CN203284348U - Precise numerical-control bidirectional explosive powder hydraulic press - Google Patents
Precise numerical-control bidirectional explosive powder hydraulic press Download PDFInfo
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- CN203284348U CN203284348U CN2013202878929U CN201320287892U CN203284348U CN 203284348 U CN203284348 U CN 203284348U CN 2013202878929 U CN2013202878929 U CN 2013202878929U CN 201320287892 U CN201320287892 U CN 201320287892U CN 203284348 U CN203284348 U CN 203284348U
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Abstract
The utility model relates to a precise numerical-control bidirectional explosive powder hydraulic press comprising an upper crossbeam, an intermediate beam and a lower crossbeam, wherein the upper crossbeam is connected with the intermediate beam through an upper pillar, a lower part of the upper crossbeam is provided with an upper return cylinder, a lower part of the upper return cylinder is connected with an upper slide block with a cylinder, and a lower part of the upper slide block with the cylinder is provided with an upper punch. The explosive powder hydraulic press is characterized in that an upper part of the lower crossbeam is provided with a lower return cylinder, an upper part of the lower return cylinder is connected with a lower slide block with a cylinder, an upper part of the lower slide block with the cylinder is provided with a lower punch, a central part of the intermediate beam is provided with a mold sleeve, a lower part of the upper slide block with the cylinder is provided with an automatic vacuum-pumping device, and an upper part of the lower slide block with the cylinder is provided with a mechanical stop device. The utility model is advantageous in that through bidirectional press and mechanical limit for vacuumization and mechanical limiting pillars of a mold cavity during a press process, mass density uniformity and accuracy of the pressed workpieces can be greatly improved, and security of the press can be guaranteed through the mechanical limit for the mechanical limiting pillars.
Description
Technical field
The utility model belongs to the pressing hydraulic machine field, relates in particular to the two-way pressing hydraulic machine of a kind of accurate digital control.
Background technology
At present, along with developing rapidly of China's military industry field, the increasing large-tonnage accurate digital control bidirectional hydraulic press that uses in the production technique of explosive column.In the compacting of explosive column is produced, need to carry out repeatedly the compacting of different positions,, in order to reduce the pore on explosive column, improve the quality of products, when mould stops at different positions, need to open vacuum extractor to carrying out suction air in mould.
For prevent drift in repeatedly stop and start process easily and mould be offset, therefore, must use stop means to carry out spacing to it.Traditional stop means all adopts electric control structure,, because the load of large-tonnage accurate digital control bidirectional hydraulic press is large,, in case the malfunctioning meeting of electrical control causes equipment out of hand, not only can affect quality product, but also operational safety hidden danger occur.
Simultaneously, in the process that vacuumizes, traditional vacuum extractor needs manually vacuumizing joint to be received on mould, then the medicinal powder in mould is carried out disposable vacuumizing.Adopt above-mentioned vacuum extractor can't realize that explosive column carries out automatic vacuum when being squeezed to different heights, not only be difficult to guarantee workpiece vacuum tightness in the mould closed cavities, and can not meet the needs of full-automatic explosive column production line.
The utility model content
The utility model provides a kind of accurate digital control two-way pressing hydraulic machine for solving the technical problem that exists in known technology, and this hydropress can be suppressed the high powder column of vacuum tightness.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
the two-way pressing hydraulic machine of accurate digital control, comprise top end rail, intermediate beam, bottom end rail, connect by upper supporting column between top end rail and intermediate beam, connect by lower supporting rod between bottom end rail and intermediate beam, the bottom of top end rail is provided with kicker cylinder, the bottom of upper kicker cylinder is connected with upper band cylinder slide block, on be provided with upper punch with the bottom of cylinder slide block, described bottom end rail top is provided with lower kicker cylinder, described lower kicker cylinder top is connected with lower band cylinder slide block, lower punch is equipped with on described lower band cylinder slide block top, the middle part of intermediate beam is equipped with die sleeve, bottom with the cylinder slide block on described is provided with automatic vacuum-pumping apparatus, described upper band cylinder slide block and lower band cylinder slide block are provided with mechanical stop limiter.
The utility model can also adopt following technical scheme:
Described mechanical stop limiter comprise be arranged on lower with the adjustable limiting post on the cylinder slide block, be arranged on limited block on the adjustable limiting post, be arranged on upper mechanical position limitation post, Level Promoting oil cylinder and orienting lug with the cylinder slider bottom, described Level Promoting cylinder piston rod one end is connected with multistage limited block, and with orienting lug, is and is slidably matched.
Described Level Promoting cylinder piston rod one end is connected with two multistage limited blocks of all-in-one-piece processed.
Described multistage limited block one side adopts step structure.
Described automatic vacuum-pumping apparatus comprise with on the cylinder slide block affixed vacuumize sealing platen hold-down cylinder, the other end of described hold-down cylinder is connected with and vacuumizes the sealing platen, described vacuumize the sealing platen by vacuum-lines with vacuumize pumping plant and be communicated with.
The described pumping plant that vacuumizes comprises vacuum pumping pump, is arranged on the hay tank of vacuum pumping pump one side and is arranged on the cooling tank of vacuum pumping pump opposite side.
Described vacuumize sealing platen and upper punch contact site, described vacuumize to seal between platen and die sleeve be equipped with sealing-ring.
Advantage and the positively effect that the utlity model has are: because the utility model adopts technique scheme; be that the press drift is when different closed positions; while by cylinder, promoting multistage limited block adjustment thickness with the assurance different heights, limited post contacts with multistage limited block with the mechanical position limitation of multistage limited block and protects; so not only can avoid the operational safety hidden danger that causes because electrical control is malfunctioning, but also can improve the quality of products.By tele-control system, this automatic vacuum-pumping apparatus is controlled, and promote to vacuumize dish by hold-down cylinder and realize the automatic butt mould, can realize that explosive column carries out automatic vacuum and can guarantee workpiece vacuum tightness in the mould closed cavities when being squeezed to different heights, not only can reduce bubble, raising powder column quality product that powder column occurs in pressing process, but also can increase work efficiency.By the compacting of two-way position and in pressing process to the mechanical position limitation of the vacuumizing of die cavity, mechanical position limitation post, make the close uniformity coefficient of workpiece matter and the precision of compacting be greatly improved, guaranteed the security of compacting by the mechanical position limitation of mechanical position limitation post.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of mechanical stop limiter of the present utility model;
Fig. 3 is the side-view of Fig. 2;
Fig. 4 is automatic vacuum-pumping apparatus structural representation of the present utility model.
In figure: 1, pull bar; 2, locknut; 3, top end rail; 4, upper kicker cylinder; 5, upper band cylinder slide block; 6, upper supporting column; 7, upper mechanical position limitation post; 8, upper punch; 9, sealing platen hold-down cylinder; 10, vacuumize the sealing platen; 11, die sleeve; 12, intermediate beam; 13, lower punch; 14, adjustable limiting post; 15, lower supporting rod; 16, lower band cylinder slide block; 17, lower kicker cylinder; 18, bottom end rail; 19, limited block; 20, multistage limited block; 21, orienting lug; 22, Level Promoting oil cylinder; 23, vacuum-lines; 24, hay tank; 25, cooling tank; 26, sealing-ring; 27, vacuum pump; 28, powder column.
Embodiment
, for further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
see also Fig. 1, the two-way pressing hydraulic machine of a kind of accurate digital control, comprise top end rail 3, intermediate beam 12, bottom end rail 18, top end rail is fastening by the locknut 2 of pull bar 1 end, connect by upper supporting column 6 between top end rail and intermediate beam, connect by lower supporting rod 15 between bottom end rail and intermediate beam, the bottom of top end rail is provided with kicker cylinder 4, the bottom of upper kicker cylinder is connected with upper band cylinder slide block 5, on be provided with upper punch 8 with the bottom of cylinder slide block, the top of bottom end rail is provided with lower kicker cylinder 17, the top of lower kicker cylinder is connected with lower band cylinder slide block 16, lower top with the cylinder slide block is provided with lower punch, the middle part of intermediate beam is provided with die sleeve 11, on be provided with automatic vacuum-pumping apparatus with the bottom of cylinder slide block, on described upper band cylinder slide block and lower band cylinder slide block, mechanical stop limiter is housed.
See also Fig. 2-3, described mechanical stop limiter comprise be arranged on lower with the adjustable limiting post 14 on the cylinder slide block, be arranged on limited block 19 on the adjustable limiting post, be arranged on hydropress upper mechanical position limitation post 7, Level Promoting oil cylinder 22 and orienting lug 21 with cylinder slide block 5 bottoms, Level Promoting cylinder piston rod one end is connected with multistage limited block 20, multistage limited block is inserted in orienting lug 21, and with orienting lug, is and is slidably matched.In the present embodiment, promote cylinder piston rod one end and be connected with two multistage limited blocks 20 of all-in-one-piece processed.Multistage limited block one side adopts step structure, and namely the side at multistage limited block is shaped with the step of suppressing stations for three different heights of press upper punch.
See also Fig. 4, automatic vacuum-pumping apparatus comprise with on cylinder slide block 5 affixed vacuumize sealing platen hold-down cylinder 9, the other end of hold-down cylinder is connected with and vacuumizes sealing platen 10, vacuumize the sealing platen by vacuum-lines 23 with vacuumize pumping plant and be communicated with.Vacuumizing pumping plant comprises vacuum pumping pump 27, is arranged on the hay tank 24 of vacuum pumping pump one side and is arranged on the cooling tank 25 of vacuum pumping pump opposite side.Vacuumize sealing platen and upper punch contact site, vacuumize to seal between platen and die sleeve and be provided with sealing-ring 26.
Operating principle of the present utility model is:
Described lower band cylinder slide block 16 drives on lower punch 13 and moves to the powder charge position, by the automatic weighing loading device on production line to the in-built medicinal powder of the die cavity of press, after the medicinal powder in mould smooths by the powder flattening device on production line, it is descending fast that upper band cylinder slide block 5 drives upper punch 8, vacuumize the sealing platen with the upper punch DL synchronization, before upper punch was entering the sealing die cavity, the die end face that vacuumizes sealing platen and mould was fitted and seals.Upper band cylinder slide block is descending at a slow speed, and then upper band cylinder slide block and lower band cylinder slide block pressurization compacting make to vacuumize the sealing platen and push down above die cavity, vacuumize.Producing at the accurate digital control bidirectional hydraulic press in the process of explosive column, in order to guarantee the quality product of explosive column, upper punch need to stop three positions, and by the tele-control system sender, after vacuum pumping pump is received instruction, to starting to vacuumize work in mould medicinal powder closed cavities, this process also can be carried out (vacuumize during compacting hold-down cylinder is passive to be return) in compacting.When the vacuum tightness in the medicinal powder closed cavities reached set(ting)value, vacuum pumping pump quit work, and upper punch continues the suppression process of descending beginning powder column 28, to reduce the pore on explosive column.When upper band cylinder slide block need to stop at different positions, guarantee different heights by the multistage limited block of Level Promoting oil cylinder pushing to adjust thickness, the adjustable limiting post contacts with multistage limited block, realizes the mechanical position limitation protection.
In the present embodiment, by tele-control system, this automatic vacuum-pumping apparatus is controlled, and by vacuumizing sealing platen hold-down cylinder, promote to vacuumize the sealing platen and realize the automatic butt mould, can realize that explosive column carries out automatic vacuum and can guarantee workpiece vacuum tightness in the mould closed cavities when being squeezed to different heights, not only can reduce bubble, raising powder column quality product that powder column occurs in pressing process, but also can increase work efficiency.
In the present embodiment; be that the press upper punch is when different closed positions; adjust thickness by the multistage limited block of Level Promoting oil cylinder pushing; during with the assurance different heights, limited post contacts with multistage limited block with the mechanical position limitation of multistage limited block and protects; so not only can avoid the operational safety hidden danger that causes because electrical control is malfunctioning, but also can improve the quality of products.
Although the above is described preferred embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model;, not breaking away from the scope situation that the utility model aim and claim protect, can also make a lot of forms, within these all belong to protection domain of the present utility model.
Claims (7)
1. two-way pressing hydraulic machine of accurate digital control, comprise top end rail, intermediate beam, bottom end rail, connect by upper supporting column between top end rail and intermediate beam, connect by lower supporting rod between bottom end rail and intermediate beam, the bottom of top end rail is provided with kicker cylinder, the bottom of upper kicker cylinder is connected with upper band cylinder slide block, on be provided with upper punch with the bottom of cylinder slide block, it is characterized in that: described bottom end rail top is provided with lower kicker cylinder, described lower kicker cylinder top is connected with lower band cylinder slide block, lower punch is equipped with on described lower band cylinder slide block top, the middle part of intermediate beam is equipped with die sleeve, bottom with the cylinder slide block on described is provided with automatic vacuum-pumping apparatus, described upper band cylinder slide block and lower band cylinder slide block are provided with mechanical stop limiter.
2. the two-way pressing hydraulic machine of accurate digital control according to claim 1, it is characterized in that: described mechanical stop limiter comprise be arranged on lower with the adjustable limiting post on the cylinder slide block, be arranged on limited block on the adjustable limiting post, be arranged on upper mechanical position limitation post, Level Promoting oil cylinder and orienting lug with the cylinder slider bottom, described Level Promoting cylinder piston rod one end is connected with multistage limited block, and with orienting lug, is and is slidably matched.
3. the two-way pressing hydraulic machine of accurate digital control according to claim 2, it is characterized in that: described Level Promoting cylinder piston rod one end is connected with two multistage limited blocks of all-in-one-piece processed.
4. the two-way pressing hydraulic machine of accurate digital control according to claim 3, is characterized in that: described multistage limited block one side employing step structure.
5. the two-way pressing hydraulic machine of accurate digital control according to claim 1, it is characterized in that: described automatic vacuum-pumping apparatus comprise with on the cylinder slide block affixed vacuumize sealing platen hold-down cylinder, the other end of described hold-down cylinder is connected with and vacuumizes the sealing platen, described vacuumize the sealing platen by vacuum-lines with vacuumize pumping plant and be communicated with.
6. the two-way pressing hydraulic machine of accurate digital control according to claim 5 is characterized in that: the described pumping plant that vacuumizes comprises vacuum pumping pump, is arranged on the hay tank of vacuum pumping pump one side and is arranged on the cooling tank of vacuum pumping pump opposite side.
7. the two-way pressing hydraulic machine of accurate digital control according to claim 5 is characterized in that: described vacuumize sealing platen and upper punch contact site, described vacuumize to seal between platen and die sleeve be provided with sealing-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202878929U CN203284348U (en) | 2013-05-24 | 2013-05-24 | Precise numerical-control bidirectional explosive powder hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202878929U CN203284348U (en) | 2013-05-24 | 2013-05-24 | Precise numerical-control bidirectional explosive powder hydraulic press |
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| Publication Number | Publication Date |
|---|---|
| CN203284348U true CN203284348U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202878929U Expired - Lifetime CN203284348U (en) | 2013-05-24 | 2013-05-24 | Precise numerical-control bidirectional explosive powder hydraulic press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274880A (en) * | 2013-05-24 | 2013-09-04 | 天津市天锻压力机有限公司 | Precise numerical-control two-way pressing hydraulic machine |
| CN105272780A (en) * | 2015-11-02 | 2016-01-27 | 西安近代化学研究所 | Explosive molding powder pressing system |
-
2013
- 2013-05-24 CN CN2013202878929U patent/CN203284348U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274880A (en) * | 2013-05-24 | 2013-09-04 | 天津市天锻压力机有限公司 | Precise numerical-control two-way pressing hydraulic machine |
| CN105272780A (en) * | 2015-11-02 | 2016-01-27 | 西安近代化学研究所 | Explosive molding powder pressing system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |