CN114408464A - Vertical stocker for motorcycle wheel production line - Google Patents

Abstract

The invention relates to a vertical material storage machine for a motorcycle wheel production line, which belongs to the technical field of wheel production and comprises a machine body, wherein a feeding hole and a discharging hole for feeding and discharging wheel workpieces are formed on two opposite sides of the machine body, a horizontal conveying mechanism which extends from the feeding hole to the discharging hole and conveys the wheel workpieces from the feeding hole to the discharging hole is arranged in the machine body, a material storage mechanism which is located on the transverse outer side of the horizontal conveying mechanism and has a vertically stacked structure is also arranged in the machine body, the material storage mechanism comprises a plurality of lifting parts which are used for lifting the wheel workpieces located on the horizontal conveying mechanism one by one, the plurality of lifting parts are arranged at equal intervals along the vertical direction, the plurality of lifting parts are connected with a lifting mechanism to realize vertical lifting, and the lifting parts comprise two trays with the same height. The invention has the advantages of ensuring the continuity of the production line and effectively improving the production efficiency.

Description

Vertical stocker for motorcycle wheel production line

technical field

The invention relates to a vertical stocker for a motorcycle wheel production line, belonging to the technical field of wheel production.

Background technique

At present, in order to ensure the efficiency of production, the motorcycle wheel production line generally uses the conveyor line for continuous feeding. This feeding method has the following problems: when there are continuous wheels on the conveyor line, it is easy to appear that the previous wheel is still in the processing state. , the next wheel has been transported to the position to be processed, so that the wheels are piled up on the conveyor line, and the conveyor line needs to be closed to stop feeding; when the staff does not add wheels to the conveyor line in time, the processing station has been It is in a state of equal material, which makes it difficult to ensure the continuity of the production line, resulting in reduced production efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a vertical storage machine for a motorcycle wheel production line, which solves the problem that the continuity of the production line in the prior art is difficult to guarantee, thereby reducing the production efficiency.

The above-mentioned technical purpose of the present invention is mainly solved by the following technical solutions: a vertical stocker for motorcycle wheel production line, including a body, and the opposite sides of the body are formed with a feed port and an outlet for wheel workpieces to enter and exit. The body is provided with a horizontal conveying mechanism extending from the feeding port to the discharging port to transport the wheel workpiece from the feeding port to the discharging port, and the body is also provided with a horizontal conveying mechanism located on the lateral outer side and It is a storage mechanism with an upper and lower layered structure. The storage mechanism includes several lifting parts for lifting the wheel workpieces on the horizontal conveying mechanism one by one for storage. Several lifting parts are arranged at equal intervals in the vertical direction. The lifting part is connected with the lifting mechanism to realize up and down synchronous lifting, and the lifting part includes two pallets located on both sides of the horizontal conveying mechanism perpendicular to the width direction of its conveying direction and with the same height. When the wheel workpiece is located on the horizontal conveying mechanism, the wheel The radially opposite ends of the workpiece are suspended in the air and located between the two pallets in the two adjacent lifting parts.

