Automatic continuous paint spraying device for end face of wood workpiece

Abstract

The invention relates to the technical field of wood paint spraying, in particular to a wood workpiece end face automatic continuous paint spraying device which comprises a conveying belt used for conveying a workpiece body, the conveying belt is provided with an adjusting module used for adjusting the position of the workpiece body, and the adjusting module comprises a centering assembly and a positioning assembly. And the positioning assembly comprises two clamping rods used for clamping the workpiece body, a paint spraying assembly with the adjustable position is arranged on one side of each clamping rod, and the paint spraying assembly is used for reducing the spraying distance between the paint spraying assembly and the workpiece body. According to the device, the position of a workpiece body is adjusted to the middle of the conveying belt through synchronous clamping, a clamping rod is clamped, meanwhile, a longitudinal adjusting rod and a longitudinal spraying rod are driven to synchronously get close to or get away from a workpiece, the distance between the workpiece and the spraying rod is adjusted, and the situation that the spraying effect is not ideal due to the large distance is avoided; and when a workpiece is encountered, the spraying position of the transverse spraying rod can be adjusted in time along with the outline of the workpiece, so that a better spraying effect is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of wood spray painting, and in particular to an automatic continuous spray painting device for the end surface of a wood workpiece. Background Art

[0002] An automatic continuous painting device for the end face of a wood workpiece can continuously paint the end face of the workpiece, avoiding the discontinuity of manual painting. It is usually set in a relatively fixed position and processes the end face of the workpiece through a conveyor belt, so that multiple workpieces can be sprayed continuously.

[0003] During the spraying process, the multi-nozzle spray pipe may need to spray multiple end faces of the workpiece at a fixed height and fixed width. The settings of fixed height and fixed width can increase the spraying range and ensure comprehensive spraying. However, when the nozzle is far away from the workpiece, the paint is scattered a lot, and because the paint mist particles run in the atmosphere for too long, the diluent evaporates too much, the paint film surface is rough, the paint loss is large, and the coating thickness is too thin, affecting the spraying effect; at the same time, when the workpiece is small, during the spraying process of the multi-nozzle spray pipe, there may be multiple nozzles that cannot spray to the end face of the workpiece, resulting in a waste of paint. When using the same quality of paint, the number of workpieces after painting may be reduced, resulting in a waste of spray paint and increased production costs.

[0004] Therefore, it is necessary to invent a kind of automatic continuous spraying device for wood workpiece end face to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic continuous painting device for the end surface of a wood workpiece, which can achieve a better spraying range by controlling the distance between the nozzle and the workpiece. While adjusting the spraying range, the nozzle working in the air is controlled, and the purpose of saving paint materials is achieved by closing the nozzle facing the air.

[0006] To achieve this object, the present invention adopts the following technical solutions: Provided is an automatic continuous paint spraying device for the end face of a wood workpiece, comprising a conveyor belt for conveying a workpiece body, the conveyor belt being equipped with an adjustment module for adjusting the position of the workpiece body, the adjustment module comprising a centering component for synchronously sliding inward or outward and a positioning component for clamping the workpiece body, the positioning component comprising two clamping rods for clamping the workpiece body, one side of the clamping rod being provided with a position-adjustable paint spraying component, the paint spraying component being used to reduce the spraying distance between the workpiece body and the paint spraying component, the interior of the paint spraying component being provided with a paint spraying conveying module, the paint spraying conveying module being used to spray the end face of the workpiece body, the paint spraying conveying module comprising a push-type valve for controlling the flow of paint, the paint spraying component The parts include a transverse spray rod and a longitudinal spray rod, the push-type valve is arranged inside the transverse spray rod and the longitudinal spray rod, a button for closing the pipeline by pressing is arranged on one side of the push-type valve, a longitudinal adjustment rod is arranged on one side of the longitudinal spray rod, a transverse adjustment slider and a longitudinal adjustment slider are arranged on one side of the longitudinal adjustment rod, the transverse adjustment slider is used to press the button in the transverse spray rod, the longitudinal adjustment slider is used to press the button in the longitudinal spray rod, a longitudinal adjustment component for adjusting the sliding direction of the transverse spray rod is arranged at the top of the conveyor belt, the longitudinal adjustment component includes longitudinal guide blocks installed on both sides of the conveyor belt, and the longitudinal guide blocks are used for the transverse spray rod to slide along the longitudinal direction.

