CN218053709U

CN218053709U - Injection mold convenient to drawing of patterns

Info

Publication number: CN218053709U
Application number: CN202121776571.6U
Authority: CN
Inventors: 邓燕英
Original assignee: Ningguo Yangzi Plastic Parts Factory
Current assignee: Ningguo Yangzi Automotive Parts Co.,Ltd.
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-12-16
Anticipated expiration: 2031-07-30

Abstract

The utility model relates to an injection mold technical field specifically is an injection mold convenient to drawing of patterns, including the lower die cavity, four slots, four have been seted up to the bottom surface of the inner wall of lower die cavity the equal activity of inner wall of slot is pegged graft and is had the thimble, the side of thimble and the underrun spring swing joint of slot inner wall. The utility model discloses in, through the top surface of putting die cavity under with last die cavity, then press down the conflict pole and make it move down and contradict with the clamp plate, remove to suitable position after, make eight inserted bars pop out and peg graft with last die cavity and lower die cavity respectively through the pressure spring, it is simple and convenient to go up the die cavity and fix with lower die cavity, make the inserted bar shrink into the recess through pressing down the conflict pole in, then rotate and touch the pole and make the inserted bar relieve spacingly with lower die cavity and last die cavity, then will go up the die cavity and take away, lead to the spring and the extension spring cooperation simultaneously and make clamp plate and thimble shift up, it is ejecting from lower die cavity through the thimble at last, the device drawing of patterns is simple and convenient.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold convenient to drawing of patterns.

Background

Injection molding is a tool for producing plastic products and also for giving the plastic products complete structure and precise dimensions, and injection molding is a processing method used for mass production of parts with complex shapes.

The mould uses the mould to carry out injection moulding in present part, and the mould needs fix last mould and bed die through the bolt when using, and the operator need be in proper order with the bolt tightening, goes up the mould and fixes comparatively trouble with the bed die to need demolish the bolt in proper order after the completion of moulding plastics, then use the delivery instrument to carry out the delivery, and the device drawing of patterns is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold convenient to drawing of patterns to the last mould that provides in solving above-mentioned background art is fixed comparatively trouble, the comparatively trouble problem of device drawing of patterns with the bed die. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold convenient to drawing of patterns, includes the die cavity down, four slots have been seted up to the bottom surface of the inner wall of die cavity down, four the inner wall of slot is all movable to be pegged graft and is had the thimble, the side of thimble and the underrun spring swing joint of slot inner wall, the spout has been seted up to the side of slot, the first even board of side fixedly connected with of thimble, the side of first even board and the inner wall sliding connection of spout, two on the left side first even board and two first boards on right side are respectively through two clamp plate fixed connection, the side of clamp plate and the inner wall sliding connection of spout.

The top surface overlap joint of die cavity has last die cavity down, the top surface activity of going up the die cavity is pegged graft and is had the feeler lever, the lower extreme of feeler lever extends to the inner wall of spout and contradicts with the top surface of clamp plate, the side of feeler lever is seted up flutedly, the inner wall sliding connection of recess has the inserted bar, the side of inserted bar passes through pressure spring swing joint with the inner wall of recess.

Preferably, the sliding groove is composed of two transverse grooves and two vertical grooves, and the sliding groove is communicated with the slot.

Preferably, the inner wall of the sliding groove is connected with a second connecting plate in a sliding mode, and two ends of the second connecting plate are fixedly connected with the side faces of the two ejector pins respectively.

Preferably, the bottom surface of the pressing plate is movably connected with the bottom surface of the inner wall of the sliding groove through two tension springs, and the two tension springs are symmetrical relative to the pressing plate.

Preferably, the upper end of the touch rod is fixedly connected with a control handle, and the side surface of the control handle is bonded with anti-skid cotton.

Preferably, the quantity of inserted bar is eight, eight two of inserted bar are a set of and set up respectively in the upper end and the lower extreme of two inserted bar sides, and the upside is four the side of inserted bar is pegged graft with the inner wall activity of last die cavity, and the downside is four the side of inserted bar is pegged graft with the inner wall activity of die cavity down.

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

the utility model discloses in, through the top surface of putting die cavity under with last die cavity, then press down the conflict pole and make it move down and contradict with the clamp plate, remove to suitable position after, make eight inserted bars pop out and peg graft with last die cavity and lower die cavity respectively through the pressure spring, accomplish the fixed of die cavity and die cavity down, go up the die cavity and fix simple and convenient with lower die cavity.

