CN203317663U - Strip raw material feeding mechanism for rubber injection molding machines - Google Patents
Strip raw material feeding mechanism for rubber injection molding machines Download PDFInfo
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- CN203317663U CN203317663U CN2013203298634U CN201320329863U CN203317663U CN 203317663 U CN203317663 U CN 203317663U CN 2013203298634 U CN2013203298634 U CN 2013203298634U CN 201320329863 U CN201320329863 U CN 201320329863U CN 203317663 U CN203317663 U CN 203317663U
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Abstract
The utility model provides a strip raw material feeding mechanism for rubber injection molding machines, which belongs to the technical field of injection molding machines, and solves the technical problem that existing feeding mechanisms for injection molding machines only can adopt granular raw materials, and are non-uniform in feeding amount and large in feeding error. According to the technical scheme of the utility model, the strip raw material feeding mechanism for rubber injection molding machines is arranged on the injection molding machine, and the injection molding machine is provided with a feed hole; the strip raw material feeding mechanism comprises a feeding rack and a movable wheel set, wherein the feeding rack is transversely arranged on the injection molding machine, the movable wheel set is axially and parallelly arranged on the feeding rack, the movable wheel set comprises a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are both arranged above the feed hole, a control device for controlling the driving wheel to rotate and a counting device for monitoring the walking lengths of strip raw materials are arranged on the feeding rack, the counting device is electrically connected with the control device, strip raw materials pass through a gap between the driving wheel and the driven wheel, and when the driving wheel rotates, the strip raw materials are driven to enter the feed hole. The strip raw material feeding mechanism for rubber injection molding machines has the beneficial effects that because of adoption of strip raw materials, the feeding mechanism is uniform in feeding and small in error.
Description
Technical field
The utility model belongs to the injector technical field, relates to a kind of rubber injection machine strip raw material feeding mechanism.
Background technology
Injecting systems is one of topmost part of injector, it comprises plasticizing apparatus and power transmission, and plasticizing apparatus is comprised of feed arrangement, barrel, screw rod, injection nozzle, rubber enters in the injector feeding cylinder and carries out heating plasticizing by feed arrangement, then under certain pressure and speed, by screw rod, molten plastic or rubber are injected to mold cavity, as can be seen here, feed arrangement plays a part very important for injector.
Traditional injector feed arrangement is mainly, at the charging aperture of injector, a feed hopper vertically is installed, during injector work, manually the rubber raw materials processed is poured in feed hopper, constantly in process, rubber raw materials constantly reduces, and the staff must constantly add raw material toward feed hopper power, for example, documents CN202241804U discloses a kind of horizontal injection machine feed arrangement, mainly comprise feed hopper, feed pipe and injecting systems, feed pipe connects injecting systems and feed hopper, offer a material observation window on feed pipe, can observe at any time the material situation in feed pipe by the material observation window, in order to make in time corresponding behave, although this feed arrangement can meet basic injector charging, but feed hopper can only the granular material material of splendid attire, because the volume of feed hopper is limited, when the material material of feed hopper is finished, need manually feed hopper to be fed in raw material, so repeatedly just increased staff's working strength, not only production efficiency is low, and the invisible production cost that increased, and granular material material enters in the process of injector injecting systems, the material material volume that at every turn enters injecting systems is all different and can not get controlling, therefore the quality of injection-molded article can not be guaranteed, and become graininess to understand invisible increase staff's working strength and cost Raw material processing.
