CN201009469Y - Constant quantity feeding mechanism of powder molding press - Google Patents
Constant quantity feeding mechanism of powder molding press Download PDFInfo
- Publication number
- CN201009469Y CN201009469Y CNU200720067471XU CN200720067471U CN201009469Y CN 201009469 Y CN201009469 Y CN 201009469Y CN U200720067471X U CNU200720067471X U CN U200720067471XU CN 200720067471 U CN200720067471 U CN 200720067471U CN 201009469 Y CN201009469 Y CN 201009469Y
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- Prior art keywords
- feeding
- worm screw
- seat
- constant
- press molding
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- 239000000843 powder Substances 0.000 title claims abstract description 77
- 238000000465 moulding Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000007599 discharging Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides a constant feeding mechanism of powder press molding machine, pertaining to machinery technical field, which solves the defects that the prior art is unsmooth in material transportation, weaker in use stability and too complex in structure. The constant feeding mechanism of powder press molding machine comprises a feeding tube, wherein, the upper part of the feeding tube is provided with a material inlet; a hopper is arranged on the material inlet; the feeding tube is communicated with a feeding seat through a material outlet arranged at the bottom; a worm is arranged in the feeding seat; one end of the worm passes out of the feeding seat and is connected with a worm motor, and the other end extends to a feeding hole laterally arranged on the feeding seat. The utility model has the advantages of stable operation, simple structure and smooth feeding.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to fine powder press molding machine, especially relates to a kind of constant feeding mechanism of fine powder press molding machine.
Background technology
Powder die-casting has advantages such as manufacturing process is simple, manufacturing cost is lower, therefore, is used widely in machine-building.Supply with a very important step of powder stock to fine powder press molding machine in the die casting workpiece process.In order to improve working (machining) efficiency, realize automation mechanized operation, pay-off is set on fine powder press molding machine gets final product.
Usually, the scheme of fine powder press molding machine is mainly carried at the common plastics raw material and is designed, and therefore needn't control constant output quantity.But when molding press is the conveying that mode common when adopting polytetrafluorethylepowder powder to be raw material will be given powder, and follow-up pressing mold process causes very big influence.Because polytetrafluorethylepowder powder has certain viscosity, if conveying capacity is excessive, will cause caking phenomenon in course of conveying; Otherwise,, can cause the product can't compacting again if conveying capacity is very few.On the other hand, the material of said mechanism is that the rotation that depends on feeding spiral rod realizes fully, makes material seem not smooth in course of conveying, causes material to be blocked in the cylinder easily, and stability in use is relatively poor.In addition, carry the purpose of various novel materials to be provided with adjusting device again in order to reach, adjusting device comprises a series of parts such as deflector.As can be seen, above-mentioned patent part is too much, and it is too complicated that structure seems.
Summary of the invention
The purpose of this utility model is at existing in prior technology the problems referred to above, and a kind of simple in structure, constant feeding mechanism of being suitable for powder stock is carried out the fine powder press molding machine that constant carries is provided.
The purpose of this utility model can realize by following technical proposal: a kind of constant feeding mechanism of fine powder press molding machine; comprise a feeding cylinder; the top of feeding cylinder has feeding mouth; hopper is installed on feeding mouth; it is characterized in that described feeding cylinder is connected by discharging opening and the material feeding seat of being located at its bottom, is provided with worm screw in material feeding seat; the end of worm screw passes material feeding seat and links to each other with the worm screw motor, and the other end extends to laterally disposed feeding port on material feeding seat.
The constant feeding mechanism of this fine powder press molding machine is installed on the frame of fine powder press molding machine, and it is in the hopper place of fine powder press molding machine, and the hopper of its feeding port and molding press joins.Powder stock and falls in the material feeding seat by the discharging opening of feeding cylinder in hopper is sent into the feeding mouth of feeding cylinder.In the worm screw driven by motor worm screw rotation process, powder stock is delivered to the feeding port of being located at the material feeding seat sidepiece along the helical tooth of worm screw, by feeding port powder is delivered in the hopper of molding press.
