A grinder head replacement assisting device

Abstract

This application discloses an auxiliary device for changing the grinding head of a grinding machine, comprising: a counterweight, a pedal bracket, a first limiting body, and a third limiting body. The counterweight includes a counterweight portion and a connecting portion, the connecting portion being rotatably connected to the machine frame; one end of the pedal bracket is rotatably connected to the counterweight portion; the first limiting body is fixedly connected to the machine frame and is in contact with one side of the connecting portion; the third limiting body is fixedly connected to the counterweight portion and is in contact with the pedal bracket. This application, through the counterweight and pedal bracket, allows the front end of the grinding machine to be pressed up by one person, and with the balancing effect of the counterweight, the grinding head can be changed, thereby improving the efficiency of the head changing.

Description

Technical Field

[0001] This application relates to the field of grinding machine equipment technology, and in particular to an auxiliary device for changing the cutting head of a grinding machine. Background Technology

[0002] When changing the grinding head of an existing grinding machine, the machine needs to be lifted up. Because the machine itself is heavy, it often requires two people to lift it up, which means that one person cannot complete the grinding head replacement work. This wastes time and reduces work efficiency. Summary of the Invention

[0003] The technical problem to be solved by this application is to address the shortcomings in the above-mentioned background technology. To this end, an auxiliary device for changing grinding machine blades is provided. This application allows one person to change grinding blades, thereby improving work efficiency.

[0004] To achieve the above technical objectives, the technical solution adopted in this application is as follows:

[0005] A grinding mill cutter head replacement auxiliary device includes:

[0006] The counterweight includes a counterweight part and a connecting part, wherein the counterweight part and the connecting part are integrally formed and connected, and the connecting part is rotatably connected to the frame;

[0007] The pedal bracket is a strip-shaped structure, and one end of the pedal bracket is rotatably connected to the counterweight.

[0008] A first limiting body is fixedly connected to the frame, and the first limiting body is in contact with one side of the connecting part and supports the counterweight.

[0009] The third limiting body is fixedly connected to the counterweight and is in contact with the pedal bracket, thus supporting the pedal bracket.

[0010] This application has at least the following beneficial effects:

[0011] Compared to existing grinders that require two people to change the grinding head, this application, through a counterweight and pedal bracket, allows one person to press up the front end of the grinder. Combined with the balancing effect of the counterweight, this enables the replacement of the grinding head, thus improving the efficiency of head replacement. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the counterweight and pedal support of this application.

[0013] Figure 2 This is a three-dimensional structural diagram of the counterweight and pedal bracket retracted in this application.

[0014] Figure 3 This is an exploded perspective view of the pedal bracket, hook assembly, and foot pedal of this application;

[0015] Figure 4 This is a three-dimensional structural diagram of the hook assembly of this application;

[0016] The attached figures are labeled as follows: 10, frame; 11, second limiting body; 12, first limiting body; 20, counterweight; 21, counterweight part; 22, connecting part; 23, connecting block; 24, pin; 25, third limiting body; 26, hook assembly; 261, hook connecting seat; 262, hook body; 263, hook fixing plate; 264, handle; 265, ball catch; 266, notch; 30, gas spring; 40, pedal bracket; 41, foot pedal; 42, limiting groove; 50, locking handle; 51, handle body; 52, lead screw; 60, frame; 61, screw hole; 70, plug. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this application clearer, the application is described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application. All other embodiments obtained by those skilled in the art based on the embodiments provided in this application without inventive effort are within the scope of protection of this application.

[0018] Obviously, the accompanying drawings described below are merely some examples or embodiments of this application. Those skilled in the art can apply this application to other similar scenarios based on these drawings without any inventive effort. Furthermore, it is understood that although the efforts made in this development process may be complex and lengthy, for those skilled in the art related to the content disclosed in this application, any changes to design, manufacturing, or production based on the technical content disclosed in this application are merely conventional technical means and should not be construed as insufficient disclosure of the content of this application.

[0019] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0020] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms “a,” “an,” “an,” “the,” and similar words used in this application do not indicate quantity limitation and may indicate singular or plural. The terms “comprising,” “including,” “having,” and any variations thereof used in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that includes a series of steps or units (elements) is not limited to the listed steps or units, but may also include steps or units not listed, or may include other steps or units inherent to these processes, methods, products, or apparatus. The terms “connected,” “linked,” “coupled,” and similar words used in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms “multiple” / “several” used in this application refer to two or more. “And / or” describes the relationship between related objects, indicating that three relationships may exist; for example, “A and / or B” can indicate: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following objects are in an "or" relationship. The terms "first," "second," and "third" used in this application are merely to distinguish similar objects and do not represent a specific ordering of the objects.

[0021] Please see Figures 1 to 4 This application discloses an auxiliary device for changing the blade of a grinding machine, including: a counterweight 20, a pedal bracket 40, a first limiting body 12, and a third limiting body 25. The counterweight 20 is composed of two parts: a counterweight portion 21 and a connecting portion 22. Preferably, the counterweight portion 21 and the connecting portion 22 are integrally formed and connected. The connecting portion 22 has a strip-like structure, with one end rotatably connected to the frame 10 and the other end integrally formed and connected to the counterweight portion 21. When the counterweight portion 21 moves outward along with the connecting portion 22 (…),… Figure 1(The middle part is on the right) After rotating 180°, the counterweight 21 moves away from the blade, so that when it is necessary to press up the front of the grinder, the counterweight 21 plays an auxiliary role. In order to make it easier to press up the front of the grinder, this application also adds a pedal bracket 40 to the counterweight 20. The pedal bracket 40 is a strip structure. One end of the pedal bracket 40 is rotatably connected to the counterweight 21. When the operator steps on the other end of the pedal bracket 40, the increased torque makes it easier to press up the front of the grinder. In order to provide a support point for the connecting part 22 when rotating, a first limiting body 12 is fixedly connected to the frame 10 of this application. When the counterweight 20 rotates outward, the first limiting body 12 contacts and connects with one side of the connecting part 22 and supports the counterweight 20. Preferably, the first limiting body 12 of this application is a cylindrical structure. The first limiting body 12 of this application can be fixed to the frame 10 by threading or welding. When the worker steps on the other end of the pedal bracket 40, in order to support the pedal bracket 40, this application has a third limiting body 25 fixedly connected to the counterweight part 21. The third limiting body 25 is in contact with the pedal bracket 40 and supports the pedal bracket 40.

[0022] This application adds a counterweight 20. When the counterweight 20 rotates outward, it moves away from the grinding head. When the counterweight 20 is pressed down, it increases the torque for the operator, making it easier for one person to lift the machine and ultimately allowing one person to change the grinding head. To make it even easier for one person to lift the machine, this application also includes a pedal support 40. The pedal support 40 can extend the torque of the counterweight 20, making it easier to press down.

[0023] In a preferred embodiment of this application, a connecting block 23 is integrally formed on the connecting part 22. The connecting block 23 is rotatably connected to one end of the gas spring 30, and the other end of the gas spring 30 is rotatably connected to the frame 10. By setting the gas spring 30, the rotation of the counterweight 20 can be buffered and supported. Preferably, the connecting block 23 of this application is in the form of a triangular structure. The two vertices of the triangular structure are integrally formed and connected to the connecting part 22. Specifically, the two vertices of the triangular structure of this application are integrally formed and connected to one end of the connecting part 22, and the third vertex of the triangular structure is rotatably connected to one end of the gas spring 30 through a connecting shaft.

[0024] As a preferred embodiment of this application, when the counterweight 20 is stored, that is, when it is folded inward (… Figure 1(The middle is the left side) After rotating 180°, in order to support the counterweight 20, this application also provides a second limiting body 11 on the frame 10. The second limiting body 11 can be fixed to the frame 10 by bolts or welding. Preferably, the second limiting body 11 is a connecting block. When the counterweight 20 rotates 180°, the second limiting body 11 contacts and connects with the other side of the connecting part 22, supports the counterweight 20, and also limits the counterweight 20.

[0025] As a preferred embodiment of this application, the pedal bracket 40 of this application is provided with a circular hole, and a rotating pin 24 is provided in the circular hole. One end of the pin 24 is fixedly connected to the counterweight 21. In order to increase the contact area between the pedal bracket 40 and the worker's foot, so that the worker's foot receives less pressure when stepping on the pedal bracket 40, the other end of the pedal bracket 40 of this application is provided with at least two screw holes. A foot pedal 41 is fixedly installed on the pedal bracket 40 by screws screwed into the screw holes. The width of the foot pedal 41 is greater than the thickness of the pedal bracket 40.

[0026] In a preferred embodiment of this application, in order for the counterweight 20 to rotate on the frame 10, the connecting part 22 of this application is provided with a through hole (not shown in the figure), and a rotatably connected connecting shaft (not shown in the figure) is provided in the through hole. One end of the connecting shaft is fixedly connected to the frame 10. Preferably, one end of the connecting shaft is welded to the frame 10, and a baffle 27 is fixedly connected to the other end of the connecting shaft. The baffle 27 is fixedly connected to the connecting shaft by screws. The baffle 27 can prevent the connecting part 22 from slipping off the connecting shaft when rotating.

[0027] In a preferred embodiment of this application, the connecting part 22 and the pedal bracket 40 are fastened together by a hook assembly 26. The hook assembly 26 can lock the pedal bracket 40 to prevent the pedal bracket 40 from rotating arbitrarily when the grinding machine is working. The hook assembly 26 of this application includes a hook connecting seat 261, a hook body 262, and a hook fixing plate 263. The hook connecting seat 261 is fixedly connected to the connecting part 22. Preferably, the hook connecting seat 261 is fixedly connected to the connecting part 22 by screws. One end of the hook connecting seat 261 and the hook body 262 are rotatably connected. The other end of the hook body 262 is provided with a handle 264, which facilitates the rotation of the hook body 262. A retaining ball 265 is provided in the middle of the hook body 262. The retaining ball 265 cooperates with a notch 266 provided on the hook fixing plate 263. When the hook body 262 passes through the notch 266, the retaining ball 265 and the hook fixing plate 263 are locked in contact. The hook fixing plate 263 is fixed on the pedal bracket 40. Preferably, the hook fixing plate 263 is fixed on the pedal bracket 40 by screws.

[0028] As a preferred embodiment of this application, one end of the pedal bracket 40 is provided with a limiting groove 42, which cooperates with the third limiting body 25. The limiting groove 42 enables better cooperation between the third limiting body 25 and the pedal bracket 40, and prevents relative sliding between the third limiting body 25 and the pedal bracket 40.

[0029] The above are merely preferred embodiments of this application. The scope of protection of this application is not limited to the above embodiments. All technical solutions falling within the scope of this application's concept are within the scope of protection of this application. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of this application should be considered within the scope of protection of this application.

Claims

1. A grinder bit changing assistive device, characterized by, include: The counterweight (20) includes a counterweight part (21) and a connecting part (22). The counterweight part (21) and the connecting part (22) are integrally formed and connected. The connecting part (22) is rotatably connected to the frame (10). The pedal bracket (40) is a strip structure, and one end of the pedal bracket (40) is rotatably connected to the counterweight (21). The first limiting body (12) is fixedly connected to the frame (10). The first limiting body (12) is in contact with one side of the connecting part (22) and supports the counterweight (20). The third limiting body (25) is fixedly connected to the counterweight (21), and the third limiting body (25) is in contact with the pedal bracket (40) and supports the pedal bracket (40).

2. A grinder bit changing aid as claimed in claim 1 wherein: A connecting block (23) is integrally formed on the connecting part (22). The connecting block (23) is rotatably connected to one end of the gas spring (30), and the other end of the gas spring (30) is rotatably connected to the frame (10).

3. A grinder bit changing aid as claimed in claim 2, wherein: The connecting block (23) is in the shape of a triangle. The two vertices of the triangle are integrally formed and connected to the connecting part (22). The third vertex of the triangle is rotatably connected to one end of the gas spring (30) through the connecting shaft.

4. The grinder bit changing assist device of claim 1, wherein: The frame (10) is also provided with a second limiting body (11). When the counterweight (20) rotates 180°, the second limiting body (11) contacts and connects with the other side of the connecting part (22) and supports the counterweight (20).

5. The grinder bit changing assist device of claim 1, wherein: At least two screw holes are provided on the other end of the pedal bracket (40), and a foot pedal (41) is fixedly installed on the pedal bracket (40) by screwing screws into the screw holes.

6. The grinder bit changing assist device of claim 1, wherein: A through hole is provided on the connecting part (22), and a rotatably connected connecting shaft is provided in the through hole. One end of the connecting shaft is fixedly connected to the frame (10), and a baffle (27) is fixedly connected to the other end of the connecting shaft.

7. The grinder bit changing assist device of claim 1, wherein: The connecting part (22) and the pedal bracket (40) are fastened together by a hook assembly (26).

8. A grinder bit changing aid as claimed in claim 7, wherein: A hook connecting seat (261) is fixedly connected to the connecting part (22). A hook body (262) is rotatably connected to the hook connecting seat (261). The hook body (262) and the hook fixing plate (263) cooperate with each other. The hook fixing plate (263) is fixed on the pedal bracket (40).

9. A grinder bit changing aid as claimed in claim 8 wherein: One end of the hook body (262) is rotatably connected to the hook connecting seat (261), and the other end of the hook body (262) is provided with a handle (264). A locking ball (265) is provided in the middle of the hook body (262), and the locking ball (265) cooperates with the notch provided on the hook fixing plate (263).

10. The grinder bit changing assist device of claim 1, wherein: One end of the pedal bracket (40) is provided with a limiting groove (42), which cooperates with the third limiting body (25).

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