CN217434954U

CN217434954U - Injection mold with adjustable temperature

Info

Publication number: CN217434954U
Application number: CN202221490976.8U
Authority: CN
Inventors: 鞠明杰; 刘雪; 鞠群群; 李正; 潘玉玲
Original assignee: Qingdao Xuzheng Precision Injection Molding Co ltd
Current assignee: Qingdao Xuzheng Precision Injection Molding Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-09-16
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold with adjustable temperature, which solves the problems that the temperature of the existing injection mold is not adjustable, and the injection efficiency is low due to the slow cooling forming speed of the mold; through the cooperation design of cooling mechanism and cooling group, be convenient for realize the cooling to the mould, improved raw materials cooling shaping speed, effectual reduction injection time, and then improved production efficiency.

Description

Injection mold with adjustable temperature

Technical Field

The utility model belongs to the technical field of injection mold, specifically be an injection mold with adjustable temperature.

Background

The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structure and accurate size, the injection moulding is a processing method used when producing some parts with complex shapes in batches, in particular to a processing method used when injecting heated and melted plastics into a mould cavity under high pressure by an injection moulding machine, and a formed product is obtained after cooling and solidification, the structure of the mould is consistent although the structure of the mould can be changed greatly due to different types and properties of the plastics, the shapes and the structures of the plastic products, the types of injection machines and the like, and the mould mainly comprises a pouring system, a temperature regulating system, a formed part and a structural part, wherein the pouring system and the formed part are parts which are in direct contact with the plastics and change along with the plastics and the products, and the formed part is the most complex and the most variable in the mould and requires the highest processing finish and precision.

The temperature of the existing injection mold is not adjustable, and the cooling forming speed of the mold is low, so that the injection molding efficiency is low.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an injection mold with adjustable temperature, the effectual existing injection mold temperature of having solved among the above-mentioned background art is not adjustable, and mould cooling shaping speed is slow and cause the problem of the inefficiency of moulding plastics simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection mold with adjustable temperature, the on-line screen storage device comprises a base, the support column is installed on the top of base, the top of base is equipped with the bed die that is located support column one side, the bayonet socket has been seted up on the top of bed die, the top of bed die is equipped with the mould, the bottom of going up the mould is equipped with the snap ring with bayonet socket looks adaptation, the mouth of moulding plastics has been seted up on top one side of going up the mould, go up and be connected through height adjusting mechanism between mould and the support column, the holding tank has been seted up to the inside of bed die, the inside of holding tank is equipped with heating device, temperature sensor is installed to the inner wall of holding tank, be equipped with the cooling group on the last mould, one side that the support column is close to the bed die is equipped with cooling mechanism.

Preferably, the height adjusting mechanism comprises a first motor, a screw rod, an internal thread sliding rod and a connecting column, the first motor is arranged at the top end of the base and is arranged inside the supporting column, an output shaft of the first motor is connected with the screw rod, one side, close to the upper die, of the supporting column is provided with a sliding opening, the screw rod is in threaded connection with the internal thread sliding rod in sliding connection with the sliding opening, and the bottom end of the internal thread sliding rod is fixedly connected with the upper die through the connecting column.

Preferably, a cooling cavity is formed in the upper die.

Preferably, the cooling unit comprises a cold water pipe, two water collecting pipes and two suction pumps, the cold water pipe is installed in the cooling cavity at equal intervals, the water collecting pipes connected with the two ends of the cold water pipe are symmetrically arranged on the two sides of the upper die, and the suction pumps are connected to one sides of the water collecting pipes.

Preferably, the cooling mechanism includes axis of rotation one, axis of rotation two, bevel gear one, flabellum, driver and transmission group, and one side bottom of support column is rotated and is connected with axis of rotation one, and the top of axis of rotation one is equipped with the axis of rotation two that is located mould one side, all overlaps in axis of rotation two and the axis of rotation one to be equipped with bevel gear one and flabellum, and the flabellum is located one side of bevel gear one, connects through transmission group between two adjacent bevel gear one, and axis of rotation two is connected with the driver.

