Rotary sweat soldering mechanism

Abstract

The utility model relates to the technical field of hot melt welding, and discloses a rotary hot melt welding mechanism which comprises a hot plate, two feeding seats, a rotary platform and a diaphragm chuck, the two feeding seats are distributed on the two sides of the hot plate, and the distance between each feeding seat and the hot plate is adjustable; the two rotating platforms are mounted on the two feeding seats one by one, and each rotating platform is provided with a rotating part with adjustable rotating speed; the two diaphragm chucks are installed on the two rotating parts one by one and used for clamping a to-be-welded piece and enabling a welded junction of the to-be-welded piece to face the hot plate. According to the rotary hot melting welding mechanism, the diaphragm chuck can be controlled to clamp the to-be-welded part for feeding and rotating through the feeding seat and the rotary platform, so that the welding size can be accurately controlled, the end face of a welded junction is uniformly heated, the turned edge of the welded junction is smoother and more uniform, and the welding effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot melt welding technical field especially relates to a rotary hot melt welding mechanism. BACKGROUND

[0002] Hot plate welding process is a common hot welding mode, has the advantages such as high welding strength, high efficiency, and so-called hot plate welding is the welding method that the heat generated by hot plate softens the end face of welding opening and cooperates with pressure.

[0003] The existing hot plate and the workpiece to be welded adopt fixed clamping mode, and the workpiece to be welded is commonly PE / PP plastic pipe, since the welding temperature of such material is usually only 220 DEG C, the uniformity requirement of the welding opening is not high, but with the use of special materials, the welding requirement is higher and higher, and the fixed clamping mode is difficult to meet the demand. In some special scenarios, the hot plate welding temperature requirement reaches 600 DEG C, which causes the hot plate to produce greater deformation, and the fixed clamping mode causes the size of batch welding openings to be inconsistent, the turn-up is uneven, and the welding quality is affected. SUMMARY

[0004] The utility model discloses a rotary hot melt welding mechanism to solve the problems in the background art, improve the uniformity of welding opening turn-up, and ensure the welding effect.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A rotary hot melt welding mechanism, comprising a hot plate, a feed seat, a rotary platform and a diaphragm chuck, wherein:

[0007] Two feed seats are distributed on the two sides of the hot plate, and the distance between each feed seat and the hot plate is adjustable.

[0008] Two rotary platforms are installed on the two feed seats, and each rotary platform is provided with a rotating part with adjustable rotating speed.

[0009] Two diaphragm chucks are installed on the two rotating parts, and the diaphragm chuck is used to clamp the workpiece to be welded and make the welding opening of the workpiece to be welded face the hot plate.

[0010] As an optional scheme, the rotary hot melt welding mechanism further comprises a linear guide rail and a driving assembly, the two feed seats are respectively arranged on the linear guide rail, and the two driving assemblies drive the two feed seats to reciprocate along the linear guide rail.

[0011] As an optional scheme, the driving assembly comprises a first motor and a lead screw, the output shaft of the first motor is in transmission connection with the lead screw, the lead screw is arranged along the linear guide rail, and the feed seat is provided with a nut matched with the lead screw.

[0012] As an option, a dynamic torque sensor is arranged between the output shaft of the first motor and the lead screw, and the dynamic torque sensor is used to sense the torque change of the lead screw, so as to determine whether the welding opening of the workpiece is in contact with the welding opening of the hot plate or another workpiece and the contact degree.

[0013] As an option, a grating ruler is arranged on one side of the linear guide rail, and the grating ruler is used to accurately measure the feeding amount of the feeding seat.

[0014] As an option, a second motor is arranged on each of the two rotary platforms, a transmission gear is arranged on the output shaft of the second motor, and a gear part that meshes with the transmission gear is arranged on the corresponding rotating part.

[0015] As an option, the rotation axes of the two rotating parts are located on the same straight line and are perpendicular to the side surface of the hot plate.

[0016] The beneficial effects of the present application are as follows:

[0017] The rotary hot melt welding mechanism can control the feeding and rotation of the film chuck clamping the workpiece through the feeding seat and the rotary platform, so as to accurately control the welding size, ensure the uniform heating of the welding opening end surface, make the welding opening flanging more round and uniform, and ensure the welding effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure front view of the rotary hot melt welding mechanism provided by the embodiment of the present application;

[0019] Figure 2 is a structure top view of the rotary hot melt welding mechanism provided by the embodiment of the present application.

[0020] In the drawings:

[0021] 1, hot plate; 2, feeding seat; 3, rotary platform; 4, film chuck; 5, rotating part; 6, linear guide rail; 7, first motor; 8, lead screw; 9, nut; 10, dynamic torque sensor; 11, grating ruler; 12, second motor. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate description, only the parts related to the present application are shown in the drawings, not all structures.

[0023] In the description of the utility model, unless another definite provision and limitation, the term "link", "connect", "fix" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication or two element's mutual action relation.For the ordinary skill in the art, the above-mentioned term can be understood in the utility model according to the specific meaning of the specific situation.

[0024] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, also can include the first and second features are not direct contact but contact through the additional feature between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0025] In the description of the embodiment, the terms "on", "under", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawing, just for the convenience of description and simplification operation, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, cannot be understood as a limitation on the utility model.

[0026] In addition, the terms "first", "second" and the like are just used to distinguish in the description, and have no special meaning.

[0027] Please refer to Figure 1 And Figure 2 As shown, the embodiment provides a rotary hot melt welding mechanism, which comprises a hot plate 1, a feeding seat 2, a rotary platform 3 and a diaphragm chuck 4, wherein:

[0028] Two feeding seats 2 are distributed on the two sides of the hot plate 1, and the distance between each feeding seat 2 and the hot plate 1 is adjustable;

[0029] Two rotary platforms 3 are installed on two feeding seats 2 respectively, and each rotary platform 3 is provided with a rotating part 5 with adjustable rotating speed;

[0030] Two diaphragm chucks 4 are installed on two rotating parts 5 respectively, and the diaphragm chuck 4 is used for clamping the welding piece, and the welding opening of the welding piece faces the hot plate 1.

[0031] Thus, the membrane chuck 4 can be controlled to clamp the workpieces to be welded and to feed and rotate by the feeding seats 2 and the rotary platform 3, so that the welding size can be accurately controlled, the end face of the welding opening is uniformly heated, the welding opening is more round and uniform, and the welding effect is ensured.

[0032] Optionally, the rotary hot melting welding mechanism further comprises a linear guide rail 6 and a driving assembly, the two feeding seats 2 are respectively arranged on the linear guide rail 6, and the two driving assemblies drive the two feeding seats 2 to reciprocate along the linear guide rail 6, so as to improve the displacement accuracy of the two feeding seats 2 and improve the welding quality.

[0033] Specifically, the driving assembly comprises a first motor 7 and a lead screw 8, the output shaft of the first motor 7 is in transmission connection with the lead screw 8, the lead screw 8 is arranged along the linear guide rail 6, and the feeding seat 2 is provided with a nut 9 matched with the lead screw 8. In addition to the lead screw and nut transmission, linear modules, gear and rack and other linear driving forms can also be used, which are not limited here.

[0034] Optionally, a dynamic torque sensor 10 is arranged between the output shaft of the first motor 7 and the lead screw 8, and the dynamic torque sensor 10 is used to sense the torque change of the lead screw 8 to determine whether the welding opening of the workpiece to be welded is in contact with the welding opening of the hot plate 1 or another workpiece to be welded and the contact degree, that is, to ensure that the welding opening of the workpiece to be welded is uniformly heated and not excessively, and to ensure that the pressure in the pressing stage is reasonable, and to ensure the welding effect.

[0035] Optionally, a grating ruler 11 is arranged on one side of the linear guide rail 6, and the grating ruler 11 is used to accurately measure the feeding amount of the feeding seat 2 to accurately control the distance from the welding opening to the hot plate 1 and accurately control the welding size.

[0036] Optionally, a second motor 12 is arranged on each of the two rotary platforms 3, a transmission gear is arranged on the output shaft of the second motor 12, and a gear part meshing with the transmission gear is arranged on the corresponding rotary part 5, so as to adjust the rotating speed of the membrane chuck 4 steplessly, and the rotating speeds of the two membrane chucks 4 can be independently adjusted to meet the situation that the materials or sizes of the two workpieces to be welded are different and the heating requirements are different.

[0037] Optionally, the rotating axes of the two rotary parts 5 are located on the same straight line and are perpendicular to the side surface of the hot plate 1, so as to ensure the coaxiality of the welding openings of the two workpieces to be welded.

[0038] In addition, when the workpieces to be welded are clamped and rotated, even if the hot plate 1 and the welding opening are not in parallel state, the welding opening end face can be uniformly heated when the workpiece to be welded is rotated, so that the welding effect is better, the welding opening is more round, the problem of uneven turning edge does not occur, the vertical melting phenomenon does not occur, the welding quality is high, and the consistency is good.

[0039] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A rotary hot melt welding mechanism, characterized by, Including hot plate (1), feed seat (2), rotary platform (3) and diaphragm chuck (4), wherein: Two said feed seat (2) is distributed in both sides of the hot plate (1), and the distance between each said feed seat (2) and the hot plate (1) is adjustable; Two said rotary platform (3) is installed on two said feed seat (2), each said rotary platform (3) is provided with rotating speed adjustable rotating part (5); Two said diaphragm chuck (4) is installed on two said rotating part (5), said diaphragm chuck (4) is used for clamping the welding part, and the welding opening of the welding part is towards said hot plate (1).

2. The rotary hot-melt welding mechanism according to claim 1, characterized in that, Also including linear guide (6) and drive assembly, two said feed seat (2) is respectively erected on said linear guide (6), two said drive assembly drives two said feed seat (2) reciprocating movement along said linear guide (6).

3. The rotary hot-melt welding mechanism according to claim 2, characterized in that Said drive assembly includes first motor (7) and screw rod (8), the output shaft of said first motor (7) is in transmission connection with said screw rod (8), said screw rod (8) is arranged along said linear guide (6), said feed seat (2) is provided with nut (9) matched with said screw rod (8).

4. The rotary hot-melt welding mechanism according to claim 3, characterized in that The output shaft of said first motor (7) and said screw rod (8) are provided with dynamic torque sensor (10), said dynamic torque sensor (10) is used for sensing the torque change of said screw rod (8), to judge whether the welding opening of the welding part is in contact with said hot plate (1) or the welding opening of another welding part and the contact degree.

5. The rotary hot melt welding mechanism of claim 2, wherein, The side of said linear guide (6) is provided with grating ruler (11), said grating ruler (11) is used for accurately measuring the feed amount of said feed seat (2).

6. The rotary hot melt welding mechanism of claim 1, wherein, Two said rotary platform (3) is respectively provided with second motor (12), the output shaft of said second motor (12) is provided with transmission gear, and the corresponding said rotating part (5) is provided with gear part engaged with said transmission gear.

7. The rotary hot melt welding mechanism of claim 1, wherein, The rotation axis of two said rotating part (5) is located on the same straight line and is perpendicular to the side of said hot plate (1).

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