CN115672640A - Paint spraying device for automobile plates - Google Patents

Abstract

The invention discloses an automobile plate paint spraying device which comprises a spraying bin, wherein one side of the spraying bin is fixedly communicated with a drying bin, the bottom of the spraying bin is fixedly communicated with an absorption bin, a raw material conveying mechanism is arranged in the spraying bin in a rotating mode, the top wall of the spraying bin is fixedly provided with a plurality of spraying parts, the bottom of the spraying bin is fixedly provided with a plurality of tail gas absorption parts, the spraying parts and the tail gas absorption parts vertically correspond to each other, the bottom of the spraying bin is also fixedly provided with a plurality of lifting turnover parts, a finished product conveying mechanism is arranged in the drying bin in a rotating mode, one end of the finished product conveying mechanism is located in the drying bin, the other end of the finished product conveying mechanism is located in the spraying bin and vertically corresponds to the end part of the raw material conveying mechanism, a heating drying part is fixedly arranged at the bottom of the drying bin, and the finished product conveying mechanism vertically corresponds to the heating drying parts. The paint spraying device can improve the automation degree and the continuity of paint spraying and drying of the automobile plates, and can filter polluted gas in the paint spraying process to prevent harm to operators.

Description

A paint spraying device for automobile panels

technical field

The invention belongs to the technical field of auto parts processing, in particular to a paint spraying device for an auto plate.

Background technique

Auto parts are the various units that make up the whole car and a product that serves the car. Metal structural plates in auto parts need to be polished and painted during processing, which can not only increase their aesthetics, but also increase their corrosion resistance. After the painting of the board is completed, it needs to be heated and dried. In the existing production engineering, the painting and heating and drying processes of the board are independent of each other. After the painting is completed, it needs to be manually transferred to the heating and drying process for heating and drying, which reduces the production efficiency. At the same time, there is a risk of the board falling during the transfer process, which will affect the quality of the finished product. In addition, the existing painting production method does not have exhaust gas treatment equipment, and the harmful gas generated during the painting process is directly discharged into the atmosphere, which is harmful to the operation. The personal safety of personnel and air cleanliness will be adversely affected. Therefore, need to design a kind of automobile plate paint spraying device to solve the above problems.

Contents of the invention

The object of the present invention is to provide a kind of automobile panel paint spraying device, to solve the above problems, to achieve the purpose of improving the production quality of automobile panel paint spraying.

In order to achieve the above object, the present invention provides the following scheme: a paint spraying device for automobile panels, comprising a spraying chamber, one side of the spraying chamber is fixedly connected with a drying chamber, and the bottom of the spraying chamber is fixedly connected with an absorption chamber, and the spraying chamber A raw material transportation mechanism is installed in the bin, the top wall of the spraying bin is fixed with a number of spraying parts, and the bottom of the spraying bin is fixed with a number of tail gas absorbing parts, and the spraying parts correspond to the tail gas absorbing parts up and down. The bottom of the spraying bin is also fixed with a number of lifting and turning parts. The finished product transportation mechanism is installed in the drying bin. One end of the finished product transportation mechanism is located in the drying bin, and the other end of the finished product transportation mechanism is located in the The inside of the spraying bin corresponds up and down to the end of the raw material transportation mechanism, the bottom of the drying bin is fixedly equipped with a heating and drying part, and the finished product transportation mechanism corresponds up and down to the heating and drying part.

Preferably, the raw material conveying mechanism includes a first driving roller and a first driven roller, both of which are rotatably connected to the side wall of the spray booth, and the first driving roller, A first belt is wound around the outer side of the first driven roller, and a plurality of positioning parts are fixedly connected to the outer side of the first belt, and the positioning parts are arranged at equal intervals.

Preferably, the positioning part includes a connecting rod, one end of the connecting rod is fixedly connected to the outside of the first belt, the other end of the connecting rod is fixedly connected to a connecting seat, and the connecting seat is far away from the side of the connecting rod Positioning pins are fixedly connected to both ends, and the material fixing part is detachably connected to the positioning pins.

