CN220787213U - Full-automatic internal stay anchor clamps - Google Patents
Full-automatic internal stay anchor clamps Download PDFInfo
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- CN220787213U CN220787213U CN202322245484.3U CN202322245484U CN220787213U CN 220787213 U CN220787213 U CN 220787213U CN 202322245484 U CN202322245484 U CN 202322245484U CN 220787213 U CN220787213 U CN 220787213U
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- bottom plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model relates to the field of clamping and carrying of materials, and discloses a full-automatic internal stay clamp, which comprises a top plate, wherein a bottom plate is arranged on one side of the top plate, and a mounting plate and a driving mechanism for driving the mounting plate to axially reciprocate are arranged between the bottom plate and the top plate; the mounting plate is connected with a plurality of connecting rods, one end of each connecting rod is connected with a supporting arm, two ends of each supporting arm are provided with guide mechanisms, and the supporting arms can synchronously expand and contract along with the reciprocating movement of the mounting plate in the radial direction. Under the effect of actuating mechanism, the mounting panel can follow axial reciprocating motion, and then makes the concertina movement along radial through connecting rod drive brace, and then realizes the centre gripping work on the inboard periphery to many braces centre gripping respectively in different directions, can realize self-centering centre gripping function, thereby improve the positioning accuracy of product, solve the unable problem of centering of current internal stay anchor clamps.
Description
Technical Field
The utility model relates to inner diameter clamping and carrying of a large heavy-duty motor stator, belongs to the field of clamping and carrying of materials, and particularly relates to a full-automatic inner supporting clamp.
Background
The motor is generally composed of a motor stator and a rotor, wherein the motor stator mainly aims at generating a rotating magnetic field, and the rotor mainly aims at generating or outputting current by being cut by magnetic lines of force in the rotating magnetic field; the motor stator is composed of a stator core, a stator winding, a machine base and the like, and after the motor stator is produced and assembled, the motor stator, particularly the stator of a large heavy-duty motor, is generally required to be clamped and conveyed to a designated position.
At present, in the market, the mechanism suitable for the centre gripping transport of large-scale heavy load motor stator has two kinds: one is a three-armed manually operated link clamp that can handle heavy duty stators, but cannot be used in applications requiring automated clamping handling; another is an automatic clamping and transporting clamp with two arms, which can transport a heavy-duty stator and realize automatic clamping, but cannot be centered during clamping, and can cause inaccurate positioning.
Therefore, in order to solve the problems of automatic carrying of the heavy-duty motor stator and inaccurate positioning of the stator during clamping, the full-automatic inner support clamp is provided.
Disclosure of Invention
The utility model aims to solve the problem of providing a full-automatic internal supporting clamp, which utilizes connecting rods to enable supporting arms and a mounting plate to be mutually hinged, and pushes and pulls the supporting arms through a plurality of groups of connecting rods in the process of reciprocating movement of the mounting plate, so that the automatic clamping function for a motor stator is realized, and the aim of self-centering can be achieved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the full-automatic inner supporting clamp comprises a top plate, wherein a bottom plate is arranged on one side of the top plate, and a mounting plate and a driving mechanism for driving the mounting plate to axially reciprocate are arranged between the bottom plate and the top plate;
the mounting plate is connected with a plurality of connecting rods, one end of each connecting rod is connected with a supporting arm, two ends of each supporting arm are provided with guide mechanisms, and the supporting arms can synchronously expand and contract along with the reciprocating movement of the mounting plate in the radial direction.
In a preferred embodiment of the present utility model, the driving mechanism includes a rotatable screw rod and a nut fixedly connected to one side of the mounting plate, one end of the screw rod passes through the top plate to be connected with the motor, and the other end sequentially passes through the mounting plate and the bottom plate and is screwed on the nut.
In a preferred embodiment of the utility model, a support is arranged on the top plate, the motor is arranged on the support, and the output end of the motor is connected with the screw rod through a coupler.
In a preferred embodiment of the utility model, four connecting rods are arranged and distributed in a circumferential array, one end of each connecting rod is rotatably connected with the mounting plate, and the other end of each connecting rod is rotatably connected with the supporting arm.
In a preferred embodiment of the present utility model, the guiding mechanism includes guiding blocks disposed at two ends of the supporting arm, sliding grooves are disposed on the top plate and the bottom plate, and the guiding blocks can be slidably embedded in the sliding grooves.
In a preferred embodiment of the present utility model, a guide rod is disposed between the top plate and the bottom plate, two ends of the guide rod are respectively and fixedly connected with the top plate and the bottom plate, and the guide rod is movably disposed on the mounting plate in a penetrating manner.
In a preferred embodiment of the utility model, four guide rods are arranged and distributed in a circumferential array; the mounting plate is embedded with a bushing, and the guide rod movably penetrates through the mounting plate through the bushing.
The utility model solves the defects existing in the background technology, and has the beneficial effects that:
(1) According to the utility model, under the action of the driving mechanism, the mounting plate can axially reciprocate, and further under the limitation of the guiding mechanism, the mounting plate can drive the supporting arms to radially stretch and shrink through the connecting rods, so that the clamping work on the inner circumferential surface is realized, the plurality of supporting arms are respectively clamped in different directions, the self-centering clamping function can be realized, the positioning precision of a product is improved, and the problem that the existing inner supporting clamp cannot be centered is solved.
(2) According to the utility model, the screw rod is driven to rotate by the motor, and the mounting plate can do reciprocating linear motion along the axis direction of the screw rod under the action of screwing the nut and the screw rod, so that the automatic clamping function of the device is realized.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;
FIG. 2 is a schematic diagram of the front view of the preferred embodiment of the present utility model;
FIG. 3 is a schematic view of the drive mechanism of the preferred embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of a mounting plate according to the preferred embodiment of the present utility model;
wherein, 1, top plate; 2. a bottom plate; 3. a mounting plate; 4. a supporting arm; 5. a connecting rod; 6. a screw rod; 7. a nut; 8. a support; 9. a motor; 10. a guide block; 11. a guide rod; 12. a bushing.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
As shown in fig. 1-2, a full-automatic inner supporting clamp comprises a top plate 1, wherein a bottom plate 2 is arranged on one side of the top plate 1, a mounting plate 3 is arranged between the bottom plate 2 and the top plate 1, a plurality of connecting rods 5 are connected to the mounting plate 3, one end of each connecting rod 5 is connected with a supporting arm 4, and two ends of each supporting arm 4 are provided with guide mechanisms; a driving mechanism is further arranged between the top plate 1 and the bottom plate 2, the driving mechanism can drive the mounting plate 3 to do reciprocating rectilinear motion along the axial direction, and under the action of the connecting rod 5, the supporting arms 4 can synchronously expand and contract along the radial direction along with the reciprocating motion of the mounting plate 3.
The top plate 1 and the bottom plate 2 are coaxially arranged, circular thin plates are preferably selected, the inside of the supporting arm 4 is hollow, the supporting strength can be met, and the weight and the cost of the whole clamp can be reduced; the axial direction is the direction of the axes of the top plate 1 and the bottom plate 2, and the radial direction is the direction perpendicular to the axial direction; the connecting rod 5 is in rotary connection with the mounting plate 3 and the supporting arm 4, namely the mounting plate 3 and the supporting arm 4 are hinged through the connecting rod 5; when the mounting plate 3 moves close to the top plate 1 under the action of the driving mechanism, the belt can push the supporting arms 4 to move outwards along the radial direction through the connecting rods 5, and finally the supporting arms 4 are propped up in the stator to clamp the inner wall of the stator and then stop moving; when the mounting plate 3 moves close to the base plate 2, the arms 4 can be pulled to move inwards in the radial direction by the connecting rods 5, so that the stator is loosened.
Above-mentioned, guiding mechanism is including setting up the guide block 10 at arm 4 both ends, all is provided with the spout on roof 1 and the bottom plate 2, and the spout radially sets up, and the guide block 10 can slide to inlay in locating the spout. Specifically, the guide block 10 preferably adopts a convex structure, the chute adopts a concave structure, and the two structures are matched, so that the supporting arm 4 can be limited to move back and forth along the radial direction only, and the structure is more compact.
Further, in order to ensure that the mounting plate 3 can move along a specified direction, a guide rod 11 is arranged between the top plate 1 and the bottom plate 2, two ends of the guide rod 11 are fixedly connected with the top plate 1 and the bottom plate 2 respectively, and the guide rod 11 movably penetrates through the mounting plate 3. With this structure, the degree of freedom of the mounting plate 3 can be limited so that the mounting plate can reciprocate only in a predetermined direction while enhancing the connection strength between the top plate 1 and the bottom plate 2.
Furthermore, in order to avoid interference between the supporting arm 4 and the mounting plate 3 during the moving process, a plurality of openings may be formed on the mounting plate 3 for accommodating the supporting arm 4 in a contracted state; through the structure, the utilization rate of the whole space of the device can be improved, and the layout of the components is more compact and reasonable.
As shown in fig. 3, the driving mechanism includes a rotatable screw rod 6 and a nut 7 fixedly connected to one side of the mounting plate 3, one end of the screw rod 6 penetrates through the top plate 1 to be connected with the motor 9, and the other end penetrates through the mounting plate 3 and the bottom plate 2 in sequence and is screwed on the nut 7. The screw rod 6 is driven to rotate through the motor 9, and under the action of the screw nut 7 and the screw rod 6, the mounting plate 3 can do reciprocating linear motion along the axial direction of the screw rod 6, so that the automatic clamping function of the device is realized, one side of the bottom plate 2 is provided with a mounting seat, and one end of the screw rod 6 penetrating through the bottom plate 2 is arranged on the mounting seat so as to limit the screw rod to move along the axial direction and can smoothly rotate.
Above-mentioned, be provided with support 8 on roof 1, support 8 is used for installing motor 9 to the output of motor 9 links to each other with lead screw 6 through the shaft coupling. In order to further ensure the stability of the rotation of the screw rod 6, a speed reducer can be installed at the output end of the motor 9, the output end of the speed reducer is connected with the screw rod 6 through a coupler, the motor 9 is preferably a servo motor 9, the control precision of the servo motor 9 is higher, and after the speed reducer is used for reducing the speed, the output torque can be improved through reducing the rotating speed, so that the clamping force on the workpiece internal support is increased.
The connecting rods 5 of the fixture can be arranged in different numbers according to the requirement, such as three, four (shown in fig. 4), six and the like, and the connecting rods 5 are distributed on the mounting plate 3 in a circumferential array, so that the self-centering clamping of the workpiece can be realized.
Similarly, the fixture can be provided with different numbers of guide rods 11 as required, four guide rods 11 are preferably arranged (as shown in fig. 4), and the four guide rods 11 are arranged in a circumferential array between the top plate 1 and the bottom plate 2 and are staggered with the supporting arms 4; the mounting plate 3 is embedded with a bushing 12, and the guide rod 11 movably penetrates through the mounting plate 3 through the bushing 12, so that friction and abrasion of the guide rod 11 to the mounting plate 3 are reduced.
The clamping work for the stator is executed by utilizing the technical scheme disclosed by the utility model, and the specific working principle is as follows:
the top plate 1, the bottom plate 2, the mounting plate 3 and the screw rod 6 are coaxially arranged, and after the stator to be clamped is static, the device stretches into the stator along the axial direction; the motor 9 is started positively to drive the speed reducer to work, power torque is transmitted to the screw rod 6 through the coupler, and based on the mode that the screw rod 6 is connected with the nut 7 in a screwing way, the mounting plate 3 and the bushing 12 can be driven to move upwards along the guide rod 11, so that the supporting arm 4 and the guide block 10 are pushed by the connecting rod 5 to move outwards along the chute, finally, the supporting arm 4 is propped up in the stator to clamp the inner wall of the stator, then, the movement is stopped, the clamping action is finished, and the subsequent carrying work can be carried out; conversely, when the motor 9 is started in the reverse direction, the releasing operation of the clamp is performed in the same manner as in the foregoing principle.
In summary, the fixture can solve the problems of automatic transportation of the existing heavy-duty stator and inaccurate positioning of the stator during clamping, and is also suitable for heavy-duty workpieces clamped by other circumferential surfaces; and the positioning accuracy of the product can be improved.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. A full-automatic internal stay anchor clamps, its characterized in that: the device comprises a top plate (1), wherein a bottom plate (2) is arranged on one side of the top plate (1), and a mounting plate (3) and a driving mechanism for driving the mounting plate (3) to axially reciprocate are arranged between the bottom plate (2) and the top plate (1);
the mounting plate (3) is connected with a plurality of connecting rods (5), one end of each connecting rod (5) is connected with a supporting arm (4), two ends of each supporting arm (4) are provided with guide mechanisms, and the supporting arms (4) can synchronously expand and contract along with the reciprocating movement of the mounting plate (3) in the radial direction.
2. The fully automatic inner support clamp according to claim 1, wherein: the driving mechanism comprises a screw rod (6) capable of rotating and a nut (7) fixedly connected to one side of the mounting plate (3), one end of the screw rod (6) penetrates through the top plate (1) to be connected with the motor (9), and the other end of the screw rod penetrates through the mounting plate (3) and the bottom plate (2) in sequence and is screwed on the nut (7).
3. The fully automatic inner support clamp according to claim 2, wherein: the top plate (1) is provided with a support (8), the motor (9) is installed on the support (8), and the output end of the motor (9) is connected with the screw rod (6) through a coupler.
4. The fully automatic inner support clamp according to claim 1, wherein: four connecting rods (5) are arranged, the four connecting rods (5) are distributed in a circumferential array, one end of each connecting rod (5) is rotationally connected with the mounting plate (3), and the other end of each connecting rod is rotationally connected with the supporting arm (4).
5. The fully automatic inner support clamp according to claim 1, wherein: the guide mechanism comprises guide blocks (10) arranged at two ends of the supporting arms (4), sliding grooves are formed in the top plate (1) and the bottom plate (2), and the guide blocks (10) can be slidably embedded in the sliding grooves.
6. The fully automatic inner support clamp according to any one of claims 1-5, wherein: guide rods (11) are arranged between the top plate (1) and the bottom plate (2), two ends of each guide rod (11) are fixedly connected with the top plate and the bottom plate respectively, and the guide rods (11) movably penetrate through the mounting plate (3).
7. The fully automatic inner support clamp according to claim 6, wherein: four guide rods (11) are arranged, and the four guide rods (11) are distributed in a circumferential array; the mounting plate (3) is embedded with a bushing (12), and the guide rod (11) movably penetrates through the bushing (12) on the mounting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322245484.3U CN220787213U (en) | 2023-08-21 | 2023-08-21 | Full-automatic internal stay anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322245484.3U CN220787213U (en) | 2023-08-21 | 2023-08-21 | Full-automatic internal stay anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220787213U true CN220787213U (en) | 2024-04-16 |
Family
ID=90652669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322245484.3U Active CN220787213U (en) | 2023-08-21 | 2023-08-21 | Full-automatic internal stay anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220787213U (en) |
-
2023
- 2023-08-21 CN CN202322245484.3U patent/CN220787213U/en active Active
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