CN212110934U

CN212110934U - Enameled wire softness tester

Info

Publication number: CN212110934U
Application number: CN202020711072.8U
Authority: CN
Inventors: 杨思伟; 徐俊; 戚欢; 谢正好
Original assignee: Tongling Jingda Rea Special Enameled Wire Co ltd
Current assignee: Tongling Jingda Rea Special Enameled Wire Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-08
Anticipated expiration: 2030-04-30

Abstract

The utility model provides an enameled wire softness tester, belongs to enameled wire softness test technical field, this enameled wire softness tester, including the frame and the winding subassembly that sets up on it, the clamping subassembly, tray and the actuating mechanism that the drive tray reciprocated in the frame, actuating mechanism's upper and lower both ends are provided with travel switch, the winding subassembly includes motor, elasticity clamping head and winding rod, the output shaft of motor links to each other with the elasticity clamping head, the elasticity clamping head is connected with the winding rod centre gripping, actuating mechanism links to each other with the tray, set up the clamping subassembly above the tray, the beneficial effects of the utility model are that, this tester overall structure is simple, convenient operation, according to the enameled wire test sample of required diameter of different coiling of enameled wire diameter, stabilize the centre gripping location of test sample, tensile after bearing a burden in order to measure the softness of enameled wire, the whole testing process is simple, the universality is strong, and the application range is wide.

Description

Enameled wire softness tester

Technical Field

The utility model relates to an enameled wire compliance test technical field especially relates to an enameled wire compliance tester.

Background

With the continuous progress of the process technology of the motor manufacturing industry and the popularization and application of the automatic production line, the high-speed mechanical winding device and the wire embedding equipment have higher requirements on the softness of the enameled wire, so that the softness of the enameled wire is an important index in use, and the quality of the softness reflects the quality of copper materials and the annealing degree of the enameled wire. When a coil is wound on the framework, if the enameled wire rebounds and deforms due to poor softness, the diameter of the coil is increased, and the framework cannot be accommodated; when a rectangular coil is wound, it will jump back out of the slot due to spring back. Thus, the softness directly affects the process quality and productivity of the coil winding.

Therefore, before winding, the softness of the enameled wire needs to be detected, so that the processing quality of the product is ensured, and the use failure rate of the product is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an enameled wire softness tester, this tester can be according to the enameled wire test sample that the difference of enameled wire diameter convoluteed into required diameter, will test sample centre gripping location, heavy burden after-draw in order to observe its elongation to this weighs the softness of enameled wire, the test is simple, convenient operation, and application scope is wide.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the enameled wire softness tester comprises a rack, a winding assembly, a clamping assembly, a tray and a driving mechanism, wherein the winding assembly, the clamping assembly, the tray and the driving mechanism are arranged on the rack, the driving mechanism drives the tray to move up and down on the rack, travel switches are arranged at the upper end and the lower end of the driving mechanism, the winding assembly comprises a motor, an elastic clamping head and a winding rod, an output shaft of the motor is connected with the elastic clamping head, the elastic clamping head is connected with the winding rod in a clamping mode, the driving mechanism is connected with the tray, and the clamping assembly is arranged above the tray.

Furthermore, the elastic clamping head comprises a multi-jaw chuck, a sleeve rod and an adjusting sleeve, the multi-jaw chuck is fixedly connected with an output shaft of the motor, the sleeve rod is sleeved on the output shaft of the motor, one end of the sleeve rod is fixed on the rack, the other end of the sleeve rod is in threaded connection with the adjusting sleeve, and the adjusting sleeve is sleeved outside the multi-jaw chuck.

Furthermore, the multi-jaw chuck comprises a connecting section and a clamping section, the connecting section is fixedly connected with the end part of the output shaft of the motor through a threaded sleeve, the clamping section is of a conical structure formed by enclosing of a plurality of jaws, an included angle between the jaws is an acute angle, and the winding rod is elastically clamped by the jaws; and an anti-slip sleeve is fixedly sleeved outside the adjusting sleeve.

