CN212397963U - High-speed cold header - Google Patents

Abstract

The utility model discloses a high-speed cold heading machine, including clamp parts, control the clamp unit that sets up the multiunit side by side on clamp parts's the clamp seat, its characterized in that: each group of clamp units comprises a left clamp claw, a right clamp claw and a clamp shaft, the clamp shaft is rotatably arranged on a clamp seat, the clamp shaft is rotated and pushed by an opening and closing clamp cam structure, the rotation return of the clamp shaft is pushed by a clamp shaft return spring, the left clamp claw is fixedly connected to the right clamp arm, the right clamp arm is fixedly connected to the front shaft end of the clamp shaft of the group of clamp units, the right clamp claw is fixedly connected to the left clamp arm, the left clamp arm is rotatably connected to the front shaft end of the clamp shaft of the left group of clamp units adjacent to the group of clamp units, the left clamp arm and the right clamp arm are mutually staggered and are respectively provided with a sliding groove and a pushing block at the staggered. The utility model discloses clamp is opened and shut and moving part simple structure light in weight cuts off the wire rod fast and safe ejecting, realizes going on at a high speed of cold-heading operation, and installation regulation is convenient simultaneously, keeps the work precision for a long time.

Description

High-speed cold header

Technical Field

The utility model relates to a cold heading machine.

Background

The cold header is a device for cutting and cold extruding various processed metal wires to make the wires cold-headed and formed in a die, and is used for processing various standard and non-standard fasteners and automobile parts. The clamp needs to open and close and slide left and right during cold heading operation of the cold heading machine, the clamp opening and closing structure is complex, the weight of the left and right sliding parts of the clamp is heavier, and meanwhile, the rapid cutting and safe ejection of the wire can not be realized, so that the high-speed operation of the cold heading operation is difficult to ensure; in addition, the installation and adjustment of an opening and closing clamp cam structure, a die structure and the like for controlling the opening and closing of the clamp are inconvenient, and the adverse effect on the cold heading efficiency of the cold header is also caused; in addition, when the cold heading machine performs cold heading operation and the main sliding block driving the die component to move slides back and forth on the inner side of the workbench, in order to ensure the cold heading precision, a small sliding gap is required between the left side surface and the right side surface of the main sliding block and the inner side surface of the workbench, but when the sliding gap is small, the side surface of the main sliding block is easily abraded too fast, so that equipment failure is caused.

Disclosure of Invention

The not enough to prior art exists, the utility model aims at providing a clamp opens and shuts and remove partial simple structure light in weight, cuts off the wire rod fast and safe ejecting, realizes going on at a high speed of cold-heading operation, and installation regulation is convenient simultaneously, keeps the high-speed cold heading machine of work precision for a long time.

The utility model discloses a through following technical scheme implement:

high-speed cold heading machine cuts off part, main slider and main drive part including clamp part, die part, wire rod, and clamp part has the clamp seat, controls on the clamp seat and sets up the unit of the clamp of multiunit side by side, and the top of die block case is located in the clamp seat activity, and die block case links to each other its characterized in that with fixed mounting's the clamp seat that moves: each group of clamp units comprises a left clamp claw, a right clamp claw and a clamp shaft, relative opening and closing actions are performed between the left clamp claw and the right clamp claw, the clamp shaft is rotatably arranged on a clamp seat, the clamp shaft is rotated and pushed by an opening and closing clamp cam structure, the rotating return of the clamp shaft is pushed by a clamp shaft return spring, the left clamp claw is fixedly connected to a right clamp arm, the right clamp arm is fixedly connected to the front shaft end of the clamp shaft of the group of clamp units, the right clamp claw is fixedly connected to the left clamp arm, the left clamp arm is rotatably connected to the front shaft end of the clamp shaft of the left group of clamp units adjacent to the group of clamp units, the left clamp arm and the right clamp arm are mutually staggered, sliding grooves and pushing blocks. The clamp seat can slide left and right and locate the top surface of end mould case, the horizontal slip of clamp seat is promoted by clamp seat gyro wheel, one side of clamp seat is equipped with the gyro wheel locating frame and lets clamp seat gyro wheel be located wherein, clamp seat gyro wheel is connected in the bottom of triangle swing arm, triangle swing arm can swing and locate and move on the clamp seat, the left side angle of triangle swing arm passes through left connecting rod and connects left crank, the right angle of triangle swing arm passes through right connecting rod and connects right crank, left and right crank can swing and locate on the crank axle, left and right crank does the reverse swing at the during operation, left crank's swing is promoted by left crank cam, right crank's swing is promoted by right crank cam, left and right crank cam installs on moving the pincers pinion shaft, it is driven by main motor to move the pincers pinion shaft.

