CN220700232U - Net twine head working of plastics forming die and net twine head working of plastics forming device - Google Patents

Abstract

The application provides a net twine head working of plastics forming die and net twine head working of plastics forming device relates to injection moulding technical field. Wherein, a net twine head working of plastics forming die includes: the upper die is suitable for being combined with the lower die and forming a die cavity between the lower die and the upper die; the guide groove is formed in the lower die, the movable die is arranged in the guide groove and can move along the guide groove, a die core matched with the die cavity is arranged on the movable die, one end of the guide rod is connected with the upper die, the other end of the guide rod is connected with the movable die, the guide rod is suitable for driving the movable die to be away from the die cavity when the upper die is away from the lower die, and driving the movable die to be close to the die cavity when the upper die is close to the lower die. The net twine head plastic part forming die can realize linkage without applying more driving devices, and is beneficial to simplifying injection molding equipment.

Description

Net twine head working of plastics forming die and net twine head working of plastics forming device

Technical Field

The application relates to the technical field of injection molding, in particular to a net twine head plastic part molding die. In addition, the utility model also relates to a net wire head plastic part forming device.

Background

Injection molding machines are molding apparatuses that melt and inject thermoplastic into plastic molding dies to make various plastic articles.

The Chinese patent with the publication number of CN210705748U discloses a processing mould of a plastic pipe socket joint device, which comprises a fixed template, a guide pillar, a sliding template, a plurality of mould cores and a plurality of hydraulic cylinders, wherein the guide pillar is arranged at one side of the fixed template, the sliding template is sleeved on the guide pillar and can move along the guide pillar, the sliding template can be spliced with the fixed template to form a cylindrical mould cavity, and each mould core is connected with the corresponding hydraulic cylinder and can be inserted into the cylindrical mould cavity. However, in order to move the mold core, the processing mold of the plastic pipe socket device needs to be provided with a plurality of hydraulic cylinders corresponding to the mold core, so that the whole injection molding equipment is complex in structure.

In view of this, it is desirable to provide a wire head plastic part forming die.

Disclosure of Invention

In order to solve the problem that injection molding equipment overall structure is complicated, this application provides a net twine head working of plastics forming die and net twine head working of plastics forming device.

The first aspect of the application provides a net twine head working of plastics forming die, adopts following technical scheme: the molding die comprises a lower die, an upper die, a movable die and a guide rod, wherein the upper die is suitable for being combined with the lower die and forming a die cavity between the upper die and the lower die; the guide groove is formed in the lower die, the movable die is arranged in the guide groove and can move along the guide groove, a die core matched with the die cavity is arranged on the movable die, one end of the guide rod is connected with the upper die, the other end of the guide rod is connected with the movable die, the guide rod is suitable for driving the movable die to be away from the die cavity when the upper die is away from the lower die, and driving the movable die to be close to the die cavity when the upper die is close to the lower die.

By adopting the technical scheme, when the upper die is close to the lower die, the guide rod can enable the movable die to be close to the lower die synchronously, so that the die core enters the die cavity and forms a required injection cavity, and injection molding operation is facilitated; when the upper die is far away from the lower die, the guide rod can enable the movable die to be synchronously far away from the lower die, so that the die core is pulled out of the die cavity to facilitate demolding operation, and the design can achieve linkage between the movable die and the upper die, so that the die core is not required to be moved by setting too many driving devices when the net twine head plastic part forming die is controlled, and the whole structure of the injection molding equipment is simple.

Specifically, the one end that keeps away from on the guide bar the last mould is kept away from along the length direction of guide slot the die cavity gradually, be equipped with on the movable mould with the guide through-hole of guide bar matching.

Through adopting above-mentioned technical scheme, when last mould is close to the bed die, the guide bar can insert gradually in the direction through-hole and apply the power that is close to the bed die to the movable mould to make the movable mould be close to the bed die along the guide way and with the bed die butt, thereby make the mold core get into the die cavity, when last mould is kept away from the bed die, the guide bar can extract gradually from the direction through-hole and apply the power of keeping away from the bed die to the movable mould, so that the movable mould is kept away from the bed die along the guide way, thereby make the mold core leave from the die cavity.

