CN109570399B

CN109570399B - Hot wire cutting machine

Info

Publication number: CN109570399B
Application number: CN201811428221.3A
Authority: CN
Inventors: 郑贺裕; 黄坤杰
Original assignee: Xiamen Aoweisi Precision Machinery Co ltd
Current assignee: Xiamen Aoweisi Precision Machinery Co ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-06-09
Anticipated expiration: 2038-11-27
Also published as: CN109570399A

Abstract

The invention discloses a hot wire cutting machine, relates to the technical field of automation equipment, and solves the technical problem of limited wire cutting effect. The cutting device is technically characterized by comprising a case, a material bearing tool and a cutter mechanism, wherein the material bearing tool is located in the case and horizontally slides, the cutter mechanism is located in the case and vertically slides, the cutter mechanism comprises a base, a cutter is inserted into the base in a sliding mode, a pressing block is erected above the base and connected with a vertical cylinder for controlling the cutter to slide up and down, a slot for inserting the cutter is formed in the base, a placing groove for placing a wire and matching with the cutter is formed in the surface of the base, which is located at the projection position of a cutter edge, of an opening face of the slot, a plurality of heating rods are further inserted into one side of the base, and the heating rods are adjacent to the slot.

Description

Hot wire cutting machine

Technical Field

The invention relates to the technical field of automation equipment, in particular to a hot wire cutting machine.

Background

In the production and processing operation process of the electronic device, the conducting wire wound and installed on the electronic device is often required to be trimmed, and the delivery specification and the installation and use effect of the electronic device are ensured. In order to protect the lead structure, the outer periphery of the conductive lead is usually covered with a composite material of plastic or rubber, so that the surface of the lead is isolated and protected, and meanwhile, the insulating effect is achieved, and the using effect and the using safety of the lead are ensured. Because the outer composite material structure of wire is comparatively stable, simply exert pressure through physics and cut the wire and produce rough uneven section easily, reduced the wire effect of cutting off.

Disclosure of Invention

The invention aims to provide a hot wire cutting machine which has the advantage of improving the wire cutting effect.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hot wire cutting machine, includes quick-witted case, is located quick-witted incasement level slides the material frock of holding that sets up, is located the cutter mechanism of the vertical setting that slides of quick-witted incasement, cutter mechanism includes the base, slide peg graft in the cutter of base and be located the briquetting that the base was erect, the briquetting is connected with the vertical cylinder that control it slided from top to bottom, set up on the base and supply cutter male slot, the base that slot opening face is located cutter edge of a knife projection position is provided with on the surface and supplies the wire to place with cutter complex standing groove, base one side still pegs graft and is provided with a plurality of heating rods, the heating rod sets up with the slot is adjacent.

By adopting the technical scheme, the electronic device to be trimmed and cut the wire is placed on the material bearing tool, then slides to the position below the cutter mechanism, is trimmed and cut off by the action of the cutter mechanism, and finally slides away from the cutter mechanism by the material bearing tool, and the trimmed electronic device is taken out. When cutting operation is carried out, the heating rod in the base generates heat, so that the temperature of the base rises, and the material covered outside the lead is a composite material of plastic or rubber, so that the hardness characteristic of the material is reduced under the influence of temperature, and the cutting operation is convenient due to the reduction of the hardness of the lead. The cutter inserts the accuracy of guaranteeing the cutter in the displacement of vertical direction in the slot, and vertical cylinder passes through the briquetting and connects the cutter and orders about the cutter and moves down in the slot, and the wire on the standing groove is cracked under the conflict of cutter edge of a knife exerts pressure and the heating effect of heating rod, accomplishes the operation of cutting off of wire. Through the setting of slot one side heating rod cooperate the cutting-off operation of cutter in order to strengthen the cutter to the cutting-off effect that the wire cut off, promote the level and smooth of wire section, promote the wire effect of cutting off.

The invention is further configured to: the edge of the cutter is an arc-shaped surface which is concave towards one side far away from the base, the edge of the cutter extends towards the surface of one side of the cutter, and the extending surface is a conical surface which is concave towards the cutter.

Through adopting above-mentioned technical scheme, the edge of a knife is the laminating area of the arcwall face of indent in order to increase the wire, promotes the effect of cutting off. The conical surface of the cutter at the edge of the knife edge is used for reducing the width of the knife edge so as to improve the sharpness of the knife edge, and simultaneously, the contact stress between the knife edge and the lead is dispersed when the conical surface is used for cutting off the operation, so that the structural strength of the knife edge on the cutter is ensured, and the service life of the cutter is prolonged.

