Processing equipment and processing method for bamboo bottle cap

Abstract

The invention relates to the technical field of bamboo product milling machining, in particular to machining equipment and a machining method for a bamboo bottle cap. The processing equipment comprises a rack; the first moving seat can be movably connected to the rack in the X direction; the first driving shaft is rotationally connected to the first moving seat, and the axial direction of the first driving shaft is the X direction; the three-jaw chuck is coaxially connected to the X-direction end of the first driving shaft; the center frame is connected to the rack, the saw cutting mechanism comprises a lifting air cylinder and a saw blade, and the saw blade is rotationally connected to the lower portion of the lifting air cylinder and located on the X-direction side of the center frame; the XZ double-axis moving module is connected to the rack; the second moving seat is connected to the XZ double-axis moving module; a main body of the rotary turn-milling cutter is a cylinder, an annular protruding part is arranged on the side portion of the main body, and a spiral chip groove is formed in the side portion of the turn-milling cutter. Through the improvement, the processing technology of the bamboo bottle cap can be simplified, the processing precision of the bottle cap is improved, and the equipment cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of milling processing of bamboo products, and particularly to a processing device and a processing method for bamboo bottle caps. Background Art

[0002] Bamboo is a plant with extremely fast growth rate, strong renewable ability and easy degradation. Therefore, the bamboo bottle cap replacing the traditional plastic bottle cap is more environmentally friendly.

[0003] In the prior art, among the shapes of bamboo bottle caps applied to food storage bottles, the main body shape is a flat rotating body, and a stepped structure is provided on the side. An annular groove is provided on the lower step for connecting a sealing rubber ring. When in use, the upper step covers the bottle mouth, and the sealing rubber ring connected to the lower step is in interference fit with the inner side of the bottle mouth; in the existing process of the above-mentioned bamboo bottle cap, a flat bamboo board is used as the base material, and two circular plates of different sizes are cut out from the flat bamboo board by a numerical control milling machine. The two circular plates of different sizes are coaxially attached to form a stepped bottle cap shape, and then clamped on the milling machine, and an annular groove is milled at the side edge of the lower step for connecting the sealing rubber ring. This processing method requires more steps, the process is complex, and errors are likely to occur during the bonding process of the two circular plates of different sizes, and it is difficult to achieve complete coaxiality, thus affecting the sealing performance of the bottle cap covering the bottle mouth, and it is easy to cause a large amount of waste of scraps. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: to improve the processing device and processing method of bamboo bottle caps, simplify the processing process of bamboo bottle caps, improve the processing accuracy of bottle caps, and reduce the equipment cost.

[0005] In order to solve the above technical problem, the technical solution adopted by the present invention is: A processing device for bamboo bottle caps, the bamboo bottle cap includes a first cylinder and a second cylinder coaxially arranged from top to bottom in sequence, the diameter of the first cylinder is larger than that of the second cylinder, and an annular groove is provided on the circumferential surface of the second cylinder. The processing device includes: A frame; A first moving seat, which is movably connected to the frame along the X direction; A first driving shaft, which is rotatably connected to the first moving seat, and the axial direction of the first driving shaft is the X direction; A three-jaw chuck, which is coaxially connected to the X-direction end of the first driving shaft; A center rest, which is connected to the frame, the center rest is located on the X-direction side of the three-jaw chuck, the center rest includes a middle support seat and side support arms symmetrically distributed on both Y-direction sides of the middle support arm, and support rollers for abutting against the outer circumferential part of the workpiece are connected to both the middle support arm and the side support arms; Sawing mechanism, the sawing mechanism includes a lifting cylinder and a saw blade, the cylinder body of the lifting cylinder is connected to the machine frame, the saw blade is rotatably connected to the lower part of the lifting cylinder, and the saw blade is located on the X-direction side of the center frame; XZ two-axis moving module, the XZ two-axis moving module is connected to the machine frame; Second moving seat, the second moving seat is connected to the XZ two-axis moving module; Turning and milling mechanism, the turning and milling mechanism is connected to the second moving seat, the turning and milling mechanism includes a rotary turning and milling tool, the main body of the rotary turning and milling tool is a cylinder, a circular protruding part is provided on the side of the main body, and a spiral chip removal groove is provided on the side of the turning and milling tool; In the first state, one end of the bamboo round rod is clamped in the three-jaw chuck, and the side of the bamboo round rod is supported by the center frame, so that the axial direction of the bamboo round rod is the X direction, the saw blade is located above the bamboo round rod, and the rotary turning and milling tool is located below the bamboo round rod.

