CN214957571U - Double-layer wire inserting structure of wire twisting machine - Google Patents

Abstract

The application relates to a double-layer wire inserting structure of a wire twisting machine, which comprises a rack, a vertical sliding block, an ejector rod, a vertical sliding frame and a wire clamping die for loading a leading-out wire, wherein the vertical sliding block is arranged on the rack in a sliding manner; one end of each ejector rod is arranged on the lower surface of the vertical sliding block, the other end of each ejector rod vertically extends in the direction far away from the vertical sliding block, and a plurality of ejector rods are uniformly arranged around the axis of the vertical sliding block; the vertical sliding block is arranged on the rack in a sliding manner, and the vertical sliding frame is positioned below the ejector rod; the wire clamping die is arranged on the vertical sliding frame, a wire clamping hole matched with the ejector rod is formed in the wire clamping die, the upper end of the wire clamping hole is matched with the lower end of the ejector rod, and the lower end of the wire clamping hole is used for aligning a gap between two adjacent groups of A-end twisted wires on the wire twisting die; be provided with first driving piece and second driving piece in the frame, first driving piece is used for driving vertical sliding block and slides, and the second driving piece is used for driving vertical carriage and slides. This application has the promotion and draws the effect that material loading efficiency appeared.

Description

Double-layer wire inserting structure of wire twisting machine

Technical Field

The application relates to the field of processing technologies of a hairpin motor, in particular to a double-layer wire inserting structure of a wire twisting machine.

Background

The hairpin motor is also called a flat wire motor, has the characteristics of small volume, large power and high torque, meets the development requirements of new energy automobiles, and also meets the development trend of the industry, wherein a stator component on the hairpin motor comprises an outgoing line and an A-end twisted line, the A-end twisted line is used for being wound on the stator to form a winding, and the outgoing line is used for guiding external current to the A-end twisted line, so that the stator generates a magnetic field, and the rotor rotates.

In the related technology, the leading-out wires and the A-end twisted wires are both arranged in a U-shaped bending mode, the leading-out wires are usually clamped and embedded on a plurality of A-end twisted wires before the A-end twisted wires are subjected to a twisting process, specifically, a twisted wire die is used when the A-end twisted wires are subjected to the twisting process, a plurality of discharging grooves used for containing the A-end twisted wires are uniformly arranged on the twisted wire die, the bottoms of the discharging grooves are open, when the twisting process is required, the A-end twisted wires are placed in the discharging grooves, two A-end twisted wires are arranged in each discharging groove, specifically, the bending inner side of one A-end twisted wire is attached to the bending outer side of the other A-end twisted wire, the surface of the bending outer side of the A-end twisted wire positioned on the outer side is abutted to the inner wall of the discharging groove, the bending end of the A-end twisted wire is positioned above the open end, and then the worker manually plugs the bending end of the A-end twisted wire in the adjacent two discharging grooves, and the open end of the outgoing line is upward, then the twisting die is sent into the process of twisting the A-end twisting line, after the process is finished, the outgoing line is clamped between the two adjacent groups of the A-end twisting lines, and therefore the purpose that the outgoing line can guide current to the A-end twisting line is achieved.

To the above-mentioned correlation technique, the inventor thinks that there is this kind of mode of plugging in the lead-out wire between two sets of adjacent a end twisted wire, after plugging in first lead-out wire to between two sets of adjacent a end twisted wire, the interval between two sets of adjacent a end twisted wire on other positions can diminish, then next lead-out wire just need break off two sets of adjacent a end twisted wire when plugging in off, make the interval between two sets of adjacent a end twisted wire grow for lead to the lower defect of production efficiency.

SUMMERY OF THE UTILITY MODEL

In order to promote the efficiency that a plurality of lead-out wires are filled in to the interval between the adjacent two sets of A end twisted wire of many, this application provides a double-deck wiring structure of twisted wire machine.

The application provides a double-deck wiring structure of twisted wire machine adopts following technical scheme:

a double-layer wire inserting structure of a wire twisting machine comprises a rack, a vertical sliding block, an ejector rod, a vertical sliding frame and a wire clamping die for loading outgoing wires, wherein the vertical sliding block is vertically and slidably arranged on the rack; one end of each ejector rod is arranged on the lower surface of the vertical sliding block, the other end of each ejector rod vertically extends in the direction far away from the vertical sliding block, and a plurality of ejector rods are uniformly arranged around the axis of the vertical sliding block; the vertical sliding block is vertically arranged on the rack in a sliding manner, and the vertical sliding frame is positioned below the ejector rod; the wire clamping die is arranged on the vertical sliding frame, a wire clamping hole matched with the ejector rod is formed in the wire clamping die, the upper end of the wire clamping hole is matched with the lower end of the ejector rod, and the lower end of the wire clamping hole is used for aligning a gap between two adjacent groups of A-end twisted wires on the wire twisting die; the rack is provided with a first driving piece and a second driving piece, the first driving piece is used for driving the vertical sliding block to vertically slide, and the second driving piece is used for driving the vertical sliding frame to vertically slide.

