CN217143323U

CN217143323U - Centerless grinding machine

Info

Publication number: CN217143323U
Application number: CN202220781985.6U
Authority: CN
Inventors: 黄惠坤; 方岳权; 丁立锋; 莫剑涌
Original assignee: Zhejiang Shangyu Oil Seal Manufacture Co ltd
Current assignee: Zhejiang Shangyu Oil Seal Manufacture Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-09
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to a centerless grinder, it includes the bed body and sets up dull polish wheel, adjustment wheel on the bed body, the rack that is used for placing the work piece and drive work piece along work piece axial displacement's actuating mechanism, dull polish wheel with the adjustment wheel all rotates the setting and is in just be located respectively on the bed body the both sides of rack, be provided with on the bed body and be used for the drive dull polish motor of dull polish wheel pivoted and be used for the drive adjustment wheel pivoted adjustment motor, dull polish wheel with the adjustment wheel all slides and sets up on the bed body, be provided with on the bed body and be used for the drive dull polish wheel with the adjustment wheel is close to each other or the moving mechanism who keeps away from. The machining range of the centerless grinding machine can be enlarged, and the effect of increasing the types of workpieces which can be machined by the centerless grinding machine is achieved.

Description

Centerless grinding machine

Technical Field

The application relates to the field of grinding machines, in particular to a centerless grinding machine.

Background

The centerless grinding machine has high production efficiency and large grinding amount, is beneficial to processing slender shaft workpieces, and is easy to realize high-speed grinding and strong grinding.

The utility model discloses a chinese utility model patent that grant bulletin number is CN209737191U discloses a centerless grinder convenient to ejection of compact, including the bed body, grinding emery wheel, regulating wheel and work piece support, the grinding emery wheel outside is provided with the set casing, be provided with liftout device on the set casing, the liftout device is including setting up in the regulating plate in the set casing outside, regulating plate upper end fixedly connected with fixed plate, fixed plate upper end interval is provided with two locating plates, wear to be equipped with the liftout pole between two locating plates, be provided with the liftout cylinder on the fixed plate, the piston rod of liftout cylinder is provided with the liftout strip of being connected with the liftout pole, the bed body is provided with the blown down tank in one side that the grinding emery wheel deviates from the liftout device. After the workpiece is machined, the ejection cylinder drives the ejection strip to move the ejection rod to eject the workpiece on the workpiece support to the discharge chute, so that the manual material taking is replaced, and the safety factor is increased while the material discharging efficiency is improved.

In the equipment, the distance between the adjusting wheel and the grinding wheel is fixed, so that the equipment cannot be adapted to different types of workpieces, and the application range is small.

SUMMERY OF THE UTILITY MODEL

In order to enlarge the processing range of the centerless grinding machine and increase the types of workpieces which can be processed, the application provides the centerless grinding machine.

The application provides a centerless grinder adopts following technical scheme:

the utility model provides a centerless grinder, includes the bed body and sets up grinding wheel, adjusting wheel on the bed body, the rack that is used for placing the work piece and drive work piece along work piece axial displacement's actuating mechanism, grinding wheel with the adjusting wheel all rotates the setting and is in on the bed body and be located respectively the both sides of rack, be provided with on the bed body and be used for the drive grinding wheel pivoted dull polish motor with be used for the drive the adjusting wheel pivoted adjusting motor, grinding wheel with the adjusting wheel all slides and sets up on the bed body, be provided with on the bed body and be used for the drive grinding wheel with the moving mechanism that the adjusting wheel is close to each other or keeps away from.

By adopting the technical scheme, before the centerless grinder works, the grinding wheel and the adjusting wheel are close to or far away from each other by utilizing the moving mechanism, so that the distance between the grinding wheel and the adjusting wheel is adjusted, the processing range of the centerless grinder is effectively expanded, and the types of workpieces which can be processed by the centerless grinder are increased; during operation will treat that the processing work piece is placed on the rack, then start dull polish motor and adjustment motor to it is rotatory to drive dull polish wheel and adjusting wheel, and the speed of dull polish wheel is very fast, and the speed of adjusting wheel is slower, and the adjusting wheel plays to the tight effect of support to the work piece, under actuating mechanism's effect, makes the work piece when being polished and along work piece axial displacement, thereby polishes the whole lateral wall of work piece, and is rational in infrastructure.

