CN109773009B - Two-way hydraulic press of punching press stroke adjustable - Google Patents
Two-way hydraulic press of punching press stroke adjustable Download PDFInfo
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- CN109773009B CN109773009B CN201910145551.XA CN201910145551A CN109773009B CN 109773009 B CN109773009 B CN 109773009B CN 201910145551 A CN201910145551 A CN 201910145551A CN 109773009 B CN109773009 B CN 109773009B
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Abstract
The invention discloses a bidirectional hydraulic punch press with an adjustable punching stroke, which comprises a bottom plate and two feeding seats, wherein a rack capable of moving left and right is arranged between the two feeding seats, two ends of the rack are respectively and fixedly connected with a punch, the rack is meshed with a fan-shaped outer gear ring, a fan-shaped inner gear ring is fixed on the fan-shaped outer gear ring, the fan-shaped inner gear ring is meshed with a middle gear, the middle gear is meshed with a driving rack, the driving rack is fixedly connected with a piston rod of a hydraulic cylinder through a connecting arm, the right side of the connecting arm is provided with a right limit adjusting mechanism, the hydraulic cylinder is provided with a piston stroke adjusting mechanism, and the. The invention has compact structure, can carry out bidirectional stamping, can greatly improve the stamping efficiency, and can adjust the stroke of the punch by changing the position of the oil cylinder and the piston stroke adjusting mechanism.
Description
The technical field is as follows:
the invention relates to the technical field of hydraulic equipment, in particular to a bidirectional hydraulic punch with an adjustable punching stroke.
Background art:
in the prior art, a punching machine generally comprises a workbench for placing a workpiece to be punched, and a punch located above the workbench, wherein the workpiece to be punched is punched by moving the punch downwards relative to the workbench. In the process of stamping thin workpieces, the stamping machine with the traditional structure is adopted, on one hand, the situation of power waste exists because the stamping force required for stamping the thin workpieces is small; on the other hand, when the traditional punching machine is adopted for punching, the punching efficiency is lower, and the punching machine has larger volume and wider occupied area.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a bidirectional hydraulic punch with adjustable punching stroke, which has compact structure, can perform bidirectional punching, can greatly improve the punching efficiency and can adjust the stroke of a punch by changing the position of an oil cylinder and a piston stroke adjusting mechanism.
The scheme for solving the technical problems is as follows:
a bidirectional hydraulic punch press with adjustable punching stroke comprises a bottom plate, wherein two feeding seats which are arranged in a bilateral symmetry mode are fixed on the bottom plate, a feeding hole which penetrates through the feeding seats in the front-back direction and a punching hole which penetrates through the feeding hole in the left-right direction are formed in the feeding seats, a rack which can move left and right is arranged between the two feeding seats, the rack is connected to the bottom plate in a sliding mode, two ends of the rack are respectively and fixedly connected with a punch, the punches correspond to the punching holes, a fan-shaped outer gear ring is meshed with the rack, the fan-shaped outer gear ring is fixed on a hinge seat, the hinge seat is hinged to a base shaft, and; be fixed with on the inside wall of fan-shaped outer ring gear rather than the fan-shaped ring gear that sets up with the axle center, fan-shaped ring gear and the intermediate gear meshing that articulates on the bottom plate, intermediate gear meshing has the drive rack, and the shaping has the gib block on the lower lateral wall of drive rack, the shaping has right side open-ended guide way on the bottom plate, and the gib block plug bush is in the guide way, the drive rack passes through the piston rod fixed connection of linking arm and pneumatic cylinder, the right side of linking arm is equipped with right spacing adjustment mechanism, and the pneumatic cylinder is equipped with piston stroke adjustment mechanism, be fixed with two lugs that set up about on the outer wall of the cylinder body of pneumatic cylinder, the shaping has left side open-ended T type groove on the bottom plate, T type groove is located the lug under, T type inslot cup joints the screw that sets up about two, and the screw rod section of screw.
