Automatic cutter grinding device of garden machine

Abstract

The utility model discloses an automatic cutter grinding device of garden machinery, and relates to the technical field of grinding devices. Comprising a shell, a mounting groove is formed in the top end of the shell, a moving mechanism is arranged in the mounting groove in a penetrating mode and comprises a moving frame slidably connected to the top end of the shell, a fixed shell is fixed between the inner walls of the two sides of the moving frame, two sliding frames are slidably connected to the outer wall of the fixed shell, and mounting shells are arranged on the sides, close to each other, of the two sliding frames; fixing blocks are inserted into the sides, close to each other, of the two mounting shells, and knife grinders are fixed to the sides, close to each other, of the two fixing blocks. According to the utility model, the push rod is driven to move downwards by pressing the fixing plate, so that the push block moves downwards, the second spring drives the mounting plate to move, the sliding rod is in contact with the surface of the push block, the connecting rod moves into the insertion shell, and then the fixing piece is lifted to take out the insertion shell while the fixing plate is pressed.

Description

TECHNICAL FIELD

[0001] The utility model relates to whet the technical field of device, concretely is a kind of automatic whet device of tool of garden machinery. BACKGROUND

[0002] Garden machinery, such as mower, tree trimmer, pruning shears, lawn trimmer etc., usually need very sharp tool to complete work efficiently. With the increase of use time, tool will become passivated, affect work efficiency and cutting effect, so it is very important to whet tool regularly, the existing automatic knife sharpener (announcement number:CN212444839U) has the following shortcomings in use:

[0003] In its use process, a plurality of supports are arranged on the mounting frame, and a whetstone is arranged on the support through a tensioning structure, when different types of tools need to be polished, the whetstone is inconvenient to replace, and the whetstone will gradually wear after a long time, resulting in gradually reducing grinding effect, and the whetstone is inconvenient to replace, which can affect the subsequent tool grinding work, therefore, the present patent proposes a kind of automatic whet device of tool of garden machinery to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of automatic whet device of tool of garden machinery to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an automatic whet device of tool of garden machinery, including shell, installation slot is set in the top of shell, mobile mechanism is arranged in the installation slot, mobile mechanism includes the mobile frame of sliding connection in the top of shell, fixed shell is fixed between the two side inner walls of mobile frame, the outer wall of fixed shell is slidingly connected with two sliding frames, the side of two sliding frames close to each other is provided with installation shell, the side of two installation shells close to each other is inserted with fixed block, the side of two fixed blocks close to each other is fixed with whetstone, the top of installation shell is inserted with plug shell, the top of fixed block is provided with limiting port, plug shell is inserted in limiting port, the inner wall of plug shell is slidingly connected with push block, the inner wall of plug shell is slidingly connected with two sliding rods, two sliding rods are respectively in contact with the two ends of push block, the end of two sliding rods away from each other is fixed with mounting plate, the end of mounting plate away from each other is fixed with connecting rod, the bottom of connecting rod is in contact with installation shell and installation shell, the second spring is fixed between the end of mounting plate away from each other and the inner wall of plug shell.

[0006] Preferably, the third spring is fixed between the bottom of push block and the inner wall of plug shell, the top of push block is fixed with push rod, the top of push rod is fixed with fixed plate after penetrating plug shell, the top of plug shell is fixed with fixed part.

[0007] Preferably, the two sliding frames are provided with connecting grooves on the side close to each other, the connecting grooves are slidably connected with moving plates, the moving plates are fixed with moving rods on the side close to each other, the mounting shell is fixed on the side close to each other of the two moving rods, and the first spring is fixed between the mounting shell and the sliding frame.

[0008] Preferably, the moving mechanism further comprises a moving lead screw rotatably connected at two ends of the mounting groove, the outer wall of the moving lead screw is screwed with a first sliding block, the two ends of the mounting groove are fixed with a first limiting rod, the first limiting rod penetrates through the first sliding block, the moving frame is fixed at the top end of the first sliding block, one end of the shell is fixed with a first motor, and the output end of the first motor penetrates through the shell and is fixed with the moving lead screw.

