A harness opening device

By designing a new transmission and conversion mechanism, the alternating lifting and lowering of the heald frames is realized, which solves the problems of insufficient number of heald frames and multiple drive mechanisms, improves the opening effect and control accuracy, and reduces costs.

CN116288855BActive Publication Date: 2026-04-07JIANGYIN TONGYUAN TEXTILE MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-23
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing heald shedding devices in the textile industry suffer from problems such as insufficient heald frames leading to poor shedding effect, and the need for multiple drive mechanisms to control the lifting difference of the heald frames, resulting in high cost and large space occupation.

Method used

A novel transmission and conversion mechanism is designed. By stretching the steel wire with a conical roller, the heald frame is raised and lowered alternately. With the help of a push-pull electromagnet, the height of the heald frame is raised sequentially. Only two sets of drive mechanisms and electromagnets are required.

Benefits of technology

It improves the control accuracy of the opening effect and range of the heald frame, reduces production and maintenance costs, and simplifies the control structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a harness opening device and relates to the technical field of textiles.The harness opening device comprises a rack, a driving mechanism, a transmission mechanism, a conversion mechanism and a plurality of harness frames.The rack comprises a top frame, four legs are arranged at the four corners of the bottom of the top frame, guide bases are fixed to the inner sides of the legs on the two sides of the rack, a plurality of sliding grooves are arranged on the inner sides of the guide bases, the plurality of harness frames are slidingly arranged in the sliding grooves on the two guide bases, a deflection wire roller and a left guide wire roller are fixed to the top of one side of the top frame, and a right guide wire roller is fixed to the bottom of the other side of the top frame.The novel transmission mechanism and the conversion mechanism are designed, all the harness frames are in alternating lifting operation, the steel wire is stretched by cooperating with the conical roller, the heights of the alternating lifting harness frames are sequentially increased from front to back, the operation of the harness frames is perfectly controlled, the opening effect and the range of the subsequent harness frames are ensured, only the driving mechanism and the two groups of push-pull electromagnets need to be controlled, the control is convenient, and the control precision is high.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of textiles, in particular relates to a heald opening device. BACKGROUND

[0002] For the heald opening in the textile industry, if the number of heald frames is small, the opening effect and range are insufficient, and the efficiency is low, so multiple heald frames need to be arranged, and at the same time, in order to improve the opening effect, the heald frames need to be controlled to alternate lifting, and at the same time, if the heald frames have a height difference, the effect is better.

[0003] If only the heald frames are controlled to alternate lifting without controlling the lifting difference, the heald frames can be divided into two groups for separate control, and since the heald frames are long, driving mechanisms need to be arranged at both ends, still 2-4 driving mechanisms are needed, and the situation without lifting difference of the heald frames still has the problem of insufficient opening effect.

[0004] If the heald frames are controlled to alternate lifting and have a lifting difference, a large number of driving mechanisms need to be used for separate control of the heald frames, which has the problem of being not conducive to control and high production and maintenance costs, and the driving mechanisms occupy a large space. SUMMARY

[0005] The purpose of the present application is to provide a heald opening device, by designing a new type of transmission mechanism and conversion mechanism, all heald frames are in alternating lifting operation, cooperating with the cone roller to stretch the steel wire, the height of the alternating lifting heald frames is gradually increased from front to back, the operation of the heald frames is perfectly controlled, the opening effect and range of the subsequent heald frames are guaranteed, only the driving mechanism and two groups of push-pull electromagnets need to be controlled, which is conducive to control and has high control precision.

[0006] To solve the above technical problems, the present application is realized by the following technical scheme:

[0007] The present application is a heald opening device, comprising a rack, a driving mechanism, a transmission mechanism, a conversion mechanism and a plurality of heald frames.

[0008] The rack comprises a top rack, four corners of the bottom of the top rack are provided with legs, the inner sides of the legs on both sides of the rack are fixed with guide seats, the inner sides of the guide seats are provided with a plurality of sliding grooves, and the plurality of heald frames are respectively slidably arranged in the sliding grooves on the two guide seats.

[0009] A turning wire roller and a left wire guide roller are fixed to the top of one side of the top rack, a right wire guide roller is fixed to the bottom of the other side of the top rack, and a plurality of grooves are arranged on the turning wire roller, the left wire guide roller and the right wire guide roller.

[0010] The driving mechanism is fixed to the top of the top rack and located above the right wire guide roller, the transmission mechanism comprises a cone roller, the cone roller is fixed to one side of the driving mechanism and is in transmission connection with the driving mechanism through a connecting piece.

[0011] The side of the conical roller is provided with an open slot, the inner side of the side wall of the open slot is provided with an inner recess, a plurality of inner grooves are provided side by side on the conical roller, and the two ends of the inner grooves are communicated with the open slot;

[0012] The conversion mechanism comprises a plurality of side plates and a plurality of swing rods;

[0013] A plurality of side plates are respectively fixed on both sides of the top of the top frame, vertical plates are fixed on the front side and the rear side between a plurality of side plates, a plurality of push-pull electromagnets are fixed in the cavity between the two vertical plates and the two side plates;

[0014] The rear side between a plurality of side plates is fixed with a clamping plate, a plurality of through holes are provided side by side on the clamping plate, part of a plurality of swing rods are respectively fixed on the telescopic ends of a plurality of push-pull electromagnets, and a threading port is arranged in the swing rod;

[0015] A steel wire is penetrated and slidably connected in the threading port, a movable ball head is fixed at one end of the steel wire, left and right pull ropes are fixed at the other end of the steel wire and penetrated through the through holes, and the end of the swing rod away from the movable ball head is attached to the side surface of the clamping plate;

[0016] The left pull rope is connected to the left side of the top of the heald by passing around the groove on the left guide roller, and the right pull rope is connected to the right side of the top of the heald by passing around the grooves on the deflection roller and the right guide roller in sequence.

[0017] Further, the driving mechanism is a motor reducer, the connecting member comprises a plurality of gears, the two gears are respectively fixed on one end of the conical roller and the output end of the driving mechanism, and a toothed chain is arranged between the two gears.

[0018] Further, a reinforcing beam is fixed at the bottom between two adjacent supporting legs, and a cushion seat or a wheel body is fixed at the bottom end of the supporting leg.

[0019] Further, the end shafts at the two ends of the right guide roller are located at the bottom of the top frame and extend to the outside of the top frame, bearings are connected with fixing seats at the two ends of the right guide roller, the fixing seat is a strip-shaped seat plate, one end of the right guide roller is arranged at one end of the fixing seat, and the other end of the fixing seat is fixed on the outside of the top frame.

[0020] Further, a check ring is fixed on the swing rod at a position left to the telescopic end of the push-pull electromagnet, and the check ring is fixed with the swing rod through screws.

[0021] Further, the heald comprises a top edge, a bottom edge and a plurality of side edges, the side edges are U-shaped edges, the two ends of the opposite side surfaces of the top edge and the bottom edge are respectively provided with supporting plates, the supporting plates are arranged at the end portions of the side edges with a gap and are fixed with the side edges through fasteners.

[0022] Further, the top edge is provided with an ear hole at both ends, and the left and right pull ropes are knotted and fixed on the two ear holes.

[0023] Further, the clamping plate is provided with a smooth surface near the side of the swing lever, and the smooth surface is a semicircular structure.

[0024] Further, the plurality of push-pull electromagnets are fixed on two vertical plates in two rows, and the push-pull electromagnets are distributed at intervals.

[0025] Further, the upper and lower parts between the group of side edges are fixed with harness rods, and the end gaps of the harness rods are arranged in the side edges and fixed with the side edges through fasteners.

[0026] The present application has the following advantages:

[0027] The present application uses a single motor reducer to drive the stretching and resetting of multiple steel wires, left and right pull ropes, and through the design of the conversion mechanism, the heald frame, swing lever and steel wire are divided into two groups for quick switching, so that the two groups of heald frames are raised and reset respectively, realizing the alternating lifting motion track of all heald frames, cooperating with the tapered roller to stretch the steel wire, and the stretching length of the steel wire at the large end is greater than that at the small end (the increasing outer diameter of the tapered roller), so that the height of the alternating lifting heald frame is gradually increased from front to back, perfectly controlling the operation of the heald frame, ensuring the opening effect and range of the subsequent heald frame, and only the driving mechanism and the two groups of push-pull electromagnets need to be controlled, which is beneficial to control and has high control precision.

[0028] Of course, implementing any product of the present application does not necessarily require all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed for the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0030] Figure 1 It is a structural schematic diagram of a heald opening device of the present application;

[0031] Figure 2 It is a structural schematic diagram of the present application after removing the supporting leg and heald frame;

[0032] Figure 3 It is a structural sectional view of Figure 2

[0033] ​Figure 4 As Figure 3 A local enlarged view at the middle of A;

[0034] Figure 5 As a structural schematic view of the top frame, right guide wire roller, steering wire roller and left guide wire roller;

[0035] Figure 6 As a structural schematic view of the transmission mechanism;

[0036] Figure 7 As a structural schematic view of the conversion mechanism;

[0037] Figure 8 As a structural schematic view of the heald frame;

[0038] Figure 9 As a structural schematic view of the connection between the swing lever and the push-pull electromagnet;

[0039] In the drawings, the components represented by each reference numeral are listed as follows:

[0040] 1-frame, 2-driving mechanism, 3-transmission mechanism, 4-conversion mechanism, 5-heald frame, 6-clamping plate, 101-top frame, 102-leg, 103-guide base, 104-slotted guide, 105-steering wire roller, 106-left guide wire roller, 107-right guide wire roller, 108-groove, 109-stiffening beam, 110-fixing seat, 201-gear, 202-sprocket chain, 301-conical roller, 302-open slot, 303-internal recess, 304-internal slot body, 401-side plate, 402-swing lever, 403-vertical plate, 404-push-pull electromagnet, 405-through hole, 406-threading opening, 407-steel wire, 408-movable ball head, 409-left pull rope, 410-right pull rope, 411-stop ring, 501-top edge, 502-bottom edge, 503-side edge, 504-support plate, 505-support ear hole, 506-heald rod, 601-smooth surface. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0042] Please refer to Figures 1-7 As shown in the drawings, the present application is a heald opening device, which comprises a frame 1, a driving mechanism 2, a transmission mechanism 3, a conversion mechanism 4 and a plurality of heald frames 5;

[0043] The rack 1 comprises a top rack 101, four legs 102 are arranged at the bottom of the four corners of the top rack 101, guide bases 103 are fixed to the inner sides of the legs 102 on the two sides of the rack 1, a plurality of sliding grooves 104 are arranged on the inner sides of the guide bases 103, and a plurality of heald frames 5 are respectively and slidingly arranged in the sliding grooves 104 on the two guide bases 103;

[0044] A turning wire roller 105 and a left guide wire roller 106 are fixed to the top of one side of the top rack 101, a right guide wire roller 107 is fixed to the bottom of the other side of the top rack 101, and a plurality of grooves 108 are arranged on the turning wire roller 105, the left guide wire roller 106 and the right guide wire roller 107;

[0045] The driving mechanism 2 is fixed to the top of the top rack 101 and located above the right guide wire roller 107, the transmission mechanism 3 comprises a taper roller 301, the taper roller 301 is fixed to one side of the driving mechanism 2 and is in transmission connection with the driving mechanism 2 through a connecting piece;

[0046] An open slot 302 is arranged on the side surface of the taper roller 301, an inner recess 303 is arranged on the inner side of the side wall of the open slot 302, a plurality of inner groove bodies 304 are arranged side by side on the taper roller 301, the two ends of the inner groove bodies 304 are in communication with the open slot 302, and the inner recess 303 can reliably hang the movable ball head 408;

[0047] The conversion mechanism 4 comprises a group of side plates 401 and a plurality of swing rods 402;

[0048] The group of side plates 401 are respectively fixed to the two sides of the top of the top rack 101, vertical plates 403 are fixed to the front side and the rear side between the group of side plates 401, and a plurality of push-pull electromagnets 404 are fixed in the cavity between the two vertical plates 403 and the two side plates 401;

[0049] The rear side between the group of side plates 401 is fixed with a clamping plate 6, a plurality of through holes 405 are arranged side by side on the clamping plate 6, part of the plurality of swing rods 402 are respectively fixed to the telescopic ends of the plurality of push-pull electromagnets 404, and a wire passing port 406 is arranged in the swing rod 402;

[0050] A steel wire 407 is transversely and slidingly connected in the wire passing port 406, one end of the steel wire 407 is fixed with a movable ball head 408, the other end of the steel wire 407 penetrates the through hole 405 and is fixed with a left pull rope 409 and a right pull rope 410, and the end of the swing rod 402 away from the movable ball head 408 is attached to the side surface of the clamping plate 6. Due to the gravity of the heald frame 5, the steel wire 407 is always in a tight state, so the swing rod 402 is always attached to the clamping plate 6, has the function of rotation, and has a simple structure;

[0051] The left pull rope 409 passes through the groove 108 on the left guide wire roller 106 and is connected to the left side of the top of the heald frame 5, and the right pull rope 410 passes through the grooves 108 on the turning wire roller 105 and the right guide wire roller 107 in sequence and is connected to the right side of the top of the heald frame 5.

[0052] As shown in Figures 1-2 , the driving mechanism 2 is a motor reducer, the connecting piece includes a set of gears 201, two gears 201 are fixed at one end of the conical roller 301 and the output end of the driving mechanism 2 respectively, and a toothed chain 202 is arranged between the two gears 201.

[0053] As shown in Figure 1 , the bottom between the two adjacent legs 102 is fixed with a reinforcing beam 109, and the bottom end of the leg 102 is fixed with a pad or a wheel body.

[0054] As shown in Figure 1 and Figure 5 , the end shafts at both ends of the right wire guide roller 107 are located at the bottom of the top frame 101 and extend to the outside of the top frame 101, and the right wire guide roller 107 at both ends is connected with a fixing seat 110 through a bearing.

[0055] As shown in Figure 1 and Figure 5 , the fixing seat 110 is a strip-shaped seat plate, one end of the right wire guide roller 107 is arranged at one end of the fixing seat 110, and the other end of the fixing seat 110 is fixed at the outside of the top frame 101.

[0056] As shown in Figure 9 , the swing rod 402 is fixed with a check ring 411 at a position on the left side of the telescopic end of the push-pull electromagnet 404, and the check ring 411 is fixed with the swing rod 402 through a screw. In order to avoid the movement of the swing rod 402 to the direction of the movable ball head 408.

[0057] As shown in Figure 1 and Figure 8 , the heald frame 5 includes a top edge 501, a bottom edge 502 and a set of side edges 503, the side edge 503 is a U-shaped edge, the top edge 501 and the bottom edge 502 are provided with a support plate 504 at both ends of the opposite side, the support plate 504 is arranged at the end of the side edge 503 in a gap and is fixed with the side edge 503 through a fastener.

[0058] As shown in Figure 1 and Figure 8 , the top edge 501 is provided with a lug hole 505 at both ends, and the bottom ends of the left pull rope 409 and the right pull rope 410 are respectively knotted and fixed on the two lug holes 505.

[0059] As shown in Figures 3-4 , the clamping plate 6 is a smooth surface 601 close to one side of the swing rod 402, the smooth surface 601 is a semicircular structure, and the end face of the swing rod 402 is attached to the smooth surface 601.

[0060] As shown in Figures 1-3 and Figure 7As shown, several push-pull electromagnet 404 are divided into two rows and fixed on two vertical plates 403, the two rows of push-pull electromagnet 404 are distributed at intervals, the model of the push-pull electromagnet 404 is EML-1039B, the voltage is 24V, the initial suction force is 1.5N, the holding suction force is 35N, and the adjustable stroke is 15mm.

[0061] As shown in the formula (I), a group of side edges 503 are fixed with healds 506 at the upper and lower parts, the healds 506 are arranged in the side edges 503 with gaps at the ends and are fixed with the side edges 503 through fasteners. Figure 1 Figure 8 As shown in the formula (I), a group of side edges 503 are fixed with healds 506 at the upper and lower parts, the healds 506 are arranged in the side edges 503 with gaps at the ends and are fixed with the side edges 503 through fasteners.

[0062] As shown in the formula (I), a group of side edges 503 are fixed with healds 506 at the upper and lower parts, the healds 506 are arranged in the side edges 503 with gaps at the ends and are fixed with the side edges 503 through fasteners.

[0063] As shown in the formula (I), a group of side edges 503 are fixed with healds 506 at the upper and lower parts, the healds 506 are arranged in the side edges 503 with gaps at the ends and are fixed with the side edges 503 through fasteners. Figure 7 As shown in the formula (I), a group of side edges 503 are fixed with healds 506 at the upper and lower parts, the healds 506 are arranged in the side edges 503 with gaps at the ends and are fixed with the side edges 503 through fasteners.

[0064] The working principle of the present application is as follows:

[0065] Step one: control the push-pull electromagnet 404 of group A to be pressed down synchronously, and the push-pull electromagnet 404 of group B is in a static state, at this time, the eight swing rods 402 of group A can be controlled to be pressed down at the same time, one end of the swing rod 402 with the movable ball head 408 is pressed down to make the movable ball head 408 fit the inner wall of the open slot 302 of the conical roller 301, the position close to the movable ball head 408 of the swing rod 402 extends into the inner groove body 304 (the inner groove body 304 provides the swing rod 402 with a swing space), and the swing rod 402 of group B does not interfere with the position of the conical roller 301.

[0066] ​Step two: control the driving mechanism 2 to run through two gears 201 and toothed chain 202 to drive the cone roller 301 to rotate, when the cone roller 301 rotates, the inner recess 303 hooks the movable ball head 408, the movable ball head 408 is clamped in the inner recess 303 and cannot be separated, at this time, the movable ball head 408 and the steel wire 407 can be pulled to move a distance towards the cone roller 301, at this time, the left pull rope 409 and the right pull rope 410 at the tail end of the steel wire 407 are driven to move a distance towards the cone roller 301, through the cooperation of the left guide wire roller 106, the right guide wire roller 107 and the steering wire roller 105, the heald frame 5 is driven to move upwards (the heald frame 5 close to the large end of the cone roller 301 is lifted to a height greater than that of the heald frame 5 at the small end), at the same time, the corresponding heald frame 5 of group B is in a stationary state;

[0067] Step three: after the angle sensor at the end of the cone roller 301 detects that the rotation angle value is in place, the control driving mechanism 2 reverses the corresponding angle to reset the cone roller 301, at this time, the heald frame 5 lifted in step two is reset;

[0068] Step four: control the corresponding push-pull electromagnet 404 of group A to reset, and control the corresponding push-pull electromagnet 404 of group B to extend, to switch the control of the corresponding heald frame 5 of group A and group B;

[0069] Step five: according to the mode of step two, drive the corresponding heald frame 5 of group B to lift, while the corresponding heald frame 5 of group A is in a stationary state;

[0070] Step six: switch the control of group A and group B again to realize the repeated driving of the heald frame 5 for shedding.

[0071] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0072] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present specification. The present specification selects and describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited only by the claims and their entire scope and equivalents.

Claims

1. A hoisting opening device, characterized in that: It includes a frame (1), a drive mechanism (2), a transmission mechanism (3), a conversion mechanism (4), and several heald frames (5); The frame (1) includes a top frame (101), and the top frame (101) has four support legs (102) at its bottom corners. The inner sides of the support legs (102) on both sides of the frame (1) are fixed with guide seats (103). The inner side of the guide seats (103) is provided with several sliding grooves (104). Several heald frames (5) are slidably arranged in several sliding grooves (104) on the two guide seats (103). A steering roller (105) and a left guide roller (106) are fixed on the top of one side of the top frame (101), and a right guide roller (107) is fixed on the bottom of the other side of the top frame (101). Several grooves (108) are provided on the steering roller (105), the left guide roller (106) and the right guide roller (107). The drive mechanism (2) is fixed on the top of the top frame (101) and located above the right guide roller (107). The transmission mechanism (3) includes a conical roller (301), which is fixed on one side of the drive mechanism (2) and connected to the drive mechanism (2) via a connector. The conical roller (301) has an opening groove (302) on its peripheral side, and an inner recess (303) is provided on the inner side of the sidewall of the opening groove (302). A plurality of inner grooves (304) are arranged side by side on the conical roller (301), and both ends of the inner grooves (304) are connected to the opening groove (302). The conversion mechanism (4) includes a set of side plates (401) and several swing rods (402); A set of side plates (401) are respectively fixed on both sides of the top of the top frame (101). A vertical plate (403) is fixed on the front and rear sides of the set of side plates (401). Several push-pull electromagnets (404) are fixed in the cavity between the two vertical plates (403) and the two side plates (401). A clamping plate (6) is fixed to the rear side between a group of side plates (401). Several through holes (405) are arranged side by side on the clamping plate (6). The middle parts of several swing rods (402) are respectively fixed to the telescopic ends of several push-pull electromagnets (404). The swing rod (402) is provided with a wire hole (406). A steel wire (407) is passed through and slidably connected in the threading port (406). One end of the steel wire (407) is fixed with a movable ball head (408). The other end of the steel wire (407) passes through the through hole (405) and is fixed with a left pull rope (409) and a right pull rope (410). The end of the swing rod (402) away from the movable ball head (408) is in contact with the side of the clamping plate (6). The left pull rope (409) passes over the groove (108) on the left guide roller (106) and is connected to the left side of the top of the heald frame (5). The right pull rope (410) passes over the grooves (108) on the turning roller (105) and the right guide roller (107) in sequence and is connected to the right side of the top of the heald frame (5).

2. The lifting and opening device according to claim 1, characterized in that, The drive mechanism (2) is a motor reducer, and the connecting member includes a set of gears (201). The two gears (201) are respectively fixed at one end of the cone roller (301) and the output end of the drive mechanism (2), and a toothed chain (202) is provided between the two gears (201).

3. The lifting and opening device according to claim 1, characterized in that, A reinforcing beam (109) is fixed at the bottom between two adjacent legs (102), and a pad or wheel is fixed at the bottom of the legs (102).

4. The lifting and opening device according to claim 1, characterized in that, The end shafts at both ends of the right guide roller (107) are located at the bottom of the top frame (101) and extend to the outside of the top frame (101). The two ends of the right guide roller (107) are connected to fixed seats (110) through bearings. The fixed seats (110) are strip-shaped seats. One end of the right guide roller (107) is set at one end of the fixed seat (110), and the other end of the fixed seat (110) is fixed to the outside of the top frame (101).

5. The lifting and opening device according to claim 1, characterized in that, A retaining ring (411) is fixed on the swing arm (402) and located on the left side of the telescopic end of the push-pull electromagnet (404). The retaining ring (411) is fixed to the swing arm (402) by screws.

6. The lifting and opening device according to claim 1, characterized in that, The frame (5) includes a top edge (501), a bottom edge (502) and a set of side edges (503). The side edges (503) are U-shaped. Support plates (504) are provided at both ends of the opposite sides of the top edge (501) and the bottom edge (502). The support plates (504) are spaced at the ends of the side edges (503) and fixed to the side edges (503) by fasteners.

7. A lifting and opening device according to claim 6, characterized in that, Both ends of the top edge (501) are provided with support holes (505), and the bottom ends of the left pull rope (409) and the right pull rope (410) are respectively knotted and fixed on the two support holes (505).

8. The hoisting opening device according to claim 1, characterized in that, The side of the clamp plate (6) near the swing rod (402) is a smooth surface (601), which is a semi-circular structure. The end face of the swing rod (402) is in contact with the smooth surface (601).

9. A hoisting opening device according to claim 1, characterized in that, Several push-pull electromagnets (404) are divided into two rows and fixed on two vertical plates (403) respectively, with the two rows of push-pull electromagnets (404) distributed at intervals.

10. A hoisting opening device according to claim 6, characterized in that, A heddle rod (506) is fixed to the upper and lower parts of a set of side edges (503). The end gap of the heddle rod (506) is set in the side edge (503) and fixed to the side edge (503) by fasteners.

Citation Information

Patent Citations

  • Loom opening device

    CN101634072A

  • Weaving machine shedding device

    CN206070088U