CN212071315U

CN212071315U - Automatic feeding mechanism of centerless grinding machine

Info

Publication number: CN212071315U
Application number: CN202020471703.3U
Authority: CN
Inventors: 林文良
Original assignee: Jiaxing Wenliang Metal Products Co ltd
Current assignee: Jiaxing Wenliang Metal Products Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-04
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to an automatic feeding mechanism of a centerless grinding machine, which comprises a feeding device, a material conveying device and a feeding device which are arranged on the ground from left to right in sequence, wherein the feeding device comprises a first bracket arranged on the ground and a feeding plate arranged at the upper end of the bracket, the material conveying device comprises a supporting plate fixed on the ground, a driving cylinder is vertically fixed on the upper surface of the supporting plate, a feeding piece is fixed on a connecting rod of the driving cylinder, a baffle plate is vertically fixed on the upper surface of the supporting plate, a material guide plate extending to the feeding device is fixed at the upper end of the baffle plate, the feeding plate is provided with a control device which comprises a control plate vertically arranged on the feeding plate, the two sides of the lower end face of the control plate are respectively and vertically fixed with an operating rod, a connecting piece connected with the feeding piece is arranged on the operating rod, and an adjusting mechanism used for adjusting the size of the channel is arranged on the connecting piece. The utility model discloses have and to satisfy different bar diameter pay-off effects.

Description

Automatic feeding mechanism of centerless grinding machine

Technical Field

The utility model relates to a file processing machinery technical field especially relates to an automatic feeding mechanism of centerless grinding machine.

Background

The centerless grinding machine is a grinding machine which does not need to adopt the axle center positioning of a workpiece for grinding, and mainly comprises a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel actually plays a role in grinding, the adjusting wheel controls the rotation of the workpiece and controls the feed speed of the workpiece, the workpiece support supports the workpiece during grinding, and the three parts can have a plurality of matching methods except for stopping grinding, and are the same in principle.

The chinese patent of publication No. CN206544099U discloses a centerless grinder automatic feeding device, including support frame, hopper, material loading push pedal, material loading cylinder and pay-off conveyer, the hopper includes bottom plate, hopper side riser, side shield, and the bottom plate, and the material loading push pedal is pressed close to hopper side riser and is installed in the open slot, and material loading push pedal bottom installation material loading cylinder, material loading push pedal can slide from top to bottom under material loading cylinder's promotion, hopper side riser top is equipped with a striker plate, utilizes the trip shaft to fix in the hopper both sides above the striker plate, and the trip shaft passes through the transmission connecting rod to be connected with the material loading cylinder, pay-off conveyer includes belt conveying roller and card flitch, and the card flitch comprises two L shape baffles, sets up the bar draw-in groove of filing, hopper side riser upper end is equipped with the smooth flitch that extends to the slope of bar draw-in groove. The utility model discloses can realize carrying the file bar for centerless grinder automatically, have that the recruitment is few, workman low in labor strength, easy operation, safe and reliable's advantage.

The above prior art solutions have the following drawbacks: although the device solves the feeding problem of the file rod, when the diameter of the file rod is too large, the file rod cannot be conveyed to the sliding plate by the feeding push plate; when the diameter of the file rod is too small, the feeding push plate can transfer two or more file rods to the sliding plate at the same time, and single conveying of the file rods cannot be realized, so that the file rods cannot be processed normally.

Therefore, a new feeding device is urgently needed in the market to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an automatic feeding mechanism of centerless grinder.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an automatic feeding mechanism of a centerless grinding machine comprises a feeding device, a material conveying device and a feeding device which are sequentially arranged on the ground from left to right, wherein the feeding device comprises a first support arranged on the ground and a feeding plate arranged at the upper end of the support, the feeding plate inclines downwards towards the material conveying device, the material conveying device comprises a supporting plate fixed on the ground, a driving air cylinder is vertically fixed on the upper surface of the supporting plate, a feeding piece is fixed on a connecting rod of the driving air cylinder, the upper surface of the feeding piece is consistent with the inclination direction of the feeding plate, when the connecting rod of the driving air cylinder contracts to the shortest, the highest point of the feeding piece is abutted against the lowest point of the upper surface of the feeding plate, a baffle is vertically fixed on the upper surface of the supporting plate, the baffle is abutted against the left side wall of the feeding piece, a guide plate extending to the feeding device is fixed at the upper end of the baffle, and the, the feeding plate is vertically provided with a control device which enables bars to sequentially enter the upper surface of a feeding part, the control device comprises a control plate which is vertically arranged on the feeding plate and penetrates through the upper surface and the lower surface of the feeding plate, two side positions of the lower end face of the control plate are respectively vertically fixed with an operating rod, the lower end of the operating rod is provided with a connecting piece connected with the feeding part, a driving cylinder drives the control plate to move in the vertical direction through the connecting piece to form a channel for the bars to pass through, and the connecting piece is provided with an adjusting mechanism for adjusting the size of the channel.

