A peeling stranding machine

Abstract

The present application relates to the field of stripping and stranding of the conductor on the transformer, in particular to a stripping and stranding machine, comprising a positioning mechanism and a laser head, the positioning mechanism has two constraint structures arranged at intervals, the conductor on the transformer is maintained below the laser head by the two constraint structures, and the light emitted by the laser head is projected on the conductor between the two constraint structures; the conductor on the transformer is combed by the positioning mechanism, the melting area of the conductor is guided to coincide with the irradiation range of the laser head, the conductor is subjected to thermal decomposition, the sheath of the conductor is evaporated into the air, and the stripping of the conductor is completed.

Description

Technical Field

[0001] This invention relates to the field of stripping and stranding wires on transformers, and more particularly to a stripping and stranding machine. Background Technology

[0002] A transformer is a device in which copper wire is wound around a frame. In modern society, it is a very mature electrical component.

[0003] To date, transformers have been used in various industries. In the process of this application, the structure of transformers has undergone a series of changes in order to adapt to the environment. As a result, there are a large number of customized transformers on the market.

[0004] Currently, there is a type of transformer that is a custom-made product, and its structure is as follows: Figure 1 As shown, there is currently a lack of equipment that can perform fully automated stripping of this type of transformer. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides a wire stripping machine, which aims to solve the problem of the inability to automatically strip the wires of such transformers.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a stripping and stranding machine, characterized in that it includes a positioning mechanism and a laser head, the positioning mechanism having two constraint structures spaced apart, the conductors on the transformer being held below the laser head by the two constraint structures, and the light emitted by the laser head being projected onto the conductors between the two constraint structures.

[0007] Furthermore, it also includes a forward and reverse rotation auxiliary mechanism, on which a pneumatic finger gripping and positioning mechanism performs a flipping motion to bring the back of the wire toward the laser head.

[0008] Furthermore, the constraint structure consists of the support mechanism in the positioning mechanism and the wire-passing holes provided on the guide plate, through which the wire passes.

[0009] Furthermore, the positioning mechanism includes a jig and a jig base. The jig base is composed of a base plate and a support mechanism formed on the surface of the base plate. The support structure has a four-sided enclosed structure, forming an assembly space that surrounds the jig.

[0010] Furthermore, the fixture is magnetically attached to the fixture base.

[0011] Furthermore, the fixture includes a pair of limiting plates, which are inserted between the two protruding structures of the transformer and support the transformer through their edges.

[0012] Furthermore, the fixture also includes a set of auxiliary components, which are distributed at two extreme positions extending along the length of the limiting plate. Either limiting plate is slidably connected to the auxiliary component, and the two limiting plates are detachably connected.

[0013] Furthermore, it also includes a conveyor belt and a stranded section, with a positioning mechanism moving from the conveyor belt to the stranded section.

[0014] Furthermore, the stranded wire section includes a stranded wire mounting platform, a lifting cylinder, and a pressing component. The lifting cylinder is located above the stranded wire mounting platform, and its piston rod is connected to the pressing component. Under the action of the lifting cylinder, the pressing component moves towards the positioning mechanism on the stranded wire mounting platform. The wire is guided to move towards the inside of the limiting port by the serrated limiting port on the lower edge of the side of the pressing component.

[0015] The beneficial effects of this invention are:

[0016] Under the guidance of the positioning mechanism, the melting area of ​​the conductors on the transformer is aligned with the irradiation range of the laser head, which thermally decomposes the conductors, causing the outer sheath of the conductors to evaporate into the air, thus completing the stripping of the conductors. Attached Figure Description

[0017] Figure 1 It is a 3D diagram of a transformer.

[0018] Figure 2 This is a perspective view of the present invention.

[0019] Figure 3 yes Figure 2 Enlarged diagram of point A.

[0020] Figure 4 yes Figure 2 Enlarged diagram of point B.

[0021] Figure 5 yes Figure 2 Enlarged diagram of point C.

[0022] Figure 6 It is a 3D view of the peeled part.

[0023] Figure 7 yes Figure 6 Schematic diagram at point D.

[0024] Figure 8 This is a three-dimensional view of another aspect of the peeled part.

[0025] Figure 9 It is a three-dimensional diagram of the peeling mechanism.

[0026] Figure 10 yes Figure 9 Enlarged diagram of point E.

[0027] Figure 11 It is a 3D diagram of a conveyor belt.

[0028] Figure 12 yes Figure 11 A stereoscopic view from another perspective.

[0029] Figure 13 This is a diagram showing the usage status of the soot blowing process.

[0030] Figure 14 This is a 3D diagram of the dust blowing mechanism.

[0031] Figure 15 This is a 3D diagram of the positioning mechanism.

[0032] Figure 16 yes Figure 15 An explosion diagram.

[0033] Figure 17 yes Figure 16 Enlarged schematic diagram at point F.

[0034] Figure 18 This is an exploded view of another aspect of the positioning mechanism.

[0035] Figure 19 yes Figure 18 Enlarged schematic diagram at point G.

[0036] Figure 20 yes Figure 18 A stereoscopic view from another perspective.

[0037] Figure 21 yes Figure 20 Enlarged schematic diagram at point H.

[0038] Figure 22 It is a three-dimensional drawing of the jig.

[0039] Figure 23 This is an enlarged schematic diagram of point I in 22.

[0040] Figure 24 This is a 3D view of the twisted wire section.

[0041] Figure 25 yes Figure 24 A stereoscopic view from another perspective.

[0042] Figure 26 This is a 3D diagram of the fixture removal mechanism and the transport and positioning mechanism.

[0043] Figure 27 The jig removal mechanism is a three-dimensional diagram of the jig removal process.

[0044] Figure 28 This is a 3D view of the second pneumatic finger releasing compressed gas.

[0045] Figure 29 This is a 3D diagram of a pneumatic scissors.

[0046] Figure 30 This is a 3D view of a dual-station clamping mechanism.

[0047] Figure 31 It is a 3D diagram of a wire twisting machine. Detailed Implementation

[0048] The following is a detailed description of exemplary embodiments with reference to the accompanying drawings. The same reference numerals in different drawings denote the same or similar elements. Furthermore, the drawings are not necessarily drawn to scale. The following detailed description does not limit the invention. The scope of protection of this invention is defined by the appended claims.

[0049] In this specification, references to "one embodiment," "embodiment," or "some embodiments" mean that a particular feature, structure, or element described with reference to an embodiment is included in at least one embodiment of the described subject matter. Therefore, phrases such as "in one embodiment," "in an embodiment," or "in some embodiments" in this specification do not necessarily refer to the same one or more embodiments. Specific features, structures, or elements may be further combined in any suitable manner in any embodiment.

[0050] Figure 1 The diagram shows a three-dimensional view of transformer 1. Transformer 1 has two wires (wire 1a and wire 1b). As can be seen from the diagram, wire 1a and wire 1b are distributed on the same horizontal plane and extend in opposite directions.

[0051] Figure 2 This is a perspective view of the present invention, which is a wire stripping and stranding machine. This machine can be used to strip, strand, and solder the wires on transformer 1 (see reference). Figure 3-5 ).

[0052] like Figure 6-8 As shown, the present invention includes a positioning mechanism 8 and a stripping part. The laser head 51 and the forward and reverse auxiliary mechanism 52 constitute the stripping mechanism 5 for removing the outer sheath of the wires. The side of the positioning mechanism 8 is provided with a wire through hole 3b'. The transformer 1 installed inside the positioning mechanism 8 has wires 1a and 1b that pass through the wire through hole 3b' on the side of the positioning mechanism 8. The forward and reverse auxiliary mechanism 52 has a pneumatic finger 53. When the pneumatic finger 53 holds the positioning mechanism 8 in a clamping state, the flipping motion implemented by the forward and reverse auxiliary mechanism 52 will pull the positioning mechanism 8 to perform the same flipping motion.

[0053] The laser head 51 is installed above the positioning mechanism 8. The laser range emitted by the laser head 51 is controllable, and it is directed at the melting area of ​​the wires 1a and 1b outside the positioning mechanism 8. When the wires 1a and 1b extending outside the positioning mechanism 8 are irradiated by the laser, the non-metallic outer layer and the insulating inner layer, which are the outer covering, melt and evaporate on the surface of the wire core 1d through thermal decomposition.

[0054] like Figure 9 The diagram shows the state of the positioning mechanism 8 after it has been flipped. The coverage area of ​​the laser head 51 on the wires 1a and B is only half of the outer periphery. After each irradiation, the laser head 51 needs to be flipped by the forward and reverse rotation auxiliary mechanism 52.

[0055] In some embodiments, the forward and reverse auxiliary mechanism 52 is a motor-driven transmission wheel set 52a, and the pneumatic finger 53 is coaxially connected to any transmission wheel 52b in the transmission wheel set 52a. When the transmission wheel set 52a rotates, the pneumatic finger 53 also rotates with the transmission wheel set 52a, so that the positioning mechanism 8 can realize the flipping function.

