Positioning mechanism for automobile universal joint machining

Abstract

The application provides a positioning mechanism for automobile universal joint machining, and relates to the technical field of automobile universal joint machining, which comprises a rectangular positioning base, a universal joint positioning mechanism, a sundry detection mechanism and an automatic protection mechanism; the universal joint positioning mechanism is installed on the rectangular positioning base; the sundry detection mechanism is installed on the universal joint positioning mechanism; and the automatic protection mechanism is installed on the top of the universal joint positioning mechanism; when sundries exist on the automobile universal joint or clamp, the metal conductive block B can contact the metal conductive block A, the positive pole of the rechargeable battery and the buzzer alarm are connected, and the staff can know that the sundries exist on the automobile universal joint or clamp through the alarm sound of the buzzer alarm; the problem that the machining precision of the automobile universal joint is reduced due to the fact that the position of the positioned automobile universal joint is not accurate enough because the staff cannot be automatically reminded when the sundries exist on the automobile universal joint or clamp and the general lack of the sundry detection structure is solved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile universal joint processing, and more particularly to a positioning mechanism for automobile universal joint processing. BACKGROUND

[0002] As a key component in the automobile transmission system, the universal joint has very high precision requirements; machine tool processing can ensure the accuracy of size and shape, and meet the high quality requirements; during processing, a positioning mechanism is used to fix the automobile universal joint to ensure the processing precision of the automobile universal joint.

[0003] However, the positioning mechanism used in the machine tool still has the following problems:

[0004] 1. Generally lacks a debris detection structure, and when there is debris on the automobile universal joint or the clamp to be processed, the staff cannot be automatically reminded, resulting in that the position of the positioned automobile universal joint is not accurate enough, and the processing precision of the automobile universal joint is reduced;

[0005] 2. Does not have a cutting chip and cutting fluid blocking function, and when the automobile universal joint is processed, the cutting chips and cutting fluid are easy to splash out when the machine tool protection door is forgotten to be closed, which exists a safety hazard and also affects the hygiene of the production area. SUMMARY

[0006] The positioning mechanism for automobile universal joint processing provided by the embodiments of the present disclosure has a universal joint positioning mechanism, a debris detection mechanism and an automatic protection mechanism; when there is debris on the automobile universal joint or the clamp, the metal conductive block B can be in contact with the metal conductive block A, the positive pole of the rechargeable battery and the buzzer is connected, the staff can know that there is debris on the automobile universal joint or the clamp through the alarm sound of the buzzer, the cutting chips and cutting fluid are blocked, the safety hazard is reduced, the hygiene of the production area is maintained, and the problems of the inaccurate position of the positioned automobile universal joint and the lack of cutting chip and cutting fluid blocking function are solved.

[0007] In a first aspect, the present disclosure provides a positioning mechanism for automobile universal joint processing, comprising: a rectangular positioning base, a universal joint positioning mechanism, a debris detection mechanism and an automatic protection mechanism.

[0008] The top of the rectangular positioning base is fixedly provided with an L-shaped stress plate A through screws; the universal joint positioning mechanism is installed on the rectangular positioning base; the debris detection mechanism is installed on the universal joint positioning mechanism, and is used to detect whether there is debris on the automobile universal joint or the clamp; and the debris detection mechanism is also used to limit the universal joint positioning mechanism.

[0009] The automatic protection mechanism is installed on the top of the universal joint positioning mechanism, and is used to block the cutting chips and cutting fluid.

[0010] In at least some embodiments, the universal joint positioning mechanism comprises: an L-shaped mounting seat, a linear electric cylinder, and an insulating movable plate; the L-shaped mounting seat is fixedly installed on the front side of the rectangular positioning base through screws; the linear electric cylinder is fixedly installed on the L-shaped mounting seat; the insulating movable plate is slidingly installed on the rectangular positioning base, and the insulating movable plate is further fixedly connected with the output shaft of the linear electric cylinder.

