CN217453514U

CN217453514U - Gap eliminating device for rotary bow trimmer

Info

Publication number: CN217453514U
Application number: CN202220279737.1U
Authority: CN
Inventors: 张孟稳; 李世功; 姚国光
Original assignee: Fuyoute Luoyang Intelligent Equipment Co ltd
Current assignee: Fuyoute Luoyang Intelligent Equipment Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-20
Anticipated expiration: 2032-02-11

Abstract

The utility model provides a swing bow trimmer is with crack control device, swing bow trimmer include the swing bow and be used for the buddha's warrior attendant pen of repairment emery wheel, and the swing bow includes two swing bow arms, and two swing bow arms are connected with the swing bow urceolus jointly, and buddha's warrior attendant pen stretches into in the swing bow urceolus, and crack control device is in including rotating threaded rod in the swing bow urceolus, threaded rod stretch out swing bow urceolus back fixedly connected with runner assembly, and threaded rod lie in one section of swing bow urceolus on have compress arm and tight nut that rises through threaded connection, compress arm with buddha's warrior attendant pen fixed connection, compress arm and tight nut fixed connection rises, the cover is equipped with crack control spring on the threaded rod, and crack control spring both ends push up tight compress arm and tight nut that rises respectively. The utility model provides a pair of gap eliminating device for gyration bow trimmer can eliminate the clearance of the inner structure that gyration bow trimmer brought because of the vibration, and is more stable when making buddha's warrior attendant pen maintain the emery wheel, can not appear shaking the phenomenon, improves and maintains the precision.

Description

Gap eliminating device for rotary bow trimmer

Technical Field

The utility model relates to the technical field, specifically be a gap eliminating device for rotary bow trimmer.

Background

The grinding wheel is an important part of the grinding machine, and the grinding wheel is used for grinding a workpiece to achieve required workpiece shape and size precision during the operation of the grinding machine. The geometry of the grinding wheel, the precision of the sharpening, etc. are reduced after a long period of use. Dressing of the grinding wheel is performed at intervals in order to maintain the grinding wheel in a good working condition. The dressing of the grinding wheel is to use a dressing tool to dress the grinding wheel into shape or to remove the dull surface layer so that the grinding wheel can reach the required geometric shape and dimensional accuracy. Mode commonly used includes that the buddha's warrior attendant pen is maintained, and the dressing tool who uses has the gyration bow trimmer, thereby does slewing motion through motor or other device drive gyration bow trimmer and repaiies the emery wheel, nevertheless in the course of the work, the phenomenon of vibration can appear in the gyration bow trimmer, leads to the inside clearance that appears of structure of centre gripping buddha's warrior attendant pen on the gyration bow trimmer to make the buddha's warrior attendant pen appear shaking the phenomenon, the finishing precision of gyration bow trimmer reduces.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough among the prior art, the utility model provides a gap eliminating device for gyration bow trimmer can eliminate the clearance of the inner structure that gyration bow trimmer brought because of the vibration, and is more stable when making the buddha's warrior attendant pen maintain the emery wheel, can not appear shaking the phenomenon, improves and maintains the precision.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gap eliminating device for gyration bow trimmer, gyration bow trimmer include the gyration bow and be used for finishing the buddha's warrior attendant pen of emery wheel, and the gyration bow includes two gyration bow arms, and two gyration bow arms are connected with the gyration bow urceolus jointly, and buddha's warrior attendant pen stretches into in the gyration bow urceolus, and gap eliminating device is including rotating the setting threaded rod in the gyration bow urceolus, threaded rod stretch out gyration bow urceolus back fixedly connected with rotating assembly, and threaded rod have a hold-down arm and a nut that rises through threaded connection in being located one section of gyration bow urceolus, hold-down arm with buddha's warrior attendant pen fixed connection, hold-down arm and nut fixed connection that rises, the cover is equipped with the gap eliminating spring on the threaded rod, and the gap eliminating spring both ends push up respectively and tightly hold-down arm and nut that rises.

As a further optimization of the backlash eliminating device for the swing bow trimmer described above: the tensioning nut and the pressing arm are both provided with pin holes and connected through a cylindrical pin.

