CN215320184U - Gear rack pivoted changes die core device - Google Patents
Gear rack pivoted changes die core device Download PDFInfo
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- CN215320184U CN215320184U CN202120018010.3U CN202120018010U CN215320184U CN 215320184 U CN215320184 U CN 215320184U CN 202120018010 U CN202120018010 U CN 202120018010U CN 215320184 U CN215320184 U CN 215320184U
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- rotary die
- die core
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Abstract
The utility model belongs to the field of clear double-color rotary mold core injection molding machines, in particular to a rotary mold core device with a gear rack rotating, aiming at the problems that the rigidity of the existing synchronous belt is poor, the positioning of a mold core is not accurate when the rotary mold core rotates in a reciprocating way by 180 degrees frequently, and the running stability of a machine is poor, the rotary mold core device comprises a movable mold plate, a servo motor, a planetary gear transmission case and a rotary mold core driving gear are arranged on the rear side surface of the movable mold plate, a rotary mold core transmission shaft bearing seat is arranged on the central position behind the movable mold plate, a rotary mold core transmission shaft is arranged on one side of the rotary mold core transmission shaft bearing seat, the rigidity of the rotary mold core is much better than that of the synchronous belt and the synchronous wheel, so that the positioning precision of the mold core on the mold in the double-color injection molding machine when the mold core rotates in a reciprocating way by 180 degrees is greatly improved, and the running stability of the machine is ensured, the production capacity is improved.
Description
Technical Field
The utility model relates to the technical field of clear double-color rotary mold core injection molding machines, in particular to a rotary mold core device with a gear and a rack rotating.
Background
Along with the development of a clear double-color rotary mold core injection molding machine. There is the problem point at present in the rotary die core structure: the mold core rotation adopts a synchronous belt, a synchronous wheel, a servo motor and a transmission rotating device, and the synchronous belt is made of a composite material of nylon and steel wires, so that the mold core is inaccurately positioned and the fault of inaccurate positioning often occurs when the mold core rotates in a 180-degree reciprocating manner due to stress and stretching in use of the material, the stability of continuous operation of a machine is influenced, and the mold is damaged in severe cases.
The center of the prior art adopts a synchronous wheel and a synchronous belt for transmission, a bearing is arranged in a center hole of a movable template, a transmission shaft sleeve of a rotary die mandrel penetrates through an inner hole of the bearing, a locking nut is arranged, and the bearing is arranged. The bearing is arranged on an inner hole at the back of the rotary die mandrel, the rotary die mandrel penetrates through an inner hole of a transmission shaft sleeve of the rotary die mandrel, and the rotary die mandrel oil cylinder connecting seat is connected after the die core oil cylinder group is arranged on the back of the movable die plate. And a transition plate, a driven synchronous pulley of the rotary die core, a driving pulley and a synchronous belt are arranged, and the tension of the synchronous belt is adjusted. The device has the defects that the rigidity of the synchronous belt is poor, so that the positioning of the mold core is inaccurate when the rotary mold core rotates back and forth for 180 degrees frequently, and the running stability of the machine is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the rigidity of a synchronous belt is poor, the positioning of a mold core is inaccurate when a rotary mold core rotates in a reciprocating way for 180 degrees frequently, and the running stability of a machine is poor in the prior art, and provides a rotary mold core device for rotating a gear rack.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a rotary die core device with a gear rack rotating comprises a movable die plate, wherein a servo motor, a planetary gear gearbox and a rotary die core driving gear are arranged on the rear side surface of the movable die plate, a rotary die core transmission shaft bearing seat is arranged on the rear central position of the movable die plate, a rotary die core transmission shaft is arranged on one side of the rotary die core transmission shaft bearing seat, a bearing of the rotary die core transmission shaft is arranged on the rotary die core transmission shaft bearing seat, a rotary die core transmission shaft sleeve, a rotary die core driven gear, a rotary die core upper rack and a rotary die core lower rack are arranged on the rotary die core transmission shaft bearing seat, the rotary die core upper rack and the rotary die core lower rack are meshed with the rotary die core driving gear and the rotary die core driven gear, a die core gear gland is arranged on the movable die plate, a rotary die core shaft and a die core oil cylinder group are arranged on the movable die plate, a rotary die core oil cylinder connecting seat and a rotary die core oil cylinder support are arranged on the movable die plate, the front of the movable template is provided with a rotary mold core guide sleeve and a mold core mold base, and the movable template is provided with a turntable.
Preferably, the movable template is provided with a linear guide rail, the upper rack of the rotary die core and the lower rack of the rotary die core are provided with linear guide rail sliders, and the linear guide rail sliders are connected with the linear guide rail in a sliding manner.
Preferably, a bearing is installed in the center hole of the movable template, an inner hole is formed in the bearing, and the rotary die mandrel transmission shaft sleeve penetrates through the inner hole of the bearing.
The utility model has the beneficial effects that: because the rotary die core adopts gear and rack transmission, the rigidity is much better than that of a synchronous belt and synchronous wheel transmission, the positioning precision of the die core on the die in the double-color injection molding machine, which rotates 180 degrees in a reciprocating way, is greatly improved, the stability of the machine operation is ensured, and the production capacity is improved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a side center sectional view of the structure of the present invention;
FIG. 3 is a front intermediate sectional view of the structure of the present invention;
figure 4 is a top center cross-sectional view of a junction of the present invention.
In the figure: 1 movable mould plate, 2 servo motors, 3 planetary gear gearboxes, 4 rotary mould core driving gears, 5 rotary mould core transmission shaft bearing seats, 6 rotary mould core transmission shafts, 7 rotary mould core transmission shaft sleeves, 8 rotary mould core driven gears, 9 rotary mould core upper racks, 10 rotary mould core lower racks, 11 linear guide rails, 12 linear guide rail sliders, 13 mould core gear gland covers, 14 rotary mould cores, 15 mould core oil cylinder groups, 16 rotary mould core oil cylinder connecting seats, 17 rotary mould core guide sleeves, 18 mould core mould bases, 19 rotary tables and 20 rotary mould core oil cylinder supporting seats.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a rotary die core device with gear rack rotation comprises a movable die plate 1, a servo motor 2, a planetary gear gearbox 3 and a rotary die core driving gear 4 are arranged on the rear side surface of the movable die plate 1, a rotary die core transmission shaft bearing seat 5 is arranged on the rear central position of the movable die plate 1, a rotary die core transmission shaft 6 is arranged on one side of the rotary die core transmission shaft bearing seat 5, a bearing of the rotary die core transmission shaft 6 is arranged on the rotary die core transmission shaft bearing seat 5, a rotary die core transmission shaft sleeve 7, a rotary die core driven gear 8, a rotary die core upper rack 9, a rotary die core lower rack 10, a rotary die core upper rack 9 and a rotary die core lower rack 10 are arranged on the rotary die core transmission shaft bearing seat 5 and meshed with the rotary die core driving gear 4 and the rotary die core driven gear 8, a die core gear gland 13 is arranged on the movable die plate 1, a rotary die core 14 and a die core oil cylinder group 15 are arranged on the movable die plate 1, a rotary die mandrel oil cylinder connecting seat 16 and a rotary die mandrel oil cylinder support 20 are arranged on the movable die plate 1, a rotary die core guide sleeve 17 and a die core die base 18 are arranged on the front surface of the movable die plate 1, and a rotary table 19 is arranged on the movable die plate 1; a linear guide rail 11 is arranged on the movable template 1, a linear guide rail sliding block 12 is arranged on the rotary template core upper rack 9 and the rotary template core lower rack 10, and the linear guide rail sliding block 12 is connected with the linear guide rail 11 in a sliding manner; the movable mould plate 1 is provided with a bearing in the center hole, the bearing is provided with an inner hole, and the rotary mould core shaft transmission shaft sleeve 7 penetrates through the inner hole of the bearing.
In the utility model, a rotary die mandrel 14 is connected and matched with a rotary die mandrel transmission sleeve 7 through a key, the excircle of the rotary die mandrel transmission sleeve 7 is arranged on a bearing inner hole on an inner hole of a movable die plate 1, simultaneously, the excircle of the rotary die mandrel transmission sleeve 7 is connected and matched with the inner hole of a rotary die core driven gear 8 through a key, two sides of the excircle of the rotary die core driven gear 8 are respectively meshed with an upper rotary die core rack 9 and a lower rotary die core rack 10, the upper rotary die core rack 9 and the lower rotary die core rack 10 are driven by a rotary die core driving gear 4 to do mutual reverse linear motion so as to drive the rotary die core driven gear to rotate 8, the rotary die core driven gear 8 also drives the rotary die mandrel transmission sleeve 7 to rotate, the rotary die core transmission sleeve 7 also drives the rotary die mandrel 14 to rotate, the power for driving the rotary die core driving gear 7 is a servo motor 2 and a planetary gear transmission 3, therefore, the die core shaft 14 rotates in a reciprocating manner for 180 degrees, and the die core oil cylinder group 14 is used for driving the oil cylinder to do reciprocating linear motion through oil pressure, so that the die core shaft 14 is driven to do reciprocating axial motion in the die core shaft transmission shaft sleeve 7.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (3)
1. A rotary die core device with a gear rack rotating comprises a movable die plate (1) and is characterized in that a servo motor (2), a planetary gear gearbox (3) and a rotary die core driving gear (4) are installed on the rear side face of the movable die plate (1), a rotary die core transmission shaft bearing seat (5) is installed on the rear central position of the movable die plate (1), a rotary die core transmission shaft (6) is arranged on one side of the rotary die core transmission shaft bearing seat (5), a bearing of the rotary die core transmission shaft (6) is installed on the rotary die core transmission shaft bearing seat (5), a rotary die core transmission shaft sleeve (7), a rotary die core driven gear (8), a rotary die core upper rack (9) and a rotary die core lower rack (10) are installed on the rotary die core transmission shaft bearing seat (5), the rotary die core upper rack (9) and the rotary die core lower rack (10) are meshed with the rotary die core driving gear (4) and the rotary die core driven gear (8), install mold core gear gland (13) on movable mould board (1), install change mould dabber (14) and mold core cylinder group (15) on movable mould board (1), install change mould dabber hydro-cylinder joint chair (16) and change mould dabber hydro-cylinder support (20) on movable mould board (1), change mold core uide bushing (17) and mold core mould base (18) are installed in the front of movable mould board (1), install carousel (19) on movable mould board (1).
2. The rotary die core device with the gear rack rotating function according to claim 1, wherein a linear guide rail (11) is arranged on the movable die plate (1), linear guide rail sliding blocks (12) are arranged on the upper rack (9) of the rotary die core and the lower rack (10) of the rotary die core, and the linear guide rail sliding blocks (12) are in sliding connection with the linear guide rail (11).
3. The rotary die core device for the gear rack rotation according to claim 1, wherein a bearing is installed in a central hole of the movable die plate (1), an inner hole is formed in the bearing, and the rotary die core shaft transmission shaft sleeve (7) penetrates through the inner hole of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120018010.3U CN215320184U (en) | 2021-01-06 | 2021-01-06 | Gear rack pivoted changes die core device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120018010.3U CN215320184U (en) | 2021-01-06 | 2021-01-06 | Gear rack pivoted changes die core device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215320184U true CN215320184U (en) | 2021-12-28 |
Family
ID=79571588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120018010.3U Active CN215320184U (en) | 2021-01-06 | 2021-01-06 | Gear rack pivoted changes die core device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215320184U (en) |
-
2021
- 2021-01-06 CN CN202120018010.3U patent/CN215320184U/en active Active
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