Automatic feeding device of centerless grinder

Abstract

The utility model discloses an automatic feeding device of a centerless grinder, relates to the technical field of centerless grinders, and aims to solve the problems that the existing feeding device of the centerless grinder does not have a butt joint function and cannot be combined with a centerless grinding bracket, so that the feeding device and the centerless grinding bracket are easily influenced by factors such as vibration, impact and the like, and a gap is formed. And the workpiece is easy to deviate. Comprising a guide table, supports are arranged on the two sides of one end of the guide table, supports are arranged at the upper end and the lower end of each support, a mounting frame is arranged at one end of each support, a guide groove is formed between the supports, and a controller is mounted on the side wall of each support; the guide grooves are formed in the two sides of the upper surface of the guide table, an electric cylinder is installed at one end of the interior of each guide groove, the control end of each electric cylinder is wirelessly connected with the output end of the controller, each electric cylinder comprises a piston rod, and a sliding block is arranged at one end of each piston rod.

Description

Technical Field

[0001] The utility model relates to the technical field of centerless grinding, in particular to an automatic feeding device for a centerless grinding. Background Art

[0002] Centerless grinding is also called centerless grinding, which is a type of grinding process. There are two grinding wheels, the guide wheel and the grinding wheel. The guide wheel drives the cylindrical workpiece to rotate on the pad iron, and the grinding wheel grinds the workpiece. When performing centerless grinding, a feeding device is required to perform feeding operations;

[0003] For example, the public document: CN219725530U, named "A centerless grinding automatic feeding device", includes an adjustment frame, the upper end of the adjustment frame is provided with adjustment slots all around, the lower end of the adjustment slot is provided with a second electric push rod, the upper end of the second electric push rod is provided with a moving frame, the middle part of the upper end of the moving frame is provided with a moving slot, the front end surface of the moving frame and the inside of the moving slot are penetrated by a motor, one end of the motor extends with a motor shaft and one end of the motor shaft is provided with a lead screw, a moving block is penetrated by the lead screw, the front and rear sides of the upper end of the support table are provided with limit frames, the opposite sides of the limit frame are provided with push slots, the push slot is provided with a first electric push rod, one end of the first electric push rod is provided with a support plate, a rotating rod is provided between the support plates, and the outer end of the rotating rod is rotatably connected with an auxiliary roller. Through the above structure, convenient feeding can be used.

[0004] The above-mentioned existing centerless grinding feeding device does not have a docking function and cannot be combined with the centerless grinding bracket, which causes the feeding device and the centerless grinding bracket to be easily affected by factors such as vibration and impact, resulting in a gap, which easily causes the workpiece to shift; therefore, it does not meet the existing needs. In this regard, we propose an automatic feeding device for a centerless grinding. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic feeding device for a centerless grinder to solve the problem that the existing feeding device for a centerless grinder mentioned in the above background technology does not have a docking function and cannot be combined with a bracket at the centerless grinder, resulting in a gap between the feeding device and the bracket of the centerless grinder being easily affected by factors such as vibration and impact, which easily leads to the deviation of the workpiece.

[0006] To achieve the above object, the utility model provides the following technical solutions: an automatic feeding device for a centerless grinder, comprising: a guide platform, brackets are arranged on both sides of one end of the guide platform, supports are arranged on both upper and lower ends of the bracket, a mounting frame is arranged at one end of the bracket, guide grooves are arranged between the brackets, and a controller is installed on the side wall of the bracket;

[0007] Also includes:

[0008] A guide groove is arranged on both sides of the upper surface of the guide platform, an electric cylinder is installed at one end of the guide groove, and the control end of the electric cylinder is wirelessly connected to the output end of the controller, the electric cylinder includes a piston rod, and a slider is arranged at one end of the piston rod;

[0009] A feeding rack is installed above the sliding block by screws, docking rods are provided on both sides of the front end of the feeding rack, and infrared emitters are installed on both sides of the upper surface of the feeding rack by screws;

[0010] A docking groove is arranged inside the bracket, and the docking groove is engaged with the docking rod. A pressure sensing sheet is arranged inside the docking groove, and the output end of the pressure sensing sheet is wirelessly connected to the input end of the controller. An infrared receiver is installed on one side of the upper surface of the bracket, and the output end of the infrared receiver is electrically connected to the input end of the controller.

[0011] Preferably, a magnetic strip is provided at the middle position of the outer wall of the front end surface of the feeding rack, and the feeding rack is magnetically connected to the guide groove through the magnetic strip.

[0012] Preferably, a plurality of electric telescopic rods are installed on the outer walls on both sides of the feeding rack, and driven plates are installed at the telescopic ends of the electric telescopic rods.

[0013] Preferably, a second motor is mounted on the outer wall of the driven plate, and a roller is mounted on the output end of the second motor.

[0014] Preferably, a first motor is installed on one side of the infrared receiver, a transmission shaft is provided at the output end of the first motor, and a grinding wheel and a guide wheel are respectively installed at one end of the two transmission shafts.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model can make the feeding device have automatic feeding function through the arrangement of guide groove, electric cylinder, slider, feeding rack, docking rod, docking groove, infrared transmitter, infrared receiver and pressure sensing sheet, and can assemble the feeding rack with the bracket of the centerless grinding, so that the workpiece at the feeding rack can be directly fed into the guide groove for grinding operation, which can effectively improve the stability of the feeding process and be more stable against external factors such as vibration and impact;

[0017] Specifically, the guide platform is moved to the bracket, the infrared transmitter is turned on, infrared rays are received by the infrared receiver, and it is determined whether they are aligned. After the infrared transmitter is aligned with the infrared receiver, the infrared receiver feeds back a signal to the controller, and the controller controls the electric cylinder to drive the piston rod to extend, so that the piston rod slider moves in the guide groove, so that the upper feed rack moves to the end of the guide platform, and the docking rod is inserted into the docking groove by pushing, and the feed rack is assembled at the bracket; the docking rod inserted into the groove touches the pressure sensing sheet, and the pressure sensing sheet detects the pressure change and feeds back a signal to the controller, so that the place stops moving;

[0018] The workpiece is fed from the feed rack into the guide groove for processing; after processing, the electric cylinder drives the feed rack to retract and move to the loading position, which is convenient for adding new workpieces there, and then extends again to drive the feed rack to perform mobile assembly operations; this solves the problem that the existing centerless grinding feeding device does not have a docking function and cannot be combined with the centerless grinding bracket, resulting in a gap between the feeding device and the centerless grinding bracket being easily affected by vibration, impact and other factors, which easily leads to the deviation of the workpiece.

[0019] 2. The magnetic strip is used to improve the tightness between the feeding rack and the guide groove; and the magnetic strip can facilitate the subsequent electric cylinder to perform rapid retraction and separation operations, without the need for user installation and disassembly, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the guide platform and bracket structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the local structure of the bracket of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the docking groove of the utility model;

[0024] In the figure: 1. guide table; 2. guide groove; 3. electric cylinder; 4. piston rod; 5. slider; 6. feed rack; 7. docking rod; 8. bracket; 9. support; 10. mounting frame; 11. docking groove; 12. first motor; 13. transmission shaft; 14. grinding wheel; 15. guide wheel; 16. guide groove; 17. infrared receiver; 18. infrared transmitter; 19. electric telescopic rod; 20. driven plate; 21. second motor; 22. roller; 23. pressure sensing sheet; 24. controller; 25. magnetic strip. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4 The utility model provides an embodiment: an automatic feeding device for a centerless grinder, comprising: a guide platform 1, brackets 8 are arranged on both sides of one end of the guide platform 1, supports 9 are arranged at both upper and lower ends of the bracket 8, a mounting frame 10 is arranged at one end of the bracket 8, guide grooves 16 are arranged between the brackets 8, and a controller 24 is installed on the side wall of the bracket 8;

[0027] Also includes:

[0028] The guide groove 2 is arranged on both sides of the upper surface of the guide platform 1. An electric cylinder 3 is installed at one end of the guide groove 2, and the control end of the electric cylinder 3 is wirelessly connected to the output end of the controller 24. The electric cylinder 3 includes a piston rod 4, and a slider 5 is arranged at one end of the piston rod 4;

[0029] A feeding rack 6 is installed above the slider 5 by screws, and docking rods 7 are provided on both sides of the front end of the feeding rack 6, and infrared emitters 18 are installed on both sides of the upper surface of the feeding rack 6 by screws;

[0030] A docking slot 11 is provided inside the bracket 8, and the docking slot 11 is engaged with the docking rod 7. A pressure sensing sheet 23 is provided inside the docking slot 11, and an output end of the pressure sensing sheet 23 is wirelessly connected to an input end of a controller 24. An infrared receiver 17 is installed on one side of the upper surface of the bracket 8, and an output end of the infrared receiver 17 is electrically connected to an input end of the controller 24.

[0031] By setting the guide groove 2, the electric cylinder 3, the slider 5, the feed rack 6, the docking rod 7, the docking groove 11, the infrared transmitter 18, the infrared receiver 17, and the pressure sensing sheet 23, the feed device can have an automatic feeding function, and the feed rack 6 can be assembled with the bracket 8 at the centerless grinding position, so that the workpiece at the feed rack 6 can be directly fed into the guide groove 16 for grinding operation, which can effectively improve the stability of the feeding process and be more stable against external factors such as vibration and impact;

[0032] Specifically, the guide table 1 is moved to the bracket 8, the infrared transmitter 18 is turned on, the infrared ray is received by the infrared receiver 17, and it is determined whether they are aligned. After the infrared transmitter 18 is aligned with the infrared receiver 17, the infrared receiver 17 feeds back a signal to the controller 24, and the controller 24 controls the electric cylinder 3 to drive the piston rod 4 to extend, so that the piston rod 4 slider 5 moves in the guide groove 2, so that the upper feed rack 6 follows and moves to the end of the guide table 1, and the docking rod 7 is inserted into the docking groove 11 by pushing, and the feed rack 6 is assembled at the bracket 8; the docking rod 7 inserted into the groove touches the pressure sensing sheet 23, and the pressure sensing sheet 23 detects the pressure change and feeds back a signal to the controller 24, so that the movement of the place is stopped; the workpiece is fed from the feed rack 6 into the guide groove 16 for processing;

[0033] After processing, the electric cylinder 3 drives the feeding rack 6 to retract and move to the loading position, so as to facilitate the addition of new workpieces there, and then extends again to drive the feeding rack 6 to perform mobile assembly operations.

[0034] See also Figure 1 A magnetic strip 25 is provided at the middle position of the outer wall of the front end surface of the feed rack 6, and the feed rack 6 is magnetically connected to the guide groove 16 through the magnetic strip 25;

[0035] The magnetic strip 25 is used to improve the tightness between the feeding rack 6 and the guide groove 16; and the magnetic strip 25 can facilitate the subsequent rapid retraction and separation operation of the electric cylinder 3, without the need for user installation and disassembly, which is convenient for users to use.

[0036] See also Figure 1 , a plurality of electric telescopic rods 19 are installed on the outer walls of both sides of the feeding rack 6, and a driven plate 20 is installed at the telescopic end of the electric telescopic rod 19;

[0037] A second motor 21 is mounted on the outer wall of the driven plate 20, and a roller 22 is mounted on the output end of the second motor 21;

[0038] The electric telescopic rod 19 is used to drive the driven plate 20 to perform telescopic movement, and the position of the roller 22 is adjusted by telescopic movement to facilitate the roller 22 to contact the workpieces of different sizes; the second motor 21 is used to drive the roller 22 to rotate, and the workpiece located between the two rollers 22 is driven to move forward into the guide groove 16 through rotation for processing and grinding operations.

[0039] See also Figure 2 A first motor 12 is installed on one side of the infrared receiver 17, a transmission shaft 13 is provided at the output end of the first motor 12, and a grinding wheel 14 and a guide wheel 15 are respectively installed at one end of the two transmission shafts 13;

[0040] The first motor 12 is used to drive the grinding wheel 14 and the guide wheel 15 to rotate in the same direction. The rotation of the guide wheel 15 can drive the workpiece to move forward, thereby changing the processing position; the rotation of the grinding wheel 14 can grind the surface of the workpiece to make the surface of the workpiece smoother.

[0041] Working principle: When in use, move the guide platform 1 to the bracket 8, turn on the infrared transmitter 18, receive infrared rays through the infrared receiver 17, and determine whether they are aligned. After the infrared transmitter 18 is aligned with the infrared receiver 17, the infrared receiver 17 feeds back a signal to the controller 24, and the controller 24 controls the electric cylinder 3 to drive the piston rod 4 to extend, so that the piston rod 4 slider 5 moves in the guide groove 2, so that the upper feed rack 6 follows and moves to the end of the guide platform 1, and pushes the docking rod 7 to be inserted into the docking groove 11, and assembles the feed rack 6 on the bracket 8; the docking rod 7 inserted into the groove touches the pressure sensing sheet 23, the pressure sensing sheet 23 detects the pressure change, and feeds back a signal to the controller 24 to stop moving there; the pressure sensing sheet 23 is a conventional commercially available pressure sensor, which will not be described here.

[0042] The electric telescopic rod 19 is used to drive the driven plate 20 to telescopically move, and the position of the roller 22 is adjusted by telescopic movement, so that the roller 22 can contact workpieces of different sizes; the second motor 21 is used to drive the roller 22 to rotate, and the workpiece located between the two rollers 22 is driven to move forward into the guide groove 16 by rotation;

[0043] The first motor 12 is used to drive the grinding wheel 14 and the guide wheel 15 to rotate in the same direction. The rotation of the guide wheel 15 can drive the workpiece to move forward; the rotation of the grinding wheel 14 can grind the surface of the workpiece to make the surface of the workpiece smoother;

[0044] After processing, the electric cylinder 3 drives the feeding rack 6 to retract and move to the loading position, so as to facilitate the addition of new workpieces there, and then extends again to drive the feeding rack 6 to perform mobile assembly operations.

[0045] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An automatic feeding device for a centerless grinding machine, comprising a guide platform (1), brackets (8) are arranged on both sides of one end of the guide platform (1), supports (9) are arranged at both upper and lower ends of the bracket (8), a mounting frame (10) is arranged at one end of the bracket (8), guide grooves (16) are arranged between the brackets (8), and a controller (24) is installed on the side wall of the bracket (8); Features: Also includes: A guide groove (2) is arranged on both sides of the upper surface of the guide platform (1), an electric cylinder (3) is installed at one end inside the guide groove (2), and the control end of the electric cylinder (3) is wirelessly connected to the output end of the controller (24), the electric cylinder (3) includes a piston rod (4), and a slider (5) is arranged at one end of the piston rod (4); A feeding rack (6) is installed above the slider (5) by means of screws, docking rods (7) are provided on both sides of the front end of the feeding rack (6), and infrared emitters (18) are installed on both sides of the upper surface of the feeding rack (6) by means of screws; A docking groove (11) is arranged inside the bracket (8), and the docking groove (11) is engaged with the docking rod (7). A pressure sensing sheet (23) is arranged inside the docking groove (11), and the output end of the pressure sensing sheet (23) is wirelessly connected to the input end of the controller (24). An infrared receiver (17) is installed on one side of the upper surface of the bracket (8), and the output end of the infrared receiver (17) is electrically connected to the input end of the controller (24).

2. The automatic feeding device for a centerless grinding machine according to claim 1, characterized in that: A magnetic attraction strip (25) is provided at the middle position of the outer wall of the front end surface of the feeding rack (6), and the feeding rack (6) is magnetically connected to the guide groove (16) via the magnetic attraction strip (25).

3. The automatic feeding device for a centerless grinding machine according to claim 1, characterized in that: A plurality of electric telescopic rods (19) are installed on the outer walls of both sides of the feeding rack (6), and a driven plate (20) is installed at the telescopic end of the electric telescopic rod (19).

4. The automatic feeding device for a centerless grinding machine according to claim 3, characterized in that: A second motor (21) is mounted on the outer wall of the driven plate (20), and a rotating roller (22) is mounted on the output end of the second motor (21).

5. The automatic feeding device for a centerless grinding machine according to claim 1, characterized in that: A first motor (12) is installed on one side of the infrared receiver (17); a transmission shaft (13) is provided at the output end of the first motor (12); a grinding wheel (14) and a guide wheel (15) are respectively installed at one end of the two transmission shafts (13).

Images