A high frequency welding device for fixing curtain side bones

Abstract

The utility model discloses a kind of high-frequency welding devices for curtain side edge bone strip fixed, including rack, welding mechanism, fixed jig and positioning mechanism, welding mechanism includes welding head, and welding head is long strip shape extending left and right;Fixed jig is slidably arranged on rack, below welding head, for the curtain side edge and bone strip positioning and fixing;Positioning mechanism includes first positioning assembly and second positioning assembly, first positioning assembly is arranged on fixed jig, and first positioning assembly includes multiple first positioning parts left and right equidistant arrangement, the interval of adjacent two first positioning parts is equal to the length of welding head, second positioning assembly is arranged on rack, and second positioning assembly is respectively matched with multiple first positioning parts Positioning.The utility model of a kind of high-frequency welding devices for curtain side edge bone strip fixed, can be positioned automatically to each melt segment of curtain and bone strip, so that the melt segment of adjacent two segments is automatically aligned, easy to operate, improve efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of welding equipment, and in particular to a high-frequency welding device for fixing the side ribs of a curtain. Background Technology

[0002] High-frequency welding equipment is an industrial device that uses a high-frequency electromagnetic field to cause frictional heat generation in materials such as PVC and TPU to achieve welding and sealing.

[0003] During the production process of the screen, it is necessary to fix the ribs on the side of the screen. Usually, a high-frequency welding device is used to weld and fix the screen and the ribs.

[0004] In related technologies, the ribs are long strips. Due to the size limitations of the welding joint of the high-frequency welding device, it is difficult for the welding joint to weld the entire rib to the side of the screen in one go. Therefore, the side of the screen and the rib are usually welded in multiple segments.

[0005] However, when current high-frequency welding devices weld the curtain side and the frame strip in multiple segments, the splicing points of adjacent welding segments need to be visually aligned, which is cumbersome and affects efficiency. Utility Model Content

[0006] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a high-frequency welding device for fixing the side ribs of a screen, which can automatically position each welding segment of the screen and the ribs, so that the welding segments of adjacent segments are automatically aligned, which is simple to operate and improves efficiency.

[0007] A high-frequency welding device for fixing the side ribs of a curtain according to an embodiment of the present invention includes:

[0008] frame;

[0009] A welding mechanism, mounted on the frame, includes a lifting assembly and a welding head. The lifting assembly is used to drive the welding head to move up and down. The welding head is a long strip extending to the left and right. The welding head is used to weld the curtain to the frame strip.

[0010] A fixing fixture is slidably mounted on the frame, located below the weld joint, and is used to position and fix the side of the curtain to the frame strip.

[0011] The positioning mechanism includes a first positioning component and a second positioning component. The first positioning component is disposed on the fixed fixture and includes a plurality of first positioning parts arranged equidistantly from left to right. The distance between two adjacent first positioning parts is equal to the length of the weld joint. The second positioning component is disposed on the frame and cooperates with the plurality of first positioning parts for positioning.

[0012] A high-frequency welding device for fixing the side ribs of a curtain according to an embodiment of the present invention has at least the following beneficial effects:

[0013] 1. This utility model features a fixed fixture that slides left and right on a frame. A first positioning component is mounted on the fixed fixture, and a second positioning component is mounted on the frame. The first positioning component includes multiple first positioning parts arranged equidistantly from left to right. The distance between two adjacent first positioning parts is equal to the length of the weld joint. It is understood that the second positioning component, in conjunction with each first positioning part, positions the fixed fixture at the corresponding weld joint of the curtain and the frame. The operator only needs to push the fixed fixture to move, allowing the second positioning component to engage with the first positioning parts, thus automatically positioning the fixed fixture at the weld joint of the curtain and the frame. This automatically aligns the joints of adjacent weld joints, eliminating the need for manual visual positioning of the fixed fixture. Consequently, this significantly reduces operation time and human error, and substantially improves production efficiency.

[0014] 2. This utility model ensures seamless splicing of two adjacent welded sections of the curtain and the frame by arranging multiple first positioning parts at equal intervals, avoiding gaps or overlaps at the welded sections of the frame and the curtain, thereby improving the welding quality and product yield.

[0015] According to some embodiments of the present invention, the first positioning part is configured as a protrusion, and the second positioning component is engaged with the first positioning part for positioning.

[0016] The advantages are: by setting the first positioning part as a protrusion and the second positioning component engaging with the first positioning part for positioning, it can be understood that, on the one hand, the engaging structure of the protrusion and the second positioning component provides mechanical interlocking, ensuring that the second positioning component is not easily misaligned when engaging with the first positioning part, thus enhancing positioning stability; on the other hand, the engaging method is intuitive and easy to use, and the operator can confirm the positioning is complete through tactile or auditory feedback, reducing debugging steps and further shortening the welding cycle.

[0017] According to some embodiments of the present invention, the second positioning component can move closer to and further away from the first positioning component, so that the second positioning component can engage or disengage from the first positioning part.

[0018] The advantages of this invention are: by enabling the second positioning component to approach and move away from the first positioning component, so that the second positioning component can engage or disengage from the first positioning component, it can be understood that the second positioning component can actively disengage from the first positioning component, which facilitates quick adjustment of the position of the fixing fixture. In addition, during the non-welding stage, the disengagement of the second positioning component from the first positioning component can prevent the second positioning component from obstructing the sliding of the fixing fixture, thereby improving the safety of the equipment.

[0019] According to some embodiments of the present invention, the second positioning component includes a swing arm, an abutment, and an elastic member. The swing arm is hinged to the frame, the abutment is disposed at one end of the swing arm, and the abutment is used to abut against the first positioning part. The swing arm swings to drive the abutment to move closer to and away from the first positioning component, and the elastic member is used to drive the swing arm to drive the abutment to move closer to the first positioning component.

[0020] The advantages of this invention are: by including a swing arm, a stop member, and an elastic member in the second positioning component, the swing arm is hinged to the frame, the stop member is disposed at one end of the swing arm and is used to abut against the first positioning part, the swing arm swings to drive the stop member to move closer to and away from the first positioning component, and the elastic member is used to drive the swing arm to drive the stop member to move closer to the first positioning component. It can be understood that the swing arm swinging to drive the stop member to move closer to and away from the first positioning component can realize the engagement and disengagement of the stop member with the first positioning part. In addition, the elastic member provides a constant driving force so that the stop member automatically moves closer to the first positioning component, thereby avoiding the swing arm swinging on its own when the stop member is engaged with the first positioning part, which would cause the stop member to disengage from the first positioning part and become unengaged. Thus, manual intervention is reduced and consistent and reliable positioning is ensured each time.

[0021] According to some embodiments of the present invention, the middle part of the swing arm is hinged to the frame, the abutment is provided at one end of the swing arm, and the other end of the swing arm is provided with a pressing part.

[0022] The advantage of this invention is that by hinged the middle of the swing arm to the frame, with the abutment part set at one end of the swing arm and the pressing part set at the other end of the swing arm, the operator can control the abutment part to disengage by pressing the pressing part using the lever principle, thereby reducing labor intensity.

[0023] According to some embodiments of this utility model, the abutting member is configured as a roller.

[0024] The advantage of this invention is that by setting the abutment member as a roller, the roller structure allows the second positioning component to roll and contact the first positioning component during the sliding of the fixing fixture, thereby reducing wear and extending the life of the positioning mechanism.

[0025] According to some embodiments of the present invention, the first positioning part is configured as a magnetic component, and the first positioning part is magnetically fixed to the abutting component.

[0026] The advantage of this invention is that by setting the first positioning part as a magnetic component, the first positioning part and the abutment are magnetically fixed together. It can be understood that the first positioning part provides an additional fixing force for the magnetic attraction of the abutment, ensuring that the abutment and the first positioning part are more firmly engaged and preventing the abutment from accidentally detaching from the first positioning part.

[0027] According to some embodiments of the present invention, the first positioning component further includes a mounting rod, which is fixed on the fixing fixture. The mounting rod extends to the left and right, and the first positioning part is slidably disposed on the mounting rod. The first positioning part is provided with a mounting bolt, which abuts against the mounting rod to fix the first positioning part on the mounting rod.

