A guide plate positioning device

Abstract

This application discloses a guide plate positioning device, which includes a working plane and a first pressing mechanism. The working plane is used to place a carrier with a guide plate. The first pressing mechanism includes a first pressing block and a first driving structure. The first pressing block is movable relative to the working plane and its direction of movement is inclined relative to the working plane. The first driving structure drives the first pressing block to move toward the working plane to press the guide plate in the carrier. The first pressing block presses against at least two surfaces of the guide plate in different directions to generate a pressing force perpendicular to the working plane and a pressing force parallel to the working plane. This application has the feature of better pressing effect.

Description

Technical Field

[0001] This application relates to the field of mechanical automation, and specifically to a guide plate positioning device in the production process of miniature circuit breakers. Background Technology

[0002] Positioning devices are common in the field of automation. They are often used to limit or clamp the products or carriers to be processed at the current workstation to ensure the smooth progress of the current process.

[0003] Common positioning devices clamp the product being processed at the current workstation by pressing it down in the height direction. In other words, if the product is placed in the carrier, the clamping force is perpendicular to the working plane (i.e., the height direction). While this structure provides a strong clamping force in the height direction, it may not provide any clamping force in other directions. This can lead to the product still shifting in other directions, which is detrimental to the processing of the product.

[0004] Taking the bimetallic component of a circuit breaker as an example, placed in a carrier, it includes an arc guide plate, a bimetallic strip, a conductive strip, a terminal plate, and a screw frame. The common clamping method is to use the clamping component to act vertically on the arc guide plate. At this time, the direction of the clamping force is perpendicular to the direction of the carrier base plate (that is, the direction of the working plane). With such clamping in a single direction, the bimetallic component may still be displaced in other directions.

[0005] Therefore, how to improve this situation is a direction worth exploring. Summary of the Invention

[0006] In view of this, the purpose of this application is to overcome the shortcomings of the prior art and to provide a guide plate positioning device.

[0007] This application provides: a guide plate positioning device, comprising a working plane and a first pressing mechanism; the working plane is used to place a carrier with a guide plate; the first pressing mechanism includes a first pressing block and a first driving structure, the first pressing block is movable relative to the working plane and the direction of movement is inclined relative to the working plane, the first driving structure drives the first pressing block to move toward the working plane to press the guide plate in the carrier; the first pressing block presses against the surface of the guide plate in at least two different directions to generate a pressing force perpendicular to the working plane and a pressing force parallel to the working plane.

[0008] In some embodiments of this application, the guide plate includes a bent portion; the first pressing block includes a first pressing surface and a second pressing surface, the first pressing surface and the second pressing surface are perpendicular to each other and act on different surfaces of the bent portion respectively; the first pressing surface generates a pressing force on the bent portion perpendicular to the working plane, and the second pressing surface generates a pressing force on the bent portion parallel to the working plane.

[0009] In some embodiments of this application, the bending portion includes a first plate portion and a second plate portion, the first plate portion and the second plate portion being arranged at an angle; a first pressing surface presses against a first surface of the first plate portion in a first direction to generate a clamping force perpendicular to the working plane; a snap-fit ​​portion extends from one side of the second plate portion in the first direction, and a second pressing surface presses against the side surface of the snap-fit ​​portion to generate a clamping force parallel to the working plane.

[0010] In some embodiments of this application, the three imaginary dimensions of the three-dimensional space are the first dimension, the second dimension, and the third dimension, and the three dimensions are perpendicular to each other; the first dimension is perpendicular to the working plane, and the second and third dimensions are parallel to the working plane; the clamping force generated by the first pressing surface pressing against the first plate is in the direction of the first dimension; the clamping force generated by the second pressing surface pressing against the side surface of the snap-fit ​​part is in the combined direction of the second and third dimensions.

[0011] In some embodiments of this application, the first pressing block includes a first pressing foot and a second pressing foot, with a first clearance groove formed between the first pressing foot and the second pressing foot; the second pressing surface is a surface of the second pressing foot located in the first clearance groove, and the locking part is located in the first clearance groove when pressing; the first pressing surface is a surface of the first pressing foot parallel to the working plane.

[0012] In some embodiments of this application, a second clearance groove is provided on the first pressure block, and the first clearance groove and the second clearance groove are respectively located on both sides of the second pressure foot.

[0013] In some embodiments of this application, the first pressing block moves in the same direction as the first driving structure, the first pressing block is the output part of the first driving structure, and the first driving structure is a combination of a hydraulic cylinder assembly, a pneumatic cylinder assembly, or a motor and a lead screw and slider mechanism.

