CN220240909U

CN220240909U - Knife grinder

Info

Publication number: CN220240909U
Application number: CN202321856881.8U
Authority: CN
Inventors: 陈纯文; 陈久永; 张桂银
Original assignee: Wenzhou Alike Metal Products Co ltd
Current assignee: Wenzhou Alike Metal Products Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-12-26
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a knife grinder in the field of knife grinding, which comprises a mounting plate, wherein a second moving plate is slidably arranged in the middle of one side of the upper surface of the mounting plate along the horizontal direction, two knife grinding rollers which are attached to each other are fixed on the outer ring surface of the output end of a rotating motor, a first baffle is arranged on one side of a connecting plate, which is close to the knife grinding rollers, an arc plate is fixed below the knife grinding rollers, one side, which is far away from the first baffle, of the arc plate is fixed with a second baffle, the upper end, which is close to the surface of one side of the rotating motor, of the second fixing plate is provided with a second hydraulic cylinder.

Description

Knife grinder

Technical Field

The utility model relates to the field of knife sharpening, in particular to a knife sharpener.

Background

The knife sharpening refers to sharpening the knife, and the knife edge of the knife can be in a sharp state by sharpening the prop, so that the knife is beneficial to cutting materials to be cut, the cutting efficiency and the cutting effect of the knife when cutting the materials are guaranteed, and the knife is convenient to use.

The cutter is sharpened manually or through the knife grinder, the cutter is sharpened manually on the knife grinder, the cutter is sharpened on the knife grinder, the efficiency of manual sharpening is low, the accuracy of sharpening the cutter is not beneficial to guaranteeing, so that the cutter is sharpened through the knife grinder when sharpened, and the knife grinder can polish the cutter through the knife grinder roller.

When current knife grinder polishes to the cutter, clearance on the pair of knife sharpening roller that can not be convenient, the in-process that the knife sharpening roller polished to the cutter, easy adhesion piece on the knife sharpening roller, adhesion piece can influence the leveling of corresponding position on the knife sharpening roller, is unfavorable for guaranteeing the leveling on the cutter of sharpening, can influence the effect of sharpening to the cutter.

Therefore, we propose a knife grinder.

Disclosure of Invention

The present utility model is directed to a knife grinder, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a knife grinder, includes the mounting panel, the middle part of mounting panel upper surface one side is followed horizontal direction slidable mounting and is had the second movable plate, the upper surface mounting of second movable plate has the rotation motor, the one end that rotation motor one side was kept away from to the mounting panel upper surface is fixed with the second fixed plate, the output of rotation motor is towards the one end that is close to the second fixed plate, be fixed with two sharpening rolls that laminate mutually on the outer anchor ring of rotation motor output, the bottom that the second movable plate is close to second fixed plate one side surface is fixed with the third movable plate, one side that the second movable plate upper surface was kept away from to the third movable plate is fixed with the connecting plate, the first baffle is installed to one side that the connecting plate is close to the sharpening roll, one side that the first baffle is close to the sharpening roll is fixed with the arc, one side that the arc was kept away from the first baffle is fixed with the second baffle, the second pneumatic cylinder is installed to the upper end that the second fixed plate is close to rotation motor one side surface, the one end surface that the second fixed plate was kept away from the second limiting plate, the output of second pneumatic cylinder runs through the both sides surface that corresponds the position on the second limiting plate, the first hydraulic cylinder is fixed with the output of second pneumatic cylinder.

As a further scheme of the utility model: the lower side of the first baffle is in an arc-surface state, the lower side of the second baffle is in an arc-surface state, the upper side of the arc-shaped plate is in an inward concave arc-surface state, the lower side of the arc-shaped plate is in an outward convex arc-surface state, and bolts are inserted between the two ends of the first baffle and corresponding positions on the connecting plate through common threads.

By adopting the technical scheme: the setting of connecting plate can support and spacing first baffle.

As still further aspects of the utility model: the second limiting plate is in a vertical state, the first clamping block in a horizontal state is fixed on the lower surface of the second limiting plate, the first moving plate is in a vertical state, and the second clamping block in a horizontal state is fixed on the lower surface of the first moving plate.

By adopting the technical scheme: the second limiting plate is arranged, and can fix and limit the first clamping block.

As still further aspects of the utility model: one side surface of the first clamping block, which is close to the second clamping block, is fixedly provided with a first clamping pad which is matched and attached, and one side surface of the second clamping block, which is close to the first clamping block, is fixedly provided with a second clamping pad which is matched and attached.

By adopting the technical scheme: the first clamping pad and the second clamping pad are arranged, so that the cutter needing to be sharpened can be clamped and fixed.

As still further aspects of the utility model: the four corners of the second limiting plate, which are close to one side surface of the second fixing plate, are respectively fixed with a second fixing rod, the second fixing rods are in a horizontal state, and one ends of the second fixing rods, which are far away from the second limiting plate, are respectively fixedly connected with corresponding positions on the second fixing plate.

By adopting the technical scheme: the second fixing rod is arranged, so that the second limiting plate and the second fixing plate are limited.

As still further aspects of the utility model: the mounting panel upper surface is close to one side of rotating motor and keeps away from the one end of second fixed plate and be fixed with first fixed plate, and the mid-mounting that first fixed plate is close to one side surface of rotating motor has a first pneumatic cylinder that is the horizontality, and first pneumatic cylinder is the horizontality, and the output of first pneumatic cylinder is towards rotating motor and with rotate the corresponding position on the motor between fixed connection mutually.

By adopting the technical scheme: the first hydraulic cylinder is arranged to drive the rotary motor to move.

As still further aspects of the utility model: the four corners that the rotation motor is close to first pneumatic cylinder one end surface all are fixed with first dead lever, and the one end that the rotation motor was kept away from to first dead lever is located the outside of first pneumatic cylinder output and is fixed with first limiting plate jointly, and fixed connection is mutually between the corresponding position on first limiting plate and the first pneumatic cylinder output.

By adopting the technical scheme: the first fixed rod and the first limiting plate are arranged, so that the first hydraulic cylinder output end and the rotating motor are limited.

As still further aspects of the utility model: clamping blocks are jointly fixed on two sides of the lower surfaces of the second moving plate and the third moving plate, clamping grooves which are matched and in a horizontal state are correspondingly formed in the upper surface of the mounting plate, supporting rods are fixedly arranged at two ends and the middle of two sides of the lower surface of the mounting plate, supporting frames are jointly fixed between the lower end surfaces of the supporting rods, and supporting legs are fixedly arranged at four corners of the lower surface of the supporting frames.

By adopting the technical scheme: the supporting legs are arranged, so that the supporting frame can be supported and limited, and the supporting frame can be used conveniently.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the part of the knife sharpening roller, which is adhered with the scraps, rotates into the water inside the first baffle, the second baffle and the arc plate, the water inside the first baffle, the second baffle and the arc plate can clean and remove the scraps adhered on the knife sharpening roller, so that the knife sharpening roller is facilitated to be used, the scraps adhered on the knife sharpening roller can be conveniently cleaned, the scraps adhered on the knife sharpening roller can be conveniently removed when the knife sharpening roller is polished, the effect that the scraps adhered on the knife sharpening roller affect the flatness of the corresponding position on the knife sharpening roller is avoided, the flatness on a knife for sharpening is ensured, and the effect of sharpening the knife is facilitated to be ensured.

2. According to the utility model, the second clamping block can drive the second clamping pad to move towards the first clamping pad on the first clamping block when moving, the second clamping block can fix and limit the second clamping pad, so that the second clamping pad can be stably used, the first clamping block can fix and limit the first clamping pad, the first clamping pad can be stably used conveniently, and after the second clamping block drives the second clamping pad to move towards the first clamping pad on the first clamping block, the second clamping block and the first clamping block can clamp and fix the cutter through the second clamping pad and the first clamping pad, so that the cutter can be stably sharpened.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a second moving plate structure according to the present utility model;

FIG. 3 is a schematic view of a second fixing rod according to the present utility model;

FIG. 4 is a schematic diagram of a first moving plate structure according to the present utility model;

FIG. 5 is a schematic view of a first fixing plate structure according to the present utility model;

fig. 6 is a schematic view of a connecting plate structure according to the present utility model.

