CN220115492U - Transmission mechanism and transfer equipment - Google Patents

Abstract

The utility model discloses a transmission mechanism and transfer equipment, wherein the transmission mechanism comprises a supporting structure; the primary transmission assembly is movably arranged on the supporting structure along a first direction; the secondary transmission assembly is movably arranged on the primary transmission assembly along the first direction; the secondary synchronous belt transmission assembly is arranged between the primary transmission assembly and the secondary transmission assembly, and the primary transmission assembly drives the secondary transmission assembly to move through the secondary synchronous belt transmission assembly; the driving component is arranged on the supporting structure and used for driving the primary transmission component to move; and the detection component is arranged on the supporting structure and used for detecting the moving distance of the secondary transmission component. Under the condition that the driving part runs one time of travel, the carrier on the secondary transmission assembly can move the double travel, so that long-travel transmission is realized, transmission precision between the primary transmission assembly and the secondary transmission assembly is guaranteed through the secondary synchronous belt transmission assembly, and the position of the tail end is accurately acquired by matching with the detection assembly, so that the device has the advantage of convenience in use.

Description

Transmission mechanism and transfer equipment

Technical Field

The utility model relates to the technical field of transfer equipment, in particular to a transmission mechanism and transfer equipment.

Background

In the related art, most of the transmission modules are in primary transmission, when a motor drives a carrier to move for a specific stroke, the transmission stroke and the module length are in positive correlation, the stroke length corresponds to the module length, and in the long-distance transmission, the integral transmission module is inevitably large in volume, and in some narrow spaces, the primary transmission cannot meet the requirements.

Meanwhile, there are also multi-stage transmission modules, but the transmission accuracy of such transmission modules is not high, and it is difficult to determine the position of the tip, resulting in inconvenience in use.

Disclosure of Invention

The utility model aims to at least solve the technical problems existing in the prior art. Therefore, the utility model provides a transmission mechanism which can realize long-stroke transmission in a small space and is convenient to use.

The utility model also provides transfer equipment comprising the transmission mechanism.

A transport mechanism according to an embodiment of the first aspect of the present utility model for transporting a carrier in a first direction, comprises:

a support structure;

a primary transport assembly movably disposed on the support structure along the first direction;

the secondary transmission assembly is movably arranged on the primary transmission assembly along the first direction;

the secondary synchronous belt transmission assembly is arranged between the primary transmission assembly and the secondary transmission assembly, and the primary transmission assembly drives the secondary transmission assembly to move through the secondary synchronous belt transmission assembly;

the driving component is arranged on the supporting structure and is used for driving the primary transmission component to move; and

the detection assembly is arranged on the supporting structure and is used for detecting the moving distance of the secondary transmission assembly.

The transmission mechanism according to the embodiment of the first aspect of the utility model has at least the following advantages: the driving part drives the first-stage transmission assembly to run for one time, and meanwhile, the first-stage transmission assembly drives the second-stage transmission assembly to synchronously move for one time, so that the carrier on the second-stage transmission assembly can move for double strokes under the condition of running for one time, long-stroke transmission can be realized in some narrow spaces, further, transmission precision between the first-stage transmission assembly and the second-stage transmission assembly is guaranteed through the second-stage synchronous belt transmission assembly, and the position of the tail end is accurately acquired by the cooperation detection assembly, so that the device has the advantage of convenient use.

According to the transmission mechanism of the embodiment of the first aspect of the utility model, the detection assembly comprises an origin switch and a detection baffle, the origin switch is fixedly arranged on the supporting structure, and the detection baffle is matched with the origin switch and used for determining the initial position of the driving component.

According to the transmission mechanism of the embodiment of the first aspect of the utility model, the driving part comprises a driving motor and a primary synchronous belt transmission assembly, and the driving motor drives the primary transmission assembly to move through the primary synchronous belt transmission assembly.