According to the cold heading machine, the opening and closing structure of the clamp is simple and light in weight, the clamp seat which drives the clamp opening and closing structure to slide left and right is also simple and light in weight, so that the opening and closing and sliding actions of the clamp during cold heading operation are flexible and light, and basic technical guarantee is provided for realizing high speed cold heading operation.

Preferably, the opening and closing clamp cam structure drives the clamp shaft to rotate through the up-and-down swing of the middle swing arm, the middle swing arm can be arranged on the swing arm seat in the up-and-down swing mode, the swing arm seat is fixedly arranged on the clamp moving seat, the rear shaft end of the clamp shaft is fixedly connected with the rear crank, the rear crank is provided with the front roller, the front roller is in rolling contact with the bottom of the front arm end of the middle swing arm, the rear arm end of the middle swing arm is provided with the rear roller, and the rear roller is in contact with the opening and closing clamp cam of the opening and closing.

Preferably, the cam structure of the opening and closing clamp comprises a cam mandrel and a plurality of groups of opening and closing clamp cams which are arranged on the cam mandrel in parallel from left to right, each group of the opening and closing clamp cams are independently installed and can be circumferentially adjusted on the cam mandrel, a scale ring is arranged between adjacent groups of the opening and closing clamp cams and fixed on the cam mandrel, one shaft end of the cam mandrel is provided with a bearing, the bearing is pressed and fixed on the movable clamp seat by a pressing cover, the other shaft end of the cam mandrel is connected with the movable clamp gear shaft, and the movable clamp gear shaft is rotatably arranged on the movable clamp seat. The switching pincers cam structure that above-mentioned design can realize opening and shutting of control clamp adjusts outside the machine, the installation is adjusted conveniently, outside the machine, can be in advance according to the follow-up product that needs the cold-heading of cold heading machine, correspond data and carry out the circumferential position adjustment of switching pincers cam in advance according to the scale through the scale alignment, after the adjustment is accomplished, when equipment needs this kind of product of cold-heading, just can be directly with the switching pincers cam structure that outside adjustment was accomplished and the switching pincers cam structure of former installation on the unit replace can, save adjustment time greatly, guarantee the improvement of the cold-heading operating efficiency of cold heading machine.

Preferably, the wire cutting part comprises a fixed cutting board and a movable cutting board, the fixed cutting board and the movable cutting board are provided with wire through holes, the fixed cutting board is fixedly mounted on the front face of the bottom die box, the movable cutting board is tightly attached to the fixed cutting board and moves up and down, the upward movement of the movable cutting board is pushed by a cutting board ejector rod, the movable cutting board is pushed to reset by a cutting board spring after moving upward, the cutting board ejector rod is movably arranged up and down below the movable cutting board, the upward movement of the cutting board ejector rod is pushed by a cutting board ejector rod cam, and the cutting board ejector rod is pushed to reset by a cutting board ejector rod spring after moving upward. The lower rod end of the cutter plate ejector rod is connected with a small triangular swing arm, the small triangular swing arm swings back and forth around a fixed fulcrum shaft, a swing arm roller is installed at one corner end of the small triangular swing arm, the swing arm roller is in rolling contact with a cutter plate ejector rod cam, and the cutter plate ejector rod cam can be circumferentially adjusted and installed on a rear through drive gear shaft. The wire cutting component further comprises a pushing ejector rod, the pushing ejector rod is movably arranged back and forth, the pushing ejector rod is aligned with the wire perforation of the upper limit position movable cutting board front and back, the pushing ejector rod moves forwards and is pushed by a pushing ejector rod spring, the pushing ejector rod is pushed to return after moving forwards, the pushing swing arm can swing back and forth and is arranged on a pushing swing arm shaft, a pushing swing arm roller is arranged on the pushing swing arm and is in contact with a pushing ejector rod cam, and the pushing ejector rod cam is fixedly arranged on a shifting clamp gear shaft.