Preferably, the raw material fixing part includes a fixed clamp block, and a square blind hole is opened in the middle of one side of the fixed clamp block close to the inner wall of the spraying chamber, and two holes are respectively opened on the top wall and the bottom wall of the fixed clamp block. A positioning hole, the positioning hole is adapted to the positioning pin, and the bottom wall of the fixed clamp block is also provided with a clamping hole, and the clamping hole is adapted to the lifting and turning part.

Preferably, the lifting and turning part includes a sliding seat, the bottom end of the sliding seat is fixedly connected with the bottom wall of the spraying chamber, the top end of the sliding seat is provided with a stepped chute, and the lower end of the stepped chute is slidably provided with The first cylinder, the first cylinder is vertically arranged, the high end of the ladder chute is fixedly arranged with the second cylinder, the second cylinder is arranged horizontally, the piston end of the second cylinder is connected to the bottom of the outer wall of the first cylinder The piston end of the first cylinder is fixedly connected with a first motor, the output shaft of the first motor faces the connecting rod and is fixedly connected with a fixed rod, and the fixed rod is adapted to the clamping hole.

Preferably, the finished product transportation mechanism includes a second driving roller and a second driven roller, the second driving roller is rotatably connected to the side wall of the drying bin, and the second driven roller is connected to the side wall of the spraying bin The wall is rotatably connected, the second driven roller is located above the first driving roller, a second belt is wound around the outside of the second driving roller and the second driven roller, and the outside of the second belt is fixedly connected with Several finished product clamping parts, several said finished product clamping parts are arranged at equal intervals.

Preferably, the clamping part of the finished product includes a limit baffle and a positioning base, the limit baffle and the positioning base are oppositely arranged, one end of the limit baffle is fixedly connected to the outside of the second belt, and the positioning One end of the base is fixedly connected to the outside of the second belt, and the other end of the positioning base is fixedly connected to a third cylinder, and the piston end of the third cylinder faces the limiting baffle and fits into the clamping hole.

Preferably, the spraying part includes a second motor, the second motor is fixedly connected to the top wall of the spraying chamber, the output shaft of the second motor is fixedly connected to one end of a lead screw, and the other end of the lead screw is rotatably connected to a A fixed seat, the end of the fixed seat is fixedly connected with the top wall of the spraying chamber, the screw is threaded with a slider, the top of the slider is in sliding contact with the top wall of the spraying chamber, and the bottom of the slider is The end of the fourth cylinder is fixedly connected with a fourth cylinder, and the piston end of the fourth cylinder is fixedly connected with a paint spray gun. The other end of the hose passes through the top of the spray booth and communicates with the spray gun.

Preferably, the heating and drying part includes two support rods, the bottom ends of the support rods are fixedly connected to the bottom wall of the drying chamber, and the top ends of the two support rods are fixedly connected to a heating plate, and the heating plate A plurality of ventilation holes are opened on the top, and a plurality of heating fans are arranged under the heating plate, and the plurality of heating fans are fixedly connected with the bottom wall of the drying bin.

Preferably, the exhaust gas absorbing part includes an air collecting funnel, the air collecting funnel is located under the first belt, the small mouth end of the air collecting funnel passes through the bottom wall of the spraying chamber and is fixedly connected to one end of the exhaust pipe, The other end of the exhaust pipe extends below the liquid level of the absorption liquid in the absorption bin, and an exhaust fan is arranged on the exhaust pipe.

The present invention has following technical effect:

The raw material transportation mechanism provided by the present invention can continuously and uninterruptedly carry and transport the automobile panels to be painted. After the automobile panels are fixed on the raw material transportation mechanism, the raw material transportation mechanism drives the panels to move forward. One side is sprayed. After the painting is completed, the plate continues to move forward to the top of the first lifting and turning part. The lifting and turning part lifts the plate and turns it over. After the painting is completed, the second lifting and turning part lifts the plate and turns it 90°. After the turning is completed, it is transferred to the finished product transportation mechanism and transported to the drying bin for drying. The heating and drying part can speed up the drying of the spray paint. Hard speed, the exhaust gas collection part can absorb the air mixed with paint impurities generated during the spraying process, and introduce the air into the absorption chamber for filtering and removing impurities to ensure that the exhausted gas does not pollute the air.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is a schematic diagram of the internal structure of the present invention;

Fig. 2 is the structural representation of raw material transportation mechanism of the present invention;

Fig. 3 is a structural schematic diagram of the product transportation mechanism of the present invention;

Fig. 4 is a structural schematic diagram of the lifting and turning part of the present invention;

Fig. 5 is the schematic diagram of the structure of the spraying part of the present invention;

Fig. 6 is a cross-sectional view of the fixing clamp block of the present invention;

Fig. 7 is a schematic structural diagram of Embodiment 2 of the present invention.

Among them, 1. Spraying bin; 2. Drying bin; 3. Absorbing bin; 4. First driving roller; 5. First driven roller; 6. First belt; 7. Connecting rod; 8. Connecting seat; 9 , positioning pin; 10, fixed clamp block; 11, square blind hole; 12, positioning hole; 13, clamping hole; 14, slide seat; 15, first cylinder; 16, first motor; 17, fixed rod; 18 , ladder chute; 19, second cylinder; 20, second driving roller; 21, second driven roller; 22, second belt; 23, limit baffle; 24, positioning base; 25, third cylinder; 26. The second motor; 27. Lead screw; 28. Fixed seat; 29. Slider; 30. Paint storage bin; 31. Connecting hose; 32. The fourth cylinder; 33. Paint spray gun; 34. Gathering funnel; 35, exhaust pipe; 36, exhaust fan; 37, absorption liquid; 38, support rod; 39, heating plate; 40, ventilation hole; 41, heating fan; 42, baffle plate; 43, feed hole; 44, 45, discharge hole; 46, exhaust hole; 47, accommodation groove; 48, spring; 49, positioning ball; 50, arc groove.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one:

Referring to Figures 1-6, this embodiment provides a paint spraying device for automobile panels, including a spraying chamber 1, a drying chamber 2 is fixedly connected to one side of the spraying chamber 1, and an absorption chamber 3 is fixedly connected to the bottom of the spraying chamber 1, and the inside of the spraying chamber 1 The rotation is provided with a raw material transport mechanism, the top wall of the spraying chamber 1 is fixedly provided with several spraying parts, the bottom of the spraying chamber 1 is fixedly provided with a number of tail gas absorbing parts, the spraying part corresponds to the exhaust gas absorbing part up and down, and the bottom of the spraying chamber 1 is also fixedly provided with several lifters. Upturning part, the drying chamber 2 is rotated with a finished product transportation mechanism, one end of the finished product transportation mechanism is located in the drying chamber 2, the other end of the finished product transportation mechanism is located in the spraying chamber 1 and corresponds to the top and bottom of the raw material transportation mechanism, and the drying chamber 2 The inner bottom is fixedly equipped with a heating and drying part, and the finished product transportation mechanism corresponds to the heating and drying part up and down.

The set raw material transportation mechanism can continuously carry and transport the automobile sheet to be painted. After the automobile sheet is fixed on the raw material transportation mechanism, the raw material transportation mechanism drives the sheet to move forward. When it moves to the bottom of the first painting part, one side of the sheet is Spray painting, after the painting is completed, the board continues to move forward to the top of the first lifting and turning part, the lifting and turning part lifts the board and turns it over, and after the turning is completed, the second painting part sprays the other side of the board, painting both sides After the completion, the second lifting and turning part lifts the plate and turns it 90°. After the turning is completed, it is transferred to the finished product transportation mechanism and transported to the drying bin 2 for drying. The heating and drying part can speed up the drying and hardening of the spray paint Speed, the set exhaust gas collection part can absorb the air mixed with paint impurities generated during the spraying process, and guide the air into the absorption chamber 3 to filter and remove impurities, so as to ensure that the discharged gas does not pollute the air.

In a further optimization scheme, the raw material transportation mechanism includes a first driving roller 4 and a first driven roller 5, both of which are rotatably connected to the side wall of the spraying chamber 1, and the first driving roller 4 and the first driven roller 5 A first belt 6 is wound around the outer side of a driven roller 5, and a plurality of positioning parts are fixedly connected to the outer side of the first belt 6. The positioning parts are arranged at equal intervals, and a raw material fixing part is detachably installed on the top of the positioning part.

