Cable protection pipe forming die

The automated demolding process, achieved through a motor-driven ejection assembly and spring structure, combined with a heating assembly and replaceable mold core, solves the problems of low efficiency and unstable quality in manual demolding of existing cable protection pipe molding dies, and realizes an efficient and stable automatic demolding process.

CN223657421UActive Publication Date: 2025-12-12YANTAI YUHENG PIPE IND CO LTD
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Patent Information

Application Number
CN202520091498.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-12
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Existing cable protection pipe molding molds require manual demolding, resulting in low demolding efficiency, unstable product quality, easy product damage, and high scrap rate.

Method used

Employing a motor-driven ejection assembly and spring structure, the demolding of cable protection tubes is automated. Combined with a heating assembly and replaceable mold core design, demolding efficiency and product quality are improved.

Benefits of technology

It achieves efficient and automatic demolding of cable protection pipes, reduces the risk of damage from manual operation, and improves production efficiency and product quality stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dies, and discloses a cable protection pipe forming die which comprises a fixed die cylinder, a heating assembly is arranged in the fixed die cylinder, a connecting block is connected in the fixed die cylinder in a sliding mode, two inserting grooves are formed in the connecting block, a fixed die core is fixedly connected to the outer side of the connecting block, and the fixed die core is fixedly connected with a fixed die core. A fixing assembly is arranged in the fixed mold cylinder, a fixing shell is fixedly connected to the outer side of the fixed mold cylinder, an ejection assembly is arranged in the fixing shell and comprises a motor and a plurality of limiting rods, the outer sides of the limiting rods are fixedly connected to the inner wall of the fixing shell, and the outer side of the motor is fixedly connected to the inner wall of the fixing shell. And the output end of the motor is fixedly connected with a rotating rod. According to the automatic demolding device, through mutual cooperation of the motor, the rotating rod, the cam, the movable plate, the second spring, the ejector pin and other structures, efficient demolding is achieved, manual forced taking is avoided, the product damage risk is reduced, and the demolding efficiency and quality are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mould technical field especially relates to a cable protection tube forming die. BACKGROUND

[0002] The cable protection tube is a kind of pipeline material for protecting cable from mechanical damage, chemical corrosion, damp or other external environment, it is usually made of PVC, PE, steel and other materials, with pressure resistance, corrosion resistance, high temperature resistance and other characteristics, cable protection tube can be used for underground, indoor or outdoor laying, ensure the safe operation of cable, prolong service life, and provide certain insulation performance, widely used in electric power, communication, construction and other industries.

[0003] In prior art, a kind of cable protection tube forming die usually adopts artificial stripping mode, when cable protection tube is formed in the cavity formed by fixed mold core and fixed mold cylinder, worker needs to manually operate to take out the forming product, at this time, worker can only rely on self strength to take out, this not only consumes a lot of manpower and time, stripping efficiency is extremely low, and in the process of taking out, product is damaged due to improper operation, leading to uneven product quality, and the rejection rate increases.

[0004] In view of the above problems, a kind of cable protection tube forming die is proposed to solve the above problems. Utility model content

[0005] In order to make up for the above shortcomings, the utility model provides a kind of cable protection tube forming die, to improve the prior art in a kind of cable protection tube forming die usually adopts artificial stripping mode, when cable protection tube is formed in the cavity formed by fixed mold core and fixed mold cylinder, worker needs to manually operate to take out the forming product, at this time, worker can only rely on self strength to take out, this not only consumes a lot of manpower and time, stripping efficiency is extremely low, and in the process of taking out, product is damaged due to improper operation, leading to uneven product quality, and the rejection rate increases.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of cable protection tube forming die, including fixed mold cylinder, the fixed mold cylinder is internally provided with heating assembly, the fixed mold cylinder is slidably connected with connecting block in, two insertion slots are set in the connecting block, the connecting block is fixedly connected with fixed mold core outside, the fixed mold cylinder is provided with fixed assembly, the fixed mold cylinder is fixedly connected with fixed shell outside, the fixed shell is internally provided with ejector assembly;

[0007] The ejection assembly includes a motor and a plurality of limiting rods, the limiting rods are fixedly connected to the inner wall of the fixed shell, the motor is fixedly connected to the inner wall of the fixed shell, the output end of the motor is fixedly connected with a rotating rod, the rotating rod is fixedly connected with two cams on the outside, the fixed shell is slidably connected with a moving plate on the outside, the moving plate is fixedly connected with a ejector pin on the outside, the ejector pin is sleeved with a spring two on the outside, and the cam and the moving plate abut each other.

[0008] As a further description of the above technical solution:

[0009] The fixed assembly includes two baffles, the baffles are fixedly connected with plug-in blocks on one side, the baffles are fixedly connected with pull rods on the other side, and the pull rods are sleeved with springs one on the outside.

