CN217993492U - Automatic vacuum dental film pressing machine - Google Patents

Abstract

The application discloses an automatic vacuum dental film pressing machine which comprises an upper shell, a lower shell, a clamping mechanism and a control unit, wherein the upper shell comprises a heating mechanism; the lower shell is provided with a lifting mechanism and a rotating mechanism, the rotating mechanism is connected with the heating mechanism, one end of the lower shell, which is close to the upper shell, is provided with a working tray, and the lower shell is provided with a vacuum motor communicated with the working tray; the clamping mechanism is provided with a clamping area and is connected with the lifting mechanism; the control unit is connected with the lifting mechanism, the rotating mechanism and the vacuum motor. The automatic control system can further improve the automation capacity, improve the working efficiency and simultaneously avoid the scalding in the working process.

Description

Automatic vacuum dental film pressing machine

Technical Field

The utility model relates to a film pressing machine field especially relates to an automatic vacuum dentistry film pressing machine.

Background

Dental film presses are devices for making dental films, which are commonly used in the process of tooth shaping. Most of the existing dental film pressing machines are operated manually, a dental diaphragm needs to be placed and compressed manually, then the dental diaphragm is heated by a heating pipe, the heating process is observed by naked eyes, the dental diaphragm is pressed down manually after being softened to a certain degree, then the dental diaphragm is subjected to vacuum treatment by a vacuum pump, and the dental diaphragm is taken down after being cooled and formed.

Through manual operation, the operation process is tedious, and also often accompanies the accident of scald and takes place, and efficiency is also not high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic vacuum dental film pressing machine can further improve automatic ability, improves work efficiency, also avoids appearing the condition of scalding in the course of the work simultaneously.

In order to achieve the purpose, the utility model provides an automatic vacuum dental film pressing machine, which comprises an upper shell, a lower shell, a clamping mechanism and a control unit, wherein the upper shell comprises a heating mechanism; the lower shell is provided with a lifting mechanism and a rotating mechanism, the rotating mechanism is connected with the heating mechanism, one end of the lower shell, which is close to the upper shell, is provided with a working tray, and the lower shell is provided with a vacuum motor communicated with the working tray; the clamping mechanism is provided with a clamping area and is connected with the lifting mechanism; the control unit is connected with the lifting mechanism, the rotating mechanism and the vacuum motor.

Furthermore, the heating mechanism comprises a heating pipe and a temperature measuring part, the heating pipe and the temperature measuring part are both connected with the control unit, and the control unit controls the temperature of the heating pipe through the feedback of the temperature measuring part.

Further, rotary mechanism includes rotating electrical machines, first locating part, rotation axis, and the rotation axis sets up in casing rear down, and the rotation axis upper end is connected with last casing through the hole on the casing down, and the rotation axis lower extreme is connected with rotating electrical machines, and first locating part is installed at the rotation axis, and rotating electrical machines is connected with the control unit, and control rotating electrical machines is just reversing for go up the inside heating device realization reciprocating rotation of casing.

Further, first locating part is equipped with the arc spacing groove including connecting at the spacing piece of rotation axis, arranging spacing post and the first limit switch of casing down in, on the spacing piece, and arc spacing groove is arranged in to spacing post one end, and spacing piece rotates so that spacing post and arc spacing groove both ends looks butt along with the rotation axis, and first limit switch detects spacing piece, and first limit switch is connected with the control unit.

Further, fixture includes last preforming and lower holding strip of connecting through magnetism, goes up the preforming and all is equipped with magnetism around the holding strip and inhales the mounting groove down, and magnetism is inhaled the piece and is arranged in magnetism and inhale the mounting groove.

Furthermore, the lifting mechanism comprises a lifting motor, a second limiting part and a lifting rod, the lifting rod is arranged at the rear of the lower shell, the upper end of the lifting rod is connected with the upper pressing piece and the lower pressing piece through a hole in the lower shell, the lower end of the lifting rod is connected with the lifting motor, the second limiting part is installed on the lifting rod, and the lifting motor is driven to rotate forwards and backwards through the control unit, so that the lifting rod can reciprocate.

Furthermore, the upper end of the lifting rod is provided with a connecting piece, the bottom of the connecting piece is provided with a magnetic attraction piece, and the magnetic attraction piece is connected with the upper pressing piece and the lower pressing piece in a magnetic attraction manner.

Furthermore, the second limiting part comprises an upper limiting stopper and a lower limiting stopper which are arranged on the lower shell, and a limiting stopper which is arranged on the lifting rod, wherein second limiting switches are arranged at the lower end of the upper limiting stopper and the upper end of the lower limiting stopper, the second limiting switches are connected with the control unit, and the limiting stopper moves up and down along with the lifting rod and is respectively abutted against the upper limiting stopper and the lower limiting stopper.

Furthermore, the upper end of the working tray is provided with an installation boss, the bottom of the lower pressing sheet is provided with an installation groove for the installation boss to insert, and the clamping mechanism is movably installed on the installation boss.

Furthermore, a plurality of uniformly distributed air holes are formed in the bottom of the working tray and communicated with the vacuum motor.

The beneficial effects of the utility model reside in that: the lifting mechanism, the rotating mechanism, the heating mechanism and the vacuum motor are respectively controlled by the control unit to carry out corresponding processes, so that the dental diaphragm is heated and shaped in vacuum, the automatic production capacity is improved, the operation is convenient, and the production efficiency is further improved. In addition, a rotating mechanism and a lifting mechanism are arranged, the rotating mechanism enables the heating mechanism to rotate in a reciprocating mode between a working area and a non-working area, and therefore the situation that scalding occurs when the dental film is placed and taken manually is avoided.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of the rotating mechanism before rotation in an embodiment of the present invention;

figure 3 is a cross-sectional view of the rotary mechanism of the embodiment of figure 2 after rotation;

FIG. 4 is a schematic view of a first position limiting member in the embodiment shown in FIG. 2;

FIG. 5 is a sectional view showing the ascending state of the elevating mechanism in the embodiment shown in FIG. 2;

fig. 6 is a sectional view showing a descending state of the elevating mechanism in the embodiment shown in fig. 2.

Wherein: 10. an upper housing; 11. a heating mechanism; 111. heating a tube; 112. a temperature measuring part; 12. a lower housing; 13. a lifting mechanism; 131. a lifting motor; 132. a second limiting member; 1321. an upper limit stopper; 1322. a lower limit stopper; 1323. a limiting block; 1324. a second limit switch; 133. a lifting rod; 1331. a connecting member; 1332. a magnetic attraction sheet; 14. a rotation mechanism; 141. a rotating electric machine; 142. a first limit piece; 1421. a limiting sheet; 1422. a limiting column; 1423. a first limit switch; 1424. an arc-shaped limiting groove; 143. a rotating shaft; 15. a working tray; 151. mounting a boss; 152. air holes; 16. a vacuum motor; 17. a clamping mechanism; 171. pressing the mixture into tablets; 172. pressing the mixture downwards; 1721. installing a groove; 173. a magnetic suction installation groove; 174. a clamping area; 18. a control unit.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top", "bottom", "inner", "outer", "upper", "lower", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the terms "one embodiment," "an embodiment," "a preferred implementation," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, as shown in fig. 1 to 6, an automatic vacuum dental film pressing machine is provided, which comprises an upper shell 10, a lower shell 12, a clamping mechanism 17 and a control unit 18, wherein the upper shell 10 comprises a heating mechanism 11; the lower shell 12 is provided with a lifting mechanism 13 and a rotating mechanism 14, the rotating mechanism 14 is connected with the heating mechanism 11, one end of the lower shell 12 close to the upper shell 10 is provided with a working tray 15, and the lower shell 12 is provided with a vacuum motor 16 communicated with the working tray 15; the clamping mechanism 17 is provided with a clamping area 174, and the clamping mechanism 17 is connected with the lifting mechanism 13; the control unit 18 is connected to the lifting mechanism 13, the rotating mechanism 14, and the vacuum motor 16.

