A circuit board disassembling tool for ignition exciter

Abstract

The application discloses a circuit board disassembling tool for ignition exciter, and belongs to the field of special part separating tools. The tool aims to solve the technical problem that when the circuit board of the ignition exciter is disassembled, the force point is close to the ignition tube with low mechanical strength, which easily leads to pressure loss or deformation of the ignition tube, deformation of the ignition exciter shell or displacement of internal components, and further influences the working stability and safety. The technical scheme comprises a support plate, a rack, a screw nut seat, a screw and a top plate. The support plate is arranged above a workbench to support the ignition exciter. The screw nut seat is arranged on the rack and above the support plate. The screw is threadedly connected in the screw nut seat and extends towards the support plate. The top plate is axially fixed at the lower end of the screw and can rotate around the screw. The support plate is provided with a clearance hole for the circuit board to pass through. The circuit board is controllably pushed out by the screw transmission, the disassembly process is uniform in stress, accurate in positioning and effective in protecting the integrity of the key components of the ignition exciter.

Description

Technical Field

[0001] This utility model relates to the field of tools for separating special parts, specifically to a circuit board disassembly fixture for an ignition actuator. Background Technology

[0002] Ignition actuators typically include a circuit board. When overhauling an ignition actuator, the circuit board needs to be removed. However, in most models of ignition actuators, the point of force applied when removing the circuit board is close to the ignition tube. Since the ignition tube is often made of a material with relatively low mechanical strength, improper force during disassembly can easily cause damage or deformation to the ignition tube. Improper disassembly may also cause deformation of the actuator housing or displacement of other internal components, thereby affecting the overall operational stability of the ignition actuator. This structural damage may further threaten flight safety, especially when the ignition actuator is used on an aircraft. Utility Model Content

[0003] The purpose of this utility model is to provide a disassembly fixture for the circuit board of an ignition actuator. Utilizing a structure including a support plate, frame, lead screw nut seat, lead screw, and top plate, the top plate can controllably eject the circuit board through lead screw transmission. This solves the technical problem in the prior art where, when disassembling the circuit board of an ignition actuator, the force point is close to the ignition tube with low mechanical strength, which can easily lead to damage or deformation of the ignition tube, deformation of the actuator housing, or displacement of internal components, thereby affecting operational stability and flight safety. The present invention offers the advantages of uniform force distribution during disassembly, safe and reliable operation, and effective protection of the integrity of key components of the ignition actuator.

[0004] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows: A circuit board disassembly tool for an ignition exciter, comprising, A support plate, which is mounted on a workbench, is used to support the ignition actuator; A frame on which a lead screw nut seat is mounted, the lead screw nut seat being located above the support plate; A lead screw, which is threaded into the lead screw nut seat and extends toward the support plate; A top plate, which is axially fixed to the lower end of the lead screw and can rotate around the circumference of the lead screw; The support plate is provided with clearance holes for the circuit board that is pushed out by the top plate to pass through.

[0005] Preferably, the lower end face of the top plate is adapted to the shape of the corresponding face of the circuit board.

[0006] Preferably, the lower end surface of the top plate is provided with a plurality of clearance grooves and / or positioning protrusions.

[0007] Preferably, the upper end of the lead screw is provided with a handwheel, which is used to transmit rotational power.

[0008] Preferably, the support plate is provided with a vertically extending baffle, which is located on one side of the clearance hole.

[0009] Preferably, the workbench is provided with a slide rail, and the support plate is slidably fitted on the slide rail; The extension direction of the slide rail is perpendicular to the plane where the baffle is located.

[0010] Preferably, the lower end of the lead screw is stepped and includes a connecting section, with shoulders at both ends of the connecting section. The top plate is slidably fitted on the outer periphery of the connecting section through a stepped hole. The stepped surfaces at both ends of the stepped hole engage with the shoulders of the lead screw, allowing the top plate to be axially fixed to the lower end of the lead screw while rotating around its circumference.

[0011] Preferably, the lead screw includes a lead screw body and a limiting bolt. The lower end of the lead screw body is provided with a shoulder, and the connecting section of the limiting bolt passes through the stepped hole and is coaxially connected to the lower end of the lead screw body.

[0012] Preferably, the frame is U-shaped, with its lower end fixed to the workbench, and the lead screw nut seat fixed on its cross arm.

[0013] Preferably, the workbench has an opening, the top plate is located above the opening, and the slide rails are located on both sides of the opening.

[0014] The beneficial effects of this utility model are: Improving the rationality of force application during circuit board disassembly: The push-out force mechanism composed of the frame, lead screw nut seat, lead screw, and top plate enables the top plate to apply downward force stably and controllably along the lead screw axis. Compared with the existing technology of directly prying or pulling from near the ignition tube, this structure effectively avoids pressure damage, cracks, or deformation caused by the force point being close to the ignition tube with low mechanical strength, and significantly improves the protection capability of key components of the ignition actuator during the disassembly process.

[0015] Improving the stability and reliability of disassembly operations: The support plate is used to support the ignition actuator and is provided with clearance holes to allow the circuit board to pass smoothly after being ejected; structurally, the rotation of the lead screw brings stable and controllable axial displacement, allowing the disassembly force to be applied gradually, which helps to prevent deformation of the ignition actuator housing or displacement of internal components; compared with the traditional manual prying method, the operation stability of this fixture is greatly improved, and the disassembly process is safe and reliable; the shape of the lower end face of the top plate is adapted to the corresponding surface of the circuit board, and clearance grooves and / or positioning protrusions can be provided to make the top plate fit and position the circuit board, avoiding relative slippage during ejection, thereby ensuring that the ejecting force is accurately applied to the predetermined area of ​​the circuit board, improving the accuracy and reliability of the ejection process, and reducing interference to surrounding components.

[0016] Through the above structural design, uniform force distribution, accurate tooling positioning, and reasonable force transmission path are achieved during the disassembly of the circuit board, thereby minimizing damage to the ignition tube, housing, and internal precision components of the ignition exciter. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application 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 examples or embodiments of this application. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort, and this application can be applied to other similar scenarios based on the provided drawings. Unless obvious from the linguistic context or otherwise stated, the same reference numerals in the drawings represent the same structure or operation.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the top plate structure in this utility model; Figure 3 This is a schematic diagram of the assembly between the lead screw and the top plate in this utility model.

[0019] Among them, 1-support plate, 2-workbench, 3-frame, 4-screw nut seat, 5-screw, 6-top plate, 7-displacement hole, 8-displacement groove, 9-handwheel, 10-baffle, 11-slide rail, 12-connecting section, 13-step hole, 14-limiting bolt, 15-opening. Detailed Implementation

[0020] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the relevant application and are not intended to limit the application. The described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort are within the scope of protection of the present application.

[0021] Example 1

[0022] See Figure 1 and Figure 2 This embodiment describes the basic technical solution that can achieve the purpose of this utility model.

[0023] A circuit board disassembly fixture for an ignition exciter includes a worktable 2, a support plate 1, a frame 3, a lead screw 5, and a top plate 6.

[0024] The workbench 2 is the operating table surface, which can be the table surface of an operating table or a specially set workbench surface. The workbench surface can be placed on the ground, an operating table, or other places. Preferably, an opening 15 is provided on the workbench 2. The opening 15 is located below the top plate 6 so that the circuit board after being pushed out can be moved out through the opening 15 or fall to the receiving surface below, improving the convenience of picking up and putting down.

[0025] Among them, the support plate 1 is mounted on the workbench 2. The function of the support plate 1 is to support the ignition exciter, specifically the housing of the ignition exciter.

[0026] The frame 3 is equipped with a lead screw nut seat 4. The frame 3 can be installed on the workbench 2 or in other places, so that the lead screw nut seat 4 is located above the support plate 1. For example, the frame 3 is Γ-shaped, its lower end is fixed on the workbench 2, and the lead screw nut seat 4 is fixed on its cross arm. The lead screw nut is fixed inside the lead screw nut seat 4.

[0027] The lead screw 5 is threaded into the lead screw nut in the lead screw nut seat 4 and extends toward the support plate 1. The lead screw 5 can reciprocate in the direction pointing toward the support plate 1 by its own rotation. In order to facilitate operation, a handwheel 9 is provided at the upper end of the lead screw 5. The handwheel 9 is used to transmit the torque manually applied by the operator to realize manual control. In addition, an electric mechanism can be set to control the rotation of the lead screw 5, thereby raising and lowering the lead screw 5.

[0028] The top plate 6 is axially fixed to the lower end of the lead screw 5, which can rotate around the circumference of the lead screw 5. The lower end surface of the lead screw 5 is the contact surface for abutting the circuit board. Preferably, the lower end surface of the top plate 6 is adapted to the shape of the corresponding surface of the circuit board, so that the ejection force on the circuit board is more uniform. Specifically, several clearance grooves 8 and / or positioning protrusions can be opened on the lower end surface of the top plate 6, so that the lower end surface of the top plate 6 is adapted to the shape of the corresponding surface of the circuit board. The material of the top plate 6 can be selected from hard aluminum or stainless steel to ensure rigidity and wear resistance.

[0029] The support plate 1 is provided with a clearance hole 7. The lead screw 5 drives the top plate 6 to move downward, thereby causing the circuit board to move relative to the ignition exciter. The purpose of setting the clearance hole 7 is to allow the circuit board pushed out by the top plate 6 to pass through the clearance hole 7 onto the worktable 2.

[0030] The lead screw nut in lead screw 5 and lead screw nut seat 4 can be a ball screw nut pair.

[0031] Example 2 Based on the above embodiments, in order to facilitate the positioning of the ignition exciter and align the top plate 6 with the circuit board, the following improvements are made to this embodiment.

[0032] The support plate 1 is provided with a vertically extending baffle 10, which is located on one side of the clearance hole 7. The baffle 10 can be fixed to the support plate 1 by welding or bolts to limit the displacement of the ignition actuator.