The utility model discloses in, make in the inserted bar shrink advances the recess through pressing down conflict pole downwards, then rotate to make the inserted bar make inserted bar and lower die cavity and last die cavity remove spacingly, then will go up the die cavity and take away, lead to the spring simultaneously and make clamp plate and thimble shift up with the extension spring cooperation, it is ejecting from the lower die cavity with the model through the thimble, the device drawing of patterns is simple and convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a sectional view of the present invention showing a partial three-dimensional structure;

fig. 3 is a sectional view of the partial three-dimensional structure of the present invention.

In the figure: 1. a lower die cavity; 2. a slot; 3. a thimble; 4. a spring; 5. a chute; 6. a first connecting plate; 7. pressing a plate; 8. an upper mold cavity; 9. a touch bar; 10. a groove; 11. inserting a rod; 12. a pressure spring; 13. a second connecting plate; 14. a tension spring; 15. a control handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an injection mold convenient to drawing of patterns, including die cavity 1 down, four slots 2 have been seted up to the bottom surface of the inner wall of die cavity 1 down, four slots 2's inner wall is all the activity grafting has thimble 3, the side of thimble 3 and the bottom surface of slot 2 inner wall pass through spring 4 swing joint, spout 5 has been seted up to the side of slot 2, the first link 6 of side fixedly connected with of thimble 3, the side of first link 6 and the inner wall sliding connection of spout 5, two first links 6 on left side and two first links 6 on right side are respectively through two clamp plate 7 fixed connection, the side of clamp plate 7 and the inner wall sliding connection of spout 5, through pushing down in touch bar 9 impel inserted bar 11 to shrink into recess 10, then rotate touch bar 9 and impel inserted bar 11 and die cavity 1 down and go up die cavity 8 and remove spacingly, then take die cavity 8 away, logical spring 4 cooperates with extension spring 14 simultaneously and impel clamp plate 7 and thimble 3 to move up, it is ejecting from die cavity 1 down through thimble 3, the device drawing of patterns is simple and convenient.

Lower die cavity 1's top surface overlap joint has last die cavity 8, it has conflict pole 9 to go up the top surface activity of die cavity 8 to peg graft, the lower extreme of conflict pole 9 extends to the inner wall of spout 5 and contradicts with the top surface of clamp plate 7, conflict pole 9's side is seted up fluted 10, the inner wall sliding connection of recess 10 has inserted bar 11, the side of inserted bar 11 passes through pressure spring 12 swing joint with the inner wall of recess 10, through putting last die cavity 8 at lower die cavity 1's top surface, then press and to touch pole 9 make it move down and contradict with clamp plate 7, move to suitable position after, make eight inserted bars 11 pop out and peg graft with last die cavity 8 and lower die cavity 1 respectively through pressure spring 12, accomplish the fixed of die cavity 8 and lower die cavity 1, it is simple and convenient to go up die cavity 8 and lower die cavity 1 fixed.

In this embodiment, as shown in fig. 2 and fig. 3, the sliding groove 5 is composed of two horizontal grooves and two vertical grooves, and the sliding groove 5 is communicated with the slot 2, so that the sliding groove 5 and the slot 2 cooperate to ensure that the first connecting plate 6 and the thimble 3 can be driven to move downward when the pressing plate 7 moves downward.

In this embodiment, as shown in fig. 2 and 3, the inner wall of the sliding groove 5 is slidably connected with a second connecting plate 13, two ends of the second connecting plate 13 are respectively and fixedly connected with the side surfaces of the two ejector pins 3, and the two second connecting plates 13 are matched with the four ejector pins 3 to ensure that the four ejector pins 3 synchronously move when the pressing plate 7 moves.

In this embodiment, as shown in fig. 1, 2 and 3, the bottom surface of the pressing plate 7 is movably connected to the bottom surface of the inner wall of the sliding chute 5 through two tension springs 14, and the two tension springs 14 are symmetrical with respect to the pressing plate 7, so that the pressing plate 7 automatically moves upwards after the contact rod 9 is separated from the pressing plate 7 through the tension springs 14, and simultaneously drives the ejector pins 3 to move upwards and eject the mold from the lower mold cavity 1.

In this embodiment, as shown in fig. 1, fig. 2, and fig. 3, the upper end of the touch bar 9 is fixedly connected with a control handle 15, and the side surface of the control handle 15 is bonded with the anti-slip cotton, so that the touch bar 9 can be conveniently rotated by the control handle 15, and the anti-slip is performed by the anti-slip cotton.

