CN213675199U

CN213675199U - Injection mold convenient to drawing of patterns

Info

Publication number: CN213675199U
Application number: CN202022027984.6U
Authority: CN
Inventors: 肖世国
Original assignee: Suzhou Gangyuan Plastic Co ltd
Current assignee: Suzhou Gangyuan Plastic Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-07-13
Anticipated expiration: 2030-09-16

Abstract

The utility model provides an injection mold convenient for demolding, which comprises a lower die holder, a side at the top end of the lower die holder is fixedly connected with a movable rod, the top end of the movable rod is fixedly connected with a top plate, the middle part at the top end of the top plate is fixedly provided with a power shaft, the bottom end of the power shaft is fixedly connected with a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a fixed seat, the bottom end of the fixed seat is fixedly connected with an upper die base, the bottom end of the upper die base is fixedly provided with an upper die, the top end of the lower die holder is fixedly provided with a lower die, two inner ends of the upper die and the lower die are fixedly connected with rotating bases, a gear shaft is rotatably connected between the two rotating bases, one side of the gear shaft is meshed with a rack rod, one side of the middle part of the gear shaft is meshed, the demolding of the injection mold can be realized more easily.

Description

Injection mold convenient to drawing of patterns

Technical Field

The utility model mainly relates to an injection mold's technical field, concretely relates to injection mold convenient to drawing of patterns.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and injection molding is a processing method used in batch production of parts with complex shapes.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an injection mold convenient to drawing of patterns for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: including the die holder, the avris fixedly connected with movable rod on die holder top, the top fixedly connected with roof of movable rod, the middle part fixed mounting on roof top has the power shaft, the bottom fixedly connected with telescopic link of power shaft, the bottom fixedly connected with fixing base of telescopic link, the bottom fixedly connected with upper die base of fixing base, the bottom fixed mounting of upper die base has the mould, the top fixed mounting of die holder has the bed die, the equal fixedly connected with rotating base in inside both ends of mould and bed die on, two rotate between the rotating base and be connected with the gear shaft, one side meshing of gear shaft is connected with the rack bar, one side meshing at gear shaft middle part is connected with the gear post.

As a preferred technical scheme of the utility model, the spout has all been fixed to the both sides of upper die base, the inside of spout is inlayed and is had the sliding sleeve, the inside of sliding sleeve and the middle part swing joint of movable rod.

As a preferred technical scheme of the utility model, go up the fixed mouth of moulding plastics of having seted up of inside one end of mould, go up the both sides fixedly connected with lug of mould bottom, go up the equal fixed movable groove of having seted up in middle part of mould bed die, two the equal fixedly connected with spring of one end in movable groove, two the first stopper of the equal fixedly connected with of one end of spring, the one end of first stopper and the one end fixed connection of gear post.

As a preferred technical scheme of the utility model, first spacing groove has all been fixed to the both sides at activity groove top, the inside of first spacing groove and the outside swing joint of first stopper.

As an optimal technical scheme of the utility model, the draw-in groove has all been fixed to the both sides on bed die top, the inside of draw-in groove is connected with the outside block of lug.

As a preferred technical scheme of the utility model, the inside one side of bed die is fixed and has been seted up the second spacing groove, the one end swing joint of second spacing groove has the second stopper, one side fixed connection of the one end of second stopper and rack bar bottom, the top of rack bar and the inside top fixed connection of last mould, the inside threaded connection on power shaft top has outside power device.

Compared with the prior art, the beneficial effects of the utility model are that: one of them, the utility model relates to an upper die and the inside gear post of using as the thimble of all installing of bed die, through the dual promotion lower power of two gear posts, the fashioned working of plastics of card in the mould demold after will cooling more easily.

Two, the utility model relates to a gear shaft all installs in the inside of last mould and bed die, fixes between with last bed die through the rack bar, and the rack bar is connected with the gear shaft meshing, makes the gear shaft pass through the meshing of rack bar and connects and rotate at last mould lifting in-process, and the rotation of rack bar drives the gear post that the middle part meshing is connected and stretches out from the movable slot to make the gear post stretch out and accomplish the drawing of patterns.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2;

fig. 5 is a schematic diagram of the explosion structure of the conveying mechanism of the present invention.