In the wire cutting component of the technical scheme, when the wire cutting work is carried out, a metal wire firstly passes through the middle of the wire through holes of the fixed cutter plate and the movable cutter plate (at the moment, the movable cutter plate is at the lower limit position, the movable cutter plate is aligned with the wire through hole of the fixed cutter plate front and back), then the cutter plate ejector rod rapidly moves upwards under the action of the cutter plate ejector rod cam to push the movable cutter plate to rapidly move upwards to cut the metal wire, the cut surface is flat, after the cut, the movable cutter plate is at the upper limit position, the cut metal wire is ejected outwards from the wire through hole of the movable cutter plate by the action of the pushing ejector rod to be clamped by a clamp, after the cut wire is ejected, if the pushing ejector rod cannot smoothly exit from the wire through hole of the movable cutter plate, after the cutter plate ejector rod returns, the cutter plate spring cannot push the movable cutter plate because the pushing ejector rod can block the downward movement of the movable cutter plate, the pushing force of the knife plate spring is not enough to cut off the pushing ejector rod by the movable knife plate, so that the wire can be cut off quickly and ejected safely, and the cold heading operation can be carried out at high speed.

Preferably, the die component comprises a die holder, the die holder is arranged on the front side of the main sliding block, the back side of the die holder is fixedly connected with a positioning clamping plate through a pull rod, left and right positioning pins are fixedly arranged on the left and right sides of the back side of the die holder close to the top, the main sliding block is provided with a positioning clamping groove corresponding to the positioning clamping plate, a positioning supporting surface is arranged on the main sliding block and corresponds to left and right positioning pins through positioning pin holes, the left positioning pin is supported by the positioning supporting surface, the right positioning pin is supported by the positioning pin holes and is limited to the right positioning pin in the left and right directions, a screw rod which is arranged in a forward extending mode is arranged on. The design can simply realize the external adjustment of the die component so as to conveniently adjust the alignment of the upper die hole and the lower die hole, the installation and the adjustment are convenient, and the cold heading efficiency of the cold header is improved.

Preferably, the main sliding block is arranged inside the workbench of the cold header in a front-back sliding mode, when the main sliding block slides to the working position, small sliding gaps are formed between the left side surface and the right side surface of the main sliding block and the inner side surface of the workbench, when the main sliding block is far away from the working position, large sliding gaps are formed between the left side surface and the right side surface of the main sliding block and the inner side surface of the workbench, and an inclined surface transition is arranged between the large sliding gap and the small sliding gap. Through the design, the main sliding block has a small sliding gap between the left side surface and the right side surface of the main sliding block and the inner side surface of the workbench only when the main sliding block enters the working position of cold heading operation, so that the cold heading precision is ensured, and the main sliding block can slide forwards and backwards to form a large sliding gap with the inner side surface of the workbench at ordinary times, so that the main sliding block is ensured to move smoothly without being worn at an excessive speed.

