Clamping assembly of drilling and tapping machine

Abstract

The utility model discloses a clamping assembly of a drilling and tapping machine. The clamping assembly comprises a containing plate and a clamping plate. Sliding grooves are formed in the left and right ends of the upper surface of the placement plate; the clamping plates comprise sliding plates, guide columns, first clamping plates, second clamping plates and frame plates, the sliding plates are transversely and slidably connected to the interiors of the sliding grooves correspondingly, the guide columns are transversely and slidably connected to the middles of the sliding plates correspondingly, and the first clamping plates are arranged at the ends, close to the transverse center of the containing plate, of the guide columns correspondingly; a second clamping plate is rotationally connected between the frame plate and the adjacent first clamping plate, and the second clamping plate and the first clamping plate are installed in a matched mode. According to the clamping assembly of the drilling and tapping machine, by means of relative rotation between the clamping plates, the clamping plates can be adjusted in a self-adaptive mode according to different shapes of workpieces, the contact area between the clamping assembly and the workpieces is larger, clamping is firmer, and the stability of the drilling and tapping machine in the working process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drilling and tapping machine technical field, concretely is a kind of clamping assembly of drilling and tapping machine. BACKGROUND

[0002] Drilling and tapping machine is a metal cutting machine tool, mainly used in the inside of the hole of various parts with different specifications of through hole or blind hole, such as machine shell, equipment end face, nut, flange plate, etc. Internal thread, screw or toothed buckle is processed, it is a kind of efficient, precision, automatic processing equipment, can be used to manufacture various parts, such as engine, aircraft structure parts, wire and cable fittings, etc., it obtains more and more extensive application in manufacturing industry field, is an indispensable part in the modernization process of manufacturing industry.

[0003] In the use process of drilling and tapping machine, in order to avoid the position change of workpiece in the machining process, guarantee the quality of processing, need to use the clamping assembly on drilling and tapping machine to clamp workpiece;In prior art, two or more than two movable clamping plates are provided on the placing plate of drilling and tapping machine, during clamping, the relative movement of clamping plate is driven, and the workpiece is clamped and limited by the cooperation between clamping plates, but the surface of part of clamping plate of drilling and tapping machine is relatively flat, when clamping some workpieces with undulating shape, the contact area between clamping plate and workpiece is small, which affects the firmness of clamping. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a clamping assembly of drilling and tapping machine, the clamping plate can be self-adaptively adjusted according to the different shapes of workpiece, so that the contact area between clamping assembly and workpiece is larger, clamping is more firm, the stability of drilling and tapping machine working process is improved, and the problems in the background art can be effectively solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a clamping assembly of drilling and tapping machine, including placing plate and clamping plate;

[0006] The upper surface of the placing plate is provided with a sliding groove at left and right ends;

[0007] The clamping plate includes sliding plate, guide column, clamping plate one, clamping plate two and frame plate, the sliding plate is respectively connected to the inside of sliding groove in transverse sliding, the middle part of sliding plate is connected with guide column in transverse sliding, one end of guide column near the horizontal center of placing plate is equipped with clamping plate one, the outside of sliding plate is connected with frame plate in transverse sliding, frame plate and adjacent clamping plate one are connected with clamping plate two in rotation, clamping plate two and clamping plate one are installed in cooperation, the relative rotation between clamping plates is utilized, so that clamping plate can be self-adaptively adjusted according to the different shapes of workpiece, so that the contact area between clamping assembly and workpiece is larger, clamping is more firm, and the stability of drilling and tapping machine working process is improved.

[0008] Further, the clamping plate further comprises slide columns and springs, the slide columns are respectively transversely and slidingly connected in slide holes on the surface of the slide plate, and a top plate is arranged between the two end heads of the slide columns in vertical position, a spring is arranged between the top plate and the slide plate, the spring is movably sleeved on the outer arc surface of the slide column, and the spring provides power for the elastic clamping of the workpiece.

[0009] Further, the clamping plate further comprises springs, the springs are arranged between the clamping plate and the slide plate, and the springs are movably sleeved on the outer arc surface of the guide column, so that the position of the clamping plate is limited.

[0010] Further, the clamping plate further comprises circular tubes, the circular tubes are arranged on the outer sides of the two clamping plates, and the springs are located in the circular tubes, so that the workpiece is clamped rigidly.

[0011] Further, the front and rear ends of the clamping plate and the surface of the clamping plate are provided with connecting columns, the surface of the clamping plate is provided with connecting sliding grooves, the connecting columns are slidingly arranged in the connecting sliding grooves, and the clamping plate is rotatably connected with the frame plate through the rotating shaft, so that the relative rotation of the clamping plate and the clamping plate is supported.

