A clamp for holding a pipe
By designing the mating holes and elastic limiting components for the clamping pipe fittings, the problem of unstable material conveying in the fireworks and firecrackers filling equipment was solved, improving production efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIUYANG WUYI TECH MACHINERY CO LTD
- Filing Date
- 2025-06-20
- Publication Date
- 2026-07-03
AI Technical Summary
The existing fireworks and firecracker loading equipment has a slow production cycle, and the horizontal cylindrical material cannot be stably stuck after the thrust is lost, which poses a safety hazard.
Design a clamping fitting that includes a mating hole and an elastic limiting component. The elastic limiting component automatically locks the material after it loses its thrust, ensuring stable material transport and adjustment inside the fitting.
It improved the production cycle of fireworks and firecracker loading equipment, ensured the stability and accuracy of materials during the transportation process, and reduced safety hazards.
Smart Images
Figure CN224455576U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of material conveying technology, and specifically to a clamping pipe fitting. Background Technology
[0002] In existing fireworks manufacturing processes, fireworks need to be filled into the interior of fireworks molds. With the development of technology, the cost of manually filling fireworks has gradually increased. In order to reduce the cost of filling fireworks molds, our company's prior art, "Patent No.: 202320170702.9, title: A Fireworks Filling Production Line", can automatically fill fireworks molds. However, its feeding method involves feeding fireworks row by row onto the filling plate of the filling component, and then driving the filling plate carrying the fireworks to the top of the fireworks mold, and then pushing the fireworks into the fireworks mold through fixed filling. However, because its feeding method involves feeding the fireworks row by row, and only one feeding component can be used in the same section of the production line, the production cycle is slow.
[0003] Based on the above problems, our company has conceived a structure that can rotate horizontally continuous fireworks to a vertical position, thereby speeding up the production cycle. However, how to ensure the stability of the fireworks while rotating them, and how to facilitate the fireworks to enter the structure horizontally and be temporarily stored, and then stably detached under the push of the ejector pin, has become a difficult problem. Based on this technical problem, we have provided a clamping tube. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a clamping pipe fitting that facilitates the horizontal transport of cylindrical materials while automatically locking itself inside the pipe fitting when thrust is lost. This solves the problem that existing pipe fittings and pipes used for horizontal cylindrical materials cannot automatically lock themselves after the material loses thrust.
[0005] The clamping tube of this utility model can be applied to a fireworks and firecracker filling device or other equipment, including:
[0006] Pipe body;
[0007] The pipe body is provided with a docking hole for columnar material to pass through. The diameter of the docking hole is larger than that of the columnar material body, and the interior of the docking hole is provided with a number of elastic limiting members. In the initial state, the elastic limiting members form a limiting hole with a diameter smaller than that of the columnar material with the inner wall of the docking hole.
[0008] In some embodiments, the elastic limiting members are evenly distributed on the upper half of one side of the pipe body, and a groove is formed on the lower half of the side of the pipe body where the elastic limiting members are not provided.
[0009] In some embodiments, the end of the elastic limiting member is on the same plane as the end of the tube body.
[0010] In some embodiments, the pipe body includes a fixing ring adapted to the mating hole, the elastic limiting member is a plurality of arc-shaped pawls inclined toward the axis of the mating hole, the plurality of the arc-shaped pawls are fixedly connected to one side of the fixing ring with gaps, the lower plate half on the same side of the fixing ring and the pawls extends outward horizontally to form an arc-shaped support plate, the inner wall of the arc-shaped support plate and the end of the pawl form a limiting hole; the groove is the inner wall of the arc-shaped support plate.
[0011] In some embodiments, a tapered guide ring is also fixedly connected to the other end of the retaining ring away from the pawl, and the tapered guide ring expands towards the side away from the pawl.
[0012] In some embodiments, a bending groove is provided at the connection between the pawl and the retaining ring.
[0013] In some embodiments, the elastic limiting member is a spring sheet fixedly installed inside the pipe body.
[0014] In some embodiments, the elastic limiting member can be a mechanism that uses a torsion spring, a spring in conjunction with a limiting plate or a limiting block to change the mating hole into a limiting hole.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] 1. By setting the docking hole, this utility model allows several of these devices to be installed and docked on the same axis. Several cylindrical materials with a length adapted to the device can be pushed in along the axis. When the material loses the pushing force, it can automatically get stuck inside the pipe body. This facilitates the adjustment of materials on the same axis and ensures the stability of the material during the adjustment process.
[0017] 2. The present invention, through the setting of the tray, facilitates the sliding of materials along the tray. Since the materials are only subjected to pressure on one side in the pipe body, that is, the axis of the materials in the pipe body is close to the inner wall of the tray, it ensures that the sliding trajectory of the materials inside the pipe body is constant. As long as the elastic limiting member has elasticity to hold the materials, the movement trajectory of the materials will not change, thereby ensuring that the trajectory of the materials when they are pushed out of the pipe body is constant, which facilitates the accuracy of subsequent material docking.
[0018] 3. When the clamping tube of this utility model is applied to fireworks and firecrackers loading equipment, it can solve the problem that the existing technology cannot adjust the fireworks and firecrackers individually. In particular, it solves the problem that the existing equipment does not have a mechanism to rotate and adjust the fireworks and firecrackers individually because the safety hazards of directly clamping the fireworks and firecrackers individually are too great. Attached Figure Description
[0019] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0020] Figure 1 This is a top view of the structure of Embodiment 1;
[0021] Figure 2 This is a schematic diagram of the front section structure of Example 1;
[0022] Figure 3 This is a schematic diagram of the left-side structure of Embodiment 1;
[0023] Figure 4 This is a schematic diagram of the structure during material loading in Example 1;
[0024] Figure 5 This is a schematic diagram of the elastic limiting member being a spring sheet in Embodiment 2;
[0025] Figure 6 This is a schematic diagram of the elastic limiting component in Embodiment 2, which provides elastic force to a structure such as a spring or torsion spring.
[0026] In the diagram: 1. Pipe body; 101. Fixing ring; 102. Pawl; 103. Arc-shaped support plate; 2. Butt hole; 3. Limiting hole; 4. Groove; 5. Conical guide ring; 6. Elastic limiting element; 7. Material; 8. Bending groove. Detailed Implementation
[0027] The following drawings will disclose several embodiments of this utility model. For clarity, many physical details will be described in the following description. However, it should be understood that these physical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these physical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.
[0028] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0029] Example 1:
[0030] Please see Figures 1-4 The clamping fitting of this utility model includes:
[0031] Pipe body 1;
[0032] The pipe body 1 is provided with a docking hole 2 for the columnar material 7 to pass through. The diameter of the docking hole 2 is larger than that of the columnar material 7 body, and the interior of the docking hole 2 is provided with a number of elastic limiting members 6. In the initial state, the elastic limiting members 6 form a limiting hole 3 with the inner wall of the docking hole 2 with a diameter smaller than that of the cylindrical material 7.
[0033] The elastic limiting elements 6 are evenly distributed on the upper half of one side of the pipe body 1, and the lower half of the pipe body 1 without the elastic limiting elements 6 is formed with a groove 4.
[0034] Working principle:
[0035] By setting the docking hole 2, after several of these devices are installed and docked on the same axis, several cylindrical materials 7 with a length adapted to the device can be pushed in along the axis. The materials 7 will be located inside the pipe body 1 one by one. Because the pipe body 1 is provided with an elastic limiting member 6, and a limiting hole 3 with a diameter smaller than that of the material 7 is formed between the elastic limiting member 6 and the inner wall of the docking hole 2, when the material 7 loses the pushing force, it can automatically be stuck inside the pipe body 1. This makes it easy to adjust the materials 7 on the same axis and ensures the stability of the materials 7 during the adjustment process.
[0036] Furthermore, the design of the groove 4 facilitates the sliding of the material 7 along the groove 4. Especially during horizontal conveying, the material 7 is only subjected to pressure by the elastic limiting member 6 located above, which ensures the stability of horizontal sliding. Since the material 7 is only subjected to pressure on one side in the pipe body 1, that is, the axis of the material 7 in the pipe body 1 is close to the inner wall of the groove 4, the sliding trajectory of the material 7 inside the pipe body 1 is guaranteed to be constant. As long as the elastic limiting member 6 has elasticity to hold the material 7, the movement trajectory of the material 7 will not change, thus ensuring that the trajectory of the material 7 when it is subsequently pushed out of the pipe body 1 is constant, which facilitates the accuracy of subsequent docking of the material 7.
[0037] Specifically, the pipe body 1 includes a fixing ring 101 that is adapted to the mating hole 2. The elastic limiting member 6 is a plurality of arc-shaped pawls 102 that are inclined toward the axis of the mating hole 2. The plurality of arc-shaped pawls 102 are fixedly connected to one side of the fixing ring 101 with gaps. The lower plate half on the same side of the fixing ring 101 and the pawls 102 extends outward horizontally to form an arc-shaped support plate 103. A limiting hole 3 is formed between the inner wall of the arc-shaped support plate 103 and the end of the pawls 102. The groove 4 is the inner wall of the arc-shaped support plate 103.
[0038] A conical guide ring 5 is also fixedly connected to the other end of the fixed ring 101 away from the pawl 102. The conical guide ring 5 expands to the side away from the pawl 102, so as to facilitate the guidance of the cylindrical material 7 into the interior of the fixed ring 101.
[0039] The end of the elastic limiting member 6 is on the same plane as the end of the pipe body 1, which ensures that the material 7 can be limited by the elastic limiting member 6 before it leaves the pipe body 1, thus further ensuring the stability of the material 7 when it leaves the pipe body 1.
[0040] A bending groove 8 is provided at the connection between the pawl 102 and the fixing ring 101, which facilitates the bending of the pawl 102.
[0041] Example 2:
[0042] Please see Figure 5 As a variation of Embodiment 2, the elastic limiting member 6 is a spring sheet fixedly installed inside the pipe body 1.
[0043] Please see Figure 6 The elastic limiting component 6 can be a mechanism that uses a torsion spring, a spring in conjunction with a limiting plate or a limiting block to change the docking hole 2 into a limiting hole 3.
[0044] Working principle:
[0045] This embodiment provides several different elastic limiting members 6, which can all play the role of Embodiment 1 to a certain extent in actual use.
[0046] Example 3:
[0047] A fireworks and firecrackers loading device includes a clamping tube according to Embodiment 1 or Embodiment 2, when the mechanism is applied to the fireworks and firecrackers loading device.
[0048] Working principle:
[0049] The firework is pushed into the clamping tube. When the firework loses its pushing force, it can automatically lock into the tube body 1. Then, by adjusting the position of the clamping tube, the state of the firework can be changed, such as rotating it from a horizontal state to a vertical state. When the firework is adjusted to face the firework mold, it is pushed into the firework mold by the conventional loading mechanism of the existing firework loading equipment, that is, by pushing the ejector pin with the air rod.
[0050] When this clamping fitting is applied to fireworks and firecracker loading equipment, it not only has the advantages of the first embodiment, but also solves the problem that the existing technology cannot adjust the fireworks and firecrackers individually. In particular, it solves the problem that the existing equipment does not have a mechanism to rotate and adjust the fireworks and firecrackers individually because the safety hazards of directly clamping the fireworks and firecrackers individually are too great.
[0051] Among them, fireworks and firecrackers, as well as fireworks molds, can be referred to as fireworks inner tubes and fireworks boulders in the fireworks industry.
[0052] The above are merely embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made to the spirit and principles of this utility model should be included within the scope of the claims of this utility model.
Claims
1. A pipe gripping clamp, characterised in that, include: Pipe body (1); The pipe body (1) is provided with a docking hole (2) for the columnar material (7) to pass through. The diameter of the docking hole (2) is larger than that of the columnar material (7) body, and the interior of the docking hole (2) is provided with a plurality of elastic limiting members (6). In the initial state of the docking hole (2), the elastic limiting members (6) form a limiting hole (3) with the inner wall of the docking hole (2) with a diameter smaller than that of the cylindrical material (7).
2. A pipe gripping device according to claim 1, wherein: The elastic limiting member (6) is evenly distributed on the upper half of one side of the pipe body (1), and a groove (4) is formed on the lower half of the side of the pipe body (1) where the elastic limiting member (6) is not provided.
3. A pipe gripping device according to claim 1, wherein: The end of the elastic limiting member (6) is on the same plane as the end of the pipe body (1).
4. A pipe gripping device according to claim 2, wherein: The pipe body (1) includes a fixing ring (101) that is adapted to the docking hole (2). The elastic limiting member (6) is a plurality of arc-shaped pawls (102) that are inclined toward the axis of the docking hole (2). The plurality of arc-shaped pawls (102) are fixedly connected to one side of the fixing ring (101) with gaps. The lower plate half on the same side of the fixing ring (101) and the pawls (102) extends outward horizontally to form an arc-shaped support plate (103). A limiting hole (3) is formed between the inner wall of the arc-shaped support plate (103) and the end of the pawl (102). The groove (4) is the inner wall of the arc-shaped support plate (103).
5. A pipe gripping device according to claim 4, wherein: The other end of the fixed ring (101) away from the pawl (102) is also fixedly connected to a conical guide ring (5), which expands to the side away from the pawl (102).
6. A pipe gripping device according to claim 5, wherein: A bending groove (8) is provided at the connection between the pawl (102) and the fixing ring (101).
7. A pipe gripping assembly according to any one of claims 1 to 3, wherein: The elastic limiting member (6) is a spring piece that is fixedly installed inside the pipe body (1).
8. A pipe gripping device according to claim 7, wherein: The elastic limiting member (6) can be a mechanism that uses a torsion spring, a spring in conjunction with a limiting plate or a limiting block to change the docking hole (2) into a limiting hole (3).