CN220740815U - Magnetic clamping mechanism - Google Patents
Magnetic clamping mechanism Download PDFInfo
- Publication number
- CN220740815U CN220740815U CN202322141478.3U CN202322141478U CN220740815U CN 220740815 U CN220740815 U CN 220740815U CN 202322141478 U CN202322141478 U CN 202322141478U CN 220740815 U CN220740815 U CN 220740815U
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- Prior art keywords
- clamping
- sliding
- clamping plate
- block
- sliding support
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 3
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 239000006247 magnetic powder Substances 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011896 sensitive detection Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a magnetic clamping mechanism which comprises a sliding rail, a screw rod, a sliding support and a clamping plate, wherein the sliding support is arranged on the sliding rail in a sliding way, the screw rod is connected with a screw rod sleeve arranged at the bottom of the sliding support, the clamping plate is arranged at the top of the sliding support, two sets of sliding supports and screw rods are respectively arranged at two sides of the sliding rail, a fixed supporting block and a sliding clamping block are arranged on the front surface of the clamping plate, the fixed supporting block is arranged at the bottom of a clamping surface of the clamping plate, two clamping sliding grooves are arranged at the upper part of the clamping surface of the clamping plate, an included angle between the two clamping sliding grooves is 120 DEG by taking the center of the clamping surface of the clamping plate as the center of a circle, the sliding clamping blocks are in sliding connection with the clamping sliding grooves, and an auxiliary supporting structure is further arranged on the back surface of the clamping plate. The magnetic clamping mechanism solves the problems that the clamping is unstable or the clamping is too tight so that the piece to be tested is deformed easily in the magnetic clamping mechanism of the existing magnetic particle inspection equipment.
Description
Technical Field
The utility model relates to the field of magnetic powder inspection equipment structures, in particular to a magnetic clamping mechanism.
Background
When the magnetic powder flaw detection is carried out, a workpiece to be detected is usually clamped, then the power is applied, whether the workpiece to be detected has cracks or not is determined through spraying of magnetic suspension, and the basic structure for clamping of the magnetic powder flaw detection equipment can refer to the utility model patent with the application number of CN 202123377710.0.
According to the structure, the clamping mechanism for clamping the workpiece to be tested is the clamping disc, the inner surface of the existing clamping disc is not provided with the corresponding supporting and limiting structure, so that the condition that the workpiece to be tested is easily clamped is easy to be stressed seriously, bending deformation occurs, the condition that clamping is unstable occurs when the clamping is loose, even if the corresponding force-sensitive detection mechanism is arranged, the condition is easy to occur, the force-sensitive detection mechanism can enable the workpiece to be tested to be subjected to fixed clamping force, the quality of the workpiece to be tested is different, and therefore the workpiece to be tested cannot be clamped stably when the workpiece to be tested with heavy quality is faced, and the workpiece to be tested is easy to be influenced when the workpiece to be tested is subjected to large deformation due to the fact that the same clamping pressure acts on the surface of the workpiece to be tested, because the friction force on the inner surface of the clamping disc is fixed when the quality of the workpiece to be tested exceeds the friction force, and the workpiece to be tested is easy to be deformed when the clamping force is larger than the specified force.
Disclosure of Invention
The utility model aims to provide a magnetic clamping mechanism, which solves the problems that the magnetic clamping mechanism of the existing magnetic powder inspection equipment is easy to unstable in clamping or too tight in clamping so as to deform a piece to be detected.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a magnetism fixture, includes slide rail, lead screw and carriage and grip block, the gliding setting of carriage is on the slide rail, the lead screw links to each other with the lead screw cover that sets up in the carriage bottom, the grip block sets up at the top of carriage, carriage and lead screw have two sets, and two sets of carriage and lead screw set up respectively in the both sides of slide rail, the front of grip block is equipped with fixed stay piece and slip joint piece, the fixed stay piece sets up the bottom at the grip block grip face, the upper portion of grip block grip face is equipped with two joint spouts to the contained angle between two joint spouts of centre of a circle is at 120 in the center of grip block grip face, slip joint piece sliding connection is in joint spout department, the back of grip block still is equipped with auxiliary support structure.
The clamping device has the advantages that the clamping work of members with various sizes can be realized, the clamping face of the clamping plate is provided with the fixed supporting blocks for horizontal supporting, then the workpiece to be tested is clamped through the sliding clamping blocks, so that stable clamping can be realized, even if the clamping force is small, stable clamping and supporting can be realized, the workpiece to be tested is not easy to deform due to large pressure, the detected result is more accurate, when the workpiece to be tested is clamped, sometimes stress points deviate from the center of the clamping plate, the clamping plate is easy to deform away from the center due to the long-term action of the offset force, the follow-up clamping work is not facilitated, and the auxiliary supporting structure is arranged for carrying out auxiliary supporting on the clamping plate, so that the occurrence of the situation is delayed or avoided.