[0010] As a further description of the above technical solution:

[0011] The heating assembly includes a plurality of heating rods, and the heating rods are mounted in the fixed die cylinder.

[0012] As a further description of the above technical solution:

[0013] The ejector pin is slidably connected to the inside of the fixed die cylinder, and the fixed die cylinder is fixedly connected with a plurality of support columns on the outside.

[0014] As a further description of the above technical solution:

[0015] One end of the spring two is fixedly connected to the outside of the moving plate, and the other end of the spring two is fixedly connected to the outside of the fixed die cylinder.

[0016] As a further description of the above technical solution:

[0017] The fixed die cylinder is fixedly connected with an injection port on the outside, and the injection port is fixedly connected to the inside of the fixed shell.

[0018] As a further description of the above technical solution:

[0019] The plug-in block is slidably connected to the inside of the fixed die cylinder on the outside, and the plug-in block is plugged into the inner wall of the plug-in slot on the outside.

[0020] As a further description of the above technical solution:

[0021] One end of the spring one is fixedly connected to the inner wall of the fixed die cylinder, and the other end of the spring one is fixedly connected to the outside of the baffle.

[0022] The utility model has the advantages of:

[0023] 1. The utility model discloses, through motor starting, drive rotating lever rotation degree, two cams on rotating lever follow 90 degrees, promote the mobile board movement, and then compress spring no. 2, under the cooperation of spring no. 2, along with the path of fixed mould cylinder sliding connection to the inside of mould, the cable protection tube after forming is ejected from the cavity that fixed mould core and fixed mould cylinder constitute, realizes efficient stripping, avoids artificial strong to take, reduces product damage risk, promotes stripping efficiency and quality.

[0024] 2. The utility model discloses, through the outward pull draw bar, and draw bar drives baffle movement, and then compress spring no. 1, make the plug -in block of baffle one side from the plug -in groove of connecting block and take out, release the fixed connecting block, at this time, connecting block can slide freely in fixed mould cylinder, take out old fixed mould core along with connecting block no. 1, replace new fixed mould core with suitable connecting block, loosen draw bar, use spring no. 1 to promote baffle and plug -in block movement, until plug -in block is reinserted in plug -in groove, make new fixed mould core fixed in place, realized the quick flexible adjustment of mould, can be quick to change fixed mould core according to different production demand, need not complex dismounting, improve efficiency, guarantee production coherence. ACCURACY OF DRAWINGS

[0025] Figure 1 It is a perspective view of a cable protection pipe forming die proposed by the utility model;

[0026] Figure 2 It is a structure schematic view of the plug -in groove of a cable protection pipe forming die proposed by the utility model;

[0027] Figure 3 It is a structure schematic view of the fixed mould core of a cable protection pipe forming die proposed by the utility model;

[0028] Figure 4 It is Figure 3 The enlarged view of B in the middle;

[0029] Figure 5 It is Figure 3 The enlarged view of A in the middle;

[0030] Figure 6 It is a structure schematic view of spring no. 1 of a cable protection pipe forming die proposed by the utility model.

[0031] LEGEND:

[0032] 1, fixed mould cylinder, 2, support column, 3, heating rod, 4, fixed mould core, 5, connecting block, 6, plug -in block, 7, baffle, 8, spring no. 1, 9, draw bar, 10, plug -in groove, 11, fixed shell, 12, motor, 13, rotating lever, 14, cam, 15, limit rod, 16, mobile board, 17, spring no. 2, 18, thimble, 19, injection port. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] With reference to Figure 1 Figure 6 An embodiment provided by the utility model: a cable protection pipe forming die, including fixed mould cylinder 1, fixed mould cylinder 1 inside is provided with heating assembly, fixed mould cylinder 1 inside is slidably connected with connecting block 5, two plug-in slots 10 are formed in connecting block 5, connecting block 5 outside is fixedly connected with fixed mould core 4, fixed mould cylinder 1 inside is provided with fixed assembly, fixed mould cylinder 1 outside is fixedly connected with fixed shell 11, fixed shell 11 inside is provided with ejection assembly;

[0035] Ejection assembly includes motor 12 and a plurality of limit rods 15, limit rod 15 outside is fixedly connected in fixed shell 11 inner wall, motor 12 outside is fixedly connected in fixed shell 11 inner wall, motor 12 output end is fixedly connected with rotating rod 13, rotating rod 13 outside is fixedly connected with two cams 14, fixed shell 11 outside is slidably connected with moving plate 16, moving plate 16 outside is fixedly connected with thimble 18, thimble 18 outside is equipped with spring two 17, cam 14 and moving plate 16 between each other abut.

