CN219866145U - Split type face gear and clamping tool of face gear - Google Patents
Split type face gear and clamping tool of face gear Download PDFInfo
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- CN219866145U CN219866145U CN202321290644.XU CN202321290644U CN219866145U CN 219866145 U CN219866145 U CN 219866145U CN 202321290644 U CN202321290644 U CN 202321290644U CN 219866145 U CN219866145 U CN 219866145U
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- face gear
- inner core
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- core
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- 238000003801 milling Methods 0.000 claims abstract description 15
- 238000003754 machining Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of clamping tools, and particularly discloses a split type face gear and a clamping tool for the face gear. The utility model provides a clamping instrument of face gear processing, is fixed in milling machine workstation, including expanding child core, the pull rod centering sleeve that the periphery is equipped with the conical surface, is equipped with the tight end that expands in the one end of expanding child core, and the inner core is matched in the periphery of the tight end that expands, and the pull rod centering sleeve passes through bolted connection in expanding child core, and the conical surface of pull rod centering sleeve is matched in the tight end that expands. According to the utility model, the end face gear of the non-standard part is used as a split, and the inner core is conveniently fixed on the fixture for gear milling processing. The fixture fixes the inner core of the workpiece through expansion fastening, has high centering precision, is not easy to deform, has short clamping time, is convenient to use, and is reliable and stable in clamping, and the processing quality of the workpiece is improved.
Description
Technical Field
The utility model relates to the technical field of clamping tools, in particular to a split face gear and a clamping tool for the face gear.
Background
For the face gears of some non-standard components, the structure is special, the milling of the tooth parts is inconvenient, and the tooth parts are required to be fixed through clamping tools when the milling of the tooth parts is performed, but the existing clamping tools are used for clamping workpieces by conventionally compacting the end faces of the face gears of non-standard structures, so that the non-standard face gears cannot be clamped, even if the non-standard face gears can be clamped barely, the milling cutter cannot be used for cutting during processing, or even if the milling is performed, the milling speed is very slow, the processing time is prolonged, and the processing efficiency and the processing precision are reduced. Therefore, the structure of the nonstandard face gear is required to be changed, so that the changed face gear can meet the condition of easy processing. In addition, the existing clamping tool is not firm enough for clamping the face gear, or the workpiece is deformed due to the fact that the clamping tool is too firm when clamping the workpiece, and finally the machining precision of the face gear is not high.
The Chinese patent grant publication number is CN204321851U, the name is a file of two clamps with gear excircle and end face needing grinding, the file comprises a mandrel, a stop part is arranged in the middle of the mandrel, a support column part is arranged at the right end part of the mandrel, an expansion sleeve is sleeved on the support column part, a middle hole corresponding to the working hole is arranged on the expansion sleeve, flat keys are further arranged on the right end face of the support column part and the right end part of the expansion sleeve, a gear workpiece is arranged at the outer side of the expansion sleeve, and the inner side wall of the expansion sleeve is a sliding surface matched with the outer circumference of the support column part; and the shoulder bolts penetrate through the expansion sleeve to push the expansion sleeve to expand the expansion sleeve, so that the gear workpiece is tightly propped up. The fixture is convenient to clamp, easy to realize, high in positioning accuracy and capable of positioning the expansion sleeve for the fixture. However, a certain distance for the expansion sleeve to translate is required to be arranged between the expansion sleeve and the stop part of the tool, otherwise, the shoulder bolt cannot push the expansion sleeve to translate so as to expand the expansion sleeve, and the expansion sleeve has a complex structure and is required to be connected with the support column part by arranging a middle hole matched with a flat key. In addition, the gear workpiece is fixed with the gear workpiece to be processed, which causes that even though the clamp clamps the gear workpiece, the gear workpiece to be processed cannot be clamped and fixed, and the accuracy of the gear workpiece is reduced during processing.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the problems in the prior art in the background technology, an improved split face gear and a clamping tool for the face gear are provided.
The technical scheme adopted for solving the technical problems is as follows:
the split type face gear comprises an outer disc and an inner core, wherein a groove is formed in one side end face of the outer disc along the circumferential direction, the inner core is fixed in the groove in a matched mode, and teeth are formed in one side end face of the inner core along the circumferential direction.
According to the utility model, the face gear of the non-standard part is made into a split type, namely the outer disc, the inner core, the outer disc and the inner core blank can be respectively processed, teeth are arranged on the end face of the inner core, and the inner core is not provided with a boss and other structures, so that the face gear is conveniently fixed on a clamp for milling teeth, and after the face gear is respectively processed, the face gear and the inner core blank are connected into an integral face gear through screws.
Further, a boss I is arranged in the center of one side end face of the outer disc, and the boss I is located in the center of the groove.
According to the utility model, the inner hole of the outer disc is fixedly connected with the corresponding working shaft, and the boss I is arranged along the inner hole of the long outer disc, so that the connection and the fixation of the outer disc and the working shaft are firmer and more stable.
Further, a through hole is arranged in the center of the inner core, and the first boss is matched in the through hole.
The through hole is arranged in the center of the inner core, so that the through hole is matched with the boss I conveniently, and the through hole is clamped and fixed on the clamp conveniently.
