Internal parting type automobile front bumper mold

Abstract

The internal parting type automobile front bumper mold comprises a lower injection mold body, a positioning mounting seat is fixedly mounted on the upper end face of the lower injection mold body, a flow guide demolding seat is mounted on the upper end face of the positioning mounting seat, and two mounting connecting grooves are formed in the inner side of the bottom end of the flow guide demolding seat; the upper end of the positioning mounting seat is inserted into the inner side of the mounting connecting groove, a front bumper main body is mounted on one side of the positioning mounting seat, and an engine cover connecting edge strip is arranged on the side edge of the front bumper main body; three flow guide bases are installed on the upper end face of the flow guide demolding base, a material injection rod is installed on the upper end face of each flow guide base, a temperature increasing rod is arranged on the inner side of each material injection rod, a pouring base is installed on one side of each flow guide base, and an exhaust rod is installed on one side of each pouring base. According to the bumper demolding device, the bumper is subjected to single-side pushing operation, rapid demolding of the bumper is achieved, and deformation of the bumper during demolding is effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of moulds, in particular to an internal parting mould for a front bumper of an automobile. Background Art

[0002] Injection molding is also called injection molding. It is a molding method that combines injection and molding. The completely molten plastic material is injected into the mold cavity of the injection mold with high pressure, and the molded product is obtained after cooling and solidification. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. When the front bumper of the car is injection molded, it is necessary to use an injection mold for one-piece molding.

[0003] Patent No. CN201922038687.9 automobile bumper injection mold uses a reduction motor to drive the connecting plate to change the angle, and the connection shaft and the guide tube cooperate with the ejector column to solve the problem of poor smoothness of bumper product ejection, and the bumper is ejected obliquely in a single direction during the bumper ejection process, which is easy to damage the bumper product. However, it is easy to cause deformation when demolding the bumper, and the demolding efficiency is not high; therefore, it does not meet the existing needs. We propose an internal parting automobile front bumper mold. Summary of the invention

[0004] The object of the present invention is to provide an internally split automobile front bumper mold to solve the problems mentioned in the above background technology that the bumper is easily deformed when demoulding and the demoulding efficiency is low.

[0005] To achieve the above object, the present invention provides the following technical solutions: an internal splitting automobile front bumper mold, comprising an injection lower mold, a positioning mounting seat is fixedly mounted on the upper end surface of the injection lower mold, a flow guide demolding seat is mounted on the upper end surface of the positioning mounting seat, two mounting connection grooves are arranged on the inner side of the bottom end of the flow guide demolding seat, the upper end of the positioning mounting seat is plugged into the inner side of the mounting connection groove, a front bumper body is mounted on one side of the positioning mounting seat, and a hood connecting side strip is arranged on the side of the front bumper body;

[0006] Three guide seats are installed on the upper end surface of the guide demolding seat, an injection rod is installed on the upper end surface of the guide seat, a heating rod is provided on the inner side of the injection rod, a pouring seat is installed on one side of the guide seat, an exhaust rod is installed on one side of the pouring seat, a guide slide is slidably connected to the inner side of the pouring seat, two transmission rods are fixedly installed on one side of the guide demolding seat, and one end of the transmission rod is slidably connected to the demolding guide seat.

[0007] Preferably, the injection lower mold is connected and fixed to the positioning mounting seat by screws, the guide slide plate and the demoulding guide seat are both fixedly connected and fixed to the positioning mounting seat, a slide groove is provided on the inner side of the casting seat, and the guide slide plate is arranged on the inner side of the slide groove.

[0008] Preferably, an injection upper mold is provided above the injection lower mold, the bottom end of the injection rod passes through the injection upper mold and is connected to the guide seat by a thread, a guide channel is provided inside the guide seat, and the injection rod is connected to the casting seat through the guide channel.

[0009] Preferably, the exhaust rod is connected to the guide demoulding seat by threads, and an exhaust hole is provided inside the exhaust rod, and the exhaust hole is through-connected with the inside of the casting seat.

[0010] Preferably, a curved guide bar is provided on one side of the demoulding guide seat close to the transmission rod, one end of the transmission rod is sleeved on the outer side of the curved guide bar, and the transmission rod and the demoulding guide seat are slidably connected via the curved guide bar.