Optionally, the bed body is provided with dull polish mounting bracket and adjustment mounting bracket of sliding on, dull polish motor with the emery wheel all sets up on the dull polish mounting bracket, adjustment motor with the adjusting wheel all sets up on the adjustment mounting bracket, moving mechanism is used for the drive dull polish mounting bracket with the adjustment mounting bracket is close to each other or is kept away from.

Through adopting above-mentioned technical scheme, utilize moving mechanism to drive dull polish mounting bracket and adjustment mounting bracket and be close to each other or keep away from to drive dull polish wheel and adjusting wheel and be close to each other or keep away from, and then adjust the distance between dull polish wheel and the adjusting wheel, rational in infrastructure.

Optionally, be provided with the slide rail on the bed body, the dull polish mounting bracket with the adjustment mounting bracket all slides on the slide rail, moving mechanism is including being used for the drive the dull polish mounting bracket is followed the dull polish moving member that slide rail length direction removed with be used for the drive the adjustment mounting bracket removes to be followed slide rail length direction's adjustment moving member.

Through adopting above-mentioned technical scheme, utilize the slide rail to carry on spacingly to dull polish mounting bracket and adjustment mounting bracket, then drive the dull polish mounting bracket through the dull polish moving member and remove along slide rail length direction, drive the adjustment moving member through the adjustment moving member and remove along slide rail length direction to adjust the distance between dull polish wheel and the regulating wheel.

Optionally, a first support rod is arranged on the sanding mounting frame, the first support rod is arranged in the sliding rail in a sliding manner, a first moving rod is arranged on the first support rod, the first moving rod penetrates out of the sliding rail in the width direction of the sliding rail, a first rack is arranged on the first moving rod in the length direction of the sliding rail, the sanding moving member includes a first motor and a first gear, the first motor is arranged on the bed body, and the first gear is coaxially and fixedly connected with an output shaft of the first motor and is meshed with the first rack.

By adopting the technical scheme, the first motor is utilized to drive the first gear to rotate, the first gear rotates to drive the first rack to move along the length direction of the sliding rail, the first rack drives the first moving rod to move along the length direction of the sliding rail, the first moving rod drives the first supporting rod to move along the length direction of the sliding rail, and the first supporting rod drives the frosted mounting frame to move along the length direction of the sliding rail.

Optionally, the rack is including placing the pole and two and placing the piece, two place the piece and all set up on the bed body, place the pole setting two place on the piece and follow slide rail width direction sets up, the upper surface of placing the pole is seted up and is followed place the standing groove of pole length direction, the standing groove runs through place the both ends of pole.

Through adopting above-mentioned technical scheme, the during operation is placed the work piece in the standing groove, and the standing groove has played storage and limiting displacement to the work piece, and is rational in infrastructure.

Optionally, the placing groove is V-shaped in cross section.

Through adopting above-mentioned technical scheme, can play better supporting effect to the work piece standing groove homoenergetic of different diameters size.

Optionally, two positioning grooves are formed in the upper surface of the bed body in the vertical direction, the two placing blocks are arranged in the positioning grooves in a sliding mode respectively, a positioning bolt is connected to the bed body in a threaded mode, and the rod portion of the positioning bolt abuts against the placing blocks.

Through adopting above-mentioned technical scheme, unscrew positioning bolt, remove positioning bolt to the restriction of placing the piece for the height-adjustable of rack, after the high setting of rack finishes, screw up positioning bolt, make positioning bolt support tightly and place the piece, make the rack fixed. To the work piece of not unidimensional, the height of corresponding regulation rack for the tight work piece of support that grinding wheel and regulating wheel can be better, rational in infrastructure.

