EPS charging gun structure convenient to disassemble and assemble

Abstract

The EPS feeding gun structure convenient to disassemble and assemble comprises a disassembling and assembling assembly, the disassembling and assembling assembly comprises a rear gun barrel, an installation ring, a connecting sleeve, a front gun barrel, a limiting sliding block, an inserting groove, a limiting clamping groove, a through hole and a limiting inserting hole, the top of the outer side wall of the rear gun barrel is fixedly connected with the installation ring, and the outer side wall of the installation ring is slidably connected with the connecting sleeve. A front gun barrel is welded to the center of the top of the connecting sleeve. According to the feeding gun, the front gun barrel and the rear gun barrel can be separated by pulling the pull button and rotating the connecting sleeve, so that the structure of the feeding gun is simpler and clearer, unnecessary parts and complex connection are reduced, special tools are not needed in the disassembly and assembly process, the disassembly and assembly process can be completed only through simple operation, the disassembly and assembly efficiency is greatly improved, and the maintenance difficulty and the downtime are reduced; and the convenient disassembly and assembly also reduce the part damage and replacement frequency caused by improper disassembly and assembly, and further reduce the production cost, thereby not only improving the production efficiency, but also ensuring the stability of the product quality.

Description

Technical field:

[0002] The utility model relates to the technical field of EPS feeding guns, in particular to an EPS feeding gun structure which is easy to disassemble and assemble. Background technology:

[0004] The EPS dosing gun is a key device specially used in EPS (polystyrene foam) molding machines. It plays an important role in accurately and efficiently adding raw materials to the mold during the EPS molding process. EPS dosing guns are widely used in home appliances, medical treatment, automobiles, electronics, daily necessities, handicrafts, tableware, mobile phones and other fields. The production of EPS products in these fields cannot be separated from the support of EPS dosing guns. Through the efficient and precise feeding of EPS dosing guns, EPS products of various shapes and specifications can be produced to meet the diverse needs of the market. In order to ensure the normal operation of the EPS dosing gun and extend its service life, regular maintenance and maintenance are required. Therefore, the EPS dosing gun needs to be disassembled.

[0005] The existing EPS molding machine feeding gun has a complex structure and is inconvenient to disassemble and assemble, resulting in low efficiency in equipment maintenance, cleaning and replacement of parts, increasing production costs. At the same time, the complex structure is also prone to blockage, sticking to the wall and other problems during the feeding process, affecting production efficiency and product quality. Therefore, an EPS feeding gun structure that is easy to disassemble and assemble is proposed. Utility model content:

[0007] The utility model aims to provide an EPS feeding gun structure which is easy to disassemble and assemble, so as to solve one of the problems raised in the above-mentioned background technology.

[0008] The utility model is implemented by the following technical scheme: an EPS charging gun structure that is easy to disassemble and assemble, including a disassembly assembly component, the disassembly assembly component includes a rear barrel, a mounting ring, a connecting sleeve, a front barrel, a limit slider, a slot, a limit card slot, a through hole, a limit plug rod and a limit plug hole, the top of the outer wall of the rear barrel is fixedly connected with a mounting ring, the outer wall of the mounting ring is slidably connected with a connecting sleeve, the front barrel is welded at the top center of the connecting sleeve, the front and rear of the inner wall of the connecting sleeve are fixedly connected with the limit slider, the mounting ring The front and rear parts of the outer wall are provided with slots, the outer wall of the limit slider is slidably connected to the inner wall of the slot, and the bottom of the two inner walls of the slots are provided with a limit slot, the outer wall of the limit slider is slidably connected to the inner wall of the limit slot, a through hole is provided on one side of the outer wall of the connecting sleeve, and the inner wall of the through hole is slidably connected to the limit plug rod, and limited plug holes are provided on both sides of the outer wall of the mounting ring, and the end of the outer wall of the limit plug rod close to the through hole is slidably connected to the inner wall of the limit plug hole.

[0009] As a further preferred embodiment of the present technical solution: a mounting tube is welded to the outer side of the connecting sleeve near the outer side of the through hole, a limiting slip ring is fixedly connected to the middle part of the outer side wall of the limiting plug rod, the outer side wall of the limiting slip ring is slidably connected to the inner side wall of the mounting tube, an annular cover is fixedly connected to the side of the mounting tube away from the connecting sleeve, a side of the outer side wall of the limiting plug rod away from the limiting socket is slidably connected to the inner side wall of the annular cover, and a pull button is fixedly connected to the end of the limiting plug rod away from the limiting socket.

[0010] As a further preferred embodiment of the present technical solution: a return spring is sleeved on a side of the outer wall of the limiting plug rod close to the annular cover, and two ends of the return spring are respectively fitted and connected to the adjacent side of the limiting slip ring and the annular cover.

[0011] As a further preferred embodiment of the present technical solution: alignment arrows are provided at the front and rear of the lower surface of the mounting ring, and alignment marks are provided at the middle of the lower surfaces of the two limit sliding blocks.

[0012] As a further preferred embodiment of the present technical solution: a sealing ring is fixedly connected to the middle of the upper surface of the mounting ring, an annular sealing groove is opened on the outer side of the inner top wall of the connecting sleeve, and the outer side wall of the sealing ring is fittedly connected to the inner side wall of the annular sealing groove.

[0013] As a further preferred embodiment of the technical solution: a connecting pipe is connected to the middle portion of one side of the outer side wall of the front barrel.

[0014] As a further preferred embodiment of the technical solution: an external threaded connection tube is fixedly connected to the top of the outer side wall of the front gun barrel, and a gun head connection rod is threadedly connected to the outer side wall of the external threaded connection tube.

[0015] As a further preferred embodiment of the present technical solution: a rear cover is threadedly connected to the bottom of the inner wall of the rear barrel, an air inlet and blowing port is connected to the front of the outer wall of the front barrel, and a gun push port is connected to the upper part of the outer wall of the front barrel near the mounting tube.

[0016] Advantages of the utility model:

[0017] 1. The utility model can separate the front barrel and the rear barrel by pulling the pull button and rotating the connecting sleeve, so that the structure of the charging gun is more concise and clear, and unnecessary parts and complicated connections are reduced. The disassembly and assembly process does not require special tools and can be completed with simple operations, which greatly improves the disassembly and assembly efficiency and reduces the maintenance difficulty and downtime.

[0018] 2. The convenient disassembly and assembly of the utility model also reduces the damage and replacement frequency of components caused by improper disassembly and assembly, further reducing production costs, which not only improves production efficiency but also ensures the stability of product quality. Description of the drawings:

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of one viewing angle of the utility model;

[0022] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the mounting ring and the connecting sleeve of the utility model;

[0024] Figure 4 It is a schematic diagram of the limit rod and limit hole structure of the utility model.

[0025] In the figure: 1. disassembly and assembly components; 11. rear barrel; 12. mounting ring; 13. connecting sleeve; 14. front barrel; 15. limit slider; 16. slot; 17. limit card slot; 18. through hole; 19. limit plug rod; 20. limit plug hole; 21. mounting tube; 22. limit sliding ring; 23. annular cover; 24. pull button; 25. reset spring; 26. alignment arrow; 27. alignment mark; 28. sealing ring; 29. ​​annular sealing groove; 30. connecting pipe; 31. external thread connecting tube; 32. rear cover; 33. gun head connecting rod; 34. air inlet and blowing port; 35. push gun muzzle. Specific implementation method:

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] See also Figure 1-4The utility model provides a technical solution: an EPS charging gun structure that is easy to disassemble and assemble, including a disassembly assembly 1, the disassembly assembly 1 includes a rear barrel 11, a mounting ring 12, a connecting sleeve 13, a front barrel 14, a limiting slide block 15, a slot 16, a limiting card slot 17, a through hole 18, a limiting plug rod 19 and a limiting plug hole 20, the top of the outer wall of the rear barrel 11 is fixedly connected with the mounting ring 12, the outer wall of the mounting ring 12 is slidably connected with the connecting sleeve 13, the front barrel 14 is welded at the top center of the connecting sleeve 13, the front and rear of the inner wall of the connecting sleeve 13 are fixedly connected with the limiting slide block 15, the front and rear of the outer wall of the mounting ring 12 are A slot 16 is provided, and the outer side wall of the limit slider 15 is slidably connected to the inner side wall of the slot 16. A limit slot 17 is provided at the bottom of the inner walls of the two slots 16 that are away from each other. The outer side wall of the limit slider 15 is slidably connected to the inner side wall of the limit slot 17. A through hole 18 is provided on one side of the outer side wall of the connecting sleeve 13, and the inner side wall of the through hole 18 is slidably connected to a limit plug rod 19. Limit plug holes 20 are provided on both sides of the outer side wall of the mounting ring 12. One end of the outer side wall of the limit plug rod 19 close to the through hole 18 is slidably connected to the inner side wall of the limit plug hole 20, and the limit slider 15 slides into the limit slot 17, thereby limiting the connecting sleeve 13.

[0030] In this embodiment, specifically: a mounting tube 21 is welded to the outer side of the connecting sleeve 13 near the outer side of the through hole 18, a limiting slip ring 22 is fixedly connected to the middle part of the outer side wall of the limiting plug rod 19, the outer side wall of the limiting slip ring 22 is slidably connected to the inner side wall of the mounting tube 21, a ring cover 23 is fixedly connected to the side of the mounting tube 21 away from the connecting sleeve 13, a ring cover 23 is slidably connected to the inner side wall of the ring cover 23 on the side of the outer side wall of the limiting plug rod 19 away from the limiting socket 20, a pull button 24 is fixedly connected to the end of the limiting plug rod 19 away from the limiting socket 20, and the pull button 24 is pulled to drive the limiting plug rod 19 to move, thereby facilitating the limiting plug rod 19 to be pulled out of the limiting socket 20, thereby releasing the limit on the connecting sleeve 13.

[0031] In this embodiment, specifically: a reset spring 25 is sleeved on the side of the outer wall of the limit rod 19 close to the annular cover 23, and the two ends of the reset spring 25 are respectively connected to the adjacent sides of the limit slip ring 22 and the annular cover 23. The reset thrust of the reset spring 25 facilitates the movement of the limit slip ring 22, thereby driving the limit rod 19 to reset.

[0032] In this embodiment, specifically: alignment arrows 26 are provided at the front and rear of the lower surface of the mounting ring 12, and alignment marks 27 are provided at the middle of the lower surfaces of the two limit sliders 15. By cooperating with the alignment arrows 26 and the alignment marks 27, it is convenient to align the limit slider 15 and the slot 16.

[0033] In this embodiment, specifically: a sealing ring 28 is fixedly connected to the middle part of the upper surface of the mounting ring 12, an annular sealing groove 29 is opened on the outer side of the inner top wall of the connecting sleeve 13, the outer wall of the sealing ring 28 is fittedly connected to the inner wall of the annular sealing groove 29, and the sealing ring 28 is inserted into the annular sealing groove 29 and fits tightly, thereby increasing the sealing performance.

[0034] In this embodiment, specifically: a connecting pipe 30 is connected to the middle of one side of the outer wall of the front barrel 14, and a screw feeder can be connected through the connecting pipe 30 on the front barrel 14. The screw feeder can effectively transport the EPS raw material into the gun body to prevent blockage and wall sticking.

[0035] In this embodiment, specifically: a connecting pipe 30 is connected to the middle of one side of the outer wall of the front gun barrel 14, and a gun head connecting rod 33 is threadedly connected to the outer wall of the external threaded connecting tube 31, and the gun head connecting rod 33 is used to connect the gun head.

[0036] In the present embodiment, specifically: a rear cover 32 is threadedly connected to the bottom of the inner wall of the rear barrel 11, an air inlet and material blowing port 34 is connected to the front of the outer wall of the front barrel 14, and a gun pushing port 35 is connected to the upper portion of the outer wall of the front barrel 14 near the mounting tube 21. The rear cover 32 is used to seal the rear barrel 11, and the interior of the rear barrel 11 can be easily cleaned by removing the rear cover 32.

[0037] Working principle or structural principle, when in use, when it is necessary to disassemble the front barrel 14, first hold the pull button 24 and pull it outward to disengage the limit rod 19 from the limit hole 20. As the limit rod 19 moves, the return spring 25 is compressed, and the limit sliding ring 22 slides in the mounting tube 21. When the limit rod 19 is completely removed from the limit hole 20, the connecting sleeve 13 is no longer constrained by the limit rod 19. At this time, the connecting sleeve 13 can be rotated along the limit slot 17 in the mounting ring 12 to make the limit slider 15 slide into the slot 16, and then slide the connecting sleeve 13 upward to disengage the limit slider 15 from the limit slot 16, thereby removing the connecting sleeve 13 from the mounting ring 12 to achieve the separation of the front barrel 14 and the rear barrel 11; during installation, first make sure Ensure that the alignment arrow 26 is aligned with the alignment mark 27 to correctly install the connecting sleeve 13, align the limit slider 15 of the connecting sleeve 13 with the slot 16 of the mounting ring 12, and slide the connecting sleeve 13 along the slot 16 until the limit slider 15 slides into the bottom of the inner wall of the slot 16. At the same time, as the connecting sleeve 13 is pushed forward, the sealing ring 28 will fit tightly in the annular sealing groove 29 to ensure the sealing of the connection. After the limit slider 15 slides into the bottom of the inner wall of the slot 16, rotate the connecting sleeve 13 to make the limit slider 15 slide into the limit slot 17. When the limit slider 15 completely enters the limit slot 17, release the pull button 24. Under the elastic force of the reset spring 25, the limit plug rod 19 will automatically insert into the limit plug hole 20 to complete the final fixation of the connecting sleeve 13 and the mounting ring 12.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An EPS feeding gun structure that is easy to disassemble and assemble, characterized in that: include A disassembly assembly (1), the disassembly assembly (1) comprising a rear barrel (11), a mounting ring (12), a connecting sleeve (13), a front barrel (14), a limiting slide block (15), a slot (16), a limiting slot (17), a through hole (18), a limiting plug rod (19) and a limiting plug hole (20), the top of the outer wall of the rear barrel (11) being fixedly connected to the mounting ring (12), the outer wall of the mounting ring (12) being slidably connected to the connecting sleeve (13), the front barrel (14) being welded to the top center of the connecting sleeve (13), the front and rear of the inner wall of the connecting sleeve (13) being fixedly connected to the limiting slide block (15), the front and rear of the outer wall of the mounting ring (12) being slidably connected to ... slidably connected to the connecting sleeve (13), the front and rear of the inner wall of the connecting sleeve A slot (16) is provided at the rear, the outer wall of the limit slider (15) is slidably connected to the inner wall of the slot (16), a limit slot (17) is provided at the bottom of the inner walls of the two slots (16) which are away from each other, the outer wall of the limit slider (15) is slidably connected to the inner wall of the limit slot (17), a through hole (18) is provided on one side of the outer wall of the connecting sleeve (13), the inner wall of the through hole (18) is slidably connected to a limit plug rod (19), and both sides of the outer wall of the mounting ring (12) are provided with limit plug holes (20), and the end of the outer wall of the limit plug rod (19) close to the through hole (18) is slidably connected to the inner wall of the limit plug hole (20).

2. The EPS feeding gun structure that is easy to disassemble and assemble according to claim 1 is characterized in that: A mounting tube (21) is welded to the outer side of the outer wall of the connecting sleeve (13) near the outer side of the through hole (18); a limiting slip ring (22) is fixedly connected to the middle part of the outer wall of the limiting plug rod (19); the outer wall of the limiting slip ring (22) is slidably connected to the inner side wall of the mounting tube (21); a side of the mounting tube (21) away from the connecting sleeve (13) is fixedly connected to an annular cover (23); a side of the outer wall of the limiting plug rod (19) away from the limiting plug hole (20) is slidably connected to the inner side wall of the annular cover (23); and a pull button (24) is fixedly connected to one end of the limiting plug rod (19) away from the limiting plug hole (20).

3. The EPS feeding gun structure that is easy to disassemble and assemble according to claim 2 is characterized in that: A return spring (25) is sleeved on the side of the outer wall of the limiting plug rod (19) close to the annular cover (23), and two ends of the return spring (25) are respectively fitted and connected to the adjacent sides of the limiting slip ring (22) and the annular cover (23).

4. The EPS feeding gun structure that is easy to disassemble and assemble according to claim 1 is characterized in that: Alignment arrows (26) are provided at the front and rear of the lower surface of the mounting ring (12), and alignment marks (27) are provided at the middle of the lower surfaces of the two limit slide blocks (15).

5. The EPS feeding gun structure that is easy to disassemble and assemble according to claim 1 is characterized in that: A sealing ring (28) is fixedly connected to the middle of the upper surface of the mounting ring (12), an annular sealing groove (29) is provided on the outer side of the inner top wall of the connecting sleeve (13), and the outer side wall of the sealing ring (28) is closely connected to the inner side wall of the annular sealing groove (29).

6. The EPS feeding gun structure that is easy to disassemble and assemble according to claim 1 is characterized in that: A connecting pipe (30) is connected to the middle portion of one side of the outer side wall of the front gun barrel (14).

7. The EPS feeding gun structure that is easy to disassemble and assemble according to claim 1 is characterized in that: An external threaded connection tube (31) is provided at the top of the outer side wall of the front gun barrel (14), and a gun head connection rod (33) is threadedly connected to the outer side wall of the external threaded connection tube (31).

8. The EPS feeding gun structure that is easy to assemble and disassemble according to claim 1 is characterized in that: The bottom of the inner wall of the rear gun barrel (11) is threadedly connected to a rear cover (32), the front portion of the outer wall of the front gun barrel (14) is connected to an air inlet and material blowing port (34), and the upper portion of the outer wall of the front gun barrel (14) near the mounting tube (21) is connected to a gun push port (35).

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