CN110682125B - Taper hole gear single pulling bond clamp and adjusting method - Google Patents
Taper hole gear single pulling bond clamp and adjusting method Download PDFInfo
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- CN110682125B CN110682125B CN201910890313.1A CN201910890313A CN110682125B CN 110682125 B CN110682125 B CN 110682125B CN 201910890313 A CN201910890313 A CN 201910890313A CN 110682125 B CN110682125 B CN 110682125B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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Abstract
The invention relates to a taper hole gear single pulling clamp and an adjusting method, and solves the problems that the existing single pulling clamp is poor in positioning accuracy, angles of teeth and key grooves of a taper hole part cannot be accurately adjusted, and the adjusting time is long. The taper hole gear single pull key clamp comprises a clamp base, a tooth aligning gauge, a positioning sleeve, a taper sleeve, a cylindrical pin, a first spring, a clamping ring and a second spring; the clamp base comprises a base body and a mounting column; the tooth gauge is arranged at the upper end of the base body; the conical sleeve is sleeved on the mounting column; one end of the cylindrical pin is fixedly arranged on the conical sleeve, and the other end of the cylindrical pin is sleeved with a first spring and is arranged in the axial groove of the base body; the positioning sleeve is sleeved on the conical sleeve and is fixedly connected with the base body; the snap ring both sides are provided with the through-hole, and the both sides of erection column are provided with the fixed column, and the snap ring setting is in the circumference recess of erection column, and the fixed column is located the through-hole, is provided with the second spring between snap ring and the erection column.
Description
Technical Field
The invention relates to a taper hole part clamping device, in particular to a taper hole gear single pull key clamp and an adjusting method.
Background
The existing single pulling clamp is mainly used for a key groove with an inner hole being a straight hole and the like, and for the single pulling clamp with the inner hole being a taper hole, a fixing device is not arranged after the taper hole part is clamped, the single pulling clamp is easy to drop or separate from the clamp, so that the positioning precision is poor, especially, the single pulling clamp cannot be automatically fixed when the angle of the taper hole is large and needs to be held by hand, and potential safety hazards exist during operation. Meanwhile, when the existing single pulling key fixture is used for machining the taper hole part, the angles of the teeth and the key grooves of the taper hole part cannot be accurately adjusted, and the adjustment time is long.
Disclosure of Invention
The invention aims to solve the problems that an existing single pull key clamp is poor in positioning accuracy, angles of teeth and key grooves of a taper hole part cannot be accurately adjusted, and adjustment time is long.
The technical scheme of the invention is as follows:
a taper hole gear single pull key clamp comprises a clamp base, a tooth aligning gauge, a positioning sleeve, a taper sleeve, a cylindrical pin, a first spring, a clamping ring and a second spring; the clamp base comprises a base body and a mounting column arranged on one side of the base body; a plurality of axial grooves are formed in one side, provided with a mounting column, of the base body, a circumferential groove is formed in one end of the mounting column, and meanwhile, a machining groove through which a cutter passes is formed in the axial direction of the mounting column; the tooth gauge is arranged at the upper end of the base body and can slide on the upper end of the base body; the outer peripheral surface of the conical sleeve is a conical surface, and the conical sleeve is sleeved on the mounting column and can slide on the mounting column; the plurality of cylindrical pins are fixedly arranged on the conical sleeve at one end, and the first spring is sleeved at the other end and is arranged in the axial groove of the base body; the positioning sleeve is sleeved on the conical sleeve and is fixedly connected with the base body; the clamping ring is characterized in that through holes are formed in two sides of the clamping ring, fixing columns are arranged on two sides of the mounting column, the clamping ring is arranged in a circumferential groove of the mounting column, the fixing columns are located in the through holes, a second spring is arranged between the clamping ring and the mounting column, the clamping ring can reset on the mounting column through the second spring, and the clamping ring and the positioning sleeve are used for axially limiting a processed part.
Further, a cutter pad is arranged in the processing groove and used for adapting to key grooves with different depths.
Further, the axis of the cylindrical pin is parallel to the center line of the mounting column.
Furthermore, one end of the conical sleeve is provided with an annular boss, the annular boss is provided with a plurality of mounting holes, and the cylindrical pin is arranged in the mounting holes in an interference mode.
