CN222436824U - High-precision mandrel convenient to splice - Google Patents

Abstract

The utility model discloses a high-precision mandrel convenient to splice, which relates to the technical field of mandrels, and comprises a mandrel body, wherein a connecting piece is slidably arranged at the upper part of the outer side of the mandrel body, symmetrically distributed fixing columns are arranged at the upper part of the outer side of the mandrel body, sliding grooves are formed in the inner sides of the fixing columns, sliding columns are arranged in the inner sides of the sliding grooves, springs are arranged at one ends of the sliding columns, clamping plates are arranged at one ends of the sliding columns, which are far away from the springs, of the clamping plates, the bottom surfaces of the clamping plates are contacted with the connecting piece, clamping grooves corresponding to the clamping plates are formed in the outer side of the mandrel body, and bolts are arranged in the connecting holes through the matching of the fixing columns, the sliding grooves, the springs, the sliding columns, the clamping plates, the screws, the moving plates, the guide blocks, the guide grooves, the bolts, the strong magnets, the attraction grooves and the insertion holes, so that the mandrel body and the connecting piece are spliced together by utilizing the clamping plates and the bolts, the mandrel body and the connecting piece are more stable and firm, the structure is ingenious, and splicing is convenient.

Description

High-precision mandrel convenient to splice

Technical Field

The utility model relates to the technical field of mandrels, in particular to a high-precision mandrel convenient to splice.

Background

The spindle is used for supporting the rotating part to bear bending moment only and not transmit torque, and is divided into a rotating spindle and a fixed spindle.

However, the conventional high-precision mandrel is still not ideal when in use, and the reason is that the conventional mandrel and the connecting piece are spliced together in a heavy connection mode, so that the conventional mandrel and the connecting piece are easy to loosen after long-term use, are not stable and firm enough, have complex structure and are inconvenient to operate, and aiming at the problems, the inventor provides a high-precision mandrel convenient to splice for solving the problems.

Disclosure of utility model

In order to solve the technical problems, the high-precision mandrel convenient to splice comprises a mandrel body, wherein a connecting piece is slidably arranged on the upper portion of the outer side of the mandrel body, symmetrically distributed fixing columns are arranged on the upper portion of the outer side of the mandrel body, sliding grooves are formed in the inner sides of the fixing columns, sliding columns are arranged on the inner sides of the sliding grooves, springs are arranged at one ends of the sliding columns, clamping plates are arranged at one ends, far away from the springs, of the sliding columns, the bottom surfaces of the clamping plates are in contact with the connecting piece, clamping grooves corresponding to the clamping plates are formed in the outer side of the mandrel body, a cylindrical groove is formed in the inner side of the lower portion of the mandrel body, a screw rod is arranged in the cylindrical groove, a movable disc is arranged on the outer side of the screw rod, bolts distributed in an array mode are arranged at one ends of the movable disc, and connecting holes corresponding to the bolts are formed in the bottom surfaces of the connecting piece.

Preferably, the fixed column is fixedly inserted in the inner side of the mandrel body, one end of the sliding column is slidably clamped in the inner side of the sliding groove, one end of the spring is fixedly connected with the sliding column, one end of the spring, which is far away from the sliding column, is fixedly connected with the sliding groove, one end of the clamping plate is fixedly connected with the sliding column, the outer side of the clamping plate is movably clamped in the inner side of the clamping groove, two end parts of the screw rod are rotatably clamped in the inner side of the cylindrical groove, one end thread sleeve of the moving disc is arranged in the outer side of the screw rod, one end thread of the screw rod is arranged at the top end of the moving disc, and one end thread of the screw rod penetrates through the mandrel body and is arranged in the inner side of the connecting hole.

Preferably, strong magnets which are symmetrically distributed are fixedly arranged at the top end of the movable disc, suction grooves which are symmetrically distributed are formed in the top surface of the cylindrical groove, and one ends of the strong magnets are movably inserted into the inner sides of the suction grooves.

Preferably, the outside fixed mounting of movable disk has the guide block of symmetric distribution, the guide slot that corresponds with the guide block is seted up to the inner wall in cylindrical groove, the inboard at the guide slot of one end slip joint of guide block.

Preferably, the bottom surface of the mandrel body is provided with a jack corresponding to the bolt.

Preferably, a rotating handle is inserted in the middle position of the bottom surface of the mandrel body in a rotating mode, and one end of the rotating handle is fixedly connected with the screw rod.

