CN109352379B - Drilling fixture - Google Patents
Drilling fixture Download PDFInfo
- Publication number
- CN109352379B CN109352379B CN201811564096.9A CN201811564096A CN109352379B CN 109352379 B CN109352379 B CN 109352379B CN 201811564096 A CN201811564096 A CN 201811564096A CN 109352379 B CN109352379 B CN 109352379B
- Authority
- CN
- China
- Prior art keywords
- plate
- positioning
- pressing plate
- drilling
- shaped link
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
Abstract
The invention discloses a drilling fixture, which is used for clamping and positioning in drilling of an L-shaped link plate, and comprises a first positioning plate which is horizontally arranged, wherein a second positioning plate which is vertically intersected is arranged at the edge of the first positioning plate, a rotating pin and a support which are horizontally arranged at intervals are arranged on the first positioning plate, the rotating pin and the support are both vertical to the first positioning plate, a first pressing plate is arranged above the rotating pin and the support, the right end of the first pressing plate is hinged with the support, the left end of the first pressing plate is detachably connected with the rotating pin through a first locking nut, and a guide sleeve which is vertical to the first positioning plate is arranged on the first pressing plate; the second locating plate is provided with a traction rod perpendicular to the second locating plate, a second pressing plate capable of moving up and down along the traction rod is inserted above the traction rod, the second pressing plate can incline in the front-back direction, a second locking nut is arranged above the second pressing plate, and the second locking nut is sleeved on the top end of the traction rod. The invention can effectively realize clamping and positioning in drilling of the L-shaped link plate.
Description
Technical Field
The invention relates to the field of fixture tools, in particular to a drilling fixture.
Background
The forklift is an industrial carrying vehicle, and can conveniently carry out loading, unloading and carrying operations of pallet cargos in cabins, carriages and containers, and is an indispensable device in pallet transportation and container transportation, so that the forklift is widely applied to ports, stations, airports, goods yards, factory workshops, warehouses, circulation centers and distribution centers. The forklift mast is a main bearing structure of the forklift object taking mechanism, so that the manufacture of the forklift mast is particularly important.
Fork truck masts generally include inner masts, outer masts, forks, sprockets, chains, lifting and tilting cylinders, and the like. For the convenience of chain installation, a special L-shaped hanging chain plate is generally arranged on a forklift portal, the structure of the L-shaped hanging chain plate is shown in fig. 1, a portal lifting chain is assembled, a mounting hole 2 is formed in a short plate 1 of the L-shaped hanging chain plate, and the long plate 3 of the L-shaped hanging chain plate is generally an inclined plane in order to increase the high load bearing capacity of a long plate 3 of the L-shaped hanging chain plate. In the prior art, because the structure of the L-shaped link plate is special, the long plate 3 is provided with a certain inclination, and the shape is extremely irregular, the drilling of the L-shaped link plate short plate 1 can only adopt the most common rocker arm drill for drilling, then a stop block or a pressing strip is adopted for pressing the part, and the part cannot be clamped by adopting the existing clamp, so that the drill bit is easy to deviate during drilling, the finally drilled hole is not perpendicular to the drilling surface, and the serious person even causes scrapping of the part.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the drilling fixture, which can conveniently realize clamping and positioning in the drilling process of the L-shaped link plate through the structural design of the drilling fixture, and can effectively ensure the drilling quality.
The drilling fixture for clamping and positioning in the drilling of the L-shaped link plate comprises a first positioning plate which is horizontally arranged and used for supporting and positioning the L-shaped link plate short plate, a second positioning plate which is vertically intersected is arranged at the edge of the first positioning plate and used for supporting and positioning the L-shaped link plate long plate,
the first locating plate is provided with a rotary pin and a support which are arranged at intervals left and right, the rotary pin and the support are perpendicular to the first locating plate, a first pressing plate is arranged above the rotary pin and the support, the right end of the first pressing plate is hinged with the support, the left end of the first pressing plate is detachably connected with the rotating pin through a first lock nut, the first pressing plate is used for compressing and limiting the L-shaped link plate short plate, a guide sleeve perpendicular to the first positioning plate is arranged on the first pressing plate, and the guide sleeve is used for the passing of an external drill rod;
the traction rod is arranged on the second positioning plate and perpendicular to the second positioning plate, a second pressing plate capable of moving up and down along the traction rod is inserted above the traction rod, the second pressing plate can incline in the front-back direction, the second pressing plate is used for pressing and limiting the long plate of the L-shaped link plate, and a second lock nut is arranged above the second pressing plate and sleeved on the top end of the traction rod.
Preferably, the second positioning plate is provided with a positioning pin.
Preferably, the positioning pins are provided with at least 2.
Preferably, at least 2 guide sleeves are arranged on the first positioning plate.