This mechanism is owing to be to rotate by worm screw to carry powder, so the worm screw rotating speed of motor has determined the speed of its conveying.By adjusting the worm screw rotating speed of motor, powder is sent in the hopper of molding press with the quantity constant that is suitable for the molding press needs.Such mode can guarantee that the powder quantity in the molding press hopper keeps stable, avoids occurring the too much or very few situation that causes the molding press irregular operating of powder quantity.
In the constant feeding mechanism of above-mentioned fine powder press molding machine; be provided with the feeding brush in the described feed cylinder; the feeding brush is made up of rotating shaft and brush body; the outer end of rotating shaft passes feeding cylinder and links to each other with the feeding motor; the inner of rotating shaft is positioned at feeding cylinder and is in the discharging opening place, and brush body is connected in the inner of rotating shaft and is positioned at the top of worm screw.
When the rotating shaft of feeding driven by motor feeding brush was rotated, brush body was being followed and is being rotated.Because brush body is positioned at the top of worm screw, when powder stock fell into material feeding seat, the brush body of rotation can make powder stock be evenly distributed in around the worm screw.As can be seen, make worm shaft to the powder stock that has equivalent all the time, to guarantee to carry the powder stock of equivalent by feeding brush.
In the constant feeding mechanism of above-mentioned fine powder press molding machine, the rotating shaft of described feeding cylinder inside is provided with some vertically disposed stirring bars.When powder stock is carried to discharging opening from the feeding mouth of feeding cylinder, stir bar and can make powder stock flow swimmingly, and be evenly distributed, constantly stirring can prevent the adhesion caking simultaneously.
In the constant feeding mechanism of above-mentioned fine powder press molding machine, described material feeding seat is along the feeding channel that is complementary with the worm screw profile that is axially arranged with of worm screw, and rounded and its aperture of above-mentioned feeding port is slightly larger than the worm screw external diameter.After powder stock entered material feeding seat, under feeding channel and the worm screw of rotating acted on, powder stock can enter the feeding port place along the helical tooth of worm screw.Because the aperture of feeding port is slightly larger than the worm screw external diameter, so just make sending that powder stock can constant by feeding port.
In the constant feeding mechanism of above-mentioned fine powder press molding machine, the bottom of described feeding cylinder and the sidepiece of material feeding seat are solidly fixed, and are interconnected.Feeding cylinder and material feeding seat are two separate parts, couple together by the mode that is connected.
As another kind of scheme, in the constant feeding mechanism of above-mentioned fine powder press molding machine, described feeding cylinder and material feeding seat are integral structure.Adopt integral structure can simplify overall structure.
Compared with prior art, the constant feeding mechanism of this fine powder press molding machine has following advantage:
1. the feeding brush can guarantee that the peripherad powder stock of worm shaft evenly distributes; thereby guarantee in the worm screw rotation process, to realize the equivalent conveying; when molding press is applied to polytetrafluorethylepowder powder, just can make molding press carry out work smoothly, guarantee the constant product quality that is processed.
2. powder stock is vertically carried by feeding cylinder earlier, again by the material feeding seat lateral transfer, by stirring powder stock is flowed swimmingly when vertically carrying and can not cause caking, and be evenly distributed.
3. fairly simple, the processing and manufacturing of whole apparatus structure can be directly and the supporting use of various types of molding presses, and is easy to implement.
Description of drawings
Fig. 1 is the structural representation that the constant feeding mechanism of this fine powder press molding machine has broken section.
Fig. 2 is the user mode figure of this feed mechanism when being applied to molding press.
Among the figure, 1, feeding cylinder; 1a, feeding mouth; 1b, discharging opening; 2, hopper; 3, material feeding seat; 3a, feeding port; 3b, feeding channel; 4, worm screw; 5, worm screw motor; 6, feeding brush; 6a, rotating shaft; 6b, brush body; 6c, stirring bar; 7, feeding motor; 8, molding press hopper; 8a, feeding port; 9, workbench; 10, mould.
