Terminal stripping and pressing machine

Abstract

The utility model discloses a terminal stripping and pressing machine which comprises a shell, a rotary base, a stripping and wire twisting mechanism, a terminal crimping mechanism, a terminal arrangement mechanism, a terminal carrying mechanism, a wire clamping mechanism and a control mechanism. The rotating base can rotate the first mounting surface and the second mounting surface so as to switch between the first state and the second state; the stripping and twisting mechanism is used for stripping an insulating layer and twisting the wire bundle into a single-strand wire; the terminal crimping mechanism is used for crimping the terminal at the end part of the wire; the terminal arrangement mechanism is used for storing to-be-crimped terminals; the terminal carrying mechanism is used for carrying the terminals in the terminal arrangement mechanism to the terminal crimping mechanism; the wire clamping mechanism is used for fixing wires; and the control mechanism is connected with and controls the wire clamping mechanism, the terminal carrying mechanism, the terminal arranging mechanism, the terminal crimping mechanism, the peeling and wire twisting mechanism and the rotating base. The terminal stripping and pressing machine is small in size and high in collaboration degree.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical equipment, and in particular relates to a terminal stripping and crimping machine. Background Art

[0002] Terminals are commonly used components in electrical connections. In electrical engineering, terminals mostly refer to wiring terminals, also called wiring terminals. They can be divided into single-hole, double-hole, sockets, hooks, etc. by type, and can be divided into copper-plated silver, copper-plated zinc, copper, aluminum, iron, etc. by material. Their main function is to transmit electrical signals or conduct electricity. Terminals must be used when connecting signal lines to other devices, otherwise the signal lines cannot be connected to other devices or communication connections. The terminal crimping machine uses a pressure head tool to fix the terminals to be installed and the signal lines, and then applies extrusion force to the terminals to be installed, so that the terminals to be installed are tightly sleeved on the ends of the signal lines. The terminal stripping and crimping machine includes the steps of wire fixing, stripping, twisting, terminal crimping, and wire release. The entire device is relatively large in size and remains unchanged when moving and disassembling.

[0003] Therefore, in view of the above technical problems, it is necessary to provide a terminal stripping and crimping machine with a smaller volume.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The utility model aims to provide a terminal stripping and crimping machine, which is used to solve the problem of the overall volume of the equipment.

[0006] In order to achieve the above-mentioned purpose, a specific embodiment of the utility model provides a terminal stripping and crimping machine, including a shell, a rotating base, a stripping and twisting mechanism, a terminal crimping mechanism, a terminal arranging mechanism, a terminal transporting mechanism, a wire clamping mechanism and a control mechanism. An installation space is formed inside the shell, and a wire insertion hole is provided on the shell; a rotating base is arranged in the installation space, including a first installation surface and a second installation surface, the rotating base has a first state in which the first installation surface faces the wire insertion hole, and a second state in which the second installation surface faces the wire insertion hole, and the rotating base can rotate the first installation surface and the second installation surface to switch between the first state and the second state; a stripping and twisting mechanism is fixed to the first installation surface, and is used to strip the insulation layer and twist the wire bundle into a single strand of wire; a terminal crimping mechanism is fixed to the second installation surface, and is used to crimp the terminal to the end of the wire; a terminal arranging mechanism is arranged in the installation space, and is used to store the terminals to be crimped; a terminal conveying mechanism is arranged in the installation space, and is used to convey the terminals in the terminal arranging mechanism to the terminal crimping mechanism; a wire clamping mechanism is arranged in the installation space and close to the wire insertion hole, and is used to fix the wire; a control mechanism connects and controls the wire clamping mechanism, the terminal conveying mechanism, the terminal arranging mechanism, the terminal crimping mechanism, the stripping and twisting mechanism and the rotating base.

[0007] In one or more embodiments of the present utility model, the rotating base includes a base, a rotating shaft, a support plate assembly and a first rotating motor, the base is fixed to the housing, the rotating shaft is rotatably arranged in the base, the support plate assembly is fixed to one end of the rotating shaft, the first rotating motor is connected to the other end of the rotating shaft, the first rotating motor drives the rotating shaft and drives the support plate assembly to rotate, the support plate assembly includes a first mounting plate and a second mounting plate, the first mounting surface and the second mounting surface are respectively formed on the first mounting plate and the second mounting plate.

[0008] In one or more embodiments of the present utility model, the base includes a first base and a second base, the first base is fixed to the outer shell, the rotating shaft, the support plate assembly and the first rotating motor are fixed to the second base, a plurality of support rods are fixed to the second base, the first base is provided with a plurality of through holes for accommodating the support rods to pass through, a first linear motor is also fixed to the first base, the first linear motor is connected to and drives the second base to approach or move away from the first base, and / or the first mounting plate and the second mounting plate are perpendicular to each other and staggered.