[0011] In at least some embodiments, the universal joint positioning mechanism further comprises: a circular guide rod, a T-shaped stress plate B, and an L-shaped mounting bracket; the circular guide rod is provided with two, and the two circular guide rods are slidingly installed on the insulating movable plate; the T-shaped stress plate B is fixedly installed on the rear side of the two circular guide rods; the L-shaped mounting bracket is provided with two, and the two L-shaped mounting brackets are fixedly installed on the left and right sides of the T-shaped stress plate B.

[0012] In at least some embodiments, the universal joint positioning mechanism further comprises: a linkage rack, a limiting ring, and a spiral spring A; the linkage rack is provided with two, and the two linkage racks are fixedly installed on the top of the two L-shaped mounting brackets; the limiting ring is provided with two, and the two limiting rings are fixedly installed on the front ends of the two circular guide rods, and the rear side of the two limiting rings is in contact with the front side of the insulating movable plate; the spiral spring A is provided with two, and the two spiral springs A are sleeved on the outside of the two circular guide rods, and the two ends of the two spiral springs A are connected with the insulating movable plate and the T-shaped stress plate B.

[0013] In at least some embodiments, the sundry detection mechanism comprises: a rectangular protection plate, a rechargeable battery, and a buzzer alarm; the rectangular protection plate is fixedly installed on the front side of the insulating movable plate; the rechargeable battery is fixedly installed at the bottom of the rectangular protection plate; the buzzer alarm is fixedly installed at the bottom of the rectangular protection plate, and the buzzer alarm is located on the right side of the rechargeable battery, and the negative electrode of the buzzer alarm is connected with the negative electrode of the rechargeable battery through a wire.

[0014] In at least some embodiments, the sundry detection mechanism further comprises: a metal conductive block A and a multifunctional unit; the metal conductive block A is fixedly installed in the insulating movable plate, and the metal conductive block A is connected with the positive electrode of the rechargeable battery through a wire; the multifunctional unit is installed on the front side of the T-shaped stress plate B.

[0015] In at least some embodiments, the multifunctional unit comprises: a U-shaped multifunctional bracket, a connecting rotating shaft, and an insulating mounting rod; the U-shaped multifunctional bracket is fixedly installed on the front side of the T-shaped stress plate B, and two arc-shaped limiting slot holes are formed in the U-shaped multifunctional bracket; the connecting rotating shaft is rotatably installed on the U-shaped multifunctional bracket; the insulating mounting rod is fixedly installed on the outside of the connecting rotating shaft.

[0016] In at least some embodiments, the multifunctional unit further comprises: a metal conductive block B, an arc-shaped reset rod, a circular limiting shaft and a spiral spring B; the metal conductive block B is fixedly installed on the insulating mounting rod, and the metal conductive block B is connected with the positive electrode of the buzzer through a wire, and there is a gap between the metal conductive block B and the metal conductive block A; the arc-shaped reset rod is provided with two, and the two arc-shaped reset rods are fixedly installed in the two arc-shaped limiting slot holes; the circular limiting shaft is fixedly installed on the insulating mounting rod, and the circular limiting shaft is inserted into the two arc-shaped limiting slot holes, and the circular limiting shaft is further in sliding connection with the two arc-shaped reset rods; the spiral spring B is provided with two, and the two spiral springs B are sleeved outside the two arc-shaped reset rods, and the two spiral springs B are located on the right side of the circular limiting shaft.

[0017] In at least some embodiments, the automatic protection mechanism comprises: a triangular mounting block and a circular connecting rod; the triangular mounting block is provided with two, and the two triangular mounting blocks are fixedly installed on the top of the insulating movable plate; the circular connecting rod is rotatably installed on the two triangular mounting blocks.

[0018] In at least some embodiments, the automatic protection mechanism further comprises: an automatic protection plate and a linkage gear; the automatic protection plate is fixedly installed outside the circular connecting rod; the linkage gear is provided with two, and the two linkage gears are fixedly installed on the left and right ends of the circular connecting rod, and the two linkage gears are in meshing connection with the two linkage racks; when the front side of the U-shaped multifunctional frame contacts the back side of the insulating movable plate, the two linkage racks drive the two linkage gears to rotate by one quarter of a circle.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] 1、When the output shaft of the linear cylinder is stretched out, the insulating movable plate drives the T-shaped stress plate B to move, so that the clamps on the L-shaped stress plate A and the T-shaped stress plate B contact the automobile universal joint; when the output shaft of the linear cylinder continues to stretch out, the T-shaped stress plate B stops moving under the action of the automobile universal joint, and the insulating movable plate continues to move, so that the two spiral springs A are compressed, ensuring that the clamps on the L-shaped stress plate A and the T-shaped stress plate B are in elastic contact with the automobile universal joint, thereby avoiding the problem of clamping injury of the automobile universal joint while ensuring the clamping effect.