Furthermore, the other side of the base body is provided with a weight reduction groove for chip removal and weight reduction.
Furthermore, the locating sleeve is matched with the base body through a spigot.
Further, be provided with the slider on the tooth gauge, base body upper end sets up the slide rail, the cooperation of slider and slide rail is passed through to the tooth gauge, realizes the slip on base body to the tooth gauge.
Further, be provided with waist shape hole on the tooth rule, the base body upper end is provided with the bolt, pass through the removal of bolt in waist shape hole to the tooth rule, realize the slip on the base body to the tooth rule.
Meanwhile, the invention also provides an angle error adjusting method based on the taper hole gear single pull key clamp, which comprises the following steps of:
step one, mounting a dial indicator on one side of a tooth gauge;
step two, zero calibration is carried out on the dial indicator;
sliding the tooth gauge along the compensation angle direction, and then deflecting the dial indicator;
step four, when the deflection value of the pointer of the dial indicator is a, stopping sliding the gear gauge, and finishing the adjustment of the angle position of the machined part;
wherein a ═ D × pi × Δ β ÷ 360 °
Delta β -the difference between the measured angle and the theoretical angle, in degrees;
a-the deflection value of the pointer of the dial indicator during the adjustment of the clamp, unit: mm;
distance between the D-dial indicator and the center of the machined part, unit: mm.
Compared with the prior art, the invention has the following beneficial effects:
1. the taper hole gear single pulling key clamp can automatically fix a machined part, and the machined part is prevented from falling or generating a gap with a positioning mandrel, so that the positioning precision is improved. Meanwhile, the clamp is simple in structure, flexible and simple to operate, and improves working efficiency. In addition, the clamp can accurately compensate angle and depth errors, has high universality, saves the adjustment time and improves the processing efficiency.
2. The taper hole gear single pulling bond clamp can realize accurate positioning and automatic fixing of a workpiece when a taper hole pulls a single bond, can adjust tooth errors and key depth errors, provides an angle adjusting method, can ensure that parts are qualified by one-time adjustment, and improves the product quality and the processing efficiency.
Drawings
FIG. 1 is a view of the structure of a taper hole gear single pull button fixture according to the present invention;
FIG. 2 is a left side view of the bevel aperture gear single pull key clamp of the present invention;
FIG. 3 is a partial view of a bevel hole gear pull single key clamp of the present invention.
Reference numerals: 1-clamp base, 2-first spring, 3-cylindrical pin, 4-bolt, 5-snap ring, 6-second spring, 7-shim, 8-taper sleeve, 9-locating sleeve, 10-tooth gauge, 11-base body, 12-mounting column, 13-axial groove, 14-circumferential groove, 15-processing groove, 16-fixing column, 18-lightening groove, 19-bolt, 20-dial indicator, 21-through hole, 81-annular boss and 82-mounting hole.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
An engine gear needs to be broached into an equal-depth single key groove in an inner taper hole, the key groove and a gear tooth groove have strict angle relation requirements, and the currently adopted straight inner hole single key pulling clamp is not suitable for a taper hole single key pulling clamp. Based on the taper hole gear single pulling clamp, the taper mandrel is adopted for positioning the part, the taper mandrel is a taper sleeve, the taper mandrel adopts spring floating to realize inner hole centering, and the automatic part fixing device is arranged, so that the problem that the positioning precision is poor due to the fact that the taper hole part cannot be fixed after being clamped and is easy to fall off or separate from the clamp is solved. The clamp is verified on site, and the using effect is good. Meanwhile, the invention also provides a tooth angle adjusting method, which solves the problems that the angles of the part teeth and the key grooves cannot be accurately adjusted, the adjusting time is long, the depth of the key grooves cannot be accurately adjusted and the like.
