Pole piece servo tension device

Abstract

The utility model relates to a pole piece servo tension device which comprises a servo motor, a coupler, a fixed seat, a bearing seat, a limiting frame, a tension swing arm and a swing roller, the fixed seat is fixedly connected with a shell of the servo motor, the coupler is connected with an output shaft of the servo motor, the bearing seat is connected with the fixed seat, and the limiting frame is connected with the tension swing arm. A plurality of bearings are assembled in the bearing seat, the tension swing arm comprises a rotating shaft and a force arm, one end of the rotating shaft is connected with the coupler and penetrates through the bearings in the bearing seat, the other end of the rotating shaft is connected with the middle of the force arm, the two ends of the force arm are each connected with one swing roller, and the two swing rollers are arranged in parallel in a spaced mode. The limiting frame is connected with the bearing seat and provided with a pair of blocking arms which are arranged in parallel in a spaced mode, and the two blocking arms limit the rotation range of the swing roller by blocking the force arms.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cleaning machine equipment technical field especially relates to a pole piece servo tension device. BACKGROUND

[0002] In the production and manufacturing process of laser cleaning, in order to ensure the stability of the tension of pole piece in the transportation process, a pole piece servo tension device needs to be designed. The device mainly serves as the tension adjustment module in the pole piece conveying process of laser cleaning machine, and realizes the stable operation of pole piece. The existing pole piece tension device mainly provides power for the air cylinder, and the tension swing lever is single-shaft, which has the situation of unstable tension, leads to pole piece conveying deviation and broken belt, and even affects the cleaning effect of pole piece. In order to solve the problem, a pole piece servo tension device is proposed. SUMMARY

[0003] In view of the above situation, it is necessary to propose a pole piece servo tension device to avoid pole piece conveying deviation and broken belt.

[0004] In order to solve the above technical problem, the technical scheme adopted by the utility model is as follows: a pole piece servo tension device, comprising a servo motor, a shaft coupling, a fixed seat, a bearing seat, a limiting frame, a tension swing arm and a swing roller, the fixed seat is fixedly connected with the shell of the servo motor, the shaft coupling is connected with the output shaft of the servo motor, the bearing seat is connected with the fixed seat, a plurality of bearings are assembled in the bearing seat, the tension swing arm comprises a rotating shaft and a force arm, one end of the rotating shaft is connected with the shaft coupling and penetrates through the bearing in the bearing seat, the other end of the rotating shaft is connected with the middle part of the force arm, the two ends of the force arm are respectively connected with a swing roller, the two swing rollers are spaced apart and arranged in parallel, the limiting frame is connected with the bearing seat and has a pair of blocking arms arranged in parallel, the two blocking arms limit the rotation range of the swing roller by blocking the force arm.

[0005] Further, a buffer sleeve is sleeved on the blocking arm.

[0006] Further, the limiting frame further comprises a connecting arm, one end of the two blocking arms away from the shaft coupling is connected with the connecting arm, and the connecting arm has a gap between the connecting arm and the force arm.

[0007] Further, two auxiliary rollers are arranged between the two swing rollers.

[0008] Further, one bearing groove is arranged at each end of the bearing seat, and one bearing is arranged in each bearing groove.

[0009] Further, the bearing seat is provided with a flange, the flange is provided with two or more connecting holes, and the limiting frame is connected with the flange through the connecting holes.

[0010] Further, the swing roller comprises a cantilever shaft, one end of the cantilever shaft close to the force arm is provided with a connecting convex body, the cantilever shaft and the force arm are connected through a grommet, and the connecting convex body is provided with a screw hole facing the opening of the force arm.

[0011] Further, the cantilever shaft is provided with a carbon fiber cylinder, two ends of the carbon fiber cylinder are provided with bearings sleeved on the cantilever shaft respectively, and the end of the cantilever shaft away from the force arm is further connected with a top ring and an end cover.

[0012] Further, four corners of the shell of the servo motor are provided with position avoiding grooves, four corners of an end face of the servo motor facing the fixed seat are formed into convex corners, the convex corners are provided with through holes, the fixed seat is provided with screw holes corresponding to the through holes, and the servo motor and the fixed seat are connected through bolts passing through the through holes and the screw holes.

[0013] The servo motor drives the tension swing arm to rotate through the shaft coupling, the tension swing arm drives the swing rollers at two ends to swing, the limiting frame prevents the swing roller from swinging too much, and the stability of the tension swing arm is ensured through the setting of the fixed seat and the bearing seat. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of a pole piece servo tension device according to an embodiment of the utility model;

[0015] Figure 2 is another direction structural schematic view of a pole piece servo tension device according to an embodiment of the utility model;

[0016] Figure 3 is still another direction structural schematic view of a pole piece servo tension device according to an embodiment of the utility model;

[0017] Figure 4 is an exploded structural schematic view of a pole piece servo tension device according to an embodiment of the utility model.

[0018] LABEL EXPLANATION

[0019] 100, servo motor; 110, output shaft; 120, shell; 121, position avoiding groove; 122, convex corner;

[0020] 200, coupling; 300, fixed seat; 400, bearing seat; 410, bearing; 420, flange;

[0021] 421, connecting hole; 500, limiting frame; 510, blocking arm; 511, buffer sleeve; 520, connecting arm;

[0022] 600, tension swing arm; 610, rotating shaft; 620, force arm; 700, swing roller; 710, cantilever shaft;

[0023] 711, connecting convex; 720, grommet; 730, carbon fiber cylinder; 740, top ring; 750, end cover;

[0024] 760, bearing; 800, auxiliary roller. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model a kind of pole piece servo tension device is further detailed below with the drawings and examples.It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0026] Please refer to Figure 1 -fig.4, a kind of pole piece servo tension device, including servo motor 100, coupling 200, fixed seat 300, bearing seat 400, limiting frame 500, tension swing arm 600 and swing roller 700, fixed seat 300 is fixedly connected with the shell 120 of servo motor 100, coupling 200 is connected with the output shaft 110 of servo motor 100, bearing seat 400 is connected with fixed seat 300, bearing seat 400 is equipped with several bearings 410 in, tension swing arm 600 includes rotating shaft 610 and force arm 620, one end of rotating shaft 610 is connected with coupling 200 and passes through the bearing 410 in bearing seat 400, the other end of rotating shaft 610 is connected with the middle part of force arm 620, the both ends of force arm 620 are connected with a swing roller 700, two swing rollers 700 are spaced apart and parallelly arranged, limiting frame 500 is connected with bearing seat 400 and has a pair of blocking arms 510 spaced apart and parallelly arranged, two blocking arms 510 limit the rotation range of swing roller 700 by blocking force arm 620.

[0027] Servo motor 100 drives tension swing arm 600 to rotate through coupling 200, tension swing arm 600 drives swing roller 700 at both ends to swing, limiting frame 500 avoids swing roller 700 to swing too much, to prevent swing roller 700 from interfering with other components;The setting of fixed seat 300 and bearing seat 400 ensures the stability of tension swing arm 600. Through servo stable rotation power, swing roller 700 obtains corresponding torsion, the structure of double roller swing also greatly improves the stability of tension, reduces the deviation and fracture in the process of transportation, so that pole piece cleaning is more accurate and stable.

[0028] Please refer to Figure 3 and Figure 4 , the blocking arm 510 is sleeved with a buffer sleeve 511. The buffer sleeve 511 is provided to provide buffering effect when the blocking arm 510 and the force arm 620 collide, avoiding deformation and damage.

[0029] Please refer to Figure 4 , the limiting frame 500 further comprises a connecting arm 520, two ends of the blocking arm 510 away from the shaft coupling 200 are connected with the connecting arm 520, and the connecting arm 520 has a gap with the force arm 620. The connecting arm 520 is provided to improve the strength of the limiting frame 500.

[0030] Please refer to Figure 2 , further comprising an auxiliary roller 800, two auxiliary rollers 800 are arranged between the two swing rollers 700, and the auxiliary rollers 800 are arranged one above the other. The auxiliary roller 800 ensures the tension.

[0031] Please refer to Figure 4 , the bearing seat 400 is provided with a bearing groove at each end, and a bearing 410 is arranged in each bearing groove. The bearing 410 can be locked in the bearing groove by a locking member, such as a locking nut, a clamping spring, etc.

[0032] Please refer to Figure 4 , the bearing seat 400 is provided with a flange 420, the flange 420 is provided with two or more connecting holes 421, and the limiting frame 500 is connected with the flange 420 through the connecting holes 421. Through the setting of multiple connecting holes 421, different connecting holes 421 can be selected according to needs, facilitating assembly. Usually, the connecting holes 421 are arranged in pairs, and each pair is symmetrically arranged around the rotating shaft 610; preferably, the blocking arm 510 is also symmetrically arranged around the rotating shaft 610, i.e. the rotation range is limited to less than or equal to 180 degrees.

