CN217515999U - Lifting conveying device - Google Patents

Abstract

The application relates to a lifting conveying device; the device comprises a first scissor lifting assembly, a second scissor lifting assembly and a driving assembly; the driving component comprises a driving motor and a double-row driving chain wheel; the first scissor lifting assembly comprises a first transmission chain wheel and a first transmission chain; the second scissor lifting assembly comprises a second transmission chain wheel and a second transmission chain; one end of the first transmission chain is connected with the double-row driving chain wheel, and the other end of the first transmission chain is connected with the first transmission chain wheel; one end of the second transmission chain is connected with the double-row driving chain wheel, and the other end of the second transmission chain is connected with the second transmission chain wheel; the driving motor is used for providing power output for the first transmission chain and the second transmission chain simultaneously through the double-row driving chain wheel. The scheme that this application provided can cut fork lifting unit to first scissors fork lifting unit and second with power synchronous transmission to drive first scissors fork lifting unit and second and cut fork lifting unit and carry out synchronous rectilinear lifting motion in vertical direction, realize the synchronous lift of material both sides.

Description

Lifting conveying device

Technical Field

The application relates to the technical field of lifting and conveying, in particular to a lifting and conveying device.

Background

In the related technology, with the gradual and powerful manufacturing industry in China, the automatic transformation development becomes the main trend of the development of each large manufacturing industry, and each large enterprise gradually reduces the dependence on manual operation by optimizing the layout of a production line, adjusting personnel allocation and introducing automatic equipment so as to reduce the labor cost, improve the production efficiency and realize automatic production.

At the present stage, automatic production equipment is introduced into each production line body of each large air conditioner company in China, but manual operation is still needed on the production assembly line of the air conditioner condenser fin, after the fin of the air conditioner condenser is formed by stamping equipment in a stamping mode, the whole stack of fins needs to be turned over from the stamping equipment manually, and then the fins are taken down and carried to other line bodies, in the process, the manual operation is complex, the labor intensity is high, time and labor are wasted, the improvement of the production efficiency is severely restricted, and the development of production automation is hindered.

Therefore, in order to improve the automatic production efficiency, when the lifting device with two scissor lifting assemblies is used for lifting materials (such as fins), how to avoid the problem that the materials are inclined and fall (such as fin falling or fin falling) due to the asynchronism of the two scissor lifting assemblies is solved.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique, this application provides a lift conveyor, this lift conveyor can cut fork lifting unit to first scissors fork lifting unit and second with power synchronous transmission to drive first scissors fork lifting unit with fork lifting unit carries out synchronous rectilinear lift motion in vertical direction is cut to the second, realizes the synchronous lift in material both sides, has avoided not leading to dropping or the problem of back chipping because of the material (like the fin) both sides focus that the asynchronous lift in elevating gear both sides caused on same horizontal plane.

The application provides a lifting conveying device which comprises a first scissor lifting assembly, a second scissor lifting assembly and a driving assembly; the driving assembly comprises a driving motor and a double-row driving chain wheel; the first scissor lifting assembly comprises a first transmission chain wheel and a first transmission chain; the second scissor lifting assembly comprises a second transmission chain wheel and a second transmission chain; one end of the first transmission chain is connected with the double-row driving chain wheel, and the other end of the first transmission chain is connected with the first transmission chain wheel; one end of the second transmission chain is connected with the double-row driving chain wheel, and the other end of the second transmission chain is connected with the second transmission chain wheel; the driving motor is used for simultaneously providing power output for the first transmission chain and the second transmission chain through the double-row driving chain wheel.

In one embodiment, wherein a scissor lift assembly comprises a top end bracket, a bottom end bracket, and a lift scissor bracket; one end of the lifting scissor bracket is connected with the top end bracket, and the other end of the lifting scissor bracket is connected with the bottom end bracket; and the bottom end support is provided with a transmission nut structure, and the transmission nut structure is respectively connected with the transmission chain wheel and the lifting scissors fork support and is used for transmitting the power on the transmission chain wheel to the lifting scissors fork support.

In one embodiment, the first scissors lifting assembly comprises a first horizontal conveying rack and a first conveying belt, and the second scissors lifting assembly comprises a second horizontal conveying rack and a second conveying belt; wherein, a horizontal conveying rack is arranged above the top end bracket; a first rolling roller and a second rolling roller are arranged on one horizontal conveying rack, the first rolling roller is connected with one end of the one horizontal conveying rack through a roller bearing, and the second rolling roller is connected with the other end of the one horizontal conveying rack through a tensioning fixing plate; the servo motor is connected with the first rolling roller through a driving rotating shaft; the first rolling roller and the second rolling roller are connected through the first conveying belt or the second conveying belt.

