CN220178333U

CN220178333U - Feed type chain grinder

Info

Publication number: CN220178333U
Application number: CN202321054086.7U
Authority: CN
Inventors: 毕晓峰; 陈东方
Original assignee: Tiedeping Hardware Plastic Shenzhen Co ltd
Current assignee: Tiedeping Hardware Plastic Shenzhen Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-12-15
Anticipated expiration: 2033-05-05

Abstract

The utility model relates to a feed type chain grinder. The main body of the chain grinder is provided with a clamping opening which is used for clamping the chain saw along the length direction of the chain saw; the main body is provided with a slideway, the length direction of the slideway is parallel to the chain direction of the chain saw, the sliding block is in sliding connection with the slideway, and the sliding block is arranged at the side edge of the clamping opening; the sliding block is provided with at least one perforation facing the clamping opening, and the grinding rod is used for penetrating the perforation and grinding a blade of a chain saw chain; a linear driving structure is arranged between the main body and the sliding block and is connected with the sliding block, and the linear driving mechanism is used for driving the sliding block to translate in the slideway so as to adjust the feed amount of the grinding rod. According to the chain grinder, the grinding rod penetrates into the sliding block, the sliding block can slide in the slideway, and the sliding direction is parallel to the length direction of the chain, so that when the chain cutter head is ground by the grinding rod, the grinding feed amount of the grinding rod to the chain cutter head can be adjusted by adjusting the position of the sliding block in the slideway, the controllability of the grinding feed amount of the grinding rod is realized, and the convenience of use is improved.

Description

Feed type chain grinder

Technical Field

The utility model relates to a saw chain grinding tool, in particular to a feed type chain grinder.

Background

The chain saw uses a gasoline engine or a motor as a power source to drive the saw chain to move, and the transverse movement of the staggered blades/tool bits on the saw chain can form shearing action, so that the chain saw can be used for sawing wood structures, wooden products or plastic products and the like. The blade/bit becomes dull after the chain saw is used for a long time, and the blade/bit needs to be sharpened for better use. US8550884B2 discloses a small chain saw sharpener that clamps the guide bar of the chain saw with 3 screws, with a movable jaw above it for holding a stationary saw chain, and a manual sharpening bar threaded on one side for sharpening/sharpening the blade/bit. In the structure of the patent, the manual grinding rod cannot adjust the horizontal feed, so that the grinding feed amount cannot be controlled during use, and the use is inconvenient and needs to be improved.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a feed type chain grinder so as to realize the controllability of grinding feed amount of a grinding rod.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a feed type chain sharpener comprises a main body, a sharpening bar and a sliding block, wherein the main body is provided with a clamping opening which is used for clamping a chain saw along the length direction of the chain saw; the main body is provided with a slideway, the length direction of the slideway is parallel to the length direction of a chain of the chain saw, the sliding block is in sliding connection with the slideway, and the sliding block is arranged on the side edge of the clamping opening; the sliding block is provided with at least one perforation facing the clamping opening, and the grinding rod is used for penetrating the perforation and grinding a blade of a chain saw chain; a linear driving structure is arranged between the main body and the sliding block and is connected with the sliding block, and the linear driving mechanism is used for driving the sliding block to translate in the slideway so as to adjust the feed amount of the grinding rod.

Wherein the linear driving mechanism is a gear rack mechanism or a screw mechanism.

When the linear driving mechanism is a screw mechanism, the linear driving mechanism comprises an adjusting screw and a nut, the adjusting screw is in threaded connection with the nut, and the axial direction of the adjusting screw is parallel to the length direction of the slideway; the nut is fixed to the end of the slider facing the adjusting screw or the nut is part of the slider. One side of the main body is fixed with an end plate, the end plate is arranged at the outer side of one side port of the slideway, the end plate is provided with a U-shaped port, the adjusting screw is provided with a shaft neck, and the shaft neck is arranged in the U-shaped port.

When the linear driving mechanism is a gear-rack mechanism, one end of the sliding block is provided with a rack extending along the length of the slideway, and the rack is meshed with an adjusting gear.

The main body comprises a first plate and a second plate which are parallel to each other, the second plate is fixedly connected with the first plate, and a clamping opening is formed between the first plate and the second plate. The side walls of the two sides of the clamping opening are respectively provided with a pair of upper clamping adhesive tapes and a pair of lower clamping adhesive tapes, the upper clamping adhesive tapes are used for clamping chains of the chain saw, and the lower clamping adhesive tapes are used for clamping guide plates of the chain saw. The first plate is provided with a threaded hole, a fastening screw penetrating from the second plate is screwed into the threaded hole, a step hole is formed in the outer side of the threaded hole, a pressure spring is arranged in the step hole, the fastening screw penetrates through the pressure spring, one end of the pressure spring abuts against the end face of the step hole, and the other end of the pressure spring abuts against the second plate. The upper part of the clamping opening is provided with a strip-shaped opening for exposing the blade of the chain, the slideway is provided with a window, and the grinding rod passes through the window to the upper part of the strip-shaped opening.

The slide way is provided with an upper slide groove and a lower slide groove, the slide block is provided with an upper flange and a lower flange, and the flanges are respectively inserted into the slide grooves.

Compared with the prior art, the utility model has the beneficial effects that: the grinding rod of the chain grinder penetrates into the sliding block, the sliding block can slide in the slideway, and the sliding direction is parallel to the length direction of the chain, so that when the chain cutter head is ground by the grinding rod, the grinding feed amount of the grinding rod to the chain cutter head can be adjusted by adjusting the position of the sliding block in the slideway, the controllability of the grinding feed amount of the grinding rod is realized, and the use convenience is improved.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 and 2 are perspective views of the assembly of the chain sharpener of the present utility model.

Fig. 3 and 4 are exploded views of the chain sharpener of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

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 fall within the scope of the utility model.

An embodiment of the present utility model is a chain sharpener 10 having the specific structure shown in FIGS. 1-4.

In some embodiments, as shown in fig. 1 and 2, the chain sharpener 10 includes a main body 20, a sharpening lever 40, and a slider 30. The main body 20 is provided with a clamping opening 21, and the clamping opening 21 is used for clamping a chain saw (not shown) in a chain length direction (a-B direction in fig. 1) of the chain saw. As shown in fig. 1, an elongated slide 22 is provided on one side of the main body 20, and the length direction of the slide 22 is parallel to the chain length direction of the chain saw. As shown in fig. 1, the slider 30 is slidably connected to the slideway 22, and the slider 30 is disposed at a side of the nip 21. As shown in fig. 1 and 2, the slider 30 is provided with 2 through holes 31 facing the nip 21, and the axes of the two through holes 31 form an acute included angle. In fig. 2, the main body 20 is provided with a U-shaped groove 23, the U-shaped groove 23 forms a strip-shaped opening 211 at the upper part of the clamping opening 21 for exposing the blade of the chain, a window 221 is provided on one side of the slideway 22 facing the clamping opening 21, and the grinding rod 40 can pass through the window 221 to the upper part of the strip-shaped opening 211. In use, the grinding rod 40 of fig. 1 is passed through one of the perforations 31 and the grinding rod 40 of fig. 2 is passed through the other perforation 31, and then the grinding rod 40 extends through the window 221 and over the nip 21 so that the grinding rod 40 can grind the blade of the chain gripped by the nip 21. Further, as shown in fig. 1, a handle 41 is fixed to the outer end of the grinding rod 40 to facilitate manual shaking of the grinding rod 40.

As shown in fig. 3, the slide 22 is provided with upper and lower slide grooves 222, and the slider 30 is provided with upper and lower flanges 301, and the flanges 301 are respectively inserted into the slide grooves 222, so that the slider 30 can stably linearly reciprocate in the slide 22.

A linear driving structure 50 is arranged between the main body 20 and the sliding block 30, the linear driving structure 50 is connected with the sliding block 30, and the linear driving structure 50 is used for driving the sliding block 30 to translate in the slideway 22 so as to adjust the feed amount of the grinding rod 40. As shown in fig. 3, the linear drive mechanism 50 is a screw mechanism. As shown in fig. 3, the linear driving structure 50 includes an adjusting screw 51 and a nut 52. One end of the adjusting screw 51 is in threaded connection with the nut 52, and the other end is provided with a knob 511 with anti-slip patterns. The axial direction of the adjusting screw 52 is parallel to the length direction of the slideway 22. The screw thread of the adjusting screw 51 is a self-locking screw thread, and the nut 52 cannot drive the adjusting screw 51 in the reverse direction, i.e. the positions of the nut 52 and the slide 30 are fixed by the adjusting screw 51. In fig. 3, the nut 52 is part of the slider 30. The nut 52 is kept at a suitable distance from the nearest perforation 31 of the slide 30 to avoid interference of the nut 52 with the grinding rod 40.

As shown in fig. 3, an end plate 25 is fixed to one side of the main body 20 by two screws 24, and the end plate 25 is provided outside one side port of the slide 22. The end plate 25 is provided with a U-shaped opening 251 and the adjustment screw 51 is provided with a journal 512, the journal 512 being placed in the U-shaped opening 251 such that the adjustment screw 51 is blocked by the end plate 25 from moving along the length of the slideway 22.

In other embodiments, the knob of the adjusting screw may be replaced with a hand crank. In other embodiments, the nut and the slider are two separate units, respectively, and the nut is fixed to one end of the slider facing the adjusting screw or the other end of the slider facing the adjusting screw. In other embodiments, the linear driving mechanism may be a rack-and-pinion mechanism, where one end of the slider has a rack extending along the length of the slideway, and the rack is engaged with an adjusting gear, and when the adjustment is performed, the adjusting gear is only rotated to drive the rack and the slider to linearly move in the slideway.

