Micro spot welding machine capable of rapidly switching calibration position

Abstract

The utility model discloses a micro spot welding machine capable of rapidly switching calibration positions, which comprises an operation table, pressing assemblies are arranged on the left side and the right side of the top of the operation table, each pressing assembly comprises a vertical plate, a transverse plate is welded on the top of each vertical plate, a pressing plate used for pressing a product is arranged at the bottom of each transverse plate, a spring is arranged between each transverse plate and the corresponding pressing plate, and the pressing plates are connected with the operation table. The top of the pressing plate is welded to the bottom of an outer ring of a bearing through a connecting rod, a round rod is welded to the top of an inner ring of the bearing, and the upper end of the round rod movably penetrates through the transverse plate. A displacement sensor is installed at the bottom of the pressing plate. The output end of the displacement sensor is electrically connected with the input end of the intelligent controller. The intelligent controller measures the thickness of a product to be welded through the displacement amount of the displacement sensor and then controls the electric cylinder to drive the welding machine head to move up and down so that calibration can be rapidly conducted, and products with different thicknesses can be welded conveniently. The pressing plate not only can press the product, but also can provide a carrier for the installation of the displacement sensor, and is multipurpose.

Description

Technical Field

[0001] The utility model relates to the technical field of welding machines, in particular to a micro spot welding machine capable of quickly switching calibration positions. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. Welding technology is widely used in industrial production.

[0003] As disclosed in the publication (announcement) number: CN206839454U, a welding machine is provided, which relates to the field of welding. The welding machine includes an omnidirectional moving device, a hanger and a welding film feeding device; the omnidirectional moving device includes a frame, and two sets of walking mechanisms are provided at both ends of the frame; the hanger includes a longitudinal guide rail and a transverse guide rail arranged vertically and crosswise, and a main frame; one end of the main frame is clamped with one side of the transverse guide rail; the other side of the transverse guide rail is clamped with one side of the longitudinal guide rail; the other side of the longitudinal guide rail is fixedly connected to the frame; the other end of the main frame is connected with the welding film feeding device; the welding film feeding device includes a vertical lifting mechanism, a horizontal moving mechanism and a clamping and pressing mechanism; the horizontal moving mechanism is arranged on the vertical lifting mechanism, and the horizontal moving mechanism is connected with a welding gun; the bottom end of the vertical lifting mechanism is connected with a clamping and pressing mechanism, and the clamping and pressing mechanism is used to position and press the welding sheet.

[0004] Although the welding machine of the application solves the technical problem of low efficiency of manual welding in a narrow environment in the prior art, the patent has certain defects such as difficulty in quickly switching the calibration position.

[0005] Therefore, it is necessary to design a micro-spot welding machine that can quickly switch the calibration position. Utility Model Content

[0006] The utility model aims to provide a micro spot welding machine capable of quickly switching calibration positions, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a micro spot welding machine capable of quickly switching calibration positions, comprising: an operating table, a top plate welded on the top of the operating table through a bracket, a horizontal linear motor installed on the bottom of the top plate through bolts, a longitudinal linear motor installed on the bottom of the electric slide of the horizontal linear motor through bolts, an electric cylinder installed on the bottom of the electric slide of the longitudinal linear motor through bolts, and a welding machine head installed on the bottom of the piston rod of the electric cylinder through bolts;

[0008] The left and right sides of the top of the operating table are provided with a clamping assembly, the clamping assembly includes a vertical plate, a horizontal plate is welded on the top of the vertical plate, a pressing plate for pressing the product is provided at the bottom of the horizontal plate, a spring is provided between the horizontal plate and the pressing plate, the top of the pressing plate is welded to the bottom of the outer ring of the bearing through a connecting rod, a round rod is welded on the top of the inner ring of the bearing, and the upper end of the round rod movably passes through the horizontal plate;

[0009] A displacement sensor is installed at the bottom of the pressing plate, and an intelligent controller is provided on one side of the top of the operating table. The output end of the displacement sensor is electrically connected to the input end of the intelligent controller, and the output end of the intelligent controller is electrically connected to the input ends of the transverse linear motor, the longitudinal linear motor and the electric cylinder.

[0010] By adopting the above technical solution: pull up the pressing plate, put two products to be welded on the operating table, press the products by the pressing plate, the displacement sensor moves as the thickness of the products to be welded changes, the intelligent controller measures the thickness of the products to be welded by the displacement of the displacement sensor, and then controls the electric cylinder to drive the welding head to move up and down for rapid calibration, drives the electric cylinder to drive the welding head to move back and forth by the longitudinal linear motor to weld the products to be processed, and facilitates the welding of products of different thicknesses through the joint action of the transverse linear motor, the longitudinal linear motor and the electric cylinder; the pressing plate can not only press the products, but also provide a carrier for the installation of the displacement sensor, which is multi-purpose in one.

[0011] Preferably, a rectangular protrusion is welded on one side of the middle portion of the round rod, and a sliding groove for the rectangular protrusion to pass through is opened on the horizontal plate.

[0012] By adopting the above technical solution: when the product needs to be taken out, the pressure plate is pulled upward by the round rod, so that the rectangular protrusion moves along the slide groove to the top of the horizontal plate, and then the round rod is twisted so that the rectangular protrusion rests on the horizontal plate. At this time, the rectangular protrusion is supported by the horizontal plate, and the pressure plate will not move downward, making it convenient to take out the product.

[0013] Preferably, the outer part of the spring is covered with a first round tube and a second round tube, and the first round tube is movably inserted into the inner part of the second round tube.

[0014] By adopting the above technical solution: the circular tube one moves up and down inside the circular tube two, thereby reducing the shaking of the pressing plate when it moves up and down.

[0015] Preferably, the outer walls of the top of circular tube one and the bottom of circular tube two are both provided with threads, the bottom of the horizontal plate and the top of the pressure plate are both provided with threaded holes, and the top of circular tube one and the bottom of circular tube two are respectively screwed to the top of the horizontal plate and the pressure plate.

[0016] By adopting the above technical solution: by twisting the round tube one and the round tube two, the disassembly and assembly of the round tube one and the round tube two are facilitated.

[0017] Preferably, a handle is welded on the top of the round rod.

[0018] By adopting the technical solution, the round rod can be easily pulled up by the handle.

[0019] Preferably, the four bottom corners of the operating table are rotatably mounted with self-locking universal wheels via a mounting frame.

[0020] By adopting the above technical solution: the overall movement of the welding machine is facilitated by the self-locking universal wheels.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The intelligent controller measures the thickness of the product to be welded through the displacement of the displacement sensor, and then controls the electric cylinder to drive the welding head to move up and down for rapid calibration. The longitudinal linear motor drives the electric cylinder to drive the welding head to move forward and backward to weld the product to be processed. The joint action of the transverse linear motor, the longitudinal linear motor and the electric cylinder facilitates the welding of products of different thicknesses. The pressure plate can not only press the product, but also provide a carrier for the installation of the displacement sensor, which is multi-purpose.

[0023] The pressing plate is pulled upward by the round rod, so that the rectangular protrusion moves along the slide groove to the top of the horizontal plate, and then the round rod is twisted so that the rectangular protrusion is placed on the horizontal plate. At this time, the rectangular protrusion is supported by the horizontal plate, and the pressing plate will not move downward, which is convenient for taking out the product;

[0024] By moving the first circular tube up and down inside the second circular tube, the shaking of the pressing plate when moving up and down is reduced; by twisting the first circular tube and the second circular tube, the disassembly and assembly of the first circular tube and the second circular tube are facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a front view of a micro spot welding machine capable of quickly switching calibration positions according to the utility model;

[0026] Figure 2 This is a front view of the micro spot welding machine capable of quickly switching the calibration position of the utility model;

[0027] Figure 3 It is a structural schematic diagram of the clamping assembly of the utility model.

[0028] In the figure: 100, operating table; 101, self-locking universal wheel; 110, bracket; 111, top plate; 120, horizontal linear motor; 121, vertical linear motor; 122, electric cylinder; 123, welding head; 130, vertical plate; 131, horizontal plate; 132, spring; 1321, round tube 1; 1322, round tube 2; 133, pressure plate; 134, displacement sensor; 140, round rod; 141, bearing; 142, handle; 143, rectangular protrusion; 144, slide; 200, intelligent controller. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 3 A micro spot welding machine capable of quickly switching calibration positions comprises: an operating table 100, wherein the four corners of the bottom of the operating table 100 are rotatably mounted with self-locking universal wheels 101 through a mounting frame; the self-locking universal wheels 101 facilitate the overall movement of the welding machine

[0031] A top plate 111 is welded on the top of the operating table 100 through a bracket 110, a horizontal linear motor 120 is installed on the bottom of the top plate 111 through bolts, a vertical linear motor 121 is installed on the bottom of the electric slide of the horizontal linear motor 120 through bolts, an electric cylinder 122 is installed on the bottom of the electric slide of the vertical linear motor 121 through bolts, and a welding head 123 is installed on the bottom of the piston rod of the electric cylinder 122 through bolts;

[0032] The left and right sides of the top of the operating table 100 are provided with a clamping assembly, which includes a vertical plate 130, a horizontal plate 131 is welded to the top of the vertical plate 130, a clamping plate 133 for pressing the product is provided at the bottom of the horizontal plate 131, a spring 132 is provided between the horizontal plate 131 and the clamping plate 133, the top of the clamping plate 133 is welded to the bottom of the outer ring of the bearing 141 through a connecting rod, a round rod 140 is welded to the top of the inner ring of the bearing 141, the upper end of the round rod 140 movably passes through the horizontal plate 131, and a handle 142 is welded to the top of the round rod 140; the handle 142 is used to facilitate the round rod 140 to be pulled up;

[0033] A displacement sensor 134 is installed at the bottom of the pressure plate 133, and an intelligent controller 200 is provided on the top side of the operating table 100. The output end of the displacement sensor 134 is electrically connected to the input end of the intelligent controller 200, and the output end of the intelligent controller 200 is electrically connected to the input ends of the transverse linear motor 120, the longitudinal linear motor 121 and the electric cylinder 122.

[0034] A rectangular protrusion 143 is welded on one side of the middle of the round rod 140, and a slide groove 144 is provided on the cross plate 131 for the rectangular protrusion 143 to pass through; when the product needs to be taken out, the pressing plate 133 is pulled upward by the round rod 140, so that the rectangular protrusion 143 moves along the slide groove 144 to the top of the cross plate 131, and then the round rod 140 is twisted so that the rectangular protrusion 143 rests on the cross plate 131. At this time, the rectangular protrusion 143 is supported by the cross plate 131, and the pressing plate 133 does not move downward, which is convenient for taking out the product. Figure 2 shown.

[0035] The outer part of the spring 132 is provided with a round tube 1321 and a round tube 1322, and the round tube 1321 is movably inserted into the inner part of the round tube 1322; the outer wall of the top of the round tube 1321 and the bottom of the round tube 1322 are both provided with threads, the bottom of the horizontal plate 131 and the top of the pressing plate 133 are both provided with threaded holes, and the top of the round tube 1321 and the bottom of the round tube 1322 are respectively screwed with the top of the horizontal plate 131 and the top of the pressing plate 133. The round tube 1321 moves up and down in the round tube 1322, which reduces the shaking of the pressing plate 133 when it moves up and down; by twisting the round tube 1321 and the round tube 1322, the disassembly and assembly of the round tube 1321 and the round tube 1322 are facilitated.

[0036] Structural principle: pull up the pressing plate 133, put two products to be welded on the operating table 100, press the products by the pressing plate 133, and the displacement sensor 134 will move as the thickness of the products to be welded changes. The intelligent controller 200 measures the thickness of the products to be welded by the displacement of the displacement sensor 134, and then controls the electric cylinder 122 to drive the welding head 123 to move up and down for rapid calibration. The longitudinal linear motor 121 drives the electric cylinder 122 to drive the welding head 123 to move back and forth to weld the products to be processed. The joint action of the transverse linear motor 120, the longitudinal linear motor 121 and the electric cylinder 122 facilitates the welding of products of different thicknesses. The pressing plate 133 can not only press the products, but also provide a carrier for the installation of the displacement sensor 134, which is multi-purpose in one.

[0037] In summary:

[0038] The intelligent controller 200 measures the thickness of the product to be welded by the displacement of the displacement sensor 134, and then controls the electric cylinder 122 to drive the welding head 123 to move up and down to quickly calibrate, and drives the electric cylinder 122 to drive the welding head 123 to move forward and backward to weld the product to be processed by the longitudinal linear motor 121. The joint action of the transverse linear motor 120, the longitudinal linear motor 121 and the electric cylinder 122 facilitates the welding of products of different thicknesses; the pressing plate 133 can not only press the product, but also provide a carrier for the installation of the displacement sensor 134, which is multi-purpose in one.

[0039] The pressing plate 133 is pulled upward by the round rod 140, so that the rectangular protrusion 143 moves along the slide groove 144 to the top of the horizontal plate 131, and then the round rod 140 is twisted so that the rectangular protrusion 143 is placed on the horizontal plate 131. At this time, the rectangular protrusion 143 is supported by the horizontal plate 131, and the pressing plate 133 does not move downward, so that the product can be taken out conveniently;

[0040] By moving the circular tube 1321 up and down in the circular tube 2 1322, the shaking of the pressing plate 133 when moving up and down is reduced; by twisting the circular tube 1321 and the circular tube 2 1322, the disassembly and assembly of the circular tube 1321 and the circular tube 2 1322 are facilitated.

[0041] It should be noted that the displacement sensor 134 of the present application is preferably a GFL-Z30N-RS485 displacement sensor, and the intelligent controller 200 is preferably a PLC intelligent controller. The wiring principle thereof is prior art and will not be described in detail here.

[0042] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A micro spot welding machine capable of quickly switching calibration positions, It is characterized in that include: An operating table (100), wherein a top plate (111) is welded above the operating table (100) via a bracket (110), a transverse linear motor (120) is mounted on the bottom of the top plate (111) via bolts, a longitudinal linear motor (121) is mounted on the bottom of an electric slide of the transverse linear motor (120) via bolts, an electric cylinder (122) is mounted on the bottom of the electric slide of the longitudinal linear motor (121) via bolts, and a welding machine head (123) is mounted on the bottom of a piston rod of the electric cylinder (122) via bolts; A clamping assembly is provided on both the left and right sides of the top of the operating table (100), and the clamping assembly includes a vertical plate (130), a horizontal plate (131) is welded to the top of the vertical plate (130), a pressing plate (133) for pressing the product is provided at the bottom of the horizontal plate (131), a spring (132) is provided between the horizontal plate (131) and the pressing plate (133), the top of the pressing plate (133) is welded to the bottom of the outer ring of the bearing (141) through a connecting rod, a round rod (140) is welded to the top of the inner ring of the bearing (141), and the upper end of the round rod (140) movably passes through the horizontal plate (131); A displacement sensor (134) is installed at the bottom of the pressing plate (133); an intelligent controller (200) is provided on one side of the top of the operating table (100); an output end of the displacement sensor (134) is electrically connected to an input end of the intelligent controller (200); and an output end of the intelligent controller (200) is electrically connected to input ends of the transverse linear motor (120), the longitudinal linear motor (121), and the electric cylinder (122).

2. A micro spot welding machine capable of quickly switching calibration positions according to claim 1, Features: A rectangular protrusion (143) is welded to one side of the middle of the round rod (140), and a sliding groove (144) for the rectangular protrusion (143) to pass through is provided on the transverse plate (131).

3. A micro spot welding machine capable of quickly switching calibration positions according to claim 1, Features: The spring (132) is externally sleeved with a first circular tube (1321) and a second circular tube (1322), and the first circular tube (1321) is movably inserted into the interior of the second circular tube (1322).

4. A micro spot welding machine capable of quickly switching calibration positions according to claim 3, Features: The top of the circular tube 1 (1321) and the bottom outer wall of the circular tube 2 (1322) are both provided with threads, the bottom of the transverse plate (131) and the top of the pressure plate (133) are both provided with threaded holes, and the top of the circular tube 1 (1321) and the bottom of the circular tube 2 (1322) are respectively screwed to the top of the transverse plate (131) and the top of the pressure plate (133).

5. A micro spot welding machine capable of quickly switching calibration positions according to claim 1, Features: A handle (142) is welded to the top of the round rod (140).

6. A micro spot welding machine capable of quickly switching calibration positions according to claim 1, Features: Self-locking universal wheels (101) are rotatably mounted on the four corners of the bottom of the operating table (100) via a mounting frame.

Images