CN111907018A

CN111907018A - Improved injection mold easy to operate

Info

Publication number: CN111907018A
Application number: CN202010816057.4A
Authority: CN
Inventors: 杨建鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-11-10

Abstract

An improved injection mold easy to operate comprises a main body, the bottom of the main body is fixedly provided with the injection mold, a support pillar is fixedly arranged on the bottom template, a second shaping template is fixedly arranged on the support pillar, the second shaping template is movably provided with a first shaping template, the first shaping template is fixedly provided with a top template, an electric telescopic rod is fixedly arranged between the bottom template and the top template, a first ejection assembly is arranged on the second shaping template, the first ejection assembly comprises an ejection frame, an ejection block, a first spring and a support column, the support column is fixedly arranged on the second shaping template, the top fixed mounting of support column has the kicking block, sliding connection has the top frame on the support column, the cover is equipped with first spring on the support column, through setting up first ejecting subassembly and fore-set to the realization is to the drawing of patterns of product.

Description

Improved injection mold easy to operate

Technical Field

The invention relates to the technical field of injection molds, in particular to an improved injection mold easy to operate.

Background

The injection mold is an important process device for producing various industrial products, and is widely applied to various industries along with the rapid development of the plastic industry and the popularization and application of plastic products in the industrial departments of aviation, aerospace, electronics, machinery, ships, automobiles and the like. The traditional injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of an injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product.

However, when the existing injection mold is used for demolding, the mold is difficult to demold due to the strong adhesion between the product and the mold.

Disclosure of Invention

The object of the present invention is to provide an improved injection mold which is easy to operate, so as to solve the problems presented in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

an improved injection mold easy to operate comprises a main body, wherein the bottom of the main body is fixedly provided with the injection mold, the injection mold comprises a top template, a bottom template, a first shaping template, a second shaping template, a support column and a first ejection assembly, the bottom template is fixedly provided with the support column, the support column is fixedly provided with the second shaping template, the second shaping template is movably provided with the first shaping template, the first shaping template is fixedly provided with the top template, an electric telescopic rod is fixedly arranged between the bottom template and the top template, the second shaping template is provided with the first ejection assembly, the first ejection assembly comprises a top frame, a top block, a first spring and a support column, the second shaping template is fixedly provided with the support column, the top end of the support column is fixedly provided with the top block, the support column is slidably connected with the top frame, the support column is sleeved with a first spring.

The further scheme of the invention is as follows: the fixed mounting has first pneumatic cylinder on the die block board, fixed mounting has first telescopic link on the first pneumatic cylinder, the top fixedly connected with backup pad of first telescopic link, the spout has been seted up on the support column, fixed mounting has the slider with spout sliding connection in the backup pad, the last fixed surface of backup pad installs the fore-set, fore-set and second design template sliding connection.

The further scheme of the invention is as follows: the first sizing template is provided with a U-shaped cold water pipe, and the U-shaped cold water pipe is externally connected with a cold water tank.

The further scheme of the invention is as follows: the injection molding pipe penetrates through the first shaping template and the top template, the injection molding pipe is rotatably connected with a sealing plate, and a second spring is fixedly connected between the sealing plate and the injection molding pipe.

The further scheme of the invention is as follows: fixed mounting has the second pneumatic cylinder in the main part, fixed mounting has the second telescopic link on the second pneumatic cylinder, the bottom fixedly connected with of second telescopic link head of moulding plastics, the head of moulding plastics includes shell, motor and spiral transfer bar, fixed mounting has the motor on the shell, the output fixedly connected with spiral transfer bar of motor.

The further scheme of the invention is as follows: the overhead fixedly connected with conveyer pipe of moulding plastics, the top fixed mounting of main part melts and moulds the case, the conveyer pipe with melt and mould case fixed connection.

The further scheme of the invention is as follows: and a leakage-proof joint is fixedly arranged at the top end of the injection molding pipe.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the arrangement of the first ejection assembly, when demoulding is carried out, the electronic telescopic rod drives the top template to move upwards, so that the first fixed template moves upwards, the extruded top frame moves upwards under the action of the first spring, so that an upward jacking force is generated on a formed product, meanwhile, the first hydraulic cylinder is started, and through the action of the first telescopic rod, the support plate drives the top column to move upwards, so that a jacking force is generated on the product, so that the product is better demoulded, and deformation caused by the viscous force between the product and the mould during demoulding is avoided.

According to the invention, the spiral transmission rod is arranged in the injection molding head, and the spiral transmission rod is driven to rotate by the motor during injection molding, so that raw materials are prevented from being blocked in the injection molding head.

Drawings

FIG. 1 is a schematic view of an improved injection mold which is easy to operate.

Fig. 2 is a schematic view of a molding structure of an injection mold.

Fig. 3 is a schematic diagram of an ejection structure of the injection mold.

Fig. 4 is an enlarged view of a portion a in fig. 2.

Fig. 5 is an enlarged view of fig. 2 at B.

FIG. 6 is a schematic view of the internal structure of the injection head.

Notations for reference numerals: 1-main body, 2-plastic melting box, 3-delivery pipe, 4-second hydraulic cylinder, 5-second telescopic pipe, 6-injection head, 601-outer shell, 602-motor, 603-spiral delivery rod, 7-injection mold, 701 top template, 702-first shaping template, 703-second shaping template, 704-U type cold water pipe, 705-injection pipe, 706-electric telescopic rod, 707-support column, 708-sliding chute, 709-sliding block, 710-first hydraulic cylinder, 711-first telescopic rod, 712-top column, 713-bottom template, 714-support plate, 715-leakproof joint, 8-top frame, 9-top block, 10-support column, 11-first spring, 12-sealing plate and 13-second spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Current injection mold is when carrying out the drawing of patterns, because the adhesion between product and the mould is stronger, leads to the mould difficult drawing of patterns when the drawing of patterns, so this embodiment is through setting up first ejecting subassembly and fore-set to the realization is to the drawing of patterns of product.

Referring to fig. 2-5, an improved injection mold easy to operate includes a main body 1, an injection mold 7 is fixedly installed at the bottom of the main body 1, the injection mold 7 includes a top mold plate 701, a bottom mold plate 713, a first shaping mold plate 702, a second shaping mold plate 703, a support column 707, and a first ejection assembly, the support column 707 is fixedly installed on the bottom mold plate 713, the second shaping mold plate 703 is fixedly installed on the support column 707, the first shaping mold plate 702 is movably disposed on the second shaping mold plate 703, the top mold plate 701 is fixedly installed on the first shaping mold plate 702, an electric telescopic rod 706 is fixedly installed between the bottom mold plate 713 and the top mold plate 701, the second shaping mold plate 703 is provided with the first ejection assembly, the first ejection assembly includes a top frame 8, a top block 9, a first spring 11 and a support column 10, the support column 10 is fixedly installed on the second shaping mold plate 703, the top fixed mounting of support column 10 has kicking block 9, sliding connection has top frame 8 on the support column 10, the cover is equipped with first spring 11 on the support column 10. The bottom template 713 is fixedly provided with a first hydraulic cylinder 710, the first hydraulic cylinder 710 is fixedly provided with a first telescopic rod 711, the top end of the first telescopic rod 711 is fixedly connected with a supporting plate 714, the supporting column 707 is provided with a sliding groove 708, the supporting plate 714 is fixedly provided with a sliding block 709 which is in sliding connection with the sliding groove 708, the upper surface of the supporting plate 714 is fixedly provided with a top column 712, and the top column 712 is in sliding connection with the second shaping template 703.

The principle of the embodiment is as follows: when carrying out the drawing of patterns, electron telescopic link 706 drives top template 701 and shifts up, thereby make first design template 702 move up, the top frame 8 that is extruded shifts up under the effect of first spring 11, thereby produce ascending apical force to the product that forms, start first pneumatic cylinder 710 simultaneously, effect through first telescopic link 711, thereby make backup pad 714 drive top post 712 move up, produce the apical force to the product, make better the drawing of patterns of carrying out of products, avoid because the viscous force between product and mould leads to taking place deformation when the drawing of patterns.

Example 2

Current injection mold is when carrying out the casting mould, often is annotating the material back, waits for the product cooling shaping that forms, then carries out the drawing of patterns, and this kind of mode both time-wasting and great influence the efficiency of production again, so this embodiment is through setting up U type cold water pipe on first typical forms to the cooling and the shaping of product have been accelerated.

Referring to fig. 2, a U-shaped cold water pipe 704 is disposed on the first sizing template 702, and a cold water tank is externally connected to the U-shaped cold water pipe 704.

After the material is injected, cold water is injected into the U-shaped cold water pipe 704 through the external cold water tank, so that the temperature can be rapidly reduced, and the cooling and forming of products are accelerated.

Further, referring to fig. 2, an injection pipe 705 penetrates through the first fixed die plate 702 and the top die plate 702, a sealing plate 12 is rotatably connected to the injection pipe 705, a second spring 13 is fixedly connected between the sealing plate 12 and the injection pipe 705, and a leakage-proof joint 715 is fixedly mounted at the top end of the injection pipe 705. The leak-proof joint 715 and the injection head 6 are in shape fit, so that a seal is formed, and the injection head 6 is prevented from leaking materials during material injection.