When the device of the present invention is used, firstly place the device of the present invention between the processing station of the wheel workpiece and the feeding conveying line, and make the horizontal conveying mechanism located at the input end at the feeding port and the output end at the discharging port respectively and the upper The output end of the material conveying line is aligned with the working platform of the processing station. When there is no demand for wheel workpieces in the processing station and there are wheel workpieces input on the feeding conveyor line, the wheel workpieces are transported from the feeding port to the horizontal conveying through the feeding conveying line. On the mechanism, and then continue to transport the wheel workpiece forward to the designated position through the horizontal conveying mechanism. The designated position is the position where the wheel workpiece moves to the position aligned with the center of the pallet. At this time, the horizontal conveying mechanism stops working, and the lifting mechanism starts to work to drive several lifting parts. Simultaneously rise for a certain distance, and the rising distance is greater than the maximum axial width of the wheel workpiece, so that the two pallets located in a lifting part below the wheel workpiece on the horizontal conveying mechanism can act on the suspended ends of the wheel workpiece to lift it for a certain distance. It is separated from the horizontal conveying mechanism, thereby completing the storage action of one wheel workpiece, and the subsequent wheel workpieces are stored according to this step; when there is no wheel workpiece input in the feeding conveyor line, and there is a demand for wheel workpieces at the processing station, the lifting mechanism starts. The work drives several lifting parts to descend the same distance synchronously, so that the wheel workpieces on the two pallets located in the lifting part above the horizontal conveying mechanism can be placed on the horizontal conveying mechanism, and then the wheel workpieces can be removed from the discharge port through the horizontal conveying mechanism. It is transported to the working platform of the processing station, thereby completing the discharging action of one wheel workpiece, and the subsequent wheel workpieces are discharged according to this step; when the processing station has a demand for wheel workpieces and the feeding conveyor line just has wheel workpieces input, The wheel workpiece is transported from the feeding port to the horizontal conveying mechanism through the feeding conveying line, and then the wheel workpiece is directly transported from the discharging port to the working platform of the processing station through the horizontal conveying mechanism. Temporary storage of wheel workpieces, and can store and discharge materials according to the actual situation of the production line, which can ensure the continuity of the production line, thereby effectively improving production efficiency.

Preferably, the horizontal conveying mechanism is a chain conveyor, and the horizontal conveying mechanism includes two sets of conveying chains arranged at intervals and extending in the horizontal direction and a conveying driver for driving the conveying chains to run around. The horizontal distance is smaller than the diameter of the innermost ring of the rim part of the wheel workpiece, so that the two ends of the wheel workpiece diametrically opposite are suspended during transportation.

By setting the horizontal conveying mechanism as a chain conveyor, the horizontal conveying mechanism includes two groups of conveying chains arranged at intervals and extending in the horizontal direction and a conveying driver for driving the conveying chains to run around, and the horizontal distance between the two groups of conveying chains is smaller than that of the wheel workpiece The diameter of the innermost ring of the rim part is so that the two ends of the wheel workpiece diametrically opposite can be suspended during conveying, so that the conveying driver can drive the conveying chain to run around to realize the conveying of the wheel workpiece, and the gap between the two groups of conveying chains during conveying. It can make room for the raised structure in the center of the wheel workpiece to realize the stable transportation of the wheel workpiece. In addition, when conveying through two sets of conveyor chains, it can ensure that the two ends of the wheel workpiece are suspended in the radial direction, so that the pallet can be suspended from the wheel workpiece when it rises. The contact of the edge parts at both ends lifts it off the conveyor chain, so as to realize the storage of wheel workpieces.

Preferably, the vertical distance between the upper and lower trays in the adjacent two lifting parts is greater than the maximum axial width of the wheel workpiece, and the two trays in the same lifting part are respectively located on the outer side of the width direction of the two groups of conveyor chains and the The horizontal distance between the inner ends of the two pallets is smaller than the diameter of the outermost ring of the rim portion of the wheel workpiece, and the pallets extend parallel to the length direction of the conveyor chain.

By setting the vertical distance between the upper and lower trays in two adjacent lifting parts to be greater than the maximum axial width of the wheel workpiece, the two trays in the same lifting part are located outside the width direction of the two sets of conveyor chains respectively, and the two trays The horizontal distance between the inner ends is smaller than the diameter of the outermost ring of the rim part of the wheel workpiece, and the pallet extends parallel to the length direction of the conveying chain, so that the wheel workpiece on the pallet in the adjacent two lifts will not interfere, so as to achieve multi-layered In addition, it can ensure that the two pallets in the same lifting part can come into contact with the edge parts of the suspended ends of the wheel workpiece when rising, so that the wheel workpiece can be lifted and separated from the conveyor chain.

Preferably, a spacer block is fixed on the top of each of the trays, the spacer block is made of rubber, and a positioning protrusion is formed on the top of each spacer block, and the positioning protrusion includes an upper sharp cone The horizontal distance between the two positioning protrusions in the same raised part is smaller than the diameter of the innermost ring of the rim part of the wheel workpiece.