In one embodiment, the device further comprises a fin overturning device; the first scissor lifting assembly and the second scissor lifting assembly are arranged on two sides of the fin turnover device in parallel; the first conveying belt and the second conveying belt form a fin conveying plane; the fin overturning device is used for overturning the fins, and the overturned fins are placed on the fin transmission plane.

In one embodiment, the lifting scissor mount comprises an inner scissor mount and an outer scissor mount; the top end support and the bottom end support further comprise a bearing with a seat and a linear sliding rail; one end of the inner scissor bracket is connected with the bearing with the seat on the bottom bracket, and the other end of the inner scissor bracket is connected with the slide block of the linear slide rail on the top bracket; one end of the outer scissor bracket is connected with the bearing with the seat on the top bracket, and the other end of the outer scissor bracket is connected with the slide block of the linear slide rail on the bottom bracket.

In one embodiment, the scissor lifting assembly further comprises a descending limiting block, one end of the descending limiting block is disposed on the bottom end support, and the other end of the descending limiting block faces the top end support.

In one embodiment, the one scissor lift assembly further comprises a nut sensor disposed on the bottom bracket.

In one embodiment, the driving assembly further comprises a motor mounting plate and a chain tensioning wheel, and the chain tensioning wheel is arranged on the motor mounting plate and is abutted against the first transmission chain and the second transmission chain respectively.

In one embodiment, the scissor lift assembly comprises a pin and oilless bushings, the oilless bushings are respectively disposed on the inner scissor bracket and the outer scissor bracket and connected to both ends of the pin; the inner scissor bracket and the outer scissor bracket are hinged through a pin shaft.

In one embodiment, the distance between the first scissor lift assembly and the second scissor lift assembly is less than the width of the short side of the fin.

The technical scheme provided by the application can comprise the following beneficial effects: the lifting conveying device comprises a first scissor lifting assembly, a second scissor lifting assembly and a driving assembly; the first scissor lifting assembly comprises a first transmission chain wheel and a first transmission chain; the second scissor lifting assembly comprises a second transmission chain wheel and a second transmission chain; the driving component comprises a driving motor and a double-row driving chain wheel; when the driving motor is started, the driving motor drives the double-row driving chain wheel to rotate, power is synchronously transmitted to the first transmission chain and the second transmission chain which are connected with the double-row driving chain wheel through the double-row driving chain wheel, because the first transmission chain is connected with the first transmission chain wheel of the first scissors lifting assembly, the second transmission chain is connected with the second transmission chain wheel of the second scissors lifting assembly, the power can be synchronously transmitted to the first scissor lifting assembly and the second scissor lifting assembly through the first transmission chain and the second transmission chain, thereby drive first scissor lifting unit with second scissor lifting unit carries out synchronous rectilinear lifting motion in vertical direction, realizes the synchronous lift in material both sides, has avoided because of the asynchronous lift in elevating gear both sides causes material (like the fin) both sides focus not on same horizontal plane and lead to the problem that drops or fall the piece.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

Fig. 1 is a schematic structural diagram of an elevating conveyor according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a drive assembly according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a scissor lift assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a horizontal conveying structure according to an embodiment of the present application;

FIG. 5 is a top view of an elevating conveyor shown in an embodiment of the present application;

fig. 6 is a schematic structural diagram of the lifting conveying device before the fin is turned over in the embodiment of the application;

FIG. 7 is a schematic structural diagram of a lifting and conveying device in fin overturning according to an embodiment of the present application;

FIG. 8 is a schematic structural diagram of the lifting and conveying device after the fins are turned over according to the embodiment of the application;

fig. 9 is a schematic structural view of a conveying fin of a horizontal conveying structure shown in an embodiment of the present application.

