Automatic porcelain and gold turning machine for dental dentures

By designing a multi-directional displacement dental automatic car porcelain car metal machine, the inefficiency and low accuracy problems caused by manual operation in the existing technology are solved, automated processing and real-time detection are realized, and processing efficiency and quality are improved.

CN114131057BActive Publication Date: 2024-12-31XIAN XINQIANJIN DENTAL CO LTD
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Patent Information

Application Number
CN202111677642.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-31
Publication Date
2024-12-31
Estimated Expiration
2041-12-31

AI Technical Summary

Technical Problem

During the existing denture processing, the car gold car porcelain process relies on manual operation, resulting in low detection rate and processing efficiency, and difficulty in meeting the requirements of accuracy and quality.

Method used

A dental denture automatic car porcelain car gold machine was designed, using support units and working parts assembly, and multi-directional displacement was achieved through the transverse main rail, main slide, transverse secondary rail and fixture sleeve, combining the traction frame assembly and the soft pad block , realize automated cutting and real-time inspection to ensure machining accuracy and quality.

Benefits of technology

It realizes automated car porcelain and metal processes, saves manpower, improves detection efficiency and processing accuracy, and ensures high-quality product output.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an automatic dental denture porcelain turning and gold turning machine, which belongs to the technical field of denture processing equipment. The automatic dental denture porcelain turning and gold turning machine comprises a support unit, a working component assembly and a frame base, wherein the support unit is fixed on the frame base through a column, the working component assembly moves on the support unit through a main slide, the transverse auxiliary guide rail of the working component assembly rotates around the main slide through a hole-shaped structure, the fixture sleeve moves through the slide rail on the transverse auxiliary guide rail, the working component fixture rotates through the mounting through hole provided on the fixture sleeve, and the two sides of the working component fixture with an included angle of 90 degrees are respectively provided with a tool and a detection head, a slotted slide rail is provided on the frame base, and the retaining slide moves through the slotted slide rail. The tool in the device can realize multi-angle cutting of the denture, the detection head can realize real-time detection, and the frame base can realize clamping and fixing of the workpiece, with a high degree of automation and strong stability, and can ensure the accuracy and quality of denture processing.
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Description

Technical Field

[0001] The invention belongs to the technical field of denture processing equipment, and specifically relates to an automatic porcelain and gold turning machine for dental and denture processing, and particularly relates to an automatic porcelain and gold turning machine for dental dentures. Background Art

[0002] In the existing denture processing, the gold and porcelain turning processes are mostly completed manually. Most of the existing similar machines can only achieve simple, single-direction automatic processing, and manual leveling or manual reversing clamping is required after the processing is completed. The porcelain and gold turning work is achieved by rotating cutting with a single tool. Due to the application of manual positioning and correction, the positioning is inaccurate and the timeliness is poor during the work process. The detection and analysis of errors mostly rely on manual observation and trial wearing, and a large amount of manpower is used, which greatly reduces the detection and processing efficiency. At the same time, it is difficult to meet the requirements of accuracy and quality. Summary of the invention

[0003] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the present invention is to provide an automatic porcelain and gold turning machine for dental dentures to solve the problems of low manual inspection rate and processing efficiency, and difficulty in achieving required precision and quality in the processes of denture gold and porcelain turning.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] The invention discloses a dental denture automatic porcelain and gold lathing machine, comprising a supporting unit, a working component assembly and a frame base;

[0006] The support unit includes a top frame, a column and a transverse main rail. The top frame is fixed on the top of the column. The column is fixed on both sides of the top of the rack base. The column is provided with a guide rail. Both ends of the transverse main rail are nested on the column and can slide on the column through the guide rail.

[0007] The working component assembly includes a main slide, a transverse auxiliary guide rail, a fixture sleeve and a workpiece fixture. The main slide can slide on the transverse main guide rail. A hole-shaped structure is provided on the top of the transverse auxiliary guide rail. The transverse auxiliary guide rail can rotate around the main slide through the hole-shaped structure. A slide rail is provided at the bottom of the transverse auxiliary guide rail. The fixture sleeve can move through the slide rail. A mounting through hole is provided on the side of the fixture sleeve. A columnar mounting column connected with the mounting through hole is provided on the side of the workpiece fixture. A tool and a detection head are respectively provided on the two side surfaces of the workpiece fixture that are at an angle of 90 degrees to the surface where the columnar mounting column is located.

