CN201931146U - Clamping mechanism for knife handle of numerical control milling machine - Google Patents
Clamping mechanism for knife handle of numerical control milling machine Download PDFInfo
- Publication number
- CN201931146U CN201931146U CN2010206152128U CN201020615212U CN201931146U CN 201931146 U CN201931146 U CN 201931146U CN 2010206152128 U CN2010206152128 U CN 2010206152128U CN 201020615212 U CN201020615212 U CN 201020615212U CN 201931146 U CN201931146 U CN 201931146U
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- main body
- wall
- shaped
- screw thread
- holder main
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- Expired - Fee Related
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Abstract
The utility model relates to a clamping mechanism for a knife handle of a numerical control milling machine, which comprises a knife handle main body, an outer locking ring, an inner locking ring and an elastic chuck, wherein the locking connection position of the knife handle main body is provided with an inner steel-ball slot, and the outer wall of the head part is provided with a positioning slot and a taper inner wall; an outer steel-ball slot and an internal connecting screw thread are arranged in the inner hole of the outer locking ring, the outer steel-ball slot is provided with an outer through hole, and a plug is installed in the outer through hole; positioning steel balls are installed in the outer steel-ball slot and the inner steel-ball slot; the outer wall of the inner locking ring is provided with an external screw thread, the end part is provided with a positioning tenon, and the inner wall is provided with an oblique conical surface; the external screw thread is matched with the internal screw thread of the outer locking ring, and the positioning tenon is matched with the positioning slot of the knife handle main body; the elastic chuck is provided with an open slot, a taper outer wall and a positioning oblique plane, and the taper outer wall is matched with the taper inner wall of the knife handle main body; and the positioning oblique plane is matched with the oblique conical surface of the inner locking ring.
Description
Technical field
The utility model relates to CNC milling machine, particularly relates to CNC milling machine handle of a knife clamp mechanism, belongs to machine tool field.
Background technology
In metallic element and Mould Machining, be extensive use of CNC milling machine, but clamping main body and the handle of a knife of existing CNC milling machine cutter push clamping by needle bearing firmly to collet, extremely require great effort during installation, and pass through needle bearing for a long time to the locking of chuck, cause strain, influence clamping force, influence precision, service life is short, in case part damages, and all scraps.The trouble of needle bearing processing simultaneously, the cost height.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of prior art, to provide a kind of holder main body and cutter to install and clamp easily, and is easy to operate, reliable lock, the CNC milling machine handle of a knife clamp mechanism of long service life.
The technical scheme of the utility model CNC milling machine handle of a knife clamp mechanism is to it is characterized in that comprising:
One holder main body, the locking junction of holder main body is shaped on interior steel bead groove, is shaped on locating slot and tapering inwall at the outer wall of head;
One external lock collar is shaped on outer steel bead groove and is connected internal thread in the outer tight retainer endoporus, and outer steel bead groove has accessibke porosity, and plug is installed in the accessibke porosity; In outer steel bead groove and the interior steel bead groove positioning ball is installed;
Clamp ring in one, interior clamp ring outer wall is shaped on external screw thread, the end is shaped on location lug and inwall is shaped on scalene cone, and external screw thread matches with the internal thread of external lock collar, and location lug matches with the locating slot of holder main body;
One collet, collet are shaped on open slot, tapering outer wall and inclined-plane, location, and the tapering outer wall matches with the tapering inwall of holder main body, and the inclined-plane, location matches with the scalene cone of interior clamp ring.
The utility model discloses a kind of CNC milling machine handle of a knife clamp mechanism, comprise by holder main body, the external lock collar, interior clamp ring, steel ball and collet totally five form, during assembling with the outside of outer locking snare in the bottom of holder main body, when interior, when outer steel bead groove reaches the relevant position, in steel ball is put into by through hole, in the outer steel bead groove, after piling steel ball, through hole is blocked with plug, make steel ball interior, after positioning between the outer steel bead groove, the external lock collar can not be transferred to, major part with collet is pressed in the endoporus of interior clamp ring again, collet relies on the open slot strain to enter in the interior clamp ring, match with the scalene cone of interior clamp ring by the inclined-plane, location, can not deviate from, then the tapering outer wall with collet inserts in the tapering inwall of holder main body, and the external screw thread of clamp ring is connected with the internal thread of external lock collar in the rotation again, and location lug is entered in the locating slot.When mounting cutter, cutter to be inserted in the collet, rotation external lock collar is clamped cutter very easily, and easily, and this clamp mechanism is made up of the structure of positioner whirligig, long service life, the part damage can be changed at any time.
The utility model CNC milling machine handle of a knife clamp mechanism, described holder main body has 2 locating slots, and described interior clamp ring is shaped on 2 location lugs.2 location lugs cooperate the intensity height, spacing balance with 2 locating slots.Described internal thread and external screw thread are trapezoidal thread.Trapezoidal thread intensity is good, and coupling mechanism force is big, and is durable again.
Description of drawings
Fig. 1 is the utility model CNC milling machine handle of a knife clamp mechanism decomposing schematic representation;
Fig. 2 is the holder main body schematic diagram;
Fig. 3 is the utility model CNC milling machine handle of a knife clamp mechanism assembling schematic diagram.
The specific embodiment
The utility model discloses a kind of CNC milling machine handle of a knife clamp mechanism, as shown in Figure 1-Figure 3, a holder main body 1, the locking junction of holder main body 1 is shaped on interior steel bead groove 11, is shaped on locating slot 12 and tapering inwall 13 at the outer wall of head; One external lock collar 2 is shaped on outer steel bead groove 21 and is connected internal thread 22 in outer tight retainer 2 endoporus, and outer steel bead groove 21 has accessibke porosity 23, and plug 24 is installed in the accessibke porosity, and positioning ball 4 is installed in outer steel bead groove 21 and the interior steel bead groove 11; Clamp ring 3 in one, interior clamp ring 3 outer walls are shaped on external screw thread 31, the end is shaped on location lug 32 and inwall is shaped on scalene cone 33, and external screw thread 31 matches with the internal thread 22 of external lock collar 2, and location lug 32 matches with the locating slot 12 of holder main body 1; One collet 5, collet 5 are shaped on open slot 51, tapering outer wall 53 and inclined-plane 52, location, and tapering outer wall 53 matches with the tapering inwall 13 of holder main body 1, and inclined-plane 52, location matches with the scalene cone 33 of interior clamp ring 3.The technical program comprises by holder main body 1, external lock collar 2, interior clamp ring 3, steel ball 4 and collet 5 totally five form, during assembling external lock collar 2 is enclosed within the outside of the bottom of holder main body 1, when interior, when outer steel bead groove reaches the relevant position, in steel ball 4 is put into by through hole 23, in the outer steel bead groove, after piling steel ball, through hole 23 usefulness plugs 24 are blocked, make steel ball 4 interior, after positioning between the outer steel bead groove, external lock collar 2 can not be transferred to, major part with collet 5 is pressed in the endoporus of interior clamp ring again, collet 5 relies on the open slot strain to enter in the interior clamp ring, match with the scalene cone 33 of interior clamp ring 3 by inclined-plane 52, location, can not deviate from, then the tapering outer wall 53 with collet 5 inserts in the tapering inwall 13 of holder main body 1, the external screw thread 31 of clamp ring 3 is connected with the internal thread 22 of external lock collar 2 in the rotation again, and location lug 32 is entered in the locating slot 12.When mounting cutter, cutter to be inserted in the collet 5, rotation external lock collar 3 is clamped cutter very easily, and easily, and this clamp mechanism is made up of the structure of positioner whirligig, long service life, the part damage can be changed at any time.Described holder main body 1 has 2 locating slots 12, and described interior clamp ring is shaped on 2 location lugs 32.2 location lugs cooperate the intensity height, spacing balance with 2 locating slots.Described internal thread 22 is a trapezoidal thread with external screw thread 31.Trapezoidal thread intensity is good, and coupling mechanism force is big, and is durable again.
Claims (3)
1. CNC milling machine handle of a knife clamp mechanism is characterized in that comprising:
One holder main body (1), the locking junction of holder main body (1) is shaped on interior steel bead groove (11), is shaped on locating slot (12) and tapering inwall (13) at the outer wall of head;
One external lock collar (2), be shaped on outer steel bead groove (21) and be connected internal thread (22) in outer tight retainer (2) endoporus, outer steel bead groove (21) has accessibke porosity (23), and plug (24) is installed in the accessibke porosity, outer steel bead groove (21) and the middle positioning ball (4) of installing of interior steel bead groove (11);
Clamp ring (3) in one, interior clamp ring (3) outer wall is shaped on external screw thread (31), the end is shaped on location lug (32) and inwall is shaped on scalene cone (33), external screw thread (31) matches with the internal thread (22) of external lock collar (2), and location lug (32) matches with the locating slot (12) of holder main body (1);
One collet (5), collet (5) is shaped on open slot (51), tapering outer wall (53) and inclined-plane (52), location, tapering outer wall (53) matches with the tapering inwall (13) of holder main body (1), and inclined-plane, location (52) matches with the scalene cone (33) of interior clamp ring (3).
2. CNC milling machine handle of a knife clamp mechanism according to claim 1 is characterized in that described holder main body (1) has 2 locating slots (12), described in clamp ring be shaped on 2 location lugs (32).
3. CNC milling machine handle of a knife clamp mechanism according to claim 1 is characterized in that described internal thread (22) and external screw thread (31) are trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206152128U CN201931146U (en) | 2010-11-19 | 2010-11-19 | Clamping mechanism for knife handle of numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206152128U CN201931146U (en) | 2010-11-19 | 2010-11-19 | Clamping mechanism for knife handle of numerical control milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201931146U true CN201931146U (en) | 2011-08-17 |
Family
ID=44442685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206152128U Expired - Fee Related CN201931146U (en) | 2010-11-19 | 2010-11-19 | Clamping mechanism for knife handle of numerical control milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201931146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439475A (en) * | 2013-09-19 | 2015-03-25 | 钴碳化钨硬质合金公司 | Cutting tool |
-
2010
- 2010-11-19 CN CN2010206152128U patent/CN201931146U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439475A (en) * | 2013-09-19 | 2015-03-25 | 钴碳化钨硬质合金公司 | Cutting tool |
| US9782841B2 (en) | 2013-09-19 | 2017-10-10 | Kennametal Inc. | Cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20121119 |