Low-power-consumption electromagnetic pin puller

Abstract

The utility model relates to the technical field of pin pullers, and discloses a low-power-consumption electromagnetic pin puller which comprises a supporting frame and a pin pulling assembly, the supporting frame comprises a bottom plate and a fixing cylinder, the bottom of the fixing cylinder is fixedly connected with the top of the supporting frame, and the pin pulling assembly comprises a connecting plate, a plug pin end, an ejector rod and a connecting rod. The surface of the connecting plate is movably connected with the interior of the fixing cylinder, and the surface of the plug pin end is fixedly connected with the interior of the connecting plate. By arranging the supporting frame, the bottom plate, the fixing cylinder, the pin pulling assembly and other structural components, the pin pulling assembly is supported through the supporting frame, a pin rod in a workpiece is pulled out through the pin pulling assembly, the connecting rod is driven to rotate through the electromagnetic assembly, the bolt end is kept stable through the fixing assembly, and the ejector rod is driven to move downwards through the threaded sleeve; the effect of conveniently taking out the pin rod is achieved, and the problems that a worker needs to apply large force to pull out the pin shaft, and the operation process is tedious are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the pin puller technical field, especially, a kind of low-power electromagnetic pin puller. BACKGROUND

[0002] Pin puller is a kind of tool specially used for disassembling and installing pin shaft, by exerting pulling force or pushing force, pin shaft is pulled out or inserted from its installation position, so that the disassembly and installation of mechanical parts are realized, pin shaft is a kind of mechanical connecting element, usually used to connect two or more mechanical parts, so that it can rotate or move relatively.

[0003] The existing pin puller is disassembled to pin rod by manual mode, when pin rod is disassembled, device needs to be held and kept stable, after device is connected with pin rod, worker needs to exert greater force to pull out pin shaft, user is required to have certain physical strength and endurance, otherwise it can lead to operation difficulty or failure, and operation process is relatively cumbersome. UTILITY MODEL CONTENT

[0004] In view of the problems existing in the prior art, the utility model provides a kind of low-power electromagnetic pin puller that can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is realized as follows, a kind of low-power electromagnetic pin puller, including support frame and pin puller assembly, the support frame includes bottom plate and fixed cylinder, the bottom of fixed cylinder is fixedly connected with the top of support frame, the pin puller assembly includes connecting plate, latch end, top rod and connecting rod, the surface of connecting plate is movably connected with the inside of fixed cylinder, the surface of latch end is fixedly connected with the inside of connecting plate, the top rod is located in the top of latch end, the bottom of connecting rod is fixedly connected with the top of top rod, the inside of fixed cylinder is provided with electromagnetic assembly;

[0006] The support frame is used to support the pin puller assembly;

[0007] The pin puller assembly is used to pull out pin rod inside workpiece;

[0008] The electromagnetic assembly is used to drive connecting rod to rotate.

[0009] In order to make the inside connection of latch end and pin rod stable, preferably, the surface of latch end is fixedly connected with a plurality of convex points, the surface of connecting rod is slidably connected with a plurality of limiting rods, the left and right sides of the top of bottom plate are provided with fixed assembly, the inside of latch end is inclined surface, latch end is deformed outward by extruding latch end with top rod, latch end extrudes pin rod inner wall with convex point, so that latch end and pin rod are fixed and stable.

[0010] In order to drive the connecting rod to rotate, preferably, the electromagnetic assembly comprises two fixed seats, an electromagnetic stator and a rotor, the surfaces of the two fixed seats are fixedly connected with the inside of the fixed cylinder, the surfaces of the electromagnetic stator are fixedly connected with the inside of the two fixed seats, the rotor is located in the inside of the electromagnetic stator, the surface of the connecting rod is movably connected with the inside of the rotor, the surfaces of the plurality of limiting rods are fixedly connected with the inside of the rotor, the electromagnetic stator is energized to drive the rotor to rotate, and the connecting rod is driven to rotate by the plurality of limiting rods in the rotating process of the rotor.

[0011] In order to keep the plug end stable, preferably, the left fixing assembly comprises a fixing spring, a support plate and a top plate, the left side of the fixing spring is fixedly connected with the left side of the inside of the bottom plate, the surface of the support plate is movably connected with the inside of the bottom plate, the left side of the support plate is fixedly connected with the right side of the fixing spring, and the bottom of the top plate is fixedly connected with the top of the support plate; the surfaces of the two sides of the connecting plate and the top plate are inclined surfaces; when the connecting plate extrudes the two top plates, the top plates can move to the left side; the upward movement of the connecting plate is limited by the top plates, so that the plug end is kept stable.