Specifically, a movable mold abutting surface is formed on the movable mold, a mold cavity notch matched with the mold core is formed in the mold cavity, and when the mold core enters the mold cavity, the movable mold abutting surface can abut against one side, provided with the mold cavity notch, of the lower mold and the upper mold.

Through adopting above-mentioned technical scheme, the movable mould butt face can be with the die cavity breach closure to the condition that the molten plastic in the messenger die cavity is difficult for spilling from die cavity breach and leads to appearing the overlap on the product.

Specifically, a plurality of lower die grooves and lower feed tank have been seted up to the bed die, go up the mould on set up with the last die groove that the lower die groove corresponds and with the last feed tank that the lower feed tank matches, go up the die groove with correspond can form when the lower die groove amalgamation the die cavity, go up the feed tank with form into the feed pipeline when the feed tank amalgamation down, each the die cavity all with feed pipeline intercommunication, go up the feed tank and be suitable for being connected with the feed subassembly that jets out molten plastic.

Through adopting above-mentioned technical scheme, after with last mould butt on the bed die, the feed subassembly can be through feeding pipeline simultaneously to the molten plastic of injection into a plurality of die cavities to can obtain a plurality of products simultaneously, improved production efficiency.

Specifically, a plurality of positioning columns are connected to the upper die, a plurality of positioning holes matched with a plurality of positioning columns are formed in the lower die, and when the upper die is abutted to the lower die, each positioning column is inserted into the corresponding positioning hole.

Through adopting above-mentioned technical scheme, can accurate locking go up the position between mould and the bed die to can guarantee that the mould is difficult for appearing crooked when with the bed die amalgamation and lead to appearing the overlap on the product.

The second aspect of the application provides a net twine head working of plastics forming device, adopts following technical scheme: the utility model provides a net twine head working of plastics forming device, its includes base, mount pad, with lifting unit and the feed subassembly that the mount pad is connected, the bed die is located the orientation of base on the one side of mount pad, go up the mould and locate the orientation of mount pad on the one side of base, lifting unit is suitable for the drive the mount pad is close to or keeps away from the base, the feed subassembly is located on the mount pad, just the feed subassembly with go up the mould is connected and is suitable for to pour into molten plastics into in the die cavity.

Through adopting above-mentioned technical scheme, after lifting assembly drive goes up mould and bed die and supports and paste and form the die cavity, the feeding subassembly can pour into molten plastics into in the die cavity into, after the plastics cooling shaping in the die cavity, lifting assembly can drive and go up the mould and keep away from the bed die to the workman takes out the product.

Further, the feed assembly includes feeder hopper, melt unit and crowded material unit, the feeder hopper includes feed inlet and discharge gate, the discharge gate with the melt unit is connected, the melt unit with crowded material unit is connected, crowded material unit with go up the mould and be connected.

Through adopting above-mentioned technical scheme, set up the melting unit and can melt plastics, set up the crowded material part and can carry the plastics of melting in the melting unit to the die cavity in to can realize the operation of moulding plastics to net twine head working of plastics forming die.

Specifically, still include exhaust-gas treatment subassembly, exhaust-gas treatment subassembly includes gas collecting channel, aspiration pump, air duct, be equipped with air inlet and gas outlet on the gas collecting channel, the air inlet of gas collecting channel is towards net twine head working of plastics forming die, the gas outlet of gas collecting channel with the one end of air duct is connected, the aspiration pump with the air duct is connected and is suitable for the suction the gas of the air inlet department of gas collecting channel.

Through adopting above-mentioned technical scheme, waste gas that overflows from the die cavity when the cope match-plate pattern and bed die separation can be collected to exhaust-gas treatment subassembly to follow-up innocent treatment is carried out to waste gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. setting a lower die, an upper die, a movable die and a guide rod, wherein the upper die is suitable for being combined with the lower die and a die cavity is formed between the upper die and the lower die; the guide way has been seted up on the bed die, the travelling die locates in the guide way and can follow the guide way and remove, be equipped with the mold core that matches with the die cavity on the travelling die, the one end and the last mould of guide bar are connected, the other end and the travelling die of guide bar are connected, and the guide bar is suitable for driving the travelling die and keep away from the die cavity when last mould keeps away from the bed die, and drive the travelling die and be close to the die cavity when last mould is close to the bed die, the linkage between travelling die and the last mould can be realized in above-mentioned design, thereby need not to set up too much drive arrangement and remove the mold core when controlling net twine head working of plastics shaping mould, in order to make injection molding equipment overall structure simple.