[0009] Preferably, the moving frame is rotatably connected with a double-head lead screw between the inner walls of the two sides, the outer walls of the two ends of the double-head lead screw are screwed with second sliding blocks, the two sliding frames are fixed with the two second sliding blocks respectively, the inner walls of the two sides of the moving frame are fixed with a second limiting rod, the second limiting rod penetrates through the second sliding blocks, one side of the moving frame is fixed with a second motor, and the output end of the second motor penetrates through the moving frame and is fixed with the double-head lead screw.

[0010] Preferably, the top end of the shell is fixed with a blocking frame, the side of the shell is inserted with a storage box, the side of the shell is rotatably connected with a blocking rod, the side of the shell is provided with a magnetic suction block, and the blocking rod and the magnetic suction block are magnetically attracted.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] By pressing the fixed plate, the push rod is driven to move downwards, the push block is moved downwards, the second spring drives the mounting plate to move, the sliding rod is in contact with the surface of the push block, the connecting rod is moved into the plug shell, then the plug shell is taken out by pressing the fixed plate and holding the fixing piece, and then the fixed block is taken out to replace the whetstone. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the moving frame structure schematic diagram of the utility model;

[0015] Figure 3 It is the moving frame sectional view of the utility model;

[0016] Figure 4 It is the mounting shell structure schematic diagram of the utility model;

[0017] Figure 5The utility model discloses a storage box structure schematic diagram.

[0018] In the drawing: 1, shell, 2, fender, 3, moving mechanism, 301, moving screw, 302, first sliding block, 303, first limit rod, 304, moving frame, 4, fixed shell, 5, double -end screw, 6, second sliding block, 7, second limit rod, 8, sliding frame, 9, moving plate, 10, moving rod, 11, first spring, 12, mounting shell, 13, fixed block, 14, whetstone, 15, insert shell, 16, push rod, 17, push block, 18, sliding rod, 19, connecting rod, 20, second spring, 21, third spring, 22, fixed part, 23, fixed plate, 24, storage box, 25, fender rod, 26, magnetic attraction piece. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0020] Garden machinery, such as lawn mower, tree trimmer, pruning shears, lawn trimmer, etc., usually need very sharp cutters to complete the work efficiently. With the increase of use time, the cutter will become blunt, which affects the work efficiency and cutting effect, so it is very important to grind the cutter regularly.

[0021] For example, the utility model discloses a garden tool grinding device, which comprises a base, a grinding mechanism and a cutter. Figures 1-5The utility model provides a technical scheme: a kind of tool automatic sharpening device of garden machinery, including shell 1, the top of shell 1 is equipped with mounting groove, mounting groove is equipped with moving mechanism 3, moving mechanism 3 includes the moving frame 304 of sliding connection in the top of shell 1, fixed shell 4 is fixed between the two side inner walls of moving frame 304, the outer wall of fixed shell 4 is slidably connected with two sliding frames 8, two sliding frames 8 are close to each other side and are equipped with mounting shell 12, two mounting shell 12 are close to each other side and are inserted with fixed block 13, two fixed block 13 are close to each other side and are fixed with whetstone 14, the top of mounting shell 12 is inserted with insert shell 15, the top of fixed block 13 is equipped with limiting port, insert shell 15 is inserted in limiting port, the inner wall of insert shell 15 is slidably connected with push block 17, the inner wall of insert shell 15 is slidably connected with two sliding rods 18, the inner wall of insert shell 15 is equipped with first sliding slot, push block 17 is slidably connected in first sliding slot, the inner wall of insert shell 15 is equipped with second sliding slot, two sliding rods 18 are slidably connected in second sliding slot, two sliding rods 18 respectively with the both ends of push block 17 contact, two sliding rods 18 are away from each other end and are fixed with mounting plate, the end of mounting plate away from each other and are fixed with connecting rod 19, connecting rod 19 is inserted into the bottom end of insert shell 15 and mounting shell 12 and contact, the end of mounting plate away from each other and the inner wall of insert shell 15 between fixed with second spring 20.The bottom end of push block 17 and the bottom end inner wall of insert shell 15 between fixed with third spring 21, the top of push block 17 is fixed with push rod 16, after push rod 16 is inserted into insert shell 15, its top is fixed with fixed plate 23, the top of insert shell 15 is fixed with fixed piece 22.

[0022] It needs to be noted that when whetstone 14 needs to be replaced, by pressing fixed plate 23, push rod 16 is driven to move downwards, so that push block 17 moves downwards, so that second spring 20 drives mounting plate to move, so that sliding rod 18 and push block 17 surface contact, so that connecting rod 19 moves into insert shell 15, then fixed piece 22 is held while pressing fixed plate 23, and insert shell 15 can be taken out, then fixed block 13 can be taken out to replace whetstone 14, and it is more convenient to operate.

[0023] As Figure 1 And Figure 3As shown, the two sliding frames 8 are provided with connecting grooves on the side close to each other, and the connecting grooves are slidably connected with moving plates 9, the two moving plates 9 are fixed with moving rods 10 on the side close to each other, the mounting shell 12 is fixed on the side close to each other of the two moving rods 10, and the first spring 11 is fixed between the mounting shell 12 and the sliding frame 8. The moving mechanism 3 further comprises a moving lead screw 301 rotatably connected at both ends of the mounting groove, a first sliding block 302 screwed on the outer wall of the moving lead screw 301, a first limiting rod 303 fixed between both ends of the mounting groove, the first limiting rod 303 penetrating through the first sliding block 302, a moving frame 304 fixed on the top end of the first sliding block 302, and a first motor fixed on one end of the shell 1, the output end of the first motor penetrating through the shell 1 and fixed with the moving lead screw 301.

[0024] It should be noted that by starting the first motor, the first motor drives the moving lead screw 301 to rotate, the moving lead screw 301 drives the first sliding block 302 to move, the first sliding block 302 drives the moving frame 304 to move, and the moving frame 304 drives the whetstone 14 to move back and forth to grind the tool.

[0025] As shown in the figure, Figure 2 The two sides of the moving frame 304 are rotatably connected with a double-headed screw 5, the two ends of the double-headed screw 5 are screwed with second sliding blocks 6, the two sliding frames 8 are fixed with the two second sliding blocks 6, the two sides of the moving frame 304 are fixed with second limiting rods 7, the second limiting rods 7 penetrate through the second sliding blocks 6, one side of the moving frame 304 is fixed with a second motor, and the output end of the second motor penetrates through the moving frame 304 and is fixed with the double-headed screw 5. The top end of the shell 1 is fixed with a blocking frame 2, one side of the shell 1 is inserted with a storage box 24 for storing new whetstones 14, one side of the shell 1 is rotatably connected with a blocking rod 25, one side of the shell 1 is installed with a magnetic block 26, and the blocking rod 25 is magnetically attracted to the magnetic block 26.

[0026] It should be noted that by starting the second motor, the second motor drives the double-headed screw 5 to rotate, the double-headed screw 5 drives the two second sliding blocks 6 to move, the second sliding blocks 6 drive the two sliding frames 8 to move towards each other or away from each other, thereby conveniently adjusting the distance between the two grinding stones and grinding the grinding stones of different thicknesses. The control mode of the electrical elements in the present scheme is controlled by the external controller matched therewith, and the control circuit can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in the art. Only its use is used, and it is not improved. And the utility model is mainly used to protect the mechanical device, so the control mode and the circuit connection of the utility model are not explained in detail.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended embodiments and their equivalents.

Claims

1. A tool automatic sharpening device of a garden machine, comprising a housing (1), characterized in that: The top end of the shell (1) is provided with a mounting groove, a moving mechanism (3) is arranged in the mounting groove, the moving mechanism (3) comprises a moving frame (304) slidably connected to the top end of the shell (1), a fixed shell (4) fixed between the inner walls of the two sides of the moving frame (304), two sliding frames (8) slidably connected to the outer wall of the fixed shell (4), two installation shells (12) arranged on the side of each of the two sliding frames (8) close to each other, two fixed blocks (13) inserted into the side of each of the two installation shells (12) close to each other, two whetstones (14) fixed to the side of each of the two fixed blocks (13) close to each other, a plug shell (15) inserted into the top end of the installation shell (12), a limiting opening arranged in the top end of the fixed block (13), the plug shell (15) inserted into the limiting opening, a push block (17) slidably connected to the inner wall of the plug shell (15), two sliding rods (18) slidably connected to the inner wall of the plug shell (15), the two ends of the push block (17) respectively in contact with the two sliding rods (18), two installation plates fixed to the ends of the two sliding rods (18) away from each other, two connecting rods (19) fixed to the ends of the two installation plates away from each other, the bottom ends of the installation plate and the installation shell (12) in contact with the connecting rod (19) penetrating the plug shell (15), and a second spring (20) fixed between the inner wall of the plug shell (15) and the end of the installation plate away from each other.

2. The automatic sharpening device for a blade of a garden machine according to claim 1, characterized in that: The bottom end of the push block (17) and the inner wall of the bottom end of the plug shell (15) are fixed with a third spring (21), the top end of the push block (17) is fixed with a push rod (16), the top end of the push rod (16) is fixed with a fixed plate (23) after penetrating the plug shell (15), and the top end of the plug shell (15) is fixed with a fixed piece (22).

3. The automatic sharpening device for a blade of a garden machine according to claim 1, characterized in that: The side of each of the two sliding frames (8) close to each other is provided with a connecting groove, a moving plate (9) is slidably connected in the connecting groove, the side of each of the two moving plates (9) close to each other is fixed with a moving rod (10), the installation shell (12) is fixed to the side of the two moving rods (10) close to each other, and the first spring (11) is fixed between the installation shell (12) and the sliding frame (8).

4. The automatic sharpening device for a blade of a garden machine according to claim 1, characterized in that: The moving mechanism (3) further comprises a moving lead screw (301) rotatably connected to the two ends of the mounting groove, a first sliding block (302) screwed to the outer wall of the moving lead screw (301), a first limiting rod (303) fixed between the two ends of the mounting groove, the first limiting rod (303) penetrating the first sliding block (302), the moving frame (304) fixed to the top end of the first sliding block (302), one end of the shell (1) fixed with a first motor, and the output end of the first motor fixed with the moving lead screw (301) after penetrating the shell (1).

5. The automatic sharpening device for a blade of a garden machine according to claim 1, characterized in that: The double-end screw rod (5) is rotationally connected between the inner walls of the two sides of the moving frame (304), the outer walls of the two ends of the double-end screw rod (5) are screw-connected with the second sliding blocks (6), the two sliding frames (8) are fixed with the two second sliding blocks (6) respectively, the second limiting rods (7) are fixed between the inner walls of the two sides of the moving frame (304), the second limiting rods (7) penetrate through the second sliding blocks (6), one side of the moving frame (304) is fixed with the second motor, and the output end of the second motor penetrates through the moving frame (304) and is fixed with the double-end screw rod (5).

6. The automatic sharpening device for a blade of a garden machine according to claim 1, characterized in that: The top end of the shell (1) is fixed with a blocking frame (2), one side of the shell (1) is inserted with a storage box (24), one side of the shell (1) is rotationally connected with a blocking rod (25), one side of the shell (1) is mounted with a magnetic block (26), and the blocking rod (25) and the magnetic block (26) are magnetically attracted.

Images