Further, a feeding hole 43 is opened on the top wall of the spraying chamber 1 , and a baffle 42 is fixedly arranged on the side of the bottom of the feeding hole 43 close to the painting part.

At first the raw material fixing part is fixed on the two ends of the automobile plate, then the automobile plate is installed on the positioning part of the first belt 6 through the feed hole 43, and the power source (not shown in the figure) drives the first drive roller 4 to rotate, The first belt 6 advances and transports the automobile panels to the bottom of the painting department, and the painting department begins to spray paint the automobile panels.

To further optimize the solution, the positioning part includes a connecting rod 7, one end of the connecting rod 7 is fixedly connected to the outside of the first belt 6, and the other end of the connecting rod 7 is fixedly connected to a connecting seat 8, and the two ends of the connecting seat 8 on the side away from the connecting rod 7 are respectively fixed A positioning pin 9 is connected, and the raw material fixing part is detachably connected with the positioning pin 9 .

To further optimize the scheme, the raw material fixing part includes a fixed clamp block 10, a square blind hole 11 is opened in the middle of the side wall of the fixed clamp block 10 close to the inner wall of the spraying chamber 1, and two positioning holes are respectively opened on the top wall and the bottom wall of the fixed clamp block 10 12. The positioning hole 12 is compatible with the positioning pin 9, and the bottom wall of the fixed clamp block 10 is also provided with a clamping hole 13, and the clamping hole 13 is compatible with the lifting and turning part.

Two fixing clips 10 are respectively clamped on the two ends of the automobile panel, and the side wall of the fixing clip 10 can be provided with a fixing groove to fix the automobile sheet. The shape of the fixing groove is made according to the shape of the two ends of the automobile sheet to ensure that the The stability of the plate clamping, after fixing the car plate, align the positioning pin 9 with the positioning hole 12 and insert it. After the insertion is in place, the fixing of the car plate on the first belt 6 is completed. Setting two positioning pins 9 can improve the car plate. fixed stability.

Further optimization scheme, the lifting and turning part includes a sliding seat 14, the bottom end of the sliding seat 14 is fixedly connected with the bottom wall of the spraying chamber 1, the top of the sliding seat 14 is provided with a stepped chute 18, and the lower end of the stepped chute 18 is slidably provided with a first cylinder 15. The first cylinder 15 is vertically arranged, the high end of the ladder chute 18 is fixedly provided with the second cylinder 19, the second cylinder 19 is arranged horizontally, the piston end of the second cylinder 19 is fixedly connected with the bottom end of the outer wall of the first cylinder 15, and the first The piston end of the cylinder 15 is fixedly connected with a first motor 16 , the output shaft of the first motor 16 faces the connecting rod 7 and is fixedly connected with a fixed rod 17 , and the fixed rod 17 is adapted to the clamping hole 13 .

After one side of the automobile plate is painted, it is transported to the top of the first motor 16 along with the first belt 6, and the first cylinder 15 is stretched out, so that the fixing rod 17 rises to the same height as the square blind hole 11, and then the second cylinder 19 shrinks to drive the first motor. One cylinder 15 moves, and the fixed rod 17 is inserted into the square blind hole 11, and then the first cylinder 15 continues to extend, so that the positioning pin 9 is separated from the positioning hole 12, and then the first motor 16 works to drive the fixed rod 17 to rotate, and then drives the vehicle The plate turns over 180°, and then the overturned car plate is re-fixed on the first belt 6, and continues to move to the next painting department.

In a further optimization scheme, the finished product transportation mechanism includes a second driving roller 20 and a second driven roller 21, the second driving roller 20 is rotatably connected to the side wall of the drying chamber 2, and the second driven roller 21 is rotatably connected to the side wall of the spraying chamber 1 , the second driven roller 21 is located above the first driving roller 4, the second driving roller 20 and the second driven roller 21 are jointly wound with a second belt 22, and the outer side of the second belt 22 is fixedly connected with a number of clamping parts for finished products , several finished product clamping parts are set at equal intervals.

