CN101913266A - Double upper-inner impacting stroke adjusting device of powder forming machine - Google Patents
Double upper-inner impacting stroke adjusting device of powder forming machine Download PDFInfo
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- CN101913266A CN101913266A CN2010102304465A CN201010230446A CN101913266A CN 101913266 A CN101913266 A CN 101913266A CN 2010102304465 A CN2010102304465 A CN 2010102304465A CN 201010230446 A CN201010230446 A CN 201010230446A CN 101913266 A CN101913266 A CN 101913266A
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Abstract
The invention relates to a double upper-inner stroke adjusting device of a powder forming machine, which comprises an upper impacting seat, an outer impacting seat, an inner impacting cylinder and an inner impacting seat with a piston part on the upper end. The double upper-inner stroke adjusting device is characterized by also comprising an adjusting sleeve with an outer thread, a worm gear with a threaded hole, a worm meshed with the worm wheel and a locking device, wherein the adjusting sleeve is sleeved on the inner impacting seat and can slip up and down, and a keyway is arranged on the upper part of the side wall of the adjusting sleeve along an axial direction; the worm wheel is arranged in an upper cavity of the upper impacting seat, the adjusting sleeve is connected in the threaded hole of the worm wheel in a threaded way, the upper end face of the upper impacting seat is fixed with a worm wheel pressure plate which is fixed with a positioning key matched with the keyway; both ends of the worm are supported in the upper impacting seat through bearings, and one end of the worm is exposed out of the upper impacting seat; and the locking device is arranged on the outer part of the upper impacting seat and can lock the worm extending out from the upper impacting seat so as to stop that the worm rotates along an axle per se. The adjusting device has the advantages of simpler structure, convenient assembly, high transmission stability, strong self-locking capability and the like.
Description
Technical field
The present invention relates in a kind of powder former and the multilayer lower bolster of mould bases is used two upper punch mechanism, relate in particular to a kind of double upper-inner impacting stroke adjusting device of powder former.
Background technology
Powder former is dissimilar in processing, during the pulverulent product of different-thickness, because of stroke in different size, except that needs transposing mould, also need on the upper surface of inner rush seat, stick on different size, the cushion block of thickness is regulated, adjustment process needs experienced staff to operate, otherwise can be because of the thickness of cushion block or size incorrect, can not once regulate and reach the stroke requirement, but also in the need general, outer red seat is taken apart, again changing cushion block again regulates once more, workload is big, labour intensity is big, the mounting or dismounting trouble, regulating badly will directly influence Products Quality and production efficiency, also need make the high auxiliary of a collection of precision simultaneously, as various pads, the cushion block auxiliary member is for regulating, select to use.
As a patent No. is a kind of inner punch pin regulating mechanism the Chinese invention patent " inner punch pin regulating mechanism for powder forming machine " of ZL200610052506.2 (notification number is CN100410067C) has disclosed, comprise that the qi of chong channel ascending adversely guide bracket outer surface by the tape guide pipe is connected with adjusting nut, inner surface is joined with outer red seat cunning, upper surface is fixed into one with band the interior of wireway towards cylinder body, inner rush seat and interior towards cylinder body, the qi of chong channel ascending adversely guide bracket, outer red seat cunning is joined, and pass adjusting nut and constitute fixture, comprise that also the adjusting device that has locking device that is fixed on the fixture forms, also be fixed with seal receptacle and the rotating shaft that has idler gear on the described qi of chong channel ascending adversely guide bracket, be connected with adjusting gear on the inner rush seat.The worm screw that only need pull in the adjusting device is rotated, make with the adjustment gear of its engagement by idler gear and to rotate, the drive inner rush seat moves, reach the purpose of adjustment stroke, easy for operation, or else need dismantle whole pair of upper punch mechanism, do not need to make again simultaneously auxiliary spacer, reduce cost, enhance productivity.
But there is following defective in the inner punch pin regulating mechanism that aforementioned patent relates to:
1, the guiding mechanism critical piece comprise seal receptacle, be threaded in adjusting gear, the band idler gear of the bar portion of inner rush seat rotating shaft, be arranged on the worm screw on the support and be arranged on the support locking device in order to the locking worm screw, so the critical piece that this structure relates to is many, complex structure, but also need be in the bar portion of inner rush seat threading, processing difficulties; And owing to adjusting gear when working moves up and down the end face that can strike the qi of chong channel ascending adversely guide bracket, can make like this between the bar portion of adjusting gear and inner rush seat be threaded impaired, just need to change inner rush seat and adjusting gear, and the manufacturing cost height of inner rush seat, so also there is the high defective of maintenance cost in this guiding mechanism.
