CN210312944U

CN210312944U - Open type partition disc structure of multilayer plastic cable disc convenient for integral injection molding demolding

Info

Publication number: CN210312944U
Application number: CN201921245777.9U
Authority: CN
Inventors: 苟举才
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-14
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses an open type partition structure of a multilayer plastic cable tray convenient for integral injection molding and demolding, which comprises a cylindrical barrel body and a disc-shaped partition body, wherein the upper end and the lower end of the barrel body are horizontally provided with cable tray bodies; the separating disc body is horizontally connected to the side wall of the barrel, an open end face is arranged at the edge of the separating disc body, convex faces and concave faces are arranged on the surface of the separating disc body, the convex faces and the concave faces are sequentially and alternately arranged on the surface of the separating disc body, the convex faces protrude from one surface of the separating disc body and are recessed into the other surface of the separating disc body, the concave faces are recessed from one surface of the separating disc body and protrude from the other surface of the separating disc body, and the extending directions of the convex faces and the concave faces are the same along the die opening direction of the cable disc; the separating disc body is provided with a threading groove. The utility model discloses an open structural design in border adopts the strengthening rib structure with mould die sinking direction, and adopts the design of the low gradual change formula thickness in center height border, has realized the whole injection moulding of multilayer cable dish effectively, when strengthening the partition dish and supporting intensity, reduces production material and cost.

Description

Open type partition disc structure of multilayer plastic cable disc convenient for integral injection molding demolding

Technical Field

The utility model relates to a plastics field indicates an open partition structure of multilayer plastic cable dish convenient to whole injection moulding demolding very much.

Background

The cable reel is used for machine cabling, turnover and the like of electric wires and cables at the earliest, the application field of the cable reel is gradually expanded along with the development of various industries, but the cable reel is mainly used for packaging containers of corresponding products, and the cable reel becomes an indispensable matched product for winding and storing wires, cables and the like. With the development of the plastic industry, the strength and hardness of plastics are generally improved, so that the plastic wire coil gradually becomes a mainstream wire coil structure due to light weight and high strength.

The cable reel made of plastic is widely applied at present, the manufacturing process of the plastic cable reel comprises multiple manufacturing processes, the most common manufacturing process at present is integrated injection molding, namely, a mold structure designed in advance according to a product structure is utilized through a plastic injection molding process, plastic fluid in a fluid state is injected into the mold, and the cable reel with an integrated structure is formed after cooling molding.

The plastic cable drum comprises a single-layer structure or a multi-layer structure, and the plastic cable drum with the multi-layer structure is increasingly widely used, and generally, a partition disc is fixed on the outer wall of a cylinder body of the cable drum, and a winding space of the cable drum is divided into two independent winding spaces through the partition disc. In traditional plastic cable dish, in order to compromise intensity and save material, the quotation of partition disc is equipped with radial and annular strengthening rib mostly, and the dish is along all being provided with the closed muscle ring of round moreover, in multilayer cable dish, is located the partition disc of intermediate position, because of its special position, it adds the muscle and can not the direct forming, so current multilayer cable dish adopts the mode of multicomponent equipment mostly, the process extension, consuming time and wasting power, inefficiency, and the equipment quality has certain hidden danger. Therefore, the plastic cable drum with a multi-layer structure needs to be improved and designed for the separation drum body so as to be suitable for the processing technology of direct injection molding.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, provide one kind and adopt border open structural design, adopt with the strengthening rib structure of mould die sinking direction, and adopt the low gradual change formula thickness design in high border in center, realized the injection moulding of multilayer cable dish effectively, when strengthening the partition dish and supporting intensity, reduced the open partition dish structure of the whole injection moulding of being convenient for of production material and cost goes out the multilayer plastic cable dish of mould effectively.

The utility model adopts the following technical scheme: an open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body and a disc-shaped partition disc body, wherein the upper end and the lower end of the cylinder body are horizontally provided with wire disc bodies, and a winding space is formed between the two wire disc bodies; the partition disc body is horizontally connected to the side wall of the barrel body and positioned between the two line disc bodies to divide the winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body is provided with an open end face, the surface of the partition disc body is provided with convex faces and concave faces, the convex faces and the concave faces are sequentially and alternately arranged on the surface of the partition disc body, the convex faces protrude out of one surface of the partition disc body and are recessed into the other surface of the partition disc body, the concave faces are recessed from one surface of the partition disc body and protrude out of the other surface of the partition disc body, and the extending directions of the convex faces and the concave faces are the same along the mold opening direction of; the wire separating plate body is provided with a wire passing groove which is vertically communicated with the wire separating plate body so that the cable wound in the independent wire winding space can pass through the wire separating plate body.