After both sides of the car sheet are painted, move to the top of the second lifting and turning part, and the first cylinder 15 of the second lifting and turning part stretches out, so that the fixing rod 17 rises to the same height as the square blind hole 11, Then the second cylinder 19 shrinks, drives the first cylinder 15 to move, inserts the fixed rod 17 into the square blind hole 11, and then the first cylinder 15 continues to stretch out, so that the positioning pin 9 is separated from the positioning hole 12, and then the first motor 16 works Drive the fixed rod 17 to rotate, and then drive the automobile plate to turn over 90°, and then the first cylinder 15 continues to extend, so that the fixed clamp block 10 rises to the position of the clamping part of the finished product, and the clamping part of the finished product clamps the fixed clamp block 10 hold.

Further optimize the scheme, the clamping part of the finished product includes a limit baffle 23 and a positioning base 24, the limit baffle 23 and the positioning base 24 are arranged oppositely, one end of the limit baffle 23 is fixedly connected to the outside of the second belt 22, and one end of the positioning base 24 It is fixedly connected with the outside of the second belt 22 , and the other end of the positioning base 24 is fixedly connected with the third cylinder 25 , the piston end of the third cylinder 25 faces the limit baffle 23 and fits with the clamping hole 13 .

Further, the upper part of the side wall of the spraying chamber 1 close to the drying chamber 2 is provided with a connecting through hole 44, which facilitates the transfer of the painted automobile panels to the drying chamber 2 for heating and drying.

When clamping the fixed clip 10, the piston end of the third cylinder 25 stretches out, is inserted into the clamping hole 13, and continues to protrude until the fixed clip 10 is pushed against the side wall of the limit baffle 23, and the fixed clip is completed. Hold, then move forward with the second belt 22 into the drying chamber 2 for heating and drying.

In a further optimization scheme, the spraying part includes a second motor 26, the second motor 26 is fixedly connected to the top wall of the spraying chamber 1, the output shaft of the second motor 26 is fixedly connected to one end of a lead screw 27, and the other end of the lead screw 27 is rotatably connected to a fixed seat 28 , the end of the fixed seat 28 is fixedly connected with the top wall of the spraying chamber 1, the screw 27 is threadedly connected with a slider 29, the top of the slider 29 is in sliding contact with the top wall of the spraying chamber 1, and the bottom end of the slider 29 is fixedly connected with the fourth cylinder 32. The piston end of the fourth cylinder 32 is fixedly connected to the paint spray gun 33, and the top of the outer side of the spraying chamber 1 is fixedly connected to the paint storage bin 30, and the outlet of the paint storage bin 30 is connected to one end of the connecting hose 31, and the other end of the connecting hose 31 passes through the spraying chamber. The top of the bin 1 is in communication with the paint spray gun 33.

Add the prepared paint into the paint storage bin 30, and then control the paint spray gun 33 to start spraying paint. During the painting process, the second motor 26 works to drive the lead screw 27 to rotate continuously, and the slider 29 moves on the lead screw 27 to drive the paint spray gun. 33 moves, and the car plate is carried out comprehensive painting, and the paint in the paint storage bin 30 continuously enters into the spray gun 33 to spray through the connecting hose 31, and is sprayed onto the surface of the car plate.

To further optimize the scheme, the heating and drying part includes two support rods 38, the bottom ends of the support rods 38 are fixedly connected to the bottom wall of the drying chamber 2, and the top ends of the two support rods 38 are fixedly connected to a heating plate 39, and a heating plate 39 is provided on the heating plate 39. A plurality of ventilation holes 40, a plurality of heating fans 41 are arranged below the heating plate 39, and a plurality of heating fans 41 are fixedly connected with the bottom wall of the drying bin 2.

When the clamped and fixed automobile sheet is transferred to the top of the heating plate 39 in the drying chamber 2 along with the second belt 22, the heating plate 39 is heated to generate heat, and the heating fan 41 rotates to blow the air with heat onto the surface of the automobile sheet , to speed up the sensing speed of the paint.

Furthermore, a discharge hole 45 is opened on the side wall of the drying chamber 2 away from the spraying chamber 1 , and the heated and dried automobile panels are taken out from the discharge hole 45 .

