CN201111465Y - Demoulding device for powder press moulding machine - Google Patents
Demoulding device for powder press moulding machine Download PDFInfo
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- CN201111465Y CN201111465Y CNU2007201839118U CN200720183911U CN201111465Y CN 201111465 Y CN201111465 Y CN 201111465Y CN U2007201839118 U CNU2007201839118 U CN U2007201839118U CN 200720183911 U CN200720183911 U CN 200720183911U CN 201111465 Y CN201111465 Y CN 201111465Y
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- core bar
- powder press
- mould
- fine powder
- press molding
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Abstract
The utility model provides a demoulding device of a powder press moulding machine, belonging to the mechanical technical field. The demoulding device solves the problems that the demoulding device of the existing powder press moulding machine has complex structure, poor stability, low precision and troublesome adjustment. The demoulding device of the powder press moulding machine is arranged on the die base of the powder press moulding machine and comprises a demoulding mechanism used for demoulding; the die base is also provided with a hydraulic cylinder; the piston rod of the hydraulic cylinder is connected with the demoulding mechanism; furthermore, a control mechanism which can control the up-and-down moving stroke of the demoulding mechanism is arranged between the die base and the demoulding mechanism. The demoulding device of the powder press moulding machine is characterized by simple structure, easy adjustment, good stability and high precision.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of fine powder press molding machine, particularly the stripper apparatus of the fine powder press molding machine that the workpiece made is deviate from from mould.
Background technology
Its manufacturing process of workpiece that adopts the die casting of polytetrafluorethylepowder powder raw material to form is simple, manufacturing cost is lower.Therefore, fine powder press molding machine is extensive use of in machining.Usually, fine powder press molding machine comprises a mould and is positioned at the staking punch on mould top that staking punch presses down can be with the powder stock compression moulding at mould place.
The mould of existing a kind of fine powder press molding machine is made up of mould seat, material storing mass and demoulding body; material storing mass is connected in and is provided with the material hole on the mould seat and on material storing mass; demoulding body is made up of the core bar cover that is connected in the core bar on the mould seat and be enclosed within on the core bar, and core bar and core bar cover all are arranged in the material hole.On mould, also be provided with an adjusting device, can regulate core bar cover top by this adjusting device and be in the upper-lower position of expecting in the hole, thereby reach the purpose of the workpiece of processing different-thickness.Need workpiece is deviate from from mould after workpiece processes, put at core bar and be connected with mould emptier, mould emptier promotes the core bar cover and upwards workpiece is released.And existing mould emptier is to adopt connecting a push rod on core bar, is with spring on push rod, and an end of spring withstands on the mould seat, and the other end withstands on the push rod.Be connected with connecting rod between push rod and the mould seat, the two ends of this connecting rod all adopt hinged mode to connect, and a cam is set on connecting rod, be used to promote connecting rod push rod is moved up.Spring plays the effect that resets.
As can be seen, this mould emptier complex structure needs cam, linkage to realize.Secondly, adopt linkage, in use, because the error that wearing and tearing and assembling produce makes this mould emptier poor stability.In addition, need distance how long to come during the demoulding, make that like this actuating length precision of the demoulding is not high according to cam, can not allow workpiece deviate from sometimes, when the thickness of workpiece is adjusted to some extent, need reselect cam, so just need to be equipped with the cam of multiple model, brought trouble to adjustment.
Summary of the invention
The purpose of this utility model is that the stripper apparatus at existing fine powder press molding machine exists above-mentioned shortcoming, the stripper apparatus of the fine powder press molding machine that provide a kind of adjustment simple in structure, easy, stablize, precision is high.
The purpose of this utility model can realize by following technical proposal: a kind of stripper apparatus of fine powder press molding machine; be arranged on the mould seat of fine powder press molding machine; comprise the mould emptier that is used for the demoulding; it is characterized in that; also be provided with hydraulic cylinder on the described mould seat; the piston rod of hydraulic cylinder is connected with above-mentioned mould emptier, and is provided with between mould seat and mould emptier and can limits the controlling organization that mould emptier moves up and down stroke.
