Nozzle dismounting device

Abstract

The utility model discloses a nozzle dismounting device which comprises a box body, a middle section partition plate is fixedly arranged in the box body, and through grooves are formed in the middle section partition plate and a bottom plate of the box body. The dismounting mechanism is rotationally connected into the through groove and comprises a sleeve, a nozzle clamping jaw and a driving gear, the nozzle clamping jaw is hinged to the circumferential surface of the sleeve, and the driving gear is installed between the middle partition plate and the bottom plate; convex teeth are arranged on the nozzle clamping jaw, and the convex teeth are fixedly connected to the top of the nozzle clamping jaw; the nozzle clamping jaw is arranged in the sleeve, the nozzle can be automatically clamped when the mechanical arm controls the nozzle to move downwards, meanwhile, due to the fact that the convex teeth are formed at the upper end of the nozzle clamping jaw, the clamping stability of the nozzle can be improved, and the situation that when the nozzle is disassembled, the nozzle clamping jaw and the sleeve rotate synchronously, and consequently the nozzle cannot be disassembled is avoided; the jacking mechanism is arranged at the bottom of the dismounting mechanism and used for assisting in dismounting of the nozzle.

Description

Technical Field

[0001] The utility model belongs to the technical field of nozzle disassembly, and particularly relates to a nozzle disassembly device. Background Art

[0002] In mechanized welding, the conductive nozzle needs to be disassembled. Before disassembling the conductive nozzle, the nozzle needs to be disassembled. The existing nozzle disassembly device has low clamping stability for the nozzle, which makes it difficult to disassemble the nozzle. At the same time, the disassembly of the nozzle takes a long time and the disassembly efficiency is low. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the purpose of the present invention is to provide a nozzle disassembly device.

[0004] The technical solution adopted by the present utility model includes:

[0005] The box body has a middle partition fixedly provided inside, and the middle partition and the bottom plate of the box body are provided with through grooves;

[0006] The disassembly mechanism is rotatably connected in the through slot and includes a sleeve, a nozzle clamp and a drive gear. The nozzle clamp is hingedly connected to the circumference of the sleeve, and the drive gear is installed between the middle partition and the bottom plate. The nozzle clamp is provided with a convex tooth, which is fixedly connected to the top of the nozzle clamp.

[0007] The lifting mechanism is fixedly mounted on a side of the bottom plate away from the middle partition plate, and comprises a telescopic cylinder, an output end of which is connected to the bottom of the sleeve, for driving the sleeve to move up and down in the box.

[0008] As a preferred embodiment of the present invention, the disassembly mechanism further includes:

[0009] A limiting ring is installed on the top of the through groove of the bottom plate and is fixedly connected to the middle partition plate, and the sleeve passes through the limiting ring;

[0010] A return spring is sleeved on the circumferential surface of the sleeve, with its upper end abutting against the top of the sleeve and its lower end abutting against the upper end surface of the limiting ring;

[0011] a first bearing, located on one side of the limiting ring, with its circumference fixedly connected to the middle partition, and the first bearing being spline-connected to the sleeve;

[0012] The circumference of the second bearing is fixedly connected to the base plate, and the second bearing is spline-connected to the sleeve.

[0013] As a preferred embodiment of the present invention, a limit plate is provided at each end of the driving gear, the limit plate is sleeved on the sleeve, and is located between the first bearing and the second bearing, for limiting the installation of the first bearing, the first bearing and the driving gear on the housing.

[0014] As a preferred embodiment of the present invention, a sliding groove is provided on the circumferential surface of the sleeve, a sliding block is fixedly provided on the inner side of the driving gear, and the sliding block is slidably connected to the sliding groove.

[0015] As a preferred embodiment of the present invention, the nozzle clamp includes:

[0016] The bottom of the clamping jaw body is formed with an abutment portion, and the abutment portion is bent toward one side of the sleeve along the length direction of the clamping jaw body;

[0017] A hinge shaft is fixedly connected to the middle of the clamp body; a clamp mounting groove is provided on the circumference of the sleeve, and the clamp body is rotatably connected to the clamp mounting groove via the hinge shaft;

[0018] The convex teeth are fixedly connected to the top of the clamping jaw body.

[0019] As a preferred embodiment of the present invention, a plurality of the clamping jaw installation grooves are provided along the circumferential surface of the sleeve, and one of the nozzle clamping jaws is installed in each of the clamping jaw installation grooves.

[0020] As a preferred embodiment of the present invention, a limiting step is formed inside the sleeve, a lifting block is provided on one side of the limiting step, an abutment block is provided on one side of the lifting block, the abutment block and the lifting block are slidably connected in the sleeve, a buffer spring is sleeved on the lifting block, one end of the buffer spring abuts against the limiting step, and the other end abuts against the abutment block.

[0021] As a preferred embodiment of the present invention, the telescopic cylinder is fixedly connected to the base plate via a mounting base, and the output end of the telescopic cylinder is connected to an end of the abutment block away from the lifting block.

[0022] The beneficial effects of the utility model are:

[0023] The utility model is a nozzle disassembly device. A nozzle clamp is provided in the sleeve. When the robot arm controls the nozzle to move downward, the nozzle can be automatically clamped. At the same time, since the upper end of the nozzle clamp is formed with convex teeth, the stability of the nozzle holding can be improved, and the nozzle can be prevented from being unable to be disassembled due to synchronous rotation with the sleeve when the nozzle is disassembled. A lifting mechanism is provided at the bottom of the disassembly mechanism, and the lifting mechanism is used to assist in the disassembly of the nozzle. At the same time, the sleeve can be driven to move up and down on the box body, so as to shorten the time required for the nozzle to be clamped in the sleeve. At the same time, when the nozzle is disassembled, the required moving stroke is provided for the robot arm and the nozzle to move away from each other, so as to meet the requirements of nozzle disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0025] Figure 1 It is a structural diagram of the utility model;

[0026] Figure 2 It is a structural diagram of the disassembly mechanism and the lifting mechanism of the utility model;

[0027] Figure 3 It is a structural diagram of the disassembly mechanism of the utility model;

[0028] Figure 4 It is a partial structural diagram of the disassembly mechanism of the utility model;

[0029] Figure 5 This utility model Figure 3 Schematic diagram of the explosion structure;

[0030] Figure 6 This utility model Figure 1 A schematic diagram of a front cross-sectional structure;

[0031] Figure 7 This utility model Figure 6 A schematic diagram of the enlarged structure at point A;

[0032] Figure 8 It is a structural schematic diagram of the nozzle clamping jaw of the utility model.

[0033] In the figure: 1. Box body; 2. Disassembly mechanism; 3. Lifting mechanism; 4. Nozzle; 11. Middle partition; 12. Bottom plate; 21. Sleeve; 22. Nozzle clamp; 23. Return spring; 24. Driving gear; 25. Limiting ring; 26. First bearing; 27. Second bearing; 28. Limiting plate; 31. Abutment block; 32. Lifting block; 33. Telescopic cylinder; 34. Buffer spring; 211. Clamp mounting groove; 212. Sliding groove; 213. Limiting step; 221. Protruding tooth; 222. Abutment portion; 223. Articulated shaft; 224. Clamp body; 241. Slider. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention. That is, the embodiments described herein are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein can be arranged and designed in a variety of different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0036] The following combination Figure 1-8 The specific embodiment of the present invention is described as follows: a nozzle disassembly device comprising:

[0037] The box body 1 is fixedly provided with a middle partition 11 inside. The middle partition 11 and the bottom plate 12 of the box body 1 are provided with through grooves. The through grooves on the middle partition 11 and the bottom plate 12 are of the same size and are located on the same vertical axis.

[0038] The disassembly mechanism 2 is rotatably connected in the through slot. The disassembly mechanism 2 clamps the nozzle 4 and then rotates the nozzle 4 in the through slot to realize the disassembly of the nozzle 4. The disassembly mechanism 2 includes a sleeve 21, a nozzle clamping claw 22 and a driving gear 24. The nozzle clamping claw 22 is hingedly connected to the circumference of the sleeve 21. The driving gear 24 is installed between the middle partition 11 and the bottom plate 12. The interior of the sleeve 21 provides space for clamping and rotating the nozzle 4. The nozzle clamping claw 22 provides a clamping force when clamping the nozzle 4. To prevent the clamped nozzle 4 from rotating with the inner wall of the sleeve 21, the driving gear 24 is used to engage with the transmission member to realize the rotation of the sleeve 21. While the nozzle 4 rotates synchronously with the sleeve 21, since the two remain relatively stationary, the threaded removal of the nozzle 4 on the robotic arm is finally realized; the nozzle clamping jaw 22 is provided with a convex tooth 221, which is fixedly connected to the top of the nozzle clamping jaw 22. The convex tooth 221 protrudes toward the inside of the sleeve 21, so that the nozzle clamping jaw 22 improves the clamping force of the nozzle 4 when clamping the nozzle 4;

[0039] The lifting mechanism 3 is fixedly mounted on the side of the bottom plate 12 away from the middle partition 11. The lifting mechanism 3 is used to lift the bottom of the disassembly mechanism 2. On the one hand, it adapts to the disassembly of nozzles 4 of different sizes. On the other hand, through the setting of the program, the time for positioning and sleeve connection between the nozzle 4 and the sleeve 21 is shortened by lifting the disassembly mechanism 2, thereby improving the disassembly efficiency of the nozzle 4. The lifting mechanism 3 includes a telescopic cylinder 33. The output end of the telescopic cylinder 33 is connected to the bottom of the sleeve 21, which is used to drive the sleeve 21 to move up and down in the box 1. The telescopic cylinder 33 serves as a driving part of the lifting mechanism 3 to drive the disassembly mechanism 2 to move up and down on the box 1, so as to realize the rapid contact of the sleeve 21 with the nozzle 4 and the clamping after contact.

[0040] Please refer to Figure 2-6 As shown, the disassembly mechanism 2 further includes:

[0041] A limiting ring 25 is installed at the top of the through groove on the bottom plate 12 and is fixedly connected to the middle partition plate 11. The sleeve 21 passes through the limiting ring 25. The limiting ring 25 is used to limit the installation of the sleeve 21;

[0042] The return spring 23 is sleeved on the circumference of the sleeve 21, with its upper end abutting against the top of the sleeve 21 and its lower end abutting against the upper end surface of the limit ring 25. When the robotic arm controls the sleeve 21 to move downward, the return spring 23 is compressed and stores elastic potential energy while the sleeve 21 moves downward. When the robotic arm moves upward, the return spring 23 realizes the reset of the sleeve 21 and controls the maximum upward travel of the sleeve 21.

[0043] The first bearing 26 is located on one side of the limiting ring 25, and its circumference is fixedly connected to the middle partition 11. The first bearing 26 is spline-connected to the sleeve 21. The first bearing 26 is located on the middle partition 11, its inner ring is spline-connected to the sleeve 21, and its outer ring is fixedly connected to the middle partition 11. The first bearing 26 reduces the torque required for the disassembly mechanism 2 to rotate;

[0044] The second bearing 27 has its circumferential surface fixedly connected to the base plate 12. The second bearing 27 is spline-connected to the sleeve 21. The principle of the second bearing 27 is consistent with that of the first bearing 26. The inner ring of the second bearing 27 is spline-connected to the sleeve 21, and the outer ring is fixedly connected to the base plate 12. The second bearing 27 effectively reduces the torque required for the disassembly mechanism 2 to rotate on the base plate 12.

[0045] Please refer to Figure 6 As shown, both ends of the driving gear 24 are respectively provided with a limit plate 28, which is sleeved on the sleeve 21 and located between the first bearing 26 and the second bearing 27, for limiting the installation of the first bearing 26, the first bearing 26 and the driving gear 24 on the box body 1, and the upper and lower ends of the driving gear 24 are provided with a limit plate 28, the limit plate 28 at the top of the driving gear 24 is located between the lower end of the middle partition 11 and the top of the driving gear 24, and the limit plate 28 at the lower end of the driving gear 24 is located between the bottom plate 12 and the driving gear 24 to limit the position of the driving gear 24 so that it can only rotate on the box body 1. At the same time, since a slider 241 is provided inside the driving gear 24, the slider 241 is slidably connected to the sliding groove 212 opened on the sleeve 21, so that the sleeve 21 can slide up and down along the slider 241 through the sliding groove 212 opened thereon. At the same time, the driving gear 24 can rotate synchronously with the sleeve 21 under the action of the slider 241.

[0046] Please refer to Figure 4 As shown, a sliding groove 212 is provided on the circumference of the sleeve 21, and a slider 241 is fixedly provided on the inner side of the driving gear 24. The slider 241 is slidably connected with the sliding groove 212, so that the sleeve 21 can move up and down along the sliding groove 212 by utilizing the sliding groove 212 provided on its circumference. At the same time, synchronous rotation with the driving gear 24 is achieved, and the pair of nozzles 4 can be disassembled by rotating the sleeve 21.

[0047] Please refer to Figure 8 As shown, the nozzle clamp 22 includes:

[0048] The jaw body 224; abutment portion 222 is formed at the bottom thereof, and the abutment portion 222 is bent toward the side of the sleeve 21 along the length direction of the jaw body 224. The lower end of the jaw body 224 forms a curved structure, which realizes the clamping of the nozzle 4 when clamping the nozzle 4. When the nozzle 4 is disassembled, the lower end of the nozzle 4 first contacts the nozzle 4. When the nozzle 4 continues to move downward, the lower end bending portion of the jaw body 224 drives the jaw body 224 to rotate, so that the top of the jaw body 224 clamps the nozzle 4. In addition, the convex teeth 221 can improve the stability of the nozzle 4 clamped in the sleeve 21.

[0049] The hinge shaft 223 is fixedly connected to the middle of the clamp body 224; the circumference of the sleeve 21 is provided with a clamp mounting groove 211, and the clamp body 224 is rotatably connected to the clamp mounting groove 211 via the hinge shaft 223, and the hinge shaft 223 serves as the rotation hinge point of the clamp body 224;

[0050] The protruding teeth 221 are fixedly connected to the top of the clamp body 224 to improve the stability of the nozzle clamp 22 in clamping the nozzle 4 .

[0051] Please refer to Figure 7 As shown, a plurality of the clamp mounting grooves 211 are provided along the circumference of the sleeve 21, and a nozzle clamp 22 is installed in each of the clamp mounting grooves 211. The plurality of nozzle clamps 22 are preferably distributed in a circular array along the end face of the sleeve 21 to achieve uniform clamping of the nozzle 4 at different positions.

[0052] Please refer to Figure 6-7 As shown, a limiting step 213 is formed inside the sleeve 21, and a lifting block 32 is provided on one side of the limiting step 213, and an abutting block 31 is provided on one side of the lifting block 32. The abutting block 31 and the lifting block 32 are slidably connected in the sleeve 21, and a buffer spring 34 is sleeved on the lifting block 32. One end of the buffer spring 34 abuts against the limiting step 213, and the other end abuts against the abutting block 31. The limiting step 213 is used to limit the buffer spring 34, on the one hand, to provide a buffering force for the sudden work of the telescopic cylinder 33, and at the same time to reset the lifting block 32 and the abutting block 31.

[0053] Please refer to Figure 7-8As shown, the telescopic cylinder 33 is fixedly connected to the base plate 12 through a mounting seat, and the output end of the telescopic cylinder 33 is connected to the end of the abutment block 31 away from the lifting block 32, and one end of the abutment block 31 abuts against the output end of the telescopic cylinder 33, so that the telescopic cylinder 33 drives the abutment block 31 to move up and down, and the movement of the abutment block 31 synchronously drives the lifting block 32 to move up and down. Since the top of the lifting block 32 abuts against the inside of the sleeve 21, the telescopic cylinder 33 can drive the sleeve 21 to slide up and down, so as to adjust the height of the sleeve 21 on the box body 1 to adapt to the downward movement distance of different robotic arms and the size requirements of different nozzles 4. The nozzle 4 can be quickly clamped in the sleeve 21 by controlling the downward movement of the robotic arm and driving the upward movement of the sleeve 21 by the telescopic cylinder 33, thereby effectively shortening the time required for disassembly of the nozzle 4.

[0054] The working principle of this utility model:

[0055] The robotic arm controls the movement of the nozzle 4 and moves the nozzle 4 to the top of the device. The robotic arm moves downward. At the same time, the telescopic cylinder 33 can be controlled to move upward to quickly move the nozzle 4 into the sleeve 21. After the nozzle 4 moves into the sleeve 21, it is clamped by the nozzle clamp 22 so that the sleeve 21 and the nozzle 4 remain relatively stationary. At this time, since the driving gear 24 is engaged with the output end of the driving component, the rotation of the driving gear 24 drives the sleeve 21 to rotate synchronously with it, and the rotation of the sleeve 21 causes the nozzle 4 to rotate synchronously with it. Since the robotic arm remains stationary, the nozzle 4 is threadedly disassembled on the robotic arm under the action of the rotation of the sleeve 21.

[0056] The output end of the telescopic cylinder 33 can drive the abutment block 31 to move up and down, and the movement of the abutment block 31 forces the jacking block 32 and the sleeve 21 to move up and down synchronously. Since the circumference of the sleeve 21 is provided with a sliding groove 212, the driving gear 24 is provided with a slider 241 that slides with the sliding groove 212. Therefore, the driving gear 24 is spline-connected with the sleeve 21. Among them, the first bearing 26 and the second bearing 27 for limiting the driving gear 24 installed on the box body 1 are similarly spline-connected. The first bearing 26 and the second bearing 27 limit the driving gear 24 to between the middle partition 11 and the bottom plate 12, thereby preventing the driving gear 24 from moving up and down; when the sleeve 21 is driven to move by the telescopic cylinder 33, on the one hand, it can shorten the clamping of the sleeve 21 on the nozzle 4. At the same time, since the mutual concrete between the mechanical arm and the nozzle 4 gradually increases during the threaded disassembly process, the telescopic cylinder 33 drives the sleeve 21 to move up, providing a disassembly stroke for the disassembly of the nozzle 4, thereby realizing the disassembly of the nozzle 4;

[0057] Among them, when the nozzle clamping jaw 22 clamps the nozzle 4, the hinge shaft 223 in the middle of the nozzle clamping jaw 22 is rotatably connected with the clamping jaw mounting groove 211, so that the nozzle clamping jaw 22 is rotatably connected to the clamping jaw mounting groove 211 along the hinge shaft 223. Since the bottom wall of the clamping jaw body 224 forms an abutment portion 222, after the sleeve 21 contacts the nozzle 4, the bottom of the nozzle 4 contacts the abutment portion 222, and the clamping jaw body 224 is forced to rotate along the hinge shaft 223 under the action of the abutment portion 222 during the downward movement of the nozzle 4. The top of the clamping jaw body 224 clamps the circumference of the nozzle 4. Since the circumference of the sleeve 21 is provided with multiple nozzle clamping jaws 22, at the same time, the top of the clamping jaw body 224 is formed with convex teeth 221. The convex teeth 221 can improve the clamping stability of the nozzle 4, so that when the nozzle 4 is disassembled, the sleeve 21 and the nozzle 4 remain relatively still, thereby realizing the disassembly of the nozzle 4. At the same time, the disassembly mechanism 2 is equipped with a return spring 23 and a buffer spring 34, which can provide a buffer for the disassembly of the nozzle 4 and avoid being crushed under the instantaneous strong downward pressure.

[0058] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0059] The above content is merely an example and explanation of the structure of the present utility model. Technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims of this application, they should all fall within the scope of protection of the present utility model.

Claims

1. A nozzle disassembly device, characterized in that: include: The box body (1) is fixedly provided with a middle partition (11) inside, and the middle partition (11) and the bottom plate (12) of the box body (1) are provided with through grooves; The disassembly mechanism (2) is rotatably connected in the through groove and comprises a sleeve (21), a nozzle clamp (22) and a driving gear (24); the nozzle clamp (22) is hingedly connected to the circumference of the sleeve (21); the driving gear (24) is installed between the middle partition (11) and the bottom plate (12); the nozzle clamp (22) is provided with a convex tooth (221), and the convex tooth (221) is fixedly connected to the top of the nozzle clamp (22); A lifting mechanism (3) is fixedly mounted on a side of the bottom plate (12) away from the middle partition plate (11), and comprises a telescopic cylinder (33), the output end of which is connected to the bottom of the sleeve (21) for driving the sleeve (21) to move up and down in the box (1); A limiting step (213) is formed inside the sleeve (21), a lifting block (32) is provided on one side of the limiting step (213), an abutting block (31) is provided on one side of the lifting block (32), the abutting block (31) and the lifting block (32) are slidably connected in the sleeve (21), a buffer spring (34) is sleeved on the lifting block (32), one end of the buffer spring (34) abuts against the limiting step (213), and the other end abuts against the abutting block (31).

2. A nozzle disassembly device according to claim 1, characterized in that: The disassembly mechanism (2) further comprises: A limiting ring (25) is installed at the top of the through groove on the bottom plate (12) and is fixedly connected to the middle partition plate (11), and the sleeve (21) passes through the limiting ring (25); A return spring (23) is sleeved on the circumferential surface of the sleeve (21), with its upper end abutting against the top of the sleeve (21) and its lower end abutting against the upper end surface of the limiting ring (25); A first bearing (26) is located on one side of the limiting ring (25), and its circumference is fixedly connected to the middle partition (11), and the first bearing (26) is spline-connected to the sleeve (21); The circumference of the second bearing (27) is fixedly connected to the base plate (12), and the second bearing (27) is spline-connected to the sleeve (21).

3. The nozzle disassembly device according to claim 2, characterized in that: A limiting piece (28) is provided at each end of the driving gear (24). The limiting piece (28) is sleeved on the sleeve (21) and is located between the first bearing (26) and the second bearing (27), and is used to limit the installation of the first bearing (26) and the driving gear (24) on the housing (1).

4. The nozzle disassembly device according to claim 3, characterized in that: A sliding groove (212) is provided on the circumferential surface of the sleeve (21), a sliding block (241) is fixedly provided on the inner side of the driving gear (24), and the sliding block (241) is slidably connected to the sliding groove (212).

5. The nozzle disassembly device according to claim 1, characterized in that: The nozzle clamp (22) comprises: A clamping jaw body (224); a bottom portion thereof forms an abutting portion (222), and the abutting portion (222) is bent toward one side of the sleeve (21) along the length direction of the clamping jaw body (224); A hinge shaft (223) is fixedly connected to the middle of the clamp body (224); a clamp mounting groove (211) is provided on the circumference of the sleeve (21), and the clamp body (224) is rotatably connected to the clamp mounting groove (211) via the hinge shaft (223); The protruding teeth (221) are fixedly connected to the top of the clamping jaw body (224).

6. The nozzle disassembly device according to claim 5, characterized in that: A plurality of the clamping jaw installation grooves (211) are provided along the circumference of the sleeve (21), and a nozzle clamping jaw (22) is installed in each of the clamping jaw installation grooves (211).

7. The nozzle disassembly device according to claim 6, characterized in that: The telescopic cylinder (33) is fixedly connected to the base plate (12) via a mounting seat, and the output end of the telescopic cylinder (33) is connected to an end of the abutment block (31) away from the lifting block (32).

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