CN109706656B - Tabouret structure with automatic limiting function - Google Patents
Tabouret structure with automatic limiting function Download PDFInfo
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- CN109706656B CN109706656B CN201910180261.9A CN201910180261A CN109706656B CN 109706656 B CN109706656 B CN 109706656B CN 201910180261 A CN201910180261 A CN 201910180261A CN 109706656 B CN109706656 B CN 109706656B
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000006698 induction Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000001939 inductive effect Effects 0.000 description 7
- 238000013459 approach Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009956 embroidering Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
An embroidery frame structure with automatic limit belongs to the technical field of embroidery machines. The embroidery machine frame structure comprises a bedplate arranged on the embroidery machine frame, an embroidery frame arranged above the bedplate, a crosspiece arranged on the embroidery frame, and a driving mechanism arranged on the embroidery machine frame and used for driving the embroidery frame to move; the device also comprises a crosspiece limiting assembly, wherein the crosspiece limiting assembly comprises a sensed element arranged at the bottom of a crosspiece and a sensing element arranged below the bedplate; the sensing element is arranged at a critical position close to a needle-down area of the embroidery machine head, and the critical position is used for limiting the movement range of the crosspiece so as to avoid interference with the embroidery machine needle; the sensing element is used for sensing the sensed element on the crosspiece moving along with the tabouret and sending a sensing signal to the driving mechanism, so that the driving mechanism stops moving or moves reversely. The invention can meet the requirements of embroidery materials with different sizes by only adjusting the position of the crosspiece assembled on the embroidery frame and adjusting the assembly position of the crosspiece limiting assembly, and has the advantages of simple assembly, time saving and labor saving.
Description
Technical Field
The invention belongs to the technical field of embroidery machines, and particularly relates to an embroidery frame structure with automatic limiting function.
Background
The computerized embroidery machine realizes the embroidery process by the reciprocating planar motion of the embroidery frame on the X, Y horizontal plane and the up-down regular motion of the embroidery needle. Currently, because of the different sizes of embroidered material on the market, in order to accommodate more products, custom embroidery machines are generally customized to larger sizes. When a customer needs to embroider embroideries with different sizes, a crosspiece needs to be additionally arranged, different embroidering modes are adapted by adjusting the mounting position of the crosspiece on the embroidery frame, and meanwhile, the position of the crosspiece needs to be controlled not to move to a needle-discharging area of the machine head, so that the needle is prevented from directly colliding with the crosspiece when the needle is discharged, and mechanical accidents occur.
The crosspiece is avoided colliding with the needle, and the existing design device also adopts travel switch control. For example, the applicant discloses a frame driving device for a computerized embroidery machine in the prior invention CN201400782Y, and specifically discloses a frame driving device comprising a travel switch and a driving seat connected with the frame, wherein the driving seat is arranged on a synchronous belt running along a driving guide rail, the synchronous belt is driven by a motor through a shaft rod, and the travel switch comprises a proximity switch plate extending from one side of the driving seat and proximity switches with sensing holes arranged at two ends of the driving guide rail. The embroidery range is limited by utilizing the approach switch to sense the approach switch plate, and the embroidery range is mainly used for limiting the embroidery frame, and if the embroidery frame is used for limiting the crosspiece, the positions of the approach switch and the approach switch plate need to be adjusted each time in order to adapt to different embroidery sizes, so that the adjustment is tedious, inconvenient and time-consuming and labor-consuming. In addition, because the installation of the proximity switch plate needs to be extended out of one side of the driving seat, a certain assembly space is needed, and when the installation space is narrow, the crosspiece and the sensing device cannot be installed to meet the embroidery demands of different embroidery sizes.
In addition, there is a mechanical limit mode, two limit switches are installed on the Y direction of the embroidery machine frame (namely, the direction of the embroidery machine frame moving back and forth when the embroidery machine works, the embroidery machine frame moves forward to the machine head needle-down area and moves backward away from the machine head needle-down area), one limit switch is arranged on the embroidery machine frame and is close to the machine head needle-down area, and the other limit switch is arranged on the embroidery machine frame and is far away from the machine head needle-down area. The driving mechanism for driving the embroidery frame to move is provided with a safety stop block. When the tabouret moves forwards and backwards under the drive of the driving mechanism, the driving mechanism stops moving when the tabouret moves to touch any limit switch. However, in order to adapt to different embroidery sizes, the limit switch is also required to be disassembled and assembled and the assembly position of the limit switch is adjusted, so that the adjustment is complicated and inconvenient, and in the limit process, the limit switch repeatedly collides with the safety stop block, so that the limit switch is easy to damage. Meanwhile, when the installation space is not narrow, the limit switch matched with the crosspiece and the position of the crosspiece cannot be installed.
The existing embroidery machine also adopts software for limiting. Before the embroidery process starts, the specification of the embroidery frame currently mounted on the platen of the embroidery machine is manually input into the embroidery machine control module so that the processor of the embroidery machine can call the corresponding embroidery limit information according to the specification of the embroidery frame. The manual input mode is easy to cause misinput of operators, so that the input tabouret specification is not matched with the tabouret specification actually installed, and the retrieved embroidery limit information is wrong, so that the embroidery machine head cannot be ensured to work in a safe range. When the computer is restarted, a professional is required to set parameters, and meanwhile, the program is inconvenient to design and control in the electric control system. In addition, in order to adapt to embroidery materials with different sizes, in addition to adjusting the mounting position of the crosspiece, the specification of the embroidery frame is required to be input again, corresponding embroidery limit information is required to be called again, and the adjustment process is still complicated and inconvenient. The invention patent CN03853041B 'self-adaptive tabouret identification method and system' solves the problems of inconvenience and easy error caused by manual input by adopting the identification element of the identification area on the tabouret to identify the identification element, but a plurality of sensing elements and identification elements are needed, and the number of components is increased and the cost is greatly increased along with the increase of the size of embroidery materials. The invention mainly recognizes the mark on the embroidery frame, further automatically confirms the actual specification corresponding to the mark, and further invokes embroidery limit information conforming to the actual specification, and in order to adapt to embroidery materials with different sizes each time, besides adjusting the mounting position of the crosspiece, the mark on the embroidery frame needs to be recognized again, and then the mark information is processed to obtain the actual specification, so that the embroidery limit information is obtained, the data processing process is long, and the working efficiency of the embroidery machine is affected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the tabouret structure capable of automatically limiting after the size of the embroidered material is adjusted, and the structure has the characteristics of accuracy, reliability, convenience and labor saving.
The invention is realized by the following technical scheme:
The invention provides an embroidery frame structure with automatic limiting, which comprises a bedplate arranged on a frame of an embroidery machine, an embroidery frame arranged above the bedplate, a crosspiece arranged on the embroidery frame, and a driving mechanism arranged on the frame of the embroidery machine and used for driving the embroidery frame to move; the device also comprises a crosspiece limiting assembly, wherein the crosspiece limiting assembly comprises a sensed element arranged at the bottom of a crosspiece and a sensing element arranged below the bedplate; the sensing element is arranged at a critical position close to a needle-down area of the embroidery machine head, and the critical position is used for limiting the movement range of the crosspiece so as to avoid interference with the embroidery machine needle; the sensing element is used for sensing the sensed element on the crosspiece moving along with the tabouret and sending a sensing signal to the driving mechanism, so that the driving mechanism stops moving or moves reversely.
