CN212607903U

CN212607903U - Chain type lifting transfer machine

Info

Publication number: CN212607903U
Application number: CN202021413707.2U
Authority: CN
Inventors: 张爱辉; 张焕萍; 金海涛; 陈杰
Original assignee: Jiangsu Xinmeixing Logistics Technology Co ltd
Current assignee: Jiangsu Xinmeixing Logistics Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-26
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a chain formula goes up and down to move carries machine of carrying, include: frame, chain conveyor and roller conveying mechanism for carrying the goods, chain conveyor's structure is: the upper end of the rack is provided with two rotatable conveying chains, the conveying directions of the two conveying chains are the same, and the rack is also provided with a power mechanism for synchronously driving the two conveying chains to rotate; the structure of the roller conveying mechanism is as follows: the roller conveying mechanism unit is movably arranged in the rack between the two conveying chains, the conveying direction of the roller conveying mechanism unit is perpendicular to the conveying direction of the conveying chains, and a guide mechanism used for ensuring that the supporting frame keeps vertical lifting is arranged between the rack and the supporting frame; and a lifting mechanism for driving the support frame to move up and down is also arranged. The chain type lifting transfer machine has the advantages of low noise generated during operation, simple and convenient maintenance and operation and lower cost.

Description

Chain type lifting transfer machine

Technical Field

The utility model relates to a conveying equipment technical field, concretely relates to chain formula goes up and down to move carries machine of carrying.

Background

In modern logistics warehousing technology, an automated stereoscopic warehouse is widely used because of its advantage of being able to efficiently use space, time and manpower to realize the warehouse-in and warehouse-out of goods. In the actual operation process of the automatic stereoscopic warehouse, the goods are loaded and unloaded in the warehouse mainly through the automatic loading and unloading of the stacker and the automatic transportation of the conveyor line; the conveying line mainly comprises a plurality of criss-cross conveying line units, and two conveying line units generally have steering height difference corresponding to the elevation of goods at the crossed position, so that a lifting transfer machine is required to be arranged at the crossed position to complete the butt joint operation of steering transportation of the goods; the general lifting transfer machine mainly realizes the whole lifting process by directly driving the carrying platform through the air cylinder or the oil cylinder, but the lifting transfer machine has shorter lifting stroke and cannot adapt to the condition of overlarge steering height difference between conveying line units.

In order to increase the lifting stroke of the lifting transfer machine, a crank jacking transfer machine and a hydraulic scissor lifting transfer machine are researched and developed; among them, as the crank jacking transfer machine disclosed in chinese patent publication No. CN202144389U, the structure of the crank link mechanism for realizing the lifting process mainly includes: the left ends of the two connecting rods are vertically connected with one oscillating rod together, and the right ends of the two connecting rods are vertically connected with the other oscillating rod together; a pair of L-shaped cranks are respectively arranged at the left end and the right end of the base, the lower ends of each pair of L-shaped cranks are hinged at the end parts of two ends of a swing rod, the upper ends of each pair of L-shaped cranks are hinged on the bottom of the loading platform, the bent parts of each pair of L-shaped cranks are hinged on the base, the left swing rod is driven by a driving device, two L-shaped cranks on the left swing rod are driven to rotate around a hinged point with the base, and two L-shaped cranks on the right swing rod are driven to rotate around a hinged point with the base; however, in the process of operation of the crank jacking transfer machine, the crank is easily damaged due to long-time stress swing, the price of the crank is not very high, and the cost of an enterprise can be greatly increased by maintaining and replacing the crank.

The hydraulic scissors fork lifting transfer machine mainly pushes the scissors fork mechanical structure to be unfolded and folded through the extension and retraction of the oil cylinder, so that the lifting process of the carrying platform is realized; the lifting transfer machine has higher noise when in operation, and the oil cylinder is easy to have oil leakage, hydraulic ring damage and other faults after the lifting transfer machine is operated for a period of time, so that the working environment in the automatic stereoscopic warehouse is influenced, and the maintenance cost of enterprises is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chain formula lift moves machine of carrying that the running noise is little, the maintenance cost is low.

