Stop valve machining integrated device

By using a seven-axis linkage robotic arm and a limiting bracket in conjunction with a floating grinding head for fine grinding, the problems of low grinding efficiency of the valve body sand core and difficulty in collecting gravel have been solved, achieving efficient and fine grinding and gravel cleaning.

CN224102579UActive Publication Date: 2026-04-10TIANJIN HUASHUNTONG VALVE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN HUASHUNTONG VALVE
Filing Date
2025-04-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing gate valve body sand core has low grinding efficiency, is prone to over-cutting, and the sand fragments are difficult to collect.

Method used

A high-precision robotic arm with seven-axis linkage is used for fine grinding. The rotation adjustment of the valve body sand core is achieved by combining the limit bracket and the adjustment shaft. Constant force grinding is carried out with the floating grinding head, and the broken sand and gravel are collected by the bottom plate collection plate.

Benefits of technology

It improves grinding precision and efficiency, avoids over-cutting, and achieves efficient collection of gravel.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224102579U_ABST
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Abstract

The utility model provides a stop valve machining integrated device, relates to the technical field of stop valve machining, and solves the problems that manual grinding efficiency is low, an overcut phenomenon is easy to generate, crushed gravels cannot be collected and the like. The stop valve machining integrated device comprises a bottom plate, supporting frames, a limiting support and a grinding mechanical arm, and the supporting frames are arranged on the two sides of the bottom plate; a limiting support is arranged between the supporting frames so that rotation can be achieved, a polishing mechanical arm is arranged on one side of each supporting frame, and the valve body sand core fixed to the limiting support is subjected to global fine polishing through the polishing mechanical arms. The limiting support is used for fixing a valve body sand core, the limiting support is driven to rotate by combining with the adjusting rotating shaft of the supporting frame, rotating adjustment of valve body gravel is achieved, fine grinding of the whole area is conducted in cooperation with the grinding mechanical arm, and meanwhile ground broken gravel is collected and cleaned through the collecting plate of the bottom plate. And the grinding precision and the grinding efficiency are greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cut -off valve processing technical field, concretely relates to a cut -off valve machine processing integrated device. BACKGROUND

[0002] The cut -off valve is a kind of valve that controls fluid on-off or regulates flow by the vertical lifting movement of valve clapper, and its name comes from its ball-shaped valve body structure;It is mainly composed of valve body, valve cover, valve clapper, valve stem, hand wheel or actuator, stuffing box, guide structure, and is suitable for flow control in municipal water supply, sewage treatment, boiler water supply system, opening and closing and adjusting of steam pipeline and other scenes.

[0003] At present, the valve body needs to be casted with sand core, and the sand core is used as mold for pouring, in order to ensure that the pouring forming surface is smooth, the sand core needs to be polished to ensure the smoothness of the sand core surface. The existing sand core polishing method is manual polishing, because the sand core material is soft and irregular in shape, manual polishing can cause the sand core surface to be not smooth, low efficiency, consume manpower, and easily produce overcut phenomenon, and can also produce a lot of broken sand that cannot be collected. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a cut -off valve machine processing integrated equipment to solve the problems of low efficiency of manual polishing, easy overcut phenomenon and uncollectable broken sand.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a cut -off valve machine processing integrated device, comprising:

[0006] A bottom plate, a support frame arranged on the side edge of the bottom plate, the support frame is provided with a support column, the support column is provided with four, two by two symmetrically arranged on the side edge of the bottom plate;The top of the support column is provided with a crossbeam, and the middle section of the crossbeam is provided with an adjusting rotating shaft;A limiting support is arranged between the support frames, and the two sides of the limiting support are connected with the adjusting rotating shaft, and the rotation of the adjusting rotating shaft can drive the limiting support to rotate;A polishing mechanical arm is arranged outside the support frame, comprising a mechanical arm main body and a polishing execution mechanism, the mechanical arm main body is arranged as seven-axis linkage, and the polishing execution mechanism is arranged at the front end of the mechanical arm main body.

[0007] Preferably, the polishing execution mechanism is provided with a floating grinding head, and the up-down floating interval of the floating grinding head is 0-5mm.

[0008] Preferably, the polishing execution mechanism is provided with a six-dimensional force sensor.

[0009] Preferably, the limiting support comprises a rectangular frame and a limiting ring, and the limiting ring is arranged on the side adjacent to the side where the adjusting shaft is connected to the rectangular frame.

[0010] Preferably, two limiting rings are arranged, and the limiting rings are oppositely arranged.

[0011] Preferably, each limiting ring is provided with a set of outer turning shafts, and the outer turning shafts are arranged on the opposite sides in the horizontal direction of the limiting ring.

[0012] Preferably, the maximum turning angle of the outer turning shaft is 80°.

[0013] Preferably, the bottom plate is provided with a sandwich layer.

[0014] Preferably, the sandwich layer is provided with a collection plate, and the collection plate can move linearly in the sandwich layer.

[0015] Preferably, the top layer of the bottom plate is provided as a hollow layer, and the hollow layer is provided with a plurality of rectangular hollow grooves.

[0016] The above technical solutions are adopted in the present application, and the present application has at least the following beneficial effects:

[0017] The limiting support is used for fixing the valve body sand core, the adjusting shaft of the supporting frame drives the rotation of the limiting support, the rotation adjustment of the valve body sand is realized, the polishing mechanical arm is used for polishing in the whole domain, and the broken sand and gravel after polishing is collected and cleaned by the collection plate of the bottom plate.

[0018] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] 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 embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0020] Figure 1 is a structural schematic diagram provided by the present application;

[0021] Figure 2 is a limiting ring structure schematic diagram provided by the present application;

[0022] In the figure: 1, the bottom plate; 2, support frame; 3, limit support; 4, polishing mechanical arm; 11, rectangular hollow groove; 12, sandwich; 13, collection plate; 21, support column; 22, crossbeam; 23, adjusting pivot; 31, rectangular frame; 32, limit ring; 41, mechanical arm main body; 42, polishing actuating mechanism; 43, floating grinding head; 321, everted pivot. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0024] The specific embodiment of the utility model provides a stop valve machining integrated device, combining the drawings Figure 1 As shown, mainly including bottom plate 1, support frame 2, limit support 3 and polishing mechanical arm 4, wherein, support frame 2 is arranged at the side of bottom plate 1, support frame 2 is provided with support column 21, support column 21 is provided with four, two two symmetrical settings are arranged at the side of bottom plate 1;Support column 21 top is provided with crossbeam 22, the middle section of crossbeam 22 is provided with adjusting pivot 23;

[0025] Limit support 3 is arranged between support frame 2, and the two sides of limit support 3 are connected with adjusting pivot 23, and the rotation of adjusting pivot 23 can drive limit support 3 to rotate;

[0026] Polishing mechanical arm 4 is arranged outside support frame 2, including mechanical arm main body 41 and polishing actuating mechanism 42, mechanical arm main body 41 is set as seven-axis linkage, and polishing actuating mechanism 42 is arranged at the front end of mechanical arm main body 41.

[0027] Specifically, polishing mechanical arm 4 includes mechanical arm main body 41 and polishing actuating mechanism 42, mechanical arm main body 41 adopts high-precision, high-flexibility collaborative mechanical arm, adopts seven-axis linkage design, supports complex trajectory motion;The polishing mechanical arm 4 adopts integrated trajectory planning algorithm, force-position hybrid control algorithm, is matched with low-inertia servo motor and high-response driver, and is used for controlling the floating grinding head 43 of polishing actuating mechanism 42, realizes the fine polishing of the valve body sand core of stop valve;Polishing actuating mechanism 42 is provided with six-dimensional force sensor, and the contact force of floating grinding head 43 contacting valve body sand core is fed back in real time, constant force polishing is realized, and overgrinding or undergrinding is avoided;Floating grinding head 43 can realize 0~5mm up-down floating range.

[0028] Specifically, the bottom plate 1 is provided as two layers, the bottom layer is used to be horizontally placed on the construction surface, the top layer is provided with a plurality of hollow rectangular hollow grooves 11, a sandwich layer 12 is arranged between the bottom layer and the top layer, a collection plate 13 is arranged in the sandwich layer 12, and the collection plate 13 can move linearly in the sandwich layer 12; the polished gravel falls on the bottom plate 1, falls into the collection plate 13 through the rectangular hollow groove 11, and the gravel is collected in the collection plate 13 through the collection plate 13 being pulled out of the sandwich layer 12 for unified treatment.

[0029] Specifically, support frames 2 are arranged on both sides of the bottom plate 1, the support frame 2 comprises a support column 21 and a cross beam 22, the support column 21 is provided with four pairs of symmetrically arranged support columns 21 on the side edges of the bottom plate 1, which are adjacent to the two sides of the side where the collection plate 13 can move; the cross beam 22 is arranged at the top of the support column 21, the cross beam 22 is provided with an adjusting pivot 23, the adjusting pivot 23 is arranged at the middle position of the cross beam 22, the adjusting pivot 23 is used to connect the limiting support 3 and the cross beam 22 as a whole, the limiting support 3 can be driven to rotate through the rotation of the adjusting pivot 23, the forward and reverse rotation of the valve body sand core is realized, and the fine polishing of the valve body sand core by the polishing mechanical arm 4 is realized.

[0030] Specifically, the limiting support 3 comprises a rectangular frame 31 and a limiting ring 32, two limiting rings 32 are arranged at the middle positions of the opposite frames of the rectangular frame 31, as shown in Figure 2 The limiting ring 32 is provided with an everted pivot 321, the opening and closing of the limiting ring 32 can be rotary motion with the everted pivot 321 as the base point, the maximum opening and closing angle of the everted pivot 321 is 80°, and the inlet and outlet positions of the valve body sand core are fixed through the opening and closing of the limiting ring 32.

[0031] The working principle of the embodiment is as follows: the limiting ring 32 is opened through the everted pivot 321, the inlet and outlet ends of the valve body sand core are respectively placed in the limiting ring 32, the limiting ring 32 is closed to fix the valve body sand core, the polishing mechanical arm 4 is started to finely polish the valve body sand core through the floating grinding head 43, the gravel generated in the polishing process is collected through the collection plate 13 of the bottom plate 1, and the gravel is cleaned by pulling out the collection plate 13 when the collection plate 13 is full.

[0032] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or part or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A stop valve machining integrated device characterized by comprising: Include: The bottom plate (1); Support frame (2), the support frame (2) is arranged in the side of the bottom plate (1), the support frame (2) is provided with support column (21), the support column (21) is provided with four, two two symmetry is arranged in the side of the bottom plate (1);The top of the support column (21) is provided with crossbeam (22), the middle section of the crossbeam (22) is provided with adjusting pivot (23); Limit support (3), the limit support (3) is arranged between the support frame (2), the two sides of the limit support (3) are connected with the adjusting pivot (23), the rotation of the adjusting pivot (23) can drive the limit support (3) to rotate; Polishing mechanical arm (4), the polishing mechanical arm (4) is arranged outside the support frame (2), including mechanical arm body (41) and polishing execution mechanism (42), the mechanical arm body (41) is arranged as seven-axis linkage, the polishing execution mechanism (42) is arranged at the front end of the mechanical arm body (41).

2. The integrated machining device of the stop valve according to claim 1, wherein: The polishing execution mechanism (42) is provided with a floating grinding head (43), and the up-down floating interval of the floating grinding head (43) is 0-5 mm.

3. The integrated machining device of the stop valve according to claim 2, wherein: The polishing execution mechanism (42) is provided with a six-dimensional force sensor.

4. The integrated machining device of the stop valve according to claim 1, wherein: The limit support (3) comprises a rectangular frame (31) and a limit ring (32), and the limit ring (32) is arranged on the adjacent side of the side of the rectangular frame (31) connected with the adjusting pivot (23).

5. The integrated machining device of the stop valve according to claim 4, wherein: The limit ring (32) is provided with two, and the limit rings (32) are oppositely arranged.

6. The integrated machining device of the stop valve according to claim 5, wherein: Each limit ring (32) is provided with a group of everted shafts (321), and the everted shafts (321) are arranged on the opposite sides in the horizontal direction of the limit ring (32).

7. The integrated machining device of the stop valve according to claim 6, wherein: The maximum everted angle of the everted shaft (321) is 80°.

8. The integrated machining device of the stop valve according to claim 1, wherein: The bottom plate (1) is provided with a sandwich layer (12).

9. The integrated machining device of the stop valve according to claim 8, wherein: The sandwich layer (12) is provided with a collection plate (13), and the collection plate (13) can move linearly in the sandwich layer (12).

10. The integrated machining device of the stop valve according to claim 9, wherein: The top layer of the bottom plate (1) is provided as a hollow layer, and the hollow layer is provided with a plurality of rectangular hollow grooves (11).