CN102398689B - Full-automatic quantitative packaging machine with dedusting function - Google Patents
Full-automatic quantitative packaging machine with dedusting function Download PDFInfo
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- CN102398689B CN102398689B CN2011103845580A CN201110384558A CN102398689B CN 102398689 B CN102398689 B CN 102398689B CN 2011103845580 A CN2011103845580 A CN 2011103845580A CN 201110384558 A CN201110384558 A CN 201110384558A CN 102398689 B CN102398689 B CN 102398689B
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Abstract
The invention discloses a full-automatic quantitative packaging machine with a dedusting function, and belongs to the technical field of packaging machines. The full-automatic quantitative packaging machine comprises a frame with a frame platform, a material storage mechanism, a weighing mechanism, a weighing feed pipe, a pair of weighing feed pipe clamping mechanisms, a weighed material discharging mechanism, a discharged material filling bag-clamping mechanism and a material compensation mechanism, wherein the frame is provided with a positioning plate; a weighing feed pipe sleeve is formed in the center of the positioning plate; a feed cavity is formed in the center of the weighing feed pipe sleeve; and one side of the frame platform, facing the weighed material discharging mechanism, is fixed with a sheath barrel. The full-automatic quantitative packaging machine is characterized in that: the wall of a weighing hopper accommodating cavity is provided with a dust suction hole connected with a dust suction pipe; and the dust suction pipe is connected with a negative pressure dust suction device. The invention has the advantages that: the packaging machine can be ensured to continuously work under the condition of dedusting without halt to improve the packaging efficiency, and the labor intensity of workers is reduced due to no need of manual dedusting.
Description
Technical field
The invention belongs to packing machinery technology, be specifically related to a kind of full automaticity quantitative package machine with dedusting function
Background technology
for the packing of the powder of fine chemical material, medicine chemical material, dyestuff, pigment, calcium carbonate, kaolin, phenol resin and even food such as superfine powder, metallic ore and nonmetalliferous ore powder such as flour, food seasoning or the like and so on or particulate material generally by before Manual Packaging pattern gradually transition be present S. A. and full-automatic mechanical packaging.The automatic packaging facility have packaging efficiency height, accurate measurement, the input manpower is few and help to alleviate strong points such as working strength of workers, thereby the production unit that is not limited to above mentioned product widely uses.
are no lack of the technology contents that is seen in about the full automaticity quantitative package machine in the Chinese patent document; Like CN2333623Y (automatic quantitative packing machine), CN201512126U (the sackholder mechanism of the band steel band on the full automaticity quantitative package machine) and CN201872967U (a kind of automatic quantitative packing machine), CN2538672Y (automatic quantitative packing machine), CN2778680Y (following weighing formula automatic quantitative packing machine) and CN2778681Y (suspension type automatic quantitative packing machine), or the like.
are though the each have their own technical advantage of above-mentioned patented technology scheme is a technique effect; But existence needs regularly or the shortcoming of downtime dedusting aperiodically; Shut down and remove the continuous-running efficiency that dust can influence wrapping machine, and the additive incrementation working strength of workers.Especially, in case be negligent of timely cleaning, then undoubtedly can influence product design.For example when the material of packing be cleanliness when requiring harsh drug powder, pollute if suffer trifle in the world, then can cause the clinical treatment accident.
In view of the shortcoming in the above-mentioned prior art; Necessity that improvement is very arranged has been done useful design to this applicant, and under the secrecy provision of strictness, has done experiment in the applicant plant area; It is practicable that the result proves, and the technical scheme that will introduce below is based on producing under this prerequisite
Summary of the invention
task of the present invention is to provide a kind of full automaticity quantitative package machine with dedusting function that need not under stopped status and need not to be implemented with manual mode by the workman cleaning effect that helps the protective packing machine of cleaning.
task of the present invention is accomplished like this; A kind of full automaticity quantitative package machine with dedusting function; Comprise a frame with framework platform; On this frame, be installed with a dowel disc, the central authorities of this dowel disc constitute the feed pipe sleeve of weighing, and these central authorities of weighing the feed pipe sleeve constitute the pan feeding chamber; One storing mechanism, this storing mechanism is installed in the top of frame, and this storing mechanism is connected with the said feed pipe sleeve of weighing at the position corresponding to said pan feeding chamber; One Weighing mechanism, this Weighing mechanism is bearing on the described framework platform, and corresponding to the below of said storing mechanism; One is used for the material of being introduced by storing mechanism is caused the feed pipe of weighing that said Weighing mechanism is weighed, and the upper end of this feed pipe of weighing is connected with the feed pipe sleeve of weighing, and communicates with said pan feeding chamber, and the lower end of the feed pipe of weighing is connected with Weighing mechanism; The a pair of feed pipe clamping mechanism of weighing that faces each other and be provided with and being used for of corresponding respectively to the said feed pipe both sides of weighing clamps or discharge the feed pipe of weighing is arranged on the described frame; The material discharging mechanism of weighing that one material after being used for Weighing mechanism weighed is drawn, this weigh material discharging mechanism and described Weighing mechanism connect; One can discharging bag inserting machine structure is connected with said framework platform, and corresponding to the below of the said discharging mechanism of weighing; One is used for the Weighing mechanism feed supplement used and ensures Weighing mechanism weighing material compensation mechanism accurately; Be arranged on the said frame; Connect with said storing mechanism, and connect with Weighing mechanism, described framework platform is fixedly connected with a pretective sleeve pipe towards a said side of weighing the material discharging mechanism with cantilever position; This pretective sleeve pipe has the bucket capacity of weighing and goes into the chamber; The described material discharging mechanism of weighing is positioned at the described bucket capacity of weighing and goes into the chamber, and described can discharging bag inserting machine structure is connected with pretective sleeve pipe, is characterised in that: go at the described bucket capacity of weighing on the chamber wall in chamber to offer an air suction opening; On this air suction opening, be connected with a sweep-up pipe, this sweep-up pipe is connected with the negative pressure dust eliminating equipment.