Preferably, the driver includes motor two, belt pulley, links up belt and support frame, and motor two is installed to the bottom of internal thread slide bar, all is connected with the belt pulley on motor two output shafts and the second axis of rotation, connects through linking up the belt between two belt pulleys, and the bottom of motor two is equipped with the support frame of being connected with axis of rotation two.

Preferably, transmission group includes driving cylinder, transmission shaft, bevel gear two and base, and the base is installed to one side of support column, rotates on the base and is connected with the driving cylinder, and the inside interlude of driving cylinder has the transmission shaft of slip joint, and the transmission shaft is connected with the support frame, and the top of transmission shaft and the bottom of driving cylinder all are equipped with bevel gear two of being connected with a bevel gear meshing.

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

(1) in the work, the lower die and the upper die are conveniently and tightly connected through the base, the supporting columns, the lower die, the bayonet, the upper die, the clamping ring, the injection molding port and the height adjusting mechanism, the temperature of the die is conveniently adjusted to a proper temperature through the matching effect of the heating device and the temperature sensor, and further convenience is provided for the injection molding of raw materials; through the cooperation design of cooling mechanism and cooling group, be convenient for realize the cooling to the mould, improved raw materials cooling shaping speed, effectual reduction injection time, and then improved production efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

FIG. 4 is a schematic view of the transmission set of the present invention in a partial cross-sectional view;

in the figure: 1. a base; 2. a support column; 3. a lower die; 4. a bayonet; 5. an upper die; 6. a snap ring; 7. injection molding a port; 8. accommodating grooves; 9. a heating device; 10. a temperature sensor; 11. a cooling chamber; 12. a cold water pipe; 13. a water collection pipe; 14. a suction pump; 15. a first motor; 16. a screw rod; 17. an internal thread sliding rod; 18. a sliding port; 19. connecting columns; 20. rotating a first shaft; 21. a second rotating shaft; 22. a first conical gear; 23. a fan blade; 24. a second motor; 25. a belt pulley; 26. connecting the belts; 27. a transmission cylinder; 28. a drive shaft; 29. a second bevel gear; 30. a support frame.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 4, the present invention comprises a base 1, a supporting pillar 2 is installed on the top end of the base 1, a lower mold 3 located on one side of the supporting pillar 2 is installed on the top end of the base 1, a bayonet 4 is opened on the top end of the lower mold 3, an upper mold 5 is installed above the lower mold 3, a snap ring 6 adapted to the bayonet 4 is installed on the bottom end of the upper mold 5, an injection opening 7 is opened on one side of the top end of the upper mold 5, the upper mold 5 is connected to the supporting pillar 2 through a height adjusting mechanism, an accommodating tank 8 is opened inside the lower mold 3, a heating device 9 is installed inside the accommodating tank 8, a temperature sensor 10 is installed on the inner wall of the accommodating tank 8, the heating device 9 and the temperature sensor 10 are respectively electrically connected to an external controller and a switch, the lower mold 3 is conveniently heated by the action of the temperature sensor 10 and the heating device 9, so as to conveniently adjust the temperature of the lower mold 3 to a proper temperature, realize mould temperature adjustable function, and then for the raw materials facilitates of moulding plastics, go up to be equipped with the cooling group on the mould 5, one side that support column 2 is close to bed die 3 is equipped with cooling mechanism, through the design of cooling mechanism and cooling group, is convenient for realize the cooling to bed die 3 and last mould 5, and then has improved the cooling efficiency of shaping article, and then facilitates for the drawing of patterns of shaping article.

