Knife grinding device

Abstract

The utility model discloses a knife grinding device which comprises a base, an installation frame fixedly installed on the base, a hydraulic cylinder fixedly installed on the installation frame, a knife grinding component used for automatically grinding a blade is connected to the hydraulic cylinder, a clamping component used for limiting and fixing the blade is arranged below the knife grinding component, and the clamping component is installed on the base. The blade is inserted into the positioning cutter groove to be pressed and fixed, so that the cutting edge of the blade can be located in the center between the two grinding stones, the cutting edge of the blade can make contact with the two grinding stones at the same time, and a driving motor is started to drive the grinding stones to do reciprocating linear motion; and the grinding stones on the two sides are always attached to the cutting edge in the grinding process under the pressure of the springs on the two sides, the blade can be automatically ground, time and labor are saved, operation is safe, and the grinding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of knife sharpening, in particular to a knife sharpening device. Background Art

[0002] Car interior leather refers to a special type of leather used to enhance the ambience and beauty of a vehicle's interior. The quality of the leather is different from that of ordinary furniture leather, and the driver and passengers can feel its unique texture when they are in the car. Car interior leather is not limited to the interior, but can also cover the controller, steering wheel, and infotainment system. In the production process of car interior leather, a cutter is needed to cut the leather, and the cutter needs to be polished regularly to ensure the quality of the leather cutting.

[0003] At present, when grinding the cutter, the cutter needs to be disassembled first, and then manually grind it with the help of a grinding tool. During the grinding process, the cutter is easy to accidentally injure personnel. In addition, manual grinding is time-consuming and laborious, which needs to be improved. Utility Model Content

[0004] The utility model aims to provide a knife sharpening device to solve the problems that the existing technology uses a sharpening tool to manually sharpen the cutter, the cutter is easy to accidentally injure people during the sharpening process, and the manual sharpening is time-consuming and laborious.

[0005] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a knife sharpening device, including: a base, a mounting frame is fixedly installed on the base, a hydraulic cylinder is fixedly installed on the mounting frame, a knife sharpening component for automatically sharpening the blade is connected to the hydraulic cylinder, a clamping component for limiting and fixing the blade is provided below the knife sharpening component, and the clamping component is installed on the base.

[0006] As a preferred technical solution, the sharpening component includes a first mounting plate fixedly mounted on the telescopic end of the hydraulic cylinder, first fixing plates are fixedly mounted on both ends of the bottom of the first mounting plate respectively, a first bearing is fixedly mounted on the first fixing plate, screws are fixedly mounted in the inner rings of the two first bearings, a driving motor is fixedly mounted on one of the first fixing plates, the output shaft of the driving motor is fixedly connected to one end of the screw, a screw sleeve is threadedly mounted on the screw, a second mounting plate is fixedly mounted on the lower end of the screw, two second fixing plates are symmetrically fixedly mounted on both ends of the bottom of the second mounting plate, a spring is fixedly connected to the inner side of the second fixing plate, one end of the spring is fixedly connected to a pressure plate, and a grinding stone is detachably mounted on the pressure plate;

[0007] Wherein, a slide groove is provided at the bottom of the first mounting plate, a slider is slidably mounted inside the slide groove, and the lower end of the slider is fixedly connected to the upper end of the screw sleeve.

[0008] As a preferred technical solution, a second bearing is fixedly mounted on the second fixed plate, a guide rod is movably mounted in the inner ring of the second bearing, and one end of the guide rod is fixedly connected to one side of the pressure plate.

[0009] As a preferred technical solution, a mounting groove is provided on one side of the pressing plate, and the grinding stone is engaged and clamped in the mounting groove;

[0010] Among them, a first threaded hole is opened on the pressure plate, the first threaded hole is connected to the installation groove, the internal thread of the first threaded hole is installed with a clamping bolt, and a clamping groove is opened on the grinding stone, and one end of the clamping bolt is clamped inside the clamping groove.

