Automobile interior plastic part mold

Abstract

The utility model relates to the technical field, and discloses an automotive trim plastic part mold which comprises a rack, an upper mold, a lower mold base and a lower mold, side baffles are integrally formed on the two sides of the lower mold respectively, and an injection molding groove is formed in the top of the lower mold; according to the utility model, the output end of the servo motor drives one group of tensioning wheels to rotate, so that the other two groups of tensioning wheels synchronously rotate under the cooperation of the synchronous belt, and the two groups of reciprocating screw rods synchronously rotate, so that the dust collection plate can slide towards the waste box along the side baffle plate; the brush plate at the edge of the bottom of the dust collection plate can scrape injection molding piece disintegrating slag on the surface of the lower mold, small-particle dust can be adsorbed by the dust collection plate, splashing is avoided, large-particle disintegrating slag can be scraped into the waste box to be collected in a centralized mode, and therefore the disintegrating slag on the edge of the mold groove can be ejected out to the surface of the lower mold and then cleaned in time, and the service life of the lower mold is prolonged. And the surface of the injection molding part is prevented from being damaged and unqualified due to adhesion to the surface of the injection molding part during secondary injection molding.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile production mould, specifically is a kind of automobile interior plastic part mould. BACKGROUND

[0002] Automobile interior is the equipment and device inside automobile, and most of automobile interior production needs to use injection mould, and injection mould refers to the high-pressure injection of heated and melted plastic into mold cavity by injection molding machine, and after cooling and solidification, the shaped product is obtained.

[0003] For example, Chinese patent authorized announcement No. CN219311931U discloses an automobile interior plastic part mould, which comprises a mould base, support columns fixedly connected to the top of the mould base, and a top plate fixedly connected to the top of the support columns.

[0004] The above-mentioned comparative document realizes rapid discharging by using the ejection plate, and the product is pushed inwards after molding, the ejection plate can eject the product from the inside of the lower mould, and the product after ejection is convenient for workers to take, and after loosening the push rod, the reset spring drives the ejection block to reset, which realizes the function of convenient rapid material taking, reduces the possibility of product damage, and solves the problem of inconvenient material taking.

[0005] However, when the above-mentioned automobile interior plastic part mould is used, the injection molding parts in the mold groove are ejected from the mold groove by the top plate in the lower mold, and the broken slag on the edge of the mold groove is ejected to the surface of the lower mold, and if it is not cleaned, it will re-enter the mold groove, and will be adhered to the surface of the injection molding parts during secondary injection, causing surface damage and unqualified injection molding parts. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing an automobile interior plastic part mould, which can clean the broken slag of plastic parts in the injection molding groove, so as to ensure the cleanliness of the injection molding groove and avoid the adhesion of broken slag in the injection molding groove to the surface of the injection molding parts, causing surface damage and unqualified injection molding parts.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automobile interior plastic part mould, which comprises a rack, an upper mould, a lower mould base, a lower mould, side baffles integrally formed on both sides of the lower mould, an injection molding groove formed in the top of the lower mould, a top plate movably installed in the injection molding groove, dust absorption plates and waste boxes installed on both sides of the lower mould, a brush plate fixedly installed at the bottom edge of the dust absorption plate, sliding racks fixedly installed on both sides of the dust absorption plate, a reciprocating screw rod rotatably installed in the inner wall of the side baffle through a rotating shaft, a servo motor fixedly installed on the middle of the side of the top of the lower mould close to the dust absorption plate through a support, and a tension pulley fixedly sleeved on the rotating shaft at the end of the reciprocating screw rod on the output end of the servo motor and on both sides, and a synchronous belt is fixedly sleeved outside the tension pulley.

[0008] Preferably, the lower mold bottom is fixedly installed with a gas cylinder, and the telescopic end of the gas cylinder is fixedly connected with the bottom of the top plate, and the gas cylinder is used for jacking up the top plate.

[0009] Preferably, the upper mold and the lower mold are located on the same median line, and a lifting gas cylinder is fixedly installed at the top of the frame, and the upper mold is fixedly installed on the telescopic end of the lifting gas cylinder.

[0010] Preferably, the waste box is fixedly installed at one side edge of the lower mold, and the width of the waste box is equal to that of the lower mold, and the dust absorption plate is movably installed at the other side edge of the top of the lower mold.

[0011] Preferably, the dust absorption plate is fixedly installed with a dust collector on the back surface, and the dust collector is used for absorbing injection molding waste particles through the surface adsorption hole of the slide.