A spacer block is fixed on the top of each tray, the spacer block is made of rubber, and a positioning protrusion is formed on the top of each spacer block. The positioning protrusion includes an upper tapered part and a lower straight cylinder part. The horizontal distance between the two positioning protrusions in the raised part is smaller than the innermost diameter of the rim part of the wheel workpiece, which can prevent the pallet from directly contacting the surface of the pallet rigidly, so as to prevent the surface of the wheel workpiece from being scratched or worn, and at the same time, it can increase the number of wheels The friction between the workpiece and the pallet can reduce the risk of displacement of the wheel workpiece on the pallet, and can effectively prevent the wheel workpiece on the pallet from shifting too much in the horizontal direction, so that the pallet can be lowered for discharging. The wheel workpiece is accurately placed on the two sets of conveyor chains, so that the two sets of conveyor chains can accurately transport the wheel workpiece to the processing station for processing.

Preferably, the lifting mechanism is a chain lifter, the lifting mechanism includes four groups of lifting chains extending in the vertical direction and a lifting driver for driving the lifting chains to run around, and the four groups of the lifting chains are symmetrically distributed in two groups. On the outer side of the tray in the width direction, the tray is fixed between two sets of lifting chains in the same group.

By setting the lifting mechanism as a chain lift, the lifting mechanism includes four groups of lifting chains extending in the vertical direction and a lifting driver for driving the lifting chains to run around, and the four groups of lifting chains are symmetrically distributed on the outer side of the width direction of the pallet. , the pallet is fixed between the two sets of lifting chains in the same group, so that the lifting driver can drive the two sets of lifting chains to run around to drive the pallet to move up and down, so as to realize the storage and discharge of the wheel workpiece, and the pallet can follow up and down Compared with the linear lifting movement, the chain can effectively reduce the vertical height required when the tray is lifted, thereby effectively reducing the vertical height of the equipment.

Preferably, a plurality of mounting brackets are fixed on each group of the lifting chains, the plurality of the mounting brackets are arranged at equal intervals along the extension direction of the contour of the lifting chain, and the number of mounting brackets on the four groups of the lifting chains is the same and the height positions are the same. One-to-one correspondence, the mounting frame is formed with a connecting portion parallel to the end face in the width direction of the tray, and the outer end of the tray in the width direction is on the same side of the two sets of lifting chains in the two sets of lifting chains in the same height position. The connection part forms a fixed connection.

By fixing multiple mounting brackets on each group of lifting chains, the multiple mounting brackets are arranged at equal intervals along the extension direction of the contour of the lifting chain. A connection part parallel to the end face in the width direction of the pallet is formed, and the outer end in the width direction of the pallet forms a fixed connection with the connection parts on the two sets of lifting chains on the same side that are at the same height, so that each pallet When the lifting chain moves synchronously, the pallet can always maintain a horizontal state when it moves to the vertical direction of the conveying chain, so as to stably lift the wheel workpiece for storage.

Preferably, the elevating mechanism further comprises a rotary encoder connected with the drive shaft of the elevating chain to measure the displacement of the pallet on the elevating chain along the vertical direction.

The lifting mechanism is also provided with a rotary encoder connected with the driving shaft of the lifting chain to measure the displacement of the tray on the lifting chain in the vertical direction, so that the rotary encoder can measure the vertical direction of the tray on the lifting chain. The displacement of the lifting is used to control the distance of the pallet lifting and lowering during the storage and discharge of a wheel workpiece, so as to ensure the continuity of storage and discharge.

Preferably, both the feeding port and the discharging port are provided with an auxiliary conveying mechanism, and the auxiliary conveying mechanism includes two auxiliary rollers respectively located on the outer sides of the two groups of conveying chains in the width direction, and both ends of the auxiliary rollers are indirectly or indirectly connected to each other. It is directly rotatably supported on the body, the auxiliary roller is located outside the length direction of the tray, and the top end of the auxiliary roller is flush with the top end of the conveying chain.

