CN220923228U - Discharging pipe heater of injection molding machine - Google Patents

Abstract

The utility model relates to the technical field of injection molding machine discharging pipe heating, in particular to a discharging pipe heater of an injection molding machine, which comprises an injection molding machine body, wherein the injection molding machine body comprises an injection cylinder and a discharging pipe which is fixed on the right side surface of the injection cylinder and is communicated with an inner cavity of the injection cylinder, the part, close to the left end, of the outer wall of the discharging pipe is provided with the heater, and the heater comprises a limiting mechanism sleeved on the outer wall of the discharging pipe and further comprises: the heating mechanism is sleeved on the outer wall of the discharging pipe and is close to the left end and used for heating the discharging pipe, and comprises a lantern ring sleeved on the outer wall of the discharging pipe and close to the left end, and a plurality of jacks are formed in the outer wall of the lantern ring. According to the utility model, the heater is arranged on the outer wall of the discharge pipe, so that the material passing through the discharge pipe can be heated, and the condition that the material is gradually cooled and solidified during discharging can be prevented.

Description

Discharging pipe heater of injection molding machine

Technical Field

The utility model relates to the technical field of heating of discharge pipes of injection molding machines, in particular to a discharge pipe heater of an injection molding machine.

Background

Injection molding machines, also known as injection molding machines or injection molding machines, are the main molding equipment for producing plastic products of various shapes from thermoplastic or thermosetting plastics by using plastic molding dies, and are divided into vertical, horizontal and all-electric type, the injection molding machines can heat the plastics, apply high pressure to the molten plastics to make them jet out to fill the die cavity of the dies, and the injection molding machines are often required in the process of producing plastic products.

The patent with the publication number CN217514422U discloses an injection device for an injection molding machine, the injection device comprises an injection mechanism, the injection mechanism comprises an injection cylinder, a threaded rod is rotationally connected with one end of the injection cylinder, a nozzle is connected with one end of the threaded rod, one side of the injection cylinder, which is far away from the nozzle, is provided with an injection motor, an output shaft of the injection motor is coaxially connected with the threaded rod, a heating chamber is arranged above the injection cylinder, a discharging pipe which is communicated with the inside of the injection cylinder is embedded in the bottom surface of the heating chamber, a feeding mechanism is arranged above the heating chamber, the feeding mechanism comprises a crushing chamber, a crushing assembly is arranged inside the crushing chamber, and a crushing assembly for crushing plastic particles with larger particle sizes is arranged in the feeding mechanism.

Although the device is broken to the inside plastic granules of grain diameter that gets into the crushing room from the feed inlet through a plurality of mutual staggering that is located two pivots and turns to the crushing tooth that turns to be opposite to be less than the filter screen aperture, the plastic granules after being broken drops to the heating chamber from the mesh on the filter screen and melts the plasticization, but the heating structure in the device is the setting in the feeding process, does not set up the structure that heats the nozzle, and the material can cool down gradually in the ejection of compact process to probably can lead to the phenomenon that the material takes place solidification in the ejection of compact process.

Disclosure of utility model

The utility model aims to provide a discharge pipe heater of an injection molding machine, which aims to solve the problems that the heating structure in the device provided in the background art is arranged in the feeding process, the structure for heating a nozzle is not arranged, and the material is gradually cooled in the discharging process, so that the solidification phenomenon of the material in the discharging process can be caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a discharging pipe heater of injection molding machine, includes injection molding machine body, injection molding machine body includes the injection tube, fixes at the injection tube right side surface and rather than the discharging pipe that the inner chamber is linked together, discharging pipe outer wall is close to left end department and is equipped with the heater, the stop gear on discharging pipe outer wall is established including the cover to the heater, still includes:

