Motorcycle mudguard compression molding die

Abstract

The utility model discloses a compression molding die for a motorcycle fender. The compression molding die comprises a die main body, the die main body comprises an upper die and a lower die, the upper die is provided with a cavity, and the lower die is provided with a core; an empty groove is formed in the mold core, first mounting grooves are formed in the front side and the rear side of the lower mold correspondingly, first sliding assemblies are arranged in the first mounting grooves and comprise first sliding blocks and first oil cylinders, supporting parts are arranged at one ends of the first sliding blocks in a protruding mode, the supporting parts are located in the empty groove, and the supporting parts are provided with mounting parts for installing nuts; the mounting part can be exposed out of the mold core; second installation grooves are formed in the front side and the rear side of the upper die, second sliding assemblies are arranged in the second installation grooves and comprise second sliding blocks and second oil cylinders, one ends of the second sliding blocks are provided with protruding parts used for preventing resin from entering holes of the nuts in a protruding mode, and the protruding parts can penetrate through the wall face of the cavity and stretch into the die cavity. The formed motorcycle mudguard is provided with the nut, so that the motorcycle mudguard is not easy to loosen and lose during assembly, and the assembly is more convenient.

Description

Technical Field

[0001] The utility model relates to the field technology of motorcycle mudguards, in particular to a compression molding die for motorcycle mudguards. Background Art

[0002] Motorcycle fenders are installed on the front and rear wheels of the motorcycle. Their main function is to prevent some dirt from splashing onto the body of the motorcycle or people, making the body or people unsightly. At the same time, it can prevent mud from splashing onto the tie rod and ball head, causing premature rust.

[0003] A motorcycle fender is provided with mounting holes for cooperating with the vehicle body to facilitate the installation of the motorcycle fender. In the prior art, the motorcycle fender is installed on the vehicle body by screws passing through the mounting holes and connected with nuts. Under this structure, the nut is easily vibrated and loosened from the screw and lost, thereby affecting the normal use of the motorcycle fender. In addition, the screw-nut structure requires the screw to be turned while the nut is fixed during installation, which makes the installation inconvenient. Therefore, how to improve the installation stability of the motorcycle fender and the motorcycle body and improve the assembly efficiency of the motorcycle fender are key research directions in the industry.

[0004] Therefore, it is necessary to design a new technical solution to solve the above problems. Utility Model Content

[0005] In view of this, the utility model aims to solve the deficiencies in the prior art, and its main purpose is to provide a compression molding die for a motorcycle fender, which has an empty groove in the core, and a first sliding component is arranged in the lower mold, the first sliding component is provided with a mounting portion for installing a nut, the mounting portion can be exposed from the core, and is matched with a second sliding component arranged in the upper mold, the second sliding component is provided with a convex portion for preventing the hole of the nut from entering the resin, the cooperation of the first sliding component and the second sliding component allows the nut to be buried in the mounting hole of the motorcycle fender, so that the molded motorcycle fender comes with a nut, which is not easy to loosen and lose during assembly, thereby improving the connection stability between the motorcycle fender and the motorcycle body, and making assembly more convenient.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A compression molding die for a motorcycle fender comprises a die main body; the die main body comprises an upper die and a lower die, the bottom of the upper die is concavely provided with a cavity, the top of the lower die is convexly provided with a core, the cavity and the core are constructed to form a die cavity for molding the motorcycle fender; wherein:

[0008] An empty slot is provided in the core, and first mounting slots are provided on both the front and rear sides of the lower mold. A first sliding assembly is slidably provided in the first mounting slot. The first sliding assembly includes a first slider and a first oil cylinder driving the first slider to slide in the first mounting slot. A supporting portion is convexly provided at one end of the first slider away from the first oil cylinder. The supporting portion is in the empty slot, and a mounting portion for mounting a nut is provided on the supporting portion, and the mounting portion can be exposed outside the core;

[0009] The upper mold is provided with a second mounting groove on both the front and rear sides, and a second sliding assembly is slidably arranged in the second mounting groove. The second sliding assembly includes a second slider and a second oil cylinder driving the second slider to slide in the second mounting groove. The second slider is provided with a convex portion at one end close to the cavity for preventing the hole of the nut from entering the resin. The convex portion can extend into the cavity through the wall of the cavity, so that the molded motorcycle fender has its own nut, which is not easy to loosen and lose during assembly, thereby improving the connection stability between the motorcycle fender and the motorcycle body and making assembly more convenient.