[0011] Preferably, the front bumper body is covered on the upper end surface of the lower injection mold and is connected to the deflector demoulding seat through the hood connecting edge strip, and the front bumper body and the hood connecting edge strip are integrally injection molded.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention closes the molds and forms an injection cavity through an injection lower mold, a positioning mounting seat, a flow guide demoulding seat and an injection upper mold. The hot melt clinker is transported to the inside of the pouring seat through the flow guide channel provided inside the flow guide seat by an injection rod, and then the injection cavity can be injection molded synchronously through the three pouring seats. The injection molding position is located in the area where the front bumper of the car connects to the hood, so that the product is easy to make, the production efficiency is increased, the product size control is more accurate, and the precision is high;

[0014] 2. The present invention drives the transmission rod to separate the deflector demoulding seat from the positioning mounting seat, and a curved guide strip is provided on one side of the demoulding guide seat, so that the transmission rod drives the deflector demoulding seat and the pouring seat to push the engine hood connecting edge strip under the synchronous guiding action of the guide slide plate through the guidance of the curved guide strip, thereby facilitating the rapid demoulding operation of the front bumper body and the injection lower mold, effectively avoiding the deformation of the front bumper, and achieving the advantages of easy demoulding; small product deformation and beautiful appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is a rear side view of the front bumper body of the present invention;

[0017] Figure 3 It is a schematic structural diagram of the flow guide demoulding seat of the present invention;

[0018] Figure 4 It is a rear side view of the flow guide demoulding seat of the present invention.

[0019] In the figure: 1. Injection mold; 2. Front bumper body; 3. Hood connecting strip; 4. Positioning mounting seat; 5. Transmission rod; 6. Demolding seat; 7. Pouring seat; 8. Injection rod; 9. Demolding guide seat; 10. Heating rod; 11. Guide slide plate; 12. Exhaust rod; 13. Demolding seat; 14. Installation connecting groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figures 1 to 4 , an embodiment provided by the present invention: an internal splitting automobile front bumper mold, comprising an injection molding lower mold 1, a positioning mounting seat 4 is fixedly mounted on the upper end surface of the injection molding lower mold 1, a flow guide demolding seat 6 is mounted on the upper end surface of the positioning mounting seat 4, two mounting connection grooves 14 are arranged on the inner side of the bottom end of the flow guide demolding seat 6, the upper end of the positioning mounting seat 4 is plugged into the inner side of the mounting connection groove 14, a front bumper body 2 is mounted on one side of the positioning mounting seat 4, a hood connecting strip 3 is arranged on the side of the front bumper body 2, the front bumper body 2 is covered on the upper end surface of the injection molding lower mold 1 and connected to the flow guide demolding seat 6 through the hood connecting strip 3, the front bumper body 2 and the hood connecting strip 3 are integrally injection molded, the injection molding lower mold 1, the positioning mounting seat 4, the flow guide demolding seat 6 and the injection molding upper mold are molded together to form an injection molding cavity, so as to realize the integral injection molding of the front bumper body 2 and the hood connecting strip 3;

[0022] Three guide seats 13 are installed on the upper end surface of the guide demolding seat 6, and an injection rod 8 is installed on the upper end surface of the guide seat 13. A warming rod 10 is provided on the inner side of the injection rod 8, and a pouring seat 7 is installed on one side of the guide seat 13. An injection upper mold is provided above the injection lower mold 1, and the bottom end of the injection rod 8 passes through the injection upper mold and is connected to the guide seat 13 by a thread. A guide channel is provided inside the guide seat 13, and the injection rod 8 is connected with the pouring seat 7 through the guide channel. The hot melt clinker is transported to the inside of the pouring seat 7 through the guide channel provided inside the guide seat 13 by the injection rod 8, and then the injection cavity can be injection molded synchronously through the three pouring seats 7.

[0023] See also Figure 3 to Figure 4An exhaust rod 12 is installed on one side of the pouring seat 7. The exhaust rod 12 is connected to the flow guide demoulding seat 6 by threads. An exhaust hole is arranged inside the exhaust rod 12. The exhaust hole is connected to the inside of the pouring seat 7. The exhaust rod 12 can be used to exhaust the gas inside the injection cavity during the injection molding process to keep the injection molding fast and the product full.

[0024] The inner side of the casting seat 7 is slidably connected with a guide slide plate 11, and one side of the guide demoulding seat 6 is fixedly installed with two transmission rods 5, one end of the transmission rod 5 is slidably connected with a demoulding guide seat 9, the injection lower mold 1 and the positioning mounting seat 4 are connected and fixed by screws, and the demoulding guide seat 9 is provided with a curved guide strip on the side close to the transmission rod 5, one end of the transmission rod 5 is sleeved on the outer side of the curved guide strip, the transmission rod 5 and the demoulding guide seat 9 are slidably connected through the curved guide strip, the guide slide plate 11 and the demoulding guide seat 9 are both fixedly connected and fixed to the positioning mounting seat 4, a slide groove is provided on the inner side of the casting seat 7, and the guide slide plate 11 is arranged on the inner side of the slide groove, so that the transmission rod 5 drives the guide demoulding seat 6 and the casting seat 7 to push the hood connecting side strip 3 under the synchronous guiding action of the guide slide plate 11 through the guidance of the curved guide strip, thereby facilitating the rapid demoulding operation of the front bumper body 2 and the injection lower mold 1.

