CN218254797U - Side pressure type clamp - Google Patents
Side pressure type clamp Download PDFInfo
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- CN218254797U CN218254797U CN202222607022.7U CN202222607022U CN218254797U CN 218254797 U CN218254797 U CN 218254797U CN 202222607022 U CN202222607022 U CN 202222607022U CN 218254797 U CN218254797 U CN 218254797U
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- groove
- pushing surface
- clamping portion
- lower clamping
- pressure type
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Abstract
The utility model relates to a side-pressing type clamp, which comprises a base, an elastic chuck and an upper cover, wherein the base is axially provided with a mounting groove, and a first pushing surface is arranged in the mounting groove; the elastic chuck is arranged in the mounting groove, a clamping groove is formed in the elastic chuck in an axial penetrating mode, the elastic chuck comprises a lower clamping portion and an upper clamping portion, a lower clamping block is arranged on the lower clamping portion, a second pushing surface is arranged on the outer wall of the lower clamping portion, an upper clamping block is arranged on the upper clamping portion, and a first upper pushing surface is arranged on the outer wall of the upper clamping portion; the upper cover is slidably arranged on the base and sleeved outside the elastic chuck, a through groove is axially formed in the upper cover, and a second upward pushing surface is arranged on the side wall of the through groove; the upper cover drives the elastic chuck to move relative to the base under the action of external force, and the plurality of lower clamping blocks and the plurality of upper clamping blocks simultaneously contract inwards to clamp the shaft-shaped workpiece under the matching of the first pushing surface and the second pushing surface and the matching of the first upper pushing surface and the second upper pushing surface. The utility model discloses fixed effectual to axle shape work piece.
Description
Technical Field
The utility model relates to a numerical control adds clamping apparatus technical field, especially relates to a side pressure formula anchor clamps.
Background
The clamp is used for fixing a processing object in the numerical control processing process, so that the processing object is fixed at a correct position to carry out accurate processing or detection. When carrying out the centre gripping fixed to shaft shape work piece, because the general diameter of shaft shape work piece is less, and the outward appearance of shaft shape work piece is mostly the curved surface, causes traditional anchor clamps to be poor to shaft shape work piece's fixed effect, leads to appearing the slippage phenomenon easily in the shaft shape work piece course of working to influence processingquality.
SUMMERY OF THE UTILITY MODEL
Therefore, a side pressing type clamp is needed to be provided for solving the problem that the existing clamp has poor fixing effect on the shaft-shaped workpiece and is easy to slip off in the machining process of the shaft-shaped workpiece.
A side pressure clamp comprising:
the base is axially provided with a mounting groove, and a first pushing surface is arranged in the mounting groove;
the elastic chuck is arranged in the mounting groove, a clamping groove is formed in the elastic chuck in an axial penetrating mode, the elastic chuck comprises a lower clamping portion and an upper clamping portion, a plurality of lower clamping blocks are arranged on the lower clamping portion, the plurality of lower clamping blocks are arranged along the circumferential direction of the lower clamping portion at intervals, a second pushing surface is arranged on the outer wall of the lower clamping portion, an upper clamping block is arranged on the upper clamping portion, the plurality of upper clamping blocks are arranged along the circumferential direction of the upper clamping portion at intervals, and a first upper pushing surface is arranged on the outer wall of the upper clamping portion;
the upper cover is slidably arranged on the base and sleeved outside the elastic chuck, a through groove is axially formed in the upper cover, and a second upper pushing surface is arranged on the side wall of the through groove; and
the upper cover drives the elastic chuck to move relative to the base under the action of external force, and the lower clamping blocks and the upper clamping blocks simultaneously contract inwards to clamp the shaft-shaped workpiece under the matching of the first pushing surface and the second pushing surface and the matching of the first upper pushing surface and the second upper pushing surface.
