CN208118502U

CN208118502U - Powder former

Info

Publication number: CN208118502U
Application number: CN201820521603.XU
Authority: CN
Inventors: 王肖; 陈亮
Original assignee: Shenzhen Xin Ming Ming Intelligent Equipment Ltd By Share Ltd
Current assignee: Shenzhen Xin Ming Ming Intelligent Equipment Ltd By Share Ltd
Priority date: 2018-04-11
Filing date: 2018-04-11
Publication date: 2018-11-20
Anticipated expiration: 2028-04-11

Abstract

The utility model belongs to powder machine-shaping device technical field, it is related to a kind of powder former, including rack, the first driving mechanism, seaming chuck, molding die, automatic powder feeding mechanism, push-down head, the second driving mechanism and servo de-material unit, the inside of the rack is arranged in the molding die, and the automatic powder feeding mechanism is used to convey powder to the molding die；First driving mechanism includes first servo motor, the first speed reducer and electric cylinders, the servo de-material unit includes the second servo motor, the second speed reducer, ball-screw, fixed plate and jacking mechanism, second driving mechanism includes third servo motor, third speed reducer, lead screw and feed screw nut, the powder former is avoided using the exhaust emission environment generated during hydraulic-driven, more environmentally-friendly；All using servo motor drive, can make to drive it is more compact, promoted driving speed, improve the machining accuracy of workpieces processing.

Description

Powder former

Technical field

The utility model belongs to powder machine-shaping device technical field, more particularly to a kind of powder former.

Background technique

Powder former is that loose powder is processed into setting with certain size, shape and certain density and intensity It is standby.The main embodiment of powder compacting is that a certain amount of powder is sent into the mold on powder former, then with mold pair Powder is detached from molding after being suppressed.

Currently, the driving structure of conventional powder molding machine is generally divided into two kinds：One is mechanically driver type, by cam, The drive mechanisms such as crankshaft carry out power transmission, that there are driving structures is complicated for such drive form, cost is high and workpiece at The problems such as type rear stability is poor.Secondly being hydraulic drive type, firstly, such drive form needs to use using the unclean energy Exhaust gas can be constantly generated in the process, polluted the environment, it is not environmentally friendly enough；Secondly as long processing time when powder compacting, The temperature of hydraulic oil when in use constantly rises, therefore occurs that size is unstable, waste product after processing workpieces processing The problems such as rate is high；Finally, due to which hydraulic cylinder volume itself is larger, to increase the occupied area of powder former, limit The use environment of powder former.

Utility model content

Technical problem to be solved in the utility model is：It is asked for the powder former technology not environmentally of the prior art Topic, provides a kind of powder former.

In order to solve the above technical problems, the utility model embodiment provides a kind of powder former, including rack, the first drive Motivation structure, seaming chuck, molding die, automatic powder feeding mechanism, push-down head, the second driving mechanism and servo de-material unit, it is described at Pattern has the inside that the rack is arranged in, and the automatic powder feeding mechanism is used to convey powder to the molding die；

First driving mechanism includes first servo motor, the first speed reducer and electric cylinders, the first speed reducer installation Between the first servo motor and the electric cylinders, the pressure for detecting electric cylinders pressure is installed on the output shaft of the electric cylinders Force snesor, the seaming chuck are connected to the lower section of the pressure sensor, and the molding die is located under the seaming chuck Side, the first servo motor drive the output shaft of the electric cylinders to move up and down, drive institute with this by first speed reducer Seaming chuck is stated to move up and down；

The servo de-material unit includes the second servo motor, the second speed reducer, ball-screw, fixed plate and jacks up machine Structure, second driving mechanism include third servo motor, third speed reducer, lead screw and feed screw nut, second speed reducer It being mounted between second servo motor and the ball-screw, the lower section of the jacking mechanism is arranged in the fixed plate, The lower section of the fixed plate, institute is arranged in second servo motor, the second speed reducer, third servo motor and third speed reducer Ball-screw is stated across the fixed plate, the jacking mechanism is threadedly coupled with the ball-screw, second servo motor It drives the ball-screw to rotate, drives the jacking mechanism to move up and down with this, the jacking mechanism is connected to the molding The lower section of mold；

The third speed reducer is mounted between the third servo motor and the lead screw, and the lead screw sequentially passes through institute Fixed plate and jacking mechanism are stated, the lead screw is threadedly coupled with the feed screw nut, and the push-down head is fixedly connected on the silk The top of thick stick nut, the third servo motor drive the lead screw rotation, drive the push-down head to move up and down with this.