Reference numerals:

1. a first scissor lift assembly; 11. a first drive sprocket; 12. a first drive chain; 13. a top end bracket; 14. a bottom end bracket; 15. a lifting scissor bracket; 151. an inner scissor bracket; 152. an outer scissor bracket; 161. a transmission screw rod; 162. a transmission screw nut; 17. a mounted bearing; 18. a linear slide rail; 19. a slider; 110. supporting the connecting block; 111. a descending limiting block; 112. a nut sensor; 113. a pin shaft; 114. an oilless bushing; 115. supporting the connecting shaft; 116. a lifting limiting block; 2. a second scissor lift assembly; 21. a second drive sprocket; 22. a second drive chain; 3. a drive assembly; 31. a drive motor; 32. a double row drive sprocket; 33. a motor mounting plate; 34. a chain tensioner; 4. a fin turnover device; 51. a first horizontal conveyor frame; 52. a servo motor; 53. driving the rotating shaft; 54. a first conveyor belt; 55. a first rolling roller; 56. a second rolling roller; 57. a roller bearing; 571. a tension wheel; 572. a belt adjusting bolt; 58. tensioning the fixing plate; 59. tensioning the adjusting bolt; 510. a second horizontal conveyor frame; 511. a second conveying belt; 6. and a fin.

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

At present, still need manual work on the production assembly line of air conditioner condenser fin, after the fin of air conditioner condenser is by stamping equipment stamping forming, need artifical manual whole upset of whole buttress fin from stamping equipment, then take off and carry to other line bodies on, this in-process, manual operation is loaded down with trivial details, high labor strength, waste time and energy, the promotion of production efficiency has seriously been restricted, production automation's development has been hindered, in order to assist automated production equipment, when using the elevating gear lift material (like the fin) that has two scissor lift assemblies, the fin is very easy because of the asynchronous problem that goes up and down and cause the landing or fall the piece of two scissor lift assemblies.

To above-mentioned problem, this application embodiment provides a lift conveyor, can assist automated production equipment, cuts fork lifting unit to first scissors fork lifting unit and second with power synchronous transmission to drive first scissors fork lifting unit with fork lifting unit carries out synchronous rectilinear lifting motion in vertical direction is cut to the second, realizes the synchronous lift of material both sides.

The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Example one

Referring to fig. 1, fig. 1 is a schematic structural diagram of a lifting and conveying device according to an embodiment of the present application.

The lifting conveying device comprises a first scissor lifting assembly 1, a second scissor lifting assembly 2 and a driving assembly 3; the first scissor lifting assembly 1 comprises a first transmission chain wheel 11 and a first transmission chain 12; the second scissors lifting assembly 2 comprises a second transmission chain wheel 21 and a second transmission chain 22.

Referring to fig. 2, the driving assembly 3 includes a driving motor 31, a double-row driving sprocket 32, a motor mounting plate 33 and a chain tensioner 34; the driving motor 31 is arranged at one side of the motor mounting plate 33 and is connected with the double-row driving chain wheel 32 through a driving shaft; the chain tensioning wheel 34 is disposed on the motor mounting plate 33, and specifically, the chain tensioning wheel 34 is disposed on the opposite side of the driving motor 31 and is respectively abutted against the first transmission chain 12 and the second transmission chain 22, so as to adjust the tensioning degree of the first transmission chain 12 and the second transmission chain 22, and prevent the first transmission chain 12 and the second transmission chain 22 from falling off in the operation process.

One end of the first transmission chain 12 is connected with the double-row driving sprocket 32, and the other end is connected with the first transmission sprocket 11; one end of the second transmission chain 22 is connected with the double-row driving sprocket 32, and the other end is connected with the second transmission sprocket 21; the drive motor 31 is configured to simultaneously provide power output to the first drive chain 12 and the second drive chain 22 via the dual-row drive sprocket 32.

In this embodiment, through the lift conveyor that this application provided, when opening driving motor, the double drive sprocket of driving motor drive rotates, through double drive sprocket with power synchronous transmission extremely rather than being connected first drive chain with second drive chain, because first drive chain is connected with first drive sprocket of cutting fork lifting unit, second drive chain is connected with the second drive sprocket of cutting fork lifting unit with the second, through first drive chain with second drive chain can cut fork lifting unit and second with power synchronous transmission to first fork lifting unit and the fork lifting unit of cutting, thereby drive first cut fork lifting unit with the second cuts fork lifting unit and carries out synchronous linear lifting motion in vertical direction, realizes that the material both sides go up and down in step, has avoided because of the material (like the fin) both sides focus that the asynchronous lift of elevating gear both sides caused not leading to on same horizontal plane and fall or fall The problem of rewinding.

Example two

On the basis of the structure of the first embodiment, the following technical solution can be specifically adopted to realize the lifting of the lifting conveying device, and please refer to fig. 1 to 3, which specifically includes:

the first scissor lifting assembly 1 and the second scissor lifting assembly 2 are of the same structure, as shown in fig. 3, wherein one scissor lifting assembly comprises a top end bracket 13, a bottom end bracket 14 and a lifting scissor bracket 15; one end of the lifting scissor bracket 15 is connected with the top end bracket 13, and the other end is connected with the bottom end bracket 14.

