CN111761529A - Clamping device for machining - Google Patents
Clamping device for machining Download PDFInfo
- Publication number
- CN111761529A CN111761529A CN202010647431.2A CN202010647431A CN111761529A CN 111761529 A CN111761529 A CN 111761529A CN 202010647431 A CN202010647431 A CN 202010647431A CN 111761529 A CN111761529 A CN 111761529A
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- CN
- China
- Prior art keywords
- clamping
- screw rod
- threaded screw
- outer shell
- driving
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamping device for machining, and relates to the technical field of machining. The invention comprises an outer shell, wherein a driving motor is fixedly arranged on the surface of one outer shell; one end of the output shaft of the driving motor is fixedly connected with a threaded screw rod; the other end of the threaded screw rod is rotatably connected with the outer shell through a bearing; the peripheral side surface of the threaded screw rod is provided with a driving thread; the peripheral side surface of the threaded screw rod is provided with a positive thread and a reverse thread which are symmetrically distributed; the peripheral side surface of the threaded screw rod is engaged with two driving gears corresponding to the positions of the driving threads; the bottom surfaces of the two driving gears are fixedly connected with driven pinions, and the bottom surfaces of the two driven pinions are rotatably connected with the outer shell through bearings. According to the invention, through the design of the threaded screw rod, the tooth holder, the movable seat, the first clamping seat and the second clamping seat, the problem of poor stability caused by only two-side clamping when a square mechanical part is clamped by a traditional clamping device is solved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a clamping device for machining.
Background
The clamping device is used for fixing a processing object in the machining process, so that the processing object can smoothly complete subsequent processing or detection. The clamping device stably clamps the mechanical part through strong clamping force, so that smooth processing is guaranteed.
When the square mechanical part is clamped, most of the traditional clamping devices can clamp two sides of the square, so that the problem of poor clamping stability is easily caused; and after a period of clamping, the clamping part is easy to loosen, so that the clamping effect is poor, and subsequent machining of mechanical parts is influenced.
Disclosure of Invention
The invention aims to provide a clamping device for machining, which solves the problem of poor stability caused by only carrying out two-side clamping when an existing clamping device for machining clamps a square mechanical part through the design of a threaded screw rod, a tooth holder, a movable seat, a first clamping seat and a second clamping seat.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a clamping device for machining, which comprises an outer shell, wherein a driving motor is fixedly arranged on one surface of the outer shell; one end of the output shaft of the driving motor is fixedly connected with a threaded screw rod; the other end of the threaded screw rod is rotatably connected with the outer shell through a bearing; the peripheral side surface of the threaded screw rod is provided with a driving thread; the peripheral side surface of the threaded screw rod is provided with a positive thread and a reverse thread which are symmetrically distributed; the peripheral side surface of the threaded screw rod and the position corresponding to the driving thread are connected with two driving gears in a meshed manner; the bottom surfaces of the two driving gears are fixedly connected with driven pinions, and the bottom surfaces of the two driven pinions are rotatably connected with the outer shell through bearings; the peripheral side surfaces of the two driven small gears are respectively connected with a driven large gear in a meshing manner; the two driven large gears are rotationally connected with the outer shell through bearings; the peripheral side surfaces of the two large driven gears are respectively connected with a gear seat in a meshing manner; the bottom surfaces of the two tooth seats are in sliding fit with the outer shell; the upper surfaces of the two tooth holders are fixedly provided with first clamping holders; the peripheral side surface of the threaded screw rod is in threaded connection with a movable seat at positions corresponding to the positive threaded part and the negative threaded part; the bottom surfaces of the two moving seats are in sliding fit with the outer shell; the upper surfaces of the two moving seats are fixedly connected with a second clamping seat; the inner wall of the outer shell is fixedly connected with a top cover; a group of limiting grooves are formed in the surface of the top cover and correspond to the first clamping seat and the second clamping seat; the surfaces of the first clamping seat and the second clamping seat are in sliding fit with the top cover.
Furthermore, rubber anti-skid pads are arranged on one surface of each of the two first clamping seats and one surface of each of the two second clamping seats; the two first clamping seats and the two second clamping seats are distributed on the surface of the top cover in a circumferential array.
Further, the outer shell is of a hollow structure with an opening at the upper end; the two first clamping seats and the two second clamping seats are both T-shaped structures.
Furthermore, the two driving gears and the two driven large gears are symmetrically distributed on two sides of the threaded screw rod; the centers of the driving gear and the driven pinion are located on the same axis.
Furthermore, teeth are arranged on one surface of each of the two tooth seats and at positions corresponding to the driven bull gears; the bottom surfaces of the two tooth seats are fixedly provided with sliding blocks; a sliding groove is formed in the surface of the outer shell and corresponds to the tooth holder.
