Clamping assembly of drilling and tapping machine
Technical Field
The utility model relates to the technical field of drilling and tapping machines, in particular to a clamping assembly of a drilling and tapping machine.
Background
The drilling and tapping machine is a metal cutting machine tool, is mainly used for machining internal threads, screws or tooth buckles on the inner side surfaces of holes of parts with through holes or blind holes of different specifications, such as machine part shells, equipment end surfaces, nuts, flanges and the like, is high-efficiency, precise and automatic machining equipment, can be used for manufacturing various parts, such as engines, aircraft structural parts, wire and cable accessories and the like, is widely applied in the field of manufacturing, and is an indispensable part in the modern process of manufacturing industry.
In the prior art, two or more clamping plates which can move are arranged on a placing plate of the drilling and tapping machine, when the clamping plates are clamped, the clamping plates are driven to move relatively, so that the workpiece is clamped and limited, but the surfaces of the clamping plates of part of the drilling and tapping machine are relatively flat, when the workpiece with undulating appearance is clamped, the contact area between the clamping plates and the workpiece is small, and the firmness of clamping is affected.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the clamping assembly of the drilling and tapping machine, the clamping plate can be adaptively adjusted according to different shapes of workpieces, so that the contact area between the clamping assembly and the workpieces is larger, the clamping is firmer, the stability of the working process of the drilling and tapping machine is improved, and the problems in the background technology can be effectively solved.
In order to achieve the aim, the utility model provides the technical scheme that the clamping component of the drilling and tapping machine comprises a placing plate and a clamping plate;
The left end and the right end of the upper surface of the placing plate are respectively provided with a chute;
The clamping plate comprises a sliding plate, a guide post, a first clamping plate, a second clamping plate and a frame plate, wherein the sliding plate is respectively and transversely connected to the inside of the sliding groove in a sliding manner, the guide post is transversely connected to the middle of the sliding plate in a sliding manner, the first clamping plate is arranged at one end, close to the transverse center of the placing plate, of the guide post, the frame plate is transversely connected to the outer side face of the sliding plate in a sliding manner, the second clamping plate is rotatably connected between the frame plate and the adjacent first clamping plate, the second clamping plate and the first clamping plate are matched and installed, and the clamping plates can be adjusted in a self-adaptive manner according to the shape of a workpiece by utilizing relative rotation between the clamping plates, so that the contact area between the clamping assembly and the workpiece is larger, clamping is firmer, and the stability of the drilling tapping machine working process is improved.
Further, the clamping plate further comprises a sliding column and a first spring, the sliding columns are respectively and transversely connected in sliding holes on the surface of the sliding plate in a sliding mode, top plates are arranged between two sliding column ends corresponding to the vertical positions, the first springs are respectively arranged between the top plates and the sliding plate, the first springs are respectively and movably sleeved on the outer cambered surfaces of the sliding columns, and the first springs are used for providing power for elastic clamping of workpieces.
Further, the clamping plate further comprises a second spring, the second spring is respectively arranged between the first clamping plate and the sliding plate, the second spring is respectively movably sleeved on the outer cambered surface of the guide post, and the position of the first clamping plate is limited.
Further, the clamping plate further comprises round tubes, the round tubes are respectively arranged on the outer side faces of the two clamping plates which are opposite to each other, and the springs are located in the round tubes and are convenient to rigidly clamp the workpiece.
Further, the front end and the back end of the first clamping plate and the surface of the second clamping plate are respectively provided with a connecting column, the surface of the second clamping plate is respectively provided with a connecting chute, the connecting columns respectively slide inside the adjacent connecting chutes, the second clamping plate is respectively connected with the frame plate in a rotating way through a rotating shaft, and a rotating support is provided for the relative rotation of the second clamping plate and the first clamping plate.
Further, the screw is rotationally connected between the left end and the right end of the placing plate, the screw threads at the left end and the right end of the screw are opposite in direction, and the sliding plates are in threaded connection with the screw, so that the two sliding plates can move relatively conveniently.
Further, the rubber pads are arranged on the surface of the whole body formed by the first clamping plate and the second clamping plate corresponding to the longitudinal position, and friction force of the surface of the clamping plate is increased.
Compared with the prior art, the utility model has the beneficial effects that:
The clamping plates can be adjusted in a self-adaptive manner according to the shape of the workpiece by utilizing the relative rotation between the clamping plates, so that the contact area between the clamping assembly and the workpiece is larger, the clamping is firmer, and the stability of the drilling and tapping machine in the working process is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the exploded construction of the integral device portion of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
fig. 4 is a schematic diagram of a front cross-section of a clamping plate according to the present utility model.
In the figure, a placing plate 1, a sliding groove 2, a clamping plate 3, a sliding plate 31, a guide post 32, a clamping plate 33, a clamping plate 34, a frame 35, a sliding post 36, a spring 37, a spring 38, a round tube 39, a connecting post 4, a connecting sliding groove 5, a screw 6 and a rubber pad 7 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present embodiment provides a technical solution that a clamping assembly of a drilling and tapping machine includes a placement plate 1 and a clamping plate 3, wherein both left and right ends of an upper surface of the placement plate 1 are provided with sliding grooves 2, so as to provide a space for installing the clamping plate 3.
