CN214162754U - Cam clamping device for shaft parts - Google Patents
Cam clamping device for shaft parts Download PDFInfo
- Publication number
- CN214162754U CN214162754U CN202023269252.4U CN202023269252U CN214162754U CN 214162754 U CN214162754 U CN 214162754U CN 202023269252 U CN202023269252 U CN 202023269252U CN 214162754 U CN214162754 U CN 214162754U
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- cam
- clamping
- clamp plate
- side clamp
- compression spring
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Abstract
The utility model discloses a cam clamping device for axle type part, include: the left side clamp plate that anchor clamps body and symmetry set up, the right side clamp plate, a left side, the right side clamp plate is connected with anchor clamps body rotatable formula through round pin axle subassembly, be equipped with the clamping area between left side clamp plate and the right side clamp plate, be close to the left side in clamping area, be equipped with compression spring assembly between the right side clamp plate, keep away from the left side in clamping area, be equipped with the cam subassembly between the right side clamp plate, the cam subassembly includes Archimedes helicoid and unblock plane, Archimedes helicoid and a left side, when the conflict of right side clamp plate is connected, the clamping area is for pressing from both sides tight self-locking state, when rotating to the unblock plane, under compression spring assembly's effect, the clamping area is unblock state. In this way, the utility model discloses simple structure, manufacturing convenience can realize the automatic centering during the clamping.
Description
Technical Field
The utility model relates to a metal cutting precision finishing field especially relates to a cam clamping device for axle type part.
Background
In the machining process, especially when a key groove of a shaft part is machined, the key groove is required to be centered, and an automatic centering clamp must be designed due to the fact that the outer diameter of a shaft has manufacturing errors.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a simple structure, makes conveniently, is used for processing the automatic centering anchor clamps of axle keyway.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a cam clamping device for shaft parts, comprising: the left side clamp plate that anchor clamps body and symmetry set up, the right side clamp plate, a left side, the right side clamp plate is connected with anchor clamps body rotatable formula through round pin axle subassembly, be equipped with the clamping area between left side clamp plate and the right side clamp plate, be close to the left side in clamping area, be equipped with compression spring assembly between the right side clamp plate, keep away from the left side in clamping area, be equipped with the cam subassembly between the right side clamp plate, the cam subassembly includes Archimedes helicoid and unblock plane, Archimedes helicoid and a left side, when the conflict of right side clamp plate is connected, the clamping area is for pressing from both sides tight self-locking state, when rotating to the unblock plane, under compression spring assembly's effect, the clamping area is unblock state.
In a preferred embodiment of the present invention, V-shaped grooves for clamping the workpiece are disposed on the left clamping plate and the right clamping plate, and the two V-shaped grooves are symmetrically disposed to form a clamping area.
In a preferred embodiment of the present invention, the compression spring assembly includes a compression spring and a spring seat, the spring seat is fixedly connected to the left and right clamping plates, and the compression spring is assembled on the spring seat.
In a preferred embodiment of the present invention, the cam assembly includes a cam shaft rotatably connected to the clamp body.
In a preferred embodiment of the present invention, the cam assembly is an integrated cam assembly or a split cam assembly.
In a preferred embodiment of the present invention, the left and right clamping plates and the cam assembly are provided with a push pin step therebetween, and the clamping center is adjusted by changing the length of the left and right push pin step.
The utility model has the advantages that: the utility model discloses simple structure, manufacturing convenience can realize automatic centering during the clamping.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the cam clamping device for shaft parts according to the present invention;
FIG. 2 is a side view of the cam clamping assembly shown in FIG. 1 for use with shaft-like parts;
FIG. 3 is a schematic structural view of a pin shaft assembly of the cam clamping device for shaft parts shown in FIG. 1;
FIG. 4 is a schematic view of a compression spring assembly of the cam clamping assembly for shaft parts shown in FIG. 1;
FIG. 5 is a schematic structural view of a cam assembly of the cam clamping device for shaft parts shown in FIG. 1;
fig. 6 is another structural schematic diagram of a cam assembly in the cam clamping device for shaft parts shown in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front" and "rear" and the like are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Referring to fig. 1 and 2, an embodiment of the present invention includes:
a cam clamping device for shaft parts, comprising: the clamp comprises a clamp body 2, and a left clamping plate 1A and a right clamping plate 1B which are symmetrically arranged.
The left clamping plate and the right clamping plate are rotatably connected with the clamp body 2 through a pin shaft assembly 5, the pin shaft assembly 5 comprises a pin shaft 5-1, a gasket 5-2 and a nut 5-3, as shown in figure 3, the pin shaft 5-1 is inserted into holes of the left clamping plate 1A and the right clamping plate 1B, and then the holes are correspondingly arranged in the clamp body 2, the gasket is laid up, the nut is screwed on, and the left clamping plate and the right clamping plate can rotate.
The left clamping plate and the right clamping plate are provided with V-shaped grooves 7 for clamping workpieces, the two V-shaped grooves 7 are symmetrically arranged to form a clamping area, and the workpiece with the clamping is arranged in the clamping area.
A compression spring assembly 4 is arranged between the left clamping plate and the right clamping plate close to the clamping area, and a cam assembly 3 is arranged between the left clamping plate and the right clamping plate far away from the clamping area.
The compression spring assembly 4 comprises a compression spring 4-1 and a spring seat 4-2, the spring seat 4-2 is arranged in the holes of the left clamping plate and the right clamping plate, and the compression spring 4-1 is assembled on the spring seat 4-2, as shown in figure 4.
The cam assembly 3 includes a camshaft 3-1, a washer 3-2 and a nut 3-3, and as shown in fig. 5 and 6, after the camshaft 3-1 is inserted into a corresponding hole of the jig body 2, the washer 3-2 is seated and the nut 3-3 is screwed, so that the camshaft 3-1 is rotatable.
The cam assembly 3 comprises an Archimedes spiral surface C1 and an unlocking plane C2, when the Archimedes spiral surface C1 is in interference connection with the left clamping plate and the right clamping plate, the clamping area is in a clamping self-locking state, and when the Archimedes spiral surface C3526 rotates to the unlocking plane C2, under the action of the compression spring assembly 4, the clamping area is in an unlocking state.
In the utility model, the cam shaft 3-1 is rotated clockwise, the Archimedes spiral surface C1 is connected with the left and right clamping plates in a butting way, and 2V-shaped grooves clamp the workpiece to ensure self-locking; and the camshaft 3-1 is rotated anticlockwise, and the left clamping plate and the right clamping plate loosen the workpiece under the action of the compression spring assembly 4.
The utility model discloses simple structure, manufacturing convenience can realize automatic centering during the clamping.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. A cam clamping device for shaft parts, comprising: the left side clamp plate that anchor clamps body and symmetry set up, the right side clamp plate, a left side, the right side clamp plate is connected with anchor clamps body rotatable formula through round pin axle subassembly, be equipped with the clamping area between left side clamp plate and the right side clamp plate, be close to the left side in clamping area, be equipped with compression spring assembly between the right side clamp plate, keep away from the left side in clamping area, be equipped with the cam subassembly between the right side clamp plate, the cam subassembly includes Archimedes helicoid and unblock plane, Archimedes helicoid and a left side, when the conflict of right side clamp plate is connected, the clamping area is for pressing from both sides tight self-locking state, when rotating to the unblock plane, under compression spring assembly's effect, the clamping area is unblock state.
2. The cam clamping device for shaft parts according to claim 1, wherein the left clamping plate and the right clamping plate are provided with V-shaped grooves for clamping workpieces, and the two V-shaped grooves are symmetrically arranged to form a clamping area.
3. The cam clamping device for the shaft parts as claimed in claim 1, wherein the compression spring assembly comprises a compression spring and a spring seat, the spring seat is fixedly connected with the left and right clamping plates, and the compression spring is assembled on the spring seat.
4. The cam clamping device for shaft parts according to claim 1, wherein the cam assembly comprises a cam shaft, and the cam shaft is rotatably connected with the clamp body.
5. The cam clamping device for shaft parts according to claim 1, wherein the cam assembly is an integrated cam assembly or a split cam assembly.
6. The cam clamping device for shaft parts as claimed in claim 1, wherein push pin steps are provided between the left and right clamping plates and the cam assembly, and the clamping center is adjusted by changing the lengths of the left and right push pin steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269252.4U CN214162754U (en) | 2020-12-30 | 2020-12-30 | Cam clamping device for shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269252.4U CN214162754U (en) | 2020-12-30 | 2020-12-30 | Cam clamping device for shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214162754U true CN214162754U (en) | 2021-09-10 |
Family
ID=77610805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023269252.4U Active CN214162754U (en) | 2020-12-30 | 2020-12-30 | Cam clamping device for shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214162754U (en) |
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2020
- 2020-12-30 CN CN202023269252.4U patent/CN214162754U/en active Active
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