Above-mentioned side pressure formula anchor clamps, the upper cover orders about collet relative base and removes under the exogenic action, pushes away the face and push away the cooperation of face on first push face and the second push away face and the first push away face and the second, and is a plurality of down the clamp splice is a plurality of go up the clamp splice and inwards shrink simultaneously with the tight axle shape work piece of clamp, can ensure like this that the axle shape work piece can not take place the slippage phenomenon in the numerical control course of working, side pressure formula anchor clamps are fixed effectual to the axle shape work piece, effectively improve processingquality.
In one embodiment, a lower groove is arranged between two adjacent lower clamping blocks, and the lower groove extends from the lower clamping part to the upper clamping part.
In one embodiment, an upper side groove is arranged between two adjacent upper clamping blocks, and the upper side groove extends from the upper clamping part to the lower clamping part.
In one embodiment, the upper side grooves and the lower side grooves are staggered with each other.
In one embodiment, the diameter of the lower clamping part gradually increases from the base to the upper cover, so that the outer wall of the lower clamping part forms the second extruding surface.
In one embodiment, the diameter of the upper clamping part gradually decreases from the base to the upper cover, so that the outer wall of the upper clamping part forms the first upper pushing surface.
In one embodiment, the outer wall of the end part, close to the lower clamping part, of the upper clamping part is provided with a limiting clamping groove, the inner wall of the upper cover is provided with a limiting clamping ring, and the limiting clamping ring is clamped into the limiting clamping groove.
In one embodiment, the height of the limiting clamping ring is smaller than the groove width of the limiting clamping groove.
In one embodiment, the lateral pressure type clamp further comprises a first spring, the first spring is embedded in the mounting groove, one end of the first spring abuts against the groove bottom of the mounting groove, and the other end of the first spring abuts against the lower clamping portion.
In one embodiment, the lateral pressure type clamp further comprises a second spring, the second spring is sleeved outside the base, one end of the second spring abuts against the upper cover, and the other end of the second spring abuts against the base.
Drawings
FIG. 1 is an assembly structure view of a lateral pressing type jig according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the side press type jig shown in FIG. 1;
fig. 3 is a structural view of the collet in the side press type jig shown in fig. 1.
The reference numbers in the drawings have the meanings given below:
100-side pressure type clamp;
10-a base, 11-a main body part, 12-a mounting part, 13-a mounting groove, 131-a caulking groove part, 132-a guide groove part, 133-a first pushing surface, 14-a screw hole and 15-an abutting surface;
20-elastic chuck, 21-clamping groove, 22-lower clamping part, 221-lower side groove, 222-lower clamping block, 223-second pushing surface, 23-upper clamping part, 231-upper side groove, 232-upper clamping block, 233-first upper pushing surface and 234-limiting clamping groove;
30-an upper cover, 31-a through groove, 32-a second upper pushing surface and 33-a limiting clamping ring;
40-limit screw.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating 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 explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. 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 the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" 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," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 3, a lateral pressure type clamp 100 according to an embodiment of the present invention includes a base 10, an elastic chuck 20 and an upper cover 30, wherein the elastic chuck 20 is slidably mounted on the base 10, the upper cover 30 is slidably mounted on the base 10, and the upper cover 30 is sleeved outside the elastic chuck 20. The side pressure type clamp 100 is matched with a numerical control machine tool to clamp a shaft-shaped workpiece in a numerical control machining process.
Referring to fig. 1 and 2, the base 10 includes a main body 11 and an installation portion 12 connected to the main body 11, a contact surface 15 is disposed at a connection portion between the installation portion 12 and the main body 11, an installation groove 13 is formed in an axial direction of the installation portion 12, and the installation groove 13 includes a fitting groove portion 131 and a guide groove portion 132 connected to the fitting groove portion 131.
As shown in fig. 1 to 3, a clamping groove 21 is axially formed in the collet 20 in a penetrating manner, the collet 20 includes a lower clamping portion 22 and an upper clamping portion 23 connected to the lower clamping portion 22, the lower clamping portion 22 is clamped into the guide groove portion 132, a lower groove 221 is formed in an outer side wall of the lower clamping portion 22, the lower groove 221 is communicated with the clamping groove 21, the lower groove 221 extends from the lower clamping portion 22 to the upper clamping portion 23, the number of the lower grooves 221 is multiple, and the multiple lower grooves 221 are circumferentially spaced around the lower clamping portion 22, so as to form lower clamping blocks 222 circumferentially spaced around the lower clamping portion 22. The inner wall of the guiding groove 132 is provided with a first pushing surface 133, the diameter of the lower clamping portion 22 gradually increases from the base 10 to the upper cover 30, so that the outer wall of the lower clamping portion 22 forms a second pushing surface 223, and the first pushing surface 133 is matched with the second pushing surface 223.
As shown in fig. 1 to 3, the upper clamping portion 23 is disposed at one end of the lower clamping portion 22 away from the base 10, an upper side groove 231 is formed in a side wall of the upper clamping portion 23, the upper side groove 231 is communicated with the clamping groove 21, the upper side groove 231 extends from the upper clamping portion 23 to the lower clamping portion 22, the number of the upper side grooves 231 is plural, the plural upper side grooves 231 are circumferentially spaced around the upper clamping portion 23, so as to form upper clamping blocks 232 circumferentially spaced around the upper clamping portion 23, and the upper side grooves 231 and the lower side grooves 221 are staggered with each other; the diameter of the upper clamping portion 23 gradually decreases from the base 10 to the upper cover 30, so that the outer wall of the upper clamping portion 23 forms a first upper pushing surface 233. The outer wall of the end part of the upper clamping part 23 close to the lower clamping part 22 is provided with a limiting clamping groove 234.
Referring to fig. 1 and 2, a through groove 31 is axially formed in the upper cover 30, a second upper pushing surface 32 is disposed on a side wall of the through groove 31, the second upper pushing surface 32 is matched with the first pushing surface 133, a limiting clamping ring 33 is disposed on an inner wall of the upper cover 30, the limiting clamping ring 33 is clamped into the limiting clamping groove 234, and the height of the limiting clamping ring 33 is smaller than the groove width of the limiting clamping groove 234, so that the clamping ring 33 can be adjusted in the limiting clamping groove.
As shown in fig. 1 and 2, the lateral pressure type clamp 100 further includes a first spring (not shown) embedded in the embedding groove 131, a lower end of the first spring abuts against a groove bottom of the installation groove 13, and an upper end of the first spring abuts against the lower clamping portion 22.
Referring to fig. 1 and 2, the lateral pressure type clamp 100 further includes a second spring (not shown), the second spring is sleeved outside the mounting portion 12, one end of the second spring abuts against the upper cover 30, and the other end of the second spring abuts against the abutting surface 15.
As shown in fig. 2, the side pressure type clamp 100 further includes a limit screw 40, the mounting portion 12 is provided with a screw hole 14, the limit screw 40 is inserted into the screw hole 14, the limit screw 40 is embedded in the embedding groove portion 131, and the arrangement of the limit screw 40 can limit the insertion depth of the shaft-shaped workpiece, which is beneficial to positioning the shaft-shaped workpiece.
The working principle of the lateral pressure type clamp 100 in the embodiment is as follows: when the clamping device works, the shaft-shaped workpiece is placed in the clamping groove 21, and the lower end face of the shaft-shaped workpiece is abutted against the limiting screw 40; when a shaft-shaped workpiece is machined, the numerical control machine pushes the upper cover 30, the upper cover 30 moves downwards, the elastic chuck 20 is driven to move downwards under the matching of the limiting clamping ring 33 and the limiting clamping groove 234, and the plurality of lower clamping blocks and the plurality of upper clamping blocks simultaneously contract inwards under the matching of the first pushing surface 133 and the second pushing surface 223 and under the matching of the first pushing surface 233 and the second pushing surface 32 so as to clamp the shaft-shaped workpiece, so that the shaft-shaped workpiece can be prevented from slipping in the numerical control machining process, the side pressure type clamp 100 has a good fixing effect on the shaft-shaped workpiece, and the machining quality is effectively improved; after the external force is removed, under the action of the first spring and the second spring, the elastic chuck 20 and the upper cover 30 are reset, and the lower clamping blocks and the upper clamping blocks are driven to simultaneously expand outwards, so that the shaft-shaped workpiece is loosened, and the blanking is facilitated.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A lateral pressure type clamp, comprising:
the base is axially provided with a mounting groove, and a first pushing surface is arranged in the mounting groove;
the elastic chuck is arranged in the mounting groove, a clamping groove is formed in the elastic chuck in an axial penetrating mode, the elastic chuck comprises a lower clamping portion and an upper clamping portion, a plurality of lower clamping blocks are arranged on the lower clamping portion, the plurality of lower clamping blocks are arranged along the circumferential direction of the lower clamping portion at intervals, a second pushing surface is arranged on the outer wall of the lower clamping portion, an upper clamping block is arranged on the upper clamping portion, the plurality of upper clamping blocks are arranged along the circumferential direction of the upper clamping portion at intervals, and a first upper pushing surface is arranged on the outer wall of the upper clamping portion;
the upper cover is slidably arranged on the base and sleeved outside the elastic chuck, a through groove is axially formed in the upper cover, and a second upper pushing surface is arranged on the side wall of the through groove; and
the upper cover drives the elastic chuck to move relative to the base under the action of external force, and the lower clamping blocks and the upper clamping blocks simultaneously contract inwards to clamp the shaft-shaped workpiece under the matching of the first pushing surface and the second pushing surface and the matching of the first upper pushing surface and the second upper pushing surface.
2. The lateral pressure type clamp according to claim 1, wherein a lower groove is provided between two adjacent lower clamp blocks, and the lower groove extends from the lower clamp portion to the upper clamp portion.
3. The lateral pressure type clamp according to claim 2, wherein an upper groove is provided between two adjacent upper clamping blocks, and the upper groove extends from the upper clamping portion to the lower clamping portion.
4. The lateral pressure type clip of claim 3, wherein said upper side grooves and said lower side grooves are staggered with respect to each other.
5. The lateral pressure type jig according to claim 1, wherein the diameter of the lower clamping portion gradually increases from the base to the upper cover, so that the outer wall of the lower clamping portion forms the second pushing surface.
6. The side pressure type clip of claim 1, wherein the diameter of the upper clip portion decreases gradually from the base to the upper cover, such that the outer wall of the upper clip portion forms the first push-up surface.
7. The lateral pressure type clamp according to claim 1, wherein the outer wall of the end part of the upper clamping part close to the lower clamping part is provided with a limiting clamping groove, the inner wall of the upper cover is provided with a limiting clamping ring, and the limiting clamping ring is clamped into the limiting clamping groove.
8. The lateral pressure type clamp of claim 7, wherein the height of the limiting snap ring is smaller than the groove width of the limiting snap groove.
9. The lateral pressure type clamp according to claim 1, further comprising a first spring, wherein the first spring is embedded in the mounting groove, one end of the first spring abuts against the bottom of the mounting groove, and the other end of the first spring abuts against the lower clamping portion.
10. The lateral pressure type clamp according to claim 1, further comprising a second spring, wherein the second spring is sleeved outside the base, one end of the second spring abuts against the upper cover, and the other end of the second spring abuts against the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222607022.7U CN218254797U (en) | 2022-09-30 | 2022-09-30 | Side pressure type clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222607022.7U CN218254797U (en) | 2022-09-30 | 2022-09-30 | Side pressure type clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218254797U true CN218254797U (en) | 2023-01-10 |
Family
ID=84748047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222607022.7U Active CN218254797U (en) | 2022-09-30 | 2022-09-30 | Side pressure type clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218254797U (en) |
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2022
- 2022-09-30 CN CN202222607022.7U patent/CN218254797U/en active Active
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