[0033] Please refer to Figure 3 and Figure 4 , the swing roller 700 comprises a cantilever shaft 710, the end of the cantilever shaft 710 close to the force arm 620 has a connecting convex body 711, the cantilever shaft 710 and the force arm 620 have a grommet 720, the connecting convex body 711 is provided with a screw hole opening towards the force arm 620, and the cantilever shaft 710 and the force arm 620 are connected through a stud. The connecting convex body 711 is provided, which can still ensure sufficient strength after the screw hole is opened; and the grommet 720 is provided to avoid friction damage to the force arm 620.

[0034] Please refer to Figure 3 and Figure 4The carbon fiber cylinder 730 is sleeved on the cantilever shaft 710, and a bearing 760 is arranged in each end of the carbon fiber cylinder 730 and sleeved on the cantilever shaft 710; and the end of the cantilever shaft 710 away from the force arm 620 is further connected with a top ring 740 and an end cover 750.

[0035] Please refer to Figure 4 The four corners of the housing 120 of the servo motor 100 are provided with position avoiding grooves 121, so that the four corners of the end face of the servo motor 100 protrude to form convex corners 122, the convex corners 122 are provided with through holes, the fixed seat 300 is provided with screw holes corresponding to the through holes, and the servo motor 100 and the fixed seat 300 are connected through bolts passing through the through holes and the screw holes.

[0036] It should be noted that if the embodiment of the utility model has directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0037] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0038] In summary, the pole piece servo tension device provided by the utility model, the servo motor drives the tension swing arm to rotate through the shaft coupling, the tension swing arm drives the swing rollers at both ends to swing, the limit frame avoids the swing roller from swinging too much; the setting of the fixed seat and the bearing seat ensures the stability of the tension swing arm. The servo motor provides rotating power, so that the swing roller obtains corresponding torsion, the structure of the double swing rollers greatly improves the stability of the tension, reduces the deviation and breakage in the transportation process, and makes the pole piece cleaning more accurate and stable.

[0039] The above merely 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 with preferred embodiments, it is not intended to limit the present application. Any skilled person in the art can make minor changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A electrode servo tension device, characterized in that, The device includes a servo motor, a coupling, a fixed base, a bearing housing, a limiting frame, a tension swing arm, and swing rollers. The fixed base is fixedly connected to the housing of the servo motor. The coupling is connected to the output shaft of the servo motor. The bearing housing is connected to the fixed base and contains several bearings. The tension swing arm includes a rotating shaft and a lever arm. One end of the rotating shaft is connected to the coupling and passes through the bearing in the bearing housing. The other end of the rotating shaft is connected to the middle of the lever arm. Each end of the lever arm is connected to a swing roller, and the two swing rollers are arranged parallel to each other at intervals. The limiting frame is connected to the bearing housing and has a pair of parallel blocking arms arranged at intervals. The two blocking arms limit the rotation range of the swing rollers by blocking the lever arms.

2. The electrode servo tension device according to claim 1, characterized in that, A buffer sleeve is fitted onto the blocking arm.

3. The electrode servo tension device according to claim 1, characterized in that, The limiting frame also includes a connecting arm, and the ends of the two blocking arms away from the coupling are connected to the connecting arm, with a gap between the connecting arm and the lever arm.

4. The electrode servo tension device according to claim 1, characterized in that, It also includes auxiliary rollers, with two auxiliary rollers arranged between the two swing rollers, one above the other.

5. The electrode servo tension device according to claim 1, characterized in that, Each end of the bearing housing is provided with a bearing groove, and each bearing groove is provided with a bearing.

6. The electrode servo tension device according to claim 1, characterized in that, The bearing housing is provided with a flange, and the flange is provided with two or more connecting holes. The limiting frame is connected to the flange through the connecting holes.

7. The electrode servo tension device according to claim 1, characterized in that, The swing roller includes a cantilever shaft, and the end of the cantilever shaft near the lever arm has a connecting protrusion. A washer is provided between the cantilever shaft and the lever arm. The connecting protrusion has a threaded hole facing the opening of the lever arm. The cantilever shaft and the lever arm are connected by a stud.

8. The electrode servo tension device according to claim 7, characterized in that, A carbon fiber cylinder is fitted onto the cantilever shaft, and a bearing fitted onto the cantilever shaft is provided at each of the two ends of the carbon fiber cylinder. A top ring and an end cap are also connected to the end of the cantilever shaft away from the lever arm.

9. The electrode servo tension device according to claim 1, characterized in that, The servo motor housing has clearance grooves at its four corners, so that the four corners of the end face of the servo motor facing the fixed base protrude to form convex corners. The convex corners have through holes, and the fixed base has screw holes corresponding to the through holes. Bolts connect the servo motor and the fixed base through the through holes and the screw holes.

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