According to powder former provided by the embodiment of the utility model, which all uses servo motor to drive It has the advantage that：Firstly, avoiding using the exhaust emission environment generated during hydraulic-driven, the powder former is more Environmental protection；Secondly, all driven using servo motor, can make to drive more compact, promote driving speed, improve workpieces processing plus Work precision, to improve the yields of workpieces processing；Finally, servo motor is small in size, powder former entirety can be reduced Occupied area has widened the use environment of powder former.

Optionally, the powder former further includes for moving up and down the Guiding machine being oriented to the seaming chuck Structure；

The guiding mechanism includes movable plate, guide post and level board, and the level board is fixed in the rack, described Movable plate is fixed on the output shaft of the electric cylinders, and the movable plate is located at the top of the pressure sensor, the level board On be provided with pilot hole, the lower end of the guide post is fixedly connected on the movable plate, and the guide post is slidably connected at institute It states in pilot hole, drives the movable plate to move up and down by the moving up and down for output shaft of the electric cylinders.

Optionally, the molding die includes upper die and lower die, is formed between the upper die and lower die and fills out powder die cavity, described The top of jacking mechanism is fixedly connected with the side of the upper mold by a link block, and moving up and down for the jacking mechanism is passed through The upper mold is driven to move up and down.

Optionally, the jacking mechanism includes mounting plate and more mandrils being mounted on the mounting plate, the ball Lead screw is threadedly coupled with the mounting plate, and the more mandrils are fixedly connected by the link block with the side of the upper mold.

Optionally, second driving mechanism further includes rotation-preventing mechanism, and the rotation-preventing mechanism includes sleeve, linking arm and consolidates Fixed pole, the sleeve are set in outside the lead screw and feed screw nut, and the sleeve limits the rotation of the feed screw nut, described Along the radially connected on the periphery wall of the sleeve of the sleeve, the upper end of the fixed link is fixedly connected on described linking arm On linking arm, the lower end of the fixed link is fixedly connected in the fixed plate.

Optionally, the automatic powder feeding mechanism includes upper powder device, magazine and servo mould group, and the upper powder device includes more The upper surface of the upper mold is arranged in a powder box, the magazine, and the servo mould group is used to insert in the powder in the magazine Described to fill out in powder die cavity, each powder box is equipped with pneumatic vibrator, and each powder box lower end is respectively equipped with one and institute The powder tank of magazine connection is stated, each powder tank is mounted below straight line oscillator.

Optionally, it is provided with the powder quantity sensor of detection powder amount in the powder box, is provided in the magazine for detecting The powder height sensor of powder height.

Optionally, the rack includes four principal posts, the first clamping block and the second clamping block, and first clamping block is fixed Wherein on a principal post, second clamping block is fixed on another adjacent principal post, first clamping block and second Clamping block is located at the two sides of the upper powder device；

The upper powder device further includes fixture block, fixed bracket, multiple fixed blocks, rocker arm shaft and rotation axis, the rocker arm shaft The two sides of multiple powder boxes are symmetricly set on rotation axis, the rotation axis and the first clamping block are rotatablely connected, the rocker arm The lower end of axis is fixedly connected with the fixture block, and the rocker arm shaft is clamped by the fixture block and the second clamping block, multiple described solid Determine block to be set in the rocker arm shaft and rotation axis, for the fixed block for fixing the fixed bracket, multiple powder boxes can It is releasably connected on the fixed bracket.

Optionally, the upper surface of the push-down head is fixedly connected with support plate, and the support plate is located at the molding die Lower section.

Optionally, the ball-screw is multiple, and the servo de-material unit further includes linkage mechanism, the linkage mechanism It is arranged between second speed reducer and the ball-screw, multiple ball-screws are separately fixed at the linkage mechanism On, second servo motor drives the linkage mechanism to drive multiple ball-screw rotations.