By adopting the technical scheme, when the outgoing lines are fed, the second driving part can be started firstly to enable the vertical sliding frame to move downwards, when the wire clamping die moves to a proper position above the wire twisting die along with the vertical sliding frame, the second driving part is closed, then the first driving part is started to enable the vertical sliding block to slide downwards, in the process, the ejector rod can push the outgoing lines in the wire clamping hole to enable the bending ends of the outgoing lines to be inserted into the space between the two adjacent groups of A end twisting lines, so that the feeding work of the outgoing lines is completed, compared with a mode that a plurality of outgoing lines are respectively inserted, the design mode enables the outgoing lines to be simultaneously inserted into the space between the two adjacent groups of A end twisting lines at different positions, when the outgoing lines are inserted, the spaces between the adjacent A end twisting lines are simultaneously squeezed open, and the situation that the space in the inserting position of one outgoing line is greatly reduced due to the insertion of other outgoing lines is not easy to occur, therefore, the situation that one outgoing line can be inserted only by additionally and independently breaking two adjacent groups of A-end twisted lines is not easy to occur, and the production efficiency is improved.

Preferably, the rack is provided with a guide rail, and the length direction of the guide rail is vertically arranged; and a sliding seat is further arranged on the vertical sliding frame, and the sliding seat is sleeved on the guide rail in a sliding manner.

Through adopting above-mentioned technical scheme, because of the setting of guide rail and slide for the vertical carriage of second driving piece drive gliding in-process down, the orbit precision of vertical carriage can be higher, thereby makes vertical sliding block move down to suitable position after, presss from both sides the line hole on the line mould and can aim at the interval between the adjacent two sets of A end twisted wire better.

Preferably, a connecting shaft is vertically arranged on the lower surface of the vertical sliding block, a protection disc is further slidably sleeved on the connecting shaft, and a part of the connecting shaft below the protection disc forms a barrier with the protection disc; the sliding direction of the protection disc is parallel to the axis of the connecting shaft, and a protection hole for the ejector rod to penetrate is further formed in the protection disc.

Through adopting above-mentioned technical scheme, because of the setting of the guard aperture on the protection disc for the ejector pin is at the ejecting in-process of leading-out wire from pressing from both sides the hole, and the ejector pin is also difficult for taking place bending by a wide margin under the condition that receives external force, thereby makes the ejector pin difficult by the rupture.

Preferably, the rack is further provided with a positioning block, and when the vertical sliding frame moves downwards to a proper position, a joint of the second driving piece and the vertical sliding frame and the positioning block form a separation block.

Through adopting above-mentioned technical scheme, because of the setting of locating piece for when the vertical carriage of second driving piece drive moved down, only need to treat the junction butt of second driving piece and vertical carriage and after the separation department of self and locating piece, alright make the double-layered line mould be in the suitable position of turning round line mould top, thereby be difficult for not stopping in time because of the second driving piece, and the condition that the double-layered line mould bumps with turning round the line mould appears, and then reduce the emergence of accident in the production process.

Preferably, the aperture of one part of the wire clamping hole close to the ejector rod is larger than that of one part of the wire clamping hole far away from the ejector rod, and a deformation notch communicated with the outside is arranged on the inner wall of the wire clamping hole.

Through adopting above-mentioned technical scheme, make the lead-out wire by the double-layered line hole clip more steadily, thereby move down the in-process at the double-layered line mould, the lead-out wire is difficult for dropping out from the double-layered line mould, and the setting of deformation breach, make the ejector pin when ejecting the lead-out wire from the double-layered line hole, the double-layered line hole can take place deformation, make the inner wall grow in the double-layered line hole, thereby make the ejector pin can smoothly ejecting the lead-out wire from the double-layered line hole, and then can make the lead-out wire be convenient for by the ejector pin when promoting double-layered line mould centre gripping stability, help promoting the comprehensive properties of double-layered line mould.

