CN1730264A - Pressure device of molding press and pressuring method thereof - Google Patents
Pressure device of molding press and pressuring method thereof Download PDFInfo
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- CN1730264A CN1730264A CN 200510060557 CN200510060557A CN1730264A CN 1730264 A CN1730264 A CN 1730264A CN 200510060557 CN200510060557 CN 200510060557 CN 200510060557 A CN200510060557 A CN 200510060557A CN 1730264 A CN1730264 A CN 1730264A
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- connecting rod
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- moulding press
- mechanical transmission
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Abstract
The invention discloses a pressure apparatus, especially for a kind of block press and the method for pressuring it, which is applied mainly to pressure workpiece on plastic block press. Said pressure apparatus of the block press comprises holster, positioned a pressure device for pressure stroke and a mechanical drive gear for shutoff stroke and transmitting repulsion, which is made by pressure device, wherein said two devices is connected in the form of cascade. The method for pressuring comprises the following steps: first positing the workpiece needed to be handling under the mold, then performing shutoff stroke by the mechanical drive gear, forcing it by the pressure device, and transmitting said force to mold by the mechanical drive gear, and the mold forcing the workpiece in turn, to finish the pressure stroke. The invention is provided with the advantages of saving labor, fine effect, high efficiency, and low energy consumption.
Description
Technical field
The present invention relates to a kind of pressue device, especially a kind of pressue device of moulding press and pressure method thereof, it is mainly used in the workpiece pressurization of plastic molding machine.
Background technology
The course of work of moulding press can be divided into matched moulds (or to mould) process and pressure process by required thrust, and the stroke of matched moulds process is big, thrust is little, and its stroke accounts for more than 90% of total kilometres, and then stroke is little, thrust is big for pressure process.Existing workpiece pressue device only utilizes mechanical transmission mechanism to carry out matched moulds and pressurization, owing to be subjected to the restriction of space and mechanism, is difficult to reach the labor-saving effect of the best, uses very effort.
The workpiece pressue device that also has only utilizes electro hydraulic gear that matched moulds and the required pressure of pressurization are provided, but because the stroke of matched moulds process is bigger, therefore has the shortcoming that efficient is low, energy consumption is big.
Fig. 1 is for only having utilized the existing pressue device of mechanical transmission mechanism, it is mainly by cross bar 9 ', straight-bar 8 ', pull bar 7 ', last connecting rod 4-2 ', lower link 4-1 ', foot-driven lever 1 ' is formed, one end of cross bar 9 ' links to each other with mould 11 ', its other end and straight-bar 8 ', last connecting rod 4-2 ', lower link 4-1 ', frame 13 ' flexibly connects successively, the shaft of cross bar 9 ' is fixed on the frame 13 ', the junction of one end of pull bar 7 ' and straight-bar 8 ' and last connecting rod 4-2 ' flexibly connects, its other end is fixed on the frame 13 ', one end of foot-driven lever 1 ' also is fixed on the frame 13 ', links together by connecting rod 14 ' between the junction of the shaft of foot-driven lever 1 ' and last connecting rod 4-2 ' and lower link 4-1 '.During use, step on pedal 1 ', foot-driven lever 1 ' promptly affacts on connecting rod 4-2 ' and the lower link 4-1 ' by connecting rod 14 ', and mould 11 ' is descending, finishes mould-closing stroke; Continue to pedal and step on foot-driven lever 1 ', mould 11 ' continues to finish pressure stroke on descending and the workpiece 12 ' of exerting pressure.Because pressurization needs big pressure,, there are processing effort, inefficient shortcoming so only carry out matched moulds and pressurization with mechanical transmission mechanism.
Summary of the invention
Technical problem to be solved by this invention provides a kind of laborsaving, effect is good, efficient is high, energy consumption is low moulding press pressue device and pressure method thereof.
The present invention addresses the above problem the technical scheme that is adopted: this moulding press pressue device comprises frame, its design feature is also to be provided with the pressing mechanism that can finish the moulding press pressure stroke and can to finish the moulding press mould-closing stroke and transmit the mechanical transmission mechanism of thrust that pressing mechanism produces, and mechanical transmission mechanism and pressing mechanism join with the form of connecting.
