Rotatable clamp for processing elevator spare and accessory parts
Technical Field
The utility model relates to the technical field of clamping of workpieces or cutters, in particular to a rotatable clamp for processing elevator spare and accessory parts.
Background
Since the elevator has various fittings, various types of jigs are required for clamping and fixing during processing, for example, the jigs are required for processing tubular fittings;
as in the prior published patent: CN212122403U discloses a rotatable fixture for processing elevator accessories, which not only avoids the damage of accessories, but also ensures the processing precision by sleeving a tubular accessory on a positioning column and then compacting;
however, in actual practice, the following problems are found in the prior art: the existing tubular fittings are different in size, so that the inner diameters of the tubular fittings are not uniform, and although the positioning columns are arranged to be replaceable in the prior art, when the tubular fittings with various different sizes are produced, workers need to constantly replace the corresponding positioning columns to ensure that the tubular fittings are stably machined, so that the workload of the workers is increased in the process of constantly replacing the positioning columns, the speed and the efficiency of clamping the tubular fittings are affected, and the speed of machining the elevator fittings is reduced.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a rotatable clamp for processing elevator accessories, which can solve the problems that when various tubular accessories with different sizes are produced, workers need to constantly replace corresponding positioning columns to ensure stable processing of the tubular accessories, so that the workload of the workers is increased in the process of constantly replacing the positioning columns, the speed and the efficiency of clamping the tubular accessories are influenced, and the processing speed of the elevator accessories is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the rotatable clamp for processing the elevator spare and accessory parts comprises a mounting seat, wherein the side surface of the mounting seat is rotationally connected with a rotary drum, eight arc clamping plates are arranged on the side surface of the rotary drum, the eight arc clamping plates are arranged on the side surface of the rotary drum in a mode of being two groups and being in a circumferential array, four communication sliding grooves in a circumferential array are formed in the side surface of the rotary drum, and the four communication sliding grooves are communicated with the inside of the rotary drum;
fixedly connected with connects the slide bar between the relative both sides inner wall of intercommunication spout, and one side fixedly connected with two sleeve plates that two arc splint are close to the rotary drum, and the opposite side of two sleeve plates all extends to in the rotary drum through the intercommunication spout, and two sleeve plate slip cap are established on connecting the surface of slide bar, are equipped with control mechanism in the rotary drum.
Preferably, the control mechanism comprises eight support plates, the eight support plates are fixedly connected to the inner wall of the rotary drum in a mode that two support plates are in a group and are in a circumferential array, the two support plates are fixedly connected to the inner wall of the rotary drum, a screw is rotationally connected between the two support plates, and a threaded sleeve is arranged on the outer surface of the screw.
Preferably, two rotating plates are rotatably connected to the outer surfaces of two opposite sides of the screw sleeve, two through grooves are formed in the supporting plate close to one side of the arc-shaped clamping plate, the other sides of the two rotating plates extend out of the supporting plate through the two through grooves respectively, the rotating plates are slidably connected with the through grooves, and one sides of the two rotating plates extending into the supporting plate are rotatably connected with the two sleeve plates respectively.
Preferably, one end of the screw far away from the arc-shaped clamping plate rotates to penetrate through the supporting plate, one end of the screw outside the supporting plate is fixedly connected with a first gear, the inner wall of one side of the rotary drum facing the arc-shaped clamping plate is rotationally connected with a rotary shaft, the other end of the rotary shaft is fixedly connected with a second gear, and the first gear is meshed with the second gear.
Preferably, the surface of rotary drum is equipped with the driving piece, and one side fixedly connected with connecting axle of driving piece towards the rotary drum, the other end rotation of connecting axle runs through into in the rotary drum, and the one end fixedly connected with conical gear that the connecting axle is located the rotary drum, the surface of pivot is fixed the cover equally and is equipped with conical gear, and two conical gears meshing are connected.
Preferably, friction layers are arranged on opposite surfaces of the two arc-shaped clamping plates.
Compared with the prior art, the utility model has the beneficial effects that:
(1) This rotatable clamp is used in elevator spare and accessory part processing carries out relative direction displacement through controlling two arc splint, just so can fix tubular accessory by arc splint, both avoided the damage of accessory, also ensured the precision of processing, this kind of mode does not need to change the reference column and just can form the support to tubular accessory simultaneously, has improved the efficiency when pressing from both sides tubular accessory, has reduced staff's operating procedure, has improved the speed when handling elevator spare and accessory part.
(2) This rotatable jig is used in elevator spare and accessory part processing through being equipped with control mechanism, can four sets of arc splint of synchronous control operate, need not the staff and just can accomplish tubular fitting centre gripping four times for the staff operates more portably, has reduced staff's working strength, has further improved the efficiency when handling elevator spare and accessory part.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic structural view of a rotatable fixture for processing elevator parts according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a drum of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is a partial front plan view of the internal structure of the drum of the present utility model.
Reference numerals: 1. a mounting base; 2. a rotating drum; 3. an arc clamping plate; 4. a communicating chute; 5. connecting a slide bar; 6. a sleeve plate; 7. a support plate; 8. a screw; 9. a screw sleeve; 10. a through groove; 11. a rotating plate; 12. a first gear; 13. a rotating shaft; 14. a second gear; 15. a driving member; 16. a connecting shaft; 17. a bevel gear.
Detailed Description
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an elevator is rotatable anchor clamps for spare and accessory part processing, including mount pad 1, the side rotation of mount pad 1 is connected with rotary drum 2, rotary drum 2's side is equipped with eight arc splint 3, eight arc splint 3 are with two for a set of and be circumference array's mode setting on rotary drum 2's side, four intercommunication spouts 4 that are circumference array have been seted up to rotary drum 2's side, four intercommunication spouts 4 all communicate with each other with rotary drum 2 inside simultaneously, four intercommunication spouts 4 are corresponding with four sets of arc splint 3's position, fixedly connected with connects slide bar 5 between the relative both sides inner wall of intercommunication spout 4, one side fixedly connected with two sleeve plates 6 that two arc splint 3 are close to rotary drum 2, the opposite side of two sleeve plates 6 all extends into rotary drum 2 through intercommunication spout 4, two sleeve plate 6 slip cap is established on connecting slide bar 5's surface, like this through driving two sleeve plates 6 and carrying out relative direction or when opposite direction displacement on connecting slide bar 5, two sleeve plate 6 have driven arc splint 3 in step, like this, when tubular fitting is located between two arc splint 3, through control two opposite direction clamp plate 3 carries out relative direction, the relative position of clamp plate 3 has just been avoided the relative position to change the tubular fitting part to take part, the step has been avoided like this, the step to have been processed, the tubular fitting part can not be damaged when the tubular fitting is processed, the step is finished, the work is finished, and the step is finished, and can be avoided when the fitting is finished, and the step is finished.
In this embodiment, the friction layers can be arranged on the opposite surfaces of the two arc clamping plates 3, so that the friction coefficient of the contact surface between the arc clamping plates 3 and the tubular fitting is increased, the friction force between the arc clamping plates 3 and the tubular fitting is improved, the problem of looseness between the arc clamping plates 3 and the tubular fitting is avoided as much as possible, and the stability of the mechanism in processing the tubular fitting is ensured.
Further, be equipped with four sets of control mechanism in the rotary drum 2, four sets of control mechanism are circumference array's mode setting in rotary drum 2, each set of control mechanism is corresponding with two arc splint 3, control mechanism includes two backup pads 7, two backup pads 7 fixed connection is on rotary drum 2 inner wall, rotate between two backup pads 7 and be connected with screw rod 8, the surface thread bush of screw rod 8 is equipped with swivel nut 9, rotate on the surface of swivel nut 9 opposite both sides and be connected with two rolling plates 11, two logical groove 10 have been seted up on backup pad 7 that are close to arc splint 3 one side, the opposite side of two rolling plates 11 extends backup pad 7 through two logical groove 10 respectively, rolling plate 11 and logical groove 10 sliding connection, one side that two rolling plates 11 extend into backup pad 7 is rotated with two sleeve plates 6 respectively and is connected, consequently, when rotatory through driving screw rod 8, swivel nut 9 is to the one side displacement of keeping away from arc splint 3, swivel nut 9 can form the pulling force to rolling plate 11, make two rolling plates 11 pull two sleeve plates 6 and carry out relative direction displacement, thereby make two rolling plates 11 to make two clamp sleeve plates 3 to make two clamp sleeve-shaped fitting parts and make two arc-shaped fitting parts and two arc-shaped 3 to make the displacement to be close to two arc splint 3 when the opposite to two arc splint 3.
Further, the one end that arc splint 3 was kept away from to screw rod 8 rotates and runs through out backup pad 7, the one end fixedly connected with first gear 12 that screw rod 8 is located outside backup pad 7, the rotary drum 2 is rotated on the one side inner wall that is connected with pivot 13 towards arc splint 3, the other end fixedly connected with second gear 14 of pivot 13, first gear 12 and second gear 14 meshing are connected, consequently, rotate through drive pivot 13, thereby second gear 14 synchromesh has transmitted first gear 12 and has rotated, can operate by four sets of arc splint 3 of synchromesh control through this kind of mode, it can accomplish tubular fitting centre gripping to do not need the staff to operate four times, make the staff operate more portably, the effort of staff has been reduced, further the efficiency when processing elevator spare and accessory has been improved.
Further, the outer surface of the rotary drum 2 is provided with a driving piece 15, one side of the driving piece 15 facing the rotary drum 2 is fixedly connected with a connecting shaft 16, the other end of the connecting shaft 16 rotates and penetrates into the rotary drum 2, one end of the connecting shaft 16 positioned in the rotary drum 2 is fixedly connected with a bevel gear 17, the outer surface of the rotary shaft 13 is fixedly sleeved with the bevel gear 17, the two bevel gears 17 are in meshed connection, and in this way, the connecting shaft 16 is driven to rotate through the driving piece 15, and the two bevel gears 17 are meshed and transmitted to enable the rotary shaft 13 to rotate.
In this embodiment, the driving member 15 is a manual driving member such as a rotary handle, and in other embodiments, in order to reduce the workload of a worker, the driving member 15 may be set as a servo motor, so that an output shaft of the servo motor is fixed with the connecting shaft 16, and the connecting shaft 16 may be synchronously driven to rotate by the servo motor, so that the connecting shaft 16 does not need to be manually controlled to rotate, and the workload of the worker is further reduced.
Working principle: when the device is used, the connecting shaft 16 is driven to rotate through the driving piece 15, the two bevel gears 17 are meshed and driven to enable the rotating shaft 13 to rotate, the second gear 14 is synchronously meshed and driven to enable the first gear 12 to rotate, the screw rod 8 is synchronously driven to rotate, the threaded sleeve 9 is driven to displace under the driving of the thread teeth of the screw rod 8, when the threaded sleeve 9 is displaced to one side far away from the arc-shaped clamping plates 3, the threaded sleeve 9 can form pulling force on the rotating plates 11, the two rotating plates 11 pull the two sleeve plates 6 to displace in the opposite direction, so that the two arc-shaped clamping plates 3 clamp pipe fittings, when the threaded sleeve 9 is displaced to one side close to the arc-shaped clamping plates 3, the threaded sleeve 9 can form pushing force on the rotating plates 11, and the two rotating plates 11 push the two sleeve plates 6 to displace in opposite directions, so that the two arc-shaped clamping plates 3 are not clamped on the pipe fittings.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.