Small circular sawing machine

Abstract

The utility model provides a small circular sawing machine, and belongs to the technical field of sawing machines. The device comprises a box body and a saw blade base arranged in the box body, a saw blade assembly is arranged on the saw blade base, a left scale plate and a right scale plate are arranged on the two sides of the top of the box body respectively, a saw blade in the saw blade assembly is located between the left scale plate and the right scale plate, and the left scale plate is connected with the box body in a sliding mode. A saw blade inclination adjusting mechanism is arranged between the saw blade base and the box body, the left scale plate and the right scale plate are provided with a left positioning plate and a right positioning plate respectively, the left positioning plate and the left scale plate are connected through a positioning plate sliding structure, and the left positioning plate is further provided with a workpiece clamping mechanism. The workpiece can be always kept at the correct position in the cutting machining process, machining errors caused by displacement or vibration of the workpiece are avoided, and the machining precision is high; the inclination of the saw blade can be flexibly and conveniently adjusted, and the cutting efficiency can be effectively improved; the overall structure is compact and reasonable, occupied space is small, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of sawing machines and relates to a small circular saw machine. Background Art

[0002] During workpiece machining, cutting is often necessary. Circular saws are the most common cutting equipment on the market. However, these machines typically require a large footprint and are expensive. Furthermore, existing circular saws lack flexible adjustment of the blade's tilt, making it difficult to operate when cutting at an angle, resulting in inconvenient cutting. Furthermore, workpieces can easily shift or vibrate during the cutting process, leading to machining errors. Utility Model Content

[0003] The purpose of this utility model is to provide a small circular saw machine in view of the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A small circular saw machine includes a box body and a saw blade base arranged in the box body, a saw blade assembly is provided on the saw blade base, a left scale plate and a right scale plate are respectively provided on both sides of the top of the box body, the saw blade in the saw blade assembly is located between the left scale plate and the right scale plate, the left scale plate is slidingly connected to the box body, a saw blade inclination adjustment mechanism is provided between the saw blade base and the box body, a left positioning plate and a right positioning plate are respectively provided on the left scale plate and the right scale plate, the left positioning plate is connected to the left scale plate through a positioning plate sliding structure, and a workpiece clamping mechanism is also provided on the left positioning plate.

[0006] The left positioning plate and the right positioning plate play a role in positioning the workpiece. The workpiece clamping mechanism on the left positioning plate can clamp the workpiece to ensure that the workpiece always maintains the correct position during the cutting process, avoiding processing errors caused by workpiece displacement or vibration, thereby improving processing accuracy, ensuring the smooth progress of the sawing process, and improving processing efficiency. The saw blade inclination adjustment mechanism can adjust the inclination of the saw blade. The inclination of the saw blade is easy to adjust, which can effectively improve cutting efficiency.

[0007] In the above-mentioned small circular saw machine, the workpiece clamping mechanism includes a clamping shift block and a clamping plate arranged on one side of the clamping shift block, the clamping shift block can be shifted on the left positioning plate along the length direction of the left positioning plate, the side wall of the clamping shift block is provided with a side wall guide slider distributed along the length direction of the side wall, the side wall of the clamping plate is fixedly connected with a clamping sliding plate, the bottom end of the clamping sliding plate is provided with a bottom guide slide groove that slides with the side wall guide slider, the clamping sliding plate is penetrated by a clamping locking groove distributed along the length direction of the clamping sliding plate, the clamping locking groove is penetrated by a locking bolt connected to the side wall guide slider, and the side wall guide slider is provided with a plurality of locking screw holes distributed along the length direction of the side wall guide slider.

[0008] The clamping sliding plate can slide on the side wall guide slider on the side wall of the clamping shift block through the bottom guide slot at the bottom end, so as to realize vertical movement of the clamping plate on the side wall of the clamping shift block to clamp the workpiece. The clamping plate can flexibly move vertically on the side wall of the clamping shift block to flexibly adapt to workpieces of different thicknesses. It has strong applicability. After the clamping plate clamps the workpiece, the locking bolt passed through the clamping locking groove is screwed into the corresponding locking screw hole on the side wall guide slider to fix the clamping sliding plate on the side wall guide slider to fix the clamping plate. It can ensure that the clamping plate clamps the workpiece and the workpiece is firmly fixed. When the workpiece needs to move along the length direction of the left positioning plate for cutting, it can follow the clamping shift block to shift on the left positioning plate, ensuring that the workpiece always maintains correct movement during the cutting process.

