CN207074777U - A kind of ground wire automatic crimping machine - Google Patents

Abstract

The utility model discloses an automatic ground wire crimping machine, which comprises a crimping platform, a crimping device located on the crimping platform, and a wire stripping device arranged on the left frame of the crimping device. The wire stripping device includes a power mechanism , a wire stripping mechanism and a first ground wire clamping mechanism, the power mechanism is connected to the wire stripping mechanism through a transmission mechanism, and the wire stripping mechanism includes a cutter assembly for stripping wires and a support assembly for supporting the cutter assembly, cutting The knife assembly includes a stripping blade that moves circularly around the ground wire and can move radially, and the first ground wire clamping mechanism is used to clamp the ground wire. The utility model integrates the wire cutting device, the wire stripping device and the crimping device on a crimping platform, which is convenient for crimping the ground wire, has high safety, is easy to operate, and improves work efficiency: use the wire cutting device to cut the wire, use the stripping device to The wire stripping device has high processing precision and reduces labor intensity.

Description

An automatic ground wire crimping machine

technical field

The utility model relates to the technical field of connecting ground wires in power transmission lines, in particular to an automatic crimping machine for conducting ground wires.

Background technique

In the construction process of overhead transmission lines, hydraulic crimping of the ground wire is widely used for the connection of the ground wire. Since the ground wire needs to be buried after connection, it is an important concealed project, and the crimping quality of the ground wire directly affects the long-term safe operation of the power grid line in the later period. At present, manual crimping is mainly used on the construction site. The whole process from cleaning, pre-pressing measurement, printing, disconnection, pipe threading, crimping and post-pressing measurement is all manual, which wastes a lot of manpower and labor. The efficiency is low; and the quality of crimping depends entirely on the technical level and sense of responsibility of the on-site crimping workers. It is easy to have quality problems such as the size of the crimping cannot meet the requirements, the deviation of the crimping positioning size is too large, and the bending is out of tolerance after crimping. The quality of ground wire crimping is not easy to control, which in turn will affect the long-term safe operation of the later line.

Utility model content

The purpose of the utility model is to provide an automatic ground wire crimping machine, which improves work efficiency and ensures the crimping quality of the ground wire.

In order to achieve the above object, the utility model adopts the following technical solutions:

An automatic ground wire crimping machine, including a crimping platform, a crimping device located on the crimping platform, and a wire stripping device arranged on the left frame of the crimping device, the wire stripping device includes a power mechanism, a wire stripping mechanism and the first ground wire clamping mechanism, the power mechanism is connected to the wire stripping mechanism through a transmission mechanism, the wire stripping mechanism includes a cutter assembly for stripping wires and a support assembly for supporting the cutter assembly, and the cutter assembly includes a surrounding The wire stripping blade moves circularly and can move radially, and the first ground wire clamping mechanism is used to clamp the ground wire.

The cutter assembly also includes a fixed block for fixing the wire stripping blade and a screw rod for making the fixed block drive the wire stripping blade to move radially. A retaining bar used in conjunction with the chainring is fixedly provided, the inner end of the screw rod is rotatably connected with the fixed block and the screw rod and the fixed block can rotate relative to each other, and part of the blade of the wire stripping blade is positioned at the inner side of the fixed block.

The support assembly is fixed on the front side of the transmission mechanism and the support assembly includes a first knife rest for the fixed block to drive the stripping blade to move radially. It runs through the first chute in the radial direction and is threadedly connected with the outer end of the first knife holder. The outer end of the screw rod is located outside the first knife holder; during the circular movement of the cutter assembly around the ground wire, one The top of the tooth is in contact with the stop bar. When the top of the tooth starts to contact the stop bar and separates from the stop bar, the tooth plate drives the screw around the axis of the screw shaft under the blocking action of the stop bar to move relative to the first tool holder. rotation.

