CN215283098U

CN215283098U - Demoulding structure of precision mould

Info

Publication number: CN215283098U
Application number: CN202120542795.4U
Authority: CN
Inventors: 邹梅花
Original assignee: Dongguan Yingxin Hardware Electronic Technology Co ltd
Current assignee: Dongguan Yingxin Hardware Electronic Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-12-24
Anticipated expiration: 2031-03-16

Abstract

The utility model relates to a drawing of patterns technical field specifically is accurate mould's demoulding structure, including the lower mould, the die cavity has been seted up to the upper surface of lower mould, the inside of lower mould is provided with demoulding mechanism and complementary unit respectively, demoulding mechanism includes the dead slot, the dead slot has been seted up to the inside of lower mould, symmetry fixed mounting has the spacing groove between the inner wall of dead slot, one side fixed mounting of lower mould has the mount pad, the fixed surface of mount pad installs the motor, the output of motor rotates and is connected with the screw rod, the surface cover of screw rod is equipped with oblique piece, the bilateral symmetry fixed mounting of oblique piece has the stopper, the rectangular channel has been seted up to one side of stopper, the inner wall rotation of rectangular channel is connected with the cylinder. The utility model discloses, through setting up this demoulding mechanism, can avoid the tradition to use the release agent to carry out the condition emergence of drawing of patterns, the condition that receives the release agent pollution after avoidng product injection moulding effectively takes place, greatly reduced the disability rate of product, practiced thrift the material.

Description

Demoulding structure of precision mould

Technical Field

The utility model relates to a drawing of patterns technical field especially relates to the demoulding structure of accurate mould.

Background

The mould is used for manufacturing a formed article, and the appearance of the article is processed mainly by changing the physical state of a formed material, and the formed material is simply called as an industrial mother.

However, after the mold is used, the product is not completely cooled, so that the product is often directly stuck in a cavity, and demolding is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the demoulding structure of the precise mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the demolding structure of the precision mold comprises a lower mold, wherein a cavity is formed in the upper surface of the lower mold, and a demolding mechanism and an auxiliary mechanism are respectively arranged inside the lower mold.

Demoulding mechanism includes the dead slot, the dead slot has been seted up to the inside of lower mould, symmetry fixed mounting has the spacing groove between the inner wall of dead slot, one side fixed mounting of lower mould has the mount pad, the outer fixed surface of mount pad installs the motor, the output of motor rotates and is connected with the screw rod, the surface cover of screw rod is equipped with oblique piece, the bilateral symmetry fixed mounting of oblique piece has the stopper, the rectangular channel has been seted up to one side of stopper, the inner wall of rectangular channel rotates and is connected with the cylinder, the last surface sliding connection of oblique piece has the sliding block, the last fixed surface of sliding block installs ejector rod.

Preferably, the limiting block is connected with the inner wall of the limiting groove in a sliding mode, and the mounting seat is fixedly connected with the outer surface of the lower die through a bolt.

Preferably, a stop block is fixedly installed on the upper surface of the inclined block, and the inclined block is connected with the inner wall of the empty groove in a sliding mode.

Preferably, the number of the ejection rods is four, the four ejection rods are symmetrically distributed, and the ejection rods penetrate through the inner wall of the empty groove and extend to the inner wall of the cavity.

Preferably, the complementary unit includes the oil tank, the inner wall fixed mounting of spacing groove has the oil tank, the spread groove has been seted up to the inner wall symmetry of oil tank, the inner wall intercommunication of oil tank has the notes oil pipe, the inner wall that notes oil pipe one side was kept away from to the oil tank runs through and is provided with the slide bar, the surface cover of slide bar is equipped with the sealing washer, the one end fixed mounting that the slide bar is close to the spread groove has the connecting plate, one side symmetry fixed mounting that the slide bar was kept away from to the connecting plate has reset spring.

Preferably, the oil filling pipe penetrates through the interior of the lower die and extends to the outer surface of the lower die, and one end, far away from the connecting plate, of the return spring is fixedly connected with the inner wall of the connecting groove.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. in the utility model, when the worker uses the demoulding mechanism, firstly, after the injection moulding of the product, the worker can open the motor after the mould is opened, the motor can drive the screw rod to rotate, under the matching action of the limit groove, the limit block and the roller, the inclined block can slide along the inner wall of the empty groove, when the inclined block moves, the sliding block can do relative motion on the upper surface of the inclined block and slowly and uplifts, when the sliding block is uplifted, the four groups of ejection rods can be driven to move, the four groups of ejection rods can slowly extend out of the cavity and take out the product in the cavity, thereby completing demoulding, the worker can reversely rotate the motor again to bring the inclined block back to the original position, the next injection moulding process can be started, by arranging the demoulding mechanism, the situation that the demoulding agent is traditionally used can be avoided, the condition that the product is polluted by the release agent after injection molding is effectively avoided, the rejection rate of the product is greatly reduced, and materials are saved.

2. In the utility model, after the worker uses the demoulding mechanism for a long time, the limiting block and the limiting groove are in motion, the stagnation is inevitably generated, the whole demoulding process is influenced, at the moment, the worker can utilize the auxiliary mechanism to lubricate the limiting block, when the limiting block drives the roller to move in the limiting groove, when the roller moves to a certain position, the roller can extrude the sliding rod, the sliding rod can move to the temporal part of the oil tank and extrude the reset spring, the sealing ring can be separated from the inner wall of the oil tank, the lubricating liquid in the oil tank can permeate into the limiting groove from the gap, thereby realizing the lubrication, when the roller is separated from the sliding rod, the reset spring can drive the sliding rod and the sealing ring to return to the original position, then the lubricating liquid can stop seeping, thereby the lubrication is stopped, when the oil tank needs to be replenished, the worker can directly utilize the oil filling pipe to replenish the oil tank, through setting up this complementary unit, can just can lubricate demoulding mechanism in the use, guarantee going on smoothly of drawing of patterns process, improve work efficiency.

Drawings

Fig. 1 is a schematic perspective view of a mold release structure of a precision mold according to the present invention;

fig. 2 is a schematic structural view of a demolding mechanism of the precise mold demolding structure of the present invention;

fig. 3 is a schematic structural view of a position a in fig. 2 of the demolding structure of the precision mold according to the present invention;

fig. 4 is a schematic structural view of an auxiliary mechanism of a demolding structure of the precision mold according to the present invention;

fig. 5 is a schematic diagram of a position B in fig. 4 of the demolding structure of the precision mold of the present invention.

Illustration of the drawings:

1. a lower die; 2. a cavity; 3. a demolding mechanism; 4. an auxiliary mechanism; 301. an empty groove; 302. a limiting groove; 303. a mounting seat; 304. a motor; 305. a screw; 306. a tapered block; 307. a limiting block; 308. a rectangular groove; 309. a drum; 310. a slider; 311. ejecting the rod; 401. an oil tank; 402. connecting grooves; 403. an oil filling pipe; 404. a slide bar; 405. a seal ring; 406. a connecting plate; 407. a return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution: demoulding structure of precision mold, including lower mould 1, die cavity 2 has been seted up to the upper surface of lower mould 1, the inside of lower mould 1 is provided with demoulding mechanism 3 and complementary unit 4 respectively, demoulding mechanism 3 includes dead slot 301, dead slot 301 has been seted up to the inside of lower mould 1, symmetry fixed mounting has spacing groove 302 between the inner wall of dead slot 301, one side fixed mounting of lower mould 1 has mount pad 303, the fixed surface of mount pad 303 installs motor 304, the output of motor 304 rotates and is connected with screw rod 305, the surface cover of screw rod 305 is equipped with oblique piece 306, the bilateral symmetry fixed mounting of oblique piece 306 has stopper 307, rectangular channel 308 has been seted up to one side of stopper 307, the inner wall of rectangular channel 308 rotates and is connected with cylinder 309, the upper surface sliding connection of oblique piece 306 has 310, the upper surface fixed mounting of sliding block 310 has ejector rod 311.

In this embodiment: when a worker uses the demoulding mechanism 3, firstly, after a product is injection molded, after a mold is opened, the worker can open the motor 304, the motor 304 can drive the screw 305 to rotate, the inclined block 306 can slide along the inner wall of the hollow groove 301 under the matching action of the limiting groove 302, the limiting block 307 and the roller 309, the sliding block 310 can do relative motion on the upper surface of the inclined block 306 and slowly lift up while the inclined block 306 moves, the sliding block 310 can drive the four groups of ejection rods 311 to move while being lifted up, the four groups of ejection rods 311 can slowly extend out of the cavity 2 and take out the product in the cavity 2, so as to complete demoulding, then the worker reverses the motor 304 again to bring the inclined block 306 back to the original position, and the next injection molding process can be started, and by arranging the demoulding mechanism 3, the traditional demoulding by using a demoulding agent can be avoided, the condition that the product is polluted by the release agent after injection molding is effectively avoided, the rejection rate of the product is greatly reduced, and materials are saved.

Specifically, the limiting block 307 is slidably connected with the inner wall of the limiting groove 302, and the mounting seat 303 is fixedly connected with the outer surface of the lower die 1 through a bolt.

In this embodiment: the limiting groove 302 and the limiting block 307 interact with each other, so that the normal sliding of the inclined block 306 can be ensured.

Specifically, a stopper is fixedly mounted on the upper surface of the inclined block 306, and the inclined block 306 is slidably connected with the inner wall of the empty groove 301.

In this embodiment: the stop prevents the slide block 310 from disengaging from the ramp block 306.

Specifically, the number of the ejection rods 311 is four, the four ejection rods 311 are symmetrically distributed, and the ejection rods 311 penetrate through the inner wall of the hollow groove 301 and extend to the inner wall of the cavity 2.

In this embodiment: the four groups of ejection rods 311 are symmetrically distributed, so that the stress of the product is uniform during demolding, and the size of the product cannot be changed.

Specifically, the auxiliary mechanism 4 includes a fuel tank 401, a fuel tank 401 is fixedly mounted on the inner wall of the limit groove 302, a connecting groove 402 is symmetrically formed in the inner wall of the fuel tank 401, a fuel filling pipe 403 is communicated with the inner wall of the fuel tank 401, a sliding rod 404 is arranged on the inner wall, away from the fuel filling pipe 403, of the fuel tank 401 in a penetrating mode, a sealing ring 405 is sleeved on the outer surface of the sliding rod 404, a connecting plate 406 is fixedly mounted at one end, close to the connecting groove 402, of the sliding rod 404, and a reset spring 407 is fixedly mounted on one side, away from the sliding rod 404, of the connecting plate 406 in a symmetrical mode.

In this embodiment: when a worker uses the demoulding mechanism 3 for a long time, the limiting block 307 and the limiting groove 302 move to cause stagnation inevitably, so that the whole demoulding process is affected, at the moment, the worker can lubricate the limiting block 307 by using the auxiliary mechanism 4, when the limiting block 307 drives the roller 309 to move in the limiting groove 302, when the roller moves to a certain position, the roller 309 extrudes the sliding rod 404, the sliding rod 404 moves towards the temporal part of the oil tank 401 and extrudes the return spring 407, and then the sealing ring 405 separates from the inner wall of the oil tank 401, at the moment, the lubricating liquid in the oil tank 401 permeates into the limiting groove 302 from a gap, so as to realize lubrication, when the roller 309 separates from the sliding rod 404, at the moment, the return spring 407 drives the sliding rod 404 and the sealing ring 405 to return to the original position, then the lubricating liquid stops seeping, so as to stop lubricating, when the oil tank 401 needs to be supplemented, the staff directly utilizes notes oil pipe 403 to supply can to oil tank 401, through setting up this complementary unit 4, can just can lubricate demoulding mechanism 3 in the use, has guaranteed going on smoothly of drawing of patterns process, has improved work efficiency.

Specifically, the oil filling pipe 403 penetrates through the interior of the lower die 1 and extends to the outer surface of the lower die 1, and one end of the return spring 407, which is far away from the connecting plate 406, is fixedly connected with the inner wall of the connecting groove 402.

In this embodiment: the oil filling pipe 403 extends to the outer surface of the lower die 1, so that a worker can conveniently supplement the oil tank 401, and the return spring 407 can realize the automatic return of the sliding rod 404.