The stripper apparatus of this fine powder press molding machine is the device that is used for the workpiece that suppresses is deviate from from mould.This stripper apparatus is to realize by above-mentioned mould emptier, and the power of mould emptier is by directly providing by hydraulic cylinder, save other mechanisms between mould emptier and the hydraulic cylinder, structure is become simply, and stability uprises.In addition, the stroke that the piston of hydraulic cylinder moves up and down has controlling organization to realize, is noted that here this controlling organization can adjust the stroke that piston moves up and down according to the situation of reality.In addition, except using hydraulic cylinder as power, other can directly produce parallel mobile power source such as cylinder etc. and all be fine.
In the stripper apparatus of above-mentioned fine powder press molding machine; described controlling organization comprises the travel switch of parallel arranged about two that are arranged on the mould seat; above-mentioned mould emptier does not touch another travel switch in the time of can touching with one of them travel switch, the control loop of travel switch is connected with corresponding solenoid valve in the hydraulic cylinder oil circuit.
During a travel switch, corresponding solenoid valve makes the magnetic valve action in the control loop of the travel switch control hydraulic cylinder oil circuit, like this on mould emptier touches; the oil circuit of hydraulic cylinder is connected; the piston rod of hydraulic cylinder pulls down, and mould emptier is moved down, and mould emptier has both resetted.On the contrary, during a travel switch, mould emptier stops to descend below mould emptier touches, and after workpiece made, the piston rod of hydraulic cylinder upwards pushed away, and mould emptier is moved up, and both mould emptier was deviate from workpiece.
As another kind of situation; in the stripper apparatus of above-mentioned fine powder press molding machine; described controlling organization comprises be arranged on the mould emptier two travel switches of parallel arranged up and down, and whether above-mentioned mould seat be provided with the touching lever that can or not another travel switch when one of them travel switch contacts.Above travel switch when running into touching lever, mould emptier stops to descend down, after workpiece made, mould emptier moved up; Below travel switch when running into touching lever, mould emptier moves down.
In the stripper apparatus of above-mentioned fine powder press molding machine; described mould emptier comprises the material storing mass that is connected on the mould seat and is used for the demoulding body of the demoulding; be provided with connecting plate below the demoulding body; be fixed with the some guide rods that are used to lead between demoulding body and connecting plate, above-mentioned piston rod and connecting plate are connected.
In the stripper apparatus of above-mentioned fine powder press molding machine; described material storing mass is provided with and runs through its material hole up and down; demoulding body is by cylindrical core bar and be core bar cylindraceous cover and form; the external diameter of core bar is positioned at above-mentioned center, material hole less than the aperture in material hole and the top of core bar; the bottom of core bar is connected on the mould seat, and the core bar cover is enclosed within on the core bar and the top of core bar cover also is positioned at the material hole.
The top of common core bar is mutually concordant with the aperture on material top, hole when the compacting workpiece, and the top of core bar cover is a little less than the aperture, top in material hole.After raw material was delivered to place, material hole, the staking punch of fine powder press molding machine pressed down, and just the powder stock at place, material hole can be compressed to the workpiece of round.Obviously, the thickness of round workpiece is determined by the upper-lower position that the core bar cover is in the material hole.
In the stripper apparatus of above-mentioned fine powder press molding machine; the bottom of described core bar is with the regulating sleeve that is connected on the mould seat; the upper end of regulating sleeve withstands on core bar and puts; middle part at regulating sleeve is with control agent; control agent and regulating sleeve are by being threaded, and the bottom that is positioned at above-mentioned core bar cover of control agent.
Control agent can be regulated the position of core bar cover, thus the thickness of workpiece that correspondingly reaches control and processed.Because regulating sleeve is connected by screw thread with control agent, and regulating sleeve be connected on the mould seat fixed.Like this, rotate in the process of control agent, control agent will move up and down along regulating sleeve.Move past on the control agent and will extrude core bar in the journey and put and move, make that the top of core bar cover is nearer apart from the aperture, top in material hole, that is to say that the round workpiece that is suppressed is thinner; When control agent moved down, core bar was enclosed within the self gravitation effect and is resisted against on the control agent along with control agent together moves down, and made that the top of core bar cover is far away apart from the aperture, top in material hole, that is to say that the round workpiece that is suppressed is thicker.
In the stripper apparatus of above-mentioned fine powder press molding machine, described guide rod is made up of top guide bar and lower guide rod, is connected with universal joint between top guide bar and the lower guide rod.Like this, top guide bar can carry out the adjusting of trace, moves up and down in the material hole that core bar is enclosed within material storing mass and material hole and core bar cover are interfered to adapt to.
