CN110052874B - Inclined hole indexing drilling machine clamp and using method thereof - Google Patents

Inclined hole indexing drilling machine clamp and using method thereof Download PDF

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Publication number
CN110052874B
CN110052874B CN201910414323.8A CN201910414323A CN110052874B CN 110052874 B CN110052874 B CN 110052874B CN 201910414323 A CN201910414323 A CN 201910414323A CN 110052874 B CN110052874 B CN 110052874B
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China
Prior art keywords
indexing
mandrel
sleeve
turntable
workpiece
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CN110052874A (en
Inventor
张跃
周杨
宋扬
王丽卿
张艳梅
于苏洋
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Shenyang Aiwei Aishen Technology Co ltd
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Shenyang Aerospace University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
    • B23Q3/14Mandrels in general

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

A clamp of an inclined hole indexing drilling machine and a using method thereof are disclosed, the clamp comprises a base, a body seat, a rotary table, a mandrel, a rotary table locking mechanism and a mandrel locking mechanism, the body seat, the rotary table, the mandrel and a workpiece to be machined are inclined by 45 degrees and are coaxially arranged, the body seat is assembled on the base, one end of the mandrel is fixedly connected with the rotary table, the other end of the mandrel extends into the body seat and is rotatably connected with the body seat, and the workpiece to be machined is fixedly connected with the rotary table; the fixture adopts the design of indexing insertion of the positioning pin and the indexing hole, is suitable for clamping and processing annular workpieces, is convenient for processing and positioning the inclined outer wall hole of the sleeve part on the drilling machine due to the adoption of the design of indexing insertion of the positioning pin and the indexing hole, has a compact structure, is simple and convenient to operate in indexing and high in precision, reduces the labor intensity of an operator, improves the processing production efficiency of the drilling machine, and ensures the processing quality of the part.