Optionally, the driving mechanism includes a first cylinder, a second cylinder and a push rod, the first cylinder is disposed on the bed body and the piston rod is vertically upward disposed, the second cylinder is disposed on the piston rod of the first cylinder, the piston rod of the second cylinder is horizontally disposed and faces the placing rod, and the push rod is disposed on the piston rod of the second cylinder and is coaxial with the piston rod of the second cylinder.

Through adopting above-mentioned technical scheme, the piston rod of first cylinder is flexible to adjust the height of second cylinder, make the height of push rod all the time can be the same with the height of standing groove, the piston rod extension of second cylinder makes the push rod promote the work piece along standing groove length direction and removes, simple structure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. before the centerless grinder works, the grinding wheel and the adjusting wheel are close to or far away from each other by utilizing the moving mechanism, so that the distance between the grinding wheel and the adjusting wheel is adjusted, the machining range of the centerless grinder is effectively expanded, and the types of workpieces which can be machined by the centerless grinder are increased;

2. the moving mechanism is used for driving the grinding mounting frame and the adjusting mounting frame to be close to or far away from each other, so that the grinding wheel and the adjusting wheel are driven to be close to or far away from each other, the distance between the grinding wheel and the adjusting wheel is adjusted, and the structure is reasonable;

3. the piston rod of first cylinder is flexible to adjust the height of second cylinder, make the height of push rod all the time can be the same with the height of standing groove, the piston rod extension of second cylinder makes the push rod promote the work piece along standing groove length direction and removes simple structure.

Drawings

Fig. 1 is a schematic perspective view of a centerless grinder in an embodiment of the present application.

Fig. 2 is a schematic diagram for showing the positional relationship among the regulating wheel, the placing frame and the grinding wheel in the embodiment of the present application.

Fig. 3 is a schematic perspective view of a bed in an embodiment of the present application.

Fig. 4 is a schematic diagram of a positional relationship among the bed, the first slide rail, the second slide rail and the placing rack in the embodiment of the present application.

Fig. 5 is a schematic view of the connection between the sanding mount and the adjustment mount and the first and second slide rails according to an embodiment of the present disclosure.

Description of reference numerals: 1. a bed body; 11. grinding a grinding wheel; 12. an adjustment wheel; 13. positioning a groove; 14. positioning the bolt; 15. a first plate; 16. a second plate; 17. a third plate; 2. placing a rack; 21. placing the blocks; 22. placing a rod; 23. a placement groove; 31. a first slide rail; 311. a first chute; 312. a second chute; 32. a second slide rail; 4. a frosted mounting rack; 41. a frosted shaft; 42. a frosted motor; 43. a first support bar; 44. a first movable bar; 45. a first rack; 5. adjusting the mounting rack; 51. an adjustment shaft; 52. adjusting the motor; 53. a second support bar; 54. a second movable bar; 55. a second rack; 6. a moving mechanism; 61. a frosted moving part; 611. a first motor; 612. a first gear; 62. adjusting the moving part; 621. a second motor; 622. a second gear; 7. a drive mechanism; 71. a first cylinder; 72. a second cylinder; 73. a push rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a centerless grinding machine. Referring to fig. 1 and 2, a centerless grinding machine includes a bed 1, a grinding wheel 11 disposed on the bed 1, an adjusting wheel 12, a placing frame 2 for placing a workpiece, and a driving mechanism 7 for driving the workpiece to move axially along the workpiece.

Referring to fig. 2 and 3, two locating grooves 13 along vertical direction are seted up to the upper surface of the bed body 1, and rack 2 includes that two are placed piece 21 and one are placed pole 22, and two are placed piece 21 and are slided respectively and set up in two locating grooves 13, and threaded connection has two positioning bolt 14 on the bed body 1, and the pole portion of two positioning bolt 14 supports tightly two respectively and places piece 21. The placing rod 22 is welded on the upper surfaces of the two placing blocks 21, and the two placing blocks 21 are respectively positioned at positions close to the two ends of the placing rod 22. The upper surface of placing pole 22 is seted up along placing pole 22 length direction and run through the standing groove 23 of placing pole 22 both ends, and the cross section of standing groove 23 is the V-arrangement.

Referring to fig. 3, a horizontal first plate 15, a second plate 16 and a third plate 17 are welded to the same side wall of the bed 1.

Referring to fig. 4, the upper surface of the bed body 1 is welded with two slide rails, namely a first slide rail 31 and a second slide rail 32, the first slide rail 31 and the second slide rail 32 are both arranged along the length direction of the vertical placement rod 22, the first slide rail 31 and the second slide rail 32 are both located below the placement rod 22, and the first slide rail 31 and the second slide rail 32 are located between the two placement blocks 21. The second slide rail 32 is located on a side of the first slide rail 31 facing away from the first plate 15. First spout 311 and second spout 312 have been seted up on the inside wall of first slide rail 31, and first spout 311 and second spout 312 all run through the outside wall that first slide rail 31 back to second slide rail 32 along first slide rail 31 width direction.

Referring to fig. 2, the first slide rail 31 and the second slide rail 32 are slidably provided with a sanding mounting bracket 4 and an adjustment mounting bracket 5, and the sanding mounting bracket 4 and the adjustment mounting bracket 5 are respectively located at both sides of the placing rod 22.

Referring to fig. 1 and 2, a sanding shaft 41 is rotatably connected to the sanding mounting frame 4, the sanding shaft 41 is axially fixed to the sanding mounting frame 4 along the sanding shaft 41, the sanding wheel 11 is coaxially and fixedly connected to the sanding shaft 41, a sanding motor 42 is fixedly mounted to the sanding mounting frame 4, and an output shaft of the sanding motor 42 is coaxially and fixedly connected to the sanding shaft 41.

Referring to fig. 5, the bottom end of the sanding mounting frame 4 is integrally provided with two first support rods 43, and the two first support rods 43 are respectively slidably disposed on the first slide rail 31 and the second slide rail 32, so that the sanding mounting frame 4 is slidably disposed on the first slide rail 31 and the second slide rail 32.

Referring to fig. 5, a first moving rod 44 is welded on the first supporting rod 43 in the first slide rail 31, the first moving rod 44 penetrates through the first slide slot 311 along the width direction of the first slide rail 31 and is slidably disposed in the first slide slot 311, a first rack 45 is welded on the surface of the first moving rod 44 opposite to the first supporting rod 43, and the first rack 45 is parallel to the first slide rail 31.

Referring to fig. 1 and 2, an adjusting shaft 51 is rotatably connected in the adjusting mounting frame 5, the adjusting shaft 51 is axially fixed on the adjusting mounting frame 5 along the adjusting shaft 51, the adjusting wheel 12 is coaxially and fixedly connected on the adjusting shaft 51, an adjusting motor 52 is fixedly installed on the adjusting mounting frame 5, and an output shaft of the adjusting motor 52 is coaxially and fixedly connected with the adjusting shaft 51.

Referring to fig. 5, two second support rods 53 are integrally arranged at the bottom end of the adjustment mounting frame 5, the two second support rods 53 are respectively arranged on the first slide rail 31 and the second slide rail 32 in a sliding manner, so that the adjustment mounting frame 5 is arranged on the first slide rail 31 and the second slide rail 32 in a sliding manner, a second moving rod 54 is welded on the second support rod 53 arranged on the first slide rail 31, the second moving rod 54 penetrates out of the second sliding groove 312 along the width direction of the first slide rail 31, a second rack 55 is welded on the surface of the second moving rod 54 opposite to the second support rod 53, and the second rack 55 is parallel to the first slide rail 31.