[0009] In one or more embodiments of the present utility model, the stripping and twisting mechanism includes a first bracket and a first driving assembly and a working assembly fixed to the first bracket, the first bracket is fixed to the first mounting plate, the first driving assembly includes a second rotating motor, a first gear and a second gear, the first gear is rotatably arranged on the first bracket, the second gear is fixed to the output shaft of the second rotating motor and meshes with the first gear, the working assembly is connected to the first gear and can rotate with the first gear, the working assembly includes two blades and two clamps arranged opposite to each other, the two blades are used to cut the insulation layer, and the two clamps are used to clamp the removed insulation layer.

[0010] In one or more embodiments of the present invention, the working component also includes a connecting arm and two working arms arranged opposite to each other, the first driving component also includes a second linear motor, each of the working arms is respectively fixed with the blade and the clamp, and each of the working arms is respectively provided with guide grooves extending to both sides of the axial direction of the first gear, the extension direction of the two guide grooves is the same as the angle between the axial directions of the first gears, one end of the connecting arm is connected to the second linear motor, and the other end is provided with two driving arms extending to the guide grooves respectively, each end of the driving arm is respectively provided with a guide hole, and each of the guide holes and the guide grooves is respectively provided with a guide column.

[0011] In one or more embodiments of the utility model, the terminal crimping mechanism includes a second bracket and a crimping assembly fixed on the second bracket and a second driving assembly, the second bracket is fixed to the second mounting plate, the second driving assembly includes a main cylinder, the crimping assembly includes a crimping die, a push rod and two first toothed dies arranged opposite to each other, the crimping die is provided with a working groove, the push rod and the first toothed die are arranged in the working groove, each of the first toothed dies is respectively protruded with two rows of teeth arranged alternately and at a certain angle, and the two first toothed dies can be tightly fitted and form a terminal crimping space between the tooth rows, one end of the push rod is connected to the main cylinder, and the other end is connected to the two first toothed dies, the push rod is driven by the main cylinder to move the two first toothed dies to approach and fit together, so as to crimp the terminal onto the wire.

[0012] In one or more embodiments of the present invention, the crimping assembly also includes two wedge blocks located in the working groove and arranged opposite to each other, the two first toothed dies are respectively fixed to the two wedge blocks, and the other sides of the wedge blocks are respectively formed with inclined first guide surfaces, and the push rod includes two driving arms respectively extending between the wedge blocks and the side walls of the working groove, and each of the driving arms is respectively formed with a second guide surface matching the first guide surface.

[0013] In one or more embodiments of the present invention, the driving assembly includes a pre-crimping cylinder connected to the push rod, and the pre-crimping cylinder drives the push rod to move and drives the two first tooth-shaped dies to approach each other to fix the terminal.

[0014] In one or more embodiments of the present utility model, the terminal crimping mechanism also includes a guide assembly fixed to the crimping die, the guide assembly including a guide base, a guide cylinder fixed to the guide base, and two guide arms pivotally arranged on the guide base, the guide base is fixed to the crimping die, the ends of the two guide arms are respectively provided with semicircular conical guide grooves, the guide cylinder connects and drives the two guide arms to rotate to approach or move away from each other, when the two guide arms rotate close to each other, the two conical guide grooves constitute a guide hole coaxial with the terminal crimping space, and the diameter of the guide hole gradually increases in the direction away from the terminal crimping space.

[0015] In one or more embodiments of the utility model, the wire clamping mechanism includes a wire clamping base, a wire clamping cylinder and two second toothed dies, the wire clamping base is fixed on the outer casing, the wire clamping cylinder is fixed to the wire clamping base, the two second toothed dies are respectively fixed to the output shaft of the wire clamping cylinder and are arranged relatively to each other, each of the second toothed dies is respectively provided with two rows of teeth which are staggered and at a certain angle, and the wire clamping cylinder can drive the two toothed dies to approach each other and tightly engage to clamp the wire.

[0016] Compared with the prior art, the terminal stripping and crimping machine of the utility model adopts a rotation switching method, which reduces the lateral space occupied by the equipment compared to translation switching, can improve the internal space utilization of the whole machine, and help reduce the volume of the whole machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A schematic diagram of a terminal stripping and crimping machine in one embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of a housing in one embodiment of the utility model;

[0020] Figure 3 This is an internal structure diagram of a terminal stripping and crimping machine in one embodiment of the utility model;

[0021] Figure 4 This is a schematic diagram of a wire clamping mechanism in one embodiment of the utility model;

[0022] Figure 5 It is a schematic diagram of a stripping and twisting wire mechanism in one embodiment of the utility model;

[0023] Figure 6 This is a disassembled diagram of a frame in one embodiment of the utility model.

