CN219522958U

CN219522958U - Quick cooling demoulding device for injection molding production

Info

Publication number: CN219522958U
Application number: CN202320448483.6U
Authority: CN
Inventors: 戴以杰; 李建伟
Original assignee: Shandong Boyou Machinery Technology Co ltd
Current assignee: Shandong Boyou Machinery Technology Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-15
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a rapid cooling demoulding device for injection molding production, which relates to the technical field of hardware moulds and comprises a bottom box, wherein a stand column and a machine box are arranged on the bottom box, a footstock is arranged at the top end of the stand column, a hydraulic cylinder is arranged on the footstock, the hydraulic cylinder is connected with an upper mould, the upper mould is matched with a lower mould arranged on the machine box, an upper mould cavity is arranged on the upper mould, a lower mould cavity matched with the upper mould cavity and an injection port are arranged on the lower mould, a cooling mechanism is arranged in the bottom box and connected with the lower mould, a demoulding mechanism is arranged in the machine box, the demoulding mechanism comprises an ejection column, a perforation matched with a fixed column is arranged in the lower mould, and the fixed column is in sliding fit in the perforation; the device adopts circulating cooling, the cooled water body can be reintroduced into the cooling water tank for recycling, the cooling effect is greatly improved, and the formed workpiece is ejected out of the lower die cavity in a jacking mode during demolding, so that the device has a simple structure and high use value.

Description

Quick cooling demoulding device for injection molding production

Technical Field

The utility model relates to the technical field of hardware dies, in particular to a rapid cooling and demolding device for injection molding production.

Background

Hardware refers to machine parts and components made of hardware, and some small hardware, which can be used alone or as an auxiliary tool, and is now applied to various industries. The production of hardware is generally through carrying out the injection molding to the mould and shaping, and current hardware injection mold is after injection molding, and its bottom bonds together with the inside of bed die easily, and the thimble of ordinary use then causes the damage of hardware surface easily, is unfavorable for the production of hardware.

The utility model provides a hardware mould demoulding structure, includes the base, the base is hollow structure, the opening has been seted up at the base top, slide in the base and be provided with the bed die, be provided with four group shedder in the bed die, the inside fixed welding of base has round spacing, spacing can carry out spacing to the bed die, spacing sets up in the bed die bottom, the inside push away mould device that is provided with of base, the inside both sides of bed die are provided with cooling jacket, and cooling jacket passes through cooling tube and is connected with cooling water tank, the base top outer fringe is provided with the die closure frame, the inside movable frame that is provided with of die closure frame, the movable frame top is provided with the pneumatic cylinder, the movable frame bottom terminal surface is provided with the mould, the mould bottom is fixed with the ejector pin on, the both ends of movable frame bottom all are provided with the second spring; the device realizes automatic cooling during workpiece forming and automatic demolding after forming, but the ejection structure of the device is too complex during use, the complex ejection structure is not convenient to replace once damaged during demolding, and the maintenance cost is high; and the device cools off the inner wall of bed die and work piece through the inside cooling water of clamp cover when the cooling, because the work piece raw materials is the high temperature state in the injection molding process, the device does not have the circulation design of cooling water, leads to its temperature to rise after the cooling water uses a period, and the cooling effect can be influenced.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and further provides a rapid cooling demoulding device for injection production.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a quick cooling shedder is used in injection molding production, including the base case, be equipped with stand and quick-witted case on the base case, the stand top is equipped with the footstock, install the pneumatic cylinder on the footstock, the pneumatic cylinder is connected with the mould, go up the mould and set up the bed die on quick-witted case and cooperate, be equipped with the die cavity on going up the mould, be equipped with on the bed die with last die cavity matched with lower die cavity and the mouth of moulding plastics, be equipped with the cooling body who is used for carrying out cooling when the work piece shaping in the base case, cooling body is connected with the bed die in order to realize cooling water at the internal circulation of bed die, the quick-witted incasement is equipped with demoulding body, demoulding body includes ejecting post, be equipped with in the bed die with the perforation of deciding post looks adaptation, decide post sliding fit in the perforation.

Furthermore, the upper die is also provided with a guide hole, the lower die is provided with a guide rod matched with the guide hole, and the design improves the position precision of the upper die and the lower die in the combining process.

Further, cooling body includes coolant tank, feed liquor subassembly, divide liquid box, cooling tube, liquid collecting box, cooling water set and catheter, coolant tank passes through the feed liquor subassembly and is connected with the branch liquid box that sets up on the bed die, divide to be provided with many cooling tubes on the liquid box, the cooling tube sets up inside the bed die and the one end of many cooling tubes is connected with the liquid collecting box jointly, the liquid collecting box passes through the back flow and is connected with the cooling water set that sets up in the base tank in order to realize the cooling to the water body that flows in the liquid collecting box, the exit end of cooling water set links to each other with coolant tank through the catheter in order to realize that the water body cools off the back is leading-in coolant tank again and carries out reuse.