[0010] As a preferred solution, a guide piece for aligning the mounting part with the core is protruded from the bottom of the upper mold below the second slider. Correspondingly, a guide groove matching the guide piece is formed on the first slider. The guide piece can extend into the guide groove and drive the mounting part to move closer to the core. The arrangement of the guide piece and the guide groove allows the mounting part to be accurately exposed outside the core, thereby ensuring the accurate size of the motorcycle fender molding.

[0011] As a preferred solution, the bottom of the first mounting groove and the bottom of the empty groove both penetrate downwardly through the bottom of the lower mold, and the first slider is installed in the first mounting groove from bottom to top, and the bottom of the first mounting groove and the bottom of the empty groove both penetrate downwardly through the bottom of the lower mold, thereby facilitating the installation of the first slider.

[0012] As a preferred solution, two spaced-apart limit blocks for preventing the first sliding block from escaping from the first mounting groove are provided at the bottom of the first mounting groove, and correspondingly, overlapping edges for slidingly overlapping with the limit blocks are provided on both sides of the first sliding block.

[0013] As a preferred solution, the first oil cylinder is fixed to the outer wall surface of the lower mold through a first fixing block, and the second oil cylinder is fixed to the outer wall surface of the upper mold through a second fixing block.

[0014] As a preferred solution, the outer peripheral side surfaces and top surface of the upper mold are both provided with a first enclosure plate, and the outer peripheral side surfaces and bottom surface of the lower mold are both provided with a second enclosure plate.

[0015] As a preferred solution, the mold body is provided with an ejection mechanism, which includes an upper ejector plate, a lower ejector plate, a third oil cylinder and a plurality of ejector pins, the bottom of the ejector pins is arranged between the upper ejector plate and the lower ejector plate, the top of the ejector pins is exposed at the top of the core, and the third oil cylinder can drive the lower ejector plate upward to eject the ejector pins out of the core.

[0016] As a preferred solution, a top plate is provided at the top of the upper mold, a bottom plate is provided at the bottom of the lower mold, and the ejection mechanism is located between the bottom of the lower mold and the top of the bottom plate.

[0017] As a preferred solution, the periphery of the upper top plate does not exceed the periphery of the lower mold, and mounting positions protruding from the two sides of the lower mold are provided on both sides of the lower top plate, and the third oil cylinder is arranged on the mounting positions.

[0018] As a preferred solution, the top of the top plate, the outer periphery of the upper mold, the outer periphery of the lower mold, and the bottom of the bottom plate are all provided with buckles for transportation. Since the weight of the mold body is usually heavy, the buckles can be installed so that it can be lifted by a machine for transportation.

[0019] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0020] The invention mainly comprises the following steps: a slot is opened in the core, a first sliding component is arranged in the lower mold, the first sliding component is provided with a mounting portion for mounting a nut, the mounting portion can be exposed from the core, and a second sliding component is arranged in the upper mold in cooperation, the second sliding component is provided with a convex portion for preventing the hole of the nut from entering the resin, the cooperation between the first sliding component and the second sliding component enables the nut to be embedded in the mounting hole of the motorcycle fender, so that the molded motorcycle fender has its own nut, which is not easy to loosen and lose during assembly, thereby improving the connection stability between the motorcycle fender and the motorcycle body and making assembly more convenient.

