Electrical switch multi-contact assembly device

Abstract

The present invention provides an electrical switch multi-contact assembly device, comprising a stand and a pressing device, a lifting mechanism, a contact mounting assembly, a spring positioning assembly, and a holder mounted thereon, respectively. The pressing device and the lifting mechanism are coaxially arranged, and the pressing device and the lifting mechanism are respectively located at the upper and lower ends of the holder, the spring positioning assembly and the contact mounting assembly are arranged opposite to each other, and the holder is located between the spring positioning assembly and the contact mounting assembly, the pressing assembly and the holder are used to fix the relative position of the sub-accessory housing, the spring positioning assembly is used to fix the relative position of the pressing spring, and the lifting assembly is used to push the pressing frame for axial displacement, and the contact mounting assembly is used to respectively install the first contact and the second contact. The electrical switch multi-contact assembly device of the present invention can realize the one-time automatic assembly of the first contact and the second contact through the device, and the equipment has low cost, is easy to copy, has high assembly efficiency, and is quality controllable.

Description

Technical Field

[0001] The invention belongs to the field of low-voltage switch production equipment, and in particular relates to an electrical switch multi-contact assembly device. Background Art

[0002] Low voltage switch is a commonly used electrical component. In order to facilitate the assembly of low voltage switch or the structural limitations of low voltage switch, the contact accessories of low voltage switch will be pre-assembled, such as Figure 1-3 As shown, the contact accessory includes a sub-accessory housing 100, a first contact 200, a second contact 300, a pressing frame 400 and a pressing spring 500, the sub-accessory housing 100 is installed in the installation shell, a blind groove is provided in the middle of the lower end of the sub-accessory housing 100, and the side wall of the sub-accessory housing 100 is axially provided with a first mounting groove and a second mounting groove, and the first mounting groove and the second mounting groove are both through grooves, the first contact 200 is installed in the first mounting groove, the second contact 300 is installed in the second mounting groove, and the first contact 200 is located above the second contact 300, the pressing frame 400 is installed in the blind groove, and the pressing frame 400 has a rectangular frame structure, the outer periphery of the first contact 200 and the outer periphery of the second contact 300 are both located in the open pressing frame 400, and both sides of the first contact 200 and the second contact 300 are located in the sub-accessory On the outside of the component housing 100, the upper end of the first contact 200 abuts the top inner wall of the column pressing frame 400, the lower end of the first contact 200 abuts the side wall of the sub-accessory housing 100, the upper end of the second contact 300 abuts the side wall of the sub-accessory housing 100, and the lower end of the second contact 300 is elastically connected to the bottom inner wall of the pressing frame 400 through the pressing spring 500. In this way, the elasticity of the pressing spring 500 acts synchronously on the first contact 200 and the second contact 300 to prevent the first contact 200 and the second contact 300 from being installed loosely. The first contact 200 and the second contact 300 are detachable structures. During assembly, personnel need to press the pressing spring 500 to the extreme compression position, and then plug in the first contact 200 and the second contact 300 respectively, and then release the spring. The labor intensity is high and the efficiency is low. Summary of the Invention

[0003] In view of this, the present invention aims to provide an electrical switch multi-contact assembly device to solve the problems of low efficiency and high labor intensity in the assembly of contact accessories of low-voltage switches in the prior art.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] A multi-contact assembly device for an electrical switch includes a stand and a pressing device, a lifting mechanism, a contact mounting assembly, a spring positioning assembly and a holder respectively installed thereon. The pressing device and the lifting mechanism are coaxially arranged, and the pressing device and the lifting mechanism are respectively located at the upper and lower ends of the holder. The spring positioning assembly and the contact mounting assembly are arranged opposite to each other, and the holder is located between the spring positioning assembly and the contact mounting assembly. The pressing assembly and the holder are used to fix the relative positions of the sub-accessory housing, the spring positioning assembly is used to fix the relative positions of the compression spring, and the lifting assembly is used to push the pressing frame for axial displacement. The contact mounting assembly is used to respectively install the first contact and the second contact.

[0006] Furthermore, the clamping device is a first push rod cylinder or a clamping fixture.

[0007] Furthermore, the jacking mechanism includes a wedge block, a connecting plate, a first slide rail, a first push rod, a bottom wheel, a jacking column and a first cylinder. A through hole is provided in the middle of the base, the outer periphery of the upper end of the jacking column is located in the first through hole, the bottom wheel is installed at the lower end of the jacking column, the outer periphery of the bottom wheel is rollingly connected to the slope of the wedge block, and the wedge block is fixedly installed on the connecting plate, the lower end of the connecting plate is slidably connected to the outer periphery of the first slide rail, the first slide rail is fixedly installed on the stand, one side of the wedge block is connected to the first cylinder through the first push rod, and the first cylinder drives the wedge block and the connecting plate to slide on the first slide rail through the first push rod, and the sliding wedge block drives the jacking column to slide in the through hole through the bottom wheel.

[0008] Furthermore, the spring positioning assembly includes a second cylinder and a pin. The periphery of the second cylinder is fixedly connected to the stand. The pin is installed on the movable end of the second cylinder. The periphery of the pin is used to fix the relative position of the spring end surface.

[0009] Furthermore, the contact mounting assembly includes a first mounting portion and a second mounting portion, wherein the first mounting portion is used to mount the first contact, and the second mounting portion is used to mount the second contact.

[0010] Furthermore, the second mounting portion includes a second slot plate and a second plug-in plate arranged inside the second slot plate, the second slot plate is fixed to the stand, a second mounting slot is provided on the upper end of the second slot plate, the second plug-in plate can slide in the second mounting slot, and the width of the second mounting slot is adapted to the outer size of the second contact, one end of the second plug-in plate is fixedly connected to one end of the first cylinder, and the other end of the second plug-in plate is used to abut against one end of the second contact.

[0011] Furthermore, one end of the first push rod is provided with a threaded hole, an adjusting bolt is installed in the threaded hole, and one end of the adjusting bolt is in contact with and connected to the movable end of the first cylinder.

[0012] Furthermore, a return spring is provided on the periphery of the adjusting bolt, and both ends of the return spring are fixedly connected to the stand and the periphery of the adjusting bolt respectively.

[0013] Furthermore, the first mounting portion includes a third cylinder and a first slot plate. The periphery of the third cylinder is fixedly connected to the stand. The movable end of the third cylinder is mounted with the first slot plate, and the first slot plate is located at the upper end of the second slot plate.

[0014] Furthermore, a first mounting groove is provided at the upper end of the first slot plate, the width of the first mounting groove is adapted to the outer dimensions of the first contact, a first plug-in board is provided in the first mounting groove, one end of the first plug-in board is fixedly connected to the movable end of the fourth cylinder, and the fourth cylinder is fixedly mounted on the stand, and the other end of the first plug-in board is used to abut against one end of the first contact.

[0015] Compared with the prior art, the multi-contact assembly device for an electrical switch described in the present invention has the following beneficial effects: the clamping assembly and the socket are used to fix the relative position of the sub-accessory housing, the spring positioning assembly is used to fix the relative position of the compression spring, and the lifting assembly is used to push the clamping frame for axial displacement, and the contact installation assembly is used to respectively install the first contact and the second contact. Through this device, the one-time automatic assembly of the first contact and the second contact can be achieved, and the equipment cost is low, it is easy to copy, the assembly efficiency is high, and the quality is controllable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which constitute part of the present invention, are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic structural diagram of a contact accessory according to an embodiment of the present invention;

[0018] Figure 2 is a cross-sectional schematic diagram of a contact accessory according to an embodiment of the present invention;

[0019] Figure 3 This is a schematic structural diagram of the cooperation between the compression frame, the first contact and the second contact according to an embodiment of the present invention;

[0020] Figure 4 This is a schematic structural diagram of an electrical switch multi-contact assembly device according to an embodiment of the present invention;

[0021] Figure 5 This is a structural schematic diagram of the jacking mechanism according to an embodiment of the present invention;

[0022] Figure 6 A schematic side view of a lifting mechanism according to an embodiment of the present invention;

[0023] Figure 7 This is a schematic structural diagram of a contact mounting assembly according to an embodiment of the present invention;

[0024] Figure 8 This is a structural diagram of a contact accessory provided on a card holder according to an embodiment of the present invention;

[0025] Figure 9 This is a structural diagram of a pin being plugged into a compression spring according to an embodiment of the present invention.

[0026] Description of reference numerals:

[0027] 100-sub-accessory housing; 200-first contact; 300-second contact; 400-clamping frame; 500-clamping spring; 1-stand; 2-clamping device; 3-lifting mechanism; 31-wedge block; 32-connecting plate; 33-first slide rail; 34-first push rod; 35-bottom wheel; 36-lifting column; 37-first cylinder; 38-adjusting bolt; 39-reset spring; 4-contact mounting assembly; 41-second slot plate; 42-second plug-in board; 43-third cylinder; 44-first slot plate; 45-first plug-in board; 46-fourth cylinder; 5-spring positioning assembly; 51-pin; 6-socket; 61-through hole. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0032] like Figure 1-9 As shown, the multi-contact assembly device of the electrical switch includes a stand 1 and a pressing device 2, a lifting mechanism 3, a contact mounting assembly 4, a spring positioning assembly 5 and a holder 6 are respectively installed thereon, the pressing device 2 and the lifting mechanism 3 are coaxially arranged, and the pressing device 2 and the lifting mechanism 3 are respectively located at the upper and lower ends of the holder 6, the spring positioning assembly 5 and the contact mounting assembly 4 are arranged opposite to each other, and the holder 6 is located between the spring positioning assembly 5 and the contact mounting assembly 4, the pressing assembly and the holder 6 are used to fix the relative position of the sub-accessory housing 100, the spring positioning assembly 5 is used to fix the relative position of the compression spring 500, and the lifting assembly is used to push the pressing frame 400 for axial displacement, and the contact mounting The assembly 4 is used to install the first contact 200 and the second contact 300 respectively. The device can realize the one-time automatic assembly of the first contact 200 and the second contact 300, and the equipment cost is low, easy to copy, the assembly efficiency is high, and the quality is controllable. The control method of the embodiment is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and this article is mainly used to protect mechanical devices. The control method and circuit connection are not explained in detail in this article. The clamping device 2 is a push rod cylinder or a clamping clamp selected from the existing technology. This embodiment is implemented using a clamping clamp.

[0033] The lifting mechanism 3 includes a wedge block 31, a connecting plate 32, a first slide rail 33, a first push rod 34, a bottom wheel 35, a lifting column 36 and a first cylinder 37. A through hole 61 is provided in the middle of the base 6. The upper end periphery of the lifting column 36 is located in the first through hole 61. The lower end of the lifting column 36 is installed with a bottom wheel 35. The periphery of the bottom wheel 35 is rollingly connected to the slope of the wedge block 31, and the wedge block 31 is fixedly installed on the connecting plate 32. The lower end of the connecting plate 32 is slidably connected to the periphery of the first slide rail 33. The first slide rail 33 is fixedly installed to On the platform 1, one side of the wedge block 31 is connected to the first cylinder 37 through the first push rod 34, and the first cylinder 37 drives the wedge block 31 and the connecting plate 32 to slide on the first slide rail 33 through the first push rod 34. The sliding wedge block 31 drives the lifting column 36 to slide in the through hole 61 through the bottom wheel 35. The slope of the wedge block 31 is used to control the rising distance of the lifting column 36. When the first cylinder 37 uses a pneumatic rodless gas rod, the lifting accuracy of the lifting column 36 can be improved, which is conducive to reducing equipment costs.

[0034] The spring positioning assembly 5 includes a second cylinder and a pin 51. The periphery of the second cylinder is fixedly connected to the stand 1. The pin 51 is installed on the movable end of the second cylinder. The periphery of the pin 51 is used to fix the relative position of the spring end face. The pin 51 is a limiting structure of the spring end face. The end face of the pin 51 adopts a conical or frustum structure to avoid damaging the structure of the spring.

[0035] The contact mounting assembly includes a first mounting portion and a second mounting portion, wherein the first mounting portion is used to mount the first contact 200 , and the second mounting portion is used to mount the second contact 300 .

[0036] The second mounting portion includes a second slot plate 41 and a second plug-in plate 42 arranged inside the second slot plate 41. The second slot plate 41 is fixed to the stand 1. A second plug-in slot is provided at the upper end of the second slot plate 41. The second plug-in plate 42 can slide in the second plug-in slot, and the width of the second plug-in slot is adapted to the outer dimensions of the second contact 300. One end of the second plug-in plate 42 is fixedly connected to one end of the first cylinder 37, and the other end of the second plug-in plate 42 is used to abut against one end of the second contact 300.

[0037] A threaded hole is provided at one end of the first push rod 34, and an adjusting bolt 38 is installed in the threaded hole. One end of the adjusting bolt 38 is in contact with and connected to the movable end of the first cylinder 37. The adjusting bolt 38 and the first push rod 34 are connected by threads to adjust the distance between the end face of the adjusting bolt 38 and the movable end of the first cylinder 37 for easy adjustment.

[0038] A reset spring 39 is provided around the adjusting bolt 38, and both ends of the reset spring 39 are fixedly connected to the stand 1 and the periphery of the adjusting bolt 38 respectively. The reset spring 39 is the reset structure of the jacking column 36, so that no extra power needs to be added when the jacking column 36 is reset, thereby reducing equipment costs.

[0039] The first mounting portion includes a third cylinder 43 and a first slot plate 44. The periphery of the third cylinder 43 is fixedly connected to the platform 1. The movable end of the third cylinder 43 is installed with the first slot plate 44, and the first slot plate 44 is located at the upper end of the second slot plate 41. Figure 1 As shown, the first contact 200 and the second contact 300 are in the same axial plane and are parallel to each other. In this way, the shapes of the first plug-in board 45 and the second plug-in board 42 are completely overlapped in the longitudinal direction. In order to facilitate the upward adjustment of the second contact 300, the end face of the first slot plate 44 needs to have the function of axial movement to facilitate the filling of the second slot.

[0040] A first plug-in slot is provided at the upper end of the first slot plate 44, and the width of the first plug-in slot is adapted to the outer dimensions of the first contact 200. A first plug-in board 45 is provided in the first plug-in slot, and one end of the first plug-in board 45 is fixedly connected to the movable end of the fourth cylinder 46, and the fourth cylinder 46 is fixedly mounted on the stand 1, and the other end of the first plug-in board 45 is used to abut against one end of the first contact 200.

[0041] Working process of electrical switch multi-contact assembly device:

[0042] The staff first prevents the compression spring 500 from being inserted into the compression frame 400, and then places the compression frame 400 and the compression spring 500 into the blind groove of the sub-accessory housing 100, adjusts the opening of the compression frame 400 to correspond to the through groove position, and then prevents the sub-accessory housing 100 from being inserted into the card seat 6. At this time, the open end of the blind groove is located at the lower end of the sub-accessory housing 100. The staff places the first contact 200 and the second contact 300 into the first plug-in slot and the second plug-in slot respectively, starts the device, and the spring is fixed. The second cylinder of the positioning assembly 5 drives the pin 51 to be inserted into the compression spring 500, and then the first cylinder 37 drives the second plug plate and the second contact 300 to move closer to the sub-assembly housing 100. After the second plug plate travels a certain distance, the movable end of the first cylinder 37 abuts against the end of the adjusting bolt 38. At this time, the first cylinder 37 drives the second plug plate and the adjusting bolt 38 to move synchronously. The displacement of the second plug plate drives the second contact 300 to be inserted from the second mounting groove into the opening of the compression frame 400. The adjusting bolt 38 drives the first drag rod , the wedge block 31 is displaced, the bottom wheel 35 is affected by the slope of the wedge block 31 to drive the jacking column 36 to move upward, the end of the jacking column 36 jacks the bottom outer wall of the pressing frame 400, and the sub-accessory housing 100 is affected by the pressing device 2 and remains stationary, the upper end face of the pressing spring 500 is affected by the pin 51 and the second contact 300 and remains stationary, the gap between the second contact 300 and the top inner wall of the pressing frame 400 increases as the end face of the jacking column 36 rises, and the third cylinder 43 drives the first slot plate 44 to the sub-accessory housing 100 approaches until the first slot plate 44 completely covers the second slot plate 41, and then the fourth cylinder 46 drives the first plug-in board 45 and the first contact 200 to approach the sub-accessory housing 100 until the first contact 200 is inserted from the first mounting slot into the clamping frame 400, and then the second cylinder drives the pin 51 to reset, and the third cylinder 43, the fourth cylinder 46, and the first cylinder 37 reset in turn, and the reset spring 39 drives the wedge block 31, the bottom wheel 35 and the lifting column 36 to reset, and the assembly of the contact accessory is completed.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An electrical switch multi-contact assembly device for assembling contact accessories, comprising a sub-accessory housing (100), a first contact (200), a second contact (300), a pressing frame (400) and a pressing spring (500), wherein the sub-accessory housing (100) is installed in a mounting shell, a blind groove is provided in the middle of the lower end of the sub-accessory housing (100), and a first mounting groove and a second mounting groove are provided on the side wall of the sub-accessory housing (100) along the axial direction, and the first mounting groove and the second mounting groove are both through grooves, the first contact (200) is installed in the first mounting groove, the second contact (300) is installed in the second mounting groove, and the first contact (200) is located above the second contact (300), and the pressing frame (400) is installed. The invention is installed in a blind groove, and the pressing frame (400) has a rectangular frame structure. The periphery of the first contact (200) and the periphery of the second contact (300) are both located in the open pressing frame (400). Both sides of the first contact (200) and the second contact (300) are located outside the sub-accessory housing (100). The upper end of the first contact (200) abuts against the top inner wall of the column pressing frame (400), the lower end of the first contact (200) abuts against the side wall of the sub-accessory housing (100), the upper end of the second contact (300) abuts against the side wall of the sub-accessory housing (100), and the lower end of the second contact (300) is elastically connected to the bottom inner wall of the pressing frame (400) through a pressing spring (500). It is characterized in that: The invention comprises a stand (1) and a pressing device (2), a lifting mechanism (3), a contact mounting assembly (4), a spring positioning assembly (5) and a holder (6) respectively mounted thereon; the pressing device (2) and the lifting mechanism (3) are coaxially arranged, and the pressing device (2) and the lifting mechanism (3) are respectively located at the upper and lower ends of the holder (6); the spring positioning assembly (5) and the contact mounting assembly (4) are arranged opposite to each other, and the holder (6) is located between the spring positioning assembly (5) and the contact mounting assembly (4); the pressing assembly and the holder (6) are used to fix the relative position of the sub-assembly housing (100); the spring positioning assembly (5) is used to fix the relative position of the pressing spring (500); the lifting assembly is used to push the pressing frame (400) to axial displacement; and the contact mounting assembly (4) is used to respectively install the first contact (200) and the second contact (300); The lifting mechanism (3) comprises a wedge block (31), a connecting plate (32), a first slide rail (33), a first push rod (34), a bottom wheel (35), a lifting column (36) and a first cylinder (37). A through hole (61) is provided in the middle of the base (6). The upper end periphery of the lifting column (36) is located in the first through hole (61). The lower end of the lifting column (36) is installed with a bottom wheel (35). The periphery of the bottom wheel (35) is rollingly connected to the slope of the wedge block (31), and the wedge block (31) is fixedly installed to the connecting plate ( 32), the lower end of the connecting plate (32) is slidably connected to the periphery of the first slide rail (33), the first slide rail (33) is fixedly installed on the platform (1), one side of the wedge block (31) is connected to the first cylinder (37) through the first push rod (34), and the first cylinder (37) drives the wedge block (31) and the connecting plate (32) to slide on the first slide rail (33) through the first push rod (34), and the sliding wedge block (31) drives the lifting column (36) to slide in the through hole (61) through the bottom wheel (35); The spring positioning assembly (5) comprises a second cylinder and a pin (51), the periphery of the second cylinder is fixedly connected to the platform (1), the pin (51) is installed on the movable end of the second cylinder, and the periphery of the pin (51) is used to fix the relative position of the spring end surface.

