CN112008440A - Cross pipe joint machining clamp - Google Patents
Cross pipe joint machining clamp Download PDFInfo
- Publication number
- CN112008440A CN112008440A CN202010831744.3A CN202010831744A CN112008440A CN 112008440 A CN112008440 A CN 112008440A CN 202010831744 A CN202010831744 A CN 202010831744A CN 112008440 A CN112008440 A CN 112008440A
- Authority
- CN
- China
- Prior art keywords
- clamping
- sliding seat
- clamping jaw
- driving
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
The invention discloses a cross pipe joint machining clamp which comprises two clamping jaws symmetrically arranged left and right, wherein each clamping jaw comprises a clamping part and a connecting part which are integrally formed, and a first V-shaped groove penetrating in the front-back direction and a second V-shaped groove penetrating in the up-down direction are formed in each clamping part; the connecting part of each clamping jaw is hinged at the upper end of a corresponding sliding seat; the two sliding seats are arranged in bilateral symmetry and are connected to the base in a sliding manner, and the base is provided with a driving mechanism for driving the two sliding seats to approach or depart from each other; the sliding seat on the right side is provided with an angle adjusting mechanism for driving the clamping jaw on the right side to rotate. The self-centering fixing device can perform self-centering fixing on the cross pipe joint through the two clamping jaws, and can finish machining once through rotating the clamping jaws, so that time waste caused by multiple clamping is avoided, and the machining efficiency of the cross pipe joint is greatly improved.
Description
Technical Field
The invention relates to the technical field of hardware processing, in particular to a cross pipe joint processing clamp.
Background
The cross pipe joint has the advantages of simple structure, mostly threaded connection and wide application range. In the production process of the cross pipe joint, four opening parts of the cross pipe joint are required to be processed to process internal threads or external threads, and the four opening parts are required to be clamped for four times to process the cross pipe joint, so that the processing efficiency is very low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cross joint machining clamp, which can perform self-centering fixing on a cross joint through two clamping jaws and can complete machining once through rotating the clamping jaws, thereby avoiding time waste caused by multiple clamping and greatly improving the machining efficiency of the cross joint.
The scheme for solving the technical problems is as follows:
a cross pipe joint machining clamp comprises two clamping jaws which are arranged in a bilateral symmetry mode, each clamping jaw comprises a clamping portion and a connecting portion which are integrally formed, and a first V-shaped groove which penetrates through the clamping portions in the front-back direction and a second V-shaped groove which penetrates through the clamping portions in the up-down direction are formed in the clamping portions; the connecting part of each clamping jaw is hinged at the upper end of a corresponding sliding seat; the two sliding seats are arranged in bilateral symmetry and are connected to the base in a sliding manner, and the base is provided with a driving mechanism for driving the two sliding seats to approach or depart from each other; the sliding seat on the right side is provided with an angle adjusting mechanism for driving the clamping jaw on the right side to rotate.
The connecting part is in a step column shape and is hinged in a bearing step hole at the upper end of the corresponding sliding seat through a first bearing and a second bearing which are arranged on the left and right sides.
The inner wall of the bearing stepped hole is provided with a plurality of annular grooves which are linearly and uniformly distributed, the damping rings are sleeved in the annular grooves, and the inner walls of the damping rings are pressed on the outer walls of the connecting parts.
A guide block is formed at the bottom of the sliding seat; two guide sliding chutes matched with the guide blocks are formed on the base, and the guide block of each sliding seat is inserted in the corresponding guide sliding chute;
the driving mechanism comprises a driving rod arranged in the left-right direction, a first screw rod and a second screw rod with opposite rotating directions and equal screw pitches are formed at two ends of the driving rod respectively, the first screw rod is in threaded connection with the sliding seat on the left side, and the second screw rod is in threaded connection with the sliding seat on the right side; the middle part of the driving rod is hinged with the middle part of the base; the outer end of the second screw is fixedly connected with a motor shaft of the first motor, and the first motor is fixedly connected with the base.
The angle adjusting mechanism comprises a second motor fixed on the sliding seat on the right side, a first gear is fixed on a motor shaft of the second motor, the first gear is meshed with the second gear, and the second gear is fixed at the outer end of the connecting portion of the clamping jaw on the right side.