Detailed description of the invention

Fig. 1 is the schematic diagram for the powder former that an embodiment of the present invention provides；

Fig. 2 is another schematic diagram for the powder former that an embodiment of the present invention provides；

Fig. 3 is the powder former schematic internal view that an embodiment of the present invention provides；

Fig. 4 is that an embodiment of the present invention provides the schematic diagram of the second driving mechanism and servo de-material unit；

Fig. 5 is another schematic diagram for the powder former that an embodiment of the present invention provides；

Fig. 6 is the cut-away view in Fig. 5 at C-C.

Appended drawing reference in specification is as follows：

11, water cooling unit；

12, electric cabinet；

13, rack；1301, principal post；1302, the first clamping block；1303, the second clamping block；

14, the first driving mechanism；1401, first servo motor；1402, the first speed reducer；1403, electric cylinders；1404, pressure Sensor；

15, seaming chuck；

16, guiding mechanism；1601, movable plate；1602, guide post；1603, level board；16031, pilot hole；

17, molding die；1701, upper mold；1702, lower die；

18, link block；

19, automatic powder feeding mechanism；1901, upper powder device；19011, powder box；19012, pneumatic vibrator；19013, fixed Bracket；19014, fixed block；19015, rocker arm shaft；19016, rotation axis；19017, fixture block；1902, magazine；1903, servo mould Group；

20, support plate；

21, push-down head；

22, the second driving mechanism；2201, third servo motor；2202, third speed reducer；2203, rotation-preventing mechanism； 22031, sleeve；22032, linking arm；22033, fixed link；

23, servo de-material unit；2301, the second servo motor；2302, the second speed reducer；2303, ball-screw；2304, Fixed plate；2305, jacking mechanism；23051, mounting plate；23052, mandril；2306, linkage mechanism.

Specific embodiment

The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

As shown in Figures 1 to 6, an embodiment of the present invention provides a kind of powder former, including rack 13, first is driven Motivation structure 14, seaming chuck 15, molding die 17, automatic powder feeding mechanism 19, push-down head 21, the second driving mechanism 22 and servo de- material The inside of the rack 13 is arranged in unit 23, the molding die 17, and the automatic powder feeding mechanism 19 is used for the molding Mold 17 conveys powder.

First driving mechanism 14 includes first servo motor 1401, the first speed reducer 1402 and electric cylinders 1403, described First speed reducer 1402 is mounted between the first servo motor 1401 and the electric cylinders 1403, on the output shaft of the electric cylinders Pressure sensor 1404 for detecting 1403 pressure of electric cylinders is installed, the seaming chuck 15 is connected to the pressure sensor 1404 lower section, the molding die 17 are located at the lower section of the seaming chuck 15, and the first servo motor 1401 passes through described First speed reducer 1402 drives the output shaft of the electric cylinders to move up and down, and drives the seaming chuck 15 to move up and down with this.

The servo de-material unit 23 includes the second servo motor 2301, the second speed reducer 2302, ball-screw 2303, consolidates Fixed board 2304 and jacking mechanism 2305, second driving mechanism 22 include third servo motor 2201, third speed reducer 2202, Lead screw (not shown) and feed screw nut (not shown), second speed reducer 2302 are mounted on the second servo electricity Between machine 2301 and the ball-screw 2303, the lower section of the jacking mechanism 2305 is arranged in the fixed plate 2304, described Second servo motor 2301, the second speed reducer 2302, third servo motor 2201 and third speed reducer 2202 are arranged described solid The lower section of fixed board 2304, the ball-screw 2303 pass through the fixed plate 2304, the jacking mechanism 2305 and the ball Lead screw 2303 is threadedly coupled, and second servo motor 2301 drives the ball-screw 2303 to rotate, and drives the top with this It plays mechanism 2305 to move up and down, the jacking mechanism 2305 is connected to the lower section of the molding die 17.

The third speed reducer 2202 is mounted between the third servo motor 2201 and the lead screw, the lead screw according to Secondary to pass through the fixed plate 2304 and jacking mechanism 2305, the lead screw is threadedly coupled with the feed screw nut, the push-down head 21 are fixedly connected on the top of the feed screw nut, and the third servo motor 2201 is driven the lead screw to rotate, driven with this The push-down head 21 moves up and down.