[0009] In the above-mentioned small circular saw machine, the positioning plate sliding structure includes positioning plate sliders respectively arranged on both sides of the bottom end of the left positioning plate, and the two corresponding sides of the left scale plate are respectively provided with positioning plate slide grooves distributed along the length direction of the box body and slidingly matched with the positioning plate sliders. A left positioning rod is passed through the left positioning plate, and a number of left positioning holes are evenly distributed on the left scale plate that are compatible with the left positioning rod. A sliding block is provided at the bottom end of the clamping shift block, and a shift block slide groove is provided on the left positioning plate distributed along the length direction of the left positioning plate and slidingly matched with the sliding block.

[0010] The positioning plate slider at the bottom end of the left positioning plate can slide in the positioning plate slot on the left scale plate to adjust the horizontal position of the left positioning plate on the left scale plate. When the position of the left positioning plate is adjusted, the left positioning rod passing through the left positioning plate is inserted into the corresponding left positioning hole on the left scale plate to fix the left positioning plate. The left positioning plate is easy to adjust and firmly fixed. The clamping shift block can slide in the shift block slot on the left positioning plate through the sliding block at the bottom end. The sliding cooperation between the sliding block and the shift block slot can limit and guide the sliding of the clamping shift block, avoid the clamping shift block from shifting, and ensure that the workpiece can be stably shifted following the clamping shift block.

[0011] In the above-mentioned small circular saw machine, the saw blade inclination adjustment mechanism includes adjustment plates respectively arranged on both sides of the saw blade base, and adjustment fixed blocks are respectively provided on the corresponding two sides of the box body, and an arc adjustment groove is provided on the adjustment fixed block. An adjustment sliding block is provided on the upper end of the adjustment plate near the adjustment fixed block side, and an arc slider that slides with the arc adjustment groove is provided on the adjustment sliding block. An adjustment fixing structure is provided between the lower end of the adjustment plate and the box body.

[0012] The adjusting sliding block on the adjusting plate can rotate along the arc adjusting groove in the arc adjusting groove on the adjusting fixed block through the arc slider to adjust the inclination of the saw blade base for adjusting the inclination of the saw blade. The inclination of the saw blade is easy to adjust. When the inclination of the saw blade base is adjusted, the lower end of the adjusting plate is fixed to the box through the adjusting fixing structure at the lower end of the adjusting plate. After the inclination is adjusted, the saw blade base is firmly fixed.

[0013] In the above-mentioned small circular saw machine, the adjustment and fixing structure includes a fixed block arranged at the lower end of the adjustment plate, a group of adjustment positioning holes distributed along an arc shape are penetrated on the side wall of the corresponding side of the box body, and a positioning column is penetrated on the fixed block and arranged through the adjustment plate, and the positioning column is connected to the fixed block through the adjustment positioning hole.

[0014] When the inclination of the adjustment plate is adjusted, the positioning columns that are sequentially arranged on the lower end of the adjustment plate and the fixed block are inserted into the corresponding adjustment positioning holes on the box body to fix the lower end of the adjustment plate. The fixation of the adjustment plate is firm and reliable, and the fixing operation is convenient.

[0015] In the above-mentioned small circular saw machine, the saw blade base includes an upper base frame and a lower base frame, the saw blade assembly includes a fixed shaft passing through the upper base frame, the end of the fixed shaft is sleeved with a saw blade, and the other end of the fixed shaft is sleeved with a driven wheel, the side wall of the upper base frame is connected to the saw blade driver through a mounting bracket, the output end of the saw blade driver is sleeved with a driving wheel, and the driving wheel and the driven wheel are connected by a transmission belt.

[0016] The operation of the saw blade driver drives the driving wheel to rotate and synchronously drives the driven wheel to rotate through the transmission belt. The rotation of the driven wheel can drive the saw blade to rotate through the fixed shaft for cutting.

[0017] In the above-mentioned small circular saw machine, the side wall of the adjustment plate near the upper base frame is provided with a base slide rail distributed along the length direction of the adjustment plate, the side wall of the upper base frame is provided with a base slider slidingly matched with the base slide rail, the lower base frame is fixedly connected to the base slide rail, the lower base frame is symmetrically penetrated with guide columns, the bottom end of the upper base frame is provided with a guide column hole adapted to the guide column, the upper and lower base frames are respectively provided with corresponding spring mounting grooves, the spring mounting groove is provided with a guide spring sleeved on the guide column, and a limit column is also provided between the upper and lower base frames.

[0018] During the saw blade cutting process, the upper base frame can slide up and down on the base frame slide rail through the base frame slider on the side wall. The guide spring between the upper base frame and the lower base frame has a buffering and shock-absorbing effect on the upper base frame, which can reduce the impact and vibration of the saw blade during the cutting process and ensure the cutting quality. The limit column between the upper base frame and the lower base frame has a limiting effect on the downward movement of the upper base frame.

