CN210254563U - But hole chip removal gear shaping anchor clamps expand - Google Patents
But hole chip removal gear shaping anchor clamps expand Download PDFInfo
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- CN210254563U CN210254563U CN201920860543.9U CN201920860543U CN210254563U CN 210254563 U CN210254563 U CN 210254563U CN 201920860543 U CN201920860543 U CN 201920860543U CN 210254563 U CN210254563 U CN 210254563U
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- mandrel
- chip removal
- pull rod
- screw
- sleeve
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Abstract
The utility model discloses a chip removal gear shaping clamp for an expansion inner hole, which comprises a positioning disc, an expansion sleeve, a mandrel and a pull rod; the positioning disc is fixedly arranged, and the top of the positioning disc is provided with a counter bore; the mandrel is arranged below the positioning disc, the middle of the mandrel protrudes out, the top of the protruding part is located at a countersunk hole of the positioning disc, the top of the protruding part is in a round table shape, a small opening end faces upwards, a chip removal pipe is arranged inside the mandrel, one end of the chip removal pipe is communicated with the top of the protruding part of the mandrel, the other end of the chip removal pipe is communicated to the outside of the mandrel, and the expansion sleeve is arranged between the mandrel and the positioning disc; the expansion sleeve is provided with a through hole to wrap the convex part of the mandrel, and the inner diameter of the top of the through hole is gradually reduced; the pull rod is arranged below the mandrel and connected with the expansion sleeve, and the expansion sleeve can be driven to move synchronously. Under the prerequisite of guaranteeing that anchor clamps are unchangeable still in result of use, can be smooth discharge iron fillings.
Description
Technical Field
The utility model belongs to the machining field relates to a but hole chip removal gear shaping anchor clamps rise.
Background
At present, the expansion sleeve type gear shaping clamp which is universal at home adopts the movement of a mandrel pull rod, the mandrel and the pull rod are integrally designed, the pull rod is pulled downwards, the mandrel enables the expansion sleeve to be expanded, the pull rod is pushed upwards, the mandrel enables the expansion sleeve to be loosened, the expansion sleeve is always fixed, and the pull rod is in a movable state, so that chips can not be removed, iron chips are easy to accumulate, the gear shaping is easy to insert and damage parts, and the service life of a cutter and the quality of a product are greatly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a hole that rises but chip removal gear shaping anchor clamps, under the prerequisite of guaranteeing that the anchor clamps still result of use is unchangeable, can be smooth with iron fillings discharge.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a chip removal gear shaping clamp for an expansion inner hole comprises a positioning disc, an expansion sleeve, a mandrel and a pull rod;
the top of the positioning plate is provided with a counter bore; the mandrel is fixedly connected with the positioning disc and arranged below the positioning disc, the middle of the mandrel protrudes, the top of the protruding part is located at a countersunk hole of the positioning disc, the top of the protruding part is in a round table shape, a small opening end faces upwards, a chip removal pipe is arranged inside the mandrel, one end of the chip removal pipe is communicated with the top of the protruding part of the mandrel, the other end of the chip removal pipe is communicated to the outside of the mandrel, and the expansion sleeve is arranged between the mandrel and the positioning disc;
the bottom of the expansion sleeve is provided with a gasket, the middle of the gasket extends to one side to form a sleeve, the gasket is arranged above the mandrel, the sleeve is nested on a convex part of the mandrel, and the inner diameter of the top of the sleeve is gradually reduced;
the pull rod is arranged below the mandrel and connected with the expansion sleeve, and the expansion sleeve can be driven to move synchronously.
Preferably, the pull rod is connected with the expansion sleeve through a third screw, the third screw penetrates through the mandrel, and the third screw and the mandrel are arranged in a clearance mode.
Preferably, the pull rod is connected with the expansion sleeve through a third screw, the third screw sequentially penetrates through the expansion sleeve and the mandrel, the tail end of the third screw is in threaded connection with the pull rod, the part of the mandrel penetrating through the expansion sleeve and the mandrel is a polished rod, a bushing is arranged at the part of the mandrel penetrated through by the third screw, and the length of the bushing is greater than the thickness of the part of the mandrel.
Preferably, the transition disc is arranged below the mandrel and connected with the positioning disc, the pull rod penetrates through the middle of the transition disc and then is connected with the expansion sleeve, and the pull rod is in sliding fit with the transition disc.
Further, the transition disc is connected with the positioning disc through a second screw, and the positioning disc is connected with the core shaft through a first screw.