[0024] Figure 7 This is a schematic diagram of a first driving assembly in an embodiment of the utility model;

[0025] Figure 8 This is a disassembled diagram of a working component in one embodiment of the utility model;

[0026] Fig. 9 This is a schematic diagram of a terminal crimping assembly in one embodiment of the utility model;

[0027] Fig.10 This is a schematic diagram of a terminal crimping assembly in one embodiment of the utility model;

[0028] Fig.11 This is a disassembly diagram of a crimping assembly in one embodiment of the utility model;

[0029] Fig.12 This is an internal structure diagram of a crimping assembly in one embodiment of the utility model;

[0030] Fig.13 This is a schematic diagram of a first state of a guide assembly in an embodiment of the utility model;

[0031] Fig.14 This is a schematic diagram of the second state of the guide assembly in one embodiment of the utility model;

[0032] Fig.15 A schematic diagram of a toothed mold in one embodiment of the utility model;

[0033] Fig.16 This is a schematic diagram of a rotating base in one embodiment of the utility model;

[0034] Fig.17 This is a disassembly diagram of a rotating base in one embodiment of the utility model;

[0035] Fig.18 This is a disassembled view of the rotating base from another angle in one embodiment of the utility model;

[0036] Fig.19 This is a schematic diagram of a terminal transport mechanism in one embodiment of the utility model;

[0037] Fig. 20This is a schematic diagram of a terminal arrangement mechanism in one embodiment of the utility model;

[0038] Fig.21 It is a schematic diagram of a control mechanism in one embodiment of the utility model.

[0039] Description of main reference numerals:

[0040] 100-terminal stripping machine, 10-housing, 11-wire jack, 12-adjusting knob, 13-display screen, 14-cover, 15-collecting trough, 16-side door, 20-rotating base, 21-first base, 211-position sensor, 212-detection ruler, 213-buffer rod, 22-second base, 221-first support rod, 222-main body, 223-third mounting plate, 224-baffle, 23-rotating shaft, 231-second pulley, 24-support plate assembly, 241 -connecting plate, 242-first mounting plate, 243-second mounting plate, 25-first rotating motor, 251-first pulley, 26-first linear motor, 27-belt, 30-stripping and twisting mechanism, 31-first bracket, 311-first fixed plate, 312-second fixed plate, 313-third fixed plate, 314-moving plate, 315-second support rod, 316-guide wheel, 32-first drive assembly, 321-second linear motor, 322-second rotating motor, 323-first a gear, 324-a second gear, 33-a working assembly, 331-a main shaft, 332-a connecting arm, 3321-a driving arm, 3322-annular groove, 333-a working arm, 3331-a receiving groove, 3332-a guide groove, 334-a blade, 335-a clamping block, 336-a guide column, 40-a terminal crimping mechanism, 41-a second bracket, 42-a crimping assembly, 421-a crimping die, 4211-a working groove, 422-a push rod, 4221-a driving block, 423-a wedge block, 424- Toothed mold, 4241-tooth row, 425-reset spring, 426-fixed plate, 43-second drive assembly, 431-main cylinder, 432-pre-crimping cylinder, 44-guide assembly, 441-guide base, 442-guide cylinder, 443-guide arm, 444-auxiliary connecting block, 4441-tapered guide groove, 50-terminal arrangement mechanism, 60-terminal handling mechanism, 70-clamping mechanism, 71-clamping base, 72-clamping cylinder, 73-second toothed mold, 80-control mechanism. DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0042] like Figure 1-21 As shown, a terminal stripping and crimping machine 100 in an embodiment of the utility model includes a shell 10, a rotating base 20, a stripping and twisting mechanism 30, a terminal crimping structure 40, a terminal arranging mechanism 50, a terminal transporting mechanism 60, a wire clamping mechanism 70 and a control mechanism 80, wherein the shell 10 is used to provide installation space for all components and operating mechanisms, and is provided with a wire insertion hole 11, the wire clamping mechanism 70 is arranged at the wire insertion hole 11, and is used to clamp the inserted wire, the rotating base 20 is fixed on the bottom plate in the shell 10, and is used to fix the stripping and twisting mechanism 30 and the terminal crimping mechanism 40, the stripping and twisting mechanism 30 is used to cut and strip the insulation layer on the surface of the wire, and at the same time twist the internal wire bundle into a single strand of wire, the terminal crimping mechanism 40 is used to crimp and fix the terminal to the end of the wire stripped of the insulation layer, the terminal arranging mechanism 50 is used to store the terminals to be crimped, the terminal transporting mechanism 60 is used to move the terminals in the terminal arranging mechanism 50 to the terminal crimping mechanism 40, and the control mechanism 80 is used to coordinately control the operation of all working mechanisms.

