A razor blade sharpness testing device
By designing a razor blade test device including mount, electric cylinder, blade fixture and sliding assembly, the problems of limited manual judgment effect and low detection efficiency in the prior art are solved, automatic detection and rapid replacement are achieved, and the Inspection accuracy and safety.
Patent Information
- Application Number
- CN202411510450.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2044-10-28
AI Technical Summary
The existing razor blade testing device has limited manual judgment effect, is inconvenient to quickly test the blade edges on both sides, and lacks easy disassembly and assembly and automatic locking structure, resulting in low detection efficiency and insufficient safety.
A razor blade sharpness test device including mount, electric cylinder, blade fixture, shaft structure, tester, digital display and sliding assembly is designed, and the double-sided drive of the tester and sliding assembly is achieved by driving the electric cylinder. Quick test, using electric cylinders and short racks to achieve automatic positioning and self-locking, making it easier to disassemble and reuse.
It realizes automatic detection of blade sharpness, improves detection efficiency and safety, facilitates and quickly replaces and reuses test components, and improves detection accuracy and operational convenience.
Smart Images

Figure CN119043978B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of blade detection, and in particular to a razor blade sharpness testing device. Background Art
[0002] The blade of a razor is a double-sided structure with a through groove structure in the middle for positioning. Since the grinding equipment will cause wear due to long-term production and polishing, sampling inspection is required after production to ensure the normal sharpness. If it is abnormal, the equipment needs to be stopped and the grinding structure replaced. Generally, manual judgment is used to perform cutting tests using sampling blades to determine whether it is qualified.
[0003] The test devices currently used have the following disadvantages:
[0004] 1. When testing the blade, the effect of manual judgment is limited. It is inconvenient to quickly test both sides of the blade at the same time and display the readings with accurate cutting effects;
[0005] 2. The lack of a test structure that is easy to disassemble and assemble is not conducive to quickly testing different blades;
[0006] 3. Lack of convenient and quick automatic locking structure, which makes it inconvenient to quickly position the blade. Summary of the invention
[0007] In view of this, the present invention aims at addressing the deficiencies in the prior art and provides a razor blade sharpness testing device.
[0008] The present invention provides a razor blade sharpness testing device, which specifically comprises: a mounting seat, two groups of mounting frames are fixedly arranged at both ends of the top rear side of the mounting seat, and electric cylinders A are fixedly arranged on the upper outside of the mounting frames; a blade clamp for testing is fixedly arranged in the middle of the top rear side of the mounting seat, the main body of the blade clamp is a frame structure, an electric cylinder B is fixedly arranged in the middle upper part of the blade clamp, and a blade seat is fixedly arranged at the telescopic end of the electric cylinder B through the top of the blade clamp; a rotating shaft structure is fixedly arranged on both sides of the top of the blade clamp, and a rotating seat is rotatably arranged outside the rotating shaft structure; a tester is fixedly arranged at the telescopic end of the electric cylinder A; two groups of digital displays are fixedly arranged at both ends of the top front side of the mounting seat; a sliding group is slidably arranged on one side adjacent to the testers on both sides through a dovetail groove structure; the main body of the sliding group is a U-shaped structure, and array-installed test copper wires are fixedly arranged in the sliding group, and both ends of the test copper wires pass through the sliding group.
[0009] Optionally, a self-locking block in the shape of a teardrop and with rounded corners is fixedly provided on the outside of the front rotating shaft of the blade clamp; a spring lock is slidably provided on the front side of the rotating seat to cooperate with the spring rod, and a groove that can match the self-locking block is provided at the bottom of the spring lock; a plug-in structure that matches and docks with the blade seat is provided at the bottom of the top of the rotating seat.
[0010] Optionally, a vertical groove is provided in the middle of one side of the tester close to the blade clamp, and a positioning lock bar is provided in the vertical groove to cooperate with the spring rod to limit the sliding, and the positioning lock bar keeps the part extending out of the tester as a double bevel.
[0011] Optionally, two groups of spring guide rods are fixedly provided on the upper and lower sides of the tester, a T-shaped test seat is slidably provided outside the spring guide rods, control connecting rods are hingedly provided on the front outside of the upper and lower test seats, and handles are hingedly installed on the rear ends of the two groups of control connecting rods; adjacent surface arrays of the upper and lower test seats are provided with docking contacts, and the number of the docking contacts is the same as that of the test copper wire and the distribution structure is consistent.
