CN218429688U

CN218429688U - Demoulding structure of injection mould of floor heating plastic pipe

Info

Publication number: CN218429688U
Application number: CN202222827740.5U
Authority: CN
Inventors: 陈林
Original assignee: Shaanxi Sanyuan Kanghui Plastic Products Co ltd
Current assignee: Shaanxi Sanyuan Kanghui Plastic Products Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-03
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a demoulding structure of an injection mould of a floor heating plastic pipe, which comprises a mould frame, an upper template, a lower template, a convex mould and a concave mould, wherein the upper template and the lower template are positioned at the middle part of the mould frame, the convex mould is positioned at the middle position of the lower surface of the upper template, the concave mould is positioned at the middle position of the lower template, and both sides of the interior of the lower template and positioned at a buckling structure are provided with a buckling structure and a matching structure; a demoulding structure of injection mold of ground heating plastic tubing, the edge through connecting the reservation mouth of knee and ground heating plastic tubing when the die sinking cooperates to make ground heating plastic tubing drop from the terrace die, avoid ground heating plastic tubing drawing of patterns along with the terrace die together, treat that the terrace die is connected the knee and begin to rotate after taking place relative slip with the finished piece, avoid the finished piece along with drawing of patterns together at the terrace die, and guarantee after cope match-plate pattern and the lower bolster compound die to connect the knee and can block in the reservation groove.

Description

Demoulding structure of injection mould of floor heating plastic pipe

Technical Field

The utility model relates to an injection mold field, in particular to injection mold's demoulding structure of ground heating plastic tubing.

Background

The injection molding method has the advantages of high production speed, high efficiency, automation of operation, multiple designs and colors, shapes from simple to complex, sizes from large to small, accurate product size, easy replacement of products, capability of forming products with complex shapes, suitability for the molding processing fields of mass production, products with complex shapes and the like, processing of the middle connecting pipe fitting of the floor heating plastic pipeline through injection molding, connection of all plastic pipes through the middle connecting pipe fitting, and guarantee of the connection reliability among all floor heating plastic pipes;

but the injection mold of current ground heating plastic tubing has certain drawback, connecting pipe to some than short plastic tubing when the drawing of patterns of moulding plastics, because die and terrace die have certain draft angle, make the finished piece extract along with the terrace die together easily, thereby make the finished piece be difficult to break away from in the excircle of terrace die, need take out the finished piece through manual or other modes, can not mould plastics the finished piece in succession, and it is comparatively consuming time and dangerous to take out the finished piece, influence the processing progress.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a demoulding structure of injection mold of ground heating plastic tubing can effectively solve the technical problem who provides in the background art.

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

the demolding structure of the injection mold of the floor heating plastic pipe comprises a mold frame, an upper mold plate, a lower mold plate, a male mold and a female mold, wherein the upper mold plate and the lower mold plate are located in the middle of the mold frame, the male mold is located in the middle of the lower surface of the upper mold plate, the female mold is located in the middle of the lower mold plate, a buckling structure and a matching structure are arranged inside the lower mold plate and located on two sides of the male mold, and the matching structure is located on one side of the buckling structure;

the buckling structure comprises a fixed cavity, the fixed cavity is arranged in the lower template and is positioned at two sides of the female die, a connecting pin is arranged in the fixed cavity, a connecting bent rod is connected to the connecting pin, the middle of the connecting bent rod is movably connected with the connecting pin, the one end of connecting the knee is just located and has seted up reserved mouthful near terrace die department, the lateral wall of terrace die is seted up and is connected knee assorted reservation groove, the inner wall of the other end of connecting the knee and fixed chamber is provided with first spring.

As the utility model discloses an optimal technical scheme, the width of reservation groove is the same with the width of connecting the knee, and the cross-section phase-match of the cross-section of reservation mouth and pipeline.

As the utility model discloses preferred technical scheme, the lower surface of cope match-plate pattern is seted up and is connected knee top matched with fixed slot, and forms airtight space between cope match-plate pattern, lower bolster and the connection knee.

As the utility model discloses preferred technical scheme, the cooperation structure includes the lifter, the welding of lower extreme one side of lifter has the connecting rod, and lifter and lower bolster sliding connection, the inside guide bar that is provided with in bottom of lifter, and the cover is equipped with the second spring on the guide bar, it has the contact piece to connect one side welding that is close to the lifter on the knee.

As the utility model discloses preferred technical scheme, contact block's top is seted up with connecting rod matched with chute, and the tip of connecting rod with be connected knee and contact block sliding connection.