The heating mechanism is sleeved on the outer wall of the discharging pipe near the left end and is used for heating the discharging pipe, the heating mechanism comprises a lantern ring sleeved on the outer wall of the discharging pipe near the left end, a plurality of jacks are arranged on the outer wall of the lantern ring, a plurality of mounting holes are arranged on the outer wall of the lantern ring, the jacks on the surface of the lantern ring are positioned between two mounting holes on the same side, the heating mechanism also comprises a plurality of inserted bars which are in sliding insertion connection with the jacks on the same side of the outer wall of the lantern ring, and a heat insulation box fixed on the surface of one side of the inserted bar near the discharging pipe, the heat insulation box is close to the discharging pipe and is in the shape of an arc matched with the shape of the outer wall of the discharging pipe, the heat insulation box is close to the surface of one side of the discharging pipe and is provided with an installation groove, and the heating mechanism further comprises a plurality of heating strips which are installed inside the surface installation groove of the heat insulation box on the same side and are tightly attached to the outer wall of the discharging pipe, a plurality of sleeves which are fixed inside the installation holes on the same side of the surface of the lantern ring, a plurality of springs, one ends of which are fixed on the inner top surface of the sleeve on the same side, a movable disc which is in sliding connection with the inner wall of the sleeve on the same side and is fixed with the other end of the springs, and a plurality of movable rods which are fixed between the movable disc and the heat insulation box on the same side.

As a preferred implementation mode, two guide grooves are formed in the inner wall of the sleeve, and two guide blocks which are in sliding connection with the guide grooves on the same side on the inner wall of the sleeve on the same side are fixed on the outer wall of the moving disc.

As a preferable implementation mode, the heating mechanism further comprises a plurality of pull rods which are fixed on one side surface of the same side inserted rod, which is far away from the discharging pipe, and the shape of each pull rod is T-shaped.

As a preferred implementation mode, a plurality of jacks on the outer wall of the lantern ring are distributed at equal intervals in an annular mode, and the surface of one side, close to the discharging pipe, of the heating strip is in an arc shape matched with the shape of the outer wall of the discharging pipe.

As a preferred implementation mode, stop gear establishes on the discharging pipe outer wall and is located the spacing ring on lantern ring right side, fixes a plurality of connecting plate between spacing ring and lantern ring including the cover, be equipped with a plurality of screw hole on the spacing ring outer wall, stop gear still includes a plurality of screw rod with spacing ring outer wall homonymy screw hole threaded connection, fixes a plurality of limiting plate that is close to discharging pipe one side surface at homonymy screw rod and closely contradicts with the discharging pipe outer wall.

As a preferable implementation mode, a rotary table is coaxially fixed on one side surface of the screw far away from the limiting ring, and a deflector rod is fixed on one side surface of the rotary table far away from the limiting ring, close to the edge.

As a preferable implementation mode, the transverse section shape of the guide groove on the inner wall of the sleeve is in a convex shape, and the shape of the guide block is in a convex shape matched with the shape of the guide groove on the inner wall of the sleeve.

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

1. According to the utility model, the heater is arranged to heat the discharging pipe, and the heater is arranged on the outer wall of the discharging pipe so as to heat the material passing through the discharging pipe, so that the condition that the material is gradually cooled and solidified during discharging can be prevented;

2. According to the utility model, the two guide grooves are arranged on the inner wall of the sleeve, and the two guide blocks which are in sliding connection with the guide grooves on the same side on the inner wall of the sleeve on the same side are fixed on the outer wall of the moving plate, so that the movement of the moving plate can be guided, and the moving rod is more stable in the movement process indirectly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the whole structure of the injection molding machine body according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a schematic view showing the overall structure of a heater according to the present utility model;

FIG. 5 is an exploded view of the spacing mechanism of the present utility model;

FIG. 6 is an exploded view of the heating mechanism of the present utility model;

FIG. 7 is a partial exploded view of the heating mechanism of the present utility model;

FIG. 8 is a schematic view of the internal structure of the sleeve according to the present utility model;

Fig. 9 is a partial exploded view of a heating mechanism according to the present utility model.