[0006] Further, in the above-mentioned processing equipment structure of the bamboo bottle cap, the machine frame is provided with a first lead screw guide rail assembly arranged along the X direction, and the first moving seat is connected to the first lead screw guide rail assembly.

[0007] Further, in the above-mentioned processing equipment structure of the bamboo bottle cap, the XZ two-axis moving module includes a second lead screw guide rail assembly connected to the machine frame along the X direction, a sliding seat connected to the second lead screw guide rail assembly, and a third lead screw guide rail assembly connected to the sliding seat along the Z direction, and the second moving seat is connected to the third lead screw guide rail assembly.

[0008] Further, in the above-mentioned processing equipment structure of the bamboo bottle cap, the edge of the protruding part of the turning and milling tool is arc-shaped.

[0009] Further, in the above-mentioned processing equipment structure of the bamboo bottle cap, the machine frame is also provided with a guide slope, and the guide slope is located directly below the sawing mechanism.

[0010] The present invention also relates to a processing method of the above-mentioned processing equipment for bamboo bottle caps, including the following steps: Manufacture a bamboo round rod; Clamp one end of the bamboo round rod in the three-jaw chuck, and limit and support the circumferential surface of the bamboo round rod on the center frame; Control the first drive shaft to drive the three-jaw chuck to rotate continuously, driving the bamboo round rod to rotate; Control the turning and milling tool to rotate at high speed; Control the XZ two-axis moving module to drive the turning and milling tool to move downward and away from the X direction, and then make the turning and milling tool slowly move upward and close so that the main body of the turning and milling tool contacts the circumferential surface of the bamboo round rod, and make the main body of the turning and milling tool polish the circumferential surface of the bamboo round rod to process the first cylinder, and the protruding part of the turning and milling tool processes the chamfer at the upper part of the first cylinder; Control the XZ two-axis movement module to drive the turning and milling tool to move downward, move it in the X direction to below the end of the bamboo round rod, and then slowly move the turning and milling tool upward to make the main body and the protruding part of the turning and milling tool machine out the second cylinder and the annular groove along the end side of the bamboo round rod; Control the XZ two-axis movement module to drive the turning and milling tool, move downward, and move in the X direction to disengage from the bamboo round rod; Control the lifting cylinder to drive the saw blade to move downward, cut off the bamboo round rod at the position of the above chamfer, so that the cut-off part forms the shape of a bamboo bottle cap.

[0011] The beneficial effects of the present invention are as follows: The present invention uses a bamboo round rod as the raw material. During processing, after the bamboo round rod is only positioned on the three-jaw chuck and the center rest, a turning and milling tool dedicated to making bamboo bottle caps is creatively designed. Only by using one turning and milling tool and through two turning and milling processes, the first cylinder and its chamfer of the bamboo bottle cap body, as well as the turning and milling processes of the second cylinder and the annular groove can be completed. Then, through the cutting of the saw blade, the turning and milling process of the bamboo bottle cap body can be efficiently completed. Compared with the traditional method of separately processing the first cylinder and the second cylinder from bamboo boards and then bonding them, this equipment and process can better ensure the coaxiality of the first cylinder and the second cylinder, the processing accuracy is guaranteed, and the production efficiency is greatly improved, realizing the efficient automation of processing. Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram of a processing equipment for a bamboo bottle cap according to a specific embodiment of the present invention; Figure 2 For Figure 1 The enlarged view of part A; Figure 3 It is a Y-direction view of a processing equipment for a bamboo bottle cap according to a specific embodiment of the present invention; Figure 4 For Figure 3 The cross-sectional view taken along line B-B; Figure 5 It is the front view of a bamboo bottle cap body according to a specific embodiment of the present invention; Figure 6 It is a schematic structural diagram of a bamboo round rod processed in step 4 in the processing method of a processing equipment for a bamboo bottle cap according to a specific embodiment of the present invention; Figure 7 It is a schematic structural diagram of a bamboo round rod processed in step 5 in the processing method of a processing equipment for a bamboo bottle cap according to a specific embodiment of the present invention; Figure 8 It is a schematic structural diagram of a bamboo round rod processed in step 7 in the processing method of a processing equipment for a bamboo bottle cap according to a specific embodiment of the present invention; Label Description: 1. Bamboo bottle cap body; 11. First cylinder; 111. Chamfer; 12. Second cylinder; 121. Annular groove; 2. Machine frame; 21. First screw rod guide rail assembly; 22. Feeding slope; 3. First moving seat; 4. Three-jaw chuck; 5. Center rest; 51. Support seat; 52. Side support arm; 53. Universal wheel; 6. Sawing mechanism; 61. Saw blade; 62. Lifting cylinder; 7. XZ two-axis moving module; 71. Second screw rod guide rail assembly; 72. Slide seat; 73. Third screw rod guide rail assembly; 8. Turning and milling cutter; 81. Main body; 82. Protrusion; 9. Bamboo round bar. Detailed implementation mode

