Long-distance pitched roof demolding mechanism

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a long-distance pitched roof demolding mechanism which comprises a base, a mold closing device is mounted at the top of the base, a forming device is mounted at the position, close to the top end, of the mold closing device, and mold core demolding devices are mounted in and at the bottom of the forming device. The mold core demolding device comprises a demolding structure and a mold core structure, the mold core structure is installed 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 installed in the two ends of the connecting block, and an inclined ejector block is installed at the top of the connecting block. And the top end of the outer surface of the inclined ejector block is connected with a molded product. According to the long-distance pitched roof demolding mechanism, through the arrangement of the core mold demolding device, the lower oil cylinder is started to drive the connecting block and the pitched roof block to move upwards, so that a formed product can be rapidly ejected and demolded, and the pitched roof block can be rapidly reset and positioned through a shoveling machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a long distance inclined top demolding mechanism. BACKGROUND

[0002] With the continuous development of injection molding industry, at present, many plastic products are produced by injection molding, and after injection molding, the product is generally ejected by the ejection mechanism.

[0003] However, the existing technology needs to set the ejection cylinder on the material supporting plate, and the related top is used to extend the ejection distance. However, when the oil cylinder is arranged, the setting of the oil circuit and other factors need to be considered, so that the working environment device is more, the equipment is complex, and the product needs to be ejected twice, which affects the working efficiency.

[0004] As disclosed in Chinese patent CN208133550U, a kind of injection mold with long-stroke ejection mechanism is disclosed, which is provided with a mold fixed plate below the movable die, and a support block between the mold fixed plate and the movable die;A mold core is arranged inside the movable die, and a needle fixing plate, a needle guide plate, a needle and a guide column are arranged below the movable die, the needle fixing plate abuts against the mold fixed plate, the needle guide plate and the movable die are provided with guide holes matched with the needle, and the needle guide plate and the needle fixing plate are provided with guide grooves matched with the guide column;A movable die stripper plate is arranged above the movable die, the movable die is provided with a plurality of mounting holes, the mounting hole is provided with a movable block, the upper end of the movable block on one side forms a stress end, and the stress end is provided with a push-off inclined surface;The mounting hole is provided with a scissor lifting mechanism, the upper end of the scissor lifting mechanism abuts against the movable die stripper plate, and the movable end of the scissor lifting mechanism is connected with the movable block. The scissor lifting mechanism replaces the existing needle and oil cylinder mechanism, which can realize long-distance demolding, eject the product once, and improve the production efficiency.

[0005] However, the demolding structure used in the prior art is relatively difficult to demold when facing smaller products after injection molding.

[0006] Therefore, it is urgent to provide a long-distance inclined top demolding mechanism. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a long-distance inclined top demolding mechanism to solve the problem that the demolding structure used in the prior art is relatively difficult to demold when facing smaller products after injection molding.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a long-distance inclined top demolding mechanism, comprising a base, the base top is installed with a mold clamping device, the mold clamping device is installed with a forming device near the top end, and the forming device inside and bottom is installed with a mold core demolding device.

[0009] The mold core stripping device comprises a stripping structure and a mold core structure, and the mold core structure is installed in the middle of the stripping structure.

[0010] The stripping structure comprises a lower oil cylinder, the output end of the lower oil cylinder is connected with a connecting block, guide rods are installed in the inner part of both ends of the connecting block, an inclined top block is installed on the top of the connecting block, and a shaped product is connected to the top end of the outer surface of the inclined top block.

[0011] Preferably, the mold core structure comprises inner sliding blocks, a mold core is installed between the two inner sliding blocks, a shovel is installed in the middle of the mold core, and an inclined sliding block is connected to the bottom end of the side away from the mold core of the inner sliding block.

[0012] Preferably, the two inclined top blocks are in sliding connection with the outer surfaces of the mold core and the inner sliding blocks, a limiting groove is formed in the middle of the outer surface of the shovel, the outer surface of the shovel is in sliding connection with the inner part of the limiting groove, the inner part of the shaped product is in abutment with the outer surfaces of the inclined top block, the mold core and the inner sliding block, and the bottom ends of the lower oil cylinder and the guide rods are connected with the top surface of the base. The inclined sliding block is connected with the large sliding block, and the inclined top block, the mold core and the inner sliding block are arranged in the inner part of the large sliding block.

[0013] Preferably, the mold closing device comprises a bearing plate, the top surface of the bearing plate is installed with a B plate, the top of the B plate is installed with an A plate, the top of the A plate is installed with a top plate, and the front face and the back face of the B plate are installed with a buckle near the middle part.

[0014] Preferably, the top end of the buckle is fixedly connected with the front face and the back face of the A plate near the middle part, and the bottom of the bearing plate is fixedly connected with the top surface of the base. The large sliding block is installed in the inner part of the A plate and the B plate, and the buckle can limit the bearing plate, the A plate and the B plate.

