CN105291342B - Building material foaming mold with device capable of being manually and quickly opened and positioned - Google Patents
Building material foaming mold with device capable of being manually and quickly opened and positioned Download PDFInfo
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- CN105291342B CN105291342B CN201510916655.8A CN201510916655A CN105291342B CN 105291342 B CN105291342 B CN 105291342B CN 201510916655 A CN201510916655 A CN 201510916655A CN 105291342 B CN105291342 B CN 105291342B
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- lead screw
- connecting rod
- screw nut
- nut
- rod
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- 239000004566 building material Substances 0.000 title claims abstract description 14
- 238000005187 foaming Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims abstract description 3
- 238000005070 sampling Methods 0.000 claims description 26
- 239000000872 buffer Substances 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
Abstract
The invention discloses a building material foaming mold with a device capable of being manually and quickly opened and positioned, which comprises a rack, a static mold frame fixed on the rack, a movable mold frame movably arranged on the rack and a driving mechanism for driving the movable mold frame to move, wherein the driving mechanism comprises a hand wheel and a lead screw fixed on the axis of the hand wheel, a first lead screw nut and a second lead screw nut are matched on the lead screw, the matching part of the lead screw and the first lead screw nut is in a left-handed screw shape, the matching part of the lead screw and the second lead screw nut is in a right-handed screw shape, and the first lead screw nut and the second lead screw nut are both connected with the movable mold frame through a connecting rod. Compared with the prior art, the invention has the beneficial effects that: the screw rod is adopted to realize transmission, the mechanism is accurate and reliable in motion, the mold clamping force is large, and mold bulging and fire running cannot be caused; the die opening and closing device is convenient to operate, the die opening and closing process can be realized only by hand-cranking a hand wheel, the labor intensity is reduced, the operation time for die closing is short, and the production efficiency of products is improved.
Description
Technical Field
The invention relates to a building material foaming mold, in particular to a building material foaming mold with a device capable of being manually and quickly opened and positioned.
Background
The building material foaming mold is a novel energy-saving heat-insulating polyurethane building material foaming mold, can be mounted on automatic production equipment in multiple groups, and is widely applied to the building industry at present. At present, polyurethane building material foaming molds all adopt a traditional strip splicing structure. Not only intensity of labour is big, and the operation is inconvenient, and the manual work is opened and the location time is long, and production efficiency is low, has certain potential safety hazard moreover.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a safe, time-saving, labor-saving and efficient building material foaming mold with a device capable of being manually and quickly opened and positioned.
In order to solve the technical problems, the technical scheme of the invention is as follows: the device comprises a rack, a static mould frame fixed on the rack, a movable mould frame movably arranged on the rack and a driving mechanism for driving the movable mould frame to move, wherein the driving mechanism comprises a hand wheel and a lead screw fixed on the axis of the hand wheel, the lead screw is provided with a first lead screw nut and a second lead screw nut, the matching part of the lead screw and the first lead screw nut is in left-handed rotation, the matching part of the lead screw and the second lead screw nut is in right-handed rotation, and the first lead screw nut and the second lead screw nut are both connected with the movable mould frame through a connecting rod;
a buffer mechanism is respectively arranged between the two screw rod nuts and the movable mold frame, acts along with the connected screw rod nuts and buffers the action of the screw rod nuts;
the connecting rod is connected with the movable mould frame through a guide block arranged in a side groove of the movable mould frame, and the guide block vertically moves along the side groove;
the inner side of the rack is also provided with a proximity position sensor which detects the position of the screw rod nut within a preset time and transmits the position to a circuit board fixed on the rack; the circuit board acquires the position information of the screw rod nut, compares the acquired position information with a standard position information value, and can continue to move if the actual position information is within a preset threshold range; and if the actual position information is not within the preset threshold range, the circuit board controls an alarm connected with the circuit board to alarm.
