CN112743354A

CN112743354A - Multi-station drilling machine workpiece positioning device for chain pin shaft machining

Info

Publication number: CN112743354A
Application number: CN202110083726.6A
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 a multi-station drilling machine workpiece positioning device for chain pin shaft machining, which comprises a fixed seat, an adjusting seat, sliding blocks, V-shaped iron, a V-shaped groove and an adjusting piece, wherein the adjusting piece comprises a driving rod horizontally and rotatably arranged on the adjusting seat in a penetrating mode, a first threaded part and a second threaded part with opposite thread turning directions are respectively arranged at two ends of the driving rod in the length direction, threaded sleeves are embedded on the two sliding blocks, the two threaded sleeves are respectively sleeved on the first threaded part and the second threaded part in a threaded mode, and a clamping piece is arranged on the fixed seat. The invention has the following beneficial effects: through setting up the actuating lever, the actuating lever rotates on adjusting the seat for two swivel nuts close soon in first screw portion, second screw portion upper thread respectively, and then drive two sliding block relative movement, make the horizontal interval of two V type irons can adjust, so that the work piece that adapts to different length through the horizontal interval of adjusting two V type irons carries out the clamping, simple structure, and it is also more convenient during the concurrent operation.

Description

Multi-station drilling machine workpiece positioning device for chain pin shaft machining

Technical Field

The invention relates to the technical field of drilling equipment clamps, in particular to a workpiece positioning device of a multi-station drilling machine for chain pin shaft machining.

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.

Chain round pin is in the course of working, generally need use the drilling machine to come to bore hole to the chain round pin, during the clamping chain round pin, generally carry out the centre gripping location to the chain round pin through using V type iron, but because the length dimension of chain round pin is more, when fixing a position the centre gripping to the longer chain round pin of length, need make the longer V type iron of length again and come to carry out the centre gripping location to the chain round pin, this kind of mode has led to production efficiency lower, and when changing different V type irons, the operation is also more complicated, the V type iron after changing needs readjustment in addition, in order to adjust the position precision of V type iron, guarantee drilling position precision.

In order to solve the problems, a workpiece positioning device of a multi-station drilling machine for chain pin shaft machining is provided.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and to solve the technical problem, the invention provides a workpiece positioning device of a multi-station drilling machine for chain pin shaft processing, and the invention provides the following technical scheme:

the invention provides a multi-station drilling machine workpiece positioning device for chain pin shaft machining, which comprises a fixed seat horizontally and detachably arranged on a rotary table of a multi-station drilling machine, wherein an adjusting seat is arranged on the fixed seat, the length direction of the adjusting seat is parallel to the length direction of the fixed seat, two ends in the length direction are respectively connected with a sliding block in a sliding manner, V-shaped irons are respectively and horizontally and fixedly connected to the tops of the two sliding blocks, V-shaped grooves which stretch across the length direction of the V-shaped irons and are used for being clamped with workpieces are formed in the tops of the V-shaped irons, the length direction of the V-shaped irons is consistent with the moving direction of the sliding blocks, the two sliding blocks are driven by an adjusting piece to move relatively, so that the two V-shaped irons can be used for placing the workpieces with different lengths, the adjusting piece comprises a driving rod which is, And the sliding blocks are embedded with thread sleeves, the thread sleeves are respectively sleeved on the first thread part and the second thread part in a threaded manner, and the fixing seat is provided with a clamping element for clamping a workpiece.

As a further optimization of the above technical solution, the adjusting seat is provided with a sliding groove for the sliding block to engage with and horizontally and freely slide.

As a further optimization of the technical scheme, the bottom surface of the sliding block is in sliding contact with the fixed seat.

As a further optimization of the above technical solution, the clamping member includes a mounting bracket disposed on the fixing base, the upper end of the mounting bracket is hinged to a clamping arm, one end of the clamping arm, which is far away from the mounting bracket, is provided with a pressing block, one end of the clamping arm, which is close to the mounting bracket, is provided with a swinging arm extending obliquely upward, and the swinging arm is driven by the driving unit to rotate along the hinged position of the clamping arm and the mounting bracket.

