Single-face bar saw with saw blade convenient to replace

Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a single-face bar saw with a saw blade convenient to replace, which comprises a tool apron, and a handle is fixedly mounted at the top of the tool apron; the mounting assembly is fixedly mounted in the tool apron; the mounting assembly comprises a limiting part and a mounting part; the clamping assembly is fixedly mounted in the tool apron; the clamping assembly comprises a saw sleeve part and a clamping part; and the limiting part comprises a bottom plate, first flexible columns are linearly and fixedly installed on the left side of the bottom plate at equal intervals, a positioning column is fixedly installed in the tool apron, and a saw blade is movably installed in the tool apron. By arranging the mounting assembly, the bottom plate and the base plate are movably mounted at the bottom and the top of the saw blade, and the flexible columns are fixedly mounted on the surfaces, in contact with the saw blade, of the bottom plate and the base plate, so that the friction force between the bottom plate and the base plate is increased, and the effect of stably mounting the saw blade is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of advanced manufacturing and automation, and particularly relates to a single-sided bar saw convenient for replacing a saw blade. Background Technique

[0002] A single-sided bar saw is a woodworking tool mainly used for sawing wood. Its characteristic is that one side has saw teeth while the other side is smooth, and this design makes the sawing more efficient and accurate. When using a single-sided bar saw, it is necessary to keep the saw blade stable and aligned with the sawing line to ensure the accuracy and quality of sawing. At the same time, use appropriate force and speed to avoid excessive force or too fast sawing, so as to avoid damage to the saw blade or wood.

[0003] At present, in the actual application process of a single-sided bar saw convenient for replacing a saw blade, the installation between the saw blade and the tool holder is only limited and fixed by a clamping plate. Although it can still achieve the effect of saw blade installation, if the saw blade is pulled to the right, there is a possibility that the saw blade can be pulled out, and the stability of saw blade installation needs to be improved. Content of the Utility Model

[0004] The purpose of the utility model is to provide a single-sided bar saw convenient for replacing a saw blade, so as to achieve the purpose of solving the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a single-sided bar saw convenient for replacing a saw blade, including:

[0006] A tool holder, on the top of which a handle is fixedly installed;

[0007] An installation component, which is fixedly installed inside the tool holder;

[0008] Among them, the installation component includes a limiting part and an installation part;

[0009] A clamping component, which is fixedly installed inside the tool holder;

[0010] Among them, the clamping component includes a saw sleeve part and a clamping part.

[0011] Preferably, the limiting part includes a bottom plate, on the left side of which flexible columns I are linearly and equidistantly fixedly installed. A positioning column is fixedly installed inside the tool holder, and a saw blade is movably installed inside the tool holder.

[0012] Preferably, the bottom plate is movably installed inside the tool holder. The right side of the saw blade is in contact with the flexible columns I. The left end of the positioning column penetrates through the saw blade and extends to the outside of the saw blade. The positioning column is movably installed with the saw blade, and a threaded hole is opened inside the positioning column.

[0013] Preferably, the installation part includes a backing plate. On the right side of the backing plate, flexible columns II are fixedly installed at equal linear intervals. A positioning hole is formed inside the backing plate, and a round hole is also formed inside the backing plate. A support column is movably installed inside the round hole. A shell cover is fixedly installed at the left end of the support column. A fastener is fixedly installed inside the shell cover by means of a thread. At both ends of the fastener, abutting columns are fixedly installed.

[0014] Preferably, the backing plate is movably installed inside the tool holder. There is a movable installation between the backing plate and the positioning column. The left end of the positioning column penetrates through the positioning hole and extends into the interior of the positioning hole. The flexible columns II are in contact with the left side of the saw blade. The positioning hole and the positioning column are adapted to each other. The round hole and the support column are adapted to each other. The right side of the shell cover is in contact with the left side of the backing plate. The shell cover and the positioning column are fixedly installed by means of a thread through the fastener. The right end of the abutting column abuts against the left side of the shell cover.