[0021] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of a preferred embodiment of the utility model;

[0023] Figure 2 It is a cross-sectional view of a preferred embodiment of the utility model;

[0024] Figure 3 It is another cross-sectional view of a preferred embodiment of the utility model;

[0025] Figure 4 It is a three-dimensional schematic diagram of the upper mold of the preferred embodiment of the utility model;

[0026] Figure 5 It is a schematic diagram of the second sliding assembly of the preferred embodiment of the utility model;

[0027] Figure 6 It is a three-dimensional schematic diagram of the lower mold of the preferred embodiment of the utility model;

[0028] Figure 7 It is a schematic diagram of a first sliding assembly of a preferred embodiment of the utility model;

[0029] Figure 8 It is a three-dimensional schematic diagram of a motorcycle fender according to a preferred embodiment of the utility model.

[0030] Description of the accompanying drawings:

[0031] 10. Upper mold 11. Cavity

[0032] 12. Guide 13. Top plate

[0033] 101, second mounting groove 20, lower mold

[0034] 21. Core 22. Bottom plate

[0035] 201, empty slot 202, first installation slot

[0036] 203, limit block 30, mold cavity

[0037] 40. First sliding assembly 41. First sliding block

[0038] 411. Supporting part 412. Mounting part

[0039] 413, guide groove 414, overlapping edge

[0040] 42. First oil cylinder

[0041] 421, first fixed block 50, second sliding assembly

[0042] 51. Second sliding block 511. Protrusion

[0043] 52. Second oil cylinder 521. Second fixing block

[0044] 60. Motorcycle fender 61. Nut

[0045] 70, first enclosure 80, second enclosure

[0046] 90. Ejector mechanism 91. Upper ejector plate

[0047] 92. Lower top plate 921. Installation position

[0048] 93. Third oil cylinder 931. Action end

[0049] 94, ejector pin 100, buckle ring DETAILED DESCRIPTION

[0050] First of all, it should be noted that in the description of the present invention, the terms "up", "down", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as a limitation on the present invention.

[0051] Please refer to Figures 1 to 8 As shown, it shows the specific structure of a preferred embodiment of the utility model, including a mold body.

[0052] The mold body comprises an upper mold 10 and a lower mold 20, wherein the bottom of the upper mold 10 is concavely provided with a cavity 11, and the top of the lower mold 20 is convexly provided with a core 21, and the cavity 11 and the core 21 are constructed to form a mold cavity 30 for molding a motorcycle fender; wherein:

[0053] The core 21 is provided with an empty slot 201, and the front and rear sides of the lower mold 20 are both provided with a first mounting slot 202. A first sliding assembly 40 is slidably provided in the first mounting slot 202. The first sliding assembly 40 includes a first slider 41 and a first oil cylinder 42 that drives the first slider 41 to slide in the first mounting slot 202. A support portion 411 is convexly provided at one end of the first slider 41 away from the first oil cylinder 42. The support portion 411 is in the empty slot 201. The support portion 411 is provided with a mounting portion 412 for mounting a nut, and the mounting portion 412 can be exposed outside the core 21.

[0054] The upper mold 10 is provided with a second mounting groove 101 on both the front and rear sides, and a second sliding assembly 50 is slidably arranged in the second mounting groove 101. The second sliding assembly 50 includes a second slider 51 and a second oil cylinder 52 for driving the second slider 51 to slide in the second mounting groove 101. The second slider 51 is provided with a convex portion 511 at one end close to the cavity 11 for preventing the hole of the nut from entering the resin. The convex portion 511 can pass through the wall of the cavity 11 and extend into the cavity 30, so that the molded motorcycle fender 60 has a nut 61, which is not easy to loosen and lose during assembly, thereby improving the connection stability between the motorcycle fender and the motorcycle body and making assembly more convenient.

