CN217597669U

CN217597669U - Suction type feeding assembly of injection molding machine

Info

Publication number: CN217597669U
Application number: CN202220092836.9U
Authority: CN
Inventors: 陈泳康
Original assignee: Foshan Chengfeng Moulding & Plastic Co ltd
Current assignee: Foshan Chengfeng Moulding & Plastic Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-10-18
Anticipated expiration: 2032-01-13

Abstract

The utility model belongs to the technical field of the injection molding machine technique and specifically relates to an injection molding machine suction formula material loading subassembly, including the air exhauster, the exhaust tube, throw the feed tank, inlet pipe and install the square material jar on the injection molding machine, the exhaust tube both ends communicate with the suction mouth of air exhauster and the top surface of square material jar respectively, inlet pipe one end and throw the feed tank intercommunication, the inlet pipe other end stretches into in the square material jar and the intercommunication has opening magazine down from square material jar upper portion, ejection of compact box sets up under exhaust tube and square material jar junction, ejection of compact box downside is connected with the stock guide that two bilateral symmetry set up, the interval of two stock guides is from last down crescent and the lower extreme leaves the clearance with square material jar inner wall, ejection of compact box upside is connected with two bilateral symmetry settings and outwards the tilt up extend to with the filter screen of square material jar inner wall. Implement the utility model discloses a material loading efficiency can be guaranteed and the waste of raw materials is prevented to injection molding machine suction formula material loading subassembly.

Description

Suction type feeding assembly of injection molding machine

Technical Field

The utility model belongs to the technical field of the injection molding machine technique and specifically relates to an injection molding machine suction formula material loading subassembly.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting materials into plastic products of various shapes by using a plastic molding mold. The hopper of the large-scale injection molding machine is higher in position, the continuous production time is longer, if the hopper is fed by adopting a manual feeding mode, the mode is frequent in feeding and high in labor intensity, and the requirement of large-scale production cannot be met. To solve these problems, the hopper is charged by suction.

The suction type feeding device of the injection molding machine in the prior art generally comprises an exhaust fan communicated with a hopper through an exhaust pipe and a feeding tank communicated with the hopper through a feeding pipe and positioned at a lower position, wherein the exhaust fan exhausts air to the hopper through the exhaust pipe to enable the hopper to form negative pressure, and the hopper sucks raw materials into the hopper from the feeding tank through the feeding pipe under the action of the negative pressure. However, in this suction method, the raw material entering the hopper is easily discharged from the exhaust outlet of the exhaust fan after leaving the hopper from the exhaust pipe, which blocks the exhaust fan, thus affecting the feeding efficiency and wasting the raw material.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a suction formula material loading subassembly of injection molding machine is provided, can guarantee the material loading efficiency and prevent the waste of raw materials.

In order to solve the technical problem, the utility model discloses an injection molding machine suction formula material loading subassembly, including air exhauster, exhaust tube, throw feed tank, inlet pipe and install the square material jar on the injection molding machine, the exhaust tube both ends respectively with the suction port of air exhauster and the top surface intercommunication of square material jar, inlet pipe one end and throw feed tank intercommunication, the inlet pipe other end stretches into square material jar and the intercommunication has opening magazine down from square material jar upper portion, it sets up under exhaust tube and square material jar junction to go out the magazine, it is connected with the stock guide that two bilateral symmetry set up to go out the magazine downside, two the interval of stock guide is from last down crescent and the lower extreme leaves the clearance with square material jar inner wall, it is connected with two bilateral symmetry settings and the filter screen that the tilt up extends to and square material jar inner wall outwards to go out the magazine upside.

As an improvement of the scheme, the material guide plate is an arc plate which is inclined outwards and upwards and arched.

As the improvement of the scheme, two material collecting plates which are arranged in a bilateral symmetry mode are arranged in the square charging bucket and below the material guide plates, the distance between the two material guide plates is gradually reduced from top to bottom, a gap is reserved between the lower ends of the two material guide plates and the inner wall of the square charging bucket, and the lower ends of the material guide plates stretch into the space between the two material collecting plates and leave a gap with the material collecting plates.

