Quantitative pre-cutting device for heat-shrinkable tubing

Abstract

The utility model is suitable for the technical field of heat-shrinkable tube processing, and provides a heat-shrinkable tube quantitative pre-cutting device, which comprises a base, wherein an L-shaped back plate is fixedly arranged at the top of the base; the transverse shaft is rotationally mounted on the L-shaped back plate; the plurality of winding drums are arranged on the transverse shaft in a sleeving manner; the transverse moving mechanism is arranged on the inner wall of the base and used for controlling the positioning mechanism to move transversely; the positioning mechanism is arranged on the transverse moving mechanism and is used for positioning a plurality of heat-shrinkable sleeves; the adjustable cutting mechanism is assembled and mounted on the L-shaped back plate; and the adjustable cutting mechanism is used for pre-cutting a plurality of heat-shrinkable sleeves. According to the quantitative pre-cutting device for the heat-shrinkable tubing, the cutting length of the heat-shrinkable tubing can be conveniently adjusted, the positioning function on the heat-shrinkable tubing is achieved, meanwhile, the protection function is achieved, and the two hands of a worker can be prevented from being cut.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat shrinkable tube processing, and in particular relates to a heat shrinkable tube quantitative pre-cutting device. Background Art

[0002] Heat shrink tubing is a new type of environmentally friendly halogen-free flame-retardant tubing that can provide insulation protection for wires, cables and wire terminals. It is widely used in insulation protection of wiring harnesses, solder joints, inductors and rust and corrosion prevention of metal tubes and rods. During the processing of heat shrink tubing, it is necessary to use a quantitative pre-cutting device to cut the heat shrink tubing.

[0003] However, the existing quantitative pre-cutting device for heat shrinkable tubes is not only inconvenient to adjust the cutting length, but also has no protective function, so it is easy to cut the hands of workers when cutting the heat shrinkable tubes. Utility Model Content

[0004] The utility model provides a heat shrink tubing quantitative pre-cutting device, aiming to solve the problems in the prior art that the existing heat shrink tubing quantitative pre-cutting device is inconvenient to adjust the cutting length and has no protection function.

[0005] To solve the above problems, the utility model is implemented as follows: a device for quantitative pre-cutting of heat shrinkable tubes, comprising: a base with an L-shaped back plate fixedly installed on the top; a horizontal axis rotatably installed on the L-shaped back plate; a plurality of reels sleeved on the horizontal axis; a transverse movement mechanism arranged on the inner wall of the base, the transverse movement mechanism is used to control the lateral movement of a positioning mechanism; a positioning mechanism arranged on the transverse movement mechanism, the positioning mechanism is used to position a plurality of heat shrinkable tubes; an adjustable cutting mechanism assembled and installed on the L-shaped back plate, the adjustable cutting mechanism is used to pre-cut a plurality of heat shrinkable tubes; a protective mechanism arranged on the adjustable cutting mechanism, the protective mechanism is used to protect the adjustable cutting mechanism.

[0006] Preferably, a limiting groove is provided on the base, and a plurality of first limiting rods are fixedly mounted on the inner wall of the base.

[0007] Preferably, the transverse movement mechanism includes: a servo motor fixedly mounted on the inner wall of the base; a first screw fixedly mounted on the output shaft of the servo motor and rotatably connected to the inner wall of the base; a first sliding plate threadedly sleeved on the first screw and slidably connected to the first limiting rod, the first sliding plate being slidably connected to the inner walls on both sides of the limiting groove.

[0008] Preferably, the positioning mechanism includes: a positioning plate fixedly mounted on the top of the first sliding plate; a plurality of positioning grooves opened on one side of the positioning plate; a plurality of electric cylinders respectively fixedly mounted on the inner walls at the tops of the plurality of positioning grooves; a plurality of pressure plates respectively fixedly mounted on the output rods of the plurality of electric cylinders; and a plurality of corrugated anti-skid plates respectively arranged on the bottoms of the plurality of pressure plates.

[0009] Preferably, the adjustable cutting mechanism includes: a hydraulic cylinder fixedly mounted on the L-shaped back plate; a U-shaped plate fixedly mounted on the output rod of the hydraulic cylinder; an L-shaped mounting plate fixedly mounted on the bottom of the U-shaped plate; a dual-axis motor fixedly mounted on the inner wall of the U-shaped plate; two second screws respectively fixedly mounted on both ends of the dual-axis motor output shaft and rotatably connected to the inner walls of both sides of the U-shaped plate; two second sliding plates respectively threadedly mounted on the two second screws; and a plurality of cutting blades respectively fixedly mounted on the bottom of the two second sliding plates and the bottom of the L-shaped mounting plate.

