled to be clamped with the first rotating shaft 3-2;

2. the support 2 is provided with a sliding rail 4-1, a sliding block 4-2 on the sliding rail 4-1 is movably provided with a supporting rod 4-4 through a limiting sleeve 4-3, the lower end of the supporting rod 4-4 is fixedly provided with a fixed seat 4-6, a paint spraying head 4-7 is fixed on the fixed seat 4-6, the paint spraying head 4-7 is moved, the fixed seat 4-6 is connected with a second waist-shaped hole 14 on a fixed plate 7 through a second pin 13, two ends of the fixed plate 7 are provided with height-adjustable structures, and the paint spraying head 4-7 is controlled to keep parallel operation with the side face of a clamped workpiece, so that the surface of the workpiece is uniformly sprayed with paint.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a regulation formula auto-parts anchor clamps that spray paint which characterized in that: the spray head adjusting device comprises a base (1), a support (2), a workpiece clamping component (3) and a spray head adjusting component (4), wherein the workpiece clamping component (3) is fixedly arranged on the base (1), the support (2) is arranged on the rear side of the workpiece clamping component (3), the spray head adjusting component (4) is fixedly arranged on the support (2), and the spray head adjusting component (4) is erected above the workpiece clamping component (3);

the workpiece clamping component (3) comprises a first shaft seat (3-1), a first rotating shaft (3-2), a mounting seat (3-3), a sleeve (3-5), a first thread bush (3-6), a first threaded rod (3-7) and a clamping block (3-8), wherein the first shaft seat (3-1) is fixedly arranged at the right end of the upper surface of the base (1), the first rotating shaft (3-2) is rotatably arranged on the first shaft seat (3-1) through a bearing, the mounting seat (3-3) is fixedly arranged at the left end of the first rotating shaft (3-2), the motor (3-4) is fixedly arranged on the base (1), the motor (3-4) is arranged at the right side of the first shaft seat (3-1), the output end of the motor (3-4) is fixedly arranged at the right end of the first rotating shaft (3-2); a sleeve (3-5) is fixedly arranged on the mounting seat (3-3), a first threaded sleeve (3-6) is arranged on the side wall of the sleeve (3-5) in a penetrating and screwing way through a bearing, a first threaded rod (3-7) is arranged in the first threaded sleeve (3-6) in a penetrating and screwing way, a clamping block (3-8) is fixedly arranged at one end of the first threaded rod (3-7) positioned in the sleeve (3-5), the clamping block (3-8) is movably abutted against the left side wall of the mounting seat (3-3), the sleeve (3-5) is rotatably connected with an end face gear (3-10) through a bearing sleeve, a first thread sleeve (3-6) is fixedly sleeved with a straight gear (3-9), and the end face gear (3-10) is meshed with the straight gear (3-9);

the spray head adjusting component (4) comprises a slide rail (4-1), a slide block (4-2), a limiting sleeve (4-3), a support rod (4-4), a fixing seat (4-6) and a spray head (4-7), wherein the slide rail (4-1) is fixedly arranged on the bracket (2), the slide block (4-2) is arranged on the slide rail (4-1) in a sliding manner, the limiting sleeve (4-3) is fixedly arranged on the slide block (4-2), openings are formed in the upper end and the lower end of the limiting sleeve (4-3), the support rod (4-4) is movably penetrated in the limiting sleeve (4-3), a stop block (4-5) is fixedly arranged at the upper end of the support rod (4-4), and the fixing seat (4-6) is fixedly arranged at the lower end of the support rod (4-, the fixed seat (4-6) is fixedly provided with a paint spraying head (4-7), the paint spraying head (4-7) is connected with an external supply pipeline, the bracket (2) is fixedly provided with an electric push rod (4-8), and the output end of the electric push rod (4-8) is fixedly arranged on the sliding block (4-2).

A second threaded sleeve (5) is arranged on the left side wall of the first shaft seat (3-1) in a rotating mode through a bearing, the second threaded sleeve (5) is arranged above the mounting seat (3-3), a second threaded rod (6) is connected in the second threaded sleeve (5) in a penetrating and rotating mode through a thread, a fixing plate (7) is arranged at the upper end of the second threaded rod (6) in a rotating mode through a rotating shaft, a second shaft seat (8) is fixedly arranged at the left end of the upper surface of the base (1), a third threaded sleeve (9) is arranged at the upper end of the right side wall of the second shaft seat (8) in a rotating mode through a bearing, a third threaded rod (10) is connected in the third threaded sleeve (9) in a penetrating and rotating mode through a thread, a first pin rod (11) is fixedly arranged at the upper end of the third threaded rod (10), a first waist-shaped hole (12) is formed in the left end of the fixing plate (7), and the; a second pin rod (13) is fixedly arranged on the rear side wall of the fixed seat (4-6), a second waist-shaped hole (14) is formed in the fixed plate (7), and the second pin rod (13) is movably arranged in the second waist-shaped hole (14) in a penetrating mode.

