CN112318235A

CN112318235A - Centerless grinding machine with automatic feeding device

Info

Publication number: CN112318235A
Application number: CN202011113680.XA
Authority: CN
Inventors: 唐刚恒; 李明光; 雷成龙; 邓维绍
Original assignee: Chiba Metal Products Shenzhen Co ltd
Current assignee: Chiba Metal Products Shenzhen Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-02-05
Anticipated expiration: 2040-10-17
Also published as: CN112318235B

Abstract

The utility model relates to a centerless grinder with automatic feeding device, including the organism, still including connecting just deliver to the bar on the organism loading attachment in the organism, loading attachment is including fixing at subaerial last work or material rest, it is provided with the loading hopper that is used for placing the bar on the work or material rest, is used for transporting the bar fortune material mechanism in the organism and is used for following the bar the loading hopper shifts to the last loading attachment of fortune material mechanism. This application has automatic feeding, reduces workman intensity of labour's effect.

Description

Centerless grinding machine with automatic feeding device

Technical Field

The application relates to the field of centerless grinding machines, in particular to a centerless grinding machine with an automatic feeding device.

Background

A centerless grinding machine is a grinding machine which can grind without adopting the axle center positioning of a workpiece, is widely applied in the technical field of machining, and mainly comprises a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel is used for actually carrying out grinding work, the adjusting wheel controls the rotation of the workpiece and the feed speed of the workpiece, and the workpiece support plays a role in supporting the workpiece during grinding.

The centerless grinding machine can be widely applied to grinding of various bars, and in the related technology, when the bars grind workpieces on the centerless grinding machine, the bars are mostly fed into the centerless grinding machine for processing in a manual feeding mode.

Aiming at the related technologies, the inventor thinks that the manual feeding mode is adopted, so that the defect of wasting labor resources exists, and certain potential safety hazards exist.

Disclosure of Invention

In order to liberate labor force and reduce production cost, the application provides a centerless grinder with automatic feeding device.

The application provides a centerless grinder with automatic feeding device adopts following technical scheme:

the centerless grinding machine with the automatic feeding device comprises a machine body and a feeding device, wherein the feeding device is connected to the machine body and sends a bar material into the machine body, the feeding device comprises a feeding frame fixed on the ground, and a feeding hopper used for placing the bar material, a material conveying mechanism used for conveying the bar material into the machine body and a feeding mechanism used for transferring the bar material from the feeding hopper to the material conveying mechanism are arranged on the feeding frame.

Through adopting above-mentioned technical scheme, in placing the feeding funnel with the bar, under the effect of fortune material mechanism, the bar shifts to the feed mechanism in proper order on to process in the organism under the effect of feed mechanism.

Preferably, the material conveying device comprises a support fixed on the ground, a plurality of material conveying rollers parallel to each other are rotatably connected to the support, rotating shafts of the material conveying rollers penetrate through the side wall of the support, driving wheels are fixed on the side wall of the support, transmission motors driving the driving wheels to rotate are fixed on the side wall of the end portion of the support, driving belts surrounding the driving wheels and driving the driving wheels to rotate simultaneously are arranged on the driving wheels, and a plurality of limiting rods preventing bars from being separated from the material conveying rollers are vertically fixed on the two sides of the support along the length direction of the support.

By adopting the technical scheme, the transmission motor is started to drive the transmission wheel to rotate, the transmission wheel drives the driving belt to move, and the transmission wheels are driven to synchronously rotate under the action of the driving belt, so that the bar stock is rotated into the machine body.

Preferably, the support is cup jointed each other by a plurality of link and forms, the link is fixed with the connecting rod that is the level setting along length direction's both ends, wherein offers the spread groove that is used for the adjacent connecting rod of joint on length direction along the connecting rod tip of one end.

Through adopting above-mentioned technical scheme, the support is cup jointed each other by a plurality of link and is formed, the installation of the support of being convenient for, dismantle with the transfer.

