CN111958917A

CN111958917A - Injection mold for faucet pipe fitting

Info

Publication number: CN111958917A
Application number: CN202010740518.4A
Authority: CN
Inventors: 金晓
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-11-20

Abstract

The invention discloses a faucet pipe fitting injection mold, and belongs to the technical field of faucet pipe fitting injection molding. An injection mold for a faucet pipe fitting comprises a box body, wherein a lead screw is rotatably connected to the inner wall of the box body, a lower mold is in threaded connection with the lead screw, a mold groove is formed in the lower mold, a mold discharging plate is connected in the mold groove in a sliding mode, a top rod is fixedly connected to the bottom of the mold discharging plate, a water groove is formed in the lower mold, a piston cylinder is formed in the lower mold in a chiseling mode, a piston plate is connected to the inner wall of the piston cylinder in a sliding mode, a piston rod is fixedly connected to; this tap pipe fitting injection mold simple structure, low in manufacturing cost, and part long service life can mould for after the shaping when liquid moulds the shaping and cool down, realizes the automatic discharging cooling, makes the loaded down with trivial details process of multichannel merge together for the efficiency of making, the while automation can significantly reduce artificial intensity of labour, increases the income of enterprise.

Description

Injection mold for faucet pipe fitting

Technical Field

The invention relates to the technical field of faucet pipe fitting injection molding, in particular to a faucet pipe fitting injection mold.

Background

Injection molding is a method for producing a model of an industrial product, and products generally use rubber injection molding and plastic injection molding, and can also be divided into injection molding method and die casting method.

An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.

Plastic injection molding: plastic injection molding is a method for plastic products, which comprises injecting molten plastic into a plastic product mold by pressure, cooling and molding to obtain various plastic parts, and is a mechanical injection molding machine specially used for injection molding, wherein the plastic used most commonly at present is polystyrene.

The existing injection mold is complex in structure, the manufacturing process is complex, feeding and discharging cannot be conducted simultaneously, a mold is required to eject the ejector pin when liquid of the existing device is molded and flows into a mold cavity, the liquid can flow out after being molded, the ejector pin loses precision through multiple times of impact and causes material leakage, the manufacturing cost is high, discharging of a cooling-free system is inconvenient, and therefore the water faucet pipe fitting injection mold is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an injection mold for a faucet pipe fitting.

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

an injection mold for faucet pipe fittings comprises a box body, wherein a lead screw is rotatably connected to the inner wall of the box body, a lower die is in threaded connection with the lead screw, a die groove is formed in the lower die, a die plate is connected in the die groove in a sliding manner, an ejector rod is fixedly connected to the bottom of the die plate, a water tank is arranged in the lower die, a piston cylinder is formed in the lower die, a piston plate is slidably connected to the inner wall of the piston cylinder, a piston rod is fixedly connected to the outer wall of the bottom of the piston plate, a steel wire rope is fixedly connected to one end, away from the piston rod, of the steel wire rope is fixedly connected to the outer wall of the box body, an upper die base is rotatably connected to one end, away from the box body, the outer wall of the sliding rod is fixedly connected with a baffle.

Preferably, a first restoring spring is sleeved on the slide bar, a buffer plate is fixedly connected to the slide bar, a first inclined block fixedly connected to one end of the buffer plate is far away from the slide bar, a discharge box is fixedly connected to the top wall of the upper die base, a rotating blade is rotatably connected to the discharge box, a first motor is fixedly connected to the inner wall of the box body, a first belt wheel is fixedly connected to the output end of the first motor, the number of the screw rods is two, equal second belt wheels are fixedly connected to the screw rods, and the second belt wheels are connected with the first belt wheels through belts.

Preferably, go out workbin inner wall fixedly connected with steadying plate, sliding connection has the push rod on the steadying plate, fixedly connected with end cap on the push rod, the one end fixedly connected with and the first sloping piece assorted second sloping piece that the end cap was kept away from to the push rod, the second reset spring has been cup jointed on the push rod, the second reset spring both ends offset with end cap and steadying plate respectively, fixedly connected with storage water tank in the box, fixedly connected with drinking-water pipe on the storage water tank, the one end that the storage water tank was kept away from to the drinking-water pipe is linked together with the piston cylinder.