As shown in fig. 1 to 3, the taper hole gear single pull key clamp provided by the invention comprises a clamp base 1, a tooth gauge 10, a positioning sleeve 9, a taper sleeve 8, a cylindrical pin 3, a first spring 2, a snap ring 5 and a second spring 6. The clamp base 1 comprises a base body 11 and a mounting column 12 arranged on one side of the base body 11, wherein a chip removal and weight reduction groove 18 for reducing weight is formed in the other side of the base body 11 and used for discharging chips removed from a key groove machined by a tool, and meanwhile, the weight of the base body 11 can be reduced. One side of the base body 11, which is provided with the mounting post 12, is provided with a plurality of axial grooves 13, and one end of the mounting post 12 is provided with a circumferential groove 14. Meanwhile, the axial direction of the mounting column 12 is provided with a processing groove 15 through which a cutter passes, for key grooves with different depths, a cutter pad 7 is arranged in the processing groove 15, the cutter pad 7 is fixed in the processing groove 15 through a bolt 4, and the cutter pads 7 with different thicknesses can be adapted to the key grooves with different depths. According to the depth of the first key groove, the clamp does not need to be disassembled, and only the cutter pad 7 with the corresponding size is replaced, so that the accurate adjustment of the groove depth can be realized.
The outer peripheral surface of the conical sleeve 8 is a conical surface, and the conical sleeve is sleeved on the mounting column 12 and can slide on the mounting column 12; a plurality of cylindrical pins 3 are arranged, one ends of the cylindrical pins are fixedly arranged on the conical sleeve 8, and the other ends of the cylindrical pins are sleeved with the first springs 2 and are arranged in the axial grooves 13 of the base body 11; the cylindrical pin 3 is mounted on the conical sleeve 8 in particular by: one end of the conical sleeve 8 is provided with an annular boss 81, the annular boss 81 is provided with a plurality of mounting holes 82, and the cylindrical pin 3 is arranged in the mounting holes 82 in an interference manner. The axis of the cylindrical pin 3 is parallel to the centre line of the mounting post 12.
The positioning sleeve 9 is sleeved on the conical sleeve 8 and is fixedly connected with the base body 11; the positioning sleeve 9 is matched with the base body 11 by a stop opening, and can be more accurately and quickly fixed to the base body 11. The snap ring 5 is arranged in a circumferential groove 14 of the mounting column 12, through holes 21 are formed in two sides of the snap ring 5, the snap ring 5 is limited by fixing columns 16 arranged in the mounting column 12 and the through holes 21, the snap ring 5 can move and reset on the mounting column 12 through the second spring 6, the fixing columns 16 can adopt bolts, and the through holes 21 can be waist-shaped holes.
The tooth gauge 10 is arranged at the upper end of the base body 11 and can slide at the upper end of the base body 11, so that the angles of the part teeth and the key grooves can be adjusted. The tooth gauge 10 is mounted to the base body 11 in two ways: be provided with the slider on the tooth rule 10, base body 11 upper end sets up the slide rail, and the cooperation of slider and slide rail is passed through to tooth rule 10, realizes the slip on base body 11 to tooth rule 10. Or, a waist-shaped hole is formed in the gear gauge 10, a bolt 19 is arranged at the upper end of the base body 11, and the gear gauge 10 slides on the base body 11 through the movement of the bolt 19 in the waist-shaped hole.
The clamp base 1 of the taper hole gear single-key pulling clamp is connected with a horizontal single-key pulling machine, a tooth gauge 10 is connected with the clamp base 1 through a sliding groove with adjustable positions, a positioning sleeve 9 used for axially positioning a part is fixed on the clamp base 1, a conical sleeve 8 is in clearance sliding connection with the clamp base 1, a cylindrical pin 3 is in interference connection with the conical sleeve 8, a first spring 2 penetrates through the cylindrical pin 3, a knife pad 7 is fixed on the base through a bolt 19, a clamping ring 5 is fixed on a connecting disc through a bolt 19, and a compression spring is placed in a radial hole of the base.
The taper hole gear single-key pulling clamp enables a part to be tightly pressed from the end face after being arranged on the taper mandrel, and the taper mandrel is pushed by the aid of sliding connection and springs, so that self-centering and fixing of the part are achieved. The tooth gauge 10 is connected by a sliding groove, the auxiliary dial indicator 20 can realize accurate adjustment of angle errors, and the parts can be guaranteed to be qualified by one-time adjustment. The bottom of the key groove is provided with the cutter pad 7 capable of adjusting the depth of the key groove, the clamp does not need to be disassembled, and the accurate adjustment of the depth of the key groove can be realized only by replacing the cutter pad 7, so that the time and the labor are saved.
The taper hole gear single pull key clamp is assembled and disassembled as follows: when the taper hole gear is installed in the clamp, the taper sleeve 8 is pushed by a part, the first spring 2 is pushed backwards integrally, meanwhile, the clamping ring 5 is compressed upwards under the stress, after the end face of the workpiece is tightly attached to the positioning sleeve 9, the taper sleeve 8 does not move any more, the inclined plane on the right side of the clamping ring 5 is just clamped to the left end face of the workpiece, and the workpiece is accurately positioned in the axial direction. At the moment, the tooth gauge 10 is inserted into the tooth socket, and the angular accurate positioning of the part is realized. When the workpiece is unloaded, the clamping ring 5 is pressed by hand, the left end hole of the part is separated from the clamping ring 5, the compression spring pushes the conical sleeve 8 and the workpiece out of the clamp, and the compression spring resets the clamping ring 5.
When the machined part is preliminarily installed on the taper hole gear single pulling bond clamp, the angle of the key groove and the angle of the gear tooth groove are in a strict relation, so that the actually measured angle and the theoretical angle of the key groove are different. The invention provides an angle error adjusting method based on the taper hole gear single pull key clamp, which is used for adjusting the angle to enable the angle of a key groove to meet the design requirement and comprises the following steps:
1) when the angle error is adjusted, the dial indicator 20 is arranged on one side of the tooth gauge 10;
2) zero calibration is carried out on the dial indicator 20;
3) lightly tapping the side surface of the tooth gauge 10 towards the angle direction needing compensation to ensure that the tooth gauge 10 slightly moves along the groove, the dial indicator 20 swings along with the groove, the seat of the dial indicator 20 is required to be fixed and cannot move in the adjustment process, and otherwise, the adjustment is required again;
3) from loosening of the screw of the tooth gauge 10 to completion of adjustment, the final deflection value of the pointer is a, the tooth gauge 10 stops sliding, the angle position of a workpiece is proper, the adjustment of the angle position of the machined part is completed, and the calculation formula of the final deflection value a of the pointer is as follows:
a＝[D×π×Δβ]÷360°
delta β is the difference (unit: degree) between the measured angle and the theoretical angle of the key slot, and the difference is the angle between the key slot and the tooth slot;
a: the value (unit: mm) of deflection required by the dial indicator when adjusting the clamp
D: the distance (unit: mm) between the dial indicator and the center of the processed part when the fixture is designed.
Claims (9)
1. The utility model provides a taper hole gear draws single bond anchor clamps which characterized in that: the clamp comprises a clamp base (1), a tooth gauge (10), a positioning sleeve (9), a conical sleeve (8), a cylindrical pin (3), a first spring (2), a clamping ring (5) and a second spring (6);
the clamp base (1) comprises a base body (11) and a mounting column (12) arranged on one side of the base body (11); a plurality of axial grooves (13) are formed in one side, provided with a mounting column (12), of the base body (11), a circumferential groove (14) is formed in one end of the mounting column (12), and meanwhile, a machining groove (15) through which a cutter passes is formed in the axial direction of the mounting column (12);
the tooth gauge (10) is arranged at the upper end of the base body (11) and can slide at the upper end of the base body (11);
the outer peripheral surface of the conical sleeve (8) is a conical surface, is sleeved on the mounting column (12) and can slide on the mounting column (12);
the plurality of cylindrical pins (3) are fixedly arranged on the conical sleeve (8) at one end, and the first spring (2) is sleeved at the other end and is arranged in an axial groove (13) of the base body (11);
the positioning sleeve (9) is sleeved on the conical sleeve (8) and is fixedly connected with the base body (11);
the clamping ring is characterized in that through holes (21) are formed in two sides of the clamping ring (5), fixing columns (16) are arranged on two sides of the mounting column (12), the clamping ring (5) is arranged in a circumferential groove (14) of the mounting column (12), the fixing columns (16) are located in the through holes (21), a second spring (6) is arranged between the clamping ring (5) and the mounting column (12), the clamping ring (5) can reset on the mounting column (12) through the second spring (6), and the clamping ring (5) and the positioning sleeve (9) are used for axially limiting a machined part.
