CN111958925A

CN111958925A - Mould convenient to get piece

Info

Publication number: CN111958925A
Application number: CN202010916542.9A
Authority: CN
Inventors: 周洪章
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2020-11-20

Abstract

The invention provides a mould convenient for taking a workpiece, which comprises a power part, a sliding plate, a male mould plate and a female mould plate, wherein the power part is arranged on the sliding plate; the male die plate is connected with a male die, and the female die plate is connected with a female die; the sliding plate, the convex template, the convex die, the concave die and the concave template are sequentially arranged from left to right; the power component is fixedly connected with the sliding plate, the output end of the power component is connected with the convex template, and the power component is used for driving the convex template to slide up and down relative to the sliding plate. The invention has the advantage of small mold opening distance.

Description

Mould convenient to get piece

Technical Field

The invention belongs to the field of injection molds, and particularly relates to a mold convenient for taking a workpiece.

Background

When a tubular or cylindrical product is injection-molded, the male die is used for molding the inner surface of the product, and the female die is used for molding the outer surface of the product. The structure of the injection molding machine in the prior art determines that the opening and closing directions of the female die and the male die are horizontal directions, so that when a tubular or cylindrical product is subjected to injection molding, the placing direction of the product is horizontal placing, the minimum distance between the female die and the male die needs to be greater than the length of the product after the mold is opened, and the mold opening distance needs to be greater than the sum of the horizontal size of the male die and the horizontal size of the product, so that the product can be taken down from the male die and taken out from between the male die and the female die.

For example, the high outer column of the injection molding fan has the characteristic of large length, and the high outer column can be taken out only by a large mold opening distance, so that the problem of large mold opening distance exists in the prior art, and the larger the mold opening distance is, the larger the injection molding machine is required to be, and the requirement on the injection molding machine is high.

Therefore, the prior art is in need of improvement.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the mold convenient for taking the workpiece is provided, and has the advantage of small mold opening distance.

In order to achieve the purpose, the specific technical scheme of the invention is as follows:

a mould convenient for taking out a workpiece comprises a power component, a sliding plate, a male mould plate and a female mould plate; the male die plate is connected with a male die, and the female die plate is connected with a female die; the sliding plate, the convex template, the convex die, the concave die and the concave template are sequentially arranged from left to right; the power component is fixedly connected with the sliding plate, the output end of the power component is connected with the convex template, and the power component is used for driving the convex template to move up and down relative to the sliding plate.

As a further improved technical scheme, the device also comprises a push plate, a first inner limiting block, a first outer limiting block, a first limiting nail and a limiting column; the mold closing state and the mold opening state are realized; when in a mold closing state: the push plate is connected with the convex template, and the right end of the convex template penetrates through the push plate; a first die locking groove is formed in the push plate, the depth of the first die locking groove is larger than or equal to the height of the first limiting nail, and the first limiting nail is connected with the first die locking groove through a spring; the first inner limiting block is connected with the female die, a first inner limiting groove with a downward opening is formed in the bottom of the first inner limiting block, a first limiting nail is connected with the first inner limiting groove in a sliding mode, and the front portion or the rear portion of the first limiting nail is exposed out of the first inner limiting groove; the first limiting nail is arranged in the middle of the first inner limiting groove; the first outer limiting block is connected with the convex template, a first sliding groove with openings at the right end and the bottom is formed in the first outer limiting block, and the first inner limiting block and the first limiting nail are in sliding connection with the first sliding groove; a first inclined pressing surface is arranged at the right part of the first sliding groove, a first inclined guide surface is arranged at the upper right corner of the first limiting nail, and the first inclined pressing surface is matched with the first inclined guide surface; the push plate is provided with a stepped hole, the right end of the limiting column is provided with a limiting head protruding towards the periphery, the left end of the limiting column penetrates through the stepped hole and then is connected with the convex template, and the stepped hole can limit the limiting head to pass through; the female die is provided with an avoidance hole, and the limiting head is connected with the avoidance hole; when the mold is opened, the female mold drives the first inner limiting block to move rightwards; after the left end of the first inner limiting groove is abutted to the first limiting nail, the female die and the first inner limiting block drive the push plate to move right, and the push plate pushes the injection product out of the male die for a certain distance; after the first inclined guide surface is abutted against the first inclined pressing surface, the first limiting nail is pressed down by the first outer limiting block, the female die and the first inner limiting block continue to move rightwards, and meanwhile, the limiting column limits the push plate to move rightwards; and after the female die is disconnected with the product, the power part drives the male die plate to drive the male die and the push plate to move up or down together, and the die opening state is reached.