[0019] In the above-mentioned small circular saw machine, the left scale plate is connected to the box body through a scale plate sliding structure, and a sliding drive component is also provided between the left scale plate and the box body, which can drive the left scale plate to slide along the length direction of the box body so that the left scale plate moves away from or close to the right scale plate.

[0020] The left scale plate is slidably connected to the box body through a scale plate sliding structure. The sliding drive assembly between the left scale plate and the box body can drive the left scale plate to slide along the length direction of the box body so that the left scale plate moves away from or close to the right scale plate. The sliding adjustment of the left scale plate is convenient.

[0021] In the above-mentioned small circular saw machine, the scale plate sliding structure includes sliding seats respectively arranged on the inner side walls of the two length sides of the box body, and the sliding seats are provided with scale plate slide rails distributed along the length direction of the box body. The bottom of the left scale plate is provided with a connecting base plate, and the bottom end of the connecting base plate is located on both sides and is respectively provided with scale plate sliders that slide with the scale plate slide rails.

[0022] The connecting base plate at the bottom of the left scale plate can slide on the scale plate slide rail on the sliding seat through the scale plate slider at the bottom. The sliding cooperation between the scale plate slide rail and the scale plate slider guides the sliding of the left scale plate, ensuring that the left scale plate will not shift and achieves stable sliding adjustment.

[0023] In the above-mentioned small circular saw machine, the sliding drive assembly includes a driving seat arranged at the bottom end of the connecting base plate and distributed along the length direction of the box body, the driving seat is provided with a driven rack distributed along the length direction of the driving seat, the tooth end of the driven rack is arranged vertically downward, the box body is provided with a driving gear meshing with the driven rack, the inner wall of the box body is provided with a mounting frame, the mounting frame is provided with a positioning driver, and the output end of the positioning driver is connected to the driving gear.

[0024] The operation of the positioning driver can drive the driving gear to rotate forward or reverse. The forward and reverse rotation of the driving gear can drive the left scale plate to slide back and forth along the length direction of the box on the sliding seat through the meshing transmission between the driven rack. The outward sliding of the left scale plate can increase the distance between the left scale plate and the right scale plate, which plays a role in making way for the tilted saw blade. The sliding adjustment of the left scale plate is convenient, which is convenient for internal maintenance of the machine.

[0025] Compared with existing technologies, the advantages of this utility model are: 1. The workpiece is always kept in the correct position during the cutting process, avoiding machining errors caused by workpiece displacement or vibration, and achieving high machining accuracy. 2. The saw blade's inclination can be flexibly adjusted, making adjustment convenient and effectively improving cutting efficiency. 3. The overall structure is compact and reasonable, taking up little space and being easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a top view provided by the utility model;

[0027] Figure 2 It is a schematic diagram of the internal structure provided by the utility model;

[0028] Figure 3 is a cross-sectional view of the left positioning plate;

[0029] Figure 4 It is a cross-sectional view of the workpiece clamping mechanism;

[0030] Figure 5 It is a structural diagram of the positioning plate sliding structure;

[0031] Figure 6 It is a structural diagram of the saw blade assembly;

[0032] Figure 7 It is a structural diagram of the bottom end of the upper base frame;

[0033] Figure 8 It is a structural diagram of the sliding drive component.

[0034] In the figure, box 1, saw blade base 2, saw blade assembly 3, left scale plate 4, right scale plate 5, saw blade 6, saw blade inclination adjustment mechanism 7, left positioning plate 8, right positioning plate 9, positioning plate sliding structure 10, workpiece clamping mechanism 11, right positioning rod 12, clamping shift block 13, clamping plate 14, side wall guide slider 15, clamping sliding plate 16, bottom guide slide 17, clamping locking groove 18, locking bolt 19, positioning plate slider 20, positioning plate slide 21, left positioning rod 22, sliding block 23, shift block slide 24, adjustment plate 25, adjustment fixing block 26, arc adjustment groove 27, adjustment sliding block 28, arc slider 29 , adjusting and fixing structure 30, fixing block 31, adjusting positioning hole 32, positioning column 33, upper base 34, lower base 35, fixed shaft 36, driven wheel 37, mounting bracket 38, saw blade driver 39, driving wheel 40, transmission belt 41, base slide rail 42, base slider 43, guide column 44, spring mounting groove 45, guide spring 46, limiting column 47, guide column hole 48, scale plate sliding structure 49, sliding drive assembly 50, sliding seat 51, scale plate slide rail 52, connecting base plate 53, scale plate slider 54, driving seat 55, driven rack 56, driving gear 57, mounting bracket 58, positioning driver 59. DETAILED DESCRIPTION