[0036] ​Specifically, the inside of the fixed mold cylinder 1 is provided with a heating assembly for uniform heating of the inside of the mold, ensuring that the raw materials can flow and solidify within the appropriate temperature range, the connecting block 5 is used to realize the quick sliding and positioning of the connecting block 5 when the mold is replaced, the plug-in slot 10 is used to be fixedly connected with the fixed mold core 4, thereby maintaining the stability of the fixed mold core 4, the fixed mold core 4 is used to provide the size of the hollow forming area of the mold, to ensure the forming effect of the cable protection tube, the fixing assembly is used to fix the connecting block 5, the fixed shell 11 is used to wrap and protect the fixed mold cylinder 1, and the structural strength of the mold is enhanced; the inside of the fixed shell 11 is provided with an ejection assembly for automatically ejecting the formed cable protection tube, the limiting rod 15 is used to limit the movement range of the ejection assembly to ensure the stability of the ejection action; the motor 12 is used to drive the rotating rod 13 to rotate, thereby driving the ejection action, the rotating rod 13 is used to transmit the rotary motion of the motor 12 to the ejection assembly, the cam 14 is used to drive the moving plate 16 to move during rotation, thereby realizing the ejection operation, the moving plate 16 is used to slide on the sliding track under the driving of the rotating rod 13, realizing the movement and positioning during the ejection process, the ejector pin 18 is used to push the formed cable protection tube out of the mold cavity during the ejection operation, the spring 17 is used to provide the necessary elastic force, so that the ejector pin 18 can smoothly advance during the ejection process, and return to the original position after demolding is completed, the cam 14 and the moving plate 16 abut each other to control the displacement of the moving plate 16.

[0037] With reference to Figure 5 and Figure 6 , the fixing assembly includes two baffles 7, one side of the baffle 7 is fixedly connected with the plug-in block 6, the other side of the baffle 7 is fixedly connected with the pull rod 9, the pull rod 9 is sleeved with the spring 8 on the outside, and the cam 14 and the moving plate 16 abut each other.

[0038] Specifically, the baffle 7 is used to connect or fix with other components, the pull rod 9 is used to pull the baffle 7, and the spring 8 is used to provide elastic force to ensure the stability of the pull rod 9 at a specific position.

[0039] With reference to Figure 1 - Figure 6 , the heating assembly includes a plurality of heating rods 3, the heating rods 3 are installed inside the fixed mold cylinder 1, the ejector pin 18 is slidably connected inside the fixed mold cylinder 1, the fixed mold cylinder 1 is fixedly connected with a plurality of support columns 2 on the outside, one end of the spring 17 is fixedly connected to the outside of the moving plate 16, the other end of the spring 17 is fixedly connected to the outside of the fixed mold cylinder 1, the fixed mold cylinder 1 is fixedly connected with an injection port 19 on the outside, the injection port 19 is fixedly connected inside the fixed shell 11, the plug-in block 6 is slidably connected inside the fixed mold cylinder 1, the plug-in block 6 is plugged into the inner wall of the plug-in slot 10, one end of the spring 8 is fixedly connected to the inner wall of the fixed mold cylinder 1, and the other end of the spring 8 is fixedly connected to the outside of the baffle 7.

[0040] Specifically, the heating rod 3 is used to heat the inside of the fixed mold cylinder 1, ensure temperature control during the molding process, promote the flow and solidification of raw materials; the heating rod 3 is installed on the outside of the fixed mold cylinder 1 inside, used to ensure that the heating rod 3 is in close contact with the surface of the fixed mold cylinder 1, improve the heating efficiency and uniformity, the ejector pin 18 is slidingly connected on the outside of the fixed mold cylinder 1, used to smoothly slide in the fixed mold cylinder 1 during the ejection process, push the molded cable protection tube out of the mold, the support column 2 is used to support and stabilize the structure of the mold cylinder 1, enhance the overall stability of the mold, the spring 17 is used to provide the necessary elastic force to ensure that the moving plate 16 can return to the initial position during the ejection process, avoid the jamming phenomenon, the injection port 19 is used to inject the molding raw materials, ensure that the raw materials can accurately and quickly enter the mold cavity for molding, the injection port 19 is fixedly connected on the inside of the fixed shell 11 to ensure the stability of the injection port 19 under the support of the fixed shell 11, avoid leakage during use, the plug-in block 6 is slidingly connected on the outside of the fixed mold cylinder 1 to make the plug-in block 6 freely slide in the fixed mold cylinder 1, so as to adjust the position of each part of the mold, the plug-in slot 10 is used to ensure the firm connection between the plug-in block 6 and the fixed mold core 4, maintain the stability of the mold, the spring 8 is used to provide the necessary restoring force.

