Valve plate machining deburring fixture
By introducing L-shaped limit blocks, spring pin seats, and hydraulic cylinders into the valve plate machining fixture, multi-point precise positioning and automated clamping are achieved, solving the problems of inaccurate positioning and unstable clamping of existing fixtures, and improving machining consistency and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 昆山勇翔精密机械有限公司
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-21
AI Technical Summary
Existing valve plate machining fixtures suffer from low positioning accuracy and poor clamping stability, resulting in insufficient machining consistency and equipment repeatability.
A fixture comprising a mounting base plate, an L-shaped limiting block, a spring pin seat, a hydraulic cylinder, and a water blowing connector is designed. The L-shaped limiting block achieves horizontal positioning, the spring pin seat and the hydraulic cylinder achieve vertical positioning, and the water blowing connector assists in removing processing residue, thus forming a multi-point, multi-directional precise positioning and automated clamping.
It improves the repeatability of valve plate clamping, prevents displacement and deformation during processing, simplifies operation steps, and improves processing efficiency and quality. It is suitable for batch processing of valve plates of various shapes and specifications.
Smart Images
Figure CN224526614U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of valve plate processing fixtures, and in particular to a valve plate deburring fixture. Background Technology
[0002] With the continuous development of modern manufacturing, the improvement of automation and precision machining levels has placed higher demands on the processing quality of parts. In various mechanical systems, the valve plate, as a key component in fluid control devices, directly affects the sealing performance and stability of the entire system due to its flatness, dimensional accuracy, and edge quality. Therefore, after the valve plate is machined, deburring is usually required to remove residual burrs, flash, or minor protrusions from the edges, ensuring stability during subsequent assembly and use. To improve processing efficiency and ensure consistency, the deburring process of the valve plate is usually performed using fixtures for positioning, fixing, and auxiliary operations, thereby achieving precise clamping and efficient machining.
[0003] In the prior art, Chinese patent document CN213003984U discloses a fixing fixture for deburring valves, including an operating table. A limiting box is fixedly connected to the top of the operating table. Circular grooves are formed on both the left and right sides of the interior of the limiting box. A spring is fixedly connected to the inner bottom wall of each of the two circular grooves, and a lifting block is fixedly connected to the other end of each of the two springs. The surfaces of the two lifting blocks are slidably connected to the inner walls of the two circular grooves. This utility model allows control of the fixture's opening and closing by controlling the driving direction of the hydraulic push rod. When a valve needs to be replaced, the worker simply removes the processed valve and replaces it with a new one placed on the placement plate. Furthermore, the worker can rotate the valve by turning the clamping knob on the right side to deburr either side of the valve, greatly saving time and improving work efficiency. However, consistent with existing technologies, it relies on the sliding connection of springs and circular grooves and does not design a dedicated limiting mechanism for the bottom groove and corner positioning hole of the valve plate. Due to its simple structure and lack of interactive positioning with the specific shape of the valve plate, the valve plate is prone to sliding or shifting during clamping, which is not conducive to the accuracy of burr removal and the repeatability of the equipment. The lack of a pressure plate or multi-point support design may cause the fixture to loosen or deform, affecting the consistency of processing and resulting in poor practicality. Therefore, this utility model discloses a valve plate deburring fixture to solve the problems of low positioning accuracy and poor clamping stability of existing fixtures. Utility Model Content
[0004] In view of this, the purpose of this utility model is to propose a deburring fixture for valve plate processing, so as to solve the problems of low positioning accuracy and poor clamping stability of existing fixtures.
[0005] To achieve the above objectives, this utility model provides a deburring fixture for valve plate processing, comprising: a mounting base plate, the mounting base plate being rectangular, two sets of unprocessed valve plates being placed on the top of the mounting base plate, and a set of clamping components being provided at both ends of the upper surface of the mounting base plate, the clamping components being used to clamp the unprocessed valve plates.
[0006] Preferably, the clamping assembly includes multiple sets of L-shaped limiting blocks. The bottom end of each set of L-shaped limiting blocks is mounted on the mounting base plate by a fixing pin. The position of each set of L-shaped limiting blocks on the mounting base plate corresponds to the groove at the bottom end of the unprocessed valve plate. A limiting hole is provided at the corresponding corner of the unprocessed valve plate. A spring pin seat is installed on the mounting base plate corresponding to the position of each set of limiting holes. A support pin is provided on the inner side of the spring pin seat. A hydraulic cylinder mounting seat is installed on the mounting base plate between two sets of unprocessed valve plates on the same side. The bottom end of the hydraulic cylinder mounting seat is mounted on the mounting base plate. A double-headed pressure plate is provided at the top end of the hydraulic cylinder mounting seat. Clamping posts are provided on the lower end faces of both ends of each set of double-headed pressure plates. A first hole is opened on the mounting base plate corresponding to the position of the hydraulic cylinder mounting seat. A hydraulic cylinder is installed in the middle of the bottom end face of the hydraulic cylinder mounting seat. The output end of the hydraulic cylinder is installed in the middle of the bottom end face of the hydraulic cylinder mounting seat through the first hole.
[0007] Preferably, the short side of each group of L-shaped limiting blocks is fixedly mounted on the corresponding position on the mounting base plate by a fixing pin, and the bottom of the unprocessed valve plate is provided with a groove that matches the end of the long side of each group of L-shaped limiting blocks.
[0008] Preferably, the bottom of the spring pin seat is fixedly mounted on the upper surface of the mounting base plate by a fixing pin, and the top of the spring pin seat is provided with a spring pin post. The top of the spring pin post abuts against the corresponding position on the unprocessed valve plate, and the unprocessed valve plate is provided with a pin hole corresponding to the top position of each set of spring pin posts. The pin hole fits with the top of the spring pin post.
[0009] Preferably, the bottom of the support pin is fixedly mounted on the mounting base plate by a fixing pin, and the top of the support pin abuts against the corresponding position on the lower end face of the unprocessed valve plate.
[0010] Preferably, each of the four corners of the unprocessed valve plate in each group is equipped with a water blowing connector on the mounting base plate.
[0011] Preferably, the bottom end of the clamping column installed at the end of each set of double-headed pressure plates abuts against the corresponding position of the unprocessed valve plate.
[0012] The beneficial effects of this utility model are:
[0013] By setting multiple sets of L-shaped limiting blocks on the mounting base that correspond to the grooves at the bottom of the valve plate, not only can the valve plate be limited in the horizontal direction, but it can also effectively prevent its displacement during processing. Combined with spring pin seats and spring pins located at the corners of the valve plate, the valve plate's position in the vertical direction is further locked, thus achieving multi-point, multi-directional precise positioning and improving the repeatability of the valve plate's clamping accuracy. The support pin structure provides additional support from below, solving the problems of workpiece swaying and deformation caused by uneven force or insufficient clamping in traditional fixtures, effectively protecting the integrity of the valve plate's shape. Furthermore, the hydraulic cylinder on the cylinder mounting base is linked with the double-headed pressure plate, applying stable vertical pressure to the valve plate through the clamping columns. This not only improves clamping efficiency but also achieves automated control, simplifies manual operation steps, and significantly improves the overall processing cycle and efficiency. The water-blowing connector structure on the mounting base can also assist in removing processing residues during deburring, keeping the processed surface clean and contributing to improved processing quality and subsequent inspection results. In summary, this fixture is reasonably designed and has a compact structure. It not only effectively solves the problems of inaccurate positioning, unstable clamping, and cumbersome operation in the existing technology, but also has good versatility and scalability. It is suitable for batch and efficient processing of valve plates of various shapes and specifications, and has high practical value and promotion prospects. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a three-dimensional structural diagram of part of the present utility model;
[0017] Figure 3 This is a three-dimensional structural diagram of part of the present utility model;
[0018] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.
[0019] The diagram is marked as follows:
[0020] 1. Mounting base plate; 2. Hydraulic cylinder mounting seat; 3. Water blowing connector; 4. Support pin; 5. Spring pin seat; 6. L-shaped limit block; 7. Unprocessed valve plate; 8. Double-headed pressure plate; 9. Hydraulic cylinder. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.
[0022] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0023] This utility model provides, for example Figures 1 to 4 The deburring fixture for valve plate processing shown includes: a mounting base 1, which is rectangular in shape. Two sets of unprocessed valve plates 7 are placed on the top of the mounting base 1, and a set of clamping components are provided at both ends of the upper surface of the mounting base 1. The clamping components are used to clamp the unprocessed valve plates 7. By setting multiple sets of L-shaped limiting blocks 6 on the mounting base 1 corresponding to the bottom grooves of the valve plates, not only can the valve plates be limited in the horizontal direction, but their displacement during processing can also be effectively prevented. With the help of spring pin seats 5 and spring pins set at the corners of the valve plates, the position of the valve plates in the vertical direction is further locked, thereby achieving multi-point and multi-directional precise positioning and improving the repeatability of valve plate clamping accuracy. The support pin 4 structure provides additional support from below, solving the problem of workpiece shaking and deformation caused by uneven force or insufficient clamping in traditional fixtures, and effectively protecting the integrity of the valve plate's shape. Furthermore, the hydraulic cylinder 9 mounted on the cylinder mounting base 2 is linked with the double-headed pressure plate 8, applying stable vertical pressure to the valve plate through the clamping columns. This not only improves clamping efficiency but also achieves automated control, simplifies manual operation, and significantly improves the overall processing cycle and efficiency. The water blowing connector 3 structure on the mounting base 1 can also assist in removing processing residues during deburring, keeping the processed surface clean and contributing to improved processing quality and subsequent inspection results. In summary, this fixture is reasonably designed and compactly structured, effectively solving problems such as inaccurate positioning, unstable clamping, and cumbersome operation in existing technologies. It also has good versatility and scalability, making it suitable for the batch and efficient processing of valve plates of various shapes and specifications, and possessing high practical value and promising prospects for promotion.
[0024] Furthermore, in this example, such as Figure 3 and Figure 4 As shown, the clamping assembly includes multiple sets of L-shaped limiting blocks 6. The bottom end of each set of L-shaped limiting blocks 6 is mounted on the mounting base plate 1 by a fixing pin. The position of each set of L-shaped limiting blocks 6 on the mounting base plate 1 corresponds to the groove at the bottom end of the unprocessed valve plate 7. The corresponding corner of the unprocessed valve plate 7 is provided with a limiting hole. A spring pin seat 5 is installed on the mounting base plate 1 at the position corresponding to each set of limiting holes. A support pin 4 is provided on the inner side of the spring pin seat 5. A hydraulic cylinder mounting seat 2 is installed on the mounting base plate 1 between two sets of unprocessed valve plates 7 on the same side. The bottom end of the hydraulic cylinder mounting seat 2 is mounted on the mounting base plate 1. The top end of the hydraulic cylinder mounting seat 2 is provided with a double-headed pressure plate 8. The lower end face of each set of double-headed pressure plates 8 is provided with clamping posts. A first hole is opened on the mounting base plate 1 at the position corresponding to the hydraulic cylinder mounting seat 2. A hydraulic cylinder 9 is installed in the middle of the bottom end face of the hydraulic cylinder mounting seat 2. The output end of the hydraulic cylinder 9 is installed in the middle of the bottom end face of the hydraulic cylinder mounting seat 2 through the first hole.
[0025] The cylinder mounting base 2, located in the middle of the mounting base 1, is used to support and fix the hydraulic cylinder 9. The hydraulic cylinder 9 passes through the first hole on the mounting base 1 via its output shaft and is linked to the middle of the double-headed pressure plate 8. When the hydraulic cylinder 9 operates, its piston rod extends downward, driving the double-headed pressure plate 8 to move downward as a whole, so that the clamping columns at both ends of the pressure plate act synchronously downward on the upper surface of the unprocessed valve plate 7. Since the clamping columns are respectively located at the center positions of the two sets of unprocessed valve plates 7, their downward pressure can be evenly distributed to the surface of the valve plate, avoiding deformation caused by local stress concentration. The hydraulic cylinder 9 has stable output and high control precision, and the clamping requirements of different workpieces can be met by adjusting the pressure. This hydraulic drive structure, together with the L-shaped limit block 6 and the spring pin, forms a complete automatic clamping system, which can significantly reduce human intervention, realize rapid part change and continuous processing, and improve the automation level and working efficiency of the fixture.
[0026] Furthermore, in this example, such as Figure 1 and Figure 3As shown, the short side of each group of L-shaped limiting blocks 6 is fixedly installed on the corresponding position on the mounting base plate 1 by fixing pins. The bottom of the unprocessed valve plate 7 is provided with a groove that matches the end of the long side of each group of L-shaped limiting blocks 6. The bottom of the spring pin seat 5 is fixedly installed on the upper surface of the mounting base plate 1 by fixing pins, and the top of the spring pin seat 5 is provided with a spring pin column. The top of the spring pin column abuts against the corresponding position on the unprocessed valve plate 7. The unprocessed valve plate 7 is provided with a pin hole corresponding to the top of each group of spring pin columns. The pin hole matches the top of the spring pin column. The bottom of the support nail 4 is fixedly installed on the mounting base plate 1 by fixing pins. The top of the support nail 4 abuts against the corresponding position on the lower surface of the unprocessed valve plate 7. The four corners of each group of unprocessed valve plates 7 are respectively installed with a water blowing connector 3 on the mounting base plate 1. The bottom of the clamping column installed at the end of each group of double-headed pressure plates 8 abuts against the unprocessed valve plate 7 at the corresponding position.
[0027] The short side of the L-shaped limiting block 6 is fixed to the mounting base plate 1 by a fixing pin, and the long side faces the inside of the workpiece and is inserted into the groove at the bottom of the unprocessed valve plate 7, thereby achieving forced positioning in the horizontal direction and preventing the workpiece from sliding in the X and Y directions. At the same time, the four corners of the unprocessed valve plate 7 are preset with limiting holes, which automatically align with the spring pins in the spring pin seat 5 when placed. The spring drives the pins to pop up and insert into the limiting holes, completing the positioning in the Z direction (vertical direction) and preventing the unprocessed valve plate 7 from floating or rotating. To enhance the support stability, a support pin 4 is provided on the inner side of the spring pin seat 5. The support pin 4 is connected to the mounting base plate 1 by a fixing pin, and its top rests on the corresponding position at the bottom of the unprocessed valve plate 7, effectively resisting the downward pressure during the clamping process and preventing the workpiece from deforming or shaking. In addition, the mounting base plate 1 is provided with a water blowing connector 3 at the four corners, which can be connected to compressed air or liquid during the deburring process to remove debris and burr residue in the processing area in a timely manner, keep the processing environment clean, and thus further improve the processing quality and the accuracy of subsequent inspection. The overall structural design forms a closed-loop collaborative mechanism of positioning, support, clamping, and cleaning, which greatly improves the stability, efficiency, and reliability of the fixture in batch deburring operations.
[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.
[0029] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A deburring fixture for valve plate processing, characterized in that, include: Mounting substrate (1) is rectangular. Two sets of unprocessed valve plates (7) are placed on the top of the mounting substrate (1). A set of clamping components is provided at both ends of the upper surface of the mounting substrate (1). The clamping components are used to clamp the unprocessed valve plates (7).
2. The valve plate deburring fixture according to claim 1, characterized in that, The clamping assembly includes multiple sets of L-shaped limiting blocks (6). The bottom end of each set of L-shaped limiting blocks (6) is mounted on the mounting base plate (1) by a fixing pin. The position of each set of L-shaped limiting blocks (6) on the mounting base plate (1) corresponds to the groove at the bottom end of the unprocessed valve plate (7). The corresponding corner of the unprocessed valve plate (7) is provided with a limiting hole. A spring pin seat (5) is installed on the mounting base plate (1) at the position corresponding to each set of limiting holes. The inner side of the spring pin seat (5) is provided with a support pin (4). Two sets of unprocessed valve plates (7) are located on the same side. A cylinder mounting base (2) is mounted on the mounting base (1). The bottom end of the cylinder mounting base (2) is mounted on the mounting base (1). The top end of the cylinder mounting base (2) is provided with a double-headed pressure plate (8). Each set of double-headed pressure plates (8) has a clamping post on the lower end face of both ends. A first hole is opened on the mounting base (1) corresponding to the position of the cylinder mounting base (2). A hydraulic cylinder (9) is mounted in the middle of the bottom end face of the cylinder mounting base (2). The output end of the hydraulic cylinder (9) is mounted in the middle of the bottom end face of the cylinder mounting base (2) through the first hole.
3. A valve plate deburring fixture according to claim 2, characterized in that, The short side of each set of L-shaped limiting blocks (6) is fixedly installed on the corresponding position on the mounting base plate (1) by a fixing pin. The bottom of the unprocessed valve plate (7) is provided with a groove that matches the end of the long side of each set of L-shaped limiting blocks (6).
4. A valve plate deburring fixture according to claim 3, characterized in that, The bottom of the spring pin seat (5) is fixedly installed on the upper surface of the mounting base plate (1) by a fixing pin, and the top of the spring pin seat (5) is provided with a spring pin post. The top of the spring pin post abuts against the corresponding position on the unprocessed valve plate (7), and the unprocessed valve plate (7) is provided with a pin hole corresponding to the position of the top of each set of spring pin posts. The pin hole matches the top of the spring pin post.
5. A valve plate deburring fixture according to claim 4, characterized in that, The bottom of the support pin (4) is fixedly mounted on the mounting base plate (1) by a fixing pin, and the top of the support pin (4) abuts against the corresponding position of the lower end face of the unprocessed valve plate (7).
6. A valve plate deburring fixture according to claim 5, characterized in that, Each of the four corners of the unprocessed valve plate (7) is equipped with a water blowing connector (3) on the mounting base plate (1).
7. A valve plate deburring fixture according to claim 6, characterized in that, The bottom end of the clamping column installed at the end of each set of double-headed pressure plates (8) abuts against the corresponding unprocessed valve plate (7).