Multi-cavity corner connecting die for mudguard

Abstract

The utility model relates to a forming die, concretely relates to a kind of fender strip multi-cavity joint angle die;Including upper die, lower die and base, lower die is located on the base, lower die is equipped with lower die cavity in, there is glue injection channel and multiple forming die columns in lower die cavity, multiple forming die columns are all communicated to the glue injection channel;Lower die two ends are respectively inlaid with a embedded block, the outer end of embedded block is equipped with clamping mechanism, clamping mechanism includes first pusher and second pusher, the bottom of first pusher and the bottom of second pusher are connected with rack plate, rack plate one end is equipped with rack, and rack plate rack is engaged with driving gear, and driving gear is equipped with driving hinge seat on the upper gear face of driving gear;Forming die column includes sleeve column section, forming section and edge collection section in turn, and forming section bottom is fixedly arranged through support, and there is gap between sleeve column section bottom and the lower die cavity, and edge collection section is a slope.The fender strip multi-cavity joint angle die of the scheme has the advantages of high production efficiency, easy to disassemble and maintain.

Description

Technical Field

[0001] This utility model relates to a molding die, specifically to a multi-cavity corner joint die for mudguard strips. Background Technology

[0002] Mudguards are hollow tubular structures made of rubber. Their ends need to be machined into corner structures. Usually, the main structure of the mudguard is first machined and formed, then one end of the mudguard is placed into a mold, and then the corner structure is formed by secondary forming of one end of the mudguard. The existing corner forming mold is processed one by one, which has low processing efficiency and its mold structure is relatively complex, requiring high maintenance and disassembly procedures. Utility Model Content

[0003] The present invention aims to provide a multi-cavity corner mold for mudguard strips that improves production efficiency and facilitates maintenance and repair.

[0004] The multi-cavity corner mold for mudguard strips in this solution includes an upper mold, a lower mold, and a base. The lower mold is mounted on the base and has a lower mold cavity. The lower mold cavity contains an injection channel and multiple molding pillars, all of which are connected to the injection channel. An insert is embedded at each end of the lower mold, and each insert has a clamping mechanism at its outer end. The clamping mechanism includes a first pusher and a second pusher. A rack plate is connected between the bottom of the first pusher and the bottom of the second pusher. One end of the rack plate has a rack, and a drive gear meshes with the rack. A drive hinge is provided on the upper gear surface of the drive gear. Each molding pillar sequentially includes a sleeve section, a molding section, and a finishing section. The bottom of the molding section is fixed by a support. There is a gap between the bottom of the sleeve section and the lower mold cavity. The finishing section is an inclined surface. The upper mold has an injection hole that connects to the injection channel.

[0005] The upper mold is installed on the glue injection equipment, and its injection hole is connected to the melt delivery pipeline. When the glue injection process starts, the lower mold is pressed down by the drive device of the glue injection equipment to fit with the upper mold. Molten rubber enters the lower mold cavity through the injection hole and flows through the glue injection channel to each forming mold post, contacting the edge of the mudguard strip fitted on the forming mold post to form the joint of the mudguard strip. The lower mold is fixed to the base by the insert and clamping mechanism. Specifically, the first pusher and the second pusher act on the insert to fix the lower mold, and the first pusher and the second pusher move in linkage through the rack plate to adjust the position of the lower mold to fit the upper mold. The sleeve section of the forming mold post is used to fit the hollow mudguard strip. The inclined surface of the forming section and the edge closing section is connected to the glue injection channel to form the joint and close the opening.

[0006] Furthermore, each of the inserts is provided with an extension arm at both ends, which extends into the middle of the lower mold cavity. One molding post is fixedly mounted on each extension arm, and the two molding posts on each insert are arranged opposite to each other. The molding posts can be easily removed through the inserts, facilitating mold maintenance, cleaning, and repair.

[0007] Furthermore, the insert includes an upper pressure plate and a lower base. The lower base is disposed within the lower mold cavity, and the extension arms are located at both ends of the lower base. The upper pressure plate is fixedly disposed on the upper surface of the lower base. The insert is configured as an upper and lower assembly type, which allows for better fixation and convenient disassembly.

[0008] Furthermore, the base has a sliding groove extending through both ends, the rack plate is disposed in the sliding groove, the lower mold is located above the middle part of the rack plate, and the first push seat and the second push seat are respectively fixedly disposed at both ends of the rack plate.

[0009] Furthermore, the upper surface of the lower base is provided with an upwardly protruding positioning pin and a downwardly recessed positioning groove. The positioning pin and positioning groove facilitate the installation of the upper pressure plate to fix the lower base.

[0010] Furthermore, the upper pressure plate is provided with a strip-shaped hole, and the upper pressure plate is fixedly connected to the lower base through screws installed in the strip-shaped hole.

[0011] Furthermore, the upper surface of the lower mold end is provided with multiple positioning platforms, and the lower surface of the insert is provided with multiple positioning cavities accordingly.

[0012] Furthermore, the lower surface of the insert is provided with multiple positioning posts, and the upper surface of the lower mold is provided with multiple positioning holes accordingly.

