Mould for mudguard of heavy truck

Abstract

The utility model discloses a heavy truck mudguard die which comprises a fixed die, a movable die and a movable die block, and the movable die and the movable die block are provided with two working positions. In the first working position, in a mold closing state, the fixed mold, the movable mold and the movable mold block are matched to form an injection molding cavity of a product; and at the second working position, in a mold opening state, the movable mold is separated from the fixed mold, and the movable mold block is separated from the product, so that interference during demolding of the product is avoided. The heavy truck mudguard mold is reasonable in structure, and the movable module which can interfere with a product can move and avoid during demolding by arranging the movable module, so that the requirement of integral forming of a heavy truck mudguard is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field especially relates to a heavy truck mudguard die. BACKGROUND

[0002] The Chinese patent with the publication number CN218310428U discloses a mudguard die, which comprises a die top plate and a die bottom plate, a stamping plate is welded to the middle of the lower surface of the die top plate, the lower surface of the stamping plate is respectively provided with an upper forming block and an upper forming groove, the upper surface of the die bottom plate is provided with a lower forming groove and a lower forming block, the profile of the upper forming block is opposite to that of the lower forming groove, and the profile of the upper forming groove is opposite to that of the lower forming block. The die is provided with the upper forming block, the upper forming groove, the lower forming groove and the lower forming block which are matched with the required groove structure of the mudguard; the prefabricated mudguard workpiece is placed between the die top plate and the die bottom plate, the die top plate is pressed toward the prefabricated mudguard workpiece by an external press, and the upper forming block, the upper forming groove, the lower forming groove and the lower forming block are matched to be stamped and formed; the mudguard can be formed at one time, and the bending, rib pressing and forming processes are not required, so that the time is saved and the processing efficiency of the mudguard is improved.

[0003] However, the above-mentioned mudguard die is only suitable for stamping forming process and cannot be applied to the injection molding of the mudguard.

[0004] As shown in the product, the two ends of the heavy truck mudguard opening and the side wall of one side are in a closed shape, and if integrally formed, the demolding cannot be performed in the conventional injection demolding mode. Figure 1

[0005] Therefore, it is necessary to improve the heavy truck mudguard die in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the defects in the prior art, and provides a heavy truck mudguard die, which is moved to avoid interference with the product during demolding by arranging the movable module, so as to meet the requirement of integrally forming the heavy truck mudguard.

[0007] To achieve the above technical effects, the technical scheme of the utility model is as follows: a heavy truck mudguard die, comprising a fixed die, a movable die and a movable module, the movable die and the movable module have two working positions; in the first working position: the die is closed, the fixed die, the movable die and the movable module cooperate to form an injection cavity of the product; in the second working position: the die is opened, the movable die is separated from the fixed die, and the movable module is separated from the product to avoid interference during demolding of the product.

[0008] ​According to one embodiment of the utility model, the movable die still includes first slider and second slider for forming two end opening outer walls of mudguard, the first slider and second slider are respectively located at the front and rear outer side of mudguard, the first slider and second slider are slidably connected with the fixed die seat, and the sliding direction of the first slider and second slider is perpendicular to the axial line direction of mudguard and perpendicular to the mold opening direction.

[0009] According to one embodiment of the utility model, the movable die still includes first slider and second slider for forming two end opening outer walls of mudguard, the first slider and second slider are respectively located at the front and rear outer side of mudguard, the first slider and second slider are slidably connected with the fixed die seat, and the sliding direction of the first slider and second slider is perpendicular to the axial line direction of mudguard and perpendicular to the mold opening direction.

[0010] According to one embodiment of the utility model, the fixed die includes fixed die seat, two outer circumferential seats fixedly connected with the fixed die seat, and the two outer circumferential seats are separately arranged at the two sides of mudguard;The fixed die seat is provided with first accommodating groove for accommodating the side wall slider, and the outer circumferential seat is provided with second accommodating groove for accommodating the side wall slider and first slider or second slider.

[0011] According to one embodiment of the utility model, the movable die still includes straight ejector for ejecting product after mold opening, the straight ejector is used for forming the arc inner wall of mudguard, the straight ejector is slidably connected with the movable die seat, and the sliding direction of the straight ejector is parallel to the mold opening direction.

[0012] According to one embodiment of the utility model, the movable die still includes first inclined ejector and second inclined ejector for forming the front and rear inner walls of mudguard, the first inclined ejector and second inclined ejector are respectively located at the front and rear inner side of mudguard, the first inclined ejector and second inclined ejector are slidably connected with the straight ejector, and the sliding direction of the first inclined ejector and second inclined ejector is perpendicular to the axial line direction of mudguard and perpendicular to the mold opening direction with the straight ejector as reference.

[0013] According to one embodiment of the utility model, the guide seat is provided with guide inclined surface slidably matched with the first inclined ejector and second inclined ejector.

[0014] According to one embodiment of the utility model, the movable die seat is fixedly provided with several inclined guide columns, and the first inclined ejector and second inclined ejector are provided with inclined guide holes slidably matched with the inclined guide columns.

[0015] According to one embodiment of the utility model, the fixed die seat, outer circumferential seat, first slider, second slider and side wall slider are matched to form outer die, the straight ejector and the first inclined ejector and second inclined ejector are matched to form inner die, and the inner die and the outer die are matched to form the injection cavity in the first working position.

[0016] According to one embodiment of the utility model, the opening and closing mold direction of movable mold is horizontally arranged, the sliding direction of side wall sliding block is vertically arranged, and the side wall sliding block is arranged below the mud guard.

[0017] According to one embodiment of the utility model, the contact surface of movable mold and fixed mold is fixedly provided with several wear plates.

[0018] According to one embodiment of the utility model, the movable mold or the fixed mold is provided with a protrusion or a recess for mounting position of shaped product.

[0019] According to one embodiment of the utility model, the outer wall of fixed mold is provided with a guide groove for opening and closing mold guiding.

[0020] The utility model discloses the advantages and beneficial effects are: the utility model discloses heavy truck mud guard mold structure is reasonable, through setting up movable module, and the movable module that will interfere with product is moved to avoid when demolding, thereby guaranteeing the demand of heavy truck mud guard integrated molding. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic diagram of the product of heavy truck mud guard mold embodiment of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the product of heavy truck mud guard mold embodiment of the utility model;

[0023] Figure 3 It is Figure 2 The explosion schematic diagram of;

[0024] Figure 4 It is the structure schematic diagram of fixed mold;

[0025] Figure 5 It is the structure schematic diagram of movable mold, and also the state schematic diagram (omitting product) of movable mold in step S1;

[0026] Figure 6 It is the state schematic diagram (omitting product) of movable mold in step S2;

[0027] Figure 7 It is the state schematic diagram (omitting product) of movable mold in step S3;

[0028] Figure 8 It is the state schematic diagram (omitting product) of straight top and first inclined top second inclined top in step S4;

[0029] Figure 9 It is the explosion schematic diagram of movable module and product;

[0030] Figure 10 is an explosion schematic view of the activity module;

[0031] In the figure: 1, fixed mold; 11, fixed mold base; 12, outer peripheral seat; 13, first accommodating groove; 14, second accommodating groove; 15, guide groove; 2, movable mold; 21, movable mold base; 22, guide seat; 23, guide inclined surface; 24, wear plate; 3, side wall slider; 4, first slider; 5, second slider; 6, straight ejector pin; 7, first inclined ejector pin; 71, movable block; 8, second inclined ejector pin; 9, inclined guide hole; a, fender; a1, reinforcing rib. DETAILED DESCRIPTION

[0032] The specific embodiments of the utility model will be further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot be used to limit the protection scope of the utility model. Embodiment

[0033] As Figures 1-9 shown, the heavy truck fender mold of the embodiment includes a fixed mold 1, a movable mold 2 and an activity module, the movable mold 2 and the activity module have two working positions; in the first working position: the mold closing state, the fixed mold 1, the movable mold 2 and the activity module cooperate to form the injection cavity of the product; in the second working position: the mold opening state, the movable mold 2 is separated from the fixed mold 1, and the activity module is separated from the product, avoiding the interference of the activity module to the demolding of the fender a.

