Garden tool door type double-sided synchronous sanding device

Abstract

The utility model relates to a kind of garden tool production equipment, specifically a kind of garden tool door type double-face synchronous sanding device.The purpose is to provide a kind of garden tool door type double-face synchronous sanding device, the device should be able to improve the degree of automation of mower blade production line and maintenance efficiency.The technical scheme is garden tool door type double-face synchronous sanding device, including the portal of being equipped with pedestrian passageway, the lifting mechanism located in the one side of portal, the swing mechanism located in the top of portal and the guide mechanism, sanding mechanism and turnover mechanism sequentially arranged from top to bottom in the other side of portal.

Description

Technical Field

[0001] This utility model relates to a garden knife production equipment, specifically a garden knife gate-type double-sided synchronous sanding device. Background Technology

[0002] A lawnmower is a type of garden machinery commonly used for trimming lawns and vegetation. It consists of a walking mechanism, engine, blades, handles, and control devices. Lawnmower blades come in various designs, including single-tooth, three-tooth, 40-tooth, 60-tooth, and 80-tooth shapes. The thicker the plant stem, the more teeth the blade needs to cut. Single-tooth blades are primarily used for cutting tender grass.

[0003] The production process of this straight blade is as follows: 1. Unwind the coiled hot-rolled steel strip; 2. Punch the center hole of the blade into the steel strip; 3. Cut the steel strip into individual blades; 4. Mill the cutting edges on both sides of the blade; 5. Polish the blade surface; 6. Stamp the blade surface. The purpose of step 5, surface polishing, is to remove the oxide layer and burrs from the blade surface due to the oxide layer on the surface of the hot-rolled steel strip and the burrs generated during the aforementioned processing.

[0004] The current operating method requires manual feeding of each blade into a polishing machine (available on the market), which is not compatible with existing lawnmower blade production lines, resulting in a low level of automation.

[0005] On the other hand, blade production requires multiple processes, so the entire lawnmower blade production line is at least 16 meters long. If a mechanism in the production line malfunctions and the operator needs to go to the other side of the production line to troubleshoot, they cannot directly cross over the production line and must go around from both ends of the production line, which is a long walking distance, time-consuming and inefficient. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings in the above-mentioned background technology and provide a garden knife gate-type double-sided synchronous sanding device, which should improve the automation level and maintenance efficiency of lawnmower blade production line.

[0007] The technical solution of this utility model is:

[0008] A gate-type double-sided synchronous sanding device for garden knives includes a gantry with a pedestrian passage, a lifting mechanism on one side of the gantry, a shunting mechanism on the top of the gantry, and a guiding mechanism, a sanding mechanism, and a flipping mechanism arranged sequentially from top to bottom on the other side of the gantry.

[0009] The lifting mechanism includes an inclined chain conveyor, with supports for supporting the blades on the chains on both sides of the chain conveyor, and loading cylinders and unloading cylinders respectively at the bottom and top of the chain conveyor.

[0010] The transfer mechanism includes an arm, a transfer motor that drives the arm to swing on both sides of the gantry, an arm translation module that moves the arm horizontally, a rotary motor located at the front end of the arm, and a gripper driven by the rotary motor that can grasp the blade.

[0011] The gripper has two openable fingers with stepped gripping surfaces.

[0012] The guiding mechanism includes a pair of rollers driven by a roller motor, a roller translation module for adjusting the horizontal distance between the rollers, and an upper sensor disposed above the rollers.

[0013] The sanding mechanism includes two sanding belts arranged in an inverted V shape and a sanding belt power module that drives the sanding belts.

[0014] The flipping mechanism includes a support platform, a lifting module for driving the support platform to move up and down, and an output cylinder for driving the support platform to flip; the support platform is provided with a groove for inserting blades.

[0015] The side of the support platform is also equipped with a pair of limiting wheels to guide the tipping of the blades.

[0016] The device is also equipped with controllers for the electrically connected lifting mechanism, transfer mechanism, guiding mechanism, grinding mechanism and tilting mechanism.

[0017] The beneficial effects of this utility model are:

[0018] The lifting mechanism of this invention first transports the blade from bottom to top, then the transfer mechanism moves the blade to the other side of the pedestrian walkway. Next, the guide mechanism and the flipping mechanism position the blade from top to bottom, allowing the grinding mechanism to remove the oxide layer and burrs from the blade surface. Finally, the flipping mechanism ejects the blade outwards. The entire grinding process is entirely machine-operated, integrating the milling and stamping steps, achieving fully automated production of lawnmower blades and significantly improving production efficiency. Simultaneously, this invention also provides a manual passageway, allowing operators to safely pass along both sides of the production line, reducing walking distance and time, improving work efficiency, facilitating equipment maintenance, and ensuring production safety. Attached Figure Description

[0019] The following describes some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a three-dimensional structural diagram of the present invention (the gantry is omitted).