An oil groove is formed in the lower bottom surface of the guide groove, and lubricating oil is filled in the oil groove.
The right limit adjusting mechanism comprises an inserting sleeve and a base fixed in the guide groove, the base is located on the right side of the driving rack, a screw rod arranged in the left-right direction is connected to the base in a threaded mode, a limit block is fixed to the left end of the screw rod, and the limit block is opposite to the connecting arm.
The piston stroke adjusting mechanism comprises an adjusting seat hinged to the left side wall of the cylinder body, a threaded hole with an opening at the right side is formed in the adjusting seat, an adjusting screw rod is screwed in the threaded hole, a limiting plate is fixed to the end of the adjusting screw rod, a guide strip is fixed to the limiting plate and is inserted and sleeved in a rectangular guide groove in the inner wall of the left end of the cylinder body, and a hexagonal hole with an opening at the left side is formed in the adjusting seat;
the limiting plate is located on the left side of a piston in the cylinder body, the piston rod penetrates through the right side wall of the cylinder body and is fixedly connected with the piston, a first oil inlet and outlet hole and a second oil inlet and outlet hole are formed in the cylinder body, a left side cavity formed by the piston and the left side inner wall of the cylinder body is communicated with the first oil inlet and outlet hole, and a right side cavity formed by the piston and the right side inner wall of the cylinder body is communicated with the second oil inlet and outlet hole.
And a sealing ring is arranged between the outer wall of the adjusting seat and the left side wall of the cylinder body.
The lower bottom surface of the rack is fixed with a sliding block, a sliding groove which penetrates through the sliding block in the left-right direction is formed in the sliding block, the sliding groove is inserted and sleeved on a sliding rail, and the sliding rail is fixed on the bottom plate.
And a guide taper hole is formed at the front end of the feeding hole.
The screw is translatable but non-rotatable within the T-slot.
The invention has the following outstanding effects: compared with the prior art, the punching machine has compact structure, can perform bidirectional punching, can greatly improve the punching efficiency, and can adjust the stroke of the punch by changing the position of the oil cylinder and the piston stroke adjusting mechanism.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a cross-sectional view of FIG. 3 taken about B-B;
FIG. 5 is a cross-sectional view of FIG. 4 taken about C-C;
fig. 6 is a partially enlarged view of fig. 4 with respect to D.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 6, a bidirectional hydraulic press with an adjustable punching stroke includes a base plate 1, two feeding seats 2 symmetrically arranged left and right are fixed on the base plate 1, a feeding hole 201 penetrating through the feeding seats 2 in a front-rear direction and a punching hole 202 penetrating through the feeding hole 201 in a left-right direction are formed on the feeding seats 2, a rack 31 capable of moving left and right is arranged between the two feeding seats 2, the rack 31 is slidably connected to the base plate 1, two ends of the rack 31 are respectively and fixedly connected with a punch 32, the punch 32 corresponds to the punching hole 202, the rack 31 is meshed with a fan-shaped outer gear ring 33, the fan-shaped outer gear ring 33 is fixed on a hinge seat 34, the hinge seat 34 is hinged to a base shaft 35, and the base shaft 35 is fixedly connected to the; a sector inner gear ring 36 which is coaxial with the sector inner gear ring 33 is fixed on the inner side wall of the sector outer gear ring 33, the sector inner gear ring 36 is meshed with a middle gear 37 hinged on the bottom plate 1, a driving rack 38 is meshed with the middle gear 37, a guide strip 381 is formed on the lower side wall of the driving rack 38, a guide groove 101 with an open right side is formed on the bottom plate 1, the guide strip 381 is inserted in the guide groove 101, the driving rack 38 is fixedly connected with a piston rod 41 of a hydraulic cylinder 4 through a connecting arm 39, a right limit adjusting mechanism 5 is arranged on the right side of the connecting arm 39, the hydraulic cylinder 4 is provided with a piston stroke adjusting mechanism 6, two left and right support lugs 43 are fixed on the outer wall of a cylinder body 42 of the hydraulic cylinder 4, a left open T-shaped groove 102 is formed on the bottom plate 1, the T-shaped groove 102 is positioned under the support lugs 43, and two left and right screws 44 are, the screw section of the screw 44 is screwed with a nut 45 through the upper protruding end of the support lug 43.