The transmission mechanism includes a hollow shaft connected to the power mechanism and arranged along the front and rear directions. The hollow shaft is provided with a first central through hole for the ground wire to pass through. The front end of the hollow shaft is coaxially fixed with a turntable parallel to the front end surface of the hollow shaft. , the front side of the turntable is fixedly connected with a support plate for fixing the first knife rest and parallel to the turntable, the first knife rest is located outside the support plate, and the support plate is provided with a second chute communicating with the first chute, the second The second chute is located on the inner extension line of the first chute and is adapted to the shape of the first chute. The fixed block can slide into the second chute along the first chute. The stripping blade is located on the front side of the support plate. The turntable A second central through hole and a third central through hole coaxial with the first central through hole are respectively provided on the support plate and the supporting plate.

Two guide wheels arranged around the third central through hole are arranged on the front side of the support plate for supporting the ground wire. The two guide wheels are symmetrical to the stripping blade and arranged in a triangle with the stripping blade.

The power mechanism includes a first servo motor and a reducer connected with the first servo motor. The reducer is connected to the rear part of the hollow shaft through the first synchronous belt. The frame is provided with a shaft seat for supporting the hollow shaft.

The thread cutting device on the frame is provided directly behind the stripping device, and the thread cutting device includes a second knife rest fixed on the frame, an upper cutting blade and a lower cutting blade arranged oppositely on the second knife rest. For the shearing blade, the upper shearing blade is slidably connected with the second knife rest and is driven by a hydraulic cylinder to move up and down, and the lower shearing blade is fixed at the lower end of the second knife rest.

The crimping device includes a hydraulic pliers and a second ground wire clamping mechanism and a third ground wire clamping mechanism located on both sides of the hydraulic pliers, and a guide is provided between the hydraulic pliers and the third ground wire clamping mechanism The ground wire is separated from the demoulding device of the mold on the hydraulic tongs, and the demoulding device is close to the hydraulic tongs; the first ground wire clamping mechanism includes a ground wire clamping oil cylinder.

The crimping platform is provided with a workbench for fixing the hydraulic pliers and two guide rails arranged in parallel for the movement of the workbench. The workbench is fixedly connected with the second synchronous belt driven by the second servo motor, and the outer cover of the guide rail is provided There is a guide rail cover, the lower end of the crimping platform is equipped with universal casters with locking devices, and the front and rear ends of the crimping platform are respectively provided with a handle for pushing and pulling the crimping platform.

The automatic ground wire crimping machine also includes an electrical control system, which includes an electrical control cabinet fixed on the crimping platform and equipped with a touch control screen.

The utility model integrates the wire cutting device, the wire stripping device and the crimping device on a crimping platform, which is convenient for crimping the ground wire, has high safety, is easy to operate, and improves work efficiency: use the wire cutting device to cut the wire, use the stripping device to The wire stripping device has high machining accuracy and low labor intensity; the wire stripping device includes a power mechanism, a wire stripping mechanism and a first ground wire clamping mechanism, and the wire stripping mechanism includes a cutter assembly and a support assembly, and the cutter The assembly includes a wire stripping blade, a fixed block and a screw rod. The outer end of the screw rod is fixed with a toothed plate for rotating the screw rod. Connection, the support assembly includes a first tool holder for the fixed block to drive the stripping blade to move radially, the middle part of the first tool holder is provided with a first chute that is slidably connected with the fixed block, and the screw rod runs through the first chute in the radial direction And it is threadedly connected with the outer end of the first knife holder, the outer end of the screw rod is located outside the first knife holder, the cooperating use of the tooth plate and the stop bar in the cutter assembly realizes the automatic adjustment of the cutting depth of the stripping blade, which is convenient for gradually increasing the cutting Deep, improve the stripping stability and stripping quality of the stripping device, and prolong the service life of the stripping blade.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation that the utility model removes guide rail shield;

Fig. 3 is the structural representation of wire stripping mechanism in the utility model;

Fig. 4 is the structural representation of transmission mechanism and power mechanism in the utility model;

Fig. 5 is a schematic structural view of the thread cutting device in the utility model;

Fig. 6 is the top view of Fig. 2;

Fig. 7 is a state diagram of the position of the wire stripping mechanism when the wire stripping is started;

Fig. 8 is the view along A direction in Fig. 7;

Fig. 9 is a state diagram of the position of the wire stripping mechanism after one rotation.