In order to achieve the above object, the utility model adopts the following technical scheme: chain formula lift moves machine of carrying includes: frame, chain conveyor and roller conveying mechanism for carrying the goods, chain conveyor's structure is: the front side and the rear side of the upper end of the rack are respectively provided with a rotatable conveying chain, the conveying directions of the two conveying chains are the same, the two conveying chains can jointly form a chain conveying surface for conveying goods, and a power mechanism for synchronously driving the two conveying chains to rotate is further arranged; the structure of the roller conveying mechanism is as follows: the roller conveying mechanism unit is movably arranged in the rack between the two conveying chains, the conveying direction of the roller conveying mechanism unit is perpendicular to the conveying direction of the conveying chains, and a guide mechanism used for ensuring that the supporting frame keeps vertical lifting is arranged between the rack and the supporting frame; still be provided with the elevating system who is used for driving the support frame to reciprocate, elevating system's structure includes: a driving shaft and a driven shaft are arranged at the left end and the right end of the support frame, and the driving shafts at the left side and the right side are driven by a power device arranged on the support frame to synchronously rotate; all be provided with a chain formula drive mechanism between the driving shaft of each side, driven shaft and frame, every chain formula drive mechanism's structure includes: the tail end of the driving shaft is provided with a first double-row chain wheel, the tail end of the driven shaft is provided with a second double-row chain wheel, and the axial leads of the first double-row chain wheel and the second double-row chain wheel are positioned at the same horizontal height; the upper end of the first transmission chain is fixed on the rack above the first double-row chain wheel, and the upper end of the second transmission chain is fixed on the rack above the second double-row chain wheel; the first transmission chain firstly vertically droops, then sequentially winds the front side and the bottom of the outer side chain wheel in the first double-row chain wheel, then sequentially winds the top and the rear side of the outer side chain wheel in the second double-row chain wheel backwards, continues to vertically droop, and the lower end of the first transmission chain is fixed on the rack below the second double-row chain wheel; the second transmission chain vertically droops, sequentially winds the rear side and the bottom of the inner side chain wheel in the second double-row chain wheel, then sequentially winds the top and the front side of the inner side chain wheel in the first double-row chain wheel forwards, continues to vertically droops, and is fixed on the rack below the first double-row chain wheel; the support frame is supported and suspended in the rack through two first transmission chains and two second transmission chains; during operation, the power device drives the two driving shafts and the two first double-row chain wheels to synchronously rotate forwards or reversely, and drives the two second double-row chain wheels to rotate around the direction opposite to the first double-row chain wheels through the two first transmission chains and the two second transmission chains on the left side and the right side, so that the first double-row chain wheels and the second double-row chain wheels synchronously and vertically lift, and the supporting frame achieves the lifting function.

Further, in the chain type lifting transfer machine, the power mechanism has a structure including: the upper end of the rack is provided with a rotating shaft which moves forwards and backwards and can rotate, and the rotating shaft is driven to rotate by a conveying chain driving motor arranged on the rack; the front end and the rear end of the rotating shaft are respectively and fixedly provided with a conveying main chain wheel, the front side and the rear side of the upper end of the rack are respectively provided with a conveying driven chain wheel capable of rotating, and the two conveying chains are respectively arranged on the conveying main chain wheel and the conveying driven chain wheel on the same side.

Further, the power device is a double-output shaft driving motor, two output shafts of the double-output shaft driving motor are respectively connected with one driving shaft, the two driving shafts are respectively and movably arranged in main bearing seats at the left end and the right end of the support frame, driven shafts are respectively arranged at the left end and the right end of the support frame, and the driven shafts at the left end and the right end of the support frame are respectively and movably arranged in the driven bearing seats at the left end and the right end of the support frame.

Further, the chain type lifting transfer machine comprises a guide mechanism having a structure that: a vertical guide rod is fixedly arranged on each of the front side and the rear side of the rack, a guide sleeve is fixedly arranged on each of the front side and the rear side of the support frame, and the two guide sleeves can move up and down along the corresponding guide rods respectively.

Further, the chain type lifting transfer machine, wherein the roller conveying mechanism unit has the structure that: a roller driving motor is arranged at the bottom of the supporting frame, a third double-row chain wheel is fixedly arranged on an output shaft of the roller driving motor, two adjacent roller groups are arranged at the upper end of the supporting frame (2) from front to back, each roller group consists of a plurality of conveying rollers which are sequentially arranged from front to back at intervals and can rotate, and all the conveying rollers can form a roller conveying surface for conveying goods; one end of each conveying roller is fixedly provided with a rotating double-row chain wheel, one chain wheel of each rotating double-row chain wheel in the same roller group is provided with a third transmission chain, and a fourth transmission chain is arranged between the other chain wheel of one rotating double-row chain wheel in each roller group and one chain wheel of the third double-row chain wheel.