[0034] Through such design, when the mold is closed for injection molding, the movable mold 2, the activity module and the fixed mold 1 cooperate to form the injection cavity, so as to injection mold the fender a; when the mold is opened after the fender a is injection molded, the activity module is separated from the fender a, avoiding the interference of the activity module to the demolding of the fender a.

[0035] According to one embodiment of the utility model, the movable mold 2 includes a movable mold base 21 and a guide seat 22 fixedly connected with the movable mold base 21, the activity module includes a side wall slider 3 for forming the outer side wall of the outer side of the fender, the side wall slider 3 is slidably connected with the guide seat 22, and the sliding direction of the side wall slider 3 is parallel to the axial direction of the fender.

[0036] Through such design, the side wall slider 3 can form the outer side wall of the fender a towards the outer side of the vehicle body, and after the fender a is injection molded, the side wall slider 3 is separated from the fender a, avoiding the interference of the side wall slider 3 to the demolding of the fender a.

[0037] According to one embodiment of the utility model, the movable module further includes first slider 4 and second slider 5 for forming the two end opening outer walls of the fender, the first slider 4 and the second slider 5 are respectively located on the front and rear outer sides of the fender, the first slider 4 and the second slider 5 are slidably connected with the movable die seat 21, and the sliding direction of the first slider 4 and the second slider 5 is perpendicular to the axial line direction of the fender and perpendicular to the mold opening direction.

[0038] Through the design, the first slider 4 and the second slider 5 can form the opening outer wall of the fender a, the first slider 4 and the second slider 5 are separated from the fender a, and the interference of the first slider 4 and the second slider 5 on the demolding of the fender a is avoided.

[0039] According to one embodiment of the utility model, the fixed die 1 includes a fixed die seat 11, two outer peripheral seats 12 fixedly connected with the fixed die seat 11, and the two outer peripheral seats 12 are separately arranged on the two sides of the fender;The fixed die seat 11 is provided with a first accommodating groove 13 for accommodating the side wall slider 3, and the outer peripheral seat 12 is provided with a second accommodating groove 14 for accommodating the side wall slider 3, the first slider 4 or the second slider 5.

[0040] Through the design, the fixed die seat 11, the outer peripheral seat 12, the first slider 4, the second slider 5 and the side wall slider 3 cooperatively form the outer mold of the injection molding cavity, and the fixed die seat 11, the outer peripheral seat 12, the first slider 4, the second slider 5 and the side wall slider 3 are all provided with a mold groove for forming the outer wall of the product.

[0041] According to one embodiment of the utility model, the movable module further includes a straight ejector 6 for ejecting the product after mold opening, the straight ejector 6 is used for forming the arc inner wall of the fender, the straight ejector 6 is slidably connected with the movable die seat 21, and the sliding direction of the straight ejector 6 is parallel to the mold opening direction.

[0042] Through the design, the straight ejector 6 can eject the fender a and separate from the movable die seat 21, which is convenient for subsequent mechanical hand grabbing.

[0043] According to one embodiment of the utility model, the movable module further includes a first inclined ejector 7 and a second inclined ejector 8 for forming the front and rear inner walls of the fender, the first inclined ejector 7 and the second inclined ejector 8 are respectively located on the front and rear inner sides of the fender, the first inclined ejector 7 and the second inclined ejector 8 are both slidably connected with the straight ejector 6, and the sliding direction of the first inclined ejector 7 and the second inclined ejector 8 is perpendicular to the axial line direction of the fender and perpendicular to the mold opening direction.

