Valve body drilling and milling limiting tool

Abstract

The utility model provides a kind of valve body drilling and milling limiting tool, comprising: the threaded hole is set in the middle of connecting base;Plate guide block is set in the top end of connecting base and is set around the periphery of connecting base;Connecting hole is set in the periphery of connecting base and is located at the interval between adjacent plate guide blocks;Positioning limiting module is set in the top of plate guide block;Compression limiting module bottom is clamped in threaded hole by threaded cooperation, and the top of compression limiting module extends vertically away from the side direction of connecting base, the plate screw rod in compression limiting module is unscrewed from the connecting base, the tight nut is loosened, the valve body is placed on the top of plate guide block, and the valve body is abutted by moving limiting slide, the tight nut is tightened in turn by abutting tightly moving limiting slide, the plate screw rod is screwed into threaded hole by passing through valve body, the valve body is abutted by plate, and the locking nut is tightened, the limiting for valve body can be completed, tool bolt is installed in horizontal machining center chuck by cooperating with connecting hole, chuck rotating shaft is locked, and machining can be started.

Description

Technical Field

[0001] This utility model relates to the field of valve fitting manufacturing, and in particular to the field of machining slots on the side wall of valve body using horizontal machining centers or CNC machine tools, specifically a valve body drilling and milling limiting tool. Background Technology

[0002] In the process of machining slots on the outer walls of the valve body using existing horizontal machining centers, the traditional chuck clamping can cause indentations around the valve body, damaging the product surface. Therefore, a limiting tooling that will not damage the valve body needs to be designed. Summary of the Invention

[0003] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a valve body drilling and milling limiting tool to solve the difficulties of the prior art.

[0004] To achieve the above and other related objectives, this utility model provides a valve body drilling and milling limiting fixture, comprising:

[0005] A connecting base 1 is provided, wherein a threaded hole 11 is provided in the center of the connecting base 1;

[0006] Pressure plate guide block 2, the pressure plate guide block 2 is bolted to the top of the connecting base 1 and surrounds the connecting base 1;

[0007] Connection hole 12, the connection hole 12 is opened around the connection base 1 at the interval of adjacent pressure plate guide blocks 2;

[0008] Positioning and limiting module 3, which is located on the top of pressure plate guide block 2;

[0009] The clamping and limiting module 4 is fitted into the threaded hole 11 by a threaded engagement at its bottom, and the top of the clamping and limiting module 4 extends straight away from the connecting base 1.

[0010] According to the preferred embodiment, the positioning and limiting module 3 includes:

[0011] Adjust the track groove 31, which is located at the center of the top of the pressure plate guide block 2;

[0012] A fastening nut 32 is fitted at the bottom of the adjusting track groove 31, and a fastening bolt 34 is inserted through the center of the fastening nut 32. The top of the fastening bolt 34 extends straight upward through the adjusting track groove 31.

[0013] The limiting slider 33 is fitted on the top of the fastening bolt 34. The top end of the limiting slider 33 contacts the top screw head of the fastening bolt 34, and the bottom end of the limiting slider 33 is in contact with the pressure plate guide block 2.

[0014] According to a preferred embodiment, the connecting base 1 has rounded corners around its perimeter.

[0015] According to the preferred embodiment, the bottom diameter of the adjustment track groove 31 is larger than the top diameter, and the adjustment track groove 31 is T-shaped.

[0016] According to a preferred embodiment, the limiting slider 33 is cylindrical, and the top and bottom outer sides of the limiting slider 33 are provided with rounded corners.

[0017] According to the preferred embodiment, the clamping and limiting module 4 includes:

[0018] The pressure plate screw 41 is threaded into the threaded hole 11 at its bottom and extends vertically upward.

[0019] Pressure plate 42, which is sleeved on the top of pressure plate screw 41;

[0020] Locking nut 43, which is threadedly fitted onto the top of pressure plate screw 41 and located at the top and bottom of pressure plate 42 respectively.

[0021] According to the preferred embodiment, the bottom edge of the pressure plate 42 is provided with rounded corners.

[0022] This utility model employs a connecting base, a pressure plate guide block, a connecting hole, a positioning and limiting module, and a clamping and limiting module. The pressure plate screw in the clamping and limiting module is unscrewed from the connecting base. The fastening nut is loosened, and the valve body is placed on top of the pressure plate guide block. The moving limiting slider is pressed against the valve body, and the fastening nuts are tightened sequentially. The pressure plate screw is then passed through the valve body and screwed into the threaded hole. The pressure plate presses against the valve body, and the locking nut is tightened to complete the limiting of the valve body. The tooling bolts are then installed in the connecting hole on the chuck of a horizontal machining center. The chuck shaft is locked, and machining can begin.

[0023] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, so as to facilitate an understanding of the features and advantages of the present invention. Attached Figure Description

[0024] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model;

[0025] Figure 2 The diagram shown is a three-dimensional structural schematic of the valve body after installation of this utility model.

[0026] Figure 3 The diagram shown is an enlarged three-dimensional structural schematic of the adjustable track groove in this utility model.

[0027] Figure 4The diagram shown is an enlarged three-dimensional structural schematic of the pressure plate screw in this utility model.

