CN107160725A - A kind of accurate miniature punch press - Google Patents

A kind of accurate miniature punch press Download PDF

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Publication number
CN107160725A
CN107160725A CN201710484842.2A CN201710484842A CN107160725A CN 107160725 A CN107160725 A CN 107160725A CN 201710484842 A CN201710484842 A CN 201710484842A CN 107160725 A CN107160725 A CN 107160725A
Authority
CN
China
Prior art keywords
group
eccentric shaft
frame
punching press
punch press
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710484842.2A
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Chinese (zh)
Inventor
莫贵军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Kyoden Co Ltd
Original Assignee
Zhuhai Kyoden Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Kyoden Co Ltd filed Critical Zhuhai Kyoden Co Ltd
Priority to CN201710484842.2A priority Critical patent/CN107160725A/en
Publication of CN107160725A publication Critical patent/CN107160725A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/10Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
    • B30B1/14Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/14Control arrangements for mechanically-driven presses
    • B30B15/148Electrical control arrangements

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention discloses a kind of accurate miniature punch press, including frame, transmission group and the punching press group for stamped workpieces, the transmission group is arranged on the side of upper rack, and frame is passed through by the activity of the first eccentric shaft, the punching press group can be slidably mounted at the bottom of frame, and it is correspondingly arranged at the underface of the first eccentric shaft output end, the outer of the first eccentric shaft output end, which is rotatably connected, a length-adjustable connection group, the lower end of connection group is hinged by a Universal-head with punching press group, when the first eccentric shaft turns, first eccentric shaft drives punching press group vertically to carry out reciprocal ramming motion by connection group.This accurate miniature punch press utilizes Universal-head, the coherent connection of connection group and punching press group can be ensure that, so that punch press is not in the phenomenon for acting clamping stagnation in punching course, so as to influence precision, secondly it can ensure that punching press group will not be because of the complicated movement locus of connection group using Universal-head, and then influence the precision of the up and down motion of punching press group.