Description

Inclined hole indexing drilling machine clamp and using method thereof
Technical Field
The invention belongs to the technical field of drilling machine fixtures, and particularly relates to an inclined hole indexing drilling machine fixture and a using method thereof.
Background
Along with the development of science and technology, the demand of sleeve parts is increasing day by day, and the angle is adjusted to the processing of present sleeve part slope outer wall hole, and like this not only intensity of labour is big, and production efficiency is low, and the part machining precision is low, the quality is poor moreover.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an inclined hole indexing drill jig and a using method thereof, and the technical scheme is as follows:
a slant hole indexing drill jig comprises a base, a body seat, a turntable, a mandrel, a turntable locking mechanism and a mandrel locking mechanism, wherein the body seat, the turntable, the mandrel and a workpiece to be machined are inclined by 45 degrees and are coaxially arranged;
the turntable locking mechanism comprises a shaft sleeve, a gear sleeve, a positioning pin, a handle and a plurality of indexing holes distributed along the circumference of the center of the turntable in an array manner, the shaft sleeve is arranged on the base and is parallel to the mandrel and the indexing holes, the positioning pin is assembled in the shaft sleeve in a sliding manner and is matched with any one of the indexing holes, a rack is arranged on the side wall of the positioning pin, an engaging hole is formed in the side wall of the shaft sleeve, the driving end of the handle is assembled with the base in a rotating manner, the gear sleeve is fixedly sleeved outside the driving end of the handle, and is engaged with the rack on the side wall of the positioning pin through the engaging hole, and the gear sleeve is;
dabber locking mechanism includes clamp, taper washer, keeps off ring and locking bolt, and the dabber stretches into the inside part of body seat and overlaps from a left side to the right side in proper order and is equipped with clamp, taper washer and fender ring all with dabber fixed assembly, the outer wall of taper washer and the inner wall looks adaptation of clamp, the screw rod of locking bolt passes the locking part spiro union of base lateral wall and clamp.
The dabber is the step shaft, and the constant head tank with dabber top looks adaptation is seted up at carousel left side center, and the shaft shoulder and the constant head tank interference fit of dabber, and the dabber passes through bolt and carousel fixed connection.
The left end of a plurality of index holes is provided with a blocking piece in an interference fit manner, and the right end of the shaft sleeve is fixedly provided with a blank cap.
A first wear-resistant sleeve is arranged in each of the indexing holes.
The mandrel is also sleeved with a second wear-resistant sleeve, and the mandrel is rotatably assembled with the body seat through the second wear-resistant sleeve.
The indexing holes are at least provided with 4.
The right end of dabber extends to the body outside of seat, and fixed mounting has the knob.
The top of the base is hinged with a drill bushing seat, a drill bushing is horizontally arranged on the drill bushing seat, and the center of the drill bushing corresponds to the processing surface of the workpiece to be processed.
The inclined hole indexing drilling machine fixture further comprises a fixing cap, and a workpiece to be machined is fixedly assembled on the rotary table through the fixing cap.
A method for using an inclined hole indexing drill jig according to any one of claims 1 to 9, comprising the steps of:
step 1, fixing a workpiece to be processed on a turntable;
step 2, rotating the handle, matching the gear sleeve and the positioning pin, driving the positioning pin to be inserted into the corresponding indexing hole to complete locking of the turntable, then rotating the locking bolt, tightening the clamp and completing locking of the mandrel;
step 3, processing the workpiece to be processed;
step 4, reversely rotating the locking bolt, loosening the clamp, releasing the locking of the core shaft, then reversely rotating the handle, the gear sleeve and the positioning pin to move in a matching way, driving the positioning pin to be separated from the indexing hole, releasing the locking of the turntable, rotating the turntable by a required angle, and then rotating the handle and the locking bolt again to complete the locking of the turntable and the core shaft;
step 5, repeating the step 3 and the step 4 until the indexing processing of the workpiece to be processed is completed;
and 6, taking down the processed workpiece after the workpiece to be processed is processed.
Compared with the prior art, the invention has the beneficial effects that:
the invention is suitable for clamping and processing annular workpieces, the clamp adopts the design of indexing insertion of the positioning pin and the indexing hole, the processing and positioning of the inclined outer wall hole of the sleeve part on the drilling machine are convenient, the structure is compact, the indexing operation is simple and convenient, the precision is high, the labor intensity of an operator is reduced, the production efficiency of the drilling machine processing is improved, and the processing quality of the part is ensured.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a three-dimensional schematic view of the backside of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
fig. 5 is a schematic view of the engagement of the gear sleeve and the rack according to the present invention.
Wherein: a base 1; a body seat 2; a turntable 3; a mandrel 4; a workpiece 5 to be machined; an index hole 6; a shaft sleeve 7; a gear sleeve 8; a positioning pin 9; a handle 10; a rack 11; an engaging hole 12; a clamp 13; a tapered washer 14; a retainer ring 15; a lock bolt 16; a blocking piece 17; a blank cap 18; a first wear sleeve 19; a second wear sleeve 20; a knob 21; a drill sleeve seat 22; a drill bushing 23; the cap 24 is fixed.