In the figure: 1. a mounting plate; 2. a support rod; 3. a support frame; 4. support legs; 5. a first fixing plate; 6. a second fixing plate; 7. a first hydraulic cylinder; 8. a second hydraulic cylinder; 9. a first fixing rod; 10. a second fixing rod; 11. a first limiting plate; 12. a second limiting plate; 13. a rotating motor; 14. a first clamping block; 15. a second clamping block; 16. a first clamping pad; 17. a second clamping pad; 18. a first moving plate; 19. a second moving plate; 20. a third moving plate; 21. a connecting plate; 22. a first baffle; 23. a second baffle; 24. an arc-shaped plate; 25. sharpening rolls; 26. a clamping block; 27. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, in an embodiment of the present utility model, a knife grinder includes a mounting plate 1, a second moving plate 19 is slidably mounted in a middle portion of a side of an upper surface of the mounting plate 1 along a horizontal direction, a rotating motor 13 is mounted on an upper surface of the second moving plate 19, a second fixing plate 6 is fixed at one end of the upper surface of the mounting plate 1 far away from the side of the rotating motor 13, an output end of the rotating motor 13 faces towards one end near the second fixing plate 6, two knife grinding rollers 25 attached to each other are fixed on an outer ring surface of the output end of the rotating motor 13, a third moving plate 20 is fixed at a bottom of a side of the second moving plate 19 near the side surface of the second fixing plate 6, a connecting plate 21 is fixed at a side of the upper surface of the third moving plate 20 far away from the second moving plate 19, a first baffle 22 is mounted at a side of the connecting plate 21 near the knife grinding roller 25, an arc plate 24 is fixed at a side of the first baffle 22 near the knife grinding roller 25 under the knife grinding roller 25, a second baffle plate 23 is fixed on one side of the arc plate 24 far away from the first baffle plate 22, a second hydraulic cylinder 8 is installed at the upper end of the second fixed plate 6 near to one side surface of the rotating motor 13, a second limiting plate 12 is fixed on one end surface of the second hydraulic cylinder 8 far away from the second fixed plate 6, the output end of the second hydraulic cylinder 8 penetrates through the two side surfaces of the corresponding position on the second limiting plate 12, a first movable plate 18 is fixed at the output end of the second hydraulic cylinder 8, when the part of the sharpening roll 25 adhered with scraps rotates into water inside the first baffle plate 22, the second baffle plate 23 and the arc plate 24, the water inside the first baffle plate 22, the second baffle plate 23 and the arc plate 24 can clean and remove the scraps adhered on the sharpening roll 25, the sharpening roll 25 is facilitated to be used, the knife sharpening roller is beneficial to removing the scraps adhered to the knife during sharpening the knife on the knife sharpening roller 25, avoiding the scraps adhered to the knife sharpening roller 25 from affecting the flatness of the corresponding position on the knife sharpening roller 25, being beneficial to ensuring the flatness on the knife sharpened by the knife sharpening device and being convenient for ensuring the knife sharpening effect on the knife.

Wherein, the lower side of the first baffle 22 is in a cambered surface state, the lower side of the second baffle 23 is in a cambered surface state, the upper side of the arc plate 24 is in a concave cambered surface state, the lower side of the arc plate 24 is in a convex cambered surface state, bolts are inserted between the two ends of the first baffle 22 and the corresponding positions on the connecting plate 21 in a common thread way, and the connecting plate 21 can support and limit the first baffle 22; the second limiting plate 12 is in a vertical state, the first clamping block 14 in a horizontal state is fixed on the lower surface of the second limiting plate 12, the first moving plate 18 is in a vertical state, the second clamping block 15 in a horizontal state is fixed on the lower surface of the first moving plate 18, and the second limiting plate 12 can fix and limit the first clamping block 14.

