A bracket, a welding device

Abstract

The present invention discloses a bracket and welding equipment. The bracket includes a column, a first cantilever component, a first component, a lever component, a first elastic member, and a second elastic member. The first cantilever component and the first component are respectively rotatably mounted on the column. The lever component is rotatably mounted on the first component. The lever component drives the first component to swing to trigger the switch component. The lever component is provided with a first force-applying portion, which causes the first cantilever component to swing. The first elastic member applies a force to the first cantilever component, and the torque of the first elastic member on the first cantilever component is opposite to the torque of the first force-applying portion. The second elastic member applies a force to the first component. The lever component applies a force to the first component via a first hinge axis, and the torque of the second elastic member on the first component is opposite to the torque of the first hinge axis. A welding gun is provided on the first cantilever component, and the first cantilever component swings to make the welding gun contact the welding point. The present invention can be widely applied in the field of mask technology.

Description

Technical Field

[0001] The present invention relates to the technical field of masks, and in particular to a bracket and welding equipment. Background Art

[0002] Currently, mask production consists of two steps: the mask body and the earloop connection. Because masks have multiple layers, contain specialized filtration layers, and maintain high hygiene standards, the production of the mask body is largely automated. However, the connection between the mask body and the earloops still relies heavily on semi-automatic or manual operations, commonly performed using sewing machines, ultrasonic welders, and handheld welding torches.

[0003] Using a sewing machine to sew the ends of the earloop cords to the mask body provides a good connection and resists tearing, but this method is inefficient. A fully automatic ultrasonic earloop welder uses the heat generated by ultrasound to weld the earloops to the mask body, offering high efficiency and quality. However, this machine is expensive.

[0004] Handheld welding guns are widely used by businesses due to their affordability and low investment costs. The welding process with a handheld welding gun consists of two steps: 1. Hold the welding gun handle and press the welding tip against the end of the ear hook and the main body of the mask. 2. Press the switch, sending a trigger signal to the controller, which generates ultrasonic waves. After about 0.3 seconds of welding, the ultrasonic waves disappear, and the weld is complete.

[0005] The quality of handheld welding, when completed with a welding torch, depends on the operator's experience and proficiency. Maintaining consistent vertical torch position and pressure at the weld point is difficult from one operation to the next. During operation, the operator must hold the torch with one hand while simultaneously holding the ear hook and securing the mask with the other, making it easy to lose focus. This results in low welding yields, high rework rates, and inconsistent welding quality. Summary of the Invention

[0006] In order to solve at least one of the above technical problems and improve the quality of welding using a welding gun, the present invention provides a bracket and a welding device, and the technical solutions adopted are as follows:

[0007] The bracket provided by the present invention includes a column, a first cantilever component, a first component, a lever component, a first elastic member, and a second elastic member. The first cantilever component is rotatably mounted on the column, and the first cantilever component is used to mount a welding gun; the first component is rotatably mounted on the column, and the first component is used to trigger a switch component to start the welding gun; the lever component is rotatably mounted on the first component, and the lever component is used to drive the first component to swing to trigger the switch component. The lever component is provided with a first force-applying portion for applying force to the first cantilever component, and the first cantilever component swings under the action of the first force-applying portion; the first elastic member is used to apply an elastic force to the first cantilever component, and the torque generated by the first elastic member applying the force on the first cantilever component is opposite in direction to the torque generated by the first force-applying portion applying the force on the first cantilever component; the second elastic member is used to apply an elastic force to the first component; wherein the lever component is rotatably mounted on the first component via a first hinge shaft, and the lever component applies a force to the first component via the first hinge shaft to cause the first component to swing, and the torque generated by the second elastic member applying the force on the first component is opposite in direction to the torque generated by the first hinge shaft applying the force on the first component.

[0008] In some embodiments of the present invention, the bracket includes a first stopping component, and when the first cantilever component swings under the action of the first elastic member, the first stopping component is used to stop the first cantilever component from rotating.

[0009] In some embodiments of the present invention, the bracket includes a second stopping component, and when the first component swings under the action of the second elastic member, the second stopping component is used to stop the first component from rotating.

[0010] In certain embodiments of the present invention, the bracket includes a third stop component, which is arranged on the first component. When the first cantilever component generates a force on the lever component through the first force-applying part to cause the lever component to rotate, the third stop component is used to stop the lever component from rotating.

[0011] In some embodiments of the present invention, the elastic force exerted by the second elastic member on the first member is greater than the elastic force exerted by the first elastic member on the first cantilever member.