Further, the liquid inlet component comprises a liquid inlet pipe, a liquid pump and a liquid outlet pipe, the liquid pump is connected with the liquid inlet pipe and the liquid outlet pipe, the liquid inlet pipe is connected with the outlet end of the cooling water tank, and the liquid outlet pipe is connected with the liquid distribution box.

Further, demoulding mechanism still includes jacking pneumatic cylinder and link board, and quick-witted incasement is equipped with the jacking pneumatic cylinder, and the jacking pneumatic cylinder is connected with the link board, is provided with the surely post on the link board perpendicularly, and the ejecting post passes quick-witted case top and stretches into in the perforation.

Furthermore, the number of the fixed posts is three, and the three fixed posts are arranged in a triangular mode to improve the ejection effect of the workpiece, so that the bottom of the workpiece is stressed uniformly in the ejection process.

Furthermore, the spring is sleeved outside the ejection column and is positioned between the chassis and the connecting plate so as to avoid damage to the chassis or the connecting plate caused by too high ejection speed of the ejection hydraulic cylinder.

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

the utility model realizes automatic cooling during workpiece forming and automatic demoulding after forming, the cooling adopts circulating cooling, a liquid pump pumps the water body in the cooling water tank into the liquid separating box, the liquid separating box guides the water body in the liquid separating box into a plurality of cooling pipes, the cooling pipes cool the whole lower die, the cooled water body is cooled by the cooling unit and then is guided into the cooling water tank again for recycling, and the cooling effect is greatly improved; in the demolding process, the jacking hydraulic cylinder is directly adopted to drive the ejection column to eject the molded workpiece out of the lower mold cavity, so that the structure is simple, and the maintenance cost is low.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

reference numerals: 1. a bottom box; 2. a cooling water tank; 21. a liquid inlet pipe; 22. a liquid pump; 23. a liquid outlet pipe; 24. a liquid separating box; 25. a cooling tube; 26. a liquid collecting box; 27. a return pipe; 28. a water chiller; 29. a catheter; 3. a column; 31. a top base; 32. a hydraulic cylinder; 33. a mounting plate; 34. an upper die; 341. an upper die cavity; 342. a guide hole; 4. a chassis; 41. a lower die; 411. a lower die cavity; 412. a guide rod; 413. perforating; 414. an injection molding port; 5. jacking a hydraulic cylinder; 51. a connecting plate; 52. defining a column; 53. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The utility model will be further described with reference to the accompanying drawings and examples:

as shown in fig. 1, a quick cooling demolding device for injection molding production comprises a bottom box 1, wherein a stand column 3 and a machine case 4 are arranged on the bottom box 1, a top seat 31 is arranged at the top end of the stand column 3, a hydraulic cylinder 32 is arranged on the top seat 31, the hydraulic cylinder 32 is connected with an upper mold 34, the upper mold 34 is matched with a lower mold 41 arranged on the machine case 4 to realize injection molding of a workpiece, an upper mold cavity 341 and a guide hole 342 are specifically arranged on the upper mold 34, and a lower mold cavity 411 matched with the upper mold cavity 341, a guide rod 412 for inserting the guide hole 342 and an injection molding opening 414 for introducing raw materials are arranged on the lower mold 41; a cooling mechanism for cooling the workpiece during forming is arranged in the bottom box 1 and is connected with the lower die 41 to realize circulation of cooling water in the lower die 41; the machine case 4 is internally provided with a demoulding mechanism, the demoulding mechanism comprises an ejection column, a perforation 413 matched with the fixed column 52 is arranged in the lower mould 41, the fixed column 52 is in sliding fit in the perforation 413, and the top end of the fixed column 52 is flush with the bottom of the lower mould cavity 411 when not working.

Specifically, the cooling mechanism includes cooling water tank 2, feed liquor pipe 21, liquid pump 22, drain pipe 23, divide liquid box 24, cooling tube 25, liquid collecting box 26, cooling water set 28 and catheter 29, cooling water tank 2 is used for splendid attire cold water and the exit end of cooling water tank 2 is connected with liquid pump 22 through feed liquor pipe 21, the exit end of liquid pump 22 passes through drain pipe 23 and divides liquid box 24 to be connected with on lower mould 41, divide liquid box 24 to be provided with many cooling tubes 25, cooling tube 25 sets up in lower mould 41 and the one end of many cooling tubes 25 is connected with liquid collecting box 26 jointly, liquid collecting box 26 is connected with cooling water set 28 that sets up in base box 1 through back flow 27 in order to realize cooling down to the water body that flows in liquid collecting box 26, the exit end of cooling water set 28 links to each other with cooling water tank 2 through catheter 29 in order to realize that the water is cooled back is reintroduced into cooling water tank 2 and is used repeatedly.

In the above scheme, the liquid pump 22 pumps the water in the cooling water tank 2 into the liquid separating box 24, the liquid separating box 24 guides the water in the liquid separating box into the plurality of cooling pipes 25, the cooling pipes 25 cool the whole lower die 41, the temperature of the water in the cooling pipes 25 can be gradually increased in the cooling process, and the water with the increased temperature is led into the cooling water tank 2 again for recycling after being cooled by the cooling unit.

Specifically, demoulding mechanism still includes jacking pneumatic cylinder 5 and link plate 51, is equipped with jacking pneumatic cylinder 5 in the machine case 4, and jacking pneumatic cylinder 5 is connected with link plate 51, is provided with the column 52 of deciding on the link plate 51 perpendicularly, and the column of deciding passes machine case 4 top and stretches into in perforation 413, and wherein, the quantity of column 52 of deciding is three, and the column 52 of deciding of three is the triangle setting in order to improve the ejecting effect of work piece for the work piece bottom atress is balanced in the ejecting process.

In the above scheme, after the cooling of the workpiece is completed, the upper die 34 is separated from the lower die 41, at this time, the demolding mechanism starts to operate, the lifting hydraulic cylinder 5 drives the connecting plate 51 to lift, along with the lifting of the connecting plate 51, the top ejection perforation 413 of the post 52 is defined, the molded workpiece is simultaneously ejected out of the lower die cavity 411 in three directions, after the ejection work is completed, the lifting hydraulic cylinder 5 drives the ejection post to retract, the post 52 is defined to recover the initial state, and the top of the post is in the same level with the bottom of the lower die cavity 411 again.

Of course, in order to avoid damage to the chassis 4 or the connecting plate 51 caused by too high ejection speed of the ejection hydraulic cylinder 32 in the ejection process, as shown in fig. 2, the spring 53 is sleeved outside the ejection column, the spring 53 is located between the chassis 4 and the connecting plate 51, and in other schemes, the spring 53 can also be replaced by a rubber block.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a quick cooling shedder for injection molding production, a serial communication port, including base box (1), be equipped with stand (3) and quick-witted case (4) on base box (1), stand (3) top is equipped with footstock (31), install pneumatic cylinder (32) on footstock (31), pneumatic cylinder (32) are connected with mould (34), go up mould (34) and set up lower mould (41) on quick-witted case (4) and cooperate, be equipped with on last mould (34) die cavity (341), be equipped with on lower mould (41) with last die cavity (341) matched with lower die cavity (411) and injection molding mouth (414), be equipped with cooling body in base box (1) and be connected with lower mould (41), be equipped with demoulding body in machine case (4), demoulding body is equipped with perforation (413) with deciding post (52) looks adaptation in lower mould (41), decide post (52) sliding fit in perforation (413).

2. The rapid cooling demolding device for injection molding production according to claim 1, wherein the upper mold (34) is further provided with a guide hole (342), and the lower mold (41) is provided with a guide rod (412) matched with the guide hole (342).

3. The rapid cooling demolding device for injection molding production according to claim 1, wherein the cooling mechanism comprises a cooling water tank (2), a liquid inlet component, a liquid separating box (24), a cooling pipe (25), a liquid collecting box (26), a water chilling unit (28) and a liquid guide pipe (29), the cooling water tank (2) is connected with the liquid separating box (24) arranged on a lower mold (41) through the liquid inlet component, a plurality of cooling pipes (25) are arranged on the liquid separating box (24), the cooling pipe (25) is arranged in the lower mold (41), one ends of the plurality of cooling pipes (25) are commonly connected with the liquid collecting box (26), the liquid collecting box (26) is connected with the water chilling unit (28) arranged in the bottom case (1) through a backflow pipe (27), and the outlet end of the water chilling unit (28) is connected with the cooling water tank (2) through the liquid guide pipe (29).

4. A rapid cooling and demolding device for injection molding production according to claim 3, characterized in that the liquid inlet assembly comprises a liquid inlet pipe (21), a liquid pump (22) and a liquid outlet pipe (23), wherein the liquid pump (22) is connected with the liquid inlet pipe (21) and the liquid outlet pipe (23), the liquid inlet pipe (21) is connected with the outlet end of the cooling water tank (2), and the liquid outlet pipe (23) is connected with the liquid separating box (24).

5. The quick cooling demoulding device for injection production according to claim 1, wherein the demoulding mechanism further comprises a jacking hydraulic cylinder (5) and a connecting plate (51), the jacking hydraulic cylinder (5) is arranged in the machine case (4), the jacking hydraulic cylinder (5) is connected with the connecting plate (51), a fixing column (52) is vertically arranged on the connecting plate (51), and the jacking column penetrates through the top of the machine case (4) and stretches into the perforation (413).

6. The rapid cooling demolding device for injection molding production according to claim 5, wherein the number of the defining columns (52) is three, and the three defining columns (52) are arranged in a triangular shape.

7. The rapid cooling demolding device for injection molding production according to claim 5, wherein a spring (53) is sleeved outside the ejection column, and the spring (53) is positioned between the chassis (4) and the connecting plate (51).