External rapid cooling structure of foaming mold

Abstract

The utility model relates to an external quick cooling structure of a foaming mould, which belongs to the technical field of PVC (polyvinyl chloride) foaming plates and comprises an upper mould plate, a lower mould plate and a foaming cavity arranged on the lower mould plate, the bottom surface of the lower mould plate is fixedly connected with two support plates, a bottom plate is fixedly connected between the bottom surfaces of the two support plates, and the bottom plate is fixedly connected with the upper mould plate and the lower mould plate. The peripheral wall of the lower die plate is sleeved with three connecting bins, two connecting pipes are fixedly connected between every two adjacent connecting bins, one end of each connecting pipe extends into the corresponding connecting bin, and a plurality of mounting grooves are formed in the lower die plate. According to the external rapid cooling structure of the foaming mold, under the action of the connecting bin and the heat conducting plate, a PVC material in the foaming cavity is conveniently cooled, the cooling efficiency and the production efficiency are improved, the connecting bin can be conveniently overhauled, and under the action of an exhaust fan, air at the bottom of the heat conducting plate is pumped, so that the cooling efficiency is improved. The cooling efficiency and the use effect of the heat-conducting plate are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC foamed board technical field, concretely is a foaming mould external quick cooling structure. BACKGROUND

[0002] PVC foamed board, also known as snow board or Andy board, is a kind of board material, which is made of polyvinyl chloride as main raw material, by adding foaming agent, stabilizer, regulator, calcium powder, whitening agent, titanium dioxide, internal lubricant, external lubricant and plasticizer and other chemical raw materials, after a certain proportion of mixing, it is put into the extrusion foaming machine of double screw to carry out chemical foaming, and then it is extruded into the mold to be shaped and foamed.

[0003] A PVC foamed board extrusion die is disclosed in Chinese patent CN212528622U. The patent discloses a convenient cutting technical solution, which solves the problem of the single structure of the existing PVC foamed board extrusion die and the inconvenience of cutting the foamed board after extrusion molding. Since the foamed board needs to be cut on the back side after extrusion molding, it is more troublesome to use, reduces the practicality and flexibility of the device, and is not convenient to improve the work efficiency of the staff.

[0004] When the device is used, the foamed board is conveniently cut by the cooperation of the cutting knife and the fixed strip. However, the PVC material has low heat dissipation efficiency during the extrusion molding process due to the high temperature during injection molding, which reduces the production efficiency. Therefore, a foaming mold external quick cooling structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a foaming mold external quick cooling structure, which has the advantages of convenient cooling, solves the problem that the device is used, the foamed board is conveniently cut by the cooperation of the cutting knife and the fixed strip, but the PVC material has low heat dissipation efficiency during the extrusion molding process due to the high temperature during injection molding, which reduces the production efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a foaming mold external quick cooling structure, comprising an upper die plate, a lower die plate and a foaming cavity opened on the lower die plate, the bottom surface of the lower die plate is fixedly connected with two support plates.

[0007] The bottom plate is fixedly connected between the bottom surfaces of the two support plates, the outer peripheral wall of the lower mold plate is sleeved with three connecting cavities, two connecting pipes are fixedly connected between two adjacent connecting cavities and extend to the interiors of the connecting cavities, a plurality of mounting grooves are formed in the interior of the lower mold plate, a heat conduction plate is fixedly connected in the interior of each mounting groove and extends to the bottom of the lower mold plate from the mounting groove, the opposite side surfaces of the two support plates are fixedly connected with mounting plates, an air extractor is fixedly mounted between the bottom surfaces of the two mounting plates, clamping plates are fixedly connected to the left and right side surfaces of the lower mold plate, and the bottom connecting cavity is located between the two clamping plates.

[0008] The bottom plate is provided with a conveying assembly for conveying the cooling liquid.

[0009] Further, the three connecting cavities are all rectangular rings with hollow interiors, and the three connecting cavities are linearly and equidistantly distributed from top to bottom.

[0010] Further, the two clamping plates are both L-shaped plates and are attached to the bottom connecting cavities.

[0011] Further, the plurality of mounting grooves are all in communication with the foaming cavities, there is no gap between the heat conduction plate and the mounting grooves, and the top surface of the heat conduction plate and the bottom surface of the foaming cavity are located on the same horizontal plane.

