CN203567203U - Punching mechanism - Google Patents
Punching mechanism Download PDFInfo
- Publication number
- CN203567203U CN203567203U CN201320589369.1U CN201320589369U CN203567203U CN 203567203 U CN203567203 U CN 203567203U CN 201320589369 U CN201320589369 U CN 201320589369U CN 203567203 U CN203567203 U CN 203567203U
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- Prior art keywords
- hinged
- force increasing
- pressing block
- punching
- increasing arm
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- 238000004080 punching Methods 0.000 title claims abstract description 59
- 239000000758 substrate Substances 0.000 claims description 28
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001651 emery Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a punching mechanism which comprises a base plate, a drive cylinder and a punching block. The drive cylinder is arranged on the base plate, and the punching block is used for driving an upper die to work. A sliding rail is arranged on the base plate. The punching block and the sliding rail form a sliding pair. A cylinder body of the drive cylinder is hinged to the base plate. A piston rod of the drive cylinder is connected with the punching block through a force increasing mechanism which comprises an upper force increasing arm and a lower force increasing arm. The upper end of the upper force increasing arm is hinged to the base plate, and the lower end of the upper force increasing arm is hinged to the upper end of the lower force increasing arm and the tail end of the piston rod through a hinged shaft. The lower end of the lower force increasing arm is hinged to the punching block. The punching mechanism solves the problems that the punching force of a pneumatic punching mechanism is small and the punching stroke can not be accurately controlled in the prior art, and is low in structure cost, large in punching force, accurate in punching stroke, capable of being used as a grooving machine, and high in practical value.
Description
Technical field
The utility model relates to stamping technology field, relates in particular to the punching mechanism that a kind of cost is low, stamping press is large and punching precision is high.
Background technology
Tradition Sheet Metal Forming Technology is used three kinds of impact styles, the first is to adopt flywheel, bent axle to add the mode of connecting rod, the advantage of this mode is that punching press inertia is large, stroke severity control is accurate, shortcoming is that huge structure, noise are large, when for digital stamping, need to use baroque electric clutch, because controlling the reason of the aspects such as difficulty, when digital stamping, drawing velocity is obviously fast not, and cost is too high.The second is to adopt cylinder direct-connected, be about to diel and be directly connected with cylinder, utilize the impulsive force of cylinder to complete punching press, the advantage of this mode is that simple in structure, less investment, punching stroke scope are large, but it is less that its shortcoming is stamping press, stroke severity control is not accurate enough.The third is to adopt hydraulic way, and the advantage of this mode is that pressure is large, is applicable to stretching and the large format punching press of product, and shortcoming is that speed is slow, cost is too high.In addition, at Billboard, make field, need to carry out transversal slotting to the sheet metal of strip, and in the bending of fluting place, to form the frame of hollow word, because the common thickness of metallic plate of the hollow text border of formation is less, while therefore slotting onboard, the required precision of its degree of depth is very high.The mode of grooving of tradition groover is roughly divided into three kinds, and first kind of way is to use milling cutter groove milling, and its shortcoming is that milling cutter price is high, and service life is very short, is still obvious when processing stainless steel.The second way is to use planing tool channeling, and its shortcoming is higher to operative employee's specification requirement, necessary often grinding dismounting and calibration tool, and smear metal easily rolls into feed mechanism inside and causes workpiece substandard products in addition.The third mode is to use grinding wheel grinding, its shortcoming is that emery wheel own loss is too fast, need constantly compensate, emery wheel is changed frequent, easily overheated when grinding stainless steel, cause stainless steel variable color, and groove depth is wayward, be difficult to obtain the consistent workpiece of groove depth, thereby finally affect product quality.Open day is on July 3rd, 2013, publication number is that the Chinese patent document of CN203031972U discloses a kind of pneumatic punching machine, comprise workbench, frame, support, top board, lower platen, power supply box, sensor, magnetic valve, cylinder, wherein, described workbench is arranged in frame, and frame top is fixed with support; Described top board is installed on support, and described lower platen is arranged in frame and is positioned at the below of top board; Described power supply box is arranged on frame below, and described installation of sensors is in a side of top board, and described cylinder is rack-mount, and is connected with top board; Described magnetic valve is arranged on workbench, and magnetic valve is connected with power supply box; Described sensor and cylinder are connected with magnetic valve respectively.This utility model can realize a source of the gas and supply many pneumatic punching machine work simultaneously, more energy-conservation compared with electric punch, enhances productivity and has reduced noise.But this pneumatic punching machine has still adopted traditional impact style, do not solve stamping press little, the problem that punching stroke cannot accurately be controlled, in addition, because punching stroke cannot accurately be controlled, therefore can not meet the fluting requirement of sheet metal.
Utility model content
The purpose of this utility model is to provide a kind of stamping press the large and accurate punching mechanism of punching stroke for solving the Pneumatic stamping mechanism stamping press problem little and that punching stroke cannot accurately be controlled of prior art.
Another object of the present utility model is that the equipment cost that the groover of prior art exists is high in order to solve, the consistent poor problem of groove depth provides that a kind of cost is low, the consistent good punching mechanism of groove depth.
The utility model is to solve the problems of the technologies described above adopted technical scheme to be: a kind of punching mechanism, comprise substrate and be arranged on driving cylinder on substrate and for driving the pressing block of patrix work, substrate is provided with slide rail, described pressing block and slide rail form sliding pair, the cylinder body of described driving cylinder is hinged on substrate, the piston rod of driving cylinder is connected with pressing block by force-increasing mechanism, described force-increasing mechanism comprises force increasing arm and lower force increasing arm, upper end and the substrate of upper force increasing arm are hinged, the upper end of the lower end of upper force increasing arm and lower force increasing arm and the end of piston rod are hinged by same jointed shaft, lower end and the pressing block of lower force increasing arm are hinged, described force-increasing mechanism and driving cylinder are arranged on the same face of substrate, the upper end of driving cylinder and upper force increasing arm is all articulated with on substrate by articulated slab, described articulated slab is two, be symmetricly set on the both sides of force-increasing mechanism and driving cylinder.The utility model, without flywheel, the bent axle of traditional punch press, promotes upper and lower force increasing arm by driving cylinder, utilizes upper and lower force increasing arm that the stamping press of driving cylinder is amplified, and the structure of simultaneously upper and lower force increasing arm can make the stroke of punching press precisely controlled.Like this, the utility model has solved the problem that Pneumatic stamping mechanism stamping press is little and punching stroke cannot accurately be controlled of prior art.The utility model is simple for structure, functional reliability is high, less investment and be easy to numerical controlization and control, and to compare Stroke Control more accurate with the straight punching press of cylinder, can meet high-precision punching press requirement; When using the identical cylinder of diameter, the pressure that obtains is tens times or tens times of the straight punching press of cylinder, has greatly increased stamping press.In addition, in this structure, the jointed shaft of force increasing arm and driving cylinder all can be realized two ends and substrate is hinged, thereby makes jointed shaft two ends stress balance, avoids the discontinuity equalization of jointed shaft and affects normally carrying out of punching course, reduces equipment cost.And force-increasing mechanism and driving cylinder are arranged on to the same face of substrate, and simplified the structure of equipment, reduced volume.
As preferably, upper force increasing arm comprises two blocks of kidney-shaped plates that be arranged in parallel, and the upper end of kidney-shaped plate is hinged by hinged seat and substrate, and the lower end of two blocks of kidney-shaped plates is hinged with the two ends of jointed shaft respectively, between two blocks of kidney-shaped plates, is provided with fixedly crosspiece.This structure can be guaranteed symmetrical configuration between upper force increasing arm and the jointed shaft at upper and lower two ends, thereby reaches the object of stress balance.
