CN218591705U - Cutting mechanism of wire shielding layer - Google Patents

Abstract

The utility model provides a cutting mechanism of wire shielding layer, relate to the wire cutting field, which comprises a bracket, hollow main shaft, axial drive arrangement, radial cutting knife tackle subassembly and actuating mechanism, the support includes bottom base plate and upper portion base plate on upper portion, there are a plurality of support post to support between bottom base plate and the upper portion base plate, it supports to set up the riser on the upper portion base plate, hollow main shaft vertical pin joint is on a plurality of riser supports, be equipped with the tool mount pad in the hollow main shaft, set up the chopping block tool on the tool mount pad, radial cutting knife tackle subassembly sets up at hollow main shaft front end, axial drive arrangement drive radial cutting knife tackle subassembly radial movement, actuating mechanism orders about hollow main shaft rotatory, accomplish the cutting to wire shielding layer, this cutting mechanism of wire shielding layer, the manual problem of cutting of wire shielding layer that shielding density is big has been solved, production efficiency is improved, the uniformity of product has been guaranteed, insulation fault because electrical property reduces the result in, risks such as high-voltage breakdown.

Description

Cutting mechanism of wire shielding layer

Technical Field

The utility model relates to a wire cutting technical field specifically is a cutting mechanism of wire shielding layer.

Background

With the high attention of the country to the new energy market and the vigorous development of the industry of the new energy market in China in recent years, the high-voltage wire harness is particularly important as a neural network of a high-voltage system of a new energy automobile. The high-voltage wire harness is mainly characterized by high voltage, high current, good sealing performance, high insulating performance and anti-electromagnetic interference. In order to meet the anti-electromagnetic interference performance of a high-voltage wire harness, a shielding layer is additionally arranged outside an insulating layer of a wire, but after the shielding layer is additionally arranged, the wire is more complex to process, the existing shielding cutting equipment can basically meet the requirements, but the strict requirements of the whole automobile on EMC are met, part of customers have the requirement on the weaving density of the shielding layer by more than 90%, the wall thickness of a steel pipe is limited due to the strength requirement of a steel pipe cutter when the steel pipe cutter is used for cutting on the basis of the existing equipment, the shielding layer cannot penetrate into the steel pipe, and shielding wires cannot be cut. Only manual cutting can be performed, so that the efficiency is influenced and the quality of products cannot be guaranteed.

The prior art 202020104601.8 discloses a lead shielding layer cutting device, which comprises a die driving device, a die cutting knife group, a female die knife group and a buffer wire clamping device; die-cut knife tackle is installed on die-cutting drive arrangement, die knife tackle and the installation of die-cut knife tackle coaxial line, the line clip hole of buffering trapping mechanism installs with die-cut knife tackle and die knife tackle with the axle center, and when the wire that the form shielding layer tip of weaving of buffering trapping mechanism centre gripping peeled off from the internal shield layer, die-cutting drive knife tackle drove die-cut knife tackle and is circular incision for the chopping block cuts the shielding layer.

In the above patents, the shielding layer of the wire is cut by using a punching mode, a punching cutter set is required to penetrate through the shielding layer and the insulating layer of the wire to punch the shielding layer, and for the wire with the weaving density of the shielding layer required to be more than 90%, the punching cutter is required to have better rigidity, for example, the wall thickness of the punching cutter is increased, but the increase of the wall thickness prevents the wire from smoothly penetrating through the shielding layer, so that the punching mode has disadvantages.

The scheme provides a novel method for processing a conducting wire shielding layer, and provides novel cutting equipment and a novel method, which do not use a steel pipe as a cutter, the thickness of the steel pipe is enabled to effectively pass through the shielding layer, and shielding wires are cut off by means of annular rotation of an outer-layer cutting blade, so that the purposes of reducing labor intensity, improving production efficiency and ensuring product quality are achieved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cutting mechanism of wire shielding layer has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a cutting mechanism of a wire shielding layer comprises: including support, hollow main shaft, axial drive arrangement, radial cutting knife tackle subassembly and actuating mechanism, the support includes bottom base plate and upper portion base plate on upper portion, there are a plurality of support posts to support between bottom base plate and the upper portion base plate, it supports to set up the riser on the base plate of upper portion, the vertical pin joint of hollow main shaft is on a plurality of risers support, be equipped with the tool mount pad in the hollow main shaft, set up the chopping block tool on the tool mount pad, radial cutting knife tackle subassembly sets up at the hollow main shaft front end, the radial cutting knife tackle subassembly radial movement of axial drive arrangement drive, actuating mechanism orders about hollow main shaft rotatory, accomplishes the cutting to the wire shielding layer.

