CN113000658A - Shockproof high-speed precise pull-down type punch press - Google Patents
Shockproof high-speed precise pull-down type punch press Download PDFInfo
- Publication number
- CN113000658A CN113000658A CN201911312287.0A CN201911312287A CN113000658A CN 113000658 A CN113000658 A CN 113000658A CN 201911312287 A CN201911312287 A CN 201911312287A CN 113000658 A CN113000658 A CN 113000658A
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- CN
- China
- Prior art keywords
- connecting rod
- sliding block
- crankshaft
- punch press
- slider
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- 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
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Classifications
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- 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
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- 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
- B30B1/26—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 cams, eccentrics, or cranks
- B30B1/28—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 cams, eccentrics, or cranks the cam, crank, or eccentric being disposed below the lower platen or table and operating to pull down the upper platen or slide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0076—Noise or vibration isolation means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a high-speed shockproof pull-down punch press, which comprises a punch press body, a motor, a flywheel, a crankshaft, a slider mechanism, a dynamic balance mechanism and a workbench, wherein the punch press body comprises a base, an upper seat and a frame, bearings on two sides of the frame are connected with two ends of the crankshaft, one end of the crankshaft extends outwards to form a section which is connected with the flywheel and the motor, the crankshaft is provided with a main connecting rod eccentric shaft and an auxiliary connecting rod eccentric shaft, the main connecting rod eccentric shaft is connected with a main connecting rod through the main connecting rod eccentric shaft and is connected with an auxiliary connecting rod through the auxiliary connecting rod eccentric shaft, the main connecting rod is vertically connected with a lower slider of the slider mechanism towards the lower side, the auxiliary connecting rod is vertically connected with the dynamic balance mechanism towards the upper side, the upper seat and the workbench are integrated into a whole, the slider structure comprises an upper slider and a lower slider, the lower slider obtains power through the crankshaft, the technology avoids oil pollution to products, the machine body is more compact, and the stamping speed can reach 800 times/minute.
Description
Technical Field
The invention relates to the technical field of high-speed precision punching machines, in particular to a shockproof high-speed precision pull-down punching machine.
Background
The punch press is widely applied to punching and forming of electronics, communication, computers, household appliances, furniture, vehicles, hardware parts and the like, the design principle is that circular motion is converted into linear motion, a main motor drives a flywheel, a crankshaft (or an eccentric gear), a connecting rod and the like to rotate to achieve the linear motion of a sliding block, and the application field of the punch press is wide, so that the phenomena of vibration and displacement cannot be solved when the traditional punch press is processed at high speed, the working rotating speed is forced to be generally not more than 300 revolutions per minute, some processed products are required to be free from oil pollution, and the height of a workbench of the traditional punch press is generally higher than the height which an operator is accustomed to;
aiming at the problems, a precise and high-speed pull-down punch is designed, an upper sliding block and a lower sliding block are arranged, a motor drives a flywheel, a crankshaft and a main connecting rod to achieve linear motion of the lower sliding block, the lower sliding block is linked with the upper sliding block through a pull rod to synchronously perform linear motion to punch a product, and a dynamic balancing mechanism is arranged to prevent vibration and displacement of a machine table to offset impact force, so that the machine table can work at a high speed of 800 rpm.
Disclosure of Invention
The invention aims to provide a shockproof high-speed precise pull-down type punch press, which aims to solve the problems of high-speed running shaking displacement, oil pollution to products and general high machine height in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a shockproof high-speed precise pull-down punch comprises a punch body, a motor, a flywheel, a crankshaft, a workbench, a slider mechanism and a dynamic balance mechanism, wherein the punch body comprises a lower layer base, an upper layer base and a middle frame, the symmetrical parts on two sides of the frame are respectively provided with a bearing seat, one end of the crankshaft is connected with the bearing seat on one side of the frame, the other end of the crankshaft is connected with the bearing seat on the other side of the frame and extends outwards to form a section, the section of the crankshaft extending outwards is fixedly connected with the flywheel which is connected with the motor through a synchronous belt, the motor is arranged on the punch body base, the crankshaft is provided with a main connecting rod eccentric shaft and an auxiliary connecting rod eccentric shaft, the main connecting rod eccentric shaft and the auxiliary connecting rod eccentric shaft are eccentric rings sleeved on the crankshaft, the main connecting rod eccentric shaft is sleeved in a hollow cylinder at one end of the main, the adjusting screw rod is connected with the sliding block mechanism vertically towards the base, the other end of the auxiliary connecting rod is connected with the dynamic balancing mechanism vertically upwards, and the dynamic balancing mechanism is positioned on the lower side of the upper seat of the machine body;
the sliding block mechanism comprises a lower sliding block, a steel pipe main shaft, a pull rod and an upper sliding block, wherein the lower sliding block is arranged at the lower side of the sliding block mechanism, the steel pipe main shaft is arranged in the middle of the lower sliding block, the pull rod which is vertically upward is arranged on the side edge of the lower sliding block, the pull rod penetrates through the upper seat of the machine body and is connected with the side edge of the upper sliding block, and the lower sliding block and the upper sliding block form an upper horizontal plane and a lower horizontal;
the dynamic balance mechanism comprises a dynamic balance block and dynamic balance weight blocks, and the dynamic balance weight blocks are uniformly arranged on two sides of the dynamic balance block;
the machine body base is fixedly provided with a sliding block guide post, the lower sliding block is provided with a lower sliding block guide post limiting hole, the lower sliding block guide post penetrates through the lower sliding block guide post limiting hole, a gap is reserved between the lower sliding block and the machine body base, the upper seat of the machine body is provided with a workbench, and a gap is reserved between the workbench and the upper sliding block.
Preferably, the lower side of the machine body base is of a concave structure, an inner groove is formed between the machine body base and the ground, and the inner groove is used for placing the shockproof air cushion.
Preferably, the workbench is arranged inside the upper seat of the machine body, and the upper surfaces of the workbench and the upper seat are in the same horizontal plane.
Preferably, the machine body frame is provided with a case on each side, and a protective shell is arranged on each side of the machine frame.
Preferably, a safety cover is arranged on the upper seat of the machine body, and the safety cover upwards surrounds the upper sliding block to form a closed space.
Preferably, the flywheel is composed of a plurality of groups of flywheel pieces with different specifications.
Compared with the prior art, the invention has the beneficial effects that:
1. the lower sliding block is connected with the driving mechanism, the upper sliding block is connected with the lower sliding block through the pull rod, the lower sliding block pulls the upper sliding block to move downwards synchronously to realize linear motion, the upper sliding block is used for processing products, and the pollution of oil dirt on the processed products in the working of bearings such as a crankshaft, a connecting rod and the like at the lower part is avoided;
2. when the motor drives the flywheel, the crankshaft and the main connecting rod connecting slide block to form a linear downward punching motion punching product, the machine table vibrates due to the reaction force, and an eccentric shaft in the direction opposite to that of the main connecting rod is arranged on the crankshaft to be connected with a dynamic balance device to form a reverse action force to offset the punching action force;
3. through designing the concave shockproof base and the embedded workbench, the height of the equipment can be further reduced, and the operator can conveniently work on the workbench in a habit posture.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a slider structure according to the present invention;
FIG. 3 is a schematic view of the dynamic balance structure of the present invention
