Automatic sheet welding equipment

Abstract

Automatic sheet welding equipment comprises a rack, an ultrasonic welding device, a welding head, a welding air cylinder and a splicing conveying assembly, a sheet product is conveyed to the position between the welding head and the ultrasonic welding device through the splicing conveying assembly, the splicing conveying assembly comprises a feeding plate, a discharging plate, a feeding blocking strip, a discharging blocking strip and a traction device, and the spliced product is pulled by the traction device and is conveyed to the welding head through the welding air cylinder. The traction device comprises a traction device mounting plate, an upper traction roller, a lower traction roller, a motor and a floating device, the floating device drives the upper traction roller to ascend and descend so as to change the gap between the upper traction roller and the lower traction roller to facilitate material penetration or / and change the traction pressure by adjusting the floating device, and the photoelectric sensor assembly senses detection of the product cache height in real time. According to the automatic welding equipment, additional auxiliary materials are not needed, and the cost is low; the buffering height of the product can be flexibly set, and the risk that the buffering amount is large or the tensioning force is too large and the product is torn in the conveying process of the front station and the rear station is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of exposure, in particular to automatic sheet welding equipment. Background Art

[0002] Sheet materials need to be converted into rolls through manual splicing before production. The traditional method uses adhesive auxiliary materials for splicing, which will increase the cost of additional auxiliary materials. At the same time, it has high operating requirements for operators, which can easily lead to inaccurate splicing positions and unstable splicing firmness, causing the rolls to break easily during later use. In addition, there is also the defect of low production efficiency.

[0003] The utility model provides a sheet material automatic welding device to solve all or part of the above technical problems. Utility Model Content

[0004] A sheet material automatic welding device comprises: a frame, an ultrasonic welder, a welding head, and a welding cylinder, wherein the ultrasonic welder, the welding head, and the welding cylinder are directly or indirectly fixedly connected to the frame, the piston shaft end of the welding cylinder is fixedly connected to the welding head, the ultrasonic welder and the welding head are respectively located on the upper and lower sides of a product, and optionally, further comprises a splicing transmission component, the splicing transmission component is directly or indirectly fixedly connected to the frame, and the splicing transmission component is used for automatic transmission of sheet products before and after splicing.

[0005] Preferably, in the automatic sheet welding equipment, the splicing conveying assembly includes a feed plate, a discharge plate, a feed baffle, a discharge baffle and a traction device, the feed plate and the discharge plate are respectively fixedly connected to the frame, the feed baffle and the discharge baffle are respectively installed on the plate surfaces of the feed plate and the discharge plate, the adjacent side surfaces of the feed plate and the discharge plate are processed with splicing avoidance notches, the welding head and the ultrasonic welder are respectively located on the upper and lower sides of the splicing avoidance notches, and the welding cylinder is installed above the splicing avoidance hole through a support frame.

[0006] Preferably, in the automatic sheet material welding equipment, the lower plate surface of the lower pressure plate in the welding head is a spaced notch-shaped structure.

[0007] Preferably, in the automatic sheet welding equipment, the feed end and the discharge end of the feed baffle are provided with a first inclined edge; the front end of the discharge baffle is provided with a second inclined edge, and the discharge baffle is provided with a height limiting plate, and the height limiting plate and the discharge baffle are an integral structure or a spliced ​​fixed structure.

[0008] Preferably, in the automatic sheet welding equipment, the plate surfaces of the feed plate and the discharge plate are processed with spacing grooves, and the feed baffle bar and the discharge baffle bar are respectively fixed in the spacing grooves of the feed plate and the discharge plate by screws, and the positions of the feed baffle bar and the discharge baffle bar in the spacing grooves are adjusted to adapt to the use of sheet products of different widths.

[0009] Preferably, in the automatic sheet welding equipment, the traction device comprises a traction device mounting plate, an upper traction roller, a lower traction roller, a motor, and a floating device; the traction device mounting plate is fixedly connected to the frame, both ends of the lower traction roller are rotatably connected to the traction device mounting plate, the housing of the motor is fixed to the surface of the traction device mounting plate and the output end is connected to the lower traction roller, both ends of the upper traction roller are floatingly mounted on the traction device mounting plates on both sides through the floating device, the gap between the upper traction roller and the lower traction roller is changed by adjusting the floating device to facilitate material threading or / and the traction pressure is changed by adjusting the floating device.