[0015] Preferably, the saw sleeve part includes a saw sleeve. A buckle is fixedly installed on the back of the saw sleeve. A clamping groove is formed inside the buckle. The saw sleeve is sleeved with the saw blade. The left end of the saw sleeve is in contact with the right end of the tool holder.

[0016] Preferably, the clamping part includes an installation groove. A spring is fixedly installed inside the installation groove. A cylinder is sleeved inside the spring. A clamping block is fixedly installed at the right end of the cylinder.

[0017] Preferably, the installation groove is formed inside the tool holder. One end of the spring is fixedly connected to the clamping block. The right end of the clamping block sequentially penetrates through the tool holder and the clamping groove, and the right end of the clamping block extends into the interior of the clamping groove. A chamfer is provided at the left end of the clamping block.

[0018] The utility model provides a single-sided lever saw which is convenient for replacing the saw blade. It has the following beneficial effects:

[0019] (1) By setting the installation component, the bottom and top of the saw blade are movably installed with a bottom plate and a backing plate, and flexible columns are fixedly installed on the surfaces of the bottom plate and the backing plate that are in contact with the saw blade, increasing the friction between the two, achieving the effect of stable installation of the saw blade.

[0020] (2) By setting the installation component, the saw blade is limited and installed inside the tool holder through the positioning column, and the saw blade is fixedly installed inside the tool holder through the threaded installation between the shell cover and the positioning column, achieving the effect of convenient installation and disassembly of the saw blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the utility model;

[0022] Figure 2 is a rear view of the utility model;

[0023] Figure 3 This is the right view of the present utility model;

[0024] Figure 4 This is the Figure 3 partial enlarged view of A in the present utility model.

[0025] In the figure: 1 tool holder, 2 handle, 3 mounting assembly, 31 limiting part, 311 bottom plate, 312 flexible column I, 313 positioning column, 314 saw blade, 32 mounting part, 321 backing plate, 322 flexible column II, 323 positioning hole, 324 round hole, 325 support column, 326 housing cover, 327 fastener, 328 abutting column, 4 clamping assembly, 41 saw sleeve part, 411 saw sleeve, 412 buckle, 413 clamping groove, 42 clamping part, 421 mounting groove, 422 spring, 423 cylinder, 424 clamping block. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model and should not be construed as limiting the present utility model.

[0028] Embodiment 1

[0029] A preferred embodiment of a single-sided bar saw for facilitating saw blade replacement provided by the present utility model is as Figures 1-4 shown: A single-sided bar saw for facilitating saw blade replacement, comprising:

[0030] A tool holder 1, and a handle 2 is fixedly installed on the top of the tool holder 1;

[0031] A mounting assembly 3, and the mounting assembly 3 is fixedly installed inside the tool holder 1;

[0032] Among them, the mounting assembly 3 includes a limiting part 31 and a mounting part 32;

[0033] The limiting part 31 includes a bottom plate 311. The left side of the bottom plate 311 is fixedly installed with flexible columns I 312 at equal linear intervals. A positioning column 313 is fixedly installed inside the tool holder 1. A saw blade 314 is movably installed inside the tool holder 1. The bottom plate 311 is movably installed inside the tool holder 1. The right side of the saw blade 314 is in contact with the flexible columns I 312. The left end of the positioning column 313 penetrates through the saw blade 314 and extends to the outside of the saw blade 314. The positioning column 313 is movably installed with the saw blade 314. A threaded hole is opened inside the positioning column 313. Place the bottom plate 311 through the positioning column 313 inside the tool holder 1, and then pass the saw blade 314 through the positioning column 313 to contact the flexible columns I 312.

