Double-station welding device

Abstract

The double-station welding device comprises a bottom plate, a support, a hot melting assembly and a rotary disc assembly, the support is installed on the bottom plate, a push rod air cylinder is installed on the support, and the lower end of a piston rod of the push rod air cylinder is connected with the hot melting assembly; the rotating disc assembly comprises a rotating disc, two positioning assemblies symmetrically installed on the rotating disc and used for positioning products to be welded and a rotating air cylinder used for driving the rotating disc to rotate, the rotating air cylinder is installed on the bottom plate, and the rotating disc is installed on the rotating air cylinder. According to the double-station welding device, the push rod air cylinder is adopted as the power mechanism for driving the hot melting assembly to move up and down, and the rotating air cylinder is adopted as the power mechanism for driving the rotating disc to rotate, so that the double-station welding device is lighter, more compact and more miniaturized, and is convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot melt machine field, concretely relates to a double-station welding device. BACKGROUND

[0002] Hot melt machine is a kind of equipment using electric heating mode to melt plastic hot melt parts on workpiece, it is mainly used for riveting and embedding of irregular plastic parts.Patent CN 219360345U discloses a double-station integrated hot melt machine, the lower part of the hot melt machine is electric control box and embedded motor, turntable and support are installed on workbench, hot melt assembly is installed on support.Most of the prior art hot melt machine is similar to the double-station integrated hot melt machine disclosed in patent CN 219360345U, and it is a medium-large equipment, large in size and heavy in weight, even if it is used for melting small-size products, it is also difficult to move, and it is not practical for factory building with limited space.

[0003] Therefore, a small-sized welding device convenient to carry is urgently needed. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model provides a double-station welding device, which is simple in structure, small in size and convenient to carry.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A double-station welding device, comprising a base plate, a support, a hot melt assembly and a turntable assembly, the support is installed on the base plate, a push rod cylinder is installed on the support, and the lower end of the piston rod of the push rod cylinder is connected to the hot melt assembly;

[0007] The turntable assembly comprises a turntable, two positioning assemblies for positioning the product to be welded symmetrically installed on the turntable and a rotary cylinder for driving the rotation of the turntable, the rotary cylinder is installed on the base plate, and the turntable is installed on the rotary cylinder.

[0008] Preferably, the positioning assembly comprises a positioning base and a cover plate, the positioning base is provided with a groove for accommodating the product, the middle through part of the cover plate is opposite to the groove on the positioning base, a plurality of elastic members are installed on the bottom surface of the cover plate, the cover plate is rotatably installed on the positioning base, and the elastic members are used to press the top edge of the product in the positioning base.

[0009] Preferably, the elastic member is a spring.

[0010] Preferably, the cover plate has a first end connected to the positioning base through a hinge and a second end capable of being turned around the hinge, and the second end of the cover plate is connected to the positioning base through a buckle assembly.

[0011] Preferably, the buckle assembly comprises two groups of buckles and a connecting rod connecting the two groups of buckles.

[0012] Each set of buckles comprises a first buckle and a second buckle, the second buckle is installed in the positioning base and opposite to the first buckle, the first buckle comprises a horizontal part and a vertical part, the vertical part is connected with the horizontal part in a T shape, and the lower end of the vertical part is provided in a reverse buckle shape;

[0013] A sunken table is arranged on the top surface of the cover plate and corresponds to the position of the horizontal part of the first buckle, the sunken table penetrates through the side surface of the second end of the cover plate, a rotating shaft penetrates through the inside of the vertical part, the rotating shaft is installed on the two side walls of the sunken table at both ends, a plurality of springs are installed in the sunken table, the horizontal part has a first end arranged in the sunken table and abutting against the springs and a second end connected with a connecting rod, and the connecting rod is parallel to the rotating shaft;

[0014] The second buckle comprises a side plate and a hanging table arranged on one side of the upper end of the side plate, and a guide inclined surface is arranged on the top surface of the hanging table and used for hooking the lower end of the vertical part of the first buckle.

[0015] The second ends of the horizontal parts of the first buckles of the two sets of buckle assemblies are connected through the connecting rods.

[0016] Preferably, two waist-shaped holes are arranged on the side plate of the second buckle, a threaded hole is arranged on the positioning base and corresponds to the position of each waist-shaped hole, a screw is inserted into the waist-shaped hole and locked in the threaded hole of the positioning base to install the second buckle on the positioning base, and the height of the second buckle is adjusted by changing the up-down position of the screw in the waist-shaped hole.

[0017] Preferably, two positioning holes are arranged below each positioning base, a positioning column is arranged on the turntable and corresponds to the position of each positioning hole, and the positioning base is positioned on the turntable through the cooperation of the positioning holes and the positioning columns. The bottom surface of the positioning base is detachably installed on the turntable through a screw. Preferably, the support comprises two vertical guide rods and a cross beam connected to the upper ends of the two guide rods, the two guide rods are fixed on the bottom plate, one sleeve is sleeved on each guide rod, the two sleeves are connected through a movable plate, the hot melting assembly is installed on the bottom surface of the movable plate, and the piston rod of the push rod cylinder penetrates through the cross beam and connects the movable plate.

[0018] Preferably, a control box, a temperature controller and a pressure regulating valve are installed on the cross beam, the control box is used for controlling the circuit system of the whole double-station welding device, the temperature controller controls the temperature rise of the heating rod, and the pressure regulating valve adjusts the air inlet and air outlet of the push rod cylinder and the rotating cylinder.

[0019] Preferably, handles are installed at the two ends of the bottom plate.

[0020] The utility model has the following beneficial effects:

[0021] 1. The power mechanism for driving the hot melt assembly up and down adopts a push rod cylinder, and the power mechanism for driving the rotating disc to rotate adopts a rotating cylinder, avoiding the use of the traditional motor drive used by the existing hot melt machine, so that the double-station welding device is more portable, compact and miniaturized, thereby facilitating transportation and enabling the device to be transported to various places for use.

[0022] 2. The positioning assembly is composed of a positioning base and a cover plate, the positioning base is provided with a groove matched with the profile of the workpiece, the cover plate is designed as a flip cover for pressing the workpiece, and the positioning base and the cover plate cooperatively perform the enclosed positioning of the workpiece, so that the workpiece running is effectively avoided, and the welding quality is improved.

[0023] 3. The cover plate is connected with the positioning base through a buckle assembly, the cover plate is conveniently opened and closed, and two groups of buckles are connected through a connecting rod to realize synchronous opening or closing, thereby improving the feeding and discharging efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of the double-station welding device of the embodiment of the present application;

[0025] Figure 2 is Figure 1 another angle view of the double-station welding device of the present application;

[0026] Figure 3 is a schematic view of the positioning assembly;

[0027] Figure 4 is Figure 3 a schematic view of the positioning assembly of the present application with a first buckle removed. DETAILED DESCRIPTION

[0028] The present application will be further described below in combination with the drawings and embodiments.

[0029] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] As Figures 1 to 4As shown, the embodiment discloses a double-station welding device, which comprises a base plate 1, a support 2, a hot-melt assembly 3, and a rotating disc assembly 4. The support 2 is installed on the base plate 1, and the hot-melt assembly 3 is movably installed on the support 2. The hot-melt assembly 3 is a prior art, which comprises a heating module and a welding head 31. The welding head 31 is installed on the heating module, and a heating rod and a temperature sensing wire are installed on the heating module. The rotating disc assembly 4 comprises a rotating disc, two positioning assemblies 5 symmetrically installed on the rotating disc, and a rotating disc driving mechanism for driving the rotating disc to rotate. The rotating disc driving mechanism is installed on the base plate 1, and the rotating disc is installed on the rotating disc driving mechanism. The positioning assembly 5 comprises a positioning base 51 and a cover plate 52. The positioning base 51 is provided with a recess for accommodating a product. The cover plate 52 is provided with a plurality of elastic members 53 on the bottom surface. The elastic members 53 are used for pressing the edge of the product in the positioning base 51. Preferably, the elastic members 53 are springs. In other embodiments, the elastic members 53 can also be rubber pads, elastic sheets, or other elastic objects. The cover plate 52 has a first end connected to the positioning base 51 through a hinge 54 and a second end capable of being turned around the hinge 54. The second end of the cover plate 52 is connected to the positioning base 51 through a buckle assembly.

[0031] In a specific structure, the buckle assembly comprises two groups of buckles and a connecting rod 58 connecting the two groups of buckles. Each group of buckles comprises a first buckle 55 and a second buckle 56. The second buckle 56 is installed in the positioning base 51 and opposite to the first buckle 55. The first buckle 55 comprises a horizontal part 551 and a vertical part 552. The vertical part 552 is connected to the horizontal part 551 in a T shape. The lower end of the vertical part 552 is provided in an inverted buckle shape. The top surface of the cover plate 52 is provided with a sunken platform corresponding to the position of the horizontal part 551 of the first buckle 55. The sunken platform penetrates the side surface of the second end of the cover plate 52. The vertical part 552 is provided with a rotating shaft 57 penetrating the inside. The two ends of the rotating shaft 57 are installed on the two side walls of the sunken platform. A plurality of springs 60 are installed in the sunken platform. The horizontal part 551 has a first end placed in the sunken platform and abutting against the springs 60 and a second end connected to the connecting rod 58. The connecting rod 58 is parallel to the rotating shaft 57. The second buckle 56 comprises a side plate 61 and a hanging platform 62 provided on one side of the upper end of the side plate 61. The top surface of the hanging platform 62 is provided with a guide inclined surface 63 for the lower end of the vertical part 552 of the first buckle 55 to hook on the bottom surface of the hanging platform 62. The second ends of the horizontal parts 551 of the first buckles 55 of the two groups of buckle assemblies are connected through the connecting rod 58.

[0032] Preferably, the side plate 61 of the second buckle 56 is provided with two waist-shaped holes 64. The positioning base 51 is provided with a threaded hole corresponding to the position of each waist-shaped hole 64. A screw is inserted into the waist-shaped hole 64 and locked in the threaded hole of the positioning base 51 to install the second buckle 56 on the positioning base 51. The height of the second buckle 56 can be adjusted by changing the up-down position of the screw in the waist-shaped hole 64, so that the fastening degree of the first buckle 55 and the second buckle 56 can be adjusted.

[0033] The product of the embodiment has a workpiece one and a workpiece two. Eight fusion posts are arranged on the workpiece one, and a through hole is arranged at the position corresponding to each fusion post on the workpiece two. The upper end of the fusion post of the workpiece one protrudes from the top surface of the workpiece two through the through hole of the workpiece two. After the workpiece one and the workpiece two are butted, they are placed in the groove of the positioning base 51. The contour of the groove is consistent with the contour when the workpiece one and the workpiece two are butted in place, thereby forming a limit around the workpiece one and the workpiece two. Then, the cover plate 52 is covered, and the spring 60 installed at the bottom surface of the cover plate 52 presses the four peripheral edges of the workpiece two, avoiding the displacement of the two workpieces. The positioning base 51 and the cover plate 52 combine to form a closed (up, down, left, right, front, and back directions) limit for the workpiece one and the workpiece two.

[0034] Eight fusion heads 31 are installed on the heating module of the embodiment. The eight fusion heads 31 protrude into the positioning base 51 from the hollow part of the cover plate 52 and simultaneously melt the eight fusion posts on the workpiece one, so that the workpiece one and the workpiece two are firmly connected together. In other embodiments, the number of fusion heads 31 on the heating module is not limited to eight, and is determined according to the number of fusion positions required on the product.

[0035] By pulling the connecting rod 58 upward, the two first buckles can be flipped upward at the same time. At this time, the spring 60 in the sink is compressed. After the workpiece is placed in or taken out of the positioning base 51, the connecting rod 58 is pressed down, and the connecting rod 58 drives the two first buckles to buckle the hanging table 62 of the two second buckles, respectively.

[0036] In a specific structure, the support 2 includes two vertical guide rods 21 and a cross beam 22 connected to the upper ends of the two guide rods 21. The two guide rods 21 are fixed on the bottom plate 1, and each of the two guide rods 21 is sleeved with a sleeve 24. The two sleeves 24 are connected through a movable plate 23, and the hot melting assembly 3 is installed on the bottom surface of the movable plate 23. The cross beam 22 is installed with a first driving mechanism for driving the movable plate 23 to move up and down. In the present example, the first driving mechanism is a push rod cylinder 6. The cylinder body of the push rod cylinder 6 is installed on the top of the cross beam 22, the piston rod of the push rod cylinder 6 penetrates through the cross beam 22 and is connected to the movable plate 23, and the push rod cylinder 6 drives the movable plate 23 to move up and down along the guide rod 21, thereby driving the hot melting assembly 3 to move up and down.

[0037] In other examples, the first driving mechanism is not limited to this, for example, it can also be a component composed of a motor-driven gear and a rack. The rack is vertically arranged and connected to the movable plate 23. The first driving structure of the present embodiment adopts the push rod cylinder 6, which occupies a small space and has a low cost because the push rod cylinder 6 is a standard part.

[0038] In other examples, the structure of the support 2 is not limited to this, for example, two vertical columns can be added to support the cross beam 22, so that the structure of the support 2 is more stable.

[0039] The rotary disc driving mechanism of the embodiment is a rotary cylinder 7, the cylinder body of the rotary cylinder 7 is fixed on the base plate 1, and the rotary table of the rotary cylinder 7 is connected to the bottom surface of the rotary disc. Preferably, a plurality of columns 8 are installed on the base plate 1, the upper end of each column 8 is provided with a roller 10, and the circumferential surface of each roller 10 is in contact with the bottom surface of the rotary disc to support the rotary disc. In other embodiments, the rotary disc driving mechanism is not limited to the rotary cylinder 7, for example, it can also be a motor. The rotary disc driving mechanism of the embodiment adopts the rotary cylinder 7, which has small volume and weight, and fully utilizes the idle space at the bottom of the rotary disc without occupying the height or length and width size of the double-station welding device.

[0040] The base plate 1 of the embodiment is provided with a handle 9 at both ends, and the double-station welding device is convenient to carry through the handle 9.

[0041] The cross beam 22 of the embodiment is also provided with a control box 11, a temperature controller 12 and a pressure regulating valve 13. The control box 11 is used to control the circuit system of the whole double-station welding device, the temperature controller controls the heating rod to heat up, and the pressure regulating valve adjusts the air inlet and outlet of the push rod cylinder 6 and the rotary cylinder 7. The control box, the temperature controller and the pressure regulating valve are common components of the hot melting machine, and the structure and principle of these components will not be described again.

[0042] The two positioning assemblies 5 are two stations, one of which moves below the hot melting assembly 3 to perform welding operation, while the operator performs feeding and discharging in the other station, thereby saving feeding and discharging time.

[0043] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, therefore, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

Claims

1. A double station fusion splicing apparatus characterized by, The application relates to a double-station hot-melting device, which comprises a base plate, a support, a hot-melting assembly and a rotating disc assembly. The rotating disc assembly comprises a rotating disc, two positioning assemblies symmetrically arranged on the rotating disc for positioning a product to be hot-melted, and a rotating cylinder for driving the rotating disc to rotate, wherein the rotating cylinder is arranged on the base plate, and the rotating disc is arranged on the rotating cylinder.

2. The dual station fusion device of claim 1, wherein, The positioning assembly comprises a positioning base and a cover plate, the positioning base is provided with a groove for accommodating the product, the middle part of the cover plate penetrates the groove on the positioning base, the bottom surface of the cover plate is provided with a plurality of elastic members, the cover plate is rotatably arranged on the positioning base, and the elastic members are used for pressing the top edge of the product in the positioning base.

3. The dual station fusion device of claim 2, wherein, The elastic members are springs.

4. The dual station fusion device of claim 2, wherein, The cover plate has a first end connected to the positioning base through a hinge and a second end capable of being turned around the hinge, and the second end of the cover plate is connected to the positioning base through a buckle assembly.

5. The dual station welding device of claim 4, wherein, The buckle assembly comprises two groups of buckles and a connecting rod connecting the two groups of buckles. Each group of buckles comprises a first buckle and a second buckle, the second buckle is arranged in the positioning base and opposite to the first buckle, the first buckle comprises a horizontal part and a vertical part, the vertical part is connected to the horizontal part in a T shape, and the lower end of the vertical part is provided in a reverse buckle shape. The top surface of the cover plate is provided with a sunken platform corresponding to the position of the horizontal part of the first buckle, the sunken platform penetrates the side surface of the second end of the cover plate, a rotating shaft penetrates the inside of the vertical part, the two ends of the rotating shaft are arranged on the two side walls of the sunken platform, a plurality of springs are arranged in the sunken platform, the horizontal part has a first end arranged in the sunken platform and abutting against the springs and a second end connected to the connecting rod, and the connecting rod is parallel to the rotating shaft. The second buckle comprises a side plate and a hanging platform arranged on one side of the upper end of the side plate, and the top surface of the hanging platform is provided with a guide inclined surface facilitating the lower end of the vertical part of the first buckle to hook the bottom surface of the hanging platform. The second ends of the horizontal parts of the first buckles of the two groups of buckle assemblies are connected through the connecting rod.

6. The dual station welding device of claim 5, wherein, The side plate of the second buckle is provided with two waist-shaped holes, the positioning base is provided with a threaded hole corresponding to each waist-shaped hole, a screw is inserted into each waist-shaped hole and locked in the threaded hole of the positioning base to arrange the second buckle on the positioning base, and the height of the second buckle is adjusted by changing the up-and-down position of the screw in the waist-shaped hole.

7. The dual station welding device of claim 2, wherein, Each positioning base is provided below with two positioning holes, the rotating disc is provided above with a positioning column corresponding to each positioning hole, the positioning base is positioned on the rotating disc through the cooperation of the positioning holes and the positioning column, and the bottom surface of the positioning base is detachably arranged on the rotating disc through a screw.

8. The dual station welding apparatus of any one of claims 1 to 7, wherein, The support comprises two vertical guide rods and a cross beam connected to the upper ends of the two guide rods, the two guide rods are fixed on the base plate, each of the two guide rods is sleeved with a sleeve, the two sleeves are connected through a movable plate, the hot-melting assembly is arranged on the bottom surface of the movable plate, and the piston rod of the push rod cylinder penetrates the cross beam and connects the movable plate.

9. The dual station fusion device of claim 8, wherein, The cross beam is arranged with a control box, a temperature controller and a pressure regulating valve, the control box is used for controlling the circuit system of the whole double-station hot-melting device, the temperature controller controls the temperature rising of the heating rod, and the pressure regulating valve adjusts the air inlet and air outlet of the push rod cylinder and the rotating cylinder.

10. The dual station fusion device of claim 9, wherein, Handles are arranged at the two ends of the base plate.

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