A method for positioning and clamping the cuff of a glove machine

Abstract

The application relates to the field of glove knitting machines, in particular to a glove knitting machine cuff positioning and clamping method. A grabbing part is driven to move between front and rear needle beds, and waits for the grabbing part to grab the gloves in the process of knitting. After the gloves are knitted, the grabbing part grabs the gloves through two arms capable of being opened and closed. After the gloves are grabbed, the gloves can be moved between the two arms through the rolling action of at least one arm. After the gloves are moved to a predetermined position through the rolling action of the two arms, the grabbing part performs subsequent actions. After the above scheme is adopted, the gloves can be positioned and clamped after being knitted, so that subsequent arrangement or turning over is facilitated.

Description

Technical Field

[0001] This invention relates to the field of glove machines, and specifically to a method for positioning and clamping the glove machine's slub opening. Background Technology

[0002] The basic structure of a traditional computerized glove machine is as follows: between the left and right bases, there are front and rear needle beds and corresponding front and rear knitting heads; the needle beds are equipped with movable combination knitting needles; the front and rear knitting heads move back and forth relative to the needle beds through a slide rail assembly; the side of the knitting head facing the needle bed is equipped with a triangular base plate, and various triangles are set on the triangular base plate. The needle heels of the combination knitting needles complete various knitting functions through the restriction and function of the triangles.

[0003] After the gloves are knitted, they fall downwards between the front and rear needle beds. To automate the sorting of these fallen gloves, the applicant has filed a series of prior patents related to automated glove sorting, such as "CN113604954B," which uses an automatic gripping device between the front and rear needle beds to neatly stack the gloves onto a receiving platform. Following this, the applicant filed another patent, "Automatic Binding System CN115593680A," which, in conjunction with "Pushing Device CN115384860A," achieves a fully automated process for glove production, sorting, and binding.

[0004] Furthermore, depending on the requirements, some gloves need to be turned inside out after knitting to facilitate subsequent labeling. Therefore, in "CN117107504A Glove Turning and Stacking Process", the applicant designed a process for automatically turning the gloves inside out before stacking and sorting. The technical solution involved requires positioning the cuff of the glove (i.e., the opening at the wrist of the glove) in order to insert the clamping expansion mechanism into the cuff of the glove.

[0005] Since the applicant disclosed its glove finishing technology, all gripping devices, including patents and products disclosed by peer companies, have adopted a two-arm opening and closing method. Due to the limitations of the glove machine needle bed, the gripping part of these two arms for the glove cuff is generally located near the palm of the wrist (the fingers are downward when the glove is knitted). The relatively soft nature of knitted gloves causes the glove cuff to be in a swinging state, which makes it difficult for the mechanism that grips and expands the cuff to position the glove cuff in one step when turning it over, thus affecting the glove turning efficiency.

[0006] Therefore, the inventors conducted further research and developed a glove machine grommets positioning and clamping method, which led to this invention. Summary of the Invention

[0007] The purpose of this invention is to provide a method for positioning and clamping the glove cuff after the glove is knitted, which can position and clamp the glove cuff after the glove is knitted, thereby facilitating subsequent finishing or turning.

[0008] To achieve the above objectives, the technical solution of the present invention is as follows:

[0009] A method for positioning and clamping the glove opening of a glove machine includes:

[0010] The drive unit moves between the front and rear needle beds, waiting for the gripper to grab the glove being knitted;

[0011] After the glove is knitted, the gripping unit grasps the glove with its two opening and closing arms. After grasping, the glove can be moved between the two arms by the rolling motion of at least one of the arms. Only after the glove has been moved to the predetermined position by the rolling motion of the two arms will the gripping unit perform subsequent actions.

[0012] In existing technology, once the gripper grasps the glove, the glove's position relative to the gripper remains unchanged until the gripper places the glove on the receiving platform. Therefore, it cannot accurately fix the position of the glove's cuff. The improved gripping method can meet both the needs of automatic sorting (more precise stacking, neater glove stacking) and the need for positioning the glove's cuff after flipping it over.

[0013] The predetermined position mentioned in the above scheme refers to the position of the glove opening no longer swaying back and forth after it approaches the two arms. However, if the subsequent action is to turn the gloves over, the opening cannot be completely clamped by the two arms, which causes the clamping expansion mechanism to be unable to operate the opening during the turning process.

[0014] Furthermore, the subsequent actions of the gripping unit are as follows: the moving gripping unit places the glove onto the receiving platform, the glove is positioned on the receiving platform by a pressing component, and then the gripping unit detaches from the glove; the gripping unit resets, ready to start the next cycle of actions.

[0015] The next step is to directly tidy up the surface without flipping it over.

[0016] Furthermore, the subsequent action of the gripping unit is as follows: the gripping unit, in cooperation with the clamping expansion mechanism, flips the glove over.

[0017] This subsequent action is coordinated with the flipping process, which is consistent with the one disclosed in "CN117107504A".