Preferably, the connecting rod is provided with a plurality of limiting holes along the length direction, the connecting frame is fixedly provided with a limiting frame which penetrates through one of the limiting holes and prevents the two brackets from moving relatively, and the brackets are provided with an adjusting mechanism which is used for enabling the driving belt to be always abutted against the driving wheel tightly.

Through adopting above-mentioned technical scheme, spacing can insert in the locating hole of difference, is convenient for adjust the position relation between two adjacent link to the length of adjusting the support.

Preferably, the adjusting mechanism includes a plurality of adjusting rods vertically disposed on the support, one end of each adjusting rod, which is far away from the support, is rotatably connected to an adjusting roller which is tightly abutted to the outer wall of the driving belt, the adjusting rods are disposed above and below the support in a staggered manner, and the track of the driving belt moves in a vertical direction, the support is provided with an adjusting assembly for moving the adjusting rods in the vertical direction, the adjusting mechanism further includes a plurality of guide rollers rotatably connected to the support, and the guide rollers are disposed on two sides of the driving wheel and make the driving belt always abut against the driving wheel.

Through adopting above-mentioned technical scheme, the effect of guide roll makes the driving band support tightly all the time to the drive wheel, and the rotation of the drive wheel of being convenient for makes the regulation pole move in vertical direction according to the length of support, guarantees that the driving band is in the state of tightening all the time.

Preferably, the adjusting rod slides and sets up on the support, adjusting part includes threaded connection and is in adjusting screw on the support, adjusting screw one end is fixed with and is convenient for adjusting screw pivoted handle, and the other end supports tightly adjust and is in just prevent on the pole adjusting the pole and move in vertical direction.

By adopting the technical scheme, the adjusting rod is acted on according to the length of the bracket to move in the vertical direction, so that the driving belt is always kept in a tightening state.

Preferably, the feeding hopper comprises a support plate and baffles, the support plate is downward inclined towards the support position, the baffles are arranged on two sides of the support plate and used for preventing bars from being separated from the support plate, one side of the support plate is close to a switch plate which is used for connecting the two baffles and can move in the vertical direction, a positioning block is fixed on the upper end face of each baffle, a positioning rod which runs through the positioning block is arranged on each positioning block, a plurality of positioning holes for inserting the positioning rod are formed in each switch plate, one end of each positioning rod is inserted into each positioning hole, a positioning lug is fixed at the other end of each positioning rod, a positioning spring is sleeved on each positioning rod, and the positioning springs pull the positioning rods.

Through adopting above-mentioned technical scheme, on placing the backup pad with the bar, according to the size of bar diameter, make the switch board at vertical upward movement, make and form the passageway that only supplies a bar to pass through between switch board and the backup pad, under positioning spring's effect, make the locating lever insert the locating hole, prevent that the switch board from moving in vertical direction.

Preferably, the feeding mechanism comprises a feeding roller which is rotatably connected to the feeding frame, a plurality of feeding grooves which can only be used for placing one bar are axially formed in the outer wall of the feeding roller, and a power assembly which drives the feeding roller to rotate is arranged on the feeding frame.

Through adopting above-mentioned technical scheme, the switch board is opened, and the bar gets into the material loading inslot from the space between switch board and the backup pad, rotates the material loading roller, and the bar in the material loading inslot shifts to the material transporting roller in proper order.

Preferably, the power assembly comprises a driven flywheel fixedly connected to the rotating shaft of the feeding roller, a driving flywheel rotatably connected to the feeding frame, and a chain connected to the driving flywheel and the driven flywheel, and a driving motor for driving the driving flywheel to rotate is fixed to the feeding frame.

Through adopting above-mentioned technical scheme, driving motor drives the flywheel and rotates, and under the effect of chain, driven flywheel rotates with drive flywheel synchronization, and the material loading roller rotates, makes the bar shift to the material transporting roller.

Preferably, the side wall of the end, away from the support, of the feeding frame is provided with a storage box for storing bars in a sliding manner, the side wall of the feeding frame is fixedly provided with a feeding cylinder for driving the storage box to move upwards, the storage box is arranged in an opening manner with the side wall abutted against the side wall of the support, and the upper surface of the bottom plate of the storage box inclines downwards towards the direction of the support plate.

