Web member inner core for supporting opening and closing mold

Abstract

The utility model relates to the technical field of opening-closing type winding dies, in particular to a web member inner core for supporting an opening-closing die, which is characterized in that when the web member inner core is used, the left end of an inner core shaft component is inserted from the right end of a glass fiber reinforced plastic cylinder, so that the inner core shaft component penetrates through the glass fiber reinforced plastic cylinder, and a gap opening on the glass fiber reinforced plastic cylinder is opened; after winding is completed, the inner core shaft assembly is separated from the glass fiber reinforced plastic cylinder, so that a gap opening in the glass fiber reinforced plastic cylinder is closed, the product wound on the glass fiber reinforced plastic cylinder is conveniently separated from the glass fiber reinforced plastic cylinder, surface friction force is changed into linear friction force through the triangular inner core shaft assembly, and axial tension is effectively reduced; the expansion and contraction process is simple and time-saving; comprising a glass fiber reinforced plastic cylinder and a gap opening, the gap opening is formed in the glass fiber reinforced plastic cylinder, the glass fiber reinforced plastic cylinder is in a hollow circular truncated cone shape, and the inner mandrel assembly is triangular and detachably arranged on the inner side of the glass fiber reinforced plastic cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of an opening and closing type winding mold, in particular to a web rod inner core supporting the opening and closing mold. Background Art

[0002] The wedge-shaped expansion and contraction opening and closing winding mold is a hollow cone-shaped mold with a slit opening. The mold is generally opened and closed by the axial movement of the cone-shaped inner core. When the mold needs to be wound, the inner core shaft is inserted into the mold to expand the slit opening, so that the mold can wrap the product. After the winding is completed, the inner core shaft is pulled out from the mold to close the slit opening, thereby separating the wound product from the mold.

[0003] During use, it was found that since the outer surface of the conical inner shaft was completely in contact with the inner surface of the mold, the friction was large, resulting in a large axial pull and a long labor time for assembly and disassembly, which also increased the friction loss between the mold and the inner shaft. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a web rod inner core supporting an opening and closing mold, which reduces friction resistance.

[0005] The utility model provides an inner core of a web rod supporting an opening and closing mold, comprising a glass fiber reinforced plastic cylinder and a slit opening, wherein the glass fiber reinforced plastic cylinder is provided with a slit opening, and the glass fiber reinforced plastic cylinder is in the shape of a hollow cone, and further comprising an inner core shaft assembly, wherein the inner core shaft assembly is triangular, and the inner core shaft assembly is detachably arranged on the inner side of the glass fiber reinforced plastic cylinder; when in use, the left end of the inner core shaft assembly is operated to be inserted from the right end of the glass fiber reinforced plastic cylinder, so that the inner core shaft assembly passes through the glass fiber reinforced plastic cylinder, thereby opening the slit opening on the glass fiber reinforced plastic cylinder, and then the glass fiber reinforced plastic cylinder is operated to wind the product, and after winding is completed, the inner core shaft assembly is separated from the glass fiber reinforced plastic cylinder, thereby closing the slit opening on the glass fiber reinforced plastic cylinder, so that the product wound on the glass fiber reinforced plastic cylinder is separated from the glass fiber reinforced plastic cylinder, and the triangular inner core shaft assembly is used to convert surface friction into line friction, effectively reducing axial tension, making the expansion and contraction process simple and time-saving.

[0006] Preferably, the inner core shaft assembly includes a web, a No. 1 supporting rib, a No. 2 supporting rib, a large end output shaft, a small end output shaft and a reinforcement piece, the number of the webs is three groups, a No. 1 supporting rib is provided between the right ends of the three groups of webs, a large end output shaft is provided on the No. 1 supporting rib, a No. 2 supporting rib is provided between the left ends of the three groups of webs, a small end output shaft is provided on the No. 2 supporting rib, reinforcement pieces are provided between the three groups of webs, and a drawing die assembly is detachably provided on the small end output shaft; when in use, the small end output shaft is detached Insert it from the right end of the FRP cylinder, and the left end of the small end shaft passes through the left side of the FRP cylinder. The outer walls of the three groups of webs respectively tighten the inner wall of the FRP cylinder. Then assemble the drawing die assembly with the small end shaft, so that the drawing die assembly pulls the small end shaft to the left while pushing the FRP cylinder to the right, so that the three groups of webs completely enter the interior of the FRP cylinder and the gap is opened. The outer walls of the three groups of webs and the inner wall of the FRP cylinder are changed from surface friction to line friction, which reduces friction resistance and reduces axial resistance.

