CN110901143A - Multi-lower-punching mechanism of powder forming machine and powder forming machine comprising same - Google Patents
Multi-lower-punching mechanism of powder forming machine and powder forming machine comprising same Download PDFInfo
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- CN110901143A CN110901143A CN201911319037.XA CN201911319037A CN110901143A CN 110901143 A CN110901143 A CN 110901143A CN 201911319037 A CN201911319037 A CN 201911319037A CN 110901143 A CN110901143 A CN 110901143A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/022—Moulds for compacting material in powder, granular of pasta form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/062—Press plates
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Abstract
本发明公开了一种粉末成形机多下冲机构，包括阴模板、芯棒底板、固定冲板、浮动冲板及底板，上述部件通过限位装置固定以保持互相平行的位置，其中浮动冲板通过运动固定装置实现在限位装置限定的方向上可往复运动；浮动冲板之间的相对位置可调；浮动冲板包括相应的位置调整装置；所述粉末成形机下冲机构的浮动冲板数量大于等于三个。运用了本发明的粉末成形机，可用于生产结构较现有粉末成形机能压制的产品更复杂，具有更多内台阶的粉末成形产品，复杂零件压制品的密度均匀，机器的操作及调节简单、方便，既减轻了劳动强度，又提高了工作效率，且可降低生产成本、节约材料。
The invention discloses a multi-punch mechanism of a powder forming machine, comprising a female plate, a mandrel bottom plate, a fixed punching plate, a floating punching plate and a bottom plate. The above-mentioned components are fixed by a limiting device to maintain a position parallel to each other, wherein the floating punching plate Reciprocating movement in the direction defined by the limiting device is realized by moving the fixing device; the relative position between the floating punching plates is adjustable; the floating punching plate includes a corresponding position adjusting device; the floating punching plate of the lower punching mechanism of the powder forming machine The number is greater than or equal to three. Using the powder forming machine of the present invention can be used to produce powder forming products with more complex structure and more inner steps than the products pressed by the existing powder forming machines, the density of the pressed products of complex parts is uniform, the operation and adjustment of the machine are simple, Convenient, not only reduces labor intensity, but also improves work efficiency, and can reduce production costs and save materials.
Description
Technical Field
The invention relates to a powder forming machine, in particular to a lower five-punch mechanism of the powder forming machine and the powder forming machine comprising the same.
Background
The powder forming machine can press parts with high precision and good finish at one time, has the characteristics of wide application range, high production efficiency and high material utilization rate, is well favored by enterprises, is widely applied to pressing of various powder products such as metal, ceramics, bakelite and the like, has more and more complex shapes of pressed products, has parts with complex shapes of multiple steps, and can process parts with multiple through holes in the middle and blind holes with multiple inner steps in the middle. Particularly, with the development of the new generation communication technology, particularly the development of the 5G technology, the application of the thin-wall ceramic product with a complex shape in the 5G equipment is more and more extensive, and the shape is more and more complex.
The existing powder forming machine is provided with at most four lower punching mechanisms and comprises two floating punching plates, and because the powder forming machine with more than two floating punching plates is complex in structure and high in design difficulty, a feasible design scheme of a multi-lower punching mechanism is unavailable all the time, so that a plurality of parts with complex inner steps cannot be processed in an integrated forming mode.
Therefore, those skilled in the art are devoted to develop a multi-lower punch mechanism of a powder forming machine, the number of floating punch plates of the multi-lower punch mechanism is more than two, so as to ensure that the density of a pressed product of a complex part is uniform, the operation and the adjustment are simple and convenient, the labor intensity is reduced, the working efficiency is improved, the production cost is reduced, and the material is saved.