Preferably, the piston cylinder is fixedly connected with a water outlet pipe, the water pumping pipe and the water outlet pipe are respectively provided with a check valve, one end, away from the piston cylinder, of the water outlet pipe is communicated with the water tank, the bottom of the water tank is fixedly connected with a water discharge pipe, and one end, away from the water tank, of the water discharge pipe is communicated with the water storage tank.

Preferably, the outer wall of the water storage tank is fixedly connected with a fixed shaft, the fixed shaft is connected with a first connecting rod in a rotating mode, the first connecting rod is connected with a second connecting rod in a rotating mode, and one end, far away from the second connecting rod, of the first connecting rod is connected with a third connecting rod matched with the ejector rod in a rotating mode.

Preferably, go up mould base top outer wall fixedly connected with second motor, second motor output end fixedly connected with pivot, rotating vane fixed connection is in the pivot.

Preferably, the outer wall of the box body is fixedly connected with an ejector block, and the ejector block is matched with the piston rod.

Preferably, the first sloping block is provided with an avoiding groove, the second sloping block side wall is fixedly connected with a sliding block, the discharging box side wall is provided with a sliding way, and the sliding block is connected in the sliding way in a sliding manner.

Preferably, the bottom of the box body is fixedly connected with a telescopic rod, the telescopic rod is sleeved with a damping spring, one end of the telescopic rod, far away from the box body, is fixedly connected with a bottom plate, and two ends of the damping spring are respectively abutted to the box body and the bottom plate.

Preferably, be equipped with the feed inlet on the ejection of compact case, ejection of compact incasement wall is equipped with the toper discharge gate, end cap and toper discharge gate phase-match.

Compared with the prior art, the invention provides a faucet pipe fitting injection mold, which has the following beneficial effects:

1. this tap pipe fitting injection mold, it rotates to drive first band pulley through first motor, utilize two lead screws that the belt drove on two second band pulleys to rotate during first band pulley rotates, the lower mould rises because the lead screw rotates threaded connection, the in-process wire rope pulling piston rod that the lower mould rises makes the piston board slide in the piston cylinder, the check valve on the gliding in-process drinking-water pipe of piston board is opened because of pressure, pass through the drinking-water pipe suction piston cylinder with the water in the storage water tank in, meanwhile when lower mould and cylinder pole compound die, the buffer board can be impressed in the cylinder pole by pressure, the slide bar of connecting the buffer board is ejecting with first sloping, second sloping slides on first sloping after first sloping is ejected and separates end cap and the toper discharge gate on the push rod, liquid mould can flow in the die cavity through the flow tube.

2. This tap pipe fitting injection mold, after being annotated with liquid and moulding the mould in the die cavity, first motor drives first band pulley reversal, the lead screw reversal on two second band pulleys is driven through the belt in the time of first band pulley reversal, the in-process lower mould of lead screw reversal begins to descend, kicking block and piston rod counterbalance when the lower mould descends, the piston plate on the kicking block promotion piston rod rises in the piston cylinder, the check valve on the drinking-water pipe is closed, the check valve on the outlet pipe is opened, water in the piston cylinder is pushed to the basin in by the piston plate, cool off the plastic tubing in the mould, simultaneously the buffer board because of from top to bottom, the mould has separated not restraint power and has been recovered the return by first reset spring, the resistance that the second sloping block has not first sloping block is recovered the meeting normal position by second reset spring, the end cap is sealed the toper discharge gate, liquid mould stops to flow.

3. This tap pipe fitting injection mold, when the lower mould descends, the second connecting rod is withstood to the lower mould bottom, and the second connecting rod supports the one end of first connecting rod downwards, and the other end of first connecting rod upwards supports the ejector pin with the third connecting rod upwards, and the ejector pin rebound drives the template ejecting with the pipe fitting after the shaping in the die cavity, can take place vibrations at equipment operation in-process simultaneously, and the telescopic link can be discharged the vibrations of equipment operation through damping spring well with damping spring.

