A tape transport device and drilling equipment

Abstract

The present invention discloses a tape transport device and a drilling device, which are used to transport a medium and cooperate with a drilling machine structure and a circuit board. The tape transport device includes: a material discharge structure, including a material discharge arm arranged horizontally and a material storage reel connected to one end of the material discharge arm, one end of the medium is wound on the material storage reel; a material receiving structure, including a material receiving arm arranged horizontally and a tape transport driving mechanism connected to one end of the material receiving arm, the tape transport driving mechanism is connected to the other end of the medium and controls and drives the medium to move, so that the medium is released from the material storage reel and passes through an operating interval; and a guide structure, which is provided with two, and the two guide structures are used to guide the medium to pass through the operating interval and tension the medium located in the operating interval. The present invention can enable the medium to continuously guide the drilling machine structure to drill holes without the need for manual replacement of the plate material, thereby improving the drilling efficiency and reducing the labor cost.

Description

Technical Field

[0001] The present invention belongs to the field of drilling equipment, and in particular relates to a tape transport device and drilling equipment. Background Art

[0002] During the PCB drilling process, a very thin sheet of material (aluminum sheet, cardboard, phenolic board, etc.) is usually covered on the surface of the circuit board. This sheet can dissipate heat and guide the drill bit during drilling, increase drilling accuracy, improve hole-forming effects, and effectively avoid undesirable phenomena such as residual flash and burrs on the surface of the circuit board after drilling.

[0003] However, the sheet material feeding operation is currently performed manually, that is, after a sheet material is used up, a worker needs to replace it with a new one, which makes the sheet material changing process cumbersome, inefficient, and has high labor costs. Summary of the Invention

[0004] The purpose of the embodiments of the present application is to provide a tape transport device, aiming to solve the problem of how to automatically transport sheet materials.

[0005] To achieve the above-mentioned purpose, the technical solution adopted in the present application is: to provide a tape transport device for conveying a medium and cooperating with a drilling rig structure and a circuit board, wherein the medium is in a tape-shaped form and can be wound and arranged, and the medium is used to guide the drilling rig structure to drill holes in the circuit board, wherein the circuit board is arranged flatly below the drilling rig structure and forms an operating area together with the drilling rig structure, and the medium is partially located in the operating area and between the circuit board and the drilling rig structure, characterized in that the tape transport device includes:

[0006] The material unwinding structure includes a transversely arranged unwinding arm and a material storage reel connected to one end of the unwinding arm, and one end of the medium is wound around the material storage reel;

[0007] a receiving structure comprising a transversely arranged receiving arm and a tape drive mechanism connected to one end of the receiving arm, wherein the tape drive mechanism is connected to the other end of the medium and controls and drives the movement of the medium so that the medium is released from the storage reel and passes through the working area; and

[0008] There are two guide structures, which are used to guide the medium through the working area and tension the medium located in the working area. One of the guide structures is connected to the other end of the discharge arm and is used to guide the medium to move from top to bottom, and the other guide structure is connected to the other end of the receiving arm and is used to guide the medium to move from bottom to top.

[0009] In one embodiment, the guide structure includes a vertically arranged guide arm, a guide seat connected to the guide arm, and a guide pulley connected to the lower end of the guide arm. The guide seat is provided with a guide hole for the medium to pass through. The extension path of the guide hole is vertically arranged. The wheel surface of the guide pulley faces downward and abuts against the medium. One of the guide arms is connected to the discharge arm, and the other guide arm is connected to the receiving arm.

[0010] In one embodiment, the guide structure further includes a lifting driver connected to the guide arm, the guide seat is slidably connected to the guide arm, and the lifting driver is used to drive the guide seat to slide reciprocatingly up and down.

[0011] In one embodiment, the guide structure also includes a locking drive mechanism, which includes a locking cylinder connected to the guide seat and a locking block connected to the locking cylinder piston rod. The hole wall of the guide hole is provided with a notch corresponding to the position of the locking block, and the locking cylinder drives the locking block to abut / detach from the medium at the notch.

