CN110788638A - Cold-heading part processing frock - Google Patents

Cold-heading part processing frock Download PDF

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Publication number
CN110788638A
CN110788638A CN201911058304.2A CN201911058304A CN110788638A CN 110788638 A CN110788638 A CN 110788638A CN 201911058304 A CN201911058304 A CN 201911058304A CN 110788638 A CN110788638 A CN 110788638A
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CN
China
Prior art keywords
positioning
base
groove
hole
positioning rod
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Granted
Application number
CN201911058304.2A
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Chinese (zh)
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CN110788638B (en
Inventor
俞人龙
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Jiashan Rongde Metal Products Co Ltd
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Jiashan Rongde Metal Products Co Ltd
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Priority to CN201911058304.2A priority Critical patent/CN110788638B/en
Publication of CN110788638A publication Critical patent/CN110788638A/en
Application granted granted Critical
Publication of CN110788638B publication Critical patent/CN110788638B/en
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    • 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

Abstract

The invention discloses a cold heading part processing tool, which has the technical scheme that: a cold heading component processing tool comprises a base, wherein an adjusting seat is arranged on the upper end surface of the base, a placing table is fixed on the base, a fixing mechanism is arranged between the base and the placing table, and a positioning mechanism is arranged between the base and the adjusting seat; the fixing mechanism comprises four positioning blocks which horizontally slide on the placing table, a first driving cylinder which is arranged on the base and is vertically arranged, and a driving ring which is arranged on an output shaft of the first driving cylinder and is used for driving the four positioning blocks to mutually approach; the positioning mechanism comprises a positioning hole arranged in the adjusting seat, a positioning rod penetrating through the positioning hole and capable of penetrating into the cold-heading component assembling hole, a guide assembly arranged in the positioning hole and keeping the positioning rod vertically arranged, and a lifting assembly arranged on the base and driving the positioning rod to lift. The invention can position the center of the outer wall of the opening position of the cold heading component, can detect the position of the assembling hole relative to the cold heading component, and can prejudge whether the cold heading component is a qualified product or not in advance.