The powder former all uses servo motor driving to have the advantage that：Firstly, avoiding using hydraulic-driven The exhaust emission environment generated in the process, the powder former are more environmentally-friendly；Secondly, all driven using servo motor, it can be with Make to drive more compact, promotion driving speed, improve the machining accuracy of processing workpieces processing, processes the good of workpieces processing to improve Product rate；Finally, servo motor is small in size, it can be reduced the occupied area of powder former entirety, widened powder former Use environment.

As shown in Figures 2 and 6, in one embodiment, the powder former further includes for the seaming chuck 15 The guiding mechanism 16 that lower movement is oriented to.The guiding mechanism 16 includes movable plate 1601, guide post 1602 and level board 1603, the level board 1603 is fixed in the rack 13, and the movable plate 1601 is fixed on the output shaft of the electric cylinders, The movable plate 1601 is located at the top of the pressure sensor 1404, is provided with pilot hole 16031 on the level board 1603, The lower end of the guide post 1602 is fixedly connected on the movable plate 1601, and the guide post 1602 is slidably connected at described lead Into hole 16031, the movable plate 1601 is driven to move up and down by the moving up and down for output shaft of the electric cylinders.

The pressure that seaming chuck 15 applies molding die 17 can be monitored in real time by pressure sensor 1404, on the one hand, can 15 pressure of seaming chuck is excessive and damages molding die 17 to prevent, or processing workpieces processing surface after molding is made to have crackle, To influence to process the appearance of workpieces processing, the yields of powder compacting is reduced；On the other hand, 15 pressure of seaming chuck is too small, leads It causes powder final molding in molding die 17 to fail, or makes the powder of the marginal portion of processing workpieces processing after molding It easily falls, to influence the appearance of workpieces processing, reduces the yields of powder compacting.

Moving up and down for seaming chuck 15 is oriented to by guiding mechanism 16, first servo motor 1401 is indirectly in driving When pressure head 15 moves up and down, the shift position of seaming chuck 15 does not deviate by original motion track, makes the pressure on seaming chuck 15 It is all applied on molding die 17, reduces pressure divergence, improve the yields of workpieces processing after molding.

As shown in Figure 1, Figure 2 and shown in Fig. 6, in one embodiment, the molding die 17 includes upper mold 1701 and lower die 1702, It is formed between the upper mold 1701 and lower die 1702 and fills out powder die cavity, the top of the jacking mechanism 2305 and the upper mold 1701 Side is fixedly connected by a link block 18, drives about 1701 upper mold by moving up and down for the jacking mechanism 2305 It is mobile.

Filling out powder die cavity can be according to actual Demand Design at various shape.Automatic powder feeding mechanism 19 send powder to upper mold 1701, enter after the heating device heated to powder that is internally provided with of upper mold 1701, powder heating and fills out in powder die cavity, Seaming chuck 15 and the second driving mechanism 22 is driven to drive push-down head 21 respectively to upper mold 1701 under by the first driving mechanism 14 Mould 1702 applies pressure, so that powder machine-shaping in filling out powder die cavity forms workpieces processing.After powder machine-shaping, pass through Driving jacking mechanism 2305 moves up two servo motors 2301 indirectly, so that upper mold 1701 is separated with lower die 1702, operator Member can take out workpieces processing, and the demoulding after powder compacting is completed with this.

As shown in Fig. 1 to Fig. 3 and Fig. 6, in one embodiment, the automatic powder feeding mechanism 19 include upper powder device 1901, Magazine 1902 and servo mould group 1903, the upper powder device 1901 include multiple powder boxes 19011, and the magazine 1902 is arranged in institute The upper surface of upper mold 1701 is stated, the servo mould group 1903 is used to that powder die cavity will to be filled out described in the powder filling in the magazine 1902 In, each powder box 19011 is equipped with pneumatic vibrator 19012, each 19011 lower end of powder box be respectively equipped with one with The powder tank (not shown) that the magazine 1902 connects, each powder tank are mounted below straight line oscillator and (do not show in figure Out).