Detailed ways

The implementation of the present utility model is illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. It should be noted that the structures, proportions, sizes, etc. shown in the drawings of this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the utility model. Conditions, so it has no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size should still fall within the scope of this utility model without affecting the effect and purpose of this utility model. The technical content disclosed by the new model must be within the scope covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

As shown in Figures 1 and 2, an automatic ground wire crimping machine includes a crimping platform 1, a crimping device 2 located on the crimping platform 1, an electrical control system, and a frame 4, and the frame 4 is located on the crimping platform 1. On the left side of the connecting device 2, a wire stripping device 5 and a wire cutting device 6 positioned at the rear of the wire stripping device 5 are arranged on the frame 4. The electrical control system includes an electrical control cabinet 3 fixed on the crimping platform 1 and provided with a touch control screen. The wire stripping device 5 includes a power mechanism, a wire stripping mechanism 7 and a first ground wire clamping mechanism 8, the power mechanism is connected to the wire stripping mechanism 7 through a transmission mechanism, and the first ground wire clamping mechanism 8 is used to clamp the wire guide For the ground wire, the first ground wire clamping mechanism 8 includes a ground wire clamping oil cylinder.

As shown in FIG. 3 , FIG. 2 and FIG. 1 , the wire stripping mechanism 7 includes a cutter assembly for wire stripping and a support assembly for supporting the cutter assembly. The cutter assembly includes a wire stripping blade 9, a fixed block 10 and a screw rod 11. The wire stripping blade 9 moves in a circle around the ground wire and can move radially. Do circular motion to produce the radial direction of the circular trajectory, the wire stripping blade 9 is fixed on the front end surface of the fixed block 10, the screw rod 11 is used to drive the fixed block 10 to move radially, and then the fixed block 10 drives the wire stripping blade 9 to perform radial movement. The outer end 21 of the screw mandrel 11 is fixedly provided with a toothed disc 12 for rotating the screw mandrel 11, the frame 4 is fixedly provided with a retaining bar 13 used in conjunction with the toothed disc 12, and the inner end 15 of the screw mandrel 11 is rotationally connected with the fixed block 10, The screw mandrel 11 and the fixed block 10 can rotate relative to each other, and part of the cutting edge of the stripping blade 9 is located inside the fixed block 10 .

The support assembly is fixed on the front side of the transmission mechanism. The support assembly includes the first knife rest 14 for the fixed block 10 to drive the stripping blade 9 to move radially. The chute 41 , the screw rod 11 passes through the first chute 41 in the radial direction and is threadedly connected with the outer end of the first tool holder 14 , and the outer end 21 of the screw rod 11 is located outside the first tool holder 14 . During the circular movement of the cutter assembly around the ground wire, the tooth top of one of the teeth on the tooth plate 12 can contact the bar 13, and the tooth top starts to contact the bar 13 until the tooth top is separated from the bar 13. Among them, the gear plate 12 drives the screw rod 11 to rotate around the axis of the screw rod 11 relative to the first tool holder 14 under the blocking action of the stop bar 13 . Since the inner end 15 of the screw mandrel 11 is movably connected with the fixed block 10, the relative rotation of the screw mandrel 11 and the fixed block 10 can take place, coupled with the restriction of the first chute 41, so when the screw mandrel 11 moves around the axis of the screw mandrel 11, relative rotation occurs. During the rotation process of the first tool rest 14, the fixed block 10 can only move radially inward.

