Hot riveting mechanism for rotary potentiometer

Abstract

The utility model relates to potentiometer equipment technical field, especially a rotary potentiometer is with hot riveting pressure mechanism, including support frame and through the hot riveting head of first linear drive piece up and down movable installation on support frame, the lower portion of hot riveting head is provided with the limiting mechanism for down tightly pressing the rubber -coated carbon piece on the positioning tool top, and limiting mechanism includes the limiting baffle of setting below hot riveting head and the second linear drive piece of driving limiting baffle moves up and down, the limiting baffle is provided with the yield hole through the bottom end of containing hot riveting head passes, through setting hot riveting head and first linear drive piece, can heat riveting fixed with the rubber -coated carbon piece of rotating to the rubber seat below, through setting limiting mechanism can limit the rubber -coated carbon piece, avoid its with hot riveting head up and down movement, hot riveting pressure precision is high, reduces the failure rate, and the practicality is strong.

Description

TECHNICAL FIELD

[0001] The utility model relates to potentiometer equipment technical field, concretely is hot riveting pressure mechanism for rotary potentiometer. BACKGROUND

[0002] Potentiometer is with three outgoing ends, resistance value can adjust according to certain change rule resistance element. Potentiometer usually is composed of resistance body and movable brush. Its main function is to adjust the size of voltage and current. Working principle is through manual adjustment pivot or slide handle, change the position of movable contact on resistance body, then change the resistance value between movable contact and any fixed end, thereby change the size of voltage and current.

[0003] Rotary potentiometer includes rubber-coated carbon sheet, brush and rubber seat, when assembling, rubber seat and rubber-coated carbon sheet are generally fixed through hot riveting, so need to use a kind of hot riveting pressure mechanism for rotary potentiometer. SUMMARY

[0004] The utility model discloses a kind of hot riveting pressure mechanisms for rotary potentiometer, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: hot riveting pressure mechanism for rotary potentiometer, including support frame and hot riveting head that is installed on support frame through the first linear drive piece and moves up and down, the lower portion of hot riveting head is provided with limiting mechanism for pressing rubber-coated carbon sheet downwards on the top end of positioning tool, and limiting mechanism includes limiting baffle that is arranged in the lower portion of hot riveting head and the second linear drive piece that drives limiting baffle to move up and down, limiting baffle is provided with the let go through hole that the bottom end of hot riveting head passes through.

[0006] Further, the support frame includes bottom plate, top plate and vertical plate that are arranged in parallel up and down, and the vertical plate is connected to the bottom plate and the top plate.

[0007] Further, the support frame is provided with guiding module for limiting hot riveting head.

[0008] Further, the second linear drive piece is vertically fixed on support frame, and the output end of second linear drive piece is vertically fixed with connecting rod, the upper portion of second linear drive piece is fixed with fixed block, and fixed block is slidably connected with connecting rod, and the top end of connecting rod extends to the upper portion of fixed block and is fixedly connected with limiting baffle.

[0009] Further, the limiting baffle is shaped with rubber-coated carbon sheet.

[0010] Compared with the prior art, the beneficial effects of the utility model are that the rotary potentiometer with the hot riveting and pressing mechanism can hot rivet and fix the rubber seat and the rubber coated carbon piece which are rotated to the lower side by setting the hot riveting head and the first linear driving part, the rubber coated carbon piece can be limited by setting the limiting mechanism, the hot riveting head is prevented from moving up and down, the hot riveting and pressing precision is high, the failure rate is reduced, and the practicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the cross section structure schematic view of the utility model;

[0012] Fig. 2 It is the front view structure schematic view of the utility model;

[0013] Fig. 3 It is the condensing box oblique section structure schematic view of the utility model.

[0014] In the drawing: 1, support frame;101, bottom plate;102, vertical plate;103, top plate;2, hot riveting head;3, first linear driving part;4, limiting mechanism;401, limiting baffle;4011, give way through hole;402, second linear driving part;403, connecting rod;404, fixed block;5, guide module;6, positioning tool. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and it should be explained that, in the description of the utility model, the description of the terms "first", "second" and the like is only for the purpose of description, and does not mean the special indication of order or sequence, and is not used to limit the utility model, it is only for the purpose of distinguishing the components or operations described by the same technical terms, and can not be understood as indicating or suggesting the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features, therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one the features. In order to make the description of the utility model, the claims and the above-mentioned drawings, the terms "include" and any change of them, are intended to cover the non-exclusive inclusion.

[0016] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection", "connection", "arrangement" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances. In addition, in the description of the utility model, it is necessary to understand that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the device or element referred to must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0017] Please refer to Figs. 1-3 The utility model provides a kind of embodiment: the hot riveting mechanism for rotary potentiometer, including support frame 1 and through the first linear drive piece 3 upper and lower movable installation hot riveting head 2 on support frame 1, hot riveting head 2 is prior art, specific structure is not repeated here, by deforming glue seat hot riveting, make the glue seat and rubber-coated carbon sheet of rotary potentiometer fixed, in the embodiment, support frame 1 includes bottom plate 101, top plate 103 and the vertical plate 102 of parallel arrangement of upper and lower, vertical plate 102 is fixed with reinforcing rib on back, improve its stability, first linear drive piece 3 is installed at the top end of top plate 103, its output end extends to the lower of top plate 103 and is fixedly connected with hot riveting head 2, hot riveting head 2 is driven on the inside of support frame 1 by the extension of first linear drive piece 3 and moves up and down, riveting fixedly with the glue seat and rubber-coated carbon sheet positioned on tooling 6 below rotary hot riveting head 2.