Through adopting above-mentioned technical scheme, drive actuating cylinder and start, on driving the bar on the material loading spare and shifting to material feeding unit, under material feeding unit's effect, the bar is shifted and is processed on the grinding machine, at the in-process that drives actuating cylinder and start, through the connecting piece effect, forms the passageway that supplies the bar to pass through between messenger's control panel lower extreme and the delivery sheet, when material loading spare gets back to the primary importance, the passageway is closed, and the bar moves material loading spare upper surface. Through acting on adjustment mechanism, the size of the passageway that forms between regulation control board and the delivery sheet to make the actuating cylinder of driving at the in-process of motion at every turn, have and only a bar can pass through this passageway, accomplish the autoloading of single bar, reduce manually operation's labour.

The utility model discloses further set up to: the material loading spare is including the material loading piece that is used for the material loading and the vertical connecting block of fixing terminal surface under the material loading piece, connecting block right side wall flushes with material loading piece right side wall, the connecting piece is including connecting two horizontal pole, the vertical montant and the horizontal connection of fixing horizontal pole lower surface central point and putting of terminal surface under the action bars the connecting rod of montant and connecting block.

Through adopting above-mentioned technical scheme, the connecting block flushes with material loading piece right side, avoids the connecting block to produce the interference to the material loading process, avoids simultaneously leading to the unable normal decline of material loading piece because of bar and connecting block lateral wall butt, the setting of connecting piece for but drive actuating cylinder simultaneous control material loading piece and control panel avoid increasing the waste that drive element caused the energy.

The utility model discloses further set up to: the adjusting mechanism comprises a T-shaped groove which is vertically arranged on the vertical rod and has a T-shaped transverse section, one end of the connecting rod is fixed on the connecting block, the other end of the connecting rod is fixed with a T-shaped block which is slidably clamped in the T-shaped groove, and the adjusting mechanism further comprises a nut which is connected to the connecting rod in a threaded manner and is abutted against the side wall of the vertical rod.

Through adopting above-mentioned technical scheme, the nut that rotates makes the control panel for the connecting rod moves in vertical direction, adjusts the size of the passageway that forms between control panel and the pay-off board according to the difference of bar diameter to satisfy the demand of different bar diameters.

The utility model discloses further set up to: the horizontal pole of montant both sides position is improved level and is fixed with a plurality of guide bars, a plurality of guide ways have vertically been seted up on the connecting block, the guide bar joint that slides is in the guide way.

Through adopting above-mentioned technical scheme, the in-process that drives actuating cylinder at the start is avoided in the setting of guide bar and guide way, produces because the power that is used in on the montant is inhomogeneous and rocks.

The utility model discloses further set up to: the feeding device comprises a second support fixed on the ground, a driving roller and a driven roller which are connected to the upper end of the second support in a rotating mode and a belt which surrounds the driving roller and the driven roller, and further comprises a motor fixed on the second support, a motor output shaft is connected with a rotating shaft of the driving roller, the moving direction of the belt is parallel to the axis direction of the bar stock, and a limiting plate which prevents the bar stock from being separated from the belt is vertically fixed on the second support of the guide plate far away from the belt.

Through adopting above-mentioned technical scheme, material feeding unit will treat that the bar that processes transports the grinding machine in and process, and the setting up of limiting plate prevents that the bar speed is too fast and break away from the belt.

The utility model discloses further set up to: rubber strips which surround the belt and are used for limiting the position of the bar stock are fixed on two sides of the belt in the moving direction respectively.

Through adopting above-mentioned technical scheme, the setting of rubber strip is convenient for the bar spacing, prevents that the bar from breaking away from the belt at the in-process that shifts.

The utility model discloses further set up to: and a proximity switch for detecting whether the bar stock exists or not is arranged on the second bracket.

Through adopting above-mentioned technical scheme, when installing proximity switch on the second support and detecting that there is not the bar on the belt, feed back the signal of transmission to the computer to on actuating cylinder is driven with the signal effect through the computer, make and drive actuating cylinder and start, carry out the material loading.

The utility model discloses further set up to: the lower end of the control plate is provided with an inclined guide surface on one side close to the bar, and the lower end surface of the guide surface inclines towards the direction far away from the feeding part.

Through adopting above-mentioned technical scheme, the setting up of deflector prevents that the control panel from causing the bar joint between the passageway owing to great with bar area of contact in the decline process, leads to the unable normal decline of material loading spare.

To sum up, the utility model discloses a beneficial technological effect does:

1. the driving cylinder is started to drive the bars on the feeding part to be transferred to the feeding device, a channel for the bars to pass through is formed between the lower end of the control plate and the feeding plate under the action of the connecting piece in the starting process of the driving cylinder, and the size of the channel formed between the control plate and the feeding plate is adjusted by acting on the adjusting mechanism so as to meet the requirements of different bar diameters;

2. when the bar of the belt is transferred to a grinding machine for processing, the proximity switch feeds back the emitted signal to the computer, and the signal is acted on the driving cylinder through the computer, so that the driving cylinder is started for feeding.

Drawings

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

Fig. 2 is a schematic structural diagram of the feeding mechanism and the feeding member.

Fig. 3 is a schematic view of the burst structure of the connector.

In the figure, 1, a feeding device; 2. a material conveying device; 3. a feeding device; 4. a first bracket; 5. a feeding plate; 6. a support plate; 7. a driving cylinder; 8. feeding parts; 9. a baffle plate; 10. a material guide plate; 11. a control device; 12. a control panel; 13. an operating lever; 14. a connecting member; 15. an adjustment mechanism; 16. feeding a material block; 17. connecting blocks; 18. a cross bar; 19. a vertical rod; 20. a connecting rod; 21. a T-shaped slot; 22. a T-shaped block; 23. a nut; 24. a guide bar; 25. a guide groove; 26. a second bracket; 27. a drive roll; 28. a driven roller; 29. a belt; 30. a motor; 31. a limiting plate; 32. a rubber strip; 33. a proximity switch; 34. a guide surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the automatic feeding mechanism of the centerless grinding machine disclosed by the present invention, comprising a feeding device 1, a material transfer device 2 and a feeding device 3 which are sequentially arranged on the ground from left to right, wherein the feeding device 3 comprises a first support 4 arranged on the ground and a feeding plate 5 arranged on the upper end of the support, the feeding plate 5 inclines downwards towards the material transfer device 2, the material transfer device 2 comprises a support plate 6 fixed on the ground, a driving cylinder 7 is vertically fixed on the upper surface of the support plate 6, a feeding member 8 is fixed on a connecting rod 20 of the driving cylinder 7, the upper surface of the feeding member 8 is consistent with the inclination direction of the feeding plate 5, when the connecting rod 20 of the driving cylinder 7 contracts to the shortest, the highest point of the feeding member 8 is abutted against the lowest point of the upper surface of the feeding plate 5, a baffle plate 9 is vertically fixed on the upper surface of the support plate 6, the baffle 9 is abutted against the left side wall of the feeding member 8, a guide plate 10 extending to the, the material guide plate 10 and the feeding plate 5 are inclined in the same direction. Under the action of the driving cylinder 7, the feeding part 8 rises, and because the upper surface of the feeding part 8 inclines towards the feeding mechanism, when the upper surface of the left side of the feeding part 8 is level with the upper surface of the baffle 9, under the action of gravity, the bar stock on the upper surface of the feeding part 8 enters the feeding device 1 along the stock guide plate 10, and the process of material transfer is completed.

Referring to fig. 1 and 2, a control device 11 is vertically arranged on the feeding plate 5 and used for enabling bars to sequentially reach the upper surface of the feeding part 8, the control device 11 comprises a control plate 12 which is vertically arranged on the feeding plate 5 and penetrates through the upper surface and the lower surface of the feeding plate 5, two side positions of the lower end face of the control plate 12 are respectively and vertically fixed with an operating rod 13, a connecting piece 14 connected with the feeding part 8 is arranged at the lower end of the operating rod 13, the driving cylinder 7 is started, the control plate 12 is driven to move in the vertical direction through the connecting piece 14, a channel for the bars to pass through is formed between the control plate 12 and the feeding plate 5, the feeding part 8 and the control plate 12 are jointly descended under the action of the driving cylinder 7, the channel is gradually reduced, the bars at the upper end of the feeding plate 5 cannot continuously pass through, and only one bar passes through.