[0056] Specifically, there is a pair of forward and reverse rotation auxiliary mechanisms 52, which are distributed at two extreme positions along the length of the positioning mechanism 8. In addition, in the transmission wheel sets 52a of the two forward and reverse rotation auxiliary mechanisms 52, at least one transmission wheel 52b is coaxially connected to each other through the transmission shaft 52c. There is only one motor. When the motor drives any one of the transmission wheel sets 52a to rotate, the power source on the motor is transmitted to the other transmission wheel set 52a through the transmission shaft 52c, so as to perform synchronous rotation of the pneumatic fingers 53 in the two forward and reverse rotation auxiliary mechanisms 52.

[0057] When the outer casing is thermally decomposed, it not only produces smoke but also sheds ash. To address these issues, a smoke-blowing mechanism 53, an ash-blowing mechanism 54, and a lifting mechanism 55 are provided. The lifting column on the lifting mechanism 55 can be embedded into the bottom surface of the positioning mechanism 8. During the lifting process (see...), Figure 11-13 As shown, the entire positioning mechanism 8 is pushed out of the conveyor belt 10 and kept in a state where both ends are suspended. The forward and reverse auxiliary mechanism 52 is assembled in a linear moving mechanism. The two work together to keep the positioning mechanism 8 in a suspended state. The ash blowing mechanism 54 can enter below the positioning mechanism 8 through another existing linear moving mechanism. By releasing compressed air, it blows up the ash and smoke below the positioning mechanism 8. The side of the positioning mechanism 8 extending along the length direction corresponds to the smoke inlet of the smoke smoking mechanism 53. The negative pressure formed by the smoke smoking mechanism 53 draws away the smoke and ash and sends it out.

[0058] See Figure 14As shown, the soot blowing mechanism 54 includes a pair of air outlet pipes 54a extending along the length direction. Both ends of the air outlet pipes 54a are connected to the air inlet unit. Furthermore, a plurality of soot blowing holes 54b are provided on the surface of the air outlet pipes 54a. Compressed airflow flows out from the soot blowing holes 54b and flows from below the positioning mechanism 8 to above the positioning mechanism 8.

[0059] The smoking mechanism 53 is a smoking hood with a negative pressure unit. Its specific principle is existing technology, therefore, its structure will not be described in detail.

[0060] ( Figure 15-17 The positioning mechanism 8 is specifically used for positioning the transformer 1. The positioning mechanism 8 includes a jig 2, a jig base 3, and a conductor plate 3c. The jig base 3 is composed of a base plate 3a and a support structure 3b formed on the surface of the base plate 3a. The support structure 3b has a four-sided enclosed structure, forming an assembly space that surrounds the jig 2. The jig 2 is placed into the support structure 3b, and the support structure 3b restricts the freedom of the jig 2. The conductors on the jig 2 pass through the upper edge of the support structure 3b and fall onto the upper edge of the conductor plate 3c. The space between the support structure 3b and the conductor plate 3c is the irradiation range of the laser head 51.

[0061] To prevent the conductor from swaying, the wire-passing holes 3b′ on the upper edges of the support structure 3b and the conductor plate 3c are opposite to each other.

[0062] The positioning mechanism 8 is made of metal. The support structure 3b has a magnet inside (not shown in the figure). After the fixture 2 is installed in the support structure 3b, the positioning mechanism 8 is attracted to the assembly space due to the presence of the magnet. Therefore, the fixture will not fall off when it is flipped.

[0063] In some embodiments, the magnet is embedded in the inner sidewall of the support structure 3b.

[0064] Under the action of the fixture 2, the transformer 1 is kept in a state where the conductor corresponds to the wire hole 3b′ and the conductor is in a horizontal state.

[0065] The fixture includes the following structure:

[0066] (like Figure 18-23The fixture includes a limiting plate, an auxiliary component 2c, a fixture base 2d, and a fixture top plate 2e. Specifically, the limiting plate and the auxiliary component 2c are arranged in pairs and are sequentially enclosed. The limiting plate is divided into a first limiting plate 2a and a second limiting plate 2b. The first limiting plate 2a and the second limiting plate 2b are connected by screws in a way that maintains a gap. The first limiting plate 2a and the auxiliary component 2c are slidably connected. The fixture base 2d is provided with a connecting part 2f, which extends toward the fixture top plate 2e and is fixedly connected to the fixture top plate 2e. The transformer 11 is constrained in the gap between the first limiting plate 2a and the second limiting plate 2b.

[0067] When removing or assembling the transformer 11, simply disassemble the second limiting plate 2b and remove the screws. The disassembly method of the fixture 2 is relatively simple and less complicated.