[0012] Optionally, a V-shaped groove is provided in the middle of the dovetail slide bar of the sliding group, and the V-shaped groove can match with the positioning lock bar; the length of the sliding group is consistent with that of the test seat; docking grooves are provided on both sides of the sliding group, and the two sets of sliding groups can be fixed and spliced by matching and installing connecting strips in the docking grooves.
[0013] Optionally, the sides of the connecting strip are rounded, and a through groove is provided in the middle of the connecting strip.
[0014] Optionally, the top rear side fixing frame of the mounting seat is provided with two sets of guide rods; the top rear side fixing frame of the mounting seat is provided with an electric cylinder C, and the telescopic end of the electric cylinder C is fixedly provided with a short rack, and the short rack is slidably connected to the two sets of guide rods.
[0015] Optionally, a control gear is fixedly provided at a position on the rear side of the rotating seat aligned with the rotating shaft, and the short rack can mesh with the control gear.
[0016] Optionally, a conveyor belt is arranged above the front of the mounting seat, and conveyor seats are fixedly arranged at equal intervals outside the conveyor belt.
[0017] The beneficial effects are as follows:
[0018] 1. Set up the tester, which provides a dual test function. Start the two sets of electric cylinders A to merge the testers on both sides, so that the sliding groups on both sides move to the sides of the blade, and then use the blade to cut the test copper wire. When the resistance value of the test copper wire breaks, it will feedback information, which will be displayed on the digital display to determine whether the sharpness of the blade is qualified. If it is unqualified, the entire batch of blades will be processed. Automatic detection has good effect and replaces manual detection with strong safety.
[0019] 2. Set up a sliding group, which provides a detection structure that is easy to disassemble and assemble. Use the docking contacts to contact the upper and lower ends of the test copper wire to form a pathway, and then use the line for monitoring. The sliding group can be spliced in multiple groups, and the splicing is fixed by fitting the connecting strips in the docking groove. Push the control connecting rod to separate the two groups of test sockets, align the sliding group to the outside of the tester, and use the positioning lock strip to snap into the V-shaped groove to fully position and self-lock. The operation is convenient and quick, and the sliding group can be reused.
[0020] 3. Set up a blade seat that can quickly and automatically position the blade. Place the blade above the blade seat, use the electric cylinder C to drive the short rack to move, and the short rack drives the control gear to rotate, and then flip the rotating seat upward to a vertical state and self-lock. Raise the blade seat through the electric cylinder B, drag up the blade, and fix the blade when the blade seat contacts the rotating seat. At the same time, the cutting edges on both sides of the blade extend beyond the rotating seat, which is convenient for sharpness testing. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It shows a schematic structural diagram of an assembly state according to an embodiment of the present invention;
[0022] Figure 2 The embodiment according to the present invention is shown Figure 1 Schematic diagram of the side elevation structure;
[0023] Figure 3 A three-dimensional structural schematic diagram showing a working state of an embodiment according to the present invention is shown;
[0024] Figure 4 The embodiment according to the present invention is shown Figure 3 A schematic diagram of the structure from another angle;
[0025] Figure 5 The embodiment according to the present invention is shown Figure 3 Schematic diagram of the three-dimensional disassembled structure;
[0026] Figure 6 It shows a schematic diagram of the working mode structure according to an embodiment of the present invention;
[0027] Figure 7 A schematic diagram of the three-dimensional structure of a blade clamp according to an embodiment of the present invention is shown;
[0028] Figure 8 The embodiment according to the present invention is shown Figure 7 A schematic diagram of the structure from another angle;
[0029] Fig. 9 A schematic diagram of the assembly structure of a sliding assembly according to an embodiment of the present invention is shown.
[0030] Reference numerals list
[0031] 1. Mounting seat; 101. Mounting frame; 102. Electric cylinder A; 2. Blade fixture; 201. Electric cylinder B; 202. Blade seat; 203. Rotating seat; 204. Self-locking block; 205. Spring lock; 206. Control gear; 3. Tester; 301. Positioning lock strip; 302. Spring guide rod; 303. Test seat; 304. Control connecting rod; 305. Docking contact point; 4. Digital display; 5. Sliding group; 501. V-shaped groove; 502. Docking groove; 503. Test copper wire; 6. Connecting strip; 7. Guide rod; 8. Electric cylinder C; 801. Short rack; 9. Conveyor belt; 901. Conveyor seat. DETAILED DESCRIPTION
[0032] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention.
