Protective device of photosensitive resin recovery pipe

Abstract

The utility model relates to the technical field of photosensitive resin recovery, and particularly discloses a protective device of a photosensitive resin recovery pipe, the front end of the recovery pipe is provided with an adsorption head, the outer side of the adsorption head is sleeved with a sliding sleeve, the two ends of the sliding sleeve are connected with a holding sleeve and a blocking cover respectively, the side wall of the blocking cover is connected with a rotating shaft, and the rotating shaft is connected with the adsorption head. The side wall of the sliding sleeve is connected with a shaft sleeve, the shaft sleeve is arranged on the outer side of a rotating shaft in a sleeving mode, the rotating shaft and the shaft sleeve are connected through a torsional spring, the recycling pipe is sleeved with the holding sleeve, the side wall of the recycling pipe is provided with a first limiting ring and a second limiting ring, and the holding sleeve is located between the first limiting ring and the second limiting ring. After the blocking cover is closed, the adsorption head can be hidden in the sliding sleeve, the adsorption head is protected, the dust prevention and damage prevention effects are achieved, the blocking cover is attached to one side of the adsorption head after being opened, the occupied space is small, operation of the adsorption head is facilitated, and use is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of photosensitive resin recovery, in particular to a protective device for a photosensitive resin recovery pipe. Background Art

[0002] Photosensitive resin, commonly known as UV curing glue, or UV resin (glue), is mainly composed of polymer monomers and prepolymers, to which light (ultraviolet light) initiators, or photosensitizers, are added. When irradiated with ultraviolet light of a certain wavelength (250-300nm), it will immediately cause a polymerization reaction and complete the solidification conversion. Photosensitive resin is being used in the emerging industry of 3D printing.

[0003] After 3D printing, the excess photosensitive resin will be adsorbed and recovered through the recovery tube. When the recovery tube is not in use, the adsorption port is easily clogged with dust. Patent CN219600418U discloses a 3D printer photosensitive resin recovery device, which is provided with a cover device at the adsorption head. When it is opened, it is necessary to pull the slide bar 68 and fix the elastic rope 64 with the connecting ring 66, which is troublesome to use. After the cover device is opened, it occupies more space on both sides of the adsorption head, causing certain inconvenience to the use. Utility Model Content

[0004] The utility model aims at the above-mentioned deficiencies in the prior art and provides a protective device for a photosensitive resin recovery tube. After the baffle cover is closed, the adsorption head can be hidden in the sliding sleeve to protect the adsorption head and play a role in dust and damage prevention. After the baffle cover is opened, it is attached to one side of the adsorption head, which occupies a small space, facilitates the operation of the adsorption head, and is easy to use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A protective device for a photosensitive resin recovery tube, wherein an adsorption head is provided at the front end of the recovery tube, a sliding sleeve is provided on the outer side of the adsorption head, a grip sleeve and a blocking cover are respectively connected at both ends of the sliding sleeve, a rotating shaft is connected to the side wall of the blocking cover, a shaft sleeve is connected to the side wall of the sliding sleeve, the shaft sleeve is sleeved on the outer side of the rotating shaft, the rotating shaft and the shaft sleeve are connected by a torsion spring, the grip sleeve is sleeved on the outer side of the recovery tube, a first limiting ring and a second limiting ring are provided on the side wall of the recovery tube, and the grip sleeve is located between the first limiting ring and the second limiting ring.

[0007] Preferably, a sealing ring is provided at the end of the sliding sleeve, and the blocking cover cooperates with the sealing ring after being closed.

[0008] Preferably, the inner diameter of the sliding sleeve is larger than the outer diameter of the adsorption head.

[0009] Preferably, a first magnet is provided on the side wall of the first limiting ring, a second magnet is provided on the side wall of the second limiting ring, and a rear magnet cooperating with the first magnet and a front magnet cooperating with the second magnet are respectively provided at both ends of the grip sleeve.

[0010] Preferably, a gap is provided between the blocking cover and the adsorption head after the blocking cover is closed.

[0011] Preferably, the sliding distance of the grip sleeve between the first limiting ring and the second limiting ring is greater than the diameter of the blocking cover.

[0012] Preferably, the second limiting ring is located inside the sliding sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model only needs to slide the grip sleeve to realize the automatic opening and closing of the cover, which is simple and quick to use. After the cover is closed, the adsorption head can be hidden in the sliding sleeve to protect the adsorption head and play a role in dust and damage prevention. After the cover is opened, it is attached to one side of the adsorption head, which occupies a small space, facilitates the operation of the adsorption head, and is easy to use.