Furthermore, an O-shaped ring is arranged between the transition disc and the pull rod.
Preferably, the inside vertical blind hole that is provided with of dabber protrusion position, the blind hole opening up, the side of blind hole bottom is connected with the pipeline, and the pipeline intercommunication dabber is outside.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a be connected the dabber with fixed positioning disk, guarantee the fixed setting of dabber, will rise the cover and be connected with the pull rod, drive through the pull rod and rise the cover and reciprocate to rise the cover and rise and loosen, guaranteeing under the fixed prerequisite of dabber like this, anchor clamps are still result of use unchangeable, thereby can be at the spindle pipeline of having seted up, communicate to the dabber outside from placing part position below, thereby can discharge iron fillings together through the cutting fluid.
Furthermore, the O-shaped ring can block small scrap iron, so that the smoothness of the matching surface is ensured, and impurities are prevented from entering the interior of the machine tool.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Wherein: 1-a pull rod; 2-O-shaped rings; 3-a transition disc; 4-a second screw; 5-cylindrical pin; 6-a lining; 7-expansion sleeve; 8-positioning plate; 9-a first screw; 10-a third screw; 11-a mandrel; 12-a part; 13-machine tool.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in FIG. 1, the clamp of the present invention comprises a positioning plate 8, an expansion sleeve 7, a mandrel 11, a pull rod 1 and a transition plate 3.
The top of the positioning disk 8 is provided with a counter bore, the diameter of the large opening end of the counter bore is the same as the outer diameter of the standard part, a workpiece is placed on the step surface of the counter bore during use, the positioning disk 8 is connected with the core shaft 11 through a first screw 9, and the positioning disk is connected with the transition disk 3 through a second screw 4.
The mandrel 11 is arranged below the positioning disc 8, the middle of the mandrel 11 protrudes, so that the overall section of the mandrel 11 is in a convex shape, the top of the protruding part is positioned at a countersunk hole of the positioning disc 8, the top of the protruding part is in a circular truncated cone shape, and the small end of the protruding part faces upwards; 11 protruding portions of dabber are inside to be provided with vertical blind hole, and the blind hole opening up for collect iron fillings and cutting fluid, the side of blind hole bottom is connected with the pipeline, and 11 outsides of pipeline intercommunication dabber, blind hole and pipeline are used for iron fillings discharge anchor clamps, and iron fillings can flow along with the cutting fluid, avoid iron fillings to pile up.
The expansion sleeve 7 is arranged between the mandrel 11 and the positioning disc 8, a gasket is arranged at the bottom of the expansion sleeve 7, a sleeve extends towards one side in the middle of the gasket, the gasket is arranged above the mandrel 11, the sleeve is nested on a convex part of the mandrel 11, the inner diameter of the top of the sleeve is gradually reduced, the two sides of the cross section are conical surfaces, the third screw 10 sequentially penetrates through the expansion sleeve 7 and the mandrel 11 and extends into the pull rod 1, a bushing 6 is arranged at a part of the mandrel 11, which is penetrated by the third screw 10, the length of the bushing 6 is larger than the thickness of the part of the mandrel 11, the exceeding length is the movable distance of the expansion sleeve 7, the part, which penetrates through the expansion sleeve 7 and the mandrel 11, of the third screw 10 is a polished rod, and the.
The pull rod 1 is arranged below the mandrel 11, the bottom of the pull rod 1 is connected with an oil cylinder of a machine tool 13, the oil cylinder drives the pull rod 1 to move in the vertical direction, after the transition disc 3 is penetrated through by the pull rod 1, the top of the pull rod is connected with the expansion sleeve 7 through a third screw 10, and the pull rod is further connected with the mandrel 11 through a cylindrical pin 5.
The anchor clamps use as follows:
the draw bar 1 is screwed into the cylinder of the machine tool 13, and the oil cylinder can pull and push the draw bar 1 downwards and upwards.
The pull rod 1 moves downwards, the expansion sleeve 7 is pulled to move downwards through the head of the third screw 10, the conical surface at the top of the expansion sleeve 7 moves downwards, the outer circle of the expansion sleeve 7 expands, and the part 12 is expanded.
The central part of the mandrel 11 is provided with a blind hole, the side surface of the mandrel is provided with a pipeline communicated with the blind hole to be used as a chip removal hole, and the scrap iron can flow out along with the cutting fluid, so that the accumulation of the scrap iron is avoided.
The pull rod 1 is pushed upwards to push the bush 6, the bush 6 pushes the expansion sleeve 7 to move upwards, the conical surface of the expansion sleeve 7 moves upwards, the excircle of the expansion sleeve 7 is reduced, the part 12 is loosened, and the part 12 is taken down.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
1. A chip removal gear shaping clamp for an expansion inner hole is characterized by comprising a positioning disc (8), an expansion sleeve (7), a mandrel (11) and a pull rod (1);
the top of the positioning plate (8) is provided with a counter bore; the mandrel (11) is fixedly connected with the positioning disc (8) and is arranged below the positioning disc (8), the middle of the mandrel (11) is protruded, the top of the protruded part is located at a countersunk hole of the positioning disc (8), the top of the protruded part is in a round table shape, a small opening end faces upwards, a chip removal pipe is arranged inside the mandrel (11), one end of the chip removal pipe is communicated with the top of the protruded part of the mandrel (11), the other end of the chip removal pipe is communicated to the outside of the mandrel (11), and the expansion sleeve (7) is arranged between the mandrel (11) and the positioning disc (8);
the bottom of the expansion sleeve (7) is provided with a gasket, a sleeve extends towards one side in the middle of the gasket, the gasket is arranged above the mandrel (11), the sleeve is nested on a convex part of the mandrel (11), and the inner diameter of the top of the sleeve is gradually reduced;
the pull rod (1) is arranged below the mandrel (11), and the pull rod (1) is connected with the expansion sleeve (7) and can drive the expansion sleeve (7) to move synchronously.
2. The internal expanding hole chip removal gear shaping clamp is characterized in that the pull rod (1) is connected with the expanding sleeve (7) through a third screw (10), the third screw (10) penetrates through the mandrel (11), and the third screw (10) is arranged in a clearance mode with the mandrel (11).
3. The internal expanding hole chip removal gear shaping clamp as claimed in claim 1, wherein the pull rod (1) is connected with the expanding sleeve (7) through a third screw (10), the third screw (10) sequentially penetrates through the expanding sleeve (7) and the mandrel (11), the tail end of the third screw is in threaded connection with the pull rod (1), the part of the third screw (10) penetrating through the expanding sleeve (7) and the mandrel (11) is a polished rod, a bushing (6) is arranged at the part of the mandrel (11) penetrated by the third screw (10), and the length of the bushing (6) is greater than the thickness of the part of the mandrel (11).
4. The chip removal gear shaping clamp for the expanding inner hole is characterized in that a transition disc (3) is arranged below a mandrel (11), the transition disc (3) is connected with a positioning disc (8), a pull rod (1) penetrates through the middle of the transition disc (3) and then is connected with an expanding sleeve (7), and the pull rod (1) is in sliding fit with the transition disc (3).
5. The internal hole expanding chip removal gear shaping clamp as claimed in claim 4, wherein the transition disc (3) is connected with the positioning disc (8) through the second screw (4), and the positioning disc (8) is connected with the mandrel (11) through the first screw (9).
6. The internal hole expanding chip removal gear shaping clamp as claimed in claim 4, wherein an O-shaped ring (2) is arranged between the transition disc (3) and the pull rod (1).
7. The inner hole expanding chip removal gear shaping clamp as claimed in claim 1, wherein a vertical blind hole is formed in the protruding portion of the mandrel (11), the opening of the blind hole faces upwards, a pipeline is connected to the side of the bottom of the blind hole, and the pipeline is communicated with the outside of the mandrel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860543.9U CN210254563U (en) | 2019-06-06 | 2019-06-06 | But hole chip removal gear shaping anchor clamps expand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920860543.9U CN210254563U (en) | 2019-06-06 | 2019-06-06 | But hole chip removal gear shaping anchor clamps expand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210254563U true CN210254563U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920860543.9U Active CN210254563U (en) | 2019-06-06 | 2019-06-06 | But hole chip removal gear shaping anchor clamps expand |
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| Country | Link |
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| CN (1) | CN210254563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609092A (en) * | 2022-12-02 | 2023-01-17 | 常州南鹏机械有限公司 | Part internal tooth processing frock |
-
2019
- 2019-06-06 CN CN201920860543.9U patent/CN210254563U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609092A (en) * | 2022-12-02 | 2023-01-17 | 常州南鹏机械有限公司 | Part internal tooth processing frock |
| CN115609092B (en) * | 2022-12-02 | 2023-03-17 | 常州南鹏机械有限公司 | Part internal tooth processing frock |
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