Paint dipping protection tool for framework coil

Abstract

The utility model relates to the technical field of electromagnetic coil manufacturing, and discloses a paint dipping protection tool of a framework coil, which comprises a framework body, a length adjusting mechanism is arranged on the inner side of the framework body, connecting mechanisms are arranged on two sides of the length adjusting mechanism, and a sealing locking mechanism is arranged on one side of each connecting mechanism. The length adjusting mechanism comprises a mounting rod, a lead screw is fixed to the surface of the mounting rod, and the surface of the lead screw is in threaded connection with a sleeve; the sealing locking mechanism comprises an adjusting rod, a sliding sleeve is slidably connected to the surface of the adjusting rod, a movable plate is fixed to the surface of the sliding sleeve, a plurality of extrusion springs are fixed to the surface of the movable plate, a pressing plate is fixed to the surfaces of the extrusion springs, the pressing plate is slidably connected with the surface of the adjusting rod, and a silica gel sealing gasket is fixed to the surface of the pressing plate. According to the paint dipping protection tool for the skeleton coil, the adaptability of the tool to skeletons with different lengths can be improved, and the downtime of a production line caused by frequent tool replacement is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic coil manufacturing, in particular to a dipped paint protection frock of skeleton coil. BACKGROUND

[0002] The coil skeleton is an important component of electromagnetic coil manufacturing, mainly used for fixing and supporting the wire, while providing insulation and mechanical protection, and the dipped paint is a key process in coil manufacturing, the purpose is to enhance the insulation, moisture resistance and mechanical strength of the coil through dipping insulating paint.

[0003] The utility model discloses a kind of dipped paint protection frock of large skeleton coil, including sealing base, double-end screw rod and sealing head, the sealing base is equipped with coil skeleton between sealing head, coil skeleton both ends are connected sealing base and sealing head via sealing element, the sealing base and sealing head are connected and fixed between sealing base and sealing head via double-end screw rod.It has the characteristics of simple structure, convenient operation, armature motion pair inside skeleton, varnish is left in skeleton inside after dipping paint and is not easy to clean, if it is not removed, it will cause armature to be not flexible in motion.The varnish cannot enter the inside of skeleton after the utility model large skeleton coil is dipped paint, i.e.

[0004] However, the prior art scheme still has the following deficiencies: the device can only adapt to coil skeletons of specific length and diameter, and cannot be adjusted according to skeletons of different lengths and diameters, resulting in poor adaptability of the device, and the need for separate design of frock for skeletons of different sizes, increasing mold development, processing and management costs. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of dipped paint protection frock of skeleton coil to solve the problems raised in the above background.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a kind of dipped paint protection frock of skeleton coil, including skeleton body, the length adjusting mechanism is arranged in the inside of the skeleton body, the length adjusting mechanism both sides are provided with connecting mechanism, the connecting mechanism one side is provided with sealing locking mechanism;

[0007] The length adjusting mechanism includes mounting rod, the surface of the mounting rod is fixed with screw rod, the surface of the screw rod is connected with sleeve by screw thread;

[0008] The sealing locking mechanism comprises an adjusting rod, a sliding sleeve is in surface sliding connection with the adjusting rod, a movable plate is fixed on the surface of the sliding sleeve, a plurality of extrusion springs are fixed on the surface of the movable plate, a pressing plate is fixed on the surface of the extrusion springs, the pressing plate is in surface sliding connection with the adjusting rod, a silica gel sealing gasket is fixed on the surface of the pressing plate, and a positioning structure is arranged on the surface of the sliding sleeve.

[0009] The connecting mechanism comprises a mounting shell and a connecting ring, the mounting shell and the connecting ring are detachably connected, the mounting shell is fixedly connected with the surface of the sleeve, and the connecting ring is fixedly connected with the surface of the adjusting rod.

[0010] Preferably, the surface positioning structure of the sliding sleeve comprises a protective shell, the protective shell is fixed on the top of the sliding sleeve, a pin rod is slidingly penetrated on the surface of the protective shell, the pin rod is slidingly penetrated in the sliding sleeve, and a plurality of pin holes, in which the pin rod is arranged, are formed in the surface of the adjusting rod.