As an improvement of the scheme, a visual window for observing the material collecting plate is arranged on the front side of the square charging bucket.

As the improvement of the scheme, the outside of the material guide plate is connected with the material baffle plate which inclines outwards and downwards, the material baffle plate is positioned above the material collecting plate, and gaps are reserved between the material baffle plate and the inner wall of the square material tank and between the material baffle plate and the upper end of the material collecting plate.

As an improvement of the scheme, the width of the opening of the discharging box is 3-5 times of the inner diameter of the feeding pipe, the distance between the lower ends of the two material guide plates is 3-5 times of the width of the opening of the discharging box, and the distance between the lower ends of the two material collecting plates is 1-2 times of the width of the opening of the discharging box.

As an improvement of the scheme, the inner diameter of the suction pipe is 2-4 times of the inner diameter of the feeding pipe.

As an improvement of the scheme, the filter screen forms an included angle of 30-45 degrees with the horizontal plane.

Implement the utility model discloses, following beneficial effect has:

the utility model relates to an injection molding machine suction formula material loading subassembly passes through the air exhauster, the exhaust tube, throw the feed tank, the inlet pipe, square material jar, go out the magazine, stock guide and filter screen intercombination, make the raw materials that enter into square material jar under the effect of ejection of compact box and stock guide fall towards square material jar bottom, the raw materials that prevents to enter into square material jar leaves through the exhaust tube at once, and simultaneously, prevent that the air exhauster from blockking up, simultaneously, the less raw materials of small part leaves square material jar under the blockking of filter screen in, prevent that the raw materials from passing through the air exhauster and discharging, guarantee the material loading efficiency and prevent the waste of raw materials.

Drawings

FIG. 1 is a schematic view of an external structure of a suction type feeding assembly of an injection molding machine according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of a square charging bucket in the embodiment of the present invention;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. an exhaust fan; 2. an air exhaust pipe; 3. a feeding tank; 4. a feed pipe; 5. a square charging bucket; 6. discharging the material box; 7. a material guide plate; 8. filtering with a screen; 9. a material collecting plate; 10. a visible window; 11. a striker plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea claimed in the present invention. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

As shown in fig. 1 to 3, in an embodiment of the present invention, a suction type feeding assembly for an injection molding machine includes an exhaust fan 1, an exhaust pipe 2, a feeding tank 3, a feeding pipe 4, and a square charging bucket 5 installed on the injection molding machine. In fact, the lower side of the square charging bucket 5 is provided with a feeding port (not shown in the figure) communicated with the feeding port of the injection molding machine, so that the raw materials entering the square charging bucket 5 can enter the injection molding machine, and the feeding tank 3 is arranged on the ground, thereby facilitating the operation of operators to feed the raw materials into the feeding tank 3.

2 both ends of exhaust tube communicate with the suction opening of air exhauster 1 and the top surface of square material jar 5 respectively, 4 one ends of inlet pipe and 3 intercommunications of feeding tank, the 4 other ends of inlet pipe stretch into in the square material jar 5 and the intercommunication has opening magazine 6 down from square material jar 5 upper portion, go out magazine 6 and set up under exhaust tube 2 and square material jar 5 junction, make through the raw materials that inlet pipe 4 entered into ejection of compact box 6 move down under the effect of gravity behind the opening of ejection of compact box 6 is left from ejection of compact box 6.

Go out 6 downside of magazine and be connected with the stock guide 7 that two bilateral symmetry set up, two the interval of stock guide 7 is from last down crescent and lower extreme and square material jar 5 inner wall leave the clearance, because air in stock guide 7 is from last down moving and walk around stock guide 7 lower extreme, from up moving to exhaust tube 2 down again, and the partial raw materials of whereabouts move down under the action of gravity, and another part raw materials of whereabouts pastes to stock guide 7 along with the air flow for the raw materials that leaves from ejection of compact box 6 disperses between two stock guides 7, leaves 7 lower extremes of stock guide at last and continues the whereabouts.