Preferably, the driving mechanism comprises a driving motor, a wedge-shaped belt wheel and a wedge-shaped belt, the driving motor is arranged on the bottom base plate, the upper base plate is provided with a notch, the output end of the driving motor is connected with the wedge-shaped belt wheel, one end of the wedge-shaped belt, which penetrates through the notch of the upper base plate, is engaged on the wedge-shaped belt wheel, and the other end of the wedge-shaped belt is engaged on the hollow main shaft.

Preferably, radial cutting knife tackle subassembly includes the knife tackle body, angles such as knife tackle body port circumference are provided with three group's breachs, and wherein two breach are provided with the bearing mount pad, it sets up the wedge to set up supporting bearing, another group's breach activity on the bearing mount pad, wedge outside inner face sets up cutting blade, the wedge both ends still are equipped with the spring mounting subassembly, set up reset spring between spring mounting subassembly and the knife tackle body, the outer movable sleeve of knife tackle body is equipped with the ring cover.

Preferably, the axial driving device comprises a hinge support plate, a driving cylinder, a U-shaped shifting fork and a shifting fork shaft, the hinge support plate is arranged on the upper base plate, the bottom of the driving cylinder is hinged to the hinge support plate, a piston rod of the driving cylinder is provided with a buffer block, the tail end of the piston rod of the driving cylinder is hinged to one end of the U-shaped shifting fork, the shifting fork shaft is vertically and fixedly arranged on the upper base plate, the tail end of the U-shaped shifting fork is hinged to the shifting fork shaft, a needle bearing is arranged at the center of the upper end of the U-shaped shifting fork, and the needle bearing abuts against the inner side face of the ring sleeve.

(III) advantageous effects

The utility model provides a cutting mechanism of wire shielding layer. The method has the following beneficial effects:

this cutting mechanism of wire shielding layer provides a dedicated cutting equipment of new energy automobile wire shielding silk and method (shielding layer weaving density is more than 90%), has solved the manual problem of cutting of shielding density and being greater than 90% new energy wire shielding layer, has improved production efficiency, reduces artifical reduce cost, has guaranteed the uniformity of product, has reduced because the risk such as insulation fault, high voltage breakdown that the electric property reduction leads to, thereby product quality can promote the competitiveness of product in the same trade product.

Drawings

FIG. 1 is a first general view of the structure of the present invention;

FIG. 2 is a second general structural schematic diagram of the present invention;

FIG. 3 is a schematic view of the axial driving device of the cutting mechanism of the present invention;

FIG. 4 is an enlarged view (cutting radial knife set) at A of FIG. 2;

fig. 5 shows a cylindrical chopping block jig of the present invention.

In the figure: 1. a bottom substrate; 2. supporting the upright post; 3. a drive motor; 4. a wedge pulley; 5. an upper substrate; 6. a wedge band; 7. supporting by a vertical plate; 8. a hollow main shaft; 9. an axial drive device; 10. a radial cutter assembly;

902. a hinge support plate; 903. a driving cylinder; 904. a buffer block; 905. a U-shaped shifting fork; 906. a needle bearing; 907. a fork shaft;

101. a knife tackle body; 102. a bearing mount; 103. a support bearing; 104. a wedge block; 105. a bearing mandrel; 106. a cutting knife gland; 107. a cutting blade; 108. a spring mounting assembly; 109. a return spring; 110. sleeving a ring;

11. a jig mounting base; 12. chopping block tool.

Detailed Description

The embodiment of the utility model provides a cutting mechanism of wire shielding layer, as shown in fig. 1-4, which comprises a bracket, hollow main shaft, axial drive arrangement 9, radial cutting knife tackle subassembly 10 and actuating mechanism, the support includes bottom base plate 1 and upper portion base plate, there are four support post 2 to support between bottom base plate 1 and the upper portion base plate, set up riser support 7 on the upper portion base plate, riser support 7 is 3 of vertical setting in the present case, it has the bearing to embed on riser support 7, hollow main shaft vertically passes through the bearing pin joint on 3 riser supports 7, be equipped with tool mount pad 11 in the hollow main shaft, there is the draw-in groove on tool mount pad 11, set up chopping block tool 12 on the draw-in groove, chopping block tool 12 is the hollow shaft chopping block, radial cutting knife tackle subassembly 10 sets up at hollow main shaft front end, the insulating layer of the wire of waiting to cut gos deep into in chopping block tool 12 (the structure of chopping block tool 12 sees figure 5), the shielding layer of wire is outside tool 12, axial drive arrangement 9 drives radial cutting knife tackle subassembly 10 radial movement, actuating mechanism orders about hollow chopping block main shaft rotation, accomplish the cutting of wire shielding layer.

The embodiment of the driving mechanism is shown in fig. 1-2, the driving mechanism comprises a driving motor 3, a wedge-shaped belt wheel 4 and a wedge-shaped belt 6, the driving motor 3 is arranged on a bottom base plate 1, the upper base plate is provided with a notch, the output end of the driving motor 3 is connected with the wedge-shaped belt wheel 4, one end of the wedge-shaped belt 6, which penetrates through the notch of the upper base plate, is engaged with the wedge-shaped belt wheel 4, the other end of the wedge-shaped belt 6 is engaged with a hollow spindle, the driving motor 3 drives the hollow spindle to rotate through the wedge-shaped belt wheel 4, a starting switch can be arranged on the ground, and an operator starts or stops the rotation of the driving motor 3 in a manner that the operator steps on the starting switch.

As shown in fig. 4, a specific embodiment of the radial cutting knife tackle assembly 10 in the present application is shown, the radial cutting knife tackle assembly 10 includes a knife tackle body 101, three groups of notches are arranged at equal angles in the circumferential direction at the port of the knife tackle body 101, two of the notches are provided with bearing installation seats 102, the bearing installation seats 102 are provided with bearing mandrels 105, the bearing mandrels 105 are provided with support bearings 103, another group of notches movably provide with wedges 104, the outer inner side of each wedge 104 is provided with a cutting blade 107, each cutting blade 107 is covered by a cutting blade cover 106, two ends of each wedge 104 are also provided with spring installation assemblies 108, return springs 109 are arranged between the spring installation assemblies 108 and the knife tackle body 101, the ring sleeves 110 are movably sleeved outside the knife tackle body 101, the support bearings 103 are provided with shielding layers capable of supporting wires, and smooth circumferential cutting is ensured.

An embodiment of the axial driving device 9 of the present disclosure is shown in fig. 3, the axial driving device 9 includes a hinge support plate 902, a driving cylinder 903, a U-shaped shifting fork 905, and a shifting fork shaft 907, the hinge support plate 902 is disposed on the upper substrate, the bottom of the driving cylinder 903 is hinged to the hinge support plate 902, a piston rod of the driving cylinder 903 is provided with a buffer block 904, the end of the piston rod of the driving cylinder 903 is hinged to one end of the U-shaped shifting fork 905, the shifting fork shaft 907 is vertically fixed on the upper substrate, the tail end of the U-shaped shifting fork 905 is hinged to the shifting fork shaft 907, a needle bearing 906 is disposed at the center of the upper end and the lower end of the U-shaped shifting fork 905, the needle bearing 906 abuts against the inner side surface of the ring sleeve 110, the end of the driving cylinder 903 extends out to shift the U-shaped shifting fork 905, so that the ring sleeve 110 abutted by the needle bearing 906 longitudinally moves on the hollow main shaft, and the wedge 104 radially moves.