[0055] See also Figure 2 , Figure 4 and Figure 6As shown, a guide member 12 for aligning the mounting portion 412 with the core 21 is protruded from the bottom of the upper mold 10 below the second slider 51. Correspondingly, a guide groove 413 matching the guide member 12 is formed in the first slider 41. The guide member 12 can extend into the guide groove 413 and drive the mounting portion 412 to move closer to the core 21. The arrangement of the guide member 12 and the guide groove 413 allows the mounting portion 412 to be accurately exposed outside the core 21, thereby ensuring that the size of the motorcycle fender is accurately formed.

[0056] See also Figure 2 and Figure 7 As shown, the bottom of the first installation groove 202 and the bottom of the empty groove 201 both penetrate downwardly through the bottom of the lower mold 20, and the first slider 41 is installed in the first installation groove 202 from bottom to top. The bottom of the first installation groove 202 and the bottom of the empty groove 201 both penetrate downwardly through the bottom of the lower mold 20, which facilitates the installation of the first slider 41;

[0057] Specifically, two spaced-apart limit blocks 203 for preventing the first slider 41 from falling out of the second slider 101 are provided at the bottom of the first mounting groove 202 . Accordingly, overlapping edges 414 for slidingly overlapping with the limit blocks 203 are provided on both sides of the first slider 41 .

[0058] See also Figures 4 to 6 As shown, the first oil cylinder 42 is fixed to the outer wall surface of the lower mold 20 by the first fixing block 421, and the second oil cylinder 52 is fixed to the outer wall surface of the upper mold 10 by the second fixing block 521. The outer peripheral side surface and the top surface of the upper mold 10 are both provided with a first enclosure 70, and the outer peripheral side surface and the bottom surface of the lower mold 20 are both provided with a second enclosure 80. In this embodiment, the two first sliding assemblies 40 and the two second sliding assemblies 50 are arranged symmetrically front to back.

[0059] See also Figure 1 , Figure 6 and Figure 7 As shown, the mold body is provided with an ejection mechanism 90, and the ejection mechanism 90 includes an upper top plate 91, a lower top plate 92, a third oil cylinder 93 and a plurality of ejector pins 94, the bottom of the ejector pin 94 is arranged between the upper top plate 91 and the lower top plate 92, the top of the ejector pin 94 is exposed at the top of the core 21, and the third oil cylinder 93 can drive the lower top plate 92 to push the ejector pin 94 upward out of the core 21; specifically, the top of the upper mold 10 is provided with a top plate 13, the bottom of the lower mold 20 is provided with a bottom plate 22, the ejection mechanism 90 is located between the bottom of the lower mold 20 and the top of the bottom plate 22, the periphery of the upper top plate 91 does not exceed the periphery of the lower mold 20, and the two sides of the lower top plate 92 are provided with mounting positions 921 protruding from the two sides of the lower mold 20, the third oil cylinder 93 is arranged on the mounting position 921, and the action end 931 of the third oil cylinder 93 is clamped on the bottom plate 22.

[0060] See also Figure 1 As shown, the top of the top plate 13, the outer periphery of the upper mold 10, the outer periphery of the lower mold 20, and the bottom of the bottom plate 22 are all provided with buckles 100 for transportation. Since the weight of the mold body is usually heavy, the buckle ring 100 can be installed so that it can be lifted by a machine for transportation.

[0061] The design focus of this utility model is:

[0062] The invention mainly comprises the following steps: a slot is opened in the core, a first sliding component is arranged in the lower mold, the first sliding component is provided with a mounting portion for mounting a nut, the mounting portion can be exposed from the core, and a second sliding component is arranged in the upper mold in cooperation, the second sliding component is provided with a convex portion for preventing the hole of the nut from entering the resin, the cooperation between the first sliding component and the second sliding component enables the nut to be embedded in the mounting hole of the motorcycle fender, so that the molded motorcycle fender has its own nut, which is not easy to loosen and lose during assembly, thereby improving the connection stability between the motorcycle fender and the motorcycle body and making assembly more convenient.