Disclosure of Invention
The invention aims to solve the technical problems that the prior art cannot integrally form a complex product with an ultra-multi-step blind hole, and a multi-lower punching mechanism with more than two floating punching plates has no feasible technical scheme because the mechanism is too complex and has high design difficulty.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a powder forming machine multi-lower punching mechanism comprises a female die plate, a mandrel bottom plate, a fixed punching plate, a floating punching plate and a bottom plate, wherein the parts are fixed through a limiting device to keep mutually parallel positions, and the floating punching plate can reciprocate in the direction limited by the limiting device through a movement fixing device; the relative position between the floating punching plates is adjustable; the floating punching plates comprise corresponding position adjusting devices so as to adjust the relative positions of the dies arranged on the punching plates in the die cavities of the female die plates, and simultaneously realize the demolding of the dies after the product is formed, thereby finishing the forming and demolding of the product. All punching plates can be independently provided with dies, so that a complete multi-lower punching mechanism is realized; the number of the floating punching plates of the lower punching mechanism of the powder forming machine is more than or equal to three.
Further, the multi-lower punching mechanism of the powder forming machine is a lower five-punching mechanism; the floating punching plates are two lower punching plates, three lower punching plates and four lower punching plates, and the fixed punching plates are a lower punching plate and a five lower punching plate; the components are fixed by a limiting device to keep parallel positions, wherein the two lower punching plates, the three lower punching plates and the four lower punching plates can reciprocate in the direction limited by the limiting device by a movement fixing device; the relative positions of the second lower punching plate, the third lower punching plate and the fourth lower punching plate are adjustable; the two lower punching plates, the three lower punching plates and the four lower punching plates comprise corresponding position adjusting devices so as to adjust the relative positions of the dies arranged on the punching plates in the die cavity of the female die plate, and simultaneously realize the die stripping after the product is formed, thereby finishing the product forming and the die stripping. The lower punching plate, the second lower punching plate, the third lower punching plate, the fourth lower punching plate and the fifth lower punching plate can be independently provided with dies, so that a complete lower five-punching mechanism is realized.
Furthermore, the limiting device of the multi-lower-punch mechanism of the powder forming machine is a plurality of main guide posts, two ends of each main guide post are respectively connected with the female die plate and the mandrel bottom plate, the movement fixing device is a fixed guide post, the fixed guide post is a hollow mechanism, and the main guide posts penetrate through the hollow mechanism for fixing the guide posts, so that the main guide posts can reciprocate along the direction limited by the fixed guide posts. The lower punching plate and the five lower punching plates are fixed punching plates, the lower punching plate and the bottom plate are arranged on the fixed guide posts, the five lower punching plates are arranged on the bottom plate, the relative positions of the lower punching plates and the five lower punching plates are kept unchanged, and the two lower punching plates, the three lower punching plates and the four lower punching plates are arranged to penetrate through the fixed guide posts.
Furthermore, the position adjusting device of the multi-lower-punch mechanism of the powder forming machine is an inclined wedge mechanism and comprises a die-discharging rod, an inclined block, a sliding block and a stop block, wherein the upper part of the die-discharging rod is connected with the female die plate, the lower part of the die-discharging rod is contacted with the top of the inclined block, the other end of the inclined block is an inclined plane and is contacted with the sliding block, the position of the inclined block is driven to change through the position change of the die-discharging rod, and then the inclined plane is converted into the position change of the inclined plane at the other end of the inclined; when the powder forming machine operates in a forming state, the sliding block is in contact with the stop block; when the powder forming machine is operated in the mold ejection state, the slide is moved to a position out of contact with the stopper, and the punch plate is moved to the mold ejection position so that the mold is removed from the cavity.
Furthermore, the bottom plate of the multi-lower punching mechanism of the powder forming machine also comprises a stop block forming and adjusting device arranged on the bottom plate, one end of the stop block is contacted with the sliding block, and the other end of the stop block is connected with the stop block forming and adjusting device; the forming adjusting device of the stop block can be adjusted to realize the adjustment of the relative distance between one end of the stop block, which is contacted with the slide block, and the bottom plate, thereby adjusting the forming position of the corresponding punching plate.
