Molding structure of plastic vacuum forming machine

Abstract

The utility model provides a plastic vacuum forming machine forming structure which comprises a support, a forming mold arranged on the support, a heating device arranged on the top of the forming mold, a first air cylinder arranged on the top of the support, a cooling mechanism arranged on the support, and a second air cylinder arranged on the top of the cooling mechanism, the cooling mechanism facilitates demolding of plastic products and comprises a box fixed to the support, two sets of supporting rods distributed in a bilateral symmetry mode are fixed to the top of the box, and the top ends of the supporting rods are fixedly connected with the bottom of the forming mold. The forming structure of the plastic vacuum forming machine provided by the utility model solves the problems that the forming quality of a plastic product is influenced and the product quality is influenced because the surface of the plastic product is easily stretched to deform when the plastic product is upwards stretched to be demoulded because the inner wall of a mould cavity is easily adhered in the product demoulding process of the existing thermoplastic material. And the processing efficiency of plastic products is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum forming machine molding, in particular to a vacuum forming machine molding structure. Background Art

[0002] The blister machine is a device that uses vacuum and different molds to absorb thermoplastic plastic coils into plastic products of various shapes. It is mainly used for the molding of thermoplastic sheets.

[0003] At present, when the thermoplastic coil is processed by the vacuum forming machine, the vacuum suction force generated by the vacuum pump is used to change the shape of the heated and softened thermoplastic coil through the mold, so that it is formed close to the inner wall of the mold cavity, and various blister products are obtained during demolding. Since the thermoplastic material is easy to adhere to the inner wall of the mold cavity during the demolding process of the product, when the plastic product is stretched upward for demolding, its surface is easily stretched and deformed, which affects the molding quality of the plastic product and reduces the processing efficiency of the plastic product.

[0004] Therefore, it is necessary to provide a new blister molding structure to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a vacuum forming machine forming structure which can prevent the surface of plastic products from being deformed.

[0006] The utility model provides a vacuum forming machine forming structure, comprising a bracket, a forming mold is arranged on the bracket, a heating device is arranged on the top of the forming mold, a cylinder is arranged on the top of the bracket, a push rod of the cylinder passes through the bracket and is fixedly connected to the top of the heating device, and a cooling mechanism is arranged on the bracket, which facilitates demoulding of plastic products.

[0007] The cooling mechanism includes a box body fixed on a bracket, two groups of support rods symmetrically distributed on the top of the box body are fixed, the top of the support rods are fixedly connected to the bottom of the forming mold, a water pump is arranged on the bracket and located on one side of the box body, a water pump is connected to one side of the water pump with a water pump pipe, the other end of the water pump pipe extends to the inside of the box body, a water inlet pipe is connected to the top of the water pump, a cooling chamber is provided inside the forming mold, and the other end of the water inlet pipe passes through the forming mold and extends to the inside of the cooling chamber.

[0008] In order to achieve the effect of recycling water in the cooling chamber, the utility model provides a vacuum forming machine molding structure. Preferably, two recovery pipes are connected to the top of the box body, valves are provided on the recovery pipes, and the top ends of the recovery pipes pass through the molding mold and extend to the inside of the cooling chamber.

[0009] In order to achieve the effect of adding ice to the inside of the box, the utility model provides a blister molding structure. Preferably, a heat-insulating layer is provided inside the box, a through hole is opened on the top of the box, a sealing cover is inserted into the through hole, and a heat-insulating pad is fixedly connected to the bottom end of the sealing cover.

[0010] In order to achieve the effect of adjusting the use height of the bracket and the mold, the utility model provides a vacuum forming machine molding structure. Preferably, the bottom end of the bracket is connected to a first bottom plate, two support blocks symmetrically distributed on the bottom of the first bottom plate are fixed, the bottom end of the support block is fixedly connected to a second bottom plate, and a cylinder 2 is arranged on the top of the second bottom plate, and the top rod of the cylinder 2 passes through the first bottom plate and is fixedly connected to the bottom of the bracket.