According to the transmission mechanism of the embodiment of the first aspect of the utility model, the primary synchronous belt transmission assembly comprises a primary driving wheel, a primary driven wheel, a primary synchronous belt and a primary transmission block, wherein the primary driving wheel is connected with the driving motor, the primary driven wheel is rotatably arranged on the supporting structure, the primary synchronous belt is wound on the primary driving wheel and the primary driven wheel to form a closed loop, the primary transmission block is fixedly connected with the primary transmission assembly, and the primary transmission block acts on the primary synchronous belt to enable the primary synchronous belt to drive the primary transmission assembly to move.

According to an embodiment of the first aspect of the present utility model, the support structure is provided with a primary transmission rail, the primary transmission rail is disposed to extend along the first direction, and the primary transmission assembly is slidably disposed on the primary transmission rail.

According to the transmission mechanism of the embodiment of the first aspect of the utility model, the secondary synchronous belt transmission assembly comprises a first secondary connection block, a second secondary connection block, a secondary synchronous belt, a first secondary driven wheel and a second secondary driven wheel, the first secondary driven wheel and the second secondary driven wheel are rotatably arranged on the primary transmission assembly, the secondary synchronous belt is wound on the first secondary driven wheel and the second secondary driven wheel to form a closed loop, the first secondary connection block is fixedly arranged on the supporting structure and acts on a first position of the secondary synchronous belt, and the second secondary connection block is fixedly connected with the secondary transmission assembly and acts on a second position of the secondary synchronous belt.

According to an embodiment of the first aspect of the present utility model, the primary transmission assembly is provided with a secondary transmission rail, the secondary transmission rail is arranged to extend along the first direction, and the secondary transmission assembly is slidably arranged on the secondary transmission rail.

According to an embodiment of the first aspect of the present utility model, the secondary transmission assembly includes a secondary transmission plate, a support block, and a positioning member, where the support block is fixedly disposed on the secondary transmission plate and is used for supporting the carrier, and the positioning member is disposed on the support block and is used for positioning the carrier.

According to an embodiment of the first aspect of the utility model, at least one of the end of the support structure or the end of the primary transport assembly is provided with a support.

A transfer apparatus according to an embodiment of the second aspect of the present utility model includes: a transport mechanism according to an embodiment of the first aspect of the utility model.

It will be appreciated that the transfer apparatus according to the second embodiment of the present utility model has the technical effects of the conveying mechanism according to the first embodiment, and thus will not be described in detail.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

fig. 1 is a schematic view of a structure of a carrier in a fully unfolded state according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a structure of a carrier in a fully retracted state according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the utility model in a fully extended position;

fig. 4 is a schematic structural view of the fully extended carrier according to the embodiment of the present utility model.

Reference numerals:

a support structure 100, a primary transport rail 110;

a primary transport assembly 200, a secondary transport rail 210;

the secondary transmission assembly 300, the secondary transmission plate 310, the bearing block 320 and the positioning piece 330;

the driving component 400, the driving motor 410, the primary synchronous belt transmission assembly 420, the primary driving wheel 421, the primary driven wheel 422, the primary synchronous belt 423 and the primary transmission block 424;

a secondary timing belt drive assembly 500, a first secondary connection block 510, a second secondary connection block 520, a secondary timing belt 530, a first secondary driven wheel 540, a second secondary driven wheel 550;

a detection assembly 600, an origin switch 610, and a detection shutter 620;

a support 700;

carrier 800.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.

In the description of the present utility model, a number means one or more, a number means at least two, and more than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art after combining the specific contents of the technical solutions.

Referring to fig. 1 to 4, the transfer mechanism according to the first aspect of the present utility model is applied to transfer of various kinds of carriers 800 such as a microplate, a deep well plate, etc., and is used for transporting the carriers 800 in a first direction, and includes a support structure 100, a primary transfer assembly 200, a secondary transfer assembly 300, a secondary timing belt transmission assembly 500, a driving part 400, and a detection assembly 600.

Wherein the primary transport assembly 200 is movably disposed on the support structure 100 along a first direction; the secondary transport assembly 300 is movably disposed on the primary transport assembly 200 along a first direction; the secondary synchronous belt transmission assembly 500 is arranged between the primary transmission assembly 200 and the secondary transmission assembly 300, and the primary transmission assembly 200 drives the secondary transmission assembly 300 to move through the secondary synchronous belt transmission assembly 500; the driving component 400 is arranged on the supporting structure 100, and the driving component 400 is used for driving the primary transmission assembly 200 to move; and a detection assembly 600 is provided on the support structure 100, the detection assembly 600 being for detecting a moving distance of the secondary transmission assembly 300.

