Saw blade adjusting mechanism for sliding table saw

Abstract

The utility model provides a saw blade adjusting mechanism for a sliding table saw, and relates to the technical field of sliding table saws, the saw blade adjusting mechanism comprises a machine body, a table saw blade and a motor used for driving the table saw blade, the saw blade adjusting mechanism is characterized in that a supporting frame is arranged in the middle of the inner side of the machine body, and the table saw blade is movably installed in the middle of the supporting frame through a rotating shaft; a lifting assembly is arranged in the middle of the bottom end of the supporting frame and used for conducting lifting adjustment on the height of the bench saw blade, the lifting assembly comprises a lifting column and a ball screw, the lifting column is fixedly installed in the middle of the bottom end of the supporting frame, and the ball screw is located in the middle of the bottom end of the lifting column and is in transmission connection with the lifting column. According to the adjusting structure, when the height of the bench saw blade is adjusted, the bench saw blade does not need to be detached, a new transmission belt does not need to be replaced, rapid lifting adjustment and use can be achieved, the lifting adjustment efficiency of the bench saw blade is improved, and the effects of saving time and labor are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to push bench saw technical field, concretely is a saw blade adjusting mechanism for push bench saw. BACKGROUND

[0002] Push bench saw is a kind of equipment for wood processing, push bench saw is balanced or static balanced, generally does not need foundation, is placed on the even ground and can be added.Processing operation, workpiece is placed on the mobile workbench, and mobile workbench is pushed manually, so that workpiece realizes feed movement.Operation is very convenient, and it is flexible to operate, and safety should be noted at all times when using, prevent the occurrence of unexpected situation, and the main part of push bench saw includes bed, workbench, longitudinal section cross guide plate, main saw, line saw, transmission and other components, is widely used in furniture manufacturing, building decoration, woodworking processing and other industries, and is one of indispensable equipment in wood processing.

[0003] Traditional push bench saw blade is fixed by fixed installation mode, and the height of saw blade is inconvenient to be adjusted, so there is limitation in use.

[0004] To solve the above problems, a saw blade adjusting mechanism for push bench saw is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0005] To solve the problems in the background art, the utility model provides a saw blade adjusting mechanism for push bench saw.

[0006] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0007] A saw blade adjusting mechanism for push bench saw, including machine body, bench saw blade and motor for driving bench saw blade, the inner side middle part of machine body is provided with support frame, and the bench saw blade is movably installed in the middle part of support frame through rotating shaft;The bottom end middle part of support frame is provided with lifting assembly, and the lifting assembly is used for lifting and adjusting the height of bench saw blade, and the lifting assembly includes lifting column and ball screw, the lifting column is fixedly installed in the bottom end middle part of support frame, and the ball screw is located in the bottom end middle part of lifting column, and is in transmission connection with lifting column;

[0008] The bottom end middle part of ball screw is provided with transmission bevel gear, the bottom end left side of transmission bevel gear is in transmission connection with main bevel gear, the middle part of main bevel gear is provided with adjusting shaft, and the adjusting shaft is movably installed in the inner side middle part of machine body;

[0009] The belt tensioning assembly comprises two groups of guide discs, the middle part of the right end of the guide discs at both ends is provided with a tensioning disc, the tensioning disc is movably installed at the inner right end of the machine body, the middle part of the right end of the tensioning disc is provided with an adjusting screw rod, and the adjusting screw rod is used for adjusting the installation position of the tensioning disc in the horizontal direction.

[0010] Preferably, the inner middle part of the machine body is provided with a support plate, both groups of the guide discs are movably installed at the right side of the support plate, the middle part of the right end of the support plate is provided with a limiting groove, the inner middle part of the limiting groove is movably installed with a limiting sliding block, the tensioning disc is movably installed at the middle part of the limiting sliding block, and the tail end of the adjusting screw rod is movably connected with the limiting sliding block.

[0011] Preferably, the middle part of the both ends of the support frame is slidably installed with a limiting guide rod, and the limiting guide rods are installed at the both sides of the bottom end of the machine body.

[0012] Preferably, the motor is fixedly installed at the inner bottom of the machine body, the output end of the motor is installed with a main transmission belt disc, the middle part of the table saw blade is installed with a secondary transmission belt disc, and the main transmission belt disc, the secondary transmission belt disc, the guide disc and the tensioning disc are transmissionally connected through a transmission belt.

[0013] Preferably, the inner middle part of the machine body is provided with a driving box, and the transmission bevel gear and the main bevel gear are movably installed at the inner middle part of the driving box.

