CN217798080U - Embedded battery roller - Google Patents
Embedded battery roller Download PDFInfo
- Publication number
- CN217798080U CN217798080U CN202221587550.4U CN202221587550U CN217798080U CN 217798080 U CN217798080 U CN 217798080U CN 202221587550 U CN202221587550 U CN 202221587550U CN 217798080 U CN217798080 U CN 217798080U
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- assembling
- section
- hole
- interference
- centering
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- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 22
- 210000001331 nose Anatomy 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model relates to an embedded battery roller, which comprises a roller body, wherein the left end and the right end of the roller body are respectively provided with a left assembling hole and a right assembling hole, and the left assembling hole and the right assembling hole are coaxial; the left end surface of the left shaft head is provided with a left central hole, the right end of the left shaft head is provided with a left assembling section, and the left assembling section is suitable for being in coaxial interference embedded fit with the left assembling hole; the right end face of the right shaft head is provided with a right central hole, the left end of the right shaft head is provided with a right assembling section, and the right assembling section is suitable for being in coaxial interference embedded fit with the right assembling hole; the hardness of the left shaft head and the right shaft head is 60-65HSD. By controlling the hardness of the shaft head, the two central holes are not easy to wear in the long-time use process, and the service life of the roller is prolonged.
Description
Technical Field
The utility model relates to an inserted battery roll.
Background
In the production and manufacturing process of the large-diameter battery roller, the roller is heavy in weight and high in precision requirement, particularly, the requirements of full run-out and roller surface straightness are 0.001mm, the precision of a central hole of a common battery roller cannot meet the precision requirement in the long-time fine grinding process, the central hole is not wear-resistant and easy to strain, the roughness of a conical surface cannot meet the use requirement, the central hole of the battery roller needs to be repeatedly used after being off-line after being delivered to a customer, the battery roller is used again after being polished on the roller surface, and if the quality of the central hole cannot be guaranteed, great trouble is brought to the customer.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects in the prior art are overcome, the embedded battery roller is provided, and the problem that coaxiality of center holes at two ends of the battery roller is low due to the fact that the center holes at the two ends of the battery roller are required to be polished for multiple times due to insufficient hardness is solved.
The utility model provides a technical scheme that its technical problem adopted is:
provides a mosaic battery roller, which comprises
The left end and the right end of the roller body are respectively provided with a left assembling hole and a right assembling hole which are coaxial;
the left end surface of the left shaft head is provided with a left central hole, the right end of the left shaft head is provided with a left assembling section, and the left assembling section is suitable for being in coaxial interference embedded fit with the left assembling hole;
the right end face of the right shaft head is provided with a right center hole, the left end of the right shaft head is provided with a right assembling section, and the right assembling section is suitable for being in coaxial interference fit with the right assembling hole;
the hardness of the left shaft head and the right shaft head is 60-65HSD.
Further, coaxial interference mosaic fit structure between the left assembly section of left spindle nose and the left pilot hole of roll body does:
a first centering round hole and a first assembling round hole are arranged in the left assembling hole;
the left assembling section is provided with a first cylindrical centering section and a first interference assembling section, the first interference assembling section is of a cone structure, the major diameter value of the first interference assembling section is larger than the upper limit value of the first assembling circular hole, and the minor diameter value of the first interference assembling section is located between the upper limit value and the lower limit value of the first assembling circular hole, so that interference fit is formed between the first interference assembling section and the first assembling circular hole;
the outer diameter of the first cylindrical centering section is in minimum clearance fit with the inner diameter of the first centering circular hole so as to limit the first cylindrical centering section to make radial displacement in the first centering circular hole.
Further, the length of the first cylindrical centering section accounts for 1/4-1/2 of the length of the left assembling section, and the length of the first interference assembling section accounts for 1/2-3/4 of the length of the left assembling section.
Further, coaxial interference mosaic fit structure between the right assembly section of right spindle nose and the right pilot hole of roll body does:
a second centering circular hole and a second assembling circular hole are arranged in the right assembling hole;
the right assembling section is provided with a second cylindrical centering section and a second interference assembling section, the second interference assembling section is of a cone structure, the major diameter value of the second interference assembling section is larger than the upper limit value of the second assembling circular hole, and the minor diameter value of the second interference assembling section is located between the upper limit value and the lower limit value of the second assembling circular hole, so that interference fit is formed between the second interference assembling section and the second assembling circular hole;
and the outer diameter of the second cylindrical centering section is in minimum clearance fit with the inner diameter of the second centering round hole so as to limit the second cylindrical centering section to make radial displacement in the second centering round hole.
Further, the length of the second cylindrical centering section accounts for 1/4-1/2 of the length of the right assembling section, and the length of the second interference assembling section accounts for 1/2-3/4 of the length of the right assembling section.
Furthermore, the left shaft head and the right shaft head are made of Cr12Mo1V1.
The utility model has the advantages that:
by controlling the hardness of the shaft head, the two central holes are not easy to wear in the long-time use process, and the service life of the roller is prolonged.
The roller adopts two spindle noses and the interference of roll body to inlay the equipment, before the equipment becomes the roller, can do the hardening to the spindle nose earlier to promote the hardness of spindle nose, then two spindle noses through with the coaxial interference between the roll body inlay the cooperation, control the axiality between two spindle noses and the roll body, and then controlled the axiality of two last centre bores of spindle nose.
Thoroughly solved in the past need carry out the inconvenience of integral processing to the roll, rely on the coaxial interference assembly structure between spindle nose and the roll body now, can promote the axiality between spindle nose and the roll body, and then the axiality between two spindle noses of control.
Therefore, the requirement of the center hole precision of the large-tonnage battery roller in the top grinding state in the machining process is met, the problem that the change of the center hole precision cannot reach the high precision of coaxiality and full run-out of 0.001mm due to long-time top grinding of the large-tonnage battery roller is avoided, and the technical problem that the roller neck of the roller cannot be directly quenched and only needs to be in a quenching and tempering state is solved.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic view of the inlaid battery roll of the present invention;
FIG. 2 is a schematic view of a left spindle head;
FIG. 3 is a schematic view of a right spindle head;
FIG. 4 is a half sectional view of the roll body;
FIG. 5 is a schematic view of a coaxial interference mosaic fit structure between the assembling section of the spindle head and the assembling hole of the roller body;
wherein,
2. the roller comprises a roller body 21, a first centering circular hole 22, a first assembling circular hole 23, a second centering circular hole 24 and a second assembling circular hole;
3. the left shaft head 31, the first cylindrical centering section 32, the first interference assembly section 32A, the big warp value 32B, the small diameter value 33 and the left center hole;
4. the right shaft head 41, a second cylindrical centering section 42, a second interference assembly section 43 and a right center hole;
5. tolerance band, 51, upper limit, 52, lower limit.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 5, a battery roll of a mosaic type comprises
The roller comprises a roller body 2, wherein a left assembling hole and a right assembling hole are respectively formed in the left end and the right end of the roller body 2, and the left assembling hole and the right assembling hole are coaxial;
the left end surface of the left spindle nose 3 is provided with a left center hole 33, the right end of the left spindle nose is provided with a left assembling section, and the left assembling section is suitable for coaxial interference embedding fit with the left assembling hole;
the right end face of the right shaft head 4 is provided with a right center hole 43, the left end of the right shaft head is provided with a right assembling section, and the right assembling section is suitable for being in coaxial interference fit with the right assembling hole;
the hardness of the left shaft head 3 and the right shaft head 4 is 60-65HSD.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1 to 5, the coaxial interference mosaic fit structure between the left assembling section of the left spindle head 3 and the left assembling hole of the roll body 2 is as follows:
a first centering round hole 21 and a first assembling round hole 22 are arranged in the left assembling hole;
the left assembling section is provided with a first cylindrical centering section 31 and a first interference assembling section 32, the first interference assembling section 32 is of a cone structure, a large diameter value 32A of the first interference assembling section 32 is larger than an upper limit value 51 of a first assembling circular hole 22, and a small diameter value 32B of the first interference assembling section 32 is located between the upper limit value 51 and a lower limit value 52 of the first assembling circular hole 22, so that interference fit is formed between the first interference assembling section 32 and the first assembling circular hole 22;
the outer diameter of the first cylindrical centering segment 31 is in minimum clearance fit with the inner diameter of the first centering circular hole 21, so that the first cylindrical centering segment 31 is limited from making radial displacement in the first centering circular hole 21.
In this embodiment, the minimum clearance fit refers to a level of clearance fit, and the minimum clearance refers to a fit in which a clearance between an outer diameter of the cylindrical centering section and an inner diameter of the centering circular hole is zero.
In this embodiment, the major diameter value 32A of the first interference fit section 32 is greater than the upper limit value 51 of the first fit circular hole 22, and is adjusted by a technician according to an actual situation.
In this embodiment, the interference fit process includes: as shown in fig. 5, the tolerance zone 5 of the first assembling circular hole 22 in the roller body 2 has an upper limit value 51 and a lower limit value 52, at normal temperature, the major axis value 32A of the first interference assembling section 32 of the left spindle nose 3 is greater than the upper limit value 51, and the minor axis value 32B is located between the upper limit value 51 and the lower limit value 52 of the tolerance zone 5; next, the first cylindrical centering section 31 and the first interference assembly section 32 of the left spindle head 3 are frozen, so that the radial sizes of the first cylindrical centering section 31 and the first interference assembly section 32 are reduced, the large diameter value 32A of the first interference assembly section 32 is smaller than the upper limit value 51 of the first assembly round hole 22, then the first cylindrical centering section 31 and the first assembly round hole 22 are installed, after the normal temperature is recovered, the large diameter end of the first interference assembly section 32 and the first assembly round hole 22 form interference fit, the first cylindrical centering section 31 and the first centering round hole 21 are in minimum clearance fit to limit radial movement of the first cylindrical centering section 31 in the first centering round hole 21, the first interference assembly section 32 is tightly matched with the conical surface of the first assembly round hole 22, self-centering is achieved, and therefore coaxiality between the left spindle head 3 and the roll body 2 is accurately controlled.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1 to 5, the length of the first cylindrical centering section 31 accounts for 1/4 to 1/2 of the length of the left mounting section, and the length of the first interference mounting section 32 accounts for 1/2 to 3/4 of the length of the left mounting section.
In this embodiment, the length of the first interference fit section 32 is controlled, so that the left shaft head 3 can be in better conical interference fit with the roller body 2, and the coaxiality is improved.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1 to 5, the coaxial interference insert fit structure between the right mounting section of the right spindle head 4 and the right mounting hole of the roller body 2 is as follows:
a second centering circular hole 23 and a second assembling circular hole 24 are arranged in the right assembling hole;
a second cylindrical centering section 41 and a second interference assembly section 42 are arranged on the right assembly section, the second interference assembly section 42 is of a cone structure, the large diameter value of the second interference assembly section 42 is larger than the upper limit value of the second assembly circular hole 24, and the small diameter value of the second interference assembly section 42 is located between the upper limit value and the lower limit value of the second assembly circular hole 24, so that interference fit is formed between the second interference assembly section 42 and the second assembly circular hole 24;
the outer diameter of the second cylindrical centering segment 41 is in minimum clearance fit with the inner diameter of the second centering circular hole 23, so that the second cylindrical centering segment 41 is limited from making radial displacement in the second centering circular hole 23.
In this embodiment, the assembling process between the right assembling section of the right spindle head 4 and the right assembling hole of the roller body 2 refers to the process between the left spindle head 3 and the left assembling hole of the roller body 2.
Specifically, as an optional implementation manner in this embodiment, as shown in fig. 1 to 5, the length of the second cylindrical centering section 41 occupies 1/4 to 1/2 of the length of the right assembling section, and the length of the second interference assembling section 42 occupies 1/2 to 3/4 of the length of the right assembling section.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1 to 5, the left spindle head 3 and the right spindle head 4 adopt Cr12Mo1V1.
