CN105215408A - A kind of double end bench drill with automatic feeding mechanism - Google Patents

Abstract

The invention discloses a kind of double end bench drill with automatic feeding mechanism, comprise table drill body and automatic feeding mechanism; Table drill body comprises two drill mechanism and elevating mechanism; 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, the first power transmission shaft and second driving shaft are all arranged along plumb line direction; 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.The present invention can carry out drilling operation at axis body two ends simultaneously, effectively promotes working (machining) efficiency and reduces technology difficulty.

Description

A kind of double end bench drill with automatic feeding mechanism

Technical field

The invention belongs to Machining Technology field, be specifically related to a kind of double end bench drill with automatic feeding mechanism.

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 double end bench drill with automatic feeding mechanism that simultaneously can carry out drilling operation at axis body two ends.

The technical scheme realizing the object of the invention is: a kind of double end bench drill with automatic feeding mechanism, comprises table drill body and automatic 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, the first power transmission shaft and second driving shaft are all arranged along plumb line direction; 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; Dynamic 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; Feed hopper and discharging hopper are fixedly installed on support body; Backgauge part is arranged on feed hopper exit, and backgauge part is provided with two through holes along the vertical direction; First drill bit and the second drill bit, in the process moved down, pass a corresponding through hole separately to carry out boring work; 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; 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; 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 cylinder body of cylinder rotates and is arranged on support body, and cylinder piston 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;

Through blanking clearance when material transfer wheel turns to below backgauge part through hole from discharging hopper throat, the workpiece to be processed being arranged in feed hopper bottom falls to hopper from blanking clearance and is driven to through hole by material transfer wheel; When material transfer wheel returns back to adjacent discharging hopper throat, finished work is thrown away in discharging hopper from hopper.

The present invention can carry out drilling operation at axis body two ends simultaneously, effectively promotes working (machining) efficiency and reduces technology difficulty.

Accompanying drawing explanation

Fig. 1 is a kind of perspective view of the first structure 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 automatic feeding mechanism in bench drill shown in Fig. 1;

Fig. 6 is that automatic feeding mechanism 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 automatic feeding mechanism shown in Fig. 6 is in processing stations;

Fig. 8 is that automatic feeding mechanism shown in Fig. 7 is in a kind of structural representation getting rid of material station;

Fig. 9 is a kind of structural representation that automatic feeding mechanism shown in Fig. 7 is in splicing station;

Figure 10 is a kind of structural representation that in the second structure of the present invention, automatic feeding mechanism is in processing stations;

Figure 11 is that automatic feeding mechanism shown in Figure 10 is in a kind of structural representation getting rid of material station;

Figure 12 is a kind of structural representation that automatic feeding mechanism shown in Figure 10 is in splicing station;

Figure 13 is a kind of structural representation of automatic feeding mechanism in the third structure of the present invention;

Figure 14 is the close-up schematic view at A place in Figure 13;

Figure 15 is that automatic feeding mechanism shown in Figure 13 is in a kind of structural representation getting rid of material station;

Figure 16 is a kind of structural representation that automatic feeding mechanism shown in Figure 13 is in splicing station.

Detailed description of the invention

(embodiment 1)

Fig. 1 to Fig. 9 shows a kind of detailed description of the invention of the present invention.

The present embodiment is the two drill bit bench drill of a kind of automatic feed, and see shown in Fig. 1 to Fig. 9, 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.

See shown in Fig. 1 to Fig. 4, 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.

No. five plates 45 are provided with in No. five centre bores 451, two No. five mounting holes 452, No. five arcuate socket 453, No. five circular hole 454 and multiple No. five screws 455, No. five centre bores and are 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.

See shown in Fig. 5 to Fig. 9, feeding mechanism 2 comprise support body 21, feed hopper 22, backgauge part 23, discharging hopper 24, material transfer wheel 25, 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 with the first drill bit and the second drill bit adaptation along the vertical direction; On the diapire of backgauge part close to one end of feed hopper, be also provided with along the downward-sloping skew wall 232 in the distance direction of feed hopper near to far away; Skew wall is between two through holes.

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 skew wall 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; Skew wall is arranged on the diapire of adjustable plate, and 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 along distance feed hopper from movable as far as near direction, thus the width of adjustment blanking clearance and the spacing between skew wall and material transfer wheel highest point, when being adjusted to proper width or spacing, screwing bolts assembly again, thus adjustable plate is fixedly installed on support body.

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 preferred V-shaped of shape of hopper or U-shaped.

The center of material transfer wheel periphery wall is also circumferentially provided with annular breach 252 and runs through the bearing pin 253 of this annular breach, and 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:

As shown in Figure 7, 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; Because backgauge part diapire is herein skew wall, if therefore now have workpiece to be processed in hopper, between the skew wall that then workpiece to be processed can be clamped in hopper and backgauge part, thus make the first drill bit and the second drill bit can carry out boring through corresponding through hole to workpiece to be processed to process.

As shown in Figure 8, 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. 8 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. 8, the finished work now in hopper, under effect of inertia, is got rid of input and output material hopper, then skids off feeding mechanism from discharging hopper.

As shown in Figure 9, material transfer wheel is in splicing station; In shown in Fig. 8, cylinder piston extends, material transfer wheel is driven to turn to position shown in Fig. 9 in the counterclockwise direction from position shown in Fig. 8, in this position, because hopper is empty, now in feed hopper, a nethermost workpiece to be processed drops 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, and structure comparatively simplifies, and cost is lower, easy to implement.

(embodiment 2)

Figure 10 to Figure 12 shows the second embody rule embodiment of the present invention.

The present embodiment is substantially identical with embodiment 1, and difference is: see shown in Figure 10 to Figure 12, and the present embodiment no longer arranges cylinder and bearing pin, but directly adopts reducing motor (figure does not draw) to drive material transfer wheel reciprocating rotation; Rotating shaft reducing motor can being selected directly to drive material transfer to take turns specifically is rotated, multiple travel switch can also be provided with in addition on support body, material transfer wheel arranges multiple trigger member for triggering a corresponding travel switch, thus can by the trigger condition of each travel switch judge material transfer wheel residing for position, with the running of Automated condtrol reducing motor, also namely realize the automatic running controlling material transfer wheel; Can common electric machine being adopted by this structure, without the need to adopting expensive stepper motor, thus greatly reducing costs.

(embodiment 3)

Figure 13 to Figure 16 shows the third detailed description of the invention of the present invention.

The present embodiment is substantially identical with embodiment 1, and difference is: see shown in Figure 13 to Figure 16, and the shape of the hopper in the present embodiment is U-shaped; Material transfer wheel in the present embodiment be provided with the first slide block 51 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.

When hopper to be positioned on backgauge part immediately below through hole, the 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 in the horizontal direction, and clamping or unclamp workpiece in the process of movement; 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, workpiece is clamped in hopper by the first slide block, thus can carry out processing process to it;

When material transfer wheel be in get rid of material station time, workpiece is ejected hopper by the second slide block, makes it drop down onto in discharging hopper;

When material transfer wheel is in splicing station, because the second slide block bounces back to original position, workpiece can fall in hopper from blanking clearance, and after this, the first slide block is again by Workpiece clamping.

Although this structure adds parts and cost, the reliability of automatic feeding mechanism can be promoted.

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)

1. there is a double end bench drill for automatic feeding mechanism, comprise table drill body and automatic 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 and rotates the main shaft being arranged on mounting disc center; It is characterized in that: also comprise the driving wheel be fixed on main shaft, rotate the first power transmission shaft be arranged 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, the first power transmission shaft and second driving shaft are all arranged along plumb line direction; 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; Automatic 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; Feed hopper and discharging hopper are fixedly installed on support body; Backgauge part is arranged on feed hopper exit, and backgauge part is provided with two through holes along the vertical direction; First drill bit and the second drill bit, in the process moved down, pass a corresponding through hole separately to carry out boring work; 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; 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; 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 cylinder body of cylinder rotates and is arranged on support body, and cylinder piston 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;

Through blanking clearance when material transfer wheel turns to below backgauge part through hole from discharging hopper throat, the workpiece to be processed being arranged in feed hopper bottom falls to hopper from blanking clearance and is driven to through hole by material transfer wheel; When material transfer wheel returns back to adjacent discharging hopper throat, finished work is thrown away in discharging hopper from hopper.