Preferably, the buffer mechanism comprises a fixed block fixedly connected with the inner side wall of the rack, the fixed block is connected with a first connecting rod, and the first connecting rod can rotate around the fixed block; the end part of the first connecting rod is connected with a connecting plate, and the connecting plate is also connected with the second connecting rod;
the second connecting rod is connected with a third connecting rod, and the tail end of the third connecting rod is also connected with a first lead screw nut;
when the first lead screw nut moves along the lead screw, the first connecting rod drives the connecting plate to rotate, the connecting plate further drives the second connecting rod and the third connecting rod to rotate, and when the first lead screw nut moves, correspondingly, the buffer mechanism rotates under the action of the first lead screw nut and limits the rapid movement of the first lead screw nut.
Preferably, a first buffer spring is further connected between the third connecting rod and the movable mold frame, and the first buffer spring provides tension to the third connecting rod when the third connecting rod is in the straightened state.
Preferably, two side walls of the groove are respectively provided with corresponding notches, and the guide block is installed in the notches and can vertically move along the notches;
a damper is also arranged between the first screw nut and the second screw nut and is a hydraulic damper, one end of a piston rod of the damper is connected with the first screw nut, and the other end of the damper is connected with the second screw nut;
and two ends of the first lead screw nut and the second lead screw nut are respectively connected with a second buffer spring for secondarily limiting the positions of the two lead screw nuts.
Preferably, the circuit board includes a data acquisition module for acquiring sampling information close to the position sensor, a data processing module for processing position data, and a storage module for storing position threshold information.
Preferably, the data acquisition module performs random sampling on the current signal, and selects n sampling points at preset time every cycle for the signal waveform in every continuous K cycles, with a time interval T0Sampling once, and continuously sampling for M times; the time interval deltat of the n sampling points selected in each period is calculated according to the following formula (1),
in the formula, Δ T represents the time interval of the sampling points, a is a correction coefficient, the magnitude of which is determined by the number of the sampling points, ω represents the angular frequency of the signal and is determined by the performance of the proximity position sensor, β is an initial phase angle, T represents the time of the signal period, and λ represents the peak value of the signal waveform.
Preferably, the connecting rod is connected with the movable mold frame through a rotating shaft.
Preferably, the connecting rod is connected with the first lead screw nut and the second lead screw nut through a rotating shaft.
Preferably, the inner wall of the frame is provided with a sliding chute, and sliding blocks are arranged at the positions, corresponding to the sliding chutes, of the two sides of the movable die carrier.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, low manufacturing cost and wide application range; the screw rod is adopted to realize transmission, the mechanism is accurate and reliable in motion, the mold clamping force is large, and mold bulging and fire running cannot be caused; the mould opening and closing process can be realized only by manually turning the hand wheel, the labor intensity is reduced, the mould closing operation time is short, and the production efficiency of products is improved; the groove and the sliding block are matched to ensure accurate positioning, and the phenomenon of wrong mold easily occurring during manual mold opening and closing is overcome.
Drawings
FIG. 1 is a front view of a building material foaming mold with a manually quick opening and positioning device of the present invention;
FIG. 2 is a top view of a building material foaming mold with a manually quick opening and positioning device of the present invention;
fig. 3 is a right-view structural schematic diagram of the movable die carrier of the invention.
Detailed Description
So that the manner in which the above recited features of the present invention can be understood and readily understood, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:
referring to fig. 1, which is a front view of a building material foaming mold with a device capable of being manually and rapidly opened and positioned according to the present invention, the building material foaming mold with a device capable of being manually and rapidly opened and positioned according to the present embodiment includes a frame 1, a stationary mold frame 2 fixed on the frame 1, a movable mold frame 3 movably disposed on the frame 1, and a driving mechanism for driving the movable mold frame 3 to move.
The actuating mechanism includes hand wheel 4, is fixed in the lead screw 5 in 4 axle centers of hand wheel, be furnished with first screw-nut 6 and second screw-nut 7 on the lead screw 5, lead screw 5 is the levogyration with 6 cooperation part screw threads of first screw-nut, lead screw 5 is the dextrorotation with 7 cooperation part screw threads of second screw-nut.
The first lead screw nut 6 and the second lead screw nut 7 are both connected with the movable mould frame 3 through a connecting rod 8, the connecting rod 8 is connected with the movable mould frame 3 through a rotating shaft, and the connecting rod 8 is connected with the first lead screw nut 6 and the second lead screw nut 7 through a rotating shaft.