[0012] Further, the conveying assembly comprises a water storage cavity, the water storage cavity is fixedly connected to the top surface of the bottom plate, a water inlet groove is formed in the top surface of the water storage cavity, a filter screen is fixedly connected in the interior of the water inlet groove, a water pump is fixedly mounted on the top surface of the water storage cavity, a water outlet pipe is fixedly mounted at the water inlet end of the water pump and extends into the interior of the water storage cavity, a water inlet pipe is fixedly mounted at the output end of the water pump and extends into the interior of the top connecting cavity, a clearance hole is formed in the opposite side surface of each support plate, a reflux pipe is fixedly connected to the left inner wall of the bottom connecting cavity and extends into the interior of the water storage cavity through the bottom connecting cavity and the clearance hole, and a storage battery is fixedly mounted on the left side surface of the water storage cavity.

[0013] Further, the water outlet pipe is fixedly connected to the water storage cavity, and the water inlet pipe is fixedly connected to the top connecting cavity.

[0014] Further, the water storage cavity is a rectangular cuboid with a hollow interior, and the water inlet groove is in communication with the interior of the water storage cavity.

[0015] Further, the water inlet pipe and the reflux pipe are both flexible pipes, the lengths of the pipes can allow the connecting cavities to be separated from the lower mold plate, and the reflux pipe and the clearance hole are in clearance fit.

[0016] Compared with the prior art, the technical scheme has the following beneficial effects:

[0017] 1、The foaming mold external quick cooling structure, through the action of connecting warehouse and heat conduction plate, the PVC material inside the foaming cavity is conveniently cooled, the cooling efficiency and production efficiency are improved, the connecting warehouse can be conveniently overhauled, the air at the bottom of the heat conduction plate is moved under the action of the air extractor, and the cooling efficiency and use effect of the heat conduction plate are improved;

[0018] 2、The foaming mold external quick cooling structure, through the action of the water pump, the cooling liquid is moved, the staff is conveniently operated, the cooling liquid is recycled under the action of the water outlet pipe, the water inlet pipe and the backflow pipe, the production cost is reduced, it is more energy-saving and environment-friendly, and simultaneously, the air and the cooling liquid are filtered under the action of the filter screen, the use effect of the cooling liquid is improved, and it is more convenient and practical. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the utility model;

[0020] Figure 2 It is a structure schematic view of the utility model; Figure 1 It is a structure enlarged schematic view of A;

[0021] Figure 3 It is a structure enlarged schematic view of B; Figure 1 It is a structure enlarged schematic view of B;

[0022] Figure 4 It is a top view schematic view of connecting warehouse in the structure of the utility model.

[0023] In the drawing: 1 bottom plate, 2 water storage warehouse, 3 water outlet pipe, 4 water pump, 5 water inlet pipe, 6 water inlet groove, 7 filter screen, 8 upper mold plate, 9 lower mold plate, 10 connecting warehouse, 11 connecting pipe, 12 backflow pipe, 13 clamping plate, 14 supporting plate, 15 mounting plate, 16 heat conduction plate, 17 air extractor, 18 storage battery, 19 foaming cavity, 20 mounting groove, 21 make room hole. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one: please refer to Figures 1 to 4The quick cooling structure outside the foaming mold in the embodiment comprises an upper mold plate 8, a lower mold plate 9, and a foaming cavity 19 provided on the lower mold plate 9.

[0026] The bottom surface of the two support plates 14 is fixedly connected with a bottom plate 1. The outer circumferential wall of the lower mold plate 9 is sleeved with three connecting cavities 10. Two connecting cavities 10 are fixedly connected with two connecting pipes 11, one end of which extends into the connecting cavities 10. The inside of the lower mold plate 9 is provided with a plurality of mounting grooves 20. The inside of each mounting groove 20 is fixedly connected with a heat conduction plate 16, one end of which penetrates through the mounting groove 20 and extends to the bottom of the lower mold plate 9. The opposite side surface of each support plate 14 is fixedly connected with a mounting plate 15. The bottom surface of the two mounting plates 15 is fixedly connected with an air extractor 17. The left and right side surfaces of the lower mold plate 9 are fixedly connected with clamping plates 13. The bottom connecting cavity 10 is located between the two clamping plates 13.

[0027] The three connecting cavities 10 are all rectangular rings with hollow interiors. The three connecting cavities 10 are linearly and equidistantly distributed from top to bottom. The two clamping plates 13 are both L-shaped plates. The two clamping plates 13 are both attached to the bottom connecting cavity 10. The plurality of mounting grooves 20 are all in communication with the foaming cavity 19. There is no gap between the heat conduction plate 16 and the mounting groove 20. The top surface of the heat conduction plate 16 and the bottom surface of the foaming cavity 19 are located on the same horizontal plane.