Preferably, the powder forming machine may employ a multi-undershoot mechanism provided in the following manner: the lower punch is arranged at the position closest to the female die plate, and the main guide post passes through the lower punch plate and is fixed on the fixed guide post; the two lower punching plates penetrate through the fixed guide pillar and are positioned between the lower punching plate and the three lower punching plates, one end of each of the two lower punching die rods penetrates through the lower punching plate and is connected with the female die plate, the other end of each of the two lower punching die rods is contacted with the two lower punching inclined blocks, one end of each of the two lower punching check blocks is contacted with the two lower punching slide blocks, and the other end of each of the two lower punching check blocks penetrates through the three lower punching plates and the four lower punching plates in sequence and is connected with; three lower punching plates penetrate through the fixed guide pillar and are positioned between the two lower punching plates and the four lower punching plates, one end of each lower punching die rod penetrates through the lower punching plates and the two lower punching plates in sequence to be connected with the female die plate, the other end of each lower punching die rod penetrates through the four lower punching plates to be contacted with the three lower punching inclined blocks, one end of each lower punching stop block is contacted with the three lower punching slide blocks, and the other end of each lower punching stop block penetrates through the four lower punching plates to be connected with the stop block forming and adjusting device; the four lower punching plates penetrate through the fixed guide pillar and are positioned between the three lower punching plates and the stop block forming and adjusting device, one end of each four lower punching die rod sequentially penetrates through the three lower punching plates, the two lower punching plates and the lower punching plates to be connected with the female die plate, the other end of each four lower punching die rod is contacted with the four lower punching inclined blocks, one end of each four lower punching stop block is contacted with the four lower punching slide blocks, and the other end of each four lower punching stop block is connected with the stop block forming and adjusting device;
furthermore, the stop forming adjusting device of the multi-lower punching mechanism of the powder forming machine comprises an adjusting rod, and the position of the stop is adjusted through the adjusting rod.
Furthermore, the stop forming adjusting device of the multi-lower punch mechanism of the powder forming machine comprises an inclined ring mechanism, and the position of the stop is adjusted by adjusting the relative position of an upper inclined ring and a lower inclined ring.
Further, the stop forming adjusting device of the multi-lower punch mechanism of the powder forming machine comprises a threaded connection.
Preferably, the stopper forming adjusting device of the multi-lower punch mechanism of the powder forming machine may be a stopper forming adjusting plate or a stopper forming adjusting ring, and the stopper forming adjusting plate, the stopper forming adjusting ring, or a combination thereof may be used according to different product requirements.
Furthermore, the multi-lower punching mechanism of the powder forming machine also comprises a stop block layout system, which comprises a bottom plate, side stop blocks, a central stop block and a stop block forming adjusting device; the side stop block, the central stop block and the stop block forming and adjusting device are all arranged on the bottom plate; the central block is arranged at a position close to the geometric center of the bottom plate, and the side blocks are arranged around the central block;
furthermore, the block forming and adjusting device corresponding to the central block is arranged in the included angle range between the geometric central connecting line of one group of symmetrically arranged side blocks and the geometric central connecting line of the other group of symmetrically arranged side blocks
Furthermore, the side stop blocks are two lower punch stop blocks and three lower punch stop blocks, and the central stop block is a four lower punch stop block; the block forming adjusting devices corresponding to the four lower punch blocks are arranged in the range of included angles between the geometric center connecting lines of the two symmetrically arranged lower punch blocks and the geometric center connecting lines of the three symmetrically arranged lower punch blocks; the two lower punch stop blocks and the stop block forming and adjusting devices corresponding to the three lower punches are arranged in the direction parallel to the geometric center connecting line of the group of three lower punch stop blocks;
furthermore, the side stop blocks are two lower punch stop blocks and three lower punch stop blocks, and the central stop block is a four lower punch stop block; the geometric center connecting line of the two symmetrically arranged lower punch stops and the geometric center connecting line of the three symmetrically arranged lower punch stops form a vertical angle, and the stop forming adjusting devices corresponding to the four lower punch stops are arranged in the range of the vertical angle; the two lower punch stop blocks and the stop block forming and adjusting devices corresponding to the three lower punches are arranged in the direction parallel to the geometric center connecting line of the group of three lower punch stop blocks;
furthermore, two lower punch stop blocks are symmetrically arranged on two sides of the four lower punch stop blocks; the two lower punch stop blocks are symmetrically arranged on two sides of the four lower punch stop blocks; the two second lower punching stop blocks and the two third lower punching stop blocks are arranged around the four lower punching stop blocks in a staggered manner;
the invention also provides a powder forming machine, which is similar to the existing powder forming machine in other structures and simultaneously comprises any one of the multiple lower punching mechanisms.