Preferably, the main transmission component comprises a main motor, the main motor transmits a main crank gear shaft through a clutch device which is independently installed, the main crank gear shaft is used for pushing a main sliding block, the main crank gear shaft is transmitted through a middle transition gear and then drives a gear shaft, the main crank gear shaft also transmits a shifting clamp gear shaft through a chain, the clutch device comprises a clutch seat, a clutch shaft, a pneumatic brake element and a pneumatic clutch element, the clutch seat is fixedly installed on the outer side of the workbench, the clutch shaft is rotatably arranged in the clutch seat, the clutch shaft is provided with a pinion and a belt wheel, the pinion is fixed on the clutch shaft, the pinion is meshed with a large gear which is installed on the main crank gear shaft, the belt wheel is rotatably arranged on the clutch shaft, the belt wheel is in transmission connection with the main motor through a belt, the pneumatic clutch element is arranged on the outer side of the clutch shaft and fixedly connected with the belt wheel, and an inner, the pneumatic brake element is arranged on the inner side of the clutch shaft and fixedly connected with the clutch seat, and an inner hole of the air expansion shaft of the pneumatic brake element is sleeved at the inner shaft end of the clutch shaft.

After the technical scheme is adopted, the clutch device in the main transmission component is independent of the main crank gear shaft for installation, and the pneumatic clutch and the pneumatic brake elements can be respectively positioned at two shaft ends of the clutch shaft, so that the quick response is realized, the excessive deformation of the main crank gear shaft is avoided, and the basic technical guarantee is provided for realizing the high-speed cold heading operation.

Drawings

The utility model discloses there is following figure:

figure 1 is the outline structure diagram of the utility model,

figure 2 is an internal structural view of figure 1,

FIG. 3 is a schematic view showing the structure of a clamping member and a wire cutting member,

figure 4 shows a connecting structure of a part of the component parts in figure 3,

figure 5 is a block diagram of the clamp base and clamp unit of figure 4,

figure 6 is a connecting structure of a part of the component in figure 3,

figure 7 is a view of figure 6 with parts removed,

figure 8 is a view of the cam structure and mounting of the opening and closing pliers of figure 3,

figure 9 is a schematic view of the structure of the wire cutting member,

figure 10 is an enlarged view of a portion of figure 9,

FIG. 11 is a view showing a sliding structure of the main slider inside the table,

figure 12 is a view of the mounting of the die components on the main slide,

figure 13 is an isolated view of the main slide of figure 12,

figure 14 is an isolated view of the die component of figure 12,

figure 15 is a view showing the configuration of the clutch device of figure 1,

fig. 16 is an axial cross-sectional view of the clutch device of fig. 15.

Detailed Description

As shown in fig. 1-8, the utility model discloses a high-speed cold heading machine, including clamp part 2, die part 4, wire rod cutting part 8, main slider 5 and main drive part, main drive part includes main motor 10, and main motor 10 passes through clutch 7 transmission main crank gear axle 11 of independent installation, and main crank gear axle 11 is used for the promotion of main slider 5, leads to drive gear shaft 13 behind main crank gear axle 11 through the transmission of middle transition gear 14, and main crank gear axle 11 still moves pincers gear shaft 12 through chain drive. The clamp part 2 is provided with a clamp seat 35, five groups of clamp units are arranged on the left and right side by side on the clamp seat 35, the clamp seat 35 can be arranged on the top surface of a bottom mould box 3 in a left-right sliding manner, the bottom mould box 3 is connected with a fixedly installed clamp moving seat 1, each group of clamp units comprises a left clamping jaw 43, a right clamping jaw 44 and a clamp shaft 34, the left clamping jaw and the right clamping jaw perform relative opening and closing actions, the clamp shaft 34 is arranged in the front-back direction, the clamp shaft 34 is rotatably arranged on the clamp seat 35, the clamp shaft 34 is rotated and pushed by an opening and closing clamp cam structure 9, the rotary return of the clamp shaft 34 is pushed by a clamp shaft return spring 33, the left clamping jaw 43 is fixedly connected on a right clamping arm 45, the right clamping arm 45 is fixedly connected to the front shaft end of the clamp shaft 34 of the group of clamp units, the right clamping jaw 44 is fixedly connected to the left clamping arm 42, the left clamping, the left clamping arm 42 and the right clamping arm 45 are mutually staggered, a sliding groove 40 and a pushing block 41 are respectively arranged at the staggered parts, the pushing block 41 is positioned in the sliding groove 40, the position of the pushing block 41 in the sliding groove 40 can be adjusted through an upper screw and a lower screw, so that the left and right alignment of the clamp center and the center of a die hole in a bottom die box is realized, and the pushing block 41 is installed on the right clamping arm 45.

