CN219789122U - Multi-row core-pulling demolding mold - Google Patents

Abstract

The utility model provides a multi-row core-pulling demolding mold, which comprises an upper mold base, an upper mold plate, an upper mold core, a lower mold plate, a lower mold base, two first demolding components and two second demolding components, wherein the bottom of the upper mold plate is provided with a first mold groove, two sides of the first mold groove are provided with first accommodating grooves, the first accommodating grooves are embedded with first pressing plates which are abutted against the side wall of the upper mold core, the top of the lower mold plate is provided with a second mold groove, two sides of the second mold groove are provided with second accommodating grooves, the second accommodating grooves are embedded with second pressing plates which are abutted against the side wall of the lower mold core, the first demolding components comprise a first row position, a first side mold insert and a first inclined guide rod which is connected with the first pressing plates, the first row position is provided with a first inclined guide hole, the second side mold insert and a second inclined guide rod which is connected with the upper mold plate, and the second row position is provided with a second inclined guide hole, so that the length of the first inclined guide rod can be shortened, the occupation of the space in the mold can be reduced, the mold structure can be simplified, and the mold design difficulty can be reduced.

Description

Multi-row core-pulling demolding mold

Technical Field

The utility model relates to the field of molds, in particular to a multi-row core-pulling demolding mold.

Background

The mould is a tool for manufacturing plastic products, and can be used for manufacturing products with various shapes. The product need carry out the drawing of patterns operation after the shaping in the mould, and the line position is a subassembly in the mould, is used as the effect of drawing of core drawing of patterns often, to the product of shape complicacy, can set up a plurality of line position structures on its mould, causes mould structure complicacy, has increased the design degree of difficulty, and the mould is with high costs, and job stabilization nature is not enough.

Disclosure of Invention

The utility model aims to solve the problems of providing a multi-row core-pulling demolding mold, simplifying the structure of the mold and improving the working stability of the mold.

The technical problem to be solved is to provide a multi-row core-pulling demolding mold according to the utility model, which comprises an upper mold seat, an upper mold plate, an upper mold core, a lower mold plate and a lower mold seat, wherein the bottom of the upper mold plate is provided with a first mold cavity for embedding the upper mold core, two sides of the first mold cavity are respectively communicated with a first accommodating groove, a first pressing plate matched with the first accommodating cavity is embedded on the first accommodating groove, the first pressing plate is abutted against the side wall of the upper mold core, the top of the lower mold plate is provided with a second mold cavity for embedding the lower mold core, two sides of the second mold cavity are respectively communicated with a second accommodating groove, a second pressing plate matched with the second accommodating groove is embedded on the second accommodating groove, the second pressing plate is abutted against the side wall of the lower mold core, two first demolding components and two second demolding components are arranged around the lower mold core at the top of the lower mold core, the first demoulding component comprises a first row position which is slidably connected to the top of the lower template, a first side mould insert which is fixedly connected to one end of the first row position, a first inclined guide rod which is fixedly connected to the first pressing plate, a first inclined guide hole which is matched with the first inclined guide rod is arranged on the first row position, the first inclined guide rod is inserted into the first inclined guide hole, the second demoulding component comprises a second row position which is slidably connected to the top of the lower template, a second side mould insert which is fixedly connected to one end of the second row position, a second inclined guide rod which is fixedly connected to the upper template, a second inclined guide hole which is matched with the second inclined guide rod is arranged on the second row position, a third accommodating groove which corresponds to the first row position and the second row position is arranged at the bottom of the upper template, a fourth accommodating groove is arranged on the upper die base and the side wall of the upper template, and an electric control device is arranged on the fourth accommodating groove.

Preferably, the four sides at the top of the lower template are all provided with sliding grooves, the first line position and the second line position are all arranged on the sliding grooves, the two ends of the sliding grooves are all fixedly connected with limiting blocks, limiting steps are arranged on the inner side walls of the limiting blocks, limiting notch matched with the limiting steps is formed in the two ends of the first line position and the second line position, and the limiting steps are combined on the limiting notch.

Preferably, the base plate between the two limiting blocks is fixedly connected to the bottom of the sliding groove, the bottoms of the first row of positions and the second row of positions are adjacent to the top of the base plate, the clamping piece fixedly connected to the bottom of the sliding groove is arranged on the base plate in a penetrating mode, the clamping strip is arranged at the top of the clamping piece, and two clamping grooves matched with the clamping strip are formed in the bottoms of the first row of positions and the second row of positions in parallel.

