Extraction column feeding mechanism for extraction column assembly machine

Abstract

The utility model relates to an extraction column feeding mechanism for an extraction column assembly machine. The extraction column feeding mechanism comprises a fixed seat, a straight vibrator and a material channel fixedly arranged above the straight vibrator, the material channel comprises a bottom plate, two side plates, a double-thread screw and a polished shaft guide rod, the two ends of the bottom plate are sunken downwards and are provided with sliding grooves formed in the moving directions of the two side plates respectively, the two ends of the two side plates extend downwards and are provided with sliding blocks, the sliding blocks slide in the sliding grooves, the sliding blocks at the same ends of the two side plates are provided with threaded holes with opposite thread directions, and the threaded holes are communicated with the threaded holes. The double-thread screw is in threaded connection with the two threaded holes, one end of the double-thread screw is rotationally connected with the side wall of the sliding groove, and the other end of the double-thread screw extends out of the sliding groove and is connected with the adjusting knob. The adjusting knob is rotated to drive the double-thread screw to rotate, so that the two side plates are close to or far away from each other, the distance between the two side plates can be adjusted, extraction columns with different diameters can be adapted, the whole material channel does not need to be replaced, the adjusting mode is more convenient and faster, and the adjusting difficulty is low.

Description

Technical Field

[0001] This utility model relates to the field of extraction column assembly technology, and specifically to an extraction column feeding mechanism for an extraction column assembly machine. Background Technology

[0002] In the fields of chemical engineering, pharmaceuticals, and biotechnology, extraction columns are used for sample pretreatment. As a core component for separation and purification, their assembly efficiency and accuracy directly affect the stability of the production process and cost control. Extraction column assembly machines are key equipment for achieving automated assembly of extraction columns. Their core functions include column positioning, packing material filling, and seal pressing. Among these, the feed channel, as a guiding structure used to transport and position the extraction columns, directly impacts the equipment's compatibility with different product specifications.

[0003] Currently, traditional extraction column assembly machines generally employ a fixed channel width design, meaning the channel opening size perfectly matches the extraction column's specific diameter. However, this design cannot be dynamically adjusted based on product specifications. While this design ensures assembly accuracy in single-product, high-volume production scenarios, the limitations of existing technology are becoming increasingly apparent as market demand for multi-specification, small-batch extraction columns grows.

[0004] Poor adaptability: When it is necessary to switch to extraction columns of different diameters, the original material channel must be completely disassembled and replaced with material channel components of the corresponding size. The operation is cumbersome and time-consuming, resulting in a significant increase in equipment downtime.

[0005] High maintenance costs: Different sizes of material channels need to be spared for replacement, which increases the pressure on spare parts inventory and maintenance costs;

[0006] Low production efficiency: The process of manually disassembling and assembling the material channel depends on the skill level of the operator and requires repeated adjustments to ensure positioning accuracy, which makes it difficult to meet the needs of flexible and standardized production. Utility Model Content

[0007] The technical problem to be solved by this utility model is to provide an extraction column feeding mechanism for an extraction column assembly machine, so as to overcome the shortcomings of the prior art.

[0008] The technical solution of this utility model to solve the above technical problems is as follows: An extraction column feeding mechanism for an extraction column assembly machine includes a fixed base, a vertical vibrator and a material channel fixedly arranged above the vertical vibrator. The vertical vibrator is fixedly arranged on the fixed base. The inlet of the material channel is connected to the outlet of the vibrating feeder. The outlet of the material channel is connected to the feeding mechanism of the extraction column assembly machine.

[0009] The feed channel includes a base plate, two side plates, a double-ended screw, and a guide rod. The center of the base plate is fixedly mounted on the vibrator. Both ends of the base plate are recessed and have grooves arranged along the movement direction of the two side plates. Both ends of the two side plates have sliders extending downwards. The sliders slide within the grooves. One end of the slider on one side plate has threaded holes with opposite thread directions. The double-ended screw is threaded to the two threaded holes respectively. One end of the double-ended screw is rotatably connected to the side wall of the groove, and the other end extends out of the groove and is connected to an adjustment knob. The other end of the slider on the other side plate has round holes that match the guide rod. Both ends of the guide rod are fixedly connected to the side wall of the groove.

[0010] The beneficial effects of this utility model are as follows: Since the double-ended screw is connected to two threaded holes with opposite thread directions, rotating the adjustment knob drives the double-ended screw to rotate, so that the two side plates move closer or further apart, thereby realizing the adjustment of the distance between the two side plates, thus adapting to extraction columns of different diameters. This device does not require replacing the entire material channel, the adjustment method is more convenient and faster, the adjustment difficulty is low, and there is no need to equip material channels of different sizes, thus reducing costs.

[0011] Based on the above technical solution, the present invention can be further improved as follows.

[0012] Furthermore, pressure plates are provided on the top of the two side plates, and the pressure plates are fixedly connected to one of the side plates by locking plates and bolts on their side walls.

[0013] Furthermore, an observation window is provided on the pressure plate, and scale lines are provided on the edge of the observation window. The scale lines correspond to the spacing between the two side plates.

[0014] Furthermore, it also includes a material distribution mechanism, which includes a mounting plate, a horizontal motion cylinder, a stop block, and a material distribution block;

[0015] The mounting plate is fixedly mounted on the mounting base, the horizontal motion cylinder is fixedly mounted on the upper part of the mounting plate, the material distribution block is fixedly mounted on the moving end of the horizontal motion cylinder, the material distribution block is provided with a U-shaped groove that matches the diameter of the extraction column, the end of the material distribution block away from the horizontal motion cylinder is provided with a stop block, and the material outlet of the material channel is connected to the U-shaped groove or the stop block.

[0016] Furthermore, the material distribution block includes a fixed part and several U-shaped replacement parts. The fixed part has a vertically opened U-shaped mounting groove, and the replacement parts are detachably connected to the mounting groove. The U-shaped groove is set on the replacement parts. The fixed part is fixedly connected to the movable end of the horizontal motion cylinder. Sensor holes are correspondingly provided on both the fixed part and the replacement parts.

[0017] Furthermore, a limiting boss is provided at the bottom of the mounting groove, and the lower end face of the replacement part is located on the limiting boss.

[0018] Furthermore, a locking bolt is provided on the side wall of the stop block. One end of the locking bolt passes through the stop block and extends into the mounting groove to abut against the replacement part. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the material distribution mechanism of this utility model;

[0021] Figure 3 This is a schematic diagram of the material channel structure of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1. Fixed base; 2. Straight vibrator; 3. Material channel; 31. Base plate; 311. Slide groove; 32. Side plate; 321. Slider; 322. Threaded hole; 323. Round hole; 33. Double-ended screw; 34. Adjustment knob; 35. Pressure plate; 351. Locking plate; 352. Observation window; 353. Scale line; 36. Optical axis guide rod; 4. Material distribution mechanism; 41. Mounting plate; 42. Horizontal motion cylinder; 43. Stop block; 44. Material distribution block; 441. Fixed part; 4411. Mounting groove; 4412. Limiting boss; 442. Replacement part; 4421. U-shaped groove; 443. Sensor hole; 45. Locking bolt. Detailed Implementation

[0024] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0025] like Figures 1-3 As shown in Embodiment 1, an extraction column feeding mechanism for an extraction column assembly machine includes a fixed base 1, a vertical vibrator 2, and a material channel 3 fixedly disposed above the vertical vibrator 2. The vertical vibrator 2 is fixedly disposed on the fixed base 1. The inlet of the material channel 3 is connected to the outlet of the vibrating feeder, and the outlet of the material channel 3 is connected to the feeding mechanism of the extraction column assembly machine.

[0026] The feed channel 3 includes a base plate 31, two side plates 32, a double-ended screw 33, and an optical axis guide rod 36. The center of the base plate 31 is fixedly mounted on the vibrator 2. Both ends of the base plate 31 are recessed downwards and respectively provided with grooves 311 arranged along the movement direction of the two side plates 32. Both ends of the two side plates 32 are provided with sliders 321 extending downwards. The sliders 321 slide in the grooves 311. One end of the slider 321 on one of the two side plates 32 is provided with threaded holes 322 with opposite thread directions. The double-ended screw 33 is threadedly connected to the two threaded holes 322 respectively. One end of the double-ended screw 33 is rotatably connected to the side wall of the groove 311, and the other end extends out of the groove 311 and is connected to the adjustment knob 34. The other end of the slider 321 on the other side plate 32 is provided with round holes 323 that match the optical axis guide rod 36. Both ends of the optical axis guide rod 36 are fixedly connected to the side wall of the groove 311 respectively.

[0027] Since the double-headed screw 33 is connected to two threaded holes 322 with opposite thread directions, rotating the adjustment knob 34 drives the double-headed screw 33 to rotate, causing the two side plates 32 to move closer or further apart, thereby adjusting the distance between the two side plates 32 to accommodate extraction columns 5 of different diameters. This device does not require replacing the entire material channel 3, making the adjustment method more convenient and faster, with low adjustment difficulty. It also eliminates the need for material channels of different sizes, reducing costs.

[0028] In specific implementation, the two ends of the double-ended screw 33 are unthreaded smooth rods. One end of the smooth rod has a T-shaped structure, and a matching T-shaped groove is provided on one side of the slide groove 311 to limit the movement of the double-ended screw 33. Alternatively, one end of the smooth rod is fixedly connected to the inner ring of the bearing, and the outer ring of the bearing is embedded in the side wall of the slide groove 311. In addition, a threaded hole is provided through the bottom of the slide groove 311, and an internal hexagon headless locking bolt perpendicular to the double-ended screw 33 is provided in the threaded hole. After the internal hexagon headless locking bolt is tightened, it abuts against the double-ended screw 33 to secure it and prevent accidental adjustment of the adjustment knob 34.

[0029] Example 2 is a further improvement based on Example 1, and its details are as follows:

[0030] A pressure plate 35 is provided on the top of the two side plates 32. The pressure plate 35 is fixedly connected to one of the side plates 32 by a locking plate 351 on its side wall and bolts. The pressure plate 35 can limit the extraction column 5 and prevent the skirts at the top of the two extraction columns 5 from overlapping due to up-and-down shaking under the action of the vibrator 2. Since the pressure plate 35 is only connected to one of the side plates 32, it is more convenient to adjust the distance between the two side plates 32 without disassembling the pressure plate 35.

[0031] Example 3 is a further improvement based on Example 2, and its details are as follows:

[0032] The pressure plate 35 is provided with an observation window 352, and the edge of the observation window 352 is provided with scale lines 353. The scale of the scale lines 353 corresponds to the distance between the two side plates 32. Through the observation window 352, it is possible to intuitively determine whether the distance between the two side plates 32 is consistent with the diameter of the target extraction column 5, so that it can be adjusted while observing, making the operation more convenient.

[0033] Example 4 is a further improvement based on Example 1, and its details are as follows:

[0034] It also includes a material distribution mechanism 4, which includes a mounting plate 41, a horizontal motion cylinder 42, a stop block 43, and a material distribution block 44;

[0035] Mounting plate 41 is fixedly mounted on mounting base 1. Horizontal motion cylinder 42 is fixedly mounted on the upper end of mounting plate 41. Material distribution block 44 is fixedly mounted on the moving end of horizontal motion cylinder 42. Material distribution block 44 is provided with a U-shaped groove 4421 that matches the diameter of extraction column 5. A stop block 43 is provided at the end of material distribution block 44 away from horizontal motion cylinder 42. The outlet of material channel 3 is connected to the U-shaped groove 4421 or to the stop block 43.

[0036] When the movable end of the horizontal motion cylinder 42 extends, the U-shaped groove 4421 connects with the material channel 3, the stop block 43 moves away from the end of the material channel 3, and the extraction column 5 enters the U-shaped groove 4421. When the movable end of the horizontal motion cylinder 42 retracts, the U-shaped groove 4421 separates from the material channel 3, the stop block 43 is located at the end of the material channel 3, and the extraction column 5 in the material channel 3 cannot come out. Since the U-shaped groove 4421 can only hold one extraction column 5 and its position is fixed, the feeding mechanism can accurately remove the extraction column 5.

[0037] Example 5 is a further improvement on Example 4, and its details are as follows:

[0038] The material distribution block 44 includes a fixed part 441 and several U-shaped replacement parts 442. The fixed part 441 has a vertically formed U-shaped mounting groove 4411. The replacement parts 442 are detachably connected to the mounting groove 4411, and the U-shaped groove 4421 is provided on the replacement parts 442. The fixed part 441 is fixedly connected to the movable end of the horizontal movement cylinder 42. Both the fixed part 441 and the replacement parts 442 are provided with corresponding sensor holes 443. In a specific implementation, the sensor of the extraction column assembly machine is installed in the sensor hole 443 of the fixed part 441. Since the sensor holes 443 on the replacement parts 442 and the fixed part 441 correspond, the sensor can detect whether the extraction column 5 is present in the U-shaped groove 4421 through the sensor hole 443 on the replacement part 442.

[0039] The material distribution block 44 is divided into a fixed part 441 and a replacement part 442. When assembling extraction columns 5 of different diameters, only the replacement part 442 needs to be replaced. There is no need to remove the sensor and the entire baffle 43 and material distribution block 44, which is more efficient.

[0040] Example 6 is a further improvement on Example 5, and its details are as follows:

[0041] A limiting boss 4412 extends inward from the bottom of the mounting groove 4411, and the lower end face of the replacement part 442 is located on the limiting boss 4412. The replacement part 442 can be limited so that the height of the replacement part 442 is consistent with that of the mounting groove 4411, so as to align the sensor hole position 443 on the fixing part 441 and the replacement part 442.

[0042] Example 7 is a further improvement based on either Example 5 or Example 6, and its details are as follows:

[0043] A locking bolt 45 is provided on the side wall of the stop block 43. One end of the locking bolt 45 passes through the stop block 43 and extends into the mounting groove 4411 to abut against the replacement part 442. This can achieve the purpose of locking the replacement part 442 and prevent the replacement part 442 from shaking.

[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An extraction column feeding mechanism for an extraction column assembly machine, characterized in that, It includes a fixed base (1), a straight vibrator (2) and a material channel (3) fixedly installed above the straight vibrator (2). The straight vibrator (2) is fixedly installed on the fixed base (1). The inlet of the material channel (3) is connected to the outlet of the vibrating feeder, and the outlet of the material channel (3) is connected to the feeding mechanism of the extraction column assembly machine. The feed channel (3) includes a base plate (31), two side plates (32), a double-headed screw (33), and an optical axis guide rod (36). The middle part of the base plate (31) is fixedly mounted on the vertical vibrator (2). The two ends of the base plate (31) are respectively provided with grooves (311) arranged along the movement direction of the two side plates (32). The two ends of the two side plates (32) are provided with sliders (321) extending downwards. The sliders (321) slide in the grooves (311). The sliders (321) at the same end of one of the two side plates (32) are... The slide plate (311) is provided with threaded holes (322) with opposite thread directions. The double-ended screw (33) is threadedly connected to the two threaded holes (322) respectively. One end of the double-ended screw (33) is rotatably connected to the side wall of the slide (311), and the other end extends out of the slide (311) and is connected to the adjustment knob (34). The slider (321) at the other end of the two side plates (32) is provided with a round hole (323) that matches the optical axis guide rod (36). The two ends of the optical axis guide rod (36) are fixedly connected to the side wall of the slide (311) respectively.

2. The extraction column feeding mechanism for an extraction column assembly machine according to claim 1, characterized in that, A pressure plate (35) is provided on the top of the two side plates (32), and the pressure plate (35) is fixedly connected to one of the side plates (32) by a locking plate (351) on its side wall and bolts.

3. The extraction column feeding mechanism for an extraction column assembly machine according to claim 2, characterized in that, The pressure plate (35) is provided with an observation window (352), and the edge of the observation window (352) is provided with a scale line (353), the scale of the scale line (353) corresponding to the distance between the two side plates (32).

4. The extraction column feeding mechanism for an extraction column assembly machine according to claim 1, characterized in that, It also includes a material distribution mechanism (4), which includes a mounting plate (41), a horizontal motion cylinder (42), a stop block (43), and a material distribution block (44). The mounting plate (41) is fixedly mounted on the fixed base (1), the horizontal motion cylinder (42) is fixedly mounted on the upper end of the mounting plate (41), the material distribution block (44) is fixedly mounted on the moving end of the horizontal motion cylinder (42), the material distribution block (44) is provided with a U-shaped groove (4421) that matches the diameter of the extraction column (5), the end of the material distribution block (44) away from the horizontal motion cylinder (42) is provided with the stop block (43), and the outlet of the material channel (3) is connected to the U-shaped groove (4421) or to the stop block (43).

5. The extraction column feeding mechanism for an extraction column assembly machine according to claim 4, characterized in that, The material distribution block (44) includes a fixed part (441) and several U-shaped replacement parts (442). The fixed part (441) has a vertically opened U-shaped mounting groove (4411). The replacement part (442) is detachably connected to the mounting groove (4411). The U-shaped groove (4421) is set on the replacement part (442). The fixed part (441) is fixedly connected to the movable end of the horizontal motion cylinder (42). The fixed part (441) and the replacement part (442) are both provided with corresponding sensor holes (443).

6. The extraction column feeding mechanism for an extraction column assembly machine according to claim 5, characterized in that, The mounting groove (4411) extends inward at the bottom and is provided with a limiting boss (4412), and the lower end face of the replacement part (442) is located on the limiting boss (4412).

7. An extraction column feeding mechanism for an extraction column assembly machine according to claim 5 or 6, characterized in that, The side wall of the stop (43) is provided with a locking bolt (45), one end of which passes through the stop (43) and extends into the mounting groove (4411) to abut against the replacement part (442).

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