[0012] In some embodiments of the present invention, one end of the first elastic member is disposed on the column and / or one end of the second elastic member is disposed on the column.

[0013] The bracket provided by the present invention includes a column, a first cantilever component, a first component, a lever component, a first elastic component, a second elastic component, a second cantilever component and a connecting rod, wherein the second cantilever component is rotatably arranged on the column; the connecting rod is hingedly installed with the first cantilever component and the second cantilever component respectively, and the connecting rod is used to install a welding gun.

[0014] In some embodiments of the present invention, one end of the first elastic member is disposed on the second cantilever component or the first cantilever component or the connecting rod, and the other end is disposed on the column.

[0015] The welding equipment provided by the present invention comprises a welding gun, a switch component and a bracket.

[0016] In some embodiments of the present invention, the welding device includes a second force-applying component, which is used to apply force to the lever component to achieve a lever action of the lever component, and the second force-applying component is configured as a foot pedal.

[0017] The embodiments of the present invention have at least the following beneficial effects: the welding gun is mounted on the first cantilever component, replacing the manual handheld welding gun. The first cantilever component swings to allow the welding gun to contact and remove from the welding point, ensuring consistent verticality each time the welding gun contacts the welding point. The pressure of the welding gun at the welding point is the result of the combined action of the first elastic member and the second elastic member, maintaining a constant pressure and improving welding quality. The present invention can be widely applied in the field of mask technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0019] Figure 1 The structure of the bracket is shown in the figure, and the bracket is not provided with the second cantilever component;

[0020] Figure 2 The figure shows the structure of the bracket, which is provided with a second cantilever component. DETAILED DESCRIPTION

[0021] The following combination Figures 1 to 2 Embodiments of the present invention are described in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and are not to be construed as limiting the present invention.

[0022] In the description of the present invention, it should be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The features defined as "first" and "second" are used to distinguish the feature names, and do not have special meanings. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0023] In the description of the present invention, 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 may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct 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 the present invention based on the specific circumstances.

[0024] The present invention relates to a bracket for mounting a welding gun 201 of welding equipment. The bracket replaces manual operation of the welding gun 201, maintaining the verticality of the welding gun 201 and ensuring consistent pressure at the weld point. Specifically, the bracket includes a column 101, which is mounted vertically on a workbench 204 of the welding equipment. Furthermore, the bracket includes a first cantilever component 102, which is configured as a beam structure and is rotatably mounted on the column 101. The first cantilever component 102 is rotatably mounted to the column 101 via a second hinge axis.

[0025] The first cantilever component 102 is used to install the welding gun 201. Specifically, the first cantilever component 102 installs the welding gun 201 through a clamping structure, screws or bolts. In this case, since the welding gun 201 is locked and fixed to the first cantilever component 102, when the first cantilever component 102 swings to make the welding gun 201 contact the welding point, the welding gun 201 and the workbench 204 of the welding equipment remain in a vertical state. It can be understood that the fixed installation of the welding gun 201 and the first cantilever component 102 should ensure that the welding gun 201 reaches this vertical state, thereby solving the problem that manual operation cannot ensure that the welding gun 201 remains vertical during each welding, and ensuring that the contact surface between the welding head section of the welding gun 201 and the ear hook and mask body is evenly stressed.

[0026] The bracket includes a first component 103, which is configured as a beam structure and is rotatably mounted on the column 101. The first component 103 is rotatably mounted to the column 101 via a third hinge axis. The first component 103 is used to trigger the switch component 202 to activate the welding gun 201. Specifically, the switch component 202 is configured as a travel switch. When the first component 103 swings to the position where the switch component 202 is located, the first component 103 triggers the switch component 202 to activate the welding gun 201. The switch component 202 can also be configured as a proximity switch. In conjunction with the accompanying drawings, the bracket includes a first mounting component 112, which is used to mount the switch component 202 for switching the welding gun 201. Specifically, the first mounting component 112 is mounted on the column 101, or the first mounting component 112 is mounted on the structure of the welding equipment where the bracket is located.

[0027] The bracket further includes a lever component 104, which is configured as a beam structure and is rotatably mounted on the first component 103. Referring to the accompanying drawings, one end of the first component 103 is hingedly mounted to the lever component 104, and the other end is hingedly mounted to the column 101. The lever component 104 is used to drive the first component 103 to rotate about a third hinge axis to a predetermined position, thereby triggering the switch component 202. Specifically, when an external force is applied to the lever component 104, the lever component 104 first drives the first cantilever component 102 to swing. After the welding head presses the ear hook and the mask body together and contacts the surface of the workbench 204, the first cantilever component 102 stops swinging, and the lever component 104 then drives the first component 103 to swing. Referring to the accompanying drawings, the lever component 104 is rotatably mounted to the first component 103 via a first hinge axis. The lever component 104 applies force to the first component 103 via the first hinge axis, causing the first component 103 to swing. The first hinge axis serves as both a rotation axis and a force transmitter.

