CN209850006U

CN209850006U - Band sawing machine

Info

Publication number: CN209850006U
Application number: CN201822119093.6U
Authority: CN
Inventors: 王葛勇; 吕俊
Original assignee: ZHEJIANG HUJIN MACHINE TOOL CO Ltd
Current assignee: ZHEJIANG HUJIN MACHINE TOOL CO Ltd
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2019-12-27
Anticipated expiration: 2028-12-17

Abstract

The utility model discloses low and because the sawing machine procedure makes mistakes and leads to cutting accuracy mistake scheduling problem among the prior art cutting accuracy, provide a band sawing machine, belong to cutting device technical field, including servo motor, electric connection speed reducer on servo motor, with speed reducer fixed connection's speed reducer frame, set up the shaft coupling in the speed reducer frame and rotate the ball screw who is connected through bearing and speed reducer frame, the axle head of above-mentioned ball screw passes through the shaft coupling with speed reducer motor's output shaft and rotates and be connected, the last rotation of ball screw is connected with the screw nut seat, the mount is equipped with the tripod that is used for laying the sash on the screw nut seat. The utility model discloses a band sawing machine advantage lies in that cutting accuracy is high and can guarantee that the material can not be damaged by the cutting and can also guarantee the cutting accuracy of material simultaneously when the mistake is gone out to the machine tool control procedure.

Description

Band sawing machine

Technical Field

The utility model belongs to the technical field of the band sawing machine, concretely relates to band sawing machine.

Background

The band sawing machine is a machine tool equipment which uses metal saw blade as cutting tool and is used for cutting material, and because the use of saw blade to cut the incision is narrow, the cutting efficiency is high, therefore, the energy consumption is small, the material waste is less, the band sawing machine is an efficient cutting machine tool equipment with obvious energy-saving and material-saving effects, along with new materials, the increase of sawing noble metal materials, the requirement for sawing precision is higher and higher, because the deviation size of sawing directly influences the utilization ratio and the manufacturing cost of the material, and the traditional sawing machine needs one person to operate one table, the sawing precision can not be guaranteed, and the band sawing machine is grasped by operators according to actual experience.

In the prior art, the cutting precision of a band sawing machine is generally controlled by controlling the band sawing machine to cut through a numerical control technology, but the band sawing machine is easy to generate concave sawing, bending of a cut surface and other problems after working for a long time, so that the cutting precision is reduced, and a sawed workpiece is damaged due to wrong sawing feeding depth caused by program errors.

SUMMERY OF THE UTILITY MODEL

The utility model provides a reliable, saw cut stable band sawing machine of structure through set up a stopper on the response piece workstation bottom screw nut seat workstation, realizes the spacing to saw cutting the position, the effectual problem of having solved among the prior art.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a band sawing machine comprises a servo motor, a speed reducer electrically connected with the servo motor, a speed reducer base fixedly connected with the speed reducer, a coupler arranged in the speed reducer base and a ball screw rotatably connected with the speed reducer base through a bearing, wherein the shaft end of the ball screw is rotatably connected with an output shaft of the speed reducer motor through the coupler, the ball screw is rotatably connected with a screw nut seat, a tripod for placing a saw frame is arranged on a fixed frame of the screw nut seat, a worktable for placing sawn objects is fixedly arranged below the saw frame, a circuit protection system is arranged in the screw rod nut seat, the circuit protection system comprises a power supply, a servo motor, a partially disconnected lead and a conductive rod which can be movably lapped with the disconnected part of the lead, the lower part of the conducting rod is fixedly connected with an induction block, and a limit block matched with the induction block for working is movably arranged on the workbench.

Furthermore, the circuit protection system is electrically connected with a power switch. The power switch is arranged, so that the power switch can be manually intervened and disconnected when the conducting rod is separated from the conducting wire in the circuit of the protection system, and the influence on safety due to circuit recovery is prevented.

Furthermore, a sliding groove is formed below the surface sensing block of the workbench, and the limiting block is movably placed under the sensing block. After the circuit protection system is disconnected due to the fact that the sensing block is in contact with the limiting block, the sliding groove is arranged, the limiting block can be conveniently taken out of the workbench, and the sensing block can automatically fall down for gravity to reconnect the circuit protection system.

Furthermore, the limiting block comprises a plurality of limiting pieces with the same structure, pin holes are formed in the surfaces of the limiting pieces, and pins capable of fixing the limiting pieces are movably inserted in the pin holes. The structure with the multiple layers of limiting pieces can adjust the height of the limiting blocks according to different cutting requirements of different workpieces.

Furthermore, a hydraulic oil cylinder for balancing weight is fixedly arranged in the saw frame. The hydraulic oil cylinder is arranged, so that the load of the ball screw can be reduced, and the service life of the ball screw is prolonged.

The utility model has the following characteristics and beneficial effect:

the utility model relates to a band sawing machine drives the rotatory ball screw seat that drives of ball screw through servo motor drive and goes up and down, and the sash saw cuts work along with ball screw, and servo drive system's control can guarantee the accuracy nature of depth of cut at every turn, through set up circuit protection system in the ball screw seat can effectually in time break circuit when sawing machine control system makes mistakes and effectually avoid the saw band to damage the work piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a band sawing machine of the present invention;

FIG. 2 is a schematic structural diagram of the closed state of the circuit protection system in the band sawing machine of the present invention;

FIG. 3 is a schematic structural diagram of the circuit protection system of the band saw machine according to the present invention in an off state;

fig. 4 is the utility model relates to a structural schematic diagram of stopper in band sawing machine.

In the figure, 1-servomotor; 2, a speed reducer; 3-a speed reducer base; 4-a coupler; 5-a bearing; 6-ball screw; 7-a screw mandrel nut seat; 8-tripod; 9-a workbench; 10-a sensing block; 11-a power supply; 12-a wire; 13-a conductive rod; 14-a power switch; 15-a limiting block; 151-limiting piece; 152-pin holes; 153-pin; 16-chute.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, a schematic structural diagram of a band sawing machine includes a servo motor 1, a speed reducer 2 electrically connected to the servo motor 1, a speed reducer base 3 fixedly connected to the speed reducer 2 through bolts, a coupling 4 disposed in the speed reducer base 3, and a ball screw 6 rotatably connected to the speed reducer base 3 through a bearing 5, wherein an end of the ball screw 6 is rotatably connected to an output shaft of the speed reducer motor 3 through the coupling 4, the ball screw 6 is rotatably connected to a screw nut base 7, a tripod 8 for mounting a saw frame is disposed on the screw nut base 7, a hydraulic cylinder for balancing weight is fixedly disposed in the saw frame, the hydraulic cylinder is disposed to reduce a load of the ball screw and prolong a service life of the ball screw, a worktable 9 for placing saw-cut objects is fixedly disposed below the saw frame, a chute 16 is disposed below a surface sensing block 10 of the worktable 8, stopper 15 activity is placed under response piece 10, after response piece and stopper contact lead to the circuit protection system disconnection, set up spout 16 and be convenient for take out the stopper from the workstation and make the response piece should be gravity automatic fall reconcile circuit protection system, the inside circuit protection system that is provided with of lead screw nut seat 7, circuit protection system electric connection has power 11, servo motor 1, the wire 12 of part disconnection and can with the lapped conducting rod 13 of 12 disconnection activity of wire, conducting rod 13 lower part fixedly connected with response piece 10, the activity is placed on workstation 9 one with response piece cooperation work stopper 15.

Referring to fig. 2 and 3, the circuit protection system is in a closed state and an open state, the circuit protection system is further electrically connected with a power switch 14, the power switch 14 is arranged, the power switch can be manually intervened and disconnected when a circuit of the protection system is separated from a conducting rod 13 and a conducting wire 12, the situation that the operation safety is affected due to circuit recovery is avoided, the power switch is closed and the whole circuit is communicated when the sawing machine normally works, and when a program of the sawing machine is wrong, an induction block is in contact with a limiting block, so that the conducting rod is ejected out to disconnect the circuit, and the whole sawing machine stops working.

Referring to fig. 4, the structure of the limiting block is schematically illustrated, the limiting block 15 includes a plurality of limiting pieces 151 having the same structure, pin holes 152 are formed in the surfaces of the limiting pieces 151, pins 153 capable of fixing the limiting pieces 151 are movably inserted into the pin holes 152, the height of the limiting block can be adjusted according to different cutting requirements of different workpieces by the structure with a plurality of layers of limiting pieces, and the limiting height can be adjusted by plugging the limiting pieces or pulling out the limiting pieces.

The working principle is as follows:

when the sawing machine normally works, the induction block naturally hangs under the action of gravity to close the conductive rod and the circuit protection system communicated with the conducting wire, the upper part and the lower part of the saw frame are controlled by a ball screw driven by a servo motor and a speed reducer, according to the requirement of the sawing depth of a workpiece, the sawing depth is set through the programmable control system and the servo driving system, the saw frame automatically ascends after the saw is sawed to the specified depth, when the control program of the sawing machine is wrong, the screw rod nut seat is uncontrollably continued to descend for cutting, when the cutting limit is reached, the induction block is contacted with the limit block, the limit block ejects out the whole circuit of the conductive rod connected with the induction block, the sawing machine is disconnected and stops working, at the moment, a worker turns on the power switch, then the limited block is drawn out from the sliding groove, at the moment, the induction block falls down again to reconnect the conductive rod with the lead, however, since the power switch off circuit is still in an open-close state, the saw frame can normally work when the power switch is closed after a worker adjusts a control program.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a band sawing machine, includes servo motor, electric connection speed reducer on servo motor, with speed reducer fixed connection's speed reducer seat, set up the shaft coupling in the speed reducer seat and rotate the ball screw who is connected through bearing and speed reducer seat, the axle head of above-mentioned ball screw passes through the shaft coupling with speed reducer motor's output shaft and rotates and be connected, the last rotation of ball screw is connected with screw-nut seat, its characterized in that: the utility model discloses a sawing machine, including lead screw nut seat, circuit protection system, lead screw nut seat upper fixed mount are equipped with the tripod that is used for laying the hacksaw, the fixed workstation that is used for placing the saw cutting thing that is provided with in hacksaw below, the inside circuit protection system that is provided with of lead screw nut seat, circuit protection system includes the wire of power, servo motor, part disconnection and can with the lapped conducting rod of wire disconnection department activity, conducting rod lower part fixedly connected with response piece, a stopper with response piece cooperation work is placed in the activity on the workstation.

2. A band saw machine according to claim 1, wherein: the circuit protection system is also electrically connected with a power switch.

3. A band saw machine according to claim 1 or 2, wherein: a sliding groove is formed below the surface sensing block of the workbench, and the limiting block is movably placed under the sensing block.

4. A band saw machine according to claim 1 or 2, wherein: the limiting block comprises a plurality of limiting pieces with the same structure, pin holes are formed in the surfaces of the limiting pieces, and pins capable of fixing the limiting pieces are movably inserted in the pin holes.

5. A band saw machine according to claim 1 or 2, wherein: and a hydraulic oil cylinder for balancing weight is fixedly arranged in the saw frame.