As a further preferable aspect of the present utility model, the upper surface of the fixed support block is provided with lateral anti-skid patterns.
The friction force of the upper surface of the fixed supporting block is increased, and the rotation of the member to be tested during clamping is reduced.
As a further preferred aspect of the present utility model, one end of the screw is connected to a rotation motor.
The motor drives the lead screw to rotate to realize feeding of the sliding support, and the sliding mode can better and more accurately control the sliding distance so as to better adjust the clamping force.
As a further preferable mode of the utility model, the inner side face of the clamping plate is also provided with a force-sensitive resistor, two ends of the force-sensitive resistor are respectively and electrically connected in series between two signal input ends of the rotating motor control circuit, and a protection pad is arranged on the surface of a strain gauge of the force-sensitive resistor.
As a further preferable mode of the utility model, a sliding clamping block positioning bolt is arranged on one side of the clamping chute, the bottom of the sliding clamping block positioning bolt penetrates through the clamping surface of the clamping plate to be contacted with the top surface of the clamping part of the sliding clamping block, and a positioning bolt head accommodating groove is further formed in the surface of the clamping plate.
The positioning of the sliding clamping block can be realized through the positioning bolt of the sliding clamping block, and the bolt head of the positioning bolt of the sliding clamping block can not emerge from the surface of the clamping plate due to the bolt head accommodating groove of the positioning bolt.
As a further preferred aspect of the present utility model, the auxiliary supporting structure includes three auxiliary supporting rods, one ends of the auxiliary supporting rods are connected to the supporting surface of the clamping plate, and the other ends of the auxiliary supporting rods are connected to the sliding bracket.
Such auxiliary support structures are stable and can withstand a variety of angles.
Compared with the prior art, the utility model can at least achieve one of the following beneficial effects:
1. the clamping device has the advantages that the clamping work of members with various sizes can be realized, the clamping face of the clamping plate is provided with the fixed supporting blocks for horizontal supporting, then the workpiece to be tested is clamped through the sliding clamping blocks, so that stable clamping can be realized, even if the clamping force is small, stable clamping and supporting can be realized, the workpiece to be tested is not easy to deform due to large pressure, the detected result is more accurate, when the workpiece to be tested is clamped, sometimes stress points deviate from the center of the clamping plate, the clamping plate is easy to deform away from the center due to the long-term action of the offset force, the follow-up clamping work is not facilitated, and the auxiliary supporting structure is arranged for carrying out auxiliary supporting on the clamping plate, so that the occurrence of the situation is delayed or avoided.
2. The motor drives the lead screw to rotate to realize feeding of the sliding support, and the sliding mode can better and more accurately control the sliding distance so as to better adjust the clamping force.
3. The positioning of the sliding clamping block can be realized through the positioning bolt of the sliding clamping block, and the bolt head of the positioning bolt of the sliding clamping block can not emerge from the surface of the clamping plate due to the bolt head accommodating groove of the positioning bolt.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of a connection structure between a sliding clamping block and a clamping plate according to the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Specific example 1:
fig. 1 and fig. 2 show a magnetic clamping mechanism, which comprises a slide rail 1, a screw rod, a sliding support 2 and a clamping plate 3, wherein the sliding support 2 is arranged on the slide rail 1 in a sliding manner, the screw rod is connected with a screw rod sleeve arranged at the bottom of the sliding support 2, the clamping plate 3 is arranged at the top of the sliding support 2, the sliding support 2 and the screw rod are provided with two sets, the two sets of sliding supports 2 and the screw rod are respectively arranged at two sides of the slide rail 1, the front surface of the clamping plate 3 is provided with a fixed supporting block 4 and a sliding clamping block 5, the fixed supporting block 4 is arranged at the bottom of the clamping surface of the clamping plate 3, the upper part of the clamping surface of the clamping plate 3 is provided with two clamping sliding grooves 31, an included angle between the two clamping sliding grooves 31 is 120 DEG with the center of the clamping surface of the clamping plate 3, the sliding clamping block 5 is in sliding connection with the clamping sliding grooves 31, and the back surface of the clamping plate 3 is also provided with an auxiliary supporting structure 6.
The clamping device has the advantages that the clamping work of members with various sizes can be realized, the clamping face of the clamping plate is provided with the fixed supporting blocks for horizontal supporting, then the workpiece to be tested is clamped through the sliding clamping blocks, so that stable clamping can be realized, even if the clamping force is small, stable clamping and supporting can be realized, the workpiece to be tested is not easy to deform due to large pressure, the detected result is more accurate, when the workpiece to be tested is clamped, sometimes stress points deviate from the center of the clamping plate, the clamping plate is easy to deform away from the center due to the long-term action of the offset force, the follow-up clamping work is not facilitated, and the auxiliary supporting structure is arranged for carrying out auxiliary supporting on the clamping plate, so that the occurrence of the situation is delayed or avoided.