In the past, mechanical limit is adopted, and an assembly position (mainly reserved for the upward assembly position of the embroidery machine Y) is reserved for a proximity switch plate and a proximity switch or for a limit switch and a safety stop block, so that once the assembly position is insufficient, the assembly of a crosspiece is difficult to cooperate to realize the limit control of the width of the crosspiece. The invention adopts the induction element arranged above the bedplate and the induced element arranged at the bottom of the crosspiece, and solves the problem of narrow assembly space by the assembly in the vertical direction (namely Z direction) of the embroidery machine. Meanwhile, the sensing element is a non-contact sensor, signals can be sensed without mechanical collision, repeated collision can be avoided, and the service life of the limiting assembly is shortened.
The sensing element is arranged below the bedplate and is fixed at a critical position close to the needle-down area of the machine head of the embroidery machine. The sensed element is arranged on the crosspiece and moves along with the movement of the crosspiece and the tabouret. When the embroidery needs of different sizes are met, only the positions of the crosspiece assembly and the embroidery frame are required to be adjusted, the assembly position of the crosspiece limiting assembly is not required to be adjusted, the assembly is convenient and fast, and time and labor are saved.
Preferably, the sensed element and the sensing element are arranged in the vertical direction of the embroidery machine frame with a certain distance therebetween.
Preferably, the rail stop assembly further comprises a mounting bracket assembly; one end of the mounting bracket component is arranged on the embroidery machine frame, and the other end of the mounting bracket component is used for bearing the sensing element.
Preferably, the sensed element is a reflective strip; the sensing element is a photoelectric detection sensor.
Preferably, the embroidery machine tabouret structure further comprises an illumination light source arranged at the bottom of the crosspiece for enhancing the brightness of the light source around the sensed element.
Preferably, the sensed element is a soft magnetic strip; the sensing element is a non-contact sensor.
Preferably, the length of the soft magnetic strip is at least the stroke of the tabouret in the X direction.
Preferably, the bottom of the crosspiece is provided with a containing groove for containing the sensed element.
Preferably, there are at most two of said rail stop assemblies; when there are two, two inductive elements are respectively arranged at two sides of the bottom of the crosspiece, and the two inductive elements are respectively arranged at the outer sides of the head and the tail heads of the embroidery machine; when one is arranged, the sensed element is arranged at one side of the bottom of the crosspiece, which is close to the needle-down area of the embroidery machine head, and the sensing element is arranged at the position of the bedplate, which is close to the first driving mechanism.
Preferably, the tabouret structure further comprises a tabouret limiting assembly.
The invention has the following beneficial effects:
The invention relates to an embroidery frame structure with automatic limit, which can automatically limit after the size of embroidery materials is adjusted.
Drawings
FIG. 1 is a schematic view of an embroidery frame structure with automatic limiting and assembled on a frame of an embroidery machine according to the present invention;
FIG. 2 is an exploded view of a rail and rail stop assembly in a tabbed structure with automatic stop in accordance with the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
Fig. 4 is a schematic structural view of an tabouret limiting assembly mounted on a frame of an embroidery machine in a tabouret structure with automatic limiting function according to the present invention.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, an tabouret structure with automatic limiting comprises a bedplate 2, a tabouret 3, a crosspiece 4 and a driving mechanism. The table plate 2 is fixedly arranged on the embroidery machine frame 1, and an embroidery frame 3 is arranged above the table plate 2 and is of a square frame structure. The size of the tabouret 3 defines the embroidery of a certain area of embroidering material, and when the needs of various sizes of users are met, the tabouret 3 is provided with a crosspiece 4. The crosspiece 4 is detachably assembled on the tabouret 3, and the assembling mode is not limited to screw fastening assembling or clamping assembling modes. The driving mechanism is arranged on the frame 1 of the embroidery machine and is used for driving the embroidery frame 3 to do reciprocating plane motion on a X, Y horizontal plane, and the crosspiece 4 moves along with the movement of the embroidery frame 3.
The driving mechanism comprises a driving motor 5, a driving trolley assembly 6, a connecting shaft 7 and a driving box assembly. The driving trolley component 6 is fixed with the embroidery frame 3, the driving motor 5 is installed on the embroidery machine frame 1, the driving motor 5 is connected with the driving box component through a connecting shaft 7, and a synchronous belt on a driving box belt wheel 34 drives the driving trolley component to move, and the driving trolley component drives the embroidery frame 3 to move back and forth. The driving mechanism is not limited to the driving mechanism of the above-described structure, and reference may also be made to a frame driving device as disclosed in the prior application CN206486682U or CN 201952623U.
In order to adjust the scope of the embroidery frame, the embroidery frame structure of the invention also comprises a crosspiece limiting assembly. The rung restriction assembly comprises a sensed element 8 and a sensing element 9. The sensed element 8 is disposed at the bottom of the rung 4. The sensing element 9 is arranged below the platen 2 at a critical position near the needle-down area 10 of the embroidery machine head. The critical position is used for limiting the movement range of the crosspiece, so that the crosspiece is prevented from moving to the needle-falling area of the machine head of the embroidery machine to interfere with the machine needles of the embroidery machine, and then mechanical accidents occur. The position of the sensing element 9 is relatively fixed with the needle-falling area of the machine head of the embroidery machine. The sensed member 8 moves with the movement of the embroidery frame 3. Therefore, embroidery work adapting to embroidery materials with different sizes can be immediately put into the position of the crosspiece 4 on the embroidery frame 3 only by reassembling, and the procedures of disassembling and assembling the limiting assembly and the time of adjusting the assembling position of the limiting assembly are directly omitted. As the tabouret 3 moves, the crosspiece 4 moves with it. When the crosspiece 4 moves to the position near the critical position, the sensing element 9 under the bedplate senses the sensed element 8 under the crosspiece 4, so that a signal is fed back to the driving motor, and the tabouret stops moving forwards, including stopping moving or moving opposite to the original running direction.
As shown in fig. 2 and 3, the sensing element 9 and the sensed element 8 adopt a non-contact sensing mode. The sensing element 9 and the sensed element 8 are arranged in the vertical direction of the embroidery machine frame 1 (i.e. the Z-axis direction of the embroidery machine frame), and a certain distance is reserved between the sensing element 9 and the sensed element 8, so that the contact between the sensing element 9 and the sensed element 8 can be avoided, the working performance of the sensing element is reduced, or the material of the sensed element is damaged, so that the sensing signal of the sensing element is influenced, the service life of the crosspiece limit assembly is further prolonged, and the maintenance cost is reduced.
The rail stop assembly also includes a mounting bracket assembly. The mounting bracket assembly comprises a connecting plate bracket 11 and a crosspiece limiting bracket 12. The connecting plate bracket 11 is arranged on the frame 1, one end of the crosspiece limiting bracket 12 is connected with the connecting plate bracket 11, and the other end is used for bearing the sensing element 9. In an assembled embodiment, the web support 11 has a base 111 and a web 112 perpendicular to the base. The bottom plate is fixed with the frame 1 through screws, and the connecting plate is used for connecting the crosspiece limiting support. The crosspiece limiting support 12 is provided with a crosspiece connecting plate 121 and a bearing plate 122 which forms an L-shaped structure with the crosspiece connecting plate. The crosspiece connecting plates 121 vertically overlap the connecting plates 112 and are fixed together by screws. The carrying plate 122 is horizontally arranged and is used for carrying the sensing element. The bedplate 2 is provided with a slotted hole for accommodating the induction element 9. The sensing element 9 is vertically arranged on the crosspiece limiting support 12, so that the phenomenon that the driving motor receives a sensing signal in advance to stop forward movement in advance due to inclined assembly is avoided, and embroidery materials with required sizes cannot be embroidered; or the drive motor is delayed from receiving the sensing signal to cause the crosspiece to interfere with the needle. In addition, the sensing element 9 is arranged close to the sensed element 8, so that signal sensing is quick and accurate. In order to avoid that the tabouret 3 rubs against the platen during movement, the sensing end of the sensing element 9 is at most arranged flush with the end face of the slot.
In an assembled embodiment, the sensed element 8 is a reflective strip, and the sensing element 9 is a photoelectric detection sensor. The photoelectric detection sensor, such as a color code sensor, is used for detecting the reflection light source of the reflection strip. As the tabouret 3 moves, the crosspiece 4 moves with it. When the crosspiece 4 moves to the position near the critical position, the color code sensor on the bedplate senses a light reflection signal below the crosspiece 4, so that the light reflection signal is fed back to the driving motor, and the forward movement is stopped. The length of the reflection strip is at least the stroke of the embroidery frame in the X direction, so that the induction element can be induced to the induced element at any position, and interference between the crosspiece and the needle is avoided. However, the brightness of the reflective light source is insufficient in the actual process of the mode, the reflective light source cannot be effectively received by the color code sensor, and then automatic limit of the crosspiece cannot be effectively achieved. The main reasons are that the light at the bottom of the crosspiece is limited and when embroidery materials are arranged on the tabouret, the light is darker. For this purpose, illumination sources, such as incandescent lamps or monochromatic light sources, are added near the reflective strips at the bottom of the rungs. Although the brightness of the light sources around the reflective strips is enhanced to some extent, there is still a small probability of an inefficient identification. Furthermore, the light source is arranged at the bottom of the crosspiece, wiring is needed, the crosspiece moves along with the movement of the tabouret, and the arrangement of the wires is easy to interfere with the effective movement of the tabouret.
To this end, another assembly embodiment solves the above-described problems and replaces the costly color scale sensor with a low cost device. The sensed element 8 is a soft magnetic strip, and the sensing element 9 is a non-contact sensor, such as a hall sensor. As the tabouret 3 moves, the crosspiece 4 moves with it. When the crosspiece 4 moves to the position near the critical position, the non-contact sensor on the bedplate senses a magnetic field signal below the crosspiece 4, so that the magnetic field signal is fed back to the driving motor, and the forward movement is stopped. The length of the soft magnetic strip is at least the stroke of the embroidery frame in the X direction, so that the induction element can be ensured to be induced to the induced element at any position, and the interference between the crosspiece and the machine needle is avoided.
The patent CN03853041B 'self-adaptive tabouret identification system' discloses that at least one magnet block is fixedly arranged on a tabouret mounting plate, different identification areas are arranged on the tabouret mounting plate, the identification areas are counter bores formed in the tabouret mounting plate, the magnet block is correspondingly arranged with the counter bores, and a Hall sensor is fixedly arranged on a tabouret supporting arm. The number of the Hall sensors is equal to the number of the identification areas on the tabouret mounting plate. When the N-th Hall sensor detects that the corresponding N-th counter bore is provided with a magnet block, a low-level signal is sent, otherwise, a high-level signal is sent. The processor generates a specification mark of the tabouret by using the high-low level signals, and obtains the tabouret specification corresponding to the specification mark according to a preset tabouret mapping table. Although the Hall sensor is adopted to detect the signals of the magnet blocks, the technical problem solved by the invention is how to identify the marks on the embroidery frame, further automatically confirm the actual specification corresponding to the marks, and further call the embroidery limit information which accords with the actual specification. The assembly application of the hall sensor and the magnet block is used on the embroidery frame and is used for generating specification marks. The patent of the invention is completely different from the scheme, and even if the magnet block is used as the scheme-induced element, the Hall sensor is used as the scheme-induced element, so that the implementation problem exists. Because the length of the sensed element needs to be at least the stroke of the tabouret in the X direction, a longer magnet block is needed. However, the magnet pieces are brittle and typically no longer than 200mm in length, otherwise they are prone to breakage. The inductive element at least needs 1 meter, if the magnet blocks are divided into a plurality of sections to be arranged in a row, the magnet blocks are not easy to fix due to the repulsion of the like poles; the magnetic field intensity on the end face is different, and the induction signals of the induction elements are different. For this purpose, the invention uses a soft magnetic strip as the element to be sensed. The soft magnetic strip has certain softness, is easy to transport and assemble, can be randomly obtained according to the needs, has certain magnetic field intensity, is uniform in magnetic field intensity distribution, and can effectively induce magnetic field signals.
For easy installation and space saving, the bottom of the crosspiece 4 is provided with a receiving groove (not shown in the figure) for receiving the sensed element. Under an assembly implementation mode, the sensed element can be protruded out of the accommodating groove, so that the sensing element can sense conveniently, the sensitivity requirement on the sensing element is reduced, and the sensing element with low sensitivity and low cost can be selected. In addition, when the tabouret reciprocates, attention needs to be paid to the fact that the sensed element protruding out of the accommodating groove possibly rubs with the bedplate, and the protruding part of the sensed element needs to be away from the bedplate as far as possible. For this purpose, the sensed element may be disposed flush with the notch of the receiving groove, or the sensed element may be disposed to be retracted within the receiving groove. In the condition of limited assembly space, the sensed element is preferably retracted in the accommodating groove. If the sensed element is a soft magnetic strip, the sensed element is adhered to the inside of the accommodating groove.
The crosspiece limiting assemblies are at most two. When there are two, two are located the crosspiece bottom both sides respectively by the inductive element, and two inductive element locate respectively under the platen of embroidery machine head end aircraft nose outside. When the adjacent heads have smaller spacing and cannot be assembled with the sensing element, two crosspiece spacing assemblies are often used and arranged as described above. When the distance between adjacent machine heads is larger, and the assembly is suitable for assembling the induction element, a crosspiece limiting assembly is adopted. The inductive element is arranged at one side of the bottom of the crosspiece, which is close to the needle-down area of the embroidery machine head, and the inductive element is arranged at the left side of the first driving mechanism under the bedplate. The first driving mechanism, the second driving mechanism and other driving mechanisms are used for driving the tabouret to move, and the first driving mechanism Q 1, the second driving mechanisms Q 2, …, the N-1 driving mechanism Q N-1 and the N driving mechanism Q N are arranged one by one from right to left as shown in fig. 1.
The embroidery machine tabouret structure also comprises a tabouret limiting component. The tabouret limiting component can adopt the existing mechanical limiting structure and is used for limiting the movement range of the tabouret. As shown in fig. 4, the tabouret limiting assembly comprises a first limit switch 31, a second limit switch 32 and a safety stop 33. The safety stop block 33 is arranged on the driving trolley, and when the safety stop block 33 moves to the position of the first limit switch 31/the second limit switch 32, the first limit switch 31/the second limit switch 32 is triggered to send a signal to the driving motor, and the driving trolley 35 stops moving. The first limit switch 31 and the second limit switch 32 are respectively arranged at the front end and the rear end of the frame where the tabouret moves back and forth. The tabouret limiting component is arranged on the driving mechanism, such as the first driving mechanism, the second driving mechanism, … and the Nth driving mechanism. The frame limiting component can also adopt a frame driving device for a computerized embroidery machine disclosed in the prior patent CN201400782Y of the applicant.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.
Claims (6)
1. The tabouret structure with the automatic limit comprises a bedplate arranged on a frame of an embroidery machine, a tabouret arranged above the bedplate, a crosspiece arranged on the tabouret, and a driving mechanism arranged on the frame of the embroidery machine and used for driving the tabouret to move; the device is characterized by further comprising a crosspiece limiting assembly, wherein the crosspiece limiting assembly comprises a sensed element arranged at the bottom of a crosspiece and a sensing element arranged below a bedplate; the sensing element is arranged at a critical position close to a needle-down area of the embroidery machine head, and the critical position is used for limiting the movement range of the crosspiece so as to avoid interference with the embroidery machine needle; the sensing element is used for sensing a sensed element on the crosspiece moving along with the tabouret and sending a sensing signal to the driving mechanism so that the driving mechanism stops moving or moves reversely; the crosspiece limiting assembly further comprises a mounting bracket assembly; the mounting bracket assembly comprises a connecting plate bracket and a crosspiece limiting bracket; the connecting plate bracket is arranged on the embroidery machine frame, one end of the crosspiece limit bracket is connected with the connecting plate bracket, and the other end of the crosspiece limit bracket is used for bearing the sensing element; the sensing element is vertically arranged on the crosspiece limiting support; the bedplate is provided with a slotted hole for accommodating the induction element; the induction element and the induced element adopt a non-contact induction mode; the sensed element and the sensing element are arranged in the vertical direction of the embroidery machine frame, and a certain distance is reserved between the sensed element and the sensing element; the sensing end of the sensing element is at most flush with the end face of the slot hole; the bottom of the crosspiece is provided with a containing groove for containing the induced element.
2. The tabouret structure with automatic limiting according to claim 1, wherein the sensed element is a reflective strip; the sensing element is a photoelectric detection sensor.
3. The tabouret structure with automatic spacing according to claim 2, further comprising an illumination source disposed at the bottom of the crosspiece for enhancing the brightness of the light source surrounding the sensed element.
4. The tabouret structure with automatic limiting according to claim 1, wherein the sensed element is a soft magnetic strip; the sensing element is a non-contact sensor.
5. The frame structure with auto-limiting according to claim 4, wherein the length of the soft magnetic strip is at least the stroke of the frame in the X-direction.
6. The frame structure with automatic spacing of claim 1, further comprising a frame spacing assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910180261.9A CN109706656B (en) | 2019-03-11 | 2019-03-11 | Tabouret structure with automatic limiting function |
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| CN201910180261.9A CN109706656B (en) | 2019-03-11 | 2019-03-11 | Tabouret structure with automatic limiting function |
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| CN109706656B true CN109706656B (en) | 2024-04-30 |
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| CN111235780A (en) * | 2020-01-08 | 2020-06-05 | 周婵媛 | Computer embroidery machine frame robot of removing stage makeup and costume |
| CN113124803B (en) * | 2021-04-14 | 2023-04-14 | 上海施赛自动化科技有限公司 | Screw press-fitting displacement monitoring system |
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| JPH024400A (en) * | 1988-06-24 | 1990-01-09 | Janome Sewing Mach Co Ltd | Automatic embroidery sewing machine |
| JPH078650A (en) * | 1993-06-25 | 1995-01-13 | Juki Corp | Embroidery sewing machine |
| CN101012612A (en) * | 2007-01-26 | 2007-08-08 | 杭州华祥电子科技有限公司 | Closed-loop control device for embroidery machine tabouret position |
| CN201400782Y (en) * | 2009-04-20 | 2010-02-10 | 浙江越隆缝制设备有限公司 | Frame drive device for computer embroidery machine |
| CN203054471U (en) * | 2012-11-29 | 2013-07-10 | 北京大豪科技股份有限公司 | Adaptive tabouret identification system |
| CN106555284A (en) * | 2015-09-30 | 2017-04-05 | 天津宝盈电脑机械有限公司 | The template of template sewing machine is to position detecting system |
| CN206486682U (en) * | 2017-02-06 | 2017-09-12 | 浙江越隆缝制设备有限公司 | Open driving device for embroidery machine frame |
| CN208121357U (en) * | 2018-02-11 | 2018-11-20 | 浙江信胜缝制设备有限公司 | A kind of socks embroidery Tabouret actuating |
| CN209779197U (en) * | 2019-03-11 | 2019-12-13 | 浙江越隆缝制设备有限公司 | Tabouret structure with automatic limiting function |
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| CN109706656A (en) | 2019-05-03 |
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