[0010] Preferably, in the automatic sheet welding equipment, the floating device comprises a floating block, a floating spring, a locking nut, a locking screw, and a locking support block; the surface of the traction device mounting plate is processed with a floating groove, the floating block rises and falls along the floating groove, the locking support block is fixedly connected to the traction device mounting plate, the locking nut is located on the upper surface of the locking support block, the locking screw is matched with the internal thread of the locking nut and the floating spring is arranged in the center blind hole of the locking screw, the upper end of the floating spring is fixedly connected to the top end surface of the center blind hole, and the lower end abuts against the upper surface of the floating block, and both ends of the upper traction roller are directly or indirectly rotatably mounted to the floating block.

[0011] Preferably, in the automatic sheet welding equipment, the floating device also includes a cam interference plate, a camshaft, and a rotating shaft. The camshaft is provided at both ends of the upper traction roller and the end of the camshaft is processed with an anti-interference avoidance groove. The camshaft is rotatably mounted on the floating block surface, the end of the camshaft is fixed with the rotating shaft, the cam interference plate is fixed to the surface of the traction device mounting plate, and in a normal traction state, the anti-interference avoidance groove is located directly above the cam interference plate; or, the floating device 555 also includes an arc-shaped guide support curved panel, and the arc-shaped guide support curved panel is mounted on the surface of the traction device mounting plate.

[0012] Preferably, the automatic sheet welding equipment also includes a photoelectric sensor assembly, which includes a photoelectric sensor, a transverse support rod, a vertical support rod, and a support rod mounting seat. The transverse support rod is fixed to the frame, and the transverse support rod and the vertical support rod are both fixed by the support rod mounting seat, and the photoelectric sensor is fixed by the vertical support rod.

[0013] Preferably, in the automatic sheet material welding equipment, the support rod mounting seat includes a first mounting plate, a second mounting plate, and an intermediate support plate, the first mounting plate and the second mounting plate have their plate surfaces close to the intermediate support plate processed with support rod accommodating grooves, the intermediate support plate is located between the first mounting plate and the second mounting plate, the first mounting plate, the second mounting plate, and the intermediate support plate have their plate surfaces processed with fastening threaded holes, and the first mounting plate, the second mounting plate, and the intermediate support plate are locked by fastening screw assemblies.

[0014] Here’s how it works:

[0015] The sheet products are fed from the end of the feed plate, and the adjacent parts of the front and rear sheet products to be spliced ​​are located between the welding head and the ultrasonic welder. The welding head presses down to ultrasonically weld the front and rear sheet products and then lifts them up. The spliced ​​sheet products are pulled backward by the traction device. During the traction process, the photoelectric sensor component is used to sense whether there is a product cache at the set height. When it is sensed that there is no product cache, the speed of conveying the spliced ​​product to the next workstation will be paused or slowed down, or the speed of conveying the product before splicing will be accelerated to ensure that the length of the cached product is within a controllable range.

[0016] The automatic sheet welding equipment involved in the utility model does not require additional auxiliary materials and has low cost; it has automated operation, high splicing position accuracy, stable splicing quality, reduced dependence on operator experience, and high production efficiency; the product buffer height can be flexibly set to avoid the risk of large product buffer volume or excessive tension and product tearing due to large differences in transmission speeds between front and rear workstations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The specific implementation is further described below in conjunction with the accompanying drawings, wherein:

[0018] Figure 1 This is a schematic diagram of the overall structure of a sheet material automatic welding device involved in the utility model;

[0019] Figure 2 , 3 It is a schematic diagram of the structure of the splicing transmission component and its surrounding structure from different viewing angles involved in the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the photoelectric sensor assembly involved in the utility model;

[0021] The specific structure corresponding to the number is as follows:

[0022] Frame 1, exhaust fan hole 11, ultrasonic welder 2, exhaust fan 21, welding head 3, lower pressure plate 31, welding cylinder 4, hollow aluminum extrusion 41, splicing transmission component 5, feed plate 51, discharge plate 52, feed stop bar 53, first inclined edge 531, discharge stop bar 54, second inclined edge 541, height limit plate 542, traction device 55, traction device mounting plate 551, upper traction roller 552, lower traction roller 553, motor 554, floating device 555, floating block 5 551, floating spring 5552, locking nut 5553, locking screw 5554, locking support block 5555, cam interference plate 5556, cam shaft 5557, anti-interference avoidance groove 55571, rotating shaft 5558, arc-shaped guide support curved panel 5559, photoelectric sensor assembly 6, photoelectric sensor 61, transverse support rod 62, vertical support rod 63, support rod mounting seat 64, first mounting plate 641, second mounting plate 642, middle support plate 643.

[0023] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0024] Specific implementation case 1:

[0025] A sheet material automatic welding device comprises a frame 1, an ultrasonic welder 2, a welding head 3, a welding cylinder 4, and a splicing and conveying assembly 5. The piston shaft end of the welding cylinder 4 is fixedly connected to the welding head 3. The ultrasonic welder 2 and the welding head 3 are respectively located on the upper and lower sides of the product. The splicing and conveying assembly 5 is used for the automatic conveyance of sheet products before and after splicing.

[0026] Specifically, Figure 2 As shown, the splicing transmission assembly 5 includes a feed plate 51, a discharge plate 52, a feed baffle 53, a discharge baffle 54, and a traction device 55. The feed plate 51 and the discharge plate 52 are respectively fixedly connected to the frame 1, and the feed baffle 53 and the discharge baffle 54 are respectively installed on the plate surfaces of the feed plate 51 and the discharge plate 52. The adjacent side surfaces of the feed plate 51 and the discharge plate 52 are processed with splicing avoidance notches, the welding head 3 and the ultrasonic welder 2 are respectively located on the upper and lower sides of the splicing avoidance notch, and the welding cylinder 4 is installed above the splicing avoidance hole through a support frame.

[0027] like Figure 2 As shown, the feed end and the discharge end of the feed stop bar 53 are provided with a first inclined edge 531, the first inclined edge 531 of the feed end is used to guide the feed, and the first inclined edge 531 of the discharge end is used to discharge the material to avoid edge interference.

[0028] like Figure 3 As shown, the front end of the discharging retaining bar 54 is provided with a second inclined edge 541, and the discharging retaining bar 54 is provided with a height limiting plate 542, and the height limiting plate 542 and the discharging retaining bar 54 are an integral structure or a spliced ​​fixed structure.

[0029] like Figure 1-2 As shown, the traction device 55 includes a traction device mounting plate 551, an upper traction roller 552, a lower traction roller 553, a motor 554, and a floating device 555. The traction device mounting plate 551 is fixedly connected to the frame 1, and both ends of the lower traction roller 553 are rotatably connected to the traction device mounting plate 551. The housing of the motor 554 is fixed to the surface of the traction device mounting plate 551 and the output end is connected to the lower traction roller 553. The two ends of the upper traction roller 552 are floatingly installed with the traction device mounting plates 551 on both sides through the floating device 555. The gap between the upper traction roller 552 and the lower traction roller 553 is changed by adjusting the floating device 555 to facilitate threading or / and the traction pressure is changed by adjusting the floating device 555.

[0030] like Figure 3 As shown, the floating device 555 includes a floating block 5551, a floating spring 5552, a locking nut 5553, a locking screw 5554, and a locking support block 5555. The surface of the traction device mounting plate 551 is processed with a floating groove, and the floating block 5551 rises and falls along the floating groove. The locking support block 5555 is fixedly connected to the traction device mounting plate 551. The locking nut 5553 is located on the upper surface of the locking support block 5555. The locking screw 5554 is matched with the internal thread of the locking nut 5553 and the floating spring 5552 is arranged in the center blind hole of the locking screw 5554. The upper end of the floating spring 5552 is fixedly connected to the top end surface of the center blind hole, and the lower end abuts against the upper surface of the floating block 5551. Both ends of the upper traction roller 552 are directly or indirectly rotatably mounted on the floating block 5551. The traction pressure of the upper traction roller 552 is changed by rotating the locking screw 5554 .

[0031] Optionally, a photoelectric sensor assembly 6 is also included, and the photoelectric sensor assembly 6 is used to sense the height of the product pulled down in the traction device 55 (to facilitate quantitative caching) and to control the adjustment of the operating speed of the front and rear equipment.

[0032] Specifically, such as Figure 1 , 3As shown, the photoelectric sensor assembly 6 includes a photoelectric sensor 61, a transverse support rod 62, a vertical support rod 63, and a support rod mounting seat 64. The transverse support rod 62 is fixed to the frame 1, and the transverse support rod 62 and the vertical support rod 63 are fixed by the support rod mounting seat 64. The photoelectric sensor 61 is fixed by the vertical support rod 63. By adjusting the positions of the transverse support rod 62 and the vertical support rod 63 relative to the support rod mounting seat 64, the detection requirements of different cache amounts can be met. Specific implementation case 2:

[0033] Based on the specific implementation case 1, the sheet material automatic welding equipment may also select one or more of the following preferred technical solutions:

[0034] Optionally, the frame of the rack 1 is assembled from hollow aluminum extrusions, replacing the welded frame of heavy iron plates in the prior art.

[0035] Optionally, the welding cylinder 4 is a three-axis cylinder with guide rods.

[0036] Optionally, the plate surfaces on both sides of the frame 1 are processed with exhaust holes 11, the ultrasonic welder 2 is fixedly connected to the support frame inside the frame 1 through the mounting plate, and an exhaust fan 21 is provided on the same side of the ultrasonic welder 2. The exhaust fan 21 allows the air in the frame 1 to circulate quickly, and the temperature generated by the ultrasonic welder 2 is discharged, so as to avoid damage to the ultrasonic welder 2 due to overheating during operation.

[0037] Optionally, the support frame includes a hollow aluminum extrusion 41, the welding cylinder 4 is installed through the hollow aluminum extrusion 41, the cylinder body of the welding cylinder 4 is fixed by a cylinder mounting plate, and the screws used to install the cylinder mounting plate rest in the concave sliding groove of the hollow aluminum extrusion 41. The position of the welding cylinder 4 can be adjusted by loosening the screws, and the concave sliding groove has a guiding function.

[0038] Optionally, the lower plate surface of the lower pressure plate 31 in the welding head 3 is a spaced notch-shaped structure, and the welding head 3 moves downward and presses on the upper surface of the product, so that two adjacent sheet products are pressed and adhered and spliced ​​at intervals. This splicing method can realize product splicing while maintaining the working voltage of the ultrasonic welder 2 at a lower level, with low operating costs and high safety.

[0039] Specific implementation case 3:

[0040] Based on the specific implementation case 1 or the specific implementation case 2, the sheet material automatic welding equipment may also select one or more of the following preferred technical solutions:

[0041] like Figure 1-3As shown, the plate surfaces of the feed plate 51 and the discharge plate 52 are processed with spacing grooves, and the feed baffle 53 and the discharge baffle 54 are respectively fixed in the spacing grooves of the feed plate 51 and the discharge plate 52 by screws. By adjusting the positions of the feed baffle 53 and the discharge baffle 54 in the spacing grooves, they can adapt to the use of sheet products of different widths.

[0042] like Figure 3 As shown, the floating device 555 also includes a cam interference plate 5556, a cam shaft 5557, and a rotating shaft 5558. The cam shaft 5557 is provided at both ends of the upper traction roller 552, and the end of the cam shaft 5557 is processed with an anti-interference avoidance groove 55571. The cam shaft 5557 is rotatably mounted on the surface of the floating block 5551, and the end of the cam shaft 5557 is fixed with the rotating shaft 5558. The cam interference plate 5556 is fixed to the surface of the traction device mounting plate 551. In the normal traction state, the anti-interference avoidance groove 55571 is located directly above the cam interference plate 5556, and the rotating shaft 5558 can be directly rotated, or a hole can be processed on the surface of the rotating shaft 5558, and the tool can be inserted into the hole for rotation, which is more labor-saving.

[0043] Rotate the rotating shaft 5558 to rotate the cam shaft 5557. During the rotation, after the anti-interference avoidance groove 55571 rotates to the side away from the cam interference plate 5556, the circular edge of the cam shaft 5557 interferes with the cam interference plate 5556 to lift the floating plate 5551 upward, thereby increasing the gap between the upper traction roller 552 and the lower traction roller 553, and facilitating the threading operation of the sheet material.

[0044] Optionally, the floating device 555 further includes an arc-shaped guide support curved plate 5559, and the arc-shaped guide support curved plate 5559 is mounted on the surface of the traction device mounting plate 551 and is not higher than the traction height. Specific implementation example 4:

[0045] Based on the specific implementation cases 1-3, the sheet material automatic welding equipment may also select one or more of the following preferred technical solutions:

[0046] Optional, such as Figure 4As shown, the support rod mounting seat 64 includes a first mounting plate 641, a second mounting plate 642, and an intermediate support plate 643. The plate surfaces of the first mounting plate 641 and the second mounting plate 642 close to the intermediate support plate 643 are processed with support rod accommodating grooves. The intermediate support plate 643 is located between the first mounting plate 641 and the second mounting plate 642. The plate surfaces of the first mounting plate 641, the second mounting plate 642, and the intermediate support plate 643 are processed with fastening threaded holes. The first mounting plate 641, the second mounting plate 642, and the intermediate support plate 643 are locked by fastening screw assemblies to complete the installation of the horizontal support rod 62 and the vertical support rod 63.

[0047] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An automatic sheet welding device, comprising a frame, an ultrasonic welder, a welding head, and a welding cylinder, wherein the ultrasonic welder, the welding head, and the welding cylinder are directly or indirectly fixedly connected to the frame, the piston shaft end of the welding cylinder is fixedly connected to the welding head, and the ultrasonic welder and the welding head are respectively located on the upper and lower sides of the product, characterized in that: It also includes a splicing and conveying assembly, which is directly or indirectly fixedly connected to the frame and is used for automatically conveying the sheet products before and after splicing.

2. The automatic sheet welding equipment as claimed in claim 1, characterized in that: The splicing transmission assembly includes a feed plate, a discharge plate, a feed baffle, a discharge baffle, and a traction device. The feed plate and the discharge plate are fixedly connected to the frame respectively. The feed baffle and the discharge baffle are respectively installed on the plate surfaces of the feed plate and the discharge plate. The adjacent side surfaces of the feed plate and the discharge plate are processed with splicing avoidance gaps. The welding head and the ultrasonic welder are respectively located on the upper and lower sides of the splicing avoidance gap. The welding cylinder is installed above the splicing avoidance gap through a support frame.

3. The automatic sheet welding equipment according to claim 1, characterized in that: The lower plate surface of the lower pressing plate in the welding head is a spaced notch-shaped structure.

4. The automatic sheet welding equipment as claimed in claim 2, characterized in that: The feed end and the discharge end of the feed baffle are provided with a first inclined edge; the front end of the discharge baffle is provided with a second inclined edge, and the discharge baffle is provided with a height limiting plate, and the height limiting plate and the discharge baffle are an integral structure or a spliced ​​fixed structure.

5. The automatic sheet welding equipment as claimed in claim 2, characterized in that: The feed plate and the discharge plate are processed with spacing grooves on their surfaces, and the feed baffle and the discharge baffle are respectively fixed in the spacing grooves of the feed plate and the discharge plate by screws. By adjusting the positions of the feed baffle and the discharge baffle in the spacing grooves, the use of sheet products of different widths can be adapted.

6. The automatic sheet welding equipment as claimed in claim 2, characterized in that: The traction device includes a traction device mounting plate, an upper traction roller, a lower traction roller, a motor, and a floating device. The traction device mounting plate is fixedly connected to the frame, and both ends of the lower traction roller are rotatably connected to the traction device mounting plate. The housing of the motor is fixed to the surface of the traction device mounting plate and the output end is connected to the lower traction roller. Both ends of the upper traction roller are floatingly mounted on the traction device mounting plates on both sides through the floating device. The gap between the upper traction roller and the lower traction roller is changed by adjusting the floating device to facilitate material threading or / and the traction pressure is changed by adjusting the floating device.

7. The automatic sheet welding equipment as claimed in claim 6, characterized in that: The floating device includes a floating block, a floating spring, a locking nut, a locking screw, and a locking support block. The surface of the traction device mounting plate is processed with a floating groove, the floating block rises and falls along the floating groove, the locking support block is fixedly connected to the traction device mounting plate, the locking nut is located above the locking support block, the locking screw is matched with the internal thread of the locking nut and the floating spring is arranged in the center blind hole of the locking screw, the upper end of the floating spring is fixedly connected to the top end surface of the center blind hole, and the lower end abuts against the upper surface of the floating block, and both ends of the upper traction roller are directly or indirectly rotatably mounted on the floating block.

8. The automatic sheet welding equipment as claimed in claim 7, characterized in that: The floating device also includes a cam interference plate, a camshaft, and a rotating shaft. The camshaft is provided at both ends of the upper traction roller and the end of the camshaft is processed with an anti-interference avoidance groove. The camshaft is rotatably mounted on the floating block surface, and the rotating shaft is fixed to the end of the camshaft. The cam interference plate is fixed to the surface of the traction device mounting plate. In a normal traction state, the anti-interference avoidance groove is located directly above the cam interference plate; or, the floating device also includes an arc-shaped guide support curved plate, and the arc-shaped guide support curved plate is mounted on the surface of the traction device mounting plate.

9. The automatic sheet welding equipment as claimed in claim 1, characterized in that: It also includes a photoelectric sensor assembly, which includes a photoelectric sensor, a transverse support rod, a vertical support rod, and a support rod mounting seat. The transverse support rod is fixed to the frame, the transverse support rod and the vertical support rod are both fixed by the support rod mounting seat, and the photoelectric sensor is fixed by the vertical support rod.

10. The automatic sheet welding equipment according to claim 9, characterized in that: The support rod mounting seat includes a first mounting plate, a second mounting plate, and an intermediate support plate. The first mounting plate and the second mounting plate are both processed with support rod accommodating grooves on their surfaces close to the intermediate support plate. The intermediate support plate is located between the first mounting plate and the second mounting plate. The first mounting plate, the second mounting plate, and the intermediate support plate are processed with fastening threaded holes on their surfaces. The first mounting plate, the second mounting plate, and the intermediate support plate are locked by fastening screw assemblies.

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