Preferably, the inner wall of the wire clamping hole is provided with a limiting groove, and the ejector rod is arranged in the limiting groove in a penetrating mode between the limiting groove and the two ends of the opening of the outgoing line.

Through adopting above-mentioned technical scheme, because of the setting of spacing groove for the ejector pin is at the in-process of top-moving lead-out wire, the tip of ejector pin lower extreme can be along the spacing groove butt on the inboard bottom of lead-out wire bending type, makes the difficult butt of ejector pin serve at one of them of lead-out wire opening part, thereby makes the ejector pin when the top-moving lead-out wire, the difficult one end that appears the lead-out wire opening part takes place to buckle and makes the condition of lead-out wire card on the trapping mechanism hole inner wall, and then helps promoting the smoothness nature of the ejecting lead-out wire of ejector pin.

Preferably, a guide hole communicated with the wire clamping hole is formed in one side surface, close to the ejector rod, of the wire clamping die, and an orifice of the guide hole, close to one end of the ejector rod, is larger than an orifice of the guide hole, close to one end of the wire clamping hole.

Through adopting above-mentioned technical scheme, because of the setting of bullport, then when there is little skew in the position between ejector pin and the double-layered line hole, the ejector pin can take place little buckling under the guide of bullport inner wall, then smoothly stretches into in the double-layered line hole to reducible because of the installation error the condition that the ejector pin can't stretch into in the double-layered line hole appears.

Preferably, the vertical sliding frame is in an L-shaped bent shape, the bent inner side faces the vertical sliding block, and the wire clamping die is arranged on the bent inner side of one end, far away from the vertical sliding block, of the vertical sliding frame; and a reinforcing block is arranged at the bent part of the vertical sliding frame.

Through adopting above-mentioned technical scheme, because of pressing from both sides line mould itself and have certain weight, so the setting of boss for the difficult rupture that takes place of the department of buckling of vertical carriage, thereby promote the structural strength of vertical carriage.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the rack, the vertical sliding block, the ejector rod, the vertical sliding frame and the wire clamping die, the outgoing lines can be simultaneously inserted into the space between the two adjacent groups of A end twisted lines at different positions, when the outgoing lines are inserted, the spaces between the adjacent A end twisted lines can be simultaneously squeezed open by the outgoing lines, the situation that the space on the insertion position of one outgoing line is greatly reduced due to the insertion of other outgoing lines is not easy to occur, the situation that one outgoing line can be inserted only by additionally and independently breaking the two adjacent groups of A end twisted lines is not easy to occur, and the production efficiency is improved;

2. through the arrangement of the guide rail and the sliding seat, in the process that the second driving piece drives the vertical sliding frame to slide downwards, the track precision of the vertical sliding frame is higher, so that after the vertical sliding block moves downwards to a proper position, the wire clamping holes in the wire clamping die can better align with the space between two adjacent groups of A-end twisted wires;

3. through the arrangement of the protection disc and the protection hole, the ejector rod is not easy to bend greatly when being subjected to external force in the process of ejecting the outgoing line from the clamping hole, so that the ejector rod is not easy to break.

Drawings

Fig. 1 is a schematic structural diagram of a double-layer wire plugging structure of a wire twisting machine in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a wire clamping mold in the embodiment of the application.

Fig. 3 is an enlarged view at a in fig. 2.

Description of reference numerals: 1. a frame; 11. a guide rail; 2. a vertical sliding block; 21. a connecting shaft; 3. a top rod; 4. a vertical sliding frame; 41. a slide base; 5. a wire clamping mold; 51. a wire clamping hole; 52. deformation gaps; 53. a limiting groove; 54. a guide hole; 6. a first driving member; 7. a second driving member; 8. a protection disk; 81. a protective hole; 9. positioning blocks; 10. a reinforcing block; 101. a carriage.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses double-deck wiring structure of twisted wire machine. Referring to fig. 1, the double-layer wire plugging structure includes a first driving member 6 fixed on a frame 1, in this embodiment, the first driving member 6 is a hydraulic cylinder, the first driving member 6 is fixed on the frame 1 by a bolt, a piston rod of the first driving member 6 is disposed downward, and a vertical sliding block 2 is further fixed on the piston rod of the first driving member 6 by a sliding frame 101, so as to achieve the purpose of enabling the vertical sliding block 2 to be vertically slidably disposed on the frame 1, in addition, in this embodiment, the sliding frame 101 is slidably connected with the frame 1 by a sliding rail, so that the sliding track accuracy of the vertical sliding block 2 can be improved.