The toggle rod type linkage of mechanical transmission mechanism of the present invention for connecting to form successively by slide block, bar linkage structure and foot-driven lever, described pressing mechanism is the hydraulic mechanism that comprises master cylinder and auxiliary oil cylinder, and wherein master cylinder and mechanical driving device are cascaded.
The toggle rod type linkage of mechanical transmission mechanism of the present invention for connecting to form successively by slide block, bar linkage structure and foot-driven lever, described pressing mechanism is the screw mechanism of being made up of screw rod and nut, wherein nut or screw rod are installed on the frame, and screw rod or nut and mechanical transmission mechanism are cascaded.
Bar linkage structure of the present invention is made up of cross bar, straight-bar, pull bar, last connecting rod and lower link, described pressing mechanism also includes connecting rod, wherein an end of cross bar links to each other with slide block, its other end and straight-bar, last connecting rod, lower link, master cylinder flexibly connect successively, and the shaft of cross bar is installed on the frame; One end of pull bar and the junction of straight-bar and last connecting rod flexibly connect, its other end is installed on the frame, one end of foot-driven lever is installed on the frame, links together by connecting rod, auxiliary oil cylinder cylinder body and spring between the junction of the shaft of foot-driven lever and last connecting rod and lower link.
Bar linkage structure of the present invention is made up of cross bar, straight-bar, pull bar, connecting rod, last connecting rod and lower link, wherein an end of cross bar links to each other with slide block, its other end and straight-bar, last connecting rod, lower link, screw rod or nut flexibly connect successively, and the shaft of cross bar is installed on the frame; One end of pull bar and the junction of straight-bar and last connecting rod flexibly connect, and its other end is installed on the frame, and an end of foot-driven lever is installed on the frame, links together by connecting rod between the junction of the shaft of foot-driven lever and last connecting rod and lower link.
The present invention addresses the above problem the technical scheme that is adopted to be also had: the pressure method of this moulding press pressue device is that the workpiece that at first will need to process is placed on the mould below, finish the moulding press mould-closing stroke by mechanical transmission mechanism then, again by pressing mechanism to the mechanical transmission mechanism applied thrust, last mechanical transmission mechanism is delivered to the thrust that pressing mechanism produced on the mould, mould pressurizes to workpiece, finishes the moulding press pressure stroke.
Mechanical transmission mechanism in the pressure method of the present invention is jointed gear unit, eccentric drive mechanism or cam drive.
Pressing mechanism in the pressure method of the present invention is hydraulic mechanism, screw mechanism or eccentric stiffener.
The present invention compared with prior art, have following beneficial effect: this pressue device is cascaded mechanical transmission mechanism and pressing mechanism, utilize the little characteristics of mechanical transmission mechanism thrust, finish the mould-closing stroke that stroke is big, thrust is little, utilize the big characteristics of pressing mechanism thrust again, finish the pressure stroke that stroke is little, thrust is big, have reasonable in design, novelty, advantage easy to use.
The present invention compared with prior art, also has following beneficial effect: use the pressure method of this pressue device to utilize the These characteristics of mechanical transmission mechanism and pressing mechanism, earlier finish mould-closing stroke by mechanical transmission mechanism, again by the mechanical transmission mechanism transmission thrust that pressing mechanism produced, finish pressure stroke by pressing mechanism, not only speed is fast for this method, efficient is high, also laborsaving and energy efficient.
Description of drawings
Fig. 1 is the structural scheme of mechanism of prior art.
Fig. 2 is the kinematic sketch of mechanism of the embodiment of the invention 1.
Fig. 3 is the kinematic sketch of mechanism (when foot-driven lever does not depress) of the embodiment of the invention 1.
Fig. 4 is the kinematic sketch of mechanism (when foot-driven lever has depressed) of the embodiment of the invention 1.
Fig. 5 is the kinematic sketch of mechanism (when foot-driven lever does not depress) of the embodiment of the invention 2.
Fig. 6 is the kinematic sketch of mechanism (when foot-driven lever has depressed) of the embodiment of the invention 2.
Fig. 7 is the kinematic sketch of mechanism of the embodiment of the invention 3.
Fig. 8 is the kinematic sketch of mechanism of the embodiment of the invention 4.
The specific embodiment
Embodiment 1:
Referring to Fig. 2, present embodiment comprises frame 13, mechanical transmission mechanism I and pressing mechanism II, and mechanical transmission mechanism I and pressing mechanism II and mould 11 are serially connected.
