Cutter head replacing mechanism of wood chipping machine

Abstract

The utility model belongs to the technical field of chipping machines, and particularly relates to a cutterhead replacing mechanism of a wood chipping machine, which adopts the following scheme that the cutterhead replacing mechanism comprises a shell, the door plate is rotationally connected to the front side of the shell; the number of the fixing mechanisms and the number of the unlocking mechanisms are both two. The number of the chipping mechanisms is two, and each chipping mechanism comprises a motor, a rotating shaft and a cutter head; the motor is fixedly installed on the rear side of the shell, an output shaft of the motor extends to the inner side of the shell, the output shaft of the motor is fixedly connected with the rotating shaft, the outer side of the rotating shaft is in sliding contact with the inner side of the cutter head, and the fixing mechanism comprises a fixing block, a blocking frame, a spring and a spring seat. The cutter head can be unlocked on the rotating shaft by pressing the frame, the cutter head can be detached, then a new cutter head is inserted into the rotating shaft, and the cutter head can be automatically installed by releasing the pressing frame, so that the cutter head is rapid and convenient to use.

Description

A blade changing mechanism for a wood chipper Technical Field

[0001] This utility model relates to the field of wood chipper technology, and in particular to a blade replacement mechanism for a wood chipper. Background Technology

[0002] A wood chipper, also known as a wood slicer, is a type of wood processing equipment. It is widely used in the material preparation stage of production processes in industries such as textiles, papermaking, pulp making, and engineered wood products.

[0003] In existing wood chippers, the blades become dull after prolonged use. Since the blades are directly mounted on the chipper, they are difficult to remove and replace when worn. Therefore, this invention proposes a blade replacement mechanism for a wood chipper to solve the above problems. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of existing wood chipper blades becoming dull after long-term use, and the difficulty in disassembling and replacing worn blades due to the direct mounting of blades on the chipper. Therefore, this invention proposes a blade replacement mechanism for a wood chipper.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A blade changing mechanism for a wood chipper, comprising:

[0007] shell;

[0008] Door panel, which is rotatably connected to the front side of the outer casing;

[0009] The system includes a fixing mechanism and an unlocking mechanism, each consisting of two sets.

[0010] The chipping mechanism consists of two sets, each including a motor, a rotating shaft, and a cutter head.

[0011] The motor is fixedly mounted on the rear side of the housing, and the motor output shaft extends to the inner side of the housing. The motor output shaft is fixedly connected to the rotating shaft, and the outer side of the rotating shaft slides in contact with the inner side of the cutter head.

[0012] As a preferred embodiment of the present invention, the fixing mechanism includes: a fixing block, a blocking frame, a spring, and a spring seat;

[0013] The fixed bracket is fixedly installed on the cutter head, the blocking bracket is slidably connected to the rotating shaft, the blocking bracket is fixedly connected to the spring, the spring is fixedly connected to the spring seat, and the spring seat is fixedly connected to the rotating shaft.

[0014] As a preferred embodiment of this utility model, the unlocking mechanism includes: a fixed frame, a pull rod, a push rod, a pressing frame, and a connecting rod;

[0015] The fixed frame is fixedly installed inside the blocking frame located on the left side. The pull rod is rotatably connected to the blocking frame located above and the blocking frame located below. The pull rod is rotatably connected to the fixed frame. The push rod is rotatably connected to the pressing frame and the fixed frame. The pressing frame is slidably connected to the front side of the rotating shaft. The pressing frame is rotatably connected to the connecting rod. The connecting rod is rotatably connected to the blocking frame located on the right side.

[0016] As a preferred embodiment of this utility model, each of the four fixing blocks is provided with a blocking groove, and each of the four blocking frames is fixedly installed with a blocking block. The blocking block and the inner wall of the blocking groove can be detachably snapped together.

[0017] As a preferred embodiment of this utility model, a vertical sliding groove is provided on the front side of the rotating shaft, and the rear side of the pressing frame is slidably connected to the inner wall of the vertical sliding groove.

[0018] As a preferred embodiment of this utility model, rectangular through holes are provided at both the top and bottom of the outer shell.

[0019] Beneficial effects:

[0020] 1. After the blocking frame engages with the fixed block, the blocking frame can connect the cutter head to the rotating shaft to position the cutter head on the rotating shaft, and the cutter head can be installed on the rotating shaft;

[0021] 2. After the presser is pressed down, the presser can push the push rod and pull the pull rod. The pull rod pulls the blocking frame located on the right side to move to the left, so that the blocking frame located on the right side can move to the left. After the presser pushes the push rod, the push rod can push the fixed frame to move to the right, so that the fixed frame can drive the blocking frame located on the left side to move to the right. When the fixed frame moves to the right, the fixed frame will also pull the two pull rods, so that the two pull rods can pull the two blocking frames closer to each other, so that the four fixed frames can move closer to each other and disengage from the four fixed blocks, thereby unlocking the cutter head and allowing the cutter head to be pulled out and disassembled.

[0022] In this invention, by pressing the pusher on the front side of the rotating shaft, the cutter head can be unlocked on the rotating shaft, allowing for its disassembly. A new cutter head can then be inserted into the rotating shaft, and releasing the pusher will automatically install the cutter head, making the process quick and convenient. Attached Figure Description

[0023] Figure 1 is a front-view three-dimensional view of this utility model;

[0024] Figure 2 is a top-view three-dimensional view of this utility model;

[0025] Figure 3 is a three-dimensional sectional view of the present invention.

[0026] Figure 4 is a magnified three-dimensional view of the rotating shaft and cutter head of this utility model.

[0027] In the diagram: 1. Outer shell; 2. Door panel; 3. Motor; 4. Shaft; 5. Cutter head; 6. Fixing block; 7. Blocking frame; 8. Spring; 9. Spring seat; 10. Fixing frame; 11. Pull rod; 12. Push rod; 13. Pressing frame; 14. Connecting rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example

[0030] Referring to Figures 1-4, a blade changing mechanism for a wood chipper includes...

[0031] Outer shell 1;

[0032] Door panel 2 is rotatably connected to the front side of outer casing 1;

[0033] There are two sets of both the fixing mechanism and the unlocking mechanism.

[0034] The chipping mechanism consists of two sets, including: a motor 3, a rotating shaft 4, and a cutter head 5.

[0035] The motor 3 is fixedly installed on the rear side of the housing 1. The output shaft of the motor 3 extends to the inner side of the housing 1. The output shaft of the motor 3 is fixedly connected to the rotating shaft 4. The outer side of the rotating shaft 4 slides in contact with the inner side of the cutter head 5.

[0036] With the above structure, by pressing the pusher 13 on the front side of the rotating shaft 4, the pusher 13 can unlock the cutter head 5 on the rotating shaft 4, so that the cutter head 5 can be disassembled. Then, a new cutter head 5 can be inserted into the rotating shaft 4, and the pusher 13 can be released to automatically install the cutter head 5, which is quick and convenient.

[0037] As a preferred embodiment of this utility model, the fixing mechanism includes: a fixing block 6, a blocking frame 7, a spring 8, and a spring seat 9;

[0038] The fixed bracket 10 is fixedly installed on the cutter head 5, the blocking bracket 7 is slidably connected to the rotating shaft 4, the blocking bracket 7 is fixedly connected to the spring 8, the spring 8 is fixedly connected to the spring seat 9, and the spring seat 9 is fixedly connected to the rotating shaft 4. After the blocking bracket 7 engages with the fixed block 6, the blocking bracket 7 can connect the cutter head 5 to the rotating shaft 4 to position the cutter head 5 on the rotating shaft 4, so that the cutter head 5 can be installed on the rotating shaft 4.

[0039] As a preferred embodiment of this utility model, the unlocking mechanism includes: a fixed frame 10, a pull rod 11, a push rod 12, a push frame 13, and a connecting rod 14;

[0040] The fixed frame 10 is fixedly installed inside the blocking frame 7 located on the left side. The pull rod 11 is rotatably connected to both the blocking frame 7 located above and below. The pull rod 11 is rotatably connected to the fixed frame 10. The push rod 12 is rotatably connected to the pressing frame 13 and the fixed frame 10. The pressing frame 13 is slidably connected to the front side of the rotating shaft 4. The pressing frame 13 is rotatably connected to the connecting rod 14. The connecting rod 14 is rotatably connected to the blocking frame 7 located on the right side. After the pressing frame 13 is pressed down, it can push the push rod 12 and pull the pull rod 11. The pull rod 11 pulls the blocking frame 7 located on the right side. The side-positioned blocking bracket 7 moves to the left, allowing the right-positioned blocking bracket 7 to move to the left. After the pressing bracket 13 pushes the pushing rod 12, the pushing rod 12 can push the fixing bracket 10 to the right, allowing the fixing bracket 10 to move the left-positioned blocking bracket 7 to the right. When the fixing bracket 10 moves to the right, it will also pull two pulling rods 11, which will pull the two blocking brackets 7 closer together, allowing the four fixing brackets 10 to move closer together and disengage from the four fixing blocks 6, thereby unlocking the cutter head 5. The cutter head 5 can then be pulled out and disassembled.

[0041] As a preferred embodiment of this utility model, each of the four fixing blocks 6 is provided with a blocking groove, and each of the four blocking brackets 7 is fixedly installed with a blocking block. The blocking block can be detachably engaged with the inner wall of the blocking groove. After the blocking block is inserted into the inner side of the blocking groove, the blocking block can prevent the fixing block 6 from moving, thereby realizing the installation of the cutter head 5.

