CN216760494U

CN216760494U - Plastic mold cooling device with high mold opening efficiency

Info

Publication number: CN216760494U
Application number: CN202220236357.XU
Authority: CN
Inventors: 冯志刚
Original assignee: Qingdao Zhongyueda Precision Industry Co ltd
Current assignee: Qingdao Zhongyueda Precision Industry Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-17
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a plastic mold cooling device with high mold opening efficiency, which comprises a support frame, an upper mold and a lower mold, wherein the upper mold and the lower mold are arranged in the support frame, grooves are formed in the inner walls of the two sides of the support frame, threaded rods are rotatably arranged in the grooves, a transmission cavity matched with the two threaded rods is formed in the support frame, the two threaded rods are connected through a transmission mechanism, and a driving mechanism matched with one of the threaded rods is arranged on the upper end surface of the support frame. According to the utility model, by arranging the threaded rod, the driving motor, the transmission mechanism, the sealing plug, the vertical rod, the elastic mechanism and the extrusion mechanism, the die opening and closing and the cooling operation of the device are in a linkage design, and a power device does not need to be additionally arranged for the circulation of cooling liquid, so that the whole device can be simplified, the arrangement amount of the power device is reduced, the whole construction cost of the device is reduced, and the maintenance of the power device is avoided.

Description

Plastic mold cooling device with high mold opening efficiency

Technical Field

The utility model relates to the technical field of molds, in particular to a plastic mold cooling device with high mold opening efficiency.

Background

The mould is various moulds and tools for obtaining required products by injection moulding, blow moulding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, and the appearance of the products is mainly changed by changing the physical state of the formed materials.

When the mold is used for processing materials, mold opening and mold closing are the most frequent operation procedures, the efficiency of mold opening and the cooling efficiency of articles directly influence the overall processing efficiency, in the prior art, mold opening is often completed by mechanical lifting, cooling is realized by means of cooling liquid circulating heat exchange, the two procedures are independent, the circulation of cooling liquid is realized by means of circulating equipment, certain relation is not provided between the two procedures, the whole device needs higher power consumption in the actual use process, the economic and environmental protection sought by the current society are not facilitated, and therefore the plastic mold cooling device with high mold opening efficiency needs to be redesigned aiming at the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a plastic mold cooling device with high mold opening efficiency.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a plastic mold cooling device with high mold opening efficiency comprises a support frame, an upper mold and a lower mold which are arranged in the support frame, grooves are arranged on the inner walls of two sides of the support frame, threaded rods are arranged in the grooves in a rotating mode, a transmission cavity matched with the two threaded rods is arranged in the support frame, the two threaded rods are connected through a transmission mechanism, a driving mechanism matched with one of the threaded rods is arranged on the upper end face of the support frame, a cooling box and a compression box which are matched with the lower mold are respectively arranged on two side walls of the support frame, the cooling box is connected with the compression box through a heat exchange tube, a cooling cavity matched with the heat exchange tube is arranged in the lower mold, a sealing plug is arranged in the compression box in a sealing and sliding mode, a vertical rod is fixed on the upper end face of the sealing plug, the end of the vertical rod extends to the upper side of the compression box, and the vertical rod is connected with the compression box through an elastic mechanism, one of the threaded rods is provided with an extrusion mechanism corresponding to the vertical rod.

Preferably, the transmission mechanism comprises a transmission belt pulley fixed on the outer walls of the two threaded rods, and the two transmission belt pulleys are connected through a transmission belt.

Preferably, the driving mechanism comprises a driving motor arranged on the upper end surface of the support frame, and an output shaft of the driving motor extends into the transmission cavity and is fixedly connected with the end part of one of the threaded rods.

Preferably, the elastic mechanism comprises a limiting disc fixed at the tail end of the vertical rod, a return spring is elastically connected between the bottom wall of the limiting disc and the upper end face of the compression box, and the return spring is sleeved outside the vertical rod.

Preferably, extrusion mechanism is including setting up the stripper bar in spacing dish top, threaded rod outer wall thread bush is equipped with the nut, stripper bar tip and nut outer wall fixed connection, the support frame lateral wall be equipped with stripper bar complex bar opening.

Preferably, cooling liquid is arranged in the compression box, and the part of the heat exchange tube, which is positioned in the cooling cavity, is spiral.

The utility model has the beneficial effects that:

1. through setting up threaded rod, driving motor, drive mechanism, sealing plug, montant, elastic mechanism and extrusion mechanism, the die sinking compound die and the cooling operation of the device are the linked design, need not to additionally set up power device again for the circulation of coolant liquid, can simplify the device wholly, reduce power device's the volume of setting, reduce the whole construction cost of device and avoided the maintenance to power device.

2. Through setting up cooler bin, compression case, heat exchange tube and cooling chamber, the device is middle and upper coolant liquid relies on compression case and cooler bin to realize storage and cooling, and the coolant liquid relies on the heat exchange tube to realize the circulation, and device overall structure is simple, possesses higher practicality.

Drawings

FIG. 1 is a schematic view of an overall structure of a plastic mold cooling apparatus with high mold opening efficiency according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a plastic mold cooling apparatus with high mold opening efficiency according to the present invention.

In the figure: the heat exchange tube comprises a support frame 1, a groove 2, a threaded rod 3, a driving motor 4, a cooling box 5, a compression box 6, a transmission cavity 7, a transmission belt pulley 8, a transmission belt 9, a nut 10, an extrusion rod 11, a vertical rod 12, a return spring 13 and a heat exchange tube 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a plastic mold cooling device with high mold opening efficiency comprises a support frame 1, and an upper mold and a lower mold which are arranged in the support frame 1, grooves 2 are arranged on inner walls of two sides of the support frame 1, threaded rods 3 are arranged in the grooves 2 in a rotating manner, a transmission cavity 7 matched with the two threaded rods 3 is arranged in the support frame 1, the two threaded rods 3 are connected through a transmission mechanism, the transmission mechanism comprises a transmission belt pulley 8 fixed on the outer wall of the two threaded rods 3, the two transmission belt pulleys 8 are connected through a transmission belt 9, a driving motor 4 can directly drive one of the threaded rods 3 to rotate when rotating, and when rotating one of the threaded rods 3, the other threaded rod 3 can be driven to rotate through the transmission belt pulley 8 and the transmission belt 9.

The upper end face of the support frame 1 is provided with a driving mechanism matched with one of the threaded rods 3, the driving mechanism comprises a driving motor 4 arranged on the upper end face of the support frame 1, an output shaft of the driving motor 4 extends into the transmission cavity 7 and is fixedly connected with the end part of one of the threaded rods 3, the driving motor 4 is power equipment for opening and closing a mold, and the driving motor can drive the other threaded rod 3 to rotate through one of the threaded rods 3.

1 both sides wall of support frame is equipped with respectively with lower mould complex cooler bin 5 and compression case 6, be connected through heat exchange tube 14 between cooler bin 5 and the compression case 6, be equipped with in the lower mould with heat exchange tube 14 complex cooling chamber, the sealed slip is equipped with the sealing plug in the compression case 6, the sealing plug up end is fixed with montant 12, montant 12 tip extends to compression case 6 top, montant 12 passes through elastic mechanism and is connected with compression case 6, elastic mechanism is including fixing the spacing dish at montant 12 end, elastic connection has reset spring 13 between spacing dish diapire and the compression case 6 up end, reset spring 13 cover is established at montant 12 outsidely, when the mould sealing plug, extrusion stem 11 can drive through one of them threaded rod 3 and nut 10 and rise, can be driven under reset spring 13's effect and realize reseing this moment.

Be equipped with the extrusion mechanism who corresponds with montant 12 on one of them threaded rod 3, extrusion mechanism is including setting up the stripper bar 11 in spacing dish top, and 3 outer wall screw thread covers of threaded rod are equipped with

nut

10, 11 tip of stripper bar and 10 outer wall fixed connection of nut, and 1 lateral wall of support frame is equipped with 11 complex bar openings of stripper bar, works as mould compound die and die sinking, and one of them threaded rod 3 and nut 10 can be followed to stripper bar 11 and realize the lift operation.

Be equipped with the coolant liquid in the compression case 6, the part that heat exchange tube 14 is located the cooling intracavity is the heliciform, and the coolant liquid is the cooling down mould interior article, improves its cooling rate's key article, and the part that heat exchange tube 14 is located the cooling intracavity is the heliciform can improve its area of contact, improves heat transfer cooling efficiency.

When the die is used, the outer wall of an upper die is fixedly connected with the outer wall of a nut 10, a lower die is connected with a support frame 1, a driving motor 4 needs to be started when the die is opened, the driving motor 4 rotates to directly drive one of the threaded rods 3 to rotate, one of the threaded rods 3 can drive the other threaded rod 3 to rotate through a driving belt pulley 8 and a driving belt 9 when rotating, the two threaded rods 3 synchronously rotate to drive the upper die to ascend through the nut 10 so as to open the die, and the driving motor 4 rotates reversely to realize die closing;

when the other threaded rod 3 rotates, the nut 10 sleeved with the outer wall thread can drive the extrusion rod 11 to ascend and descend, when the mold is closed, the extrusion rod 11 descends to drive the sealing plug to descend in the compression box 6 through the limiting disc and the vertical rod 12, otherwise, when the mold is opened, the extrusion rod 11 ascends, the sealing plug is driven to reset under the action of the reset spring 13, according to the operation flow, the cooling liquid returns to the compression box 6 from the cooling box 5 through the heat exchange tube 14 when the mold is opened, the cooling liquid can cool the object in the lower mold in the backflow process, when the mold is closed, the cooling liquid in the compression box 6 is extruded to enter the cooling box 5 through the heat exchange tube 14, and when the cooling liquid is in the cooling box 5, the cooling liquid can be cooled by the cooling device in the cooling box 5 (the cooling device of the cooling liquid is the existing product in the prior art, the cooling principle is the prior art, and no description is given here), the whole cooling and die opening and closing are carried out synchronously, a power device does not need to be additionally arranged for the circulation of cooling liquid, the whole device can be simplified, the setting amount of the power device is reduced, the whole construction cost of the device is reduced, and the maintenance of the power device is avoided.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a plastic mould cooling device that die sinking is efficient, includes support frame (1) and sets up mould and lower mould in support frame (1), its characterized in that, support frame (1) both sides inner wall all is equipped with recess (2), recess (2) internal rotation is equipped with threaded rod (3), be equipped with in support frame (1) with two threaded rod (3) complex transmission chamber (7), two connect through drive mechanism between threaded rod (3), support frame (1) up end is equipped with one of them threaded rod (3) complex actuating mechanism, support frame (1) both sides wall is equipped with respectively with lower mould complex cooler bin (5) and compression case (6), be connected through heat exchange tube (14) between cooler bin (5) and compression case (6), be equipped with in the lower mould with heat exchange tube (14) complex cooling chamber, the sealing device is characterized in that a sealing plug is arranged in the compression box (6) in a sealing and sliding manner, a vertical rod (12) is fixed on the upper end face of the sealing plug, the end of the vertical rod (12) extends to the upper side of the compression box (6), the vertical rod (12) is connected with the compression box (6) through an elastic mechanism, and one threaded rod (3) is provided with an extrusion mechanism corresponding to the vertical rod (12).

2. The plastic mold cooling device with high mold opening efficiency as claimed in claim 1, wherein the transmission mechanism comprises a transmission belt pulley (8) fixed on the outer wall of the two threaded rods (3), and the two transmission belt pulleys (8) are connected through a transmission belt (9).

3. The plastic mold cooling device with high mold opening efficiency as claimed in claim 2, wherein the driving mechanism comprises a driving motor (4) arranged on the upper end surface of the support frame (1), and an output shaft of the driving motor (4) extends into the transmission cavity (7) and is fixedly connected with the end of one of the threaded rods (3).

4. The plastic mold cooling device with high mold opening efficiency as claimed in claim 3, wherein the elastic mechanism comprises a limiting disc fixed at the end of the vertical rod (12), a return spring (13) is elastically connected between the bottom wall of the limiting disc and the upper end surface of the compression box (6), and the return spring (13) is sleeved outside the vertical rod (12).

5. The plastic mold cooling device with high mold opening efficiency as claimed in claim 4, wherein the extrusion mechanism comprises an extrusion rod (11) arranged above the limiting disc, a nut (10) is sleeved on the outer wall of the threaded rod (3) in a threaded manner, the end of the extrusion rod (11) is fixedly connected with the outer wall of the nut (10), and a strip-shaped opening matched with the extrusion rod (11) is arranged on the side wall of the support frame (1).

6. The plastic mold cooling device with high mold opening efficiency as recited in claim 5, wherein the compression box (6) is filled with cooling liquid, and the part of the heat exchange tube (14) in the cooling cavity is spiral.