[0013] The advantages of this utility model are: This multi-cavity corner mold for mudguard strips, by setting inserts at both ends of the lower mold and using a linked clamping mechanism, facilitates the fixing and position adjustment of the lower mold. Simultaneously, the glue injection channel connects multiple molding pillars, allowing multiple products to be molded in a single glue injection operation, thus improving production efficiency. Furthermore, the lower mold, inserts, and base are disassembled, facilitating equipment cleaning and maintenance. Attached Figure Description

[0014] Figure 1 This is a perspective view of the multi-cavity corner mold for the mudguard strip of this utility model;

[0015] Figure 2 This is a perspective view of the present invention from another angle;

[0016] Figure 3 This is a perspective view of the present invention after the upper mold has been removed;

[0017] Figure 4 for Figure 3Top view;

[0018] Figure 5 This is a perspective view of the insert in this utility model;

[0019] Figure 6 These are the top and bottom views of the block;

[0020] Figure 7 This is a schematic diagram of the lower base;

[0021] Figure 8 This is the top view of the lower mold;

[0022] Figure 9 This is a schematic diagram of the base;

[0023] Figure 10 This is a schematic diagram of the upper pressure plate;

[0024] In the diagram, 100 is the upper mold, 101 is the injection hole, 200 is the lower mold, 300 is the base, 1 is the injection channel, 2 is the molding mold pillar, 2-1 is the sleeve section, 2-2 is the molding section, 2-3 is the edge trimming section, 3 is the insert, 3-1 is the upper pressure plate, 3-2 is the lower base, 4 is the first push seat, 5 is the second push seat, 6 is the rack plate, 7 is the drive gear, 8 is the drive hinge seat, 9 is the support fixing, 10 is the extension arm, 11 is the slide, 12 is the positioning pin, 13 is the positioning groove, 14 is the strip hole, 15 is the positioning platform, 16 is the positioning cavity, 17 is the fastening screw, 18 is the positioning post, and 19 is the positioning hole. Detailed Implementation

[0025] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0026] according to Figures 1 to 10 As shown, the multi-cavity corner mold for mudguard strips in this solution includes an upper mold 100, a lower mold 200, and a base 300. The lower mold 200 is located on the base 300. The lower mold 200 has a lower mold cavity, which contains an injection channel 1 and multiple molding pillars 2. In this embodiment, there are four molding pillars 2, which are arranged in pairs opposite each other. All four molding pillars 2 are connected to the injection channel 1.

[0027] Two inserts 3 are embedded at both ends of the lower mold 200. Each insert 3 has an extension arm 10 at both ends, extending into the middle of the lower mold cavity. A molding post 2 is provided at the end of each extension arm 10. The two molding posts 2 on one insert 3 are arranged opposite each other and parallel to each other, both facing the injection channel 1 in the middle of the lower mold cavity. The molding posts 2 can be easily removed through the inserts 3, facilitating mold maintenance, cleaning, and repair.

[0028] The upper surface of one end of the lower mold 200 is provided with two positioning platforms 15, and the lower surface of the insert 3 is provided with two corresponding positioning cavities 16. The lower surface of one insert 3 is provided with three positioning posts 18, and the upper surface of the lower mold 200 is provided with three corresponding positioning holes 19. Specifically, the positioning platforms 15...

[0029] The outer ends of the insert 3 are all provided with clamping mechanisms, which include a first pusher 4 and a second pusher 5. Specifically, the ends of the first pusher 4 and the second pusher 5 are fixedly connected to the insert 3 by fastening screws 17 and abut against the end of the lower mold 200. A rack plate 6 is connected between the bottom of the first pusher 4 and the bottom of the second pusher 5. One end of the rack plate 6 is provided with a rack, and a drive gear 7 meshes with the rack of the rack plate 6. A drive hinge 8 is provided on the upper gear surface of the drive gear 7. The drive gear 7 can be rotated by using a tool to turn the drive hinge 8. The drive gear 7 drives the rack plate 6 to move and adjust its position. In this embodiment, the base 300 is provided with a sliding groove 11 that runs through both ends. The rack plate 6 is located in the sliding groove 11. The lower mold 200 is located above the middle part of the rack plate 6. The first pusher 4 and the second pusher 5 are fixedly provided at both ends of the rack plate 6, respectively.

[0030] The forming mold column 2 includes a sleeve column section 2-1, a forming section 2-2, and a finishing section 2-3 in sequence. The bottom of the forming section 2-2 is fixed by a support 9. There is a gap between the bottom of the sleeve column section 2-1 and the lower mold cavity. The finishing section 2-3 is an inclined surface. The upper mold 100 is provided with an injection hole 101, which is connected to the injection channel 1.

