Double-gun automatic variable-pitch ultrasonic hot melting device

Abstract

The utility model discloses a double-gun automatic variable-pitch ultrasonic hot melting device which comprises a mounting frame, a first mounting seat, a second mounting seat, a lifting driving mechanism, an X-direction translation driving mechanism, a distance measuring sensor and a visual detection unit, wherein the first mounting seat, the second mounting seat, the lifting driving mechanism and the X-direction translation driving mechanism are arranged on the mounting frame; a first hot melting gun is mounted at the first mounting seat, and the first mounting seat is driven by a lifting driving mechanism to lift in the Z direction of the surface of the mounting frame; a second hot melting gun and a distance measuring sensor are mounted at the second mounting seat; and the second mounting seat is driven by the X-direction translation driving mechanism to translate along the surface of the mounting frame in the X direction. The hot melting device can greatly shorten the hot melting time, does not need manual assistance, is simple in structure, reduces the number of stations, and is high in safety. Double-gun automatic variable-pitch hot melting is adopted, and two point positions can be subjected to hot melting at the same time, so that the hot melting efficiency is improved; and under the condition that double guns cannot be used, hot melting can be carried out through a single gun but point positions, and the universality of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical equipment, and particularly relates to a double-gun automatic variable-distance ultrasonic hot-melting device. Background Art

[0002] With the rapid development of the materials industry, hot melt technology is widely used in various fields. For example, the keyboard and shell of a laptop are processed separately and then assembled together. Hot melt technology can be used to fix the two together by hot melting. At present, the above process is to manually put the materials into the carrier, heat the gun head with a heating rod, and then melt the plastic column to fix it. It cannot meet the production needs. There are a series of problems: it cannot be automatically hot-melted without manual assistance, the structure is complex, it takes a long time, an additional station needs to be added to the original production line, and there are safety hazards.

[0003] Therefore, it is necessary to design an ultrasonic hot-melt device to solve the above problems. Utility Model Content

[0004] The main technical problem solved by the utility model is to provide a double-gun automatic variable-pitch ultrasonic hot-melting device, which can greatly shorten the hot-melting time, does not require manual assistance, has a simple structure, reduces workstations, and has high safety. The double-gun automatic variable-pitch hot-melting can melt two points at the same time, thereby improving the hot-melting efficiency. In the case where double guns cannot be used, a single gun can be used for point hot-melting, thereby improving the versatility of the device.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a double-gun automatic variable-distance ultrasonic hot-melting device, comprising a mounting frame and a first mounting seat, a second mounting seat, a lifting drive mechanism capable of driving the first mounting seat to lift and lower in the Z direction and an X-direction translation drive mechanism capable of driving the second mounting seat to translate in the X direction, a distance measuring sensor and a visual detection unit, wherein the upper end of the mounting frame is provided with a robot arm flange for connecting with a robot arm;

[0006] A first hot melt gun is installed at the first mounting seat, and the first mounting seat is driven to move up and down along the Z direction of the surface of the mounting frame by a lifting drive mechanism; a second hot melt gun and the distance measuring sensor are installed at the second mounting seat; and the second mounting seat is driven to move in the X direction along the surface of the mounting frame by an X-direction translation drive mechanism;

[0007] The visual inspection unit is mounted on the back side of the mounting frame;

[0008] A buffer structure is provided between the first hot melt gun and the first mounting seat, and between the second hot melt gun and the second mounting seat;

[0009] The lifting drive mechanism and the Z-direction translation drive mechanism are both servo motor driven lead screw transmission structures.

[0010] Further, the lifting drive mechanism includes a lifting drive servo motor, a Z-axis screw rod and a lifting nut. The first mounting seat and the mounting frame are slidingly connected via a Z-axis slide rail. The power output end of the lifting drive servo motor is fixedly connected to one end of the Z-axis screw rod, and the other end is rotatably connected to the mounting frame; the lifting nut is sleeved on the Z-axis screw rod, and the first mounting seat is fixedly mounted on the lifting nut.

[0011] Further, the X-axis translation drive mechanism includes a translation drive servo motor, an X-axis lead screw and a translation nut. The second mounting seat and the mounting frame are slidingly connected via an X-axis slide rail. The power output end of the translation drive servo motor is fixedly connected to one end of the X-axis lead screw, and the other end is rotatably connected to the mounting frame; the translation nut is sleeved on the X-axis lead screw, and the second mounting seat is fixedly mounted on the translation nut.

[0012] Furthermore, the visual inspection unit is an industrial camera.

[0013] Furthermore, the upper portion of the back side of the mounting frame is fixedly connected to a mounting plate extending in the Z direction, and the visual inspection unit is mounted on the mounting plate.

[0014] Furthermore, a limit plate is provided on the first mounting seat and the second mounting seat, the buffer structure includes a buffer column and a buffer spring, the first hot melt gun and the second hot melt gun are each provided with a mounting block, the mounting block is provided with a accommodating space, the lower end of the buffer column is fixed to the lower end of the mounting block, and the upper end is fixed to the limit plate, and the buffer spring is mounted on the buffer column.

[0015] The beneficial effects of the utility model are:

[0016] The double-gun automatic variable pitch ultrasonic hot-melting device of the utility model moves and adjusts the posture by a manipulator, and after the X direction is automatically changed, after reaching the position, the manipulator drives the Z axis of the device to move up and down to directly perform ultrasonic hot-melting; in addition, if some places cannot use double guns for hot-melting together, the Z axis of the lifting drive mechanism is required to lift the first hot-melting gun, and then cooperate with the manipulator to drive the Z axis of the device to move up and down to perform single-gun hot-melting welding. Therefore, the utility model can greatly shorten the hot-melting time, does not require manual assistance, has a simple structure, reduces workstations, and has high safety; adopts double-gun automatic variable pitch hot-melting, can hot-melt two points at the same time, and improves the hot-melting efficiency; in the case where double guns cannot be used, a single gun can be used for point hot-melting, and the versatility of the device is improved.

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is one of the structural schematic diagrams of the utility model (seen from the front);

[0019] Figure 2 It is the front view of the utility model;

[0020] Figure 3 This is the second structural diagram of the utility model (seen from the back);

[0021] Figure 4 It is a cross-sectional structural schematic diagram of the buffer structure at the second hot melt gun of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the buffer structure at the second hot melt gun of the utility model;

[0023] The reference numerals are as follows:

[0024] Mounting frame 1, mechanical arm flange 11, mounting plate 12;

[0025] A first mounting seat 2, a first hot melt gun 21, a buffer structure 22, a buffer column 221, a buffer spring 222, and a limit plate 23;

[0026] A second mounting seat 3, a second hot melt gun 31, and a mounting block 311;

[0027] Lifting drive mechanism 4, lifting drive servo motor 41, lifting nut 42, Z-direction slide rail 43;

[0028] X-axis translation driving mechanism 5, translation driving servo motor 51, translation nut 52, X-axis slide rail 53;

[0029] Distance measuring sensor 6, visual detection unit 7. DETAILED DESCRIPTION

[0030] The following is a specific embodiment of the present invention, and those skilled in the art can easily understand the advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented in other different ways, that is, different modifications and changes can be made without departing from the scope disclosed by the present invention.

[0031] Embodiment: A dual-gun automatic variable-distance ultrasonic hot-melt device, such as Figures 1 to 5As shown, the mounting frame 1 includes a first mounting seat 2, a second mounting seat 3, a lifting drive mechanism 4 capable of driving the first mounting seat to lift and lower in the Z direction, and an X-direction translation drive mechanism 5 capable of driving the second mounting seat to translate in the X direction, a distance measuring sensor 6, and a visual detection unit 7. The upper end of the mounting frame is provided with a robot flange 11 for connecting with a robot arm;

[0032] The first mounting seat is provided with a first hot melt gun 21, and the first mounting seat is driven to move up and down along the surface of the mounting frame in the Z direction by a lifting drive mechanism; the second mounting seat is provided with a second hot melt gun 31 and the distance measuring sensor; the second mounting seat is driven to move in the X direction along the surface of the mounting frame by an X-direction translation drive mechanism;

[0033] The visual inspection unit is installed on the back side of the mounting frame (that is, the first mounting seat and the second mounting seat are installed on the front side of the mounting frame, and the front side and the back side are relative);

[0034] A buffer structure 22 is provided between the first hot melt gun and the first mounting seat, and between the second hot melt gun and the second mounting seat;

[0035] The lifting drive mechanism and the Z-direction translation drive mechanism are both servo motor driven lead screw transmission structures.

[0036] In this embodiment, Figure 1 As shown, the lifting drive mechanism 4 includes a lifting drive servo motor 41, a Z-axis screw rod (not shown in the figure) and a lifting nut 42. The first mounting seat and the mounting frame are slidingly connected via a Z-axis slide rail 43. The power output end of the lifting drive servo motor is fixedly connected to one end of the Z-axis screw rod, and the other end is rotatably connected to the mounting frame; the lifting nut is sleeved on the Z-axis screw rod, and the first mounting seat is fixedly mounted on the lifting nut.

[0037] In this embodiment, Figures 1 to 3 As shown, the X-axis translation drive mechanism 5 includes a translation drive servo motor 51, an X-axis lead screw (not shown) and a translation nut 52. The second mounting seat and the mounting frame are slidingly connected via an X-axis slide rail 53. The power output end of the translation drive servo motor is fixedly connected to one end of the X-axis lead screw, and the other end is rotationally connected to the mounting frame; the translation nut is sleeved on the X-axis lead screw, and the second mounting seat is fixedly mounted on the translation nut.

[0038] In this embodiment, the visual inspection unit is an industrial camera, but is not limited thereto.

[0039] In this embodiment, the upper part of the back of the mounting frame is fixedly connected to a mounting plate 12 extending in the Z direction, and the visual inspection unit is mounted on the mounting frame. The structural design is reasonable and compact, which reduces the volume and space of the device.

[0040] In this embodiment, Figure 4 and Figure 5 As shown, the first mounting seat and the second mounting seat are provided with a limit plate 23, the buffer structure 22 includes a buffer column 221 and a buffer spring 222, the first hot melt gun and the second hot melt gun are each provided with a mounting block 311, the mounting block is provided with a receiving space, the lower end of the buffer column is fixed to the lower end of the mounting block, and the upper end is fixed to the limit plate, and the buffer spring is sleeved on the buffer column. The buffer structure prevents the hot melt gun from exerting a large impact force on the product, protects the product and the hot melt gun, and prevents them from being damaged by sudden impact.

[0041] The working principle and working process of the utility model are as follows:

[0042] The first hot melt gun 21 and the second hot melt gun 31 are used for hot melting products; the distance sensor 6 is used to control the distance between the first and / or second hot melt guns and the product; the Z-axis slide rail and the X-axis slide rail are used to guide the movement process of various motion mechanisms; the X-axis translation drive mechanism is used to adjust the distance between the first hot melt gun and the second hot melt gun bracket; the visual inspection unit 7 is used to locate the required hot melting point; the robot arm flange 11 is used to connect the robot arm to adjust the posture; the lifting drive mechanism 4 is used to switch between single-gun or double-gun hot melting.

[0043] Working principle or process: The dual-gun automatic variable pitch ultrasonic hot-melt device is installed on the manipulator through the manipulator flange. The manipulator moves and adjusts the posture to take pictures with the visual detection unit to determine the position. After the X-axis direction automatically changes the pitch, after reaching the position, the manipulator drives the device to move up and down on the Z axis to directly perform ultrasonic hot-melt.

[0044] In addition, for some places where it is impossible to use two guns for hot melting at the same time, a lifting drive mechanism is needed to lift the first hot melt gun, and cooperate with the manipulator to move the second hot melt gun up and down on the Z axis to perform single-point single-gun hot melting.

[0045] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structure made using the contents of the specification and drawings of the present utility model, or directly or indirectly used in other related technical fields, is also included in the patent protection scope of the present utility model.

Claims

1. A double-gun automatic variable-distance ultrasonic hot-melt device, characterized in that: The invention comprises a mounting frame (1), a first mounting seat (2) arranged on the mounting frame, a second mounting seat (3), a lifting drive mechanism (4) capable of driving the first mounting seat to lift in the Z direction, an X-direction translation drive mechanism (5) capable of driving the second mounting seat to translate in the X direction, a distance measuring sensor (6) and a visual detection unit (7), wherein the upper end of the mounting frame is provided with a robot arm flange (11) for connecting to a robot arm; A first hot melt gun (21) is installed at the first mounting seat, and the first mounting seat is driven to rise and fall along the surface of the mounting frame in the Z direction by a lifting drive mechanism; a second hot melt gun (31) and the distance measuring sensor are installed at the second mounting seat; The second mounting seat is driven to translate in the X direction along the surface of the mounting frame by the X-direction translation driving mechanism; The visual inspection unit is mounted on the back side of the mounting frame; A buffer structure (22) is provided between the first hot melt gun and the first mounting seat, and between the second hot melt gun and the second mounting seat; The lifting drive mechanism and the Z-direction translation drive mechanism are both servo motor driven lead screw transmission structures.

2. The double-gun automatic variable-distance ultrasonic hot-melt device according to claim 1 is characterized in that: The lifting drive mechanism (4) comprises a lifting drive servo motor (41), a Z-axis screw rod and a lifting nut (42); the first mounting seat and the mounting frame are slidably connected via a Z-axis slide rail (43); the power output end of the lifting drive servo motor is fixedly connected to one end of the Z-axis screw rod, and the other end is rotatably connected to the mounting frame; the lifting nut is sleeved on the Z-axis screw rod, and the first mounting seat is fixedly mounted on the lifting nut.

3. The double-gun automatic variable-distance ultrasonic hot-melt device according to claim 1 is characterized in that: The X-axis translation drive mechanism (5) comprises a translation drive servo motor (51), an X-axis lead screw and a translation nut (52); the second mounting seat and the mounting frame are slidably connected via an X-axis slide rail (53); a power output end of the translation drive servo motor is fixedly connected to one end of the X-axis lead screw, and the other end is rotatably connected to the mounting frame; the translation nut is sleeved on the X-axis lead screw, and the second mounting seat is fixedly mounted on the translation nut.

4. The double-gun automatic variable-distance ultrasonic hot-melt device according to claim 1 is characterized in that: The visual inspection unit is an industrial camera.

5. The double-gun automatic variable-distance ultrasonic hot-melt device according to claim 1 is characterized in that: The upper part of the back side of the mounting frame is fixedly connected to a mounting plate (12) extending in the Z direction, and the visual detection unit is mounted on the mounting plate.

6. The double-gun automatic variable-distance ultrasonic hot-melt device according to claim 1 is characterized in that: The first mounting seat and the second mounting seat are provided with a limiting plate (23), the buffer structure (22) includes a buffer column (221) and a buffer spring (222), the first hot melt gun and the second hot melt gun are each provided with a mounting block (311), the mounting block is provided with a accommodating space, the lower end of the buffer column is fixed to the lower end of the mounting block, and the upper end is fixed to the limiting plate, and the buffer spring is sleeved on the buffer column.

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