Shunting needle structure for plastic mold

Abstract

The utility model provides a diversion needle structure for a plastic mould, which comprises a mounting plate, a diversion pipe is fixed on the surface of the mounting plate, the two ends of the diversion pipe are communicated with telescopic pipes, the surfaces of the telescopic pipes are communicated with a diversion shell, a plurality of replacement mechanisms are arranged at the bottom of the diversion shell, and position adjusting mechanisms are arranged on the front side and the rear side of the mounting plate. The top of the shunt pipe is in threaded connection with a one-way valve; the replacing mechanism comprises a connecting shell, the top of the connecting shell is fixedly connected with the bottom of the flow dividing shell, a plurality of through holes matched with the connecting shell to circulate liquid are formed in the surface of the flow dividing shell, the connecting shell communicates with the flow dividing shell through the through holes, a guiding shell is fixed to the inner wall of the connecting shell, and a spring is fixed to the bottom of the guiding shell. According to the flow dividing needle structure for the plastic mold, when a single spray hole is blocked, only the corresponding spray head needs to be screwed off for replacement, and resource waste caused by scrapping of a traditional integral spray head is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic mould structure design, specifically relates to a plastic mould is with shunt needle structure. BACKGROUND

[0002] Now plastic mould accounts for the proportion of total mould gradually improves, and the requirement of product to plastic mould is also higher and higher, and plastic mould as important process equipment of plastic product, becomes the most universal forming method among plastic mould, and the level of quality precision, manufacturing cycle and production efficiency in injection molding process directly influences the quality, output, cost and product update of product.

[0003] The utility model discloses a plastic mould is with shunt needle structure discloses a kind of in the utility model, including shunt plate, shunt groove is set in the top of shunt plate, installation hole is set in the bottom inner wall of shunt groove, and spray head is equipped in installation hole, and the top of spray head extends into shunt groove, and the outer side of spray head is fixedly provided with the pressing plate in shunt groove, and sealing ring is fixedly installed on the bottom inner wall of shunt groove, and the top of sealing ring is in contact with the bottom of pressing plate, and water pipe is fixedly installed on the top of spray head, and one-way valve is fixedly installed on the top end of water pipe, and first support block is slidably provided with on the outer side of water pipe, and second support block is rotatably provided with on the outer side of first support block, and third support block is fixedly installed on the top of shunt plate on the both sides of second support block.

[0004] However, the prior art scheme still has the following deficiencies: when a single spray hole is blocked, the spray head needs to be replaced as a whole, and since the device uses a large body-shaped spray head as a whole, material is wasted, and the position of the spray head of the device is fixed, so it cannot adapt to the lubrication needs of different mold cavity shapes. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a plastic mould is with shunt needle structure to solve the problems in the background art.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0007] A plastic mould is with shunt needle structure, including mounting plate, the surface of mounting plate is fixed with shunt pipe, the both ends of shunt pipe are communicated with telescopic pipe, the surface of telescopic pipe is communicated with shunt shell, the bottom of shunt shell is provided with a plurality of replacement mechanisms, the front and rear sides of mounting plate are provided with position adjusting mechanism, and the top of shunt pipe is threadedly connected with one-way valve.

[0008] The replacement mechanism comprises a connecting shell, the top of the connecting shell is fixedly connected with the bottom of a shunt shell, a plurality of through holes for passing liquid are formed in the surface of the shunt shell, the connecting shell is communicated with the shunt shell through the through holes, a guide shell is fixedly arranged on the inner wall of the connecting shell, a spring is fixedly arranged at the bottom of the guide shell, and a pressing plate is fixedly arranged at the bottom of the spring.

[0009] As a preferred scheme of the embodiment, a plurality of water outlet grooves are formed in the surface of the guide shell, a resisting plate is fixedly arranged on the surface of the guide shell, a spray head is threadedly connected below the surface of the connecting shell, and a plurality of spray holes are formed in the surface of the spray head.

[0010] As a preferred scheme of the embodiment, a circular filter screen is slidably connected to the inner wall of the spray head, and an extension frame is fixedly arranged at the bottom of the resisting plate.

[0011] As a preferred scheme of the embodiment, a telescopic rod is arranged inside the spring, the bottom end of the telescopic rod is fixedly connected with the top of the pressing plate, and the top end of the telescopic rod is fixedly connected with the surface of the guide shell.

[0012] As a preferred scheme of the embodiment, the spring is made of stainless steel, a sealing gasket is fixedly arranged at the top of the resisting plate, and a sealing groove matched with the sealing gasket is formed in the bottom of the pressing plate.

