Chamfering device special for razor blade

Abstract

The utility model relates to a chamfering device special for a razor blade in the technical field of razor blade machining equipment, a conveying belt used for driving the razor blade to move towards the chamfering device is arranged in a supporting frame, and a driving assembly used for driving the conveying belt to move is arranged in the conveying belt. The chamfering device comprises a first chamfering assembly and a second chamfering assembly which are arranged in the supporting frame and used for polishing and chamfering the razor blade, and the pre-tightening device comprises a pre-tightening assembly used for pressing the razor blade on the conveying belt. The hydraulic cylinder drives the rolling wheels at the bottom end of the supporting plate to get close to the conveying belt, and the razor blade is pressed; a motor drives a first rotating shaft to drive a conveying belt on a belt roller to enable the razor blade to approach the chamfering device; meanwhile, the grinding wheel I and the grinding wheel II can be driven to synchronously rotate, so that the shaving blade passing through the bottom ends of the grinding wheel I and the grinding wheel II can be chamfered; and finally, centralized collection is carried out on the material discharging box through the material discharging hopper.

Description

Technical Field

[0001] The utility model relates to the technical field of razor blade processing equipment, in particular to a chamfering device dedicated to razor blades. Background Art

[0002] Razors are a household appliance that people use frequently in their daily lives, and the blades of disposable razors are consumables. Razors produce burrs during production, so a chamfering device is needed to chamfer the razor blades. For example, as shown in a manual razor blade belt grinding device with Chinese patent application number CN202022902046.6, the grinding wheel and the pressure wheel are both located above the guide rail, and the blade belt passes between the grinding wheel and the guide rail and is fed along the length of the guide rail; a mounting bolt connected to the guide rail is provided at each of the four corners of the mounting frame; a pre-tightening assembly fixedly connected to the mounting frame is provided at each of the two ends of the outer side of the mounting frame body, and the pre-tightening assembly clamps the guide rail.

[0003] However, when the blade strip is cut after being polished, burrs will be generated at the cut blade. Due to the lack of a chamfering device for removing the burrs, the razor may easily scratch the skin of the user during production and use. Utility Model Content

[0004] In order to solve the problem raised in the above background art that burrs are generated on the cut blades when the blade strip is cut after being polished, and the lack of a chamfering device to remove the burrs easily causes the razor to scratch the skin of the user during production and use, the present utility model provides the following technical solutions:

[0005] A chamfering device specifically for razor blades comprises a workbench, above which is provided a chamfering device for grinding razor blades, a top end of which is provided a transmission device for conveying razor blades into the chamfering device, and above which is provided a pre-tightening device for pressing the razor blades.

[0006] The transmission device includes a support frame fixedly mounted on the top of the workbench, a conveyor belt for driving the razor blade to move toward the chamfering device is provided in the support frame, and a drive assembly for driving the conveyor belt is provided in the conveyor belt;

[0007] The chamfering device includes a chamfering component 1 and a chamfering component 2 which are arranged in a supporting frame and used for grinding and chamfering the razor blade, and the chamfering component 1 is located on the left side of the chamfering component 2.

[0008] The pre-tightening device includes a pre-tightening component for pressing the razor blades on the conveyor belt. The top of the pre-tightening component is provided with a hydraulic cylinder for driving the pre-tightening component to move up and down, and there are two hydraulic cylinders.

[0009] Furthermore, the driving assembly includes a belt roller for driving the conveyor belt to rotate, the rear end of the belt roller is fixedly mounted with a rotating shaft 1 for driving the belt roller to rotate, and the rear end of the rotating shaft 1 is fixedly mounted with a motor for driving the rotating shaft 1 to rotate.

[0010] Furthermore, a second rotating shaft for assisting the rotation of the belt roller is fixedly mounted on the front end of the belt roller, and a first pulley for driving a pair of razor blades of the chamfering assembly to grind and chamfer is fixedly mounted on the front end of the second rotating shaft.

[0011] Furthermore, the chamfering assembly 1 includes a pulley 2 connected to the pulley 1 through a belt, the rear end of the pulley 2 is fixedly mounted with a rotating shaft 1 for rotation, and the rear end of the rotating shaft 1 is fixedly mounted with a grinding wheel 1 for grinding and chamfering the razor blade on the conveyor belt.