In conclusion, the invention overcomes the difficulty in designing the multi-lower punching mechanism of the powder forming machine, provides a novel practical multi-lower punching mechanism design scheme, at least comprises three floating punching plates, and the powder forming machine applying the design scheme can be used for producing powder forming products with more complicated structures and more inner steps compared with products pressed by the existing powder forming machine, the density of the pressing products of complicated parts is uniform, the operation and the adjustment of the machine are simple and convenient, the labor intensity is reduced, the working efficiency is improved, the production cost is reduced, and the materials are saved.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a front view of a multiple undershoot mechanism;
FIG. 2 is a side view of a multiple undershoot mechanism;
FIG. 3 is a front view of a lower five-stroke mechanism;
FIG. 4 is a side view of a lower five stroke mechanism;
FIG. 5 is a view showing the positions of the main components of a bottom punch mechanism in a formed state;
FIG. 6 shows the positions of the main components of a bottom punch mechanism in the mold ejection state;
FIG. 7 is an enlarged view of a stop forming adjustment device of a lower five-punch mechanism;
FIG. 8 is a block layout of a bottom five-punch mechanism;
FIG. 9 is a front view of a bottom five stroke mechanism including a stop arrangement;
FIG. 10 is a side view of a bottom punch mechanism including a stop arrangement;
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, identical components of a mechanism are denoted by the same reference numerals, and various mechanisms or functionally similar components are denoted by similar reference numerals. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example 1:
as shown in fig. 1, 2, the multi-lower punch mechanism of the powder forming machine comprises a female die plate 3, a mandrel base plate 4, a fixed punch plate 1, a floating punch plate 2 and a base plate 5, which are fixed by a position limiting device 6 to maintain a position parallel to each other, wherein the floating punch plate 2 is made reciprocatable in a direction defined by the position limiting device 6 by a movement fixing device 7; the relative position between the floating punching plates 2 is adjustable; the floating punching plate 2 comprises corresponding position adjusting devices 8 so as to adjust the relative positions of the dies arranged on the punching plates in the die cavities of the female die plate 3, and simultaneously realize the demolding of the dies after the product is molded, thereby finishing the molding and demolding of the product. All punching plates can be independently provided with dies, so that a complete multi-lower punching mechanism is realized; the figure shows the structure of only 3 floating punching plates, and in practical design, the number of the floating punching plates can be more than 3.