Preferably, an ejection mechanism is arranged between the lower die plate and the lower die base, and comprises a top plate movably arranged between the lower die plate and the lower die base, and a plurality of ejector pins fixedly connected to the top of the top plate, wherein the ejector pins penetrate through the lower die plate and the lower die core.

Preferably, a groove is formed in one side of the lower die holder, a contact sensor is arranged on the groove, a plunger corresponding to a contact of the contact sensor is arranged on one side of the top plate in a penetrating mode, and when the top plate is reset, the bottom end of the plunger is in contact with the contact of the contact sensor.

The beneficial effects of the utility model are as follows: the utility model provides a multi-row core-pulling demolding mold, which is provided with a unique assembly structure, wherein a first accommodating groove and a second accommodating groove are respectively arranged at one side of a first mold groove and one side of a second mold groove, so that the upper mold core and the lower mold core are convenient to assemble and disassemble, the upper mold core and the lower mold core are respectively pressed by a first pressing plate and a second pressing plate, the assembly stability of the upper mold core and the lower mold core is improved, a first inclined guide rod of a first demolding assembly is arranged on the first pressing plate, the length of the first inclined guide rod can be shortened, the occupation of the space in the mold is reduced, the mold structure is simplified, the mold design difficulty is reduced, an electric control device is arranged on a fourth accommodating groove, the mold size is reduced, the mold design and manufacturing cost is reduced, a third accommodating groove after mold assembly can be combined on the first row position and the second row position, the movement of the first row position and the second row position is prevented, the working stability of the mold is improved, and the molding quality is ensured.

Drawings

Fig. 1 illustrates a schematic cross-sectional structure of the present utility model.

Fig. 2 illustrates an outline structure of the present utility model.

FIG. 3 illustrates an assembly structure of a lower mold plate, a lower mold core and an upper mold core according to the present utility model.

FIG. 4 illustrates an exploded view of the lower mold plate, the lower mold core and the upper mold core of the present utility model.

Fig. 5 illustrates a schematic structural view of the upper die plate of the present utility model.

Fig. 6 illustrates a schematic structure of the lower die plate of the present utility model.

FIG. 7 illustrates a schematic diagram of the first row bit structure of the present utility model.

Fig. 8 illustrates a partially enlarged structural view of the portion a of fig. 4 according to the present utility model.

Reference numerals illustrate: the upper die holder 1, the fourth accommodation groove 100, the electronic control device 101, the upper die plate 2, the first die groove 20, the first accommodation groove 21, the first pressing plate 22, the third accommodation groove 23, the upper die core 3, the lower die core 4, the lower die plate 5, the second die groove 50, the second accommodation groove 51, the second pressing plate 52, the chute 53, the stopper 54, the limiting step 540, the backing plate 55, the clamping piece 56, the clamping strip 57, the lower die holder 6, the groove 60, the contact sensor 61, the insert rod 62, the first stripping assembly 7, the first row position 70, the first inclined guide hole 700, the limiting notch 701, the clamping groove 702, the first side die insert 71, the first inclined guide rod 72, the second stripping assembly 8, the second row position 80, the second inclined guide hole 800, the second side die insert 81, the second inclined guide hole 82, the ejection mechanism 9, the top plate 90, and the ejector pin 91.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure.

All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are intended to be within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Reference is made to fig. 1-8.

The utility model provides a multi-row core-pulling demolding mold, which comprises an upper mold base 1, an upper mold plate 2, an upper mold core 3, a lower mold core 4, a lower mold plate 5 and a lower mold base 6, wherein the bottom of the upper mold plate 2 is provided with a first mold cavity 20 which is embedded with the upper mold core 3, two sides of the first mold cavity 20 are respectively communicated with a first accommodating groove 21, a first pressing plate 22 matched with the first accommodating groove 21 is embedded on the first accommodating groove 21, the first pressing plate 22 is abutted against the side wall of the upper mold core 3, the top of the lower mold plate 5 is provided with a second mold cavity 50 which is embedded with the lower mold core 4, two sides of the second mold cavity 50 are respectively communicated with a second accommodating groove 51, a second pressing plate 52 matched with the second accommodating groove 51 is embedded on the second accommodating groove 51, the second pressing plate 52 is abutted against the side wall of the lower mold core 4, two first demolding assemblies 7 and two second demolding assemblies 8 are arranged on the top of the lower mold plate 5 around the lower mold core 4, the first demolding assembly 7 comprises a first row position 70 which is connected to the top of the lower mold plate 5 in a sliding manner, a first side mold insert 71 which is fixedly connected to one end of the first row position 70, a first inclined guide rod 72 which is fixedly connected to the first pressing plate 22, a first inclined guide hole 700 which is matched with the first inclined guide rod 72 is arranged on the first row position 70, the first inclined guide rod 72 is inserted into the first inclined guide hole 700, the second demolding assembly 8 comprises a second row position 80 which is connected to the top of the lower mold plate 5 in a sliding manner, a second side mold insert 81 which is fixedly connected to one end of the second row position 80, a second inclined guide rod 82 which is fixedly connected to the upper mold plate 2, a second inclined guide hole 800 which is matched with the second inclined guide rod 82 is arranged on the second row position 80, a third accommodating groove 23 which is corresponding to the first row position 70 and the second row position 80 is arranged at the bottom of the upper mold plate 2, a fourth accommodating groove 100 is arranged on the side walls of the upper mold plate 1 and the upper mold plate 2, the fourth accommodating groove 100 is provided with an electric control device 101.

The specific use principle is as follows: the first accommodating groove 21 and the second accommodating groove 51 are respectively formed in one side of the first die groove 20 and one side of the second die groove 50, the upper die core 3 and the lower die core 4 are convenient to assemble and disassemble, the upper die core 3 and the lower die core 4 are pressed through the first pressing plate 22 and the second pressing plate 52, the assembly stability of the upper die core 3 and the lower die core 4 is improved, the first inclined guide rod 72 of the first demolding assembly 7 is arranged on the first pressing plate 22, the length of the first inclined guide rod 72 can be shortened, occupation of space in a die is reduced, the die structure is simplified, the die design difficulty is reduced, the electric control device 101 is arranged on the fourth accommodating groove 100, the die size is reduced, the die design and manufacturing cost are reduced, the third accommodating groove 23 after die assembly can be combined on the first row position 70 and the second row position 80, the first row position 70 and the second row position 80 are prevented from moving, the die working stability is improved, and the molding quality is ensured. When the mold is opened and closed, the first inclined guide rod 72 and the second inclined guide rod 82 are driven by the first pressing plate 22 and the upper template 2 to lift respectively, so that the first row position 70 and the second row position 80 are driven by the first side mold insert 71 and the second side mold insert 81 to enter and exit the cavity respectively.

Based on the above embodiment, the four sides of the top of the lower template 5 are all provided with the sliding groove 53, the first row position 70 and the second row position 80 are all arranged on the sliding groove 53, the two ends of the sliding groove 53 are all fixedly connected with the limiting block 54, the inner side wall of the limiting block 54 is provided with the limiting step 540, the two ends of the first row position 70 and the second row position 80 are all provided with the limiting notch 701 matched with the limiting step 540, and the limiting step 540 is combined on the limiting notch 701. In the mold opening and closing process, the first row position 70 and the second row position 80 move on the sliding groove 53, the limiting notch 701 moves along the limiting step 540, so that the guiding function is achieved, the moving stability of the first row position 70 and the second row position 80 is improved, and the first side mold insert 71 and the second side mold insert 81 are ensured to be smoothly separated from a product.

Based on the above embodiment, the bottom of the chute 53 is fixedly connected with the pad 55 between the two limiting blocks 54, the bottoms of the first row of positions 70 and the second row of positions 80 are adjacent to the top of the pad 55, the pad 55 is provided with the clamping piece 56 fixedly connected to the bottom of the chute 53 in a penetrating manner, the top of the clamping piece 56 is provided with the clamping bar 57, and the bottoms of the first row of positions 70 and the second row of positions 80 are provided with two clamping grooves 702 matched with the clamping bar 57 in parallel. When the die is closed, the first row position 70 and the second row position 80 move towards the center side of the die along the base plate 55, and when the die is closed in place, the clamping groove 702 far away from the center side of the die is clamped on the clamping strip 57, so that the first row position 70 and the second row position 80 are prevented from shifting in the forming process, and the forming quality is ensured; when the die is opened, the first row position 70 and the second row position 80 move along the backing plate 55 to the side far away from the center of the die, and when the die is opened in place, the clamping groove 702 close to the center of the die is clamped on the clamping strip 57, so that the first row position 70 and the second row position 80 are prevented from being deviated, and abrasion of the first side die insert 71 and the second side die insert 81 is reduced.

Based on the above embodiment, an ejection mechanism 9 is disposed between the lower die plate 5 and the lower die holder 6, and the ejection mechanism 9 includes a top plate 90 movably disposed between the lower die plate 5 and the lower die holder 6, and a plurality of ejector pins 91 fixedly connected to the top of the top plate 90, where the ejector pins 91 penetrate through and are disposed on the lower die plate 5 and the lower die core 4. After the first side mold insert 71 and the second side mold insert 81 are released from the product, the top plate 90 is driven to move toward the lower die plate 5 so as to drive the ejector pins 91 to eject the product from the lower die core 4.

Based on the above embodiment, the lower die holder 6 is provided with the groove 60 on one side, the contact sensor 61 is provided on the groove 60, the insert rod 62 corresponding to the contact of the contact sensor 61 is provided through one side of the top plate 90, and when the top plate 90 is reset, the bottom end of the insert rod 62 contacts with the contact of the contact sensor 61. The controller in data connection with the contact sensor 61 is arranged on the machine tool, the machine tool drives the top plate 90 to lift to drive the ejector pins 91 to eject a product from the lower die core 4, the top plate 90 is pushed to reset towards the lower die holder 6, when the bottom end of the inserted link 62 is in contact with a contact of the contact sensor 61, the contact sensor 61 sends data to the controller, the controller judges that the reset of the top plate 90 is completed, the machine tool stops applying force to the top plate 90, and the automation degree and the control precision are improved.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (5)

1. The multi-row core-pulling demolding mold comprises an upper mold seat, an upper mold plate, an upper mold core, a lower mold plate and a lower mold seat, and is characterized in that a first mold groove for the embedding of the upper mold core is arranged at the bottom of the upper mold plate, first accommodating grooves are respectively arranged on two sides of the first mold groove in a communicating manner, first pressing plates matched with the first accommodating grooves are embedded on the first accommodating grooves, the first pressing plates are abutted to the side walls of the upper mold core, a second mold groove for the embedding of the lower mold core is arranged at the top of the lower mold plate, second accommodating grooves are respectively arranged on two sides of the second mold groove in a communicating manner, second pressing plates matched with the second accommodating grooves are embedded on the second accommodating grooves, the second pressing plates are abutted to the side walls of the lower mold core, two first demolding assemblies and two second demolding assemblies are arranged on the top of the lower mold core in a surrounding manner, the first demoulding component comprises a first row position which is slidingly connected with the top of the lower template, a first side mould insert which is fixedly connected with one end of the first row position, a first inclined guide rod which is fixedly connected with the first pressing plate, a first inclined guide hole which is matched with the first inclined guide rod is arranged on the first row position, the first inclined guide rod is inserted into the first inclined guide hole, the second demoulding component comprises a second row position which is slidingly connected with the top of the lower template, a second side mould insert which is fixedly connected with one end of the second row position, a second inclined guide rod which is fixedly connected with the upper template, a second inclined guide hole which is matched with the second inclined guide rod is arranged on the second row position, a third containing groove which is corresponding to the first row position and the second row position is arranged at the bottom of the upper template, the upper die base and the side wall of the upper die plate are provided with fourth accommodating grooves, and the fourth accommodating grooves are provided with electric control devices.

2. The multi-row core-pulling demolding mold according to claim 1, wherein sliding grooves are formed in four sides of the top of the lower mold plate, the first row of positions and the second row of positions are formed in the sliding grooves, limiting blocks are fixedly connected to two ends of the sliding grooves, limiting steps are arranged on the inner side walls of the limiting blocks, limiting notch matched with the limiting steps are formed in two ends of the first row of positions and two ends of the second row of positions, and the limiting steps are combined on the limiting notch.

3. The multi-row core-pulling demolding mold according to claim 2, wherein a base plate is fixedly connected to the bottom of the sliding groove and located between the two limiting blocks, the bottom of the first row and the bottom of the second row are adjacent to the top of the base plate, a clamping piece fixedly connected to the bottom of the sliding groove is arranged on the base plate in a penetrating mode, a clamping strip is arranged on the top of the clamping piece, and two clamping grooves matched with the clamping strip are formed in the bottom of the first row and the bottom of the second row in parallel.

4. The multi-row core-pulling demolding mold according to claim 3, wherein an ejection mechanism is arranged between the lower die plate and the lower die holder and comprises a top plate movably arranged between the lower die plate and the lower die holder, and a plurality of ejector pins fixedly connected to the top of the top plate, wherein the ejector pins penetrate through the lower die plate and the lower die core.

5. The multi-row core-pulling demolding mold according to claim 4, wherein a groove is formed in one side of the lower mold base, a contact sensor is arranged on the groove, a plunger corresponding to a contact of the contact sensor is arranged on one side of the top plate in a penetrating mode, and when the top plate is reset, the bottom end of the plunger is in contact with the contact of the contact sensor.