[0007] Preferably, the drawing die assembly includes a pressure plate and a nut, the small end output shaft is provided with an external threaded portion, the pressure plate is provided with a circular hole, and the nut is threadedly connected to the external threaded portion; when the small end output shaft passes through the glass fiber reinforced plastic cylinder, the outer walls of the three groups of webs are in frictional contact with the inside of the glass fiber reinforced plastic cylinder, and then the pressure plate is put on the small end output shaft, and then the nut is threadedly connected to the external threaded portion of the small end output shaft, and then the nut is rotated, and the nut moves to the right with the cooperation of the external threaded portion, so that the nut drives the pressure plate to move to the right, and the nut pushes the glass fiber reinforced plastic cylinder to the right, so that the three groups of webs are completely inside the glass fiber reinforced plastic cylinder, thereby opening the gap and improving the convenience of operation.

[0008] Preferably, the reinforcement member is a reinforcing steel bar, and reinforcing steel bars are arranged between the three groups of webs; the reinforcing steel bars reinforce the three groups of webs to prevent deformation when the outer walls of the three groups of webs are in frictional contact with the inner wall of the fiberglass cylinder, thereby improving the service life.

[0009] Preferably, it further includes reinforcing ribs, and multiple groups of reinforcing ribs are arranged between the three groups of web members; the multiple groups of reinforcing ribs cooperate with each other to reinforce the three groups of web members and reduce deformation.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: when in use, the left end of the inner core shaft assembly is operated to be inserted from the right end of the FRP cylinder, so that the inner core shaft assembly passes through the FRP cylinder, thereby opening the slit on the FRP cylinder, and then the FRP cylinder is operated to wind the product. After the winding is completed, the inner core shaft assembly is separated from the FRP cylinder, thereby closing the slit on the FRP cylinder, making it easier to separate the product wound on the FRP cylinder from the FRP cylinder. The triangular inner core shaft assembly is used to convert surface friction into line friction, effectively reducing axial tension and making the expansion and contraction process simple and time-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is an axonometric structural diagram of the present utility model;

[0012] Figure 2 yes Figure 1 A partial enlarged structural diagram of the middle part;

[0013] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0014] Figure 4 yes Figure 3 A schematic diagram of the partially enlarged structure of part B in the middle;

[0015] Figure 5 yes Figure 3 Schematic diagram of the partially enlarged structure of part C in the middle.

[0016] Markings in the attached figure: 1. FRP cylinder; 2. Slit opening; 3. Web member; 4. Support rib No. 1; 5. Support rib No. 2; 6. Large end shaft; 7. Small end shaft; 8. Pressure plate; 9. Nut; 10. Reinforcement steel bar; 11. Reinforcement rib. DETAILED DESCRIPTION

[0017] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0018] Example 1

[0019] like Figure 1 and Figure 3 As shown, the utility model is a web rod inner core supporting an opening and closing mold, comprising a glass fiber reinforced plastic cylinder 1 and a slit opening 2. The glass fiber reinforced plastic cylinder 1 is provided with a slit opening 2. The glass fiber reinforced plastic cylinder 1 is in a hollow truncated cone shape and further comprises an inner core shaft assembly. The inner core shaft assembly is triangular and detachably arranged on the inner side of the glass fiber reinforced plastic cylinder 1.

[0020] like Figures 1 to 4 As shown, the inner core shaft assembly includes a web 3, a No. 1 support rib 4, a No. 2 support rib 5, a large-end output shaft 6, a small-end output shaft 7 and a reinforcement. The number of the webs 3 is three groups. A No. 1 support rib 4 is arranged between the right ends of the three groups of webs 3, and the No. 1 support rib 4 is provided with a large-end output shaft 6. A No. 2 support rib 5 is arranged between the left ends of the three groups of webs 3, and the No. 2 support rib 5 is provided with a small-end output shaft 7. Reinforcements are arranged between the three groups of webs 3, and a drawing die assembly is detachably provided on the small-end output shaft 7.

[0021] In this embodiment, when in use, the small end output shaft 7 is inserted from the right end of the FRP cylinder 1, and the left end of the small end output shaft 7 passes through the left side of the FRP cylinder 1. The outer side walls of the three groups of webs 3 respectively tighten the inner side walls of the FRP cylinder 1. Then, the drawing die assembly is assembled with the small end output shaft 7, so that the drawing die assembly pulls the small end output shaft 7 to the left while pushing the FRP cylinder 1 to the right, so that the three groups of webs 3 completely enter the interior of the FRP cylinder 1 and the slit opening 2 is opened. The FRP cylinder 1 is operated to wind the product. After the winding is completed, the inner core shaft assembly is separated from the FRP cylinder 1, so that the slit opening 2 on the FRP cylinder 1 is closed, which facilitates the separation of the product wound on the FRP cylinder 1 from the FRP cylinder 1.