For these problems, people have invented the feed arrangement that a kind of automaticity is higher, by the higher apparatus of automaticity such as piston is installed on feed arrangement, make the injector can be by these apparatuses endlessly toward material conveying material in feeding cylinder when charging, for example, documents CN202742615U discloses a kind of pay-off of injection molding of rubber vulcanizer, comprise the feeding barrel that an interior sky is straight-through, one port of feeding barrel and the feeding inlet of injection device, feeding barrel inside is provided with a piston, feeding barrel outer setting has driver, driver is connected with piston and control piston moves axially in the feeding barrel, ceaselessly produce high low pressure in the feeding barrel because of piston, thereby make raw material continually to be transported in the feeding cylinder of injector by the feeding barrel from outside, although this pay-off has improved automaticity, reduced staff's working strength, reduced to a certain extent production cost, improved production efficiency, but some above-mentioned problems still can not get solving: because piston can only be transported to raw material in the injector feeding cylinder by high low pressure principle, the raw material quantity at every turn entered in the feeding barrel still can not get effectively control and can't guarantee that the raw material quantity of at every turn sending in barrel is consistent, therefore can't learn whether raw material has filled up dies cavity, its feed error is larger, if dies cavity less than, must biphasic injection, and biphasic injection can cause the globality of injection molded article poor, affect the quality of moulded products, if dies cavity is full and the continuation injection, can make the burr of moulded products increase, also have influence on the quality of moulded products, if the burr of finishing moulded products, can increase staff's working strength again, because quantity and the volume of each charging can't be estimated, the speed of its charging also can not get controlling accurately, and continue to inject, if the words that the material of raw material is harder, the serious injector feeding cylinder that also can block causes injector to quit work, affect the normal operation of injector, and for injector, use invisible cost and the energy consumption that has increased equipment of piston device.
The utility model content
The purpose of this utility model is to have the problems referred to above for existing technology, the injector strip raw material feeding mechanism that proposed a kind of energy uniform feeding, reduces feed error, improves the quality of products.
The purpose of this utility model can be achieved through the following technical solutions: a kind of rubber injection machine strip raw material feeding mechanism, be arranged on injector, have a charging hole on injector, this feeding mechanism comprises that the feeding rack and the axially parallel that are horizontally installed on injector are arranged on the driving wheel group on feeding rack, the driving wheel group comprises that driving wheel and driven pulley and driving wheel and driven pulley all are positioned at the top of charging hole, on feeding rack, be equipped with for controlling control device that driving wheel rotates and for monitoring the counting device of strip raw material walking length, counting device is electrically connected to control device, the strip raw material drives the strip raw material through the gap between driving wheel and driven pulley and when driving wheel rotates and enters in charging hole.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, described feeding rack is step-like and is comprised of support body one, support body three and the support body two that connects support body one and support body three, above-mentioned driving wheel group is arranged on support body one, the driving wheel group and the driving wheel group that are parallel to the driving wheel group are installed on support body three and are positioned at driving wheel group top, described driving wheel group comprises that the drive one of horizontal parallel setting and drive two and drive two are arranged on the junction of support body two and support body three, and the strip raw material rotates and enters charging hole and drive drive one, drive two rotations with driving wheel.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, described counting device comprises counting screw and the inductive switch matched with the counting screw, described drive one is arranged on support body three by wheel shaft one, above-mentioned counting screw is horizontally installed on wheel shaft one end and is parallel to support body three, and inductive switch is arranged on support body three and is relative with the counting screw.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, the two ends of described drive one and drive two all are fixedly installed the taper type disk and the taper type disk is positioned at support body three inboards, and the taper surface of described taper type disk is oppositely arranged.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, drive one top is provided with the pin that is parallel to drive one, and pin one end is bent downwardly and is connected with support body three.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, described driving wheel and driven pulley are on same level.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, described support body one comprises two frame plates that are symmetrical arranged and are parallel to each other, be fixed with a mount pad on a frame plate lateral surface therein, on two frame plates, horizontal symmetry offers bar hole, driven pulley is arranged between two frame plates by wheel shaft two, wheel shaft two two ends lay respectively in corresponding bar hole and can be in bar hole transverse shifting, on frame plate, laterally through having fixed bar and fixed bar to be threaded with support body, fixed bar one end enters in bar hole and is resisted against on wheel shaft two.
In above-mentioned a kind of rubber injection machine strip raw material feeding mechanism, described control device is the air motor be fixed on above-mentioned mount pad, the air motor output shaft is connected and drives the driving wheel rotation through frame plate and driving wheel, and air motor is electrically connected to above-mentioned inductive switch.
