CN113003281A - Cloth grabbing device structure of cloth spreading machine - Google Patents
Cloth grabbing device structure of cloth spreading machine Download PDFInfo
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- CN113003281A CN113003281A CN202110198177.7A CN202110198177A CN113003281A CN 113003281 A CN113003281 A CN 113003281A CN 202110198177 A CN202110198177 A CN 202110198177A CN 113003281 A CN113003281 A CN 113003281A
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- driving roller
- claw
- upper cloth
- support plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
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Abstract
A cloth grabbing device structure of a cloth spreading machine belongs to the technical field of clothing machinery. The device comprises a left supporting plate and a right supporting plate, wherein the upper part between the opposite sides of the left supporting plate and the right supporting plate is connected with a supporting plate upper cross beam, and the lower part is connected with a supporting plate lower cross beam; the left end of the upper cloth grabbing claw driving roller is supported on the left supporting plate, and the right end of the upper cloth grabbing claw driving roller is supported on the right supporting plate; the upper cloth grabbing claw driving roller power transmission mechanism is arranged on the left supporting plate and is connected with the left end of the upper cloth grabbing claw driving roller; the upper cloth grabbing claws are arranged at intervals along the length direction of the upper cloth grabbing claw driving roller, the rear ends of the upper cloth grabbing claws are fixed to the upper cloth grabbing claw driving roller, the front ends of the upper cloth grabbing claws extend to the front side of the lower cross beam of the supporting plate, the lower cloth grabbing claws are fixed to the front side of the lower cross beam of the supporting plate, and the upper cloth grabbing claw driving roller power transmission mechanism drives the upper cloth grabbing claw driving roller to close or release the front ends of the upper cloth grabbing claws and the lower cloth grabbing claws. The manufacture and the assembly are convenient; the cloth spreading and spreading effect is guaranteed; the failure probability is reduced; the working efficiency is guaranteed.
Description
Technical Field
The invention belongs to the technical field of clothing machinery, and particularly relates to a cloth grabbing device structure of a cloth spreading machine.
Background
The aforementioned spreading machine is also called "spreading machine", and even "spreading machine", and generally includes a spreading machine feeding device, a spreading machine spreading device and a spreading machine cutting device, wherein the spreading machine spreading device is used for clamping and pulling a cloth head of a cloth to a work table, i.e. a spreading table, so as to be cut by the spreading machine cutting device.
The published chinese patent documents do not contain technical information on the tenter, and examples thereof include CN202988390U (a knitted fabric tenter), CN103342251B (a tenter having a robot cloth clamping mechanism), CN104876053A (an automatic tenter), CN104925580A (a horizontal tenter device), CN204873049U (a tenter), CN206827779U (a rotary table spreader), CN203976079U (a spreader), CN107618935A (a spreader), CN208561132U (a double-layer spreader), and CN106629569A (a tenter).
The aforementioned cloth gripping device, also called "cloth clamping device", is a key mechanism of the structural system of the cloth pulling device of the spreading machine, because as known in the art: the cloth spreading device of the cloth spreading machine travels on a workbench, namely a cloth laying platform in a reciprocating manner, once the cloth is laid (one round trip), the cloth is grabbed and laid once, meanwhile, a cloth piece cut by the cloth cutting mechanism is added on the cloth laying platform, and the distance of each travel of the cloth spreading device of the cloth spreading machine depends on the length of the cloth piece required by the process and is specifically controlled by a PLC (programmable logic controller) of an electric controller of the cloth spreading machine. The cloth spreading device of the spreading machine is also called a walking trolley, the higher the reciprocating walking speed of the cloth spreading platform is, the higher the cloth spreading efficiency is correspondingly, and the cloth grabbing device serving as a key mechanism of the cloth spreading device is also higher in the cloth grabbing speed and the cloth releasing speed.