[0012] Further, the left and right ends of the placing plate are rotatably connected with screw rods, the screw threads of the left and right ends of the screw rods are opposite, and the slide plates are screw-connected with the screw rods, so that the relative movement of the two slide plates is facilitated.

[0013] Further, the surface of the whole formed by the clamping plate and the clamping plate in vertical position is provided with rubber pads, and the friction of the surface of the clamping plate is increased.

[0014] Compared with the prior art, the clamping plate has the advantages that:

[0015] The relative rotation between the clamping plates can be utilized to adaptively adjust the clamping plate according to the different shapes of the workpiece, the contact area between the clamping assembly and the workpiece is larger, the clamping is more firm, and the stability of the working process of the drilling and tapping machine is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is an exploded structural schematic diagram of the whole device part of the utility model;

[0018] Figure 3 It is an enlarged structural schematic diagram of A of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the clamping plate in the front view.

[0020] In the figure: 1 placing plate, 2 sliding groove, 3 clamping plate, 31 sliding plate, 32 guide column, 33 clamping plate one, 34 clamping plate two, 35 frame plate, 36 sliding column, 37 spring one, 38 spring two, 39 round pipe, 4 connecting column, 5 connecting sliding groove, 6 screw rod, 7 rubber pad. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 The embodiment provides a technical scheme: a clamping assembly of a drilling and tapping machine, which comprises a placing plate 1 and a clamping plate 3. The upper surface of the placing plate 1 is provided with a sliding groove 2 at both left and right ends, so as to provide space for installation of the clamping plate 3.

[0023] The clamping plate 3 comprises a sliding plate 31, a guide column 32, a clamping plate one 33, a clamping plate two 34 and a frame plate 35, the sliding plate 31 is transversely and slidingly connected to the inside of the sliding groove 2 respectively, the middle part of the sliding plate 31 is transversely and slidingly connected with the guide column 32, the guide column 32 is provided with the clamping plate one 33 at one end close to the horizontal center of the placing plate 1, the outer side surface of the sliding plate 31 is transversely and slidingly connected with the frame plate 35, the frame plate 35 is rotatably connected with the clamping plate two 34 between the adjacent clamping plate one 33, the clamping plate two 34 is matched and installed between the clamping plate one 33, can slide and rotate, the clamping plate 3 further comprises a sliding column 36 and a spring one 37, the sliding column 36 is transversely and slidingly connected in the sliding hole on the surface of the sliding plate 31 respectively, the end of the two sliding columns 36 corresponding in vertical position is provided with a top plate, the spring one 37 is respectively arranged between the top plate and the sliding plate 31, the spring one 37 is movably sleeved on the outer arc surface of the sliding column 36, the clamping plate 3 further comprises a spring two 38, the spring two 38 is arranged between the clamping plate one 33 and the sliding plate 31 respectively, and the spring two 38 is movably sleeved on the outer arc surface of the guide column 32; the clamping plate 3 further comprises a round pipe 39, the round pipe 39 is arranged on the outer side face away from each other of the two clamping plate one 33, and the spring two 38 is located in the inside of the round pipe 39; the front and rear ends of the clamping plate one 33 and the surface of the clamping plate two 34 are provided with a connecting column 4, the surface of the clamping plate two 34 is provided with a connecting sliding groove 5, the connecting column 4 is slidingly arranged in the inside of the adjacent connecting sliding groove 5, the clamping plate two 34 is rotatably connected with the frame plate 35 through a rotating shaft, the clamping plate one 33 is rotatably connected with the frame plate 35 through the three clamping plate two 34, the adjacent two clamping plate two 34 are rotatable and slidable, when the two sliding plates 31 relatively move, the spring two 38 and the spring one 37 are elastically connected, and the two frame plates 35 are driven to relatively move, when the clamping plate one 33 contacts the workpiece, with the continuous movement of the sliding plate 31, the spring force of the spring two 38 is overcome, the guide column 32 is relatively slid with the sliding plate 31, the clamping plate one 33 and the clamping plate two 34 are relatively rotated according to the shape of the workpiece, the connecting column 4 is rotatable and slidable in the connecting sliding groove 5, the clamping plate two 34 is attached to the surface of the workpiece, when the sliding plate 31 contacts the round pipe 39, the workpiece is clamped by the two clamping plate one 33 under the support of the round pipe 39, under the spring force of the spring one 37, the top plate of the sliding column 36 end head exerts force on the clamping plate two 34, the workpiece is elastically clamped by the two clamping plate two 34 corresponding in transverse position, the friction between the workpiece and the clamping part is increased, the clamping firmness is improved, the screw rod 6 is rotatably connected between the left and right ends of the placing plate 1, the screw threads of the left and right ends of the screw rod 6 are opposite, the sliding plate 31 is threadedly connected with the screw rod 6, the relative movement of the two sliding plates 31 is facilitated, the surface of the whole formed by the clamping plate one 33 and the clamping plate two 34 corresponding in longitudinal position is provided with a rubber pad 7, and the friction of the contact position between the clamping part and the workpiece is increased.