The working principle is as follows: when the cutting mechanism of wire shielding layer uses, chopping block tool 12-hollow shaft chopping block (the wall thickness is less than or equal to the clearance of shielding layer and insulating layer) that corresponds to every kind of product design, arrange the insulating layer of wire inside the hollow shaft chopping block, the hollow shaft chopping block outer wall is arranged in to the shielding layer of wire, place in the location axle draw-in groove of tool mount pad 11 bottom chopping block tool 12, adjust axial drive arrangement 9, make ring cover 110 longitudinal movement through adjusting drive actuating cylinder 903, order about wedge 104 and convert radial displacement into, thereby drive cutting blade 107 and reach the target position, restart driving motor 3 switch, driving motor 3 drives cutting blade 107 and is rotatory in the radial space of cutting pencil, realize cutting off to the cable shielding layer. When the pedal switch is released, the driving motor 3 stops rotating, the piston rod of the driving cylinder 903 is retracted, the wedge block 104 is expanded and reset under the action of the compression spring, and the processed product is taken out.

In conclusion, the cutting mechanism of the wire shielding layer provides cutting equipment and a method special for the wire shielding wire (the weaving density of the shielding layer is more than 90%), the cutting modes of two wire shielding layers in the prior art are changed, namely manual cutting and punching cutting, the problem of manual cutting of a new energy wire shielding layer with the shielding density larger than 90% is solved, the production efficiency is improved, the labor cost is reduced, the consistency of products is ensured, the risks of insulation failure, high voltage breakdown and the like caused by reduction of electrical performance are reduced, and the product quality is improved, so that the competitiveness of the products in the same industry can be improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a cutting mechanism of wire shielding layer which characterized in that: including support, hollow main shaft (8), axial drive arrangement (9), radial cutting knife group subassembly (10) and actuating mechanism, the support includes bottom base plate (1) and upper portion base plate (5) on upper portion, there are a plurality of support posts (2) to support between bottom base plate (1) and upper portion base plate (5), set up riser support (7) on upper portion base plate (5), hollow main shaft (8) vertical pin joint is on a plurality of riser supports (7), be equipped with tool mount pad (11) in hollow main shaft (8), set up chopping block tool (12) on tool mount pad (11), radial cutting knife group subassembly (10) set up at hollow main shaft (8) front end, axial drive arrangement (9) drive radial cutting knife group subassembly (10) radial movement, actuating mechanism orders about hollow main shaft (8) and rotates, accomplishes the cutting to the wire shielding layer.

2. The cutting mechanism for the shielding layer of a wire as set forth in claim 1, wherein: the driving mechanism comprises a driving motor (3), a wedge-shaped belt wheel (4) and a wedge-shaped belt (6), the driving motor (3) is arranged on the bottom base plate (1), the upper base plate (5) is provided with a notch, the output end of the driving motor (3) is connected with the wedge-shaped belt wheel (4), one end of the notch, penetrating through the upper base plate (5), of the wedge-shaped belt (6) is meshed on the wedge-shaped belt wheel (4), and the other end of the notch is connected and meshed on the hollow main shaft (8).

3. The cutting mechanism for the shielding layer of a wire as set forth in claim 1, wherein: radial cutting knife tackle subassembly (10) are including knife tackle body (101), angle such as knife tackle body (101) port circumference is provided with three group's breachs, and wherein two breach are provided with bearing installation seat (102), set up supporting bearing (103), another group's breach activity on bearing installation seat (102) sets up wedge (104), wedge (104) outside inner face sets up cutting blade (107), wedge (104) both ends still are equipped with spring mounting subassembly (108), set up reset spring (109) between spring mounting subassembly (108) and knife tackle body (101), the outer movable sleeve of knife tackle body (101) is equipped with ring cover (110).

4. The cutting mechanism for the shielding layer of a wire as set forth in claim 3, wherein: the axial driving device (9) comprises a hinge supporting plate (902), a driving cylinder (903), a U-shaped shifting fork (905) and a shifting fork shaft (907), the hinge supporting plate (902) is arranged on an upper base plate (5), the bottom of the driving cylinder (903) is hinged to the hinge supporting plate (902), a piston rod of the driving cylinder (903) is provided with a buffer block (904), the tail end of the piston rod of the driving cylinder (903) is hinged to one end of the U-shaped shifting fork (905), the shifting fork shaft (907) is vertically and fixedly arranged on the upper base plate (5), the tail end of the U-shaped shifting fork (905) is hinged to the shifting fork shaft (907), a needle bearing (906) is arranged at the center of the upper end of the U-shaped shifting fork (905), and the needle bearing (906) is abutted to the inner side face of the ring sleeve (110).

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