CN116533068A - Knife sharpening die - Google Patents

Abstract

The application discloses a knife sharpening die relates to the field of cutter processing equipment, and comprises a mounting seat and a workbench arranged on the mounting seat, wherein the mounting seat is used for being fixed on the grinding equipment, the workbench comprises a base and a movable seat, the base is arranged on the mounting seat, the movable seat is arranged on the base in a sliding manner, a clamping table is connected onto the movable seat in a sliding manner and is used for mounting a cutter, a guide groove matched with the path direction of a cutter edge is formed in the base, and a guide rod used for being inserted into the guide groove is arranged on the clamping table; be equipped with on the base and be used for driving and remove gliding drive assembly of seat, remove the seat and slide so that the cutting edge lateral wall of installing the cutter on pressing from both sides the platform can follow self route direction and contact the wheel outer wall of polishing of equipment in proper order, this application is through the cooperation of guide way and guide bar for press from both sides the platform and can produce relative motion when following the motion of removal seat self, be convenient for polish the wheel and polish to special-shaped cutting edge completely.

Description

A sharpening mold

technical field

The present application relates to the field of cutting tool processing equipment, in particular to a sharpening mold.

Background technique

On some electronic scales, a cutter for cutting labels is usually equipped. After the electronic scale weighs the product, it will spit out a label of a specific size, and cut the label with the cutter.

Knives can be divided into straight-edge knives and V-shaped knives. The knives will be blunted after long-term use. At this time, the knives need to be polished. The grinding equipment in the related art generally uses a grinding wheel. When using, the knives are installed On the mold, make the blade of the tool stick to the outer wall of the grinding wheel, then drive the tool to move horizontally through the driving mechanism on the mold, and drive the grinding wheel to rotate through the motor, so that the straight-line blade can be ground, while for the V-shaped blade , when the driving mechanism drives the V-shaped cutter to move to grind the blade, because the direction of the blade is constantly changing, some blades cannot touch the outer wall of the grinding wheel, so that the grinding wheel cannot completely grind the V-shaped blade, and secondary processing is required , is more troublesome.

Contents of the invention

In order to facilitate the grinding of knives with special-shaped blades (such as V-shaped blades) by the grinding wheel, the application provides a knife grinding mold.

A kind of sharpening mold provided by the application adopts the following technical scheme:

A sharpening mold, comprising a mount and a workbench arranged on the mount, the mount is used to be fixed on a grinding device, the workbench includes a base and a moving seat, the base is arranged on the mount, The moving seat is slidably arranged on the base, and a clamping table is slidably connected to the moving seat, and the clamping table is used for installing a tool. The base is provided with a guide groove adapted to the path direction of the cutting edge of the tool. The platform is provided with a guide rod for inserting into the guide groove; the base is provided with a drive assembly for driving the sliding of the moving seat, and the sliding of the moving seat enables the blade side wall of the tool installed on the clamping table to move Contact the outer wall of the grinding wheel of the grinding equipment sequentially along the direction of its own path.

By adopting the above technical scheme, when grinding the edge of a special-shaped tool, such as a V-shaped blade, first install the blade on the clamping table, then insert the guide rod into the guide groove, and then drive the moving seat to slide through the driving assembly. Cooperating with the guide groove, the clamping table can follow the movement of the moving seat and at the same time it can do relative movement, and the direction of the guide groove is matched with the direction of the blade of the tool, so that the blade can always be maintained when it passes through the grinding wheel. Contradicting the outer wall of the grinding wheel, so that the grinding wheel can grind the blade, the whole process is simple and convenient, no secondary processing is required for grinding the special-shaped blade, so that the grinding wheel can completely grind the special-shaped blade.

Optionally, there are multiple guide grooves with different shapes.

By adopting the above technical solution, the arrangement of a plurality of guide grooves with different shapes enables cutting edges of different shapes to be processed on one mould, which enhances the adaptability of the mould.

Optionally, one guide rod is provided, and a plurality of perforations for the guide rod to pass through to be inserted into the guide groove are opened on the clamping table, and the guide rod can pass through different perforations to be inserted into different in the guide groove.