[0028] The advantages of this invention are: by including a mounting rod in the first positioning component, the mounting rod is fixed to the fixing fixture and extends to the left and right. The first positioning part is slidably mounted on the mounting rod, and a mounting bolt is provided on the first positioning part. The mounting bolt abuts against the mounting rod to fix the first positioning part on the mounting rod. It can be understood that the first positioning part can slide and lock along the mounting rod, and the spacing of each first positioning part can be adjusted to adapt to different weld joint lengths or curtain specifications, reducing changeover time. In addition, the bolt fixing method allows the first positioning part to adjust its position, ensuring that the spacing of the first positioning parts accurately matches the weld joint, thus improving the welding quality.

[0029] According to some embodiments of the present invention, the mounting rod is provided with a sliding groove extending left and right, the sliding groove accommodates the first positioning part to slide left and right, the inner sidewall of the groove opening is provided with an inner protrusion, the sidewall of the first positioning part is provided with a limiting groove, the inner protrusion cooperates with the limiting groove to limit the first positioning part to prevent it from disengaging from the sliding groove.

[0030] The advantages of this invention are: The mounting rod is provided with a left-right extending groove, which accommodates the first positioning part to slide left and right. An inner protruding edge is provided on the inner sidewall of the groove opening, and a limiting groove is provided on the sidewall of the first positioning part. The inner protruding edge cooperates with the limiting groove to limit the first positioning part, preventing it from detaching from the groove. It can be understood that, on the one hand, the cooperation between the limiting groove and the inner protruding edge forms a mechanical constraint, ensuring that the first positioning part does not detach during sliding or vibration, thus improving equipment safety. On the other hand, when the mounting bolt on the first positioning part abuts against the mounting rod, the inner protruding edge and the limiting groove cooperate to support and limit the first positioning part, preventing the mounting bolt from pushing the first positioning part away from the mounting rod.

[0031] According to some embodiments of this utility model, the mounting rod is provided with a measuring scale extending to the left and right.

[0032] The advantage of this invention is that by setting a measuring scale extending to the left and right on the mounting rod, it can be understood that the measuring scale provides a visual scale reference, allowing the operator to quickly measure and set the distance between the first positioning parts, thus reducing the time required to adjust the position of the first positioning parts.

[0033] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0034] To more clearly illustrate the technical solutions of the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of a high-frequency welding device for fixing the side ribs of a curtain, according to an embodiment of the present invention.

[0036] Figure 2 for Figure 1 The enlarged view at point A is shown;

[0037] Figure 3 for Figure 1 The front view shown;

[0038] Figure 4 for Figure 3 The BB cross-sectional view is shown.

[0039] Reference numerals: 100-frame, 110-welding mechanism, 120-lifting assembly, 130-welding joint, 140-fixing fixture, 150-positioning mechanism, 160-first positioning assembly, 170-second positioning assembly, 180-first positioning part, 190-swing arm, 200-abutment part, 210-elastic part, 220-pressing part, 230-mounting rod, 240-mounting bolt, 250-slide groove, 260-inner protruding edge, 270-limiting groove, 280-measuring ruler. Detailed Implementation

[0040] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0041] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" and "second" are mentioned, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.

[0043] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation, connection, and linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] The following describes, with reference to the accompanying drawings, a high-frequency welding device for fixing the side ribs of a curtain according to an embodiment of the present invention.

[0045] This invention aims to provide an embodiment of a high-frequency welding device for fixing the side ribs of a curtain.

[0046] Reference Figure 1 , Figure 3 and Figure 4 In this embodiment, a high-frequency welding device for fixing the side ribs of a curtain mainly includes a frame 100, a welding mechanism 110, a fixing fixture 140, and a positioning mechanism 150.

[0047] The welding mechanism 110 is mounted on the frame 100. The welding mechanism 110 includes a lifting assembly 120 and a welding joint 130. The lifting assembly 120 is used to drive the welding joint 130 to rise and fall. The welding joint 130 is a long strip extending from left to right. The welding joint 130 is used to weld the curtain to the frame strip.

[0048] The fixing fixture 140 is slidably mounted on the frame 100. The fixing fixture 140 is located below the fusion joint 130 and is used to position and fix the side of the curtain to the frame strip.

[0049] Specifically, the side of the screen is positioned on the fixing fixture 140, and at the same time, the ribs are attached to the side of the screen. The positioning fixture fixes the positioned side of the screen and the ribs in place. Then, the lifting assembly 120 drives the welding joint 130 to descend, so that the welding joint 130 presses on the side of the screen and the ribs, completing the welding of the side of the screen and the ribs.

[0050] Reference Figure 2 For the positioning mechanism 150, the positioning mechanism 150 includes a first positioning component 160 and a second positioning component 170. The first positioning component 160 is disposed on the fixed fixture 140 and includes a plurality of first positioning parts 180 arranged equidistantly from left to right. The distance between two adjacent first positioning parts 180 is equal to the length of the weld joint 130. The second positioning component 170 is disposed on the frame 100 and cooperates with the plurality of first positioning parts 180 for positioning.

[0051] In this embodiment, a fixing fixture 140 is slidably mounted on a frame 100. A first positioning component 160 is mounted on the fixing fixture 140, and a second positioning component 170 is mounted on the frame 100. The first positioning component 160 includes multiple first positioning parts 180 arranged equidistantly from left to right. The distance between two adjacent first positioning parts 180 is equal to the length of the weld joint 130. It can be understood that the second positioning component 170 cooperates with each first positioning part 180 to position the fixing fixture 140 at the corresponding weld joint of the curtain and the frame. The operator only needs to push the fixing fixture 140 to move, so that the second positioning component 170 cooperates with the first positioning parts 180, and the fixing fixture 140 can automatically position the weld joint of the curtain and the frame. This allows the joint of two adjacent weld joints to be automatically aligned, eliminating the need for manual visual positioning of the fixing fixture 140. As a result, the operation time and human error are greatly reduced, and the production efficiency is significantly improved.

[0052] This embodiment ensures seamless splicing of two adjacent welded sections of the curtain and the frame by arranging multiple first positioning parts 180° at equal intervals, avoiding gaps or overlaps at the welded section joint of the frame and the curtain, thereby improving the welding quality and product yield.

[0053] In some specific embodiments, the first positioning part 180 is configured as a protrusion, and the second positioning component 170 is engaged with the first positioning part 180 for positioning.

[0054] Understandably, on the one hand, the snap-fit ​​structure that engages with the second positioning component 170 provides a mechanical interlock, ensuring that the second positioning component 170 is not easily misaligned when it engages with the first positioning part 180, thus enhancing positioning stability. On the other hand, the snap-fit ​​method is intuitive and easy to use, allowing the operator to confirm the positioning is complete through tactile or auditory feedback, reducing debugging steps and further shortening the welding cycle.

[0055] Furthermore, the second positioning component 170 can move closer to and further away from the first positioning component 160 so that the second positioning component 170 can engage or disengage from the first positioning part 180.

[0056] Understandably, the second positioning component 170 can actively disengage from the first positioning component 160, facilitating quick adjustment of the position of the fixing fixture 140. In addition, during the non-welding stage, the disengagement of the second positioning component 170 and the first positioning component 160 can prevent the second positioning component 170 from obstructing the sliding of the fixing fixture 140, thereby improving equipment safety.

[0057] Specifically, the second positioning component 170 includes a swing arm 190, an abutment 200, and an elastic member 210. The swing arm 190 is hinged to the frame 100. The abutment 200 is disposed at one end of the swing arm 190 and is used to abut against the first positioning part 180. The swing arm 190 swings to drive the abutment 200 to move closer to and away from the first positioning component 160. The elastic member 210 is used to drive the swing arm 190 to drive the abutment 200 to move closer to the first positioning component 160.

[0058] Understandably, the swing arm 190 swings to move the abutment 200 closer to and further away from the first positioning component 160, enabling the abutment 200 to engage and disengage from the first positioning part 180. In addition, the elastic member 210 provides a constant driving force, causing the abutment 200 to automatically move closer to the first positioning component 160. This prevents the swing arm 190 from swinging on its own when the abutment 200 is engaged with the first positioning part 180, thus avoiding the abutment 200 from disengaging from the first positioning part 180. Consequently, manual intervention is reduced, ensuring consistent and reliable positioning each time.

[0059] Furthermore, the middle part of the swing arm 190 is hinged to the frame 100, the abutment 200 is provided at one end of the swing arm 190, and the other end of the swing arm 190 is provided with a pressing part 220. Thus, by using the lever principle, the operator can press the pressing part 220 to control the abutment 200 to disengage, thereby reducing labor intensity.

[0060] In some specific embodiments, the elastic element 210 can be set as a spring, one end of which is connected to the frame 100 and the other end of which is connected to the swing arm 190. The spring drives the swing arm 190 to swing so that the swing arm 190 moves the abutment 200 closer to the first positioning component 160.

[0061] In other embodiments, the elastic element 210 may be configured as a torsion spring, the swing arm 190 is hinged to the frame 100 via a pivot, the torsion spring is mounted on the pivot, one end of the torsion spring abuts against the swing arm 190, and the other end of the torsion spring abuts against the frame 100, and the torsion spring drives the swing arm 190 to swing so that the swing arm 190 moves the abutment 200 closer to the first positioning component 160.

[0062] In some specific embodiments, the abutment 200 is configured as a roller, thereby the roller structure causes the second positioning component 170 to roll into contact with the first positioning component 160 during the sliding of the fixing fixture 140, reducing wear and extending the life of the positioning mechanism 150.

[0063] In some specific embodiments, the first positioning part 180 is configured as a magnetic element, and the first positioning part 180 is magnetically fixed to the abutment member 200.

[0064] Understandably, the first positioning part 180 provides additional fixing force to the magnetic attraction of the abutment 200, ensuring that the abutment 200 and the first positioning part 180 are more firmly engaged, and preventing the abutment 200 from accidentally detaching from the first positioning part 180.

[0065] In some specific embodiments, the first positioning component 160 further includes a mounting rod 230, which is fixed on the fixing fixture 140. The mounting rod 230 extends to the left and right, and the first positioning part 180 is slidably disposed on the mounting rod 230. The first positioning part 180 is provided with a mounting bolt 240, which abuts against the mounting rod 230 to fix the first positioning part 180 on the mounting rod 230.

[0066] Understandably, the first positioning part 180 can slide and lock along the mounting rod 230, and the spacing of each first positioning part 180 can be adjusted to adapt to different weld joint 130 lengths or curtain specifications, reducing changeover time. In addition, the bolt fixing method allows the first positioning part 180 to adjust its position, ensuring that the spacing of the first positioning part 180 accurately matches the weld joint 130, thus improving the welding quality.

[0067] Furthermore, the mounting rod 230 is provided with a sliding groove 250 extending to the left and right. The sliding groove 250 accommodates the first positioning part 180 to slide left and right. The inner sidewall of the groove 250 is provided with an inner protrusion 260, and the sidewall of the first positioning part 180 is provided with a limiting groove 270. The inner protrusion 260 and the limiting groove 270 cooperate to limit the first positioning part 180 to prevent it from disengaging from the sliding groove 250.

[0068] Understandably, on the one hand, the cooperation between the limiting groove 270 and the inner protrusion 260 forms a mechanical constraint to ensure that the first positioning part 180 does not come out during sliding or vibration, thereby improving equipment safety. On the other hand, when the mounting bolt 240 on the first positioning part 180 abuts against the mounting rod 230, the inner protrusion 260 and the limiting groove 270 cooperate to support and limit the first positioning part 180, preventing the mounting bolt 240 from pushing the first positioning part 180 away from the mounting rod 230.

[0069] Specifically, the first positioning part 180 is provided with a threaded hole that penetrates the first positioning part 180 along the depth direction of the slide groove 250. The mounting bolt 240 is threadedly connected to the threaded hole. Through the threaded engagement between the mounting bolt 240 and the threaded hole, the mounting bolt 240 can abut against the bottom of the slide groove 250, so that the inner protrusion 260 and the limiting groove 270 are pressed and fixed, thereby fixing the first positioning part 180 in the slide groove 250. The mounting bolt 240 can also be disengaged from the bottom of the slide groove 250, so that the first positioning part 180 can slide in the slide groove 250.

[0070] In some specific embodiments, the mounting rod 230 is provided with a measuring scale 280 that extends to the left and right.

[0071] The advantage of this invention is that by providing a measuring scale 280 extending to the left and right on the mounting rod 230, it can be understood that the measuring scale 280 provides a visual scale reference, allowing the operator to quickly measure and set the spacing of the first positioning part 180, thereby reducing the adjustment time of the position of the first positioning part 180.

[0072] In the description of this specification, references to terms such as "an embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0073] The terms "first," "second," "third," "fourth," etc. (if applicable) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments described herein can be implemented in a sequence other than that illustrated or described herein.

[0074] It should also be noted that, in the description of this specification, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0075] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may also include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products, or apparatus.

[0076] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0077] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high-frequency welding device for fixing the side ribs of a curtain, characterized in that, include: Rack (100); A welding mechanism (110) is provided on the frame (100) and includes a lifting assembly (120) and a welding joint (130). The lifting assembly (120) is used to drive the welding joint (130) to rise and fall. The welding joint (130) is a long strip extending from left to right. The welding joint (130) is used to weld the curtain to the frame strip. A fixing fixture (140) is slidably mounted on the frame (100) and located below the weld joint (130) to position and fix the side of the curtain to the frame strip. The positioning mechanism (150) includes a first positioning component (160) and a second positioning component (170). The first positioning component (160) is disposed on the fixed fixture (140). The first positioning component (160) includes a plurality of first positioning parts (180) arranged equidistantly on the left and right sides. The distance between two adjacent first positioning parts (180) is equal to the length of the weld joint (130). The second positioning component (170) is disposed on the frame (100). The second positioning component (170) cooperates with the plurality of first positioning parts (180) for positioning.

2. The high-frequency welding device for fixing the side ribs of a curtain according to claim 1, characterized in that, The first positioning part (180) is configured as a protrusion, and the second positioning component (170) is engaged with the first positioning part (180) for positioning.

3. A high-frequency welding device for fixing the side ribs of a curtain according to claim 2, characterized in that, The second positioning component (170) can move closer to and further away from the first positioning component (160) so that the second positioning component (170) can engage or disengage from the first positioning part (180).

4. A high-frequency welding device for fixing the side ribs of a curtain according to claim 3, characterized in that, The second positioning component (170) includes a swing arm (190), an abutment (200), and an elastic element (210). The swing arm (190) is hinged to the frame (100). The abutment (200) is disposed at one end of the swing arm (190). The abutment (200) is used to abut against the first positioning part (180). The swing arm (190) swings to drive the abutment (200) to move closer to and away from the first positioning component (160). The elastic element (210) is used to drive the swing arm (190) to drive the abutment (200) to move closer to the first positioning component (160).

5. A high-frequency welding device for fixing the side ribs of a curtain according to claim 4, characterized in that, The middle part of the swing arm (190) is hinged to the frame (100), the abutment (200) is provided at one end of the swing arm (190), and the other end of the swing arm (190) is provided with a pressing part (220).

6. A high-frequency welding device for fixing the side ribs of a curtain according to claim 4, characterized in that, The abutment (200) is configured as a roller.

7. A high-frequency welding device for fixing the side ribs of a curtain according to claim 4, characterized in that, The first positioning part (180) is configured as a magnetic element, and the first positioning part (180) is magnetically fixed to the abutment part (200).

8. A high-frequency welding device for fixing the side ribs of a curtain according to claim 1, characterized in that, The first positioning component (160) further includes a mounting rod (230), which is fixed on the fixing fixture (140). The mounting rod (230) extends to the left and right. The first positioning part (180) is slidably disposed on the mounting rod (230). The first positioning part (180) is provided with a mounting bolt (240), which abuts against the mounting rod (230) to fix the first positioning part (180) on the mounting rod (230).

9. A high-frequency welding device for fixing the side ribs of a curtain according to claim 8, characterized in that, The mounting rod (230) is provided with a sliding groove (250) extending to the left and right. The sliding groove (250) accommodates the first positioning part (180) to slide left and right. The inner sidewall of the groove (250) is provided with an inner protrusion (260). The sidewall of the first positioning part (180) is provided with a limiting groove (270). The inner protrusion (260) cooperates with the limiting groove (270) to limit the first positioning part (180) from disengaging from the sliding groove (250).

10. A high-frequency welding device for fixing the side ribs of a curtain according to claim 8, characterized in that, The mounting rod (230) is provided with a measuring scale (280) that extends to the left and right.

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