Split eccentric gear

Abstract

The utility model relates to a split eccentric gear belongs to gear technical field, the split eccentric gear includes: eccentric block and tooth disc, the eccentric block one end periphery four -corner formation thread, tooth disc periphery brim four -corner formation with the thread groove of the thread of eccentric block four -corner formation is adapted, split eccentric gear through with tooth disc to the split design and manufacture of eccentric block can make each part of gear can independent processing and replacement, has improved production efficiency and maintenance convenience.

Description

Technical Field

[0001] This utility model relates to a split eccentric gear, belonging to the field of gear technology. Background Technology

[0002] An eccentric gear is a very interesting and practical mechanical part. It is a special and simple form of non-circular gear. Its characteristic is that its rotation center (geometric center) does not coincide with the center of its pitch circle (or indexing circle). Its function is to convert uniform input motion into regular, non-uniform output motion. Most of the eccentric gears provided in the related technologies are integrally cast using a single mold. This process is fast and can greatly improve the production efficiency of eccentric gears. However, the problems and defects are also obvious. For example, when the eccentric gear is damaged during use, it often cannot be repaired and reused, and can only be scrapped as a whole, which undoubtedly increases the overall cost of using the eccentric gear. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a split eccentric gear, which solves the problem that when the eccentric gear is damaged during use, it often cannot be repaired and reused, and can only be scrapped as a whole. The technical solution adopted by this utility model to solve its technical problem is: A split-type eccentric gear, the split-type eccentric gear comprising: An eccentric block and a gear disc are manufactured separately using two different molds; a thread is formed around one end of the eccentric block, and a thread groove is formed around the outer edge of the gear disc to match the thread formed around the eccentric block.

[0004] Preferably, a slot is formed inside the eccentric block, and an insert block is inserted into the slot; at the same time, a retaining groove is formed on the surface of the gear plate.

[0005] Preferably, a positioning post is formed at the center of the eccentric block, and a shaft hole is formed at the center of the gear disk; at the same time, a positioning hole is formed on one end surface of the eccentric block, and a through hole is formed on the surface of the gear disk.

[0006] Preferably, the eccentric block surface is uniformly distributed with locking holes, and the gear plate surface is uniformly distributed with locking holes.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows: Compared with eccentric gears, the split-type eccentric gear has the following advantages: This design separates the original eccentric gear into two parts: an eccentric block and a gear disc. The eccentric block and gear disc are manufactured separately using two different molds. This separate design allows each part of the gear to be processed and replaced independently, improving production efficiency and maintenance convenience. In addition, traditional gears are often scrapped as a whole after damage, but the eccentric block of this separate eccentric gear, which is assembled by the interaction of the eccentric block and the gear disc, can be disassembled and adapted for reassembly, reducing the overall cost of using the gear. In addition, slots are formed inside the eccentric block, and inserts are placed inside the slots; at the same time, retaining grooves are formed on the surface of the gear plate; by inserting inserts inside the eccentric block, the centrifugal force and inertial force generated by the eccentric mass can be balanced, thereby reducing vibration and noise, and improving the smoothness and life of the entire eccentric gear. Attached Figure Description

[0008] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0009] Figure 1 This is a schematic diagram of the structure of a split eccentric gear according to the present invention.

[0010] Figure 2 This is an exploded disassembly diagram of a split-type eccentric gear according to the present invention.

[0011] Figure 3 This is a schematic diagram of the eccentric block of a split eccentric gear according to the present invention.

[0012] In the diagram: 1-eccentric block, 2-gear plate, 3-locking hole, 4-slot, 5-positioning hole, 6-positioning post, 7-insertion block, 8-through hole, 9-shaft hole, 10-stop groove, 11-positioning rod, 12-locking rod. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Please see Figure 1-3This utility model provides a technical solution: A split-type eccentric gear, the split-type eccentric gear comprising: Eccentric block 1 and gear disk 2 are manufactured separately using two different molds; one end of eccentric block 1 is threaded around its periphery, and the periphery of gear disk 2 is formed with a thread groove that matches the thread formed around the periphery of eccentric block 1. When eccentric block 1 and gear disk 2 are assembled, the threaded groove formed around the edge of gear disk 2 is rotated and installed on the outside of the thread formed around one end of eccentric block 1, so as to achieve quick alignment and installation between eccentric block 1 and gear disk 2. Compared with the method of casting gears in one piece using a single mold, this split eccentric gear is designed and manufactured separately from the eccentric block 1 and the gear disk 2. This allows each part of the gear to be processed and replaced independently, improving production efficiency and maintenance convenience. At the same time, traditional gears are often scrapped as a whole after damage, but the eccentric block 1 of this split eccentric gear, which is assembled by the cooperation of the eccentric block 1 and the gear disk 2, can be disassembled and adapted for assembly and reuse, reducing the overall cost of using the gear. Please see Figure 1-3 In one embodiment of the present invention, a slot 4 is formed inside the eccentric block 1, and a plug 7 is inserted inside the slot 4; at the same time, a retaining groove 10 is formed on the surface of the toothed disc 2. When the eccentric block 1 and the gear disk 2 are assembled, the insert block 7 is first placed inside the slot 4 opened in the eccentric block 1, and then the gear disk 2 is rotated and installed at one end of the eccentric block 1 until the groove 10 formed on the surface of the gear disk 2 covers the outside of the insert block 7. Concentric gears, as the name suggests, have their center of mass and center of rotation coincide; when they rotate at a constant speed, they do not generate additional centrifugal force, so they run very smoothly. As the name suggests, an eccentric gear has a non-coincident geometric center (O) and a rotation center (O'), with an eccentricity (e). This makes the mass distribution of the eccentric gear asymmetrical about its rotation center. Therefore, when the eccentric gear rotates, the centrifugal force and inertial force generated by the eccentric mass will increase vibration and noise, causing the entire eccentric gear to run unstably. By inserting the insert block 7 inside the eccentric block 1, the centrifugal force and inertial force generated by the eccentric mass can be balanced, thereby reducing vibration and noise, and improving the smoothness and life of the entire eccentric gear. Please see Figure 1-3 In one embodiment of the present invention, a positioning post 6 is formed at the axial center of the eccentric block 1, and a shaft hole 9 is formed at the axial center of the gear disk 2; at the same time, a positioning hole 5 is formed on one end surface of the eccentric block 1, and a through hole 8 is formed on the surface of the gear disk 2. In an embodiment of this utility model, when the gear disk 2 and the eccentric block 1 are assembled, the gear disk 2 is rotated and installed along the outside of the eccentric block 1, and the shaft hole 9 formed at the axial center of the gear disk 2 rotates along the outside of the positioning post 6 formed at the axial center of the eccentric block 1 to achieve rapid positioning. Later, the positioning rod 11 is set to pass through both the through hole 8 and the positioning hole 5 to achieve the installation and fixation between the eccentric block 1 and the gear plate 2; Please see Figure 1-3 In one embodiment of the present invention, locking holes 3 are evenly distributed on the surface of the eccentric block 1 and the locking holes 3 are evenly distributed on the surface of the toothed disc 2. Later, multiple locking rods 12 simultaneously pass through the locking holes 3 evenly distributed on the surface of the eccentric block 1 and the locking holes 3 evenly distributed on the surface of the gear plate 2 to achieve locking and fixing between the eccentric block 1 and the gear plate 2. The workflow of this embodiment is as follows: When eccentric block 1 and gear disk 2 are assembled, gear disk 2 is installed by rotating along the outside of eccentric block 1. It rotates along the outside of positioning post 6 formed at the axial center of eccentric block 1 through shaft hole 9 formed at the axial center of gear disk 2, thereby achieving rapid positioning. First, insert the insert 7 into the slot 4 opened in the eccentric block 1, then rotate and install the gear plate 2 at one end of the eccentric block 1 until the groove 10 formed on the surface of the gear plate 2 covers the outside of the insert 7. Finally, multiple locking rods 12 simultaneously pass through the locking holes 3 evenly distributed on the surface of the eccentric block 1 and the locking holes 3 evenly distributed on the surface of the gear plate 2, thereby achieving the locking and fixing between the eccentric block 1 and the gear plate 2.

[0015] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A split-type eccentric gear, characterized in that... include: An eccentric block (1) and a gear disc (2) are manufactured separately using two different molds. A thread is formed around one end of the eccentric block (1), and a thread groove is formed around the outer edge of the gear disc (2) to match the thread formed around the eccentric block (1). A slot (4) is formed inside the eccentric block (1), and a plug (7) is inserted inside the slot (4). At the same time, a retaining groove (10) is formed on the surface of the gear disc (2). A positioning post (6) is formed at the axial center of the eccentric block (1), and a shaft hole (9) is formed at the axial center of the gear disc (2). At the same time, a positioning hole (5) is formed on one end of the surface of the eccentric block (1), and a through hole (8) is formed on the surface of the gear disc (2).

2. A split-type eccentric gear according to claim 1, characterized in that: The eccentric block (1) has locking holes (3) evenly distributed on its surface, and the gear plate (2) has locking holes (3) evenly distributed on its surface.

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