2, the running part in the guiding mechanism mainly cooperates spur gear to carry out transmission by worm screw, being equivalent to a contact between worm screw and the spur gear cooperates, and because the restriction of this body structure, worm screw must and only depend on monolateral being supported on the support, be equivalent to cantilever beam and support, worm screw easily rocks in transmission process like this, comprehensive above factor, the running part driving force of this guiding mechanism is little, and transmission stability is poor.
3, the inner rush seat in the guiding mechanism (piston) needs twice location, when mounted promptly, to cooperate with interior location adjusting block earlier, then want inner rush seat to cooperate again with the location of adjusting block towards cylinder body, therefore the location that dashes in is unreliable, causes the damage with the fixing mould of inner rush seat easily.
4, the locking device in the guiding mechanism relates to the many and complex structure of parts, and needs slowly to regulate inconvenient operation during locking.
In sum, the double upper-inner impacting stroke adjusting device of existing powder former also can be further improved.
Summary of the invention
Technical problem to be solved by this invention be provide at above-mentioned prior art present situation a kind of rational in infrastructure, transmission stability good and interior towards the stroke adjustment double upper-inner impacting stroke adjusting device of powder former easily.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of double upper-inner impacting stroke adjusting device of powder former, comprise rush-up seat, and the lower surface of rush-up seat has following cavity, and the upper surface of rush-up seat has last cavity; Outer red seat is provided in the following cavity of rush-up seat; In towards cylinder body, be fixed on the rush-up seat top, interiorly between cylinder body and rush-up seat, surround air chamber, interiorly on the sidewall of cylinder body, have last gas port and the following gas port that communicates with described air chamber; The upper end has the inner rush seat of piston portion, piston portion and described gas chamber sidewall cunning are joined and hermetic seal, the described gas port of going up communicates with the air chamber of piston portion top, and following gas port communicates with the air chamber of piston portion below, and the lower end of described inner rush seat is passed rush-up seat and outer red seat and sliding joining successively; It is characterized in that; Also comprise having externally threaded adjustment cover, this adjustment cover is positioned at the last cavity of rush-up seat and is set in slippage up and down on the inner rush seat, adjusts the cover side wall upper part and in axial direction is provided with strong groove; Worm gear with screwed hole, be arranged in the last cavity of rush-up seat, described adjustment external threading is connected in the screwed hole of worm gear, the upper surface of described rush-up seat is fixed with the worm gear pressing plate of this worm gear axial limiting in last cavity, also is fixed with the positioning key that cooperates with described strong groove on this worm gear pressing plate; With described worm gear engaged worm, this worm screw level is located in the rush-up seat and can be around self axis rotation, and in rush-up seat, and the end of worm screw exposes outside rush-up seat by sleeve supporting at the two ends of worm screw; Locking device is arranged on the outside of rush-up seat, and the worm screw locking that this locking device can stretch out from rush-up seat is to stop worm screw around self axis rotation.
Be equipped with first guide finger on the above-mentioned piston portion, have first pilot hole that first guide finger is carried out guide-localization on the upper surface of rush-up seat, described first guide finger is passed down through behind the worm gear pressing plate and the described first pilot hole inserting.Inner rush seat only just can be finished the location of the relative rush-up seat of inner rush seat by the cooperation between first guide finger and first pilot hole, it belongs to one-time positioning, and the installation location is convenient and precision is high.
Above-mentioned outer red seat cunning fits in the following cavity of rush-up seat, the periphery of the following cavity adjusting nut that has been threaded, the bottom of the screwed hole of adjusting nut has invagination and carries out the annular rib of lower limit with external red seat, also has on the described rush-up seat to connect the described air guide channel of the roof of cavity down.Rotate adjusting nut just can increase or reduce outer red seat in descending cavity about the spacing of slippage, thereby can suppress the part of differing heights, and after adjusting nut is fully upwards tightened, the outwash toilet is positioned in down in the cavity and can not moves, and this outer red seat is provided in down the utilization rate that the interior mode of cavity can increase powder former.
Be equipped with second guide finger on the above-mentioned outer red seat, have second pilot hole that second guide finger is carried out guide-localization on the roof of following cavity, described second guide finger and the described first pilot hole inserting.Outer red seat only just can be finished the location of the relative rush-up seat of outer red seat by the cooperation between second guide finger and second pilot hole, it belongs to one-time positioning, and the installation location is convenient and precision is high.
Have the tapped through hole that communicates with described cavity down on the sidewall of above-mentioned adjusting nut, the tapped through hole internal thread is connected with the energy contact holding screw of red seat outer peripheral face outside.Auxiliary top by the external red seat of holding screw is supported, can be with the more firm rush-up seat bottom that is combined in of adjusting nut.
Also be equipped with the adjustment block in the air chamber of above-mentioned piston portion top, adjust that block top has groove, be provided with the adjustment piece in this groove, cooperate for the inclined-plane between the bottom surface of this bottom surface of adjusting piece and described groove, on cylinder side wall, be fixed with Adjusting bolt Adjusting screw in described, the Adjusting bolt Adjusting screw internal thread is connected with the adjustment screw, and this adjustment screw the inner is connected with described adjustment piece after passing the rush-up seat sidewall.Drive the slippage of adjusting piece by rotate adjusting screw, and then drive and adjust block moving up and down in air chamber, can regulate the extreme position that inner rush seat moves in air chamber, play in the auxiliary adjustment effect towards stroke.
Above-mentioned locking device comprises the support that is fixed on the rush-up seat sidewall, and the worm screw that exposes outside rush-up seat passes the sidewall of described support, and the lock-screw of energy contact at the worm screw outer peripheral face that be threaded on the sidewall of this support.This locking device relates to the few and easy structure of parts, and easy to operate, only need turn lock-screw and get final product.Certainly also can adopt alignment pin and the inserting that is arranged on the locating hole on the worm screw to position between the sidewall of worm screw and support.
Be provided with in the above-mentioned support in order to worm screw is rotated the counter that the number of turns is counted.Counter also can change dial into, can show according to the number of degrees of counter like this, and worm screw is once adjusted to the right place, and is easy to adjust.
Compared with prior art, the invention has the advantages that: this adjusting device mainly drives worm gear by the rotation of adjusting axle and rotates, and then the adjustment cover slide down that drive is set on the inner rush seat is moved, change the spacing between the lower surface of adjusting the piston portion that puts end face and inner rush seat top, the stroke adjustment of dashing in final the realization, therefore interior convenient towards stroke adjustment; This adjusting device is compared with prior art and has been saved the middle transition gear, and structure is simpler, assembling is also convenient; Need not threading on the inner rush seat, the processing cost of inner rush seat is low, and after the long-term work, inner rush seat is not fragile yet, and maintenance cost is low; Transmission in this device is the cooperation of worm gear and worm screw, and the contact between worm gear and the worm screw belongs to face contact, transmission stability height successively, and also self-lock ability is strong; Because the design feature of this device, worm screw are fit to adopt, its two ends are supported in the rush-up seat by axle sleeve worm screw are located, and the transmission stability of worm screw is better like this, is difficult for rocking.
Description of drawings
Fig. 1 is the structure cutaway view schematic diagram (interior towards stroke adjustment to less state) of the embodiment of the invention;
Fig. 2 for the A-A of Fig. 1 to cutaway view (interior is maximum rating towards stroke);
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～3, be a preferred embodiment of the present invention.
A kind of double upper-inner impacting stroke adjusting device of powder former comprises
Rush-up seat 1, the lower surface of rush-up seat 1 have following cavity 11, and the periphery wall of following cavity 11 is provided with external screw thread, and the upper surface of rush-up seat 1 has last cavity 12.
Outer red seat 2, sliding fitting in the following cavity 11 of rush-up seat is equipped with second guide finger 17 on the outer red seat 2, have second pilot hole, 18, the second guide fingers 17 and 18 insertings of described first pilot hole that second guide finger 17 carried out guide-localization on the roof of following cavity 11.
Adjusting nut 15 is threaded in down the periphery of cavity 11, and the bottom of the screwed hole of adjusting nut 15 has invagination and carries out the annular rib 151 of lower limit with external red seat 2, also has on the rush-up seat 1 and connects the air guide channel 16 of the roof of cavity 11 down.Have the tapped through hole 152 that communicates with described cavity 11 down on the sidewall of adjusting nut 15, tapped through hole 152 internal threads are connected with the energy contact holding screw 19 of red seat 2 outer peripheral faces outside.
Have the interior of cavity, be fixed on rush-up seat 1 top towards cylinder body 3, interior towards the air chamber 4 that surrounds relative closure between cylinder body 3 and the rush-up seat 1, interior last gas port 31 and the following gas port 32 that communicates with air chamber 4 that have on the sidewall of cylinder body 3.
The upper end has the inner rush seat 5 of piston portion 51, piston portion 51 is joined and hermetic seal with air chamber 4 sidewall cunnings, be equipped with first guide finger 13 on the piston portion 51, have first pilot hole, 14, the first guide fingers 13 that first guide finger 13 is carried out guide-localization on the upper surface of rush-up seat 1 and be passed down through worm gear pressing plate 8 backs and 14 insertings of first pilot hole.Last gas port 31 communicates with the air chamber 4 of piston portion 51 tops, following gas port 32 communicates with the air chamber 4 of piston portion 51 belows, the lower end of inner rush seat 5 is passed rush-up seat 1 and outer red seat 2 and sliding joining, also sealing between the outer peripheral face of inner rush seat 5 and rush-up seat 1 and the outer red seat 2 simultaneously successively.
Adjust block 20, sliding fitting in the air chamber 4 of piston portion 51 tops, adjust that block 20 tops have groove 201, be provided with in this groove 201 and adjust piece 21, cooperate for the inclined-plane between the bottom surface of this bottom surface of adjusting piece 21 and groove 201, in on cylinder body 3 sidewalls, be fixed with Adjusting bolt Adjusting screw 22, Adjusting bolt Adjusting screw 22 internal threads are connected with adjusts screw 23, these adjustment screw 23 the inners are passed behind rush-up seat 1 sidewall and are adjusted piece 21 and be connected.
Have externally threaded adjustment cover 6, this adjustment cover 6 is positioned at the last cavity 12 of rush-up seat and is set in slippage up and down on the inner rush seat 5, adjusts cover 6 side wall upper part and in axial direction is provided with strong groove 61, these strong groove 61 upper end open.
With described worm gear 7 engaged worm 9, these worm screw 9 levels are located in the rush-up seat 1 and can rotate around self axis, and the two ends of worm screw 9 are bearing in the rush-up seat 1 by axle sleeve 10, and the end of worm screw 9 exposes outside rush-up seat 1, so externally just rotatable worm screw 9.
Locking device is arranged on the outside of rush-up seat 1, and worm screw 9 lockings that this locking device can stretch out from rush-up seat are to stop worm screw 9 around self axis rotation.Locking device comprises the support 24 that is fixed on rush-up seat 1 sidewall, and the worm screw 9 that exposes outside rush-up seat 1 passes the sidewall of support 24, and the lock-screw 25 of energy contact at worm screw 9 outer peripheral faces that be threaded on the sidewall of this support 24.Be provided with in the support 24 in order to worm screw 9 is rotated the counter 26 that the number of turns is counted.
The operation principle and the process of the embodiment of the invention are as follows:
Interior towards the stroke adjustment process: that lock-screw 25 is unscrewed, worm screw 9 can be rotated, worm screw 9 is rotated and drives worm gear 7 rotations, because adjusting cover 6 is threaded in the screwed hole of worm gear 7, and worm gear 7 axially is limited to cavity 12 by worm gear pressing plate 8, therefore the rotation of worm gear drives and adjusts cover 6 along inner rush seat slippage about in the of 5, change the spacing between the lower surface of adjusting the piston portion 51 that overlaps 6 upper surfaces and inner rush seat 5 tops, the stroke adjustment of dashing in final the realization, after regulating end, lock-screw 25 is tightened contact on worm screw 9 outer peripheral faces, and worm screw 9 just can not be rotated, and finishes towards stroke adjustment in this.
When last gas port 31 ventilations, inner rush seat with piston portion 51 moves down, until the lower surface of piston portion 51 and till adjusting cover 6 upper surfaces and contact, gas port 32 is ventilated instantly, have on the inner rush seat of piston portion 51 and move, until the upper surface and the lower surface contact position of adjusting block 20 of piston portion 51
Also can adjust the slippage that screw 23 drives adjustment piece 21 by rotating, between the bottom surface by adjusting piece 21 and the bottom surface of groove 201 is the inclined-plane mating reaction, and then block 20 moving up and down in air chamber 4 adjusted in drive, can regulate the extreme position that inner rush seat 5 moves in air chamber 4, play in the auxiliary adjustment effect towards stroke.
Claims (8)
1. the double upper-inner impacting stroke adjusting device of a powder former comprises
Rush-up seat (1), the lower surface of rush-up seat (1) has following cavity (11), and the upper surface of rush-up seat (1) has last cavity (12);
Outer red seat (2) is provided in the following cavity (11) of rush-up seat;
In towards cylinder body (3), be fixed on rush-up seat (1) top, interiorly between cylinder body (3) and rush-up seat (1), surround air chamber (4), interiorly on the sidewall of cylinder body (3), have last gas port (31) and the following gas port (32) that communicates with described air chamber (4);
The upper end has the inner rush seat (5) of piston portion (51), piston portion (51) is joined and hermetic seal with described air chamber (4) sidewall cunning, the described gas port (31) of going up communicates with the air chamber (4) of piston portion (51) top, following gas port (32) communicates with the air chamber (4) of piston portion (51) below, and the lower end of described inner rush seat (5) is passed rush-up seat (1) and outer red seat (2) and sliding joining successively;
It is characterized in that: also comprise
Have externally threaded adjustment cover (6), this adjustment cover (6) is positioned at the last cavity (12) of rush-up seat and is set in inner rush seat (5) goes up slippage up and down, adjusts cover (6) side wall upper part and in axial direction is provided with strong groove (61);
Worm gear (7) with screwed hole, be arranged in the last cavity (12) of rush-up seat, described adjustment cover (6) is threaded in the screwed hole of worm gear (7), the upper surface of described rush-up seat (1) is fixed with the worm gear pressing plate (8) of this worm gear (7) axial limiting in last cavity (12), also is fixed with the positioning key (81) that cooperates with described strong groove (61) on this worm gear pressing plate (8);
With described worm gear (7) engaged worm (9), this worm screw (9) level is located in the rush-up seat (1) and can rotates around self axis, the two ends of worm screw (9) are bearing in the rush-up seat (1) by axle sleeve (10), and the end of worm screw (9) exposes outside rush-up seat (1);
Locking device is arranged on the outside of rush-up seat (1), and worm screw (9) locking that this locking device can go out from rush-up seat the second month in a season is to stop worm screw (9) around self axis rotation.
2. according to the double upper-inner impacting stroke adjusting device of the described powder former of claim 1, it is characterized in that: be equipped with first guide finger (13) on the described piston portion (51), have first pilot hole (14) that first guide finger (13) is carried out guide-localization on the upper surface of rush-up seat (1), described first guide finger (13) is passed down through worm gear pressing plate (8) back and described first pilot hole (14) inserting.
3. according to the double upper-inner impacting stroke adjusting device of the described powder former of claim 1, it is characterized in that: described outer red seat (2) is sliding to be fitted in the following cavity (11) of rush-up seat, the periphery of following cavity (11) adjusting nut (15) that has been threaded, the bottom of the screwed hole of adjusting nut (15) has invagination and carries out the annular rib (151) of lower limit with external red seat (2), also has on the described rush-up seat (1) to connect the described air guide channel (16) of the roof of cavity (11) down.
4. according to the double upper-inner impacting stroke adjusting device of the described powder former of claim 3, it is characterized in that: be equipped with second guide finger (17) on the described outer red seat (2), have second pilot hole (18) that second guide finger (17) is carried out guide-localization on the roof of following cavity (11), described second guide finger (17) and described first pilot hole (18) inserting.
5. according to the double upper-inner impacting stroke adjusting device of the described powder former of claim 3, it is characterized in that: have the tapped through hole (152) that communicates with described cavity (11) down on the sidewall of described adjusting nut (15), tapped through hole (152) internal thread is connected with the energy contact holding screw (19) of red seat (2) outer peripheral face outside.
6. according to the double upper-inner impacting stroke adjusting device of the described powder former of claim 1, it is characterized in that: also be equipped with in the air chamber (4) of described piston portion (51) top and adjust block (20), adjust that block (20) top has groove (201), be provided with in this groove (201) and adjust piece (21), cooperate for the inclined-plane between the bottom surface of this bottom surface of adjusting piece (21) and described groove (201), on cylinder body (3) sidewall, be fixed with Adjusting bolt Adjusting screw (22) in described, Adjusting bolt Adjusting screw (22) internal thread is connected with adjusts screw (23), and this adjustment screw (23) the inner is connected with described adjustment piece (21) after passing rush-up seat (1) sidewall.
