Device and method for hot-melt opening of porcelain bottle holes of busbar heat shrink tube

Abstract

The present invention relates to a busbar heat shrink tube porcelain bottle hole hot melt opening device and method, comprising a fixed seat, a handle is arranged on the upper side of the fixed seat, a heat insulating seat body is connected to the lower side of the fixed seat, a hot melt cutter head is connected to the lower side of the heat insulating seat body, a heating rod is embedded in the hot melt cutter head, a cutting blade is arranged on the edge of the lower end of the hot melt cutter head, a threaded hole is arranged at the center position of the lower end of the hot melt cutter head, and a positioning shaft is threadedly connected in the threaded hole. The busbar heat shrink tube porcelain bottle hole hot melt opening device of the present invention is easy to use, easy to operate, and has high opening efficiency; the edge of the hole after hot melt cutting is intact and of good quality, and a thickened melt mark will be formed, forming effective protection without tearing marks, avoiding the heat shrink tube from cracking due to secondary shrinkage caused by the heating of the busbar after the switch is operated, and ensuring product performance.

Description

Technical Field

[0001] The invention relates to a device and method for hot-melting a hole in a porcelain bottle of a busbar heat shrink tube. Background Art

[0002] It is necessary to cut porcelain bottle holes on the busbar heat shrink tube of the high and low voltage switch cabinet; the porcelain bottle holes on the existing busbar heat shrink tube are opened by manual hammering and breaking with a metal chisel tool, and the shape is not uniform, the appearance quality is low, there are torn marks on the edge of the hole, and it is labor-intensive and time-consuming. In addition, when the switch is running, the heat generated by the busbar is transferred to the surface of the heat shrink tube, resulting in secondary shrinkage. The heat shrink tube with torn marks on the edge of the hole will crack, affecting product performance. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide a busbar heat shrink tube porcelain bottle hole hot melt opening device and method which is easy to use and has high hole opening efficiency. The hole edge after hot melt cutting is intact and of good quality without any tearing marks.

[0004] The present invention is implemented by the following scheme: a busbar heat shrink tube porcelain bottle hole hot melt drilling device, including a fixed seat, a handle is arranged on the upper side of the fixed seat, a heat insulating seat body is connected to the lower side of the fixed seat, a hot melt cutter head is connected to the lower side of the heat insulating seat body, a heating rod is embedded in the hot melt cutter head, a cutting blade is arranged on the lower edge of the hot melt cutter head, a threaded hole is opened at the center position of the lower end of the hot melt cutter head, and a positioning shaft is threadedly connected in the threaded hole.

[0005] Furthermore, a temperature adjustment knob for controlling the temperature of the heating rod is provided on the fixing seat; the heat-insulating seat body is made of synthetic stone slab, and a wiring cavity is opened inside the heat-insulating seat body.

[0006] Furthermore, the positioning shaft has two specifications, one long and one short, which can be used interchangeably. A threaded portion is provided at the upper end of the positioning shaft, a positioning head is provided at the lower end of the positioning shaft, a tapered portion is provided at the lower end of the positioning head, and a recessed groove is provided at the outer periphery of the threaded hole at the lower end of the hot melt cutter head.

[0007] Furthermore, it also includes a first set of cutter heads that can be detachably connected to the lower end of the hot melt cutter head using a positioning shaft. The lower end edge of the first set of cutter heads is provided with a cutting blade and a through hole is opened in the middle for the positioning shaft to pass through. The diameter of the first set of cutter heads is smaller than the diameter of the hot melt cutter head and is compatible with the sink.

[0008] Furthermore, it also includes a second set of cutter heads that can be detachably connected to the hot melt cutter head using a positioning shaft. The lower edge of the second set of cutter heads is also provided with a cutting blade and a through hole is opened in the middle for the positioning shaft to pass through. The diameter of the second set of cutter heads is larger than the diameter of the hot melt cutter head. The upper end of the second set of cutter heads is provided with a mounting slot hole that can be mounted on the hot melt cutter head, and the bottom of the mounting slot hole is provided with a boss that is adapted to the sink groove.

[0009] Another technical solution of the present invention: a method for hot-melt hole opening of busbar heat shrink tube porcelain bottle holes, using the hot-melt hole opening device for busbar heat shrink tube porcelain bottle holes as described above, energizing the heating rod for heating, and when the hot-melt cutter head reaches the temperature requirement, aligning the positioning axis with the outlet hole at the location of the porcelain bottle on the busbar, and using the hot-melt cutter head to hot-melt cut the porcelain bottle hole around the outlet hole.

[0010] Compared with the prior art, the present invention has the following beneficial effects: the hot-melt hole-opening device for the porcelain bottle hole of the busbar heat shrink tube of the present invention is easy to use, easy to operate, and has high hole-opening efficiency; the edge of the hole after hot-melt cutting is intact and of good quality, and a thickened melt mark will be formed, forming effective protection without any tearing marks, thereby avoiding the secondary shrinkage and cracking of the heat shrink tube caused by the heating of the busbar after the switch is operated, thereby ensuring product performance.

[0011] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through specific embodiments and related drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of an embodiment of the present invention;

[0013] Figure 2 Schematic diagram of the hot melt cutter head structure in an embodiment of the present invention;

[0014] Figure 3 Schematic diagram of the connection between the first set of cutter heads and the hot melt cutter head in an embodiment of the present invention;

[0015] Figure 4 Schematic diagram of the connection between the second set of cutter heads and the hot melt cutter head in the embodiment of the present invention;

[0016] Explanation of the numbers in the figure: 100 - fixed seat, 110 - handle, 120 - temperature adjustment knob, 200 - thermal insulation seat, 300 - hot melt cutter head, 310 - heating rod, 320 - positioning shaft, 330 - sink, 340 - temperature control sensor head, 400 - first set of cutter heads, 500 - second set of cutter heads, 510 - mounting slots, 520 - bosses. DETAILED DESCRIPTION

[0017] like Figures 1 to 4As shown, a busbar heat shrink tube porcelain bottle hole hot-melt opening device comprises a fixing seat 100, a handle 110 is arranged on the upper side of the fixing seat 100, a heat-insulating seat body 200 is connected to the lower side of the fixing seat 100, a hot-melt cutter head 300 is connected to the lower side of the heat-insulating seat body 200, a heating rod 310 is embedded in the hot-melt cutter head 300, a cutting blade is arranged on the lower edge of the hot-melt cutter head 300, a threaded hole is arranged at the center of the lower end of the hot-melt cutter head, a positioning shaft 320 is threadedly connected in the threaded hole, and the positioning shaft is used to align with the busbar The outlet hole at the position of the porcelain bottle is matched to ensure the accuracy of the position of the processed porcelain bottle hole. The diameter of the hot melt cutter head is 50mm, which is used to cut the porcelain bottle hole with a specification of 50mm. The heating rod is used to heat and transfer the heat to the hot melt cutter head to achieve hot melt cutting, which saves time and effort and has high hole opening efficiency. The edge of the closed loop hole after hot melt cutting of the heat shrink tube is complete and of good quality, and a thickened melt mark will be formed, forming effective protection without any tearing marks, avoiding the cracking of the heat shrink tube caused by secondary shrinkage due to the heating of the busbar after the switch is running, thereby ensuring product performance.

[0018] The whole device has a simple overall design, small size, light weight, is easy to carry, easy to operate, has a fast operating speed and high efficiency.

[0019] In this embodiment, a temperature adjustment knob 120 for controlling the temperature of the heating rod is provided on the fixing seat; the heat-insulating seat body 200 is made of synthetic stone slab, and a wiring cavity is opened inside the heat-insulating seat body.

[0020] In this embodiment, the positioning shaft 320 has two specifications, one long and one short, which can be replaced. A threaded portion is provided at the upper end of the positioning shaft, a positioning head is provided at the lower end of the positioning shaft, a tapered portion is provided at the lower end of the positioning head, and a recessed groove 330 is provided at the lower end of the hot melt cutter head 300 and is located outside the threaded hole. In order to enable the device to cut porcelain bottle holes of different diameters, two sleeve cutter heads that can be mounted on the hot melt cutter head are designed. The short-specification positioning shaft 320 plays a positioning role when the hot melt cutter head is used for cutting, while the long-specification positioning shaft is used to connect the sleeve cutter head on the one hand, and plays a positioning role when the sleeve cutter head is used for cutting on the other hand. The positioning shaft and the hot melt cutter head are threadedly connected, so they can be replaced as needed.

[0021] In the present embodiment, it also includes a first set of cutter heads 400 that can be detachably connected to the lower end of the hot melt cutter head 300 by utilizing the positioning shaft 320. The lower end edge of the first set of cutter heads 400 is provided with a cutting blade and a through hole is provided in the middle for the positioning shaft to pass through. The diameter of the positioning head of the positioning shaft is slightly larger than the diameter of the through hole on the first set of cutter heads. The diameter of the first set of cutter heads 400 is smaller than the diameter of the hot melt cutter heads and is compatible with the sink groove. The diameter of the first set of cutter heads is 30 mm. When cutting a porcelain bottle hole with a specification of 30 mm, it is necessary to install the first set of cutter heads on the hot melt cutter heads, and replace the long specification positioning shaft. The positioning head of the positioning shaft is clamped on the lower side of the first set of cutter heads for positioning. The threaded portion of the positioning shaft passes through the first set of cutter heads and is connected to the hot melt cutter heads to fix the first set of cutter heads. The hot melt cutter heads transfer heat to the first set of cutter heads for hot melt cutting.

[0022] In the present embodiment, a second set of cutter heads 500 which can be detachably connected to the hot melt cutter head 300 by utilizing a positioning shaft are also included. A cutting blade is also arranged on the lower edge of the second set of cutter heads 500, and a through hole is provided in the middle for the positioning shaft to pass through. The diameter of the positioning head of the positioning shaft is slightly larger than the diameter of the through hole on the second set of cutter heads. The diameter of the second set of cutter heads 500 is larger than the diameter of the hot melt cutter heads. The diameter of the second set of cutter heads is 90 mm. An installation slot hole 510 which can be sleeved on the hot melt cutter head 300 is provided on the upper end of the second set of cutter heads 500. The installation slot hole 510 is provided on the upper end of the second set of cutter heads 500. A boss 520 adapted to the groove is provided at the bottom of the slot, and the boss 520 can effectively include the cutting edge on the hot melt cutter head, and it contacts the bottom surface of the mounting slot; when cutting a porcelain bottle hole with a specification of 90mm, it is necessary to install a second set of cutter heads on the hot melt cutter head, and use a long positioning shaft. The positioning head of the positioning shaft is clamped on the lower side of the second set of cutter heads for positioning. The threaded portion of the positioning shaft passes through the second set of cutter heads and is connected to the hot melt cutter head to fix the second set of cutter heads. The hot melt cutter head transfers heat to the second set of cutter heads for hot melt cutting.

[0023] In this embodiment, the fixing seat is made of plastic, and the hot melt cutter head, the first set of cutter heads and the second set of cutter heads are all made of stainless steel. The sides of the hot melt cutter head, the first set of cutter heads and the second set of cutter heads are all provided with grooves for installing the temperature control sensor head 340; the fixing seat and the thermal insulation seat body are connected by bolts, and a connecting plate connected to the hot melt cutter head is provided at the upper end, and the connecting plate and the thermal insulation seat body are also connected by bolts.

[0024] A method for hot-melt drilling of busbar heat shrink tube porcelain bottle holes, using the above-mentioned busbar heat shrink tube porcelain bottle hole hot-melt drilling device, electrically heating the heating rod, when the hot-melt cutter head reaches the temperature requirement, aligning the positioning axis with the outlet hole where the porcelain bottle is located on the busbar, and using the hot-melt cutter head to hot-melt cut the porcelain bottle hole around the outlet hole, the diameter specification of the porcelain bottle hole processed by the hot-melt cutter head is 50mm.