The meaning of each reference numeral in the figures is:

1. An injection molding machine body; 11. a syringe; 12. a discharge pipe; 2. a heater; 21. a limiting mechanism; 211. a limiting ring; 212. a screw; 213. a turntable; 214. a deflector rod; 215. a limiting plate; 216. a connecting plate; 22. a heating mechanism; 221. a collar; 222. a rod; 223. a heat insulation box; 224. a sleeve; 225. a heating strip; 226. a pull rod; 227. a moving tray; 228. a moving rod; 229. a spring; 2210. and a guide block.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-9, the present utility model provides a technical solution: the utility model provides a discharging pipe heater of injection molding machine, includes injection molding machine body 1, and injection molding machine body 1 includes injection cylinder 11, fixes at injection cylinder 11 right side surface and rather than the discharging pipe 12 that the inner chamber is linked together, and discharging pipe 12 outer wall is close to left end department and is equipped with heater 2, and heater 2 is established the stop gear 21 on discharging pipe 12 outer wall including the cover, still includes:

The heating mechanism 22 is sleeved on the outer wall of the discharging pipe 12 near the left end and is used for heating the discharging pipe 12, the heating mechanism 22 comprises a lantern ring 221 sleeved on the outer wall of the discharging pipe 12 near the left end, a plurality of insertion holes are formed in the outer wall of the lantern ring 221, a plurality of mounting holes are formed in the outer wall of the lantern ring 221, the insertion holes on the surface of the lantern ring 221 are positioned between two mounting holes on the same side, the heating mechanism 22 further comprises a plurality of inserted rods 222 which are slidably inserted into the insertion holes on the same side of the outer wall of the lantern ring 221, a heat insulation box 223 which is fixed on the surface of one side of the inserted rods 222 near the discharging pipe 12, the surface of one side of the heat insulation box 223 near the discharging pipe 12 is in a circular arc shape which is matched with the shape of the outer wall of the discharging pipe 12, a mounting groove is formed in the surface of one side of the heat insulation box 223 near the discharging pipe 12, the heating mechanism 22 further comprises a plurality of heating strips 225 which are arranged inside the surface mounting groove of the same-side heat insulation box 223 and tightly attached to the outer wall of the discharge pipe 12, a plurality of sleeves 224 which are fixed inside the same-side mounting hole on the surface of the lantern ring 221, a plurality of springs 229 with one ends fixed on the inner top surface of the same-side sleeves 224, a movable disc 227 which is in sliding connection with the inner wall of the same-side sleeves 224 and is fixed with the other ends of the springs 229, and a plurality of movable rods 228 which are fixed between the movable disc 227 and the same-side heat insulation box 223, wherein the heater 2 is arranged on the outer wall of the discharge pipe 12 so as to heat the material passing through the discharge pipe 12, and further prevent the material from gradually cooling and solidifying during discharging.

In this embodiment, two guide grooves are formed on the inner wall of the sleeve 224, and two guide blocks 2210 slidably connected with the guide grooves on the inner wall of the sleeve 224 on the same side are fixed on the outer wall of the moving disc 227, so that the movement of the moving disc 227 can be guided, and the moving rod 228 is more stable in the movement process indirectly.

In addition, the heating mechanism 22 further comprises a plurality of pull rods 226 fixed on the surface of the same side of the insert rod 222 far away from the discharging pipe 12, and the pull rods 226 are T-shaped, so that the insert rod 222 is pulled conveniently.

Further, the plurality of jacks on the outer wall of the collar 221 are distributed in an annular equidistant manner, and the surface of one side of the heating strip 225, which is close to the discharging pipe 12, is in a circular arc shape matched with the shape of the outer wall of the discharging pipe 12, so that the contact area between the heating strip 225 and the discharging pipe 12 is larger, and the heating effect of the plurality of heating strips 225 is better.