[0042] As a preferred embodiment of this utility model, a vertical slide groove is provided on the front side of the rotating shaft 4, and the rear side of the pressing frame 13 is slidably connected to the inner wall of the vertical slide groove. The vertical slide groove is used to install the pressing frame 13, so that the pressing frame 13 can stably control the movement of the fixed frame 10 on the rotating shaft 4.

[0043] As a preferred embodiment of this utility model, rectangular through holes are provided at the top and bottom of the outer shell 1, which are used for the entry and exit of wood.

[0044] It should be noted that the specific model of motor 3 used is to be selected by those skilled in the art, and the motor 3 and other related technologies mentioned above are all existing technologies, which will not be elaborated upon in this solution.

[0045] The working principle of this utility model is as follows: When wood needs to be chipped, two motors 3 are first started. The two motors 3 drive two rotating shafts 4 and two blade discs 5 to rotate. Then, the wood is put in from the top of the outer casing 1, and the two blade discs 5 can chip the wood. After long-term use, the blade discs 5 become dull and need to be replaced. Simply open the outer casing 1 through the door panel 2, and then press the pusher 13. After the pusher 13 is pressed down, it pushes the push rod 12 and pulls the pull rod 11. The pull rod 11 pulls the blocking frame 7 located on the right side to the left, so that the blocking frame 7 located on the right side can move to the left. After the pusher 13 pushes the push rod 12, the push rod 12 pushes the fixed frame 10 to the right, so that... The fixed frame 10 can move the blocking frame 7 located on the left to the right. When the fixed frame 10 moves to the right, it will also pull two pulling rods 11. The two pulling rods 11 can pull the two blocking frames 7 closer together, so that the four fixed frames 10 can move closer together and disengage from the four fixed blocks 6, thereby unlocking the cutter head 5. The cutter head 5 can then be pulled out and disassembled. A new cutter head 5 can then be inserted into the outside of the rotating shaft 4, and the four blocking frames 7 can be released so that they can automatically engage with the four fixed blocks 6. After the blocking frames 7 engage with the fixed blocks 6, they can connect the cutter head 5 to the rotating shaft 4 to position the cutter head 5 on the rotating shaft 4. The cutter head 5 can then be installed on the rotating shaft 4, and the wood can be chipped again.

[0046] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A blade changing mechanism for a wood chipper, characterized in that, Includes an outer shell (1); a door panel (2) rotatably connected to the front side of the outer shell (1); a fixing mechanism and an unlocking mechanism, each consisting of two sets; The chipping mechanism consists of two sets, including a motor (3), a rotating shaft (4), and a cutter head (5). The motor (3) is fixedly installed on the rear side of the housing (1), and the output shaft of the motor (3) extends to the inner side of the housing (1). The output shaft of the motor (3) is fixedly connected to the rotating shaft (4), and the outer side of the rotating shaft (4) slides in contact with the inner side of the cutter head (5).

2. The blade changing mechanism of a wood chipper according to claim 1, characterized in that, The fixing mechanism includes: a fixing block (6), a blocking frame (7), a spring (8), and a spring seat (9); the fixing frame (10) is fixedly installed on the cutter head (5), the blocking frame (7) is slidably connected to the rotating shaft (4), the blocking frame (7) is fixedly connected to the spring (8), the spring (8) is fixedly connected to the spring seat (9), and the spring seat (9) is fixedly connected to the rotating shaft (4).

3. The cutter head changing mechanism of a wood chipper according to claim 1, characterized in that, The unlocking mechanism includes: a fixed frame (10), a pull rod (11), a push rod (12), a push frame (13), and a connecting rod (14); the fixed frame (10) is fixedly installed on the inner side of the blocking frame (7) located on the left side, the pull rod (11) is rotatably connected to the blocking frame (7) located on the upper side and the blocking frame (7) located on the lower side respectively, the pull rod (11) is rotatably connected to the fixed frame (10), the push rod (12) is rotatably connected to the push frame (13) and the fixed frame (10) respectively, the push frame (13) is slidably connected to the front side of the rotating shaft (4), the push frame (13) is rotatably connected to the connecting rod (14), and the connecting rod (14) is rotatably connected to the blocking frame (7) located on the right side.

4. The blade changing mechanism of a wood chipper according to claim 2, characterized in that, Each of the four fixed blocks (6) has a blocking groove, and each of the four blocking frames (7) has a blocking block fixedly installed. The blocking block and the inner wall of the blocking groove can be detached and snapped together.

5. The blade changing mechanism of a wood chipper according to claim 3, characterized in that, The front side of the rotating shaft (4) is provided with a vertical sliding groove, and the rear side of the pressing frame (13) is slidably connected to the inner wall of the vertical sliding groove.

6. The blade changing mechanism of a wood chipper according to claim 1, characterized in that, The top and bottom of the outer casing (1) are provided with rectangular through holes.

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