CN2772808Y - Hydraulic press of powdery product - Google Patents
Hydraulic press of powdery product Download PDFInfo
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- CN2772808Y CN2772808Y CN 200520080708 CN200520080708U CN2772808Y CN 2772808 Y CN2772808 Y CN 2772808Y CN 200520080708 CN200520080708 CN 200520080708 CN 200520080708 U CN200520080708 U CN 200520080708U CN 2772808 Y CN2772808 Y CN 2772808Y
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Abstract
A hydraulic press machine of powdery product comprises a frame style stand, an up set main cylinder, a down set dropping cylinder, a cylinder stroke adjustment mechanism, an upper assistance cylinder, a lower assistance cylinder, a feeding mechanism, cylinders at two sides, a power plant and an electrical control device. The upper beam of the frame style stand is equipped with a main cylinder, and the lower beam is equipped with the dropping cylinder. An upper platen is installed on the lower end of the piston rod of the main cylinder, and the centre of the lower plane of the upper platen is equipped with the upper assistance cylinder. A fixing plate is connected to the middle part of the frame style stand; a lower platen is connected to the top of the piston rod of the dropping cylinder; the center of the lower platen is equipped with the lower assistance cylinder; the four corners of the lower platen are also equipped with guide posts; the guide posts go through the fixing plate to connect to the negative template; the cylinders at two sides are respectively installed on the left and right sides of the fixing plate; the feeding mechanism is horizontally installed on the upper plane of the negative template. According to the powder characteristics and different requirements toproducts, the hydraulic press machine of powdery product can realize to press demould in the single direction and press demould in the floating double directions and pull demould downwards, the machining accuracy and the rate of finished products of the powdery product are increased, the processing cost is reduced, and the producing and processing requirements of parts of powdery product with high precision and complex structure are satisfied.
Description
Technical field:
The utility model relates to a kind of hydraulic press for powder products, is applied to the compression moulding of various metal dusts, Magnaglo, ceramic powders, hard metal article etc.
Background technology:
Hydraulic press for powder products just had application in China before the more than ten years, but because its technical matters application is immature, the machining accuracy of pulverulent product is not high, and yield rate is lower, and production efficiency, processing variety and production cost all can not satisfy batch production requirement and cause its slower development.The employed powder forming press of present most of pulverulent product manufacturing and processing enterprises is still by four-column universal hydraulic press reworked and Purely mechanical punch press, the machining accuracy of pulverulent product is paced up and down in the scope of low precision always, the never raising of essence and stabilized quality control is seriously restricting the development of high accuracy pulverulent product.
Summary of the invention:
The purpose of this utility model provides a kind of hydraulic press for powder products, improves the machining accuracy and the yield rate of pulverulent product, cuts down finished cost, and satisfies the production and processing requirement of high accuracy, labyrinth pulverulent product part.
The purpose of this utility model realizes as follows: this hydraulic press for powder products comprise the frame-type frame, on put scuffing of cylinder bore under master cylinder, the underlying, oil cylinder stroke governor motion, upward auxilliary cylinder, auxilliary cylinder, feed mechanism, both sides cylinder, power station and electrical control gear down; Master cylinder is equipped with at the entablature center of frame, scuffing of cylinder bore is equipped with down at the sill center, V-type rail is equipped with in the framework pillar inboard, arrange top board and the negative template that is directed to up and down along guide rail, top board is installed in the lower end of main oil cylinder piston bar, be equipped with for the auxilliary cylinder of going up of installation mold upper punch at its lower plane center, be connected and fixed plate at central rack, connect lower platen on drop-down cylinder piston rod top, auxilliary cylinder is equipped with down at the lower platen center, lower platen also is equipped with lead for four jiaos, lead passes fixed head and links to each other top board with negative template, negative template, fixed head, lower platen and lead constitute a complete mould bases, and the both sides cylinder is installed in the fixed head left and right sides respectively, the feed mechanism level is installed on the last plane of negative template, and master cylinder partly is connected with the stroke adjustment of master cylinder with following scuffing of cylinder bore respectively with following scuffing of cylinder bore stroke control mechanism.