Technical information relating to the structure of the cloth grasping device can be found in the published chinese patent literature, typically "cloth spreading machine with manipulator cloth clamping mechanism" as recommended in patent publication No. CN103342251B, according to the description of paragraph 0022 of the patent specification and with reference to the schematic drawings: the patent realizes grabbing and releasing (releasing) the cloth by the synchronous work of a group of cloth clamping cylinders. As is also known from the "spreading device of spreading machine" provided by the invention patent publication No. CN105923446B filed by the present applicant, the cloth clamping mechanism described in the patent specification and the attached drawings of the specification realizes the cloth clamping and releasing (cloth releasing) by a set of cloth clamping cylinders (called as "cloth clamping acting cylinders"). Therefore, the two aforementioned patents have the same technical problems as follows, although they have the unique technical effects: firstly, because a group of cylinders distributed at intervals is required, the structure is relatively complex, the workload of manufacturing and assembling is increased, the economic advantage of low price is lost, and the workload of maintenance in daily use is increased; secondly, in the actual use process, only if the action strokes of all the cylinders are kept consistent in height, the whole grabbing force for grabbing the cloth can be balanced, and the cloth pulling and spreading effect of the cloth pulling device of the cloth pulling machine can be guaranteed, so that if one or more cylinders in a group of cylinders lose the cloth grabbing function or the cloth grabbing force is insufficient due to faults, the cloth pulling and spreading effect can be influenced; thirdly, because a group of cylinders is adopted, corresponding air source devices such as air pumps or air compressors need to be equipped, and branch pipes and electromagnetic control valves and the like are also needed to be equipped in the same number as the cylinders, so that pipelines are numerous, particularly: the cloth grabbing device moves on the cloth spreading table in a reciprocating mode along with the cloth pulling device of the cloth pulling machine, so that the overall neatness of the cloth pulling machine is affected, and the failure probability of pipelines and valves is increased; fourthly, when the cloth pulling device of the spreading machine walks in place in a direction (walking along the cloth laying platform) away from the cloth feeding device or in a direction away from the cloth pressing and cutting device under the condition that the cloth grabbing device grabs the cloth head, if a certain cylinder fails or works badly and does not release the cloth head, the released cloth head which cannot be released can be brought back when the cloth pulling device of the spreading machine returns, so that the cloth disorder phenomenon is caused, and only the machine can be stopped for disposal, thereby affecting the operation efficiency. In view of the foregoing technical problems, which are not intended to be limiting, there is a need for reasonable improvements, and the technical solutions described below are made in this context.
Disclosure of Invention
The invention aims to provide a cloth grabbing device structure of a cloth pulling machine, which is beneficial to obviously simplifying the structure, facilitating the manufacture and the assembly, embodying the economy, reducing the inspection and protection workload in daily use, applying a balanced cloth grabbing acting force to the width direction of a cloth head to ensure the cloth pulling and spreading effect, abandoning the design mode of using an air cylinder to embody a good tidy effect, obviously reducing the fault probability, conveniently embodying the high consistency effect of grabbing and releasing the cloth head to eliminate the cloth disorder situation and fully ensuring the operation efficiency.
The invention aims to complete the task, and the cloth grabbing device structure of the cloth spreading machine comprises a left supporting plate and a right supporting plate, wherein the left supporting plate and the right supporting plate correspond to each other left and right, the upper part between the opposite sides of the left supporting plate and the right supporting plate is fixedly connected with a supporting plate upper cross beam, and the lower part between the opposite sides of the left supporting plate and the right supporting plate is fixedly connected with a supporting plate lower cross beam; an upper cloth claw driving roller which corresponds to the rear of the length direction of the lower cross beam of the support plate, and of which the left end is rotatably supported on the left support plate and the right end is rotatably supported on the right support plate; the upper cloth grabbing claw driving roller power transmission mechanism is arranged on the left supporting plate and is in transmission connection with the left end of the upper cloth grabbing claw driving roller; the cloth grabbing device comprises an upper cloth grabbing claw and a lower cloth grabbing claw, wherein the upper cloth grabbing claw is arranged along the length direction of an upper cloth grabbing claw driving roller at intervals, the rear end of the upper cloth grabbing claw is fixed with the upper cloth grabbing claw driving roller, the front end of the upper cloth grabbing claw extends to the front side of a lower cross beam of a supporting plate at a position above the lower cross beam of the supporting plate, the lower cloth grabbing claw is fixed to the front side of the lower cross beam of the supporting plate at a position corresponding to the front end of the upper cloth grabbing claw, and the upper cloth grabbing claw driving roller drives the upper cloth grabbing claw driving roller and enables the front end of the upper cloth grabbing claw to be closed or be released from being closed with the lower cloth grabbing claw under the rotation of the upper cloth grabbing claw driving roller.
In a specific embodiment of the present invention, an upper gripper driving roller left shaft head is formed at a left end of the upper gripper driving roller, the upper gripper driving roller left shaft head is rotatably supported on the left support plate through a left shaft head support bearing, an upper gripper driving roller right shaft head is formed at a right end of the upper gripper driving roller, the upper gripper driving roller right shaft head is rotatably supported on the right support plate through a right shaft head support bearing, and the upper gripper driving roller right shaft head extends to the right side of the right support plate.
