CN209812113U - Workpiece positioning and pressing mechanism - Google Patents
Workpiece positioning and pressing mechanism Download PDFInfo
- Publication number
- CN209812113U CN209812113U CN201920149205.4U CN201920149205U CN209812113U CN 209812113 U CN209812113 U CN 209812113U CN 201920149205 U CN201920149205 U CN 201920149205U CN 209812113 U CN209812113 U CN 209812113U
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- base
- connecting piece
- pressing mechanism
- clamping structure
- workpiece positioning
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Abstract
The utility model relates to the field of machining, in particular to a workpiece positioning and pressing mechanism, which comprises a base and a clamping structure, wherein a positioning column is arranged on the base; the base is provided with a first connecting piece; the clamping structure is in an inverted L shape and is hinged with the first connecting piece; the clamping structure is provided with a chute which is vertical from top to bottom, the base is provided with a pin shaft, and the pin shaft is inserted into the chute. The application provides a work piece location hold-down mechanism then is connected clamping structure and base through the cooperation of chute with the round pin axle to practiced thrift the area, made compact structure compare in prior art and practiced thrift the space.
Description
Technical Field
The utility model relates to the field of machining, especially a work piece location hold-down mechanism.
Background
In the field of tooling, the structural form of a positioning mechanism is generally designed according to the shape of a workpiece so as to meet the positioning requirement of the workpiece.
When the workpiece is machined, the workpiece needs to be positioned and also needs to be compressed to prevent the workpiece from loosening and influencing the machining effect. The prior art generally places a workpiece on a positioning table, and then places a pressing mechanism beside the positioning table, so that the workpiece is pressed downwards from above by the pressing mechanism, and then the workpiece is processed. However, when the workpiece is pressed in such a way, the positioning table and the pressing mechanism are separated, so that the occupied area is large, and the reasonable utilization of the space of the clamp is not facilitated.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: the workpiece positioning and pressing mechanism is provided aiming at the problem that the existing positioning and pressing mechanism is not compact in structure and occupies a large space due to the fact that the positioning table and the pressing mechanism are separated in the prior art.
In order to realize the purpose, the utility model discloses a technical scheme be:
a workpiece positioning and pressing mechanism comprises a base and a clamping structure, wherein a first connecting piece is arranged on the base; the clamping structure is in an inverted L shape and is hinged with the first connecting piece; the first connecting piece can move along the axial direction of the base; the clamping structure is connected with the base in a sliding mode, and the first connecting piece moves and simultaneously drives the clamping structure to slide on the base to loosen or compress the workpiece.
As a preferred scheme of the utility model, a chute is arranged on the clamping structure, a pin shaft is arranged on the base, and the pin shaft is inserted into the chute; the part of the chute far away from the first connecting piece is parallel to the moving direction of the first connecting piece.
As a preferred scheme of the utility model, the workpiece positioning and pressing mechanism further comprises an air cylinder, and the air cylinder is installed at the lower side of the base; the first connecting piece is fixedly arranged on the piston of the cylinder; an opening is formed in the middle of the base; the clamping structure passes through the opening; the clamping structure comprises a clamping arm and a clamping main body which are connected with each other, and the clamping main body is hinged to the first connecting piece.
As the preferred scheme of the utility model, work piece location hold-down mechanism still includes the second connecting piece, the cylinder passes through the second connecting piece is fixed on the base. The shell of the air cylinder can be fixedly arranged on the base through the second connecting piece.
As the utility model discloses a preferred scheme, work piece location hold-down mechanism includes three clamping structure, and is three clamping structure is along the circumference evenly distributed of first connecting piece. Compress tightly the work piece that can be better through the multiple spot to triangle-shaped has stability, compresses tightly the work piece through the three-point, and the effect is better.
As the preferred scheme of the utility model, be equipped with two reference columns on the base. Two points are connected into a straight line, and the two positioning columns can prevent the workpiece from shaking, so that the positioning effect is better.
As the preferred scheme of the utility model, two reference columns set up relatively. The positions of the positioning columns are matched with the structure of the workpiece, and the two positioning columns are arranged oppositely, so that the force applied to the workpiece during positioning is uniform.
As the preferred scheme of the utility model, the sensor is still installed to the base. The sensor can detect whether a workpiece exists on the base or not, and then the air cylinder moves.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the workpiece is placed on the base, the clamping structure is connected with the base in a sliding mode, the clamping structure is hinged to the first connecting piece, and when the first connecting piece moves upwards, the inverted L-shaped clamping structure is driven to move downwards and outwards, so that the workpiece is pressed tightly. The utility model provides a work piece location hold-down mechanism then is connected clamping structure and base through the cooperation of chute with the round pin axle, and the work piece location hold-down mechanism's that this application provided area is equivalent to the area of base, compares and increases a clamp structure in the base of prior art outward and has practiced thrift the space, compact structure.
Drawings
Fig. 1 is a sectional view of a workpiece positioning and pressing mechanism provided by the present invention pressing a workpiece;
fig. 2 is a schematic structural view of the workpiece positioning and pressing mechanism provided by the present invention;
fig. 3 is a schematic view of a part of the structure of the workpiece positioning and pressing mechanism provided by the present invention;
fig. 4 is a sectional view of the workpiece positioning and pressing mechanism provided by the present invention when pressing the workpiece.
