CN220929922U

CN220929922U - Combined eccentric shaft

Info

Publication number: CN220929922U
Application number: CN202322781083.XU
Authority: CN
Inventors: 王浩
Original assignee: Ningbo Jinshida Machinery Co ltd
Current assignee: Ningbo Jinshida Machinery Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-05-10
Anticipated expiration: 2033-10-16

Abstract

The utility model provides a combined eccentric shaft, which relates to the technical field of eccentric shafts and comprises the following components: the eccentric shaft body is connected with a fixing mechanism, and the fixing mechanism is connected with a mounting mechanism. According to the utility model, through the mutual matching between the eccentric shaft body, the fixing mechanism and the mounting mechanism, when the eccentric pin is damaged, part of components in the mounting mechanism can be disassembled and assembled, and a new eccentric pin is replaced and then the eccentric pin is continuously put into use. When the integral disc needs to be replaced, the disc can be replaced by the new disc assembly after being detached from the eccentric shaft body through the mutual matching between the mounting mechanism and the fixing mechanism, so that the economical practicability of the product is improved to a certain extent, and meanwhile, the assembly in the mounting mechanism can be disassembled and assembled through the mutual matching of the assemblies in the mounting mechanism, and therefore, a more convenient mounting and fixing mode can be provided for a user under the condition that the integral operation standard of the eccentric shaft is not affected.

Description

Combined eccentric shaft

Technical Field

The utility model relates to the technical field of eccentric shafts, in particular to a combined eccentric shaft.

Background

The work piece with the outer circle parallel to the axis of the outer circle and not coincident is called an eccentric shaft. The eccentric shaft is generally fixed on the motor rotating shaft through an eccentric hole, and performs cam motion when the motor is started.

The existing partial eccentric shafts generally comprise a main shaft, a disc and an eccentric pin, and the main shaft, the disc and the eccentric pin are of an integrated structure, when the disc and the eccentric pin in the eccentric shaft are replaced, in most cases, workers are required to install and replace the whole or partial structure through own existing components and matching with the fixed positions where the existing components are required to be installed, so that when the existing partial eccentric shafts are installed on the main shaft through a general fixed installation mode such as welding, the installation and the installation mode cannot be well carried out on the main shaft without affecting the structure of the eccentric shaft, and when the installation components affect the structure of the eccentric shaft, the running track of the eccentric shaft is possibly changed, and the devices connected with the eccentric shaft are caused to shake and other defects are caused, so that the existing partial eccentric shafts have certain technical defects.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a combined eccentric shaft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a combined eccentric shaft, which comprises a shaft body,

As a preferred embodiment, it comprises: the eccentric shaft body, eccentric shaft body coupling is equipped with fixed establishment, fixed establishment connection is equipped with installation mechanism, installation mechanism is equipped with the installation piece, installation piece middle part circumference side department fixedly connected with connector, the external side circumference department threaded connection of connector has the screw cap, screw cap outside circumference end department fixedly connected with rotator, screw cap one end both sides quartering point department fluting is equipped with the screw hole, screw hole threaded connection has second fixing bolt, second fixing bolt middle part one side department threaded connection has the joint piece.

As a preferred implementation mode, the linking block is provided with two parts and the side fixedly connected with installation block, four right angle parts of installation block fixedly connected with locating piece, the fluting of installation block middle part both sides department is equipped with the through-hole, the through-hole through-connection has first fixing bolt.

As a preferable implementation mode, the positioning block is connected with a positioning pin in a penetrating way, and the end head of the other end of the positioning pin is fixedly connected with a fixing block.

As a preferable implementation mode, the two sides of the middle part of the fixed block are provided with connecting holes in a slotting mode, and the circumference of the inner side of each connecting hole is connected with a first fixing bolt in a threaded mode.

As a preferable implementation mode, the end head of the other end of the first fixing bolt is connected with a mounting block in a clamping mode, and one side of the mounting block is connected with a fixing block in a clamping mode.

As a preferable implementation mode, the middle circumference of the fixed block is in threaded connection with a connecting thread body, and the inner circumference of the connecting thread body is fixedly connected with a rotating shaft.

Compared with the prior art, the utility model has the advantages and positive effects that:

According to the utility model, through the mutual matching between the eccentric shaft body, the fixing mechanism and the mounting mechanism, when the eccentric pin is damaged, part of components in the mounting mechanism can be disassembled and assembled, and a new eccentric pin is replaced and then the eccentric pin is continuously put into use. When the integral disc needs to be replaced, the disc can be replaced by the new disc assembly after being detached from the eccentric shaft body through the mutual matching between the mounting mechanism and the fixing mechanism, so that the economical practicability of the product is improved to a certain extent, and meanwhile, the assembly in the mounting mechanism can be disassembled and assembled through the mutual matching of the assemblies in the mounting mechanism, and therefore, a more convenient mounting and fixing mode can be provided for a user under the condition that the integral operation standard of the eccentric shaft is not affected.

Drawings

Fig. 1 is a perspective view of the external overall structure of a combined eccentric shaft provided by the utility model.

Fig. 2 is a perspective view showing the overall structure of the outer parts of the fixing mechanism and the mounting mechanism of the combined eccentric shaft.

Fig. 3 is an exploded perspective view of the installation mechanism of the combined eccentric shaft.

Fig. 4 is a schematic perspective view of the overall structure of the shaft body and the mounting mechanism of the combined eccentric shaft.

Legend description:

1. An eccentric shaft body; 11. a rotation shaft; 12. connecting a threaded body;

2. A fixing mechanism; 21. a fixed block; 22. a positioning pin; 23. a connection hole;

3. A mounting mechanism; 31. a mounting block; 32. a positioning block; 33. a through hole; 34. a first fixing bolt; 35. a second fixing bolt; 36. a joint block; 37. a threaded hole; 38. a rotating body; 39. a screw cap; 310. a connector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-3, the present utility model provides a technical solution: a combined eccentric shaft comprising: the eccentric shaft body 1, the eccentric shaft body 1 is connected and is provided with a fixing mechanism 2, and the fixing mechanism 2 can provide the effect of clamping with the eccentric shaft body 1 for the installation mechanism 3. The fixing mechanism 2 is connected with a mounting mechanism 3, and can be combined with the eccentric shaft component through the mounting mechanism 3. The installation mechanism 3 is provided with an installation block 31, a connecting body 310 is fixedly connected to the circumference side of the middle part of the installation block 31, a connectable thread groove is formed in the circumference of the outer side of the connecting body 310, a thread cover 39 is connected to the circumference of the outer side of the connecting body 310 in a threaded manner, a rotating body 38 is fixedly connected to the circumference end of the outer side of the thread cover 39, and when the installation block 31 rotates, the connecting body 310 and the thread cover 39 are driven to rotate in the same rotation direction of the installation block 31. Screw cap 39 one end both sides quartering department fluting is equipped with screw hole 37, and screw hole 37 threaded connection has second fixing bolt 35, and second fixing bolt 35 middle part one side department threaded connection has linking piece 36, and when second fixing bolt 35 was being connected with linking piece 36, can be connected with screw hole 37 to make linking piece 36 and screw cap 39 form fixed connection.

Example 2

As shown in fig. 1-3, the connecting block 36 is provided with two parts, the side edge parts are fixedly connected with the mounting blocks 31, the four right angles of the mounting blocks 31 are fixedly connected with the positioning blocks 32, and a hole site is arranged at one end of each positioning block 32. Through holes 33 are formed in grooves on two sides of the middle of the mounting block 31, and the through holes 33 are connected with first fixing bolts 34 in a penetrating mode. Rotation of the mounting block 31 will cause rotation of the engagement block 36, providing a secure effect by providing a connection between the engagement block 36 and the threaded cap 39.

