A portable arc forming machine and forming method

Abstract

The present invention discloses a convenient circular arc forming machine and forming method. The forming machine comprises a machine base, a workpiece clamping mechanism, a cutter feeding device and a rotary cutter device; the machine base has a workbench; the workpiece clamping mechanism is arranged on the workbench, and the workpiece clamping mechanism comprises a base, a rotating shaft, a workpiece fixture and a rotating device; the base is fixed on the workbench; the rotating shaft is rotatably arranged on the base and extends upward from the workbench; the workpiece fixture is arranged on the rotating shaft and rotates synchronously with the rotating shaft; the rotating device drives the rotating shaft to rotate back and forth; and a self-locking device for locking the rotating shaft is arranged on the base. By cooperating with the workpiece clamping mechanism, the cutter feeding device and the rotary cutter device, the workpiece can be processed into a circle or an arc groove. The equipment has low requirements for operation and use, is easy to control, has few processes, and effectively reduces the cost of manpower and material resources.

Description

Technical Field

[0001] The invention relates to the field of processing equipment technology, in particular to a portable arc forming machine and a forming method. Background Art

[0002] At present, when processing circular and arc grooves on parts, CNC machine tools or manual grinding and polishing are usually used. Both methods have disadvantages. The disadvantage of CNC machine tools is high processing cost, while the disadvantage of manual grinding and polishing is long working hours and poor consistency. Therefore, it is necessary to study a solution to solve the above problems. Summary of the invention

[0003] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide a convenient arc forming machine and forming method, which can effectively solve the problems of high processing cost, long working hours and poor consistency in the existing processing methods.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A portable arc forming machine comprises a machine base, a workpiece clamping mechanism, a cutter feeding device and a rotating cutter device; the machine base has a worktable; the workpiece clamping mechanism is arranged on the worktable, and the workpiece clamping mechanism comprises a base, a rotating shaft, a workpiece fixture and a rotating device; the base is fixed on the worktable; the rotating shaft is rotatably arranged on the base and extends upward from the worktable; the workpiece fixture is arranged on the rotating shaft and rotates synchronously with the rotating shaft; the rotating device drives the rotating shaft to rotate back and forth; and a self-locking device for locking the rotating shaft is arranged on the base; the cutter feeding device is arranged on the worktable; the rotating cutter device is located beside the workpiece clamping mechanism, and the cutter feeding device drives the rotating cutter device to move away from or approach the workpiece clamping mechanism.

[0006] Preferably, the base has a mounting slot hole, and the rotating shaft is rotatably mounted in the mounting slot hole via a bearing.

[0007] Preferably, a through hole is provided on the side of the base, which is connected to the mounting slot hole. A locking slot is recessed on the side of the rotating shaft. The self-locking device includes a mounting seat, a locking pin, a spring and a control rod. The mounting seat is fixed on the side of the base. The mounting seat has a guide hole, which is vertically connected to the through hole. The locking pin is movably arranged in the through hole, and the inner end of the locking pin is matched with the locking slot, and the outer end of the locking pin extends into the guide hole. The spring is sleeved outside the locking pin and prompts the locking pin to move outward. The control rod can be movably inserted in the guide hole up and down, and the lower end of the control rod cooperates with the outer end of the locking pin and prompts the locking pin to move inward, and the upper end of the control rod extends upward out of the workbench.

[0008] Preferably, the workpiece fixture includes a seat body and a cover body, the seat body is sleeved on the rotating shaft and positioned by a positioning key, the cover body can be movably sleeved outside the rotating shaft and pressed against the seat body, and a clamping groove for clamping the workpiece is formed between the cover body and the seat body.

[0009] Preferably, the rotating device is a hand wheel, which is threadedly connected to the upper end of the rotating shaft, and a pressing cylinder is sandwiched between the hand wheel and the cover body.

[0010] Preferably, the shaft sleeve is provided with a first spring and a second spring, the first spring abuts against the bottom surface of the seat body, and the second spring abuts between the seat body and the cover body.

[0011] Preferably, the cutter feeding device includes a fixed seat, a slide seat, a screw rod, a transmission shaft and a handle; the fixed seat is fixed to the bottom surface of the workbench, the slide seat can be horizontally slidably arranged on the fixed seat, the aforementioned rotary cutter device is fixed on the slide seat, the screw rod is rotatably mounted on the fixed seat, the screw rod is threadedly connected to the slide seat and drives the slide seat to slide back and forth horizontally, a first bevel tooth is arranged on the screw rod, the transmission shaft is rotatably arranged and extends vertically, a second bevel tooth is fixed to the lower end of the transmission shaft, the second bevel tooth is meshed with the first bevel tooth, and the handle is fixed to the upper end of the transmission shaft.

[0012] Preferably, the rotary cutter device comprises a motor and a cutting blade, and the cutting blade is fixed on an output shaft of the motor.

[0013] Preferably, a protective tool box is provided under the workbench, and the workpiece clamping mechanism, the cutter feeding device and the rotary cutter device are partially stored in the protective tool box. A protective cover is provided above the workbench, and the protective cover covers the workpiece clamping mechanism, the cutter feeding device and the rotary cutter device.

[0014] A forming method, using the aforementioned portable arc forming machine, comprises the following steps:

[0015] (1) Press the self-locking device and turn the rotating device counterclockwise. After the workpiece fixture is completely released, place the workpiece to be processed in the workpiece fixture.

[0016] (2) After the workpiece to be processed is placed, turn the rotating device clockwise to align the center of the workpiece to be processed with the center of the rotating cutter device while pressing it. After completion, lift the self-locking device;

[0017] (3) Press the power switch to start, the rotary cutter device rotates at high speed, hold the rotary device tightly with one hand, and slowly rotate the cutter feed device with the other hand until the cutter depth reaches the ideal position, then stop rotating the cutter feed device;

[0018] (4) Rotate the rotating device slowly and steadily to ensure that the rotary cutter device processes the workpiece product evenly and stably until the rotary cutter device completely processes the workpiece to be processed;

[0019] (5) Press the power switch to stop, press the self-locking device, turn the rotating device counterclockwise, and after the workpiece fixture is completely released, take out the processed workpiece and place the workpiece to be processed in the workpiece fixture.

[0020] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0021] By cooperating with the workpiece clamping mechanism, the cutter feeding device and the rotary cutter device, the workpiece can be processed into circular and arc grooves. The equipment has low requirements for operation and use, is easy to control, has few processes, and effectively reduces the cost of manpower and material resources. According to the processing technology of the grinding material, the cutting and grinding tools can be flexibly selected, and the feed amount can be adjusted to compensate for the wear of the processed product and correct and trim it to ensure the best quality. The equipment is simple to operate, light, safe, hygienic and energy-saving. The equipment can perform multi-bit integrated processing on a single workpiece or multiple workpieces to improve efficiency. The equipment has a compact structure, small size, light weight, low noise, easy to carry and easy to use. The equipment has functions such as grinding, cutting and polishing, and can be used for precise processing of products in a variety of ways.

[0022] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the present invention;

[0024] Figure 2 It is a three-dimensional diagram of a preferred embodiment of the present invention without a protective cover;

[0025] Figure 3 yes Figure 2 Schematic diagram from another angle;

[0026] Figure 4 It is an exploded view of a preferred embodiment of the present invention without a protective cover;

[0027] Figure 5 It is an enlarged schematic diagram of a workpiece clamping mechanism in a preferred embodiment of the present invention;

[0028] Figure 6 is a cross-sectional schematic diagram of a workpiece clamping mechanism in a preferred embodiment of the present invention;

[0029] Figure 7is an enlarged schematic diagram of a rotary cutter device and a cutter feeding device in a preferred embodiment of the present invention;

[0030] Figure 8 It is an enlarged schematic diagram of the rotary cutter device and the cutter feeding device from another angle in the preferred embodiment of the present invention.

[0031] Description of the accompanying drawings:

[0032] 10. Machine base 11. Workbench

[0033] 12. Protective tool box 13. Protective cover

[0034] 14. Portable handle 20. Workpiece clamping mechanism

[0035] 21. Base 22. Rotating shaft

[0036] 23. Workpiece fixture 231. Seat

[0037] 232, cover 24, rotating device

[0038] 25. Self-locking device 251. Mounting seat

[0039] 252, lock pin 253, spring

[0040] 254, control rod 255, ball head

[0041] 26. Compressing cylinder 27. First spring

[0042] 28. Second spring 201. Mounting slot

[0043] 202, bearing 203, through hole

[0044] 204, locking groove 205, guide hole

[0045] 206, positioning key 207, clamping groove

[0046] 30. Cutter feeding device 31. Fixed seat

[0047] 32. Sliding seat 33. Screw rod

[0048] 34. Transmission shaft 35. Handle

[0049] 36, first bevel gear 37, second bevel gear

[0050] 40. Rotary cutter device 41. Motor

[0051] 42. Cutting disc 43. Protective cover

[0052] 50. Workpiece 60. Power switch

[0053] 71. Ruler 72. Height pointer

[0054] 73. Position pointer. DETAILED DESCRIPTION

[0055] Please refer to Figures 1 to 8 As shown, it shows the specific structure of a portable arc forming machine of a preferred embodiment of the present invention, including a base 10, a workpiece clamping mechanism 20, a cutter feeding device 30 and a rotating cutter device 40.

[0056] The machine base 10 has a workbench 11, on which a ruler 71 and a height pointer 72 are provided; in the present embodiment, a protective tool box 12 is provided below the workbench 11, in which various articles can be placed, and a protective cover 13 is provided above the workbench 11, which covers the workpiece clamping mechanism 20, the cutter feeding device 30 and the rotary cutter device 40, and a portable handle 14 is provided in the middle of the protective cover 13.

[0057] The workpiece clamping mechanism 20 is arranged on the workbench 11, and the workpiece clamping mechanism 20 includes a base 21, a rotating shaft 22, a workpiece fixture 23 and a rotating device 24; the base 21 is fixed on the workbench 11; the rotating shaft 22 is rotatably arranged on the base 21 and extends upward from the workbench 11; the workpiece fixture 23 is arranged on the rotating shaft 22 and rotates synchronously with the rotating shaft 22; the rotating device 24 drives the rotating shaft 22 to rotate back and forth; and a self-locking device 25 for locking the rotating shaft 22 is arranged on the base 21. In this embodiment, the workpiece clamping mechanism 20 is partially stored in the protective tool box 12; the base 21 has a mounting slot 201, and the rotating shaft 22 is rotatably mounted in the mounting slot 201 through a bearing 202; a through hole 203 is opened on the side of the base 21, and the through hole 203 is connected to the mounting slot 201. A locking groove 204 is recessed on the side of the rotating shaft 22, and the self-locking device 25 includes a mounting seat 251, a locking pin 252, a spring 253 and a control rod 254. The mounting seat 25 The mounting base 251 is fixed on the side of the base 21. The mounting base 251 has a guide hole 205, which is vertically connected to the through hole 203. The lock pin 252 is movably arranged in the through hole 203. The inner end of the lock pin 252 is matched with the locking groove 204. The outer end of the lock pin 252 extends into the guide hole 205. The spring 253 is sleeved outside the lock pin 252 and promotes the lock pin 252 to move outward. The control rod 254 can be inserted into the guide hole 205 movably up and down. The lower end of the control rod 254 is connected to the locking groove 204. The outer end of the lock pin 252 cooperates and causes the lock pin 252 to move inward, and the upper end of the control rod 254 extends upward outside the workbench 11. The upper end of the control rod 254 is fixed with a ball head 255 for easy pressing and control; the workpiece fixture 23 includes a seat body 231 and a cover body 232. The seat body 231 is sleeved on the rotating shaft 22 and positioned by the positioning key 206. The cover body 232 can be movably sleeved on the outside of the rotating shaft 22 and pressed against the seat body 231. A space for A clamping groove 207 for clamping the workpiece 50; the rotating device 24 is a hand wheel, which is threadedly connected to the upper end of the rotating shaft 22, and a clamping cylinder 26 is sandwiched between the hand wheel and the cover body 232 to facilitate the adjustment of the height of the center position of the workpiece 50; the rotating shaft 22 is outerly provided with a first spring 27 and a second spring 28, the first spring 27 is against the bottom surface of the seat body 231, and the second spring 28 is between the seat body 231 and the cover body 232, and the elasticity of the first spring 27 is greater than the elastic force of the second spring 28.

[0058] The cutter feeding device 30 is arranged on the workbench 11; the rotary cutter device 40 is located beside the workpiece clamping mechanism 20, and the cutter feeding device 30 drives the rotary cutter device 40 away from or close to the workpiece clamping mechanism 20. In the present embodiment, the cutter feeding device 30 and the rotary cutter device 40 are both partially stored in the protective tool box 12; specifically, the cutter feeding device 30 includes a fixed seat 31, a slide seat 32, a screw rod 33, a transmission shaft 34 and a handle 35; the fixed seat 31 is fixed to the bottom surface of the workbench 11, and the slide seat 32 can be horizontally slidably arranged on the fixed seat 31, the aforementioned rotary cutter device 40 is fixed on the slide seat 32, and the screw rod 33 is rotatably installed on the fixed seat 31, the screw rod 33 is screwed to the slide seat 32 and drives the slide seat 32 to slide back and forth horizontally, and the screw rod 33 is The first bevel gear 36 is arranged, and the transmission shaft 34 is rotatably arranged and extends vertically. The lower end of the transmission shaft 34 is fixed with a second bevel gear 37, and the second bevel gear 37 is meshed with the first bevel gear 36. The handle 35 is fixed to the upper end of the transmission shaft 34, and the handle 35 is a foldable handle; the rotary cutter device 40 includes a motor 41 and a cutting blade 42, and the motor 42 is fixed on the slide 32, and the cutting blade 42 is fixed on the output shaft of the motor 41. The cutting blade 42 is a saw blade or a grinding wheel, etc., and a protective cover 43 is fixed on the slide 32, and the protective cover 43 is located on the side of the cutting blade 42.

[0059] In addition, the aforementioned height pointer 72 is located on the side of the workpiece clamping mechanism 20, and the height pointer 72 is used to indicate the height of the current cutting blade 42, so as to facilitate checking the height when the hand wheel presses down the mold; and a position pointer 73 is provided on the protective cover 43, and the aforementioned scale 71 is located on the side of the rotating cutter device 40, and is used to indicate the position of the current cutting blade 42.

[0060] The present invention also discloses a forming method, which uses a convenient arc forming machine and includes the following steps:

[0061] (1) The self-locking device 25 is pressed down, and the control rod 254 moves downward to cause the locking pin 252 to move inward, so that the inner end of the locking pin 252 is stuck in the locking groove 204, thereby making the rotating shaft 22 unable to rotate. Then, the rotating device 24 is rotated counterclockwise. After the workpiece fixture 23 is completely released, the workpiece 50 to be processed is placed in the workpiece fixture 23.

[0062] (2) After the workpiece to be processed is placed, the rotating device 24 is rotated clockwise to align the center of the workpiece 50 to be processed with the center of the rotating cutter device 40 while pressing. After completion, the self-locking device 25 is lifted, the control rod 254 moves upward, and the locking pin 252 moves outward under the action of the spring 253, so that the inner end of the locking pin 252 disengages from the locking groove 204.

[0063] (3) Press the power switch 60 (the power switch 60 controls the rotary cutter device 40) to start the rotary cutter device 40, and the rotary cutter device 40 rotates at high speed. Hold the rotary device 24 with one hand and slowly turn the handle 35 of the cutter feed device 30 with the other hand until the cutter depth reaches the ideal position, and then stop the rotary cutter feed device 30.

[0064] (4) Rotate the rotating device 24 slowly and steadily to ensure that the rotary cutter device 40 processes the workpiece 50 product evenly and stably until the rotary cutter device 40 completely processes the workpiece 50 to be processed.

[0065] (5) Press the power switch 60 to stop, press the self-locking device 25, and rotate the rotating device 24 counterclockwise. After the workpiece fixture 23 is completely released, take out the processed workpiece 50 and place the workpiece 50 to be processed in the workpiece fixture 23.

[0066] This equipment adopts the principle of X and Y axis bidirectional adjustable operation structure, and has the function of cutting and grinding various metal and non-metal circular and block profiles into circular and arc shapes. Such as iron, steel, stainless steel, copper, aluminum, wood, rubber and other metal and non-metal profiles. It can process circles or arcs accurately according to product requirements; the equipment has the function of controlling the depth and center of the product, and can choose to use saw blades or cutters, polishing wheels, and cutting discs to process materials for large and small arcs, which is quick and easy to replace; it can polish, grind, chamfer, and remove burrs on product parts, and cut, grind, and flatten the surface appearance of the product.

[0067] This equipment is used for metal cutting, turning, grinding, stone cutting, polishing and other processing products. It is widely used in aerospace, locomotive parts, electronic appliances, medical equipment, precision instruments, toys, stationery, lighting, furniture and other precision product industries.

[0068] The design focus of the present invention is: by cooperating with the workpiece clamping mechanism, the cutter feeding device and the rotating cutter device, the workpiece can be processed into circular and arc grooves. The equipment has low requirements for operation and use, is easy to control, has few processes, and effectively reduces the cost of manpower and material resources. According to the processing technology of the grinding material, the cutting and grinding tools can be flexibly selected, and the feed amount can be adjusted to compensate for the wear of the processed product and correct and trim it to ensure the best quality. The equipment is simple to operate, light, safe, hygienic, and energy-saving. The equipment can perform multi-bit integrated processing on a single workpiece or multiple workpieces to improve efficiency. The equipment has a compact structure, small size, light weight, low noise, is easy to carry, and is easy to use. The equipment has functions such as grinding, cutting, and polishing, and can be used for precise processing of products in a variety of ways.

[0069] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A portable arc forming machine, characterized in that: The invention comprises a base, a workpiece clamping mechanism, a cutter feeding device and a rotary cutter device; the base has a worktable; the workpiece clamping mechanism is arranged on the worktable, and the workpiece clamping mechanism comprises a base, a rotating shaft, a workpiece fixture and a rotating device; the base is fixed on the worktable; the rotating shaft is rotatably arranged on the base and extends upwardly out of the worktable; the workpiece fixture is arranged on the rotating shaft and rotates synchronously with the rotating shaft; the rotating device drives the rotating shaft to rotate back and forth; and a self-locking device for locking the rotating shaft is arranged on the base; the cutter feeding device is arranged on the worktable; the rotary cutter device is located beside the workpiece clamping mechanism, and the cutter feeding device drives the rotary cutter device away from or close to the workpiece clamping mechanism; the workpiece fixture comprises a base body and a cover body, the base body is sleeved on the rotating shaft and positioned by a positioning key, the cover body can be movably sleeved on the outside of the rotating shaft and pressed against the base body, and a clamping groove for clamping the workpiece is formed between the cover body and the base body; The base has a mounting slot hole, and the rotating shaft is rotatably mounted in the mounting slot hole through a bearing; A through hole is provided on the side of the base, the through hole is connected to the mounting slot hole, a locking slot is recessed on the side of the rotating shaft, and the self-locking device includes a mounting seat, a locking pin, a spring and a control rod. The mounting seat is fixed on the side of the base, and the mounting seat has a guide hole, which is vertically connected to the through hole. The locking pin is movably arranged in the through hole, the inner end of the locking pin is matched with the locking slot, the outer end of the locking pin extends into the guide hole, the spring is sleeved outside the locking pin and prompts the locking pin to move outward, the control rod can be movably inserted in the guide hole up and down, the lower end of the control rod is matched with the outer end of the locking pin and prompts the locking pin to move inward, and the upper end of the control rod extends upward outside the workbench; The rotating device is a hand wheel, which is threadedly connected to the upper end of the rotating shaft, and a pressing cylinder is sandwiched between the hand wheel and the cover body; The shaft outer sleeve is provided with a first spring and a second spring, the first spring abuts against the bottom surface of the seat body, and the second spring abuts between the seat body and the cover body.

2. A portable arc forming machine as claimed in claim 1, characterized in that: The cutter feeding device includes a fixed seat, a slide seat, a screw rod, a transmission shaft and a handle; the fixed seat is fixed to the bottom surface of the workbench, the slide seat can be horizontally slidably arranged on the fixed seat, the aforementioned rotary cutter device is fixed on the slide seat, the screw rod is rotatably installed on the fixed seat, the screw rod is threadedly connected with the slide seat and drives the slide seat to slide back and forth horizontally, a first bevel tooth is arranged on the screw rod, the transmission shaft is rotatably arranged and extends vertically, a second bevel tooth is fixed to the lower end of the transmission shaft, the second bevel tooth is meshed with the first bevel tooth, and the handle is fixed to the upper end of the transmission shaft.

3. A portable arc forming machine as claimed in claim 1, characterized in that: The rotary cutter device comprises a motor and a cutting blade, and the cutting blade is fixed on the output shaft of the motor.

4. A portable arc forming machine as claimed in claim 1, characterized in that: A protective tool box is arranged below the workbench, and the workpiece clamping mechanism, the cutter feeding device and the rotary cutter device are partially stored in the protective tool box. A protective cover is arranged above the workbench, and the protective cover covers the workpiece clamping mechanism, the cutter feeding device and the rotary cutter device.

5. A molding method, characterized in that: A portable arc forming machine according to any one of claims 1 to 4 is used, comprising the following steps: (1) Press the self-locking device and rotate the rotating device counterclockwise. After the workpiece fixture is completely released, place the workpiece to be processed in the workpiece fixture; (2) After the workpiece to be processed is placed, turn the rotating device clockwise to align the center of the workpiece to be processed with the center of the rotating cutter device while pressing it. After completion, lift the self-locking device; (3) Press the power switch to start, the rotary cutter device rotates at high speed, hold the rotary device tightly with one hand, and slowly rotate the cutter feed device with the other hand until the cutter depth reaches the ideal position, then stop rotating the cutter feed device; (4) Rotate the rotating device slowly and steadily to ensure that the rotary cutter device processes the workpiece product evenly and stably until the rotary cutter device completely processes the workpiece to be processed; (5) Press the power switch to stop, press the self-locking device, turn the rotating device counterclockwise, and after the workpiece fixture is completely released, take out the processed workpiece and place the workpiece to be processed in the workpiece fixture.

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