By adopting the above technical solution, for different shapes of blades, select the corresponding guide groove, and then insert the guide rod into the corresponding guide groove through the corresponding perforation, so as to realize the guiding movement of the clamping table, which can be realized by a guide rod Processing of blades of different shapes.

Optionally, a plurality of guide rods are provided, and the plurality of guide rods correspond to the plurality of guide grooves, the guide rods can move on the clamping platform, and the guide rods move to be inserted into or out of the guide grooves.

By adopting the above technical solution, a technical solution is provided in which a plurality of guide rods realize different-shaped blade processing. When processing the blade, insert the guide rods into the corresponding guide grooves and make other guide rods disengage from the corresponding guide grooves.

Optionally, the clamping platform is provided with a positioning mechanism for positioning the tool.

By adopting the above technical solution, the positioning mechanism can ensure the stability of the cutter and prevent the blade from shaking and affect the processing effect.

Optionally, the positioning mechanism includes a pressing assembly, the pressing assembly includes a pressing block and a locking bolt, the pressing block is provided with a bar-shaped groove, and the locking bolt passes through the bar-shaped The slot is threadedly connected to the pressing block; the cutter is limited between the pressing block and the clamping table.

By adopting the above technical scheme, when positioning the tool, first make the tool stick to the surface of the clamping table, then turn the pressing block to the position of the tool, and then turn the locking bolt until the pressing block compresses the tool; the positioning mechanism has a simple structure , easy to operate.

Optionally, the positioning mechanism further includes a positioning block, the positioning block is fixed on the surface of the clamping table, and a positioning hole for the positioning block to pass through is opened on the tool.

By adopting the above technical solution, when the tool is positioned, the positioning block is made to pass through the positioning hole, which can further prevent the tool from shaking.

Optionally, the base is rotatably connected to the installation base, and the installation base is provided with a positioning member for positioning the angle of the base.

By adopting the above technical solution, it is convenient to adjust the angle of the cutter, and when processing cutters of different shapes, the blade of the cutter can collide with the outer wall of the grinding wheel.

In summary, the application includes the following beneficial technical effects:

1. In this application, through the cooperation of the guide groove and the guide rod, the clamping table can produce relative movement while following the movement of the moving seat, so that the blade can always touch the outer wall of the grinding wheel during the process of passing the grinding wheel, which is convenient The grinding wheel completely grinds the special-shaped blade;

2. This application can process different shapes of knives on one mold through the setting of multiple guide grooves, and at the same time provides a technical solution for one or multiple guide rods to realize the processing of different shapes of blades.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a kind of sharpening die embodiment 1 disclosed in the present application applied to grinding equipment;

Fig. 2 is a side view of the overall structure of Embodiment 1 of a sharpening die disclosed in the present application;

Fig. 3 is a schematic diagram of the overall structure of Embodiment 1 of a sharpening die disclosed by the present application;

Fig. 4 is a schematic diagram of the overall structure of Embodiment 2 of a sharpening mold disclosed by the present application;

Fig. 5 is a sectional view one of Fig. 4;

Fig. 6 is a partial sectional view of Fig. 4;

Fig. 7 is an enlarged schematic view of area A in Fig. 6;

Fig. 8 is the second cross-sectional view of Fig. 5 and Fig. 4;

FIG. 9 is a cross-sectional view of the partial structure of FIG. 4 .

Explanation of reference signs:

1. Mounting seat; 2. Workbench; 3. Body; 4. Grinding wheel; 5. Base; 6. Moving seat; 7. Nut; 8. Shaft; 9. Side plate; 10. Fixing frame; 12, slider; 13, handle; 14, screw rod; 15, clamping platform; 16, chute; 17, guide groove; 18, guide rod; 19, perforation; 20, locking bolt; 21, pressing block; 22, positioning block; 23, positioning hole; 24, sealing chamber; 25, spring; 26, rack; 27, gear; 28, bevel gear one; 29, bevel gear two; 30, screw rod; 31, handle; 32 , connecting rod; 33, sliding groove; 34, air cavity; 35, winding roller; 36, pull cord; 37, piston; 38, airway; 39, cavity; 40, rotating rod; 41, changing groove; 42, inserting rod; 43, guide block; 44, strip groove.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-9.