[0043] In this embodiment, the rotating base 20 has two mounting surfaces, which are respectively used to fix the stripping and twisting mechanism 30 and the terminal crimping mechanism 40. The rotating base 20 has two states. When in the first state, the stripping and twisting mechanism 30 faces the wire insertion hole 11; when in the second state, the terminal crimping mechanism 40 faces the wire insertion hole 11. The terminal stripping and crimping machine 100 in this embodiment does not adopt the common translation switching method of different operating mechanisms, but adopts the rotation switching method by setting the rotating base 20. Compared with the translation switching, the rotation switching method reduces the occupation of the horizontal space in the housing 10, which can improve the internal space utilization of the whole machine and help reduce the volume of the whole machine.

[0044] Specifically, the rotating base 20 includes a first base 21, a second base 22, a rotating shaft 23, a support plate assembly 24, a first rotating motor 25 and a first linear motor 26. The first base 21 is fixed to the bottom plate in the housing 10, a plurality of first support rods 221 are fixed to the second base 22, and a hole is provided on the first base 21 to insert the first support rods 221 into the hole to fix the second base 22 on the first base 21, and the first linear motor 26 is fixed to the first base 21, and its output shaft is fixed to the second base 22. Since the aperture of the hole is slightly larger than the diameter of the first support rod 221, the second base 22 can approach or move away from the first base 21 under the drive of the first linear motor 26.

[0045] The second base 22 includes a main body 222 and a third mounting plate 223 fixed to the main body 222. The first rotary motor 25 and the main body 222 are located on the same side of the third mounting plate 223. One end of the rotating shaft 23 is exposed from the main body 222, and the other end passes through the main body 222 and extends to the outside of the third mounting plate 223. The first pulley 251 and the second pulley 231 are respectively arranged at the ends of the first rotary motor 25 and the rotating shaft 23, and the two are driven to rotate by the belt 27. The support plate assembly 24 includes a connecting plate 241 fixed to the end of the rotating shaft 23, and a first mounting plate 242 and a second mounting plate 243 fixed to the connecting plate 241, which respectively correspond to the fixed stripping and twisting mechanism 30 and the terminal crimping mechanism 40. Therefore, the stripping and twisting mechanism 30 and the terminal crimping mechanism 40 can switch the order of facing the wire insertion hole 11 under the drive of the first rotary motor 25, and then approach and move away from the wire insertion hole 11 under the action of the first linear motor 26. With this arrangement, the stripping and twisting mechanism 30 and the terminal crimping mechanism 40 fully utilize the longitudinal space in the housing 10, reduce the occupancy rate of the lateral space, help improve the overall space utilization, and reduce the volume of the entire machine.

[0046] In this embodiment, the diameter of the first pulley 251 is smaller than the diameter of the second pulley 231. When the first rotating motor 25 outputs one circle, the rotating shaft 23 only rotates a partial angle. Therefore, the switching speed of the stripping and twisting mechanism 30 and the terminal crimping mechanism 40 can be adjusted more accurately by adjusting the output of the first rotating motor 25 to match the working speed of the whole machine, with higher flexibility and accuracy.

[0047] Preferably, the angle between the first mounting plate 242 and the second mounting plate 243 is 90 degrees, and the two are staggered at a certain distance. Through this staggered arrangement, the installable space of each mounting plate is expanded, and the probability of interference between the stripping and twisting mechanism 30 and the terminal crimping mechanism 40 during installation and operation is reduced, which facilitates continuous operation.

[0048] At the same time, a position sensor 211 is fixed on the first base 21, and a corresponding detection ruler 212 is fixed on the main body 222. The detection ruler extends into the position sensor 211 and moves with the main body 222. Through the cooperation of the position sensor 211 and the detection ruler 212, the moving distance of the stripping and twisting mechanism 30 or the terminal crimping mechanism 40 can be monitored in real time and corresponding adjustments can be made.

[0049] Furthermore, a buffer rod 213 facing the main body 222 is fixed on the first base 21 to prevent the second base 22 from excessively retreating and causing failure or damage. At the same time, to prevent the main body 222 from separating from the first base 21, baffles 224 are fixed at the ends of two of the first support rods 221.