[0014] In some embodiments of this application, the first pressing block and the first driving structure move in different directions. An intermediate conversion mechanism is also provided between the first pressing block and the first driving structure. The output of the first driving structure is converted by the intermediate conversion mechanism and then acts on the first pressing block. The first driving structure is a combination of a hydraulic cylinder assembly, a pneumatic cylinder assembly, or a motor and a lead screw and slider mechanism.

[0015] In some embodiments of this application, the three imaginary dimensions of the three-dimensional space are the first dimension, the second dimension, and the third dimension, and the three dimensions are perpendicular to each other. The second dimension and the third dimension are both parallel to the working plane. It also includes a second pressing mechanism, which presses against both sides of the carrier and generates a carrier clamping force parallel to the working plane in the second dimension.

[0016] In some embodiments of this application, the second pressing mechanism includes a second driving structure, a second pressing block, and a first limiting bracket. The first limiting bracket and the second pressing block are spaced apart in a second dimension. The second driving structure drives the second pressing block to move toward or away from the direction where the first limiting bracket is located, so as to achieve clamping or releasing of the carrier between the second pressing block and the first limiting bracket.

[0017] In some embodiments of this application, at least one side wall of the carrier that is pressed by the second pressing mechanism has a positioning groove, and the second pressing mechanism has a positioning protrusion that forms a positioning engagement with the positioning groove.

[0018] The advantages of this application compared to the prior art are:

[0019] Compared to traditional vertically positioned clamping structures, the first clamping block of this application's clamping structure moves at an angle and acts on at least two different surfaces of the guide plate. This allows for clamping forces in at least two different directions, including clamping forces perpendicular to the working plane and clamping forces parallel to the working plane. This clamping effect is superior to existing technologies (which only clamp perpendicular to the working plane), resulting in greater stability of the workpiece being processed. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A schematic diagram of a vehicle equipped with an arc guide plate is shown in an embodiment of this application;

[0022] Figure 2 An axial view of the guide plate positioning device according to an embodiment of this application is shown;

[0023] Figure 3 A schematic diagram of the first pressing mechanism in an embodiment of this application is shown;

[0024] Figure 4A schematic diagram of the second pressing mechanism in an embodiment of this application is shown;

[0025] Figure 5 A schematic diagram of the first pressing block according to an embodiment of this application is shown;

[0026] Figure 6 A side view of the first pressing mechanism in an embodiment of this application is shown;

[0027] Figure 7 A schematic diagram showing the first pressing mechanism not pressing the guide plate in an embodiment of this application is shown;

[0028] Figure 8 A schematic diagram and a partial enlarged view of the first pressing mechanism pressing the guide arc plate in an embodiment of this application are shown;

[0029] Figure 9 An axial view of the first pressure block pressing the guide plate is shown in an embodiment of this application;

[0030] Figure 10 A top view of the first pressure block pressing the guide plate is shown in an embodiment of this application. Detailed Implementation

[0031] The embodiments of this application 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 application, and should not be construed as limiting this application.

[0032] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application.

[0033] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0034] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "electrical connection," and "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed electrical connection, a detachable electrical connection, or an integral connection; they can refer to a mechanical-electrical connection or an electro-electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0035] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "below" of the second feature...

[0036] "Below" can mean the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal height than the second feature. Example

[0037] like Figures 1-10 As shown, an embodiment of this application discloses an arc plate positioning device. This positioning device is used to position the arc plate 210 (arc plate 210 in carrier 260) of a miniature circuit breaker. It is a workstation in the miniature circuit breaker production process, specifically applied in the bimetallic strip adjustment process. Here, the bimetallic strip and the arc plate 210 are fixed by welding. Therefore, after the arc plate 210 is positioned, the position of the bimetallic strip can also be relatively determined, which is beneficial for adjusting the bimetallic strip. Of course, this is not limited to the bimetallic strip adjustment process; it can also be applied to other processes, as long as the arc plate 210 needs to be positioned before processing and adjustment.

[0038] Here, the guide plate 210 is installed in the carrier 260, which operates within the production line. The carrier 260 has a mounting position for the guide plate 210; the arrangement of this carrier 260 and its mounting position is conventional technology in the art and will not be described in detail here.

[0039] For the positioning device, it includes the working plane 100 and the first pressing mechanism 2-100.

[0040] The working surface 100 is used to support the carrier 260, that is, to place the carrier 260. Here, the working surface 100 is set on the worktable, and the first pressing mechanism 2-100 is also set on the worktable. The movement ranges of the working surface 100 and the first pressing mechanism 2-100 overlap, so the guide plate 210 inside the carrier 260 can be pressed tightly by the first pressing mechanism 2-100.

[0041] Here, the first pressing mechanism 2-100 includes a first pressing block 2-110 and a first driving structure 2-120.

[0042] Here, the first drive structure 2-120 uses a cylinder assembly, which includes a cylinder 2-1201, a cylinder bracket 2-1202, and a cylinder top block 2-1203. The cylinder bracket 2-1202 is fixed to the worktable with bolts, the cylinder 2-1201 is fixed to the cylinder bracket 2-1202 with bolts, and the cylinder top block 2-1203 is fixed to the cylinder push rod. The first pressure block 2-110 is fixed to the cylinder top block 2-1203. Of course, as an alternative, the first pressure block 2-110 can also be integrally formed with the cylinder top block 2-1203.

[0043] In this configuration, the first pressing block 2-110 and the first driving structure 2-120 move in the same direction and are both inclined relative to the working plane 100. This inclined arrangement means that there is an included angle Z between them that is not 90 degrees. As a preferred embodiment, the included angle between them in this application is 27°, although other angles can also be used, with a preferred range being 10° to 80°.

[0044] In this configuration, the first pressure block 2-110 essentially functions as the output section of the first drive structure 2-120. Alternatively, the first drive structure 2-120 can be replaced with a cylinder assembly or a combination of a motor and a lead screw-slider mechanism.

[0045] As an alternative, the first drive structure 2-120 may not directly drive the first pressure block 2-110. Instead, it can utilize an intermediate conversion mechanism to drive the first pressure block 2-110. In this method, the movement directions of the first pressure block 2-110 and the first drive structure 2-120 are different, but the movement direction of the first pressure block 2-110 is still inclined relative to the working plane 100. Here, the intermediate conversion mechanism can take many forms, including gear transmission, linkage transmission, or inclined plane transmission. Similarly, the first drive structure 2-120 can also be a hydraulic cylinder assembly, a pneumatic cylinder assembly, or a combination of a motor and a lead screw and slider mechanism.

[0046] Regardless of the method, the movement direction of the first pressing block 2-110 is inclined relative to the working plane 100.

[0047] The first pressing block 2-110 can press against the surface of the guide plate 210 in at least two different directions. This pressing structure, combined with the tilt of the movement direction of the first pressing block 2-110, can generate a pressing force perpendicular to the working plane 100 (vertical pressing force F1) and a pressing force parallel to the working plane 100 (parallel pressing force F2) on the guide plate 210.

[0048] Compared to traditional methods that only generate a clamping force perpendicular to the working plane by 100°, the clamping effect of this application is better, making the workpiece to be processed more stable.

[0049] The reason why the first pressing block 2-110 presses against the surface of the guide plate 210 in at least two different directions is that the first pressing block 2-110 has a first pressing surface 2-1101 and a second pressing surface 2-1102, while the guide plate 210 has a bent portion. The first pressing surface 2-1101 and the second pressing surface 2-1102 are perpendicular to each other. The first pressing surface 2-1101 generates a pressing force on the bent portion in a direction perpendicular to the working plane 100, and the second pressing surface 2-1102 generates a pressing force on the bent portion in a direction parallel to the working plane 100.

[0050] The combination of these two top-pressing surfaces and the top-pressing effect of the bending part can easily generate clamping forces in different directions, ensuring the clamping effect on the guide plate 210.

[0051] The bent portion includes a first plate portion 2101 and a second plate portion 2102, which are arranged at an angle (generally an acute angle). A snap-fit ​​portion 2103 extends from one side of the second plate portion 2102 in a first direction (this snap-fit ​​portion itself is used to engage with the circuit breaker housing). A first pressing surface 2-1101 presses against the first surface M1 of the first plate portion 2101 in the first dimension S1 (or, in other words, the surface of the first plate portion 2101 facing away from the working plane 100) to generate a clamping force perpendicular to the working plane 100. A second pressing surface 2-1102 presses against the side surface M2 of the snap-fit ​​portion 2103 to generate a clamping force parallel to the working plane 100. Here, the side surface M2 and the first surface M1 are surfaces in different directions.

[0052] This structure, by cleverly combining the two top-pressing surfaces with the inherent features of the circuit breaker guide plate 210 itself (whether it is the first plate part 2101, the second plate part 2102, or the snap-fit ​​part 2103, they are all existing features), achieves a multi-directional pressing effect.

[0053] Here, we assume that the three imaginary dimensions of the three-dimensional space are the first dimension S1, the second dimension S2, and the third dimension S3, and that these three dimensions are mutually perpendicular. If the first dimension S1 is the height direction, then the second dimension S2 is equivalent to the width direction, and the third dimension S3 is equivalent to the height direction.

[0054] The first dimension S1 is perpendicular to the working plane 100, and the second dimension S2 and the third dimension S3 are parallel to the working plane 100.

[0055] The clamping force generated by the first pressing surface 2-1101 pressing against the first plate 2101 is in the first dimension S1 direction. This is because the first surface M1 in the first dimension S1 is parallel to the working plane 100, so the force acting on it is in the first dimension S1 direction. The locking part 2103 extends from the second plate 2102 on one side in the first direction, and there is an angle between it and the first plate 2101. Therefore, the side surface M2 of the locking part 2103 is neither parallel to the second dimension S2 nor parallel to the third dimension S3. Thus, the clamping force generated on its side surface M2 is a composite direction of the second dimension S2 and the third dimension S3. Simply put, this clamping force can be decomposed into a decomposed force of the second dimension S2 and a decomposed force of the third dimension S3.

[0056] This structure makes it easier to press the guide plate 210 firmly.

[0057] The aforementioned clamping guide plate 210 actually refers to clamping it into the carrier 260.

[0058] Here, for the first pressing block 2-110, its ends form a first pressing foot 2-1103 and a second pressing foot 2-1104. A first clearance groove 2-1105 is formed between the first pressing foot 2-1103 and the second pressing foot 2-1104. The first pressing surface 2-1101 is a surface of the first pressing foot 2-1103 parallel to the working plane 100 (or the lower surface of the first pressing foot 2-1103, or the surface facing the working plane 100). The second pressing surface 2-1102 is a surface of the second pressing foot 2-1104 located in the first clearance groove 2-1105. During pressing, the engaging part 2103 is located in the first clearance groove 2-1105 and is pressed by the second pressing surface 2-1102.

[0059] The design of the first clearance groove 2-1105, the first pressure foot 2-1103, and the second pressure foot 2-1104 makes the overall structure very compact, which is conducive to completing the pressing work.

[0060] The first pressure block 2-110 has a second clearance groove 2-1106. The first clearance groove 2-1105 and the second clearance groove 2-1106 are separated by the second pressure foot 2-1104, that is, they are located on both sides of the second pressure foot 2-1104. The design of the second clearance groove 2-1106 can be used to avoid other devices, making the entire device more compact.

[0061] To improve the clamping effect, a second pressing mechanism is also provided. This second pressing mechanism presses against the carrier 260 to ensure overall stability. Here, the second pressing mechanism presses against both sides of the carrier 260 in the second dimension S2, which is equivalent to generating a clamping force on the carrier 260 parallel to the working plane 100 (a clamping force in the second dimension S2 direction). This second pressing mechanism also helps the first constant pressure mechanism to generate a clamping force on the guide plate 210.

[0062] Here, the second pressing mechanism includes a second driving structure 2-130, a second pressing block 2-140, and a first limiting bracket 2-10.

[0063] The first limiting bracket 2-10 and the second limiting bracket 2-20 are arranged at intervals. The first limiting bracket 2-10 and the second limiting bracket 2-20 are also part of the worktable. That is, the working plane 100 is actually located between the first limiting bracket 2-10 and the second limiting bracket 2-20. The carrier 260 is also moved by the transport mechanism in the length direction of the first limiting bracket 2-10 and the second limiting bracket 2-20.

[0064] The first limiting bracket 2-10 and the second limiting bracket 2-20 are spaced apart, and this spacing is on the second dimension S2.

[0065] The second drive structure 2-130 is located on the side of the second limiting bracket 2-20 opposite to the first limiting bracket 2-10 in the second dimension S2. The second limiting bracket 2-20 has a through hole 2-201, and the second pressure block 2-140 slides through the through hole 2-201, with one end connected to the second drive structure 2-130 and the other end acting on the carrier 260.

[0066] Here, the second drive structure 2-130 uses a cylinder assembly. Under the action of the cylinder, the second pressure block 2-140 clamps or releases the carrier 260 from the first limiting bracket 2-10. Of course, in addition to this, the second drive structure 2-130 can also use a hydraulic cylinder assembly or a combination of a motor and a lead screw and slider mechanism. In any case, as long as power can be applied to move the second pressure block 2-140, it is acceptable.

[0067] For the carrier 260, it has a positioning groove 2601 on the surface near the second pressure block 2-140, and the second pressure block 2-140 has a positioning protrusion 2-1401. The positioning protrusion 2-1401 can be inserted into the positioning groove 2601 to form a positioning fit. Such a positioning fit can improve the stability of the carrier 260 being clamped.

[0068] In the description of this specification, the references to terms such as "one embodiment," "some 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 this application. In this specification, the 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. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0069] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. An arc guide positioning apparatus, characterized by: It includes a working plane and a first pressing mechanism; the working plane is used to place a carrier with a guide plate; the first pressing mechanism includes a first pressing block and a first driving structure, the first pressing block is movable relative to the working plane and the direction of movement is inclined to the working plane, the first driving structure drives the first pressing block to move toward the working plane to press the guide plate in the carrier; the first pressing block presses against the surface of the guide plate in at least two different directions to generate a pressing force perpendicular to the working plane and a pressing force parallel to the working plane.

2. A guide plate positioning apparatus according to claim 1, wherein: The guide plate includes a bent portion; the first pressure block includes a first pressure surface and a second pressure surface, which are perpendicular to each other and act on different surfaces of the bent portion respectively; the first pressure surface generates a pressing force perpendicular to the working plane on the bent portion, and the second pressure surface generates a pressing force parallel to the working plane on the bent portion.

3. A guide plate positioning apparatus according to claim 2, wherein: The bending portion includes a first plate portion and a second plate portion, which are arranged at an angle; a first pressing surface presses against a first surface of the first plate portion in a first direction to generate a pressing force perpendicular to the working plane. The second plate extends to one side in the first direction and has a snap-fit ​​portion. The second pressing surface presses against the side surface of the snap-fit ​​portion to generate a clamping force parallel to the working plane.

4. A guide plate positioning apparatus according to claim 3, wherein: The three imaginary dimensions of the three-dimensional space are the first dimension, the second dimension, and the third dimension, and the three dimensions are perpendicular to each other. The first dimension is perpendicular to the working plane, and the second and third dimensions are parallel to the working plane. The clamping force generated by the first pressing surface pressing against the first plate is in the direction of the first dimension. The clamping force generated by the second pressing surface pressing against the side surface of the snap-fit ​​part is in the combined direction of the second and third dimensions.

5. A guide plate positioning apparatus according to claim 3, wherein: The first pressure block includes a first pressure foot and a second pressure foot, with a first clearance groove formed between the first pressure foot and the second pressure foot; The second pressing surface is one of the surfaces where the second pressing foot is located in the first clearance groove, and the snap-fit ​​part is located in the first clearance groove when pressing; The first pressing surface is a surface of the first pressing foot that is parallel to the working plane.

6. A guide vane positioning apparatus according to claim 4, wherein: The first pressure block is provided with a second clearance groove, and the first clearance groove and the second clearance groove are respectively located on both sides of the second pressure foot.

7. The guide plate positioning device according to claim 1, characterized in that: The first pressing block moves in the same direction as the first driving structure. The first pressing block is the output part of the first driving structure. The first driving structure is a combination of a hydraulic cylinder assembly, a pneumatic cylinder assembly, or a motor and a lead screw and slider mechanism. Alternatively, the first pressing block and the first driving structure move in different directions. There is also an intermediate conversion mechanism between the first pressing block and the first driving structure. The output of the first driving structure is converted by the intermediate conversion mechanism and then acts on the first pressing block. The first driving structure is a combination of a hydraulic cylinder assembly, a pneumatic cylinder assembly, or a motor and a lead screw and slider mechanism.

8. A guide vane positioning apparatus as defined in claim 1, wherein: The three imaginary dimensions of the three-dimensional space are the first dimension, the second dimension, and the third dimension, which are perpendicular to each other. The second and third dimensions are parallel to the working plane. It also includes a second pressing mechanism, which presses against both sides of the carrier and generates a carrier clamping force parallel to the working plane in the second dimension.

9. A guide vane positioning apparatus according to claim 8, wherein: The second pressing mechanism includes a second driving structure, a second pressing block, and a first limiting bracket. The first limiting bracket and the second pressing block are spaced apart in a second dimension. The second driving structure drives the second pressing block to move toward or away from the direction where the first limiting bracket is located, so as to clamp or release the carrier between the second pressing block and the first limiting bracket.

10. A guide vane positioning apparatus according to claim 8, wherein: The carrier has a positioning groove on at least one side wall for the second pressing mechanism to press, and the second pressing mechanism has a positioning protrusion that forms a positioning fit with the positioning groove.

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