In the working process, as shown in fig. 1, 2 and 3, firstly, the dental film is placed in the clamping area 174 of the clamping mechanism 17, when the dental model is placed on the working tray 15, the control unit 18 controls the lifting mechanism 13 to ascend to a certain height from the upper shell 10, the control unit 18 controls the lifting mechanism 13 to stop ascending, the clamping mechanism 17 is connected with the lifting mechanism 13, the control unit 18 controls the rotating mechanism 14 to rotate the heating mechanism 11 to the position right above the working tray 15, so that the dental film clamped by the clamping mechanism 17 is positioned right below the heating mechanism 11, then the control unit 18 controls the heating mechanism 11 to heat the dental film, when the dental film is softened to a corresponding degree, the rotating mechanism 14 is controlled to rotate the heating mechanism 11 to a certain angle, so that the heating mechanism 11 is far away from the working tray 15, the lifting mechanism 13 drives the clamping mechanism 17 to move downwards, so that the clamping mechanism 17 descends to the working tray 15, at this time, the control unit 18 controls the lifting mechanism 13 to stop descending, and controls the vacuum motor 16 to start working, so that the dental film in the clamping mechanism 17 moves upwards, and the vacuum mechanism 17 stops moving, so that the vacuum mechanism 17 and the vacuum mechanism 17 stops separating the vacuum mechanism 17, and the vacuum mechanism 16 completely separates the dental model from the working tray 15, and the vacuum mechanism 17, and the vacuum mechanism 16 controls the vacuum mechanism 17 to separate the dental model. Then, the next set of work tray 15 is put into the lower housing 12, and the next set of holding mechanism 17 is attached to the elevating mechanism 13, and the previous operation is repeated.

In the structure, the control unit 18 controls the lifting mechanism 13, the rotating mechanism 14, the heating mechanism 11 and the vacuum motor 16 to perform corresponding processes, so that heating and vacuum molding of the dental film are completed, the automatic production capacity is improved, the operation is facilitated, and the production efficiency is further improved. In addition, a rotating mechanism 14 and a lifting mechanism 13 are arranged, the rotating mechanism 14 enables the heating mechanism 11 to rotate back and forth between a working area and a non-working area, and therefore the situation that scalding occurs when the dental diaphragm is manually placed and taken is avoided.

In one embodiment, the control unit 18 is programmed by a PLC or a single chip microcomputer.

In a preferred embodiment, as shown in fig. 2, the heating mechanism 11 includes a heating tube 111 and a temperature measuring member 112, both the heating tube 111 and the temperature measuring member 112 are connected to the control unit 18, and the control unit 18 controls the temperature of the heating tube 111 through the feedback of the temperature measuring member 112.

The heating pipe 111 is installed in the upper shell 10, the control unit 18 controls the heating pipe 111 to heat, in addition, the heating mechanism 11 further comprises a temperature measuring part 112, the temperature measuring part 112 can effectively detect the temperature of the heating pipe 111, when the control unit 18 controls the heating pipe 111 to heat the dental film, the temperature measuring part 112 detects the heating temperature of the heating pipe 111 immediately, after the temperature reaches the corresponding temperature, the temperature measuring part 112 sends a signal to the control unit 18, the control unit 18 stops heating the heating pipe 111 after receiving the signal, and maintains the current temperature, so that the heating temperature can be better controlled, on one hand, the situation that the dental film is not flexible enough due to too low heating temperature is avoided, and the dental film is difficult to be attached to a dental model during vacuum molding and the quality of a product is influenced is avoided; on the other hand, the heating pipe 111 is prevented from being too hot, and the dental film is prevented from being easily structurally damaged. The heating pipe 111 and the temperature measuring piece 112 are used, so that the automation of the film pressing machine is further improved.

In one embodiment, the heating pipe 111 is installed at the front end inside the upper housing 10, and the rear end of the upper housing 10 is connected to the rotating mechanism 14, so that the rotating mechanism 14 rotates the upper housing 10 together, thereby realizing the reciprocal rotation of the upper housing 1090 degrees.

In a preferred embodiment, as shown in fig. 2 and 3, the rotating mechanism 14 includes a rotating motor 141, a first limiting member 142, and a rotating shaft 143, the rotating shaft 143 is disposed behind the lower housing 12, an upper end of the rotating shaft 143 is connected to the upper housing 10 through a hole in the lower housing 12, a lower end of the rotating shaft 143 is connected to the rotating motor 141, the first limiting member 142 is mounted on the rotating shaft 143, the rotating motor 141 is connected to the control unit 18, and the rotating motor 141 is controlled to rotate forward and backward, so that the heating device inside the upper housing 10 realizes reciprocating rotation.

In the above structure, the rotating motor 141 is placed in the lower housing 12, one end of the rotating shaft 143 is connected to the rotating motor 141, the other end of the rotating shaft 143 is connected to the upper housing 10, the control unit 18 controls the rotating motor 141 to rotate forward and backward, so as to drive the rotating shaft 143 to rotate in a reciprocating manner, and the rotating shaft 143 drives the upper housing 10 to rotate, so as to realize the reciprocating rotation of the heating mechanism 11. Through the mechanism, the rotating precision of the rotating mechanism 14 is further improved, the normal operation of work is ensured, the uniformity of heating the dental film is ensured, and the product quality is improved.