Mechanical transmission mechanism I is the toggle rod type linkage, it is by slide block 10, bar linkage structure I-1, foot-driven lever 1 connects to form, wherein bar linkage structure I-1 comprises cross bar 9, straight-bar 8, pull bar 7, last connecting rod 4-2, lower link 4-1, pressing mechanism II is a hydraulic mechanism, by master cylinder 5, auxiliary oil cylinder 2, spring 3, connecting rod 14 is formed, wherein master cylinder 5 is fixed on the frame 13, mould 11 is fixed on slide block 10 belows, one end of cross bar 9 links to each other with slide block, its other end and straight-bar 8, last connecting rod 4-2, lower link 4-1, master cylinder 5 flexibly connects successively, and last connecting rod 4-2 and lower link 4-1 constitute the toggle rod type structure, and the shaft of cross bar 9 is installed on the frame 13 and can rotates around frame 13; The junction of one end of pull bar 7 and straight-bar 8 and last connecting rod 4-2 flexibly connects, its other end is installed on the frame 13 and can rotates around frame 13, one end of foot-driven lever 1 is installed on the frame 13 and can rotates around frame 13, cylinder body and spring 3 by connecting rod 14, auxiliary oil cylinder 2 between the junction of the shaft of foot-driven lever 1 and last connecting rod 4-2 and lower link 4-1 link together, and the side at last connecting rod 4-2 and lower link 4-1 is provided with scotch 6, is connected with oil pipe 23 between auxiliary oil cylinder 2 and the master cylinder 5.
During use, at first workpiece 12 is held in place on the frame 13 of mould 11 belows, as shown in Figure 3, step on foot-driven lever 1, foot-driven lever 1 is promptly successively by connecting rod 14, spring 3, the cylinder body of auxiliary oil cylinder 2 affacts on the last connecting rod 4-2 and lower link 4-1 of mechanical transmission mechanism I, owing to the thrust that mould-closing stroke is required is minimum, therefore the thrust of spring 3 is enough to promote toggle rod type structure that connecting rod 4-2 and lower link 4-1 constituted to as shown in Figure 4 self-locking position (last connecting rod 4-2 and lower link 4-1 stretch be 180 spend and spacing by scotch 6), slide block 10 is descending, finishes mould-closing stroke; Continue then to pedal and step on foot-driven lever 1, foot-driven lever 1 promptly overcomes the elastic force of spring 3 to auxiliary oil cylinder 2 pressurizations, master cylinder 5 produces a bigger thrust and is delivered on the slide block 10 by lower link 4-1, last connecting rod 4-2, straight-bar 8, cross bar 9 successively, it is descending to drive mould 11 by sliding fast 10 at last, mould 11 is exerted pressure on the workpiece 12, finishes pressure stroke.
Embodiment 2:
The difference of present embodiment and embodiment 1 be auxiliary oil cylinder 2 the position as shown in Figure 5, promptly between mechanical transmission mechanism I and auxiliary oil cylinder 2, increased connecting rod 15,16; Its using method is identical with embodiment 1, pedals the state stepped on behind the foot-driven lever 1 as shown in Figure 6, owing to increased connecting rod 15,16, when pressure stroke is finished, can reduce the reaction force that auxiliary oil cylinder 2 acts on foot-driven lever 1, has increased the comfortableness of operation.
Embodiment 3:
Referring to Fig. 7, present embodiment is that master cylinder 5 is linked to each other with oil pump 22 with the difference of embodiment 1, be master cylinder 5 by oil pump 22 fuel feeding, and the shaft of foot-driven lever 1 directly links to each other with the junction of last connecting rod 4-2 with lower link 4-1 by connecting rod 14, saved auxiliary oil cylinder 2 and spring 3; Its using method is substantially the same manner as Example 1, its difference is after trampling foot-driven lever 1, and last connecting rod 4-2 and lower link 4-1 stretch to self-locking position and finish mould-closing stroke, connect oil pump 22 then, master cylinder 5 produces thrust on workpiece 12 by oil pump 22 fuel feeding, finishes pressure stroke.
Embodiment 4:
Referring to Fig. 8, the difference of present embodiment and embodiment 3 is that pressing mechanism II is a screw mechanism, is threaded by screw rod 20 and nut 21 and forms, and nut 21 is fixed on the frame 13, and screw rod 20 links to each other with lower link 4-1; Its using method is substantially the same manner as Example 3, and its difference is after mould-closing stroke is finished, and by nut 21 or screw rod 20 rotations, produces thrust thus to workpiece 12, finishes pressure stroke.