2. The lifting assembly is connected with the mounting seat, the lower die is arranged on the base, the upper die is arranged on the mounting seat, the upper die and the lower die are arranged relatively, the lifting assembly is suitable for driving the mounting seat to be close to or far away from the base, the feeding assembly is arranged on the mounting seat, the feeding assembly is connected with the upper die and is suitable for injecting molten plastics into a die cavity, after the lifting assembly drives the upper die and the lower die to abut against and form the die cavity, the feeding assembly can inject the molten plastics into the die cavity, after the plastics in the die cavity are cooled and molded, the lifting assembly can drive the upper die to be far away from the lower die, so that a worker can take out products.

Drawings

Fig. 1 is a perspective view of a molding die for a net head plastic part and a molding device for a net head plastic part of the present application.

Fig. 2 is a rear view of a molding die for a wire head plastic part and a molding device for a wire head plastic part of the present application.

Fig. 3 is a schematic cross-sectional view taken along the direction A-A in fig. 2.

Fig. 4 is a schematic cross-sectional view taken along the direction B-B in fig. 2.

Fig. 5 is a schematic cross-sectional view of a wire head plastic part forming die taken along the direction C-C in fig. 4.

Reference numerals: 1. a lower die; 11. a guide groove; 12. a die groove is depressed; 13. a lower feed tank; 14. positioning holes; 2. an upper die; 21. an upper die groove; 22. feeding a feeding groove; 23. positioning columns; 3. moving the mold; 31. a mold core; 32. a guide through hole; 33. moving the die abutment surface; 4. a guide rod; 5. a feed assembly; 51. a feed hopper; 52. a melt unit; 53. an extruding unit; 6. a base; 7. a mounting base; 8. a lifting assembly; 9. an exhaust treatment assembly; 91. a gas collecting hood; 92. an air extracting pump; 93. and an air duct.

Detailed Description

Fig. 1 is a perspective view of a net head plastic molding die and a net head plastic molding device of the present application, and fig. 2 is a rear view of the net head plastic molding die and the net head plastic molding device of the present application. Referring to fig. 1 and 2, a molding die for a plastic part of a wire head, comprising: a lower die 1, an upper die 2, a movable die 3 and a guide rod 4, the upper die 2 being adapted to engage with the lower die 1 and form a die cavity therebetween; fig. 3 is a schematic cross-sectional view taken along the direction A-A in fig. 2, and in combination with fig. 3, a guide groove 11 is formed on the lower mold 1, a moving mold 3 is arranged in the guide groove 11 and can move along the guide groove 11, a mold core 31 matched with a mold cavity is arranged on the moving mold 3, one end of a guide rod 4 is connected with the upper mold 2, the other end of the guide rod 4 is connected with the moving mold 3, and the guide rod 4 can drive the moving mold 3 to be close to the mold cavity when the upper mold 2 is close to the lower mold 1, so that the mold core 31 enters the mold cavity and forms a required injection cavity, thereby facilitating injection molding operation; the guide rod 4 can drive the movable die 3 to be far away from the die cavity when the upper die 2 is far away from the lower die 1 so that the die core 31 is pulled out of the die cavity to facilitate demoulding operation, and the above design can realize linkage between the movable die 3 and the upper die 2, so that the die core 31 is not required to be moved by setting too many driving devices when the net twine head plastic part forming die is controlled, so that the whole structure of the injection molding equipment is simple.

