Production method of thin tire and thin tire shaping machine
By combining a support platform and positioning columns with vacuum adsorption technology and the use of double-blade cutters, the problem of low strength of thin-walled porcelain before air drying was solved, achieving efficient and precise body shaping and improving production efficiency.
Patent Information
- Application Number
- CN202410564132.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-11-18
AI Technical Summary
In existing thin-walled porcelain production processes, the body has low strength before air drying, making it prone to deformation, and requires multiple manual trimmings, resulting in low production efficiency.
The process employs a combination of support platform and positioning column with vacuum adsorption technology. The billet is fixed on the support platform through the positioning column and air extraction hole. Precise cutting is performed using a double-headed cutting tool. Combined with air blowing and dust extraction devices, the billet is stably fixed and efficiently shaped.
This improved the processing precision and production efficiency of the blanks, reduced the reliance on manual finishing, and enabled the precise forming of thin-walled porcelain.
Smart Images

Figure CN120962816A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of ceramics, in particular to a thin-walled production method and a thin-walled shaping machine. BACKGROUND
[0002] In the production of porcelain, clay is used to form a body by injection or rolling, and then the body is dried and hardened to shape, and then the body is fired in a kiln to form a final product. Before drying, the body has very low strength, and if the wall thickness is thin, the body is prone to deformation and collapse under the action of gravity. The existing thin-walled porcelain process is to make the wall thickness of the body thick so that the body has the strength to resist deformation, and then the wall thickness of the body is thinned after the body is dried and shaped. The thickness of the body at different positions is different, and it needs to go through multiple thinning processes. The body is often thinned by experienced craftsmen, which is limited and has low production efficiency. SUMMARY
[0003] The present application aims to overcome the above-mentioned shortcomings and provide a thin-walled production method and a thin-walled shaping machine that can be accurately shaped.
[0004] To achieve the above-mentioned purpose, the technical solution of the present application is as follows: a thin-walled production method, comprising the following steps: Making a body, the clay is made into a body, the body is dried and shaped, and the body at least includes an opening; Making a support, the top of the support is provided with a positioning column, the outer diameter of the positioning column matches the opening of the body, and the first air hole is provided on the positioning column; Fixing the body, placing the support on the turntable, the lower end of the first air hole of the support facing the second air hole of the turntable, the opening of the body being clamped on the positioning column and covering the upper end of the first air hole, the second air hole of the turntable sucking air, and the body being adsorbed on the support; Shaping, rotating the turntable to drive the support and the body to rotate together, the knife holder driving the cutter to approach the body, and cutting the outer periphery of the body; The cutter leaves the body, the turntable stops rotating, the second air hole stops sucking air, and the body is taken off from the support.
[0005] The positioning column of the support matches the shape of the opening of the body, the opening of the body is fixed on the positioning column, and the inside of the body is sucked to make the body adsorb tightly on the support. At the same time, there is a certain vacuum degree in the body, so that the body is tight. When the cutter cuts the body, the body is more stable in position and shape, and the precision of the processed body is high. According to different opening shapes of the body, corresponding supports or positioning columns are made, so that even if different shapes of the body are switched, only the support needs to be replaced.
[0006] Preferably, the cutter comprises a cutter handle, a first cutter head and a second cutter head, the first cutter head and the second cutter head are arranged at the lower part of the cutter handle, the first cutter head is arranged above the second cutter head, and the tip of the second cutter head is arranged downward; In the shaping step, the side part of the blank is cut by using the first cutter head, and the top part of the blank is cut by using the second cutter head.
[0007] The blank is inverted on the support platform with the opening downward, the top part of the inverted blank becomes the bottom of the conventional porcelain, which is an uncommon surface, and the process requirement is different from that of the side part of the blank. The cutter has the first cutter head and the second cutter head, the top part and the side part of the blank can be machined by the first cutter head and the second cutter head respectively by moving the position of the cutter, and the shaping speed is fast. One of the first cutter head or the second cutter head can be selected to be a copying cutter head, and the accurate trimming of the blank can be completed faster.
[0008] Preferably, the cutter holder comprises a first track, a first sliding seat and a second sliding seat, the first sliding seat is arranged on the first track and can move horizontally, the second sliding seat is arranged on the second sliding seat and can move vertically, a shaft rod is rotatably arranged on the second sliding seat, the cutter is arranged on the shaft rod, the lower part of the cutter is inclined forward, a baffle is rotatably hung on the shaft rod, the baffle extends downward and is arranged behind the cutter; In the shaping step, the air blowing device blows air toward the blank in front of the support platform, and the dust suction device sucks air below the baffle.
[0009] The dust cut by the cutter from the blank can be blown to the baffle by the air blowing device, the dust is guided to be enriched by the baffle and then is sucked away by the dust suction device, and the baffle can move with the cutter to accurately collect the dust.