[0011] As a preferred technical solution, the clamping component includes a positioning plate fixedly mounted on the base, a positioning knife groove being provided on the top of the positioning plate, second threaded holes being provided on both sides of the positioning plate, the second threaded holes being connected to the positioning knife groove, a handle bolt being installed on the internal thread of the second threaded hole, and one end of the handle bolt extending into the interior of the positioning knife groove.

[0012] As a preferred technical solution, the two grinding stones are abutted against each other under the pressure of the spring, and a V-shaped grinding groove is formed at the abutting position.

[0013] The utility model has at least the following beneficial effects:

[0014] The utility model provides a knife sharpening device, which inserts the back of the blade into the positioning knife groove downward, and then presses and fixes the blade by adjusting the handle bolts on both sides, so that the blade edge can be located at the center between the two grinding stones, and then starts the hydraulic cylinder to drive the grinding stone to descend, so that the blade edge can contact the two grinding stones at the same time, and starts the driving motor to drive the grinding stone to perform reciprocating linear motion, so that the grinding stone can automatically grind the blade back and forth, under the pressure of the springs on both sides, the grinding stones on both sides are always in contact with the blade during the grinding process, and the blade can be automatically sharpened, which saves time and labor, is safe to operate, and improves the grinding efficiency;

[0015] By installing the grinding stone on one side of the pressure plate and pressing and fixing the grinding stone with a clamping bolt, the stability of the grinding stone installation is increased. In addition, the clamping method of the clamping bolt makes it easy to disassemble and replace the grinding stone.

[0016] By connecting a guide rod to one side of the pressure plate and installing the guide rod in the inner ring of the second bearing, the stability of the spring output can be increased, and the spring deviation causing the grinding quality to deteriorate can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a three-dimensional diagram of the knife sharpening device of the utility model;

[0019] Figure 2 It is a side view of the knife sharpening device of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the knife sharpening components of the knife sharpening device of the utility model;

[0021] Figure 4 It is a schematic diagram of the installation structure of the grinding stone of the knife sharpening device of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the pressure plate of the knife sharpening device of the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the clamping component of the knife sharpening device of the utility model.

[0024] Description of Figure Numbers:

[0025] 1. Base; 2. Mounting frame; 3. Hydraulic cylinder; 4. First mounting plate; 401. First fixed plate; 402. First bearing; 403. Slide groove; 404. Slider; 5. Screw; 501. Screw sleeve; 6. Driving motor; 7. Second mounting plate; 701. Second fixed plate; 702. Spring; 703. Pressing plate; 7031. Mounting groove; 7032. First threaded hole; 7033. Clamping bolt; 704. Grinding stone; 7041. Clamping groove; 705. Second bearing; 706. Guide rod; 8. Positioning plate; 801. Positioning knife groove; 802. Second threaded hole; 803. Handle bolt. DETAILED DESCRIPTION

[0026] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0027] Example

[0028] Please refer to Figures 1 to 6As shown, this embodiment provides a knife sharpening device, including: a base 1, a mounting frame 2 is fixedly mounted on the base 1, a hydraulic cylinder 3 is fixedly mounted on the mounting frame 2, a knife sharpening component for automatically sharpening a blade is connected to the hydraulic cylinder 3, a clamping component for limiting and fixing the blade is provided below the knife sharpening component, and the clamping component is mounted on the base 1. By using the knife sharpening component and the clamping component in coordination, the blade can be automatically sharpened, manpower is saved, and the operation is safe and the grinding efficiency is high.