Fig. 4 is a schematic cross-sectional view taken along the direction B-B in fig. 2, and fig. 5 is a schematic cross-sectional view of a wire head plastic part forming die taken along the direction C-C in fig. 4. Specifically, referring to fig. 4 and 5, the end of the guide rod 4 away from the upper die 2 is gradually away from the die cavity along the length direction of the guide groove 11, and the moving die 3 is provided with a guide through hole 32 matched with the guide rod 4. It will be appreciated that when the upper die 2 approaches the lower die 1, the guide rod 4 will gradually insert into the guide through hole 32, the guide rod 4 will apply a force to the moving die 3 approaching the lower die 1, so that the moving die 3 approaches the lower die 1 along the guide groove 11 and abuts against the lower die 1, thereby allowing the die core 31 to enter the die cavity, and when the upper die 2 is far from the lower die 1, the guide rod 4 will gradually pull out from the guide through hole 32 and apply a force to the moving die 3 away from the lower die 1, so that the moving die 3 is far from the lower die 1 along the guide groove 11, thereby allowing the die core 31 to leave from the die cavity.

Referring to fig. 3 and 5, the moving mold 3 is formed with a moving mold abutment surface 33, the mold cavity is formed with a mold cavity gap matched with the mold core 31, and when the mold core 31 enters the mold cavity, the moving mold abutment surface 33 can abut against one side of the lower mold 1 and the upper mold 2, on which the mold cavity gap is formed, so that the mold cavity gap can be closed, and molten plastic in the mold cavity is not easy to leak from the mold cavity gap, so that flash occurs on a product.

Specifically, referring to fig. 3 and 4, the moving mold 3 may be arranged in two left and right, and is symmetrically arranged with the central axis of the lower mold 1 as a symmetry axis, each moving mold 3 is provided with a plurality of mold cores 31, the upper mold 2 is provided with a guide rod 4 corresponding to the moving mold 3, the lower mold 1 is provided with a guide groove 11 matched with the moving mold 3, the lower mold 1 is symmetrically arranged with the central axis of the lower mold 1 as a symmetry axis in two left and right rows of lower mold grooves 12, and the upper mold 2 is provided with two rows of upper mold grooves 21 corresponding to the lower mold grooves 12, so that when the lower mold grooves 12 are spliced with the upper mold grooves 21, two left and right rows of mold cavities are formed; the lower feed chute 13 comprises a main lower feed chute and a plurality of lower feed chutes, the main lower feed chute is arranged on the lower die 1 along the central axis of the lower die 1, the lower die 1 is provided with a plurality of lower feed chutes communicated with the main lower feed chute, and each lower feed chute is communicated with the corresponding lower die chute 12; the upper feed chute 22 comprises a main upper feed chute and a plurality of sub upper feed chutes, wherein the main upper feed chute matched with the main lower feed chute and the sub upper feed chute matched with the sub lower feed chute are arranged on the upper die 2, and the main upper feed chute is suitable for being connected with a feed assembly 5 for injecting molten plastics, so that a main feed pipeline is formed when the main upper feed chute is spliced with the main lower feed chute, and a sub upper feed pipeline is formed when the sub upper feed chute is spliced with the corresponding sub lower feed chute.

According to the design, when the upper die 2 is close to the lower die 1, the guide rods 4 can drive the movable dies 3 on two sides of the lower die 1 to be close to the lower die 1 at the same time, so that the corresponding die cores 31 are inserted into the left and right rows of die cavities, and molten plastics in the main feeding pipeline can enter a plurality of die cavities through the branch feeding pipeline, so that a plurality of products can be obtained at the same time, and the production efficiency is improved; when the upper die 2 is far away from the upper die 2, the guide rods 4 can drive the movable dies 3 on two sides of the lower die 1 to be far away from the lower die 1 at the same time, so that the die cores 31 on the movable dies 3 can be separated from the corresponding die cavities, and the demolding operation is facilitated.

Referring to fig. 3 and 4, the upper mold 2 is connected with a plurality of positioning columns 23, a plurality of positioning holes 14 matched with the plurality of positioning columns 23 are formed in the upper mold 2, and when the upper mold 2 is abutted to the upper mold 2, each positioning column 23 is inserted into a corresponding positioning hole 14 so as to accurately lock the position between the upper mold 2 and the lower mold 1, thereby ensuring that the upper mold 2 is not easy to skew when being spliced with the lower mold 1, and causing flash on a product.