The top end bracket 13 and the bottom end bracket 14 further comprise a bearing with a seat 17 and a linear slide rail 18; one end on the bottom end support 14 is provided with a transmission screw structure, the transmission screw structure is respectively connected with a transmission chain wheel and the lifting scissor support 15 and is used for transmitting power on the transmission chain wheel to the lifting scissor support 15, concretely, the transmission screw structure comprises a transmission screw 161 and a transmission screw 162, one end of the transmission screw 161 is connected with the transmission chain wheel, the other end of the transmission screw is connected with the transmission screw 162, the transmission screw 162 is connected with a supporting and connecting block 110 through a supporting and connecting shaft 115, the supporting and connecting block 110 is arranged on the linear slide rail 18 and is connected with a slide block 19 on the linear slide rail 18, and the lifting scissor support 15 is connected with the slide block 19.

The lifting scissor bracket 15 comprises an inner scissor bracket 151 and an outer scissor bracket 152; one end of the inner scissor bracket 151 is connected with the mounted bearing 17 on the bottom end bracket 14, and the other end is connected with the slide block 19 on the linear slide rail 18 on the top end bracket 13 through the support connecting block 110; one end of the outer scissor bracket 152 is connected with the bearing 17 with a seat on the top end bracket 13, and the other end is connected with the slide block 19 of the linear slide rail 18 on the bottom end bracket 14 through the supporting and connecting block 110.

The scissor lifting assembly further comprises a pin shaft 113 and an oilless bushing 114, wherein the oilless bushing 114 is respectively arranged on the inner scissor bracket 151 and the outer scissor bracket 152 and is connected with two ends of the pin shaft 113; the inner scissor bracket 151 and the outer scissor bracket 152 are hinged by a pin 113.

In order to record the position of the lifting conveying device in the vertical direction, the scissor fork lifting assembly further comprises a nut sensor 112, the nut sensor 112 is arranged on the bottom end support 14, specifically, an induction sheet of the nut sensor 112 is connected with the supporting and connecting block 110, and the position of the lifting conveying device in the vertical direction can be recorded by driving a moving position of the sliding block 19 through a transmission nut 162.

Because the scissor lifting assembly has a higher speed in the vertical direction in the operation process, the situation of over-travel use caused by braking delay can occur, and the damage probability of equipment is improved; therefore, the scissor lifting assembly provided by the present application further includes a descending limiting block 111 and an ascending limiting block 116, one end of the descending limiting block 111 is disposed on the bottom end bracket 14, and the other end faces the top end bracket 13, and is configured to abut against the top end bracket 13 when the scissor lifting assembly descends to the lowest position, so as to prevent the scissor lifting assembly from descending further; the ascending limiting block 116 is disposed at one end of the linear slide rail 18, and is configured to abut against the supporting connection block 110 when the scissor lifting assembly ascends to the highest position, so as to prevent the scissor lifting assembly from continuously ascending.

In this application embodiment, through setting up the transmission screw structure respectively with drive sprocket with lift scissors support is connected, when drive sprocket rotates, the transmission lead screw with power transmission extremely on the transmission screw for the transmission screw carries out horizontal migration, drive with the support connecting block that the transmission screw is connected removes, and then drive with the slider that the support connecting block is connected removes, drives through the slider lift scissors support motion, through mutually supporting of each part, can with power transmission on the transmission sprocket extremely on the lift scissors support, thereby realize the lift of material.

EXAMPLE III

At present, after the fin stamping forming, need artifical manual taking off and carrying other line bodies with whole pile of piles of fin from stamping equipment on, at this in-process, artifical intensity of labour is big, wastes time and energy, has seriously restricted production efficiency's promotion, in order to solve above-mentioned problem, this application has proposed corresponding scheme, please refer to fig. 1-4, specifically do:

on the basis of the structure of the above embodiment, the first scissors lifting assembly 1 includes a first horizontal conveying frame 51 and a first conveying belt 54, and the second scissors lifting assembly 2 includes a second horizontal conveying frame 510 and a second conveying belt 511.

One horizontal conveying rack is arranged above the top end support 13 and connected with the top end support 13, a first rolling roller 55 and a second rolling roller 56 are arranged on the one conveying rack, the first rolling roller 55 is connected with one end of the one conveying rack through a roller bearing 57, the second rolling roller 56 is connected with the other end of the one conveying rack through a tensioning fixing plate 58, and a tensioning adjusting bolt 59 is arranged on the tensioning fixing plate 58 and used for adjusting the tensioning degree of the second rolling roller 56.

