CN213321218U

CN213321218U - Plastic mold externally provided with automatic demolding structure

Info

Publication number: CN213321218U
Application number: CN202021924726.1U
Authority: CN
Inventors: 胡云桥
Original assignee: Baoji Yunqiao Precision Mould Co ltd
Current assignee: Baoji Yunqiao Precision Mould Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-01
Anticipated expiration: 2030-09-07

Abstract

The utility model provides an external plastic mould that is equipped with automatic demoulding structure relates to the automatic demoulding field, including last mould, bed die, ejecting structure, opening device, the bottom of going up the mould is provided with the bed die, the front end fixed mounting of bed die has ejecting structure, the front end of going up the mould is provided with opening device, ejecting structure includes the rectangular block, rectangular block fixed mounting is at the front end of bed die, the rectangular channel has been seted up to the inside of rectangular block, the slide rail has all been seted up to the both sides of rectangular channel, the spout has been seted up to one side of slide rail, one side of spout is seted up flutedly, the inside rotation of rectangular channel is connected with the roller gear, the inside sliding connection of rectangular channel has the rack, one side fixed mounting of rack has the clamp plate, the bottom fixed mounting of spout has the spring. Through setting up ejecting structure, in the implementation, when having solved the mould in reality and droing, need the artifical condition of taking out it, the condition that the operation is wasted time and energy when the finished product after having prevented the shaping drops, and can not damage the mould.

Description

Plastic mold externally provided with automatic demolding structure

Technical Field

The utility model relates to an automatic drawing of patterns field especially relates to an external plastic mould that is equipped with automatic demoulding structure.

Background

The plastic mould is a combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, and can process a series of plastic parts with different shapes and sizes by the coordinated change of a mould convex mould, a mould concave mould and an auxiliary moulding system.

When the mould drops in reality, need the manual work to take out it, the operation is wasted time and energy when leading to the finished product after the shaping to drop, and causes the damage to the mould easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an external plastic mold with an automatic demolding structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the external plastic mould with the automatic demoulding structure comprises an upper mould, a lower mould, an ejection structure and an opening device, wherein the lower mould is arranged at the bottom of the upper mould, the ejection structure is fixedly mounted at the front end of the lower mould, and the opening device is arranged at the front end of the upper mould.

The ejection structure comprises a rectangular block, the rectangular block is fixedly mounted at the front end of the lower die, a rectangular groove is formed in the rectangular block, slide rails are arranged on two sides of the rectangular groove, a slide groove is formed in one side of the slide rail, a groove is formed in one side of the slide groove, a cylindrical gear is connected to the rectangular groove in a rotating mode, a rack is connected to the rectangular groove in a sliding mode, a pressing plate is fixedly mounted on one side of the rack, a spring is fixedly mounted at the bottom of the slide groove, a casing is fixedly mounted at the top of the spring, a roller is connected to the casing in a rotating mode, a connecting block is fixedly mounted on one side of the casing, an ejector block is fixedly mounted at the top of the connecting block, and a crank is connected to the.

Preferably, the opening device comprises a threaded rod, the threaded rod is fixedly installed at the top of the lower die, the upper die is sleeved on the surface of the threaded rod, an annular groove is formed in the bottom of the upper die, a circular groove is formed in the top of the annular groove, a sliding block is connected to the inside of the circular groove in a sliding mode, a cylinder is fixedly installed at the bottom of the sliding block, a gear disc is fixedly installed at the bottom of the cylinder, a disc gear is connected to the front end of the upper die in a rotating mode, and a rocker is fixedly installed at the front end of the disc gear.

Preferably, the number of the racks is two, the two sets of racks are respectively connected to the upper end and the lower end of the cylindrical gear in a sliding mode, and the racks are meshed with the cylindrical gear.

Preferably, clamp plate sliding connection is in the inside of slide rail, cover shell sliding connection is in the inside of spout, the equal sliding connection of connecting block and kicking block is in the inside of recess.