[0029] The sharpening component includes a first mounting plate 4 fixedly mounted on the telescopic end of the hydraulic cylinder 3, first fixing plates 401 are fixedly mounted on both ends of the bottom of the first mounting plate 4, first bearings 402 are fixedly mounted on the first fixing plate 401, screws 5 are fixedly mounted in the inner rings of the two first bearings 402, a driving motor 6 is fixedly mounted on one of the first fixing plates 401, the output shaft of the driving motor 6 is fixedly connected to one end of the screw 5, a screw sleeve 501 is threadedly mounted on the screw 5, a second mounting plate 7 is fixedly mounted on the lower end of the screw 5, two second fixing plates 701 are symmetrically fixedly mounted on both ends of the bottom of the second mounting plate 7, a spring 702 is fixedly connected to the inner side of the second fixing plate 701, and a pressure plate 70 is fixedly connected to one end of the spring 702 3. A grinding stone 704 is detachably mounted on the pressure plate 703; wherein, a slide groove 403 is provided at the bottom of the first mounting plate 4, and a slider 404 is slidably mounted inside the slide groove 403, and the lower end of the slider 404 is fixedly connected to the upper end of the screw sleeve 501. When grinding the blade, the blade is abutted between the two grinding stones 704, and the bevel of the grinding stone 704 fits the blade. The blade is tightly pressed between the two grinding stones 704 by springs 702 at both ends, ensuring that the grinding stone 704 always fits the blade during the grinding process. In addition, the driving motor 6 can drive the grinding stone 704 to perform reciprocating linear motion, so that the grinding stone 704 can automatically grind the blade back and forth, saving manpower, and having safe operation and high grinding efficiency.

[0030] Among them, a second bearing 705 is fixedly installed on the second fixed plate 701, and a guide rod 706 is movably installed in the inner ring of the second bearing 705. One end of the guide rod 706 is fixedly connected to one side of the pressure plate 703. The second bearing 705 is a linear bearing. By connecting the guide rod 706 on one side of the pressure plate 703, the stability of the output of the spring 702 can be increased, thereby avoiding the deviation of the spring 702 and causing a decrease in grinding quality.

[0031] Among them, a mounting groove 7031 is opened on one side of the pressure plate 703, and the grinding stone 704 is embedded and clamped in the interior of the mounting groove 7031; wherein, a first threaded hole 7032 is opened on the pressure plate 703, the first threaded hole 7032 is connected with the mounting groove 7031, and the internal thread of the first threaded hole 7032 is installed with a clamping bolt 7033, and a clamping groove 7041 is opened on the grinding stone 704, and one end of the clamping bolt 7033 is clamped in the interior of the clamping groove 7041. By installing the grinding stone 704 on one side of the pressure plate 703 and clamping and fixing the grinding stone 704 by the clamping bolt 7033, the stability of the installation of the grinding stone 704 is increased. In addition, the clamping method of the clamping bolt 7033 facilitates the disassembly, assembly and replacement of the grinding stone 704.

[0032] Among them, the clamping component includes a positioning plate 8 fixedly installed on the base 1, a positioning knife groove 801 is opened on the top of the positioning plate 8, and second threaded holes 802 are opened on both sides of the positioning plate 8, respectively. The second threaded hole 802 is connected to the positioning knife groove 801, and the internal thread of the second threaded hole 802 is installed with a handle bolt 803, and one end of the handle bolt 803 extends into the interior of the positioning knife groove 801. During installation, the back of the knife is inserted into the interior of the positioning knife groove 801 with the back of the knife facing down, and then the blade is pressed and fixed by adjusting the handle bolts 803 on both sides, so that the blade edge can be located in the center between the two grinding stones 704, which is convenient for fixing the blade, avoiding people holding the blade for grinding, and increasing the safety of blade grinding.

[0033] Among them, the two grinding stones 704 are abutted against each other under the pressure of the spring 702, and a V-shaped grinding groove is formed at the abutting position. The blade is inserted from the V-shaped opening, which is convenient for the insertion of the blade. During grinding, the blade edge is always in contact with the bottom of the V-shaped groove, and both sides of the blade are ground at the same time, which improves the grinding efficiency.