Further, aforementioned chain formula lift moves machine of carrying, wherein, the left and right sides at the support frame upper end is provided with a spacing direction baffle respectively, and spacing direction baffle is higher than roller transport face, and when the goods was transported on carrying the roller, the outside surface energy of goods was spacing and the direction by two spacing direction baffles, and then prevented the skew direction of delivery who carries the roller of goods.

Further, aforementioned chain formula lift moves and carries machine, wherein, first drive chain all is provided with a chain fixing base with the upper end and the lower extreme of second drive chain, and every chain fixing base is fixed in on the frame.

The utility model has the advantages that: the chain type lifting transfer machine of the utility model generates less noise in the operation process, reduces noise pollution and effectively improves the working environment in the automatic stereoscopic warehouse; in addition, the chain type lifting transfer machine is simple and convenient to maintain and operate, low in maintenance cost and capable of greatly reducing the production cost of enterprises.

Drawings

Fig. 1 is a schematic view of a chain type lifting transfer machine according to the present invention.

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1.

Fig. 3 is a schematic top view of the structure of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, 2 and 3, the chain type lifting transfer machine includes: frame 1, chain convey mechanism and roller conveying mechanism for carrying the goods, chain convey mechanism's structure is: the front side and the rear side of the upper end of the rack 1 are respectively provided with a rotatable conveying chain 12, the conveying directions of the two conveying chains 12 are the same, the two conveying chains 12 can jointly form a chain conveying surface for conveying goods, and a power mechanism for synchronously driving the two conveying chains 12 to rotate is also arranged; the structure of the roller conveying mechanism is as follows: the activity sets up support frame 2 in frame 1 between two conveying chains 12 and sets up the roller conveying mechanism unit in support frame 2, and the direction of delivery of roller conveying mechanism unit and conveying chain 12's direction of delivery mutually perpendicular is provided with the guiding mechanism who is used for guaranteeing that support frame 2 keeps vertical lift between frame 1 and support frame 2, and in this embodiment, guiding mechanism's structure is: a vertical guide rod 17 is fixedly arranged on each of the front side and the rear side of the frame 1, a guide sleeve 18 is fixedly arranged on each of the front side and the rear side of the support frame 2, and the two guide sleeves 18 can respectively move up and down along the corresponding guide rod 17; still be provided with the elevating system who is used for driving support frame 2 to reciprocate, elevating system's structure includes: a driving shaft 3 and a driven shaft 4 are arranged at the left end and the right end of the support frame 2, and the driving shafts 3 at the left side and the right side are driven by power devices arranged on the support frame 2 to rotate synchronously; all be provided with a chain formula drive mechanism between the driving shaft 3 of each side, driven shaft 4 and frame 1, every chain formula drive mechanism's structure includes: a first double-row chain wheel 9 is arranged at the tail end of the driving shaft 3, a second double-row chain wheel 10 is arranged at the tail end of the driven shaft 4, and the axial leads of the first double-row chain wheel 9 and the second double-row chain wheel 10 are at the same horizontal height; the upper end of the first transmission chain 7 is fixed on the rack 1 above the first double-row chain wheel 9, and the upper end of the second transmission chain 8 is fixed on the rack 1 above the second double-row chain wheel 10; the first transmission chain 7 firstly vertically droops, then sequentially winds the front side and the bottom of the outer side chain wheel in the first double-row chain wheel 9, then sequentially winds the top and the rear side of the outer side chain wheel in the second double-row chain wheel 10 backwards, continues to vertically droops, and the lower end of the first transmission chain 7 is fixed on the rack 1 below the second double-row chain wheel 10; the second transmission chain 8 firstly hangs down vertically, then sequentially winds the rear side and the bottom of the inner side chain wheel in the second double-row chain wheel 10, then sequentially winds the top and the front side of the inner side chain wheel in the first double-row chain wheel 9 forwards and continues to hang down vertically, and the bottom of the second transmission chain 8 is fixed on the rack 1 below the first double-row chain wheel 9; the support frame 2 is supported and suspended in the rack 1 through two first transmission chains 7 and two second transmission chains 8 on the left side and the right side; in this embodiment, the upper ends and the lower ends of the first transmission chain 7 and the second transmission chain 8 are respectively provided with a chain fixing seat 15, each chain fixing seat 15 is fixed on the rack 1, the first transmission chain 7 and the second transmission chain 8 can be firmly fixed on the rack 1 through the chain fixing seats 15, and the risk that the first transmission chain 7 and the second transmission chain 8 are separated from the rack 1 due to stress is reduced; when the lifting device works, the power device drives the two driving shafts 3 and the two first double-row chain wheels 9 to synchronously rotate in the forward direction or the reverse direction, and drives the two second double-row chain wheels 10 to rotate around the direction opposite to the direction of the first double-row chain wheels 9 through the two first transmission chains 7 and the two second transmission chains 8, so that the first double-row chain wheels 9 and the second double-row chain wheels 10 synchronously and vertically lift, and the supporting frame 2 achieves the lifting function; when goods are transported on the two conveying chains 12, in order to not hinder the transportation of the goods, the supporting frame 2 is positioned below the two conveying chains 12, and when the goods are transported to the upper part of the supporting frame 2, the supporting frame 2 can move upwards through the lifting mechanism, so that the goods are supported by the roller conveying mechanism unit on the supporting frame 2 and move upwards, and then the goods can be continuously transported by the roller conveying mechanism unit; the chain type transmission mechanism generates less noise during operation, and can greatly reduce noise pollution.