[0044] Through the design, the first inclined ejector pin 7 and the second inclined ejector pin 8 are connected to the straight ejector pin 6, when the straight ejector pin 6 is ejected, the first inclined ejector pin 7 and the second inclined ejector pin 8 are synchronously ejected and close to each other, and are separated from the fender a, so that the front and rear walls of the fender a are exposed, and the mechanical hand is convenient to grab.

[0045] According to one embodiment of the utility model, the guide seat 22 is provided with a guide inclined surface 23 which is in sliding cooperation with the first inclined ejector pin 7 and the second inclined ejector pin 8.

[0046] Through the design, the sliding of the first inclined ejector pin 7 and the second inclined ejector pin 8 can be guided.

[0047] According to one embodiment of the utility model, the movable die seat 21 is fixedly provided with a plurality of inclined guide columns, and the first inclined ejector pin 7 and the second inclined ejector pin 8 are provided with inclined guide holes 9 which are in sliding cooperation with the inclined guide columns.

[0048] Through the design, without applying other power sources to the first inclined ejector pin 7 and the second inclined ejector pin 9, when the straight ejector pin 6 is ejected, the first inclined ejector pin 7 and the second inclined ejector pin 8 connected with the straight ejector pin 6 are synchronously ejected, under the guidance of the inclined guide columns, the first inclined ejector pin 7 and the second inclined ejector pin 8 synchronously close to and shrink, and are separated from the fender a; when resetting, the straight ejector pin 6 is pulled back, the first inclined ejector pin 7 and the second inclined ejector pin 8 connected with the straight ejector pin 6 are synchronously pulled back, under the guidance of the inclined guide columns, the first inclined ejector pin 7 and the second inclined ejector pin 8 synchronously move away and reset.

[0049] According to one embodiment of the utility model, the fixed die seat 11, the outer peripheral seat 12, the first sliding block 4, the second sliding block 5 and the side wall sliding block 3 cooperate to form an outer mold, and the straight ejector pin 6 cooperates with the first inclined ejector pin 7 and the second inclined ejector pin 8 to form an inner mold, and under the first working position, the inner mold cooperates with the outer mold to form the injection cavity.

[0050] According to one embodiment of the utility model, the opening and closing directions of the movable die 2 are horizontally arranged, the sliding directions of the side wall sliding block 3 are vertically arranged, and the side wall sliding block 3 is arranged below the fender.

[0051] Through the design, due to the heavy weight of the side wall sliding block 3, which can reach 3 tons, if a conventional vertical demolding mode is adopted, the sliding of the side wall sliding block 3 will cause excessive pressure on the fixed die, affecting the service life of the mold; therefore, the horizontal opening and closing mode is adopted, the moving direction of the side wall sliding block 3 is vertical, and the oil cylinder drives and supports the side wall sliding block 3.

[0052] According to one embodiment of the utility model, the contact surface between the movable die 2 and the fixed die 1 is fixedly provided with a plurality of wear-resistant plates 24.

[0053] By such design, the die-closing impact influences the service life of the movable die 2 and the fixed die 1.

[0054] According to an embodiment of the present application, the movable die 2 or the fixed die 1 is provided with a protrusion or a groove for mounting the product.

[0055] According to an embodiment of the present application, the outer wall of the fixed die 1 is provided with a guide groove 15 for guiding the mold opening and closing.

[0056] According to an embodiment of the present application, the fender a is provided with a reinforcing rib a1, the first inclined ejector 7 is movably provided with a movable block 71 for forming the reinforcing rib, and the sliding direction of the movable block 71 is referenced to the reinforcing rib, i.e. parallel to the extension direction of the reinforcing rib a1.