[0033] The workbench 2 is provided with a slide rail 11, and the support plate 1 is slidably fitted on the slide rail 11; wherein, the extension direction of the slide rail 11 is perpendicular to the plane where the baffle 10 is located, so that the support plate 1 can move along the slide rail 11, thereby adjusting the relative position of the clearance hole 7 and the opening 15 of the workbench 2 to accommodate ignition exciters of different sizes; preferably, the slide rail 11 is located on both sides of the opening 15 of the workbench 2.

[0034] Example 3 Based on the above embodiments, this embodiment describes the specific structure of the top plate 6 being axially fixed to the lower end of the lead screw 5 so that it can rotate around the lead screw 5 in a circumferential manner.

[0035] The lower end of the lead screw 5 is stepped and includes a connecting section 12. Both ends of the connecting section 12 are provided with shoulders to form a stepped stop structure. The top plate 6 is provided with a stepped hole 13 that mates with the connecting section 12. The stepped hole 13 is slidably fitted on the outer periphery of the connecting section 12. The stepped surface of the stepped hole 13 mates with the shoulders of the lead screw 5, so that the top plate 6 is axially limited and can rotate around the circumference of the lead screw 5, thereby achieving a rotatable and axially fixed mating relationship.

[0036] One specific setting method is as follows: the lead screw 5 includes a lead screw body and a limiting bolt 14. The lower end of the lead screw body is provided with a shoulder. The connecting section 12 of the limiting bolt 14 passes through the stepped hole 13 and is coaxially connected to the lower end of the lead screw body. The bolt head of the limiting bolt 14 forms another shoulder. By tightening the limiting bolt 14, the top plate 6 is clamped between the two shoulders, thereby achieving axial fixation and allowing circumferential rotation.

[0037] In the description of the embodiments of this application, unless otherwise stated, "、" means "or". For example, A and B can mean A or B. "And" and "or" in this article are merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and or B can mean: A exists alone, A and B exist simultaneously, and B exists alone.

[0038] It should be noted that, for ease of description, only the parts relevant to the application are shown in the accompanying drawings; unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0039] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed, and is not intended to limit this application. For those skilled in the art, this application can have various modifications and variations; the scope of this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described application concept; for example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A circuit board disassembly fixture for an ignition actuator, characterized in that: include, Support plate (1), which is mounted on the workbench (2) and is used to support the ignition exciter; A frame (3) is provided, on which a lead screw nut seat (4) is mounted, the lead screw nut seat (4) being located above the support plate (1); A lead screw (5) is threaded into the lead screw nut seat (4) and extends toward the support plate (1); Top plate (6), which is axially fixed to the lower end of the lead screw (5) in a manner that allows rotation around the circumference of the lead screw (5); The support plate (1) is provided with a clearance hole (7) for the circuit board pushed out by the top plate (6) to pass through.

2. The circuit board disassembly fixture for the ignition exciter as described in claim 1, characterized in that: The lower end face of the top plate (6) is adapted to the shape of the corresponding face of the circuit board.

3. The circuit board disassembly fixture for the ignition exciter as described in claim 2, characterized in that: The lower end surface of the top plate (6) is provided with several clearance grooves (8) and / or positioning protrusions.

4. The circuit board disassembly fixture for the ignition exciter as described in claim 1, characterized in that: The upper end of the lead screw (5) is provided with a handwheel (9), which is used to transmit rotational power.

5. The circuit board disassembly fixture for the ignition exciter as described in claim 1, characterized in that: The support plate (1) is provided with a vertically extending baffle (10), which is located on one side of the clearance hole (7).

6. The circuit board disassembly fixture for the ignition exciter as described in claim 5, characterized in that: The workbench (2) is provided with a slide rail (11), and the support plate (1) is slidably fitted on the slide rail (11); The extension direction of the slide rail (11) is perpendicular to the plane where the baffle (10) is located.

7. The circuit board disassembly fixture for the ignition exciter as described in claim 1, characterized in that: The lower end of the lead screw (5) is stepped and includes a connecting section (12), with shoulders at both ends of the connecting section (12). The top plate (6) is slidably fitted on the outer periphery of the connecting section (12) through its stepped hole (13). The stepped surfaces at both ends of the stepped hole (13) are fitted with the shoulders of the lead screw (5), so that the top plate can be axially fixed to the lower end of the lead screw (5) in a circumferential rotational manner around the lead screw (5).

8. The circuit board disassembly fixture for the ignition exciter as described in claim 7, characterized in that: The lead screw (5) includes a lead screw body and a limiting bolt (14). The lower end of the lead screw body is provided with a shoulder. The connecting section (12) of the limiting bolt (14) passes through the stepped hole (13) and is coaxially connected to the lower end of the lead screw body.

9. The circuit board disassembly fixture for the ignition exciter as described in claim 1, characterized in that: The frame (3) is Γ-shaped, with its lower end fixed on the workbench (2), and the screw nut seat (4) is fixed on its cross arm.

10. The circuit board disassembly fixture for the ignition actuator as described in claim 6, characterized in that: The workbench (2) has an opening (15), the top plate (6) is located above the opening (15), and the slide rail (11) is located on both sides of the opening (15).

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