Compared with prior art, of the present utility model have a following beneficial effect: the driving wheel group be comprised of driving wheel and driven pulley is installed on feeding rack, coordinate and adopt the comparatively strip raw material of rule of structure and shape, the strip raw material is clamped by driving wheel and driven pulley, air motor is controlled the driving wheel uniform rotation and is driven the strip raw material and enters in charging hole, make successively that to enter the length of the strip raw material in charging hole through driving wheel consistent with volume, the single feed error reduces greatly, the qualification rate of its products formed improves, stop secondary feeds and caused the poor phenomenon of rubber globality to occur, and charging rate is controlled and can adjust, 2, counting device can be monitored the walking length of strip raw material, can calculate more accurately the raw material length that enters charging hole, the mould needed raw material is controlled in minimum error range, makes the possibility of many chargings or few charging greatly reduce, more guaranteed the quality of shaped article, 3, due to the charging observable with can monitor, learn raw material quantity and the mould residue needed raw material entered in charging hole according to counting device, can adjust at any time the speed of charging, in the situation energy faster production that guarantees the shaped article quality, boost productivity.
The accompanying drawing explanation
Fig. 1 is a kind of injector feeding mechanism of the utility model planar structure schematic diagram.
Fig. 2 is a kind of injector feeding mechanism of the utility model side cross-sectional view.
Fig. 3 is a kind of injector feeding mechanism of the utility model back elevation structural representation.
In figure, 1, injector; 11, charging hole; 2, feeding rack; 21; Support body one; 22, support body two; 23, support body three; 2a, frame plate; 2b, mount pad; 3, air motor; 4, driving wheel; 5, driven pulley; 51, wheel shaft two; 52, bar hole, 53 fixed bars; 6, drive one; 61, drive two; 62, wheel shaft one; 63, taper type disk; 7, counting screw; 8, inductive switch; 9, pin.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1 to Figure 3, this a kind of rubber injection machine strip raw material feeding mechanism, be arranged on injector 1, have a charging hole 11 on injector 1, this feeding mechanism comprises that the feeding rack 2 and the axially parallel that are horizontally installed on injector 1 are arranged on the driving wheel group on feeding rack 2, the driving wheel group comprises that driving wheel 4 and driven pulley 5 and driving wheel 4 and driven pulley 5 all are positioned at the top of charging hole 11, on feeding rack 2, be equipped with for controlling control device that driving wheel 4 rotates and for monitoring the counting device of strip raw material walking length, counting device is electrically connected to control device, the strip raw material passes the gap between driving wheel 4 and driven pulley 5 and drive the strip raw material when driving wheel 4 rotates and enters in charging hole 11, it is step-like and by support body 1 that feeding rack 2 is, support body 3 23 and support body 2 22 compositions that connect support body 1 and support body 3 23, above-mentioned driving wheel group is arranged on support body 1, the driving wheel group and the driving wheel group that are parallel to the driving wheel group are installed on support body 3 23 and are positioned at driving wheel group top, described driving wheel group comprises that the drive 1 of horizontal parallel setting and drive 2 61 and drive 2 61 are arranged on the junction of support body 2 22 and support body 3 23, the strip raw material rotates and enters charging hole 11 and drive drive 1 with driving wheel 4, drive 2 61 rotates.
This feeding mechanism adopts the comparatively strip raw material of rule of structure and shape, the driving wheel group be comprised of driving wheel 4 and driven pulley 5 is installed on feeding rack 2, the strip raw material is clamped by driving wheel 4 and driven pulley 5, control device is controlled driving wheel 4 uniform rotation and is driven the strip raw material and enters in charging hole 11, make successively that to enter the length of the strip raw material in charging hole 11 through driving wheel 4 consistent with volume, the single feed error reduces greatly, the qualification rate of its products formed improves, stop secondary feeds and caused the poor phenomenon of rubber globality to occur, and charging rate is controlled and can adjust.
