Core rod clamping device

Abstract

The core rod clamping device comprises a support and a core rod, an operation groove is formed in the middle of the outer surface of the front end of the support, an insertion hole is formed in the upper portion of the outer surface of the front end of the support, a limiting ring is fixedly installed at one end of the insertion hole, and a rubber ring is fixedly installed on the outer surface of one side of the limiting ring. Clamping holes are formed in one ends of the outer surfaces of the upper end and the lower end of the core rod, clamping assemblies are arranged on the upper side and the lower side of each inserting hole, each clamping assembly comprises a first pin hole, a pin rod, a pull ring, a pull block, a limiting block, a compression spring and a second pin hole, and through holes are formed in the middles of the upper end and the lower end of each inserting hole. According to the core rod clamping device, through the arrangement of the clamping assembly, the core rod is conveniently limited in a clamping mode, the core rod is convenient to assemble and disassemble, through the arrangement of the rubber ring, clamping between the movable inserting rod and the clamping hole is more stable, and the installation stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing tobacco production accessories, in particular to a core rod clamping device. Background Art

[0002] The core rod plays a relatively important role in tobacco production. The tobacco tube needs to be put on the hollow core rod, and then the tobacco is fed through the feeding rod to achieve the filling of tobacco.

[0003] However, in the prior art, the core rod is generally fixed by screw extrusion. When tobacco is fed, the core rod is affected by the resistance between the tobacco and the inner wall of the core rod, which may cause the core rod to be unstable and easily fall off.

[0004] To this end, we propose a mandrel clamping device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a core rod clamping device, which is convenient for fixing and clamping the core rod by clamping, improves the convenience of assembling and disassembling the core rod, and can effectively solve the problems in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a core rod clamping device, including a support and a core rod, an operating groove is opened in the middle of the outer surface of the front end of the support, a plug-in hole is opened in the upper part of the outer surface of the front end of the support, a limiting ring is fixedly installed on one end of the plug-in hole, a rubber ring is fixedly installed on the outer surface of one side of the limiting ring, a clamping hole is opened on one end of the outer surface of the upper and lower ends of the core rod, and clamping components are arranged on the upper and lower sides of the plug-in hole, and the clamping component includes a first pin hole, a pin rod, a pull ring, a pull block, a limiting block, a compression spring and a second pin hole, through holes are opened in the middle of the upper and lower ends of the plug-in hole, and an installation cavity is opened in the middle of the through hole, and a movable plug rod passes through the through hole and the installation cavity.

[0009] Preferably, the limit block and the compression spring are both located inside the installation cavity, the number of the compression springs in a group of the clamping assembly is two groups, the limit block is fixedly mounted on the outer wall of one end of the movable plug rod, and the two groups of compression springs are fixedly mounted on the left and right ends of the outer surface of one side of the limit block.

[0010] Preferably, an outer surface of one end of the compression spring is fixedly connected to one end of the installation cavity, and an outer surface of one side of the limit block is elastically connected to one end of the installation cavity through the compression spring.

[0011] Preferably, the pull block is fixedly mounted on the outer surface of one end of the movable plug rod, the second pin hole and the first pin hole are both opened on the upper part of the outer surface of one side of the movable plug rod, and the first pin hole is located above the second pin hole.

[0012] Preferably, the pull ring is fixedly mounted on one end of the outer surface of the upper end of the pin rod, the pin rod is plugged into the second pin hole and the first pin hole, and the outer wall of the movable plug rod is slidably connected to the through hole.

[0013] Preferably, the outer wall of one end of the core rod is plugged into the plug hole, and the outer wall of the end of the movable plug rod away from the pull block is clipped into the clip hole.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a mandrel clamping device, which has the following beneficial effects:

[0016] 1. The mandrel clamping device, through the provision of a clamping assembly, is convenient for limiting the position of the mandrel by means of clamping, so that the mandrel is easy to assemble and disassemble.

[0017] 2. The core rod clamping device, through the provision of a rubber ring, makes the clamping connection between the movable plug rod and the clamping hole more stable, thereby improving the stability of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a schematic diagram of the overall structure of a core rod clamping device.

[0019] Figure 2 The utility model is a schematic structural diagram of a core rod in a core rod clamping device.

[0020] Figure 3 The utility model is a schematic structural diagram of a support in a core rod clamping device.

[0021] Figure 4 The utility model is a structural schematic diagram of a clamping assembly in a core rod clamping device.

[0022] In the figure: 1. support; 2. operating groove; 3. snap-on assembly; 4. core rod; 5. snap-on hole; 6. plug-in hole; 7. limit ring; 8. rubber ring; 9. through hole; 10. movable plug rod; 11. first pin hole; 12. pin rod; 13. pull ring; 14. pull block; 15. limit block; 16. compression spring; 17. second pin hole. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] This embodiment is a core rod clamping device.

[0025] like Figure 1-4 As shown, it includes a support 1 and a core rod 4, an operating groove 2 is opened in the middle of the outer surface of the front end of the support 1, a plug-in hole 6 is opened in the upper part of the outer surface of the front end of the support 1, a limit ring 7 is fixedly installed at one end of the plug-in hole 6, a rubber ring 8 is fixedly installed on the outer surface of one side of the limit ring 7, a clamping hole 5 is opened at one end of the upper and lower ends of the outer surface of the core rod 4, and a clamping assembly 3 is arranged on the upper and lower sides of the plug-in hole 6. The clamping assembly 3 includes a first pin hole 11, a pin rod 12, a pull ring 13, a pull block 14, a limit block 15, a compression spring 16 and a second pin hole 17, through holes 9 are opened in the middle of the upper and lower ends of the plug-in hole 6, an installation cavity is opened in the middle of the through hole 9, and a movable plug rod 10 passes through the through hole 9 and the installation cavity.

[0026] The limit block 15 and the compression spring 16 are both located inside the installation cavity. There are two groups of compression springs 16 in a set of clamping components 3. The limit block 15 is fixedly installed on the outer wall of one end of the movable plug rod 10, and the two groups of compression springs 16 are fixedly installed on the left and right ends of the outer surface of one side of the limit block 15; the outer surface of one end of the compression spring 16 is fixedly connected to one end of the installation cavity, and the outer surface of one side of the limit block 15 is elastically connected to one end of the installation cavity through the compression spring 16; the pull block 14 is fixedly installed on the outer wall of one end of the movable plug rod 10 The second pin hole 17 and the first pin hole 11 are both opened on the upper part of the outer surface of one side of the movable plug rod 10, and the first pin hole 11 is located at the upper part of the second pin hole 17; the pull ring 13 is fixedly installed on one end of the outer surface of the upper end of the pin rod 12, the pin rod 12 and the second pin hole 17 and the first pin hole 11 are all plug-in connected, and the outer wall of the movable plug rod 10 and the through hole 9 are slidably connected; the outer wall of one end of the core rod 4 and the plug-in hole 6 are plug-in connected, and the outer wall of the end of the movable plug rod 10 away from the pull block 14 and the snap-in hole 5 are snap-connected.

[0027] It should be noted that the utility model is a core rod clamping device. The core rod 4 recorded in the text belongs to the prior art, which can be effectively known to the technicians in the relevant technical field, and the details are not repeated here. When installing the core rod 4, by pulling the pull block 14, the pull block 14 drives the movable plug rod 10 to slide along the through hole 9, and the movable plug rod 10 drives the limit block 15 to squeeze the compression spring 16 inside the mounting cavity of the support 1, and then the pin rod 12 is inserted into the second pin hole 17 for limiting. At this time, the compression spring 16 is in a press-fit state, and then one end of the core rod 4 is inserted into the plug hole 6, and the core rod 4 is limited by the limit ring 7. Through the provision of the rubber ring 8, the rubber ring 8 is squeezed between the core rod 4 and the limiting ring 7, and then the pin rod 12 is pulled out, and the pin rod 12 is separated from the second pin hole 17. Due to the reset effect of the compression spring 16, the lower end of the movable plug rod 10 is inserted into the clamping hole 5 to complete the limiting of the core rod 4; then the pin rod 12 is inserted into the first pin hole 11; when the core rod 4 is disassembled, the pin rod 12 in the first pin hole 11 is pulled out, and the pull block 14 is pulled to separate the movable plug rod 10 from the clamping hole 5, and then the pin rod 12 is inserted into the second pin hole 17 for limiting, and the core rod 4 can be pulled out from the plug hole 6, so that the core rod 4 is easy to assemble and disassemble.

[0028] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A mandrel clamping device, comprising a support (1) and a mandrel (4), characterized in that: An operating groove (2) is provided in the middle of the front end outer surface of the support (1), a plug-in hole (6) is provided in the upper part of the front end outer surface of the support (1), a limit ring (7) is fixedly installed at one end of the plug-in hole (6), a rubber ring (8) is fixedly installed on the outer surface of one side of the limit ring (7), a clamping hole (5) is provided at one end of the upper and lower ends of the outer surface of the core rod (4), and a clamping assembly (3) is provided on the upper and lower sides of the plug-in hole (6), and the clamping assembly (3) includes a first pin hole (11), a pin rod (12), a pull ring (13), a pull block (14), a limit block (15), a compression spring (16) and a second pin hole (17), a through hole (9) is provided in the middle of the upper and lower ends of the plug-in hole (6), and a mounting cavity is provided in the middle of the through hole (9), and a movable plug rod (10) passes through the through hole (9) and the mounting cavity.

2. A mandrel clamping device according to claim 1, characterized in that: The limit block (15) and the compression spring (16) are both located inside the installation cavity. The number of the compression springs (16) in a set of the clamping assembly (3) is two groups. The limit block (15) is fixedly mounted on the outer wall of one end of the movable plug rod (10), and the two groups of compression springs (16) are fixedly mounted on the left and right ends of the outer surface of one side of the limit block (15).

3. A mandrel clamping device according to claim 2, characterized in that: The outer surface of one end of the compression spring (16) is fixedly connected to one end of the installation cavity, and the outer surface of one side of the limit block (15) is elastically connected to one end of the installation cavity through the compression spring (16).

4. A mandrel clamping device according to claim 3, characterized in that: The pulling block (14) is fixedly mounted on the outer surface of one end of the movable plug rod (10); the second pin hole (17) and the first pin hole (11) are both opened on the upper part of the outer surface of one side of the movable plug rod (10); and the first pin hole (11) is located on the upper part of the second pin hole (17).

5. A mandrel clamping device according to claim 4, characterized in that: The pull ring (13) is fixedly mounted on one end of the outer surface of the upper end of the pin rod (12); the pin rod (12) is plugged into the second pin hole (17) and the first pin hole (11); and the outer wall of the movable plug rod (10) is slidably connected to the through hole (9).

6. A mandrel clamping device according to claim 5, characterized in that: The outer wall of one end of the core rod (4) is plugged into the plug hole (6), and the outer wall of the end of the movable plug rod (10) away from the pull block (14) is snap-fitted into the snap-fit ​​hole (5).

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