As a further optimization of the above technical solution, the driving unit includes a movable seat hinged to the fixed seat, a driving element is installed on the movable seat, the driving element is connected with a movable block in a driving manner, the movable block is hinged to the swing arm, the driving element drives the movable block to move, so that the swing arm rotates along a hinged position between the clamping arm and the mounting frame, and the pressing block is driven to press the workpiece.

As a further optimization of the technical scheme, the briquette is positioned on a perpendicular bisector of a connecting line of center lines of the two V-shaped irons.

As a further optimization of the above technical scheme, an installation sleeve is horizontally installed on the installation frame, a telescopic rod which penetrates out of the end face of the installation sleeve in a sliding fit manner is coaxially arranged on the installation sleeve, a top pressing plate is arranged at one end of the telescopic rod which penetrates out of the installation sleeve, a floating block made of a magnetic conductive material is arranged at the other end of the telescopic rod, a sliding cavity which is clamped by the floating block and can horizontally and freely slide is formed in the installation sleeve, an electromagnet is arranged in the sliding cavity, the electromagnet and the floating block are used in a matched manner, an elastic piece is arranged between the electromagnet and the floating block, the elastic piece elastically supports against the floating block and drives the floating block to axially slide outwards towards the installation sleeve, and then the top pressing plate supports against the.

As a further optimization of the above technical solution, the elastic member is an extension spring horizontally installed in the sliding cavity, and two ends of the extension spring in the elastic direction elastically abut against the slider and the electromagnet respectively.

Compared with the prior art, the invention has the following beneficial effects: by arranging the driving rod, the driving rod rotates on the adjusting seat, so that the two thread sleeves are respectively screwed on the first thread part and the second thread part, thereby driving the two sliding blocks to move relatively, so that the transverse distance between the two V-shaped irons can be adjusted, so as to be suitable for workpieces with different lengths to clamp by adjusting the transverse distance between the two V-shaped irons, has simple structure, meanwhile, the operation is convenient, the clamping piece is arranged to drive the movable block to move by the driving element, so that the swinging arm drives the clamping arm to rotate, further the pressing block clamps the workpiece, the stability of workpiece clamping is ensured, in addition, the elastic part is arranged to elastically abut against the floating block, the top pressing plate abuts against the end face of the large-diameter end of the workpiece, and then make the drilling position precision of work piece can keep unanimous, and need not the manual work and support tight work piece, reduced intensity of labour, promote work efficiency.

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 structural diagram of a workpiece positioning device of a multi-station drilling machine for chain pin shaft machining, which is disclosed by the invention;

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

in the figure: 1-movable seat, 2-telescopic cylinder, 3-swing arm, 4-movable block, 5-mounting sleeve, 6-top pressure plate, 7-clamping arm, 8-pressing block, 9-V-shaped iron, 10-workpiece, 11-sliding groove, 12-sliding block, 13-first threaded part, 14-second threaded part, 15-threaded sleeve, 16-adjusting seat, 17-fixed seat, 18-mounting frame, 19-sliding cavity, 20-telescopic spring, 21-electromagnet, 22-floating block and 23-telescopic 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. 1-2, a multi-station drilling machine workpiece positioning device for chain pin shaft processing comprises a fixed seat 17 horizontally detachably mounted on a turntable of a multi-station drilling machine, wherein an adjusting seat 16 is arranged on the fixed seat 17, the length direction of the adjusting seat 16 is parallel to that of the fixed seat 17, two ends of the length direction are respectively connected with a sliding block 12 in a sliding manner, V-shaped iron 9 is fixedly connected to each of the tops of the two sliding blocks 12 in a horizontal manner, a V-shaped groove which stretches across the length direction of the V-shaped iron 9 and is used for being clamped with a workpiece 10 is formed in the tops of the V-shaped iron 9, the length direction of the V-shaped iron 9 is consistent with the moving direction of the sliding block 12, the two sliding blocks 12 are driven by an adjusting part to move relatively, so that the two V-shaped irons 9 can place workpieces 10 with, the two ends of the length direction of the driving rod are respectively provided with a first thread part 13 and a second thread part 14 with opposite thread turning directions, two sliding blocks 12 are embedded with thread sleeves 15, the two thread sleeves 15 are respectively sleeved on the first thread part 13 and the second thread part 14 in a threaded manner, and the fixed seat 17 is provided with a clamping element for clamping the workpiece 10.

In this embodiment, it is preferable that adjusting seat 16 is provided with sliding groove 11 for sliding block 12 to engage and horizontally slide, and sliding block 12 is engaged and limited in sliding groove 11 so that sliding block 12 is horizontally slidably connected to adjusting seat 16.

In this embodiment, it is preferable that the bottom surface of sliding block 12 slidingly contacts fixing seat 17, and sliding block 12 is supported by fixing seat 17 by sliding the bottom surface of sliding block 12 in sliding contact with the top surface of fixing seat 17, so as to reduce the deformation influence of the clamping member on the driving rod when pressing workpiece 10.

In this embodiment, preferably, the clamping member includes a mounting frame 18 disposed on a fixing seat 17, an upper end of the mounting frame 18 is hinged to a clamping arm 7, one end of the clamping arm 7, which is far away from the mounting frame 18, is provided with a pressing block 8, one end of the clamping arm 7, which is close to the mounting frame 18, is provided with a swing arm 3 extending obliquely upward, the swing arm 3 is driven by a driving unit to rotate along a hinge joint of the clamping arm 7 and the mounting frame 18, specifically, the driving unit includes a movable seat 1 hinged to the fixing seat 17, a driving element is mounted on the movable seat 1, a movable block 4 is connected to the driving element in a driving manner, the movable block 4 is hinged to the swing arm 3, the driving element drives the movable block 4 to move, the swing arm 3 rotates along the hinge joint of the clamping arm 7 and the mounting frame 18, and further drives the pressing, the driving element is set to be a telescopic cylinder 2, a cylinder rod of the telescopic cylinder 2 is in threaded connection with the movable block 4, and the cylinder rod of the telescopic cylinder 2 is in threaded connection with the movable block 4, so that the movable block 4 is convenient to install and detach.

In this embodiment, preferably, the pressing block 8 is located on a perpendicular bisector of a connecting line of center lines of the two V-shaped irons 9, and the pressing block 8 is located on the perpendicular bisector of the connecting line of the center lines of the two V-shaped irons 9, so that when the pressing block 8 clamps the workpiece 10, clamping forces applied to the two V-shaped irons 9 are consistent, on one hand, stability of the clamped workpiece 10 is guaranteed, clamping accuracy is improved, on the other hand, the abrasion degrees of the two V-shaped irons 9 are consistent, and therefore the phenomenon that the workpiece 10 is unstably clamped due to the fact that the abrasion degrees of the two V-shaped irons 9 are inconsistent can be reduced.

In this embodiment, preferably, the mounting frame 18 is horizontally provided with a mounting sleeve 5, the mounting sleeve 5 is coaxially provided with a telescopic rod 23 which is slidably fitted and penetrates out of an end surface thereof, one end of the telescopic rod 23 which penetrates out of the mounting sleeve 5 is provided with a jacking plate 6, the other end is provided with a floating block 22 made of magnetic conductive material, a sliding cavity 19 which is used for clamping the floating block 22 and can horizontally and freely slide is arranged in the mounting sleeve 5, an electromagnet 21 is arranged in the sliding cavity 19, the electromagnet 21 is matched with a floating block 22 for use, and a telescopic spring 20 horizontally arranged in the sliding cavity 19 is arranged between the two, two ends of the elastic direction of the telescopic spring 20 respectively elastically support against the floating block 22 and the electromagnet 21, the expansion spring 20 elastically abuts against the floating block 22 and drives the floating block 22 to slide axially outwards towards the mounting sleeve 5, so that the abutting plate 6 abuts against the end face of the large-diameter end of the workpiece 10.

The working principle of the invention is as follows: place work piece 10 in the V-arrangement inslot of two V type irons 9, restart telescopic cylinder 2, telescopic cylinder 2's cylinder pole extension, drive movable block 4 drives swing arm 3 up swing, and then drive centre gripping arm 7 rotates along the articulated department with mounting bracket 18, make briquetting 8 swing down and compress tightly the path end of work piece 10, electro-magnet 21 cuts off the power supply and loses magnetism simultaneously, under the spring action of expanding spring 20 this moment, drive floating block 22 slides towards the direction of keeping away from electro-magnet 21, and then make roof pressure board 6 support the terminal surface of work piece 10 major diameter end, make the clamping precision of work piece 10 higher.

