CN220146720U - Water cooling system of 3D printing wire extruder - Google Patents

Abstract

The utility model discloses a water cooling system of a 3D printing wire extruder, which comprises a throat pipe, wherein a spray head is arranged at the right end of the throat pipe, and a water cooling assembly which is detachably arranged on a pipe body of the throat pipe, wherein the water cooling assembly comprises a lower half pipe and an upper half pipe which are rotatably connected and distributed from bottom to top, the lower end of the lower half pipe is communicated with a water inlet pipe, and the upper end of the upper half pipe is communicated with a water outlet pipe. According to the utility model, the lower half pipe and the upper half pipe which are arranged in a vertical rotating way can wrap the throat pipe and form a water flow channel in the two pipe bodies, and water is discharged from the upper part of water inlet from the lower part to cool the throat pipe; under the cooperation of structures such as curved lever, curved groove, locking Qu Huang, spacing spring, stopper, be convenient for with the second half pipe position fixation of the first half pipe of merging to further consolidate the concatenation between the two, easy dismounting to water-cooling component, the radiating effect is good, has reduced staff's work load.

Description

Water cooling system of 3D printing wire extruder

Technical Field

The utility model relates to the technical field of 3D printing wires, in particular to a water cooling system of a 3D printing wire extruder.

Background

The 3d printing technology can be used in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, and many other fields. Often used in the field of mold manufacturing, industrial design, etc. for manufacturing models or for direct manufacturing of some products, means that this technology is becoming popular.

When the existing 3D printing wire extrusion device works, as the forefront end of the spray head is provided with the heating device, plastic is melted into colloid, the rear plastic is pushed forward continuously, the melted fluid plastic is extruded from the spray nozzle, the throat is connected with the spray nozzle and is a channel for conveying consumable materials, the diameter of the throat is larger than that of the consumable materials, so that gaps are reserved between the throat and the plastic, and when the front end melted plastic is extruded, the front end melted plastic can be extruded from the spray nozzle and can flow back from the gaps between the plastic and the throat, but if the backflow distance is slightly long, the friction force between the plastic and the throat becomes large, the forward and backward movement cannot be achieved, plugs are easily caused, and in order to prevent the occurrence of the matters, the throat is generally cooled, but the existing cooling structure is generally cooled through cooling matching of a cooling ring and smearing paste, the efficiency is too low, and the workload of workers is required.

For this reason, we propose a water cooling system of a 3D printing wire extruder to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the problem of complicated cooling operation of a throat pipe in the background art, and provides a water cooling system of a 3D printing wire extruder.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a 3D prints wire extruder water cooling system, includes the choke, the right-hand member of choke is provided with the shower nozzle, still includes the water-cooling subassembly that sets up can be dismantled at the pipe shaft of choke, water-cooling subassembly is including from lower supreme lower half pipe and the last half pipe of rotating connection distribution down, the lower extreme intercommunication of lower half pipe has the inlet tube, the upper end intercommunication of last half pipe has the outlet pipe, the left end of last half pipe and lower half pipe is connecting block, lower connecting block respectively fixedly connected with, the spout has been seted up on the connecting block, spout sliding connection has the bent lever, fixedly connected with locking bent spring between bent lever and the spout, set up the curved groove with bent lever grafting complex on the connecting block down, two sliding cavities have been seted up to the symmetry on the bent lever, sliding cavity sliding connection has the stopper, fixedly connected with spacing spring between stopper and the sliding cavity.

Preferably, sealing rings are fixedly adhered to two sides of the upper half pipe and the lower half pipe, and the sealing rings are semicircular.

Preferably, the upper half pipe is provided with a groove, and the lower half pipe is fixedly connected with a bump which is in plug-in fit with the groove.

Preferably, the shape of the groove is arc-shaped.

Preferably, the inner peripheral wall of the groove is fixedly adhered with a rubber pad, and the groove is in interference fit with the bump through the rubber pad.

Preferably, the limiting block is provided with an oblique fillet.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the lower half pipe and the upper half pipe which are arranged in a vertical rotating way can wrap the throat pipe and form a water flow channel in the two pipe bodies, and water is discharged from the upper part of water inlet from the lower part to cool the throat pipe; under the cooperation of structures such as curved lever, curved groove, locking Qu Huang, spacing spring, stopper, be convenient for with the second half pipe position fixation of the first half pipe of merging to further consolidate the concatenation between the two, easy dismounting to water-cooling component, the radiating effect is good, has reduced staff's work load.

Drawings

Fig. 1 is a schematic diagram of a water cooling system of a 3D printing wire extruder according to the present utility model;

FIG. 2 is a schematic side view of the upper and lower half pipes of FIG. 1;

FIG. 3 is a schematic side view in cross-section of the upper and lower half pipes of FIG. 1;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure: the spray head comprises a throat pipe 1, a spray head 2, a lower half pipe 3, an upper half pipe 4, a water inlet pipe 5, a water outlet pipe 6, an upper connecting block 7, a lower connecting block 8, a sealing ring 9, a groove 10, a bump 11, a chute 12, a curved rod 13, a locking curved spring 14, a sliding cavity 15, a limiting block 16 and a limiting spring 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a 3D printing wire extruder water cooling system, including the choke 1, the right-hand member of choke 1 is provided with shower nozzle 2, still include the water cooling subassembly that sets up can be dismantled at the pipe shaft of choke 1, water cooling subassembly is including from lower half pipe 3 and the upper half pipe 4 of supreme rotatory connection distribution down, the fixed sealing washer 9 that bonds in both sides of upper half pipe 4 and lower half pipe 3, and sealing washer 9 is semi-circular, when upper half pipe 4 and lower half pipe 3 are in the same place, two semi-circular sealing washer 9 constitute a circular, seal the left and right sides of upper half pipe 4 and lower half pipe 3.

The upper half pipe 4 is provided with a groove 10, the lower half pipe 3 is fixedly connected with a bump 11 which is in plug-in fit with the groove 10, and when the upper half pipe 4 is rotationally covered on the upper half pipe 3, water is placed to leak from the pipe body of the combined pipe body.

The shape of recess 10 is the arc, and the shape of lug 11 and the shape adaptation of recess 10 owing to the special shape of last half pipe 4 and lower half pipe 3, and when last half pipe 4 rotated down half pipe 3, guarantee that lug 11 can the joint get into in the recess 10, realize the seal to last half pipe 4 and lower half pipe 3 pipe shaft.

The rubber pad is fixedly adhered to the inner peripheral wall of the groove 10, and the groove 10 is in interference fit with the convex block 11 through the rubber pad, so that the sealing waterproof effect of the combined pipe body of the upper half pipe 4 and the lower half pipe 3 is further improved.

The lower extreme intercommunication of second half pipe 3 has inlet tube 5, and the upper end intercommunication of first half pipe 4 has outlet pipe 6, from below water inlet top water outlet, can guarantee that the combination body of first half pipe 4 and second half pipe 3 is filled with cold water in, further can replace water with the coolant liquid, further increases the cooling effect.

The left ends of the upper half pipe 4 and the lower half pipe 3 are fixedly connected with an upper connecting block 7 and a lower connecting block 8 respectively, a chute 12 is formed in the upper connecting block 7, a curved rod 13 is slidably connected with the chute 12, a locking curved spring 14 is fixedly connected between the curved rod 13 and the chute 12, curved grooves matched with the curved rod 13 in a plugging manner are formed in the lower connecting block 8, two sliding cavities 15 are symmetrically formed in the curved rod 13, limiting blocks 16 are slidably connected with the sliding cavities 15, oblique angles are formed in the limiting blocks 16, and when the upper half pipe 4 rotates downwards and is spliced with the lower half pipe 3, the two limiting blocks 16 slide relatively into the sliding cavities 15.

A limiting spring 17 is fixedly connected between the limiting block 16 and the sliding cavity 15, and the original length of the limiting spring 17 is smaller than the horizontal width of the sliding cavity 15, so that the limiting block 16 is always positioned in the sliding cavity 15.

The detailed working process of the utility model is as follows:

when the water cooling assembly is used, when the water cooling assembly is installed on the venturi 1, the upper half pipe 4 is rotated to be opened, the lower half pipe 3 is placed at the lower end of the venturi 1, the upper half pipe 4 is rotated to splice the upper half pipe 4 with the lower half pipe 3, a sealed channel is formed between the upper half pipe 4 and the lower half pipe 3 and the venturi 1, after the upper half pipe 4 is spliced with the lower half pipe 3, the curved rod 13 enters the curved groove, the curved rod 13 is pressed, the locking curved spring 14 is stretched, the two limiting blocks 16 slide out of the sliding cavity 15 in a back-to-back mode under the elasticity of the limiting spring 17, the limiting blocks 16 are abutted to the lower end of the lower connecting block 8, and the upper half pipe 4 and the lower half pipe 3 are in a locking state under the elasticity of the locking curved spring 14.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a wire rod extruder water cooling system is printed to 3D, includes choke (1), the right-hand member of choke (1) is provided with shower nozzle (2), its characterized in that: still include the water-cooling subassembly that sets up can be dismantled at the pipe shaft of choke (1), water-cooling subassembly is including rotating lower half pipe (3) and the last half pipe (4) that connect the distribution from supreme down, lower extreme intercommunication of lower half pipe (3) has inlet tube (5), the upper end intercommunication of last half pipe (4) has outlet pipe (6), upper half pipe (4) and the left end of lower half pipe (3) fixedly connected with go up connecting block (7), lower connecting block (8) respectively, spout (12) have been seted up on last connecting block (7), spout (12) sliding connection have curved bar (13), fixedly connected with locking curved spring (14) between curved bar (13) and spout (12), set up on lower connecting block (8) with curved bar (13) grafting complex curved groove, two sliding chamber (15) have been seted up to the symmetry on curved bar (13), sliding chamber (15) sliding connection has stopper (16), fixedly connected with spacing spring (17) between stopper (16) and sliding chamber (15).

2. The 3D printing wire extruder water cooling system of claim 1, wherein: sealing rings (9) are fixedly bonded to the two sides of the upper half pipe (4) and the lower half pipe (3), and the sealing rings (9) are semicircular.

3. The 3D printing wire extruder water cooling system of claim 1, wherein: the upper half pipe (4) is provided with a groove (10), and the lower half pipe (3) is fixedly connected with a bump (11) which is in plug-in fit with the groove (10).

4. A 3D printing wire extruder water cooling system as defined in claim 3 wherein: the shape of the groove (10) is arc-shaped.

5. A 3D printing wire extruder water cooling system as defined in claim 3 wherein: the rubber pad is fixedly adhered to the inner peripheral wall of the groove (10), and the groove (10) is in interference fit with the bump (11) through the rubber pad.

6. The 3D printing wire extruder water cooling system of claim 1, wherein: and the limiting block (16) is provided with an oblique fillet.