Preferably, the disc gear is meshed with the gear disc, and the gear disc is sleeved on the surface of the threaded rod.

Preferably, the gear disc is internally provided with threads, and the threaded rod is meshed with the threads of the gear disc.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the ejection structure, in the implementation, the operator rotates the crank, the crank drives the cylindrical gear to rotate at the moment, because the cylindrical gear and the rack are meshed with each other, when the cylindrical gear rotates, the cylindrical gear can drive two groups of racks to separate from each other or draw close to each other, because one side of the rack is fixedly provided with the pressing plate, the rack drives the pressing plate to move, when the product needs to be ejected, the operator rotates the crank anticlockwise, the crank drives the pressing plates to draw close to each other at the moment, the roller is released at the moment, so that the sleeve shell moves upwards under the elastic action of the spring, when the sleeve shell moves, the sleeve shell drives the connecting block to move upwards, at the moment, the ejector block moves upwards under the driving of the connecting block, the operator rotates the crank clockwise, the crank drives the pressing plates to separate from each other at the moment, when the pressing plates move, the pressing plates, when the shell removed, the shell drove the connecting block and moved down, and the kicking block passed through the drive of connecting block and moved down this moment, and the kicking block was to fixed this moment, and the mould can continue processing this moment, when having solved droing of mould in the reality, needs the manual work to take out its condition, and the finished product after having prevented the shaping is operated the condition that wastes time and energy when droing, and can not damage the mould.

2. In the utility model, through setting the opening device, in the implementation, the operator holds the rocker and rotates the rocker, the rocker drives the disc gear to rotate, because the disc gear is meshed with the gear disc, so when the disc gear rotates, the disc gear drives the gear disc to rotate, because the top of the gear disc is fixedly provided with a cylinder and the cylinder is connected in the annular groove in a sliding way, the gear disc can rotate at the lower end of the upper die at the moment, because the top of the cylinder is fixedly provided with a slide block and the slide block is connected in the circular groove in a sliding way, the slide block can support the upper die at the moment, because the inside of the gear disc is provided with threads and the threads of the threaded rod and the gear disc are meshed with each other, when the gear disc rotates on the surface of the threaded rod and rises, the upper die also rises, when the upper die completely slides out from the, the operator can clean the plastic left in the upper and lower molds so that the finished product can be better molded.

Drawings

FIG. 1 is a schematic structural view of a plastic mold externally provided with an automatic demolding structure;

FIG. 2 is a partial cross-sectional view of the plastic mold externally provided with an automatic demolding structure;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is an enlarged view of the position B in fig. 2.

Illustration of the drawings:

1. an upper die; 2. a lower die; 3. an ejection structure; 301. a rectangular block; 302. a rectangular groove; 303. a slide rail; 304. a chute; 305. a groove; 306. a cylindrical gear; 307. a rack; 308. pressing a plate; 309. a spring; 310. a housing; 311. a drum; 312. connecting blocks; 313. a top block; 314. a crank; 4. opening the device; 401. a threaded rod; 402. an annular groove; 403. a circular groove; 404. a slider; 405. a cylinder; 406. a gear plate; 407. a disc gear; 408. a rocker.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

An embodiment, as shown in fig. 1, the utility model provides an external plastic mould that is equipped with automatic demoulding structure, including last mould 1, bed die 2, ejecting structure 3, opening device 4, the bottom of going up mould 1 is provided with bed die 2, and the front end fixed mounting of bed die 2 has ejecting structure 3, and the front end of going up mould 1 is provided with opening device 4.

The specific arrangement and function of the ejection structure 3 will be described in detail below.

As shown in fig. 2 and 3, the ejection structure 3 includes a rectangular block 301, the rectangular block 301 is fixedly installed at the front end of the lower mold 2, a rectangular groove 302 is formed inside the rectangular block 301, slide rails 303 are formed on both sides of the rectangular groove 302, a slide groove 304 is formed on one side of each slide rail 303, a groove 305 is formed on one side of each slide groove 304, a cylindrical gear 306 is rotatably connected inside the rectangular groove 302, a rack 307 is slidably connected inside the rectangular groove 302, a pressing plate 308 is fixedly installed on one side of the rack 307, a spring 309 is fixedly installed at the bottom of each slide groove 304, a casing 310 is fixedly installed on the top of each spring 309, a roller 311 is rotatably connected inside each casing 310, a connecting block 312 is fixedly installed on one side of each casing 310, a top block 313 is fixedly installed on the top of each connecting block 312, a crank 314 is rotatably connected to the front end of each cylindrical gear 306, the number of the racks 307, the rack 307 and the cylindrical gear 306 are engaged with each other, the pressure plate 308 is slidably connected inside the sliding rail 303, the casing 310 is slidably connected inside the sliding chute 304, and the connecting block 312 and the top block 313 are both slidably connected inside the groove 305.

The effect that the whole ejecting structure 3 achieves is that, by arranging the ejecting structure 3, in the implementation, an operator rotates the crank 314, at this time, the crank 314 drives the cylindrical gear 306 to rotate, because the cylindrical gear 306 is meshed with the rack 307, when the cylindrical gear 306 rotates, the cylindrical gear 306 drives the two groups of racks 307 to separate from or close to each other, because the pressing plate 308 is fixedly installed on one side of the rack 307, the rack 307 drives the pressing plate 308 to move, when the product needs to be ejected, the operator rotates the crank 314 counterclockwise, at this time, the crank 314 drives the pressing plate 308 to close to each other, at this time, the roller 311 is released, so that the casing 310 moves upward under the elastic force of the spring 309, while the casing 310 moves, the casing 310 drives the connecting block 312 to move upward, at this time, the ejector block 313 moves upward under the driving of the connecting block 312, the operator rotates the crank 314 clockwise, at this time, the crank 314 drives the pressing plates 308, when clamp plate 308 removed, clamp plate 308 extrudees cylinder 311, cylinder 311 drives cover 310 downstream this moment, when cover 310 removed, cover 310 drives connecting block 312 downstream, ejector pad 313 moves downstream under the drive of connecting block 312 this moment, ejector pad 313 is fixed this moment, the mould can continue to process this moment, when having solved the condition that the mould was taken out in the reality, need the manual work with its condition of taking out, the condition that the operation was wasted time and energy when having prevented the finished product after the shaping from droing, and can not damage the mould.

The specific arrangement and function of the opening device 4 will be described in detail below.

As shown in fig. 4, the opening device 4 includes a threaded rod 401, the threaded rod 401 is fixedly installed at the top of the lower die 2, the upper die 1 is sleeved on the surface of the threaded rod 401, an annular groove 402 is opened at the bottom of the upper die 1, a circular groove 403 is opened at the top of the annular groove 402, a sliding block 404 is slidably connected inside the circular groove 403, a cylinder 405 is fixedly installed at the bottom of the sliding block 404, a gear disc 406 is fixedly installed at the bottom of the cylinder 405, a disc gear 407 is rotatably connected to the front end of the upper die 1, a rocker 408 is fixedly installed at the front end of the disc gear 407, the disc gear 407 is engaged with the gear disc 406, the gear disc 406 is sleeved on the surface of the threaded rod 401, threads are opened inside the gear disc 406, and.

The whole opening device 4 achieves the effect that, by arranging the opening device 4, in the implementation, an operator holds the rocker 408 and rotates the rocker 408, the rocker 408 drives the disc gear 407 to rotate, because the disc gear 407 and the gear disc 406 are meshed with each other, when the disc gear 407 rotates, the disc gear 407 drives the gear disc 406 to rotate, because the top of the gear disc 406 is fixedly provided with the cylinder 405 and the cylinder 405 is connected in the annular groove 402 in a sliding manner, the gear disc 406 can rotate at the lower end of the upper die 1, because the top of the cylinder 405 is fixedly provided with the sliding block 404 and the sliding block 404 is connected in the circular groove 403 in a sliding manner, at the moment, the sliding block 404 can support the upper die 1, because the inside of the gear disc 406 is provided with threads and the threaded rod 401 is meshed with the threads of the gear disc 406, when the gear disc 406 rotates on the surface of the threaded rod 401 and rises, the upper mold 1 is also raised and when the upper mold 1 is completely slid out of the surface of the threaded rod 401, the operator can clean the plastic remaining in the upper mold 1 and the lower mold 2, thereby allowing better molding of the finished product.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiments into equivalent variations to apply to other fields, but all those persons do not depart from the technical contents of the present invention, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an external plastic mould that is equipped with automatic demoulding structure, includes top mold (1), bed die (2), ejecting structure (3), opening device (4), its characterized in that: a lower die (2) is arranged at the bottom of the upper die (1), an ejection structure (3) is fixedly mounted at the front end of the lower die (2), and an opening device (4) is arranged at the front end of the upper die (1);

the ejection structure (3) comprises a rectangular block (301), the rectangular block (301) is fixedly mounted at the front end of the lower die (2), a rectangular groove (302) is formed in the rectangular block (301), slide rails (303) are formed in the two sides of the rectangular groove (302), a slide groove (304) is formed in one side of each slide rail (303), a groove (305) is formed in one side of each slide groove (304), a cylindrical gear (306) is rotatably connected in the rectangular groove (302), a rack (307) is slidably connected in the rectangular groove (302), a pressing plate (308) is fixedly mounted on one side of the rack (307), a spring (309) is fixedly mounted at the bottom of each slide groove (304), a sleeve (310) is fixedly mounted at the top of the spring (309), a roller (311) is rotatably connected in the sleeve (310), and a connecting block (312) is fixedly mounted on one side of the sleeve (310), the top of the connecting block (312) is fixedly provided with an ejector block (313), and the front end of the cylindrical gear (306) is rotatably connected with a crank (314).

2. The external plastic mold with the automatic demolding structure as claimed in claim 1, wherein: opening device (4) include threaded rod (401), threaded rod (401) fixed mounting is at the top of bed die (2), it establishes the surface at threaded rod (401) to go up mould (1) cover, ring channel (402) have been seted up to the bottom of going up mould (1), circular slot (403) have been seted up at the top of ring channel (402), the inside sliding connection of circular slot (403) has slider (404), the bottom fixed mounting of slider (404) has cylinder (405), the bottom fixed mounting of cylinder (405) has toothed disc (406), the front end of going up mould (1) rotates and even has disc gear (407), the front end fixed mounting of disc gear (407) has rocker (408).

3. The external plastic mold with the automatic demolding structure as claimed in claim 1, wherein: the number of the racks (307) is two, the two sets of racks (307) are respectively connected to the upper end and the lower end of the cylindrical gear (306) in a sliding mode, and the racks (307) are meshed with the cylindrical gear (306) mutually.

4. The external plastic mold with the automatic demolding structure as claimed in claim 1, wherein: the pressing plate (308) is connected inside the sliding rail (303) in a sliding mode, the sleeve (310) is connected inside the sliding groove (304) in a sliding mode, and the connecting block (312) and the top block (313) are connected inside the groove (305) in a sliding mode.

5. The external plastic mold with the automatic demolding structure as claimed in claim 2, wherein: the disc gear (407) and the gear disc (406) are meshed with each other, and the gear disc (406) is sleeved on the surface of the threaded rod (401).

6. The external plastic mold with the automatic demolding structure as claimed in claim 2, wherein: the interior of the gear disc (406) is provided with threads, and the threads of the threaded rod (401) and the threads of the gear disc (406) are meshed with each other.