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CN-224230988-U - Split synchronous transmission mechanism

CN224230988UCN 224230988 UCN224230988 UCN 224230988UCN-224230988-U

Abstract

The utility model discloses a split type synchronous transmission mechanism which comprises a gear assembly, a driving shaft, a transmission belt assembly and a driven shaft, wherein the driving shaft is composed of a positioning shaft and a split shaft, the positioning shaft and the split shaft are coaxially arranged, one end of the positioning shaft is detachably connected with the split shaft, the other end of the positioning shaft can be connected with a motor through the gear assembly, the other end of the split shaft can indirectly drive an encoder to operate through the transmission belt assembly, the driven shaft and a mechanical electronic cam box, and the split type synchronous transmission mechanism is quite convenient to install and maintain.

Inventors

  • JIN JIANNAN

Assignees

  • 浙江豪兴智能装备有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (7)

  1. 1. The split type synchronous transmission mechanism is characterized by comprising a gear assembly, a driving shaft (2), a transmission wheel belt assembly (3) and a driven shaft (4), wherein the driving shaft (2) is composed of a positioning shaft (21) and a split shaft (22), the positioning shaft (21) and the split shaft (22) are coaxially arranged, one end of the positioning shaft is detachably connected together, the other end of the positioning shaft (21) can be connected with a motor through the gear assembly, and the other end of the split shaft (22) can indirectly drive an encoder to operate through the transmission wheel belt assembly (3), the driven shaft (4) and a mechanical electronic cam box (5).
  2. 2. The split synchronous transmission mechanism as claimed in claim 1, wherein a socket (211) and a plug (221) which can be in interference fit are arranged between the positioning shaft (21) and the split shaft (22).
  3. 3. The split synchronous drive of claim 2 wherein said positioning shaft (21) further has a plurality of outwardly extending tabs (212) at the end with said socket (211), each adjacent two of said tabs (212) defining a slot therebetween, each of said tabs (212) being co-elastically wrapped about said split shaft (22) during insertion of said plug (221) into said socket (211).
  4. 4. The split synchronous drive of claim 3 wherein a fastener (23) is further threadably coupled between the positioning shaft (21) and the split shaft (22).
  5. 5. The split synchronous drive of claim 4 wherein the positioning shaft (21) has a positioning through hole between the opposite side walls for connecting the outside with the socket (211), the plug (221) has a split through hole which can be aligned with the positioning through hole, the fastener (23) comprises a bolt and a nut, and the screw of the bolt is screwed with the nut after passing through the positioning through hole and the split through hole at the same time.
  6. 6. The split synchronous drive of claim 5 wherein the locating through hole further has an outwardly extending boss portion (213) at the mouth.
  7. 7. The split synchronous transmission mechanism as set forth in any one of claims 1 to 6, wherein the transmission belt assembly (3) comprises a first synchronous gear (31), a second synchronous gear (32) and a synchronous toothed belt (33), the first synchronous gear (31) is sleeved at one end of the split shaft (22) far away from the positioning shaft (21), the second synchronous gear (32) is sleeved at one end of the driven shaft (4) and the other end of the driven shaft is fixed with the mechano-electronic cam box (5), and the synchronous toothed belt (33) is sleeved and meshed outside the first synchronous gear (31) and the second synchronous gear (32) simultaneously.

Description

Split synchronous transmission mechanism Technical Field The utility model relates to the technical field of transmission mechanisms, in particular to the technical field of transmission mechanisms of encoders. Background The encoder is a device capable of converting mechanical motion (such as rotation angle and displacement of a cam) into an electric signal or a digital signal which can be recognized by a control system, and is usually used in a scene requiring accurate monitoring and control of the mechanical motion, a power transmission mechanism is usually additionally arranged between the encoder and a motor for normal driving of the encoder in a limited installation space, referring to fig. 1 and 2, the conventional power transmission mechanism generally comprises a gear assembly (fig. 1 and 2 only show a wheel cover 1, and also comprises a shaft body gear protected by the wheel cover and a body gear installed at an output shaft of the motor, and the shaft body gear is meshed with the body gear), a driving shaft 2, a belt synchronous transmission structure 3 and a driven shaft 4, and when the encoder is used, the motor can transmit power to a mechanical electronic cam box 5 through the gear assembly, the driving shaft 2, the belt synchronous transmission structure 3 and the driven shaft 4 in sequence, and the mechanical electronic cam box 5 can drive the encoder to operate. The design adopts a complete long rod as the driving shaft 2 to connect the wheel cover 1 and the wheel belt synchronous transmission structure 3, however, the integrated long rod not only can cause inconvenient later maintenance, but also can improve the precision requirement of the device on processing and assembling various accessories in factories (whether the transmission work is normally carried out or not and is more influenced by external factors). Disclosure of Invention The utility model aims to solve the problems in the prior art and provides a split synchronous transmission mechanism which is convenient to install and maintain. In order to achieve the above purpose, the utility model provides a split type synchronous transmission mechanism, which comprises a gear assembly, a driving shaft, a transmission belt assembly and a driven shaft, wherein the driving shaft is composed of a positioning shaft and a split shaft, the positioning shaft and the split shaft are coaxially arranged, one end of the positioning shaft is detachably connected together, the other end of the positioning shaft can be connected with a motor through the gear assembly, and the other end of the split shaft can indirectly drive an encoder to operate through the transmission belt assembly, the driven shaft and a mechanical electronic cam box. Preferably, a socket and a plug which can be in interference insertion fit are arranged between the positioning shaft and the split shaft. Preferably, one end of the positioning shaft with the socket is further provided with a plurality of outwards extending lugs, a slot is formed between every two adjacent lugs, and the lugs can be jointly and elastically wrapped outside the split shaft during the process of inserting the plug into the socket. Preferably, a fastener is further connected between the positioning shaft and the split shaft in a threaded manner. Preferably, a positioning through hole for communicating the outside with the socket is formed between the two opposite side shaft walls of the positioning shaft, the plug is provided with a split through hole which can be in opposite fit with the positioning through hole, the fastener comprises a bolt and a nut, and a screw rod of the bolt is in threaded connection with the nut after passing through the positioning through hole and the split through hole at the same time. Preferably, the positioning through hole is further provided with a boss portion extending outwards at the mouth portion. Preferably, the transmission belt assembly comprises a first synchronous gear, a second synchronous gear and a synchronous toothed belt, wherein the first synchronous gear is sleeved at one end of the split shaft far away from the positioning shaft, the second synchronous gear is sleeved at one end of the driven shaft, the other end of the driven shaft is fixed with the mechanical electronic cam box, and the synchronous toothed belt is sleeved and meshed outside the first synchronous gear and the second synchronous gear. The utility model has the beneficial effects that: 1) According to the utility model, the driving shaft adopts the detachable connection design of the positioning shaft and the split shaft, so that a worker does not need to detach the gear cover of the gear assembly and the gear structure of the motor end during the later maintenance, but can independently maintain or replace the split shaft and the transmission belt assembly at the rear end of the split shaft only when the connection part of the positioning shaft and the split shaft is detached, thereby