The labels in the figure are: the device comprises a base 1, a pin shaft 11, an air cylinder 2, a clamping structure 3, a clamping arm 31, a clamping main body 32, a chute 321, a positioning column 4, a first connecting piece 5, a second connecting piece 6, a sensor 7 and a workpiece 8.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 4, the present application provides a workpiece positioning and clamping mechanism in which the three clamping structures are closed before clamping the workpiece 8. As shown in fig. 1 to 3, the present application provides a workpiece positioning and pressing mechanism, which includes a base 1, a cylinder 2, a clamping structure 3, a first connecting member 5, and a second connecting member 6, wherein the cylinder 2 is fixedly mounted on the lower side of the base 1 through the second connecting member 6, an opening is formed in the middle of the base 1, the clamping structure 3 passes through the opening, the first connecting member 5 is fixedly sleeved outside a piston of the cylinder 2, one end of the clamping structure 3 is hinged to the first connecting member 5, the other end of the clamping structure passes through the opening, two positioning columns 4 are arranged on opposite diagonal corners of the base 1 for positioning a workpiece 8, three pin shafts 11 are arranged on the base 1, the workpiece positioning and pressing mechanism includes three clamping structures 3, each clamping structure 3 includes a clamping arm 31 and a clamping main body 32 that are connected to each other, and the clamping main body 32 is hinged to; the clamping main body 32 is provided with arc-shaped chutes 321, the chutes 321 correspond to the pins 11 one by one, and the pins 11 penetrate through the chutes 321 to connect the clamping structure 3 with the base 1. The inclined groove 321 is divided into a vertical inclined groove 321 section and an inclined groove 321 section, the included angle between the vertical inclined groove 321 section and the inclined groove 321 section is more than 90 degrees and less than 180 degrees, namely the inclined groove 321 is in a vertical and horizontal mode, so that the three clamping arms 31 are folded before the workpiece 8 is clamped, and the three clamping arms 31 move downwards and are dispersed along with the movement of the air cylinder 2, and the workpiece 8 is pressed. The base 1 is also provided with a sensor 7 mounting hole for mounting the sensor 7, and the sensor 7 is used for detecting whether a workpiece 8 is arranged on the positioning column 4 or not and then the cylinder 2 works.
During the use, the cylinder is ventilated at first and is moved the piston rebound, three clamping structure 3 gathers together, then put work piece 8 on reference column 4, sensor 7 detects whether have work piece 8 on reference column 4 of base 1, if there is work piece 8, then the piston downstream of cylinder 2, because clamping structure 3 and the piston of cylinder 2 are articulated through first connecting piece 5, adding the cooperation of chute 321 and round pin axle 11, three clamping structure 3 also moves down to scatter gradually by initial state of closing up, thereby clamping arm 31 compresses tightly work piece 8 with the contact of work piece 8.
The utility model provides a work piece location hold-down mechanism is through installing cylinder 2 in the bottom of base 1, then realizes fixing a position and compress tightly through the cooperation of chute 321 with round pin axle 11, and compact structure compares and has practiced thrift the space in prior art.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The workpiece positioning and pressing mechanism is characterized by comprising a base (1) and a clamping structure (3), wherein a first connecting piece (5) is arranged on the base (1); the clamping structure (3) is in an inverted L shape, and the clamping structure (3) is hinged with the first connecting piece (5); the first connecting piece (5) moves along the axial direction of the base (1); the clamping structure (3) is connected with the base (1) in a sliding mode, so that the first connecting piece (5) can drive the clamping structure (3) to slide on the base (1) to loosen or compress a workpiece while moving.
2. The workpiece positioning and pressing mechanism according to claim 1, wherein an inclined groove (321) is formed on the clamping structure (3), a pin shaft (11) is formed on the base (1), and the pin shaft (11) is inserted into the inclined groove (321); the part of the inclined groove (321) far away from the first connecting piece (5) is parallel to the moving direction of the first connecting piece (5).
3. The workpiece positioning and pressing mechanism according to claim 1, characterized in that the workpiece positioning and pressing mechanism further comprises a cylinder (2), wherein the cylinder (2) is installed at the lower side of the base (1); the first connecting piece (5) is fixedly arranged on the piston of the cylinder (2); an opening is formed in the middle of the base (1); the clamping structure (3) passes through the opening; the clamping structure (3) comprises a clamping arm (31) and a clamping body (32) which are connected with each other, and the clamping body (32) is hinged to the first connecting piece (5).
4. The workpiece positioning and pressing mechanism according to claim 3, characterized in that the workpiece positioning and pressing mechanism further comprises a second connecting piece (6), and the air cylinder (2) is fixed on the base (1) through the second connecting piece (6).
5. The workpiece positioning and pressing mechanism according to claim 1, characterized in that the workpiece positioning and pressing mechanism comprises three clamping structures (3), and the three clamping structures (3) are uniformly distributed along the circumferential direction of the first connecting piece (5).
6. The workpiece positioning and pressing mechanism according to claim 1, wherein two positioning columns (4) are arranged on the base (1).
7. The workpiece positioning and pressing mechanism according to claim 6, wherein the two positioning columns (4) are oppositely arranged.
8. The workpiece positioning and pressing mechanism according to claim 1, characterized in that the base (1) is further provided with a sensor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149205.4U CN209812113U (en) | 2019-01-28 | 2019-01-28 | Workpiece positioning and pressing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149205.4U CN209812113U (en) | 2019-01-28 | 2019-01-28 | Workpiece positioning and pressing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209812113U true CN209812113U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920149205.4U Active CN209812113U (en) | 2019-01-28 | 2019-01-28 | Workpiece positioning and pressing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209812113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561104A (en) * | 2021-09-28 | 2021-10-29 | 爱柯迪股份有限公司 | Clamping device suitable for aluminum die castings with central through hole |
-
2019
- 2019-01-28 CN CN201920149205.4U patent/CN209812113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561104A (en) * | 2021-09-28 | 2021-10-29 | 爱柯迪股份有限公司 | Clamping device suitable for aluminum die castings with central through hole |
| CN113561104B (en) * | 2021-09-28 | 2021-12-21 | 爱柯迪股份有限公司 | Clamping device suitable for aluminum die castings with central through hole |
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