As the utility model discloses an optimal technical scheme, die cavity between cope match-plate pattern, lower bolster, the lower bolster is for heating up the plastics tubulose, and the die bottom is provided with the stationary blade.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model is provided with a buckling structure, and the reserved opening of the connecting bent rod is matched with the edge of the floor heating plastic pipe when the mould is opened, so that the floor heating plastic pipe falls off from the male mould, and the floor heating plastic pipe is prevented from being demoulded along with the male mould;

be provided with the cooperation structure, can drive the connecting rod and remove when cope match-plate pattern rebound, connect the knee and can not separate with the plastic tubing that warms up at once, treat that the terrace die is connected the knee and begins to rotate after taking place relative slip with the finished piece, avoid the finished piece along with drawing of patterns together at the terrace die, and guarantee after cope match-plate pattern and the lower bolster compound die to connect the knee and can block in the preformed groove.

Drawings

Fig. 1 is a schematic view of an overall structure of a demolding structure of an injection mold of a floor heating plastic pipe according to the present invention;

fig. 2 is a schematic view of a mold opening state of a demolding structure of the injection mold of the floor heating plastic pipe of the present invention;

FIG. 3 is a schematic view of a buckling structure of a demolding structure of an injection mold of a floor heating plastic pipe according to the present invention;

fig. 4 is a matching structure diagram of the demolding structure of the injection mold of the floor heating plastic pipe of the present invention.

In the figure: 1. a mold frame; 2. mounting a template; 3. a lower template; 4. a male die; 5. a female die; 6. a buckling structure; 7. a mating structure; 601. connecting the bent rod; 602. a connecting pin; 603. a fixed cavity; 604. a first spring; 605. reserving a port; 606. reserving a groove; 701. a lifting rod; 702. a connecting rod; 703. a contact block; 704. a guide rod; 705. a second spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, a demolding structure of an injection mold of a geothermal plastic pipe comprises a mold frame 1, an upper mold plate 2, a lower mold plate 3, a male mold 4 and a female mold 5, wherein the upper mold plate 2 and the lower mold plate 3 are located in the middle of the mold frame 1, the male mold 4 is located in the middle of the lower surface of the upper mold plate 2, the female mold 5 is located in the middle of the lower mold plate 3, a buckling structure 6 and a matching structure 7 are arranged inside the lower mold plate 3 and located on two sides of the male mold 4, and the matching structure 7 is located on one side of the buckling structure 6;

buckling structure 6 includes fixed chamber 603, fixed chamber 603 is seted up in the inside of lower bolster 3, and fixed chamber 603 is located the both sides of die 5, the inside of fixed chamber 603 is provided with connecting pin 602, and be connected with on the connecting pin 602 and connect curved bar 601, and connect the centre and the connecting pin 602 swing joint of curved bar 601, the one end of connecting curved bar 601 and be located to be close to terrace die 4 and seted up reserved mouth 605, the lateral wall of terrace die 4 is seted up and is connected curved bar 601 assorted reservation 606, the other end of connecting curved bar 601 and the inner wall of fixed chamber 603 are provided with first spring 604.

In this embodiment, the width of the preformed groove 606 is the same as the width of the connecting bent rod 601, the cross section of the preformed opening 605 is matched with the cross section of the pipeline, and the preformed opening 605 connected with the bent rod 601 is matched with the edge of the floor heating plastic pipe when the mold is opened, so that the floor heating plastic pipe falls off from the male mold 4, and the floor heating plastic pipe is prevented from being demolded along with the male mold 4.

In this embodiment, the fixing groove matched with the top end of the connecting curved rod 601 is formed in the lower surface of the upper template 2, and a closed space is formed between the upper template 2, the lower template 3 and the connecting curved rod 601, and the connecting curved rod 601 is matched with the part of the cavity, so that the manufacturing error of the part connected with the curved rod 601 is reduced.

In this embodiment, cooperation structure 7 includes lifter 701, the welding of lower extreme one side of lifter 701 has connecting rod 702, and lifter 701 and lower bolster 3 sliding connection, the inside guide bar 704 that is provided with in bottom of lifter 701, and the cover is equipped with second spring 705 on the guide bar 704, it has contact block 703 to connect one side welding that is close to lifter 701 on the knee 601, can drive connecting rod 702 and remove when cope match-plate pattern 2 upwards removes, it can not separate with ground heating plastic pipe immediately to connect the knee 601, it begins to rotate to connect the knee 601 after terrace die 4 takes place relative slip with the finished piece, avoid the finished piece along with drawing of patterns together at terrace die 4, and guarantee after cope match-plate pattern 2 and the lower bolster 3 compound dies, it can block in reservation groove 606 to connect the knee 601.

In this embodiment, the top end of the contact block 703 is provided with a chute matched with the connecting rod 702, the end of the connecting rod 702 is slidably connected with the connecting curved rod 601 and the contact block 703, and the contact of the end of the connecting rod 702 with the connecting curved rod 601 can be delayed by the contact block 703, so that the connecting curved rod 601 starts to rotate after the male mold 4 and the workpiece slide relatively.

In this embodiment, the die cavity between cope match-plate pattern 2, lower bolster 3, the lower bolster 3 warms up plastics tubulose for, and 5 bottoms of die are provided with the stationary blade, release the finished piece from die 5 through the stationary blade.