[0012] In order to make the top rod move downward, preferably, the top of the connecting plate is fixedly connected with a connecting cylinder, the surface of the connecting cylinder is movably connected with the inside of the fixed cylinder, the inside of the connecting cylinder is fixedly connected with a threaded sleeve, and the surface of the connecting rod is threadedly connected with the inside of the threaded sleeve; in the rotating process of the connecting rod, the connecting rod is rotated downward out of the threaded sleeve, and the connecting rod drives the top rod to move in the moving process of the connecting rod.

[0013] In order to facilitate the removal of the pin rod, preferably, the inside of the connecting rod is fixedly connected with a reset tension spring, the top of the reset tension spring is fixedly connected with the top of the inside of the fixed cylinder; the rotating number of the connecting rod is small, and the reset tension spring is not excessively affected in the rotating process; the connecting rod is moved upward by the rebound of the reset tension spring, and the pin rod is moved upward by the plug end in the moving process of the connecting rod.

[0014] In order to limit the movement direction of the support plate, preferably, the left side of the inside of the bottom plate is fixedly connected with two sliding rods, the surfaces of the two sliding rods are slidably connected with the inside of the support plate, and the movement direction of the support plate is limited by the two sliding rods to prevent the support plate from being deviated.

[0015] The utility model discloses a support frame, bottom plate, fixed cylinder and pull pin assembly and other structural parts are set up, and the pull pin assembly is supported through the support frame, the pin rod in the workpiece is pulled out through the pull pin assembly, the connecting rod is rotated through the electromagnetic assembly, the plug end is kept stable through the fixing assembly, and the top rod is moved downward through the threaded sleeve, which facilitates the removal of the pin rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1is a three-dimensional structure schematic diagram of a moving state of the pin pulling assembly provided by the embodiment of the utility model;

[0017] Figure 2 is a three-dimensional structure schematic diagram of the inside of the fixed cylinder provided by the embodiment of the utility model;

[0018] Figure 3 is a three-dimensional structure schematic diagram of the inside of the fixed cylinder provided by the embodiment of the utility model;

[0019] Figure 4 is a three-dimensional structure schematic diagram of the electromagnetic assembly provided by the embodiment of the utility model;

[0020] Figure 5 is a three-dimensional structure schematic diagram of the rotor provided by the embodiment of the utility model;

[0021] Figure 6 is a three-dimensional structure schematic diagram of the inside of the pin end provided by the embodiment of the utility model.

[0022] In the drawing: 1, support frame; 101, bottom plate; 102, fixed cylinder; 2, pin pulling assembly; 201, connecting plate; 202, pin end; 203, top rod; 204, connecting rod; 3, electromagnetic assembly; 301, fixed seat; 302, electromagnetic stator; 303, rotor; 4, convex point; 5, limiting rod; 6, fixing assembly; 601, fixed spring; 602, support plate; 603, top plate; 7, connecting cylinder; 8, threaded sleeve; 9, reset tension spring; 10, sliding rod. DETAILED DESCRIPTION

[0023] In order to further understand the invention content, characteristics and efficacy of the utility model, the following embodiments are exemplified, and are described in detail as follows in cooperation with the drawings.

[0024] The structure of the utility model is described in detail below in combination with the drawings.

[0025] As Figures 1 to 6As shown, the utility model embodiment provides a kind of low-power electromagnetic pin puller, including support frame 1 and pin puller component 2, support frame 1 includes bottom plate 101 and fixed cylinder 102, the bottom of fixed cylinder 102 is fixedly connected with the top of support frame 1, pin puller component 2 includes connecting plate 201, latch end 202, top rod 203 and connecting rod 204, the surface of connecting plate 201 is movably connected with the inside of fixed cylinder 102, the surface of latch end 202 is fixedly connected with the inside of connecting plate 201, top rod 203 is located at the top of latch end 202, the bottom of connecting rod 204 is fixedly connected with the top of top rod 203, the inside of fixed cylinder 102 is provided with electromagnetic assembly 3;Support frame 1 is used to support pin puller component 2;Pin puller component 2 is used to pull out the pin inside workpiece rod;The electromagnetic assembly 3 is used for driving the connecting rod 204 to rotate, in order to make the surface of the latch end 202 stably connected with the inner wall of the pin rod, a plurality of convex points 4 are fixedly connected to the surface of the latch end 202, a plurality of limiting rods 5 are slidingly connected to the surface of the connecting rod 204, the left and right sides of the top of the bottom plate 101 are provided with fixed assemblies 6, the inner part of the latch end 202 is an inclined surface, the latch end 202 is deformed outward by the pressing of the top rod 203, the latch end 202 is pressed against the inner wall of the pin rod through the convex points 4, so that the latch end 202 is stably fixed with the pin rod, in order to drive the connecting rod 204 to rotate, the electromagnetic assembly 3 comprises two fixed seats 301, an electromagnetic stator 302 and a rotor 303, the surfaces of the two fixed seats 301 are fixedly connected with the inner part of the fixed cylinder 102, the surfaces of the electromagnetic stator 302 are fixedly connected with the inner part of the two fixed seats 301, the rotor 303 is located in the inner part of the electromagnetic stator 302, the surface of the connecting rod 204 is movably connected with the inner part of the rotor 303, the surfaces of the plurality of limiting rods 5 are fixedly connected with the inner part of the rotor 303, the electromagnetic stator 302 is energized to drive the rotor 303 to rotate, the connecting rod 204 is driven to rotate by the plurality of limiting rods 5 in the rotating process of the rotor 303, in order to keep the latch end 202 stable, the left fixed assembly 6 comprises a fixed spring 601, a supporting plate 602 and a top plate 603, the left side of the fixed spring 601 is fixedly connected with the left side of the inner part of the bottom plate 101, the surface of the supporting plate 602 is movably connected with the inner part of the bottom plate 101, the left side of the supporting plate 602 is fixedly connected with the right side of the fixed spring 601, the bottom of the top plate 603 is fixedly connected with the top of the supporting plate 602, the left and right sides of the connecting plate 201 and the surface of the top plate 603 are inclined surfaces, the top plate 603 can move to the left when the connecting plate 201 presses the two top plates 603, the upward movement of the connecting plate 201 is limited by the top plate 603, so that the latch end 202 is kept stable, in order to make the top rod 203 move downward, the top of the connecting plate 201 is fixedly connected with a connecting cylinder 7, the surface of the connecting cylinder 7 is movably connected with the inner part of the fixed cylinder 102, the inner part of the connecting cylinder 7 is fixedly connected with a threaded sleeve 8, the inner part of the threaded sleeve 8 is threadedly connected with the surface of the connecting rod 204, the connecting rod 204 is rotated downward out of the threaded sleeve 8 in the rotating process of the connecting rod 204, the top rod 203 is driven to move in the moving process of the connecting rod 204, in order to facilitate the pin rod to be taken out, the inner part of the connecting rod 204 is fixedly connected with a reset tension spring 9, the top of the reset tension spring 9 is fixedly connected with the top of the inner part of the fixed cylinder 102, the rotating number of the connecting rod 204 is small, and the rotating process will not excessively affect the reset tension spring 9, the connecting rod 204 is driven to move upward by the rebound of the reset tension spring 9, the pin rod is driven to move upward by the latch end 202 in the moving process of the connecting rod 204, in order to limit the moving direction of the supporting plate 602, two slide rods 10 are fixedly connected with the left side of the inner part of the bottom plate 101, the surfaces of the two slide rods 10 are slidingly connected with the inner part of the supporting plate 602, the moving direction of the supporting plate 602 is limited by the two slide rods 10, so that the supporting plate 602 is prevented from being deviated.

[0026] When the pin rod is taken out, the support frame 1 is placed on the top of the workpiece, the pin end 202 is located at the top of the pin rod, the connecting plate 201 is moved downward, the connecting plate 201 is moved to the bottom of the top plate 603, the movement of the connecting plate 201 is limited by the top plate 603, the connecting plate 201 drives the pin end 202 to move to the inside of the pin rod during the movement of the connecting plate 201, the connecting rod 204 is driven to move downward by the connecting barrel 7 and the threaded sleeve 8 during the movement of the connecting plate 201, the reset tension spring 9 is deformed, the electromagnetic stator 302 is started, the electromagnetic stator 302 drives the rotor 303 to rotate, the connecting rod 204 is rotated by the limiting rod 5 during the rotation of the rotor 303, the connecting rod 204 is rotated outwards from the inside of the threaded sleeve 8 during the rotation of the connecting rod 204, the top rod 203 is driven to move by the connecting rod 204 during the movement of the connecting rod 204, the top rod 203 extrudes the inside of the pin end 202, the top rod 203 extrudes the pin end 202, the pin end 202 is deformed outwardly, the convex point 4 extrudes the inside of the pin rod, the pin end 202 is fixed and stable with the pin rod, the support plate 602 is moved to the left, the top plate 603 is separated from the connecting plate 201, the reset tension spring 9 rebounds, and the pin end 202 is moved upwards, so that the pin rod is taken out.

[0027] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] The above only describes preferred embodiments of the present application and is not intended to limit the present application in any form. Although the present application has been disclosed as above with reference to the preferred embodiments, it is not intended to limit the present application, and any person skilled in the art can make modifications without departing from the technical solution of the present application.

Claims

1. A low power electromagnetic pin extractor comprising a support frame (1) and a pin extractor assembly (2), characterized in that: The support frame (1) comprises a bottom plate (101) and a fixing cylinder (102), the bottom of the fixing cylinder (102) is fixedly connected with the top of the support frame (1), the pin pulling assembly (2) comprises a connecting plate (201), a pin end (202), a top rod (203) and a connecting rod (204), the surface of the connecting plate (201) is movably connected with the inside of the fixing cylinder (102), the surface of the pin end (202) is fixedly connected with the inside of the connecting plate (201), the top rod (203) is located at the top of the pin end (202), the bottom of the connecting rod (204) is fixedly connected with the top of the top rod (203), and the inside of the fixing cylinder (102) is provided with an electromagnetic assembly (3). The support frame (1) is used for supporting the pin pulling assembly (2). The pin pulling assembly (2) is used for pulling out the pin rod in the workpiece. The electromagnetic assembly (3) is used for driving the connecting rod (204) to rotate.

2. A low power electromagnetic pin extractor as claimed in claim 1, wherein: The surface of the pin end (202) is fixedly connected with a plurality of convex points (4), the surface of the connecting rod (204) is slidably connected with a plurality of limiting rods (5), and the left and right sides of the top of the bottom plate (101) are provided with fixing assemblies (6).

3. A low power electromagnetic pin extractor as claimed in claim 2, wherein: The electromagnetic assembly (3) comprises two fixed seats (301), an electromagnetic stator (302) and a rotor (303), the surfaces of the two fixed seats (301) are fixedly connected with the inside of the fixing cylinder (102), the surfaces of the electromagnetic stators (302) are fixedly connected with the insides of the two fixed seats (301), the rotor (303) is located in the inside of the electromagnetic stator (302), the surface of the connecting rod (204) is movably connected with the inside of the rotor (303), and the surfaces of the plurality of limiting rods (5) are fixedly connected with the inside of the rotor (303).

4. A low power electromagnetic pin extractor as claimed in claim 2, wherein: The left fixing assembly (6) comprises a fixed spring (601), a supporting plate (602) and a top plate (603), the left side of the fixed spring (601) is fixedly connected with the left side in the inside of the bottom plate (101), the surface of the supporting plate (602) is movably connected with the inside of the bottom plate (101), the left side of the supporting plate (602) is fixedly connected with the right side of the fixed spring (601), and the bottom of the top plate (603) is fixedly connected with the top of the supporting plate (602).

5. A low power electromagnetic pin extractor as claimed in claim 3, wherein: The top of the connecting plate (201) is fixedly connected with a connecting cylinder (7), the surface of the connecting cylinder (7) is movably connected with the inside of the fixing cylinder (102), the inside of the connecting cylinder (7) is fixedly connected with a threaded sleeve (8), and the inside of the threaded sleeve (8) is threadedly connected with the surface of the connecting rod (204).

6. A low power electromagnetic pin extractor as claimed in claim 1, wherein: The inside of the connecting rod (204) is fixedly connected with a reset tension spring (9), and the top of the reset tension spring (9) is fixedly connected with the top in the inside of the fixing cylinder (102).

7. A low power electromagnetic pin extractor as claimed in claim 4, wherein: The left side in the inside of the bottom plate (101) is fixedly connected with two sliding rods (10), and the surfaces of the two sliding rods (10) are slidably connected with the inside of the supporting plate (602).

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