Description

Cold-heading part processing frock
Technical Field
The invention relates to the field of processing tools, in particular to a cold heading component processing tool.
Background
A lot of existing cold heading parts need machine tooling after the cold heading shaping, because there is certain machining error after the cold heading part cold heading shaping, and the precision is not high after the cold heading, consequently need be through the precision of machine tooling in order to improve cold heading part equipment position, ensure that cold heading fashioned part can normally assemble.
The existing cold heading component is cylindrical after cold heading forming, and an assembly hole is reserved in the center of the bottom of the cold heading component, as shown in FIG. 1; after the cold heading is finished, machining needs to be carried out on an assembly hole of the cold heading component and an opening part of the cold heading component, and turning is carried out on the inner wall of the opening part of the cold heading component, so that threads are tapped on the inner wall of the opening part of the cold heading component after the cold heading is finished.
However, when the inner wall of the opening part of the cold heading component is machined by taking the assembly hole formed by stamping as a center, and the assembly hole is eccentrically arranged relative to the opening position of the cold heading component during cold heading, the wall thickness of the opening part of the cold heading component is too thin and the cold heading component is damaged when the opening position of the cold heading component is tapped at a later stage. And before the cold heading part is machined, the detection cannot be carried out, defective products are removed in time, the processing of defective cold heading parts is increased, and energy is wasted. Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
Disclosure of Invention
The invention aims to provide a cold heading component machining tool which can be used for positioning the center of the outer wall of the opening position of a cold heading component, detecting the position of an assembling hole relative to the cold heading component and prejudging whether the cold heading component is a qualified product or not in advance.
The technical purpose of the invention is realized by the following technical scheme: a cold heading component processing tool comprises a base, wherein an adjusting seat is arranged on the upper end face of the base, the base is fixedly connected with a placing table which is located on the upper end face of the adjusting seat and used for placing a cold heading component, a fixing mechanism used for fixing the cold heading component is arranged between the base and the placing table, and a positioning mechanism used for positioning the position of an assembling hole is arranged between the base and the adjusting seat; the fixing mechanism comprises four positioning blocks which horizontally slide on the upper end face of the placing table, a first driving cylinder which is arranged on the base and is vertically and upwards arranged, and a driving ring which is arranged on an output shaft of the first driving cylinder and is used for driving the four positioning blocks to be mutually close, the four positioning blocks are uniformly distributed on the periphery of the cold heading part, the four outer side walls of the positioning blocks are obliquely arranged, the inner wall of the driving ring is obliquely arranged and corresponds to the positioning blocks, and after the driving ring descends, the inner wall of the driving ring is abutted against the outer wall of the positioning blocks and drives the four positioning blocks to be mutually close and clamp the cold heading part; the positioning mechanism comprises a positioning hole which is arranged on the adjusting seat and is vertically arranged, a positioning rod which penetrates through the positioning hole and can penetrate into the cold-heading component assembling hole, a guide assembly which is arranged on the positioning hole and keeps the positioning rod vertically arranged, and a lifting assembly which is arranged on the base and drives the positioning rod to lift, wherein the diameter of the positioning hole is larger than that of the positioning rod, the positioning rod moves in the horizontal direction relative to the positioning hole, and the upper end surface of the positioning rod is in a conical arrangement; the guide assembly comprises a guide groove which is formed in the side wall of the positioning hole and surrounds the positioning rod, and a guide block which is arranged in the guide groove and is used for the positioning rod to penetrate through, the guide block slides in the guide groove along the horizontal direction, and the positioning rod penetrates through the guide groove and is kept to be vertically arranged; the lifting assembly comprises a lifting groove, a limiting block, a first connecting groove, a second connecting groove, a connecting block and a second driving air cylinder, the lifting groove is formed in the upper end face of the base and is used for allowing the lower end face of the positioning rod to penetrate, the second connecting groove is formed in the bottom face of the first connecting groove, the connecting block is arranged on the lower end face of the positioning rod and is located in the second connecting groove, the second driving air cylinder is arranged on the base and is used for driving the limiting block to lift, the diameter of the lifting groove is larger than that of the positioning rod, the diameter of the first connecting groove is larger than that of the positioning rod, the diameter of the second connecting groove is larger than that of the connecting block, and the positioning rod moves; the placing table is provided with a through hole corresponding to the positioning hole.
The invention is further provided with: the placing table is provided with four sliding grooves for horizontal sliding of the corresponding positioning blocks respectively, and the four sliding grooves are arranged in a cross shape.
The invention is further provided with: every it all is provided with the spring that the drive locating piece deviates from the through-hole direction and removes to slide the inslot, the spring is located slide the groove and is close to the one end in through-hole.
The invention is further provided with: the base is provided with two guide rods which keep the driving ring to move in the vertical direction, the guide rods are vertically arranged and penetrate through the driving ring, and the two guide rods are symmetrically arranged.
In conclusion, the invention has the following beneficial effects:
when the cold heading component needs to be clamped and fixed, the cold heading component is placed on the placing table and located between the four positioning blocks, then the driving ring is driven to move downwards through the first driving cylinder, the inner wall of the driving ring is abutted against the outer side walls of the positioning blocks, and the driving ring drives the four positioning blocks to move oppositely and clamp the cold heading component after moving downwards;
the positioning rod can move upwards and then penetrate into the assembling hole, and can horizontally move relative to the positioning hole through the positioning rod so as to adapt to the position of the positioning rod relative to the assembling hole; when the positioning block clamps the cold heading component and the positioning rod cannot be normally inserted into the assembly hole, the deviation between the assembly hole and the outline of the cold heading component is too large, namely the cold heading component is a defective product, and machining is not needed, so that the machining efficiency of the cold heading component is improved;
the positioning rod can be effectively kept in a vertical state all the time by penetrating the positioning rod into the guide block, the positioning rod can conveniently move up and down, and meanwhile, the horizontal movement of the guide block relative to the guide groove can adapt to the horizontal movement in the re-positioning hole of the positioning rod;
the positioning rod moves horizontally to ensure that the positioning rod can be normally inserted into the assembling hole upwards, and meanwhile, the positioning rod is connected with the positioning rod while being convenient to move horizontally through the limiting block and is convenient to drive the positioning rod to move up and down;
the positioning blocks can conveniently slide through the sliding grooves, and after the driving ring is separated from the positioning blocks, the plurality of positioning blocks are pushed to move reversely and reset through the springs.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of section A of FIG. 1;
fig. 3 is a schematic view of a prior art cold-heading component.
The corresponding part names indicated by the numbers in the figures: 1. a base; 2. an adjusting seat; 3. a placing table; 4. perforating holes; 5. positioning blocks; 6. a first driving cylinder; 7. a drive ring; 8. a guide bar; 9. positioning holes; 10. positioning a rod; 11. a guide groove; 12. a guide block; 13. a lifting groove; 14. a limiting block; 15. a first connecting groove; 16. a second connecting groove; 17. connecting blocks; 18. a second driving cylinder; 19. a sliding groove; 20. a spring.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the invention is further described with reference to the figures and the specific embodiments.
As shown in fig. 1, the cold heading component processing tool provided by the invention comprises a base 1, wherein an adjusting seat 2 is arranged on the upper end surface of the base 1, the base 1 is fixedly connected with a placing table 3 which is positioned on the upper end surface of the adjusting seat 2 and used for placing a cold heading component, the placing table 3 is provided with a through hole 4, the adjusting seat 2 is positioned between the base 1 and the placing table 3, a fixing mechanism used for fixing the cold heading component is arranged between the base 1 and the placing table 3, and a positioning mechanism used for positioning the position of an assembling hole is arranged between the base 1 and the adjusting seat 2.
Fixing mechanism including four be horizontal sliding in place the locating piece 5 of 3 up end of platform, set up in base 1 and be the vertical first actuating cylinder 6 that upwards sets up, set up in the first actuating cylinder 6 output shaft that drives and be used for driving the drive ring 7 that four locating pieces 5 drawn close each other, 5 equipartitions of four locating pieces and cold-heading part periphery, and four 5 lateral walls of locating piece are the slope setting, the drive ring 7 inner wall is the slope setting and is corresponding with locating piece 5, drive ring 7 inner wall can paste in the lateral wall of locating piece 5 promptly, and after drive ring 7 descends, drive ring 7 inner wall butt and four locating pieces 5 of drive 5 outer walls draw close each other and the centre gripping cold-heading part. The base 1 is provided with two guide rods 8 which keep the driving ring 7 to move in the vertical direction, the guide rods 8 are vertically arranged and penetrate through the driving ring 7, and the two guide rods 8 are symmetrically arranged. When the fixed cold heading part of centre gripping needs, place the cold heading part in placing platform 3 and be located between four locating pieces 5, then drive the drive ring 7 through first drive cylinder 6 drive downstream, the drive ring 7 inner wall butt is in locating piece 5 lateral wall to drive four locating pieces 5 after the drive ring 7 moves down and move towards each other and grasp the cold heading part.
The positioning mechanism comprises a positioning hole 9 which is arranged on the adjusting seat 2 and is vertically arranged, a positioning rod 10 which penetrates through the positioning hole 9 and can penetrate into the assembly hole of the cold heading component, a guide assembly which is arranged on the positioning hole 9 and keeps the positioning rod 10 vertically arranged, and a lifting assembly which is arranged on the base 1 and drives the positioning rod 10 to lift, wherein the diameter of the positioning hole 9 is larger than that of the positioning rod 10, the positioning rod 10 moves horizontally relative to the positioning hole 9, the upper end of the positioning rod 10 is arranged in a tapered shape, and the positioning rod 10 can penetrate into the assembly hole after moving upwards, and can horizontally move relative to the positioning hole 9 through the positioning rod 10 so as to adapt; and when the positioning rod 10 can not be normally inserted into the assembly hole after the positioning block 5 clamps the cold heading component, the deviation between the assembly hole and the outline position of the cold heading component is too large, namely, the cold heading component is a defective product and does not need to be machined, so that the machining efficiency of the cold heading component is improved.
The guide assembly comprises a guide groove 11 arranged on the side wall of the positioning hole 9 and surrounding the positioning rod 10, and a guide block 12 arranged in the guide groove 11 and used for the positioning rod 10 to penetrate through, wherein the guide block 12 slides in the guide groove 11 along the horizontal direction, and the positioning rod 10 penetrates through the guide groove 11 and keeps vertical arrangement. Wear to locate guide block 12 through locating lever 10 and can effectively keep locating lever 10 to be vertical state all the time to make things convenient for locating lever 10 to reciprocate, can adapt to locating lever 10 horizontal migration in locating hole 9 again for guide way 11 horizontal migration through guide block 12 simultaneously.
The lifting component comprises a lifting groove 13 which is arranged on the upper end surface of the base 1 and is used for the lower end surface of the positioning rod 10 to penetrate, a limiting block 14 which is connected with the lifting groove 13 in a sliding way along the vertical direction, a first connecting groove 15 which is arranged on the upper end surface of the limiting block 14 and is used for the lower end surface of the positioning rod 10 to penetrate, a second connecting groove 16 which is arranged on the bottom surface of the first connecting groove 15, a connecting block 17 which is arranged on the lower end surface of the positioning rod 10 and is positioned at the second connecting groove 16, a second driving cylinder 18 which is arranged on the base 1 and drives the limiting block 14 to lift, the output shaft of the second driving cylinder 18 is vertically arranged, the diameter of the lifting groove 13 is larger than that of the positioning rod 10, the diameter of the first connecting groove 15 is larger than that of the positioning rod 10, the diameter of the second connecting groove 16 is larger, meanwhile, the positioning rod 10 is connected with the positioning rod 10 while being convenient to move horizontally through the limiting block 14, and the positioning rod 10 is convenient to drive to move up and down.
In order to facilitate the movement of the positioning block 5 towards the direction of the through hole 4 and drive the positioning block 5 to reset, the placing table 3 is provided with four sliding grooves 19 for the horizontal sliding of the corresponding positioning block 5 respectively, and the four sliding grooves 19 are arranged in a cross shape; and a spring 20 for driving the positioning block 5 to move away from the direction of the through hole 4 is arranged in each sliding groove 19, and the spring 20 is positioned at one end of the sliding groove 19 close to the through hole 4. The positioning blocks 5 are convenient to slide through the sliding grooves 19, and after the driving ring 7 is separated from the positioning blocks 5, the plurality of positioning blocks 5 are pushed to move reversely and reset through the springs 20.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a cold-heading part processing frock, includes base (1), its characterized in that: an adjusting seat (2) is arranged on the upper end face of the base (1), the base (1) is fixedly connected with a placing table (3) which is located on the upper end face of the adjusting seat (2) and used for placing cold heading components, a fixing mechanism used for fixing the cold heading components is arranged between the base (1) and the placing table (3), and a positioning mechanism used for positioning the position of an assembling hole is arranged between the base (1) and the adjusting seat (2);
the fixing mechanism comprises four positioning blocks (5) which horizontally slide on the upper end face of the placing table (3), a first driving cylinder (6) which is arranged on the base (1) and vertically and upwards arranged, and a driving ring (7) which is arranged on an output shaft of the first driving cylinder (6) and used for driving the four positioning blocks (5) to mutually approach, wherein the four positioning blocks (5) are uniformly distributed on the periphery of the cold heading part, the outer side walls of the four positioning blocks (5) are obliquely arranged, the inner wall of the driving ring (7) is obliquely arranged and corresponds to the positioning blocks (5), and after the driving ring (7) descends, the inner wall of the driving ring (7) is abutted against the outer walls of the positioning blocks (5) and drives the four positioning blocks (5) to mutually approach and clamp the cold heading part;
the positioning mechanism comprises a positioning hole (9) which is vertically arranged and arranged on the adjusting seat (2), a positioning rod (10) which penetrates through the positioning hole (9) and can penetrate into an assembling hole of the cold-heading component, a guide assembly which is arranged on the positioning hole (9) and keeps the positioning rod (10) vertically arranged, and a lifting assembly which is arranged on the base (1) and drives the positioning rod (10) to lift, wherein the diameter of the positioning hole (9) is larger than that of the positioning rod (10), the positioning rod (10) moves in the horizontal direction relative to the positioning hole (9), and the upper end of the positioning rod (10) is arranged in a tapered shape;
the guide assembly comprises a guide groove (11) which is formed in the side wall of the positioning hole (9) and surrounds the positioning rod (10), and a guide block (12) which is arranged in the guide groove (11) and is used for the positioning rod (10) to penetrate through, the guide block (12) slides in the guide groove (11) along the horizontal direction, and the positioning rod (10) penetrates through the guide groove (11) and is kept to be vertically arranged;
the lifting component comprises a lifting groove (13) which is arranged on the upper end surface of the base (1) and is used for the lower end surface of the positioning rod (10) to penetrate, a limiting block (14) which is connected with the lifting groove (13) in a sliding way along the vertical direction, a first connecting groove (15) which is arranged on the upper end surface of the limiting block (14) and is used for the lower end surface of the positioning rod (10) to penetrate, a second connecting groove (16) which is arranged on the bottom surface of the first connecting groove (15), a connecting block (17) which is arranged on the lower end surface of the positioning rod (10) and is positioned in the second connecting groove (16), and a second driving air cylinder (18) which is arranged on the base (1) and drives the limiting block (14) to lift, wherein the diameter of the lifting groove (13) is larger than that of the positioning rod (10), the diameter of the first connecting groove (15) is larger than that, the positioning rod (10) horizontally moves relative to the lifting groove (13);
the placing table (3) is provided with a through hole (4) corresponding to the positioning hole (9).
2. The cold-heading part machining tool according to claim 1, wherein the tool comprises: the placing table (3) is provided with four sliding grooves (19) for horizontal sliding of the corresponding positioning blocks (5), and the four sliding grooves (19) are arranged in a cross shape.
3. The cold-heading part machining tool according to claim 2, wherein the tool comprises: every all be provided with drive locating piece (5) in sliding groove (19) and deviate from spring (20) that wear to establish hole (4) direction and remove, spring (20) are located sliding groove (19) and are close to the one end of wear to establish hole (4).
4. The cold-heading part machining tool according to claim 1, wherein the tool comprises: the base (1) is provided with two guide rods (8) which keep the driving ring (7) to move in the vertical direction, the guide rods (8) are vertically arranged and penetrate through the driving ring (7), and the two guide rods (8) are symmetrically arranged.
CN201911058304.2A 2019-11-01 2019-11-01 Cold-heading part processing frock Active CN110788638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911058304.2A CN110788638B (en) 2019-11-01 2019-11-01 Cold-heading part processing frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911058304.2A CN110788638B (en) 2019-11-01 2019-11-01 Cold-heading part processing frock

Publications (2)

Publication Number Publication Date
CN110788638A true CN110788638A (en) 2020-02-14
CN110788638B CN110788638B (en) 2021-07-23

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ID=69440653

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911058304.2A Active CN110788638B (en) 2019-11-01 2019-11-01 Cold-heading part processing frock

Country Status (1)

Country Link
CN (1) CN110788638B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205763956U (en) * 2016-05-19 2016-12-07 宁波汇众汽车车桥制造有限公司 Modified model turning clamp
CN206169712U (en) * 2016-08-19 2017-05-17 龙工(上海)精工液压有限公司 Pump body merry go round machine anchor clamps
CN208496450U (en) * 2018-07-18 2019-02-15 贵阳合创达精密机械科技有限公司 A kind of lathe thin-wall part fixture
EP3450091A1 (en) * 2017-08-27 2019-03-06 Citic Dicastal Co., Ltd. Wheel milling window fixture
CN110052860A (en) * 2019-05-16 2019-07-26 廊坊市钦纵机电产品制造有限公司 A kind of fixture of workpiece quick high accuracy positioning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205763956U (en) * 2016-05-19 2016-12-07 宁波汇众汽车车桥制造有限公司 Modified model turning clamp
CN206169712U (en) * 2016-08-19 2017-05-17 龙工(上海)精工液压有限公司 Pump body merry go round machine anchor clamps
EP3450091A1 (en) * 2017-08-27 2019-03-06 Citic Dicastal Co., Ltd. Wheel milling window fixture
CN208496450U (en) * 2018-07-18 2019-02-15 贵阳合创达精密机械科技有限公司 A kind of lathe thin-wall part fixture
CN110052860A (en) * 2019-05-16 2019-07-26 廊坊市钦纵机电产品制造有限公司 A kind of fixture of workpiece quick high accuracy positioning

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