The inner wall of the frame 1 is provided with a sliding chute, and sliding blocks are arranged on the two sides of the movable die carrier 3 corresponding to the sliding chute.
And a guide block 9 is arranged on one side of the movable mold frame 3, is connected with the connecting rod 8 and can vertically move along the movable mold frame 3.
When the die is used, the hand wheel 4 is transferred anticlockwise, the screw rod 5 drives the first screw rod nut 6 and the second screw rod nut 7 to move towards the direction far away from the central line, and the connecting rod connected with the nuts drives the movable die frame 3 to open the die. And manually taking out the foamed product, putting the product substrate to be foamed into the foamed product, transferring the hand wheel 4 clockwise, driving the first screw rod nut 6 and the second screw rod nut 7 to move towards the direction far away from the central line by the screw rod 5, and driving the movable die frame 3 to close the die by a connecting rod connected with the nuts.
Referring to fig. 2, in the embodiment of the present invention, two buffer mechanisms are disposed between the movable mold frame 3 and the screw 5, and each buffer mechanism includes a fixed block 11 fixedly connected to an inner side wall of the frame 1, the fixed block 11 is connected to a first link 12, and the first link 12 can rotate around the fixed block 11; the end of the first link 12 is connected to a connecting plate 13, and the connecting plate 13 is further connected to a second link 14, in this embodiment, the connecting plate 13 can move in a plane, which drives the second link 14 connected thereto to rotate.
The second connecting rod 14 is connected with a third connecting rod 15, and the tail end of the third connecting rod 15 is also connected with the first screw rod nut 6; when the first lead screw nut 6 moves along the lead screw, the first connecting rod 12 drives the connecting plate 13 to rotate, the connecting plate 13 further drives the second connecting rod 14 and the third connecting rod 15 to rotate, when the first lead screw nut 6 moves, correspondingly, the buffer mechanism rotates under the action of the first lead screw nut 6 and limits the rapid movement of the first lead screw nut 6, and when the first lead screw nut is in place, the buffer mechanism plays a role in limiting the first lead screw nut.
A first buffer spring 16 is further connected between the third connecting rod 15 and the movable mold frame 3, and when the third connecting rod 15 is in the extended state, the first buffer spring 16 provides tension to the third connecting rod 15 to prevent the first lead screw nut 6 from exceeding the preset stroke.
A buffer mechanism with the same structure is also arranged between the second screw nut 7 and the movable mold frame 3 and is used for limiting the stroke of the screw nut and ensuring the stability of the screw nut.
Referring to fig. 3, which is a schematic diagram of a right view structure of the movable mold frame of the present invention, in this embodiment, a groove 34 is disposed on a side surface of the movable mold frame 3; corresponding notches 35 are respectively formed in two side walls of the groove 34, and the guide block 9 is installed in the notches 35 and can vertically move along the notches.
A damper 32 is further disposed between the first lead screw nut 6 and the second lead screw nut 7, and in this embodiment, the damper is a hydraulic damper, one end of a piston rod of the damper is connected to the first lead screw nut 6, and the other end of the damper is connected to the second lead screw nut 7. When the two screw nuts move, the damper can ensure the vertical positions of the two screw nuts, and ensure that the screw nuts move in a proper stroke range.
And two ends of the first lead screw nut 6 and the second lead screw nut 7 are respectively connected with a second buffer spring 31 for secondarily limiting the positions of the two lead screw nuts.
In order to monitor the position of the screw nut and conveniently and timely adjust the position, a proximity position sensor 19 is further arranged on the inner side of the frame 1, and detects the position of the screw nut within a preset time and transmits the position to a circuit board 18 fixed on the frame 1.
The circuit board 18 in the embodiment of the invention compares the acquired position information of the screw nut with a standard position information value, and can continue to move if the actual position information is within a preset threshold range; if the actual position information is not within the preset threshold range, the circuit board 18 controls an alarm connected with the circuit board to alarm.
In the embodiment of the present invention, the circuit board 18 includes a data acquisition module for acquiring sampling information close to the position sensor 19, a data processing module for processing position data, and a storage module for storing position threshold information.
In the embodiment of the invention, when the data acquisition module acquires the current signal, the random sampling mode is adopted, and n sampling points at preset time are selected per cycle in each continuous K cycles of signal waveform, wherein the T is the interval time0Sampling once, and continuously sampling for M times; in order to ensure the referential and accuracy of the sampled data, the time interval of n sampling points selected in each periodThe interval deltat is calculated according to the following formula (1),
in the formula, Δ T represents the time interval of the sampling points, a is a correction coefficient, the magnitude of which is determined by the number of the sampling points, ω represents the angular frequency of the signal and is determined by the performance of the proximity position sensor, β is an initial phase angle, T represents the time of the signal period, and λ represents the peak value of the signal waveform.
Sampling by the formula (1), wherein the sampling is denser and the referential property of the sampled data is stronger when the signal amplitude is larger; the sampling samples the signal data according to the preset condition, so that the subsequent signal processing data volume is reduced, and the complex operation of data processing is reduced.
The mechanism of the invention has accurate and reliable motion and large mold clamping force, and can not cause mold bulging and fire running; the die opening and closing device is convenient to operate, the die opening and closing process can be realized only by hand-cranking a hand wheel, the labor intensity is reduced, the operation time for die closing is short, and the production efficiency of products is improved.
The screw rod nut has a multiple retarding structure and a position buffering mechanism, so that the stability and the reliability of the screw rod nut in the movement process are ensured; meanwhile, the position is detected and monitored in the whole process, so that the fault is avoided, and the operation difficulty of the equipment is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A building material foaming mold with a device capable of being manually and quickly opened and positioned is characterized by comprising a rack, a static mold frame fixed on the rack, a movable mold frame movably arranged on the rack and a driving mechanism for driving the movable mold frame to move, wherein the driving mechanism comprises a hand wheel and a lead screw fixed on the axis of the hand wheel, a first lead screw nut and a second lead screw nut are matched on the lead screw, the matching part of the lead screw and the first lead screw nut is in a left-handed thread form, the matching part of the lead screw and the second lead screw nut is in a right-handed thread form, and the first lead screw nut and the second lead screw nut are both connected with the movable mold frame through a fourth connecting rod; a buffer mechanism is respectively arranged between the two screw rod nuts and the movable mold frame, acts along with the connected screw rod nuts and buffers the action of the screw rod nuts; the fourth connecting rod is connected with the movable mould frame through a guide block arranged in a side groove of the movable mould frame, and the guide block vertically moves along the side groove; the inner side of the rack is also provided with a proximity position sensor which detects the position of the screw rod nut within a preset time and transmits the position to a circuit board fixed on the rack; the circuit board acquires the position information of the screw rod nut, compares the acquired position information with a standard position information value, and can continue to move if the actual position information is within a preset threshold range; if the actual position information is not within the preset threshold range, the circuit board controls an alarm connected with the circuit board to alarm; the buffer mechanism comprises a fixed block fixedly connected with the inner side wall of the rack, the fixed block is connected with a first connecting rod, and the first connecting rod can rotate around the fixed block; the end part of the first connecting rod is connected with a connecting plate, and the connecting plate is also connected with the second connecting rod; the second connecting rod is connected with a third connecting rod, and the tail end of the third connecting rod is also connected with a first lead screw nut; when the first screw rod nut moves along the screw rod, the first connecting rod drives the connecting plate to rotate, the connecting plate further drives the second connecting rod and the third connecting rod to rotate, and when the first screw rod nut moves, the buffer mechanism correspondingly rotates under the action of the first screw rod nut and limits the rapid movement of the first screw rod nut;
a first buffer spring is connected between the third connecting rod and the movable mold frame, and provides tension force for the third connecting rod when the third connecting rod is in a straightening state;