2. The multi-contact assembly device for an electrical switch according to claim 1, characterized in that: The pressing device (2) is a first push rod (34) cylinder or a clamping fixture.

3. The multi-contact assembly device for an electrical switch according to claim 1, wherein: The contact mounting assembly comprises a first mounting portion and a second mounting portion, wherein the first mounting portion is used for mounting a first contact (200), and the second mounting portion is used for mounting a second contact (300).

4. The multi-contact assembly device for an electrical switch according to claim 3, characterized in that: The second mounting portion includes a second slot plate (41) and a second plug-in plate (42) arranged therein. The second slot plate (41) is fixed to the stand (1). A second mounting slot is provided at the upper end of the second slot plate (41). The second plug-in plate (42) can slide in the second mounting slot, and the width of the second mounting slot is adapted to the outer dimensions of the second contact (300). One end of the second plug-in plate (42) is fixedly connected to one end of the first cylinder (37), and the other end of the second plug-in plate (42) is used to abut against one end of the second contact (300).

5. The electrical switch multi-contact assembly device according to claim 4, characterized in that: One end of the first push rod (34) is provided with a threaded hole, an adjusting bolt (38) is installed in the threaded hole, and one end of the adjusting bolt (38) is contact-connected to the movable end of the first cylinder (37).

6. The multi-contact assembly device for an electrical switch according to claim 5, characterized in that: A return spring (39) is arranged on the periphery of the regulating bolt (38), and two ends of the return spring (39) are respectively fixedly connected to the stand (1) and the periphery of the regulating bolt (38).

7. The multi-contact assembly device for an electrical switch according to claim 4, characterized in that: The first mounting portion includes a third cylinder (43) and a first slot plate (44). The periphery of the third cylinder (43) is fixedly connected to the platform (1). The movable end of the third cylinder (43) is mounted with the first slot plate (44), and the first slot plate (44) is located above the second slot plate (41).

8. The multi-contact assembly device for an electrical switch according to claim 7, characterized in that: A first mounting groove is provided at the upper end of the first slot plate (44), the width of the first mounting groove being adapted to the outer dimensions of the first contact (200), a first plug-in board (45) being provided in the first mounting groove, one end of the first plug-in board (45) being fixedly connected to the movable end of the fourth cylinder (46), and the fourth cylinder (46) being fixedly mounted on the stand (1), and the other end of the first plug-in board (45) being used to abut against one end of the first contact (200).

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