It should be noted that, during mold closing, the upper mold plate 2 and the lower mold plate 3 of the mold base 1 are closed, and the upper mold plate 2 pushes the lifting rod 701 when moving, the connecting rod 702 of the lifting rod 701 moves along the connecting bent rod 601 and contacts with the contact block 703, so that the connecting bent rod 601 rotates around the connecting pin 602 until the connecting bent rod 601 is sent to the reserved groove 606 of the male mold 4, plastic melt is poured to the sprue gate of the mold base 1 through an injection molding machine, then the mold cavities among the male mold 4, the upper mold plate 2 and the lower mold plate 3 are filled, the reserved hole 605 is matched with the mold cavity of the floor heating plastic pipe, after the injection molding, the cooling and mold opening are performed, the upper mold plate 2 and the lower mold plate 3 are separated, at this time, the workpiece is easy to move out from the female mold 5 together with the female mold 4, because the reserved groove 606 connecting the bent rod 601 is fastened with the workpiece to place the workpiece in the female mold 5, when the upper template 2 is separated from the lower template 3, the lifting rod 701 enables the lifting rod 701 to move along the guide rod 704 under the action of the second spring 705, so that the connecting rod 702 moves along the contact block 703, when the connecting rod 702 is contacted with the connecting bent rod 601, the first spring 604 can push the connecting bent rod 601 to rotate, the connecting bent rod 601 can rotate around the connecting pin 602 and can connect the bent rod 601 to separate from a workpiece, the reserved opening 605 of the connecting bent rod 601 is matched with the edge of the floor heating plastic pipe, so that the floor heating plastic pipe falls off from the male die 4, the floor heating plastic pipe is prevented from being demolded along with the male die 4, the workpiece is pushed out from the female die 5 through the fixing sheet welded by the push-out rod of the die, the demolding process is finished, then the die assembly is carried out again for injection molding on the next workpiece, and the floor heating plastic pipe and the middle connecting pipe are mutually welded during laying, thereby laying the floor heating on the ground.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a demoulding structure of injection mold of ground heating plastic tubing which characterized in that: the die comprises a die carrier (1), an upper die plate (2), a lower die plate (3), a male die (4) and a female die (5), wherein the upper die plate (2) and the lower die plate (3) are located in the middle of the die carrier (1), the male die (4) is located in the middle of the lower surface of the upper die plate (2), the female die (5) is located in the middle of the lower die plate (3), a buckling structure (6) and a matching structure (7) are arranged inside the lower die plate (3) and located on two sides of the male die (4), and the matching structure (7) is located on one side of the buckling structure (6);

buckling structure (6) are including fixed chamber (603), the inside in lower bolster (3) is seted up in fixed chamber (603), and fixed chamber (603) are located the both sides of die (5), the inside in fixed chamber (603) is provided with connecting pin (602), and is connected with on connecting pin (602) and connects knee lever (601), and connects the centre and connecting pin (602) swing joint of knee lever (601), the one end of connecting knee lever (601) just is located to be close to terrace die (4) and has seted up reserved mouth (605), the lateral wall of terrace die (4) is seted up and is connected knee lever (601) assorted preformed groove (606), the inner wall of the other end of connecting knee lever (601) and fixed chamber (603) is provided with first spring (604).

2. The demolding structure of the injection mold of the floor heating plastic pipe as set forth in claim 1, wherein: the width of the reserved groove (606) is the same as that of the connecting bent rod (601), and the section of the reserved opening (605) is matched with that of the pipeline.

3. The demolding structure of the injection mold of the floor heating plastic pipe as set forth in claim 2, wherein: the lower surface of the upper template (2) is provided with a fixing groove matched with the top end of the connecting bent rod (601), and a closed space is formed among the upper template (2), the lower template (3) and the connecting bent rod (601).

4. The structure for releasing a mold for injection molding of a floor heating plastic pipe according to claim 1, wherein: cooperation structure (7) include lifter (701), the welding of lower extreme one side of lifter (701) has connecting rod (702), and lifter (701) and lower bolster (3) sliding connection, the inside guide bar (704) that is provided with in bottom of lifter (701), and the cover is equipped with second spring (705) on guide bar (704), it has contact block (703) to connect the welding of one side that is close to lifter (701) on knee (601).

5. The demold structure of an injection mold of a floor heating plastic pipe according to claim 4, wherein: the top end of the contact block (703) is provided with a chute matched with the connecting rod (702), and the end part of the connecting rod (702) is connected with the connecting bent rod (601) and the contact block (703) in a sliding way.

6. The demolding structure of the injection mold of the floor heating plastic pipe as set forth in claim 1, wherein: the cavity between the upper template (2), the lower template (3) and the lower template (3) is in a floor heating plastic tube shape, and a fixing piece is arranged at the bottom end of the female die (5).