CN114959986A - Top-mounted loom shedding device - Google Patents
Top-mounted loom shedding device Download PDFInfo
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- CN114959986A CN114959986A CN202210418315.2A CN202210418315A CN114959986A CN 114959986 A CN114959986 A CN 114959986A CN 202210418315 A CN202210418315 A CN 202210418315A CN 114959986 A CN114959986 A CN 114959986A
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- box body
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims 3
- 238000012423 maintenance Methods 0.000 abstract description 8
- 239000004744 fabric Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000009941 weaving Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000004519 grease Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
- D03C5/02—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices operated by rotating cams
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The invention discloses a top-mounted loom shedding device, which relates to the technical field of loom devices and comprises: a frame member; the box body assembly is arranged at one end of the rack part; the heald lifting opening part is arranged in the frame part and matched with the box body; the box assembly includes: the cam box, axle mount pad, cam subassembly, swing arm subassembly and transmission assembly. The invention solves the technical problems of large loss, difficult maintenance, large labor amount, starting dead points and the like of the traditional underneath type crank connecting rod opening device.
Description
Technical Field
The invention relates to the technical field of weaving machine equipment, in particular to an overhead weaving machine opening device.
Background
The loom weaves cloth by interweaving warp and weft, and the heald lifting mechanism is an important component in the loom and comprises heald frames and a shedding device, wherein the heald frames move up and down to enable the warp to be opened in a layered mode, and weft yarns are shuttled in the warp to weave cloth.
The existing shedding device for weaving plain weave fabric generally adopts a crank connecting rod shedding device, and the device is a mechanism formed by connecting a crank rocker and a rocker sliding block in series, so that a heald frame can complete up-and-down reciprocating motion of the heald frame according to a rule similar to a simple harmonic motion curve. This device has the following disadvantages:
(1) the lifting speed is high when the shed is in the leveling position, and the lifting speed is low when the shed is in the full-open position, so that the weft yarns are not tightened, and the cloth grains are not full.
(2) When the crank rotates circularly, the dead point appears at the moment of the 2-point position, namely the force direction is collinear with the connecting rod, and the dead point appears, and the crank can only pass through the two dead points by utilizing inertia in the moving process, so that the crank cannot be started at the two moments, which is the disadvantage of a crank connecting rod opening device.
(3) Under the normal condition, the crank connecting rod shedding device is installed and connected to the lower side of a loom main machine and pushes a heald frame to move from bottom to top, and due to the reason, the crank connecting rod shedding device is in a high-moisture environment for a long time, the device is easy to damage under the long-term action, and the weaving efficiency is reduced at a high speed. In addition, the positioning under the loom main body causes the inconvenience of equipment maintenance and repair, and the contradiction is increasingly prominent in the current environment with labor shortage.
Disclosure of Invention
The invention aims to provide an overhead loom shedding device, which solves the technical problems of large loss, difficult maintenance, large labor amount, starting dead points and the like of a lower crank connecting rod shedding device in the prior art.
The embodiment of the application discloses overhead loom opening device includes:
a frame member;
the box body assembly is arranged at one end of the rack part;
the heald lifting opening part is arranged in the rack part and matched with the box body;
the box assembly includes:
the cam box body is internally provided with an accommodating cavity;
the shaft mounting seat is arranged at the bottom of the accommodating cavity;
a cam assembly mounted on the shaft mount;
the swing arm assembly is arranged on the cam assembly, the swing arm assembly and the cam assembly are arranged at intervals, the end part of the swing arm assembly is connected with the shedding part of the lifting heddle, and the cam assembly and the swing arm assembly are matched to complete shifting;
and the transmission assembly is assembled on the side surface of the cam box body and matched with the cam assembly.
The box body assembly is designed, so that the stability of the loom and the opening in high-speed operation is ensured; meanwhile, the cam is matched with the swing arm, so that the starting without dead points can be realized, the transmission is more stable, and the cloth surface is smoother.
On the basis of the technical scheme, the embodiment of the application can be further improved as follows:
further, the cam housing includes:
the bottom side of the bottom box is arranged on the shaft mounting seat, and the bottom box and the shaft mounting seat are integrally formed;
the box body inner cover is arranged on the bottom box, and the inner wall of the box body inner cover and the inner wall of the bottom box are combined to form the accommodating cavity;
the box body cover is arranged on the outer side of the box body inner cover, and the beneficial effects of the step are that the box body is respectively processed and subsequently assembled, so that the maintenance is conveniently realized.
Further, the bottom intercommunication of cam box has elbow bend, quick hydraulic joint is installed to elbow bend's tip, adopts this step beneficial effect to be convenient for assemble and add the oil drain device fast for it is more convenient to wash the box and change lubricating oil for personnel's the operation degree of difficulty and work load are reduced.
Further, the cam assembly comprises:
a camshaft assembled on the shaft mount;
a conjugate cam mounted on the camshaft;
the swing arm assembly includes:
the swing arm shaft is assembled on the shaft mounting seat, and the swing arm shaft and the cam shaft are arranged at intervals;
the swing arm unit piece is mounted on the swing arm shaft, and the outer edge of the swing arm unit piece is matched with the outer edge of the conjugate cam;
the transmission assembly includes:
the spiral bevel gear pair is assembled in the cam box body, and a bevel wheel of the spiral bevel gear pair is assembled at the end part of the cam shaft;
the belt pulley, the belt pulley install in on the transmission shaft of spiral bevel gear pair, the beneficial effect who adopts this step is conjugate cam and swing arm matched with design, improves stability, and lower part loss has prolonged the life of device simultaneously.
Further, the conjugate cam is composed of a plurality of 111/111 cam pieces; the swing arm unit piece consists of a plurality of swing arm pieces;
the swing arm assembly further comprises two stop rods, the stop rods are sleeved on the swing arm shaft and located on two sides of the swing arm unit piece, and the starting without dead points can be achieved by adopting corresponding cam pieces.
Further, the transmission assembly further comprises a tension pulley assembly, the tension pulley assembly is mounted on the side surface of the cam box body, and the tension pulley assembly is used for adjusting the tightness of a belt on the belt pulley;
the tensioning wheel assembly comprises:
the swing arm seat is arranged on the side surface of the cam box body;
one end of the tensioning wheel swing arm is mounted on the swing arm shaft seat through a rotating shaft;
the take-up pulley, the take-up pulley install in the other end of take-up pulley swing arm, just the take-up pulley is located the belt pulley below, the beneficial effect of this step of adoption is the regulation of elasticity is realized through the take-up pulley subassembly.
Further, the frame member includes:
the two lower engine bases are arranged at intervals;
the two upper engine bases are connected with the lower engine bases in a one-to-one correspondence manner;
the crossbeam, crossbeam one end install in on going up the frame, the other end is installed in another go up on the frame, the crossbeam is U type roof beam, just crossbeam internal assembly in shedding part adopts this step's beneficial effect to be mutually supported through a plurality of parts to this stability that improves whole device.
Further, the shedding opening part includes:
one end of the first connecting rod is connected with the swing arm assembly;
the first shedding arm component is connected with the other end of the first connecting rod;
one end of the second connecting rod is connected with the first lifting heald arm component;
the second lifting arm component is connected with the other end of the second connecting rod, and the beneficial effect of the step is that the lifting function is realized through a plurality of lifting parts.
Further, the length of the second connecting rod is greater than that of the first connecting rod;
the lifting heddles of the first lifting heddle arm assembly and the second lifting heddle arm assembly are vertically downward.
Further, the internally mounted of crossbeam has the connecting rod guide slot, the second connecting rod with the notch of connecting rod guide slot is mutually supported, adopts this step's beneficial effect to be used for guaranteeing the stability of structure.
One or more technical solutions provided by the present application have at least the following technical effects or advantages:
1. the design that the conjugate cam is matched with the swing arm is adopted, and an 111/111 cam sheet is selected, so that compared with the problem that the opening device of the crank connecting rod has 2 dead point positions, the device can be started without dead points, the transmission is more stable, and the cloth cover is smoother; when the rotating speed of the weaving machine is 800rpm, the rotating speed of the input shaft of the box body is only 534rpm, and the service life of the device is prolonged due to lower part loss.
2. The cam box body adopts an integrated shaft seat design, so that the rigidity and the strength of the shaft seat are enhanced, and the stability of a weaving machine and an opening in high-speed operation is ensured; the quick oil adding and discharging device is adopted, so that the box body is more convenient to clean and replace lubricating oil, and the operation difficulty and workload of personnel are reduced; and the shape of the box body is optimized, and the use amount of oil is reduced.
3. The rack component of this application adopts compact U type crossbeam, has cancelled unnecessary space waste, reduces the consumptive material, has responded national energy saving and emission reduction's call.
4. The lifting heddle arm shaft of the lifting heddle arm assembly in the application adopts blind hole design for unilateral oiling to cancel unnecessary parts, reduce the part processing degree of difficulty and the equipment time, still avoided lubricating grease's waste simultaneously, improve the grease utilization ratio.
5. The device of this application is applicable to hydraulic loom and weaves plain weave fabric, and the device simple structure, stability are good. The device improves the operating efficiency of the loom and solves the technical problems of large loss, difficult maintenance, large labor amount, starting dead points and the like of the lower crank connecting rod shedding device.
6. The device of the application reduces the time that the loom halts because of maintaining, reduces the part loss about 30% of equipment maintenance, reduces the required manual work of daily maintenance about 50%.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a shedding device of a top loading loom according to an embodiment of the present invention;
FIG. 2 is a schematic view showing another aspect of a shedding device of a top loading loom according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a box assembly portion of a shedding device of a top loading loom according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the interior of a box assembly of a shedding device of a top loading loom according to an embodiment of the present invention;
FIG. 5 is a schematic view of another direction structure of a bottom case of a shedding device of a top loading loom according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a shedding arm shaft of an overhead loom shedding device according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a lower frame of a shedding device of an overhead loom according to an embodiment of the present invention;
reference numerals:
1-a frame member; 2-a box body assembly; 3-shedding part of lifting heald;
101-lower machine base; 102-upper machine base; 103-a cross beam; 104-link guide slot;
201-cam box body; 202-a housing cavity; 203-shaft mount; 204-a cam assembly; 205-a swing arm assembly; 206-a transmission assembly; 207-quarter bend; 208-a quick hydraulic joint;
2011-bottom box; 2012-inner casing of the box; 2013-case cover;
2041-a camshaft; 2042-conjugate cam;
2051-swing arm shaft; 2052-swing arm unit; 2053-swinging arm pieces; 2054-stop lever;
2061-bevel screw gear pair; 2062-a belt pulley; 2063-a tension wheel assembly; 2064-swing arm seat; 2065-tensioning wheel swing arm; 2066-tension wheel;
301-a first link; 302-a first lifting heddle arm assembly; 303-a second link; 304-a second lifting heddle arm assembly; 305-lifting heddle arm shaft.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.
Example (b):
as shown in fig. 1-2, the embodiment of the application discloses an overhead loom shedding device, which is used for replacing a crank connecting rod shedding and is suitable for a water jet loom to weave plain fabrics, and the device has a simple structure and good stability. The device improves the operating efficiency of the loom, and solves the technical problems of large loss, difficult maintenance, large labor amount, starting dead points and the like of the lower crank connecting rod shedding device; the concrete structure is as follows:
a frame member 1, the frame member 1 supporting other members;
the box body assembly 2 is arranged at one end of the rack component 1, and the box body assembly 2 is a power transmission component which is matched with a power source and can provide power for the movement of a subsequent shedding component;
the heald lifting opening part 3 is arranged in the rack part 1, and the heald lifting opening part 3 is matched with the box body assembly 2;
as shown in fig. 3 and 4, the box assembly 2 includes:
the cam box body 201, wherein an accommodating cavity 202 is arranged inside the cam box body 201;
a shaft mounting seat 203, wherein the shaft mounting seat 203 is arranged at the bottom of the accommodating cavity 202;
a cam assembly 204, said cam assembly 204 mounted on said shaft mount 203;
the swing arm assembly 205 is mounted on the cam assembly 204, the swing arm assembly 205 and the cam assembly 204 are arranged at intervals, the end part of the swing arm assembly 205 is connected with the shedding component 3, and the cam assembly 204 and the swing arm assembly 205 are matched to complete shifting;
a drive assembly 206, the drive assembly 206 being mounted to a side of the cam housing 201, the drive assembly 206 being engaged with the cam module 204.
Wherein the cam housing 201 includes:
a bottom case 2011, a bottom side of the bottom case 2011 is disposed on the shaft mounting seat 203, and the bottom case 2011 is integrally formed with the shaft mounting seat 203;
the box body inner cover 2012 is arranged on the bottom box, and the inner wall of the box body inner cover 2012 and the inner wall of the bottom box 2011 are combined to form the accommodating cavity 202;
a box cover 2013, wherein the box cover 2013 is arranged outside the box inner cover 2012; the cam box body 201 in the application is composed of a plurality of components, and meanwhile, the bottom box 2011 and the shaft mounting seat 203 are integrally formed, so that the rigidity and the strength of a shaft seat are enhanced, and the stability of a loom and an opening in high-speed operation is ensured; meanwhile, a cover plate provided with an arc-shaped groove is arranged above the shaft mounting seat 203 and used for completing the connection of the subsequent cam component 204 and swing arm component 205, and locking bolts are arranged at two ends of the cover plate and used for completing locking.
The bottom of the cam box 201 is communicated with a right-angle elbow 207, and the end of the right-angle elbow 207 is provided with a quick hydraulic joint 208; the bottom of the cam box body 201 is matched with a quick oil adding and discharging device, so that the box body can be cleaned and the lubricating oil can be replaced more conveniently, and the operation difficulty and the workload of personnel can be reduced; as shown in fig. 5, the bottom of the bottom case 2011 in the present application is an arc-shaped surface that is curved upward, so that the internal space of the cam housing 201 can be reduced, and the space required for assembling other parts such as a shaft is not reduced, thereby reducing the usage amount of oil.
In one embodiment, the cam module 204 includes:
a camshaft 2041, the camshaft 2041 being fitted on the shaft mount 203;
a conjugate cam 2042, the conjugate cam 2042 being mounted on the camshaft 2041;
the cam assembly 204 further includes corresponding locking bolts, bearings, positioning pins, and other components, which are conventional components, and are not described herein again, so as to ensure that the conjugate cam 2042 and the cam shaft 2041 rotate synchronously;
the swing arm assembly 205 includes:
the swing arm shaft 2051 is assembled on the shaft mounting seat 203, and the swing arm shaft 2051 and the cam shaft 2041 are arranged at intervals;
a swing arm unit piece 2052, the swing arm unit piece 2052 being mounted on the swing arm shaft 2051, and an outer edge of the swing arm unit piece 2052 being engaged with an outer edge of the conjugate cam 2042;
regarding the swing arm assembly 205, it further includes components such as bearings and connectors, which are conventional components, and are not described herein again, so as to ensure that the swing arm unit 2052 can stably move, and at the same time, an opening is formed on one side of the cam box 201 facing the heald lifting opening component 3, so that the heald lifting opening component 3 can conveniently extend into the cam box 201 and be connected with the swing arm assembly 205;
the transmission assembly 206 includes:
a bevel gear set 2061, wherein the bevel gear set 2061 is assembled in the cam box 201, and the bevel gear of the bevel gear set 2061 is assembled at the end of the cam shaft 2041;
a belt pulley 2062, the belt pulley 2062 is installed on the transmission shaft of the spiral bevel gear pair 2061, and the belt pulley 2062 in the application is connected with the driving piece through a belt, so that the whole spiral bevel gear pair 2061 is driven to move stably, and finally, the cam component and the swing arm component are driven to move.
Specifically, the conjugate cam 2042 is composed of a plurality of 111/111 cam pieces; the swing arm unit piece 2052 is composed of a plurality of swing arm pieces 2053;
the swing arm assembly 205 further comprises two stop rods 2054, the stop rods 2054 are sleeved on the swing arm shaft, the stop rods 2054 are positioned on two sides of the swing arm unit piece 2052, and the conjugate cam 2042 in the application adopts 111/111 cam pieces, so that compared with the problem that the conventional crank connecting rod opening device has 2 dead point positions, the problem cannot be avoided, the device can be started without dead points, the transmission is more stable, and the cloth cover is smoother; when the rotating speed of the weaving machine is 800rpm, the rotating speed of the input shaft of the box body is only 534rpm, and the service life of the device is prolonged due to lower part loss.
The transmission assembly 206 further includes a tension wheel assembly 2063, the tension wheel assembly 2063 is mounted on a side surface of the cam box 201, and the tension wheel assembly 2063 is used for adjusting the tightness of the belt on the belt pulley 2062;
the tensioning wheel assembly 2063 includes:
the swing arm base 2064 is arranged on the side surface of the cam box body 201;
a tensioning wheel swing arm 2065, one end of the tensioning wheel swing arm 2065 being mounted on the swing arm shaft base 2064 through a rotating shaft;
a tension pulley 2066, the tension pulley 2066 being attached to the other end of the tension pulley swing arm 2065, the tension pulley 2066 being located below the belt pulley 2062; the drive assembly 206 in this application is capable of providing tension, and tension adjustment can be accomplished by adjusting the tension wheel swing arm 2065 to rotate clockwise or counterclockwise.
As shown in fig. 2 and 7, the frame member 1 includes:
the two lower engine bases 101 are arranged at intervals;
the two upper bases 102, the upper bases 102 are connected with the lower bases 101 in a one-to-one correspondence manner; the upper and lower bases are made of full metal plates and are designed to be high, so that the height of the whole machine is reduced, the material consumption is reduced, the gravity center of the whole machine is reduced, and the stability of the device is improved;
one end of the cross beam 103 is mounted on the upper base 102, the other end of the cross beam 103 is mounted on the other upper base 102, the cross beam 103 is a U-shaped beam, and the shedding opening part 3 is assembled in the cross beam 103; the frame component 1 in the present application is composed of a plurality of components, wherein the lower base 101 in the present application includes a lower support plate and a support pillar, and the vertical cross section of the lower support plate is a parallelogram, so that the upper base 102 above moves forward, the whole center of gravity moves forward, and the overall stability is improved; meanwhile, the cross beam 103 is U-shaped and compact, unnecessary space waste is eliminated, consumables are reduced, and cost is reduced.
Wherein the shedding opening part 3 comprises:
a first link 301, one end of the first link 301 being connected to the swing arm assembly 205;
a first lifting heddle arm assembly 302, the first lifting heddle arm assembly 302 being connected with the other end of the first link 301;
a second connecting rod 303, wherein one end of the second connecting rod 303 is connected with the first lifting arm component 302;
a second lifting heddle arm assembly 304, the second lifting heddle arm assembly 304 being connected with the other end of the second connecting rod 303; first lifting heddle arm subassembly 302 in this application, second lifting heddle arm subassembly 304 are become by parts such as lifting heddle arm axle, lifting heddle arm baffle and lifting heddle arm baffle respectively, as shown in fig. 6, wherein the lifting heddle arm axle 305 of first lifting heddle arm subassembly 302, second lifting heddle arm subassembly 304 adopts the blind hole design simultaneously for unilateral oiling to cancel unnecessary part, reduced the part machining degree of difficulty and equipment time, still avoided lubricating grease's waste simultaneously, improve the grease utilization ratio.
Wherein the length of the second link 303 is greater than the length of the first link 301; the lifting heddle sections of the first and second lifting heddle arm assemblies 302, 304 are directed vertically downwards.
As shown in fig. 2, a connecting rod guide groove 104 is installed inside the cross beam 103, the second connecting rod 303 is matched with the notches of the connecting rod guide groove 104, and a plurality of notches of the connecting rod guide groove 104 are matched with the second connecting rod 303, so that the stability of the movement of the connecting rods can be ensured.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. A top loading loom shedding apparatus, comprising:
a frame member;
the box body assembly is arranged at one end of the rack part;
the heald lifting opening part is arranged in the rack part and matched with the box body;
the box assembly includes:
the cam box body is internally provided with an accommodating cavity;
the shaft mounting seat is arranged at the bottom of the accommodating cavity;
a cam assembly mounted on the shaft mount;
the swing arm assembly is arranged on the cam assembly, the swing arm assembly and the cam assembly are arranged at intervals, the end part of the swing arm assembly is connected with the shedding part of the lifting heddle, and the cam assembly and the swing arm assembly are matched to complete shifting;
the transmission assembly is assembled on the side face of the cam box body and matched with the cam assembly.
2. A top loading loom shedding device according to claim 1, wherein the cam housing comprises:
the bottom side of the bottom box is arranged on the shaft mounting seat, and the bottom box and the shaft mounting seat are integrally formed;
the box body inner cover is arranged on the bottom box, and the inner wall of the box body inner cover and the inner wall of the bottom box are combined to form the accommodating cavity;
and the box body housing is arranged on the outer side of the box body inner cover.
3. The overhead loom opening device of claim 2, wherein the bottom of the cam box body is communicated with a right-angled bend, and the end of the right-angled bend is provided with a quick hydraulic connector.
4. A top loading loom shedding device according to claim 3, wherein the cam assembly comprises:
a camshaft assembled on the shaft mount;
a conjugate cam mounted on the camshaft;
the swing arm assembly includes:
the swing arm shaft is assembled on the shaft mounting seat, and the swing arm shaft and the cam shaft are arranged at intervals;
the swing arm unit piece is mounted on the swing arm shaft, and the outer edge of the swing arm unit piece is matched with the outer edge of the conjugate cam;
the transmission assembly includes:
the spiral bevel gear pair is assembled in the cam box body, and a bevel wheel of the spiral bevel gear pair is assembled at the end part of the cam shaft;
and the belt pulley is arranged on the transmission shaft of the spiral bevel gear pair.
5. The shedding device of a top loom according to claim 4, wherein the conjugate cam is composed of a plurality of 111/111 cam pieces; the swing arm unit piece consists of a plurality of swing arm pieces;
the swing arm assembly further comprises two blocking rods, the blocking rods are sleeved on the swing arm shaft, and the blocking rods are located on two sides of the swing arm unit piece.
6. The shedding device of overhead loom of claim 4, wherein the transmission assembly further comprises a tension pulley assembly, the tension pulley assembly is mounted on the side of the cam box body, and the tension pulley assembly is used for adjusting the tightness of the belt on the pulley;
the tensioning wheel assembly comprises:
the swing arm seat is arranged on the side surface of the cam box body;
one end of the tensioning wheel swing arm is mounted on the swing arm shaft seat through a rotating shaft;
the tensioning wheel, the tensioning wheel install in the other end of tensioning wheel swing arm, just the tensioning wheel is located the belt pulley below.
7. A top loading loom shedding device according to claim 1, wherein the frame member comprises:
the two lower engine bases are arranged at intervals;
the two upper engine bases are connected with the lower engine bases in a one-to-one correspondence manner;
the lifting heald opening component is arranged on the upper base, one end of the beam is arranged on the upper base, the other end of the beam is arranged on the other upper base, the beam is a U-shaped beam, and the beam is internally assembled on the lifting heald opening component.
8. The overhead loom shedding device of claim 7, wherein the shedding member comprises:
one end of the first connecting rod is connected with the swing arm assembly;
the first shedding arm component is connected with the other end of the first connecting rod;
one end of the second connecting rod is connected with the first lifting heald arm component;
and the second lifting heald arm assembly is connected with the other end of the second connecting rod.
9. An overhead loom shedding device according to claim 8, wherein the length of the second link is greater than the length of the first link;
the lifting heddles of the first lifting heddle arm assembly and the second lifting heddle arm assembly are vertically downward.
10. The overhead loom opening device according to claim 9, wherein the cross member has a link guide groove installed therein, and the second link is engaged with the notch of the link guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418315.2A CN114959986A (en) | 2022-04-20 | 2022-04-20 | Top-mounted loom shedding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418315.2A CN114959986A (en) | 2022-04-20 | 2022-04-20 | Top-mounted loom shedding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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| CN202210418315.2A Pending CN114959986A (en) | 2022-04-20 | 2022-04-20 | Top-mounted loom shedding device |
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| CN202360540U (en) * | 2011-11-07 | 2012-08-01 | 邯郸供电公司 | Shaft pin lubricated by internally injecting lubricating oil |
| CN203451731U (en) * | 2013-07-05 | 2014-02-26 | 郑友富 | Self-locking connecting rod leveling mechanism of cam opening device |
| CN203805216U (en) * | 2014-05-14 | 2014-09-03 | 余姚市稳拿机械工贸有限公司 | Novel hand mould base chain |
| CN205099859U (en) * | 2015-11-05 | 2016-03-23 | 江苏牛牌纺织机械有限公司 | Change device of air jet loom cam opening fabric variety |
| CN209584469U (en) * | 2018-11-30 | 2019-11-05 | 靖江市中阳纺机配件制造有限公司 | A kind of cam opening device shield |
| CN214300558U (en) * | 2020-12-29 | 2021-09-28 | 江苏牛牌纺织机械有限公司 | Box body of loom cam opening device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2760067Y (en) * | 2004-12-07 | 2006-02-22 | 江苏牛牌纺织机械有限公司 | Active type cam opening device for ultra-high speed weaving machine |
| CN202360540U (en) * | 2011-11-07 | 2012-08-01 | 邯郸供电公司 | Shaft pin lubricated by internally injecting lubricating oil |
| CN203451731U (en) * | 2013-07-05 | 2014-02-26 | 郑友富 | Self-locking connecting rod leveling mechanism of cam opening device |
| CN203805216U (en) * | 2014-05-14 | 2014-09-03 | 余姚市稳拿机械工贸有限公司 | Novel hand mould base chain |
| CN205099859U (en) * | 2015-11-05 | 2016-03-23 | 江苏牛牌纺织机械有限公司 | Change device of air jet loom cam opening fabric variety |
| CN209584469U (en) * | 2018-11-30 | 2019-11-05 | 靖江市中阳纺机配件制造有限公司 | A kind of cam opening device shield |
| CN214300558U (en) * | 2020-12-29 | 2021-09-28 | 江苏牛牌纺织机械有限公司 | Box body of loom cam opening device |
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