CN110756918A - Gear clamping device for gear grinding machine - Google Patents
Gear clamping device for gear grinding machine Download PDFInfo
- Publication number
- CN110756918A CN110756918A CN201911193422.4A CN201911193422A CN110756918A CN 110756918 A CN110756918 A CN 110756918A CN 201911193422 A CN201911193422 A CN 201911193422A CN 110756918 A CN110756918 A CN 110756918A
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- gear
- disc
- locking block
- grinding machine
- locking
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- 238000003825 pressing Methods 0.000 claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention provides a gear clamping device for a gear grinding machine, which comprises: the clamping device comprises a clamping body, wherein a connecting disc fixedly connected with a gear grinding machine is arranged on the clamping body, a conical table used for sleeving a gear inner hole is arranged on the upper surface of the connecting disc, and a plurality of mounting surfaces are arranged on the outer side surface of the conical table at equal intervals; the pressing assembly comprises a locking block, a pressing disc, a bolt and a nut, the locking block is arranged on the mounting surface in a sliding mode, the bottom surface of the pressing disc is attached to the top surface of the locking block, the nut is arranged on the top surface of the pressing disc, and the bolt penetrates through the connecting disc, the conical table and the pressing disc and is connected with the nut; the pressing disc presses the locking block downwards under the action of nut locking force, so that the locking block is outwards expanded along the side surface of the conical table to lock the inner hole of the gear. The gear inner hole is fixed by pressing the locking block downwards through the pressing disc, so that the structure is simple, and the fixation is firm and quick.
Description
Technical Field
The invention relates to the technical field of gear grinding machining, in particular to a gear clamping device for a gear grinding machine.
Background
The gear is in process of production, need fix the gear on the gear grinding machine, to the great gear of volume, the external fixation from the gear is more difficult, often adopts fixed frock to fix from the hole of gear, in order to guarantee that the gear is fixed firm, often adopts interference fit's mode with the outer cylinder of the hole of gear and fixed frock, and this kind of mode installation and dismantlement all need consume a large amount of manpowers, and production efficiency is low.
Disclosure of Invention
In view of the above, the invention provides a gear clamping device for a gear grinding machine, which has a simple structure, can be rapidly and firmly assembled with a gear, and can be rapidly disassembled in a labor-saving manner.
The technical scheme of the invention is realized as follows: the invention provides a gear clamping device for a gear grinding machine, which comprises: the clamping device comprises a clamping body, wherein a connecting disc fixedly connected with a gear grinding machine is arranged on the clamping body, a conical table used for sleeving a gear inner hole is arranged on the upper surface of the connecting disc, and a plurality of mounting surfaces are arranged on the outer side surface of the conical table at equal intervals; the pressing assembly comprises a locking block, a pressing disc, a bolt and a nut, the locking block is arranged on the mounting surface in a sliding mode, the bottom surface of the pressing disc is attached to the top surface of the locking block, the nut is arranged on the top surface of the pressing disc, and the bolt penetrates through the connecting disc, the conical table and the pressing disc and is connected with the nut; the pressing disc presses the locking block downwards under the action of nut locking force, so that the locking block is outwards expanded along the side surface of the conical table to lock the inner hole of the gear.
On the basis of the technical scheme, preferably, the mounting surface on the outer side surface of the conical table is a downward inclined plane, a dovetail slide rail inclined downwards is arranged on the plane, and a dovetail groove matched with the dovetail slide rail is arranged on the locking block.
Further, it is preferred, the latch segment has last locking surface and locking surface down, the latch segment lateral surface is provided with first vertical arcwall face, first vertical arcwall face is connected with last locking surface and lower constricting surface respectively, the offside of first vertical arcwall face be provided with installation face matched with slip plane, be provided with on the slip plane with forked tail slide rail matched with dovetail, slip plane is connected last locking surface and lower locking surface respectively, just the slip plane is along last locking surface slope downwards.
Further, preferably, the first vertical arc-shaped surface is provided with an anti-slip portion.
On the basis of the above technical solution, preferably, the pressing assembly further includes a connecting member for connecting the pressing disc and the locking block to each other.