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 utility model provides a multistation drilling machine work piece positioner for chain round pin axle processing, its characterized in that, includes fixing base (17) of horizontal demountable installation on the multistation drilling machine carousel, be equipped with on fixing base (17) and adjust seat (16), adjust seat (16) length direction and be parallel with fixing base (17) length direction, and each sliding connection in its length direction both ends has sliding block (12), two each horizontal rigid coupling in sliding block (12) top has V type iron (9), V type iron (9) top is seted up and is spanned its length direction, and is used for the V-arrangement groove with work piece (10) block, V type iron (9) length direction is unanimous with the moving direction of sliding block (12), two its relative movement is driven by the regulating part to sliding block (12), makes two work piece (10) of different length can be placed to V type iron (9), the adjusting part includes that the level rotationally wears to establish the actuating lever on adjusting seat (16), actuating lever length direction both ends are equipped with screw respectively and revolve to opposite first screw portion (13), second screw portion (14), two inlay on sliding block (12) and be equipped with swivel nut (15), two swivel nut (15) threaded suit respectively is on first screw portion (13), second screw portion (14), be equipped with the clamping piece that is used for pressing from both sides tight work piece (10) on fixing base (17).

2. The workpiece positioning device of the multi-station drilling machine for processing the chain pin shaft as claimed in claim 1, wherein the adjusting seat (16) is provided with a sliding groove (11) which is used for clamping the sliding block (12) and can horizontally and freely slide.

3. A multi-station drill work positioning device for chain pin machining according to claim 1, characterized in that the bottom surface of the sliding block (12) is in sliding contact with the fixed seat (17).

4. The workpiece positioning device of the multi-station drilling machine for processing the chain pin shaft is characterized in that the clamping piece comprises a mounting frame (18) arranged on a fixing seat (17), a clamping arm (7) is hinged to the upper end of the mounting frame (18), a pressing block (8) is arranged at one end, away from the mounting frame (18), of the clamping arm (7), a swinging arm (3) extending obliquely upwards is arranged at one end, close to the mounting frame (18), of the clamping arm (7), and the swinging arm (3) is driven by a driving unit to rotate along the hinged position of the clamping arm (7) and the mounting frame (18).

5. A multi-station drilling machine workpiece positioning device for chain pin shaft machining according to claim 4, characterized in that the driving unit comprises a movable seat (1) which is hinged and installed on a fixed seat (17), a driving element is installed on the movable seat (1), a movable block (4) is connected to the driving element in a driving mode, the movable block (4) is hinged to the swing arm (3), and the driving element drives the movable block (4) to move, so that the swing arm (3) rotates along the hinged position of the clamping arm (7) and the mounting frame (18), and the pressing block (8) is driven to press the workpiece (10).

6. A multi-station drilling machine workpiece positioning device for chain pin shaft processing according to claim 4, characterized in that the pressing block (8) is positioned on the perpendicular bisector of the connecting line of the center lines of the two V-shaped irons (9).

7. The multi-station drilling machine workpiece positioning device for chain pin shaft machining according to claim 4, characterized in that a mounting sleeve (5) is horizontally mounted on the mounting frame (18), a telescopic rod (23) which is slidably fitted and penetrates out of the end face of the mounting sleeve (5) is coaxially arranged on the mounting sleeve (5), a top pressure plate (6) is arranged at one end of the telescopic rod (23) which penetrates out of the mounting sleeve (5), a floating block (22) made of a magnetic conductive material is arranged at the other end of the telescopic rod, a sliding cavity (19) which is used for clamping the floating block (22) and can horizontally and freely slide is arranged in the mounting sleeve (5), an electromagnet (21) is arranged in the sliding cavity (19), the electromagnet (21) is matched with the floating block (22) for use, an elastic piece is arranged between the electromagnet (21) and the floating block (22), and the elastic piece elastically abuts against the floating block (22) and drives the floating block (22), and then the top pressure plate (6) is pressed against the end face of the large-diameter end of the workpiece (10).

8. The workpiece positioning device of the multi-station drilling machine for processing the chain pin shaft as claimed in claim 7, wherein the elastic part is an expansion spring (20) horizontally arranged in the sliding cavity (19), and two ends of the expansion spring (20) in the elastic force direction elastically abut against the floating block (22) and the electromagnet (21) respectively.