[0007] As a preferred solution of an automatic continuous paint spraying device for the end face of a wood workpiece, the paint spraying delivery module also includes a spraying pipe, a multi-nozzle pipe and a nozzle body, one end of the spraying pipe is connected to the paint delivery pipe, and multiple water outlets of the spraying pipe are threadedly connected to the push-type valve, the multi-nozzle pipe is connected to the spraying pipe through the push-type valve, and multiple nozzle bodies are installed on one side of the multi-nozzle pipe, and the end faces of multiple buttons extend to the outside of the transverse spraying rod or the longitudinal spraying rod, a transverse slide groove is provided on the outside of the transverse spraying rod, and a longitudinal slide groove 2 is provided on the outside of the longitudinal spraying rod, the transverse adjustment slider is located inside the transverse slide groove and slides, and the longitudinal adjustment slider is located inside the longitudinal slide groove 2 and slides, and the sides of the longitudinal adjustment slider and the transverse adjustment slider are provided with arc end faces, and the arc end faces are used to press the button, and when the button is pressed, the corresponding nozzle body is closed.

[0008] As a preferred solution for an automatic continuous paint spraying device for the end face of a wood workpiece, a longitudinal slide groove 1 is provided on one side of the longitudinal adjustment rod, one side of the transverse adjustment slider extends to the interior of the longitudinal slide groove 1 and is fixedly connected with an extension slider, the extension slider is slidably connected to the longitudinal slide groove 1, the bottom end of the extension slider is fixedly connected with a synchronous extension rod, the end face of the synchronous extension rod extends to the interior of the longitudinal slide groove 2 and is fixedly connected to the longitudinal adjustment slider, a transverse through groove is provided at the bottom end of the transverse spraying rod, and the synchronous extension rod is located in the interior of the transverse through groove and is slidably connected; when the longitudinal adjustment rod slides inward synchronously, the transverse adjustment sliders on both sides slide inward synchronously to close the corresponding nozzle body.

[0009] As a preferred solution for an automatic continuous paint spraying device for the end face of a wood workpiece, the positioning assembly also includes a positioning mounting block, a synchronous connecting rod and a synchronous connecting block. The positioning mounting block can be detachably mounted on the top ends of both sides of the conveyor belt. The synchronous connecting rod is slidably connected to the positioning mounting block and is provided in multiple numbers. The end face of the synchronous connecting rod is fixedly connected to the clamping rod. The centering assembly includes multiple longitudinal connecting columns arranged longitudinally. The bottom end of the synchronous connecting block is fixedly connected to the multiple longitudinal connecting columns. When the synchronous connecting blocks on both sides slide inward synchronously, the longitudinal adjustment rod and the longitudinal spraying rod slide inward synchronously.

[0010] As a preferred solution of an automatic continuous paint spraying device for the end face of a wood workpiece, the longitudinal adjustment component also includes a guide wheel 1, a guide bevel, a mounting shaft and a guide wheel 2. A guide limit block is provided at the bottom end of the transverse through groove, and longitudinal guide rods are provided on both sides of the transverse spraying rod. The longitudinal guide rod is slidably connected with the longitudinal guide block. Multiple guide wheels 1 are detachably mounted on the bottom end of the guide limit block, one side of the guide bevel is fixedly connected with the longitudinal guide rod, multiple mounting shafts are fixedly mounted on the bottom end of the bevel of the guide bevel, and multiple guide wheels 2 are sleeved on the outside of the mounting shaft. The part where the guide bevel is connected to the longitudinal guide rod is provided with a through groove for the longitudinal adjustment rod to slide. When the guide wheel 1 contacts the workpiece body, it synchronously drives the longitudinal guide rod and the transverse spraying rod to slide longitudinally. When the transverse spraying rod slides longitudinally, the synchronous extension rod drives the longitudinal adjustment slider to slide longitudinally.

[0011] As a preferred solution of an automatic continuous paint spraying device for the end face of a wood workpiece, the centering component includes a horizontal pushing mechanism and a synchronous pushing mechanism, the horizontal pushing mechanism includes a slide rail one, a synchronous slide plate and a telescopic cylinder, the two slide rails one are detachably mounted on the bottom end of the conveyor belt, the two slide rails one are parallel to each other and perpendicular to the conveyor belt, the synchronous slide plates are arranged at both ends of the slide rail one, the synchronous slide plates are fixedly connected to a plurality of longitudinal connecting columns, the two telescopic cylinders are fixedly mounted on the bottom of the conveyor belt, and the telescopic ends of the telescopic cylinders are fixedly connected to the synchronous slide plates on one side.

[0012] As a preferred solution of an automatic continuous paint spraying device for the end face of a wood workpiece, the synchronous pushing mechanism includes a rotating connecting block, a swing connecting shaft, a bottom mounting plate and a rotating shaft. The rotating connecting block is arranged at the top end of the bottom mounting plate, and the middle part of the rotating connecting block is rotatably connected with the rotating shaft. The swing connecting shaft is rotatably installed on both sides of the rotating connecting block and is respectively hinged to the synchronous slide plate. The bottom mounting plate is detachably installed on the bottom end of slide rail one, and the rotating shaft is installed in the middle part of the rotating connecting block.

[0013] As a preferred solution of an automatic continuous painting device for the end surface of a wood workpiece, the synchronous connection block is provided with an air avoidance groove, and the air avoidance groove is used to avoid interference with the sliding of the longitudinal guide rod.

[0014] As a preferred solution for an automatic continuous painting device for the end surface of a wood workpiece, the bottom ends of the longitudinal spray rod and the longitudinal adjustment rod are commonly connected to a bottom connecting block, one side of the bottom connecting block is detachably connected to the clamping rod, and the other side of the bottom connecting block is fixedly connected to a plurality of synchronous connecting rods, and the bottom end of the bottom connecting block does not contact the conveyor belt.

[0015] The beneficial effects of the present invention are as follows: the position of the workpiece body is adjusted to the middle of the conveyor belt through synchronous clamping, and the distance between the workpiece and the spray rod is adjusted by driving the longitudinal adjustment rod and the longitudinal spray rod to synchronously approach or move away from the workpiece while clamping the clamping rod, so as to avoid unsatisfactory spraying effect due to large spacing. Through the setting of the guide wheel 1, the spraying position of the transverse spray rod can be adjusted in time according to the contour of the workpiece when encountering the workpiece, so as to achieve better spraying effect. When facing a workpiece that the guide wheel 1 cannot cross, the guide slope located above the guide wheel 1 can lift the longitudinal guide rod in advance, so that the guide wheel 1 is lifted, thereby improving the pass rate of the workpiece and improving the accuracy of the equipment. In the process of continuous spraying, using more nozzles at the same time may cause waste of spray paint. Therefore, through the setting of the transverse adjustment slider, the longitudinal adjustment slider and the push-type valve, it is possible to effectively avoid multiple nozzles working in the air, reduce the waste of spray paint, save spray paint and reduce processing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required to be used in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the positions of the positioning component and the painting component of the present invention.

[0019] Figure 3 It is a schematic diagram of the position of the longitudinal adjustment component of the present invention.

[0020] Figure 4 It is a schematic diagram of the overall structure of the present invention after the conveyor belt is removed.

[0021] Figure 5 It is a schematic diagram of the centering component structure of the present invention.

[0022] Figure 6 It is a structural schematic diagram of the paint spraying and conveying module of the present invention.

[0023] Figure 7 The present invention Figure 6 Enlarged structural diagram at A in the middle.

[0024] Figure 8 It is a schematic diagram of the button position relationship structure of the present invention.

[0025] Fig. 9 It is a schematic diagram of the structure of the transverse spray rod of the present invention.

[0026] Fig.10 The present invention Fig. 9 Enlarged structural diagram at B in the middle.

[0027] Fig.11 It is a schematic diagram of the internal structure of the guide ramp of the present invention.

[0028] Fig.12 It is a schematic diagram of the structure of the transverse adjustment slide block and the longitudinal guide block of the present invention.

[0029] Fig.13 It is a schematic diagram of the position relationship structure of the synchronous extension rod of the present invention.

[0030] In the figure: 1. Conveyor belt; 2. Centering assembly; 201. Slide rail 1; 202. Synchronous slide plate; 203. Longitudinal connecting column; 204. Telescopic cylinder; 205. Rotating connecting block; 206. Swinging connecting shaft; 207. Bottom mounting plate; 208. Rotating shaft; 3. Positioning assembly; 301. Positioning mounting block; 302. Synchronous connecting rod; 303. Synchronous connecting block; 304. Clamping rod; 305. Avoiding groove; 4. Workpiece body; 5. Spray paint assembly; 501. Horizontal spray rod; 502. Vertical spray rod; 503. Horizontal slide; 504. Horizontal through groove; 505. Guide limit block; 506. Vertical adjustment rod; 507. Vertical slide 1; 508. Bottom connection block; 509. Vertical slide 2; 510. Vertical guide rod; 6. Paint spraying conveying module; 601. Spraying pipeline; 602. Multi-nozzle pipeline; 603. Nozzle body; 604. Push-type valve; 605. Button; 606. Longitudinal adjustment slider; 607. Lateral adjustment slider; 608. Arc end face; 609. Extension slider; 610. Synchronous extension rod; 7. Longitudinal adjustment assembly; 701. Guide wheel one; 702. Longitudinal guide block; 703. Guide ramp; 704. Mounting shaft; 705. Guide wheel two. DETAILED DESCRIPTION

[0031] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0032] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0033] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] refer to Figures 1 to 13The present invention provides an automatic continuous paint spraying device for the end face of a wood workpiece, comprising a conveyor belt 1 for conveying a workpiece body 4, the conveyor belt 1 being equipped with an adjustment module for adjusting the position of the workpiece body 4, the adjustment module comprising a centering component 2 for synchronously sliding inward or outward and a positioning component 3 for clamping the workpiece body 4, the positioning component 3 comprising two clamping rods 304 for clamping the workpiece body 4, one side of the clamping rod 304 being provided with a position-adjustable paint spraying component 5, the paint spraying component 5 being used to reduce the spraying distance between the workpiece body 4 and the workpiece body 4, the paint spraying component 5 being provided with a paint spraying conveying module 6 inside, the paint spraying conveying module 6 being used to spray the end face of the workpiece body 4, the paint spraying conveying module 6 comprising a press-type valve 604 for controlling the flow of paint, the paint spraying component 5 comprising a transverse spraying rod 501 and a longitudinal spraying rod 502. 02, the push-type valve 604 is arranged inside the transverse spray rod 501 and the longitudinal spray rod 502, and a button 605 for closing the pipeline by pressing is arranged on one side of the push-type valve 604, and a longitudinal adjustment rod 506 is arranged on one side of the longitudinal spray rod 502, and a transverse adjustment slider 607 and a longitudinal adjustment slider 606 are arranged on one side of the longitudinal adjustment rod 506, the transverse adjustment slider 607 is used to press the button 605 in the transverse spray rod 501, and the longitudinal adjustment slider 606 is used to press the button 605 in the longitudinal spray rod 502, and a longitudinal adjustment component 7 for adjusting the sliding direction of the transverse spray rod 501 is arranged at the top of the conveyor belt 1, and the longitudinal adjustment component 7 includes longitudinal guide blocks 702 installed on both sides of the conveyor belt 1, and the longitudinal guide blocks 702 are used for the transverse spray rod 501 to slide along the longitudinal direction.

[0036] When the workpiece passes through, the workpiece contacts the inclined edge of the clamping rod 304, driving the synchronous connecting blocks 303 on both sides to slide outward. At this time, the centering component 2 is synchronously clamped inward, so that the workpiece is adjusted to the middle of the conveyor belt 1. At the same time, when the clamping rod 304 moves inward, it can drive the longitudinal adjustment rod 506 and the longitudinal spraying rod 502 to move inward. The longitudinal adjustment rod 506 drives the transverse adjustment slider 607 in the transverse slide groove 503, thereby closing the redundant nozzle bodies 603 on both sides of the transverse spraying rod 501. The longitudinal spraying rod 502 moves inward to adjust the distance between it and the workpiece so that the distance reaches the optimal range, thereby achieving a better spraying effect on the side end face. By setting the guide wheel 701 and the guide slope 703, the longitudinal guide rod 510 and the transverse spray rod 501 can move along the contour of the workpiece, so as to spray the upper end surface of the workpiece. In the process of adjusting the position of the transverse spray rod 501, the synchronous extension rod 610 drives the longitudinal adjustment slider 606 to slide, thereby closing the redundant nozzle bodies 603 in the longitudinal spray rod 502. From then on, while adjusting the spraying range, the number of working nozzles can also be adjusted accordingly, thereby improving the spraying effect and reducing the consumption of spray paint, so that more tools can be processed with the same quality of paint, thereby improving the continuity of work.

[0037] The paint delivery module 6 also includes a spray pipe 601, a multi-nozzle pipe 602 and a nozzle body 603. One end of the spray pipe 601 is connected to the paint delivery pipe. Multiple water outlets of the spray pipe 601 are threadedly connected to a push-type valve 604. The multi-nozzle pipe 602 is connected to the spray pipe 601 through the push-type valve 604. Multiple nozzle bodies 603 are installed on one side of the multi-nozzle pipe 602. The end faces of multiple buttons 605 extend to the outside of the horizontal spray rod 501 or the vertical spray rod 502. The outer side of the horizontal spray rod 501 is provided with a horizontal slide groove 503, and the outer side of the vertical spray rod 502 is provided with a second longitudinal slide groove 509. The horizontal adjustment slider 607 is located inside the horizontal slide groove 503 and slides. The vertical adjustment slider 606 is located inside the second longitudinal slide groove 509 and slides. The sides of the vertical adjustment slider 606 and the horizontal adjustment slider 607 are both provided with an arc end surface 608, and the arc end surface 608 is used to press the button 605. When the button 605 is pressed, the corresponding nozzle body 603 is closed. The push-type valve 604 has an automatic reset function. When the button 605 is pressed, the corresponding nozzle body 603 can be closed. When the button 605 is reset, the nozzle body 603 is connected to the spray pipe 601, thereby realizing the control of the number of nozzles. The spray pipe 601 is connected with a paint delivery pipe, which can uniformly control the delivery of paint and can simultaneously close or connect multiple spray pipes 601, thereby ensuring the continuity of the spraying effect.

[0038] A longitudinal slide groove 507 is provided on one side of the longitudinal adjustment rod 506, and one side of the transverse adjustment slider 607 extends to the interior of the longitudinal slide groove 507 and is fixedly connected with an extension slider 609, and the extension slider 609 is slidably connected to the longitudinal slide groove 507, and a synchronous extension rod 610 is fixedly connected to the bottom end of the extension slider 609, and the end face of the synchronous extension rod 610 extends to the interior of the longitudinal slide groove 2 509 and is fixedly connected to the longitudinal adjustment slider 606. A transverse through groove 504 is provided on the bottom end of the transverse spraying rod 501, and the synchronous extension rod 610 is located inside the transverse through groove 504 and is slidably connected; when the longitudinal adjustment rod 506 slides inward synchronously, the transverse adjustment sliders 607 on both sides slide inward synchronously to close the corresponding nozzle body 603. By setting the synchronous extension rod 610, when the transverse spraying rod 501 slides longitudinally, the longitudinal adjustment slider 606 can be driven to slide longitudinally, and the press valve 604 can be controlled in time, thereby improving the accuracy of the work.

[0039] The positioning assembly 3 also includes a positioning mounting block 301, a synchronous connecting rod 302 and a synchronous connecting block 303. The positioning mounting block 301 is detachably mounted on the top of both sides of the conveyor belt 1. The synchronous connecting rod 302 is slidably connected to the positioning mounting block 301 and is provided in multiple numbers. The end face of the synchronous connecting rod 302 is fixedly connected to the clamping rod 304. The centering assembly 2 includes multiple longitudinal connecting columns 203 arranged longitudinally. The bottom end of the synchronous connecting block 303 is fixedly connected to multiple longitudinal connecting columns 203. When the synchronous connecting blocks 303 on both sides slide inward synchronously, the longitudinal adjustment rod 506 and the longitudinal spraying rod 502 slide inward synchronously. The positioning assembly 3 is used to make the workpiece at the center of the conveyor belt 1, which can reduce the number of guide wheels 701 in the middle, thereby reducing equipment costs. At the same time, the centering of the workpiece can also improve the accuracy of nozzle closing.

[0040] The longitudinal adjustment assembly 7 also includes a guide wheel 1 701, a guide slope 703, a mounting shaft 704 and a guide wheel 2 705. The bottom end of the transverse through slot 504 is provided with a guide limit block 505. Both sides of the transverse spray rod 501 are provided with longitudinal guide rods 510. The longitudinal guide rods 510 are slidably connected with the longitudinal guide block 702. A plurality of guide wheels 1 701 are detachably mounted on the bottom end of the guide limit block 505. One side of the guide slope 703 is fixedly connected with the longitudinal guide rod 510. A plurality of the mounting shafts 704 are fixedly mounted on the bottom of the guide slope 703, and a plurality of the guide wheels 705 are sleeved on the outside of the mounting shafts 704. The portion of the guide slope 703 connected to the longitudinal guide rod 510 is provided with a through slot for the longitudinal adjustment rod 506 to slide. When the guide wheel 1 701 contacts the workpiece body 4, the longitudinal guide rod 510 and the transverse spray rod 501 are synchronously driven to slide longitudinally. When the transverse spray rod 501 slides longitudinally, the synchronous extension rod 610 drives the longitudinal adjustment slider 606 to slide longitudinally. The highest point of the guide slope 703 is located above the guide wheel 1 701, so that higher workpieces can be handled earlier, and the longitudinal guide rod 510 is driven to lift upward by the mounting shafts 704 and the guide wheels 2 705 on the slope, thereby lifting the guide wheel 1 701, so that the workpiece can pass through the guide wheel 1 701 normally, avoiding the situation where the workpiece cannot pass due to excessive height difference. When no workpiece passes, the bottom end of the guide wheel 1 701 is in contact with the conveyor belt 1.

[0041] The centering assembly 2 includes a horizontal push mechanism and a synchronous push mechanism. The horizontal push mechanism includes a slide rail 201, a synchronous slide plate 202 and a telescopic cylinder 204. The two slide rails 201 are detachably mounted on the bottom end of the conveyor belt 1. The two slide rails 201 are parallel to each other and perpendicular to the conveyor belt 1. The synchronous slide plates 202 are arranged at both ends of the slide rail 201. The synchronous slide plates 202 are fixedly connected with a plurality of longitudinal connecting columns 203. The two telescopic cylinders 204 are fixedly mounted on the bottom of the conveyor belt 1. The telescopic end of the telescopic cylinder 204 is fixedly connected with one side of the synchronous slide plate 202. The contraction of the telescopic cylinder 204 can drive the synchronous slide plate 202 to slide inward, thereby driving the workpiece to move toward the middle, thereby realizing the adjustment of the workpiece position.

[0042] The synchronous push mechanism includes a rotating connection block 205, a swing connection shaft 206, a bottom mounting plate 207 and a rotating shaft 208. The rotating connection block 205 is arranged at the top of the bottom mounting plate 207. The middle of the rotating connection block 205 is rotatably connected with the rotating shaft 208. The swing connection shaft 206 is rotatably mounted on both sides of the rotating connection block 205 and is respectively hinged to the synchronous slide plate 202. The bottom mounting plate 207 is detachably mounted on the bottom end of the slide rail 201. The rotating shaft 208 is mounted on the middle of the rotating connection block 205. By rotating the rotating connection block 205 around the rotating shaft 208, the swing connection shafts 206 on both sides can be synchronously pushed outward or rotated inward, thereby ensuring that the synchronous connection blocks 303 on both sides move synchronously, ensuring that sufficient thrust can be applied to the workpiece, and adjusting the position of the workpiece. The synchronous connection block 303 is provided with an air avoidance groove 305, which is used to avoid interference with the sliding of the longitudinal guide rod 510. The longitudinal guide rod 510 also needs to be provided with a plurality of different support blocks, which needs to ensure that the longitudinal guide rod 510 can slide longitudinally for a long time, and the bottom end of the longitudinal guide rod 510 needs to be provided with an anti-separation device to prevent the transverse spray rod 501 from falling off when the workpiece is too high.

[0043] The bottom ends of the longitudinal spraying rod 502 and the longitudinal adjustment rod 506 are connected to a bottom connection block 508, one side of the bottom connection block 508 is detachably connected to the clamping rod 304, and the other side of the bottom connection block 508 is fixedly connected to a plurality of synchronous connection rods 302, and the bottom end of the bottom connection block 508 does not contact the conveyor belt 1. The synchronous connection block 303 is connected to the bottom connection block 508 through the synchronous connection rod 302 to support it. In order to avoid tilting, multiple reinforcing ribs need to be added to improve the transmission accuracy.

[0044] The present invention adjusts the position of the workpiece body 4 to the middle of the conveyor belt 1 by synchronous clamping, and drives the longitudinal adjustment rod 506 and the longitudinal spray rod 502 to synchronously approach or move away from the workpiece while clamping the clamping rod 304, thereby adjusting the distance between the workpiece and the spray rod, and avoiding unsatisfactory spraying effect due to a large spacing. By setting the guide wheel 701, when encountering a workpiece, the spraying position of the transverse spray rod 501 can be adjusted in time according to the contour of the workpiece, so as to achieve a better spraying effect. When facing a workpiece that the guide wheel 701 cannot cross, the guide slope 703 located above the guide wheel 701 can lift the longitudinal guide rod 510 in advance, so that the guide wheel 701 is lifted, thereby improving the pass rate of the workpiece and improving the accuracy of the equipment. In the process of continuous spraying, using more nozzles at the same time may cause waste of spray paint. Therefore, by setting the transverse adjustment slider 607, the longitudinal adjustment slider 606 and the push-type valve 604, it is possible to effectively avoid multiple nozzles working in the air and waste of spray paint, saving spray paint and processing costs.

[0045] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. An automatic continuous painting device for the end surface of a wood workpiece, characterized in that: The invention comprises a conveyor belt (1) for conveying a workpiece body (4), the conveyor belt (1) being provided with an adjustment module for adjusting the position of the workpiece body (4), the adjustment module comprising a centering component (2) for synchronously sliding inward or outward and a positioning component (3) for clamping the workpiece body (4), the positioning component (3) comprising two clamping rods (304) for clamping the workpiece body (4), one side of the clamping rod (304) being provided with a spray paint component (5) with adjustable position, the spray paint component (5) being used to reduce the spraying distance between the workpiece body (4), the paint spray component (5) being provided with a paint delivery module (6) inside, the paint delivery module (6) being used to spray the end surface of the workpiece body (4), the paint delivery module (6) comprising a push-type valve (604) for controlling the flow of spray paint, the paint spray component (5) comprising a transverse spraying rod (501) and a longitudinal spraying rod (502), the push-type valve (60 4) arranged inside the transverse spray rod (501) and the longitudinal spray rod (502), a button (605) for closing the pipeline by pressing is arranged on one side of the push-type valve (604), a longitudinal adjustment rod (506) is arranged on one side of the longitudinal spray rod (502), a transverse adjustment slider (607) and a longitudinal adjustment slider (606) are arranged on one side of the longitudinal adjustment rod (506), the transverse adjustment slider (607) is used to press the button (605) in the transverse spray rod (501), the longitudinal adjustment slider (606) is used to press the button (605) in the longitudinal spray rod (502), and a longitudinal adjustment component (7) for adjusting the sliding direction of the transverse spray rod (501) is arranged at the top end of the conveyor belt (1), the longitudinal adjustment component (7) comprises longitudinal guide blocks (702) installed on both sides of the conveyor belt (1), and the longitudinal guide blocks (702) are used to allow the transverse spray rod (501) to slide in the longitudinal direction.

2. An automatic continuous painting device for the end surface of a wood workpiece according to claim 1, characterized in that: The paint spraying delivery module (6) further comprises a spraying pipeline (601), a multi-nozzle pipeline (602) and a nozzle body (603); one end of the spraying pipeline (601) is connected to the paint delivery pipeline; a plurality of water outlets of the spraying pipeline (601) are threadedly connected to a push-type valve (604); the multi-nozzle pipeline (602) is connected to the spraying pipeline (601) via the push-type valve (604); a plurality of nozzle bodies (603) are installed on one side of the multi-nozzle pipeline (602); and end surfaces of a plurality of buttons (605) extend to the outside of the transverse spraying rod (501) or the longitudinal spraying rod (502). The outer side of the transverse spray rod (501) is provided with a transverse slide groove (503), the outer side of the longitudinal spray rod (502) is provided with a longitudinal slide groove (509), the transverse adjustment slider (607) is located inside the transverse slide groove (503) and slides, the longitudinal adjustment slider (606) is located inside the longitudinal slide groove (509) and slides, and the sides of the longitudinal adjustment slider (606) and the transverse adjustment slider (607) are both provided with arc-shaped end surfaces (608), and the arc-shaped end surfaces (608) are used to press the button (605). When the button (605) is pressed, the corresponding nozzle body (603) is closed.

3. The automatic continuous painting device for the end surface of a wood workpiece according to claim 2 is characterized in that: A longitudinal groove 1 (507) is provided on one side of the longitudinal adjustment rod (506), and an extension slider (609) is fixedly connected to the longitudinal groove 1 (507) on one side. The extension slider (609) is slidably connected to the longitudinal groove 1 (507). A synchronous extension rod (610) is fixedly connected to the bottom end of the extension slider (609). The end face of the synchronous extension rod (610) extends to the inside of the longitudinal groove 2 (509) and is fixedly connected to the longitudinal adjustment slider (606). A horizontal through groove (504) is provided on the bottom end of the horizontal spraying rod (501), and the synchronous extension rod (610) is located inside the horizontal through groove (504) and is slidably connected. When the longitudinal adjustment rod (506) slides inward synchronously, the horizontal adjustment sliders (607) on both sides slide inward synchronously to close the corresponding nozzle body (603).

