CN218930774U

CN218930774U - Semi-axle type aluminum alloy roll shaft for bearing and driving skid on automobile production line

Info

Publication number: CN218930774U
Application number: CN202223107324.4U
Authority: CN
Inventors: 张新权
Original assignee: Jinan Qiyun Intelligent Technology Co ltd
Current assignee: Jinan Qiyun Intelligent Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-28
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a half-shaft type aluminum alloy roll shaft of a bearing and transmission skid on an automobile production line. The inner mandrel comprises an inner mandrel, the inner mandrel is provided with a synchronizing wheel and a mandrel sleeve, the synchronizing wheel and the mandrel sleeve are sleeved on the outer side of the inner mandrel, roller bodies are mounted at two ends of the inner mandrel, roller body through holes matched with the inner mandrel are formed in the roller bodies, the end parts of the inner mandrel are arranged in the roller body through holes and are detachably connected with the roller body through holes, roller body grooves are formed in the port parts, far away from one end of the inner mandrel, of the roller body through holes, and locking assemblies connected with the inner mandrel are arranged in the roller body grooves. The beneficial effects of the utility model are as follows: the structure is unitized, the parts are simple and easy to process, the assembly is convenient, the parts can be independently disassembled and replaced after being worn, and the parts can be updated and replaced in a field unitized manner, so that the integral disassembly and replacement are avoided, and the transportation, processing and labor cost is greatly reduced; realize the lightweight, convenient transportation and installation dismantlement.

Description

Semi-axle type aluminum alloy roll shaft for bearing and driving skid on automobile production line

Technical Field

The utility model relates to the technical field related to automobile production lines, in particular to a half-shaft type aluminum alloy roll shaft of a bearing and transmission skid on an automobile production line.

Background

The conveying mechanism with the roll shaft is needed when carrying on the automobile production line, the transmission skid and conveying the automobile body, the traditional roll shaft adopts a round steel tube welding mode, but the roll shaft has a plurality of defects in the use process, the self weight of the product is too large, the working strength can be increased for field personnel in the installation and disassembly process, the potential safety hazard is brought, the whole disassembly is needed after the polyurethane roll is worn, the whole transportation returns to the factory to hang polyurethane again, and the large transportation, processing and labor cost can be increased in the process.

In view of the foregoing, there is a need for a half-shaft aluminum alloy roller shaft for a skid that is configured to be unitized and capable of being detached and replaced independently after wear of parts.

Disclosure of Invention

The utility model provides a half-shaft type aluminum alloy roll shaft which is formed into a structure unit and can be independently disassembled and replaced on an automobile production line to bear and drive a skid, so as to overcome the defects that the roll shaft needs to be integrally disassembled after the polyurethane roll is worn in the prior art and the great cost of transportation, processing and labor is increased.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a bear and semi-axis formula aluminum alloy roller of transmission skid on automobile production line, includes interior dabber, interior dabber epaxial synchronizing wheel and dabber cover that is equipped with, synchronizing wheel and dabber cover all cup joint the outside of interior dabber, the roll body is all installed at the both ends of interior dabber, be equipped with the roll body through-hole with interior dabber assorted on the roll body, the tip of interior dabber is arranged in the roll body through-hole and can dismantle rather than being connected, the port department that interior dabber one end was kept away from to the roll body through-hole is equipped with the roll body recess, be equipped with the locking subassembly that is connected with interior dabber in the roll body recess.

During assembly, the synchronous wheel and the core shaft sleeve are sleeved on the inner core shaft, and the two roller bodies are respectively arranged at the two ends of the inner core shaft. When the roller body is installed, the end part of the inner core shaft is inserted into the through hole of the roller body, and then the roller body and the inner core shaft are fixed through the locking assembly in the groove of the roller body, and when the roller body is required to be disassembled, the locking assembly is only required to be loosened. The structural unitized design is simple and easy to process, the assembly is convenient, the parts can be independently disassembled and replaced after being worn, and the replacement can be performed in a field unitized mode, so that the integral disassembly and replacement are avoided, and the transportation, processing and labor cost is greatly reduced. During operation, the synchronous wheel is transmitted with power through the toothed belt, the synchronous wheel transmits power to the inner mandrel, the inner mandrel transmits power to the roller body to realize the process of bearing and conveying the skid, and the inner mandrel sleeve plays an auxiliary role in sharing the stress of the inner mandrel and limiting.

Preferably, the material of the synchronous wheel, the material of the inner core shaft, the material of the roller body and the material of the core shaft sleeve are all aluminum alloy, and the surface of the roller body is coated with polyurethane. The high-strength aluminum alloy material is adopted, so that the weight is reduced, and the transportation, the installation and the disassembly are convenient; the aluminum alloy material has excellent plasticity and corrosion resistance.

Preferably, the synchronous wheel, the inner mandrel, the roller body and the core shaft sleeve are formed by hot extrusion. The overall dimension tolerance of the product is controlled by adjusting the die and strictly controlling the extrusion production process, and the rationality of the assembly dimension is greatly improved.

Preferably, the inner mandrel is in a round tube shape, an axial groove is formed in the outer surface of the inner mandrel, and protrusions matched with the axial groove are formed in the inner wall of the synchronous wheel, the inner wall of the mandrel sleeve and the inner wall of the roller body through hole. The hot extrusion deformed aluminum alloy profile is used as a main part, the axial grooves and the protrusions are reserved in the design of the extrusion die, and the extrusion die is directly molded, so that the complicated machining process is avoided. Through the design of the axial grooves and the protrusions, the tight matching degree between parts and the strength capability of power transmission are greatly improved.

Preferably, the width of the roller body groove is larger than the width of the roller body through hole, the width of the roller body through hole is matched with the outer diameter of the inner mandrel, a locking ring piece is arranged on the bottom surface of the roller body groove, the outer diameter of the locking ring piece is larger than the width of the roller body through hole, the inner diameter of the locking ring piece is smaller than the width of the roller body through hole, a fixing nut is arranged in the inner mandrel, the locking assembly comprises a fastening bolt matched with the fixing nut, the width of the head of the fastening bolt is larger than the inner diameter of the locking ring piece, and the screw portion of the fastening bolt penetrates through the inner hole of the locking ring piece, is arranged in the inner mandrel and is in threaded connection with the fixing nut. After the end part of the inner mandrel is inserted into the roller body through hole, the roller body can be fixed at the end part of the inner mandrel by only screwing the fastening bolt, and when the roller body needs to be disassembled, the roller body is only required to unscrew the fastening bolt, so that the roller body is simple in structure and convenient to operate. The locking ring piece is used for pulling the roller body to displace on the inner core shaft, so that the roller body and the inner core shaft are tightly combined.

Preferably, both sides of the synchronous wheel are provided with synchronous wheel baffle plates. The synchronous wheel baffle is made of 6061-T6 aluminum alloy wafers with the wall thickness of 3mm, and is used for correcting the operation of a motor belt and improving the working precision.

Preferably, both sides of one of the roller bodies are provided with roller body baffle plates. The roller body baffle is formed by stamping a 6061-T6 aluminum alloy wafer with the wall thickness of 5mm, and is used for correcting the deviation of the skid from the track, so that the working precision is improved.

Preferably, a roller bed connecting piece is further arranged in the roller body groove, and is installed at the opening of the roller body groove and is rotationally connected with the roller body groove, and the roller bed connecting piece is connected with the roller body groove through a bearing. Wherein the roller bed connecting piece is used for connecting and fixing the roller shaft and the roller bed, and the bearing is used for rotating the roller shaft.

The beneficial effects of the utility model are as follows: the structure is unitized, the parts are simple and easy to process, the assembly is convenient, the parts can be independently disassembled and replaced after being worn, and the parts can be updated and replaced in a field unitized manner, so that the integral disassembly and replacement are avoided, and the transportation, processing and labor cost is greatly reduced; the light weight is realized, and the transportation, the installation and the disassembly are convenient; the plastic has excellent plasticity and corrosion resistance; the rationality of the assembly size is improved; avoiding the complicated machining process; the tight matching degree between parts and the strength capability of power transmission are improved; the working accuracy is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view at A-A in FIG. 1;

FIG. 3 is a cross-sectional view of the inner mandrel;

FIG. 4 is a cross-sectional view of a core sleeve;

FIG. 5 is a cross-sectional view of a synchronizing wheel;

fig. 6 is a cross-sectional view of a roll body.

In the figure: 1. the inner core shaft, 2, the synchronizing wheel, 3, the core shaft sleeve, 4, the roller body, 5, the roller body through hole, 6, the roller body groove, 7, the axial groove, 8, the bulge, 9, the locking ring piece, 10, the fixing nut, 11, the fastening bolt, 12, the synchronizing wheel baffle, 13, the roller body baffle, 14, the roller bed connecting piece, 15 and the bearing.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

In the embodiment described in fig. 1 and 2, a semi-axle type aluminum alloy roll shaft of a bearing and transmission skid on an automobile production line comprises an inner mandrel 1, wherein a synchronizing wheel 2 and a mandrel sleeve 3 are arranged on the inner mandrel 1, the synchronizing wheel 2 and the mandrel sleeve 3 are sleeved on the outer side of the inner mandrel 1, a roll body 4 is arranged at two ends of the inner mandrel 1, a roll body through hole 5 matched with the inner mandrel 1 is arranged on the roll body 4, the end part of the inner mandrel 1 is arranged in the roll body through hole 5 and is detachably connected with the roll body through hole, a roll body groove 6 is arranged at a port of the roll body through hole 5 far away from one end of the inner mandrel 1, and a locking component connected with the inner mandrel 1 is arranged in the roll body groove 6.

The material of the synchronizing wheel 2, the material of the inner mandrel 1, the material of the roller body 4 and the material of the mandrel sleeve 3 are all aluminum alloy, and the surface of the roller body 4 is coated with polyurethane.

The synchronous wheel 2, the inner mandrel 1, the roller body 4 and the mandrel sleeve 3 are formed by hot extrusion.

As shown in fig. 3, the inner mandrel 1 is in a circular tube shape, the outer surface of the inner mandrel 1 is provided with an axial groove 7, and as shown in fig. 4, 5 and 6, the inner wall of the synchronous wheel 2, the inner wall of the mandrel sleeve 3 and the inner wall of the roller body through hole 5 are provided with protrusions 8 matched with the axial groove 7.

The width of roll body recess 6 is greater than the width of roll body through-hole 5, the width of roll body through-hole 5 and the external diameter assorted of inner mandrel 1 are equipped with locking ring piece 9 on the bottom surface of roll body recess 6, the external diameter of locking ring piece 9 is greater than the width of roll body through-hole 5, the internal diameter of locking ring piece 9 is less than the width of roll body through-hole 5, the inside of inner mandrel 1 is equipped with fixation nut 10, locking assembly includes the fastening bolt 11 with fixation nut 10 assorted, the head width of fastening bolt 11 is greater than the internal diameter of locking ring piece 9, the screw rod portion of fastening bolt 11 passes the hole of locking ring piece 9 and arranges the inside of inner mandrel 1 and with fixation nut 10 threaded connection in.

The two sides of the synchronizing wheel 2 are provided with synchronizing wheel baffle plates 12.

Both sides of one of the roller bodies 4 are provided with roller body baffle plates 13.

The roller body groove 6 is internally provided with a roller bed connecting piece 14, the roller bed connecting piece 14 is arranged at the opening of the roller body groove 6 and is rotationally connected with the roller body groove 6, and the roller bed connecting piece 14 is connected with the roller body groove 6 through a bearing 15.

The plurality of aluminum alloy structural members such as the synchronous wheel 2, the inner mandrel 1, the roller body 4 and the mandrel sleeve 3 can be assembled through cutting, stamping and spinning, so that the manufacturing process can be completed, and the production efficiency is very high.

During assembly, the synchronous wheel 2 and the core shaft sleeve 3 are sleeved on the inner core shaft 1 (the bulge 8 is inserted into the axial groove 7), and the two roller bodies 4 are respectively arranged at two ends of the inner core shaft 1. When the roller body 4 is installed, the end part of the inner core shaft 1 is inserted into the roller body through hole 5 (the bulge 8 is inserted into the axial groove 7), then the fastening bolt 11 is screwed, the roller body 4 can be fixed at the end part of the inner core shaft 1, and when the roller body 4 needs to be disassembled, the fastening bolt 11 is unscrewed.

During operation, the toothed belt is used for transmitting power to the synchronizing wheel 2, the synchronizing wheel 2 is used for transmitting power to the inner mandrel 1, and the inner mandrel 1 is used for transmitting power to the roller body 4 to realize the process of bearing and conveying the skid.

In order to replace polyurethane quickly and conveniently after the polyurethane is worn, the locking ring piece 9 is used for connecting the roller body 4 and the inner core shaft 1, and a certain length of spline structure contact is reserved during specific processing, so that the locking ring piece 9 does not lose the product functionality under the condition of unexpected loosening.

Claims

1. The utility model provides a bear and transmission skid's semi-axis formula aluminum alloy roller on automobile production line, characterized by, including inner core axle (1), be equipped with synchronizing wheel (2) and dabber cover (3) on inner core axle (1), the outside of inner core axle (1) is all cup jointed to synchronizing wheel (2) and dabber cover (3), roll body (4) are all installed at the both ends of inner core axle (1), be equipped with on roll body (4) with inner core axle (1) assorted roll body through-hole (5), roll body through-hole (5) are placed in to the tip of inner core axle (1) and can dismantle rather than being connected, the port department that inner core axle (1) one end was kept away from to roll body through-hole (5) is equipped with roll body recess (6), be equipped with the locking subassembly that is connected with inner core axle (1) in roll body recess (6).

2. The semi-axle type aluminum alloy roll shaft for carrying and driving a skid on an automobile production line according to claim 1, wherein the material of the synchronous wheel (2), the material of the inner mandrel (1), the material of the roll body (4) and the material of the mandrel sleeve (3) are all aluminum alloy, and the surface of the roll body (4) is coated with polyurethane.

3. The semi-axle type aluminum alloy roll shaft for carrying and driving a skid on an automobile production line according to claim 1, wherein the synchronous wheel (2), the inner mandrel (1), the roll body (4) and the mandrel sleeve (3) are formed by hot extrusion.

4. A semi-axle type aluminum alloy roll shaft for carrying and driving a skid on an automobile production line according to any one of claims 1-3, characterized in that the inner mandrel (1) is in a circular tube shape, an axial groove (7) is formed on the outer surface of the inner mandrel (1), and protrusions (8) matched with the axial groove (7) are formed on the inner wall of the synchronizing wheel (2), the inner wall of the mandrel sleeve (3) and the inner wall of the roll body through hole (5).

5. The semi-axle type aluminum alloy roll shaft for carrying and driving a skid on an automobile production line according to any one of claims 1-3, wherein the width of the roll body groove (6) is larger than the width of the roll body through hole (5), the width of the roll body through hole (5) is matched with the outer diameter of the inner mandrel (1), a locking ring piece (9) is arranged on the bottom surface of the roll body groove (6), the outer diameter of the locking ring piece (9) is larger than the width of the roll body through hole (5), the inner diameter of the locking ring piece (9) is smaller than the width of the roll body through hole (5), a fixing nut (10) is arranged in the inner mandrel (1), the locking assembly comprises a fastening bolt (11) matched with the fixing nut (10), the head width of the fastening bolt (11) is larger than the inner diameter of the locking ring piece (9), and the screw part of the fastening bolt (11) penetrates through the inner mandrel part of the locking ring piece (9) to be arranged in the inner part of the inner mandrel (1) and is in threaded connection with the fixing nut (10).

6. A semi-axle type aluminium alloy roll shaft for carrying and driving a skid on an automobile production line according to any one of claims 1-3, characterized in that both sides of the synchronizing wheel (2) are provided with synchronizing wheel baffles (12).

7. A semi-axle aluminium alloy roll axle for carrying and driving skids on a car production line according to any one of claims 1-3, characterized in that both sides of one of the roll bodies (4) are provided with roll body baffles (13).

8. A semi-axle type aluminum alloy roll shaft for carrying and driving a skid on an automobile production line according to any one of claims 1-3, wherein a roll bed connecting piece (14) is further arranged in the roll body groove (6), the roll bed connecting piece (14) is installed at the opening of the roll body groove (6) and is rotationally connected with the opening of the roll body groove, and the roll bed connecting piece (14) is connected with the roll body groove (6) through a bearing (15).