Preferably, the partition disc body is of a circular ring-shaped structure, and the inner ring of the partition disc body is integrally connected to the outer side wall of the cylinder body.

Preferably, the thickness of the inner ring of the partition disk body is larger than that of the outer ring of the partition disk body.

An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body and a disc-shaped partition disc body, wherein the upper end and the lower end of the cylinder body are horizontally provided with wire disc bodies, and a winding space is formed between the two wire disc bodies; the partition disc body is horizontally connected to the side wall of the barrel body and positioned between the two line disc bodies to divide the winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body is provided with an open end face, and the surface of the partition disc body is of a planar structure; the separating disc body is provided with a threading groove which vertically penetrates through the separating disc body so that a cable wound in the independent winding space can pass through the threading groove; a transitional cambered surface structure is arranged at the joint of the two sides of the threading groove and the barrel; the separating disc body is of a circular ring-shaped structure, the inner ring of the separating disc body is integrally connected to the outer side wall of the barrel, and the thickness of the inner ring of the separating disc body is larger than that of the outer ring of the separating disc body.

An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body and a disc-shaped partition disc body, wherein the upper end and the lower end of the cylinder body are horizontally provided with wire disc bodies, and a winding space is formed between the two wire disc bodies; the partition disc body is horizontally connected to the side wall of the barrel body and located between the two line disc bodies, the winding space is divided into an upper independent winding space and a lower independent winding space, an open end face is arranged at the edge of the partition disc body, a protruding portion and a recessed portion are arranged on the surface of the partition disc body, the protruding portion and the recessed portion are sequentially and alternately arranged on the upper surface of the partition disc body, the convex surface and the concave surface are respectively upwards protruded and downwards recessed on the upper surface of the partition disc body, and the extending directions of the convex surface and the concave surface are the same along the mold opening direction of the cable disc; the lower surface of the partition tray body is of a plane structure; the wire separating plate body is provided with a wire passing groove which is vertically communicated with the wire separating plate body so that the cable wound in the independent wire winding space can pass through the wire separating plate body.

Preferably, the partition disc body is of a circular ring-shaped structure, and the inner ring of the partition disc body is integrally connected to the outer side wall of the cylinder body; the thickness of the inner ring of the separating disc body is larger than that of the outer ring of the separating disc body.

An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body and a disc-shaped partition disc body, wherein the upper end and the lower end of the cylinder body are horizontally provided with wire disc bodies, and a winding space is formed between the two wire disc bodies; the partition disc body is horizontally connected to the side wall of the barrel body and positioned between the two line disc bodies to divide the winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body is provided with an open end face, and the surface of the partition disc body is of a planar structure; at least two groove bodies are arranged on the separating disc body at intervals, penetrate through the separating disc body up and down and are arranged at intervals along the circumferential direction of the separating disc body so as to reduce molding materials; the wire separating plate body is provided with a wire passing groove which is vertically communicated with the wire separating plate body so that the cable wound in the independent wire winding space can pass through the wire separating plate body.

Preferably, the separating disc body is of a circular ring-shaped structure, the inner ring of the separating disc body is integrally connected to the outer side wall of the cylinder body, and the thickness of the inner ring of the separating disc body is larger than that of the outer ring of the separating disc body.

An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body and a disc-shaped partition disc body, wherein the upper end and the lower end of the cylinder body are horizontally provided with wire disc bodies, and a winding space is formed between the two wire disc bodies; the partition disc body is horizontally connected to the side wall of the barrel body and positioned between the two line disc bodies to divide the winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body is provided with an open end face, and the upper surface and the lower surface of the partition disc body are of a planar structure; the middle part of the partition tray body is provided with a partition space, a support strip is arranged in the partition space and props against the upper surface and the lower surface of the partition space so as to be supported, and the extending direction of the support strip is the same as the mold stripping direction of the mold; the wire separating plate body is provided with a wire passing groove which is vertically communicated with the wire separating plate body so that the cable wound in the independent wire winding space can pass through the wire separating plate body.

