CN203110280U - Single cylinder injection mechanism of injection molding machine - Google Patents
Single cylinder injection mechanism of injection molding machine Download PDFInfo
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- CN203110280U CN203110280U CN201220416746.7U CN201220416746U CN203110280U CN 203110280 U CN203110280 U CN 203110280U CN 201220416746 U CN201220416746 U CN 201220416746U CN 203110280 U CN203110280 U CN 203110280U
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Abstract
The utility model relates to a single cylinder injection mechanism of an injection molding machine. The single cylinder injection mechanism comprises a screw, a rubber melting sleeve, a flange, an injection platform front plate, a piston rod, a servo motor, a speed reducer, a connecting block, a transmission shaft, an injection platform rear plate, a piston, a transmission sleeve, a connecting plate, a seat plate, a pulling plate, an upper bearing seat, an upper rotating shaft, a driving wheel, a synchronizing belt, a driven wheel, a lower bearing seat and a lower rotating shaft, wherein the flange, the injection platform front plate, the connecting plate, the injection platform rear plate, the connecting block, the speed reducer, the lower bearing seat and the seat plate are connected to a whole; the flange is fixedly connected with the rubber melting sleeve through a fin thread nut; the rubber melting sleeve is internally provided with the screw; the injection platform rear plate is internally provided with the transmission shaft; the left end of the transmission shaft is slidably connected with the transmission sleeve through a spline, while an inner hole in the right end of the transmission shaft is connected with an output shaft of the speed reducer; and the right end of the transmission sleeve is axially fixed to the piston through a bearing and a nut. According to the single cylinder injection mechanism, the piston rod for rubber injection is always kept to stable during rubber melting; and due to the arrangement of the servo motor for rubber melting, the total length of the machine does not exceed standard length.
Description
Technical field
The utility model relates to the single cylinder injection mechanism of a kind of assembly of injection machine, particularly injection machine.
Background technology
The injection piston rod of existing injection machine single cylinder injection mechanism is because of outstanding long too big unstable, particularly when melten gel fast, the injection piston rod beat big in addition naked eyes all can be observed, thereby cause the melten gel plasticizing effect bad.
Number of patent application 200420020664.6 discloses the structure of the direct drive screw melten gel of a kind of servo motor, servo and the servo independently two cover servo-drive systems that belong to mutually that drive oil pump of this melten gel, utilize this structure can reach the purpose of enhancing productivity, but in fact existing servo motor is not suitable for direct drive screw melten gel because rotating speed is too high, moment of torsion is too low; If insert reductor between the pivot flange 21 shown in the Figure of description of this number of patent application and servomotor 22, the platform afterbody of penetrating of this machine will be long especially so, causes the entire length overlength of machine.
Summary of the invention
The technical problems to be solved in the utility model is: avoid above-mentioned the deficiencies in the prior art part, a kind of injection machine single cylinder injection mechanism is provided, its piston rod that is used for injection remains stable in the melten gel process; Its rotating speed, moment of torsion that is used for the servo motor of melten gel is applicable to the drive screw melten gel after changing through frame for movement, and this servo motor the unlikely entire length that influences machine is set.
The technical scheme in the invention for solving the above technical problem is: injection machine single cylinder injection mechanism, comprise screw rod, rubber melting cylinder, flange, penetrate the platform header board, piston rod, servo motor, reductor, contiguous block, power transmission shaft, penetrate plate behind the platform, piston, also comprise drive sleeve, connecting plate, seat board, arm-tie, top chock, last rotating shaft, driving wheel, be with synchronously, driven pulley, step, lower rotary shaft, described flange, penetrate the platform header board, connecting plate, penetrate plate behind the platform, contiguous block, reductor, step, seat board links into an integrated entity, described flange, rubber melting cylinder is fixedly connected with serrated nut.Screw rod is set in the rubber melting cylinder.Described penetrating behind the platform arranges power transmission shaft in the plate, and the left end of power transmission shaft is slidingly connected by spline and drive sleeve, and the endoporus of right-hand member is connected with the output shaft of reductor.The right-hand member of described drive sleeve is axially fixed on the piston by bearing and nut.
