CN222818865U - Precision self-centering clamp mechanism - Google Patents
Precision self-centering clamp mechanism Download PDFInfo
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- CN222818865U CN222818865U CN202421801245.XU CN202421801245U CN222818865U CN 222818865 U CN222818865 U CN 222818865U CN 202421801245 U CN202421801245 U CN 202421801245U CN 222818865 U CN222818865 U CN 222818865U
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Abstract
本实用新型公开了精密自定心夹具机构，属于夹具技术领域，针对了定心过程精确度无法保证和无法进行高度调节的问题，包括安装板、底板和支撑柱，所述安装板上部设置有放置盘，所述放置盘底部固定连接有连接轴，所述连接轴底部于底板上部设置有提升机构，所述放置盘上设置有夹持机构并设于底板上部；本实用新型通过设置的夹持机构，在对轴类工件进行夹持过程中，能够快速便捷的对其进行自动定心工作，使其位于放置盘的中心，进而提高了其定心的精确性，以便于进行后续的加工工作，通过设置的提升机构，配合夹持机构对工件自动定心夹持后，能够调节其加工高度，以便于进行不同高度的加工工作，提高了装置的实用性。
The utility model discloses a precision self-centering clamp mechanism, which belongs to the technical field of clamps and aims at the problem that the accuracy of the centering process cannot be guaranteed and the height cannot be adjusted. The utility model comprises a mounting plate, a base plate and a support column, wherein a placement disk is arranged on the upper part of the mounting plate, a connecting shaft is fixedly connected to the bottom of the placement disk, a lifting mechanism is arranged on the bottom of the connecting shaft at the upper part of the base plate, and a clamping mechanism is arranged on the placement disk and arranged on the upper part of the base plate; the utility model can quickly and conveniently automatically center the shaft-type workpiece during the clamping process of the shaft-type workpiece by means of the provided clamping mechanism, so that the shaft-type workpiece is located at the center of the placement disk, thereby improving the accuracy of its centering, so as to facilitate subsequent processing; after the workpiece is automatically centered and clamped by means of the provided lifting mechanism in cooperation with the clamping mechanism, its processing height can be adjusted, so as to facilitate processing at different heights, thereby improving the practicability of the device.
Description
Technical Field
The utility model belongs to the technical field of clamps, and particularly relates to a precise self-centering clamp mechanism.
Background
The self-centering clamp is an efficient and accurate clamp device, is widely applied to multiple fields such as machining, assembly and detection, and automatically positions a workpiece at a central position by utilizing the characteristics of the workpiece under the action of the clamp, so that the position precision in the machining, assembly or detection process is ensured, and in the machining, the self-centering clamp can accurately clamp precise parts such as shafts, gears and the like, and the machining precision is ensured.
The self-centering automobile welding fixture mechanism comprises a workbench, wherein the top of the workbench is provided with a fixture mechanism, the fixture mechanism comprises a motor arranged at the top of the workbench, an output shaft of the motor is in transmission connection with a transmission rod, the outer surface of the transmission rod is fixedly connected with a driving gear, the outer surface of the driving gear is meshed with a driven gear, the middle of the driven gear is fixedly connected with a first threaded rod, the outer surface of the first threaded rod is in threaded connection with a movable frame, the middle of the driving gear is fixedly connected with a second threaded rod, the outer surface of the second threaded rod is in threaded connection with a connecting frame, and the front surface of the connecting frame is fixedly connected with a fixed rod. The self-centering automobile welding fixture mechanism is provided with the fixture mechanism, and the parts can be self-centered back and forth and left and right through the threaded rod, the movable frame and the fixed block, so that deviation caused by impact force of the parts during self-centering is reduced, the self-centering efficiency is improved, but the device still has the following defects that from practical point of view, the device cannot perform quick self-centering on shaft or tubular parts during machining, and therefore when the device clamps the workpieces, machining errors occur due to inaccurate centering, the machining quality is affected, and meanwhile, the parts during the machining clamping process cannot be adjusted in machining height, so that the practicability of the device is reduced.
Therefore, a precise self-centering fixture mechanism is needed, and the problems that the accuracy of a centering process in the prior art cannot be ensured and the height cannot be adjusted are solved.
Disclosure of utility model
The present utility model is directed to a precision self-centering fixture mechanism to solve the above-mentioned problems set forth in the background art.
