CN214603109U

CN214603109U - Centre frame with adjustable clamping diameter

Info

Publication number: CN214603109U
Application number: CN202120272228.1U
Authority: CN
Inventors: 董国成
Original assignee: Nantong Zhengtong Machinery Technology Co ltd
Current assignee: Nantong Zhengtong Machinery Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-05
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a lathe appurtenance technical field just discloses a centre gripping diameter adjustable centre frame, which comprises a roof, the spout has been seted up to the inboard of roof, the equal fixedly connected with telescopic link in both ends about the spout, two the equal fixedly connected with fly leaf in one side that the telescopic link is relative, fixedly connected with spring between the lateral wall of fly leaf and spout, the equal fixedly connected with steady piece in both ends around the fly leaf, the top fixedly connected with splint of fly leaf, the equal fixedly connected with bearing frame in both ends around the spout. This centre gripping diameter adjustable centre frame, overall structure is simple, through the revolving force with the servo motor output shaft, converts the removal power into splint to adjust its centre gripping diameter, through setting up telescopic link and spring, ensured the transmission stability of drive belt, easy operation, it is convenient to adjust, has improved application scope, can satisfy the work piece processing of different diameters, and it is convenient to use.

Description

Centre frame with adjustable clamping diameter

Technical Field

The utility model relates to a lathe appurtenance technical field specifically is a centre gripping diameter adjustable centre frame.

Background

The center frame is usually mounted on a lathe, and is one of the common auxiliary tools of the lathe, and when the lathe is used for processing workpieces such as a crankshaft, a camshaft and the like, the center frame needs to be used for clamping and positioning the workpieces.

The shortcoming that current centre frame on the market has not been convenient for to adjust at present, and in the use, traditional centre frame is fixed diameter, so to work piece such as bent axle and camshaft of some different diameters, current centre frame is difficult to satisfy the demand, has reduced application scope, is not convenient for use, so proposes above-mentioned centre frame of centre gripping diameter adjustable in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a centre gripping diameter adjustable centre frame possesses the advantage such as be convenient for adjust, has solved in the use, and traditional centre frame is fixed diameter, so to work pieces such as bent axle and the camshaft of some different diameters, and current centre frame is difficult to satisfy the demand, has reduced application scope, the problem of being not convenient for use.

(II) technical scheme

For the purpose of realizing the aforesaid regulation of being convenient for, the utility model provides a following technical scheme: a centre frame with adjustable clamping diameter comprises a top plate, wherein a sliding groove is formed in the inner side of the top plate, telescopic rods are fixedly connected to the left end and the right end of the sliding groove, a movable plate is fixedly connected to one opposite side of the two telescopic rods, a spring is fixedly connected between the movable plate and the side wall of the sliding groove, stabilizing blocks are fixedly connected to the front end and the rear end of the movable plate, a clamping plate is fixedly connected to the top of the movable plate, bearing seats are fixedly connected to the front end and the rear end of the sliding groove, a rotating shaft is fixedly connected between the two opposite sides of the bearing seats, a guide wheel is fixedly connected to the outer surface of the rotating shaft, a driving belt is fixedly connected to the upper end and the lower end of the guide wheel, a driven wheel is fixedly connected to the front side of the outer surface of the rotating shaft, supporting rods are fixedly connected to the left end and the right end of the bottom of the top plate, and a cross rod is fixedly connected between the two opposite sides of the supporting rods, the top of horizontal pole fixedly connected with servo motor, servo motor's output shaft fixedly connected with action wheel, the surface swing joint of action wheel has the driving belt who is located from the driving wheel surface.

Preferably, both ends all communicate with the stability groove of seting up in the roof inside around the spout, the piece is located the inside in stability groove to stabilize, it is the cross with the spout crossing in stability groove.

Preferably, two the equal fixedly connected with protection pad in the opposite one side of splint, the spring is located the surface of telescopic link.

Preferably, the telescopic link include with spout lateral wall fixedly connected with fixed cylinder, the inboard sliding connection of fixed cylinder has one end to run through and extend to the fixed cylinder outside and with fly leaf fixed connection's slide bar.

Preferably, one end, away from the guide wheel, of the top transmission belt is fixedly connected with the top on the left side of the right side movable plate, and one end, away from the guide wheel, of the bottom transmission belt is fixedly connected with the bottom on the right side of the left side movable plate.

Preferably, the front end and the rear end of the outer surface of the guide wheel are provided with grooves, and the two transmission belts are respectively positioned in the two grooves.