[0050] In this embodiment, the stripping and twisting mechanism 30 includes a first bracket 31, a first driving assembly 32 and a working assembly 33, wherein the first bracket 31 includes a first fixed plate 311, a second fixed plate 312, a third fixed plate 313 and a movable plate 314, the first fixed plate 311 and the second fixed plate 312 are arranged opposite to each other, and the two are connected and fixed by a second support rod 315, and the movable plate 314 is sleeved on the second support rod 315 and can move. The first driving assembly 32 includes a second linear motor 321, a second rotary motor 322, a first gear 323 and a second gear 324, the second linear motor 321 and the second rotary motor are respectively fixed on the second fixed plate 312 and the third fixed plate 313, and the first gear 323 is fixed on the output shaft of the second rotary motor 322.

[0051] The working assembly 33 includes a main shaft 331, a connecting arm 332 and two working arms 333. A hole is opened on the first fixed plate 311 and a bearing is arranged. The main shaft 331 is fixed to the inner ring of the bearing. A cross-shaped groove is opened at the end of the main shaft 331, and the groove divides the end of the main shaft 331 into four parts. Two working arms 333 are respectively arranged in the gap between two adjacent parts. A blade 334 and a clamping block 335 are respectively fixed on each working arm 333. Each working arm 333 is also respectively opened with a receiving groove 3331 and two guide grooves 3332 connected to the receiving groove 3331 and arranged in parallel. Two parallel driving arms 3321 are arranged on the connecting arm 332. Each driving arm 3321 extends into the receiving groove 3331 of the working arms 333 on both sides, and a hole is opened at the end. Guide posts 336 are arranged in the hole and the guide groove 3332.

[0052] In this embodiment, the guide grooves 3332 on both sides extend to both sides of the axis of the first gear 323 respectively, and have the same angle with the axis of the first gear 323. Therefore, when the connecting arm 332 moves, with the cooperation of the guide grooves 3332 and the guide pillars 336, the working arms 333 can approach each other, driving the blade 334 and the clamp block 335 to approach each other to contact the insulation layer of the wire.

[0053] like Figure 5-8 As shown, the other end of the main shaft 331 is fixed to the moving plate 314, the output shaft of the second linear motor 321 is fixed to the other side of the moving plate 314, and the first gear 323 is meshed with the second gear 324. Therefore, under the drive of the second linear motor 321, the two working arms 333 approach each other, the blade 334 cuts into the insulation layer, and the clamp block 335 clamps the insulation layer part to be stripped, and then the second rotary motor 322 is operated, the second gear 324 drives the first gear 323 to rotate, the blade 334 cuts on the surface of the wire, and the insulation layer part clamped by the clamp block 335 is cut off, and at the same time, the rotation action also twists the exposed wire bundle into a single strand, which is convenient for subsequent terminal crimping.

[0054] Preferably, the connecting arm 332 is provided with an annular groove 3322 at one end close to the movable plate 314, and correspondingly, two guide wheels 316 located in the annular groove 3322 are provided on the movable plate 314. The rotation directions of the guide wheels 316 and the annular groove 3322 are perpendicular. The guide wheel 316 is a component directly connected to the connecting arm 332. It drives the connecting arm 332 to move forward and backward without affecting the rotation of the connecting arm 332, and has high stability.

[0055] Traditional terminal machines generally adopt the lever principle, that is, the blade and the drive device are respectively arranged at the two ends of the lever, and the stripping is performed by the movement of the lever. This method is essentially a partial circular motion, especially at the tip of the blade far away from the support point of the lever, and its movement mode is not translation but with angle change. This phenomenon may cause incomplete stripping, incomplete detachment of the insulation layer leading to pulling, or excessive cutting causing part of the wire bundle to be cut at the same time when replacing wires with different diameters and different insulation thicknesses. In this embodiment, the stripping and twisting mechanism 30 adopts an oblique wedge movement method (through the cooperation of the guide groove and the guide column), and the movement mode of the blade is translation, and there is no angle change, so the movement process is more linear and more accurate. At the same time, the stripping and twisting mechanism 30 uses a gear drive method. Compared with the traditional belt drive method, it has higher control accuracy, avoids the risk of belt slippage or even breakage, and has higher stability.