As shown in fig. 1 and 2, in the present embodiment, each driving mechanism has a structure including: the structure of the power mechanism comprises: be provided with one in the upper end of frame 1 and move towards around, and can pivoted axis of rotation 11, axis of rotation 11 is rotatory by the conveying chain driving motor 14 drive that sets up in frame 1, and the mode of conveying chain driving motor 14 drive axis of rotation 11 has the multiple, and a comparatively convenient mode is: one end of the rotating shaft 11 is directly fixed on an output shaft of a conveying chain driving motor 14 to drive the rotating shaft 11 to rotate; a conveying main chain wheel 16 is fixedly arranged at the front end and the rear end of the rotating shaft 11 respectively, a conveying auxiliary chain wheel 26 capable of rotating is arranged at the front side and the rear side of the upper end of the frame 1 respectively, and the two conveying chains 12 are arranged on the conveying main chain wheel 16 and the conveying auxiliary chain wheel 26 at the same side respectively; in operation, the conveying chain driving motor 14 drives the rotating shaft 11 to rotate, so that the two conveying main chain wheels 16 on the rotating shaft 11 rotate, and further drives the two conveying chains 12 to rotate.

As shown in fig. 1 and 3, in the present embodiment, the power device is a dual output shaft driving motor 5, two output shafts of the dual output shaft driving motor 5 are respectively connected to one driving shaft 3, the two driving shafts 3 are respectively movably disposed in main bearing seats 6 located at left and right ends of the supporting frame 2, and driven shafts 4 at left and right ends of the supporting frame 2 are respectively movably disposed in driven bearing seats 24 located at left and right ends of the supporting frame 2; main bearing housing 6 and from bearing housing 24 can be fixed on support frame 2 through the bearing housing bedplate, has improved main bearing housing 6 and from bearing housing 24 the fastness on support frame 2.

As shown in fig. 1, 2 and 3, in the present embodiment, the structure of the roller conveying mechanism unit is: a roller driving motor 19 is arranged at the bottom of the support frame 2, a third double-row chain wheel 20 is fixedly arranged on an output shaft of the roller driving motor 19, two adjacent roller groups are arranged at the upper end of the support frame 2 from front to back, each roller group consists of a plurality of conveying rollers 21 which are sequentially arranged from front to back at intervals and can rotate, and all the conveying rollers 21 can form a roller conveying surface for conveying goods; one end of each conveying roller 21 is fixedly provided with a rotating double-row chain wheel 22, one chain wheel of each rotating double-row chain wheel 22 in the same roller group is provided with a third transmission chain 23, and a fourth transmission chain 25 is arranged between the other chain wheel of one rotating double-row chain wheel 22 in each roller group and one chain wheel of the third double-row chain wheel 20; in operation, the third duplex sprocket 20 drives the two fourth transmission chains 25 to synchronously rotate under the driving of the roller driving motor 19, so that one of the two roller sets rotates the duplex sprocket 22 to synchronously rotate, and further drives the two third transmission chains 23 to synchronously rotate, and the other two rotation duplex sprockets 22 in the two roller sets and the conveying rollers 21 synchronously rotate through the two third transmission chains 23.

As shown in fig. 1, in this embodiment, a limit guide baffle 13 is respectively disposed at the left and right sides of the upper end of the support frame 2, the limit guide baffle 13 is higher than the roller conveying surface, when goods are transported on the conveying roller 21, the outer side surface of the goods can be limited and guided by the two limit guide baffles 13, thereby preventing the goods from deviating from the conveying direction of the conveying roller 21.

The working principle of the utility model is as follows: when goods need to be transported on the chain type conveying mechanism, firstly, the roller conveying surface and the support frame 2 are not higher than the chain conveying surface so as not to hinder the conveying chain from conveying the goods, and then the conveying chain driving motor 14 is started to drive the two conveying chains 12 to rotate to convey the goods; when goods are conveyed to the upper part of the support frame 2 and need to be transferred by the roller conveying mechanism, firstly, the operation of the conveying chain 12 is stopped, then the double-output-shaft driving motor 5 is started, the two first double-row chain wheels 9 are driven by the driving shaft 3 to rotate respectively, and the two first transmission chains 7 and the two second transmission chains 8 drive the two second double-row chain wheels 10 to rotate around the direction opposite to the direction of the first double-row chain wheels 9, so that the support frame 2 synchronously moves upwards along with the two first double-row chain wheels 9 and the two second double-row chain wheels 10; when the conveying surface of the roller moves upwards along with the support frame 2 and is higher than the conveying surface of the chain, the conveying surface of the roller supports the goods, so that the goods move upwards along with the support frame 2; then, the roller conveying motor 19 is started, the two fourth transmission chains 25 rotate along with the third duplex chain wheel 20, so that the two rotating duplex chain wheels 22 connected with the two fourth transmission chains 25 synchronously rotate, the third transmission chains 23 in the two roller groups are driven to synchronously rotate, and the other rotating duplex chain wheels 22 in the two roller groups and the conveying rollers 21 synchronously rotate through the two third transmission chains 23 to continuously convey goods; after the goods are conveyed to the designated position, the supporting frame 2 moves downwards through the lifting mechanism until the roller conveying surface is lower than the lower part of the chain conveying surface until the conveying work of the chain conveying mechanism is not hindered.

The utility model has the advantages that: the chain type lifting transfer machine of the utility model generates less noise in the operation process, reduces noise pollution and effectively improves the working environment in the automatic stereoscopic warehouse; in addition, the chain type lifting transfer machine is simple in maintenance operation and low in maintenance cost, and the production cost of enterprises is greatly reduced.

Claims

1. Chain formula lift moves machine of carrying includes: frame (1), chain conveyor and roller conveying mechanism for carrying the goods, chain conveyor's structure is: the front side and the rear side of the upper end of the rack (1) are respectively provided with a rotatable conveying chain (12), the conveying directions of the two conveying chains (12) are the same, the two conveying chains (12) can jointly form a chain conveying surface for conveying goods, and a power mechanism for synchronously driving the two conveying chains (12) to rotate is further arranged; the structure of the roller conveying mechanism is as follows: the device comprises a support frame (2) movably arranged in a rack (1) between two conveying chains (12) and a roller conveying mechanism unit arranged in the support frame (2), wherein the conveying direction of the roller conveying mechanism unit is perpendicular to the conveying direction of the conveying chains (12), and a guide mechanism used for ensuring that the support frame (2) keeps vertical lifting is arranged between the rack (1) and the support frame (2); still be provided with the elevating system who is used for drive support frame (2) to reciprocate, its characterized in that: the structure of the lifting mechanism comprises: a driving shaft (3) and a driven shaft (4) are respectively arranged at the left end and the right end of the support frame (2), and the driving shafts (3) at the left side and the right side are driven by power devices arranged on the support frame (2) to synchronously rotate; all be provided with a chain formula drive mechanism between driving shaft (3), driven shaft (4) and frame (1) of every side, every chain formula drive mechanism's structure includes: a first double-row chain wheel (9) is arranged at the tail end of the driving shaft (3), a second double-row chain wheel (10) is arranged at the tail end of the driven shaft (4), and the axial leads of the first double-row chain wheel (9) and the second double-row chain wheel (10) are at the same horizontal height; the upper end of the first transmission chain (7) is fixed on the rack (1) above the first double-row chain wheel (9), and the upper end of the second transmission chain (8) is fixed on the rack (1) above the second double-row chain wheel (10); the first transmission chain (7) vertically droops firstly, then sequentially winds around the front side and the bottom of the outer side chain wheel in the first double-row chain wheel (9), then sequentially winds around the top and the rear side of the outer side chain wheel in the second double-row chain wheel (10) backwards, continues to vertically droop, and the lower end of the first transmission chain (7) is fixed on the rack (1) below the second double-row chain wheel (10); the second transmission chain (8) vertically sags firstly, then sequentially winds the rear side and the bottom of the inner side chain wheel in the second double-row chain wheel (10), then sequentially winds the top and the front side of the inner side chain wheel in the first double-row chain wheel (9) forwards, continues to vertically sag, and the bottom of the second transmission chain (8) is fixed on the rack (1) below the first double-row chain wheel (9); the support frame (2) is supported and suspended in the rack (1) through two first transmission chains (7) and two second transmission chains (8) on the left side and the right side.

2. The chain-type elevating transfer machine according to claim 1, wherein: the structure of the power mechanism comprises: the upper end of the rack (1) is provided with a rotating shaft (11) which moves forwards and backwards and can rotate, and the rotating shaft (11) is driven to rotate by a conveying chain driving motor (14) arranged on the rack (1); the front end and the rear end of the rotating shaft (11) are respectively and fixedly provided with a conveying main chain wheel (16), the front side and the rear side of the upper end of the rack (1) are respectively provided with a conveying auxiliary chain wheel (26) capable of rotating, and the two conveying chains (12) are respectively arranged on the conveying main chain wheel (16) and the conveying auxiliary chain wheel (26) on the same side.

3. The chain-type elevating transfer machine according to claim 1 or 2, characterized in that: the power device is a double-output-shaft driving motor (5), two output shafts of the double-output-shaft driving motor (5) are respectively connected with one driving shaft (3), the two driving shafts (3) are respectively and movably arranged in main bearing seats (6) positioned at the left end and the right end of the support frame (2), and driven shafts (4) at the left end and the right end of the support frame (2) are respectively and movably arranged in bearing seats (24) positioned at the left end and the right end of the support frame (2).

4. The chain-type elevating transfer machine according to claim 1 or 2, characterized in that: the structure of the guide mechanism is as follows: the front side and the rear side of the rack (1) are respectively and fixedly provided with a vertical guide rod (17), the front side and the rear side of the support frame (2) are respectively and fixedly provided with a guide sleeve (18), and the two guide sleeves (18) can respectively move up and down along the corresponding guide rod (17).

5. The chain-type elevating transfer machine according to claim 1 or 2, characterized in that: the roller conveying mechanism unit has the structure that: a roller driving motor (19) is arranged at the bottom of the support frame (2), a third double-row chain wheel (20) is fixedly arranged on an output shaft of the roller driving motor (19), two adjacent roller groups are arranged at the upper end of the support frame (2) from front to back, each roller group consists of a plurality of conveying rollers (21) which are sequentially arranged from front to back at intervals and can rotate, and all the conveying rollers (21) can form a roller conveying surface for conveying goods; one end of each conveying roller (21) is fixedly provided with a rotating double-row chain wheel (22), one chain wheel of each rotating double-row chain wheel (22) in the same roller group is provided with a third transmission chain (23), and a fourth transmission chain (25) is arranged between the other chain wheel of one rotating double-row chain wheel (22) in each roller group and one chain wheel of the third double-row chain wheel (20).

6. The chain-type elevating transfer machine according to claim 5, wherein: the left side and the right side of the upper end of the support frame (2) are respectively provided with a limiting guide baffle (13), the limiting guide baffles (13) are higher than the conveying surface of the roller, when goods are conveyed on the conveying roller (21), the outer side surface of the goods can be limited and guided by the two limiting guide baffles (13), and then the goods are prevented from deviating from the conveying direction of the conveying roller (21).

7. The chain-type elevating transfer machine according to claim 1 or 2, characterized in that: the upper ends and the lower ends of the first transmission chain (7) and the second transmission chain (8) are respectively provided with a chain fixing seat (15), and each chain fixing seat (15) is fixed on the rack (1).