The invention is further configured to: the cutter is fixed with a pressure heating block above the knife edge on the other side of the knife edge extension surface, a pressure groove is formed in the side wall surface of the pressure heating block close to one side of the knife edge, and the wall surface of the pressure groove is an arc surface which is the same as the wall surface of the lead.

Through adopting above-mentioned technical scheme, press the hot block to set up in edge of a knife top for the cutter moves down and carries out the hot pressing to the cutting off department of wire when cutting off the wire, and the inseparable laminating between cooperation indent arcwall face and the wire, further guarantees the cutting off effect of wire.

The invention is further configured to: the cutter is located that edge of a knife one side is adjacent to be provided with the spacing groove of contradicting the laminating on the wire.

Through adopting above-mentioned technical scheme, the spacing groove is used for will closing on the wire of cutting off the position when cutting off the operation and support to press spacingly, and the stability of wire position when guaranteeing to cut off to the diffusion deformation of cutting off stress on wire cutting off position week side when reducing the wire and cutting off, thereby further guarantee the level and smooth of wire cut surface.

The invention is further configured to: the piston rod end part of the vertical cylinder is fixedly connected with a gasket, the pressing block is located below the gasket at intervals, and a heat insulation sheet is connected between the gasket and the pressing block.

Through adopting above-mentioned technical scheme, the setting of gasket and heat insulating sheet is used for reducing the briquetting and transmits the heat on the piston rod, guarantees the normal operating of piston rod and vertical cylinder.

The invention is further configured to: the base is provided with the temperature sensor who is used for detecting the base temperature that is located heating rod one side.

Through adopting above-mentioned technical scheme, temperature sensor is used for implementing the temperature of monitoring heating rod and base, promotes the control accuracy to heating temperature, guarantees the normal clear of heating operation and the effect of cutting off of wire.

The invention is further configured to: the machine case is characterized in that a plurality of foundation columns are vertically arranged on the table board of the machine case and positioned on two sides of the base, a top plate is horizontally erected at the bottom of each foundation column, and the vertical cylinder is fixedly arranged above the top plate.

Through adopting above-mentioned technical scheme, vertical cylinder passes through foundation column and roof installation and quick-witted incasement, when guaranteeing that vertical cylinder normally functions, promotes the stability of vertical cylinder position in the quick-witted incasement to guarantee the effect of cutting off of wire.

The invention is further configured to: the surface that holds the material frock and be used for placing electronic device is the inclined plane, the cutter opening has the lateral wall face of edge of a knife to be the inclined plane equally, and the incline direction all inclines downwards towards feeding one side.

By adopting the technical scheme, the material bearing tool and the side wall surface of the knife edge of the cutter are obliquely arranged, so that a certain cutting angle is formed between the knife edge and the lead when the cutter slides in the vertical direction for cutting, and the cutting effect on the lead when the knife edge moves downwards is further enhanced.

The invention is further configured to: the material bearing tool is provided with a placing groove for placing electronic devices, and the material bearing tool is located on two sides of the placing groove and provided with a yielding groove communicated with the placing groove.

Through adopting above-mentioned technical scheme, place the chamber and be used for spacing to electron device's position, guarantee the stability at cutting off operation in-process position, the setting of the groove of stepping down is used for supplying the finger laminating to take out the electron device of placing the intracavity after cutting off to accomplish to hold the material frock and withdraw from, has also played convenient heat dissipation simultaneously, prevents to transmit the scald that probably causes the finger to electron device surface heat.

The invention is further configured to: the material bearing tool is further provided with a wire groove for a wire to pass through, the side wall of one side, located in the wire groove, is provided with a top block attached to the side wall of the wire in a sliding manner, and the side wall of the top block, extending out of the wire groove, is in an arc surface arrangement.

Through adopting above-mentioned technical scheme, the arc surface is personally submitted to the lateral wall of kicking block on the wire casing lateral wall, under the prerequisite of guaranteeing to wire channel internal conductor reinforcement, reduces the structural wearing and tearing deformation of kicking block application of force conflict to the wire, guarantees the integrality of wire.