[0035] like Figures 1-6 As shown, a small circular saw machine includes a box body 1 and a saw blade base 2 arranged in the box body 1, a saw blade assembly 3 is provided on the saw blade base 2, a left scale plate 4 and a right scale plate 5 are respectively provided on both sides of the top of the box body 1, a saw blade 6 in the saw blade assembly 3 is located between the left scale plate 4 and the right scale plate 5, the left scale plate 4 is slidingly connected to the box body 1, a saw blade inclination adjustment mechanism 7 is provided between the saw blade base 2 and the box body 1, a left positioning plate 8 and a right positioning plate 9 are respectively provided on the left scale plate 4 and the right scale plate 5, the left positioning plate 8 is connected to the left scale plate 4 by a positioning plate sliding structure 10, and a workpiece clamping mechanism 11 is also provided on the left positioning plate 8.

[0036] In the present invention, the operation of the saw blade assembly 3 can cause the saw blade 6 to rotate and cut the workpieces placed on the left scale plate 4 and the right scale plate 5 .

[0037] One end of the right positioning plate 9 is hingedly connected to the right scale plate 5 , and the other end is penetrated by a right positioning rod 12 . The right scale plate 5 is provided with a group of right positioning holes distributed along an arc shape and adapted to the right positioning rod 12 .

[0038] The left positioning plate 8 and the right positioning plate 9 play a role in positioning the workpiece. The workpiece clamping mechanism 11 on the left positioning plate 8 can clamp the workpiece to ensure that the workpiece always maintains the correct position during the cutting process, avoiding processing errors caused by workpiece displacement or vibration, thereby improving processing accuracy, ensuring the smooth progress of the sawing process, and improving processing efficiency. When it is necessary to saw the workpiece at an angle, the inclination of the saw blade 6 can be adjusted by the saw blade inclination adjustment mechanism 7. The inclination of the saw blade 6 is easy to adjust and can effectively improve cutting efficiency. The left scale plate 4 is slidably connected to the box body 1 to facilitate the maintenance of the saw blade assembly 3. At the same time, when the saw blade 6 is tilted, the left scale plate 4 can be slid to increase the distance between the left scale plate 4 and the right scale plate 5, thereby making way for the tilted saw blade 6.

[0039] Specifically, combined Figure 1 、 Figure 3 and Figure 4 As shown, the workpiece clamping mechanism 11 includes a clamping shift block 13 and a clamping plate 14 arranged on one side of the clamping shift block 13. The clamping shift block 13 can be shifted on the left positioning plate 8 along the length direction of the left positioning plate 8. The side wall of the clamping shift block 13 is provided with a side wall guide slider 15 distributed along the length direction of the side wall. The side wall of the clamping plate 14 is fixedly connected with a clamping sliding plate 16. The bottom end of the clamping sliding plate 16 is provided with a bottom guide groove 17 that slides with the side wall guide slider 15. The clamping sliding plate 16 is penetrated by a clamping locking groove 18 distributed along the length direction of the clamping sliding plate 16. The clamping locking groove 18 is penetrated by a locking bolt 19 connected to the side wall guide slider 15. The side wall guide slider 15 is provided with a plurality of locking screw holes distributed along the length direction of the side wall guide slider 15.

[0040] The clamping sliding plate 16 can slide on the side wall guide slider 15 on the side wall of the clamping shift block 13 through the bottom guide slot 17 at the bottom end, so as to realize the vertical movement of the clamping plate 14 on the side wall of the clamping shift block 13 to clamp the workpiece. The clamping plate 14 can flexibly move vertically on the side wall of the clamping shift block 13 to flexibly adapt to workpieces of different thicknesses. It has strong applicability. When the clamping plate 14 clamps the workpiece, the locking bolt 19 provided in the clamping locking groove 18 is screwed into the corresponding locking screw hole on the side wall guide slider 15 to fix the clamping sliding plate 16 on the side wall guide slider 15 to fix the clamping plate 14. It can ensure that the clamping plate 14 clamps the workpiece, and the workpiece is firmly fixed. When the workpiece needs to be moved along the length direction of the left positioning plate 8 for cutting, it can follow the clamping shift block 13 to shift on the left positioning plate 8, ensuring that the workpiece always maintains correct movement during the cutting process.