As shown in FIG. 4 and FIG. 3 , the transmission mechanism includes a hollow shaft 16 which is connected to the power mechanism and arranged along the front and rear directions. The frame 4 is provided with a shaft seat 27 for supporting the hollow shaft 16 . The hollow shaft 16 is provided with a first central through hole 17 for the ground wire to pass through. The front end of the hollow shaft 16 is coaxially fixed with a turntable 18 parallel to the front end of the hollow shaft 16. The front side of the turntable 18 is fixedly connected with a support plate. 19 , the support plate 19 is used to fix the first knife holder 14 and is parallel to the turntable 18 . The first knife rest 14 is positioned at the outside of the supporting disc 19, and the supporting disc 19 is provided with a second chute 20 communicating with the first chute 41, and the second chute 20 is located on the inner extension line of the first chute 41 and is connected to the first chute 41. A chute 41 is adapted in shape. The fixed block 10 can slide in the second chute 20 along the first chute 41, the wire stripping blade 9 is positioned at the front side of the support disc 19, and the rotating disc 18 and the support disc 19 are respectively provided with the first center through hole 17 coaxial The second central through hole and the third central through hole 22. Since the shape of the second chute 20 is compatible with that of the first chute 41 , when the fixed block 10 slides in the second chute 20 , the fixed block 10 can only move radially inward.

Two guide wheels 23 for supporting the ground wire are provided on the front side of the support plate 19, and the two guide wheels 23 are arranged around the third central through hole 22 and are symmetrical about the wire stripping blade 9, and the two guide wheels 23 and the wire stripping blade 9 are arranged in a triangle. Two guide wheels 23 support the ground wire, which is beneficial to the stripping blade 9 to cut the ground wire.

The power mechanism includes a first servo motor 24 and a speed reducer 25 , the speed reducer 25 is in drive connection with the first servo motor 24 , and the speed reducer 25 is in drive connection with the rear part of the hollow shaft 16 through a first synchronous belt 26 .

As shown in Figures 5 and 4, the thread cutting device 6 includes a second knife rest 42, an upper shear blade 28 and a lower shear blade 29 fixed on the frame 4, and the upper shear blade 28 and the lower shear blade 29 It is arranged on the second knife rest 42 and arranged oppositely. The upper shearing blade 28 is slidably connected to the second knife rest 42 and is driven by a hydraulic cylinder to move up and down, and the lower shearing blade 29 is fixed on the lower end of the second knife rest 42 . When not working, the upper shearing blade 28 is located at the highest position of setting, the upper shearing blade 28 and the lower shearing blade 29 separate and form a gap 30 positioned at the first center through hole 17 right behind between the two; , Upper shearing blade 28 gets back to the highest position of setting.

As shown in Figure 2, the crimping device 2 includes a hydraulic pliers 30 and a second ground wire clamping mechanism 31 and a third ground wire clamping mechanism 32 located on the front and rear sides of the hydraulic pliers 30. A demoulding device 33 is provided between the ground wire clamping mechanisms 32 to separate the ground wire from the mold on the hydraulic tongs 30 , and the demoulding device 33 is close to the hydraulic tongs 30 . The demoulding device 33 is a demoulding oil cylinder, which is used to separate the crimped ground wire from the mold on the hydraulic clamp 30 to improve work efficiency.

As shown in Figure 6 and Figure 1, the crimping platform 1 is provided with the workbench 34 that is used to fix the hydraulic pliers 30, two guide rails 35 that are arranged in parallel for the workbench 34 to move, and the workbench 34 is connected with the second servo motor 36 The driven second synchronous belt 37 is fixedly connected, the outer cover of the guide rail 35 is provided with a guide rail shield 38, the lower end surface of the crimping platform 1 is provided with a universal caster 39 with a locking device, and the front and rear ends of the crimping platform 1 are respectively provided with A handle 40 for pushing and pulling the crimping platform 1 .