Also screw rod 20 can be fixed on the frame 13 in the present embodiment, and nut 21 links to each other with lower link 4-1, the effect of its generation is identical.
The pressure stroke of present embodiment is relevant with the anglec of rotation of nut 21 or screw rod 20, thereby can reach the purpose of control pressure stroke by the anglec of rotation of control nut 21 or screw rod 20, is convenient to realize quantitative control.
Use the pressure method of this moulding press pressue device to be: the workpiece 12 that at first will need to process is placed on mould 11 belows, finish the moulding press mould-closing stroke by mechanical transmission mechanism I then, pass through pressing mechanism II again to mechanical transmission mechanism I applied thrust, the thrust that last mechanical transmission mechanism I is produced pressing mechanism II is delivered on the mould 11, the moulding press pressure stroke is finished in 12 pressurizations of 11 pairs of workpiece of mould.
The embodiment of pressure method of the present invention is as follows:
Referring to Fig. 1～Fig. 3, at first workpiece 12 is held in place on the frame 13 of mould 11 belows, as shown in Figure 3, step on foot-driven lever 1, foot-driven lever 1 is promptly successively by connecting rod 14, spring 3, the cylinder body of auxiliary oil cylinder 2 affacts on the last connecting rod 4-2 and lower link 4-1 of mechanical transmission mechanism I, owing to the thrust that mould-closing stroke is required is minimum, therefore the thrust of spring 3 is enough to promote toggle rod type structure that connecting rod 4-2 and lower link 4-1 constituted to as shown in Figure 4 self-locking position (last connecting rod 4-2 and lower link 4-1 stretch be 180 spend and spacing by scotch 6), slide block 10 is descending, finishes mould-closing stroke; Continue then to pedal and step on foot-driven lever 1, foot-driven lever 1 promptly overcomes the elastic force of spring 3 to auxiliary oil cylinder 2 pressurizations, master cylinder 5 produce a bigger thrust and successively by lower link 4-1, go up connecting rod 4-2, straight-bar 8, cross bar 9, slide block 10, mould 11 and exert pressure on the workpiece 12, finish pressure stroke.
Among the above embodiment, mould 11 all is fixed on slide block 10 belows, also mould 11 can be placed on the workpiece 12 in addition, and slide block 10 goes downwards to when touching mould 11, exerts pressure on the workpiece 12 by mould 11 again.
Except that above embodiment, mechanical transmission mechanism I of the present invention also can be mechanical transmission mechanisms such as eccentric drive mechanism, cam drive; Pressing mechanism II also can be pressing mechanisms such as eccentric stiffener.As long as mechanical transmission mechanism I can finish the moulding press mould-closing stroke and transmit the thrust that pressing mechanism II is produced, pressing mechanism II can produce enough thrust and finish the moulding press pressure stroke and get final product.
Claims (8)
1, a kind of moulding press pressue device, comprise frame, it is characterized in that: also be provided with the pressing mechanism that to finish the moulding press pressure stroke and can finish the moulding press mould-closing stroke and transmit the mechanical transmission mechanism of thrust that pressing mechanism produces, and mechanical transmission mechanism and pressing mechanism join with the form of connecting.
2, moulding press pressue device according to claim 1, it is characterized in that: the toggle rod type linkage of described mechanical transmission mechanism for connecting to form successively by slide block, bar linkage structure and foot-driven lever, described pressing mechanism is the hydraulic mechanism that comprises master cylinder and auxiliary oil cylinder, and wherein master cylinder and mechanical driving device are cascaded.
3, moulding press pressue device according to claim 1, it is characterized in that: the toggle rod type linkage of described mechanical transmission mechanism for connecting to form successively by slide block, bar linkage structure and foot-driven lever, described pressing mechanism is the screw mechanism of being made up of screw rod and nut, wherein nut or screw rod are installed on the frame, and screw rod or nut and mechanical transmission mechanism are cascaded.
4, moulding press pressue device according to claim 1 and 2, it is characterized in that: described bar linkage structure is made up of cross bar, straight-bar, pull bar, last connecting rod and lower link, described pressing mechanism also includes connecting rod, wherein an end of cross bar links to each other with slide block, its other end and straight-bar, last connecting rod, lower link, master cylinder flexibly connect successively, and the shaft of cross bar is installed on the frame; One end of pull bar and the junction of straight-bar and last connecting rod flexibly connect, its other end is installed on the frame, one end of foot-driven lever is installed on the frame, links together by connecting rod, auxiliary oil cylinder cylinder body and spring between the junction of the shaft of foot-driven lever and last connecting rod and lower link.
5, according to claim 1 or 3 described moulding press pressue devices, it is characterized in that: described bar linkage structure is made up of cross bar, straight-bar, pull bar, connecting rod, last connecting rod and lower link, wherein an end of cross bar links to each other with slide block, its other end and straight-bar, last connecting rod, lower link, screw rod or nut flexibly connect successively, and the shaft of cross bar is installed on the frame; One end of pull bar and the junction of straight-bar and last connecting rod flexibly connect, and its other end is installed on the frame, and an end of foot-driven lever is installed on the frame, links together by connecting rod between the junction of the shaft of foot-driven lever and last connecting rod and lower link.
6, a kind of pressure method of the pressue device of moulding press according to claim 1, it is characterized in that: the workpiece that at first will need to process is placed on the mould below, finish the moulding press mould-closing stroke by mechanical transmission mechanism then, again by pressing mechanism to the mechanical transmission mechanism applied thrust, last mechanical transmission mechanism is delivered to the thrust that pressing mechanism produced on the mould, mould pressurizes to workpiece, finishes the moulding press pressure stroke.
7, the pressure method of moulding press pressue device according to claim 6 is characterized in that: described mechanical transmission mechanism is jointed gear unit, eccentric drive mechanism or cam drive.
8, the pressure method of moulding press pressue device according to claim 6 is characterized in that: described pressing mechanism is hydraulic mechanism, screw mechanism or eccentric stiffener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510060557 CN1730264A (en) | 2005-08-30 | 2005-08-30 | Pressure device of molding press and pressuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510060557 CN1730264A (en) | 2005-08-30 | 2005-08-30 | Pressure device of molding press and pressuring method thereof |
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| Publication Number | Publication Date |
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| CN1730264A true CN1730264A (en) | 2006-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510060557 Pending CN1730264A (en) | 2005-08-30 | 2005-08-30 | Pressure device of molding press and pressuring method thereof |
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| CN (1) | CN1730264A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976637A (en) * | 2010-10-09 | 2011-02-16 | 朱志华 | Magnetic latching relay with self-locking structure |
| CN103600332A (en) * | 2013-11-22 | 2014-02-26 | 广州中国科学院先进技术研究所 | Assembling device for plastic and silicon rotary drums |
| CN106032081A (en) * | 2015-03-20 | 2016-10-19 | 杭州海泽电子科技有限公司 | Apparatus for pressing and bending handle of reverse side film |
| CN107081929A (en) * | 2017-04-28 | 2017-08-22 | 江门市联兴高频设备有限公司 | A kind of adjustable protection formula pedal detent mechanism of stroke |
-
2005
- 2005-08-30 CN CN 200510060557 patent/CN1730264A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976637A (en) * | 2010-10-09 | 2011-02-16 | 朱志华 | Magnetic latching relay with self-locking structure |
| CN101976637B (en) * | 2010-10-09 | 2015-09-02 | 朱志华 | There is the magnetic latching relay of self-locking structure |
| CN103600332A (en) * | 2013-11-22 | 2014-02-26 | 广州中国科学院先进技术研究所 | Assembling device for plastic and silicon rotary drums |
| CN103600332B (en) * | 2013-11-22 | 2015-07-29 | 广州中国科学院先进技术研究所 | Plastic silicon glue cylinder assembling device |
| CN106032081A (en) * | 2015-03-20 | 2016-10-19 | 杭州海泽电子科技有限公司 | Apparatus for pressing and bending handle of reverse side film |
| CN106032081B (en) * | 2015-03-20 | 2018-05-22 | 杭州海泽电子科技有限公司 | A kind of hold-down devices for bending reverse side film handle |
| CN107081929A (en) * | 2017-04-28 | 2017-08-22 | 江门市联兴高频设备有限公司 | A kind of adjustable protection formula pedal detent mechanism of stroke |
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