[0041] Specifically, combined Figure 1 、 Figure 2 、 Figure 3 and Figure 5As shown, the positioning plate sliding structure 10 includes positioning plate sliders 20 respectively arranged on both sides of the bottom end of the left positioning plate 8, and the two corresponding sides of the left scale plate 4 are respectively provided with positioning plate slides 21 distributed along the length direction of the box body 1 and slidingly matched with the positioning plate sliders 20. A left positioning rod 22 is passed through the left positioning plate 8, and a number of left positioning holes that are compatible with the left positioning rod 22 are evenly distributed on the left scale plate 4. A sliding block 23 is provided at the bottom end of the clamping shift block 13, and a shift block slide 24 is distributed along the length direction of the left positioning plate 8 and slidingly matched with the sliding block 23 on the left positioning plate 8.

[0042] The positioning plate slider 20 at the bottom end of the left positioning plate 8 can slide in the positioning plate slot 21 on the left scale plate 4 to adjust the horizontal position of the left positioning plate 8 on the left scale plate 4. When the position of the left positioning plate 8 is adjusted, the left positioning rod 22 passing through the left positioning plate 8 is inserted into the corresponding left positioning hole on the left scale plate 4 to fix the left positioning plate 8. The adjustment of the left positioning plate 8 is convenient and the fixation is stable. The clamping shift block 13 can slide in the shift block slot 24 on the left positioning plate 8 through the sliding block 23 at the bottom end. The sliding cooperation between the sliding block 23 and the shift block slot 24 can play a role in limiting and guiding the sliding of the clamping shift block 13, avoiding the displacement of the clamping shift block 13 and ensuring that the workpiece can be stably displaced following the clamping shift block 13.

[0043] Specifically, combined Figure 2 and Figure 6 As shown, the saw blade inclination adjustment mechanism 7 includes an adjustment plate 25 respectively arranged on both sides of the saw blade base 2, an adjustment fixed block 26 is respectively provided on the corresponding two sides of the box body 1, an arc adjustment groove 27 is provided on the adjustment fixed block 26, an adjustment sliding block 28 is provided on the upper end of the adjustment plate 25 near the side of the adjustment fixed block 26, an arc slider 29 is provided on the adjustment sliding block 28 for sliding cooperation with the arc adjustment groove 27, and an adjustment fixing structure 30 is provided between the lower end of the adjustment plate 25 and the box body 1.

[0044] The adjusting sliding block 28 on the adjusting plate 25 can rotate along the arc adjusting groove 27 in the arc adjusting groove 27 on the adjusting fixed block 26 through the arc slider 29 to adjust the inclination of the saw blade base 2 for adjusting the inclination of the saw blade 6. The inclination of the saw blade 6 is convenient to adjust. When the inclination of the saw blade base 2 is adjusted, the lower end of the adjusting plate 25 is fixed to the box body 1 through the adjusting fixing structure 30 at the lower end of the adjusting plate 25. After the inclination is adjusted, the saw blade base 2 is firmly fixed.

[0045] Specifically, combined Figure 2 and Figure 6As shown, the adjustment and fixing structure 30 includes a fixing block 31 arranged at the lower end of the adjustment plate 25, and a group of adjustment positioning holes 32 distributed along an arc shape are penetrated on the side wall of the corresponding side of the box body 1, and a positioning column 33 set through the adjustment plate 25 is penetrated on the fixing block 31, and the positioning column 33 passes through the adjustment positioning hole 32 and is connected to the fixing block 31.

[0046] When the inclination of the adjustment plate 25 is adjusted, the positioning columns 33 that are sequentially arranged on the lower end of the adjustment plate 25 and the fixing block 31 are inserted into the corresponding adjustment positioning holes 32 on the box body 1 to fix the lower end of the adjustment plate 25. The fixation of the adjustment plate 25 is firm and reliable, and the fixing operation is convenient.

[0047] Specifically, combined Figure 2 and Figure 6 As shown, the saw blade base 2 includes an upper base frame 34 and a lower base frame 35, and the saw blade assembly 3 includes a fixed shaft 36 passing through the upper base frame 34, the end of the fixed shaft 36 is sleeved with a saw blade 6, and the other end of the fixed shaft 36 is sleeved with a driven wheel 37, and the side wall of the upper base frame 34 is connected to the saw blade driver 39 through the mounting bracket 38, and the output end of the saw blade driver 39 is sleeved with a driving wheel 40, and the driving wheel 40 and the driven wheel 37 are connected by a transmission belt 41.

[0048] The saw blade driver 39 drives the driving wheel 40 to rotate and synchronously drives the driven wheel 37 to rotate through the transmission belt 41. The rotation of the driven wheel 37 drives the saw blade 6 to rotate through the fixed shaft 36 for cutting.

