CN223904461U

CN223904461U - Long-distance inclined ejection demoulding mechanism

Info

Publication number: CN223904461U
Application number: CN202520521721.0U
Authority: CN
Inventors: 张炳树
Original assignee: Xiamen Jianxi Industry And Trade Co ltd
Current assignee: Xiamen Jianxi Industry And Trade Co ltd
Priority date: 2025-03-24
Filing date: 2025-03-24
Publication date: 2026-02-13
Anticipated expiration: 2035-03-24

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a long-distance inclined ejection demolding mechanism, which comprises a base, wherein a mold clamping device is arranged at the top of the base, a forming device is arranged near the top end of the mold clamping device, mold core demolding devices are arranged in the forming device and at the bottom of the forming device, each mold core demolding device comprises a demolding structure and a mold core structure, each mold core structure is arranged in the middle of the demolding structure, the demolding structure comprises a lower oil cylinder, the output end of the lower oil cylinder is connected with a connecting block, guide rods are arranged in the two ends of the connecting block, an inclined ejection block is arranged at the top of the connecting block, and the top end of the outer surface of each inclined ejection block is connected with a molded product. According to the long-distance inclined ejection demoulding mechanism, the setting of the core mould demoulding device is adopted, the lower oil cylinder is started to drive the connecting block and the inclined ejection block to move upwards, so that a formed product can be rapidly ejected and demoulded, and the inclined ejection block can be rapidly reset and positioned by the shovel machine.

Description

Long-distance inclined ejection demoulding mechanism

Technical Field

The utility model relates to the technical field of injection molds, in particular to a long-distance inclined ejection demolding mechanism.

Background

With the continuous development of the injection molding industry, many plastic products are produced by injection molding, and after injection molding, an ejection mechanism is generally used for ejecting the products.

However, in the prior art, the ejection oil cylinder needs to be arranged on the material supporting plate, and the ejection distance is prolonged through the related ejection, however, when the oil cylinder is arranged, the arrangement of an oil way and other oil ways need to be considered, so that the working environment is more in devices, the equipment is complex, and the ejection is carried out for two times, so that the working efficiency is influenced.

An injection mold with a long-stroke ejection mechanism is disclosed in Chinese patent CN208133550U, wherein a mold fixing plate is arranged below a movable mold, a supporting block is arranged between the mold fixing plate and the movable mold, a mold core is arranged inside the movable mold, a thimble fixing plate, a thimble guide plate, a thimble and a guide post are arranged below the movable mold, the thimble fixing plate is abutted to the mold fixing plate, the thimble guide plate and the movable mold are respectively provided with a guide hole matched with the thimble, the thimble guide plate and the thimble fixing plate are respectively provided with a guide groove matched with the guide post, a movable mold stripping plate is arranged above the movable mold, the movable mold is provided with a plurality of mounting holes, a movable block is arranged in the mounting holes, a stress end is formed at the upper end of one side of the movable block, a pushing inclined plane is arranged at the stress end, a shearing fork lifting mechanism is arranged in the mounting holes, the upper end of the shearing fork lifting mechanism is abutted to the movable mold stripping plate, and the movable end of the shearing fork lifting mechanism is connected with the movable block. The shearing fork lifting mechanism is adopted to replace the existing thimble oil cylinder mechanism, long-distance demolding can be realized, products can be ejected and demolded once, and production efficiency is improved.

However, the demolding structure used in the prior art is relatively difficult to demolding after injection molding of the product when facing smaller products.

Therefore, it is needed to provide a long-distance inclined ejection demoulding mechanism.

Disclosure of utility model

The utility model aims to provide a long-distance inclined ejection demoulding mechanism, which aims to solve the problem that the demoulding structure used in the prior art is difficult to demould after injection moulding of a product when the product is smaller.

The long-distance inclined ejection demoulding mechanism comprises a base, wherein a mould clamping device is arranged at the top of the base, a forming device is arranged near the top end of the mould clamping device, and mould core demoulding devices are arranged in the forming device and at the bottom of the forming device.

The mold core demolding device comprises a demolding structure and a mold core structure, wherein the mold core structure is arranged in the middle of the demolding structure.

The demolding structure comprises a lower oil cylinder, the output end of the lower oil cylinder is connected with a connecting block, guide rods are internally installed at two ends of the connecting block, an inclined jacking block is installed at the top of the connecting block, and the top end of the outer surface of the inclined jacking block is connected with a molding product.

Preferably, the mold core structure comprises an inner slide block, a mold core is arranged between the two inner slide blocks, a shovel machine is arranged in the middle of the mold core, and one side, far away from the mold core, of the inner slide block is connected with an inclined slide block close to the bottom end.

Preferably, the two inclined top blocks are in sliding connection with the outer surfaces of the mold core and the inner slide block, the outer surfaces of the shovel machine are in sliding connection with the inner part of the inclined top block, a limit groove is formed in the middle of the inclined top block, the inside of the molded product is in butt joint with the outer surfaces of the inclined top block, the mold core and the inner slide block, and the bottom ends of the lower oil cylinder and the guide rod are connected with the top surface of the base. The inclined sliding block is connected with the large sliding block, and the inclined ejecting block, the core die and the inner sliding block are arranged inside the large sliding block.

Preferably, the die clamping device comprises a bearing plate, a B plate is arranged on the top surface of the bearing plate, an A plate is arranged on the top of the B plate, a top plate is arranged on the top of the A plate, and buckling machines are arranged on the front surface and the back surface of the B plate close to the middle.

Preferably, the top end of the button machine is fixedly connected with the front surface and the back surface of the A plate close to the middle, and the bottom of the bearing plate is fixedly connected with the top surface of the base. The large sliding block is arranged inside the plate A and the plate B, and the buckling machine can limit the bearing plate, the plate A and the plate B.

Preferably, the forming device comprises fixing plates, wherein two fixing plates are mutually far away from one side and provided with a transverse oil cylinder in the middle, the output end of the transverse oil cylinder is connected with a clamping block, and the outer surface of the clamping block is connected with a large sliding block.

Preferably, the fixed plate is fixedly arranged on the left side and the right side of the B plate, and the clamping groove is formed in the outer surface of the clamping block and is slidably connected with the inner wall of the connecting groove formed in the middle of the large sliding block. The two large sliding blocks can be combined or separated by the transverse oil cylinder through driving the clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the long-distance inclined ejection demoulding mechanism, the setting of the core mould demoulding device is adopted, the lower oil cylinder is started to drive the connecting block and the inclined ejection block to move upwards, so that a formed product can be rapidly ejected and demoulded, and the inclined ejection block can be rapidly reset and positioned by the shovel machine.

2. According to the long-distance inclined ejection demoulding mechanism, the clamping block and the large sliding block are driven by the transverse oil cylinder to carry out quick mould closing through the mould closing device and the forming device, and the support plate, the B plate and the A plate are limited by the buckling machine, so that the stability in the mould closing process can be ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a top mold closing structure according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

FIG. 4 is a split enlarged view of an ejector structure of the present utility model;

FIG. 5 is an enlarged view of the mold core structure of the present utility model;

Fig. 6 is an enlarged view of an ejection structure of the present utility model.

1, A base, 101, a bearing plate, 102, a B plate, 103, an A plate, 104, a top plate, 105, a button machine, 201, a fixed plate, 202, a transverse oil cylinder, 203, a clamping block, 204, a large sliding block, 301, a lower oil cylinder, 302, a connecting block, 303, a guide rod, 304, an oblique top block, 305, an oblique sliding block, 306, a mold core, 307, an inner sliding block, 308, a shovel machine, 309 and a molded product.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

Based on the demoulding structure used in the prior art, when facing smaller products, the problem that the relative demoulding is difficult after injection moulding is carried out on the products is solved, please refer to fig. 1-6, the embodiment provides a long-distance inclined top demoulding mechanism which can effectively improve the demoulding efficiency of the products, the long-distance inclined top demoulding mechanism comprises a base 1, a mould clamping device is installed at the top of the base 1, a forming device is installed near the top of the mould clamping device, and mould core demoulding devices are installed inside and at the bottom of the forming device.

The mold core demolding device comprises a demolding structure and a mold core structure, and the mold core structure is arranged in the middle of the demolding structure. The demoulding structure comprises a lower oil cylinder 301, wherein the output end of the lower oil cylinder 301 is connected with a connecting block 302, guide rods 303 are arranged at two ends of the connecting block 302, an inclined jacking block 304 is arranged at the top of the connecting block 302, and the top end of the outer surface of the inclined jacking block 304 is connected with a forming product 309. The mold core structure comprises an inner slide 307, a mold core 306 is arranged between the two inner slide 307, a shovel 308 is arranged in the middle of the mold core 306, and an inclined slide 305 is connected to one side, far away from the mold core 306, of the inner slide 307 close to the bottom end.

The two inclined top blocks 304 are in sliding connection with the outer surfaces of the mold core 306 and the inner slide 307, the outer surface of the shovel 308 is in sliding connection with the inside of a limit groove formed in the middle of the inclined top block 304, the inside of the formed product 309 is in abutting connection with the outer surfaces of the inclined top block 304, the mold core 306 and the inner slide 307, and the bottoms of the lower oil cylinder 301 and the guide rod 303 are connected with the top surface of the base 1.

Through the setting of mandrel shedder, start down hydro-cylinder 301 and drive connecting block 302 and oblique top piece 304 upward movement to can carry out quick ejecting drawing of patterns to the shaped product 309, and utilize shovel 308 can carry out quick reset location to oblique top piece 304.

When demolding is performed after the molded product 309 is molded, after the mold clamping device and the molding device are disassembled, the inclined top block 304 is disassembled, the inner slide 307 is made to slide and be pulled away, the mold core 306 is conveniently pulled away, and then the lower oil cylinder 301 and the guide rod 303 are used for obliquely installing, so that the lower oil cylinder 301 is started to drive the connecting block 302 and the inclined top block 304 to move obliquely upwards, the molded product 309 is ejected and demolded by the inclined top block 304, the demolding production efficiency is effectively improved, in the resetting process, the inner slide 307 is positioned by the inclined slide block 305, and the shovel 308 slides in the inclined top block 304 to form a limiting groove, so that the movement of the inclined top block 304 is reset and rapidly positioned.