[0028] The lever component 104 is provided with a first force-applying portion for applying force to the first cantilever component 102. Under the action of the first force-applying portion, the first cantilever component 102 swings. In conjunction with the accompanying drawings, the first force-applying portion is provided at the end of the lever component 104. The first force-applying portion applies force to the first cantilever component 102 by pressing against the side surface of the first cantilever component 102. When an external force is applied to the lever component 104, as the lever component 104 rotates, the first force-applying portion applies force to the first cantilever component 102, and the first force-applying portion slides along the side surface of the first cantilever component 102. Of course, as an alternative, a slide groove is provided on the first cantilever component 102. When the first force-applying portion applies force to the cantilever component 102, the first force-applying portion moves along the slide groove.

[0029] The bracket includes a first elastic member 105, which is used to apply an elastic force to the first cantilever member 102. The elastic force drives the first cantilever member 102 to swing. The torque generated by the force of the first elastic member 105 on the first cantilever member 102 is opposite in direction to the torque generated by the force applied by the first force-applying portion on the first cantilever member 102. It can be understood that the force applied by the first elastic member 105 causes the first cantilever member 102 to have a tendency to reset. When the lever member 104 releases the force applied to the first cantilever member 102, the first cantilever member 102 swings in the opposite direction under the action of the first elastic member 105, achieving reset, and the welding gun 201 leaves the welding point. In conjunction with the accompanying drawings, one end of the first elastic member 105 is mounted to the first cantilever member 102, and the first elastic member 105 is configured as a tension spring.

[0030] The description of forward and reverse involved in the present invention document is that when external force is applied to the lever component 104, the welding gun 201 approaches the welding point, and the first component 103 approaches the switch component 202, the rotation direction of the described components is forward.

[0031] With reference to the accompanying drawings, the bracket includes a first stopper 107. When the first cantilever member 102 swings under the action of the first elastic member 105, the first stopper 107 is used to stop the first cantilever member 102 from swinging. Specifically, the first stopper 107 is used to abut the side of the first cantilever member 102. Furthermore, the first stopper 107 is provided on the column 101. Of course, as an alternative, the first stopper 107 can also be provided on the structure of the welding equipment where the bracket is located.

[0032] It is understood that when the first cantilever member 102 swings in the opposite direction to reset, the force exerted by the first cantilever member 102 on the first force-applying portion causes the lever member 104 to swing in the opposite direction. Referring to the accompanying drawings, the bracket includes a third stop member 109, which is disposed on the first member 103. When the first cantilever member 102 exerts the force on the lever member 104 through the first force-applying portion, causing the lever member 104 to rotate, the third stop member 109 is used to stop the lever member 104 from rotating. Specifically, the third stop member 109 stops the lever member 104 from rotating by abutting against the side surface of the lever member 104.

[0033] The bracket includes a second elastic member 106, which is used to apply an elastic force to the first member 103. The elastic force drives the first member 103 to swing. The torque generated by the force of the second elastic member 106 on the first member 103 is opposite in direction to the torque generated by the force of the first hinge shaft on the first member 103. It can be understood that the force of the second elastic member 106 causes the first member 103 to have a tendency to reset. When the external force applied to the lever member 104 is released, the first member 103 swings in the opposite direction under the action of the second elastic member 106, achieving reset, and the first member 103 is separated from the switch member 202. With reference to the accompanying drawings, one end of the second elastic member 106 is mounted to the first hinge shaft, and the second elastic member 106 is configured as a tension spring. Of course, one end of the second elastic member 106 can also be mounted on the first member 103.

[0034] With reference to the accompanying drawings, the bracket includes a second stop member 108. When the first member 103 swings under the action of the second elastic member 106, the second stop member 108 is used to stop the first member 103 from rotating. Specifically, the second stop member 108 stops the first member 103 from swinging by abutting against the side of the first member 103. Furthermore, the second stop member 108 is provided on the column 101. Of course, the first stop member 107 can also be provided on the structure of the welding equipment where the bracket is located.

[0035] One end of the first elastic member 105 is mounted on the column 101, and / or one end of the second elastic member 106 is mounted on the column 101. The other end of the first elastic member 105 is used to drive the first cantilever component 102 to swing, and the other end of the second elastic member 106 is used to drive the first component 103 to swing. It is understood that the first elastic member 105 can be mounted on the column 101 or on the structure of the welding equipment where the bracket is located; the second elastic member 106 can be mounted on the column 101 or on the structure of the welding equipment where the bracket is located.

[0036] Furthermore, a force adjuster 111 is provided at the end of the first elastic member 105, and a force adjuster 111 is provided at the end of the second elastic member 106, for adjusting the magnitude of the elastic force. Specifically, the force adjuster 111 is provided with an external thread. For example, taking one end of the first elastic member 105 mounted on the column 101, the column 101 is provided with a through hole. One end of the force adjuster 111 is connected to the first elastic member 105, and the other end passes through the through hole. The force adjuster 111 is fixed to the column 101 by a nut. When the elastic force needs to be adjusted, the nut is rotated to move the force adjuster 111 in the through hole, thereby adjusting the stretching degree of the first elastic member 105.

[0037] During operation, an external force is applied to lever member 104, which first pries first cantilever member 102, causing welding gun 201 to contact the weld. First cantilever member 102 then stops swinging. External force is then applied to lever member 104, causing lever member 104 to overcome the elastic force of second elastic member 106, causing first member 103 to swing until first member 103 triggers switch member 202. Furthermore, to ensure that welding gun 201 first contacts the weld before first member 103 triggers switch member 202, the elastic force applied by second elastic member 106 on first member 103 is greater than the elastic force applied by first elastic member 105 on first cantilever member 102. It is understood that the force applied by welding gun 201 to the weld is the difference between the elastic forces of second elastic member 106 and first elastic member 105, and is independent of the magnitude of the external force applied to lever member 104. This ensures a constant welding pressure, resolving the issue of manually holding welding gun 201 and ensuring consistent force each time.

[0038] In some examples, the difference in elastic force between the first elastic member 105 and the second elastic member 106 is achieved by designing them to have different elastic coefficients; in some examples, the difference in elastic force between the first elastic member 105 and the second elastic member 106 is achieved by designing them to have different stretching lengths, for example, by adjusting the stretching amount of the first elastic member 105 and the second elastic member 106 respectively through the elastic force regulator 111.

[0039] In some embodiments of the present invention, the bracket includes a column 101, a first cantilever component 102, a first component 103, a lever component 104, a first elastic member 105, a second elastic member 106, a second cantilever component 110 and a connecting rod 113. The second cantilever component 110 is configured as a beam structure. The second cantilever component 110 is rotatably disposed on the column 101. The connecting rod 113 is hingedly mounted to the first cantilever component 102 and the second cantilever component 110, respectively. The connecting rod 113 is used to install the welding gun 201.

[0040] During normal use, the welding gun 201 should remain perpendicular to the worktable 204 of the welding equipment. Therefore, the second cantilever component 110 should be parallel to the first cantilever component 102, and the welding gun 201 should be parallel to the vertical direction of the column 101. After the second cantilever component 110, the first cantilever component 102, the column 101, and the connecting rod 113 are installed, the four installation points form the four corners of a parallelogram, and each of the four corners of the parallelogram is a hinged installation point. When the first cantilever component 102 and the second cantilever component 110 rotate synchronously, the connecting rod 113 remains parallel to the column 101, that is, the welding gun 201 remains perpendicular to the worktable 204 of the welding equipment.

[0041] Of course, as an alternative, the connecting rod 113 can also be set as a structure on the welding gun 201. It can be understood that the welding gun 201 has two hinged mounting points, which are used to be installed with the first cantilever component 102 and the second cantilever component 110 respectively.

[0042] Furthermore, one end of the first elastic member 105 is disposed on the second cantilever member 110, the first cantilever member 102, or the connecting rod 113, and the other end is disposed on the column 101. Referring to the accompanying drawings, one end of the first elastic member 105 is disposed on the second cantilever member 110; however, the end of the first elastic member 105 may also be disposed on the first cantilever member 102. It is understood that when the first cantilever member 102 and the second cantilever member 110 swing under the action of the first elastic member 105, the first stop member 107 can be used to abut against the side of the first cantilever member 102 or the second cantilever member 110 to stop the first cantilever member 102 and the second cantilever member 110 from rotating.

[0043] The present invention relates to a welding device for producing masks. The welding device includes a welding gun 201, a switch component 202, and the aforementioned bracket. It is understood that the welding device includes a control device that is configured to communicate with the switch component 202 and the welding gun 201. The control device controls the start and stop of the welding gun 201 based on signals from the switch component 202. The welding gun 201 is configured as an ultrasonic welding gun. Referring to the accompanying drawings, the welding device includes a workbench 204, and the bracket is mounted on the workbench 204. Specifically, the column 101 is disposed on the workbench 204.

[0044] Furthermore, the welding equipment includes a second force-applying component 203, which is used to apply force to the lever component 104 to achieve the lever effect of the lever component 104. Specifically, the second force-applying component 203 is configured as a foot pedal, which is connected to the lever component 104 via a connecting cable. When the operator steps on the foot pedal, the lever component 104 begins to rotate, driving the first cantilever component 102 and the first component 103 to swing. Of course, as an alternative, the second force-applying component 203 can also be configured to be hingedly mounted to the workbench 204 at one end and connected to the lever component 104 at the other end via a connecting cable. The second force-applying component 203 acts as a lever, and the operator applies force to the second force-applying component 203 with their feet. It is understandable that the operator applies force with their feet, freeing up both hands to hold the ear hooks and the mask body.

[0045] Throughout this specification, references to "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" refer to specific features, structures, materials, or characteristics described in conjunction with the embodiment or example in at least one embodiment or example of the present invention. In this specification, the illustrative use of these terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A bracket, characterized in that: include Column (101); a first cantilever component (102), the first cantilever component (102) being rotatably mounted on the column (101), and the first cantilever component (102) being used to mount a welding gun (201); a first component (103), the first component (103) being rotatably mounted on the column (101), the first component (103) being used to trigger a switch component (202) to start a welding gun (201); a lever component (104), the lever component (104) being rotatably mounted on the first component (103), the lever component (104) being used to drive the first component (103) to swing so as to trigger the switch component (202), the lever component (104) being provided with a first force-applying portion for applying force to the first cantilever component (102), and the first cantilever component (102) swinging under the action of the first force-applying portion; a first elastic member (105), the first elastic member (105) being used to apply an elastic force to the first cantilever member (102), the torque generated by the force of the first elastic member (105) on the first cantilever member (102) being in a direction opposite to the torque generated by the force of the first force applying portion on the first cantilever member (102); a second elastic member (106), the second elastic member (106) being used to apply an elastic force to the first member (103); The lever component (104) is rotatably mounted on the first component (103) via a first hinge shaft, the lever component (104) applies force to the first component (103) via the first hinge shaft to cause the first component (103) to swing, and the torque generated by the force of the second elastic component (106) on the first component (103) is in the opposite direction to the torque generated by the force of the first hinge shaft on the first component (103); The bracket comprises a first stop component (107), and when the first cantilever component (102) swings under the action of the first elastic component (105), the first stop component (107) is used to stop the first cantilever component (102) from rotating; The bracket includes a second stop component (108), and when the first component (103) swings under the action of the second elastic component (106), the second stop component (108) is used to stop the first component (103) from rotating; The bracket includes a third stop component (109), the third stop component (109) being arranged on the first component (103), and when the first cantilever component (102) generates a force on the lever component (104) through the first force-applying portion to cause the lever component (104) to rotate, the third stop component (109) is used to stop the lever component (104) from rotating; The elastic force exerted by the second elastic member (106) on the first member (103) is greater than the elastic force exerted by the first elastic member (105) on the first cantilever member (102).

2. The bracket according to claim 1, wherein: One end of the first elastic member (105) is arranged on the column (101) and / or one end of the second elastic member (106) is arranged on the column (101).

3. The bracket according to claim 1, wherein: The bracket also includes a second cantilever component (110), the second cantilever component (110) being rotatably disposed on the column (101); A connecting rod (113), the connecting rod (113) being hingedly mounted to the first cantilever component (102) and the second cantilever component (110), respectively, and the connecting rod (113) being used for mounting a welding gun (201).

4. The bracket according to claim 3, characterized in that: One end of the first elastic member (105) is arranged on the second cantilever component (110) or the first cantilever component (102) or the connecting rod (113), and the other end is arranged on the column (101).

5. A welding device, characterized in that: It comprises a welding gun (201), a switch component (202), and a bracket according to any one of claims 1 to 4.

6. The welding equipment according to claim 5, characterized in that: The welding device comprises a second force-applying component (203), the second force-applying component (203) being used to apply force to the lever component (104) to achieve the lever action of the lever component (104), and the second force-applying component (203) being configured as a foot pedal.

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