Reset bounce-off mold opening ejection mold mechanism

Abstract

The utility model relates to the technical field of molds, in particular to a reset bounce-off mold opening ejection mold mechanism which comprises an upper mold plate, a lower mold plate and an ejection assembly, the ejection assembly comprises nitrogen springs, linkage rods and ejection rods, the lower ends of the nitrogen springs are installed on the two sides of the lower mold plate, and push rods of the nitrogen springs are connected with the two sides, close to the nitrogen springs, of the upper mold plate. A nitrogen spring is arranged on the upper die plate, a linkage rod is arranged above the nitrogen spring, a mounting plate is arranged above the upper die plate, the linkage rod is connected with the bottom face of the mounting plate through a rocker arm, an ejector rod is mounted at the end, away from the linkage rod, of the rocker arm, a movable plate is arranged on the bottom face of the ejector rod, and a discharging rod is arranged on the bottom face of the movable plate. When the upper die plate moves upwards, the upper die plate drives the linkage rod to move upwards, the linkage rod drives the ejector rod to press downwards through the rocker arm, finally, the effect of separating a product from the upper die plate is achieved through the movable plate and the discharging rod, the step of ejecting the product after separation is not needed, the steps are reduced, and the efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a handheld steel tape measure used for architectural engineering surveying. Background Technology

[0002] A mold is a set of molds and tools used in industrial production to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping. In short, a mold is a tool used to create shaped objects. This tool is composed of various parts, and different molds are composed of different parts. It primarily achieves the shaping of the object by changing the physical state of the material being molded. A mold has a specific contour or internal cavity shape. Using a contour shape with cutting edges allows the blank to be separated along the contour line (blanking). Using the internal cavity shape allows the blank to obtain a corresponding three-dimensional shape. A mold generally consists of two parts: a moving mold and a fixed mold (or a punch and a die), which can be separated and joined. When separated, the workpiece is removed; when joined, the blank is injected into the mold cavity to form the shape. Furthermore, molds can be classified into different types based on the different objects they produce.

[0003] Terminal molds are mold tools used to manufacture wire connection terminals. They are usually made of high-hardness alloy steel or carbon steel, and the surface is passivated to make them resistant to high temperature, wear and corrosion. Terminal molds can be used to manufacture connection terminals in different shapes and sizes to meet different circuit connection needs.

[0004] Existing two-plate forming molds are usually divided into a fixed platen and a moving platen. After the fixed platen and the moving platen are separated, an ejector is usually used separately to separate the finished injection molded part on the moving platen from the moving platen. The operation process is cumbersome and the work efficiency is low. To address this, the inventor has proposed a reset spring-opening ejector mold mechanism to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this utility model is achieved through the following method: a reset spring-opening ejector mold mechanism, including an upper mold plate, a lower mold plate, and an ejector assembly. The upper mold plate covers the top of the lower mold plate. The ejector assembly includes a nitrogen spring, a linkage rod, and an ejector rod. The lower end of the nitrogen spring is installed on both sides of the lower mold plate. The push rod of the nitrogen spring is connected to both sides of the upper mold plate near the nitrogen spring. The linkage rod is located above the nitrogen spring. A mounting plate is provided above the upper mold plate. The linkage rod is connected to the bottom surface of the mounting plate through a rocker arm. The ejector rod is installed at the end of the rocker arm away from the linkage rod. A movable plate is provided on the bottom surface of the ejector rod. A discharge rod is provided on the bottom surface of the movable plate. The discharge rod extends towards the upper mold plate.

[0006] In the above description, as a further embodiment, connecting blocks are provided on both sides of the lower template near the nitrogen spring, and lifting blocks are provided on both sides of the upper template near the nitrogen spring push rod. The lifting blocks and connecting blocks are provided with mounting grooves at opposite positions. The bottom of the nitrogen spring is fixedly connected to the mounting groove on the connecting block, and the push rod of the nitrogen spring is fixedly connected to the mounting groove on the lifting block. The connecting blocks and lifting blocks are used to provide the working effect of the nitrogen spring.

[0007] In a further embodiment of the above description, a contact block is detachably mounted on the top of the lifting block. A connecting position is provided on the bottom surface of the contact block near the ejector block. A matching slot is provided on the top surface of the lifting block near the connecting position. A threaded pin hole is provided on one side of the lifting block, extending through the slot. A matching insertion hole is provided on the connecting position near the threaded pin hole. A bolt is detachably mounted in the threaded pin hole. The contact block is used to cooperate with the ejector rod for movement.