[0034] The installation part 32 includes a backing plate 321. The right side of the backing plate 321 is fixedly installed with flexible columns II 322 at equal linear intervals. A positioning hole 323 is opened inside the backing plate 321. A round hole 324 is opened inside the backing plate 321. A support column 325 is movably installed inside the round hole 324. The left end of the support column 325 is fixedly installed with a shell cover 326. A fastener 327 is fixedly installed inside the shell cover 326 by means of threads. Two abutting columns 328 are fixedly installed at both ends of the fastener 327. The backing plate 321 is movably installed inside the tool holder 1. The backing plate 321 is movably installed with the positioning column 313. The left end of the positioning column 313 penetrates through the positioning hole 323 and extends to the inside of the positioning hole 323. The flexible columns II 322 are in contact with the left side of the saw blade 314. The positioning hole 323 is adapted to the positioning column 313. The round hole 324 is adapted to the support column 325. The right side of the shell cover 326 is in contact with the left side of the backing plate 321. The shell cover 326 is fixedly installed with the positioning column 313 by means of the fastener 327 in a threaded manner. The right end of the abutting column 328 abuts against the left side of the shell cover 326. Place the backing plate 321 through the positioning column 313 so that the flexible columns II 322 abut against the saw blade 314, and then install the shell cover 326 inside the tool holder 1. The support column 325 fixedly installed with the shell cover 326 extends into the round hole 324. Fix the shell cover 326 and the positioning column 313 by means of the fastener 327. The abutting column 328 fixedly installed with the fastener 327 tightly abuts against the surface of the shell cover 326, making the installation of the saw blade 314 more stable.

[0035] Embodiment 2

[0036] On the basis of Embodiment 1, a preferred embodiment of a single-sided lever saw for facilitating the replacement of a saw blade provided by the present utility model is as Figures 1-4 shown: A clamping component 4, and the clamping component 4 is fixedly installed inside the tool holder 1;

[0037] Among them, the clamping component 4 includes a saw sleeve part 41 and a clamping part 42;

[0038] The saw sleeve part 41 includes a saw sleeve 411. A buckle 412 is fixedly installed on the back of the saw sleeve 411. A clamping groove 413 is formed inside the buckle 412. The saw sleeve 411 is sleeved with the saw blade 314, and the left end of the saw sleeve 411 is in contact with the right end of the tool holder 1.

[0039] The clamping part 42 includes an installation groove 421. A spring 422 is fixedly installed inside the installation groove 421. A cylinder 423 is sleeved inside the spring 422. A clamping block 424 is fixedly installed at the right end of the cylinder 423. The installation groove 421 is formed inside the tool holder 1. One end of the spring 422 is fixedly connected to the clamping block 424. The right end of the clamping block 424 sequentially penetrates through the tool holder 1 and the clamping groove 413, and the right end of the clamping block 424 extends into the inside of the clamping groove 413. A chamfer is provided at the left end of the clamping block 424. When the saw sleeve 411 and the saw blade 314 are sleeved, the clamping groove 413 formed inside the buckle 412 is clamped with the clamping block 424. Press the clamping block 424 by hand, and the spring 422 is compressed. Therefore, the saw sleeve 411 can be taken out. The chamfer of the clamping block 424 is provided to facilitate the movement of the clamping block 424 into the inside of the tool holder 1 when the buckle 412 slides from left to right, and then directly clamped with the clamping block 424 under the action of the spring 422.

[0040] During use, the bottom plate 311 is placed inside the tool holder 1 through the positioning column 313. Then the saw blade 314 is passed through the positioning column 313 and contacts the flexible column 1 312. The backing plate 321 is passed through the positioning column 313 so that the flexible column 2 322 abuts against the saw blade 314. Then the shell cover 326 is installed inside the tool holder 1. The support column 325 fixedly installed with the shell cover 326 extends into the circular hole 324. The shell cover 326 and the positioning column 313 are fixedly installed by using the fastener 327. The abutting column 328 fixedly installed with the fastener 327 tightly abuts against the surface of the shell cover 326, making the installation of the saw blade 314 more stable. The saw sleeve 411 and the saw blade 314 are sleeved, and the clamping groove 413 formed inside the buckle 412 is clamped with the clamping block 424. Press the clamping block 424 by hand, and the spring 422 is compressed. Therefore, the saw sleeve 411 can be taken out. The chamfer of the clamping block 424 is provided to facilitate the movement of the clamping block 424 into the inside of the tool holder 1 when the buckle 412 slides from left to right, and then directly clamped with the clamping block 424 under the action of the spring 422.

[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A single-sided pole saw that is easy to replace the saw blade, characterized in that: include: A knife seat (1), wherein a handle (2) is fixedly mounted on the top of the knife seat (1); An installation component (3), wherein the installation component (3) is fixedly installed inside the knife seat (1); Wherein, the installation component (3) comprises a limiting portion (31) and an installation portion (32); A clamping assembly (4), wherein the clamping assembly (4) is fixedly mounted inside the knife seat (1); Wherein, the clamping assembly (4) comprises a saw sleeve portion (41) and a clamping portion (42).

2. A single-sided pole saw for easy replacement of saw blades according to claim 1, characterized in that: The limiting part (31) includes a bottom plate (311), a flexible column (312) is linearly and equidistantly fixedly installed on the left side of the bottom plate (311), a positioning column (313) is fixedly installed inside the tool holder (1), and a saw blade (314) is movably installed inside the tool holder (1).

3. A single-sided pole saw for easy replacement of saw blades according to claim 2, characterized in that: The bottom plate (311) is movably mounted inside the blade holder (1); the right side of the saw blade (314) is in contact with the flexible column 1 (312); the left end of the positioning column (313) passes through the saw blade (314) and extends to the outside of the saw blade (314); the positioning column (313) is movably mounted on the saw blade (314); and a threaded hole is provided inside the positioning column (313).

4. The single-sided pole saw with easy replacement of saw blades according to claim 1, characterized in that: The installation part (32) includes a pad (321), a flexible column 2 (322) is linearly and equidistantly fixedly installed on the right side of the pad (321), a positioning hole (323) is opened inside the pad (321), a circular hole (324) is opened inside the pad (321), a support column (325) is movably installed inside the circular hole (324), a shell cover (326) is fixedly installed on the left end of the support column (325), a fastener (327) is fixedly installed inside the shell cover (326) by means of threads, and both ends of the fastener (327) are fixedly installed with abutments (328).

5. The single-sided pole saw for easy replacement of saw blades according to claim 4, characterized in that: The pad (321) is movably mounted inside the knife seat (1), and the pad (321) is movably mounted with the positioning column (313). The left end of the positioning column (313) passes through the positioning hole (323) and extends to the inside of the positioning hole (323). The second flexible column (322) contacts the left side of the saw blade (314). The positioning hole (323) and the positioning column (313) are matched with each other. The circular hole (324) and the support column (325) are matched with each other. The right side of the shell cover (326) contacts the left side of the pad (321). The shell cover (326) and the positioning column (313) are threadedly fixed and mounted by fasteners (327). The right end of the abutment column (328) abuts against the left side of the shell cover (326).

6. The single-sided pole saw with easy replacement of saw blades according to claim 1, characterized in that: The saw sleeve portion (41) comprises a saw sleeve (411), a buckle (412) is fixedly mounted on the back of the saw sleeve (411), a buckle (413) is provided inside the buckle (412), the saw sleeve (411) and the saw blade (314) are sleeved together, and the left end of the saw sleeve (411) contacts the right end of the blade seat (1).

7. The single-sided pole saw with easy replacement of saw blades according to claim 1, characterized in that: The clamping part (42) comprises a mounting groove (421), a spring (422) is fixedly mounted inside the mounting groove (421), a cylinder (423) is sleeved inside the spring (422), and a clamping block (424) is fixedly mounted on the right end of the cylinder (423).

8. The single-sided pole saw for easy replacement of saw blades according to claim 7, characterized in that: The mounting groove (421) is provided inside the knife seat (1); one end of the spring (422) is fixedly connected to the clamping block (424); the right end of the clamping block (424) passes through the knife seat (1) and the clamping groove (413) in sequence; and the right end of the clamping block (424) extends to the inside of the clamping groove (413); and the left end of the clamping block (424) is provided with a chamfer.

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