As shown in fig. 4, the main body 20 includes a first plate 26 and a second plate 27 that are parallel to each other. The first plate 26 and the second plate 27 form a nip 21 therebetween. The side walls of the two sides of the clamping opening 21 are respectively provided with a pair of sheet-shaped upper clamping adhesive tapes 28 and a pair of lower clamping adhesive tapes 29 with trapezoidal cross sections, one upper clamping adhesive tape 28 and one lower clamping adhesive tape 29 are arranged on the first plate 26, and the other upper clamping adhesive tape 28 and the other lower clamping adhesive tape 29 are arranged on the second plate 27. Two upper clamping strips 28 are used to clamp the chain of the chain saw, and two lower clamping strips 29 are used to clamp the guide plate of the chain saw.

The second plate 27 is fixedly connected to the first plate 26. Specifically, as shown in fig. 4, the first plate 26 is provided with two screw holes 261, and fastening screws 271 passing through the second plate 27 are screwed into the screw holes 261, so that the first plate 26 and the second plate 27 form a fixed connection. Further, a fastening knob 272 is fixed to the outer end of the fastening screw 271 so as to manually twist the fastening screw 271. As shown in fig. 4, the outer side of the threaded hole 261 is provided with a step hole 262, a compression spring 273 is arranged in the step hole 262, the compression spring 273 is penetrated by the fastening screw 271, one end of the compression spring 273 abuts against the end face of the step hole 262, and the other end abuts against the second plate 27.

When it is desired to fix the chain sharpener 10 to the chain of the chain saw, the two fastening screws 271 are loosened first and the two compression springs 273 push the second plate 27 away from the first plate 26, respectively, so that the nip 21 has a width greater than the width of the chain. The chain sharpener 10 is sleeved outside the chain saw, and then the two fastening screws 271 are gradually tightened, and the width of the clamping opening 21 gradually decreases, so that the clamping opening 21 clamps the chain and the guide plate of the chain saw finally. After the chain of the chain saw is clamped, the grinding rod 40 is adopted to grind the chain cutter head, and the adjusting screw 51 can be rotated as required to push the sliding block 30 to move at the moment so as to adjust the grinding feed amount of the grinding rod 40 to the chain cutter head, so that the grinding feed amount of the grinding rod 40 is controllable, and the convenience of use is improved.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, the "upper", "above" and "over" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The feed type chain sharpener is characterized by comprising a main body, a sharpening rod and a sliding block, wherein the main body is provided with a clamping opening, and the clamping opening is used for clamping the chain saw along the length direction of the chain saw; the main body is provided with a slideway, the length direction of the slideway is parallel to the length direction of a chain of the chain saw, the sliding block is in sliding connection with the slideway, and the sliding block is arranged at the side edge of the clamping opening; the sliding block is provided with at least one perforation facing the clamping opening, and the grinding rod is used for penetrating the perforation and grinding a blade of a chain saw chain; the linear driving mechanism is arranged between the main body and the sliding block and is connected with the sliding block, and the linear driving mechanism is used for driving the sliding block to translate in the slideway so as to adjust the feed amount of the grinding rod.

2. The feed chain sharpener of claim 1, wherein said linear drive mechanism is a rack and pinion mechanism or a lead screw mechanism.

3. The feed type chain grinder according to claim 2, wherein when the linear driving mechanism is a screw mechanism, the linear driving mechanism comprises an adjusting screw and a nut, the adjusting screw is in threaded connection with the nut, and the axial direction of the adjusting screw is parallel to the length direction of the slideway; the nut is fixed at one end of the slider facing the adjusting screw or the nut is part of the slider.

4. The feed chain sharpener of claim 3 wherein an end plate is secured to one side of said body, said end plate being positioned outside a side port of the slideway, said end plate being provided with a U-shaped opening, said adjusting screw being provided with a journal, said journal being positioned in said U-shaped opening.

5. The feed chain sharpener of claim 2 wherein when the linear drive mechanism is a rack and pinion mechanism, one end of the slider carries a rack extending along the length of the slideway and the rack intermeshes with an adjustment gear.

6. The feed chain sharpener of claim 1, wherein the main body includes a first plate member and a second plate member parallel to each other, the second plate member being fixedly connected to the first plate member, the nip being formed between the first plate member and the second plate member.

7. The feed type chain sharpener of claim 6, wherein the side walls of the two sides of the clamping opening are respectively provided with a pair of upper clamping strips and a pair of lower clamping strips, the upper clamping strips are used for clamping chains of the chain saw, and the lower clamping strips are used for clamping guide plates of the chain saw.

8. The feed chain sharpener of claim 6, wherein the first plate member is provided with a threaded hole, a fastening screw passing through the second plate member is screwed into the threaded hole, a stepped hole is arranged outside the threaded hole, a pressure spring is arranged in the stepped hole, the fastening screw penetrates through the pressure spring, and one end of the pressure spring abuts against the end face of the stepped hole, and the other end abuts against the second plate member.

9. The feed chain sharpener of claim 1, wherein the slideway is provided with an upper chute and a lower chute, and the slider is provided with an upper flange and a lower flange, and the flanges are respectively inserted into the chutes.

10. The feed chain sharpener of claim 1, wherein the upper portion of the nip is provided with a bar-shaped opening for exposing the blade of the chain, the slideway is provided with a window, and the sharpening bar passes through the window to above the bar-shaped opening.