2. The adjustable auto-parts painting jig of claim 1, wherein: no. two axle beds (8) on be equipped with No. two axis of rotation (15) through the bearing soon, and No. two axis of rotation (15) and a axis of rotation (3-2) coaxial setting, the right-hand member of No. two axis of rotation (15) is fixed and is provided with supporting seat (16), fixed clamp plate (17) that is provided with on the right side wall of supporting seat (16), wear to establish the screw thread on clamp plate (17) and connect soon No. four threaded rod (18), after fixing the right-hand member of work piece through work piece centre gripping subassembly (3), the left end of work piece is erect on supporting seat (16), rotatory No. four threaded rod (18) are fixed with the left end clamp of work piece.

3. The adjustable auto-parts painting jig of claim 1, wherein: the supporting rod (4-4) is sleeved with a spring (19), the upper end of the spring (19) is fixedly arranged on a limiting sleeve (4-3), the lower end of the spring (19) is fixedly arranged on a fixing seat (4-6), the fixing seat (4-6) slides in a second waist-shaped hole (14) in a fixing plate (7) through a second pin rod (13), when the fixing seat (4-6) drives the supporting rod (4-4) to move up and down, the spring (19) compresses tightly and pushes the fixing seat (4-6) downwards, and then the second pin rod (13) abuts against the lower inner side wall of the second waist-shaped hole (14).

4. The adjustable auto-parts painting jig of claim 1, wherein: the guide rod (20) is fixedly arranged on the base (1), the guide rod (20) is arranged between the first shaft seat (3-1) and the second shaft seat (8), the guide rod (20) is provided with a bearing platform (21) in a sliding manner, a guide plate (22) is fixedly arranged on the upper surface of the bearing platform (21), the right end of the guide plate (22) is arranged in a downward inclined manner, the paint spray head (4-7) is arranged above the guide plate (22), the bearing platform (21) is provided with a collecting hopper (23), the right end of the guide plate (22) is arranged above the collecting hopper (23), the bearing platform (21) is fixedly provided with a connecting rod (24), the upper end of the connecting rod (24) is fixedly arranged on the fixing seat (4-6), when the fixing seat (4-6) moves left and right, the fixing seat (4-6) drives the bearing platform (21) to move synchronously through the connecting rod (24), and the guide plate (22) is blocked below the paint spraying heads (4-7) to collect paint which is not covered on the workpiece and is collected and sent into a collecting hopper (23).

5. The adjustable auto-parts painting jig of claim 1, wherein: an inserting sleeve (25) is fixedly arranged on the left side edge of the sleeve (3-5), a baffle plate (26) is movably inserted into the inserting sleeve (25), after the right end of a workpiece is inserted into the sleeve (3-5) and is fixed through the clamping block (3-8), the baffle plate (26) is inserted into the inserting sleeve (25), and then the baffle plate (26) abuts against the side wall of the workpiece to cover the left port of the sleeve (3-5).

6. The adjustable auto-parts painting jig of claim 1, wherein: the working principle is as follows: when the device works, a paint spraying head (4-7) in a spray head adjusting assembly (4) is connected with an external paint supply device to supply paint, a workpiece to be processed is inserted into a sleeve (3-5) through the right end, a straight gear (3-9) is rotated, a first Roen I set is driven to rotate through a meshed face gear (3-10), a first threaded sleeve (3-6) pushes a first threaded rod (3-7), and the first threaded rod (3-7) is driven to move as soon as possible, so that the workpiece in the sleeve (3-5) is clamped, and paint spraying processing is performed; during paint spraying, a motor (3-4) is started, a first rotating shaft (3-2) drives an installation seat (3-3) to rotate so as to drive a workpiece to rotate, four side walls of the workpiece are sprayed with paint through a paint spraying head (4-7), an electric push rod (4-8) is started to drive a sliding block (4-2) to move left and right on a sliding rail (4-1), then the sliding block (4-2) drives a fixed seat (4-6) to slide left and right, then the paint spraying head (4-7) moves left and right, and the workpiece is sprayed with paint; after the workpiece is fixed, the second threaded rod (6) is rotated to move up and down, the height of the right end of the fixing plate (7) is adjusted, the third threaded rod (10) is rotated to move up and down, the height of the left end of the fixing plate (7) is adjusted, the inclination angle of the fixing plate (7) is adjusted, the axis of the fixing plate (7) is parallel to the outer contour surface of the workpiece, when the sliding block (4-2) drives the fixing seat (4-6) to move, the fixing seat (4-6) is inserted into the second waist-shaped hole (14) through the second pin rod (13), when the fixing seat (4-6) slides along the fixing plate (7) to change the height, the fixing seat (4-6) pushes the support rod (4-4), the spring (19) is compressed, and finally the fact that the paint spraying head (4-7) moves, and rotating the workpiece for painting.