[0025] When using the automobile front bumper mold, the injection molding lower mold 1 is fixedly connected to the positioning mounting seat 4, so that the flow guide demolding seat 6 is placed on the upper end surface of the positioning mounting seat 4, and the guide slide plate 11 and the demolding guide seat 9 are fixedly connected to the positioning mounting seat 4, so that the flow guide demolding seat 6 is slidably connected to the guide slide plate 11 and the demolding guide seat 9 respectively through the pouring seat 7 and the transmission rod 5, and the power is turned on. An injection molding upper mold is provided above the injection molding lower mold 1, so that the injection molding lower mold 1, the positioning mounting seat 4, the flow guide demolding seat 6 and the injection molding upper mold are molded together to form an injection molding cavity, and the bottom end of the injection rod 8 passes through the injection molding upper mold and is connected to the flow guide seat 13 through a thread, and a flow guide channel is provided inside the flow guide seat 13, so that the injection rod 8 and the pouring seat 7 are connected through the flow guide channel, and the hot melt clinker is passed through the flow guide channel provided inside the flow guide seat 13 through the injection rod 8 It is transported to the interior of the casting seat 7, and then the three casting seats 7 can synchronously perform injection molding on the injection cavity, so as to realize the integrated injection molding operation of the front bumper body 2 and the hood connecting edge strip 3. An exhaust hole is provided on the inner side of the exhaust rod 12, and the exhaust hole is connected with the casting seat 7, and then the gas inside the injection cavity during the injection molding process can be discharged through the exhaust rod 12, so as to maintain the rapid injection molding and the fullness of the product. After the injection molding is completed, the guide demolding seat 6 can be separated from the positioning mounting seat 4 by driving the transmission rod 5, and a curved guide strip is provided on one side of the demolding guide seat 9, so that the transmission rod 5 drives the guide demolding seat 6 and the casting seat 7 to push the hood connecting edge strip 3 under the synchronous guiding action of the guide slide plate 11 through the guidance of the curved guide strip, so as to facilitate the rapid demolding operation of the front bumper body 2 and the injection lower mold 1.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An internal splitting automobile front bumper mold, comprising an injection lower mold (1), characterized in that: A positioning mounting seat (4) is fixedly mounted on the upper end surface of the injection lower mold (1), a deflector demoulding seat (6) is mounted on the upper end surface of the positioning mounting seat (4), two mounting connection grooves (14) are arranged on the inner side of the bottom end of the deflector demoulding seat (6), the upper end of the positioning mounting seat (4) is plugged into the inner side of the mounting connection groove (14), a front bumper body (2) is mounted on one side of the positioning mounting seat (4), and a hood connecting side strip (3) is arranged on the side of the front bumper body (2); The upper end surface of the flow guide demoulding seat (6) is equipped with three flow guide seats (13), the upper end surface of the flow guide seat (13) is equipped with an injection rod (8), one side of the flow guide seat (13) is equipped with a pouring seat (7), one side of the pouring seat (7) is equipped with an exhaust rod (12), the inner side of the pouring seat (7) is slidably connected with a guide slide plate (11), one side of the flow guide demoulding seat (6) is fixedly equipped with two transmission rods (5), one end of the transmission rod (5) is slidably connected with a demoulding guide seat (9).

2. The inner-parting automobile front bumper mold according to claim 1, characterized in that: The lower injection mold (1) is connected and fixed to the positioning mounting seat (4) by means of screws, the guide slide plate (11) and the demoulding guide seat (9) are both fixedly connected and fixed to the positioning mounting seat (4), a slide groove is provided on the inner side of the casting seat (7), and the guide slide plate (11) is arranged on the inner side of the slide groove.

3. The inner-parting automobile front bumper mold according to claim 1, characterized in that: An injection upper mold is provided above the injection lower mold (1); the bottom end of the injection rod (8) passes through the injection upper mold and is connected to the flow guide seat (13) by means of a thread; a flow guide channel is provided inside the flow guide seat (13); the injection rod (8) is connected to the casting seat (7) by means of the flow guide channel.

4. The inner-parting automobile front bumper mold according to claim 1, characterized in that: The exhaust rod (12) is connected to the flow-guiding demoulding seat (6) via threads, and an exhaust hole is provided inside the exhaust rod (12), and the exhaust hole is connected to the inside of the pouring seat (7).

5. The inner-parting automobile front bumper mold according to claim 1, characterized in that: A curved guide bar is provided on one side of the demoulding guide seat (9) close to the transmission rod (5), one end of the transmission rod (5) is sleeved on the outer side of the curved guide bar, and the transmission rod (5) and the demoulding guide seat (9) are slidably connected via the curved guide bar.

6. The inner-parting automobile front bumper mold according to claim 1, characterized in that: The front bumper body (2) is coated on the upper end surface of the lower injection mold (1) and is connected to the deflector demoulding seat (6) via the hood connecting strip (3); the front bumper body (2) and the hood connecting strip (3) are integrally injection molded.

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