CN215828988U - Gripping device for flat knitting machine - Google Patents
Gripping device for flat knitting machine Download PDFInfo
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- CN215828988U CN215828988U CN202121960138.8U CN202121960138U CN215828988U CN 215828988 U CN215828988 U CN 215828988U CN 202121960138 U CN202121960138 U CN 202121960138U CN 215828988 U CN215828988 U CN 215828988U
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- arm
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- clamping
- driving source
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Abstract
The utility model relates to the field of looms, in particular to a grabbing device for a flat knitting machine, which comprises: 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 grabbing part is arranged on the lifting rod, and the lifting rod is linked with the first driving source; the lifting rod is also linked with a second driving source, and the second driving source drives the lifting rod to swing. After the technical scheme is adopted, the woven fabric can be conveyed to the outside of the machine body to be stacked and finished, and the production efficiency and the packaging efficiency are improved.
Description
Technical Field
The utility model relates to the field of looms, in particular to a grabbing device 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 is low in sorting efficiency, so that the inventor further researches the gloves to develop a grabbing device for a flat knitting machine, and the scheme is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gripping device for a flat knitting machine, which can convey knitted fabrics to the outside of a machine body for stacking and finishing, and improves the production and packaging efficiency.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a gripping device for a flat knitting machine, which is arranged in a machine body and is relatively positioned below a front needle plate and a rear needle plate, comprises
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 grabbing part is arranged on the lifting rod, and the lifting rod is linked with the first driving source; the lifting rod is also linked with a second driving source, and the second driving source drives the lifting rod to swing.
Through the grabbing device that sets up in preceding, back faller below, can wait for the formation of fabric and press from both sides and get, press from both sides and get the back and descend along vertical direction to place the fabric through removing the upset and carry out automatic piling up on accepting the platform outside the organism.
Further, the first driving source is a lifting motor or an air cylinder.
When the lifting rod is linked with the lifting 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.
Further, the second driving source is a rotating motor, and the rotating 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.
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.
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 finishing 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.
After adopting the scheme, compared with the prior art, the utility model has the following advantages:
through creative design, the flat knitting machine or the glove knitting machine realizes automatic production from production knitting to automatic grabbing, stacking and arranging, improves production efficiency and reduces labor.
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 grabbing device for the flat knitting machine is arranged below the front needle plate and the rear needle plate and comprises a grabbing part 1, the grabbing part 1 comprises a movable arm 11 and a fixed arm 12, the movable arm 11 and the fixed arm 12 are both provided with transverse clamping arms 13, 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 11 is pivoted on the fixed arm 12, meanwhile, a torsional spring is arranged at the pivoting part, and when the movable arm 11 does not take up external force, the clamping arms 13 of the movable arm 11 and the clamping arms 13 of the fixed arm 12 are in a joint state through the torsional spring.
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 grabbing device can be matched with the swinging rod 7, the swinging rod 7 is linked with the swinging motor, the swinging rod 7 is relatively positioned above the bearing platform, and after the gloves are conveyed onto the bearing platform, the gloves are fixed through the swinging 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.
In the above embodiment, by measuring the length of the glove itself, the first position-limiting slide rail 2 is driven by the first position-limiting slide rail 2 and the second driving source, so that the first position-limiting slide rail 2 applies an 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 position-limiting slide rail 2, the acting force is cancelled, so that the grabbing part 1 clamps the palm of the glove, and the first roller 111 passes over and descends from the reverse side of the first position-limiting slide rail 2, through the inductive descending position of the sensor or the camera, and through the rotation of the second driving source, the glove knitting can be conveyed to the bearing platform, and under the action of the second position-limiting slide rail 3, the second roller 112 is lifted by the force, so that the clamping arm 13 of the movable arm 11 can be opened, and the glove is fixed on the pressing part of the finishing mechanism, is fixed on the bearing platform; 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 (7)
1. A gripping device for a flat knitting machine, which is provided in a machine body and is located relatively below a front needle plate and a rear needle plate, comprising:
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 grabbing part is arranged on the lifting rod, and the lifting rod is linked with the first driving source; the lifting rod is also linked with a second driving source, and the second driving source drives the lifting rod to swing.
2. A grasping apparatus for a flat knitting machine according to claim 1, characterized in that: the first driving source is a lifting motor or an air cylinder.
3. A grasping apparatus for a flat knitting machine according to claim 1, characterized in that: the second driving source is a rotating motor, and the rotating 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. A grasping apparatus 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.
5. The grasping apparatus for a flat knitting machine according to claim 4, 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 when the movable arm does not take an 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.
6. A grasping apparatus for a flat knitting machine according to claim 5, 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.
7. A grasping apparatus for a flat knitting machine according to claim 6, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121960138.8U CN215828988U (en) | 2021-08-20 | 2021-08-20 | Gripping device for flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121960138.8U CN215828988U (en) | 2021-08-20 | 2021-08-20 | Gripping device for flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215828988U true CN215828988U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121960138.8U Active CN215828988U (en) | 2021-08-20 | 2021-08-20 | Gripping device for flat knitting machine |
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| Country | Link |
|---|---|
| CN (1) | CN215828988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671069A (en) * | 2022-04-24 | 2022-06-28 | 佛山市南海大欣针织业有限公司 | Glove arranging mechanism |
-
2021
- 2021-08-20 CN CN202121960138.8U patent/CN215828988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114671069A (en) * | 2022-04-24 | 2022-06-28 | 佛山市南海大欣针织业有限公司 | Glove arranging mechanism |
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