The invention has the following beneficial effects:
1. according to the invention, through the design of the threaded screw rod, the tooth holder, the movable seat, the first clamping seat and the second clamping seat, the device can clamp the square mechanical part on four sides by rotating the threaded screw rod, compared with the traditional device for clamping two sides of the square mechanical part, the four-side clamping stability is higher, and the problem of poor stability caused by only carrying out two-side clamping when the traditional clamping device clamps the square mechanical part is solved.
2. According to the invention, through the design of the threaded screw rod, the driving gear, the driven pinion and the driven gearwheel, the device can control the first clamping seat and the second clamping seat to simultaneously approach or separate from each other only by adjusting the threaded screw rod, so that the four-side clamping of a square mechanical part is completed, and the convenience in use of the device is remarkable.
3. According to the clamping device, through the design of the threaded screw rod, the driving gear, the driven pinion and the driven gear wheel, the device is not easy to loosen after stably clamping a square mechanical part, the clamping effect of the device is remarkably improved, and the problem that the clamping effect is poor due to the fact that a clamping part is easy to loosen after clamping for a period of time in the process of clamping the square mechanical part by using a traditional clamping device is solved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a clamping device for machining;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 2 from another angle;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a cross-sectional view of FIG. 4;
in the drawings, the components represented by the respective reference numerals are listed below:
1-outer shell, 2-driving motor, 3-threaded screw rod, 4-driving thread, 5-forward thread, 6-reverse thread, 7-driving gear, 8-driven pinion, 9-driven bull gear, 10-toothholder, 11-first clamping seat, 12-moving seat, 13-second clamping seat, 14-top cover and 15-limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention is a clamping device for machining, including an outer housing 1, a driving motor 2 fixedly mounted on a surface of the outer housing 1; one end of an output shaft of the driving motor 2 is fixedly connected with a threaded screw rod 3; the other end of the threaded screw rod 3 is rotatably connected with the outer shell 1 through a bearing; the peripheral side surface of the threaded screw rod 3 is provided with a driving thread 4; the peripheral side surface of the threaded screw rod 3 is provided with a positive thread 5 and a negative thread 6 which are symmetrically distributed; the peripheral side surface of the threaded screw rod 3 is engaged and connected with two driving gears 7 corresponding to the positions of the driving threads 4; the bottom surfaces of the two driving gears 7 are fixedly connected with driven pinions 8, and the bottom surfaces of the two driven pinions 8 are rotatably connected with the outer shell 1 through bearings; the peripheral side surfaces of the two driven small gears 8 are respectively connected with a driven big gear 9 in a meshing way; the two driven large gears 9 are rotationally connected with the outer shell 1 through bearings; the peripheral side surfaces of the two driven bull gears 9 are respectively connected with a tooth holder 10 in a meshing manner; the bottom surfaces of the two tooth holders 10 are in sliding fit with the outer shell 1; the upper surfaces of the two tooth holders 10 are fixedly provided with first clamping holders 11;
the peripheral side surface of the threaded screw rod 3 and the positions corresponding to the positive thread 5 part and the reverse thread 6 part are both in threaded connection with a movable seat 12; the bottom surfaces of the two moving seats 12 are in sliding fit with the outer shell 1; the upper surfaces of the two moving seats 12 are fixedly connected with second clamping seats 13;
the inner wall of the outer shell 1 is fixedly connected with a top cover 14; a group of limiting grooves 15 are formed in the surface of the top cover 14 and correspond to the positions of the first clamping seat 11 and the second clamping seat 13; the surfaces of the two first clamping seats 11 and the surfaces of the two second clamping seats 13 are in sliding fit with the top cover 14.
As shown in fig. 1, rubber anti-slip pads are mounted on one surface of each of the two first clamping seats 11 and the two second clamping seats 13; the two first holders 11 and the two second holders 13 are distributed on the surface of the top cover 14 in a circumferential array.
As shown in fig. 2, the outer casing 1 is a hollow structure with an open upper end; the two first clamping seats 11 and the two second clamping seats 13 are both of a T-shaped structure.
As shown in fig. 4 and 5, two driving gears 7 and two driven bull gears 9 are symmetrically distributed on two sides of the threaded screw rod 3; the centers of the drive gear 7 and the driven pinion gear 8 are located on the same axis.
As shown in fig. 2, teeth are arranged on one surface of the two tooth holders 10 and at positions corresponding to the driven gearwheel 9; the bottom surfaces of the two tooth holders 10 are both fixedly provided with sliding blocks; a sliding groove is formed on one surface of the outer shell 1 and corresponding to the tooth holder 10.
One specific application of this embodiment is: placing a cube mechanical part between a first clamping seat 11 and a second clamping seat 13, starting a driving motor 2, driving the driving motor 2 to drive a threaded screw rod 3 to rotate, driving a driving gear 7 to rotate by the threaded screw rod 3, driving the driven pinion 8 to rotate by the driving gear 7, driving a driven big gear 9 to rotate by the driven pinion 8, driving tooth seats 10 to mutually approach by the driven big gear 9, and driving the first clamping seats 11 to mutually approach by the tooth seats 10; meanwhile, the threaded screw rod 3 drives the moving seat 12 to be close to each other, and the moving seat 12 drives the second clamping seat 13 to be close to each other, so that the first clamping seat 11 and the second clamping seat 13 are simultaneously drawn close inwards to clamp the square mechanical part on four sides.
After clamping, the driving motor 2 is controlled to rotate reversely, the first clamping seat 11 and the second clamping seat 13 move outwards simultaneously, and then the square mechanical part is taken down.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A clamping device for machining, comprising an outer casing (1), characterized in that:
a driving motor (2) is fixedly arranged on one surface of the outer shell (1); one end of an output shaft of the driving motor (2) is fixedly connected with a threaded screw rod (3); the other end of the threaded screw rod (3) is rotatably connected with the outer shell (1) through a bearing;
the peripheral side surface of the threaded screw rod (3) is provided with a driving thread (4); the peripheral side surface of the threaded screw rod (3) is provided with a positive thread (5) and a negative thread (6) which are symmetrically distributed; the peripheral side surface of the threaded screw rod (3) is engaged and connected with two driving gears (7) corresponding to the positions of the driving threads (4); the bottom surfaces of the two driving gears (7) are fixedly connected with driven pinions (8),
the bottom surfaces of the two driven pinions (8) are rotationally connected with the outer shell (1) through bearings;
the peripheral side surfaces of the two driven small gears (8) are respectively connected with a driven large gear (9) in a meshing manner;
the two driven large gears (9) are rotationally connected with the outer shell (1) through bearings;
the peripheral side surfaces of the two driven large gears (9) are respectively connected with a tooth holder (10) in a meshing manner;
the bottom surfaces of the two tooth holders (10) are in sliding fit with the outer shell (1);
the upper surfaces of the two tooth holders (10) are fixedly provided with first clamping holders (11);
the peripheral side surface of the threaded screw rod (3) and the positions corresponding to the forward thread (5) part and the reverse thread (6) part are both in threaded connection with a movable seat (12); the bottom surfaces of the two moving seats (12) are in sliding fit with the outer shell (1); the upper surfaces of the two moving seats (12) are fixedly connected with second clamping seats (13);
the inner wall of the outer shell (1) is fixedly connected with a top cover (14); a group of limiting grooves (15) are formed in the surface of the top cover (14) and correspond to the first clamping seat (11) and the second clamping seat (13); the surfaces of the two first clamping seats (11) and the surfaces of the two second clamping seats (13) are in sliding fit with the top cover (14).
2. A clamping device for machining according to claim 1, characterized in that a rubber mat is mounted on one surface of each of the first clamping seat (11) and the second clamping seat (13); the two first clamping seats (11) and the two second clamping seats (13) are distributed on the surface of the top cover (14) in a circumferential array.
3. A clamping device for machining according to claim 1, characterized in that the outer housing (1) is a hollow structure open at the upper end; the two first clamping seats (11) and the two second clamping seats (13) are both T-shaped structures.
4. A clamping device for machining according to claim 1, characterized in that the two driving gears (7) and the two driven gearwheels (9) are symmetrically arranged on both sides of the threaded screw (3); the centers of the driving gear (7) and the driven pinion (8) are located on the same axis.
5. A clamping device for machining according to claim 1, characterized in that both seats (10) are provided with teeth on one surface and corresponding to the driven gearwheel (9); the bottom surfaces of the two tooth holders (10) are fixedly provided with sliding blocks; a sliding groove is formed in one surface of the outer shell (1) and corresponds to the position of the tooth holder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647431.2A CN111761529A (en) | 2020-07-07 | 2020-07-07 | Clamping device for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010647431.2A CN111761529A (en) | 2020-07-07 | 2020-07-07 | Clamping device for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111761529A true CN111761529A (en) | 2020-10-13 |
Family
ID=72724818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010647431.2A Withdrawn CN111761529A (en) | 2020-07-07 | 2020-07-07 | Clamping device for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111761529A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497030A (en) * | 2020-12-17 | 2021-03-16 | 黄祖花 | Burnishing device is used in panel furniture processing |
| CN112869479A (en) * | 2021-02-02 | 2021-06-01 | 安阳工学院 | Display device is watched to product multi-angle |
| CN112959239A (en) * | 2021-02-02 | 2021-06-15 | 大族激光科技产业集团股份有限公司 | Automatic centering clamp |
-
2020
- 2020-07-07 CN CN202010647431.2A patent/CN111761529A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497030A (en) * | 2020-12-17 | 2021-03-16 | 黄祖花 | Burnishing device is used in panel furniture processing |
| CN112869479A (en) * | 2021-02-02 | 2021-06-01 | 安阳工学院 | Display device is watched to product multi-angle |
| CN112959239A (en) * | 2021-02-02 | 2021-06-15 | 大族激光科技产业集团股份有限公司 | Automatic centering clamp |
| CN112869479B (en) * | 2021-02-02 | 2022-03-29 | 安阳工学院 | Display device is watched to product multi-angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201013 |