[0010] Preferably, the support platform is provided with a core device, the core device comprises a core seat, an air bag, a sliding rod and a return spring, the air bag is arranged at the upper end of the core seat, the upper end of the sliding rod is connected with the core seat, the support platform is provided with a sleeve hole, the return spring is arranged in the sleeve hole, and the lower part of the sliding rod extends into the sleeve hole and abuts against the return spring; In the fixing blank step, the opening of the blank is clamped on the positioning column and covers the upper end of the first air suction hole and the core device.
[0011] When the air bag of the core device is vacuumized in the blank, the air bag can be naturally expanded or inflated to abut against the inner wall of the blank, so as to increase the strength of the blank, the cutter can process the blank with large cutting amount, and the processing efficiency is improved. Moreover, when the thin-walled blank is processed, the blank is not easy to be broken.
[0012] Preferably, an air inlet channel is arranged in the sliding rod and communicates with the air bag, In the fixing blank step, the second air suction hole of the rotating disc sucks air, the air inlet channel inflates the air bag after the blank is adsorbed on the support platform, so that the air bag is expanded to abut against the inner wall of the blank; after the shaping step is completed, the air inlet channel discharges air outward, so that the air bag is contracted.
[0013] The thin body shaping machine comprises a frame, a rotating disc, a supporting table, a tool holder and a tool. The rotating disc is rotatably arranged on the frame. The frame is provided with a surrounding plate surrounding the rotating disc at the outer periphery of the rotating disc. The supporting table is detachably arranged on the rotating disc. The tool holder comprises a first track, a first sliding seat and a second sliding seat. The first track is arranged on the frame. The first sliding seat is movably arranged on the first track. The first sliding seat is provided with a second track. One of the first track and the second track is a horizontal track and the other is a vertical track. The second sliding seat is movably arranged on the second track. The second sliding seat is rotatably provided with a shaft on the second sliding seat. The shaft is provided with a clamping hole. The tool is movably arranged through the clamping hole. The lower end of the tool faces the rotating disc.
[0014] Preferably, the tool comprises a tool handle and a tool head holder. The tool head holder is rotatably arranged at the lower end of the tool handle. The tool head holder comprises diverging first and second finger rods. The distal end of the first finger rod is provided with a first tool head. The distal end of the second finger rod is provided with a second tool head.
[0015] Preferably, the tool further comprises a baffle device. The baffle device comprises a baffle and two hanging rings. The two hanging rings are rotatably sleeved on the shaft. The two hanging rings are arranged on the two sides of the clamping hole respectively. The upper part of the baffle is connected with the two hanging rings simultaneously. The lower part of the baffle extends downward to the rear of the lower end of the tool. The baffle is a flexible sheet. The two sides of the baffle are bent and rolled into a loop shape and fixed on the back of the baffle. The bent and rolled shape of the two sides of the baffle is used to increase the strength of the baffle. The baffle is not easy to deform.
[0016] Preferably, the supporting table comprises a table plate and a plurality of positioning columns. The plurality of positioning columns are stacked together from bottom to top in the order of decreasing diameter.
[0017] Preferably, the supporting table further comprises a core device. The core device comprises a core seat, an air bag, a sliding rod and a return spring. The air bag is arranged at the upper end of the core seat. The upper end of the sliding rod is connected with the core seat. The supporting table is provided with a sleeve hole. The sleeve hole is provided with the return spring. The lower part of the sliding rod extends into the sleeve hole and abuts against the return spring.
[0018] By adopting the above technical scheme, the supporting table of the present application can tightly fix the blank and make the whole blank tight. The precision of the processed blank is high. The double tool heads of the tool can process different parts of the blank respectively, and the processing efficiency is high. According to different opening shapes of the blank, the corresponding supporting table or positioning column is made. Even if the blank of different shapes is switched, it can be processed only by replacing the supporting table. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The figure is a structural schematic diagram of the present application; Figure 2 The figure is a structural schematic diagram of the present application; Figure 3 The figure is a schematic diagram of the present application when processing the top of the blank; Figure 4 This is a schematic diagram of the side portion of the blank during processing according to the present invention; Figure 5 This is a schematic diagram of the structure of the support platform for fixing the blank according to the present invention.
[0020] Explanation of key figure labels: Frame 1; Enclosure 11; Support 2; Positioning pin 21; Sleeve hole 22; First air extraction hole 23; Tool holder 3; First track 31; First slide 32; Second slide 33; Shaft 34; Baffle 35; Tool 4; First cutter head 41; Second cutter head 42; Cutter head holder 43; Tool handle 44; Turntable 5; Second air extraction hole 51; Air blowing device 61; Dust suction device 62; Blank 7; Airbag 81; Core seat 82; Slide rod 83; Return spring 84. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0022] like Figures 1-5 As shown, the present invention provides a thin tire shaping machine, which includes a frame, a turntable, a support platform, a tool holder, a tool, a baffle device, and a core device.
[0023] The turntable 5 is rotatably mounted on the frame 1. The frame 1 has a surrounding plate 11 around the turntable 5, which is used to enclose the space for processing the blank. The turntable 5 is provided with a second air extraction hole, which is connected to a vacuum pumping device, which can extract air into the second air extraction hole.
[0024] like Figure 5 As shown, the support platform 2 includes a platform and several positioning posts 21. The positioning posts 21 are stacked together from bottom to top in descending order of diameter. The support platform is provided with a sleeve hole 22 and a first air extraction hole 23, both of which are located on the top surface of the uppermost positioning post. The core device is set on the support platform and includes a core seat 82, an air bladder 81, a slide rod 83, and a return spring 84. The air bladder 81 is located at the upper end of the core seat 82, and its outer surface has several outwardly protruding flaps. The upper end of the slide rod 83 is connected to the core seat 82, and the return spring 84 is located inside the sleeve hole 22. The lower part of the slide rod 83 extends into the sleeve hole and abuts against the return spring 84.
[0025] The support platform 2 is detachably mounted on the turntable 5. Rotation of the turntable 5 can drive the support platform 2 to rotate. The turntable is provided with an upwardly protruding post, and the upper end of the second air extraction hole is located at the top of the post. The bottom of the support platform is provided with an insertion hole at the lower end of the first air extraction hole. When the support platform 2 is placed on the turntable 5, the post is inserted into the insertion hole, and the first air extraction hole 23 communicates with the second air extraction hole 51.
[0026] like Figure 2As shown, the tool holder 3 includes a first track 31, a first slide 32, and a second slide 33. The first track 31 is mounted on the frame 1. The first slide 32 is movably mounted on the first track. The first slide 32 is mounted on the second track. The first track is a horizontal track, and the second track is a vertical track. The second slide 33 is movably mounted on the second track. The second slide 33 is rotatably mounted on the second track. The shaft 34 is provided with a clamping hole. The tool 4 can move through the clamping hole, and the lower end of the tool 4 faces the turntable.
[0027] like Figure 3 As shown, the cutting tool 4 includes a handle 44 and a head holder 43. The head holder 43 is rotatably mounted on the lower end of the handle 44. The head holder 43 includes a forked first finger and a second finger. The end of the first finger is provided with a first cutting head 41, and the end of the second finger is provided with a second cutting head 42. Both the first and second cutting heads are located on the lower part of the handle, with the first cutting head positioned in front of and above the second cutting head, and the tip of the second cutting head pointing downwards.
[0028] The baffle device includes a baffle 35 and two hanging rings. Both hanging rings can be rotatably sleeved on the shaft. The two hanging rings are respectively set on both sides of the clamping hole. The upper part of the baffle is connected to the two hanging rings at the same time. The lower part of the baffle extends downward to the rear of the lower end of the cutter. The baffle is a flexible sheet material. Both sides of the baffle are bent backward into a ring shape and then fixed to the back of the baffle.
[0029] Example 1: A method for producing thin-walled tires includes the following steps: Make the blank, shape the clay into a blank, let the blank dry and set, the blank 7 includes at least one opening.
[0030] A support platform is made. The top of the support platform 2 is provided with a positioning post 21. The outer diameter of the positioning post 21 matches the opening of the blank 7. The positioning post 21 is provided with a first air extraction hole 23.
[0031] Fixed blank, Place the tray on the turntable, with the lower end of the first air extraction hole of the tray facing the second air extraction hole of the turntable. The opening of the billet is secured to the positioning post, covering the upper end of the first air extraction hole and the core device. Air is extracted from the second air extraction hole on the turntable, adsorbing the billet onto the support platform. The air bladder of the core device expands naturally or is inflated, causing the air bladder to expand and press against the inner wall of the billet.
[0032] Shaping involves using the aforementioned thin-walled tire shaping machine to shape the blank; rotating the turntable causes the support platform and the blank to rotate together, and the tool holder moves the tool closer to the blank to cut its outer circumference; for example... Figure 4 As shown, the side of the blank is cut using the first cutting head, as... Figure 3As shown, the top of the blank is cut using the second cutter head. The air blowing device blows air toward the blank in front of the support, and the dust suction device sucks air below the baffle; the dust generated by cutting the blank is absorbed.
[0033] After the blank is processed, the cutter leaves the blank, the turntable stops rotating, the second air extraction hole stops air extraction, and the air bag contracts, so that the blank is removed from the support.
[0034] The above is only a preferred embodiment of the present application, and cannot limit the scope of the present application. Any changes and decorations made within the scope of the present application shall still fall within the scope of the present application.
Claims
1. A method for producing thin-walled tires, characterized in that, Includes the following steps: Make the blank by shaping the clay into a blank, let the blank dry and set, and the blank must include at least one opening; A support platform is made, and a positioning post is provided on the top of the support platform. The outer diameter of the positioning post matches the opening of the blank, and a first air extraction hole is provided on the positioning post. Fix the billet, place the support platform on the turntable, with the lower end of the first air extraction hole of the support platform facing the second air extraction hole of the turntable. Secure the opening of the billet to the positioning post and cover the upper end of the first air extraction hole. The second air extraction hole on the turntable extracts air, adsorbing the billet onto the support platform. In the shaping process, the turntable rotates, causing the support platform and the billet to rotate together. The tool holder moves the tool closer to the billet to cut the outer circumference of the billet. Once the cutting tool leaves the billet, the turntable stops rotating, the second air extraction hole stops extracting air, and the billet is removed from the support.
2. The method for producing a thin-walled tire according to claim 1, characterized in that, The cutting tool includes a handle, a first cutting head, and a second cutting head. Both the first and second cutting heads are located at the lower part of the handle, with the first cutting head positioned in front of and above the second cutting head, and the tip of the second cutting head facing downwards. In the shaping step, the first cutting head is used to cut the side of the blank, and the second cutting head is used to cut the top of the blank.
3. The method for producing a thin-walled tire according to claim 1, characterized in that, The tool holder includes a first track, a first slide, and a second slide. The first slide is movably mounted on the first track, and the second slide is movably mounted on the second slide. A shaft is rotatably mounted on the second slide, and the tool is mounted on the shaft. The lower part of the tool is tilted forward, and a baffle is rotatably suspended on the shaft. The baffle extends downward and is located behind the tool. During the shaping process, an air blowing device blows air towards the blank in front of the support platform, while a dust suction device sucks air from below the baffle.
4. The method for producing a thin-walled tire according to claim 1, characterized in that, The support platform is equipped with a core device, which includes a core seat, an air bladder, a slide rod, and a return spring. The air bladder is located at the upper end of the core seat, and the upper end of the slide rod is connected to the core seat. The support platform is equipped with a sleeve hole, and a return spring is installed inside the sleeve hole. The lower part of the slide rod extends into the sleeve hole and abuts against the return spring. In the step of fixing the blank, the opening of the blank is clamped onto the positioning post and covers the upper end of the first air extraction hole and the core device.
5. A method for producing a thin-walled tire according to claim 4, characterized in that, The slide bar has an air intake channel that connects to the airbag. During the step of fixing the billet, air is drawn out through the second air extraction hole on the turntable. After the billet is adsorbed onto the support, the air inlet channel inflates the air bladder, causing the air bladder to expand and press against the inner wall of the billet. After the shaping process is completed, the air intake channel exhausts air outward, causing the airbag to contract.
6. A thin-walled tire shaping machine, characterized in that, The system includes a frame, a turntable, a support, a tool holder, and a cutting tool. The turntable is rotatably mounted on the frame, and the frame has a surrounding plate around the turntable. The support is detachably mounted on the turntable. The tool holder includes a first track, a first slide, and a second slide. The first track is mounted on the frame, and the first slide is movably mounted on the first track. The first slide has a second track, with one track being horizontal and the other vertical between the first and second tracks. The second slide is movably mounted on the second track and has a rotatable shaft with a clamping hole. The cutting tool can move through the clamping hole, and the lower end of the cutting tool faces the turntable.
7. A thin-walled tire shaping machine according to claim 6, characterized in that, The cutting tool includes a handle and a headstock. The headstock is rotatably located at the lower end of the handle. The headstock includes a forked first finger and a second finger. The first finger has a first cutting head at its end, and the second finger has a second cutting head at its end.
8. A thin-walled tire shaping machine according to claim 6, characterized in that, It also includes a baffle device, which includes a baffle and two hanging rings. Both hanging rings can be rotatably sleeved on the shaft. The two hanging rings are respectively set on both sides of the clamping hole. The upper part of the baffle is connected to the two hanging rings at the same time. The lower part of the baffle extends downward to the rear of the lower end of the cutter. The baffle is a flexible sheet material. Both sides of the baffle are bent backward into a ring shape and then fixed to the back of the baffle.
9. A thin-walled tire shaping machine according to claim 6, characterized in that, The support platform consists of a platform and several positioning posts, which are stacked together from bottom to top in descending order of diameter.
10. A thin-walled tire shaping machine according to claim 6, characterized in that, It also includes a core device, which includes a core base, an air bladder, a slide rod, and a return spring. The air bladder is located at the upper end of the core base, the upper end of the slide rod is connected to the core base, a sleeve hole is provided on the support platform, a return spring is provided in the sleeve hole, and the lower part of the slide rod extends into the sleeve hole and abuts against the return spring.