CN215481621U - Phase difference type elliptic orbit needling machine - Google Patents
Phase difference type elliptic orbit needling machine Download PDFInfo
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- CN215481621U CN215481621U CN202121295781.3U CN202121295781U CN215481621U CN 215481621 U CN215481621 U CN 215481621U CN 202121295781 U CN202121295781 U CN 202121295781U CN 215481621 U CN215481621 U CN 215481621U
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Abstract
A phase difference type elliptic orbit needling machine relates to the field of non-woven cloth equipment. The needle plate beam is provided with needle plate beam seats which correspond to the input side connecting rods and the output side connecting rods one by one; the needling machine also comprises a needle plate beam seat swinging guide mechanism. The movement track of the needle tip of the needle is equal to or nearly elliptical, so that the needle has horizontal movement in the same direction as the material, and the relative displacement of the material and the needle in the conveying direction is nearly eliminated or greatly reduced, thereby obviously and effectively improving the apparent quality of the needled product.
Description
Technical Field
The utility model relates to the field of non-woven cloth equipment, in particular to a phase difference type elliptic orbit needling machine.
Background
Needle machines are one of the most widely used devices in the production of nonwovens. Through the needling process, the multi-layer fiber web formed by carding and lapping can be processed into felt-like materials meeting the requirements of indexes such as density, thickness, strength and the like.
When the needling machine works, the felting needles do up-and-down reciprocating motion to pierce materials. In the process, the material moves a certain distance (called stepping amount) along the conveying direction in each needling stroke; the needles move approximately half a step in the direction of transport from piercing to removing the material, which means that the needle holes are elongated and the needle tracks are rough. In this case, the needles are bent by the material, even causing breakage of the needles, and also affecting the apparent quality of the product. The coarse pinholes are also not beneficial to the subsequent processing of products, and the influence is very obviously harmful to products such as filter materials, leather base fabrics and the like which require fine structures and smooth surfaces or need to be coated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a phase difference type elliptic orbit needling machine which can effectively solve the problems in the background technology.
The technical scheme for realizing the purpose is as follows: the phase difference type elliptic orbit needling machine comprises a frame, wherein a needling assembly is arranged in the frame, the needling assembly comprises a needle plate beam, an input side main shaft and an output side main shaft, the input side main shaft is connected with an input side connecting rod, the output side main shaft is connected with an output side connecting rod, the input side connecting rod connected with the input side main shaft and the output side connecting rod connected with the output side main shaft are sequentially arranged in parallel, and the needle plate beam is provided with needle plate beam seats which are respectively in one-to-one correspondence with the input side connecting rod and the output side connecting rod which are arranged in parallel;
the method is characterized in that: an eccentric phase difference angle alpha exists between the input side main shaft and the output side main shaft, and a driving motor for driving the input side main shaft and the output side main shaft to rotate is installed on the rack;
the needle machine also comprises a needle plate beam seat swinging guide mechanism which is used for guiding the needle plate beam to generate horizontal swinging in the same direction with the material when the needle plate beam moves up and down.
Furthermore, the needle plate beam seat swing guide mechanism comprises swing rods, the number of the swing rods corresponds to that of the input side connecting rods and the output side connecting rods respectively, the swing rods are longitudinally arranged at the lower ends of the input side connecting rods and the output side connecting rods correspondingly, each swing rod is correspondingly provided with a swing rod seat installed on the rack, the swing rod seat is positioned at one side, far away from the input side connecting rods, of the lower ends of the output side connecting rods correspondingly, and the middle part of each swing rod is provided with a longitudinal sliding groove, one end of each longitudinal sliding groove is provided with an opening, and the longitudinal sliding groove penetrates through the corresponding swing rod;
the lower end of the input side connecting rod and one end of the needle plate beam seat are hinged into the opening end of the longitudinal sliding groove of the corresponding swing rod through a first pin shaft, one end, far away from the opening end of the longitudinal sliding groove, of the swing rod is hinged with the swing rod seat through a second pin shaft, and the lower end of the output side connecting rod can be arranged in the longitudinal sliding groove of the swing rod in a penetrating mode in a vertical sliding mode and can slide back and forth and is hinged with the other end of the needle plate beam seat and the corresponding swing rod through a fourth pin shaft.
Further, the faller beam seat swing guide mechanism comprises guide seats corresponding to the number of the output side connecting rods, the guide seats are installed in the frame and are arranged at the lower ends of the corresponding output side connecting rods, one side open-ended vertical guide groove is formed in each guide seat, the input side connecting rods are hinged to one ends of the faller beam seat, the other ends of the faller beam seat and the lower ends of the output side connecting rods are hinged to the vertical guide grooves of the guide seats through third hinge pins, rolling bearings are arranged at the two ends of each third hinge pin, sliding rails in sliding fit with the rolling bearings are arranged on the two side walls of the vertical guide grooves, and the faller beam seat and the lower ends of the output side connecting rods can be arranged in the vertical guide grooves in a vertically sliding mode through the third hinge pins.
Furthermore, an elliptical generating transmission mechanism for adjusting the phase difference angle alpha is further installed on the rack, the elliptical generating transmission mechanism comprises a transmission case, a first transmission shaft and a second transmission shaft which are arranged side by side are rotatably installed in the transmission case, a first gear is installed on the first transmission shaft in the transmission case, a second gear meshed with the first gear is installed on the second transmission shaft through an overrunning clutch, the output end of the first transmission shaft is connected with the input side spindle, the output end of the second transmission shaft is connected with the output side spindle, the input ends of the first transmission shaft and the second transmission shaft respectively extend out of the transmission case and are respectively connected with an electromagnetic clutch, and the input end of the first transmission shaft is simultaneously in transmission connection with a spindle driving motor;
the worm driving motor is characterized in that worm wheels are connected to electromagnetic clutch rotors on the first transmission shaft and the second transmission shaft respectively, and a worm meshed with the worm wheels on the electromagnetic clutches on the two sides and a worm driving motor driving the worm to rotate are further installed on the rack.
The pneumatic brake device is characterized in that a fixed support fixedly arranged is arranged between the electromagnetic clutch on the first transmission shaft and the second transmission shaft, an extending end-up cylinder is arranged on the outer side of the electromagnetic clutch, a brake band encircling an outer ring of an iron-absorbing disc corresponding to the electromagnetic clutch on the side is connected between the extending end of the cylinder and the fixed support, and a pneumatic brake device is formed between the cylinder and the brake band connected between the extending end of the cylinder and the fixed support.
The utility model has the beneficial effects that:
the motion trail of the needle tip of the puncture needle of the utility model is equal to or approximate to an ellipse. The major axis of the ellipse is the motion of the needle machine, and the minor axis of the ellipse is the horizontal swinging amount of the needle tip of the needle. Therefore, the needle machine is called an elliptical path needle machine. In the process of puncturing the needle by the needle and extracting the material by the needle machine with the elliptical track, because the needle has the horizontal motion in the same direction with the material, the relative displacement of the material and the needle in the conveying direction is nearly eliminated or greatly reduced, thereby obviously and effectively improving the apparent quality of a needled product.
Drawings
FIG. 1 is a front view of the first embodiment;
FIG. 2 is a side view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of a needle plate beam seat swing guide mechanism;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a front view of an elliptical locus generating drive mechanism;
FIG. 6 is a sectional view taken along line B-B of FIG. 5;
FIG. 7 is an elliptical trajectory generation diagram of the needle loom of the first embodiment;
FIG. 8 is a schematic structural view of a swing guide mechanism of a needle plate beam holder in the second embodiment;
FIG. 9 is a schematic view taken along line C-C of FIG. 8;
FIG. 10 is an elliptical trajectory generation diagram of the needle loom of the second embodiment.
Detailed Description
First embodiment
As shown in fig. 1-6, the needle plate bending machine comprises a frame 1, a needle punching assembly 2 and a needle plate beam seat swing guide mechanism 20 are installed in the frame 1, the needle punching assembly 2 comprises a needle plate beam 3, an input side spindle 4 and an output side spindle 5, a spindle driving motor 6 for driving the input side spindle 4 and the output side spindle 5 to rotate is installed on the frame 1, an eccentric phase difference angle α exists between the input side spindle 4 and the output side spindle 5, and the magnitude of α is generally 0-10 °.
An elliptic track generation transmission mechanism 7 for adjusting the phase difference angle alpha is connected between a main shaft driving motor 6 and an input side main shaft 4 and an output side main shaft 5, the elliptic track generation transmission mechanism 7 comprises a transmission case 8, a first transmission shaft 9 and a second transmission shaft 10 which are arranged side by side are rotatably installed in the transmission case 8, a first gear 11 is installed on the first transmission shaft 9 in the transmission case 8, a second gear 13 which is meshed with the first gear 11 is installed on the second transmission shaft 10 through an overrunning clutch 12, the output end of the first transmission shaft 9 is connected with the input side main shaft 4, the output end of the second transmission shaft 10 is connected with the output side main shaft 5, the input ends of the first transmission shaft 9 and the second transmission shaft 10 respectively extend out of the transmission case 8 and are respectively connected with an electromagnetic clutch 15, and the input end of the first transmission shaft 9 and the main shaft driving motor 6 are simultaneously connected through a belt, The belt pulley is in transmission connection.
The rotors of the electromagnetic clutches 15 on the first transmission shaft 9 and the second transmission shaft 10 are respectively connected with a worm wheel 16, the worm wheel 16 is controlled by the electromagnetic clutches 15 to be in transmission and separation with the first transmission shaft 9 and the second transmission shaft 10, the rack 1 is also provided with a worm 17 meshed with the worm wheels 16 on the electromagnetic clutches 15 on two sides and a worm driving motor 14 driving the worm 17 to rotate through a bearing seat 30, and the worm driving motor 14 is in transmission connection with the worm 17 through a chain wheel and a chain.
A fixed support 31 is fixedly arranged between the electromagnetic clutches 15 on the first transmission shaft 9 and the second transmission shaft 10, an air cylinder 32 with an upward extending end is arranged on the outer side of the electromagnetic clutch 15, a brake band 33 encircling the outer ring of the magnet disc of the electromagnetic clutch 15 on the corresponding side is connected between the extending end of the air cylinder 32 and the fixed support 31, and a pneumatic brake device is formed between the air cylinder 32 and the brake band 33 connected between the extending end of the air cylinder 32 and the fixed support 31.
The input side spindle 4 is connected with a row of input side connecting rods 18, the output side spindle 5 is connected with a row of output side connecting rods 19, the input side connecting rods 18 connected with the input side spindle 4 and the output side connecting rods 19 connected with the output side spindle 5 are sequentially arranged in parallel, and the needle plate beam 3 is provided with needle plate beam seats 35 which respectively correspond to the input side connecting rods 18 and the output side connecting rods 19 which are arranged in parallel one by one.
The needle plate beam seat swing guide mechanism 20 comprises swing rods 21 corresponding to the input side connecting rods 18 and the output side connecting rods 19 in number respectively, the swing rods 21 are longitudinally arranged at the lower ends of the corresponding input side connecting rods 18 and the corresponding output side connecting rods 19, each swing rod 21 is correspondingly provided with a swing rod seat 23 installed on the machine frame 1, the swing rod seat 23 is located at one side, far away from the input side connecting rods 18, of the lower ends of the corresponding output side connecting rods 19, and the middle of each swing rod 21 is provided with a longitudinal sliding groove 22, one end of each longitudinal sliding groove is open, and the longitudinal sliding groove 22 penetrates through the corresponding swing rod.
The lower end of the input side connecting rod 18 and one end of the needle plate beam seat 35 are hinged in the opening end of the longitudinal sliding groove 22 of the corresponding swing rod 21 through a first pin shaft 24, one end of the swing rod 21, which is far away from the opening end of the longitudinal sliding groove 22, is hinged with the swing rod seat 23 through a second pin shaft 34, and the lower end of the output side connecting rod 19 can be vertically and longitudinally slidably arranged in the longitudinal sliding groove 22 of the swing rod 21 and is hinged with the other end of the needle plate beam seat 35 and the corresponding swing rod 21 through a fourth pin shaft 36.
As shown in fig. 7, when the needle loom of this embodiment works, the needle plate beam 3 moves vertically and is constrained by the swing link 22, and there is horizontal movement and swing, the movement track of the needle point of the needle mounted on the needle plate beam 3 is similar to an ellipse, the horizontal movement amplitude of the needle point is mainly related to the phase difference angle α, and the α value can be adjusted steplessly by the elliptic track generation transmission mechanism 7.
Adjustment of the phase difference angle α value: the alpha angle is clockwise adjusted to be positive, and the elliptical short axis is increased along the horizontal axis; the alpha angle is adjusted to be negative counterclockwise and the elliptical minor axis decreases along the horizontal axis. If the positive adjustment is carried out, a pneumatic brake device corresponding to the electromagnetic clutch 15 on the first transmission shaft 9 works to tightly hold the electromagnetic clutch 15 arranged on the first transmission shaft 9 to limit the rotation of the first transmission shaft 9, meanwhile, the electromagnetic clutch 15 on the second transmission shaft 10 is closed, the worm drive motor 14 is started, and the worm drive motor is driven to rotate clockwise by the inner ring of the overrunning clutch 12 on the second transmission shaft 10.
If the rotation direction is adjusted reversely, the pneumatic brake device corresponding to the electromagnetic clutch 15 on the second transmission shaft 10 works to tightly hold the electromagnetic clutch 15 on the second transmission shaft 10, so as to limit the rotation of the second transmission shaft 10, the electromagnetic clutch 15 on the first transmission shaft 9 is closed, the worm drive motor 14 is started, and the worm directly passes through the outer rings of the first transmission shaft 9 and the second transmission shaft 10 and exceeds the clutch 12 to rotate anticlockwise. Positive adjustment is used for the additive adjustment of the alpha angle and negative adjustment is used for the subtractive adjustment of the alpha angle. The worm drive adopts servo control, can convert the alpha value into the length value of the horizontal axis of the ellipse, and displays the length value in a digital mode.
When the elliptic orbit needling machine works normally, the electromagnetic clutches 15 on the first transmission shaft 9 and the second transmission shaft 10 are in a power-off state, namely a release state, and the brake belt 33 of the pneumatic brake device is also in a release state. At this time, the two worm gears 16 are sleeved on the rotor corresponding to the electromagnetic clutch 15 through an empty sleeve, and the input side main shaft 4 and the output side main shaft 5 synchronously and relatively rotate according to the set eccentric phase difference, so that the needling component 2 is driven by the input side connecting rod 18 and the output side connecting rod 19 to realize needling work with elliptic track characteristics.
Second embodiment
As shown in fig. 8 and 9, the present embodiment is different from the first embodiment in that the needle plate beam swing guide mechanism includes guide seats 26 corresponding to the number of the output side links 25, the guide seats 26 are installed in the frame and provided at the lower ends of the corresponding output side links 25, a vertical guide groove 39 opened at one side is provided on the guide seat 26,
the input side connecting rod 38 is hinged with one end of the needle plate beam seat 37, the other end of the needle plate beam seat 37 and the lower end of the output side connecting rod 25 are hinged in a vertical guide groove 39 of the guide seat 26 through a third pin shaft 28, rolling bearings 29 are arranged at two ends of the third pin shaft, and sliding rails 27 in sliding fit with the rolling bearings 29 are arranged on two side walls of the vertical guide groove 39, so that the needle plate beam seat 37 and the lower end of the output side connecting rod 25 can be arranged in the vertical guide groove 39 in a vertical sliding mode through the third pin shaft 28.
As shown in fig. 10, when the needle loom of this embodiment is operating, the needle plate beam seat 37 moves vertically and is constrained by the guide seat 26 on the output side link 25, and also moves horizontally and swings, and the movement locus of the needle point of the needle plate mounted on the needle plate beam is approximately elliptical.
Claims (4)
1. The phase difference type elliptic orbit needling machine comprises a frame, wherein a needling assembly is arranged in the frame, the needling assembly comprises a needle plate beam, an input side main shaft and an output side main shaft, the input side main shaft is connected with an input side connecting rod, the output side main shaft is connected with an output side connecting rod, the input side connecting rod connected with the input side main shaft and the output side connecting rod connected with the output side main shaft are sequentially arranged in parallel, and the needle plate beam is provided with needle plate beam seats which are respectively in one-to-one correspondence with the input side connecting rod and the output side connecting rod which are arranged in parallel;
the method is characterized in that: an eccentric phase difference angle alpha exists between the input side main shaft and the output side main shaft, and a driving motor for driving the input side main shaft and the output side main shaft to rotate is installed on the rack;
the needle machine also comprises a needle plate beam seat swinging guide mechanism which is used for guiding the needle plate beam to generate horizontal swinging in the same direction with the material when the needle plate beam moves up and down.
2. The differential elliptical trajectory needling machine of claim 1, wherein: the needle plate beam seat swing guide mechanism comprises swing rods, the number of the swing rods corresponds to that of the input side connecting rods and the output side connecting rods respectively, the swing rods are longitudinally arranged at the lower ends of the input side connecting rods and the output side connecting rods, each swing rod is correspondingly provided with a swing rod seat arranged on the rack, the swing rod seats are positioned at one side, away from the input side connecting rods, of the lower ends of the corresponding output side connecting rods, and the middle parts of the swing rods are provided with longitudinal sliding grooves, one ends of the longitudinal sliding grooves are openings and penetrate through the swing rods;
the lower end of the input side connecting rod and one end of the needle plate beam seat are hinged into the opening end of the longitudinal sliding groove of the corresponding swing rod through a first pin shaft, one end, far away from the opening end of the longitudinal sliding groove, of the swing rod is hinged with the swing rod seat through a second pin shaft, and the lower end of the output side connecting rod can be arranged in the longitudinal sliding groove of the swing rod in a penetrating mode in a vertical sliding mode and can slide back and forth and is hinged with the other end of the needle plate beam seat and the corresponding swing rod through a fourth pin shaft.
3. The differential elliptical trajectory needling machine of claim 2, wherein: the needle plate beam seat swinging guide mechanism comprises guide seats corresponding to the number of the output side connecting rods, the guide seats are installed in the frame and are arranged at the lower ends of the corresponding output side connecting rods, one side open-ended vertical guide groove is formed in each guide seat, the input side connecting rods are hinged to one ends of the needle plate beam seats, the other ends of the needle plate beam seats and the lower ends of the output side connecting rods are hinged to the vertical guide grooves of the guide seats through third pin shafts, rolling bearings are arranged at the two ends of each third pin shaft, sliding rails in sliding fit with the rolling bearings are arranged on the two side walls of the vertical guide grooves, and the needle plate beam seats and the lower ends of the output side connecting rods can be arranged in the vertical guide grooves in a vertically sliding mode through the third pin shafts.
4. The differential elliptical trajectory needle loom of claim 2 or 3, wherein: the rack is also provided with an elliptical generating transmission mechanism for adjusting the phase difference angle alpha, the elliptical locus generating transmission mechanism comprises a transmission case, a first transmission shaft and a second transmission shaft which are arranged side by side are rotatably arranged in the transmission case, the first transmission shaft in the transmission case is provided with a first gear, the second transmission shaft is provided with a second gear meshed with the first gear through an overrunning clutch, the output end of the first transmission shaft is connected with the input side spindle, the output end of the second transmission shaft is connected with the output side spindle, the input ends of the first transmission shaft and the second transmission shaft respectively extend out of the transmission case and are respectively connected with an electromagnetic clutch, and the input end of the first transmission shaft is simultaneously in transmission connection with a spindle driving motor;
worm gears are respectively connected to the electromagnetic clutch rotors on the first transmission shaft and the second transmission shaft, and a worm meshed with the worm gears on the electromagnetic clutches on the two sides and a worm driving motor driving the worm to rotate are further mounted on the rack;
the pneumatic brake device is characterized in that a fixed support fixedly arranged is arranged between the electromagnetic clutch on the first transmission shaft and the second transmission shaft, an extending end-up cylinder is arranged on the outer side of the electromagnetic clutch, a brake band encircling an outer ring of an iron-absorbing disc corresponding to the electromagnetic clutch on the side is connected between the extending end of the cylinder and the fixed support, and a pneumatic brake device is formed between the cylinder and the brake band connected between the extending end of the cylinder and the fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121295781.3U CN215481621U (en) | 2021-06-10 | 2021-06-10 | Phase difference type elliptic orbit needling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121295781.3U CN215481621U (en) | 2021-06-10 | 2021-06-10 | Phase difference type elliptic orbit needling machine |
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| CN215481621U true CN215481621U (en) | 2022-01-11 |
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| CN202121295781.3U Active CN215481621U (en) | 2021-06-10 | 2021-06-10 | Phase difference type elliptic orbit needling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613225A (en) * | 2022-11-07 | 2023-01-17 | 山东江山纤维科技有限公司 | Improved numerical control needling machine |
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2021
- 2021-06-10 CN CN202121295781.3U patent/CN215481621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115613225A (en) * | 2022-11-07 | 2023-01-17 | 山东江山纤维科技有限公司 | Improved numerical control needling machine |
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