To further optimize the scheme, the tail gas absorbing part includes an air collecting funnel 34, which is located below the first belt 6, and the small mouth end of the air collecting funnel 34 passes through the bottom wall of the spraying chamber 1 and is fixedly connected to one end of the exhaust pipe 35, and the exhaust pipe The other end of 35 extends below the liquid level of the absorption liquid 37 in the absorption chamber 3 , and the exhaust pipe 35 is provided with an exhaust fan 36 .

Further, an exhaust hole 46 is opened on the top of the side wall of the absorption bin 3 .

Turn on the exhaust fan 36 during the painting process, the exhaust fan 36 collects the paint gas that escapes into the air into the air collecting funnel 34, and then introduces it into the absorbing liquid 37 through the exhaust pipe 35, and the absorbing liquid 37 absorbs and filters the paint gas , the filtered air is exhausted to the outside through the exhaust hole 46 .

Embodiment two:

With reference to Fig. 7, the difference between the present embodiment and the first embodiment is that the middle part of the positioning pin 9 is provided with a receiving groove 47, the side wall of the receiving groove 47 is fixedly connected with one end of a spring 48, and the other end of the spring 48 is fixedly connected with a positioning ball 49, and the positioning ball 49 is in sliding contact with the side wall of the receiving groove 47, and the side wall of the positioning hole 12 is provided with an arc-shaped groove 50, and the positioning ball 49 is adapted to the arc-shaped groove 50.

In this embodiment, after the positioning pin 9 is inserted into the positioning hole 12 , the positioning ball 49 snaps into the arc-shaped groove 50 under the elastic force of the spring 48 to improve the fixing stability of the fixing clip 10 .

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those skilled in the art may make various Variations and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (10)