Four positioning holes which are uniformly distributed in the circumference are formed on the outer wall of the clamping part of the clamping jaw on the right side;
a double-rod cylinder is fixed on the inner side wall of the sliding seat on the right side, a connecting plate is fixed on a piston rod of the double-rod cylinder, a positioning shaft is fixed on the connecting plate, and the positioning shaft is inserted and sleeved in one positioning hole.
A taper hole is formed in the orifice of the positioning hole, and a taper portion is formed at the end portion, far away from the connecting plate, of the positioning shaft.
The invention has the following outstanding effects: compared with the prior art, the self-centering fixing device can perform self-centering fixing on the cross pipe joint through the two clamping jaws, and can complete one-time processing through rotating the clamping jaws, so that the time wasted by multiple times of clamping is avoided, and the processing efficiency of the cross pipe joint is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
figure 4 is a schematic view of the structure of the clamping jaw of the invention.
Detailed Description
In an embodiment, as shown in fig. 1 to 4, a cross joint machining fixture comprises two clamping jaws 1 arranged in bilateral symmetry, wherein each clamping jaw 1 comprises a clamping part 11 and a connecting part 12 which are integrally formed, and a first V-shaped groove 13 penetrating in the front-back direction and a second V-shaped groove 14 penetrating in the up-down direction are formed in each clamping part 11; the connecting part 12 of each clamping jaw 1 is hinged at the upper end of a corresponding sliding seat 2; the two sliding seats 2 are arranged in bilateral symmetry and are connected to the base 3 in a sliding manner, and the base 3 is provided with a driving mechanism 4 for driving the two sliding seats 2 to approach to or depart from each other; the right sliding seat 2 is provided with an angle adjusting mechanism 5 for driving the right clamping jaw 1 to rotate.
Furthermore, the connecting portion 12 is in a stepped cylindrical shape, and the connecting portion 12 is hinged in the stepped bearing hole 21 at the upper end of the corresponding sliding seat 2 through a first bearing 61 and a second bearing 62 which are arranged on the left and right.
Furthermore, a plurality of ring grooves which are linearly and uniformly distributed from left to right are formed on the inner wall of the bearing stepped hole 21, a damping ring 63 is sleeved in each ring groove, and the inner wall of each damping ring 63 is pressed against the outer wall of the connecting part 12.
Furthermore, the bottom of the sliding seat 2 is formed with a guide block 22; two guide sliding chutes 31 matched with the guide blocks 22 are formed on the base 3, and the guide block 22 of each sliding seat 2 is inserted in the corresponding guide sliding chute 31;
the driving mechanism 4 comprises a driving rod 41 arranged in the left-right direction, a first screw 42 and a second screw 43 with opposite screw pitches in opposite directions are respectively formed at two ends of the driving rod 41, the first screw 42 is in threaded connection with the sliding seat 2 on the left side, and the second screw 43 is in threaded connection with the sliding seat 2 on the right side; the middle part of the driving rod 41 is hinged with the middle part of the base 3; the outer end of the second screw 43 is fixedly connected with a motor shaft of a first motor 44, and the first motor 44 is fixedly connected with the base 3.
Furthermore, the angle adjusting mechanism 5 includes a second motor 51 fixed on the right sliding seat 2, a first gear 52 is fixed on a motor shaft of the second motor 51, the first gear 52 is meshed with a second gear 53, and the second gear 53 is fixed on the outer end of the connecting portion 12 of the right clamping jaw 2.
Furthermore, four positioning holes 15 which are uniformly distributed in the circumference are formed on the outer wall of the clamping part 11 of the clamping jaw 1 on the right side;
a double-rod cylinder 71 is fixed on the inner side wall of the right sliding seat 2, a connecting plate 72 is fixed on a piston rod of the double-rod cylinder 71, a positioning shaft 73 is fixed on the connecting plate 72, and the positioning shaft 73 is inserted and sleeved in one positioning hole 15.
Furthermore, a tapered hole is formed at the opening of the positioning hole 15, and a tapered portion is formed at the end of the positioning shaft 73 away from the connecting plate 72.