[0010] Preferably, a plurality of second limit rods are fixedly mounted on the inner wall of the U-shaped plate, the plurality of second limit rods are fixedly connected to the L-shaped mounting plate, and the plurality of second limit rods are slidably connected to the two second sliding plates respectively.

[0011] Preferably, the protective mechanism includes: two L-shaped connecting plates fixedly mounted on the top of the U-shaped plate; a plurality of sliding rods slidably mounted on the two L-shaped connecting plates; a protective cover fixedly mounted on the bottom ends of the plurality of sliding rods, the protective cover having a rectangular avoidance groove; a plurality of springs slidably mounted on the plurality of sliding rods; and a plurality of limit blocks fixedly mounted on the top ends of the plurality of sliding rods.

[0012] Compared with the related art, the heat shrink tubing quantitative pre-cutting device provided by the utility model has the following advantages:

[0013] Beneficial effects:

[0014] Compared with the prior art, the heat shrink tube quantitative pre-cutting device provided by the present solution realizes accurate positioning and efficient pre-cutting of the heat shrink tube through an integrated design. The L-shaped back plate fixedly installed on the top of the base provides a stable support structure for the entire device. The rotating horizontal axis thereon flexibly carries multiple rolls, which is convenient for the storage and supply of the heat shrink tube. The transverse movement mechanism on the inner wall of the base accurately controls the transverse movement of the positioning mechanism to ensure that the heat shrink tube can be accurately in place before each cutting, thereby improving the cutting accuracy. The positioning mechanism is used to fix the end of the heat shrink tube. The adjustable cutting mechanism is assembled on the L-shaped back plate. Its design allows for flexible adjustment according to the size and demand of the heat shrink tube to realize quantitative pre-cutting, which not only improves production efficiency but also ensures the consistency of cutting quality. In addition, the setting of the protective mechanism can prevent workers from being cut.

[0015] In summary, the device not only simplifies the cutting process of the heat shrink tubing and improves work efficiency, but also ensures the cutting quality and reduces the scrap rate through precise positioning and adjustable cutting technology, which has a significant beneficial effect on improving the automation level and economic benefits of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a heat shrink tubing quantitative pre-cutting device provided by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of a top-view cross-sectional structure;

[0018] Figure 3 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the middle sliding plate and the cutting blade;

[0019] Figure 4 for Figure 1 An enlarged structural diagram of part A shown in FIG.

[0020] Figure 5 for Figure 1 Schematic diagram of the enlarged structure of part B shown in FIG.

[0021] 1. Base; 2. L-shaped back plate; 3. Horizontal axis; 4. Reel; 5. Limiting groove; 6. First limiting rod; 7. Servo motor; 8. First screw rod; 9. First sliding plate; 10. Positioning plate; 11. Positioning groove; 12. Electric cylinder; 13. Pressing plate; 14. Corrugated anti-skid plate; 15. Hydraulic cylinder; 16. U-shaped plate; 17. L-shaped mounting plate; 18. Dual-axis motor; 19. Second screw rod; 20. Second sliding plate; 21. Cutting blade; 22. Second limiting rod; 23. L-shaped connecting plate; 24. Sliding rod; 25. Protective cover; 26. Spring; 27. Limiting block. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0023] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0024] The utility model provides a heat shrink tubing quantitative pre-cutting device, such as Figure 1-5 As shown, the heat shrink tubing quantitative pre-cutting device comprises: a base 1 with an L-shaped back plate 2 fixedly mounted on the top; a horizontal axis 3 rotatably mounted on the L-shaped back plate 2; a plurality of reels 4 sleeved on the horizontal axis 3; a transverse movement mechanism arranged on the inner wall of the base 1, the transverse movement mechanism being used to control the lateral movement of a positioning mechanism; a positioning mechanism arranged on the transverse movement mechanism, the positioning mechanism being used to position a plurality of heat shrink tubings; an adjustable cutting mechanism assembled and mounted on the L-shaped back plate 2, the adjustable cutting mechanism being used to pre-cut a plurality of heat shrink tubings; a protective mechanism arranged on the adjustable cutting mechanism, the protective mechanism being used to protect the adjustable cutting mechanism.

[0025] In this embodiment, the accurate positioning and efficient pre-cutting of the heat shrinkable tube are achieved through the integrated design. The L-shaped back plate 2 fixedly installed on the top of the base 1 provides a stable support structure for the entire device. The rotating horizontal axis 3 thereon flexibly carries multiple reels 4, which is convenient for the storage and supply of the heat shrinkable tube. The transverse movement mechanism on the inner wall of the base 1 accurately controls the transverse movement of the positioning mechanism to ensure that the heat shrinkable tube can be accurately positioned before each cutting, thereby improving the cutting accuracy. The positioning mechanism is used to fix the end of the heat shrinkable tube. The adjustable cutting mechanism is assembled on the L-shaped back plate 2. Its design allows for flexible adjustment according to the size and demand of the heat shrinkable tube, thereby achieving quantitative pre-cutting, which not only improves production efficiency but also ensures the consistency of cutting quality. In addition, the setting of the protective mechanism can prevent the staff from being cut.

[0026] In summary, the device not only simplifies the cutting process of the heat shrink tubing and improves work efficiency, but also ensures the cutting quality and reduces the scrap rate through precise positioning and adjustable cutting technology, which has a significant beneficial effect on improving the automation level and economic benefits of the production line.

[0027] In a further preferred embodiment of the present invention, a limiting groove 5 is provided on the base 1 , and a plurality of first limiting rods 6 are fixedly mounted on the inner wall of the base 1 .

[0028] In this embodiment, the first sliding plate 9 can be limited by a plurality of first limiting rods 6 .

[0029] In a further preferred embodiment of the utility model, the transverse movement mechanism includes: a servo motor 7 fixedly mounted on the inner wall of the base 1; a first screw 8 fixedly mounted on the output shaft of the servo motor 7 and rotatably connected to the inner wall of the base 1; a first sliding plate 9 threadedly sleeved on the first screw 8 and slidably connected to the first limiting rod 6, and the first sliding plate 9 is slidably connected to the inner walls on both sides of the limiting groove 5.

[0030] In this embodiment, the first screw 8 is driven to rotate by the servo motor 7, and the rotation of the first screw 8 can drive the first sliding plate 9 to move laterally. The first sliding plate 9 drives the multiple heat shrink tubes to move laterally through the positioning mechanism, so that the multiple heat shrink tubes are laid flat on the top of the base 1.

[0031] In a further preferred embodiment of the utility model, the positioning mechanism includes: a positioning plate 10 fixedly mounted on the top of the first sliding plate 9; a plurality of positioning grooves 11 opened on one side of the positioning plate 10; a plurality of electric cylinders 12 respectively fixedly mounted on the inner walls at the tops of the plurality of positioning grooves 11; a plurality of pressure plates 13 respectively fixedly mounted on the output rods of the plurality of electric cylinders 12; and a plurality of corrugated anti-skid plates 14 respectively arranged on the bottoms of the plurality of pressure plates 13.

[0032] In this embodiment, the ends of multiple heat shrink tubes are placed in multiple positioning grooves 11, and multiple pressure plates 13 and multiple corrugated anti-slip plates 14 are driven downward by multiple electric cylinders 12, thereby fixing the ends of the heat shrink tubes in the multiple positioning grooves 11.

[0033] In a further preferred embodiment of the utility model, the adjustable cutting mechanism includes: a hydraulic cylinder 15 fixedly mounted on the L-shaped back plate 2; a U-shaped plate 16 fixedly mounted on the output rod of the hydraulic cylinder 15; an L-shaped mounting plate 17 fixedly mounted at the bottom of the U-shaped plate 16; a dual-axis motor 18 fixedly mounted on the inner wall of the U-shaped plate 16; two second screws 19 respectively fixedly mounted at both ends of the output shaft of the dual-axis motor 18 and rotatably connected to the inner walls of both sides of the U-shaped plate 16; two second sliding plates 20 respectively threadedly mounted on the two second screws 19; and a plurality of cutting blades 21 respectively fixedly mounted at the bottom of the two second sliding plates 20 and the bottom of the L-shaped mounting plate 17.

[0034] In this embodiment, the dual-axis motor 18 can drive the two second screws 19 to rotate, and the rotation of the two second screws 19 can drive the two cutting blades 21 to move closer to or farther away from each other, thereby adjusting the distance between the multiple cutting blades 21, thereby adjusting the cutting length of the heat shrink tubing, and the hydraulic cylinder 15 can drive the multiple cutting blades 21 to move downward, thereby pre-cutting multiple heat shrink tubing.

[0035] In a further preferred embodiment of the utility model, a plurality of second limit rods 22 are fixedly installed on the inner wall of the U-shaped plate 16, and the plurality of second limit rods 22 are fixedly connected to the L-shaped mounting plate 17, and the plurality of second limit rods 22 are slidably connected to the two second sliding plates 20 respectively.

[0036] In this embodiment, the two second sliding plates 20 can be guided and limited by a plurality of second limiting rods 22 .

[0037] In a further preferred embodiment of the utility model, the protective mechanism includes: two L-shaped connecting plates 23 fixedly mounted on the top of the U-shaped plate 16; a plurality of sliding rods 24 respectively slidably mounted on the two L-shaped connecting plates 23; a protective cover 25 fixedly mounted on the bottom ends of the plurality of sliding rods 24, and a rectangular avoidance groove is opened on the protective cover 25; a plurality of springs 26 respectively slidably mounted on the plurality of sliding rods 24; and a plurality of limit blocks 27 respectively fixedly mounted on the top ends of the plurality of sliding rods 24.

[0038] In this embodiment, the protective cover 25 can protect multiple cutting blades 21 to prevent the staff's hands from being cut. The protective cover 25 can be moved up and down by multiple sliding rods 24 and multiple springs 26, so the protective cover 25 will not affect the cutting of multiple heat shrink tubes by the multiple cutting blades 21.

[0039] In summary, compared with the related art, the present device is not only convenient for adjusting the cutting length of the heat shrink tubing, but also has the function of positioning the heat shrink tubing, and also has a protective function, which can prevent the hands of the staff from being cut.

[0040] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0041] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A heat shrink tubing quantitative pre-cutting device, characterized in that: include: A base with an L-shaped back panel fixed on the top; Rotate a horizontal shaft mounted on the L-shaped back plate; A plurality of reels sleeved on the horizontal axis; A transverse movement mechanism is arranged on the inner wall of the base, and the transverse movement mechanism is used to control the transverse movement of the positioning mechanism; A positioning mechanism disposed on the transverse movement mechanism, the positioning mechanism being used to position a plurality of heat shrinkable sleeves; An adjustable cutting mechanism is assembled and mounted on the L-shaped back plate, and the adjustable cutting mechanism is used to pre-cut a plurality of heat shrink tubings; A protection mechanism is arranged on the adjustable cutting mechanism, and the protection mechanism is used to protect the adjustable cutting mechanism.

2. The heat shrink tubing quantitative pre-cutting device according to claim 1, characterized in that: The base is provided with a limiting groove, and a plurality of first limiting rods are fixedly mounted on the inner wall of the base.

3. The heat shrink tubing quantitative pre-cutting device according to claim 2, characterized in that: The traverse mechanism comprises: A servo motor fixedly mounted on the inner wall of the base; A first screw fixedly mounted on the output shaft of the servo motor and rotatably connected to the inner wall of the base; A first sliding plate is threadedly sleeved on the first screw rod and slidably connected to the first limiting rod, and the first sliding plate is slidably connected to the inner walls on both sides of the limiting groove.

4. The heat shrink tubing quantitative pre-cutting device according to claim 3, characterized in that: The positioning mechanism comprises: A positioning plate fixedly mounted on the top of the first sliding plate; A plurality of positioning grooves are provided on one side of the positioning plate; A plurality of electric cylinders respectively fixedly mounted on the inner walls at the tops of the plurality of positioning grooves; A plurality of pressure plates respectively fixedly mounted on the output rods of the plurality of electric cylinders; A plurality of corrugated anti-slip plates are respectively arranged at the bottom of the plurality of pressure plates.

5. The heat shrink tubing quantitative pre-cutting device according to claim 1, characterized in that: The adjustable cutting mechanism comprises: A hydraulic cylinder fixedly mounted on the L-shaped back plate; A U-shaped plate fixedly mounted on the output rod of the hydraulic cylinder; An L-shaped mounting plate fixedly mounted on the bottom of the U-shaped plate; A dual-shaft motor fixedly mounted on the inner wall of the U-shaped plate; Two second screws respectively fixedly mounted at both ends of the output shaft of the dual-axis motor and rotatably connected to the inner walls of both sides of the U-shaped plate; Two second sliding plates are respectively threadedly sleeved on the two second screw rods; A plurality of cutting blades are respectively fixedly mounted on the bottom of the two second sliding plates and the bottom of the L-shaped mounting plate.

6. The heat shrink tubing quantitative pre-cutting device according to claim 5, characterized in that: A plurality of second limiting rods are fixedly mounted on the inner wall of the U-shaped plate, the plurality of second limiting rods are fixedly connected to the L-shaped mounting plate, and the plurality of second limiting rods are slidably connected to the two second sliding plates respectively.

7. The heat shrink tubing quantitative pre-cutting device according to claim 5, characterized in that: The protection mechanism comprises: Two L-shaped connecting plates fixedly mounted on the top of the U-shaped plate; A plurality of sliding rods respectively slidably mounted on the two L-shaped connecting plates; A protective cover fixedly mounted at the bottom ends of the plurality of sliding rods, wherein the protective cover is provided with a rectangular avoidance groove; A plurality of springs slidably sleeved on the plurality of sliding rods respectively; A plurality of limit blocks are respectively fixedly mounted on the top ends of the plurality of sliding rods.

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