CN211890542U - Pressing type clamp mechanism - Google Patents
Pressing type clamp mechanism Download PDFInfo
- Publication number
- CN211890542U CN211890542U CN202020417384.8U CN202020417384U CN211890542U CN 211890542 U CN211890542 U CN 211890542U CN 202020417384 U CN202020417384 U CN 202020417384U CN 211890542 U CN211890542 U CN 211890542U
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- chuck
- fixing shaft
- ejector rod
- rod
- clamp
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Abstract
The utility model discloses a downward-pressing type clamp mechanism, which relates to the technical field of clamps and comprises a clamp head, a clamp head connecting rod, a clamp head ejector rod and a clamp head fixing shaft, wherein one end of the clamp head ejector rod extends into the clamp head fixing shaft, and the end of the clamp head ejector rod extending into the clamp head fixing shaft is connected with the clamp head fixing shaft through a telescopic piece; the outer part of the chuck ejector rod is hinged with the chuck through a chuck connecting rod, one end of the chuck close to the chuck fixing shaft is hinged with the chuck fixing shaft, the chuck connecting rod, the chuck ejector rod and the chuck fixing shaft are combined to form a triangular structure, and at least two groups of chuck connecting rods and at least two groups of chucks are hinged along the circumferential direction of the chuck fixing shaft. The utility model discloses have through the mode that adopts pure mechanical structure to the mode of pushing down and lifting chuck mechanism has realized independently centre gripping and release, and its function is compared in pneumatics and more reliable of electronic chuck, and the cost is lower, processes simpler effect.
Description
Technical Field
The utility model relates to an anchor clamps technical field, more specifically say, it relates to a push down formula anchor clamps mechanism.
Background
As medical technology advances, more and more medical device products are used in the treatment of patients. Medical instrument products, as instruments for human bodies, must be subjected to a plurality of production processes and can be used for operations through strict quality control.
Many of the inspection processes in medical devices require inspection equipment to perform, and various fixtures of the equipment are required to perform automatic or semi-automatic inspection or manufacturing processes during the inspection process. Traditional anchor clamps often realize the centre gripping work to the part through modes such as screw thread, pneumatics, electronic, often its cost of manufacture is higher, and the structure is complicated, and it is inconvenient to maintain, greatly increased use cost to need frequent maintenance, in order to guarantee the normal operating of its function.
Based on the above problems, there is a need for a fixture mechanism for matching with the production and inspection work of instrument products, which has low cost, wide application range, high stability and low manufacturing difficulty.
SUMMERY OF THE UTILITY MODEL
To this problem in the practical application, the utility model aims to provide a push down formula fixture device, concrete scheme is as follows:
a press-down type clamp mechanism for clamping part models comprises a clamp head, a clamp head connecting rod, a clamp head ejector rod and a clamp head fixing shaft, wherein,
one end of the chuck ejector rod extends into the chuck fixing shaft, and one end of the chuck ejector rod, which extends into the chuck fixing shaft, is connected with the chuck fixing shaft through a telescopic piece;
the outer portion of the chuck ejector rod is hinged to the chuck through the chuck connecting rod, one end, close to the chuck fixing shaft, of the chuck is hinged to the chuck fixing shaft, the chuck connecting rod, the chuck ejector rod and the chuck fixing shaft are combined to form a triangular structure, the chuck connecting rod and the chuck are hinged to at least two groups along the circumferential direction of the chuck fixing shaft, and the chuck, the chuck connecting rod, the chuck ejector rod and the chuck fixing shaft are matched to work to clamp the part model.
Furthermore, a chuck force measuring module is arranged at one end, far away from the chuck ejector rod, of the chuck fixing shaft and used for measuring and collecting pressure data.
Further, the chuck force measuring module comprises an outer frame body and a force measuring meter, the outer frame body is fixedly connected with the chuck fixing shaft, and the force measuring meter is arranged to be in contact with the chuck fixing shaft.
Furthermore, the clamping head device further comprises a limiting module, wherein the limiting module comprises a clamping head limiting piece and an ejector rod limiting groove, the clamping head limiting piece is installed on the clamping head fixing shaft, the ejector rod limiting groove is formed in the clamping head ejector rod, and the clamping head limiting piece and the ejector rod limiting groove are matched for use so as to limit the ejector rod to rotate along the axial direction of the ejector rod.
Furthermore, the chuck ejector rod and the chuck fixing shaft are both of cylindrical structures, and the vertical central axes of the chuck ejector rod and the chuck fixing shaft are positioned on the same straight line.
Further, the shape of the chuck is matched with that of the part model.
Furthermore, three groups of the chucks and the chuck connecting rods are arranged.
Further, the telescopic part is set as a hydraulic rod.
Furthermore, the telescopic piece is a pressure spring.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the chuck, the chuck connecting rod, the chuck ejector rod and the chuck fixing shaft which are matched with each other are arranged, the chuck is in a pure mechanical structure, and the chuck is pressed and lifted, so that the automatic clamping and releasing are realized, and compared with pneumatic and electric chucks, the chuck is more reliable in function, lower in cost and simpler in processing;
(2) through setting up chuck dynamometry module, can ensure that the clamping-force of same module maintains in a invariable interval, to the part of same appearance, can play the effect of carrying out relative value comparison, have great reference meaning to the production and the inspection work of product.
Drawings
Fig. 1 is an overall schematic view of an embodiment of the present invention;
fig. 2 is a schematic view of the working state of the present invention (during clamping).
Reference numerals: 1. a chuck; 2. a collet link; 3. a chuck ejector rod; 4. a chuck fixing shaft; 5. a telescoping member; 6. a chuck force measuring module; 61. an outer frame body; 62. a force gauge; 7. a limiting module; 71. a chuck limiting sheet; 72. a mandril limiting groove; 8. and (5) part model.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, a press-down type clamping mechanism for clamping a part model 8 comprises a chuck 1, a chuck connecting rod 2, a chuck post rod 3 and a chuck fixing shaft 4, wherein one end of the chuck post rod 3 extends into the chuck fixing shaft 4, and one end of the chuck post rod 3 extending into the chuck fixing shaft 4 is connected with the chuck fixing shaft 4 through a telescopic part 5; the outer portion of the chuck ejector rod 3 is hinged with the chuck 1 through the chuck connecting rod 2, one end, close to the chuck fixing shaft 4, of the chuck 1 is hinged with the chuck fixing shaft 4, the chuck 1, the chuck connecting rod 2, the chuck ejector rod 3 and the chuck fixing shaft 4 are combined to form a triangular structure, at least two groups of chuck connecting rods 2 and the chuck 1 are hinged along the circumferential direction of the chuck fixing shaft 4, and the chuck 1, the chuck connecting rod 2, the chuck ejector rod 3 and the chuck fixing shaft 4 work in a matched mode to clamp the part model 8.
The utility model discloses a theory of operation does: in an initial state, the chuck 1 and the part model 8 are in a disconnected state, the distance between the chuck fixing shaft 4 and the chuck ejector rod 3 is the largest, and the elastic potential energy of the telescopic piece 5 is zero; when the clamping head 1 and the part model 8 work, the clamping head 1 ejector rod is driven to move downwards by pressing the clamping head fixing shaft 4 downwards, when the bottom of the clamping head ejector rod 3 contacts the top of the part model 8, the clamping head 1 ejector rod starts to compress the telescopic piece 5, the telescopic piece 5 accumulates elastic potential energy, the distance between the clamping head fixing shaft 4 and a rotating shaft of the clamping head ejector rod 3 is reduced, the included angle between the clamping head ejector rod 3 and the clamping head connecting rod 2 is increased, according to the principle that the total sum of angles of triangles is consistent, the included angle between the clamping head 1 and the clamping head fixing shaft 4 is reduced, the lower end of the clamping head 1 starts to move radially towards the center of the part model 8, the final clamping state is shown in figure 2, after the clamping head ejector rod 3 axially displaces for a certain distance, the clamping head 1 completely clamps the part model 8, when the clamping head 1 moves upwards, the whole clamp is convenient to clamp, high in clamping stability, low in cost and high in practicability.
The chuck ejector rod 3 and the chuck fixing shaft 4 are both designed to be of a cylindrical structure, and the vertical central axes of the chuck ejector rod 3 and the chuck fixing shaft 4 are positioned on the same straight line. Thus, when the chuck fixing shaft 4 is pressed downwards, the force transmission between the chuck fixing shaft 4 and the chuck push rod 3 can be kept in the same straight line direction.
And a chuck force measuring module 6 is arranged at one end of the chuck fixing shaft 4, which is far away from the chuck ejector rod 3, and the chuck force measuring module 6 is used for measuring and acquiring pressure data. The chuck force measuring module 6 comprises an outer frame body 61 and a force measuring meter 62, wherein the outer frame body 61 is fixedly connected with the chuck fixing shaft 4, and the force measuring meter 62 is arranged to be in contact with the chuck fixing shaft 4. Therefore, when clamping, the chuck force measuring module 6 is pressed downwards to drive the chuck fixing shaft 4 to move, and meanwhile, the dynamometer 62 measures the pressure and collects pressure data, so that a user can conveniently master the relative value of the clamping force.
The chuck top rod limiting device further comprises a limiting module 7, wherein the limiting module 7 comprises a chuck limiting sheet 71 and a top rod limiting groove 72, the chuck limiting sheet 71 is installed on the chuck fixing shaft 4, the top rod limiting groove 72 is formed in the chuck top rod 3, and the chuck limiting sheet 71 is matched with the top rod limiting groove 72 for use so as to limit the chuck top rod 3 to rotate along the axial direction of the chuck top rod. The arrangement of the limiting module 7 can not only guide the movement between the chuck ejector rod 3 and the chuck fixing shaft 4, but also prevent the chuck ejector rod 3 and the chuck fixing shaft 4 from rotating circumferentially relative to each other, so as to ensure the normal clamping of the chuck 1.
The shape of the chuck 1 is adapted to the shape of the part model 8. Therefore, the shape of the chuck 1 can be adaptively designed according to the shape of the part model 8, so that the chuck can be close to the shape of the part model 8 as much as possible, and the chuck is favorable for clamping the part model 8 more firmly so as to achieve a better clamping effect.
Three groups of chucks 1 and chuck connecting rods 2 are arranged. Thus, the most stable clamping is realized on the basis of saving material cost.
The telescopic member 5 is provided as a hydraulic rod.
The expansion element 5 is a compression spring.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. A press-down type clamp mechanism is used for clamping a part model (8) and is characterized by comprising a clamp (1), a clamp connecting rod (2), a clamp ejector rod (3) and a clamp fixing shaft (4),
one end of the chuck ejector rod (3) extends into the chuck fixing shaft (4), and one end of the chuck ejector rod (3) extending into the chuck fixing shaft (4) is connected with the chuck fixing shaft (4) through a telescopic piece (5);
the outside of chuck ejector pin (3) is passed through chuck connecting rod (2) with chuck (1) is articulated, chuck (1) is close to the one end of chuck fixed axle (4) with chuck fixed axle (4) are articulated, chuck (1) chuck connecting rod (2) chuck ejector pin (3) with chuck fixed axle (4) combination forms the triangle-shaped structure, chuck connecting rod (2) with chuck (1) is followed the circumference of chuck fixed axle (4) articulates there are at least two sets ofly, chuck (1), chuck connecting rod (2) chuck ejector pin (3) with chuck fixed axle (4) work of cooperateing, it is right to realize the centre gripping of part model (8).
2. The push-down clamp mechanism according to claim 1, wherein a clamp force measuring module (6) is arranged on one end of the clamp fixing shaft (4) far away from the clamp push rod (3), and the clamp force measuring module (6) is used for measuring and collecting pressure data.
3. The push-down clamp mechanism according to claim 2, wherein the chuck force measuring module (6) comprises an outer frame (61) and a force gauge (62), the outer frame (61) is fixedly connected with the chuck fixing shaft (4), and the force gauge (62) is arranged to contact with the chuck fixing shaft (4).
4. The downward-pressing type clamp mechanism according to claim 1, further comprising a limiting module (7), wherein the limiting module (7) comprises a chuck limiting piece (71) and an ejector rod limiting groove (72), the chuck limiting piece (71) is mounted on the chuck fixing shaft (4), the ejector rod limiting groove (72) is formed in the chuck ejector rod (3), and the chuck limiting piece (71) and the ejector rod limiting groove (72) are matched for use so as to limit the chuck ejector rod (3) to rotate along the axial direction of the chuck ejector rod.
5. The press-down type clamp mechanism according to claim 1, wherein the chuck post rod (3) and the chuck fixing shaft (4) are provided in a cylindrical structure, and vertical central axes of the chuck post rod (3) and the chuck fixing shaft (4) are located on the same straight line.
6. A push-down clamp mechanism according to claim 1, wherein the shape of the collet (1) is adapted to the shape of the part model (8).
7. A push-down clamp mechanism according to claim 1, wherein there are three sets of the collet (1) and the collet linkage (2).
8. A push-down clamp mechanism according to claim 1, wherein the telescopic member (5) is provided as a hydraulic rod.
9. A push-down clamp mechanism according to claim 1, wherein the telescopic member (5) is provided as a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417384.8U CN211890542U (en) | 2020-03-27 | 2020-03-27 | Pressing type clamp mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020417384.8U CN211890542U (en) | 2020-03-27 | 2020-03-27 | Pressing type clamp mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211890542U true CN211890542U (en) | 2020-11-10 |
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ID=73275767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020417384.8U Active CN211890542U (en) | 2020-03-27 | 2020-03-27 | Pressing type clamp mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211890542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619965A (en) * | 2020-12-21 | 2021-04-09 | 天长市市政建筑有限责任公司 | Two-sided structure of spraying paint of building decoration panel |
-
2020
- 2020-03-27 CN CN202020417384.8U patent/CN211890542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112619965A (en) * | 2020-12-21 | 2021-04-09 | 天长市市政建筑有限责任公司 | Two-sided structure of spraying paint of building decoration panel |
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