It should be noted that, the primary transmission assembly 200, the secondary transmission assembly 300 and the secondary synchronous belt transmission assembly 500 form a telescopic transmission module, the driving component 400 is fixedly arranged and bears the supporting structure 100, so that the supporting structure 100 is relatively fixed, the driving component 400 operates to directly drive the primary transmission assembly 200 to move by one time of stroke based on the fixed arrangement of the supporting structure 100 in the first direction, and meanwhile, the primary transmission assembly 200 and the secondary transmission assembly 300 are respectively connected based on the secondary synchronous belt transmission assembly 500, so that the secondary transmission assembly 300 also synchronously moves by one time of stroke under the driving of the primary transmission assembly 200, and therefore, the secondary transmission assembly 300 moves by double strokes compared with the initial position, thereby achieving the effect of stroke amplification. In particular, the support structure 100 may be a support beam or a support plate, and the primary transport assembly 200 and the secondary transport assembly 300 may be transport plates. It will be appreciated that with particular reference to fig. 1, the direction of the first direction is shown as being transverse. In other embodiments, the first direction may be vertical, longitudinal or any other direction on a horizontal plane, and the transmission mechanism of the present utility model may be specifically configured according to the action of transportation and the design of a line.

Referring to fig. 1 to 4, in the transmission mechanism according to the first aspect of the present utility model, the driving component 100 drives the primary transmission component 200 to operate by one time of stroke, and meanwhile, the primary transmission component 200 drives the secondary transmission component 300 to also synchronously move by one time of stroke, so that the carrier 800 on the secondary transmission component 300 can move by two times of stroke when the driving component 100 operates by one time of stroke, thereby being capable of realizing long-stroke transmission in some narrow spaces, ensuring transmission precision between the primary transmission component 200 and the secondary transmission component 300 through the secondary synchronous belt transmission component 500, and being convenient to use in cooperation with the detection component 600 to accurately obtain the position of the tail end.

In some embodiments of the present utility model, referring specifically to fig. 1, the detection assembly 600 includes an origin switch 610 and a detection flap 620, the driving part 400 includes a driving motor 410, the origin switch 610 is fixedly disposed on the support structure 100, the origin switch 610 and the detection flap 620 are cooperatively disposed and used to determine an initial position of the driving part 400, and the movement distance is adapted to be converted from the number of rotations of the driving motor 410 with the initial position as an origin.

It can be understood that the origin of the telescopic transmission module is detected by the origin switch 610 and the detecting block 620, and the telescopic length is controlled by the conversion of the rotation number of the motor, so as to obtain the moving distance of the secondary transmission assembly 300. More specifically, referring to fig. 1 and fig. 2 specifically, when the module is in the initial state, the detection baffle 620 is located in the origin switch, and the information that the module has reached the initial state is fed back at this time, when the module needs to stretch forward, the detection baffle 620 moves synchronously with the primary transmission assembly 200 or the primary synchronous belt 423, the distance of the forward stretch needs to be determined by calculating the distance of the forward stretch from the origin, and the distance of the forward stretch can be directly converted through the number of turns required to rotate by the driving motor 410, so that the effect of accurately obtaining the position of the tail end is achieved, and the use is convenient.

In some embodiments, the driving motor 410 may be configured as a motor of different types, such as a servo motor, according to specific usage requirements to improve control accuracy. In other embodiments, the driving motor 410 may be replaced by a hydraulic driving member or a pneumatic driving member, where each driving member may be adaptively selected according to a corresponding driving member, and conversion of the telescopic length may be converted by a parameter capable of being quantified, such as hydraulic magnitude, pneumatic magnitude, etc., which will not be further described herein.

