Foam forming mold capable of preventing ejection cracking

Abstract

The utility model relates to the technical field of foam forming molds, in particular to a foam forming mold capable of preventing ejection cracking, which comprises a base, a support plate, a top plate and a servo motor, the upper end of the base is fixedly connected with the support plate, the side wall of the support plate is fixedly connected with the top plate, the upper end of the support plate is fixedly connected with the servo motor, and the top plate is fixedly connected with the servo motor. An anti-cracking structure is arranged above the base, a cooling structure is arranged above the base, the anti-cracking structure comprises a bottom die, the bottom die is fixedly arranged at the upper end of the base, an upper die is arranged above the bottom die, a male die is arranged in the upper die, and a gap is formed between the upper die and the male die. According to the foam forming die capable of preventing the ejection cracking, the periphery of foam can be cut and separated after the foam is formed, the cracking phenomenon in the ejection process is avoided, and the practicability and the cracking resistance of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foam molding dies, in particular to a foam molding die capable of preventing ejection cracking. Background Art

[0002] Foam molds are a type of plastic molds, which are divided into thermoplastic molds and thermosetting plastic molds. Thermoplastic molds have a wide range of applications due to their processing and molding characteristics, especially in the fields of daily necessities.

[0003] After the foam molding in the existing foam molding mold is cooled down, part of the foam will adhere to the inner wall of the bottom mold, which will easily cause the foam to crack during the demolding and ejection process, reducing the practicality of the device. Therefore, a foam molding mold that can prevent ejection cracking is urgently needed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a foam molding mold that can prevent cracking during ejection, so as to solve the problem mentioned in the above background technology that after the foam molding in the existing foam molding mold is cooled down, part of the foam will adhere to the inner wall of the bottom mold, which will easily cause the foam to crack during the demolding and ejection process, thereby reducing the practicality of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foam forming mold capable of preventing ejection cracking, comprising: a base, a support plate, a top plate and a servo motor, the upper end of the base is fixedly connected to the support plate, the side wall of the support plate is fixedly connected to the top plate, the upper end of the support plate is fixedly connected to the servo motor, an anti-cracking structure is arranged above the base, a cooling structure is arranged above the base, the anti-cracking structure comprises a bottom mold, the bottom mold is fixedly arranged at the upper end of the base, an upper mold is arranged above the bottom mold, a punch is arranged in the upper mold, a gap is arranged between the upper mold and the punch, the bottom end of the top plate is fixedly connected to an electric telescopic rod, the bottom end of the electric telescopic rod is fixedly connected to a fixing plate, and a cutter is arranged at the bottom end of the fixing plate.

[0006] Preferably, the servo motor output shaft is fixedly connected to a threaded rod, a threaded sleeve is threadedly connected to the surface of the threaded rod, a connecting block is fixedly connected to the side wall of the threaded sleeve, and the connecting block is fixedly connected to the outer wall of the upper mold.

[0007] Preferably, a connecting groove is provided inside the male mold, a connecting rod is inserted into the connecting groove, one end of the connecting rod away from the connecting groove is inserted into an insertion cavity, the insertion cavity is provided inside the upper mold, and a pull rod is fixedly connected to the side wall of the connecting rod.

[0008] Preferably, a sliding block is fixedly connected to the side wall of the screw sleeve, and the sliding block is slidably arranged inside a sliding groove, and the sliding groove is opened inside the support plate.

[0009] Preferably, the cooling structure includes a water inlet seat, which is arranged at the front end of the bottom mold. The water inlet seat is connected to a circulating cooling pipe, which is arranged inside a cavity inside the bottom mold. One end of the circulating cooling pipe away from the water inlet seat is connected to a drain seat, which is arranged at the front end of the bottom mold.

[0010] Preferably, the circulating cooling pipe is arranged in a spiral shape.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The foam molding mold capable of preventing ejection cracking is provided with an anti-cracking structure. When the foam molding mold is used, the servo motor is started to drive the threaded rod to rotate. Under the action of the thread, the thread sleeve is driven to move synchronously, and then the connecting block is driven to move synchronously, and finally the upper mold is driven to move, and the mold can be conveniently closed and opened. The convex mold arranged inside the upper mold can be closed with the bottom mold, and the foam raw material is introduced into the convex mold and the bottom mold. Then, the electric telescopic rod is started to drive the fixed plate to move downward, and then the cutter is driven to move downward synchronously, so that the molded foam is separated around the gap between the upper mold and the convex mold to avoid cracking during ejection. Through this design, the foam molding mold capable of preventing ejection cracking can cut and separate the foam around it after it is formed, so as to avoid cracking during ejection, thereby improving the practicability and anti-cracking performance of the device.