[0011] Preferably, a positioning spring is sleeved on the surface of the pin rod, the top of the positioning spring is fixedly connected with the top of the inner wall of the protective shell, a sliding block is fixed at the bottom of the positioning spring, and the surface of the sliding block is fixedly connected with the surface of the pin rod.

[0012] Preferably, four locking rods are fixed on the surface of the connecting ring, four L-shaped grooves, in which the locking rods are arranged, are formed in the surface of the mounting shell, a plurality of clamping springs are fixed on the surface of the connecting ring, a pressing plate is fixed on the surface of the clamping spring, and a positioning baffle, which is used in cooperation with the pressing plate, is fixed on the inner wall of the mounting shell.

[0013] Preferably, a plurality of trapezoidal grooves are formed in the surfaces of the sleeve and the mounting rod, trapezoidal blocks are in surface sliding connection with the trapezoidal grooves, an extension plate is fixed on the surface of the trapezoidal block, a plurality of universal balls are fixed on the surface of the extension plate, and the surfaces of the universal balls are in surface sliding connection with the inner wall of the framework body.

[0014] Preferably, a telescopic rod is fixed on the surface of the movable plate, and one end of the telescopic rod is fixedly connected with the surface of the pressing plate.

[0015] Preferably, a telescopic protective cover is fixed on the surface of the pressing plate, and one side surface of the telescopic protective cover is fixedly connected with the surface of the movable plate.

[0016] Compared with the prior art, the skeleton coil dip paint protection tool has the following beneficial effects:

[0017] First, the length adjusting mechanism realizes free expansion through the threaded cooperation of the screw rod and the sleeve, significantly improves the adaptation ability of the tool to different length skeletons, reduces the downtime of the production line caused by frequent tool replacement, is especially suitable for multi-variety and small-batch production scenes, and adopts the rotary lock design of the L-shaped groove and the locking rod, in combination with the radial pre-tightening force of the clamping spring, so that the installation steps are simplified and the connection stability is ensured, and the tool loosening caused by vibration or pressure fluctuation in the paint dipping process is avoided.

[0018] Second, the sealing locking mechanism is designed through the elastic deformation of the extrusion spring and the silica gel sealing pad, and is self-adaptive to skeletons with different end face shapes, effectively solves the problem of customizing the sealing structure caused by size deviation of traditional tools, the sliding of the sliding sleeve and the adjusting rod is combined with the mechanical locking of the pin rod, so that the pressing force is uniform and persistent, and the sealing failure in the paint dipping process is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a sectional three-dimensional structure schematic view of the utility model;

[0021] Figure 3 It is a split structure schematic view of the length adjusting mechanism in the utility model;

[0022] Figure 4 It is a structure schematic view of the connecting mechanism in the utility model;

[0023] Figure 5 It is a sectional structure schematic view of the sealing locking mechanism in the utility model;

[0024] Figure 6 It is a local sectional structure schematic view of the sealing locking mechanism in the utility model.

[0025] Wherein: 1, skeleton body; 2, length adjusting mechanism; 201, mounting rod; 202, screw rod; 203, sleeve; 204, trapezoidal block; 205, extension plate; 206, universal ball; 3, connecting mechanism; 301, mounting shell; 302, connecting ring; 303, L-shaped groove; 304, positioning baffle; 305, clamping spring; 306, pressing plate; 307, locking rod; 4, sealing locking mechanism; 401, adjusting rod; 402, sliding sleeve; 403, movable plate; 404, extrusion spring; 405, pressing plate; 406, silica gel sealing pad; 407, protective shell; 408, pin rod; 409, positioning spring; 410, sliding block; 411, pin hole; 412, telescopic rod; 413, telescopic protective cover; 5, lifting ring. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] The present application provides the following technical solutions:

[0028] Please refer to Figures 1-6 A kind of skeleton coil's dip paint protection frock, including skeleton body 1, length adjusting mechanism 2 is provided in the inside of skeleton body 1, length adjusting mechanism 2 both sides are provided with connecting mechanism 3, one side of connecting mechanism 3 is provided with sealing locking mechanism 4;

[0029] Length adjusting mechanism 2 includes mounting rod 201, the surface of mounting rod 201 is fixed with screw rod 202, the surface of screw rod 202 is threadedly connected with sleeve 203;

[0030] Sealing locking mechanism 4 includes adjusting rod 401, the surface of adjusting rod 401 is slidably connected with sliding sleeve 402, the surface of sliding sleeve 402 is fixed with movable plate 403, the surface of movable plate 403 is fixed with multiple extrusion springs 404, the surface of extrusion spring 404 is fixed with pressing plate 405, pressing plate 405 is slidably connected with the surface of adjusting rod 401, the surface of pressing plate 405 is fixed with silica gel sealing gasket 406, the surface of sliding sleeve 402 is provided with positioning structure, and one end adjusting rod 401 is fixed with lifting ring 5;

[0031] Connecting mechanism 3 includes mounting shell 301 and connecting ring 302, mounting shell 301 and connecting ring 302 are detachably connected, mounting shell 301 is fixedly connected with the surface of sleeve 203, and connecting ring 302 is fixedly connected with the surface of adjusting rod 401.

[0032] By the technical scheme, the length adjusting mechanism 2 is fixedly connected with the lead screw 202 through the mounting rod 201, and realizes the axial adjusting function through the threaded connection of the sleeve 203; the sleeve 203 threaded on the surface of the lead screw 202 can move axially by rotating, so that the overall length of the length adjusting mechanism 2 and the spacing of the connecting mechanism 3 are changed, different length coil skeletons are adapted, the frequency of tool replacement is reduced, the detachable design of the mounting shell 301 and the connecting ring 302 can realize quick assembly and disassembly, in the sealing locking mechanism 4, the sliding sleeve 402 drives the movable plate 403 to move, the movable plate 403 pushes the compression plate 405 to press the skeleton end face through the extrusion spring 404, the silica gel sealing gasket 406 is tightly attached to the skeleton end portion after being deformed under pressure, and can adapt to the shape difference of the skeleton end face, and the sealing reliability can be ensured through elastic compensation, an effective sealing barrier is formed, independent sealing rings do not need to be designed according to different skeleton end faces, when the sliding sleeve 402 moves to the target position, the positioning structure on the surface of the sliding sleeve 402 fixes the sliding sleeve 402, so that the compression force is stable, and the design of the lifting ring 5 is used for connecting with hoisting equipment, so that the skeleton body 1 can be lifted and dipped in paint.

[0033] The positioning structure on the surface of the sliding sleeve 402 comprises a protective shell 407 fixed on the top of the sliding sleeve 402, and a pin rod 408 slidingly penetrating through the protective shell 407 and the sliding sleeve 402, and a plurality of pin holes 411 into which the pin rod 408 is inserted are formed on the surface of the adjusting rod 401.

[0034] Through the technical scheme, the protective shell 407 moves with the sliding sleeve 402, the pin rod 408 can slide through the sliding sleeve 402 and be inserted into the pin hole 411 on the surface of the adjusting rod 401, the position of the sliding sleeve 402 is locked through mechanical limiting, and when the pin rod 408 is pulled upward to be separated from the pin hole 411, the locking can be released, so that the sliding sleeve 402 can slide freely.

[0035] A positioning spring 409 is sleeved on the surface of the pin rod 408, the top of the positioning spring 409 is fixedly connected with the inner wall top of the protective shell 407, a sliding block 410 is fixedly connected with the surface of the pin rod 408, and the surface of the sliding block 410 is fixedly connected with the surface of the pin rod 408.

[0036] Through the technical scheme, when the pin rod 408 is pulled upward, the positioning spring 409 is compressed to store energy; after being released, the restoring force of the spring pushes the pin rod 408 to reset and be inserted into the pin hole 411, so that automatic locking is formed, and the pin rod 408 is prevented from being separated from the pin hole 411 during the dipping process.

[0037] The connecting ring 302 is fixed with four locking rods 307 on the surface, the mounting shell 301 is provided with four L-shaped grooves 303 on the surface for matching the locking rods 307, the connecting ring 302 is fixed with a plurality of clamping springs 305 on the surface, the clamping springs 305 are fixed with a pressing plate 306 on the surface, and the mounting shell 301 is fixed with a positioning baffle 304 on the inner wall for matching the pressing plate 306.

[0038] Through the above technical scheme, the four locking rods 307 fixed on the surface of the connecting ring 302 are inserted into the L-shaped grooves 303 of the mounting shell 301, and after rotation, the mechanical locking is realized through the transverse section of the L-shaped groove 303, the clamping spring 305 pushes the pressing plate 306 to tightly abut against the positioning baffle 304 on the inner wall of the mounting shell 301, a radial clamping force is generated, and the connecting ring 302 and the mounting shell 301 are prevented from loosening, and the rotation and locking design of the L-shaped groove 303 and the locking rod 307 realizes the "one insertion and one rotation" quick assembly.

[0039] A plurality of trapezoidal grooves are formed on the surfaces of the sleeve 203 and the mounting rod 201, trapezoidal blocks 204 are slidably connected to the surfaces of the trapezoidal grooves, the trapezoidal blocks 204 are fixed with extension plates 205 on the surfaces, the extension plates 205 are fixed with a plurality of universal balls 206 on the surfaces, and the universal balls 206 are slidably connected to the inner wall of the skeleton body 1.

[0040] Through the above technical scheme, the trapezoidal grooves on the surfaces of the sleeve 203 and the mounting rod 201 are slidably matched with the trapezoidal blocks 204, so that the trapezoidal blocks 204 can be detachably connected with the trapezoidal grooves, and an operator can select extension plates 205 of different heights to connect the trapezoidal blocks 204 with the trapezoidal grooves, when the sleeve 203 moves, the universal balls 206 roll along the inner wall of the skeleton body 1, the frictional resistance is reduced, the inner wall of the skeleton body 1 can be supported at the same time, and further prevention of the skeleton body 1 from being greatly moved on the surface of the silica gel sealing gasket 406 during paint immersion or hoisting is realized.

[0041] The movable plate 403 is fixed with a telescopic rod 412 on the surface, and one end of the telescopic rod 412 is fixedly connected to the surface of the pressing plate 405.

[0042] Through the above technical scheme, the telescopic rod 412 is telescopic synchronously when the compression spring 404 is compressed or stretched, the movement direction of the pressing plate 405 is limited, and deviation is avoided.

[0043] The pressing plate 405 is fixed with a telescopic protective cover 413 on the surface, and one side surface of the telescopic protective cover 413 is fixedly connected to the surface of the movable plate 403.

[0044] Through the above technical scheme, the telescopic protective cover 413 is folded with the telescopic telescopic rod 412, and the telescopic telescopic rod 412 is completely wrapped, which isolates the external paint and impurities, and improves the durability.

[0045] The working principle is as follows: during operation, firstly, the sleeve 203 is rotated to adjust the distance between the mounting rod 201 and the sleeve 203, and the length of the skeleton is adapted; then, the extension plate 205 suitable for the inner diameter of the skeleton is selected and installed on the trapezoidal groove surface through the trapezoidal block 204, then the length adjusting mechanism 2 is placed into the skeleton body 1, then the two side mounting shells 301 and the connecting ring 302 are quickly fixed through the locking rod 307 and the L-shaped slot 303, the radial pre-tightening force is provided by the clamping spring 305 to prevent loosening, then the two side sleeves 402 are moved, the extrusion spring 404 pushes the pressing plate 405 and the silica gel sealing gasket 406 to press the end surface of the skeleton, then the pin rod 408 is inserted into the pin hole 411 to lock the position, then the lifting equipment is connected through the lifting ring 5, and the dipping of paint can be started, the silica gel sealing gasket 406 completely blocks the paint liquid from penetrating into the inner cavity of the skeleton, and the protection of the skeleton body 1 is completed.