Through adopting above-mentioned technical scheme, the setting of storage case is used for storing unnecessary bar, makes things convenient for the bar to shift to the backup pad on.

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

1. a bar stock is placed on the supporting plate, the bar stock enters the feeding groove from a channel formed between the supporting plate and the switch plate, the feeding roller rotates to transfer the bar stock onto the conveying roller, and the bar stock is conveyed into the machine body to be processed under the action of the conveying motor;

2. the setting of storage case is used for storing the bar, reduces the burden of feeding funnel.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of a connection structure of a mounting plate according to an embodiment of the present application.

Fig. 3 is a schematic view of a connection structure of a connection frame according to an embodiment of the present application.

Description of reference numerals: 1. a body; 2. a feeding frame; 3. feeding a hopper; 4. a material storage box; 5. a sliding groove; 6. a slide bar; 7. a feeding cylinder; 8. a support plate; 9. a baffle plate; 10. a switch plate; 11. a guide groove; 12. positioning blocks; 13. positioning a rod; 14. positioning holes; 15. positioning the bump; 16. a positioning spring; 17. a limiting frame; 18. a material conveying roller; 19. a driving wheel; 20. a drive motor; 21. a drive belt; 22. a limiting rod; 23. a connecting frame; 24. a connecting rod; 25. connecting grooves; 26. a limiting hole; 27. a connecting spring; 28. adjusting a rod; 29. a regulating roller; 30. a guide roller; 31. adjusting the screw rod; 32. a handle; 33. a feeding roller; 34. a feeding trough; 35. a driven flywheel; 36. driving a flywheel; 37. a chain; 38. a drive motor; 39. a fixed block; 40. mounting grooves; 41. and (7) installing the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses centerless grinder with automatic feeding device. Referring to fig. 1, a centerless grinder with an automatic feeding device includes a machine body 1 fixed on the ground, and a feeding device connected to the machine body 1. The feeding device comprises a feeding frame 2 fixed on the ground, a feeding hopper 3 used for placing bars is fixed at the upper end of the feeding frame 2, a feeding mechanism is arranged on the feeding frame 2 at the position of a discharging opening of the feeding hopper 3, the feeding device further comprises a conveying mechanism fixed on the ground, one end of the conveying mechanism is connected to the machine body 1, and the other end of the conveying mechanism is used for receiving the bars transferred from the feeding mechanism.

Referring to fig. 1 and 2, be provided with the storage tank 4 that is used for depositing the bar on the lateral wall that feed mechanism was kept away from at last work or material rest 2, storage tank 4 is the opening setting with the terminal surface of 2 lateral wall butts of last work or material rest, the vertical groove of sliding 5 of setting up transverse section for "T" shape of 2 lateral walls of last work or material rest, the end fixing that is the opening setting at the play work or material rest has the joint of sliding 6 in groove of sliding 5 and transverse section for "T" shape, the vertical material loading jar 7 that is fixed with on 2 lateral walls of last work or material rest, material loading jar 7 cylinder body is fixed on last work or material rest 2, the lower surface at storage tank 4 is fixed to the connecting rod, the bottom plate upper surface of storage tank 4 is by keeping away from feed mechanism. The bar stock is placed in the storage box 4, the axes of the bar stock are parallel to each other, the feeding cylinder 7 is started to drive the storage box 4 to move upwards, and partial bar stock in the storage box 4 enters the feeding hopper 3, so that the purpose of feeding the feeding hopper 3 is achieved.

