CN110242839B

CN110242839B - Sensor adjusting device and conveying equipment

Info

Publication number: CN110242839B
Application number: CN201910547595.5A
Authority: CN
Inventors: 肖寅聪; 于杨杨; 韩宏光; 李东阳; 赵小文
Original assignee: BOE Technology Group Co Ltd; Chengdu BOE Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Chengdu BOE Optoelectronics Technology Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2021-03-09
Anticipated expiration: 2039-06-24
Also published as: CN110242839A

Abstract

The invention discloses a sensor adjusting device and carrying equipment. The adjusting device comprises: the base is rotatably arranged on the base, and the rotation axis of the base is a first rotation axis; the mounting block is used for placing the sensor and is rotatably arranged on the base, the rotation axis of the mounting block is a second rotation axis, and the first rotation axis is orthogonal to the second rotation axis. According to the adjusting device provided by the embodiment of the invention, as the sensor is arranged on the mounting block, the mounting block can rotate on the base around the second rotation axis, and the base can also rotate around the first rotation axis, and as the first rotation axis and the second rotation axis are orthogonally arranged, the mounting block has two swinging freedom degrees in the vertical direction, the sensor arranged on the mounting block also has two swinging freedom degrees in the vertical direction, and the detection accuracy of the sensor is improved.

Description

Sensor adjusting device and conveying equipment

Technical Field

The invention relates to the field of adjustment, in particular to an adjusting device of a sensor and carrying equipment.

Background

The display industry has high requirements on the levelness of the equipment and the uniform stress of the equipment, and the levelness of the equipment can deviate along with the change of time. And the levelness is not well adjusted in the process of setting UP (device debugging phase), which also causes the levelness to be deviated in the later period.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the invention provides an adjusting device of a sensor, which can drive the sensor to swing.

The invention also provides the carrying equipment with the sensor adjusting device.

The adjusting device of the sensor according to the embodiment of the invention comprises: a base; the base is rotatably arranged on the base, and the rotation axis of the base is a first rotation axis; the mounting block is used for placing the sensor and is rotatably arranged on the base, the rotation axis of the mounting block is a second rotation axis, and the first rotation axis is orthogonal to the second rotation axis.

According to the adjusting device of the sensor, the sensor is arranged on the mounting block, the mounting block can rotate on the base around the second rotating axis, the base can also rotate around the first rotating axis, the first rotating axis and the second rotating axis are orthogonally arranged, so that the mounting block has two swinging freedom degrees in the vertical direction, the sensor placed on the mounting block also has two swinging freedom degrees in the vertical direction, and the detection accuracy of the sensor is improved.

In some embodiments of the present invention, a first accommodating space is provided in the base, and the base is rotatably provided in the first accommodating space; be equipped with second accommodation space in the base, the installation piece is rotationally established in the second accommodation space.

In some embodiments of the present invention, the mounting block is provided with a rotating shaft, and the rotating shaft is rotatably provided on the base to drive the mounting block to rotate.

In some embodiments of the present invention, the fixing device further includes an adjusting member for adjusting a fixing angle of the fixing block, and the adjusting member is connected to the rotating shaft to rotate the rotating shaft.

In some embodiments of the invention, the outer peripheral wall of the base is provided with an annular adjusting protrusion; the adjustment member includes: the fixed disc is connected with the rotating shaft; the fixed cover is connected with the fixed disc to drive the fixed disc to rotate synchronously, and the fixed cover is sleeved on the adjusting protrusion in a rotatable mode.

In some embodiments of the invention, the outer peripheral wall of the adjusting protrusion is provided with a first engaging tooth, and the inner peripheral wall of the fixing cover is provided with a second engaging tooth engaged with the first engaging tooth.

In some embodiments of the invention, the retaining plate and the retaining cap are in meshing engagement for synchronous rotation.

In some embodiments of the present invention, the rotating shaft is a hollow shaft, and the adjusting device further includes an elastic member disposed in the rotating shaft, and both ends of the elastic member are respectively fixed to the rotating shaft and the fixed disk.

In some embodiments of the invention, the resilient member is a spring.

In some embodiments of the present invention, the base is provided with a fitting hole for installing the rotating shaft, a bearing is arranged in the fitting hole, and the rotating shaft is fitted with the bearing.

The carrying device according to the embodiment of the invention comprises: a mechanical platform; the mounting bracket is arranged on the mechanical platform, and a floating cylinder is arranged on the mounting bracket; the lifting device is connected with the mounting bracket to drive the mounting bracket to lift; a container for containing a glass substrate, the container being placed on the floating cylinder; the supporting base is arranged on the mechanical platform; the adjusting device is the adjusting device provided by the embodiment of the invention and is arranged at the top of the supporting base; the sensor is arranged on the mounting block of the adjusting device and supports the containing container to detect the levelness of the containing container.

According to the carrying equipment provided by the embodiment of the invention, the adjusting device provided by the embodiment of the invention enables the sensor arranged on the mounting block to have two swinging degrees of freedom in the vertical direction, so that the sensor can be more attached to the bottom wall of the containing container, the sensor can be ensured to accurately detect the levelness of the containing container, the degree of freedom of the glass substrate can be effectively adjusted, and the levelness of the display equipment can be effectively ensured.

Further, the lifting device includes: the servo motor is arranged on the mechanical platform; the screw assembly comprises a screw and a screw sleeve, the screw is connected with the servo motor to be driven by the servo motor to rotate, the screw sleeve is matched with the screw to move in a reciprocating mode relative to the screw, and the screw sleeve is connected with the mounting bracket.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a handling apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of a lifting device according to an embodiment of the present invention;

FIG. 3 is a schematic view of the adjustment device and the support spring in cooperation according to an embodiment of the present invention;

FIG. 4 is a schematic view of the mating of the base and mounting block of the adjustment device according to an embodiment of the invention;

FIG. 5 is a cross-sectional view of the mating condition of the base and mounting block of the adjustment device according to an embodiment of the invention;

FIG. 6 is a schematic view of a base of an adjustment device according to an embodiment of the invention;

FIG. 7 is a schematic view of a mounting block of an adjustment device according to an embodiment of the invention;

FIG. 8 is a schematic view of the engagement of the rotating shaft, the elastic member and the adjusting member of the adjusting device according to the embodiment of the present invention;

FIG. 9 is a schematic view of a stationary cover of an adjustment device according to an embodiment of the invention;

FIG. 10 is a side view of a stationary cover of an adjustment device according to an embodiment of the invention;

FIG. 11 is a side view of the base and base of an adjustment device in accordance with an embodiment of the invention in a mated condition;

fig. 12 is a bottom view of a base provided with a support spring of an adjustment device according to an embodiment of the invention.

Reference numerals:

1. a handling device;

11. a mechanical platform; 111. a guide bar;

12. mounting a bracket; 121. a floating cylinder;

13. a lifting device; 131. a servo motor; 132. a lead screw assembly; 1321. a lead screw; 1322. sleeving the silk;

14. a holding container;

15. a support base; 151. a support spring;

16. an adjustment device; 161. a base; 1611. a first accommodating space; 1612. mounting a sheet; 162. a base; 1621. a second accommodating space; 1622. an adjusting projection; 1623. a pin shaft; 1624. a first meshing tooth; 163. mounting blocks; 1631. a rotating shaft; 164. an adjustment member; 1641. fixing the disc; 1642. a fixed cover; 165. an elastic member; 166. a bearing;

17. a sensor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An adjusting means 16 of a sensor according to an embodiment of the present invention will be described with reference to fig. 1 to 12, a sensor 17 being disposed at the adjusting means 16, the sensor 17 being for detecting the levelness of a holding container 14 for holding a glass substrate 14.

The adjusting device 16 according to an embodiment of the present invention includes: the sensor comprises a base 161, a base 162 and a mounting block 163 for placing the sensor 17, wherein the base 162 is rotatably arranged on the base 161, and the rotation axis of the base 162 is a first rotation axis. The mounting block 163 is rotatably disposed on the base 162, the rotation axis of the mounting block 163 is a second rotation axis, and the first rotation axis and the second rotation axis are orthogonal.

If the extending direction of the first rotation axis is set to the Y direction and the extending direction of the second rotation axis is set to the X direction, the base 162 and the mounting block 163 have a degree of freedom of swing in the Y direction because the base 162 is rotatable with respect to the first rotation axis. Since the mounting block 163 is rotatable with respect to the second rotation axis, the mounting block 163 has a degree of freedom of swinging in the X direction with respect to the base 162. Also, since the sensor 17 is placed on the mounting block 163, the sensor 17 has freedom of swinging in the X direction and the Y direction.

When utilizing sensor 17 to detect the levelness that holds container 14, because sensor 17 has the swing degree of freedom in X direction and Y direction, consequently sensor 17 can laminate the diapire that holds container 14 more, has guaranteed that sensor 17 can accurately detect the levelness that holds container 14. It should be noted that the sensor 17 can be placed on the mounting block 163 in any manner, as long as it is ensured that the sensor 17 does not fall off when the mounting block 163 swings, and the specific mounting manner can be selected according to the specific type of the sensor 17.

In the adjusting device 16 of the sensor according to the embodiment of the present invention, since the sensor 17 is mounted on the mounting block 163, the mounting block 163 can rotate on the base 162 around the second rotation axis, and the base 162 can also rotate around the first rotation axis, since the first rotation axis and the second rotation axis are orthogonally arranged, the mounting block 163 has two degrees of freedom of swinging in the vertical direction, the sensor 17 placed on the mounting block 163 also has two degrees of freedom of swinging in the vertical direction, and the detection accuracy of the sensor 17 is improved.

As shown in fig. 4-6 and fig. 11, a first accommodating space 1611 is provided in the base 161, and the base 162 is rotatably provided in the first accommodating space 1611; a second accommodating space 1621 is formed in the base 162, and the mounting block 163 is rotatably disposed in the second accommodating space 1621. Specifically, the base 162 rotates in the first accommodating space 1611, and the mounting block 163 rotates in the second accommodating space 1621, so that the mounting block 163 and the base 162 can be effectively protected, and the adjusting device 16 of the embodiment of the present invention has a small volume and is convenient to install.

Specifically, a pin 1623 is installed on the base 162, a pin hole is opened on an inner wall of the first accommodating space 1611, and the pin 1623 is rotatably disposed in the pin hole, so that the base 162 can rotate in the first accommodating space 1611.

As shown in fig. 4, 5 and 11, in some embodiments of the present invention, the mounting block 163 is provided with a rotating shaft 1631, and the rotating shaft 1631 is rotatably provided on the base 162 to rotate the mounting block 163. Specifically, the rotating shaft 1631 may pass through the mounting block 163 and be fixedly connected to the mounting block 163, and both ends of the rotating shaft 1631 are respectively rotatably disposed on the inner wall of the second accommodating space 1621, so that the rotating shaft 1631 drives the mounting block 163 to rotate on the base 162. Or may be that rotation shafts 1631 are fixed to opposite sidewalls of the mounting block 163, and each rotation shaft 1631 is rotatably provided on an inner wall of the second receiving space 1621.

It is understood that the fitting manner between the mounting block 163 and the base 162 is not limited thereto, for example, the rotating shaft 1631 may pass through the mounting block 163 and the mounting block 163 may be rotatable with respect to the rotating shaft 1631, and both ends of the rotating shaft 1631 are fixed on the inner wall of the second receiving space 1621, so that the mounting block 163 may be rotatable on the base 162.

As shown in fig. 5, 6 and 8-10, in the present invention, the adjusting device 16 further includes an adjusting member 164 for adjusting the installation angle of the installation block 163, and the adjusting member 164 is connected to the rotation shaft 1631 to rotate the rotation shaft 1631. Specifically, when the installation angle of the installation block 163 is deviated, the adjustment member 164 drives the rotation shaft 1631 to rotate, so as to drive the installation angle of the installation block 163 to return to the preset angle, and further, the working reliability of the whole adjustment device 16 can be ensured.

As shown in fig. 5 and 6, in some embodiments of the invention, the outer peripheral wall of the base 162 is provided with an annular adjustment protrusion 1622. The adjustment member 164 includes: a fixed tray 1641 and a fixed cover 1642, the fixed tray 1641 being connected to the rotation shaft 1631. Fixed cover 1642 links to each other with fixed disk 1641 and rotates in order to drive fixed disk 1641 synchronous, and fixed cover 1642 rotationally overlaps on adjusting protrusion 1622. Specifically, the rotating shaft 1631 is matched with the fixing cover 1642 through the fixing plate 1641, and the fixing cover 1642 can rotate on the adjusting protrusion 1622, so that the fixing plate 1641 can be driven by the rotating cover 1642 to rotate the rotating shaft 1631, and the purpose of adjusting the installation angle of the installation block 163 on the base 162 is achieved. It should be understood that the structure of the adjusting element 164 is not limited thereto, as long as the rotating shaft 1631 can be driven to rotate, for example, the adjusting element 164 may be a handle passing through the rotating shaft 1631, the handle extends out of the base 161, and the rotating shaft 1631 is driven to rotate by the handle to adjust the installation angle of the installation block 163.

In some embodiments of the present invention, the outer circumferential wall of the adjustment protrusion 1622 is provided with first engagement teeth 1624, and the inner circumferential wall of the fixed cover 1642 is provided with second engagement teeth that are in engagement fit with the first engagement teeth 1624. Specifically, the first engaging teeth 1624 of the adjusting protrusion 1622 are engaged with the second engaging teeth of the fixing cover 1642, so that the fixing cover 1642 can be rotatably fitted on the adjusting protrusion 1622, which not only facilitates adjustment, but also improves the adjustment accuracy. It can be understood that the outer peripheral wall of the adjusting protrusion 1622 is provided with an external thread, and the inner peripheral wall of the fixing cover 1642 is provided with an internal thread, so that the fixing cover 1642 is connected with the adjusting protrusion 1622 through a thread fit, and the effect of rotating the fixing cover 1642 on the adjusting protrusion 1622 can also be realized.

Further, as shown in fig. 9 and 10, retaining plate 1641 and retaining cover 1642 are matingly engaged for synchronous rotation. In some examples of the present invention, a plurality of first protrusions are formed on an outer wall of the fixed tray 1641 while being spaced apart from each other, and a plurality of second protrusions are formed on an inner wall of the fixed cover 1642 while being spaced apart from each other, and the fixed tray 1641 is rotated by rotating the fixed cover 1642 in a state where the plurality of first protrusions are engaged with the plurality of second protrusions.

As shown in fig. 5 and 8, in some embodiments of the present invention, the rotating shaft 1631 is a hollow shaft, and the adjusting device 16 further includes an elastic member 165 disposed inside the rotating shaft 1631, wherein both ends of the elastic member 165 are fixed to the rotating shaft 1631 and the fixing plate 1641, respectively. Specifically, the elastic member 165 is located in the cavity of the hollow shaft, two ends of the elastic member 165 are respectively connected to the hollow shaft and the fixed plate 1641, the fixed plate 1641 is connected to the fixed cover 1642, the elastic member 165 is elastically deformed when the rotating shaft 1631 rotates, and after the elastic member 165 is elastically deformed, the elastic member 165 drives the rotating shaft 1631 to rotate to a preset position when restoring to a natural state, so that the effect of automatically adjusting the installation angle by driving the installation block 163 to rotate through the rotating shaft 1631 is achieved.

Further, the elastic member 165 is a spring. Specifically, the spring is twisted in the radial direction, so that the spring returns to the natural state to drive the rotating shaft 1631 to rotate to the preset position, thereby achieving the effect of driving the mounting block 163 to rotate through the rotating shaft 1631 to automatically adjust the mounting angle. Of course, in other embodiments, the elastic member 165 may also be a rubber rod, and the rubber rod is deformed by twisting in the radial direction, so that when the rubber rod returns to the natural state, the rubber rod drives the rotating shaft 1631 to rotate to a preset position, so as to drive the mounting block 163 to rotate through the rotating shaft 1631, thereby automatically adjusting the mounting angle.