Further, it is preferable that the outer peripheral face of the compression disc is provided with a first mounting groove, a second mounting groove is formed in a first vertical arc-shaped face of the locking block, annular grooves are horizontally formed in two side walls of the second mounting groove respectively, one end of the connecting piece is fixedly connected with the first mounting groove, the other end of the connecting piece is inserted into the second mounting groove, and a pin shaft matched with the annular grooves in a sliding mode is arranged at the other end of the connecting piece.
On the basis of the above technical scheme, preferably, the tapered platform is provided with a through hole along the axis direction, the bottom of the connecting disc is provided with a bolt hole communicated with the through hole, the bottom of the pressing disc is provided with a sleeve, the sleeve part is inserted into the through hole, one end of the bolt is inserted into the bolt hole, and the other end of the bolt penetrates through the through hole, the sleeve and the pressing disc and is connected with the nut.
Compared with the prior art, the invention has the following beneficial effects:
the gear clamping device for the gear grinding machine disclosed by the invention is characterized in that the clamping body is provided with the conical table, and the outer side surface of the conical table is provided with a plurality of locking blocks which can slide along the outer side surface of the conical table at equal intervals. When the gear needs to be clamped, the connecting disc on the clamping body is fixed on the gear grinding machine, the gear is sleeved on the revolving body formed by the locking block, and then the bolt sequentially penetrates through the connecting disc, the conical table and the pressing disc and is connected through the nut. Under the condition of continuously locking the nut, compress tightly the dish and push down the latch segment, the latch segment outwards expands along the toper platform lateral surface, and the latch segment slides gradually to the big diameter end in toper platform bottom, and the external diameter of the solid of revolution that the latch segment formed will increase, and the outer wall of latch segment becomes interference fit with the hole of gear by clearance fit to accomplish the fixed of gear, simple structure fixes firm and fast moreover. When the gear needs to be disassembled, the nut only needs to be rotated to push the gear upwards, and then the locking block can be driven to slide upwards along the conical table, so that the inner hole of the gear is separated from the outer wall of the locking block, and the disassembly is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a gear clamping device for a gear grinding machine according to the present invention;
FIG. 2 is an exploded view of the disclosed gear clamping device for a gear grinding machine;
FIG. 3 is a schematic perspective view of a clamping body according to the present disclosure;
FIG. 4 is a schematic perspective view of a pressing plate according to the present disclosure;
FIG. 5 is a schematic front perspective view of a locking block disclosed herein;
FIG. 6 is a schematic side perspective view of a locking block disclosed herein;
fig. 7 is a partial enlarged view of the invention at a in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and in combination with fig. 2, the gear clamping device for a gear grinding machine disclosed by the invention comprises: the clamping body 1 is provided with a connecting disc 11 fixedly connected with a gear grinding machine on the clamping body 1, and when the clamping body is used, the connecting disc 11 and the gear grinding machine are fixedly connected through bolts. The upper surface of the connecting disc 11 is provided with a conical table 12 for sleeving a gear inner hole, and the outer side surface of the conical table 12 is provided with a plurality of mounting surfaces 121 at equal intervals; the pressing assembly 2 comprises a locking block 21, a pressing disc 22, a bolt 23 and a nut 24, wherein the locking block 21 is arranged on the mounting surface 121 in a sliding mode, the bottom surface of the pressing disc 22 is attached to the top surface of the locking block 21, and the diameter of the outer peripheral ring of the pressing disc 22 is in clearance fit with the inner hole of the gear. The nut 24 is arranged on the top surface of the pressing disc 22, and the bolt 23 penetrates through the connecting disc 11, the conical table 12 and the pressing disc 22 and is connected with the nut 24; wherein, the pressing disc 22 presses the locking block 21 downwards under the locking action of the nut 24, so that the locking block 21 expands outwards along the side surface of the conical table 12 to lock the inner hole of the gear.
By adopting the technical scheme, when the gear grinding machine is used, the connecting disc 11 is firstly fixed on the gear grinding machine through the bolts 23, the diameter of the revolving body formed by the locking block 21 around the conical table 12 is adjusted, the diameter of the revolving body formed by the locking block 21 is smaller than the diameter of the inner hole of the gear, namely, clearance fit is formed, then the inner hole of the gear is sleeved on the outer peripheral surface of the locking block 21, and the lower end surface of the gear is abutted against the upper end surface of the connecting disc 11. The bolts 23 are passed through the connecting plate 11, the tapered table 12, and the pressing plate 22 in this order, and are connected by nuts 24. Under the condition of continuously locking the nut 24, the pressing disc 22 presses the locking block 21 downwards, the locking block 21 expands outwards along the outer side surface of the conical table 12, the locking block 21 slides to the large-diameter end of the bottom of the conical table 12 gradually, the outer diameter of a revolving body formed by the locking block 21 is increased, the outer wall of the locking block 21 and the inner hole of the gear are changed into interference fit through clearance fit, and therefore the gear is fixed.