In this embodiment, as shown in fig. 1, 2, and 3, the number of the insert rods 11 is eight, two of the eight insert rods 11 are a set and are respectively disposed at the upper end and the lower end of the side surfaces of the two insert rods 11, the side surfaces of the upper four insert rods 11 are movably inserted into the inner wall of the upper mold cavity 8, the side surfaces of the lower four insert rods 11 are movably inserted into the inner wall of the lower mold cavity 1, and the upper mold cavity 8 and the lower mold cavity 1 are fixed by the cooperation of the upper insert rods 11 and the lower insert rods 11.

The utility model discloses a use method and advantage: the injection mold convenient for demolding comprises the following working processes:

as shown in fig. 1, 2 and 3, an upper mold cavity 8 is firstly placed on the top surface of a lower mold cavity 1, then a pressing contact rod 9 is pressed to enable the pressing contact rod to move downwards and to be abutted against a pressing plate 7, after the pressing contact rod moves to a proper position, eight insertion rods 11 are made to pop out through a pressure spring 12 and are respectively inserted into the upper mold cavity 8 and the lower mold cavity 1, the upper mold cavity 8 and the lower mold cavity 1 are fixed, then injection molding is carried out, after the injection molding is completed, the insertion rods 11 are made to shrink into grooves 10 through downward pressing contact rod 9, then the contact rod 9 is rotated to enable the insertion rods 11 to be released from limiting with the lower mold cavity 1 and the upper mold cavity 8, then the upper mold cavity 8 is taken away, meanwhile, a spring 4 is matched with a tension spring 14 to enable the pressing plate 7 and ejector pins 3 to move upwards, the mold is ejected from the lower mold cavity 1 through the ejector pins 3, and finally the mold is taken out from the lower mold cavity 1.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. The skilled worker in this industry should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the preferred embodiments of the present invention, and does not limit the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An injection mold convenient to drawing of patterns, includes die cavity (1) down, its characterized in that: the bottom surface of the inner wall of the lower die cavity (1) is provided with four slots (2), the inner walls of the four slots (2) are movably inserted with ejector pins (3), the side surfaces of the ejector pins (3) are movably connected with the bottom surfaces of the inner walls of the slots (2) through springs (4), the side surfaces of the slots (2) are provided with sliding grooves (5), the side surfaces of the ejector pins (3) are fixedly connected with first connecting plates (6), the side surfaces of the first connecting plates (6) are slidably connected with the inner walls of the sliding grooves (5), the two first connecting plates (6) on the left side and the two first connecting plates (6) on the right side are fixedly connected through two pressing plates (7), and the side surfaces of the pressing plates (7) are slidably connected with the inner walls of the sliding grooves (5);

the top surface overlap joint of die cavity (1) has last die cavity (8) down, the top surface activity of going up die cavity (8) is pegged graft and is had conflict pole (9), the lower extreme of conflict pole (9) extends to the inner wall of spout (5) and contradicts with the top surface of clamp plate (7), the side of conflict pole (9) is seted up flutedly (10), the inner wall sliding connection of recess (10) has inserted bar (11), the side of inserted bar (11) passes through pressure spring (12) swing joint with the inner wall of recess (10).

2. The injection mold for facilitating demolding as claimed in claim 1, wherein: the sliding groove (5) is composed of two transverse grooves and two vertical grooves, and the sliding groove (5) is communicated with the slot (2).

3. The injection mold for facilitating demolding as claimed in claim 1, wherein: the inner wall sliding connection of spout (5) has second even board (13), the both ends of second even board (13) respectively with the side fixed connection of two thimbles (3).

4. The injection mold for facilitating demolding as claimed in claim 1, wherein: the bottom surface of the pressing plate (7) is movably connected with the bottom surface of the inner wall of the sliding groove (5) through two tension springs (14), and the two tension springs (14) are symmetrical relative to the pressing plate (7).

5. The injection mold for facilitating demolding as claimed in claim 1, wherein: the upper end of the touch rod (9) is fixedly connected with a control handle (15), and the side surface of the control handle (15) is bonded with anti-skid cotton.

6. The injection mold for facilitating demolding as claimed in claim 1, wherein: the quantity of inserted bar (11) is eight, eight two inserted bar (11) are a set of and set up respectively in the upper end and the lower extreme of two inserted bar (11) sides, and the upside is four the side of inserted bar (11) is pegged graft with the inner wall activity of last mould chamber (8), and the downside is four the side of inserted bar (11) is pegged graft with the inner wall activity of lower mould chamber (1).