CN209936419U - Milling rapid clamping fixture capable of achieving self-locking - Google Patents
Milling rapid clamping fixture capable of achieving self-locking Download PDFInfo
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- CN209936419U CN209936419U CN201920352797.XU CN201920352797U CN209936419U CN 209936419 U CN209936419 U CN 209936419U CN 201920352797 U CN201920352797 U CN 201920352797U CN 209936419 U CN209936419 U CN 209936419U
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- bottom plate
- pressing block
- positioning seat
- auxiliary
- output shaft
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Abstract
The utility model discloses a milling quick clamping fixture capable of self-locking, a main cylinder, an auxiliary cylinder, an axial positioning seat and a rear side positioning seat are connected and fixed on a bottom plate, an inclined pressing block is connected on an output shaft of the main cylinder, the output shaft of the main cylinder moves up and down, the inclined pressing block generates downward component force and component force on two sides, the lower component force ensures that a workpiece is not lifted up, the component force on the two sides clamps the workpiece, finally, the inclined plane is self-locked, and the workpiece cannot be loosened by itself; the auxiliary pressing block is connected with the auxiliary cylinder through a lever hinge structure, an output shaft of the auxiliary cylinder reciprocates to drive the lever to swing, and a workpiece is pressed through the auxiliary pressing block; the clamping device has the advantages that the structural design is ingenious, two workpieces to be machined can be accurately and reliably positioned at the same time, the machining quality of products is reliably ensured, the clamping device is easy and rapid to clamp, the labor intensity is reduced, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of machining anchor clamps, concretely relates to quick clamping anchor clamps that mill that can auto-lock.
Background
At present, in the plane milling, a vice or a vice-like jaw clamping mode is mostly adopted. And (3) reliability: the workpiece is easy to lift in the clamping process, so that the bottom surface is inaccurate in positioning; and the side surface has a gap against the position, so the positioning reliability is poor. In the aspect of efficiency: one-die one-piece processing is adopted, so that the production efficiency is low; in addition, the manual clamping is adopted, the labor intensity is high, the clamping efficiency is low, and the clamping force is inconsistent.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick clamping anchor clamps that mill that can auto-lock to above-mentioned defect of prior art.
The utility model aims at realizing through the following technical scheme:
a milling rapid clamping fixture capable of self-locking comprises a bottom plate with a square structure and a bottom surface and a front surface; cushion blocks are arranged at two ends of the bottom surface of the bottom plate, and a space is formed below the bottom plate by two cushion blocks; a main cylinder is arranged in the center of the space below the bottom plate, and two auxiliary cylinders are symmetrically arranged on two sides of the main cylinder; the output shaft of the main cylinder penetrates through the bottom plate; an axial positioning seat and a rear positioning seat are symmetrically arranged at two ends of the front side of the bottom plate along the longitudinal center line of the bottom plate, and the axial positioning seat and the rear positioning seat on the same side position and clamp a workpiece to be processed; the connecting line of the centers of the two axial positioning seats is superposed with the axial center line of the bottom plate; the connecting line of the centers of the two rear side positioning seats is parallel to the axial center line of the bottom plate; an inclined pressing block is further arranged at the center of the bottom plate; spring pieces are arranged on two sides of the inclined pressing block close to the axial positioning seat; the inclined pressing block is connected with the output shaft of the main cylinder; a lever is connected to the side face, far away from the rear side positioning seat, of the bottom plate through a hinge seat; one end of the lever is connected with the output shaft of the auxiliary cylinder, and the other end of the lever is connected with an auxiliary pressing block; the auxiliary pressing block and the rear side positioning seat are arranged in parallel and oppositely.
Further, in order to ensure the installation accuracy of the clamp, the bottom surface of the cushion block is used as a reference surface, and the perpendicularity tolerance of the axial positioning seat working surface and the rear side positioning seat working surface is not more than 0.03.
