Paper-plastic product mold convenient to demold

Abstract

The utility model discloses a paper-plastic product mold convenient for demolding. The paper-plastic product mold comprises a bottom plate and a connecting plate fixed at the top of the bottom plate, a stamping structure is arranged on the front face of the connecting plate, and a lower die is arranged at the bottom of the stamping structure. And a demolding assembly is arranged at the top of the bottom plate and comprises connecting frames, the two connecting frames are symmetrically fixed and fixedly connected with the bottom of the lower mold, a mounting plate is fixedly connected to the top of the bottom plate, a motor is mounted on the reverse side of the mounting plate, a rotating block is rotationally connected to the front side of the mounting plate, and the output end of the motor is fixedly connected with the rotating block. According to the paper-plastic product mold convenient to demold, before a paper-plastic product is ejected out, the lower mold can be knocked, and the paper-plastic product can be demolded preliminarily, so that the situation that the paper-plastic product is directly ejected out, and the paper-plastic product is possibly damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of paper-plastic products, in particular to a paper-plastic product mould which is convenient for demoulding. Background Art

[0002] Paper-plastic products are a type of composite material that combines the properties of paper and plastic. Paper-plastic products are usually made by compounding paper and plastic through a specific process. They combine the flexibility of paper and the durability of plastic and have multiple uses and advantages.

[0003] Publication No. CN214737016U discloses a fully automated paper-plastic product mold. An annular tube is provided above the upper mold. The inner cavities at both ends of the hollow tube are connected to the inner cavities of the annular tube and the inner cavities of the suction cup, respectively. A vacuum pump is connected to the inner cavity of the annular tube via a connecting rod. When the vacuum pump operates, the inner cavity of the suction cup is evacuated. The electric push rod contracts and, through the adsorption action of the suction cup, separates the paper-plastic product from the lower mold. However, this patent still has the following problems in actual use:

[0004] After stamping, the paper plastic product may directly stick to the inner wall of the lower mold. If the paper plastic product is directly demoulded and taken out, the pulling force of the adhesion may cause damage to the paper plastic product, thereby affecting the appearance of the paper plastic product.

[0005] A paper-plastic product mould which is easy to demould is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the present invention is to provide a mold for paper plastic products that is easy to demold, so as to solve the problem mentioned in the above background art that the paper plastic products may directly stick to the inner wall of the lower mold after being stamped. If the paper plastic products are directly demolded, the pulling force of the adhesion may cause damage to the paper plastic products, thereby affecting the appearance of the paper plastic products.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a paper-plastic product mold that is easy to demold, comprising a bottom plate and a connecting plate fixed on the top of the bottom plate;

[0008] The front of the connecting plate is provided with a stamping structure, and the bottom of the stamping structure is provided with a lower mold;

[0009] Also includes:

[0010] A demoulding assembly is provided on the top of the base plate, and the demoulding assembly includes a connecting frame, two connecting frames are symmetrically fixed and fixedly connected to the bottom of the lower mold, and a mounting plate is fixedly connected to the top of the base plate, a motor is installed on the back of the mounting plate, and a rotating block is rotatably connected to the front of the mounting plate, and the output end of the motor is fixedly connected to the rotating block;

[0011] The front of the rotating block is fixedly connected to a connecting column, and a moving block is provided on the outside of the connecting column, and a sliding groove is provided in the middle of the moving block, and the connecting column slides inside the sliding groove;

[0012] Among them, the top of the moving block is symmetrically fixed with a connecting rod, and the top of the connecting rod is highly connected to the connecting block, and one side of the connecting frame is fixedly connected to a fixing plate.

[0013] Preferably, the front surface of the fixed plate is rotatably connected to a gear, and a coil spring is provided at the rotating shaft between the gear and the fixed plate.

[0014] Preferably, tooth blocks are symmetrically fixed on both sides of the connecting block, and the tooth blocks are meshed with the gears.

[0015] Preferably, a knock block is fixedly connected to the front face of the gear, and a sliding groove is provided inside the connecting frame, and the knock block slides inside the sliding groove.

[0016] Preferably, the inner side of the connecting block is fixedly connected to a first telescopic rod, and the interior of the lower mold is slidably connected to a push plate, and the first telescopic rod slides with the bottom of the lower mold and is fixedly connected to the push plate.

[0017] Preferably, a moving assembly is provided at the bottom of the base plate, and the moving assembly includes a threaded rod, and the threaded rod is rotatably connected to the base plate, and the external thread of the threaded rod is connected to a moving bar, and a second telescopic rod is symmetrically fixed between the moving bar and the base plate.