[0011] In order to achieve a more stable effect when the bracket moves upward, the utility model provides a blister forming structure. Preferably, two groups of fixed blocks symmetrically distributed on the left and right are fixed to the outside of the bracket, and a telescopic block is fixedly connected to the bottom of the fixed block. Two groups of vertical blocks symmetrically distributed on the left and right are fixed to the top of the first bottom plate, and the telescopic blocks are inserted into the telescopic grooves opened in the vertical blocks.

[0012] In order to achieve a more firm and reliable effect of the telescopic block in the telescopic groove, as the utility model provides a vacuum forming machine forming structure, preferably, a limiting bolt is provided on one side of the vertical block, one end of the limiting bolt is screwed into the threaded hole opened in the vertical block, and one end of the limiting bolt extends out of the threaded hole and is inserted into the limiting groove opened in the telescopic block.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The forming structure of the vacuum forming machine can cool and shape the surface of the plastic product by adopting a cooling mechanism, so that the surface of the plastic product is more compact, and deformation of the surface of the plastic product during demoulding is avoided, so that the molding quality of the plastic product is higher, thereby improving the processing efficiency of the plastic product, and solving the problem that the existing thermoplastic material is easy to adhere to the inner wall of the mold cavity during the product demoulding process, so that when the plastic product is stretched upward for demoulding, its surface is easily stretched and deformed, which affects the molding quality of the plastic product and reduces the processing efficiency of the plastic product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of the blister forming structure provided by the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the height adjustment of the bracket of the utility model;

[0018] Figure 4 This is a three-dimensional diagram of the box structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection between the fixed block and the vertical block of the utility model.

[0020] Wherein: 1. bracket; 101. box body; 102. support rod; 103. water pump; 104. water pump pipe; 105. water inlet pipe; 106. recovery pipe; 107. valve; 108. insulation layer; 109. through hole; 110. sealing cover; 111. insulation pad; 112. first bottom plate; 113. support block; 114. second bottom plate; 115. cylinder two; 116. fixed block; 117. telescopic block; 118. vertical block; 119. telescopic slot; 120. limit bolt; 121. threaded hole; 122. limit slot; 2. molding die; 201. cooling chamber; 3. heating device; 4. cylinder one. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A structural schematic diagram of a preferred embodiment of the blister forming structure provided by the utility model; Figure 2 It is a three-dimensional diagram of the structure of the utility model; Figure 3 This is a schematic diagram of the height adjustment of the bracket of the utility model; Figure 4 This is a three-dimensional diagram of the box structure of the utility model; Figure 5 A vacuum forming machine forming structure, including a bracket 1, a forming mold 2 is arranged on the bracket 1, a heating device 3 is arranged on the top of the forming mold 2, the heating device 3 is used to heat the plastic coil passing through the upper surface of the mold, a cylinder 4 is arranged on the top of the bracket 1, the top rod of the cylinder 4 passes through the bracket 1 and is fixedly connected to the top of the heating device 3, a cooling mechanism is arranged on the bracket 1, and the cooling mechanism facilitates the demoulding of the plastic product; the cooling mechanism includes a box body 101 fixed on the bracket 1, and the top of the box body 101 is fixed There are two groups of support rods 102 that are symmetrically distributed on the left and right. The top of the support rods 102 is fixedly connected to the bottom of the molding mold 2. A water pump 103 is arranged on the bracket 1 and located on one side of the box body 101. A water pump 104 is connected to one side of the water pump 103. The other end of the water pump 104 extends to the inside of the box body 101. A water inlet pipe 105 is connected to the top of the water pump 103. A cooling chamber 201 is opened inside the molding mold 2. The other end of the water inlet pipe 105 penetrates the molding mold 2 and extends to the inside of the cooling chamber 201.