[0033] Embodiment 1:
[0034] Please refer to Figures 1 to 9 As shown:
[0035] The present invention provides a razor blade sharpness testing device, comprising: a mounting seat 1, two sets of mounting frames 101 are fixedly arranged at both ends of the top rear side of the mounting seat 1, and electric cylinders A102 are fixedly arranged on the outer upper part of the mounting frames 101; a blade fixture 2 for testing is fixedly arranged in the middle of the top rear side of the mounting seat 1, the main body of the blade fixture 2 is a frame structure, an electric cylinder B201 is fixedly arranged in the middle upper part of the blade fixture 2, and a blade is fixedly arranged at the telescopic end of the electric cylinder B201 through the top of the blade fixture 2 Seat 202; both sides of the top of the blade clamp 2 are fixedly provided with a rotating shaft structure, and a rotating seat 203 is rotatably provided outside the rotating shaft structure; the telescopic ends of the electric cylinder A102 are fixedly provided with a tester 3; two groups of digital displays 4 are fixedly provided at both ends of the top front side of the mounting seat 1; the adjacent sides of the testers 3 on both sides are slidably provided with a sliding group 5 through a dovetail groove structure; the main body of the sliding group 5 is a U-shaped structure, and the sliding group 5 is fixedly provided with an array-installed test copper wire 503, and both ends of the test copper wire 503 pass through the sliding group 5.
[0036] Among them, a self-locking block 204 in the shape of a teardrop and with rounded corners is fixedly arranged on the outside of the front rotating shaft of the blade clamp 2; a spring lock 205 is slidably arranged on the front side of the rotating seat 203 in cooperation with the spring rod, and a groove that can match with the self-locking block 204 is provided at the bottom of the spring lock 205; a plug-in structure that matches and docks with the blade seat 202 is provided at the bottom of the top of the rotating seat 203.
[0037] A vertical groove is provided in the middle of one side of the tester 3 close to the blade clamp 2, and a positioning lock bar 301 is provided in the vertical groove to cooperate with the spring rod to limit the sliding. The positioning lock bar 301 keeps the part extending out of the tester 3 as a double bevel.
[0038] Among them, two groups of spring guide rods 302 are fixedly set on the upper and lower sides of the tester 3, and a T-shaped test seat 303 is slidably set outside the spring guide rod 302. The front sides of the upper and lower test seats 303 are hingedly provided with control connecting rods 304, and the rear ends of the two groups of control connecting rods 304 are hingedly installed with handles; the adjacent surface arrays of the upper and lower test seats 303 are provided with docking contacts 305, and the number of the docking contacts 305 is the same as that of the test copper wire 503 and the distribution structure is consistent.
[0039] Among them, a V-shaped groove 501 is opened in the middle of the dovetail slide bar part of the sliding group 5, and the V-shaped groove 501 can match with the positioning lock strip 301; the length of the sliding group 5 is consistent with that of the test seat 303; docking grooves 502 are opened on both sides of the sliding group 5, and the two groups of sliding groups 5 can be fixed and spliced by matching and installing the connecting strips 6 in the docking grooves 502.
[0040] The sides of the connecting strip 6 are all rounded, and a through groove is provided in the middle of the connecting strip 6 .
[0041] Among them, two groups of guide rods 7 are fixed on the top rear side of the mounting seat 1; an electric cylinder C8 is fixed on the top rear side of the mounting seat 1, and a short rack 801 is fixed on the telescopic end of the electric cylinder C8, and the short rack 801 is slidably connected to the two groups of guide rods 7.
[0042] A control gear 206 is fixedly disposed at a position on the rear side of the rotating seat 203 aligned with the rotating shaft, and the short rack 801 can mesh with the control gear 206 .
[0043] A conveyor belt 9 is arranged on the upper front of the mounting seat 1 , and conveyor seats 901 are fixedly arranged at equal intervals outside the conveyor belt 9 .
[0044] like Figure 1-9 As shown, the slide assembly 5 is a prefabricated part, and the manufacturing method is as follows: multiple groups of test copper wires 503 of the same thickness as the beard are passed through the slide assembly 5 and fixed, and then the excess wire ends are cut off to complete the manufacturing; multiple groups of slide assemblies 5 are spliced, and the splicing is fixed by fitting the connecting strips 6 in the docking grooves 502, and then the front side slide assembly 5 is installed in the tester 3;
[0045] Correct the slide assembly 5, push the control link 304 to separate the two groups of test sockets 303, align the slide assembly 5 to the outside of the tester 3, use the positioning lock strip 301 to snap into the V-shaped groove 501 for positioning and self-locking, then release the control link 304, the test socket 303 automatically contracts through the spring outside the spring guide rod 302, and the docking contact point 305 contacts the upper and lower ends of the test copper wire 503, forming a passage, and using the line for monitoring;
[0046] according to Figure 1-2 state, mark the blade with a marker and place it above the blade seat 202, then start the electric cylinder C8 to drive the short rack 801 to move, and the short rack 801 drives the control gear 206 to rotate, and then flip the rotating seat 203 upward to a vertical state. While the short rack 801 is disengaged from the control gear 206, the self-locking block 204 is used in conjunction with the spring lock 205 to keep the rotating seat 203 fixed, and then start the electric cylinder B201 to lift the blade seat 202, drag up the blade, and fix the blade when the blade seat 202 contacts the rotating seat 203, and at the same time, the cutting edges on both sides of the blade extend beyond the rotating seat 203.
[0047] Embodiment 2:
[0048] On the basis of Example 1, after the test, the electric cylinder B201 and the electric cylinder C8 are reset, and the short rack 801 is used to drive the control gear 206 to rotate and push the rotating seat 203 to one side. At this time, the blade can be removed, and then the sliding group 5 is pushed in to replace it, and the damaged sliding group 5 is removed; the sliding group 5 can be reused in batches, and the test copper wire 503 is removed and reinstalled. The fixing method can adopt spot welding or pressing and other non-unique methods to ensure that it is fastened. The test copper wire 503 can be re-cast without waste, which is environmentally friendly and economical.
[0049] Embodiment 3:
[0050] On the basis of Example 1, Figure 6 As shown, multiple sets of mounting seats 1 can be provided, and conveying can be performed using a conveyor belt 9. The blades are placed above the conveying seats 901, and multiple synchronous tests can be performed.
[0051] Specific usage and function of this embodiment: In the present invention, the slide assembly 5 is a prefabricated part, and the manufacturing method is to pass multiple groups of test copper wires 503 of the same thickness as the beard through the slide assembly 5 and fix them, and then cut off the excess wire ends to complete the manufacturing;
[0052] Splice multiple sets of sliding assembly 5, fix the splicing by fitting the connecting strip 6 in the docking groove 502, and then install the front sliding assembly 5 into the tester 3;
[0053] Correct the slide assembly 5, push the control link 304 to separate the two groups of test sockets 303, align the slide assembly 5 to the outside of the tester 3, use the positioning lock strip 301 to snap into the V-shaped groove 501 for positioning and self-locking, then release the control link 304, the test socket 303 automatically contracts through the spring outside the spring guide rod 302, and the docking contact point 305 contacts the upper and lower ends of the test copper wire 503, forming a passage, and using the line for monitoring;
[0054] according to Figure 1-2 The blade is marked with a marker and placed above the blade seat 202, and then the electric cylinder C8 is started to drive the short rack 801 to move, and the short rack 801 drives the control gear 206 to rotate, thereby turning the rotating seat 203 upward to a vertical state. When the short rack 801 is separated from the control gear 206, the self-locking block 204 is used in conjunction with the spring lock 205 to keep the rotating seat 203 fixed, and then the electric cylinder B201 is started to lift the blade seat 202, and the blade is dragged up. When the blade seat 202 contacts the rotating seat 203, the blade is fixed, and at the same time, the cutting edges on both sides of the blade extend beyond the rotating seat 203;
[0055] Start the two groups of electric cylinders A102 to merge the testers 3 on both sides, so that the slide groups 5 on both sides move to the two sides of the blade, and then use the blade to cut the test copper wire 503. When the resistance value of the test copper wire 503 changes, feedback information will be given and displayed on the digital display 4, so as to determine whether the sharpness of the blade is qualified. If it is unqualified, the whole batch of blades will be processed;
[0056] After the test, reset the electric cylinder B201 and the electric cylinder C8, use the short rack 801 to drive the control gear 206 to rotate and push the rotating seat 203 to one side, then you can remove the blade, and then push the replacement slide group 5 to remove the damaged slide group 5;
[0057] The sliding assembly 5 can be reused in batches, and the test copper wire 503 can be removed and reinstalled. The fixing method can be spot welding or press embedding, etc., as long as it is fastened. The test copper wire 503 can be re-cast without waste;
[0058] Multiple sets of mounting seats 1 can be provided, and conveying can be performed using a conveyor belt 9 , and the blades can be placed above the conveying seats 901 , so that multiple synchronous tests can be performed.