Example 3

As shown in fig. 1-4, the positioning block 32 is connected with a positioning pin 22 in a penetrating manner, the end head of the other end of the positioning pin 22 is fixedly connected with a fixed block 21, both sides of the middle part of the fixed block 21 are provided with connecting holes 23 in a slotted manner, the circumference of the inner side of the connecting holes 23 is connected with first fixing bolts 34 in a threaded manner, and when the first fixing bolts 34 are connected with the connecting holes 23, holes on both sides of the mounting block 31 are penetrated, so that the mounting block 31 is connected with the fixed block 21. The stability and the disassembly and assembly convenience of the mechanism connection are improved to a certain extent. The mounting block 31 is connected to the other end of the first fixing bolt 34 in a clamping manner, and the first fixing bolt 34 is arranged to provide a connection effect between the mounting block 31 and the fixing block 21. The fixing block 21 is engaged with and connected to one side of the mounting block 31. The middle circumference of the fixed block 21 is in threaded connection with a connecting thread body 12, the circumference of the inner side of the connecting thread body 12 is fixedly connected with a rotating shaft 11, and the connecting thread body 12 can be in threaded connection with the fixed block 21, so that the connectivity of the mechanism is improved to a certain extent. The middle parts of the mounting block 31 and the fixed block 21 penetrate through the rotating shaft 11, and the rotating shaft 11 is matched with a rotating component in the mounting mechanism 3, so that when the rotating shaft 11 rotates, an eccentric rotation effect can be provided.

Working principle:

As shown in fig. 1 to 4, when eccentric rotation is required, the eccentric rotation effect can be achieved by the mutual cooperation between the eccentric shaft body 1 and the fixing mechanism 2 and the mounting mechanism 3. When the component is required to be removed, the first fixing bolt 34 may be rotated by screwing the first fixing bolt 34 so as to be separated from the coupling holes 23 at both sides of the fixing block 21, and after the coupling holes 23 are separated, the first fixing bolt 34 may be separated from the through holes 33 at both sides of the mounting block 31. And upon disengagement, the locating pin 22 will disengage from the hole in the locating block 32. When the other parts of the mounting mechanism 3 need to be removed, the second fixing bolt 35 is removed from the connection with the threaded hole 37 and the engagement block 36 by rotating the second fixing bolt 35. At this time, the screw cap 39 and the rotating body 38 are rotated to release the connection between the screw cap 39 and the connecting body 310, so that the entire attachment mechanism 3 is removed, and when the fixed block 21 needs to be separated from the rotating shaft 11, the fixed block 21 is rotated to release the screw connection between the screw body 12 and the fixed block 21. When the fixing block 21 and the mounting mechanism 3 need to be reinstalled, the eccentric shaft body 1 is connected to the fixing mechanism 2 and the mounting mechanism 3 by reversing the above operations.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A combined eccentric shaft, comprising: eccentric shaft body (1), eccentric shaft body (1) are connected and are equipped with fixed establishment (2), fixed establishment (2) are connected and are equipped with installation mechanism (3), installation mechanism (3) are equipped with installation piece (31), installation piece (31) middle part circumference side department fixedly connected with connector (310), connector (310) outside circumference department threaded connection has screw cap (39), screw cap (39) outside circumference end department fixedly connected with rotator (38), the slotting of screw cap (39) one end both sides quartering point department is equipped with screw hole (37), screw hole (37) threaded connection has second fixing bolt (35), second fixing bolt (35) middle part one side department threaded connection has joint piece (36).

2. A combined eccentric shaft as in claim 1, wherein: the connecting block (36) is provided with two parts, the side edges of the connecting block are fixedly connected with mounting blocks (31), the four right-angle parts of the mounting blocks (31) are fixedly connected with positioning blocks (32), through holes (33) are formed in grooves in two sides of the middle of the mounting blocks (31), and the through holes (33) are connected with first fixing bolts (34) in a penetrating mode.

3. A combined eccentric shaft as in claim 2, wherein: the positioning block (32) is connected with a positioning pin (22) in a penetrating way, and the end head of the other end of the positioning pin (22) is fixedly connected with a fixing block (21).

4. A combined eccentric shaft as in claim 3, wherein: the connecting holes (23) are formed in grooves in two sides of the middle of the fixed block (21), and first fixing bolts (34) are connected with the inner circumferences of the connecting holes (23) in a threaded mode.

5. A combined eccentric shaft as in claim 4, wherein: the mounting block (31) is connected to the other end of the first fixing bolt (34) in a clamping mode, and the fixing block (21) is connected to one side of the mounting block (31) in a clamping mode.

6. A combined eccentric shaft as in claim 5, wherein: the middle circumference of the fixed block (21) is in threaded connection with a connecting threaded body (12), and the inner circumference of the connecting threaded body (12) is fixedly connected with a rotating shaft (11).