Specific example 2:
in this embodiment, the fixed support block 4 is further described on the basis of embodiment 1, and the upper surface of the fixed support block 4 is provided with lateral anti-skidding patterns.
The friction force of the upper surface of the fixed supporting block is increased, and the rotation of the member to be tested during clamping is reduced.
Specific example 3:
this embodiment further illustrates a screw having one end connected to a rotation motor based on embodiment 1.
The motor drives the lead screw to rotate to realize feeding of the sliding support, and the sliding mode can better and more accurately control the sliding distance so as to better adjust the clamping force.
Specific example 4:
the embodiment further illustrates the clamping plate 3 on the basis of the specific embodiment 3, wherein the inner side surface of the clamping plate 3 is further provided with a force-sensitive resistor, two ends of the force-sensitive resistor are respectively and electrically connected in series between two signal input ends of a rotating motor control circuit, and a protection pad is arranged on the surface of a strain gauge of the force-sensitive resistor.
Specific example 5:
the embodiment further describes the clamping chute 31 on the basis of the specific embodiment 1, one side of the clamping chute 31 is provided with a sliding clamping block positioning bolt 7, the bottom of the sliding clamping block positioning bolt 7 passes through the clamping surface of the clamping plate 3 to contact with the top surface of the clamping part of the sliding clamping block 5, and the surface of the clamping plate 3 is also provided with a positioning bolt head accommodating groove 8.
The positioning of the sliding clamping block can be realized through the positioning bolt of the sliding clamping block, and the bolt head of the positioning bolt of the sliding clamping block can not emerge from the surface of the clamping plate due to the bolt head accommodating groove of the positioning bolt.
Specific example 6:
the embodiment further describes the auxiliary supporting structure 6 on the basis of the specific embodiment 1, wherein the auxiliary supporting structure 6 comprises three auxiliary supporting rods, one ends of the auxiliary supporting rods are connected with the supporting surface of the clamping plate 3, and the other ends of the auxiliary supporting rods are connected with the sliding support 2.
Such auxiliary support structures are stable and can withstand a variety of angles.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a magnetism fixture, includes slide rail (1), lead screw and sliding support (2) and grip block (3), sliding support (2) gliding setting is on slide rail (1), the lead screw links to each other with the lead screw cover that sets up in sliding support (2) bottom, grip block (3) set up at the top of sliding support (2), sliding support (2) and lead screw have two sets, and two sets of sliding support (2) and lead screw set up respectively in the both sides of slide rail (1), its characterized in that: the front of grip block (3) is equipped with fixed stay piece (4) and slip joint piece (5), fixed stay piece (4) set up the bottom at grip block (3) clamping face, the upper portion of grip block (3) clamping face is equipped with two joint spouts (31) to the contained angle between two joint spouts (31) of centre of a circle is 120 in the center of grip block (3) clamping face, slip joint piece (5) sliding connection is in joint spout (31) department, the back of grip block (3) still is equipped with auxiliary support structure (6).
2. The magnetic clamping mechanism of claim 1, wherein: the upper surface of the fixed supporting block (4) is provided with transverse anti-skid patterns.
3. The magnetic clamping mechanism of claim 1, wherein: one end of the screw rod is connected with the rotating motor.
4. A magnetic clamping mechanism according to claim 3, wherein: the inner side surface of the clamping plate (3) is also provided with a force-sensitive resistor, two ends of the force-sensitive resistor are respectively and electrically connected in series between two signal input ends of the rotating motor control circuit, and a protection pad is arranged on the surface of a strain gauge of the force-sensitive resistor.
5. The magnetic clamping mechanism of claim 1, wherein: one side of the clamping chute (31) is provided with a sliding clamping block positioning bolt (7), the bottom of the sliding clamping block positioning bolt (7) passes through the clamping surface of the clamping plate (3) to be contacted with the top surface of the clamping part of the sliding clamping block (5), and the surface of the clamping plate (3) is also provided with a positioning bolt head accommodating groove (8).
6. The magnetic clamping mechanism of claim 1, wherein: the auxiliary supporting structure (6) comprises three auxiliary supporting rods, one ends of the auxiliary supporting rods are connected with the supporting surface of the clamping plate (3), and the other ends of the auxiliary supporting rods are connected with the sliding support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322141478.3U CN220740815U (en) | 2023-08-10 | 2023-08-10 | Magnetic clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322141478.3U CN220740815U (en) | 2023-08-10 | 2023-08-10 | Magnetic clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220740815U true CN220740815U (en) | 2024-04-09 |
Family
ID=90555865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322141478.3U Active CN220740815U (en) | 2023-08-10 | 2023-08-10 | Magnetic clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220740815U (en) |
-
2023
- 2023-08-10 CN CN202322141478.3U patent/CN220740815U/en active Active
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