[0008] Two symmetrical openings on the top of the rack base are provided with slotted slide rails, and the two openings are respectively embedded with retaining slides, and the retaining slides can slide through the slotted slide rails.

[0009] Preferably, the support unit further comprises a traction frame assembly, which is composed of a traction frame slider and a retractable traction belt. The traction frame slider slides on the top frame, and the traction frame slider and the hole-shaped structure are connected by the retractable traction belt.

[0010] Preferably, both sides of the mounting through hole in the horizontal direction are further provided with cuboid-shaped clamp sleeve limiting protrusions, and an end locking cap is further provided at one end of the columnar mounting column away from the workpiece clamp.

[0011] Further preferably, a rectangular limiting pin is also provided on the side surface of the columnar mounting column.

[0012] Preferably, a loading and unloading opening and a detachable baffle are also provided on the side of the transverse auxiliary guide rail.

[0013] Preferably, a cushion block opening is further provided at the center of the top of the rack base, a soft cushion block is installed in the cushion block opening, and a soft pressing block is further connected to the retaining slide in the direction toward the center of the rack base.

[0014] Preferably, the rack base is also provided with a guide hole, a guide rod and a fastening nut, the guide hole is arranged in the middle of the rack base, the guide rod passes through the guide hole, the retaining slide slides on the slotted slide rail of the rack base through the guide rod, and is retained by the fastening nut.

[0015] Preferably, a rotating base connector is also provided at the bottom center of the frame base; a rotating base is also provided under the frame base, and a protruding structure and a bearing seat are provided on the rotating base, and a bearing is installed on the bearing seat, and the bearing is sleeved on the protruding structure and cooperates with the rotating base connector of the frame base.

[0016] Further preferably, cylindrical supporting feet are provided around the bottom of the rack base, lightweight slots are provided on both sides, and square supporting feet are provided in the direction of the lightweight slots away from the center of the rack base.

[0017] Further preferably, a rack pad is provided under the rack base, and the rack pad is arranged on the upper part of the rotating base, and is provided with slots and openings corresponding to the cylindrical supporting feet.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention provides a dental denture automatic porcelain turning and gold turning machine, in which the main transverse guide rail moves in the Z-axis direction on the column through the guide rail translation, the main slide drives the entire working component assembly to move in the Y-axis direction by sliding on the main transverse guide rail, the secondary transverse guide rail rotates around the main slide through the hole-shaped structure, and drives the working component assembly to move in the B-axis direction, the fixture sleeve moves in the X-axis direction through the slide rail, and the fixture sleeve rotates along the A-axis direction in conjunction with the working component fixture, so that the tool can achieve multi-angle cutting, the detection head can achieve real-time detection, and the equipment can achieve multi-directional displacement. A special mounting through hole is used for the installation of the working component fixture, and the designed circular hole structure facilitates the rotational movement of the working component fixture, plays a role in auxiliary support and friction reduction. The slotted slide rail set on the frame base can move the retaining slide, and the retaining slide can clamp and fix the workpiece. The entire device can realize the automatic porcelain turning and gold turning process, can save manpower, is easy to detect, and achieves multi-angle cutting. It has the characteristics of high automation, strong stability, real-time monitoring, and high quality.

[0020] Furthermore, the traction frame assembly is elastically connected to the working component assembly, which can ensure that the working component assembly is pulled when moving on the transverse main rail, thereby ensuring the stability of the movement and reducing the influence of gravity on the accuracy of each movement.

[0021] Furthermore, a special fixture sleeve limiting protrusion is used to limit the workpiece fixture within the rotation angle range of the cutting tool and the two working positions of the detection head, thereby limiting the rotation angle of the tool and the detection head, avoiding collision with the frame, and reducing processing risks.

[0022] Furthermore, a special end locking cap is used to prevent the workpiece fixture from moving in the X-axis direction, thereby reducing processing risks.

[0023] Furthermore, a special rectangular limiting pin is used, which can be used to cooperate with the limiting protrusion of the fixture sleeve to limit and fix the maximum working position, limit the rotation angle of the tool and the detection head, and avoid collision with the frame.