Further, in order to facilitate installation and adjustment of the position of the whole clamp, the cushion block is of an L-shaped structure, and the bottom of the cushion block is provided with an installation groove of a U-shaped structure.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses a milling quick clamping anchor clamps that can auto-lock, main cylinder, auxiliary cylinder, axial positioning seat and rear side positioning seat are connected and are fixed on the bottom plate, and the sloping block is connected on main cylinder output shaft, and main cylinder output shaft up-and-down motion, sloping block produce the component force of downward and both sides, and lower component force guarantees that the work piece does not lift up, and the both sides component force presss from both sides the work piece tightly, and finally the inclined plane is auto-locked, and the work piece can not become flexible by oneself; the auxiliary pressing block is connected with the auxiliary cylinder through a lever hinge structure, an output shaft of the auxiliary cylinder reciprocates to drive the lever to swing, and a workpiece is pressed through the auxiliary pressing block; the clamping device has the advantages that the structural design is ingenious, two workpieces to be machined can be accurately and reliably positioned at the same time, the machining quality of products is reliably ensured, the clamping device is easy and rapid to clamp, the labor intensity is reduced, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a milling rapid clamping fixture capable of self-locking according to the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a top view of fig. 1.
Description of reference numerals: 1-a bottom plate; 2-cushion block; 3-master cylinder; 31-master cylinder output shaft; 4-an auxiliary cylinder; 5-axial positioning seat; 6-rear side positioning seat; 7-inclined pressing block; 8-spring leaf; 9-hinge seat; 10-a lever; 11-auxiliary briquetting; 12-mounting grooves; 13-the workpiece to be machined.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
As shown in fig. 1-3, a milling quick clamping fixture capable of self-locking comprises a bottom plate 1 with a square structure and a bottom surface and a front surface; cushion blocks 2 are arranged at two ends of the bottom surface of the bottom plate 1, and a space is formed below the bottom plate 1 by two cushion blocks 2; a main cylinder 3 is arranged in the center of the space below the bottom plate 1, and two auxiliary cylinders 4 are symmetrically arranged on two sides of the main cylinder 3; the main cylinder output shaft 31 penetrates through the bottom plate 1; an axial positioning seat 5 and a rear positioning seat 6 are symmetrically arranged at two ends of the front surface of the bottom plate 1 along the longitudinal center line of the bottom plate, and the axial positioning seat 5 and the rear positioning seat 6 on the same side position and clamp a workpiece 13 to be processed; the connecting line of the centers of the two axial positioning seats 5 is superposed with the axial center line of the bottom plate 1; the connecting line of the centers of the two rear side positioning seats 6 is parallel to the axial center line of the bottom plate 1; an inclined pressing block 7 is further arranged at the center of the bottom plate 1; spring pieces 8 are arranged on two sides of the inclined pressing block 7 close to the axial positioning seat 5; the inclined pressing block 7 is connected with the main cylinder output shaft 31; the side surface of the bottom plate 1 far away from the rear side positioning seat 6 is connected with a lever 10 through a hinge seat 9; one end of the lever 10 is connected with an output shaft of the auxiliary cylinder 4, and the other end of the lever is connected with an auxiliary pressing block 11; the auxiliary pressing block 11 and the rear side positioning seat 6 are parallel, relatively and in equal height.
In order to ensure the installation accuracy of the clamp, the bottom surface of the cushion block 2 is used as a reference surface, and the perpendicularity tolerance of the working surface of the axial positioning seat 5 and the working surface of the rear side positioning seat 6 is not more than 0.03.
In order to facilitate installation and adjustment of the position of the whole clamp, the cushion block 2 is of an L-shaped structure, and the bottom of the cushion block is provided with an installation groove 12 of a U-shaped structure.