In the stripper apparatus of above-mentioned fine powder press molding machine, described control agent has two.The control agent here generally adopts nut shape, can conveniently regulate like this.A last control agent plays the effect of adjusting, and next control agent is the effect to last control agent locking.
Compared with prior art, the stripper apparatus of this fine powder press molding machine has following advantage:
1, the travel switch of parallel arranged was realized about the controlling organization of the stripper apparatus of this fine powder press molding machine adopted two, and like this, the distance of adjusting two travel switches just can be adjusted the stroke of mould emptier, made to adjust to become convenient.
2, the piston rod with hydraulic cylinder directly is connected with connecting plate in the stripper apparatus of this fine powder press molding machine, has saved the syndeton between the two, and structure becomes simply, and stability is improved.
Description of drawings
Fig. 1 is the structural representation of the stripper apparatus of this fine powder press molding machine among the embodiment 1.
Fig. 2 is the structural representation of the stripper apparatus of this fine powder press molding machine among the embodiment 2.
Among the figure, hydraulic cylinder 1; Mould seat 2; Shelf 21; Material storing mass 3; Material hole 31; Demoulding body 4; Connecting plate 5; Guide rod 6; Top guide bar 61; Lower guide rod 62; Core bar 7; Core bar cover 8; Convex shoulder 81; Fixed head 9; Regulating sleeve 10; Control agent 11; Universal joint 13; Piston rod 14; Travel switch 15; Staking punch 16; Touching lever 17.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Embodiment 1:
As shown in Figure 1, the stripper apparatus of this fine powder press molding machine is arranged on the mould seat 2, comprises the mould emptier that is used for the demoulding, is used to drive the hydraulic cylinder 1 of mould emptier work and the controlling organization that the restriction mould emptier moves up and down stroke.The stripper apparatus of this fine powder press molding machine is arranged on the mould, is the device that is used for the workpiece that suppresses is deviate from from mould.
Specifically; mould emptier comprises material storing mass 3, demoulding body 4, connecting plate 5 and two guide rods 6; material storing mass 3 is connected on the mould seat 2; material storing mass 3 is provided with and runs through its material hole 31 up and down; demoulding body 4 is by cylindrical core bar 7 and be core bar cover 8 cylindraceous and form; the external diameter of core bar 7 is positioned at 31 centers, material hole less than the aperture in material hole 31 and the top of core bar 7, and the bottom of core bar 7 is connected on the mould seat 2, and core bar cover 8 is enclosed within on the core bar 7 and the top of core bar cover 8 also is positioned at material hole 31.Core bar cover 8 is embedded on the fixed head 9, is provided with convex shoulder 81 in the outside of core bar cover 8, and fixed head 9 withstands on this convex shoulder 81, like this, guarantees to promote core bar cover 8 by fixed head 9 promotion convex shoulders 81 and moves up.
In order to reach the thickness of workpiece that control processes, the bottom of core bar 7 is with the regulating sleeve 10 that is connected on the mould seat 2, the upper end of regulating sleeve 10 withstands on the core bar cover 8, be with control agent 11 at the middle part of regulating sleeve 10, control agent 11 and regulating sleeve 10 are by being threaded, and the bottom that is positioned at above-mentioned core bar cover 8 of control agent 11.Control agent 11 in this example is nut type, has two up and down; A last control agent plays the effect of adjusting, and next control agent is the effect to last control agent locking.
Because core bar cover 8 will move in material hole 31, and core bar cover 8 is to cooperate the powder stock that makes in the material hole 31 can not spill with material hole 31, therefore, in order to guarantee core bar cover 8 perpendicularity that move, below fixed head 9, be provided with connecting plate 5, between fixed head 9 and connecting plate 5, be fixed with two guide rods that are used to lead 6.Mould seat 2 has two-layer up and down, and fixed head 9 and demoulding body 4 all are positioned at mould seat 2 upper strata, and connecting plate 5 is positioned at lower floor, and these two guide rods 6 are that shelf 21, one ends that pass mould seat 2 are connected on the fixed head 9, and the other end is fixed on the connecting plate 5.Guide rod 6 is made up of top guide bar 61 and lower guide rod 62, is connected with universal joint 13 between top guide bar 61 and the lower guide rod 62.Like this, top guide bar 61 can carry out micro-adjusting, moves up and down and can not make material hole 31 and core bar cover 8 to interfere in the material hole 31 of material storing mass 3 to adapt to core bar cover 8.