[0024] Furthermore, a special loading and unloading opening and a detachable baffle are used to achieve the positioning and limiting of the clamp sleeve, which is convenient for overall disassembly.

[0025] Furthermore, the provision of the soft pressing block and the soft pad can ensure that when the workpiece is clamped, no excessive indentations or scratches are generated on the porcelain or metal surface, thereby ensuring the quality of the outer surface of the workpiece.

[0026] Furthermore, a special guide rod is used to install the fastening nut and to position and fix the retaining slide, thereby clamping the workpiece and preventing the workpiece from slipping during the processing.

[0027] Furthermore, the rotating base connector cooperates with the bearing to realize stable rotation of the frame base, which is convenient for observing the working process while not affecting the normal progress of the processing, so that slight manual rotation observation during processing will not affect the processing process.

[0028] Furthermore, the cylindrical support feet arranged around the bottom can be used to support the machine body and balance the overall weight.

[0029] Furthermore, special frame pads are used to facilitate the retention of the entire machine during installation, making the entire machine easy to disassemble and assemble; at the same time, the various components of the frame are retained, and the large disc-shaped design evens out the gravity distribution, so that shifting, etc. will not occur during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is an isometric view of the automatic porcelain and gold turning machine for dental dentures of the present invention;

[0031] Figure 2 It is a front view of the automatic porcelain and gold turning machine for dental dentures of the present invention;

[0032] Figure 3 A side view of the automatic porcelain and gold turning machine for dental dentures of the present invention;

[0033] Figure 4 A top view of the automatic porcelain and gold turning machine for dental dentures of the present invention;

[0034] Figure 5 It is a schematic diagram of the working parts assembly of the dental denture automatic porcelain and gold lathing machine of the present invention;

[0035] Figure 6 It is an oblique top view of the frame base of the dental denture automatic porcelain and gold turning machine of the present invention;

[0036] Figure 7 It is an oblique bottom view of the frame base of the dental denture automatic porcelain and gold lathe of the present invention;

[0037] Figure 8 It is a schematic diagram of the rotating base of the automatic porcelain and gold turning machine for dental dentures of the present invention.

[0038] Among them: 1-top frame; 2-traction frame assembly; 201-traction frame slider; 202-retractable traction belt; 3-column; 4-transverse main guide rail; 5-working part assembly; 501-main slide; 502-transverse secondary guide rail; 5021-hole structure; 5022-T-shaped concave slide rail; 5023-loading and unloading opening; 503-removable baffle; 504-clamp sleeve; 5041-T-shaped protrusion; 5042-mounting through hole; 5043-clamp sleeve limiting protrusion; 505-working part fixture; 5051-columnar mounting column; 5052-end locking cap; 5053-rectangular limiting nail; 506-inspection Probe fixture; 507-tool fixture; 508-tool; 509-detection head; 6-soft pad; 7-soft pressure block; 8-retaining slide; 9-fastening nut; 10-guide rod; 11-frame base; 1101-column assembly hole; 1102-pad opening; 1103-slotted slide rail; 1104-cylindrical support foot; 1105-lightweight slot; 1106-square support foot; 1107-rotating base connector; 1108-guide hole; 12-frame pad; 13-rotating base; 1301-raised structure; 1302-bearing seat; 1303-bearing; 1304-anti-slip pad. DETAILED DESCRIPTION

[0039] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0040] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0041] The following is combined with Figure 1-8 The present invention is described in further detail:

[0042] The X-axis direction is the direction in which the T-shaped protrusion 5041 on the top of the fixture sleeve 504 cooperates with the concave slide rail 5022 at the bottom of the transverse auxiliary guide rail 502 to move;

[0043] The Y-axis direction is the direction in which the main slide 501 slides on the transverse main guide rail 4;

[0044] The Z-axis direction is the direction in which the column 3 moves in coordination with the transverse main guide rail 4;

[0045] The A-axis direction is the direction in which the fixture sleeve 504 rotates in coordination with the workpiece fixture 505;

[0046] The B-axis direction is the direction in which the main slide 501 drives the transverse secondary guide rail 502 to rotate around the main slide 501 through the hole structure 5021 .

