CN108608225B - Workbench exchange structure of precise double-station horizontal machining center - Google Patents

Workbench exchange structure of precise double-station horizontal machining center Download PDF

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Publication number
CN108608225B
CN108608225B CN201810429111.2A CN201810429111A CN108608225B CN 108608225 B CN108608225 B CN 108608225B CN 201810429111 A CN201810429111 A CN 201810429111A CN 108608225 B CN108608225 B CN 108608225B
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China
Prior art keywords
workbench
pull pin
exchange
chain wheel
chain
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CN201810429111.2A
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CN108608225A (en
Inventor
徐新朋
潘卫国
任东
石征飞
缪申
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Nantong Guosheng Intelligent Technology Group Co ltd
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Nantong Guosheng Intelligent Technology Group Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/64Movable or adjustable work or tool supports characterised by the purpose of the movement
    • B23Q1/66Worktables interchangeably movable into operating positions

Abstract

The invention discloses a workbench exchange structure of a precise double-station horizontal machining center, which comprises a pull pin and hook mechanism, a chain wheel transmission mechanism, a workbench sliding guide mechanism, a limiting device and a cylinder locking mechanism. The machine tool of the invention is equipped with two work tables. When the machine works, one workbench processes parts in the machine tool, and the other workbench stops at the workbench exchange station to clamp the parts. After the parts in the machine tool are machined, the exchange mechanism of the workbench exchange station firstly conveys the workbench in the machine tool and the parts clamped on the workbench to one station on the exchange station, and then conveys the workbench on the other station on the exchange station and the parts clamped on the workbench to the machine tool.