The upper side of the discharging box 6 is connected with two filter screens 8 which are arranged symmetrically and inclined upwards outwards to extend to the inner wall of the square charging bucket 5. The filter screen 8 that sets up in the slope is bigger than the filter screen 8 filter area that sets up horizontally, prevents that lighter raw materials from entering into exhaust tube 2 and discharging through air exhauster 1. Specifically, the filter screen 8 preferably forms an angle of 30-45 degrees with the horizontal plane, as shown in fig. 2, the filter screen 8 forms an angle of 30-45 degrees with the horizontal plane relative to the horizontally arranged filter screen 8, so that the air flowing direction passing through the filter screen 8 is more nearly vertical to the filter screen 8, and the filtering effect of the filter screen 8 is ensured.

The utility model relates to an injection molding machine suction formula material loading subassembly's concrete theory of operation as follows: when raw materials need to be added into the square charging bucket 5, the raw materials are added into the feeding bucket 3, the exhaust fan 1 is started, and the exhaust fan 1 exhausts air from the top of the square charging bucket 5 through the exhaust pipe 2, so that the square charging bucket 5 forms negative pressure; under the action of negative pressure, the square charging bucket 5 extracts raw materials from the feeding bucket 3 through the feeding pipe 4, and the raw materials enter the discharging box 6 in the square charging bucket 5 through the feeding pipe 4; the raw materials leave out feed box 6 from ejection of compact box 6 below opening after, under the action of gravity and the flow of air, fall the limit and disperse towards left and right both sides between two stock guides 7, most raw materials leave stock guide 7 lower extreme under the action of gravity and fall to feeding tank 3 bottom at last, the air that a small part of lighter raw materials follow flows walks around stock guide 7 lower extreme and continues to shift up, these lighter raw materials are blocked by filter screen 8 at the in-process that shifts up, prevent that these lighter raw materials from leaving square material jar 5 through exhaust tube 2, after air exhauster 1 closed, these raw materials fall to the internal bottom of square tank under the action of gravity.

The utility model relates to an injection molding machine suction formula material loading subassembly passes through air exhauster 1, exhaust tube 2, throw material jar 3, inlet pipe 4, square material jar 5, ejection of compact box 6, stock guide 7 and filter screen 8 intercombination, make the raw materials that enters into square material jar 5 fall towards square material jar 5 bottom under ejection of compact box 6 and stock guide 7's effect, the raw materials that prevents to enter into square material jar 5 leaves through exhaust tube 2 at once, and simultaneously, prevent air exhauster 1 from blockking up, simultaneously, the less raw materials of part leaves square material jar 5 under filter screen 8's blockking in, prevent that the raw materials from passing through air exhauster 1 and discharging, guarantee the material loading efficiency and prevent the waste of raw materials.

It is worth mentioning that, as shown in fig. 2, the material guiding plates 7 are preferably circular arc plates which are inclined outwards and arched upwards, so that when the materials fall for the same distance, the distance between the two material guiding plates 7 is increased, that is, the materials move and disperse towards the material guiding plates 7 during the falling process, and then the rotating direction is changed under the action of the material guiding plates 7, so that the included angle between the falling direction of the materials away from the lower ends of the material guiding plates 7 and the vertical surface is reduced, and the materials are convenient to accumulate in the middle of the inner bottom surface of the square material tank 5. Further, preferably install two album flitchs 9 that bilateral symmetry set up with stock guide 7 below in the square material jar 5, two the interval of stock guide 7 down reduces gradually and the lower extreme leaves the clearance with square material jar 5 inner wall from the follow, the lower extreme of stock guide 7 stretches into between two album flitchs 9 and leaves the clearance with the board 9 that gathers materials. The raw material leaving the guide plate 7 is accumulated to the middle part of the inner bottom surface of the square charging bucket 5 again through the material collecting plate 9, and the air leaving the lower end of the guide plate 7 leaves from the gap between the lower end of the guide plate 7 and the material collecting plate 9 and moves upwards to split the raw material and the air.

Specifically, as shown in fig. 1, the front side of the square charging bucket 5 is preferably provided with a visual window 10 for observing the material collecting plate 9, so that an operator can conveniently observe the working condition of the material collecting plate 9.

Furthermore, as shown in fig. 2, a baffle plate 11 which inclines outward and downward is preferably connected to the outer side of the guide plate 7, the baffle plate 11 is located above the material collecting plate 9, and gaps are left between the baffle plate 11 and the inner wall of the square charging bucket 5 and between the baffle plate 11 and the upper end of the material collecting plate 9, so that the baffle plate plays a role of blocking the material moving upward along with the air bypassing the lower end of the guide plate 7.

Specifically, the opening width of the discharging box 6 is preferably 3-5 times of the inner diameter of the feeding pipe 4, so that the raw materials entering the discharging box 6 are firstly diffused in the discharging box 6, and the square charging bucket 5 is ensured to smoothly extract the raw materials in the feeding tank 3 through the feeding pipe 4; the distance between the lower ends of the two material guide plates 7 is preferably 3-5 times of the width of the opening of the material outlet box 6, and a larger diffusion space is further provided for the raw materials between the two material guide plates 7, so that the air and the raw materials are better divided; the distance between the lower ends of the two material collecting plates 9 is 1-2 times of the width of the opening of the material outlet box 6, so that raw materials are conveniently collected to the middle part of the inner bottom surface of the square material tank 5, and the raw materials can conveniently enter the injection molding machine from the square material tank 5. Further, the inner diameter of the suction pipe 2 is preferably 2 to 4 times of the inner diameter of the feeding pipe 4, and the inner diameter of the suction pipe 2 is increased because the density of the air is low, so that the suction fan 1 can more easily suck the air from the square buckets 5 to form negative pressure in the square buckets 5.

The above is only the concrete embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an injection molding machine suction formula material loading subassembly which characterized in that: including air exhauster, exhaust tube, throw feed tank, inlet pipe and install the square material jar on the injection molding machine, the exhaust tube both ends respectively with the suction port of air exhauster and the top surface intercommunication of square material jar, inlet pipe one end and throw feed tank intercommunication, the inlet pipe other end stretches into in the square material jar and the intercommunication has opening magazine down from square material jar upper portion, it sets up under exhaust tube and square material jar junction to go out the magazine, it is connected with the stock guide that two bilateral symmetry set up, two to go out the magazine downside the interval of stock guide is from last down crescent and lower extreme and square material jar inner wall leave the clearance, it is connected with two bilateral symmetry sets up and extend to the filter screen with square material jar inner wall outwards tilt up to go out the magazine upside.

2. The suction-type loading assembly of an injection molding machine as claimed in claim 1, wherein: the material guide plate is an arc plate which is inclined outwards and arched upwards.

3. The suction-type loading assembly of an injection molding machine of claim 2, wherein: the square charging bucket is internally provided with two material collecting plates which are arranged in a bilateral symmetry mode below the material guide plates, the distance between the material guide plates is gradually reduced from top to bottom, the lower ends of the material guide plates are spaced from the inner wall of the square charging bucket, and the lower ends of the material guide plates stretch into the space between the two material collecting plates and are spaced from the material collecting plates.

4. The suction-type loading assembly of an injection molding machine as claimed in claim 3, wherein: the front side of the square charging bucket is provided with a visual window for observing the material collecting plate.

5. The suction-type loading assembly of an injection molding machine as claimed in claim 3, wherein: the baffle outside is connected with the striker plate of downward sloping outwards, the striker plate is located the aggregate slab top, just the striker plate all leaves the clearance with square material jar inner wall and aggregate slab upper end.

6. The suction-type loading assembly of an injection molding machine of claim 5, wherein: the width of the opening of the discharging box is 3-5 times of the inner diameter of the feeding pipe, the distance between the lower ends of the two material guide plates is 3-5 times of the width of the opening of the discharging box, and the distance between the lower ends of the two material collecting plates is 1-2 times of the width of the opening of the discharging box.

7. The suction-type loading assembly of an injection molding machine of claim 6, wherein: the inner diameter of the suction pipe is 2-4 times of the inner diameter of the feeding pipe.

8. The suction-type loading assembly of an injection molding machine as claimed in claim 1, wherein: the filter screen and the horizontal plane form an included angle of 30-45 degrees.