Embodiment two:

Based on the first implementation, the problem of fast mold closing and fixing of the mold still exists in the prior art, please refer to fig. 1-6, and an embodiment provides a long-distance inclined top demolding mechanism, which can effectively solve the fast mold closing and positioning between molds, and the long-distance inclined top demolding mechanism comprises a mold closing device including a carrier plate 101, a B plate 102 is installed on the top surface of the carrier plate 101, an a plate 103 is installed on the top of the B plate 102, a top plate 104 is installed on the top of the a plate 103, and a buckling machine 105 is installed near the middle of the front and back surfaces of the B plate 102. The top end of the button machine 105 is fixedly connected with the front surface and the back surface of the A plate 103 near the middle part, and the bottom of the bearing plate 101 is fixedly connected with the top surface of the base 1.

The forming device comprises fixing plates 201, a transverse oil cylinder 202 is arranged in the middle of one side, away from each other, of each fixing plate 201, a clamping block 203 is connected to the output end of the transverse oil cylinder 202, and a large sliding block 204 is connected to the outer surface of the clamping block 203. The fixing plate 201 is fixedly installed on the left side and the right side of the B plate 102, and the outer surface of the clamping block 203 is provided with a clamping groove which is in sliding connection with the inner wall of a connecting groove formed in the middle of the large sliding block 204.

Through the setting of closing die device and forming device, horizontal hydro-cylinder 202 drives fixture block 203 and big slider 204 and carries out the quick compound die, and utilizes seater 105 to carry out spacingly to carrier plate 101, B board 102 and A board 103, can guarantee the stability in the compound die process.

When the die is clamped, the two transverse cylinders 202 are started to drive the clamping blocks 203 to move, the clamping blocks 203 are used for being connected with the large sliding blocks 204 in a clamping mode, so that the two large sliding blocks 204 are driven to be clamped and positioned rapidly, and when the die is removed, the large sliding blocks are separated rapidly, meanwhile, the B plate 102 is used for being abutted with the carrier plate 101, the A plate 103 is abutted with the B plate 102, the carrier plate 101, the B plate 102 and the A plate 103 are limited by the buckling machine 105, and therefore stability of the die in the injection molding process is effectively guaranteed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. A long-distance inclined top demolding mechanism, comprising a base (1), characterized in that: a mold closing device is installed on the top of the base (1), a forming device is installed near the top of the mold closing device, and a mold core demolding device is installed inside and at the bottom of the forming device;

The mold core demolding device includes a demolding structure and a mold core structure, wherein the mold core structure is installed in the middle of the demolding structure;

The demolding structure includes a lower cylinder (301), the output end of which is connected to a connecting block (302), guide rods (303) are installed inside both ends of the connecting block (302), an inclined ejector block (304) is installed on the top of the connecting block (302), and a molded product (309) is connected to the top of the outer surface of the inclined ejector block (304).

2. A long-distance inclined ejector demolding mechanism according to claim 1, characterized in that: the mold core structure includes an inner slider (307), a mold core (306) is installed between the two inner sliders (307), a scraper (308) is installed in the middle of the mold core (306), and an inclined slider (305) is connected to the side of the inner slider (307) away from the mold core (306) near the bottom.

3. A long-distance inclined ejector demolding mechanism according to claim 2, characterized in that: the two inclined ejector blocks (304) are slidably connected to the outer surface of the mold core (306) and the inner slider (307); the outer surface of the shovel (308) is slidably connected to the inner limit groove of the inclined ejector block (304); the interior of the molded product (309) abuts against the outer surface of the inclined ejector block (304), the mold core (306), and the inner slider (307); and the bottom end of the lower oil cylinder (301) and the guide rod (303) is connected to the top surface of the base (1).

4. A long-distance inclined ejector demolding mechanism according to claim 1, characterized in that: the mold closing device includes a support plate (101), a B plate (102) is installed on the top surface of the support plate (101), an A plate (103) is installed on the top of the B plate (102), a top plate (104) is installed on the top of the A plate (103), and a buckle (105) is installed on the front and back of the B plate (102) near the middle.

5. A long-distance inclined top demolding mechanism according to claim 4, characterized in that: the top of the buckle (105) is fixedly connected to the front and back of the A plate (103) near the middle, and the bottom of the support plate (101) is fixedly connected to the top surface of the base (1).

6. A long-distance inclined ejector demolding mechanism according to claim 1, characterized in that: the forming device includes a fixed plate (201), and a transverse hydraulic cylinder (202) is installed in the middle of one side away from the other of the two fixed plates (201), and a locking block (203) is connected to the output end of the transverse hydraulic cylinder (202), and a large slider (204) is connected to the outer surface of the locking block (203).

7. A long-distance inclined ejector mechanism according to claim 6, characterized in that: the fixing plate (201) is fixedly installed on the left and right sides of the B plate (102), and the outer surface of the card block (203) is provided with a card groove and is slidably connected to the inner wall of the connecting groove provided in the middle of the large slider (204).