The beneficial effects of the utility model reside in that:

the utility model discloses defect and not enough to prior art exist carry out the improved generation innovation, designed one kind and adopted the border open structural design, adopt with the strengthening rib structure of mould die sinking direction, and adopt the design of the low gradual change formula thickness in high border in center, realized the injection moulding of multilayer cable dish effectively, when strengthening the partition dish and supporting intensity, reduced the open partition dish structure of the multilayer plastic cable dish of the whole injection moulding demolding of being convenient for of production material and cost effectively. Specifically, the method comprises the following steps:

1. the disc edge of the partition disc of the multilayer-structure plastic cable disc in the patent cancels a closed rib ring, and the edge is open; the interference of the mold opening movement of the mold in the injection molding process is avoided;

2. the reinforcing ribs of the partition disc of the plastic cable disc are not in pure radial and annular directions, but are arranged in the die opening direction of the forming die, and the extending direction of the reinforcing ribs is consistent with the moving direction of the module in die opening; the injection molding of the multilayer cable tray is effectively ensured and realized;

3. the partition disc of the plastic cable disc is non-uniform in thickness, the height of the reinforcing ribs of the partition disc is designed to be a gradual-changing structure with high center and low edges, and the thickness of the partition disc substrate is also designed to be a mode with thick center and thin edges; while the supporting strength is ensured, the injection molding materials are effectively reduced, and the production cost is reduced;

4. because the partition plate border is open in this patent, and the strengthening rib sets up along the module direction that opens and shuts and can directly demolding for the production can once only be accomplished in the shaping with upper and lower chassis to the partition plate, saves the manual work, saves man-hour, and the quality is more secure.

In addition, the utility model adopts the structural design of convex surface and concave surface or the structural design of convex part and concave part on the upper and lower surfaces of the partition plate body to replace the traditional partition plate reinforcing rib structure, and utilizes the structure of convex surface and concave surface or the structure of convex part and concave part to effectively improve the supporting strength of the partition plate body; meanwhile, the extension direction of the convex surface structure and the concave surface structure or the extension direction of the convex part structure and the concave part structure is consistent with the mold opening movement direction of the injection mold and extends to the open end face of the edge of the partition plate so as to prevent the interference of the mold movement in the injection molding process. Additionally, the utility model discloses a with the structure that the partition plate design has the interlayer space for inside, support through the inside support bar in interlayer space and strengthen, and the extending direction of support bar is unanimous with the die sinking direction of motion of mould to prevent to interfere the mould motion among the injection moulding process. Additionally, the utility model discloses a reduce the material consumption when moulding plastics, still can have seted up a plurality of cell bodies on separating the disk body, link up through the cell body and separate disk body structural design, reduced effectively and moulded plastics the in-process and separated disk body material consumption of moulding plastics, effective reduction in production cost.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.

Fig. 2 is a second schematic perspective view of embodiment 1 of the present invention.

Fig. 3 is a front view of embodiment 1 of the present invention.

Fig. 4 is a schematic perspective view of embodiment 2 of the present invention.

Fig. 5 is a second schematic perspective view of embodiment 2 of the present invention.

Fig. 6 is a front view of embodiment 2 of the present invention.

Fig. 7 is a schematic perspective view of embodiment 3 of the present invention.

Fig. 8 is a second schematic perspective view of embodiment 3 of the present invention.

Fig. 9 is a front view of embodiment 3 of the present invention.

Fig. 10 is a second perspective view of embodiment 4 of the present invention.

Fig. 11 is a schematic perspective view of embodiment 4 of the present invention.

Fig. 12 is a front view of embodiment 4 of the present invention.

Fig. 13 is a schematic perspective view of embodiment 5 of the present invention.

Fig. 14 is a second perspective view of embodiment 5 of the present invention.

Fig. 15 is a third schematic perspective view of embodiment 5 of the present invention.

Fig. 16 is a front view of embodiment 5 of the present invention.

