Auxiliary demolding device for plastic product processing and forming

Abstract

The utility model discloses an auxiliary demoulding device for plastic product processing and forming, and relates to the technical field of plastic product processing and forming. The plastic product processing forming auxiliary demolding device comprises a base, a cooling mechanism and a demolding mechanism, a lower mold is placed at the top of the base, a U-shaped frame is fixedly installed at the top of the base, a forming groove is formed in the top of the lower mold, the demolding mechanism is arranged on the base and the lower mold, and the demolding mechanism comprises an ejector plate, a connecting rod, a mounting sleeve and a roller. A groove is formed in the bottom of the inner side of the forming groove, an ejector plate is placed in the groove in an attached mode, a connecting rod is arranged at the top of the inner side of the base, and one end of the connecting rod penetrates through the base and the lower die, extends into the groove and is fixedly connected with the bottom of the ejector plate. According to the plastic product processing forming auxiliary demolding device, through the demolding mechanism, when a plastic product in the lower mold is formed and taken out, the plastic product can be ejected out from the bottom of the inner side of the lower mold in an auxiliary mode, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product processing and molding, in particular to an auxiliary demoulding device for plastic product processing and molding. Background Art

[0002] The application document with announcement number CN219044100U discloses a plastic product demoulding and anti-adhesion device, including a workbench, a cooling box, a lower mold and an upper mold. The bottom end of the lower mold is arranged inside the top end of the cooling box, and the center of the top surface of the upper mold is fixedly connected to the top end of the output shaft of the telescopic cylinder. The telescopic cylinder is fixedly installed on the moving mechanism. The moving mechanism includes a support plate, an electric slide and an electric slider. The telescopic cylinder that drives the upper mold is installed on the moving mechanism, and a support plate, an electric slide and an electric slider are provided. The electric slider is used to slide back and forth on the electric slide, so that the telescopic cylinder and the upper mold can be driven by the electric slider to slide to one side, so that the lower mold is exposed, so that the plastic product formed on the lower mold can be taken, thereby solving the problem of inconvenience in taking plastic products and improving work efficiency.

[0003] However, when the above device is used to take out the molded plastic product, there is still adhesion between it and the mold, and direct removal will encounter resistance. It is difficult to pull it out manually, and it is difficult to take it out easily, which is time-consuming and labor-intensive. Therefore, we propose a plastic product processing and molding auxiliary demolding device. Utility Model Content

[0004] The utility model aims to provide a plastic product processing and molding auxiliary demoulding device, which can solve the problem that some existing devices are inconvenient to directly take out the plastic product.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a plastic product processing and molding auxiliary demoulding device, comprising:

[0006] A base, on top of which a lower mold is placed, a U-shaped frame is fixedly installed on the top of the base, and a molding groove is opened on the top of the lower mold;

[0007] A cooling mechanism is arranged on the lower mold and the U-shaped frame, and is used to cool the plastic product;

[0008] A demoulding mechanism is arranged on the base and the lower mold. The demoulding mechanism includes a ejector plate, a connecting rod, a mounting sleeve and a roller. A groove is opened at the inner bottom of the molding groove, and the ejector plate is placed in the groove. A connecting rod is arranged at the inner top of the base. One end of the connecting rod passes through the base and the lower mold, extends into the groove and is fixedly connected to the bottom of the ejector plate. The other end of the connecting rod is fixedly installed with a mounting sleeve, and a roller is rotatably installed between the front and rear inner walls of the mounting sleeve.

[0009] Preferably, the demoulding mechanism also includes a slider, a wedge block and a handle. A slide groove is opened on the inner top of the base, a wedge block is arranged in the base, a slider is fixedly installed on the top of the wedge block, the slider is slidably installed in the slide groove, and a handle is fixedly installed on the front outer surface of the wedge block.

[0010] Preferably, the cooling mechanism includes a water tank and cooling pipes, a water tank is fixedly mounted on the outer surface of one side of the U-shaped frame, a water pump is fixedly mounted on the inner bottom of the water tank, and at least two groups of cooling pipes are fitted around the periphery of the lower mold, one end of each group of cooling pipes is fixedly mounted on the inner wall of one side of the U-shaped frame and communicated with the output end of the water pump, and the other end of each group of cooling pipes is fixedly mounted on the inner wall of one side of the U-shaped frame and communicated with the interior of the water tank.

[0011] Preferably, a mounting groove is provided on one side of the water tank, and at least two groups of semiconductor refrigeration plates are fixedly installed on the inner wall of the mounting groove to continuously cool the cooling water to ensure its cooling effect.

[0012] Preferably, a hydraulic rod is fixedly installed on the top of the U-shaped frame, and the free end of the hydraulic rod passes through the U-shaped frame and is fixedly installed with an upper mold, and the upper mold is tightly attached to the lower mold.

[0013] Preferably, a material injection port communicating with the interior of the upper mold is fixedly installed on the front side of the upper mold.

[0014] Preferably, a control button is provided on one side outer surface of the base to facilitate control of the device.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The auxiliary demoulding device for processing and molding plastic products can assist in ejecting the plastic product from the bottom of the inner side of the lower mold through the demoulding mechanism after the plastic product in the lower mold is molded and taken out. This solves the problem that some existing devices encounter resistance when taking out the molded plastic product due to the adhesion between the plastic product and the mold, making it difficult to pull it out manually, and it is difficult to take it out easily, which is time-consuming and labor-intensive. The practicality of the device is improved.

[0017] (2) The auxiliary demoulding device for plastic product processing and molding continuously cools down the plastic product between the lower mold and the upper mold through a cooling mechanism during the molding process of the plastic product, thereby accelerating the molding of the plastic product. At the same time, under the action of the semiconductor refrigeration sheet, the water used for cooling in the water tank can be continuously cooled down, thereby ensuring the cooling effect of the device and facilitating the promotion and use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1It is a top perspective view of the utility model;

[0020] Figure 2 It is a bottom-up stereogram of the present utility model;

[0021] Figure 3 It is a front view of the utility model;

[0022] Figure 4 It is a three-dimensional cross-sectional view of the lower mold and the upper demoulding mechanism of the utility model;

[0023] Figure 5 It is a top perspective view of a part of the demoulding mechanism of the utility model;

[0024] Figure 6 It is a top perspective view of the cooling pipe of the present invention.

[0025] Figure numerals: 1. base; 2. lower mold; 3. U-shaped frame; 4. demoulding mechanism; 41. ejector plate; 42. connecting rod; 43. mounting sleeve; 44. roller; 45. slider; 46. wedge block; 47. handle; 5. cooling mechanism; 51. water tank; 52. cooling pipe; 6. semiconductor refrigeration plate; 7. hydraulic rod; 8. upper mold; 9. injection port; 10. control button. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] See also Figure 1-6 The utility model provides a technical solution: a plastic product processing and molding auxiliary demoulding device, comprising a base 1, a cooling mechanism 5 and a demoulding mechanism 4, a lower mold 2 is placed on the top of the base 1, a U-shaped frame 3 is fixedly installed on the top of the base 1, a molding groove is opened on the top of the lower mold 2, the cooling mechanism 5 is arranged on the lower mold 2 and the U-shaped frame 3, the cooling mechanism 5 is used to cool the plastic product, a hydraulic rod 7 is fixedly installed on the top of the U-shaped frame 3, the free end of the hydraulic rod 7 passes through the U-shaped frame 3 and is fixedly installed with an upper mold 8, the upper mold 8 is closely attached to the lower mold 2, and a material injection port 9 communicating with the interior of the upper mold 8 is fixedly installed on the front side of the upper mold 8, and a control button 10 is arranged on the outer surface of one side of the base 1;

[0028] The demoulding mechanism 4 is arranged on the base 1 and the lower mold 2, and the demoulding mechanism 4 includes a ejection plate 41, a connecting rod 42, a mounting sleeve 43 and a roller 44. A groove is opened at the inner bottom of the molding groove, and the ejection plate 41 is placed in the groove. A connecting rod 42 is arranged at the inner top of the base 1. One end of the connecting rod 42 passes through the base 1 and the lower mold 2, extends into the groove and is fixedly connected to the bottom of the ejection plate 41. The other end of the connecting rod 42 is fixedly installed with a mounting sleeve 43, and a roller 44 is rotatably installed between the front and rear inner walls of the mounting sleeve 43.

[0029] The demoulding mechanism 4 also includes a slider 45, a wedge block 46 and a handle 47. A slide groove is provided on the inner top of the base 1, and a wedge block 46 is arranged inside the base 1. A slider 45 is fixedly installed on the top of the wedge block 46, and the slider 45 is slidably installed in the slide groove. A handle 47 is fixedly installed on the front outer surface of the wedge block 46. Through the demoulding mechanism 4, when the plastic product in the lower mold 2 is formed and taken out, the plastic product can be assisted to be ejected from the inner bottom of the lower mold 2, which solves the problem that some existing devices, when taking out the formed plastic product, there is still adhesion between the plastic product and the mold, and direct taking will encounter resistance, making it difficult to pull out manually, and it is difficult to take out easily, which is time-consuming and labor-intensive, thereby improving the practicality of the device.

[0030] The cooling mechanism 5 includes a water tank 51 and a cooling pipe 52. The water tank 51 is fixedly installed on the outer surface of one side of the U-shaped frame 3, and a water pump is fixedly installed on the inner bottom of the water tank 51. At least two groups of cooling pipes 52 are fitted around the periphery of the lower mold 2. One end of each group of cooling pipes 52 is fixedly installed on the inner wall of one side of the U-shaped frame 3 and communicated with the output end of the water pump, and the other end of each group of cooling pipes 52 is fixedly installed on the inner wall of one side of the U-shaped frame 3 and communicated with the interior of the water tank 51. An installation groove is provided on one side of the water tank 51, and at least two groups of semiconductor refrigeration sheets 6 are fixedly installed on the inner wall of the installation groove. Through the cooling mechanism 5, the plastic product between the lower mold 2 and the upper mold 8 is continuously cooled and cooled during the molding process, thereby accelerating the molding of the plastic product. At the same time, under the action of the semiconductor refrigeration sheet 6, the water used for cooling in the water tank 51 can be continuously cooled, thereby ensuring the cooling effect of the device and being conducive to the promotion and use of the device.

[0031] Working principle: hot melt plastic is injected into the molding groove between the lower mold 2 and the upper mold 8 through the injection port 9, the water pump in the water tank 51 is controlled to start, the cooling water is pumped into each cooling tube 52 and flows back to the water tank 51 for circulation after cooling around the lower mold 2, the semiconductor refrigeration plate 6 is also started to continuously cool the cooling water until the plastic product is completed. The free end of the hydraulic rod 7 is controlled to shorten to drive the upper mold 8 to rise, exposing the plastic product. At the same time, the handle 47 is held to drive the wedge block 46 to slide to the middle, the wedge block 46 lifts the roller 44, and the ejector plate 41 is lifted by the connecting rod 42. The ejector plate 41 ejects the plastic product in the molding groove and removes it.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A plastic product processing and molding auxiliary demoulding device, characterized in that: include: A base (1) is provided with a lower mold (2) on its top, a U-shaped frame (3) is fixedly installed on the top of the base (1), and a molding groove is provided on the top of the lower mold (2); A cooling mechanism (5) is arranged on the lower mold (2) and the U-shaped frame (3), and the cooling mechanism (5) is used to cool the plastic product; A demoulding mechanism (4) is arranged on the base (1) and the lower mold (2), and comprises a ejector plate (41), a connecting rod (42), a mounting sleeve (43) and a roller (44). A groove is provided at the inner bottom of the molding groove, and the ejector plate (41) is placed in the groove. A connecting rod (42) is provided at the inner top of the base (1). One end of the connecting rod (42) passes through the base (1) and the lower mold (2) and extends into the groove and is fixedly connected to the bottom of the ejector plate (41). The other end of the connecting rod (42) is fixedly mounted with a mounting sleeve (43), and a roller (44) is rotatably mounted between the front and rear inner walls of the mounting sleeve (43).

2. The auxiliary demoulding device for plastic product processing and molding according to claim 1, characterized in that: The demoulding mechanism (4) further comprises a slider (45), a wedge block (46) and a handle (47); a slide groove is provided on the inner top of the base (1); a wedge block (46) is arranged in the base (1); a slider (45) is fixedly installed on the top of the wedge block (46); the slider (45) is slidably installed in the slide groove; and a handle (47) is fixedly installed on the front outer surface of the wedge block (46).

3. The auxiliary demoulding device for plastic product processing and molding according to claim 2, characterized in that: The cooling mechanism (5) comprises a water tank (51) and a cooling pipe (52); the water tank (51) is fixedly mounted on the outer surface of one side of the U-shaped frame (3); a water pump is fixedly mounted on the inner bottom of the water tank (51); at least two groups of cooling pipes (52) are fitted around the periphery of the lower mold (2); one end of each group of cooling pipes (52) is fixedly mounted on the inner wall of one side of the U-shaped frame (3) and communicates with the output end of the water pump; the other end of each group of cooling pipes (52) is fixedly mounted on the inner wall of one side of the U-shaped frame (3) and communicates with the interior of the water tank (51).

4. The auxiliary demoulding device for plastic product processing and molding according to claim 3, characterized in that: A mounting groove is provided on one side of the water tank (51), and at least two groups of semiconductor cooling sheets (6) are fixedly mounted on the inner wall of the mounting groove.

5. The auxiliary demoulding device for plastic product processing and molding according to claim 4, characterized in that: A hydraulic rod (7) is fixedly mounted on the top of the U-shaped frame (3); the free end of the hydraulic rod (7) passes through the U-shaped frame (3) and is fixedly mounted with an upper mold (8); the upper mold (8) is tightly attached to the lower mold (2).

6. The auxiliary demoulding device for plastic product processing and molding according to claim 5, characterized in that: A material injection port (9) communicating with the interior of the upper mold (8) is fixedly mounted on the front side of the upper mold (8).

7. The auxiliary demoulding device for plastic product processing and molding according to claim 6, characterized in that: A control button (10) is provided on one outer surface of the base (1).

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