CN219005492U

CN219005492U - Sharpening machine for grinding woodworking blade

Info

Publication number: CN219005492U
Application number: CN202223445983.9U
Authority: CN
Inventors: 闫勇; 傅晓鹏; 李健
Original assignee: Xintian Yantai Electromechanical Technology Co ltd
Current assignee: Xintian Yantai Electromechanical Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to the technical field of sharpening machines and discloses a sharpening machine for grinding woodworking blades, which comprises a base, wherein a motor is arranged in the base, a sharpening disk is fixedly arranged at the output end of the motor, a cutter groove is formed in the woodworking blade, a sliding rail is fixedly arranged on the top end surface of the base, a sliding rod is slidably arranged on the sliding rail, a lower clamp is movably arranged on the top end surface of the sliding rod through an adjusting device, elastic limiting devices are arranged at four corners of the lower clamp, an upper clamp is movably arranged on the lower clamp through the elastic limiting devices, the woodworking blade is arranged between the lower clamp and the upper clamp, four groups of elastic limiting devices are fixedly arranged at the top end of the upper clamp, and a fixing block is movably arranged on the elastic limiting device at the top end surface of the upper clamp. According to the utility model, the extension length of the woodworking blade is changed, so that the length of the blade head of the woodworking blade extending between the woodworking blade and the upper clamp is changed conveniently according to the length of the woodworking blade, the empty part of the blade head is reduced, and the stress fracture of the blade head on the woodworking blade during polishing is avoided.

Description

Sharpening machine for grinding woodworking blade

Technical Field

The utility model relates to the technical field of sharpening machines, in particular to a sharpening machine for grinding woodworking blades.

Background

Unlike blades for machining metal materials, screw-fastened (clamped) woodworking blades used on woodworking knives generally have relatively sharp edges; the woodworking blade can no longer be sharp at long-time use back surface, and direct change blade can cause the waste of resource, consequently, in the producer of practical application, often can carry out the sharpening repair to the woodworking blade of wearing and tearing. The prior woodworking blade sharpening generally adopts a tool grinder, but the tool grinder is generally applicable to shaft cutters, and when the blade is ground, the problems of difficult clamping, inconvenient adjustment of the blade grinding angle and the like exist, so that the grinding quality of the blade is unstable, and the blade is sometimes scrapped even.

To be suitable for in-situ sharpening of clamped woodworking blades, chinese patent publication No. CN214292270U discloses a sharpening machine for sharpening woodworking blades comprising: the novel polishing device comprises a box body, a circular plate, a rectangular groove and a sliding rod, wherein an equipment groove is formed in the rear side of the interior of the box body, a polishing sheet is arranged on the front side of the box body, a bearing is wrapped on the outer surface of the sliding rod, a strip-shaped plate is connected to the rear side of the outer surface of the bearing, a lower clamping plate is connected to the rear surface of the strip-shaped plate, a spring is fixed to the upper surface of the lower clamping plate, and an upper clamping plate is connected to the upper end of the spring.

But this sharpening machine when polishing the centre gripping, the blade relies on splint to fix inconvenient regulation blade in splint to unable quick adjustment and fixed blade in splint's position, just also unable unsettled part of polishing of adjusting the blade as required, polish when the blade is unsettled, damages the tool bit easily.

To this end, we propose an edge grinder for grinding woodworking blades.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides an edge grinder for grinding woodworking blades.

In order to achieve the above purpose, the sharpening machine for grinding the woodworking blade comprises a base, wherein a motor is arranged in the base, a sharpening disc is fixedly arranged at the output end of the motor, a cutter groove is formed in the woodworking blade, a sliding rail is fixedly arranged at the top end surface of the base, a sliding rod is slidably arranged on the sliding rail, a lower clamp is movably arranged on the top end surface of the sliding rod through an adjusting device, elastic limiting devices are arranged at four corners of the lower clamp, an upper clamp is movably arranged on the lower clamp through the elastic limiting devices, the woodworking blade is arranged between the lower clamp and the upper clamp, four groups of elastic limiting devices are fixedly arranged at the top end of the upper clamp, fixing blocks are movably arranged on the elastic limiting devices at the top end surfaces of the upper clamp, sliding grooves are formed in the end surfaces of the two groups of the fixing blocks, the sliding blocks can slide back and forth in the sliding grooves, a first clamping block is fixedly arranged at the bottom end of the sliding block, the first clamping block penetrates through the upper clamp and extends into the cutter groove, a second clamping block is fixedly arranged between the two groups of the first clamping blocks, clamping blocks are fixedly arranged at positions of the upper clamp corresponding to the second clamping blocks, and clamping grooves can be fixedly connected with the clamping grooves.

Preferably, a protection ring is fixedly arranged around the base corresponding to the polishing disc, and the protection ring is an annular block.

Preferably, the adjusting device comprises a rotating shaft, and the two ends of the rotating shaft are provided with thread grooves and are in threaded connection with adjusting handles.

Preferably, the middle part integrated into one piece of slider is provided with the handle.

Preferably, the elastic limiting device comprises a spring rod and a reset spring, the spring rod is respectively and fixedly arranged above the lower clamp and the upper clamp, the spring rod on the lower clamp penetrates through the upper clamp, the spring rod on the upper clamp penetrates through the fixing block, the spring rod is a T-shaped rod, and the top of the spring rod is sleeved with the reset spring.

Preferably, the clamping groove is a rectangular plate, and grooves matched with the second clamping blocks are uniformly formed in the top end surfaces of the clamping groove at intervals.

Advantageous effects

The present utility model provides an edge grinder for grinding woodworking blades. The beneficial effects are as follows:

(1) The sharpening machine for grinding the woodworking blade changes the extending length of the woodworking blade, is convenient to change the length of the blade of the woodworking blade extending between the woodworking blade and the upper clamp according to the length of the woodworking blade, reduces the empty suspension part of the blade, and avoids the stress fracture of the upper blade of the woodworking blade during grinding.

(2) The sharpening machine for grinding the woodworking blade can shield the side when the woodworking blade rubs with the polishing disc, so that the risk of personnel injury caused by splashing scraps is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a split view of the fixing structure of the present utility model;

fig. 3 is a partial exploded view of the present utility model.

Legend description:

1. a base; 2. polishing the grinding disc; 3. a slide rail; 4. a slide rod; 5. a rotation shaft; 6. a lower clamp; 7. a woodworking blade; 8. an upper clamp; 9. a fixed block; 10. a chute; 11. a slide block; 12. a first clamping block; 13. a second clamping block; 14. a clamping groove; 15. a knife slot; 16. a spring rod; 17. a return spring; 18. a handle; 19. and a guard ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: 1-3, a sharpening machine for grinding woodworking blades, comprising a base 1, a motor arranged in the base 1, a grinding disc 2 fixed at the output end of the motor, a woodworking blade 7 rotated by the grinding disc 2 for grinding, a knife slot 15 arranged on the woodworking blade 7, a slide rail 3 fixedly arranged on the top surface of the base 1, a slide rod 4 slidingly arranged on the slide rail 3, a lower clamp 6 movably arranged on the top surface of the slide rod 4 through an adjusting device, elastic limiting devices arranged at four corners of the lower clamp 6, an upper clamp 8 movably arranged on the lower clamp 6 through the elastic limiting devices, a woodworking blade 7 arranged between the lower clamp 6 and the upper clamp 8, four groups of elastic limiting devices fixedly arranged on the top end of the upper clamp 8, a fixing block 9 movably arranged on the elastic limiting device on the top surface of the upper clamp 8, the two groups of fixing blocks 9 are provided with sliding grooves 10 on the end surfaces close to each other, a sliding block 11 capable of sliding back and forth in the sliding grooves 10 is movably arranged between the two groups of sliding grooves 10, a first clamping block 12 is fixedly arranged at the bottom end of the sliding block 11, the first clamping block 12 penetrates through the upper clamp 8 and extends into the knife slot 15, a second clamping block 13 is fixedly arranged between the two groups of first clamping blocks 12, clamping slots 14 are fixedly arranged at the positions of the top ends of the upper clamp 8 corresponding to the second clamping blocks 13, the second clamping blocks 13 can be clamped with the clamping slots 14, when the woodworking knife is used, the fixing block 9 is lifted up, the sliding block 11 and the first clamping block 12 are driven to move upwards, a knife blade is inserted between the woodworking knife blade 7 and the upper clamp 8 at the moment, then the knife slot 15 is aligned with the first clamping block 12, after the fixing block 9 is loosened, the first clamping block 12 is inserted into the knife slot 15 under the action of an elastic limiting device to limit the woodworking knife blade 7, the second clamping block 13 is lifted out of the clamping groove 14, and the second clamping block 13 is adjusted in the clamping groove 14 according to the requirement, so that the extending length of the woodworking blade 7 is changed, the length of the cutter head of the woodworking blade 7 extending out of the position between the woodworking blade 7 and the upper clamp 8 is changed according to the length of the woodworking blade 7, the empty hanging part of the cutter head is reduced, and the stress fracture of the cutter head on the woodworking blade 7 during polishing is avoided.

The base 1 corresponds around fixed mounting of the mill 2 has the protection ring 19, and the protection ring 19 is the annular piece, and when carpenter's blade 7 and the friction of mill 2, the side shelters from, reduces the risk that the piece of splashing caused personnel to hurt.

The adjusting device comprises a rotating shaft 5, screw grooves are formed in two ends of the rotating shaft 5 and are connected with adjusting handles in a threaded mode, and the adjusting handles are screwed at two ends to extrude the protruding blocks of the lower clamp 6, so that the inclination angle of the lower clamp 6 is fixed.

The middle part integrated into one piece of slider 11 is provided with handle 18, and the person of facilitating the use passes through portable handle 18, drives slider 11 and fixed block 9 and slides, conveniently controls.

The elastic limiting device comprises a spring rod 16 and a return spring 17, wherein the spring rod 16 is fixedly arranged above the lower clamp 6 and the upper clamp 8 respectively, the spring rod 16 on the lower clamp 6 penetrates through the upper clamp 8, the spring rod 16 on the upper clamp 8 penetrates through the fixing block 9, the spring rod 16 is a T-shaped rod, the return spring 17 is sleeved at the top of the spring rod 16, the return spring 17 is an elastic spring, the upper clamp 8 is tightly attached to the lower clamp 6 through the elastic force of the return spring 17, and meanwhile, the fixing block 9 is tightly attached to the upper clamp 8 to complete limiting requirements.

The clamping groove 14 is a rectangular plate, and grooves matched with the second clamping blocks 13 are uniformly formed in the top end surfaces of the clamping groove 14 at intervals.

The working principle of the utility model is as follows: when the woodworking knife is used, the fixing block 9 is lifted up, the sliding block 11 and the first clamping block 12 are driven to move upwards to the upper part of the clamp 8, the knife blade is inserted between the woodworking knife blade 7 and the upper clamp 8, then the knife groove 15 is aligned with the first clamping block 12, after the fixing block 9 is loosened, the first clamping block 12 is inserted into the knife groove 15 under the action of the elastic limiting device to limit the woodworking knife blade 7, the second clamping block 13 is lifted out of the clamping groove 14 at the moment, the second clamping block 13 is adjusted in the clamping groove 14 according to the requirement, so that the extending length of the woodworking knife blade 7 is changed, the length of the knife head of the woodworking knife blade 7 extending between the woodworking knife blade 7 and the upper clamp 8 is conveniently changed according to the length of the woodworking knife blade 7, the blank part of the knife head is reduced, and the knife head on the woodworking knife blade 7 is prevented from being stressed and broken when polishing.

When the woodworking blade 7 rubs with the sanding disc 2, the side is shielded, and the risk of personnel injury caused by splashed scraps is reduced.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sharpening machine for grinding woodworking blade, includes base (1), is provided with the motor in base (1), and the output fixed mounting of motor has grinding dish (2), has seted up knife slot (15), its characterized in that on woodworking blade (7): the utility model discloses a base, including base (1), slide rail (3) are installed on top face fixed mounting of base (1), slidable mounting has slide bar (4) on slide rail (3), slide bar (4) top face is through adjusting device movable mounting has down clamp (6), the four corners of clamp (6) are provided with elasticity stop device down, clamp (6) are through elasticity stop device movable mounting upper clamp (8), set up woodworking blade (7) between lower clamp (6) and upper clamp (8), the top fixed mounting of upper clamp (8) has four elastic limit device, elastic limit device movable mounting of upper clamp (8) top face has fixed block (9), spout (10) have been seted up to the terminal surface that two sets of fixed blocks (9) are close to each other, movable mounting has slider (11) that can slide around in spout (10) between two sets of spouts (10), the bottom fixed mounting of slider (11) has first fixture block (12), first fixture block (12) run through upper clamp (8) and extend to in knife slot (15), fixed mounting has second fixture block (13) between two sets of first fixture block (12), but upper clamp (8) top corresponds second fixture block (14) fixed mounting with second fixture block (14) in the slot (14).

2. An edge grinder for grinding woodworking blades as claimed in claim 1, wherein: the base (1) is fixedly provided with a protection ring (19) around the corresponding polishing disc (2), and the protection ring (19) is an annular block.

3. An edge grinder for grinding woodworking blades as claimed in claim 1, wherein: the adjusting device comprises a rotating shaft (5), and screw grooves are formed in two ends of the rotating shaft (5) and are connected with adjusting handles in a threaded mode.

4. An edge grinder for grinding woodworking blades as claimed in claim 1, wherein: the middle part integrated into one piece of slider (11) is provided with handle (18).

5. An edge grinder for grinding woodworking blades as claimed in claim 1, wherein: the elastic limiting device comprises a spring rod (16) and a return spring (17), wherein the spring rod (16) is fixedly installed above the lower clamp (6) and the upper clamp (8) respectively, the spring rod (16) on the lower clamp (6) penetrates through the upper clamp (8), the spring rod (16) on the upper clamp (8) penetrates through the fixing block (9), the spring rod (16) is a T-shaped rod, and the top of the spring rod (16) is sleeved with the return spring (17).

6. An edge grinder for grinding woodworking blades as claimed in claim 1, wherein: the clamping groove (14) is a rectangular plate, and grooves matched with the second clamping blocks (13) are uniformly formed in the top end surfaces of the clamping groove (14) at intervals.