CN111804790A - Punching machine - Google Patents
Punching machine Download PDFInfo
- Publication number
- CN111804790A CN111804790A CN202010664560.2A CN202010664560A CN111804790A CN 111804790 A CN111804790 A CN 111804790A CN 202010664560 A CN202010664560 A CN 202010664560A CN 111804790 A CN111804790 A CN 111804790A
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- CN
- China
- Prior art keywords
- connecting rod
- frame
- motor
- crankshaft
- gear
- 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
Links
- 238000004080 punching Methods 0.000 title claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, 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
- B30B1/10—Presses, 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
- B30B1/14—Presses, 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a punch press which comprises a rack, a motor, a crankshaft, a first connecting rod and a punch assembly, wherein the motor is fixed on the rack and drives the crankshaft to rotate, the punch assembly is connected with the crankshaft through the first connecting rod, the first connecting rod is coaxially connected with a second connecting rod and a third connecting rod, one end, far away from the first connecting rod, of the second connecting rod is eccentrically connected with the crankshaft, and one end, far away from the first connecting rod, of the third connecting rod is adjustably connected to the rack. According to the invention, the second connecting rod and the third connecting rod are added on the structure of the existing machine tool, the second connecting rod, the third connecting rod and the first connecting rod are coaxially connected, the effective rotating radius of the second connecting rod relative to the central line of the crankshaft can be rapidly adjusted by adjusting the position of one end of the third connecting rod, which is far away from the first connecting rod, so that the stroke adjustment of the punch assembly is realized, and the machine tool has the advantages of convenience in operation, high working efficiency and the like.
Description
Technical Field
The invention relates to the field of machining, in particular to a punch.
Background
The punch press is a machining device which is very common in use, a punch assembly of the existing punch press is usually driven by a crankshaft to do reciprocating linear motion so as to ascend and descend between the highest point and the lowest point of a stroke, however, the stroke of the existing punch assembly is fixed, and the punching requirements of different workpieces can be met only by adjusting the position of a workbench or adding a reduction cushion block on the workbench, so that the inconvenience in operation is caused, and the working efficiency is reduced.
Disclosure of Invention
The invention aims to provide a punch press.
In order to solve the problems, the invention adopts the following technical scheme:
the punch press comprises a rack, a motor, a crankshaft, a first connecting rod and a punch assembly, wherein the motor is fixed on the rack and drives the crankshaft to rotate, the punch assembly is connected with the crankshaft through the first connecting rod, the first connecting rod is coaxially connected with a second connecting rod and a third connecting rod, one end, far away from the first connecting rod, of the second connecting rod is eccentrically connected with the crankshaft, and one end, far away from the first connecting rod, of the third connecting rod is adjustably connected to the rack.
Furthermore, a supporting plate is fixed on the front side of the rack, a sliding groove is formed in the supporting plate, a sliding block is connected to the sliding groove in a matched mode, and the third connecting rod is fixedly connected with the sliding block.
Further, the sliding groove is an arc-shaped sliding groove.
Furthermore, a connecting shaft is arranged between the third connecting rod and the sliding block, a threaded hole is formed in the connecting shaft, a screw rod is connected in the threaded hole in a matched mode, and the position of the sliding block in the sliding groove is adjusted through adjusting the relative position between the screw rod and the connecting shaft.
Furthermore, a support frame is further fixed on the front side of the rack and located above the support plate, a rotating shaft is connected onto the support frame and is in transmission connection with the screw rod, and a knob is formed after one end of the rotating shaft extends out of the support frame.
Furthermore, a driving gear is arranged on the rotating shaft, a driven gear is arranged on the screw rod, and the driven gear is meshed with the driving gear.
Further, the screw rod is provided with a connecting frame, and the connecting frame is connected with the supporting frame.
Further, the link is the L type, and the perpendicular limit of link rotates with the pivot to be connected and sets up with the support frame laminating, the horizontal limit and the screw rod fixed connection of link.
Further, the motor is fixed at the rear side of the frame.
Further, the rear side of the rack is provided with a motor support, the motor is mounted on the motor support, a crankshaft penetrates through the side of the rack, a crankshaft gear is connected to the side of the rack, the motor is provided with a motor gear, and the motor gear is in transmission connection with the crankshaft gear through a belt.