are in a concrete embodiment of the present invention; Described storing mechanism comprises that a material storage tube and a vacuum draw feeding pipe; Vacuum is drawn an end of feeding pipe and the roof of material storage tube connects, and communicates with the material storage tube chamber of material storage tube, and vacuum is drawn the other end of feeding pipe and drawn the material machine with vacuum and be connected; Narrow the contracting in the bottom of material storage tube constitutes a material storage tube discharge bucket, and this material storage tube discharge bucket is connected with the described feed pipe sleeve of weighing; Described material compensation mechanism comprises oscillator, vibration discharge nozzle, adapting pipe, vibration feed pipe and feed supplement bucket; Oscillator is fixed on the described frame, and the vibration discharge nozzle is fixed on the oscillator with the horizontal boom state substantially, and has connected a feed supplement pipe at the horizontal boom end of this vibration discharge nozzle; This feed supplement pipe and Weighing mechanism connect; Adapting pipe is fixed on the vibration discharge nozzle, and communicates with the vibration discharging tube chamber of vibration discharge nozzle, and an end and the adapting pipe of vibration feed pipe connect; The other end is connected with the feed supplement bucket, and the feed supplement bucket is positioned at said material storage tube chamber.
are in another concrete embodiment of the present invention; Described Weighing mechanism comprises gravimetric tank, weight sensor and gravimetric tank frame; Weight sensor is arranged on the described framework platform, and gravimetric tank is fixed on the gravimetric tank frame, and gravimetric tank frame and weight sensor are fixed; Wherein: the top of gravimetric tank is furnished with the cover of weighing; This cover of weighing is connected with the lower end of the said feed pipe of weighing, and the narrow gravimetric tank discharge bucket that shortened in the bottom of gravimetric tank, this gravimetric tank discharge bucket is connected with the said material discharging mechanism of weighing.
are in another concrete embodiment of the present invention; The described a pair of feed pipe clamping mechanism of weighing respectively comprises first acting cylinder, first connector, a pair of first jig arm that corresponds to each other, first pinch and gripper arm seat; Gripper arm seat and said frame are fixed; First acting cylinder is fixed on the gripper arm seat; First connector is fixed on the end of the first acting cylinder post of first acting cylinder; On this first connector and towards an end of a side of gripper arm seat, be installed with one first bearing pin, and the other end is installed with one second bearing pin, the middle part pivotal joint of one of them first jig arm in a pair of first jig arm is on gripper arm seat; The upper end offers a bearing pin groove; One end of the lower end and first pinch is fixed, and the lower end of another first jig arm in the other end of first pinch and a pair of first jig arm is fixed, and the middle part pivotal joint of another first jig arm in a pair of first jig arm is on another gripper arm seat of a pair of feed pipe clamping mechanism of weighing; The bearing pin groove of the upper end of one of them first jig arm in described first bearing pin and a pair of first jig arm matches, and the bearing pin groove that the upper end with corresponding first jig arm of second bearing pin in a pair of first jig arm of another the feed pipe clamping mechanism of weighing in second bearing pin and a pair of feed pipe clamping mechanism of weighing is offered matches.
are in another concrete embodiment of the present invention; The described material discharging mechanism of weighing comprises the discharge nozzle of weighing, discharge nozzle fixing device positioning seat, discharging sleeve and a pair of discharge nozzle fixing device of weighing; Upper end at discharge nozzle fixing device positioning seat is fixed with a coupling bush; The upper end of this coupling bush is connected with described gravimetric tank discharge bucket; Captive joint with the lower end of coupling bush in the weigh upper end of discharge nozzle, and the lower end of the discharge nozzle of weighing is connected with the discharging sleeve, and fix with the lower end of discharge nozzle fixing device positioning seat; In a pair of discharge nozzle fixing device of weighing one of them weighed the discharge nozzle fixing device corresponding to a side of the said discharge nozzle of weighing, and another discharge nozzle fixing device opposite side corresponding to the discharge nozzle of weighing of weighing.
also have among the concrete embodiment of the present invention; The described a pair of discharge nozzle fixing device of weighing respectively comprises one second acting cylinder, one second connector, a jig arm cross bar, one second jig arm, one the 3rd jig arm and one second pinch; Second acting cylinder vertically is arranged on the described discharge nozzle fixing device positioning seat; And corresponding to the outer wall of a side of discharge nozzle fixing device positioning seat, the second acting cylinder post of this second acting cylinder is towards last, and second connector is fixed on the end of the second acting cylinder post; The jig arm cross bar is set on second connector; The middle part pivotal joint of second jig arm is on discharge nozzle fixing device positioning seat, and an end of an end of second jig arm and said jig arm cross bar is fixed, and an end of the other end of second jig arm and second pinch is fixed; The middle part pivotal joint of the 3rd jig arm is on discharge nozzle fixing device positioning seat; And the other end of an end of the 3rd jig arm and jig arm cross bar is fixed, and the other end of the other end of the 3rd jig arm and second pinch is fixed, and second pinch is corresponding with a side of the said discharge nozzle of weighing.
are more of the present invention and among concrete embodiment; Described can discharging bag inserting machine structure comprises connect material case and a pair of packaging bag sack holding device; The case that connects material is captiveed joint with described pretective sleeve pipe; This case that connects material has the case chamber that connects material; Middle position in the bottom in this case chamber that connects material offers one and is used for the matching hole that matches with the described material discharging mechanism of weighing, outside the diapire of case that connects material and at the position corresponding to said matching hole, is extended with a packaging bag sack sleeve pipe, and one of them the packaging bag sack holding device in a pair of packaging bag sack holding device is arranged on the outer wall of a side of the said case that connects material; And another packaging bag sack holding device is arranged on the outer wall of opposite side of the case that connects material, and both correspond to each other.
are in of the present invention and then concrete embodiment; Described a pair of packaging bag sack holding device respectively comprises the 3rd acting cylinder, the 4th, the 5th jig arm, the 3rd pinch and the 4th pinch; The upper end pivotal joint of the 4th jig arm is on the described case that connects material; The 3rd pinch is fixed on the lower end of the 4th jig arm, and the upper end pivotal joint of the 5th jig arm is on the case that connects material, and the 4th pinch is fixed on the lower end of the 5th jig arm; Wherein: four, the 5th jig arm corresponds to each other; And three, the 4th pinch corresponds to each other equally, and the 3rd acting cylinder post of the 3rd acting cylinder is connected with the middle part of the 5th jig arm, and the acting cylinder seat of the 3rd acting cylinder is connected with the middle part of the 4th jig arm; And the middle part of the 4th jig arm also is connected through the 4th jig arm of at least one first stirrup with another packaging bag sack holding device, and the middle part of the 5th jig arm is connected through the 5th jig arm of at least one second stirrup with another packaging bag sack holding device equally.
of the present invention again more and among concrete embodiment, described negative pressure dust eliminating equipment is a dedusting fan.
