Swing mixing device

Abstract

An eccentric wheel is driven by a motor to rotate, a telescopic rod swings left and right along with rotation of the eccentric wheel, the telescopic rod is connected with a supporting rod, and the joint of the telescopic rod and the supporting rod is hinged and fixed to a rack through a fixing shaft; therefore, when the telescopic rod swings left and right, the supporting rod is driven to do semicircular reciprocating motion, so that the clamp and the sample tube mounted on the clamp integrally swing back and forth, and a sample in the sample tube continuously impacts the two ends of the sample tube; therefore, samples are uniformly mixed, physical structures and chemical properties of the samples are not damaged, the mixing effect is ensured, and a plurality of clamps can be simultaneously arranged on the device, so that batch sample preparation is realized, and the sample preparation efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sample mixing detection, and in particular to a rocking mixing device. Background Art

[0002] The field of instrument detection involves quantitative detection of various samples by adding a certain amount of standard samples to the sample to be tested, and mixing them evenly. The content of the physical phase in the sample to be tested is determined by the known content of the standard sample, or a model curve is established according to different contents of the standard sample, so as to obtain the detection results of different data of the sample to be tested. Among various mixed detection methods, the grinding and mixing method is the most widely used, but the grinding and mixing method also has certain defects. First, if the structure of the sample is unstable, the physical structure of the sample will be destroyed during the grinding process, or the grinding force will cause chemical reactions or changes in the chemical structure of different samples, resulting in deviations in the detection structure. Secondly, single grinding will limit the efficiency of sample preparation, and the grinding method will have uneven grinding and non-uniform grinding conditions during the batch grinding of samples. Other mixed detection methods such as oscillation mixing method and rotation mixing method also have the disadvantages of insufficient mixing uniformity and easy stratification.

[0003] Therefore, there is a need for a rocking mixing device that can ensure the mixing effect without destroying the physical structure and chemical properties of the mixed sample. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a swing mixing device.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: A swing mixing device comprises a motor, wherein an eccentric wheel is installed on the output shaft of the motor, the eccentric wheel is connected to one end of a telescopic rod, the other end of the telescopic rod is fixed to one end of a main support rod, the other end of the main support rod is connected to a clamp, and the connection between the telescopic rod and the main support rod is hinged to a frame via a main fixed shaft; driven by the motor, the clamp swings back and forth around the circumference of the main fixed shaft.

[0006] As a further improvement of the above technical solution: The eccentric wheel and the telescopic rod, and the telescopic rod and the main support rod are connected via bearings.

[0007] The eccentric wheel is formed with an axial hole for connecting to the motor output shaft and a connecting shaft for connecting to the telescopic rod on the main body, and the straight line where the axial hole is located is parallel to the straight line where the connecting shaft is located and does not intersect; the telescopic rod is formed with a first connecting ring at one end for connecting to the eccentric wheel; the first connecting ring is connected to the connecting shaft via a bearing.

[0008] A second connecting ring is formed at the connection between the telescopic rod and the main supporting rod, and the main fixed shaft passes through the second connecting ring.

[0009] The second connecting ring is connected to the main fixed shaft via a bearing.

[0010] The mixing device also includes a secondary support rod, which is hinged to the frame via a secondary fixed shaft; one end of the secondary support rod away from the secondary fixed shaft is connected to one end of the main support rod away from the main fixed shaft via a support plate; and a plurality of clamps are fixed on the support plate.

[0011] The clamp comprises a bottom plate, both ends of the bottom plate are provided with blocking pieces, and an elastic piece is clamped between the blocking piece and the sample tube.

[0012] The clamp also includes clamping plates slidably mounted on both sides of the bottom plate.

[0013] The length direction of the sample tube is consistent with the tangent direction of the clamp swing path.

[0014] The frame is provided with a first opening for installing the main fixed shaft and a second opening for installing the auxiliary fixed shaft.

[0015] Compared with the prior art, the advantages of the present invention are: The motor drives the eccentric wheel to rotate, and the telescopic rod swings left and right following the rotation of the eccentric wheel. The telescopic rod is connected to the support rod, and the connection between the two is hinged and fixed to the frame via a fixed shaft. The clamp is installed on the support rod. Therefore, when the telescopic rod swings left and right, it drives the support rod to make a semicircular reciprocating motion, so that the clamp and the sample tube installed on the clamp swing back and forth as a whole, so that the sample in the sample tube continuously hits the two ends of the sample tube. By setting the swing frequency and time, the sample is mixed evenly without destroying the physical structure and chemical properties of the sample, thereby ensuring the mixing effect. In addition, the device can arrange multiple clamps at the same time, thereby realizing batch sample preparation and improving sample preparation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the structure of a rocking mixing device; Figure 2 It is a three-dimensional schematic diagram of the telescopic rod; Figure 3 It is a partial structural schematic diagram of a rocking mixing device; Figure 4 It is a three-dimensional schematic diagram of the fixture.

[0017] The numbers in the figure represent: 1. motor; 2. eccentric wheel; 21. main body; 22. shaft hole; 23. connecting shaft; 3. telescopic rod; 31. first connecting ring; 32. second connecting ring; 4. main support rod; 5. clamp; 51. bottom plate; 52. stopper; 53. elastic member; 54. clamp; 6. main fixed shaft; 7. frame; 71. opening one; 72. opening two; 8. bearing; 9. auxiliary support rod; 10. auxiliary fixed shaft; 11. support plate; 12. sample tube. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Example like Figures 1 to 4 As shown, the swing mixing device of this embodiment includes a motor 1, an eccentric wheel 2 is installed on the output shaft of the motor 1, the eccentric wheel 2 is connected to one end of a telescopic rod 3, the other end of the telescopic rod 3 is fixed to one end of a main support rod 4, the other end of the main support rod 4 is connected to a clamp 5, and the connection between the telescopic rod 3 and the main support rod 4 is hinged to a frame 7 via a main fixed shaft 6; driven by the motor 1, the clamp 5 swings back and forth around the main fixed shaft 6. The eccentric wheel 2 is formed with an axial hole 22 and a connecting shaft 23. The output shaft of the motor 1 is connected to the axial hole 22 of the eccentric wheel 2, thereby driving the connecting shaft 23 to rotate around the output shaft of the motor 1. The connecting shaft 23 of the eccentric wheel 2 is connected to the telescopic rod 3, and the end of the telescopic rod 3 away from the connecting shaft 23 is hinged to the main fixed shaft 6, so the telescopic rod 3 follows the rotation of the eccentric wheel 2 and continuously retracts and retracts and swings left and right around the main fixed shaft 6; and because the telescopic rod 3 is connected to the main support rod 4, and the connection between the two is hinged to the frame 7 through the main fixed shaft 6, and the clamp 5 is installed on the main support rod 4, when the telescopic rod 3 swings left and right, it drives the end of the main support rod 4 away from the main fixed shaft 6 to make a semicircular reciprocating motion, so that the clamp 5 swings back and forth as a whole, and by setting the swinging frequency and time, the sample is mixed evenly without destroying the physical structure and chemical properties of the sample, thereby ensuring the mixing effect, and the device can arrange multiple clamps 5 at the same time, thereby realizing batch sample preparation and improving sample preparation efficiency.

[0020] In this embodiment, the eccentric wheel 2 and the telescopic rod 3, and the telescopic rod 3 and the main support rod 4 are connected via bearings 8 to reduce friction losses at the joints of the structures, enhance the flexibility of the transmission process and increase the service life of the overall device.

[0021] In this embodiment, the eccentric wheel 2 is formed with an axial hole 22 for connecting the output shaft of the motor 1 and a connecting shaft 23 for connecting the telescopic rod 3 on the body 21, and the straight line where the axial hole 22 is located is parallel to the straight line where the connecting shaft 23 is located and does not intersect; the end of the telescopic rod 3 for connecting the eccentric wheel 2 is formed with a first connecting ring 31; the first connecting ring 31 is connected to the connecting shaft 23 via a bearing 8. The axial hole 22 and the connecting shaft 23 are not colinear, so that the connecting shaft 23 can rotate around the output shaft of the motor 1 following the rotation thereof, and because the telescopic rod 3 is connected to the eccentric wheel 2 through the first connecting ring 31, the telescopic rod 3 can be driven to swing left and right.

[0022] In this embodiment, a second connecting ring 32 is formed at the connection between the telescopic rod 3 and the main support rod 4, and the main fixed shaft 6 passes through the second connecting ring 32. The telescopic rod 3 and the main support rod 4 are connected through the second connecting ring 32, and the second connecting ring 32 is fixedly connected to the main fixed shaft 6, so that the end of the main support rod 4 away from the main fixed shaft 6 follows the left and right swing of the telescopic rod 3 and performs a semicircular reciprocating motion.

[0023] In this embodiment, the second connecting ring 32 is connected to the main fixed shaft 6 via a bearing 8. The connection via the bearing 8 reduces the friction loss between the second connecting ring 32 and the main fixed shaft 6, enhances the flexibility of the transmission process and increases the service life of the overall device.

[0024] In this embodiment, the mixing device further comprises a secondary support rod 9, which is hinged to the frame 7 via a secondary fixed axis 10; one end of the secondary support rod 9 away from the secondary fixed axis 10 is connected to one end of the main support rod 4 away from the main fixed axis 6 via a support plate 11; and a plurality of clamps 5 are fixed on the support plate 11. The telescopic rod 3 is connected to the main support rod 4 via a second connecting ring and the main fixed axis 6, so that the telescopic rod 3 can move with the main support rod 4, thereby driving the support plate 11 to reciprocate, and because one end of the secondary support rod 9 away from the secondary fixed axis 10 is connected to one end of the main support rod 4 away from the main fixed axis 6 via the support plate 11, the support plate 11 drives the secondary support rod 9 to perform the same semicircular reciprocating motion as the main support rod 4, and at the same time, the secondary support rod 9 also provides a supporting force to the support plate 11, thereby improving the stability of the support plate 11 and the clamp 5 and enabling the support plate 11 to carry more clamps 5, thereby realizing batch sample preparation and improving sample preparation efficiency.

[0025] In this embodiment, the clamp 5 includes a bottom plate 51, and both ends of the bottom plate 51 are provided with stoppers 52, and an elastic member 53 is sandwiched between the stopper 52 and the sample tube 12. The bottom plate 51 of the clamp 5 is used to carry the sample tube 12, and the stoppers 52 provided at both ends are used to limit the lateral movement of the sample tube 12, and the elastic member 53 between the stopper 52 and the sample tube 12 provides a shock-absorbing effect when the sample tube 12 swings left and right, so that when the sample in the sample tube 12 hits the two ends of the tube, the sample tube 12 and the clamp 5 are not damaged, and the two ends of the sample tube 12 are prevented from being broken, thereby enhancing the safety and stability of the device.

[0026] In this embodiment, the clamp 5 further includes clamps 54 slidably mounted on both sides of the bottom plate 51. The clamps 54 mounted on both sides of the bottom plate 51 are used to limit the radial movement of the sample tube 12. The clamps 54 are movably mounted on connecting parts such as bolts so that they can be used for sample tubes 12 of different widths, thereby enhancing the applicability of the device.

[0027] In this embodiment, the length direction of the sample tube 12 is consistent with the tangent direction of the swing path of the clamp 5. The sample tube 12 is installed in the clamp 5 and moves with the clamp 5. Its length direction is consistent with the tangent direction of the swing path of the clamp 5, so that when the clamp 5 swings back and forth, the sample in the sample tube 12 can continuously hit the two ends of the tube to achieve a better mixing effect.

[0028] In this embodiment, the frame 7 is provided with an opening 71 for mounting the main fixed shaft 6 and an opening 72 for mounting the secondary fixed shaft 10. The opening 71 and the opening 72 are used to mount the main fixed shaft 6 and the secondary fixed shaft 10, and are also used to facilitate the movement of the telescopic rod 3, the main support rod 4 and the secondary support rod 9 to prevent interference with their swing.

[0029] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the technical content disclosed above without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A rocking mixing device, characterized in that: The invention comprises a motor (1), the output shaft of the motor (1) is equipped with an eccentric wheel (2), the eccentric wheel (2) is connected to one end of a telescopic rod (3), the other end of the telescopic rod (3) is fixed to one end of a main support rod (4), the other end of the main support rod (4) is connected to a clamp (5), and the connection between the telescopic rod (3) and the main support rod (4) is hinged to a frame (7) via a main fixed shaft (6); driven by the motor (1), the clamp (5) swings back and forth around the main fixed shaft (6).

2. The swing mixing device according to claim 1, characterized in that: The eccentric wheel (2) and the telescopic rod (3), and the telescopic rod (3) and the main support rod (4) are connected via bearings (8).

3. The swing mixing device according to claim 2, characterized in that: The eccentric wheel (2) is formed with an axial hole (22) for connecting to the output shaft of the motor (1) and a connecting shaft (23) for connecting to the telescopic rod (3) on the body (21); the straight line where the axial hole (22) is located is parallel to the straight line where the connecting shaft (23) is located and does not intersect; the end of the telescopic rod (3) for connecting to the eccentric wheel (2) is formed with a first connecting ring (31); the first connecting ring (31) is connected to the connecting shaft (23) via a bearing (8).

4. The swing mixing device according to claim 2, characterized in that: A second connecting ring (32) is formed at the connection between the telescopic rod (3) and the main supporting rod (4), and the main fixed shaft (6) passes through the second connecting ring (32).

5. The swing mixing device according to claim 4, characterized in that: The second connecting ring (32) is connected to the main fixed shaft (6) via a bearing (8).

6. The swing mixing device according to claim 1, characterized in that: The mixing device further comprises a secondary support rod (9), wherein the secondary support rod (9) is hinged to the frame (7) via a secondary fixed shaft (10); an end of the secondary support rod (9) facing away from the secondary fixed shaft (10) is connected to an end of the main support rod (4) facing away from the main fixed shaft (6) via a support plate (11); and a plurality of clamps (5) are fixed on the support plate (11).

7. The swing mixing device according to claim 1, characterized in that: The clamp (5) comprises a bottom plate (51), both ends of the bottom plate (51) are provided with blocking members (52), and an elastic member (53) is clamped between the blocking member (52) and the sample tube (12).

8. The swing mixing device according to claim 7, characterized in that: The clamp (5) further comprises clamping plates (54) slidably mounted on both sides of the bottom plate (51).

9. The swing mixing device according to claim 7, characterized in that: The length direction of the sample tube (12) is consistent with the tangent direction of the swing path of the clamp (5).

10. The swing mixing device according to claim 1, characterized in that: The frame (7) is provided with an opening (71) for mounting the main fixed shaft (6) and an opening (72) for mounting the auxiliary fixed shaft (10).

Images