(III) advantageous effects

Compared with the prior art, the utility model provides a centre gripping diameter adjustable centre frame possesses following beneficial effect:

the centre frame with adjustable clamping diameter rotates through the output shaft of the servo motor and drives the driving wheel to rotate, the driving wheel is in transmission connection with the driven wheel through the transmission belt, so that the driven wheel drives the rotating shaft and the guide wheel to rotate, as the two transmission belts are respectively positioned at the upper end and the lower end of the guide wheel, when the guide wheel rotates, the two transmission belts are gradually wound on the outer surface of the guide wheel and drive the two movable plates to move towards one opposite side, so that the distance between one opposite sides of the two clamping plates is adjusted, the movable plates move, the telescopic rod stretches and drives the spring to stretch, the output shaft of the servo motor rotates towards the opposite direction, and the two movable plates do reset motion towards the opposite sides under the action of the spring, meanwhile, the transmission belts are always kept in a tightening state, the stability of the movable plates during movement is improved through the arrangement of the sliding grooves and the stabilizing grooves, and the device has a simple integral structure, through the revolving force with the servo motor output shaft, convert the removal power into splint to its centre gripping diameter of adjustment has ensured the transmission stability of drive belt through setting up telescopic link and spring, and easy operation adjusts the convenience, has improved application scope, can satisfy the work piece processing of different diameters, and it is convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the movable plate and the stabilizing block of the present invention;

fig. 3 is a top view of the rotating shaft and the guide wheel of the present invention.

In the figure: the device comprises a top plate 1, a sliding groove 2, a telescopic rod 3, a movable plate 4, a spring 5, a stabilizing block 6, a clamping plate 7, a bearing seat 8, a rotating shaft 9, a guide wheel 10, a transmission belt 11, a driven wheel 12, a supporting rod 13, a cross rod 14, a servo motor 15, a driving wheel 16 and a transmission belt 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a center frame with adjustable clamping diameter comprises a top plate 1, a sliding groove 2 is formed on the inner side of the top plate 1, telescopic rods 3 are fixedly connected to the left and right ends of the sliding groove 2, a movable plate 4 is fixedly connected to one side of each of the two telescopic rods 3 opposite to each other, the telescopic rods 3 comprise fixed cylinders fixedly connected to the side walls of the sliding groove 2, slide rods with one ends penetrating and extending to the outer side of the fixed cylinders and fixedly connected to the movable plate 4 are slidably connected to the inner sides of the fixed cylinders, springs 5 are fixedly connected between the movable plate 4 and the side walls of the sliding groove 2, stabilizing blocks 6 are fixedly connected to the front and rear ends of the movable plate 4, stabilizing grooves formed in the top plate 1 are communicated with the front and rear ends of the sliding groove 2, the stabilizing blocks 6 are located in the stabilizing grooves, the stabilizing grooves intersect with the sliding groove 2 to form a cross shape, clamping plates 7 are fixedly connected to the tops of the movable plate 4, and protective pads are fixedly connected to one sides of the two clamping plates 7 opposite to each other, the spring 5 is positioned on the outer surface of the telescopic rod 3, the front end and the rear end of the chute 2 are fixedly connected with bearing seats 8, a rotating shaft 9 is fixedly connected between the opposite sides of the two bearing seats 8, the outer surface of the rotating shaft 9 is fixedly connected with a guide wheel 10, the front end and the rear end of the outer surface of the guide wheel 10 are respectively provided with a groove, two driving belts 11 are respectively positioned in the two grooves, the upper end and the lower end of the guide wheel 10 are fixedly connected with driving belts 11, one end of the top driving belt 11, which is far away from the guide wheel 10, is fixedly connected with the top part on the left side of the right side movable plate 4, one end of the bottom driving belt 11, which is far away from the guide wheel 10, is fixedly connected with the bottom part on the right side of the left side movable plate 4, the front side of the outer surface of the rotating shaft 9 is fixedly connected with a driven wheel 12, the left end and the right end of the bottom of the top plate 1 are fixedly connected with supporting rods 13, the bottom parts of the supporting rods 13 are fixedly connected with mounting plates, and mounting bolts are movably connected with the mounting plates, the center frame is conveniently installed on a machine tool, a cross rod 14 is fixedly connected between the opposite sides of the two support rods 13, a servo motor 15 is fixedly connected to the top of the cross rod 14, the type of the servo motor 15 can be ECMA-C20604RS, an output shaft of the servo motor 15 is fixedly connected with a driving wheel 16, and the outer surface of the driving wheel 16 is movably connected with a transmission belt 17 located on the outer surface of the driven wheel 12.