[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective fixture for impregnating a bobbin coil, comprising a bobbin body (1), characterized in that: The inner side of the skeleton body (1) is provided with a length adjustment mechanism (2), and both sides of the length adjustment mechanism (2) are provided with a connecting mechanism (3). A sealing and locking mechanism (4) is provided on one side of the connecting mechanism (3). The length adjustment mechanism (2) includes a mounting rod (201), a lead screw (202) is fixed on the surface of the mounting rod (201), and a sleeve (203) is threaded onto the surface of the lead screw (202); The sealing and locking mechanism (4) includes an adjusting rod (401), a sliding sleeve (402) is slidably connected to the surface of the adjusting rod (401), a movable plate (403) is fixed to the surface of the sliding sleeve (402), a plurality of compression springs (404) are fixed to the surface of the movable plate (403), a pressing plate (405) is fixed to the surface of the compression springs (404), the pressing plate (405) is slidably connected to the surface of the adjusting rod (401), a silicone sealing gasket (406) is fixed to the surface of the pressing plate (405), and a positioning structure is provided on the surface of the sliding sleeve (402). The connecting mechanism (3) includes a mounting shell (301) and a connecting ring (302). The mounting shell (301) and the connecting ring (302) are detachably connected. The mounting shell (301) is fixedly connected to the surface of the sleeve (203), and the connecting ring (302) is fixedly connected to the surface of the adjusting rod (401).

2. The varnish-impregnating protective fixture for a bobbin coil according to claim 1, characterized in that: The positioning structure on the surface of the sliding sleeve (402) includes a protective shell (407), which is fixed to the top of the sliding sleeve (402). A pin (408) slides through the surface of the protective shell (407), and the pin (408) slides through the sliding sleeve (402). The surface of the adjusting rod (401) is provided with a plurality of pin holes (411) for inserting the mating pin (408).

3. The varnish-impregnating protective fixture for a bobbin coil according to claim 2, characterized in that: A positioning spring (409) is sleeved on the surface of the pin (408). The top of the positioning spring (409) is fixedly connected to the top of the inner wall of the protective shell (407). A sliding block (410) is fixed at the bottom of the positioning spring (409). The surface of the sliding block (410) is fixedly connected to the surface of the pin (408).

4. The varnish-impregnating protective fixture for a bobbin coil according to claim 1, characterized in that: The connecting ring (302) has four locking rods (307) fixed on its surface. The mounting shell (301) has four L-shaped grooves (303) for inserting the locking rods (307) on its surface. The connecting ring (302) has multiple clamping springs (305) fixed on its surface. The clamping springs (305) have pressure plates (306) fixed on their surfaces. The mounting shell (301) has a positioning baffle (304) fixed on its inner wall for use with the pressure plates (306).

5. The varnish-impregnating protective fixture for a bobbin coil according to claim 1, characterized in that: The sleeve (203) and the mounting rod (201) are provided with multiple trapezoidal grooves. A trapezoidal block (204) is slidably connected to the surface of the trapezoidal groove. An extension plate (205) is fixed to the surface of the trapezoidal block (204). Multiple universal balls (206) are fixed to the surface of the extension plate (205). The surface of the universal balls (206) is slidably connected to the inner wall of the skeleton body (1).

6. The varnish-impregnating protective fixture for a bobbin coil according to claim 1, characterized in that: A telescopic rod (412) is fixed to the surface of the movable plate (403), and one end of the telescopic rod (412) is fixedly connected to the surface of the pressing plate (405).

7. The varnish-impregnating protective fixture for a bobbin coil according to claim 1, characterized in that: The surface of the pressing plate (405) is fixed with a telescopic protective cover (413), and one side of the telescopic protective cover (413) is fixedly connected to the surface of the movable plate (403).

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