Hot melt adhesive spraying equipment for door lining

Abstract

The utility model relates to door lining hot melt adhesive spraying equipment which comprises a control console, a vacuum automatic feeding machine, a feeding trolley, a lining panel body, a lining panel conveying line, a reciprocating type baking machine and an adhesive spraying support, the lining panel body is conveyed through a belt type conveying machine, and the lining panel body sequentially passes through the reciprocating type baking machine and the adhesive spraying machine on one side of the adhesive spraying support; the top of the lining panel body is subjected to warming and glue spraying work, an original liquid adhesive is replaced with a solid hot melt adhesive, the environment-friendly effect is better achieved, the adhesive force is higher, manual operation is not needed, spraying is conducted through full-automatic tracking of an outer side panel, manpower is saved, and the situation that the outer side panel is rapidly dried due to heating and baking after spraying is completed is avoided; the VOC treatment needs to be carried out on the diluent which wastes electricity and volatilizes, the relative position of the vacuum suction cup and the interior lining panel body is controlled through the matched use of the feeding support, the connecting beam, the X-direction moving structure, the lifting air cylinder, the suction cup frame and the vacuum suction cup, automatic feeding is achieved, and manual operation is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerated container manufacturing, in particular to hot melt adhesive spraying equipment for door linings. Background Art

[0002] A refrigerated container is a container used to transport and store frozen or refrigerated goods. It is usually used to transport food, medicine, chemicals and other items that need to be kept at low temperatures. In the production process of refrigerated containers, polyurethane foaming is required on the side panels, bottom panels, door panels, top panels and other parts of the box to achieve the box insulation function;

[0003] The previous production process required spraying a layer of adhesive on the foamed stainless steel and aluminum alloy plates before each component was foamed. Since the adhesive was in liquid form and required a diluent, it would evaporate and pollute the environment during spraying, causing environmental pollution and a poor working environment for workers. Utility Model Content

[0004] In view of the technical problems in the existing patents that a layer of adhesive needs to be sprayed on the foamed stainless steel and aluminum alloy plates before the components are foamed, and since the adhesive is in liquid form and requires a diluent, it will evaporate and pollute the environment during spraying, causing environmental pollution and a poor working environment for workers, the utility model provides a hot melt adhesive spraying device for door linings.

[0005] The technical solution adopted by the utility model is: hot melt adhesive spraying equipment for door lining, including a control console, a vacuum automatic loader, a loading trolley, a lining plate body, a lining plate transmission line, a reciprocating fire-making machine and a glue spraying bracket, the vacuum automatic loader is installed on one side of the control console, the loading trolley is installed on one side of the bottom of the vacuum automatic loader, the lining plate body is installed on the top of the loading trolley, the lining plate transmission line is installed on the other side of the vacuum automatic loader, and the reciprocating fire-making machine and the glue spraying bracket are both installed on the top of the lining plate transmission line.

[0006] Furthermore, the vacuum automatic loader includes a loading bracket, a connecting beam, an X-axis moving structure, a lifting cylinder, a suction cup frame and a vacuum suction cup. The connecting beam is installed on the top of the loading bracket through an X-axis walking guide rail, the X-axis moving structure is installed on the bottom of the connecting beam, the lifting cylinder is installed on the connecting beam through bolts, the suction cup frame is installed on the output shaft of the lifting cylinder through bolts, and the vacuum suction cup is installed on the suction cup frame through a screw to facilitate loading.

[0007] Furthermore, the X-axis moving structure includes an X-axis walking motor, an X-axis walking wheel and an X-axis walking gear plate. The X-axis walking motor is installed at the bottom of the connecting beam by bolts, the X-axis walking wheel is fixedly welded to the output shaft of the X-axis walking motor, the X-axis walking gear plate is fixedly welded to the bottom of the loading bracket and meshed with the X-axis walking wheel, the loading cart is installed on one side of the bottom of the loading bracket, and the inner lining plate body corresponds to the vacuum suction cup, so as to facilitate moving to the inner lining plate transmission line after the suction cup sucks the inner lining plate body.

