CN218341656U

CN218341656U - Supporting mechanism for centerless grinding machine

Info

Publication number: CN218341656U
Application number: CN202222547128.2U
Authority: CN
Inventors: 洪斌
Original assignee: FUJIAN DAYU HEAVY-DUTY CNC MACHINE TOOL CO LTD
Current assignee: FUJIAN DAYU HEAVY-DUTY CNC MACHINE TOOL CO LTD
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-20
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a supporting mechanism for centerless grinder, including adjusting part and clamping component, clamping component movable mounting is on adjusting part, adjusting component includes fixed support body, rotates the wheel, the drive belt, the supporter, the slider, it is internal to rotate the wheel symmetry and locate the mount, it forms the transmission through the drive belt and connects to rotate two wheels, two rotate and be equipped with a supporter between the wheel, the up end of supporter offsets with the medial surface of drive belt, one of them rotates the wheel and installs on a motor, in order to rotate through motor drive this rotation wheel and drive the drive belt after and remove, the utility model discloses accessible cylinder, fixed body and the connected mode of telescopic tube make by fixed machined part have the rotation effect to utilize the spring to form the flexible coupling to the machined part, follow through the step of locating the inwards sunken of clamp plate side simultaneously, form the fixed to the machined part, make centerless grinder can effectually polish the machined part global, thereby solve the problem as in the background art.

Description

Supporting mechanism for centerless grinding machine

Technical Field

The utility model relates to a centerless grinder field, specific is a supporting mechanism for centerless grinder.

Background

Patent No. CN214770878U entitled a centerless grinding machine with a supporting mechanism provides a centerless grinding machine capable of adjusting the cutting position of a workpiece, but the inventor found that although the device in this patent can adjust the cutting position of the workpiece, the fixing plate for clamping the workpiece is fixed on the output shaft of the cylinder, and the fixing manner of fixing the workpiece by ejecting the fixing plate outward by the cylinder forms a hard connection with the workpiece, so that the fixing plate and the fixed workpiece do not have a rotating effect, and the centerless grinding machine can only grind one side of the workpiece during grinding.

SUMMERY OF THE UTILITY MODEL

The utility model provides a supporting mechanism for centerless grinder, it has overcome the not enough that describe in the background art.

The utility model provides an adopted technical scheme of its technical problem is:

a supporting mechanism for a centerless grinding machine comprises an adjusting assembly and a clamping assembly, wherein the clamping assembly is movably mounted on the adjusting assembly, the adjusting assembly comprises a fixed frame body, rotating wheels, a transmission belt, supporting bodies and a sliding block, the rotating wheels are symmetrically arranged in the fixed frame body, the two rotating wheels are in transmission connection through the transmission belt, a supporting body is arranged between the two rotating wheels, the upper end surface of the supporting body is abutted against the inner side surface of the transmission belt, one of the rotating wheels is mounted on a motor so as to drive the rotating wheels to rotate through the motor and then drive the transmission belt to move, the clamping assembly comprises supporting pieces, clamping plates and a movable frame body, the movable frame body is in a U-shaped structure, the supporting pieces are symmetrically arranged on two sides of the inner end of the movable frame body, and each supporting piece is provided with one clamping plate; the fixed frame body is provided with a chute for the sliding of the sliding block, the sliding block is arranged in the chute and is respectively connected with the lower end face of the movable frame body and the upper end face of the transmission belt so as to drive the sliding block and the movable frame body to move through the movement of the transmission belt, thereby adjusting the cutting end face of the workpiece fixed by the clamping plate;

a preferred technical scheme is as follows: support piece includes cylinder, fixed body, flexible pipe, the cylinder has an output pole, the output pole runs through fixed body and flexible pipe in proper order, fixed body is the I-shaped structure, the cylinder sets firmly in the left side of fixed body, the right side of the fixed body of flexible pipe activity embedding, the activity interval that supplies flexible pipe reciprocating motion has between flexible pipe and the fixed body, the column through-hole has in the flexible pipe, the output pole runs through to the column through-hole in, the output pole external fixation is equipped with a fixed block, the outer movable sleeve of output pole is equipped with a movable block, a spring has between movable block and the fixed block.

A preferred technical scheme is as follows: the left and right sides of the inner end of the columnar through hole are respectively provided with a first step edge and a second step edge, the left side of the fixed block is abutted against the first step edge, the right side of the movable block is abutted against the second step edge, and a distance is reserved between the fixed block and the movable block.

A preferred technical scheme is as follows: the outer side of the clamping plate is provided with an inward concave step edge.

A preferred technical scheme is as follows: two are the symmetry setting step on the clamp plate is relative along the orientation, and two step on the clamp plate is along all being circular profile.

Compared with the background technology, the technical scheme has the following advantages:

the utility model discloses the connected mode of accessible cylinder, fixed body and flexible pipe makes by fixed machined part have the rotation effect to utilize the spring to form the flexible coupling to the machined part, simultaneously through locating the inside sunken step edge of pinch-off blades side, form the fixed to the machined part, make centerless grinder can effectually polish the machined part global, thereby solve as in the background art the problem.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of a centerless grinding machine equipped with the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic view of the support 21.

In the figure: the device comprises an adjusting assembly 1, a fixed frame body 11, a rotating wheel 12, a transmission belt 13, a supporting body 14, a sliding block 15, a clamping assembly 2, a supporting piece 21, an air cylinder 211, an output rod 2111, a fixed block 2112, a fixed pipe body 212, an extension pipe 213, a movable block 2131, a spring 2132, a clamping plate 22 and a movable frame body 23.

Detailed Description

As shown in fig. 1-3, a supporting mechanism for a centerless grinding machine includes an adjusting assembly 1 and a clamping assembly 2, wherein the clamping assembly 2 is movably mounted on the adjusting assembly 1, the adjusting assembly 1 includes a fixed frame body 11, two rotating wheels 12, a transmission belt 13, supporting bodies 14, and a slider 15, the rotating wheels 12 are symmetrically disposed in the fixed frame body 11, the two rotating wheels 12 are in transmission connection through the transmission belt 13, a supporting body 14 is disposed between the two rotating wheels 12, an upper end surface of the supporting body 14 abuts against an inner side surface of the transmission belt 13, one of the rotating wheels 12 is mounted on a motor, so that the rotating wheel 12 is driven by the motor to rotate and then drive the transmission belt 13 to move, the clamping assembly 2 includes a supporting member 21, a clamping plate 22, and a movable frame body 23, the movable frame body 23 is in a U-shaped structure, the supporting member 21 is symmetrically disposed on two sides of an inner end of the movable frame body 23, and each supporting member 21 is provided with a clamping plate 22; set up on the fixed support body 11 and supply the gliding spout of slider 15, slider 15 locates in the spout, just slider 15 links to each other with the up end of activity support body 23 lower terminal surface and drive belt 13 respectively to the removal through drive belt 13 drives slider 15 and activity support body 23 and removes, thereby adjusts the cutting end face of the machined part fixed by clip board 22, and the utility model discloses in only mention and protect the supporting mechanism of centerless grinder, and all other structures not mentioned, can adopt among the centerless grinder among the prior art or the background art mentioned the patent number for CN214770878U name as a centerless grinder's equipment with supporting mechanism, it is following right the utility model discloses a theory of operation and structure are further introduced:

when the machining device is used, a machining part can be placed between the two clamping plates 22, the air cylinders 211 on the left side and the right side of the inner end of the movable frame body 23 are controlled to jack the clamping plates 22 outwards, the machining part is clamped through the two clamping plates 22, then the motor is used for driving the rotating wheel 12 connected with the motor to rotate, the rotating wheel 12 drives the transmission belt 13 to move, the sliding block 15 is fixedly arranged on the transmission belt 13, and the supporting body 14 is arranged in the transmission belt 13, so that the sliding block 15 can slide left and right on the upper end of the supporting body 14 by utilizing the supporting effect of the supporting body 14, the movable frame body 23 and the machining part fixed by the clamping plates 22 can be driven to move when the sliding block 15 moves, and the position of the cutting end face of the machining part, which is abutted against the centerless grinding machine, is changed.

In order to enable the fixed workpiece to have a rotating effect, the supporting member 21 includes an air cylinder 211, a fixed tube 212, and an extension tube 213, where the air cylinder 211 has an output rod 2111, the output rod 2111 sequentially penetrates through the fixed tube 212 and the extension tube 213, the fixed tube 212 is in an i-shaped structure, the air cylinder 211 is fixedly disposed at the left side of the fixed tube 212, and the extension tube 213 is movably embedded at the right side of the fixed tube 212, so that when the workpiece is clamped by the clamping assembly 2, the extension tube 213 can rotate, and when the workpiece rolls along with the polishing of the centerless grinder, the clamping plate 22 can rotate as a fulcrum, so that the centerless grinder can uniformly polish the circumferential surface of the workpiece.