In the figure: 1. a lower die holder; 2. an upper die holder; 3. a top plate; 4. a movable rod; 5. a power shaft; 6. a sliding sleeve; 7. a telescopic rod; 8. a fixed seat; 9. an upper die; 10. a lower die; 11. an injection molding port; 12. a card slot; 13. a bump; 14. a rack bar; 15. a gear shaft; 16. a gear post; 17. a first limit groove; 18. a first stopper; 19. a spring; 20. rotating the base; 21. A second limit groove; 22. and a second limiting block.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-5 heavily, the utility model provides an injection mold convenient for demolding, which comprises a lower mold base 1, a movable rod 4 is fixedly connected to the side of the top end of the lower mold base 1, a top plate 3 is fixedly connected to the top end of the movable rod 4, a power shaft 5 is fixedly installed in the middle of the top end of the top plate 3, an external power device is connected to the internal thread of the top end of the power shaft 5, a telescopic rod 7 is fixedly connected to the bottom end of the power shaft 5, a fixed seat 8 is fixedly connected to the bottom end of the telescopic rod 7, an upper mold base 2 is fixedly connected to the bottom end of the fixed seat 8, sliding grooves are fixedly formed in both sides of the upper mold base 2, sliding sleeves 6 are embedded in the sliding grooves, the interior of the sliding sleeves 6 is movably connected to the middle of the movable rod 4, an upper mold 9 is fixedly installed at the bottom end of the upper mold base 2, a lower, rotate between two rotating basis 20 and be connected with gear shaft 15, one side meshing of gear shaft 15 is connected with rack bar 14, one side meshing at gear shaft 15 middle part is connected with gear post 16, the bottom of gear post 16 sets up to cylindrically, can alleviate the harm to the working of plastics surface when the drawing of patterns, the middle part of gear post 16 sets up to the rack form to realize that the meshing of gear post 16 and gear shaft 15 is connected.

An injection molding opening 11 is fixedly arranged at one end inside an upper mold 9, convex blocks 13 are fixedly connected at two sides of the bottom end of the upper mold 9, movable grooves are fixedly arranged at the middle part of a lower mold 10 of the upper mold 9, springs 19 are fixedly connected at one ends of the two movable grooves, first limiting blocks 18 are fixedly connected at one ends of the two springs 19, the springs 19 are driven to stretch when a gear column 16 moves, the first limiting blocks 18 connected with the springs 19 move inside the first limiting grooves 17, the force is not too strong when the gear column 16 extends out under the pulling action of the springs 19 during demolding, the surface of a formed plastic piece cannot be easily damaged, one end of each first limiting block 18 is fixedly connected with one end of the gear column 16, the first limiting grooves 17 are fixedly arranged at two sides of the top of the movable grooves, the inside of each first limiting groove 17 is movably connected with the outside of the corresponding first limiting block 18, clamping grooves 12 are fixedly arranged at two sides of the top end of the lower mold, the inside of draw-in groove 12 is connected with the outside block of lug 13, second spacing groove 21 has been seted up to the fixed one side in the inside of bed die 10, the one end swing joint of second spacing groove 21 has second stopper 22, one side fixed connection of the one end of second stopper 22 and the 14 bottoms of rack bar, second stopper 22 can prevent effectively that rack bar 14 from shifting out from second spacing groove 21 when rack bar 14 upwards moves, the top of rack bar 14 and the inside top fixed connection of last mould 9, set up for the opposite direction between the inside pinion column 16 of going up mould 9 and the inside pinion column 16 of bed die 10.

The utility model discloses a concrete operation as follows: after power shaft 5 and outside power device threaded connection are fixed, open outside power device, the telescopic link 7 that drives 5 bottom fixed connection of power shaft stretches out downwards after the operation, the fixing base 8 that drives the bottom connection under the effect of the decurrent impetus of telescopic link 7 moves down, the removal of fixing base 8 drives upper die base 2 and moves down, and then drive the last mould 9 of 2 bottom fixed installations of upper die base and move down, inside the draw-in groove 12 that 10 top both sides of lower die were seted up was advanced to lug 13 block of last mould 9 bottom both sides fixed connection, close outside power device after the chucking.

Afterwards, the melted plastic is injected into the interior of the upper mold 9 through the injection port 11, the space between the upper mold 9 and the lower mold 10 is filled with the melted plastic, the external power device is started after the plastic is molded, the telescopic rod 7 is stressed to stretch upwards and downwards to drive the fixing seat 8 and the upper mold base 2 connected with the fixing seat 8 to move upwards, the upper mold base 2 moves upwards to drive the upper mold 9 to move upwards, the upper mold 9 moves upwards to drive the rack rod 14 to move upwards, so that the gear shaft 15 connected with the rack rod 14 in a meshed mode rotates anticlockwise, the gear shaft 15 rotates to drive the gear columns 16 connected with the upper mold 9 and the lower mold 10 in an meshed mode to move upwards from the interior of the movable groove, the plastic piece clamped in the mold can be easily pushed out under the double driving force of the two gear columns 16, and demolding is completed.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The injection mold convenient for demolding comprises a lower mold base (1) and is characterized in that a side of the top end of the lower mold base (1) is fixedly connected with a movable rod (4), the top end of the movable rod (4) is fixedly connected with a top plate (3), the middle of the top end of the top plate (3) is fixedly provided with a power shaft (5), the bottom end of the power shaft (5) is fixedly connected with a telescopic rod (7), the bottom end of the telescopic rod (7) is fixedly connected with a fixed seat (8), the bottom end of the fixed seat (8) is fixedly connected with an upper mold base (2), the bottom end of the upper mold base (2) is fixedly provided with an upper mold (9), the top end of the lower mold base (1) is fixedly provided with a lower mold (10), two inner two ends of the upper mold (9) and the lower mold (10) are fixedly connected with rotating bases (20), and a gear shaft (15), and one side of the gear shaft (15) is engaged and connected with a rack rod (14), and one side of the middle part of the gear shaft (15) is engaged and connected with a gear column (16).

2. The injection mold convenient to demold according to claim 1, wherein sliding grooves are fixedly formed in both sides of the upper mold base (2), sliding sleeves (6) are embedded in the sliding grooves, and the insides of the sliding sleeves (6) are movably connected with the middle parts of the movable rods (4).

3. The injection mold convenient to demold of claim 1, characterized in that, the one end of the inside of upper mold (9) is fixed to be seted up and is moulded plastics mouth (11), the both sides fixedly connected with lug (13) of upper mold (9) bottom, the movable groove has all been fixed to be seted up in the middle part of upper mold (9) and lower mold (10), two the equal fixedly connected with spring (19) of one end in movable groove, two the equal fixedly connected with first stopper (18) of one end of spring (19), the one end of first stopper (18) and the one end fixed connection of gear post (16).

4. The injection mold convenient to demold according to claim 3, wherein both sides of the top of the movable groove are fixedly provided with a first limiting groove (17), and the inside of the first limiting groove (17) is movably connected with the outside of the first limiting block (18).

5. The injection mold convenient to demold as defined in claim 1, wherein clamping grooves (12) are fixedly formed on both sides of the top end of the lower mold (10), and the inside of the clamping grooves (12) is connected with the outside of the protruding blocks (13) in a clamping manner.

6. The injection mold convenient to demold as defined in claim 2, wherein a second limiting groove (21) is fixedly formed in one side of the inside of the lower mold (10), a second limiting block (22) is movably connected to one end of the second limiting groove (21), one end of the second limiting block (22) is fixedly connected to one side of the bottom end of the rack bar (14), the top end of the rack bar (14) is fixedly connected to the top end of the inside of the upper mold (9), and an external power device is connected to the internal thread of the top end of the power shaft (5).