[0068] In fact, the transformer 11 is positioned within the fixture 2 by a limiting plate. The direction X is the axial direction of the transformer 11. The protruding structure 1c extends outward along the axial direction. Therefore, when the transformer 11 is within the fixture 2, the protruding structure 1c and the edge of the limiting plate are in a relative state. In addition, the width of the limiting plate is smaller than the distance between the protruding structures 1c. During assembly, the limiting plate is inserted between the protruding structures 1c. After the two limiting plates are fixedly connected, the upper edge of the limiting plate provides stroke support for the protruding structure 1c.

[0069] In some embodiments, the inner side of the auxiliary component 2c is provided with a sliding groove 2c′, and the two ends of the first limiting plate 2a are respectively provided with sliders 2a′. The sliders 2a′ are slidably connected to the sliding groove 2c′. The single sliding connection method can quickly form a connection relationship with the auxiliary component 2c. The screw fixing method of the second limiting plate 2b can ensure that the distance between it and the first limiting plate 2a is compact for the transformer 11.

[0070] In addition, the sliding connection method eliminates the need for other auxiliary structures compared to other connection methods.

[0071] The fixture base 2d is also provided with a limiting structure 2g located between the first limiting plate 2a and the second limiting plate 2b. The limiting structure 2g is a limiting block. The limiting block is inserted between the first limiting plate 2a and the second limiting plate 2b to prevent the transformer 1 from being crushed due to excessive distance between them.

[0072] In the embodiment, there are multiple connecting parts 2f, which are arranged in an array, and the transformers 11 are separated by the connecting parts 2f.

[0073] The positioning mechanism 8 is transferred to another process via the conveyor belt 10. The conveyor belt 10 is provided with a pair of lifting mechanisms 55 located between the two conveyor belts 10. After the stripping is completed, the lifting mechanism 55 resets and retracts the positioning mechanism 8 onto the conveyor belt 10, which then transfers it to the next stranding process.

[0074] (like Figure 24-25 In the stranded section, the cutting and stranding of the wire core 1d are also involved. After stripping the insulation, the excess wire core 1d is cut short and the wire core 1d is twisted in a rotating manner. The twisting is to prevent the wire ends from becoming loose, messy, or bent.

[0075] Specifically, the stranded wire portion includes a jig removal mechanism 9 (such as...). Figure 26-28 The fixture removal mechanism 9 includes a female seat positioning platform 91, a first pneumatic finger 92, and a second pneumatic finger 93. The first pneumatic finger 92 transfers the positioning mechanism 8 onto the female seat positioning platform 91 via a linear movement mechanism, and keeps the hole on the female seat positioning platform 91 aligned with the positioning hole on the female seat base plate 3a. The two clamping ends 93a of the second pneumatic finger 93 are connected to a positioning rod 94 with barbs 95. Specific usage:

[0076] The compressed gas in the second pneumatic finger 93 is released in advance, so that the two clamping ends 93a are close to each other and the corresponding positioning rods 94 are spliced ​​together. At this time, the circumference of the positioning rod 94 is less than the circumference of the two holes. After the first pneumatic finger 92 moves the female base plate 3a to the female base positioning table 91, the positioning rod 94 passes through the positioning hole of the female base plate 3a. When compressed gas is added, the two clamping ends 93a move away from each other, so that the barb 95 is stuck on the upper edge of the positioning hole, restricting the female base plate 3a on the female base positioning table 91. At this time, the dual-station clamping mechanism 6 clamps the two ends of the fixture 2 and separates the fixture 2 from the female base plate 3a.

[0077] (like Figure 29 Before the fixture 2 is removed, the female positioning platform 91 is controlled by the linear movement mechanism to move the positioning mechanism 8 toward the wire cutting mechanism 11. The wire cutting mechanism 11 selects the cutting position for the stripped part and cuts the wire.

[0078] The wire cutting mechanism 11 is a pneumatic scissor. In particular, there are four pneumatic scissors arranged in a rectangular pattern. When cutting the wire, the wires on both sides of the positioning mechanism 8 can be cut simultaneously.

[0079] The dual-station clamping mechanism 6 transfers the fixture 2 into the stranding mechanism 7.

[0080] The dual-station clamping mechanism 6 is composed of a linear moving mechanism and a third finger cylinder 61. The linear moving mechanism drives the third finger cylinder 61 to make a reciprocating motion (the third finger cylinder 61 clamps the fixture and moves it in the direction of the stranding).

