CN215709958U - Rotary grabbing device - Google Patents
Rotary grabbing device Download PDFInfo
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- CN215709958U CN215709958U CN202122062870.XU CN202122062870U CN215709958U CN 215709958 U CN215709958 U CN 215709958U CN 202122062870 U CN202122062870 U CN 202122062870U CN 215709958 U CN215709958 U CN 215709958U
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- clamping jaw
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Abstract
The invention provides a rotary grabbing device, which comprises a slide rail, a base and a height adjusting mechanism, wherein the slide rail is vertically arranged, the base is vertically and slidably arranged on the slide rail, and the height adjusting mechanism drives the base to move along the slide rail; a rotating shaft is rotatably arranged on the base, a clamping arm is fixed at the lower end of the rotating shaft, and a clamping jaw assembly is arranged at the lower part of the clamping arm; a rotary driving mechanism is arranged on the base, a first synchronous belt wheel is arranged at the output shaft end of the driving mechanism, a second synchronous belt wheel is arranged on the rotary shaft, and power transmission is realized between the first synchronous belt wheel and the second synchronous belt wheel through a synchronous belt; the baffle is installed to the rotation axis lower extreme, and this baffle corresponds each clamping jaw in the clamping jaw subassembly and is equipped with the spacing groove respectively, and clamping jaw lower extreme demountable installation has the chuck, and the chuck stretches out the baffle downwards. The invention has the advantages that the position for clamping the workpiece is easy to control, the condition that the workpiece is covered by too much clamping jaws to shield a machining area is avoided, meanwhile, the position of the workpiece is not required to be adjusted too much, the automation degree is high, and the machining quality is guaranteed.
Description
Technical Field
The invention belongs to the technical field of processing auxiliary equipment, and particularly relates to a rotary grabbing device.
Background
The workpiece grabbing device is generally used for realizing actions of workpiece moving, sorting, processing and the like, the traditional grabbing device can only complete grabbing and moving actions and cannot adjust the direction of a workpiece, and due to the limited structure, although part of mechanical arms can realize rotation adjustment of the workpiece, the equipment use cost is high, the product processing cost is too high, meanwhile, free rotation control of the workpiece is difficult to realize, and the workpiece grabbing device cannot be well matched with processing modes such as workpiece spraying and the like. Therefore, the existing grabbing device has large limitation and poor universality. In particular, it is inconvenient to control the rotation of the workpiece. Simultaneously, when snatching the work piece, the position of centre gripping work piece is not good to be controlled, and the centre gripping position is too close to the work piece upper end, is unfavorable for removing the stability of work piece in-process, and the centre gripping work piece position is too leaned on down, then shelters from the machined surface easily, leads to the unable processing operation that carries on of follow-up, influences processingquality. If the clamping position of the workpiece is adjusted, the machining efficiency is greatly influenced, the operation difficulty is high, and the control is not easy. Accordingly, there is a need for improvements to existing work piece gripping apparatus.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a rotary grabbing device.
In order to solve the technical problems, the technical scheme created by the invention is realized as follows:
a rotary grabbing device comprises a slide rail, a base and a height adjusting mechanism, wherein the slide rail is vertically arranged, the base is vertically and slidably mounted on the slide rail, and the height adjusting mechanism drives the base to move along the slide rail;
a rotating shaft is rotatably arranged on the base, a clamping arm is fixed at the lower end of the rotating shaft, and a clamping jaw assembly is arranged at the lower part of the clamping arm; a rotary driving mechanism is arranged on the base, a first synchronous belt wheel is arranged at the output shaft end of the driving mechanism, a second synchronous belt wheel is arranged on the rotary shaft, and power transmission is realized between the first synchronous belt wheel and the second synchronous belt wheel through a synchronous belt;
the baffle is installed to the rotation axis lower extreme, and each clamping jaw that this baffle corresponds in the clamping jaw subassembly is equipped with the spacing groove respectively, clamping jaw lower extreme demountable installation has the chuck, and the chuck stretches out the baffle downwards.
Furthermore, the clamping jaw assembly also comprises a driving mechanism for driving the clamping jaws to open and close.
Further, the driving mechanism adopts a clamping jaw air cylinder.
Further, the slide rails are arranged side by side twice.
Further, the height adjusting mechanism comprises a vertically arranged adjusting cylinder, and the adjusting cylinder adopts an electric cylinder, an air cylinder or a hydraulic cylinder.
Further, the base comprises a back plate and a supporting plate vertically fixed on the back plate, and a reinforced vertical plate is arranged between the supporting plate and the back plate; the rotating shaft is rotatably installed on the supporting plate, and the back plate is in sliding fit with the sliding rail.
Further, the chuck includes installation department and the clamping part of installation department lower extreme, is equipped with the clamping face at the clamping part inboard.
The invention has the advantages and positive effects that:
the workpiece clamping device is compact in structure, when the workpiece is grabbed, the position of the workpiece does not need to be adjusted too much, the position for clamping the workpiece is easy to control, the situation that the workpiece is covered by too much clamping jaws to shield a machining area is avoided, the workpiece is convenient to machine, when the orientation of the workpiece needs to be adjusted, the rotating shaft is driven to rotate by the rotary driving mechanism, the automation degree is high, and the machining quality of a product is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of the invention;
FIG. 2 is a schematic view of the base and the part mounted to the base part in the invention;
figure 3 is a schematic view of a jaw assembly portion of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable 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 creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the embodiments of the invention is provided.
A rotary grabbing device is shown in figures 1 to 3 and comprises a slide rail 1 which is vertically arranged, a base 2 which is vertically and slidably arranged on the slide rail, and a height adjusting mechanism 3 which drives the base to move along the slide rail; generally, the sliding rails are arranged in parallel, so that the structural stability is better. The height adjusting mechanism comprises a vertically arranged adjusting cylinder, and the adjusting cylinder adopts an electric cylinder, an air cylinder or a hydraulic cylinder.
A rotating shaft 4 is rotatably arranged on the base, a clamping arm 5 is fixed at the lower end of the rotating shaft, and a clamping jaw assembly 6 is arranged at the lower part of the clamping arm; the base is provided with a rotary driving mechanism 7, the output shaft end of the driving mechanism is provided with a first synchronous belt wheel 8, the rotating shaft is provided with a second synchronous belt wheel 9, and power transmission is realized between the first synchronous belt wheel and the second synchronous belt wheel through a synchronous belt 10.
Baffle 11 is installed to the rotation axis lower extreme, and this baffle corresponds each clamping jaw in the clamping jaw subassembly and is equipped with spacing groove 12 respectively, clamping jaw lower extreme demountable installation has chuck 13, and the chuck stretches out the baffle downwards. Typically, the jaw assembly further includes a drive mechanism 16 for driving the jaws open and closed. By way of example, the drive mechanism described above employs a gripper cylinder. In an alternative embodiment, the baffles are height-adjustably mounted on the rotating shaft. By way of example, the middle of the apron can be fitted with a sleeve which is screwed onto the clamping arm, the height of the apron being adjustable by screwing. Typically, the lower edge of the sleeve does not protrude above the lower surface of the baffle.
In an alternative embodiment, the base comprises a back plate 14 and a support plate 15 vertically fixed on the back plate, and a reinforced vertical plate 24 is arranged between the support plate and the back plate; the rotating shaft is rotatably installed on the supporting plate, and the back plate is in sliding fit with the sliding rail.
The chuck includes a mounting portion 17 and a clamping portion 18 at a lower end of the mounting portion, and a clamping surface 19 is provided inside the clamping portion. The mounting portion is provided with a connecting hole, the clamping jaw is provided with a fixing hole corresponding to the connecting hole, and the clamping head is fixed by screwing and fixing the clamping head after a connecting piece (such as a screw) penetrates through the connecting hole. Preferably, the connecting hole is provided with a sinking platform structure, and the nut part of the connecting piece is sunk into the sinking platform, so that the interference condition is avoided. The novel chuck can be replaced according to the abrasion condition of the chuck, different chucks can be replaced according to different workpiece appearances, the adaptability is strong, the universality is good, and the stability of clamping workpieces is guaranteed.
In an alternative embodiment, the rotating shaft is of a hollow structure, a mandrel penetrates through the center of the rotating shaft, and the mandrel is driven by the clamping jaw air cylinder to slide up and down along the inner cavity of the rotating shaft. The clamping jaw assembly comprises a mounting seat 20, the mounting seat is sleeved on the clamping arm, the upper end of the clamping jaw is hinged with an upper connecting rod 21, the lower end of the clamping jaw is hinged with a lower connecting rod 22, the upper connecting rod and the lower connecting rod are respectively hinged on the mounting seat, the lower end of the mandrel is hinged with an auxiliary connecting rod 23, the upper end of the auxiliary connecting rod is hinged in the middle of the lower connecting rod, and when the clamping jaw cylinder drives the mandrel 25 to move up and down, the auxiliary connecting rod can pull the lower connecting rod to rotate, so that the opening and closing actions of the clamping jaw are realized. Of course, it is also feasible for a person skilled in the art to adopt conventional technical means to design the clamping jaws into other structural forms, and in the invention, the clamping jaws can be controlled to clamp the workpiece, and when the workpiece needs to be put down, the clamping jaws can be loosened to put down the workpiece.
The clamping device is compact in structure, when a workpiece is grabbed, the base is driven to move downwards through the height adjusting mechanism, and when the baffle abuts against the upper end of the workpiece, the clamping jaws are tightened to clamp the workpiece. After the workpiece is clamped and fixed by the clamping jaws, the base is controlled to move upwards through the height adjusting mechanism, so that the clamping jaw assembly moves upwards, the workpiece is lifted, and corresponding machining operation is carried out. When the orientation of the workpiece needs to be adjusted, the rotating shaft is driven to rotate through the rotating driving mechanism, and the rotating driving mechanism preferably adopts a servo motor, so that the control of the rotating angle and the rotating speed is easy. For example, during paint spraying, after the workpiece is aligned with the spray gun, the rotary driving mechanism is started to enable the workpiece to rotate at a constant speed, and the purpose of high-quality spraying is achieved.
The clamping device is used for grabbing a workpiece, the clamping position (the contact position of the clamping jaw and the workpiece) is easy to control, the situation that the clamping jaw covers the workpiece too much to shield a machining area is avoided, the workpiece is convenient to machine and process, the clamping process does not need to adjust the position of the workpiece too much, the automation degree is high, and the machining quality is guaranteed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A rotary gripping device, characterized in that: the device comprises a slide rail which is vertically arranged, a base which is arranged on the slide rail in an up-down sliding manner, and a height adjusting mechanism which drives the base to move along the slide rail;
a rotating shaft is rotatably arranged on the base, a clamping arm is fixed at the lower end of the rotating shaft, and a clamping jaw assembly is arranged at the lower part of the clamping arm; a rotary driving mechanism is arranged on the base, a first synchronous belt wheel is arranged at the output shaft end of the driving mechanism, a second synchronous belt wheel is arranged on the rotary shaft, and power transmission is realized between the first synchronous belt wheel and the second synchronous belt wheel through a synchronous belt;
the baffle is installed to the rotation axis lower extreme, and each clamping jaw that this baffle corresponds in the clamping jaw subassembly is equipped with the spacing groove respectively, clamping jaw lower extreme demountable installation has the chuck, and the chuck stretches out the baffle downwards.
2. A rotary gripping apparatus according to claim 1, wherein: the clamping jaw assembly further comprises a driving mechanism for driving the clamping jaws to open and close.
3. A rotary gripping apparatus according to claim 2, wherein: the driving mechanism adopts a clamping jaw air cylinder.
4. A rotary gripping apparatus according to claim 1, wherein: the slide rails are arranged in parallel twice.
5. A rotary gripping apparatus according to claim 1, wherein: the height adjusting mechanism comprises a vertically arranged adjusting cylinder, and the adjusting cylinder adopts an electric cylinder, an air cylinder or a hydraulic cylinder.
6. A rotary gripping apparatus according to claim 1, wherein: the base comprises a back plate and a supporting plate vertically fixed on the back plate, and a reinforced vertical plate is arranged between the supporting plate and the back plate; the rotating shaft is rotatably installed on the supporting plate, and the back plate is in sliding fit with the sliding rail.
7. A rotary gripping apparatus according to claim 1, wherein: the chuck comprises an installation part and a clamping part at the lower end of the installation part, and a clamping surface is arranged on the inner side of the clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122062870.XU CN215709958U (en) | 2021-08-30 | 2021-08-30 | Rotary grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122062870.XU CN215709958U (en) | 2021-08-30 | 2021-08-30 | Rotary grabbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215709958U true CN215709958U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122062870.XU Active CN215709958U (en) | 2021-08-30 | 2021-08-30 | Rotary grabbing device |
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| CN (1) | CN215709958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258653A (en) * | 2022-07-19 | 2022-11-01 | 深圳市博辉特科技有限公司 | Cavity snatchs mechanism perpendicularly |
-
2021
- 2021-08-30 CN CN202122062870.XU patent/CN215709958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258653A (en) * | 2022-07-19 | 2022-11-01 | 深圳市博辉特科技有限公司 | Cavity snatchs mechanism perpendicularly |
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