Counting device comprises counting screw 7 and the inductive switch 8 matched with counting screw 7, described drive 1 is arranged on support body 3 23 by wheel shaft 1, above-mentioned counting screw 7 is horizontally installed on wheel shaft one 62 ends and is parallel to support body 3 23, inductive switch 8 is arranged on support body 3 23 and is relative with counting screw 7, thereby the strip raw material can drive drive one 6 rotations through drive 1 and drive 7 rotations of counting screw, and drive 1 rotates a circle, counting screw 7 can be responded to inductive switch 8, therefore and inductive switch 8 inductions continuous by counting screw 7 can be monitored the walking length of strip raw material, can calculate more accurately the raw material length that enters charging hole 11, the mould needed raw material is controlled in minimum error range, make the possibility of many chargings or few charging greatly reduce, more guaranteed the quality of shaped article.
The two ends of drive 1 and drive 2 61 all are fixedly installed taper type disk 63 and taper type disk 63 is positioned at support body 3 23 inboards, the taper surface of described taper type disk 63 is oppositely arranged, because drive 1 and drive 2 61 are installed on support body 3 23, when drive 1 and drive 2 61 rotation, if the material footpath of strip raw material hour, the strip raw material is displaced sideways and is stuck in the time of can rotating on drive 1 and drive 2 61 between drive 1 or drive 2 61 and support body 3 23 and can't be driven by driving wheel 4, and the taper type disk 63 at drive 1 and drive 2 61 two ends is controlled at the strip raw material between the two, prevent that the strip raw material is stuck, the normal walking of strip raw material and the normal charging of injector have been guaranteed.
Drive one 6 tops are provided with the pin 9 that is parallel to drive 1, pin 9 one ends are bent downwardly and are connected with support body 3 23, pin 9 be positioned at drive 1 directly over, drive 1 is when rotating, the strip raw material is normally walked, but drive 1 stop in a flash because inertia strip raw material can continue by drive 1 to driving wheel 4 directions walkings, and driving wheel 4 has stopped, therefore the strip raw material can be toward driving wheel 4 direction plaies, when strip raw material play distance is long, the strip raw material can be scurried out beyond drive 1, and driving wheel 4 while again rotating due to the strip raw material not on drive 1, drive 1 can not rotate, can not realize the monitoring to the strip raw material, now can affect normal charging, and pin 9 be positioned at drive 1 directly over, pin 9 can be blocked in the strip raw material top of drive 1, prevented that the strip raw material from scurrying out beyond drive 1.
Driving wheel 4 and driven pulley 5 are on same level; because driving wheel 4 and driven pulley 5 all are positioned at the top of charging hole 11; the strip raw material directly passes the middle space of driving wheel 4 and driven pulley 5 through later from drive 2 61; drive 2 61 is positioned at again the top of driving wheel 4 and driven pulley 5; when therefore driving wheel 4 and driven pulley 5 are on same level; frictional force minimum when the strip raw material is driven by driving wheel 4; can prevent like this strip raw material because excessive and pullled disconnectedly with the frictional force of driving wheel 4, effectively protect the continuity of strip raw material.
Control device is the air motor 3 be fixed on above-mentioned mount pad 2b, and air motor 3 output shafts are connected and drive driving wheel 4 rotations through frame plate 2a and driving wheel 4, and air motor 3 is electrically connected to inductive switch 8, air motor 3 is compressed-air actuated pressure energy to be converted to the device of the mechanical energy of rotation, it has simple in structure, handiness, maintenance easily, low cost and other advantages, be not subject to the impact of high temperature and vibration simultaneously, power bracket and the range of speeds are all wider and have a higher starting torque, therefore use air motor 3 stability best, and energy consumption minimum, the most practical, when the strip raw material is finished, drive 1 stops operating, counting screw 7 also stops the rotation and can not respond to inductive switch 8, and air motor 3 is electrically connected to inductive switch 8, inductive switch 8 stops making air motor 3 also quit work after induction, driving wheel 4 stops the rotation, whole feeding mechanism stops charging, now remind the staff reinforced.