In again of the present invention and then concrete embodiment, described vibration feed pipe is obliquely installed
.
technical scheme provided by the invention is owing to go on the chamber wall in chamber to have offered air suction opening being positioned at the bucket capacity of weighing corresponding to the pretective sleeve pipe in can zone below the framework platform; And on air suction opening, connected and be used for and negative pressure dust eliminating equipment bonded assembly sweep-up pipe; Because of after upwards the material dust of disperse is entering into the bucket capacity of weighing and goes in the chamber in pouring process, in time being absorbed; Both may be embodied in dedusting under the non-stop-machine state and guaranteed the wrapping machine continuous firing; Promote packaging efficiency, alleviate working strength of workers because of need not hand ashing again.
Description of drawings
Fig. 1 is an integral structure scheme drawing of the present invention.
Fig. 2 removes the detailed structure view of can discharging bag inserting machine structure for Fig. 1.
The scheme drawing that
Fig. 3 matches with can discharging bag inserting machine structure for the material discharging mechanism of weighing shown in Figure 1.
The specific embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the inspector that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
please be referring to Fig. 1 and Fig. 2; Provided a frame 1, this frame 1 also can be referred to as housing shroud, and it is fixed on the framework platform 11; Frame 1 also has frame top board 13 and framework soleplate 14, constitutes frame separate space 15 between frame top board 13 and the framework soleplate 14.On frame 1; More properly say and on aforementioned frame top board 13, be provided with a dowel disc 12; One group of dowel disc fix screw of these dowel disc 12 usefulness 122 is fixing with frame top board 13; And the central authorities of dowel disc 12 are formed with the feed pipe sleeve 121 of weighing, and this feed pipe sleeve 121 of weighing is stretched in the aforesaid frame separate space 15, and the central cavity volume of the feed pipe sleeve 121 of weighing constitutes pan feeding chamber 1211.
aforesaid framework platform 11 towards under a side with welding, riveted joint, fastener or be connected with a pretective sleeve pipe 111 with other similar fashion; In the present embodiment; Adopt fastener for example to adopt pretective sleeve pipe fix screw 1114 that pretective sleeve pipe 111 is fixing with framework platform 11; The top of this pretective sleeve pipe 111 and occupy middle position and offer the bucket capacity of weighing and go into chamber 1111; And on the sidewall of pretective sleeve pipe 111, offer an air suction opening 1112; On air suction opening 1112, be connected with a sweep-up pipe 1113, this sweep-up pipe 1113 and negative pressure device for example dust absorption fan or similarly equipment is connected so that will be in packing (can) process the upwards trifle in the world absorption in the pretective sleeve pipe chamber 1111 of disperse; The material of avoiding getting in the packaging bag 9 pure through weighing material discharging mechanism 6 and get into packaging bag 9, ensureing by Fig. 1 and Fig. 3 signal.Because dedusting and wrapping machine work do not produce interference, therefore can improve packaging efficiency (need not to shut down) again, and owing to be automatic dedusting, so workman's operation intensity is able to remarkable reduction.
storing mechanism 2 is installed in the top of frame 1, promptly is installed on the frame top board 13.Shown in figure; Storing mechanism 2 comprises that a material storage tube 21 and a vacuum draw feeding pipe 22; The narrow material storage tube discharge bucket 213 that shortened in the bottom of material storage tube 21; The edge of the bottom of this material storage tube discharge bucket 213 is through first fastening hoop 2132 and aforesaid dowel disc 12 sealing and fixing, specifically is to be tightened up by the fastening hoop screw 2133 of Fig. 1 signal pair of end point with first fastening hoop 2132.As can be seen from the figure, on the wall body of material storage tube discharge bucket 213, offer the resigning hole 2131 that the feed supplement bucket connection pipe 851 of the feed supplement bucket 85 of the material compensation mechanism 8 that also will describe in detail below being used to supply passes again.On the roof 211 of material storage tube 21, be equipped with a lid 2111.Vacuum is drawn feeding pipe 22 and is communicated with the material storage tube chamber 212 of material storage tube 21 through interface 221, and shown in figure, interface 221 is fixing with aforementioned frame top board 13 through interface adapter plate 2211, and vacuum is drawn feeding pipe 22 and drawn the material machine with vacuum and be connected.Drawing powder that the material machine will pack or particulate material by vacuum draws feeding pipe 22 through vacuum and introduces in the material storage tube chambeies 212.
are fixed with the cover 311 of weighing on the top of aforesaid gravimetric tank 31 with second fastening hoop 3111; Aforesaid lower end of weighing feed pipe 5 is fixed with a feed pipe adapter sleeve 52; This feed pipe adapter sleeve 52 has an attachment flange limit 521, by flange fix screw 5211 feed pipe adapter sleeve 52 is captiveed joint with the aforesaid cover 311 of weighing.Preferred scheme can add cladding plate 3112 on the cover 311 of weighing, feed pipe adapter sleeve 52 is fixing with cladding plate 3112.The narrow gravimetric tank discharge bucket 312 that shortened in the lower end of gravimetric tank 31, this gravimetric tank discharge bucket 312 is connected with the following material discharging mechanism 6 of weighing that also will describe in detail.
are by shown in the figure; On the outer wall of gravimetric tank 31 and around the circumferencial direction of gravimetric tank 31, constitute a dust blocking tray 314; By forming mazy dustproof space between this dust blocking tray 314 and the framework platform 11, avoid trifle in the world to invade the material discharging mechanism 6 of weighing (concrete visible Fig. 1 signal) that is positioned at framework platform 11 belows.
are when Weighing mechanism 3 is weighed; The aforesaid feed pipe 5 of weighing stops gravimetric tank 31 feed to Weighing mechanism 3; In order to stop feed pipe 5 feed of weighing; Identical and the feed pipe clamping mechanisms 4 of weighing both sides that correspond respectively to the feed pipe 5 of weighing of a pair of structure of therefore being recommended by the present invention ensure; Preferably but not a pair of feed pipe clamping mechanism 4 of weighing that definitely is limited to respectively comprises first acting cylinder 41, first connector 42, a pair of first jig arm 43, first pinch 44 and gripper arm seat 45; First acting cylinder 41 both can use cylinder, also can use oil cylinder, and present embodiment is selected the former; And be fixed on the gripper arm seat 45; First connector 42 is fixed on the end of the first acting cylinder post 411 of first acting cylinder 41, on this first connector 42 and towards an end one of a side of gripper arm seat 45, constitute one first bearing pin 421, and other end one constitutes one second bearing pin 422; The shape of a pair of first jig arm 43 all is " Contraband " shape; The middle part of one of them first jig arm 43 is arranged on the gripper arm seat 45 through jig arm hub setting axle 432 pivots, and a upper end i.e. end offers a bearing pin groove 431, and the lower end is that an end of the other end and first pinch 44 is fixed; And the lower end of another first jig arm 43 in the other end of first pinch 44 and a pair of first jig arm 43 is fixed; The middle part pivotal joint of another first jig arm 43 in a pair of first jig arm 43 is on another gripper arm seat 45 of a pair of feed pipe clamping mechanism 4 of weighing, and the bearing pin groove 431 of the upper end of one of them first jig arm 43 in aforesaid first bearing pin 421 and a pair of first jig arm 43 matches, and in a pair of first jig arm 43 of another the feed pipe clamping mechanism 4 of weighing in second bearing pin 422 and a pair of feed pipe clamping mechanism 4 of weighing and match with bearing pin groove 431 that the upper end of second bearing pin, 422 corresponding first jig arm 43 is offered.
can be known by above-mentioned explanation; The a pair of feed pipe clamping mechanism 4 of weighing has two first acting cylinders 41, two first connectors 42, four first jig arm 43, two first pinches 44 and two gripper arm seats 45; A pair of action of weighing feed pipe clamping mechanism 4 is synchronous; When the first acting cylinder post 411 of first acting cylinder 41 stretches out outside cylinder; Then drive the upper end of a pair of first jig arm 43 respectively, make the lower end of a pair of first jig arm 43 drive a pair of first pinch 44 and close up, make the feed pipe 5 of weighing of the silaatic material between a pair of first pinch 44 receive flat by first, second bearing pin 421,422 on first connector 42; The logical material of blocking-up, vice versa.The a pair of feed pipe clamping mechanism 4 of weighing is positioned at aforesaid frame separate space 15.
are in the process that Weighing mechanism 3 is weighed; Exceed the scope that standard rationally allows for fear of weight error, promptly, prevent the phenomenon of giving short weight in order to make metering accurately; Therefore, as the technical essential of technical scheme provided by the invention and be equipped with a material compensation mechanism 8.
preferably but not the material compensation mechanism 8 that definitely is limited to comprises oscillator 81, vibration discharge nozzle 82, adapting pipe 83, vibration feed pipe 84 and feed supplement bucket 85; Oscillator 81 is fixed on the frame 1; More properly say to be fixed on the framework soleplate 14, be positioned at frame separate space 15.One end of vibration discharge nozzle 82 is fixed on oscillator 81, and the other end stretches towards the direction of the cover 31 of weighing of gravimetric tank 3, and is fixed with a feed supplement pipe 821, and feed supplement pipe 821 is fixed with the cover 311 of weighing and communicated with the gravimetric tank chamber of gravimetric tank 31.Adapting pipe 83 is fixed on the vibration discharge nozzle 82, and communicates (Fig. 1 shows) with the vibration discharging tube chamber 822 of vibration discharge nozzle 82.One end and the adapting pipe 83 of vibration feed pipe 84 connect, and the feed supplement bucket connection pipe 851 of the other end and feed supplement bucket 85 connects, and feed supplement bucket adapting pipe 851 and is fixed feed supplement bucket 85 on it in aforesaid resigning hole 2131 is stretched over the material storage tube chamber 212 of material storage tube 21.Aforesaid vibration feed pipe 84 is bevelleds, and more particularly, the direction towards vibration discharge nozzle 82 reduces the height of vibration feed pipe 84 from feed supplement bucket 85.
When in a single day
need feed supplement, then under the work of oscillator 81, material will be expected that through feed supplement bucket connection pipe 851, vibration feed pipe 84, adapting pipe 83, vibration discharge nozzle 82 and feed supplement pipe 821 compensation is to gravimetric tank 31 successively by feed supplement bucket 85.Shown in figure, vibration feed pipe 84 is bevelleds, and is high towards an end of material storage tube 21, and low towards an end of adapting pipe 83.
compensation principle of aforesaid material compensation mechanism 8 is the principle of work of electric and magnetic oscillation feed; Oscillator 81 is magnetic oscillator; The electric current of magnetic oscillator magnet coil 811, has just produced a pulse-electromagnetic force and has attracted each other when in positive half cycle, having electric current to pass through after magnet coil 81 energized through single phase half wave rectification between armature and the iron core; At this moment the discharge nozzle 82 that vibrates moves backward; The main spring 812 of oscillator 81 (also can claim reed) deforms and has stored certain potential energy, and no current passes through in the negative half period coil, and electromagnetic force disappears.Main spring 812 releases energy; Make (opposite sense of the vibration discharge nozzle 82) motion in the opposite direction of armature and iron core; So; Electric and magnetic oscillation is made the double vibrations of per minute 3000 times with the frequency of source of AC, owing to have certain included angle between the bottom surface of vibration discharge nozzle 82 and the disturbance force active line, so the material in the discharge nozzle 82 that vibrates continuously moves to the direction of gravimetric tank 31 along parabolical track.Regulate the height of commutating voltage, i.e. the feeding coal of may command material compensation mechanism 8.