[0057] The mold opening method of the heavy truck fender mold comprises the following steps: S1, the movable die 2 is away from the fixed die 1, and the mold is opened; S2, the side wall sliding block 3 is lowered and separated from the product; S3, the first sliding block 4 and the second sliding block 5 are away from each other and separated from the product; S4, the straight ejector 6 drives the product to be ejected, and the first inclined ejector 7 and the second inclined ejector 8 connected with the straight ejector 6 are guided by the inclined guide pillar to slide towards each other and are separated from the product; S5, the mechanical hand takes down the product from the straight ejector 6.

[0058] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A heavy duty fender mold characterized by, It includes a fixed mold (1), a moving mold (2) and an active module, wherein the moving mold (2) and the active module have two working positions; In the first working position: in the mold closing state, the fixed mold (1), the moving mold (2), and the movable module cooperate to form the injection cavity of the product; In the second working position: in the mold opening state, the moving mold (2) is separated from the fixed mold (1), and the active module is separated from the product to avoid interference when the product is demolded.

2. The heavy duty truck fender mold of claim 1, wherein, The moving mold (2) includes a moving mold base (21) and a guide seat (22) fixedly connected to the moving mold base (21). The moving module includes a side wall slider (3) for forming the outer side wall of the mudguard (a). The side wall slider (3) is slidably connected to the guide seat (22). The sliding direction of the side wall slider (3) is parallel to the axis of the mudguard (a).

3. The heavy duty truck fender mold of claim 2, wherein, The active module also includes a first slider (4) and a second slider (5) for forming the outer walls of the two end openings of the mudguard (a). The first slider (4) and the second slider (5) are located on the front and rear outer sides of the mudguard (a), respectively. The first slider (4) and the second slider (5) are slidably connected to the moving mold base (21). The sliding direction of the first slider (4) and the second slider (5) is perpendicular to the axis of the mudguard (a) and perpendicular to the mold opening direction.

4. The heavy duty truck fender mold of claim 3, wherein, The fixed mold (1) includes a fixed mold base (11) and two outer peripheral seats (12) fixedly connected to the fixed mold base (11). The two outer peripheral seats (12) are respectively disposed on both sides of the mudguard (a). The fixed mold base (11) is provided with a first receiving groove (13) for accommodating the side wall slider (3), and the outer peripheral seats (12) are provided with a second receiving groove (14) for accommodating the side wall slider (3) and the first slider (4) or the second slider (5).

5. The heavy duty truck fender mold of claim 4, wherein, The active module also includes a straight ejector (6) for ejecting the product after mold opening. The straight ejector (6) is used to form the arc inner wall of the mudguard (a). The straight ejector (6) is slidably connected to the moving mold base (21). The sliding direction of the straight ejector (6) is parallel to the mold opening direction.

6. The heavy duty truck fender mold of claim 5, wherein, The active module also includes a first inclined top (7) and a second inclined top (8) for forming the front and rear inner walls of the mudguard (a). The first inclined top (7) and the second inclined top (8) are located on the front and rear inner sides of the mudguard (a), respectively. The first inclined top (7) and the second inclined top (8) are slidably connected to the straight top (6). The sliding direction of the first inclined top (7) and the second inclined top (8) is with reference to the straight top (6), that is, perpendicular to the axis of the mudguard (a) and perpendicular to the mold opening direction.

7. The heavy duty truck fender mold of claim 6, wherein, The guide seat (22) is provided with a guide slope (23) that slides with the first inclined top (7) and the second inclined top (8).

8. The heavy duty truck fender mold of claim 7, wherein, The moving mold base (21) is fixedly provided with a number of inclined guide pillars, and the first inclined top (7) and the second inclined top (8) are provided with inclined guide holes (9) that slide with the inclined guide pillars.

9. The heavy duty truck fender mold of claim 8, wherein, The fixed mold base (11), the outer periphery base (12), the first sliding block (4), the second sliding block (5) and the side wall sliding block (3) cooperate to form an outer mold, and the straight top (6) cooperates with the first inclined top (7) and the second inclined top (8) to form an inner mold. In the first working position, the inner mold cooperates with the outer mold to form the injection cavity.

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