Fig. 17 is a perspective view of embodiment 5 of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

example 1: as shown in fig. 1 to 3, an open type partition structure of a multilayer plastic cable tray convenient for integral injection molding and demolding comprises a cylindrical barrel body 1 and a disc-shaped partition body 2, wherein the upper end and the lower end of the barrel body 1 are horizontally provided with wire tray bodies, and a winding space is formed between the two wire tray bodies; the partition disc body 2 is horizontally connected to the side wall of the barrel body 1 and positioned between the two line disc bodies to divide a winding space into an upper independent winding space and a lower independent winding space, an open end face 3 is arranged at the edge of the partition disc body 2, convex faces 4 and concave faces 5 are arranged on the surface of the partition disc body 2, the convex faces 4 and the concave faces 5 are sequentially and alternately arranged on the surface of the partition disc body 2, the convex faces 4 protrude from one surface of the partition disc body 2 and are recessed into the other surface of the partition disc body 2, the concave faces 5 are recessed from one surface of the partition disc body 2 and protrude from the other surface of the partition disc body 2, and the extending directions of the convex faces 4 and the concave faces 5 are the same along the mold opening direction of the cable disc; the separation disc body 2 is provided with a threading groove 6, and the threading groove 6 penetrates through the separation disc body 2 from top to bottom so that a cable wound in an independent winding space can pass through the separation disc body.

The separating disc body 2 is of a circular ring-shaped structure, and the inner ring of the separating disc body 2 is integrally connected to the outer side wall of the cylinder body 1.

The inner ring thickness h1 of the diaphragm body 2 is greater than the outer ring thickness h2 of the diaphragm body 2.

Further, the utility model discloses an adopt border open structural design, adopt with the strengthening rib structure of mould die sinking direction, and adopt the design of the low gradual change formula thickness in high border in center, realized the injection moulding of multilayer cable dish effectively, when strengthening the partition dish and supporting intensity, reduced the open partition dish structure of the multilayer plastic cable dish of the whole injection moulding of being convenient for demolding of production material and cost effectively. Specifically, the method comprises the following steps:

In addition, in the embodiment, the upper surface and the lower surface of the partition plate body are designed to be of a convex surface and a concave surface structure, so that the traditional partition plate reinforcing rib structure is replaced, and the supporting strength of the partition plate body is effectively improved by utilizing the convex surface and the concave surface structure; meanwhile, the extension direction of the convex surface structure and the concave surface structure is consistent with the mold opening movement direction of the injection mold and extends to the open end surface of the edge of the partition plate so as to prevent the interference of the mold movement in the injection molding process.

Example 2: as shown in fig. 4 to 6, in order to implement embodiment 2 of the present invention, an open type partition structure of a multilayer plastic cable tray for facilitating integral injection molding and demolding comprises a cylindrical barrel 1 and a disc-shaped partition body 2, wherein the upper and lower ends of the barrel 1 are horizontally provided with cable tray bodies, and a winding space is formed between the two cable tray bodies; the partition disc body 2 is horizontally connected to the side wall of the cylinder body 1 and positioned between the two line disc bodies to divide a winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body 2 is provided with an open end face 3, and the surface of the partition disc body 2 is of a planar structure; the separating disc body 2 is provided with a threading groove 6, and the threading groove 6 penetrates through the separating disc body 2 up and down so that a cable wound in an independent winding space can pass through the threading groove; a transitional cambered surface structure is arranged at the joint of the two sides of the threading groove 6 and the barrel body 1; the partition tray body 2 is of a circular ring-shaped structure, the inner ring of the partition tray body 2 is integrally connected to the outer side wall of the barrel body 1, and the thickness h1 of the inner ring of the partition tray body 2 is larger than the thickness h2 of the outer ring of the partition tray body 2.

Further, the present embodiment is different from embodiment 1 in that the partition plate of the present embodiment adopts a design in which the upper and lower surfaces are planar structures, and meanwhile, the thickness of the partition plate adopts a gradual change structure, and the thickness of the central portion (i.e., the inner ring) of the partition plate is greater than that of the edge portion (i.e., the outer ring) of the partition plate, so as to save the injection molding material and reduce the production cost on the premise of ensuring the supporting strength of the partition plate.