The master cylinder structure is by round nut, the guide-localization bar, lifting tube, Master cylinder body, gear wheel, piston, big locknut, piston rod, end cap and terminal pad are formed, piston is contained in the Master cylinder body, piston rod one end and piston are fixed, the fixedly connected dish of the piston rod other end also stretches out outside the Master cylinder body, end cap seal be enclosed within on the piston rod and with the Master cylinder body sealing and fixing, be provided with oil-in at the Master cylinder body front end near end caps, cylindrical is rotary with big locknut by screw thread at the Master cylinder body middle part, cooperate with Master cylinder body by big nut master cylinder is fixed on the frame, the other end at Master cylinder body connects lifting tube by motion thread, fixing gear wheel on the lifting tube, be provided with the guide-localization bar of oil through, its the inner is passed lifting tube and is linked to each other with piston rod by screw thread, and two round nuts are equipped with in its outer end.When piston rod under the hydraulic fluid pressure effect in the protruding process, round nut is progressively close to the lifting tube end face on the guide-localization bar, after round nut and lifting tube end face are adjacent to, the continuation that the guide-localization bar is limited is forward moved, thereby limited the overhang of piston rod, also just imposed restrictions on the stroke of piston rod.Rotate lifting tube by the oil cylinder stroke governor motion, make it when rotating, do axial displacement, change its position on master cylinder, just can adjust the overhang of piston rod.
Following scuffing of cylinder bore is by round nut, the guide-localization bar, lifting tube, gear wheel, big locknut, piston, piston rod, cylinder body, end cap, swivel nut, terminal pad is formed, piston is contained in the cylinder body, piston rod one end and piston are fixed, the fixedly connected dish of its other end also stretches out outside the cylinder body, end cap seal be enclosed within on the piston rod and with the cylinder body sealing and fixing, be provided with oil-in at the cylinder body front end near end caps, cylindrical is rotary with big locknut by screw thread at the cylinder body middle part, cooperate with cylinder body by big nut and will descend scuffing of cylinder bore to be fixed on the frame, swivel nut is equipped with at two ends at cylinder body, on the swivel nut excircle, connect lifting tube by motion thread, fixing gear wheel on the lifting tube, the lifting tube that an end is passed in the guide-localization bar the inner that is provided with oil through links to each other with piston rod by screw thread with swivel nut, two round nuts are equipped with in guide-localization bar outer end, and the lifting tube and the swivel nut of the other end are inserted on piston rod.Rotate the front and back lifting tube by the oil cylinder stroke governor motion, make them when rotating, do axial displacement, change the position on master cylinder, just can adjust the extreme position that piston rod stretches out and returns.
The oil cylinder stroke governor motion is made up of adjusting handle, bevel gear transmission, gear shaft, support, be used for oil cylinder on gear wheel meshed gears axle be axially fixed in support, one end of gear shaft is a bevel gear of bevel gear transmission fixedly, and another bevel gear of bevel gear transmission connects adjusting handle by wheel shaft.Rotating adjusting handle can the rotation of driven gear axle, by with oil cylinder on gear wheel engagement transmitting rotary power, and oil cylinder stroke is regulated the location.
The effect of concrete each parts:
Frame: be the holding components of complete machine, entablature center dress master cylinder, scuffing of cylinder bore is loaded at the sill center.V-type rail is equipped with in the framework pillar inboard, is used for the guiding that top board and negative template move up and down.
Top board: be installed in the lower end of main oil cylinder piston bar, auxilliary cylinder is equipped with at the center, uses for the upper punch of installation mold.Therefore the mould upper punch will descend or rise along with the flexible of main oil cylinder piston bar.
Lower platen: be installed in the top of drop-down cylinder piston rod, auxilliary cylinder is equipped with down at the center, uses for installation mold.This plate also links to each other with negative template by four leads, and therefore, negative template will rise or descend with the flexible of drop-down cylinder piston rod.
Fixed head: fixedly connected with frame, this plate is used for installation mold low punch etc., and connects the both sides cylinder, uses for the pulverulent product of processing structure complexity.
Negative template: be connected with following pressboard by four leads, this plate is used to install mold parts such as die sleeve.Its rear side is equipped with the shake pay-off, is used for from powder feeding of trend die cavity and the last working cycles of the release pulverulent product spare of compression moulding.
Master cylinder: i.e. main hydraulic cylinder is the output block of hydraulic press press power, the size of hydraulic press press power, and the pressure of being set up by hydraulic system is determined.
Following scuffing of cylinder bore: promptly drop-down oil cylinder is the output block of hydraulic press demoulding lower pulling force, and its major function has: one provides the ascending motion that die cavity reaches " charging position "; The 2nd, cooperate the drop-down motion when realizing floating compacting with master cylinder; The drop-down motion of three negative templates when providing the demoulding.
Upper and lower auxilliary cylinder: upward auxilliary cylinder and following auxilliary cylinder structure are basic identical, its effect is to cooperate master cylinder, following scuffing of cylinder bore better to realize reliably finishing of pre-stamped, the unsteady compacting and the demoulding, and raising is pressed the quality and the yield rate of product and the pressing requirements that satisfies complicated pulverulent product.
The oil cylinder stroke governor motion: the precision adjustment of master cylinder and following scuffing of cylinder bore stroke, all utilize manual or electronic finishing by this mechanism.Can make the oil cylinder positioner that oil cylinder stroke is realized the rigidity location after the adjustment, to improve the Stroke Control precision.
The hydraulic press course of action:
Initial position: machine startup, pay-off falls back on retracted position, and the main oil cylinder piston bar is in retracted position, drop-down cylinder piston rod is in retracted position, the both sides cylinder returns to outermost locations, and upper and lower auxilliary cylinder piston rod is in retracted position, and all moving components all remain static.
Full-automatic periodic duty: pay-off advances, return after releasing the stampings part of a last circulation compression moulding, for next ready → following scuffing of cylinder bore that circulates is up to the position, down auxilliary cylinder is up puts in place → following scuffing of cylinder bore be up to when transferring upper limit position the both sides cylinder advance, the both sides cylinder do not return → and pay-off shake powder feeding → pay-off returns original position → upward auxilliary cylinder is descending and put in place, the master cylinder F.F. is changed a job, and upward auxilliary cylinder decompression is pushed back when into suppressing, master cylinder was return after the master cylinder pressure release → time-delay was finished after master cylinder time-delay pressurize → pressurize was finished when master cylinder pressure was raised to set pressure, descend simultaneously scuffing of cylinder bore little on → the both sides cylinder returns → following auxilliary cylinder returns, the descending demoulding → scuffing of cylinder bore goes downwards to setting to following scuffing of cylinder bore instantly, time-delay → time-delay end back pay-off began action after pressure rose to set pressure, carried out next working cycles.During the simple part of processing structure, upward auxilliary cylinder and down auxilliary cylinder can be failure to actuate.
Because the utility model hydraulic press for powder products has adopted master cylinder and following scuffing of cylinder bore adjustable travel rigidity detent mechanism, has assisted cylinder mechanism and shake pay-off etc. up and down, and the serviceability of hydraulic press for powder products and function of use are greatly improved.Below described with regard to useful effect from several aspects:
Hydraulic press for powder products has adopted master cylinder, following scuffing of cylinder bore adjustable travel rigidity detent mechanism fundamentally to solve oil cylinder stroke can't realize the problem that high accuracy is controlled.Because the unstability that constantly changes during the work of the oil liquid temperature in the hydraulic system, reasons such as the sender hysteresis of electric control system make the stroke of oil cylinder be difficult to carry out high-precision control.And this rigidity detent mechanism can be realized meticulous adjustment, can set up extremely spacing " buting iron " of fully mechanical again at the spacing point of stroke, said those uncertainties above eliminating.The position location is accurate, has realized the high accuracy of pulverulent product mold cavity height dimension, reliable assurance is provided for the processing of high accuracy pulverulent product.
After pulverulent product mold cavity height dimension obtained the reliable assurance of high accuracy, the uniformity of filling amount just becomes in the pulverulent product mold cavity influenced the pulverulent product factors of accuracy.The shake pay-off that this machine adopts utilizes the quick reciprocating shake of pay-off that the powder in the die cavity is implemented vibration and reaches the uniform purpose of dress powder, thereby improved the precision and the density of pulverulent product when the pulverulent product die cavity is injected powder.
Master cylinder, pre-stamped to realizing, the unsteady compacting of the auxilliary upper and lower auxilliary cylinder of establishing of scuffing of cylinder bore down, demoulding protection, the complicated pulverulent product process issues of solution have found reliable method.General discord master cylinder synchronization action when going up auxilliary cylinder working, but earlier descending before the descending compacting of master cylinder carries out pre-stampedly to powder, promptly carry out the total travel compacting after the worker advances when master cylinder enters.Such precompressed is very favorable to neutral line position, discharged air, the raising pressed density that changes pulverulent product, when the master cylinder backhaul, go up auxilliary cylinder epicoele and enter compressed air, its piston rod is stretched pushed down pulverulent product spare, to guarantee that pulverulent product is not damaged when the demoulding.It has great significance to crudy and the yield rate that improves pulverulent product.Down auxilliary cylinder is not a circular hole and must do the rotation of certain angle during in the drop-down demoulding time at the centre bore of processing pulverulent product spare, and the effect of its uniqueness is arranged.As: the product of being pressed are an external tooth helical teeth, its centre bore is the part of square hole, its square hole does not allow its rotation because it must rotate when the demoulding, therefore use the hydraulic press processing of having only following scuffing of cylinder bore to be difficult to realize, if using down, auxilliary cylinder assembly can solve easily, promptly on the program at first with under auxilliary cylinder extract the square hole plug out, the drop-down again demoulding and easily finishing.This device demonstrates its graceful function significantly from above application.And can make the design of compacting tool set of pulverulent product simpler, processing charges is lower, and demoulding action is simple and reliable, has improved the yield rate of rolled-up stock, has satisfied the processing request of various complicated pulverulent products.
This machine is multiple functional, adjusts easy to operately, and electricity, liquid, gas control system are chain tight, can realize unidirectional compacting, the drop-down demoulding according to the different requirements of powder characteristics and goods; Also can realize the two-way compacting of floating, the drop-down demoulding.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings:
Fig. 1 is the front view of the utility model hydraulic press for powder products.
Fig. 2 is the left view of the utility model hydraulic press for powder products.
Fig. 3 is the master cylinder structure chart.
Fig. 4 is drop-down cylinder structure figure.
Fig. 5 goes up auxilliary cylinder structure figure.
Fig. 6 is following auxilliary cylinder structure figure.
Fig. 7 is the structural representation of master cylinder stroke control mechanism.
The specific embodiment:
With reference to Fig. 1, Fig. 2, this machine comprise frame-type frame 1, on put scuffing of cylinder bore 20 under master cylinder 8, the underlying, master cylinder and following scuffing of cylinder bore stroke control mechanism 9 and 7 and 17, master cylinder 8 and following scuffing of cylinder bore 20 auxilliary establish go up auxilliary cylinders 11 and auxilliary cylinder 16, feed mechanism 22, both sides cylinder 6, power station 5, instrument board 3 and electrical control gears 12 down; Master cylinder 8 is equipped with at the entablature center of frame 1, scuffing of cylinder bore 20 is equipped with down at the sill center, V-type rail 13 is equipped with in the framework pillar inboard, arrange top board 2 and negative template 4 up and down along guide rail 13, top board 2 is installed in the lower end of master cylinder 8 piston rods, its lower plane is equipped with for the auxilliary cylinder 11 of going up of installation mold upper punch 14, its center line can be consistent with master cylinder 8 center lines during installation, also can allow a certain amount of skew according to structural requirement that is pressed product and master cylinder 8 center lines, when master cylinder 8 piston rods move up and down, drive top board 2 simultaneously and last auxilliary cylinder 11 moves up and down.Be connected and fixed plate 18 at frame 1 middle part, connect lower platen 15 on following scuffing of cylinder bore 20 piston rod tops, auxilliary cylinder 16 is housed down above the lower platen 15, its center line can be consistent with following scuffing of cylinder bore 20 center lines during installation, also can allow a certain amount of skew according to structural requirement that is pressed product and following scuffing of cylinder bore 20 center lines, lower platen also is equipped with lead for 15 4 jiaos, lead passes fixed head 18 and links to each other with negative template 4, therefore when scuffing of cylinder bore 20 piston rods move up and down down, drive lower platen 15, following auxilliary cylinder 16 and negative template 4 simultaneously and move up and down.Top board 2, negative template 4, fixed head 18, lower platen 15 and lead constitute a complete mould bases, both sides cylinder 6 is installed in fixed head 18 left and right sides respectively to realize the pulverulent product of composite die production complex geometry, power station 5 independently is placed on the outer terrace of frame, bears to hydraulic press required hydraulic oil liquid and compressed air is provided.Electrical control 12 parts are installed on the frame 1, and the programme-control of each action of hydraulic press is provided.Master cylinder stroke control mechanism 9, by rotating handwheel 10, the motion of transmission mechanism driven gear transmission mechanism realizes the stroke adjustment.Following scuffing of cylinder bore stroke control mechanism 7,17 structures and transmission principle are identical with master cylinder stroke control mechanism 9, rotate its adjusting handle 19 and regulate.On frame 1 top power collecting bucket 21 is set, powder relies on gravity to enter in the powder box of feed mechanism 22 along pulverized coal feed pipe by power collecting bucket 21, feed mechanism 22 levels are installed on the last plane of negative template 4, finish by feeding cylinder 22, have feeder trough on the lower plane that this powder box and negative template 4 fit tightly, when feed mechanism 22 moves to the mold cavity place, powder is injected equably the cavity impression of mould by the reciprocating motion of shake feeding cylinder 22.It is first program behavior of each working cycles, and the control program action one or many according to setting makes feeding cylinder 22 return to the home position after the action back and forth again, finishes twice or repeatedly shakes powder feeding.As: when needs were shaken for three times, delay time finished and sender after three working cycles were finished in each feeding, and feed mechanism is stopped.Feeding cylinder 22 piston rods are made reciprocal fast continuously three stretching motions in the feeding process like this, thereby realize the shake feeding.Feeding shake number of times can be made suitable regulation according to the structure that is pressed product and the dress powder degree of depth.
With reference to Fig. 3, master cylinder is by round nut 23, guide-localization bar 24, lifting tube 25, Master cylinder body 26, gear wheel 27, piston 28, big locknut 29, piston rod 30, end cap 31 and terminal pad 32 are formed, piston 28 is contained in the Master cylinder body 26, piston rod 30 1 ends and piston 28 are fixing, the fixedly connected dish 32 of its other end also stretches out outside the Master cylinder body 26, end cap 31 sealing shrouds on piston rod 30 and with Master cylinder body 26 sealing and fixing, be provided with oil-in at Master cylinder body 26 front ends near end cap 31 places, be rotary with big locknut 29 at Master cylinder body 26 middle parts by screw thread, the other end at Master cylinder body 26 connects lifting tube 25 by motion thread, fixing gear wheel 27 on the lifting tube 25, have guide-localization bar 24 the inners of oil through to pass lifting tube 25 and link to each other with piston rod 30 by screw thread, two round nuts 23 are equipped with in its outer end.Guide-localization bar 24 moves up and down with the motion of piston rod 30, the distance of the motion just stroke of master cylinder depends on setting distance between round nut 23 and the lifting tube 25, and should the adjustable of distance be exactly by rotating gear wheel 27 and lifting tube 25, lifting tube 25 relative master cylinder bodies 26 being moved axially realize displacement.This stroke carries out precision by the specification requirement that is pressed product and adjusts and realize the rigidity location.The lower end of piston rod 30 links to each other with terminal pad 32 with screw thread, and terminal pad 32 is used for fixedlying connected with top board 2.
With reference to Fig. 4, following scuffing of cylinder bore is by round nut 33, guide-localization bar 36, lifting tube 34 and 44, gear wheel 35 and 43, big locknut 37, piston 38, piston rod 39, cylinder body 40, end cap 41, swivel nut 42, terminal pad 45 is formed, piston 38 is contained in the cylinder body 40, piston rod 39 1 ends and piston 38 are fixing, the fixedly connected dish 45 of its other end also stretches out outside the cylinder body 40, end cap 41 sealing shrouds on piston rod 39 and with cylinder body 40 sealing and fixing, be provided with oil-in at cylinder body 40 front ends near end cap 41 places, be rotary with big locknut 37 at cylinder body 40 middle parts by screw thread, be used for to descend scuffing of cylinder bore 20 to be fixed on frame 1, at the two ends of cylinder body 40 swivel nut 42 is housed, on swivel nut 42 excircles, connect lifting tube 34 and 44 by motion thread, fixing gear wheel 35 and 43 on the lifting tube 34 and 44, the lifting tube 42 that has guide-localization bar 36 the inners of oil through to pass an end links to each other with piston rod 39 by screw thread with swivel nut 34, two round nuts 33 are equipped with in guide-localization bar 36 outer ends, and the lifting tube 44 and the swivel nut 42 of the other end are inserted on piston rod 39.Guide-localization bar 36 with piston rod 39 move up and down and motion simultaneously, the distance of piston rod 39 upstrokes is exactly a round nut 33 and the setting distance of swivel nut 34; The terminal pad 45 of piston rod 39 upper ends links to each other with lower platen 15, and piston rod 39 descending distances realize by the distance of regulating between terminal pad 45 and the swivel nut 42.The governor motion symmetry of the stroke up and down of following scuffing of cylinder bore 20, its method of adjustment is identical with the adjustment of master cylinder 8 strokes, and guiding mechanism is also identical.
Drop-down cylinder piston rod 39 is when doing the up-downgoing campaign, its stroke has just been determined by the distance of lifting tube 34,44 end faces after setting up and round nut 33 on the guide-localization bar 36 and the 45 liang of adjacent surfaces of terminal pad on the piston rod 39, moving to lifting tube 34,44 and round nut 33 or terminal pad 45 when fitting tightly, the decline of piston rod 39 or ascending motion promptly stop and realizing the rigidity location.
The precision adjustment of following scuffing of cylinder bore up-downgoing journey and rigidity location guaranteed pulverulent product dress powder die cavity height accurately and stripping stroke accurately, thereby guaranteed that pulverulent product suppresses the steady quality of dimensional accuracy and density.
Fig. 5 shows auxilliary cylinder structure on the utility model hydraulic press for powder products.It is made up of cylinder body 46, piston rod 47.Go up auxilliary cylinder cylinder body 46 usefulness screws and link to each other with mould upper punch connector 48, realize suppressing or returning action by the mould upper punch that promotes or pulling is fixed in the upper punch connector 48 when middle piston rod 47 moves with top board 2.General discord master cylinder 8 synchronization actions when its work, but earlier descending before master cylinder 8 descending compactings carry out pre-stampedly to powder, promptly carry out the total travel compacting after the worker advances when master cylinder 8 enters.Such precompressed is very favorable to neutral line position, discharged air, the raising pressed density that changes pulverulent product; When master cylinder 8 backhauls, upward auxilliary cylinder 11 epicoeles enter compressed air, its piston rod 47 is stretched pushed down pulverulent product spare, to guarantee that pulverulent product is not damaged when the demoulding.
Fig. 6 shows auxilliary cylinder structure under the utility model hydraulic press for powder products.It is made up of cylinder body 49, end cap 50, piston rod 51.Auxilliary cylinder cylinder body 49 usefulness screws link to each other with lower platen 15 down, and the screwed hole at piston rod 51 centers links to each other with the mould plug, and what promote or spur plug when piston rod 51 motions moves up and down the realization group mould and the demoulding.Especially not circular hole and must do the rotation of certain angle during in the drop-down demoulding time, the application of this device just demonstrates its superior characteristics: 1. the compacting tool set of pulverulent product can design simplyr and make processing charges lower at the centre bore of processing pulverulent product spare; 2. demoulding action is simple and reliable, to the rolled-up stock not damaged, improves the yield rate of rolled-up stock; 3. can process more complicated pulverulent product, satisfy the press process of various complicated pulverulent product spares.
Fig. 7 shows the structural representation of master cylinder stroke control mechanism.It is made up of adjusting handle 10, bevel gear transmission 52, gear shaft 53, support 54, cooperate with master cylinder body 26, round nut 23, guide-localization bar 24, lifting tube 25, the gear wheel 27 of master cylinder, finish the position adjustments effect of master cylinder adjustable travel rigidity location jointly.Gear shaft 53 be axially fixed on the support 54 and with master cylinder on gear wheel 27 engagements, an end of gear shaft 53 is a bevel gear of bevel gear transmission 52 fixedly, another bevel gear of bevel gear transmission 52 is by wheel shaft connection adjusting handle 10.Adjusting handle 10 adopts manual or electronic, surge and make its rotation, and then drive bevel gear secondary 52 rotates, after driving to gear shaft 53, the gear wheel 27 that the rotation of gear shaft 53 drives on the master cylinder 8 rotates, because adopting with lifting tube 25, gear wheel 27 fixedlys connected, therefore lifting tube 25 also rotates with gear wheel 27, and threaded engagement between lifting tube 25 and the master cylinder body 26, make lifting tube 25 when rotating, also carry out axial displacement, the result of this axial displacement has just changed the distance between lifting tube 25 and the locknut 23, main oil cylinder piston bar 30 is when doing downward movement like this, its stroke has just been determined by the distance of lifting tube 25 upper surfaces after setting up and round nut 23 lower surfaces on the guide-localization bar 24, moving to lifting tube 25 and round nut 23 when fitting tightly, the downward movement of piston rod 30 promptly stops and realizing realizing the purpose that stroke is adjusted in the rigidity location.After stroke was set up, the precision of the movement travel of master cylinder 8 just guaranteed and does not have a bit change by the range accuracy of this setting, unless because processed pulverulent product spare when requiring to change, the people is for adjusting accordingly again.
Above adjustment is illustrated: if the matching thread pitch of lifting tube 25 is 2 millimeters, gear wheel 27 numbers of teeth are 260, and gear shaft 53 numbers of teeth are 20, the number of teeth of a pair of bevel gear equates, so a moving week of handwheel 10 revolutions, gear wheel rotated for 1/13 week, and its distance of axial displacement is 0.154 millimeter; Be carved with scale on the handwheel 10, if handwheel rotated for 1/10 week, axial displacement also has only 0.015 millimeter so, and as seen its adjustable accuracy is the comparison precision.
The adjustable travel rigidity detent mechanism of the upper and lower stroke of following scuffing of cylinder bore 20 is all identical with adjusting, the transmission principle of the adjustable travel rigidity detent mechanism of master cylinder 8, so no longer repeat.
Claims (5)
1, a kind of hydraulic press for powder products, relate to frame and hydraulic means, it is characterized in that: it comprise frame-type frame (1), on put scuffing of cylinder bore (20) under master cylinder (8), the underlying, oil cylinder stroke governor motion (9,7,17), upward auxilliary cylinder (11), auxilliary cylinder (16), feed mechanism (22), both sides cylinder (6), power station (5) and electrical control gear (12) down; Master cylinder (8) is equipped with at the entablature center of frame (1), scuffing of cylinder bore (20) is equipped with down at the sill center, V-type rail (13) is equipped with in the framework pillar inboard, arrange top board (2) and the negative template (4) that is directed to up and down along guide rail (13), top board (2) is installed in the lower end of master cylinder (8) piston rod, be equipped with for the auxilliary cylinder (11) of going up of installation mold upper punch (14) at its lower plane center, be connected and fixed plate (18) at frame (1) middle part, connect lower platen (15) on following scuffing of cylinder bore (20) piston rod top, auxilliary cylinder (16) is equipped with down at lower platen (15) center, lower platen also is equipped with lead for (15) four jiaos, lead passes fixed head (18) and links to each other with negative template (4), top board (2), negative template (4), fixed head (18), lower platen (15) and lead constitute a complete mould bases, both sides cylinder (6) is installed in fixed head (18) left and right sides respectively, feed mechanism (22) level is installed on the last plane of negative template (4), master cylinder and following scuffing of cylinder bore stroke control mechanism (9,7,17) partly be connected with the stroke adjustment of master cylinder (8) respectively with following scuffing of cylinder bore (20).
2, hydraulic press for powder products according to claim 1, it is characterized in that: master cylinder is by round nut (23), guide-localization bar (24), lifting tube (25), Master cylinder body (26), gear wheel (27), piston (28), big locknut (29), piston rod (30), end cap (31) and terminal pad (32) are formed, piston (28) is contained in the Master cylinder body (26), piston rod (30) one ends and piston (28) are fixing, the fixedly connected dish of its other end (32) also stretches out outside the Master cylinder body (26), end cap (31) sealing shroud piston rod (30) go up and with Master cylinder body (26) sealing and fixing, locate to be provided with oil-in at Master cylinder body (26) front end near end cap (31), cylindrical is rotary with big locknut (29) by screw thread at Master cylinder body (26) middle part, the other end at Master cylinder body (26) connects lifting tube (25) by motion thread, lifting tube (25) is gone up fixedly gear wheel (27), guide-localization bar (24) the inner that is provided with oil through is passed lifting tube (25) and is linked to each other with piston rod (30) with screw thread, and pair round nuts (23) are equipped with in its outer end.
3, hydraulic press for powder products according to claim 1, it is characterized in that: following scuffing of cylinder bore is by round nut (33), guide-localization bar (36), lifting tube (34,44), gear wheel (35,43), big locknut (37), piston (38), piston rod (39), cylinder body (40), end cap (41), swivel nut (42), terminal pad (45) is formed, piston (38) is contained in the cylinder body (40), piston rod (39) one ends and piston (38) are fixing, the fixedly connected dish of piston rod (39) other end (45) also stretches out outside the cylinder body (40), have end cap (41) sealing shroud piston rod (39) go up and with cylinder body (40) sealing and fixing, locate to be provided with oil-in at cylinder body (40) front end near end cap (41), cylindrical is rotary with big locknut (37) by screw thread at cylinder body (40) middle part, the fixing swivel nut (42) at the two ends of cylinder body (40), on swivel nut (42) excircle, connect lifting tube (34 by motion thread, 44), lifting tube (34,44) go up fixedly gear wheel (35,43), the lifting tube (42) that an end is passed in guide-localization bar (36) the inner that is provided with oil through links to each other with piston rod (39) by screw thread with swivel nut (34), two round nuts (33) are equipped with in guide-localization bar (36) outer end, and lifting tube of the other end (44) and swivel nut (42) are inserted on piston rod (39).
4, hydraulic press for powder products according to claim 1, it is characterized in that: oil cylinder stroke is regulated transmission device (9) and is made up of adjusting handle (10), bevel gear transmission (52), gear shaft (53), support (54), be used for oil cylinder on gear wheel (27) meshed gears axle (53) be axially fixed in support (54), one end of gear shaft (53) is a bevel gear of bevel gear transmission (52) fixedly, and another bevel gear of bevel gear transmission (52) connects adjusting handle (10) by wheel shaft.
5, hydraulic press for powder products according to claim 1 is characterized in that: feed mechanism (22) is the shake feeding cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080708 CN2772808Y (en) | 2005-02-26 | 2005-02-26 | Hydraulic press of powdery product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520080708 CN2772808Y (en) | 2005-02-26 | 2005-02-26 | Hydraulic press of powdery product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2772808Y true CN2772808Y (en) | 2006-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520080708 Expired - Fee Related CN2772808Y (en) | 2005-02-26 | 2005-02-26 | Hydraulic press of powdery product |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511573A (en) * | 2011-12-23 | 2012-06-27 | 黄一峰 | Safe and rapid compactor for tea cake |
| CN102909878A (en) * | 2012-11-13 | 2013-02-06 | 天津市诺恩电器设备制造有限公司 | Multifunctional hydraulic machine |
| CN103268819A (en) * | 2013-05-07 | 2013-08-28 | 平湖市声佳电子有限公司 | Pressing die device for transformer core pressing die |
| CN103894606A (en) * | 2012-12-27 | 2014-07-02 | 四平市天阔换热设备有限公司 | Horizontal type bidirectional flexible hydraulic blank pressing machine |
| CN104029413A (en) * | 2013-03-04 | 2014-09-10 | 李亚东 | Full-automatic pressing type powder forming machine |
| CN105751564A (en) * | 2016-03-26 | 2016-07-13 | 梧州市旺捷机械制造有限公司 | Basketed tea compacting machine |
| CN106825556A (en) * | 2017-03-14 | 2017-06-13 | 常熟市双月机械有限公司 | It is a kind of can two-sided punching press metal dust hydraulic press |
| CN106925779A (en) * | 2016-12-31 | 2017-07-07 | 扬州市海力精密机械制造有限公司 | Powder device and control system are filled out in controllable type servo profiling |
| CN106944616A (en) * | 2017-03-14 | 2017-07-14 | 常熟市双月机械有限公司 | It is a kind of that there is the metal dust hydraulic press for sintering function |
| CN107931603A (en) * | 2017-11-24 | 2018-04-20 | 南通巨能锻压机床有限公司 | A kind of dry powder product frame type hydraulic press is taken blame for others mechanism |
| CN109353060A (en) * | 2018-11-06 | 2019-02-19 | 南通力友液压机制造有限公司 | Fro hydraulic driving machinery formula powder former |
| CN109530682A (en) * | 2018-10-30 | 2019-03-29 | 南京东田精密机械有限公司 | Dry powder press lever owes amount transmission and adjustment device excessively |
| CN110039815A (en) * | 2018-12-26 | 2019-07-23 | 嘉兴大道锻造技术咨询有限公司 | A kind of double drive long stroke pressure mechanism |
-
2005
- 2005-02-26 CN CN 200520080708 patent/CN2772808Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511573A (en) * | 2011-12-23 | 2012-06-27 | 黄一峰 | Safe and rapid compactor for tea cake |
| CN102909878A (en) * | 2012-11-13 | 2013-02-06 | 天津市诺恩电器设备制造有限公司 | Multifunctional hydraulic machine |
| CN103894606A (en) * | 2012-12-27 | 2014-07-02 | 四平市天阔换热设备有限公司 | Horizontal type bidirectional flexible hydraulic blank pressing machine |
| CN104029413A (en) * | 2013-03-04 | 2014-09-10 | 李亚东 | Full-automatic pressing type powder forming machine |
| CN104029413B (en) * | 2013-03-04 | 2016-02-03 | 东莞市九九机械有限公司 | A kind of full-automatic pressing type powder former |
| CN103268819A (en) * | 2013-05-07 | 2013-08-28 | 平湖市声佳电子有限公司 | Pressing die device for transformer core pressing die |
| CN105751564A (en) * | 2016-03-26 | 2016-07-13 | 梧州市旺捷机械制造有限公司 | Basketed tea compacting machine |
| CN106925779A (en) * | 2016-12-31 | 2017-07-07 | 扬州市海力精密机械制造有限公司 | Powder device and control system are filled out in controllable type servo profiling |
| CN106825556A (en) * | 2017-03-14 | 2017-06-13 | 常熟市双月机械有限公司 | It is a kind of can two-sided punching press metal dust hydraulic press |
| CN106944616A (en) * | 2017-03-14 | 2017-07-14 | 常熟市双月机械有限公司 | It is a kind of that there is the metal dust hydraulic press for sintering function |
| CN106825556B (en) * | 2017-03-14 | 2018-11-02 | 常熟市双月机械有限公司 | It is a kind of can two-sided punching press metal powder hydraulic press |
| CN106944616B (en) * | 2017-03-14 | 2019-03-29 | 常熟市双月机械有限公司 | A kind of metal powder hydraulic press with sintering function |
| CN107931603A (en) * | 2017-11-24 | 2018-04-20 | 南通巨能锻压机床有限公司 | A kind of dry powder product frame type hydraulic press is taken blame for others mechanism |
| CN107931603B (en) * | 2017-11-24 | 2023-12-29 | 南通巨能锻压机床有限公司 | Top cylinder mechanism of frame type hydraulic press for dry powder products |
| CN109530682A (en) * | 2018-10-30 | 2019-03-29 | 南京东田精密机械有限公司 | Dry powder press lever owes amount transmission and adjustment device excessively |
| CN109353060A (en) * | 2018-11-06 | 2019-02-19 | 南通力友液压机制造有限公司 | Fro hydraulic driving machinery formula powder former |
| CN109353060B (en) * | 2018-11-06 | 2024-07-23 | 南通力友液压机制造有限公司 | Hydraulic driving mechanical powder forming machine |
| CN110039815A (en) * | 2018-12-26 | 2019-07-23 | 嘉兴大道锻造技术咨询有限公司 | A kind of double drive long stroke pressure mechanism |
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