In some embodiments of the present utility model, referring to fig. 1, 3 and 4, the driving part 400 includes a primary timing belt transmission assembly 420, and the driving motor 410 drives the primary transmission assembly 200 to move through the primary timing belt transmission assembly 420. Preferably, the primary synchronous belt transmission assembly 420 comprises a primary driving wheel 421, a primary driven wheel 422, a primary synchronous belt 423 and a primary transmission block 424, wherein the primary driving wheel 421 is connected with the driving motor 410, the primary driven wheel 422 is rotatably arranged on the supporting structure 100, the primary synchronous belt 423 is wound on the primary driving wheel 421 and the primary driven wheel 422 to form a closed loop, the primary transmission block 424 is fixedly connected with the primary transmission assembly 200, and the primary transmission block 424 acts on the primary synchronous belt 423, so that the primary synchronous belt 423 can drive the primary transmission assembly 200 to move.

It can be appreciated that in this embodiment, a more accurate transmission effect can be ensured by using a synchronous belt to realize transmission, wherein the primary driving wheel 421 is disposed at the output end of the driving motor 410, the primary driven wheel 422 is rotatably disposed on the supporting structure 100 through a rotating shaft, the primary synchronous belt 423 continuously acts based on the driving of the primary driving wheel 421 and drives the primary transmission block 424 acting on the primary synchronous belt 423 to move, and the primary transmission block 424 is connected with the primary transmission assembly 200 to enable the primary transmission assembly to be driven by the driving motor 410 to move. In other embodiments, the driving component 400 may drive the primary transmission assembly 200 to move through a rack and pinion assembly, a linear module assembly, or the like.

In some embodiments of the present utility model, referring to fig. 1, a primary transfer rail 110 is provided on the support structure 100, the primary transfer rail 110 being disposed to extend in a first direction, and a primary transfer assembly 200 being slidably disposed on the primary transfer rail 110. Further, the primary transmission assembly 200 is provided with a secondary transmission rail 210, the secondary transmission rail 210 is extended along the first direction, and the secondary transmission assembly 300 is slidably disposed on the secondary transmission rail 210. It can be appreciated that the primary transmission rail 110 can guide the motion of the primary transmission assembly 200, and the secondary transmission rail 210 can guide the motion of the secondary transmission assembly 300, thereby improving the transmission accuracy. The primary conveying guide rail 110 and the secondary conveying guide rail 210 may be configured as at least one guide rail according to specific use requirements, and preferably configured as two guide rails parallel to each other, so as to ensure smooth sliding.

In some embodiments of the present utility model, and with particular reference to fig. 1, a secondary timing belt drive assembly 500 includes a first secondary connection block 510, a second secondary connection block 520, a secondary timing belt 530, a first secondary driven wheel 540 and a second secondary driven wheel 550 rotatably disposed on a primary transmission assembly 200, the secondary timing belt 530 wound around the first secondary driven wheel 540 and the second secondary driven wheel 550 and forming a closed loop, the first secondary connection block 510 fixedly disposed on the support structure 100 and acting on a first position of the secondary timing belt 530, and the second secondary connection block 520 fixedly connected with the secondary transmission assembly 300 and acting on a second position of the secondary timing belt 530.

It may be appreciated that the first secondary driven wheel 540 and the second secondary driven wheel 550 are rotatably disposed through a rotating shaft, the first secondary driven wheel 540 and the second secondary driven wheel 550 are driven by the second synchronous belt 530 to be selected, the first secondary connection block 510 is fixedly disposed in a first direction, so that when the primary transmission assembly 200 moves, the relative position of the first secondary connection block 510 can be changed, based on the manner in which the first secondary connection block 510 acts on the second synchronous belt 530, the primary transmission assembly 200 can move to drive the second synchronous belt 530, meanwhile, the second secondary connection block 520 is fixedly connected with the second transmission assembly 300, and the second secondary connection block 520 is driven to move based on the action of the second synchronous belt 530, thereby realizing the effect of driving the second transmission assembly 300 and completing the action of stroke amplification.

In some embodiments of the present utility model, referring specifically to fig. 1 and 4, the secondary transport assembly 300 includes a secondary transport plate 310, a support block 320, and a positioning member 330, the support block 320 being fixedly disposed on the secondary transport plate 310 and adapted to support the carrier 800, and the positioning member 330 being disposed on the support block 320 and adapted to position the carrier 800. It can be appreciated that the bottom surface of the secondary transmission plate 310 is arranged on the secondary transmission guide rail 210 in a sliding manner, the surface of the secondary transmission plate 310 is used for installing the supporting block 320, the supporting block 320 is installed at a specific position on the surface of the secondary transmission plate 310 according to the use requirement, the supporting block 320 is designed to be a structure capable of realizing a good supporting effect, and the positioning piece 330 is arranged at the specific position of the supporting block 320, so that the position deviation of the deep hole plate in the transferring process can be avoided by utilizing the positioning piece 330, and the situation of uncertainty of the position when the deep hole plate is grabbed later is avoided. Specifically, the positioning member 330 includes four positioning pins, and the four positioning pins are added on the supporting block 320 by using the characteristic that the back of the deep hole plate has a circular hole, and the positions of the deep hole plate are positioned by matching a plurality of positioning pins, so that the accuracy of the placement position is ensured.

In some embodiments of the present utility model, and with particular reference to fig. 3, a support 700 is provided on at least one of the end of the support structure 100 or the end of the primary transport assembly 200. It will be appreciated that the support 700 serves to avoid the problem of sagging of the transfer plate due to the excessive weight of the object carried by the top end. More specifically, the end of the support structure 100 and the end of the primary transmission assembly 200 are each provided with a support 700, and the support 700 may be provided as a specific structure such as a support block or a support bearing.

It should be noted that, referring to fig. 1 to 4, the primary driving wheel 421 is driven by the driving motor 410 to drive the primary synchronous belt 423, the primary synchronous belt 423 is connected with the primary transmission block 424, the primary transmission block 424 is fixed on the primary transmission assembly 200, the primary transmission rail 110 is also connected and fixed on the support structure 100, so that the primary transmission assembly 200 is driven to move forward by the driving motor 410, the first secondary connection block 510 is mounted on the support structure 100, the first secondary connection block 510 is connected and fixed with the first secondary driven wheel 540 and the second secondary synchronous belt 530 on the second secondary driven wheel 550 in the primary transmission assembly 200, the second secondary connection block 520 is connected and fixed on the secondary synchronous belt 530, the secondary transmission plate 310 is fixed on the secondary transmission plate 310, the deep hole plate is placed on the support block 320, and thus the transmission of the deep hole plate is realized, when the driving motor 410 drives the primary transmission assembly 200 to move forward by X distance, the secondary synchronous belt 530 on the primary transmission assembly 200 is also driven to move forward by X distance, thus the total distance of 2X forward is formed.

More specifically, referring to fig. 1 and 2, the primary transmission telescoping operation is as follows: when the extension motion is performed, the driving motor 410 rotates forward to drive the primary driving wheel 421 and the primary driven wheel 422 to rotate to drive the primary synchronous belt 423 to rotate, the primary synchronous belt 423 is fixed with the primary transmission block 424, the primary transmission block 424 and the primary transmission assembly 200 are fixed together, the primary synchronous belt 423 rotates forward to drive the primary transmission assembly 200 to extend forward, and when the motor rotates reversely, the primary transmission retraction is realized in the same way.

The second-level transmission expansion working process comprises the following steps: when the primary transmission assembly 200 moves forwards, one end of the first secondary connection block 510 is fixed on the supporting structure 100, the other end of the first secondary connection block is fixed on the secondary synchronous belt 530, one end of the second secondary connection block 520 is fixed on the secondary synchronous belt 530, and the other end of the second secondary connection block is fixed on the secondary transmission plate 310, when the primary transmission assembly 200 moves forwards, the secondary synchronous belt 530 is driven to rotate forwards, and accordingly the secondary transmission plate 310 is driven to move forwards, and when the motor rotates reversely, the secondary transmission is similarly retracted.