[0012] In one embodiment, the tape drive mechanism includes a tape assembly, which includes a material transfer seat connected to the material receiving arm, a material transfer drive connected to the material transfer seat, a rubber wheel connected to the output shaft of the material transfer drive, and an idler wheel connected to the material transfer seat, and the idler wheel cooperates with the rubber wheel to clamp and move the medium.

[0013] In one embodiment, the tape transport assembly further includes a guide cover plate connected to the material transfer seat, and the guide cover plate is provided with a guide groove for guiding the medium to enter between the idler wheel and the rubber wheel.

[0014] In one embodiment, the material receiving structure further includes a material receiving reel connected to the material receiving arm, and the tape drive mechanism further includes a material winding drive for driving the material receiving reel to rotate to wind the medium, and the medium released from the material storage reel is wound on the material receiving reel.

[0015] In one embodiment, the tape drive mechanism also includes a control mechanism, which includes a control switch connected to the receiving arm and used to control the roll drive, and a swing arm whose one end is rotatably connected to the receiving arm and the other end is downwardly abutted against the medium, and the abutting end of the swing arm rotates a predetermined angle to trigger the control switch.

[0016] In one embodiment, the tape walker further comprises a photoelectric switch, and the photoelectric switch is used to sense the medium stored in the storage reel.

[0017] Another object of the present invention is to provide a drilling device for drilling holes on a circuit board, the drilling device including the tape transport device as described above, the drilling device also including a drilling table for setting the circuit board and a drilling rig structure located above the circuit board.

[0018] The beneficial effect of the present application is that: by leading the medium out of the material storage reel and passing it through the working area under the action of two guide structures, and then connecting the tape drive mechanism, the two guide structures tension the medium in the working area so that the surface of the medium abuts the board surface of the circuit board to be drilled, thereby guiding the drilling structure to drill holes on the circuit board, and the tape drive mechanism drives the medium to move in the working area, so that the medium can continuously guide the drilling structure to drill holes without the need for manual replacement of the sheet material, thereby improving drilling efficiency and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 A schematic diagram of the structure of the drilling equipment provided in an embodiment of the present application;

[0021] Figure 2 yes Figure 1 A schematic structural diagram of a tape transport device;

[0022] Figure 3 yes Figure 1 Structural schematic diagram of the discharge structure;

[0023] Figure 4 yes Figure 1 A structural diagram of a receiving structure;

[0024] Figure 5 yes Figure 1 A schematic structural diagram of a guide structure;

[0025] Figure 6 yes Figure 1 Schematic diagram of the structure of the tape drive mechanism.

[0026] Among them, the reference numerals in the figures are:

[0027] 200, drilling equipment; 100, tape transport; 10, unwinding structure; 12, storage reel; 11, unwinding arm; 13, transition pulley; 20, take-up structure; 21, take-up arm; 22, take-up reel; 300, medium; 201, drilling platform; 202, drilling rig structure; 203, working area; 30, guide structure; 31, guide arm; 32, lifting drive; 33, locking mechanism; 331, locking drive; 332, lock Stop block; 34, guide seat; 341, guide hole; 35, guide pulley; 333, notch; 23, tape drive mechanism; 231, rubber wheel; 232, idler pulley; 233, guide cover; 234, coil drive; 238, control mechanism; 235, control switch; 236, swing arm; 237, swing pulley; 14, photoelectric switch; 27, guide slot; 239, material transfer drive; 238, material transfer seat; 24, tape transport assembly; DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0029] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0032] See also Figure 1 and Figure 3The embodiment of the present application provides a tape transport device 100 for transporting a medium 300 and for use with a drilling structure 202 and a circuit board. The medium 300 is in the form of a strip and can be flexibly bent to be wound. Optionally, the medium 300 can be an aluminum sheet, cardboard, or phenolic board. The medium 300 is used to guide the drilling structure 202 to drill holes in the circuit board to improve drilling accuracy and drilling results, and to avoid burrs and burrs on the drilled surface of the circuit board after drilling. The circuit board is laid flat below the drilling structure 202 and together with the drilling structure 202 forms an operating area 203. The tape transport device 100 includes a discharge structure 10, a rewinding structure 20, and a guide structure 30. The discharge structure 10 includes a transversely arranged discharge arm 11 and a storage reel 12 connected to one end of the discharge arm 11. One end of the medium 300 is wound on the storage reel 12. The storage reel 12 can release the wound medium 300 during rotation. The receiving structure 20 includes a transversely arranged receiving arm 21 and a tape drive mechanism 23 connected to one end of the receiving arm 21. The tape drive mechanism 23 is connected to the other end of the medium 300 and controls and drives the movement of the medium 300, so that the medium 300 is released from the storage reel 12 and passes through the working area 203. Two guide structures 30 are provided, and the two guide structures 30 are used to guide the medium 300 through the working area 203 and tension the medium 300 in the working area 203. One guide structure 30 is connected to the other end of the unloading arm 11 and is used to guide the medium 300 from top to bottom. The other guide structure 30 is connected to the other end of the receiving arm 21 and is used to guide the medium 300 from bottom to top.