This tap pipe fitting injection mold simple structure, low in manufacturing cost, and part long service life can mould for after the shaping when liquid moulds the shaping and cool down, realizes the automatic discharging cooling, makes the loaded down with trivial details process of multichannel merge together for the efficiency of making, the while automation can significantly reduce artificial intensity of labour, increases the income of enterprise.

Drawings

Fig. 1 is a schematic view of a mold closing structure of an injection mold for a faucet pipe fitting provided by the invention;

fig. 2 is a schematic structural diagram of an injection mold for a faucet pipe fitting according to the present invention;

fig. 3 is an enlarged view of a portion a of the injection mold for faucet pipe fittings shown in fig. 1 according to the present invention;

fig. 4 is an enlarged view of a portion B of the faucet pipe injection mold shown in fig. 1 according to the present invention;

fig. 5 is an enlarged view of a portion C of the faucet pipe injection mold shown in fig. 1 according to the present invention;

fig. 6 is a schematic structural view of an injection mold for a faucet pipe fitting according to the present invention;

fig. 7 is a schematic lower die structure diagram of an injection mold for a faucet pipe fitting according to the present invention;

fig. 8 is a schematic structural view of an upper die of the injection mold for the faucet pipe fitting according to the present invention;

FIG. 9 is a schematic structural view of a water storage tank of an injection mold for faucet pipe fittings according to the present invention;

fig. 10 is a three-dimensional schematic view of a faucet pipe fitting injection mold slide according to the present invention;

fig. 11 is a three-dimensional schematic view of a first inclined block of an injection mold for a faucet pipe fitting according to the present invention.

In the figure: 1. a base plate; 2. a telescopic rod; 3. a damping spring; 4. a box body; 5. a water storage tank; 6. a first motor; 7. a first pulley; 8. a screw rod; 801. a second pulley; 9. a fixed shaft; 10. a first link; 11. a second link; 12. a third link; 13. a top block; 14. a wire rope; 15. a lower die; 16. a piston cylinder; 17. a piston plate; 18. a piston rod; 19. a one-way valve; 20. a water outlet pipe; 21. a water tank; 22. a water pumping pipe; 23. a drain pipe; 24. a die cavity; 25. an upper die base; 26. a cylindrical rod; 27. discharging the template; 28. a top rod; 29. a chute; 30. a slide bar; 31. a baffle plate; 32. a first return spring; 33. a buffer plate; 34. a flow tube; 35. a discharging box; 36. a second motor; 37. a rotating shaft; 38. a rotating blade; 39. a feed inlet; 40. a first swash block; 41. a stabilizing plate; 42. a push rod; 43. a second swash block; 44. a plug; 45. a second return spring; 46. an avoidance groove; 47. a slider; 48. a slideway.

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.

Example 1:

referring to fig. 1-11, a faucet pipe fitting injection mold comprises a box body 4, a lead screw 8 is rotatably connected to the inner wall of the box body 4, a lower mold 15 is connected to the lead screw 8 in a threaded manner, a mold cavity 24 is formed in the lower mold 15, a mold outlet plate 27 is slidably connected to the mold cavity 24, a mandril 28 is fixedly connected to the bottom of the mold outlet plate 27, a water tank 21 is arranged in the lower mold 15, a piston cylinder 16 is formed in the lower mold 15, a piston plate 17 is slidably connected to the inner wall of the piston cylinder 16, a piston rod 18 is fixedly connected to the outer wall of the bottom of the piston plate 17, a steel wire rope 14 is fixedly connected to one end of the piston rod 18, the end of the steel wire rope 14, which is far away from the piston rod 18, is rotatably connected to an upper mold base 25, a flow pipe 34 is arranged on, sliding connection has slide bar 30 in the spout 29, slide bar 30 outer wall fixedly connected with baffle 31, first reset spring 32 has been cup jointed on the slide bar 30, fixedly connected with buffer board 33 on the slide bar 30, slide bar 30 keeps away from the first sloping block 40 of one end fixedly connected with of buffer board 33, go up mould base 25 roof fixedly connected with ejection of compact case 35, it is connected with rotating vane 38 to rotate on the ejection of compact case 35, ejection of compact case 35 inner wall fixedly connected with stabilising plate 41, sliding connection has push rod 42 on the stabilising plate 41, fixedly connected with end cap 44 on the push rod 42, the one end fixedly connected with that end cap 44 was kept away from to push rod 42 and first sloping block 40 assorted second sloping block 43, the second reset spring 45 has been cup jointed on the push rod 42, the second reset spring 45 both ends offset with end cap 44 and stabilising plate 41 respectively.

In the invention, a first motor 6 drives a first belt pulley 7 to rotate, when the first belt pulley 7 rotates, a belt is used for driving two screw rods 8 on two second belt pulleys 801 to rotate, a lower die 15 rises due to the rotation of the screw rods 8 through threaded connection, a steel wire rope 14 pulls a piston rod 18 to enable a piston plate 17 to slide in a piston cylinder 16 when the lower die 15 rises, a check valve 19 on a water pumping pipe 22 is opened due to pressure when the piston plate 17 slides, water in a water storage tank 5 is pumped into the piston cylinder 16 through the water pumping pipe 22, meanwhile, when the lower die 15 and the cylindrical rod 26 are closed, the buffer plate 33 is pressed into the cylindrical rod 26 by pressure, the sliding rod 30 connected with the buffer plate 33 pushes out the first inclined block 40, after the first inclined block 40 is pushed out, the second inclined block 43 slides on the first inclined block 40 to separate the plug 44 on the push rod 42 from the conical discharge hole, and the liquid mold flows into the mold cavity 24 through the flow pipe 34.

After the die cavity 24 is filled with liquid and the die is molded, the first motor 6 drives the first belt pulley 7 to rotate reversely, the first belt pulley 7 rotates reversely and simultaneously drives the screw rods 8 on the two second belt pulleys 801 to rotate reversely through the belt, the lower die 15 starts to descend in the process of rotating the screw rods 8, the top block 13 abuts against the piston rod 18 when the lower die 15 descends, the top block 13 pushes the piston plate 17 on the piston rod 18 to ascend in the piston cylinder 16, the check valve 19 on the water pumping pipe 22 is closed, the check valve 19 on the water outlet pipe 20 is opened, water in the piston cylinder 16 is pushed into the water tank 21 by the piston plate 17, the plastic pipe in the mold is cooled, meanwhile, the buffer plate 33 is restored and returned by the first restoring spring 32 due to no constraint force generated by the separation of the upper mold and the lower mold, the second inclined block 43 is restored and returned by the second restoring spring 45 without the resistance of the first inclined block 40, the conical discharge hole is sealed by the plug 44, and the liquid mold stops flowing out.

Example 2:

referring to fig. 1 to 11, an injection mold for a faucet pipe fitting is substantially the same as that in embodiment 1, further, a first motor 6 is fixedly connected to an inner wall of a box 4, a first pulley 7 is fixedly connected to an output end of the first motor 6, two lead screws 8 are provided, a second pulley 801 is fixedly connected to each of the two lead screws 8, and the second pulley 801 is connected with the first pulley 7 through a belt; provide power for the screw rod 8 and realize the lifting of the lower die 15.

A water storage tank 5 is fixedly connected in the tank body 4, a water pumping pipe 22 is fixedly connected on the water storage tank 5, and one end, far away from the water storage tank 5, of the water pumping pipe 22 is communicated with the piston cylinder 16.

A water outlet pipe 20 is fixedly connected to the piston cylinder 16, check valves 19 are arranged on the water pumping pipe 22 and the water outlet pipe 20, one end of the water outlet pipe 20, which is far away from the piston cylinder 16, is communicated with a water tank 21, a water discharge pipe 23 is fixedly connected to the bottom of the water tank 21, and one end of the water discharge pipe 23, which is far away from the water tank 21, is communicated with the water storage tank 5; the cooling water can be recycled to reduce the production cost.

A fixed shaft 9 is fixedly connected to the outer wall of the water storage tank 5, a first connecting rod 10 is rotatably connected to the fixed shaft 9, a second connecting rod 11 is rotatably connected to the first connecting rod 10, and a third connecting rod 12 matched with the ejector rod 28 is rotatably connected to one end, far away from the second connecting rod 11, of the first connecting rod 10; the ejector rod 28 is pushed to facilitate the discharging of the molded die after molding.

The outer wall of the top of the upper die base 25 is fixedly connected with a second motor 36, the output end of the second motor 36 is fixedly connected with a rotating shaft 37, and a rotating blade 38 is fixedly connected to the rotating shaft 37; the liquid mold is pushed into the mold.

The outer wall of the box body 4 is fixedly connected with a top block 13, and the top block 13 is matched with a piston rod 18; pushing piston rod 18 pushes water in piston cylinder 16 into water tank 21 to cool the mold.

An avoiding groove 46 is drilled on the first inclined block 40, a sliding block 47 is fixedly connected to the side wall of the second inclined block 43, a sliding way 48 is drilled on the side wall of the discharging box 35, and the sliding block 47 is connected in the sliding way 48 in a sliding manner; the second swash block 43 slides more stably.

The bottom of the box body 4 is fixedly connected with a telescopic rod 2, the telescopic rod 2 is sleeved with a damping spring 3, one end of the telescopic rod 2, far away from the box body 4, is fixedly connected with a bottom plate 1, and two ends of the damping spring 3 are respectively abutted against the box body 4 and the bottom plate 1; the vibration on the device can be absorbed conveniently, and the damage of the vibration to the device can be reduced.

A feed inlet 39 is arranged on the discharge box 35, a conical discharge outlet is arranged on the inner wall of the discharge box 35, and a plug 44 is matched with the conical discharge outlet; the discharging is convenient when the die is closed, and the discharging is stopped when the die is separated.

When the lower die 15 descends, the bottom of the lower die 15 abuts against the second connecting rod 11, one end of the first connecting rod 10 is abutted downwards by the second connecting rod 11, the other end of the first connecting rod 10 is abutted upwards by the third connecting rod 12 against the ejector rod 28, the ejector rod 28 moves upwards to drive the template 27 to eject the pipe formed in the die cavity 24, meanwhile, the pipe can vibrate in the operation process of the equipment, and the telescopic rod 2 and the damping spring 3 can well discharge the vibration in the operation process of the equipment through the damping spring 3.

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 the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a tap pipe fitting injection mold, includes box (4), its characterized in that, box (4) inner wall rotates and is connected with lead screw (8), threaded connection has lower mould (15) on lead screw (8), die cavity (24) have been dug on lower mould (15), sliding connection has ejector plate (27) in die cavity (24), ejector plate (27) bottom fixedly connected with ejector pin (28), be equipped with basin (21) in lower mould (15), piston cylinder (16) have been dug in lower mould (15), piston cylinder (16) inner wall sliding connection has piston plate (17), piston plate (17) bottom outer wall fixedly connected with piston rod (18), the one end fixedly connected with wire rope (14) of piston plate (17) is kept away from in piston rod (18), the one end fixedly connected with wire rope (14) of keeping away from piston rod (18) is at the outer wall of box (4), the one end that box (4) was kept away from in lead screw (8) rotates and is connected with mould base (25), be equipped with flow tube (34) on mould base (25), go up mould base (25) bottom fixedly connected with cylinder pole (26), spout (29) have been seted up on cylinder pole (26), sliding connection has slide bar (30) in spout (29), slide bar (30) outer wall fixedly connected with baffle (31).

2. The injection mold for faucet pipe fittings according to claim 1, wherein the slide rod (30) is sleeved with a first restoring spring (32), the sliding rod (30) is fixedly connected with a buffer plate (33), one end of the sliding rod (30) far away from the buffer plate (33) is fixedly connected with a first inclined block (40), the top wall of the upper die base (25) is fixedly connected with a discharge box (35), the discharge box (35) is rotatably connected with a rotating blade (38), a first motor (6) is fixedly connected with the inner wall of the box body (4), a first belt wheel (7) is fixedly connected with the output end of the first motor (6), the number of the screw rods (8) is two, the two screw rods (8) are both fixedly connected with a second belt wheel (801), the second belt wheel (801) and the first belt wheel (7) are connected through a belt.

3. The injection mold for faucet pipe fittings according to claim 2, wherein a stabilizing plate (41) is fixedly connected to the inner wall of the discharging box (35), the stabilizing plate (41) is connected with a push rod (42) in a sliding way, the push rod (42) is fixedly connected with a plug (44), one end of the push rod (42) far away from the plug (44) is fixedly connected with a second inclined block (43) matched with the first inclined block (40), a second restoring spring (45) is sleeved on the push rod (42), two ends of the second restoring spring (45) are respectively propped against the plug (44) and the stabilizing plate (41), a water storage tank (5) is fixedly connected in the tank body (4), a water pumping pipe (22) is fixedly connected on the water storage tank (5), one end of the water pumping pipe (22) far away from the water storage tank (5) is communicated with the piston cylinder (16).

4. The injection mold for the water faucet pipe fittings according to claim 3, wherein the piston cylinder (16) is fixedly connected with a water outlet pipe (20), the water pumping pipe (22) and the water outlet pipe (20) are respectively provided with a one-way valve (19), one end, far away from the piston cylinder (16), of the water outlet pipe (20) is communicated with a water tank (21), the bottom of the water tank (21) is fixedly connected with a water drainage pipe (23), and one end, far away from the water tank (21), of the water drainage pipe (23) is communicated with the water storage tank (5).

5. The injection mold for the water faucet pipe fittings according to claim 4, wherein a fixed shaft (9) is fixedly connected to the outer wall of the water storage tank (5), a first connecting rod (10) is rotatably connected to the fixed shaft (9), a second connecting rod (11) is rotatably connected to the first connecting rod (10), and a third connecting rod (12) matched with the ejector rod (28) is rotatably connected to one end, away from the second connecting rod (11), of the first connecting rod (10).

6. The injection mold for the faucet pipe fitting as recited in claim 1, wherein a second motor (36) is fixedly connected to the outer wall of the top of the upper mold base (25), a rotating shaft (37) is fixedly connected to the output end of the second motor (36), and the rotating blade (38) is fixedly connected to the rotating shaft (37).

7. The injection mold for the faucet pipe fittings according to claim 1, wherein an ejector block (13) is fixedly connected to the outer wall of the box body (4), and the ejector block (13) is matched with the piston rod (18).

8. The faucet pipe fitting injection mold according to claim 6, wherein an avoidance groove (46) is formed in the first inclined block (40), a sliding block (47) is fixedly connected to the side wall of the second inclined block (43), a sliding way (48) is formed in the side wall of the discharging box (35), and the sliding block (47) is slidably connected into the sliding way (48).

9. The injection mold for the water faucet pipe fittings according to claim 1, wherein a telescopic rod (2) is fixedly connected to the bottom of the box body (4), the telescopic rod (2) is sleeved with a damping spring (3), a bottom plate (1) is fixedly connected to one end, far away from the box body (4), of the telescopic rod (2), and two ends of the damping spring (3) are respectively abutted against the box body (4) and the bottom plate (1).

10. The injection mold for the water faucet pipe fitting according to claim 8, wherein a feed inlet (39) is formed in the discharge box (35), a conical discharge outlet is formed in the inner wall of the discharge box (35), and the plug (44) is matched with the conical discharge outlet.