The beneficial effects of the invention are as follows: when the drilling fixture provided by the invention is specifically implemented, the L-shaped link plate short plate is pressed on the first positioning plate through the cooperation of the first pressing plate and the first locking nut, then the L-shaped link plate long plate is pressed on the second positioning plate through the cooperation of the second pressing plate and the second locking nut, and finally the drill bit of the drill rod penetrates through the guide sleeve to drill the L-shaped link plate short plate, so that a mounting hole meeting the requirements can be drilled on the L-shaped link plate short plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of an L-shaped link plate;
FIG. 2 is a schematic diagram of the overall structure of a drilling jig according to an embodiment of the present invention;
FIG. 3 is a front view of a boring grab according to an embodiment of the present invention;
fig. 4 is a left side view of a drilling jig according to an embodiment of the present invention.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "horizontal", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 2 to 4, fig. 2 to 4 provide an embodiment of a drilling jig, wherein fig. 2 is a schematic diagram of an overall structure of the drilling jig according to the embodiment of the invention; FIG. 3 is a front view of a boring grab according to an embodiment of the present invention; fig. 4 is a left side view of a drilling jig according to an embodiment of the present invention.
As shown in fig. 2 to 4, the drilling fixture provided in this embodiment can conveniently and stably implement clamping and positioning of the L-shaped link plate, and can effectively improve drilling accuracy.
The drilling fixture provided by the scheme can be used for clamping and positioning in drilling of the L-shaped link plate, and can be used for clamping and positioning in drilling of a workpiece similar to the L-shaped link plate.
The drilling fixture provided by the proposal comprises a first locating plate 4, a second locating plate 5, a rotary pin 6, a support 7, a first pressing plate 8, a first lock nut 9, a guide sleeve 10, a traction rod 11, a second pressing plate 12,
a second lock nut 13, a locating pin 14.
This boring grab that this scheme provided is including being the first locating plate 4 that the level was arranged, first locating plate 4 is used for the support location of L shape link plate short slab 1, first locating plate 4 edge is provided with the perpendicular crossing second locating plate 5, second locating plate 5 is used for the support location of L shape link plate long slab 3.
In this scheme, be provided with on the first locating plate 5 about looks interval arrangement's round pin 6 and support 7, round pin 6 with support 7 all perpendicular to first locating plate 5, round pin 6 with support 7 top is provided with first clamp plate 8, first clamp plate 8 right-hand member with support 7 articulates mutually, first clamp plate 8 left end through first lock nut 9 with round pin 6 detachable connection, first clamp plate 8 is used for L shape link plate short slab 1 compress tightly spacingly, be provided with on the first clamp plate 8 with guide sleeve 10 that is perpendicular to first locating plate 5, guide sleeve 10 is used for the drilling rod peripheral hardware's the walk.
The guide sleeve 10 is used for guiding the drill rod to pass through, so that the drill rod cannot deflect in the feeding process. For further improving drilling efficiency, the guide sleeve 10 can set up a plurality ofly simultaneously in this scheme, then is provided with 2 simultaneously in this embodiment figure, so, this boring grab can carry out drilling operation by 2L shape link plates of clamping simultaneously.
Specifically, when the first lock nut 9 and the rotary pin 6 are loosened, the first pressing plate 8 can be turned clockwise by taking the support 7 as a fulcrum, when the first pressing plate is turned to a certain extent, the L-shaped link plate short plate 1 to be drilled can be placed between the rotary pin 6 and the support 7, at the moment, the first pressing plate 8 is turned anticlockwise by taking the support 7 as a fulcrum, the first pressing plate 8 covers the L-shaped link plate short plate 1, and then the first lock nut 9 is screwed on the rotary pin 6, so that the first pressing plate 8 can compress the L-shaped link plate short plate 1 on the first positioning plate 5.
In this scheme, be provided with on the second locating plate 5 with second locating plate 5 looks vertically traction lever 11, traction lever 11 top is inserted and is equipped with can follow traction lever 11 reciprocates's second clamp plate 12 just second clamp plate 12 can the fore-and-aft direction slope, second clamp plate 12 is used for L shape link plate long plate 3 compress tightly spacingly, second clamp plate 12 top is provided with second lock nut 13 just second lock nut 13 cover is established traction lever 11 top.
Specifically, when the L-shaped link plate long plate 3 is placed between the second positioning plate 5 and the second pressing plate 12, since the second pressing plate 12 can move up and down and can tilt in the front-rear direction at the traction rod 11, when the second lock nut 13 is screwed down, the distance between the second pressing plate 12 and the second positioning plate 5 is gradually reduced, and at the same time, the second pressing plate 12 automatically deflects a certain angle when being pressed, the second pressing plate 12 gradually tilts until the lower surface thereof is attached to the upper surface of the L-shaped link plate long plate 3, and when the second lock nut 13 is screwed down to a prescribed degree, the second pressing plate 12 can firmly press the L-shaped link plate long plate 3 on the second pressing plate 12.
To further enhance the positioning of the long L-shaped link plate 3, the second positioning plate 12 is provided with a positioning pin 14. In the present embodiment, the positioning pins 14 are provided in 2 numbers and the positioning pins 14 are arranged at the center line of the second positioning plate 12, so that the positioning pins 14 divide the second positioning plate 12 into two compression areas which are symmetrical in left-right direction. Meanwhile, 2 guide sleeves 10 for the peripheral drill rod to pass through are also arranged on the first positioning plate 5, so that the scheme can simultaneously realize the drilling of the two L-shaped link plates and further improve the drilling efficiency.
In the concrete use process, the L-shaped link plate short plate 1 is pressed on the first positioning plate 4 by the cooperation of the first pressing plate 8 and the first locking nut 9, then the L-shaped link plate long plate 3 is pressed on the second positioning plate 5 by the cooperation of the second pressing plate 12 and the second locking nut 13, and finally a drill bit of a drill rod passes through the guide sleeve 10 to drill to the L-shaped link plate short plate 1, so that the L-shaped link plate short plate 1 can be drilled to obtain the mounting hole 2 meeting the requirements. The drilling fixture provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (4)
1. The drilling fixture is used for clamping and positioning in the drilling of the L-shaped link plate and is characterized by comprising a first positioning plate which is horizontally arranged and used for supporting and positioning the L-shaped link plate short plate, a second positioning plate which is vertically intersected is arranged at the edge of the first positioning plate and used for supporting and positioning the L-shaped link plate long plate,
the first locating plate is provided with a rotary pin and a support which are arranged at intervals left and right, the rotary pin and the support are perpendicular to the first locating plate, a first pressing plate is arranged above the rotary pin and the support, the right end of the first pressing plate is hinged with the support, the left end of the first pressing plate is detachably connected with the rotating pin through a first lock nut, the first pressing plate is used for compressing and limiting the L-shaped link plate short plate, a guide sleeve perpendicular to the first positioning plate is arranged on the first pressing plate, and the guide sleeve is used for the passing of an external drill rod;
the traction rod is arranged on the second positioning plate and perpendicular to the second positioning plate, a second pressing plate capable of moving up and down along the traction rod is inserted above the traction rod, the second pressing plate can incline in the front-back direction, the second pressing plate is used for pressing and limiting the long plate of the L-shaped link plate, and a second lock nut is arranged above the second pressing plate and sleeved on the top end of the traction rod.
2. The drilling jig of claim 1, wherein the second locating plate is provided with locating pins thereon.
3. Drilling jig according to claim 2, wherein the locating pins are provided with at least 2.
4. The drilling jig of claim 1, wherein the first locating plate is provided with at least 2 guide sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564096.9A CN109352379B (en) | 2018-12-20 | 2018-12-20 | Drilling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564096.9A CN109352379B (en) | 2018-12-20 | 2018-12-20 | Drilling fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352379A CN109352379A (en) | 2019-02-19 |
| CN109352379B true CN109352379B (en) | 2024-01-26 |
Family
ID=65329255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564096.9A Active CN109352379B (en) | 2018-12-20 | 2018-12-20 | Drilling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109352379B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011656A1 (en) * | 1978-12-01 | 1980-06-11 | Garfield Wiggins | Doweling jig |
| CN203621993U (en) * | 2013-11-07 | 2014-06-04 | 重庆纪工汽车动力转向有限公司 | Drilling fixture for steering system case and upper end cover connecting end surface |
| CN104249260A (en) * | 2013-06-28 | 2014-12-31 | 天津市中马骏腾精密机械制造有限公司 | Drilling and locating fixture for fabric-feeding presser foot of sewing machine |
| CN105081817A (en) * | 2014-05-09 | 2015-11-25 | 泰州海华机械制造有限公司 | Workpiece fixing device for disk milling |
| CN205733938U (en) * | 2016-06-08 | 2016-11-30 | 安徽盛运重工机械有限责任公司 | A kind of clamping position frock for support roller hanger boring |
| CN209477765U (en) * | 2018-12-20 | 2019-10-11 | 衡阳合力工业车辆有限公司 | A kind of boring grab |
-
2018
- 2018-12-20 CN CN201811564096.9A patent/CN109352379B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011656A1 (en) * | 1978-12-01 | 1980-06-11 | Garfield Wiggins | Doweling jig |
| CN104249260A (en) * | 2013-06-28 | 2014-12-31 | 天津市中马骏腾精密机械制造有限公司 | Drilling and locating fixture for fabric-feeding presser foot of sewing machine |
| CN203621993U (en) * | 2013-11-07 | 2014-06-04 | 重庆纪工汽车动力转向有限公司 | Drilling fixture for steering system case and upper end cover connecting end surface |
| CN105081817A (en) * | 2014-05-09 | 2015-11-25 | 泰州海华机械制造有限公司 | Workpiece fixing device for disk milling |
| CN205733938U (en) * | 2016-06-08 | 2016-11-30 | 安徽盛运重工机械有限责任公司 | A kind of clamping position frock for support roller hanger boring |
| CN209477765U (en) * | 2018-12-20 | 2019-10-11 | 衡阳合力工业车辆有限公司 | A kind of boring grab |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109352379A (en) | 2019-02-19 |
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