[0021] 2、When there is sundry on the automobile universal joint or the clamp, the sundry can push the T-shaped stress plate B to move under the support of the sundry; at this time, the metal conductive block B can contact the metal conductive block A, realizing the connection of the positive electrode of the rechargeable battery and the buzzer, so that the staff can know that there is sundry on the automobile universal joint or the clamp through the alarm sound of the buzzer; when there is no sundry on the automobile universal joint or the clamp, there is always a gap between the metal conductive block B and the metal conductive block A, so that the buzzer does not work at this time.

[0022] In addition, when the clamp contacts the automobile universal joint, the output shaft of the linear motor continues to extend, the insulating movable plate and the metal conductive block A can extrude the metal conductive block B to move, the insulating mounting rod is rotated, the buzzer is prevented from working for a long time; when the U-shaped multifunctional frame contacts the insulating movable plate, the T-shaped stress plate B cannot move after being stressed, so that the automobile universal joint is positioned more stably; when the output shaft of the linear motor is retracted, the two spiral springs B can drive the metal conductive block B to reset.

[0023] 3、When the front side of the U-shaped multifunctional frame contacts the rear side of the insulating movable plate, the two linkage racks drive the two linkage gears to rotate by a quarter of a circle, so that the automatic protection plate is in a vertical state, the cutting chips and cutting fluid are blocked, the safety hidden danger is reduced, and the hygiene of the production area is maintained.

[0024] In addition, when the output shaft of the linear motor is retracted, the two linkage racks drive the two linkage gears to rotate reversely by a quarter of a circle, so that the automatic protection plate is in a horizontal state, the automobile universal joint after machining is convenient to take down, and the automobile universal joint is convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0026] The drawings described in the following description only relate to some embodiments of the present application, and are not a limitation of the present application.

[0027] In the drawings:

[0028] Figure 1 The three-dimensional structure schematic diagram of the present application is shown.

[0029] Figure 2 The rear side view structure schematic diagram of the present application is shown. Figure 1

[0030] The left side view structure schematic diagram of the present application is shown. Figure 3 Figure 1 The structure schematic diagram of the universal joint positioning mechanism of the present application is shown.

[0031] Figure 4 The top view structure schematic diagram of the present application is shown.

[0032] Figure 5 The structure schematic diagram of the multifunctional unit of the present application is shown. Figure 1

[0033] The structure schematic diagram of the multifunctional unit of the present application is shown. Figure 6

[0034] Figure 7 ​​The structural schematic diagram of the insulating movable plate, the rectangular protection plate, the rechargeable battery, the buzzer alarm and the metal conductive block A of the application is shown.

[0035] Figure 8 The structural schematic diagram of the insulating movable plate, the rectangular protection plate, the rechargeable battery, the buzzer alarm and the metal conductive block A of the application is shown. Figure 3 The partial enlarged structural schematic diagram of the A area of the application is shown.

[0036] Figure 9 The structural schematic diagram of the automatic protection mechanism of the application is shown.

[0037] Figure 10 The partial enlarged structural schematic diagram of the B area of the application is shown. Figure 2

[0038] List of reference signs:

[0039] 100, rectangular positioning base; 101, L-shaped stress plate A;

[0040] 200, universal joint positioning mechanism; 201, L-shaped mounting seat; 202, linear electric cylinder; 203, insulating movable plate; 204, circular guide rod; 205, T-shaped stress plate B; 206, L-shaped mounting frame; 207, linkage rack; 208, limiting ring; 209, spiral spring A;

[0041] 300, sundry detection mechanism; 301, rectangular protection plate; 302, rechargeable battery; 303, buzzer alarm; 304, metal conductive block A; 305, multifunctional unit; 3051, U-shaped multifunctional frame; 30511, arc-shaped limiting slot hole; 3052, connecting rotating shaft; 3053, insulating mounting rod; 3054, metal conductive block B; 3055, arc-shaped reset rod; 3056, circular limiting shaft; 3057, spiral spring B;

[0042] 400, automatic protection mechanism; 401, triangular mounting block; 402, circular connecting rod; 403, automatic protection plate; 404, linkage gear. DETAILED DESCRIPTION

[0043] In order to make the purpose, scheme and advantages of the technical solutions of the application more clear, the technical solutions of the embodiments of the application will be described clearly and completely in the following with reference to the drawings of the specific embodiments of the application. Unless otherwise specified, the terms used herein have the meanings commonly used in the art. The same reference signs in the drawings represent the same components.

[0044] Embodiment: please refer to Figures 1 to 10 ​As shown: the present application provides a kind of positioning mechanism for automobile universal joint processing, including: rectangular positioning base 100, universal joint positioning mechanism 200, sundry detection mechanism 300 and automatic protection mechanism 400;L-shaped stress plate A 101 is fixedly installed on the top of rectangular positioning base 100 by screw;Universal joint positioning mechanism 200 is installed on rectangular positioning base 100;Sundry detection mechanism 300 is installed on universal joint positioning mechanism 200, and sundry detection mechanism 300 is used to detect whether there is sundry on automobile universal joint or clamp, and sundry detection mechanism 300 is also used to limit universal joint positioning mechanism 200;Automatic protection mechanism 400 is installed on the top of universal joint positioning mechanism 200, and automatic protection mechanism 400 is used to block cutting chips and cutting fluid.

[0045] As shown in the embodiments of the present disclosure, Figure 4 Universal joint positioning mechanism 200 includes: L-shaped mounting seat 201, linear electric cylinder 202 and insulation movable plate 203;L-shaped mounting seat 201 is fixedly installed on the front side of rectangular positioning base 100 by screw;Linear electric cylinder 202 is fixedly installed on L-shaped mounting seat 201;Insulation movable plate 203 is slidingly installed on rectangular positioning base 100, and insulation movable plate 203 is also fixedly connected with the output shaft of linear electric cylinder 202;Universal joint positioning mechanism 200 further includes: circular guide rod 204, T-shaped stress plate B 205 and L-shaped mounting frame 206;Two circular guide rods 204 are provided, and two circular guide rods 204 are slidingly installed on insulation movable plate 203;T-shaped stress plate B 205 is fixedly installed on the rear side of two circular guide rods 204;Two L-shaped mounting frames 206 are provided, and two L-shaped mounting frames 206 are fixedly installed on the left and right sides of T-shaped stress plate B 205;Universal joint positioning mechanism 200 further includes: linkage rack 207, limiting ring 208 and spiral spring A 209;Two linkage racks 207 are provided, and two linkage racks 207 are fixedly installed on the top of two L-shaped mounting frames 206;Two limiting rings 208 are provided, and two limiting rings 208 are fixedly installed on the front end of two circular guide rods 204, and the rear side of two limiting rings 208 contacts with the front side of insulation movable plate 203;Two spiral springs A 209 are provided, and two spiral springs A 209 are sleeved on the outside of two circular guide rods 204, and two ends of two spiral springs A 209 are connected with insulation movable plate 203 and T-shaped stress plate B 205;

[0046] The specific action is that: because the insulating movable plate 203 is slidably installed on the rectangular positioning base 100, and the insulating movable plate 203 is also fixedly connected with the output shaft of the linear electric cylinder 202, when the output shaft of the linear electric cylinder 202 is extended, the insulating movable plate 203 drives the T-shaped stress plate B 205 to move, so that the clamps on the L-shaped stress plate A 101 and the T-shaped stress plate B 205 contact the automobile universal joint; and because the two circular guide rods 204 are slidably installed on the insulating movable plate 203, and the two spiral springs A 209 are sleeved outside the two circular guide rods 204, and the two ends of the two spiral springs A 209 are connected with the insulating movable plate 203 and the T-shaped stress plate B 205, when the output shaft of the linear electric cylinder 202 continues to extend, the T-shaped stress plate B 205 stops moving under the action of the automobile universal joint, the insulating movable plate 203 continues to move, so that the two spiral springs A 209 are compressed, and the clamps on the L-shaped stress plate A 101 and the T-shaped stress plate B 205 are elastically contacted with the automobile universal joint, so that the clamping effect is guaranteed, and the problem of clamping injury of the automobile universal joint is avoided.

[0047] In the embodiment of the present disclosure, as shown in Figures 6 to 10 The debris detection mechanism 300 includes a rectangular protective plate 301, a rechargeable battery 302 and a buzzer alarm 303; the rectangular protective plate 301 is fixedly installed on the front side of the insulating movable plate 203; the rechargeable battery 302 is fixedly installed at the bottom of the rectangular protective plate 301; the buzzer alarm 303 is fixedly installed at the bottom of the rectangular protective plate 301, and the buzzer alarm 303 is located on the right side of the rechargeable battery 302, and the negative electrode of the buzzer alarm 303 is connected with the negative electrode of the rechargeable battery 302 through a wire; the debris detection mechanism 300 further includes a metal conductive block A 304 and a multifunctional unit 305; the metal conductive block A 304 is fixedly installed in the insulating movable plate 203, and the metal conductive block A 304 is connected with the positive electrode of the rechargeable battery 302 through a wire; the multifunctional unit 305 is installed on the front side of the T-shaped stress plate B 205;

[0048] The multifunctional unit 305 comprises a U-shaped multifunctional frame 3051, a connecting rotating shaft 3052 and an insulating mounting rod 3053; the U-shaped multifunctional frame 3051 is fixedly installed at the front side of the T-shaped stress plate B205, and two arc-shaped limiting slot holes 30511 are formed in the U-shaped multifunctional frame 3051; the connecting rotating shaft 3052 is rotatably installed on the U-shaped multifunctional frame 3051; the insulating mounting rod 3053 is fixedly installed outside the connecting rotating shaft 3052; the multifunctional unit 305 further comprises a metal conductive block B 3054, an arc-shaped reset rod 3055, a circular limiting shaft 3056 and a spiral spring B 3057; the metal conductive block B 3054 is fixedly installed on the insulating mounting rod 3053, and the metal conductive block B 3054 is connected with the positive electrode of the buzzing alarm 303 through wires, and there is a gap between the metal conductive block B 3054 and the metal conductive block A 304; the arc-shaped reset rod 3055 comprises two, and the two arc-shaped reset rods 3055 are fixedly installed in the two arc-shaped limiting slot holes 30511; the circular limiting shaft 3056 is fixedly installed on the insulating mounting rod 3053, and the circular limiting shaft 3056 is inserted into the two arc-shaped limiting slot holes 30511, and the circular limiting shaft 3056 is further in sliding connection with the two arc-shaped reset rods 3055; the spiral spring B 3057 comprises two, and the two spiral springs B 3057 are sleeved outside the two arc-shaped reset rods 3055, and the two spiral springs B 3057 are located at the right side of the circular limiting shaft 3056;

[0049] In specific action, since the metal conductive block A 304 is connected with the positive electrode of the rechargeable battery 302 through wires, and the metal conductive block B 3054 is connected with the positive electrode of the buzzing alarm 303 through wires, and there is a gap between the metal conductive block B 3054 and the metal conductive block A 304, when there is sundry on the automobile universal joint or clamp, the sundry can push the T-shaped stress plate B 205 to move under the support of the sundry, at this time, the metal conductive block B 3054 can be in contact with the metal conductive block A 304, realizing the connection of the positive electrodes of the rechargeable battery 302 and the buzzing alarm 303, so that the staff can know that there is sundry on the automobile universal joint or clamp through the alarm sound of the buzzing alarm 303; when there is no sundry on the automobile universal joint or clamp, there is always a gap between the metal conductive block B 3054 and the metal conductive block A 304, at this time, the buzzing alarm 303 does not work;

[0050] In addition, the connecting rotating shaft 3052 is rotatably installed on the U-shaped multifunctional frame 3051, the insulating mounting rod 3053 is fixedly installed outside the connecting rotating shaft 3052, and the insulating mounting rod 3053 is in an inclined state. When the clamp contacts the automobile universal joint, and the output shaft of the linear electric cylinder 202 continues to extend, the insulating movable plate 203 and the metal conductive block A 304 can extrude the metal conductive block B 3054 to move, so that the insulating mounting rod 3053 rotates, and the buzzer 303 is prevented from working for a long time; when the U-shaped multifunctional frame 3051 contacts the insulating movable plate 203, the T-shaped stress plate B 205 cannot move after being stressed, so that the automobile universal joint is more stable after positioning; and because the circular limiting shaft 3056 is also slidably connected with the two arc-shaped reset rods 3055, the two spiral springs B 3057 are sleeved outside the two arc-shaped reset rods 3055, and the two spiral springs B 3057 are located on the right side of the circular limiting shaft 3056, when the output shaft of the linear electric cylinder 202 is retracted, the two spiral springs B 3057 can drive the metal conductive block B 3054 to reset.

[0051] In the embodiments of the present disclosure, as shown in Figure 9 and Figure 10 The automatic protection mechanism 400 includes two triangular mounting blocks 401, two circular connecting rods 402, an automatic protection plate 403, and two linkage gears 404. The two triangular mounting blocks 401 are fixedly installed on the top of the insulating movable plate 203. The two circular connecting rods 402 are rotatably installed on the two triangular mounting blocks 401. The automatic protection plate 403 is fixedly installed outside the two circular connecting rods 402. The two linkage gears 404 are fixedly installed on the left and right ends of the two circular connecting rods 402 and are in meshing connection with the two linkage racks 207. When the front side of the U-shaped multifunctional frame 3051 contacts the back side of the insulating movable plate 203, the two linkage racks 207 drive the two linkage gears 404 to rotate by one quarter of a circle.

[0052] The specific action is that: because the two linkage racks 207 are fixedly installed on the top of the two L-shaped mounting frames 206, and the two linkage gears 404 are fixedly installed on the left and right ends of the circular connecting rod 402, and the two linkage gears 404 are meshed and connected with the two linkage racks 207, when the front side of the U-shaped multifunctional frame 3051 contacts the rear side of the insulating movable plate 203, the two linkage racks 207 drive the two linkage gears 404 to rotate by a quarter of a circle, so that the automatic protective plate 403 is in a vertical state, which blocks the cutting debris and cutting fluid, reduces the safety hidden danger, and also maintains the hygiene of the production area; when the output shaft of the linear electric cylinder 202 is retracted, the two linkage racks 207 drive the two linkage gears 404 to rotate reversely by a quarter of a circle, so that the automatic protective plate 403 is in a horizontal state, which is convenient for taking down the processed automobile universal joint and also facilitates the installation of the automobile universal joint.

[0053] The specific use mode and action of the embodiment are as follows:

[0054] When the application is used, first, the staff connects the rectangular positioning base 100 to the machine tool through the bolt, and then connects the automobile universal joint mold with the L-shaped stress plate A101 and the T-shaped stress plate B205 through the screw, when the output shaft of the linear motor cylinder 202 is stretched out, the insulating movable plate 203 drives the T-shaped stress plate B205 to move, so that the clamp on the L-shaped stress plate A101 and the T-shaped stress plate B205 contacts the automobile universal joint, when there is sundry on the automobile universal joint or the clamp, the sundry can push the T-shaped stress plate B205 to move under the support of the sundry, at this time, the metal conductive block B3054 can contact the metal conductive block A304, so that the positive pole of the rechargeable battery 302 and the buzzer 303 is connected, so that the staff can know that there is sundry on the automobile universal joint or the clamp through the alarm sound of the buzzer 303, when there is no sundry on the automobile universal joint or the clamp, there is always a gap between the metal conductive block B3054 and the metal conductive block A304, at this time, the buzzer 303 does not work, when the output shaft of the linear motor cylinder 202 continues to stretch out, the T-shaped stress plate B205 stops moving under the action of the automobile universal joint, the insulating movable plate 203 continues to move, so that the two spiral springs A209 are compressed, so that the clamp on the L-shaped stress plate A101 and the T-shaped stress plate B205 elastically contacts the automobile universal joint, and the clamping effect is guaranteed, so that the automobile universal joint is prevented from being clamped and damaged, when the clamp contacts the automobile universal joint, the output shaft of the linear motor cylinder 202 continues to stretch out, the insulating movable plate 203 and the metal conductive block A304 can extrude the metal conductive block B3054 to move, so that the insulating mounting rod 3053 rotates, and the buzzer 303 is prevented from working for a long time, when the U-shaped multifunctional frame 3051 contacts the insulating movable plate 203, the T-shaped stress plate B205 cannot move after being stressed, so that the automobile universal joint is positioned more stably, when the front side of the U-shaped multifunctional frame 3051 contacts the rear side of the insulating movable plate 203, the two linkage racks 207 drive the two linkage gears 404 to rotate by a quarter of a circle, so that the automatic protection plate 403 is in a vertical state, which blocks the cutting chips and cutting fluid, reduces the safety hidden danger, and maintains the hygiene of the production area, when the output shaft of the linear motor cylinder 202 is retracted, the two spiral springs B3057 can drive the metal conductive block B3054 to reset, at the same time, the two linkage racks 207 drive the two linkage gears 404 to reversely rotate by a quarter of a circle, so that the automatic protection plate 403 is in a horizontal state, which facilitates the removal of the machined automobile universal joint and facilitates the installation of the automobile universal joint.

[0055] In this paper, the following points need attention:

[0056] 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the usual design.

[0057] 2. Embodiments of the present disclosure and features in embodiments can be combined with each other to obtain new embodiments in the case of no conflict.

[0058] The above merely describes specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A positioning mechanism for machining of an automotive universal joint, comprising: Rectangular positioning base (100), universal joint positioning mechanism (200), sundry detection mechanism (300) and automatic protection mechanism (400); The top of the rectangular positioning base (100) is fixedly provided with an L-shaped stress plate A (101) through screws; characterized in that the universal joint positioning mechanism (200) is installed on the rectangular positioning base (100); the sundry detection mechanism (300) is installed on the universal joint positioning mechanism (200), and the sundry detection mechanism (300) is used for detecting whether sundries exist on the automobile universal joint or clamp, and the sundry detection mechanism (300) is also used for limiting the universal joint positioning mechanism (200); The automatic protection mechanism (400) is installed on the top of the universal joint positioning mechanism (200), and the automatic protection mechanism (400) is used for blocking cutting chips and cutting fluid; the universal joint positioning mechanism (200) comprises an insulation movable plate (203) and a T-shaped stress plate B (205); The sundry detection mechanism (300) comprises a rectangular protection plate (301), a rechargeable battery (302) and a buzzer alarm (303); the rectangular protection plate (301) is fixedly installed on the front side of the insulation movable plate (203); the rechargeable battery (302) is fixedly installed on the bottom of the rectangular protection plate (301); the buzzer alarm (303) is fixedly installed on the bottom of the rectangular protection plate (301), and the buzzer alarm (303) is located on the right side of the rechargeable battery (302), and the negative electrode of the buzzer alarm (303) is connected with the negative electrode of the rechargeable battery (302) through a wire; the sundry detection mechanism (300) further comprises a metal conductive block A (304) and a multifunctional unit (305); the metal conductive block A (304) is fixedly installed in the interior of the insulation movable plate (203), and the metal conductive block A (304) is connected with the positive electrode of the rechargeable battery (302) through a wire; the multifunctional unit (305) is installed on the front side of the T-shaped stress plate B (205); The multifunctional unit (305) comprises a U-shaped multifunctional frame (3051), a connecting rotating shaft (3052) and an insulating mounting rod (3053); the U-shaped multifunctional frame (3051) is fixedly installed on the front side of the T-shaped stress plate B (205), and two arc-shaped limiting slot holes (30511) are formed in the U-shaped multifunctional frame (3051); the connecting rotating shaft (3052) is rotatably installed on the U-shaped multifunctional frame (3051); the insulating mounting rod (3053) is fixedly installed on the outside of the connecting rotating shaft (3052); the multifunctional unit (305) further comprises a metal conductive block B (3054), an arc-shaped reset rod (3055), a circular limiting shaft (3056) and a spiral spring B (3057); the metal conductive block B (3054) is fixedly installed on the insulating mounting rod (3053), and the metal conductive block B (3054) is connected with the positive electrode of the bee buzzing alarm (303) through a wire, and a gap exists between the metal conductive block B (3054) and the metal conductive block A (304); the arc-shaped reset rod (3055) is provided in two, and the two arc-shaped reset rods (3055) are fixedly installed in the two arc-shaped limiting slot holes (30511); the circular limiting shaft (3056) is fixedly installed on the insulating mounting rod (3053), the circular limiting shaft (3056) is inserted into the two arc-shaped limiting slot holes (30511), and the circular limiting shaft (3056) is further in sliding connection with the two arc-shaped reset rods (3055); the spiral spring B (3057) is provided in two, and the two spiral springs B (3057) are sleeved on the outside of the two arc-shaped reset rods (3055), and the two spiral springs B (3057) are located on the right side of the circular limiting shaft (3056).

2. The positioning mechanism for machining of a universal joint of a vehicle according to claim 1, characterized in that, The gimbal positioning mechanism (200) further comprises an L-shaped mounting seat (201) and a linear electric cylinder (202); the L-shaped mounting seat (201) is fixedly installed on the front side of the rectangular positioning base (100) through screws; the linear electric cylinder (202) is fixedly installed on the L-shaped mounting seat (201); the insulating movable plate (203) is slidingly installed on the rectangular positioning base (100), and the insulating movable plate (203) is further fixedly connected with the output shaft of the linear electric cylinder (202).

3. The positioning mechanism for machining of a universal joint of a vehicle according to claim 2, characterized in that, The gimbal positioning mechanism (200) further comprises a circular guide rod (204) and an L-shaped mounting frame (206); the circular guide rod (204) is provided in two, and the two circular guide rods (204) are slidingly installed on the insulating movable plate (203); the T-shaped stress plate B (205) is fixedly installed on the rear side of the two circular guide rods (204); the L-shaped mounting frame (206) is provided in two, and the two L-shaped mounting frames (206) are fixedly installed on the left and right sides of the T-shaped stress plate B (205).

4. The positioning mechanism for machining of a universal joint of a vehicle according to claim 3, characterized in that, The gimbaling positioning mechanism (200) further comprises linkage racks (207), limiting rings (208) and spiral springs A (209); the linkage racks (207) are two in total and are fixedly installed on the top of the two L-shaped mounting frames (206); the limiting rings (208) are two in total and are fixedly installed on the front end of the two circular guide rods (204), and the rear side of the two limiting rings (208) is in contact with the front side of the insulating movable plate (203); the spiral springs A (209) are two in total and are sleeved on the outside of the two circular guide rods (204), and the two ends of the two spiral springs A (209) are connected with the insulating movable plate (203) and the T-shaped stress plate B (205).

5. The positioning mechanism for machining of a universal joint of a vehicle according to claim 4, wherein The automatic protection mechanism (400) comprises triangular mounting blocks (401) and circular connecting rods (402); the triangular mounting blocks (401) are two in total and are fixedly installed on the top of the insulating movable plate (203); the circular connecting rods (402) are rotatably installed on the two triangular mounting blocks (401).

6. The positioning mechanism for machining of a universal joint of a vehicle according to claim 5, wherein The automatic protection mechanism (400) further comprises automatic protection plates (403) and linkage gears (404); the automatic protection plates (403) are fixedly installed on the outside of the circular connecting rods (402); the linkage gears (404) are two in total and are fixedly installed on the left and right ends of the circular connecting rods (402), and the two linkage gears (404) are in meshing connection with the two linkage racks (207); when the front side of the U-shaped multifunctional frame (3051) is in contact with the rear side of the insulating movable plate (203), the two linkage racks (207) drive the two linkage gears (404) to rotate by one quarter of a circle.

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