CN113463261A

CN113463261A - Automatic non-interval yarn bottom lifting device of computerized flat knitting machine

Info

Publication number: CN113463261A
Application number: CN202110927724.0A
Authority: CN
Inventors: 应有顺
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-10-01
Anticipated expiration: 2041-08-13
Also published as: CN113463261B

Abstract

The invention discloses an automatic non-interval yarn bottom lifting plate device of a computerized flat knitting machine, which comprises a frame, a bottom lifting plate, a lifting mechanism, a control motor and a steel wire drawing and feeding mechanism, wherein the frame is provided with two frame plates, the lifting mechanism is provided with a left lifting assembly and a right lifting assembly, the control motor is in transmission connection with the lifting mechanism, the lifting mechanism is connected with a horizontal displacement mechanism, the horizontal displacement mechanism is in connection fit with the end part of the bottom lifting plate, and the bottom lifting plate is pushed to do horizontal internal and external displacement actions in the lifting direction of the lifting mechanism in a matching manner. According to the invention, the horizontal displacement mechanism is additionally arranged on the basis of the existing bottom plate lifting device, so that the bottom plate lifting device has the function of performing horizontal internal and external displacement in the lifting process, the bottom plate lifting device is enabled to reach the bottom in the downward displacement process to realize inward displacement relative to the bottom bin of the computerized flat knitting machine, the bottom bin space at the vertical lower end of the roller device is effectively vacant, the problem of hooking blockage is perfectly solved by fabric blanking, and the reserved space is extremely convenient for detection and maintenance by maintainers.

Description

Automatic non-interval yarn bottom lifting device of computerized flat knitting machine

Technical Field

The invention relates to the technical field of computerized flat knitting machines, in particular to an automatic non-interval yarn bottom lifting device of a computerized flat knitting machine.

Background

The flat knitting machine is an automatic machine with high technical content in the knitting machine industry, and integrates the technologies of computer digital control, electronic driving, mechanical design and the like. The flat knitting machine needs to start the bottom before weaving the weaving piece, and pulls the bottom fabric to continue subsequent weaving after the bottom start is finished. In order to reduce the waste of the raising fabric, the fabric piece is generally raised by a raising plate device at present.

At present, a bottom plate lifting device of a computerized flat knitting machine is mainly used for driving a bottom plate to lift at the bottom by a belt pulley lifting device which is vertically displaced, and after the bottom plate is moved downwards, a fabric is easy to hook on a needle part at the top end of the bottom plate after being separated from a roller to influence a sensor to identify and generate a machine fault alarm, so that the prior art adopts a mode of obliquely arranging a blanking plate cover and covering the upper end of the bottom plate to avoid hooking, but under the condition of wet dry and cold weather, the blanking plate has an electrostatic or wet state, and the problem that the fabric is adhered to the blanking plate and can not fall off is increased on the contrary, the machine fault alarm condition is increased; in addition, the rollers in the computerized flat knitting machine often need to be overhauled due to abrasion and clamping stagnation faults of the roller belt materials, and most of the main body of the whole bottom lifting plate device is vertically arranged at the lower end of the roller, so that the sight and the working space of operators are blocked, and the overhauling is very inconvenient.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides an automatic non-interval yarn bottom lifting plate device of a computerized flat knitting machine, which can effectively avoid the hooking of fabrics and effectively reserve the maintenance space at the bottom end of a roller.

In order to achieve the aim, the invention provides a technical scheme of an automatic non-interval yarn bottom lifting plate device of a computerized flat knitting machine, which comprises the following steps: an automatic interval-free yarn lifting bottom plate device of a computerized flat knitting machine comprises a frame, a lifting bottom plate, a lifting mechanism, a control motor and a steel wire drawing and conveying mechanism, wherein the frame is provided with two frame plates which are vertically arranged on the left side and the right side respectively; the mode that sets up horizontal displacement mechanism for the inside and outside displacement of horizontal direction can be done to the end needle board, with the inside skew in the whole computerized flat knitting machine bottom storehouse of end needle board, thereby effectively vacate the vertical lower extreme position of roller device, make the fabric blanking avoid the hook to block the condition, and effectively vacate the very big convenient maintainer of maintenance space and detect the maintenance.