The operation principle that can learn a kind of rubber injection machine strip of the utility model raw material feeding mechanism according to the above embodiments is as follows, the strip raw material is first formed and is rolled up by machining, regulate driven pulley 5 and guarantee that the strip raw material can pass from driving wheel 4 and 5 of driven pulleys, first by the staff, the stub bar of strip raw material is passed between driving wheel 4 and driven pulley 5 and makes stub bar in charging hole 11, driven pulley 5 is drawn close to driving wheel 4, then regulate the fixed bar 53 on frame plate 2a, make an end of fixed bar 53 be resisted against on wheel shaft 2 51 and the strip raw material is clamped by driving wheel 4 and driven pulley 5, open air motor 3, air motor 3 drives driving wheel 4 and rotates, because the strip raw material is clamped by driving wheel 4 and driven pulley 5, when rotating, driving wheel 4 then frictional force is passed to driven pulley 5 with strip raw material generation frictional force, therefore driving wheel 4 all can relatively rotate by ecto-entad with driven pulley 5, under clamped condition, driving wheel 4 can drive the strip raw material to the interior walking of charging hole 11 with driven pulley 5, due to strip raw material regular shape, under air motor 3 uniform rotation, the length that enters the strip raw material in charging hole 11 through driving wheel 4 successively remains consistent with volume, the single feed error reduces greatly, the qualification rate of its products formed improves, when driving wheel 4 rotates, because drive 1 and drive 2 61 all are positioned at the top of driving wheel 4 and driven pulley 5, the strip raw material can be tightened because of deadweight, thereby drop on drive 1 and drive 2 61 and drive drive 1 with the strip raw material to the charging hole walking, with drive 61, rotate, the counting screw 7 be arranged on wheel shaft 1 rotates with the rotation of wheel shaft 1, and every rotation one circle of wheel shaft 1, counting screw 7 can respond to 8 once with inductive switch, inductive switch record and the induction number of times of counting screw 7, therefore can clearly learn the walking length of strip raw material, can calculate more accurately the raw material length that enters charging hole, the mould needed raw material is controlled in minimum error range, make the possibility of many chargings or few charging greatly reduce, the quality that has more guaranteed shaped article is certain, when the number that is arranged on the counting screw 7 on wheel shaft 1 is rotated a circle with wheel shaft 1, counting screw 7 is identical with the induction number of times of inductive switch 8, the strip raw material quantity that can understand at any time the walking length of strip raw material or enter mould by the monitoring to the strip raw material, therefore pass through set-up of control system, at the initial stage of injection, can accelerate the speed of charging, before strip raw material walking length reaches the mould needed raw material, the speed of charging is slowed down, in order to supplement more accurately mould residue needed raw material, so in the situation energy faster production that guarantees the shaped article quality, boost productivity, in addition, inductive switch 8 is arranged on the initiating terminal of feeding mechanism, because a volume strip raw material has certain-length, it is not endless, when the strip raw material is used up, at first drive 1 stops operating, now counting screw 7 also stops operating, stopping rear counting screw 7 can not respond to inductive switch 8, air motor 3 is electrically connected to above-mentioned inductive switch 8, when the strip raw material is finished, drive 1 stops operating, counting screw 7 also stops the rotation and can not respond to inductive switch 8, inductive switch 8 stops making air motor 3 also quit work after induction, driving wheel 4 stops the rotation, whole feeding mechanism stops charging, now remind the staff reinforced.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. a rubber injection machine strip raw material feeding mechanism, be arranged on injector (1), have a charging hole (11) on injector (1), it is characterized in that: this feeding mechanism comprises that the feeding rack (2) and the axially parallel that are horizontally installed on injector (1) are arranged on the driving wheel group on feeding rack (2), the driving wheel group comprises that driving wheel (4) and driven pulley (5) and driving wheel (4) and driven pulley (5) all are positioned at the top of charging hole (11), on feeding rack (2), be equipped with for controlling control device that driving wheel (4) rotates and for monitoring the counting device of strip raw material walking length, counting device is electrically connected to control device, the strip raw material drives the strip raw material through the gap between driving wheel (4) and driven pulley (5) and when driving wheel (4) rotates and enters in charging hole (11).
2. a kind of rubber injection machine strip raw material feeding mechanism according to claim 1, it is characterized in that: described feeding rack (2) is step-like and by support body one (21), support body three (23) and support body two (22) compositions that connect support body one (21) and support body three (23), above-mentioned driving wheel group is arranged on support body one (21), the driving wheel group and the driving wheel group that are parallel to the driving wheel group are installed on support body three (23) and are positioned at driving wheel group top, described driving wheel group comprises that drive one (6) that horizontal parallel arranges and drive two (61) and drive two (61) are arranged on the junction of support body two (22) and support body three (23), the strip raw material rotates and enters charging hole (11) and drive drive one (6) with driving wheel (4), drive two (61) rotates.