When annotating the material, the head 6 of moulding plastics stretches into in the injection pipe 705 to extrude closing plate 12, make second spring 13 receive the extrusion, thereby make closing plate 12 open, the head 6 of moulding plastics annotates the material, annotates the material and accomplish the back, under the effect of second spring 13, closing plate 12 resets.

Example 3

When annotating the material to injection mold, the head of moulding plastics is released easily and is blockked up, and the head of moulding plastics stops up and can make whole production stagnation, influences production rate, so this embodiment is through setting up the screw conveyer pole to the jam of the head of moulding plastics has been avoided.

Referring to fig. 1 and 6, a second hydraulic cylinder 4 is fixedly mounted on the main body 1, a second telescopic rod 5 is fixedly mounted on the second hydraulic cylinder 4, an injection head 6 is fixedly connected to the bottom end of the second telescopic rod 5, the injection head 6 includes a housing 601, a motor 602 and a spiral conveying rod 603, the motor 602 is fixedly mounted on the housing 601, the spiral conveying rod 603 is fixedly connected to the output end of the motor 602, a conveying pipe 3 is fixedly connected to the injection head 6, a molten plastic box 2 is fixedly mounted at the top end of the main body 1, and the conveying pipe 3 is fixedly connected to the molten plastic box 2.

When annotating the material, start second pneumatic cylinder 4, drive through second telescopic link 5 and mould plastics head 6 and stretch into the pipe 705 of moulding plastics, will melt through conveyer pipe 3 and mould in the raw materials of case 2 carry the head 6 of moulding plastics in, starter motor 602 to it is rotatory to drive spiral conveying rod 603, and spiral conveying rod 603 transmits the raw materials on the one hand, and on the other hand prevents that the raw materials from blockking up in the head 6 of moulding plastics, leads to unable notes material.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An easy-to-operate improved injection mold comprising a main body (1), characterized in that: the injection mold (7) is fixedly installed at the bottom of the main body (1), the injection mold (7) comprises a top template (701), a bottom template (713), a first shaping template (702), a second shaping template (703), a support column (707) and a first ejection assembly, the support column (707) is fixedly installed on the bottom template (713), the second shaping template (703) is fixedly installed on the support column (707), the first shaping template (702) is movably arranged on the second shaping template (703), the top template (701) is fixedly installed on the first shaping template (702), an electric telescopic rod (706) is fixedly installed between the bottom template (713) and the top template (701), the first ejection assembly is arranged on the second shaping template (703), and comprises a top frame (8), a top block (9), a first spring (11) and a support column (10), fixed mounting has support column (10) on second design template (703), the top fixed mounting of support column (10) has kicking block (9), sliding connection has top frame (8) on support column (10), the cover is equipped with first spring (11) on support column (10).

2. An improved injection mold for ease of operation as defined in claim 1 wherein: fixed mounting has first pneumatic cylinder (710) on bottom form board (713), fixed mounting has first telescopic link (711) on first pneumatic cylinder (710), the top fixedly connected with backup pad (714) of first telescopic link (711), spout (708) have been seted up on support column (707), fixed mounting has slider (709) with spout (708) sliding connection on backup pad (714), the last fixed surface of backup pad (714) installs fore-set (712), fore-set (712) and second design template (703) sliding connection.

3. An improved injection mold for ease of operation as set forth in claim 2, wherein: a U-shaped cold water pipe (704) is arranged on the first sizing template (702), and a cold water tank is externally connected to the U-shaped cold water pipe (704).

4. An improved injection mold for ease of operation as set forth in claim 3 wherein: an injection molding pipe (705) penetrates through the first sizing template (702) and the top template (701), a sealing plate (12) is rotatably connected to the injection molding pipe (705), and a second spring (13) is fixedly connected between the sealing plate (12) and the injection molding pipe (705).

5. An improved injection mold for ease of operation as defined in claim 1 wherein: fixed mounting has second pneumatic cylinder (4) on main part (1), fixed mounting has second telescopic link (5) on second pneumatic cylinder (4), the bottom fixedly connected with of second telescopic link (5) moulds plastics head (6), mould plastics head (6) including shell (601), motor (602) and spiral transfer bar (603), fixed mounting has motor (602) on shell (601), the output fixedly connected with spiral transfer bar (603) of motor (602).

6. An improved injection mold for ease of operation as set forth in claim 5, wherein: fixedly connected with conveyer pipe (3) on head (6) moulds plastics, the top fixed mounting of main part (1) melts and moulds case (2), conveyer pipe (3) with melt and mould case (2) fixed connection.

7. An improved injection mold for ease of operation as set forth in claim 4 wherein: and a leakage-proof joint (715) is fixedly arranged at the top end of the injection molding pipe (705).