[0018] Furthermore, the rolling motion of the gripping part is achieved by rolling elements set on both arms. The rolling elements rotate or roll, causing the glove to rise and fall relative to the rolling elements.

[0019] Furthermore, the rolling element is a ball, roller, or shaft.

[0020] Here, "roller" refers to a cylindrical machine part that can roll, and bearings should also be considered a type of roller.

[0021] Furthermore, the roller or shaft is provided with several protrusions or ridges.

[0022] Raised or raised strips are used to increase the friction on the gloves, making it easier for rollers or shafts to lift and lower the gloves.

[0023] Furthermore, the rolling element is positioned laterally relative to the two arms and can roll the glove.

[0024] Here, "horizontal" refers to the direction along which the glove machine's needle bed is set (i.e., the direction in which the machine head runs). Due to the space limitations between the needle beds of the glove machine, the rolling parts cannot be set arbitrarily.

[0025] Furthermore, the two arms include a fixed arm and a movable arm, with the movable arm being driven by a motor to open and close relative to the fixed arm.

[0026] Furthermore, the rolling elements on the fixed arm are driven to rotate or roll by a motor, while the rolling elements on the movable arm are passively rotated or rolled.

[0027] When both the movable arm and the fixed arm are equipped with rolling elements, it is not necessary to set both rolling elements as driving elements.

[0028] Furthermore, the motor that drives the opening and closing of the movable arm and the motor that drives the rolling elements to rotate are the same motor.

[0029] Both can be driven by the same motor through a linkage mechanism.

[0030] By adopting the above solution, the present invention has the following advantages compared with the prior art:

[0031] The automatic glove gripping function achieves precise positioning of the glove cuff, which not only meets the needs of automatic sorting, but also meets the needs of positioning the cuff when turning the glove inside out, further enriching the automated production functions of gloves. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of a glove machine equipped with a clamping and expanding mechanism;

[0033] Figure 2 This is one of the schematic diagrams of the gripping unit after it is opened in the embodiment;

[0034] Figure 3 This is the second schematic diagram of the gripping unit after it is opened in the embodiment;

[0035] Figure 4 This is one of the schematic diagrams of the gripping part after it is closed in the embodiment;

[0036] Figure 5 This is the second schematic diagram of the gripping part after it is closed in the embodiment;

[0037] Label Explanation

[0038] Fixed arm 1, drive shaft 11, timing belt 12, movable arm 2, driven shaft 21, protrusion 22.

[0039] Motor 3, rocker arm 31, check pawl 32, tension spring 4, front needle bed 5, clamping and expanding mechanism 6

[0040] Platform 7. Detailed Implementation

[0041] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0042] A glove machine gripping and positioning method for the glove seam, applied to a computerized glove machine, wherein a gripping part is driven to move between the front and rear needle beds. Figure 1 Only the front needle bed 5 is shown, waiting for the gripping unit to grasp the glove during knitting. After the glove is knitted, the gripping unit grasps the glove through its opening and closing arms. After grasping, the rolling action of the rollers on the arms causes the glove cuff to descend relative to the arms. When the glove cuff descends to a predetermined position (this position can be preset according to actual needs), the gripping unit can choose to directly transport the glove to the receiving platform 7 for stacking and arranging, as disclosed in CN113604954B, or it can choose to cooperate with the clamping and expanding mechanism 6, as disclosed in CN117107504A, to first transfer the glove to the flipping mechanism for flipping, and then transport it to the receiving platform 7 for stacking and arranging. Subsequently, it will be automatically tied with the binding mechanism. The clamping and expanding mechanism includes at least two expanding members, which fix or expand the glove cuff by moving, swinging, or clamping.

[0043] The entire gripping unit itself can be driven by several drive sources to achieve its lifting and swinging, thereby giving it a relatively flexible movement capability. The movement of the gripping unit itself has been addressed by the prior art CN113604954B, which basically achieves lifting and swinging through one drive source and swinging through another drive source. It will not be described in detail here. This embodiment focuses on explaining how the two arms of the gripping unit achieve the rolling action.

[0044] like Figure 2 As shown, the gripping unit includes a fixed arm 1 and a movable arm 2. Both the fixed arm 1 and the movable arm 2 have a transverse roller at their ends. The roller has ridges and grooves spaced apart. The roller on the fixed arm 1 is a drive shaft 11. One end of the drive shaft 11 is linked to a motor 3 below via a synchronous belt 12. The drive shaft 11 rotates under the drive of the motor 3, while the passive shaft 21 rotates after the two arms are closed, driven by the drive shaft 11. In actual manufacturing, for convenience, the fixed arm can also be connected to a fixed plate, but functionally, these two should be considered as one unit.

[0045] Alternatively, a rolling element with rolling capability (such as several rollers or a similar device capable of rolling or rotating) can be set on the fixed arm 1, while an auxiliary transverse arm (even if it does not have rolling or rotating capability) can be set on the movable arm 2. The positioning of the glove cuff can be achieved by a single rolling element, but the positioning efficiency is slightly lower than that of two rolling elements.

[0046] Figure 2 A type of joint is also provided between the fixed arm 1 and the movable arm 2. Figure 3 The tension spring 4 shown is used to open the movable arm 2 via a motor 3 driving a rocker arm 31, which in turn moves the lower end of the movable arm 2. The movable arm 2 itself is pivotally connected to the fixed arm 1. The end of the rocker arm 31 is equipped with a ratchet-like anti-return pawl 32, and the lower end of the movable arm has a protrusion 22 (typically a bolt). Figure 3 Taking the angle as an example, the check pawl 32 is pivotally connected to the rocker arm and restricted by the rocker arm 31, allowing it to rotate to the left but not to the right. That is, when the check pawl 32 moves to the left, it pushes the movable arm 2 via the protrusion 22, causing the driven shaft 21 on the movable arm 2 to open relative to the driving shaft 11. When the check pawl 32 disengages from the movable arm 2, the movable arm 2, under the action of the tension spring 4, closes the driven shaft 21 with the driving shaft 11 (see reference). Figure 4 , Figure 5 When the check pawl 32 rotates to the right, it will not affect the movable arm 2.

[0047] The aforementioned use of the anti-return pawl 32 is because the opening and closing of the fixed arm 1 and the movable arm 2, as well as the rotation of the drive shaft 11, are all driven by the same motor 3. That is, if the drive shaft 11 and the driven shaft 21 need to pull the glove down, in order to... Figure 4 For example, the active shaft 11 rotates clockwise and the passive shaft 21 rotates counterclockwise, so that the glove between the two shafts is subjected to a downward pulling force. At this time, the movable arm 2 and the fixed arm 1 are in a closed state. The clockwise rotation of the swing rod 31 and the check pawl 32 will not affect the above action. The check pawl 32 itself can be kept in a relatively vertical state by a torsion spring.

[0048] Before grasping the glove, the movable arm 2 needs to be opened from the fixed arm 1. The swing arm 31 needs to act on the movable arm 2, therefore the check pawl 32 needs to be in a "force transmission" state, such as... Figure 3 As shown.

[0049] The main innovation of this invention is that, while having automatic sorting capabilities, the glove machine can accurately position the knitted glove cuffs, thereby making the automatic sorting of the gloves neater, or better cooperating with the turning mechanism to turn the gloves inside out.

[0050] Using the same motor 3 to drive the opening and closing of both arms and the rotation of the drive shaft 11 is a preferred technical solution based on the above-mentioned innovations. It is only a specific embodiment of the present invention. At the same time, all terms such as "upper," "lower," "left," "right," and "middle" involved in the present invention are for reference only and are not absolute limitations. Any non-substantial modifications made using the present invention shall be considered as infringing the scope of protection of the present invention.

Claims

1. A method for positioning and clamping the glove machine's sew-knitting mechanism, characterized in that, The drive unit moves between the front and rear needle beds, waiting for the gripper to grab the glove being knitted; After the glove is knitted, the gripping unit grasps the glove with its two opening and closing arms. After grasping, the glove can be moved between the two arms by the rolling motion of at least one of the arms. Only after the glove has been moved to the predetermined position by the rolling motion of the two arms will the gripping unit perform subsequent actions. The rolling motion of the gripping part is achieved by rolling elements set on both arms. The rolling elements rotate or roll, causing the glove to rise and fall relative to the rolling elements. The rolling element is arranged laterally relative to the two arms and can roll the glove, wherein the lateral direction is the direction of the machine head's movement.

2. A method for positioning and clamping the turn-up of a glove former according to claim 1, characterized in that: The subsequent actions of the gripping unit are as follows: the moving gripping unit places the glove onto the receiving platform, the glove is positioned on the receiving platform by a pressing component, and then the gripping unit detaches from the glove; the gripping unit resets and prepares for the next round of action cycle.

3. A method for positioning and clamping the turn-up of a glove former according to claim 1, characterized in that: The subsequent action of the gripping unit is as follows: the gripping unit, in cooperation with the clamping expansion mechanism, flips the glove over.

4. The glove machine cuff positioning and clamping method according to claim 1, characterized in that: The rolling element is a ball, roller, or shaft.

5. A method of positioning and clamping the turn-up of a glove former according to claim 4, characterised in that: The roller or roller shaft is provided with several protrusions or ridges.

6. A method of positioning and clamping the turn-up of a glove former according to claim 1, characterised in that: The two arms include a fixed arm and a movable arm, which are driven by a motor to open and close relative to the fixed arm.

7. A cuff positioning and clamping method for a glove machine according to claim 6, characterized in that: The rolling elements on the fixed arm are driven to rotate or roll by a motor, while the rolling elements on the movable arm are passively rotated or rolled.

8. A turn-up clamping method for a glove machine according to claim 7, characterized in that: The motor that drives the opening and closing of the movable arm and the motor that drives the rolling parts to rotate are the same motor.

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