A practical multi-size forged wheel mold ejector rod dismounting device

CN224926976UActive Publication Date: 2026-11-03CITIC DICASTAL CO LTD
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Patent Information

Application Number
CN202620123742.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2026-01-29
Publication Date
2026-11-03
Estimated Expiration
2036-01-29

AI Technical Summary

Technical Problem

The ejector rod of the existing forging wheel mold is prone to deformation or damage during use, resulting in high labor intensity, low efficiency and safety for workers, and there are safety hazards during manual unloading.

Method used

Design a device for removing the ejector rod of a multi-size forging wheel mold, including a main frame, guide pillars, hydraulic cylinders, linear slide rails, and pressure relief heads. The device uses hydraulic cylinders and linear slide rails to unload the ejector rod, replacing the traditional hammering method, and removes the ejector rod through the principle of static load.

Benefits of technology

It improves production efficiency, reduces labor intensity and safety risks for workers, has a simple structure and is suitable for various scenarios, and solves the problems of safety hazards and low efficiency in traditional methods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of die ejector rod is taken off, concretely relates to a practical multi -size forging wheel die ejector rod is taken off device, including integrative device main frame, two guide posts, hydraulic cylinder, linear slide rail, pressure relief head and top -up cushion block in device main frame inside, still being equipped with crown block hanger in device top. The utility model proposes setting up two guide posts and hydraulic cylinder in device main frame inside, and unloading ejector rod is carried out in cooperation linear slide rail, and the impact load that will appear tool disorder bounce etc. Unsafe factors of hammer head smashing mode is removed with the help of pressure static load principle, and the device structure is simple and convenient to assemble simultaneously, is applicable to a variety of scenes, solves the problem such as big worker labour intensity, low worker efficiency, unsafe etc., improves production efficiency.
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Description

Technical Field

[0001] This utility model belongs to the field of mold ejector rod removal, specifically relating to a practical multi-size forging wheel mold ejector rod removal device. Background Technology

[0002] The ejector pins of forging wheel dies are divided into central ejector pins and auxiliary ejector pins. During use, they are often bent, deformed, or broken due to their thinness. This necessitates workers using hand tools to remove the ejector pins. Removing the ejector pins by hammering with hand tools such as hammers is labor-intensive, time-consuming, and inefficient. Furthermore, the impact force during hammering causes the tools to bounce around, and the falling metal fragments can easily injure workers' eyes, making the work extremely difficult and unsafe. This becomes a bottleneck to improving production efficiency and a factor affecting production efficiency, requiring timely resolution. Utility Model Content

[0003] This invention proposes a practical multi-size forging wheel mold ejector rod removal device to solve the problems of low production efficiency and environmental safety in the prior art.

[0004] To achieve the above objectives, the present invention proposes the following technical solution: A practical multi-size forging wheel mold ejector rod removal device includes a main frame, two guide columns, a hydraulic cylinder, a linear slide rail, a movable beam, an ejector head, and an ejector pad. The main frame of the device includes an upper crossbeam, two vertical columns, and a mold support hook, wherein the mold support hook is connected to the upper crossbeam through the two vertical columns; The guide columns are located on the left and right sides below the top of the upper crossbeam. The two linear slide rails are connected to the left and right vertical columns of the main frame of the device by connecting bolts. The movable beam is located between the two linear slide rails. The upper end of the hydraulic cylinder is connected to the lower part of the upper crossbeam of the main frame of the device, and the lower end is connected to the movable beam of the device by the hydraulic cylinder. The pressure relief head is bolted to the bottom of the movable beam of the device, and the top material pad is located below the pressure relief head.

[0005] Preferably, it also includes a crane bracket, which is bolted to the top of the upper crossbeam.

[0006] Preferably, it also includes a guide sleeve, which is placed on the movable beam of the device at a position corresponding to the guide post, and the bottom of the guide post is located inside the guide sleeve.

[0007] Preferably, it also includes a device base, which is bolted to the mold support hook.

[0008] Preferably, it also includes an L-shaped fixing connecting plate, which is set on the inner side of the left and right vertical columns 8 at the bottom and above the mold support hook; The L-shaped fixed connecting plate includes a lower circular center plate and a side connecting plate. The lower circular center plate is fixed to the mold support hook by a lower connecting screw, and the side connecting plate is fixed to the corresponding vertical column by an edge connecting screw.

[0009] Preferably, the main frame of the device is formed by integral forging.

[0010] Preferably, it also includes an L-shaped fixing angle, which is fastened to the inner side of the left and right vertical columns below the upper crossbeam of the main frame of the device by bolts to increase the overall tensile and compressive strength of the mechanism.

[0011] The advantages of this utility model are: This invention proposes to install two guide columns and a hydraulic cylinder inside the main frame of the device, which, together with a linear slide rail, unload the top rod. This eliminates the safety hazards such as tool bounce that can occur with the impact load of the hammer-striking method. At the same time, the device has a simple structure and is easy to assemble, making it suitable for various scenarios. It solves problems such as high labor intensity, low worker efficiency, and safety hazards, thereby improving production efficiency. Attached Figure Description

[0012] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments and descriptions of this utility model are used to explain this utility model and do not constitute an undue limitation thereof. In the drawings: Figure 1 A structural diagram of a practical multi-size forging wheel mold ejector rod removal device; Figure 2 A top view of a practical multi-size forging wheel mold ejector rod removal device; Figure 3 This is a side view of the L-shaped fixed connection plate.

[0013] Figure 4 This is a top view of the L-shaped fixed connection plate. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0015] The following detailed description is exemplary and intended to provide further detailed explanation of the present invention. Unless otherwise specified, all technical terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this invention. Example

[0016] Please see Figure 1 As shown, this utility model provides a practical multi-size forging wheel mold ejector rod removal device, including a main frame 1, a crane frame 2, two guide columns 3, two guide sleeves 4, two hydraulic cylinders 5, upper and lower fixed hinges of the hydraulic cylinders 6, an upper crossbeam 7, left and right vertical columns 8, two linear slide rails 9, connecting bolts 10, a movable beam 11, a pressure relief head 12, a mold ejector rod 13, a device base 14, a mold 15, an L-shaped fixed connecting plate 16, a connecting screw, a mold hook 19, an ejector pad 21, and an L-shaped fixed corner 22.

[0017] The connecting screw includes a lower connecting screw 17, a side connecting screw 18, and a base connecting screw 20.

[0018] The main frame 1 of the device includes an upper crossbeam 7, vertical columns 8 and a mold support hook 19, and the mold support hook 19 is connected to the upper crossbeam 7 through two vertical columns 8.

[0019] The overhead crane frame 2 is bolted to the top of the upper crossbeam 7 for overhead crane hoisting. The guide columns 3 are located on the left and right sides below the top of the upper crossbeam 7.

[0020] Two linear slide rails 9 are connected to the left and right vertical columns 8 of the main frame 1 of the device by connecting bolts 10. The movable beam 11 is located between the two linear slide rails 9. The guide sleeve 4 is placed on the movable beam 11 at the position corresponding to the guide column 3, and the guide column 3 is set inside the guide sleeve 4. The upper end of the hydraulic cylinder 5 is connected to the lower crossbeam 7 of the main frame 1 of the device by the upper fixed hinge 6 of the hydraulic cylinder, and the lower end is connected to the movable beam 11 of the device by the lower fixed hinge 6 of the hydraulic cylinder.

[0021] The pressure relief head 12 is bolted to the bottom of the movable beam 11 of the device.

[0022] The ejector pad 21 is inserted into the conical groove below the pressure relief head 12 so that it can be removed after pressing. It is a sleeve structure similar to a machine tool, used to press the ejector rod 13 of the mold out from above.

[0023] The mold hook 19 is provided with a mold 15, and the mold 15 is provided with a mold ejector rod 13.

[0024] like Figure 2 As shown, the device base 14 is connected to the mold support hook 19 via a base connecting screw.

[0025] like Figure 3 , Figure 4As shown, the two L-shaped fixed connecting plates 16 are respectively set on the inner side of the left and right vertical columns 8 placed on the bottom of the mold support hook 19; specifically: the L-shaped fixed connecting plate 16 includes a lower circular center plate and a side connecting plate, so the lower circular center plate of the L-shaped fixed connecting plate 16 is fixed to the mold support hook 19 by the lower connecting screw 17, and the side connecting plate is fixed to the corresponding vertical column 8 by the side connecting screw 18.

[0026] In one specific embodiment, the main frame 1 and the sturdy overhead crane frame 2 are both integrally forged to ensure that the entire device has sufficient strength.

[0027] In one specific embodiment, the L-shaped fixed corner 22 is fastened to the inner side of the left and right vertical columns 8 below the upper crossbeam 7 of the main frame 1 of the device by bolts to increase the overall tensile and compressive strength of the mechanism.