[0014] Preferably, the head end of the adjusting screw rod and the adjusting screw rod are provided with a hand wheel.

[0015] Compared with the prior art, the belt tensioning assembly has the advantages that:

[0016] In the scheme, the lifting assembly and the belt tensioning assembly are arranged, so that the height of the table saw blade can be quickly adjusted and used by the user, the specific adjusting steps are that the transmission belt is loosened through the belt tensioning assembly, then the table saw blade is flexibly adjusted through the lifting assembly, when the height of the table saw blade is adjusted, the transmission belt is adjusted through the belt tensioning assembly, the table saw blade can be stably driven to rotate, the adjusting structure of the utility model application can realize quick lifting adjustment and use without disassembling the table saw blade and replacing a new transmission belt when the height of the table saw blade is adjusted, the efficiency of lifting adjustment of the table saw blade is improved, and the time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2The side sectional view after removing the table saw blade of the utility model is shown in the figure.

[0019] Figure 3 The structure schematic view of the lifting assembly in the utility model is shown in the figure.

[0020] Figure 4 The structure schematic view of the belt tensioning assembly in the utility model is shown in the figure.

[0021] In the figure: 1, machine body; 2, support frame; 3, limiting guide rod; 4, lifting column; 5, ball screw; 6, drive box; 7, transmission bevel gear; 8, main bevel gear; 9, adjusting shaft; 10, rotating shaft; 11, table saw blade; 12, auxiliary transmission belt disc; 13, motor; 14, main transmission belt disc; 15, support plate; 16, guide disc; 17, tensioning disc; 18, limiting groove; 19, limiting sliding block; 20, adjusting screw rod. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiment of the application is to solve the problems in the above background art, and the general idea is as follows:

[0023] Embodiment: refer to Figure 1 - Figure 4 As shown in the figure, the saw blade adjusting mechanism for the sliding table saw of the embodiment comprises a machine body 1, a table saw blade 11 and a motor 13 for driving the table saw blade 11, the inner middle part of the machine body 1 is provided with a support frame 2, the table saw blade 11 is movably installed at the middle part of the support frame 2 through a rotating shaft 10;

[0024] The bottom middle part of the support frame 2 is provided with a lifting assembly, the lifting assembly is used for lifting and adjusting the height of the table saw blade 11, and the lifting assembly comprises a lifting column 4 and a ball screw 5, the lifting column 4 is fixedly installed at the bottom middle part of the support frame 2, and the ball screw 5 is located at the bottom middle part of the lifting column 4 and is in transmission connection with the lifting column 4;

[0025] The bottom middle part of the ball screw 5 is provided with a transmission bevel gear 7, the bottom left side of the transmission bevel gear 7 is in transmission connection with a main bevel gear 8, the middle part of the main bevel gear 8 is provided with an adjusting shaft 9, the adjusting shaft 9 is movably installed at the inner middle part of the machine body 1, the inner middle part of the machine body 1 is provided with a drive box 6, and the transmission bevel gear 7 and the main bevel gear 8 are movably installed at the inner middle part of the drive box 6.

[0026] The belt tensioning assembly comprises two guide discs 16, the right end middle part of the two end guide discs 16 is provided with a tensioning disc 17, the tensioning disc 17 is movably installed at the inner right end of the machine body 1, the right end middle part of the tensioning disc 17 is provided with an adjusting screw rod 20, and the adjusting screw rod 20 is used for horizontally sliding adjusting the installation position of the tensioning disc 17.

[0027] The middle part of the inner side of the body 1 is provided with a support plate 15, and the two groups of guide discs 16 are movably installed on the right side of the support plate 15; the right end of the middle part of the support plate 15 is provided with a limiting groove 18, the middle part of the inner side of the limiting groove 18 is movably installed with a limiting sliding block 19, and the tensioning disc 17 is movably installed on the middle part of the limiting sliding block 19; and the tail end of the adjusting screw rod 20 is movably connected with the limiting sliding block 19.

[0028] In some examples, the middle part of the two ends of the support frame 2 is slidably installed with a limiting guide rod 3, and the limiting guide rod 3 is installed on the bottom end of the body 1.

[0029] In some examples, the motor 13 is fixedly installed on the inner bottom of the body 1, the output end of the motor 13 is installed with a main transmission belt disc 14, the middle part of the table saw blade 11 is installed with a secondary transmission belt disc 12, and the main transmission belt disc 14, the secondary transmission belt disc 12, the guide disc 16 and the tensioning disc 17 are transmissionally connected through a transmission belt.

