Device for testing bending resistance of enameled round copper wire

Abstract

The utility model belongs to the technical field of testing devices, and particularly relates to an enameled round copper wire bending resistance testing device which comprises a seat body, a fixed clamping sleeve is fixedly connected to the upper end of the seat body, an air cylinder is fixedly installed on the right side of the upper end of the seat body, and a movable clamping sleeve is fixedly connected to the tail end of a piston rod of the air cylinder. And the movable clamping sleeve is slidably connected to the upper end of the base body, a support is fixedly connected to the left side of the upper end of the base body, and a motor is fixedly installed at the top of the support. The lubricating mechanism is arranged in the pressing seat, when the motor drives the pressing seat to ascend and descend on the threaded shaft, the lifting pin in the lubricating mechanism presses the pressing plate downwards under the counter-acting force of the ejector rod, and then the sponge block is extruded, so that lubricating oil stored in the sponge block is released, and the threaded joint between the threaded shaft and the pressing seat is lubricated; therefore, the device is suitable for continuous testing.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a kind of enameled copper round wire bending resistance testing device. BACKGROUND

[0002] Enameled wire is a main variety of winding wire, which is composed of a conductor and an insulating layer. After annealing and softening, the bare wire is coated with paint several times and baked. Before the enameled wire is shipped, a series of performance tests need to be carried out, and the bending resistance test is one of the more important tests.

[0003] The utility model with publication number CN219417079U discloses an enameled copper round wire bending resistance testing equipment, which includes a seat body. An extrusion groove is formed on the end face of the seat body. An extrusion block is slidably connected to the seat body. The sliding direction of the extrusion block is towards or away from the extrusion groove. When the enameled wire is placed on the end face of the seat body and the enameled wire is above the extrusion groove, the extrusion block slides towards the extrusion groove, driving the enameled wire to bend towards the inner wall of the extrusion groove. The setting of the extrusion block in the patent realizes the detection of the bending resistance of the enameled wire before it is shipped, improving the quality of the enameled wire shipped. The setting of the first motor and the first lead screw enables the first motor to accurately control the sliding distance of the extrusion block on the first lead screw axis, thereby improving the sliding accuracy of the extrusion block. The setting of the elastic sleeve converts part of the pressure of the elastic sleeve on the enameled wire into elastic force, thereby reducing the pressure of the elastic sleeve on the enameled wire, preventing the enameled wire from deforming under stress, and improving the quality of the enameled wire.

[0004] However, in the prior art, the pressure of the elastic block on the enameled wire is in a single vertical direction, and the test data is not accurate enough. Moreover, the repeated rotation between the extrusion block for lifting the elastic block and the lead screw shaft causes certain wear, making the device unsuitable for continuous testing. Therefore, improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an enameled copper round wire bending resistance testing device, which solves the problem of the prior art that the pressure of the elastic block on the enameled wire is in a single vertical direction, and the test data is not accurate enough. At the same time, the repeated rotation between the extrusion block for lifting the elastic block and the lead screw shaft causes certain wear, making the device unsuitable for continuous testing.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of enameled copper round wire bending resistance testing device, including seat body, the upper end of the seat body is fixedly connected with fixed clamp cover, the upper end right side of the seat body is fixedly installed with pneumatic cylinder, the piston rod end of the pneumatic cylinder is fixedly connected with movable clamp cover, and movable clamp cover is slidably connected to the upper end of seat body, the upper end left side of the seat body is fixedly connected with support, the top of the support is fixedly installed with motor, the output shaft of the motor penetrates support and is connected with support by bearing, the end of the output shaft is fixedly connected with threaded shaft, the outer side of the shaft body of the threaded shaft is connected with pressure seat by screw thread, and pressure seat is slidably connected with support, the inside of the pressure seat is provided with lubricating mechanism and adjustable pressing mechanism.

[0007] Preferably, the bottom of the movable clamp cover is fixedly connected with a guide block, which is slidably connected with the seat body. The guide block is provided to guide the lateral movement of the movable clamp cover.

[0008] Preferably, the lubricating mechanism includes a sponge block and a pressing plate slidably connected inside the pressure seat, and the sponge block and the pressing plate are in contact with each other. The upper end of the pressing plate is fixedly connected with a top pin, the top pin penetrates the pressure seat and is slidably connected with the pressure seat, the outer side of the pin body of the top pin is sleeved with a spring, the side edge of the pressing plate is provided with a ball, the ball is slidably connected with the inner surface of the pressure seat, the inside of the pressure seat is provided with an oil outlet hole, the support is fixedly connected with a top rod, and the top rod corresponds to the position of the top pin. The lubricating mechanism is provided to automatically lubricate between the pressure seat and the threaded shaft.

[0009] Preferably, one end of the spring is fixedly connected with the pressing plate, and the other end of the spring is fixedly connected to the inner surface of the pressure seat. The spring is provided to apply a reaction force to the pressing plate.

[0010] Preferably, the adjustable pressing mechanism includes a rotating shaft installed inside the pressure seat by a bearing, one end of the rotating shaft is fixedly connected with an elastic block, the other end of the rotating shaft is fixedly connected with a rotating disc, the upper end of the rotating disc is fixedly connected with a rotating rod, the inside of the pressure seat is slidably connected with a locking pin, one end of the locking pin is inserted with the rotating shaft, the other end of the locking pin is fixedly connected with a pull ring, the middle segment of the pin body of the locking pin is fixedly connected with a blocking ring, the blocking ring is slidably connected inside the pressure seat, and the outer side of the pin body of the locking pin is sleeved with a spring. The adjustable pressing mechanism is provided to increase the bending angle of the enameled wire and increase the accuracy of the test results.

[0011] Preferably, one end of the spring is fixedly connected with the blocking ring, and the other end of the spring is fixedly connected to the inner surface of the pressure seat. The spring is provided to apply a spring force to the locking pin through the blocking ring.

[0012] Compared with the prior art, the utility model have the advantages that:

[0013] 1、The utility model discloses a lubricating mechanism is set up in the pressure seat, when the motor drives the pressure seat to go up and down on the threaded shaft, the ejector pin in the lubricating mechanism is pressed down the pressing plate by the reaction force of the jacking rod, and then extrudes the sponge block, so that the lubricating oil stored in the sponge block is released, and the threaded joint between the threaded shaft and the pressure seat is lubricated, thereby reducing the wear between the two, so that the device is suitable for continuous testing.

[0014] 2、The utility model discloses an adjustable type pressing mechanism is set up in the pressure seat, wherein the elastic block at the bottom of the rotating shaft can be rotated horizontally to the enameled wire after pressing the enameled wire through the rotating disc, and then the bending angle of the enameled wire can be increased by the vertical pressing force received, and the accuracy of the test result is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 2 It is the front view sectional view of the utility model; Figure 1

[0017] Figure 3 It is the A department structure enlarged view of the utility model; Figure 2

[0018] Figure 4 It is the local structure perspective drawing of the utility model; Figure 1

[0019] In the drawing: 1, the seat body;2, the fixed clamp cover;3, the air cylinder;4, the movable clamp cover;5, the guide block;6, the support;7, the motor;8, the threaded shaft;9, the pressure seat;10, the jacking rod;11, the lubricating mechanism;111, the sponge block;112, the pressing plate;113, the ejector pin;114, the spring one;115, the ball;116, the oil outlet hole;12, the adjustable type pressing mechanism;121, the rotating shaft;122, the elastic block;123, the rotating disc;124, the rotating lever;125, the locking pin;126, the pull ring;127, the blocking ring;128, the spring two. DETAILED DESCRIPTION

[0020] 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 obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model. ​​​

[0021] Please refer to Figures 1-4 The utility model provides an enameled copper round wire bending resistance testing device, including the base body 1, the upper end fixedly connected with fixed sleeve 2 of base body 1, the upper end right side fixed mounting of base body 1 has the pneumatic cylinder 3, the piston rod end fixedly connected with movable sleeve 4 of pneumatic cylinder 3, and movable sleeve 4 is slidably connected in the upper end of base body 1, the bottom fixedly connected with guide block 5 of movable sleeve 4, and guide block 5 is slidably connected with base body 1. Through the setting of guide block 5, movable sleeve 4 has the guiding effect for the transverse movement, the upper end left side fixedly connected with bracket 6 of base body 1, the top fixed mounting of bracket 6 has motor 7, and the output shaft of motor 7 penetrates bracket 6 and is connected with bracket 6 through bearing, and the output shaft's end fixedly connected with threaded shaft 8, and the outer side of the axle body of threaded shaft 8 is connected with pressure seat 9 through screw, and pressure seat 9 is slidably connected with bracket 6.

[0022] Please refer to Figures 2-3 The inside of pressure seat 9 is provided with lubricating mechanism 11 and adjustable pressing mechanism 12, and the lubricating mechanism 11 includes sponge block 111 and pressing plate 112 slidably connected in the inside of pressure seat 9, and the sponge block 111 and the pressing plate 112 are in contact with each other, the upper end of the pressing plate 112 is fixedly connected with the top pin 113, the top pin 113 penetrates the pressure seat 9 and is slidably connected with the pressure seat 9, the outer side of the pin body of the top pin 113 is sleeved with spring one 114, one end of the spring one 114 is fixedly connected with the pressing plate 112, and the other end of the spring one 114 is fixedly connected to the inner surface of the pressure seat 9. Through the setting of spring one 114, the reaction force can be applied at the pressing plate 112, the side of the pressing plate 112 is provided with the ball 115, the ball 115 is slidably connected with the inner surface of the pressure seat 9, the inside of the pressure seat 9 is provided with the oil outlet hole 116, the bracket 6 is fixedly connected with the top rod 10, and the top rod 10 corresponds to the position of the top pin 113. Through the setting of the lubricating mechanism 11, the pressure seat 9 and the threaded shaft 8 have the automatic lubrication effect.

[0023] Please refer to Figure 3The adjustable down-pressing mechanism 12 comprises a rotating shaft 121 mounted in the inside of the pressure seat 9 through a bearing, one end of the rotating shaft 121 is fixedly connected with an elastic block 122, the other end of the rotating shaft 121 is fixedly connected with a rotating disc 123, the upper end of the rotating disc 123 is fixedly connected with a rotating rod 124, the inside of the pressure seat 9 is slidably connected with a locking pin 125, one end of the locking pin 125 is inserted with the rotating shaft 121, the other end of the locking pin 125 is fixedly connected with a pull ring 126, the middle segment of the pin body of the locking pin 125 is fixedly connected with a blocking ring 127, the blocking ring 127 is slidably connected in the inside of the pressure seat 9, the pin body of the locking pin 125 is sleeved with a spring two 128. Through the setting of the adjustable down-pressing mechanism 12, the bending angle of the enameled wire can be increased, and the accuracy of the test result can be increased. One end of the spring two 128 is fixedly connected with the blocking ring 127, and the other end of the spring two 128 is fixedly connected to the inner surface of the pressure seat 9. Through the setting of the spring two 128, the elastic force can be applied to the locking pin 125 through the blocking ring 127.

[0024] The specific implementation process of the utility model is as follows: in use, first, the enameled copper round wire is transmitted from the side into the fixed clamp sleeve 2 and the movable clamp sleeve 4, then the movable clamp sleeve 4 is pushed by the cylinder 3, and then the enameled copper round wire can be clamped and fixed, then the threaded shaft 8 is rotated by the motor 7, and the pressure seat 9 moves downward in the axial direction of the threaded shaft 8, then the elastic block 122 on the pressure seat 9 presses the enameled copper round wire from above, then the rotating shaft 121 is rotated through the rotating rod 124 and the rotating disc 123, and then the elastic block 122 at the bottom of the rotating shaft 121 is rotated, so that the enameled wire can be horizontally rotated in the horizontal direction, then the bending angle of the enameled wire can be increased, and the accuracy of the test result can be increased by cooperating with the downward pressure in the vertical direction, and when the pressure seat 9 is reset upward, the top pin 113 in the lubricating mechanism 11 is pressed downward by the reaction force of the jacking rod 10, thereby extruding the sponge block 111, so that the lubricating oil stored in the sponge block 111 is released, and the threaded joint between the threaded shaft 8 and the pressure seat 9 is lubricated, thereby reducing the wear between the two, so that the device is suitable for continuous testing.

[0025] 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 these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for testing the bending resistance of an enameled copper round wire, comprising a seat (1), characterized in that: The upper end of the seat body (1) is fixedly connected with a fixed clamp sleeve (2), the upper end of the seat body (1) is fixedly installed with a cylinder (3) on the right side, the piston rod tail of the cylinder (3) is fixedly connected with a movable clamp sleeve (4), and the movable clamp sleeve (4) is slidably connected to the upper end of the seat body (1), the upper end of the seat body (1) is fixedly connected with a support (6) on the left side, the top of the support (6) is fixedly installed with a motor (7), the output shaft of the motor (7) penetrates through the support (6) and is connected with the support (6) through a bearing, the tail end of the output shaft is fixedly connected with a threaded shaft (8), the outer side of the shaft body of the threaded shaft (8) is threadedly connected with a pressing seat (9), and the pressing seat (9) is slidably connected with the support (6), the inside of the pressing seat (9) is provided with a lubricating mechanism (11) and an adjustable pressing mechanism (12).

2. The bending resistance testing device for enameled copper round wire according to claim 1, characterized in that: The bottom of the movable clamp sleeve (4) is fixedly connected with a guide block (5), and the guide block (5) is slidably connected with the seat body (1).

3. The bending resistance testing device for enameled copper round wire according to claim 1, characterized in that: The lubricating mechanism (11) comprises a sponge block (111) and a pressing plate (112) slidably connected in the inside of the pressing seat (9), and the sponge block (111) and the pressing plate (112) are in contact with each other, the upper end of the pressing plate (112) is fixedly connected with a top pin (113), the top pin (113) penetrates through the pressing seat (9) and is slidably connected with the pressing seat (9), the outer side of the pin body of the top pin (113) is sleeved with a spring (114), the side edge of the pressing plate (112) is provided with a ball (115), the ball (115) is slidably connected with the inner surface of the pressing seat (9), the inside of the pressing seat (9) is provided with an oil outlet hole (116), the support (6) is fixedly connected with a top rod (10), and the position of the top rod (10) corresponds to that of the top pin (113).

4. The bending resistance testing device for enameled copper round wire according to claim 3, characterized in that: One end of the spring (114) is fixedly connected with the pressing plate (112), and the other end of the spring (114) is fixedly connected with the inner surface of the pressing seat (9).

5. The bending resistance testing device for enameled copper round wire according to claim 1, characterized in that: The adjustable pressing mechanism (12) comprises a rotating shaft (121) installed in the inside of the pressing seat (9) through a bearing, one end of the rotating shaft (121) is fixedly connected with an elastic block (122), the other end of the rotating shaft (121) is fixedly connected with a rotating disc (123), the upper end of the rotating disc (123) is fixedly connected with a rotating rod (124), the inside of the pressing seat (9) is slidably connected with a locking pin (125), one end of the locking pin (125) is inserted into the rotating shaft (121), the other end of the locking pin (125) is fixedly connected with a pull ring (126), the middle segment of the pin body of the locking pin (125) is fixedly connected with a blocking ring (127), the blocking ring (127) is slidably connected in the inside of the pressing seat (9), and the outer side of the pin body of the locking pin (125) is sleeved with a spring (128).

6. The bending resistance testing device for enameled copper round wire according to claim 5, characterized in that: One end of the spring (128) is fixedly connected with the blocking ring (127), and the other end of the spring (128) is fixedly connected with the inner surface of the pressing seat (9).

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