Referring to fig. 1, a moving mechanism 6 for driving the sanding mounting frame 4 and the adjustment mounting frame 5 to approach or separate from each other is disposed on the bed body 1, and the moving mechanism 6 includes a sanding moving member 61 for driving the sanding mounting frame 4 to move along the length direction of the first slide rail 31 and an adjustment moving member 62 for driving the adjustment mounting frame 5 to move along the length direction of the first slide rail 31.

Referring to fig. 1, the sanding moving member 61 includes a first motor 611 and a first gear 612, the first motor 611 is fixedly installed on the first plate 15, an output shaft of the first motor 611 is vertically upward, and the first gear 612 is coaxially and fixedly connected with the output shaft of the first motor 611 and meshed with the first rack 45.

Referring to fig. 1, the adjusting moving member 62 includes a second motor 621 and a second gear 622, the second motor 621 is fixedly mounted on the second plate 16, an output shaft of the second motor 621 faces upward, and the second gear 622 is coaxially and fixedly connected with the output shaft of the second motor 621 and meshed with the second rack 55.

Referring to fig. 2, the driving mechanism 7 includes a first cylinder 71, a second cylinder 72 and a push rod 73, the first cylinder 71 is fixedly installed on the third plate 17, the piston rod of the first cylinder 71 is vertically upward, the cylinder body of the second cylinder 72 is welded on the piston rod of the first cylinder 71, and the piston rod of the second cylinder 72 is horizontally disposed and faces the second slide rail 32. The push rod 73 is welded to the piston rod of the second cylinder 72 and is coaxial with the piston rod of the second cylinder 72.

The implementation principle of the centerless grinding machine in the embodiment of the application is as follows: before work, start first motor 611 and second motor 621, first motor 611 drives first gear 612 rotatory, first gear 612 is rotatory to drive first rack 45 and moves along first slide rail 31 length direction, first rack 45 drives first carriage release lever 44 and moves along first slide rail 31 length direction, first carriage release lever 44 drives first bracing piece 43 and moves along first slide rail 31 length direction, first bracing piece 43 drives dull polish mounting bracket 4 and moves along first slide rail 31 length direction, dull polish mounting bracket 4 drives dull polish wheel 11 and moves along first slide rail 31 length direction. The second motor 621 drives the second gear 622 to rotate, the second gear 622 rotates to drive the second rack 55 to move along the length direction of the first slide rail 31, the second rack 55 drives the second moving rod 54 to move along the length direction of the first slide rail 31, the second moving rod 54 drives the second support rod 53 to move along the length direction of the first slide rail 31, the second support rod 53 drives the adjusting mounting frame 5 to move along the length direction of the first slide rail 31, and the adjusting mounting frame 5 drives the adjusting wheel 12 to move along the length direction of the first slide rail 31. Therefore, the distance between the grinding wheel 11 and the adjusting wheel 12 is adjusted, the processing range of the centerless grinding machine is effectively expanded, and the types of workpieces which can be processed by the centerless grinding machine are increased.

Then, the positioning bolt 14 is unscrewed, and the placing block 21 is moved, so that the height of the placing groove 23 is adjusted, the grinding wheel 11 and the tightening wheel can better tighten a workpiece, and the structure is reasonable. The first cylinder 71 is then activated so that the push rod 73 has the same height as the standing groove 23.