[0056] In this embodiment, the terminal crimping assembly 40 includes a second bracket 41, a crimping assembly 42 and a second driving assembly 43. The second driving assembly 43 includes a main cylinder 431 fixed on the second bracket 41. The crimping assembly 42 is fixed on the second bracket 41, and includes a crimping die 421, a push rod 422, two wedge blocks 423 and two first toothed dies 424. A working groove 421 is provided in the crimping die 421. The wedge blocks 423 are relatively arranged in the working groove 4211. The toothed dies 424 are respectively fixed on the wedge blocks 423. The front end of the push rod 422 is provided with two driving blocks 4221 respectively extending to between the wedge blocks 423 at both ends and the side walls of the working groove 4211, and an inclined contact surface is provided between the wedge blocks 423 and the driving blocks 4221 on the same side. The main cylinder 431 is connected to and drives the push rod 422 to move. Since the contact surface between the wedge block 423 and the driving block 4221 is inclined, the movement of the push rod 422 is converted into the relative movement of the wedge block 423, thereby driving the first toothed dies 424 to move closer to each other to crimp the terminal onto the wire, or driving the first toothed dies 424 to move away from each other so that the wire after crimping the terminal can be taken out.

[0057] Preferably, a removable fixing plate 426 is provided on both sides of the working groove 4211 to prevent the internal wedge block 423, the first toothed mold 424, etc. from detaching from the working groove 4211, and holes are opened on the fixing plate 426 for the wires and terminals to pass through and enter between the two first toothed molds 424.

[0058] like Fig.15 As shown, the first tooth-shaped mold 424 has two tooth rows 4241 at a certain angle, each tooth row has a plurality of teeth, and there is a gap between adjacent teeth, so that the two first tooth-shaped molds 424 can be tightly buckled. Each tooth contacts the terminal and provides a force, so the crimping length is longer, and contact points and forces can be provided at all positions of the terminal, so that the terminal is fixed on the wire harness as a whole, avoiding the problem that the fixing position is short and affects the fixing effect, resulting in easy falling off later. At the same time, a large number of teeth can crimp terminals of different lengths, which is more flexible.

[0059] Preferably, two return springs 425 are arranged between the wedge blocks 423. When the main cylinder 431 drives the wedge blocks 423 to approach, the return springs 425 are squeezed to store energy. When the terminals and wires need to be released, the output shaft of the main cylinder 431 retreats, the wedge blocks 423 lose support, and the return springs 425 release the stored energy and reset, pushing the wedge blocks 423 to move to both sides.

[0060] In this embodiment, the second driving assembly 43 further includes a pre-crimping cylinder 432, whose output shaft is connected to the push rod 422. The pre-crimping cylinder 432 is only used to fix the terminal between the two first tooth-shaped dies 424. After the wire is inserted, the main cylinder 431 operates to drive the push rod 422 to continue to move, and the first tooth-shaped dies 424 are further moved closer to each other to crimp the terminal onto the wire.

[0061] Preferably, the terminal crimping mechanism 40 further comprises a guide assembly 44, which is fixed on the crimping die 421, and comprises a guide base 441, a guide cylinder 442, two guide arms 443 and two auxiliary connection blocks 444, wherein the two guide arms 443 are pivotally arranged on both sides of one end of the guide base 441, and the two auxiliary connection blocks 444 are respectively fixed on the two guide arms 443. The guide cylinder 442 is fixed on the other end of the guide base 441, and its output shaft is connected and can drive the two guide arms 443 to rotate, so that the auxiliary connection blocks 444 are moved closer to or away from each other. Each auxiliary connection block 444 is provided with a semicircular tapered guide groove 4441, and when the two auxiliary connection blocks 444 are close to each other, the two semicircular tapered guide grooves 4441 are combined to form a circular funnel-shaped guide hole, the diameter of which gradually increases in the direction away from the first tooth-shaped die 424, so as to accurately guide the wire between the two first tooth-shaped dies 424.

[0062] In this embodiment, the guide assembly 44 has two states, wherein the first state corresponds to the initial state, and the second state is the guide state, which respectively correspond to the "open" and "closed" states of the guide arm 443. Usually, the guide assembly 44 is in the initial state, and is switched to the second state only when the terminal needs to be crimped, and is switched to the first state after the wire is introduced between the first toothed mold 424.

[0063] like Figure 3 and 4 As shown, the wire clamping mechanism 70 is fixed at the insertion port 11, and includes a wire clamping base 71, a wire clamping cylinder 72 and two second tooth-shaped dies 73. The wire clamping cylinder 72 is fixed on the wire clamping base 71. The two tooth-shaped dies 73 are connected to the output end of the wire clamping cylinder 72 and can be driven by the wire clamping cylinder 72 to move closer to or farther from each other, thereby clamping or releasing the wire. The second tooth-shaped die 73 adopts the same structure as the first tooth-shaped die 424, and has a better wire fixing effect.