The working principle is as follows: when a worker uses the demoulding mechanism 3, firstly, after a product is injection molded, after a mold is opened, the worker can open the motor 304, the motor 304 can drive the screw 305 to rotate, the inclined block 306 can slide along the inner wall of the hollow groove 301 under the matching action of the limiting groove 302, the limiting block 307 and the roller 309, the sliding block 310 can do relative motion on the upper surface of the inclined block 306 and slowly lift up while the inclined block 306 moves, the sliding block 310 can drive the four groups of ejection rods 311 to move while being lifted up, the four groups of ejection rods 311 can slowly extend out of the cavity 2 and take out the product in the cavity 2, so as to complete demoulding, then the worker reverses the motor 304 again to bring the inclined block 306 back to the original position, and the next injection molding process can be started, after the worker uses the demoulding mechanism 3 for a long time, when the limiting block 307 and the limiting groove 302 move, stagnation inevitably occurs, so that the whole demolding process is influenced, at the moment, a worker can lubricate the limiting block 307 by using the auxiliary mechanism 4, when the limiting block 307 drives the roller 309 to move in the limiting groove 302, and when the roller 309 moves to a certain position, the roller 309 presses the sliding rod 404, the sliding rod 404 moves towards the temporal part of the oil tank 401 and presses the return spring 407, and then the sealing ring 405 is separated from the inner wall of the oil tank 401, at this time, the lubricating liquid in the oil tank 401 permeates into the limiting groove 302 from the gap, thereby realizing lubrication, when the roller 309 is disengaged from the sliding rod 404, the return spring 407 carries the sliding rod 404 and the sealing ring 405 back to the original position, then, the lubrication liquid stops seeping out, so that the lubrication is stopped, and when the oil tank 401 needs to be replenished, the worker can directly replenish the oil tank 401 with the oil filler pipe 403.

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. Demoulding structure of precision mould, including lower mould (1), its characterized in that: the upper surface of the lower die (1) is provided with a cavity (2), and the inside of the lower die (1) is respectively provided with a demoulding mechanism (3) and an auxiliary mechanism (4);

the demoulding mechanism (3) comprises a hollow groove (301), the hollow groove (301) is arranged in the lower die (1), limiting grooves (302) are symmetrically and fixedly arranged between the inner walls of the empty grooves (301), a mounting seat (303) is fixedly arranged on one side of the lower die (1), the outer surface of the mounting seat (303) is fixedly provided with a motor (304), the output end of the motor (304) is rotatably connected with a screw rod (305), an inclined block (306) is sleeved on the outer surface of the screw (305), two sides of the inclined block (306) are symmetrically and fixedly provided with a limiting block (307), a rectangular groove (308) is formed in one side of the limiting block (307), a roller (309) is rotatably connected to the inner wall of the rectangular groove (308), the upper surface sliding connection of sloping piece (306) has sliding block (310), the upper surface fixed mounting of sliding block (310) has ejection rod (311).

2. The structure for releasing a precision mold according to claim 1, wherein: the limiting block (307) is connected with the inner wall of the limiting groove (302) in a sliding mode, and the mounting seat (303) is fixedly connected with the outer surface of the lower die (1) through bolts.

3. The structure for releasing a precision mold according to claim 1, wherein: the upper surface of the inclined block (306) is fixedly provided with a stop block, and the inclined block (306) is connected with the inner wall of the empty groove (301) in a sliding manner.

4. The structure for releasing a precision mold according to claim 1, wherein: the number of the ejection rods (311) is four, the ejection rods (311) are symmetrically distributed, and the ejection rods (311) penetrate through the inner wall of the empty groove (301) and extend to the inner wall of the cavity (2).

5. The structure for releasing a precision mold according to claim 1, wherein: complementary unit (4) include oil tank (401), the inner wall fixed mounting of spacing groove (302) has oil tank (401), connecting groove (402) have been seted up to the inner wall symmetry of oil tank (401), the inner wall intercommunication of oil tank (401) has oiling pipe (403), the inner wall that oiling pipe (403) one side was kept away from in oil tank (401) runs through and is provided with slide bar (404), the surface cover of slide bar (404) is equipped with sealing washer (405), the one end fixed mounting that slide bar (404) are close to connecting groove (402) has connecting plate (406), one side symmetry fixed mounting that slide bar (404) were kept away from in connecting plate (406) has reset spring (407).

6. The structure for releasing a precision mold according to claim 5, wherein: the oil filling pipe (403) penetrates through the interior of the lower die (1) and extends to the outer surface of the lower die (1), and one end, far away from the connecting plate (406), of the return spring (407) is fixedly connected with the inner wall of the connecting groove (402).