FIG. 4 is a schematic view of the shock mount of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a shockproof high-speed precise pull-down punch comprises a punch body 1, a motor 2, a flywheel 3, a crankshaft 6, a workbench 9, a slider mechanism 4 and a dynamic balance mechanism 5, wherein the punch body comprises a lower-layer base 11, an upper-layer upper seat 12 and a middle frame 13, bearing seats are respectively arranged at symmetrical parts on two sides of the frame 13, one end of the crankshaft 6 is connected with the bearing seat on one side of the frame 13, the other end of the crankshaft 6 is connected with the bearing seat on the other side of the frame 13 and extends out to form a section, the section, extending out, of the crankshaft 6 is fixedly connected with the flywheel 3, the flywheel 3 is connected with the motor 2 through a synchronous belt, the motor 2 is arranged on the punch body base 11, the crankshaft 6 is provided with a main connecting rod eccentric shaft 61 and an auxiliary connecting rod eccentric shaft 62, the main connecting rod eccentric shaft 61 and the auxiliary connecting rod eccentric shaft, the main connecting rod eccentric shaft 61 is sleeved in a hollow cylinder at one end of a main connecting rod 63, the auxiliary connecting rod eccentric shaft 62 is sleeved in a hollow cylinder at one end of an auxiliary connecting rod 65, the other end of the main connecting rod 63 is connected with an adjusting screw rod 64, the adjusting screw rod 64 is vertically connected with the slider mechanism 4 towards the base direction, the other end of the auxiliary connecting rod 65 is vertically connected with the dynamic balance mechanism 5 upwards, and the dynamic balance mechanism 5 is positioned at the lower side of the upper seat of the machine body;
the sliding block mechanism 4 comprises a lower sliding block 41, a steel pipe main shaft 44, a pull rod 42 and an upper sliding block 43, the lower side of the sliding block mechanism 4 is provided with the lower sliding block 41, the middle part of the lower sliding block 41 is provided with the steel pipe main shaft 44, the side edge of the lower sliding block 41 is provided with the pull rod 42 which is vertically upward, the pull rod 42 penetrates through the upper seat 12 of the machine body and is connected with the side edge of the upper sliding block 43, and the lower sliding block 41 and the upper sliding block 43 form an upper horizontal plane and a lower horizontal plane through the support of the;
the dynamic balance mechanism 5 comprises a dynamic balance block 51 and dynamic balance balancing weights 52, wherein the dynamic balance balancing weights 52 are uniformly arranged on two sides of the dynamic balance block 51;
the fixed lower slider guide post 46 that is equipped with of fuselage base 11, slider 41 is equipped with the spacing hole that the lower slider guide post passes through down, and above-mentioned lower slider guide post 46 passes through slider 41 down through the spacing hole of slider guide post, the space has between slider 41 and the fuselage base 11 down, be equipped with workstation 9 on the fuselage seat of honour 12, the space has between workstation 9 and the last slider 41.
Further, the lower side of the machine body base 11 is of a concave structure, an inner groove is formed between the machine body base and the ground, and the inner groove is used for placing a shockproof air cushion.
Further, the worktable 9 is arranged in the inner cavity of the upper seat 12 of the machine body, and the upper surfaces of the worktable and the upper seat are positioned on the same horizontal plane.
Furthermore, machine boxes 14 are respectively arranged on two sides of the machine body frame 13, and protective shells are arranged on the side surfaces of the machine frame.
Further, a safety cover is arranged on the upper body seat 12, and the safety cover 7 upwards surrounds the upper sliding block to form a closed space.
Further, the flywheel 3 is composed of a plurality of groups of flywheel pieces with different specifications, and after the flywheel pieces with different specifications are connected with the motor with fixed revolution through the synchronizing wheel, the function of adjusting the punching speed can be realized by different revolutions of the crankshaft fixed at the center of the flywheel.
The working principle is as follows: firstly, placing a product belt to be punched on a workbench, preparing to start punching work, driving a flywheel and a crankshaft to rotate by a motor, driving a slider mechanism and a dynamic balance mechanism to move up and down by the crankshaft through an arranged eccentric shaft, wherein the rotating force of the crankshaft is acted on a lower slider through the adjustment of a main connecting rod eccentric shaft, a main connecting rod and an adjusting screw rod, so that the lower slider linearly moves up and down, the lower slider drives an upper slider on the upper layer to linearly move up and down to punch a punched product on the workbench through a pull rod, and the machine forms an upward moving force by the impact force on the machine when the product is punched downwards, and at the moment, the auxiliary connecting rod eccentric shaft on the crankshaft drives the dynamic balance mechanism to move downwards through an auxiliary connecting rod to generate a downward impact force to offset the upward moving force of the machine; to making the fuselage whole too high because the structure is complicated at present general punch press, be unfavorable for most of operators' operation custom, this technique is through locating the mode of fuselage upper seat inner chamber with the workstation to and the design of fuselage base is indent formula structure, adds in the indent and puts the antivibration air cushion and can not too high board height.