In order to achieve the above purpose, the utility model provides the technical scheme that the precise self-centering fixture mechanism comprises a mounting plate, a bottom plate and a supporting column, wherein the mounting plate is fixedly connected to the upper part of the supporting column, the bottom plate is fixedly connected to the bottom of the supporting column, a placing disc is arranged on the upper part of the mounting plate, the bottom of the placing disc is fixedly connected with a connecting shaft, the connecting shaft is slidably arranged on the upper part of the mounting plate through a linear bearing, a lifting mechanism is arranged on the upper part of the bottom plate at the bottom of the connecting shaft, and a clamping mechanism is arranged on the placing disc and is arranged on the upper part of the bottom plate.
The clamping mechanism comprises a mounting seat, the mounting seat is fixedly connected to the upper portion of a bottom plate, a motor is fixedly mounted on the upper portion of the mounting seat, a driving gear is fixedly connected to the top end of the motor, a driven gear is arranged on the front side of the driving gear in a meshed mode, a fixed shaft is fixedly connected to the top of the driven gear, a shaft sleeve is rotatably mounted on the outer side of the fixed shaft and is fixedly connected to a mounting plate, the top end of the fixed shaft penetrates through the mounting plate through the shaft sleeve to be provided with a connecting rod fixedly connected with the top of one end of the fixed shaft, and a clamping rod is correspondingly arranged on a placing plate and provided with an adjusting port matched with the clamping rod.
In the scheme, the bottom end of the connecting shaft penetrates to the bottom of the mounting plate.
It is further worth to say that three adjusting ports are formed in the placing plate, three adjusting ports are arranged at intervals by taking the center of the placing plate as the center, and the adjusting ports are arranged in an arc shape.
It should be further noted that the clamping rods are provided with three through the adjusting ports, the three clamping rods are respectively connected with the three connecting rods, the three connecting rods are respectively connected with the three fixing shafts, the three fixing shafts are respectively installed on the mounting plate through shaft sleeves in a rotating mode and are evenly arranged, and the setting length of the clamping rods is larger than that of the connecting shafts.
As a preferred implementation mode, the lifting mechanism comprises a hydraulic telescopic rod, the lower part of the hydraulic telescopic rod corresponding to the connecting shaft is fixedly connected to the upper part of the bottom plate, the top end of the hydraulic telescopic rod is fixedly connected with a bearing seat, and the bearing seat is connected with the bottom end of the connecting shaft.
Compared with the prior art, the precise self-centering clamp mechanism provided by the utility model at least comprises the following beneficial effects:
(1) Through the fixture that sets up, carry out the centre gripping in-process to axle class work piece, can be quick convenient carry out automatic centering work to it, make it be located the center of placing the dish, and then improved the accuracy nature of its centering to carry out subsequent processing work.
(2) Through the elevating system who sets up, cooperation fixture is to the automatic centering centre gripping back of work piece, can adjust its processing height to carry out the processing work of co-altitude, improved the practicality of device.
Drawings
FIG. 1 is a schematic view of a first view structure according to the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a schematic view of a split structure of the present utility model;
Fig. 4 is a schematic view of a partially disassembled structure of the clamping mechanism of the present utility model.
1, A mounting plate, 2, a bottom plate, 3, a support column, 4, a placing plate, 401, a connecting shaft, 5, a clamping mechanism, 501, a mounting seat, 502, a motor, 503, a driving gear, 504, a driven gear, 505, a fixed shaft, 506, a connecting rod, 507, a clamping rod, 508, a shaft sleeve, 509, an adjusting port, 6, a lifting mechanism, 601, a hydraulic telescopic rod, 602 and a bearing seat.
Detailed Description
The utility model is further described below with reference to examples.
Referring to fig. 1-4, the utility model provides a precise self-centering fixture mechanism, which comprises a mounting plate 1, a bottom plate 2 and a support column 3, wherein the mounting plate 1 is fixedly connected to the upper part of the support column 3, the bottom plate 2 is fixedly connected to the bottom of the support column 3, a placing plate 4 is arranged on the upper part of the mounting plate 1, a connecting shaft 401 is fixedly connected to the bottom of the placing plate 4, the connecting shaft 401 is slidably mounted on the upper part of the mounting plate 1 through a linear bearing, a lifting mechanism 6 is arranged on the upper part of the bottom plate 2 at the bottom of the connecting shaft 401, and a clamping mechanism 5 is arranged on the placing plate 4 and is arranged on the upper part of the bottom plate 2.