[0022] Figure 3 This is a schematic diagram of the main structure of this utility model.

[0023] Figure 4 This is a three-dimensional structural diagram of the lifting mechanism of this utility model.

[0024] Figure 5 This is a three-dimensional structural diagram of the first transmission machine.

[0025] Figure 6 This is a left-side structural schematic diagram of the ferry mechanism, guiding mechanism, grinding mechanism and flipping mechanism of this utility model.

[0026] Figure 7 This is a three-dimensional structural diagram of the ferry mechanism of this utility model.

[0027] Figure 8 This is a schematic diagram of the left-side structure of the guiding mechanism of this utility model.

[0028] Figure 9 This is a three-dimensional structural diagram of the sanding mechanism of this utility model.

[0029] Figure 10 This is a three-dimensional structural diagram of the grinding mechanism and blade of this utility model.

[0030] Figure 11 This is one of the main view structural schematic diagrams of the flipping mechanism of this utility model.

[0031] Figure 12 This is the second schematic diagram of the main structure of the flipping mechanism of this utility model.

[0032] Figure 13 This is a top view of the support platform of the flipping mechanism of this utility model.

[0033] Figure 14 This is a schematic diagram illustrating the working principle of this utility model.

[0034] Figure label:

[0035] 1. Gantry; 1.1 Pedestrian walkway; 1.2 Baffle; 2. Lifting mechanism; 2.1 Chain; 2.2 Support; 2.3 Conveyor drive wheel; 2.4 Conveyor driven wheel; 2.5 Conveyor motor; 2.8 Loading cylinder; 2.9 Unloading cylinder; 3. Transfer mechanism; 3.1 Arm; 3.2 Transfer motor; 3.3 Rotary motor; 3.4 Gripper; 3.4 Fingers; 3.4.1 Gripping surface; 3.4.2 Base; 3.5 Translation guide rail; 3.6 Guide mechanism; 4.1 Rollers; 4.1.1 Fixed rollers; 4.1.2 Movable rollers. 4.2 Roller translation module, 4.3 Upper sensor, 5 Sanding mechanism, 5.1 Sanding belt, 5.2 Sanding belt drive wheel, 5.3 Sanding belt driven wheel, 5.4 Sanding belt tension wheel, 5.5 Sanding belt motor, 5.6 Triangular space, 6 Tilting mechanism, 6.1 Support platform, 6.1.1 Base plate, 6.1.2 Support plate, 6.1.3 Groove, 6.2 Output cylinder, 6.3 Lifting guide rail, 6.4 Slider, 6.5 Limit wheel, 8.1 First conveyor, 8.1.1 Support plate, 8.1.2 Notch, 8.2 Second conveyor, 9 Blade. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0037] like Figure 1 As shown, the garden knife gate-type double-sided synchronous sanding device includes a gate frame 1, a lifting mechanism 2, a transfer mechanism 3, a guiding mechanism 4, a sanding mechanism 5, a flipping mechanism 6, and a controller (omitted in the figure).

[0038] The lifting mechanism, the sling mechanism, the guiding mechanism, the grinding mechanism, and the flipping mechanism are arranged sequentially along the movement path of the blade. Figure 14 (As indicated by the middle arrow), the transfer mechanism is located at the top of the gantry, the lifting mechanism and the sanding mechanism are located on opposite sides of the gantry, and the guide mechanism and the tilting mechanism are located above and below the sanding mechanism, respectively. The controller is electrically connected to the lifting mechanism, the transfer mechanism, the guide mechanism, the sanding mechanism, and the tilting mechanism. The controller is existing technology.

[0039] The working principle of this utility model is as follows: the blade 9 with the milled edge is located at the normal ground height on one side of the gantry. The lifting mechanism transports the blade to the top, the transfer mechanism grabs the blade and transfers it to the other side of the gantry, the guide mechanism guides the blade vertically downward through the sanding mechanism for polishing, the flipping mechanism catches the bottom of the blade and guides the blade to descend synchronously, and finally the flipping mechanism sends the blade backward for the next step of stamping.

[0040] 1. Gantry

[0041] The gantry is a U-shaped frame, with a pedestrian walkway 1.1 at the bottom, allowing operators to pass through both sides of the lawnmower blade production line, thus improving work efficiency. The gantry also has baffles 1.2 extending to the sides and upwards along its edges, completely separating the pedestrian walkway from the lifting mechanism, transfer mechanism, guiding mechanism, sanding mechanism, and tilting mechanism to ensure operator safety.