[0025] When processing porcelain bottle holes of other specifications (30mm or 90mm), remove the original shorter locating shaft, replace it with a longer locating shaft, install the first set of cutter heads or the second set of cutter heads on the hot melt cutter head, and fix it with the longer locating shaft. The specific hot melt cutting process is the same as above.

[0026] Unless otherwise stated, any technical solution disclosed in the present invention disclosed above, if it discloses a numerical range, then the disclosed numerical range is a preferred numerical range, and any technician in the field should understand that the preferred numerical range is only a numerical value with a more obvious technical effect or representative value among many implementable numerical values. Since there are too many numerical values ​​to be exhaustive, the present invention discloses some numerical values ​​to illustrate the technical solution of the present invention, and the numerical values ​​listed above should not constitute a limitation on the scope of protection of the present invention.

[0027] If the present invention discloses or involves components or structures that are fixedly connected to each other, then, unless otherwise stated, the fixed connection can be understood as: a detachable fixed connection (for example, connection using bolts or screws), and can also be understood as: a non-detachable fixed connection (for example, riveting, welding). Of course, the mutual fixed connection can also be replaced by an integrated structure (for example, manufactured by integrated molding using a casting process) (except when it is obviously impossible to use an integrated molding process).

[0028] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in the present invention include states or shapes that are approximate, similar, or close to them.

[0029] Any component provided by the present invention may be assembled from a plurality of separate components, or may be a separate component manufactured by an integral forming process.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the present invention can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the present invention, which should be included in the scope of the technical solution for protection of the present invention.

Claims

1. A busbar heat shrink tube porcelain bottle hole hot melt opening device, characterized in that: It includes a fixed seat, a handle is arranged on the upper side of the fixed seat, a heat insulating seat body is connected to the lower side of the fixed seat, a hot melt cutter head is connected to the lower side of the heat insulating seat body, a heating rod is embedded in the hot melt cutter head, a cutting blade is arranged on the edge of the lower end of the hot melt cutter head, a threaded hole is opened at the center position of the lower end of the hot melt cutter head, a positioning shaft is threadedly connected in the threaded hole; the positioning shaft has two specifications, one long and one short, which can be replaced, a threaded portion is arranged on the upper end of the positioning shaft, a positioning head is arranged on the lower end of the positioning shaft, a tapered portion is arranged on the lower end of the positioning head, and a sink groove located on the periphery of the threaded hole is arranged on the lower end of the hot melt cutter head; it also includes a detachable A first set of cutter heads connected to the lower end of the hot melt cutter head, a cutting blade is provided on the edge of the lower end of the first set of cutter heads and a through hole is provided in the middle for the positioning shaft to pass through, the diameter of the first set of cutter heads is smaller than the diameter of the hot melt cutter head and is compatible with the sink groove; it also includes a second set of cutter heads that can be detachably connected to the hot melt cutter head using the positioning shaft, a cutting blade is also provided on the edge of the lower end of the second set of cutter heads and a through hole is provided in the middle for the positioning shaft to pass through, the diameter of the second set of cutter heads is larger than the diameter of the hot melt cutter head, a mounting slot hole that can be sleeved on the hot melt cutter head is provided at the upper end of the second set of cutter heads, and a boss that is compatible with the sink groove is provided at the bottom of the mounting slot hole.

2. The busbar heat shrink tube porcelain bottle hole hot-melt opening device according to claim 1 is characterized in that: The fixing seat is provided with a temperature adjustment knob for controlling the temperature of the heating rod; the heat-insulating seat body is made of synthetic stone slabs, and a wiring cavity is opened inside the heat-insulating seat body.

3. A method for hot-melt hole opening of a busbar heat shrink tube porcelain bottle hole, using the hot-melt hole opening device for busbar heat shrink tube porcelain bottle hole as claimed in claim 1, characterized in that: The heating rod is powered on for heating. When the hot melt cutter head reaches the temperature requirement, align the positioning axis with the outlet hole where the porcelain bottle is located on the busbar, and use the hot melt cutter head to hot melt and cut the porcelain bottle hole around the outlet hole.

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