Referring to fig. 3, in particular, the mounting surface 121 on the outer side surface of the tapered platform 12 is a plane inclined downward, thereby forming the upper end surface of the tapered platform 12 as a small diameter end and the lower end surface as a large diameter end. The plane is provided with a dovetail slide rail 122 which inclines downwards, the locking block 21 is provided with a dovetail groove 211, and the locking block 21 can slide along the mounting surface 121 on the outer side surface of the conical table 12 through the matching connection of the dovetail groove 211 and the dovetail slide rail 122.
Referring to fig. 5 and 6, the locking block 21 further includes an upper locking surface 212 and a lower locking surface 213, both of the upper locking surface 212 and the lower locking surface 213 are horizontal surfaces, the upper locking surface 212 is attached to the lower end surface of the pressing plate 22 in use, and the lower locking surface 213 is attached to the upper end surface of the connecting plate 11 when sliding to the lowest end of the tapered table 12. The outer side surface of the locking block 21 is provided with a first vertical arc-shaped surface 214, the first vertical arc-shaped surface 214 is respectively connected with the upper locking surface 212 and the lower tightening surface, the opposite side of the first vertical arc-shaped surface 214 is provided with a sliding plane 215 matched with the mounting surface 121, the sliding plane 215 is provided with a dovetail groove 211 matched with the dovetail slide rail 122, the sliding plane 215 is respectively connected with the upper locking surface 212 and the lower locking surface 213, and the sliding plane 215 inclines downwards along the upper locking surface 212.
Under the structure, the locking block 21 is matched with the dovetail slide rail 122 on the mounting surface 121 through the dovetail groove 211, when a gear needs to be clamped on a gear grinding machine, firstly, the inner hole of the gear is sleeved on the locking block 21, and the bottom end face of the gear is attached to the upper end face of the connecting disc 11. When the pressing disc 22 is subjected to the fastening force of the nut 24, the pressing disc 22 pushes the locking blocks 21 to slide downwards along the mounting surface 121, and simultaneously, when the revolving body formed by the locking blocks 21 slides gradually from the small-diameter end to the large-diameter end of the conical table 12, the diameter of the revolving body formed by the locking blocks 21 is gradually increased. The inner hole of the gear can be abutted through the first vertical arc-shaped surface 214 of the locking block 21, so that the inner hole of the gear is tightly supported by the revolving body formed by the locking blocks 21, and finally the gear is clamped and fixed on the gear grinding machine.
In the present embodiment, the first vertical arc-shaped surface 214 is provided with a skid-proof portion 216. The anti-slip portion 216 may be a strip-shaped protrusion arranged up and down along the first vertical arc-shaped surface 214, or may be a dot-shaped protrusion. The anti-skid part 216 is arranged on the first vertical arc-shaped surface 214, so that the engaging force between the locking block 21 and the inner hole of the gear can be increased, the gear cannot axially or radially move around the locking block 21, and the clamping precision of the gear on the gear grinding machine is improved.
Referring to fig. 4 and 7, in the present embodiment, the pressing assembly 2 further includes a connecting member 25 for connecting the pressing plate 22 and the locking block 21 to each other. Specifically, the outer peripheral surface of the pressing disc 22 is provided with a first mounting groove 221, a second mounting groove 217 is arranged on the first vertical arc-shaped surface 214 of the locking block 21, annular grooves 218 are horizontally arranged on two side walls of the second mounting groove 217 respectively, one end of the connecting piece 25 is fixedly connected with the first mounting groove 221, the other end of the connecting piece 25 is inserted into the second mounting groove 217, and the other end of the connecting piece 25 is provided with a pin shaft 251 which is matched with the annular groove 218 in a sliding manner. Under the above structure, one end of the connecting member 25 is fixedly connected to the pressing plate 22 through the first mounting groove 221, and the other end of the connecting member can horizontally slide in the second mounting groove 217 of the locking block 21, and meanwhile, the pin 251 at the end of the connecting member 25 is connected to the annular groove 218 of the second mounting groove 217 in a matching manner, so that the locking block 21 can horizontally slide on the lower end surface of the pressing plate 22 through the connecting member 25, and the connecting member 25 can be prevented from being separated from the second mounting groove 217, thereby maintaining the horizontal sliding connection between the pressing plate 22 and the locking block 21 in real time.
