CN108588951B

CN108588951B - Heddle branch mechanism

Info

Publication number: CN108588951B
Application number: CN201810615234.5A
Authority: CN
Inventors: 王国强; 孔垂信; 杨刚; 骆小来; 田柱安
Original assignee: Guangdong Esquel Textiles Co Ltd
Current assignee: Guangdong Esquel Textiles Co Ltd
Priority date: 2018-06-14
Filing date: 2018-06-14
Publication date: 2024-04-30
Anticipated expiration: 2038-06-14
Also published as: CN108588951A

Abstract

The invention discloses a heald wire dividing mechanism. The heddle branch mechanism comprises a first suspension beam, a second suspension beam, a fixed support and a swing driving component, wherein the first suspension beam and the second suspension beam are connected to the fixed support, one end of the first suspension beam is used for butt joint of a heald frame suspension beam, one end of the second suspension beam is used for butt joint of a heald frame suspension beam, one end of the first suspension beam, which is used for butt joint of the heald frame suspension beam, and one end of the second suspension beam, which is used for butt joint of the heald frame suspension beam, are mutually close, the other end of the first suspension beam is used for connecting with a first arraying support of the arraying mechanism, and the other end of the second suspension beam is used for connecting with a second arraying support of the arraying mechanism; the swinging driving part is connected with the fixed support and is used for driving the fixed support to swing back and forth on the horizontal plane and in the direction perpendicular to the heald frame cantilever beam. The heddle dividing mechanism can automatically divide the split heddles.

Description

Heddle branch mechanism

Technical Field

The invention relates to the field of textiles, in particular to a heddle dividing mechanism.

Background

In a weaving workshop of the textile industry, healds are required to be alternately arranged on the same heald frame in a positive and negative way due to the requirement of a loom, so that the weaving process can be smoothly carried out. Before weaving, each yarn needs to be firstly worn, and the currently used automatic heald-wearing machine is used for propelling unidirectional heald sequences, so that after weaving is finished, before automatic heald-wearing, the heald sequences which are alternately arranged on the original heald frame in front and back are detached and separated and are arranged into unidirectional heald sequences, the unidirectional heald sequences can be used by the automatic heald-wearing machine, the current heald splitting is manually completed by a simple tool, the workload is large, and the degree of automation is low.

Disclosure of Invention

Based on this, it is necessary to provide a heddle dividing mechanism that can be used for automatic dividing of heddles.

The heddle branch mechanism comprises a first suspension beam, a second suspension beam, a fixed support and a swing driving part, wherein the first suspension beam and the second suspension beam are connected to the fixed support, one end of the first suspension beam is used for butt joint of a heald frame suspension beam, one end of the second suspension beam is used for butt joint of a heald frame suspension beam, one end of the first suspension beam, which is used for butt joint of the heald frame suspension beam, and one end of the second suspension beam, which is used for butt joint of the heald frame suspension beam, are mutually close, the other end of the first suspension beam is used for connecting a first arraying support of the arraying mechanism, and the other end of the second suspension beam is used for connecting a second arraying support of the arraying mechanism; the swinging driving part is connected with the fixed support and is used for driving the fixed support to swing back and forth on the horizontal plane and in the direction perpendicular to the heald frame cantilever beam.

In one embodiment, the ends of the first and second suspension beams that are brought together are flush.

In one embodiment, the number of the first suspension beams is two, the two first suspension beams are opposite on the fixed support, and the two first suspension beams are respectively used for butting two heald frame suspension beams which are distributed at upper and lower positions on the heald frame;

The number of the second suspension beams is two, the two second suspension beams are opposite on the fixed support, and the two second suspension beams are respectively used for butt joint of two heald frame suspension beams which are distributed at upper and lower positions on the heald frame.

In one embodiment, the device further comprises a branching guide rail, the branching guide rail is arranged on the machine table, the fixed support is connected to the branching guide rail in a sliding mode, and the fixed support can reciprocate on the branching guide rail.

In one embodiment, the number of the branching guide rails is two, the two branching guide rails are arranged on the machine table, the two branching guide rails are distributed at upper and lower positions, and the upper end and the lower end of the fixing support are respectively and slidably connected to the two branching guide rails.

In one embodiment, the device further comprises a swinging rod, a cam and a reset component, wherein one end of the swinging rod is connected to the fixed support, the other end of the swinging rod is in contact fit with the periphery of the cam, the swinging driving component is connected to the cam and used for driving the cam to rotate, one end of the reset component is connected to the directional guide rail, the other end of the reset component is connected to the fixed support, and when the protruding part of the cam ejects out of the swinging rod and is far away from the swinging rod, the reset component is used for resetting the swinging rod.

In one embodiment, the reset component comprises a spring and a fixed block, the fixed block is fixed on the branch guide rail, one end of the spring is connected with the fixed block, the other end of the spring is connected with the fixed bracket, and the expansion direction of the spring is parallel to the swinging rod.

In one embodiment, the device further comprises limiting cylinders, the number of the limiting cylinders is matched with that of the swinging rods, each limiting cylinder is connected to the machine table, and each limiting cylinder is sleeved on the corresponding swinging rod.

In one embodiment, the number of the swing rods and the number of the cams are multiple, the swing rods are in one-to-one correspondence with the cams, the swing rods are located in the same vertical plane, and the swing rods are parallel.

The heald branching mechanism can automatically branch and collect the forward heald and the reverse heald, the forward heald enters the first suspension beam, the reverse heald enters the second suspension beam, the traditional manual classification and arrangement procedures are saved, time and force are saved, and the branching efficiency is high. Specifically, when the positive heddle is sent from the whole arrangement mechanism, the swing driving part drives the fixed support to move until the first hanging beam is abutted against the hanging beam of the heddle frame, the positive heddle enters the first hanging beam under the stirring of the external stirring mechanism, when the next reverse heddle is sent from the whole arrangement mechanism, the swing driving part drives the fixed support to reset until the second hanging beam is abutted against the hanging beam of the heddle frame, the reverse heddle enters the second hanging beam under the stirring of the external stirring mechanism, and thus, the positive heddle and the reverse heddle are separated and enter the wind direction mechanism, and the swing driving part drives the fixed support to swing reciprocally, so that the first hanging beam and the second hanging beam are abutted against the hanging beam of the heddle frame.

Drawings

Fig. 1 is a schematic structural view of a heddle splitting and arraying machine according to an embodiment;

FIG. 2 is a schematic view of the heddle module shown in FIG. 1 at an alternative angle;

FIG. 3 is a schematic top view of the heddle module shown in FIG. 1;

FIG. 4 is a schematic view of the splitting mechanism, harness splitting mechanism and harness frame of the harness split array machine of FIG. 1;

FIG. 5 is a schematic view showing the cooperation of the splitting mechanism shown in FIG. 1 with a heald frame;

FIG. 6 is a schematic view of a portion of the splitting mechanism of FIG. 5;

FIG. 7 is a schematic view of the heald dividing mechanism of the heald splitting and arraying machine of FIG. 1 mated with a heald frame;

figure 8 is a schematic side view of a heald frame.

Description of the reference numerals

10. A heddle splitting and arraying machine; 100. a machine table; 200. a feeding mechanism; 210. a clamping member; 211. clamping claws; 212. a jaw drive member; 220. a heald frame driving unit; 230. a feeding arm; 240. a feeding driving part; 250. a feeding bracket; 260. a feeding guide rail; 300. a splitting mechanism; 330. the first material stirring component; 331. the first material stirring arm; 332. the first material stirring wheel; 340. the second material stirring component; 341. the second material stirring arm; 342. the second material stirring wheel; 350. a kick-out driving part; 360. a first split lever; 370. a second split lever; 380. a third split lever; 390. a fourth split lever; 3100. a fifth split lever; 3110. splitting the transmission belt; 3120. a crank; 3130. a first spring arm; 3140. a first spring pressing rod; 3150. the second spring pressing arm; 3160. a second spring pressing rod; 3170. a first brush bar; 3180. a second brush bar; 3190. a first brush; 3200. a second brush; 3210. a brush drive belt; 3220. a reversing lever; 3230. a reversing gear; 3240. the first material stirring rod; 3250. a second material stirring rod; 3260. a first pinch roller; 3270. a second spring pressing wheel; 3280. a split wheel; 400. an alignment mechanism; 410. arranging seats; 420. a first array of brackets; 430. a second array of brackets; 440. a first array of arms; 450. a second array of arms; 460. an entire row driving section; 470. a whole row of driving belts; 480. arranging transmission shafts; 490. a first alignment bar; 4100. a second alignment bar; 4110. a whole row of guide rails; 4120. arranging screw rods; 4130. arranging slide blocks; 4140. the whole row seat driving part; 4150. a transitional cantilever beam; 500. a feeding mechanism; 510. a feeding clamping seat; 520. a feeding driving part; 530. a feeding screw rod; 540. a feeding transmission belt; 600. a control mechanism; 700. a heddle branching mechanism; 710. a first cantilever beam; 720. a second cantilever beam; 730. a fixed bracket; 740. dividing guide rails; 750. a swinging rod; 760. a cam; 20. a heald frame; 201. a heald frame cantilever beam; 202. a positive heddle; 203. reverse heddles.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an embodiment of the present invention provides a heddle splitting and arraying machine 10, where the heddle splitting and arraying machine 10 includes a machine table 100, a feeding mechanism 200, a heddle splitting mechanism 300, an arraying mechanism 400, and a control mechanism 600.

Referring to fig. 1 and 2, the feeding mechanism 200 includes a clamping member 210, a heald frame driving member 220, a feeding arm 230, and a feeding driving member 240. The heald frame driving part 220 is provided on the machine frame 100 and connected to the clamping part 210, and the heald frame driving part 220 is connected to the clamping part 210 and is used for driving the clamping part 210 to move. The clamping member 210 is used for clamping the heald frame 20. The feeding driving part 240 is disposed on the machine 100 and connected to the feeding arm 230, and the feeding driving part 240 is used for driving the feeding arm 230 to drive the heald wires on the heald frame 20 to move forward.

The control mechanism 600 is electrically connected to the heald frame driving unit 220 and the feeding driving unit 240. The heald frame driving part 220 and the feeding driving part 240 may be driving motors.

Referring to fig. 5, the heddle-dividing mechanism 700 includes a first suspension beam 710, a second suspension beam 720, a fixing bracket 730, and a swing driving part. The first suspension beam 710 and the second suspension beam 720 are both connected to the fixing bracket 730, one end of the first suspension beam 710 and one end of the second suspension beam 720 are close to and flush with each other, and the end of the first suspension beam 710 and the end of the second suspension beam 720 are respectively used for butt joint of heald frame suspension beams. The swing driving part is connected to the fixed bracket 730, and is used for driving the fixed bracket 730 to swing reciprocally.

Referring to fig. 6, the heddle splitting mechanism 300 comprises a first material pulling member 330, a second material pulling member 340, and a material pulling driving member 350.

The material-shifting driving part 350 is connected to the first material-shifting part 330 for driving the first material-shifting part 330 to shift the positive heddle 202 on the heald frame hanging beam 201 into the first hanging beam 710, and the material-shifting driving part 350 is also connected to the second material-shifting part 340 for driving the second material-shifting part 340 to shift the negative heddle 203 on the heald frame hanging beam 201 into the second hanging beam 720.

Referring to fig. 5, the first and second suspension beams 710 and 720 may each have a strip shape, and the first and second suspension beams 710 and 720 may be bent. The number of the first suspension beams 710 may be two, and the two first suspension beams 710 are respectively located at the upper and lower positions, and the two first suspension beams 710 respectively correspond to the heald frame suspension beams 201 at the upper and lower positions of the heald frame 20. The number of second suspension beams 720 is identical to the number of first suspension beams 710, such as two. The two second suspension beams 720 are respectively located at the upper and lower positions, and the two second suspension beams 720 respectively correspond to the heald frame suspension beams 201 at the upper and lower positions of the heald frame 20. One end of the upper first suspension beam 710 and one end of the upper second suspension beam 720 are closed and are used to interface with the upper heald frame suspension beam 201 of the heald frame 20. One end of the lower first suspension beam 710 and one end of the lower second suspension beam 720 are brought together and are used for interfacing with the lower heald frame suspension beam 201 of the heald frame 20.

The control mechanism 600 is electrically connected to the kick-out driving part 350. The kick-out driving part 350 may be a driving motor.

The alignment mechanism 400 includes an alignment seat 410, a first alignment bracket 420, a second alignment bracket 430, a first alignment arm 440, a second alignment arm 450, and an alignment drive member 460. The first and second alignment brackets 420 and 430 are disposed on the alignment seat 410, one end of the first alignment bracket 420 is abutted with the other end of the first cantilever beam 710, and one end of the second alignment bracket 430 is abutted with the other end of the second cantilever beam 720. The whole row driving part 460 is arranged on the whole row seat 410 and connected with the first whole row arm 440 for driving the first whole row arm 440 to shift the positive heddle 202 on the first cantilever beam 710 to the first whole row bracket 420, and the whole row driving part 460 is also connected with the second whole row arm 450 for driving the second whole row arm 450 to shift the reverse heddle 203 on the second cantilever beam 720 to the second whole row bracket 430. Preferably, the number of the entire sockets 410 may be one or two, and in fig. 1-3, two entire sockets 410 are shown.

In a specific example, the heddle splitting mechanism further comprises a transition cantilever beam 4150. One end of the first suspension beam 710 and one end of the second suspension beam 720 are respectively butted with the heald frame suspension beam 201 of the heald frame 20 through the transition suspension beam 4150. The two transition hanging beams 4150 are respectively fixed on the lower side of the heald frame and the upper side of the heald frame, are connected with the heald hanging beams of the heald frame for transition, and the separated single-side forward heald wire or the separated single-side reverse heald wire enters the area of the transition hanging beam 4150 so as to prepare for the subsequent single-side heald wire to be split. In addition, the upper and lower sides of the distal end of the transition cantilever beam 4150 each have wedge-shaped grooves for aligned engagement with a heddle-dividing mechanism 700 described below. The other ends of the first and second suspension beams 710 and 720 are dispersed such that the first and second suspension beams 710 and 720 have a horn opening shape.

Referring to fig. 5, the first cantilever beam 710 and the second cantilever beam 720 are connected to the fixed support 730, and the swing driving unit is connected to the fixed support 730, and the swing driving unit can drive the fixed support 730 to swing laterally in a horizontal plane, that is, swing left and right, and the swing direction of the fixed support 730 is perpendicular to the advancing direction of the heald on the heald frame.

The other end of the first cantilever beam 710 and the other end of the second cantilever beam 720 are spaced apart from each other.

The number of the first suspension beams 710 is two, the two first suspension beams 710 are distributed at the upper and lower positions on the fixed support 730, and the two first suspension beams 710 are respectively used for butt-jointing the two heald frame suspension beams distributed at the upper and lower positions on the heald frame. The number of the second suspension beams 720 is two, the two second suspension beams 720 are distributed at the upper and lower positions on the fixed support 730, and the two second suspension beams 720 are respectively used for butting two heald frame suspension beams distributed at the upper and lower positions on the heald frame.

Referring to fig. 5, the heddle branching mechanism 700 also includes a branching guide 740. The branching guide 740 is configured to be disposed on a machine, the fixed support 730 is slidably connected to the branching guide 740, and the fixed support 730 can reciprocate on the branching guide 740.

The number of the branching guide rails 740 is two, the two branching guide rails 740 are both arranged on the machine table, the two branching guide rails 740 are distributed at the upper and lower positions, and the upper end and the lower end of the fixed support 730 are respectively and slidably connected to the two branching guide rails 740.

Referring to fig. 5, the heddle-switching mechanism 700 also includes a swing lever 750, a cam 760, and a reset member, which is not shown. One end of the swinging rod 750 is connected to the fixed support 730, the other end of the swinging rod 750 is in contact fit with the periphery of the cam 760, the swinging driving component is connected to the cam 760 and is used for driving the cam 760 to rotate, one end of the resetting component is connected to the branch guide rail 740, the other end of the resetting component is connected between the fixed parts, and the resetting component is used for resetting the swinging rod 750 when the protruding part of the cam 760 is pushed out of the swinging rod 750 and is far away from the swinging rod 750.

The return member comprises a spring and a fixed block, which are not shown in the figures. The fixed block is fixed on the branch guide 740, one end of the spring is connected to the fixed block, the other end of the spring is connected to the fixed bracket 730, and the expansion direction of the spring is parallel to the swing lever 750.

The number of the swing levers 750 and the number of the cams 760 are plural. The plurality of swing levers 750 are in one-to-one correspondence with the plurality of cams 760, the plurality of swing levers 750 are positioned in the same vertical plane, and the plurality of swing levers 750 are parallel.

The heddle switching mechanism 700 also includes a limiting cylinder, none of which are shown in the figures. The number of the limiting cylinders is matched with that of the swinging rods 750, each limiting cylinder is connected to the machine table, and each limiting cylinder is sleeved on the corresponding swinging rod 750.

The heddle branching mechanism 700 can automatically collect forward heddles and reverse heddles in a branching mode, the forward heddles enter the first suspension beams 710, the reverse heddles enter the second suspension beams 720, the traditional manual classification and arrangement procedures are saved, time and force are saved, and branching efficiency is high. Specifically, when the positive heddle is sent from the arraying mechanism, the swing driving component drives the fixed support 730 to move until the first hanging beam 710 is abutted against the hanging beam of the heddle frame, the positive heddle enters the first hanging beam 710 under the stirring of the external stirring mechanism, when the next negative heddle is sent from the arraying mechanism, the swing driving component drives the fixed support 730 to reset until the second hanging beam 720 is abutted against the hanging beam of the heddle frame, the negative heddle enters the second hanging beam 720 under the stirring of the external stirring mechanism, and thus, the positive heddle and the negative heddle are separated at intervals and enter the wind direction mechanism, and the swing driving component drives the fixed support 730 to swing reciprocally, so that the first hanging beam 710 and the second hanging beam 720 are abutted against the hanging beam of the heddle frame at intervals.

The control mechanism 600 is electrically connected to the whole row driving unit 460. The whole column driving part 460 may be a driving motor.

In a specific example, the heddle splitting whole array machine 10 further comprises a feeding mechanism 500.

Referring to fig. 3, the feeding mechanism 500 includes a feeding cartridge 510 and a feeding driving part 520. The number of the feeding clamping seats 510 is multiple, and the upper surface of the feeding clamping seat 510 is provided with a plurality of clamping grooves which are sequentially arranged and used for clamping the heald frames 20. The feeding card holders 510 are sequentially arranged on the machine 100, and the feeding driving part 520 is arranged on the machine 100 and connected to the feeding card holders 510 for driving the heald frame 20 to move by driving the feeding card holders 510 to move, wherein the moving direction of the feeding driving part 520 driving the feeding card holders 510 is vertical to the moving direction of the heald frame 20 driven by the heald frame driving part 220. The control mechanism 600 is electrically connected to the whole row driving unit 460. The whole column driving part 460 may be a driving motor.

The heald splitting and arraying machine 10 is further provided with a feeding mechanism 500. The upper surface of the feeding clamping seat 510 of the feeding mechanism 500 is provided with a plurality of clamping grooves which are sequentially arranged and are used for clamping heald frames 20, namely, the feeding clamping seat 510 can prevent a plurality of heald frames 20 which are arranged side by side, when healds on one heald frame 20 are split and arranged to form empty heald frames 20, the feeding driving part 520 drives the feeding clamping seat 510 to move to drive the heald frames 20 to move to a position, the empty heald frames 20 move out of the original position, and the next heald frame 20 moves into the position of the clamping part 210, so that continuous split and arrangement of a plurality of heald frames 20 can be realized.

In a specific example, referring to fig. 3, the feeding mechanism 500 further includes a feeding screw 530, a feeding slider, and a feeding belt 540. Each loading cartridge 510 has a loading slide attached thereto, which is not shown in fig. 3. And each feeding slide block is penetrated with a feeding screw rod 530, and each feeding screw rod 530 is in threaded connection with the corresponding feeding slide block. The plurality of feeding screws 530 are connected through a feeding belt 540, and the feeding driving part 520 is connected to at least one feeding screw 530 for driving the feeding screw 530 to rotate.

In a specific example, referring to fig. 1, the feeding mechanism 200 further includes a feeding support 250 and a feeding guide rail 260. The feeding support 250 is connected to the machine 100, the feeding guide rail 260 is disposed on the feeding support 250 and located above the machine 100, the feeding arm 230 is slidably connected to the feeding guide rail 260, the feeding driving part 240 is connected to the feeding arm 230 for driving the feeding arm 230 to move along the feeding guide rail 260, and the heald frame driving part 220 is connected to the feeding support 250.

In a specific example, clamping component 210 includes clamping jaw 211 and jaw drive element 212. A jaw drive element 212 is connected to the heald frame drive 220 and to the clamping jaw 211, the jaw drive element 212 being used to drive the clamping jaw 211 to clamp or release the heald frame 20.

Control mechanism 600 is electrically coupled to jaw drive member 212. Jaw drive member 212 may be a drive motor.

In a specific example, referring to FIG. 1, the alignment mechanism 400 further includes an alignment seat drive component 4140. The whole row seat driving part 4140 is disposed on the machine 100 and connected to the whole row seat 410, and the whole row seat driving part 4140 is used for driving the whole row seat 410 to move.

The control mechanism 600 is electrically connected to the whole row seat driving part 4140. The entire column seat driving part 4140 may be a driving motor.

In a specific example, the alignment mechanism 400 further includes an alignment rail 4110, an alignment lead screw 4120, and an alignment slider 4130. An array of sliders 4130 are attached to the array mount 410. The alignment slide 4130 is slidably coupled to the alignment rail 4110. The whole row of lead screws 4120 are arranged in the whole row of sliding blocks 4130 in a penetrating mode and are in threaded connection with the whole row of sliding blocks 4130, and the whole row of seat driving components 4140 are connected to the whole row of lead screws 4120 and used for driving the whole row of lead screws 4120 to rotate.

In a specific example, the alignment mechanism 400 further includes an alignment belt 470, an alignment drive shaft 480, a first alignment bar 490, a first alignment wheel, a second alignment bar 4100, and a second alignment wheel. The first alignment wheel is sleeved on the first alignment rod 490, the first alignment arm 440 is connected to the first alignment wheel, and the first alignment rod 490 is connected to the alignment transmission shaft 480 through the alignment transmission belt 470. The second alignment wheel is sleeved on the second alignment bar 4100, and the second alignment arm 450 is connected to the second alignment wheel. The second array bar 4100 is connected to an array drive shaft 480 by an array drive belt 470. The alignment driving unit 460 is connected to the alignment driving shaft 480 for driving the first alignment lever 490 and the second alignment lever 4100 to rotate by driving the alignment driving shaft 480 to rotate.

The heald splitting and arraying machine 10 is provided with an arraying belt 470, an arraying transmission shaft 480, a first arraying rod 490, a first arraying wheel, a second arraying rod 4100 and a second arraying wheel, and the arraying driving component 460 is used for driving the first arraying rod 490 and the second arraying rod 4100 to rotate by driving the arraying transmission shaft 480 to rotate, and the arraying driving component 460 can simultaneously drive the first arraying rod 490 and the second arraying rod 4100 to rotate, and can drive the first arraying rod 490 and the second arraying rod 4100 to rotate by one driving component, so that the arraying and collecting of the forward healds 202 and the reverse healds 203 can be realized.

In a specific example, the first material stirring component 330 includes a first material stirring rod 3240 disposed on the machine 100 and a first material stirring wheel 332 sleeved on the first material stirring rod 3240. The circumference of the first material stirring wheel 332 is connected with a first material stirring arm 331, the first material stirring rod 3240 is located at the outer side of the first cantilever 710, and the material stirring driving component 350 is connected to the first material stirring rod 3240 and is used for driving the first material stirring arm 331 to rotate by driving the first material stirring rod 3240 to rotate.

The second material stirring component 340 includes a second material stirring rod 3250 disposed on the machine 100, and a second material stirring wheel 342 sleeved on the second material stirring rod 3250. The second material stirring arm 341 is connected to the periphery of the second material stirring wheel 342, the second material stirring rod 3250 is located at the outer side of the second cantilever 720, and the material stirring driving part 350 is connected to the second material stirring rod 3250 and is used for driving the second material stirring arm 341 to rotate by driving the second material stirring rod 3250 to rotate.

In a specific example, referring to fig. 4 and 7, the heddle splitting mechanism 300 further includes a first pressing and elastic member, a second pressing and elastic member, a first splitting lever 360, a second splitting lever 370, a third splitting lever 380, a fourth splitting lever 390, a fifth splitting lever 3100, a first reversing lever 3220, a second reversing lever 3220, and a splitting belt 3110. The material pulling driving part 350 is connected to the first splitting lever 360 to drive the first splitting lever 360 to rotate, the second splitting lever 370 is connected to the first splitting lever 360 through a crank 3120, the third splitting lever 380 is connected to the first splitting lever 360 through a splitting transmission belt 3110, the fourth splitting lever 390 is connected to the second splitting lever 370 through a splitting transmission belt 3110, reversing gears 3230 are respectively sleeved on the third splitting lever 380 and the reversing lever 3220, the fifth splitting lever 3100 is connected to the reversing lever 3220 through a splitting transmission belt 3110, the third splitting lever 380 is meshed with the two reversing gears 3230 on the reversing lever 3220, the first material pulling lever 3240 is connected to the third splitting lever 380 through a splitting transmission belt 3110, the second material stirring rod 3250 is connected with the fifth splitting rod 3100 through a splitting transmission belt 3110, the first material stirring rod 3240 and the second material stirring rod 3250 are distributed in a staggered mode, when the first material stirring arm 331 and the second material stirring arm 341 are in an initial state, the first material stirring arm 331 is parallel to the second material stirring arm 341, the extending direction of the first material stirring rod 3240 and the extending direction of the second material stirring rod 3250 are parallel, the first elastic pressing component is connected with the second splitting rod 370, the second elastic pressing component is connected with the fourth splitting rod 390, and in the initial state, the first material stirring arm 331 is parallel to the second material stirring arm 341 and the end of the first material stirring arm 331 faces opposite to the end of the second material stirring arm 341.

In a specific example, referring to fig. 4 and 6, the first elastic pressing member has a first elastic pressing rod 3140 and a first elastic pressing arm 3130, and the second elastic pressing member has a second elastic pressing rod 3160 and a second elastic pressing arm 3150. The first and second ram arms 3130 and 3150 are rotatable in the same horizontal plane. In the reset state, the first and second pressing arms 3130 and 3150 are perpendicular. When the first pressing arm 3130 rotates to be parallel to the heald frame cantilever beam, the second pressing arm 3150 rotates to be perpendicular to the heald frame cantilever beam and the end of the second pressing arm 3150 can be pressed into the interval between the forward heddle and the reverse heddle on the heald frame cantilever beam, when the second pressing arm 3150 rotates to be parallel to the heald frame cantilever beam, the first pressing arm 3130 rotates to be perpendicular to the heald frame cantilever beam and the end of the first pressing arm 3130 can be pressed into the interval between the forward heddle and the reverse heddle on the heald frame cantilever beam, when the first pressing arm 3130 rotates to be parallel to the heald frame cantilever beam, the end of the second pressing arm 3150 rotates to be directed into the interval between the forward heddle and the reverse heddle on the heald frame cantilever beam, and when the second pressing arm 3150 rotates to be parallel to the heald frame cantilever beam, the end of the second pressing arm 3150 rotates to be directed into the interval between the forward heddle and the reverse heddle on the heald frame cantilever beam.

Then, when the second elastic pressing arm 3150 reversely rotates and resets, the forward heddle or the reverse heddle can be ejected under the action of elastic potential energy so as to split the forward heddle and the reverse heddle; the first pressing arm 3130 can make the forward heddle or the reverse heddle pop up under the action of elastic potential energy to separate the forward heddle and the reverse heddle when the reverse rotation is reset. The rotation range of the first and second pressing arms 3130 and 3150 is preferably in the range of 90 °, for example, 90 °. The first pressing arm 3130 is rotated by 90 ° and then pressed into the space between the forward heddle and the reverse heddle, and then the second pressing arm 3150 is rotated by 90 ° and then pressed into the space between the next forward heddle and the reverse heddle, and the cycle is performed. The reverse rotation of the first pressing arm 3130 after 90 ° rotation, i.e., the reverse rotation of the second pressing arm 3150 after 90 ° rotation, is achieved through the crank 3120.

Referring to fig. 7, the first pressing and ejecting rod 3140 and the second pressing and ejecting rod 3160 are both disposed on the machine and distributed in a staggered manner, the first pressing and ejecting arm 3130 and the second pressing and ejecting arm 3150 are in a staggered state in the same horizontal plane, and the first pressing and ejecting rod 3140 and the second pressing and ejecting rod 3160 can synchronously rotate. Preferably, the first pressing bar 3140 is connected to the second splitting bar 370 through the splitting belt 3110, the first pressing arm 3130 is connected to the first pressing bar 3140, and the first pressing arm 3130 is located outside the first cantilever beam 710. The second elastic pressing member has a second elastic pressing rod 3160 and a second elastic pressing arm 3150, the second elastic pressing rod 3160 is connected with the fourth split lever 390 through the split driving belt 3110, the second elastic pressing arm 3150 is connected to the second elastic pressing rod 3160, and the second elastic pressing arm 3150 is located outside the second cantilever 720.

In a specific example, referring to fig. 7, the first and second elastic pressing members include a first elastic pressing wheel 3260 and a second elastic pressing wheel 3270, respectively. The first elastic pressing wheel 3260 is sleeved on the first elastic pressing rod 3140, the first elastic pressing arm 3130 is connected to the periphery of the first elastic pressing wheel 3260, the second elastic pressing wheel 3270 is sleeved on the second elastic pressing rod 3160, and the second elastic pressing arm 3150 is connected to the periphery of the second elastic pressing wheel 3270. More preferably, the first bullet pressing wheel 3260 has a first connection groove on its circumference, the first bullet pressing wheel 3260 is connected to the second separation rod 370 through a separation driving belt, and the separation driving belt is embedded in the first connection groove. The second elastic pressing wheel 3270 has a second connecting groove on its periphery, the second elastic pressing wheel 3270 is connected with the fourth split lever 390 via a split driving belt, and the split driving belt is embedded in the second connecting groove. The first spring pressing wheel 3260 is sleeved on the first spring pressing rod 3140, and the second spring pressing wheel 3270 is sleeved on the second spring pressing rod 3160. The first and second spring pressing wheels 3260 and 3270 are symmetrically distributed on the left and right sides of the transition cantilever 4150. The ends of the first pressing spring arm 3130 and the second pressing spring arm 3150 are respectively in a hook shape, so that hooks of the first pressing spring arm 3130 and the second pressing spring arm 3150 can conveniently rotate to designated positions respectively and are pressed into gaps between the forward heddles and the reverse heddles, so that heddles on one side are blocked, heddles on the other side are smoothly ejected, the initial positions of the first pressing spring arm 3130 and the second pressing spring arm 3150 are in positions of about 90 degrees, and synchronous rotation can be realized under the driving of a crank 3120. The method specifically comprises the following steps of: the first pressing arm 3130 and the second pressing arm 3150 are alternately pressed into gaps between the positive heddle and the negative heddle by driving the crank 3120, so that the pressed heddle on one side is elastically deformed, when the first pressing arm 3130 or the second pressing arm 3150 on the side is reset, the second pressing arm 3150 or the first pressing arm 3130 on the other side rotates to a designated position to press the heddle on the other side, and the elastic deformation of the heddle on the side is instantaneously restored in the resetting process of the first pressing arm 3130 or the second pressing arm 3150, and is instantaneously separated from the original heddle sequence by a certain distance under the action of elastic potential energy, so that one-side heddle separation is realized, and the first pressing arm 3130 and the second pressing arm 3150 alternately press the heddle on one side in sequence, so that the unidirectional heddle is continuously separated from the original heddle sequence.

Referring to fig. 7, in position, the first material pulling arm 331 is located below the first pressing arm 3130, and the second material pulling arm 341 is located below the second pressing arm 3150. The first material pulling arms 331 are located on the left side and the right side of the heald wire, the first material pulling arms 331 are located on the first material pulling arms 3130 at a certain angle all the time, when the first material pulling arms 3130 are reset after leaving the positive heald wire so that the positive heald wire rebounds to be separated from the original heald wire sequence, the first material pulling arms 331 on the same side can pull the rebounded positive heald wire out of a longer distance after the first material pulling arms 3130, and the secondary separation of the single-side positive heald wire is realized. Similarly, the second pressing arm 3150 and the second material pulling arm 341 operate as described above.

In a specific example, referring to fig. 7, the heddle splitting mechanism 300 further includes a splitting drive wheel 3280. The first split lever 360, the second split lever 370, the third split lever 380 and the fourth split lever 390 are respectively sleeved with the split driving wheel 3280, the second split lever 370 is connected with the first split lever 360 through a crank 3120, the split driving wheel 3280 on the third split lever 380 is connected with the split driving wheel 3280 on the first split lever 360 through a corresponding split driving belt, and the split driving wheel 3280 on the fourth split lever 390 is connected with the split driving wheel 3280 on the second split lever 370 through a corresponding split driving belt.

Preferably, as shown in fig. 5, for convenience of operation, each cam 760 is sleeved on a cam rod, the cam rod is connected with the first detaching lever 360 through a conveyor belt, and the swing driving part may be replaced by the kick-out driving part 350, that is, the kick-out driving part 350 synchronously drives the swing of the fixing base bracket 4160. The rotation of the second detaching lever 370 can rotate by the cam 760 and drive the fixing bracket 730 to swing laterally. The fixing bracket 730 swings laterally and leftwards to drive one end of the first suspension beam 710, which is close to the second suspension beam 720, to be butted with the transition suspension beam 4150 in a staggered manner. The first suspension beam 710 may be used to separate the forward heddle when it is docked with the transition suspension beam 4150 and the second suspension beam 720 may be used to separate the reverse heddle when it is docked with the transition suspension beam 4150. The first suspension beam 710 and the second suspension beam 720 driven by the fixing support 730 swing left and right and the material-shifting driving part 350 are synchronously and coordinately moved, and each separated single-side forward heddle slides over the transition suspension beam 4150 to enter the first suspension beam 710 and the first whole row arm 440 just butted with the transition suspension beam 4150, and each separated single-side reverse heddle slides over the transition suspension beam 4150 to enter the second suspension beam 720 and the second whole row arm 450 just butted with the transition suspension beam 4150.

In a specific example, referring to fig. 4, the heddle splitting mechanism 300 further comprises a first brush bar, a second brush bar, a first brush, a second brush, and a brush belt. The first brush is sleeved and connected to the first brush rod, and the first brush rod is connected with the third split rod 380 through a brush driving belt. The second brush is sleeved and connected on the second brush rod, and the second brush rod is connected with the fifth split rod 3100 through a brush driving belt. The first brush and the second brush are respectively positioned at both sides of the first cantilever 710 and the second cantilever 720. The first brush is rotated to sweep the positive heddle 202. The second brush is used to sweep the reverse heddle 203 by rotating. The arrangement of the first brush and the second brush can improve the splitting efficiency of the forward heddle 202 and the reverse heddle 203.

The first splitting lever 360, the second splitting lever 370, the third splitting lever 380, the fourth splitting lever 390, the fifth splitting lever 3100, the first pressing and ejecting lever 3140, the second pressing and ejecting lever 3160, the first material shifting lever 3240 and the second material shifting lever 3250 are all arranged on the machine and can rotate relative to the machine. The above-mentioned material-pulling driving component 350 of the heald splitting and arraying machine 10 can synchronously drive the first splitting rod 360, the second splitting rod 370, the third splitting rod 380, the fourth splitting rod 390, the fifth splitting rod 3100, the first material-pulling rod 3140, the second material-pulling rod 3160, the first material-pulling rod 3240 and the second material-pulling rod 3250 to synchronously rotate, and relatively dislocation distribution of the first splitting rod 360, the second splitting rod 370, the third splitting rod 380, the fourth splitting rod 390, the fifth splitting rod 3100, the first material-pulling rod 3140, the second material-pulling rod 3160, the first material-pulling rod 3240 and the second material-pulling rod 3250 can be realized, and the interval material-pulling between the first material-pulling arm 331 and the second material-pulling arm 341, and the interval material-pulling between the first material-pulling arm 3130 and the second material-pulling arm 3150 can be used for pulling the gaps between the forward heald 202 and the reverse heald 203.

In a specific example, control mechanism 600 may be a PLC. The control mechanism 600 includes a controller and a touch display.

When the heddle splitting and arraying machine 10 is used for splitting and arraying the forward heddles 202 and the reverse heddles 203 on the heald frame 20, the method comprises the following steps:

The heald frames 20 are respectively embedded in the clamping grooves on the upper surface of the feeding clamping seat 510, and the control mechanism 600 controls the feeding driving component 520 to drive the feeding screw 530 to rotate so as to drive the feeding clamping seat 510 to transversely move on the machine 100, so that the first heald frame 20 on the feeding clamping seat 510 moves to the feeding mechanism 200.

The control mechanism 600 controls the jaw driving member 212 to drive the clamping jaw 211 to clamp the heald frame 20, and the control mechanism 600 controls the heald frame driving member 220 to drive the clamping member 210 to move to interface with the first and second cantilever beams 710, 720. After the heald frame 20 is butted with the first suspension beam 710 and the second suspension beam 720, the heald wires on the heald frame 20 can enter the first suspension beam 710 or the second suspension beam 720 under the poking action.

The control mechanism 600 controls the feeding driving part 240 to drive the feeding arm 230 to move to shift the heald wires on the heald frame 20 forward towards the first cantilever beam 710 and the second cantilever beam 720.

The control mechanism 600 controls the material stirring driving part 350 to work, and the material stirring driving part 350 drives the first splitting lever 360, the second splitting lever 370, the third splitting lever 380, the fourth splitting lever 390 and the fifth splitting lever 3100 to synchronously rotate through rotation.

The rotation of the second split lever 370 drives the rotation of the first pressing and ejecting lever 3140, and the rotation of the fourth split lever 390 drives the rotation of the second pressing and ejecting lever 3160. When the first pressing arm 3130 rotates to press the heald on the heald frame 20, the second pressing arm 3150 rotates to be parallel to the heald frame 20, a space is reserved between the second pressing arm 3150 and the heald on the heald frame 20, the first pressing arm 3130 rotates to be inserted into a gap between the forward heald 202 and the reverse heald 203, and when the first pressing arm 3130 reversely rotates to reset, the forward heald or the reverse heald can pop up under the action of elastic potential energy so as to split the forward heald 202 and the reverse heald 203. When the second pressing arm 3150 rotates to press the heald on the heald frame 20, the first pressing arm 3130 rotates to be parallel to the heald frame 20, a space is reserved between the first pressing arm 3130 and the heald on the heald frame 20, as shown in fig. 8, the second pressing arm 3150 rotates to be inserted into a gap between the forward heald 202 and the reverse heald 203, and when the second pressing arm 3150 reversely rotates to reset, the forward heald or the reverse heald can be ejected under the action of elastic potential energy to split the forward heald 202 and the reverse heald 203. The first and second press arms 3130 and 3150 are relatively independent and do not affect each other in operation. The first and second press arms 3130 and 3150 are synchronously moved. When the first elastic pressing arm 3130 rotates into the gap between the forward heddle 202 and the reverse heddle 203, the second elastic pressing arm 3150 rotates away from the gap between the forward heddle 202 and the reverse heddle 203, and when the second elastic pressing arm 3150 rotates into the gap between the forward heddle 202 and the reverse heddle 203, the first elastic pressing arm 3130 rotates away from the gap between the forward heddle 202 and the reverse heddle 203.

The rotation of the third split lever 380 drives the first material stirring rod 3240 to rotate, and the first material stirring arm 331 on the first material stirring rod 3240 synchronously rotates to stir the forward heddle 202 to move a certain distance. The rotation of the fifth detaching lever 3100 drives the second material stirring lever 3250 to rotate, the second material stirring arm 341 on the second material stirring lever 3250 synchronously rotates, and the second material stirring arm 341 on the second material stirring lever 3250 synchronously rotates to stir the reverse heddle 203 to move a certain distance. The second material stirring arms 341 and the first material stirring arms 331 are arranged in a staggered mode, the second material stirring arms 341 and the first material stirring arms 331 are parallel and reverse, the second material stirring arms 341 and the first material stirring arms 331 can stir materials at intervals, after the first material stirring rods 3240 stir the positive heddle 202, the second material stirring rods 3250 stir the reverse heddle 203, and the first material stirring rods 3240 and the second material stirring rods 3250 stir the positive heddle 202 and the reverse heddle 203 at intervals respectively.

Rotation of the first split lever 360 can cause the fixed bracket 730 to swing laterally left and right by the cam 760. The fixing bracket 730 swings laterally and leftwards to drive one end of the first suspension beam 710, which is close to the second suspension beam 720, to be butted with the transition suspension beam 4150 in a staggered manner. The first suspension beam 710 may be used to separate the forward heddle when it is docked with the transition suspension beam 4150 and the second suspension beam 720 may be used to separate the reverse heddle when it is docked with the transition suspension beam 4150. The first suspension beam 710 and the second suspension beam 720 driven by the fixing support 730 swing left and right and synchronously coordinate with the material stirring driving component 350, each separated single-side forward heddle slides over the transition suspension beam 4150 to enter the first suspension beam 710 and the first whole row arm 440 just butted with the transition suspension beam 4150, and each separated single-side reverse heddle slides over the transition suspension beam 4150 to enter the second suspension beam 720 and the second whole row arm 450 just butted with the transition suspension beam 4150.

The alignment mechanism 400 includes an alignment base 410, a first alignment bracket 420, a second alignment bracket 430, a first alignment arm 440, a second alignment arm 450, and an alignment driving member 460. The first and second alignment brackets 420 and 430 are disposed on the alignment seat 410, one end of the first alignment bracket 420 is abutted with the other end of the first cantilever beam 710, and one end of the second alignment bracket 430 is abutted with the other end of the second cantilever beam 720. The whole row driving part 460 is arranged on the whole row seat 410 and connected with the first whole row arm 440 for driving the first whole row arm 440 to shift the positive heddle 202 on the first cantilever beam 710 to the first whole row bracket 420, and the whole row driving part 460 is also connected with the second whole row arm 450 for driving the second whole row arm 450 to shift the reverse heddle 203 on the second cantilever beam 720 to the second whole row bracket 430.