More specifically, as shown in fig. 4, the first limiting member 142 includes a limiting sheet 1421 connected to the rotating shaft 143, a limiting column 1422 disposed in the lower housing 12, and a first limiting switch 1423, the limiting sheet 1421 is provided with an arc-shaped limiting groove 1424, one end of the limiting column 1422 is disposed in the arc-shaped limiting groove 1424, the limiting sheet 1421 rotates along with the rotating shaft 143 to enable the limiting column 1422 to abut against two ends of the arc-shaped limiting groove 1424, the first limiting switch 1423 detects the limiting sheet 1421, and the first limiting switch 1423 is connected to the control unit 18.

In the structure of the first limiting member 142, the limiting plate 1421 is connected to the rotating shaft 143, and according to the rotation angle, an arc-shaped limiting groove 1424 with a certain distance is formed in the limiting plate 1421, wherein a limiting post 1422 is disposed on the lower housing 12, the limiting post 1422 passes through the arc-shaped limiting groove 1424, and in the process that the limiting plate 1421 rotates along with the rotating shaft 143, the limiting post 1422 can effectively limit the rotation angle of the limiting plate 1421, when the limiting plate 1421 starts to rotate, the limiting post 1422 abuts against one end of the arc-shaped limiting groove 1424, and when the limiting plate 1421 rotates, the limiting post 1422 gradually abuts against the other end of the arc-shaped limiting groove 1424, so as to limit the rotating shaft 143 from further rotating, in addition, a first limiting switch 1423 is disposed at a lower side position of the limiting plate 1421, the first limiting switch 1423 can detect a position of the limiting plate 1421, and when the limiting plate 1421 is detected to rotate to a corresponding position, a signal is transmitted to the control unit 18, so that the control unit 18 stops the operation of the rotating motor 141, thereby completing the rotation. By using the structure, the rotating accuracy is improved, the operability of the device is further improved, and the device is convenient to realize.

In one embodiment, first limit switch 1423 is a proximity switch, and in an alternative embodiment, first limit switch 1423 is an infrared sensor.

In a preferred embodiment, as shown in fig. 2, the clamping mechanism 17 includes an upper pressing plate 171 and a lower pressing plate 172 connected by a magnetic member, the upper pressing plate 171 and the lower pressing plate 172 are provided with a magnetic attachment groove 173 around, and the magnetic member is disposed in the magnetic attachment groove 173.

In the structure of the clamping mechanism 17, including the upper pressing plate 171 and the lower pressing plate 172, wherein, magnetic parts are arranged around the bottom side of the upper pressing plate 171, magnetic parts are correspondingly arranged around the upper side of the lower pressing plate 172, the upper pressing plate 171 and the lower pressing plate 172 are connected together through the magnetic parts, furthermore, magnetic mounting grooves 173 for mounting the magnetic parts are arranged around the upper pressing plate 171 and the lower pressing plate 172, on one hand, the magnetic parts can be hidden, the protruding upper pressing plate 171 or the lower pressing plate 172 is avoided, the clamping on the dental diaphragm is affected, on the other hand, the magnetic parts can be better protected, when the dental diaphragm is placed, the upper pressing plate 171 and the lower pressing plate 172 are separated firstly, the dental diaphragm is placed on the lower pressing plate 172, then, the upper pressing plate 171 and the lower pressing plate 172 are magnetically connected, a clamping area 174 is formed, the dental diaphragm is clamped, the magnetic type is used, the structure is simple, the clamping operation is convenient, the implementation is convenient, and the dental diaphragm can be conveniently taken and placed.

In a preferred embodiment, as shown in fig. 5 and 6, the lifting mechanism 13 includes a lifting motor 131, a second limiting member 132 and a lifting rod 133, the lifting rod 133 is disposed behind the lower housing 12, the upper end of the lifting rod 133 is connected to the upper pressing plate 171 and the lower pressing plate 172 through a hole on the lower housing 12, the lower end of the lifting rod 133 is connected to the lifting motor 131, the second limiting member 132 is mounted on the lifting rod 133, and the lifting motor 131 is driven by the control unit 18 to rotate forward and backward, so that the lifting rod 133 reciprocates.