Example 3: as shown in fig. 7 to 9, in order to implement embodiment 3 of the present invention, an open type partition structure of a multilayer plastic cable tray for facilitating integral injection molding and demolding comprises a cylindrical barrel 1 and a disc-shaped partition body 2, wherein the upper and lower ends of the barrel 1 are horizontally provided with cable tray bodies, and a winding space is formed between the two cable tray bodies; the partition disc body 2 is horizontally connected to the side wall of the barrel body 1 and located between the two line disc bodies, the winding space is divided into an upper independent winding space and a lower independent winding space, the edge of the partition disc body 2 is provided with an open end face 3, the surface of the partition disc body 2 is provided with a convex part 7 and a concave part 8, the convex part 7 and the concave part 8 are sequentially and alternately arranged on the upper surface of the partition disc body 2, the convex part 7 and the concave part 8 are respectively upwards convex and downwards concave on the upper surface of the partition disc body 2, and the extending directions of the convex part 7 and the concave part 8 are the same along the mold opening direction of the cable disc; the lower surface of the partition tray body 2 is of a plane structure; the separation disc body 2 is provided with a threading groove 6, and the threading groove 6 penetrates through the separation disc body 2 from top to bottom so that a cable wound in an independent winding space can pass through the separation disc body.

The partition disc body 2 is of a circular structure, and the inner ring of the partition disc body 2 is integrally connected to the outer side wall of the cylinder body 1; the inner ring thickness h1 of the partition plate body 2 is larger than the outer ring thickness h2 of the partition plate body 2.

Further, the difference between the embodiment and embodiment 1 is that only the convex portions and the concave portions are alternately arranged on the upper surface of the partition plate body in sequence, and the convex surfaces and the concave surfaces in embodiment 1 are replaced by the convex portions and the concave portions, so that the effect of the reinforcing ribs is realized, and the supporting strength of the partition plate is effectively improved; meanwhile, the bottom surface of the partition tray body is directly arranged to be a planar structure, compared with embodiment 1, the injection molding material is less, the cost is lower, and the supporting strength is slightly lower than that of embodiment 1.

Example 4: as shown in fig. 10 to 12, in order to implement embodiment 4 of the present invention, an open type partition structure of a multilayer plastic cable tray for facilitating integral injection molding and demolding comprises a cylindrical barrel 1 and a disc-shaped partition body 2, wherein the upper and lower ends of the barrel 1 are horizontally provided with cable tray bodies, and a winding space is formed between the two cable tray bodies; the partition disc body 2 is horizontally connected to the side wall of the cylinder body 1 and positioned between the two line disc bodies to divide a winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body 2 is provided with an open end face 3, and the surface of the partition disc body 2 is of a planar structure; at least two groove bodies 10 are arranged on the partition plate body 2 at intervals, the groove bodies 10 penetrate through the partition plate body 2 from top to bottom and are arranged at intervals along the circumferential direction of the partition plate body 2 so as to reduce molding materials; the separation disc body 2 is provided with a threading groove 6, and the threading groove 6 penetrates through the separation disc body 2 from top to bottom so that a cable wound in an independent winding space can pass through the separation disc body.

The partition tray body 2 is of a circular ring-shaped structure, the inner ring of the partition tray body 2 is integrally connected to the outer side wall of the barrel body 1, and the inner ring thickness h1 of the partition tray body 2 is larger than the outer ring thickness h2 of the partition tray body 2.

Further, this embodiment is similar to embodiment 2, and the upper and lower surface also adopts the partition plate body of planar structure design, and the thickness of partition plate body also adopts the design of gradual change formula structure, and the difference with embodiment 2 lies in, this embodiment still sets up a plurality of cell bodies that link up from top to bottom on separating the disk body for this embodiment compares in embodiment 2 and can effectively reduce the material of moulding plastics, reduction in production cost, but the support intensity is slightly lower than embodiment 2.

Example 5: as shown in fig. 13 to 17, in order to implement embodiment 5 of the present invention, an open type partition structure of a multilayer plastic cable tray for facilitating integral injection molding and demolding comprises a cylindrical barrel 1 and a disc-shaped partition body 2, wherein the upper and lower ends of the barrel 1 are horizontally provided with cable tray bodies, and a winding space is formed between the two cable tray bodies; the partition disc body 2 is horizontally connected to the side wall of the cylinder body 1 and positioned between the two line disc bodies to divide a winding space into an upper independent winding space and a lower independent winding space, the edge of the partition disc body 2 is provided with an open end face 3, and the upper surface and the lower surface of the partition disc body 2 are of a planar structure; an interlayer space 11 is arranged in the middle of the interlayer disc body 2, a supporting strip 12 is arranged in the interlayer space 11, the supporting strip 12 props against the upper surface and the lower surface of the interlayer space 11 so as to be supported, and the extending direction of the supporting strip 12 is the same as the mold stripping direction of the mold; the separation disc body 2 is provided with a threading groove 6, and the threading groove 6 penetrates through the separation disc body 2 from top to bottom so that a cable wound in an independent winding space can pass through the separation disc body.

