Test tube rotating mechanism and fusion sealing device
By using a test tube rotation mechanism to rotate the test tube during the sealing process, the problem of uneven heating due to a fixed flame direction is solved, and the size consistency of the test tube sealing opening is achieved.
Patent Information
- Application Number
- CN202423314665.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing test tube sealing devices, the fixed flame direction leads to inconsistent shapes of the test tube sealing openings.
A test tube rotation mechanism is used, in which multiple rolling elements clamp the test tube and drive it to rotate, so that all the circumferences of the test tube are heated evenly, forming a consistent molten seal.
It achieves consistent dimensions at the test tube sealing opening and solves the problem of uneven heating when the flame direction is fixed.
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Figure CN223631844U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test tube fusion seal technical field, concretely relates to a test tube rotating mechanism and fusion seal device. BACKGROUND
[0002] In the process of fusing and sealing the test tube, the test tube is heated by the heating device, and the upper section of the test tube is rotated while being heated by the suction cup.
[0003] In the current test tube fusion seal device, the clamping device for clamping the lower section of the test tube can only clamp the test tube.
[0004] When the test tube is fused and sealed from the middle, the lower section of the test tube is clamped, and the flame is directed at the lower end of the test tube from a fixed angle during the process of sealing the lower end of the test tube by the flame. Through testing, it is found that due to the fixed direction of the flame, the circumferential heating of the test tube is uneven, resulting in inconsistent shapes of the fusion seal of different test tubes. INVENTION CONTENTS
[0005] The utility model aims at overcoming the above technical deficiencies, and provides a test tube rotating mechanism to solve the technical problem of inconsistent shapes of test tube fusion seal caused by the direction of the flame and the fixation of the test tube in the prior art.
[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:
[0007] In a first aspect, the utility model provides a test tube rotating mechanism, which comprises:
[0008] A clamping seat is provided with a passage for inserting a test tube;
[0009] A rotating assembly comprises a plurality of rolling elements and a first driving element. The rolling elements are distributed circumferentially along the passage. The rolling elements are rotatably connected to the clamping seat. The first driving element is connected to the clamping seat and connected to one or more rolling elements, for driving the rolling elements to rotate.
[0010] In one embodiment, the rolling elements are slidingly connected to the clamping seat and can rotate relative to the clamping seat. The size of the clamping area formed by the rolling elements can be adjusted by sliding.
[0011] In one embodiment, the clamping seat is provided with a plurality of first sliding grooves radially along the passage, and the rolling elements can be rollingly and slidingly inserted into the first sliding grooves.
[0012] In one of the embodiments, the test tube rotating mechanism further comprises a driving assembly, the driving assembly comprises a rotating seat, a plurality of second sliding grooves are formed in the rotating seat relative to the plurality of first sliding grooves, the plurality of second sliding grooves are distributed along the circumference of the channel, the arrangement direction of the second sliding grooves is crossed with the arrangement direction of the first sliding grooves, and the rolling members are slidingly and rotatably arranged in the second sliding grooves.
[0013] In one of the embodiments, the second sliding grooves are arc-shaped.
[0014] In one of the embodiments, the driving assembly further comprises a transmission member and a second driving member, the second driving member is connected to the clamping seat and connected to the rotating seat through the transmission member, and used for driving the rotating seat to rotate.
[0015] In one of the embodiments, the rotating assembly further comprises at least two first rotating shafts, two ends of the first rotating shafts are rotatably and slidingly connected to the first sliding grooves and the second sliding grooves, and part of the rolling members are sleeved on the first rotating shafts.
[0016] In one of the embodiments, the rotating assembly further comprises a sliding frame, the sliding frame is outwardly formed with a second rotating shaft, the second rotating shaft is slidingly arranged in the first sliding grooves and the second sliding grooves, the second driving member is connected to the sliding frame, and at least one rolling member is sleeved on the output shaft of the second driving member.
[0017] In a second aspect, the utility model also provides a sealing device, including above-mentioned test tube rotating mechanism.
[0018] In one of the embodiments, the sealing device further comprises a rack and a three-dimensional moving assembly, the three-dimensional moving assembly is connected to the rack and the clamping seat, and used for driving the clamping seat to move.
[0019] Compared with the prior art, the test tube rotating mechanism and the sealing device provided by the utility model, when the test tube is sealed, the lower section of the test tube is inserted into the channel, the test tube is clamped by the plurality of rolling members, the first driving member is started during and after the test tube is melted, the rolling members are rolled by the first driving member, the test tube is rotated by the rolling members, each circumferential surface of the test tube can contact the flame by rotating the test tube, the test tube can be uniformly heated, and the size of the sealing opening of the test tube is consistent. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is the structure schematic view of the test tube rotating mechanism provided by the utility model embodiment;
[0021] Figure 2 is the exploded view of the test tube rotating mechanism provided by the utility model embodiment;
[0022] Figure 3 is an explosion map of the test tube rotating mechanism provided by the embodiment of the utility model;
[0023] Figure 4 is a structure schematic view of the clamping seat part structure of the test tube rotating mechanism provided by the embodiment of the utility model;
[0024] Figure 5 is a structure schematic view of the rotating assembly and the driving assembly in the test tube rotating mechanism provided by the embodiment of the utility model;
[0025] Figure 6 is a structure schematic view of the rotating assembly and the rotating seat in the test tube rotating mechanism provided by the embodiment of the utility model;
[0026] Figure 7 is a structure schematic view of the sealing device provided by the embodiment of the utility model.
[0027] Explanation of reference signs:
[0028] Clamping seat 1; Passage 1a; First sliding groove 1b;
[0029] Rotating assembly 2; Rolling member 21; First driving member 22; First rotating shaft 23; Sliding frame 24; Second rotating shaft 25;
[0030] Driving assembly 3; Rotating seat 31; Second sliding groove 31a; Transmission member 32; Second driving member 33;
[0031] Frame 4;
[0032] Three-dimensional moving assembly 5;
[0033] Test tube 6. Specific implementation
[0034] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.
[0035] In order to solve the technical problem that the flame direction and test tube fixation cause the inconsistency of the test tube sealing port shape, the utility model provides a test tube rotating mechanism, which can realize the consistency of the sealing port of the sealed test tube.
[0036] It should be noted that the test tube rotating mechanism described in the utility model is used in but not limited to sealing devices and the like. In order to facilitate the description, in the utility model, only the test tube rotating mechanism applied to the sealing device is taken as an example for description, and the principle of the test tube rotating mechanism applied to other types of equipment is substantially the same as that applied to the sealing device, which is not described one by one here.
[0037] Please refer to Figure 6 , Figure 6 It is a structural schematic view of the rotating assembly and the rotating seat in the test tube rotating mechanism in an embodiment of the present application. The test tube rotating mechanism comprises a clamping seat 1 and a rotating assembly 2. The clamping seat 1 is provided with a passage 1a for inserting the test tube 6. The rotating assembly 2 comprises a plurality of rolling members 21 and a first driving member 22. The plurality of rolling members 21 are distributed along the circumference of the passage 1a. The rolling member 21 is rotatably connected to the clamping seat 1. The first driving member 22 is connected to the clamping seat 1 and connected to any one or more rolling members 21, for driving the rolling member 21 to rotate.
[0038] Specifically, when the test tube 6 is sealed by melting, the lower section of the test tube 6 is inserted into the passage 1a. The test tube 6 is clamped by the plurality of rolling members 21. During and after the melting of the test tube 6, the first driving member 22 is started. The first driving member 22 drives the rolling member 21 to roll. The rolling member 21 drives the test tube 6 to rotate. By driving the test tube 6 to rotate, each circumferential surface of the test tube 6 can contact the flame. The test tube 6 can be uniformly heated. The size of the sealing opening of the test tube 6 formed by melting is consistent.
[0039] It should be understood that the clamping seat 1 can be a hollow shell, a seat body, etc. As shown in Figure 1 and Figure 3 , in one of the embodiments, the clamping seat 1 is formed by two shells.
[0040] In order to clamp and release the test tube 6, as shown in Figure 6 , in one of the embodiments, the rolling member 21 is slidably connected to the clamping seat 1 and can rotate relative to the clamping seat 1. The size of the clamping area formed by the plurality of rolling members 21 can be adjusted by sliding.
[0041] When the test tube 6 needs to be clamped, the plurality of rolling members 21 are driven to approach each other. The size of the clamping area is reduced. The plurality of rolling members 21 clamp the test tube 6. After the test tube 6 is sealed by melting, the plurality of rolling members 21 are driven to move away from each other. The size of the clamping area is increased. The plurality of rolling members 21 release the test tube 6.
[0042] It should be understood that the rolling member 21 can be slidably and rotatably connected to the clamping seat 1 through a sliding block and a sliding groove, etc. Specifically, as shown in Figure 4 and Figure 3 , in one of the embodiments, a plurality of first sliding grooves 1b are formed in the clamping seat 1 along the radial direction of the passage 1a. The rolling member 21 can be rotatably and slidably inserted into the first sliding groove 1b.
[0043] By providing the first sliding groove 1b, the rolling member 21 is slidably and rotatably arranged in the first sliding groove 1b. The sliding and rotatable connection of the rolling member 21 relative to the clamping seat 1 is achieved.
[0044] In order to drive the rolling member 21 to slide relative to the first sliding groove 1b, a plurality of driving members can be used to drive a plurality of rolling members 21 to slide relative to the first sliding groove 1b. Specifically, as shown in Figure 3 and Figure 5 In one embodiment, the test tube rotating mechanism further comprises a driving assembly 3, the driving assembly 3 comprises a rotating seat 31, the rotating seat 31 is rotatably connected to the clamping seat 1, the rotating seat 31 is provided with a plurality of second sliding grooves 31a relative to the plurality of first sliding grooves 1b, the plurality of second sliding grooves 31a are distributed along the circumference of the channel 1a, the arrangement direction of the second sliding groove 31a is crossed with the arrangement direction of the first sliding groove 1b, and the rolling member 21 is slidably and rotatably arranged in the second sliding groove 31a.
[0045] In this embodiment, the rotating seat 31 is provided, which is a hollow seat or a ring-shaped seat. When the rotating seat 31 rotates, the inner wall of the second sliding groove 31a presses the rolling member 21 and drives the rolling member 21 to slide along the first sliding groove 1b, and the rotating seat 31 can simultaneously drive a plurality of rolling members 21 to approach or move away from each other.
[0046] It should be understood that the rotating seat 31 can be rotatably connected to the clamping seat 1 by a rotating shaft, a rotating pin, etc., or can be rotatably arranged in the clamping seat 1.
[0047] It should be understood that the second sliding groove 31a, the first sliding groove 1b and the rolling member 21 are arranged one-to-one, or can be arranged in other ways.
[0048] In order to facilitate the rolling member 21 to slide relative to the rotating seat 31, in one embodiment, the second sliding groove 31a is arc-shaped. It should be understood that the second sliding groove 31a can also be linear.
[0049] By setting the second sliding groove 31a to be arc-shaped, the arc-shaped second sliding groove 31a can smoothly guide the rolling member 21 to slide.
[0050] In order to drive the rotating seat 31 to rotate, as shown in Figure 3 In one embodiment, the driving assembly 3 further comprises a transmission member 32 and a second driving member 33, the second driving member 33 is connected to the clamping seat 1 and connected to the rotating seat 31 through the transmission member 32, and is used to drive the rotating seat 31 to rotate.
[0051] The second driving member 33 can drive the rotating seat 31 to rotate through the transmission member 32. The second driving member 33 can be a motor, a hydraulic motor, etc. The transmission member 32 can be a belt transmission mechanism, a chain wheel transmission mechanism, a gear transmission mechanism. Specifically, as shown in Figure 3 In one embodiment, the transmission member 32 adopts a belt transmission.
[0052] It should be understood that the rolling member 21 can be directly or indirectly connected with the first sliding groove 1b and the second sliding groove 31 in a rotatable and slidable manner. Specifically, in one embodiment, the rotating assembly 2 further comprises at least two first rotating shafts 23, both ends of the first rotating shaft 23 are rotatably and slidably connected with the first sliding groove 1b and the second sliding groove 31a, and part of the rolling member 21 is sleeved on the first rotating shaft 23.
[0053] In the embodiment, the rolling member 21 is rotatably and slidably arranged on the first sliding groove 1b and the second sliding groove 31a through the first rotating shaft 23, thereby realizing the connection between the rolling member 21 and the rotating seat 31 and the clamping seat 1. It should be understood that other structures can also be used to realize the connection between the rolling member 21 and the rotating seat 31 and the clamping seat 1.
[0054] In order to fix the rolling member 21 and the second driving member 33 without interfering with the sliding and rolling of the rolling member 21, as shown in Figure 6 In one embodiment, the rotating assembly 2 further comprises a sliding frame 24, the sliding frame 24 is outwardly formed with a second rotating shaft 25, the second rotating shaft 25 is slidably arranged on the first sliding groove 1b and the second sliding groove 31a, the second driving member 33 is connected with the sliding frame 24, and at least one rolling member 21 is sleeved on the output shaft of the second driving member 33.
[0055] In the embodiment, the rolling member 21 is rotatably and slidably connected with the rotating seat 31 and the clamping seat 1 through the sliding frame 24 and the second rotating shaft 25, the rolling member 21 is driven to roll by the output shaft of the second driving member 33, so that the rolling member 21 is rotatably and slidably connected with the rotating seat 31 and the clamping seat 1 through the output shaft of the second driving member 33, and at the same time, the second driving member 33 drives the rolling member 21 to roll without interfering with the sliding of the rolling member 21 relative to the first sliding groove 1b and the second sliding groove 31a.
[0056] It should be understood that the number of rolling members 21 can be three, four, five, etc. Specifically, in one embodiment, the number of rolling members 21 is two, the number of first rotating shafts 23 is two, the number of sliding frames 24 is one, the two first rotating shafts 23 correspond to the two rolling members 21, and the sliding frame 24 corresponds to the other rolling member 21.
[0057] It should be understood that the rolling member 21 can be a roller, a rolling sleeve, a sleeve, a bearing, etc. The rolling member 21 can be rotatably sleeved on the rotating shaft or fixedly sleeved on the rotating shaft.
[0058] As shown in Figure 7 In a second aspect, the utility model also provides a sealing device for test tubes, which comprises the test tube rotating mechanism.
[0059] As Figure 7 In one of the embodiments, the sealing device further comprises a rack 4 and a three-dimensional moving assembly 5 connected to the rack 4 and the clamping seat 1 for driving the clamping seat 1 to move.
[0060] By arranging the three-dimensional moving assembly 5, the three-dimensional moving assembly 5 can drive the test tube rotating device to align the test tube 6 and drive the sealed test tube 6 to move to a preset storage position.
[0061] It should be understood that the three-dimensional moving assembly 5 can be a mechanical arm, a three-dimensional moving platform, etc.
[0062] The specific embodiments of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A test tube rotating mechanism characterized by comprising: The test tube rotating mechanism comprises: a clamping seat provided with a channel for inserting a test tube; and a rotating assembly comprising a plurality of rolling members and a first driving member, the plurality of rolling members are distributed along the circumference of the channel, the rolling members are rotatably connected to the clamping seat, the first driving member is connected to the clamping seat and connected to any one or more of the rolling members for driving the rolling members to rotate.
2. The test tube rotating mechanism according to claim 1, wherein: the rolling members are slidably connected to the clamping seat and can rotate relative to the clamping seat, and the size of the clamping area formed by the plurality of rolling members can be adjusted by sliding.
3. The test tube rotating mechanism according to claim 2, wherein: a plurality of first sliding grooves are provided in the clamping seat along the radial direction of the channel, and the rolling members are rollably and slidably inserted into the first sliding grooves.
4. The test tube rotating mechanism according to claim 3, wherein: it further comprises a driving assembly, the driving assembly comprises a rotating seat rotatably connected to the clamping seat, the rotating seat is provided with a plurality of second sliding grooves relative to the plurality of first sliding grooves, the plurality of second sliding grooves are spaced apart along the circumference of the channel, the arrangement direction of the second sliding grooves is crossed with the arrangement direction of the first sliding grooves, and the rolling members are slidably and rotatably inserted into the second sliding grooves.
5. The test tube rotating mechanism according to claim 4, wherein: the second sliding grooves are arc-shaped.
6. The test tube rotating mechanism according to claim 4, wherein: the driving assembly further comprises a transmission member and a second driving member, the second driving member is connected to the clamping seat and connected to the rotating seat through the transmission member for driving the rotating seat to rotate.
7. The test tube rotating mechanism according to claim 4, wherein: the rotating assembly further comprises at least two first rotating shafts, both ends of the first rotating shafts are rotatably and slidably connected and inserted into the first sliding grooves and the second sliding grooves, and part of the rolling members are sleeved on the first rotating shafts.
8. The test tube rotating mechanism according to claim 6, wherein: the rotating assembly further comprises a sliding frame, the sliding frame is outwardly formed with a second rotating shaft, the second rotating shaft is slidably arranged in the first sliding grooves and the second sliding grooves, the second driving member is connected to the sliding frame, and at least one rolling member is sleeved on the output shaft of the second driving member.
9. A sealing device, characterized in that The test tube rotating mechanism according to any one of claims 1-8 is included.
10. The fusing apparatus of claim 9, wherein ; It further comprises a rack and a three-dimensional moving assembly, the three-dimensional moving assembly is connected to the rack and the clamping seat for driving the clamping seat to move.