CN218137596U - Dysmorphism face centre gripping striking gear - Google Patents
Dysmorphism face centre gripping striking gear Download PDFInfo
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- CN218137596U CN218137596U CN202222666688.XU CN202222666688U CN218137596U CN 218137596 U CN218137596 U CN 218137596U CN 202222666688 U CN202222666688 U CN 202222666688U CN 218137596 U CN218137596 U CN 218137596U
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Abstract
The utility model provides a special-shaped surface clamping and shifting device, which relates to the field of shifting devices and solves the problem that the shifting device in the prior art is difficult to stably clamp a special-shaped structure with a conical surface; the special-shaped surface clamping and shifting device comprises an upper pressing plate, a lower pressing plate and a connecting plate; one end of the upper pressure plate is hinged with one end of the connecting plate; the other end of the connecting plate is hinged with one end of the lower pressing plate; the other end of the upper pressure plate is provided with a screw hole; the screw hole is internally sleeved with a fastening screw; the lower pressing plate is arc-shaped; the two sides of the lower pressing plate in the width direction are inclined planes; one side of the inclined plane close to the outer side of the lower pressing plate is lower than the other side of the inclined plane; the middle part of the upper pressure plate is in threaded connection with the toggle screw. The utility model provides a special-shaped surface clamping and shifting device, the lower pressing plate adopts a structure with inclined surfaces at two sides, and the buckling is tighter; the upper pressing plate adopts a V-shaped structure, automatic centering clamping is realized, and clamping is more stable.
Description
Technical Field
The utility model relates to a striking gear field particularly, relates to a dysmorphism face centre gripping striking gear.
Background
When the axle journal excircle of grinding part, must adopt two one abrasive machining modes of dialling, current toggle device is fixed "circular + V profile" hole structure, is applicable to the cylindric structure part of centre gripping rule, be the special-shaped structure of irregular surface and area conical surface like the clamping position of part, current toggle device centre gripping product, drive power can not stably transmit to the part, can appear the displacement after the operation, the fastening inefficacy, part unusual stall in the course of working, cause the product to scrap. Patent publication No. CN217071729U discloses an automatic dial-up work fixture for grinding machines, whose inner hole is circular and can only be used for clamping cylindrical parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dysmorphism face centre gripping striking gear has solved the striking gear under the prior art and has been difficult to the firm centre gripping and have the problem of the dysmorphism structure of the conical surface.
The embodiment of the utility model discloses a realize through following technical scheme:
a special-shaped surface clamping and shifting device comprises an upper pressing plate, a lower pressing plate and a connecting plate; one end of the upper pressure plate is hinged with one end of the connecting plate; the other end of the connecting plate is hinged with one end of the lower pressing plate; the other end of the upper pressure plate is provided with a screw hole; a fastening screw is sleeved in the screw hole; the lower pressing plate is arc-shaped; the two sides of the lower pressing plate in the width direction are inclined planes; one side of the inclined plane close to the outer side of the lower pressing plate is lower than the other side of the inclined plane; the middle part of the upper pressure plate is in threaded connection with the toggle screw.
Preferably, the two screw holes are symmetrically arranged on two sides of the upper pressure plate in the width direction.
Preferably, the middle part of the upper pressure plate is of a V-shaped structure; a through hole is formed in the middle of the V-shaped structure; the through hole is provided with internal threads; the toggle screw penetrates through the inner hole of the nut and then is in threaded connection with the through hole.
Preferably, the length of the toggle screw is greater than the depth of the through hole.
Preferably, the length of the toggle screw is 3-6 times of the depth of the through hole.
Preferably, the length of the toggle screw is 4.5 times of the depth of the through hole.
Preferably, one end of the upper pressure plate, which is far away from the fastening screw, and one end of the lower pressure plate, which is far away from the fastening screw, are both concave structures; two ends of the connecting plate are respectively arranged in the concave part of the concave structure of the upper pressure plate and the concave part of the concave structure of the lower pressure plate; the upper pressing plate and the lower pressing plate are connected with the connecting plate through cylindrical pins.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
a. the lower pressing plate adopts a structure with inclined surfaces on two sides, the inclined angle of the lower pressing plate is consistent with that of a balancing block of a part, the lower pressing plate is buckled more tightly, and the transmission torque is large.
b. The upper pressure plate adopts a V-shaped structure, is tangent to the arc surface of the balance block, is stressed by two points, is automatically centered and clamped, and is reliably and firmly pressed.
c. The connecting plate is connected with the upper pressing plate and the lower pressing plate through the cylindrical pins to form a hinge structure, the upper pressing plate and the lower pressing plate can move transversely, the upper stress point and the lower stress point are automatically centered, and the defect of loose connection caused by the deviation of the upper stress point and the lower stress point is prevented.
d. The fastening screw is positioned at the position of the conical surface, is tightly pressed corresponding to two points, is firmly locked, and can prevent the situation that the joint is not tight and is loosened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
Fig. 1 is a schematic structural view of a special-shaped surface clamping toggle device provided in embodiment 1;
FIG. 2 is a schematic view of a use state of a special-shaped surface clamping toggle device;
FIG. 3 is a schematic view of a general toggle device in use;
FIG. 4 is a cross-sectional view of FIG. 3;
an icon: 01-upper pressing plate, 02-connecting plate, 03-lower pressing plate, 04-fastening screw, 05-cylindrical pin, 06-nut, 07-toggle screw and 08-conical surface.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. 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 or explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should 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.
Example 1
As shown in fig. 1-4, a special-shaped surface clamping toggle device comprises an upper pressing plate 01, a lower pressing plate 03 and a connecting plate 02; one end of the upper pressure plate 01 is hinged with one end of the connecting plate 02; the other end of the connecting plate 02 is hinged with one end of the lower pressing plate 03; the other end of the upper pressure plate 01 is provided with a screw hole; the screw hole is internally sleeved with a fastening screw 04; the lower pressing plate 03 is arc-shaped; the two sides of the lower pressing plate 03 in the width direction are inclined planes; one side of the inclined plane close to the outer side of the lower pressing plate 03 is lower than the other side of the inclined plane; the middle part of the upper pressure plate 01 is in threaded connection with a toggle screw 07.
In the specific implementation process, the lower pressing plate 03 adopts a structure with inclined surfaces on two sides, the inclined angle of the lower pressing plate is consistent with that of the conical surface of the part, the lower pressing plate is fastened more tightly, and the transmission torque is large. The connecting plate 02 forms a hinge structure with the upper pressing plate and the lower pressing plate respectively, the upper pressing plate and the lower pressing plate can be moved transversely to drive the upper pressing plate and the lower pressing plate to float up and down to a certain degree, automatic centering of an upper stress point and a lower stress point is facilitated, and the defect of loose connection caused by deviation of the upper stress point and the lower stress point is prevented.
In this embodiment, two screw holes are symmetrically disposed on two sides of the upper platen 1 in the width direction.
In the specific implementation process, the pressing structure of the two fastening screws 04 is adopted, the screws are positioned on the conical surface 08, the upper pressing plate and the lower pressing plate are pressed correspondingly to two points, the locking is firm, and the situation that the fitting is not tight and the loosening occurs can be prevented.
In this embodiment, the middle of the upper platen 01 has a V-shaped structure; a through hole is formed in the middle of the V-shaped structure; the through hole is provided with internal threads; the toggle screw 07 penetrates through an inner hole of the nut 06 and then is in threaded connection with the through hole.
In the specific implementation process, the upper pressing plate 01 adopts a V-shaped structure, is tangent to the arc of the surface of the part, is stressed at two points, is automatically centered and clamped, and is reliably and firmly pressed.
In this embodiment, the length of the toggle screw 07 is greater than the depth of the through hole.
In the implementation process, the toggle screw 07 needs to be connected with a toggle rod of a machine tool, so that a part of the upper pressure plate 01 needs to be protruded as shown in fig. 1.
In this embodiment, the length of the toggle screw 07 is 3-6 times of the depth of the through hole.
In this embodiment, the length of the toggle screw 07 is 4.5 times of the depth of the through hole.
In a specific implementation process, the toggle screw 07 is too short, and according to a lever principle, the required force is large, and the energy consumption is high; the toggle screw 07 is too long, the required rotating space is too large, and space waste is easily caused, so the length of the toggle screw 07 is set to be 3-6 times, preferably 4.5 times of the length of the through hole.
In this embodiment, both the end of the upper pressure plate 01 away from the fastening screw 04 and the end of the lower pressure plate 03 away from the fastening screw 04 are concave structures; two ends of the connecting plate 02 are respectively arranged in the concave part of the concave structure of the upper press plate 01 and the concave part of the concave structure of the lower press plate 03; the upper pressing plate 01 and the lower pressing plate 03 are connected with the connecting plate 02 through cylindrical pins 05.
In the specific implementation process, the hinge structures of the connecting plate 02 and the upper and lower pressing plates have various options, which are the prior art, and the hinge structure of the embodiment limits the rotation direction of the hinge structure.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A special-shaped surface clamping and shifting device is characterized by comprising an upper pressing plate, a lower pressing plate and a connecting plate; one end of the upper pressure plate is hinged with one end of the connecting plate; the other end of the connecting plate is hinged with one end of the lower pressing plate; the other end of the upper pressure plate is provided with a screw hole; the screw hole is internally sleeved with a fastening screw; the lower pressing plate is arc-shaped; the two sides of the lower pressing plate in the width direction are inclined planes; one side of the inclined plane close to the outer side of the lower pressing plate is lower than the other side of the inclined plane; the middle part of the upper pressure plate is in threaded connection with the toggle screw.
2. The contoured surface gripping toggle device of claim 1, wherein the threaded holes are two and symmetrically disposed on either side of the width of the top platen.
3. The contoured surface gripping toggle device of claim 1, wherein the middle portion of the upper platen is a V-shaped structure; a through hole is formed in the middle of the V-shaped structure; the through hole is provided with an internal thread; the toggle screw penetrates through the inner hole of the nut and then is in threaded connection with the through hole.
4. A profiled surface gripping toggle device according to claim 3, wherein the toggle screw length is greater than the through hole depth.
5. A profiled surface gripping toggle device according to claim 4, wherein the toggle screw length is 3-6 times the depth of the through hole.
6. A profiled surface gripping toggle device according to claim 5, wherein the toggle screw length is 4.5 times the depth of the through hole.
7. The profiled surface gripping toggle device according to any one of the claims 1 to 6, wherein the end of the upper pressure plate away from the fastening screw and the end of the lower pressure plate away from the fastening screw are both concave structures; two ends of the connecting plate are respectively arranged in the concave part of the concave structure of the upper pressure plate and the concave part of the concave structure of the lower pressure plate; the upper pressing plate and the lower pressing plate are connected with the connecting plate through cylindrical pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222666688.XU CN218137596U (en) | 2022-10-10 | 2022-10-10 | Dysmorphism face centre gripping striking gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222666688.XU CN218137596U (en) | 2022-10-10 | 2022-10-10 | Dysmorphism face centre gripping striking gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218137596U true CN218137596U (en) | 2022-12-27 |
Family
ID=84567156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222666688.XU Active CN218137596U (en) | 2022-10-10 | 2022-10-10 | Dysmorphism face centre gripping striking gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218137596U (en) |
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2022
- 2022-10-10 CN CN202222666688.XU patent/CN218137596U/en active Active
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