[0030] In some examples, the adjusting shaft 9 and the head end of the adjusting screw rod 20 are provided with hand wheels.

[0031] The working principle of the utility model is:

[0032] When the height of the table saw blade 11 needs to be adjusted, the transmission belt needs to be loosened first, and the main operation is that the user drives the limiting sliding block 19 to slide in the limiting groove 18 in the horizontal direction by rotating the adjusting screw rod 20, so that the transmission belt is loosened when the limiting sliding block 19 slides to the left side.

[0033] At this time, the user can drive the main bevel gear 8 to rotate by rotating the adjusting shaft 9, so as to drive the transmission bevel gear 7 to rotate, and the ball screw 5 can be synchronously driven to rotate through the transmission bevel gear 7, so that the lifting column 4 drives the support frame 2 to vertically lift under the action of transmission, so as to realize the height adjustment of the table saw blade 11, and the table saw blade 11 needs to be higher than the thickness of the plate to be cut in the adjustment process.

[0034] And, by arranging the limiting guide rod 3 on the upper end of the support frame 2, the lifting sliding track of the support frame 2 can be limited, and the stability of the support frame 2 during lifting can be improved.

[0035] When the height of the table saw blade 11 is adjusted, the transmission belt is tightened again by rotating the adjusting screw rod 20 to drive the limiting sliding block 19 to slide to the right side, so as to avoid that the transmission belt is too loose.

[0036] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A saw blade adjustment mechanism for a table saw, comprising a machine body (1), a table saw blade (11) and a motor (13) for driving the table saw blade (11), characterized in that, The inner middle part of the machine body (1) is provided with a support frame (2), and the table saw blade (11) is movably installed in the middle part of the support frame (2) through a rotating shaft (10); The bottom middle part of the support frame (2) is provided with a lifting assembly, the lifting assembly is used for lifting and adjusting the height of the table saw blade (11), and the lifting assembly comprises a lifting column (4) and a ball screw (5); the lifting column (4) is fixedly installed at the bottom middle part of the support frame (2); and the ball screw (5) is located at the bottom middle part of the lifting column (4) and is in transmission connection with the lifting column (4). The bottom middle part of the ball screw (5) is provided with a transmission bevel gear (7), the left end of the bottom of the transmission bevel gear (7) is in transmission connection with a main bevel gear (8), the middle part of the main bevel gear (8) is provided with an adjusting shaft (9), and the adjusting shaft (9) is movably installed at the inner middle part of the machine body (1). The belt tensioning assembly comprises two groups of guide discs (16), the right middle part of the right end of the guide disc (16) is provided with a tensioning disc (17), the tensioning disc (17) is movably installed at the inner right end of the machine body (1), the right middle part of the right end of the tensioning disc (17) is provided with an adjusting screw rod (20), and the adjusting screw rod (20) is used for horizontally slidingly adjusting the installation position of the tensioning disc (17).

2. The saw blade adjustment mechanism for a table saw of claim 1, wherein, The inner middle part of the machine body (1) is provided with a support plate (15), the two groups of guide discs (16) are movably installed at the right side of the support plate (15), the right middle part of the support plate (15) is provided with a limiting groove (18), the inner middle part of the limiting groove (18) is movably installed with a limiting sliding block (19), the tensioning disc (17) is movably installed at the middle part of the limiting sliding block (19), and the tail end of the adjusting screw rod (20) is movably connected with the limiting sliding block (19).

3. The saw blade adjustment mechanism for a sliding table saw according to claim 2, wherein The middle part of the support frame (2) is movably installed with a limiting guide rod (3), and the limiting guide rod (3) is installed at the bottom of the machine body (1) on both sides.

4. The saw blade adjustment mechanism for a sliding table saw according to claim 3, wherein The motor (13) is fixedly installed at the inner bottom of the machine body (1), the output end of the motor (13) is provided with a main transmission belt disc (14), the middle part of the table saw blade (11) is provided with a secondary transmission belt disc (12), and the main transmission belt disc (14), the secondary transmission belt disc (12), the guide disc (16) and the tensioning disc (17) are in transmission connection through a transmission belt.

5. The saw blade adjustment mechanism for a table saw of claim 4, wherein, The inner middle part of the machine body (1) is provided with a drive box (6), and the transmission bevel gear (7) and the main bevel gear (8) are movably installed at the inner middle part of the drive box (6).

6. A blade adjustment mechanism for a table saw as defined in claim 5, wherein, The head end of the adjusting shaft (9) and the adjusting screw rod (20) is provided with a hand wheel.

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