The left and right sliding of the clamp seat 35 is pushed by the clamp seat roller 36, the left side of the clamp seat 35 is provided with a roller positioning frame 37 for the clamp seat roller 36 to be positioned therein, the clamp seat roller 36 is connected to the bottom of the triangular swing arm 38, the triangular swing arm 38 can be arranged on the clamp moving seat 1 in a swinging mode through a swing arm shaft 39, the left corner of the triangular swing arm 38 is connected with the left crank 16 through the left connecting rod 15, the right corner of the triangular swing arm 38 is connected with the right crank 19 through the right connecting rod 18, the left crank 16 and the right crank 19 can be arranged on the crank shaft 21 in a swinging mode, the left crank and the right crank do reverse swinging during work, the swinging of the left crank 16 is pushed by the left crank cam 47 through the roller 17, the swinging of the right crank 19 is pushed by the right crank cam 22 through the roller 20, the left crank cam 47 and the right crank cam 22 are fixedly arranged on the clamp moving gear shaft 12, and the clamp moving gear shaft 12 is arranged on.

Opening and closing pincers cam structure 9 includes cam spindle 27 and makes six groups of opening and closing pincers cams 23 that set up side by side about cam spindle 27, every group opening and closing pincers cam 23 independently installs and can carry out circumference regulation on cam spindle 27, it fixes on cam spindle 27 to be equipped with scale ring 24 between the adjacent group opening and closing pincers cam 23, cam spindle 27's right side axle head is equipped with bearing 62, bearing 62 is compressed tightly by gland 26 and fixes on moving pincers seat 1, cam spindle 27's left side axle head is connected with moving pincers pinion shaft 12, it is to have connection structure: the left shaft end of the cam mandrel 27 is provided with a taper head which is inserted into a taper hole 59 of the right shaft end of the forceps gear shaft 12, the left shaft end of the cam mandrel 27 is provided with a clamping pin 61, and the side wall of the taper hole 59 is provided with a clamping groove 60 corresponding to the clamping pin. The opening and closing clamp cam structure 9 drives the clamp shaft 34 to rotate through the up-and-down swing of the middle swing arm 30, the middle swing arm 30 can be arranged on the swing arm seat 29 through the swing arm shaft 28 in the up-and-down swing mode, the swing arm seat 29 is fixedly arranged on the clamp moving seat 1, the rear shaft end of the clamp shaft 34 is fixedly connected with the rear crank 32, the rear crank 32 is provided with the front roller 31, the front roller 31 is in rolling contact with the bottom of the front arm end of the middle swing arm 30, the rear arm end of the middle swing arm 30 is provided with the rear roller 25, and the rear roller 25 is in contact with the opening and closing clamp cam 23.

As shown in fig. 6, 7, 9 and 10, the wire cutting component 8 includes a fixed knife plate 56, a movable knife plate 55, a knife plate ejector rod 63 and a pushing ejector rod 57, the fixed knife plate 56 and the movable knife plate 55 are provided with wire through holes 54, the fixed knife plate 56 is fixedly mounted on the front surface of the bottom die box 3, the movable knife plate 55 is tightly attached to the front surface of the fixed knife plate 56 and moves up and down by taking a knife plate shaft 53 as a swing fulcrum, the upward movement of the movable knife plate 55 is pushed by the knife plate ejector rod 63, the movable knife plate 55 is pushed to reset by a knife plate spring 52 after moving up, the knife plate ejector rod 63 is movably arranged up and down below the movable knife plate 55, the upward movement of the knife plate ejector rod 63 is pushed by a knife plate ejector rod cam 65, and the knife plate ejector rod 63 is pushed to reset by the knife plate ejector rod spring 66 after; the lower rod end of the knife board ejector rod 63 is connected with a small triangular swing arm 64, the small triangular swing arm 64 swings back and forth around a fixed fulcrum 68, a swing arm roller 67 is installed at one corner end of the small triangular swing arm 64, the swing arm roller 67 is in rolling contact with a knife board ejector rod cam 65, and the knife board ejector rod cam 65 can be circumferentially adjusted and installed on the rear through driving gear shaft 13; the material pushing ejector rod 57 is movably arranged in the bottom die box 3 in a front-back mode, the material pushing ejector rod 57 is aligned with the wire perforation of the upper limit position movable knife board in a front-back mode, the forward movement of the material pushing ejector rod 57 is pushed by the material pushing swing arm 51, the material pushing ejector rod 57 pushes the return by the material pushing ejector rod spring 58 after moving forward, the material pushing swing arm 51 can swing back and forth and is arranged on the material pushing swing arm shaft 49, the material pushing swing arm 51 pushes the return by the material pushing swing arm spring 50, the material pushing swing arm roller 48 is installed on the material pushing swing arm 51, the material pushing swing arm roller 48 is in contact with the material pushing ejector rod cam 46.