The clamping plate 3 comprises a sliding plate 31, a guide post 32, a clamping plate I33, a clamping plate II 34 and a frame plate 35, wherein the sliding plate 31 is respectively and transversely connected to the inside of the sliding groove 2 in a sliding manner, the guide post 32 is respectively and transversely connected to the middle part of the sliding plate 31, the clamping plate I33 is respectively and transversely arranged at one end of the guide post 32 close to the transverse center of the placing plate 1, the frame plate 35 is respectively and transversely connected to the outer side surface of the sliding plate 31, the clamping plate II 34 is respectively and rotatably connected between the frame plate 35 and the adjacent clamping plate I33, the clamping plate II 34 and the clamping plate I33 are cooperatively arranged and can both slide and rotate, the clamping plate 3 also comprises a sliding post 36 and a spring I37, the sliding posts 36 are respectively and transversely connected to sliding holes on the surface of the sliding plate 31, a top plate is respectively arranged between the two sliding post 36 ends corresponding to the vertical positions, the spring I37 is respectively and movably sleeved on the outer cambered surface of the sliding post 36, the clamping plate 3 also comprises a spring II 38, the spring II 38 is respectively arranged between the clamping plate I33 and the sliding plate 31, and the spring II 38 is respectively and movably sleeved on the outer cambered surface of the guide post 32; the clamping plate 3 further comprises a round tube 39, the round tube 39 is respectively arranged on the outer side surfaces of the two clamping plates 33 which are opposite, the spring II 38 is positioned in the round tube 39, connecting posts 4 are respectively arranged at the front end and the rear end of the clamping plate 33 and the surface of the clamping plate II 34, connecting sliding grooves 5 are respectively arranged on the surface of the clamping plate II 34, the connecting posts 4 respectively slide inside the adjacent connecting sliding grooves 5, the clamping plate II 34 is respectively and rotatably connected with the frame plate 35 through rotating shafts, the clamping plate I33 is respectively and rotatably connected with the frame plate 35 through three clamping plates II 34, the adjacent two clamping plates II 34 both rotate and slide, when the two sliding plates 31 relatively move, the two frame plates 35 are driven to relatively move through the elastic connection of the spring II 38 and the spring I37, when the first clamping plate 33 contacts with a workpiece, the elastic force of the second spring 38 is overcome along with the continuous movement of the sliding plate 31, the guide post 32 and the sliding plate 31 relatively slide, meanwhile, according to the appearance of the workpiece, the first clamping plate 33 and the second clamping plate 34 relatively rotate, the connecting post 4 both slides and rotates in the connecting chute 5, the second clamping plate 34 is attached to the surface of the workpiece, after the sliding plate 31 contacts with the round tube 39, the workpiece is rigidly clamped by the first clamping plates 33 under the support of the round tube 39, meanwhile, under the elastic force of the first spring 37, the top plate at the end of the sliding post 36 applies an acting force to the second clamping plates 34, the workpiece is elastically clamped by the second clamping plates 34 corresponding to the transverse position, the friction force between the workpiece and the clamping part is increased, the clamping firmness is improved, the screw 6 is rotationally connected between the left end and the right end of the placing plate 1, the screw threads at the left end and the right end of the screw 6 are opposite, the sliding plate 31 is in threaded connection with the screw 6, the two sliding plates 31 are conveniently moved relatively, the surfaces formed by the second clamping plates 34 corresponding to the longitudinal position, the clamping plates 33 are both provided with rubber pads 7, and the friction force is increased.
The working principle of the utility model is as follows:
In the use process of the drilling tapping machine, a workpiece is placed between two clamping plates 33, a screw rod 6 is rotated, the screw rod 6 is connected with a sliding plate 31 through threads, under the limit of a sliding groove 2, the two sliding plates 31 are enabled to move relatively under the opposite influence of the directions of the threads at the left end and the right end of the screw rod 6, the two clamping plates 31 are driven to move relatively through elastic connection of a spring II 38 and a spring I37, after the clamping plate I33 is contacted with the workpiece, the elastic force of the spring II 38 is overcome along with the continuous movement of the sliding plate 31, a guide post 32 and the sliding plate 31 slide relatively, meanwhile, according to the appearance of the workpiece, the clamping plate I33 and the clamping plate II 34 rotate relatively, a connecting post 4 slides and rotates in a connecting sliding groove 5, so that the clamping plate II 34 is attached to the surface of the workpiece, under the supporting of a circular tube 39, the supporting of the sliding plate 31 is enabled to apply acting force to the clamping plate II 34 under the elastic action of the spring I37, the corresponding two clamping plates 34 are enabled to carry out elastic clamping on the workpiece by the top plate II, and the friction force between the workpiece and a clamping part is increased.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.