Further, the present embodiment is the same as embodiment 2 in that the upper and lower surfaces of the present embodiment are both provided with the partition plate body designed in a planar structure, and the thickness of the partition plate body is also designed in a gradual change structure; the difference between the present embodiment and embodiment 2 is that the partition plate body of the present embodiment is internally provided with an interlayer space, and a support bar structure is arranged in the interlayer space, and the support bar can be used for assisting the interlayer space support; compared with the structure of the embodiment 2, the structure effectively reduces the injection molding materials, and the supporting strength is slightly smaller than that of the embodiment 2.

The embodiments of the present invention are only for describing the specific implementation thereof, and are not limited to the scope of protection thereof. The present invention is not limited to the above embodiments, but can be modified in various ways without departing from the scope of the present invention.

Claims

1. An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body (1) and a disc-shaped partition disc body (2), wherein the upper end and the lower end of the cylinder body (1) are horizontally provided with the wire disc body, and a winding space is formed between the two wire disc bodies; above-mentioned separate disk body (2) horizontal connection on the lateral wall of barrel (1) to be located between two line disk bodies, be two independent wire winding spaces about with wire winding space separation, its characterized in that: the edge of the separation disc body (2) is provided with an open end face (3), the surface of the separation disc body (2) is provided with convex faces (4) and concave faces (5), the convex faces (4) and the concave faces (5) are sequentially and alternately arranged on the surface of the separation disc body (2), the convex faces (4) protrude from one surface of the separation disc body (2) and are recessed into the other surface of the separation disc body (2), the concave faces (5) are recessed from one surface of the separation disc body (2) and protrude from the other surface of the separation disc body (2), and the extension directions of the convex faces (4) and the concave faces (5) are the same along the die opening direction of the cable disc; the separating disc body (2) is provided with a threading groove (6), and the threading groove (6) penetrates through the separating disc body (2) up and down so that cables wound in the independent winding space can pass through the threading groove.

2. The open type partition structure of the multi-layer plastic cable tray convenient for integral injection molding and demolding as claimed in claim 1, wherein: the partition disc body (2) is of a circular ring-shaped structure, and the inner ring of the partition disc body (2) is integrally connected to the outer side wall of the cylinder body (1).

3. The open type partition structure of the multi-layer plastic cable tray convenient for integral injection molding and demolding as claimed in claim 2, wherein: the thickness (h 1) of the inner ring of the partition plate body (2) is larger than the thickness (h 2) of the outer ring of the partition plate body (2).

4. An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body (1) and a disc-shaped partition disc body (2), wherein the upper end and the lower end of the cylinder body (1) are horizontally provided with the wire disc body, and a winding space is formed between the two wire disc bodies; above-mentioned separate disk body (2) horizontal connection on the lateral wall of barrel (1) to be located between two line disk bodies, be two independent wire winding spaces about with wire winding space separation, its characterized in that: the edge of the partition plate body (2) is provided with an open end face (3), and the surface of the partition plate body (2) is of a plane structure; the separating disc body (2) is provided with a threading groove (6), and the threading groove (6) penetrates through the separating disc body (2) up and down so that cables wound in the independent winding space can pass through the threading groove; a transitional cambered surface structure is arranged at the joint of the two sides of the threading groove (6) and the barrel body (1); the partition plate body (2) is of a circular structure, the inner ring of the partition plate body (2) is integrally connected to the outer side wall of the barrel body (1), and the thickness (h 1) of the inner ring of the partition plate body (2) is larger than the thickness (h 2) of the outer ring of the partition plate body (2).