In another specific embodiment of the present invention, a front blocking leg and a rear blocking leg are fixed to the right side of the right support plate, a space between the front blocking leg and the rear blocking leg is configured to define an arm cavity, and a defining arm, the lower portion of which extends into the defining arm cavity, is fixed to the right shaft head of the upper cloth gripping claw driving roller and is located at the right side of the right support plate.
In another specific embodiment of the invention, the power transmission mechanism of the upper cloth-gripping claw driving roller comprises an upper cloth-gripping claw driving roller driving motor, an upper cloth-gripping claw driving roller driving reduction gearbox, a driving transmission wheel, a driven transmission wheel and a transmission belt, the upper cloth-gripping claw driving roller driving motor is in transmission fit with the upper cloth-gripping claw driving roller driving reduction gearbox and is fixed on the left side of the left supporting plate by the upper cloth-gripping claw driving roller driving reduction gearbox and the upper cloth-gripping claw driving roller driving reduction gearbox, the upper cloth-gripping claw driving roller driving reduction gearbox power output shaft of the upper cloth-gripping claw driving roller driving reduction gearbox extends to the right side of the left supporting plate, the driving transmission wheel is positioned on the right side of the left supporting plate and is fixed on the upper cloth-gripping claw driving roller left shaft head of the upper cloth-gripping claw driving roller at a position corresponding to the front of the driving transmission wheel, one end of the transmission belt is sleeved on the driving transmission wheel, and the other end of the transmission belt is sleeved on the driven transmission wheel.
In another specific embodiment of the present invention, the driving motor of the upper cloth-gripping claw driving roller is a motor with a forward and backward rotation function, the driving transmission wheel and the driven transmission wheel are sprockets or pulleys, and the transmission belt is a chain or a belt.
In a further specific embodiment of the present invention, an upper cloth gripping claw driving roller ferrule is formed at a rear end of the upper cloth gripping claw, the upper cloth gripping claw driving roller ferrule is fitted over the upper cloth gripping claw driving roller and locked by a locking screw, and a lower cloth gripping claw folded-out portion folded-out downward is formed at a front end of the upper cloth gripping claw, and a bottom surface of the upper cloth gripping claw folded-out portion is closed or opened with the lower cloth gripping claw fixed to a front side of the lower beam of the support plate.
In a more specific embodiment of the present invention, in the lower cloth gripping claws, every two to four lower cloth gripping claws are formed by bending at intervals on the same lower cloth gripping claw seat and are fixed by the same lower cloth gripping claw seat and the front side of the lower cross beam of the support plate.
In a further particular embodiment of the invention, the upper and lower gripper jaws are formed by spring steel plates.
In a still more specific embodiment of the present invention, a wind sweeping frame is pivotally arranged between the left support plate and the right support plate and at a position corresponding to the upper rear portion of the upper cloth gripping claw driving roller, and a wind sweeping frame driving mechanism is arranged on the right support plate and is in transmission connection with the wind sweeping frame.
In yet another specific embodiment of the present invention, the wind sweeping frame comprises a wind sweeping rod swing arm actuating roller, a wind sweeping rod and a pair of wind sweeping rod swing arms, wherein the left end of the wind sweeping rod swing arm actuating roller is rotatably supported on the left support plate through a bearing, the right end of the wind sweeping rod swing arm actuating roller is also rotatably supported on the right support plate through a bearing, the right end of the wind sweeping rod swing arm actuating roller extends to the right side of the right support plate, one wind sweeping rod swing arm of the pair of wind sweeping rod swing arms is sleeved at the left end of the wind sweeping rod swing arm actuating roller, one wind sweeping rod swing arm of the pair of wind sweeping rod swing arms is sleeved at the right end of the wind sweeping rod swing arm actuating roller, and the other wind sweeping rod swing arms are respectively connected with the two ends of the wind sweeping rod; the wind sweeping frame driving mechanism comprises a wind sweeping rod swing arm actuating roller motor, a motor gear and a swing arm gear, the wind sweeping rod swing arm actuating roller motor is fixed on the left side of the right supporting plate in a horizontal state, a motor shaft of the wind sweeping rod swing arm actuating roller motor extends to the right side of the right supporting plate, the motor gear is located on the right side of the right supporting plate and is fixed on the motor shaft, the swing arm gear is located on the right side of the right supporting plate and is fixed at the right end of the wind sweeping rod swing arm actuating roller, and the swing arm gear is meshed with the motor gear.
One of the technical effects of the technical scheme provided by the invention is that the upper cloth grabbing claw driving roller driven by the upper cloth grabbing claw driving roller power transmission mechanism is adopted, and the upper cloth grabbing claw arranged on the upper cloth grabbing claw driving roller and the lower cloth grabbing claw which is fixed on the lower beam of the supporting plate and corresponds to the upper cloth grabbing claw in position are adopted, so that the structure is obviously simplified, the manufacturing and the assembly are convenient, the economical efficiency is reflected, and the inspection and protection workload in daily use is reduced; secondly, because the upper and lower cloth grabbing claws exert good balanced cloth grabbing acting force on the cloth head in the width direction, the cloth spreading effect of the cloth spreading device of the cloth spreading machine can be ensured; thirdly, as the design mode of adopting the air cylinder in the prior art is abandoned, good tidying effect can be embodied and the failure probability can be obviously reduced; fourthly, the mutual matching of the upper and lower cloth grabbing claws can ensure the highly consistent effect of grabbing and releasing the cloth head, the condition of cloth disorder caused by misoperation can not occur, and the full guarantee of the operating efficiency is facilitated.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical spirit and the advantages of the present invention, the applicant below describes in detail by way of example, but the description of the example is not intended to limit the technical scope of the present invention, and any equivalent changes made according to the present inventive concept, which are merely in form and not in material, should be considered as the technical scope of the present invention.
In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are exemplified by the position state of fig. 1, and thus, it should not be understood as a particular limitation to the technical solution provided by the present invention.
Referring to fig. 1, there are shown a left support plate 1 and a right support plate 2, the left support plate 1 and the right support plate 2 corresponding to each other left and right, and a support plate upper cross member 3a fixedly connected to an upper portion between the facing sides of the left support plate 1 and the right support plate 2, and a support plate lower cross member 3b fixedly connected to a lower portion between the facing sides of the left support plate 1 and the right support plate 2, the support plate upper and lower cross members 3a, 3b forming a diagonally disposed positional relationship with each other with respect to the positions of the left and right support plates 1, 2 as shown in fig. 1; an upper claw driving roller 4 is shown, which upper claw driving roller 4 corresponds to the rear of the length direction of the aforementioned support plate lower beam 3b, and which upper claw driving roller 4 is rotatably supported at the left end on the aforementioned left support plate 1 and at the right end on the aforementioned right support plate 2; an upper claw drive roller power transmission mechanism 5 is shown, the upper claw drive roller power transmission mechanism 5 is arranged on the left support plate 1 and is in transmission connection with the left end of the upper claw drive roller 4; an upper cloth gripping claw 6 and a lower cloth gripping claw 7 are shown, the upper cloth gripping claw 6 is arranged at an interval along the length direction of the aforementioned upper cloth gripping claw driving roller 4 and the rear end of the upper cloth gripping claw 6 is fixed to the upper cloth gripping claw driving roller 4, while the front end of the upper cloth gripping claw 6 extends to the front side of the aforementioned support plate lower cross beam 3b at a position corresponding to the upper side of the aforementioned support plate lower cross beam 3b, the lower cloth gripping claw 7 is fixed to the front side of the support plate lower cross beam 3b at a position corresponding to the front end of the upper cloth gripping claw 6, the aforementioned upper cloth gripping claw driving roller 4 is driven by the aforementioned upper cloth gripping claw driving roller 5 and the front end of the aforementioned upper cloth gripping claw 6 is closed or released from the aforementioned lower cloth gripping claw 7 under the rotation of the upper cloth gripping claw driving roller 4.
An upper cloth claw driving roller left spindle head 41 is formed at the left end of the aforementioned upper cloth claw driving roller 4, the upper cloth claw driving roller left spindle head 41 is rotatably supported on the aforementioned left support plate 1 through a left spindle head support bearing 411, an upper cloth claw driving roller right spindle head 42 is formed at the right end of the aforementioned upper cloth claw driving roller 4, the upper cloth claw driving roller right spindle head 42 is rotatably supported on the aforementioned right support plate 2 through a right spindle head support bearing 421, and the upper cloth claw driving roller right spindle head 42 extends to the right side of the right support plate 2.
Continuing to fig. 1, a front block 21 and a rear block 22 are fixed to the right side of the right support plate 2, the space between the front block 21 and the rear block 22 is configured to define an arm chamber 23, and a restricting arm 422 is fixed to the right shaft head 42 of the upper gripper driving roller and to the right side of the right support plate 2 by a restricting arm fixing screw 4221, and the lower portion of the restricting arm 422 extends into the aforementioned restricting arm chamber 23.
The power transmission mechanism 5 of the upper cloth-grabbing claw driving roller comprises an upper cloth-grabbing claw driving roller driving motor 51, an upper cloth-grabbing claw driving reduction gearbox 52, a driving transmission wheel 53, a driven transmission wheel 54 and a transmission belt 55, wherein the upper cloth-grabbing claw driving roller driving motor 51 is in transmission fit with the upper cloth-grabbing claw driving reduction gearbox 52, the upper cloth-grabbing claw driving reduction gearbox 52 and the upper cloth-grabbing claw driving roller driving motor 51 are fixed on the left side of the left support plate 1, an upper cloth-grabbing claw driving roller driving reduction gearbox power output shaft 521 of the upper cloth-grabbing claw driving reduction gearbox 52 extends to the right side of the left support plate 1, the driving transmission wheel 53 is positioned on the right side of the left support plate 1 and is fixed on the upper cloth-grabbing claw driving roller driving reduction gearbox power output shaft 521, the driven transmission wheel 54 is positioned on the right side of the left support plate 1 and is fixed on the left side of the upper cloth-grabbing claw driving roller driving reduction gearbox of the One end of a transmission belt 55 is sleeved on the driving transmission wheel 53 and the other end is sleeved on the driven transmission wheel 54 on the shaft head 41.
In this embodiment, the upper claw driving roller 51 is a motor having a forward and reverse rotation function, the driving transmission wheel 53 and the driven transmission wheel 54 are sprockets, and the transmission belt is a chain. The applicant needs to state that: if the driving transmission wheel 53 and the driven transmission wheel 54 are replaced by pulleys and the chain is replaced by a belt, the technical means should be regarded as equivalent and still fall within the technical scope of the present disclosure.
Continuing to refer to fig. 1, an upper cloth gripping claw driving roller ferrule 61 is formed at the rear end of the upper cloth gripping claw 6, the upper cloth gripping claw driving roller ferrule 61 is fitted over the upper cloth gripping claw driving roller 4 and locked by a locking screw 611 (a pair), an upper cloth gripping claw folded and unfolded portion 62 folded and unfolded downward is formed at the front end of the upper cloth gripping claw 6, and the bottom surface of the upper cloth gripping claw folded and unfolded portion 62 is closed or released from the lower cloth gripping claw 7 fixed to the front side of the support plate lower beam 3 b.
Preferably, a flexible lining 621 is fixed (i.e. inserted) on the upper cloth-gripping claw folding-unfolding portion 62, the flexible lining 621 plays a role of preventing the bottom surface of the upper cloth-gripping claw folding-unfolding portion 62 from possibly impacting and buffering the lower cloth-gripping claw 7, and the flexible lining 621 fixed on the upper cloth-gripping claw folding-unfolding portion 62 also plays a role of enhancing the cloth-gripping (cloth-clamping) effect.
In the lower cloth holding claw 7, preferably, every two to four (i.e., two to four) lower cloth holding claws 7 are bent at intervals on the same lower cloth holding claw seat 71 and fixed to the front side of the support plate lower cross member 3b by the same lower cloth holding claw seat 71.
Preferably, the upper and lower cloth gripping claws 6 and 7 are formed of a spring steel plate.
In the present embodiment, although it is shown that every three lower cloth gripping claws 7 are formed on the same lower cloth gripping claw seat 71, that is, three lower cloth gripping claws 7 are folded and unfolded on the same lower cloth gripping claw seat 71 in the folded and unfolded state shown in fig. 1, if two or four or even five or the like are folded and unfolded on the same lower cloth gripping claw seat 71, it should be regarded as equivalent. Therefore, the plurality of lower cloth-grabbing claws 7 are formed on the same lower cloth-grabbing claw seat 71, so that the processing efficiency is improved, the installation speed is improved, the replacement cost in the damage process is saved, and the like.
When the upper cloth grabbing claw driving roller driving motor 51 works clockwise, the upper cloth grabbing claw driving roller is driven by the upper cloth grabbing claw driving roller to drive the reduction gearbox 52, the reduction gearbox power output shaft 521 is driven by the upper cloth grabbing claw driving roller to drive the driving transmission wheel 53, the driven transmission wheel 54 is driven by the transmission belt 55, so that the driven transmission wheel 54 drives the upper claw driving roller 4 to rotate clockwise through an angle, specifically, when the aforementioned limit arm 422 is blocked by the front catch 21, it indicates that the upper claw drive roller 4 has rotated to the limit, in this state, the rear end of the upper claw 6 also moves the front end of the upper claw 6 in a direction away from the lower claw 7 in accordance with the rotation of the upper claw driving roller 4, that is, the upper and lower cloth gripping claws 6 and 7 are released from each other, and the cloth previously gripped is released by the repulsion of the upper and lower cloth gripping claws 6 and 7, and the cloth is laid on the laying table. On the contrary, when the cloth spreading device of the cloth spreading machine returns to the cloth pressing mechanism for spreading cloth again, the upper cloth-grabbing claw driving roller driving motor 51 works in the reverse working state, and the upper and lower cloth-grabbing claws 6 and 7 are closed due to the fact that the upper cloth-grabbing claw driving roller 4 rotates for an angle relative to the reverse direction, so that the cloth head is grabbed, and cloth spreading of the next round is carried out.
Since the cloth grabbing and releasing principle belongs to the prior art, the invention only makes substantial changes on the structure of the prior art, so that although the applicant only makes a brief description above, the understanding of the person skilled in the art is not confused, because the cloth grabbing and releasing principle can be found in CN103342251B, CN105923446B and the like mentioned in the above background art column.
Because air often exists between the cloth pieces paved on the cloth paving table, under the high-speed walking of the cloth spreading device of the spreading machine, the air between the cloth pieces can cause the cloth pieces to longitudinally fold, move, float and even cause the cloth disorder situation, and the cloth is lost and even scrapped in the subsequent cutting process, therefore, the invention is provided with the wind sweeping frame 8 between the left support plate 1 and the right support plate 2 and at the position corresponding to the rear upper part of the upper cloth grabbing claw driving roller 4 in a pivoting way, the right support plate 2 is provided with the wind sweeping frame driving mechanism 9, and the wind sweeping frame driving mechanism 9 is in transmission connection with the wind sweeping frame 8.
The wind sweeping rack 8 comprises a wind sweeping rod swing arm actuating roller 81, a wind sweeping rod 82 and a pair of wind sweeping rod swing arms 83, wherein the left end of the wind sweeping rod swing arm actuating roller 81 is rotatably supported on the left support plate 1 through a bearing, the right end of the wind sweeping rod swing arm actuating roller is also rotatably supported on the right support plate 2 through a bearing, the right end of the wind sweeping rod swing arm actuating roller 81 extends to the right side of the right support plate 2, one wind sweeping rod swing arm of the pair of wind sweeping rod swing arms 83 is fixedly sleeved at the left end of the wind sweeping rod swing arm actuating roller 81, the other wind sweeping rod swing arm of the pair of wind sweeping rod swing arms 83 is fixedly sleeved at the right end of the wind sweeping rod swing arm actuating roller 81, and the other ends of the wind sweeping rod swing arms 83 are respectively connected with the two ends of the wind sweeping rod 82.
The sweep frame driving mechanism 9 includes a sweep bar swing arm actuator motor 91, a motor gear 42 and a swing arm gear 93, the sweep bar swing arm actuator motor 91 is fixed to the left side of the right support plate 2 in a horizontal state, a motor shaft 911 of the sweep bar swing arm actuator motor 91 extends to the right side of the right support plate 2, the motor gear 92 is located on the right side of the right support plate 2 and fixed to the motor shaft 911, the swing arm gear 93 is located on the right side of the right support plate 2 and fixed to the right end of the sweep bar swing arm actuator 81, and the swing arm gear 93 is engaged with the motor gear 92.
When the sweep bar swing arm actuator roller motor 91 works, the motor shaft 911 drives the motor gear 92, and since the swing arm gear 93 is engaged with the motor gear 92, the motor gear 92 drives the swing arm gear 93, the swing arm gear 93 drives the sweep bar swing arm actuator roller 81, and the sweep bar 82 is driven by the pair of sweep bar swing arms 83. The operating states of the normal rotation and the reverse rotation of the sweep arm swing actuator roller motor 91 determine the states of the raising and lowering of the sweep lever 82. For example, when the cloth spreading device of the cloth spreading machine moves towards the direction of the cloth feeding frame, that is, towards the direction of the cloth pressing and cutting mechanism, that is, in the process of returning the cloth spreading device and re-spreading the cloth, the air sweeping rod 82 rises to leave the cloth surface, otherwise, the cloth disorder is caused, and when the cloth gripping mechanism of the cloth spreading machine, for example, the upper and lower cloth gripping claws 6 and 7 of the cloth gripping device of the invention move towards the direction away from (departing from) the cloth pressing and cutting mechanism, the air sweeping rod 82 descends to be in a state of being in contact with the cloth surface, so that the air between the upper layer cloth and the lower layer cloth is driven out.