[0012] Preferably, the slide is connected with the same side reciprocating wire rod through screw thread, and the bottom surface of the slide is in abutment with the top surface of the lower mold.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a servo motor output end drives a set of tensioning wheel rotation, makes two sets of tensioning wheel synchronous rotation under the cooperation of synchronous belt, makes two sets of reciprocating wire rod synchronous rotation, thereby can make dust absorption plate slide to waste box along side baffle, can clear and scrape the injection molding piece dreg on the surface of lower mold at the bottom edge of dust absorption plate, can be adsorbed by dust absorption plate to the small particle dust, avoids splashing, can be scraped to the waste box and is concentratedly collected to the big particle dreg, can clean in time after the dreg on the edge of mould groove is pushed out to the surface of lower mold, avoids adhering on the surface of injection molding piece when secondary injection, causes the surface of injection molding piece to be damaged, is unqualified. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the lower mold structure schematic diagram in the utility model;

[0017] Figure 3 It is Figure 2 Back structure schematic diagram;

[0018] Figure 4 It is Figure 2 The local amplification structure schematic diagram of A in it;

[0019] Figure 5 It is Figure 3 The local amplification structure schematic diagram of B in it.

[0020] In the figure: 1, rack; 2, upper mold; 3, lower mold base; 4, lower mold; 5, dust absorption plate; 6, waste box; 7, servo motor; 8, synchronous belt; 40, side baffle; 41, injection slot; 42, top plate; 50, brush plate; 51, sliding frame; 52, reciprocating screw; 81, tension pulley. DETAILED DESCRIPTION

[0021] 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. The described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of automobile interior plastic part mold, including rack 1, upper mold 2, lower mold base 3, lower mold 4, lower mold 4 two sides are integrally formed with side baffle 40 respectively, lower mold 4 top is provided with injection slot 41, injection slot 41 inside movably installed with top plate 42, lower mold 4 two sides are respectively provided with dust absorption plate 5, waste box 6, dust absorption plate 5 bottom edge is fixedly installed with brush plate 50, dust absorption plate 5 two sides are respectively fixedly installed with sliding frame 51, side baffle 40 inner wall is rotatably installed with reciprocating screw 52 in middle by pivot;

[0023] Lower mold 4 top is fixedly installed with servo motor 7 in middle part near dust absorption plate 5 side, servo motor 7 output end is fixedly provided with tension pulley 81 on the end of two groups of reciprocating screw 52 pivot respectively, tension pulley 81 outside is fixedly provided with synchronous belt 8;

[0024] After upper mold 2 is retracted to the upper side of lower mold base 3 by lifting cylinder, by injection molding to injection slot 41 in lower mold 4, after cooling mechanism in lower mold base 3 is cooled to injection molding piece in injection slot 41, top plate 42 can be ejected from injection slot 41 to injection molding piece under the cooperation of cylinder, after top plate 42 is flush with the top surface of lower mold 4, injection molding piece and injection molding slag in injection slot 41 can be ejected together to the surface of lower mold 4, and the injection molding of the automobile interior plastic part mold is prior art scheme, which will not be described here.

[0025] The output end of servo motor 7 drives a group of tension pulleys 81 to rotate, so that the other two groups of tension pulleys 81 rotate synchronously under the cooperation of synchronous belt 8, so that the two groups of reciprocating screw 52 rotate synchronously, so that the dust absorption plate 5 can slide along the side baffle 40 to the waste box 6, and the brush plate 50 at the bottom edge of the dust absorption plate 5 can clean and scrape the injection molding slag on the surface of the lower mold 4, so that small particles of dust can be adsorbed by the dust absorption plate 5 to avoid splashing, and large particles of slag can be scraped into the waste box 6 for centralized collection, so that the slag on the edge of the mold groove can be cleaned in time after being ejected to the surface of the lower mold 4, to avoid adhering to the surface of the injection molding piece during secondary injection, causing surface damage and unqualified injection molding piece.

[0026] Wherein, the bottom of the lower mold 4 is fixedly installed with a cylinder, and the telescopic end of the cylinder is fixedly connected with the bottom of the top plate 42, the cylinder is used for jacking up the top plate 42, the upper mold 2 and the lower mold 4 are located on the same median line, and the top of the rack 1 is fixedly installed with a lifting cylinder, the upper mold 2 is fixedly installed on the telescopic end of the lifting cylinder, after the upper mold 2 is telescoped above the lower mold base 3 by the lifting cylinder, the injection molding groove 41 in the lower mold 4 is injection molded, after the injection molding groove 41 injection molded parts are cooled by the internal cooling mechanism of the lower mold base 3, the top plate 42 can cooperate with the cylinder to eject the injection molded parts from the injection molding groove 41.