[0028] It should be noted that the upper mold plate 8, the lower mold plate 9, and the air extractor 17 are all conventional devices known to the public in the prior art. Their specific structures and working principles will not be described here.

[0029] Specifically, the connecting cavities 10 are pushed so that the plurality of connecting cavities 10 are sleeved on the outer circumferential wall of the lower mold plate 9. The bottom connecting cavity 10 is attached to the clamping plate 13 to support the connecting cavities 10. The cooling liquid enters the inside of the top connecting cavity 10, and then fills the inside of the three connecting cavities 10 through the action of the connecting pipes 11. The lower mold plate 9 is cooled through the action of the cooling liquid. The heat conduction plate 16 guides the heat in the foaming cavity 19 to improve the cooling efficiency. The air extractor 17 is started to extract the heat at the bottom of the lower mold plate 9 to improve the heat dissipation efficiency.

[0030] Embodiment two: please refer to Figures 1 to 4In the embodiment, on the basis of the first embodiment, the bottom plate 1 is provided with a conveying assembly, the conveying assembly comprises a water storage bin 2, the water storage bin 2 is fixedly connected to the top surface of the bottom plate 1, the top surface of the water storage bin 2 is provided with a water inlet groove 6, the inside of the water inlet groove 6 is fixedly connected with a filter screen 7, the top surface of the water storage bin 2 is fixedly installed with a water pump 4, the water inlet end of the water pump 4 is fixedly installed with a water outlet pipe 3 which penetrates through the water storage bin 2 and extends into the inside of the water storage bin 2, the output end of the water pump 4 is fixedly installed with a water inlet pipe 5 which penetrates through the top connecting bin 10 and extends into the inside of the top connecting bin 10, the opposite side surfaces of the two supporting plates 14 are both provided with a clearance hole 21, the left side inner wall of the connecting bin 10 at the bottom is fixedly connected with a reflux pipe 12 which penetrates through the connecting bin 10 at the bottom and the clearance hole 21 and extends into the inside of the water storage bin 2, and the left side surface of the water storage bin 2 is fixedly installed with a storage battery 18.

[0031] The water outlet pipe 3 is fixedly connected with the water storage bin 2, the water inlet pipe 5 is fixedly connected with the top connecting bin 10, the shape of the water storage bin 2 is a hollow cuboid, the water inlet groove 6 is in communication with the inside of the water storage bin 2, the water inlet pipe 5 and the reflux pipe 12 are both flexible pipes, the length of the pipes can allow the connecting bin 10 to be separated from the lower mold plate 9, and the reflux pipe 12 and the clearance hole 21 are in clearance fit.

[0032] It should be noted that the water pump 4 and the storage battery 18 are both conventional devices known to the public in the prior art, and the specific structure and working principle thereof will not be described herein.

[0033] Specifically, the cooling liquid is poured into the inside of the water inlet groove 6, the liquid passes through the water inlet groove 6 and enters into the inside of the water storage bin 2, the liquid is filtered by the filter screen 7, so as to avoid impurities from entering into the inside of the water storage bin 2 as much as possible, the water pump 4 is started, the cooling liquid enters into the inside of the top connecting bin 10 through the conveying of the water outlet pipe 3 and the water inlet pipe 5, the cooling liquid is refluxed into the inside of the water storage bin 2 through the action of the reflux pipe 12, the reflux pipe 12 is supported through the clearance fit between the clearance hole 21 and the reflux pipe 12, and the stability of the reflux pipe 12 is improved.

[0034] The working principle of the above embodiment is as follows:

[0035] Push the connecting bin 10, make multiple connecting bin 10 suit on the outer wall of the lower mould plate 9, the bottom connecting bin 10 and the card board 13 are attached, support the connecting bin 10, pour the cooling liquid into the inside of the water inlet groove 6, the liquid passes through the water inlet groove 6 and enters the inside of the water storage bin 2, is filtered under the action of filter screen 7, tries to avoid the impurity and enters the inside of water storage bin 2, starts the water pump 4 and the air extractor 17, makes the cooling liquid enter the inside of the top connecting bin 10 under the delivery of water outlet pipe 3 and water inlet pipe 5, in turn makes the inside of three connecting bins 10 be filled with cooling liquid under the action of connecting pipe 11, in turn is cooled under the action of cooling liquid Handle the lower mould plate 9, the heat in the foaming cavity 19 is guided by the heat-conducting plate 16, improves the cooling efficiency, the heat at the bottom of the lower mould plate 9 is extracted by the air extractor 17, improves the heat dissipation efficiency, under the action of the backflow pipe 12, the cooling liquid is backflowed into the inside of the water storage bin 2, the backflow pipe 12 is supported by the gap cooperation between the backflow pipe 12 and the backflow hole 21, improves the stability of the backflow pipe 12.