7. according to the double upper-inner impacting stroke adjusting device of the described powder former of arbitrary claim in the claim 1～6, it is characterized in that: described locking device comprises the support (24) that is fixed on rush-up seat (1) sidewall, the worm screw (9) that exposes outside rush-up seat (1) passes the sidewall of described support (24), and the lock-screw (25) of energy contact at worm screw (9) outer peripheral face that be threaded on the sidewall of this support (24).
8. state the double upper-inner impacting stroke adjusting device of powder former according to claim 7, it is characterized in that: be provided with in the described support (24) in order to worm screw (9) is rotated the counter (26) that the number of turns is counted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102304465A CN101913266A (en) | 2010-07-14 | 2010-07-14 | Double upper-inner impacting stroke adjusting device of powder forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102304465A CN101913266A (en) | 2010-07-14 | 2010-07-14 | Double upper-inner impacting stroke adjusting device of powder forming machine |
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| CN101913266A true CN101913266A (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102304465A Pending CN101913266A (en) | 2010-07-14 | 2010-07-14 | Double upper-inner impacting stroke adjusting device of powder forming machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201954A (en) * | 2015-10-14 | 2015-12-30 | 大隆机器有限公司 | Large-base oil cylinder of toe lasting machine |
| CN106626504A (en) * | 2016-12-31 | 2017-05-10 | 扬州市海力精密机械制造有限公司 | Novel formwork hydraulic compensation control mechanism |
| CN107763004A (en) * | 2017-11-24 | 2018-03-06 | 河北天行机械制造有限公司 | Mechanical increased stroke-adjustable gas cylinder |
| CN112032141A (en) * | 2020-08-26 | 2020-12-04 | 苏州好特斯模具有限公司 | Stroke-adjustable cylinder system |
| CN116408945A (en) * | 2023-01-19 | 2023-07-11 | 苏州好特斯模具有限公司 | Stroke-adjustable driving cylinder and hot runner system |
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| CN100410067C (en) * | 2006-07-14 | 2008-08-13 | 严培义 | Inner punch pin regulating mechanism for powder forming machine |
| CN201357585Y (en) * | 2009-01-13 | 2009-12-09 | 严培义 | Double upper-punch outer-punch adjusting mechanism of powder forming machine |
| CN101758232A (en) * | 2008-11-21 | 2010-06-30 | 扬州市海力精密机械制造有限公司 | Dual-upper-punch offset adjusting mechanism |
| CN201721063U (en) * | 2010-07-14 | 2011-01-26 | 宁波国兴粉末冶金设备制造有限公司 | Device for adjusting inner punching stroke of double upper punching mechanism in powder molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1669784A (en) * | 2005-03-17 | 2005-09-21 | 严培义 | Filling regulating and limiting device for powder forming machine |
| CN100410067C (en) * | 2006-07-14 | 2008-08-13 | 严培义 | Inner punch pin regulating mechanism for powder forming machine |
| CN101758232A (en) * | 2008-11-21 | 2010-06-30 | 扬州市海力精密机械制造有限公司 | Dual-upper-punch offset adjusting mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201954A (en) * | 2015-10-14 | 2015-12-30 | 大隆机器有限公司 | Large-base oil cylinder of toe lasting machine |
| CN106626504A (en) * | 2016-12-31 | 2017-05-10 | 扬州市海力精密机械制造有限公司 | Novel formwork hydraulic compensation control mechanism |
| CN107763004A (en) * | 2017-11-24 | 2018-03-06 | 河北天行机械制造有限公司 | Mechanical increased stroke-adjustable gas cylinder |
| CN112032141A (en) * | 2020-08-26 | 2020-12-04 | 苏州好特斯模具有限公司 | Stroke-adjustable cylinder system |
| CN116408945A (en) * | 2023-01-19 | 2023-07-11 | 苏州好特斯模具有限公司 | Stroke-adjustable driving cylinder and hot runner system |
| CN116408945B (en) * | 2023-01-19 | 2024-03-22 | 苏州好特斯模具有限公司 | Stroke-adjustable driving cylinder and hot runner system |
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Application publication date: 20101215 |