[0047] The present invention provides a dental denture automatic porcelain and gold turning machine, such as Figure 1-4 , including a support unit, a working component assembly 5 and a base unit. The support unit is composed of a top frame 1, a traction frame assembly 2, a column 3 and a transverse main guide rail 4. The two ends of the top frame 1 are respectively connected to the tops of the two columns 3. The columns 3 are provided with guide rails. The two ends of the transverse main guide rail 4 are nested on the two columns 3 and move in the Z-axis direction through the translation of the guide rails. The traction frame assembly 2 is composed of a traction frame slider 201 and a retractable traction belt 202. The traction frame slider 201 slides on the top frame 1. Figure 5The working component assembly 5 moving on the transverse main guide rail 4 includes a main slide 501, a transverse secondary guide rail 502, a fixture sleeve 504, a working component fixture 505, a tool 508 and a detection head 509. The main slide 501 drives the entire working component assembly 5 to move in the Y-axis direction by sliding on the transverse main guide rail 4. The traction frame slider 201 is connected to the hole structure 5021 through a retractable traction belt 202; a hole structure 5021 is provided on the top of the transverse secondary guide rail 502. The transverse secondary guide rail 502 rotates around the main slide 501 through the hole structure 5021 to drive the B-axis movement of the working component assembly 5. The rotation angle is -30° to 30°; the transverse secondary guide rail 502 The T-shaped recessed slide rail 5022 provided at the lower part is connected with the T-shaped protrusion 5041 at the top of the clamp sleeve 504 through the T-shaped recessed slide rail 5022. A plurality of motors are provided in the whole device to respectively control the movement of each guide rail. Driven by the motor, the clamp sleeve 504 can realize the movement in the X-axis direction through the T-shaped recessed slide rail 5022. The side of the transverse auxiliary guide rail 502 is provided with a loading and unloading opening 5023 and a removable baffle 503 to facilitate the installation and limiting of the clamp sleeve 504. A mounting through hole 5042 is provided at the center of the lower part of the clamp sleeve 504 to facilitate the installation and rotational movement of the workpiece clamp 505. Two rectangular clamp sleeve limiting protrusions 5043 for limiting the workpiece clamp 505 are provided on both sides of the mounting through hole 5042. The size of the clamp sleeve limiting protrusion 5043 is 8×4×4mm, and the axis is offset from the central axis by 2mm. The angle between the two clamp sleeve limiting protrusions 5043 is 135°, and they are magnetic and are used to fix the workpiece clamp 505 at two working positions. The workpiece fixture 505 is connected to the mounting through hole 5042 of the fixture sleeve 504 through the columnar mounting column 5051 on the side, which is used for installation and positioning of the workpiece fixture 505, so that the fixture sleeve 504 cooperates with the workpiece fixture 505 to rotate along the A-axis direction; an end locking cap 5052 is provided at one end of the columnar mounting column 5051 away from the workpiece fixture 505, which is used to prevent the workpiece fixture 505 from moving in the X-axis direction. A rectangular limit pin 5053 is provided on the side of the column. The size of the rectangular limit pin 5053 is 8×4×4mm and it is magnetic. It is used to cooperate with the limit protrusion 5043 of the fixture sleeve to limit and fix the maximum working position; the workpiece fixture 505 is respectively provided with a tool fixture 507 and a detection head fixture 506 on two sides with an angle of 90 degrees. The detection head fixture 506 is connected to the detection head 509, and the tool fixture 507 faces the bottom of the equipment and is connected to a tool 508. A rotary motor is provided inside the workpiece fixture 505, and the tool fixture 507 cooperates with the rotary motor to drive the tool 508 to rotate to achieve the cutting purpose.

