Grinding device for saw blade

Abstract

The utility model relates to the field of saw blade machining, and discloses a saw blade polishing device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting box, a rotating device is arranged in the supporting box, a mounting plate is arranged at the top of the rotating device, a receding groove is formed in the mounting plate, and the rotating device is arranged in the receding groove. Four fixing plates distributed front, back, left and right are fixedly connected to the interior of the receding groove through hinges, friction pads are fixedly connected to the opposite sides of the four fixing plates, a supporting plate is fixedly connected to the top of the bottom plate, and a first electric push rod is fixedly connected to the right side of the supporting plate; and a protection box is fixedly connected to the right side of the electric push rod, a moving device is arranged in the protection box, a connecting plate is fixedly connected to the outer side of the moving device, and a grinding piece is slidably connected to the interior of the connecting plate. The grinding device for the saw blade has the advantages that the saw blade can be ground, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the field of saw blade processing, in particular to a saw blade grinding device. Background Art

[0002] Saw blades are a general term for thin circular tools used to cut solid materials. Saw blades can be divided into: diamond saw blades for stone cutting, high-speed steel saw blades for metal cutting, and carbide saw blades for cutting solid wood, furniture, artificial boards, aluminum alloys, aluminum profiles, radiators, plastics, plastic steel, etc.

[0003] After a long period of use, the teeth of the saw blade will rust and become blunt. Traditionally, it is polished manually, but the polishing is not only a waste of manpower, but also has low polishing efficiency. Therefore, a saw blade polishing device is proposed to solve the above problem. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a saw blade grinding device, which has the advantages of being able to grind the saw blade and saving time and effort, and solves the problem that the teeth of the saw blade will rust and become dull after long-term use. Traditionally, the grinding is done manually, but this grinding not only wastes manpower but also has low grinding efficiency.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem with a technical solution as follows: a saw blade grinding device, comprising a base plate, a support box is fixedly connected to the top of the base plate, a rotating device is arranged inside the support box, a mounting plate is arranged on the top of the rotating device, a clearance groove is opened inside the mounting plate, four fixed plates distributed front, back, left and right are fixedly connected inside the clearance groove by hinges, friction pads are fixedly connected to the opposite sides of the four fixed plates, the top of the base plate is fixedly connected to the support plate, a first electric push rod is fixedly connected to the right side of the support plate, a protective box is fixedly connected to the right side of the first electric push rod, a moving device is arranged inside the protective box, a connecting plate is fixedly connected to the outer side of the moving device, and a grinding sheet is slidably connected inside the connecting plate.

[0008] The beneficial effects of the utility model are:

[0009] The saw blade grinding device has the advantages of being able to grind the saw blade and saving time and effort.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the rotating device includes a first motor fixedly connected to the inside of the base plate, a first gear fixedly connected to the outside of the output shaft of the first motor, a rotating shaft rotatably connected to the inside of the support box, and a second gear meshing with the first gear fixedly connected to the outside of the rotating shaft.

[0012] The beneficial effect of adopting the above further solution is that power is provided for the rotation of the rotating shaft and the rotation speed of the mounting plate is limited.

[0013] Furthermore, the rotating shaft penetrates and extends to the outside of the supporting box, the top of the rotating shaft is fixedly connected to the bottom of the mounting plate, and the mounting plate is rotatably connected to the supporting box.

[0014] The beneficial effect of adopting the above further solution is that the mounting plate can be rotated, thereby driving the saw blade to rotate.

[0015] Furthermore, an annular groove is provided inside the support box, a connecting ring is fixedly connected to the bottom of the mounting plate, and a sliding ring is fixedly connected to the bottom of the connecting ring and is slidably connected to the annular groove.

[0016] The beneficial effect of adopting the above further solution is that support is provided for the rotation of the mounting plate, thereby preventing the mounting plate from tilting or deviating during the rotation process.

[0017] Furthermore, the moving device includes a second motor fixedly connected to the inside of the protective box, a reciprocating screw fixedly connected to the outside of the output shaft of the second motor and rotatably connected to the inside of the protective box, and a transmission block fixedly connected to the connecting plate via a threaded transmission on the outside of the reciprocating screw.

[0018] The beneficial effect of adopting the above further solution is that the connecting plate can be moved up and down and back and forth, so as to drive the friction plate to grind back and forth.

[0019] Furthermore, a slide groove is provided inside the connecting plate, a second electric push rod fixedly connected to the grinding plate is fixedly connected to the right side of the connecting plate, and a slide plate slidably connected to the slide groove is fixedly connected to the left side of the grinding plate.

[0020] The beneficial effect of adopting the above further solution is that the grinding sheet is allowed to move slightly in the horizontal direction, thereby preventing the grinding sheet from being blocked by the saw blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the mobile device of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the rotating device of the utility model;

[0024] Figure 4 This is a schematic diagram of the slip ring structure of the utility model.

[0025] In the figure: 1. base plate; 2. support box; 3. rotating device; 31. first motor; 32. first gear; 33. rotating shaft; 34. second gear; 4. mounting plate; 5. fixing plate; 6. friction pad; 7. support plate; 8. first electric push rod; 9. protection box; 10. moving device; 101. second motor; 102. reciprocating screw; 103. transmission block; 11. connecting plate; 12. grinding disc; 13. connecting ring; 14. slip ring; 15. second electric push rod; 16. slide plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiment, Figure 1-4 A grinding device for a saw blade is provided. The utility model comprises a base plate 1, a support box 2 is fixedly connected to the top of the base plate 1, a rotating device 3 is arranged inside the support box 2, a mounting plate 4 is arranged on the top of the rotating device 3, a clearance groove is opened inside the mounting plate 4, four fixing plates 5 distributed front, back, left and right are fixedly connected to the inside of the clearance groove by hinges, friction pads 6 are fixedly connected to the opposite sides of the four fixing plates 5, a support plate 7 is fixedly connected to the top of the base plate 1, a first electric push rod 8 is fixedly connected to the right side of the support plate 7, a protective box 9 is fixedly connected to the right side of the first electric push rod 8, a moving device 10 is arranged inside the protective box 9, a connecting plate 11 is fixedly connected to the outer side of the moving device 10, and a grinding sheet 12 is slidably connected to the inside of the connecting plate 11.

[0028] Among them, the rotating device 3 includes a first motor 31 fixedly connected to the inside of the base plate 1, a first gear 32 is fixedly connected to the outside of the output shaft of the first motor 31, a rotating shaft 33 is rotatably connected to the inside of the support box 2, and a second gear 34 that meshes with the first gear 32 is fixedly connected to the outside of the rotating shaft 33.

[0029] In this embodiment, during actual use, the rotation of the first motor 31 drives the first gear 32 to rotate, and drives the middle rotating shaft 33 to rotate through the second gear 34 meshing with the first gear 32 .

[0030] The rotating shaft 33 penetrates through and extends to the outside of the supporting box 2 , the top of the rotating shaft 33 is fixedly connected to the bottom of the mounting plate 4 , and the mounting plate 4 is rotatably connected to the supporting box 2 .

[0031] In this embodiment, during actual use, the rotation of the rotating shaft 33 causes the mounting plate 4 to rotate, and drives the saw blade on the mounting plate 4 to rotate.

[0032] An annular groove is provided inside the support box 2 , a connecting ring 13 is fixedly connected to the bottom of the mounting plate 4 , and a sliding ring 14 slidably connected to the annular groove is fixedly connected to the bottom of the connecting ring 13 .

[0033] In this embodiment, in actual use, when the mounting plate 4 is driven by the rotating shaft 33 to rotate, the sliding direction of the mounting plate 4 is limited by the sliding of the slip ring 14 and the annular groove.

[0034] Among them, the moving device 10 includes a second motor 101 fixedly connected to the inside of the protective box 9, and the outer side of the output shaft of the second motor 101 is fixedly connected to a reciprocating screw 102 rotatably connected to the inside of the protective box 9, and the outer side of the reciprocating screw 102 is connected to a transmission block 103 fixedly connected to the connecting plate 11 through a threaded transmission.

[0035] In this embodiment, during actual use, the start of the second motor 101 will drive the reciprocating screw 102 in the protection box 9 to rotate, and under the action of the thread, the transmission block 103 drives the connecting plate 11 to move back and forth.

[0036] A slide groove is provided inside the connecting plate 11, a second electric push rod 15 fixedly connected to the grinding plate 12 is fixedly connected to the right side of the connecting plate 11, and a slide plate 16 slidably connected to the slide groove is fixedly connected to the left side of the grinding plate 12.

[0037] In this embodiment, during actual use, the second electric push rod 15 will push the grinding plate 12 to move forward and backward so that the grinding plate 12 can adapt to the distance between two adjacent teeth. When the grinding plate 12 moves, the slide plate 16 will assist in moving in the slide groove to stabilize the moving direction of the slide plate 16.

[0038] Working principle:

[0039] First, place the saw blade on the mounting plate 4, and bend the four fixing plates 5 through hinges. The four hinges are all hydraulic hinges with a maximum bending angle of ninety degrees. The four fixing plates 5 will remain parallel to the mounting plate 4 under the action of the hinges, and the fixing plates 5 will fix the saw blade through the friction pad 6. When you want to grind the teeth of the saw blade, first start the first electric push rod 8 to push the grinding sheet 12 between the two teeth of the saw blade, then start the second electric push rod 15 to push the grinding sheet 12 to make it contact with the back of the teeth, and then, driven by the second motor 101, move the grinding sheet 12 up and down to grind the tooth edge of the saw blade, reset it after grinding, and then start the first motor 31 to make the mounting plate 4 drive the saw blade to rotate, so that the saw blade rotates to between the ungrinded teeth for grinding.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A saw blade grinding device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a support box (2), a rotating device (3) is arranged inside the support box (2), a mounting plate (4) is arranged on the top of the rotating device (3), a clearance groove is opened inside the mounting plate (4), four fixed plates (5) distributed in front, back, left and right directions are fixedly connected inside the clearance groove through hinges, and friction pads (6) are fixedly connected to the opposite sides of the four fixed plates (5), the top of the base plate (1) is fixedly connected to a support plate (7), the right side of the support plate (7) is fixedly connected to a first electric push rod (8), the right side of the first electric push rod (8) is fixedly connected to a protective box (9), a moving device (10) is arranged inside the protective box (9), the outer side of the moving device (10) is fixedly connected to a connecting plate (11), and the inside of the connecting plate (11) is slidably connected to a grinding sheet (12).

2. A saw blade grinding device according to claim 1, characterized in that: The rotating device (3) comprises a first motor (31) fixedly connected to the interior of the base plate (1); a first gear (32) is fixedly connected to the outer side of the output shaft of the first motor (31); a rotating shaft (33) is rotatably connected to the interior of the support box (2); and a second gear (34) meshing with the first gear (32) is fixedly connected to the outer side of the rotating shaft (33).

3. A saw blade grinding device according to claim 2, characterized in that: The rotating shaft (33) passes through and extends to the outside of the supporting box (2); the top of the rotating shaft (33) is fixedly connected to the bottom of the mounting plate (4); and the mounting plate (4) is rotatably connected to the supporting box (2).

4. A saw blade grinding device according to claim 1, characterized in that: An annular groove is provided inside the support box (2), a connecting ring (13) is fixedly connected to the bottom of the mounting plate (4), and a sliding ring (14) is fixedly connected to the bottom of the connecting ring (13) and is slidably connected to the annular groove.

5. The saw blade grinding device according to claim 1, characterized in that: The moving device (10) comprises a second motor (101) fixedly connected to the inside of the protective box (9); a reciprocating screw (102) rotatably connected to the inside of the protective box (9) is fixedly connected to the outside of the output shaft of the second motor (101); and a transmission block (103) fixedly connected to the connecting plate (11) is connected to the outside of the reciprocating screw (102) via a threaded transmission.

6. A saw blade grinding device according to claim 1, characterized in that: A sliding groove is provided inside the connecting plate (11); a second electric push rod (15) fixedly connected to the grinding plate (12) is fixedly connected to the right side of the connecting plate (11); and a sliding plate (16) slidably connected to the sliding groove is fixedly connected to the left side of the grinding plate (12).

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