Pneumatic vibrator 19012 is installed, the powder facilitated in powder box 19011 is continual to powder on powder box 19011 It is fed in slot, prevents the powder in powder box 19011 from blocking powder box 19011 and interrupting feed.It is upper under powder tank to fill linear oscillating device, have Help that the powder in powder tank is continual to be fed into magazine 1902, prevents powder accumulation from influencing the feeding speed of powder, from And extend powder process time, reduce efficiency.After powder enters magazine 1902, before controlling magazine 1902 by servo mould group 1903 After move, enter the powder in magazine 1902 in upper mold 1701, so far, complete the self-feeding of powder.

As shown in figure 3, in one embodiment, the powder quantity sensor of detection powder amount is provided in the powder box 19011 (in figure It is not shown), the powder height sensor (not shown) for detecting powder height is provided in the magazine 1902.Powder amount Sensor can monitor the amount of the powder in powder box 19011 in real time, prevent the powder in powder box 19011 excessive or very few, influence powder The conveying at end.Powder height sensor can monitor the height of powder in magazine 1902 in real time, prevent the powder mistake in magazine 1902 It overflows more, wastes powder；Powder is very few and influences the appearance of workpieces processing, or even can lead due in magazine 1902 without powder It causes powder compacting to interrupt, slows down powder processing efficiency.

As shown in figure 3, in one embodiment, the rack 13 includes four principal posts 1301, the first clamping block 1302 and the Two clamping blocks 1303, first clamping block 1302 are fixed therein on a principal post 1301, and second clamping block 1303 is solid It is scheduled on another adjacent principal post 1301, first clamping block 1302 and the second clamping block 1303 are located at the upper powder device 1901 two sides.The upper powder device 1901 further includes fixture block 19017, fixed bracket 19013, multiple fixed blocks 19014, rocker arm Axis 19015 and rotation axis 19016, the rocker arm shaft 19015 are symmetricly set on multiple powder boxes 19011 with rotation axis 19016 Two sides, the rotation axis 19016 and the first clamping block 1302 be rotatablely connected, the lower end of the rocker arm shaft 19015 and the card Block 19017 is fixedly connected, and the rocker arm shaft 19015 is clamped by the fixture block 19017 and the second clamping block 1303, multiple described Fixed block 19014 is set in the rocker arm shaft 19015 and rotation axis 19016, and the fixed block 19014 is described solid for fixing Fixed rack 19013, multiple powder boxes 19011 are detachably connected on the fixed bracket 19013.

By the fixed multiple powder boxes 19011 of fixed bracket 19013, the fixed bracket 19013 of fixed block 19014 is fixed The side of bracket 19013 is rotatablely connected by fixed block 19014 and rotation axis 19016, and the other side of fixed bracket 19013 passes through Fixed block 19014 is connect with rocker arm shaft 19015, and rocker arm shaft 19015 is clamped by fixture block 19017 and the second clamping block 1303, is led to Crossing pulling rocker arm shaft 19015 is displaced outwardly the opposite principal post 1301 of fixed bracket 19013, to make fixed bracket 19013 and machine Certain distance is pulled open between frame 13, can replace the powder box 19011 on fixed bracket 19013 at this time, after changing powder box 19011, Rocking lever can be pushed to be clamped fixture block 19017 and the second clamping block 1303, realize fixing again for fixed bracket 19013.

As shown in Figure 1, Figure 2 and shown in Fig. 6, in one embodiment, the upper surface of the push-down head 21 is fixedly connected with support plate 20, the support plate 20 is located at the lower section of the molding die 17.Support plate 20 can increase push-down head 21 and molding die 17 it Between contact area, reduce push-down head 21 bear pressure.

As shown in Fig. 4 and Fig. 6, in one embodiment, the jacking mechanism 2305 includes mounting plate 23051 and is mounted on institute More mandrils 23052 on mounting plate 23051 are stated, the ball-screw 2303 is threadedly coupled with the mounting plate 23051, and more The mandril 23052 is fixedly connected by the link block 18 with the side of the upper mold 1701.Second servo motor 2301 is logical The second speed reducer 2302 driving ball-screw 2303 is crossed to rotate, after mounting plate 23051 is threadedly coupled with ball-screw 2303, ball The rotational energy of lead screw 2303 moves up and down the realization of mounting plate 23051, so that more mandrils 23052 be driven to move up and down, passes through Moving up and down for mandril 23052 makes to separate between upper mold 1701 and lower die 1702.

As shown in Figures 3 and 4, in one embodiment, the ball-screw 2303 is multiple, the servo de-material unit 23 It further include linkage mechanism 2306, the setting of linkage mechanism 2306 is in second speed reducer 2302 and the ball-screw 2303 Between, multiple ball-screws 2303 are separately fixed on the linkage mechanism 2306, and second servo motor 2301 drives The linkage mechanism 2306 is moved to drive multiple ball-screws 2303 to rotate.It can be watched at one by linkage mechanism 2306 It takes under the driving of motor, realizes the rotation of more ball-screws 2303, the cost of manufacture of equipment can be saved in this way.

In other unshowned embodiments, when ball-screw is multiple, servomotor, gear reducer and ball can be passed through The one-to-one mode of lead screw drives ball-screw to rotate, when directly driving ball-screw by servo motor and can be reduced driving Between, improve the precision of Serve Motor Control ball-screw.

As shown in figure 4, in one embodiment, second driving mechanism 22 further includes rotation-preventing mechanism 2203, the anti-rotation Mechanism 2203 include sleeve 22031, linking arm 22032 and fixed link 22033, the sleeve 22031 be set in the lead screw and Outside feed screw nut, the sleeve 22031 limits the rotation of the feed screw nut, and the linking arm 22032 is along the sleeve 22031 it is radially connected on the periphery wall of the sleeve 22031, the upper end of the fixed link 22033 is fixedly connected on described On linking arm 22032, the lower end of the fixed link 22033 is fixedly connected in the fixed plate 2304.

The outside of feed screw nut is set in by sleeve 22031, sleeve 22031 is fixed on fixation by fixed link 22033 On plate 2304, on the one hand, the rotation of feed screw nut can be limited by rotation-preventing mechanism 2203；On the other hand, rotation-preventing mechanism 2203 Have the function of guiding, makes push-down head 21 is erectile to move up and down.

As shown in Figure 1 and Figure 6, in one embodiment, powder former further includes water cooling unit 11 and electric cabinet 12.

The working principle of the powder former is：

The powder in powder box 19011 is sent in molding die 17 by automatic powder feeding mechanism 19, the first driving mechanism 14 driving seaming chucks 15 move down, and the second driving mechanism 22 driving push-down head 21 moves up, the first driving mechanism 14 and the second driving machine Structure 22 applies pressure to molding die 17 simultaneously, makes the powder compacting filled out in powder die cavity, then drive by the second servo motor 2301 Dynamic ball screw rotation, makes mandril 23052 that upper mold 1701 be driven to move up, and upper mold 1701 and being spaced apart for lower die 1702 are certain Space, facilitate operator by lower die 1702 workpieces processing take out, then by the second servo motor 2301 drive ball Screw rod rotation, makes mandril 23052 that upper mold 1701 be driven to move down, and makes to be formed again between upper mold 1701 and lower die 1702 and fills out powder Die cavity.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of powder former, which is characterized in that including rack, the first driving mechanism, seaming chuck, molding die, automatically send The inside of the rack, institute is arranged in powder mechanism, push-down head, the second driving mechanism and servo de-material unit, the molding die Automatic powder feeding mechanism is stated for conveying powder to the molding die；

First driving mechanism includes first servo motor, the first speed reducer and electric cylinders, and first speed reducer is mounted on institute It states between first servo motor and the electric cylinders, the pressure for detecting electric cylinders pressure is installed on the output shaft of the electric cylinders and is passed Sensor, the seaming chuck are connected to the lower section of the pressure sensor, and the molding die is located at the lower section of the seaming chuck, institute It states first servo motor and drives the output shaft of the electric cylinders to move up and down by first speed reducer, the upper pressure is driven with this Head moves up and down；

The servo de-material unit includes the second servo motor, the second speed reducer, ball-screw, fixed plate and jacking mechanism, institute Stating the second driving mechanism includes third servo motor, third speed reducer, lead screw and feed screw nut, and second speed reducer is mounted on Between second servo motor and the ball-screw, the fixed plate is arranged in the lower section of the jacking mechanism, and described The lower section of the fixed plate, the ball is arranged in two servo motors, the second speed reducer, third servo motor and third speed reducer Lead screw passes through the fixed plate, and the jacking mechanism is threadedly coupled with the ball-screw, and second servo motor drives institute Ball-screw rotation is stated, drives the jacking mechanism to move up and down with this, the jacking mechanism is connected to the molding die Lower section；

The third speed reducer is mounted between the third servo motor and the lead screw, and the lead screw sequentially passes through described solid Fixed board and jacking mechanism, the lead screw are threadedly coupled with the feed screw nut, and the push-down head is fixedly connected on the lead screw spiral shell Female top, the third servo motor drive the lead screw rotation, drive the push-down head to move up and down with this.

2. powder former according to claim 1, which is characterized in that the powder former further includes for described Seaming chuck moves up and down the guiding mechanism being oriented to；

The guiding mechanism includes movable plate, guide post and level board, and the level board is fixed in the rack, the activity Plate is fixed on the output shaft of the electric cylinders, and the movable plate is located at the top of the pressure sensor, is set on the level board It is equipped with pilot hole, the lower end of the guide post is fixedly connected on the movable plate, and the guide post is slidably connected at described lead Into hole, the movable plate is driven to move up and down by the moving up and down for output shaft of the electric cylinders.

3. powder former according to claim 1, which is characterized in that the molding die includes upper die and lower die, institute It states to be formed between upper die and lower die and fills out powder die cavity, the side of the top of the jacking mechanism and the upper mold is solid by a link block Fixed connection drives the upper mold to move up and down by moving up and down for the jacking mechanism.

4. powder former according to claim 3, which is characterized in that the jacking mechanism includes mounting plate and is mounted on More mandrils on the mounting plate, the ball-screw are threadedly coupled with the mounting plate, and the more mandrils pass through described Link block is fixedly connected with the side of the upper mold.

5. powder former according to claim 1, which is characterized in that second driving mechanism further includes anti-favourable turn Structure, the rotation-preventing mechanism include sleeve, linking arm and fixed link, and the sleeve is set in outside the lead screw and feed screw nut, The sleeve limits the rotation of the feed screw nut, and the linking arm is along the radially connected periphery in the sleeve of the sleeve On wall, the upper end of the fixed link is fixedly connected on the linking arm, and the lower end of the fixed link is fixedly connected on described solid On fixed board.

6. powder former according to claim 3, which is characterized in that the automatic powder feeding mechanism include upper powder device, Magazine and servo mould group, the upper powder device include multiple powder boxes, and the upper surface of the upper mold is arranged in the magazine, described to watch Mould group is taken for will fill out in powder die cavity described in the powder filling in the magazine, each powder box is equipped with pneumatic vibrator, Each powder box lower end is respectively equipped with the powder tank connecting with the magazine, and each powder tank is mounted below straight line shake Swing device.

7. powder former according to claim 6, which is characterized in that be provided with the powder amount of detection powder amount in the powder box Sensor is provided with the powder height sensor for detecting powder height in the magazine.

8. powder former according to claim 6, which is characterized in that the rack includes four principal posts, the first clamping Block and the second clamping block, first clamping block are fixed therein on a principal post, and second clamping block is fixed on adjacent On another principal post, first clamping block and the second clamping block are located at the two sides of the upper powder device；

The upper powder device further includes fixture block, fixed bracket, multiple fixed blocks, rocker arm shaft and rotation axis, the rocker arm shaft with turn Moving axis is symmetricly set on the two sides of multiple powder boxes, and the rotation axis and the first clamping block are rotatablely connected, the rocker arm shaft Lower end is fixedly connected with the fixture block, and the rocker arm shaft is clamped by the fixture block and the second clamping block, multiple fixed blocks It is set in the rocker arm shaft and rotation axis, for the fixed block for fixing the fixed bracket, multiple powder boxes are detachable Ground is connected on the fixed bracket.

9. powder former according to claim 1, which is characterized in that the upper surface of the push-down head is fixedly connected with branch Fagging, the support plate are located at the lower section of the molding die.

10. powder former described in -9 any one according to claim 1, which is characterized in that the ball-screw be it is multiple, The servo de-material unit further includes linkage mechanism, and the linkage mechanism is arranged in second speed reducer and the ball-screw Between, multiple ball-screws are separately fixed on the linkage mechanism, and second servo motor drives the gear Structure is to drive multiple ball-screw rotations.