[0064] In this embodiment, the housing 10 is also provided with an adjustment knob 12 and a display screen 13 connected to the control mechanism 80 on the front panel for viewing and adjusting the control parameters. At the same time, an openable transparent cover 14 is provided on the top for observing the internal operation status and feeding the terminals to the terminal arrangement mechanism 50. A collection trough 15 for collecting the stripped insulation layer is also provided on the inner bottom plate of the housing 10, and a side door 16 is provided on the side, through which the collection trough 15 can be taken out and the insulation layer can be recovered.

[0065] The terminal stripping and crimping machine 100 provided by the utility model is further described below in conjunction with specific usage scenarios. After the equipment is started, the wire is inserted into the wire jack 11, the wire clamping cylinder 72 drives the two second toothed dies 73 to approach and clamp the wire, the first rotary motor 25 works to make the stripping and twisting mechanism 30 face the wire, the first linear motor 26 works to make the stripping and twisting mechanism 30 move toward the wire, the second linear motor 321 drives the connecting arm 332 to move, the working arms 333 approach each other to make the blade 334 and the clamp block 335 contact the wire at the same time, then the second rotary motor 322 starts to drive the first gear 323 to rotate, the blade 334 rotates and cuts the insulation layer on the surface of the wire, the clamp block 335 rotates to fix the removed insulation layer and twist the internal wire bundle into a single strand, the first linear motor 26 starts to make the stripping and twisting mechanism 30 move away from the wire, the removed insulation layer is fixed by the clamp block 335 and stripped from the wire, then the second linear motor 321 drives the connecting arm 332 to retreat and move the clamp block 335 away, and the stripped insulation layer falls off. While the stripping and twisting mechanism 30 is working, the terminal transporting mechanism 60 transfers the terminals provided by the terminal arranging mechanism 50 to the terminal crimping mechanism 40, the pre-crimping cylinder 432 starts to push the push rod 422 to move, and the first tooth-shaped molds 424 approach each other and clamp the terminals. After the operation of the stripping and twisting mechanism 30 is completed, the first rotating motor 25 starts to make the terminal crimping mechanism 40 face the wire, and the first linear motor 26 starts to make the terminal crimping mechanism 40 move toward the wire. At the same time, the guide cylinder 442 starts to make the auxiliary connecting blocks 444 approach each other, and the two conical guide grooves 4441 are combined into a funnel-shaped guide groove, and the wire is guided between the two first toothed dies 424. Then the guide cylinder 442 is started again, and the auxiliary connecting blocks 444 move away from each other. The main cylinder 431 starts to push the push rod 422 to continue to move, and the two first toothed dies 424 continue to approach to fix the terminal on the wire. Then the output shafts of the main cylinder 431 and the pre-crimping cylinder 432 retreat, and the wedge blocks 423 move away from each other under the action of the reset spring 425, and the wire is released. Finally, the wire clamping cylinder 72 drives the second toothed dies 73 to move away from each other, and the wire is released.

[0066] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0067] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A terminal stripping and crimping machine, characterized in that: include: A housing is provided with an installation space inside, and a wire insertion hole is provided on the housing; A rotating base, arranged in the installation space, comprising a first installation surface and a second installation surface, the rotating base having a first state in which the first installation surface faces the wire insertion hole, and a second state in which the second installation surface faces the wire insertion hole, the rotating base being able to rotate the first installation surface and the second installation surface to switch between the first state and the second state; A stripping and twisting mechanism, fixed to the first mounting surface, for stripping the insulation layer and twisting the wire bundle into a single-strand wire; A terminal crimping mechanism, fixed to the second mounting surface, for crimping the terminal to the end of the wire; A terminal arrangement mechanism, arranged in the installation space, for storing terminals to be crimped; A terminal transport mechanism, disposed in the installation space, for transporting the terminals in the terminal arrangement mechanism to the terminal crimping mechanism; A wire clamping mechanism, arranged in the installation space and close to the wire insertion hole, for fixing the wire; The control mechanism connects and controls the wire clamping mechanism, the terminal conveying mechanism, the terminal arranging mechanism, the terminal crimping mechanism, the wire stripping and twisting mechanism and the rotating base.

2. The terminal stripping and crimping machine according to claim 1, characterized in that: The rotating base includes a base, a rotating shaft, a support plate assembly and a first rotating motor, the base is fixed to the shell, the rotating shaft is rotatably arranged in the base, the support plate assembly is fixed to one end of the rotating shaft, the first rotating motor is connected to the other end of the rotating shaft, the first rotating motor drives the rotating shaft and drives the support plate assembly to rotate, the support plate assembly includes a first mounting plate and a second mounting plate, the first mounting surface and the second mounting surface are respectively formed on the first mounting plate and the second mounting plate.