Referring to fig. 1 and 2, feeding funnel 3 is including fixing backup pad 8 in support upper end just, backup pad 8 is by storage case 4 towards support one side downward sloping, be fixed with the baffle 9 that is vertical setting in backup pad 8 upper surface both sides position, baffle 9 perpendicular to bar axis, prevent that the bar from breaking away from backup pad 8 at the in-process that shifts, one side of keeping away from storage case 4 in backup pad 8 is provided with can be setting up the switch board 10 of direction line motion, guide way 11 has vertically been seted up at the inside wall of baffle 9, switch board 10 connects two baffles 9 and the joint that slides at both ends in guide way 11. A positioning block 12 is fixed on the upper end face of the baffle 9 near the switch board 10, a positioning rod 13 penetrating through the positioning block 12 is arranged on the positioning block 12, a plurality of positioning holes 14 are formed in the switch board 10, the positioning rod 13 can be inserted into one positioning hole 14, the positioning rod is used for controlling the size of an opening formed between the switch board 10 and the support plate 8, so that bars with different diameters can pass through, one end of the positioning rod 13 is inserted into the positioning hole 14, the other end of the positioning rod is fixed with a positioning lug 15, a positioning spring 16 is sleeved on the positioning rod 13 between the positioning lug 15 and the positioning block 12, one end of the positioning spring 16 is fixed on the positioning block 12, the other end of the positioning spring is fixed on the positioning lug 15, and the.

Referring to fig. 1 and 3, the material transporting device comprises a support fixed on the ground, the support is parallel to the axis of the bar, a plurality of material transporting rollers 18 which are parallel to each other and are rubber rollers are rotatably connected to the support, the material transporting rollers 18 are parallel to each other and the axis of the material transporting rollers is perpendicular to the axis of the bar, the diameter of the material transporting rollers 18 is gradually reduced from two ends to the center, and the bar is prevented from being separated from the support in the transporting process. The rotating shaft of the conveying roller 18 penetrates through the side wall of the support, a driving wheel 19 is fixed on the rotating shaft of the conveying roller 18 on the side wall of the support, a driving motor 20 for driving the driving wheel 19 to rotate is fixed at the end of the support, a driving belt 21 which surrounds the driving wheels 19 and drives the driving wheels 19 to rotate synchronously is arranged on the driving wheel 19, a plurality of limiting rods 22 are vertically fixed on the upper surface of the support along two side positions on the length, and the limiting rods 22 are arranged to prevent the bars from separating from the conveying roller 18 in the conveying process.

Referring to fig. 1 and 2, the support is formed by splicing a plurality of connecting frames 23 in sequence, the connecting frames 23 are fixed with connecting rods 24 which are horizontally arranged and perpendicular to the axis of the material conveying roller 18 at two ends along the length direction, connecting grooves 25 are formed in the connecting rods 24 at one end of the connecting frames 23 along the axis direction, the connecting rods 24 on the adjacent connecting frames 23 are inserted into the connecting grooves 25, a plurality of limiting holes 26 are formed in the connecting rods 24 along the length direction, connecting springs 27 which are vertically arranged are fixed on the connecting rods 24 positioned on the outer side, the upper ends of the connecting springs 27 are fixed on the connecting rods 24, the lower ends of the connecting springs are fixed with limiting frames 17, the limiting frames 17 penetrate through the connecting grooves 25 and are inserted into the limiting holes 26 under the effect of the connecting springs 27, and relative movement of the adjacent two connecting frames 23.

Referring to fig. 1 and 2, an adjusting mechanism for making the driving belt 21 always abut against the driving wheel 19 is arranged on the bracket, the adjusting mechanism comprises an adjusting rod 28 arranged on the connecting frame 23 in a sliding manner, an adjusting roller 29 abutting against the outer wall of the driving belt 21 is fixed at one end of the adjusting rod 28 far away from the connecting frame 23, and two adjacent adjusting rods 28 are arranged in a staggered manner in the vertical direction, so that two adjacent adjusting rollers 29 respectively abut against the outer wall of the upper driving belt 21 and the outer wall of the lower driving belt 21, and the moving track of the driving belt 21 fluctuates in the vertical direction. An adjusting assembly for moving the adjusting rod 28 in the vertical direction is provided on the bracket, and the driving rod is moved in the vertical direction by the adjusting assembly, so that the moving path of the driving belt 21 is changed, and the positional relationship between the two adjacent connecting brackets 23 is conveniently adjusted. The connecting frames 23 on both sides of the driving wheel 19 are rotatably connected with guide rollers 30, and the guide rollers 30 are abutted with the outer wall of the driving belt 21 so as to enable the driving belt 21 to be always abutted with the driving wheel 19.