In the above structure, the lifting motor 131 is disposed in the lower housing 12, the lifting operation is performed through the lifting rod 133 connected to the lifting motor 131, one end of the lifting rod 133 is connected to the upper pressing plate 171 and the lower pressing plate 172, so that the lifting motor 131 drives the upper pressing plate 171 and the lower pressing plate 172 to move up and down, in addition, the second limiting part 132 is installed on the lifting rod 133, the lifting length of the lifting rod 133 can be effectively limited, thereby avoiding that the lifting height of the clamping mechanism 17 is too high, which affects the heating of the dental diaphragm, even the too high lifting height can impact the upper housing 10, thereby damaging related components. The mechanism for driving the lifting rod 133 to reciprocate by using the lifting motor 131 simplifies the whole structure, and improves the automation degree of the film pressing machine while being convenient to realize.

More specifically, as shown in fig. 2, a connector 1331 is disposed at the upper end of the lifting rod 133, a magnetic piece 1332 is disposed at the bottom of the connector 1331, and the magnetic piece 1332 is magnetically connected to the upper pressing plate 171 and the lower pressing plate 172.

In the connection between the lifting rod 133 and the clamping mechanism 17, a connector 1331 is provided at the upper end of the lifting rod 133, wherein a magnetic attraction piece 1332 is installed at the bottom of the connector 1331, and the upper pressing piece 171 is connected through the magnetic attraction piece 1332, and the connection structure is simple, and meanwhile, when the upper pressing piece 171 and the lower pressing piece 172 move to the working tray 15 and the vacuum motor 16 starts to carry out vacuum shaping on the dental film, the strong negative pressure attraction force presses the upper pressing piece 171 and the lower pressing piece 172 on the working platform, and at this time, the control unit 18 controls the lifting motor 131 to ascend, so that the connector 1331 is separated from the upper pressing piece 171, therefore, the separation of the connector 1331 and the upper pressing piece 171 is facilitated by using the magnetic attraction structure, the manual separation of the connector 1331 and the upper pressing piece 171 is omitted, and the automation effect is further improved.

In a preferred embodiment, as shown in fig. 5 and 6, the second limiting member 132 includes an upper limiting stopper 1321 and a lower limiting stopper 1322 mounted on the lower housing 12, and a limiting stopper 1323 mounted on the lifting rod 133, wherein a second limiting switch 1324 is disposed at each of a lower end of the upper limiting stopper 1321 and an upper end of the lower limiting stopper 1322, the second limiting switch 1324 is connected to the control unit 18, and the limiting stopper 1323 moves up and down along with the lifting rod 133 and abuts against the upper limiting stopper 1321 and the lower limiting stopper 1322, respectively.

The stopper 1323 is connected to the lifter 133 so as to move up and down with the lifter 133, an upper stopper 1321 is provided at an upper end side of a moving track of the stopper 1323, and a lower stopper 1322 is provided at a lower end side of the moving track of the stopper 1323 so as to limit a distance of up and down movement of the stopper 1323 during the up and down movement of the stopper 1323, thereby limiting a lifting height of the lifter 133, and in addition, a second limit switch 1324 is further provided at the upper stopper 1321 and the lower stopper 1322, the second limit switch 1324 detects a position of the stopper 1323, thereby transmitting a relevant signal to the control unit 18, and the control unit 18 controls to stop the lifting motor 131, thereby further ensuring accuracy of the lifting height.

In one embodiment, the lifting rod 133 has a rack and pinion structure, and the pinion is connected to the lifting motor 131, so that the lifting motor 131 rotates the pinion, thereby moving the lifting rod 133 up and down.

In one embodiment, the second limit switch 1324 is a proximity switch, and in an alternative embodiment, the second limit switch 1324 is an infrared sensor.

In a preferred embodiment, as shown in fig. 2, the upper end of the work tray 15 is provided with a mounting boss 151, the bottom of the lower pressing plate 172 is provided with a mounting groove 1721 for inserting the mounting boss 151, and the clamping mechanism 17 is movably mounted on the mounting boss 151.

Set up installation boss 151 in work tray 15, when fixture 17 removed work platform, the mounting groove 1721 of lower preforming 172 bottom cooperatees with installation boss 151 and pegs graft to play the positioning action, avoid fixture 17 to appear the skew when putting work tray 15 on, thereby the influence is moulding to the vacuum of tooth diaphragm, in addition, uses the mode of pegging graft, is convenient for down the connection of preforming 172 and work tray 15.