Referring to fig. 1 and 2, a wire head plastic part molding device includes: the lifting assembly 8 comprises a driving device (such as a hydraulic pump), a movable seat and a plurality of guide posts, wherein the bottom of each guide post is connected with the movable seat, a limit hole matched with the guide post is formed in the base 6, the top of each guide post penetrates through the corresponding limit hole and is connected with the mounting seat 7, and the driving device can drive the movable seat to drive the guide posts to move in the up-down direction; the feeding component 5 is arranged on the mounting seat 7, the feeding component 5 is connected with the upper die 2 and is suitable for injecting molten plastics into the die cavity, after the lifting component 8 drives the upper die 2 to abut against the lower die 1 to form the die cavity, the feeding component 5 can inject the molten plastics into the die cavity, and after the plastics in the die cavity are cooled and molded, the lifting component 8 can drive the upper die 2 to be far away from the lower die 1, so that a worker can take out products conveniently.

Referring to fig. 1 and 2, the feed assembly 5 includes a feed hopper 51, a melt unit 52 and an extrusion unit 53, the feed hopper 51 including a feed port and a discharge port, the melt unit 52 including a melting barrel having a hollow interior and a heating member connected to the melting barrel, the discharge port of the feed hopper 51 opening into the interior of the melting barrel, the heating member (e.g., an electric jacket) capable of raising the temperature within the melting barrel to melt the plastic; the extruding unit 53 includes a pumping device and a material guiding pipe, one end of the pumping device is connected with the melting cylinder, the other end of the pumping device is connected with one end of the material guiding pipe, and the other end of the material guiding pipe is connected with the main upper material feeding groove, so that molten plastic in the melting cylinder can be conveyed into the mold cavity through the material guiding pipe by the pumping device, and thus injection molding operation on the net twine head plastic part forming mold can be realized, wherein the pumping device is in the prior art and is not described herein again.

Referring to fig. 1 and 2, a molding device for plastic parts at the head of a net wire further comprises an exhaust gas treatment assembly 9, wherein the exhaust gas treatment assembly 9 comprises a gas collecting cover 91, an air extracting pump 92 and an air duct 93, the gas collecting cover 91 is provided with a gas inlet and a gas outlet, the gas inlet of the gas collecting cover 91 faces to a molding die for plastic parts at the head of the net wire, the gas outlet of the gas collecting cover 91 is connected with one end of the air duct 93, the air extracting pump 92 is connected with the air duct 93 and is suitable for extracting gas at the gas inlet of the gas collecting cover 91, so that the exhaust gas overflowed from a die cavity when the upper die 2 is separated from the lower die 1 can be collected, and subsequent harmless treatment is conveniently carried out on the exhaust gas.

The working principle of the net twine head plastic part forming die and the net twine head plastic part forming device in use is as follows:

providing a lower die 1, an upper die 2, a movable die 3 and a guide rod 4, wherein the upper die 2 is suitable for being combined with the lower die 1 and forming a die cavity between the two; the guide groove 11 has been seted up on the bed die 1, the travelling die 3 is located in the guide groove 11 and can follow the guide groove 11 and remove, be equipped with on the travelling die 3 with die cavity matched mold core 31, the one end and the last mould 2 of guide bar 4 are connected, the other end and the travelling die 3 of guide bar 4 are connected, and guide bar 4 is suitable for driving the travelling die 3 when last mould 2 keeps away from bed die 1 and keep away from the die cavity, and drive the travelling die 3 when last mould 2 is close to bed die 1 and be close to the die cavity, the linkage between travelling die 3 and the last mould 2 can be realized in the above-mentioned design, thereby need not to set up too much drive arrangement and remove die core 31 when controlling net twine head working of plastics forming die, in order to make injection molding equipment overall structure simple.

The automatic feeding device comprises a base 6, a mounting seat 7, a lifting assembly 8 and a feeding assembly 5, wherein the lifting assembly 8 and the feeding assembly 5 are connected with the mounting seat 7, the lower die 1 is arranged on the base 6, the upper die 2 is arranged on the mounting seat 7, the upper die 2 and the lower die 1 are oppositely arranged, the lifting assembly 8 is suitable for driving the mounting seat 7 to be close to or far away from the base 6, the feeding assembly 5 is arranged on the mounting seat 7, the feeding assembly 5 is connected with the upper die 2 and is suitable for injecting molten plastics into a die cavity, the feeding assembly 5 can inject the molten plastics into the die cavity after the lifting assembly 8 drives the upper die 2 to abut against the lower die 1 to form the die cavity, and the lifting assembly 8 can drive the upper die 2 to be far away from the lower die 1 after the plastics in the die cavity are cooled and molded so that workers can take out products.