are asked for an interview Fig. 3 and are continued to combine Fig. 1 and Fig. 2; The applicant is to the preferred of the top material discharging mechanism of having mentioned 6 of weighing but not structure that be limited to is following: comprise the discharge nozzle 61 of weighing, discharge nozzle fixing device positioning seat 62, discharging sleeve 63 and a pair of discharge nozzle fixing device 64 of weighing; Promptly be fixed with a coupling bush 621 towards an end of the gravimetric tank discharge bucket 312 of gravimetric tank 31 in the upper end of discharge nozzle fixing device positioning seat 62, the 3rd fastening hoop 3121 at the discharging opening position of the upper end of this coupling bush 621 through being configured in gravimetric tank discharge bucket 312 connects with the discharging opening position of gravimetric tank discharge bucket 312.The weigh top of discharge nozzle 61 is fixed through chuck 611 and by means of the chuck fix screw 6111 and the lower end of discharging sleeve 63.Specifically: the upper end of the discharge nozzle 61 of will weighing is bumped between the outer wall and chuck 611 of coupling bush 621, and is with chuck fix screw 6111 that chuck and aforesaid discharge nozzle fixing device positioning seat 62 is fixing.The weigh lower end of discharge nozzle 61 has connected a discharge nozzle terminal pad 612; The circumferencial direction of the outer wall of this discharge nozzle terminal pad 612 constitutes a location flange 6121, with fixing screw 6122 the locating flange limit 6121 and the lower end of aforesaid discharge nozzle fixing device positioning seat 62 is fixed.The upper end of discharging sleeve 63 and aforesaid discharge nozzle terminal pad 612 connect, and the lower end is corresponding with the following can discharging mechanism 7 that will describe.On discharging sleeve 63, constitute a dust blocking tray 631, invade can discharging mechanism 7 by the trifle in the world of this dust blocking tray 631 blocks sedimentation from top.The a pair of discharge nozzle fixing device 64 of weighing corresponds respectively to the both sides of discharge nozzle fixing device positioning seat 62.
aforesaid a pair of discharge nozzle fixing device 64 of weighing respectively comprises second acting cylinder 641, second connector 642, jig arm cross bar 643, second, third jig arm 644,645 and second pinch 646; Second acting cylinder, the 641 preferred cylinders (present embodiment promptly is) that use; But do not repel the use oil cylinder; Therefore if to the formal argument of second acting cylinder 641; Then should belong to the disclosed category of the present invention program, second acting cylinder 641 is provided with towards last mode with the mode of vertical setting and with its second acting cylinder post 6411, shown in figure; The acting cylinder seat 6412 of second acting cylinder 641 is hinged on the hinged seat 622 of lower end of the outer wall that is fixed in discharge nozzle fixing device positioning seat 62, and second connector 642 is fixed on the end of the second acting cylinder post 6411.The middle part of jig arm cross bar 643 places to be fixed on second connector 642; The shape of second, third jig arm 644,645 is all L-shaped or claim 7 fonts of Arabic number; Wherein: the middle part of second jig arm 644 by little axle 6441 pivotal joints on the first pivot seat 623 of the upper end of discharge nozzle fixing device positioning seat 62; And an end (upper end) of second jig arm 644 is fixed with an end of aforesaid jig arm cross bar 643; The other end of second jig arm 644 (lower end) is fixed with an end of second pinch 646; The middle part of the 3rd jig arm 645 equally by little axle pivotal joint on the second pivot seat 624 of the upper end of discharge nozzle fixing device positioning seat 62; And an end (upper end) of the 3rd jig arm 645 is fixed with the other end of aforementioned jig arm cross bar 643, and the other end of the 3rd jig arm 645 (lower end) is fixed with the other end of second pinch 646, and second pinch 646 is corresponding with a side of the discharge nozzle of being filled the post of by silicone rubber tube 61 of weighing.
by shown in the figure, the whole material discharging mechanism 6 of weighing is positioned at the cavity volume of aforesaid pretective sleeve pipe 111.When 641 work of second acting cylinder; When the second acting cylinder post 6411 is bounced back in cylinder body; By the second acting cylinder post 6411 pulling jig arm cross bars 643 because second, third jig arm 644,645 is connected with jig arm cross bar 643, so by the upper end of jig arm cross bar 643 second, third jig arm 644,645 of drive to lower swing; The lower end of second, third jig arm 644,645 is reclined together with the direction of second pinch 646 towards the discharge nozzle 61 of weighing; Material discharging mechanism 6 has a pair of and synchronization action owing to weigh, and the discharge nozzle 61 of therefore will weighing clamps, and makes it not fail material to can discharging bag inserting machine structure 7.
are still seen Fig. 3 and are still combined Fig. 1 and Fig. 2; Aforesaid can discharging bag inserting machine structure 7 preferably but not the structure that definitely is limited to is following: comprise connect material a case 71 and an a pair of packaging bag sack holding device 72; The case 71 that connects material is connected with aforesaid pretective sleeve pipe 111; By shown in Figure 3, constitute one at the position, edge of the bottom of pretective sleeve pipe 111 and connect flanging 1115, the screw hole 713 that will connect with attaching screw 1116 on the upper edge of the flanging 1115 and the case 71 that connects material is fixed.The case 71 that connects material have one be substantially square the case chamber 711 that connects material; Middle position in the bottom in this case chamber 711 that connects material offers a matching hole 7111; The lower end of the discharging sleeve 63 of the aforesaid material discharging mechanism 6 of weighing is insinuated in this matching hole 7111; Outside the diapire of case 71 that connects material and at position (around matching hole 7111), constitute a packaging bag sack sleeve pipe 712 corresponding to aforementioned matching hole 7111; This packaging bag sack sleeve pipe 712 is used to be nested with packaging bag 9, and the material of being introduced by the material discharging mechanism 6 of weighing gets in the packaging bag 9.Preferred scheme is offered a dust exhausting hole 7121 on the wall body of packaging bag sack sleeve pipe 712, on dust exhausting hole 7121, connect dust-exhausting tube 7122, and the function of dust-exhausting tube 7122 is as the description to sweep-up pipe 1113.One of them packaging bag sack holding device 72 in a pair of packaging bag sack holding device 72 is configured in a side of the aforementioned case 71 that connects material; And another packaging bag sack holding device 72 is configured in the opposite side of the case 71 that connects material; Both correspond to each other, and under synergy with the sack clamping or the release of graphic packaging bag 9.Because structure, mounting means and the principle of work of a pair of packaging bag sack holding device 72 are all identical, so the applicant selects, and the one of which work is following to be described.