The control mechanism 600 controls the alignment driving unit 460 to drive the rotation of the first alignment lever 490 and the rotation of the second alignment lever 4100 by driving the alignment driving shaft 480 to rotate. Rotation of the first alignment lever 490 drives rotation of the first alignment wheel and the first alignment arm 440, and rotation of the first alignment arm 440 toggles the forward heddle 202 on the first cantilever beam 710 into the first alignment bracket 420. Rotation of the second alignment bar 4100 drives rotation of the second alignment wheel and the second alignment arm 450, the rotation of the second alignment arm 450 pokes the reverse heddles 203 on the second cantilever beam 720 into the second alignment support 430.

The above steps complete the splitting and the alignment of the forward heddles 202 and the reverse heddles 203 once. The control mechanism 600 controls the feeding driving part 240 to drive the feeding arm 230 to move to shift the next group of forward heddles 202, reverse heddles 203 on the heald frame 20 forward towards the first and second suspension beams 710, 720.

After the healds on the heald frame 20 are all split and listed, the control mechanism 600 controls the feeding driving part 520 to drive the feeding screw 530 to rotate, so that the next heald frame 20 moves to the feeding mechanism 200. The heald splitting and arraying machine 10 realizes feeding of the heald frame 20 through the feeding mechanism 200, splitting of heald wires on the heald frame 20 through the heald splitting mechanism 300, and arraying of split heald wires through the arraying mechanism 400. Specifically, the clamping part 210 of the feeding mechanism 200 is used for clamping the heald frame 20, the heald frame driving part 220 is used for driving the clamping part 210 and the heald frame 20 to be moved to be in butt joint with the end parts of the first suspension beam 710 and the second suspension beam 720, and the feeding driving part 240 is used for driving the feeding arm 230 to stir the heald wires on the heald frame 20 to move forward; the first material shifting component 330 is used for shifting the positive heddles 202 on the heald frame suspension beams 201 into the first suspension beams 710, and the second material shifting component 340 is used for shifting the negative heddles 203 on the heald frame suspension beams 201 into the second suspension beams 720; one end of the first array support 420 is abutted with the other end of the first cantilever beam 710, the first array arm 440 is used for pulling the forward heddle 202 on the first cantilever beam 710 to the first array support 420, one end of the second array support 430 is abutted with the other end of the second cantilever beam 720, and the second array arm 450 is used for driving the second array arm 450 to pull the reverse heddle 203 on the second cantilever beam 720 to the second array support 430. The heald splitting and arraying machine 10 realizes the procedures of automatic feeding, automatic splitting and automatic arraying of the heald frame 20, and has high automation degree and time and force saving.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The heald wire branching mechanism is characterized by comprising a first suspension beam, a second suspension beam, a fixed support and a swinging driving part, wherein the first suspension beam and the second suspension beam are connected to the fixed support, one end of the first suspension beam is used for butting the heald frame suspension beam, one end of the second suspension beam is used for butting the heald frame suspension beam, one end of the first suspension beam, which is used for butting the heald frame suspension beam, is mutually close to one end of the second suspension beam, which is used for butting the heald frame suspension beam, one end of the first suspension beam is used for connecting a first whole-row support of the whole-row mechanism, the other end of the second suspension beam is used for connecting a second whole-row support of the whole-row mechanism, and the end, which is mutually close to the first suspension beam and the second suspension beam, is flush; the swinging driving part is connected with the fixed bracket and is used for driving the fixed bracket to swing back and forth on the horizontal plane and in the direction vertical to the heald frame cantilever beam; the heddle branching mechanism further comprises a branching guide rail, a swinging rod, a cam and a reset part, wherein the branching guide rail is used for being arranged on a machine table, the fixed support is slidably connected to the branching guide rail, the fixed support can reciprocate on the branching guide rail, one end of the swinging rod is connected to the fixed support, the other end of the swinging rod is in contact fit with the periphery of the cam, the swinging driving part is connected to the cam and used for driving the cam to rotate, one end of the reset part is connected to the branching guide rail and the other end of the reset part is connected to the fixed support, when the protruding part of the cam ejects out of the swinging rod and is far away from the swinging rod, the reset part is used for resetting the swinging rod, the swinging driving part drives the fixed support to move to the first suspension beam to be in butt joint with the heddle frame suspension beam, the swinging driving part drives the fixed support to reset to the second suspension beam to be in butt joint with the frame beam under the stirring of an external stirring mechanism, and the opposite wire enters the second suspension beam driving part to be in butt joint with the second suspension beam of the heald frame suspension beam under the stirring mechanism of the external stirring mechanism, so that the heald frame and the heald frame can be driven to reciprocate with the second suspension beam.

2. The heddle branching mechanism of claim 1, wherein the number of the first suspension beams is two, the two first suspension beams are opposite on the fixed support, and the two first suspension beams are respectively used for butting two heddle frame suspension beams which are distributed at upper and lower positions on a heddle frame;

3. The heddle branching mechanism as set forth in claim 1, wherein the number of the branching guide rails is two, both the branching guide rails are provided on the machine, both the branching guide rails are disposed at upper and lower positions, and the upper end and the lower end of the fixing bracket are slidably connected to both the branching guide rails, respectively.

4. A harness wire branching mechanism as claimed in claim 3, wherein the return member comprises a spring and a fixed block, the fixed block being fixed to the branching guide rail, one end of the spring being connected to the fixed block, the other end of the spring being connected to the fixed bracket, the direction of extension of the spring being parallel to the oscillating lever.

5. The heddle switching mechanism as claimed in claim 4, further comprising a limiting cylinder, wherein the number of limiting cylinders is matched with the number of swinging rods, each limiting cylinder is used for being connected to a machine table, and each limiting cylinder is sleeved on a corresponding swinging rod.

6. The heddle switching mechanism as claimed in claim 5, wherein the number of the rocking bars and the number of the cams are plural, the rocking bars are in one-to-one correspondence with the cams, the rocking bars are located in the same vertical plane, and the rocking bars are parallel.