A kind of loading fixture for injection molding machine large steel sheet

Abstract

The utility model discloses a kind of for injection molding machine large steel sheet feeding fixture, it is related to feeding fixture technical field, including sliding table air cylinder, the output shaft of sliding table air cylinder is connected with fixed plate, the fixed plate is horizontally arranged, the both sides of fixed plate bottom outer wall are provided with rotary air cylinder, the number of rotary air cylinder is two, the bottom of rotary air cylinder is provided with rotating disc, the bottom of rotating disc is provided with four suction disc fittings, the bottom of suction disc fitting is provided with large steel sheet suction disc, the back of fixed plate is provided with optical fiber Z height adjusting plate, the outer wall of optical fiber Z height adjusting plate is provided with optical fiber sensor, and the optical fiber sensor is used to identify steel sheet machine flat posture.The utility model solves the problem that steel sheet is not accurate in inclined material taking.

Description

Technical Field

[0001] This utility model relates to the field of feeding fixture technology, and in particular to a feeding fixture for large steel sheets in injection molding machines. Background Technology

[0002] Large steel sheets are fed using a rotary table machine, and then vacuum-adsorbed using a feeding fixture.

[0003] In the existing technology, the material limiting of the large steel sheet turntable machine is based on the column. The column is adjustable. After long-term use, the column will develop a flared shape (small at the bottom and large at the top). When a stack of materials is placed on it, the bottom material is positioned correctly, but the gap between the upper material is large, and the material is tilted as a whole. The material positioning is not good, and the material picking is not good. Each time the feeding fixture picks up material from above, the inaccurate positioning of the material above causes the feeding fixture to pick up the material inaccurately, making it impossible to accurately pick up the steel sheet to the designated position in the next process. The aforementioned issues lead to inaccurate steel sheet placement and removal, causing machine alarms and impacting production capacity. The Z-axis uses a three-axis cylinder, which, due to its guide shaft orientation, is prone to jamming during prolonged use, thus requiring improvement. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a feeding fixture for large steel sheets in injection molding machines. Its advantage lies in solving the problem of inaccurate material handling when the steel sheet is tilted.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A fixture for feeding large steel sheets in an injection molding machine includes a slide cylinder. The output shaft of the slide cylinder is connected to a fixed plate, which is horizontally arranged. Two rotary cylinders are arranged on both sides of the bottom outer wall of the fixed plate. A rotating disk is arranged at the bottom of the rotary cylinder, and four suction cup fittings are arranged at the bottom of the rotating disk. Large steel sheet suction cups are arranged at the bottom of the suction cup fittings. The back of the fixed plate is provided with an optical fiber Z-axis height adjustment plate, and the outer wall of the optical fiber Z-axis height adjustment plate is provided with an optical fiber sensor, which is used to identify the flat position of the steel sheet machine.

[0006] The above technical solution works as follows: When in use, the worker loads the turntable with steel sheets. When loading the steel sheets, the worker can turn the turntable 180° to ensure that the steel sheets are flat during loading, so that the material can also be picked up flat. After the material picks up the material, it moves above the fiber optic sensor to identify the flat position of the steel sheet machine. If the position is not correct, the rotary cylinder rotates 180° to deliver the material to the unloading position. If the position is correct, the rotary cylinder does not need to rotate to unload the material, thus solving the problem of inaccurate material picking when the steel sheets are tilted.

[0007] The present invention is further configured such that the large steel sheet suction cup is a vacuum suction cup, and the large steel sheet suction cup adsorbs the large steel sheet by means of vacuum adsorption.

[0008] The above technical solution involves using a vacuum suction cup, which increases the suction force of the suction cup and prevents the large steel sheet from falling off.

[0009] The present invention is further configured such that vacuum pressure gauges are provided on both sides of the top of the fixing plate, and the vacuum pressure gauges are connected to the large steel plate suction cup.

[0010] The above technical solution involves setting a negative pressure gauge to identify the negative pressure during material extraction. When the pressure falls below the set value, feedback is provided and the machine alarms.

[0011] The present invention is further provided that the suction cup hardware is provided with a buffer spring inside.

[0012] Through the above technical solution, the setting of the buffer spring can play a good buffering role when the suction cup contacts the steel sheet, avoiding damage to the steel sheet.

[0013] The present invention is further configured such that the optical fiber Z-axis height adjustment plate has an L-shaped structure, and the optical fiber sensor is installed at the bottom of the short column of the optical fiber Z-axis height adjustment plate.

[0014] The above technical solution, with its L-shaped structure, facilitates the installation of fiber optic sensors and improves their detection sensitivity.

[0015] The present invention is further provided that a mounting plate is provided on the back of the slide cylinder, and a Z-axis adjustment groove is provided on the outer wall of the mounting plate.

[0016] The above technical solution allows for the adjustment of the Z-axis position of the entire mechanism to accommodate the material handling height.

[0017] The present invention is further configured such that the cross-section of the suction cup fitting is a regular hexagonal structure.

[0018] The above technical solution, with its hexagonal cross-section, can limit the movement of the precision rod inside the suction cup fitting, preventing it from rotating.

[0019] The beneficial effects of this utility model are as follows: This fixture is used for feeding large steel sheets into injection molding machines. The lifting mechanism has been changed from the original three-axis cylinder to a slide cylinder. The advantages of the slide cylinder are: better transmission rigidity and less wobbling.

[0020] This fixture is used for feeding large steel sheets into injection molding machines. The original round fitting rod has been replaced with a hexagonal fitting rod. The round fitting rod is easy to rotate, and even when several fittings are used together, it may wobble due to insufficient rigidity. The hexagonal fitting rod structure prevents it from rotating.

[0021] This fixture for feeding large steel sheets into injection molding machines has been modified by replacing one rotary cylinder with two. The original purpose was to make it universally compatible; if all feeding positions were either upright or reversed, the rotary cylinder wouldn't need to rotate, but if one feeding position was upright and the other reversed, the cylinder needed to rotate to adapt to these conditions. Now, by making both stations rotary, the steel sheets can be randomly placed on the turntable. Combined with two fiber optic sensors that identify the position of the characteristic holes on the steel sheets, the orientation of the flat steel sheet can be determined. This also solves the previous problem of inaccurate feeding when the steel sheets were tilted. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of a large steel sheet feeding fixture for an injection molding machine proposed in this utility model; Figure 2 This is a schematic diagram of the main structure of a large steel sheet feeding fixture for an injection molding machine proposed in this utility model; Figure 3 This utility model presents a schematic diagram of a fiber optic Z-axis height adjustment plate structure for a large steel sheet feeding fixture in an injection molding machine.

[0023] In the diagram: 1. Vacuum negative pressure gauge; 2. Z-axis adjustment groove; 3. Slide table cylinder; 4. Rotary cylinder; 5. Suction cup hardware; 6. Fiber optic sensor; 7. Fiber optic Z-axis height adjustment plate; 8. Fixing plate; 9. Large steel plate suction cup. Detailed Implementation

[0024] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0025] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0026] Reference Figure 1-3 A fixture for feeding large steel sheets in an injection molding machine includes a slide cylinder 3, the output shaft of which is connected to a fixed plate 8, the fixed plate 8 is horizontally arranged, and two rotary cylinders 4 are arranged on both sides of the bottom outer wall of the fixed plate 8. A rotating disk is arranged at the bottom of the rotary cylinder 4, and four suction cup fittings 5 ​​are arranged at the bottom of the rotating disk. Large steel sheet suction cups 9 are arranged at the bottom of the suction cup fittings 5. A fiber optic Z-axis height adjustment plate 7 is provided on the back of the fixed plate 8, and a fiber optic sensor 6 is provided on the outer wall of the fiber optic Z-axis height adjustment plate 7. The fiber optic sensor 6 is used to identify the flat position of the steel sheet machine.

[0027] In this embodiment, the large steel sheet suction cup 9 is a vacuum suction cup. The large steel sheet suction cup 9 adsorbs the large steel sheet by vacuum adsorption. The vacuum suction cup 9 can increase the adsorption force of the suction cup and prevent the large steel sheet from falling off. Vacuum negative pressure gauges 1 are provided on both sides of the top of the fixing plate 8. The vacuum negative pressure gauges 1 are connected to the large steel sheet suction cup 9. The vacuum negative pressure gauges 1 can be used to identify the negative pressure when the material is sucked up. When it is lower than the set value, feedback is given and the machine alarms.

[0028] The suction cup fitting 5 is equipped with a buffer spring inside. The buffer spring can provide a good cushioning effect when the suction cup contacts the steel sheet, so as to avoid damage to the steel sheet.

[0029] Furthermore, the fiber optic Z-axis height adjustment plate 7 has an L-shaped structure, and the fiber optic sensor 6 is installed at the bottom of the short column of the fiber optic Z-axis height adjustment plate 7. The L-shaped fiber optic Z-axis height adjustment plate 7 facilitates the installation of the fiber optic sensor 6 and improves the detection sensitivity of the fiber optic sensor 6.

[0030] The back of the slide cylinder 3 is provided with a mounting plate, and the outer wall of the mounting plate is provided with a Z-direction adjustment groove 2. The Z-direction adjustment groove 2 can be used to adjust the position of the entire mechanism in the Z direction to adapt to the material picking position height.

[0031] It is worth mentioning that the suction cup fitting 5 has a regular hexagonal cross-section. The suction cup fitting 5 with a regular hexagonal cross-section can limit the precision rod inside the suction cup fitting 5, preventing the precision rod from rotating on its own.

[0032] Working principle: During use, the worker loads the turntable with steel sheets. When loading the steel sheets, the worker can turn the turntable 180° to ensure that the steel sheets are flat during loading, so that the material can also be picked up flat. After the material picks up the material, it moves above the fiber optic sensor 6 to identify the flat position of the steel sheet machine. If the position is not correct, the rotary cylinder rotates 180° to deliver the material to the unloading position. If the position is correct, the rotary cylinder does not need to rotate to unload the material, thus solving the problem of inaccurate material picking when the steel sheets are tilted.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A jig for feeding large steel sheets into an injection molding machine, characterized in that, Includes a slide cylinder (3), the output shaft of which is connected to a fixed plate (8), the fixed plate (8) is horizontally arranged, and two rotary cylinders (4) are arranged on both sides of the bottom outer wall of the fixed plate (8). The rotary cylinders (4) are arranged in two, and a rotating disk is arranged at the bottom of the rotary cylinders (4). Four suction cup fittings (5) are arranged at the bottom of the rotating disk, and a large steel plate suction cup (9) is arranged at the bottom of the suction cup fittings (5). The back of the fixed plate (8) is provided with an optical fiber Z-axis height adjustment plate (7), and the outer wall of the optical fiber Z-axis height adjustment plate (7) is provided with an optical fiber sensor (6). The optical fiber sensor (6) is used to identify the flat position of the steel sheet machine.

2. The feeding fixture for large steel sheets in an injection molding machine according to claim 1, characterized in that, The large steel sheet suction cup (9) is a vacuum suction cup, which adsorbs the large steel sheet by means of vacuum adsorption.

3. A feeding fixture for large steel sheets in an injection molding machine according to claim 2, characterized in that, Vacuum pressure gauges (1) are provided on both sides of the top of the fixed plate (8), and the vacuum pressure gauges (1) are connected to the large steel plate suction cup (9).

4. A jig for feeding large steel sheets into an injection molding machine according to claim 3, characterized in that, The suction cup fitting (5) is equipped with a buffer spring inside.

5. A jig for feeding large steel sheets into an injection molding machine according to claim 1, characterized in that, The fiber optic Z-axis height adjustment plate (7) has an L-shaped structure, and the fiber optic sensor (6) is installed at the bottom of the short column of the fiber optic Z-axis height adjustment plate (7).

6. A jig for feeding large steel sheets into an injection molding machine according to claim 1, characterized in that, The slide cylinder (3) has a mounting plate on its back, and the outer wall of the mounting plate has a Z-axis adjustment groove (2).

7. A feeding fixture for large steel sheets in an injection molding machine according to any one of claims 1-6, characterized in that, The suction cup fitting (5) has a cross-section with a regular hexagonal structure.

Images