In this embodiment, the conical table 12 is provided with a through hole 123 along the axial direction, the bottom of the connecting disc 11 is provided with a bolt hole 111 communicated with the through hole 123, the bottom of the pressing disc 22 is provided with a sleeve 222, the sleeve 222 is partially inserted into the through hole 123, one end of the bolt 23 is inserted into the bolt hole 111, and the other end passes through the through hole 123, the sleeve 222 and the pressing disc 22 and is connected with the nut 24. Under the above structure, the bolt hole 111 can be used to clamp the end cap of the bolt 23, and the sleeve 222 arranged at the bottom of the pressing disk 22 is partially inserted into the through hole 123, so that the pressing disk 22 and the conical table 12 can be kept coaxial, and the pressing disk 22 is prevented from shifting in the process of pressing down the locking block 21. Meanwhile, the sleeve 222 is partially inserted into the through hole 123, so that the sleeve 222 can have a certain stroke space in the through hole 123 when the sleeve 222 is guided by the through hole 123 and the pressing disc 22 is pressed downwards.
The working principle of the invention is as follows:
firstly, the connecting disc 11 is fixed on a gear grinding machine through a bolt 23, the pressing disc 22 is dragged to move upwards to drive the locking block 21 to move upwards along the conical table 12, and the diameter of a revolving body formed by the locking block 21 around the conical table 12 is adjusted to enable the diameter of the revolving body formed by the locking block 21 to be smaller than the diameter of an inner hole of a gear to form clearance fit. Then, the inner hole of the gear is sleeved on the outer peripheral surface of the locking block 21, and the lower end surface of the gear is abutted against the upper end surface of the connecting disc 11. The bolt 23 is inserted through the bolt hole 111, the through hole 123, and the sleeve 222 in this order, and is coupled to the nut 24 on the upper surface of the connection plate 11. The nut 24 is continuously rotated downwards along the direction of the bolt 23, so that the nut 24 presses the pressing disc 22 in the screwing process, and the diameter of the rotator formed by the locking block 21 is gradually increased when the rotator formed by the locking block 21 is driven to slide gradually from the small-diameter end to the large-diameter end of the conical table 12. The inner hole of the gear can be abutted through the first vertical arc-shaped surface 214 of the locking block 21, so that the inner hole of the gear is tightly supported by the revolving body formed by the locking blocks 21, and finally the gear is clamped and fixed on the gear grinding machine. When the gear needs to be disassembled, the nut 24 is reversely screwed, the gear is pushed upwards, the locking block 21 can be driven to slide upwards along the conical table 12, and therefore the inner hole of the gear is separated from the outer wall of the locking block 21, and the disassembly is achieved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a gear clamping device for gear grinding machine which characterized in that includes: the clamping device comprises a clamping body (1), wherein a connecting disc (11) fixedly connected with a gear grinding machine is arranged on the clamping body (1), a conical table (12) used for sleeving a gear inner hole is arranged on the upper surface of the connecting disc (11), and a plurality of mounting surfaces (121) are arranged on the outer side surface of the conical table (12) at equal intervals; the pressing assembly (2) comprises a locking block (21), a pressing disc (22), a bolt (23) and a nut (24), the locking block (21) is arranged on the mounting surface (121) in a sliding mode, the bottom surface of the pressing disc (22) is attached to the top surface of the locking block (21), the nut (24) is arranged on the top surface of the pressing disc (22), and the bolt (23) penetrates through the connecting disc (11), the conical table (12) and the pressing disc (22) and is connected with the nut (24); wherein, compress tightly dish (22) and push down latch segment (21) under nut (24) locking effort, make latch segment (21) expand outward along toper platform (12) side with the locking gear hole.