Description

Workbench exchange structure of precise double-station horizontal machining center
Technical Field
The invention relates to the field of numerical control horizontal machining centers, in particular to a workbench exchange structure of a precise double-station horizontal machining center.
Background
In the field of machining, a plurality of machining tool bases are provided with a table for holding a workpiece, such as a vertical machining center, a horizontal boring and milling machine, a horizontal five-axis/six-axis machine, or a planer type milling machine. In order to improve the production efficiency, these machining masters often have more than two working platforms, and when one of the loaded workpieces is machined in the machining master on the working platform, the other working platform simultaneously unloads or fixes the other workpiece. Therefore, after the previous processing is finished, the replacement of the workbench can be quickly finished, so that the time for directly unloading and fixing the workpiece on the working mother machine is shortened.
However, there is still a need for improvement of the above-mentioned switching device, such as: the translation type workbench exchange device is characterized in that two workbench exchange devices are arranged in front of a main machine, and when one workbench is used for executing machining operation, an operator can replace a machined part of the other workbench. However, most of the driving mechanisms of the translation-type worktable exchange device are arranged below the worktable, and the worktable exchange device cannot rotate due to the double-track sliding design, and the partial angles are not beneficial to the operator to replace the machined parts, so that the fixing and unloading efficiency on the worktable is affected.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the defects of the prior art, the invention provides a workbench exchange structure of a precise double-station horizontal machining center.
The technical scheme is as follows: a workbench exchange structure of a precise double-station horizontal machining center comprises a pull pin and hook mechanism, a chain wheel transmission mechanism, a workbench supporting plate sliding guide mechanism, a limiting device and a cylinder locking mechanism;
the pull pin and hook mechanism comprises: the pull pin consists of a shaft and a roller bearing, the roller bearing is arranged on the shaft, the pull pin is integrally fixed with a chain, the chain drives the pull pin to move, and the pull pin hooks a drag hook on the workbench to drive the whole workbench to move forwards;
the chain wheel transmission mechanism comprises: the pull pin is arranged on the side part of the chain and is driven to move through the transmission of the chain wheel; the bottom of the driving shaft is provided with a motor, the driving shaft is provided with a bearing and is arranged in the bearing seat and rotates relatively, the chain wheel is fixedly matched with the driving shaft through an inner hexagon screw, when the motor is electrified and rotates, the driving shaft is driven to rotate so as to drive the chain wheel to rotate, and the driven shaft is driven by a chain to rotate so as to drive the pull pin to move back and forth;
the workbench supporting plate sliding guide mechanism comprises: the worktable supporting plate sliding guide mechanism is formed by vertically mounting a plurality of roller bearings, the bottom of the worktable is provided with a groove, and the groove moves the worktable to the bottommost part of the exchange station along the path of the roller bearings;
the limiting device is characterized in that: the tail end of the workbench exchange structure is provided with a travel switch and a hard limit, when the workbench moves to the tail end, the travel switch is triggered to stop the motor of the driving chain wheel, and the workbench stops moving;
the cylinder locking mechanism is characterized in that: when the workbench moves to the tail end of the exchange table, the workbench needs to be locked, a workpiece is convenient to clamp, the locking mechanism is an air cylinder, when the workbench moves to a stopping point, the air cylinder jacks upwards and is inserted into the locking mechanism in the workbench, and the front and back movement of the workbench is limited.
Has the advantages that: the machine tool of the invention is equipped with two work tables. When the machine works, one workbench processes parts in the machine tool, and the other workbench stops at the workbench exchange station to clamp the parts. After the parts in the machine tool are machined, the exchange structure of the workbench exchange station firstly conveys the workbench in the machine tool and the parts clamped on the workbench to one station on the exchange station, and then conveys the workbench on the other station on the exchange station and the parts clamped on the workbench to the machine tool.
Drawings
FIG. 1 is a schematic structural view of the pull pin and hook mechanism of the present invention;
FIG. 2 is a schematic view of the overall construction of the sprocket drive mechanism of the present invention;
FIG. 3 is a partial schematic view of the sprocket drive of the present invention;
FIG. 4 is a schematic structural view of the platform slide guide mechanism of the present invention;
FIG. 5 is a schematic view of the stop device of the present invention;
fig. 6 is a schematic structural view of the cylinder lock mechanism of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below so that those skilled in the art can better understand the advantages and features of the present invention, and thus the scope of the present invention will be more clearly defined. The embodiments described herein are only a few embodiments of the present invention, rather than all embodiments, and all other embodiments that can be derived by one of ordinary skill in the art without inventive faculty based on the embodiments described herein are intended to fall within the scope of the present invention.
Examples
A workbench exchange structure of a precise double-station horizontal machining center comprises a pull pin and hook mechanism, a chain wheel transmission mechanism, a workbench supporting plate sliding guide mechanism, a limiting device and a cylinder locking mechanism.
A pin pulling and hook pulling mechanism: the pull pin 1 consists of a shaft 2 and a roller bearing 3, the roller bearing 3 is arranged on the shaft 2, as shown in detail in figure 1, the whole pull pin 1 is fixed with a chain 4, the chain 4 drives the pull pin 1 to move, and the pull pin 1 hooks a drag hook on a workbench 5 to drive the whole workbench to move forwards.
The chain wheel transmission mechanism comprises: the pull pin 1 is arranged at the side part of the chain 4 and is driven by the chain wheel 6 to move; the motor is installed to driving shaft 7 bottom, and driving shaft 7 facial make-up bearing 8 is adorned in the bearing frame inside, and relative rotation, sprocket 6 and driving shaft 7 pass through hexagon socket head cap screw fixed cooperation, and when the motor circular telegram was rotatory, thereby drive driving shaft 7 and rotate and drive sprocket 6 rotatory, drive driven shaft 9 through chain 4 and rotate drive pull pin 1 round trip movement, as figure 3.
As shown in fig. 4, the table pallet slide guide mechanism: the worktable supporting plate sliding guide mechanism is formed by vertically mounting a plurality of roller bearings 10, the bottom of the worktable 5 is provided with a groove, and the groove moves the worktable 5 to the bottommost part of the exchange station along the path of the roller bearings 10.
As shown in fig. 5, the stopper: the tail end of the workbench exchange structure is provided with a travel switch 11 and a hard limit 12, when the workbench moves to the tail end, the travel switch 11 is triggered to stop the motor driving the chain wheel, and the workbench stops moving.
As shown in fig. 6, the cylinder lock mechanism: when the working table moves to the tail end of the exchange table, the working table needs to be locked, so that the workpiece can be clamped conveniently. The locking mechanism is an air cylinder 13, when the workbench moves to a stopping point, the air cylinder 13 jacks upwards and is inserted into the locking mechanism in the workbench to limit the workbench to move forwards and backwards.
The machine tool of the invention is equipped with two work tables. When the machine works, one workbench processes parts in the machine tool, and the other workbench stops at the workbench exchange station to clamp the parts. After the parts in the machine tool are machined, the exchange structure of the workbench exchange station firstly conveys the workbench in the machine tool and the parts clamped on the workbench to one station on the exchange station, and then conveys the workbench on the other station on the exchange station and the parts clamped on the workbench to the machine tool.