In summary, the center frame with adjustable clamping diameter rotates through the output shaft of the servo motor 15 and drives the driving wheel 16 to rotate, the driving wheel 16 is in transmission connection with the driven wheel 12 through the transmission belt 17, so that the driven wheel 12 drives the rotating shaft 9 and the guide wheel 10 to rotate, because the two transmission belts 11 are respectively located at the upper end and the lower end of the guide wheel 10, when the guide wheel 10 rotates, the two transmission belts 11 are gradually wound on the outer surface of the guide wheel 10 and drive the two movable plates 4 to move towards the opposite sides, thereby adjusting the distance between the opposite sides of the two clamping plates 7, and the movable plates 4 move, so that the telescopic rod 3 stretches and drives the spring 5 to stretch, the output shaft of the servo motor 15 rotates towards the opposite directions, and the two movable plates 4 do the return movement towards the opposite sides under the action of the spring 5, and meanwhile, the transmission belts 11 are always kept in a tightened state, through setting up spout 2 and stable groove, stability when having improved fly leaf 4 and removing, the device overall structure is simple, through the revolving force with 15 output shafts of servo motor, convert the locomotive power into splint 7, thereby adjust its centre gripping diameter, through setting up telescopic link 3 and spring 5, the transmission stability of drive belt 11 has been ensured, and the operation is simple, and convenient for adjustment, application scope has been improved, can satisfy the work piece processing of different diameters, and convenient for use, solved in the use, traditional centre frame is fixed diameter, so to work pieces such as bent axle and the camshaft of some different diameters, current centre frame is difficult to satisfy the demand, application scope has been reduced, the problem of being not convenient for to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centre gripping diameter adjustable centre frame, includes roof (1), its characterized in that: the inner side of the top plate (1) is provided with a sliding groove (2), the left end and the right end of the sliding groove (2) are fixedly connected with telescopic rods (3), one opposite side of the two telescopic rods (3) is fixedly connected with a movable plate (4), a spring (5) is fixedly connected between the movable plate (4) and the side wall of the sliding groove (2), the front end and the rear end of the movable plate (4) are fixedly connected with stabilizing blocks (6), the top of the movable plate (4) is fixedly connected with a clamping plate (7), the front end and the rear end of the sliding groove (2) are fixedly connected with bearing seats (8), a rotating shaft (9) is fixedly connected between the opposite sides of the two bearing seats (8), the outer surface of the rotating shaft (9) is fixedly connected with a guide wheel (10), the upper end and the lower end of the guide wheel (10) are fixedly connected with a driving belt (11), and the front surface of the outer surface of the rotating shaft (9) is fixedly connected with a driven wheel (12), the roof is characterized in that supporting rods (13) are fixedly connected to the left end and the right end of the bottom of the top plate (1) respectively, a cross rod (14) is fixedly connected between the two opposite sides of the supporting rods (13), a servo motor (15) is fixedly connected to the top of the cross rod (14), an output shaft of the servo motor (15) is fixedly connected with a driving wheel (16), and a transmission belt (17) located on the outer surface of a driven wheel (12) is movably connected to the outer surface of the driving wheel (16).

2. A centre frame of adjustable clamping diameter according to claim 1, wherein: both ends all communicate to have and set up in the inside stable groove of roof (1) around spout (2), stable piece (6) are located the inside in stable groove, stable groove intersects with spout (2) and is the cross.

3. A centre frame of adjustable clamping diameter according to claim 1, wherein: two equal fixedly connected with protection pad in the relative one side of splint (7), spring (5) are located the surface of telescopic link (3).

4. A centre frame of adjustable clamping diameter according to claim 1, wherein: the telescopic rod (3) comprises a fixed cylinder fixedly connected with the side wall of the sliding groove (2), and one end of the inner side of the fixed cylinder is connected with a sliding rod which penetrates through the fixed cylinder and extends to the outside of the fixed cylinder and is fixedly connected with the movable plate (4).

5. A centre frame of adjustable clamping diameter according to claim 1, wherein: the top is connected with the top on the left side of the right movable plate (4) at the end, far away from the guide wheel (10), of the transmission belt (11), and the bottom is connected with the bottom on the right side of the left movable plate (4) at the end, far away from the guide wheel (10), of the transmission belt (11).

6. A centre frame of adjustable clamping diameter according to claim 1, wherein: the front end and the rear end of the outer surface of the guide wheel (10) are respectively provided with a groove, and the two driving belts (11) are respectively positioned in the two grooves.