2. The bevel-hole gear single bond pulling clamp of claim 1, wherein: and a cutter pad (7) is arranged in the processing groove (15) and is used for adapting to key grooves with different depths.
3. The bevel-hole gear single bond pulling clamp of claim 2, wherein: the axis of the cylindrical pin (3) is parallel to the central line of the mounting column (12).
4. The bevel-hole gear-pulling single key clamp of claim 1, 2 or 3, wherein: one end of the conical sleeve (8) is provided with an annular boss (81), the annular boss (81) is provided with a plurality of mounting holes (82), and the cylindrical pin (3) is arranged in the mounting holes (82) in an interference mode.
5. The bevel-hole gear single bond pulling clamp of claim 4, wherein: and a weight reduction groove (18) for removing chips and reducing weight is formed in the other side of the base body (11).
6. The bevel-hole gear single bond pulling clamp of claim 5, wherein: the positioning sleeve (9) is matched with the base body (11) by a stop.
7. The bevel-hole gear single bond pulling clamp of claim 6, wherein: the sliding block is arranged on the tooth gauge (10), the sliding rail is arranged at the upper end of the base body (11), and the tooth gauge (10) slides on the base body (11) through the matching of the sliding block and the sliding rail.
8. The bevel-hole gear single bond pulling clamp of claim 6, wherein: the tooth gauge is characterized in that a waist-shaped hole is formed in the tooth gauge (10), a bolt (19) is arranged at the upper end of the base body (11), and the tooth gauge (10) slides on the base body (11) through the movement of the bolt (19) in the waist-shaped hole.
9. An angle error adjusting method based on the taper hole gear single pull key clamp as claimed in any one of claims 1 to 8, characterized by comprising the following steps:
step one, mounting a dial indicator on one side of a tooth gauge;
step two, zero calibration is carried out on the dial indicator;
sliding the tooth gauge along the compensation angle direction, and then deflecting the dial indicator;
step four, when the deflection value of the pointer of the dial indicator is a, stopping sliding the gear gauge, and finishing the adjustment of the angle position of the machined part;
wherein a ═ D × pi × Δ β ÷ 360 °
Delta β -the difference between the measured angle and the theoretical angle, in degrees;
a-the deflection value of the pointer of the dial indicator during the adjustment of the clamp, unit: mm;
distance between the D-dial indicator and the center of the machined part, unit: mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890313.1A CN110682125B (en) | 2019-09-20 | 2019-09-20 | Taper hole gear single pulling bond clamp and adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890313.1A CN110682125B (en) | 2019-09-20 | 2019-09-20 | Taper hole gear single pulling bond clamp and adjusting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110682125A CN110682125A (en) | 2020-01-14 |
| CN110682125B true CN110682125B (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910890313.1A Active CN110682125B (en) | 2019-09-20 | 2019-09-20 | Taper hole gear single pulling bond clamp and adjusting method |
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| CN (1) | CN110682125B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2409007Y (en) * | 1999-12-22 | 2000-12-06 | 谢昭明 | Big bevel gear hole grinding clamp |
| CN202015953U (en) * | 2011-01-30 | 2011-10-26 | 盐城市金洲机械制造有限公司 | Taper hole key groove pulling clamp |
| CN202212777U (en) * | 2011-07-19 | 2012-05-09 | 重庆蓝黛动力传动机械股份有限公司 | Key slot broaching fixture |
| CN103831467A (en) * | 2012-11-23 | 2014-06-04 | 大连创新齿轮箱制造有限公司 | Gear broaching key positioning fixture |
| ES2692283T3 (en) * | 2013-08-16 | 2018-12-03 | Smw-Autoblok Spannsysteme Gmbh | Clamping unit, in particular for use in a machining center or turning or milling center |
| CN207509086U (en) * | 2017-11-30 | 2018-06-19 | 唐山唐齿传动机械有限公司 | Bevel gear shaft rolling inspection machine clamp |
| CN208408768U (en) * | 2018-05-11 | 2019-01-22 | 南阳浩帆车辆部件有限公司 | A kind of drive bevel gear tooth Profile Machining bipyramid positioning tool |
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2019
- 2019-09-20 CN CN201910890313.1A patent/CN110682125B/en active Active
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| CN110682125A (en) | 2020-01-14 |
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