According to the invention, the second connecting rod and the third connecting rod are added on the structure of the existing machine tool, the second connecting rod, the third connecting rod and the first connecting rod are coaxially connected, one end of the second connecting rod, far away from the first connecting rod, is eccentrically connected with the crankshaft, and one end of the third connecting rod, far away from the first connecting rod, is adjustably connected to the frame, so that the effective rotating radius of the second connecting rod relative to the central line of the crankshaft can be rapidly adjusted by adjusting the position of one end of the third connecting rod, far away from the first connecting rod, so that the stroke adjustment of the punch assembly is realized, and the machine tool has the advantages of convenience in operation, high working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic perspective view of the slider shown in FIG. 1 after changing its position;
FIG. 4 is a cross-sectional view of a punch according to a second embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
The first embodiment is as follows: referring to fig. 1 to 3, a punching machine of this embodiment includes a worktable 1, a frame 2, a motor 3, a crankshaft 4, a first connecting rod 5 and a punch assembly 6, the frame 2 is fixed at the rear side of the worktable 1, the motor 3 is fixed at the rear side of the frame 2, the rear side of the frame 2 is provided with a motor bracket 7, the motor 3 is mounted on the motor bracket 7, the motor 3 is provided with a motor gear 8, the crankshaft 4 is mounted on the frame 2, one end of the crankshaft 4 penetrates through the side part of the rack 2 and is connected with a crankshaft gear 9, the motor gear 8 is in transmission connection with the crankshaft gear 9 through a belt 10, the motor 3 drives the crankshaft 4 to rotate through the motor gear 8, the crankshaft gear 9 and the belt 10, the punch assembly 6 is connected with the crankshaft 4 through a first connecting rod 5, the crankshaft 4 rotates under the driving action of the motor 3 and drives the punch assembly 6 to perform reciprocating linear motion through the first connecting rod 5, and therefore punching operation is performed on a workpiece on the working table 1.
In this embodiment, first connecting rod 5 is connected with second connecting rod 11 and third connecting rod 12 coaxially, namely first connecting rod 5, second connecting rod 11 and third connecting rod 12 are connected with coaxial rotation, the one end that second connecting rod 11 keeps away from first connecting rod 5 is connected with the eccentric rotation in bent axle 4 edge, the one end position that first connecting rod 5 was kept away from to third connecting rod 12 is connected on frame 2 adjustably, can keep away from the position of the one end of first connecting rod 5 through adjusting third connecting rod 12 like this, the effective radius of rotation of the relative bent axle 4 central line of second connecting rod 11 is adjusted fast, and then the stroke regulation of drift subassembly 6 has been realized, and it is very convenient to operate, so work efficiency has been improved. Particularly, frame 2 front side is fixed with backup pad 13 and support frame 14, backup pad 13 is located the below of support frame 14, be equipped with spout 15 in the backup pad 13, spout 15 is joined in marriage and is equipped with slider 16, slider 16 can slide in spout 15, third connecting rod 12 and slider 16 fixed connection, can be through the position of adjusting slider 16 in spout 15 like this, come the effective radius of rotation of the relative bent axle 4 central line of quick adjustment second connecting rod 11, spout 15 is the arc spout, be convenient for the regulation of the effective radius of rotation of the relative bent axle 4 central line of second connecting rod 11 is linear change.
In order to adjust the position of the sliding block 16 in the sliding slot 15 conveniently, in this embodiment, a connecting shaft 17 is arranged between the third connecting rod 12 and the sliding block 16, one end of the connecting shaft 17 is fixedly connected with the sliding block 16, the other end of the connecting shaft 17 is rotatably connected with the third connecting rod 12, a threaded hole is arranged on the connecting shaft 17, a screw 18 is matched and connected in the threaded hole, the position of the sliding block 16 in the sliding slot 15 can be adjusted and fixed by adjusting the relative position between the screw 18 and the connecting shaft 17, a rotating shaft 19 is connected on the supporting frame 14, the rotating shaft 19 is rotatably installed on the supporting frame 14, a driving gear 20 is arranged on the rotating shaft 19, a driven gear 21 and a connecting frame 40 are arranged on the screw 18, the connecting frame 40 is in an L shape, the vertical edge of the connecting frame 40 is rotatably connected with the rotating shaft 19 and is attached to the supporting frame 14, the, the driven gear 21 is meshed with the driving gear 20, so that the screw 18 is in transmission connection with the rotating shaft 19, and one end of the rotating shaft 19 extends out of the supporting frame 14 to form a knob 22.