[0008] Furthermore, the inner lining plate transmission line includes a transmission bracket, a belt conveyor, a belt transmission tensioning structure and a workpiece correction structure. The transmission bracket is installed on one side of the loading bracket and at the bottom of the suction cup frame. The belt conveyor is installed on the transmission bracket. The belt transmission tensioning structure is installed at the bottom of the transmission bracket and corresponds to the belt conveyor. The workpiece correction structure is installed on both sides of one end of the transmission bracket to facilitate the conveying and spraying processing of the inner lining plate body.

[0009] Furthermore, the belt-type transmission tensioning structure includes a wheel frame, a guide wheel, a tensioning frame, a tensioning wheel and an adjusting seat. The wheel frame is fixedly welded to the bottom of the transmission bracket, the adjusting seat is fixedly welded to the top of the transmission bracket, the guide wheel is rotatably mounted on the wheel frame, the tensioning frame is installed on the top of the adjusting seat through an adjusting bolt, and the tensioning wheel is rotatably mounted on the tensioning frame. The belt of the belt conveyor is wound around the tensioning wheel and the guide wheel, so as to facilitate the adjustment of the belt tension according to usage requirements and avoid hardening and slipping in winter.

[0010] Furthermore, the workpiece correction structure includes a correction column, a positioning block and an adjustment correction block. The correction column is installed on one side of the transmission bracket by bolts, the positioning block is fixedly welded on the correction column, and the adjustment correction block is installed on one side of the positioning block by adjusting bolts, so as to facilitate the positioning and correction of the inner lining plate body during transportation.

[0011] Furthermore, the reciprocating fire-making machine is controlled by a servo reciprocating machine, the fire-making glue spraying interval is a safe distance, the fire-making spraying width can be set, the glue spraying bracket is installed on one side of the reciprocating fire-making machine, and the glue spraying machine is installed on the glue spraying bracket to facilitate the fire heating and spraying of hot melt glue.

[0012] The beneficial effects of the utility model are as follows: compared with the prior art, in the utility model,

[0013] 1. The inner lining plate body is transported by a belt conveyor, passing through a reciprocating fire-making machine and a glue spraying machine on one side of the glue spraying bracket in turn, and the top of the inner lining plate body is fired and glue sprayed, and the original liquid adhesive is replaced with a solid hot melt adhesive, which is more environmentally friendly and has stronger adhesion. It does not require manual operation, and automatically tracks the outer plate for spraying, saving manpower and avoiding heating and baking after spraying to make it dry quickly, which causes electricity waste and the volatile diluent needs to be treated with VOC.

[0014] 2. The X-axis travel motor drives the X-axis travel wheel to rotate, and the X-axis travel wheel moves along the X-axis travel toothed plate. The connecting beam is moved to the top of the loading vehicle in conjunction with the X-axis travel guide rail. The suction cup frame is driven to move by the lifting cylinder to control the relative position of the vacuum suction cup and the inner lining plate body to achieve automatic loading without manual operation. The height of the tensioning frame and the position of the correction block can be adjusted by adjusting the bolts, which is convenient for adjusting the tension of the synchronous belt and positioning, correcting and conveying the inner lining plate according to its size, thereby improving work quality and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the vacuum automatic feeder in the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the vacuum automatic feeder in the utility model;

[0018] Figure 4 This utility model Figure 2 A in the figure is an enlarged schematic diagram of the three-dimensional structure;

[0019] Figure 5 This utility model Figure 2 The enlarged schematic diagram of the three-dimensional structure is shown in Figure 1.

[0020] The markings in the figure are: 1. Control console; 2. Vacuum automatic loader; 3. Loading car; 4. Lining plate body; 5. Lining plate transmission line; 6. Reciprocating fire-making machine; 7. Glue spraying bracket; 8. Loading bracket; 9. Connecting beam; 10. X-axis moving structure; 11. Lifting cylinder; 12. Suction cup rack; 13. Vacuum suction cup; 14. X-axis walking guide rail; 15. Transmission bracket; 16. Belt conveyor; 17. Belt transmission tensioning structure; 18. Workpiece correction structure; 19. Wheel frame; 20. Guide wheel; 21. Tensioning frame; 22. Tensioning wheel; 23. Adjusting seat; 24. Correction column; 25. Positioning block; 26. Adjustment correction block. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of 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.

[0023] The following is combined with Figure 1-5 The utility model is further described.

[0024] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: hot melt adhesive spraying equipment for door lining.

[0025] The specific technical scheme includes a control console 1, a vacuum automatic loader 2, a loading cart 3, an inner lining plate body 4, an inner lining plate transmission line 5, a reciprocating fire-making machine 6 and a glue spraying bracket 7. The vacuum automatic loader 2 is installed on one side of the control console 1, the loading cart 3 is installed on one side of the bottom of the vacuum automatic loader 2, the inner lining plate body 4 is installed on the top of the loading cart 3, the inner lining plate transmission line 5 is installed on the other side of the vacuum automatic loader 2, and the reciprocating fire-making machine 6 and the glue spraying bracket 7 are both installed on the top of the inner lining plate transmission line 5.

[0026] Reference Figure 1 , Figure 3The vacuum automatic feeder 2 includes a feeding bracket 8, a connecting beam 9, an X-direction moving structure 10, a lifting cylinder 11, a suction cup frame 12 and a vacuum suction cup 13. The connecting beam 9 is installed on the top of the feeding bracket 8 through an X-direction walking guide rail 14. The X-direction moving structure 10 is installed at the bottom of the connecting beam 9. The lifting cylinder 11 is installed on the connecting beam 9 through bolts. The suction cup frame 12 is installed on the output shaft of the lifting cylinder 11 through bolts. The vacuum suction cup 13 is installed on the suction cup frame 12 through a screw. The X-direction moving structure 10 includes an X-direction walking motor, an X-direction walking wheel and an X-direction walking gear plate The X-axis travel motor is installed at the bottom of the connecting beam 9 by bolts, the X-axis travel wheel is fixedly welded to the output shaft of the X-axis travel motor, the X-axis travel gear plate is fixedly welded to the bottom of the loading bracket 8 and meshes with the X-axis travel wheel, the loading trolley 3 is installed on one side of the bottom of the loading bracket 8, the inner lining plate body 4 corresponds to the vacuum suction cup 13, the loading bracket 8, the connecting beam 9, the X-axis moving structure 10, the lifting cylinder 11, the suction cup frame 12 and the vacuum suction cup 13 are used in coordination to control the relative position of the vacuum suction cup 13 and the inner lining plate body 4, so as to realize automatic loading without manual operation.

[0027] Reference Figure 1 , Figure 2 , Figure 4 , Figure 5The inner lining plate transmission line 5 includes a transmission bracket 15, a belt conveyor 16, a belt transmission tensioning structure 17 and a workpiece correction structure 18. The transmission bracket 15 is installed on one side of the feeding bracket 8 and installed at the bottom of the suction cup frame 12. The belt conveyor 16 is installed on the transmission bracket 15. The belt transmission tensioning structure 17 is installed at the bottom of the transmission bracket 15 and corresponds to the belt conveyor 16. The workpiece correction structure 18 is installed on both sides of one end of the transmission bracket 15. The belt tensioning structure includes a wheel frame 19, a guide wheel 20, a tensioning frame 21, and a tensioning wheel 2 2 and an adjusting seat 23, the wheel frame 19 is fixedly welded to the bottom of the transmission bracket 15, the adjusting seat 23 is fixedly welded to the top of the transmission bracket 15, the guide wheel 20 is rotatably mounted on the wheel frame 19, the tensioning frame 21 is mounted on the top of the adjusting seat 23 through an adjusting bolt, the tensioning wheel 22 is rotatably mounted on the tensioning frame 21, the belt of the belt conveyor 16 is wound around the tensioning wheel 22 and the guide wheel 20, the workpiece correction structure includes a correction column 24, a positioning block 25 and an adjustment correction block 26, the correction column 24 is mounted on one side of the transmission bracket 15 through bolts, the positioning block 25 is fixedly welded Connected to the correction column 24, the adjustment correction block 26 is installed on one side of the positioning block 25 through the adjustment bolts. The transmission bracket 15, the belt conveyor 16, the belt transmission tensioning structure 17 and the workpiece correction structure 18 are used in coordination to make the inner lining plate body 4 pass through the reciprocating fire-making machine 6 and the glue spraying machine on one side of the glue spraying bracket 7 in turn, and the top of the inner lining plate body 4 is heated and glue sprayed, and the original liquid adhesive is replaced with solid hot melt adhesive, which is more environmentally friendly and has stronger adhesion. No manual operation is required, and the outer plate is automatically tracked for spraying, saving manpower. , to avoid heating and baking after spraying to make it dry quickly, which causes power consumption and the need for VOC treatment of volatile diluents. The reciprocating fire-making machine 6 is controlled by a servo reciprocating machine. The fire-making and spraying intervals are at a safe distance, and the fire-making and spraying width can be set. The glue spraying bracket 7 is installed on one side of the reciprocating fire-making machine 6. The glue spraying machine is installed on the glue spraying bracket 7. The height of the tensioning frame 21 and the position of the adjustment correction block can be adjusted by adjusting the bolts, which is convenient for adjusting the tension of the synchronous belt and positioning, correcting and conveying the inner lining plate according to the size of the inner lining plate, thereby improving work quality and safety.

[0028] In order for those skilled in the art to fully understand the technical solution, this application makes the following overall summary:

[0029] When in use, the loading trolley 3 is manually driven into the vacuum loading position. The loading trolley 3 has soft and hard limit protection. The X-direction travel motor drives the X-direction travel wheel to rotate, and the X-direction travel wheel moves along the X-direction travel gear plate, and cooperates with the X-direction travel guide rail 14 to move the connecting beam 9 to the top of the loading trolley 3. The lifting cylinder 11 drives the suction cup frame 12 to move, so that the vacuum suction cup 13 fits with the inner lining plate body 4, and the inner lining plate body 4 is adsorbed, and the inner lining plate body 4 is driven to move to the top of the transmission bracket 15, and enters the belt conveyor 16, and the inner lining plate body 4 is transported by the belt conveyor 16 so that it passes through the reciprocating baking process in turn. The glue sprayer on one side of the lighter 6 and the glue spraying bracket 7 performs fire spraying on the top of the inner lining plate body 4, replacing the original liquid adhesive with solid hot melt adhesive, which is more environmentally friendly and has stronger adhesion. It does not require manual operation and automatically tracks the outer plate for spraying, saving manpower and avoiding heating and baking after spraying to make it dry quickly, which causes electricity waste and the need for VOC treatment of volatile diluents. The height of the tensioning frame 21 and the position of the adjustment correction block can be adjusted by adjusting the bolts, which is convenient for adjusting the tension of the synchronous belt and positioning, correcting and conveying the inner lining plate according to its size, thereby improving work quality and safety.

[0030] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0031] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Hot melt adhesive spraying equipment for door lining, characterized in that: The invention comprises a control console (1), a vacuum automatic loader (2), a loading vehicle (3), an inner lining plate body (4), an inner lining plate transmission line (5), a reciprocating fire-making machine (6) and a glue spraying bracket (7), wherein the vacuum automatic loader (2) is installed on one side of the control console (1), the loading vehicle (3) is installed on one side of the bottom of the vacuum automatic loader (2), the inner lining plate body (4) is installed on the top of the loading vehicle (3), the inner lining plate transmission line (5) is installed on the other side of the vacuum automatic loader (2), and the reciprocating fire-making machine (6) and the glue spraying bracket (7) are both installed on the top of the inner lining plate transmission line (5).