The utility model discloses inserted battery roll production process does:
the manufacturing method comprises the steps of firstly respectively machining a left shaft head 3, a right shaft head 4 and a roller body 2, controlling coaxiality among a roller surface, a left assembly hole and a right assembly hole by the machined roller body 2, machining the shaft heads, controlling coaxiality of a central hole, a cylindrical centering section and an interference assembly section, selecting Cr12Mo1V1 as the shaft heads, quenching by using an integral salt furnace, polishing the outer surfaces of the shaft heads after hardening, freezing according to designed interference values, and then loading the shaft heads into two ends of the roller body 2.
Because the spindle nose can be assembled after independently processing, therefore, the spindle nose precision can be made higher, the hardness is made higher, the centre bore can be more wear-resisting, and life is longer.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. An embedded battery roller is characterized by comprising
The left end and the right end of the roller body are respectively provided with a left assembling hole and a right assembling hole, and the left assembling hole and the right assembling hole are coaxial;
the left end surface of the left shaft head is provided with a left central hole, the right end of the left shaft head is provided with a left assembling section, and the left assembling section is suitable for being in coaxial interference embedded fit with the left assembling hole;
the right end face of the right shaft head is provided with a right center hole, the left end of the right shaft head is provided with a right assembling section, and the right assembling section is suitable for being in coaxial interference fit with the right assembling hole;
the hardness of the left shaft head and the right shaft head is 60-65HSD.
2. The coin roll for battery of claim 1, wherein,
coaxial interference mosaic fit structure between the left assembly section of left axle head and the left pilot hole of roll body does:
a first centering round hole and a first assembling round hole are arranged in the left assembling hole;
the left assembling section is provided with a first cylindrical centering section and a first interference assembling section, the first interference assembling section is of a cone structure, the major diameter value of the first interference assembling section is larger than the upper limit value of the first assembling circular hole, and the minor diameter value of the first interference assembling section is located between the upper limit value and the lower limit value of the first assembling circular hole, so that interference fit is formed between the first interference assembling section and the first assembling circular hole;
the outer diameter of the first cylindrical centering section is in minimum clearance fit with the inner diameter of the first centering circular hole so as to limit the first cylindrical centering section to make radial displacement in the first centering circular hole.
3. The coin cell roll of claim 2,
the length of the first cylindrical centering section accounts for 1/4-1/2 of the length of the left assembling section, and the length of the first interference assembling section accounts for 1/2-3/4 of the length of the left assembling section.
4. The coin cell roll of claim 1,
the coaxial interference mosaic fit structure between the right assembly section of the right spindle head and the right assembly hole of the roller body is as follows:
a second centering circular hole and a second assembling circular hole are arranged in the right assembling hole;
the right assembling section is provided with a second cylindrical centering section and a second interference assembling section, the second interference assembling section is of a cone structure, the major diameter value of the second interference assembling section is larger than the upper limit value of the second assembling round hole, and the minor diameter value of the second interference assembling section is located between the upper limit value and the lower limit value of the second assembling round hole, so that interference fit is formed between the second interference assembling section and the second assembling round hole;
and the outer diameter of the second cylindrical centering section is in minimum clearance fit with the inner diameter of the second centering round hole so as to limit the second cylindrical centering section to make radial displacement in the second centering round hole.
5. The coin roll for battery of claim 4, wherein,
the length of the second cylindrical centering segment accounts for 1/4-1/2 of the length of the right assembling segment, and the length of the second interference assembling segment accounts for 1/2-3/4 of the length of the right assembling segment.
6. The coin cell roll of claim 1,
the left shaft head and the right shaft head are made of Cr12Mo1V1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022200530883 | 2022-01-10 | ||
| CN202220053088 | 2022-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217798080U true CN217798080U (en) | 2022-11-15 |
Family
ID=83994203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221587550.4U Active CN217798080U (en) | 2022-01-10 | 2022-06-23 | Embedded battery roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217798080U (en) |
-
2022
- 2022-06-23 CN CN202221587550.4U patent/CN217798080U/en active Active
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| GR01 | Patent grant | ||
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