Bearing and lower rotary shaft are set in the step, and the left end of lower rotary shaft is connected with the power shaft of reductor cover, the right-hand member fixed installation driven pulley of lower rotary shaft.Seat board is positioned on the step, and is fixed on the contiguous block with eight stay pipes and inner bolt thereof, nut.Arm-tie places in the groove of seat board upper end.The left end fixed installation servo motor of arm-tie, the right-hand member fixed installation top chock of arm-tie.Bearing is set in the top chock and goes up rotating shaft, the left end endoporus of last rotating shaft is connected with the output shaft of servo motor, the right-hand member fixed installation driving wheel of last rotating shaft.Be connected with band synchronously between driven pulley and the driving wheel.Described seat board upper end also fixedly mounts adjustable plate, the left end of adjustable plate is installed adjustment screw, turn adjustment screw, arm-tie moves up and down in the groove of seat board, the servo motor and the driving wheel that are fixed on the arm-tie are followed movement, so just can adjust the centre-to-centre spacing between driving wheel and the driven pulley, thereby reach the tensioning purpose of band synchronously.The left end of servo motor is fixed on by full tooth screw, fixed head and penetrates behind the platform above the plate so that servo motor when rotating its left end be unlikely to beat too big.Described full tooth screw must split out before the band synchronously in tensioning, treat to be screwed into fixed head again after the tensioning action is finished, with servo motor with penetrate platform after plate fixedly connected.
The left end fixed installation piston rod of piston, the left end fixed installation end cap of piston rod arranges needle bearing between piston rod and the end cap, and needle bearing is enclosed within on the drive sleeve.Described end cap fixed installation orientation axes, orientation axes fixed installation guide bearing, guide bearing rolls in the groove of position plate.Described orientation axes, guide bearing and position plate all have two, and horizontal direction is symmetrically distributed in the both sides, front and back of penetrating the platform header board.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the utility model embodiment.
Fig. 2 is A-A cutaway view of the present utility model.
Among the figure: 1-screw rod, 2-rubber melting cylinder, 3-flange, 4-drive sleeve, 5-penetrates the platform header board, 6-piston rod, 7-connecting plate, the full tooth screw of 8-, the 9-fixed head, 10-servo motor, 11-seat board, 12-arm-tie, the 13-adjustment screw, 14-adjustable plate, 15-lock-screw, 16-top chock, the last rotating shaft of 17-, the 18-driving wheel, 19-is with synchronously, the 20-driven pulley, 21-serrated nut, 22-step, the 23-lower rotary shaft, 24-stay pipe, 25-reductor, 26-contiguous block, 27-power transmission shaft, 28-are penetrated plate behind the platform, the 29-piston, 30-needle bearing, 31-end cap, the 32-orientation axes, 33-guide bearing, 34-position plate.
The specific embodiment
The utility model is described in further details with most preferred embodiment below in conjunction with accompanying drawing:
Injection machine single cylinder injection mechanism described in the utility model, as shown in Figure 1, comprise screw rod 1, rubber melting cylinder 2, flange 3, penetrate platform header board 5, piston rod 6, servo motor 10, reductor 25, contiguous block 26, power transmission shaft 27, penetrate plate 28 behind the platform, piston 29, also comprise drive sleeve 4, connecting plate 7, seat board 11, arm-tie 12, top chock 16, last rotating shaft 17, driving wheel 18, be with 19 synchronously, driven pulley 20, step 22, lower rotary shaft 23, described flange 3, penetrate platform header board 5, connecting plate 7, penetrate plate 28 behind the platform, contiguous block 26, reductor 25, step 22, seat board 11 links into an integrated entity, described flange 3, rubber melting cylinder 2 usefulness serrated nuts 21 are fixedly connected.Screw rod 1 is set in the rubber melting cylinder 2.Described penetrating behind the platform arranges power transmission shaft 27 in the plate 28, and the left end of power transmission shaft 27 is slidingly connected by spline and drive sleeve 4, and the endoporus of right-hand member is connected with the output shaft of reductor 25.The right-hand member of described drive sleeve 4 is axially fixed on the piston 29 by bearing and nut, make drive sleeve 4 and piston 29 axial same moved further, circumferentially can relatively rotate.
