CN211707828U

CN211707828U - Shockproof high-speed precise pull-down punch

Info

Publication number: CN211707828U
Application number: CN201922285095.7U
Authority: CN
Inventors: 周志龙; 熊小英
Original assignee: Dongguan Ruili Pml Precision Mechanism Ltd
Current assignee: Dongguan Ruili Pml Precision Mechanism Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-20
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a shockproof high-speed precise pull-down punch press, which comprises a body, a motor, a flywheel, a crankshaft, a slider mechanism, a dynamic balance mechanism and a workbench, wherein the 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 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 utility model is characterized in that 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

Shockproof high-speed precise pull-down punch

Technical Field

The utility model relates to a high-speed precision punch press technical field specifically is a high-speed precision drop-down formula punch press of formula takes precautions against earthquakes.

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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed accurate drop-down formula punch press of formula of taking precautions against earthquakes to propose high-speed operation shake displacement problem, greasy dirt pollution product problem, the highly general high problem on the left side of board in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a 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 base, an upper 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 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;

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 beneficial effects of the utility model are 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 upper sliding block is pulled by the lower sliding block to move downwards synchronously to realize linear motion, the upper sliding block is used for processing products, and the pollution of oil stains in the working of bearings such as a crankshaft, a connecting rod and the like at the lower part to the processed products 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, so that the reaction force is formed to offset the punching 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 the slider structure of 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 shockproof base structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 press comprises a press body 1, a motor 2, a flywheel 3, a crankshaft 6, a workbench 9, a slide block mechanism 4 and a dynamic balance mechanism 5, wherein the press body comprises a lower layer base 11, an upper layer upper seat 12 and a middle frame 13, symmetrical parts on two sides of the frame 13 are respectively provided with a bearing seat, 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 of the crankshaft 6 extending out 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 press 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 62 are eccentric rings sleeved on the crankshaft 6, the main connecting rod, 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 64, the adjusting screw 64 is connected with the slider mechanism 4 vertically towards the base direction, the other end of the auxiliary connecting rod 65 is connected with the dynamic balance mechanism 5 vertically 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 which are parallel;

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 in 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 slide block 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 slide block through the adjustment of a main connecting rod eccentric shaft, a main connecting rod and an adjusting screw rod, so that the lower slide block moves up and down linearly, driving an upper slide block on the upper layer to move up and down linearly through a pull rod by the lower slide block, forming an upward moving force on a machine table by the impact force on the machine table when the product is punched downwards, and driving the dynamic balance mechanism to move downwards by an auxiliary connecting rod eccentric shaft on the crankshaft through an auxiliary connecting rod to generate a downward impact force to offset the upward moving force of the machine table; 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

1. The utility model provides a high-speed accurate drop-down punch press of shockproof formula, includes fuselage, motor, flywheel, bent axle, workstation, slider mechanism, dynamic balance mechanism, its characterized in that: the machine body comprises a lower layer base, an upper layer upper base and a middle machine frame, wherein bearing seats are respectively arranged at symmetrical parts on two sides of the machine frame, one end of a crankshaft is connected with the bearing seat on one side of the machine frame, the other end of the crankshaft is connected with the bearing seat on the other side of the machine frame and extends outwards to form a section, the section of the crankshaft extending outwards is fixedly connected with a flywheel, the flywheel is connected with a motor through a synchronous belt, the motor is arranged on the machine 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 a main connecting rod, the auxiliary connecting rod eccentric shaft is sleeved in a hollow cylinder at one end of an auxiliary, the other end of the auxiliary connecting rod is vertically upwards connected with a dynamic balancing mechanism, 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 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 shockproof high-speed precise pull-down type punch press according to 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 shockproof high-speed precise pull-down type punch press according to 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 shockproof high-speed precise pull-down type punch press according to 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. The shockproof high-speed precise pull-down type punch press according to claim 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 shockproof high-speed precise pull-down type punch press according to claim 1, wherein: the flywheel is composed of a plurality of groups of flywheel pieces with different specifications.