2. A gear clamping device for a gear grinding machine according to claim 1, characterized in that: the mounting surface (121) on the outer side surface of the conical table (12) is a downward inclined plane, a dovetail slide rail (122) inclined downwards is arranged on the plane, and a dovetail groove (211) matched with the dovetail slide rail (122) is arranged on the locking block (21).
3. A gear clamping device for a gear grinding machine according to claim 2, characterized in that: the latch segment (21) has last locking surface (212) and lower locking surface (213), latch segment (21) lateral surface is provided with first vertical arcwall face (214), first vertical arcwall face (214) respectively with last locking surface (212) with lock face (213) down and be connected, the offside of first vertical arcwall face (214) be provided with installation face (121) matched with slip plane (215), be provided with on slip plane (215) with dovetail slide rail (122) matched with (211), last locking surface (212) and lower locking surface (213) are connected respectively to slip plane (215), just slip plane (215) are along last locking surface (212) slope downwards.
4. A gear clamping device for a gear grinding machine according to claim 3, characterized in that: an anti-skid part (216) is arranged on the first vertical arc-shaped surface (214).
5. A gear clamping device for a gear grinding machine according to claim 3, characterized in that: the pressing assembly (2) further comprises a connecting piece (25) used for connecting the pressing disc (22) and the locking block (21) with each other.
6. The gear clamping device for the gear grinding machine according to claim 5, wherein: the outer peripheral face of compressing tightly dish (22) is provided with first mounting groove (221), be provided with second mounting groove (217) on the first vertical arcwall face (214) of latch segment (21), the level is provided with ring channel (218) respectively on the both sides wall of second mounting groove (217), the one end and the first mounting groove (221) fixed connection of connecting piece (25), the other end is pegged graft in second mounting groove (217), and the other end of connecting piece (25) is provided with and cooperates gliding round pin axle (251) with ring channel (218).
7. The gear clamping device for the gear grinding machine according to claim 5, wherein: the cone-shaped platform (12) is provided with a through hole (123) along the axial direction, the bottom of the connecting disc (11) is provided with a bolt hole (111) communicated with the through hole (123), the bottom of the compression disc (22) is provided with a sleeve (222), the sleeve (222) is partially inserted into the through hole (123), one end of the bolt (23) is inserted into the bolt hole (111), and the other end of the bolt passes through the through hole (123), the sleeve (222) and the compression disc (22) and is connected with the nut (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911193422.4A CN110756918B (en) | 2019-11-28 | 2019-11-28 | Gear clamping device for gear grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911193422.4A CN110756918B (en) | 2019-11-28 | 2019-11-28 | Gear clamping device for gear grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN110756918A true CN110756918A (en) | 2020-02-07 |
| CN110756918B CN110756918B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911193422.4A Active CN110756918B (en) | 2019-11-28 | 2019-11-28 | Gear clamping device for gear grinding machine |
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| CN (1) | CN110756918B (en) |
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| CN207681649U (en) * | 2018-01-05 | 2018-08-03 | 双环传动（嘉兴）精密制造有限公司 | A kind of disk gear precise grinding clamp |
| CN209578386U (en) * | 2019-02-25 | 2019-11-05 | 青岛三星精锻齿轮有限公司 | The roller gear clamping workpiece device of roll flute processing |
| CN209598348U (en) * | 2019-03-13 | 2019-11-08 | 定州市新华机械制造有限公司 | Gear grinding machines workpiece positioning clamp |
| CN211072102U (en) * | 2019-11-28 | 2020-07-24 | 湖北恒盈齿轮有限公司 | Gear clamping device for gear grinding machine |
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2019
- 2019-11-28 CN CN201911193422.4A patent/CN110756918B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005262354A (en) * | 2004-03-17 | 2005-09-29 | Fuso Engineering Corp | Workpiece cutting tool and workpiece cutting processing line |
| DE202014103578U1 (en) * | 2013-08-01 | 2014-08-11 | Zhejiang Hengcheng Cemented Carbide Co., Ltd. | A fine grinding and part clamping device for a polyhedral punch |
| KR20150034450A (en) * | 2013-09-26 | 2015-04-03 | (주) 성화기계 | Gear shaving collet type jig |
| CN204053149U (en) * | 2014-08-26 | 2014-12-31 | 河南蒲瑞精密机械有限公司 | Workpiece centering clamping device |
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| CN110756918B (en) | 2024-05-28 |
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