Furthermore, the clamping assembly comprises a horizontal rod and a vertical clamping rod, one end of the horizontal rod is fixed on the rack, the other end of the horizontal rod is movably positioned and connected with the vertical clamping rod, and the bottom end of the vertical clamping rod is clamped with one end of a wound enameled wire.

Furthermore, the outer end of the horizontal rod is provided with a vertical hole and a positioning hole, the vertical hole is arranged in the direction perpendicular to the horizontal rod, the positioning hole is arranged at the end of the horizontal rod and is arranged in the length direction of the horizontal rod, the positioning hole is communicated with the vertical hole, and a screw knob I is connected to the inner thread of the positioning hole.

Further, vertical supporting rod includes connecting rod, solid fixed splint and activity splint, the one end of connecting rod is inserted vertical downthehole, the other end of connecting rod is connected gu fixed splint, gu one side of fixed splint pass through screw knob II with activity splint link to each other.

Further, actuating mechanism includes servo motor and ball, servo motor passes through synchronous belt drive or gear drive and links to each other with ball's drive end, the last screw nut that is connected with of ball, screw nut pass through the connecting rod with the tray links to each other.

Furthermore, an open slot is formed in one side of the rack along the height direction of the rack, a scale is arranged on one side of the open slot, the open slot is opposite to the ball screw, and the connecting rod penetrates through the open slot and then is connected with the tray.

Furthermore, a resin sliding block is fixed on the connecting rod and is connected in the open slot in a sliding manner; and a pointer for pointing to the scales in the scale is also fixed on the connecting rod.

Furthermore, a starting switch for controlling the starting of the motor and a driving switch for controlling the action of the driving mechanism are arranged on the frame.

The utility model has the advantages that:

1. this compliance tester can select the wire winding stick of corresponding diameter to insert in the elasticity supporting head according to the enameled wire of different diameters, driving motor work makes the wire winding stick rotate and will place the enameled wire on the wire winding stick and roll into closely adjacent coiling sample, then the one end centre gripping with the coiling sample is on the centre gripping subassembly, the other end bears a burden on one's own weight, and put the burden heavy object on the tray, drive the tray downstream through actuating mechanism, make the sample extension of coiling bearing a burden, can compare the quality of enameled wire compliance through calculating the elongation, whole tester simple structure, high durability and convenient operation, the test process is simple, and the application scope is wide.

2. The winding bar clamping device comprises an elastic clamping head, a motor output shaft, a motor frame, a motor output shaft, a motor, a winding bar, a motor driving shaft; the centre gripping subassembly wherein includes horizon bar and vertical supporting rod, the horizon bar is contradicted with vertical supporting rod through screw knob I and is linked to each other, vertical supporting rod bottom is fixed a position with the one end activity centre gripping of coiling the sample, can adjust the position of vertical supporting rod in the horizon bar as required and adjust clamping position, it is relative to make the scale on clamping position and the scale, be convenient for measure the elongation of enameled wire, and the clamp force through II adjustable vertical supporting rod bottoms of adjusting screw knob, the centre gripping that is applicable to the enameled wire of multiple diameter is fixed, it is more stable after making the centre gripping.

In conclusion, the tester is simple in overall structure and convenient to operate, the enameled wire test sample with the required diameter is wound according to the different diameters of the enameled wire, the test sample is stably clamped and positioned, and is stretched after loading to observe the elongation of the enameled wire, so that the softness of the enameled wire is measured, and the tester is simple in whole test process, strong in universality and wide in application range.

Drawings

The contents of the various figures of the specification and the labels in the figures are briefly described as follows:

fig. 1 is a front view of the present invention;

FIG. 2 is a top view of the clamping assembly of FIG. 1 with the clamping assembly removed;