[0015] Preferably, the forming device comprises two fixed plates, a horizontal oil cylinder is installed in the middle part of the side away from each other of the two fixed plates, a clamping block is connected with the output end of the horizontal oil cylinder, and a large sliding block is connected with the outer surface of the clamping block.

[0016] Preferably, the fixed plates are fixedly installed on the left and right sides of the B plate, and the outer surface of the clamping block is provided with a clamping groove in sliding connection with the inner wall of a connecting groove formed in the middle part of the large sliding block. The horizontal oil cylinder can drive the clamping block to combine or separate the two large sliding blocks.

[0017] Compared with the prior art, the long-distance inclined top stripping mechanism has the following beneficial effects:

[0018] 1. The long-distance inclined top stripping mechanism is provided with a mold core stripping device, the lower oil cylinder drives the connecting block and the inclined top block to move upward, so that the shaped product can be quickly stripped out, and the shovel can quickly reset and position the inclined top block.

[0019] 2. The long distance inclined ejector demolding mechanism, through the setting of the mold closing device and the molding device, the cross oil cylinder drives the clamping block and the large sliding block to quickly close the mold, and the buckle machine is used to limit the supporting plate, the B plate and the A plate, so that the stability in the mold closing process can be guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structure schematic view of the utility model;

[0021] Figure 2 It is a top mold closing structure schematic view of the utility model;

[0022] Figure 3 It is an internal structure schematic view of the utility model;

[0023] Figure 4 It is a split enlarged view of the ejection structure of the utility model;

[0024] Figure 5 It is an enlarged view of the mold core structure of the utility model;

[0025] Figure 6 It is an enlarged view of the ejection structure of the utility model.

[0026] In the figure: 1, base; 101, supporting plate; 102, B plate; 103, A plate; 104, top plate; 105, buckle machine; 201, fixed plate; 202, cross oil cylinder; 203, clamping block; 204, large sliding block; 301, lower oil cylinder; 302, connecting block; 303, guide rod; 304, inclined ejector block; 305, inclined sliding block; 306, mold core; 307, inner sliding block; 308, shovel; 309, molded product. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment one:

[0029] Based on the demolding structure used in the prior art, when facing smaller products, it is relatively difficult to demold after the products are injection molded, please refer to Figures 1-6, the embodiment provides a long-distance inclined top demolding mechanism which can effectively improve the demolding efficiency of products, the long-distance inclined top demolding mechanism comprises a base 1, a mold closing device is installed at the top of the base 1, a forming device is installed close to the top end of the mold closing device, and a mold core demolding device is installed inside and at the bottom of the forming device.

[0030] The mold core demolding device comprises a demolding structure and a mold core structure, and the mold core structure is installed in the middle of the demolding structure. The demolding structure comprises a lower oil cylinder 301, a connecting block 302 is connected to the output end of the lower oil cylinder 301, guide rods 303 are installed inside both ends of the connecting block 302, an inclined top block 304 is installed at the top of the connecting block 302, and a formed product 309 is connected to the top end of the outer surface of the inclined top block 304. The mold core structure comprises inner sliding blocks 307, a mold core 306 is installed between the two inner sliding blocks 307, a shovel 308 is installed in the middle of the mold core 306, and an inclined sliding block 305 is connected to the side, away from the mold core 306, of the inner sliding block 307 and close to the bottom end.

[0031] The two inclined top blocks 304 are in sliding connection with the outer surfaces of the mold core 306 and the inner sliding block 307, the outer surface of the shovel 308 is in sliding connection with the inside of the limiting groove in the middle of the inclined top block 304, the inside of the formed product 309 is in abutment with the outer surfaces of the inclined top block 304, the mold core 306 and the inner sliding block 307, and the bottom ends of the lower oil cylinder 301 and the guide rods 303 are connected with the top surface of the base 1.

[0032] Through the setting of the core mold demolding device, the lower oil cylinder 301 drives the connecting block 302 and the inclined top block 304 to move upwards, so that the formed product 309 can be quickly ejected and demolded, and the shovel 308 can be used for quickly resetting and positioning the inclined top block 304.

[0033] When demolding the formed product 309 after forming, the mold closing device and the forming device are disassembled, the inclined top block 304 is removed, the inner sliding block 307 is caused to slide and separate, and the mold core 306 is conveniently separated, then the inclined installation of the lower oil cylinder 301 and the guide rods 303 is used, so that the lower oil cylinder 301 drives the connecting block 302 and the inclined top block 304 to move obliquely upwards, the inclined top block 304 is used for ejecting and demolding the formed product 309, the efficiency of demolding production is effectively improved, in the resetting process, the inclined sliding block 305 is used for positioning the inner sliding block 307, and the shovel 308 is used for sliding in the limiting groove in the inclined top block 304, so that the movement of the inclined top block 304 is reset and quickly positioned.