Hydraulic cylinder 1 is fixed on the mould seat 2, the piston rod 14 of hydraulic cylinder 1 is connected on the connecting plate 5, controlling organization is arranged on the mould seat 1, this controlling organization comprises the travel switch 15 of parallel arranged about two that are arranged on the mould seat, connecting plate 5 does not touch another travel switch in the time of can touching with one of them travel switch, the control loop of travel switch 15 is connected with corresponding solenoid valve in the hydraulic cylinder oil circuit.During a travel switch 15, corresponding solenoid valve makes the magnetic valve action in the control loop of the travel switch control hydraulic cylinder oil circuit, like this on connecting plate 5 touches; the oil circuit of hydraulic cylinder is connected; the piston rod 14 of hydraulic cylinder 1 pulls down, and mould emptier is moved down, and mould emptier has both resetted.On the contrary, during a travel switch 15, mould emptier is slack below connecting plate 5 touches, and after workpiece compression moulding by the time, the piston rod 14 of hydraulic cylinder 1 upwards pushes away, and mould emptier is moved up, and both mould emptier was deviate from workpiece.
Because the thickness of workpiece is to adjust according to the situation of reality, therefore, a top stroke closes that to open 15 be fixed, and following travel switch 15 is adjusted distance with a top travel switch 15 according to the thickness of workpiece.
The top of common core bar 7 is mutually concordant with the aperture on material 31 tops, hole when the compacting workpiece, and the top of core bar cover 8 is a little less than the aperture, top in material hole 31.After raw material was delivered to material 31 places, hole, the staking punch 16 of fine powder press molding machine pressed down, and just the powder stock at material 31 places, hole can be compressed to the workpiece of round.After suppressing, staking punch 16 resets, and mould emptier ejects workpiece, and in this process, mould emptier is run into top travel switch 15, makes the magnetic valve action in the hydraulic cylinder oil circuit, makes piston rod 14 mould emptier of leaving behind; Travel switch 15 below running into, mould emptier is slack, and after workpiece compression moulding by the time, mould emptier upwards ejects workpiece, continues the circulation primary process.
Embodiment 2:
As shown in Figure 2; the content of embodiment 2 is identical with embodiment 1 substantially; different is controlling organization comprises be arranged on the mould emptier two travel switches of parallel arranged up and down, mould seat 2 are provided with the touching lever 17 that can or not another travel switch 15 when one of them travel switch 15 contacts.Below travel switch 15 when running into touching lever 17, mould emptier moves down; Above travel switch 15 when running into touching lever 17, mould emptier is slack, after workpiece compression moulding by the time, mould emptier moves up;
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used hydraulic cylinder 1 morely; Mould seat 2; Shelf 21; Material storing mass 3; Material hole 31; Demoulding body 4; Connecting plate 5; Guide rod 6; Top guide bar 61; Lower guide rod 62; Core bar 7; Core bar cover 8; Convex shoulder 81; Fixed head 9; Regulating sleeve 10; Control agent 11; Universal joint 13; Piston rod 14; Travel switch 15; Staking punch 16; Touching lever 17 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (8)
1, a kind of stripper apparatus of fine powder press molding machine; be arranged on the mould seat (2) of fine powder press molding machine; comprise the mould emptier that is used for the demoulding; it is characterized in that; also be provided with hydraulic cylinder (1) on the described mould seat (2); the piston rod (14) of hydraulic cylinder (1) is connected with above-mentioned mould emptier, and is provided with between mould seat (2) and mould emptier and can limits the controlling organization that mould emptier moves up and down stroke.
2, the stripper apparatus of fine powder press molding machine according to claim 1; it is characterized in that; described controlling organization comprises the travel switch (15) of parallel arranged about two that are arranged on the mould seat (2); whether above-mentioned mould emptier can or not another travel switch (15) with one of them travel switch (15) when touching, the control loop of travel switch (15) is connected with corresponding solenoid valve in hydraulic cylinder (1) oil circuit.
3, the stripper apparatus of fine powder press molding machine according to claim 1; it is characterized in that; described controlling organization comprises the travel switch (15) of parallel arranged about two that are arranged on the mould emptier, and whether above-mentioned mould seat (2) be provided with the touching lever (17) that can or not another travel switch (15) with one of them travel switch (15) when contacting.
4, according to the stripper apparatus of claim 1 or 2 or 3 described fine powder press molding machines; it is characterized in that; described mould emptier comprises material storing mass (3) that is connected on the mould seat (2) and the demoulding body (4) that is used for the demoulding; be provided with connecting plate (5) below the demoulding body (4); be fixed with the some guide rods that are used to lead (6) between demoulding body (4) and connecting plate (5), above-mentioned piston rod (14) is connected with connecting plate (5).
5, the stripper apparatus of fine powder press molding machine according to claim 4; it is characterized in that; described material storing mass (3) is provided with and runs through its material hole (31) up and down; demoulding body (4) is by cylindrical core bar (7) and be core bar cover cylindraceous (8) and form; the external diameter of core bar (7) is positioned at above-mentioned center, material hole (31) less than the aperture in material hole (31) and the top of core bar (7); the bottom of core bar (7) is connected on the mould seat (2), and core bar cover (8) is enclosed within on the core bar (7) and the top of core bar cover (8) also is positioned at material hole (31).
6, the stripper apparatus of fine powder press molding machine according to claim 5; it is characterized in that; the bottom of described core bar (7) is with the regulating sleeve (10) that is connected on the mould seat (2); the upper end of regulating sleeve (10) withstands on the core bar cover (8); be with control agent (11) at the middle part of regulating sleeve (10); control agent (11) and regulating sleeve (10) are by being threaded, and the bottom that is positioned at above-mentioned core bar cover (8) of control agent (11).
According to the stripper apparatus of claim 5 or 6 described fine powder press molding machines, it is characterized in that 7, described guide rod (6) is made up of top guide bar (61) and lower guide rod (62), be connected with universal joint (13) between top guide bar (61) and the lower guide rod (62).
8, the stripper apparatus of fine powder press molding machine according to claim 6 is characterized in that, described control agent (11) has two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201839118U CN201111465Y (en) | 2007-09-29 | 2007-09-29 | Demoulding device for powder press moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201839118U CN201111465Y (en) | 2007-09-29 | 2007-09-29 | Demoulding device for powder press moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201111465Y true CN201111465Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201839118U Expired - Fee Related CN201111465Y (en) | 2007-09-29 | 2007-09-29 | Demoulding device for powder press moulding machine |
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| Country | Link |
|---|---|
| CN (1) | CN201111465Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173098A (en) * | 2011-01-07 | 2011-09-07 | 苏光宝 | Discharging mechanism of powder molding press |
| CN103331407A (en) * | 2013-07-04 | 2013-10-02 | 天津市天锻压力机有限公司 | Automatic cooling system of upper demoulding mechanism of wheel forging forming hydraulic press |
| CN106040901A (en) * | 2016-08-05 | 2016-10-26 | 无锡市天龙装饰材料有限公司 | Stamping machine provided with automatic pop-out function and used for hardware fitting manufacturing |
| CN106142656A (en) * | 2016-08-30 | 2016-11-23 | 福建南安市华天机械有限公司 | The charging of a kind of automatic Powder forming press and mould emptier |
| CN107297714A (en) * | 2016-04-14 | 2017-10-27 | 屈家发 | A kind of electromagnetic impact hammer |
-
2007
- 2007-09-29 CN CNU2007201839118U patent/CN201111465Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173098A (en) * | 2011-01-07 | 2011-09-07 | 苏光宝 | Discharging mechanism of powder molding press |
| CN102173098B (en) * | 2011-01-07 | 2015-08-12 | 苏光宝 | Discharging mechanism of powder molding press |
| CN103331407A (en) * | 2013-07-04 | 2013-10-02 | 天津市天锻压力机有限公司 | Automatic cooling system of upper demoulding mechanism of wheel forging forming hydraulic press |
| CN107297714A (en) * | 2016-04-14 | 2017-10-27 | 屈家发 | A kind of electromagnetic impact hammer |
| CN106040901A (en) * | 2016-08-05 | 2016-10-26 | 无锡市天龙装饰材料有限公司 | Stamping machine provided with automatic pop-out function and used for hardware fitting manufacturing |
| CN106142656A (en) * | 2016-08-30 | 2016-11-23 | 福建南安市华天机械有限公司 | The charging of a kind of automatic Powder forming press and mould emptier |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20160929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |