CN209568203U - A driving mechanism for lifting the bottom plate - Google Patents

Abstract

The utility model relates to computer flat knitting machine technical fields, more particularly to a kind of bottom plate transmission mechanism, including vehicle wall, play bottom plate, first motor, second motor, cam part and transmission mechanism, the first motor and the second motor set up separately in the upper and lower ends for playing bottom plate, the transmission mechanism is cooperatively connected with vehicle wall and bottom plate respectively, the transmission mechanism includes synchronizing wheel, synchronous belt, synchronous belt pressing plate, linear axis bearing sleeve, limit base, groove pin component, slide bar, sliding rod rack, anticollison block, limit switch base and linkage mechanism, the structure design of the utility model is reasonable, groove pin component is gone up and down by the transmission mechanism, it can effectively realize the purpose for having controlled bottom plate emersion groove pin component and then having declined needle mouth closing hook yarn, and work efficiency is high, job stability is strong, lifting action control is stablized, and then it ensure that The stability of straight-bar machines work, while can be realized and reduce refuse yarn consumption, improve the working efficiency of straight-bar machines.

Description

A driving mechanism for lifting the bottom plate

technical field

The utility model relates to the technical field of computerized flat knitting machines, in particular to a driving mechanism for a lifting plate.

Background technique

The lifting plate is an important part of the flat knitting machine. Its main function is to provide downward traction for the fabric before the fabric enters the roller, to ensure that the subsequent part of the fabric remains smooth, improve the weaving quality, and reduce the length of the waste yarn of the fabric. There are starting needles similar to grooved needles on the board of the starting board. When the starting board rises, the machine first knits a double rib, and the starting needle is inserted into the intersection of the double ribs, so that the yarn crossed by the ribs enters the starting needle In the needle hook; the bottom plate is lifted out of the grooved needle assembly through the action of the mechanism, and the grooved needle assembly is hooked by the motor to control the rotation of the cam, so that the needle mouth is closed and the hooked yarn starts to descend, and then descends to the bottom of the mouth of the needle bed, and then Carry out waste yarn weaving and yarn feeder weaving; after the above steps are completed, weaving of cloth pieces can be carried out. The automatic lifting mechanism is composed of a lifting plate, a transmission part, a roller opening and closing part, and an electrical control part.

However, the failure rate of the transmission part in the lifter plate in the prior art is high, the maintenance is frequent, and the consumption of waste yarn is increased, and the effect of the computerized flat knitting machine is reduced.

Utility model content

Aiming at the shortcomings and deficiencies in the prior art, the utility model provides a device that can effectively control the lifting of the bottom plate to lift out of the groove needle assembly, and then make the needle mouth close and hook yarn drop, with high work efficiency, strong work stability, and easy lifting action. The lifting plate transmission mechanism has stable control, reduces waste yarn consumption, and improves efficiency.

In order to solve the above technical problems, the utility model is solved through the following technical solutions:

A lifting plate transmission mechanism, comprising a car wall, a lifting plate, a first motor, a second motor, a cam portion and a transmission mechanism, the first motor and the second motor are respectively arranged at the upper and lower ends of the lifting plate, and the transmission mechanism Cooperate and connect with the car wall and the lifting plate respectively, the second motor is cooperating with the cam part, and the transmission mechanism includes a synchronous wheel, a synchronous belt, a synchronous belt pressure plate, a linear bearing sleeve, a limit seat, a slotted needle assembly, and a slide bar , sliding rod bracket, anti-collision block, limit switch seat and linkage mechanism;

The first motor is mated and connected with the synchronous wheel, the synchronous wheel is separately arranged on the vehicle wall and the central axis is set up and down correspondingly, the synchronous belt is arranged on the synchronous wheel, and at the same time, it is matched between the synchronous belt pressure plate and the linear bearing sleeve connection, the limit seat is connected with the side of the linear bearing sleeve away from the timing belt pressure plate, the slotted needle assembly passes through the linear bearing sleeve and the bottom end is connected with the anti-collision block, and the cam part is matched with the slotted needle assembly Set, the slide bar bracket is set on the inner wall of the car wall, the slide bar passes through the linear bearing sleeve and the two ends are respectively connected with the slide bar bracket, the limit switch seat is separately set on the car wall and connected to the anti-collision The blocks are electrically connected, the lower end of the linkage mechanism is set in cooperation with the limit seat, and the upper end is correspondingly set with the slot needle assembly. The limit seat is also provided with a sliding push surface that is slidably set with the linkage mechanism.

As a preference: the linkage mechanism includes a mounting seat, a limit wheel, a fixed column, a tension spring, a limit limit seat, a pull rod, a movable plate limit sleeve, a reset sensor seat and a movable plate. Both the seat and the fixed column are fixedly connected with the vehicle wall, the middle part of the limiting wheel is connected with the mounting seat, one end of the tension spring is connected with the fixed column, and the other end of the tension spring is connected with the limiting wheel. The position wheels are respectively arranged with the limit limit seat and the limit seat, the upper end of the pull rod is connected with the reset sensor seat, the lower end of the pull rod is connected with the limit wheel, and the limit sleeve of the movable plate is arranged on the car wall and connected with the limit wheel. The reset sensor is matched and connected, one end of the movable plate is connected with the reset sensor seat, and the other end of the movable plate is correspondingly arranged above the slotted needle assembly.

As a preference: the spacer wheel includes a connecting prism, a wheel body, a positioning pin, a first bearing and a second bearing, one end of the connecting prism is connected with the mounting seat, and the other end is connected with the wheel body, and the positioning pin is connected with the wheel body. The ends of the wheel body are mated and connected, and the first bearing and the second bearing are respectively mated and connected with the wheel body and the sliding push surface.

Preferably, the wheel body includes a fixed part, a first connecting part, a second connecting part and a third connecting part arranged on the fixing part at equal angles, and the first connecting part, the second connecting part and the third connecting part The first connecting part is connected with the pull rod through the positioning pin, the front end of the second connecting part is connected with the first bearing, and the front end of the third connecting part is connected with the second bearing.

As a preference: the linear bearing sleeve includes a bearing sleeve main body with a through hole in the middle, a first assembly part that is mated with the left side of the bearing sleeve main body, a second assembly part that is mated with the right side of the bearing sleeve main body, and evenly distributed on the bearing The positioning hole on the rear side of the sleeve body, the sliding rod is connected with the through hole, the first assembly part is connected with the slot needle assembly, the second assembly part is connected with the bottom plate, and the timing belt pressure plate is positioned through the positioning hole. The hole is matched and connected with the main body of the bearing sleeve, and the front side of the main body of the bearing sleeve is fixedly connected with the limit seat.

Beneficial effects of the utility model: the utility model has a reasonable structural design, the slot needle assembly is lifted and lowered by the transmission mechanism, which can effectively realize the purpose of controlling the lifting bottom plate to lift out of the slot needle assembly and then make the needle mouth close and hook yarn drop, and the work efficiency High, strong working stability, stable lifting action control, thereby ensuring the stability of the flat knitting machine, and at the same time reducing the consumption of waste yarn and improving the working efficiency of the flat knitting machine.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic structural diagram of the transmission mechanism of the present invention.

Fig. 3 is a schematic diagram of an exploded structure of the linkage mechanism of the present invention.

Fig. 4 is a structural schematic diagram of the spacer wheel of the present invention.

Reference signs: 1, car wall; 2, lifting plate; 3, first motor; 4, second motor; 5, transmission mechanism; 6, synchronous wheel; 7, synchronous belt; 8, synchronous belt pressure plate; 9, straight line Bearing sleeve; 10, limit seat; 11, grooved needle assembly; 12, slide bar; 13, slide bar bracket; 14, anti-collision block; 15, limit switch seat; 16, linkage mechanism; 17, sliding push surface; 18, mounting seat; 19, limit wheel; 20, fixed column; 21, extension spring; 22, limit limit seat; 23, pull rod; 24, movable plate limit sleeve; 25, reset sensor seat; 26, activity plate; 27, connecting prism; 28, wheel body; 29, positioning pin; 30, first bearing; 31, second bearing; 32, fixed part; 33, first connecting part; 34, second connecting part; 35, The third connection part; 36, the main body of the bearing sleeve; 37, the first assembly part; 38, the second assembly part.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

As shown in Fig. 1 to Fig. 4, a kind of floor lifter transmission mechanism comprises car wall 1, lifter plate 2, first motor 3, second motor 4, cam portion and transmission mechanism 5, and described first motor 3 and the second Two motors 4 are arranged on the upper and lower ends of the lifting plate 2, the second motor 4 is arranged in cooperation with the cam portion, the transmission mechanism 5 is connected with the vehicle wall 1 and the lifting plate 2 respectively, and the transmission mechanism 5 includes a synchronous wheel 6. Timing belt 7, timing belt pressure plate 8, linear bearing sleeve 9, limit seat 10, slot needle assembly 11, slide bar 12, slide bar bracket 13, anti-collision block 14, limit switch seat 15 and linkage mechanism 16;

The first motor 3 is connected with the synchronous wheel 6. The synchronous wheel 6 is separately arranged on the vehicle wall 1 and the central axis is correspondingly arranged up and down. The synchronous belt 7 is arranged on the synchronous wheel 6, and the synchronous belt pressure plate 8 Cooperate with the linear bearing sleeve 9, the limit seat 10 is connected with the side of the linear bearing sleeve 9 away from the timing belt pressure plate 8, the slot needle assembly 11 passes through the linear bearing sleeve 9 and the bottom end is in contact with the anti-collision The blocks 14 are mated and connected, the cam part is arranged with the slotted needle assembly 11, the slide bar bracket 13 is separately arranged on the inner wall of the car wall 1, the slide bar 12 passes through the linear bearing sleeve 9 and the two ends are respectively connected with the slide bar The bracket 13 is matched and connected, the limit switch seat 15 is separately arranged on the vehicle wall 1 and is electrically connected with the anti-collision block 14, the lower end of the linkage mechanism 16 is set in cooperation with the limit seat 10, and the upper end is set correspondingly with the slot needle assembly 11 , the limit seat 10 is also provided with a sliding push surface 17 that is slidably arranged with the linkage mechanism 16; when the slotted needle assembly 11 needs to be raised, the first motor 3 rotates through the transmission shaft in cooperation with the synchronous wheel 6, Then when the synchronous belt 7 rotates, it drives the linear bearing sleeve 9 to move up on the slide bar 12. When the linear bearing sleeve 9 rises, the linkage mechanism 16 moves synchronously to open the movable plate 26 to facilitate the rise of the slotted needle assembly 11. Through the above transmission The process guarantees the stability of the rising and running of the slotted needle assembly 11, and simultaneously improves the stability and work efficiency of the flat knitting machine; the sliding push surface 17 includes a plane and a bottom side and an upper side that are connected with arc transitions on both sides of the plane, which is convenient for linkage Mechanism 16 cooperates with the action of limit seat 10; mainly through the transmission mechanism 5 to lift the grooved needle assembly 11, it can effectively realize the purpose of controlling the lifter plate 2 to rise out of the grooved needle assembly 11 and then make the needle mouth close and hook yarn drop. Moreover, the work efficiency is high, the work stability is strong, and the control of the lifting action is stable, thereby ensuring the stability of the flat knitting machine, and at the same time reducing the consumption of waste yarn and improving the working efficiency of the flat knitting machine.

In this embodiment, the linkage mechanism 16 includes a mounting seat 18, a limit wheel 19, a fixed column 20, a tension spring 21, a limit limit seat 22, a pull rod 23, a movable plate 26 limit sleeve 24, and a reset sensor seat 25 And the movable plate 26, the mounting seat 18, the limit limit seat 22 and the fixed column 20 are all fixedly connected with the car wall 1, the middle part of the spacer wheel 19 is axially connected with the mounting seat 18, and one end of the extension spring 21 Cooperate with the fixed column 20, and the other end of the tension spring 21 is connected with the limit wheel 19. The limit wheel 19 is respectively set with the limit limit seat 22 and the limit seat 10. The upper end of the pull rod 23 is connected with the reset sensor The seat 25 is matched and connected, and the lower end of the pull rod 23 is connected with the limit wheel 19. The movable plate 26 limit sleeve 24 is arranged on the vehicle wall 1 and is connected with the reset sensor. One end of the movable plate 26 is connected with the reset sensor seat. 25 is matched and connected, and the other end of the movable plate 26 is set correspondingly to the top of the grooved needle assembly 11. The linkage mechanism 16 is that when the motor drives the linear bearing sleeve 9 to rise, the limit wheel 19 slides on the sliding push surface 17 of the limit seat 10. Take the mounting seat 18 as the benchmark to move, and at the same time, because the tension spring 21 pulls the limit wheel 19, when the limit wheel 19 cooperates with the limit seat 10, the pull rod 23 makes a downward movement, and the movable plate 26 is used to reset the sensor. The 25-position base of the seat rotates counterclockwise, away from the position above the slotted needle assembly 11, to ensure the rationality of the action of the slotted needle assembly 11; , cooperate with the movable plate 26 to complete the reset action; the setting of the limit limit seat 22 can limit the action of the limit wheel 19, improve the stability of the limit wheel 19 operation, and increase the service life of the limit wheel 19.

In this embodiment, the limiting wheel 19 includes a connecting prism 27, a wheel body 28, a positioning pin 29, a first bearing 30, and a second bearing 31. One end of the connecting prism 27 is connected with the mounting seat 18, and the other end is connected with the mounting seat 18. The wheel body 28 is mated and connected, and the positioning pin 29 is mated and connected with the end of the wheel body 28. The first bearing 30 and the second bearing 31 are respectively mated and connected with the wheel body 28 and are mated with the sliding push surface 17. The connection The prism 27 connects the wheel body 28 with the mounting seat 18, and then positions the wheel body 28. At the same time, the shaft connection can ensure that the wheel body 28 rotates on the basis of the connecting prism 27, thereby improving the flexibility of the wheel body 28; When the linkage mechanism 16 is in use, the positioning pin 29 connected on the wheel body 28 is connected to the pull rod 23, and the first bearing 30 is against the sliding push surface 17, and the second bearing 31 is in a free state matching the first bearing 30; The setting of the second bearing 31 is to avoid the failure of the extension spring 21 or the disassembly of the assembly, to cooperate with the action of the wheel body 28 on the sliding push surface 17, and then to forcibly open the movable plate 26, so as to improve the performance of the transmission mechanism 5 .

In this embodiment, the wheel body 28 includes a fixed portion 32, a first connecting portion 33, a second connecting portion 34, and a third connecting portion 35 that are equiangularly arranged on the fixing portion 32, and the first connecting portion 33 , the second connecting portion 34, and the third connecting portion 35 are fixedly connected with the fixed portion 32 respectively, the first connecting portion 33 is connected with the pull rod 23 through the positioning pin 29, and the front end of the second connecting portion 34 is connected with the first bearing 30, the front end of the third connecting part 35 is connected with the second bearing 31, the middle part of the fixed part 32 is connected with the connecting prism 27, and then the first connecting part 33 and the second connecting part respectively arranged on the fixing part 32 34 and the third connecting portion 35 cooperate with the corresponding action of the linkage mechanism 16 .

In this embodiment, the linear bearing sleeve 9 includes a bearing sleeve main body 36 with a through hole in the middle, a first assembly part 37 that is mated with the left side of the bearing sleeve main body 36, and a second assembly portion 37 that is mated with the right side of the bearing sleeve main body 36. The assembly part 38 and the positioning holes evenly distributed on the rear side of the bearing sleeve main body 36, the slide bar 12 is connected with the through hole, the first assembly part 37 is connected with the grooved needle assembly 11, and the second assembly part 38 Cooperate with the bottom plate 2, the timing belt pressure plate 8 is connected with the bearing sleeve main body 36 through the positioning hole, the front side of the bearing sleeve main body 36 is fixedly connected with the limit seat 10, and the first assembly part 37 is provided with There are perforations for positioning connection with the slotted needle assembly 11, and at the same time, the second assembly part 38 is connected with the bottom plate 2 through the positioning connection hole, and the timing belt pressure plate 8 is connected with the bearing sleeve main body 36 through the positioning hole, and the connection is left for convenience. The belt is matched with the assembly gap of the assembly, and the belt drives the linear bearing sleeve 9 to move up and down through the tooth bar on the timing belt pressure plate 8.

Concrete working principle of the present utility model is as follows:

When it is necessary to control the rise of the bottom plate 2 and the slot needle assembly 11, start the first motor 3, the first motor 3 rotates, the first motor 3 rotates through the transmission shaft and the synchronous wheel 6, and then the synchronous belt 7 rotates, driving the linear bearing sleeve 9 Lift up on the slide bar 12, while the linear bearing sleeve 9 lifts up on the slide bar 12, the first bearing 30 on the limit wheel 19 cooperates with the first connecting part 33 on the basis of the mounting seat 18. action, the first bearing 30 is on the bottom side of the sliding push surface 17 of the limit seat 10 from the initial state, and then moves to the plane, and finally to the upper side, and at the same time because the tension spring 21 pulls the limit wheel 19, the limit wheel 19 When cooperating with the limit seat 10, the pull rod 23 makes a downward movement, and at the same time, the movable plate 26 performs counterclockwise linkage based on the 25th position of the reset sensor seat, and is separated from the position above the slot needle assembly 11. The slot needle assembly 11 cooperates with the linear bearing sleeve 9 to complete the rising action; when it is necessary to control the lowering groove needle assembly 11 of the bottom plate 2, when the linear bearing sleeve 9 performs a downward action on the slide bar 12, the first bearing 30 on the limit wheel 19 cooperates with the sliding push surface 17 by the upper side Move to the plane, and then move to the bottom side, the synchronous pull rod 23 moves upwards to block the upward trajectory of the slotted needle assembly 11, and the slotted needle assembly 11 cooperates with the linear bearing sleeve 9 to reset to ensure the reasonable operation of the slotted needle assembly 11's up and down movement; During the up and down movement of the slotted needle assembly 11, the second motor 4 cooperates with the cam to rotate, thereby controlling the slotted needle assembly 11 to swing, so that the slotted needle assembly 11 hooks the yarn; and the slotted needle assembly 11 passes through the anti-collision block 14 Cooperating with the limit switch seat 15 can prevent the slot needle assembly 11 from colliding with the slide bar bracket 13, etc., and at the same time, the slide bar bracket 13 provided at the upper and lower ends of the slide bar 12 can position the assembly position of the slide bar 12 Through the lifting action of the above-mentioned transmission mechanism 5 on the slotted needle assembly 11, the purpose of controlling the lifter plate 2 to rise out of the slotted needle assembly 11 and then to make the needle mouth close and hook yarn drop can be effectively realized.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (5)

1. one kind plays bottom plate transmission mechanism, including vehicle wall, bottom plate, first motor, the second motor, cam part and driver Structure, the first motor and the second motor set up separately in the upper and lower ends for playing bottom plate, the transmission mechanism respectively with vehicle wall and play bottom Plate is cooperatively connected, and second motor and cam part are cooperatively connected, it is characterised in that: the transmission mechanism includes synchronizing wheel, same Walk band, synchronous belt pressing plate, linear axis bearing sleeve, limit base, groove pin component, slide bar, sliding rod rack, anticollison block, limit switch base with And linkage mechanism；

The first motor and synchronizing wheel are cooperatively connected, and the synchronizing wheel, which sets up separately on vehicle wall, and central axis is just corresponding up and down is setting It sets, the synchronous belt setting is cooperatively connected in synchronizing wheel, while between synchronous belt pressing plate and linear axis bearing sleeve, the limit Seat connect with linear axis bearing sleeve far from the lateral engagement of synchronous belt pressing plate, the groove pin component across linear axis bearing sleeve and bottom end and Anticollison block is cooperatively connected, and the cam part is equipped with groove pin component, and the sliding rod rack sets up separately on the inner wall of vehicle wall, institute Slide bar is stated across linear axis bearing sleeve and both ends are cooperatively connected with sliding rod rack respectively, the limit switch base set up separately on vehicle wall and It is electrically connected with anticollison block cooperation, the linkage mechanism lower end is equipped with limit base, and upper end is correspondingly arranged with groove pin component, institute State the sliding pushing surface for being additionally provided on limit base and cooperating sliding setting with linkage mechanism.

2. a kind of bottom plate transmission mechanism according to claim 1, it is characterised in that: the linkage mechanism includes installation Seat, position-limited wheel, fixed column, tension spring, limit spacing seat, pull rod, movable plate limit sleeve, reset inductor seat and movable plate, institute It states mounting base, limit spacing seat and fixed column to be fixedly connected with the cooperation of vehicle wall, cooperate in the middle part of the position-limited wheel with mounting base Axis connects, and described tension spring one end and fixed column are cooperatively connected, and the tension spring other end and position-limited wheel are cooperatively connected, the position-limited wheel respectively with Limit spacing seat and limit base are equipped with, and the pull rod upper end and reset inductor seat are cooperatively connected, pull rod lower end and limit Wheel is cooperatively connected, and the movable plate limit is set on vehicle wall and is cooperatively connected with reset inductor, described movable plate one end It is cooperatively connected with reset inductor seat, is correspondingly arranged above the movable plate other end and groove pin component.

3. a kind of bottom plate transmission mechanism according to claim 2, it is characterised in that: the position-limited wheel includes connecting edge Column, wheel body, positioning pin, first bearing and second bearing, described connection prism one end and mounting base are cooperatively connected, the other end with Wheel body is cooperatively connected, and the positioning pin and wheel body end are cooperatively connected, and the first bearing and second bearing are matched with wheel body respectively It closes connection and is cooperatively connected with sliding pushing surface.

4. a kind of bottom plate transmission mechanism according to claim 3, it is characterised in that: the wheel body includes fixed part, is in Angularly set up first connecting portion, second connecting portion and third interconnecting piece on fixed part, the first connecting portion, second separately Interconnecting piece, third interconnecting piece are fixedly connected with fixed part cooperation respectively, and the first connecting portion is cooperated by positioning pin and pull rod Connection, the second connecting portion front end and first bearing are cooperatively connected, and third interconnecting piece front end and second bearing are cooperatively connected.

5. a kind of bottom plate transmission mechanism according to claim 2, it is characterised in that: the linear axis bearing sleeve includes middle part First department of assembly of bearing holder (housing, cover) main body and the left mating connection of bearing holder (housing, cover) main body equipped with through-hole cooperates on the right side of bearing holder (housing, cover) main body Second department of assembly of connection and the location hole being evenly arranged on rear side of bearing holder (housing, cover) main body, the slide bar and through-hole are cooperatively connected, described First department of assembly and groove pin component are cooperatively connected, and second department of assembly is cooperatively connected with bottom plate is played, and the synchronous belt pressing plate is logical It crosses location hole and bearing holder (housing, cover) main body is cooperatively connected, be fixedly connected on front side of the bearing holder (housing, cover) main body with limit base cooperation.