[0028] In one specific embodiment, by widening the dimensions of the main frame 1 and the L-shaped fixed connecting plate 16 and designing them as square or rectangular, the application range of this utility model can be increased. It is not only suitable for ejecting ejector pins of forging dies, but also for ejecting thin ejector pins of various square or rectangular automotive chassis connecting rod dies. Example

[0029] The specific operation process of this utility model is as follows: First, the piston rod of hydraulic cylinder 5 is in the retracted state, at which point the movable beam 11 of the device is in the upper position. The ejector rod of the multi-size forged wheel mold is removed and the device base 14 is placed on the ground to ensure stability and release the pressure to the ground. Then, the mold 15 is placed stably on the lower circle center of the L-shaped fixed connecting plate 16 on the mold hook 19.

[0030] The ejector block 21 is placed under the pressure relief head 12. Then, the piston rod of the hydraulic cylinder 5 extends, which drives the movable beam 11 of the device to move downward along the linear slide rail 9. The guide pillars 3 and guide sleeves 4 on the left and right sides serve as guides. The pressure relief head 12 gradually presses down on the ejector block 21 and the mold ejector rod 13 until the mold ejector rod 13 is pressed out of the mold 15.

[0031] After the ejector rod 13 of the mold is ejected, the piston rod of the hydraulic cylinder 5 is retracted to release the pressure, and then the mold 15 is removed to complete one work cycle.

[0032] The device's unloading head 12 can complete the pressing of the mold ejector rod 13 at different positions within different pitch circle diameter ranges based on the ejector pads 21 at different positions within different pitch circle diameter ranges, achieving the function of unloading ejector rods in one machine. On the other hand, the unloading head 12 of different shapes can also be replaced to complete the unloading of mold ejector rods 13 of different shapes.

[0033] This invention utilizes the static load principle to eliminate the safety hazards associated with hammer-based impact loads, such as tool bounce, thus solving problems like high labor intensity, low worker efficiency, and safety risks, and improving production efficiency. The static load principle offers ideal performance, high efficiency, reliable operation, and multi-purpose unloading of the top rod. The integrated forged overhead crane frame 2 is flexible in application and can be installed in different workshop locations, increasing the overall application space and scope of the device.

[0034] As is known from common technical knowledge, this utility model can be implemented through other embodiments that do not depart from its spirit or essential characteristics. Therefore, the disclosed embodiments described above are merely illustrative in all respects and are not the only ones. All modifications within the scope of this utility model or its equivalents are included in this utility model.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model should be covered within the protection scope of the claims of this utility model.

Claims

1. A practical device for removing the ejector rod of a multi-size forged wheel mold, characterized in that, It includes the main frame of the device, two guide columns, hydraulic cylinders, linear slide rails, movable beams, pressure relief heads, and top material pads; The main frame of the device includes an upper crossbeam, two vertical columns, and a mold support hook, wherein the mold support hook is connected to the upper crossbeam through the two vertical columns; The guide columns are located on the left and right sides below the top of the upper crossbeam. The two linear slide rails are connected to the left and right vertical columns of the main frame of the device by connecting bolts. The movable beam is located between the two linear slide rails. The upper end of the hydraulic cylinder is connected to the lower part of the upper crossbeam of the main frame of the device, and the lower end is connected to the movable beam of the device by the hydraulic cylinder. The pressure relief head is bolted to the bottom of the movable beam of the device, and the top material pad is located below the pressure relief head.

2. The practical multi-size forging wheel mold ejector rod removal device as described in claim 1, characterized in that, It also includes a crane frame, which is bolted to the top of the upper crossbeam.

3. The practical multi-size forging wheel mold ejector rod removal device as described in claim 1, characterized in that, It also includes a guide sleeve, which is placed on the movable beam of the device at the position corresponding to the guide post, and the bottom of the guide post is located inside the guide sleeve.

4. The practical multi-size forging wheel mold ejector rod removal device as described in claim 1, characterized in that, It also includes a device base, which is bolted to the mold support hook.

5. The practical multi-size forging wheel mold ejector rod removal device as described in claim 1, characterized in that, It also includes an L-shaped fixing connection plate, which is set on the inside of the left and right vertical columns at the bottom above the mold support hook; The L-shaped fixed connecting plate includes a lower circular center plate and a side connecting plate. The lower circular center plate is fixed to the mold support hook by a lower connecting screw, and the side connecting plate is fixed to the corresponding vertical column by an edge connecting screw.

6. The practical multi-size forging wheel mold ejector rod removal device as described in claim 1, characterized in that, The main frame of the device is formed by integral forging.

7. The practical multi-size forging wheel mold ejector rod removal device as described in claim 1, characterized in that, It also includes L-shaped fixing angles, which are bolted to the inner side of the left and right vertical columns below the upper crossbeam of the main frame of the device to increase the overall tensile and compressive strength of the mechanism.