Specifically, stop gear 21 is including the cover establish on discharging pipe 12 outer wall and be located the spacing ring 211 on lantern ring 221 right side, fix a plurality of connecting plate 216 between spacing ring 211 and lantern ring 221, be equipped with a plurality of screw hole on the spacing ring 211 outer wall, stop gear 21 still includes a plurality of screw rod 212 with spacing ring 211 outer wall homonymy screw hole threaded connection, fix a plurality of limiting plate 215 that is close to discharging pipe 12 one side surface and closely contradicts with discharging pipe 12 outer wall at homonymy screw rod 212, can make the installation of whole heater 2 more firm through setting up stop gear 21.

It is noted that a rotary table 213 is coaxially fixed on a side surface of the screw 212 away from the limiting ring 211, and a shift lever 214 is fixed on a side surface of the rotary table 213 away from the limiting ring 211 near the edge, so that a worker can rotate the screw 212 conveniently.

It should be noted that, the transverse cross-section shape of the guide groove on the inner wall of the sleeve 224 is in a convex shape, and the shape of the guide block 2210 is in a convex shape matched with the shape of the guide groove on the inner wall of the sleeve 224, so that the connection between the guide block 2210 and the guide groove on the inner wall of the sleeve 224 is tighter, and the moving rod 228 is more stable in the moving process.

Finally, it should be noted that the components of the injection molding machine body 1, the heating strip 225 and the like related to the present utility model are all universal standard components or components known to those skilled in the art, the structure and principle of the components are all known to those skilled in the art through technical manuals or known through routine experimental methods, at the idle position of the device, all the electric devices are connected through wires, which refer to power elements, electric devices and an adaptive controller and a power supply, the specific connection means should refer to the working principle in the present utility model, and the electric connection between the electric devices is completed according to the sequence of operation, and the detailed connection means is known in the art.

In the specific use process, when the discharging pipe 12 needs to be heated, firstly, the plurality of pull rods 226 are pulled to enable the pull rods 226 to move in a direction away from the discharging pipe 12, the pull rods 226 move to drive the inserted rods 222 fixed with the pull rods, the inserted rods 222 move to drive the heat insulation boxes 223 fixed with the inserted rods, the heat insulation boxes 223 move to enable the movable rods 228 fixed with the heat insulation boxes to move towards the direction of the springs 229 at the same side, the movable rods 228 move to drive the movable disks 227 fixed with the heat insulation boxes, the movable disks 227 move under the guiding action of the two guide blocks 2210 and the two guide grooves on the inner wall of the sleeve 224 at the same side, the movable disks 227 move to enable the springs 229 fixed with the movable disks to be compressed, then the limiting rings 211 and the sleeve rings 221 are sleeved on the circumferential outer wall of the discharging pipe 12, the plurality of pull rods 226 are slowly released, the plurality of springs 229 are driven to move in the direction of the discharging pipe 12 after the heat insulation boxes 223 are restored to the original length, and the plurality of heat insulation boxes 223 move towards the direction of the discharging pipe 12 until the heat insulation boxes 223 are tightly attached to the outer wall of the discharging pipe 12;

Then, a plurality of turntables 213 are rotated through a plurality of deflector rods 214, the turntables 213 rotate to drive a screw rod 212 which is coaxially fixed with the turntables, the screw rod 212 rotates and moves towards the discharging pipe 12, the screw rod 212 rotates to drive a limiting plate 215 which is fixed with the screw rod 212 to rotate, the limiting plate 215 rotates and moves towards the discharging pipe 12, the deflector rods 214 stop rotating when the limiting plate 215 is tightly abutted against the outer wall of the discharging pipe 12, so that the installation of the heater 2 is completed, a plurality of heating strips 225 are started through an external PLC before the injection molding machine body 1 discharges, and the outer wall of the discharging pipe 12 can be heated after the plurality of heating strips 225 are started, so that the material passing through the discharging pipe 12 can be prevented from being solidified due to temperature reduction.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a discharging pipe heater of injection molding machine, includes injection molding machine body (1), its characterized in that, injection molding machine body (1) include injection cylinder (11), fix at injection cylinder (11) right side surface and rather than discharging pipe (12) that the inner chamber is linked together, discharging pipe (12) outer wall is close to left end department and is equipped with heater (2), heater (2) are established stop gear (21) on discharging pipe (12) outer wall including the cover, still include:

The heating mechanism (22), the cover is established in discharging pipe (12) outer wall and is close to left end department for carry out heating treatment to discharging pipe (12), heating mechanism (22) are including the cover to be established in discharging pipe (12) outer wall and be close to lantern ring (221) of left end department, be equipped with a plurality of jack on lantern ring (221) outer wall, be equipped with a plurality of mounting hole on lantern ring (221) outer wall, just the jack on lantern ring (221) surface is located between two homonymous mounting holes, heating mechanism (22) still include with lantern ring (221) outer wall homonymous jack slip grafting a plurality of inserted bar (222), fix in inserted bar (222) be close to insulating box (223) of discharging pipe (12) one side surface, insulating box (223) be close to discharging pipe (12) one side surface and be the convex with discharging pipe (12) outer wall shape looks adaptation, insulating box (223) are close to discharging pipe (12) one side surface and are equipped with the mounting groove, heating mechanism (22) still including install in homonymous insulating box (223) surface mounting groove inside and with discharging pipe (12) outer wall laminating a plurality of top surface mounting hole (224) inside a plurality of heating sleeve (224) inside the same side, a plurality of fixed top surface of sleeve (224) that is close to one side (224) of the same side of the top surface of the sealing sleeve (224) that is close to discharging pipe (12) A movable disc (227) which is connected with the inner wall of the sleeve (224) on the same side in a sliding way and is fixed with the other end of the spring (229), and a plurality of movable rods (228) which are fixed between the movable disc (227) and the heat insulation box (223) on the same side.

2. The discharge tube heater of an injection molding machine as set forth in claim 1 wherein: two guide grooves are formed in the inner wall of the sleeve (224), and two guide blocks (2210) which are connected with the guide grooves on the same side on the inner wall of the sleeve (224) on the same side in a sliding manner are fixed on the outer wall of the movable disc (227).

3. The discharge tube heater of an injection molding machine as set forth in claim 1 wherein: the heating mechanism (22) further comprises a plurality of pull rods (226) fixed on the surface of one side of the same-side inserted rod (222) far away from the discharging pipe (12), and the pull rods (226) are T-shaped.

4. The discharge tube heater of an injection molding machine as set forth in claim 1 wherein: the jacks on the outer wall of the lantern ring (221) are distributed in an annular equidistant mode, and the surface of one side of the heating strip (225) close to the discharging pipe (12) is in a circular arc shape matched with the shape of the outer wall of the discharging pipe (12).

5. The discharge tube heater of an injection molding machine as set forth in claim 1 wherein: stop gear (21) are including the cover establish on discharging pipe (12) outer wall and be located spacing ring (211) on lantern ring (221) right side, fix a plurality of connecting plate (216) between spacing ring (211) and lantern ring (221), be equipped with a plurality of screw hole on spacing ring (211) outer wall, stop gear (21) still include with a plurality of screw rod (212) of spacing ring (211) outer wall homonymy screw hole threaded connection, fix a plurality of limiting plate (215) that are close to discharging pipe (12) one side surface and closely contradict with discharging pipe (12) outer wall at homonymy screw rod (212).

6. The discharge tube heater of an injection molding machine as set forth in claim 5 wherein: a rotary table (213) is coaxially fixed on one side surface of the screw rod (212) far away from the limiting ring (211), and a deflector rod (214) is fixed on one side surface of the rotary table (213) far away from the limiting ring (211) close to the edge.

7. The discharge tube heater of an injection molding machine as set forth in claim 2 wherein: the transverse section of the guide groove on the inner wall of the sleeve (224) is in a convex shape, and the guide block (2210) is in a convex shape matched with the guide groove on the inner wall of the sleeve (224).