The lifting conveying device further comprises a servo motor 52, wherein the servo motor 52 is connected with a first rolling roller 55 through a driving rotating shaft 53, specifically, the servo motor 52 is fixed on the top end support 13 through a motor positioning plate, the driving rotating shaft 53 penetrates through the servo motor 52 and is connected with the servo motor 52, two ends of the driving rotating shaft 53 are connected with the first rolling roller 55, and the power of the servo motor 52 is transmitted to the first rolling roller 55 through the driving rotating shaft 53; the first rolling roller 55 and the second rolling roller 56 are connected through the first conveying belt 54 or the second conveying belt 511, and the power of the first rolling roller 55 is transmitted to the second rolling roller 56 through the first conveying belt 54 and the second conveying belt 511, so that the horizontal transportation of the materials is realized.

In order to prevent the first conveyor belt 54 or the second conveyor belt 511 from falling during transportation, a tension pulley 571 and a belt adjusting bolt 572 are provided on the roller bearing 57, and the degree of tension of the first conveyor belt 54 or the second conveyor belt 511 is adjusted by the mutual engagement between the tension pulley 571 and the belt adjusting bolt 572, and at the same time, the wrap angle of the first conveyor belt 54 or the second conveyor belt 511 on the first rolling roller 55 can be increased, and the friction between the first conveyor belt 54 or the second conveyor belt 511 and the first rolling roller 55 can be increased.

In this application embodiment, when the servo motor is driven, through with the drive pivot that servo motor is connected, will servo motor's power transmission to with the drive pivot is connected on the first rolling cylinder, the rethread first conveyor belt or second conveyor belt will power transmission on the first rolling cylinder is to on the second rolling cylinder to realize horizontal transport of horizontal transport mechanism, can replace the manual work to carry to other line bodies like this, reduced artificial intensity of labour, improved production efficiency.

Example four

At present, in order to cooperate with automatic production equipment, after fin stamping forming, fin overturning can be realized through a fin overturning device, and then the fin can be transported to other line bodies through a conveying device, in the process, because the fin overturning device and the conveying device belong to two mutually independent devices, the occupied space is large, in order to solve the above problems, the application provides a corresponding scheme, please refer to fig. 5-9, specifically:

on the basis of the above embodiment, the lifting and conveying device of the present application further includes a fin turnover device 4; the first scissor lifting assembly 1 and the second scissor lifting assembly 2 are arranged on two sides of the fin turnover device 4 in parallel, that is, the fin turnover device 4 is arranged between the first scissor lifting assembly 1 and the second scissor lifting assembly 2, and the first conveying belt 54 and the second conveying belt 511 form a fin conveying plane; the fin overturning device 4 is used for overturning the fin 6 and placing the overturned fin 6 on the fin transmission plane; the distance between the first scissor lifting assembly 1 and the second scissor lifting assembly 2 is smaller than the width of the short side of the fin 6.

As shown in fig. 6 to 9, when the lifting conveyor is at the lowest position, the fin turnover device 4 turns over the fin 6 at an angle of 90 degrees, so that the fin 6 is turned over from the vertical state to the horizontal state. Then, the driving motor 31 starts to drive the first scissors lifting assembly 1 and the second scissors lifting assembly 2 to synchronously lift until the first conveying belt 54 and the second conveying belt 511 contact the lower bottom surface of the fin 6 and lift the fin 6 off the fin turnover device 4, the driving motor 31 stops driving, at this time, the servo motor 52 starts to drive the first conveying belt 54 and the second conveying belt 511 to operate, and the fin 6 of the first conveying belt 54 and the second conveying belt 511 is transported to other line bodies, so that the horizontal transportation of the fin 6 is realized.

In this application embodiment, through with first scissors lifting unit with second scissors lifting unit parallel arrangement in fin turning device's both sides can realize the upset and the transportation of fin in the space of minimum, have not only reduced artificial intensity of labour, still are favorable to saving space, improve workshop's space utilization.

