CN218007127U - Pre-stretching device of agricultural implement round bundle film winding machine - Google Patents
Pre-stretching device of agricultural implement round bundle film winding machine Download PDFInfo
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- CN218007127U CN218007127U CN202222079814.1U CN202222079814U CN218007127U CN 218007127 U CN218007127 U CN 218007127U CN 202222079814 U CN202222079814 U CN 202222079814U CN 218007127 U CN218007127 U CN 218007127U
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Abstract
The utility model belongs to agricultural machinery trade agricultural implement supporting device field relates to an agricultural implement circle bundle twines membrane machine and prestretches device, including film roller mounting bracket, it is connected with the film roller to rotate on the film roller mounting bracket, it is connected with directional roller support dwang to rotate on the film roller mounting bracket, first directional roller support of fixedly connected with and the directional roller support of second on the directional roller support dwang, the cover has the torsional spring on the directional roller support dwang, be equipped with on the first directional roller support with torsional spring matched with torsional spring hole, it is connected with first directional roller and the directional roller of second to rotate between first directional roller support and the directional roller support of second, be equipped with drive mechanism on the first directional roller support, drive mechanism is connected with first directional roller and the directional roller of second. The utility model can control the stretching amount of the film, not only can effectively improve the sealing effect of the film, but also can avoid the film tearing damage caused by the overlarge stretching amount; the gear pair can be selected according to the specification of the film, and the requirements of different users are met.
Description
Technical Field
The utility model relates to an agricultural implement circle bundle twines membrane machine and prestretches device belongs to agricultural machine trade agricultural implement supporting device field.
Background
The film pre-stretching device is one of the most main working parts on the film wrapping machine, the film wrapping machine on the domestic market at present mostly adopts a traditional film stretching mechanism, the speed of the film when being pulled out is slower than the rotation speed of the grass bales through the friction damping of an adjusting mechanism, and the film is wrapped on the grass bales when being pulled out, but the traditional mode has the problems that the film tensioning force is unstable, the stretching amount of the film cannot be accurately controlled, and the wrapping performance of the film on the grass bales is poor and the sealing performance is poor when the film tensioning force is loose; when the tensioning force is too large, the thin film is easy to tear and damage, the sealing effect is lost, and the further requirements of users are difficult to meet.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the prestretching device overcomes the defects of the prior art, and provides the prestretching device for the agricultural implement round bale wrapping machine, wherein before a film is wrapped around a bale, a prestretching effect is formed between two directional rollers, and finally when the film is wrapped around the bale, the film has 55% -70% of stretching amount, so that a better sealing effect can be realized, and the phenomenon that the film is torn and damaged due to overlarge tensioning force and loses the sealing effect can be avoided.
Agricultural implement circle bundle twine membrane machine prestretching device include film roller mounting bracket, it is connected with the film roller to rotate on the film roller mounting bracket, it is connected with directional roller support dwang to rotate on the film roller mounting bracket, first directional roller support of fixedly connected with and the directional roller support of second on the directional roller support dwang, the cover has the torsional spring on the directional roller support dwang, be equipped with on the first directional roller support with torsional spring matched with torsional spring hole, it is connected with first directional roller and the directional roller of second to rotate between first directional roller support and the directional roller support of second, be equipped with drive mechanism on the first directional roller support, drive mechanism is connected with first directional roller and the directional roller of second.
Working process or working principle:
when the film pre-stretching device is used, the film roller is installed on the film roller installation frame, the film is wound on the first orientation roller and then is reversely wound on the second orientation roller, the film is S-shaped, the binding surfaces of the film on the first orientation roller and the second orientation roller are larger than half of the circumferential direction, the friction force between the film and the first orientation roller and the second orientation roller is ensured, the torsion of a torsion spring is utilized to drive the first orientation roller support to rotate, so that the first orientation roller compresses the film roller, the film on the second orientation roller is pulled to drive the second orientation roller to rotate, so that the transmission mechanism is utilized to drive the first orientation roller to rotate, the transmission ratio set by the transmission mechanism enables the rotating speeds of the first orientation roller and the second orientation roller to be different, the rotating speed of the first orientation roller is lower than that of the second orientation roller, the film between the first orientation roller and the second orientation roller is tensioned, and the pre-stretching function is realized.
The transmission mechanism comprises a transmission case and a first gear, a first orientation roller is fixedly connected with the first gear in the transmission case, a second orientation roller is fixedly connected with a second gear meshed with the first gear in the transmission case, the second orientation roller is driven to rotate by pulling a film, the second gear fixed on the second orientation roller rotates, so that the first gear meshed with the second orientation roller is driven to rotate, the rotation of the first orientation roller is further realized, the rotation speeds of the first orientation roller and the second orientation roller are different through the gear ratio of the first gear to the second gear, the stretching effect of the film is further realized, and the first gear and the second gear are installed in the transmission case to effectively avoid the influence of dust and impurities on the gear transmission.
The transmission case in fixedly connected with third gear and fourth gear, third gear and fourth gear pass through the bolt fastening in the transmission case, install third gear and fourth gear in the transmission case, can change the gear pair of different gear ratios according to the specification of film to realize the tensile effect of different specification films, the gear that replaces is fixed in the transmission case, both conveniently change and also prevent that the gear that replaces from losing.
The film cutting machine is characterized in that a sensor is installed on the transmission case, when the film cutting machine works, the sensor starts to detect the working states of the first gear and the second gear, and when the first gear and the second gear stop working, the sensor gives an alarm to remind workers that the film is exhausted or the film is broken to cause the first orientation roller and the second orientation roller to stop working.
The film roller mounting frame is rotatably connected with a locking handle, a locking hook is arranged on the locking handle, when the film roller needs to be replaced, the first orientation roller and the film roller are separated manually, the locking handle is pressed down to enable the locking hook to hook the frame of the second orientation roller support after the second orientation roller support reaches the position, the film roller is convenient to replace, when the film roller mounting frame works, the locking handle is lifted to enable the locking hook to be separated from the second orientation roller support, the torsion spring rotates the first orientation roller and the second orientation roller to the working position by utilizing torsion force, the first orientation roller is enabled to be tightly pressed onto the film roller, the first orientation roller and the film roller are in a mutual compression state under the action of the torsion spring when the film roller works, and the rotating speed is synchronous.
The surface of the first orientation roller and the surface of the second orientation roller are both provided with knurls, the surface of the first orientation roller and the surface of the second orientation roller are both provided with special knurls, when the film wraps the first orientation roller and the second orientation roller according to the set direction, the knurls can well bite the film, no relative sliding between the film and the first orientation roller and the second orientation roller is ensured, and the stability of the tension force of the film is realized.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can control the stretching amount of the film, not only can effectively improve the tensile force of the film and improve the sealing effect of the film, but also can avoid tearing and damaging the film and losing the sealing effect due to overlarge stretching amount; the gear pair can be selected according to the specification of the film, and the requirements of different users are met.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a front view of the present invention,
figure 3 is a left side view of the present invention,
figure 4 is a top view of the present invention,
FIG. 5 is a schematic view of the torsion spring of the present invention,
figure 6 is a schematic structural diagram of the transmission mechanism of the invention,
fig. 7 is a schematic structural view of the locking handle of the present invention.
In the figure: 1. a film roll mounting frame; 2. a film roll; 3. a first orientation roller; 4. a film; 5. a second orientation roller; 6. locking the handle; 7. a second guide roller support; 8. a transmission case; 9. a rotating rod of the directional roller bracket; 10. a sensor; 11. a first gear; 12. a second gear; 13. a third gear; 14. a fourth gear; 15. a first steering roller support; 16. a latch hook; 17. a torsion spring; 18. a torsion spring hole.
Detailed Description
Example 1
As shown in fig. 1-5, agricultural implement circle bundle twine membrane machine prestretching device, including film roller mounting bracket 1, it is connected with film roller 2 to rotate on the film roller mounting bracket 1, it is connected with directional roller support dwang 9 to rotate on the film roller mounting bracket 1, first directional roller support 15 of fixedly connected with and second directional roller support 7 on the directional roller support dwang 9, the cover has torsional spring 17 on the directional roller support dwang 9, be equipped with on the first directional roller support 15 with torsional spring 17 matched with torsional spring hole 18, it is connected with first directional roller 3 and second directional roller 5 to rotate between first directional roller support 15 and the second directional roller support 7, be equipped with drive mechanism on the first directional roller support 15, drive mechanism is connected with first directional roller 3 and second directional roller 5.
Working process or working principle:
when the stretching device is used, the film roller 2 is installed on the film roller installation frame 1, the film 4 is wound on the first orientation roller 3 and then is reversely wound on the second orientation roller 5, the film 4 is S-shaped, the binding surfaces of the film 4 on the first orientation roller 3 and the second orientation roller 5 are larger than half of the circumferential direction, the friction force between the film 4 and the first orientation roller 3 and the second orientation roller 5 is ensured, the torsion of the torsion spring 17 is utilized to drive the first orientation roller support 15 to rotate, so that the first orientation roller 3 compresses the film roller 2, the film 4 on the second orientation roller 5 is pulled to drive the second orientation roller 5 to rotate, so that the transmission mechanism is utilized to drive the first orientation roller 3 to rotate, the rotation speed of the first orientation roller 3 is different from that of the second orientation roller 5, the rotation speed of the first orientation roller 3 is lower than that of the second orientation roller 5, and the film 4 between the first orientation roller 3 and the second orientation roller 5 is tensioned, so as to realize the pre-stretching function.
The utility model discloses can control the tensile volume of film, can effectively improve the tensile force of film, improve the sealed effect of film, can avoid tensile volume too big again and lead to the film to tear the damage, lose sealed effect.
Example 2
As shown in figures 1-7, agricultural implement circle bundle twine membrane machine prestretching device, including film roller mounting bracket 1, it is connected with film roller 2 to rotate on the film roller mounting bracket 1, it is connected with directional roller support dwang 9 to rotate on the film roller mounting bracket 1, first directional roller support 15 of fixedly connected with and second directional roller support 7 on the directional roller support dwang 9, the cover has torsional spring 17 on the directional roller support dwang 9, be equipped with on the first directional roller support 15 with torsional spring 17 matched with torsional spring hole 18, it is connected with first directional roller 3 and second directional roller 5 to rotate between first directional roller support 15 and the second directional roller support 7, be equipped with drive mechanism on the first directional roller support 15, drive mechanism is connected with first directional roller 3 and second directional roller 5.
In this embodiment: the transmission mechanism comprises a transmission box 8 and a first gear 11, the first orientation roller 3 is fixedly connected with the first gear 11 in the transmission box 8, the second orientation roller 5 is fixedly connected with a second gear 12 meshed with the first gear 11 in the transmission box 8, the second orientation roller 5 is driven to rotate by pulling the film 4, the second gear 12 fixed on the second orientation roller 5 rotates to drive the first gear 11 meshed with the second orientation roller to rotate, so that the rotation of the first orientation roller 3 is realized, the rotating speeds of the first orientation roller 3 and the second orientation roller 5 are different through the gear ratio of the first gear 11 to the second gear 12, the stretching effect of the film 4 is further realized, and the first gear 11 and the second gear 12 are arranged in the transmission box 8 to effectively avoid the influence of dust and impurities on gear transmission; a third gear 13 and a fourth gear 14 are fixedly connected in the transmission box 8, the third gear 13 and the fourth gear 14 are fixed in the transmission box 8 through bolts, the third gear 13 and the fourth gear 14 are installed in the transmission box 8, gear pairs with different gear ratios can be replaced according to the specifications of the films 4 so as to realize the stretching effect of the films 4 with different specifications, and the replaced gears are fixed in the transmission box 8, so that the replacement is convenient and the loss of the replaced gears is prevented; the transmission case 8 is provided with a sensor 10, when the transmission case works, the sensor 10 starts to detect the working states of the first gear 11 and the second gear 12, and when the first gear 11 and the second gear 12 stop working, the sensor 10 gives an alarm to remind workers that the first orientation roller 3 and the second orientation roller 5 stop working due to the depletion of the film 4 or the breakage of the film 4; the film roll mounting frame 1 is rotatably connected with a locking handle 6, the locking handle 6 is provided with a locking hook 16, when the film roll 2 needs to be replaced, the first orientation roll 3 and the film roll 2 are manually separated, when the second orientation roll bracket 7 reaches the position, the locking handle 6 is pressed down to enable the locking hook 16 to hook the frame of the second orientation roll bracket 7, so that the film roll 2 is conveniently replaced, when the film roll mounting frame works, the locking handle 6 is lifted to enable the locking hook 16 to be separated from the second orientation roll bracket 7, the first orientation roll 3 and the second orientation roll 5 are rotated to the working position by utilizing the torsion of a torsion spring 17, so that the first orientation roll 3 is pressed onto the film roll 2, and under the action of the torsion spring 17, the first orientation roll 3 and the film roll 2 are in a mutual pressing state when working, and the rotating speeds are synchronous; the surface of the first orientation roller 3 and the surface of the second orientation roller 5 are both provided with knurls, the surface of the first orientation roller 3 and the surface of the second orientation roller 5 are both provided with special knurls, when the film 4 wraps the first orientation roller 3 and the second orientation roller 5 in a given direction, the knurls can well bite the film 4, no relative sliding between the film 4 and the first orientation roller 3 and the second orientation roller 5 is ensured, and the stability of the tension force of the film 4 is realized.
Working process or working principle:
when the film roll fixing device is used, the first orientation roll 3 and the film roll 2 are separated manually, after the second orientation roll support 7 reaches the position, the locking handle 6 is pressed downwards to enable the locking hook 16 to hook the frame of the second orientation roll support 7, the film roll 2 is replaced, after the replaced film roll 2 is installed on the film roll installation frame 1, the film 4 is wound on the first orientation roll 3 and then is wound on the second orientation roll 5 in the reverse direction, the film 4 is S-shaped, the attaching surfaces of the film 4 on the first orientation roll 3 and the second orientation roll 5 are both larger than half of the circumference direction, the friction force between the film 4 and the first orientation roll 3 and the second orientation roll 5 is ensured, and then the locking handle 6 is lifted to enable the locking hook 16 to be separated from the second orientation roll support 7, the first orientation roller 3 and the second orientation roller 5 are rotated to working positions by the torsion of a torsion spring 17, so that the first orientation roller 3 is pressed onto the film roller 2, the film 4 on the second orientation roller 5 is pulled to drive the second orientation roller 5 to rotate, the second gear 12 fixed on the second orientation roller 5 is rotated to drive the first gear 11 meshed with the second orientation roller to rotate, and further the rotation of the first orientation roller 3 is realized, the rotation speeds of the first orientation roller 3 and the second orientation roller 5 are different through the gear ratio of the first gear 11 to the second gear 12, so that the rotation speed of the first orientation roller 3 is lower than that of the second orientation roller 5, and the film 4 positioned between the first orientation roller 3 and the second orientation roller 5 is tensioned, so that the pre-stretching function is realized.
The utility model can control the stretching amount of the film, not only can effectively improve the tensile force of the film and improve the sealing effect of the film, but also can avoid the film tearing damage and the loss of the sealing effect caused by the overlarge stretching amount; the gear pair can be selected and matched according to the specification of the film, and the requirements of different users are met.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (6)
1. The utility model provides an agricultural implement circle bundle twines membrane machine prestretching device which characterized in that: including film roller mounting bracket (1), it is connected with film roller (2) to rotate on film roller mounting bracket (1), it is connected with directional roller support dwang (9) to rotate on film roller mounting bracket (1), first directional roller support of fixedly connected with (15) and second directional roller support (7) on directional roller support dwang (9), the cover has torsional spring (17) on directional roller support dwang (9), be equipped with on first directional roller support (15) with torsional spring (17) matched with torsional spring hole (18), it is connected with first directional roller (3) and second directional roller (5) to rotate between first directional roller support (15) and second directional roller support (7), be equipped with drive mechanism on first directional roller support (15), drive mechanism is connected with first directional roller (3) and second directional roller (5).
2. The agricultural implement round bale film wrapping machine pre-stretching device according to claim 1, characterized in that: the transmission mechanism comprises a transmission case (8) and a first gear (11), the first orientation roller (3) is fixedly connected with the first gear (11) in the transmission case (8), and the second orientation roller (5) is fixedly connected with a second gear (12) meshed with the first gear (11) in the transmission case (8).
3. The agricultural implement round bale film wrapping machine pre-stretching device according to claim 2, characterized in that: and a third gear (13) and a fourth gear (14) are fixedly connected in the transmission case (8), and the third gear (13) and the fourth gear (14) are fixed in the transmission case (8) through bolts.
4. The agricultural implement round bale film wrapping machine pre-stretching device according to claim 2, characterized in that: and a sensor (10) is arranged on the transmission case (8).
5. The agricultural implement round bale film wrapping machine pretensioning device according to any one of claims 1 to 4, characterized in that: the film roller mounting frame (1) is rotatably connected with a locking handle (6), and a locking hook (16) is arranged on the locking handle (6).
6. The agricultural implement round bale film wrapping machine pre-stretching device according to claim 5, characterized in that: knurling is processed on the surfaces of the first directional roller (3) and the second directional roller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222079814.1U CN218007127U (en) | 2022-08-09 | 2022-08-09 | Pre-stretching device of agricultural implement round bundle film winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222079814.1U CN218007127U (en) | 2022-08-09 | 2022-08-09 | Pre-stretching device of agricultural implement round bundle film winding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218007127U true CN218007127U (en) | 2022-12-13 |
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ID=84345906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222079814.1U Active CN218007127U (en) | 2022-08-09 | 2022-08-09 | Pre-stretching device of agricultural implement round bundle film winding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218007127U (en) |
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2022
- 2022-08-09 CN CN202222079814.1U patent/CN218007127U/en active Active
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