2. The door lining hot melt adhesive spraying equipment according to claim 1, characterized in that: The vacuum automatic loading machine (2) comprises a loading bracket (8), a connecting beam (9), an X-direction moving structure (10), a lifting cylinder (11), a suction cup frame (12) and a vacuum suction cup (13); the connecting beam (9) is mounted on the top of the loading bracket (8) via an X-direction walking guide rail (14); the X-direction moving structure (10) is mounted on the bottom of the connecting beam (9); the lifting cylinder (11) is mounted on the connecting beam (9) via bolts; the suction cup frame (12) is mounted on the output shaft of the lifting cylinder (11) via bolts; and the vacuum suction cup (13) is mounted on the suction cup frame (12) via a screw.

3. The door lining hot melt adhesive spraying equipment according to claim 2, characterized in that: The X-direction moving structure (10) comprises an X-direction travel motor, an X-direction travel wheel and an X-direction travel tooth plate. The X-direction travel motor is mounted on the bottom of the connecting beam (9) by means of bolts. The X-direction travel wheel is fixedly welded to the output shaft of the X-direction travel motor. The X-direction travel tooth plate is fixedly welded to the bottom of the loading bracket (8) and meshes with the X-direction travel wheel. The loading vehicle (3) is mounted on one side of the bottom of the loading bracket (8). The inner lining plate body (4) corresponds to the vacuum suction cup (13).

4. The door lining hot melt adhesive spraying equipment according to claim 2, characterized in that: The inner lining plate transmission line (5) comprises a transmission bracket (15), a belt conveyor (16), a belt transmission tensioning structure (17) and a workpiece correction structure (18); the transmission bracket (15) is installed on one side of the loading bracket (8) and on the bottom of the suction cup bracket (12); the belt conveyor (16) is installed on the transmission bracket (15); the belt transmission tensioning structure (17) is installed at the bottom of the transmission bracket (15) and corresponds to the belt conveyor (16); and the workpiece correction structure (18) is installed on both sides of one end of the transmission bracket (15).

5. The door lining hot melt adhesive spraying equipment according to claim 4, characterized in that: The belt transmission tensioning structure (17) comprises a wheel frame (19), a guide wheel (20), a tensioning frame (21), a tensioning wheel (22) and an adjusting seat (23); the wheel frame (19) is fixedly welded to the bottom of the transmission bracket (15); the adjusting seat (23) is fixedly welded to the top of the transmission bracket (15); the guide wheel (20) is rotatably mounted on the wheel frame (19); the tensioning frame (21) is mounted on the top of the adjusting seat (23) by means of an adjusting bolt; the tensioning wheel (22) is rotatably mounted on the tensioning frame (21); and the belt of the belt conveyor (16) is wound around the tensioning wheel (22) and the guide wheel (20).

6. The door lining hot melt adhesive spraying equipment according to claim 4, characterized in that: The workpiece correction structure (18) comprises a correction column (24), a positioning block (25) and an adjusting correction block (26); the correction column (24) is mounted on one side of the transmission bracket (15) by means of bolts; the positioning block (25) is fixedly welded on the correction column (24); and the adjusting correction block (26) is mounted on one side of the positioning block (25) by means of adjusting bolts.

7. The door lining hot melt adhesive spraying equipment according to claim 1, characterized in that: The reciprocating fire-making machine (6) is controlled by a servo reciprocating machine, the fire-making glue spraying interval is a safe distance, and the fire-making spraying width can be set. The glue spraying bracket (7) is installed on one side of the reciprocating fire-making machine (6), and the glue spraying machine is installed on the glue spraying bracket (7).

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