CN218194565U - Firm special-shaped workpiece fixture of clamping - Google Patents
Firm special-shaped workpiece fixture of clamping Download PDFInfo
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- CN218194565U CN218194565U CN202222622522.8U CN202222622522U CN218194565U CN 218194565 U CN218194565 U CN 218194565U CN 202222622522 U CN202222622522 U CN 202222622522U CN 218194565 U CN218194565 U CN 218194565U
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Abstract
The utility model discloses a steady clamping special-shaped workpiece clamp, which comprises a mounting plate, a first station and a second station on the mounting plate; the first station comprises a positioning plate and a first downward pressing cylinder positioned on the peripheral side of the positioning plate; the second station comprises a plurality of clamping mechanisms, and each clamping mechanism comprises a clamping cylinder and a first clamping block; and a support rod is arranged on the second station. Therefore, the first station and the second station for processing different processing surfaces of the special-shaped workpiece are arranged on the mounting plate, so that one machine tool can complete processing of two side surfaces of the special-shaped workpiece, and the effect of saving one machine tool is achieved; simultaneously, through the concrete design to first station, second station, adopt first air cylinder and fixture to carry out automatic centre gripping when adding man-hour to the different machined surfaces of special-shaped workpiece, can guarantee clamping stability, avoid adding man-hour, because of the clamping-force is not enough, work piece vibration amplitude is big, influences the problem of machining precision, quality.
Description
Technical Field
The utility model relates to a hardware anchor clamps field especially relates to a firm special-shaped workpiece anchor clamps of clamping.
Background
In production and manufacturing life, hardware products can not be separated in many fields, and various special-shaped hardware can be derived according to different use requirements; the special-shaped workpiece shown in figure 1 is a special-shaped workpiece used for medical detection equipment; the special-shaped workpiece is a casting part, the surface of the special-shaped workpiece is rough, the size of the special-shaped workpiece is not accurate, the requirements of the medical industry on the surface roughness and the precision of a hardware product are higher than those of other industrial fields, and therefore the special-shaped workpiece needs to be ground and polished.
In the existing grinding and polishing processes, different positioning fixtures are placed on 2 machine tools, wherein 1 machine tool is used for processing one side surface of a special-shaped workpiece, and the other 1 machine tool is used for processing the other side surface of the special-shaped workpiece, however, the price of the machine tool is often high, the machine tools purchased by manufacturers are often few, the problem of machine tool use tension exists frequently, and the use of the machine tool is further stressed by the processing mode of the 2 machine tools; in addition, the design of the existing clamp for the special-shaped product is not reasonable enough, the clamping stability is not good enough, and in the machining process, the special-shaped workpiece vibrates greatly, so that the machining effect is not ideal.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects and deficiencies of the prior art, the utility model provides a special-shaped workpiece fixture with stable clamping, which is characterized in that a first station and a second station are arranged on a mounting plate, the first station is used for processing one side surface of the special-shaped workpiece, and the second station is used for processing the other side surface of the special-shaped workpiece, so that one machine tool can complete the processing of two side surfaces of the special-shaped workpiece, and the effect of saving one machine tool is achieved; simultaneously, through the concrete design to first station, second station, adopt first air cylinder and fixture to carry out automatic centre gripping when adding man-hour to the different machined surfaces of special-shaped workpiece, can guarantee clamping stability, avoid adding man-hour, because of the clamping-force is not enough, work piece vibration amplitude is big, influences the problem of machining precision, quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a clamp for stably clamping a special-shaped workpiece comprises a mounting plate, a first station and a second station, wherein the first station and the second station are arranged on the mounting plate; the first station comprises a positioning plate arranged above the mounting plate, and supporting strips extending in the left-right direction are arranged on the positioning plate; positioning concave positions are arranged on the left side and the right side of the positioning plate; a supporting part extends outwards from the bottom wall of the positioning concave position; the first station is provided with 2 first down-pressing air cylinders for stabilizing the workpiece on the front side, the rear side, the left side and the right side of the positioning plate;
the second station comprises a plurality of clamping mechanisms, each clamping mechanism comprises a clamping cylinder and a first clamping block, the clamping cylinders are horizontally arranged, the clamping cylinders are connected with second clamping blocks in a driving mode, and the second clamping blocks correspond to the first clamping blocks; and a plurality of supporting rods for supporting the workpiece are arranged on the second station.
As a preferred solution, the clamping mechanism has 6 groups, respectively defined as: the clamping device comprises a first clamping mechanism, a second clamping mechanism, a third clamping mechanism, a fourth clamping mechanism, a fifth clamping mechanism and a sixth clamping mechanism; wherein:
the first clamping mechanism, the second clamping mechanism and the third clamping mechanism are arranged from left to right in sequence near the front sides of the mounting plates, and the fourth clamping mechanism, the fifth clamping mechanism and the sixth clamping mechanism are arranged from left to right in sequence near the rear sides of the mounting plates;
and the second clamping mechanism is higher than the fifth clamping mechanism.