[0018] Further, support frame 1 is provided with guide module 5 for limiting hot riveting head 2, and guide module 5 can be a linear slide rail, to improve the stability of the up-and-down sliding of hot riveting head 2, or guide module 5 can be set as a linear bearing.

[0019] A limiting mechanism 4 for pressing the rubber-coated carbon sheet downward on the top end of the positioning tool 6 is arranged below the hot riveting head 2, and the limiting mechanism 4 comprises a limiting baffle 401 arranged below the hot riveting head 2 and a second linear driving element 402 for driving the limiting baffle 401 to move up and down, and the limiting baffle 401 is provided with a passing-through hole 4011 for accommodating the bottom end of the hot riveting head 2 to pass through, and the limiting baffle 401 can press the rubber-coated carbon sheet on the top end of the positioning tool 6 to avoid the product after hot riveting from rising with the hot riveting head 2, and the height of the limiting baffle 401 relative to the positioning tool 6 can be adjusted because the positioning tool 6 is generally provided with a plurality of positioning tools and rotates and moves between the workstations for processing, and the adjustment of the limiting baffle 401 facilitates the rotating and moving of the positioning tool 6.

[0020] The second linear driving element 402 is vertically fixed on the support frame 1, and the output end of the second linear driving element 402 is vertically fixed with a connecting rod 403, and the upper portion of the second linear driving element 402 is fixed with a fixed block 404, and the fixed block 404 is specifically fixed on the vertical plate 102, and the fixed block 404 is in sliding connection with the connecting rod 403, and the top end of the connecting rod 403 extends above the fixed block 404 and is fixedly connected with the limiting baffle 401, and the connecting rod 403 is driven to move up and down by the second linear driving element 402, thereby driving the limiting baffle 401 to move up and down, and the stability of the limiting baffle 401 in moving up and down is improved.

[0021] In the embodiment, the limiting baffle 401 is profiled with the rubber-coated carbon sheet to facilitate the pressing of the rubber-coated carbon sheet downward.

[0022] In the embodiment, the linear driving element can be a pneumatic cylinder, or can be an electric push rod according to the needs.

[0023] Working principle: when working, the positioning tool 6 with the rubber seat and the rubber-coated carbon sheet is rotated to be directly below the hot riveting head 2, and the second linear driving element 402 first drives the limiting baffle 401 to descend to press the rubber-coated carbon sheet on the top end of the positioning tool 6, at this time the center of the rubber seat passes through the center through hole of the rubber-coated carbon sheet, and the first linear driving element 3 drives the hot riveting head 2 to descend to pass through the passing-through hole 4011, and the rubber seat extending to the top end of the rubber-coated carbon sheet is deformed by hot riveting to realize the fixation of the rubber seat and the rubber-coated carbon sheet, and the first linear driving element 3 drives the hot riveting head 2 to reset upward, and the second linear driving element 402 drives the limiting baffle 401 to reset upward, and the positioning tool 6 can be driven to continue to rotate and move to the next workstation for assembly.

[0024] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A hot upset mechanism for rotary potentiometers, characterized in that: The application relates to a hot riveting head device, which comprises a support frame (1) and a hot riveting head (2) movably installed on the support frame (1) through a first linear driving element (3), a limiting mechanism (4) is arranged below the hot riveting head (2) and used for pressing rubber-coated carbon sheets downwards on the top end of a positioning tool (6), the limiting mechanism (4) comprises a limiting baffle (401) arranged below the hot riveting head (2) and a second linear driving element (402) used for driving the limiting baffle (401) to move upwards and downwards, and a yielding through hole (4011) is arranged on the limiting baffle (401) and used for accommodating the bottom end of the hot riveting head (2) to pass through.

2. The hot upset mechanism for rotary potentiometers according to claim 1, characterized in that: The support frame (1) comprises a bottom plate (101), a top plate (103) and a vertical plate (102) which are arranged in parallel.

3. The hot upset mechanism for rotary potentiometers according to claim 1, characterized in that: The support frame (1) is provided with a guide module (5) used for limiting the hot riveting head (2).

4. The spin potentiometer swaging mechanism of claim 1, wherein: The second linear driving element (402) is vertically fixed on the support frame (1), the output end of the second linear driving element (402) is vertically fixed with a connecting rod (403), the top of the second linear driving element (402) is fixed with a fixed block (404), the fixed block (404) is slidably connected with the connecting rod (403), and the top end of the connecting rod (403) extends to the top of the fixed block (404) and is fixedly connected with the limiting baffle (401).

5. The spin potentiometer swaging mechanism of claim 1, wherein: The limiting baffle (401) is shaped according to the rubber-coated carbon sheets.

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