Bearing and lower rotary shaft 23 are set in the described step 22, and the left end of lower rotary shaft 23 is connected with the power shaft cover of reductor 25, the right-hand member fixed installation driven pulley 20 of lower rotary shaft 23.Seat board 11 is positioned on the step 22, and is fixed on the contiguous block 26 with eight stay pipes 24 and inner bolt thereof, nut.Arm-tie 12 places in the groove of seat board 11 upper ends, the left end of arm-tie 12 fixed installation servo motor 10, the right-hand member fixed installation top chock 16 of arm-tie 12.Bearing is set in the top chock 16 and goes up rotating shaft 17, the left end endoporus of last rotating shaft 17 is connected with the output shaft of servo motor 10, the right-hand member fixed installation driving wheel 18 of last rotating shaft 17.Between driven pulley 20 and the driving wheel 18 with being with 19 to be connected synchronously.Described seat board 11 upper ends also fixedly mount adjustable plate 14, the left end of adjustable plate 14 is installed adjustment screw 13, turn adjustment screw 13, arm-tie 12 moves up and down in the groove of seat board 11, the servo motor 10 and the driving wheel 18 that are fixed on the arm-tie 12 are followed movement, so just can adjust the centre-to-centre spacing between driving wheel 18 and the driven pulley 20, thereby reach tensioning synchronously with 19 purpose.The left end of servo motor 10 is fixed on by full tooth screw 8, fixed head 9 and penetrates behind the platform above the plate 28 so that servo motor 10 when rotating its left end be unlikely to beat too big.Described full tooth screw 8 must split out before tensioning is with 19 synchronously, treat to be screwed into fixed head 9 again after tensioning action is finished, with servo motor 10 with penetrate platform after plate 28 fixedly connected.
As shown in Figure 1 and Figure 2, the left end fixed installation piston rod 6 of described piston 29, the left end fixed installation end cap 31 of piston rod 6 arranges needle bearing 30 between piston rod 6 and the end cap 31, needle bearing 30 is enclosed within on the drive sleeve 4, and the rotation of drive sleeve 4 is played the axle head radial location.Described end cap 31 fixed installation orientation axes 32, orientation axes 32 fixed installation guide bearings 33, guide bearing 33 rolls in the groove of position plate 34, prevents that when drive sleeve 4 rotations piston rod 6, piston 29 from rotating, and the circular runout of limited piston bar 6.Described orientation axes 32, guide bearing 33 and position plate 34 all have two, horizontal direction be symmetrically distributed in penetrate platform header board 5 the both sides, front and back (as shown in Figure 2.Be drawn as vertical direction for the view simplification among Fig. 1).
Operation principle of the present utility model is: during melten gel, servo motor 10 rotates, by last rotating shaft 17, driving wheel 18, synchronously with 19, driven pulley 20, lower rotary shaft 23, reductor 25 give power transmission shaft 27 with suitable rotating speed and torque transfer, power transmission shaft 27 drives drive sleeve 4, screw rod 1 rotates and carries out melten gel, the reaction force lead-screw 1 of sizing material, drive sleeve 4, piston 29 are mobile backward in the rubber melting cylinder 2 simultaneously, until the shift value that reaches setting; In the melten gel process, because the left end of piston rod 6 is outstanding long bigger, when drive sleeve 4 rotations, the circular runout meeting of piston rod 6 is very big, particularly when drive sleeve 4 is rotated at a high speed.This moment, the groove of position plate 34 limited beating of guide bearing 33, because guide bearing 33 is rigidly attached on the piston rod 6 by orientation axes 32, end cap 31, thereby reduced the intensity of piston rod 6 circular runouts widely, play a part stable to the melten gel process.
During injection, hydraulic oil injects from the oilhole on the contiguous block 26, and promotion piston 29, drive sleeve 4, screw rod 1 travel forward, and finish action of injection.
Specific embodiment described in this specification, the profile of its parts, internal structure etc. can be different.Allly conceive the equivalent transformation that described structure, feature and principle are done according to the utility model, be included in the protection domain of the utility model patent.