Referring to fig. 1 and 3, an adjusting assembly for enabling the adjusting rod 28 to move in the vertical direction is arranged on the connecting frame 23, the adjusting assembly comprises a fixing block 39 fixed on the outer side wall of the connecting frame 23, an adjusting screw 31 is connected to the fixing block 39 in a threaded manner, a mounting groove 40 with a T-shaped transverse section is vertically formed in the outer side wall of the connecting frame 23, a mounting block 41 which is slidably clamped in the mounting groove 40 and has a T-shaped transverse section is integrally formed on the adjusting rod 28, one end of the adjusting screw 31 abuts against the adjusting rod 28, a handle 32 convenient for the adjusting screw 31 to rotate is fixed at the other end of the adjusting screw 31, the end of the adjusting screw 31 abuts against the adjusting rod 28 by rotating the handle 32, and the adjusting rod 28 is prevented from moving in.

Referring to fig. 1 and 2, the feeding mechanism includes a feeding roller 33 rotatably connected to the feeding frame 2, the feeding roller 33 is located between the switch board 10 and the connecting frame 23, a plurality of feeding grooves 34 capable of only placing a bar are axially formed in the outer wall of the feeding roller 33, the bar to be polished rolls down into the feeding grooves 34 from a channel between the support plate 8 and the switch board 10, the feeding roller 33 rotates by a certain angle to enable another feeding roller 33 to fall into the adjacent feeding groove 34, the bar in the feeding groove 34 is separated from the feeding groove 34 and falls onto the conveying roller 18, and the bar is conveyed into the machine body 1 under the action of the conveying roller 18.

Referring to fig. 1 and 2, a power assembly for driving the feeding roller 33 to rotate is disposed on the feeding frame 2, the power assembly includes a driven flywheel 35 fixedly connected to a rotating shaft of the feeding roller 33, a driving flywheel 36 rotatably connected to the feeding frame 2, and a driving motor 38 fixed to the feeding frame 2, an output shaft of the driving motor 38 is fixed to the rotating shaft of the driving flywheel 36 and drives the driving flywheel 36 to rotate, and a chain 37 connected to the driven flywheel 35 and driving the driven flywheel 35 to rotate synchronously is disposed on the driving flywheel 36.

The implementation principle of the centerless grinding machine with the automatic feeding device is as follows: the bar stock is placed in the storage box 4, the feeding cylinder 7 is started to enable the storage box 4 to move upwards, part of bar stock in the storage box 4 enters the supporting plate 8 and enters the feeding groove 34 from a gap between the supporting plate 8 and the switch plate 10, the driving motor 38 rotates to enable the bar stock in the feeding groove 34 to be transferred to the conveying roller 18, the driving motor 20 is started to drive the conveying roller 18 to rotate under the action of the driving belt 21, and the conveying roller 18 transfers the bar stock to the machine body 1 for processing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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. The utility model provides a centerless grinder with automatic feeding device, includes organism (1), its characterized in that: the feeding device comprises a feeding frame (2) fixed on the ground, wherein a feeding hopper (3) used for placing bars, a conveying mechanism used for conveying the bars into the machine body (1) and a feeding mechanism used for transferring the bars from the feeding hopper (3) to the conveying mechanism are arranged on the feeding frame (2).

2. The centerless grinder with an automatic feeding device of claim 1, wherein: the conveying device comprises a support fixed on the ground, wherein a plurality of conveying rollers (18) parallel to each other are rotatably connected to the support, rotating shafts of the conveying rollers (18) penetrate through the side wall of the support, driving wheels (19) are fixed on the side wall of the support, transmission motors (20) driving the driving wheels (19) to rotate are fixed on the side wall of the end part of the support, driving belts (21) surrounding the driving wheels (19) and driving the driving wheels (19) to rotate simultaneously are arranged on the driving wheels (19), and a plurality of limiting rods (22) preventing bars from being separated from the conveying rollers (18) are vertically fixed on the two sides of the support along the length direction of the support.

3. The centerless grinder with an automatic feeding device of claim 2, wherein: the support is cup jointed each other by a plurality of link (23) and is formed, link (23) are fixed with connecting rod (24) that are the level setting along length direction's both ends, and connecting rod (24) tip of wherein one end is offered on length direction and is used for joint spread groove (25) of adjacent connecting rod (24).

4. The centerless grinder with an automatic feeding device of claim 3, wherein: the connecting rod (24) is provided with a plurality of limiting holes (26) along the length direction, the connecting frame (23) is fixedly provided with a limiting frame (17) which penetrates through one of the limiting holes (26) and prevents the two brackets from moving relatively, and the brackets are provided with an adjusting mechanism which is used for enabling the driving belt (21) to be always tightly abutted against the driving wheel (19).

5. The centerless grinder with an automatic feeding device of claim 4, wherein: the adjusting mechanism comprises a plurality of adjusting rods (28) vertically arranged on the support, one end, far away from the support, of each adjusting rod (28) is rotatably connected with an adjusting roller (29) tightly abutted to the outer wall of the driving belt (21), the adjusting rods (28) are arranged above and below the support in a staggered mode, the track of the driving belt (21) moves fluctuates in the vertical direction, an adjusting assembly used for enabling the adjusting rods (28) to move in the vertical direction is arranged on the support, the adjusting mechanism further comprises a plurality of guide rollers (30) rotatably connected to the support, and the guide rollers (30) are located on two sides of the driving wheel (19) and enable the driving belt (21) to be always abutted to the driving wheel (19).

6. The centerless grinder with an automatic feeding device of claim 5, wherein: adjust pole (28) and slide and set up on the support, adjusting part includes threaded connection adjusting screw (31) on the support, adjusting screw (31) one end is fixed with and is convenient for adjusting screw (31) pivoted handle (32), and the other end supports tightly adjust pole (28) and go up and prevent adjust pole (28) and move in vertical direction.

7. The centerless grinder with an automatic feeding device of claim 6, wherein: the feeding hopper (3) comprises a support plate (8) which inclines downwards towards the support position and baffles (9) which are arranged at two sides of the support plate (8) and prevent the bar stock from separating from the support plate (8), a switch board (10) which is connected with the two baffle plates (9) and can move in the vertical direction is arranged on one side of the supporting board (8) close to the bracket, a positioning block (12) is fixed on the upper end surface of the baffle plate (9), a positioning rod (13) penetrating through the positioning block (12) is arranged on the positioning block (12), the switch plate (10) is provided with a plurality of positioning holes (14) for inserting the positioning rods (13), one end of the positioning rod (13) is inserted into the positioning hole (14), the other end is fixed with a positioning lug (15), the positioning rod (13) is sleeved with a positioning spring (16), and the positioning spring (16) pulls the positioning rod (13) to penetrate through the positioning hole (14) all the time.

8. The centerless grinder with an automatic feeding device of claim 7, wherein: the feeding mechanism comprises a feeding roller (33) which is rotatably connected onto the feeding frame (2), a plurality of feeding grooves (34) which can only be used for placing one bar are axially formed in the outer wall of the feeding roller (33), and a power assembly which drives the feeding roller (33) to rotate is arranged on the feeding frame (2).

9. The centerless grinder with an automatic feeding device of claim 8, wherein: the power assembly comprises a driven flywheel (35) fixedly connected to a rotating shaft of the feeding roller (33), a driving flywheel (36) rotatably connected to the feeding frame (2), and a chain (37) connected with the driving flywheel (36) and the driven flywheel (35), wherein a driving motor (38) for driving the driving flywheel (36) to rotate is fixedly arranged on the feeding frame (2).

10. The centerless grinder with an automatic feeding device of claim 9, wherein: go up the work or material rest (2) and keep away from the side wall of the one end of support and go up to slide and be provided with storage case (4) that are used for depositing the bar, it is fixed with material loading cylinder (7) of drive storage case (4) upward movement on work or material rest (2) side wall to go up, storage case (4) are the opening setting with the side wall of support lateral wall butt, storage case (4) bottom plate upper surface is the downward sloping towards backup pad (8) direction.