Sliding block control mechanism of liquid forging die

Abstract

The utility model discloses a slide block control mechanism of a liquid forging die, which is characterized by comprising a stroke control rod group and at least one inductive switch, the length of the stroke control rod group is changed along with the displacement of a slide rod, and the inductive switch is arranged on the side part of the stroke control rod group at the stroke end point of the slide rod and is in contact with the stroke control rod group. A high-precision sliding control mechanism is arranged on the side portion of the hydraulic cylinder, a one-way guide structure of a follow-up trigger is used for improving the combination control precision with an inductive switch, and precise control over the stroke is achieved in cooperation with a nested control rod set.

Description

Technical Field

[0001] This utility model relates to the field of aluminum alloy liquid forging dies, and in particular to a liquid forging die slider control mechanism. Background Technology

[0002] Existing slider control mechanisms have low precision. For example, a structure disclosed in Chinese Invention Patent Publication No. CN112026115A that controls the sequence of core pulling of the fixed mold slider during mold opening and closing does not have a dedicated touch-type stroke sensing mechanism, which reduces the control accuracy at the start / stop position during core pulling. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the purpose of this utility model is to provide a liquid forging die slider control mechanism to improve the accuracy of the slider / core pulling process.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A liquid forging die slider control mechanism includes a stroke control lever assembly whose length changes with the displacement of the sliding rod, and at least one inductive switch disposed on the side of the stroke control lever assembly and in contact with the stroke control lever assembly at the end point of the sliding rod's stroke.

[0006] The stroke control lever assembly is equipped with a follow-up trigger for contacting the inductive switch.

[0007] The follower trigger consists of a pair of unidirectional guide blocks arranged in opposite directions, such that the resistance experienced by the inductive switch when it contacts the follower trigger is less than the resistance experienced when it leaves.

[0008] The unidirectional guide block has a first end and a second end with different outer diameters from each other. The first end faces outward from the trigger, and the outer diameter of the first end is smaller than that of the second end.

[0009] Furthermore, a gap is left between the pair of unidirectional guide blocks to accommodate the inductive switch.

[0010] Furthermore, the inductive switch contacts the travel control lever assembly via a small wheel.

[0011] Furthermore, the stroke control lever assembly is a telescopic sleeve structure.

[0012] The beneficial effects of this utility model are as follows:

[0013] The liquid forging die slider control mechanism provided by this utility model improves the control accuracy between the sliding control mechanism and the inductive switch by setting a high-precision sliding control mechanism on the side of the hydraulic cylinder and using the unidirectional guiding structure of the follow-up trigger. It also achieves precise control of the stroke by working with the nested control lever group. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0015] Figure 1 This is a schematic diagram showing the connection between the sliding mechanism and the mold core.

[0016] Figure 2 This is a schematic diagram of the sliding mechanism. Figure 1 .

[0017] Figure 3 This is a schematic diagram of the sliding mechanism. Figure 2 . Detailed Implementation

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. The above description is for the purpose of simplifying the description of this utility model and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0019] Unless otherwise specified, the singular forms “a,” “the,” and “the” used in this specification include the plural forms. The terms “comprising,” “including,” and “containing” used in this specification indicate the presence of the claimed feature but do not exclude the presence of one or more other features. The term “and / or” used in this specification includes any and all combinations of one or more of the relevant listed items.

[0020] When a component is described in the specification as being "on", "fixed" to, "connected" to, or "joined" to another component, the component may be directly located on, fixed to, connected to, joined to, or in contact with the other component, or there may be an intermediate component present.

[0021] It is understood that although the terms "first," "second," etc., may be used herein to describe different elements, these elements should not be limited by these terms. These terms are merely used to distinguish one element from another. Therefore, a first element may be referred to as a second element without departing from the teachings of this application.

[0022] Exemplary embodiments of this application will now be described with reference to the accompanying drawings. However, it should be understood that this application can be presented in many different ways and is not limited to the embodiments described below. It should also be understood that the embodiments disclosed herein can be combined in various ways to provide further additional embodiments. Throughout the drawings, the same reference numerals denote the same or functionally identical elements.

[0023] Figure 1 The invention demonstrates a liquid forging die slider control mechanism, wherein the slider control mechanism 200 is positioned outside the die core 100 to control the opening and closing of the internal slider 110.

[0024] Reference Figure 2 and Figure 3 The sliding control mechanism 200 includes a hydraulic cylinder 210 and a sliding rod 220 driven to move by the hydraulic cylinder 210. One end of the sliding rod 220 is connected to a slider 110 inside the mold core 100 to control the displacement of the slider 110 during the mold opening / closing process. The hydraulic cylinder 210 is started / stopped by a stroke control rod group 240 and a sensor switch located on its side. Specifically, the stroke control rod group 240 includes a nested first control rod 241 and a second control rod 242. One end of the first control rod 241 is connected to the sliding rod 220, and the second control rod 242 is fixed to the fixed bracket 201 together with the hydraulic cylinder 210. Therefore, when the first control rod 241 moves with the sliding rod 220, the second control rod 242 disengages from the first control rod 241. The nested structure extends the length of the stroke control rod group 240 while improving space utilization.

[0025] Furthermore, the control function of the stroke control lever assembly 240 is constituted by a follower trigger 250 and a pair of first inductive switches 231 and second inductive switches 232. The follower trigger 250 comprises a pair of unidirectional guide blocks 252 arranged in opposite directions and sleeved on the first control lever 241. The unidirectional guide blocks 252 have a first end 252a facing outward and a second end 252b facing inward. The outer diameter of the first end 252a is smaller than that of the second end 252b, so that the first inductive switch 231 or the second inductive switch 232 obtains a more linear damping force when sliding into the follower trigger 250 through the unidirectional guide blocks 252, reducing the sliding resistance and increasing the disengagement resistance. The first inductive switch 231 and the second inductive switch 232 are respectively arranged at the stroke endpoints of the sliding lever 220. When the sliding lever 220 is at the endpoint, the first inductive switch 231 or the second inductive switch 232 slides into the follower trigger 250.

[0026] In one embodiment, a gap 251 is left between a pair of unidirectional guide blocks 252. A small wheel 233 is provided on both the first sensor switch 231 and the second sensor switch 232. When the first sensor switch 231 or the second sensor switch 232 slides into the follow-up trigger 250, the small wheel 233 passes through the unidirectional guide block 252 and stops in the gap 251.

Claims

1. A liquid forging die slide control mechanism characterized by, The application relates to a stroke control rod set which can change in length along with the displacement of a sliding rod, at least one sensing switch arranged on the side of the stroke control rod set and contacting the stroke control rod set at the stroke end point of the sliding rod, a follow-up trigger arranged on the stroke control rod set and used for contacting the sensing switch, the follow-up trigger being composed of a pair of one-way guide blocks arranged in opposite directions, so that the resistance of the sensing switch when contacting the follow-up trigger is smaller than the resistance when the follow-up trigger is separated from the sensing switch, the one-way guide blocks having first ends and second ends with different outer diameters, the first ends being directed to the outer side of the trigger, and the outer diameter of the first ends being smaller than that of the second ends.

2. The liquid die slide control mechanism of claim 1, wherein, A gap is left between the pair of one-way guide blocks to accommodate the sensing switch.

3. The liquid die slide control mechanism of claim 1, wherein, The sensing switch contacts the stroke control rod set through a small wheel.

4. The liquid die slide control mechanism of claim 1, wherein, The stroke control rod set is a telescopic sleeve rod structure.

Images