[0036] The control mode of the utility model is controlled by the controller, and the control circuit of the controller can be realized by simple programming of those skilled in the art, and the provision of the storage battery to the power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Additionally, unless otherwise stated, the term "about" preceding a value or description denotes that the value or description is approximate and allows for a reasonable range of variability.

[0038] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An external rapid cooling structure for a foaming mold, comprising an upper mold plate (8), a lower mold plate (9), and a foaming cavity (19) formed on the lower mold plate (9), characterized in that: The bottom surface of the lower template (9) is fixedly connected with two support plates (14); A base plate (1) is fixedly connected between the bottom surfaces of the two support plates (14). Three connecting chambers (10) are fitted on the outer periphery of the lower template (9). Two connecting pipes (11) with one end extending into the interior are fixedly connected between two adjacent connecting chambers (10). A number of mounting slots (20) are opened inside the lower template (9). A heat-conducting plate (16) with one end penetrating through the mounting slot (20) and extending to the bottom of the lower template (9) is fixedly connected inside each of the multiple mounting slots (20). Mounting plates (15) are fixedly connected to the opposite sides of the two support plates (14). A fan (17) is fixedly installed between the bottom surfaces of the two mounting plates (15). A clamping plate (13) is fixedly connected to the left and right sides of the lower template (9). The connecting chamber (10) at the bottom is located between the two clamping plates (13). The base plate (1) is provided with a conveying assembly for conveying coolant.

2. The external rapid cooling structure for a foaming mold according to claim 1, characterized in that: The three connecting chambers (10) are all hollow rectangular rings, and the three connecting chambers (10) are linearly and equidistantly distributed from top to bottom.

3. The external rapid cooling structure for a foaming mold according to claim 2, characterized in that: Both of the card plates (13) are L-shaped plates, and both of the card plates (13) are attached to the bottom connecting compartment (10).

4. The external rapid cooling structure for a foaming mold according to claim 3, characterized in that: The multiple mounting slots (20) are all connected to the foaming cavity (19). There is no gap between the heat-conducting plate (16) and the mounting slots (20). The top surface of the heat-conducting plate (16) and the bottom surface of the foaming cavity (19) are on the same horizontal plane.

5. The external rapid cooling structure for a foaming mold according to claim 1, characterized in that: The conveying assembly includes a water storage tank (2), which is fixedly connected to the top surface of the base plate (1). A water inlet trough (6) is provided on the top surface of the water storage tank (2). A filter screen (7) is fixedly connected inside the water inlet trough (6). A water pump (4) is fixedly installed on the top surface of the water storage tank (2). An outlet pipe (3) is fixedly installed at the inlet end of the water pump (4), extending through the water storage tank (2) and into its interior. An inlet pipe (5) is fixedly installed at the output end, which passes through the top connecting compartment (10) and extends into it. A clearance hole (21) is provided on the opposite side of the two support plates (14). A return pipe (12) is fixedly connected to the left inner wall of the bottom connecting compartment (10), which passes through the bottom connecting compartment (10) and the clearance hole (21) and extends into the water storage tank (2). A storage battery (18) is fixedly installed on the left side of the water storage tank (2).

6. The external rapid cooling structure for a foaming mold according to claim 5, characterized in that: The water outlet pipe (3) and the water storage tank (2) are fixedly connected, and the water inlet pipe (5) and the top connecting tank (10) are fixedly connected.

7. The external rapid cooling structure for a foaming mold according to claim 6, characterized in that: The water storage tank (2) is a hollow cuboid, and the water inlet trough (6) and the water storage tank (2) are internally connected.

8. The external rapid cooling structure for a foaming mold according to claim 7, characterized in that: Both the inlet pipe (5) and the return pipe (12) are flexible hoses, and their length allows the connecting chamber (10) to be separated from the lower template (9). The return pipe (12) and the clearance hole (21) are fitted with a clearance.

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