[0022] Example 2

[0023] like Figure 1 and Figure 3 As shown, the utility model is a web rod inner core supporting an opening and closing mold, comprising a glass fiber reinforced plastic cylinder 1 and a slit opening 2. The glass fiber reinforced plastic cylinder 1 is provided with a slit opening 2. The glass fiber reinforced plastic cylinder 1 is in a hollow truncated cone shape and further comprises an inner core shaft assembly. The inner core shaft assembly is triangular and detachably arranged on the inner side of the glass fiber reinforced plastic cylinder 1.

[0024] like Figures 1 to 4 As shown, the inner core shaft assembly includes a web 3, a No. 1 support rib 4, a No. 2 support rib 5, a large end output shaft 6, a small end output shaft 7 and a reinforcement member. The number of the web 3 is three groups. A No. 1 support rib 4 is provided between the right ends of the three groups of webs 3, and the large end output shaft 6 is provided on the No. 1 support rib 4. A No. 2 support rib 5 is provided between the left ends of the three groups of webs 3, and the small end output shaft 7 is provided on the No. 2 support rib 5. Reinforcements are provided between the three groups of webs 3, and a drawing die assembly is detachably provided on the small end output shaft 7.

[0025] like Figure 3 and Figure 4 The drawing die assembly shown includes a pressing plate 8 and a nut 9. The small end output shaft 7 is provided with an external threaded portion, the pressing plate 8 is provided with a circular hole, and the nut 9 is threadedly connected to the external threaded portion;

[0026] like Figure 5 As shown, the reinforcement member is a reinforcement steel bar 10 , and the reinforcement steel bar 10 is arranged between the three groups of web members 3 . The reinforcement member also includes a reinforcement rib 11 , and multiple groups of reinforcement ribs 11 are arranged between the three groups of web members 3 .

[0027] After the cam 1 is in operation, the cam 1 is rotated and the cam 1 is in operation, and the cam 1 is rotated and the cam 1 is in operation, so that the cam 1 is rotated and the cam 1 is in operation.

[0028] The utility model is a belly rod inner core supporting an opening and closing mold, the cross-sectional area of ​​the right end of the fiberglass cylinder 1 is larger than the cross-sectional area of ​​the left end of the fiberglass cylinder 1, the right end of the fiberglass cylinder 1 is also called the big end, and the left end of the fiberglass cylinder 1 is also called the small end. The fiberglass cylinder 1 of the belly rod inner core supporting an opening and closing mold of the utility model is purchased on the market, and technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A web rod inner core supporting an opening and closing mold, comprising a glass fiber reinforced plastic cylinder (1) and a slit opening (2), wherein the glass fiber reinforced plastic cylinder (1) is provided with the slit opening (2), and the glass fiber reinforced plastic cylinder (1) is in a hollow truncated cone shape, characterized in that: It also includes an inner core shaft assembly, which is triangular in shape and can be detachably arranged on the inner side of the glass fiber reinforced plastic cylinder (1).

2. A web rod inner core for supporting an opening and closing mold according to claim 1, characterized in that: The inner core shaft assembly comprises a web (3), a No. 1 supporting rib (4), a No. 2 supporting rib (5), a large end output shaft (6), a small end output shaft (7) and a reinforcement member, wherein the number of the webs (3) is three groups, a No. 1 supporting rib (4) is arranged between the right ends of the three groups of webs (3), a large end output shaft (6) is arranged on the No. 1 supporting rib (4), a No. 2 supporting rib (5) is arranged between the left ends of the three groups of webs (3), a small end output shaft (7) is arranged on the No. 2 supporting rib (5), reinforcement members are arranged between the three groups of webs (3), and a drawing die assembly is detachably arranged on the small end output shaft (7).

3. The inner core of a web supporting an opening and closing mold according to claim 2, characterized in that: The drawing die assembly comprises a pressing plate (8) and a nut (9); an external threaded portion is provided on the small end output shaft (7); a circular hole is provided on the pressing plate (8); and the nut (9) is threadedly connected to the external threaded portion.

4. The inner core of a web supporting an opening and closing mold according to claim 2, characterized in that: The reinforcement member is a reinforcement steel bar (10), and the reinforcement steel bars (10) are arranged between the three groups of web members (3).

5. The inner core of a web supporting an opening and closing mold according to claim 2, characterized in that: It also includes reinforcing ribs (11), and a plurality of groups of reinforcing ribs (11) are provided between the three groups of web members (3).

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