Further, as shown in fig. 2, fig. 3 and fig. 4, it is worth specifically describing that the clamping mechanism 5 includes a mounting seat 501, the mounting seat 501 is fixedly connected to the upper portion of the bottom plate 2, a motor 502 is fixedly installed on the upper portion of the mounting seat 501, a driving gear 503 is fixedly connected to the top end of the motor 502, a driven gear 504 is arranged on the front side of the driving gear 503 in a meshed mode, a fixed shaft 505 is fixedly connected to the top of the driven gear 504, a shaft sleeve 508 is rotatably installed on the outer side of the fixed shaft 505 and is fixedly connected to the mounting plate 1, the top end of the fixed shaft 505 penetrates through the mounting plate 1 through the shaft sleeve 508 and is fixedly connected with a connecting rod 506, the top of one end of the connecting rod 506, which is far away from the fixed shaft 505, is fixedly connected with a clamping rod 507, the bottom of the mounting plate 1 is correspondingly provided with a regulating port 509 matched with the clamping rod, the bottom end of the connecting rod 507 is penetrated through the bottom of the mounting plate, three regulating ports 509 are formed in the mounting plate 4, the three regulating ports 509 are arranged at intervals by rotating 120 ° by taking the center of the mounting plate 4, the regulating port 509 is arranged in an arc, the regulating port 509 is arranged by three, the three clamping rods 507 are respectively connected with the three connecting rods 506 through the three connecting rods 506 respectively, the three connecting rods 506 are respectively connected with the three connecting rods 505, and are respectively connected to the three connecting rods 505 through the fixing shafts through the shaft shafts 508, and are respectively arranged in a length, and are respectively, and are uniformly connected to the length of the connecting shafts 401 through the connecting rods through the shaft shafts and by respectively, and are respectively, and the length, and are equal.
During the use, drive gear 503 rotation is driven through motor 502 operation to make drive gear 503 drive driven gear 504 rotate, and then realized the rotation of connecting rod 506, make the clamping lever 507 slide in adjustment port 509 under the rotation of connecting rod 506, and then make place dish 4 take place to rotate, thereby drive two other clamping levers 507 in adjustment port 509 through two other adjustment ports 509 and slide and through connecting rod 506 and fixed axle 505 in axle sleeve 508 internal rotation, thereby realized that clamping lever 507 is mutual to place the dish 4 center removal, thereby carry out centering operation to the work piece of placing in place dish 4 upper portion, make the center of work piece unanimous with the center of placing dish 4, in order to carry out the processing work.
According to the working process, the automatic centering work can be quickly and conveniently carried out on the shaft workpiece in the process of clamping the shaft workpiece through the clamping mechanism 5, so that the shaft workpiece is positioned at the center of the placing disc 4, and the centering accuracy is improved, so that the subsequent processing work is facilitated.
Further, as shown in fig. 2 and 3, it is worth specifically describing that the lifting mechanism 6 includes a hydraulic telescopic rod 601, the hydraulic telescopic rod 601 is fixedly connected to the upper portion of the bottom plate 2 corresponding to the lower portion of the connecting shaft 401, a bearing seat 602 is fixedly connected to the top end of the hydraulic telescopic rod 601, and the bearing seat 602 is connected to the bottom end of the connecting shaft 401.
During the use, through the operation of hydraulic telescoping rod 601 to promote connecting axle 401 to slide towards mounting panel 1 upper portion through bearing frame 602, and then promote the work piece to shift up through placing dish 4, so that adjust the processing height, improved the practicality of device.
The scheme comprises the following working processes: when the device is used, a workpiece to be processed is placed on the upper portion of the mounting plate 1, at the moment, the driving gear 503 is driven to rotate through the operation of the motor 502, so that the driving gear 503 drives the driven gear 504 to rotate, the driven gear 504 rotates to drive the fixed shaft 505 to rotate in the shaft sleeve 508, further rotation of the connecting rod 506 is achieved, the clamping rod 507 is arranged in the adjusting port 509, the clamping rod 507 slides in the adjusting port 509 under the rotation of the connecting rod 506, further the adjusting port 509 slides and presses the clamping rod 507 to enable the placing plate 4 to rotate, the placing plate 4 is arranged on the mounting plate 1 through the sliding of the connecting shaft 401 through the linear bearing, the bottom end of the connecting shaft 401 is connected with the bearing seat 602 and can rotate, further the placing plate 4 rotates, and further the other two clamping rods 507 are driven to slide in the adjusting port 509 through the connecting rod 506 and the fixed shaft 505 to rotate in the shaft sleeve 508, the center of the placing plate 4 is achieved, the workpiece placed on the upper portion of the placing plate 4 is centered, the center of the workpiece is enabled to be placed on the same as the placing plate 4 through the sliding shaft seat, the connecting shaft 401 is pushed by the sliding shaft 601, and the working performance of the connecting shaft is improved, and the processing device is convenient to process the workpiece on the mounting plate 1 through the sliding shaft 401.
In sum, the automatic centering work can be quickly and conveniently carried out in the process of clamping shaft workpieces through the clamping mechanism 5, so that the shaft workpieces are positioned in the center of the placing disc 4, the centering accuracy of the shaft workpieces is improved, subsequent machining work is facilitated, the machining height of the shaft workpieces can be adjusted after the shaft workpieces are automatically centered and clamped through the lifting mechanism 6 and the clamping mechanism 5, the machining work of different heights is facilitated, and the practicability of the device is improved.
Claims (5)
1. The precise self-centering clamp mechanism comprises a mounting plate (1), a bottom plate (2) and a support column (3), and is characterized in that the mounting plate (1) is fixedly connected to the upper portion of the support column (3), the bottom plate (2) is fixedly connected to the bottom of the support column (3), a placing disc (4) is arranged on the upper portion of the mounting plate (1), a connecting shaft (401) is fixedly connected to the bottom of the placing disc (4), the connecting shaft (401) is slidably mounted on the upper portion of the mounting plate (1) through a linear bearing, a lifting mechanism (6) is arranged on the bottom of the connecting shaft (401) on the upper portion of the bottom plate (2), and a clamping mechanism (5) is arranged on the placing disc (4) and is arranged on the upper portion of the bottom plate (2);
Clamping mechanism (5) are including mount pad (501), mount pad (501) fixedly connected with bottom plate (2) upper portion, mount pad (501) upper portion fixedly connected with motor (502), motor (502) top fixedly connected with driving gear (503), driving gear (503) front side meshing is provided with driven gear (504), driven gear (504) top fixedly connected with fixed axle (505), fixed axle (505) outside is rotated and is installed axle sleeve (508) and fixedly connected with on mounting panel (1), fixed axle (505) top runs through mounting panel (1) through axle sleeve (508) and sets up and fixedly connected with connecting rod (506), connecting rod (506) are kept away from fixed axle (505) one end top fixedly connected with clamping lever (507), clamping lever (507) correspond to be in and set up on placing dish (4) with its matched regulation mouth (509).
2. The precise self-centering fixture mechanism as claimed in claim 1, wherein the bottom end of the connecting shaft (401) penetrates to the bottom of the mounting plate (1).
3. The precise self-centering fixture mechanism of claim 1, wherein three adjusting ports (509) are formed in the placement plate (4), the three adjusting ports (509) are arranged at intervals by rotating (120) degrees with the center of the placement plate (4) as the center, and the adjusting ports (509) are arranged in an arc shape.
4. The precise self-centering fixture mechanism according to claim 1, wherein three clamping rods (507) are arranged through adjusting ports (509), the three clamping rods (507) are respectively connected with three connecting rods (506), the three connecting rods (506) are respectively connected with three fixed shafts (505), the three fixed shafts (505) are respectively rotatably arranged on the mounting plate (1) through shaft sleeves (508) and are uniformly arranged, and the length of the clamping rods (507) is longer than that of the connecting shafts (401).
5. The precise self-centering clamp mechanism according to claim 1, wherein the lifting mechanism (6) comprises a hydraulic telescopic rod (601), the hydraulic telescopic rod (601) is fixedly connected to the upper portion of the bottom plate (2) corresponding to the lower portion of the connecting shaft (401), a bearing seat (602) is fixedly connected to the top end of the hydraulic telescopic rod (601), and the bearing seat (602) is connected with the bottom end of the connecting shaft (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421801245.XU CN222818865U (en) | 2024-07-29 | 2024-07-29 | Precision self-centering clamp mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421801245.XU CN222818865U (en) | 2024-07-29 | 2024-07-29 | Precision self-centering clamp mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222818865U true CN222818865U (en) | 2025-05-02 |
Family
ID=95487161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421801245.XU Active CN222818865U (en) | 2024-07-29 | 2024-07-29 | Precision self-centering clamp mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222818865U (en) |
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2024
- 2024-07-29 CN CN202421801245.XU patent/CN222818865U/en active Active
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