CN110405497B - Tailstock thimble positioning combined clamp for four-axis numerical control machining center - Google Patents
Tailstock thimble positioning combined clamp for four-axis numerical control machining center Download PDFInfo
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- CN110405497B CN110405497B CN201910856680.XA CN201910856680A CN110405497B CN 110405497 B CN110405497 B CN 110405497B CN 201910856680 A CN201910856680 A CN 201910856680A CN 110405497 B CN110405497 B CN 110405497B
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- thimble
- tailstock
- positioning
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- screw
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
A tailstock thimble location sectional fixture for four-axis numerical control machining center, including base and the just setting up rotary positioning mechanism and thimble mechanism on the base that are right each other, rotary positioning mechanism includes numerical control index plate device, connect in the tetrahedron rotary fixture body of index plate front end and connect in the locating piece of the front end of tetrahedron rotary fixture body, thimble mechanism includes the tailstock body, wear to locate the top in the through-hole of tailstock body, set up the thimble lead screw in top rear end, set up in the thimble handle dish of thimble lead screw rear end, the top locating sleeve of top front end is located to the cover and set up in the thimble locating piece of top locating sleeve front end, the locating pin of locating piece is right each other with the locating pin of thimble locating piece, the rear end fixedly connected with U-shaped piece, the middle part of this U-shaped piece is provided with the screw, the thimble lead screw wears to locate in this screw, be provided with the bearing between top locating sleeve and the top. The five-axis motion and machining can be realized on the basis of a four-axis numerical control machining center.
Description
Technical Field
The invention relates to a clamp, in particular to a tailstock thimble positioning combined clamp for a four-axis numerical control machining center.
Background
In the prior art, four-axis numerical control machining centers are usually matched with clamps to machine workpieces. If during processing the round bar type part, the tip hole is made at the end part of the part, the clamp adopts a one-clamp-one-tip principle to position the part, and the clamp is rotated to enable the 360-degree outer circumference of the part to be processed. The existing clamp cannot position and angle positioning of parts, particularly, a small tetragonal part needs to be machined into six surfaces, in this case, a four-axis numerical control machining center cannot meet the machining requirement, and the cost of the five-axis numerical control machining center is greatly increased. Meanwhile, a five-axis numerical control machining center does not adopt a one-clamping-one-ejection principle to position parts, the structure is complex, and the clamping operation is time-consuming and labor-consuming.
Therefore, there is a need in the art for a fixture for a four-axis numerically controlled machining center that can perform part position and angle positioning, and through rotation of the fixture and positioning of the position and angle of the part, achieve a fifth axis of motion and machining on the basis of the four-axis numerically controlled machining center.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a tailstock thimble positioning combined clamp for a four-axis numerical control machining center, which has the advantages of simple structure, quick clamping, capability of positioning the position and the angle of a part and guarantee of product quality and dimensional accuracy.
The invention is realized by the following technical scheme: the utility model provides a tailstock thimble location sectional fixture for four-axis numerical control machining center, includes base and the rotatory positioning mechanism and the thimble mechanism of setting on the base that are just to each other, rotatory positioning mechanism includes numerical control index plate device, connect in the rotatory anchor clamps body of tetrahedron of index plate front end of numerical control index plate device, connect in the rotatory anchor clamps locating piece of the front end of tetrahedron rotatory anchor clamps body and set up in the locating pin of rotatory anchor clamps locating piece front end, thimble mechanism includes the tailstock body that the middle part is provided with the through-hole that link up from front to back, wears to locate the top in the through-hole of tailstock body, sets up the thimble lead screw at top rear end, sets up the thimble handle dish at thimble lead screw rear end, sets up the top locating sleeve of top, sets up in the top locating piece front end of top locating piece and sets up in the locating pin of locating piece front end, the rear end fixedly connected with U-shaped piece, the middle part of this U-shaped piece is provided with the screw, wear to locate in this top lead screw and wear to locate between the bearing sleeve.
The tail seat body is provided with a through screw hole extending from the outer surface of the tail seat body to the through hole of the tail seat body, an inner hexagonal locking screw is arranged in the through screw hole, and the end part of the inner hexagonal locking screw is opposite to the outer circumferential surface of the center and is provided with a plastic compression block in the through screw hole.
The center locating sleeve is provided with a fixed screw hole, a fixed screw is arranged in the fixed screw hole, and the fixed screw penetrates through the fixed screw hole to extend into the center locating sleeve to be contacted with the peripheral surface of the center.
The tailstock body is provided with the oiling screw hole of follow the surface of this tailstock body to this tailstock body the through-hole, be provided with the oiling hole screw in the oiling screw hole.
The tail seat is characterized in that a tail seat heightening block is arranged between the tail seat body and the base, a T-shaped groove is formed in the upper surface of the base, a heightening block T-shaped groove positioning block is fixedly arranged at the lower end of the tail seat heightening block, the heightening block T-shaped groove positioning block is positioned in the T-shaped groove, and a locking bolt is arranged between the tail seat heightening block and the base.
And a vice is arranged on the tailstock heightening block.
The side face of the tetrahedron rotary clamp body is fixedly connected with a vice.
And a driver heightening block is arranged between the numerical control index plate device and the base.
The beneficial effects of the invention are as follows: the invention has simple structure, quick clamping and high efficiency, and can position and position the part at an angle so as to realize the fifth axis action and processing on the basis of a four-axis numerical control processing center and ensure the product quality and the dimensional accuracy.
Drawings
FIG. 1 is a schematic view of a first perspective of the present invention;
FIG. 2 is a schematic view of a second perspective of the present invention;
Fig. 3 is a schematic diagram of the front structure of the present invention.
In the figure: 1-a driver; 2-dividing disc; 3-tetrahedral rotary jig body; 4-vice; 5-rotating the fixture positioning block; 6-locating pins; 7-a workpiece; 8-thimble positioning blocks; 9-fixing screws; 10-center positioning sleeve; 11-a bearing; 12-center; 13-a tailstock body; 14-internal hexagonal locking screw; 15-a tailstock heightening block; 16-thimble lead screw; 17-a thimble handle disc; 18-a handle; 19-heightening a T-shaped groove positioning block; 20-an oil hole screw; 21-a nut; 22-a drive spacer block; 23-U-shaped member; 24-base.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, a tailstock thimble positioning combined fixture for a four-axis numerical control machining center comprises a base 24, a rotary positioning mechanism and a thimble mechanism, wherein the rotary positioning mechanism and the thimble mechanism are arranged on the base 24 and are opposite to each other, the rotary positioning mechanism comprises a numerical control index plate device, a tetrahedron rotary fixture body 3 connected to the front end of an index plate 2 of the numerical control index plate device, a rotary fixture positioning block 5 connected to the front end of the tetrahedron rotary fixture body 3, and a positioning pin 6 arranged at the front end of the rotary fixture positioning block 5, the thimble mechanism comprises a tailstock body 13, a center 12, a thimble screw 16, a handle disc 17, a handle 18, a positioning pin 6, a positioning pin 6 and a U-shaped piece 23, the center 12 is arranged in the through hole of the tailstock body 13, the thimble screw 16 is arranged at the rear end of the tailstock body, the center handle disc 17 is arranged at the rear end of the center 12, the center positioning sleeve 10 is sleeved at the front end of the center 12, the positioning pin 8 is arranged at the front end of the positioning block 8, the positioning pin 6 and the positioning pin 6 is opposite to the positioning pin 6 of the positioning block 8, the center 21 is fixedly arranged at the rear end of the tailstock body 13, the center 21 is arranged between the center screw 21 and the center screw 21 is arranged at the center 21, and the center screw 21 is arranged in the center nut is arranged, and the center screw 21 is arranged at the center positioning nut.
The numerical control dividing disc device comprises a driver 1 and an dividing disc 2. Four sides of the tetrahedron rotary fixture body 3 are provided with positioning holes and screw fixing holes, and vice 4 can be installed on the four sides. The nut 21 is made of copper nuts, is corrosion-resistant and rust-resistant, and is easy to process and replace.
Referring to fig. 1 and 2, both left and right sides of the workpiece 7 are provided with positioning holes. When the workpiece 7 positioning device works, the positioning pin 6 of the clamp positioning block 5 is rotated to position two positioning holes on the left side face of the workpiece 7, then the center 12 is pushed by hand crank 18, so that the positioning pin 6 of the center positioning block 8 extends into the two positioning holes on the right side of the workpiece 7 to position the workpiece 7, the positioning pin 6 positions the workpiece 7, and the workpiece 7 can be prevented from shifting.
The tailstock body 13 is provided with a through screw hole extending from the outer surface of the tailstock body 13 to a through hole of the tailstock body 13, an inner hexagonal locking screw 14 is arranged in the through screw hole, and a plastic compression block is arranged in the through screw hole, wherein the end part of the inner hexagonal locking screw 14 is opposite to the outer circumferential surface of the center 12. The inner hexagonal locking screw 14 is screwed down, so that the self-locking and fixing functions can be achieved, and the workpiece 7 is prevented from loosening due to vibration during processing. The inner hexagonal locking screw 14 is loosened, and the hand crank 18 drives the thimble positioning block 8 to move backwards, so that the workpiece 7 can be removed.
The center positioning sleeve 10 is provided with a fixed screw hole, a fixed screw 9 is arranged in the fixed screw hole, and the fixed screw 9 penetrates through the fixed screw hole to extend into the center positioning sleeve 10 to be contacted with the peripheral surface of the center 12. After the thimble locating block 8 is tightly propped against the workpiece 7, the fixing screw 9 is locked, the fixing screw 9 plays a role in fixing the center locating sleeve 10, so that the center locating sleeve cannot be loosened, and the machining clamping stability is ensured.
The tailstock body 13 is provided with an oiling screw hole extending from the outer surface of the tailstock body 13 to the through hole of the tailstock body 13, and an oiling hole screw 20 is arranged in the oiling screw hole. Lubricating oil is periodically added through the oiling screw holes, so that the center 12 shaft can be prevented from being strained.
A tailstock heightening block 15 is arranged between the tailstock body 13 and the base 24, a T-shaped groove is arranged on the upper surface of the base 24, a heightening block T-shaped groove positioning block 19 is fixedly arranged at the lower end of the tailstock heightening block 15, the heightening block T-shaped groove positioning block 19 is positioned in the T-shaped groove, and a locking bolt is arranged between the tailstock heightening block 15 and the base 24. Tailstock elevating block 15 elevates the thimble so that it is aligned with the center of rotation. The ejector pin mechanism can horizontally move through the T-shaped groove positioning block 19 of the lifting block, and the position of the center 12 relative to the rotation center is not affected. The tailstock elevating block 15 is provided with a vice 4.
As shown in fig. 1 and 2, a vice 4 is fixedly connected to the side surface of the tetrahedron rotary clamp body 3. A driver heightening block 22 is arranged between the numerical control dividing plate device and a base 24, and a larger workpiece 7 can be processed after heightening.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and that the simple modification and equivalent substitution of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. A tailstock thimble location sectional fixture for four-axis numerical control machining center, its characterized in that: the tailstock thimble positioning combined clamp comprises a base, a rotary positioning mechanism and a thimble mechanism, wherein the rotary positioning mechanism and the thimble mechanism are arranged on the base and are opposite to each other, the rotary positioning mechanism comprises a numerical control index plate device, a tetrahedron rotary clamp body connected to the front end of the index plate of the numerical control index plate device, a rotary clamp positioning block connected to the front end of the tetrahedron rotary clamp body and a positioning pin arranged at the front end of the rotary clamp positioning block, the thimble mechanism comprises a tailstock body, the middle part of the tailstock body is provided with a through hole which penetrates through from front to back, a center in the through hole of the tailstock body, a thimble screw rod arranged at the rear end of the center, a thimble handle disc arranged at the rear end of the thimble screw rod, a handle arranged on the thimble handle disc, a center positioning sleeve sleeved at the front end of the center, a thimble positioning block arranged at the front end of the center positioning sleeve and a positioning pin arranged at the front end of the thimble positioning block, the positioning pin of the rotary clamp positioning block are opposite to each other, the rear end of the tailstock body is fixedly connected with a U-shaped piece, the middle part of the thimble is provided with a screw, and the screw rod is arranged in the screw rod in the center, and a bearing is arranged between the center and the center positioning sleeve. The center positioning sleeve is provided with a fixed screw hole, a fixed screw is arranged in the fixed screw hole, and the fixed screw penetrates through the fixed screw hole and stretches into the center positioning sleeve to be contacted with the peripheral surface of the center; a tailstock heightening block is arranged between the tailstock body and the base, a T-shaped groove is formed in the upper surface of the base, a heightening block T-shaped groove positioning block is fixedly arranged at the lower end of the tailstock heightening block, the heightening block T-shaped groove positioning block is positioned in the T-shaped groove, and a locking bolt is arranged between the tailstock heightening block and the base; a vice is arranged on the tailstock heightening block; four sides of the tetrahedron rotary clamp body are provided with positioning holes and screw fixing holes, and vice can be installed on the four sides.
2. The tailstock thimble positioning combination fixture for a four-axis numerically-controlled machining center according to claim 1, wherein: the tail seat body is provided with a through screw hole extending from the outer surface of the tail seat body to the through hole of the tail seat body, an inner hexagonal locking screw is arranged in the through screw hole, and the end part of the inner hexagonal locking screw is opposite to the outer circumferential surface of the center and is provided with a plastic compression block in the through screw hole.
3. The tailstock thimble positioning combination fixture for the four-axis numerical control machining center according to claim 2, wherein: the tailstock body is provided with the oiling screw hole of follow the surface of this tailstock body to this tailstock body the through-hole, be provided with the oiling hole screw in the oiling screw hole.
4. The tailstock thimble positioning composite fixture for a four-axis numerically-controlled machining center according to claim 3, wherein: and a driver heightening block is arranged between the numerical control index plate device and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856680.XA CN110405497B (en) | 2019-09-11 | 2019-09-11 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856680.XA CN110405497B (en) | 2019-09-11 | 2019-09-11 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110405497A CN110405497A (en) | 2019-11-05 |
| CN110405497B true CN110405497B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910856680.XA Active CN110405497B (en) | 2019-09-11 | 2019-09-11 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
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| CN (1) | CN110405497B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695885A (en) * | 2019-11-12 | 2020-01-17 | 珠海市润星泰电器有限公司 | Clamp platform |
| CN110871358A (en) * | 2019-11-28 | 2020-03-10 | 马鞍山楚锐科技信息咨询有限公司 | Four-side processing platform of strip-shaped block |
| CN111673172A (en) * | 2020-06-08 | 2020-09-18 | 扬州润祥塑业有限公司 | Be used for communication pipe manufacturing to use environment-friendly cutting device |
| CN111673513A (en) * | 2020-07-15 | 2020-09-18 | 中国计量大学 | A Universal CNC Machine Tool Fixture for Fixing the Compressor Cover |
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| CN206474912U (en) * | 2017-02-17 | 2017-09-08 | 成都交大普尔实业有限公司 | A kind of four-axle linked rotary tooling |
| CN110216306A (en) * | 2019-07-02 | 2019-09-10 | 揭阳市天阳模具有限公司 | A kind of four novel axis pattern block engraving systems |
| CN210649595U (en) * | 2019-09-11 | 2020-06-02 | 恩欣格工程塑料（上海）有限公司 | Tailstock thimble positioning combined clamp for four-axis numerical control machining center |
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- 2019-09-11 CN CN201910856680.XA patent/CN110405497B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010158757A (en) * | 2009-01-09 | 2010-07-22 | Ntn Corp | Grinding equipment |
| CN102152145A (en) * | 2011-04-07 | 2011-08-17 | 宁波永信减震器有限公司 | Clamp device for processing brake cylinder of high-speed rail train |
| CN202225656U (en) * | 2011-08-31 | 2012-05-23 | 汪洪涛 | Tailstock thimble of cylindrical engraving machine |
| CN103465046A (en) * | 2013-05-14 | 2013-12-25 | 浙江永力达数控机床有限公司 | Numerically controlled fixture system for numerically controlled machine tools and usage thereof |
| CN203696456U (en) * | 2013-11-29 | 2014-07-09 | 浙江台玖精密机械有限公司 | Rapid double-ejecting tooling clamp for milling groove |
| CN204976097U (en) * | 2015-08-27 | 2016-01-20 | 浙江西子航空工业有限公司 | Realize clamping device of five processing of triaxial |
| CN206415631U (en) * | 2017-01-12 | 2017-08-18 | 证隆实业有限公司 | Thimble axis damping device |
| CN206474912U (en) * | 2017-02-17 | 2017-09-08 | 成都交大普尔实业有限公司 | A kind of four-axle linked rotary tooling |
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| CN110405497A (en) | 2019-11-05 |
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