1. A paint spraying device for automobile panels, characterized in that, comprising a spraying bin (1), one side of the spraying bin (1) is fixedly connected with a drying bin (2), and the bottom of the spraying bin (1) is fixedly connected with a The absorption chamber (3), the spraying chamber (1) is provided with a raw material transportation mechanism, the top wall of the spraying chamber (1) is fixed with a number of spraying parts, and the bottom of the spraying chamber (1) is fixed with a number of exhaust gas Absorbing part, the spraying part corresponds to the tail gas absorbing part up and down, the bottom of the spraying chamber (1) is also fixed with a number of lifting and turning parts, and the drying chamber (2) is rotatably provided with a finished product transport mechanism, One end of the finished product transport mechanism is located in the drying bin (2), the other end of the finished product transport mechanism is located in the spray coating bin (1) and corresponds up and down to the end of the raw material transport mechanism, and the drying bin (2) The inner bottom is fixedly equipped with a heating and drying part, and the finished product transportation mechanism corresponds to the heating and drying part up and down. 2. a kind of automobile panel paint spraying device according to claim 1, is characterized in that, described raw material transportation mechanism comprises the first driving roller (4), the first driven roller (5), and described first driving roller ( 4), the first driven roller (5) is rotatably connected with the side wall of the spraying chamber (1), and the outer side of the first driving roller (4) and the first driven roller (5) are jointly wound with a first The belt (6), the outer side of the first belt (6) is fixedly connected with a plurality of positioning parts, the positioning parts are arranged at equal intervals, and the top of the positioning part is detachably mounted with a material fixing part. 3. A paint spraying device for automobile panels according to claim 2, characterized in that the positioning part comprises a connecting rod (7), and one end of the connecting rod (7) is fixed to the outside of the first belt (6) connection, the other end of the connecting rod (7) is fixedly connected with a connecting seat (8), and the two ends of the connecting seat (8) away from the connecting rod (7) are respectively fixedly connected with positioning pins (9), The raw material fixing part is detachably connected with the positioning pin (9). 4. A paint spraying device for automobile panels according to claim 3, characterized in that, the raw material fixing part comprises a fixing clamp (10), and the fixing clamp (10) is close to the inner side of the spraying chamber (1) A square blind hole (11) is provided in the middle part of one side of the wall, and two positioning holes (12) are respectively provided in the top wall and the bottom wall of the fixed clip (10), and the positioning hole (12) and the positioning pin Adapting to (9), the bottom wall of the fixed clamping block (10) is also provided with a clamping hole (13), and the clamping hole (13) is compatible with the lifting and turning part. 5. A kind of automobile panel paint spraying device according to claim 4, characterized in that, the lifting and turning part comprises a sliding seat (14), and the bottom end of the sliding seat (14) is connected with the spraying chamber (1) The bottom wall is fixedly connected, the top of the slide seat (14) is provided with a stepped chute (18), and the lower end of the stepped chute (18) is slidably provided with a first cylinder (15), and the first cylinder (15) Vertically arranged, the high end of the ladder chute (18) is fixedly provided with a second cylinder (19), the second cylinder (19) is horizontally arranged, and the piston end of the second cylinder (19) is connected to the first cylinder (15) The bottom end of the outer side wall is fixedly connected, and the piston end of the first cylinder (15) is fixedly connected with a first motor (16), and the output shaft of the first motor (16) faces the connecting rod (7) and is fixed A fixed rod (17) is connected, and the fixed rod (17) is adapted to the clamping hole (13). 6. a kind of automobile panel paint spraying device according to claim 4, is characterized in that, described finished product transportation mechanism comprises the second driving roller (20), the second driven roller (21), and described second driving roller ( 20) is rotatably connected with the side wall of the drying chamber (2), the second driven roller (21) is rotatably connected with the side wall of the spraying chamber (1), and the second driven roller (21) is located at Above the first driving roller (4), a second belt (22) is wound around the outside of the second driving roller (20) and the second driven roller (21), and the outer side of the second belt (22) A plurality of finished product clamping parts are fixedly connected, and the plurality of finished product clamping parts are arranged at equal intervals. 7. A kind of automobile panel paint spraying device according to claim 6, characterized in that, the clamping part of the finished product comprises a limit baffle (23), a positioning base (24), and the limit baffle (23) 1. The positioning base (24) is relatively arranged, and one end of the limit baffle (23) is fixedly connected to the outside of the second belt (22), and one end of the positioning base (24) is connected to the outside of the second belt (22). Fixedly connected, the other end of the positioning base (24) is fixedly connected with a third cylinder (25), and the piston end of the third cylinder (25) faces the limit baffle (23) and is connected with the clamping hole ( 13) Matching. 8. A kind of automobile sheet metal spraying device according to claim 1, is characterized in that, described spraying part comprises second motor (26), and described second motor (26) and described spraying cabin (1) top wall Fixedly connected, the output shaft of the second motor (26) is fixedly connected to one end of a lead screw (27), the other end of the lead screw (27) is rotatably connected to a fixed seat (28), and the end of the fixed seat (28) It is fixedly connected with the top wall of the spraying chamber (1), the screw (27) is screwed with a slider (29), and the top of the slider (29) is in sliding contact with the top wall of the spraying chamber (1) , the bottom end of the slider (29) is fixedly connected with a fourth cylinder (32), the piston end of the fourth cylinder (32) is fixedly connected with a paint spray gun (33), and the top of the outside of the spray chamber (1) is fixedly connected There is a paint storage bin (30), the outlet of the paint storage bin (30) is connected with one end of a connecting hose (31), and the other end of the connecting hose (31) passes through the top of the spraying bin (1) and connects with the The above-mentioned paint spray gun (33) is communicated. 9. A kind of paint spraying device for automobile panels according to claim 6, characterized in that, the heating and drying part comprises two support rods (38), and the bottom ends of the support rods (38) are connected to the drying chamber (2) The bottom wall is fixedly connected, and the tops of the two support rods (38) are fixedly connected with a heating plate (39), and the heating plate (39) is provided with some ventilation holes (40), and the heating plate ( 39) Several heating fans (41) are arranged below, and several of the heating fans (41) are fixedly connected with the bottom wall of the drying chamber (2). 10. A kind of automobile panel paint spraying device according to claim 2, characterized in that, the exhaust gas absorbing part comprises an air collecting funnel (34), and the air collecting funnel (34) is located on the first belt (6) Below, the small mouth end of the air collecting funnel (34) passes through the bottom wall of the spraying chamber (1) and is fixedly connected with one end of an exhaust pipe (35), and the other end of the exhaust pipe (35) extends into the absorption chamber. Below the liquid level of the absorption liquid (37) in the chamber (3), an exhaust fan (36) is arranged on the exhaust pipe (35).

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