[0013] 2. The foam molding mold that can prevent ejection cracking is provided with a cooling structure. When the foam molding mold is used, cooling water can be injected from the water inlet seat during foam molding, so that it circulates inside the circulating cooling pipe, and the molded foam is circulated and cooled, which is convenient for cooling. Through this design, the foam molding mold that can prevent ejection cracking can conveniently cool the molded foam, thereby improving the practicability and cooling effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0015] Figure 2 It is a top view cross-sectional schematic diagram of a local structure of the utility model;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0017] Figure 4 For this utility model Figure 1 Enlarged schematic diagram of the structure at point B in the middle.

[0018] In the figure: 111, base; 112, support plate; 113, top plate; 114, servo motor; 2, anti-cracking structure; 211, bottom mold; 212, upper mold; 213, punch; 214, threaded rod; 215, screw sleeve; 216, connecting block; 217, electric telescopic rod; 218, fixing plate; 219, cutter; 220, connecting rod; 221, connecting groove; 222, insert cavity; 223, pull rod; 224, slider; 225, slide groove; 3, cooling structure; 311, water inlet seat; 312, circulating cooling pipe; 313, drainage seat. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 , an embodiment provided by the utility model:

[0021] A foam molding mold capable of preventing ejection cracking comprises: a base 111, a support plate 112, a top plate 113 and a servo motor 114, wherein the upper end of the base 111 is fixedly connected to the support plate 112, the side wall of the support plate 112 is fixedly connected to the top plate 113, the upper end of the support plate 112 is fixedly connected to the servo motor 114, an anti-cracking structure 2 is arranged above the base 111, a cooling structure 3 is arranged above the base 111, the anti-cracking structure 2 comprises a bottom mold 211, the bottom mold 211 is fixedly arranged at the upper end of the base 111, an upper mold 212 is arranged above the bottom mold 211, a convex mold 213 is arranged in the upper mold 212, and a space between the upper mold 212 and the convex mold 213 is provided. A gap is provided, and an electric telescopic rod 217 is fixedly connected to the bottom end of the top plate 113, and a fixed plate 218 is fixedly connected to the bottom end of the electric telescopic rod 217, and a cutter 219 is provided at the bottom end of the fixed plate 218. Through this design, when the foam molding mold is used, the convex mold 213 provided inside the upper mold 212 can be molded with the bottom mold 211, and the foam raw material is introduced into the convex mold 213 and the bottom mold 211, and then the electric telescopic rod 217 is started to drive the fixed plate 218 to move downward, and then drive the cutter 219 to move downward synchronously, so that it can separate the four sides of the molded foam through the gap between the upper mold 212 and the convex mold 213 to avoid cracking during ejection.

[0022] Furthermore, the output shaft of the servo motor 114 is fixedly connected to a threaded rod 214, the surface of the threaded rod 214 is connected to a screw sleeve 215 through a thread, the side wall of the screw sleeve 215 is fixedly connected to a connecting block 216, and the connecting block 216 is fixedly connected to the outer wall of the upper mold 212. Through this design, when the foam molding mold is used, the servo motor 114 is started to drive the threaded rod 214 to rotate, and under the action of the thread, the screw sleeve 215 is driven to move synchronously, and then the connecting block 216 is driven to move synchronously, and finally the upper mold 212 can be driven to move, and the mold can be conveniently closed and opened.

[0023] Furthermore, a connecting groove 221 is provided inside the punch 213, a connecting rod 220 is inserted inside the connecting groove 221, and the end of the connecting rod 220 away from the connecting groove 221 is inserted inside the insertion cavity 222, the insertion cavity 222 is provided inside the upper mold 212, and a pull rod 223 is fixedly connected to the side wall of the connecting rod 220. Through this design, after the mold is closed, when the upper mold 212 and the punch 213 need to be separated, the pull rod 223 can be pulled to drive the connecting rod 220 to move in the direction away from the connecting groove 221 until the connecting rod 220 moves out of the connecting groove 221, so as to facilitate the cutter 219 to pass through the gap between the upper mold 212 and the punch 213.

[0024] Furthermore, a slider 224 is fixedly connected to the side wall of the screw sleeve 215, and the slider 224 is slidably set inside the slide groove 225. The slide groove 225 is opened inside the support plate 112. Through this design, when the screw sleeve 215 moves, the slider 224 moves synchronously inside the slide groove 225, thereby realizing the limiting effect on the screw sleeve 215 and making its movement more stable.