Referring to fig. 1, still there is guide rail 11 through the bolt fastening in frame 1, guide rail 11 is located vertical sliding block 2 below, and the length direction of guide rail 11 is vertical setting, and frame 1 is provided with vertical carriage 4 in the position department at guide rail 11 place, it is concrete, vertical carriage 4 wholly is the L shape of buckling, and still be fixed with slide 41 on the vertical sliding block 2, and slide 41 sliding sleeve establishes on guide rail 11, thereby just make vertical carriage 4 slide the purpose of setting on frame 1, in addition vertical carriage 4 buckle inboard towards the top, so vertical carriage 4 keeps away from the inboard of buckling of vertical sliding block 2 one end and can regard as the basis of placing of article.

Referring to fig. 1, a second driving member 7 is further fixed to the frame 1 by bolts, in this embodiment, the second driving member 7 is a hydraulic cylinder, a piston rod of the second driving member 7 faces downward, and the piston rod of the second driving member 7 is further fixed to the vertical sliding block 2 by bolts, so that the vertical sliding block 4 can be driven by the second driving member 7 to slide up and down.

Referring to fig. 1 and 2, a plurality of ejector rods 3 are fixed on the lower surface of the vertical sliding block 2, and the ejector rods 3 are uniformly arranged around the axis of the vertical sliding block 2, specifically, one end of each ejector rod 3 is fixed on the lower surface of the vertical sliding block 2, and the other end extends towards the direction close to the vertical sliding frame 4; vertical carriage 4 is kept away from being fixed with double-layered line mould 5 on the inboard of buckling of 3 one ends of ejector pin, and is concrete, and double-layered line mould 5 is whole roughly to be the pipe body shape to still an organic whole has seted up a plurality of double-layered line holes 51 on the double-layered line mould 5, and a plurality of double-layered line holes 51 evenly set up around the axis of double-layered line mould 5, and double-layered line hole 51 is located the week side edge of double-layered line mould 5.

Referring to fig. 1 and 2, in the present embodiment, the upper end of the wire clamping hole 51 is opposite to the lower end of the ejector rod 3, the lower end of the wire clamping hole 51 is opposite to the distance between two adjacent a-end twisted wires on the twisted wire die, and the outgoing wire is clamped in the wire clamping hole 51, wherein the outgoing wire is bent in a U-shape, the bent end of the outgoing wire is below, and the open end is above, when a material is to be loaded, the second driving member 7 is first started, so that the vertical sliding frame 4 drives the wire clamping die 5 to move down to a proper position, and then the first driving member 6 is started, so that the ejector rod 3 moves down, and in the process of moving down the ejector rod 3, the outgoing wire is ejected from the wire clamping hole 51, and when the bent end of the outgoing wire is inserted into the distance between two adjacent a-end twisted wires, the loading process of the outgoing wire is completed.

Referring to fig. 1 and 2, in this embodiment, when the outgoing lines are loaded, the outgoing lines are inserted into the space between the two adjacent sets of a-end twisted lines at different positions, so that when the outgoing lines are inserted, the space between the two adjacent sets of a-end twisted lines at a certain position is not easily reduced greatly due to the insertion of the outgoing lines at other positions, and therefore the situation that one of the outgoing lines needs to be separated from the two adjacent sets of a-end twisted lines to be inserted alone is not easily caused, which is helpful for improving the overall production efficiency.

Referring to fig. 1, two connecting shafts 21 are fixed on the lower surface of the vertical sliding block 2, specifically, one end of each connecting shaft 21 is fixed on the lower surface of the vertical sliding block 2, the other end of each connecting shaft extends vertically in the direction away from the vertical sliding block 2, and the connecting shaft 21 is further sleeved with a protection disc 8 in a sliding manner.

Referring to fig. 1 and 2, in the present embodiment, the protection disk 8 is in a disk shape, and a plurality of protection holes 81 are opened at a position of the protection disk 8 near the circumferential edge, the plurality of protection holes 81 are uniformly arranged around the axis of the protection disk 8, and the ejector rod 3 is further inserted into the protection holes 81, so that when the ejector rod 3 moves down to eject the outgoing line from the line clamping hole 51, the protection holes 81 can protect the ejector rod 3 to a certain extent, and the ejector rod 3 is not easily bent by a large margin under the influence of an external force, so that the ejector rod 3 is not easily broken.