In the second embodiment, on the basis of the first embodiment, as shown in fig. 1 to 3, the height adjusting mechanism includes a first motor 15, a screw rod 16, an internal thread sliding rod 17 and a connecting column 19, the first motor 15 located at the top end of the base 1 is installed inside the supporting column 2, an output shaft of the first motor 15 is connected with the screw rod 16, a sliding opening 18 is formed in one side, close to the upper die 5, of the supporting column 2, the screw rod 16 is in threaded connection with the internal thread sliding rod 17 in sliding connection with the sliding opening 18, and the bottom end of the internal thread sliding rod 17 is fixedly connected with the upper die 5 through the connecting column 19;

when the raw materials need to be injected, the first motor 15 is started to rotate positively, the first motor 15 drives the screw rod 16 to rotate, the internal thread slide rod 17 can slide on the sliding opening 18 through the threaded connection relation between the screw rod 16 and the internal thread slide rod 17 and the sliding connection relation between the internal thread slide rod 17 and the sliding opening 18, the internal thread slide rod 17 drives the connecting column 19 to move downwards, the connecting column 19 drives the upper die 5 to move downwards, the upper die 5 drives the snap ring 6 to extend into the bayonet 4, the upper die 5 is connected with the lower die 3 in a sealing mode, the raw materials can be conveniently injected into the lower die 3 and the upper die 5 through the injection opening 7, the possibility is provided for injection molding of the raw materials, and meanwhile, after the molded products are cooled and molded, the first motor 15 is started to rotate reversely, the upper die 5 is disconnected from the lower die 3, and convenience is further provided for demolding operation of the molded products.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 1, a cooling cavity 11 is formed in the upper mold 5, the cooling group includes a cold water pipe 12, two water collecting pipes 13 and two suction pumps 14, the cold water pipes 12 are equidistantly installed in the cooling cavity 11, the water collecting pipes 13 connected with two ends of the cold water pipe 12 are symmetrically arranged on two sides of the upper mold 5, and one side of each water collecting pipe 13 is connected with a suction pump 14;

when cooling the injection molding product, make one of them suction pump 14 and external water piping connection, start one of them suction pump 14 after that, make suction pump 14 with cold water suction to the water pipe in, and then in leading-in cold water pipe 12 in the cooling chamber 11, and then realize that cold water in cold water pipe 12 absorbs the inside heat of mould 5, and then realize the cooling to the shaping product, the effectual cooling for the shaping product has accelerated the speed.

Fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 3, the cooling mechanism includes a first rotating shaft 20, a second rotating shaft 21, a first conical gear 22, fan blades 23, a driver and a transmission set, the first rotating shaft 20 is rotatably connected to the bottom of one side of the supporting column 2, the second rotating shaft 21 located on one side of the upper mold 5 is arranged above the first rotating shaft 20, the first conical gear 22 and the fan blades 23 are respectively sleeved on the second rotating shaft 21 and the first rotating shaft 20, the fan blades 23 are located on one side of the first conical gear 22, two adjacent first conical gears 22 are connected through the transmission set, the second rotating shaft 21 is connected with the driver, the driver includes a second motor 24, a belt pulley 25, a connecting belt 26 and a supporting frame 30, the second motor 24 is installed at the bottom end of the internal thread sliding rod 17, belt pulleys 25 are respectively connected to output shafts of the second motor 24 and the second rotating shaft 21, the two belt pulleys 25 are connected through the connecting belt 26, the bottom end of the second motor 24 is provided with a support frame 30 connected with the second rotating shaft 21, the transmission set comprises a transmission cylinder 27, a transmission shaft 28, a second bevel gear 29 and a base, it is noted that sliding grooves are formed in two sides of the transmission cylinder 27, sliding blocks connected with the sliding grooves in a sliding mode are arranged on two sides of the bottom end of the transmission shaft 28, the base is mounted on one side of the support column 2, the transmission cylinder 27 is connected to the base in a rotating mode, the transmission shaft 28 in sliding clamping connection is inserted into the transmission cylinder 27 in a penetrating mode, the transmission shaft 28 is connected with the support frame 30, it is noted that the support frame 30 is connected with the second rotating shaft 21 and the transmission shaft 28 through bearings respectively, and the top end of the transmission shaft 28 and the bottom end of the transmission cylinder 27 are both provided with the second bevel gear 29 connected with the first bevel gear 22 in a meshing mode;

when the internal thread slide bar 17 moves downwards, the second rotating shaft 21, the first conical gear 22, the second motor 24, the belt pulley 25 and the connecting belt 26 are driven to synchronously move downwards with the upper die 5, the transmission shaft 28 can slide downwards in the transmission cylinder 27, then the second motor 24 is started, the second motor 24 drives one belt pulley 25 to rotate, the other belt pulley 25 can rotate through the connection relation of the connecting belt 26, the belt pulley 25 can drive the second rotating shaft 21 to rotate, the second rotating shaft 21 drives one conical gear 22 to rotate, the second conical gear 29 can rotate through the meshing connection relation of the first conical gear 22 and the second conical gear 29, the second conical gear 29 drives the transmission shaft 28 to rotate, the transmission shaft 28 can drive the transmission cylinder 27 to rotate through the sliding clamping relation of the transmission shaft 28 and the transmission cylinder 27, and the transmission cylinder 27 drives the other conical gear 29 to rotate, and then another bevel gear 22 can rotate, so that the first rotating shaft 20 rotates, the first rotating shaft 20 and the second rotating shaft 21 can drive the fan blades 23 to rotate, the fan blades 23 blow air to the upper die 5 and the lower die 3, the lower die 3 and the upper die 5 are cooled, and the efficiency is accelerated for cooling the formed product.

The working principle is as follows: when the injection molding of the raw material is needed, the motor I15 is started to rotate forward, the motor I15 drives the screw rod 16 to rotate, the screw rod 16 and the internal thread slide rod 17 are in threaded connection and are matched with the sliding connection of the internal thread slide rod 17 and the sliding opening 18, the internal thread slide rod 17 can slide on the sliding opening 18, the internal thread slide rod 17 drives the connecting post 19 to move downwards, the connecting post 19 drives the upper die 5 to move downwards, the upper die 5 drives the snap ring 6 to extend into the bayonet 4, meanwhile, the internal thread slide rod 17 moves downwards to drive the rotating shaft II 21, the conical gear I22, the motor II 24, the belt pulley 25 and the connecting belt 26 to synchronously move downwards along with the upper die 5, the transmission shaft 28 slides downwards in the transmission cylinder 27, the sealed connection of the upper die 5 and the lower die 3 is realized, the heating device 9 is started, and the temperature is detected by the temperature sensor 10, the temperature inside the lower die 3 can be conveniently adjusted to a proper temperature, then the raw material is injected into the lower die 3 and the upper die 5 through the injection port 7, possibility is provided for injection molding of the raw material, after the injection molding of the raw material is completed, one of the suction pumps 14 is connected with an external water pipe, then one of the suction pumps 14 is started, the suction pump 14 pumps cold water into the water pipe, the cold water is further led into the cold water pipe 12 in the cooling cavity 11, the cold water in the cold water pipe 12 absorbs heat inside the upper die 5, the temperature of a formed product is reduced, the speed of cooling of the formed product is effectively increased, then the motor II 24 is started, the motor II 24 drives one of the belt pulleys 25 to rotate, the other belt pulley 25 can rotate through the connection relation of the connecting belt 26, the belt pulley 25 can drive the rotating shaft II 21 to rotate, the rotating shaft II 21 drives one of the conical gears 22 to rotate, through the meshing connection relation of conical gear 22 and two 29 of conical gear, can make two 29 rotations of conical gear, two 29 drive transmission shaft 28 rotations of conical gear, through the slip joint relation of transmission shaft 28 and transmission section of thick bamboo 27, can make transmission shaft 28 drive transmission section of thick bamboo 27 and rotate, transmission section of thick bamboo 27 drives two 29 rotations of another conical gear, and then can make one 22 rotations of another conical gear, and then make one 20 rotations of axis of rotation, axis of rotation 20 and two 21 rotations can drive flabellum 23 and rotate, make flabellum 23 blow to mould 5 and bed die 3, and then realize the cooling to bed die 3 and mould 5, and then accelerated efficiency for the cooling of shaping article, behind the shaping article cooling shaping, then one 15 reversals of starter motor, make upper die 5 and bed die 3 break away from the connection, and then make the later stage carry out the drawing of patterns to the shaping article and operate.

Claims

1. The utility model provides an injection mold with adjustable temperature, includes base (1), its characterized in that: support column (2) are installed on the top of base (1), the top of base (1) is equipped with bed die (3) that are located support column (2) one side, bayonet socket (4) have been seted up on the top of bed die (3), the top of bed die (3) is equipped with mould (5), the bottom of going up mould (5) is equipped with snap ring (6) with bayonet socket (4) looks adaptation, mould plastics mouth (7) have been seted up on top one side of going up mould (5), it is connected through high adjustment mechanism to go up between mould (5) and support column (2), holding tank (8) have been seted up to the inside of bed die (3), the inside of holding tank (8) is equipped with heating device (9), temperature sensor (10) are installed to the inner wall of holding tank (8), be equipped with the cooling unit on going up mould (5), one side that support column (2) are close to bed die (3) is equipped with cooling mechanism.

2. A temperature adjustable injection mold as claimed in claim 1, wherein: the height adjusting mechanism comprises a motor I (15), a screw rod (16), an internal thread sliding rod (17) and a connecting column (19), the motor I (15) which is located at the top end of the base (1) is installed inside the supporting column (2), the screw rod (16) is connected to an output shaft of the motor I (15), a sliding opening (18) is formed in one side, close to the upper die (5), of the supporting column (2), the internal thread sliding rod (17) which is connected with the sliding opening (18) in a sliding mode is connected to the screw rod (16) in a threaded mode, and the bottom end of the internal thread sliding rod (17) is fixedly connected with the upper die (5) through the connecting column (19).

3. A temperature adjustable injection mold as claimed in claim 1, wherein: and a cooling cavity (11) is formed in the upper die (5).

4. A temperature adjustable injection mold as claimed in claim 1, wherein: the cooling unit comprises a cold water pipe (12), two water collecting pipes (13) and two suction pumps (14), the cold water pipes (12) are installed in the cooling cavity (11) at equal intervals, the water collecting pipes (13) connected with the two ends of the cold water pipe (12) are symmetrically arranged on the two sides of the upper die (5), and the suction pumps (14) are connected to one sides of the water collecting pipes (13).

5. A temperature adjustable injection mold as claimed in claim 1, wherein: cooling mechanism includes axis of rotation one (20), axis of rotation two (21), bevel gear one (22), flabellum (23), driver and transmission group, one side bottom of support column (2) is rotated and is connected with axis of rotation one (20), the top of axis of rotation one (20) is equipped with two (21) of axis of rotation that are located mould (5) one side, all overlap on axis of rotation two (21) and axis of rotation one (20) and be equipped with bevel gear one (22) and flabellum (23), flabellum (23) are located one side of bevel gear one (22), through transmission group link between two adjacent bevel gear one (22), axis of rotation two (21) are connected with the driver.

6. A temperature adjustable injection mold according to claim 5, wherein: the driver comprises a second motor (24), a belt pulley (25), a connecting belt (26) and a support frame (30), the second motor (24) is installed at the bottom end of the internal thread sliding rod (17), the belt pulley (25) is connected to the output shaft of the second motor (24) and the second rotating shaft (21), the two belt pulleys (25) are connected through the connecting belt (26), and the support frame (30) connected with the second rotating shaft (21) is arranged at the bottom end of the second motor (24).

7. A temperature adjustable injection mold according to claim 5, wherein: the transmission group includes transmission cylinder (27), transmission shaft (28), two (29) of bevel gear and base, and the base is installed to one side of support column (2), rotates on the base and is connected with transmission cylinder (27), and transmission shaft (28) that the inside interlude of transmission cylinder (27) has the slip joint, and transmission shaft (28) are connected with support frame (30), and the top of transmission shaft (28) and the bottom of transmission cylinder (27) all are equipped with two (29) of bevel gear that are connected with bevel gear (22) meshing.