阅读说明：本技术 一种无心磨砂轮的在线修整机 (Online finisher of centerless grinding wheel ) 是由 周志敏 唐爱根 黄小平 于 2021-07-07 设计创作，主要内容包括：本发明公开了一种无心磨砂轮的在线修整机,包括底座、连接座和砂轮,砂轮转动连接于底座上,连接座位于底座的上端中间,底座的上端设有导向槽,底座位于导向槽的两侧都设有定位孔,连接座的下端固定连接有定位机构,连接座的前端滑动连接有连接台,连接台的前端设有凹槽,凹槽内固定连接有固定台,固定台的下端固定连接有修整头,修整头正对砂轮轴线,连接座为T型结构,连接座的左侧设有连接腔,连接腔为圆形结构,连接腔内固定连接有导向机构,导向机构和连接腔内壁之间转动连接有遮挡板,遮挡板上固定连接有连接块,连接块的下端设有连接口,连接口处转动连接有连接齿轮,本发明能对砂轮在线进行修整,无需将砂轮进行安装和拆卸,方便快捷。(The invention discloses an online trimming machine of a centerless grinding wheel, which comprises a base, a connecting seat and a grinding wheel, wherein the grinding wheel is rotatably connected on the base, the connecting seat is positioned in the middle of the upper end of the base, the upper end of the base is provided with a guide groove, positioning holes are respectively arranged on two sides of the guide groove, the lower end of the connecting seat is fixedly connected with a positioning mechanism, the front end of the connecting seat is slidably connected with a connecting platform, the front end of the connecting platform is provided with a groove, a fixed platform is fixedly connected in the groove, the lower end of the fixed platform is fixedly connected with a trimming head, the trimming head is opposite to the axis of the grinding wheel, the connecting seat is of a T-shaped structure, the left side of the connecting seat is provided with a connecting cavity which is of a circular structure, the guide mechanism is fixedly connected in the connecting cavity, a baffle plate is rotatably connected between the guide mechanism and the inner wall of the connecting cavity, a connecting block is fixedly connected on the baffle plate, the lower end of the connecting block is provided with a connecting port, and a connecting gear is rotatably connected at the connecting port, the invention can finish the grinding wheel on line without mounting and dismounting the grinding wheel, and is convenient and fast.)

1. The utility model provides an online finisher of centerless grinding wheel, includes base (1), connecting seat (5) and emery wheel (2), its characterized in that: the grinding wheel (2) is rotationally connected to the base (1), the connecting seat (5) is located in the middle of the upper end of the base (1), a guide groove (3) is formed in the upper end of the base (1), positioning holes (4) are formed in two sides, located on the guide groove (3), of the base (1), a positioning mechanism (15) is fixedly connected to the lower end of the connecting seat (5), the front end of the connecting seat (5) is connected with a connecting table (12) in a sliding mode, a groove is formed in the front end of the connecting table (12), a fixing table (13) is fixedly connected into the groove, a trimming head (14) is fixedly connected to the lower end of the fixing table (13), the trimming head (14) is opposite to the axis of the grinding wheel (2), the connecting seat (5) is of a T-shaped structure, a connecting cavity (6) is formed in the left side of the connecting seat (5), the connecting cavity (6) is of a circular structure, and a guide mechanism (8) is fixedly connected into the connecting cavity (6), the connecting device is characterized in that a baffle plate (7) is rotatably connected between the guide mechanism (8) and the inner wall of the connecting cavity (6), a connecting block (17) is fixedly connected onto the baffle plate (7), a connecting port (19) is arranged at the lower end of the connecting block (17), a connecting gear (20) is rotatably connected to the connecting port (19), a connecting disc (9) is rotatably connected to the left side of the guide mechanism (8), and a driving mechanism (16) is arranged between the connecting table (12) and the connecting seat (5).

2. The on-line dresser for centerless grinding wheels of claim 1, wherein: positioning mechanism (15) comprises reference column (151) and two locating levers (152), reference column (151) fixed connection is in the middle of the lower extreme of connecting seat (5), the front end of reference column (151) is the hemisphere structure, two locating lever (152) fixed connection is in base (1) lower extreme, two locating lever (152) use reference column (151) as central symmetry setting, two locating lever (152) are L type structure, reference column (151) are pegged graft in guide way (3), locating lever (152) are pegged graft in locating hole (4).

3. The on-line dresser for centerless grinding wheels of claim 1, wherein: guiding mechanism (8) comprise spliced pole (81), spread groove (82) and connection tooth (83), spliced pole (81) fixed connection is in connecting chamber (6), the diameter of spliced pole (81) is less than the diameter of connecting chamber (6), the front end of spliced pole (81) is equipped with the scale, spread groove (82) are located the side of spliced pole (81), spread groove (82) encircle spliced pole (81) and set up, connection tooth (83) ring arrangement is in spread groove (82), meshing connection between connecting gear (20) and connection tooth (83).

4. The on-line dresser for centerless grinding wheels of claim 1, wherein: the shielding plate (7) is of an annular structure, the front end of the connecting block (17) is fixedly connected with a pointer (18), the front end of the pointer (18) is located at a scale, the side end of the connecting block (17) is in threaded connection with a limiting rod (22), and the top end of the limiting rod (22) abuts against the side end of the connecting gear (20).

5. The on-line dresser for centerless grinding wheels of claim 1, wherein: connection pad (9) side fixedly connected with fixed plate (10), the side fixedly connected with of connecting block (17) blocks board (21), block board (21) extend to connection pad (9) department.

6. The on-line dresser for centerless grinding wheels of claim 1, wherein: actuating mechanism (16) comprises drive gear (161), drive tooth (162), connecting piece (163) and spout (164), spout (164) are located the both sides of connecting platform (12), the two sets of connecting piece (163) of side fixedly connected with of base (1), drive tooth (162) array is in the right side of connecting platform (12), drive gear (161) rotate to be connected in the centre of connecting seat (5).

7. The on-line dresser for the centerless grinding wheel of claim 6, wherein: the connecting pieces (163) are located in an L-shaped structure, two connecting pieces (163) are arranged in each group, the two connecting pieces (163) are symmetrically arranged, and the two connecting pieces (163) are connected in the sliding groove (164) in a sliding mode.

8. The on-line dresser for the centerless grinding wheel of claim 6, wherein: drive gear (161) and connection pad (9) fixed connection, the outstanding connecting seat of drive gear (161) side (5), meshing connection between drive gear (161) and the drive tooth (162), the side fixed connection of connection pad (9) has handle (11).

Technical Field

The invention relates to the field of grinding wheel truing machines, in particular to an online truing machine for a centerless grinding wheel.

Background

The grinding wheel is a fixed die with certain strength, generally comprises an abrasive, a bonding agent and an air hole, and rotates at a high speed when in use to grind the surface of a workpiece. After the grinding wheel is used for a period of time, abrasive particles gradually become dull, and the processing quality of a ground workpiece is deteriorated. A truing machine is required to tru the grinding wheel to restore grinding performance and correct geometry. The existing grinding wheel dressing needs to dismount the grinding wheel firstly, the grinding wheel is mounted on a dressing machine, but the weight and the gear of the grinding wheel are large, so that the mounting and dismounting of the grinding wheel are time-consuming and labor-consuming.

Disclosure of Invention

The invention aims to provide an on-line finisher for a centerless grinding wheel, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an online trimming machine for a centerless grinding wheel comprises a base, a connecting seat and a grinding wheel, wherein the grinding wheel is rotatably connected to the base, the connecting seat is positioned in the middle of the upper end of the base, a guide groove is formed in the upper end of the base, positioning holes are formed in two sides of the guide groove, the lower end of the connecting seat is fixedly connected with a positioning mechanism, the front end of the connecting seat is slidably connected with a connecting table, a groove is formed in the front end of the connecting table, a fixing table is fixedly connected in the groove, a trimming head is fixedly connected to the lower end of the fixing table, the trimming head is opposite to the axis of the grinding wheel, the connecting seat is of a T-shaped structure, a connecting cavity is formed in the left side of the connecting seat, the connecting cavity is of a circular structure, a guide mechanism is fixedly connected in the connecting cavity, a shielding plate is rotatably connected between the guide mechanism and the inner wall of the connecting cavity, and a connecting block is fixedly connected to the shielding plate, the lower extreme of connecting block is equipped with the connector, connector department rotates and is connected with the connecting gear, guiding mechanism's left side rotates and is connected with the connection pad, be equipped with actuating mechanism between connection platform and the connecting seat.

Preferably, the positioning mechanism is composed of a positioning column and two positioning rods, the positioning column is fixedly connected to the middle of the lower end of the connecting seat, the front end of the positioning column is of a hemispherical structure, the two positioning rods are fixedly connected to the lower end of the base, the two positioning rods are symmetrically arranged by taking the positioning column as a center, the two positioning rods are of an L-shaped structure, the positioning column is inserted into the guide groove, and the positioning rods are inserted into the positioning holes.

Preferably, guiding mechanism comprises spliced pole, spread groove and connection tooth, spliced pole fixed connection is in connecting the intracavity, the diameter of spliced pole is less than the diameter of connecting the chamber, the front end of spliced pole is equipped with the scale, the spread groove is located the side of spliced pole, the spread groove encircles the spliced pole setting, connection tooth ring arrangement is in the spread groove, the meshing is connected between connection gear and the connection tooth.

Preferably, the shielding plate is of an annular structure, the front end of the connecting block is fixedly connected with a pointer, the front end of the pointer is located at the scale, the side end of the connecting block is in threaded connection with a limiting rod, and the top end of the limiting rod abuts against the side end of the connecting gear.

Preferably, the connecting disc side end is fixedly connected with a fixing plate, the side end of the connecting block is fixedly connected with a blocking plate, and the blocking plate extends to the connecting disc.

Preferably, actuating mechanism comprises drive gear, drive tooth, connecting piece and spout, the spout is located the both sides of connecting the platform, the two sets of connecting pieces of side fixedly connected with of base, drive the tooth array in the right side of connecting the platform, drive gear rotates and connects in the centre of connecting seat.

Preferably, the connecting piece is located L type structure, and every group the connecting piece is equipped with two, two the connecting piece symmetry sets up, two connecting piece sliding connection is in the spout.

Preferably, the driving gear is fixedly connected with the connecting disc, the side end of the driving gear protrudes out of the connecting seat, the driving gear is meshed with the driving teeth, and the side end of the connecting disc is fixedly connected with the handle.

Compared with the prior art, the invention has the beneficial effects that:

the grinding wheel can be machined and repaired without dismounting the grinding wheel, the base is provided with the guide groove and the positioning hole, the connecting seat is installed on the base, the dressing head is opposite to the axis of the grinding wheel through the positioning of the positioning mechanism, the dressing head can avoid dressing the grinding wheel, the precision in dressing is ensured, the grinding performance of the grinding wheel is recovered, and the precision of a workpiece during machining is ensured;

two, before dressing the emery wheel, the connecting block rotates, connecting gear moves around the spliced pole, rotatory gag lever post, the gag lever post extrudees connecting gear, carry on spacing fixed to connecting gear, when rotating the connection pad, drive through actuating mechanism's drive, drive joint table and the first downstream of trimming, it supports and leans on the emery wheel side to trim the head, the emery wheel is dressed when the pivoted, the barrier plate blocks the fixed plate, the turned angle of restriction connection pad, the displacement to trim the head is restricted, avoid trimming the first displacement overlength, lead to when dressing the emery wheel, the dressing of emery wheel is excessive, guarantee the maintained accuracy.

Drawings

FIG. 1 is a schematic view of a connecting structure of a dresser and a grinding wheel;

FIG. 2 is a schematic view of a connection structure of a guide mechanism;

FIG. 3 is a schematic view of the connection structure of the positioning mechanism and the driving mechanism;

fig. 4 is an enlarged schematic view a.

In the figure: the grinding wheel grinding machine comprises a base 1, a grinding wheel 2, a guide groove 3, a positioning hole 4, a connecting seat 5, a connecting cavity 6, a shielding plate 7, a guide mechanism 8, a connecting column 81, a connecting groove 82, a connecting tooth 83, a connecting disc 9, a fixing plate 10, a handle 11, a connecting table 12, a fixing table 13, a trimming head 14, a positioning mechanism 15, a positioning column 151, a positioning rod 152, a driving mechanism 16, a driving gear 161, a driving tooth 162, a connecting piece 163, a sliding chute 164, a connecting block 17, a pointer 18, a connecting port 19, a connecting gear 20, a blocking plate 21 and a limiting rod 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an online trimming machine for a centerless grinding wheel comprises a base 1, a connecting seat 5 and a grinding wheel 2, wherein the grinding wheel 2 is rotatably connected onto the base 1, the connecting seat 5 is positioned in the middle of the upper end of the base 1, a guide groove 3 is arranged at the upper end of the base 1, positioning holes 4 are formed in two sides of the guide groove 3 of the base 1, a positioning mechanism 15 is fixedly connected to the lower end of the connecting seat 5, a connecting table 12 is slidably connected to the front end of the connecting seat 5, a groove is formed in the front end of the connecting table 12, a fixing table 13 is fixedly connected in the groove, a trimming head 14 is fixedly connected to the lower end of the fixing table 13, the trimming head 14 is opposite to the axis of the grinding wheel 2, so that the trimming head 14 can trim the side end of the grinding wheel 2 to avoid deviation, the connecting seat 5 is of a T-shaped structure, a connecting cavity 6 is arranged on the left side of the connecting seat 5, the connecting cavity 6 is of a circular structure, a guiding mechanism 8 is fixedly connected in the connecting cavity 6, a shielding plate 7 is rotatably connected between the guiding mechanism 8 and the inner wall of the connecting cavity 6, fixedly connected with connecting block 17 on shielding plate 7, the lower extreme of connecting block 17 is equipped with connector 19, and connector 19 department rotates and is connected with connecting gear 20, and the left side of guiding mechanism 8 rotates and is connected with connection pad 9, is equipped with actuating mechanism 16 between joint stage 12 and the connecting seat 5, through installing the finisher on base 1, carries out online finishing to emery wheel 2, need not to lift emery wheel 2 off, whole process convenient and fast.

Positioning mechanism 15 comprises reference column 151 and two locating levers 152, reference column 151 fixed connection is in the middle of the lower extreme of connecting seat 5, the front end of reference column 151 is the hemisphere structure, make things convenient for reference column 151 joint to advance in the guide way 3, install connecting seat 5, two locating levers 152 fixed connection are in 1 lower extreme of base, two locating levers 152 use reference column 151 to set up as central symmetry, two locating levers 152 are L type structure, reference column 151 pegs graft in guide way 3, locating lever 152 pegs graft in locating hole 4, reference column 151 installation back, make things convenient for locating lever 152 to install, position to connecting seat 5 restricts the location, carry out the accurate positioning to the position of trimming head 14.

Guiding mechanism 8 is by spliced pole 81, spread groove 82 and connection tooth 83 are constituteed, spliced pole 81 fixed connection is in connecting chamber 6, the diameter of spliced pole 81 is less than the diameter of connecting chamber 6, the front end of spliced pole 81 is equipped with the scale, spread groove 82 is located spliced pole 81's side, spread groove 82 encircles the setting of spliced pole 81, it arranges in spread groove 82 to connect tooth 83 ring, meshing connection between connecting gear 20 and the connection tooth 83, it removes together to drive connecting block 17 when shielding plate 7 rotates, make connecting block 17 can use spliced pole 81 to remove as the center, confirm the position of connecting block 17, make things convenient for the installation of connection pad 9 simultaneously.

The shielding plate 7 is of an annular structure, the front end of the connecting block 17 is fixedly connected with the pointer 18, the front end of the pointer 18 is located at a scale, the side end of the connecting block 17 is in threaded connection with the limiting rod 22, the top end of the limiting rod 22 abuts against the side end of the connecting gear 20, the pointer 18 is pointed at different positions, the position of the connecting block 17 is determined, the limiting rod 22 is rotated, the limiting rod 22 extrudes the connecting gear 20, the connecting gear 20 is limited and fixed, and the positions of the connecting block 17 and the blocking plate 21 are limited.

Connecting disc 9 side fixedly connected with fixed plate 10, the side fixedly connected with of connecting block 17 blocks board 21, blocks board 21 and extends to connecting disc 9 department, and connecting disc 9 blocks fixed plate 10 when rotating, and inject connecting disc 9 pivoted angle, also restricts the distance that trimming head 14 removed simultaneously, avoids trimming head 14 to remove the local distance too big, leads to emery wheel 2 to repaire excessively.

The driving mechanism 16 is composed of a driving gear 161, driving teeth 162, connecting pieces 163 and sliding grooves 164, the sliding grooves 164 are located on two sides of the connecting table 12, two groups of connecting pieces 163 are fixedly connected to the side end of the base 1, the driving teeth 162 are arrayed on the right side of the connecting table 12, the driving gear 161 is rotatably connected to the middle of the connecting seat 5, the driving mechanism 16 drives the connecting table 12 and the fixing table 13 to drive the trimming head 14 to move, and the side end of the grinding wheel 2 is trimmed on line.

The connecting piece 163 is located L type structure, and every group connecting piece 163 is equipped with two, and two connecting piece 163 symmetries set up, and two connecting piece 163 sliding connection restrict in spout 164 the moving direction who connects platform 12 for connect platform 12 and can remove along vertical direction, will finish the head 14 and be close to or keep away from emery wheel 2.

The driving gear 161 is fixedly connected with the connecting disc 9, the side end of the driving gear 161 protrudes out of the connecting seat 5, the driving gear 161 is meshed with the driving teeth 162, the side end of the connecting disc 9 is fixedly connected with the handle 11, the connecting disc 9 is driven by the handle 11 to rotate, the connecting disc 9 drives the driving gear 161 to rotate together, and the driving gear 161 drives the connecting table 12 to move through meshing transmission.

The working principle is as follows: firstly, a positioning column 151 is inserted into a guide groove 3 to preliminarily position a connecting seat 5, then a positioning rod 152 is inserted into a positioning hole 4 to limit and position the position of the connecting seat 5, the position of a trimming head 14 is accurately positioned, the trimming head 14 is just opposite to the axis of a grinding wheel 2, a connecting block 17 is moved to a proper position, a limiting rod 22 is rotated to extrude a connecting gear 20, the connecting gear 20 is limited and fixed, a connecting disc 9 is driven by a handle 11 to rotate, the connecting disc 9 drives a driving gear 161 to rotate together, the driving gear 161 drives a connecting table 12 to move through meshing transmission, so that the connecting table 12 can move along the vertical direction, the trimming head 14 is close to the grinding wheel 2 to trim the grinding wheel 2, a blocking plate 21 blocks a fixing plate 10 in the process of rotating the connecting disc, the rotating angle of the connecting disc 9 is limited, and the moving distance of the trimming head 14 is also limited, the dressing head 14 is prevented from moving too far, so that the grinding wheel 2 is prevented from being dressed excessively.

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.