Adjustable aluminum protective cover for sliding table saw

Abstract

The utility model discloses an adjustable sliding table saw aluminum protective cover which comprises a lifting driving device, the lifting driving device is connected with a connecting plate in a driving mode, the bottom end of the connecting plate is fixedly connected with a protective shell, and a polishing mechanism is arranged on the inner side of the protective shell. By arranging the lifting driving device, the protective shell and the connecting plate, the range of covering the saw blade by the protective shell can be adjusted according to the thickness of wood, excessive exposure of the saw blade is avoided, and the danger that fingers are cut is reduced; and through the arranged grinding mechanism, two grinding blocks are adjusted to be attached to the two sides of the saw blade, when the saw blade rotates, all-directional grinding can be conducted on the saw blade, and the grinding quality and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sliding table saws, in particular to an adjustable aluminum protective cover for a sliding table saw. Background Art

[0002] A sliding table saw is a device used for sawing wood. The sliding table saw mainly includes a fixed worktable, a mobile worktable adjacent to the fixed worktable and capable of sliding relative to the fixed worktable, a backrest arranged on the mobile worktable, a saw blade extending from the joint between the fixed worktable and the mobile worktable, and a driving device for driving the saw blade to rotate.

[0003] When workers use a manual sliding table saw during the board cutting process, their fingers are always exposed to the saw blade and are in danger of being cut, so they need a protective cover to protect them.

[0004] In the related art, the current protective cover is usually fixedly installed, which is not easy to adjust and thus cannot adapt to wood of different thicknesses. When the thickness of the wood is small, the saw wheel will be exposed, posing a risk of finger cuts, and the saw blade will become dull after long-term use. When the saw blade is manually sharpened, the saw blade needs to be disassembled and assembled, which is cumbersome and has low grinding efficiency. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide an adjustable aluminum protective cover for a sliding table saw. By means of a lifting drive device, a protective shell and a connecting plate, the range of the saw blade covered by the protective shell can be adjusted according to the thickness of the wood, thereby avoiding excessive exposure of the saw blade and reducing the risk of finger cuts; by means of a grinding mechanism, the two grinding blocks are adjusted to fit the two sides of the saw blade, and when the saw blade rotates, the saw blade can be grinded in all directions, thereby improving the quality and efficiency of grinding.

[0006] One of the purposes of the utility model is achieved by the following technical solution: an adjustable aluminum protective cover for a sliding table saw, comprising: a lifting drive device, the lifting drive device is drivingly connected to a connecting plate, the bottom end of the connecting plate is fixedly connected to a protective shell, and a grinding mechanism is provided on the inner side of the protective shell;

[0007] The grinding mechanism includes two sliding rods and two fixed blocks symmetrically arranged on the left and right. A positive and negative threaded rod is rotatably connected between the opposite surfaces of the two fixed blocks. One end of the positive and negative threaded rod passes through the side wall of the fixed block and is fixedly connected to a crank. The outer wall of the positive and negative threaded rod is threadedly connected to two displacement plates. The outer walls of the two sliding rods pass through the side walls of the two displacement plates. The opposite surfaces of the two displacement plates are fixedly connected to grinding blocks. Through the provided lifting drive device, protective shell, and connecting plate, the range of the protective shell covering the saw blade can be adjusted according to the thickness of the wood to avoid excessive exposure of the saw blade and reduce the risk of finger cuts; through the provided grinding mechanism, the two grinding blocks are adjusted to fit the two sides of the saw blade. When the saw blade rotates, the saw blade can be fully ground, improving the quality and efficiency of grinding.

[0008] According to the adjustable sliding table saw aluminum protective cover, the bottom ends of the fixed blocks are fixedly connected to the upper surface of the connecting plate.

[0009] According to the adjustable aluminum protective cover of the sliding table saw, an opening is provided at the top of the protective shell, and the two ends of the sliding rod are respectively fixedly connected to the left and right inner walls of the opening.

[0010] Provided is an adjustable aluminum protective cover for a sliding table saw, wherein the lifting drive device comprises a motor, the outer wall of the motor is fixedly connected to a protective shell, the output end of the motor is fixedly connected to a screw, and the upper surface of the protective shell is fixedly connected to a sliding rod.

[0011] According to the adjustable aluminum protective cover for a sliding table saw, the outer wall of the screw rod is threadedly connected to the top end of the connecting plate.

[0012] According to the adjustable aluminum protective cover of the sliding table saw, the top end of the sliding rod 1 penetrates the top outer wall of the connecting plate.

[0013] According to the adjustable aluminum protective cover of the sliding table saw, a stop block is fixedly connected to the top end of the screw rod.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 A three-dimensional diagram of an adjustable aluminum protective cover for a sliding table saw according to the utility model;

[0017] Figure 2 This is a structural diagram of a lifting drive device for an adjustable aluminum protective cover of a sliding table saw according to the utility model;

[0018] Figure 3 A partial three-dimensional view of an adjustable aluminum protective cover for a sliding table saw according to the utility model Figure 1 ;

[0019] Figure 4 A partial three-dimensional view of an adjustable aluminum protective cover for a sliding table saw according to the utility model Figure 2 .