The punch assembly 6 of this embodiment includes the drift axle 23 of being connected with first connecting rod 5 rotation and connects the drift 24 in the drift axle 23 bottom, and frame 2 front side is fixed with dashes a section of thick bamboo 25, dashes a section of thick bamboo 25 and is located workstation 1 directly over, dashes that the axle 23 wears to establish in dashing a section of thick bamboo 25, dashes 23 bottoms stretch out behind a section of thick bamboo 25 and fixed connection with fixed head 26, and in the punching press operation, fixed head 26 and work piece effect realize the punching press action. Be equipped with the material mouth 27 of taking off on the workstation 1, the both sides of taking off material mouth 27 are equipped with and carry out spacing stopper 28 to the work piece, stopper 28 position sets up on workstation 1 adjustably, and the work piece of punching press can be followed and is taken off material mouth 27 and fall and obtain the collection, certainly also can not set up material mouth 27 and stopper 28 of taking off, but be equipped with the carousel and promote carousel pivoted push rod device on workstation 1, annular evenly distributed has a plurality of stations on the carousel, can realize like this that the work piece is placed in batches.
When the stroke of the punch assembly 6 is to be adjusted, the knob 22 can be screwed so as to rotate the screw 18, and due to the threaded connection between the screw 18 and the connecting shaft 17, the rotation of the screw 18 can drive the connecting shaft 17 to move along the screw 18, so that the position of the slider 16 in the sliding groove 15 can be changed, and further, the effective rotating radius of the second connecting rod 11 relative to the central line of the crankshaft 4 can be quickly adjusted, namely, the stroke adjustment of the punch assembly 6 is completed.
Example two: as shown in fig. 4, the present embodiment refines the structure of the punch 24, and the punch 24 includes a fixed head 26 and a movable head 29, and the movable head 29 retracts into the fixed head 26 after receiving an upward force and extends out of the fixed head 26 after the upward force disappears. In this way, during the punching process, after the punch 24 moves downwards to make the movable head 29 contact with the workpiece and receive an upward acting force, the movable head 29 retracts into the fixed head 26 without influencing the punching operation, and after the punch 24 moves upwards after the punching process is finished, the movable head 29 extends out of the fixed head 26 after the upward acting force disappears to make the workpiece separate from the fixed head 26, so that the phenomenon of material sticking is effectively prevented.
In this embodiment, be equipped with in the fixed head 26 and hold chamber 30, it is equipped with elastic component 31 to hold the intracavity 30, activity head 29 stretches into and holds chamber 30 in and 31 butt with elastic component, activity head 29 stretches out and holds chamber 30 in the effect part of elastic component 31, it is equipped with the throat to hold chamber 30 bottom, activity head 29 includes activity shoulder 32 and activity main part 33, elastic component 31 sets up between activity shoulder 32 top and the chamber 30 top of holding, under the normality, elastic component 31 supports activity shoulder 32 to support to the throat department that holds chamber 30, this elasticity 31 is the tube-shape and has elastic rubber spare, so the effort is more balanced, and the embedded a plurality of springs 34 that is equipped with of elastic component 31, a plurality of springs 34 are around the central axis annular evenly distributed of elastic component 31, in order to ensure that the elasticity of elastic component 31 still satisfies the requirement after long-term use. In order to ensure the sealing performance of the accommodating cavity 30, a sealing gasket 35 is arranged between the movable shoulder 32 and the necking of the accommodating cavity 30, and the sealing gasket 35 is sleeved on the movable main body 33.
Because this embodiment has increased movable head 29, so this embodiment can be automatic takes off the effect of material, so can effectively prevent the punching press sizing.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a punch press, includes frame, motor, bent axle, first connecting rod and drift subassembly, and the motor is fixed in the frame, and motor drive bent axle is rotatory, and the drift subassembly passes through first connecting rod and is connected with the bent axle, its characterized in that, first connecting rod coaxial coupling has second connecting rod and third connecting rod, and the one end and the bent axle eccentric connection of first connecting rod are kept away from to the second connecting rod, and the one end position that first connecting rod was kept away from to the third connecting rod is connected in the frame adjustably.
2. The punching machine according to claim 1, wherein a supporting plate is fixed on the front side of the frame, a sliding groove is formed in the supporting plate, a sliding block is connected to the sliding groove in a matching manner, and the third connecting rod is fixedly connected with the sliding block.
3. The punch press of claim 2, wherein the chute is an arcuate chute.
4. The punching machine according to claim 2, wherein a connecting shaft is arranged between the third connecting rod and the sliding block, a threaded hole is arranged on the connecting shaft, a screw rod is matched and connected in the threaded hole, and the position of the sliding block in the sliding groove is adjusted through adjusting the relative position between the screw rod and the connecting shaft.
5. The punching machine according to claim 4, wherein a support frame is further fixed to the front side of the frame, the support frame is located above the support plate, a rotating shaft is connected to the support frame, the rotating shaft is in transmission connection with the screw rod, and a knob is formed after one end of the rotating shaft extends out of the support frame.