[0048] like Figure 6-8The base unit includes a frame base 11, a soft pad 6, a retaining slide 8, a frame pad 12 and a rotating base 13. The frame pad 12 is arranged under the frame base 11, and the rotating base 13 is arranged under the frame pad 12. Column assembly holes 1101 for retention are provided on both sides of the top of the frame base 11, and the two columns 3 are connected to the frame base 11 through the two column assembly holes 1101 respectively; a pad opening 1102 is provided at the center of the top of the frame base 11 for installing the soft pad 6; slotted slide rails 1103 are provided at two symmetrical openings at the top of the frame base 11, which are used as slide rails for the retention slide 8, and the two openings are respectively nested with retention slides 8 with three ends opening, and the retention slide 8 slides on the slotted slide rails 1103; the retention slide 8 is connected to the soft pressing block 7 in the direction toward the center of the frame base 11, and the soft pressing block 7 and the soft pad 6 can ensure that the porcelain or metal surface will not produce too many indentations or scratches while clamping the workpiece, thereby ensuring the quality of the outer surface of the workpiece. A guide hole 1108 is opened in the middle of the frame base 11, and the guide rod 10 passes through the guide hole 1108. The guide rod 10 is cylindrical as a whole, with a length of 480mm and a diameter of 16mm. Both ends have threads with a length of 120mm that cooperate with the fastening nuts 9. The fastening nuts 9 fix the two ends of the retaining slide 8 on the guide rod 10; the retaining slide 8 is supported and guided by the guide rod 10 and cooperates with the positioning function of the four fastening nuts 9 to slide and be fixed on the slotted slide rail 1103 of the frame base 11, thereby realizing the clamping and fixing of the workpiece on both sides of the frame to prevent the workpiece from slipping during the processing. A rotating base connector 1107 with a circular ring structure is provided at the center of the bottom of the frame base 11. The rotating base connector 1107 passes through the middle hole of the frame pad 12 and is connected to the rotating base 13. Four cylindrical support feet 1104 are provided around the bottom of the frame base 11, and lightweight slots 1105 are provided on both sides. The lightweight slots 1105 are respectively provided with square support feet 1106 in the direction away from the center of the frame base 11, which are used to support the machine body and balance the overall weight. The frame pad 12 can fix the various components of the frame. It is provided with slots and holes corresponding to the cylindrical support feet 1104, which averages the distribution of gravity, so that there will be no displacement during the working process, which is convenient for fixing the whole machine during installation and making the whole machine easy to disassemble and assemble. A special protruding structure 1301 and a bearing seat 1302 are provided on the rotating base 13. A bearing 1303 is installed on the bearing seat 1302. The bearing 1303 is sleeved on the protruding structure 1301, and its inner ring is tightly matched with the protruding structure 1301. The bearing 1303 cooperates with the rotating base connector 1107 of the frame base 11, so that the rotating base connector 1107 can rotate stably on the rotating base, which is convenient for observing the work and does not affect the normal processing; four anti-slip pads 1304 are provided at the bottom of the rotating base 13, which can prevent the entire frame from slipping and enhance the stability of the entire equipment.

[0049] The method for using the automatic porcelain and gold turning machine for dental dentures provided by the present invention is as follows:

[0050] In order to ensure the retention of a single denture, a special auxiliary clamp may be needed. The bridge denture or single zirconia or metal denture that needs to be processed and matched with the auxiliary clamp is placed in the soft pad 6 with the processing surface facing upward. The four fastening nuts 9 on both sides are rotated so that the two retaining slides 8 can use the guiding and supporting function of the guide rod 10 to move to the appropriate position between the slotted slide rails 1103 on the frame base 11, thereby driving the soft pressing block 7 to fix the denture. This process can be automatically completed through electrical control.

[0051] The limited rotation of the workpiece fixture 505 is controlled by the motor and control system, the detection head 509 is used to scan and analyze the workpiece, the design model is compared, and the tool path is customized. The motor and control system are used to control the transverse auxiliary guide 502 to cooperate with the fixture sleeve 504 to translate and move in the X-axis direction, the transverse main guide 4 cooperates with the working part assembly 5 to translate and move in the Y-axis direction, the column 3 cooperates with the transverse main guide 4 to translate and move in the Z-axis direction, the fixture sleeve 504 cooperates with the workpiece fixture 505 to rotate and move in the A-axis direction, the main slide 501 cooperates with the transverse auxiliary guide 502 to rotate and move in the B-axis direction. In combination with the tool path design, the overall structure realizes the omni-directional movement of the tool 508 and realizes multi-directional cutting processing. During the processing, the frame base 11 can be rotated to observe the processing process without affecting the processing process.

[0052] The above contents are only for explaining the technical idea of ​​the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the claims of the present invention.