FIG. 3 is a side view of FIG. 1;

the labels in the above figures are: 1. the automatic winding device comprises a rack, 11 open slots, 2 winding assemblies, 21 motors, 22 elastic clamping heads, 221 multi-jaw chucks, 222 sleeving rods, 223 adjusting sleeves, 224 anti-skidding sleeves, 23 winding bars, 3 clamping assemblies, 31 horizontal rods, 311 vertical holes, 312 positioning holes, 32 vertical clamping rods, 321 connecting rods, 322 fixed clamping plates, 323 movable clamping plates, 324 screw knobs II and 33 screw knobs I and 4 pallets, 5 driving mechanisms, 51 servo motors, 52 ball screws, 6 connecting rods, 7 scaleplates, 8 resin sliding blocks, 9 pointers, 10 starting switches and 12 driving switches.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses specific embodiment does: as shown in figures 1 and 2, an enameled wire softness tester comprises a frame 1 and a winding assembly 2, a clamping assembly 3, a tray 4 and a driving mechanism 5 for driving the tray 4 to move up and down on the frame 1, wherein travel switches are arranged at the upper end and the lower end of the driving mechanism 5 and used for controlling the up-and-down movement range of the tray 4, the winding assembly 2 comprises a motor 21, an elastic clamping head 22 and a winding rod 23, an output shaft of the motor 21 is connected with the elastic clamping head 22, and the elastic clamping head 22 is connected with the winding rod 23 in a clamping manner, so that winding rods with corresponding diameters can be selected according to enameled wires with different diameters, when an enameled wire with a larger diameter is wound, in order to enable the winding to be easier, the winding rod with a larger diameter can be selected to be inserted into the elastic clamping head 22, a starting switch 10 for controlling the motor 21 to start is arranged on the frame 1, and the starting switch 10 is pressed to drive the motor 21 to work so that the winding rod 23 rotates and the winding rod The test sample is wound into a winding sample which is close to each other, so that the universality of the tester is improved; actuating mechanism 5 wherein links to each other with tray 4, be used for placing heavy burden thing such as weight on the tray 4, connect the one end at the coiling sample with heavy burden thing, and the top of tray 4 sets up centre gripping subassembly 3, the other end centre gripping that will coil the sample through centre gripping subassembly 3 is fixed, drive tray 4 downstream through actuating mechanism 5, make coiling sample heavy burden extension, can compare the softness of enameled wire good or bad through calculating the extension volume, whole tester simple structure, and convenient for operation, and the test process is simple, and application scope is wide.

Specifically, as shown in fig. 2, the elastic clamping head 22 includes a multi-jaw chuck 221, a sleeving rod 222 and an adjusting sleeve 223, the multi-jaw chuck 221 is fixedly connected to an output shaft of the motor 21, the multi-jaw chuck 221 is fixedly clamped to the winding rod 23, the motor 21 rotates to drive the multi-jaw chuck 221 and the winding rod 23 to rotate, so as to wind the enameled wire into a winding sample close to each other, the sleeving rod 222 is sleeved on the output shaft of the motor 21, one end of the sleeving rod 222 is fixed to the rack 1, the other end of the sleeving rod 222 is in threaded connection with the adjusting sleeve 223, the adjusting sleeve 223 is sleeved outside the multi-jaw chuck 221, the specific structure of the multi-jaw chuck 221 includes a connection section and a clamping section, the connection section is fixed to an end of the output shaft of the motor 21 through a threaded sleeve, the clamping section is configured as a tapered structure surrounded by a plurality of clamping jaws, an included angle between the plurality of clamping jaws is an acute angle, the outer diameter of the plurality of claws in a free state is larger than the inner diameter of the adjusting sleeve 223, the plurality of claws can clamp or loosen the winding rod 23 by screwing the adjusting sleeve 223, and in addition, in order to facilitate the screwing operation, the adjusting sleeve 223 is externally sleeved and fixed with an anti-skid sleeve 224, so that the anti-skid and wear-resistant effects are achieved.