The auxiliary conveying mechanism is provided at both the feeding port and the discharging port. The auxiliary conveying mechanism includes two auxiliary rollers respectively located on the outer side of the width direction of the two groups of conveying chains. Both ends of the auxiliary rollers are indirectly or directly supported by rotation on the body. The auxiliary roller is located on the outer side of the pallet in the length direction, and the top of the auxiliary roller is flush with the top of the conveyor chain, so that when the wheel workpiece enters from the feed port or leaves the conveyor chain from the discharge port, the two sets of auxiliary rollers can suspend the wheel workpiece. The end is supported, so that the wheel workpieces fed by the feeding conveyor line can be smoothly transported to the two sets of conveyor chains, and at the same time, the wheel workpieces on the two sets of conveyor chains can be smoothly transported to the working platform of the processing station.

Preferably, the machine body is provided with a detection mechanism for detecting whether the wheel workpiece on the conveyor chain is transported to a position aligned with the center of the pallet, and the detection mechanism includes two sets of in-position optoelectronics located on the outer sides of the two pallets in the width direction, each set The number of photoelectric units in place is two at intervals.

A detection mechanism for detecting whether the wheel workpiece on the conveyor chain is transported to a position aligned with the center of the pallet is provided in the machine body, and the detection mechanism includes two sets of in-position optoelectronics located on the outer sides of the two pallets in the width direction, and the number of each in-position optoelectronics group is The two are arranged at intervals, so that the conveyor chain can accurately transport the wheel workpiece to the designated position aligned with the pallet, so that the wheel workpiece on the conveyor chain can be lifted accurately when the pallet rises.

Preferably, both the feeding port and the discharging port are provided with a protective photoelectric device for keeping the lifting driver in the lifting mechanism in a closed state.

The protection photoelectricity for keeping the lifting driver in the lifting mechanism in a closed state is provided at both the feeding port and the discharging port, so that when the protection photoelectricity at the feeding port or the discharging port detects that a wheel workpiece passes by, it can make The lifting driver in the lifting mechanism is in a closed state to ensure that the tray cannot be lifted and lowered at this time, thereby realizing entrance protection and exit protection.

Therefore, the present invention has the advantage of being able to ensure the continuity of the production line, thereby effectively improving the production efficiency.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the front view structure schematic diagram of the present invention;

Fig. 3 is the side view structure schematic diagram of the present invention;

Fig. 4 is the top view structure schematic diagram of the present invention;

FIG. 5 is a schematic three-dimensional structure diagram of the lifting portion in the present invention.

The symbols in the drawings are described as follows: 1. Body; 2. Feeding port; 3. Feeding port; 4. Horizontal conveying mechanism; 5. Material storage mechanism; 6. Lifting part; 7. Lifting mechanism; 8. Tray; 9. Conveying chain; 10. Conveying driver; 11. Spacer block; 12. Positioning protrusion; 13. Lifting chain; 14. Lifting driver; 15. Rotary encoder; 16. Auxiliary conveying mechanism; 17. Auxiliary roller; 18, Detection mechanism; 19. Photoelectricity in place; 20. Protection photoelectricity; 21. Mounting frame; 22. Connection part.

Detailed ways

The technical solutions of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

As shown in Figure 1, Figure 2 and Figure 3, a vertical stocker for a motorcycle wheel production line according to the present invention includes a vertical body 1, the body 1 is a hollow frame structure, and two opposite sides of the body 1 are provided. A feed port 2 and a discharge port 3 are formed on the side for the wheel workpiece to enter and exit, and the body 1 is provided with a feed port 2 extending from the feed port 2 to the discharge port 3 to transport the wheel workpiece from the feed port 2 to the discharge port 3. The horizontal conveying mechanism 4, the horizontal conveying mechanism 4 can be a chain conveyor or two sets of conveying rollers arranged at intervals. The conveying driver 10 for driving the conveying chain 9 to run around, the conveying driver 10 is a driving motor, and the driving motor is connected with the drive shaft of the conveying chain 9 through the chain drive. The diameter of the innermost ring is so that the radially opposite ends of the wheel workpiece can be suspended during transportation.

As shown in FIGS. 1 , 2 and 5 , the body 1 is also provided with a storage mechanism 5 that is located on the lateral outer side of the horizontal conveying mechanism 4 and has an upper and lower stacked structure. The lifting parts 6 are arranged one by one for storage, and the lifting parts 6 are arranged at equal intervals in the vertical direction. There are two pallets 8. When the wheel workpiece is located on the horizontal conveying mechanism 4, the radially opposite ends of the wheel workpiece are suspended in the air and are located between the two pallets 8 in the two adjacent lifting parts 6, and the two adjacent lifting parts 6. The vertical distance of the upper and lower intervals between the pallets 8 is greater than the maximum axial width of the wheel workpiece. The two pallets 8 in the same lifting portion 6 are respectively located on the outer side of the width direction of the two groups of conveyor chains 9 and between the inner ends of the two pallets 8. The horizontal distance is smaller than the diameter of the outermost ring of the rim part of the wheel workpiece, the tray 8 is L-shaped and extends horizontally parallel to the length direction of the conveyor chain 9, the two trays 8 in the same lifting part 6 are symmetrically arranged, and the top of each tray 8 Pad blocks 11 are fixed, the pad blocks 11 are made of rubber, the top of each pad block 11 is formed with a positioning protrusion 12, and the positioning protrusion 12 includes an upper tapered part and a lower straight cylinder part, the same lifting part. The horizontal distance between the two positioning protrusions 12 in 6 is smaller than the innermost diameter of the rim portion of the wheel workpiece.

As shown in Figure 1, Figure 3 and Figure 4, several lifting parts 6 are connected to the lifting mechanism 7 to achieve up and down synchronous lifting, the lifting mechanism 7 is a chain lifter, and the lifting mechanism 7 includes four sets of lifting chains 13 extending in the vertical direction and The lifting driver 14 is used to drive the lifting chain 13 to revolve. The lifting driver 14 is a driving motor, and the driving motor is connected to the driving shaft of the lifting chain 13 through chain transmission. On the outer side in the width direction, the tray 8 is fixed between two sets of lifting chains 13 in the same group. Each set of lifting chains 13 is fixed with a plurality of mounting brackets 21 , and the plurality of mounting brackets 21 are equally spaced along the extension direction of the contour of the lifting chain 13 . Arrangement, the number of mounting brackets 21 on the four groups of lifting chains 13 is the same and the height positions are in one-to-one correspondence. The mounting bracket 21 is formed with a connecting portion 22 parallel to the end face in the width direction of the tray 8. The outer end of the tray 8 in the width direction is The connecting parts 22 on the two mounting brackets 21 with the same height positions in the two sets of lifting chains 13 on the same side form a fixed connection. The lifting mechanism 7 also includes a rotary encoder 15 connected with the driving shaft of the lifting chain 13 to measure the lifting chain 13 The displacement amount of the upper tray 8 rising and falling in the vertical direction, the feeding port 2 and the discharging port 3 are both provided with a protection photoelectric 20 for keeping the lifting driver 14 in the lifting mechanism 7 in a closed state.

As shown in Fig. 2 and Fig. 3, both the feeding port 2 and the discharging port 3 are provided with an auxiliary conveying mechanism 16. The auxiliary conveying mechanism 16 includes two auxiliary rollers 17 respectively located on the outer side of the two groups of conveying chains 9 in the width direction. Both ends of the roller 17 are indirectly or directly rotatably supported on the body 1, the auxiliary roller 17 is located on the outer side of the length direction of the tray 8, the top of the auxiliary roller 17 is flush with the top of the conveyor chain 9, and the body 1 is provided with a detection conveyor chain 9. Whether the workpiece on the wheel is transported to the detection mechanism 18 aligned with the center of the pallet 8, the detection mechanism 18 includes two sets of in-position photoelectric devices 19 located on the outer side of the width direction of the two pallets 8 respectively, and the number of each group of in-position photoelectric devices 19 is two spaced apart. indivual.