Compared with the prior art, the invention has the beneficial effects that:

(1) the hardness of the lead is reduced and the cutting effect of the lead is improved by the matching arrangement of the heating rod on the base and the cutter;

(2) by arranging the arc-shaped surface of the knife edge and the conical surface on the cutter, the structural strength of the cutter is improved while the degree of fit between the knife edge and the lead is improved, and the service life of the cutter is prolonged;

(3) through the inclined arrangement of the surface of the material bearing tool and the side edge of the knife edge of the cutter, the cutting angle between the knife edge and the lead is increased, and the cutting effect of the lead is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of an exploded structure of the present embodiment;

FIG. 3 is a schematic structural diagram of a cutter mechanism according to the present embodiment;

FIG. 4 is a schematic structural view of the bottom of the material holding fixture in this embodiment;

FIG. 5 is a schematic structural view of the material loading fixture in this embodiment;

FIG. 6 is an enlarged schematic view at B of FIG. 5;

FIG. 7 is a schematic view of the internal structure of the present embodiment;

FIG. 8 is an enlarged schematic view at A in FIG. 2;

FIG. 9 is an enlarged schematic view at C of FIG. 7;

FIG. 10 is a schematic side view of the present embodiment;

fig. 11 is a schematic structural view of another side surface of the knife in this embodiment.

Reference numerals: 1. a chassis; 11. a guide rail; 12. a slider; 13. a connecting seat; 14. a base pillar; 15. a top plate; 16. a heat-insulating protective cover; 2. a material bearing tool; 21. a placement chamber; 22. a yielding groove; 23. a wire guide groove; 24. a butting block; 25. a top block; 26. an auxiliary support block; 27. positioning a groove; 3. a cutter mechanism; 31. a base; 311. a slot; 312. a placement groove; 313. a heating rod; 314. a temperature sensor; 32. a cutter; 321. a knife edge; 322. pressing a heat block; 323. pressing a groove; 324. a limiting groove; 33. briquetting; 331. a heat insulating sheet; 332. a gasket; 4. a horizontal cylinder; 5. a vertical cylinder; 6. an electronic device; 61. and (4) conducting wires.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

In an embodiment, a hot wire cutting machine is shown in fig. 1 and 2, and includes a machine case 1, a material holding tool 2 horizontally and smoothly arranged in the machine case 1, and a cutter mechanism 3 vertically sliding above the material holding tool 2 in the machine case 1. Referring to fig. 3, the cutter mechanism 3 includes a base 31, a cutter 32 slidably inserted into the base 31, and a pressing block 33 disposed above the base 31, the pressing block 33 is connected to the vertical cylinder 5 for controlling the cutter 32 to slide up and down on the base 31, and the base 31 is further provided with a slot 311 for inserting the cutter 32. The base 31 is provided with a placing groove 312 for placing the conducting wire 61 on the opening surface of the slot 311, and a plurality of heating rods 313 are inserted into one side of the base 31 adjacent to the slot 311. The heating rod 313 is matched with the cutter 32 driven by the vertical cylinder 5 to cut the conducting wire 61 in the placing groove 312, so that the cutting effect of the conducting wire 61 is improved.

As shown in fig. 1 and 2, the cabinet 1 is in a square box shape, an opening surface is provided at one side of the cabinet 1, and a guide rail 11 is horizontally fixed to a bottom surface in the cabinet 1 along the opening direction of the opening surface. Referring to fig. 4, the guide rail 11 is slidably engaged with a slider 12, the surface of the slider 12 is fixedly connected with a connecting seat 13, the connecting seat 13 is arranged in a rectangular block shape, the top surface of the connecting seat 13 far away from the guide rail 11 is an inclined surface, and the inclined direction of the inclined surface inclines downwards towards one side of the opening surface of the chassis 1. A horizontal cylinder 4 is fixed on one side of the bottom surface of the case 1, which is away from the opening surface, of the guide rail 11, a piston rod of the horizontal cylinder 4 is connected to a side wall surface of the connecting seat 13, and the horizontal cylinder 4 controls the connecting seat 13 to slide back and forth in the case 1 along the guide rail 11. The material bearing tool 2 is fixedly installed on the inclined surface of the connecting seat 13, so that the surface of the material bearing tool 2 is also inclined towards the opening surface.

