CN105149641A

CN105149641A - Pneumatic automatic feeding type bench drill

Info

Publication number: CN105149641A
Application number: CN201510687966.1A
Authority: CN
Inventors: 刘开成
Original assignee: Chuzhou Pinzhida Electrical Technology Co Ltd
Current assignee: Chuzhou Pinzhida Electrical Technology Co Ltd
Priority date: 2015-10-18
Filing date: 2015-10-18
Publication date: 2015-12-16

Abstract

The invention discloses a pneumatic automatic feeding type bench drill which comprises a bench drill body and a feeding mechanism. The bench drill body comprises a double-bit mechanism and a lifting mechanism. The double-bit mechanism comprises an installation tray, a main shaft, a driving wheel, a first transmission shaft, a first driven wheel, a first drill bit, a second transmission shaft, a second driven wheel and a second drill bit. The main shaft synchronously drives the first drill bit and the second drill bit to rotate. The feeding mechanism comprises a frame body, a feeding hopper, a material blocking piece, a discharging hopper, a material conveying wheel and an air cylinder. A material groove is formed in the peripheral wall of the material conveying wheel. The material conveying wheel is provided with a first sliding block used for clamping a workpiece in the material groove, a first guide rail, a material clamping air cylinder used for driving the first sliding block to slide in a reciprocating mode, a second sliding block used for ejecting the workpiece, a second guide rail and a discharging air cylinder used for driving the second sliding block to slide in a reciprocating mode. The pneumatic automatic feeding type bench drill is capable of achieving automatic feeding, clamping and discharging.

Description

A kind of pneumatic automatic feeding type bench drill

Technical field

The invention belongs to Machining Technology field, be specifically related to a kind of pneumatic automatic feeding type bench drill.

Background technology

There is a kind of circular power transmission shaft, its two ends are provided with the symmetrical through hole radially running through axis body, traditional processing method bores the other end again after utilizing bench drill to bore one end, the weak point of this processing mode is: primary need two procedures, second when processing the other end, in order to make two to hole symmetrical, need to locate accurately, this point greatly adds technology difficulty.In addition, in traditional processing mode, there is no automatic feed and discharging mechanism, cause working (machining) efficiency slower.

Summary of the invention

The object of this invention is to provide a kind of pneumatic automatic feeding type bench drill that can realize automatic feed, material folding and discharging.

The technical scheme realizing the object of the invention is: a kind of pneumatic automatic feeding type bench drill, comprises table drill body and feeding mechanism; Table drill body comprises two drill mechanism and for driving two drill mechanism to do the elevating mechanism moved up and down; Two drill mechanism comprises mounting disc, rotate and be arranged on the main shaft of mounting disc center, the driving wheel be fixed on main shaft, rotate and be arranged on the first power transmission shaft in mounting disc, be fixedly installed on the first driven pulley of the first power transmission shaft upper end, be arranged on the first drill bit of the first power transmission shaft lower end, rotate the second driving shaft be arranged in mounting disc, be fixedly installed on the second driven pulley of second driving shaft upper end and be arranged on the second drill bit of second driving shaft lower end; Main shaft synchronously drives the first driven pulley and the second driven pulley to rotate by driving wheel, and then synchronously drives the first drill bit and the second drill bit rotational; Main shaft, the first power transmission shaft and second driving shaft are all arranged along plumb line direction;

Feeding mechanism comprises support body, feed hopper, backgauge part, discharging hopper, material transfer wheel and the cylinder for driving material transfer to take turns reciprocating rotation; Backgauge part is arranged on feed hopper exit, and backgauge part is provided with two through holes along the vertical direction, and the first drill bit and the second drill bit are movable to downwards and stretch in corresponding through hole; Feed hopper is along distance backgauge part from as far as the downward-sloping setting near direction; Discharging hopper is positioned at immediately below feed hopper, and discharging hopper is along the distance downward-sloping setting in the direction of backgauge part near to far away, and the periphery wall of all adjacent material transfer wheel of feed hopper outlet and discharging hopper throat is arranged; Be provided with the blanking clearance for the workpiece to be processed that drops between backgauge part and feed hopper outlet, the through hole of backgauge part and discharging hopper throat are positioned at the both sides of blanking clearance; The rotation of material transfer wheel is arranged on support body; The periphery wall of material transfer wheel is provided with hopper, and the bearing of trend of hopper is parallel with the center of rotation axis direction that material transfer is taken turns; Material transfer wheel be provided with for by the first guide rail of first slide block of Workpiece clamping in hopper and the first slide rail adaptation, the material folding cylinder being used for driving the first slide block to reciprocatingly slide, be used for pushing up pressure the second slide block of workpiece and the second guide rail of the second slide block adaptation and be used for the discharging cylinder that drives the second slide block to reciprocatingly slide; Described first slide block, the first guide rail, the second slide block and the second guide rail are arranged in hopper; The cylinder body of cylinder rotates and is arranged on support body, and cylinder piston rotates and is arranged on material transfer wheel, and cylinder piston drives material transfer wheel reciprocating rotation within the scope of certain angle.

The present invention can automatic feed, material folding and discharging, structure comparatively simplifies compact; In addition, the present invention performs an action owing to adopting cylinder, for traditional electric operating, obviously promotes operating efficiency.

Accompanying drawing explanation

Fig. 1 is a kind of perspective view of the present invention;

Fig. 2 is a kind of perspective view of two drill mechanism in bench drill shown in Fig. 1;

Fig. 3 is a kind of explosive view of two drill mechanism shown in Fig. 2;

Fig. 4 is a kind of explosive view when two drill mechanism is observed from another angle shown in Fig. 2.

Fig. 5 is a kind of perspective view of air-actuated feeding mechanism in bench drill shown in Fig. 1;

Fig. 6 is that the mechanism of air-actuated feeding shown in Fig. 5 removes after part support body from a kind of perspective view during another angle views;

Fig. 7 is a kind of structural representation that the mechanism of air-actuated feeding shown in Fig. 6 is in processing stations;

Fig. 8 is the close-up schematic view at A place in Fig. 7;

Fig. 9 is that the mechanism of air-actuated feeding shown in Fig. 7 is in a kind of structural representation getting rid of material station;

Figure 10 is a kind of structural representation that the mechanism of air-actuated feeding shown in Fig. 7 is in splicing station.

Figure 11 is a kind of structural representation of material transfer wheel assembly in the mechanism of air-actuated feeding shown in Fig. 7.

Figure 12 is a kind of perspective view of material transfer wheel in the mechanism of air-actuated feeding shown in Fig. 7.

Detailed description of the invention

(embodiment 1)

Fig. 1 to Figure 12 shows a kind of detailed description of the invention of the present invention.

The present embodiment is a kind of pneumatic automatic feeding type bench drill, sees shown in Fig. 1 to Figure 12, and this bench drill comprises table drill body 1 and feeding mechanism 2.

Table drill body 1 comprises two drill mechanism 3 and for driving two drill mechanism 3 to do the elevating mechanism (figure does not draw) moved up and down.

Two drill mechanism 3 comprises mounting disc 4, rotate and be arranged on the main shaft 31 of mounting disc center, the driving wheel 32 be fixed on main shaft, rotate and be arranged on the first power transmission shaft 33 in mounting disc, be fixedly installed on the first driven pulley 34 of the first power transmission shaft upper end, be arranged on the first drill bit 35 of the first power transmission shaft lower end, rotate the second driving shaft 36 be arranged in mounting disc, be fixedly installed on the second driven pulley 37 of second driving shaft upper end and be arranged on the second drill bit 38 of second driving shaft lower end; Main shaft synchronously drives the first driven pulley and the rotation of the second driven pulley by driving wheel, and also namely synchronous the first power transmission shaft and the second driving shaft of driving rotates, and then synchronously drives the first drill bit and the second drill bit rotational.

Main shaft, the first power transmission shaft and second driving shaft are all arranged along plumb line direction; Driving wheel, the first driven pulley and the second driven pulley are arranged on mounting disc inside.

On main shaft 31, edge is provided with main shaft clutch shaft bearing 311, main shaft upper bearing (metal) 312 and main shaft lower bearing 313 in direction from top to bottom successively, and driving wheel is between main shaft upper bearing (metal) and main shaft lower bearing.Main shaft is passed down through and stretches out mounting disc, and the axis body that main shaft stretches out mounting disc is downwards provided with main shaft coupling sleeve 315, and this main shaft coupling sleeve rotates with spindle synchronous; In concrete practice, this main shaft can be utilized to connect sheath and to connect chuck of machine tool or the 3rd drill bit, to realize the advantage of one-machine-multi-function.

First power transmission shaft 33 is provided with the below that the first power transmission shaft upper bearing (metal) 331 and the first power transmission shaft lower bearing 332, first drive are arranged on the first power transmission shaft lower bearing successively along direction from top to bottom.

Second driving shaft 36 is provided with the top that second driving shaft upper bearing (metal) 361 and second driving shaft lower bearing 362, second drive are arranged on second driving shaft upper bearing (metal) successively along direction from top to bottom.

Mounting disc is made up of a plate 41, No. two plates 42, No. three plates 43, No. four plates 44, No. five plates 45 and No. six plates 46, and each plate is arranged all in the horizontal direction.

Plate 41 crimping is fixed on the roof of No. two plates.

The diapire that plate 41 is provided with a centre bore 411, arcuate socket 412, two mounting holes 413 and multiple screws 414, plate is provided with the storage tank 415 for accommodating No. two plates, and this storage tank is positioned at immediately below an arcuate socket; Main shaft clutch shaft bearing 311 is arranged in a centre bore.

The center of No. two plates 42 is provided with in No. two centre bores 421, No. two centre bores and is provided with the first power transmission shaft upper bearing (metal) 331.

No. two plates are arranged in the storage tank of a plate, and crimped separately by bolt be fixedly installed on No. three plates roof on, and No. two plates are before fixing, and can slide in the storage tank of a plate, also namely the storage tank of a plate is that No. two plates leave mobile space.

No. three plates 43 are provided with No. three centre bores 431, two No. three mounting holes 432, No. three arcuate socket 433, No. three circular hole 434 and multiple No. three screws 435, two No. three mounting holes, No. three arcuate sockets, No. three circular holes and multiple three plate screws are all positioned at outside No. three centre bores; Be provided with in No. three centre bores in main shaft upper bearing (metal) 312, No. three circular holes and be provided with the first power transmission shaft lower bearing 332.

No. four plates 44 are provided with No. four centre bores 441, two No. four arcuate sockets 442 and multiple No. four screws 443; The bottom of No. four centre bores is provided with main shaft lower bearing 313; Two No. four arcuate sockets are positioned at the both sides of No. four centre bores and become axial symmetry to arrange, and each No. four arcuate sockets are communicated with No. four centre bores.

Driving wheel is arranged in No. four centre bores, and between main shaft lower bearing and main shaft upper bearing (metal); First drive and the second drive are arranged in corresponding No. four arcuate socket separately.

5th plate 45 is provided with No. five centre bores 451, be positioned in two No. five mounting holes, 452, No. five arcuate socket, 453, No. five circular hole 454 of main shaft upper bearing (metal) both sides and multiple No. five screws 455, No. five centre bores and be provided with second driving shaft upper bearing (metal) 361.

6th plate 46 is provided with in No. six centre bores 461, No. six centre bores and is provided with second driving shaft lower bearing 362.

No. two plates are arranged in the storage tank of a plate, and a plate and No. two plates are crimped on the roof of No. three plates, and No. three plates are crimped on the roof of No. four plates, and No. four plates are crimped on the roof of No. five plates, and No. six plates are fixed on the diapire of No. five plates.

First transmission main shaft, along direction from top to bottom, passes No. four arcuate sockets 442 for No. three circular holes 434, No. four plates and No. five arcuate sockets 453 of No. five plates of No. two centre bores 421, No. three plates of an arcuate socket 412, No. two plates of a plate successively.

Second driving shaft, along direction from top to bottom, passes No. five circular holes 454 of another No. four arcuate sockets 442, No. five plates on No. four plates and No. six centre bores 461 of No. six plates successively.

A plate 41, No. two plates 42, No. three plates 43 and No. four plates 44 are connected and fixed by multiple bolt assembly, and No. four plates 44, No. five plates 45 and No. six plates 46 are fixed by other multiple bolt assembly.

This mounting disc has the following advantages: be conducive to the spacing between adjustment first drill bit and the second drill bit, to adapt to the workpiece to be added of different drill change.When adjusting, only need process another No. three circular holes and the fastening screw with No. two plate adaptations on No. three plates, then ressembling the position of i.e. adjustable first power transmission shaft; No. five plates process another No. five circular holes and the fastening screw with No. six plate adaptations, then ressembles the position of i.e. adjustable second driving shaft; This thinks that all the other holes are all that the first power transmission shaft and second driving shaft have reserved adjusting play.Also No. three standby plates for subsequent use or No. five standby plates can be selected, the position difference to some extent of No. three circular holes in the position of No. three circular holes on these No. three standby plates and the present embodiment, the position difference to some extent of No. five circular holes in the position of No. five circular holes on these No. five standby plates and the present embodiment, being assembled into the mode of new mounting disc by directly using standby plate instead, also can the spacing between the first drill bit and the second drill bit suitably being adjusted.

Air-actuated feeding mechanism 2 comprise support body 21, feed hopper 22, backgauge part 23, discharging hopper 24, material transfer wheel assembly, for driving material transfer to take turns the cylinder 26 of reciprocating rotation.

Backgauge part is arranged on feed hopper and exports 221 places, and backgauge part is provided with two through holes 231 along the vertical direction; The shape of each through hole is circular; The basal surface of backgauge part is horizontal plane.

Feed hopper is along distance backgauge part from as far as the downward-sloping setting near direction; Discharging hopper is positioned at immediately below feed hopper, and discharging hopper is along the distance downward-sloping setting in the direction of backgauge part near to far away, and the periphery wall of all adjacent material transfer wheel of feed hopper outlet 221 and discharging hopper throat 241 is arranged.

Be provided with the blanking clearance 27 for the workpiece to be processed 100 that drops between backgauge part and feed hopper outlet, the through hole of backgauge part and discharging hopper throat 241 are positioned at the both sides of blanking clearance.

In the present embodiment, backgauge part 23 comprises fixed head 233 and adjustable plate 234, and fixed head is fixedly installed on support body, and adjustable plate is arranged on support body by bolt assembly is adjustable; Two through holes are arranged on fixed head, and are positioned at the both sides of adjustable plate.By unscrewing bolt assembly, adjustable plate can move forward and backward along distance feed hopper from as far as near direction, thus the width of adjustment blanking clearance, when being adjusted to proper width, screwing bolts assembly again, thus adjustable plate is fixedly installed on support body.

Material transfer wheel assembly comprise material transfer wheel 25 and the first slide block 51 be arranged on material transfer wheel and the first slide rail adaptation the first guide rail 52, for material folding cylinder 53, second slide block 54 that drives the first slide block to reciprocatingly slide and the second guide rail 55 of the second slide block adaptation and the discharging cylinder 56 for driving the second slide block to reciprocatingly slide.

The rotation of material transfer wheel is arranged on support body; The periphery wall of material transfer wheel is provided with hopper 251, and the bearing of trend of hopper is parallel with the center of rotation axis direction that material transfer is taken turns.The shape of the hopper in the present embodiment is U-shaped.

The center of material transfer wheel periphery wall is also circumferentially provided with annular breach 252, runs through the bearing pin 253 of this annular breach and central shaft hole 254, and central shaft hole is positioned at wheel and plays center, and bearing pin is positioned at outside central shaft hole.The bearing of trend of bearing pin is parallel with the center of rotation axis direction that material transfer is taken turns, and the cross sectional shape of this annular breach is rectangle.

The cylinder body 261 of cylinder rotates and is arranged on support body, and cylinder piston 262 rotates and is arranged on bearing pin, when cylinder piston extends and shortens, drives material transfer wheel reciprocating rotation within the scope of certain angle by bearing pin.

The course of work and the principle of feeding mechanism in the present embodiment are described below in conjunction with accompanying drawing:

See shown in Fig. 7 and Fig. 8, material transfer wheel is in processing stations; Now cylinder piston is stretched to most farm labourer position, and the hopper opening of material transfer wheel is positioned at immediately below two through holes on backgauge part; First guide rail 52 is arranged in the horizontal direction, and material folding cylinder can drive the first slide block to move back and forth along the first guide rail, also namely moves back and forth in the horizontal direction, and clamps in the process of movement or unclamp workpiece; Second guide rail is arranged along plumb line direction, and discharging cylinder can drive the second slide block to move back and forth along plumb line direction, and in the process of movement, workpiece is ejected hopper; When material transfer wheel is in processing stations, the first slide block clamping workpiece to be processed makes it be fixed in hopper; Second slide block is then pressed in workpiece to be processed top on the diapire of backgauge part, so this structure can be fixed from two angles workpiece, thus ensures the stability adding workpiece in man-hour.

As shown in Figure 9, material transfer wheel is in and gets rid of material station; Cylinder piston retraction in shown in Fig. 7, material transfer wheel is driven to turn to position shown in Fig. 9 along clockwise direction from position shown in Fig. 7, in the process, material transfer wheel hopper together with finished work wherein through blanking clearance, but owing to having finished work 200 in hopper now, therefore other workpiece to be processed can not fall to hopper from blanking clearance; Stop operating when material transfer wheel turns to position shown in Fig. 9, now first the first slide block retraction makes finished work loosen, and then finished work is then released hopper by the second slide block, makes finished work enter discharging hopper.

As shown in Figure 10, material transfer wheel is in splicing station; In shown in Fig. 9, cylinder piston extends, material transfer wheel is driven to turn to position shown in Figure 10 in the counterclockwise direction from position shown in Fig. 9, in this position, because the second cylinder bounces back to original position, make hopper keep vacant state, therefore in feed hopper, a nethermost workpiece to be processed drop in hopper from blanking clearance; After this cylinder piston continues to extend, and drives material transfer wheel to continue to take action in the counterclockwise direction, until arrive position shown in Fig. 7.

Feeding mechanism in the present embodiment can automatic feed, discharging and material folding; In addition, the present embodiment performs an action owing to adopting cylinder, for electric operating, obviously promotes operating efficiency.

Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.

Claims

1. a pneumatic automatic feeding type bench drill, comprises table drill body and feeding mechanism; Table drill body comprises two drill mechanism and for driving two drill mechanism to do the elevating mechanism moved up and down;

Two drill mechanism comprises mounting disc, rotate and be arranged on the main shaft of mounting disc center, the driving wheel be fixed on main shaft, rotate and be arranged on the first power transmission shaft in mounting disc, be fixedly installed on the first driven pulley of the first power transmission shaft upper end, be arranged on the first drill bit of the first power transmission shaft lower end, rotate the second driving shaft be arranged in mounting disc, be fixedly installed on the second driven pulley of second driving shaft upper end and be arranged on the second drill bit of second driving shaft lower end; Main shaft synchronously drives the first driven pulley and the second driven pulley to rotate by driving wheel, and then synchronously drives the first drill bit and the second drill bit rotational; Main shaft, the first power transmission shaft and second driving shaft are all arranged along plumb line direction;