As shown in fig. 12 to 14, the die component 4 includes a die holder 69, the die holder 69 is disposed on the front surface of the main slider 5, the back surface of the die holder 69 is fixedly connected to a positioning clamp plate 76 through a pull rod 77, left and right positioning pins 78 and 75 are fixedly mounted on the back surface of the die holder 69 on left and right sides near the top position, the main slider 5 is provided with a positioning clamp groove 73 corresponding to the positioning clamp plate 76, the main slider 5 is provided with a positioning support surface 74 and semicircular positioning pin holes 72 corresponding to the left and right positioning pins, the positioning support surface 74 supports the left positioning pin 78, the positioning pin holes 72 support the right positioning pin 75 and limit the right positioning pin 75 in the left and right directions, the front surface of the main slider 5 is provided with a screw 71 extending forward, and the screw 71 is locked and fixed to the die holder 69 through.

As shown in fig. 1 and 11, the main slider 5 is slidably disposed back and forth inside the table 6 of the cold heading machine, the left and right side surfaces of the main slider 5 are provided with copper plates 82, the left and right inside surfaces of the table 6 are provided with a high hardness alloy plate 79 and a high hardness alloy plate 81 in tandem, the high hardness alloy plate 81 is close to the cold heading position, the high hardness alloy plate 81 has a small sliding gap, generally not more than 0.03mm, with the left and right side surfaces of the main slider 5, and the high hardness alloy plate 79 has a large sliding gap, generally not less than 0.12mm, with the left and right side surfaces of the main slider 5 contacting the high hardness alloy plate 81, so that when the main slider 5 slides to a position where it contacts the high hardness alloy plate 81, the small sliding gap is formed between the left and right side surfaces of the main slider and the inside surface of the table, thereby ensuring the accuracy of the cold heading operation, and when the main slider is away from the cold heading position, the left and right side surfaces of the main slider and, the main sliding block is ensured to slide forwards and backwards smoothly without being worn too fast, an inclined plane 80 is arranged between the large sliding gap and the small sliding gap for transition, and the inclined plane 80 is arranged on the inner side surface of the high-hardness alloy plate 81.

As shown in fig. 1, 15 and 16, the clutch device 7 includes a clutch seat 88, the clutch shaft 85, the pneumatic brake element 83 and the pneumatic clutch element 87, the clutch seat 88 is fixedly installed on the outer side of the workbench 6, the clutch shaft 85 is rotatably arranged in the clutch seat 88, a pinion 84 and a belt wheel 86 are arranged on the clutch shaft 85, the pinion 84 is fixed on the clutch shaft 85, the pinion 84 is meshed with and drives a large gear installed on the main crank gear shaft 11, the belt wheel 86 is rotatably arranged on the clutch shaft 85, the belt wheel 86 is in transmission connection with the main motor 10 through a belt, the pneumatic clutch element 87 is arranged on the outer side of the clutch shaft 85 and fixedly connected with the belt wheel 86, an inner hole of an air expanding shaft 89 of the pneumatic clutch element 87 is sleeved on the outer shaft end of the clutch shaft 85, the pneumatic brake element 83 is arranged on the inner side of the clutch shaft 85 and fixedly connected with the clutch seat 88, and an inner hole of an air expanding shaft 90 of the pneumatic.