[0013] To illustrate the technical content, achieved objectives and effects of the present invention in detail, the following is described in conjunction with the implementation modes and with reference to the accompanying drawings.

[0014] Refer to Figures 1 to 4 , the detailed implementation mode of the present invention relates to a processing device for bamboo bottle caps. The bamboo bottle cap includes a first cylinder 11 and a second cylinder 12 which are coaxially arranged from top to bottom in sequence. The diameter of the first cylinder 11 is greater than that of the second cylinder 12. An annular groove 121 is provided on the circumferential surface of the second cylinder 12. The processing device includes: Machine frame 2; First moving seat 3, the first moving seat 3 is movably connected to the machine frame 2 along the X direction; First drive shaft, the first drive shaft is rotatably connected to the first moving seat 3, and the axial direction of the first drive shaft is the X direction; Three-jaw chuck 4, the three-jaw chuck 4 is coaxially connected to the X-direction end of the first drive shaft; Center rest 5, the center rest 5 is connected to the machine frame 2. The center rest 5 is located on the X-direction side of the three-jaw chuck 4. The center rest 5 includes a middle support seat 51 and side support arms 52 symmetrically distributed on both Y-direction sides of the middle support arm. Support rollers for abutting against the outer circumferential part of the workpiece are connected to both the middle support arm and the side support arms 52. The support rollers are universal wheels 53; Sawing mechanism 6, the sawing mechanism 6 includes a lifting cylinder 62 and a saw blade 61. The cylinder body of the lifting cylinder 62 is connected to the machine frame 2. The saw blade 61 is rotatably connected to the lower part of the lifting cylinder 62. The saw blade 61 is located on the X-direction side of the center rest 5; XZ two-axis moving module 7, the XZ two-axis moving module 7 is connected to the machine frame 2; Second moving seat, the second moving seat is connected to the XZ two-axis moving module 7; A turning and milling mechanism, the turning and milling mechanism is connected to the second moving seat, the turning and milling mechanism includes a rotary turning and milling cutter 8, the main body 81 of the rotary turning and milling cutter 8 is a cylinder, a circular protruding portion 82 is provided on the side of the main body 81, and a spiral chip removal groove is provided on the side of the turning and milling cutter 8; In the first state, one end of the bamboo round bar 9 is clamped by the three-jaw chuck 4, and the side of the bamboo round bar 9 is supported by the steady rest 5, so that the axial direction of the bamboo round bar 9 is the X direction, the saw blade 61 is located above the bamboo round bar 9, and the rotary turning and milling cutter 8 is located below the bamboo round bar 9.

[0015] In the above embodiments, taking the bamboo round bar 9 as the raw material, during processing, the bamboo round bar 9 only needs to be positioned on the three-jaw chuck 4 and the steady rest 5, and only one turning and milling mechanism is needed. After two turning and milling processes, the first cylinder 11 and its chamfer 111 of the bamboo bottle cap body 1, as well as the turning and milling processes of the second cylinder 12 and the annular groove 121 can be completed. Then, through the cutting of the saw blade 61, the turning and milling of the bamboo bottle cap body 1 can be efficiently completed. Compared with the traditional method of separately processing the first cylinder 11 and the second cylinder 12 from bamboo boards and then bonding them, this equipment and process can better ensure the coaxiality of the first cylinder 11 and the second cylinder 12, the processing accuracy is guaranteed, and the production efficiency is greatly improved, realizing high-efficiency automation of processing.