Detailed Description
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1 to 5, the invention provides an inclined hole indexing drill jig, which comprises a base 1, a body seat 2, a turntable 3, a mandrel 4, a turntable locking mechanism and a mandrel locking mechanism, wherein the body seat 2, the turntable 3, the mandrel 4 and a workpiece 5 to be machined are inclined by 45 degrees and coaxially arranged, the body seat 2 is assembled on the base 1, one end of the mandrel 4 is fixedly connected with the turntable 3, the other end of the mandrel 4 extends into the body seat 2 and is rotatably connected with the body seat 2, and the workpiece 5 to be machined is fixedly connected with the turntable 3;
the turntable locking mechanism comprises a shaft sleeve 7, a gear sleeve 8, a positioning pin 9, a handle 10 and twenty-four indexing holes 6 distributed along the central circumference of the turntable 3 in an array manner, wherein the shaft sleeve 7 is arranged on the base 1 and is parallel to the mandrel 4 and the indexing holes 6, the positioning pin 9 is assembled in the shaft sleeve 7 in a sliding manner, the positioning pin 9 is matched with any one of the indexing holes 6, a rack 11 is arranged on the side wall of the positioning pin 9, an engaging hole 12 is formed in the side wall of the shaft sleeve 7, the driving end of the handle 10 is rotatably assembled with the base 1, the gear sleeve 8 is fixedly sleeved outside the driving end of the handle 10, the gear sleeve 8 is engaged with the rack 11 on the side wall of the positioning pin 9 through the engaging hole 12, and the gear sleeve 8 is driven to;
specifically, the handle 10 of the turntable locking mechanism of the invention rotates to drive the gear sleeve 8 to rotate, so that the positioning pin 9 is driven to slide left and right, and when the positioning pin 9 is inserted into the indexing hole 6 in a left-sliding manner, the turntable 3 can be limited.
Dabber locking mechanism includes clamp 13, taper washer 14, keeps off ring 15 and locking bolt 16, and the part that dabber 4 stretched into body 2 inside is overlapped from a left side to the right side in proper order and is equipped with clamp 13, taper washer 14 and keeps off ring 15, and taper washer 14 and fender ring 15 all with dabber 4 fixed assembly, the outer wall of taper washer 14 and the inner wall looks adaptation of clamp 13, the screw rod of locking bolt 16 passes the locking part spiro union of base 1 lateral wall with clamp 13.
Specifically, the inner wall of the clamp 13 is an inclined surface matched with the conical washer 14, and when the locking bolt 16 rotates, the clamp 13 is tightened, so that on one hand, a radially inward holding force is given to the conical washer 14, on the other hand, a vertical downward component force is given to the conical washer 14, a downward pulling force is given to the mandrel 4, and the mandrel 4 is locked.
Specifically, in the present embodiment, the locking bolt 16 and the gear sleeve 8 are coaxially fixed together to realize the linkage of the spindle locking mechanism and the turntable locking mechanism.
Dabber 4 is the step shaft, and 3 left side centers of carousel offer with the constant head tank of 4 top looks adaptations of dabber, the shaft shoulder and the constant head tank interference fit of dabber 4, and dabber 4 passes through bolt and 3 fixed connection of carousel.
The left ends of the twenty-four index holes 6 are all provided with a blocking piece 17 in an interference fit mode, and the right end of the shaft sleeve 7 is fixedly provided with a blank cap 18.
First wear-resistant sleeves 19 are arranged in the twenty-four indexing holes 6.
The outside of the mandrel 4 is also sleeved with a second wear-resistant sleeve 20, and the mandrel 4 is rotatably assembled with the body seat 2 through the second wear-resistant sleeve 20.
At least one indexing hole 6 is arranged.
The right end of the mandrel 4 extends to the outside of the body seat 2, and is fixedly provided with a knob 21.
The top of the base 1 is hinged with a drill bushing seat 22, a drill bushing 23 is horizontally arranged on the drill bushing seat 22, and the center of the drill bushing 23 corresponds to the processing surface of the workpiece 5 to be processed.
The inclined hole indexing drill further comprises a fixing cap 24, and the workpiece 5 to be machined is fixedly assembled on the rotary table 3 through the fixing cap 24.
The use method of the inclined hole indexing drill jig comprises the following steps:
step 1, fixing a workpiece 5 to be processed on a turntable 3 through a fixing cap 24 and a bolt;
step 2, rotating the handle 10, enabling the gear sleeve 8 and the positioning pin 9 to move in a matched mode, driving the positioning pin 9 to be inserted into the corresponding indexing hole 6 to complete locking of the rotary table 3, then rotating the locking bolt, tightening the clamp 13 and completing locking of the core shaft 4;
step 3, processing a workpiece 5 to be processed;
step 4, reversely rotating the locking bolt, loosening the clamp 13, releasing the locking of the core shaft 4, then reversely rotating the handle 10, driving the positioning pin 9 to be separated from the indexing hole 6 by the matching motion of the gear sleeve 8 and the positioning pin 9, releasing the locking of the turntable 3, and rotating the handle 10 and the locking bolt again after rotating the turntable 3 by a required angle to complete the locking of the turntable 3 and the core shaft 4;
step 5, repeating the step 3 and the step 4 until the indexing processing of the workpiece 5 to be processed is completed;
and 6, when the workpiece 5 to be processed is processed, taking down the processed workpiece.
The above examples are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above examples, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (10)

1. The inclined hole indexing drilling machine fixture is characterized by comprising a base, a body seat, a rotary table, a mandrel, a rotary table locking mechanism and a mandrel locking mechanism, wherein the body seat, the rotary table, the mandrel and a workpiece to be machined are inclined by 45 degrees and are coaxially arranged;
the turntable locking mechanism comprises a shaft sleeve, a gear sleeve, a positioning pin, a handle and a plurality of indexing holes distributed along the circumference of the center of the turntable in an array manner, the shaft sleeve is arranged on the base and is parallel to the mandrel and the indexing holes, the positioning pin is assembled in the shaft sleeve in a sliding manner and is matched with any one of the indexing holes, a rack is arranged on the side wall of the positioning pin, an engaging hole is formed in the side wall of the shaft sleeve, the driving end of the handle is assembled with the base in a rotating manner, the gear sleeve is fixedly sleeved outside the driving end of the handle, and is engaged with the rack on the side wall of the positioning pin through the engaging hole, and the gear sleeve is;
the mandrel locking mechanism comprises a clamp, a conical washer, a baffle ring and a locking bolt, wherein the clamp, the conical washer and the baffle ring are sequentially sleeved on the part, extending into the body seat, of the mandrel from left to right;
the locking bolt and the gear sleeve are coaxially fixed.
2. The inclined hole indexing drill jig of claim 1, wherein the mandrel is a stepped shaft, a positioning groove matched with the top of the mandrel is formed in the center of the left side of the turntable, a shoulder of the mandrel is in interference fit with the positioning groove, and the mandrel is fixedly connected with the turntable through a bolt.
3. The inclined hole indexing drill jig of claim 1, wherein the left ends of the plurality of indexing holes are provided with the blocking pieces in an interference fit manner, and the right end of the shaft sleeve is fixedly provided with the blank cap.
4. The inclined hole indexing drill jig of claim 1, wherein a first wear sleeve is disposed in each of the plurality of indexing holes.
5. The inclined hole indexing drill jig as claimed in claim 1, wherein a second wear-resistant sleeve is further sleeved outside the mandrel, and the mandrel is rotatably assembled with the body seat through the second wear-resistant sleeve.
6. The inclined hole indexing drill jig according to claim 1, wherein at least 4 indexing holes are provided.
7. The inclined hole indexing drill jig according to claim 1, wherein the right end of the mandrel extends to the outside of the body seat, and is fixedly provided with a knob.
8. The inclined hole indexing drill clamp as claimed in claim 1, wherein the top of the base is hinged with a drill sleeve seat, a drill sleeve is horizontally arranged on the drill sleeve seat, and the center of the drill sleeve corresponds to the processing surface of the workpiece to be processed.
9. The inclined hole indexing drill jig of claim 1, further comprising a fixing cap by which a workpiece to be machined is fixedly assembled on the turntable.
10. A method for using an inclined hole indexing drill jig according to any one of claims 1 to 9, comprising the steps of:
step 1, fixing a workpiece to be processed on a turntable;
step 2, rotating the handle, matching the gear sleeve and the positioning pin, driving the positioning pin to be inserted into the corresponding indexing hole to complete locking of the turntable, then rotating the locking bolt, tightening the clamp and completing locking of the mandrel;
step 3, processing the workpiece to be processed;
step 4, reversely rotating the locking bolt, loosening the clamp, releasing the locking of the core shaft, then reversely rotating the handle, the gear sleeve and the positioning pin to move in a matching way, driving the positioning pin to be separated from the indexing hole, releasing the locking of the turntable, rotating the turntable by a required angle, and then rotating the handle and the locking bolt again to complete the locking of the turntable and the core shaft;
step 5, repeating the step 3 and the step 4 until the indexing processing of the workpiece to be processed is completed;
and 6, taking down the processed workpiece after the workpiece to be processed is processed.
CN201910414323.8A 2019-05-17 2019-05-17 Inclined hole indexing drilling machine clamp and using method thereof Active CN110052874B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111112685B (en) * 2020-01-22 2021-07-20 福州万德电气有限公司 Anti-reverse disc inclined hole drilling tool and machining method thereof
CN111390644B (en) * 2020-04-15 2021-08-03 成都飞机工业(集团)有限责任公司 Clamp capable of rotating and adjusting eccentricity on indexing chuck
CN111390490B (en) * 2020-04-30 2021-11-05 中国航发航空科技股份有限公司 Be used for disposable clamping anchor clamps of barrel subassembly welding in cap
CN112894407A (en) * 2021-01-26 2021-06-04 张贤魁 Multi-station inclined hole drilling clamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202763140U (en) * 2012-09-13 2013-03-06 潍坊润搏机械有限公司 Dedicated drilling jig for inclined hole of supporting shaft of C4 outer hub
CN202927279U (en) * 2012-11-30 2013-05-08 浙江荣得利航空部件有限公司 Suspension clamp
CN104607973A (en) * 2014-12-10 2015-05-13 山东省源通机械股份有限公司 Anti-explosion motor casing processing device and processing technology
CN108817204A (en) * 2018-05-30 2018-11-16 滁州市锴模装备模具制造有限公司 A kind of refrigerator punching die

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202763140U (en) * 2012-09-13 2013-03-06 潍坊润搏机械有限公司 Dedicated drilling jig for inclined hole of supporting shaft of C4 outer hub
CN202927279U (en) * 2012-11-30 2013-05-08 浙江荣得利航空部件有限公司 Suspension clamp
CN104607973A (en) * 2014-12-10 2015-05-13 山东省源通机械股份有限公司 Anti-explosion motor casing processing device and processing technology
CN108817204A (en) * 2018-05-30 2018-11-16 滁州市锴模装备模具制造有限公司 A kind of refrigerator punching die

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Effective date of registration: 20240523

Address after: Room 606, No. 39-1, Chuangxin Second Road, Shenyang area, China (Liaoning) pilot Free Trade Zone, Shenyang City, Liaoning Province

Patentee after: Shenyang Aiwei Aishen Technology Co.,Ltd.

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Address before: 110136, Liaoning, Shenyang moral and Economic Development Zone, No. 37 South Avenue moral

Patentee before: SHENYANG AEROSPACE University

Country or region before: China