In the specific implementation of this embodiment, the device is firstly placed between the processing station of the wheel workpiece and the feeding conveying line, and the horizontal conveying mechanism 4 is located at the input end of the feed port 2 and the output end of the discharge port 3 Align with the output end of the feeding conveyor line and the working platform of the processing station respectively. When the processing station has no demand for wheel workpieces and the feeding conveyor line has wheel workpieces input, the wheel workpieces pass through the feeding conveyor line from the feeding port 2. It is conveyed to the two groups of conveyor chains 9 in the horizontal conveying mechanism 4, and then the conveying chain 9 is driven by the conveying driver 10 to continue to transport the wheel workpiece forward. 10 is closed, the designated position is that the wheel workpiece moves to the position aligned with the center of the pallet 8, and then the two groups of lifting chains 13 are driven to run by the lifting driver 14 in the lifting mechanism 7, thereby driving several lifting parts 6 to rise synchronously for a certain distance, and the rising The distance is equal to the distance between two adjacent lifting parts 6, and the displacement of the lifting part 6 can be measured by the rotary encoder 15, so that the two sets of conveyor chains 9 are located in one lifting part 6 below the wheel workpiece. The pallet 8 can act on the suspended ends of the wheel workpiece to lift it up a certain distance so that it is separated from the two sets of conveying chains 9, thereby completing the storage action of one wheel workpiece, and the subsequent wheel workpieces are stored according to this step; When there is no wheel workpiece input on the line and there is a demand for wheel workpieces at the processing station, the lifting mechanism 7 starts to work and drives several lifting parts 6 to descend the same distance synchronously, so that the lifting parts 6 located above the two sets of conveyor chains 9 can be moved. The wheel workpieces on the two pallets 8 are placed on two sets of conveyor chains 9, and then the wheel workpieces are transported from the discharge port 3 to the working platform of the processing station through the two sets of conveyor chains 9, thereby completing the output of one wheel workpiece. Material action, the subsequent wheel workpieces are discharged according to this step; when there is a demand for wheel workpieces at the processing station and the loading conveyor line just has wheel workpieces input, the wheel workpieces are transported from the feeding port 2 to the two sets of conveyor chains through the feeding conveyor line. 9, and then directly transport the wheel workpiece from the discharge port 3 to the working platform of the processing station through two sets of conveying chains 9.

The invention has the advantage of being able to ensure the continuity of the production line, thereby effectively improving the production efficiency.

Claims (10)

1. A vertical storage machine for a motorcycle wheel production line, characterized in that it comprises a body (1), and the opposite sides of the body (1) are formed with a feed port (2) and an outlet for the wheel workpiece to enter and exit. A feeding port (3), the body (1) is provided with a feeding port (2) extending from the feeding port (2) to the discharging port (3) to transport the wheel workpiece from the feeding port (2) to the discharging port (3). A horizontal conveying mechanism (4), the body (1) is further provided with a storage mechanism (5) which is located on the lateral outer side of the horizontal conveying mechanism (4) and has an upper and lower stacked structure, and the storage mechanism (5) includes a For the lifting parts (6) for lifting the wheel workpieces located on the horizontal conveying mechanism (4) one by one for storage, the lifting parts (6) are arranged at equal intervals in the vertical direction, and the lifting parts (6) are connected with each other. The lifting mechanism (7) is connected to realize up and down synchronous lifting, and the lifting part (6) includes two trays (8) located on both sides of the horizontal conveying mechanism (4) perpendicular to its conveying direction in the width direction and having the same height. When positioned on the horizontal conveying mechanism (4), the radially opposite ends of the wheel workpiece are suspended in the air and are located between the two trays (8) in the two adjacent lifting parts (6). 2. The vertical storage machine for motorcycle wheel production line according to claim 1, characterized in that: the horizontal conveying mechanism (4) is a chain conveyor, and the horizontal conveying mechanism (4) comprises two sets of spaced And the conveying chain (9) extending in the horizontal direction and the conveying driver (10) for driving the conveying chain (9) to run around, the horizontal distance between the two groups of conveying chains (9) is smaller than the innermost part of the rim part of the wheel workpiece. The diameter of the ring is so that the two ends of the wheel workpiece diametrically opposite can be suspended during transportation. 3. The vertical stocker for motorcycle wheel production line according to claim 2, characterized in that: the vertical distance between the upper and lower intervals of the pallets (8) in the adjacent two said lifting parts (6) is greater than the wheel workpiece The maximum axial width of the two trays (8) in the same lifting part (6) is located on the outer side of the width direction of the two sets of conveyor chains (9) and the level between the inner ends of the two trays (8) The distance is smaller than the diameter of the outermost ring of the rim portion of the wheel workpiece, and the tray (8) extends parallel to the length direction of the conveyor chain (9). 4. The vertical stocker for motorcycle wheel production lines according to claim 1, 2 or 3, characterized in that: a pad (11) is fixed on the top of each of the trays (8), and the pads The block (11) is made of rubber, and a positioning protrusion (12) is formed on the top of each of the cushion blocks (11), and the positioning protrusion (12) includes an upper tapered portion and a lower straight cylinder portion, The horizontal distance between the two positioning protrusions (12) in the same raised part (6) is smaller than the diameter of the innermost ring of the rim part of the wheel workpiece. 5. The vertical stocker for motorcycle wheel production line according to claim 1, 2 or 3, characterized in that: the lifting mechanism (7) is a chain lifter, and the lifting mechanism (7) comprises four sets of edge Vertically extending lift chains (13) and lift drives (14) for driving the lift chains (13) to revolve around, four groups of the lift chains (13) are symmetrically distributed over the width of the tray (8) two by two On the outer side of the direction, the tray (8) is fixed between two sets of lifting chains (13) in the same group. 6. The vertical stocker for motorcycle wheel production line according to claim 5, characterized in that: a plurality of mounting brackets (21) are fixed on each group of the lifting chains (13), and a plurality of the mounting The racks (21) are arranged at equal intervals along the extension direction of the contour of the lifting chain (13). A connecting portion (22) parallel to the end face in the width direction of the tray (8) is formed on the upper end of the tray (8), and the outer end of the tray (8) in the width direction is flush with the two height positions in the two sets of lifting chains (13) on the same side The connecting part (22) on the mounting frame (21) of the 10000000000 forms a fixed connection. 7. The vertical stocker for motorcycle wheel production line according to claim 5, characterized in that: the lifting mechanism (7) further comprises a rotary encoder (15) connected with the drive shaft of the lifting chain (13) To measure the displacement of the pallet (8) on the lifting chain (13) in the vertical direction. 8. The vertical storage machine for motorcycle wheel production line according to claim 2 or 3, characterized in that: both the feeding port (2) and the discharging port (3) are provided with an auxiliary conveying mechanism (16). ), the auxiliary conveying mechanism (16) includes two auxiliary rollers (17) respectively located on the outer side of the two groups of conveying chains (9) in the width direction, and both ends of the auxiliary rollers (17) are indirectly or directly rotatably supported on the body ( 1), the auxiliary roller (17) is located on the outer side in the longitudinal direction of the tray (8), and the top end of the auxiliary roller (17) is flush with the top end of the conveying chain (9). 9. The vertical stocker for motorcycle wheel production line according to claim 2 or 3, characterized in that: the body (1) is provided with a tool for detecting whether the wheel workpiece on the conveying chain (9) is conveyed to and A detection mechanism (18) for the center alignment position of the trays (8), the detection mechanism (18) includes two sets of in-position photoelectric devices (19) respectively located on the outer sides of the two trays (8) in the width direction, and each set of in-position photoelectric devices (19) The number is two for the interval setting. 10. The vertical storage machine for motorcycle wheel production line according to claim 5, characterized in that: the feeding port (2) and the discharging port (3) are provided with a lifting mechanism (7) The inner lift driver (14) is in a closed state to protect the photoelectric (20).

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