[0016] As a preferred embodiment, the frame 2 is provided with a first lead screw guide rail assembly 21 arranged along the X direction, and the first moving seat 3 is connected to the first lead screw guide rail assembly 21.

[0017] As a preferred embodiment, the XZ double-axis moving module 7 includes a second lead screw guide rail assembly 71 connected to the frame 2 along the X direction, a sliding seat 72 connected to the second lead screw guide rail assembly 71, and a third lead screw guide rail assembly 73 connected to the sliding seat 72 along the Z direction. The second moving seat is connected to the third lead screw guide rail assembly 73.

[0018] As a preferred embodiment, the edge of the protruding portion 82 of the turning and milling cutter 8 is arc-shaped.

[0019] As a preferred embodiment, the frame 2 is further provided with a material guiding slope 22, and the material guiding slope 22 is located directly below the sawing mechanism 6. When the saw blade 61 completely cuts off the processed bamboo bottle cap body 1, it is guided to a collection box on one side through the material guiding slope 22 for centralized collection. The material guiding slope 22 can also play a role in blocking dust.

[0020] Referring to Figures 5 to 8 , the present invention also relates to a processing method of the above-mentioned processing equipment for bamboo bottle caps, including the following steps: Step 1: Manufacture the bamboo round bar 9; In this step, the process of the bamboo round rod 9 belongs to the prior art. First, bamboo strips can be impregnated with glue, pressed into a cuboid bamboo block by a press, and then processed into the bamboo round rod 9 by existing round rod processing equipment. The above processing all belongs to the prior art, so the specific process conditions will not be described in detail herein. Step 2: Clamp one end of the bamboo round rod 9 on the three-jaw chuck 4, and the circumferential surface of the bamboo round rod 9 is limited and supported by the center rest 5. The above center rest 5 is also a conventional structure, so the specific internal structure and working principle will not be described in detail herein.

[0021] Step 3: Control the first drive shaft to drive the three-jaw chuck 4 to rotate continuously, driving the bamboo round rod 9 to rotate. Control the turning and milling cutter 8 to rotate at high speed. The above three-jaw chuck 4 is connected to the machine tool spindle, and the positioning and clamping for rotation are also conventional structures in the art. The specific internal structure and principle will not be elaborated herein either.

[0022] Refer to Figure 6 , Step 4: Control the XZ two-axis moving module 7 to drive the turning and milling cutter 8 to move downward and away from the X direction, then make the turning and milling cutter 8 slowly move upward and make the main body 81 of the turning and milling cutter 8 contact the circumferential surface of the bamboo round rod 9, so that the main body 81 of the turning and milling cutter 8 grinds the circumferential surface of the bamboo round rod 9 to machine the first cylinder 11, and the protruding part 82 of the turning and milling cutter 8 machines the chamfer 111 on the upper part of the first cylinder 11. Refer to Figure 7 , Step 5: Control the XZ two-axis moving module 7 to drive the turning and milling cutter 8 to move downward and move to the lower part of the end of the bamboo round rod 9 in the X direction, then make the turning and milling cutter 8 slowly move upward, so that the main body 81 and the protruding part 82 of the turning and milling cutter 8 machine the second cylinder 12 and the annular groove 121 on the side edge of the end of the bamboo round rod 9. Step 6: Control the XZ two-axis moving module 7 to drive the turning and milling cutter 8 to move downward and in the X direction to disengage from the bamboo round rod 9. Refer to Figure 5 and Figure 8 , Step 7: Control the lifting cylinder 62 to drive the saw blade 61 to move downward, and cut off the bamboo round rod 9 at the position of the above chamfer 111, so that the cut-off part forms the shape of a bamboo bottle cap.

[0023] In the above method, the turning and milling cutter 8 dedicated to manufacturing bamboo bottle caps is creatively designed. The design of its annular protruding part can be used to machine the chamfer 111 of the first cylinder 11 during the first turning and milling, and can be used to machine the annular groove 121 of the second cylinder 12 during the second turning and milling. The annular groove 121 is convenient for installing a sealing rubber ring later. Compared with the traditional processing method in terms of equipment design and process design, it can greatly improve the production accuracy and efficiency.

[0024] The above are only embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. Processing equipment for bamboo bottle caps. Based on the bamboo bottle cap body, the bamboo bottle cap body includes a first cylinder and a second cylinder that are coaxially arranged from top to bottom in sequence. The diameter of the first cylinder is larger than that of the second cylinder. An annular groove is provided on the circumferential surface of the second cylinder. It is characterized in that, The processing equipment includes: A frame; A first moving seat, which is movably connected to the frame along the X direction; A first driving shaft, which is rotatably connected to the first moving seat, and the axial direction of the first driving shaft is the X direction; A three-jaw chuck, which is coaxially connected to the X-direction end of the first driving shaft; A center rest, which is connected to the frame. The center rest is located on the X-direction side of the three-jaw chuck. The center rest includes a middle support seat and side support arms symmetrically distributed on both Y-direction sides of the middle support arm. Support universal wheels for abutting against the outer circumferential part of the workpiece are connected to both the middle support arm and the side support arms; A sawing mechanism, which includes a lifting cylinder and a saw blade. The cylinder body of the lifting cylinder is connected to the frame, and the saw blade is rotatably connected to the lower part of the lifting cylinder. The saw blade is located on the X-direction side of the center rest; An XZ two-axis moving module, which is connected to the frame; A second moving seat, which is connected to the XZ two-axis moving module; A turning and milling mechanism, which is connected to the second moving seat. The turning and milling mechanism includes a rotary turning and milling tool. The main body of the rotary turning and milling tool is a cylinder, a circular protruding part is provided on the side part of the main body, and a spiral chip removal groove is provided on the side part of the turning and milling tool; In the first state, one end of the bamboo round bar is clamped in the three-jaw chuck, and the side part of the bamboo round bar is supported by the center rest, so that the axial direction of the bamboo round bar is the X direction. The saw blade is located above the bamboo round bar, and the rotary turning and milling tool is located below the bamboo round bar.

2. The processing equipment for the bamboo bottle cap according to claim 1, characterized in that, The frame is provided with a first lead screw guide rail assembly arranged along the X direction, and the first moving seat is connected to the first lead screw guide rail assembly.

3. The processing equipment for the bamboo bottle cap according to claim 1, characterized in that, The XZ two-axis moving module includes a second lead screw guide rail assembly connected to the frame along the X direction, a sliding seat connected to the second lead screw guide rail assembly, and a third lead screw guide rail assembly connected to the sliding seat along the Z direction. The second moving seat is connected to the third lead screw guide rail assembly.

4. The processing equipment for the bamboo bottle cap according to claim 1, characterized in that, The edge of the protruding part of the turning and milling tool is circular arc-shaped.

5. The processing equipment for the bamboo bottle cap according to claim 1, characterized in that, The frame is also provided with a material guiding slope, which is located directly below the sawing mechanism.

6. The processing method of the processing equipment for the bamboo bottle cap according to any one of claims 1 to 5, characterized in that, It includes the following steps: Manufacture a bamboo round bar; Clamp one end of the bamboo round bar in the three-jaw chuck, and limit and support the circumferential surface of the bamboo round bar by the center rest; Control the first driving shaft to drive the three-jaw chuck to rotate continuously, driving the bamboo round bar to rotate; Control the turning and milling tool to rotate at a high speed; Control the XZ two-axis moving module to drive the turning and milling tool to move downward and away from the X direction, and then make the turning and milling tool slowly move upward and close so that the main body of the turning and milling tool contacts the circumferential surface of the bamboo round bar, and the main body of the turning and milling tool grinds the circumferential surface of the bamboo round bar to machine the first cylinder, and the protruding part of the turning and milling tool machines the chamfer at the upper part of the first cylinder; Control the XZ two-axis moving module to drive the turning and milling tool to move downward and move to the lower part of the end of the bamboo round bar in the X direction, and then make the turning and milling tool slowly move upward and close, so that the main body and the protruding part of the turning and milling tool machine the second cylinder and the annular groove on the side edge of the end of the bamboo round bar; Control the XZ two-axis moving module to drive the turning and milling tool to move downward and in the X direction, and disengage from the bamboo round bar; Control the lifting cylinder to drive the saw blade to move downward, and cut off the bamboo round rod at the position of the above chamfer, so that the cut-off part forms the shape of a bamboo bottle cap.

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