two side walls of the groove are respectively provided with corresponding notches, and the guide block is arranged in the notches and can vertically move along the notches; a damper is also arranged between the first screw nut and the second screw nut and is a hydraulic damper, one end of a piston rod of the damper is connected with the first screw nut, and the other end of the damper is connected with the second screw nut; two ends of the first lead screw nut and the second lead screw nut are respectively connected with a second buffer spring for limiting the positions of the two lead screw nuts for the second time;
the circuit board comprises a data acquisition module for acquiring sampling information close to the position sensor, a data processing module for processing position data and a storage module for storing position threshold information;
the data acquisition module is used for acquiring current signals in a random sampling mode, and for signal waveforms, n sampling points at preset time are selected in each period in every continuous K periods, and sampling is carried out once every interval T0 for M times continuously; the time interval deltat of the n sampling points selected in each period is calculated according to the following formula (1),
in the formula, Δ T represents the time interval of sampling points, a is a correction coefficient, the magnitude of a correction coefficient is determined by the number of the sampling points, ω represents the angular frequency of a signal and is determined by the performance of a proximity position sensor, β is an initial phase angle, T represents the time of a signal period, and λ represents the peak value of a signal waveform;
the fourth connecting rod is connected with the movable mold frame through a rotating shaft;
the fourth connecting rod is connected with the first screw nut and the second screw nut through a rotating shaft;
the inner wall of the frame is provided with a sliding groove, and sliding blocks are arranged on two sides of the movable die frame and correspond to the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916655.8A CN105291342B (en) | 2015-12-10 | 2015-12-10 | Building material foaming mold with device capable of being manually and quickly opened and positioned |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916655.8A CN105291342B (en) | 2015-12-10 | 2015-12-10 | Building material foaming mold with device capable of being manually and quickly opened and positioned |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291342A CN105291342A (en) | 2016-02-03 |
| CN105291342B true CN105291342B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510916655.8A Active CN105291342B (en) | 2015-12-10 | 2015-12-10 | Building material foaming mold with device capable of being manually and quickly opened and positioned |
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| CN (1) | CN105291342B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856655B (en) * | 2016-04-27 | 2018-04-03 | 黄伟东 | A kind of battenboard of in-site pouring foaming |
| CN109159346A (en) * | 2018-10-24 | 2019-01-08 | 福建海源自动化机械股份有限公司 | A kind of plate blank damping retention device of foaming-shaping apparatus |
| CN109968585A (en) * | 2019-05-05 | 2019-07-05 | 滁州益佳模具设备制造有限公司 | A kind of adjustable multi-functional foaming mould device |
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| CN1575950A (en) * | 2003-07-22 | 2005-02-09 | 住友化学工业株式会社 | Method for producing a thermoplastic resin molded article |
| KR20080006501U (en) * | 2007-06-20 | 2008-12-24 | 쿠르츠 게엠베하 | Automatic molding machine with rotating mold |
| CN201217259Y (en) * | 2008-05-10 | 2009-04-08 | 安徽鲲鹏装备模具制造有限公司 | Building material foaming mould with apparatus capable of manually and quickly opening and positioning |
| CN201275842Y (en) * | 2008-08-15 | 2009-07-22 | 滁州市宏达模具制造有限公司 | Box body foaming bulging die connecting bar connecting bar base |
| CN203901608U (en) * | 2014-06-30 | 2014-10-29 | 浙江圣诺盟顾家海绵有限公司 | Adjustable foaming tank |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203295114U (en) * | 2013-06-13 | 2013-11-20 | 上海大学 | Small-sized lifting platform |
| CN204566482U (en) * | 2015-04-16 | 2015-08-19 | 台州市博纳模具有限公司 | A kind of positioner of clapper die spotting press |
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2015
- 2015-12-10 CN CN201510916655.8A patent/CN105291342B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575950A (en) * | 2003-07-22 | 2005-02-09 | 住友化学工业株式会社 | Method for producing a thermoplastic resin molded article |
| KR20080006501U (en) * | 2007-06-20 | 2008-12-24 | 쿠르츠 게엠베하 | Automatic molding machine with rotating mold |
| CN201217259Y (en) * | 2008-05-10 | 2009-04-08 | 安徽鲲鹏装备模具制造有限公司 | Building material foaming mould with apparatus capable of manually and quickly opening and positioning |
| CN201275842Y (en) * | 2008-08-15 | 2009-07-22 | 滁州市宏达模具制造有限公司 | Box body foaming bulging die connecting bar connecting bar base |
| CN203901608U (en) * | 2014-06-30 | 2014-10-29 | 浙江圣诺盟顾家海绵有限公司 | Adjustable foaming tank |
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| CN105291342A (en) | 2016-02-03 |
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