Claims

1. A dental denture automatic porcelain and gold turning machine, characterized in that: It comprises a support unit, a working component assembly (5) and a frame base (11); The support unit comprises a top frame (1), a column (3) and a transverse main guide rail (4), the top frame (1) is fixed to the top of the column (3), the column (3) is fixed to both sides of the top of the frame base (11), the column (3) is provided with a guide rail, and both ends of the transverse main guide rail (4) are nested in the column (3) and can slide on the column (3) through the guide rail; The working component assembly (5) comprises a main slide (501), a transverse auxiliary guide rail (502), a fixture sleeve (504) and a working piece fixture (505); the main slide (501) can slide on the transverse main guide rail (4); a hole-shaped structure (5021) is arranged on the top of the transverse auxiliary guide rail (502); the transverse auxiliary guide rail (502) can rotate around the main slide (501) through the hole-shaped structure (5021); a slide rail is arranged on the bottom of the transverse auxiliary guide rail (502); the fixture sleeve (504) can move through the slide rail; a mounting through hole (5042) is arranged on the side of the fixture sleeve (504); a columnar mounting column (5051) matched with the mounting through hole (5042) is arranged on the side of the working piece fixture (505); a tool (508) and a detection head (509) are respectively arranged on two side surfaces of the working piece fixture (505) which are at an angle of 90 degrees to the surface where the columnar mounting column (5051) is located; Two symmetrical openings at the top of the frame base (11) are provided with slotted slide rails (1103), and the two openings are respectively embedded with retaining slides (8), and the retaining slides (8) can slide through the slotted slide rails (1103). A cushion block opening (1102) is also provided at the center of the top of the frame base (11), and a soft cushion block (6) is installed in the cushion block opening (1102). The retaining slide (8) is also connected to a soft pressure block (7) in the direction toward the center of the frame base (11); the frame base (11) is also provided with a guide hole (1108), a guide rod (10) and a fastening nut (9), and the guide hole (1108) is set in the middle of the frame base (11), and the guide rod (10) is set in the middle of the frame base (11). 0) passes through the guide hole (1108), the retaining slide (8) slides on the slotted slide rail (1103) of the frame base (11) through the guide rod (10), and is fixed by the fastening nut (9); a rotating base connector (1107) is also provided at the bottom center of the frame base (11); a rotating base (13) is also provided under the frame base (11), and a protruding structure (1301) and a bearing seat (1302) are provided on the rotating base (13), and a bearing (1303) is installed on the bearing seat (1302), and the bearing (1303) is sleeved on the protruding structure (1301) and matched with the rotating base connector (1107) of the frame base (11).

2. The automatic dental denture turning machine as claimed in claim 1, characterized in that: The support unit further comprises a traction frame assembly (2), the traction frame assembly (2) comprising a traction frame slider (201) and a retractable traction belt (202), the traction frame slider (201) slides on the top frame (1), and the traction frame slider (201) and the hole-shaped structure (5021) are connected via the retractable traction belt (202).

3. The automatic dental denture turning machine as claimed in claim 1, characterized in that: Rectangular clamp sleeve limiting protrusions (5043) are also provided on both sides of the installation through hole (5042) in the horizontal direction, and an end locking cap (5052) is also provided on the end of the columnar installation column (5051) away from the workpiece clamp (505).

4. The automatic dental denture turning machine as claimed in claim 3, characterized in that: A rectangular limiting pin (5053) is also provided on the side of the column body of the columnar mounting column (5051).

5. The automatic dental denture turning machine as claimed in claim 1, characterized in that: A loading and unloading opening (5023) and a detachable baffle (503) are also provided on the side of the transverse auxiliary guide rail (502).

6. The automatic dental denture turning machine as claimed in claim 1, characterized in that: The bottom of the rack base (11) is also provided with cylindrical support feet (1104) around the periphery, and lightweight slots (1105) are provided on both sides. The lightweight slots (1105) are respectively provided with square support feet (1106) in the direction away from the center of the rack base (11).

7. The automatic dental denture turning machine as claimed in claim 6, characterized in that: A frame pad (12) is also provided below the frame base (11). The frame pad (12) is provided on the upper part of the rotating base (13) and is provided with slots and openings corresponding to the cylindrical support feet (1104).