Further, the first boss is higher than the inner core.
Further, the teeth are positioned at the periphery of the boss I, and the clearance distance is arranged between the inner circumferential surface of the teeth and the circumferential surface of the boss I.
The utility model sets the clearance distance between the inner circumferential surface of the tooth and the circumferential surface of the boss I to prevent interference when the tooth is close to the boss I.
The utility model provides a clamping instrument of face gear processing, is fixed in milling machine workstation, includes the expansion child core, the pull rod centering sleeve that the periphery is equipped with the conical surface the one end of expansion child core be equipped with the tight end that expands, the inner core cooperate in the periphery of tight end that expands, the pull rod centering sleeve pass through bolted connection in the expansion child core in, the conical surface of pull rod centering sleeve cooperate in the tight end that expands.
According to the utility model, the bolt is arranged in the pull rod centering sleeve and is in threaded connection with the expansion tire core body, the pull rod centering sleeve moves along the axial direction of the expansion tire core body along with the screwing of the bolt, and the conical surface of the pull rod centering sleeve can press the expansion end outwards to expand the expansion end outwards along the radial direction so as to expand and fix the inner core of the workpiece, thereby ensuring the positioning precision and stability of the inner core workpiece, preventing the inner core workpiece from deforming in the processing process and improving the processing quality of the inner core workpiece.
Further, a boss II is arranged at one end of the expanding tire core body along the circumferential direction, and one side end face of the inner core abuts against the boss II.
According to the utility model, the boss II is arranged, so that one side end face of the inner core abuts against the boss II, deflection of the inner core is prevented when the inner core is fixed by expanding, the inner core is fixed by the clamp more stably and firmly, and the milling quality is improved.
Further, the end face of the expansion end is uniformly provided with two notches along the circumferential direction, and the opening direction of the notches is arranged along the radial direction of the expansion tire core body.
The utility model is provided with the notch, so that the expansion end can deform and expand outwards to effectively expand and fix the workpiece.
The utility model has the advantages that,
according to the utility model, the face gear of the non-standard part is made into a split type, namely the outer disc and the inner core, the outer disc and the inner core blank can be respectively processed, and the end face of the inner core is provided with teeth, so that the inner core is convenient to fix on a clamp for tooth milling processing because of no boss and other structures. After the processing, the two are connected into an integral face gear through screws. The face gear structure is suitable for various non-standard parts which are not easy to process teeth.
The inner core of the utility model is sleeved on the periphery of the expansion end of the expansion core, the pull rod centering sleeve is arranged in the expansion core, the bolt is arranged in the pull rod centering sleeve and is in threaded connection with the expansion core, the pull rod centering sleeve moves along the axial direction of the expansion core along with the screwing of the bolt, the conical surface of the pull rod centering sleeve can press the expansion end outwards in the radial direction, so that the expansion end expands outwards to expand and fasten the inner core of a workpiece, and the workpiece is in clearance fit with the fixture after being expanded, thereby having high centering precision and being difficult to deform. The clamp has the advantages of simple structure, short clamping time, high efficiency, convenient use, reliable and stable clamping and ensured processing quality of workpieces.
Drawings
FIG. 1 is a schematic view of the split face gear of the present utility model;
FIG. 2 is a schematic structural view of an outer disc;
FIG. 3 is a schematic structural view of the core;
FIG. 4 is a schematic view of the structure of the clamping tool of the present utility model for clamping an inner core workpiece;
FIG. 5 is a schematic cross-sectional structural view of an inflated tire core;
fig. 6 is a schematic left-hand structural view of the inflated tire core.
In the figure: 1. the outer disc, 101, the groove, 102, the boss I, 2, the inner core, 201, the tooth, 202, the through hole, 3, the expanding tire core, 301, the expanding end, 302, the boss II, 303, the opening, 304, the first hole, 305, the second hole, 306, the third hole, 307, the inner conical surface, 4, the pull rod centering sleeve, 401, the cylinder, 402, the stepped hole, 5 and the bolt.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Referring to fig. 1 to 6, a split face gear comprises an outer disc 1 and an inner core 2, wherein a groove 101 is formed in one side end face of the outer disc 1 along the circumferential direction, the inner core 2 is matched in the groove 101 and fixed with the outer disc 1 through a screw, and teeth 201 are formed in one side end face of the inner core 2 along the circumferential direction.
A boss I102 is arranged in the center of one side end face of the outer disc 1, and the boss I102 is positioned in the center of the groove 101; a through hole 202 is arranged in the center of the inner core 2, and a boss I102 is matched in the through hole 202; the boss I102 has a height H, and the inner core 2 has a height H > H.
The tooth 201 is located at the periphery of the boss one 102, and the inner circumferential surface of the tooth 201 is provided with a gap distance L from the circumferential surface of the boss one 102.
The utility model provides a clamping instrument of face gear processing, is fixed in milling machine workstation, includes that the telescopic tire core 3, the periphery is equipped with the pull rod centering sleeve 4 of conical surface, is equipped with the tight end 301 of expansion in the one end of telescopic tire core 3, and inner core 2 passes through the periphery of through-hole 202 cooperation in tight end 301 of expansion.