[0063] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A compression molding die for a motorcycle fender, comprising a die body; characterized in that: The mold body comprises an upper mold and a lower mold, the bottom of the upper mold is concavely provided with a mold cavity, the top of the lower mold is convexly provided with a mold core, and the mold cavity and the mold core are constructed to form a mold cavity for molding a motorcycle fender; wherein: An empty slot is provided in the core, and first mounting slots are provided on both the front and rear sides of the lower mold. A first sliding assembly is slidably provided in the first mounting slot. The first sliding assembly includes a first slider and a first oil cylinder driving the first slider to slide in the first mounting slot. A supporting portion is convexly provided at one end of the first slider away from the first oil cylinder. The supporting portion is in the empty slot, and a mounting portion for mounting a nut is provided on the supporting portion, and the mounting portion can be exposed outside the core; A second mounting groove is provided on the front and rear sides of the upper mold, and a second sliding assembly is slidably arranged in the second mounting groove. The second sliding assembly includes a second slider and a second oil cylinder driving the second slider to slide in the second mounting groove. A convex portion is provided on one end of the second slider close to the cavity to prevent the resin from entering the hole of the nut, and the convex portion can extend into the mold cavity through the wall of the cavity.

2. The compression molding die for a motorcycle fender according to claim 1, characterized in that: A guide piece for aligning the mounting part with the core is protruded from the bottom of the upper mold below the second slider. Correspondingly, a guide groove matching the guide piece is formed on the first slider. The guide piece can extend into the guide groove and drive the mounting part to move closer to the core.

3. The compression molding die for a motorcycle fender according to claim 1, characterized in that: The bottom of the first installation groove and the bottom of the empty groove both penetrate downwardly through the bottom of the lower mold, and the first sliding block is installed in the first installation groove from bottom to top.

4. The compression molding die for a motorcycle fender according to claim 3, characterized in that: Two spaced-apart limiting blocks for preventing the first sliding block from escaping from the first mounting groove are disposed at the bottom of the first mounting groove. Correspondingly, overlapping edges for slidingly overlapping with the limiting blocks are disposed on both sides of the first sliding block.

5. The compression molding die for a motorcycle fender according to claim 1, characterized in that: The first oil cylinder is fixed to the outer wall surface of the lower mold through a first fixing block, and the second oil cylinder is fixed to the outer wall surface of the upper mold through a second fixing block.

6. The compression molding die for a motorcycle fender according to claim 1, characterized in that: The outer peripheral side surface and the top surface of the upper mold are both provided with a first enclosure plate, and the outer peripheral side surface and the bottom surface of the lower mold are both provided with a second enclosure plate.

7. The compression molding die for a motorcycle fender according to claim 1, characterized in that: The mold body is provided with an ejection mechanism, which includes an upper ejector plate, a lower ejector plate, a third oil cylinder and a plurality of ejector pins. The bottom of the ejector pin is arranged between the upper ejector plate and the lower ejector plate, and the top of the ejector pin is exposed at the top of the core. The third oil cylinder can drive the lower ejector plate upward to eject the ejector pin out of the core.

8. The compression molding die for a motorcycle fender according to claim 7, characterized in that: The top of the upper mold is provided with a top plate, the bottom of the lower mold is provided with a bottom plate, and the ejection mechanism is located between the bottom of the lower mold and the top of the bottom plate.

9. The compression molding die for a motorcycle fender according to claim 8, characterized in that: The periphery of the upper top plate does not exceed the periphery of the lower die, and mounting positions protruding from the two sides of the lower die are arranged on both sides of the lower top plate, and the third oil cylinder is arranged on the mounting positions.

10. The compression molding die for a motorcycle fender according to claim 8, characterized in that: The top of the top plate, the outer periphery of the upper mold, the outer periphery of the lower mold, and the bottom of the bottom plate are all provided with buckles for carrying.

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