Claims (10)

1. High-speed cold heading machine cuts off part, main slider and main drive part including clamp part, die part, wire rod, and clamp part has the clamp seat, controls on the clamp seat and sets up the unit of the clamp of multiunit side by side, and the top of die block case is located in the clamp seat activity, and die block case links to each other its characterized in that with fixed mounting's the clamp seat that moves: each group of clamp units comprises a left clamp claw, a right clamp claw and a clamp shaft, relative opening and closing actions are performed between the left clamp claw and the right clamp claw, the clamp shaft is rotatably arranged on a clamp seat, the clamp shaft is rotated and pushed by an opening and closing clamp cam structure, the rotating return of the clamp shaft is pushed by a clamp shaft return spring, the left clamp claw is fixedly connected to a right clamp arm, the right clamp arm is fixedly connected to the front shaft end of the clamp shaft of the group of clamp units, the right clamp claw is fixedly connected to the left clamp arm, the left clamp arm is rotatably connected to the front shaft end of the clamp shaft of the left group of clamp units adjacent to the group of clamp units, the left clamp arm and the right clamp arm are mutually staggered, sliding grooves and pushing blocks.

2. The high speed cold heading machine of claim 1, wherein: the clamp seat can slide left and right and locate the top surface of end mould case, the horizontal slip of clamp seat is promoted by clamp seat gyro wheel, one side of clamp seat is equipped with the gyro wheel locating frame and lets clamp seat gyro wheel be located wherein, clamp seat gyro wheel is connected in the bottom of triangle swing arm, triangle swing arm can swing and locate and move on the clamp seat, the left side angle of triangle swing arm passes through left connecting rod and connects left crank, the right angle of triangle swing arm passes through right connecting rod and connects right crank, left and right crank can swing and locate on the crank axle, left and right crank does the reverse swing at the during operation, left crank's swing is promoted by left crank cam, right crank's swing is promoted by right crank cam, left and right crank cam installs on moving the pincers pinion shaft, it is driven by main motor to move the pincers pinion shaft.

3. The high speed cold heading machine of claim 1, wherein: the switching pincers cam structure drives the pincers clamping shaft to rotate through the up-and-down swing of the middle swing arm, the middle swing arm can swing up and down and is arranged on the swing arm seat, the swing arm seat is fixedly mounted on the pincers moving seat, the rear shaft end of the pincers clamping shaft is fixedly connected with the rear crank, the rear crank is provided with the front idler wheel, the front idler wheel is in rolling contact with the bottom of the front arm end of the middle swing arm, the rear idler wheel is mounted at the rear arm end of the middle swing arm, and the rear idler wheel is in contact with the switching pincers cam of the switching pincers cam structure.

4. The high speed cold heading machine according to claim 1 or 3, wherein: the opening and closing clamp cam structure comprises a cam mandrel and a plurality of groups of opening and closing clamp cams which are arranged on the cam mandrel in parallel from left to right, each group of opening and closing clamp cams are independently installed and can be circumferentially adjusted on the cam mandrel, a scale ring is arranged between every two adjacent groups of opening and closing clamp cams and fixed on the cam mandrel, one shaft end of the cam mandrel is provided with a bearing, the bearing is pressed and fixed on a movable clamp seat by a pressing cover, the other shaft end of the cam mandrel is connected with a movable clamp gear shaft, and the movable clamp gear shaft is rotatably arranged on the movable clamp seat.