More specifically, as shown in fig. 2, a plurality of air holes 152 are uniformly distributed at the bottom of the work tray 15, and the air holes 152 are communicated with the vacuum motor 16.

During the working process of the vacuum motor 16, the softened dental film is attached to the dental model by negative pressure to complete film pressing, so that the dental film is uniformly stressed and better attached to the dental model by uniform negative pressure transmitted by the air holes 152 uniformly distributed at the bottom of the working tray 15. The evenly distributed air holes 152 also avoid the phenomenon that the dental film is absorbed to the vacuum motor 16 because of the overlarge negative pressure.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. An automatic vacuum dental film laminator, comprising:

the upper shell comprises a heating mechanism;

the lower shell is provided with a lifting mechanism and a rotating mechanism, the rotating mechanism is connected with the heating mechanism, one end of the lower shell, which is close to the upper shell, is provided with a working tray, and the lower shell is provided with a vacuum motor communicated with the working tray;

the clamping mechanism is provided with a clamping area and is connected with the lifting mechanism;

and the control unit is connected with the lifting mechanism, the rotating mechanism and the vacuum motor.

2. The automatic vacuum dental film laminator according to claim 1, wherein: the heating mechanism comprises a heating pipe and a temperature measuring part, the heating pipe and the temperature measuring part are both connected with the control unit, and the control unit controls the temperature of the heating pipe through the feedback of the temperature measuring part.

3. The automatic vacuum dental film laminator according to claim 1, wherein: the rotating mechanism comprises a rotating motor, a first limiting part and a rotating shaft, the rotating shaft is arranged at the rear of the lower shell, the upper end of the rotating shaft passes through a hole in the lower shell and is connected with the upper shell, the lower end of the rotating shaft is connected with the rotating motor, the first limiting part is arranged on the rotating shaft, the rotating motor is connected with the control unit and controls the rotating motor to rotate positively and negatively, and therefore the heating device in the upper shell realizes reciprocating rotation.

4. The automated vacuum dental laminator according to claim 3, wherein: first locating part is including connecting the spacing piece of rotation axis, arrange spacing post and the first limit switch of casing down in, be equipped with the arc spacing groove on the spacing piece, spacing post one end is arranged in the arc spacing groove, spacing piece follows the rotation axis rotates so that spacing post with arc spacing groove both ends looks butt, first limit switch detects spacing piece, first limit switch with the control unit is connected.

5. The automatic vacuum dental film laminator of claim 1, wherein: fixture includes last preforming and lower preforming through magnetism the connection of piece of inhaling, go up the preforming with the preforming all is equipped with magnetism all around and inhales the mounting groove down, magnetism is inhaled the piece and is arranged in the mounting groove is inhaled to magnetism.

6. The automatic vacuum dental film laminator according to claim 5, wherein: the lifting mechanism comprises a lifting motor, a second limiting part and a lifting rod, the lifting rod is arranged at the rear of the lower shell, the upper end of the lifting rod is connected with the upper pressing sheet and the lower pressing sheet through a hole in the lower shell, the lower end of the lifting rod is connected with the lifting motor, the second limiting part is installed on the lifting rod, and the lifting motor is driven by the control unit to rotate positively and negatively, so that the lifting rod can move in a reciprocating manner.

7. The automatic vacuum dental film laminator according to claim 6, wherein: the upper end of the lifting rod is provided with a connecting piece, the bottom of the connecting piece is provided with a magnetic attraction piece, and the magnetic attraction piece is in magnetic attraction connection with the upper pressing piece and the lower pressing piece.

8. The automated vacuum dental laminator according to claim 6, wherein: the second limiting part comprises an upper limiting stopper and a lower limiting stopper which are arranged on the lower shell, and a limiting stopper which is arranged on the lifting rod, wherein second limiting switches are arranged at the lower end of the upper limiting stopper and the upper end of the lower limiting stopper, the second limiting switches are connected with the control unit, and the limiting stopper moves up and down along with the lifting rod and is respectively abutted against the upper limiting stopper and the lower limiting stopper.

9. The automatic vacuum dental film laminator according to claim 5, wherein: the upper end of the working tray is provided with a mounting boss, the bottom of the lower pressing sheet is provided with a mounting groove for the mounting boss to insert, and the clamping mechanism is movably mounted on the mounting boss.

10. The automatic vacuum dental film laminator according to claim 9, wherein: the bottom of the working tray is provided with a plurality of uniformly distributed air holes, and the air holes are communicated with the vacuum motor.

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