[0013] As a preferred scheme of the embodiment, the position adjusting mechanism comprises a guide plate, the guide plate is fixedly arranged on the surface of the mounting plate, a sliding plate is slidably connected to the surface of the guide plate, the sliding plate is fixedly connected with the surface of the shunt shell, a U-shaped frame is fixedly arranged on the surface of the sliding plate, and a limiting structure is arranged on the surface of the U-shaped frame.

[0014] As a preferred scheme of the embodiment, the limiting structure on the surface of the U-shaped frame comprises a handle bolt, the surface of the handle bolt is threadedly penetrated through the U-shaped frame, and a pin block is fixedly arranged at one end of the handle bolt.

[0015] As a preferred scheme of the embodiment, a plurality of pin holes matched with the pin block are formed in the surfaces of the sliding plate and the guide plate, and the number of the pin holes in the surface of the guide plate is more than one.

[0016] As a preferred scheme of the embodiment, the edge of the pin hole is designed as a chamfer structure, and one end of the pin block is designed as a semicircular structure.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] (1) The utility model discloses a replacement mechanism passes through the modularization nozzle design and the linkage sealing mechanism of spring and pressing plate, and the maintenance efficiency is improved obviously, when single spray hole is blocked, only needs to unscrew corresponding nozzle replacement, avoids the resource waste of traditional overall type nozzle scrap, and the sealing groove of sealing washer and pressing plate forms the sealing structure, even under the condition of frequent dismounting nozzle still can effectively prevent the leakage, and the combination design of circular filter screen and extension frame further reduces the block frequency, prolongs the service life of nozzle.

[0019] (2) The utility model discloses a position adjusting mechanism adopts the locking cooperation of guide plate and extension plate sliding structure and handle bolt, realizes the quick position adjustment of shunt shell, and the fine positioning of multiple pinholes is set up, and the lubrication demand of different mould cavity is adapted, avoids the lubrication blind area of fixed spray hole position. DRAWINGS

[0020] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is the three-dimensional structure schematic diagram of another perspective of the utility model;

[0022] Figure 3 It is the cross section structure schematic diagram of replacement mechanism in the utility model;

[0023] Figure 4 It is the cross section structure schematic diagram of replacement mechanism after operation in the utility model;

[0024] Figure 5 It is the structure schematic diagram of position adjusting mechanism in the utility model.

[0025] Among them: 1, mounting plate, 2, shunt pipe, 3, telescopic pipe, 4, shunt shell, 5, replacement mechanism, 501, connecting shell, 502, guide shell, 503, spring, 504, pressing plate, 505, abutment plate, 506, water outlet groove, 507, nozzle, 508, spray hole, 509, extension frame, 510, circular filter screen, 511, sealing washer, 512, telescopic rod, 6, position adjusting mechanism, 601, guide plate, 602, extension plate, 603, U-shaped frame, 604, pinhole, 605, handle bolt, 606, pin block, 7, check valve. DETAILED DESCRIPTION

[0026] The utility model will be described in further detail below with the combination of drawings.

[0027] Please refer to Figures 1 to 4The utility model discloses a kind of plastic mould is with shunt needle structure, including mounting plate 1, mounting plate 1 surface is fixed with shunt pipe 2, shunt pipe 2 both ends are communicated with flexible pipe 3, flexible pipe 3 surface is communicated with shunt shell 4, shunt shell 4 bottom is provided with multiple replacement mechanism 5, mounting plate 1 front and rear sides are provided with position adjusting mechanism 6, shunt pipe 2 top is threadedly connected with one-way valve 7.Replacement mechanism 5 includes connecting shell 501, connecting shell 501 top and shunt shell 4 bottom fixed connection, multiple through holes for cooperating connecting shell 501 liquid flow are set on the surface of shunt shell 4, connecting shell 501 is communicated with shunt shell 4 by through hole, spring 503 is fixed in the inner wall of connecting shell 501, spring 503 bottom is fixed with pressure plate 504, multiple water outlet grooves 506 are set on the surface of guiding shell 502, guiding shell 502 surface is fixed with abutment plate 505, spray head 507 is threadedly connected with the surface below connecting shell 501, multiple spray holes 508 are set on the surface of spray head 507.

[0028] Specifically in the embodiment, shunt pipe 2 is connected with shunt shell 4 by flexible pipe 3, lubricant enters shunt pipe 2 from one-way valve 7, flows into shunt shell 4 after flexible pipe 3, and lubricant in shunt shell 4 enters connecting shell 501 by through hole, and uniform flow is formed at water outlet groove 506 of guiding shell 502, spring 503 is pressed under normal circumstances, so that pressure plate 504 is attached to abutment plate 505, and lubricant leakage is prevented, when spray head 507 is installed by rotation, pressure plate 504 is pressed and moves up, at this time, lubricant can flow into spray head 507 through water outlet groove 506, and then is sprayed out through spray hole 508, this design can realize the rapid replacement of individual spray head 507, and can automatically seal the bottom of connecting shell 501 after spray head 507 is disassembled, so that subsequent manual closing step is saved, and the use efficiency of device is improved.

[0029] Please refer to Figures 1 to 4 As shown, circular filter screen 510 is slidably connected to the inner wall of spray head 507, and extension frame 509 is fixed to the bottom of abutment plate 505.When lubricant flows through circular filter screen 510, impurities are intercepted, and lubricant liquid is sprayed out through spray hole 508, when spray head 507 is screwed into the inside of connecting shell 501, extension frame 509 abuts against circular filter screen 510, to prevent it from being displaced due to fluid impact.Spring 503 is provided with telescopic rod 512 inside, the bottom end of telescopic rod 512 is fixedly connected to the top of pressure plate 504, and the top end of telescopic rod 512 is fixedly connected to the surface of guiding shell 502.When pressure plate 504 is pressed and moves up by spray head 507, telescopic rod 512 is synchronously contracted, to limit the transverse deformation of spring 503, and ensure the vertical movement of pressure plate 504.

[0030] Please refer to Figures 1 to 4As shown, the spring 503 is made of stainless steel, the top of the resistance plate 505 is fixed with a sealing gasket 511, and the bottom of the pressing plate 504 is provided with a sealing groove matched with the sealing gasket 511. The stainless steel spring 503 has high corrosion resistance and remains elastic after long-term contact with lubricant. The sealing gasket 511 and the sealing groove at the bottom of the pressing plate 504 match to form a double-sealed cross section. When the pressing plate 504 is pushed down by the spring 503, the sealing gasket 511 tightly fits the sealing groove, blocking the lubricant leakage path.

[0031] Please refer to Figure 5 As shown, the position adjusting mechanism 6 specifically includes a guide plate 601 fixed to the surface of the mounting plate 1, a sliding plate 602 slidingly connected to the surface of the guide plate 601, the sliding plate 602 being fixedly connected to the surface of the shunt shell 4, a U-shaped bracket 603 fixed to the surface of the sliding plate 602, and a limiting structure mounted on the surface of the U-shaped bracket 603. The sliding plate 602 can drive the shunt shell 4 to slide along the guide plate 601, drive multiple replacement mechanisms 5 to move horizontally, and allow the horizontal position of the shunt shell 4 to be adjusted flexibly according to the layout of the mold cavity, ensuring that the injection hole 508 is aligned with the lubrication demand area. The limiting structure on the surface of the U-shaped bracket 603 includes a handle bolt 605, the surface of the handle bolt 605 is threaded through the U-shaped bracket 603, one end of the handle bolt 605 is fixed with a pin block 606, and the surfaces of the sliding plate 602 and the guide plate 601 are provided with pin holes 604 matched with the pin block 606. When the handle bolt 605 is tightened, the pin block 606 is screwed into the U-shaped bracket 603 and inserted into the pin holes 604 of the sliding plate 602 and the guide plate 601, achieving position fixation; when the bolt is loosened, the pin block 606 exits the pin hole 604, and the sliding plate 602 can slide freely.

[0032] In this embodiment, the edge of the pin hole 604 is designed with a chamfer structure, and one end of the pin block 606 is designed with a semicircular structure. The chamfer structure at the edge of the pin hole 604 facilitates the alignment and insertion of the pin block 606, reducing frictional resistance; the semispherical end of the pin block 606 automatically guides during the insertion process, and even if there is a slight positional deviation, it can still smoothly enter the pin hole 604. The chamfer structure and the semispherical pin block 606 design greatly reduces the precision requirement of the adjustment operation, improving user experience.

[0033] In use, the lubricant enters the shunt pipe 2 through the one-way valve 7, is delivered to the shunt shell 4 through the telescopic pipe 3, and flows into the connecting shell 501 through the through hole in the shunt shell 4, forms uniform shunting at the water outlet groove 506 of the guide shell 502, and under normal circumstances, the spring 503 pushes the pressing plate 504 to tightly adhere to the sealing gasket 511 of the resisting plate 505, and blocks the outflow of the lubricant; when the nozzle 507 is screwed into the bottom of the connecting shell 501, the nozzle 507 pushes the pressing plate 504 to move upwards, the lubricant enters the nozzle 507 through the water outlet groove 506 and the circular filter screen 510, and is sprayed out to the mold cavity through the spray hole 508, if the spray hole 508 is blocked, the nozzle 507 can be unscrewed and replaced alone, in the process, the spring 503 automatically resets the pressing plate 504 to realize sealing, when the position of the pressing plate 504 is adjusted, the transverse position of the shunt shell 4 is adjusted through the sliding extension plate 602, then the bolt 605 with a handle and the pin block 606 are inserted into different pin holes 604 to lock the position, and the nozzle 507 is accurately aligned with the lubrication area.

[0034] Although specific embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the above described specific embodiments are not to be construed as limiting, but merely as illustrative, and that changes in form and detail can be made by those skilled in the art without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

Claims

1. A flow dividing pin structure for a plastic mold comprising a mounting plate (1), characterized in that: The mounting plate (1) is fixed with a shunt pipe (2), both ends of the shunt pipe (2) are communicated with an elastic pipe (3), the elastic pipe (3) is communicated with a shunt shell (4), a plurality of replacement mechanisms (5) are arranged on the bottom of the shunt shell (4), the mounting plate (1) is provided with a position adjusting mechanism (6) on both sides, and the shunt pipe (2) is threadedly connected with a check valve (7) on the top. The replacement mechanism (5) comprises a connecting shell (501), the connecting shell (501) is fixedly connected with the shunt shell (4) on the top, a plurality of through holes for passing liquid are formed in the surface of the shunt shell (4), the connecting shell (501) is communicated with the shunt shell (4) through the through holes, a guide shell (502) is fixedly connected to the inner wall of the connecting shell (501), a spring (503) is fixedly connected to the bottom of the guide shell (502), and a pressing plate (504) is fixedly connected to the bottom of the spring (503).

2. The shunt pin structure for a plastic mold according to claim 1, characterized by: A plurality of water outlet grooves (506) are formed in the surface of the guide shell (502), a resisting plate (505) is fixedly connected to the surface of the guide shell (502), a spray head (507) is threadedly connected to the surface of the connecting shell (501) below, and a plurality of spray holes (508) are formed in the surface of the spray head (507).

3. The pin structure for a plastic mold according to claim 2, wherein: A circular filter screen (510) is slidably connected to the inner wall of the spray head (507), and an extension frame (509) is fixedly connected to the bottom of the resisting plate (505).

4. The shunt pin structure for a plastic mold according to claim 1, characterized by: A telescopic rod (512) is arranged on the inner side of the spring (503), the bottom end of the telescopic rod (512) is fixedly connected with the top of the pressing plate (504), and the top end of the telescopic rod (512) is fixedly connected with the surface of the guide shell (502).

5. The pin structure for a plastic mold according to claim 2, wherein: The spring (503) is made of stainless steel, a sealing gasket (511) is fixedly connected to the top of the resisting plate (505), and a sealing groove matched with the sealing gasket (511) is formed in the bottom of the pressing plate (504).

6. The shunt pin structure for a plastic mold according to claim 1, wherein: The position adjusting mechanism (6) comprises a guide plate (601), the guide plate (601) is fixed to the surface of the mounting plate (1), a extension plate (602) is slidably connected to the surface of the guide plate (601), the extension plate (602) is fixedly connected with the surface of the shunt shell (4), a U-shaped frame (603) is fixedly connected to the surface of the extension plate (602), and a limiting structure is arranged on the surface of the U-shaped frame (603).

7. The pin structure for a plastic mold according to claim 6, wherein: The limiting structure on the surface of the U-shaped frame (603) comprises a bolt (605), the bolt (605) is threadedly connected to the surface of the U-shaped frame (603), and a pin block (606) is fixedly connected to one end of the bolt (605).

8. The pin structure for a plastic mold according to claim 7, wherein: Pin holes (604) matched with the pin block (606) are formed in the surfaces of the extension plate (602) and the guide plate (601), and the number of the pin holes (604) in the surface of the guide plate (601) is plural.

9. The pin structure for a plastic mold according to claim 8, wherein: The edge of the pin hole (604) is designed in a chamfered structure, and one end of the pin block (606) is designed in a semicircular structure.

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