CN109434186B - Broach bed location frock - Google Patents
Broach bed location frock Download PDFInfo
- Publication number
- CN109434186B CN109434186B CN201811405040.9A CN201811405040A CN109434186B CN 109434186 B CN109434186 B CN 109434186B CN 201811405040 A CN201811405040 A CN 201811405040A CN 109434186 B CN109434186 B CN 109434186B
- Authority
- CN
- China
- Prior art keywords
- broach
- groove
- locking part
- locking
- mandrel
- 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
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D37/00—Broaching machines or broaching devices
- B23D37/22—Broaching machines or broaching devices for special purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a broach bed positioning tool which comprises a base (1), wherein a mandrel is arranged on the base (1), the mandrel is divided into a supporting part (2) positioned at the lower section and a locking part (3) positioned at the upper section, a spring (4) is sleeved outside the supporting part (2), a broach fixing groove (5) is formed in the middle of the top end of the locking part (3), a pair of through grooves are dug on the side face of the locking part and correspond to the middle of the broach fixing groove (5), a pair of holding blocks (6) capable of pushing in to lock a broach are arranged in the through grooves, an outer sleeve (7) capable of being matched with the holding blocks is further arranged outside the locking part (3), and a groove (8) capable of accommodating the holding blocks to pop out to loosen the broach is formed in the inner side of the locking part (7). The invention has smart and simple structure, can realize quick replacement and locking of the broach, has good reliability and high working efficiency, and is worth popularizing.
Description
Technical Field
The invention belongs to the field of machinery, and particularly relates to a broaching machine positioning tool.
Background
The gear is used as a basic component of mechanical equipment, so that the production demand is huge, and the competitiveness is definitely improved greatly if the production efficiency can be improved. When producing the spline in the middle of the gear, the broach is required to be produced, and in the existing production method, the broach is usually required to be positioned manually, and the broach is required to be manually operated after being stopped when being installed, disassembled or replaced, so that time and labor are wasted, and people hope to find a convenient and feasible method.
Disclosure of Invention
The invention aims to solve the technical problem of providing a broaching machine positioning tool which is convenient to install and use and high in safety.
The invention is realized by the following technical scheme:
The utility model provides a broach bed location frock, includes base 1, be equipped with the dabber on the base 1, the dabber divide into the supporting part 2 that is located the hypomere and the locking portion 3 that is located the upper segment, the outside cover of supporting part 2 is equipped with spring 4, a broach fixed slot 5 has been seted up at the middle part in locking portion 3 top, on the side of locking portion, corresponding to broach fixed slot 5 middle part, dig a pair of logical groove, and be provided with a pair of holding block 6 that can push locking broach in logical inslot, the outside of locking portion 3 still is provided with one can with it complex outer sleeve 7, the inboard of outer sleeve 7 is equipped with can hold holding block and pop out in order to loosen the recess 8 of broach, outer sleeve 7 is equipped with one on the internal surface of lower extreme with spring 4 complex stop position step 11. The edge of the enclasping block 6 is provided with a chamfer structure, the groove edge of the groove 8 is provided with an oblique angle structure, so that the width of the groove bottom is smaller than the width of the notch, and the enclasping block 6 is provided with a chamfer structure corresponding to the oblique angle.
Preferably, a step is provided in the broach fixing groove 5 at the middle part of the top end of the locking part 3 to define the position of the holding block 6, and a broach insertion positioning hole is provided at the middle part of the broach positioning sleeve.
Preferably, a cover plate 10 is further provided above the top end of the locking portion 3.
Preferably, the base 1 and the mandrel are integrally formed, and are flanges.