[0081] like Figure 31 As shown, the stranding mechanism 7 includes a stranding mounting table and a stranding machine 71. The third finger cylinder 61 clamps the fixture and moves it toward the stranding mounting table. The stranding machine 71 moves toward the stranding mounting table via a linear movement mechanism. The stranding machine 71 has a clamping port for gripping the end of the wire core 1d. The clamping port performs a self-rotating action to tighten the wire core 1d in a spiral manner.

[0082] The stranded wire mounting platform is also provided with a first limiting structure. The first limiting mechanism has the same structure as the support mechanism and is used to support the wire core 1d. In conjunction with the second limiting mechanism in the dual-station clamping mechanism 6, the position of the wire core 1d is constrained to a fixed position. After the clamping port moves to this position, it can bite the wire core 1d.

[0083] like Figure 30 As shown, the second limiting mechanism includes a lifting cylinder 72 and a pressing member 73. The pressing member 73 is located above the first limiting mechanism, and its lower edge has a serrated limiting opening 73a. The piston cylinder of the lifting cylinder 72 is connected to the upper surface of the pressing member 73. When performing the descent action, the wire is adjusted to the position on the first limiting mechanism by contracting along the inner side of the limiting opening 73a, ensuring the relativity between the wire and the clamping opening.

[0084] The stranding machine 71 is existing technology, and its structure will not be described in detail here.

[0085] As shown in the figure, after the stranding is completed, it is fed into the soldering station by the dual-station clamping mechanism 6. The soldering station includes a solder feeding mechanism 12a, a high-temperature solder pot 12b, a low-temperature solder pot 12c, and a solder shifting device (not shown in the figure). The fixture 2 moves from the solder feeding mechanism 12a to the designated position. The position of the fixture 2 is adjusted by the solder shifting device so that the wire core 1d corresponds to the inside of the solder pot. After the wire core 1d is immersed in the low-temperature solder pot 12c, it is coated with some loose powder and then enters the high-temperature solder pot 12b. Finally, it is moved into the cooling mechanism 12d and cooled by blowing air.

[0086] The soldering station is existing technology, and the specific structure will not be described in detail. The soldering station can also use a high-precision semi-automatic soldering machine such as 202221590914.4.

[0087] Furthermore, the limiting plate, auxiliary component 2c, fixture base 2d, and fixture top plate 2e in fixture 2 comprehensively wrap the skeleton, tape, and coil in transformer 1. During soldering, they can prevent the molten solder from contacting the skeleton, tape, and coil, thus avoiding the formation of solder balls or dross on the components of transformer 1.

[0088] Furthermore, it should be noted that the linear motion mechanisms described above are all new devices with structures consistent with those in the prior art; therefore, their specific structures will not be elaborated upon further.

[0089] The above embodiments are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A stripping and stranding machine, characterized in that, The device includes a positioning mechanism and a laser head. The positioning mechanism has two spaced-apart constraint structures that hold the conductors on the transformer below the laser head. The light emitted from the laser head is projected onto the conductors between the two constraint structures. The positioning mechanism includes a jig and a jig base. The jig base is composed of a base plate and a support structure formed on the surface of the base plate. The support structure is a four-sided enclosed structure that forms an assembly space surrounding the jig. The jig includes a pair of limiting plates that are inserted between two protruding structures of the transformer and support the transformer through their edges. The jig also includes a set of auxiliary components distributed at two extreme positions extending along the length of the limiting plates. Either limiting plate is slidably connected to an auxiliary component, and the two limiting plates are detachably connected.

2. The wire stripping and stranding machine according to claim 1, characterized in that, It also includes a forward and reverse rotation auxiliary mechanism, on which a pneumatic finger gripping and positioning mechanism performs a flipping motion to bring the back of the wire toward the laser head.

3. The wire stripping and stranding machine according to claim 1, characterized in that, The constraint structure consists of the support mechanism in the positioning mechanism and the wire-passing holes on the guide plate, through which the wire passes.

4. The wire stripping and stranding machine according to claim 1, characterized in that, The fixture is magnetically attached to the fixture base.

5. A stripping and stranding machine according to claim 1, characterized in that, It also includes a conveyor belt and a stranded section, with a positioning mechanism that moves from the conveyor belt to the stranded section.

6. A stripping and stranding machine according to claim 5, characterized in that, The stranded wire section includes a stranded wire mounting platform, a lifting cylinder, and a pressing component. The lifting cylinder is located above the stranded wire mounting platform, and its piston rod is connected to the pressing component. Under the action of the lifting cylinder, the pressing component moves towards the positioning mechanism on the stranded wire mounting platform. The wire is guided to move inward by the serrated limiting port on the lower edge of the side of the pressing component.

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