As shown in fig. 5 and 6, the material receiving fixture 2 is disposed in a chevron rectangular block shape, and the opening end direction thereof is away from the opening direction of the chassis 1 and faces the inside of the chassis 1. The middle plate surface of the material bearing tool 2 is provided with a placing cavity 21 for placing the electronic device 6 with the conducting wire 61, the placing cavity 21 in the embodiment is in a rectangular wall shape, and two sides of the short side of the placing cavity 21 horizontally extend to the side wall surface of the middle plate surface of the material bearing tool 2. The middle plate surface of the material bearing tool 2 is positioned on two sides of the long edge of the placing cavity 21 and communicated with the rectangular groove-shaped abdicating groove 22 along the direction of the guide rail 11. The side plate surfaces of the material bearing tool 2 positioned at two sides of the middle plate surface are provided with wire grooves 23. The middle part of the wire groove 23 is provided with an abutting block 24, and the abutting block 24 is arc-shaped towards a pair of side wall surfaces of the groove wall surface of the wire groove 23, and the arc direction of the abutting block is convex outwards towards the groove wall surface of the wire groove 23. The opposite side wall surfaces of the wire guide groove 23 are provided with ejector blocks 25 in a sliding manner through springs, and the side wall surfaces of the ejector blocks 25 extending out of the wire guide groove 23 are arc surfaces and abut against the arc-shaped side wall surfaces of the abutting blocks 24 under the action of the springs. The material bearing tool 2 is also provided with an auxiliary supporting block 26 between the middle plate surface and the left plate surface, and the auxiliary supporting block 26 is provided with a positioning groove 27 for placing a short wire 61. When placing electronic device 6 on holding material frock 2, electronic device 6 is spacing in standing groove 312, and electronic device 6's wire 61 stretches out standing groove 312 and is positioned between the arc lateral wall of wire casing 23 and butt piece 24 along the straight line.

As shown in fig. 7 and 8, a pair of bases 31 are fixedly mounted on both sides of the guide rail 11 on the bottom surface inside the casing 1, and the bases 31 are rectangular blocks. The pair of bases 31 are arranged at intervals, and the pair of bases 31 are attached to the material bearing station to form a complete rectangular block. Referring to fig. 9, the slots 311 are disposed on the surface of the base 31 and are parallel to the direction of the guide rail 11, and two slots 311 are disposed on the base 31 at intervals in this embodiment. The placement grooves 312 are located at both ends of the slot 311 in the longitudinal direction and are opened perpendicular to the longitudinal direction of the slot 311. The bottom surface of the placement groove 312 is an arc surface that fits the side wall surface of the lead 61.

As shown in fig. 7 and 9, four pillars 14 are vertically fixed on the bottom surface of the box body in the chassis 1 at two sides of the pair of bases 31, and the four pillars 14 are located outside the pair of bases 31 and are distributed in a rectangular shape. One end of each of the four foundation columns 14, which is far away from the bottom surface of the case 1, is fixedly connected with a top plate 15 above the corresponding base, the vertical cylinder 5 is located on the corresponding pair of bases and is also provided with a pair of bases in the projection direction of the top plate 15, and a piston rod of the vertical cylinder 5 penetrates through the top plate 15 and is connected to the pressing block 33 below the top plate 15. The pressing block 33 is rectangular block-shaped, the length direction of the pressing block is parallel to the length direction of the slot 311, a pair of heat insulation sheets 331 is fixed at two ends of the pressing block 33 in the length direction, a gasket 332 is fixed on one surface, far away from the pressing block 33, of the pair of heat insulation sheets 331, and the piston rod penetrates through the middle position of the gasket 332 and is connected to the pressing block 33. Referring to fig. 2, a heat insulation protective cover 16 is also covered on the outer peripheral sides of the four pillars 14 in the case 1.

As shown in fig. 8 and 10, the cutter 32 is formed in an Contraband-shaped thin plate, and one end thereof is inserted into the insertion groove 311 of the base 31. Referring to fig. 11, the knife edge 321 of the knife 32 is located on the projection position of the placing groove 312 on the side of the knife 32, and the knife edge 321 is an arc surface that is concave towards the side far away from the base 31, in this embodiment, four knives 32 are provided, and the four knives 32 are respectively installed on two sides of the long side of the pressing block 33. The edge of the knife edge 321 extends towards one side plate surface of the cutter 32, the extending surface is arranged towards the concave conical surface of the cutter 32, the side edge of the cutter 32 provided with the knife edge 321 is obliquely arranged, and the oblique direction of the side edge is obliquely downward towards the feeding side of the guide rail 11. A pressure heating block 322 is fixed above the knife edge 321 of the cutter 32, a pressure groove 323 is formed in the side wall surface of the pressure heating block 322 close to one side of the knife edge 321, and the wall surface of the pressure groove 323 is an arc surface same as that of the side wall surface of the conducting wire 61. The side edge of the cutter 32 on one side of the knife edge 321 is further provided with a limiting groove 324, the limiting groove 324 is U-shaped, and the bottom surface of the groove far away from the base 31 is also arc-shaped. Referring to fig. 7, a plurality of heating rods 313 are inserted and arranged along the direction of the slot 311 on the side of the base 31 away from the chassis 1, the plurality of heating rods 313 are arranged at intervals in the vertical direction, and a temperature sensor 314 for detecting the cutting temperature of the base 31 is further arranged on one side of the heating rods 313. In the embodiment, the number of the heating rods 313 is two, and the temperature sensor 314 is an E52-CA1D thermocouple.