The application discloses a sharpening die.

Embodiment 1;

Referring to Fig. 1 and Fig. 2, a knife sharpening mold includes a mounting base 1 and a workbench 2 arranged on the mounting base 1, the mounting base 1 is used to be fixed on the grinding equipment, and the grinding equipment includes a body 3 and a grinding wheel 4, The mounting base 1 is fixed on the body 3 by screws, the grinding wheel 4 is rotatably connected to the body 3, and the grinding wheel 4 is driven by a motor.

Referring to Fig. 2 and Fig. 3, the workbench 2 includes a base 5 and a moving seat 6, the base 5 is rotatably connected to the mounting base 1, the rotation axis of the base 5 is arranged along the length direction of the body 3, and the mounting base 1 is provided with an angle for positioning the base 5. The positioning part, the positioning part includes a nut 7, a rotating shaft 8 is fixedly connected to the mounting seat 1, a side plate 9 is integrally formed on the base 5, the side plate 9 is sleeved on the rotating shaft 8, the nut 7 is threaded on the rotating shaft 8 and the nut 7 Located outside the side plate 9 , by turning the nut 7 , the nut 7 is pressed against the side plate 9 , thereby limiting the rotation of the base 5 .

In another embodiment, the positioning member can also use an air cylinder to drive the base 5 to rotate. The air cylinder can not only drive the base 5 to rotate, but also position the angle of the base 5 .

Referring to Fig. 2 and Fig. 3, in this embodiment, there are not many cutting tools that are frequently used. In the actual work process, different cutting tools can be processed to correspond to different angles of the base 5, so angle scales are marked on the outer wall of the side plate 9 line, and correspondingly fix the indicator block on the mounting base 1, for tool processing, the base 5 can be directly adjusted to the corresponding angle.

The mobile seat 6 is slidably arranged on the base 5, and the sliding direction of the mobile seat 6 is arranged along the length direction of the body 3. The base 5 is provided with a driving assembly for driving the mobile seat 6 to slide, and the base 5 is fixedly connected with a fixed mount 10, and the fixed mount 10 The length direction is set along the length direction of the body 3, the fixed frame 10 is fixedly connected with two polished rods 11, the length direction of the polished rods 11 is set along the length direction of the fixed frame 10 of the body 3, and the moving seat 6 is fixedly connected with a slider 12, two polished rods 11 Both pass through the slider 12, the drive assembly includes a handle 13 and a screw mandrel 14, the length direction of the screw mandrel 14 is arranged along the length direction of the fixed frame 10, the screw mandrel 14 passes through the slider 12 and is threadedly connected with the slider 12, the screw mandrel 14 One end passes through the fixing bracket 10 and is fixedly connected to the handle 13, so that the handle 13 drives the screw mandrel 14 to rotate.

In another embodiment, the drive assembly can also be driven by electricity, for example, electricity drives the screw rod 14 to rotate, or a cylinder drives the slide block 12 to slide, and so on.

Referring to Fig. 2 and Fig. 3, in the present embodiment, the movable base 6 is slidably connected with a clamping platform 15, and the tool is mounted on the clamping platform 15 through a positioning mechanism. When the movable base 6 is set horizontally, the clamping platform 15 can direction, and the sliding direction of clamping platform 15 is perpendicular to the sliding direction of moving seat 6. The moving seat 6 is Y-shaped. Offer the chute 16 that slides for clamping platform 15; Offer the guide groove 17 that is adapted with the cutter blade path direction on the base 5, be provided with the guide bar 18 that is used to insert guide groove 17 on clamping platform 15; Make the blade side wall of the tool installed on the holder 15 contact the outer wall of the grinding wheel 4 of the grinding equipment successively along the direction of its own path.

With reference to Fig. 2 and Fig. 3, guide groove 17 is set as a plurality of, because in actual production process, the cutter commonly used is the cutter of linear blade and the cutter of V-shaped blade, so in the present embodiment, guide groove 17 is set as Two, a guide groove 17 is linear, and the path direction of the guide groove 17 is set along the sliding direction of the moving seat 6 to be used for processing the cutter of the straight-line blade, and the other guide groove 17 is an inverted V shape, which is consistent with the V-shaped blade. The orientation of the tool is adapted to be used for processing the cutter of the V-shaped blade. When the cutter of the V-shaped blade is processed, the guide rod 18 is inserted into the guide groove 17 for processing the V-shaped blade, and the guide rod 18 is located in the guide groove. At the highest point of 17, the lowest point of the V-shaped blade is located at the outer wall of the contact grinding wheel 4, so that during the sliding process of the moving seat 6, due to the change of the direction of the V-shaped guide groove 17, the side wall of the V-shaped blade can always follow the direction of its own path. Contact the outer wall of the grinding wheel 4 of the grinding equipment in turn to process the cutter of the V-shaped blade.

In this embodiment, one guide rod 18 is provided, and a plurality of perforations 19 are provided on the clamping table 15 for the guide rod 18 to pass through to be inserted into the guide groove 17. The number of perforations 19 is adapted to the number of guide grooves 17 and In one-to-one correspondence, the guide rods 18 can pass through different through holes 19 to be inserted into different guide slots 17 .

2 and 3, in order to enhance the stability of the guide rod 18, the guide rod 18 can be provided with external threads, the inner wall of the perforation 19 can be provided with internal threads, and the guide rod 18 can be threaded with the inner wall of the perforation 19.

The positioning mechanism includes a pressing assembly, and the pressing assembly includes a pressing block 21 and a locking bolt 20. The pressing block 21 is provided with a bar-shaped groove 44, and the locking bolt 20 is threaded on the pressing block 21 through the bar-shaped groove 44. On; the tool is limited between the pressing block 21 and the outer surface of the clamping platform 15 .

In actual use, since the cutting edge of the tool needs to be ground, the cutting edge of the cutting tool needs to be partly located outside the holder 15 after the pressing assembly compresses the cutting tool.

Referring to Fig. 2 and Fig. 3, the positioning mechanism also includes multiple sets of positioning parts, each group of positioning parts includes a plurality of positioning blocks 22, and the positioning blocks 22 are fixed on the surface of the holder 15, and the tool is provided with positioning holes for the positioning blocks 22 to pass through 23. In this embodiment, there are two positioning parts, one of which is used for positioning the tool with a straight blade, and the other positioning part is used for positioning the tool with a V-shaped blade; the positioning block 22 has certain elasticity and can Interference fit with the positioning hole 23 to enhance the stability of the tool.

The implementation principle of Embodiment 1 of a sharpening mold of the present application is as follows: when in use, the tool to be polished is installed on the holder 15, and the tool is positioned and locked by the pressing block 21 and the positioning block 22, and then adjusted The angle of the base 5 enables the blade of the cutter to touch the outer wall of the grinding wheel 4, and selects different guide grooves 17 for cutters of different shapes, so that the guide rod 18 is inserted into the corresponding guide groove 17, and then the handle 13 is rotated to drive Screw mandrel 14 rotates, thereby drives movable seat 6 to move, and movable seat 6 moves, and under the cooperation of guide bar 18 and guide groove 17, clamping platform 15 produces motion, thereby can make the blade of cutter can always conflict on grinding wheel 4 outer walls.

Embodiment 2;

With reference to Fig. 4 and Fig. 5, the difference between the present embodiment and embodiment 1 is that the guide rod 18 is set to a plurality, the number of the guide rod 18 is adapted to the number of the guide grooves 17 and corresponds one by one, and the guide groove 17 is set as In the case of two, the guide rod 18 is set as two, and the guide rod 18 is slidably connected in the clamp table 15 along the thickness direction of the clamp table 15, and the seal chamber 24 for the slide of the guide rod 18 is provided in the clamp table 15, and the guide rod 18 The inner wall of the sealing chamber 24 is in a sealed setting, and the sealing chamber 24 is fixedly connected with a spring 25 along the sliding direction of the guide rod 18, the spring 25 is fixedly connected with the guide rod 18, and the clamping table 15 is provided with a drive mechanism for driving the guide rod 18 to slide .