packaging bag sack holding device 72 comprises first acting cylinder 721, the 4th, the 5th jig arm 722,723 and the 3rd pinch 724 and the 4th pinch 725; The 3rd acting cylinder 721 is with the horizontality setting; And the 3rd acting cylinder 721 preferred use cylinders, but do not repel the use oil cylinder equally.The acting cylinder seat 7212 of the 3rd acting cylinder 721 is hinged through the middle part of acting cylinder seat pin axle 7214 and the 4th jig arm 722; The upper end of the 4th jig arm 722 is through the tank wall pivotal joint of bearing pin screw 7222 with the aforesaid case 71 that connects material; And the lower end of the 4th jig arm 722 constitutes free end, and the 3rd pinch 724 is fixed on the lower end of the 4th jig arm 722.The end of the 3rd acting cylinder post 7211 of the 3rd acting cylinder 721 is hinged through the middle part of cylinder axis pin of column 7213 and the 5th jig arm 723; And the upper end of the 5th jig arm 723 is through the outer wall pivotal joint of pivot pin screw 7232 with the case 71 that connects material; The lower end of the 5th jig arm 723 constitutes free end, and the 4th pinch 7251 is fixed on the lower end of the 3rd pinch 724.
by shown in Figure 3, and the shape of the 4th, the 5th jig arm 722,723 is all L-shaped and correspond to each other, and the 3rd, the 4th pinch 724,725 corresponds to each other equally.Preferably, on the 4th jig arm 722, be connected with an end of first stirrup 7221 of a pair of each interval, and the other end of a pair of first stirrup 7221 is connected with the 4th jig arm 722 of the packaging bag sack holding device 72 of another can discharging bag inserting machine structure 7; Equally, on the 5th jig arm 723, be connected with an end of second stirrup 7231 of a pair of each interval, and the other end of a pair of second stirrup 7231 is connected with the 5th jig arm 723 of another packaging bag sack holding device 72 of can discharging bag inserting machine structure 7.
are connected with one first folder bag with an end of 7241 further on the 3rd pinch 724, and the first folder bag is connected with the 3rd pinch 724 of the packaging bag sack holding device 72 of another can discharging bag inserting machine structure 7 with 7241 the other end; Equally, on the 4th pinch 725, be connected with one second folder bag, and the second folder bag is connected with the 4th pinch 725 of another packaging bag sack holding device 72 of can discharging bag inserting machine structure 7 with 7251 the other end with an end of 7251.
applicant combines Fig. 1 to Fig. 3 to narrate use of the present invention; In the time will launching the present invention and implement to pack; Through operation to the electric control box 112 that is configured in framework platform 11 belows; Drawing the material machine by vacuum will have material to be packaged to introduce the material storage tube chamber 212 of the material storage tube 21 of storing mechanism 2, and under 4 pairs of the feed pipe clamping mechanisms of weighing were weighed the state that feed pipe 5 discharges, the materials (powder or particulate material) in the material storage tube chamber 211 got into the feed pipe 5 of weighing from the material storage tube discharge bucket 213 of material storage tube 21; Material is introduced in the gravimetric tank 31 of Weighing mechanism 3 by the feed pipe 5 of weighing; When weight sensor 32 take by weighing each time packing during fixed weight, that is to say that the feed pipe clamping mechanism 4 of weighing is worked when material reaches preset weight; The feed pipe 5 of will weighing clamps, and derives to stop materials in the material storage tube chamber 212 feed pipe 5 of being weighed.When aforementioned Weighing mechanism 3 was weighed, the discharge nozzle fixing device 64 of the weighing discharge nozzle 61 of will weighing of the material discharging mechanism 6 of weighing was clamped, and caused the packaging bag 9 that is placed on the can discharging bag inserting machine structure 7 through the discharge nozzle 61 of weighing to stop the materials in the gravimetric tank 31.Again, when Weighing mechanism 3 is weighed, the situation that weight of material exceeds the error limit of standard permission appears unavoidably, material compensation mechanism 8 compensation of therefore being recommended by the present invention.When Weighing mechanism 3 is weighed when finishing; Give electric control box 112 by Weighing mechanism 3 with signal feedback, 8 break-ofves of material compensation mechanism, material discharging mechanism 6 work of weighing simultaneously; The discharge nozzle 61 of will weighing discharges; Also simultaneously, 7 work of can discharging bag inserting machine structure are clamped the sack of packaging bag 9 by the synchronous working of a pair of packaging bag sack holding device 72.Material in the gravimetric tank 31 is just called oneself heavy discharge nozzle 61 and is fed in the packaging bags 9 through discharging sleeve 63.Can finishes; Under the instruction of electric control box 112, the discharge nozzle 61 of weighing is in the state that is clamped by the discharge nozzle fixing device 64 of weighing again, simultaneously; 72 pairs of packaging bags of packaging bag sack holding device 9 discharge; Also simultaneously, discharge clamp position, make the material in the material storage tube chamber 212 introduce gravimetric tank 31 through the feed pipe 5 of weighing once more the feed pipe 5 of weighing.So repeatedly, until accomplishing to packing according to the material that needs quantity
Claims (10)
1.
a kind of full automaticity quantitative package machine with dedusting function; Comprise have framework platform one frame (1) of (11); On this frame (1), be installed with a dowel disc (12); The central authorities of this dowel disc (12) constitute the feed pipe sleeve (121) of weighing, and these central authorities of weighing feed pipe sleeve (121) constitute pan feeding chamber (1211); One storing mechanism (2), this storing mechanism (2) is installed in the top of frame (1), and this storing mechanism (2) is connected with the said feed pipe sleeve (121) of weighing at the position corresponding to said pan feeding chamber (1211); One Weighing mechanism (3), this Weighing mechanism (3) is bearing on the described framework platform (11), and corresponding to the below of said storing mechanism (2); One is used for the material of being introduced by storing mechanism (2) is caused the feed pipe of weighing (5) that said Weighing mechanism (3) is weighed; The upper end of this feed pipe of weighing (5) is connected with the feed pipe sleeve (121) of weighing; And communicate with said pan feeding chamber (1211), and the lower end of the feed pipe of weighing (5) is connected with Weighing mechanism (3); The a pair of feed pipe clamping mechanism (4) of weighing that faces each other and be provided with and being used for of corresponding respectively to the said feed pipe of weighing (5) both sides clamps or discharge the feed pipe of weighing (5) is arranged on the described frame (1); The material discharging mechanism (6) of weighing that one material after being used for Weighing mechanism (3) weighed is drawn, this material discharging mechanism (6) of weighing connects with described Weighing mechanism (3); One can discharging bag inserting machine structure (7), this can discharging bag inserting machine structure (7) is corresponding to the below of the said material discharging mechanism (6) of weighing; One is used for Weighing mechanism (3) feed supplement used and ensures Weighing mechanism (3) weighing material compensation mechanism (8) accurately; Be arranged on the said frame (1); Connect with said storing mechanism (2), and connect with Weighing mechanism (3), described framework platform (11) is fixedly connected with a pretective sleeve pipe (111) towards a said side of weighing material discharging mechanism (6) with cantilever position; This pretective sleeve pipe (111) has the bucket capacity of weighing and goes into chamber (1111); The described material discharging mechanism (6) of weighing is positioned at the described bucket capacity of weighing and goes into chamber (1111), and described can discharging bag inserting machine structure (7) is connected with pretective sleeve pipe (111), it is characterized in that: go at the described bucket capacity of weighing on the chamber wall in chamber (1111) to offer an air suction opening (1112); On this air suction opening (1112), be connected with a sweep-up pipe (1113), this sweep-up pipe (1113) is connected with the negative pressure dust eliminating equipment.