Example 2:
as shown in fig. 3 and 4: the female die plate 4 is connected with the mandrel bottom plate 3 through a main guide post 1, and the main guide post 1 passes through a hollow mechanism of the fixed guide post 2 and can move in the direction limited by the fixed guide post 1; a lower punching plate 6 and a bottom plate 5 are arranged on the fixed guide post 2; the lower punching plate 6 is arranged at the position closest to the female die plate 3, the main guide post 1 passes through the lower punching plate 6 and is fixed on the fixed guide post 2, the second lower punching plate 7 passes through the fixed guide post 2 and is positioned between the lower punching plate 6 and the third lower punching plate 12, one end of the second lower punching die rod 8 passes through the lower punching plate 6 and is connected with the female die plate 3, the other end of the second lower punching die rod is contacted with the second lower punching inclined block 9, one end of the second lower punching stop block 9 is contacted with the second lower punching slide block 11, and the other end of the second lower punching stop block 9 sequentially passes through the third lower punching plate 12 and the fourth lower punching plate 17; three lower punching plates 12 penetrate through the fixed guide post 2 and are positioned between the two lower punching plates 7 and the four lower punching plates 17, one end of a three lower punching die rod 13 sequentially penetrates through the lower punching plate 6 and the two lower punching plates 7 to be connected with the female die plate 3, the other end of the three lower punching die rod penetrates through the four lower punching plates 17 to be contacted with three lower punching inclined blocks 14, one end of a three lower punching stop block 16 is contacted with three lower punching slide blocks 15, and the other end of the three lower punching stop block penetrates through the four lower punching plates 17 to be connected with a stop block forming adjusting device; the four lower punching plates 17 penetrate through the fixed guide post 2 and are positioned between the three lower punching plates 12 and the stop block forming adjusting device, one end 18 of each four lower punching die rod sequentially penetrates through the three lower punching plates 12, the two lower punching plates 7 and the lower punching plates 6 to be connected with the female die plate 3, the other end of each four lower punching die rod is in contact with the four lower punching inclined blocks 19, one end of each four lower punching stop block 21 is in contact with the four lower punching slide blocks 20, and the other end of each four lower punching stop block is connected with the stop block forming adjusting device.
As shown in fig. 5, the mechanism is in the forming state, taking three lower punch plates as examples marked in the figure: at the moment, the three lower punching die rods 13 are not contacted with the three lower punching inclined blocks 14, the three lower punching sliders 15 are contacted with the three lower punching stop blocks 16, and the dies in the three lower punching plates enter the female die plate 3 to form a member for powder forming;
as shown in fig. 6, the mechanism is in the mold-release state taking three lower punch plates as examples labeled in the figure: at the moment, one end of the three lower punching inclined block 14 is contacted with the three lower punching die rods 13, and the other end of the three lower punching inclined block 14 is an inclined surface and is contacted with the three lower punching slide blocks 15; when the three lower punching die rods 13 move along with the female die plate 3 towards the direction of the three lower punching sliders 15, the positions of the three lower punching inclined blocks 14 are driven to change, and then the position change is converted into the position change of the inclined planes at the other ends of the three lower punching inclined blocks 14, so that the positions of the three lower punching sliders 15 are driven to change; the lower three lower punch slide 15 is moved to a position out of contact with the lower three punch stops 16, at which time the three lower punch plate 12 can be moved to the ejection position for removal of the die from the die cavity.
The drawing also comprises two lower punching die rods 8, two lower punching inclined blocks 9, two lower punching slide blocks 10, two lower punching stop blocks 11, four lower punching die rods 18, four lower punching inclined blocks 19, four lower punching slide blocks 20 and four lower punching stop blocks 21, and the working mode of the drawing is the same as that of the three lower punching plates 12 by matching with the two lower punching plates 7 and the four lower punching plates 17.
The stopper forming adjustment device shown in fig. 7, wherein two lower stopper adjustment rods 24 are connected to two lower stopper adjustment lower plates 29 by screw threads, two lower stopper adjustment upper plates 28 are in inclined contact with two lower stopper adjustment lower plates 29, and two lower stoppers 11 are connected to two lower stopper adjustment upper plates 28; by adjusting the two lower bump stop adjusting rods 24, the relative contact position between the two lower bump stop adjusting upper plate 28 and the two lower bump stop adjusting lower plate 29 can be changed, and the inclination is converted into the position change of the two lower bump stop adjusting upper plate 28, so that the position adjustment of the two lower bump stops 11 can be realized.
The three lower punch block adjusting rods 25 are connected with the three lower punch block adjusting lower plates 31 in a threaded mode, the three lower punch block adjusting upper plates 30 are in inclined surface contact with the two lower punch block adjusting lower plates 31, and the three lower punch blocks 16 are connected with the three lower punch block adjusting upper plates 30; by adjusting the three lower punch stop adjusting rods 25, the relative contact position between the three lower punch stop adjusting upper plate 30 and the three lower punch stop adjusting lower plate 31 can be changed, and the position change of the three lower punch stop adjusting upper plate 30 is converted from the inclined surface, so that the position adjustment of the three lower punch stops 16 can be realized.
