CN210549087U - Cylinder barrel spin welding mechanism - Google Patents
Cylinder barrel spin welding mechanism Download PDFInfo
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- CN210549087U CN210549087U CN201921327227.1U CN201921327227U CN210549087U CN 210549087 U CN210549087 U CN 210549087U CN 201921327227 U CN201921327227 U CN 201921327227U CN 210549087 U CN210549087 U CN 210549087U
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Abstract
The utility model relates to the technical field of welding devices, in particular to a rotary welding mechanism for a cylinder barrel, which is used for welding a connector at the end part of the cylinder barrel and comprises a fixed seat fixed on a frame, a driving roller rotatably arranged on the fixed seat, a movable seat opposite to the fixed seat and a pinch roller rotatably arranged on the movable seat; the utility model discloses utilize side to compress tightly power device and fix a position the cylinder in the centre gripping district of cylinder, and make it rotate along with the drive roll in the lump under rotary power device's drive, thereby realize that welder welds around the outer peripheral face of cylinder relatively, meanwhile, first power device also can make connector and cylinder laminate more, avoid appearing the condition that the equipment is not in place between connector and the cylinder, and then realize the accurate automatic weld of connector on the cylinder, ensure to have higher welding quality between cylinder and the connector, the effectual hourglass of having avoided welds, weld askew condition emergence, and by a wide margin improvement welding efficiency, the cost of labor has also been practiced thrift to the while.
Description
Technical Field
The utility model belongs to the technical field of the welding set technique and specifically relates to a cylinder spin welding mechanism.
Background
The gas spring mainly comprises a cylinder barrel, a piston rod and the like, wherein a connector for plugging the tail end of the cylinder barrel needs to be welded at an opening at the tail end of the cylinder barrel after the cylinder barrel is formed; at present, what the cylinder generally adopted when welded joint was that artifical handheld welding tool welds around the cylinder to this forms the round welding seam between connector and cylinder, with connector welded fastening on the cylinder, however when artifical handheld welding tool carries out welded joint to the cylinder, can be frequent appear leak weld, weld askew condition, lead to the welding quality of cylinder and connector to obtain the assurance, and production efficiency is low, can't adapt to the requirement of mass production.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problems that welding quality of a cylinder barrel and a connector cannot be guaranteed due to frequent welding missing and askew welding when the cylinder barrel is welded manually in the prior art, production efficiency is low, and batch production requirements cannot be met, a rotary welding mechanism for the cylinder barrel is provided.
The utility model provides a technical scheme that its technical problem adopted is: a cylinder barrel rotary welding mechanism is used for welding a connector at the end part of a cylinder barrel and comprises a fixed seat fixed on a rack, a driving roller rotatably installed on the fixed seat, a movable seat opposite to the fixed seat and a pinch roller rotatably installed on the movable seat; the rack is provided with a rotary power device for driving the driving roller to rotate and a lateral pressing power device for driving the movable seat to move close to or away from the fixed seat;
the driving rollers and the pressing wheels are arranged in parallel, the sum of the number of the driving rollers and the number of the pressing wheels is more than or equal to three, a clamping area for clamping the cylinder barrel is enclosed among all the driving rollers and the pressing wheels, and a welding gun aligned with the clamping area is arranged on the rack;
the top pressing shaft is arranged above the clamping area, a first power device used for driving the top pressing shaft to ascend or descend is arranged on the rack, and the top pressing shaft is rotatably installed on the first power device.
In the embodiment, a driving roller and a pressing wheel are separately designed, so that the cylinder barrel is placed in the clamping area, then the movable seat is driven to approach the fixed seat through the lateral pressing power device, the pressing wheel on the movable seat is used for pressing the cylinder barrel in the clamping area onto the driving roller of the fixed seat, the cylinder barrel and the pressing wheel rotate along with the driving roller when the rotary power device drives the driving roller to rotate, relative rotation can be formed between the cylinder barrel and the welding gun, the welding gun is welded around the outer peripheral surface of the cylinder barrel, a circle of welding seam is formed between the connector and the cylinder barrel, after the cylinder barrel is pressed by the pressing wheel and the driving roller, the first power device can drive the top pressing shaft to press the connector onto the cylinder barrel, the connector is attached to the cylinder barrel, the situation that the connector is not assembled in place between the connector and the cylinder barrel is avoided, and accurate automatic welding of the connector onto the cylinder barrel is realized, welding quality is high, the condition that welding leakage and welding are askew is effectively avoided, welding efficiency is greatly improved, and labor cost is saved.
In the process of pressing the connector on the cylinder barrel by the top pressing shaft, if the clamping force of the driving roller and the pressing wheel to the cylinder barrel is small, the situation that the cylinder barrel moves downwards easily occurs, the to-be-welded position between the cylinder barrel and the connector moves downwards relative to a welding gun, and therefore the welding position is deviated, although the problem can be solved by increasing the clamping force of the driving roller and the pressing wheel to the cylinder barrel, if the clamping force is too large, the cylinder barrel is easy to deform;
in view of this, further, a bottom pressing shaft is arranged below the clamping area, a second power device for driving the bottom pressing shaft to ascend or descend is arranged on the rack, and the bottom pressing shaft is rotatably mounted on the second power device; the design that the bottom pressing shaft supports the cylinder barrel positioned in the clamping area can effectively solve the problem that the cylinder barrel moves down when being pressed by the top pressing shaft.
Furthermore, the first power device comprises a top pressing cylinder with a downward extending end and a top connecting sleeve, the cylinder body of the top pressing cylinder is relatively fixed on the rack, the top connecting sleeve is fixed on the extending end of the top pressing cylinder, and the top pressing shaft is rotatably arranged in the top connecting sleeve and axially positioned in the top connecting sleeve; thereby utilize the top to compress tightly the cylinder and drive the top compressing shaft and descend to the connector of cylinder to compress tightly the connector and fix on the cylinder, can improve welding quality, compress tightly the cylinder through the top after the welding is accomplished and drive the top compressing shaft and rise, remove compressing tightly to the connector, so that shift the cylinder after accomplishing the welding.
Furthermore, the second power device comprises a bottom pressing cylinder with an upward extending end and a bottom connecting sleeve, the cylinder body of the bottom pressing cylinder is relatively fixed on the frame, the bottom connecting sleeve is fixed on the extending end of the bottom pressing cylinder, and the bottom pressing shaft is rotatably arranged in the bottom connecting sleeve and axially positioned in the bottom connecting sleeve; thereby can specifically compress tightly the flexible of cylinder through the bottom to the altitude mixture control who drives bottom compress tightly the axle is realized.
Furthermore, an electric push rod is fixed on the rack, and the output end of the electric push rod is fixedly connected with a cylinder body of the bottom pressing cylinder; the combination of the electric push rod and the bottom pressing cylinder can effectively improve the stroke of the vertical displacement of the bottom pressing shaft, so that the cylinder barrel can be more widely adapted to cylinder barrels with different heights.
Furthermore, a welding gun mounting assembly is arranged on the rack and comprises a welding gun moving cylinder, a mounting seat and a clamping block, the welding gun moving cylinder is fixed on the rack, the mounting seat is arranged on the rack in a sliding mode along the telescopic direction of the welding gun moving cylinder, the extending end of the welding gun moving cylinder is fixedly connected with the mounting seat, the clamping block is fixed on the mounting seat, and the welding gun is clamped between the mounting seat and the clamping block; thereby facilitating the adjustment of the position and angle of the welding gun.
Furthermore, the rotary power device comprises a motor, a driving wheel and a driven wheel, the motor is fixed on the frame, the driving wheel is fixedly connected with a main shaft of the motor, the fixed seat is rotatably connected with a transmission shaft, the driven wheel is fixedly connected with the transmission shaft, the driving wheel is in transmission connection with the driven wheel through a belt, and the transmission shaft is in transmission connection with the driving roller;
furthermore, the lateral pressing power device comprises a lateral pressing cylinder, a cylinder body of the lateral pressing cylinder is fixed on the rack, and the movable seat is fixed on an extending end of the lateral pressing cylinder.
The utility model has the advantages that: the utility model discloses a spin welding mechanism utilizes side to compress tightly power device and fixes a position the cylinder in the centre gripping district of cylinder, and make it rotate along with the drive roll in the lump under the drive of spin power device, thereby realize that welder welds around the outer peripheral face of cylinder relatively, and form the round welding seam between connector and cylinder, meanwhile, first power device also can make connector and cylinder laminate more, avoid appearing the condition that the equipment is not in place between connector and the cylinder, and then realize welding the accurate automatic welding of connector on the cylinder, ensure to have higher welding quality between cylinder and the connector, the effectual hourglass of having avoided welds, weld askew condition emergence, and by a wide margin improved welding efficiency, the cost of labor has also been practiced thrift to the while.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a three-dimensional schematic view of a rotary welding mechanism for a cylinder barrel according to the present invention;
FIG. 2 is an enlarged partial schematic view of A of FIG. 1;
FIG. 3 is a schematic view of the driving roller and the pinch roller of the present invention;
FIG. 4 is a schematic cross-sectional view of the rotary welding mechanism of the cylinder barrel of the present invention;
fig. 5 is a partially enlarged schematic view of B in fig. 3.
In the figure: 1. the welding gun clamping device comprises a fixed seat, 2, a driving roller, 3, a movable seat, 4, a pressing wheel, 5, a clamping area, 6, a welding gun, 7, a top pressing shaft, 8, a bottom pressing shaft, 9, a top pressing cylinder, 10, a rack, 11, a top connecting sleeve, 12, a bottom pressing cylinder, 13, a bottom connecting sleeve, 14, an electric push rod, 15, a welding gun moving cylinder, 16, a mounting seat, 17, a clamping block, 18, a motor, 19, a driving wheel, 20, a driven wheel, 21, a belt, 22, a lateral pressing cylinder, 23, a transmission shaft, 24, a cylinder barrel, 24-1 and a connecting head.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-5, a cylinder barrel spin welding mechanism for welding a connector 24-1 at an end of a cylinder barrel 24 includes a fixed seat 1 fixed on a frame 10, a driving roll 2 rotatably mounted on the fixed seat 1, a movable seat 3 opposite to the fixed seat 1, and a pinch roller 4 rotatably mounted on the movable seat 3; a rotary power device for driving the driving roller 2 to rotate and a lateral pressing power device for driving the movable seat 3 to move close to or away from the fixed seat 1 are arranged on the frame 10;
the driving rollers 2 and the pressing wheels 4 are arranged in parallel, the sum of the number of the driving rollers 2 and the number of the pressing wheels 4 is more than or equal to three, a clamping area 5 for clamping a cylinder barrel 24 is enclosed between all the driving rollers 2 and the pressing wheels 4, and a welding gun 6 aligned with the clamping area 5 is arranged on the rack 10;
a top pressing shaft 7 is arranged above the clamping area 5, a first power device for driving the top pressing shaft 7 to ascend or descend is arranged on the rack 10, and the top pressing shaft 7 is rotatably installed on the first power device.
A bottom pressing shaft 8 is arranged below the clamping area 5, a second power device for driving the bottom pressing shaft 8 to ascend or descend is arranged on the rack 10, and the bottom pressing shaft 8 is rotatably arranged on the second power device;
the method specifically comprises the following steps: the cylinder barrel 24 positioned in the clamping area 5 is supported by the bottom pressing shaft 8, so that on one hand, the cylinder barrel 24 is prevented from moving downwards when the top pressing shaft 7 presses the connector 24-1 of the clamping area 5 on the cylinder barrel 24, and therefore the position to be welded between the cylinder barrel 24 and the connector 24-1 is prevented from moving downwards relative to the welding gun 6, and the welding gun 6 is ensured to accurately weld the connector 24-1 on the cylinder barrel 24; on the other hand, the positioning function can be realized, namely when the cylinder 24 is placed in the clamping area 5, the cylinder 24 can fall on the bottom pressing shaft 8, and the cylinder 24 is just at the height of the position to be welded; in addition, the height of the bottom pressing shaft 8 can be adjusted in real time according to the lengths of different cylinder barrels 24 by the aid of the second power device.
The first power device comprises a top pressing cylinder 9 with an downward extending end and a top connecting sleeve 11, the cylinder body of the top pressing cylinder 9 is relatively fixed on the frame 10, the top connecting sleeve 11 is fixed on the extending end of the top pressing cylinder 9, and the top pressing shaft 7 is rotatably arranged in the top connecting sleeve 11 and axially positioned in the top connecting sleeve 11; the top pressing cylinder 9 is used for driving the top pressing shaft 7 to descend to the connector 24-1 of the cylinder barrel 24, the connector 24-1 is pressed and fixed on the cylinder barrel 24, welding quality can be improved, after welding is completed, the top pressing shaft 7 is driven to ascend through the top pressing cylinder 9, pressing on the connector 24-1 is released, and the cylinder barrel 24 after welding is convenient to transfer;
in addition, the top pressing shaft 7 can be installed in the top connecting sleeve 11 through a bearing, the outer ring of the bearing is in interference fit with the inner wall of the top connecting sleeve 11, and the inner ring of the bearing is in interference fit with the top pressing shaft 7.
The second power device comprises a bottom pressing cylinder 12 with an upward extending end and a bottom connecting sleeve 13, the cylinder body of the bottom pressing cylinder 12 is relatively fixed on the frame 10, the bottom connecting sleeve 13 is fixed on the extending end of the bottom pressing cylinder 12, and the bottom pressing shaft 8 is rotatably arranged in the bottom connecting sleeve 13 and axially positioned in the bottom connecting sleeve 13; therefore, the height of the bottom pressing shaft 8 can be adjusted by stretching the bottom pressing cylinder 12;
specifically, the bottom hold-down shaft 8 may be installed in the bottom connection sleeve 13 through a bearing, an outer ring of the bearing is in interference fit with an inner wall of the bottom connection sleeve 13, and an inner ring of the bearing is in interference fit with the bottom hold-down shaft 8.
An electric push rod 14 is fixed on the frame 10, and the output end of the electric push rod 14 is fixedly connected with a cylinder body of the bottom pressing cylinder 12; the combination of the electric push rod 14 and the bottom pressing cylinder 12 can effectively improve the stroke of the vertical displacement of the bottom pressing shaft 8, so that the cylinder 24 with different heights can be more widely adapted.
A welding gun mounting assembly is arranged on the rack 10 and comprises a welding gun moving cylinder 15, a mounting seat 16 and a clamping block 17, the welding gun moving cylinder 15 is fixed on the rack 10, the mounting seat 16 is arranged on the rack 10 in a sliding mode along the telescopic direction of the welding gun moving cylinder 15, the extending end of the welding gun moving cylinder 15 is fixedly connected with the mounting seat 16, the clamping block 17 is fixed on the mounting seat 16, and the welding gun 6 is clamped between the mounting seat 16 and the clamping block 17;
wherein, the function of welder installation component is specifically expounded as follows: the welding gun 6 can be driven to move through the welding gun moving cylinder 15, so that the left and right positions of the welding gun 6 can be adjusted in real time, the welding gun 6 is clamped and installed between the installation seat 16 and the clamping block 17, the front and back positions and the inclination angle of the welding gun 6 can be adjusted when the clamping block 17 is loosened, and the welding gun 6 can be adjusted to be aligned with the welding position between the cylinder 24 and the connector 24-1 conveniently;
the clamp block 17 may be fixed to the mount 16 by a screw, so that the angle and the front-rear position of the welding torch 6 can be adjusted when the screw is loosened.
The rotary power device comprises a motor 18, a driving wheel 19 and a driven wheel 20, the motor 18 is fixed on the frame 10, the driving wheel 19 is fixedly connected with a main shaft of the motor 18, the fixed seat 1 is rotatably connected with a transmission shaft 23, the driven wheel 20 is fixedly connected with the transmission shaft 23, the driving wheel 19 is in transmission connection with the driven wheel 20 through a belt 21, and the transmission shaft 23 is in transmission connection with the driving roller 2; the lateral pressing power device comprises a lateral pressing cylinder 22, a cylinder body of the lateral pressing cylinder 22 is fixed on the rack 10, and the movable seat 3 is fixed on an extending end of the lateral pressing cylinder 22.
The two driving rollers 2 and the two pressing wheels 4 can be arranged, the outer peripheral surface of the transmission shaft 23 can be meshed with the outer peripheral surfaces of the two driving rollers 2 at the same time, so that the transmission shaft 23 drives the two driving rollers 2 to rotate, when the lateral pressing cylinder 22 drives the movable seat 3 to approach the fixed seat 1, the pressing wheel 4 on the movable seat 3 can press the cylinder barrel 24 of the clamping area 5 on the driving roller 2 of the fixed seat 1, and the driving rollers 2 can drive the cylinder barrel 24 and the pressing wheel 4 to synchronously rotate; the driving roller 2 and the transmission shaft 23 can be mounted on the fixed seat 1 through bearings so as to improve the rotation flexibility of the driving roller 2 and the transmission shaft 23, and the pressing wheel 4 can directly adopt the bearings, namely the bearings are used as the pressing wheel 4, so that the cost can be reduced, and the rotation flexibility of the pressing wheel 4 can be ensured;
the working process of the cylinder barrel rotating and welding mechanism is as follows: firstly, a cylinder barrel 24 is placed in a clamping area 5, a connector 24-1 is assembled on the cylinder barrel 24, the cylinder barrel 24 can be in contact with a bottom pressing shaft 8, and then a side pressing cylinder 22 drives a movable seat 3 to approach a fixed seat 1, so that a pressing wheel 4 on the movable seat 3 presses the cylinder barrel 24 in the clamping area 5 on a driving roller 2 of the fixed seat 1; then, the top pressing cylinder 9 is started, the top pressing shaft 7 is driven by the top pressing cylinder 9 to descend to the connector 24-1 of the cylinder barrel 24, and the connector 24-1 is pressed and fixed on the cylinder barrel 24; then the motor 18 is started to drive the driving roll 2 to rotate, so that the driving roll 2 drives the cylinder 24 to rotate, the welding gun 6 is enabled to weld relatively around the outer peripheral surface of the cylinder 24, and a circle of welding seam is formed between the connector 24-1 and the cylinder 24.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A cylinder spin welding mechanism for welding a connector (24-1) at an end of a cylinder (24), characterized in that: comprises a fixed seat (1) fixed on a frame (10), a driving roller (2) rotatably arranged on the fixed seat (1), a movable seat (3) opposite to the fixed seat (1) and a pinch roller (4) rotatably arranged on the movable seat (3); the rack (10) is provided with a rotary power device for driving the driving roller (2) to rotate and a lateral pressing power device for driving the movable seat (3) to move close to or away from the fixed seat (1);
the driving rollers (2) and the pressing wheels (4) are arranged in parallel, the sum of the number of the driving rollers (2) and the number of the pressing wheels (4) is more than or equal to three, a clamping area (5) for clamping the cylinder barrel (24) is enclosed and synthesized between all the driving rollers (2) and the pressing wheels (4), and a welding gun (6) aligned with the clamping area (5) is arranged on the rack (10);
the top pressing shaft (7) is arranged above the clamping area (5), a first power device used for driving the top pressing shaft (7) to ascend or descend is arranged on the rack (10), and the top pressing shaft (7) is rotatably installed on the first power device.
2. The cylinder spin weld mechanism of claim 1, wherein: the clamping device is characterized in that a bottom pressing shaft (8) is arranged below the clamping area (5), a second power device used for driving the bottom pressing shaft (8) to ascend or descend is arranged on the rack (10), and the bottom pressing shaft (8) is rotatably installed on the second power device.
3. The cylinder spin weld mechanism of claim 1, wherein: the first power device comprises a top pressing cylinder (9) with an extending end facing downwards and a top connecting sleeve (11), wherein a cylinder body of the top pressing cylinder (9) is relatively fixed on a rack (10), the top connecting sleeve (11) is fixed on the extending end of the top pressing cylinder (9), a top pressing shaft (7) is rotatably arranged in the top connecting sleeve (11), and is axially positioned in the top connecting sleeve (11).
4. The cylinder spin weld mechanism of claim 2, wherein: the second power device comprises a bottom pressing cylinder (12) with an upward extending end and a bottom connecting sleeve (13), wherein a cylinder body of the bottom pressing cylinder (12) is relatively fixed on the frame (10), the bottom connecting sleeve (13) is fixed on the extending end of the bottom pressing cylinder (12), and a bottom pressing shaft (8) is rotatably arranged in the bottom connecting sleeve (13) and is axially positioned in the bottom connecting sleeve (13).
5. The cylinder spin weld mechanism of claim 4, wherein: an electric push rod (14) is fixed on the rack (10), and the output end of the electric push rod (14) is fixedly connected with a cylinder body of the bottom pressing cylinder (12).
6. The cylinder spin weld mechanism of claim 1, wherein: the welding gun installing device is characterized in that a welding gun installing assembly is arranged on the rack (10), the welding gun installing assembly comprises a welding gun moving cylinder (15), an installing seat (16) and a clamping block (17), the welding gun moving cylinder (15) is fixed on the rack (10), the installing seat (16) is arranged on the rack (10) in a sliding mode along the telescopic direction of the welding gun moving cylinder (15), the extending end of the welding gun moving cylinder (15) is fixedly connected with the installing seat (16), the clamping block (17) is fixed on the installing seat (16), and the welding gun (6) is clamped between the installing seat (16) and the clamping block (17).
7. The cylinder spin weld mechanism of claim 1, wherein: rotatory power device includes motor (18), action wheel (19) and follows driving wheel (20), motor (18) are fixed in frame (10), the main shaft fixed connection of action wheel (19) and motor (18), it is connected with transmission shaft (23) to rotate on fixing base (1), follow driving wheel (20) and transmission shaft (23) fixed connection, action wheel (19) and follow are connected through belt (21) transmission between driving wheel (20), transmission shaft (23) are connected with drive roll (2) transmission.
8. The cylinder spin weld mechanism of claim 1, wherein: the lateral pressing power device comprises a lateral pressing cylinder (22), a cylinder body of the lateral pressing cylinder (22) is fixed on the rack (10), and the movable seat (3) is fixed on the extending end of the lateral pressing cylinder (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327227.1U CN210549087U (en) | 2019-08-15 | 2019-08-15 | Cylinder barrel spin welding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327227.1U CN210549087U (en) | 2019-08-15 | 2019-08-15 | Cylinder barrel spin welding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210549087U true CN210549087U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921327227.1U Active CN210549087U (en) | 2019-08-15 | 2019-08-15 | Cylinder barrel spin welding mechanism |
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| CN (1) | CN210549087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589434A (en) * | 2022-01-28 | 2022-06-07 | 浙江阿凡特精密设备制造有限公司 | Welding device and welding method for push-pull oil cylinder of pipe pushing machine |
-
2019
- 2019-08-15 CN CN201921327227.1U patent/CN210549087U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589434A (en) * | 2022-01-28 | 2022-06-07 | 浙江阿凡特精密设备制造有限公司 | Welding device and welding method for push-pull oil cylinder of pipe pushing machine |
| CN114589434B (en) * | 2022-01-28 | 2024-09-03 | 浙江阿凡特液压科技有限公司 | Welding device and welding method for push-pull oil cylinder of pipe pushing machine |
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