[0042] 2. Lifting mechanism

[0043] The lifting mechanism includes a chain conveyor, a loading cylinder 2.8, and an unloading cylinder 2.9. For example... Figure 4 As shown, the chain conveyor is used to lift the blades so that the transfer mechanism at the top of the gantry can grab the blades, which are then moved across the pedestrian walkway and from one side of the gantry to the other side by the transfer mechanism.

[0044] The chain conveyor is arranged at an angle, with chains 2.1 on both sides. Several supports 2.2 are mounted on the chains. The two ends of the blades are mounted on the supports and the blades are in an inclined state (the angle between the side of the blade and the ground is less than 90 degrees). The blades are not easy to fall off when moving upward. Each side of the chain is equipped with a conveyor drive wheel 2.3 and a conveyor driven wheel 2.4. The conveyor drive wheel on each side is driven by a conveyor motor 2.5.

[0045] The loading cylinder is located at the bottom (feeding side) of the chain conveyor, and its piston rod points towards the front of the chain conveyor (the side where the chain moves upward). The unloading cylinder is located at the top (discharge side) of the chain conveyor, and its piston rod points towards the back of the chain conveyor (the side where the chain moves downward).

[0046] The working steps of the lifting mechanism are:

[0047] (1) As Figure 5 As shown, the first conveyor 8.1 of the lawnmower blade production line moves the blades with milled edges from the previous step between the loading cylinder and the chain conveyor. The blades lean against the support plate 8.1.1 of the conveyor, and the end of the support plate is provided with a notch 8.1.2.

[0048] (2) The piston rod of the loading cylinder extends to push the blade off the first conveyor, and the blade is transferred from the first conveyor to the bottom support of the chain conveyor.

[0049] (3) The chain conveyor drives the blades to move upward layer by layer;

[0050] (4) When the blade moves to the top of the chain conveyor, the piston rod of the unloading cylinder extends to push the blade off the support, and the blade is transferred from the chain conveyor to the transfer mechanism.

[0051] 3. Shuttle service

[0052] The transfer mechanism is located at the top of the gantry (above the pedestrian walkway) and is used to transfer the blades on one side of the gantry to the other side.

[0053] like Figure 7 As shown, the ferry mechanism includes an arm 3.1, a ferry motor 3.2, a rotary motor 3.3, a gripper 3.4, and an arm translation module.

[0054] The arm translation module is used to drive the arm to move horizontally, so that the arm moves closer to or away from the lifting mechanism. The arm translation module includes a translation guide rail 3.6 fixed to the top of the gantry, a base 3.5 that can move horizontally along the translation guide rail, and a translational force assembly (prior art, omitted in the figure) that provides power for the movement of the base.

[0055] The arm is swayably positioned on the base. A swing motor is mounted on the base to drive the arm to swing on both sides of the gantry. A rotary motor and grippers are mounted at the front end of the arm. The grippers are used to grab the blades, and the rotary motor is used to drive the grippers to rotate.

[0056] The gripper is a pneumatic gripper (existing technology). The gripper has two openable fingers 3.4.1. The inner side of the fingers (the side facing the blade) has a stepped gripping surface 3.4.2. The gripping surface is adapted to the shape of the blade, which can ensure that the blade is close to the fingers and that the two sides of the blade are accurately gripped when the fingers are closed.

[0057] The working steps of the shuttle service are:

[0058] (1) When the blade moves to the top of the chain conveyor, the ferry motor rotates the arm to the side of the chain conveyor (the arm is in a horizontal position);

[0059] (2) The arm translation module brings the arm closer to the chain conveyor, shortening the distance between the gripper and the blade to be taken away;

[0060] (3) The piston rod of the unloading cylinder extends, and the blade placed at an angle on the bracket is pushed into the gripper by the piston rod. The blade is close to the step surface of the gripper fingers (the side of the blade is perpendicular to the ground). The fingers close together to clamp the two sides of the middle part of the blade. The length direction of the blade is parallel to the ground and the length direction of the arm.

[0061] (4) The arm translation module moves the arm away from the chain conveyor;

[0062] (5) The swing motor drives the arm to rotate to the other side of the gantry, and the rotary motor also drives the gripper to rotate synchronously.

[0063] (6) The arm rotates to the side of the sanding mechanism, the arm rotates a total of 180 degrees (the arm is in a horizontal state), the gripper rotates a total of 90 degrees, the length direction of the blade is perpendicular to the ground and the length direction of the arm, and the bottom end of the blade is inserted into the guide mechanism.

[0064] (7) The guide mechanism clamps the blade, and the jaws open to release the blade.

[0065] 4. Guiding mechanism

[0066] The guiding mechanism, grinding mechanism, and flipping mechanism are located on the other side of the gantry. After the blade is transferred to the other side of the gantry, it is at its highest point. Therefore, the guiding mechanism, grinding mechanism, and flipping mechanism are arranged sequentially from top to bottom so that the blade is polished during its descent.

[0067] The guiding mechanism is used to vertically position the blade and accurately feed it into the grinding mechanism below. For example... Figure 8 As shown, the guiding mechanism includes a pair of rollers 4.1, a roller motor (omitted in the figure) that drives each roller to rotate, a roller translation module 4.2 (existing technology) that adjusts the horizontal distance between the rollers, and an upper sensor 4.3 disposed above the rollers. One of the rollers is a fixed roller 4.1.1, and the other roller is a movable roller 4.1.2. The roller translation module can drive the movable roller to move horizontally, causing the movable roller to move closer to or away from the fixed roller.

[0068] The working steps of the guiding mechanism are:

[0069] (1) The two rollers are separated by a certain distance, and the distance between the rollers is greater than the thickness of the blade;

[0070] (2) When the transfer mechanism moves the blade to one side of the grinding mechanism, the bottom end of the blade is just inserted between the two rollers;

[0071] (3) The upper sensor detects the blade, and the roller translation module drives the movable roller to move closer to the fixed roller so that the two rollers clamp the blade.

[0072] (4) The roller motor starts, driving the blade downward, while the gripper opens to release the blade;

[0073] (5) When the upper sensor does not detect the blade, the roller stops rotating and the roller translation module drives the movable roller away from the fixed roller.

[0074] 5. Grinding mechanism

[0075] As the guide mechanism guides the blade to move vertically downwards, the abrasive mechanism polishes both sides of the blade. The abrasive mechanism includes two abrasive belts 5.1 and an abrasive belt power module that drives the abrasive belts.

[0076] like Figure 9As shown, the two abrasive belts are arranged in an inverted V-shape, meaning the spacing between the belts gradually increases from top to bottom, with the smallest spacing corresponding to the position of the grinding blade. A triangular space 5.6 is formed between the belts. The abrasive belt power module includes a driving belt pulley 5.2, a driven belt pulley 5.3, a belt tensioning pulley 5.4, and a belt motor 5.5 that drives the driving belt pulley. The driven belt pulley is positioned above, and the driving belt pulley is positioned below. The spacing between the driven belt pulleys on both sides is smaller than the spacing between the driving belt pulleys on both sides. The abrasive belt at the position of the driven belt pulley corresponds to the position of the grinding blade. When the blade passes between the driven belt pulleys, the oxide layer and burrs on the blade surface are removed.

[0077] 6. Tilting mechanism

[0078] The flipping mechanism is used in conjunction with the guide mechanism to guide the blade to move downwards.

[0079] The flipping mechanism includes a support platform 6.1, a lifting module, and an output cylinder 6.2. The support platform is arranged in a triangular space, the lifting module is used to drive the support platform to move up and down in the triangular space, and the output cylinder is used to drive the support platform to flip.

[0080] like Figure 6 and Figure 11 As shown, the lifting module includes two vertically arranged lifting guide rails 6.3, a slider 6.4 slidably positioned between the lifting guide rails, and a lifting power component (existing technology, omitted in the figure) that drives the slider to move up and down along the lifting guide rails.

[0081] The support platform includes a base plate 6.1.1 and two support plates 6.1.2 vertically fixed to the base plate, with the support plates maintaining a certain distance between them. The inner side of each support plate has a groove 6.1.3 for inserting a blade. The base plate is rotatably positioned on the slider, the housing of the output cylinder is rotatably positioned on the slider, and the piston rod of the output cylinder is rotatably positioned on the base plate. When the piston rod of the output cylinder retracts, the groove of the support platform faces directly upwards. Figure 11 Above), when the piston rod of the output cylinder extends, the support platform rotates 90 degrees, and the groove of the support platform faces the side ( Figure 12 (Left side).

[0082] The support platform is also equipped with a lower sensor for detecting the blade (omitted in the figure).

[0083] The working steps of the flipping mechanism are:

[0084] (1) The lifting module drives the platform to rise to its highest point, the piston rod of the output cylinder retracts, and the groove of the platform faces directly upward. Figure 11 );

[0085] (2) After the bottom end of the blade passes through the sanding belt, it is immediately inserted into the groove of the support;

[0086] (3) When the lower sensor detects that the blade is inserted into the groove, the lifting module is started, which drives the support and the blade to descend synchronously. During the blade's descent and grinding process, at least one end of the blade is limited and fixed to ensure that the entire grinding process is stable and safe.

[0087] (4) Grinding ends when the blade has completely passed through the abrasive belt. The support table is lowered to the lowest point, and the blade is still inserted on the support table.

[0088] (5) The piston rod of the output cylinder extends, and the support plate rotates 90 degrees outward. Figure 12 (The tray flips to the left), and the blades then fall onto the second conveyor 8.2 of the lawnmower blade production line. Figure 10 The second conveyor drives the blade away from the tray, and the blade is sent to the next step to stamp.

[0089] A pair of limit wheels 6.5 are also installed between the platform and the second conveyor. When the blade is overturned, it first passes between the two lifting guide rails and then between the two limit wheels. The limit wheels will correct the overturning trajectory of the blade, and the blade will finally fall accurately on the second conveyor.

[0090] 7. The following describes the double-sided synchronous grinding process of the blade ( Figure 14 As shown):

[0091] (1) The loading cylinder pushes the blade on the first conveyor 8.1 onto the chain conveyor, and the chain conveyor transports the blade (shown as A in the figure) upward to the top. The unloading cylinder pushes the blade into the gripper.

[0092] (2) The gripper grabs the blade, the arm rotates 180 degrees and the gripper rotates 90 degrees (as shown in B in the figure), the blade is transferred from the right side to the left side, and the bottom of the blade is inserted between the rollers (as shown in C in the figure);

[0093] (3) The roller drives the blade downward (the gripper is released), and the blade passes through the sanding belt (as shown in D in the figure), and the oxide layer and burrs on the blade surface are removed;

[0094] (4) Insert the bottom end of the blade into the support (as shown in D in the figure), and the lifting module drives the support to descend synchronously until the blade completely passes through the sanding belt;

[0095] (5) The output cylinder pushes the tray to rotate 90 degrees, and the blade falls onto the second conveyor 8.2 (as shown in E in the figure), and is sent to the next step for stamping.

[0096] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A garden tool gate type double-sided synchronous sanding device, characterized in that: It includes a gantry with a pedestrian passage (1), a lifting mechanism (2) located on one side of the gantry, a transfer mechanism (3) located on the top of the gantry, and a guide mechanism (4), a sanding mechanism (5) and a flipping mechanism (6) located on the other side of the gantry and arranged from top to bottom. The transfer mechanism includes an arm (3.1), a transfer motor (3.2) that drives the arm to swing on both sides of the gantry, an arm translation module that moves the arm horizontally, a rotary motor (3.3) located at the front end of the arm, and a gripper (3.4) driven by the rotary motor and capable of gripping the blade.

2. The garden tool gate-type double-sided synchronous sanding device according to claim 1, characterized in that: The lifting mechanism includes an inclined chain conveyor, with supports (2.2) for supporting the blades on the chains (2.1) on both sides of the chain conveyor, and loading cylinders (2.8) and unloading cylinders (2.9) respectively at the bottom and top of the chain conveyor.

3. The garden tool gate type double-sided synchronous sanding device according to claim 2, characterized in that: The gripper is equipped with two openable / closeable fingers ( 3.4.1), the gripping surface of the fingers (3.4.2) is stepped.

4. The garden tool gate-type double-sided synchronous sanding device according to claim 3, characterized in that: The guiding mechanism includes a pair of rollers (4.1) driven by a roller motor, a roller translation module (4.2) for adjusting the horizontal distance between the rollers, and an upper sensor (4.3) disposed above the rollers.

5. The garden tool gate-type double-sided synchronous sanding device according to claim 4, characterized in that: The sanding mechanism includes two sanding belts (5.1) arranged in an inverted V shape and a sanding belt power module that drives the sanding belts.

6. The garden tool gate-type double-sided synchronous sanding device according to claim 5, characterized in that: The flipping mechanism includes a platform (6.1), a lifting module for driving the platform to move up and down, and an output cylinder (6.2) for driving the platform to flip; the platform is provided with a groove (6.1.3) for inserting blades.

7. The garden tool gate-type double-sided synchronous sanding device according to claim 6, characterized in that: The side of the support is also provided with a pair of limiting wheels (6.5) to guide the tipping of the blades.

8. The garden tool gate-type double-sided synchronous sanding device according to claim 7, characterized in that: The device is also equipped with controllers for the electrically connected lifting mechanism, transfer mechanism, guiding mechanism, grinding mechanism and tilting mechanism.

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