As a further improved technical scheme, the device also comprises a second inner limiting block, a second outer limiting block and a second limiting nail; a second die locking groove is formed in the push plate, the depth of the second die locking groove is larger than or equal to the height of the second limiting pin, and the second limiting pin is connected with the second die locking groove through a spring; the second inner limiting block is connected with the convex template, a second inner limiting groove with a downward opening is formed in the bottom of the second inner limiting block, a second limiting nail is connected with the second inner limiting groove in a sliding mode, the second limiting nail is abutted against the right side wall of the second inner limiting groove, and the front portion or the rear portion of the second limiting nail is exposed out of the second inner limiting groove; the second outer limiting block is connected with the female die, a second sliding groove with openings at the right end and the bottom is formed in the second outer limiting block, and the second inner limiting block and the second limiting nail are in sliding connection with the second sliding groove; a second inclined pressing surface is arranged at the left part of the second sliding groove, a second inclined guide surface is arranged at the upper left corner of the second limiting nail, and the second inclined pressing surface is matched with the second inclined guide surface; when the die is opened, the female die drives the second outer limiting block to move rightwards for a certain distance, and the second inclined pressing surface is abutted to the second inclined guide surface; after the second limiting nail is pressed down or when the second limiting nail is pressed down by the second outer limiting block, the left end of the first inner limiting groove is abutted to the first limiting nail.

As a further improved technical scheme, a guide sliding surface is arranged at the upper right corner of the second limiting nail, the guide sliding surface is arranged at the front end and the rear end of the second limiting nail, and an auxiliary reverse sliding surface matched with the guide sliding surface is arranged at the lower left corner of the second outer limiting block.

As a further improved technical scheme, the die further comprises a guide pillar and a guide sleeve, the guide pillar is connected with the convex die plate, the guide sleeve is arranged on the push plate and the concave die plate, the guide pillar is connected with the guide sleeve in a sliding mode, and when the die is opened, the guide pillar is disconnected with the guide sleeve on the concave die after the limiting head is disconnected with the concave die.

As an optional technical scheme, the lower part of the sliding plate is connected with a supporting block, and the supporting block is abutted against the bottom of the convex template.

As an optional technical scheme, the front part and the rear part of the sliding plate are both provided with limiting plates, the limiting plates are provided with sliding grooves, and the convex die plate is in sliding connection with the sliding grooves.

As optional technical scheme, top on the convex die plate is connected with stop block and spliced pole, the spliced pole with power component's output joint links to each other, the spliced pole with convex die plate threaded connection, be equipped with the breach on the spliced pole, the stop block with the breach butt, the stop block with the convex die plate rigid coupling.

The invention has the beneficial effects that: when the mold is opened, the injection molding machine moves the male mold plate and the female mold plate leftwards and rightwards respectively, then the power part is utilized to move the male mold plate upwards or downwards along the sliding plate, so that the female mold and the male mold are staggered in the up-down direction, a worker can take an injection molding product off the male mold, and the product is not interfered or blocked by the female mold when taken. The mold opening structure is suitable for producing injection molding products with large transverse dimension, can reduce mold opening distance, and reduces the requirement on the maximum mold opening distance of the injection molding machine.

Drawings

FIG. 1 is a plan view of the present invention in a clamped condition;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is an enlarged view of portion B of FIG. 3;

FIG. 6 is a front view of the present invention in the open mold position;

FIG. 7 is an exploded view of the present invention;

FIG. 8 is an enlarged view of section C of FIG. 7;

FIG. 9 is a schematic view of a first outer stop block of the present invention;

FIG. 10 is a schematic view of a first inner limiting block of the present invention;

FIG. 11 is a schematic view of a second outer stop block of the present invention;

FIG. 12 is a schematic view of a second inner limiting block of the present invention.

In the figure: the injection molding machine comprises a male die plate 1, a male die 11, a limiting column 12, a stop block 13, a female die plate 2, a female die 21, an avoidance hole 211, a sliding plate 3, a power part 31, a supporting block 32, a limiting plate 33, a connecting column 34, a push plate 4, a first limiting nail 41, a second limiting nail 42, a guide sliding surface 421, a guide column 5, a first outer limiting block 6, a first sliding groove 61, a first oblique pressing surface 62, a first inner limiting block 7, a first inner limiting groove 71, a second outer limiting block 8, a second sliding groove 81, a second oblique pressing surface 82, a guide sliding surface 83, a second inner limiting block 9, a second inner limiting groove 91 and an injection molding product 10.

Detailed Description

The invention is described in detail below with reference to specific embodiments.

Referring to fig. 1 to 12, embodiments of the present invention specifically include:

a mold opening structure comprises a power part 31, a sliding plate 3, a male mold plate 1 and a female mold plate 2; the male die plate 1 is connected with a male die 11, and the female die plate 2 is connected with a female die 21; the sliding plate 3, the male die plate 1, the male die 11, the female die 21 and the female die plate 2 are sequentially arranged from left to right; the power component 31 is fixedly connected with the sliding plate 3, the output end of the power component 31 is connected with the convex die plate 1, and the power component 31 is used for driving the convex die plate 1 to move up and down relative to the sliding plate 3.

The cavity plate 2 and the punch plate 1 are used for connecting the female die 21 and the male die 11 respectively. When the injection molding machine is used, the sliding plate 3 is fixed on the injection molding machine, and the convex template 1 and the concave template 2 are respectively fixed on the sliding plate 3 and the injection molding machine. The injection molding machine moves the male die plate 1 and the female die plate 2 leftwards and rightwards respectively, then the power part 31 is used for moving the male die plate 1 upwards or downwards along the sliding plate 3, so that the female die 21 and the male die 11 are staggered in the vertical direction, a worker can take an injection molding product off the male die 11, and the product is not interfered or blocked by the female die 21 when being taken. The mold opening structure is suitable for producing injection molding products with large transverse dimension, can reduce mold opening distance, and reduces the requirement on the maximum mold opening distance of the injection molding machine.

As a further preferred embodiment, the device further comprises a push plate 4, a first inner limit block 7, a first outer limit block 6, a first limit nail 41 and a limit column 12; the mold closing state and the mold opening state are realized; when in a mold closing state: the push plate 4 is connected with the convex template 1, and the right end of the convex mold 11 penetrates through the push plate 4; a first mold locking groove is formed in the push plate 4, the depth of the first mold locking groove is larger than or equal to the height of the first limiting nail 41, and the first limiting nail 41 is connected with the first mold locking groove through a spring; the first inner limiting block 7 is connected with the female die 21, a first inner limiting groove 71 with a downward opening is formed in the bottom of the first inner limiting block 7, the first limiting nail 41 is connected with the first inner limiting groove 71 in a sliding mode, and the front portion or the rear portion of the first limiting nail 41 is exposed out of the first inner limiting groove 71; the first limiting nail 41 is arranged in the middle of the first inner limiting groove 71; the first outer limiting block 6 is connected with the convex template 1, a first sliding groove 61 with openings at the right end and the bottom is arranged on the first outer limiting block 6, and the first inner limiting block 7 and the first limiting nail 41 are in sliding connection with the first sliding groove 61; a first inclined pressing surface 62 is arranged at the right part of the first sliding groove 61, a first inclined guide surface is arranged at the upper right corner of the first limiting nail 41, and the first inclined pressing surface 62 is matched with the first inclined guide surface; a stepped hole is formed in the push plate 4, a limiting head protruding towards the periphery is arranged at the right end of the limiting column 12, the left end of the limiting column 12 penetrates through the stepped hole and then is connected with the convex template 1, and the stepped hole can limit the limiting head to pass through; the female die 21 is provided with an avoidance hole 211, and the limiting head is connected with the avoidance hole 211; when the mold is opened, the female mold 21 drives the first inner limiting block 7 to move right; after the left end of the first inner limiting groove 71 abuts against the first limiting nail 41, the female die 21 and the first inner limiting block 7 drive the push plate 4 to move right, and the push plate 4 pushes the injection product out of the male die 11 for a certain distance; after the first inclined guide surface abuts against the first inclined pressing surface 62, the first limiting nail 41 is pressed down by the first outer limiting block 6, the female die 21 and the first inner limiting block 7 continue to move rightwards, and meanwhile the limiting column 12 limits the push plate 4 to move rightwards; until the female die 21 is disconnected from the product, the power part 31 drives the male die plate 1 to drive the male die 11 and the push plate 4 to move up or down together, and the die opening state is reached. The advantage of this embodiment is that the mould opening process can be accurately controlled. Because the terrace die 11 can reciprocate at the in-process of moulding plastics, consequently, can't come for push pedal 4 provides power with the horizontal power of injection molding machine, can only utilize the die 21 to pull open push pedal 4 from the convex die board 1, the biggest distance of push pedal 4 and concave die board 2 can accurate control to the first interior stopper 7, first outer stopper 6, first spacing nail 41 and spacing post 12 of this embodiment to simple structure, convenient maintenance, with low costs, operation are reliable.

Further, the device also comprises a second inner limiting block 9, a second outer limiting block 8 and a second limiting nail 42; a second die locking groove is formed in the push plate 4, the depth of the second die locking groove is greater than or equal to the height of the second limiting pin 42, and the second limiting pin 42 is connected with the second die locking groove through a spring; the second inner limiting block 9 is connected with the convex template 1, a second inner limiting groove with a downward opening is formed in the bottom of the second inner limiting block 9, a second limiting nail 42 is connected with the second inner limiting groove in a sliding mode, the second limiting nail 42 is abutted to the right side wall of the second inner limiting groove, and the front portion or the rear portion of the second limiting nail 42 is exposed out of the second inner limiting groove; the second outer limiting block 8 is connected with the female die 21, a second sliding groove 81 with openings at the left end and the bottom is arranged on the second outer limiting block 8, and the second inner limiting block 9 and the second limiting nail 42 are both in sliding connection with the second sliding groove 81; a second inclined pressing surface 82 is arranged at the left part of the second sliding groove 81, a second inclined guide surface is arranged at the upper left corner of the second limiting nail 42, and the second inclined pressing surface 82 is matched with the second inclined guide surface; when the die is opened, the female die 21 drives the second outer limiting block 8 to move rightwards for a certain distance, and then the second inclined pressing surface 82 is abutted with the second inclined guide surface; after or when the second outer limiting block 8 presses down the second limiting nail 42, the left end of the first inner limiting groove 71 is abutted against the first limiting nail 41. The benefit of this embodiment lies in, in the compound die state, stopper 9 is in the same place push pedal 4 and the 1 lock of convex die board in second banking pin 42 and the second, and during the die sinking, after certain distance was opened to die 21, just utilize the outer stopper 8 of second to unblock push pedal 4 and convex die board 1, the die sinking order of die 21 and push pedal 4 has been controlled accurately, guarantees that injection moulding product follows the drawing of patterns of die 21 earlier and then follows the drawing of patterns of convex die 11 to guarantee that injection moulding product reciprocates along with convex die 11.

Further, the upper right corner of the second limit pin 42 is provided with a guide sliding surface 421, the front end and the rear end of the second limit pin 42 are both provided with the guide sliding surface 421, and the lower left corner of the second outer limit block 8 is provided with an auxiliary reverse sliding surface 83 adapted to the guide sliding surface 421. In the process of die assembly, the secondary reverse sliding surface 83 presses the second limit pin 42 downwards from right to left under the action of the guide sliding surface 421, so that the second limit pin 42 can smoothly enter the second sliding groove 81.

As a further improved embodiment, a supporting block 32 is connected to the lower portion of the sliding plate 3, and the supporting block 32 abuts against the bottom of the male die plate 1. After the mold is opened, the power part 31 pulls the male mold plate 1 upward, the male mold plate 1 moves upward along the slide plate 3, and a worker removes the injection-molded product from the male mold 11 from the upper portion. The advantage of getting a piece from the top is that, after the convex die plate 1 resets, supporting shoe 32 can support convex die plate 1 for the height after the convex die plate 1 resets is certain, and guide pillar 5 can be pegged graft with the guide pin bushing accuracy during the compound die.

As an optional embodiment, the front and the rear of the sliding plate 3 are provided with a limiting plate 33, the limiting plate 33 is provided with a sliding slot, and the male mold plate 1 is slidably connected with the sliding slot. The sliding grooves are used for limiting the path of the male die plate 1 moving up and down along the sliding plate 3 so as to avoid the power part 31 from being stressed and inclined to cause the internal abrasion of the power part 31.

In the preferred embodiment, the top on the convex die plate 1 is connected with a stop block 13 and a connecting column 34, the connecting column 34 is connected with the output end of the power component 31 in a clamping manner, the connecting column 34 is in threaded connection with the convex die plate 1, a notch is arranged on the connecting column 34, the stop block 13 is abutted to the notch, and the stop block 13 is fixedly connected with the convex die plate 1. Because the connecting column 34 is in threaded connection with the convex die plate 1, the connecting depth of the connecting column 34 and the convex die plate 1 is difficult to accurately control, and after the stop block 13 and the notch are arranged, the connecting depth of the connecting column 34 and the convex die plate 1 can be accurately controlled, so that the distance between the power part 31 and the convex die plate 1 is accurately controlled, before die assembly is carried out, the convex die plate 1 can be accurately reset, collision between the guide column 5 and the guide sleeve is avoided, and low matching precision between the convex die 11 and the concave die 21 after die assembly is avoided.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a mould convenient to get piece which characterized in that: comprises a power component, a sliding plate, a male template and a female template;

the male die plate is connected with a male die, and the female die plate is connected with a female die;

the sliding plate, the convex template, the convex die, the concave die and the concave template are sequentially arranged from left to right;

the power component is fixedly connected with the sliding plate, the output end of the power component is connected with the convex template, and the power component is used for driving the convex template to move up and down relative to the sliding plate.

2. The easy-to-remove mold of claim 1, wherein: the device also comprises a push plate, a first inner limiting block, a first outer limiting block, a first limiting nail and a limiting column;

the mold closing state and the mold opening state are realized;

when in a mold closing state:

the push plate is connected with the convex template, and the right end of the convex template penetrates through the push plate;

a first die locking groove is formed in the push plate, the depth of the first die locking groove is larger than or equal to the height of the first limiting nail, and the first limiting nail is connected with the first die locking groove through a spring;

the first inner limiting block is connected with the female die, a first inner limiting groove with a downward opening is formed in the bottom of the first inner limiting block, a first limiting nail is connected with the first inner limiting groove in a sliding mode, and the front portion or the rear portion of the first limiting nail is exposed out of the first inner limiting groove; the first limiting nail is arranged in the middle of the first inner limiting groove;

the first outer limiting block is connected with the convex template, a first sliding groove with openings at the right end and the bottom is formed in the first outer limiting block, and the first inner limiting block and the first limiting nail are in sliding connection with the first sliding groove; a first inclined pressing surface is arranged at the right part of the first sliding groove, a first inclined guide surface is arranged at the upper right corner of the first limiting nail, and the first inclined pressing surface is matched with the first inclined guide surface;

the push plate is provided with a stepped hole, the right end of the limiting column is provided with a limiting head protruding towards the periphery, the left end of the limiting column penetrates through the stepped hole and then is connected with the convex template, and the stepped hole can limit the limiting head to pass through; the female die is provided with an avoidance hole, and the limiting head is connected with the avoidance hole;

when the mold is opened, the female mold drives the first inner limiting block to move rightwards; after the left end of the first inner limiting groove is abutted to the first limiting nail, the female die and the first inner limiting block drive the push plate to move right, and the push plate pushes the injection product out of the male die for a certain distance; after the first inclined guide surface is abutted against the first inclined pressing surface, the first limiting nail is pressed down by the first outer limiting block, the female die and the first inner limiting block continue to move rightwards, and meanwhile, the limiting column limits the push plate to move rightwards; and after the female die is disconnected with the product, the power part drives the male die plate to drive the male die and the push plate to move up or down together, and the die opening state is reached.

3. The easy-to-remove mold of claim 2, wherein: the device also comprises a second inner limiting block, a second outer limiting block and a second limiting nail;

a second die locking groove is formed in the push plate, the depth of the second die locking groove is larger than or equal to the height of the second limiting pin, and the second limiting pin is connected with the second die locking groove through a spring;

the second inner limiting block is connected with the convex template, a second inner limiting groove with a downward opening is formed in the bottom of the second inner limiting block, a second limiting nail is connected with the second inner limiting groove in a sliding mode, the second limiting nail is abutted against the right side wall of the second inner limiting groove, and the front portion or the rear portion of the second limiting nail is exposed out of the second inner limiting groove;

the second outer limiting block is connected with the female die, a second sliding groove with openings at the right end and the bottom is formed in the second outer limiting block, and the second inner limiting block and the second limiting nail are in sliding connection with the second sliding groove; a second inclined pressing surface is arranged at the left part of the second sliding groove, a second inclined guide surface is arranged at the upper left corner of the second limiting nail, and the second inclined pressing surface is matched with the second inclined guide surface;

when the die is opened, the female die drives the second outer limiting block to move rightwards for a certain distance, and the second inclined pressing surface is abutted to the second inclined guide surface; after the second limiting nail is pressed down or when the second limiting nail is pressed down by the second outer limiting block, the left end of the first inner limiting groove is abutted to the first limiting nail.

4. The easy-to-remove mold of claim 3, wherein: the upper right corner of second spacing nail is equipped with leads the glide plane, the front end and the rear end of second spacing nail all are equipped with lead the glide plane, the lower left corner of the outer stopper of second is equipped with lead the vice glide plane of glide plane adaptation.

5. The easy-to-remove mold of claim 2, wherein: the die comprises a die plate, a push plate and a concave die plate, and is characterized by further comprising a guide pillar and a guide sleeve, wherein the guide pillar is connected with the convex die plate, the guide sleeve is arranged on the push plate and the concave die plate, the guide pillar is connected with the guide sleeve in a sliding mode, and when the die is opened, the guide pillar is disconnected with the guide sleeve on the concave die after the limiting head is disconnected with the concave die.

6. The easy-to-remove mold of claim 1, wherein: the lower part of the sliding plate is connected with a supporting block, and the supporting block is abutted to the bottom of the convex template.

7. The easy-to-remove mold of claim 1, wherein: limiting plates are arranged on the front portion and the rear portion of the sliding plate, sliding grooves are formed in the limiting plates, and the convex die plate is connected with the sliding grooves in a sliding mode.

8. The easy-to-remove mold of claim 1, wherein: the top on the convex die plate is connected with a stop block and a connecting column, the connecting column is connected with the output end of the power component in a clamping mode, the connecting column is in threaded connection with the convex die plate, a notch is formed in the connecting column, the stop block is abutted to the notch, and the stop block is fixedly connected with the convex die plate.