Adjustable molding injection molding device

Abstract

The utility model relates to the technical field of injection molding devices, and discloses an adjustable injection molding device which comprises a workbench, a water suction pump is installed at the end, close to a drainage pipe, of a heat exchange pipe, and a flow adjusting assembly is arranged in a cooling structure. By starting the water suction pump, cooling water in the water tank enters the heat exchange pipe through the drainage pipe, the cooling water flows in the heat exchange pipe and absorbs heat transferred by the template, the heat exchange pipe is in close contact with the lower surface of the template, and heat accumulated in the injection molding process of the template is transferred to the heat exchange pipe through heat conduction. The temperature of the cooling water absorbing heat rises, the cooling water flows out from the other end of the heat exchange pipe and enters the water inlet pipe, the heated cooling water flows back to the water tank through the water inlet pipe, and the cooled water enters the circulation again and flows into the heat exchange pipe again through the drainage pipe, so that closed-loop circulation is formed, and the situation that the molding speed of a plastic part is affected due to temperature rise of a template is avoided; and a better cooling effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding device technical field, concretely is a kind of adjustable molding injection molding device. BACKGROUND

[0002] Injection molding device is the cornerstone technology of modern manufacturing, is widely used in the production of from consumer goods to high-precision industrial parts, its efficiency and flexibility make it become the core process in plastics processing field.

[0003] The utility model patent application file with the publication number "CN221391941 U" discloses a vertical injection molding device, mainly by workbench, injection mechanism, top die, lengthening table, track plate assembly, U type sliding base and convenient material removal bottom die are formed. The technical scheme is provided with two convenient material removal bottom dies, so that the device has double stations, when one convenient material removal bottom die is docked with top die to complete injection molding, two convenient material removal bottom dies can be driven to displace simultaneously by track plate assembly and U type sliding base, so that two convenient material removal bottom dies can be alternately docked with top die to carry out injection molding process, and the convenient material removal bottom die removed from the bottom of injection mechanism can be unloaded.

[0004] The vertical injection molding device disclosed in the above file has the following defects: after the plastic part is injected in the vertical injection molding device, the plastic part will be molded in the mold plate main body, and the plastic part will transfer heat to the mold main body. Over time, the temperature of the mold plate main body will increase, which will greatly affect the molding speed of the plastic part. UTILITY MODEL CONTENT

[0005] The utility model aims at a kind of adjustable molding injection molding device, solve the problem that the temperature of mold plate is increased after injection molding device is used for a long time, and the molding speed of plastic part is affected.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a adjustable forming injection molding device, including the work table, the front hinged of work table has the door plant, the upper surface of work table installs the connecting column, the upper surface of connecting column installs the injection molding mechanism, the injection molding output of injection molding mechanism installs the top die, the lower extreme of top die is provided with the template, the template installs the upper surface of work table, be provided with cooling structure between template and work table, cooling structure includes the heat exchange pipe, the heat exchange pipe passes through the fixed part and installs the lower surface of template, the inner bottom of work table installs the water tank, the upper end of water tank installs the cover, the upper surface of cover installs the water pipe, one end of water tank installs the water inlet pipe, the other end of water tank installs the drain pipe, both ends of heat exchange pipe all extend to the inside of work table, one end of heat exchange pipe installs in the inside of drain pipe, the other end of heat exchange pipe installs in the inside of water inlet pipe, one end of heat exchange pipe close to drain pipe installs the water pump, be provided with flow regulation assembly in the inside of cooling structure.

[0008] Further, the flow regulation assembly includes a partition plate, the inner surface of the water tank is provided with a baffle, the partition plate is installed on the upper surface of the baffle by bolts, a through hole is formed in the upper surface of the partition plate, a rectangular block is slidably connected in the through hole, a groove is formed in the lower surface of the rectangular block, a plurality of drain holes are formed in the inner surface of the groove, a first connecting plate is hingedly connected to the upper surface of the rectangular block, a connecting shaft is rotatably connected to the inner surface of the water tank, a second connecting plate is fixedly installed on the outer surface of the connecting shaft, and the other end of the second connecting plate is hingedly connected to the upper end of the first connecting plate.

[0009] Further, one end of the connecting shaft penetrates the water tank and extends outward, a gear is installed on one end of the connecting shaft, an outer shell is installed on the outer surface of the water tank, and the gear is located in the inner portion of the outer shell.

[0010] Further, a worm gear is rotatably connected to the inner surface of the outer shell, one end of the worm gear penetrates the outer shell and is installed with a knob, and the worm gear is meshingly connected with the gear.

[0011] Further, a plurality of heat dissipation fins are arranged on the outer surface of the heat exchange pipe, and the upper surfaces of the heat dissipation fins abut against the lower surface of the template.

[0012] Further, anti-slip stripes are arranged on the outer surface of the knob.