[0024] The working principle of the utility model is as follows:

[0025] In the process of using the tapping machine, the workpiece is placed between the two clamping plates 33, the screw rod 6 is rotated, the two sliding plates 31 are relatively moved under the limitation of the sliding groove 2 by the threaded connection between the screw rod 6 and the sliding plate 31 and the influence of the opposite threaded directions of the two ends of the screw rod 6, the two frame plates 35 are relatively moved by the elastic connection of the spring two 38 and the spring one 37, when the clamping plate one 33 contacts the workpiece, the guiding column 32 slides relative to the sliding plate 31 by overcoming the elastic force of the spring two 38 as the sliding plate 31 continues to move, the clamping plate one 33 and the clamping plate two 34 are relatively rotated according to the shape of the workpiece, the connecting column 4 slides and rotates in the connecting sliding groove 5, the clamping plate two 34 is attached to the surface of the workpiece, when the sliding plate 31 contacts the circular tube 39, the workpiece is clamped by the two clamping plates one 33 under the support of the circular tube 39, the top plate of the sliding column 36 end head exerts force on the clamping plate two 34 under the elastic force of the spring one 37, the workpiece is elastically clamped by the two clamping plates two 34 corresponding to the transverse position, the friction between the workpiece and the clamping component is increased, and the firmness of clamping is improved.

[0026] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structures or equivalent process transformations using the utility model specification and drawing contents, or direct or indirect application in other related technical fields are all included in the patent protection range of the utility model.

Claims

1. A clamping assembly for a drilling and tapping machine, characterized in that: It includes a placement plate (1) and a clamping plate (3); The upper surface of the placement plate (1) is provided with sliding grooves (2) at both the left and right ends; The clamping plate (3) includes a sliding plate (31), a guide post (32), a clamping plate one (33), a clamping plate two (34), and a frame plate (35). The sliding plate (31) is slidably connected to the inside of the slide groove (2). The middle part of the sliding plate (31) is slidably connected to the guide post (32). The end of the guide post (32) near the horizontal center of the placement plate (1) is provided with a clamping plate one (33). The outer side of the sliding plate (31) is slidably connected to the frame plate (35). The frame plate (35) and the adjacent clamping plate one (33) are rotatably connected to the clamping plate two (34). The clamping plate two (34) and the clamping plate one (33) are fitted together.

2. The clamping assembly of a drilling and tapping machine according to claim 1, characterized in that: The clamping plate (3) also includes a sliding column (36) and a spring (37). The sliding column (36) is slidably connected to the sliding hole on the surface of the slide plate (31). A top plate is provided between the ends of the two sliding columns (36) corresponding to the vertical position. A spring (37) is provided between the top plate and the slide plate (31). The spring (37) is movably sleeved on the outer arc surface of the sliding column (36).

3. The clamping assembly of a drilling and tapping machine according to claim 1, characterized in that: The clamping plate (3) also includes a second spring (38), which is respectively disposed between the clamping plate (33) and the sliding plate (31), and the second spring (38) is movably sleeved on the outer arc surface of the guide post (32).

4. The clamping assembly of a drilling and tapping machine according to claim 3, characterized in that: The clamping plate (3) also includes a round tube (39), which is respectively disposed on the outer side opposite to the two clamping plates (33), and the spring (38) is located inside the round tube (39).

5. The clamping assembly of a drilling and tapping machine according to claim 1, characterized in that: The front and rear ends of the first clamping plate (33) and the surface of the second clamping plate (34) are provided with connecting posts (4), and the surface of the second clamping plate (34) is provided with connecting grooves (5). The connecting posts (4) slide inside the adjacent connecting grooves (5) respectively. The second clamping plate (34) is rotatably connected to the frame plate (35) through a rotating shaft.

6. The clamping assembly of a drilling and tapping machine according to claim 1, characterized in that: The left and right ends of the placement plate (1) are rotatably connected by a screw (6), and the threads of the left and right ends of the screw (6) are opposite. The slide plate (31) is threadedly connected to the screw (6).

7. The clamping assembly of a drilling and tapping machine according to claim 1, characterized in that: The surfaces of the clamping plate one (33) and the clamping plate two (34) corresponding to the longitudinal position are all provided with rubber pads (7).

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