A first clamping pad 16 which is matched and attached is fixed on the surface of one side of the first clamping block 14, which is close to the second clamping block 15, a second clamping pad 17 which is matched and attached is fixed on the surface of one side of the second clamping block 15, which is close to the first clamping block 14, and the first clamping pad 16 and the second clamping pad 17 are beneficial to clamping and fixing a cutter needing sharpening; the four corners of the surface of the second limiting plate 12, which is close to one side of the second fixing plate 6, are respectively fixed with a second fixing rod 10, the second fixing rods 10 are in a horizontal state, one ends of the second fixing rods 10, which are far away from the second limiting plate 12, are respectively fixedly connected with corresponding positions on the second fixing plate 6, and the second fixing rods 10 are helpful for limiting the positions between the second limiting plate 12 and the second fixing plate 6.

The first fixing plate 5 is fixed at one end, close to the rotating motor 13, of the upper surface of the mounting plate 1, far away from the second fixing plate 6, a first hydraulic cylinder 7 in a horizontal state is mounted in the middle of the surface, close to the rotating motor 13, of the first fixing plate 5, the first hydraulic cylinder 7 is in a horizontal state, the output end of the first hydraulic cylinder 7 faces the rotating motor 13 and is fixedly connected with a corresponding position on the rotating motor 13, and the first hydraulic cylinder 7 is helpful for driving the rotating motor 13 to move; the four corners of the surface of the rotating motor 13, which is close to one end of the first hydraulic cylinder 7, are respectively fixed with a first fixed rod 9, one end of the first fixed rod 9, which is far away from the rotating motor 13, is positioned outside the output end of the first hydraulic cylinder 7, and is fixedly connected with a first limiting plate 11 together, and the first limiting plate 11 is fixedly connected with a corresponding position on the output end of the first hydraulic cylinder 7, and the first fixed rod 9 and the first limiting plate 11 are beneficial to limiting the output end of the first hydraulic cylinder 7 and the rotating motor 13; clamping blocks 26 are jointly fixed on two sides of the lower surface of the second moving plate 19 and two sides of the lower surface of the third moving plate 20, clamping grooves 27 which are matched and in a horizontal state are formed in the upper surface of the mounting plate 1 corresponding to the clamping blocks 26, supporting rods 2 are fixedly arranged at two ends and in the middle of two sides of the lower surface of the mounting plate 1, supporting frames 3 are jointly fixed between the lower end surfaces of the supporting rods 2, supporting legs 4 are fixedly arranged at four corners of the lower surface of each supporting frame 3, and the supporting legs 4 can support and limit the supporting frames 3 and are beneficial to using the supporting frames 3.

The working principle of the utility model is as follows: in the process of using, place this sharpedge grinding machine steadily in the position that needs to use through supporting leg 4, supporting leg 4 can support and spacing to supporting frame 3, helps stable use supporting frame 3, and supporting frame 3 can support and spacing bracing piece 2, and the stable use bracing piece 2 of being convenient for, bracing piece 2 can support and spacing each part subassembly of assembling on mounting panel 1 and mounting panel 1, helps stable use each part subassembly of assembling on mounting panel 1 and mounting panel 1.

After the knife grinder is stably placed at the position required to be used, a cutter required to be sharpened is further placed between the opposite surfaces of the second limiting plate 12 and the first moving plate 18, and the cutter edge of the cutter required to be sharpened is downward, so that the cutter edge of the cutter is positioned below the position between the first clamping block 14 and the second clamping block 15, the second hydraulic cylinder 8 on the second fixing plate 6 is further opened, the mounting plate 1 can support and limit the second fixing plate 6, the second fixing plate 6 is beneficial to stably using the second fixing plate 6, the second fixing plate 6 can support and limit the second hydraulic cylinder 8, the second fixing plate 6 can support and limit the second fixing rod 10, the second fixing rod 10 is beneficial to stably using the second fixing rod 10, the second limiting plate 12 can support and limit the second limiting plate 12, the second fixing plate 12 can support and limit the second hydraulic cylinder 8, the second fixing plate 12 can stably output the second hydraulic cylinder 8, and the second fixing plate 8 can stably output the second hydraulic cylinder 8.

Under the state that second pneumatic cylinder 8 was opened, the output of second pneumatic cylinder 8 can drive first movable plate 18 and remove towards second limiting plate 12, can drive second grip block 15 and remove towards first grip block 14 when first movable plate 18 removes, first movable plate 18 can fix and spacing second grip block 15, help stable use second grip block 15, second limiting plate 12 can fix and spacing first grip block 14, the stable use of being convenient for first grip block 14, can drive second grip pad 17 and remove towards first grip pad 16 on the first grip block 14 when second grip block 15 removes, second grip block 15 can fix and spacing second grip pad 17, help stable use second grip pad 17, first grip block 14 can fix and spacing first grip pad 16, the stable use of first grip pad 16 is facilitated, second grip block 15 drives first grip pad 16 on second grip block 17 and carries out first grip pad 16 and carry out stable knife grip pad 16 with first grip pad 14, the second grip pad 15 can be driven by second grip pad 15.

Further pour into the water that needs to use to the inboard of first baffle 22, second baffle 23 and arc 24, make contact between the inboard water of first baffle 22, second baffle 23 and arc 24 and the downside of sharpening roll 25, second movable plate 19 can support and spacing to rotating motor 13, help stable use to rotating motor 13, third movable plate 20 can support and spacing connecting plate 21, be convenient for stable use to connecting plate 21, connecting plate 21 can support and spacing through the bolt to first baffle 22, first baffle 22 can support and spacing arc 24, arc 24 can support and spacing second baffle 23, help stable first baffle 22, second baffle 23 and arc 24 use, further open rotating motor 13, the output of rotating motor 13 can drive the rotation of sharpening roll 25 under the state that rotating motor 13 opened, can make the water adhesion in the outside of sharpening roll 25 when the roll 25, help the roll 25 to sharpen the knife.

Further open first pneumatic cylinder 7 on the first fixed plate 5, mounting panel 1 can support and spacing first fixed plate 5, help stable use first fixed plate 5, first fixed plate 5 can support and spacing first pneumatic cylinder 7, be convenient for stable use first pneumatic cylinder 7, under the state that first pneumatic cylinder 7 was opened, the output of first pneumatic cylinder 7 can drive rotation motor 13 along the horizontal direction and move towards the one end that is close to second fixed plate 6 on mounting panel 1, first dead lever 9 and first limiting plate 11 can carry out spacing between the output of first pneumatic cylinder 7 and rotation motor 13, help stable promotion to rotation motor 13 of output of first pneumatic cylinder 7, can drive roller 25 through the output when rotation motor 13 removes, can drive second movable plate 19 and remove when rotation motor 13 removes, can drive third movable plate 20 and remove when the second movable plate 19 removes, can drive connecting plate 21, second baffle 25 and second baffle arc to move when third movable plate 20 moves.

The second movable plate 19 can drive the fixture block 26 to move along the draw-in groove 27 on the mounting panel 1 in the horizontal direction when moving with the third movable plate 20, the mounting panel 1 can be through draw-in groove 27 and fixture block 26 to carry out spacing to second movable plate 19 and third movable plate 20, help stable to remove second movable plate 19 and third movable plate 20, when sharpening roll 25 contacts with the cutter, the sharpening roll 25 of laminating side by side can sharpen the cutter, when sharpening roll 25 sharpens the cutter, the easy adhesion piece on the sharpening roll 25, the part of adhesion piece on the sharpening roll 25 rotates to first baffle 22, when second baffle 23 and the inboard water of arc 24, first baffle 22, second baffle 23 and the inboard water of arc can clear up the piece of adhesion on the sharpening roll 25, help using the sharpening roll 25, the number of times that sharpening roll 25 needs reciprocating motion to be helped to the sharpening roll 25 in proper order to rotate the sharpening roll 25, the work efficiency of sharpening roll 25 is convenient for lifting the cutter.