Working principle:
When the broaching tool is required to work, the broaching tool is clamped on a broaching machine, the base 1 is arranged below, the outer sleeve 7 is arranged above the outer sleeve 7, a working table surface for fixing a gear workpiece is arranged above the outer sleeve 7, the broaching tool vertically penetrates through the working table surface to realize the work of a broaching key, and the base 1 is driven by a machine tool to move up and down. At this time, a machine tool starting key is pressed down, the machine tool moves upwards for a certain distance, so that the spring 4 is compressed, the outer sleeve 7 moves downwards, the enclasping block 6 is sprung out in space and is sprung into a groove 8 on the inner side of the outer sleeve 7, then a broach is placed in a broach positioning groove 5 of the mandrel, then the machine tool moves downwards for a certain distance to loosen the spring 4, so that the outer sleeve 7 is pushed upwards by the restoring force of the spring 4, at this time, the relative movement of the outer sleeve 7 and the mandrel can enable the enclasping block 6 to be forced to slide out of the groove 8 downwards along the oblique angle of the groove edge, and the enclasping block 6 can be completely compressed, so that the broach is locked; then, the machine tool drives the whole tool to move downwards, the broach moves downwards, the spline pulling operation is carried out, after the spline pulling operation is finished, the machine tool moves upwards, until the outer sleeve 7 touches the working table surface and is prevented from advancing, the mandrel continues to move upwards under the action of inertia force, the spring 4 is compressed, the holding block 6 moves to the groove 8 position of the outer sleeve 7 along the groove edge oblique angle and bounces off again, namely, the broach can be loosened, and at the moment, the broach can be separated and taken out for replacement.
The next time the broach is changed, the process is repeated.
The beneficial effects of the invention are as follows:
The invention has smart and simple structure, can realize quick replacement and locking of the broach, has good reliability and high working efficiency, and is worth popularizing.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a pair of clasping blocks in FIG. 1;
FIG. 3 is a schematic view of the outer sleeve of FIG. 1;
FIG. 4 is a schematic view of the base and mandrel structure of FIG. 1;
fig. 5 is a view in the direction B-B of fig. 4.
Detailed Description
As shown in fig. 1-5, a broach positioning tool comprises a base 1, wherein a mandrel is arranged on the base 1, the mandrel is divided into a supporting part 2 positioned at the lower section and a locking part 3 positioned at the upper section, a spring 4 is sleeved on the outer side of the supporting part 2, a broach fixing groove 5 is formed in the middle of the top end of the locking part 3, a pair of through grooves are formed in the side surface of the locking part in a digging manner corresponding to the middle of the broach fixing groove 5, a pair of holding blocks 6 capable of pushing in to lock a broach are arranged in the through grooves, an outer sleeve 7 capable of being matched with the locking part is further arranged on the outer side of the locking part 3, a groove 8 capable of accommodating the holding blocks to pop up to release the broach is formed in the inner side of the outer sleeve 7, and a stop step 11 matched with the spring 4 is formed in the inner surface of the lower end of the outer sleeve 7. The edge of the enclasping block 6 is provided with a chamfer structure, the groove edge of the groove 8 is provided with an oblique angle structure, so that the width of the groove bottom is smaller than the width of the notch, and the enclasping block 6 is provided with a chamfer structure corresponding to the oblique angle.
Preferably, a step is provided in the broach fixing groove 5 at the middle part of the top end of the locking part 3 to define the position of the holding block 6, and a broach insertion positioning hole is provided at the middle part of the broach positioning sleeve.
Preferably, a cover plate 10 is further provided above the top end of the locking portion 3.
Preferably, the base 1 and the mandrel are integrally formed, and are flanges.
Working principle:
When the broaching tool is required to work, the broaching tool is clamped on a broaching machine, the base 1 is arranged below, the outer sleeve 7 is arranged above the outer sleeve 7, a working table surface for fixing a gear workpiece is arranged above the outer sleeve 7, the broaching tool vertically penetrates through the working table surface to realize the work of a broaching key, and the base 1 is driven by a machine tool to move up and down. At this time, a machine tool starting key is pressed down, the machine tool moves upwards for a certain distance, so that the spring 4 is compressed, the outer sleeve 7 moves downwards, the enclasping block 6 is sprung out in space and is sprung into a groove 8 on the inner side of the outer sleeve 7, then a broach is placed in a broach positioning groove 5 of the mandrel, then the machine tool moves downwards for a certain distance to loosen the spring 4, so that the outer sleeve 7 is pushed upwards by the restoring force of the spring 4, at this time, the relative movement of the outer sleeve 7 and the mandrel can enable the enclasping block 6 to be forced to slide out of the groove 8 downwards along the oblique angle of the groove edge, and the enclasping block 6 can be completely compressed, so that the broach is locked; then, the machine tool drives the whole tool to move downwards, the broach moves downwards, the spline pulling operation is carried out, after the spline pulling operation is finished, the machine tool moves upwards, until the outer sleeve 7 touches the working table surface and is prevented from advancing, the mandrel continues to move upwards under the action of inertia force, the spring 4 is compressed, the holding block 6 moves to the groove 8 position of the outer sleeve 7 along the groove edge oblique angle and bounces off again, namely, the broach can be loosened, and at the moment, the broach can be separated and taken out for replacement.
The next time the broach is changed, the process is repeated.
The invention has smart and simple structure, can realize quick replacement and locking of the broach, has good reliability and high working efficiency, and is worth popularizing.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The broach bed positioning tool is characterized by comprising a base (1), wherein a mandrel is arranged on the base (1), the mandrel is divided into a supporting part (2) positioned at the lower section and a locking part (3) positioned at the upper section, a spring (4) is sleeved outside the supporting part (2), a broach fixing groove (5) is formed in the middle of the top end of the locking part (3), a pair of through grooves are dug in the side face of the locking part and correspond to the middle of the broach fixing groove (5), a pair of holding blocks (6) capable of pushing in to lock the broach are arranged in the through grooves, an outer sleeve (7) capable of being matched with the holding blocks is further arranged outside the locking part (3), a groove (8) capable of accommodating the holding blocks to pop out to release the broach is formed in the inner side of the locking part, a stop step (11) matched with the spring (4) is formed in the inner surface of the lower end of the outer sleeve (7), a chamfer structure is formed in the edge of the locking block (6), and the groove (8) is provided with a chamfer angle structure, and the width of the groove (8) is smaller than the chamfer angle structure in the chamfer structure is formed in the groove bottom of the groove; in broach fixed slot (5) in locking portion (3) top middle part is equipped with a broach locating sleeve (9) through setting up a step to inject the position of holding tight piece (6), the middle part of broach locating sleeve (9) is equipped with broach and inserts the locating hole.
2. Broaching machine positioning tool according to claim 1, characterized in that a cover plate (10) is further provided above the top end of the locking part (3).
3. Broaching machine positioning tool according to claim 1, characterized in that the base (1) and the mandrel are integrally formed as a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405040.9A CN109434186B (en) | 2018-11-23 | 2018-11-23 | Broach bed location frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405040.9A CN109434186B (en) | 2018-11-23 | 2018-11-23 | Broach bed location frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434186A CN109434186A (en) | 2019-03-08 |
| CN109434186B true CN109434186B (en) | 2024-05-03 |
Family
ID=65553628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811405040.9A Active CN109434186B (en) | 2018-11-23 | 2018-11-23 | Broach bed location frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434186B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203459935U (en) * | 2013-09-16 | 2014-03-05 | 许昌远东传动轴股份有限公司 | Novel broaching tool positioning clamp of slide fork spline broaching tool |
| CN205166409U (en) * | 2015-09-29 | 2016-04-20 | 宝鸡法士特齿轮有限责任公司 | Pulling chuck |
| CN209125021U (en) * | 2018-11-23 | 2019-07-19 | 江阴全华丰精锻有限公司 | A kind of broaching tool bed positioning tool |
-
2018
- 2018-11-23 CN CN201811405040.9A patent/CN109434186B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203459935U (en) * | 2013-09-16 | 2014-03-05 | 许昌远东传动轴股份有限公司 | Novel broaching tool positioning clamp of slide fork spline broaching tool |
| CN205166409U (en) * | 2015-09-29 | 2016-04-20 | 宝鸡法士特齿轮有限责任公司 | Pulling chuck |
| CN209125021U (en) * | 2018-11-23 | 2019-07-19 | 江阴全华丰精锻有限公司 | A kind of broaching tool bed positioning tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109434186A (en) | 2019-03-08 |
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