3. The terminal stripping and crimping machine according to claim 2, characterized in that: The base includes a first base and a second base, the first base is fixed to the shell, the rotating shaft, the support plate assembly and the first rotating motor are fixed to the second base, a plurality of support rods are fixed to the second base, the first base is provided with a plurality of through holes for the support rods to pass through, a first linear motor is also fixed to the first base, the first linear motor is connected to and drives the second base to approach or move away from the first base, and / or the first mounting plate and the second mounting plate are perpendicular to each other and staggered.

4. The terminal stripping and crimping machine according to claim 2, characterized in that: The stripping and twisting mechanism includes a first bracket and a first driving assembly and a working assembly fixed on the first bracket, the first bracket is fixed to the first mounting plate, the first driving assembly includes a second rotating motor, a first gear and a second gear, the first gear is rotatably arranged on the first bracket, the second gear is fixed to the output shaft of the second rotating motor and meshes with the first gear, the working assembly is connected to the first gear and can rotate with the first gear, the working assembly includes two blades and two clamps arranged opposite to each other, the two blades are used to cut the insulation layer, and the two clamps are used to clamp the removed insulation layer.

5. The terminal stripping and crimping machine according to claim 4, characterized in that: The working component also includes a connecting arm and two working arms arranged opposite to each other. The first driving component also includes a second linear motor. The blade and the clamp are respectively fixed on each of the working arms, and each of the working arms is respectively provided with guide grooves extending to both sides of the axial direction of the first gear. The extension direction of the two guide grooves is the same as the angle between the axial directions of the first gears. One end of the connecting arm is connected to the second linear motor, and the other end is provided with two driving arms extending to the guide grooves respectively. A guide hole is respectively provided at the end of each of the driving arms, and a guide column is respectively provided in each of the guide holes and the guide grooves.

6. The terminal stripping and crimping machine according to claim 2, characterized in that: The terminal crimping mechanism includes a second bracket and a crimping assembly fixed on the second bracket and a second driving assembly, the second bracket is fixed to the second mounting plate, the second driving assembly includes a main cylinder, the crimping assembly includes a crimping die, a push rod and two first toothed dies arranged opposite to each other, the crimping die is provided with a working groove, the push rod and the first toothed die are arranged in the working groove, each of the first toothed dies is respectively protruded with two teeth rows that are staggered and at a certain angle, and the two first toothed dies can be tightly fitted and form a terminal crimping space between the teeth rows, one end of the push rod is connected to the main cylinder, and the other end is connected to the two first toothed dies, the push rod is driven by the main cylinder to move the two first toothed dies to approach each other and fit together, so as to crimp the terminal onto the wire.

7. The terminal stripping and crimping machine according to claim 6, characterized in that: The crimping assembly also includes two wedge blocks located in the working groove and arranged opposite to each other, the two first toothed dies are respectively fixed to the two wedge blocks, and the other sides of the wedge blocks are respectively formed with inclined first guide surfaces, and the push rod includes two driving arms respectively extending between the wedge blocks and the side walls of the working groove, and each of the driving arms is respectively formed with a second guide surface matching the first guide surface.

8. The terminal stripping and crimping machine according to claim 6, characterized in that: The driving assembly comprises a pre-crimping cylinder connected to the push rod, and the pre-crimping cylinder drives the push rod to move and drives the two first tooth-shaped dies to approach each other to fix the terminal.

9. The terminal stripping and crimping machine according to claim 6, characterized in that: The terminal crimping mechanism also includes a guide assembly fixed to the crimping die, the guide assembly includes a guide base, a guide cylinder fixed to the guide base, and two guide arms pivotally arranged on the guide base, the guide base is fixed to the crimping die, the ends of the two guide arms are respectively provided with semicircular conical guide grooves, the guide cylinder connects and drives the two guide arms to rotate to approach or move away from each other, when the two guide arms rotate close to each other, the two conical guide grooves constitute a guide hole coaxial with the terminal crimping space, and the diameter of the guide hole gradually increases in the direction away from the terminal crimping space.

10. The terminal stripping and crimping machine according to claim 1, characterized in that: The wire clamping mechanism includes a wire clamping base, a wire clamping cylinder and two second toothed dies. The wire clamping base is fixed on the housing, the wire clamping cylinder is fixed to the wire clamping base, the two second toothed dies are respectively fixed to the output shafts of the wire clamping cylinder and are arranged opposite to each other, and each of the second toothed dies is respectively provided with two tooth rows that are staggered and at a certain angle. The wire clamping cylinder can drive the two toothed dies to approach each other and tightly engage to clamp the wire.

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