As a preferable scheme, the number of the supporting rods is 4, which are arranged in an isosceles trapezoid and respectively defined as a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod; wherein:
the first supporting rod is arranged between the first clamping mechanism and the second clamping mechanism, the second supporting rod is arranged between the second clamping mechanism and the third clamping mechanism, the third supporting rod is located on the rear side of the fourth clamping mechanism, and the fourth supporting rod is located on the rear side of the sixth clamping mechanism.
As a preferred scheme, the mounting panel corresponds the below of second fixture is provided with the bed hedgehopping piece, the mounting panel corresponds the below of fifth fixture is provided with first subside concave station.
Preferably, the first hold-down cylinder located at the front side of the positioning plate is lower than the first hold-down cylinder located at the rear side of the positioning plate.
Preferably, a second settlement concave platform is arranged below the mounting plate corresponding to the first down-pressing cylinder on the front side of the positioning plate, and a first heightening column is arranged below the mounting plate corresponding to the first down-pressing cylinder on the rear side of the positioning plate.
As a preferable scheme, a second heightening column is arranged below the first station corresponding to the positioning plate.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the mounting plate is mainly provided with the first station and the second station, the first station is used for processing one side surface of the special-shaped workpiece, and the second station is used for processing the other side surface of the special-shaped workpiece, so that one machine tool can complete the processing of two side surfaces of the special-shaped workpiece, and the effect of saving one machine tool is achieved; simultaneously, through the concrete design to first station, second station, adopt first air cylinder and fixture to carry out automatic centre gripping when adding man-hour to the different machined surfaces of special-shaped workpiece, can guarantee clamping stability, avoid adding man-hour, because of the clamping-force is not enough, work piece vibration amplitude is big, influences the problem of machining precision, quality.
And moreover, the supporting structures and the clamping structures on the first station and the second station are designed reasonably, so that the clamping stability can be ensured, and meanwhile, the reasonability in space use and the manufacturing cost of the clamp can be considered.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a workpiece according to an embodiment of the present invention;
FIG. 2 is a perspective view of an embodiment of the present invention;
FIG. 3 is a first exploded view of the embodiment of the present invention;
FIG. 4 is an exploded view of a second embodiment of the present invention;
fig. 5 is a top view of an embodiment of the present invention;
fig. 6 is a front view of an embodiment of the present invention;
fig. 7 is a rear view of an embodiment of the present invention;
fig. 8 is a schematic perspective view of a sixth clamping mechanism according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional view of a sixth clamping mechanism according to an embodiment of the present invention.
Description of the figures:
10. mounting a plate; 11. a first settlement concave station; 12. a second settlement concave station; 13. a first heightening column; 14. a second heightening column; 20. positioning a plate; 21. a supporting strip; 22. positioning the concave position; 221. a support portion; 23. a first down-pressure cylinder; 30. a clamping cylinder; 301. a second clamping block; 302. a first clamping block; 303. mounting blocks; 304. a rotating shaft; 305. a clamping gap; 31. a first clamping mechanism; 32. a second clamping mechanism; 33. a third clamping mechanism; 34. a fourth clamping mechanism; 35. a fifth clamping mechanism; 36. a sixth clamping mechanism; 41. a first support bar; 42. a second support bar; 43. a third support bar; 44. a fourth support bar; 50. a padding block; 60. and (5) a workpiece.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiment is only a preferred embodiment of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 9, a special-shaped workpiece fixture for stable clamping in an embodiment of the present invention includes a mounting plate 10, and a first station and a second station disposed on the mounting plate 10; the first station comprises a positioning plate 20 arranged above the mounting plate 10, and supporting strips 21 extending along the left-right direction are arranged on the positioning plate 20; the left side and the right side of the positioning plate 20 are both provided with positioning concave positions 22; a support part 221 extends outwards from the bottom wall of the positioning concave part 22; the first station is provided with 2 first down-pressing air cylinders 23 for stabilizing the workpiece 60 on the front side, the rear side, the left side and the right side of the positioning plate 20;
the second station comprises a plurality of clamping mechanisms, each clamping mechanism comprises a clamping cylinder 30 and a first clamping block 302, the clamping cylinders 30 are horizontally arranged, the clamping cylinders 30 are connected with second clamping blocks 301 in a driving mode, and the second clamping blocks 301 correspond to the first clamping blocks 302; and a plurality of support rods for supporting the workpiece 60 are arranged on the second station.
Thus, by arranging the first station and the second station on the mounting plate 10, the first station is used for processing one side surface (upper side surface) of the special-shaped workpiece 60, and the second station is used for processing the other side surface (lower side surface) of the special-shaped workpiece 60, so that one machine tool can finish processing two side surfaces of the special-shaped workpiece, and the effect of saving one machine tool is achieved; simultaneously, through the concrete design to first station, second station, adopt first air cylinder 23 and fixture to carry out automatic centre gripping when adding man-hour to the different machined surfaces of special-shaped workpiece, can guarantee clamping stability, avoid adding man-hour, because of the clamping-force is not enough, work piece vibration amplitude is big, influences the problem of machining precision, quality.
Specifically, the method comprises the following steps: the clamping mechanism has 6 groups, which are respectively defined as: a first clamping mechanism 31, a second clamping mechanism 32, a third clamping mechanism 33, a fourth clamping mechanism 34, a fifth clamping mechanism 35 and a sixth clamping mechanism 36; wherein:
the first clamping mechanism 31, the second clamping mechanism 32 and the third clamping mechanism 33 are sequentially arranged from left to right near the front side of the mounting plate 10, and the fourth clamping mechanism 34, the fifth clamping mechanism 35 and the sixth clamping mechanism 36 are sequentially arranged from left to right near the rear side of the mounting plate 10; the second clamping mechanism 32 is higher than the fifth clamping mechanism 35. In practical application, the special-shaped workpiece is provided with clamping parts corresponding to the first clamping mechanism 31, the third clamping mechanism 33, the fourth clamping mechanism 34 and the sixth clamping mechanism 36; the second clamping mechanism 32 and the fifth clamping mechanism 35 are correspondingly clamped on a front beam and a rear beam of the special-shaped workpiece (the special-shaped workpiece is a frame body and is provided with the front beam, the rear beam, a left beam and a right beam). And, the clamp cylinder 30 may be a lever cylinder; in addition, this application is rationally adjusted the height of different fixture according to the shape of special-shaped workpiece, can avoid leading to the not good problem of work piece centre gripping effect because of the height is improper.
In the present embodiment, the first gripper mechanism 31, the second gripper mechanism 32, the third gripper mechanism 33, the fourth gripper mechanism 34, the fifth gripper mechanism 35, and the sixth gripper mechanism 36 have substantially the same configuration, and hereinafter, the sixth gripper mechanism 36 will be described as an example, but it should be understood that the gripper mechanisms to be protected by the present invention are not limited to the following configurations:
the sixth clamping mechanism 36 comprises the clamping cylinder 30, the first clamping block 302 and the second clamping block 301; wherein:
the clamping device further comprises an installation block 303, the clamping cylinder 30, the first clamping block 302 and the second clamping block 301 are all installed on the installation block 303, a rotating shaft 304 is arranged on the installation block 303, the rotating shaft 304 penetrates through the middle of the second clamping block 301, and the clamping cylinder 30 is in driving connection with the lower end of the second clamping block 301, so that a lever is formed. A clamping gap 305 is formed between the first clamping block 302 and the second clamping block 301.
Preferably, the support bars have 4 support bars arranged in an isosceles trapezoid, respectively defined as a first support bar 41, a second support bar 42, a third support bar 43, and a fourth support bar 44; wherein:
the first supporting rod 41 is installed between the first clamping mechanism 31 and the second clamping mechanism 32, the second supporting rod 42 is installed between the second clamping mechanism 32 and the third clamping mechanism 33, the third supporting rod 43 is located at the rear side of the fourth clamping mechanism 34, and the fourth supporting rod 44 is located at the rear side of the sixth clamping mechanism 36. Therefore, 4 support rods are skillfully arranged, so that the special-shaped workpiece can be supported by the support rods as few as possible, and the special-shaped workpiece is clamped and fixed by the clamping mechanism; the clamping stability is ensured; simultaneously, 4 bracing pieces are also comparatively reasonable in arranging, do not influence the installation of other assembly parts.
Specifically, a block 50 is disposed below the mounting plate 10 corresponding to the second clamping mechanism 32, and a first sinking concave platform 11 is disposed below the mounting plate 10 corresponding to the fifth clamping mechanism 35.
Further, the 2 first down-pressure cylinders 23 located at the front side of the positioning plate 20 are lower than the 2 first down-pressure cylinders 23 located at the rear side of the positioning plate 20. Specifically, the mounting plate 10 is provided with a second subsidence concave table 12 below the first lower pressure cylinder 23 corresponding to the front side of the positioning plate 20, and the mounting plate 10 is provided with a first heightening column 13 below the first lower pressure cylinder 23 corresponding to the rear side of the positioning plate 20.
Preferably, the second heightening column 14 is arranged below the first station corresponding to the positioning plate 20, so that the positioning plate 20 is higher than the mounting plate 10 by a certain height, the first downward-pressing cylinder 23 is adapted to the height of the mounting plate 10, and the workpiece can be clamped in place.
The utility model is mainly designed in such a way that a first station and a second station are arranged on the mounting plate, the first station is used for processing one side surface of the special-shaped workpiece, and the second station is used for processing the other side surface of the special-shaped workpiece, so that one machine tool can complete the processing of two side surfaces of the special-shaped workpiece, and the effect of saving one machine tool is achieved; simultaneously, through the concrete design to first station, second station, adopt first air cylinder and fixture to carry out automatic centre gripping when adding man-hour to the different machined surfaces of special-shaped workpiece, can guarantee clamping stability, avoid adding man-hour, because of the clamping-force is not enough, work piece vibration amplitude is big, influences the problem of machining precision, quality.
And moreover, the supporting structures and the clamping structures on the first station and the second station are designed reasonably, so that the clamping stability can be ensured, and meanwhile, the reasonability in space use and the manufacturing cost of the clamp can be considered.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a firm special-shaped workpiece anchor clamps of clamping which characterized in that: the device comprises an installation plate, a first station and a second station, wherein the first station and the second station are arranged on the installation plate; the first station comprises a positioning plate arranged above the mounting plate, and supporting strips extending in the left-right direction are arranged on the positioning plate; positioning concave positions are arranged on the left side and the right side of the positioning plate; a supporting part extends outwards from the bottom wall of the positioning concave position; the first station is provided with 2 first down-pressing air cylinders for stabilizing the workpiece on the front side, the rear side, the left side and the right side of the positioning plate;
the second station comprises a plurality of clamping mechanisms, each clamping mechanism comprises a clamping cylinder and a first clamping block, the clamping cylinders are horizontally arranged, the clamping cylinders are connected with second clamping blocks in a driving mode, and the second clamping blocks correspond to the first clamping blocks; and a plurality of supporting rods for supporting the workpiece are arranged on the second station.
2. The special-shaped workpiece clamp for clamping stably according to claim 1, characterized in that: the clamping mechanism has 6 groups, which are respectively defined as: the clamping device comprises a first clamping mechanism, a second clamping mechanism, a third clamping mechanism, a fourth clamping mechanism, a fifth clamping mechanism and a sixth clamping mechanism; wherein:
the first clamping mechanism, the second clamping mechanism and the third clamping mechanism are sequentially arranged from left to right near the front side of the mounting plate, and the fourth clamping mechanism, the fifth clamping mechanism and the sixth clamping mechanism are sequentially arranged from left to right near the rear side of the mounting plate;
and the second clamping mechanism is higher than the fifth clamping mechanism.
3. The firmly-clamping special-shaped workpiece clamp according to claim 2, characterized in that: the number of the supporting rods is 4, and the supporting rods are arranged in an isosceles trapezoid and respectively defined as a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod; wherein:
the first supporting rod is arranged between the first clamping mechanism and the second clamping mechanism, the second supporting rod is arranged between the second clamping mechanism and the third clamping mechanism, the third supporting rod is located on the rear side of the fourth clamping mechanism, and the fourth supporting rod is located on the rear side of the sixth clamping mechanism.
4. The special-shaped workpiece clamp for clamping stably according to claim 2, characterized in that: the mounting panel corresponds the below of second fixture is provided with the bed hedgehopping piece, the mounting panel corresponds the below of fifth fixture is provided with first subsides concave station.
5. The special-shaped workpiece clamp for clamping stably according to claim 1, characterized in that: the first lower air cylinder positioned on the front side of the positioning plate is lower than the first lower air cylinder positioned on the rear side of the positioning plate.
6. The firmly-clamping special-shaped workpiece clamp according to claim 5, characterized in that: the mounting panel corresponds the below of the first air cylinder that pushes down of locating plate front side is provided with the second and subsides the concave station, the mounting panel corresponds the below of the first air cylinder that pushes down of locating plate rear side is provided with the first post that increases.
7. The special-shaped workpiece clamp for clamping stably according to claim 6, characterized in that: and a second heightening column is arranged below the first station corresponding to the positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222622522.8U CN218194565U (en) | 2022-10-08 | 2022-10-08 | Firm special-shaped workpiece fixture of clamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222622522.8U CN218194565U (en) | 2022-10-08 | 2022-10-08 | Firm special-shaped workpiece fixture of clamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218194565U true CN218194565U (en) | 2023-01-03 |
Family
ID=84638632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222622522.8U Active CN218194565U (en) | 2022-10-08 | 2022-10-08 | Firm special-shaped workpiece fixture of clamping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218194565U (en) |
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2022
- 2022-10-08 CN CN202222622522.8U patent/CN218194565U/en active Active
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