Hydraulic clamping mechanism and five-axis swing clamping system

By incorporating Z-shaped channel pipes and bent pipes into the hydraulic clamping mechanism and utilizing pre-stored oil to connect the pipelines, the problem of hydraulic clamp loosening was solved, achieving rapid response and stable clamping effect, thus improving processing safety and efficiency.

CN223469496UActive Publication Date: 2025-10-24深圳市明威达科技有限公司
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Patent Information

Application Number
CN202423154619.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-10-24
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing hydraulic clamping mechanism has a time error during the oil circuit switching process, which causes the hydraulic clamp to loosen, affecting the clamping stability of parts and processing efficiency.

Method used

A hydraulic clamping mechanism is designed by setting a Z-shaped channel pipe and staggered bent pipes on the piston rod. The channel pipes are pre-stored with oil to connect the pipeline during the electric push rod reset process, which reduces the oil switching time. The pipeline stability and oil flowability are improved by using edge protection and elastic elements.

Benefits of technology

It shortens the oil switching time, improves the clamping stability of the hydraulic clamp, ensures the safety of parts and processing efficiency, and prevents parts from loosening and becoming contaminated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hydraulic clamping mechanism and a five-axis swing head clamping system. The hydraulic clamping mechanism comprises a piston column installed at the output end of an electric push rod, a plug opening is formed in the piston column, a Z-shaped channel pipe is installed in the plug opening, bent pipes which are arranged in a staggered mode are arranged on the channel pipe, and ports of the two bent pipes are communicated with a first pipeline and a second pipeline respectively. According to the hydraulic clamping mechanism and the five-axis swing head clamping system, oil liquid is stored in the channel pipe arranged on the piston column in advance, the two bent pipes are communicated with the first pipeline and the second pipeline respectively in the reset process of the electric push rod, the gap between the pipelines is filled with the oil liquid stored in the channel pipe in advance, and therefore the hydraulic clamping mechanism and the five-axis swing head clamping system are convenient to use. According to the hydraulic clamp switching device, extremely short reaction time is generated in the oil switching process, so that the switching time of the hydraulic clamp which is conveyed by a pipeline is shortened, the hydraulic clamp is not prone to loosening in the part clamping process, and the part safety and the machining efficiency are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to clamping mechanism technical field, concretely relates to a hydraulic clamping mechanism and five -axis swing head clamping system. BACKGROUND

[0002] Five -axis swing head mechanical arm contains multiple work functions, and mainly located work end part sets up clamp, grabs spare and welding head etc.

[0003] According to the disclosure (announcement) number: CN115467877A, the disclosure (announcement) day: 2022-12-13, a kind of hydraulic clamping mechanism and five -axis clamping system.

[0004] In the prior art including above-mentioned patent, because piston shaft switches oil circuit in the process in the flow divider, need be realized by electric push rod reset, and the path accompanied by electric push rod movement needs to consume oil circuit switching time, piston shaft is located in flow divider and is influenced by oil resistance, so time error in the process of switching oil circuit will certainly make hydraulic clamp appear clamping vacancy, i.e. after the relaxation of hydraulic clamp due to the loss of pressure of first oil circuit, second oil circuit cannot be timely supplemented, and then the parts taken by hydraulic clamp appear a certain loosening, affect normal conveying of parts, even cause parts to fall and damage. SUMMARY

[0005] The utility model aims at providing a kind of hydraulic clamping mechanism and five -axis swing head clamping system, to solve the problems generated above.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of hydraulic clamping mechanism, including hydraulic clamp, and the flow divider of being provided with first pipeline and second pipeline, the flow divider is provided with electric push rod, further including the piston column of being installed in the output end portion of electric push rod, the plug opening is opened in the piston column;

[0008] Z-shaped channel pipe is installed in the plug opening, the offset arrangement of the bending pipe is arranged on the channel pipe, and the port of two bending pipes is respectively connected with first pipeline and second pipeline.

[0009] Preferably, it further includes movable part that moves on the bending pipe, the movable part is provided with sealing edge that is in contact with the pipeline and is used to open the bending pipe.

[0010] Preferably, the port of the bending pipe is fixedly provided with the guard edge that is in contact with the side wall of the pipeline.

[0011] Preferably, the guard edge is provided with a through hole for the sealing edge to move, and the movable part is further provided with an arc-shaped edge matched with the through hole.

[0012] Preferably, the arc-shaped edge is in sliding fit with the inner wall of the flow divider, and an elastic member is further arranged between the arc-shaped edge and the guard edge.

[0013] A five-axis swing head clamping system comprising the hydraulic clamping mechanism.

[0014] In the above technical solution, the hydraulic clamping mechanism and the five-axis swing head clamping system have the following beneficial effects: the passage pipe arranged on the piston column is used to pre-store oil, and during the reset process of the electric push rod, the two bent pipes are respectively communicated with the first pipeline and the second pipeline, so that the gap between the pipelines is filled with the pre-stored oil in the passage pipe, the reaction time during the oil switching process is extremely small, the purpose is to shorten the switching time of the hydraulic clamp transported by the pipeline, and the part is not easy to loosen during the clamping process of the hydraulic clamp, and the safety and processing efficiency of the part are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 The hydraulic clamp and the flow divider assembly schematic diagram provided by the embodiment of the present application;

[0017] Figure 2 The flow divider partial section plan view provided by the embodiment of the present application;

[0018] Figure 3 The Figure 2 enlarged schematic view of A;

[0019] Figure 4 The passage pipe and the movable part assembly schematic diagram provided by the embodiment of the present application.

[0020] Explanation of reference signs:

[0021] 1, hydraulic clamp; 2, flow divider; 21, first pipeline; 22, second pipeline; 23, electric push rod; 3, piston column; 30, plug; 4, passage pipe; 41, bent pipe; 42, guard edge; 421, through hole; 5, movable part; 51, sealing edge; 52, arc-shaped edge; 53, elastic member. DETAILED DESCRIPTION

[0022] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0023] As Figures 1-4 shown, a kind of hydraulic clamping mechanism and five-axis swing head clamping system, including hydraulic tong 1, and the shunt block 2 being provided with first pipeline 21 and second pipeline 22, shunt block 2 is provided with electric push rod 23, further including piston post 3 being installed in the output end portion of electric push rod 23, piston post 3 is opened with plug 30;

[0024] Plug 30 is installed with Z-shaped channel pipe 4, channel pipe 4 is provided with staggered arrangement of bent pipe 41, and the port of two bent pipes 41 is respectively connected with first pipeline 21 and second pipeline 22.

[0025] Specifically, the connection mode and oil delivery mode of first pipeline 21 and second pipeline 22 in shunt block 2 are prior art, which will not be described here, and plug 30 is also Z-shaped to provide stable installation of channel pipe 4.

[0026] Further, bent pipe 41 is arranged on both sides with piston post 3 as center, so that two bent pipes 41 can quickly carry out oil delivery work.

[0027] By pre-storing oil in channel pipe 4 inside piston post 3, and making two bent pipes 41 respectively communicate with first pipeline 21 and second pipeline 22 during the reset process of electric push rod 23, the gap between the pipelines is filled with pre-stored oil in channel pipe 4, so that the reaction time during oil switching is very small, the purpose is to shorten the time of hydraulic tong 1 being switched by pipeline oil delivery, so that the part is not easy to loosen during clamping by hydraulic tong 1, and the safety and processing efficiency of the part are guaranteed.

[0028] As a further embodiment of the utility model, it further includes movable part 5 movably arranged on bent pipe 41, and sealing edge 51 for opening bent pipe 41 is arranged on movable part 5 and abuts against pipeline.

[0029] Specifically, the end of sealing edge 51 is rounded and matched with the port of bent pipe 41.

[0030] By closing the port of bent pipe 41 through sealing edge 51 in default state, the oil in channel pipe 4 is not easy to leak and is not easy to be contaminated, the cleanliness of hydraulic delivery is guaranteed, and during the axial movement of piston post 3 being pushed, the port of pipeline abuts against the port of bent pipe 41 and slides, and the port of bent pipe 41 is opened by pushing sealing edge 51, so that the oil in shunt block 2 is connected for a shorter time, thereby realizing the function of fast response.

[0031] As further provided by the utility model, the edge guard 42 is fixedly installed at the port of the bent pipe 41 and abuts against the sidewall of the pipe.

[0032] Specifically, the inner diameter of the edge guard 42 with a semicircular cross section is greater than the outer diameter of the pipe.

[0033] The edge guard 42 with a larger diameter is used to provide abutment limiting and shielding protection for the pipe, so that the first pipe 21 and the second pipe 22 have higher stability during use, and the edge guard 42 abutting against the sidewall of the pipe can increase the heat transfer area of the oil, so that the high-temperature oil in the pipe has a larger heat diffusion area, and the problem of excessive oil temperature caused by the loss of cooling inside the components under the condition of oil and power interruption is avoided.

[0034] As further provided by the utility model, the edge guard 42 is fixedly installed at the port of the bent pipe 41 and abuts against the sidewall of the pipe.

[0035] Specifically, the inner diameter of the edge guard 42 with a semicircular cross section is greater than the outer diameter of the pipe.

[0036] The perforation 421 on the edge guard 42 is used to increase the stability of the movement of the movable part 5, so that the sealing edge 51 has a more secure closing and opening function, and the arc-shaped edge 52 under movement can push and stir the oil in the flow distribution block 2 by using the arc top, and shovel and turn over, so that the oil maintains good fluidity and avoids the problem of oil deposition.

[0037] As further provided by the utility model, the edge guard 42 is fixedly installed at the port of the bent pipe 41 and abuts against the sidewall of the pipe.

[0038] Specifically, the inner diameter of the edge guard 42 with a semicircular cross section is greater than the outer diameter of the pipe.

[0039] Further, the elastic member 53 is a tension spring, the surface of which is coated with a corrosion-resistant and non-reactive paint surface, and the material is the prior art, which will not be described here.

[0040] The elastic metal sheet on the arc-shaped edge 52 can scrape off the dirt attached to the inner wall of the flow distribution block 2 when stirring and turning over the oil in the flow distribution block 2, avoid the pollution of all the oil caused by the serious deposition and attachment of the dirt, and cooperate with the elastic member 53 to quickly reset the movable part 5 after movement, and further perform dredging treatment on the oil in the flow distribution block 2 after resetting, so as to ensure the smoothness of the oil.

[0041] Working principle: through setting up in the inside prestore oil liquid of passage pipe 4 on piston column 3, and in the process of electric push rod 23 reset, make two bending pipe 41 respectively with first pipeline 21 and second pipeline 22 communication, make the vacancy between pipeline be filled with the oil liquid of passage pipe 4 prestore, make that oil liquid switching process produce very small reaction time, the purpose is to shorten the time of hydraulic clamp 1 be switched by pipeline delivery oil liquid, and utilize the edge protection of bigger diameter 42 provide pipeline butt joint limit and shield protection, so that first pipeline 21 and second pipeline 22 in the process of using higher stability, and the edge protection of resistance to pipeline side wall 42 can still increase oil liquid heat transfer area, make the high temperature oil liquid heat diffusion area of pipeline be bigger, avoid the case of broken oil and power failure, the internal cooling of component loses the cooling and causes the problem of oil temperature too high.

[0042] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. A hydraulic clamping mechanism comprising a hydraulic clamp (1) and a flow divider (2) provided with a first pipe (21) and a second pipe (22), the flow divider (2) being provided with an electric push rod (23), characterized in that, Further comprising a piston column (3) installed at the output end of the electric push rod (23), and a plug hole (30) is arranged on the piston column (3); A Z-shaped channel pipe (4) is installed in the plug hole (30), and the channel pipe (4) is provided with two staggered bending pipes (41), and the ports of the two bending pipes (41) are respectively connected with the first pipe (21) and the second pipe (22).

2. A hydraulic clamping mechanism according to claim 1, wherein Further comprising a movable element (5) movably arranged on the bending pipe (41), and the movable element (5) is provided with a sealing edge (51) which is in abutting fit with the pipe and is used for opening the bending pipe (41).

3. A hydraulic clamping mechanism according to claim 2, wherein A guard edge (42) is fixedly installed at the port of the bending pipe (41) and is in abutting fit with the side wall of the pipe.

4. A hydraulic clamping mechanism according to claim 3, wherein A perforation (421) is arranged on the guard edge (42) and is used for the movement of the sealing edge (51), and the movable element (5) is further fixedly provided with an arc-shaped edge (52) which is in fit with the perforation (421).

5. A hydraulic clamping mechanism according to claim 4, wherein The arc-shaped edge (52) is in sliding fit with the inner wall of the shunt block (2), and an elastic element (53) is further fixedly installed between the arc-shaped edge (52) and the guard edge (42).

6. A five-axis swing head clamping system characterized by, The hydraulic clamping mechanism comprises the hydraulic clamping mechanism according to any one of claims 1-5.

Citation Information

Patent Citations

  • Hydraulic clamping mechanism and five-axis clamping system

    CN115467877A