Claims (2)
1. injection machine single cylinder injection mechanism, comprise screw rod (1), rubber melting cylinder (2), flange (3), penetrate platform header board (5), piston rod (6), servo motor (10), reductor (25), contiguous block (26), power transmission shaft (27), penetrate plate (28) behind the platform, piston (29), it is characterized in that: also comprise drive sleeve (4), connecting plate (7), seat board (11), arm-tie (12), top chock (16), last rotating shaft (17), driving wheel (18), be with synchronously (19), driven pulley (20), step (22), lower rotary shaft (23), described flange (3), penetrate platform header board (5), connecting plate (7), penetrate plate (28) behind the platform, contiguous block (26), reductor (25), step (22), seat board (11) links into an integrated entity, described penetrating behind the platform arranges power transmission shaft (27) in the plate (28), the left end of power transmission shaft (27) is slidingly connected by spline and drive sleeve (4), the endoporus of right-hand member is connected with the output shaft of reductor (25), bearing and lower rotary shaft (23) are set in the step (22), the left end of lower rotary shaft (23) is connected with the power shaft cover of reductor (25), the right-hand member fixed installation driven pulley (20) of lower rotary shaft (23), arm-tie (12) places in the groove of seat board (11) upper end, the left end fixed installation servo motor (10) of arm-tie (12), the right-hand member fixed installation top chock (16) of arm-tie (12), bearing is set in the top chock (16) and goes up rotating shaft (17), the left end endoporus of last rotating shaft (17) is connected with the output shaft of servo motor (10), be connected with synchronous be with (19) between the right-hand member of last rotating shaft (17) the fixed installation driving wheel (18), driven pulley (20) and driving wheel (18).
2. a kind of injection machine single cylinder injection mechanism according to claim 1, it is characterized in that: the left end fixed installation piston rod (6) of piston (29), the left end fixed installation end cap (31) of piston rod (6), described end cap (31) fixed installation orientation axes (32), orientation axes (32) fixed installation guide bearing (33), guide bearing (33) rolls in the groove of position plate (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220416746.7U CN203110280U (en) | 2012-08-22 | 2012-08-22 | Single cylinder injection mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220416746.7U CN203110280U (en) | 2012-08-22 | 2012-08-22 | Single cylinder injection mechanism of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110280U true CN203110280U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220416746.7U Expired - Lifetime CN203110280U (en) | 2012-08-22 | 2012-08-22 | Single cylinder injection mechanism of injection molding machine |
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| CN (1) | CN203110280U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821794A (en) * | 2014-03-06 | 2014-05-28 | 宁波欧意莱机械制造有限公司 | Return driving mechanism of injection molding machine oil cylinder |
| CN107053617A (en) * | 2017-03-15 | 2017-08-18 | 刘镇江 | The electric injection device of injection machine |
| CN110385841A (en) * | 2019-08-27 | 2019-10-29 | 宁波卓益控制技术有限公司 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
| CN117532834A (en) * | 2023-12-06 | 2024-02-09 | 博创智能装备股份有限公司 | Energy-saving environment-friendly single-cylinder injection molding machine |
-
2012
- 2012-08-22 CN CN201220416746.7U patent/CN203110280U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821794A (en) * | 2014-03-06 | 2014-05-28 | 宁波欧意莱机械制造有限公司 | Return driving mechanism of injection molding machine oil cylinder |
| CN103821794B (en) * | 2014-03-06 | 2016-06-01 | 宁波欧意莱机械制造有限公司 | Driving mechanism return by a kind of injection moulding machine oil cylinder |
| CN107053617A (en) * | 2017-03-15 | 2017-08-18 | 刘镇江 | The electric injection device of injection machine |
| CN107053617B (en) * | 2017-03-15 | 2023-03-28 | 刘镇江 | Electric injection device of injection molding machine |
| CN110385841A (en) * | 2019-08-27 | 2019-10-29 | 宁波卓益控制技术有限公司 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
| CN117532834A (en) * | 2023-12-06 | 2024-02-09 | 博创智能装备股份有限公司 | Energy-saving environment-friendly single-cylinder injection molding machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160810 Address after: 528500 Guangdong province Foshan Gaoming Cangjiang Industrial Park Yang Heyuan District Patentee after: YAN HING MACHINERY (FOSHAN) CO.,LTD. Address before: 518000 Guangdong city of Shenzhen province Baoan District Longhua town people Road No. 657 Patentee before: Yan Hing Machinery (Shenzhen) Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |