CN215828987U - Automatic arranging system for flat knitting machine - Google Patents
Automatic arranging system for flat knitting machine Download PDFInfo
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- CN215828987U CN215828987U CN202121959994.1U CN202121959994U CN215828987U CN 215828987 U CN215828987 U CN 215828987U CN 202121959994 U CN202121959994 U CN 202121959994U CN 215828987 U CN215828987 U CN 215828987U
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Abstract
The utility model relates to the field of looms, in particular to an automatic arrangement system for a flat knitting machine, which comprises: the grabbing device is arranged below the front needle plate and the rear needle plate, a grabbing part of the grabbing device is used for grabbing the fabric, the grabbing part is driven by the first driving source to lift up and down, and meanwhile, the grabbed fabric is sent out of the machine body by the driving of the second driving source; the bearing platform is used for bearing the fabric sent out by the grabbing part; and the positioning mechanism fixes the fabric on the bearing platform through the pressing part. After the scheme is adopted, the woven fabric can be automatically arranged and stacked, so that the production efficiency is improved.
Description
Technical Field
The utility model relates to the field of looms, in particular to an automatic finishing system for a flat knitting machine.
Background
With the development of technology, more and more knitted fabrics can be knitted by a circular knitting machine, a flat knitting machine, or the like, which is controlled by a computer.
The flat knitting machine herein refers to a knitting machine such as a weft knitting machine controlled by a computer, and a glove knitting machine which performs knitting by a flat knitting machine method.
Taking knitted gloves as an example, the knitted gloves can be knitted by a flat knitting machine or a glove knitting machine specially used for knitting the gloves, after the knitted gloves are knitted, a channel is arranged on the side face of a machine body of the flat knitting machine or the glove knitting machine, the common collection mode is that the gloves are formed between a front needle plate and a rear needle plate (if a needle selection roller is arranged below the corresponding needle plate), then the gloves freely fall from the channel and enter a collection basket outside the machine body, and then the gloves are manually sorted, collected and packed, refer to a flat knitting machine-CN 201910132505.6 of the applicant's prior patent application, and the attached figure 12 of the specification.
In the production mode, the gloves are collected and sorted by extra personnel, which wastes labor and has low sorting efficiency, so that the inventor further researches the gloves to develop an automatic sorting system for a flat knitting machine, and the scheme is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic finishing system for a flat knitting machine, which can automatically finish and stack woven fabrics so as to improve the production efficiency.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
an automated collating system for a flat knitting machine comprising:
the grabbing device is arranged below the front needle plate and the rear needle plate, a grabbing part of the grabbing device is used for grabbing the fabric, the grabbing part is driven by the first driving source to lift up and down, and meanwhile, the grabbed fabric is sent out of the machine body by the driving of the second driving source;
the bearing platform is used for bearing the fabric sent out by the grabbing part;
and the positioning mechanism is arranged on the side edge of the bearing platform and is used for positioning the fabric through the pressing part.
The existing common flat knitting machine or glove knitting machine is of a double-needle bed structure, and the fabric knitted each time is formed from the same position between the two needle beds, so that a grabbing device is arranged below a front needle plate and a rear needle plate, the fabric can wait for forming and clamping the fabric at the same position, the fabric descends between needle selecting rollers below the front needle plate and the rear needle plate after being clamped, and the fabric is placed on a bearing platform through moving and overturning; due to the nature of the fabric, a positioning mechanism is required to assist in fixing the fabric, so that the fabric is prevented from being skewed when the grabbing part is withdrawn; the technical features necessary to achieve the object of the present invention have been fully disclosed, and the technical solution is further described below.
Furthermore, the grabbing part is a pneumatic clamping jaw or a mechanical arm, and the opening and closing of the pneumatic clamping jaw or the mechanical arm are controlled through an electric control system.
Pneumatic jaws or manipulators are well established and close the gripping part to secure the fabric as it is raised to the fabric weaving site.
Further, the grabbing device comprises a grabbing part, the grabbing part is arranged on a lifting rod, the lifting rod is linked with a first driving source, and the first driving source is a motor or an air cylinder; the second driving source is linked with the lifting rod and drives the lifting rod to swing; the second driving source is a motor, and the motor drives the lifting rod to swing through a gear set, so that the grabbing part can move to the outer side of the machine body.
When the lifting rod is linked with the motor, a common gear rack or a common screw rod can be used as a lifting structure; when the first driving source is a cylinder, a piston rod can be adopted to push the first driving source to lift.
In the action of the second driving source, if the lifting rod is directly driven by the motor shaft to swing, the torque of the lifting rod is small, so that the output torque needs to be amplified through the gear set, and the lifting rod is conveniently driven to swing.
Further, when the grabbing part is driven by the first driving source to ascend and descend, the descending position of the grabbed fabric is positioned through a detection sensing device, wherein the detection sensing device is a sensor or a camera.
Because the descending height of the gloves needs to be consistent when descending each time, the gloves are not only prevented from being blocked by the front needle plate and the rear needle plate or the needle selection roller, but also are ensured to be placed on the same position on the bearing platform, therefore, the descending position of the fabrics is measured by a detection induction device (such as a photoelectric sensor, a camera, a travel switch and the like), or the descending height of the fabrics is positioned by the travel switch and the like.
Furthermore, the grabbing part comprises a clamping arm, a movable arm and a fixed arm, the fixed arm is fixedly connected with the lifting rod, the movable arm can be opened and closed relative to the fixed arm, the movable arm and the fixed arm are all provided with transverse clamping arms, and the two clamping arms are opened and closed relatively to clamp or loosen the fabric by controlling the movable arm.
The structure of common clamp tools can be referred to, and only because the gripping device needs to be connected with the lifting rod, the opening and closing are mainly controlled by the movable arm instead of the two arms.
Furthermore, the movable arm is in a V-shaped structure, a bending part in the middle of the movable arm is pivoted on the fixed arm, and meanwhile, a torsional spring is arranged at the pivoting part, so that when the movable arm does not receive external force, the clamping arm of the movable arm is attached to the clamping arm of the fixed arm; when the tail end of the movable arm is acted by external force, the clamping arm of the movable arm and the clamping arm of the fixed arm are opened.
The external force acting on the movable arm can be realized by electric control or a pure mechanical structure, so that the movable arm is in an open state before clamping the fabric.
Furthermore, a first vertical limiting slide rail is arranged below the front needle plate and the rear needle plate, a second limiting slide rail extending out of the machine body is arranged above the bearing platform, a first roller is arranged at one end of the movable arm far away from the grabbing part, and a second roller is arranged at one end of the movable arm close to the grabbing part; when the first roller wheel slides along the front face of the first limit sliding rail, the clamping arm of the movable arm and the clamping arm of the fixed arm are in an open state, and when the first roller wheel is separated from the first limit sliding rail or passes over the upper end of the first limit sliding rail, the clamping arm of the movable arm and the clamping arm of the fixed arm are in a closed state; when the grabbing part moves to the upper part of the bearing platform, the second roller slides above the second limiting slide rail, so that the clamping arm of the movable arm and the clamping arm of the fixed arm are gradually opened.
The fabric length measurement and calculation can be preferably carried out by using the first limiting slide rail and the second driving source to drive the first limiting slide rail to apply acting force to the movable arm and open the clamping arm of the movable arm relative to the fixed arm, when the grabbing part is conveyed to the fabric knitting position by the lifting rod, the first roller is separated from the first limiting slide rail and goes over the first limiting slide rail, the acting force is cancelled, the grabbing part clamps the fabric, the first roller descends from the reverse side of the first limiting slide rail and rotates by the second driving source, so that the fabric can be conveyed to the bearing platform, and under the action of the second limiting slide rail, the second roller is stressed, so that the clamping arm of the movable arm is opened, and the fabric is fixed on the bearing platform by the pressing part of the positioning mechanism; the front face of the first limiting slide rail is the side facing the bearing platform.
Furthermore, the upper end of the first limiting slide rail is provided with a bending part, and when the first roller at the tail end of the movable arm is positioned at the bending part, the clamping arm of the movable arm and the clamping arm of the fixed arm are in a closed state.
Before clamping the fabric, the fabric in weaving may not be very flat, so when the first roller of the movable arm is in a bending part, the grabbing part is in a clamping state on the fabric, when the first roller does not cross the top of the first limiting slide rail but selectively descends along the original path, two clamping arms of the grabbing part perform a smoothing action on the fabric, and subsequent stacking and finishing are facilitated.
Furthermore, the pressing part of the positioning mechanism is a swing rod, the swing rod is linked with the swing motor, the swing rod is relatively positioned above the bearing platform, and the fabric is positioned on the bearing platform when the swing rod swings outwards towards the machine body. After the fabric is transported to the receiving platform, the fabric is fixed by the swinging rod.
Further, the receiving platform comprises a conveying belt, and a lifting mechanism is arranged below the conveying belt.
With the increase of the fabric stack, the height of the bearing platform can be adjusted by the lifting mechanism, and the stacked fabric can be conveyed away by the conveying belt.
After adopting the scheme, compared with the prior art, the utility model has the following advantages:
through creative design, the automatic production from production weaving to stacking, arranging and conveying of the flat knitting machine or the glove knitting machine is realized, the production efficiency is improved, and the labor is reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the gripper section when it is raised;
FIG. 3 is one of the schematic views showing the grip portion being turned outside the machine body;
FIG. 4 is a second schematic view of the grip portion being flipped outside the body;
FIG. 5 is a partial schematic view of FIG. 2;
description of the reference symbols
The grasping portion 1, the movable arm 11, the first roller 111, the second roller 112,
a fixed arm 12, a holding arm 13,
a first limit slide rail 2, a bending part 21, a second limit slide rail 3,
a lifting rod 4, a lifting motor 5, a rotating motor 6, a swinging rod 7 and a conveyer belt 8,
a needle selection roller 9.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
Taking the manufacturing of gloves as an example, in the knitting process, the needle bed firstly performs the knitting of fingers, then performs the knitting of a palm, and finally performs the closing of the palm, and the fingers of the gloves are downward in the knitting process and freely fall between two needle selecting rollers 9 below a front needle plate and a back needle plate.
After the technical scheme of the utility model is added in the process, as shown in the figure, the automatic arrangement system for the flat knitting machine comprises a grabbing device arranged below a front needle plate and a rear needle plate, wherein the grabbing device comprises a grabbing part 1, the grabbing part 1 comprises a movable arm 11 and a fixed arm 12, transverse clamping arms 13 are arranged on the movable arm 11 and the fixed arm 12, the fixed arm 12 is fixedly connected with a lifting rod 4, the movable arm 11 is in a 'dogleg' structure, a bending part in the middle of the movable arm is pivoted on the fixed arm 12, meanwhile, a torsion spring is arranged at the pivoting part, and when the movable arm 11 does not receive external force, the clamping arms 13 of the movable arm 11 and the clamping arms 13 of the fixed arm 12 are in a fit state.
The lifting rod 4 is of a rack structure and is linked with a lifting motor 5 serving as a first driving source through a gear, and the whole grabbing part 1 is driven to lift through linkage between the gear and the rack.
The lifting rod 4 is also linked with a rotating motor 6 as a second driving source through a gear set, the lifting rod 4 and the grabbing part 1 are driven to swing together through the rotation of the rotating motor 6, and the swinging direction is from the bearing platform to the needle selection roller 9, so that the grabbing part 1 can move to the outer side of the machine body.
When either end of the movable arm 11 is subjected to a force of being lifted or pressed by an external force, the holding arm 13 of the movable arm 11 and the holding arm 13 of the fixed arm 12 are opened. Specifically, a vertical first limiting slide rail 2 is arranged below the front needle plate and the rear needle plate, a second limiting slide rail 3 extending out of the machine body is arranged above the bearing platform, a first roller 111 is arranged at one end of the movable arm 11 far away from the grabbing part 1, and a second roller 112 is arranged at one end of the movable arm 11 close to the grabbing part 1; when the first roller 111 slides along the front surface of the first limit slide rail 2, the clamping arm 13 of the movable arm 11 and the clamping arm 13 of the fixed arm 12 are in an open state, and when the first roller 111 is separated from the first limit slide rail 2 or passes over the upper end of the first limit slide rail 2, the clamping arm 13 of the movable arm 11 and the clamping arm 13 of the fixed arm 12 are in a closed state; when the grabbing part 1 moves above the bearing platform, the second roller 112 slides above the second limiting slide rail 3, so that the clamping arm 13 of the movable arm 11 and the clamping arm 13 of the fixed arm 12 are gradually opened.
In the above-described operation, the raising and lowering of the grasping portion 1 is realized by the first drive source, and the swinging of the grasping portion 1 is realized by the second drive source.
The pressing part of the positioning mechanism is an L-shaped swing rod 7, the swing rod 7 is linked with a swing motor, the swing rod 7 is relatively positioned above the bearing platform, and after the gloves are conveyed to the bearing platform, the gloves are fixed through the swing rod 7.
Accept the platform and include conveyer belt 8, be provided with elevating system below the conveyer belt 8, elevating system's connecting rod is the X structure to through the cooperation of motor with the lead screw, change the connecting rod height of X type, thereby change the relative height of conveyer belt 8, along with the increase that gloves were piled up, elevating system is adjustable to accept the height of platform, and conveyer belt 8 can send away the gloves that have piled up.
The length of the glove is measured and taken as a reference for forming a control path by a program, an infrared sensor is arranged at the position where the glove descends, the descending position of the glove is judged, the first limit slide rail 2 and a second driving source are driven, the first limit slide rail 2 applies acting force to the movable arm 11, the clamping arm 13 of the movable arm 11 is opened relative to the fixed arm 12, when the lifting rod 4 sends the grabbing part 1 to the glove knitting position, the first roller 111 is separated from and passes over the first limit slide rail 2, the acting force is cancelled, the grabbing part 1 clamps the palm of the glove, the first roller 111 passes over and descends from the reverse side of the first limit slide rail 2, when the glove descends, the glove is detected in place by the sensor or the camera, then the second driving source rotates, so that the glove knitting can be conveyed to the bearing platform, and under the action of the second limit slide rail 3, the second roller 112 is forced to lift, the clamping arm 13 of the movable arm 11 can be opened, and the glove is fixed on the bearing platform by the pressing part of the positioning mechanism; the front side of the first stop rail 2 is here the side thereof facing the receiving platform.
Preferably, the upper end of the first stopper rail 2 is provided with a bent portion 21, and when the first roller 111 at the rear end of the movable arm 11 is located at the bent portion 21, the holding arm 13 of the movable arm 11 and the holding arm 13 of the fixed arm 12 are in a closed state (refer to fig. 5).
Before the gloves are clamped, the gloves during weaving are possibly not very flat, so when the first roller 111 of the movable arm 11 is positioned at the bending part 21, the grabbing part 1 is in a glove clamping state, when the first roller 111 does not cross the top of the first limiting slide rail 2 and is selected to descend to the original way, the two clamping arms 13 of the grabbing part 1 perform a flattening action on the gloves, and subsequent stacking and sorting are facilitated.
The above description is only an embodiment of the present invention, and all the terms such as "upper", "lower", "left", "right", "middle", etc. in the present invention are used as reference and not absolutely limited, and all the insubstantial modifications made by the present invention shall fall within the scope of infringing the present invention.
Claims (10)
1. An automated collating system for a flat knitting machine comprising:
the grabbing device is arranged below the front needle plate and the rear needle plate, a grabbing part of the grabbing device is used for grabbing the fabric, the grabbing part is driven by the first driving source to lift up and down, and meanwhile, the grabbed fabric is sent out of the machine body by the driving of the second driving source;
the bearing platform is used for bearing the fabric sent out by the grabbing part;
and the positioning mechanism is arranged on the side edge of the bearing platform and is used for positioning the fabric through the pressing part.
2. An automatic collating system for a flat knitting machine according to claim 1, characterized in that: the grabbing part is a pneumatic clamping jaw or a mechanical arm, and the opening and closing of the pneumatic clamping jaw or the mechanical arm are controlled through an electric control system.
3. An automatic collating system for a flat knitting machine according to claim 1, characterized in that: the grabbing part is arranged on a lifting rod, the lifting rod is linked with a first driving source, and the first driving source is a motor or an air cylinder; the second driving source is linked with the lifting rod and drives the lifting rod to swing; the second driving source is a motor, and the motor drives the lifting rod to swing through a gear set, so that the grabbing part can move to the outer side of the machine body.
4. An automatic collating system for a flat knitting machine according to claim 1, characterized in that: when the grabbing part is driven to ascend and descend by the first driving source, the descending position of the grabbed fabric is positioned by the detection sensing device, wherein the detection sensing device is a sensor or a camera.
5. An automatic collating system for a flat knitting machine according to claim 1, characterized in that: the grabbing part comprises a clamping arm, a movable arm and a fixed arm, the fixed arm is fixedly connected with the lifting rod, the movable arm can be opened and closed relative to the fixed arm, the movable arm and the fixed arm are all provided with transverse clamping arms, and the two clamping arms are opened and closed relatively to clamp or loosen the fabric through controlling the movable arm.
6. An automatic collating system for a flat knitting machine according to claim 5, characterized in that: the movable arm is in a V-shaped structure, a bending part in the middle of the movable arm is pivoted on the fixed arm, and meanwhile, a torsional spring is arranged at the pivoting part, so that the clamping arm of the movable arm is attached to the clamping arm of the fixed arm when the movable arm is not acted by external force; when the tail end of the movable arm is acted by external force, the clamping arm of the movable arm and the clamping arm of the fixed arm are opened.
7. An automatic collating system for a flat knitting machine according to claim 6, characterized in that: a first vertical limiting slide rail is arranged below the front needle plate and the rear needle plate, a second limiting slide rail extending out of the machine body is arranged above the bearing platform, a first roller is arranged at one end of the movable arm far away from the grabbing part, and a second roller is arranged at one end of the movable arm close to the grabbing part; when the first roller wheel slides along the front face of the first limit sliding rail, the clamping arm of the movable arm and the clamping arm of the fixed arm are in an open state, and when the first roller wheel is separated from the first limit sliding rail or passes over the upper end of the first limit sliding rail, the clamping arm of the movable arm and the clamping arm of the fixed arm are in a closed state; when the grabbing part moves to the upper part of the bearing platform, the second roller slides above the second limiting slide rail, so that the clamping arm of the movable arm and the clamping arm of the fixed arm are gradually opened.
8. An automatic collating system for a flat knitting machine according to claim 5, characterized in that: the upper end of the first limiting slide rail is provided with a bending part, and when the first idler wheel at the tail end of the movable arm is positioned at the bending part, the clamping arm of the movable arm and the clamping arm of the fixed arm are in a closed state.
9. An automatic collating system for a flat knitting machine according to claim 1, characterized in that: the pressing part of the positioning mechanism is a swinging rod which is linked with a swinging motor, the swinging rod is relatively positioned above the bearing platform, and the swinging rod positions the fabric on the bearing platform when swinging outwards.
10. An automatic collating system for a flat knitting machine according to claim 1, characterized in that: the bearing platform comprises a conveying belt, and a lifting mechanism is arranged below the conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121959994.1U CN215828987U (en) | 2021-08-20 | 2021-08-20 | Automatic arranging system for flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121959994.1U CN215828987U (en) | 2021-08-20 | 2021-08-20 | Automatic arranging system for flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215828987U true CN215828987U (en) | 2022-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121959994.1U Active CN215828987U (en) | 2021-08-20 | 2021-08-20 | Automatic arranging system for flat knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215828987U (en) |
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2021
- 2021-08-20 CN CN202121959994.1U patent/CN215828987U/en active Active
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