Claims
1. A razor blade sharpness testing device, characterized in that: include: A mounting seat (1), wherein two sets of mounting frames (101) are fixedly arranged at both ends of the top rear side of the mounting seat (1), and electric cylinders A (102) are fixedly arranged on the outer upper part of the mounting frames (101); a blade fixture (2) for testing is fixedly arranged in the middle of the top rear side of the mounting seat (1), the main body of the blade fixture (2) is a frame structure, an electric cylinder B (201) is fixedly arranged in the middle upper part of the blade fixture (2), and the telescopic end of the electric cylinder B (201) passes through the top of the blade fixture (2) and is fixedly arranged with a blade seat (202); the blade fixture (2 ) are fixedly provided with a rotating shaft structure on both sides of the top, and a rotating seat (203) is rotatably provided outside the rotating shaft structure; a tester (3) is fixedly provided at the telescopic end of the electric cylinder A (102); two sets of digital displays (4) are fixedly provided at both ends of the top front side of the mounting seat (1); a sliding group (5) is slidably provided on the adjacent sides of the testers (3) on both sides through a dovetail groove structure; the main body of the sliding group (5) is a U-shaped structure, and an array-installed test copper wire (503) is fixedly provided in the sliding group (5), and both ends of the test copper wire (503) pass through the sliding group (5).
2. A razor blade sharpness testing device as claimed in claim 1, characterized in that: A self-locking block (204) in the shape of a teardrop and having rounded corners is fixedly arranged on the outside of the front rotating shaft of the blade clamp (2); a spring lock (205) is slidably arranged on the front side of the rotating seat (203) in cooperation with the spring rod, and a groove capable of matching with the self-locking block (204) is provided at the bottom of the spring lock (205); and a plug-in structure matching and docking with the blade seat (202) is arranged at the bottom of the top of the rotating seat (203).
3. A razor blade sharpness testing device as claimed in claim 1, characterized in that: A vertical groove is provided in the middle of one side of the tester (3) close to the blade clamp (2), and a positioning lock bar (301) is provided in the vertical groove to cooperate with the spring rod for limiting sliding. The positioning lock bar (301) keeps the part extending out of the tester (3) as a double bevel.
4. A razor blade sharpness testing device as claimed in claim 1, characterized in that: Two groups of spring guide rods (302) are fixedly arranged on the upper and lower sides of the tester (3); a T-shaped test seat (303) is slidably arranged outside the spring guide rod (302); control connecting rods (304) are hingedly arranged on the front exterior of the upper and lower test seats (303); handles are hingedly installed on the rear ends of the two groups of control connecting rods (304); adjacent surface arrays of the upper and lower test seats (303) are provided with docking contact points (305); the number of the docking contact points (305) and the test copper wire (503) are the same and the distribution structure is consistent.
5. A razor blade sharpness testing device as claimed in claim 3, characterized in that: A V-shaped groove (501) is provided in the middle of the dovetail slide bar portion of the slide assembly (5), and the V-shaped groove (501) can be matched with the positioning lock bar (301); the slide assembly (5) and the test seat (303) are of the same length; and docking grooves (502) are provided on both sides of the slide assembly (5), and two sets of slide assembly (5) can be fixedly spliced by matching and installing the connecting strips (6) in the docking grooves (502).
6. A razor blade sharpness testing device as claimed in claim 5, characterized in that: The sides of the connecting strip (6) are all rounded, and a through groove is provided in the middle of the connecting strip (6).
7. A razor blade sharpness testing device as claimed in claim 1, characterized in that: The top rear fixed frame of the mounting seat (1) is provided with two groups of guide rods (7); the top rear fixed frame of the mounting seat (1) is provided with an electric cylinder C (8), a short rack (801) is fixedly provided at the telescopic end of the electric cylinder C (8), and the short rack (801) is slidably connected to the two groups of guide rods (7).
8. A razor blade sharpness testing device as claimed in claim 7, characterized in that: A control gear (206) is fixedly provided at a position on the rear side of the rotating seat (203) aligned with the rotating shaft, and the short rack (801) can mesh with the control gear (206).
9. A razor blade sharpness testing device as claimed in claim 1, characterized in that: A conveyor belt (9) is mounted on the upper front of the mounting seat (1), and conveyor seats (901) are fixedly arranged at equal intervals outside the conveyor belt (9).
Citation Information
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