5. The high speed cold heading machine of claim 1, wherein: the wire rod cuts off the part and includes fixed cutting board and activity cutting board, fixed cutting board, the activity cutting board is equipped with the wire rod and perforates, fixed cutting board is at the positive fixed mounting of end die box, the activity cutting board hugs closely fixed cutting board and makes the activity from top to bottom, the activity of making progress of activity cutting board is promoted by the cutting board ejector pin, the activity cutting board upwards promotes by the cutting board spring after the activity and resets, the cutting board ejector pin is made the activity setting from top to bottom in the below of activity cutting board, the activity of making progress of cutting board ejector pin is promoted by cutting board ejector pin cam, the cutting board ejector pin upwards promotes by cutting board ejector pin spring after the activity and resets.

6. The high speed cold heading machine of claim 5, wherein: the lower rod end of the cutter plate ejector rod is connected with a small triangular swing arm, the small triangular swing arm swings back and forth around a fixed fulcrum shaft, a swing arm roller is installed at one corner end of the small triangular swing arm, the swing arm roller is in rolling contact with a cutter plate ejector rod cam, and the cutter plate ejector rod cam can be circumferentially adjusted and installed on a rear through drive gear shaft.

7. The high speed cold heading machine of claim 5, wherein: the wire cutting component further comprises a pushing ejector rod, the pushing ejector rod is movably arranged back and forth, the pushing ejector rod is aligned with the wire perforation of the upper limit position movable cutting board front and back, the pushing ejector rod moves forwards and is pushed by a pushing ejector rod spring, the pushing ejector rod is pushed to return after moving forwards, the pushing swing arm can swing back and forth and is arranged on a pushing swing arm shaft, a pushing swing arm roller is arranged on the pushing swing arm and is in contact with a pushing ejector rod cam, and the pushing ejector rod cam is fixedly arranged on a shifting clamp gear shaft.

8. The high speed cold heading machine of claim 1, wherein: the punching die component comprises a punching die seat, the punching die seat is arranged on the front side of a main sliding block, the back side of the punching die seat is fixedly connected with a positioning clamping plate through a pull rod, left and right positioning pins are fixedly arranged on the left and right sides of the back side of the punching die seat close to the top position, the main sliding block is provided with a positioning clamping groove corresponding to the positioning clamping plate, the main sliding block is provided with a positioning supporting surface and left and right positioning pins corresponding to positioning pin holes, the positioning supporting surface supports the left positioning pin, the positioning pin holes support the right positioning pin and limit the right positioning pin in a left and right mode, a screw rod which is installed in a forward extending mode is arranged on.

9. The high speed cold heading machine of claim 1, wherein: the main sliding block slides back and forth on the inner side of a workbench of the cold header, when the main sliding block slides to a working position, a smaller sliding gap is formed between the left side surface and the right side surface of the main sliding block and the inner side surface of the workbench, when the main sliding block is far away from the working position, a larger sliding gap is formed between the left side surface and the right side surface of the main sliding block and the inner side surface of the workbench, and an inclined surface is arranged between the large sliding gap and the small sliding gap for transition.

10. The high speed cold heading machine of claim 1, wherein: the main transmission part comprises a main motor, the main motor transmits a main crank gear shaft through a clutch device which is independently installed, the main crank gear shaft is used for pushing a main sliding block, the main crank gear shaft is transmitted through a middle transition gear and then drives a gear shaft, the main crank gear shaft also moves a clamp gear shaft through chain transmission, the clutch device comprises a clutch seat, a clutch shaft, a pneumatic brake element and a pneumatic clutch element, the clutch seat is fixedly installed on the outer side of the workbench, the clutch shaft is rotatably arranged in the clutch seat, a pinion and a belt wheel are arranged on the clutch shaft, the pinion is fixed on the clutch shaft, the pinion is meshed with a large gear which is installed on the main crank gear shaft and is transmitted on the clutch shaft, the belt wheel is rotatably arranged on the clutch shaft, the belt wheel is connected with the main motor through belt transmission, the pneumatic clutch element is arranged on the outer side of the clutch shaft and is fixedly connected with the, the pneumatic brake element is arranged on the inner side of the clutch shaft and fixedly connected with the clutch seat, and an inner hole of the air expansion shaft of the pneumatic brake element is sleeved at the inner shaft end of the clutch shaft.

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