CN203228414U

CN203228414U - Small-sized press machine

Info

Publication number: CN203228414U
Application number: CN 201320106933
Authority: CN
Inventors: 阮少锋
Original assignee: 阮建辉
Priority date: 2013-03-09
Filing date: 2013-03-09
Publication date: 2013-10-09
Anticipated expiration: 2023-03-09

Abstract

The utility model discloses a small-sized press machine. The small-sized press machine is applied to stretching operation, punching shearing operation and other punching and pressing operation on a household electrical appliance metal plate production line. According to the small-sized press machine, the force exertion rod of a power unit drives a main swing arm to swing, the main swing arm swings to drive a torsion shaft to rotate and meanwhile to drive auxiliary swing arms on the front side and the rear side to swing along with the main swing arm, the two auxiliary swing arms simultaneously drive synchronizing bars to swing, the synchronizing bars swing to drive every crank to swing synchronously, every crank drives a corresponding pull rod synchronously, and the pull rods drive moving blocks to push a guide column to slide relative to a guide sleeve and further achieve the lifting of a beam. The force and movement exerted by the force exertion rod of the power unit are synchronously transmitted to four corners of an upper beam through the main swing arm, the torsion shaft, the auxiliary swing arms, the synchronizing bars, the cranks, the pull rods, the moving blocks and the guide column sequentially to tract the four corners of the upper beam to move synchronously and exert pressure, so that the synchronism and the unbalance loading resisting performance are good.

Description

A kind of baby press

Technical field

The utility model relates to the processing equipment of pressure forming, particularly stretches on a kind of panel beating production line for household electrical appliance such as refrigerator, washing machines, the baby press of punching operation.

Background technology

Baby press is normally used on the machining production line of sheet metal component of household electrical appliance such as washing machine, air-conditioning, refrigerator, and for the operations such as stretching, punching press and shearing of sheet metal component provide power, but also unit uses.Its mainly by entablature, movable fine strain of millet, down crossbeam (or claim " workbench "), guide pillar, and oil cylinder form; Execute out pressure by the hydraulic oil cylinder driving entablature, realize operation.It mainly contains various ways such as single power and many power.Single power press mostly is arranged on oil cylinder the central authorities of forcing press top or bottom; Many power presses, the then two ends of the forcing press top that mostly oil cylinder is arranged on simultaneously or bottom or four jiaos.For single power press, its net synchronization capability is good, but the unbalance loading poor performance; And many power presses, then the unbalance loading performance is good slightly, and net synchronization capability is relatively poor.The existence of these defectives, serviceability and the life-span of greatly having reduced existing baby press and mould thereof.And, when it is contained in the forcing press top at oil cylinder, be under pressure the easily pollution of oil or lubricating oil of workpiece; And when oil cylinder was installed in the lower central of forcing press, oil cylinder can hinder the chip removal of bits processing again, had been unsuitable for the bits processing stations and had used.

In addition, the thickness of the sheet metal component of household electrical appliances production line processing is not thick, and below 0.6mm, it requires not high to the power that drives usually, and employing can provide the oil cylinder of very big driving power, has the waste of ability, neither energy-conservation also not environmental protection; If can enough pressure less relatively cylinder, the mode by reinforcement drives, and then is splendid scheme.

Summary of the invention

The utility model is intended to provide and a kind ofly has good net synchronization capability and unbalance loading performance concurrently, can be applicable to chipless and have the bits processing stations to use, and can be less by pressure and the cylinder of environmental protection or screw pair carry out reinforcement and drive and the baby press of work.

Baby press described in the utility model, comprise base and entablature that workbench is set, four jiaos of its entablature are provided with guide pillar, base arranges the guide pin bushing that matches in the position corresponding with guide pillar, guide pillar inserts in the guide pin bushing slidably, all fixedly there is movable block the lower end of each guide pillar, all be hinged with pull bar on each movable block, the below of each pull bar is provided with crank, and crank articulates by driven shaft and base, and an end and the pull bar of crank are hinged, the other end and the synchronizing bar of crank are hinged, the crank of same side is hinged on the same synchronizing bar, and is preceding, an end of base is all stretched in the end of the synchronizing bar of back both sides By the power spare that is installed in base end by being articulated in the major and minor fork driven in synchronism on the base, described master pendulum arm and secondary swing arm are with to turn round axle fixing, articulate with base by turning round axle, the force application rod of master pendulum arm and power spare is hinged, and secondary swing arm is then hinged with the synchronizing bar of both sides.

This Utility model Described baby press, the force application rod of its power spare drive the master pendulum arm swing; Master pendulum arm swing make turn round axle rotate, SecondarySwing is followed in swing arm, thus pulling Both sidesThe synchronizing bar swing; Synchronizing bar swing by both sides can spur each crank-swinging synchronously, then by the synchronous pull bar that drives separately of each crank, by pull bar pulling movable block, promotes the relative guide pin bushing of guide pillar by movable block again Vertically slidingMoving, realize the lifting of crossbeam.The motion of its actuator force application rod, successively by master pendulum arm, turn round the axle, SecondarySwing arm, synchronizing bar, crank, pull bar, movable block and guide pillar are delivered to four angles of entablature synchronously The position, four jiaos of bit synchronization motions of traction entablature, thus reach good net synchronization capability.Simultaneously, the power that actuator applies, also successively by master pendulum arm, turn round the axle, SecondarySwing arm, synchronizing bar, crank, pull bar, movable block and guide pillar are delivered to four angles of entablature synchronously The position, thereby the unbalance loading performance is also fine.Simultaneously, exist in the transmittance process of its power main, SecondaryTwice conversion of two end arms of swing arm and crank, main by adjusting, SecondaryThe length ratios of two end arms of the relative driven shaft in two ends of pendulum arm length ratio and crank can be realized the increase and decrease of entablature driving force and stroke; Thereby by suitable length ratio is set, it can not use hydraulic cylinder, and other the less relatively actuator of driving force that can select as required to export substitutes, as cylinder, screw pair etc.In addition, it places power spare at one end of the workbench of base, and workpiece adds man-hour, can not be subjected to the pollution of pressure oil and the lubricating oil of power spare.And its power spare is positioned at an end of the workbench of base, and it does not take the space of workbench below, The position that base is positioned at workbench and below thereof can arrange the chip removal that chip area guarantees to have bits processing, can be suitable for having the use of bits processing stations.The position that base is positioned at the workbench below also can arrange the mould fitting recess, with the convenient dismounting of carrying out mould.

Description of drawings

Fig. 1 is a kind of structural representation of baby press described in the utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the structural representation of another kind of baby press described in the utility model.

The specific embodiment

The utility model is described in further detail below in conjunction with the embodiment schematic diagram.

As Fig. 1, Fig. 2, a kind of baby press, four jiaos of entablature 4 are provided with guide pillar 5, base 1 arranges the guide pin bushing 2 that matches in the position corresponding with guide pillar, slidably, all fixedly there is movable block the lower end of each guide pillar in the guide pillar insertion guide pin bushing, two walking beams 3 in the forward and backward both sides of formation but the movable block homonymy is connected as a single entity, also can be connected as a single entity jointly by four movable blocks, form the walking beam of an integral body; All be hinged with pull bar 10 on each movable block, the below of each pull bar is provided with crank 12, with crank 12 FixDriven shaft 11 inserts on the base rotatable in the corresponding axle sleeve, form pin-jointed structure, one of crank end arm and pull bar are hinged, another end arm and the synchronizing bar 13 of crank are hinged, the crank of same side is hinged on the same synchronizing bar, the synchronizing bar that is two cranks of front side and front side is hinged, two cranks of rear side and the synchronizing bar of rear side are hinged, the end that base is installed power spare 6 is all stretched in the end of two synchronizing bars, power spare 6 is cylinder or oil cylinder, and its top is hinged on the frame of base one end; The shown position of the bottom of base 1 is equipped with turns round axle 8, turns round to rotate to form in the corresponding axle sleeve that is inserted in base 1 to articulate; Master pendulum arm 7 and secondary swing arm 9 are fixed with turning round axle 8 respectively, form fixing angle, the both sides, front and back therebetween Secondary swing armShare with master pendulum arm and to turn round axle, connect by the same axle 8 of turning round, the force application rod of power spare (as the piston rod of cylinder or hydraulic cylinder) with Master pendulum armHinged.

When cylinder or Driven by Hydraulic Cylinder piston rod were flexible, piston rod passed through Master pendulum arm, turn round axle drive simultaneously before and after side SecondarySwing arm is swung synchronously, and the synchronizing bar that drives both sides by secondary swing arm is again swung synchronously, and synchronizing bar pulling crank is swung synchronously, again by pull bar pulling walking beam lifting and guide pillar lifting, thereby drives the entablature lifting, realizes the driving to the crossbeam motion.

Before and after turning round of articulating of width of cloth swing arm and the base of both sides spool also can arrange respectively, be provided with master pendulum arm and secondary swing arm in the forward and backward both sides of baby press, the major and minor swing arm of both sides articulates with base by the axle of turning round separately, two master pendulum arms connect by connecting shaft, and the force application rod of power spare is simultaneously hinged with the master pendulum arm of front and back side by connecting shaft.Swing by the master pendulum arm that connecting shaft drives both sides simultaneously by force application rod, by master pendulum arm drive secondary swing arm separately, by secondary swing arm pulling synchronizing bar, it can realize the driven in synchronism to the both sides synchronizing bar equally again.

As shown in Figure 3, the power spare of baby press 6 also can be for by motor-driven screw pair.The motor cabinet top is hinged on the frame of base one end, and motor shaft directly or by change gear box 61 matches with the nut 62 of screw pair, and screw rod 64 is threaded onto in the nut, and its bottom and connecting shaft 14 are hinged.It rotates by the motor motor shaft, motor shaft driving gearbox axle and then drive nut and rotate, and nut rotates relative to screw rod, thereby realizes the stretching of lower end of screw rod, Flexible drive master pendulum arm by the screw rod lower end is swung, is turned round axle and rotates, thereby secondary fork and the synchronizing bar of both sides are swung synchronously before and after driving.

The bottom 51 of each guide pillar can be stretched out from the bottom of movable block or walking beam 3, and base 1 arranges and the location guide pin bushing 15 that causes the bottom to match in the position corresponding with the bottom of each guide pillar of four jiaos, and the bottom of guide pillar is inserted just in the guide pin bushing of location and can be slided up and down. It additionally increases the support of four pin positions to guide pillar, thereby can better guarantee the depth of parallelism that guide pillar slides.

Claims

1. baby press, comprise base and entablature that workbench is set, four jiaos of its entablature are provided with guide pillar, base arranges the guide pin bushing that matches in the position corresponding with guide pillar, guide pillar inserts in the guide pin bushing slidably, it is characterized in that: all fixedly there is movable block the lower end of each guide pillar, all is hinged with pull bar on each movable block, and the below of each pull bar is equal ArrangeCrank, crank articulates by driven shaft and base, and an end and the pull bar of crank are hinged, and the other end and the synchronizing bar of crank are hinged, and the crank of same side is hinged on the same synchronizing bar, and an end of base is all stretched in the end of the synchronizing bar of forward and backward both sides, By the power spare that is installed in base end by being articulated in the major and minor fork driven in synchronism on the base, described master pendulum arm and secondary swing arm are with to turn round axle fixing, articulate with base by turning round axle, the force application rod of master pendulum arm and power spare is hinged, and secondary swing arm is then hinged with the synchronizing bar of both sides.

2. Baby press according to claim 1 is characterized in that: described secondary swing arm has two of forward and backward sides, and is hinged with the synchronizing bar of forward and backward both sides respectively, and the secondary swing arm in front side and the secondary swing arm of rear side share turns round axle, articulates with base by the same axle of turning round.

3. Baby press according to claim 1, it is characterized in that: forward and backward both sides are provided with master pendulum arm and secondary swing arm, the major and minor swing arm of both sides articulates with base by the axle of turning round separately, two master pendulum arms connect by connecting shaft, and the force application rod of power spare is simultaneously hinged with the master pendulum arm of front and back side by connecting shaft.

4. baby press according to claim 1 is characterized in that: the brachium of master pendulum arm and secondary swing arm is than greater than 1, crank and the hinged end arm of synchronizing bar and with the brachium of the hinged end arm of pull bar than greater than 1.

5. baby press according to claim 1, it is characterized in that: stretch out from the bottom of movable block the bottom of each guide pillar, base arranges the location guide pin bushing that matches with the bottom in the position corresponding with the bottom of each guide pillar of four jiaos, and the bottom of guide pillar is inserted in the guide pin bushing of location and can be slided up and down.

6. baby press according to claim 1, it is characterized in that: base is positioned at workbench Face reachesThe position of below is provided with bit-withdrawing slot.

7. baby press according to claim 1 is characterized in that: the position that base is positioned at the workbench below is provided with the mould fitting recess.

8. according to any one described baby press among the claim 1-7, it is characterized in that: the homonymy of movable block is connected as a single entity, and forms walking beam.

9. according to any one described baby press among the claim 1-7, it is characterized in that: four movable blocks formation walking beam that is connected as a single entity jointly.

10. according to any one described baby press among the claim 1-7, it is characterized in that: described power spare is hydraulic cylinder, cylinder or screw pair.