Compared with the prior art, the utility model has the beneficial effects that:

Through fixed column, spout, spring, slip post, cardboard, screw rod, movable disk, guide block, guide way, bolt, strong magnetism, inhale groove, jack's cooperation with the bolt installation with dabber body and connecting piece concatenation together in the connecting hole to utilize cardboard and bolt to realize dual connection, and then make dabber body and connecting piece concatenation more stable and firm, the structure is ingenious, and it is more convenient to splice.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

FIG. 2 is a schematic view showing a cross-section of the upper structure of the mandrel body according to the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a.

Fig. 4 is a schematic top view in cross section of the lower structure of the mandrel body of the present utility model.

Fig. 5 is a schematic view showing a bottom cross section of the lower structure of the mandrel body according to the present utility model.

In the figure, 1, a mandrel body, 2, a connecting piece, 11, a fixed column, 12, a chute, 13, a sliding column, 14, a spring, 15, a clamping plate, 16, a clamping groove, 17, a cylindrical groove, 18, a screw, 19, a moving disc, 20, a bolt, 21, a connecting hole, 22, strong magnetism, 23, a suction groove, 24, a guide block, 25, a guide groove, 26, a rotating handle, 27 and an inserting hole.

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.

1-5, The utility model provides a technical scheme, which comprises a mandrel body 1, wherein a connecting piece 2 is slidably arranged at the upper part of the outer side of the mandrel body 1, symmetrically distributed fixing columns 11 are arranged at the upper part of the outer side of the mandrel body 1, a sliding groove 12 is formed in the inner side of the fixing columns 11, a sliding column 13 is arranged in the inner side of the sliding groove 12, a spring 14 is arranged at one end of the sliding column 13, a clamping plate 15 is arranged at one end, far away from the spring 14, of the sliding column 13, the bottom surface of the clamping plate 15 is contacted with the connecting piece 2, a clamping groove 16 corresponding to the clamping plate 15 is formed in the outer side of the mandrel body 1, a cylindrical groove 17 is formed in the inner side of the lower part of the mandrel body 1, a screw rod 18 is arranged in the inner side of the cylindrical groove 17, a movable disc 19 is arranged at one end of the movable disc 19, and connecting holes 21 corresponding to the bolts 20 are formed in the bottom surface of the connecting piece 2.

The fixed column 11 is fixedly inserted into the inner side of the mandrel body 1, one end of the sliding column 13 is slidably clamped into the inner side of the sliding groove 12, one end of the spring 14 is fixedly connected with the sliding column 13, one end of the spring 14, which is far away from the sliding column 13, is fixedly connected with the sliding groove 12, one end of the clamping plate 15 is fixedly connected with the sliding column 13, the outer side of the clamping plate 15 is movably clamped into the inner side of the clamping groove 16, two end parts of the screw rod 18 are rotatably clamped into the inner side of the cylindrical groove 17, one end of the moving disc 19 is sleeved with one end of the screw rod 18, one end of the screw rod 20 is installed on the top end of the moving disc 19 in a threaded manner, and one end of the screw rod 20 penetrates through the mandrel body 1 and is installed on the inner side of the connecting hole 21 in a threaded manner.

The top end of the movable disk 19 is fixedly provided with strong magnets 22 which are symmetrically distributed, the top surface of the cylindrical groove 17 is provided with suction grooves 23 which are symmetrically distributed, and one end of each strong magnet 22 is movably inserted into the inner side of each suction groove 23.

By adopting the technical scheme, the stability of the movable disc 19 is enhanced and fixed in the suction groove 23 by arranging the strong magnet 22, so that the movable disc 19 is prevented from falling off after long-time static.

The outside fixed mounting of movable disk 19 has the guide block 24 of symmetric distribution, and the guide slot 25 that corresponds with guide block 24 is seted up to the inner wall of cylindricality groove 17, and the inboard at guide slot 25 of the sliding joint of one end of guide block 24.

By adopting the technical scheme, the movable disc 19 is guided and limited by arranging the guide block 24 to slide in the guide groove 25.

The bottom surface of the mandrel body 1 is provided with an insertion hole 27 corresponding to the bolt 20.

By adopting the above technical scheme, the screw 20 is conveniently rotated by inserting the screw driver through the insertion hole 27, so that the screw is installed in the connection hole 21.