The working principle is as follows: the cross pipe joint 9 is placed between the two clamping jaws 1, the first motor 44 drives the driving rod 41 to rotate, the first screw 42 and the second screw 43 at the two ends of the driving rod 41 rotate together, and the first screw 42 and the second screw 43 drive the two sliding seats 2 to approach each other due to the fact that the screw pitches of the first screw 42 and the second screw 43 are equal and the screw thread directions are opposite, and therefore the cross pipe joint 9 is clamped; the first V-shaped groove 13 and the second V-shaped groove 14 can perform self-centering clamping on the cross pipe joint; then, an external machine tool processes one opening part of the cross pipe joint 9;
after the first opening is processed, the piston rod of the double-rod cylinder 71 contracts to drive the connecting plate 72 to move downwards, the connecting plate 72 moves downwards to drive the positioning shaft 73 to move downwards, and the positioning shaft 73 moves downwards to separate from one positioning hole 15; then the second motor 51 drives the first gear 52 to rotate, the first gear 52 drives the right clamping jaw 2 to rotate 90 degrees through the second gear 53, then the piston rod of the double-rod cylinder 71 extends to drive the connecting plate 72 to move upwards, the connecting plate 72 moves upwards to drive the positioning shaft 73 to move upwards, the positioning shaft 73 moves upwards to be inserted into the other positioning hole 15, and the clamping jaw is accurately positioned; then, the external machine tool processes the second opening part of the cross pipe joint 9;
and similarly, finishing the processing of the third and fourth mouth parts.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (7)
1. The utility model provides a cross pipe joint adds clamping apparatus, includes clamping jaw (1) that two bilateral symmetry set up, its characterized in that: the clamping jaw (1) comprises a clamping part (11) and a connecting part (12) which are integrally formed, wherein a first V-shaped groove (13) which penetrates through the clamping part in the front-back direction and a second V-shaped groove (14) which penetrates through the clamping part in the up-down direction are formed on the clamping part (11); the connecting part (12) of each clamping jaw (1) is hinged at the upper end of a corresponding sliding seat (2); the two sliding seats (2) are arranged in bilateral symmetry and are connected to the base (3) in a sliding manner, and the base (3) is provided with a driving mechanism (4) for driving the two sliding seats (2) to approach or separate from each other; the sliding seat (2) on the right side is provided with an angle adjusting mechanism (5) for driving the clamping jaw (1) on the right side to rotate.
2. The cross joint machining fixture of claim 1, wherein: the connecting part (12) is in a step column shape, and the connecting part (12) is hinged in a bearing step hole (21) at the upper end of the corresponding sliding seat (2) through a first bearing (61) and a second bearing (62) which are arranged on the left and the right.
3. The cross joint machining jig of claim 2, wherein: the bearing is characterized in that a plurality of annular grooves which are linearly and uniformly distributed are formed in the inner wall of the bearing stepped hole (21), damping rings (63) are sleeved in the annular grooves, and the inner walls of the damping rings (63) are pressed against the outer wall of the connecting part (12).
4. The cross joint machining fixture of claim 1, wherein: a guide block (22) is formed at the bottom of the sliding seat (2); two guide sliding chutes (31) matched with the guide blocks (22) are formed in the base (3), and the guide block (22) of each sliding seat (2) is inserted in the corresponding guide sliding chute (31);
the driving mechanism (4) comprises a driving rod (41) arranged in the left-right direction, a first screw rod (42) and a second screw rod (43) which are opposite in rotation direction and equal in thread pitch are formed at two ends of the driving rod (41) respectively, the first screw rod (42) is in threaded connection with the sliding seat (2) on the left side, and the second screw rod (43) is in threaded connection with the sliding seat (2) on the right side; the middle part of the driving rod (41) is hinged with the middle part of the base (3); the outer end of the second screw rod (43) is fixedly connected with a motor shaft of the first motor (44), and the first motor (44) is fixedly connected with the base (3).
5. The cross joint machining fixture of claim 1, wherein: the angle adjusting mechanism (5) comprises a second motor (51) fixed on the sliding seat (2) on the right side, a first gear (52) is fixed on a motor shaft of the second motor (51), the first gear (52) is meshed with a second gear (53), and the second gear (53) is fixed at the outer end of the connecting portion (12) of the clamping jaw (2) on the right side.
6. The cross joint machining jig according to any one of claims 1 to 5, wherein: four positioning holes (15) which are uniformly distributed on the circumference are formed on the outer wall of the clamping part (11) of the clamping jaw (1) on the right side;
a double-rod cylinder (71) is fixed on the inner side wall of the sliding seat (2) on the right side, a connecting plate (72) is fixed on a piston rod of the double-rod cylinder (71), a positioning shaft (73) is fixed on the connecting plate (72), and the positioning shaft (73) is inserted in one positioning hole (15).
7. The cross joint machining fixture of claim 6, wherein: a taper hole is formed in the opening of the positioning hole (15), and a taper part is formed at the end part, far away from the connecting plate (72), of the positioning shaft (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010831744.3A CN112008440A (en) | 2020-08-18 | 2020-08-18 | Cross pipe joint machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010831744.3A CN112008440A (en) | 2020-08-18 | 2020-08-18 | Cross pipe joint machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112008440A true CN112008440A (en) | 2020-12-01 |
Family
ID=73504926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010831744.3A Pending CN112008440A (en) | 2020-08-18 | 2020-08-18 | Cross pipe joint machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112008440A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203993228U (en) * | 2014-05-28 | 2014-12-10 | 潍坊一诺机械配套有限公司 | A kind of four-way mantle fiber processing tool |
| CN204976103U (en) * | 2015-09-10 | 2016-01-20 | 哈尔滨职业技术学院 | Boring machine processing cross special fixture |
| JP2017164846A (en) * | 2016-03-16 | 2017-09-21 | 株式会社ナベヤ | Machine vice with centering adjustment function |
| CN108214346A (en) * | 2017-11-28 | 2018-06-29 | 浙江卓怡纺织有限公司 | A kind of cross pipe fitting fixed mechanism |
| CN207577916U (en) * | 2017-10-17 | 2018-07-06 | 贵州中航物资有限公司 | A kind of central shaft positional punch fixture |
| CN208801246U (en) * | 2018-08-17 | 2019-04-30 | 东莞市劲豪精密五金有限公司 | A kind of steady type hardware dies fixture for processing |
| CN209380290U (en) * | 2018-11-15 | 2019-09-13 | 苏州佰富林航空部件制造有限公司 | A kind of tube bending jig |
| CN210081207U (en) * | 2019-05-09 | 2020-02-18 | 成都天科精密制造有限责任公司 | High-precision four-way part machining tool |
| CN111015271A (en) * | 2019-11-19 | 2020-04-17 | 湖州吴兴珀莱机械厂 | Clamping device is used in steel pipe production |
| CN211162923U (en) * | 2019-07-09 | 2020-08-04 | 湖州海明机械科技有限公司 | Fixing device for hardware fitting |
-
2020
- 2020-08-18 CN CN202010831744.3A patent/CN112008440A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203993228U (en) * | 2014-05-28 | 2014-12-10 | 潍坊一诺机械配套有限公司 | A kind of four-way mantle fiber processing tool |
| CN204976103U (en) * | 2015-09-10 | 2016-01-20 | 哈尔滨职业技术学院 | Boring machine processing cross special fixture |
| JP2017164846A (en) * | 2016-03-16 | 2017-09-21 | 株式会社ナベヤ | Machine vice with centering adjustment function |
| CN207577916U (en) * | 2017-10-17 | 2018-07-06 | 贵州中航物资有限公司 | A kind of central shaft positional punch fixture |
| CN108214346A (en) * | 2017-11-28 | 2018-06-29 | 浙江卓怡纺织有限公司 | A kind of cross pipe fitting fixed mechanism |
| CN208801246U (en) * | 2018-08-17 | 2019-04-30 | 东莞市劲豪精密五金有限公司 | A kind of steady type hardware dies fixture for processing |
| CN209380290U (en) * | 2018-11-15 | 2019-09-13 | 苏州佰富林航空部件制造有限公司 | A kind of tube bending jig |
| CN210081207U (en) * | 2019-05-09 | 2020-02-18 | 成都天科精密制造有限责任公司 | High-precision four-way part machining tool |
| CN211162923U (en) * | 2019-07-09 | 2020-08-04 | 湖州海明机械科技有限公司 | Fixing device for hardware fitting |
| CN111015271A (en) * | 2019-11-19 | 2020-04-17 | 湖州吴兴珀莱机械厂 | Clamping device is used in steel pipe production |
Non-Patent Citations (1)
| Title |
|---|
| 张淑敏: "《机械设计课程设计指导书》", 30 September 2014, 中国农业大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201201 |