The specific working process is as follows:

When the end that needs to be crimped on the ground wire is irregular, insert the ground wire through the gap 30 formed between the upper shear blade 28 and the lower shear blade 29 along the direction from back to front, and use the wire cutting device 6 Cut off the irregular part of the ground wire, then make the upper cutting blade 28 rise to the highest position; draw a line on the remaining and regular crimping end of the ground wire, and move the crimping end of the ground wire from the back Go through the gap 30 in the front direction, pass through the first ground wire clamping mechanism 8, pass through the first central through hole 17 of the hollow shaft 16, and reach the corresponding position of the wire stripping mechanism 7, so that the crimping end of the ground wire is scratched. The wire is located at the corresponding position of the stripping blade 9, and the first ground wire clamping mechanism 8 is used to clamp the ground wire; then the toothed disc 12 is rotated so that the screw rod 11 drives the fixed block 10 along the first chute 41 and the second The second chute 20 moves inwardly until the wire stripping blade 9 is in close contact with the scribe line on the ground wire; then the wire stripping mechanism 7 is rotated, as shown in Figures 7 and 8, so that the toothed plate 12 is positioned at the retaining bar 13, The tooth top on the tooth plate 12 closest to the bar 13 is located above the bar 13 and close to the bar 13; then the hollow shaft 16 drives the stripping mechanism 7 to rotate, and the ground wire remains stationary during the rotation of the stripping mechanism 7 ; When the wire stripping mechanism 7 rotates close to one circle, as shown in Figure 9, the toothed disc 12 runs to the bar 13, and the tooth top on the toothed disc 12 starts to contact with the bar 13 the closest to the bar 13. During the continuous rotation of 7, due to the blocking effect of the bar 13, the tooth top in contact with the bar 13 makes the tooth plate 12 drive the screw 11 to rotate around the axis of the screw 11 relative to the first tool holder 14, and then the screw The rod 11 drives the wire stripping blade 9 to move a certain distance inwardly through the fixed block 10, thereby adjusting the cutting depth of the wire stripping blade 9, and then when the wire stripping mechanism 7 rotates one week, the cutting depth of the wire stripping blade 9 increases until the wire stripping The cutting depth of the blade 9 reaches the set depth, therefore, the cutting depth of the wire stripping blade 9 can be set by the number of rotations of the wire stripping mechanism 7; Place the terminal at the corresponding position of the crimping device 2 for crimping, use the second ground wire clamping mechanism 31 and the third ground wire clamping mechanism 32 to clamp the ground wire to be crimped, and then use the hydraulic pliers 30 As for the crimping of the ground wire, since it is a mature technology to crimp the ground wire by using the hydraulic pliers 30 , details will not be repeated here.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (10)