[0049] Preferably, combined Figure 2 、 Figure 6 and Figure 7 As shown, a frame slide rail 42 distributed along the length direction of the adjustment plate 25 is provided on the side wall of the adjustment plate 25 near the upper base frame 34, and a frame slider 43 slidingly matched with the frame slide rail 42 is provided on the side wall of the upper base frame 34. The lower base frame 35 is fixedly connected to the frame slide rail 42, and guide columns 44 are symmetrically passed through the lower base frame 35. A guide column hole 48 adapted to the guide column 44 is provided at the bottom end of the upper base frame 34. Corresponding spring mounting grooves 45 are also provided on the upper base frame 34 and the lower base frame 35 respectively. A guide spring 46 sleeved on the guide column 44 is provided in the spring mounting groove 45. A limit column 47 is also provided between the upper base frame 34 and the lower base frame 35.

[0050] During the cutting process of the saw blade 6, the upper base frame 34 can slide up and down on the base frame slide rail 42 through the base frame slider 43 on the side wall. The guide spring 46 between the upper base frame 34 and the lower base frame 35 has a buffering and shock-absorbing effect on the upper base frame 34, which can reduce the impact and vibration of the saw blade 6 during the cutting process and ensure the cutting quality. The limiting column 47 between the upper base frame 34 and the lower base frame 35 has a limiting effect on the downward movement of the upper base frame 34.

[0051] Specifically, combined Figure 2 and Figure 8 As shown, the left scale plate 4 is connected to the box body 1 via a scale plate sliding structure 49. A sliding drive component 50 is also provided between the left scale plate 4 and the box body 1, which can drive the left scale plate 4 to slide along the length direction of the box body 1 so that the left scale plate 4 moves away from or close to the right scale plate 5.

[0052] The left scale plate 4 is slidably connected to the box body 1 through a scale plate sliding structure 49. The sliding drive assembly 50 between the left scale plate 4 and the box body 1 can drive the left scale plate 4 to slide along the length direction of the box body 1 so that the left scale plate 4 moves away from or close to the right scale plate 5. The sliding adjustment of the left scale plate 4 is convenient.

[0053] Specifically, combined Figure 2 and Figure 8 As shown, the scale plate sliding structure 49 includes a sliding seat 51 respectively arranged on the inner side walls of the two length sides of the box body 1, and the sliding seat 51 is provided with a scale plate slide rail 52 distributed along the length direction of the box body 1. A connecting base plate 53 is provided at the bottom of the left scale plate 4, and the bottom end of the connecting base plate 53 is located on both sides and has scale plate sliders 54 that slide with the scale plate slide rail 52.

[0054] The connecting base plate 53 at the bottom of the left scale plate 4 can slide on the scale plate slide rail 52 on the sliding seat 51 through the scale plate slider 54 at the bottom end. The sliding cooperation between the scale plate slide rail 52 and the scale plate slider 54 guides the sliding of the left scale plate 4, ensuring that the left scale plate 4 will not shift and achieves stable sliding adjustment.

[0055] Specifically, combined Figure 8 As shown, the sliding drive assembly 50 includes a drive seat 55 arranged at the bottom end of the connecting base plate 53 and distributed along the length direction of the box body 1, and a driven rack 56 is provided on the drive seat 55 and distributed along the length direction of the drive seat 55, and the tooth end of the driven rack 56 is arranged vertically downward. A driving gear 57 is provided in the box body 1 and is meshed with the driven rack 56. A mounting frame 58 is provided on the inner wall of the box body 1, and a positioning driver 59 is provided on the mounting frame 58. The output end of the positioning driver 59 is connected to the driving gear 57.

[0056] The operation of the positioning driver 59 can drive the driving gear 57 to rotate forward or reverse. The forward and reverse rotation of the driving gear 57 can drive the left scale plate 4 to slide back and forth along the length direction of the box body 1 on the sliding seat 51 through the meshing transmission between the driven rack 56. The outward sliding of the left scale plate 4 can increase the distance between the left scale plate 4 and the right scale plate 5, which plays a role in making way for the inclined saw blade 6. The sliding adjustment of the left scale plate 4 is convenient, which is convenient for internal maintenance of the machine. The meshing transmission between the driven rack 56 and the driving gear 57 can ensure a constant transmission ratio, transmit large power, and maintain stable performance under long-term, high-load working conditions.

[0057] The working principle of the utility model is: the saw blade driver 39 drives the driving wheel 40 to rotate and drives the driven wheel 37 to rotate synchronously through the transmission belt 41. The driven wheel 37 rotates through the fixed shaft 36 to drive the saw blade 6 to rotate and cut;

[0058] The clamping plate 14 moves vertically on the side wall of the clamping shift block 13 to clamp the workpiece. After the clamping plate 14 clamps the workpiece, the locking bolt 19 passing through the clamping locking groove 18 is screwed into the corresponding locking screw hole on the side wall guide slide 15 to fix the clamping sliding plate 16 on the side wall guide slide 15 to fix the clamping plate 14, which can ensure that the clamping plate 14 clamps the workpiece and the workpiece is firmly fixed. When the workpiece needs to be moved along the length direction of the left positioning plate 8 for cutting, it can follow the clamping shift block 13 to shift on the left positioning plate 8, ensuring that the workpiece always maintains correct movement during the cutting process, and the left positioning plate 8 can be adjusted in the lateral position on the left scale plate 4.