[0034] Embodiment two:

[0035] Based on the basis of the first embodiment, there is still a problem of quickly closing and fixing the mold in the prior art, please refer to Figures 1-6The embodiment provides a long-distance inclined top demolding mechanism which can effectively solve the rapid mold closing positioning between molds, the long-distance inclined top demolding mechanism comprises a mold closing device, the mold closing device comprises a bearing plate 101, the top surface of the bearing plate 101 is provided with a B plate 102, the top of the B plate 102 is provided with an A plate 103, the top of the A plate 103 is provided with a top plate 104, and the front and back surfaces of the B plate 102 are provided with buckle machines 105 near the middle parts. The top ends of the buckle machines 105 are fixedly connected to the front and back surfaces of the A plate 103 near the middle parts, and the bottom of the bearing plate 101 is fixedly connected to the top surface of the base 1.

[0036] The forming device comprises fixed plates 201, the two fixed plates 201 are provided with transverse oil cylinders 202 on the sides far away from the middle parts, the output ends of the transverse oil cylinders 202 are connected with clamping blocks 203, and the outer surfaces of the clamping blocks 203 are connected with large sliding blocks 204. The fixed plates 201 are fixedly installed on the left and right sides of the B plate 102, and the outer surfaces of the clamping blocks 203 are provided with clamping grooves which are in sliding connection with the inner walls of the connecting grooves in the middle parts of the large sliding blocks 204.

[0037] Through the arrangement of the mold closing device and the forming device, the clamping blocks 203 and the large sliding blocks 204 are driven by the transverse oil cylinders 202 to rapidly close the molds, and the bearing plate 101, the B plate 102 and the A plate 103 are limited by the buckle machines 105, so that the stability during the mold closing process can be ensured.

[0038] When the molds are closed, the two transverse oil cylinders 202 are started to drive the clamping blocks 203 to move, the clamping blocks 203 are connected with the large sliding blocks 204, so that the two large sliding blocks 204 are driven to rapidly close and position the molds, and when the molds are demolded, the molds can be rapidly separated, meanwhile, the abutment of the B plate 102 and the bearing plate 101 and the abutment of the A plate 103 and the B plate 102 are utilized, and the bearing plate 101, the B plate 102 and the A plate 103 are limited by the buckle machines 105, so that the stability during the mold injection process can be effectively ensured.

[0039] It should be noted that, in the present document, the terms such as first and second, etc., are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

Claims

1. A long distance inclined ejector mechanism comprising a base (1), characterized in that: The base (1) top is provided with a mold closing device, the mold closing device is provided with a forming device near the top end, the forming device is provided with a mold core demolding device inside and bottom; The mold core demolding device comprises a demolding structure and a mold core structure, and the mold core structure is installed in the middle of the demolding structure; The demolding structure comprises a lower oil cylinder (301), the output end of the lower oil cylinder (301) is connected with a connecting block (302), the both ends of the connecting block (302) are internally provided with guide rods (303), the top of the connecting block (302) is provided with an inclined top block (304), and the top end of the outer surface of the inclined top block (304) is connected with a formed product (309).

2. A long distance inclined ejector mechanism according to claim 1, characterized in that: The mold core structure comprises an inner sliding block (307), a mold core (306) is installed between the two inner sliding blocks (307), a shovel (308) is installed in the middle of the mold core (306), and an inclined sliding block (305) is connected to the side of the inner sliding block (307) away from the mold core (306) and close to the bottom end.

3. A long distance inclined ejector mechanism according to claim 2, characterized in that: The two inclined top blocks (304) are in sliding connection with the outer surfaces of the mold core (306) and the inner sliding block (307), the outer surface of the shovel (308) is in sliding connection with the inner surface of the limiting groove in the middle of the inclined top block (304), the inner surface of the formed product (309) is in abutment with the outer surfaces of the inclined top block (304), the mold core (306) and the inner sliding block (307), and the bottom ends of the lower oil cylinder (301) and the guide rod (303) are connected with the top surface of the base (1).

4. A long distance inclined ejector mechanism according to claim 1, characterized in that: The mold closing device comprises a bearing plate (101), the top surface of the bearing plate (101) is provided with a B plate (102), the top of the B plate (102) is provided with an A plate (103), the top of the A plate (103) is provided with a top plate (104), and the front and back surfaces of the B plate (102) are provided with a buckle machine (105) near the middle.

5. A long distance inclined ejector mechanism according to claim 4, characterized in that: The top end of the buckle machine (105) is fixedly connected with the front and back surfaces of the A plate (103) near the middle, and the bottom of the bearing plate (101) is fixedly connected with the top surface of the base (1).

6. A long distance inclined ejector mechanism according to claim 1, characterized in that: The forming device comprises a fixed plate (201), the both sides of the two fixed plates (201) are provided with a horizontal oil cylinder (202) in the middle, the output end of the horizontal oil cylinder (202) is connected with a clamping block (203), and the outer surface of the clamping block (203) is connected with a large sliding block (204).

7. A long distance inclined ejector mechanism according to claim 6, characterized in that: The fixed plate (201) is fixedly installed on the left and right sides of the B plate (102), and the outer surface of the clamping block (203) is in sliding connection with the inner wall of the connecting groove and the middle of the large sliding block (204).

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