As a further scheme: the horizontal displacement mechanism is respectively provided with two groups of horizontal displacement assemblies which are butted with the left group of lifting assemblies and the right group of lifting assemblies and are fixedly connected with the two ends of the bottom lifting needle plate, guide tracks are arranged on the end surfaces of the two frame plates, and the displacement ends of the horizontal displacement assemblies corresponding to the frame plate ends are connected and guided in the guide tracks and are used for driving the bottom lifting needle plate to move along the setting track of the guide tracks; through setting up the guide rail, guide horizontal displacement mechanism and elevating system through the orbit of guide rail and realize the controllability of bottom lift faller displacement.

As a further scheme: the horizontal displacement assembly comprises a horizontal linear track strip, a lifting connecting block and a guide connecting rod, the lifting connecting block is in butt joint with a lifting displacement action end of the lifting mechanism, a horizontal sliding groove is formed in the middle of the lifting connecting block and is matched with the horizontal linear track strip to guide the horizontal linear track strip to perform horizontal internal and external displacement actions, and the guide connecting rod is arranged on the horizontal linear track strip and extends into the guide track corresponding to the position of the guide track to form guide matching; the horizontal displacement assembly is in butt joint with a lifting displacement action end of the lifting mechanism, can drive the bottom lifting needle plate to lift up and down along with the lifting mechanism, and then realizes the preset horizontal displacement action through the track setting of the guide track, thereby realizing the effective retention of the bottom bin space of the computerized flat knitting machine.

As a further scheme: the guide rail is a long strip-shaped kidney-shaped groove and comprises an upper end vertical displacement groove part and a lower end horizontal displacement groove part, the lower end horizontal displacement groove part is obliquely arranged along the bottom end of the upper end vertical displacement groove part from outside to inside to form a bevel, and a rolling bearing is arranged on the extending end of the guide connecting rod and is butted with the end face of a groove hole in the guide rail; wherein the setting up of the vertical displacement slot part of upper end makes the upper and lower displacement that can match elevating system drive the bottom needle board in unison and is in the same with normal elevating condition in the displacement interval that upwards passes through between two rollers to reach the faller position, and the setting up of lower extreme horizontal displacement slot part makes the bottom needle board after the displacement targets in place, and the drawing return stroke of drawing and sending steel wire mechanism, then the bottom needle board realizes carrying out the displacement of slant inwards to the computerized flat knitting machine bottom bin inboard by elevating system and horizontal displacement mechanism combination again.

As a further scheme: a wire pushing plate is arranged on the end face of one side of the bottom lifting needle plate in a close proximity mode, two ends of the wire pushing plate are connected with a horizontal displacement mechanism in a matched mode to keep a gap between the wire pushing plate and the end face of the bottom lifting needle plate, and the lower end of the wire pushing plate is further connected with a limiting ejector rod mechanism for limiting the wire pushing plate when the bottom lifting needle plate moves downwards; the bottom lifting needle plate still has the condition of colluding the drawn wire line in the process of drawing downwards, and it is spacing to set up the line push plate at bottom lifting needle plate displacement in-process downwards, and the silk thread that colludes the drawing is deviate from bottom lifting needle plate by dull and stereotyped line push plate.

As a further scheme: spacing ejector pin mechanism includes gag lever post, connecting block and limit baffle, the gag lever post sets up to the stock of vertical direction, and its upper end links to each other with the push-off plate end fixing, and the overhead connection of lower extreme is equipped with antifriction bearing, the frame plate is served and is equipped with the limit baffle cooperation and sets up in the antifriction bearing lower extreme, the connecting block with dock in horizontal displacement subassembly upper end, the guide through-hole that supplies the vertical displacement of gag lever post is seted up at the middle part, the gag lever post cup joints on the connecting hole to realize that the gag lever post plays the faller and moves downwards along with the elevating system action and realize vertical separation with the push-off plate under antifriction bearing and limit baffle butt state.

As a further scheme: the lifting mechanism comprises a left lifting assembly, a right lifting assembly and a synchronous rotating shaft for driving the two lifting assemblies to synchronously act, the lifting assemblies comprise a plurality of connecting guide blocks, a connecting fixing plate, a linear displacement slider and a vertical rack, a vertical guide rail groove is formed in the middle of each connecting guide block and matched with a guide device, the linear displacement slider is arranged in the vertical guide rail groove in a butt joint mode, the outer side end of each linear displacement slider is fixedly butted with the vertical rack through the connecting fixing plate, transmission gears are arranged on two sides of each synchronous rotating shaft respectively and are matched with the vertical rack teeth of the two lifting assemblies respectively, a driving gear is further arranged on each synchronous rotating shaft and is matched and butted with a power gear on an output shaft of a control motor, and the power gear is driven by the control motor and forms power transmission with the driving gear; through setting up the lifting unit who adopts rack and gear complex transmission to correspond synchronous connection by synchronous pivot with two lifting unit, thereby realize that the lifting unit of a control motor stable control both sides drives bottom lifting needle board lift and horizontal displacement in step.