6. The punching machine as claimed in claim 4, wherein the rotating shaft is provided with a driving gear, the screw is provided with a driven gear, and the driven gear is engaged with the driving gear.
7. The punching machine according to claim 5, wherein the screw is provided with a connecting frame, and the connecting frame is connected with the supporting frame.
8. The machine tool of claim 5, wherein the connecting frame is L-shaped, the vertical edge of the connecting frame is rotatably connected with the rotating shaft and is attached to the supporting frame, and the transverse edge of the connecting frame is fixedly connected with the screw.
9. The punch press of claim 1, wherein the motor is fixed to a rear side of the frame.
10. The punching machine according to claim 9, wherein a motor bracket is fixed on the rear side of the frame, the motor is mounted on the motor bracket, the crankshaft penetrates through the side part of the frame and is connected with a crankshaft gear, the motor is provided with a motor gear, and the motor gear is in transmission connection with the crankshaft gear through a belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664560.2A CN111804790A (en) | 2020-07-10 | 2020-07-10 | Punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664560.2A CN111804790A (en) | 2020-07-10 | 2020-07-10 | Punching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111804790A true CN111804790A (en) | 2020-10-23 |
Family
ID=72842760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664560.2A Pending CN111804790A (en) | 2020-07-10 | 2020-07-10 | Punching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111804790A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916809A (en) * | 2021-01-27 | 2021-06-08 | 浙江旺盛动力机电有限公司 | Pouring system for cabin castings |
| CN113776770A (en) * | 2021-11-12 | 2021-12-10 | 菏泽双龙冶金机械有限公司 | Structural part testing device for jaw crusher |
| CN114147462A (en) * | 2021-11-27 | 2022-03-08 | 杭州职业技术学院 | Adjustable impact-free thin bearing press-fitting equipment |
| CN115351216A (en) * | 2022-10-21 | 2022-11-18 | 南通鑫马轻合金科技有限公司 | A Die Limiting Equipment for Light Alloy Forging |
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| JP2003048099A (en) * | 2001-08-06 | 2003-02-18 | Yamada Dobby Co Ltd | Press |
| CN201520062U (en) * | 2009-10-19 | 2010-07-07 | 南通锻压设备有限公司 | Opening-type single-point hydraulic punching machine |
| CN103317741A (en) * | 2012-03-23 | 2013-09-25 | 许勒压力机有限责任公司 | Press drive with several modes of operating a press and method for operating a press drive |
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| CN206690581U (en) * | 2017-03-29 | 2017-12-01 | 扬力集团股份有限公司 | A kind of stroke of a press and height of packing compact governor motion |
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| CN109893453A (en) * | 2019-03-05 | 2019-06-18 | 郑州大学第一附属医院 | A kind of broken medicine device of paediatrics neoplastic hematologic disorder |
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2020
- 2020-07-10 CN CN202010664560.2A patent/CN111804790A/en active Pending
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| CN201520062U (en) * | 2009-10-19 | 2010-07-07 | 南通锻压设备有限公司 | Opening-type single-point hydraulic punching machine |
| CN103317741A (en) * | 2012-03-23 | 2013-09-25 | 许勒压力机有限责任公司 | Press drive with several modes of operating a press and method for operating a press drive |
| CN104379336A (en) * | 2012-03-23 | 2015-02-25 | 许勒压力机有限责任公司 | Press drive comprising two working areas |
| CN206690581U (en) * | 2017-03-29 | 2017-12-01 | 扬力集团股份有限公司 | A kind of stroke of a press and height of packing compact governor motion |
| CN109243807A (en) * | 2018-11-26 | 2019-01-18 | 江西亚威电气有限公司 | A kind of coil compressing device |
| CN109893453A (en) * | 2019-03-05 | 2019-06-18 | 郑州大学第一附属医院 | A kind of broken medicine device of paediatrics neoplastic hematologic disorder |
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| Title |
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| 田娥，李毅: "《机械设计基础》", 31 December 2017, 中国铁道出版社, pages: 90 - 91 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916809A (en) * | 2021-01-27 | 2021-06-08 | 浙江旺盛动力机电有限公司 | Pouring system for cabin castings |
| CN113776770A (en) * | 2021-11-12 | 2021-12-10 | 菏泽双龙冶金机械有限公司 | Structural part testing device for jaw crusher |
| CN114147462A (en) * | 2021-11-27 | 2022-03-08 | 杭州职业技术学院 | Adjustable impact-free thin bearing press-fitting equipment |
| CN115351216A (en) * | 2022-10-21 | 2022-11-18 | 南通鑫马轻合金科技有限公司 | A Die Limiting Equipment for Light Alloy Forging |
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