In order to avoid hard connection of a workpiece, a movable distance for the telescopic tube 213 to reciprocate is arranged between the telescopic tube 213 and the fixed tube body 212, a columnar through hole is arranged in the telescopic tube 213, the columnar through hole extends to the left end and the right end of the telescopic tube 213, the output rod 2111 penetrates into the columnar through hole, a fixed block 2112 is fixedly arranged outside the output rod 2111, a movable block 2131 is movably sleeved outside the output rod 2111, and a spring 2132 is arranged between the movable block 2131 and the fixed block 2112; the left side and the right side of the inner end of the columnar through hole are respectively provided with a first step edge and a second step edge, the left side of the fixed block 2112 abuts against the first step edge, the right side of the movable block 2131 abuts against the second step edge, and a space is formed between the fixed block 2112 and the movable block 2131;

when the device is used, the air cylinder 211 can be controlled to jack up the output rod 2111, and when the output rod 2111 is pushed out, the fixed tube body 212 and the clamping plate 22 are not directly driven to move outwards, but the fixed block 2112 is driven to move outwards, the fixed block 2112 is used for extruding the spring 2132, so that the spring 2132 extrudes the movable block 2131 to drive the telescopic tube 213 and the clamping plate 22 to move outwards to extrude a workpiece, so that it can be understood that the air cylinder 211 forms a flexible connection with the clamping plate 22 through the spring 2132, and the telescopic tube 213 and the clamping plate 22 are continuously jacked up outwards to clamp the workpiece by using the structural performance of the spring 2132.

In order to prevent the fixed workpiece from sliding off the clamping plate 22, the outer side of the clamping plate 22 is provided with an inward recessed step edge, the two step edges on the clamping plate 22 which are symmetrically arranged face to face, and the step edges on the two clamping plates 22 are both in a circular profile, so that workpieces with different sizes can be clamped by the step edges with different depths and different inner diameters, the fixity of the workpiece is increased under the condition that the workpiece is in a soft connection state, and the workpiece is prevented from falling off from the surface of the clamping plate 22.

The foregoing is merely a preferred embodiment of the present invention, and therefore, the scope of the invention should not be limited by this, and all equivalent changes and modifications made within the spirit and scope of the present invention should be considered within the scope of the present invention.

Claims

1. The utility model provides a supporting mechanism for centerless grinder, includes adjusting part (1) and clamping component (2), clamping component (2) movable mounting is on adjusting component (1), adjusting component (1) is including fixed support body (11), rotation wheel (12), drive belt (13), supporter (14), slider (15), it locates in fixed support body (11) to rotate wheel (12) symmetry, two it forms the transmission through drive belt (13) and connects two to rotate wheel (12) be equipped with a supporter (14) between rotation wheel (12), the up end of supporter (14) offsets with the medial surface of drive belt (13), one of them it installs on a motor to rotate wheel (12) to should through motor drive it moves its characterized in that to rotate wheel (12) and drive belt (13) after rotating:

the clamping assembly (2) comprises supporting pieces (21), clamping plates (22) and movable frame bodies (23), the movable frame bodies (23) are of U-shaped structures, the supporting pieces (21) are symmetrically arranged on two sides of the inner ends of the movable frame bodies (23), and each supporting piece (21) is provided with one clamping plate (22);

offer on fixed support body (11) and supply gliding spout of slider (15), slider (15) are located in the spout, just slider (15) link to each other with the up end of activity support body (23) lower terminal surface and drive belt (13) respectively to the removal through drive belt (13) drives slider (15) and activity support body (23) and removes, thereby adjusts the cutting end face of the machined part of being fixed by clamp plate (22).

2. The support mechanism for the centerless grinding machine as claimed in claim 1, wherein: the support piece (21) comprises an air cylinder (211), a fixed pipe body (212) and a telescopic pipe (213), wherein the air cylinder (211) is provided with an output rod (2111), the output rod (2111) sequentially penetrates through the fixed pipe body (212) and the telescopic pipe (213), the fixed pipe body (212) is of an I-shaped structure, the air cylinder (211) is fixedly arranged on the left side of the fixed pipe body (212), the telescopic pipe (213) is movably embedded into the right side of the fixed pipe body (212), and a movable distance for the telescopic pipe (213) to move back and forth is formed between the telescopic pipe (213) and the fixed pipe body (212);

the telescopic pipe (213) is internally provided with a columnar through hole, the output rod (2111) penetrates into the columnar through hole, a fixed block (2112) is fixedly arranged outside the output rod (2111), a movable block (2131) is movably sleeved outside the output rod (2111), and a spring (2132) is arranged between the movable block (2131) and the fixed block (2112).

3. A support mechanism for a centerless grinding machine as defined in claim 2, wherein: the left side and the right side of the inner end of the columnar through hole are respectively provided with a first step edge and a second step edge, the left side of the fixed block (2112) is abutted against the first step edge, the right side of the movable block (2131) is abutted against the second step edge, and a space is reserved between the fixed block (2112) and the movable block (2131).

4. The support mechanism for the centerless grinding machine as claimed in claim 1, wherein: the outer side of the clamping plate (22) is provided with an inward concave step edge.

5. The support mechanism for the centerless grinding machine as claimed in claim 4, wherein: the two steps on the clamping plates (22) which are symmetrically arranged are opposite in direction, and the steps on the two clamping plates (22) are circular in outline.