[0018] Preferably, a support shell is symmetrically fixed to the bottom of the base plate, and the moving bar is slidably connected to the support shell, and a roller is fixedly connected to the inside of the support shell, and the moving bar is fixedly connected to the roller.

[0019] Compared with the prior art, the beneficial effects of the present invention are: the mold for paper plastic products that is easy to demold can knock the lower mold before ejecting the paper plastic product, which can perform preliminary demolding on the paper plastic product, thereby avoiding directly ejecting the paper plastic product, which may cause damage to the paper plastic product. The specific contents are as follows:

[0020] 1. The motor will drive the rotating block to rotate, and then the rotating block will drive the position of the connecting column to change, and then the connecting column will drive the position of the moving block to rise through the slide slot, and the connecting rod will drive the position of the connecting block to rise. When the connecting block rises, it will drive the tooth blocks on both sides to rotate, and then the tooth blocks will drive the gears to rotate. The rotation of the gears will twist the coil spring. When the tooth blocks rise to a certain extent, they will be separated from the gears. At this time, the coil spring will reset, and then the coil spring will drive the gears to rotate, and then the gears will drive the knocking blocks to knock the lower mold, so that the lower mold can be knocked first to perform preliminary demoulding of the paper plastic products, and then the connection When the block rises, the first telescopic rod will be extended and retracted. After the knocking on the lower mold is completed, the first telescopic rod will be retracted to the shortest length, so that the first telescopic rod drives the position of the push plate to rise, thereby ejecting the paper plastic product so that the staff can take it. When the connecting column rotates to a certain extent, the position of the connecting rod will be driven down, and then the push plate will be driven to reset. At this time, the motor can be turned off to carry out the next stamping manufacturing. Before ejecting the paper plastic product, the lower mold can be knocked first to prevent the paper plastic product from sticking to the mold. Direct ejection may cause damage to the paper plastic product.

[0021] 2. The threaded rod can be rotated, and the threaded rod will drive the moving bar to move downward, and then the moving bar will drive the roller to move downward, and then the roller will contact the ground, making it easier to move the device. Secondly, before moving the roller out, you need to use external tools to lift the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0024] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0025] Figure 4 This is a side view of the connection structure of the motor of the utility model;

[0026] Figure 5 This is a schematic diagram of the gear rotation structure of the utility model;

[0027] Figure 6 This is a schematic diagram of the connection structure between the moving block and the connecting rod of the utility model.

[0028] In the figure: 1. Base plate; 2. Connecting plate; 201. Stamping structure; 202. Lower mold; 3. Demolding assembly; 301. Connecting frame; 302. Mounting plate; 303. Motor; 304. Rotating block; 305. Moving block; 3051. Connecting rod; 306. Connecting column; 307. Slide groove; 308. Connecting block; 309. Fixed plate; 310. Gear; 3101. Coil spring; 311. Tooth block; 312. Knocking block; 313. Sliding groove; 314. First telescopic rod; 315. Push plate; 4. Moving assembly; 401. Threaded rod; 402. Second telescopic rod; 403. Moving bar; 404. Support shell; 405. Roller. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1 - Figure 6 The utility model provides a technical solution: a paper plastic product mold that is easy to demold, comprising a bottom plate 1 and a connecting plate 2 fixed to the top of the bottom plate 1; a stamping structure 201 is provided on the front of the connecting plate 2, and a lower mold 202 is provided on the bottom of the stamping structure 201; a demolding assembly 3 is provided on the top of the bottom plate 1, and the demolding assembly 3 includes a connecting frame 301, two connecting frames 301 are symmetrically fixed and fixedly connected to the bottom of the lower mold 202, and a mounting plate 302 is fixedly connected to the top of the bottom plate 1, and a motor 303 is installed on the back of the mounting plate 302, and a rotating shaft 303 is connected to the front of the mounting plate 302 for rotation. Block 304, and the output end of the motor 303 is fixedly connected to the rotating block 304; wherein, the front of the rotating block 304 is fixedly connected to a connecting column 306, and a moving block 305 is provided on the outside of the connecting column 306, and a slide groove 307 is provided in the middle of the moving block 305, and the connecting column 306 slides inside the slide groove 307; wherein, the top of the moving block 305 is symmetrically fixed with a connecting rod 3051, and the top height of the connecting rod 3051 is connected to the connecting block 308, and one side of the connecting frame 301 is fixedly connected to a fixing plate 309, and the front of the fixing plate 309 is rotatably connected to a gear 310, such as Figure 1-4As shown, the motor 303 is started, so that the motor 303 drives the rotating block 304 to rotate, and then the rotating block 304 drives the position of the connecting column 306 to change, and then the connecting column 306 drives the position of the moving block 305 to rise through the sliding groove 307, and then the moving block 305 drives the position of the connecting rod 3051 to rise, and then the connecting rod 3051 drives the position of the connecting block 308 to rise, and when the connecting block 308 rises, it drives the tooth blocks 311 on both sides to rotate, and then the tooth blocks 311 drive the gear 310 to rotate. The rotation of the gear 310 will twist the coil spring 3101, and at the same time drive the knocking block 312 away from the lower mold 202. When one of the tooth blocks 311 rises to a certain extent, it will disengage from the gear 310. At this time, the coil spring 3101 will reset, and then the coil spring 3101 will drive the gear 310 to rotate. Then the gear 310 will drive the knocking block 312 to knock the lower mold 202, so that the lower mold 202 can be knocked first to perform a preliminary demoulding of the paper plastic product. A coil spring 3101 is provided at the rotating shaft between the gear 310 and the fixed plate 309.