When the device is used, the main cylinder 3, the auxiliary cylinder 4, the axial positioning seat 5 and the rear side positioning seat 6 are connected and fixed on the bottom plate 1, the inclined pressing block 7 is connected on the main cylinder output shaft 31, the main cylinder output shaft 31 moves up and down, the inclined pressing block 7 generates downward component force and component force on two sides, the lower component force ensures that a workpiece is not lifted up, the component force on the two sides clamps the workpiece, finally, the inclined plane is self-locked, and the workpiece cannot be loosened automatically; the auxiliary pressing block 11 is connected with the auxiliary cylinder 4 through a lever 10 hinge structure, an output shaft of the auxiliary cylinder 4 reciprocates to drive the lever 10 to swing, and a workpiece is pressed through the auxiliary pressing block 11; the clamping device has the advantages that the structural design is ingenious, two workpieces to be machined can be accurately and reliably positioned at the same time, the machining quality of products is reliably ensured, the clamping device is easy and rapid to clamp, the labor intensity is reduced, and the production efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A milling rapid clamping fixture capable of self-locking is characterized by comprising a bottom plate with a square structure and a bottom surface and a front surface; cushion blocks are arranged at two ends of the bottom surface of the bottom plate, and a space is formed below the bottom plate by two cushion blocks; a main cylinder is arranged in the center of the space below the bottom plate, and two auxiliary cylinders are symmetrically arranged on two sides of the main cylinder; the output shaft of the main cylinder penetrates through the bottom plate; an axial positioning seat and a rear positioning seat are symmetrically arranged at two ends of the front side of the bottom plate along the longitudinal center line of the bottom plate, and the axial positioning seat and the rear positioning seat on the same side position and clamp a workpiece to be processed; the connecting line of the centers of the two axial positioning seats is superposed with the axial center line of the bottom plate; the connecting line of the centers of the two rear side positioning seats is parallel to the axial center line of the bottom plate; an inclined pressing block is further arranged at the center of the bottom plate; spring pieces are arranged on two sides of the inclined pressing block close to the axial positioning seat; the inclined pressing block is connected with the output shaft of the main cylinder; a lever is connected to the side face, far away from the rear side positioning seat, of the bottom plate through a hinge seat; one end of the lever is connected with the output shaft of the auxiliary cylinder, and the other end of the lever is connected with an auxiliary pressing block; the auxiliary pressing block and the rear side positioning seat are parallel, relatively and in equal height.
2. The self-lockable milling rapid clamping fixture as claimed in claim 1, wherein the perpendicularity tolerance of the axial locating seat working face and the rear locating seat working face is not more than 0.03 by taking the bottom face of the cushion block as a reference face.
3. The self-locking milling rapid clamping fixture according to claim 1 or 2, wherein the cushion block is of an L-shaped structure, and the bottom of the cushion block is provided with a mounting groove of a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352797.XU CN209936419U (en) | 2019-03-20 | 2019-03-20 | Milling rapid clamping fixture capable of achieving self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920352797.XU CN209936419U (en) | 2019-03-20 | 2019-03-20 | Milling rapid clamping fixture capable of achieving self-locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209936419U true CN209936419U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920352797.XU Expired - Fee Related CN209936419U (en) | 2019-03-20 | 2019-03-20 | Milling rapid clamping fixture capable of achieving self-locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209936419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935883A (en) * | 2021-01-29 | 2021-06-11 | 江南工业集团有限公司 | Clamping device for multi-shaft machining of special-shaped thin-wall sleeve and machining method of clamping device |
| CN113732751A (en) * | 2021-08-30 | 2021-12-03 | 江苏帅兢科技有限公司 | Horizontal cold-grinding engraving and milling machine |
-
2019
- 2019-03-20 CN CN201920352797.XU patent/CN209936419U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935883A (en) * | 2021-01-29 | 2021-06-11 | 江南工业集团有限公司 | Clamping device for multi-shaft machining of special-shaped thin-wall sleeve and machining method of clamping device |
| CN113732751A (en) * | 2021-08-30 | 2021-12-03 | 江苏帅兢科技有限公司 | Horizontal cold-grinding engraving and milling machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20210320 |