The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application, and that the modules in the apparatus according to the embodiments of the present application may be combined, divided, and eliminated according to actual needs.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A lifting conveying device is characterized by comprising a first scissor lifting assembly (1), a second scissor lifting assembly (2) and a driving assembly (3);

the driving assembly (3) comprises a driving motor (31) and a double-row driving chain wheel (32);

the first scissor lifting assembly (1) comprises a first transmission chain wheel (11) and a first transmission chain (12); the second scissors lifting assembly (2) comprises a second transmission chain wheel (21) and a second transmission chain (22);

one end of the first transmission chain (12) is connected with the double-row driving chain wheel (32), and the other end is connected with the first transmission chain wheel (11); one end of the second transmission chain (22) is connected with the double-row driving chain wheel (32), and the other end of the second transmission chain is connected with the second transmission chain wheel (21);

the drive motor (31) is used for simultaneously providing power output for the first transmission chain (12) and the second transmission chain (22) through the double-row drive chain wheel (32).

2. The elevating conveyor as claimed in claim 1,

wherein, one scissor lifting assembly comprises a top end bracket (13), a bottom end bracket (14) and a lifting scissor bracket (15);

one end of the lifting scissor bracket (15) is connected with the top end bracket (13), and the other end of the lifting scissor bracket is connected with the bottom end bracket (14);

and a transmission nut structure is arranged on the bottom end support (14), and is respectively connected with a transmission chain wheel and the lifting scissors fork support (15) and used for transmitting power on the transmission chain wheel to the lifting scissors fork support (15).

3. The elevating conveyor as claimed in claim 2,

the first scissor lifting assembly (1) comprises a first horizontal conveying rack (51) and a first conveying belt (54), and the second scissor lifting assembly (2) comprises a second horizontal conveying rack (510) and a second conveying belt (511);

wherein a horizontal conveyor frame is arranged above the top end bracket (13); a first rolling roller (55) and a second rolling roller (56) are arranged on the horizontal conveying rack, the first rolling roller (55) is connected with one end of the horizontal conveying rack through a roller bearing (57), and the second rolling roller (56) is connected with the other end of the horizontal conveying rack through a tensioning fixing plate (58);

the device also comprises a servo motor (52), wherein the servo motor (52) is connected with the first rolling roller (55) through a driving rotating shaft (53); the first rolling roller (55) and the second rolling roller (56) are connected by the first conveyor belt (54) or the second conveyor belt (511).

4. The lifting conveyor according to claim 3, characterized by further comprising a fin upender (4);

the first scissor lifting assembly (1) and the second scissor lifting assembly (2) are arranged on two sides of the fin turnover device (4) in parallel;

the first conveyor belt (54) and the second conveyor belt (511) forming a fin transport plane;

the fin overturning device (4) is used for overturning the fins (6) and placing the overturned fins (6) on the fin transmission plane.

5. The elevating conveyor as claimed in claim 2,

the lifting scissor bracket (15) comprises an inner scissor bracket (151) and an outer scissor bracket (152);

the top end support (13) and the bottom end support (14) also comprise a bearing with a seat (17) and a linear slide rail (18);

one end of the inner scissor bracket (151) is connected with a bearing (17) with a seat on the bottom end bracket (14), and the other end of the inner scissor bracket is connected with a sliding block (19) of a linear sliding rail (18) on the top end bracket (13); one end of the outer scissor bracket (152) is connected with a bearing (17) with a seat on the top end bracket (13), and the other end is connected with a sliding block (19) of a linear sliding rail (18) on the bottom end bracket (14).

6. The elevating conveyor as claimed in claim 2,

the scissor lifting assembly further comprises a descending limiting block (111), one end of the descending limiting block (111) is arranged on the bottom end support (14), and the other end of the descending limiting block faces the top end support (13).

7. The elevating conveyor as claimed in claim 2,

the scissor lifting assembly further comprises a nut sensor (112), and the nut sensor (112) is arranged on the bottom end support (14).

8. The elevating conveyor as claimed in claim 1,

the driving assembly (3) further comprises a motor mounting plate (33) and a chain tensioning wheel (34), wherein the chain tensioning wheel (34) is arranged on the motor mounting plate (33) and is respectively connected with the first transmission chain (12) and the second transmission chain (22) in a butting mode.

9. The elevating conveyor as claimed in claim 5,

the scissor lifting assembly comprises a pin shaft (113) and an oilless bushing (114), wherein the oilless bushing (114) is respectively arranged on the inner scissor bracket (151) and the outer scissor bracket (152) and is connected with two ends of the pin shaft (113);

the inner scissor bracket (151) and the outer scissor bracket (152) are hinged through a pin shaft (113).

10. The elevating conveyor as claimed in claim 1,

the distance between the first scissor lifting assembly (1) and the second scissor lifting assembly (2) is smaller than the width of the short side of the fin (6).

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