More specifically, an oil groove 103 is formed on a lower bottom surface of the guide groove 101, and the oil groove 103 is filled with lubricating oil.
Furthermore, the right limit adjusting mechanism 5 comprises a base 51 inserted and fixed in the guide groove 101, the base 51 is located at the right side of the driving rack 38, a screw 52 arranged in the left-right direction is screwed on the base 51, a limit block 53 is fixed at the left end of the screw 52, and the limit block 53 faces the connecting arm 39.
Furthermore, the piston stroke adjusting mechanism 6 comprises an adjusting seat 61 hinged on the left side wall of the cylinder 42, the adjusting seat 61 is formed with a threaded hole 611 with a right opening, an adjusting screw 62 is screwed in the threaded hole 611, a limiting plate 63 is fixed at the end of the adjusting screw 62, a guide strip 64 is fixed on the limiting plate 63, the guide strip 64 is inserted and sleeved in a rectangular guide groove 421 on the inner wall of the left end of the cylinder 42, and the adjusting seat 61 is formed with a hexagonal hole 612 with a left opening;
the limit plate 63 is located on the left side of the piston 46 in the cylinder 42, the piston rod 41 passes through the right side wall of the cylinder 42 and is fixedly connected with the piston 46, the cylinder 42 is provided with a first oil inlet and outlet hole 47 and a second oil inlet and outlet hole 48, a left cavity 401 formed by the piston 46 and the left side inner wall of the cylinder 42 is communicated with the first oil inlet and outlet hole 47, and a right cavity 402 formed by the piston 46 and the right side inner wall of the cylinder 42 is communicated with the second oil inlet and outlet hole 48.
Furthermore, a sealing ring 65 is disposed between the outer wall of the adjusting seat 61 and the left side wall of the cylinder 42.
Furthermore, a sliding block 71 is fixed on the lower bottom surface of the rack 31, a sliding groove 711 penetrating in the left-right direction is formed on the sliding block 71, the sliding groove 711 is inserted and sleeved on the sliding rail 72, and the sliding rail 72 is fixed on the bottom plate 1.
Furthermore, a guide taper hole 203 is formed at the front end of the feed hole 201.
Further, the screw 44 is translatable but non-rotatable within the T-slot 102.
The working principle is as follows: firstly, the method comprises the following steps: inserting a pipe fitting to be punched into a feeding hole 201 of a feeding seat 2; secondly, the method comprises the following steps: a piston rod of the oil cylinder 4 extends, a driving rack 38 is driven to move right through a connecting arm 39, the driving rack 38 drives an intermediate gear 37 to rotate anticlockwise, the intermediate gear 37 drives a fan-shaped inner gear ring 36 to rotate anticlockwise by a certain angle, the fan-shaped inner gear ring 36 drives a fan-shaped outer gear ring 33 to rotate around a base shaft, the fan-shaped outer gear ring 33 drives a rack 31 to move left, and the rack 31 drives a punch 32 on the left side to be inserted into a punching hole 202 and a feeding hole 201 of a feeding seat on the left side, so that the pipe on the feeding seat 2 on the left side is; when the piston rod of the oil cylinder 4 contracts, the rack 31 is driven to move to the right, and the rack 31 drives the punch 32 on the right side to be inserted into the punching hole 202 and the feeding hole 201 of the feeding seat 2 on the right side, so that the pipe on the feeding seat 2 on the right side is punched; thirdly, the method comprises the following steps: when the stroke of the two punches 32 needs to be adjusted, the two nuts 45 are unscrewed, the piston rod 41 of the oil cylinder 4 is in a fully extended state, then the screw rod 52 can drive the limiting block 53 to move left or right by rotating the screw rod 52, and then the connecting arm 39 is pressed on the limiting block 53 so as to limit the rightmost position of the driving rack 38 to move right, so that the stroke of the left punch 32 to move left is determined; then the nut 45 is screwed to fix the oil cylinder 4, the adjusting seat 61 is rotated, the adjusting seat 61 drives the adjusting screw rod 62 to move rightwards, the adjusting screw rod 62 drives the limiting plate 63 to move rightwards, when the piston rod contracts, the piston stops moving rightwards after touching the limiting plate 63, so that the contraction quantity of the piston rod is changed, the position of the driving rack 38 moving leftwards is determined by changing the contraction quantity of the piston rod, and the stroke of the punch head 32 on the right side when moving rightwards is determined.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (5)
1. The utility model provides a two-way hydraulic press of punching press stroke adjustable, includes bottom plate (1), its characterized in that: the bottom plate (1) is fixedly provided with two feeding seats (2) which are arranged in a bilateral symmetry mode, a feeding hole (201) which penetrates through the feeding seat (2) in the front-back direction and a punching hole (202) which penetrates through the feeding hole (201) in the left-right direction are formed in the feeding seat (2), a rack (31) which can move left and right is arranged between the two feeding seats (2), the rack (31) is connected to the bottom plate (1) in a sliding mode, two ends of the rack (31) are fixedly connected with a punch (32), the punch (32) corresponds to the punching hole (202), the rack (31) is meshed with a fan-shaped outer gear ring (33), the fan-shaped outer gear ring (33) is fixed to a hinge seat (34), the hinge seat (34) is hinged to a base shaft (35), and the base shaft (35) is fixedly connected; a fan-shaped inner gear ring (36) coaxially arranged with the fan-shaped outer gear ring (33) is fixed on the inner side wall of the fan-shaped outer gear ring (33), the fan-shaped inner gear ring (36) is meshed with an intermediate gear (37) hinged on the bottom plate (1), the intermediate gear (37) is meshed with a driving rack (38), a guide strip is formed on the lower side wall of the driving rack (38), a guide groove (101) with an open right side is formed on the bottom plate (1), the guide strip is inserted in the guide groove (101), the driving rack (38) is fixedly connected with a piston rod (41) of a hydraulic cylinder (4) through a connecting arm (39), a right limiting adjusting mechanism (5) is arranged on the right side of the connecting arm (39), a piston stroke adjusting mechanism (6) is arranged on the hydraulic cylinder (4), two left and right supporting lugs (43) are fixed on the outer wall of a cylinder body (42) of the hydraulic cylinder (4), a T-shaped groove (102) with an, the T-shaped groove (102) is positioned right below the support lug (43), two screws (44) arranged left and right are sleeved in the T-shaped groove (102), and a screw rod section of each screw (44) penetrates through the upper extending end of the support lug (43) and is in threaded connection with a nut (45);
the right limit adjusting mechanism (5) comprises a base (51) which is inserted in a sleeve and fixed in the guide groove (101), the base (51) is positioned on the right side of the driving rack (38), a screw rod (52) arranged in the left-right direction is screwed on the base (51), a limit block (53) is fixed at the left end of the screw rod (52), and the limit block (53) is opposite to the connecting arm (39);
the piston stroke adjusting mechanism (6) comprises an adjusting seat (61) hinged to the left side wall of the cylinder body (42), a threaded hole (611) with an opening on the right side is formed in the adjusting seat (61), an adjusting screw rod (62) is screwed in the threaded hole (611), a limiting plate (63) is fixed to the end portion of the adjusting screw rod (62), a guide strip is fixed to the limiting plate (63), the guide strip (64) is inserted and sleeved in a rectangular guide groove (421) in the inner wall of the left end of the cylinder body (42), and a hexagonal hole (612) with an opening on the left side is formed in the adjusting seat (61);
the limiting plate (63) is positioned on the left side of a piston (46) in the cylinder body (42), the piston rod (41) penetrates through the right side wall of the cylinder body (42) and is fixedly connected with the piston (46), a first oil inlet and outlet hole (47) and a second oil inlet and outlet hole (48) are formed in the cylinder body (42), a left cavity (401) formed by the piston (46) and the left inner wall of the cylinder body (42) is communicated with the first oil inlet and outlet hole (47), and a right cavity (402) formed by the piston (46) and the right inner wall of the cylinder body (42) is communicated with the second oil inlet and outlet hole (48);
a sliding block (71) is fixed on the lower bottom surface of the rack (31), a sliding groove (711) penetrating in the left-right direction is formed in the sliding block (71), the sliding groove (711) is inserted and sleeved on the sliding rail (72), and the sliding rail (72) is fixed on the bottom plate (1).