Claims (6)
1. A high-speed shockproof pull-down punch press comprises a punch press body, a motor, a flywheel, a crankshaft, a workbench, a slider mechanism and a dynamic balance mechanism, wherein the punch press body comprises a lower layer base, an upper layer base and a middle frame, the symmetrical parts on two sides of the frame are respectively provided with a bearing seat, one end of the crankshaft is connected with the bearing seat on one side of the frame, the other end of the crankshaft is connected with the bearing seat on the other side of the frame and extends outwards to form a section, the section of the crankshaft extends outwards to be fixedly connected with the flywheel, the flywheel is connected with the motor through a synchronous belt, the motor is arranged on the punch press body base, the crankshaft is provided with a main connecting rod eccentric shaft and an auxiliary connecting rod eccentric shaft, the main connecting rod eccentric shaft and the auxiliary connecting rod eccentric shaft are eccentric rings sleeved on the crankshaft, the main connecting rod eccentric shaft is sleeved in, the other end of the main connecting rod is connected with an adjusting screw rod, the adjusting screw rod is connected with the sliding block mechanism vertically towards the base direction, the other end of the auxiliary connecting rod is connected with a dynamic balancing mechanism vertically upwards, and the dynamic balancing mechanism is positioned on the lower side of the upper seat of the machine body;
the sliding block mechanism comprises a lower sliding block, a steel pipe main shaft, a pull rod and an upper sliding block, wherein the lower sliding block is arranged at the lower side of the sliding block mechanism, the steel pipe main shaft is arranged in the middle of the lower sliding block, the pull rod which is vertically upward is arranged at the side edge of the lower sliding block, the pull rod penetrates through the upper seat of the machine body and is connected with the side edge of the upper sliding block, and the lower sliding block and the upper sliding block form an upper horizontal plane and a lower horizontal plane which;
the dynamic balance mechanism comprises a dynamic balance block and dynamic balance weight blocks, and the dynamic balance weight blocks are uniformly arranged on two sides of the dynamic balance block;
the fixed slider guide post that is equipped with of above-mentioned fuselage base, the slider is equipped with the spacing hole of lower slider guide post down, and above-mentioned slider guide post passes through the slider down through the spacing hole of lower slider guide post down, the space has between slider and the fuselage base down, be equipped with the workstation on the fuselage seat of honour, the space has between workstation and the last slider.
2. The high speed shockproof drop down punch press of claim 1, wherein: the lower side of the machine body base is of an inwards concave structure and forms an inner groove with the ground, and the inner groove is used for placing a shockproof air cushion.
3. The high speed shockproof drop down punch press of claim 1, wherein: the workbench is arranged inside the upper seat of the machine body, and the upper surfaces of the workbench and the upper seat are in the same horizontal plane.
4. The high speed shockproof drop down punch press of claim 1, wherein: the machine body is characterized in that the machine cases are arranged on two sides of the machine body frame respectively, and protective shells are arranged on the side faces of the machine frame respectively.
5. A high speed shockproof pull down punch press as claimed in claims 1 and 4, wherein: the safety cover is arranged on the upper seat of the machine body and upwards surrounds the upper sliding block to form a closed space.
6. The high speed shockproof drop down punch press of claim 1, wherein: the flywheel is composed of a plurality of groups of flywheel pieces with different specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312287.0A CN113000658A (en) | 2019-12-18 | 2019-12-18 | Shockproof high-speed precise pull-down type punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312287.0A CN113000658A (en) | 2019-12-18 | 2019-12-18 | Shockproof high-speed precise pull-down type punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113000658A true CN113000658A (en) | 2021-06-22 |
Family
ID=76382398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911312287.0A Pending CN113000658A (en) | 2019-12-18 | 2019-12-18 | Shockproof high-speed precise pull-down type punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113000658A (en) |
-
2019
- 2019-12-18 CN CN201911312287.0A patent/CN113000658A/en active Pending
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