CN210498567U - Broach clamping structure of vertical internal broaching machine - Google Patents
Broach clamping structure of vertical internal broaching machine Download PDFInfo
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- CN210498567U CN210498567U CN201921266729.8U CN201921266729U CN210498567U CN 210498567 U CN210498567 U CN 210498567U CN 201921266729 U CN201921266729 U CN 201921266729U CN 210498567 U CN210498567 U CN 210498567U
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Abstract
The utility model relates to a vertical inner broaching machine broach clamping structure, which belongs to the technical field of broach clamping of inner broaching machines, and comprises an auxiliary puller and a broach frame, wherein the broach frame pushes a push rod to move upwards, a spring is compressed, a clamping rod rotates around a shaft rod, the lower end of the clamping rod extends into the interior of a second groove, a limiting ring is rotated, the lower end of the clamping rod enters the interior of the upper end of the limiting ring, the clamping rod is prevented from separating from the second groove, the broach frame moves downwards, a clamping block is clamped in a clamping groove, the upper surface of the threaded rod broach frame is contacted, the broach frame is prevented from moving upwards, the broach frame is clamped on the auxiliary puller, the mounting is convenient, when the broach needs to be dismounted, the clamping block is separated from the clamping groove, the spring extends, the clamping rod rotates around the shaft rod, the lower end of the clamping rod is separated from the second groove, the limit on the broach frame is removed, the broach frame is convenient to be dismounted, and the effect of dismounting is, the replacement efficiency is greatly improved, and the assembly time is reduced.
Description
Technical Field
The utility model relates to a broaching tool clamping structure of vertical internal broaching machine belongs to internal broaching machine broaching tool clamping technical field.
Background
The broaching machine is a machine tool for processing a through hole, a plane and a forming surface of a workpiece by using a broaching tool as a tool, the broaching machine needs to use the broaching tool in the using process, the broaching tool is a forming tool for broaching, the surface of the tool is provided with a plurality of rows of tool teeth, the size and the shape of each row of tool teeth are sequentially increased and changed from a cutting-in end to a cutting-out end, when the broaching tool does broaching motion, each tool tooth cuts a certain thickness of metal from the workpiece to finally obtain the required size and shape, the broaching tool is commonly used for processing round holes, spline holes, key grooves, planes and forming surfaces in batch and mass production, at present, an auxiliary puller of the vertical inner broaching machine is mainly clamped by a clamping block, when the broaching tool is replaced, a tool holder shaft sleeve lock is required to be connected with a tool holder on the broaching tool, when the tool holder is fixed by a locking nut, the broaching tool holder is inconvenient to replace, the assembly time is long, and the, the efficiency of tool changing work is reduced, the whole production process is influenced, and the production efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model overcomes current defect, provides a broach clamping structure of vertical internal broaching machine, can effectively solve the problem of changing the broach more troublesome and the assembly of being not convenient for among the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
a broach clamping structure of a vertical internal broaching machine comprises an auxiliary puller and a broach frame, wherein a first groove is formed in the lower end of the auxiliary puller, a fixed plate is fixedly mounted at the lower end of the first groove, through holes are formed in the middle and two sides of the fixed plate, shaft rods are fixedly mounted in the through holes in the two sides of the fixed plate, a clamping rod is rotatably mounted on the shaft rods, a clamping block is fixedly mounted on the upper surface of the lower end of the clamping rod, hinged elements are fixedly mounted at the upper ends of the clamping rods, a supporting rod is hinged to the hinged elements, the other end of the supporting rod is rotatably connected with a push rod, a spring is fixedly mounted on the upper surface of the lower end of the push rod, and the other end of the spring is fixedly;
the utility model discloses a push rod, including broach frame, draw knife rest's the equal fixed mounting in both sides of push rod, draw knife rest's apparent threaded connection has a spacing collar, the second recess has all been seted up to the upper end both sides of broach frame, the draw-in groove has been seted up to the upper surface intermediate position of second recess, the lower surface joint of fixed plate the equal fixed mounting in both sides of push rod has the sleeve.
Further, the clamping rod is of an L-shaped structure.
Furthermore, the clamping rod and the push rod penetrate through the through hole in the fixing plate and extend to the inside of the groove.
Further, the push rod is of a T-shaped structure.
Further, the length and the width of the clamping groove are both larger than those of the clamping block.
Further, the height and the width of the second groove are both larger than those of the lower end of the clamping rod.
Furthermore, the inner part of the lower end of the sleeve is provided with threads, the threads are in threaded connection with the threaded rod, and the lower end of the threaded rod is fixedly provided with a contact block.
The utility model discloses beneficial effect: the utility model is provided with the push rod and the clamping rod, so that the broach frame is conveniently clamped between the clamping rods, and the broach frame is convenient to install, thereby reducing the assembling time and accelerating the replacement efficiency; the utility model is provided with the spacing ring, so that the utility model is convenient to use after clamping the broach frame, and ensures that the broach frame can not be separated in the use process, thereby improving the production efficiency; the utility model is provided with the sleeve and the threaded rod, so that the tool holder is prevented from moving upwards in the use process, and the processing precision is increased; the utility model relates to a rationally, compact structure, convenient to use, greatly reduced material cost.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a front sectional view of the present invention in an unclamped state.
Fig. 2 is a front view of the present invention in an unclamped state.
Fig. 3 is a front sectional view of the clamping state of the present invention.
Fig. 4 is a front view of the clamping state of the present invention.
Reference numbers in the figures: 1. an auxiliary slider; 2. drawing a tool rest; 3. a first groove; 4. a fixing plate; 5. a through hole; 6. A shaft lever; 7. a clamping rod; 8. a clamping block; 9. an articulation member; 10. a support bar; 11. a push rod; 12. a spring; 13. A limiting ring; 14. a second groove; 15. a card slot; 16. a sleeve; 17. a threaded rod; .
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-4, a broach clamping structure of a vertical inner broaching machine comprises an auxiliary puller 1, a first groove 3 is formed at the lower end of the auxiliary puller 1 of a broach holder 2, a fixing plate 4 is fixedly installed at the lower end of the first groove 3, through holes 5 are formed in the middle and two sides of the fixing plate 4, shaft rods 6 are fixedly installed in the through holes 5 at two sides of the fixing plate 4, so that a clamping rod 7 can rotate 6 around a shaft rod conveniently, a clamping rod 7 is rotatably installed on the shaft rods 6, the clamping rod 7 is of an L-shaped structure, the clamping rod 7 and a push rod 11 both penetrate through the through holes 5 on the fixing plate 4 and extend into the groove 3, a clamping block 8 is fixedly installed on the upper surface of the lower end of the clamping rod 7, hinged parts 9 are fixedly installed on the upper end of the clamping rod 7, a support rod 10 is hinged on the hinged parts 9, the other end of the support rod 10 is rotatably connected with the, the other end of the spring 12 is fixedly arranged on the lower surface of the fixed plate 4;
the external threaded connection of broach frame 2 has spacing collar 13, second recess 14 has all been seted up to the upper end both sides of broach frame 2, the height and the width of second recess 14 all are greater than the height and the width of kelly 7 lower extreme, make things convenient for the inside at second recess 14 of kelly 7 joint, draw-in groove 15 has been seted up to the upper surface intermediate position of second recess 14, the length and the width of draw-in groove 15 all are greater than fixture block 8's length and width, make things convenient for the inside at draw-in groove 15 of fixture block 8 joint, the equal fixed mounting in both sides of the lower surface joint push rod 11 of fixed plate 4 has sleeve pipe 16, the equal threaded connection of lower extreme of telling sleeve pipe 16 has threaded rod 17, the inside of sleeve pipe 16 lower extreme is equipped with the screw thread, and screw thread and threaded rod.
The utility model discloses the theory of operation: when the utility model is used, the threaded rod 17 is screwed into the sleeve 16, the broach frame 2 is positioned under the push rod 11, the broach frame 2 pushes the push rod 11 upwards, the push rod 11 moves upwards along the through hole 5, one end of the push rod 11 extends into the first groove 3, thereby the spring 12 is compressed, the support rod 10 rotates above the push rod 11, the upper ends of the support rods 10 at the two ends move in the direction of the clamping rod 7, the other end of the support rod 10 is connected with the clamping rod 7 through the articulated piece 9, when the push rod 11 moves upwards, the other end of the support rod 10 rotates around the articulated piece 9, thereby the upper end of the clamping rod 7 is pushed to move towards the inner wall of the first groove 3, the clamping rod 7 rotates around the shaft rod 6, the lower ends of the clamping rods 7 at the two sides all move towards the broach frame 2, when the broach frame 2 continues to push the push rod 11 to move upwards, the lower end of the clamping rod 7 extends into the second groove 14, when the lower end of the clamping rod 7 extends into the second groove 14, the limiting ring 13 is rotated to enable the limiting ring 13 to move upwards in a spiral manner, so that the lower end of the clamping rod 7 enters the inner part of the upper end of the limiting ring 13, the clamping rod 7 is prevented from being separated from the second groove 14, when the central position of the limiting ring 13 extends upwards in a spiral manner to the bottom of the second groove 14, the broaching tool holder 2 is moved downwards, the clamping block 8 on the upper surface of the lower end of the clamping rod 7 is clamped in the clamping groove 15, the threaded rod 17 is rotated to enable the threaded rod 17 to extend out of the sleeve 16, the lower surface of the threaded rod 17 is contacted with the upper surface of the broaching tool holder 2, the broaching tool holder 2 is prevented from moving upwards in the machining process, the machining precision is increased, the broaching tool holder 2 is clamped on the auxiliary puller 1, the installation is convenient, and the clamping;
when needing to dismantle, screw threaded rod 17 to the inside of sleeve pipe 16, with spacing collar 13 spiral downstream, make spacing collar 13 resume to initial condition, remove the restriction to kelly 7, with broach frame 2 rebound, thereby make the fixture block 8 of kelly 7 lower extreme break away from draw-in groove 15, spring 12 stretches, make push rod 11 rebound, and then make bracing piece 10 rotatory in the upper end of push rod 11, make the bracing piece 10 of both sides to middle removal, make the one end pulling kelly 7 of bracing piece 10 remove to push rod 11 direction, make the pivoting lever 6 of kelly 7 rotatory, thereby make the lower extreme of kelly 7 break away from second recess 14, remove the restriction to broach frame 2, conveniently take off broach frame 2, thereby realize the effect of convenient dismantlement, the replacement efficiency has greatly improved, the assemble duration is reduced.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a broaching machine broach clamping structure in vertical, includes supplementary pull head (1), broach frame (2), its characterized in that: a first groove (3) is arranged at the lower end of the auxiliary pull head (1), a fixing plate (4) is fixedly arranged at the lower end of the first groove (3), through holes (5) are respectively arranged in the middle and two sides of the fixing plate (4), shaft levers (6) are respectively and fixedly arranged in the through holes (5) on the two sides of the fixing plate (4), a clamping rod (7) is rotatably arranged on the shaft lever (6), a clamping block (8) is fixedly arranged on the upper surface of the lower end of the clamping rod (7), the upper ends of the clamping rods (7) are fixedly provided with hinged pieces (9), the hinged pieces (9) are hinged with supporting rods (10), the other end of the supporting rod (10) is rotatably connected with a push rod (11), the upper surface of the lower end of the push rod (11) is fixedly provided with a spring (12), the other end of the spring (12) is fixedly arranged on the lower surface of the fixing plate (4);
the utility model discloses a push rod, including broach frame (2), draw knife rest (2), the apparent threaded connection of going up of broach frame (2) has spacing collar (13), second recess (14) have all been seted up to the upper end both sides of broach frame (2), draw-in groove (15) have been seted up to the upper surface intermediate position of second recess (14), the lower surface joint of fixed plate (4) the equal fixed mounting in both sides of push rod (11) has sleeve pipe (16), tells the equal threaded connection of lower extreme of sleeve pipe (16) has threaded rod (17).
2. The broaching tool holding structure of vertical internal broaching machine according to claim 1, wherein: the clamping rod (7) is of an L-shaped structure.
3. The broaching tool holding structure of vertical internal broaching machine according to claim 1, wherein: the clamping rod (7) and the push rod (11) penetrate through the through hole (5) in the fixing plate (4) and extend to the inside of the groove (3).
4. The broaching tool holding structure of vertical internal broaching machine according to claim 1, wherein: the push rod (11) is of a T-shaped structure.
5. The broaching tool holding structure of vertical internal broaching machine according to claim 1, wherein: the length and the width of the clamping groove (15) are both larger than those of the clamping block (8).
6. The broaching tool holding structure of vertical internal broaching machine according to claim 1, wherein: the height and the width of the second groove (14) are both larger than those of the lower end of the clamping rod (7).
7. The broaching tool holding structure of vertical internal broaching machine according to claim 1, wherein: the inside of sleeve pipe (16) lower extreme is equipped with the screw thread, just the screw thread with threaded rod (17) looks threaded connection, the equal fixed mounting of lower extreme of threaded rod (17) has the contact piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266729.8U CN210498567U (en) | 2019-08-07 | 2019-08-07 | Broach clamping structure of vertical internal broaching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266729.8U CN210498567U (en) | 2019-08-07 | 2019-08-07 | Broach clamping structure of vertical internal broaching machine |
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| Publication Number | Publication Date |
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| CN210498567U true CN210498567U (en) | 2020-05-12 |
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| CN201921266729.8U Active CN210498567U (en) | 2019-08-07 | 2019-08-07 | Broach clamping structure of vertical internal broaching machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621878A (en) * | 2020-12-25 | 2021-04-09 | 苏州恒吴汽车零部件科技有限公司 | Ultrasonic cutting machine of automobile parts production usefulness |
| CN115273688A (en) * | 2022-09-14 | 2022-11-01 | 利亚德电视技术有限公司 | LED display unit and LED display device with same |
| CN116076381A (en) * | 2023-04-10 | 2023-05-09 | 四川省畜牧科学研究院 | A regulation formula feed equipment for rabbit is bred |
-
2019
- 2019-08-07 CN CN201921266729.8U patent/CN210498567U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621878A (en) * | 2020-12-25 | 2021-04-09 | 苏州恒吴汽车零部件科技有限公司 | Ultrasonic cutting machine of automobile parts production usefulness |
| CN115273688A (en) * | 2022-09-14 | 2022-11-01 | 利亚德电视技术有限公司 | LED display unit and LED display device with same |
| CN115273688B (en) * | 2022-09-14 | 2024-03-19 | 利亚德电视技术有限公司 | LED display unit and LED display device with same |
| CN116076381A (en) * | 2023-04-10 | 2023-05-09 | 四川省畜牧科学研究院 | A regulation formula feed equipment for rabbit is bred |
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