[0059] The adjusting slide block 28 on the adjusting plate 25 can be rotated along the arc adjusting groove 27 on the adjusting fixed block 26 via the arc slider 29 to adjust the inclination of the saw blade 6. When the inclination of the adjusting plate 25 is adjusted, the positioning posts 33 sequentially provided on the lower end of the adjusting plate 25 and the fixed block 31 are inserted into the corresponding adjustment positioning holes 32 on the box body 1 to achieve the fixing of the lower end of the adjusting plate 25.

[0060] The operation of the positioning driver 59 can drive the driving gear 57 to rotate forward or reverse. The driving gear 57 can drive the left scale plate 4 to slide back and forth on the sliding seat 51 along the length direction of the box body 1 through the meshing transmission between the forward and reverse rotation of the driving gear 57 and the driven rack 56.

[0061] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0062] Although this article uses more of the box 1, saw blade base 2, saw blade assembly 3, left scale plate 4, right scale plate 5, saw blade 6, saw blade inclination adjustment mechanism 7, left positioning plate 8, right positioning plate 9, positioning plate sliding structure 10, workpiece clamping mechanism 11, right positioning rod 12, clamping shift block 13, clamping plate 14, side wall guide slider 15, clamping sliding plate 16, bottom guide slide 17, clamping locking groove 18, locking bolt 19, positioning plate slider 20, positioning plate slide 21, left positioning rod 22, sliding block 23, shift block slide 24, adjustment plate 25, adjustment fixing block 26, arc adjustment groove 27, adjustment sliding block 28, arc slider 29, adjustment fixing structure 30, fixing block 31, adjustment positioning hole 32, positioning column 33, upper base 34, lower base 35, fixed shaft 36, driven wheel 37, mounting bracket 38, saw blade driver 39, driving wheel 40, transmission belt 41, base slide rail 42, base slider 43, guide column 44, spring mounting groove 45, guide spring 46, limit column 47, guide column hole 48, scale plate sliding structure 49, sliding drive assembly 50, sliding seat 51, scale plate slide rail 52, connecting base plate 53, scale plate slider 54, drive seat 55, driven rack 56, driving gear 57, mounting bracket 58, positioning driver 59, etc. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A small circular saw machine, comprising a housing (1) and a saw blade base (2) arranged in the housing (1), a saw blade assembly (3) being provided on the saw blade base (2), a left scale plate (4) and a right scale plate (5) being provided on both sides of the top of the housing (1), a saw blade (6) in the saw blade assembly (3) being located between the left scale plate (4) and the right scale plate (5), and characterized in that: The left scale plate (4) is slidably connected to the box body (1), a saw blade inclination adjustment mechanism (7) is provided between the saw blade base (2) and the box body (1), a left positioning plate (8) and a right positioning plate (9) are provided on the left scale plate (4) and the right scale plate (5), respectively, the left positioning plate (8) and the left scale plate (4) are connected via a positioning plate sliding structure (10), and a workpiece clamping mechanism (11) is also provided on the left positioning plate (8).

2. The small circular saw machine according to claim 1, characterized in that: The workpiece clamping mechanism (11) includes a clamping shift block (13) and a clamping plate (14) arranged on one side of the clamping shift block (13), the clamping shift block (13) can be shifted on the left positioning plate (8) along the length direction of the left positioning plate (8), the side wall of the clamping shift block (13) is provided with a side wall guide slider (15) distributed along the length direction of the side wall, the side wall of the clamping plate (14) is fixedly connected with a clamping sliding plate (16), the bottom end of the clamping sliding plate (16) is provided with a bottom guide slot (17) that slides with the side wall guide slider (15), the clamping sliding plate (16) is penetrated by a clamping locking slot (18) distributed along the length direction of the clamping sliding plate (16), the clamping locking slot (18) is penetrated by a locking bolt (19) connected to the side wall guide slider (15), and the side wall guide slider (15) is provided with a plurality of locking screw holes distributed along the length direction of the side wall guide slider (15).

3. The small circular saw machine according to claim 2, characterized in that: The positioning plate sliding structure (10) includes positioning plate sliders (20) respectively arranged on both sides of the bottom end of the left positioning plate (8), and the two corresponding sides of the left scale plate (4) are respectively provided with positioning plate slides (21) distributed along the length direction of the box body (1) and slidingly matched with the positioning plate sliders (20). The left positioning plate (8) is penetrated by a left positioning rod (22), and the left scale plate (4) is evenly distributed with a plurality of left positioning holes adapted to the left positioning rod (22). The bottom end of the clamping shift block (13) is provided with a sliding block (23), and the left positioning plate (8) is provided with a shift block slide (24) distributed along the length direction of the left positioning plate (8) and slidingly matched with the sliding block (23).

4. The small circular saw machine according to claim 1, characterized in that: The saw blade inclination adjustment mechanism (7) includes an adjustment plate (25) respectively arranged on both sides of the saw blade base (2), an adjustment fixing block (26) is respectively provided on the corresponding two sides of the box body (1), an arc adjustment groove (27) is provided on the adjustment fixing block (26), an adjustment sliding block (28) is provided on the upper end of the adjustment plate (25) near the adjustment fixing block (26), an arc slider (29) is provided on the adjustment sliding block (28) and is slidably matched with the arc adjustment groove (27), and an adjustment fixing structure (30) is provided between the lower end of the adjustment plate (25) and the box body (1).

5. The small circular saw machine according to claim 4, characterized in that: The adjustment fixing structure (30) includes a fixing block (31) arranged at the lower end of the adjustment plate (25), a group of adjustment positioning holes (32) distributed along an arc shape are penetrated on the side wall of the corresponding side of the box body (1), and a positioning column (33) is penetrated on the fixing block (31) and is set through the adjustment plate (25), and the positioning column (33) passes through the adjustment positioning hole (32) and is connected to the fixing block (31).

6. The small circular saw machine according to claim 4, characterized in that: The saw blade base (2) includes an upper base frame (34) and a lower base frame (35), and the saw blade assembly (3) includes a fixed shaft (36) passing through the upper base frame (34), the end of the fixed shaft (36) is sleeved with a saw blade (6), and the other end of the fixed shaft (36) is sleeved with a driven wheel (37), and the side wall of the upper base frame (34) is connected to a saw blade driver (39) through a mounting bracket (38), and the output end of the saw blade driver (39) is sleeved with a driving wheel (40), and the driving wheel (40) and the driven wheel (37) are connected via a transmission belt (41).

7. The small circular saw machine according to claim 6, characterized in that: The side wall of the adjustment plate (25) near the upper base frame (34) is provided with a base frame slide rail (42) distributed along the length direction of the adjustment plate (25), the side wall of the upper base frame (34) is provided with a base frame slider (43) that slides with the base frame slide rail (42), the lower base frame (35) is fixedly connected to the base frame slide rail (42), the lower base frame (35) is symmetrically penetrated with guide columns (44), the bottom end of the upper base frame (34) is provided with a guide column hole (48) adapted to the guide column (44), the upper base frame (34) and the lower base frame (35) are respectively provided with corresponding spring mounting grooves (45), the spring mounting groove (45) is provided with a guide spring (46) sleeved on the guide column (44), and a limit column (47) is further provided between the upper base frame (34) and the lower base frame (35).

8. The small circular saw machine according to any one of claims 1 to 7, characterized in that: The left scale plate (4) and the box body (1) are connected via a scale plate sliding structure (49). A sliding drive assembly (50) capable of driving the left scale plate (4) to slide along the length direction of the box body (1) so that the left scale plate (4) moves away from or close to the right scale plate (5) is also provided between the left scale plate (4) and the box body (1).

9. The small circular saw machine according to claim 8, characterized in that: The scale plate sliding structure (49) includes a sliding seat (51) respectively arranged on the inner side walls of the two length sides of the box body (1), and the sliding seat (51) is provided with a scale plate slide rail (52) distributed along the length direction of the box body (1). The bottom of the left scale plate (4) is provided with a connecting base plate (53), and the bottom end of the connecting base plate (53) is located on both sides and is provided with a scale plate slider (54) that slides with the scale plate slide rail (52).

10. The small circular saw machine according to claim 9, characterized in that: The sliding drive assembly (50) includes a driving seat (55) arranged at the bottom end of the connecting base plate (53) and distributed along the length direction of the box body (1), the driving seat (55) is provided with a driven rack (56) distributed along the length direction of the driving seat (55), the tooth end of the driven rack (56) is arranged vertically downward, the box body (1) is provided with a driving gear (57) meshing with the driven rack (56) and connected to the driving gear (57), the inner wall of the box body (1) is provided with a mounting frame (58), and the mounting frame (58) is provided with a positioning driver (59), and the output end of the positioning driver (59) is connected to the driving gear (57).

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