[0020] Legend:

[0021] 1. Lifting drive device; 2. Protective shell; 3. Grinding mechanism; 4. Connecting plate; 101. Motor; 102. Protective shell; 103. Screw rod; 104. Slide bar 1; 201. Opening; 301. Fixed block; 302. Positive and negative threaded rod; 303. Crank handle; 304. Slide bar 2; 305. Displacement plate; 306. Grinding block. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is an adjustable aluminum protective cover for a sliding table saw, which comprises: a lifting drive device 1, the lifting drive device 1 is drivingly connected to a connecting plate 4, the bottom end of the connecting plate 4 is fixedly connected to a protective shell 2, and a grinding mechanism 3 is provided on the inner side of the protective shell 2;

[0024] The grinding mechanism 3 includes a second sliding rod 304 and two fixed blocks 301 symmetrically arranged on the left and right. The bottom ends of the fixed blocks 301 are fixedly connected to the upper surface of the connecting plate 4. A positive and negative threaded rod 302 is rotatably connected between the opposite surfaces of the two fixed blocks 301. One end of the positive and negative threaded rod 302 penetrates the side wall of the fixed block 301 and is fixedly connected to a crank 303. The outer wall of the positive and negative threaded rod 302 is connected to two displacement plates 305 through the through-thread. The outer wall of the second sliding rod 304 penetrates the side walls of the two displacement plates 305. The opposite surfaces of the two displacement plates 305 are fixedly connected with grinding blocks 306. The top of the protective shell 2 is provided with an opening 201, and the two ends of the second sliding rod 304 are fixedly connected to the left and right inner walls of the opening 201 respectively.

[0025] The lifting drive device 1 includes a motor 101, the outer wall of the motor 101 is fixedly connected to a protective shell 102, the output end of the motor 101 is fixedly connected to a screw 103, the top of the screw 103 is fixedly connected to a block, the outer wall of the screw 103 is threadedly connected to the top of the connecting plate 4, the upper surface of the protective shell 102 is fixedly connected to a slide rod 104, and the top of the slide rod 104 passes through the outer wall of the top of the connecting plate 4. By means of the provided lifting drive device 1, protective shell 2 and connecting plate 4, when it is necessary to adjust the exposed size of the saw blade according to the thickness of the wood, the motor 101 is started to drive the screw rod 103 to rotate, and the slide bar 104 is cooperated to drive the connecting plate 4 and the protective shell 2 to rise and fall, and the range of the protective shell 2 covering the saw blade is adjusted according to the thickness of the wood to avoid excessive exposure of the saw blade and reduce the risk of finger cuts; by means of the provided grinding mechanism 3, when grinding the saw blade, the crank 303 is turned to drive the forward and reverse threaded rods 302 to rotate, and the slide bar 2 304 is cooperated to drive the two displacement plates 305 to move towards each other until the two grinding blocks 306 are in contact with the two sides of the saw blade, and in the next step, water is injected into the place where the grinding block 306 and the saw blade are connected through the opening 201, and finally the saw blade is driven to rotate through the coupling, and all-round grinding can be performed without disassembling the saw blade, thereby improving the quality and efficiency of grinding.

[0026] Working principle: When in use, the lifting drive device 1 is installed on the workbench, and the protective shell 2 corresponds to the position of the saw blade. When the exposed size of the saw blade needs to be adjusted according to the thickness of the wood, the motor 101 is started to drive the screw rod 103 to rotate, and the sliding rod 104 is coordinated to drive the connecting plate 4 and the protective shell 2 to rise and fall. The range of the protective shell 2 covering the saw blade is adjusted according to the thickness of the wood to avoid excessive exposure of the saw blade and reduce the risk of finger cuts;

[0027] When grinding the saw blade, turn the crank 303 to drive the forward and reverse threaded rods 302 to rotate, and cooperate with the second slide bar 304 to drive the two displacement plates 305 to move towards each other until the two grinding blocks 306 fit the two sides of the saw blade. Next, inject water into the grinding block 306 and the saw blade through the opening 201, and finally drive the saw blade to rotate through the coupling. All-round grinding can be performed without disassembling the saw blade, thereby improving the quality and efficiency of grinding.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An adjustable aluminum protective cover for a sliding table saw, characterized in that: include: A lifting drive device (1), wherein the lifting drive device (1) is drivingly connected to a connecting plate (4), a bottom end of the connecting plate (4) is fixedly connected to a protective shell (2), and a grinding mechanism (3) is provided on the inner side of the protective shell (2); The grinding mechanism (3) comprises a second sliding rod (304) and two fixed blocks (301) symmetrically arranged on the left and right. A positive and negative threaded rod (302) is rotatably connected between the opposite surfaces of the two fixed blocks (301). One end of the positive and negative threaded rod (302) passes through the side wall of the fixed block (301) and is fixedly connected to a crank (303). The outer wall of the positive and negative threaded rod (302) is connected to two displacement plates (305) through a through thread. The outer wall of the second sliding rod (304) passes through the side walls of the two displacement plates (305). The opposite surfaces of the two displacement plates (305) are fixedly connected to a grinding block (306).

2. The adjustable sliding table saw aluminum protective cover according to claim 1, characterized in that: The bottom ends of the fixing blocks (301) are fixedly connected to the upper surface of the connecting plate (4).

3. The adjustable sliding table saw aluminum protective cover according to claim 1, characterized in that: The top of the protective shell (2) is provided with an opening (201), and the two ends of the second sliding rod (304) are respectively fixedly connected to the left and right inner walls of the opening (201).

4. The adjustable sliding table saw aluminum protective cover according to claim 1, characterized in that: The lifting drive device (1) comprises a motor (101), the outer wall of the motor (101) is fixedly connected to a protective shell (102), the output end of the motor (101) is fixedly connected to a screw rod (103), and the upper surface of the protective shell (102) is fixedly connected to a sliding rod (104).

5. The adjustable sliding table saw aluminum protective cover according to claim 4, characterized in that: The outer wall of the screw rod (103) is threadedly connected to the top end of the connecting plate (4).

6. The adjustable sliding table saw aluminum protective cover according to claim 4, characterized in that: The top end of the sliding rod 1 (104) passes through the top outer wall of the connecting plate (4).

7. The adjustable sliding table saw aluminum protective cover according to claim 4, characterized in that: A stopper is fixedly connected to the top end of the screw rod (103).

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