[0023] Through the above technical solution, the inside of the box 101 is filled with ice water. Before the plastic product is demoulded, the water pump 103 draws the ice water in the box 101 through the water pump pipe 104 and enters the water inlet pipe 105, and then enters the cooling chamber 201 through the water inlet pipe 105. The heated plastic product is cooled and shaped by the ice water, making the surface of the plastic product more compact, avoiding the deformation of the surface of the plastic product due to stretching, and then the plastic product can be demoulded, effectively improving the molding quality of the plastic product, and then improving the processing efficiency of the plastic product.

[0024] Reference Figure 1 and Figure 4 Two recovery pipes 106 are connected to the top of the box body 101, and valves 107 are arranged on the recovery pipes 106. The top ends of the recovery pipes 106 pass through the molding mold 2 and extend to the inside of the cooling chamber 201. After the plastic product is demoulded, the valve 107 is opened to allow the ice water in the cooling chamber 201 to enter the box body 101 through the recovery pipes 106 for recycling, thereby effectively improving the utilization efficiency of the ice water.

[0025] Reference Figure 1 and Figure 4 A heat-insulating layer 108 is provided inside the box body 101, a through hole 109 is opened on the top of the box body 101, a sealing cover 110 is inserted into the through hole 109, and a heat-insulating pad 111 is fixedly connected to the bottom end of the sealing cover 110. The heat-insulating layer 108 can insulate the box body 101 to make the temperature of the ice water evaporate more slowly. After removing the sealing cover 110, the ice cubes can be poured into the box body 101 through the through hole 109, making the use of ice water more convenient.

[0026] Reference Figure 1 , Figure 2 and Figure 3 The bottom end of the bracket 1 is connected to a first bottom plate 112, and two support blocks 113 symmetrically distributed on the left and right are fixed to the bottom of the first bottom plate 112. The bottom end of the support block 113 is fixedly connected to a second bottom plate 114, and a cylinder 2 115 is arranged on the top of the second bottom plate 114. The top rod of the cylinder 2 115 penetrates the first bottom plate 112 and is fixedly connected to the bottom of the bracket 1. The top rod of the cylinder 2 115 drives the bracket 1 to move upward, and drives the forming mold 2 to move upward through the bracket 1, so that the use height of the forming mold 2 can be adjusted, which is convenient for workers of different heights to use the forming mold 2, and effectively improves the practicality of the forming mold 2.

[0027] Reference Figure 1 , Figure 2 and Figure 3Two groups of fixed blocks 116 symmetrically distributed on the left and right are fixed to the outside of the bracket 1, and a telescopic block 117 is fixedly connected to the bottom of the fixed block 116. Two groups of vertical blocks symmetrically distributed on the left and right are fixed to the top of the first bottom plate 112. The telescopic block 117 is inserted into the telescopic groove 119 opened in the vertical block 118. When the bracket 1 moves upward, the fixed block 116 and the telescopic block 117 are driven to move synchronously, so that the telescopic block 117 moves upward in the telescopic groove 119. Through the cooperation of the fixed block 116 and the telescopic block 117, the bracket 1 is more stable when it moves upward.

[0028] Reference Figure 3 and Figure 5 A limiting bolt 120 is provided on one side of the vertical block 118, one end of the limiting bolt 120 is screwed into a threaded hole 121 provided in the vertical block 118, and one end of the limiting bolt 120 extends out of the threaded hole 121 and is inserted into a limiting groove 122 provided in the telescopic block 117. After the telescopic block 117 moves upward in the telescopic groove 119, the limiting bolt 120 is rotated, and one end of the limiting bolt 120 is inserted into the limiting groove 122 through the screw connection between the limiting bolt 120 and the threaded hole 121. The telescopic block 117 can be fixed by the cooperation between the limiting bolt 120 and the limiting groove 122 to prevent the telescopic block 117 from sliding down, so that the telescopic block 117 is more firmly and reliably in the telescopic groove 119.

