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CN-122007485-A - Modularized clamping jaw replacing device and milling machine

CN122007485ACN 122007485 ACN122007485 ACN 122007485ACN-122007485-A

Abstract

The invention discloses a modularized clamping jaw replacing device and a milling machine, wherein the modularized clamping jaw replacing device comprises a modularized replacing main shaft, a modularized connecting clamping shaft, a sliding type positioning mechanism and an accuracy clamping mechanism, the modularized connecting and clamping shaft is arranged on the lower side of the modularized replacement main shaft in a sliding mode and is matched with the modularized replacement main shaft. According to the modularized clamping jaw replacing device and the milling machine, through the arrangement of the corresponding mechanism, the clamping jaw is replaced quickly, accurately and reliably, the clamping jaw replacing time is shortened greatly, the production efficiency and the equipment utilization rate are improved remarkably, the high consistency of positioning precision and clamping force of each installation can be guaranteed, the problem of repeated installation precision fluctuation is solved effectively, the consistency and stability of processing quality are improved remarkably, manual quick assembly and disassembly of the clamping jaw can be completed without special tools, the labor intensity and skill requirements of operators are reduced greatly, and potential safety hazards and quality risks caused by improper operation are eliminated.

Inventors

  • XIA JUNMING

Assignees

  • 江阴市福沃德传动科技有限公司

Dates

Publication Date
20260512
Application Date
20260323

Claims (10)

  1. 1. A modular jaw replacement apparatus, comprising: modularized replacement of the main shaft; the modularized connecting and clamping shaft is arranged on the lower side of the modularized replacement main shaft in a sliding manner and is matched with the modularized replacement main shaft; the sliding type positioning mechanism comprises a sliding type positioning component arranged on the outer side of the modularized connecting clamping shaft and a positioning protection component arranged in the sliding type positioning component, and the sliding type positioning component and the positioning protection component are matched with each other to position the modularized connecting clamping shaft; the precision clamping mechanism comprises a precision clamping assembly arranged in the modularized replacement main shaft and a pair of precision balance assemblies arranged in the modularized replacement main shaft.
  2. 2. The modular jaw replacement apparatus of claim 1, wherein the slide positioning assembly comprises: the positioning and mounting bin is arranged at the outer side of the modularized connecting and clamping shaft; the positioning support rod is arranged in the positioning installation bin; And the positioning spring is sleeved outside the positioning support rod.
  3. 3. The modular jaw exchanging apparatus of claim 2, wherein a plurality of positioning support rods are provided, the plurality of positioning support rods are uniformly distributed, the positioning support rods are arranged through the positioning mounting bin, positioning bearings are arranged between the positioning support rods and the positioning mounting bin, and positioning limiting blocks are arranged on the positioning support rods.
  4. 4. The modular jaw replacement apparatus of claim 2, wherein the positioning protection assembly comprises: the protection contact bin is arranged in the positioning and mounting bin; The protection buffer nets are arranged in the protection contact bin.
  5. 5. The modular jaw replacement apparatus of claim 4, wherein the protective contact cartridge is slidably disposed within a positioning mounting cartridge that mates with the protective contact cartridge, the protective contact cartridge is fixedly coupled to the positioning support bar, and the positioning spring is disposed between the protective contact cartridge and the positioning mounting cartridge.
  6. 6. The modular jaw replacement apparatus of claim 1, wherein the precision snap assembly comprises: the precision clamping positioning plate is arranged in the modularized replacement main shaft; the precision clamping support rod is arranged at the lower side of the precision clamping positioning plate; the precision clamping rotating beads are arranged at one end of the precision clamping supporting rod, which is far away from the precision clamping positioning plate.
  7. 7. The modular jaw replacement apparatus of claim 6, wherein the modular replacement spindle is provided with a locating slot matching the precision clamping locating plate, the precision clamping support rod is disposed through the modular replacement spindle, and the modular connection clamping shaft is provided with a locking slot matching the precision clamping support rod.
  8. 8. The modular jaw replacement apparatus of claim 6, wherein the precision balancing assembly comprises: The pair of precision balance support rods are arranged on two sides of the precision clamping positioning plate; and the precision balance spring is sleeved on the precision balance support rod.
  9. 9. The modular jaw replacement apparatus of claim 8, wherein the precision balance support bar is fixedly connected to the modular replacement spindle, the precision balance support bar is disposed through the precision clamping locating plate, and a precision balance bearing is mounted between the precision balance support bar and the precision clamping locating plate.
  10. 10. A milling machine comprising a milling machine body and a modular jaw exchange device mounted on the milling machine body, characterized in that the modular jaw exchange device is a modular jaw exchange device according to any one of claims 1-9.

Description

Modularized clamping jaw replacing device and milling machine Technical Field The invention belongs to the technical field of milling machines, and particularly relates to a modularized clamping jaw replacing device and a milling machine. Background The clamping jaw in the milling machine fixture system is a key execution part for clamping a workpiece, the core function of the clamping jaw is to firmly fix the workpiece to be processed on a workbench through mechanical clamping force, the position stability and the processing precision of the workpiece in the milling process are ensured, the clamping jaw is usually configured in pairs or groups and is arranged on standard interfaces such as a T-shaped groove, a locating hole and the like of a fixture body or the workbench, according to the geometric shape, the size specification and the processing technology requirements of the workpiece, clamping jaws with different specifications, different structures and different materials are required to be frequently replaced in the production process so as to adapt to variable processing requirements, in modern manufacturing industry, particularly in the fields of aerospace, automobile manufacturing, mold processing and the like, the replacement frequency of the clamping jaw is remarkably increased, the convenience, the rapidness, the accuracy and the reliability of the replacement mode of the clamping jaw directly influence the production efficiency, the equipment utilization rate, the product processing quality and the production cost, and the replacement technology is one of core technologies of the milling machine fixture system, and the improvement of the technical level of the clamping jaw has important strategic significance for realizing intelligent manufacturing, improving the production automation degree and shortening the product manufacturing cycle. In terms of clamping jaw replacement, the traditional fixing modes such as bolt connection, pin positioning, wedge clamping and the like are generally adopted in the existing milling machine fixture system, the installation and disassembly of clamping jaws are required to be manually operated by means of special tools such as a spanner, a screwdriver, a hammer and the like, an operator is required to manually align a positioning hole, screw the bolt or knock the pin, the whole process is tedious and time-consuming, the traditional connecting mode is simple in structure and low in manufacturing cost, but has obvious limitations that firstly, the installation and screwing processes of the bolt and the pin are required to be repeatedly operated for a plurality of times, the single clamping jaw replacement operation usually requires 15-30 minutes, the production beat is severely restricted under the frequent replacement scene, secondly, the repeated installation precision is difficult to ensure, the positioning precision and the clamping force of the clamping jaws are fluctuated, the consistency and the stability of the machining quality are directly affected, in addition, the traditional mode is completely dependent on manual operation, the labor intensity is high, the skill requirement on the operator is easy, the installation is not in place or the clamping force is insufficient due to improper operation, and the safety hidden danger and the quality risk exists. Therefore, in view of the above-mentioned technical problems, it is necessary to provide a modular jaw exchanging device and a milling machine. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. Disclosure of Invention The invention aims to provide a modularized clamping jaw replacing device and a milling machine, which can solve the problems of complex clamping jaw replacing operation, long time consumption, difficult guarantee of repeated installation precision, high labor intensity and potential safety hazard and quality risk caused by the traditional fixing modes of bolting, pin positioning and the like of the existing milling machine fixture system. In order to achieve the above object, a specific embodiment of the present invention provides the following technical solution: A modularized clamping jaw replacing device and a milling machine comprise a modularized replacing main shaft, a modularized connecting clamping shaft, a sliding type positioning mechanism and an accuracy clamping mechanism. The modular connecting clamping shaft is arranged on the lower side of the modular replacing main shaft in a sliding mode and matched with the modular replacing main shaft, the sliding type positioning mechanism comprises a sliding type positioning assembly arranged on the outer side of the modular connecting clamping shaft and a positioning protection ass