CN112743379A

CN112743379A - Automatic discharging device of multi-station drilling machine

Info

Publication number: CN112743379A
Application number: CN202110084514.XA
Authority: CN
Inventors: 吴天锡; 彭霞; 鲁胜龙
Original assignee: Yiyang Bailian Chain Technology Co ltd
Current assignee: Yiyang Bailian Chain Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-05-04

Abstract

The invention discloses an automatic discharging device of a multi-station drilling machine, which comprises a base, a stand column, an installation sleeve, a swing arm, a rotary driving piece, a lifting cylinder, a lifting seat, a clamping jaw cylinder, a clamping jaw and lug blocks, wherein the two lug blocks respectively correspond to the two clamping jaws, a floating column vertically penetrates through the two lug blocks in a sliding mode, the lower end of the floating column is positioned below the clamping jaws, the top of the floating column is respectively provided with an induction block, the outer walls of the two sides of the lifting seat are respectively provided with a proximity switch, and the lifting cylinder drives the lifting seat to move downwards and drives the two induction blocks to move upwards to the. The invention has the following beneficial effects: realize automatic unloading, reduced workman's intensity of labour, promote work efficiency, move down through the floating column simultaneously and offset with the carousel surface for the response piece gets into proximity switch response scope, and produces the inductive signal, makes external controller control clamping jaw cylinder action, and then makes the shift position precision of clamping jaw higher, has guaranteed that the clamping jaw can accurate centre gripping work piece.

Description

Automatic discharging device of multi-station drilling machine

Technical Field

The invention relates to the technical field of drilling equipment, in particular to an automatic discharging device of a multi-station drilling machine.

Background

A drill is a general term for machines and apparatuses that leave a cylindrical hole or hole in an object by means of rotary cutting or rotary pressing using a tool harder and sharper than the object. Also known as drills, punches, through-hole machines, and the like. By drilling precision parts.

The chain round pin is at the course of working, generally need use the drilling machine to come to drill to the chain round pin, and the drilling machine that uses at present is carousel formula multistation drilling machine, and this kind of equipment needs the workman to carry out manual unloading after processing is accomplished, and the mode of manual unloading causes workman's intensity of labour easily big, problem that work efficiency is low.

In order to solve the above problems, we propose an automatic discharging device for a multi-station drilling machine.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an automatic discharging device of a multi-station drilling machine, and in order to solve the technical problem, the invention provides the following technical scheme:

the invention provides an automatic discharging device of a multi-station drilling machine, which comprises a base arranged on the multi-station drilling machine, wherein an upright post is vertically arranged on the base, the upper end of the upright post is rotatably connected with a mounting sleeve by a mounting bearing, the mounting sleeve is provided with a swinging arm horizontally extending to the radial outer side of the mounting sleeve, the swinging arm is driven by a rotary driving piece to rotate along the axial direction of the upright post, one end of the swinging arm far away from the upright post is vertically provided with a lifting cylinder, the lifting cylinder is connected with a lifting seat in a driving way, a clamping jaw cylinder is arranged in the lifting seat, a cylinder rod of the clamping jaw cylinder penetrates through the bottom of the lifting seat and is symmetrically provided with two clamping jaws along the central line of the lifting seat, two transversely opposite ends of the lifting seat are respectively provided with an ear block, the two ear blocks respectively correspond to the two clamping, and its top respectively installs the response piece, respectively install respectively on the outer wall of lift seat both sides with two response pieces correspond respectively, and with the proximity switch that the response piece cooperation was used, lift cylinder drive lift seat moves down, makes two the floating column lower extreme supports the carousel of multistation drilling machine, and then drives two the response piece shifts up to the within range of proximity switch's response.

As a further optimization of the technical scheme, the bottom end of the floating column is provided with a pointed end.

As a further optimization of the technical scheme, the rotary driving part comprises a first gear fixedly sleeved on the upright post, a speed reduction motor is vertically installed on the installation sleeve through a support plate, the speed reduction motor is connected with a second gear in a driving mode, the first gear is meshed with the second gear, the speed reduction motor drives the second gear to rotate, the first gear and the second gear are further in meshed transmission, the swing arm is made to axially rotate along the upright post, and the two clamping jaws are driven to move above a turntable of the multi-station drilling machine.

As a further optimization of the above technical solution, a locking ring is sleeved on the floating column, the locking ring is located below the ear block, and an elastic member is arranged between the locking ring and the ear block, and the elastic member elastically abuts against the locking ring and drives the floating column to move downward.

As a further optimization of the above technical solution, the elastic member is a compression spring sleeved on the floating column, and two ends of the compression spring in the elastic direction elastically abut against the locking ring and the ear block respectively.

As a further optimization of the technical scheme, a sliding sleeve is embedded on the lug block and is sleeved on the floating column in a sliding fit mode.

As a further optimization of the above technical solution, a positioning seat is arranged at the top of the lifting seat, a clamping block is connected to the lifting cylinder in a driving manner, the clamping block is installed in the positioning seat, a clamping groove for clamping the clamping block and capable of horizontally and freely sliding is arranged at the top of the positioning seat, the clamping block is limited to longitudinally move by a longitudinal limiting unit, a screw rod is horizontally and rotatably arranged in the positioning seat in a penetrating manner, and when the screw rod penetrates through the clamping block and rotates, the clamping block is driven to horizontally slide in the clamping groove.

As a further optimization of the above technical solution, the longitudinal limiting unit includes pin shafts fixedly connected to outer walls of two lateral opposite sides of the fixture block, and a kidney-shaped groove for the pin shafts to be inserted and combined and capable of horizontally and freely sliding is formed in an outer wall of the positioning seat.

Compared with the prior art, the invention has the following beneficial effects: the swinging arm is driven to swing by rotating the driving part, so that the two clamping jaws rotate above a clamp of a turntable of a multi-station drilling machine, the lifting seat is driven to move downwards by the lifting cylinder, the two floating columns are driven to move downwards and abut against the surface of the turntable until an induction block enters an induction range of a proximity switch, at the moment, the clamping jaw cylinder acts to drive the two clamping jaws to relatively approach and clamp a workpiece, the lifting cylinder resets to enable the clamping jaws to take the workpiece off the clamp, the rotary driving part drives the clamping jaws to rotate and keep away from the turntable, automatic blanking is realized, the labor intensity of workers is reduced, the working efficiency is improved, meanwhile, the floating columns move downwards and abut against the surface of the turntable, the induction block enters the induction range of the proximity switch, an induction signal is generated, an external controller controls the clamping jaw cylinder to act, the moving position precision of the clamping jaws is higher, and the clamping, the clamping jaw air cylinder is arranged on the positioning seat, the clamping jaw air cylinder is arranged on the clamping jaw air cylinder, the.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of an automatic discharge device of a multi-station drilling machine according to the present invention;

FIG. 2 is an enlarged schematic view of a portion of the three-dimensional structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the structure at B in FIG. 1;

FIG. 4 is a schematic side view of the three-dimensional structure of FIG. 1;

FIG. 5 is a schematic front view of the three-dimensional structure of FIG. 1;

in the figure: 1-base, 2-column, 3-swing arm, 4-mounting sleeve, 5-first gear, 6-gear motor, 7-second gear, 8-lifting cylinder, 9-positioning seat, 10-lifting seat, 11-proximity switch, 12-clamping jaw cylinder, 13-induction block, 14-lug block, 15-compression spring, 16-locking ring, 17-floating column, 18-clamping jaw, 19-tip, 20-clamping block, 21-kidney slot, 22-pin shaft, 23-clamping slot and 24-screw rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in fig. 1-5, an automatic discharging device for a multi-station drilling machine comprises a base 1 installed on the multi-station drilling machine, wherein a vertical column 2 is vertically arranged on the base 1, a bearing is suitable for being installed at the upper end of the vertical column 2 and is rotatably connected with an installation sleeve 4, a swing arm 3 horizontally extending towards the radial outer side of the installation sleeve 4 is arranged on the installation sleeve 4, the swing arm 3 is driven by a rotary driving piece to rotate along the axial direction of the vertical column 2, a lifting cylinder 8 is vertically installed at one end, far away from the vertical column 2, of the swing arm 3, a lifting seat 10 is connected on the lifting cylinder 8 in a driving manner, a clamping jaw cylinder 12 is installed in the lifting seat 10, a cylinder rod of the clamping jaw cylinder 12 penetrates through the bottom of the lifting seat 10 and is symmetrically provided with two clamping jaws 18 along the center line of the lifting seat 10, two, and it is vertical smooth the joining in marriage on it and wear to be equipped with the floating column 17, floating column 17 lower extreme is located clamping jaw 18 below, and its top respectively installs response piece 13, respectively install respectively on the outer wall of lift seat 10 both sides with two response piece 13 correspond, and with response piece 13 cooperation use proximity switch 11, lift cylinder 8 drive lift seat 10 moves down, makes two the floating column 17 lower extreme supports the carousel of multistation drilling machine, and then drives two response piece 13 shifts up to the response within range of proximity switch 11.

In this embodiment, preferably, floating column 17 bottom is equipped with tip 19, through setting up tip 19, like this when tip 19 and the carousel surface contact of multistation drilling machine, floating column 17 and the surperficial area of contact of carousel have been reduced, and then avoid the surperficial debris of carousel to contact floating column 17 and lead to response piece 13 shift position to produce the deviation, and further, can be equipped with two taper sleeves on the carousel of multistation drilling machine, taper hole on the taper sleeve cooperatees with tip 19, make tip 19 move down and insert the taper hole of taper sleeve, can guarantee carousel rotational position and clamping jaw cylinder 12 phase-match like this, and then prevent that the carousel from not rotating in place, lead to the clamping jaw on the clamping jaw cylinder can not accurately centre gripping work piece.

In this embodiment, preferably, the rotary driving member includes a first gear 5 fixedly sleeved on the upright 2, a speed reduction motor 6 is vertically installed on the mounting sleeve 4 through a support plate, a second gear 7 is connected to the speed reduction motor 6 in a driving manner, the first gear 5 is meshed with the second gear 7, the speed reduction motor 6 drives the second gear 7 to rotate, so that the first gear 5 is in meshed transmission with the second gear 7, the swing arm 3 is axially rotated along the upright 2, and the two clamping jaws 18 are driven to move above a turntable of the multi-station drilling machine.

In this embodiment, preferably, the floating column 17 is sleeved with a locking ring 16, the locking ring 16 is located below the ear block 14, a compression spring 15 sleeved on the floating column 17 is arranged between the locking ring 16 and the ear block 14, two ends of the elastic force direction of the compression spring 15 respectively elastically abut against the locking ring 16 and the ear block 14, the compression spring 15 elastically abuts against the locking ring 16 and drives the floating column 17 to move downwards, so that in an initial state, the compression spring 15 elastically abuts against the locking ring 16, and the bottom end of the floating column 17 can be firstly in surface contact with the turntable.

In this embodiment, preferably, a sliding sleeve (not shown in the figure) is embedded on the ear piece 14, the sliding sleeve is slidably fitted on the floating column 17, and by providing the sliding sleeve, when the floating column 17 slides in the sliding sleeve, mechanical wear to the ear piece 14 is reduced.

In this embodiment, preferably, a positioning seat 9 is disposed at the top of the lifting seat 10, a fixture block 20 is connected to the lifting cylinder 8 in a driving manner, the fixture block 20 is installed in the positioning seat 9, a clamping groove 23 for clamping the fixture block 20 and capable of horizontally and freely sliding is disposed at the top of the positioning seat 9, the fixture block 20 limits longitudinal movement thereof through a longitudinal limiting unit, a screw 24 is rotatably inserted into the positioning seat 9 in a horizontal direction, and when the screw 24 penetrates through the fixture block 20 and rotates, the fixture block 20 is driven to horizontally slide in the clamping groove 23, and the fixture block 20 slides in the clamping groove 23, so that the horizontal position of the clamping jaw cylinder 12 can be adjusted to adapt to different types of fixtures or different types of workpieces, and the clamping jaw 18 can accurately clamp the workpieces.

In this embodiment, preferably, the longitudinal limiting unit includes a pin 22 fixedly connected to outer walls of two lateral opposite sides of the fixture block 20, the outer wall of the positioning seat 9 is provided with a kidney-shaped groove 21 for the pin 22 to be inserted and combined and capable of horizontally and freely sliding, and the pin 22 slides in the kidney-shaped groove 21, so that the fixture block 20 is horizontally and slidably connected in the positioning seat 9, and the pin 22 has a supporting function on the lifting seat 10 and the clamping jaw cylinder 12.

The working principle of the invention is as follows: after a rotary table of the external multi-station drilling machine rotates in place, a speed reducing motor 6 is started, the speed reducing motor 6 drives a second gear 7 to rotate, a first gear 5 and the second gear 7 are in meshing transmission, a swing arm 3 is further driven to swing, a clamping jaw cylinder 12 rotates to the position above a clamp of the rotary table, then a lifting cylinder 8 drives a lifting seat 10 to move downwards, a floating column 17 is firstly contacted with the surface of the rotary table until a sensing block 13 moves to the sensing range of a proximity switch 11, the proximity switch 11 generates a sensing signal at the moment and feeds the sensing signal back to an external controller, the external controller controls the lifting cylinder 8 to stop moving, synchronously starts the clamping jaw cylinder 12, two clamping jaws 18 of the clamping jaw cylinder 12 are relatively close to each other, so that the clamping jaws 18 clamp a workpiece on the external clamp, then the lifting cylinder 8 resets, the workpiece moves upwards to the clamp and then reversely rotates, so that the swing arm is reset, and the blanking operation of the workpiece is further completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The automatic discharging device of the multi-station drilling machine is characterized by comprising a base (1) installed on the multi-station drilling machine, wherein a stand column (2) is vertically arranged on the base (1), the upper end of the stand column (2) is suitable for being rotatably connected with an installation sleeve (4) through an installation bearing, a swing arm (3) extending to the radial outer side of the installation sleeve (4) in a horizontal mode is arranged on the installation sleeve (4), the swing arm (3) is driven by a rotary driving piece to rotate along the axial direction of the stand column (2), a lifting cylinder (8) is vertically installed at one end, far away from the stand column (2), of the swing arm, a lifting seat (10) is connected onto the lifting cylinder (8) in a driving mode, a clamping jaw cylinder (12) is installed in the lifting seat (10), a cylinder rod of the clamping jaw cylinder (12) penetrates out of the bottom of the lifting, lift seat (10) horizontal relative both ends respectively are equipped with an ear piece (14), two ear piece (14) correspond two clamping jaw (18) respectively, and vertical cunning is joined in marriage on it and is worn to be equipped with unsteady post (17), unsteady post (17) lower extreme is located clamping jaw (18) below, and respectively installs response piece (13) at its top, respectively install respectively on lift seat (10) both sides outer wall with two response piece (13) correspond, and with response piece (13) cooperation proximity switch (11) that use, lift cylinder (8) drive lift seat (10) move down, make two the carousel that unsteady post (17) lower extreme multistation drilling machine supported, and then drive two response piece (13) are shifted up to the response within range of proximity switch (11).

2. A multi-station drill automatic discharge device according to claim 1, characterized in that the bottom end of the floating column (17) is provided with a pointed tip (19).

3. The automatic discharging device of the multi-station drilling machine is characterized in that the rotary driving part comprises a first gear (5) fixedly sleeved on the upright post (2), a speed reducing motor (6) is vertically installed on the installation sleeve (4) through a support plate, a second gear (7) is connected to the speed reducing motor (6) in a driving mode, the first gear (5) is meshed with the second gear (7), the speed reducing motor (6) drives the second gear (7) to rotate, and therefore the first gear (5) is meshed with the second gear (7) in a transmission mode, the swing arm (3) rotates axially along the upright post (2), and the two clamping jaws (18) are driven to move above a rotary table of the multi-station drilling machine.

4. The automatic unloading device of a multi-station drilling machine as claimed in claim 1, wherein the floating column (17) is sleeved with a locking ring (16), the locking ring (16) is positioned below the lug block (14), and an elastic member is arranged between the locking ring (16) and the lug block (14), and the elastic member elastically abuts against the locking ring (16) and drives the floating column (17) to move downwards.

5. An automatic unloading device of a multi-station drilling machine as claimed in claim 4, wherein the elastic member is a compression spring (15) sleeved on the floating column (17), and two ends of the compression spring (15) in the elastic force direction elastically abut against the locking ring (16) and the lug block (14) respectively.

6. A multi-station drilling machine automatic discharge device according to claim 1, characterized in that the ear block (14) is embedded with a sliding sleeve which is slidably fitted on the floating column (17).

7. The automatic unloading device of the multi-station drilling machine according to claim 1, wherein a positioning seat (9) is provided at the top of the lifting seat (10), a clamping block (20) is drivingly connected to the lifting cylinder (8), the clamping block (20) is installed in the positioning seat (9), a clamping groove (23) which is used for clamping the clamping block (20) and can slide horizontally and freely is provided at the top of the positioning seat (9), the clamping block (20) is limited from moving longitudinally by a longitudinal limiting unit, a screw rod (24) is horizontally and rotatably provided in the positioning seat (9), and the screw rod (24) penetrates through the clamping block (20) in a threaded manner and drives the clamping block (20) to slide horizontally in the clamping groove (23) when the screw rod (24) rotates.

8. The automatic unloading device of a multi-station drilling machine as claimed in claim 7, wherein the longitudinal limiting unit comprises a pin shaft (22) fixedly connected to the outer walls of two opposite sides of the fixture block (20), and the outer wall of the positioning seat (9) is provided with a kidney-shaped groove (21) for the pin shaft (22) to be inserted and combined and capable of sliding freely horizontally.