As a further scheme: the steel wire drawing and feeding mechanism comprises a wire drawing and feeding motor, a steel wire drawing and feeding wire and a wire drawing and feeding motor base, the wire drawing and feeding motor base is fixedly connected with the horizontal linear track strip, the wire drawing and feeding motor is fixedly connected to the wire drawing and feeding motor base and used for driving the steel wire drawing and feeding to move corresponding to the bottom needle plate, and a wire drawing and feeding sensor is arranged on the wire drawing and feeding motor in a butt joint mode; because the steel wire drawing and feeding mechanism needs to keep a corresponding action state with the bottom lifting needle plate to realize stable steel wire drawing and feeding, the steel wire drawing and feeding motor is correspondingly arranged on the horizontal linear track strip to keep corresponding stability.

As a further scheme: two sets of lifting unit, horizontal displacement subassembly and spacing ejector pin mechanism are whole all to cooperate the correspondence to set up in the outside end of frame plate, further effectively set up whole internal mechanism who plays the bottom plate device in the frame plate outside, leave empty maintenance space that supplies maintainer to this regional mechanism is less more can avoid the fabric to collude and draw the phenomenon more.

As a further scheme: a magnetic steel connecting block is arranged in the connecting and fixing blocks, a plurality of position sensors matched with the magnetic steel connecting block are arranged on the frame plate, a highest position sensor, a lowest position sensor and a safety position sensor are arranged at corresponding set positions, and the corresponding position sensors generate position signals along with corresponding displacement actions of the magnetic steel connecting block and are electrically connected with and communicated with a computer of the flat knitting machine; through the correspondence of the magnetic steel connecting blocks arranged on the position sensors, the computerized flat knitting machine controller can effectively acquire the position information of the bottom needle plate so as to control the corresponding operation steps, and the intelligent automatic control of the whole computerized flat knitting machine knitting is facilitated.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the horizontal displacement mechanism is additionally arranged on the basis of the lifting mechanism of the existing bottom lifting plate device, so that the bottom lifting needle plate has the function of performing horizontal internal and external displacement in the lifting process, the bottom lifting needle plate is shifted inwards relative to the bottom bin of the computerized flat knitting machine when moving downwards, and the bottom bin space at the vertical lower end of the roller device is effectively vacant, so that the problem of hooking blockage is perfectly solved by fabric blanking, the remaining space is extremely convenient for detection and maintenance of maintainers, the whole structure is simple, the operation is stable, and the intelligent degree is high.

Drawings

Fig. 1 is a schematic perspective view 1 of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of an embodiment of the present invention 2.

Fig. 3 is a schematic view of the highest structure of the right side bottom lifting needle plate according to the embodiment of the invention.

Fig. 4 is a schematic view of the highest structure of the left side bottom lifting needle plate of the embodiment of the invention.

Fig. 5 is a schematic view of the lowest position structure of the right side bottom lifting plate of the embodiment of the invention.

In fig. 1 to 5: a bottom lifting needle plate 1, a left frame plate 2, a right frame plate 3, a left lifting component 41, a right lifting component 42, a synchronous rotating shaft 43, a control motor 5, a left horizontal displacement component 61, a right horizontal displacement component 62, a line pushing plate 7, a limiting rod 81, a connecting block 82, a limiting baffle 84, a rolling bearing 83, a guide plate 9, a guide rail 91, a wire pumping motor 101, a wire pumping motor base 102, a highest position sensor 11, a lowest position sensor 12, a safety position sensor 13, a left connecting guide block 411, a left connecting fixing plate 414, a left linear displacement slider 412, a left vertical rack 413, a right connecting guide block 421, a right connecting fixing plate 424, a right linear displacement slider 422, a right vertical rack 423, a left magnetic steel connecting block 415, a right magnetic steel connecting block 425, a left driving gear 431, a right driving gear 432, a driving gear 433, a left horizontal linear track strip 612, a left lifting connecting block 611, a right linear displacement block 422, a right linear displacement block 423, a right magnetic steel connecting block, a right driving gear 432, a right driving gear 431, a right driving gear 432, a left lifting component, a right lifting component, a left lifting component, a lifting component, The device comprises a left support connecting plate 613, a connecting fixed block 615, a guide connecting rod 624, a right horizontal linear track strip 622, a right lifting connecting block 621, a right support connecting plate 623 and a motor mounting seat 51.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the invention provides an automatic non-interval yarn lifting device of a computerized flat knitting machine, which comprises a frame for supporting and fixing, a lifting needle plate 1, a lifting mechanism, a control motor 5, a steel wire drawing and feeding mechanism and a horizontal displacement mechanism, wherein the lifting needle 1 is arranged as a long flat plate with a plurality of lifting needles arranged at intervals at the upper end, the frame is provided with a left frame plate 2 and a right frame plate 3 which are symmetrical and vertically arranged, in order to keep the two ends of the integral lifting needle plate consistent during the action, the lifting mechanism is provided with two symmetrical groups of lifting components which are arranged as a left lifting component 41 and a right lifting component 42 and are correspondingly arranged at the end parts of the left frame plate and the right frame plate and used for supporting and pushing the lifting needle plate 1 to do up-down lifting action, wherein the control motor 4 is in transmission connection with the lifting mechanism to drive the lifting mechanism to act, and the steel wire drawing and feeding mechanism is used for realizing the wire drawing and feeding operation of the lifting needles corresponding to the lifting needles on the lifting needle plate, the corresponding bottom lift pin plate is kept in a corresponding displacement setting mode. Wherein the horizontal displacement mechanism of the embodiment is connected and arranged on the lifting mechanism and is directly connected and fixed with the bottom lifting needle plate, the horizontal displacement mechanism is matched with two lifting groups of the lifting mechanism to be provided with two corresponding horizontal displacement components which are respectively arranged as a left horizontal displacement component 61 and a right horizontal displacement component 62 and are respectively connected and fixed with the end heads at two sides of the bottom lifting needle plate, so that the lifting mechanism is matched with the horizontal displacement mechanism to push the bottom lifting needle plate to do horizontal internal and external displacement action and lifting action in the lifting direction of the lifting mechanism, thereby realizing the purpose of inwards shifting the bottom lifting needle plate, and the horizontal displacement mechanism is arranged to ensure that the bottom lifting needle plate can do horizontal internal and external displacement, and the bottom bin of the whole bottom lifting needle plate of the computerized flat knitting machine is internally shifted, thereby effectively emptying the vertical lower end position of the roller device, and ensuring that fabrics are prevented from being hooked and blocked, and the extremely large and convenient detection and maintenance personnel in the maintenance space are effectively vacated.

In order to realize the functions of the horizontal displacement mechanism, the horizontal displacement assembly in the horizontal displacement mechanism of this embodiment includes a horizontal linear rail strip, a lifting connection block and a guide connection rod, which are correspondingly configured as a left horizontal linear rail strip 612, a left lifting connection block 611, a guide connection rod 624, a right horizontal linear rail strip 622 and a right lifting connection block 621, the lifting connection block is configured as a square block and is fixedly connected to the lifting displacement action end of the lifting mechanism, so that the lifting connection block can move up and down correspondingly with the movement of the lifting mechanism, the middle part of the lifting connection block is provided with a horizontal sliding slot and is configured with the horizontal linear rail strip in a matching and butt joint manner, so as to provide horizontal inner and outer displacement actions for the guidance of the horizontal linear rail strip, the horizontal linear rail strip is fixedly connected with a support connection plate, the two corresponding horizontal displacement assemblies are configured as a left support connection plate 613 and a right support connection plate 623, and the support connection plate is directly fixedly connected with the end of the bottom lifting needle plate through the connection fixing block 615, the horizontal linear track bar moves horizontally inside and outside, and the bottom lifting needle plate is driven to move horizontally inside and outside in the direction of the horizontal sliding groove and in the action of the horizontal linear track bar; in addition, in the bottom lifting operation process of the bottom lifting plate device, the bottom lifting needle plate 1 needs to move corresponding to the vertical linear displacement between two rollers of the flat knitting machine roller device, so that the displacement movement of the horizontal displacement mechanism cannot run in a disordered manner, a guide track 91 for limiting the corresponding movement of the horizontal linear track strip is arranged on the corresponding left frame plate and the right frame plate, a guide connecting rod is arranged on one side end of the horizontal linear track strip, and the corresponding guide track extends into the guide track to form guide matching; the guide rail 91 of this embodiment is configured as a long strip-shaped kidney-shaped groove with a break angle formed on the guide plate 9 connected with the frame plate, and includes an upper end vertical displacement groove part and a lower end horizontal displacement groove part, wherein the lower end horizontal displacement groove part is obliquely arranged along the bottom end of the upper end vertical displacement groove part from outside to inside to form the break angle, and the extending end of the guide connecting rod is provided with a rolling bearing to be butted with the end face of the groove hole in the guide rail; wherein the setting of the vertical displacement slot part of upper end makes the upper and lower displacement that can match elevating system drive the bottom needle board in unison and is unanimous with normal elevating system in the displacement interval that upwards passes through between two rollers to reach the faller position, and the setting of lower extreme horizontal displacement slot part makes the bottom needle board after the displacement targets in place, the drawing return stroke of drawing and sending steel wire mechanism, then the bottom needle board realizes carrying out oblique inward displacement to the computerized flat knitting machine bottom bin inboard again by elevating system and horizontal displacement mechanism combination, make in the whole action flow of bottom needle board, the controllable setting is realized to the process of horizontal displacement. Through setting up the guide track, guide horizontal displacement mechanism and elevating system through the orbital orbit of guide and realize the controllable of bottom needle board displacement, and guide connecting rod horizontal displacement subassembly butt joint in elevating system lift displacement action end, can follow elevating system and drive the lift about the bottom needle board, realize predetermined horizontal displacement action by the orbital orbit setting of guide again to realize the effective reservation in computerized flat knitting machine bottom storehouse space.

In order to realize the functions of the above-mentioned lifting mechanism, the lifting mechanism of this embodiment includes two symmetrical sets of left lifting component 41, right lifting component 42 and a synchronous rotating shaft for driving the two sets of lifting components to synchronously move in a butt joint manner, wherein each set of lifting component includes a plurality of connecting guide blocks, a connecting fixing plate, a linear displacement slider and a vertical rack, which are respectively and correspondingly arranged as a left connecting guide block 411, a left connecting fixing plate 414, a left linear displacement slider 412, a left vertical rack 413, a right connecting guide block 421, a right connecting fixing plate 424, a right linear displacement slider 422 and a right vertical rack 423, wherein the connecting guide blocks are arranged as uniform rectangular parallelepiped guide blocks, vertical guide rail grooves are formed in the middle parts, each connecting guide block is sequentially arranged in a vertically matched and guided manner at intervals, and the linear displacement slider is arranged in the vertical guide rail groove of each connecting guide block in a butt joint manner to realize the vertical lifting displacement of the linear displacement slider, the outer side end of the linear displacement sliding block is sequentially fixed with the vertical rack in a butt joint mode at intervals through a connecting fixing plate to form an integrated structure of related actions, transmission gears are arranged on two sides of the synchronous rotating shaft 43 respectively and are divided into a left transmission gear 431 and a right transmission gear 432 which are matched with the vertical rack tooth shapes of the two groups of lifting assemblies respectively, a driving gear 433 is further arranged on the synchronous rotating shaft and is in butt joint with a power gear (not marked in the figure) arranged on an output shaft of the control motor in a matched mode, and the power gear is driven by the control motor to form power transmission with the driving gear; this embodiment is through setting up the lifting unit who adopts rack and gear complex transmission to correspond synchronous connection with two lifting unit by synchronous pivot, thereby realize that the lifting unit of a control motor stable control both sides drives bottom pin board lift and horizontal displacement in step, the overall structure principle is very simple, and is high-efficient with the control motor transmission, and holistic setting perfect adaptation horizontal displacement mechanism collocation is used.

The two lifting components are provided with a magnetic steel connecting block in a connecting fixed block, the connecting fixed blocks are respectively provided with a magnetic steel connecting block 415 and a right magnetic steel connecting block 425, the frame plate is provided with a plurality of position sensors matched with the magnetic steel connecting blocks, and a highest position sensor 11, a lowest position sensor 12 and a safety position sensor 13 are arranged at corresponding set positions, the corresponding position sensors generate position signals along with corresponding displacement actions of the magnetic steel connecting blocks and are electrically connected and communicated with a computer of the flat knitting machine, specifically, the highest position sensor and the lowest position sensor are arranged on the left frame plate, and the safety position sensor is arranged on the right frame plate; through the correspondence of the magnetic steel connecting blocks arranged on the position sensors, the computerized flat knitting machine controller can effectively acquire the position information of the bottom needle plate so as to control the corresponding operation steps, and the intelligent automatic control of the whole computerized flat knitting machine knitting is facilitated. Meanwhile, the steel wire drawing and feeding mechanism of the embodiment comprises a steel wire drawing and feeding motor 101, a steel wire drawing and feeding wire and a steel wire drawing and feeding motor base 102, wherein the steel wire drawing and feeding motor base 102 is fixedly connected with the left horizontal linear track bar 612, the steel wire drawing and feeding motor 101 is fixedly connected to the steel wire drawing and feeding motor base 102 and is used for driving the steel wire to move corresponding to a bottom needle plate, and a steel wire drawing and feeding sensor (not illustrated in the figure and electrically connected with a main controller of the flat knitting machine) is arranged on the steel wire drawing and feeding motor in a butt joint manner; because the steel wire drawing and feeding mechanism needs to keep a corresponding action state with the bottom lifting needle plate to realize stable steel wire drawing and feeding, the steel wire drawing and feeding motor is correspondingly arranged on the horizontal linear track strip to keep corresponding stability.

Furthermore, because the outer side end face of the bottom lifting needle plate of the embodiment is closely provided with a line pushing plate 7 which is arranged as a strip plate body, two ends of the line pushing plate are fixedly connected with horizontal displacement component ends of two groups of horizontal displacement component ends of a horizontal displacement mechanism and are matched with each other to keep a gap between the line pushing plate and the end face of the bottom lifting needle plate, in order to realize that the hooked threads can effectively fall off after the bottom lifting needle plate moves downwards, the lower end of the line pushing plate is also connected with a limit ejector rod mechanism which comprises a limit rod 81, a connecting block 82 and a limit baffle 84, the limit rod is arranged as a vertical long rod, the upper end of the limit rod is fixedly connected with the end part of the line pushing plate, the lower end of the line pushing plate is connected with a rolling bearing 83, the end of the frame plate is correspondingly provided with the limit baffle and is matched with the lower end of the rolling bearing, the connecting block with dock in horizontal displacement subassembly upper end, the guide through hole that supplies the vertical displacement of gag lever post is seted up at the middle part, gag lever post 81 cup joints on the connecting hole for spacing line ball board 7 when the bottom lift faller moves downwards sets up the line ball board spacing at the bottom lift faller downward displacement in-process, realizes that the gag lever post moves downwards along with elevating system action and realizes vertical separation with the line ball board at the bottom lift faller under antifriction bearing and limit baffle butt state.

Further, two sets of lifting unit, horizontal displacement subassembly and spacing ejector pin mechanism and the steel wire pumping mechanism most of this embodiment are whole all to cooperate and correspond and set up in the outside terminal surface of two frame boards, effectively set up the inner structure of whole rising bottom plate device in the frame board outside, further increase and leave empty maintenance space that supplies the maintainer to this regional mechanism also can avoid the fabric to collude and draw the phenomenon emergence less.

The lifting mechanism mode that the lifting assembly of the rack and the gear is matched with the synchronous rotating shaft is the optimization of the combination structure and the cost consideration of the embodiment, the vertical displacement device modes of the belt wheel transmission, the chain wheel transmission, the screw rod sliding table and the like can also realize the lifting displacement function, and the lifting displacement function is mainly inferior to the optimization of the embodiment in terms of overall stability, structural complexity and cost, the connection of the lifting mechanism of the gear and the rack and the horizontal displacement mechanism of the horizontal sliding rail sliding groove can also be realized by adopting a bidirectional sliding table module mode, but the overall cost of the bidirectional sliding table module is higher, the bidirectional sliding table module is difficult to be installed and used on a frame plate in a matching way, and the mode needs two bidirectional driving motors, and corresponding to the application scene, two bidirectional sliding table modules are needed to correspond to four driving motors, and if any one of the two bidirectional sliding table modules generates deviation or fails, the use of the integral bottom plate lifting device is directly influenced, therefore, the mode of the present embodiment is the most preferable mode in comprehensive consideration.

The specific working process of the invention is as follows: because of the arrangement of the guide track, after finishing a bottom-lifting flow operation, the bottom-lifting needle plate 1 returns downwards and moves inwards to be positioned at the lowest position end arranged on the guide track 91, after obtaining a start signal of a main controller of the computerized flat knitting machine, the control motor 5 starts to move forwards to drive the synchronous rotating shaft 43 to move to drive the lifting mechanism to move upwards, horizontal linear track bars of two horizontal displacement mechanisms in the horizontal displacement mechanism move from inside to outside along a lower end horizontal displacement groove part in the guide track by a horizontal sliding groove in the middle of a lowering connection block, after finishing the movement of the guide connecting rod 624 in a lower end horizontal displacement groove part to an upper end vertical displacement groove part, the bottom-lifting needle plate 1 moves upwards and simultaneously moves from inside to outside to be positioned at the lower ends of two rollers of a roller device of the flat knitting machine, then moves vertically upwards along the direction of the upper end vertical displacement groove part, after the corresponding left magnetic steel connecting block 415 contacts with the highest position sensor 11, the control motor 5 stops the action, the bottom rising needle plate 1 reaches the highest position and is positioned at the end part of a processing needle plate of the computerized flat knitting machine, at the moment, a main controller of the computerized flat knitting machine controls a wire pumping and feeding motor 101 to start to carry out wire feeding action, a wire feeding in-place wire pumping and feeding sensor sends a wire feeding in-place signal, a knitting host of the computerized flat knitting machine acts to carry out knitting action, a bottom rising device carries out downward traction action, the control motor 5 starts reverse action, drives a synchronous rotating shaft 43 to act to drive a lifting mechanism to slowly displace downwards, the whole machine vertically downwards matches with the track action of a vertical displacement groove part at the upper end along the central line of a roller device of the flat knitting machine, after a corresponding right magnetic steel connecting block 425 triggers a safety position sensor 13, the control motor 5 stops reverse action and rotates forwards at a certain angle, so that a pumping and feeding wire is convenient for the pumping and feeding motor to withdraw, and the bottom rising needle plate 1 is kept at the position to wait for wire pumping operation, meanwhile, the drawing wire feeding motor drives the drawing operation to draw back the drawing steel wire, after the drawing operation is completed, the drawing wire feeding sensor sends an in-place signal to the main controller of the flat knitting machine, the main controller controls the motor 5 to continue to move reversely to drive the bottom lifting needle plate to continue to move downwards, the bottom lifting needle plate moves downwards in a slant direction under the guidance of the guide track 91 until the corresponding left magnetic steel connecting block 415 triggers the lowest position sensor 12, the motor 5 is controlled to stop moving, the bottom lifting needle plate 1 is located at the lowest position, the whole bottom lifting needle plate moves inwards from the central line position of the roller to empty the space in the front half area of the bottom bin of the flat knitting machine, and then the motor is controlled to wait for the next flow signal to perform the next period flow. The invention has the advantages that the horizontal displacement mechanism is additionally arranged on the basis of the lifting mechanism of the existing bottom plate lifting device, so that the bottom plate lifting device has the function of performing horizontal internal and external displacement in the lifting process, the bottom plate lifting device can realize inward displacement relative to a bottom bin of a computerized flat knitting machine when the bottom plate lifting device reaches the bottom in the downward displacement process, the bottom bin space at the vertical lower end of the roller discharging device is effectively vacant, the problem of hooking blockage is perfectly solved by fabric blanking, the remaining space is greatly convenient for detection and maintenance of maintainers, the whole structure is simple, the operation is stable, and the intelligent degree is high.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an automatic no interval yarn bottom plate device that rises of computerized flat knitting machine, includes frame, plays end faller, elevating system, control motor and pumping steel wire mechanism, the frame has about two frame plates of vertical setting respectively, two sets of lifting unit and correspondence set up in two frame plate tip about elevating system is equipped with for support promotes end faller and does the oscilaltion action, control motor links to each other with the elevating system transmission, pumping steel wire mechanism corresponds end faller displacement setting, its characterized in that: the lifting mechanism is connected with a horizontal displacement mechanism, the horizontal displacement mechanism is connected and matched with the end part of the bottom lifting needle plate, and the lifting mechanism is matched with the horizontal displacement mechanism to push the bottom lifting needle plate to do horizontal internal and external displacement motion in the lifting direction of the lifting mechanism.

2. The automatic non-intermittent yarn starting plate device of the computerized flat knitting machine according to claim 1, characterized in that: horizontal displacement mechanism sets up two sets of horizontal displacement subassemblies and left and right two sets of lifting unit butt joint separately to it is fixed with rising end faller both ends connection, two be equipped with the guide track on the frame plate terminal surface, correspond the frame plate end horizontal displacement subassembly displacement end connection direction connects in the guide track for drive rise end faller sets up the orbit along the guide track and advances the displacement.

3. The automatic non-interval yarn bottom lifting device of the computerized flat knitting machine according to claim 2, wherein: horizontal displacement subassembly includes horizontal straight line track strip, lift connecting block and guide connecting rod, the lift connecting block dock in elevating system lift displacement action end, and horizontal spout and cooperation access horizontal straight line track strip are seted up to its middle part to the horizontal straight line track strip direction of supplying water is the horizontal inside and outside displacement action, the guide connecting rod sets up on horizontal straight line track strip, corresponds the guide track position and extends into the guide track and form the direction cooperation.

4. The automatic non-interval yarn bottom lifting device of the computerized flat knitting machine according to claim 3, wherein: the guide rail is designed into a long strip-shaped kidney-shaped groove and comprises an upper end vertical displacement groove part and a lower end horizontal displacement groove part, the lower end horizontal displacement groove part is obliquely inclined from outside to inside along the bottom end of the upper end vertical displacement groove part to form a bevel, and a rolling bearing is arranged on an extending end of the guide connecting rod and is in butt joint with the end face of a groove hole in the guide rail.

5. The automatic non-interval yarn bottom lifting device of the computerized flat knitting machine according to any one of claims 1 to 4, wherein: the lifting mechanism comprises a left lifting assembly, a right lifting assembly and a synchronous rotating shaft for driving the two lifting assemblies to synchronously act, each lifting assembly comprises a plurality of connecting guide blocks, a connecting fixing plate, a linear displacement slider and a vertical rack, vertical guide rail grooves are formed in the middle of the connecting guide blocks and are matched with guide settings, the linear displacement sliders are butted and arranged in the vertical guide rail grooves, the outer ends of the outer.

6. The automatic non-intermittent yarn starting plate device of the computerized flat knitting machine according to claim 5, wherein: the end face of one side of the bottom lifting needle plate is provided with a line pushing plate in a pressing close mode, the two ends of the line pushing plate are connected with the horizontal displacement mechanism in a matched mode to keep the gap between the line pushing plate and the end face of the bottom lifting needle plate, and the lower end of the line pushing plate is further connected with a limiting ejector rod mechanism for limiting the line pushing plate when the bottom lifting needle plate moves downwards.

7. The automatic non-interval yarn bottom lifting device of the computerized flat knitting machine according to claim 6, wherein: spacing ejector pin mechanism includes gag lever post, connecting block and limit baffle, the gag lever post sets up to the stock of vertical direction, and its upper end links to each other with the push-off plate end fixing, and the overhead connection of lower extreme is equipped with antifriction bearing, the frame plate is served and is equipped with the limit baffle cooperation and sets up in the antifriction bearing lower extreme, the connecting block with dock in horizontal displacement subassembly upper end, the guide through-hole that supplies the vertical displacement of gag lever post is seted up at the middle part, the gag lever post cup joints on the connecting hole to realize that the gag lever post plays the faller and moves downwards along with the elevating system action and realize vertical separation with the push-off plate under antifriction bearing and limit baffle butt state.

8. The automatic non-intermittent yarn starting plate device of the computerized flat knitting machine according to claim 5, wherein: the drawing and feeding steel wire mechanism comprises a drawing and feeding motor, a drawing and feeding steel wire and a drawing and feeding motor base, the drawing and feeding motor base is fixedly connected with the horizontal linear track strip, the drawing and feeding motor is connected and fixed on the drawing and feeding motor base and used for driving the drawing and feeding steel wire to correspond to the bottom needle plate to move, and the drawing and feeding motor is butted with and is provided with a drawing and feeding inductor.

9. The automatic non-intermittent yarn starting plate device of the computerized flat knitting machine according to claim 5, wherein: a plurality of magnetic steel connecting blocks are arranged in the connecting fixed blocks, a plurality of position sensors matched with the magnetic steel connecting blocks are arranged on the frame plate, a highest position sensor, a lowest position sensor and a safety position sensor are arranged at corresponding set positions, and the corresponding position sensors generate position signals along with the corresponding displacement actions of the magnetic steel connecting blocks and are electrically connected with a computer of the flat knitting machine for communication.

10. The automatic non-interval yarn bottom lifting device of the computerized flat knitting machine according to any one of claims 6 to 9, wherein: the two groups of lifting assemblies, the horizontal displacement assembly and the limiting ejector rod mechanism are integrally matched and correspondingly arranged at the outer side end of the frame plate.