CN107486737B - Over-positioning and pressing device for machined thin-walled part - Google Patents
Over-positioning and pressing device for machined thin-walled part Download PDFInfo
- Publication number
- CN107486737B CN107486737B CN201710798501.2A CN201710798501A CN107486737B CN 107486737 B CN107486737 B CN 107486737B CN 201710798501 A CN201710798501 A CN 201710798501A CN 107486737 B CN107486737 B CN 107486737B
- Authority
- CN
- China
- Prior art keywords
- positioning
- clamping block
- block
- locking
- supporting cushion
- 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.)
- Active
Links
- 238000003825 pressing Methods 0.000 title claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 8
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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
- 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
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Jigs For Machine Tools (AREA)
Abstract
the invention discloses a positioning and compressing device for machining thin-walled parts, which comprises a supporting cushion block and a positioning chute arranged in the middle of the supporting cushion block, wherein the positioning chute is connected with an axial moving shaft in a penetrating manner in the left and right directions; meanwhile, two sides of the transverse position of the supporting cushion block, which is perpendicular to the axial moving shaft, are respectively provided with a pressing device. The over-positioning pressing device for the machined thin-wall part, disclosed by the invention, adopts the over-positioning device, is simple to operate in the actual use process, changes the traditional over-positioning position marking and pressing mode, saves the clamping time, reduces the labor intensity of an operator, and can quickly and simply clamp the part by the operator, and the part is within the allowable deformation tolerance.
Description
Technical Field
The invention relates to the technical field of large thin-wall parts, in particular to an over-positioning and compressing device for a machined thin-wall part.
background
Many robot parts are thin-walled parts, and the clamping and the over-mounting are easy to generate cutter vibration and generate dimensional tolerance due to machining deformation.
In order to ensure that the part is clamped firmly, the thin-wall part is often over-positioned when positioned, the positioning points are more than six points, and the deformation of the part after clamping can not be caused by failing to meet the six-point positioning principle.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the over-positioning pressing device for the machined thin-wall part, which is convenient to use, simple to operate and capable of keeping the repeated positioning error within 0.02.
The technical scheme adopted by the invention is as follows: a positioning and compressing device for machining thin-walled parts comprises a supporting cushion block and a positioning chute arranged in the middle of the supporting cushion block, wherein the positioning chute is connected with an axial moving shaft in a penetrating manner in the left and right direction, the axial moving shaft is positioned on two side surfaces of the supporting cushion block and compresses a left clamping block and a right clamping block through a guide rod respectively, and a left locking part adjusting screw and a right locking part adjusting screw are arranged on the left clamping block and the right clamping block respectively; meanwhile, two sides of the transverse position of the supporting cushion block, which is perpendicular to the axial moving shaft, are respectively provided with a pressing device.
Furthermore, the bottom of the supporting cushion block is also provided with a fixing hole, and the fixing hole is connected with other fixing parts through a connecting piece.
Furthermore, each pressing device comprises a locking screw, a fastening nut and a pressing block, wherein the locking screw penetrates through the fastening nut and the supporting cushion block to be connected with the pressing block, one end of the pressing block presses the rolling bushing, and the other end of the pressing block is fixed on the locking screw.
Further, the surface of the rolling bushing is subjected to medium frequency quenching, the hardness is HRC50, the tolerance grade is g6, and the roughness is Ra0.8; and the guide bar is made of tin bronze, inner hole tolerance H7, roughness ra0.8.
Furthermore, the left locking part adjusting screw and the right locking part adjusting screw respectively comprise a locking nut and an adjusting screw, wherein the locking nut is fixed on the left clamping block or the right clamping block, and the adjusting screw penetrates through the left clamping block or the right clamping block and the corresponding locking nut to adapt to thin-wall parts with different thicknesses.
Furthermore, the left clamping block and the right clamping block are also provided with jacking screw rods at positions corresponding to the axial moving shaft.
Compared with the prior art, the invention has the beneficial effects that: the over-positioning pressing device for the machined thin-wall part, disclosed by the invention, adopts the over-positioning device, is simple to operate in the actual use process, changes the traditional over-positioning position marking and pressing mode, saves the clamping time, reduces the labor intensity of an operator, and can quickly and simply clamp the part by the operator, and the part is within the allowable deformation tolerance.
Drawings
FIG. 1 is a three-dimensional block diagram of a machined thin-walled part over-locating hold-down device;
FIG. 2 is a perspective view of the over-position hold-down device mounted on a thin-walled part;
FIG. 3 is an embodiment of a fixture for use with the over-position clamp device in combination with other positioning structures;
wherein: 1-supporting cushion block, 2-axial moving shaft, 3-guide rod, 4-left clamping block, 5-right clamping block, 6-left locking component adjusting screw rod, 7-right locking component adjusting screw rod, 8-pressing device, 9-positioning chute, 10-rolling bushing, 11-fixing hole, 12-connecting piece, 13-locking screw rod, 14-fastening nut, 15-pressing block, 16-locking nut, 17-adjusting screw rod and 18-jacking screw rod.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further explained with reference to the accompanying drawings and examples, which are only for the purpose of explaining the present invention and do not limit the scope of the present invention.
As shown in fig. 1, the over-positioning and compressing device for machining thin-walled parts comprises a supporting cushion block 1 and a positioning chute 9 arranged in the middle of the supporting cushion block, wherein the positioning chute 9 is connected with an axial moving shaft 2 in a penetrating manner in the left-right direction, the axial moving shaft 2 is positioned on two side surfaces of the supporting cushion block 1 and compresses a left clamping block 4 and a right clamping block 5 through a guide rod 3 respectively, and a left locking component adjusting screw 6 and a right locking component adjusting screw 7 are arranged on the left clamping block 4 and the right clamping block 5 respectively; meanwhile, two sides of the lateral position of the supporting cushion block 1 perpendicular to the axial moving shaft 2 are respectively provided with a pressing device 8.
As shown in detail in fig. 2, the bottom of the shoe 1 is further provided with a fixing hole 11, and the fixing hole 11 is connected to other fixing components through a connecting member 12, so that the installation and positioning are convenient, and the structure is compact.
In the above embodiment, each pressing device 8 comprises a locking screw 13, a fastening nut 14 and a pressing block 15, wherein the locking screw 13 penetrates through the fastening nut 14 and the support cushion block 1 to connect the pressing block 15, one end of the pressing block 15 presses the rolling bushing 10, and the other end of the pressing block 15 is fixed on the locking screw 13, so that the service life is longer.
In the above embodiment, the surface of the rolling bush 10 is subjected to medium frequency quenching, the hardness HRC50, the tolerance grade g6, and the roughness ra0.8; and the guide rod 3 is made of tin bronze, the tolerance of an inner hole is H7, the roughness is Ra0.8, and the durability is good.
in the above embodiment, the left locking component adjusting screw 6 and the right locking component adjusting screw 7 respectively comprise a locking nut 16 and an adjusting screw 17, wherein the locking nut 16 is fixed on the left clamping block 4 or the right clamping block 5, and the adjusting screw 17 passes through the left clamping block 4 or the right clamping block 5 and the corresponding locking nut to adapt to thin-wall parts with different thicknesses.
In the above embodiment, the positions of the left clamping block 4 and the right clamping block 5 corresponding to the axial moving shaft 2 are further provided with the jacking screw 18, so that the axial moving shaft 2 can be better jacked, and the clamping degree of the axial moving shaft 2 on the thin-wall part is ensured.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (3)
1. The utility model provides a machine tooling thin wall spare crosses location closing device which characterized in that: the clamping device comprises a supporting cushion block (1) and a positioning sliding groove (9) arranged in the middle of the supporting cushion block, wherein the positioning sliding groove (9) is connected with an axial moving shaft (2) in a penetrating manner in the left-right direction, the axial moving shaft (2) is positioned on two side surfaces of the supporting cushion block (1) and respectively compresses a left clamping block (4) and a right clamping block (5) through a guide rod (3), and a left locking part adjusting screw rod (6) and a right locking part adjusting screw rod (7) are respectively arranged on the left clamping block (4) and the right clamping block (5);
Meanwhile, two sides of the supporting cushion block (1) perpendicular to the transverse position of the axial moving shaft (2) are respectively provided with a pressing device (8);
A rolling bushing (10) is further arranged at the position, located on the positioning sliding groove (9), of the axial moving shaft (2);
each pressing device (8) comprises a locking screw (13), a fastening nut (14) and a pressing block (15), wherein the locking screw (13) penetrates through the fastening nut (14) and the supporting cushion block (1) to be connected with the pressing block (15), one end of the pressing block (15) presses the rolling bushing (10), and the other end of the pressing block (15) is fixed on the locking screw (13);
The left locking component adjusting screw rod (6) and the right locking component adjusting screw rod (7) respectively comprise a locking nut (16) and an adjusting screw rod (17), wherein the locking nut (16) is fixed on the left clamping block (4) or the right clamping block (5), and the adjusting screw rod (17) penetrates through the left clamping block (4) or the right clamping block (5) and the corresponding locking nut to adapt to thin-wall parts with different thicknesses;
and the left clamping block (4) and the right clamping block (5) are also provided with jacking screw rods (18) at positions corresponding to the axial moving shaft (2).
2. The over-positioning and compressing device for the machined thin-walled workpiece according to claim 1, wherein: the bottom of the supporting cushion block (1) is also provided with a fixing hole (11), and the fixing hole (11) is connected with other fixing parts through a connecting piece (12).
3. The over-positioning and compressing device for the machined thin-walled workpiece according to claim 1, wherein: the surface of the rolling bushing (10) is subjected to medium frequency quenching, the hardness is HRC50, the tolerance grade is g6, and the roughness is Ra0.8; and the guide bar (3) is made of tin bronze, the tolerance of an inner hole is H7, and the roughness is Ra0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798501.2A CN107486737B (en) | 2017-09-07 | 2017-09-07 | Over-positioning and pressing device for machined thin-walled part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798501.2A CN107486737B (en) | 2017-09-07 | 2017-09-07 | Over-positioning and pressing device for machined thin-walled part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107486737A CN107486737A (en) | 2017-12-19 |
| CN107486737B true CN107486737B (en) | 2019-12-10 |
Family
ID=60652374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710798501.2A Active CN107486737B (en) | 2017-09-07 | 2017-09-07 | Over-positioning and pressing device for machined thin-walled part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107486737B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977538B (en) * | 2019-12-25 | 2021-04-13 | 太原重工股份有限公司 | Method for determining the clamping force of a thin-walled workpiece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062657A (en) * | 1999-08-25 | 2001-03-13 | Howa Mach Ltd | Chuck |
| CN101214620A (en) * | 2008-01-17 | 2008-07-09 | 大连机床集团有限责任公司 | Thin wall cover locating clamping device |
| CN103419051A (en) * | 2013-08-08 | 2013-12-04 | 江西洪都航空工业集团有限责任公司 | Thin-wall sleeve inner hole finish machining clamp and inner hole machining method |
| CN203817791U (en) * | 2014-03-27 | 2014-09-10 | 南京泉峰汽车精密技术有限公司 | Positioning device applicable to thin-wall piece |
| CN106541290A (en) * | 2017-01-23 | 2017-03-29 | 苏州经贸职业技术学院 | A kind of jig of the circumferential registration for thin-wall part processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202684778U (en) * | 2012-04-12 | 2013-01-23 | 江苏启尖丝杠制造有限公司 | Clamping device for ball screw assembly running-in and self centering |
-
2017
- 2017-09-07 CN CN201710798501.2A patent/CN107486737B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001062657A (en) * | 1999-08-25 | 2001-03-13 | Howa Mach Ltd | Chuck |
| CN101214620A (en) * | 2008-01-17 | 2008-07-09 | 大连机床集团有限责任公司 | Thin wall cover locating clamping device |
| CN103419051A (en) * | 2013-08-08 | 2013-12-04 | 江西洪都航空工业集团有限责任公司 | Thin-wall sleeve inner hole finish machining clamp and inner hole machining method |
| CN203817791U (en) * | 2014-03-27 | 2014-09-10 | 南京泉峰汽车精密技术有限公司 | Positioning device applicable to thin-wall piece |
| CN106541290A (en) * | 2017-01-23 | 2017-03-29 | 苏州经贸职业技术学院 | A kind of jig of the circumferential registration for thin-wall part processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107486737A (en) | 2017-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104128733A (en) | Adjustable welding set | |
| CN201889364U (en) | Adjustable positioning fixture of punching machine | |
| CN101176928A (en) | Drilling jig for unitized tooling circumferential and axial bore of electrohydraulic servo valve cover plate | |
| CN107486737B (en) | Over-positioning and pressing device for machined thin-walled part | |
| CN214237921U (en) | Auxiliary tool for workpiece assembly | |
| CN210387222U (en) | Stamping forming die for automobile audio bracket | |
| CN103894851A (en) | Automatic clamping device with lateral positioning function and using method thereof | |
| CN210360402U (en) | Positioning fixture for chamfering connecting rod | |
| CN103639736A (en) | Automatic adjusting and positioning device | |
| CN203887235U (en) | Apparatus for machining spherical inside and outside surfaces by using a common vertical lathe | |
| CN203804589U (en) | Automatic clamping device with side direction positioning | |
| CN105033710A (en) | Hydraulic clamping clamp for machining joist steel or box iron | |
| CN205733991U (en) | A kind of Small Cylindrical body punching parts quick clamping mechanism | |
| CN110434372A (en) | A kind of thin plate drilling tool fixture and its clamping method | |
| CN214770593U (en) | Clamping device for oil tank valve body | |
| CN104827304A (en) | Locking mechanism | |
| CN212552774U (en) | Clamp for expanding machining range of boring and milling machine | |
| CN105729186A (en) | Vehicle steering tie rod arm drilling and milling clamp | |
| CN105345497B (en) | Linkage type floating clamp | |
| CN218081465U (en) | Clamp suitable for machining of multiple workpieces | |
| CN105014427B (en) | A kind of frock clamp of Z-type marine air conditioning beam | |
| CN220362065U (en) | Multi-size universal semi-automatic chamfering machine | |
| CN212496464U (en) | Machining system for high-precision connecting rod | |
| CN216990845U (en) | Front and back side tool clamp for cylindrical part | |
| CN218904393U (en) | Overturning and clamping tool for profile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An over positioning pressing device for machining thin-walled parts Effective date of registration: 20220715 Granted publication date: 20191210 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230920 Granted publication date: 20191210 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2022980010523 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A device for over positioning and pressing machined thin-walled parts Effective date of registration: 20231101 Granted publication date: 20191210 Pledgee: Industrial and Commercial Bank of China Limited Guangde sub branch Pledgor: ANHUI YONGCHENG MACHINERY Co.,Ltd. Registration number: Y2023980063611 |