The specific embodiment
The constant feeding mechanism of the fine powder press molding machine of present embodiment is applied on the polytetrafluorethylepowder powder molding press.As shown in Figure 1, this constant feeding mechanism is made up of feeding cylinder 1, material feeding seat 3, worm screw 4 and feeding brush 6 etc.
The top of feeding cylinder 1 is provided with feeding mouth 1a, and hopper 2 is installed on feeding mouth 1a.The inner chamber of hopper 2 is wide at the top and narrow at the bottom, makes the polytetrafluorethylepowder powder raw material can fall into the bottom in the hopper 2 smoothly by such structure, enters the pan feeding 1a of feeding cylinder 1.
Above-mentioned feeding cylinder 1 is to be connected by discharging opening 1b and the material feeding seat 3 of being located at its bottom.Like this, powder stock just can enter in the material feeding seat 3 by feeding cylinder 1.Feeding port 3a is laterally disposed on material feeding seat 3.Powder stock is vertically carried by feeding cylinder 1 earlier, is come out by material feeding seat 3 lateral transfer again, enters in the molding press hopper 8, for molding press is supplied raw materials.
As shown in Figure 1, in the present embodiment, be provided with worm screw 4 in material feeding seat 3, the end of worm screw 4 passes material feeding seat 3 and links to each other with worm screw motor 5, and the other end extends to laterally disposed feeding port 3a on material feeding seat 3.In the time of in powder stock falls into material feeding seat 3, worm screw motor 5 drives in worm screws 4 rotation processes, and powder stock is just sent along the helical tooth of the worm screw 4 feeding port 3a by material feeding seat 3.
In order to make the powder stock that remains constant in the fine powder press molding machine; in the present embodiment; be provided with feeding brush 6 in the feeding cylinder 1; feeding brush 6 is made up of rotating shaft 6a and brush body 6b; the outer end of rotating shaft 6a passes feeding cylinder 1 and links to each other with feeding motor 7, and the inner of rotating shaft 6a is positioned at feeding cylinder 1 and is in discharging opening 1b place.Brush body 6b is connected in the inner of rotating shaft 6a and is positioned at the top of worm screw 4.When powder stock fell into material feeding seat 3, the brush body 6b of rotation can make powder stock be evenly distributed in around the worm screw 4.As can be seen, make the powder stocks that worm screw 4 axially has equivalent all the time by feeding brush 6, to guarantee to carry the powder stock of equivalent.Make the mould place of fine powder press molding machine remain constant powder stock, prevent because of powder stock too much causes caking, or press bad phenomenon such as unreal because of powder stock is very few.
In the present embodiment, material feeding seat 3 is along the feeding channel 3b that is complementary with worm screw 4 profiles that is axially arranged with of worm screw 4, and rounded and its aperture of above-mentioned feeding port 3a is slightly larger than worm screw 4 external diameters.In worm screw 4 rotation processes, powder stock is carried in feeding channel 3b, and arrives feeding port 3a.
In addition, the rotating shaft 6a of feeding cylinder 1 inside is provided with some vertically disposed stirring bar 6c.When feeding motor 7 drove the rotating shaft rotation of feeding brush 6, brush body 6b and stirring bar 6c were following and are rotating.By stirring bar 6c powder stock is flowed swimmingly in feeding cylinder 1, and be evenly distributed.
In the present embodiment, feeding cylinder 1 and material feeding seat 3 are integral structure, and integral body is tubular structure.
As shown in Figure 2, in fine powder press molding machine, mould is arranged in the workbench, and molding press hopper 8 is fixed on the workbench 9 of fine powder press molding machine, and is in the top of mould 10.This feed mechanism is loaded on molding press hopper 8 places in the molding press, and the feeding port 3a of its material feeding seat 3 and the feeding port 8a of molding press hopper 8 join.When polytetrafluorethylepowder powder after constant comes out from feed mechanism, enter in the molding press hopper 8, by feeding blade powder is sent in the mould 10 again.Because this feed mechanism is to the output of polytetrafluorethylepowder powder constant, the product percent of pass height that molding press is processed.
Claims (6)
1. the constant feeding mechanism of a fine powder press molding machine; comprise a feeding cylinder (1); the top of feeding cylinder (1) has feeding mouth (1a); hopper (2) is installed on feeding mouth (1a); it is characterized in that; described feeding cylinder (1) is connected with material feeding seat (3) by the discharging opening (1b) of being located at its bottom; in material feeding seat (3), be provided with worm screw (4); the end of worm screw (4) passes material feeding seat (3) and links to each other with worm screw motor (5), and the other end extends to laterally disposed feeding port (3a) on material feeding seat (3).
2. the constant feeding mechanism of fine powder press molding machine according to claim 1; it is characterized in that; (1) is provided with feeding brush (6) in the described feed cylinder; feeding brush (6) is made up of rotating shaft (6a) and brush body (6b); the outer end of rotating shaft (6a) passes feeding cylinder (1) and links to each other with feeding motor (7); the inner of rotating shaft (6a) is positioned at feeding cylinder (1) and is in discharging opening (1b) to be located, and brush body (6b) is connected in the inner of rotating shaft (6a) and is positioned at the top of worm screw (4).
3. the constant feeding mechanism of fine powder press molding machine according to claim 2 is characterized in that, the inner rotating shaft (6a) of described feeding cylinder (1) is provided with some vertically disposed stirring bars (6c).
4. the constant feeding mechanism of fine powder press molding machine according to claim 1; it is characterized in that; described material feeding seat (3) is along the feeding channel (3b) that is complementary with worm screw (4) profile that is axially arranged with of worm screw (4), and rounded and its aperture of above-mentioned feeding port (3a) is slightly larger than worm screw (4) external diameter.
5. according to the constant feeding mechanism of claim 1 or 2 or 3 or 4 described fine powder press molding machines, it is characterized in that the sidepiece of the bottom of described feeding cylinder (1) and material feeding seat (3) is solidly fixed, and is interconnected.
6. according to the constant feeding mechanism of claim 1 or 2 or 3 or 4 described fine powder press molding machines, it is characterized in that described feeding cylinder (1) and material feeding seat (3) are integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720067471XU CN201009469Y (en) | 2007-02-16 | 2007-02-16 | Constant quantity feeding mechanism of powder molding press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720067471XU CN201009469Y (en) | 2007-02-16 | 2007-02-16 | Constant quantity feeding mechanism of powder molding press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201009469Y true CN201009469Y (en) | 2008-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720067471XU Expired - Lifetime CN201009469Y (en) | 2007-02-16 | 2007-02-16 | Constant quantity feeding mechanism of powder molding press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201009469Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015963B (en) * | 2007-02-16 | 2011-08-17 | 苏长春 | Constant feeding mechanism for powder molding press |
-
2007
- 2007-02-16 CN CNU200720067471XU patent/CN201009469Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101015963B (en) * | 2007-02-16 | 2011-08-17 | 苏长春 | Constant feeding mechanism for powder molding press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PROVINCE YUSHENG MEDICAL TREATMENT EQUIPM Free format text: FORMER OWNER: SU ZHANGCHUN Effective date: 20090724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090724 Address after: Zhejiang province221116 Yuhuan County Xuanmen Industrial Zone, 317608 Patentee after: Zhejiang Yusheng Medical Device Co., Ltd. Address before: No. 88 Wangjiang Road, small bamboo village, Chengguan Town, Zhujiang Town, Zhejiang, Yuhuan County Province, 317600 Patentee before: Su Changchun |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080123 Effective date of abandoning: 20070216 |