5. An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body (1) and a disc-shaped partition disc body (2), wherein the upper end and the lower end of the cylinder body (1) are horizontally provided with the wire disc body, and a winding space is formed between the two wire disc bodies; above-mentioned separate disk body (2) horizontal connection on the lateral wall of barrel (1) to be located between two line disk bodies, be two independent wire winding spaces about with wire winding space separation, its characterized in that: the edge of the separation disc body (2) is provided with an open end face (3), the surface of the separation disc body (2) is provided with a convex part (7) and a concave part (8), the convex part (7) and the concave part (8) are sequentially and alternately arranged on the upper surface of the separation disc body (2), the convex surface (4) and the concave surface (5) are respectively upwards convex and downwards concave on the upper surface of the separation disc body (2), and the extending directions of the convex surface (4) and the concave surface (5) are the same along the mold opening direction of the cable disc; the lower surface of the partition tray body (2) is of a plane structure; the separating disc body (2) is provided with a threading groove (6), and the threading groove (6) penetrates through the separating disc body (2) up and down so that cables wound in the independent winding space can pass through the threading groove.

6. The open type partition structure of the multi-layer plastic cable tray convenient for integral injection molding and demolding as claimed in claim 5, wherein: the partition disc body (2) is of a circular structure, and the inner ring of the partition disc body (2) is integrally connected to the outer side wall of the cylinder body (1); the thickness (h 1) of the inner ring of the partition plate body (2) is larger than the thickness (h 2) of the outer ring of the partition plate body (2).

7. An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body (1) and a disc-shaped partition disc body (2), wherein the upper end and the lower end of the cylinder body (1) are horizontally provided with the wire disc body, and a winding space is formed between the two wire disc bodies; above-mentioned separate disk body (2) horizontal connection on the lateral wall of barrel (1) to be located between two line disk bodies, be two independent wire winding spaces about with wire winding space separation, its characterized in that: the edge of the partition plate body (2) is provided with an open end face (3), and the surface of the partition plate body (2) is of a plane structure; at least two groove bodies (10) are arranged on the separating tray body (2) at intervals, the groove bodies (10) penetrate through the separating tray body (2) up and down and are arranged at intervals along the circumferential direction of the separating tray body (2) so as to reduce molding materials; the separating disc body (2) is provided with a threading groove (6), and the threading groove (6) penetrates through the separating disc body (2) up and down so that cables wound in the independent winding space can pass through the threading groove.

8. The open type partition structure of the multi-layer plastic cable tray convenient for integral injection molding and demolding as claimed in claim 7, wherein: the separating disc body (2) is of a circular ring-shaped structure, the inner ring of the separating disc body (2) is integrally connected to the outer side wall of the cylinder body (1), and the thickness (h 1) of the inner ring of the separating disc body (2) is larger than the thickness (h 2) of the outer ring of the separating disc body (2).

9. An open type partition disc structure of a multilayer plastic cable disc convenient for integral injection molding and demolding comprises a cylindrical cylinder body (1) and a disc-shaped partition disc body (2), wherein the upper end and the lower end of the cylinder body (1) are horizontally provided with the wire disc body, and a winding space is formed between the two wire disc bodies; above-mentioned separate disk body (2) horizontal connection on the lateral wall of barrel (1) to be located between two line disk bodies, be two independent wire winding spaces about with wire winding space separation, its characterized in that: the edge of the partition plate body (2) is provided with an open end face (3), and the upper surface and the lower surface of the partition plate body (2) are of a plane structure; an interlayer space (11) is arranged in the middle of the interlayer disc body (2), a supporting strip (12) is arranged in the interlayer space (11), the supporting strip (12) abuts against the upper surface and the lower surface of the interlayer space (11) so as to be supported, and the extending direction of the supporting strip (12) is the same as the mold stripping direction of the mold; the separating disc body (2) is provided with a threading groove (6), and the threading groove (6) penetrates through the separating disc body (2) up and down so that cables wound in the independent winding space can pass through the threading groove.

10. The open type partition structure of the multi-layer plastic cable tray convenient for integral injection molding and demolding as claimed in claim 9, wherein: the separating disc body (2) is of a circular ring-shaped structure, the inner ring of the separating disc body (2) is integrally connected to the outer side wall of the cylinder body (1), and the thickness (h 1) of the inner ring of the separating disc body (2) is larger than the thickness (h 2) of the outer ring of the separating disc body (2).