Claims (1)

1. The utility model provides a workstation exchange structure of horizontal machining center in accurate duplex position which characterized in that: the device comprises a pull pin and hook mechanism, a chain wheel transmission mechanism, a workbench supporting plate sliding guide mechanism, a limiting device and a cylinder locking mechanism;
the pull pin and hook mechanism comprises: the pull pin consists of a shaft and a roller bearing, the roller bearing is arranged on the shaft, the pull pin is integrally fixed with a chain, the chain drives the pull pin to move, and the pull pin hooks a drag hook on the workbench to drive the whole workbench to move forwards;
the chain wheel transmission mechanism comprises: the pull pin is arranged on the side part of the chain and is driven to move through chain wheel transmission, the motor is arranged at the bottom of the driving shaft, a bearing is arranged on the driving shaft and is arranged in the bearing seat to rotate relatively, the chain wheel is fixedly matched with the driving shaft through an inner hexagon screw, when the motor is electrified and rotated, the driving shaft is driven to rotate so as to drive the chain wheel to rotate, and the driven shaft is driven by the chain to rotate so as to drive the pull pin to move back and forth;
the workbench supporting plate sliding guide mechanism comprises: the worktable supporting plate sliding guide mechanism is formed by vertically mounting a plurality of roller bearings, the bottom of the worktable is provided with a groove, and the groove moves the worktable to the bottommost part of the exchange station along the path of the roller bearings;
the limiting device is characterized in that: the tail end of the workbench exchange structure is provided with a travel switch and a hard limit, when the workbench moves to the tail end, the travel switch is triggered to stop the motor of the driving chain wheel, and the workbench stops moving;
the cylinder locking mechanism is characterized in that: when the workbench moves to the tail end of the exchange table, the workbench needs to be locked, a workpiece is convenient to clamp, the locking mechanism is an air cylinder, when the workbench moves to a stopping point, the air cylinder jacks upwards and is inserted into the locking mechanism in the workbench, and the front and back movement of the workbench is limited.
CN201810429111.2A 2018-05-08 2018-05-08 Workbench exchange structure of precise double-station horizontal machining center Active CN108608225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810429111.2A CN108608225B (en) 2018-05-08 2018-05-08 Workbench exchange structure of precise double-station horizontal machining center

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Application Number Priority Date Filing Date Title
CN201810429111.2A CN108608225B (en) 2018-05-08 2018-05-08 Workbench exchange structure of precise double-station horizontal machining center

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CN108608225B true CN108608225B (en) 2021-03-26

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101176948A (en) * 2006-11-09 2008-05-14 深圳市大族激光科技股份有限公司 Worktable exchange device for laser cutting machine tool
CN102248409A (en) * 2011-07-19 2011-11-23 威海利奥泰儆自动化设备有限公司 Adjustable clearance-type rapid roller guide track
CN107350823A (en) * 2017-08-03 2017-11-17 深圳市嘉业精密五金有限公司 A kind of high-accuracy clamp exchanges the axle workbench of CNC tetra-

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE480374A (en) * 1947-03-15
CN101569992A (en) * 2008-04-29 2009-11-04 陈丰田 Device capable of automatically exchanging worktables according to sizes of workpieces for computer numerical control horizontal integrating machining machine
CN101569993A (en) * 2008-04-29 2009-11-04 陈丰田 Device capable of automatically exchanging worktables according to sizes of workpieces for computer numerical control vertical integrating machining machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101176948A (en) * 2006-11-09 2008-05-14 深圳市大族激光科技股份有限公司 Worktable exchange device for laser cutting machine tool
CN102248409A (en) * 2011-07-19 2011-11-23 威海利奥泰儆自动化设备有限公司 Adjustable clearance-type rapid roller guide track
CN107350823A (en) * 2017-08-03 2017-11-17 深圳市嘉业精密五金有限公司 A kind of high-accuracy clamp exchanges the axle workbench of CNC tetra-

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