[0013] The utility model has the following beneficial effects:

[0014] (1)The utility model discloses a start water pump, make the cooling water in the water tank enter the heat exchange pipe through the drain pipe, and cooling water flows in the heat exchange pipe, absorbs the heat that template transmits, and the heat exchange pipe is closely contacted with the lower surface of template, and the heat that template accumulates in the injection molding process is transmitted to the heat exchange pipe through heat conduction, and the cooling water temperature rises after absorbing heat, and flows out from the other end of the heat exchange pipe, enters the water inlet pipe, and the cooling water after heating returns to the water tank through the water inlet pipe, and the water after cooling reenters circulation, and flows into the heat exchange pipe through the drain pipe again, forms closed loop circulation, avoids template temperature rise, influences the forming speed of plastic part, and better cooling effect is played.

[0015] (2)The utility model discloses a rotate knob, make the knob drive worm gear rotate, and drive gear and connecting shaft rotation further, and connecting shaft drive second connecting plate and first connecting plate movement, make the rectangular block slide up and down in the through -opening of partition, and the up and down movement of rectangular block changes the flow diameter of drain hole, to adjust the flow of cooling water, and the flow adjusting assembly can adjust the flow of cooling water in real time according to the temperature change of template, ensures that the cooling process is efficient and stable, under high temperature or fast injection molding condition, increase flow can cool down quickly, under low temperature or low speed condition, reduce flow can avoid excessive cooling, and energy is saved.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the local structure schematic diagram of the utility model;

[0020] Figure 3 It is the flow adjusting assembly and cooling structure schematic diagram of the utility model;

[0021] Figure 4 It is the water tank internal structure schematic diagram of the utility model;

[0022] Figure 5 It is the local cooling structure schematic diagram of the utility model;

[0023] Figure 6 It is the local flow adjusting assembly structure schematic diagram of the utility model;

[0024] In the drawings, the components represented by each reference numeral are listed as follows:

[0025] In the drawings: 1, workbench; 2, door plate; 3, connecting column; 4, injection mechanism; 5, top die; 6, mold plate; 7, cooling structure; 701, heat exchange pipe; 702, fixing piece; 703, water tank; 704, cover body; 705, water injection pipe; 706, water inlet pipe; 707, drain pipe; 708, water pump; 709, baffle; 7010, cooling fin; 8, flow regulating assembly; 801, partition plate; 802, rectangular block; 803, drain hole; 804, first connecting plate; 805, connecting shaft; 806, second connecting plate; 807, gear; 808, housing; 809, worm gear; 8010, knob. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-6 As shown in the figure, the utility model is a adjustable forming injection molding device, including workbench 1, the front of workbench 1 is hinged with door plate 2, the upper surface of workbench 1 is installed with connecting column 3, the upper surface of connecting column 3 is installed with injection mechanism 4, the injection output end of injection mechanism 4 is installed with top die 5, the lower end of top die 5 is provided with mold plate 6, mold plate 6 is installed on the upper surface of workbench 1, cooling structure 7 is arranged between mold plate 6 and workbench 1, cooling structure 7 includes heat exchange pipe 701, heat exchange pipe 701 is installed on the lower surface of mold plate 6 through fixing piece 702, the inner bottom of workbench 1 is installed with water tank 703, the upper end of water tank 703 is installed with cover body 704, the upper surface of cover body 704 is installed with water injection pipe 705, one end of water tank 703 is installed with water inlet pipe 706, the other end of water tank 703 is installed with drain pipe 707, both ends of heat exchange pipe 701 extend to the inside of workbench 1, one end of heat exchange pipe 701 is installed in the inside of drain pipe 707, the other end of heat exchange pipe 701 is installed in the inside of water inlet pipe 706, one end of heat exchange pipe 701 close to drain pipe 707 is installed with water pump 708, flow regulating assembly 8 is arranged in the inside of cooling structure 7;

[0028] Before use, first open the door plate 2, through the water injection pipe 705 to the water tank 703 inject cooling water, in use, by starting the water pump 708, so that the cooling water in the water tank 703 through the drain pipe 707 into the heat exchange pipe 701, cooling water in the heat exchange pipe 701 flow, absorb the heat of the template 6 transmission, heat exchange pipe 701 and the lower surface of the template 6 are in close contact, the heat accumulated in the template 6 during injection molding is transmitted to the heat exchange pipe 701 by heat conduction, the temperature of the cooling water after absorbing heat rises, flows out from the other end of the heat exchange pipe 701, enters the water inlet pipe 706, the cooling water after heating flows back to the water tank 703 through the water inlet pipe 706, the cooled water reenters the cycle, flows into the heat exchange pipe 701 again through the drain pipe 707, forms a closed loop circulation, avoids the temperature rise of the template 6, and affects the forming speed of the plastic part, and has a good cooling effect;

[0029] The flow regulating assembly 8 comprises a partition plate 801, the inner surface of the water tank 703 is provided with a baffle 709, the partition plate 801 is installed on the upper surface of the baffle 709 through bolts, the upper surface of the partition plate 801 is provided with a through hole, the inside of the through hole is slidably connected with a rectangular block 802, the lower surface of the rectangular block 802 is provided with a groove, the inner surface of the groove is provided with a plurality of drain holes 803, the upper surface of the rectangular block 802 is hingedly connected with a first connecting plate 804, the inner surface of the water tank 703 is rotatably connected with a connecting shaft 805, the outer surface of the connecting shaft 805 is fixedly installed with a second connecting plate 806, the other end of the second connecting plate 806 is hingedly connected with the upper end of the first connecting plate 804;

[0030] One end of the connecting shaft 805 extends outwardly through the water tank 703, a gear 807 is installed on one end of the connecting shaft 805, an outer shell 808 is installed on the outer surface of the water tank 703, and the gear 807 is located in the inner portion of the outer shell 808;

[0031] The inner surface of the outer shell 808 is rotatably connected with a worm gear 809, one end of the worm gear 809 extends through the outer shell 808 and is installed with a knob 8010, and the worm gear 809 is meshingly connected with the gear 807;

[0032] By rotating the knob 8010, the knob 8010 drives the worm gear 809 to rotate, and then drives the gear 807 and the connecting shaft 805 to rotate, the connecting shaft 805 drives the second connecting plate 806 and the first connecting plate 804 to move, so that the rectangular block 802 slides up and down in the through hole of the partition plate 801, the up and down movement of the rectangular block 802 changes the diameter of the drain hole 803, so as to adjust the flow of the cooling water, the flow regulating assembly 8 can adjust the flow of the cooling water in real time according to the temperature change of the template 6, ensure that the cooling process is efficient and stable, increase the flow to quickly cool down in high temperature or rapid injection molding conditions, and reduce the flow to avoid excessive cooling in low temperature or low speed conditions, and save energy;

[0033] The outer surface of the heat exchange pipe 701 is provided with a plurality of heat dissipation fins 7010, the upper surface of the heat dissipation fins 7010 abuts against the lower surface of the template 6;

[0034] The heat dissipation fins 7010 on the outer surface of the heat exchange pipe 701 further increase the contact area with the template 6, and improve the heat exchange efficiency;

[0035] The outer surface of the knob 8010 is provided with anti-skid stripes;

[0036] The anti-skid stripes increase the friction force on the surface of the knob 8010, so that the operator can easily exert force when rotating the knob 8010, and hand slippage is avoided.

[0037] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An adjustable injection molding device, comprising a worktable (1), a door panel (2) hinged to the front of the worktable (1), a connecting column (3) mounted on the upper surface of the worktable (1), an injection molding mechanism (4) mounted on the upper surface of the connecting column (3), a top mold (5) mounted on the injection output end of the injection molding mechanism (4), a template (6) provided at the lower end of the top mold (5), and the template (6) mounted on the upper surface of the worktable (1), characterized in that: A cooling structure (7) is provided between the template (6) and the workbench (1); The cooling structure (7) includes a heat exchange tube (701), which is installed on the lower surface of the template (6) by a fastener (702). A water tank (703) is installed at the bottom of the workbench (1). A cover (704) is installed at the upper end of the water tank (703). A water injection pipe (705) is installed on the upper surface of the cover (704). A water inlet pipe (706) is installed at one end of the water tank (703). A drain pipe (707) is installed at the other end of the water tank (703). Both ends of the heat exchange tube (701) extend into the interior of the workbench (1). One end of the heat exchange tube (701) is installed inside the drain pipe (707), and the other end of the heat exchange tube (701) is installed inside the water inlet pipe (706). A water pump (708) is installed at the end of the heat exchange tube (701) near the drain pipe (707). The cooling structure (7) is equipped with a flow regulation component (8).

2. The adjustable injection molding device according to claim 1, characterized in that: The flow regulating component (8) includes a partition plate (801), and a baffle (709) is provided on the inner surface of the water tank (703). The partition plate (801) is installed on the upper surface of the baffle (709) by bolts. An opening is provided on the upper surface of the partition plate (801), and a rectangular block (802) is slidably connected inside the opening. A groove is provided on the lower surface of the rectangular block (802), and a plurality of drain holes (803) are provided on the inner surface of the groove. The upper surface of the rectangular block (802) is hinged with a first connecting plate (804), the inner surface of the water tank (703) is rotatably connected with a connecting shaft (805), the outer surface of the connecting shaft (805) is fixedly installed with a second connecting plate (806), and the other end of the second connecting plate (806) is hinged to the upper end of the first connecting plate (804).

3. The adjustable injection molding device according to claim 2, characterized in that: One end of the connecting shaft (805) passes through the water tank (703) and extends outward. A gear (807) is installed at one end of the connecting shaft (805). A shell (808) is installed on the outer surface of the water tank (703). The gear (807) is located inside the shell (808).

4. An adjustable injection molding device according to claim 3, characterized in that: A worm gear (809) is rotatably connected to the inner surface of the outer shell (808). One end of the worm gear (809) passes through the outer shell (808) and is equipped with a knob (8010). The worm gear (809) is meshed with a gear (807).

5. An adjustable injection molding device according to claim 1, characterized in that: The outer surface of the heat exchange tube (701) is provided with a plurality of heat dissipation fins (7010), and the upper surface of the heat dissipation fins (7010) abuts against the lower surface of the template (6).

6. An adjustable injection molding device according to claim 4, characterized in that: The outer surface of the knob (8010) is provided with anti-slip stripes.

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