The four lower punch stop adjusting rods 26 are connected with a gear 32, the gear 32 is connected with a stop forming adjusting ring 22, and the four lower punch stops 21 are connected with the stop forming adjusting ring 22; the gear 32 is driven to rotate by adjusting the four lower punch stopper adjusting lever 26, and the rotation of the gear 32 drives the position change of the stopper forming adjusting ring 22, thereby achieving the position adjustment of the four lower punch stoppers 21.
Example 3:
as shown in fig. 8, 9 and 10, a lower five-punch stopper layout system applicable to the lower five-punch mechanism of the present invention includes a bottom plate 1, two lower punch stoppers 31, three lower punch stoppers 32, four lower punch stoppers 21, a stopper forming adjustment device 4, and a stopper forming adjustment plate 492. The stop forming adjusting device 4 is arranged on the stop forming adjusting plate 492, and the two lower punching stops 31, the three lower punching stops 32, the four lower punching stops 21 and the stop forming adjusting plate 492 are all arranged on the bottom plate 1; the four lower punch stops 21 are arranged at positions close to the geometric center of the bottom plate 1, the two lower punch stops 31 and the three lower punch stops 32 are arranged at the periphery of the four lower punch stops 21; the block forming adjusting device 4 corresponding to the four lower punch blocks 21 is arranged in the range of included angles between the geometric center connecting line of a group of two symmetrically arranged lower punch blocks 31 and the geometric center connecting line of a group of three symmetrically arranged lower punch blocks 32; the stop forming adjusting devices 4 corresponding to the two lower punch stops 31 and the three lower punch stops 32 are arranged in the direction parallel to the geometric center connecting line of a group of symmetrically arranged three lower punch stops 32;
example 4:
a powder forming machine, the other structures of which are the same as the existing powder forming machine, adopts the five-punch mechanism in the previous embodiment
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A powder forming machine multi-lower punching mechanism comprises a female die plate, a mandrel bottom plate, a fixed punching plate, a floating punching plate, a bottom plate, a limiting device, a movement fixing device and a position adjusting device; the female die plate, the mandrel bottom plate, the fixed punching plate, the floating punching plate and the bottom plate are fixed through a limiting device to keep the parallel positions; the female die plate and the mandrel bottom plate are connected with a limiting device; the floating punching plate can reciprocate in the direction limited by the limiting device through the movement fixing device; the relative position between the floating punching plates is adjustable; the floating punching plates are connected with corresponding position adjusting devices so as to adjust the relative positions of the dies arranged on the punching plates in the die cavities of the female die plate; the number of the floating punching plates is more than or equal to three.
2. The multi-lower punch mechanism of a powder forming machine according to claim 1, wherein the position adjusting means is a tapered wedge mechanism including a die-ejecting rod, a tapered block, a slide block and a stopper, the upper portion of the die-ejecting rod is connected to the female die plate, the lower portion of the die-ejecting rod is in contact with the top of the tapered block, the other end of the tapered block is a slope and is in contact with the slide block, and the position of the slide block is driven to change by the change in the position of the die-ejecting rod, which is converted into the change in the position of the slope at the other end of the tapered block, thereby driving the.
3. The multiple undershoot mechanism of powder forming machine according to claim 1, wherein said position adjusting means is a plurality of stopper forming adjusting means provided on the bottom plate, one end of the stopper is in contact with the slide block, and the other end of the stopper is connected to the stopper forming adjusting means; the forming adjusting device of the stop block can be adjusted to realize the adjustment of the relative distance between one end of the stop block, which is contacted with the slide block, and the bottom plate, thereby adjusting the forming position of the corresponding punching plate.
4. The multiple lower punch mechanism of a powder forming machine according to claim 3, wherein the stopper forming adjustment means includes an adjustment lever by which the position of the stopper is adjusted.
5. The multiple undershoot mechanism of a powder forming machine of claim 3, wherein said stop forming adjustment means includes a threaded connection.