2.
full automaticity quantitative package machine with dedusting function according to claim 1; It is characterized in that described storing mechanism (2) comprises that a material storage tube (21) and a vacuum draw feeding pipe (22); Vacuum is drawn an end of feeding pipe (22) and the roof (211) of material storage tube (21) connects; And communicate with the material storage tube chamber (212) of material storage tube (21); And vacuum draws the other end of feeding pipe (22) and draws the material machine with vacuum and be connected, and narrow the contracting in the bottom of material storage tube (21) constitutes a material storage tube discharge bucket (213), and this material storage tube discharge bucket (213) is connected with the described feed pipe sleeve (121) of weighing; Described material compensation mechanism (8) comprises oscillator (81), vibration discharge nozzle (82), adapting pipe (83), vibration feed pipe (84) and feed supplement bucket (85); Oscillator (81) is fixed on the described frame (1); Vibration discharge nozzle (82) is fixed on the oscillator (81) with the horizontal boom state substantially; And the horizontal boom end at this vibration discharge nozzle (82) has connected a feed supplement pipe (821), and this feed supplement pipe (821) connects with Weighing mechanism (3), and adapting pipe (83) is fixed on the vibration discharge nozzle (82); And communicate with the vibration discharging tube chamber (822) of vibration discharge nozzle (82); One end and the adapting pipe (83) of vibration feed pipe (84) connect, and the other end is connected with feed supplement bucket (85), and feed supplement bucket (85) is positioned at said material storage tube chamber (212).
3.
full automaticity quantitative package machine with dedusting function according to claim 1; It is characterized in that described Weighing mechanism (3) comprises gravimetric tank (31), weight sensor (32) and gravimetric tank frame (33); Weight sensor (32) is arranged on the described framework platform (11); Gravimetric tank (31) is fixed on the gravimetric tank frame (33); And gravimetric tank frame (33) is fixing with weight sensor (32), and wherein: the top of gravimetric tank (31) is furnished with the cover of weighing (311), and this cover of weighing (311) is connected with the lower end of the said feed pipe of weighing (5); And the narrow gravimetric tank discharge bucket (312) that shortened in the bottom of gravimetric tank (31), this gravimetric tank discharge bucket (312) is connected with the said material discharging mechanism (6) of weighing.
4.
full automaticity quantitative package machine with dedusting function according to claim 1; It is characterized in that the described a pair of feed pipe clamping mechanism (4) of weighing respectively comprises first acting cylinder (41), first connector (42), a pair of first jig arm (43) that corresponds to each other, first pinch (44) and gripper arm seat (45); Gripper arm seat (45) is fixing with said frame (1); First acting cylinder (41) is fixed on the gripper arm seat (45); First connector (42) is fixed on the end of the first acting cylinder post (411) of first acting cylinder (41); Go up and be installed with one first bearing pin (421) at this first connector (42) towards an end of a side of gripper arm seat (45); And the other end is installed with one second bearing pin (422); The middle part pivotal joint of one of them first jig arm (43) in a pair of first jig arm (43) is on gripper arm seat (45); The upper end offers a bearing pin groove (431); One end of lower end and first pinch (44) is fixed, and the lower end of another first jig arm (43) in the other end of first pinch (44) and a pair of first jig arm (43) is fixed, and the middle part pivotal joint of another first jig arm (43) in a pair of first jig arm (43) is on another gripper arm seat (45) of a pair of feed pipe clamping mechanism (4) of weighing; The bearing pin groove (431) of the upper end of one of them first jig arm (43) in described first bearing pin (421) and a pair of first jig arm (43) matches, and the bearing pin groove (431) that the upper end with corresponding first jig arm of second bearing pin (422) (43) in a pair of first jig arm (43) of another the feed pipe clamping mechanism (4) of weighing in second bearing pin (422) and a pair of feed pipe clamping mechanism (4) of weighing is offered matches.
5.
full automaticity quantitative package machine with dedusting function according to claim 3; It is characterized in that the described material discharging mechanism (6) of weighing comprises the discharge nozzle of weighing (61), discharge nozzle fixing device positioning seat (62), discharging sleeve (63) and a pair of discharge nozzle fixing device (64) of weighing; Be fixed with a coupling bush (621) in the upper end of discharge nozzle fixing device positioning seat (62); The upper end of this coupling bush (621) is connected with described gravimetric tank discharge bucket (312); Captive joint with the lower end of coupling bush (621) in the weigh upper end of discharge nozzle (61); And the lower end of the discharge nozzle of weighing (61) is connected with discharging sleeve (63); And fix with the lower end of discharge nozzle fixing device positioning seat (62), one of them in a pair of discharge nozzle fixing device (64) of weighing weighed discharge nozzle fixing device (64) corresponding to a side of the said discharge nozzle of weighing (61), and another discharge nozzle fixing device (64) opposite side corresponding to the discharge nozzle of weighing (61) of weighing.
6.
full automaticity quantitative package machine with dedusting function according to claim 5; It is characterized in that the described a pair of discharge nozzle fixing device (64) of weighing respectively comprises one second acting cylinder (641), one second connector (642), a jig arm cross bar (643), one second jig arm (644), one the 3rd jig arm (645) and one second pinch (646); Second acting cylinder (641) vertically is arranged on the described discharge nozzle fixing device positioning seat (62); And outer wall corresponding to a side of discharge nozzle fixing device positioning seat (62); The second acting cylinder post (6411) of this second acting cylinder (641) is towards last; Second connector (642) is fixed on the end of the second acting cylinder post (6411); Jig arm cross bar (643) is set on second connector (642); The middle part pivotal joint of second jig arm (644) is on discharge nozzle fixing device positioning seat (62), and an end of an end of second jig arm (644) and said jig arm cross bar (643) is fixed, and an end of the other end of second jig arm (644) and second pinch (646) is fixed; The middle part pivotal joint of the 3rd jig arm (645) is on discharge nozzle fixing device positioning seat (62); And the other end of an end of the 3rd jig arm (645) and jig arm cross bar (643) is fixed, and the other end of the other end of the 3rd jig arm (645) and second pinch (646) is fixed, and second pinch (646) is corresponding with a side of the said discharge nozzle of weighing (61).
7.
full automaticity quantitative package machine with dedusting function according to claim 1; It is characterized in that described can discharging bag inserting machine structure (7) comprises case that connects material (71) and a pair of packaging bag sack holding device (72); The case (71) that connects material is captiveed joint with described pretective sleeve pipe (111); This case that connects material (71) has the case chamber (711) that connects material; Middle position in the bottom in this case chamber (711) that connects material offers one and is used for the matching hole (7111) that matches with the described material discharging mechanism (6) of weighing; Outside the diapire of the case that connects material (71) and at position, be extended with a packaging bag sack sleeve pipe (712) corresponding to said matching hole (7111); One of them packaging bag sack holding device (72) in a pair of packaging bag sack holding device (72) is arranged on the outer wall of a side of the said case that connects material (71), and another packaging bag sack holding device (72) is arranged on the outer wall of opposite side of the case that connects material (71), and both correspond to each other.
8.
full automaticity quantitative package machine with dedusting function according to claim 7; It is characterized in that described a pair of packaging bag sack holding device (72) respectively comprises the 3rd acting cylinder (721), the 4th, the 5th jig arm (722,723), the 3rd pinch (724) and the 4th pinch (725); The upper end pivotal joint of the 4th jig arm (722) is on the described case that connects material (71); The 3rd pinch (724) is fixed on the lower end of the 4th jig arm (722); The upper end pivotal joint of the 5th jig arm (723) is on the case that connects material (71); The 4th pinch (725) is fixed on the lower end of the 5th jig arm (723); Wherein: four, the 5th jig arm (722,723) corresponds to each other; And three, the 4th pinch (724,725) corresponds to each other equally, and the 3rd acting cylinder post (7211) of the 3rd acting cylinder (721) is connected with the middle part of the 5th jig arm (723), and the acting cylinder seat (7212) of the 3rd acting cylinder (721) is connected with the middle part of the 4th jig arm (722); And the middle part of the 4th jig arm (722) also is connected with the 4th jig arm (722) of another packaging bag sack holding device (72) through at least one first stirrup (7221), and the middle part of the 5th jig arm (723) is connected with the 5th jig arm (723) of another packaging bag sack holding device (72) through at least one second stirrup (7231) equally.
9.
full automaticity quantitative package machine with dedusting function according to claim 1 is characterized in that described negative pressure dust eliminating equipment is a dedusting fan.
10.
Full automaticity quantitative package machine with dedusting function according to claim 2 is characterized in that described vibration feed pipe (84) is obliquely installed
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103845580A CN102398689B (en) | 2011-11-28 | 2011-11-28 | Full-automatic quantitative packaging machine with dedusting function |
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| CN2011103845580A CN102398689B (en) | 2011-11-28 | 2011-11-28 | Full-automatic quantitative packaging machine with dedusting function |
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| CN102398689A CN102398689A (en) | 2012-04-04 |
| CN102398689B true CN102398689B (en) | 2012-11-21 |
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| CN2011103845580A Expired - Fee Related CN102398689B (en) | 2011-11-28 | 2011-11-28 | Full-automatic quantitative packaging machine with dedusting function |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104139890A (en) * | 2013-05-10 | 2014-11-12 | 常熟市协新冶金材料有限公司 | Bag clipping mechanism for automatic open-bag filling machine |
| CN104386274B (en) * | 2014-11-20 | 2017-01-18 | 杭州开一化工技术有限公司 | Dust removal method and device for bagged powder material feeding process |
| CN105157797B (en) * | 2015-07-07 | 2017-08-11 | 杭州华新机电工程有限公司 | A kind of ship unloaders online weighing bucket device |
| CN105857756B (en) * | 2016-05-13 | 2018-05-25 | 西北工业大学 | A kind of automatic weighing boxing apparatus of powdery priming system |
| CN107363064A (en) * | 2017-07-14 | 2017-11-21 | 湖南长乐粮油贸易有限公司 | A kind of cavings packing dust exhaust apparatus |
| CN107512408B (en) * | 2017-08-22 | 2019-06-14 | 苏州东大贝普包装技术有限公司 | A kind of quantitative package machine having dedusting function |
| CN109436396A (en) * | 2018-10-22 | 2019-03-08 | 芜湖市传世信息技术有限公司 | A kind of prepackaged food weighing device and its application method |
| CN109250167B (en) * | 2018-11-05 | 2023-09-08 | 常熟三禾精工科技有限公司 | Valve pocket vacuum filling device |
| CN109850197B (en) * | 2018-12-25 | 2024-01-26 | 常熟三禾精工科技有限公司 | Inside and outside combined dust collector of valve pocket full-automatic filling machine |
| CN109625354B (en) * | 2019-01-23 | 2024-01-23 | 常熟三禾精工科技有限公司 | Dust collection device of open bag filling machine |
| CN112298634A (en) * | 2019-07-29 | 2021-02-02 | 永州星鹏塑料包装有限责任公司 | Automatic packaging machine |
| CN116534316B (en) * | 2023-03-28 | 2023-11-17 | 无锡灵鸽机械科技股份有限公司 | Composite weighing and packing method of solid fluid full-automatic packing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3707172A (en) * | 1971-01-25 | 1972-12-26 | Kaisuji Obara | Automatic apparatus for packaging powdered material with uniform bag weight and with dust-free operation |
| JPH11115918A (en) * | 1997-10-13 | 1999-04-27 | Nippon Sharyo Seizo Kaisha Ltd | Automatically weighing and packaging apparatus |
| CN2333623Y (en) * | 1998-06-24 | 1999-08-18 | 孙建清 | Automatic quantitative packing machine |
| CN200978014Y (en) * | 2006-12-08 | 2007-11-21 | 武汉人天包装技术有限公司 | Automatic quantitative weighting and packing machine |
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