A rotating handle 26 is rotatably inserted in the middle position of the bottom surface of the mandrel body 1, and one end of the rotating handle 26 is fixedly connected with the screw 18.

By adopting the above technical scheme, the screw 18 is conveniently rotated by arranging the rotating handle 26.

The working principle is that firstly, the connecting piece 2 is sleeved on the mandrel body 1 in a sliding manner, the sliding column 13 is pushed by the spring 14 on the fixed column 11 in the sliding groove 12, the sliding column 13 slides in the sliding groove 12 to drive the clamping plate 15 to slide so as to clamp the connecting piece 2, then the screw rod 18 is rotated to drive the movable disc 19 to rotate, the movable disc 19 is provided with the guide block 24 to slide in the guide groove 25 so as to guide the movable disc, the movable disc 19 drives the bolt 20 to move upwards by virtue of the threads, then the bolt 20 penetrates through the mandrel body 1, meanwhile, the strong magnet 22 is clamped in the suction groove 23 to suck and fix the movable disc 19, then a screwdriver is used for penetrating through the jack 27 and the bolt 20 to contact, the bolt 20 is installed in the connecting hole 21 so as to splice the mandrel body 1 and the connecting piece 2 together, and further, the mandrel body 1 and the connecting piece 2 are spliced together more stably and firmly by using the clamping plate 15 and the bolt 20, the structure is ingenious, and the splicing is convenient.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. The utility model provides a high accuracy dabber convenient to concatenation, includes dabber body (1), its characterized in that, outside upper portion slidable mounting of dabber body (1) has connecting piece (2), outside upper portion of dabber body (1) is provided with symmetric distribution's fixed column (11), spout (12) have been seted up to the inboard of fixed column (11), the inboard of spout (12) is provided with sliding column (13), the one end of sliding column (13) is provided with spring (14), the one end that spring (14) was kept away from to sliding column (13) is provided with cardboard (15), the bottom surface and connecting piece (2) contact of cardboard (15), draw-in groove (16) that correspond with cardboard (15) have been seted up in the outside of dabber body (1), cylindrical groove (17) have been seted up to the lower part inboard of dabber body (1), the inside of cylindrical groove (17) is provided with screw rod (18), the outside of screw rod (18) is provided with movable disk (19), the one end of movable disk (19) is provided with bolt (20) of array distribution, connecting piece (2) have corresponding bolt (21) and connecting hole (20).

2. The high-precision mandrel convenient to splice according to claim 1, wherein the fixing column (11) is fixedly inserted into the inner side of the mandrel body (1), one end of the sliding column (13) is slidably clamped into the inner side of the sliding groove (12), one end of the spring (14) is fixedly connected with the sliding column (13), one end of the spring (14) is far away from the sliding column (13) and is fixedly connected with the sliding groove (12), one end of the clamping plate (15) is fixedly connected with the sliding column (13), the outer side of the clamping plate (15) is movably clamped into the inner side of the clamping groove (16), two end parts of the screw (18) are rotatably clamped into the inner side of the cylindrical groove (17), one end of the moving disc (19) is sleeved on the outer side of the screw (18) in a threaded manner, one end of the bolt (20) is mounted on the top end of the moving disc (19) in a threaded manner, and one end of the bolt (20) penetrates through the mandrel body (1) and is mounted on the inner side of the connecting hole (21) in a threaded manner.

3. The high-precision mandrel convenient to splice according to claim 1, wherein strong magnets (22) which are symmetrically distributed are fixedly arranged at the top end of the movable disc (19), suction grooves (23) which are symmetrically distributed are formed in the top surface of the cylindrical groove (17), and one end of each strong magnet (22) is movably inserted into the inner side of each suction groove (23).

4. A high-precision mandrel convenient to splice according to claim 3, characterized in that guide blocks (24) symmetrically distributed are fixedly arranged on the outer side of the movable disc (19), guide grooves (25) corresponding to the guide blocks (24) are formed in the inner wall of the cylindrical groove (17), and one end of each guide block (24) is slidably clamped on the inner side of each guide groove (25).

5. A high precision mandrel for facilitating splicing as claimed in claim 2 wherein the bottom surface of the mandrel body (1) is provided with receptacles (27) corresponding to the bolts (20).

6. A high-precision mandrel convenient to splice according to claim 5, wherein a rotating handle (26) is rotatably inserted in the middle position of the bottom surface of the mandrel body (1), and one end of the rotating handle (26) is fixedly connected with the screw (18).