Referring to fig. 1 to 4, the transfer apparatus according to the second aspect of the present utility model may be an apparatus for transferring a carrier 800, such as a microplate, a deep well plate, etc., containing a sample when detecting the sample in a biochemical test chamber, and the transfer apparatus may include the transfer mechanism according to the first aspect of the present utility model, which is capable of performing long-stroke transfer in a narrow space while precisely determining the position of the tip, and thus the transfer apparatus adopting the above-described structure may be smaller, have higher accuracy of operation, and be convenient to use.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A transport mechanism for transporting a carrier (800) in a first direction, comprising:

a support structure (100);

-a primary transport assembly (200) movably arranged on the support structure (100) along the first direction;

a secondary transport assembly (300) movably disposed on the primary transport assembly (200) along the first direction;

the secondary synchronous belt transmission assembly (500) is arranged between the primary transmission assembly (200) and the secondary transmission assembly (300), and the primary transmission assembly (200) drives the secondary transmission assembly (300) to move through the secondary synchronous belt transmission assembly (500);

a driving component (400) arranged on the supporting structure (100), wherein the driving component (400) is used for driving the primary transmission assembly (200) to move; and

and the detection assembly (600) is arranged on the supporting structure (100), and the detection assembly (600) is used for detecting the moving distance of the secondary transmission assembly (300).

2. The transport mechanism as recited in claim 1, wherein: the detection assembly (600) comprises an origin switch (610) and a detection baffle (620), wherein the origin switch (610) is fixedly arranged on the supporting structure (100), and the detection baffle (620) is matched with the origin switch (610) and used for determining the initial position of the driving component (400).

3. The transport mechanism as recited in claim 1, wherein: the driving component (400) comprises a driving motor (410) and a primary synchronous belt transmission assembly (420), and the driving motor (410) drives the primary transmission assembly (200) to move through the primary synchronous belt transmission assembly (420).

4. A transmission mechanism according to claim 3, wherein: the primary synchronous belt transmission assembly (420) comprises a primary driving wheel (421), a primary driven wheel (422), a primary synchronous belt (423) and a primary transmission block (424), wherein the primary driving wheel (421) is connected with a driving motor (410), the primary driven wheel (422) is rotatably arranged on the supporting structure (100), the primary synchronous belt (423) is wound on the primary driving wheel (421) and the primary driven wheel (422) to form a closed loop, the primary transmission block (424) is fixedly connected with the primary transmission assembly (200), and the primary transmission block (424) acts on the primary synchronous belt (423) so that the primary synchronous belt (423) can drive the primary transmission assembly (200) to move.

5. A transmission mechanism according to claim 3, wherein: the support structure (100) is provided with a primary transmission guide rail (110), the primary transmission guide rail (110) extends along the first direction, and the primary transmission assembly (200) is slidably arranged on the primary transmission guide rail (110).

6. The transport mechanism as recited in claim 1, wherein: the secondary synchronous belt transmission assembly (500) comprises a first secondary connection block (510), a second secondary connection block (520), a secondary synchronous belt (530), a first secondary driven wheel (540) and a second secondary driven wheel (550), the first secondary driven wheel (540) and the second secondary driven wheel (550) are rotatably arranged on the primary transmission assembly (200), the secondary synchronous belt (530) is wound on the first secondary driven wheel (540) and the second secondary driven wheel (550) to form a closed loop, the first secondary connection block (510) is fixedly arranged on the supporting structure (100) and acts on a first position of the secondary synchronous belt (530), and the second secondary connection block (520) is fixedly connected with the secondary transmission assembly (300) and acts on a second position of the secondary synchronous belt (530).

7. The transport mechanism as recited in claim 6, wherein: the primary transmission assembly (200) is provided with a secondary transmission guide rail (210), the secondary transmission guide rail (210) extends along the first direction, and the secondary transmission assembly (300) is slidably arranged on the secondary transmission guide rail (210).

8. The transport mechanism as recited in claim 1, wherein: the secondary transmission assembly (300) comprises a secondary transmission plate (310), a bearing block (320) and a positioning piece (330), wherein the bearing block (320) is fixedly arranged on the secondary transmission plate (310) and used for bearing the carrier (800), and the positioning piece (330) is arranged on the bearing block (320) and used for positioning the carrier (800).

9. The transport mechanism as recited in claim 1, wherein: at least one of the end of the support structure (100) or the end of the primary transport assembly (200) is provided with a support (700).

10. A transfer apparatus, comprising: a transport mechanism as claimed in any one of claims 1 to 9.