Referring to fig. 2 and 3, the feeding member 8 includes a feeding block 16 for feeding and a connecting block 17 vertically fixed on a lower end surface of the feeding block 16, a right side wall of the connecting block 17 is flush with a right side wall of the feeding block 16, and the connecting member 14 includes a cross bar 18 connected on lower end surfaces of the two operation rods 13, a vertical bar 19 vertically fixed on a center position of a lower surface of the cross bar 18, and a connecting rod 20 horizontally connecting the vertical bar 19 and the connecting block 17.

Referring to fig. 2 and 3, an adjusting mechanism 15 for adjusting the size of the channel is arranged on the connecting rod 20, the adjusting mechanism 15 includes a T-shaped groove 21 which is vertically arranged on the vertical rod 19 and has a T-shaped transverse section, one end of the connecting rod 20 is fixed on the connecting block 17, the other end of the connecting rod 20 is fixed with a T-shaped block 22 which is slidably clamped in the T-shaped groove 21, and the adjusting mechanism 15 further includes a nut 23 which is connected to the connecting rod 20 by screw threads and is abutted to the side wall of the vertical rod 19. Depending on the diameter of the bar, turning the nut 23 causes the control plate 12 to move in a vertical direction with respect to the connecting rod 20, thus varying the size of the channel formed between the control plate 12 and the feeding plate 5 and causing the driving cylinder 7 to move during the passage of the bar with and only with it. A plurality of guide rods 24 are horizontally fixed on the cross rods 18 at the two sides of the vertical rod 19, a plurality of guide grooves 25 are vertically formed in the connecting block 17, and the guide rods 24 are slidably clamped in the guide grooves 25, so that the movement stability of the control panel 12 in the vertical direction is improved.

Referring to fig. 1, the feeding device 1 is fixed on a second support 26 on the ground, a driving roller 27 and a driven roller 28 rotatably connected to the upper end of the second support 26, and a belt 29 surrounding the driving roller 27 and the driven roller 28, the feeding device 1 further includes a motor 30 fixed on the second support 26, an output shaft of the motor 30 is rotatably connected to the driving roller 27, a moving direction of the belt 29 is parallel to an axial direction of the bar, the driving roller 27 is driven by the motor 30 to rotate, so as to drive the belt 29 to move, a limit plate 31 for preventing the bar from being separated from the belt 29 is vertically fixed on the second support 26 of the belt 29 far from the stock guide plate 10, rubber strips 32 surrounding the belt 29 and used for limiting the position of the bar are respectively fixed on two sides of the belt 29 along the moving direction, so as to prevent the bar from being separated.

Referring to fig. 1, a proximity switch 33 for detecting the presence or absence of a bar is provided on the second support 26, and when the proximity switch 33 detects the absence of a bar on the belt 29, a signal transmitted is fed back to the computer, and the computer applies the signal to the driving cylinder 7 to activate the driving cylinder 7 for feeding.

Referring to fig. 1 and 3, the lower end of the control plate 12 is provided with an inclined guide surface 34 close to one side of the bar, the lower end surface of the guide surface 34 inclines towards the direction away from the feeding part 8, and the control plate 12 is prevented from being clamped between the channels due to the fact that the contact area of the control plate 12 and the bar is large in the descending process, and the feeding part 8 cannot normally descend. The passage of movement of the control plate 12 in the vertical direction through the feed plate 5 is small due to the small thickness of the control plate 12, and the diameter of the rod is much larger than the through hole, so that the rod does not slide off the ground through the passage.

The implementation principle of the embodiment is as follows: the motor 30 starts to drive the driving roller 27 to rotate, thereby driving the belt 29 to move, when the proximity switch 33 on the second support 26 detects that no bar material exists on the belt 29, the signal is fed back to the computer, and the signal is transmitted to the driving cylinder 7 through the computer analysis, the driving cylinder 7 starts, the feeding part 8 is driven to ascend, the bar material on the upper surface of the feeding part 8 is transferred to the belt 29 through the guide plate 10, when the driving cylinder 7 starts, the control plate 12 is driven to move in the vertical direction through the connecting piece 14, a channel for the bar material to pass through is formed between the control plate 12 and the feeding plate 5, when the feeding part descends, the control plate 12 follows the descending, and the channel is closed. When the diameter of the bar stock changes, the position of the control plate 12 in the vertical direction is changed through the adjusting nut 23, so that the rising height of the control plate 12 is changed, the size of a channel formed by the control plate 12 and the feeding plate 5 is adjusted, and only one bar stock passes through the channel at each time.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An automatic feeding mechanism of a centerless grinding machine comprises a feeding device (1), a material conveying device (2) and a feeding device (3) which are sequentially arranged on the ground from left to right, wherein the feeding device (3) comprises a first support (4) arranged on the ground and a feeding plate (5) arranged at the upper end of the support, the feeding plate (5) inclines downwards towards the material conveying device (2), the material conveying device (2) comprises a support plate (6) fixed on the ground, a driving cylinder (7) is vertically fixed on the upper surface of the support plate (6), a feeding part (8) is fixed on a connecting rod of the driving cylinder (7), the upper surface of the feeding part (8) is consistent with the inclination direction of the feeding plate (5), the highest point of the feeding part (8) is abutted against the lowest point of the upper surface of the feeding plate (5) when the connecting rod of the driving cylinder (7) is contracted to the shortest, a baffle (9) is vertically fixed on the upper surface of the support plate (6), baffle (9) and material loading spare (8) left side wall butt, baffle (9) upper end is fixed with stock guide (10) that extend to material feeding unit (1), stock guide (10) are unanimous with delivery sheet (5) incline direction, vertical being provided with on delivery sheet (5) makes the bar enter into controlling means (11) of material loading spare (8) upper surface in proper order, its characterized in that: the control device (11) comprises a control plate (12) which is vertically arranged on the feeding plate (5) and penetrates through the upper surface and the lower surface of the feeding plate (5), operating rods (13) are vertically fixed to two side positions of the lower end face of the control plate (12) respectively, a connecting piece (14) connected with the feeding piece (8) is arranged at the lower end of each operating rod (13), the driving air cylinder (7) drives the control plate (12) to move in the vertical direction through the connecting piece (14) to form a channel for the bars to pass through, and an adjusting mechanism (15) used for adjusting the size of the channel is arranged on each connecting piece (14).

2. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 1, wherein: go up material piece (8) including last material piece (16) that are used for the material loading and vertical fixed connecting block (17) of terminal surface under last material piece (16), connecting block (17) right side wall flushes with last material piece (16) right side wall, connecting piece (14) are including connecting two horizontal pole (18), the vertical montant (19) and the horizontal connection of fixing the horizontal pole (18) lower surface central point of terminal surface put under action bars (13) connecting rod (20) of montant (19) and connecting block (17).

3. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 2, wherein: adjustment mechanism (15) are including vertical seting up on montant (19) and transverse section be "T" shape groove (21), connecting rod (20) one end is fixed on connecting block (17), and the other end is fixed with T-shaped piece (22) of joint in T-shaped groove (21) that slides, adjustment mechanism (15) still include threaded connection on connecting rod (20) and with nut (23) of montant (19) lateral wall butt.

4. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 2, wherein: the horizontal pole (18) of montant (19) both sides position are improved level and are fixed with a plurality of guide bars (24), a plurality of guide ways (25) have vertically been seted up on connecting block (17), guide bar (24) joint that slides is in guide ways (25).

5. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 1, wherein: material feeding unit (1) is including fixing at subaerial second support (26), rotating drive roll (27) and driven voller (28) of connection in second support (26) upper end and encircleing belt (29) of drive roll (27) and driven voller (28), still including fixing motor (30) on second support (26), motor (30) output shaft with drive roll (27) pivot is connected, the direction of motion of belt (29) is parallel with bar axis direction, vertical limiting plate (31) that prevent the bar and break away from belt (29) are fixed with on second support (26) of baffle (10) are kept away from in belt (29).

6. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 5, wherein: rubber strips (32) which surround the belt (29) and are used for limiting the position of the bar stock are respectively fixed on two sides of the belt (29) along the movement direction.

7. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 6, wherein: and a proximity switch (33) for detecting whether the bar stock exists is arranged on the second bracket (26).

8. The automatic feeding mechanism of the centerless grinding machine as claimed in claim 1, wherein: an inclined guide surface (34) is arranged on one side, close to the bar, of the lower end of the control plate (12), and the lower end of the guide surface (34) inclines towards the direction far away from the feeding part (8).