As a further optimization of the backlash eliminating device for the swing bow trimmer described above: the rotating assembly comprises a trimming end cover and a dial, the trimming end cover is fixedly connected with the outer cylinder of the rotary bow, a through hole is formed in the trimming end cover, the threaded rod penetrates through the through hole and then is fixedly connected with the dial, the threaded rod extends along the radial direction to form a protrusion, and the protrusion is located between the tensioning nut and the trimming end cover and is in contact with the trimming end cover.

As a further optimization of the backlash eliminating device for the swing bow trimmer described above: the rotary bow urceolus is last to dismantle and to be provided with the scale pointer and to slide and be provided with the zero setting scale with scale pointer matched with, the length direction of zero setting scale with the length direction of screw rod is parallel, zero setting scale fixedly connected with roof, buddha's warrior attendant pen is towards the roof.

As a further optimization of the backlash eliminating device for the swing bow trimmer described above: the rotary bow trimmer further comprises a bow frame, the rotary bow arm is connected with the bow frame in a rotating mode, two groups of limiting assemblies used for avoiding rotation of the rotary bow are arranged on the bow frame and comprise limiting supports fixedly arranged on the bow frame, limiting screws penetrate through the limiting supports, two fixing holes are formed in the outer cylinder of the rotary bow, a flat collision block is arranged in each fixing hole, and each limiting screw faces the flat collision block.

As a further optimization of the backlash eliminating device for the swing bow trimmer described above: the diamond pen is fixedly connected with a diamond pen seat, the diamond pen seat is fixedly connected with the pressing arm, and a slotted screw used for tightly jacking the diamond pen penetrates through the diamond pen seat.

The beneficial effects are that: the utility model provides a gap eliminating device for a rotary bow dresser, which can eliminate the gap of the internal structure of the rotary bow dresser caused by vibration, so that a diamond pen is more stable when dressing a grinding wheel, and the oscillation phenomenon can not occur; utilize spacing subassembly, both can carry out the circular arc and maintain, also can carry out the straight line and maintain, increase gyration bow trimmer's the scope of maintaining.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view taken at A in FIG. 1;

FIG. 3 is a cross-sectional view at B of FIG. 1;

fig. 4 is a schematic structural diagram of the zero setting scale and the scale pointer.

Description of the drawings: 1. the grinding wheel, 2, the diamond pen, 3, a slotted screw, 4, a diamond pen holder, 5, a fastening screw, 6, a flat collision block, 7, a limit screw, 8, a finishing end cover, 9, a dial, 10, a hexagon socket screw, 11, a tensioning nut, 12, a cylindrical pin, 13, an anti-backlash spring, 14, a threaded rod, 15, a pressing arm, 16, a motor cover, 17, an arched frame, 1701, a first arched arm, 1702, a connecting frame, 1703, a second arched arm, 18, a rotary bow, 1801, a rotary bow arm, 1802, a rotary bow outer cylinder, 19, a zero setting scale, 20, a scale pointer, 21, a supporting seat, 22, a limit support, 23 and a top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example 1

Referring to fig. 1 to 4, a gap eliminating device for a rotary bow dresser includes a rotary bow 18 and a diamond pen 2 for dressing a grinding wheel 1, the rotary bow 18 includes two rotary bow arms 1801, the two rotary bow arms 1801 are commonly connected to a rotary bow outer cylinder 1802, the diamond pen 2 extends into the rotary bow outer cylinder 1802, the gap eliminating device includes a threaded rod 14 rotatably disposed in the rotary bow outer cylinder 1802, the threaded rod 14 extends out of the rotary bow outer cylinder 1802 and is fixedly connected to a rotating assembly, a section of the threaded rod 1802 located in the rotary bow outer cylinder 1802 is connected to a pressing arm 15 and a tensioning nut 11 through threads, the pressing arm 15 is fixedly connected to the diamond pen 2, the pressing arm 15 is fixedly connected to the tensioning nut 11, the threaded rod 14 is sleeved with a gap eliminating spring 13, and two ends of the gap eliminating spring 13 respectively push against the pressing arm 15 and the tensioning nut 11.

Taking a motor as an example of a driving device, a conventional swing bow trimmer drives the swing bow 18 through the motor, and the motor drives the swing bow 18 to perform a swing motion and also vibrates the swing bow 18, so that a gap is generated in a structure in the outer cylinder 1802 of the swing bow.

The utility model discloses an application principle does: the threaded rod 14 is rotated through the rotating assembly, the threaded rod 14 only rotates, the threaded rod 14 does not move, when the threaded rod 14 rotates, the pressing arm 15 and the tensioning nut 11 do not rotate in the outer cylinder 1802 of the rotary bow, the pressing arm 15 and the tensioning nut 11 move in positions on the threaded rod 14 along the axial direction of the threaded rod 14, and the pressing arm 15 drives the diamond pen 2 to move until the diamond pen 2 moves to a designated position. In the process that the pressing arm 15 and the tensioning nut 11 move, the pressing arm 15 and the tensioning nut 11 are fixedly connected to ensure that the distance between the pressing arm 15 and the tensioning nut 11 is constant all the time, the anti-backlash spring 13 is a compression spring, the distance between the pressing arm 15 and the tensioning nut 11 ensures that the anti-backlash spring 13 is in a compression state, the anti-backlash spring 13 is compressed to generate elastic force in opposite directions on the pressing arm 15 and the tensioning nut 11, and the pressing arm 15 and the tensioning nut 11 are always subjected to the elastic force, so that the pressing arm 15 and the threaded rod 14 are connected more tightly, when the threaded rod 14 is ensured to rotate, the pressing arm 15 can be completely synchronous with the threaded rod 14, the gap caused by the vibration of a slewing bow dresser is eliminated, the diamond pen 2 is more stable when performing arc dressing on the grinding wheel 1, and the diamond pen 2 cannot swing phenomenon when the grinding wheel 1 is dressed.

Example 2

Example 2 is an improvement on the basis of example 1: the connection mode between the pressing arm 15 and the tensioning nut 11 is as follows: the tensioning nut 11 and the pressing arm 15 are both provided with pin holes, and the tensioning nut 11 and the pressing arm 15 are connected through a cylindrical pin 12.

The compression arm 15 and the tensioning nut 11 are integrated through the connection of the cylindrical pin 12, so that a proper distance is kept between the compression arm 15 and the tensioning nut 11, and the anti-backlash spring 13 is always in a compressed state.

Example 3

Example 3 is an improvement over example 1: the outer rotating bow cylinder 1802 is provided with a fastening screw 5 in a penetrating manner, a strip-shaped groove is formed in the pressing arm 15 along the length direction, and the fastening screw 5 extends into the strip-shaped groove.

The fastening screw 5 has two functions: firstly, the pressing arm 15 is prevented from rotating along with the threaded rod 14, the pressing arm 15 is guaranteed to only do linear motion, when the threaded rod 14 rotates, the fastening screw 5 can prevent the pressing arm 15 from rotating, the pressing arm 15 does not rotate, the tensioning nut 11 fixedly connected with the pressing arm 15 cannot rotate, and the pressing arm 15 and the tensioning nut 11 are guaranteed to only do linear motion in the outer cylinder 1802 of the rotary bow; secondly, the pressing arm 15 is prevented from moving, because the rotary bow 18 is driven by the motor to generate vibration, and the pressing arm 15 is connected with the threaded rod 14 through threads, and the position of the pressing arm 15 on the threaded rod 14 may deviate in the vibration process, so that the pressing arm 15 needs to be fixed after the diamond pen 2 moves to a specified position, specifically, after the diamond pen 2 moves to the specified position, the threaded rod 14 stops rotating, then the fastening screw 5 rotates, the fastening screw 5 pushes the pressing arm 15 against the threaded rod 14, and the position of the pressing arm 15 is fixed, so that the pressing arm 15 is prevented from moving.

Example 4

Example 4 is an improvement over example 1: the concrete structure of the rotating assembly is as follows: the rotating assembly comprises a finishing end cover 8 and a dial 9, the finishing end cover 8 is fixedly connected with the outer cylinder 1802 of the rotary bow, a through hole is formed in the finishing end cover 8, the threaded rod 14 penetrates through the through hole and then is fixedly connected with the dial 9, the threaded rod 14 extends along the radial direction to form a protrusion, and the protrusion is located between the tensioning nut 11 and the finishing end cover 8 and is in contact with the finishing end cover 8.

The finishing end cover 8 is connected with the outer cylinder 18 of the rotary bow through screws. Half threaded holes are formed in the end portion of the threaded rod 14 and the dial 9, and the threaded rod 14 is connected with the dial 9 through the hexagon socket head cap screw 10. The protrusions and the dial 9 are both in contact with the finishing end cover 8, so that the position of the dial 9 is prevented from being changed in the process of rotating the dial 9, and the dial 9 is guaranteed to have only a rotating function.

Example 5

Example 5 is a modification made on the basis of example 1: the rotary bow outer cylinder 1802 is detachably provided with a scale pointer 20 and is slidably provided with a zero setting scale 19 matched with the scale pointer 20, the length direction of the zero setting scale 19 is parallel to the length direction of the threaded rod 14, the zero setting scale 19 is fixedly connected with a top plate 23, and the diamond pen 2 faces the top plate 23.

The scale pointer 20 and the zero setting scale 19 are used to determine the position of the nib of the diamond pen 2. The scale pointer 20 is arranged on the outer cylinder 1802 of the rotary bow through a plurality of fixing bolts, and the scale pointer 20 does not move. The zero setting scale 19 is provided with a strip-shaped hole, at least two connecting bolts are arranged in the strip-shaped hole and connected with the outer cylinder 1802 of the rotary bow, the connecting bolts are distributed on the outer cylinder 1802 of the rotary bow along a straight line and are parallel to the axial direction of the threaded rod 14 in the straight line direction, the extending direction of the strip-shaped hole is parallel to the axial direction of the threaded rod 14, and the zero setting scale 19 moves linearly on the outer cylinder 1802 of the rotary bow. The top plate 23 is perpendicular to the threaded rod 14, and the surface of the top plate 23 close to the threaded rod 23 is flush with the zero scale of the zero setting scale 19.

The use principle is as follows: initially, determining the displacement of the diamond pen 2 by the radius of the grinding wheel 1, adjusting the position of the zero-setting scale 19 to make the zero scale aligned with the scale pointer 20, and making the pen point of the diamond pen 2 contact with the surface of the top plate 23 close to the threaded rod 14; then, the threaded rod 14 is rotated to drive the diamond pen 2 to move leftwards, the diamond pen 2 pushes the top plate 23 to move towards the same direction, and the top plate 23 drives the zero setting scale 19 to slide along the extending direction of the strip-shaped hole until the scale pointer 20 points to the zero setting scale 19 and the displacement of the diamond pen 2 is the same; after stopping turning the threaded rod 14, the fixing bolt and the connecting bolt are removed, and the scale pointer 20 and the zero setting scale 19 are removed.

Example 6

Example 6 is a modification made on the basis of example 1: in order to enable the diamond pen 2 to also perform straight dressing on the grinding wheel 1: gyration bow trimmer still includes bow 17, gyration bow arm 1801 rotates with bow 17 to be connected, is provided with two sets of spacing subassemblies that are used for avoiding gyration bow 18 to rotate on bow 17, and spacing subassembly is worn to be equipped with stop screw 7 including fixed spacing support 22 that sets up on bow 17 on spacing support 22, two fixed orificess have been seted up on gyration bow urceolus 1802, are provided with flat collision piece 6 in the fixed orifices, stop screw 7 towards flat collision piece 6.

The bow-shaped frame 17 comprises a first bow-shaped arm 1701 and a second bow-shaped arm 1703, the first bow-shaped arm 1701 and the second bow-shaped arm 1703 are connected with a connecting frame 1702 together, a motor cover 16 used for protecting a motor is fixedly arranged on the first bow-shaped arm 1701, the motor is arranged in the motor cover 16, the second bow-shaped arm 1703 is fixedly connected with a supporting seat 21, cavities are formed in the first bow-shaped arm 1701 and the supporting seat 21 in a penetrating mode, a motor shaft of the motor extends into the cavity of the first bow-shaped arm 1701, a rotary bow arm 1801 extends to form a connecting shaft, one connecting shaft extends into the cavity of the first bow-shaped arm 1701 to be connected with the motor shaft, the other connecting shaft extends into the cavity of the supporting seat 21, and the connecting shaft is rotatably arranged in the corresponding cavity through bearings.

When the grinding wheel 1 needs to be trimmed linearly, the limit screw 7 is screwed until the limit screw 7 abuts against the flat collision block 6, then the grinding wheel 1 is trimmed by the diamond pen 2 through moving the grinding wheel 1, and the flat collision block 6 is pressed by the limit screw 7, so that the rotary bow outer cylinder 1802 is fixed on the bow-shaped frame 17 by the limit assembly, the bow-shaped frame 17 does not move in the trimming process, and the rotary bow outer cylinder 1802 does not rotate.

When the arc trimming is required to be performed on the grinding wheel 1, the limit screw 7 is unscrewed, the limit screw 7 is separated from the flat collision block 6, the rotary bow arm 1801 is driven by the motor to rotate, the rotary bow arm 1801 drives the rotary bow outer cylinder 1802 to rotate, and the diamond pen 2 performs arc trimming on the grinding wheel 1 in the rotating process of the rotary bow outer cylinder 1802.

Example 7

Example 7 is a modification made on the basis of example 1: to further fix the position of the diamond pen 2: 2 fixedly connected with buddha's warrior attendant pen stand 4 of buddha's warrior attendant pen stand 4 with hold-down arm 15 fixed connection wears to be equipped with slotted screw 3 that is used for the tight buddha's warrior attendant pen 2 in top on the buddha's warrior attendant pen stand 4.

The diamond pen seat 4 can absorb vibration, reduce the influence of vibration on the diamond pen 2 and improve the finishing precision.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a gap eliminating device for gyration bow trimmer, gyration bow trimmer include gyration bow (18) and diamond pen (2) that are used for finishing emery wheel (1), and gyration bow (18) include two gyration bow arms (1801), and two gyration bow arms (1801) are connected with gyration bow urceolus (1802) jointly, and diamond pen (2) stretch into in gyration bow urceolus (1802), its characterized in that: the anti-backlash device comprises a threaded rod (14) which is rotatably arranged in a rotary bow outer cylinder (1802), a rotating assembly is fixedly connected with the threaded rod (14) after the threaded rod (14) extends out of the rotary bow outer cylinder (1802), a pressing arm (15) and a tensioning nut (11) are connected to one section of the threaded rod (14) in the rotary bow outer cylinder (1802) through threads, the pressing arm (15) is fixedly connected with the diamond pen (2), the pressing arm (15) is fixedly connected with the tensioning nut (11), an anti-backlash spring (13) is sleeved on the threaded rod (14), and two ends of the anti-backlash spring (13) respectively push against the pressing arm (15) and the tensioning nut (11).

2. The anti-backlash device for a swing bow trimmer of claim 1, wherein: the tensioning nut (11) and the pressing arm (15) are both provided with pin holes, and the tensioning nut (11) and the pressing arm (15) are connected through a cylindrical pin (12).

3. The anti-backlash device for a swing bow trimmer of claim 1, wherein: the rotating assembly comprises a finishing end cover (8) and a dial (9), the finishing end cover (8) is fixedly connected with the rotary bow outer cylinder (1802), a through hole is formed in the finishing end cover (8), the threaded rod (14) penetrates through the through hole and then is fixedly connected with the dial (9), the threaded rod (14) extends along the radial direction to form a protrusion, and the protrusion is located between the tensioning nut (11) and the finishing end cover (8) and is in contact with the finishing end cover (8).

4. The anti-backlash device for a swing bow trimmer of claim 1, wherein: the rotary bow outer cylinder (1802) is detachably provided with a scale pointer (20) and is slidably provided with a zero setting scale (19) matched with the scale pointer (20), the length direction of the zero setting scale (19) is parallel to the length direction of the threaded rod (14), the zero setting scale (19) is fixedly connected with a top plate (23), and the diamond pen (2) faces the top plate (23).

5. The anti-backlash device for a swing bow trimmer of claim 1, wherein: gyration bow trimmer still includes bow (17), gyration bow arm (1801) rotates with bow (17) to be connected, is provided with two sets of spacing subassemblies that are used for avoiding gyration bow (18) pivoted on bow (17), and spacing subassembly wears to be equipped with stop screw (7) including fixed spacing support (22) that set up on bow (17) on spacing support (22), two fixed orificess have been seted up on gyration bow urceolus (1802), are provided with flat collision piece (6) in the fixed orifices, and stop screw (7) collide piece (6) towards the flat collision.

6. The anti-backlash device for a swing bow trimmer of claim 1, wherein: diamond pen (2) fixedly connected with diamond pen seat (4), diamond pen seat (4) with compress tightly arm (15) fixed connection, wear to be equipped with slotted screw (3) that are used for top tight diamond pen (2) on diamond pen seat (4).