Description

A kind of accurate miniature punch press
Technical field
The present invention relates to machining technique field, more particularly to a kind of punch press.
Background technology
In stamping machine, the reason such as rotating speed change of heating, eccentric shaft (class bent axle) during due to operating is provided with punching press The lower dead center of the sliding part of the upper mould of mould is offset up or down from its appropriate location sometimes, the skew of this bottom dead center position Precision to product is brought greater impact.In conventional stamping machine, connection rod set is not static when stamping machine works, but into Describe the dynamic point of complicated movement locus for the rotation along with eccentric shaft, drift can act on comparison and answer in such work Miscellaneous external force, operating accuracy with increasingly workload increase and reduce, in addition the durability of stamping machine exist it is problematic, how The punching precision for improving a stamping machine is the place that need to improve at present.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is high the invention provides a kind of punching precision, can be with continuous punching Accurate miniature punch press.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of accurate miniature punch press, including frame, transmission group and the punching press group for stamped workpieces, the transmission group are installed Frame is passed through in the side of upper rack, and by the activity of the first eccentric shaft, the punching press group can be slidably mounted under frame Portion, and the underface of the first eccentric shaft output end is correspondingly arranged at, the outer of the first eccentric shaft output end is rotatably connected There is a length-adjustable connection group, the lower end of connection group is hinged by a Universal-head with punching press group, when the first eccentric shaft turns, First eccentric shaft drives punching press group vertically to carry out reciprocal ramming motion by connection group.
As the improvement of above-mentioned technical proposal, the punching press group includes mounting seat, adjustable side plate and movable block, the installation Mounting groove is offered on seat vertically, the adjustable side plate is provided with two pieces, the left and right sides of mounting groove is movably arranged on respectively, and move Motion block is slidably inserted into the sliding groove formed by two blocks of adjustable side plates and mounting groove, the upper end of the Universal-head and movable block Be movably hinged, and can drive movable block carried out in sliding groove above and below reciprocating motion.
As the improvement of above-mentioned technical proposal, the adjustable side plate is movably arranged on mounting groove by adjustable screw, The cross section of the sliding groove is in dove-tail form, and the movable block is close to the side of frame provided with the sliding part for coordinating sliding groove.
As the improvement of above-mentioned technical proposal, the connection group includes oscillating bearing, regulation group and covers axle, oscillating bearing, Regulation group and set axle are sequentially connected, and the oscillating bearing turning set is on the second eccentric shaft of the first eccentric shaft output end, institute The lower end for stating set axle is connected with Universal-head.
As the improvement of above-mentioned technical proposal, the transmission group includes motor, reduction box and for controlled motor motion Travel switch, the reduction box be arranged on frame on, the input and motor connection of the reduction box, the output end of reduction box with First eccentric shaft is connected, and first eccentric shaft is rotatably installed in frame by bearing, and the travel switch is arranged on frame Between reduction box, the contact that first eccentric shaft can be with travel switch.
As the improvement of above-mentioned technical proposal, the correspondence position that contact is located on first eccentric shaft is provided with gear Block, the gear block is curved, and is fastened on the outer wall of the first eccentric shaft, and the two ends of the gear block are all along the first eccentric shaft To direction rounding off.
As the improvement of above-mentioned technical proposal, the lower section that the frame is located at travel switch is provided with control group, the control Group is arranged in frame by control panel, and the control group includes the time relay, motor relay and for braking motor Brake switch, the brake switch and motor relay are electrically connected with motor, and the time relay is electrically connected Travel switch and brake switch, and then the rotation of controlled motor.
As the improvement of above-mentioned technical proposal, the lower section that the frame is located at travel switch is provided with control group, the control Group is arranged in frame by control panel, and the control group includes the time relay, motor relay and for braking motor Brake switch, the brake switch and motor relay are electrically connected with motor, and the time relay is electrically connected Travel switch and brake switch, and then the rotation of controlled motor.
As the improvement of above-mentioned technical proposal, the cross section of the frame is U-shaped, and it is eccentric that the frame top is located at first The electricity being electrically connected with outside feed mechanism is provided with above axle and touches switch, the tactile switch of electricity can connect with the first eccentric shaft periphery Touch.
Beneficial effects of the present invention have:
This accurate miniature punch press is connected using the first eccentric shaft with being connected the eccentric of group, and eccentric wheel can be caused in rotation Punching press group is driven to be pumped simultaneously, it is ensured that the continuity of punch press work;Wherein connection group uses adjustable knot Structure, it is ensured that the precision of punch press punching press in long-term punching press, utilize Universal-head, it is ensured that connection group and punching press group Coherent connection, so that punch press is not in the phenomenon for acting clamping stagnation in punching course, so as to influence precision, next utilizes ten thousand It can ensure that punching press group will not be because of the complicated movement locus of connection group to head, and then influence the essence of the up and down motion of punching press group Degree.This punching machine structure is simple, and punching precision is high, can continuously work, improve the efficiency of punching press.
Brief description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment the invention will be further described, wherein:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is that the embodiment of the present invention hides the structural representation after frame;
Fig. 3 is the structural representation of punching press group in the embodiment of the present invention;
Fig. 4 is the structural representation of travel switch in the embodiment of the present invention;
Fig. 5 is the structural representation of control group in the embodiment of the present invention.
Embodiment
Referring to Fig. 1 and Fig. 5, a kind of accurate miniature punch press of the invention, including frame 1, transmission group 2 and for stamped workpieces Punching press group 3, the transmission group 2 is arranged on the side on the top of frame 1, and passes through frame 1, institute by the activity of the first eccentric shaft 21 State punching press group 3 and can be slidably mounted at the bottom of frame 1, and be correspondingly arranged at the underface of the output end of the first eccentric shaft 21, it is described The outer of the output end of first eccentric shaft 21, which is rotatably connected, the upper end of connection group 4 of an adjustable-length, and the lower end of connection group 4 passes through One Universal-head 41 is hinged with punching press group 3, and when the first eccentric shaft 21 is rotated, the first eccentric shaft 21 drives punching press group 3 by connection group 4 Reciprocal ramming motion is vertically carried out in frame 1.
Referring to Fig. 1 and Fig. 3, the punching press group 3 includes mounting seat 31, adjustable side plate 32 and movable block 33, the mounting seat Mounting groove 34 is offered vertically on 31, the adjustable side plate 32 is movably arranged on the left and right sides of mounting groove 34, and movable block 33 Slidably it is inserted into the sliding groove 35 constituted between two blocks of adjustable side plates 32, the upper end of the Universal-head 41 and movable block 33 is lived It is dynamic to be hinged, and can drive movable block 33 carried out in sliding groove 35 above and below reciprocating motion.Wherein, the adjustable side plate 32 leads to Cross adjustable screw to be movably arranged on mounting groove 34, so can for a long time be run in punch press, sliding groove 35 and movable block 33 Mutual slip gap become big after, the punching precision of punch press can decline, and now need to be only adjusted by adjustable screw adjustable Side plate 32, you can ensure that sliding position of the movable block 33 in sliding groove 35, improve the precision of slip.The sliding groove 35 Cross section be in dove-tail form, the movable block 33 close to the side of frame 1 provided with coordinate sliding groove 35 sliding part, utilize dovetail The sliding groove 35 of type and the mutual cooperation of sliding part, can both ensure that movable block 33 will not drop from mounting seat 31, again can be with The spacing of left and right is carried out to movable block 33 using sliding groove 35, it is ensured that kinematic accuracy of the movable block during punching press.
Referring to Fig. 1 and Fig. 5, the connection group 4 includes oscillating bearing 42, regulation group 43 and set axle 44, oscillating bearing 42, tune Section group 43 and set axle 44 are sequentially connected, and the turning set of oscillating bearing 42 is mounted in the second eccentric shaft of the output end of the first eccentric shaft 21 On 22, using the second eccentric shaft 22 and the dual eccentric distance of the first eccentric shaft 21, the scope of the punching press distance of punch press is increased, The eccentric direction of both the second eccentric shaft 22 and the first eccentric shaft 21 is adjustable simultaneously, can so adjust the bias of punch press Away from, and then adjust punching press distance.The lower end of the set axle 44 is connected with Universal-head 41, and the use of Universal-head 41 can be prevented effectively Connection group 4 will not be caused in the rotation process with the first eccentric shaft 21 because of the complicated track route of connection group 4.Its Middle oscillating bearing 42 is made of the carbon steel of high intensity, can provide guarantee for the high-intensity exercise of punch press;Regulation group 43 can Using studs, the length of connection group 4 can be adjusted using studs, regulation group 43 need to be only adjusted in good time respectively with covering axle 44 and the position relationship of oscillating bearing 42, you can ensure that change of the punch press in the structure in the ramming motion of high intensity will not Bring error to influence, improve the punching precision of punch press and the stability of punching press.
With further reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the transmission group 2 includes motor 23, reduction box 24 and for controlling electricity The travel switch 25 that machine 23 is moved, the reduction box 24 is arranged in frame 1, and input and the motor 23 of the reduction box 24 connect Connect, the output end of reduction box 24 is connected with the first eccentric shaft 21, first eccentric shaft 21 is rotatably installed in frame 1 by bearing On, the travel switch 25 is arranged between frame 1 and reduction box 24, and first eccentric shaft 21 can be tactile with travel switch 25 First 251 contact.Correspondence position on first eccentric shaft 21 positioned at contact 251 is provided with gear block 211, the gear block 211 is curved, and is fastened on the outer wall of the first eccentric shaft 21, and the two ends of the gear block 211 are circumferential along the first eccentric shaft 21 Direction rounding off.The side of the travel switch 25 is arranged in frame 1, and the travel switch 25 is provided with reducible activity Plate 252, the contact 251 is rotatably installed in one end of portable plate 252, and the other end rotational installation of the portable plate 252 is expert at On Cheng Kaiguan 25, and it can be contacted with the inductive head inside travel switch 25.Utilize gear block 211 and the phase interworking of travel switch 25 Close, the first eccentric shaft 21 rotates one and enclosed, travel switch 25 rotates one with regard to a recordable eccentric wheel 21 and enclosed, and then travel switch control Other feed mechanisms or the work of other auxiliary equipments are made, it is very convenient, and utilize mechanical contact induction mode, control Simple system, without complicated electronic component, low cost, dependable performance.
With further reference to Fig. 1 and Fig. 2, the lower section that the frame 1 is located at travel switch 25 is provided with control group 5, the control Group 5 is arranged in frame 1 by control panel 51, and the control group 5 includes the time relay 52, motor relay 53 and for making The brake switch 54 of dynamic motor 23, the brake switch 54 and motor relay 53 are electrically connected with motor 23, the time Travel switch 25 and brake switch 54, and then the rotation of controlled motor 23 is electrically connected in relay 52.The horizontal stroke of the frame 1 Section is U-shaped, and the top of frame 1, which is located above the first eccentric shaft 21 to touch provided with the electricity with the electric connection of outside feed mechanism, opens 11 are closed, the electricity touches switch 11 and can contacted with the periphery of the first eccentric shaft 21.
The control system constituted using the time relay 52, motor relay 53 and control panel 51 is simply controlled, This miniature punch press is the accurate rotational that automatic control motor 23 can be achieved, and then accurately controls the punching press of punching press group 3.Utilize system The information that dynamic switch 54 quickly can be fed back according to travel switch 25 carries out braking motor 23, it is ensured that movable block 33 exists Accurate sliding stroke in sliding groove 35.
It is described above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as It reaches the technique effect of the present invention with any same or similar means, should all belong to protection scope of the present invention.

Claims (9)

1. a kind of accurate miniature punch press, it is characterised in that:Punching press group including frame (1), transmission group (2) and for stamped workpieces (3), the transmission group (2) is arranged on the side on frame (1) top, and passes through frame (1) by the first eccentric shaft (21) activity, The punching press group (3) can be slidably mounted at the bottom of frame (1), and be correspondingly arranged at the first eccentric shaft (21) output end just under Side, the outer of the first eccentric shaft (21) output end, which is rotatably connected, a length-adjustable connection group (4), connection group (4) Lower end be hinged by a Universal-head (41) with punching press group (3), when the first eccentric shaft (21) is rotated, the first eccentric shaft (21) lead to Crossing connection group (4) drives punching press group (3) vertically to carry out reciprocal ramming motion.
2. a kind of accurate miniature punch press according to claim 1, it is characterised in that:The punching press group (3) includes mounting seat (31) mounting groove (34), the adjustable side are offered vertically on, adjustable side plate (32) and movable block (33), the mounting seat (31) Plate (32) is provided with two pieces, is movably arranged on the left and right sides of mounting groove (34) respectively, and movable block (33) be slidably inserted into by In the sliding groove (35) of two pieces of adjustable side plates (32) and mounting groove (34) formation, the Universal-head (41) is upper with movable block (33) End is movably hinged, and can drive reciprocating motion of the movable block (33) in sliding groove (35) above and below progress.
3. a kind of accurate miniature punch press according to claim 2, it is characterised in that:The adjustable side plate (32) is by can Screw is adjusted to be movably arranged on mounting groove (34), the cross section of the sliding groove (35) is in dove-tail form, and the movable block (33) is leaned on The side of nearly frame (1) is provided with the sliding part for coordinating sliding groove (35).
4. a kind of accurate miniature punch press according to claim 1, it is characterised in that:The connection group (4) includes joint shaft (42), regulation group (43) and set axle (44) are held, oscillating bearing (42), regulation group (43) and set axle (44) are sequentially connected, described to close Bearings (42) turning set is on second eccentric shaft (22) of the first eccentric shaft (21) output end, the lower end of the set axle (44) It is connected with Universal-head (41).
5. a kind of accurate miniature punch press according to claim 1, it is characterised in that:The transmission group (2) includes motor (23), reduction box (24) and the travel switch (25) moved for controlled motor (23), the reduction box (24) are arranged on frame (1) on, the input of the reduction box (24) is connected with motor (23), output end and the first eccentric shaft (21) of reduction box (24) Connection, first eccentric shaft (21) is rotatably installed in frame (1) by bearing, and the travel switch (25) is arranged on frame (1) between reduction box (24), first eccentric shaft (21) can contact with the contact (251) of travel switch (25).
6. a kind of accurate miniature punch press according to claim 5, it is characterised in that:It is located on first eccentric shaft (21) The correspondence position of contact (251) is provided with gear block (211), and the gear block (211) is curved, and is fastened on the first eccentric shaft (21) on outer wall, the two ends of the gear block (211) are along the first eccentric shaft (21) circumferential direction rounding off.
7. a kind of accurate miniature punch press according to claim 5, it is characterised in that:The side peace of the travel switch (25) In frame (1), the travel switch (25) is provided with reducible portable plate (252), and the contact (251) is rotatably installed in One end of portable plate (252), the other end of the portable plate (252) is rotatably installed on travel switch (25), and can be with stroke Switch (25) internal inductive head contact.
8. a kind of accurate miniature punch press according to claim 5, it is characterised in that:The frame (1) is located at travel switch (25) lower section is provided with control group (5), and the control group (5) is arranged in frame (1) by control panel (51), the control group (5) time relay (52), motor relay (53) and the brake switch (54) for braking motor (23), the braking are included Switch (54) and motor relay (53) to be electrically connected with motor (23), row is electrically connected in the time relay (52) Cheng Kaiguan (25) and brake switch (54), and then the rotation of controlled motor (23).
9. a kind of accurate miniature punch press according to claim 1, it is characterised in that:The cross section of the frame (1) is in U It is located at the top of type, the frame (1) above the first eccentric shaft (21) and touches switch provided with the electricity with the electric connection of outside feed mechanism (11), the electricity touches switch (11) and can contacted with the first eccentric shaft (21) periphery.
CN201710484842.2A 2017-06-23 2017-06-23 A kind of accurate miniature punch press Pending CN107160725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710484842.2A CN107160725A (en) 2017-06-23 2017-06-23 A kind of accurate miniature punch press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710484842.2A CN107160725A (en) 2017-06-23 2017-06-23 A kind of accurate miniature punch press

Publications (1)

Publication Number Publication Date
CN107160725A true CN107160725A (en) 2017-09-15

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ID=59819102

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CN201710484842.2A Pending CN107160725A (en) 2017-06-23 2017-06-23 A kind of accurate miniature punch press

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CN (1) CN107160725A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111195927A (en) * 2020-01-21 2020-05-26 陈政 Double-eccentric electric bone cutting machine
CN112172175A (en) * 2020-09-23 2021-01-05 浙江精功机器人智能装备有限公司 Small mask ear rope welding equipment
CN113351719A (en) * 2021-06-21 2021-09-07 浙江易田精工机械股份有限公司 Punching machine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111195927A (en) * 2020-01-21 2020-05-26 陈政 Double-eccentric electric bone cutting machine
CN112172175A (en) * 2020-09-23 2021-01-05 浙江精功机器人智能装备有限公司 Small mask ear rope welding equipment
CN113351719A (en) * 2021-06-21 2021-09-07 浙江易田精工机械股份有限公司 Punching machine

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Application publication date: 20170915

RJ01 Rejection of invention patent application after publication