Also shown in fig. 1 are a pair of right support plate lifting guide wheels 24 rotatably disposed in a matched pair on the upper and lower right side of the right support plate 2. according to the conventional knowledge, a left support plate lifting guide wheel (not shown) equivalent to the right support plate lifting guide wheel 24 is also disposed on the left side of the left support plate 1. the left support plate lifting guide wheel and the right support plate lifting guide wheel 24 are used for slidably matching the left and right support plates 1, 2 with left and right guide rails disposed on left and right wall plates of the cloth spreading device of the cloth spreading machine. Since the invention will gradually go upward with the increase of the height of the cloth laid on the cloth laying table after the invention is matched with the cloth spreading device of the cloth spreading machine and in the actual use process, the applicant can see the above mentioned patent documents of CN103342251B and CN105923446B, etc., and therefore, the applicant will not describe in detail.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (10)
1. A cloth grabbing device structure of a cloth spreading machine is characterized by comprising a left supporting plate (1) and a right supporting plate (2), wherein the left supporting plate (1) and the right supporting plate (2) correspond to each other left and right, a supporting plate upper cross beam (3a) is fixedly connected to the upper part between the opposite sides of the left supporting plate (1) and the right supporting plate (2), and a supporting plate lower cross beam (3b) is fixedly connected to the lower part between the opposite sides of the left supporting plate (1) and the right supporting plate (2); an upper cloth claw driving roller (4), the upper cloth claw driving roller (4) corresponding to the rear of the length direction of the support plate lower cross beam (3b), and the left end of the upper cloth claw driving roller (4) being rotatably supported on the left support plate (1) and the right end being rotatably supported on the right support plate (2); the upper cloth grabbing claw driving roller power transmission mechanism (5) is arranged on the left supporting plate (1) and is in transmission connection with the left end of the upper cloth grabbing claw driving roller (4); the cloth grabbing device comprises an upper cloth grabbing claw (6) and a lower cloth grabbing claw (7), wherein the upper cloth grabbing claw (6) is arranged along the length direction of the upper cloth grabbing claw driving roller (4) at intervals, the rear end of the upper cloth grabbing claw (6) is fixed with the upper cloth grabbing claw driving roller (4), the front end of the upper cloth grabbing claw (6) extends to the front side of the lower cross beam (3b) of the supporting plate at a position corresponding to the upper part of the lower cross beam (3b) of the supporting plate, the lower cloth grabbing claw (7) is fixed to the front side of the lower cross beam (3b) of the supporting plate at a position corresponding to the front end of the upper cloth grabbing claw (6), and the front end of the upper cloth grabbing claw (6) and the lower cloth grabbing claw (7) are closed or released to be closed under the rotation of the upper cloth grabbing claw driving roller (4) and the upper cloth grabbing claw driving roller (4).
2. The structure of a cloth gripping device for a spreading machine according to claim 1, wherein an upper cloth gripping claw driving roller left shaft head (41) is formed at the left end of said upper cloth gripping claw driving roller (4), said upper cloth gripping claw driving roller left shaft head (41) is rotatably supported on said left support plate (1) through a left shaft head support bearing (411), an upper cloth gripping claw driving roller right shaft head (42) is formed at the right end of said upper cloth gripping claw driving roller (4), said upper cloth gripping claw driving roller right shaft head (42) is rotatably supported on said right support plate (2) through a right shaft head support bearing (421), and said upper cloth gripping claw driving roller right shaft head (42) extends to the right side of said right support plate (2).
3. The structure of a cloth grasping device for a spreader according to claim 2, characterized in that a front catch (21) and a rear catch (22) are fixed to the right side of said right support plate (2), the space between the front catch (21) and the rear catch (22) is configured to define an arm chamber (23), a defining arm (422) is fixed to the upper cloth grasping claw drive roller right shaft head (42) and to the right side of the right support plate (2), and the lower portion of the defining arm (422) extends into said defining arm chamber (23).
4. The cloth grabbing device structure of the spreading machine according to claim 2, characterized in that the upper cloth grabbing claw driving roller power transmission mechanism (5) comprises an upper cloth grabbing claw driving roller driving motor (51), an upper cloth grabbing claw driving roller driving reduction gearbox (52), a driving transmission wheel (53), a driven transmission wheel (54) and a transmission belt (55), the upper cloth grabbing claw driving roller driving motor (51) is in transmission fit with the upper cloth grabbing claw driving roller driving reduction gearbox (52) and the upper cloth grabbing claw driving roller driving motor (51) are fixed on the left side of the left support plate (1), an upper cloth grabbing claw driving roller driving reduction gearbox power output shaft (521) of the upper cloth grabbing claw driving roller driving reduction gearbox (52) extends to the right side of the left support plate (1), the driving transmission wheel (53) is positioned on the right side of the left support plate (1) and fixed on the upper cloth grabbing claw driving reduction gearbox power output shaft (521), the driven transmission wheel (54) is positioned on the right side of the left support plate (1) and is fixed on an upper cloth grabbing claw driving roller left shaft head (41) of the upper cloth grabbing claw driving roller (4) at a position corresponding to the front of the driving transmission wheel (53), one end of the transmission belt (55) is sleeved on the driving transmission wheel (53), and the other end of the transmission belt is sleeved on the driven transmission wheel (54).
5. The cloth gripping device structure of the spreading machine according to claim 4, characterized in that the driving motor (51) of the upper cloth gripping claw driving roller is a motor with a forward and reverse rotation function, the driving transmission wheel (53) and the driven transmission wheel (54) are chain wheels or belt pulleys, and the transmission belt is a chain or a belt.
6. The structure of a cloth gripping device for a spreader according to claim 1, wherein an upper claw driving roller loop (61) is formed at a rear end of the upper claw (6), the upper claw driving roller loop (61) is fitted over the upper claw driving roller (4) and locked by a locking screw (611), and a lower claw folded portion (62) folded downward is formed at a front end of the upper claw (6), and a bottom surface of the upper claw folded portion (62) is closed or released from the lower claw (7) fixed to a front side of the lower beam (3b) of the support plate.
7. The structure of the cloth gripping device of the spreading machine according to claim 6, characterized in that, in the lower cloth gripping claws (7), every two to four lower cloth gripping claws (7) are formed by bending at intervals on the same lower cloth gripping claw seat (71) and fixed by the same lower cloth gripping claw seat (71) and the front side of the lower beam (3b) of the supporting plate.
8. The structure of the cloth gripping device of the spreading machine according to claim 1, 6 or 7, characterized in that said upper (6) and lower (7) cloth gripping claws are constituted by spring steel plates.
9. The structure of the cloth gripping device of the spreading machine according to claim 1, characterized in that a sweeping wind frame (8) is pivotally provided between the left support plate (1) and the right support plate (2) at a position corresponding to the upper rear portion of the upper claw drive roller (4), and a sweeping wind frame driving mechanism (9) is provided on the right support plate (2), the sweeping wind frame driving mechanism (9) being in transmission connection with the sweeping wind frame (8).
10. The cloth gripping device structure of a spreader according to claim 9, wherein the sweep frame (8) comprises a sweep bar swing arm actuating roller (81), a sweep bar (82) and a pair of sweep bar swing arms (83), the sweep bar swing arm actuating roller (81) being rotatably supported at its left end on the left support plate (1) by means of bearings and at its right end on the right support plate (2) also by means of bearings, the right end of the sweep bar swing arm actuating roller (81) extends to the right side of the right supporting plate (2), one of the sweep bar swing arms (83) is fixedly sleeved at the left end of the sweep bar swing arm actuating roller (81), one end of the other air sweeping rod swing arm in the pair of air sweeping rod swing arms (83) is fixedly sleeved at the right end of the air sweeping rod swing arm actuating roller (81), and the other ends of the pair of air sweeping rod swing arms (83) are respectively connected with two ends of the air sweeping rod (82); the wind sweeping frame driving mechanism (9) comprises a wind sweeping rod swing arm actuating roller motor (91), a motor gear (42) and a swing arm gear (93), the wind sweeping rod swing arm actuating roller motor (91) is fixed to the left side of the right support plate (2) in a horizontal state, a motor shaft (911) of the wind sweeping rod swing arm actuating roller motor (91) extends to the right side of the right support plate (2), the motor gear (92) is located on the right side of the right support plate (2) and fixed to the motor shaft (911), the swing arm gear (93) is located on the right side of the right support plate (2) and fixed to the right end of the wind sweeping rod swing arm actuating roller (81), and the swing arm gear (93) is meshed with the motor gear (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198177.7A CN113003281A (en) | 2021-02-22 | 2021-02-22 | Cloth grabbing device structure of cloth spreading machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198177.7A CN113003281A (en) | 2021-02-22 | 2021-02-22 | Cloth grabbing device structure of cloth spreading machine |
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| CN113003281A true CN113003281A (en) | 2021-06-22 |
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|---|---|---|---|
| CN202110198177.7A Pending CN113003281A (en) | 2021-02-22 | 2021-02-22 | Cloth grabbing device structure of cloth spreading machine |
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Application publication date: 20210622 |