[0034] As is well known to those skilled in the art, the working principles and wiring methods of the hydraulic cylinder 3 and the drive motor 6 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can select their models arbitrarily according to their needs or convenience.

[0035] Working principle: When in use, first insert the back of the knife with the back of the knife facing down into the inside of the positioning knife groove 801, and then adjust the handle bolts 803 on both sides to press and fix the blade so that the blade can be located in the center between the two grinding stones 704, and then start the hydraulic cylinder 3 to drive the grinding stone 704 to descend, so that the blade can contact the two grinding stones 704 at the same time, and start the drive motor 6 to drive the grinding stone 704 to perform reciprocating linear motion, so that the grinding stone 704 can automatically grind the blade back and forth, and under the pressure of the springs 702 on both sides, the grinding stones 704 on both sides are always in contact with the blade during the grinding process.

[0036] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A knife sharpening device, characterized in that: include: A base (1), a mounting frame (2) is fixedly mounted on the base (1), a hydraulic cylinder (3) is fixedly mounted on the mounting frame (2), a sharpening component for automatically sharpening a blade is connected to the hydraulic cylinder (3), a clamping component for limiting and fixing the blade is provided below the sharpening component, and the clamping component is mounted on the base (1); The knife sharpening component comprises a first mounting plate (4) fixedly mounted on the telescopic end of the hydraulic cylinder (3), first fixing plates (401) being fixedly mounted on both ends of the bottom of the first mounting plate (4), first bearings (402) being fixedly mounted on the first fixing plates (401), screws (5) being fixedly mounted in the inner rings of two first bearings (402), a driving motor (6) being fixedly mounted on one of the first fixing plates (401), and an output shaft of the driving motor (6) being connected to the screw One end of the rod (5) is fixedly connected, a screw sleeve (501) is threadedly installed on the screw rod (5), a second mounting plate (7) is fixedly installed on the lower end of the screw rod (5), two second fixing plates (701) are symmetrically fixedly installed at both ends of the bottom of the second mounting plate (7), a spring (702) is fixedly connected to the inner side of the second fixing plate (701), one end of the spring (702) is fixedly connected to a pressing plate (703), and a grinding stone (704) is detachably installed on the pressing plate (703); A sliding groove (403) is provided at the bottom of the first mounting plate (4), a sliding block (404) is slidably mounted inside the sliding groove (403), and the lower end of the sliding block (404) is fixedly connected to the upper end of the screw sleeve (501).

2. A knife sharpening device according to claim 1, characterized in that: A second bearing (705) is fixedly mounted on the second fixed plate (701), a guide rod (706) is movably mounted in the inner ring of the second bearing (705), and one end of the guide rod (706) is fixedly connected to one side of the pressure plate (703).

3. A knife sharpening device according to claim 2, characterized in that: A mounting groove (7031) is provided on one side of the pressing plate (703), and the grinding stone (704) is engaged and clamped inside the mounting groove (7031); In which, a first threaded hole (7032) is opened on the pressure plate (703), the first threaded hole (7032) is connected to the installation groove (7031), the internal thread of the first threaded hole (7032) is installed with a clamping bolt (7033), and a clamping groove (7041) is opened on the grinding stone (704), and one end of the clamping bolt (7033) is clamped inside the clamping groove (7041).

4. A knife sharpening device according to claim 1, characterized in that: The clamping component comprises a positioning plate (8) fixedly mounted on the base (1), a positioning knife groove (801) being provided on the top of the positioning plate (8), second threaded holes (802) being provided on both sides of the positioning plate (8), the second threaded holes (802) being connected to the positioning knife groove (801), a handle bolt (803) being installed on the internal thread of the second threaded hole (802), and one end of the handle bolt (803) extending into the interior of the positioning knife groove (801).

5. A knife sharpening device according to claim 2, characterized in that: The two grinding stones (704) are pressed against each other by the spring (702), and a V-shaped grinding groove is formed at the contacting position.

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