In this embodiment, a driving mechanism is used to realize the simultaneous reverse movement of the two guide rods 18, that is, when one of the guide rods 18 is inserted into the corresponding guide groove 17, the other guide rod 18 breaks away from the guide groove 17 and moves away from the guide groove. 17 directions to move.

Referring to Fig. 5 and Fig. 6, driving mechanism comprises rack 26 and gear 27, and gear 27 is set as two, and rack 26 is also set as two, and rack 26 is slidably connected in clamping platform 15, and clamping platform 15 is provided with The sliding groove 33 for the rack 26 to slide, the length direction and the sliding direction of the rack 26 are set along the sliding direction of the clamping table 15, and a connecting rod 32 is fixedly connected between the two racks 26, so that the two racks 26 keep moving synchronously .

Referring to Fig. 6 and Fig. 7, a cavity 39 is provided in the holder 15, a screw 30 is rotatably connected to the holder 15, one end of the screw 30 passes through the rack 26 and is threadedly connected with the rack 26, and the other end of the screw 30 is coaxially fixed Bevel gear 27 one is connected, and bevel gear 27 one is located in cavity 39, and bevel gear 27 two is connected with rotation in cavity 39, and bevel gear 27 one is meshed with bevel gear 27 two and is connected, and the rotation connection in clamping table 15 is used for driving The rotating handle 31 that bevel gear 27 two rotates;

Referring to Fig. 6 and Fig. 8, the gear 27 is rotatably connected in the clamping table 15, and the two gears 27 are meshed with the two racks 26 respectively, and the coaxial fixed connection of the gear 27 is a take-up roller 35, and the take-up roller 35 is rotatably connected In the clamping table 15, two air chambers 34 are provided in the clamping table 15, and a movable piston 37 is arranged in the air chamber 34. The outer wall of the piston 37 and the inner wall of the air chamber 34 are sealed. A pull cord 36, the other end of which is fixedly connected to the piston 37; one of the air chambers 34 communicates with the sealed chamber 24 through an air passage 38, and the other air chamber 34 communicates with the sealed chamber 24 through another air passage 38.

At the initial position, the two guide rods 18 are located in the sealed cavity 24, and the spring 25 is deformed. During use, the two racks 26 are moved by turning the handle 13, thereby driving the gear 27 to move, and the gear 27 moves to drive the winding roller 35 Rotate to wind up or unwind the stay cord 36, thereby driving the two pistons 37 to move, one of the winding rollers 35 is wound up, and one of the sealed chambers 24 is pumped, and the guide rod 18 in the sealed chamber 24 is under the action of air pressure Moving away from the guide groove 17, the other winding roller 35 unwinds, the piston 37 temporarily loses its restriction, and the spring 25 has a tendency to recover and deform, so that the guide rod 18 in the sealed cavity 24 is inserted into the guide groove 17.

In this embodiment, by controlling the winding direction of the pull cord 36 or the steering of the two gears 27, it can be realized that when one of the guide rods 18 is inserted into the corresponding guide groove 17, the other guide rod 18 breaks away from the guide groove 17. And move away from the direction of the guide groove 17.

Referring to Fig. 4 and Fig. 9, in order to realize that the compression block 21 automatically compresses the tool during the process of changing the guide rod 18, the compression assembly in this embodiment no longer uses the locking bolt 20, and the compression block 21 is set as two, and the two pressing blocks 21 are integrally formed, and the two pressing blocks 21 are L-shaped, and the winding roller 35 is fixedly connected with a rotating rod 40 coaxially, and the rotating rod 40 is located on the outer surface of the clamping platform 15 , the rotating rod 40 passes through the intersection of the two pressing blocks 21, the cross section of the rotating rod 40 is rectangular, so that the two pressing blocks 21 can move along the length direction of the rotating rod 40, and there are A conversion slot 41 capable of vertically moving the compression block 21, the conversion slot 41 is circumferentially arranged around the rotation rod 40, an insertion rod 42 is fixedly connected to one of the compression blocks 21, and a guide block 43 is fixedly connected to the lower end of the insertion rod 42 , the guide block 43 is a round rod type, the cross section of the conversion groove 41 is T-shaped, the guide block 43 is inserted in the conversion groove 41, and the compression block 21 can be vertically moved by changing the depth of the conversion groove 41; in this implementation Among the examples, there is a highest point and a lowest point on the bottom surface of the conversion groove 41, and the turning rod 40 rotates forward or reverse 180 degrees, and the guide block 43 can move from the highest point to the lowest point; when in the initial position, the two springs 25 are in the In the deformed state, the guide block 43 is located at the highest point of the conversion groove 41. When the cutter with a straight blade is pressed, the rotating rod 40 rotates forward 180 degrees to compress the cutter with a straight blade, and presses the cutter with a V-shaped blade. When tight, the rotating rod 40 reverses 180 degrees and compresses the cutter of the V-shaped blade.