6. The multiple lower punch mechanism of a powder forming machine according to claim 3, wherein the block forming adjustment means block further comprises a block forming adjustment plate or a block forming adjustment ring.
7. The multi-lower punch mechanism of the powder forming machine according to claims 1 to 6, wherein the multi-lower punch mechanism is a lower five-punch mechanism, the fixed punch plates are a lower punch plate and a five-lower punch base plate, and the floating punch plates are three in number, namely two lower punch plates, three lower punch plates and four lower punch plates.
8. The multiple lower punch mechanism of powder forming machine according to claim 7, wherein the limiting means is a plurality of main guide posts connected at both ends thereof to the female die plate and the bottom plate of the core rod, respectively, the movement fixing means is a fixed guide post, the fixed guide post is a hollow mechanism, and the main guide post passes through the hollow mechanism of the fixed guide post, so that the main guide post can reciprocate in a direction defined by the fixed guide post. The lower punching plate and the bottom plate are arranged on the fixed guide post, the five lower punching plates are arranged on the bottom plate, and the relative positions of the lower punching plate and the five lower punching plates are kept unchanged; the fixed guide post is arranged to penetrate through the two lower punching plates, the three lower punching plates and the four lower punching plates.
9. The multiple lower punch mechanism of a powder forming machine according to claim 8, wherein the multiple lower punch mechanism is provided as follows: the lower punch is arranged at the position closest to the female die plate, and the main guide post passes through the lower punch plate and is fixed on the fixed guide post; the two lower punching plates penetrate through the fixed guide pillar and are positioned between the lower punching plate and the three lower punching plates, one end of each of the two lower punching die rods penetrates through the lower punching plate and is connected with the female die plate, the other end of each of the two lower punching die rods is contacted with the two lower punching inclined blocks, one end of each of the two lower punching check blocks is contacted with the two lower punching slide blocks, and the other end of each of the two lower punching check blocks penetrates through the three lower punching plates and the four lower punching plates in sequence and is connected with; three lower punching plates penetrate through the fixed guide pillar and are positioned between the two lower punching plates and the four lower punching plates, one end of each lower punching die rod penetrates through the lower punching plates and the two lower punching plates in sequence to be connected with the female die plate, the other end of each lower punching die rod penetrates through the four lower punching plates to be contacted with the three lower punching inclined blocks, one end of each lower punching stop block is contacted with the three lower punching slide blocks, and the other end of each lower punching stop block penetrates through the four lower punching plates to be connected with the stop block forming and adjusting device; and the four lower punching plates penetrate through the fixed guide pillar and are positioned between the three lower punching plates and the stop block forming and adjusting device, one end of each four lower punching die rod sequentially penetrates through the three lower punching plates, the two lower punching plates and the lower punching plates to be connected with the female die plate, the other end of each four lower punching die rod is contacted with the four lower punching inclined blocks, one end of each four lower punching stop block is contacted with the four lower punching slide blocks, and the other end of each four lower punching stop block is connected with the stop block forming and adjusting device.
10. A powder forming machine comprising the multiple undershoot mechanism of any one of claims 1-6, or 8, 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911319037.XA CN110901143B (en) | 2019-12-19 | 2019-12-19 | A powder forming machine multi-down punch mechanism and a powder forming machine including the mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116275032A (en) * | 2023-02-28 | 2023-06-23 | 扬州市海力精密机械制造有限公司 | A formwork device for 5G multi-step powder product molding |
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| CN2715980Y (en) * | 2003-06-26 | 2005-08-10 | 吴宣 | Multi-step die carrier used for full-automatic dried powder hydrostatic machine |
| CN1631663A (en) * | 2004-12-22 | 2005-06-29 | 严培义 | Powder forming machine |
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| CN104353830A (en) * | 2014-11-11 | 2015-02-18 | 南通富仕液压机床有限公司 | Upper-three lower-five dry powder automatic forming formwork |
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| CN110901143B (en) | 2025-08-22 |
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