In the process of giving that uses, clearance on can be convenient to sharpening roller 25 is favorable to getting rid of the piece of adhesion when polishing to the cutter on the sharpening roller 25, avoids the piece of adhesion to influence the leveling of corresponding position on the sharpening roller 25, is favorable to guaranteeing the leveling on the cutter of sharpening, is convenient for guarantee the effect of sharpening to the cutter.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Knife grinder, including mounting panel (1), its characterized in that: the middle part of mounting panel (1) upper surface one side is followed horizontal direction slidable mounting and is had second movable plate (19), the upper surface mounting of second movable plate (19) has rotation motor (13), the one end that rotation motor (13) one side was kept away from to mounting panel (1) upper surface is fixed with second fixed plate (6), the one end that is close to second fixed plate (6) is oriented to the output of rotation motor (13), be fixed with two sharpening rolls (25) that laminate mutually on the outer ring face of rotation motor (13) output, the bottom of second movable plate (19) one side surface that is close to second fixed plate (6) is fixed with third movable plate (20), one side that second movable plate (20) upper surface kept away from second movable plate (19) is fixed with connecting plate (21), one side that connecting plate (21) is close to sharpening roll (25) is installed first baffle (22), one side that first baffle (22) is close to sharpening roll (25) is located the below of sharpening roll (25) is fixed with arc plate (24), one side that first baffle (24) are kept away from first baffle (22) is fixed with second motor (23), the bottom of second movable plate (19) one side that is close to second baffle (6) one side that is close to second movable plate (8) is fixed with arc cylinder (8), the output end of the second hydraulic cylinder (8) penetrates through the surfaces of two sides of the corresponding position on the second limiting plate (12), and the output end of the second hydraulic cylinder (8) is fixed with a first moving plate (18).

2. The knife sharpener of claim 1, wherein: the lower side of first baffle (22) is the cambered surface state, and the downside of second baffle (23) is the cambered surface state, and the upside of arc (24) is indent cambered surface state, and the downside of arc (24) is evagination cambered surface state, and the both ends of first baffle (22) all are equipped with the bolt with the corresponding position on connecting plate (21) between the common screw thread.

3. The knife sharpener of claim 2, wherein: the second limiting plate (12) is in a vertical state, a first clamping block (14) in a horizontal state is fixed on the lower surface of the second limiting plate (12), the first moving plate (18) is in a vertical state, and a second clamping block (15) in a horizontal state is fixed on the lower surface of the first moving plate (18).

4. A knife grinder according to claim 3, wherein: a first clamping pad (16) matched and attached is fixed on the surface of one side, close to the second clamping block (15), of the first clamping block (14), and a second clamping pad (17) matched and attached is fixed on the surface of one side, close to the first clamping block (14), of the second clamping block (15).

5. The knife sharpener of claim 4, wherein: the four corners of the second limiting plate (12) close to one side surface of the second fixing plate (6) are respectively fixed with a second fixing rod (10), the second fixing rods (10) are in a horizontal state, and one ends of the second fixing rods (10) far away from the second limiting plate (12) are respectively fixedly connected with corresponding positions on the second fixing plate (6).

6. The knife sharpener of claim 5, wherein: one end of the upper surface of the mounting plate (1), which is close to one side of the rotating motor (13) and far away from the second fixing plate (6), is fixedly provided with a first fixing plate (5), a first hydraulic cylinder (7) in a horizontal state is mounted in the middle of the upper surface of the first fixing plate (5), which is close to one side of the rotating motor (13), the first hydraulic cylinder (7) is in a horizontal state, and the output end of the first hydraulic cylinder (7) faces the rotating motor (13) and is fixedly connected with the corresponding position on the rotating motor (13).

7. The knife sharpener of claim 6, wherein: the four corners that rotation motor (13) are close to first pneumatic cylinder (7) one end surface all are fixed with first dead lever (9), and the one end that rotation motor (13) was kept away from to first dead lever (9) is located the outside of first pneumatic cylinder (7) output and is fixed with first limiting plate (11) jointly, is connected fixedly between corresponding position on first limiting plate (11) and the first pneumatic cylinder (7) output.

8. The knife sharpener of claim 7, wherein: clamping blocks (26) are jointly fixed on two sides of the lower surfaces of the second moving plate (19) and the third moving plate (20), clamping grooves (27) which are matched and in a horizontal state are formed in the upper surface of the mounting plate (1) corresponding to the clamping blocks (26), supporting rods (2) are fixedly arranged at two ends and the middle of two sides of the lower surface of the mounting plate (1), supporting frames (3) are jointly fixed between the lower end surfaces of the supporting rods (2), and supporting legs (4) are fixedly arranged at four corners of the lower surface of the supporting frames (3).