Specifically, as shown in fig. 3, the clamping assembly 3 includes a horizontal rod 31 and a vertical clamping rod 32, one end of the horizontal rod 31 is fixed on the rack 1, the other end of the horizontal rod 31 is movably connected with the vertical clamping rod 32 in a positioning manner, and the bottom end of the vertical clamping rod 32 is clamped with one end of the wound enameled wire. The concrete structure is as follows: the outer end of horizontal pole 31 is provided with vertical hole 311 and locating hole 312, and vertical hole 311 sets up along the direction of perpendicular to horizontal pole 31, and locating hole 312 sets up at the end of horizontal pole 31 and sets up along the length direction of horizontal pole 31, and locating hole 312 communicates with vertical hole 311 and links to each other, and locating hole 312 female connection has screw knob I33, can adjust the position of vertical supporting rod 32 in horizontal pole 31 as required and adjust clamping position. Vertical clamping rod 32 includes connecting rod 321, solid fixed splint 322 and activity splint 323, and in the vertical hole 311 is inserted to the one end of connecting rod 321, solid fixed splint 322 is connected to the other end of connecting rod 321, and one side of solid fixed splint 322 is passed through screw knob II 324 and is linked to each other with activity splint 323, through the clamp force of the adjustable vertical clamping rod 32 bottom of adjusting screw knob II 324, the centre gripping that is applicable to the enameled wire of multiple diameter is fixed, makes behind the centre gripping more stable.

Specifically, as shown in fig. 2, the driving mechanism 5 includes a servo motor 51 and a ball screw 52, the servo motor 51 is connected to the driving end of the ball screw 52 through a synchronous belt transmission or a gear transmission, a screw nut is connected to the ball screw 52, the screw nut is connected to the tray 4 through a connecting rod 6, and the rack 1 is provided with a driving switch 12 for controlling the servo motor 51 to operate, the servo motor 51 is operated by pressing the driving switch 12, so as to drive the ball screw 52 to rotate, the screw nut thereon moves up and down along the ball screw, the tray 4 is driven to move up and down under the action of the connecting rod 6, a negative weight hung at the lower end of the winding sample is gradually separated from the tray 4, and the winding sample is prevented from being stretched in an original state to generate a large-amplitude bounce up and down to influence a test result.

Specifically, as shown in fig. 2, an open slot 11 is formed in one side of the rack 1 along the height direction of the rack, a scale 7 is arranged on one side of the open slot 11, so that the extension amount of a wound sample can be observed conveniently, the open slot 11 is opposite to the ball screw 52, the connecting rod 6 is connected with the tray 4 after passing through the open slot 11, a resin slider 8 is fixed on the connecting rod 6, the resin slider 8 is connected in the open slot 11 in a sliding manner, a sliding guide effect is achieved, a pointer 9 used for pointing to a scale in the scale 7 is further fixed on the connecting rod 6, and the length change of the wound sample can be observed more.

The method for testing the softness of the enameled wire by using the tester comprises the following steps: firstly, selecting a winding bar 23 with a corresponding diameter according to the diameter of the enameled wire to be tested, inserting the winding bar 23 into an elastic clamping head 22, and placing one end of the enameled wire on the winding bar 23; then, pressing the start switch 10 to operate the motor 21, rotating the winding bar 23, winding the enameled wire placed on the winding bar 23 into winding samples which are close to each other, pressing the start switch 10 again to stop the motor 21, and measuring the length of the winding section of the winding sample; then, one end of the winding sample is placed between the fixed clamping plate 322 and the movable clamping plate 323, the screw knob II 324 is screwed to enable the movable clamping plate 323 to move to clamp the winding sample, the position of the vertical clamping rod 32 on the horizontal rod 31 is adjusted, the clamping end of the winding sample is enabled to be opposite to the scale on the scale 7, a weight with the corresponding weight is placed on the tray 4, and the weight is hung at the lower end of the winding sample; finally, pressing the driving switch 12 to make the servo motor 51 work, thereby driving the ball screw 52 to rotate, making the screw nut on the servo motor move up and down along the ball screw, driving the tray 4 to move up and down under the action of the connecting rod 6, making the weight hung at the lower end of the winding sample gradually separate from the tray 4 and extend until the tray 4 moves to the stroke switch at the lower end, making the servo motor 51 stop working, then pressing the driving switch 12 to make the servo motor 51 reverse, thereby driving the tray 4 to move up and reset, after the extended winding sample is stabilized for a certain time, observing and recording the length of the winding section of the winding sample, calculating the elongation of the winding sample, comparing the elongations of a plurality of winding samples, wherein the elongation is good in softness and the elongation is poor in softness.

The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.

Claims

1. The utility model provides an enameled wire softness tester, its characterized in that, includes frame (1) and winding components (2), centre gripping subassembly (3), tray (4) and the actuating mechanism (5) that drive tray (4) set up on frame (1) reciprocate, actuating mechanism's (5) upper and lower both ends are provided with travel switch, winding components (2) include motor (21), elasticity clamping head (22) and wire rod (23), the output shaft of motor (21) with elasticity clamping head (22) link to each other, elasticity clamping head (22) with wire rod (23) centre gripping is connected, actuating mechanism (5) with tray (4) link to each other, the top of tray (4) sets up centre gripping subassembly (3).

2. The enameled wire softness tester according to claim 1, characterized in that: the elastic clamping head (22) comprises a multi-jaw chuck (221), a sleeving rod (222) and an adjusting sleeve (223), the multi-jaw chuck (221) is fixedly connected with an output shaft of the motor (21), the sleeving rod (222) is sleeved on the output shaft of the motor (21), one end of the sleeving rod (222) is fixed on the rack (1), the other end of the sleeving rod (222) is in threaded connection with the adjusting sleeve (223), and the adjusting sleeve (223) is sleeved outside the multi-jaw chuck (221).

3. The enameled wire softness tester according to claim 2, characterized in that: the multi-jaw chuck (221) comprises a connecting section and a clamping section, the connecting section is fixedly connected to the end portion of the output shaft of the motor (21) through a threaded sleeve, the clamping section is of a conical structure formed by enclosing of a plurality of jaws, an included angle between the jaws is an acute angle, and the jaws elastically clamp the winding rod (23); the adjusting sleeve (223) is externally sleeved and fixed with an anti-slip sleeve (224).

4. The enameled wire softness tester according to any one of claims 1 to 3, characterized in that: the clamping assembly (3) comprises a horizontal rod (31) and a vertical clamping rod (32), one end of the horizontal rod (31) is fixed on the rack (1), the other end of the horizontal rod (31) is movably positioned and connected with the vertical clamping rod (32), and the bottom end of the vertical clamping rod (32) is clamped with one end of a wound enameled wire.

5. The enameled wire softness tester according to claim 4, characterized in that: the outer end of horizon bar (31) is provided with vertical hole (311) and locating hole (312), vertical hole (311) are along the perpendicular to the direction setting of horizon bar (31), locating hole (312) set up the end of horizon bar (31) and follow the length direction setting of horizon bar (31), locating hole (312) with vertical hole (311) link to each other, locating hole (312) internal thread connection has screw knob I (33).

6. The enameled wire softness tester according to claim 5, characterized in that: vertical supporting rod (32) include connecting rod (321), solid fixed splint (322) and activity splint (323), the one end of connecting rod (321) is inserted in vertical hole (311), the other end of connecting rod (321) is connected gu fixed splint (322), one side of gu fixed splint (322) pass through screw knob II (324) with activity splint (323) link to each other.

7. The enameled wire softness tester according to claim 5, characterized in that: the driving mechanism (5) comprises a servo motor (51) and a ball screw (52), the servo motor (51) is connected with the driving end of the ball screw (52) through synchronous belt transmission or gear transmission, a screw nut is connected onto the ball screw (52), and the screw nut is connected with the tray (4) through a connecting rod (6).

8. The enameled wire softness tester according to claim 7, characterized in that: one side of frame (1) is provided with open slot (11) along its direction of height, one side of open slot (11) is provided with scale (7), open slot (11) with ball (52) are relative, connecting rod (6) pass behind open slot (11) with tray (4) link to each other.

9. The enameled wire softness tester according to claim 8, characterized in that: a resin sliding block (8) is fixed on the connecting rod (6), and the resin sliding block (8) is connected in the open slot (11) in a sliding manner; and a pointer (9) for pointing to the scales in the scale (7) is also fixed on the connecting rod (6).

10. The enameled wire softness tester according to claim 4, characterized in that: the frame (1) is provided with a starting switch (10) for controlling the motor (21) to start and a driving switch (12) for controlling the driving mechanism (5) to act.