The implementation principle of Embodiment 2 of a sharpening mold of the present application is: when in use, turn the runner, drive the screw rod 30 to rotate through the bevel gear 27 1 and bevel gear 27 2, thereby driving the two racks 26 to slide, and then drive the two The gear 27 rotates, the gear 27 rotates to drive the winding roller 35 to rotate, and the winding roller 35 rotates to drive the piston 37 to move, thereby cooperating with the spring 25 to realize the movement of the guide rod 18, so that when one of the guide rods 18 is inserted into the corresponding guide groove 17, Another guide rod 18 breaks away from the guide groove 17 and moves away from the direction of the guide groove 17, so as to realize the conversion of different guide grooves 17 according to different blade shapes, and in the process, the winding roller 35 rotates, driving the rotating rod 40 to rotate , under the action of the conversion slot 41, the pressing block 21 rotates to compress the tool.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (8)

1. a sharpening mold, comprising a mounting base (1) and a workbench (2) arranged on the mounting base (1), the mounting base (1) is used to be fixed on the grinding equipment, and it is characterized in that: the The workbench (2) includes a base (5) and a moving seat (6), the base (5) is arranged on the mounting seat (1), and the moving seat (6) is slidably arranged on the base (5), so A clamping platform (15) is slidably connected to the moving seat (6), and the clamping platform (15) is used for installing a tool, and a guide groove (17) adapted to the path direction of the tool blade is provided on the base (5). , the clamping platform (15) is provided with a guide rod (18) for inserting into the guide groove (17); the base (5) is provided with a driving assembly for driving the sliding seat (6), The moving seat (6) slides so that the blade side wall of the tool mounted on the clamping platform (15) can sequentially contact the outer wall of the grinding wheel (4) of the grinding equipment along its own path direction. 2. A sharpening die according to claim 1, characterized in that: the guide grooves (17) are provided in multiples and have different shapes. 3. A knife sharpening mold according to claim 2, characterized in that: one guide rod (18) is set, and a plurality of guide rods (18) are provided on the clamping platform (15). The guide rod (18) can pass through different through holes (19) to be inserted into different guide grooves (17). 4. A kind of sharpening mold according to claim 2, characterized in that: said guide rod (18) is set to a plurality of and a plurality of guide rods (18) correspond to a plurality of guide grooves (17), said A guide rod (18) is movable on the clamping table (15), said guide rod (18) being moved to be inserted into or disengaged from said guide groove (17). 5. A knife sharpening mold according to claim 1, characterized in that a positioning mechanism for positioning knives is provided on the clamping table (15). 6. A kind of sharpening mold according to claim 5, characterized in that: said positioning mechanism comprises a pressing assembly, said pressing assembly comprises a pressing block (21) and a locking bolt (20), said A bar-shaped groove (44) is provided on the pressing block (21), and the locking bolt (20) is screwed on the pressing block (21) through the bar-shaped groove (44); The limit is between the pressing block (21) and the clamping table (15). 7. A kind of sharpening mold according to claim 5, characterized in that: the positioning mechanism also includes a positioning block (22), and the positioning block (22) is fixed on the surface of the clamping table (15), so that A positioning hole (23) through which the positioning block (22) passes is opened on the tool. 8. A sharpening mold according to claim 1, characterized in that: the base (5) is rotatably connected to the mounting base (1), and the mounting base (1) is provided with a The locator for the angle of the base (5).