The inner side of the expansion end 301 is provided with an inner conical surface 307, and the conical surface of the pull rod centering sleeve 4 is matched with the inner conical surface 307 of the expansion end 301.
The other end of the pull rod centering sleeve 4 far away from the conical surface is a cylinder 401, and the cylinder 401 of the pull rod centering sleeve 4 is matched in the second hole 305 of the expanded tire core 3; the pull rod centering sleeve 4 is internally provided with a stepped hole 402, the stepped hole 402 penetrates through a bolt 5, the bolt 5 is an inner hexagon bolt and is provided with a bolt head, the end face of the bolt head of the bolt 5 abuts against the stepped surface of the stepped hole 402, and the bolt 5 is in threaded connection with the third hole 306 of the tyre expanding core body 3.
One end of the tyre expanding core body 3 is provided with a second boss 302 along the circumferential direction, one side end face of the inner core 2 abuts against the second boss 302, and the expanding end 301 is positioned on the inner side of the second boss 302.
The end face of the expansion end 301 is uniformly provided with two notches 303 along the circumferential direction, and the opening direction of the notches 303 is arranged along the radial direction of the expansion core body 3.
The principles of the present utility model are further described below:
the face gear of the non-standard part is made into a split type, namely, the outer disc 1 and the inner core 2, blank pieces of the outer disc 1 and the inner core 2 can be respectively processed, and the end face of the inner core 2 is provided with teeth 201, so that the inner core 2 is convenient to fix on a clamp for tooth milling processing because of no boss and other structures. After the processing, the two are connected into an integral face gear through screws.
When the blank of the inner core 2 is required to be fixed during gear milling, the inner core 2 is sleeved on the periphery of the expansion end 301 of the expansion core body 3, then the pull rod centering sleeve 4 is arranged in the expansion core body 3, the bolt 5 is arranged in the pull rod centering sleeve 4 and is in threaded connection with the expansion core body 3, the pull rod centering sleeve 4 can move along the axial direction of the expansion core body 3 along with screwing of the bolt 5, the conical surface of the pull rod centering sleeve 4 can press the expansion end 301 outwards, the expansion end 301 expands outwards along the radial direction to expand the inner core 2 of a workpiece, and after the workpiece is expanded, the workpiece is in clearance fit with a fixture, so that the centering precision is high. The clamping tool is used for clamping the workpiece, has the advantages of short clamping time, high efficiency, convenience in use, fixation and stability in clamping, and ensures the processing quality of the workpiece.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (8)
1. A split face gear is characterized in that: the novel inner core comprises an outer disc (1) and an inner core (2), wherein a groove (101) is formed in one side end face of the outer disc (1) along the circumferential direction, the inner core (2) is fixed in the groove (101) in a matched mode, and teeth (201) are formed in one side end face of the inner core (2) along the circumferential direction.
2. The split face gear of claim 1, wherein: a boss I (102) is arranged in the center of one side end face of the outer disc (1), and the boss I (102) is positioned in the center of the groove (101).
3. The split face gear of claim 2, wherein: a through hole (202) is arranged in the center of the inner core (2), and the boss I (102) is matched in the through hole (202).
4. A split face gear according to claim 3, wherein: the height of the boss I (102) is larger than that of the inner core (2).
5. A split face gear according to claim 3, wherein: the teeth (201) are positioned on the periphery of the boss I (102), and a clearance distance is arranged between the inner circumferential surface of the teeth (201) and the circumferential surface of the boss I (102).
6. A clamping tool for processing an end face gear is fixed on a milling machine workbench and is characterized in that: the split face gear comprises a tyre expansion core body (3) and a pull rod centering sleeve (4) with conical surfaces at the periphery, wherein an expansion end (301) is arranged at one end of the tyre expansion core body (3), an inner core (2) in the split face gear is matched with the periphery of the expansion end (301), the pull rod centering sleeve (4) is connected into the tyre expansion core body (3) through a bolt (5), and the conical surfaces of the pull rod centering sleeve (4) are matched with the expansion end (301).
7. The face gear machining clamping tool according to claim 6, wherein: one end of the tyre expanding core body (3) is provided with a second boss (302) along the circumferential direction, and one side end face of the inner core (2) abuts against the second boss (302).
8. The face gear machining clamping tool according to claim 6, wherein: the end face of the expansion end (301) is uniformly provided with two notches (303) along the circumferential direction, and the opening direction of the notches (303) is arranged along the radial direction of the expansion core body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290644.XU CN219866145U (en) | 2023-05-25 | 2023-05-25 | Split type face gear and clamping tool of face gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290644.XU CN219866145U (en) | 2023-05-25 | 2023-05-25 | Split type face gear and clamping tool of face gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219866145U true CN219866145U (en) | 2023-10-20 |
Family
ID=88337314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321290644.XU Active CN219866145U (en) | 2023-05-25 | 2023-05-25 | Split type face gear and clamping tool of face gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219866145U (en) |
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2023
- 2023-05-25 CN CN202321290644.XU patent/CN219866145U/en active Active
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