[0041] Working principle: when the fixed mold core 4 needs to be replaced, first pull the pull rod 9 outward, the pull rod 9 drives the baffle 7 to move, and then compresses the spring 8, so that the plug-in block 6 on one side of the baffle 7 is pulled out from the plug-in slot 10 of the connecting block 5, and the connecting block 5 is fixed, at this time, the connecting block 5 can freely slide in the fixed mold cylinder 1, the old fixed mold core 4 is taken out together with the connecting block 5, and the new fixed mold core 4 with the appropriate connecting block 5 is replaced, the pull rod 9 is loosened, and the baffle 7 and the plug-in block are moved by the spring 8, until the plug-in block 6 is reconnected in the plug-in slot 10, so that the new fixed mold core 4 is fixed in place, realizing the quick and flexible adjustment of the mold, which can quickly replace the fixed mold core 4 according to different production needs, without complicated disassembly, improving the efficiency and ensuring the production continuity.

[0042] Then into the forming preparation link, the heating assembly in the fixed mold cylinder 1 starts, multiple heating rods 3 start working, the mold internal space is heated uniformly, the mold temperature is promoted to the interval suitable for the raw material forming, the subsequent raw material injection is guaranteed after the forming effect, when the raw material is injected, the raw material is injected into the mold through the injection port 19 fixedly connected outside the fixed mold cylinder 1, the raw material gradually fills the forming space around the fixed mold core 4, after forming, the motor 12 is started, drives the rotating rod 13 to rotate 90 degrees, the two cams 14 on the rotating rod 13 rotate 90 degrees, drive the moving plate 16 to move, then compress the spring two 17, the ejector pin 18 is pushed into the mold along the sliding connection path with the fixed mold cylinder 1 under the cooperation of the spring two 17, the cable protection pipe after forming is ejected from the cavity formed by the fixed mold core 4 and the fixed mold cylinder 1, realizes efficient demolding, avoids artificial strong taking, reduces the product damage risk, improves the demolding efficiency and quality.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cable protection tube forming die comprising a fixed die cylinder (1), characterised in that: The fixed mould cylinder (1) is internally provided with a heating assembly, the fixed mould cylinder (1) is internally and slidably connected with a connecting block (5), two plug-in grooves (10) are formed in the connecting block (5), the connecting block (5) is fixedly connected with a fixed mould core (4) outside, the fixed mould cylinder (1) is internally provided with a fixing assembly, the fixed mould cylinder (1) is fixedly connected with a fixed shell (11) outside, and the fixed shell (11) is internally provided with an ejection assembly; The ejection assembly comprises a motor (12) and a plurality of limiting rods (15), the limiting rods (15) are fixedly connected to the inner wall of the fixed shell (11) outside, the motor (12) is fixedly connected to the inner wall of the fixed shell (11) outside, the output end of the motor (12) is fixedly connected with a rotating rod (13), the rotating rod (13) is fixedly connected with two cams (14) outside, the fixed shell (11) is slidably connected with a moving plate (16) outside, the moving plate (16) is fixedly connected with a thimble (18) outside, the thimble (18) is sleeved with a spring (17) outside, and the cams (14) and the moving plate (16) abut each other.

2. A cable protection tube forming mould according to claim 1, characterised in that: The fixing assembly comprises two baffles (7), the baffle (7) is fixedly connected with a plug-in block (6) on one side, the baffle (7) is fixedly connected with a pull rod (9) on the other side, and the pull rod (9) is sleeved with a spring (8) outside.

3. A cable protection tube forming mold according to claim 1, characterized in that: The heating assembly comprises a plurality of heating rods (3), and the heating rods (3) are mounted in the fixed mould cylinder (1) outside.

4. A cable protection tube forming mold according to claim 1, characterized in that: The thimble (18) is slidably connected in the fixed mould cylinder (1) outside, and the fixed mould cylinder (1) is fixedly connected with a plurality of supporting columns (2) outside.

5. A cable protection tube forming mold according to claim 1, characterized in that: One end of the spring (17) is fixedly connected to the outer side of the moving plate (16), and the other end of the spring (17) is fixedly connected to the outer side of the fixed mould cylinder (1).

6. A cable protection tube forming mold according to claim 1, characterized in that: The fixed mould cylinder (1) is fixedly connected with an injection port (19) outside, and the injection port (19) is fixedly connected in the fixed shell (11) outside.

7. A cable protection tube forming mold according to claim 2, characterized in that: The plug-in block (6) is slidably connected in the fixed mould cylinder (1) outside, and the plug-in block (6) is plugged in the inner wall of the plug-in groove (10) outside.

8. A cable protection tube forming mold according to claim 2, characterized in that: One end of the spring (8) is fixedly connected to the inner wall of the fixed mould cylinder (1), and the other end of the spring (8) is fixedly connected to the outer side of the baffle (7).