[0025] Furthermore, the cooling structure 3 includes a water inlet seat 311, which is arranged at the front end of the bottom mold 211. A circulating cooling pipe 312 is connected to the water inlet seat 311, and the circulating cooling pipe 312 is arranged inside the cavity inside the bottom mold 211. The end of the circulating cooling pipe 312 away from the water inlet seat 311 is connected to a drain seat 313, and the drain seat 313 is arranged at the front end of the bottom mold 211. Through this design, when the foam molding mold is used, cooling water can be injected from the water inlet seat 311 during foam molding, so that it circulates inside the circulating cooling pipe 312, and the molded foam is circulated and cooled, which is convenient for cooling.

[0026] Furthermore, the circulating cooling pipe 312 is arranged in a spiral shape. Through this design, the circulating cooling pipe 312 is arranged in a spiral shape, the circulation area of ​​the cooling water inside the circulating cooling pipe 312 is increased, and the cooling efficiency is better.

[0027] Working principle:

[0028] When using the foam forming mold, start the servo motor 114 to drive the threaded rod 214 to rotate. Under the action of the thread, the thread sleeve 215 is driven to move synchronously, and then the connecting block 216 is driven to move synchronously, and finally the upper mold 212 can be driven to move, and the mold can be conveniently closed and opened. The punch 213 set inside the upper mold 212 can be closed with the bottom mold 211, and the foam raw material is introduced into the punch 213 and the bottom mold 211. Then, the electric telescopic rod 217 is started to drive the fixed plate 218 to move downward, and then the cutter 219 is driven to move downward synchronously, so that it can separate the four sides of the formed foam through the gap between the upper mold 212 and the punch 213 to avoid cracking during ejection.

[0029] When using the foam molding mold, during foam molding, cooling water can be injected from the water inlet seat 311 to circulate inside the circulating cooling pipe 312, and the molded foam can be circulated and cooled to facilitate cooling, and the operation is now completed.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A foam molding mold capable of preventing ejection cracking, comprising: A base (111), a support plate (112), a top plate (113) and a servo motor (114), wherein the upper end of the base (111) is fixedly connected to the support plate (112), the side wall of the support plate (112) is fixedly connected to the top plate (113), and the upper end of the support plate (112) is fixedly connected to the servo motor (114), characterized in that: an anti-cracking structure (2) is arranged above the base (111), a cooling structure (3) is arranged above the base (111), and the anti-cracking structure (2) includes a bottom The bottom mold (211) is fixedly arranged at the upper end of the base (111), an upper mold (212) is arranged above the bottom mold (211), a convex mold (213) is arranged in the upper mold (212), a gap is arranged between the upper mold (212) and the convex mold (213), the bottom end of the top plate (113) is fixedly connected to an electric telescopic rod (217), the bottom end of the electric telescopic rod (217) is fixedly connected to a fixing plate (218), and a cutter (219) is arranged at the bottom end of the fixing plate (218).

2. A foam forming mold capable of preventing ejection cracking according to claim 1, characterized in that: The output shaft of the servo motor (114) is fixedly connected to a threaded rod (214); a threaded sleeve (215) is threadedly connected to the surface of the threaded rod (214); a connecting block (216) is fixedly connected to the side wall of the threaded sleeve (215); and the connecting block (216) is fixedly connected to the outer wall of the upper mold (212).

3. A foam forming mold capable of preventing ejection cracking according to claim 1, characterized in that: A connecting groove (221) is provided inside the male mold (213), a connecting rod (220) is inserted inside the connecting groove (221), one end of the connecting rod (220) away from the connecting groove (221) is inserted inside an insert cavity (222), the insert cavity (222) is provided inside the upper mold (212), and a pull rod (223) is fixedly connected to the side wall of the connecting rod (220).

4. A foam forming mold capable of preventing ejection cracking according to claim 2, characterized in that: The side wall of the screw sleeve (215) is fixedly connected with a sliding block (224), and the sliding block (224) is slidably arranged inside a sliding groove (225), and the sliding groove (225) is opened inside the support plate (112).

5. A foam forming mold capable of preventing ejection cracking according to claim 1, characterized in that: The cooling structure (3) comprises a water inlet seat (311), the water inlet seat (311) being arranged at the front end of the bottom mold (211), a circulating cooling pipe (312) being connected to the water inlet seat (311), the circulating cooling pipe (312) being arranged inside a cavity inside the bottom mold (211), and one end of the circulating cooling pipe (312) away from the water inlet seat (311) being connected to a drain seat (313), the drain seat (313) being arranged at the front end of the bottom mold (211).

6. A foam forming mold capable of preventing ejection cracking according to claim 5, characterized in that: The circulating cooling pipe (312) is arranged in a spiral shape.

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