3. a kind of rubber injection machine strip raw material feeding mechanism according to claim 2, it is characterized in that: described counting device comprises counting screw (7) and the inductive switch (8) matched with counting screw (7), described drive one (6) is arranged on support body three (23) by wheel shaft one (62), above-mentioned counting screw (7) is horizontally installed on wheel shaft one (62) end and is parallel to support body three (23), and it is upper and relative with counting screw (7) that inductive switch (8) is arranged on support body three (23).
4. a kind of rubber injection machine strip raw material feeding mechanism according to claim 3, it is characterized in that: the two ends of described drive one (6) and drive two (61) all are fixedly installed taper type disk (63) and taper type disk (63) is positioned at support body three (23) inboards, and the taper surface of described taper type disk (63) is oppositely arranged.
5. a kind of rubber injection machine strip raw material feeding mechanism according to claim 4, it is characterized in that: drive one (6) top is provided with the pin (9) that is parallel to drive one (6), and pin (9) one ends are bent downwardly and are connected with support body three (23).
6. a kind of rubber injection machine strip raw material feeding mechanism according to claim 5 is characterized in that: described driving wheel (4) with driven pulley (5) on same level.
7. according to the described a kind of rubber injection machine strip raw material feeding mechanism of claim 5 or 6, it is characterized in that: described support body one (21) comprises two frame plates (2a) that are symmetrical arranged and are parallel to each other, be fixed with a mount pad (2b) on a frame plate (2a) lateral surface therein, the upper horizontal symmetry of two frame plates (2a) offers bar hole (52), driven pulley (5) is arranged between two frame plates (2a) by wheel shaft two (51), wheel shaft two (51) two ends lay respectively in corresponding bar hole (52) and can be in bar hole (52) transverse shifting, frame plate (2a) is upper laterally through having fixed bar (53) and fixed bar (53) to be threaded with support body, fixed bar (53) one ends enter in bar hole (52) and are resisted against on wheel shaft two (51).
8. a kind of rubber injection machine strip raw material feeding mechanism according to claim 7, it is characterized in that: described control device is for being fixed on the air motor (3) on above-mentioned mount pad (2b), air motor (3) output shaft is connected through frame plate (2a) and driving wheel (4) and drives driving wheel (4) rotation, and air motor (3) is electrically connected to above-mentioned inductive switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203298634U CN203317663U (en) | 2013-06-06 | 2013-06-06 | Strip raw material feeding mechanism for rubber injection molding machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203298634U CN203317663U (en) | 2013-06-06 | 2013-06-06 | Strip raw material feeding mechanism for rubber injection molding machines |
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| Publication Number | Publication Date |
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| CN203317663U true CN203317663U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203298634U Withdrawn - After Issue CN203317663U (en) | 2013-06-06 | 2013-06-06 | Strip raw material feeding mechanism for rubber injection molding machines |
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| Country | Link |
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| CN (1) | CN203317663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264475A (en) * | 2013-06-06 | 2013-08-28 | 宁波莱力机械有限公司 | Bar-shaped raw material charge mechanism of rubber injection machine |
| CN104890178A (en) * | 2015-06-19 | 2015-09-09 | 谢建华 | Injection moulding machine |
-
2013
- 2013-06-06 CN CN2013203298634U patent/CN203317663U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264475A (en) * | 2013-06-06 | 2013-08-28 | 宁波莱力机械有限公司 | Bar-shaped raw material charge mechanism of rubber injection machine |
| CN103264475B (en) * | 2013-06-06 | 2015-07-08 | 宁波莱力机械有限公司 | Bar-shaped raw material charge mechanism of rubber injection machine |
| CN104890178A (en) * | 2015-06-19 | 2015-09-09 | 谢建华 | Injection moulding machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150708 |
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| RGAV | Abandon patent right to avoid regrant |