During operation, place the work piece and place in standing groove 23, then start dull polish motor 42 and adjusting motor 52, drive dull polish wheel 11 and regulating wheel 12 rotatory, and the speed of regulating wheel 12 is slower, and the speed of dull polish wheel 11 is very fast, and regulating wheel 12 plays the effect of supporting tightly to the work piece, and under the high-speed rotation of dull polish wheel 11, polish the lateral wall of work piece. When the sanding motor 42 and the adjusting motor 52 are started, the second air cylinder 72 is started, and the piston rod of the second air cylinder 72 extends, so that the push rod 73 abuts against the workpiece and pushes the workpiece to move along the length direction of the placing groove 23, the side wall of the whole workpiece is sanded, and the sanding machine is reasonable in structure.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A centerless grinding machine, characterized by: including the bed body (1) and set up grinding wheel (11), adjusting wheel (12), rack (2) and the actuating mechanism (7) of drive work piece along work piece axial displacement for placing the work piece on the bed body (1), grinding wheel (11) with adjusting wheel (12) all rotate to set up on the bed body (1) and be located respectively the both sides of rack (2), be provided with on the bed body (1) and be used for the drive grinding wheel (11) pivoted dull polish motor (42) and be used for the drive adjusting wheel (12) pivoted adjusting motor (52), grinding wheel (11) with adjusting wheel (12) all slide and set up on the bed body (1), be provided with on the bed body (1) and be used for the drive grinding wheel (11) with moving mechanism (6) that adjusting wheel (12) are close to each other or keep away from each other.

2. A centerless grinder as defined in claim 1, wherein: the utility model discloses a bed body, including bed body (1), dull polish mounting bracket (4), adjustment mounting bracket (5), dull polish motor (42) with dull polish wheel (11) all set up on dull polish mounting bracket (4), adjustment motor (52) with adjusting wheel (12) all set up on adjustment mounting bracket (5), moving mechanism (6) are used for the drive dull polish mounting bracket (4) with adjustment mounting bracket (5) are close to each other or keep away from.

3. A centerless grinder as defined in claim 2, wherein: the utility model discloses a frosted adjustment bed, including bed body (1), be provided with the slide rail on the bed body (1), dull polish mounting bracket (4) with adjustment mounting bracket (5) all slide on the slide rail, moving mechanism (6) are including being used for the drive dull polish mounting bracket (4) are followed dull polish moving member (61) that slide rail length direction removed and being used for the drive adjustment mounting bracket (5) remove and follow slide rail length direction's adjustment moving member (62).

4. A centerless grinder as defined in claim 3, wherein: be provided with first bracing piece (43) on dull polish mounting bracket (4), first bracing piece (43) slide and set up in the slide rail, be provided with first carriage release lever (44) on first bracing piece (43), first carriage release lever (44) are followed slide rail width direction wears out the slide rail, follow on first carriage release lever (44) slide rail length direction is provided with first rack (45), dull polish moving member (61) include first motor (611) and first gear (612), first motor (611) set up on bed body (1), first gear (612) with the coaxial fixed connection of output shaft of first motor (611) and with first rack (45) meshing.

5. A centerless grinder as defined in claim 3, wherein: the placing rack (2) comprises a placing rod (22) and two placing blocks (21), wherein the placing blocks (21) are arranged on the bed body (1), the placing rod (22) is arranged on the placing block (21) and is arranged along the width direction of the sliding rail, the upper surface of the placing rod (22) is provided with a placing groove (23) along the length direction of the placing rod (22), and the placing groove (23) penetrates through the two ends of the placing rod (22).

6. A centerless grinder as defined in claim 5, wherein: the cross section of the placing groove (23) is V-shaped.

7. A centerless grinder as defined in claim 5, wherein: two positioning grooves (13) are formed in the upper surface of the bed body (1) in the vertical direction, the placing blocks (21) are arranged in the positioning grooves (13) in a sliding mode respectively, positioning bolts (14) are connected to the bed body (1) in a threaded mode, and rod portions of the positioning bolts (14) abut against the placing blocks (21).

8. A centerless grinder as defined in claim 7, wherein: the driving mechanism (7) comprises a first air cylinder (71), a second air cylinder (72) and a push rod (73), the first air cylinder (71) is arranged on the bed body (1) and a piston rod is vertically arranged upwards, the second air cylinder (72) is arranged on the piston rod of the first air cylinder (71), the piston rod of the second air cylinder (72) is horizontally arranged and faces the placing rod (22), and the push rod (73) is arranged on the piston rod of the second air cylinder (72) and is coaxial with the piston rod of the second air cylinder (72).