[0031] The upper mold 100 is installed on the glue injection equipment, and its glue injection hole 101 is connected to the melt delivery pipe. When the glue injection process is started, the lower mold 200 is pressed down by the drive device of the glue injection equipment to fit with the upper mold 100. The molten rubber liquid enters the lower mold cavity of the lower mold 200 through the glue injection hole 101, and goes through the glue injection channel 1 to each molding mold post 2, and contacts the edge of the mudguard strip on the molding mold post 2 to form the joint of the mudguard strip. The lower mold 200 is fixed to the base 300 by the insert 3 and the clamping mechanism. Specifically, the first pusher 4 and the second pusher 5 act on the insert 3 to fix the lower mold 200. The first pusher 4 and the second pusher 5 move in linkage through the rack plate 6 to adjust the position of the lower mold 200 to match the upper mold 100. The sleeve section 2-1 of the forming mold column 2 is used to fit the hollow mudguard strip. The inclined surfaces of the forming section 2-2 and the edge closing section 2-3 are connected to the glue injection channel 1 to form the corner and close the opening.

[0032] As a further improvement of this embodiment, the insert 3 includes an upper pressure plate 3-1 and a lower base 3-2. The lower base 3-2 is disposed in the lower mold cavity, and the extension arms 10 are disposed at both ends of the lower base 3-2. The upper pressure plate 3-1 is fixedly disposed on the upper surface of the lower base 3-2. The insert 3 is configured as an upper and lower combination type, which makes it better fixed and easy to disassemble.

[0033] Specifically, the upper surface of the lower base 3-2 is provided with an upwardly protruding positioning pin 12 and a downwardly recessed positioning groove 13, which are correspondingly provided on the lower surface of the upper pressure plate 3-1. The positioning pin 12 and the positioning groove 13 facilitate the installation of the upper pressure plate 3-1 to fix the lower base 3-2. The upper pressure plate 3-1 is provided with a strip hole 14, and the upper pressure plate 3-1 is fixedly connected to the lower base 3-2 through screws installed in the strip hole 14.

[0034] This solution provides a multi-cavity corner mold for mudguard strips. By setting inserts 3 at both ends of the lower mold 200 and using a linked clamping mechanism, the lower mold 200 can be easily fixed and its position adjusted. Simultaneously, the glue injection channel 1 connects to multiple molding pillars 2, allowing multiple products to be molded in a single glue injection operation, thus improving production efficiency. Furthermore, the lower mold 200, inserts 3, and base 300 are disassembled, facilitating equipment cleaning and maintenance.

[0035] The above description is merely an embodiment of this utility model, and common knowledge such as specific structures and characteristics of the solution is not described in detail here. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model, and these should also be considered within the protection scope of this utility model. These modifications and improvements will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.

Claims

1. A multi-cavity corner mold for mudguard strips, characterized in that: The device includes an upper mold, a lower mold, and a base. The lower mold is mounted on the base and has a lower mold cavity containing an injection channel and multiple molding pillars, all of which are connected to the injection channel. Each end of the lower mold has an insert, and the outer ends of each insert are equipped with clamping mechanisms. The clamping mechanisms include a first pusher and a second pusher. A rack plate is connected between the bottom of the first pusher and the bottom of the second pusher. One end of the rack plate has a rack, and a drive gear meshes with the rack. A drive hinge is provided on the upper gear surface of the drive gear. Each molding pillar sequentially includes a sleeve section, a molding section, and a finishing section. The bottom of the molding section is fixed by a support, and there is a gap between the bottom of the sleeve section and the lower mold cavity. The finishing section is an inclined surface. The upper mold has an injection hole connected to the injection channel.

2. The multi-cavity corner mold for mudguard strips according to claim 1, characterized in that: Each of the inserts is provided with an extension arm at both ends, the extension arm extends into the middle of the lower mold cavity, a molding post is fixedly provided on one of the extension arms, and the two molding posts on one insert are arranged opposite to each other.

3. The multi-cavity corner mold for mudguard strips according to claim 2, characterized in that: The insert includes an upper pressure plate and a lower base. The lower base is located inside the lower mold cavity. The extension arms are located at both ends of the lower base. The upper pressure plate is fixedly located on the upper surface of the lower base.

4. The multi-cavity corner mold for mudguard strips according to claim 1, characterized in that: The base has a sliding groove extending through both ends, the rack plate is disposed in the sliding groove, the lower mold is located above the middle part of the rack plate, and the first push seat and the second push seat are respectively fixedly disposed at both ends of the rack plate.

5. The multi-cavity corner mold for mudguard strips according to claim 3, characterized in that: The upper surface of the lower base is provided with an upwardly protruding positioning pin and a downwardly recessed positioning groove.

6. The multi-cavity corner mold for mudguard strips according to claim 3, characterized in that: The upper pressure plate is provided with a strip-shaped hole, and the upper pressure plate is fixedly connected to the lower base through screws installed in the strip-shaped hole.

7. The multi-cavity corner mold for mudguard strips according to claim 1, characterized in that: The upper surface of the lower mold end is provided with multiple positioning platforms, and the lower surface of the insert is provided with multiple positioning cavities.

8. The multi-cavity corner mold for mudguard strips according to claim 7, characterized in that: The lower surface of the insert is provided with multiple positioning posts, and the upper surface of the lower mold is provided with multiple positioning holes.

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