[0027] Wherein, the waste box 6 is fixedly installed at one side edge of the lower mold 4, and the width of the waste box 6 is equal to that of the lower mold 4, the dust absorption plate 5 is movably installed at the other side edge of the top of the lower mold 4, and the back of the dust absorption plate 5 is fixedly installed with a dust collector, the dust collector adsorbs injection waste particles through the surface adsorption hole of the slide 51, the slide 51 is connected with the same side reciprocating screw rod 52 through thread, the bottom surface of the slide 51 is in abutment with the top surface of the lower mold 4, the synchronous belt 8 drives the tension pulley 81 through the transmission of the servo motor 7, so that the two groups of reciprocating screw rods 52 are synchronously rotated, so that the dust absorption plate 5 can slide along the side baffle 40 to the waste box 6, the brush plate 50 at the bottom edge of the dust absorption plate 5 can clean and scrape the injection molded parts debris on the surface of the lower mold 4, small particle dust can be adsorbed by the dust absorption plate 5, and large particle debris can be scraped into the waste box 6 for centralized collection.

[0028] Working principle: in use, after the upper mold 2 is telescoped above the lower mold base 3 by the lifting cylinder, the injection molding groove 41 in the lower mold 4 is injection molded, after the injection molding groove 41 injection molded parts are cooled by the internal cooling mechanism of the lower mold base 3, the top plate 42 can cooperate with the cylinder to eject the injection molded parts from the injection molding groove 41;

[0029] After the top plate 42 is flush with the top surface of the lower mold 4, the injection molded parts in the injection molding groove 41 can be ejected together with the injection molding debris onto the surface of the lower mold 4;

[0030] After the injection molded parts are cooled, the injection molded parts are taken down, a group of tension pulleys 81 can be driven to rotate by the output end of the servo motor 7, so that the other two groups of tension pulleys 81 are synchronously rotated under the cooperation of the synchronous belt 8, so that the two groups of reciprocating screw rods 52 are synchronously rotated, so that the dust absorption plate 5 can slide along the side baffle 40 to the waste box 6, the brush plate 50 at the bottom edge of the dust absorption plate 5 can clean and scrape the injection molded parts debris on the surface of the lower mold 4, small particle dust can be adsorbed by the dust absorption plate 5, and large particle debris can be scraped into the waste box 6 for centralized collection, so that the debris on the edge of the mold groove can be cleaned in time after being ejected onto the surface of the lower mold 4, so as to avoid being adhered to the surface of the injection molded parts during secondary injection, causing surface damage of the injection molded parts.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that the embodiments are not limiting and that changes can be made to these embodiments without departing from the principles of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automobile interior plastic part mold comprising a frame (1), an upper mold (2), a lower mold base (3), and a lower mold (4), characterized in that: The lower mold (4) is integrally formed with side baffles (40) on both sides, the top of the lower mold (4) is provided with an injection slot (41), the inside of the injection slot (41) is movably provided with a top plate (42), the lower mold (4) is provided with a dust removal plate (5) and a waste box (6) on both sides, the bottom edge of the dust removal plate (5) is fixedly provided with a brush plate (50), the both sides of the dust removal plate (5) are fixedly provided with a sliding frame (51), the inner wall of the side baffle (40) is rotatably provided with a reciprocating screw rod (52) through a rotating shaft, the top of the lower mold (4) is fixedly provided with a servo motor (7) on one side near the middle of the dust removal plate (5) through a support, the output end of the servo motor (7) is fixedly provided with a tension pulley (81) on the rotating shaft of the end of the two reciprocating screw rods (52), and the outside of the tension pulley (81) is fixedly provided with a synchronous belt (8).

2. The mold for a plastic interior part of an automobile according to claim 1, wherein: The lower mold (4) is fixedly provided with an air cylinder, and the telescopic end of the air cylinder is fixedly connected with the bottom of the top plate (42), and the air cylinder is used for jacking up the top plate (42).

3. The mold for a plastic interior part of an automobile according to claim 2, wherein: The upper mold (2) and the lower mold (4) are located on the same median line, and the top of the rack (1) is fixedly provided with a lifting air cylinder, and the upper mold (2) is fixedly provided on the telescopic end of the lifting air cylinder.

4. The mold for a plastic interior part of an automobile according to claim 3, wherein: The waste box (6) is fixedly provided on one side edge of the lower mold (4), and the width of the waste box (6) is equal to that of the lower mold (4), and the dust removal plate (5) is movably provided on the other side edge of the top of the lower mold (4).

5. The mold for a plastic interior part of an automobile according to claim 4, wherein: The back of the dust removal plate (5) is fixedly provided with a dust collector, and the dust collector is adsorbed to injection waste particles through the surface adsorption hole of the sliding frame (51).

6. The mold for a plastic interior part of an automobile according to claim 5, wherein: The sliding frame (51) is connected with the same side reciprocating screw rod (52) through threads, and the bottom surface of the sliding frame (51) abuts against the top surface of the lower mold (4).

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