[0012] Furthermore, the chamfering component 2 includes a pulley 3 connected to the pulley 2 through a belt, the rear end of the pulley 3 is fixedly mounted with a rotating shaft 2 for rotation, and the rear end of the rotating shaft 2 is fixedly mounted with a grinding wheel 2 for grinding and chamfering the razor blade on the conveyor belt.

[0013] Furthermore, the pre-tightening assembly includes a support plate fixedly mounted on the bottom end of the hydraulic cylinder, a fixing plate fixedly mounted on the bottom end of the support plate, and rollers for pressing the razor blades on the conveyor belt are provided between the fixing plates.

[0014] Furthermore, a slag discharge groove for discharging burrs on the razor blade is provided in the workbench, and a slag discharge pipe is fixedly installed at the bottom end of the slag discharge groove.

[0015] Furthermore, the bottom end of the workbench is fixedly installed with four support legs for supporting the workbench, and the left end of the support frame is fixedly installed with a discharge hopper for discharging the razor blades on the conveyor belt, and the bottom end of the discharge hopper is provided with a collection box for collecting the polished razor blades.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] By arranging a transmission device, a chamfering device and a pre-tightening device, when it is necessary to chamfer the burrs on the razor blade, the roller at the bottom end of the support plate can be driven by the hydraulic cylinder to approach the conveyor belt and press the razor blade; then the motor belt drives the rotating shaft 1 to drive the conveyor belt on the belt roller to move the razor blade close to the chamfering device; at the same time, under the connection between the pulley 1 and the pulley 2 and the connection between the pulley 2 and the pulley 3, the grinding wheel 1 and the grinding wheel 2 can be driven to rotate synchronously, so that the razor blade passing through the bottom ends of the grinding wheel 1 and the grinding wheel 2 can be chamfered; finally, the materials are collected in the discharge box through the discharge hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the workbench of the utility model;

[0020] Figure 3 This is a diagram showing the coordination between the transmission device and the chamfering device of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the pre-tightening device of the utility model.

[0022] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0023] 100- working table, 101- slag discharge trough, 102- slag discharge pipe;

[0024] 200 - transmission device, 210 - drive assembly, 211 - motor, 212 - rotating shaft 1, 213 - belt roller, 214 - rotating shaft 2, 215 - pulley 1, 220 - conveyor belt, 230 - support frame;

[0025] 300-chamfering device, 310-chamfering component 1, 311-pulley 2, 312-rotating axis 1, 313-grinding wheel 1, 320-chamfering component 2, 321-pulley 3, 322-rotating axis 2, 323-grinding wheel 2;

[0026] 400-preload device, 410-hydraulic cylinder, 420-preload assembly, 421-support plate, 422-fixed plate, 423-roller;

[0027] 001-support leg, 002-discharge hopper, 003-collection box. DETAILED DESCRIPTION

[0028] The following describes in detail the preferred specific implementation methods of the present invention, and makes a clear and complete description in conjunction with the accompanying drawings.

[0029] See also Figure 1-Figure 4The utility model provides a chamfering device specially used for razor blades.

[0030] The utility model comprises a workbench 100, above which a chamfering device 300 for grinding razor blades is arranged, at the top of the workbench 100 a transmission device 200 for conveying razor blades into the chamfering device 300 is arranged, and above the transmission device 200 a pre-tightening device 400 for pressing the razor blades is arranged.

[0031] The bottom end of the workbench 100 is fixedly installed with support legs 001 for supporting the workbench 100, and there are four support legs 001, which are distributed in a rectangular array at the four corners of the bottom end of the workbench 100; the left end of the support frame 230 is fixedly installed with a discharge hopper 002 for discharging razor blades on the conveyor belt 220, and the bottom end of the discharge hopper 002 is provided with a collection box 003 for collecting polished razor blades.

[0032] A slag discharge trough 101 for discharging burrs on razor blades is provided in the workbench 100, and a slag discharge pipe 102 is fixedly installed at the bottom end of the slag discharge trough 101; so that when the burrs on the razor blades on the conveyor belt 220 are ground to form chamfers, the burrs will be discharged along the slag discharge trough 101 to the slag discharge pipe 102; and then collected in a centralized manner through the slag discharge pipe 102.

[0033] The transmission device 200 includes a support frame 230 fixedly mounted on the top of the workbench 100, and the shape of the support frame 230 is concave to prevent burrs formed by chamfering from flying around; a conveyor belt 220 for driving the razor blade to move toward the chamfering device 300 is provided in the support frame 230, and a drive assembly 210 for driving the conveyor belt 220 to move is provided in the conveyor belt 220.

[0034] The driving assembly 210 includes a belt roller 213 for driving the conveyor belt 220 to rotate, and the rear end of the belt roller 213 is fixedly installed with a rotating shaft 212 for driving the belt roller 213 to rotate, and the rotating shaft 212 is connected to the frame of the support frame 230 to facilitate the rotation of the rotating shaft 212; the rear end of the rotating shaft 212 is fixedly installed with a motor 211 for driving the rotating shaft 212 to rotate, and the shaft end of the output shaft of the motor 211 is connected to the rotating shaft 212 through a coupling, so that when the motor 211 is working, it can drive the rotating shaft 212 to drive the conveyor belt 220 on the belt roller 213 to move the razor blade close to the chamfering device 300, and chamfer the burrs on the razor blade.

[0035] The front end of the belt roller 213 is fixedly mounted with a second rotating shaft 214 for assisting the belt roller 213 in rotating. The front end of the second rotating shaft 214 is fixedly mounted with a pulley 215 for driving the chamfering assembly 310 to grind and chamfer the razor blade.

[0036] The chamfering device 300 includes a chamfering component 1 310 and a chamfering component 2 320 which are arranged in the support frame 230 for grinding and chamfering the razor blade, and the chamfering component 1 310 is located on the left side of the chamfering component 2 320.

[0037] The chamfering assembly 310 includes a pulley 311 connected to the pulley 215 via a belt. The rear end of the pulley 311 is fixedly mounted with a rotating shaft 312 for rotation, and the rotating shaft 312 is connected to the support frame 230 via a bearing to facilitate the rotation of the rotating shaft 312. The rear end of the rotating shaft 312 is fixedly mounted with a grinding wheel 313 for chamfering the razor blades on the conveyor belt 220.

[0038] The chamfering assembly 220 includes a pulley 321 connected to the pulley 2 311 through a belt, and a rotating shaft 222 for rotation is fixedly installed at the rear end of the pulley 321. The rotating shaft 222 is connected to the support frame 230 through a bearing to facilitate the rotation of the rotating shaft 222; the rear end of the rotating shaft 222 is fixedly installed with a grinding wheel 223 for grinding and chamfering the razor blade on the conveyor belt 220; so that when the burrs on the razor blade need to be chamfered, the razor blade can be placed on the conveyor belt 220, and then the pre-tightening device can be used to fix the razor blade. The device 400 presses the razor blades, and then the motor 211 drives the rotating shaft 1 212 to drive the conveyor belt 220 on the belt roller 213 to move the razor blades toward the chamfering device 300; at the same time, under the connection between the pulley 1 215 and the pulley 2 311, and the connection between the pulley 2 311 and the pulley 3 321, the grinding wheel 1 313 and the grinding wheel 2 323 can be driven to rotate synchronously, so that the razor blades passing through the bottom ends of the grinding wheel 1 313 and the grinding wheel 2 323 can be chamfered; finally, the razor blades are collected in the discharge box 003 through the discharge hopper 002.

[0039] The pre-tightening device 400 includes a pre-tightening component 420 for tightening the razor blades on the conveyor belt 220. A hydraulic cylinder 410 is provided at the top of the pre-tightening component 420 for driving the pre-tightening component 420 to move up and down. There are two hydraulic cylinders 410, and the two hydraulic cylinders 410 are symmetrically distributed at the top of the pre-tightening component 420.

[0040] The pre-tightening assembly 420 includes a support plate 421 fixedly mounted at the bottom end of the hydraulic cylinder 410. A plurality of fixing plates 422 are fixedly mounted at the bottom end of the support plate 421. A roller 423 for pressing the razor blades on the conveyor belt 220 is provided between two adjacent fixing plates 422. Therefore, when chamfering burrs on the razor blades is required, the roller 423 at the bottom end of the support plate 421 can be driven by the hydraulic cylinder 410 to approach the conveyor belt 220 and press the razor blades. Then, the motor 211 drives the rotating shaft 1 212 to drive the conveyor belt 220 on the belt roller 213 to move the razor blade closer to the chamfering device 300; at the same time, under the connection between the pulley 1 215 and the pulley 2 311, and the connection between the pulley 2 311 and the pulley 3 321, the grinding wheel 1 313 and the grinding wheel 2 323 can be driven to rotate synchronously, so that the razor blade passing through the bottom of the grinding wheel 1 313 and the grinding wheel 2 323 can be chamfered; finally, the razor blade is collected in the discharge box 003 through the discharge hopper 002.

[0041] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the present invention. In addition, any non-creative modifications made to the present invention by those skilled in the art without making any creative work still fall within the scope of protection of the present invention.

Claims

1. A chamfering device for razor blades, comprising a workbench (100), characterized in that: A chamfering device (300) for grinding razor blades is provided above the workbench (100), a transmission device (200) for conveying razor blades into the chamfering device (300) is provided at the top of the workbench (100), and a pre-tightening device (400) for pressing the razor blades is provided above the transmission device (200); The transmission device (200) comprises a support frame (230) fixedly mounted on the top of the workbench (100); a conveyor belt (220) for driving the razor blade to move toward the chamfering device (300) is provided in the support frame (230); and a driving assembly (210) for driving the conveyor belt (220) to move is provided in the conveyor belt (220); The chamfering device (300) comprises a chamfering component 1 (310) and a chamfering component 2 (320) arranged in a support frame (230) for grinding and chamfering a razor blade, wherein the chamfering component 1 (310) is located on the left side of the chamfering component 2 (320); The pre-tightening device (400) comprises a pre-tightening assembly (420) for pressing the razor blades on the conveyor belt (220), and a hydraulic cylinder (410) for driving the pre-tightening assembly (420) to move up and down is provided at the top end of the pre-tightening assembly (420), and there are two hydraulic cylinders (410).

2. A chamfering device for razor blades according to claim 1, characterized in that: The driving assembly (210) includes a belt roller (213) for driving the conveyor belt (220) to rotate, a rotating shaft (212) for driving the belt roller (213) to rotate is fixedly installed at the rear end of the belt roller (213), and a motor (211) for driving the rotating shaft (212) to rotate is fixedly installed at the rear end of the rotating shaft (212).

3. The chamfering device for razor blades according to claim 2, characterized in that: The front end of the belt roller (213) is fixedly mounted with a second rotating shaft (214) for assisting the belt roller (213) in rotating. The front end of the second rotating shaft (214) is fixedly mounted with a pulley (215) for driving a chamfering assembly (310) to grind and chamfer the razor blade.

4. The chamfering device for razor blades according to claim 3, characterized in that: The chamfering assembly (310) includes a pulley (311) connected to a pulley (215) via a belt, a rotating shaft (312) for rotation fixedly mounted on the rear end of the pulley (311), and a grinding wheel (313) for chamfering the razor blade on the conveyor belt (220) fixedly mounted on the rear end of the rotating shaft (312).

5. The chamfering device for razor blades according to claim 4, characterized in that: The chamfering assembly 2 (320) includes a pulley 3 (321) connected to the pulley 2 (311) through a belt, a rotating shaft 2 (322) for rotation is fixedly installed at the rear end of the pulley 3 (321), and a grinding wheel 2 (323) for grinding and chamfering the razor blade on the conveyor belt (220) is fixedly installed at the rear end of the rotating shaft 2 (322).

6. The chamfering device for razor blades according to claim 1, characterized in that: The pre-tightening assembly (420) comprises a support plate (421) fixedly mounted on the bottom end of the hydraulic cylinder (410); a fixing plate (422) is fixedly mounted on the bottom end of the support plate (421); and a roller (423) for pressing the razor blades on the conveyor belt (220) is provided between the fixing plates (422).

7. The chamfering device for razor blades according to claim 1, characterized in that: A slag discharge groove (101) for discharging burrs on a razor blade is provided in the workbench (100), and a slag discharge pipe (102) is fixedly installed at the bottom end of the slag discharge groove (101).

8. The chamfering device for razor blades according to claim 7, characterized in that: The bottom end of the workbench (100) is fixedly mounted with support legs (001) for supporting the workbench (100), and there are four support legs (001). The left end of the support frame (230) is fixedly mounted with a discharge hopper (002) for discharging razor blades on the conveyor belt (220), and the bottom end of the discharge hopper (002) is provided with a collection box (003) for collecting polished razor blades.

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