[0033] See also Figure 2 and Figure 5 , by leading out the medium 300 from the material storage reel 12, and under the action of the two guide structures 30, the medium 300 is passed through the working area 203, and then the medium 300 is connected to the tape drive mechanism 23. The two guide structures 30 tighten the medium 300 in the working area 203, so that the surface of the medium 300 abuts against the board surface to be drilled of the circuit board, thereby guiding the drilling structure 202 to drill holes on the circuit board. After one drilling is completed, the medium 300 is driven to move in the working area 203 by the tape drive mechanism 23, so that the medium 300 can continuously guide the drilling structure 202 to perform continuous drilling without the need for manual replacement of the board or the medium 300, thereby improving drilling efficiency and reducing labor costs.

[0034] In one embodiment, the guide structure 30 includes a vertically arranged guide arm 31, a guide seat 34 connected to the guide arm 31, and a guide pulley 35 connected to the lower end of the guide arm 31. The guide seat 34 defines a guide hole 341 for the medium 300 to pass through. The guide hole 341 extends vertically. The wheel surface of the guide pulley 35 faces downward and abuts the medium 300. One guide arm 31 is connected to the discharge arm 11, while the other guide arm 31 is connected to the receiving arm 21. Optionally, the medium 300 can be guided smoothly by the guide slot 27. The drilling rig structure 202 is located between the two guide arms 31. The two guide pulleys 35 can tension the medium 300 in the working area 203 and guide the medium 300 to move smoothly.

[0035] Optionally, the discharge arm 11 is further provided with a transition pulley 13, which is used to guide the medium 300 through the corresponding guide hole 341; the receiving arm 21 is also provided with a transition pulley 13, which is used to guide the medium 300 through the corresponding guide hole 341.

[0036] See also Figure 2 and Figure 5 In one embodiment, the guide structure 30 further includes a lift actuator 32 connected to the guide arm 31. The guide base 34 is slidably connected to the guide arm 31. The lift actuator 32 is used to drive the guide base 34 to slide back and forth. Optionally, the lift actuator 32 is a pneumatic cylinder. The lift actuator 32 can be used to adjust the position of the medium 300 in the working area 203, thereby adapting the medium 300 to circuit boards of varying thicknesses and shapes.

[0037] In one embodiment, the guide structure 30 also includes a locking drive mechanism, which includes a locking cylinder connected to the guide seat 34 and a locking block 332 connected to the locking cylinder piston rod. A notch 333 is provided on the wall of the guide hole 341 corresponding to the position of the locking block 332, and the locking cylinder drives the locking block 332 to abut / detach from the medium 300 at the notch 333.

[0038] See also Figure 1 and Figure 4 Optionally, when replacing the circuit board located in the working area 203, the two locking cylinders respectively abut and press the medium 300 located in the corresponding guide hole 341. At the same time, the two lifting drivers 32 drive the corresponding guide seat 34 to slide upward, so that the medium 300 located in the working area 203 moves upward together and is in a taut and straightened state, which facilitates the feeding mechanism to deliver the new circuit board to the working area 203 and is located below the medium 300, thereby preventing the medium 300 in the working area 203 from sagging due to gravity and rubbing against the newly placed circuit board, affecting the board placement accuracy of the circuit board and scratching the surface of the circuit board.

[0039] See also Figure 2 and Figure 5 In one embodiment, the tape drive mechanism 23 includes a tape assembly 24, which includes a material transfer base 238 connected to the receiving arm 21, a material transfer driver 239 connected to the material transfer base 238, a rubber wheel 231 connected to the output shaft of the material transfer driver 239, and an idler wheel 232 connected to the material transfer base 238. The idler wheel 232 cooperates with the rubber wheel 231 to clamp and move the medium 300. Optionally, the material transfer driver 239 is a stepper motor.

[0040] After the circuit board to be drilled is loaded, the lift actuator 32 on the receiving mechanism 20 lowers the corresponding guide seat 34. Simultaneously, two locking cylinders drive the corresponding locking blocks away from the medium 300. The tape drive mechanism 23 drives the stepper motor according to software-defined parameters, driving the rubber roller 231. The friction between the medium 300, the rubber roller 231, and the idler pulley 232 causes the medium 300 to move the desired length. At this point, the locking cylinders on the receiving mechanism 20 drive the corresponding locking blocks 332 to compress the medium 300. Next, the lift actuator 32 on the unloading mechanism 10 lowers the corresponding guide seat 34. The downward pressure generated by the transition pulley 13 on the lift guide arm 31 rotates the storage reel 12, completing the unloading operation. After the descent is complete, the locking cylinders on the unloading mechanism 10 drive the corresponding locking blocks 332 to lock the medium 300, allowing the drilling mechanism 202 to begin drilling.

[0041] See also Figure 6 In one embodiment, the tape transport assembly 24 further includes a guide cover 233 for the material transfer base 238. The guide cover 233 defines a guide groove 27 for guiding the medium 300 between the idler wheel 232 and the rubber wheel 231. The guide groove 27 allows the medium 300 to smoothly pass between the rubber wheel 231 and the idler wheel 232, improving the transport accuracy of the medium 300. The rubber wheel 231 is made of a flexible silicone material, effectively protecting the medium 300.

[0042] Optionally, a tape transport assembly 24 is also provided on the unloading arm 11 , and the two tape transport assemblies 24 synchronously drive the medium 300 to move, thereby improving the accuracy and reliability of the medium 300 transmission.

[0043] In one embodiment, the take-up structure 20 further includes a take-up reel 22 that rotates to receive the material arm 21, and the tape drive mechanism 23 further includes a winding drive 234 for driving the take-up reel 22 to rotate so as to wind the medium 300. The medium 300 released from the storage reel 12 is wound around the take-up reel 22. It is understood that the winding drive 234 drives the take-up reel 22 to rotate according to the take-up signal and through belt transmission, thereby winding the medium 300 released from the storage reel 12.

[0044] In one embodiment, the tape drive mechanism 23 further includes a control mechanism 238, which includes a control switch 235 connected to the take-up arm 21 and used to control the web drive 234, and a swing arm 236, one end of which is rotatably connected to the take-up arm 21 and the other end of which is downwardly abutted against the medium 300. The abutting end of the swing arm 236 rotates a predetermined angle to trigger the control switch 235. Optionally, a swing pulley 237 is provided on the end of the swing arm 236 abutting the medium 300. The wheel surface of the swing pulley 237 contacts the tape surface of the medium 300, and the rotation angle of the swing arm 236 is related to the tightness of the medium 300 abutted against it.

[0045] The medium 300 is continuously moved by the tape drive mechanism 23, so that the swing arm 236 abuts one end of the medium 300 and descends with the medium 300. After the swing pulley 237 descends to a predetermined position, that is, after the swing arm 236 rotates a predetermined angle relative to the receiving arm 21, the swing arm 236 triggers the control switch 235, so that the control switch 235 sends a receiving signal to the roll drive 234, so that the roll drive 234 drives the receiving reel 22 to rotate a predetermined angle to recycle the medium 300 until the swing arm 236 rotates in the opposite direction and resets, and the cycle continues until the medium 300 on the storage reel 12 is released and recovered.

[0046] In one embodiment, the tape transport device 100 further includes a photoelectric switch 14 for sensing the medium 300 stored in the storage reel 12. Optionally, the photoelectric switch 14 sends an alarm signal after sensing that the medium 300 in the storage reel 12 has been completely released, thereby prompting a worker to replace the storage reel 12.

[0047] See also Figure 1 The present invention also proposes a drilling device 200, which includes a tape transport device 100. The specific structure of the tape transport device 100 refers to the above embodiment. Since the drilling device 200 adopts all the technical solutions of all the above embodiments, it also has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0048] In one embodiment, the drilling device 200 further includes a drilling table 201 on which the circuit board is placed and a drilling rig structure 202 located above the circuit board.

[0049] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A tape transport device for conveying a medium and used in conjunction with a drilling machine structure and a circuit board, wherein the medium is in a tape shape and can be wound and arranged, and the medium is used to guide the drilling machine structure to drill holes on the circuit board, wherein: The circuit board is flatly arranged below the drilling rig structure and forms an operating area together with the drilling rig structure. The medium part is located in the operating area and between the circuit board and the drilling rig structure. The tape transport device includes: The material unwinding structure comprises a material unwinding arm arranged transversely and a material storage reel connected to one end of the material unwinding arm, and one end of the medium is wound around the material storage reel; A material receiving structure, comprising a transversely arranged material receiving arm and a tape drive mechanism connected to one end of the material receiving arm, wherein the tape drive mechanism is connected to the other end of the medium and controls and drives the medium to move so that the medium is released from the material storage reel and passes through the working area; and There are two guide structures, and the two guide structures are used to guide the medium to pass through the working area and tension the medium in the working area, wherein one guide structure is connected to the other end of the discharge arm and is used to guide the medium to move from top to bottom, and the other guide structure is connected to the other end of the receiving arm and is used to guide the medium to move from bottom to top; The guide structure includes a vertically arranged guide arm, a guide seat connected to the guide arm, and a guide pulley connected to the lower end of the guide arm, the guide seat is provided with a guide hole for the medium to pass through, the extension path of the guide hole is arranged vertically, the wheel surface of the guide pulley faces downward to abut against the medium, one of the guide arms is connected to the material discharge arm, and the other guide arm is connected to the material collection arm; The guide structure further comprises a lifting driver connected to the guide arm, the guide seat is slidably connected to the guide arm, and the lifting driver is used to drive the guide seat to slide reciprocatingly up and down; The tape drive mechanism includes a tape assembly, which includes a material transfer seat connected to the material receiving arm, a material transfer driver connected to the material transfer seat, a rubber wheel connected to the output shaft of the material transfer driver, and an idle wheel connected to the material transfer seat, and the idle wheel cooperates with the rubber wheel to clamp and move the medium.

2. The tape transport device according to claim 1, characterized in that: The guide structure also includes a locking drive mechanism, which includes a locking cylinder connected to the guide seat and a locking block connected to the locking cylinder piston rod. A notch is provided on the hole wall of the guide hole corresponding to the position of the locking block, and the locking cylinder drives the locking block to abut / detach from the medium at the notch.

3. The tape transport device according to claim 1, characterized in that: The tape transport assembly further comprises a guide cover plate connected to the material transfer seat, and the guide cover plate is provided with a guide groove for guiding the medium to enter between the idler wheel and the rubber wheel.

4. The tape transport device according to any one of claims 1 to 3, characterized in that: The material receiving structure also includes a material receiving reel connected to the material receiving arm, and the tape driving mechanism also includes a winding drive for driving the material receiving reel to rotate to wind the medium, and the medium released from the material storage reel is wound on the material receiving reel.

5. The tape transport device according to claim 4, characterized in that: The tape drive mechanism also includes a control mechanism, which includes a control switch connected to the receiving arm and used to control the roll drive, and a swing arm whose one end is rotatably connected to the receiving arm and the other end abuts the medium downward, and the abutting end of the swing arm rotates at a predetermined angle to trigger the control switch.

6. The tape transport device according to any one of claims 1 to 3, characterized in that: The tape walker also includes a photoelectric switch, which is used to sense the medium stored in the storage reel.

7. A drilling device for drilling holes on a circuit board, characterized in that: The drilling equipment comprises the tape transport device as claimed in any one of claims 1 to 6, and the drilling equipment further comprises a drilling table for setting the circuit board and a drilling machine structure located above the circuit board.

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