Referring to fig. 1, frame 1 is being close to vertical carriage 4 department and is having locating piece 9 through the bolt fastening, it is concrete, locating piece 9 is the T shape, the upper surface of the bellied one end of locating piece 9 can with the piston rod of second driving piece 7 and vertical carriage 4 junction butt, then when making second driving piece 7 drive vertical carriage 4 move down, after the junction butt of second driving piece 7 piston rod and vertical carriage 4 is at the upper surface of the bellied one end of locating piece 9, second driving piece 7 just can' T move down in addition vertical carriage 4, so the restriction of accessible locating piece 9 position, make the in-process that presss from both sides line mould 5 and move down, the difficult line mould of turning round that is in self below of colliding, thereby reduce the emergence of accident in the production process.

Referring to fig. 2 and 3, in the embodiment, the aperture of a portion of the wire clamping hole 51 close to the ejector rod 3 is larger than the aperture of a portion of the wire clamping hole 51 far from the ejector rod 3, and the aperture of the wire clamping hole 51 is in a transition mode of being uniformly reduced from top to bottom, so that when the outgoing wire is clamped by the wire clamping hole 51, the outgoing wire can be clamped by the wire clamping hole 51 more stably, and the outgoing wire is not easy to drop out of the wire clamping hole 51 in the downward moving process of the wire clamping die 5, so that the feeding process of the subsequent outgoing wire is not easy to be affected.

Referring to fig. 1 and 3, deformation notch 52 has been seted up to an organic whole on the inner wall of clip line hole 51, and deformation notch 52 sets up along the extending direction of clip line hole 51, so when ejector pin 3 is ejecting the lead-out wire from clip line hole 51 gradually, deformation notch 52's setting can make clip line hole 51 take place deformation, then just can make the internal diameter grow of clip line hole 51, thereby make ejector pin 3 can be ejecting the lead-out wire smoothly, and then can make ejector pin 3 can be ejecting the lead-out wire smoothly when keeping clip line hole 51 centre gripping stability, help promoting the practicality of clip line mould 5.

Referring to fig. 1 and fig. 3, in this embodiment, a limiting groove 53 is further integrally formed on the inner wall of the wire clamping hole 51, and a length direction of the limiting groove 53 is parallel to a length direction of the wire clamping hole 51, specifically, when the outgoing wire is in the wire clamping hole 51, the limiting groove 53 is located between two ends of the opening of the outgoing wire, and when the ejector rod 3 is located in the wire clamping hole 51, the ejector rod 3 is further inserted into the limiting groove 53, so that when the ejector rod 3 pushes the outgoing wire, the lower end of the ejector rod 3 can be abutted against the bottom of the bent inner side of the outgoing wire, and the ejector rod 3 is not abutted against one end of the opening of the outgoing wire, so that subsequently when the outgoing wire is pushed to move, one end of the opening of the outgoing wire is not bent easily, and the outgoing wire is clamped in the wire clamping hole 51, which helps to improve the smoothness of the outgoing wire pushed out by the ejector rod 3.

Referring to fig. 1 and 3, in the present embodiment, a guide hole 54 communicating with the wire clamping hole 51 is formed on an end surface of the wire clamping mold 5 near the ejector pin 3, specifically, the cross section of the guide hole 54 is T-shaped, and an inner wall of the guide hole 54 is inclined, so that an opening of the guide hole 54 near one end of the ejector pin 3 is larger than an opening near one end of the wire clamping hole 51, and therefore, when a slight error exists between the position of the ejector pin 3 and the position of the wire clamping hole 51, the ejector pin 3 can be slightly bent under the guidance of the inner wall of the guide hole 54 before being inserted into the wire clamping hole 51, and then can smoothly extend into the wire clamping hole 51, so that the situation that the machine cannot be used due to a slight installation error is not easily caused.

Referring to fig. 1, in this embodiment, a reinforcing block 10 is integrally fixed at the bending inner side of the vertical sliding frame 4, and the wire clamping mold 5 has a certain weight, so that the overall structural strength of the vertical sliding frame 4 is improved due to the arrangement of the reinforcing block 10, and the bending part of the vertical sliding frame 4 is not easily broken.