It should be noted that relational terms such as "left" and "right" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a net twine head working of plastics forming die which characterized in that includes: a lower die (1), an upper die (2), a movable die (3) and a guide rod (4), wherein the upper die (2) is suitable for being combined with the lower die (1) and forming a die cavity between the two; the guide groove (11) has been seted up on bed die (1), movable mould (3) are located in guide groove (11) and can follow guide groove (11) are removed, be equipped with on movable mould (3) with mold core (31) that the die cavity matches, the one end of guide bar (4) with go up mould (2) and be connected, the other end of guide bar (4) with movable mould (3) are connected, just guide bar (4) are suitable for go up mould (2) are kept away from when bed die (1) drive movable mould (3) are kept away from the die cavity, and go up mould (2) are close to when bed die (1) drive movable mould (3) are close to the die cavity.

2. The wire head plastic part forming die according to claim 1, wherein: one end of the guide rod (4) far away from the upper die (2) is gradually far away from the die cavity along the length direction of the guide groove (11), and the movable die (3) is provided with a guide through hole (32) matched with the guide rod (4).

3. The wire head plastic part forming die according to claim 1, wherein: the movable mold (3) is provided with a movable mold abutting surface (33), the mold cavity is provided with a mold cavity notch matched with the mold core (31), and when the mold core (31) enters the mold cavity, the movable mold abutting surface (33) can abut against one side of the lower mold (1) and the upper mold (2) provided with the mold cavity notch.

4. The wire head plastic part forming die according to claim 1, wherein: the lower die (1) is provided with a plurality of lower die grooves (12) and lower feed grooves (13), the upper die (2) is provided with an upper die groove (21) corresponding to the lower die grooves (12) and an upper feed groove (22) matched with the lower feed grooves (13), the upper die groove (21) can form a die cavity when being spliced with the corresponding lower die groove (12), the upper feed groove (22) and the lower feed groove (13) are formed into feed pipelines when being spliced, each die cavity is communicated with the feed pipeline, and the upper feed groove (22) is suitable for being connected with a feed assembly (5) for injecting molten plastics.

5. The wire head plastic part forming die according to claim 1, wherein: the upper die (2) is connected with a plurality of positioning columns (23), a plurality of positioning holes (14) matched with the positioning columns (23) are formed in the lower die (1), and when the upper die (2) is abutted to the lower die (1), the positioning columns (23) are inserted into the corresponding positioning holes (14).

6. A wire head plastic part molding device, characterized by comprising the wire head plastic part molding die of any one of claims 1 to 5, and: base (6), mount pad (7), with lifting unit (8) and feed subassembly (5) that mount pad (7) are connected, bed die (1) are located the orientation of base (6) on the one side of mount pad (7), go up mould (2) and locate the orientation of mount pad (7) on the one side of base (6), lifting unit (8) are suitable for the drive mount pad (7) are close to or keep away from base (6), feed subassembly (5) are located on mount pad (7), just feed subassembly (5) with go up mould (2) are connected and are suitable for to pour into molten plastics into in the die cavity.

7. The wire head plastic part forming device according to claim 6, wherein: the feeding assembly (5) comprises a feeding hopper (51), a melting unit (52) and an extruding unit (53), the feeding hopper (51) comprises a feeding hole and a discharging hole, the discharging hole is connected with the melting unit (52), the melting unit (52) is connected with the extruding unit (53), and the extruding unit (53) is connected with the upper die (2).

8. The wire head plastic part forming device according to claim 6, wherein: still include exhaust-gas treatment subassembly (9), exhaust-gas treatment subassembly (9) include gas collecting channel (91), aspiration pump (92), air duct (93), be equipped with air inlet and gas outlet on gas collecting channel (91), the air inlet orientation of gas collecting channel (91) net twine head working of plastics forming die, the gas outlet of gas collecting channel (91) with the one end of air duct (93) is connected, aspiration pump (92) with air duct (93) are connected and are suitable for the suction gas of the air inlet department of gas collecting channel (91).