The working process and the beneficial effects of the invention are as follows: when the hot wire cutting machine works, the electronic device 6 is placed in the material bearing tool 2, the horizontal cylinder 4 is started to drive the material bearing tool 2 to slide and attach to the base 31, the heating rod 313 generates heat to transfer the heat to the base 31, and the vertical cylinder 5 drives the cutter 32 to move downwards to abut against the lead 61 on the material bearing tool 2 to cut off. After the lead 61 is cut off, the horizontal cylinder 4 drives the material bearing tool 2 to leave the base 31 to return, and the electronic device 6 with the cut-off pins is taken out. The arrangement of the heating rod 313 on the base 31 is matched with the cutting operation of the cutter 32 to enhance the cutting effect of the cutter 32 on the lead 61, so that the flatness of the section of the lead 61 is improved, and the cutting effect of the lead 61 is improved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a hot wire cutting machine, includes quick-witted case (1), is located quick-witted case (1) water level smooth movement set up hold material frock (2), be located vertical cutter mechanism (3) that slide and set up in quick-witted case (1), its characterized in that: the cutter mechanism (3) comprises a base (31), a cutter (32) which is inserted into the base (31) in a sliding manner and a pressing block (33) which is erected above the base (31), wherein the pressing block (33) is connected with a vertical cylinder (5) which controls the pressing block to slide up and down, a slot (311) which is used for inserting the cutter (32) is formed in the base (31), the surface of the base (31), of which the opening surface of the slot (311) is positioned at the projection position of a cutter edge (321) of the cutter (32), is provided with a placing groove (312) which is used for placing a lead (61) and is matched with the cutter (32), one side of the base (31) is also inserted with a plurality of heating rods (313), the heating rods (313) are arranged adjacent to the slot (311), the cutter edge (321) of the cutter (32) is an arc-shaped surface which is concave towards one side far away from the base (31), and the edge, and the extending surface is a conical surface which is concave towards the cutter (32).

2. The hot wire cutting machine of claim 1, wherein: a pressure heating block (322) is fixed above the knife edge (321) of the other side of the knife edge (321) extending surface of the cutter (32), a pressure groove (323) is formed in the side wall surface of the pressure heating block (322) close to the knife edge (321), and the wall surface of the pressure groove (323) is an arc surface which is the same as the wall surface of the lead (61).

3. The hot wire cutting machine of claim 1, wherein: the cutter (32) is adjacently provided with a limit groove (324) abutting against and attached to the lead (61) on one side of the knife edge (321).

4. The hot wire cutting machine of claim 3, wherein: the piston rod end part of the vertical cylinder (5) is fixedly connected with a gasket (332), the pressing block (33) is located below the gasket (332) at intervals, and a heat insulation sheet (331) is connected between the gasket (332) and the pressing block (33).

5. The hot wire cutting machine of claim 4, wherein: the base (31) is provided with a temperature sensor (314) for detecting the temperature of the base (31) on one side of the heating rod (313).

6. The hot wire cutting machine of claim 1, wherein: a plurality of foundation columns (14) are vertically arranged on the table board of the case (1) and positioned on two sides of the base (31), a top plate (15) is horizontally erected at the bottoms of the foundation columns (14), and the vertical cylinder (5) is fixedly arranged above the top plate (15).

7. The hot wire cutting machine of claim 6, wherein: the surface of the material bearing tool (2) for placing the electronic device (6) is an inclined surface, the side wall surface of the opening of the cutter (32) with the knife edge (321) is also an inclined surface, and the inclined direction is inclined downwards towards one side of the feeding side.

8. The hot wire cutting machine of claim 1, wherein: the holding tool (2) is provided with a placing cavity (21) for placing the electronic device (6), and the holding tool is located on the placing cavity (21) and provided with yielding grooves (22) communicated with the placing grooves (312) on two sides.

9. The hot wire cutting machine of claim 8, wherein: the material bearing tool (2) is further provided with a wire groove (23) for a wire (61) to penetrate through, a side wall of the wire groove (23) is slidably provided with a top block (25) attached to the side wall of the wire (61), and the side wall of the top block (25) extending out of the wire groove (23) is in the shape of an arc surface.