A multi-station bottom welding machine for vacuum flasks

Abstract

The utility model relates to the technical field of vacuum cup production, especially a multi-station bottom welding machine for vacuum cups, comprising: a rack, the top of which is fixedly connected with a positioning frame and a support frame; a fixed part, provided at the front end of the rack, comprising at least four groups of positioning tools arranged in a line along the X-axis direction and corresponding pressing mechanisms, for fixing the cup body and exposing its bottom; at least two groups of feeding guide parts, provided on the positioning frame, for guiding the workpiece to fall into the positioning mechanism; a welding part, provided at the rear end of the rack, comprising at least four groups of welding units corresponding one-to-one to the positioning tools, each welding unit independently configured with a laser welding head, a Y-axis translation module and a Z-axis lifting module. The utility model has the advantage that the cooperation of the guide plate and the guide plate allows the cup bottom and the cup body to continuously slide in, and further guides the workpiece through the discharge hopper, ensuring that the cup bottom is accurately centered on the loading platform. Workers only need to put the material on the guide plate, without grabbing or aligning.

Description

Technical Field

[0001] This utility model relates to the field of thermos cup production technology, and in particular to a multi-station welding machine for thermos cups. Background Technology

[0002] With social progress and technological development, people's living standards and quality of life have improved significantly. Thermos cups are loved by consumers for their hygiene, good heat preservation effect and long service life. In traditional thermos cup welding equipment, manual alignment of the workpiece is required when loading the workpiece, which is inefficient. Secondly, manual positioning is prone to deviation in the concentricity of the cup body and the bottom of the cup, which can easily lead to missed welds or uneven welds after welding.

[0003] To address this issue, this utility model proposes a multi-station welding machine for thermos cups. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0005] Therefore, one objective of this utility model is to propose a multi-station welding machine for thermos cups, so as to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, one embodiment of this utility model provides a multi-station bottom welding machine for thermos cups, comprising: a frame with a positioning frame and a support frame fixedly connected to its top; a fixing part located at the front end of the frame, including at least four sets of positioning fixtures arranged in a line along the X-axis and corresponding clamping mechanisms, for fixing the cup body and exposing its bottom; at least two sets of feeding guide parts located on the positioning frame, for guiding the workpiece to fall into the positioning mechanism; and a welding part located at the rear end of the frame, including at least four welding units corresponding one-to-one with the positioning fixtures, each welding unit being independently equipped with a laser welding head, a Y-axis translation module, and a Z-axis lifting module.

[0007] Preferably, the positioning fixture comprises: a support column, rotatably mounted on the positioning frame, with a material platform fixedly mounted on its top and a first pulley fixedly mounted on its bottom; a secondary bracket, mounted on the frame; and a first motor, fixedly mounted on the secondary bracket, with a second pulley mounted on its output end, the second pulley being connected to the first pulley via a first synchronous belt.

[0008] Preferably, according to any of the above embodiments, the pressing mechanism includes: an upper bracket, fixedly mounted on a positioning frame, on which a sliding platform is slidably mounted; a pressure block, rotatably mounted on the sliding platform, the bottom of the pressure block being conical; a second motor, mounted on the top of the upper bracket, the output shaft of which passes through the upper bracket; and a first lead screw, fixedly connected to the output shaft of the second motor, the first lead screw having a first slider threaded onto it, the first slider being fixedly connected to the sliding platform via a positioning block.

[0009] Preferably, in any of the above embodiments, the single set of the feeding guide includes: a side bracket, which is detachably mounted on the side end of the positioning frame by a first bolt; a guide plate, which is rotatably connected to the side bracket by a positioning nut, and a guide plate is detachably mounted on the guide plate by a second bolt; a limiting plate, which is rotatably mounted on the guide plate, and a straight groove is formed on the limiting plate; and a locking bolt, which is fastened to the guide plate and located in the straight groove.

[0010] Preferably, in any of the above schemes, the single set of feeding guides further includes a feeding funnel, which is fixedly installed on the positioning frame and located directly above the loading platform.

[0011] Preferably, according to any of the above solutions, the Y-axis translation module includes: a first fixed frame, fixedly mounted on the frame, on which a first slide rail is fixedly installed; a second lead screw, rotatably mounted on the first fixed frame, on which a second slider is threaded, the second slider being slidably connected to the first slide rail, and a first handwheel being fixedly mounted at the end of the second lead screw; and a first fixed plate, fixedly mounted on the second slider.

[0012] Preferably, according to any of the above solutions, the Z-axis lifting module includes: a second fixed frame, fixedly connected to a first fixed plate, on which a second slide rail is fixedly installed; a third lead screw, rotatably mounted on the second fixed frame, on which a third slider is threaded, the third slider being slidably connected to the second slide rail, and a second handwheel fixedly mounted at the end of the third lead screw; a second fixed plate, fixedly mounted on the third slider; and the laser welding head fixedly mounted on the second fixed plate.

[0013] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows: The combined use of the guide plate and the guide plate allows the cup bottom and cup body to slide in continuously, and further guides the workpiece through the feeding funnel, ensuring that the cup bottom is accurately centered on the loading platform. Workers only need to put the material onto the guide plate, eliminating the need for grabbing or alignment.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a first-view schematic diagram according to an embodiment of the present utility model; Figure 2 This is a second-view schematic diagram according to an embodiment of the present utility model; Figure 3 This is a partial schematic diagram according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the guide plate connection according to an embodiment of the present utility model; Figure 5 This is a schematic diagram of the laser welding head connection according to an embodiment of the present invention.

[0016] In the diagram: 1. Frame, 11. Positioning frame, 12. Support frame, 2. Fixing part, 21. Positioning fixture, 2101. Support column, 2102. Carrying platform, 2103. First pulley, 2104. Secondary support, 2105. Second pulley, 22. Clamping mechanism, 2201. Upper support, 2202. Sliding table, 2203. Pressure block, 2204. Second motor, 2205. First lead screw, 2206. First slider, 3. Loading guide part, 31. Side support, 32. Guide plate 33. Guide plate, 34. Limiting plate, 35. Locking bolt, 36. Feeding funnel, 4. Welding unit, 41. Laser welding head, 42. Y-axis translation module, 4201. First fixed frame, 4202. First slide rail, 4203. Second lead screw, 4204. Second slider, 4205. First handwheel, 43. Z-axis lifting module, 4301. Second fixed frame, 4302. Second slide rail, 4303. Third lead screw, 4304. Third slider, 4305. Second handwheel. Detailed Implementation

[0017] like Figures 1 to 5 As shown, a multi-station welding machine for thermos cups includes a frame 1, a fixing part 2, a feeding guide mechanism, and a welding part.

[0018] Furthermore, a positioning frame 11 and a support frame 12 are fixedly connected to the top of the frame 1.

[0019] Furthermore, the fixing part 2 is located at the front end of the frame 1, and includes at least four sets of positioning fixtures 21 arranged in a line along the X-axis and corresponding clamping mechanisms 22, for fixing the cup body and exposing its bottom. The positioning fixture 21 is used to initially position the body of the thermos cup and the bottom of the cup, and the pressing mechanism 22 is used to press the body of the thermos cup onto the bottom of the cup.

[0020] Specifically, the positioning fixture 21 includes: The support column 2101 is rotatably mounted on the positioning frame 11, with a material platform 2102 fixedly mounted on its top and a first pulley 2103 fixedly mounted on its bottom. Sub-support 2104 is mounted on frame 1; The first motor is fixedly mounted on the auxiliary bracket 2104, and a second pulley 2105 is mounted on its output end. The second pulley 2105 is connected to the first pulley 2103 through a first synchronous belt. The clamping mechanism 22 includes: The upper bracket 2201 is fixedly installed on the positioning frame 11, and a sliding table 2202 is slidably arranged on it; The pressure block 2203 is rotatably mounted on the sliding table 2202. The bottom of the pressure block 2203 is conical. The pressure block 2203 is located directly above the material carrier 2102. The pressure block 2203 is used to cooperate with the mouth of the thermos cup workpiece. The conical shape is used to press workpieces of different specifications. The second motor 2204 is installed on the top of the upper bracket 2201, and its output shaft passes through the upper bracket 2201. The first lead screw 2205 is fixedly connected to the output shaft of the second motor 2204. The first lead screw 2205 is threaded with a first slider 2206, which is fixedly connected to the slide table 2202 through a positioning block.

[0021] Furthermore, the feeding guide 3 is provided in at least two sets, which are provided on the positioning frame 11, for guiding the workpiece so that it falls into the positioning mechanism; The single-unit feeding guide 3 includes: The side bracket 31 is detachably mounted on the side end of the positioning frame 11 by means of the first bolt; The guide plate 32 is rotatably connected to the side bracket 31 via a positioning nut. A guide plate 33 is detachably installed on the guide plate 32 via a second bolt. The guide plates 33 are arranged in pairs and are installed in an inclined manner. The two guide plates 33 are symmetrically distributed, and a guide groove is formed between the two guide plates and the guide plate 32. The guide groove is in the shape of an isosceles trapezoid. A limiting plate 34 is rotatably mounted on a guide plate 32, and a straight groove is provided on the limiting plate 34; The locking bolt 35 is fastened to the guide plate 32 and is located in the straight groove. The locking bolt 35 is used to press the limiting plate 34 onto the guide plate 32 or to release the pressing between the limiting plate 34 and the guide plate 32. After releasing the pressing, the tilt angle of the guide plate 32 can be adjusted to accommodate workpieces of different specifications. It also includes a feeding funnel 36, which is fixedly installed on the positioning frame 11 and located directly above the loading platform 2102. The feeding funnel 36 is used to cooperate with the guide plate 32. The workpiece is conveyed from the guide plate 32 to the unloading funnel through the limiting plate 34 and falls onto the loading platform 2102. The workpiece feeding sequence is first the thermos cup bottom plate and then the thermos cup body.

[0022] Furthermore, the welding section is located at the rear end of the frame 1 and includes at least four welding units 4 corresponding one-to-one with the positioning fixture 21. Each welding unit 4 is independently equipped with a laser welding head 41, a Y-axis translation module 42 and a Z-axis horizontal lifting module 43.

[0023] Specifically, the Y-axis translation module 42 includes: The first fixed frame 4201 is fixedly mounted on the frame 1, and the first slide rail 4202 is fixedly installed on it. The second lead screw 4203 is rotatably mounted on the first fixed frame 4201, and a second slider 4204 is threaded on it. The second slider 4204 is slidably connected to the first slide rail 4202, and a first handwheel 4205 is fixedly mounted at the end of the second lead screw 4203. The first slide rail 4202 is used to define the movement trajectory of the second slider 4204; The first fixed plate 4206 is fixedly mounted on the second slider 4204; The Z-axis lifting module 43 includes: The second fixed bracket 4301 is fixedly connected to the first fixed plate 4206, and the second slide rail 4302 is fixedly installed on it. The third lead screw 4303 is rotatably mounted on the second fixed frame 4301, and a third slider 4304 is threaded on it. The third slider 4304 is slidably connected to the second slide rail 4302, and a second handwheel 4305 is fixedly mounted at the end of the third lead screw 4303. The second slide rail 4302 is used to define the movement trajectory of the third slider 4304; The second fixing plate 4306 is fixedly mounted on the third slider 4304; The laser welding head 41 is fixedly mounted on the second fixing plate 4306; The Y-axis translation module 42 and the Z-axis horizontal lifting module 43 are used to adjust the laser welding head 41. The first handwheel 4205 drives the second lead screw 4203 to rotate, the second lead screw 4203 drives the second slider 4204 to adjust its position, and the second slider 4204 drives the first fixed plate 4206 to move the Z-axis lifting module. After the Y-axis direction is adjusted, the second handwheel 4305 drives the third lead screw 4303 to rotate. The third lead screw 4303 drives the third slider 4304 to adjust its position. The third slider 4304 drives the second fixed plate 4306, which in turn drives the laser welding head 41 to adjust.

[0024] A multi-station bottom welding machine for thermos cups works on the following principle: The material is placed between the two guide plates 33 on the guide plate 32 by a robotic arm or manually. The inclined setting of the guide plate 32 causes the workpiece to slide down automatically and fall into the feeding hopper. The workpiece falls onto the loading platform 2102 through the hopper. Then, the second motor 2204 drives the first lead screw 2205 to rotate, which in turn drives the first slider 2206 to move. The first slider 2206 drives the sliding table 2202 to move, which in turn drives the pressure block 2203 to press the workpiece. Welding is then performed using the laser welding head 41. Simultaneously, the second pulley 2105 is driven to rotate by the first motor, which in turn drives the first pulley 2103 to rotate via the first synchronous belt. The first pulley 2103 then drives the support column 2101 to rotate, which in turn drives the loading platform 2102 to rotate, causing the workpiece on it to rotate. During the rotation process, the pressure block 2203 rotates synchronously on the sliding platform 2202.

Claims

1. A multi-station welding machine for thermos cups, characterized in that: include: The frame has a positioning frame and a support frame fixedly connected to its top; The fixing part, located at the front end of the frame, includes at least four sets of positioning fixtures and corresponding clamping mechanisms arranged in a line along the X-axis direction, used to fix the cup body and expose its bottom. At least two sets of feeding guides are provided on the positioning frame to guide the workpiece so that it falls into the positioning mechanism; The welding section, located at the rear end of the frame, includes at least four welding units that correspond one-to-one with the positioning fixtures. Each welding unit is independently equipped with a laser welding head, a Y-axis translation module, and a Z-axis lifting module.

2. The multi-station welding machine for thermos cups according to claim 1, characterized in that: The positioning fixture includes: The support column is rotatably mounted on the positioning frame, with a material platform fixed on its top and a first pulley fixedly mounted on its bottom; Sub-support, mounted on the frame; The first motor is fixedly mounted on the auxiliary bracket, and a second pulley is installed on its output end. The second pulley is connected to the first pulley by a first synchronous belt.

3. A multi-station welding machine for thermos cups according to claim 1, characterized in that: The clamping mechanism includes: The upper bracket is fixedly installed on the positioning frame, and a sliding platform is slidably mounted on it. A pressure block is rotatably mounted on a sliding platform, and the bottom of the pressure block is conical. The second motor is mounted on the top of the upper bracket, and its output shaft passes through the upper bracket. The first lead screw is fixedly connected to the output shaft of the second motor. The first lead screw is threaded with a first slider, which is fixedly connected to the slide table through a positioning block.

4. A multi-station welding machine for thermos cups according to claim 1, characterized in that: The single set of the feeding guide includes: A side bracket is detachably mounted on the side end of the positioning frame by means of a first bolt; The guide plate is rotatably connected to the side bracket via a positioning nut, and a guide plate is detachably mounted on the guide plate via a second bolt; A limiting plate is rotatably mounted on a guide plate, and the limiting plate has a straight groove. The locking bolts are fastened to the guide plate and placed inside the straight groove.

5. A multi-station welding machine for thermos cups according to claim 4, characterized in that: The single-unit feeding guide also includes a feeding funnel, which is fixedly installed on the positioning frame and located directly above the loading platform.

6. A multi-station welding machine for thermos cups according to claim 1, characterized in that: The Y-axis translation module includes: The first fixed frame is fixedly installed on the machine frame, and the first slide rail is fixedly installed on it; The second lead screw is rotatably mounted on the first fixed frame, and a second slider is threaded onto it. The second slider is slidably connected to the first slide rail, and a first handwheel is fixedly mounted at the end of the second lead screw. The first fixed plate is fixedly mounted on the second slider.

7. A multi-station welding machine for thermos cups according to claim 6, characterized in that: The Z-axis lifting module includes: The second fixed frame is fixedly connected to the first fixed plate, and a second slide rail is fixedly installed on it; The third lead screw is rotatably mounted on the second fixed frame, and a third slider is threaded onto it. The third slider is slidably connected to the second slide rail, and a second handwheel is fixedly mounted at the end of the third lead screw. The second fixing plate is fixedly mounted on the third slider; The laser welding head is fixedly mounted on the second fixing plate.

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