As shown in fig. 5 and 6, the base 162 is further provided with a fitting hole for mounting the rotating shaft 1631, a bearing 166 is provided in the fitting hole, and the rotating shaft 1631 is fitted with the bearing 166. Specifically, both ends of the rotating shaft 1631 are rotatably connected to the base 162 via the bearings 166, so as to reduce the friction force generated by the rotating shaft 1631 rotating in the base 162, and in the present invention, the bearings 166 may be micro bearings 166.

As shown in fig. 1 and 2, a carrying apparatus 1 according to an embodiment of the present invention includes: a mechanical platform 11, a mounting bracket 12, a lifting device 13, a container 14 for containing glass substrates, a supporting base 15, an adjusting device 16 and a sensor 17. Wherein the mounting bracket 12 is arranged on the mechanical platform 11, and the mounting bracket 12 is provided with a floating cylinder 121. The lifting device 13 is connected with the mounting bracket 12 to drive the mounting bracket 12 to lift. The holding container 14 is placed on the floating cylinder 121. The support base 15 is provided on the machine platform 11. The adjusting device 16 is an adjusting device 16 according to the above-described embodiment of the present invention, and the adjusting device 16 is provided on the top of the support base 15. The sensor 17 is provided on the mounting block 163 of the adjusting device 16 and the sensor 17 supports the accommodating container 14 to detect the levelness of the accommodating container 14.

According to the carrying device 1 of the embodiment of the invention, two ends of the containing container 14 are supported by the floating cylinders 121, the sensor 17 is positioned between the two floating cylinders 121, the sensor 17 is supported below the containing container 14, when the levelness of the containing container 14 is inclined, the containing container 14 drives the sensor 17 at the top end of the adjusting device 16 to incline, so that the sensor 17 can detect the levelness of the containing container, and after the sensor 17 detects that the levelness of the containing container 14 is inclined, the levelness of the containing container 14 is adjusted by the lifting device 13 and the floating cylinders 121, so that the effect of adjusting the levelness of the containing container 14 is realized.

According to the carrying device 1 of the embodiment of the present invention, the adjusting device 16 according to the above-described embodiment of the present invention is provided, so that the sensor 17 placed on the mounting block 163 has two swinging degrees of freedom in the vertical direction, and therefore, the sensor 17 can be more attached to the bottom wall of the holding container 14, the sensor 17 can accurately detect the levelness of the holding container 14, and the degree of freedom for effectively adjusting the glass substrate can be ensured, thereby effectively ensuring the levelness of the display device.

In some embodiments of the present invention, the supporting base 15 includes a fixing rod and a supporting spring 151 connected to an upper end of the fixing rod, a lower end of the fixing rod is fixed to the mechanical platform 11, an upper end of the fixing rod is supported at a lower end of the adjusting device 16 through the supporting spring 151, in some examples of the present invention, two mounting pieces 1612 are connected to a lower end surface of the base 161, and the supporting spring 151 is connected to a bottom of the base 161 through the mounting pieces 1612, so that the adjusting device 16 can swing under the support of the supporting spring 151, so that the adjusting device 16 can have a larger swing angle, further the sensor 17 can be more attached to a bottom wall of the containing container 14, and further the sensor 17 can accurately detect the levelness of the containing container 14.

Further, the lifting device 13 includes: a servo motor 131 and a lead screw assembly 132, wherein the servo motor 131 is arranged on the mechanical platform 11. The screw assembly 132 includes a screw 1321 and a screw 1322, the screw 1321 is connected to the servomotor 131 to be rotated by the servomotor 131, the screw 1322 is engaged with the screw 1321 to be reciprocally moved with respect to the screw 1321, and the screw 1322 is connected to the mounting bracket 12. Specifically, the servo motor 131 drives the screw 1321 to rotate, the mounting bracket 12 can be matched with the screw 1321 through the thread bushing 1322 to achieve up-and-down movement, so as to adjust the levelness of the container 14, it should be noted that at least two guide rods 111 are arranged on the mechanical platform 11 at intervals, a plurality of guide holes are formed in the mounting bracket 12, and the plurality of guide rods 111 can be slidably arranged in the guide holes, so that the mounting bracket 12 can be kept stable when moving up and down, in this embodiment, the number of the guide rods 111 is four, of course, in other embodiments, the number of the guide rods 111 may also be 3, 5 or more, which is not limited herein.

In some embodiments of the present invention, the lead screw 1321 may be set to have an accuracy of 0.01mm, so that the mounting bracket 12 may have a lifting accuracy of 0.01mm, improving the adjustment accuracy of the handling apparatus 1.

It should be noted that the sensor 17 is installed on the supporting spring 151 through the adjusting device 16, when the container 14 is inclined, the sensor 17 can transmit the inclination angle to the PLC, and the PLC controls the servo motor 131 and the floating cylinder 121 to adjust the container 14, so as to achieve the effect of automatically adjusting the levelness of the container 14.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "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 do not necessarily 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A handling apparatus, characterized by comprising:

a mechanical platform;

the mounting bracket is arranged on the mechanical platform, and a floating cylinder is arranged on the mounting bracket;

the lifting device is connected with the mounting bracket to drive the mounting bracket to lift;

a container for containing a glass substrate, the container being placed on the floating cylinder;

the supporting base is arranged on the mechanical platform;

adjusting device, adjusting device establishes the top of support base, adjusting device includes: the sensor mounting structure comprises a base, a base and a mounting block for placing a sensor, wherein the base is rotatably arranged on the base, the rotation axis of the base is a first rotation axis, the mounting block is rotatably arranged on the base, the rotation axis of the mounting block is a second rotation axis, and the first rotation axis is orthogonal to the second rotation axis;

the sensor is arranged on the mounting block of the adjusting device and supports the containing container to detect the levelness of the containing container.

2. The carrying apparatus according to claim 1, wherein a first accommodating space is provided in the base, and the base is rotatably provided in the first accommodating space;

be equipped with second accommodation space in the base, the installation piece is rotationally established in the second accommodation space.

3. The transfer apparatus as claimed in claim 1, wherein the mounting block is provided with a rotating shaft, and the rotating shaft is rotatably provided on the base to rotate the mounting block.

4. The conveying equipment as claimed in claim 3, further comprising an adjusting member for adjusting the installation angle of the installation block, wherein the adjusting member is connected to the rotating shaft to rotate the rotating shaft.

5. The carrying device according to claim 4, wherein the outer peripheral wall of the base is provided with an annular adjusting projection; the adjustment member includes:

the fixed disc is connected with the rotating shaft;

the fixed cover is connected with the fixed disc to drive the fixed disc to rotate synchronously, and the fixed cover is sleeved on the adjusting protrusion in a rotatable mode.

6. The transfer apparatus according to claim 5, wherein the outer peripheral wall of the adjustment projection is provided with first engagement teeth, and the inner peripheral wall of the fixed cover is provided with second engagement teeth that are in engagement fit with the first engagement teeth.

7. The transfer apparatus of claim 5, wherein the holding pan and the holding cover are in meshing engagement for synchronous rotation.

8. The transfer apparatus as claimed in claim 5, wherein the rotary shaft is a hollow shaft, and the adjusting device further comprises an elastic member provided in the rotary shaft, and both ends of the elastic member are fixed to the rotary shaft and the fixed tray, respectively.

9. The transfer apparatus of claim 8, wherein the resilient member is a spring.

10. The carrying device as claimed in claim 3, wherein the base is provided with a fitting hole for mounting the rotating shaft, a bearing is provided in the fitting hole, and the rotating shaft is fitted with the bearing.

11. The transfer apparatus of claim 1, wherein the lifting device comprises:

the servo motor is arranged on the mechanical platform;

the screw assembly comprises a screw and a screw sleeve, the screw is connected with the servo motor to be driven by the servo motor to rotate, the screw sleeve is matched with the screw to move in a reciprocating mode relative to the screw, and the screw sleeve is connected with the mounting bracket.