2. The bi-directional hydraulic press with adjustable punching stroke according to claim 1, wherein: an oil groove (103) is formed in the lower bottom surface of the guide groove (101), and lubricating oil is filled in the oil groove (103).
3. The bi-directional hydraulic press with adjustable punching stroke according to claim 1, wherein: and a sealing ring (65) is arranged between the outer wall of the adjusting seat (61) and the left side wall of the cylinder body (42).
4. The bi-directional hydraulic press with adjustable punching stroke according to claim 1, wherein: a guide taper hole (203) is formed at the front end of the feeding hole (201).
5. The bi-directional hydraulic press with adjustable punching stroke according to claim 1, wherein: the screw (44) is translatable but non-rotatable within the T-slot (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145551.XA CN109773009B (en) | 2019-02-27 | 2019-02-27 | Two-way hydraulic press of punching press stroke adjustable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910145551.XA CN109773009B (en) | 2019-02-27 | 2019-02-27 | Two-way hydraulic press of punching press stroke adjustable |
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| Publication Number | Publication Date |
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| CN109773009A CN109773009A (en) | 2019-05-21 |
| CN109773009B true CN109773009B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910145551.XA Active CN109773009B (en) | 2019-02-27 | 2019-02-27 | Two-way hydraulic press of punching press stroke adjustable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001132708A (en) * | 1999-11-02 | 2001-05-18 | Smc Corp | Stroke-adjustable fluid pressure cylinder |
| PL225397B1 (en) * | 2014-10-28 | 2017-04-28 | Mrozek Robert Eurosim 3 Pphu | Device for simultaneous cutting holes and forcing through the tubular metal elements |
| CN104385654A (en) * | 2014-12-01 | 2015-03-04 | 新昌县澄潭镇苗平机械厂 | Stamping press |
| CN106426329B (en) * | 2016-12-07 | 2018-01-30 | 无锡同心塑料制品有限公司 | One kind is compressed into stripe shape foamed plastics customized cut-off equipment |
| DE102016125137A1 (en) * | 2016-12-21 | 2018-06-21 | Festo Ag & Co. Kg | Multi-position cylinder |
| CN207494239U (en) * | 2017-11-30 | 2018-06-15 | 重庆远达钢铁制品有限公司 | A kind of device of punch mark |
| CN108058033A (en) * | 2017-12-21 | 2018-05-22 | 重庆臣凿科技有限公司 | Milling machine auxiliary support apparatus |
| CN207673647U (en) * | 2017-12-29 | 2018-07-31 | 云内动力达州汽车有限公司 | A kind of hydraulic cylinder of efficient range-adjustable |
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Effective date of registration: 20200929 Address after: Keda Road, economic and Technological Development Zone, Yicheng District, Zaozhuang City, Shandong Province Applicant after: ZAOZHUANG TIANZHU HARDWARE TECHNOLOGY Co.,Ltd. Address before: 325100 Building No. 9, Science and Technology New Village, Codaocun, Jiangbei Street, Yongjia County, Wenzhou City, Zhejiang Province (3rd floor B District) Applicant before: WENZHOU YIZHENG TECHNOLOGY Co.,Ltd. |
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