[0031] Tooth blocks 311 are symmetrically fixed on both sides of the connecting block 308, and the tooth blocks 311 are meshed with the gear 310. A knock block 312 is fixedly connected to the front of the gear 310, and a sliding groove 313 is opened inside the connecting frame 301, and the knock block 312 slides inside the sliding groove 313. Secondly, the connection part between the knock block 312 and the sliding groove 313 can be made of elastic material in the prior art, so that when the tooth block 311 moves downward, it will not hinder the movement of the tooth block 311. The inner side of the connecting block 308 is fixedly connected to the first telescopic rod 314, and the inner side of the lower mold 202 is slidably connected to the push plate 315. Figure 1 、 3 As shown, the number of tooth blocks 311 is set according to needs, so that multiple knocks can be performed to demould before the paper mold is ejected. Secondly, as the number of tooth blocks 311 increases, the size of the connecting frame 301 and other parts also needs to be changed accordingly. When the connecting block 308 rises, the first telescopic rod 314 will be extended and retracted. After the knock on the lower mold 202 is completed, the first telescopic rod 314 will be retracted to the shortest length. When the connecting block 308 continues to rise, the first telescopic rod 314 will drive the position of the push plate 315 to rise, so that the paper mold can be ejected, thereby working. Personnel can take it, and when the connecting column 306 rotates to a certain extent, it will drive the position of the connecting rod 3051 to drop, and then the connecting rod 3051 will drive the reset of the connecting block 308, and then drive the reset of the push plate 315. At this time, the motor 303 can be turned off to carry out the next stamping manufacturing. Before ejecting the paper plastic product, the lower mold 202 can be knocked first to prevent the paper plastic product from sticking to the mold. Direct ejection may cause damage to the paper plastic product, and the first telescopic rod 314 slides with the bottom of the lower mold 202 and is fixedly connected to the push plate 315.

[0032] A moving assembly 4 is provided at the bottom of the base plate 1. The moving assembly 4 includes a threaded rod 401, and the threaded rod 401 is rotatably connected to the base plate 1. The external thread of the threaded rod 401 is connected to a moving bar 403, and a second telescopic rod 402 is symmetrically fixed between the moving bar 403 and the base plate 1. A supporting shell 404 is symmetrically fixed to the bottom of the base plate 1, and the moving bar 403 is slidably connected to the supporting shell 404, and a roller 405 is fixedly connected to the inside of the supporting shell 404. Figure 1 As shown, by rotating the threaded rod 401, the threaded rod 401 will drive the moving bar 403 to move downward, and then the moving bar 403 will drive the roller 405 to move downward, and then the roller 405 will contact the ground, thereby facilitating the movement of the device. Secondly, before moving the roller 405 out, it is necessary to use an external tool to lift the bottom plate 1, and the moving bar 403 is fixedly connected to the roller 405.

[0033] Working principle: Before using this paper plastic product mold that is easy to demold, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6As shown, first, when the paper plastic product in the lower mold 202 needs to be demoulded, the motor 303 can be started, so that the motor 303 will drive the rotating block 304 to rotate, and then the rotating block 304 will drive the position of the connecting column 306 to change, and then the connecting column 306 will drive the position of the moving block 305 to rise through the slide groove 307, and then the moving block 305 will drive the position of the connecting rod 3051 to rise, and then the connecting rod 3051 will drive the position of the connecting block 308 to rise, and when the connecting block 308 rises, it will drive the two The tooth block 311 on the side rotates, and then the tooth block 311 drives the gear 310 to rotate. The rotation of the gear 310 twists the coil spring 3101, and at the same time drives the knock block 312 away from the lower mold 202. When one of the tooth blocks 311 rises to a certain extent, it will be separated from the gear 310. At this time, the coil spring 3101 will reset, and then the coil spring 3101 will drive the gear 310 to rotate, and then the gear 310 will drive the knock block 312 to knock the lower mold 202, so that the lower mold 202 can be knocked first to perform a preliminary test on the paper plastic product. Demolding, secondly, the number of tooth blocks 311 can be set as needed, so that multiple knocks can be performed to demould before the paper plastic product is ejected. Secondly, as the number of tooth blocks 311 increases, the size of the connecting frame 301 and other parts also needs to be changed accordingly. When the connecting block 308 rises, the first telescopic rod 314 will be extended and retracted. After the knocking of the lower mold 202 is completed, the first telescopic rod 314 will be retracted to the shortest length. When the connecting block 308 continues to rise, the first telescopic rod 314 will drive the push plate 315 to The position of the connecting rod 3051 rises, so that the paper plastic product can be ejected, so that the staff can take it. When the connecting column 306 rotates to a certain extent, it will drive the position of the connecting rod 3051 to drop, and then the connecting rod 3051 will drive the connection block 308 to reset, and then drive the push plate 315 to reset. At this time, the motor 303 can be turned off to carry out the next stamping manufacturing. Before ejecting the paper plastic product, the lower mold 202 can be knocked first to prevent the paper plastic product from sticking to the mold. Direct ejection may cause damage to the paper plastic product.

[0034] The threaded rod 401 can be rotated, and the threaded rod 401 will drive the moving bar 403 to move downward, and then the moving bar 403 will drive the roller 405 to move downward, and then the roller 405 will contact the ground, thereby facilitating the movement of the device. Secondly, before moving the roller 405 out, it is necessary to use an external tool to lift the bottom plate 1.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A paper-plastic product mold that is easy to demould, comprising a base plate (1) and a connecting plate (2) fixed on the top of the base plate (1); A stamping structure (201) is provided on the front of the connecting plate (2), and a lower mold (202) is provided on the bottom of the stamping structure (201); It is characterized by: Also includes: A demoulding assembly (3) is provided on the top of the base plate (1), and the demoulding assembly (3) includes a connecting frame (301), two connecting frames (301) are symmetrically fixed and fixedly connected to the bottom of the lower mold (202), and a mounting plate (302) is fixedly connected to the top of the base plate (1), and a motor (303) is installed on the back side of the mounting plate (302), and a rotating block (304) is rotatably connected to the front side of the mounting plate (302), and the output end of the motor (303) is fixedly connected to the rotating block (304); The front of the rotating block (304) is fixedly connected to a connecting column (306), and a moving block (305) is provided outside the connecting column (306), and a sliding groove (307) is provided in the middle of the moving block (305), and the connecting column (306) slides inside the sliding groove (307); The top of the moving block (305) is symmetrically fixed with a connecting rod (3051), and the top of the connecting rod (3051) is highly connected to the connecting block (308), and one side of the connecting frame (301) is fixedly connected to a fixing plate (309).

2. The mold for paper-plastic products that is easy to demold according to claim 1, characterized in that: The front surface of the fixed plate (309) is rotatably connected to a gear (310), and a coil spring (3101) is provided at the rotating shaft between the gear (310) and the fixed plate (309).

3. The mold for paper-plastic products that is easy to demold according to claim 2, characterized in that: Gear blocks (311) are symmetrically fixed on both sides of the connecting block (308), and the gear blocks (311) are meshed and connected with the gears (310).

4. The mold for paper-plastic products that is easy to demold according to claim 2, characterized in that: A knock block (312) is fixedly connected to the front of the gear (310), and a sliding groove (313) is provided inside the connecting frame (301), and the knock block (312) slides inside the sliding groove (313).

5. The mold for paper-plastic products that is easy to demold according to claim 1, characterized in that: The inner side of the connecting block (308) is fixedly connected to a first telescopic rod (314), and the interior of the lower mold (202) is slidably connected to a push plate (315), and the first telescopic rod (314) slides with the bottom of the lower mold (202) and is fixedly connected to the push plate (315).

6. The mold for paper-plastic products that is easy to demold according to claim 1, characterized in that: A moving assembly (4) is provided at the bottom of the base plate (1), the moving assembly (4) comprising a threaded rod (401), the threaded rod (401) being rotatably connected to the base plate (1), the outer thread of the threaded rod (401) being connected to a moving bar (403), and a second telescopic rod (402) being symmetrically fixed between the moving bar (403) and the base plate (1).

7. The mold for paper-plastic products that is easy to demold according to claim 6, characterized in that: A support shell (404) is symmetrically fixed to the bottom of the base plate (1), and the moving bar (403) is slidably connected to the support shell (404), and a roller (405) is fixedly connected inside the support shell (404), and the moving bar (403) is fixedly connected to the roller (405).

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