CN213951517U

CN213951517U - Traction device of computerized flat knitting machine

Info

Publication number: CN213951517U
Application number: CN202022845674.5U
Authority: CN
Inventors: 金永良; 张和中; 邱屹; 侯英杰; 朱佳恒; 张宏露
Original assignee: Jiangsu Jinlong Technology Co Ltd
Current assignee: Jiangsu Jinlong Technology Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-13
Anticipated expiration: 2030-12-01

Abstract

A traction device of a computerized flat knitting machine belongs to the technical field of flat knitting machines. Including a support, a set of length direction interval setting and the lower extreme along the support fix on the support and upper end and support clearance fit's guard shield, characteristics: a group of traction components are respectively arranged between the support and the protective cover at intervals, each traction component comprises a guide rail fixed with the support and extending upwards, a traction plate sliding on the guide rail, a needle plate seat with a lower end hinged with the middle part of the traction plate, a needle plate fixed at the upper end of the needle plate seat, a pair of guide blocks arranged on the support and used for pushing the needle plate seat to rotate around the hinged part of the lower end, a screw motor arranged below the support, a sliding block driven by the screw motor and capable of sliding up and down along the guide rail, and a spring with two ends respectively connected with the traction plate and the sliding block. The drawing device realizes controllable local drawing, can perform drawing actions with different rates on local parts according to different fabrics, simplifies the structure, reduces the number of parts, reduces the failure probability and prolongs the service life.

Description

Traction device of computerized flat knitting machine

Technical Field

The utility model belongs to the technical field of flat knitting machine, concretely relates to tractive device of computerized flat knitting machine.

Background

With the development of science and technology, the textile industry has entered into the automation era, the computerized flat knitting machine is a knitting loom generally adopted in the textile industry, which greatly improves the production efficiency of fabrics, in the development of the computerized flat knitting machine in recent years, the technology has become mature gradually and a set of knitting process including loop withdrawing, yarn padding, yarn carrying, closing, looping and drawing is formed, wherein the drawing is one of the most main steps of the continuous knitting process of the fabrics, and the drawing can play a role in tensioning so that loops can not be separated from needle hooks, and can lead the formed fabrics out of a looping area. In the prior art, the following three drawing structures are generally adopted for drawing: the third structure adopts a cam or a cylinder to drive the rake to pull the fabric downwards, the first two structures are simple, but the pulling effect is general and the condition of uneven fabric accumulation and pulling is easy to occur, the third structure is complex, and simultaneously, the defects of single and uncontrollable pulling position, short service life, high requirement on component precision and the like exist, particularly, the cam driving structure is adopted, the action of the rake is completely determined by the shape and size of the cam and the rotating speed of the cam, so the requirement on the precision of the cam is high.

In the prior art, as a new fabric traction device for a flat knitting machine disclosed in chinese patent application publication No. CN110029438A, and as a traction device for a flat knitting machine related to chinese patent application publication No. CN101135085A, both of them adopt clamping and traction structures, and the defects of the former two traction structures are inevitable, as well as "a traction device for a flat knitting machine and a flat knitting machine" provided in chinese patent application publication No. CN111910333A, although the fabric can be locally pulled, the defects of more parts, troublesome assembly and easy failure exist, and the fabric pulling-down device is also provided as the Chinese patent publication No. CN106192187B, the traditional cam driving structure is adopted, and the defects that the pulling position is single and uncontrollable and the requirement on the precision of the cam is high exist.

In view of the above, there is a need for a drawing device for a computerized flat knitting machine, which has a simple structure, a small number of components, a low failure rate, and is capable of performing partial drawing and controlling the drawing operation. The applicant has therefore made an advantageous design, in the context of which the solution to be described below is made.

Disclosure of Invention

The utility model aims at providing a computerized flat knitting machine's tractive device helps improving the drive structure of tractive subassembly and drives the faller action respectively and make tractive device can carry out controllable local tractive, has simplified the structure of tractive subassembly moreover, has reduced part quantity, has reduced the probability that the trouble takes place, is favorable to the flat knitting machine to carry out the tractive of different speed and different positions according to the fabric of difference.

The utility model aims at achieving like this, a tractive device of computerized flat knitting machine, set up and the lower extreme is fixed on the support and upper end and support clearance fit's guard shield, its characterized in that including a support, a set of length direction interval along the support: the support and the protective cover are respectively provided with a group of traction components at intervals, each traction component comprises a guide rail fixed with the support and extending upwards, a traction plate sliding on the guide rail, a needle plate seat with the lower end hinged with the middle part of the traction plate, a needle plate fixed at the upper end of the needle plate seat, a pair of guide blocks installed on the support and used for pushing the needle plate seat to rotate around the hinged part of the lower end, a screw motor installed below the support, a sliding block driven by the screw motor and capable of sliding up and down along the guide rail, and a spring with two ends respectively connected with the traction plate and the sliding block.

The utility model discloses a concrete embodiment, the upper end interval of support is provided with a set of axle bed, the upper end of guard shield extends to the rear side of axle bed backward and supports and lean on the axle bed, and is a set of the axle bed in be provided with a guard shield drive shaft, the guard shield drive shaft on be located the position department between the two axle beds and be fixed with a guard shield drive block that is used for promoting the guard shield motion respectively, the one end of guard shield drive shaft outwards extends and constitutes at the tip has a guard shield drive shaft belt pulley, the support be fixed with a guard shield driving motor in the position department of one side below that lies in guard shield drive shaft belt pulley, guard shield driving motor and guard shield drive shaft belt pulley between be connected through a belt transmission.

In another specific embodiment of the present invention, the left and right sides behind the pulling plate are respectively formed with a pulling plate sliding groove cooperating with the guide rail, the left and right sides of the middle position of the pulling plate are respectively formed with a hinged plate forward, the lower end of the needle plate seat is respectively provided with a hinged groove corresponding to the hinged plate, the hinged plate is respectively arranged in the corresponding hinged groove and hinged with the needle plate seat through a hinged shaft, the left and right sides of the upper end of the pulling plate are respectively formed with a support plate forward, the support plate is respectively provided with a long hole extending along the front-back direction, the middle of the needle plate seat is provided with a pair of support plate abdicating grooves cooperating with the support plate, the middle of the needle plate seat is also provided with a needle plate seat shaft corresponding to the positions of the support plate abdicating grooves and the long holes, the needle plate seat shaft slides along the front-back direction in the long hole, the needle plate seat shaft is provided with a guide block, the guide block is provided with a guide groove extending upwards from the rear part of the guide block, and the guide groove is provided with a guide shaft.

In another specific embodiment of the present invention, the upper end of the needle plate holder is formed with a needle plate mounting surface, the needle plate is fixed on the needle plate mounting surface through a needle plate fixing member, the needle plate mounting surface is provided with a pair of needle plate mounting surface holes, the needle plate fixing member is provided with a pair of needle plate fixing member screws matched with the needle plate mounting surface holes, the needle plate fixing member is provided with a slot on the upper and lower sides for fixing the needle plate, the upper and lower sides of the needle plate are respectively clamped in the corresponding slots, and the needle plate is detachably mounted on the needle plate.

In another specific embodiment of the present invention, the upper end of the screw motor is connected to a screw rod, the screw rod extends upward and is connected to the slider by a screw thread, the slider is fixed with a slider screw, the rear side of the pulling plate is provided with a pulling plate screw, one end of the spring is connected to the pulling plate screw, and the other end of the spring is connected to the slider screw, the slider is disposed under the pulling plate and abuts against the lower surface of the pulling plate.

In still another specific embodiment of the present invention, the pulling plate is provided with a weight baffle below the needle plate base, and the weight baffle is fixedly connected to the front side of the lower portion of the pulling plate through a pair of weight baffle screws.

The utility model discloses a further a concrete embodiment, the guard shield do not be provided with a set of needle groove for the position punishment of faller interval respectively, the support middle part position department between two adjacent tractive subassemblies fixed with a guard shield spliced pole respectively, the lower extreme of guard shield is connected with the downside of support through screw under a pair of guard shield respectively, the middle part of guard shield is through a set of guard shield on screw and guard shield spliced pole fixed connection.

The utility model discloses a more and a concrete embodiment, the rear side of support is provided with a sensor respectively for the position department of each slider, and this sensor passes through a sensor set screw to be fixed on a sensor support, sensor support's the left and right sides is respectively through a sensor support screw and support fixed connection, the support position department of installing the sensor seted up a sensor groove of stepping down, the sensor be used for detecting the position of the corresponding slider.

In yet another specific embodiment of the present invention, the shield driving motor is fixed at the lower end of the support through a motor fixing plate, a motor shaft pulley is provided on the motor shaft of the shield driving motor, and the motor shaft pulley is connected with the shield driving shaft pulley through a belt.

In yet another specific embodiment of the present invention, the screw motor is fixedly connected to the bracket through a set of screw motor screws, and the screw motor screws pass through the bracket from top to bottom and are connected to the screw motor threads.

The utility model adopts the above structure after, beneficial effect who has: because each traction assembly adopts a structure that the screw motor drives the sliding block independently to drive the corresponding needle plate to move up and down and the front and back positions of the needle plate are controlled by the guide block, the traction range and the traction speed can be adjusted by controlling the work of the screw motor, thereby realizing controllable local traction of the traction device, carrying out traction actions with different speeds on local parts according to different fabrics, greatly simplifying the structure of the traction assembly, reducing the number of parts, effectively reducing the probability of fault risk and prolonging the service life of the traction device.

Drawings

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

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic rear side three-dimensional structure diagram of the embodiment of fig. 1.

In the figure: 1. the device comprises a support, 11 shaft seats, 111 shield driving shafts, 112 shield driving blocks, 113 shield driving shaft pulleys, 114 belts, 12 shield driving motors, 121 motor fixing plates, 122 motor shaft pulleys, 13 shield connecting columns and 14 sensor abdicating grooves, wherein the support is fixedly connected with the support through a bearing; 2. the needle plate fixing piece comprises a pulling assembly, 21 guide rails, 22, a pulling plate, 221, a pulling plate sliding groove, 222, a hinge plate, 223, a support plate, 2231, a long hole, 224, a counterweight baffle plate, 2241, a counterweight baffle plate screw, 225, a pulling plate screw, 23, a needle plate seat, 231, a hinge groove, 232, a hinge shaft, 233, a needle plate seat shaft, 2331, a shaft sleeve, 234, a support plate abdicating groove, 235, a needle plate mounting surface, 2351, a needle plate mounting surface hole, 24, a needle plate, 241, a needle plate fixing piece, 2411, a needle plate fixing piece screw, 2412, a clamping groove, 242, 25, a guide block, 251, a guide groove, 26, a screw motor, 261, a screw, a needle body, a screw motor screw, 27, a sliding block, 271, a sliding block screw, 28, a spring, 29, a sensor, 291, a sensor bracket, 292, a sensor bracket screw, 293 and a sensor fixing screw; 3. shield, 31, shield lower screw, 32, shield upper screw, 33, needle slot.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes made in the form of the present invention rather than the essential changes should be considered as the protection scope of the present invention.

In the following description, any concept relating to the directions or orientations of up, down, left, right, front, and rear is given with respect to the position of the drawing being described, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 1 to 3, the present invention relates to a drawing device of a computerized flat knitting machine, which comprises a support 1, a set of shields 3 disposed along the length direction of the support 1 at intervals, the lower ends of the shields are fixed on the support 1, the upper ends of the shields are movably matched with the support 1, and a set of drawing components 2 are respectively disposed between the support 1 and the shields 3 at intervals.

As the technical essential of the utility model: each of the above-mentioned pulling assemblies 2 includes a guide rail 21 fixed to the frame 1 and extending upward, a pulling plate 22 sliding on the guide rail 21, a needle plate base 23 having a lower end hinged to the middle of the pulling plate 22, a needle plate 24 fixed to the upper end of the needle plate base 23, a pair of guide blocks 25 mounted on the frame 1 and pushing the needle plate base 23 to rotate around the hinged portion of the lower end, a screw motor 26 mounted below the frame 1, a slider 27 driven by the screw motor 26 and capable of sliding up and down along the guide rail 21, and a spring 28 having both ends connected to the pulling plate 22 and the slider 27, respectively.

In this embodiment, a set of axle seats 11 is disposed at an interval at the upper end of the support 1, the upper end of the shield 3 extends backward to the rear side of the axle seats 11 and abuts against the axle seats 11, a shield driving shaft 111 is disposed in the set of axle seats 11, a shield driving block 112 for pushing the shield 3 to move is respectively fixed at a position between the two axle seats 11 on the shield driving shaft 111, please, one end of the shield driving shaft 111 extends outward and forms a shield driving shaft pulley 113 at an end portion, a shield driving motor 12 is fixed at a position below one side of the shield driving shaft pulley 113 on the support 1, and the shield driving motor 12 and the shield driving shaft pulley 113 are in transmission connection through a belt 114.

Referring to fig. 1 in combination with fig. 2, a drawplate sliding groove 221 engaged with the guide rail 21 is formed on each of the left and right sides behind the drawplate 22, a hinge plate 222 is formed forward on each of the left and right sides of the middle position of the drawplate 22, a hinge groove 231 is formed at each of the lower ends of the needle plate bases 23 at positions corresponding to the hinge plates 222, the hinge plates 222 are respectively disposed in the hinge grooves 231 and are hinged to the needle plate bases 23 through hinge shafts 232, a support plate 223 is formed forward on each of the left and right sides of the upper end of the drawplate 22, a long hole 2231 extending in the front-rear direction is formed on each of the support plates 223, a pair of support plate relief grooves 234 engaged with the support plates 223 is formed at the middle of the needle plate bases 23, a needle plate base shaft 233 is further disposed at each of the middle of the needle plate bases 23 at positions corresponding to the support plate relief grooves 234 and the long holes 2231, the needle plate holder shaft 233 slides in the longitudinal direction in the elongated hole 2231, a shaft sleeve 2331 is provided at each of the left and right ends of the needle plate holder shaft 233, a guide groove 251 extending obliquely upward and rearward is provided on the guide block 25 at a side opposite to the needle plate holder shaft 233, and the shaft sleeves 2331 slide in the corresponding guide grooves 251.

In this embodiment, a needle plate mounting surface 235 is formed at the upper end of the needle plate holder 23, the needle plate 24 is fixed on the needle plate mounting surface 235 through a needle plate fixing member 241, a pair of needle plate mounting surface holes 2351 is formed on the needle plate mounting surface 235, a pair of needle plate fixing member screws 2411 matched with the needle plate mounting surface holes 2351 is arranged on the needle plate fixing member 241, a slot 2412 is respectively formed at the upper side and the lower side of the needle plate fixing member 241 for fixing the needle plate 24, the upper side and the lower side of the needle plate 24 are respectively clamped in the corresponding slot 2412, and the needle body 242 is detachably mounted on the needle plate 24.

Further, a screw 261 is drivingly connected to the upper end of the screw motor 26, the screw 261 extends upward and is threadedly connected to the slider 27, a slider screw 271 is fixed to the slider 27, a drawplate screw 225 is disposed at the rear side of the drawplate 22, one end of the spring 28 is connected to the drawplate screw 225, and the other end is connected to the slider screw 271, and the slider 27 is disposed below the drawplate 22 and abuts against the lower surface of the drawplate 22. The drawplate 22 is provided with a counterweight baffle 224 below the needle plate seat 23, the counterweight baffle 224 is fixedly connected with the front side surface below the drawplate 22 through a pair of counterweight baffle screws 2241, and the counterweight baffle 224 can make the drawplate 22 move downwards smoothly to prevent the thread end of the fabric from being hooked on the drawplate 22.

Referring to fig. 1, a plurality of needle grooves 33 are respectively formed at the positions of the shields 3 corresponding to the needle plate 24 at intervals, a shield connecting pole 13 is respectively fixed to the support frame 1 at the middle position between two adjacent pulling assemblies 2, the lower ends of the shields 3 are respectively connected to the lower side surfaces of the support frame 1 through a pair of shield lower screws 31, and the middle of the shields 3 is fixedly connected to the shield connecting pole 13 through a plurality of shield upper screws 32.

Referring to fig. 3, a sensor 29 is respectively disposed at a position of the rear side of the bracket 1 opposite to the slider 27, the sensor 29 is fixed on a sensor bracket 291 by a sensor fixing screw 293, the left and right sides of the sensor bracket 291 are respectively fixedly connected to the bracket 1 by a sensor bracket screw 292, a sensor abdicating groove 14 is formed at a position where the sensor 29 is mounted on the bracket 1, and the sensor 29 detects a position of the corresponding slider 27.

In this embodiment, the shield driving motor 12 is fixed to the lower end of the frame 1 by a motor fixing plate 121, and a motor shaft pulley 122 is disposed on a motor shaft of the shield driving motor 12, and the motor shaft pulley 122 is drivingly connected to the shield driving shaft pulley 113 by a belt 114.

Further, the screw motor 26 is fixedly connected to the bracket 1 through a set of screw motor screws 262, and the screw motor screws 262 are threaded to the screw motor 26 after passing through the bracket 1 from top to bottom.

Referring to fig. 1 in combination with fig. 2 and 3, the drawing devices are generally used in pairs in a computerized flat knitting machine and are respectively arranged below needle beds, a fabric is drawn downwards from between the two needle beds, and the lower end of the fabric is connected with a lifting plate and is drawn by the lifting plate in an auxiliary manner. When the pulling device is needed, firstly, a proper pulling range and a pulling rate are selected according to the size and the material of the fabric, the pulling assembly 2 in the proper range starts to work, the screw motor 26 works to enable the slide block 27 to move downwards at a constant speed, the slide block 27 pulls the spring 28 and the pulling plate 22 to move downwards by the elasticity of the spring 28, the needle plate seat 23 connected with the pulling plate 22 also moves downwards together, the needle plate seat shaft 233 on the needle plate seat 23 slides downwards and forwards along the guide groove 251 of the guide block 25, the needle plate seat shaft 233 slides forwards along the long hole 2231 to enable the needle plate seat 23 to rotate forwards around the hinge shaft 232, the needle plate 24 passes through the needle groove 33 on the shield 3 to perform a downward pulling action on the fabric, then the screw motor 26 works reversely to enable the slide block 27 to move upwards at a constant speed, the slide block 27 abuts against the pulling plate 22 upwards and pushes the pulling plate 22 to move upwards, the needle plate 24 is separated from the fabric by the pulling plate 22 during the moving process, the needle plate holder shaft 233 of the needle plate holder 23 fixed to the pulling plate 22 slides upwards and backwards into the guide groove 251 along the guide groove 251 of the guide block 25, the needle plate holder shaft 233 slides backwards along the long hole 2231 to rotate the needle plate holder 23 backwards around the hinge shaft 232, the needle plate 24 is retracted from the needle groove 33 into the shield 3, at this time, the slider 27 moves to the detection position of the sensor 29, the sensor 29 controls the screw motor 26 to stop working, and the local and controllable pulling process of the fabric by the pulling assembly 2 is realized by repeating the above processes. When the starting plate needs to be lifted, the shield driving motor 12 works and drives the belt 114 and the shield driving shaft belt pulley 113 to rotate, the shield driving shaft belt pulley 113 drives the shield driving shaft 111 and the shield driving block 112 to rotate, the shield driving block 112 rotates backwards and pushes the upper end of the shield 3 to move backwards, a channel through which the starting plate can pass is formed between paired traction devices, the shield driving motor 12 is driven reversely after the lifting of the starting plate is completed, the shield driving block 112 rotates forwards, and the shield 3 returns to the original position through self elasticity.

Claims

1. The utility model provides a computerized flat knitting machine's draw-off gear, includes a support (1), a set of length direction interval along support (1) sets up and the lower extreme is fixed on support (1) and upper end and support (1) clearance fit's guard shield (3), its characterized in that: the needle plate pulling device is characterized in that a group of pulling components (2) are respectively installed between the support (1) and the protective cover (3) at intervals, each pulling component (2) comprises a guide rail (21) which is fixed with the support (1) and extends upwards, a pulling plate (22) which slides on the guide rail (21), a needle plate seat (23) of which the lower end is hinged with the middle of the pulling plate (22), a needle plate (24) which is fixed at the upper end of the needle plate seat (23), a pair of guide blocks (25) which are installed on the support (1) and push the needle plate seat (23) to rotate around the hinged position of the lower end, a screw motor (26) which is installed below the support (1), a sliding block (27) which is driven by the screw motor (26) and can slide up and down along the guide rail (21), and a spring (28) of which the two ends are respectively connected with the pulling plate (22) and the sliding block (27).

2. The pulling device of the computerized flat knitting machine according to claim 1, wherein the upper end of the bracket (1) is provided with a group of shaft seats (11) at intervals, the upper end of the protective cover (3) extends backwards to the rear side of the shaft seat (11) and is abutted against the shaft seat (11), a protective cover driving shaft (111) is arranged in one group of the shaft seats (11), a shield driving block (112) for pushing the shield (3) to move is respectively fixed at the position between the two shaft seats (11) on the shield driving shaft (111), one end of the shield driving shaft (111) extends outwards and is provided with a shield driving shaft pulley (113) at the end part, a shield driving motor (12) is fixed on the bracket (1) at the position below one side of the shield driving shaft pulley (113), the shield driving motor (12) is in transmission connection with the shield driving shaft pulley (113) through a belt (114).

3. The pulling device of the computerized flat knitting machine according to claim 1, wherein the pulling plate (22) is formed with a pulling plate sliding slot (221) at the rear left and right sides thereof respectively, the pulling plate (22) is formed with a hinge plate (222) at the middle left and right sides thereof forward respectively, the needle plate holder (23) is formed with a hinge slot (231) at the lower end thereof corresponding to the hinge plate (222), the hinge plate (222) is respectively disposed in the corresponding hinge slot (231) and is hinged to the needle plate holder (23) through a hinge shaft (232), the pulling plate (22) is formed with a support plate (223) at the upper left and right sides thereof forward respectively, the support plate (223) is formed with a long hole (2231) extending in the front-back direction, the needle plate holder (23) is formed with a pair of support plate offset slots (234) respectively matching with the support plate (223) at the middle thereof, a needle plate seat shaft (233) is further arranged at the position, relative to the support plate abdicating groove (234) and the long hole (2231), of the middle of the needle plate seat (23), the needle plate seat shaft (233) slides in the long hole (2231) in the front-back direction, shaft sleeves (2331) are respectively arranged at the left end and the right end of the needle plate seat shaft (233), a guide groove (251) which extends obliquely and upwards backwards is formed in one side, relative to the needle plate seat shaft (233), of the guide block (25), and the shaft sleeves (2331) respectively slide in the corresponding guide grooves (251).

4. The pulling device of the computerized flat knitting machine according to claim 1, characterized in that a needle plate mounting surface (235) is formed at the upper end of the needle plate seat (23), the needle plate (24) is fixed on the needle plate mounting surface (235) through a needle plate fixing member (241), a pair of needle plate mounting surface holes (2351) are formed on the needle plate mounting surface (235), a pair of needle plate fixing member screws (2411) matched with the needle plate mounting surface holes (2351) are arranged on the needle plate fixing member (241), a clamping groove (2412) is respectively formed at the upper side and the lower side of the needle plate (24) for fixing, the upper side and the lower side of the needle plate (24) are respectively clamped in the corresponding clamping grooves (2412), and the needle plate (242) is detachably mounted on the needle plate (24).

5. The pulling device of the computerized flat knitting machine according to claim 1, characterized in that a screw (261) is drivingly connected to an upper end of the screw motor (26), the screw (261) extends upward and is in threaded connection with the slider (27), a slider screw (271) is fixed to the slider (27), a pulling plate screw (225) is disposed at a rear side of the pulling plate (22), one end of the spring (28) is connected to the pulling plate screw (225), the other end of the spring is connected to the slider screw (271), and the slider (27) is disposed below the pulling plate (22) and abuts against a lower surface of the pulling plate (22).

6. The pulling device of the computerized flat knitting machine according to claim 1, wherein the pulling plate (22) is provided with a counterweight baffle (224) below the needle plate seat (23), and the counterweight baffle (224) is fixedly connected with the front side surface below the pulling plate (22) through a pair of counterweight baffle screws (2241).

7. The pulling device of the computerized flat knitting machine according to claim 1, wherein the shield (3) is provided with a set of needle grooves (33) at intervals at positions corresponding to the needle plate (24), the support (1) is fixed with a shield connecting post (13) at a middle position between two adjacent pulling components (2), the lower end of the shield (3) is connected with the lower side surface of the support (1) through a pair of shield lower screws (31), and the middle of the shield (3) is fixedly connected with the shield connecting post (13) through a set of shield upper screws (32).

8. The pulling device of the computerized flat knitting machine according to claim 1, characterized in that a sensor (29) is respectively arranged at the rear side of the bracket (1) corresponding to the position of each sliding block (27), the sensor (29) is fixed on a sensor bracket (291) through a sensor fixing screw (293), the left side and the right side of the sensor bracket (291) are respectively fixedly connected with the bracket (1) through a sensor bracket screw (292), the bracket (1) is provided with a sensor abdicating groove (14) at the position where the sensor (29) is installed, and the sensor (29) is used for detecting the position of the corresponding sliding block (27).

9. The pulling device of the computerized flat knitting machine according to claim 2, wherein the shield driving motor (12) is fixed at the lower end of the support (1) by a motor fixing plate (121), a motor shaft pulley (122) is arranged on a motor shaft of the shield driving motor (12), and the motor shaft pulley (122) is in transmission connection with the shield driving shaft pulley (113) by a belt (114).

10. The pulling device of the computerized flat knitting machine according to claim 1, characterized in that the screw motor (26) is fixedly connected with the bracket (1) through a set of screw motor screws (262), and the screw motor screws (262) penetrate through the bracket (1) from top to bottom to be in threaded connection with the screw motor (26).