As preferably, lower force increasing arm is connected and composed by the articulated joint at two and middle adjusting screw(rod), the articulated joint at two is respectively equipped with one end that adjusting screw(rod) connects the internal thread that rotation direction is contrary, the two ends of adjusting screw(rod) be respectively equipped with articulated joint on the suitable external screw thread of internal thread, the centre of adjusting screw(rod) is provided with hexagonal prismoid, is also provided with locking nut on adjusting screw(rod).Adjusting screw(rod) can be finely tuned the length of lower force increasing arm, thereby realizes the fine setting to pressing block extreme lower position, thereby realizes the accurate control of punching stroke.The length of lower force increasing arm is locked by locking nut after having finely tuned, and avoids the length of lower force increasing arm in punching course to change, thereby affects stamping quality.
As preferably, slide rail is symmetrically set in pressing block both sides, the outside of slide rail is provided with regulating block, slide rail is provided with V-arrangement chute, described pressing block both sides are provided with the draw runner with V-arrangement chute adaptation, the top of pressing block is provided with U-shaped breach, and lower force increasing arm is hinged on the U-shaped indentation, there of pressing block, and the lower end of pressing block is provided with patrix fixed structure.Regulating block, for finely tuning the position of slide rail, guarantees that pressing block slides smoothly on slide rail.
As preferably, driving cylinder is single-acting cylinder or oil cylinder.
As preferably, the patrix that pressing block drives is V-arrangement pressure head, is column jacking block with the counterdie of the corresponding setting of V-arrangement pressure head.At Billboard, make field, need to carry out transversal slotting to the sheet metal of strip, and in the bending of fluting place, to form the frame of hollow word, owing to forming the laths of metal (workpiece) of hollow text border, thickness is less conventionally, and while therefore slotting onboard, the required precision of its degree of depth is very high.Punching mechanism of the present utility model utilizes the V-arrangement pressure head of patrix and the column jacking block of counterdie, coordinate high-precision press depth to control, can on lath, need the position of bending to extrude vee-cut, then the vee-cut utilizing carries out bending to lath, so just make the utility model can be used as groover and use, thereby save a large amount of equipment investments.
The beneficial effects of the utility model are: it has solved the problem that Pneumatic stamping mechanism stamping press is little and punching stroke cannot accurately be controlled of prior art effectively, also solved that the equipment cost that the slotting machine for metal sheet of prior art exists is high, the consistent poor problem of groove depth, infrastructure cost of the present utility model is low, stamping press is large and punching stroke is accurate, can be used as groover and use, there is very high practical value.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the utility model punching mechanism;
Fig. 2 is a kind of structural representation of the utility model punching mechanism piston rod while stretching out;
A kind of structural representation when Fig. 3 is the retraction of the utility model punching mechanism piston rod;
A kind of partial structurtes schematic diagram when Fig. 4 is the punching press of the utility model punching mechanism;
Fig. 5 is a kind of structural representation of hollow text border.
In figure: 1. substrate, 2. driving cylinder, 3. pressing block, 4. slide rail, 5. piston rod, 6. goes up force increasing arm, 7. descends force increasing arm, 8. jointed shaft, 9. articulated slab, 10. kidney-shaped plate, 11. hinged seats, 12. fixing crosspieces, 13. articulated joints, 14. adjusting screw(rod)s, 15. regulating blocks, 16. draw runners, 17. V-arrangement pressure heads, 18. column jacking blocks, 19. laths.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings the specific embodiment of technical solutions of the utility model is further described.