The implementation principle of the double-layer wire inserting structure of the wire twisting machine in the embodiment of the application is as follows: when the outgoing line is to be loaded, the second driving part 7 is started firstly, so that the second driving part 7 drives the vertical sliding frame 4 to move downwards, when the joint of a piston rod of the second driving part 7 and the vertical sliding frame 4 is abutted to the upper surface of the positioning block 9, the wire clamping die 5 is located at a proper position above the wire twisting die, then the first driving part 6 is started, so that the ejector rod 3 moves downwards, the ejector rod 3 can push the outgoing line in the wire clamping hole 51 in the downward moving process, so that the outgoing line is separated from the wire clamping hole 51 gradually, and when the bending end of the outgoing line is inserted into the space between two adjacent groups of A end twisted lines on the wire twisting die, the outgoing line loading process is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a double-deck wiring structure of twisted wire machine which characterized in that: the device comprises a rack (1), a vertical sliding block (2), an ejector rod (3), a vertical sliding frame (4) and a wire clamping die (5) for loading outgoing wires, wherein the vertical sliding block (2) is vertically and slidably arranged on the rack (1); one end of each ejector rod (3) is arranged on the lower surface of the corresponding vertical sliding block (2), the other end of each ejector rod vertically extends in the direction far away from the corresponding vertical sliding block (2), and a plurality of ejector rods (3) are uniformly arranged around the axis of the corresponding vertical sliding block (2); the vertical sliding block (2) is vertically arranged on the rack (1) in a sliding manner, and the vertical sliding frame (4) is positioned below the ejector rod (3); the wire clamping die (5) is arranged on the vertical sliding frame (4), a wire clamping hole (51) matched with the ejector rod (3) is formed in the wire clamping die (5), the upper end of the wire clamping hole (51) is matched with the lower end of the ejector rod (3), and the lower end of the wire clamping hole (51) is used for aligning a gap between two adjacent groups of A-end twisted wires on the wire twisting die; the automatic sliding rack is characterized in that a first driving piece (6) and a second driving piece (7) are arranged on the rack (1), the first driving piece (6) is used for driving the vertical sliding block (2) to vertically slide, and the second driving piece (7) is used for driving the vertical sliding rack (4) to vertically slide.

2. The double-layer wire insertion structure of the wire twisting machine according to claim 1, wherein: a guide rail (11) is arranged on the rack (1), and the length direction of the guide rail (11) is vertically arranged; a sliding seat (41) is further arranged on the vertical sliding frame (4), and the sliding seat (41) is sleeved on the guide rail (11) in a sliding mode.

3. The double-layer wire insertion structure of the wire twisting machine according to claim 1, wherein: a connecting shaft (21) is vertically arranged on the lower surface of the vertical sliding block (2), a protection disc (8) is further slidably sleeved on the connecting shaft (21), and a part of the connecting shaft (21) below the protection disc (8) forms a barrier with the protection disc (8); the sliding direction of the protection disc (8) is parallel to the axis of the connecting shaft (21), and a protection hole (81) for the ejector rod (3) to penetrate through is further formed in the protection disc (8).

4. The double-layer wire insertion structure of the wire twisting machine according to claim 1, wherein: the rack (1) is further provided with a positioning block (9), and when the vertical sliding frame (4) moves downwards to a proper position, the joint of the second driving piece (7) and the vertical sliding frame (4) and the positioning block (9) form a separation block.

5. The double-layer wire insertion structure of the wire twisting machine according to claim 1, wherein: the hole diameter of one part of the wire clamping hole (51) close to the ejector rod (3) is larger than the hole diameter of one part of the wire clamping hole far away from the ejector rod (3), and a deformation notch (52) communicated with the outside is arranged on the inner wall of the wire clamping hole (51).

6. The double-layer wire insertion structure of the wire twisting machine according to claim 1, wherein: be provided with spacing groove (53) on the inner wall in double-layered line hole (51) to between spacing groove (53) and the both ends of lead-out wire opening part, in addition ejector pin (3) still wear to establish in spacing groove (53).

7. The double-layer wire insertion structure of the wire twisting machine according to claim 6, wherein: a guide hole (54) communicated with the wire clamping hole (51) is formed in the surface of one side, close to the ejector rod (3), of the wire clamping die (5), and an orifice of one end, close to the ejector rod (3), of the guide hole (54) is larger than an orifice of one end, close to the wire clamping hole (51).

8. The double-layer wire insertion structure of the wire twisting machine according to claim 1, wherein: the vertical sliding frame (4) is in an L-shaped bent shape, the bent inner side faces the vertical sliding block (2), and the wire clamping die (5) is arranged on the bent inner side of one end, far away from the vertical sliding block (2), of the vertical sliding frame (4); and a reinforcing block (10) is arranged at the bent part of the vertical sliding frame (4).

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