[0015] 2. The utility model ensures the firmness of the sliding sleeve after opening and closing through the adsorption between the magnets, ensuring the reliability and stability during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model after being closed;

[0017] Figure 2 It is a schematic diagram of the structure of the utility model after opening;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 for Figure 3 AA section view;

[0020] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at B;

[0021] Figure 6 for Figure 4 A schematic diagram of the enlarged structure at C;

[0022] In the figure: 1-recovery tube; 2-sliding sleeve; 201-grip sleeve; 202-blocking cover; 203-rear magnet; 204-sealing ring; 205-rotating shaft; 206-torsion spring; 207-sleeve; 208-front magnet; 3-adsorption head; 4-first limiting ring; 401-first magnet; 5-second limiting ring; 501-second magnet. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-4 As shown, a protective device for a photosensitive resin recovery tube 1, the front end of the recovery tube 1 is provided with an adsorption head 3, the outer side of the adsorption head 3 is covered with a sliding sleeve 2, the diameter of the sliding sleeve 2 is larger than the diameter of the adsorption head 3, and the two ends of the sliding sleeve 2 are respectively connected with a grip sleeve 201 and a blocking cover 202, as shown in FIG. Figure 5 As shown, a rotating shaft 205 is connected to the side wall of the blocking cover 202, and a shaft sleeve 207 is connected to the side wall of the sliding sleeve 2. The shaft sleeve 207 is sleeved on the outside of the rotating shaft 205. The rotating shaft 205 and the shaft sleeve 207 are connected by a torsion spring 206. Under the action of the torsion spring 206, the blocking cover 202 covers the end of the sliding sleeve 2, and the grip sleeve 201 is sleeved on the outside of the recovery tube 1 and slides between the recovery tube 1. A first limiting ring 4 and a second limiting ring 5 are provided on the side wall of the recovery tube 1. The grip sleeve 201 is located between the first limiting ring 4 and the second limiting ring 5, and the second limiting ring 5 is located in the sliding sleeve 2.

[0025] The sliding distance of the grip sleeve 201 between the first limiting ring 4 and the second limiting ring 5 is greater than the diameter of the blocking cover 202 , that is, when the sliding sleeve 2 opens the blocking cover 202 , the blocking cover 202 can be completely removed from the front end of the adsorption head 3 .

[0026] like Figure 5 As shown, a sealing ring 204 is provided at the end of the sliding sleeve 2, and the blocking cover 202 cooperates with the sealing ring 204 after being closed. The sealing ring 204 is made of rubber material, and a gap is provided between the blocking cover 202 and the adsorption head 3 after being closed.

[0027] like Figure 3 , 6 As shown, a first magnet 401 is provided on the side wall of the first limiting ring 4, a second magnet 501 is provided on the side wall of the second limiting ring 5, and a rear magnet 203 cooperating with the first magnet 401 and a front magnet 208 cooperating with the second magnet 501 are respectively provided at both ends of the grip sleeve 201 to ensure the stability of the position of the sliding sleeve 2 after opening and closing.

[0028] When it is necessary to open the baffle cover 202, pinch the grip sleeve 201 and slide it backwards so that the first magnet 401 and the rear magnet 203 are adsorbed, and at the same time the adsorption head 3 pushes the baffle cover 202 open, the baffle cover 202 rotates and is located on one side of the adsorption head 3. When closing the baffle cover 202, slide the grip sleeve 201 forward, the second magnet 501 and the front magnet 208 are adsorbed, the baffle cover 202 is closed under the action of the torsion spring 206, the adsorption head 3 is retracted into the sliding sleeve 2, the baffle cover 202 covers the front end of the sliding sleeve 2 and blocks the adsorption head 3.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A protective device for a photosensitive resin recovery pipe, wherein an adsorption head is provided at the front end of the recovery pipe, characterized in that: The outer side of the adsorption head is covered with a sliding sleeve, and the two ends of the sliding sleeve are respectively connected to a grip sleeve and a baffle cover, the side wall of the baffle cover is connected to a rotating shaft, and the side wall of the sliding sleeve is connected to a shaft sleeve, the shaft sleeve is covered on the outer side of the rotating shaft, and the rotating shaft and the shaft sleeve are connected by a torsion spring, the grip sleeve is covered on the outer side of the recovery tube, and a first limiting ring and a second limiting ring are provided on the side wall of the recovery tube, and the grip sleeve is located between the first limiting ring and the second limiting ring.

2. The protective device for a photosensitive resin recovery pipe according to claim 1, characterized in that: A sealing ring is arranged at the end of the sliding sleeve, and the blocking cover cooperates with the sealing ring after being closed.

3. The protective device for a photosensitive resin recovery pipe according to claim 1, characterized in that: The inner diameter of the sliding sleeve is greater than the outer diameter of the adsorption head.

4. The protective device for a photosensitive resin recovery pipe according to claim 1, characterized in that: A first magnet is disposed on the side wall of the first limiting ring, a second magnet is disposed on the side wall of the second limiting ring, and a rear magnet cooperating with the first magnet and a front magnet cooperating with the second magnet are respectively disposed at both ends of the grip sleeve.

5. The protective device for a photosensitive resin recovery pipe according to claim 1, characterized in that: When the blocking cover is closed, a gap is provided between the blocking cover and the adsorption head.

6. The protective device for a photosensitive resin recovery pipe according to claim 1, characterized in that: The sliding distance of the grip sleeve between the first limiting ring and the second limiting ring is greater than the diameter of the blocking cover.

7. The protective device for a photosensitive resin recovery pipe according to claim 1, characterized in that: The second limiting ring is located in the sliding sleeve.

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