In the embodiment 1 as shown in Fig. 1 Fig. 2 Fig. 3, a kind of punching mechanism, comprise substrate 1 and be arranged on single-acting cylinder 2 on substrate and for driving the pressing block 3 of patrix work, substrate is provided with slide rail 4, described pressing block and slide rail form sliding pair, the cylinder body of described cylinder is hinged on substrate, the piston rod 5 of cylinder is connected with pressing block by force-increasing mechanism, described force-increasing mechanism comprises force increasing arm 6 and lower force increasing arm 7, upper end and the substrate of upper force increasing arm are hinged, the upper end of the lower end of upper force increasing arm and lower force increasing arm and the end of piston rod are hinged by same jointed shaft 8, lower end and the pressing block of lower force increasing arm are hinged.Force-increasing mechanism and driving cylinder are arranged on the same face of substrate, and the upper end of cylinder and upper force increasing arm is all articulated with on substrate by articulated slab 9, and described articulated slab is two (in figure, drawing one), are symmetricly set on the both sides of force-increasing mechanism and cylinder.Upper force increasing arm comprises two blocks of kidney-shaped plates 10 that be arranged in parallel, and the upper end of kidney-shaped plate is hinged by hinged seat 11 and substrate, and the lower end of two blocks of kidney-shaped plates is hinged with the two ends of jointed shaft respectively, is provided with fixedly crosspiece 12 between two blocks of kidney-shaped plates.Lower force increasing arm is connected and composed with middle adjusting screw(rod) 14 by the articulated joint 13 at two, the articulated joint at two is respectively equipped with one end that adjusting screw(rod) connects the internal thread that rotation direction is contrary, the two ends of adjusting screw(rod) be respectively equipped with articulated joint on the suitable external screw thread of internal thread, the centre of adjusting screw(rod) is provided with hexagonal prismoid, is also provided with locking nut (not shown in FIG.) on adjusting screw(rod).Slide rail is symmetrically set in pressing block both sides, the outside of slide rail is provided with regulating block 15, slide rail is provided with V-arrangement chute, described pressing block both sides are provided with the draw runner 16 with V-arrangement chute adaptation, the top of pressing block is provided with U-shaped breach, lower force increasing arm is hinged on the U-shaped indentation, there of pressing block, and the lower end of pressing block is provided with patrix fixed structure.
The driving cylinder of embodiment 2 is hydraulic jack, and all the other are identical with embodiment 1.
The patrix that the pressing block of embodiment 3 drives is V-arrangement pressure head 17, is that column jacking block 18(is shown in Fig. 4 with the counterdie of the corresponding setting of V-arrangement pressure head), counterdie is arranged on substrate or workbench, and all the other are identical with embodiment 1 or embodiment 2.
The utility model, without flywheel, the bent axle of traditional punch press, promotes upper and lower force increasing arm by driving cylinder, utilizes upper and lower force increasing arm that the stamping press of driving cylinder is amplified, and the structure of simultaneously upper and lower force increasing arm can make the stroke of punching press precisely controlled.Like this, the utility model has solved the problem that Pneumatic stamping mechanism stamping press is little and punching stroke cannot accurately be controlled of prior art.The utility model is simple for structure, functional reliability is high, less investment and be easy to numerical controlization and control, and to compare Stroke Control more accurate with the straight punching press of cylinder, can meet high-precision punching press requirement; When using the identical cylinder of diameter, the pressure that obtains is tens times or tens times of the straight punching press of cylinder, has greatly increased stamping press.When the patrix of pressing block driving adopts V-arrangement pressure head, the counterdie corresponding with V-arrangement pressure head to be column jacking block, punching mechanism of the present utility model utilizes the V-arrangement pressure head of patrix and the column jacking block of counterdie, coordinate high-precision press depth to control, can on lath 19, need the position of bending to extrude vee-cut, then the vee-cut utilizing carries out bending to lath and forms hollow character (see figure 5), so just make the utility model can be substituted in Billboard and make the widely used numerical control groover in field, thereby save a large amount of equipment investments.
In addition to the implementation; in claims of the present utility model and the disclosed scope of description; technical characterictic of the present utility model or technical data can reselect and combine; thereby form new embodiment; it is that those skilled in the art just can realize easily without creative work that these the utility model do not have the embodiment of describing in detail, so these embodiments of not describing in detail also should be considered as specific embodiment of the utility model and within protection domain of the present utility model.
Claims (6)
1. a punching mechanism, it is characterized in that: comprise substrate (1) and be arranged on driving cylinder (2) on substrate and for driving the pressing block (3) of patrix work, substrate is provided with slide rail (4), described pressing block and slide rail form sliding pair, the cylinder body of described driving cylinder is hinged on substrate, the piston rod of driving cylinder (5) is connected with pressing block by force-increasing mechanism, described force-increasing mechanism comprises force increasing arm (6) and lower force increasing arm (7), upper end and the substrate of upper force increasing arm are hinged, the upper end of the lower end of upper force increasing arm and lower force increasing arm and the end of piston rod are hinged by same jointed shaft (8), lower end and the pressing block of lower force increasing arm are hinged, described force-increasing mechanism and driving cylinder are arranged on the same face of substrate, the upper end of driving cylinder and upper force increasing arm is all articulated with on substrate by articulated slab (9), described articulated slab is two, be symmetricly set on the both sides of force-increasing mechanism and driving cylinder.
2. punching mechanism according to claim 1, it is characterized in that: described upper force increasing arm comprises two blocks of kidney-shaped plates (10) that be arranged in parallel, the upper end of kidney-shaped plate is hinged by hinged seat (11) and substrate, the lower end of two blocks of kidney-shaped plates is hinged with the two ends of jointed shaft respectively, is provided with fixedly crosspiece (12) between two blocks of kidney-shaped plates.
3. punching mechanism according to claim 1, it is characterized in that: described lower force increasing arm is connected and composed with middle adjusting screw(rod) (14) by the articulated joint (13) at two, the articulated joint at two is respectively equipped with one end that adjusting screw(rod) connects the internal thread that rotation direction is contrary, the two ends of adjusting screw(rod) be respectively equipped with articulated joint on the suitable external screw thread of internal thread, the centre of adjusting screw(rod) is provided with hexagonal prismoid, is also provided with locking nut on adjusting screw(rod).
4. punching mechanism according to claim 1, it is characterized in that: described slide rail is symmetrically set in pressing block both sides, the outside of slide rail is provided with regulating block (15), slide rail is provided with V-arrangement chute, described pressing block both sides are provided with the draw runner (16) with V-arrangement chute adaptation, the top of pressing block is provided with U-shaped breach, and lower force increasing arm is hinged on the U-shaped indentation, there of pressing block, and the lower end of pressing block is provided with patrix fixed structure.
5. according to the punching mechanism described in claim 1 or 2 or 3 or 4, it is characterized in that: driving cylinder is single-acting cylinder or oil cylinder.
6. according to the punching mechanism described in claim 1 or 2 or 3 or 4, it is characterized in that: the patrix that pressing block drives is V-arrangement pressure head (17), is column jacking block (18) with the counterdie of the corresponding setting of V-arrangement pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589369.1U CN203567203U (en) | 2013-09-23 | 2013-09-23 | Punching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589369.1U CN203567203U (en) | 2013-09-23 | 2013-09-23 | Punching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567203U true CN203567203U (en) | 2014-04-30 |
Family
ID=50534959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320589369.1U Expired - Fee Related CN203567203U (en) | 2013-09-23 | 2013-09-23 | Punching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203567203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003786A (en) * | 2016-07-22 | 2016-10-12 | 艾佛森（深圳）科技有限公司 | Pneumatic punching machine |
-
2013
- 2013-09-23 CN CN201320589369.1U patent/CN203567203U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106003786A (en) * | 2016-07-22 | 2016-10-12 | 艾佛森（深圳）科技有限公司 | Pneumatic punching machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20150923 |
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| EXPY | Termination of patent right or utility model |