1. A kind of 1. ground wire automatic crimping machine, it is characterised in that：Including crimping platform, positioned at crimping platform on compression bonding apparatus and The punck-down block in frame on the left of compression bonding apparatus is located at, punck-down block includes actuating unit, wire stripping mechanism and the first ground wire folder Tight mechanism, actuating unit are connected by transmission mechanism and wire stripping mechanism, and wire stripping mechanism includes the cutter assembly for wire stripping With the support component for supporting cutter assembly, cutter assembly includes moving in a circle around ground wire and radially movable stripping Line blade, the first ground wire clamp system are used to clamp ground wire.
2. 2. ground wire automatic crimping machine according to claim 1, it is characterised in that：The cutter assembly also includes being used for admittedly Determine the fixed block of wire stripping blade and the screw mandrel for making fixed block drive wire stripping blade to be moved radially, screw mandrel outer end is installed with For the fluted disc of rotary screw rod, the blend stop being used cooperatively with fluted disc is installed with frame, screw mandrel is inner to be rotatablely connected with fixed block And screw mandrel can relatively rotate with fixed block, the part edges of wire stripping blade are located at the inner side of fixed block.
3. 3. ground wire automatic crimping machine according to claim 2, it is characterised in that：Support component is fixed on transmission mechanism Front side and support component include the first knife rest for driving wire stripping blade to be moved radially for fixed block, are provided with the middle part of the first knife rest The first chute being slidably connected with fixed block, screw mandrel extend radially through the first chute and are threadedly coupled with the first knife rest outer end, silk The outer end of bar is located on the outside of the first knife rest；In cutter assembly during ground wire moves in a circle, on fluted disc one of them The tooth top of tooth contacts with blend stop, starts to touch during tooth top separates with blend stop with blend stop in tooth top, fluted disc hinders in blend stop Rotation relative to the first knife rest occurs around screw mandrel axis for the lower drive screw mandrel of gear effect.
4. 4. ground wire automatic crimping machine according to claim 3, it is characterised in that：Transmission mechanism includes passing with actuating unit Dynamic connection and the hollow shaft arranged along the longitudinal direction, hollow shaft are provided with the first central through hole passed through for ground wire, before hollow shaft End is coaxially installed with the rotating disk parallel with hollow shaft front end face, is fixedly connected with the leading flank of rotating disk for fixing the first knife rest And the support plate parallel with rotating disk, the first knife rest are located on the outside of support plate, support plate is provided with second connected with the first chute Chute, the second chute are located on the inner side extension line of the first chute and are adapted with the first chute shape, and fixed block can be along first Chute is slipped into the second chute, and wire stripping blade is located at the front side of support plate, is respectively equipped with rotating disk and support plate and the first center The second central through hole and the 3rd central through hole of through hole coaxial line.
5. 5. ground wire automatic crimping machine according to claim 4, it is characterised in that：Support plate leading flank, which is provided with, is used for branch Support ground wire and around two guide wheels of the 3rd central through hole arrangement, two guide wheels are symmetrical on wire stripping blade and and wire stripping blade It is triangularly arranged.
6. 6. ground wire automatic crimping machine according to claim 4, it is characterised in that：Actuating unit includes the first servomotor And the decelerator being connected with the first servomotor, decelerator are connected by the first timing belt and the rear transfer of hollow shaft, frame It is provided with the axle bed for being used for supporting hollow shaft.
7. 7. ground wire automatic crimping machine according to claim 1, it is characterised in that：The dead astern of the punck-down block is provided with Thread cutter in frame, the second knife rest that thread cutter includes being installed in frame, it is located on the second knife rest and relative The upper shear-blade and lower shear blade, upper shear-blade and the second knife rest of arrangement are slidably connected and carried out by Driven by Hydraulic Cylinder Lower movement, lower shear blade are fixed on the lower end of the second knife rest.
8. 8. ground wire automatic crimping machine according to claim 1, it is characterised in that：The compression bonding apparatus include hydraulic tongs and The second ground wire clamp system, the 3rd ground wire clamp system positioned at hydraulic tongs both sides, hydraulic tongs and the 3rd ground wire clamp The stripper apparatus for making ground wire depart from hydraulic tongs mold is provided between mechanism, stripper apparatus is close to hydraulic tongs；Described first leads Ground wire clamp system includes ground wire clamping cylinder.
9. 9. ground wire automatic crimping machine according to any one of claim 1 to 8, it is characterised in that：The crimping platform Provided with workbench, two guide rails be arrangeding in parallel for movable workbench for fixer pressing tongs, workbench and by second Second timing belt of servomotor driving is fixedly connected, and the outer cup of guide rail is provided with Guide rail shield, and crimping platform lower surface is provided with The universal caster wheel of locking device, crimping platform rear and front end are respectively equipped with a handle for being used for push-and-pull crimping platform.
10. 10. ground wire automatic crimping machine according to claim 9, it is characterised in that：Also include electric control system, electrically Control system includes being installed on crimping platform and the electrical control cabinet provided with touch control screen.