[0008] In a further embodiment of the above description, a base plate is installed on the bottom surface of the lower template. Support rods are provided at the four corners of the base plate, and the support rods extend toward the mounting plate. The outer arc surface of the support rods is threaded. The mounting plate is provided with threaded holes that match the threads near the support rods. The threaded holes and support rods are used to adjust the height of the mounting plate to adapt to different upper and lower templates.

[0009] In the above description, as a further embodiment, guide holes are provided at the four corners of the lower template and the upper template, and guide posts are provided on the top surface of the base plate near the guide holes, with the guide posts extending toward the top surface of the upper template; the guide posts are used to provide a guiding effect between the upper template and the lower template.

[0010] In a further embodiment of the above description, the upper template is provided with an insertion groove in the middle, and a forming template is detachably installed in the insertion groove.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: through the design of nitrogen spring, linkage rod, rocker arm and ejector rod, when the mold is opened, the nitrogen spring drives the upper mold plate to move upward. When it moves upward, the upper mold plate drives the linkage rod to move upward. The linkage rod drives the ejector rod to press down through the rocker arm. Finally, the product is separated from the upper mold plate through the movable plate and the ejector rod. There is no need to separate the product and then eject it. This reduces the number of steps and speeds up the work efficiency. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the reset spring-opening ejection mold mechanism of this utility model;

[0013] Figure 2This is an exploded view of the structure of the reset spring-opening ejector mold mechanism of this utility model;

[0014] Figure 3 This is a utility model Figure 2 A partially enlarged schematic diagram of structure A in the middle;

[0015] In the diagram: 1-Upper template, 2-Lower template, 3-Nitrogen spring, 4-Linkage rod, 5-Ejection rod;

[0016] 6-Mounting plate, 7-Rocker arm, 8-Moving plate, 9-Discharge rod, 10-Connecting block, 11-Lifting block;

[0017] 12-Mounting slot, 13-Abutting block, 14-Connecting position, 15-Slot, 16-Threaded pin hole;

[0018] 17-Insert hole, 18-Bolt, 19-Base plate, 20-Support rod, 21-Threaded hole, 22-Guide hole;

[0019] 23-Guide post, 24-Insertion groove, 25-Forming template. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] For this embodiment, please refer to Figures 1-3 The specific implementation of the reset spring-opening ejection mold mechanism includes an upper template 1, a lower template 2, and an ejection assembly. The upper template 1 covers the top of the lower template 2. The ejection assembly includes a nitrogen spring 3, a linkage rod 4, and an ejection rod 5. The lower end of the nitrogen spring 3 is installed on both sides of the lower template 2. The push rod of the nitrogen spring 3 is connected to both sides of the upper template 1 near the nitrogen spring 3. The linkage rod 4 is located above the nitrogen spring 3. An installation plate 6 is provided above the upper template 1. The linkage rod 4 is connected to the bottom surface of the installation plate 6 through a rocker arm 7. The ejection rod 5 is installed at the end of the rocker arm 7 away from the linkage rod 4. A movable plate 8 is provided on the bottom surface of the ejection rod 5. A discharge rod 9 is provided on the bottom surface of the movable plate 8. The discharge rod 9 extends toward the upper template 1.

[0022] Connecting blocks 10 are provided on both sides of the lower template 2 near the nitrogen spring 3, and lifting blocks 11 are provided on both sides of the upper template 1 near the push rod of the nitrogen spring 3. Mounting slots 12 are provided on the opposite positions of the lifting blocks 11 and the connecting blocks 10. The bottom of the nitrogen spring 3 is fixedly connected to the mounting slot 12 on the connecting block 10, and the push rod of the nitrogen spring 3 is fixedly connected to the mounting slot 12 on the lifting block 11.

[0023] A contact block 13 is detachably mounted on the top of the lifting block 11. A connecting position 14 is provided on the bottom surface of the contact block 13 near the ejector block. A slot 15 matching the connecting position 14 is provided on the top surface of the lifting block 11 near the connecting position 14. A threaded pin hole 16 is provided on one side of the lifting block 11. The threaded pin hole 16 extends through the slot 15. A matching insertion hole 17 is provided on the connecting position 14 near the threaded pin hole 16. A bolt 18 is detachably mounted in the threaded pin hole 16.

[0024] A base plate 19 is installed on the bottom surface of the lower template 2. Support rods 20 are provided at the four corners of the base plate 19, and the support rods 20 extend toward the mounting plate 6. The outer arc surface of the support rods 20 is threaded. The mounting plate 6 is provided with threaded holes 21 that match the threads near the support rods 20.

[0025] Guide holes 22 are provided at the four corners of the lower template 2 and the upper template 1. Guide posts 23 are provided on the top surface of the base plate 19 near the guide holes 22, and the guide posts 23 extend toward the top surface of the upper template 1.

[0026] The upper template 1 has an insertion groove 24 in the middle, and a forming template 25 is detachably installed in the insertion groove 24.

[0027] The working process of this utility model is as follows: After molding is completed, the support rod 20 is rotated, and the support rod 20 drives the mounting plate 6 to move down. After moving down to the working area, the upper template 1 and the lower template 2 are separated. At the same time, the nitrogen spring 3 lifts the upper template 1. When it is lifted, the upper template 1 moves, and at the same time, the abutment block 13 on the lifting block 11 moves up. When it moves up, the abutment block 13 abuts against the linkage rod 4, which drives the linkage rod 4 to continue to move up. This causes one end of the rocker arm 7 to tilt upward, and the other end of the rocker arm 7 to move downward. At the same time, it drives the ejector rod 5 and the movable plate 8 to move towards the upper template 1. At the same time, the movable plate 8 drives the discharge rod 9 to press down towards the molding template 25, separating the finished product from the molding template 25.

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] Furthermore, in the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] Finally, it should be noted that the above embodiments are merely specific implementations of this utility model, used to illustrate the technical solution of this utility model, and not to limit it. The protection scope of this utility model is not limited thereto. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this utility model. These modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A reset spring-opening ejector mold mechanism, comprising an upper mold plate, a lower mold plate, and an ejector assembly, wherein the upper mold plate covers the top of the lower mold plate, characterized in that: The ejection assembly includes a nitrogen spring, a linkage rod, and an ejection rod. The lower end of the nitrogen spring is installed on both sides of the lower template. The push rod of the nitrogen spring is connected to both sides of the upper template near the nitrogen spring. The linkage rod is located above the nitrogen spring. A mounting plate is provided above the upper template. The linkage rod is connected to the bottom surface of the mounting plate through a rocker arm. The ejection rod is installed at the end of the rocker arm away from the linkage rod. A movable plate is provided on the bottom surface of the ejection rod. A discharge rod is provided on the bottom surface of the movable plate. The discharge rod extends towards the upper template.

2. The reset spring-loaded ejector mold mechanism according to claim 1, characterized in that: Connecting blocks are provided on both sides of the lower template near the nitrogen spring, and lifting blocks are provided on both sides of the upper template near the nitrogen spring push rod. Mounting slots are provided at opposite positions of the lifting blocks and connecting blocks. The bottom of the nitrogen spring is fixedly connected to the mounting slot on the connecting block, and the push rod of the nitrogen spring is fixedly connected to the mounting slot on the lifting block.

3. The reset spring-loaded ejector mold mechanism according to claim 2, characterized in that: The top of the lifting block is detachably equipped with an abutment block. The bottom surface of the abutment block near the ejector block has a connecting position. The top surface of the lifting block near the connecting position has a slot that matches the connecting position. One side of the lifting block has a threaded pin hole that extends through the slot. The connecting position near the threaded pin hole has a matching insertion hole. A bolt is detachably installed in the threaded pin hole.

4. The reset spring-loaded ejector mold mechanism according to claim 1, characterized in that: The bottom surface of the lower template is equipped with a base plate, and the four corners of the base plate are equipped with support rods that can rotate. The support rods extend toward the mounting plate, and the outer arc surface of the support rods is threaded. The mounting plate is provided with threaded holes that match the threads near the support rods.

5. The reset spring-loaded ejector mold mechanism according to claim 4, characterized in that: The lower and upper templates are provided with guide holes at their four corners, and a guide post is provided on the top surface of the base plate near the guide hole, with the guide post extending toward the top surface of the upper template.

6. The reset spring-opening ejector mold mechanism according to claim 4, characterized in that: The upper template has an insertion groove in the middle, and a molded template is detachably installed in the insertion groove.

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