[0029] The implementation principle of the forming structure of a vacuum forming machine of the utility model embodiment is as follows: by adopting a cooling mechanism, the interior of the box body 101 is filled with ice water. Before the plastic product is demoulded, the water pump 103 draws the ice water in the box body 101 into the water inlet pipe 105 through the water pump pipe 104, and then enters the interior of the cooling chamber 201 through the water inlet pipe 105. The heated plastic product is cooled and shaped by the ice water, making the surface of the plastic product more compact, avoiding the deformation of the surface of the plastic product due to stretching, and then the plastic product can be demoulded, effectively improving the molding quality of the plastic product, and then improving the processing efficiency of the plastic product.

[0030] The standard parts used in the utility model can all be purchased from the market, special-shaped parts can be customized according to the description in the specification and the drawings, the specific connection methods of each part all 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, and the components known to technical personnel in this field, their structures and principles can be known to these technical personnel through technical manuals or through conventional experimental methods.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blister forming machine structure, characterized in that: The invention comprises a support (1), a forming mold (2) is arranged on the support (1), a heating device (3) is arranged on the top of the forming mold (2), a cylinder (4) is arranged on the top of the support (1), a top rod of the cylinder (4) passes through the support (1) and is fixedly connected to the top of the heating device (3), and a cooling mechanism is arranged on the support (1), and the cooling mechanism facilitates demoulding of the plastic product; The cooling mechanism comprises a box body (101) fixed on a support (1); two groups of support rods (102) symmetrically distributed on the top of the box body (101) are fixed; the top ends of the support rods (102) are fixedly connected to the bottom of the molding die (2); a water pump (103) is arranged on the support (1) and located on one side of the box body (101); one side of the water pump (103) is connected to a water pump pipe (104); the other end of the water pump pipe (104) extends to the inside of the box body (101); the top of the water pump (103) is connected to a water inlet pipe (105); a cooling chamber (201) is provided inside the molding die (2); the other end of the water inlet pipe (105) passes through the molding die (2) and extends to the inside of the cooling chamber (201).

2. A blister forming machine structure according to claim 1, characterized in that: Two recovery pipes (106) are connected to the top of the box body (101), and valves (107) are provided on the recovery pipes (106). The top ends of the recovery pipes (106) penetrate the molding die (2) and extend to the interior of the cooling chamber (201).

3. The blister forming structure according to claim 1, characterized in that: A heat-insulating layer (108) is arranged inside the box body (101), a through hole (109) is opened on the top of the box body (101), a sealing cover (110) is inserted into the through hole (109), and a heat-insulating pad (111) is fixedly connected to the bottom end of the sealing cover (110).

4. A blister forming machine structure according to claim 1, characterized in that: The bottom end of the bracket (1) is connected to a first bottom plate (112), two support blocks (113) symmetrically distributed on the left and right are fixed to the bottom of the first bottom plate (112), the bottom end of the support block (113) is fixedly connected to a second bottom plate (114), the top of the second bottom plate (114) is provided with a second cylinder (115), the top rod of the second cylinder (115) passes through the first bottom plate (112) and is fixedly connected to the bottom of the bracket (1).

5. A blister forming structure according to claim 4, characterized in that: Two groups of fixed blocks (116) symmetrically distributed on the left and right are fixed on the outside of the bracket (1); a telescopic block (117) is fixedly connected to the bottom of the fixed block (116); two groups of vertical blocks (118) symmetrically distributed on the left and right are fixed on the top of the first bottom plate (112); the telescopic block (117) is inserted into a telescopic slot (119) provided in the vertical block (118).

6. A blister forming machine structure according to claim 5, characterized in that: A limiting bolt (120) is provided on one side of the vertical block (118), one end of the limiting bolt (120) is screwed into a threaded hole (121) provided in the vertical block (118), and one end of the limiting bolt (120) extending out of the threaded hole (121) is inserted into a limiting groove (122) provided in the telescopic block (117).

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