4. The automatic continuous painting device for the end surface of a wood workpiece according to claim 3 is characterized by: The positioning assembly (3) further comprises a positioning mounting block (301), a synchronous connecting rod (302) and a synchronous connecting block (303); the positioning mounting block (301) is detachably mounted on the top ends of both sides of the conveyor belt (1); the synchronous connecting rod (302) is slidably connected to the positioning mounting block (301) and is provided in a plurality; the end surface of the synchronous connecting rod (302) is fixedly connected to the clamping rod (304); the centering assembly (2) comprises a plurality of longitudinal connecting columns (203) arranged longitudinally; the bottom end of the synchronous connecting block (303) is fixedly connected to the plurality of longitudinal connecting columns (203); when the synchronous connecting blocks (303) on both sides slide inward synchronously, the longitudinal adjustment rod (506) and the longitudinal spraying rod (502) slide inward synchronously.

5. The automatic continuous painting device for the end surface of a wood workpiece according to claim 4 is characterized in that: The longitudinal adjustment assembly (7) further comprises a guide wheel 1 (701), a guide inclined surface (703), a mounting shaft (704) and a guide wheel 2 (705); a guide limit block (505) is arranged at the bottom end of the transverse through groove (504); longitudinal guide rods (510) are arranged on both sides of the transverse spray rod (501); the longitudinal guide rods (510) are slidably connected to the longitudinal guide block (702); a plurality of guide wheels 1 (701) are detachably mounted on the bottom end of the guide limit block (505); one side of the guide inclined surface (703) is fixedly connected to the longitudinal guide rod (510); , a plurality of the installation shafts (704) are fixedly installed on the bottom end of the guide inclined surface (703), a plurality of the guide wheels (705) are sleeved on the outside of the installation shafts (704), and a portion where the guide inclined surface (703) is connected to the longitudinal guide rod (510) is provided with a through groove for the longitudinal adjustment rod (506) to slide; when the guide wheel (701) contacts the workpiece body (4), the longitudinal guide rod (510) and the transverse spraying rod (501) are synchronously driven to slide longitudinally; when the transverse spraying rod (501) slides longitudinally, the synchronous extension rod (610) drives the longitudinal adjustment slider (606) to slide longitudinally.

6. The automatic continuous painting device for the end surface of a wood workpiece according to claim 5, characterized in that: The centering component (2) comprises a horizontal ejection mechanism and a synchronous push mechanism, wherein the horizontal ejection mechanism comprises a slide rail (201), a synchronous slide plate (202) and a telescopic cylinder (204), wherein the two slide rails (201) are detachably mounted on the bottom end of the conveyor belt (1), the two slide rails (201) are parallel to each other and perpendicular to the conveyor belt (1), the synchronous slide plates (202) are arranged at both ends of the slide rail (201), the synchronous slide plates (202) are fixedly connected to a plurality of longitudinal connecting columns (203), and the two telescopic cylinders (204) are fixedly mounted on the bottom end of the conveyor belt (1), and the telescopic ends of the telescopic cylinders (204) are fixedly connected to one side of the synchronous slide plate (202).

7. The automatic continuous painting device for the end surface of a wood workpiece according to claim 6 is characterized by: The synchronous pushing mechanism comprises a rotating connection block (205), a swing connection shaft (206), a bottom mounting plate (207) and a rotating shaft (208); the rotating connection block (205) is arranged at the top end of the bottom mounting plate (207); the middle part of the rotating connection block (205) is rotatably connected to the rotating shaft (208); the swing connection shaft (206) is rotatably mounted on both sides of the rotating connection block (205) and is respectively hinged to the synchronous slide plate (202); the bottom mounting plate (207) is detachably mounted on the bottom end of the slide rail (201); and the rotating shaft (208) is mounted on the middle part of the rotating connection block (205).

8. The automatic continuous painting device for the end surface of a wood workpiece according to claim 7 is characterized by: The synchronous connection block (303) is provided with a clearance groove (305), and the clearance groove (305) is used to avoid interference with the sliding of the longitudinal guide rod (510).

9. The automatic continuous painting device for the end surface of a wood workpiece according to claim 1, characterized in that: The bottom ends of the longitudinal spraying rod (502) and the longitudinal adjustment rod (506) are commonly connected to a bottom connecting block (508); one side of the bottom connecting block (508) is detachably connected to the clamping rod (304); the other side of the bottom connecting block (508) is fixedly connected to a plurality of synchronous connecting rods (302); and the bottom end of the bottom connecting block (508) does not contact the conveyor belt (1).

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