[0028] Label Explanation

[0029] 1. Connecting base; 11. Threaded hole; 12. Connecting hole;

[0030] 2. Pressure plate guide block;

[0031] 3. Positioning and limiting module;

[0032] 31. Adjust the track groove; 32. Tighten the nuts; 33. Limit slider; 34. Tighten the bolts;

[0033] 4. Press and limit the module;

[0034] 41. Pressure plate screw; 42. Pressure plate; 43. Locking nut. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0036] Compared to the embodiments shown in the accompanying drawings, feasible embodiments within the scope of protection of this utility model may have fewer components, have other components not shown in the drawings, different components, components arranged differently, or components with different connections, etc. Furthermore, two or more components shown in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0037] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, “an” or “a” and similar terms do not necessarily indicate a quantity limitation. Terms such as “comprising” or “including” mean that the element or object preceding the word encompasses the element or object listed following the word and its 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; these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0038] This utility model proposes a valve body drilling and milling limiting fixture for use in the process of connecting base 1, pressure plate guide block 2, connecting hole 12, positioning limiting module 3 and pressing limiting module 4. This utility model does not limit the specifications of the cylindrical valve body to be supported, but the structure of connecting base 1, pressure plate guide block 2, connecting hole 12, positioning limiting module 3 and pressing limiting module 4 is particularly suitable for limiting cylindrical valve bodies.

[0039] In general, the valve body drilling and milling limiting fixture proposed in this utility model mainly includes: a connecting base 1, a pressure plate guide block 2, a connecting hole 12, a positioning and limiting module 3, and a clamping and limiting module 4. (See also...) Figure 1 It shows the arrangement of the connecting base 1, the pressure plate guide block 2, the connecting hole 12, the positioning and limiting module 3 and the pressing and limiting module 4.

[0040] When using the valve body drilling and milling limiting fixture proposed in this utility model, first unscrew the pressure plate screw 41 in the clamping and limiting module 4 from the connecting base 1, loosen the fastening nut 32, place the valve body on top of the pressure plate guide block 2, move the limiting slider 33 against the valve body, tighten the moving limiting slider 33, and tighten the fastening nut 32 in sequence. Then, screw the pressure plate screw 41 through the valve body into the threaded hole 11, and the pressure plate 42 against the valve body. Tighten the locking nut 43 to complete the limiting of the valve body. Install the fixture bolts with the connecting hole 12 on the chuck of the horizontal machining center, lock the chuck shaft, and then start machining.

[0041] The connecting base 1 has a threaded hole 11 in the center. The pressure plate guide block 2 is bolted to the top of the connecting base 1 and surrounds the connecting base 1. Connecting holes 12 are opened at intervals between adjacent pressure plate guide blocks 2 around the connecting base 1 to reserve connecting hole positions for installation on the chuck. The connecting base 1 has rounded corners around its perimeter to facilitate the placement and removal of the connecting base 1.

[0042] The aforementioned positioning and limiting module 3 is located on the top of the pressure plate guide block 2. The positioning and limiting module 3 includes: an adjusting track groove 31, a fastening nut 32, and a limiting slider 33. The adjusting track groove 31 is located at the center of the top of the pressure plate guide block 2. The bottom diameter of the adjusting track groove 31 is larger than the top diameter. The adjusting track groove 31 is T-shaped. The fastening nut 32 is secured at the bottom of the adjusting track groove 31. A fastening bolt 34 passes through the center of the fastening nut 32. The top of the fastening bolt 34 extends straight upward through the adjusting track groove 31. A limiting slider 33 is fitted on the top of the fastening bolt 34. The top of the limiting slider 33 contacts the top screw head of the fastening bolt 34. The bottom of the limiting slider 33 is in contact with the pressure plate guide block 2. The limiting slider 33 is cylindrical. The top and bottom outer sides of the limiting slider 33 are rounded to prevent scratching the valve body surface.

[0043] The bottom of the aforementioned clamping and limiting module 4 is threaded into the threaded hole 11, and the top of the clamping and limiting module 4 extends vertically away from the connecting base 1. The clamping and limiting module 4 includes: a pressure plate screw 41, a pressure plate 42, and a locking nut 43. The bottom of the pressure plate screw 41 is threaded into the threaded hole 11, and the pressure plate screw 41 extends vertically upward. The pressure plate 42 is fitted on the top of the pressure plate screw 41, and the locking nut 43 is threaded onto the top and bottom of the pressure plate 42, respectively. The bottom of the pressure plate 42 is rounded to prevent scratching the valve body surface.

[0044] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A valve body drilling and milling limiting fixture, characterized in that, include: A connecting base (1) is provided with a threaded hole (11) in the center of the connecting base (1); Pressure plate guide block (2), the pressure plate guide block (2) is bolted to the top of the connecting base (1) and surrounds the connecting base (1); Connection hole (12), the connection hole (12) is opened around the connection base (1) at the interval of adjacent pressure plate guide blocks (2); Positioning and limiting module (3), the positioning and limiting module (3) is opened on the top of the pressure plate guide block (2); The clamping and limiting module (4) is fitted into the threaded hole (11) at the bottom by a threaded fit, and the top of the clamping and limiting module (4) extends straight away from the connecting base (1).

2. The valve body drilling and milling limiting fixture according to claim 1, characterized in that, The positioning and limiting module (3) includes: Adjust the track groove (31), which is located at the center of the top of the pressure plate guide block (2); A fastening nut (32) is fitted at the bottom of the adjusting track groove (31). A fastening bolt (34) is inserted through the center of the fastening nut (32). The top of the fastening bolt (34) extends straight upward through the adjusting track groove (31). The limiting slider (33) is fitted on the top of the fastening bolt (34). The top end of the limiting slider (33) is in contact with the top screw head of the fastening bolt (34), and the bottom end of the limiting slider (33) is in contact with the pressure plate guide block (2).

3. The valve body drilling and milling limiting fixture according to claim 2, characterized in that, The connecting base (1) has rounded corners around its perimeter.

4. The valve body drilling and milling limiting fixture according to claim 3, characterized in that, The bottom diameter of the adjustment track groove (31) is larger than the top diameter, and the adjustment track groove (31) is T-shaped.

5. The valve body drilling and milling limiting fixture according to claim 4, characterized in that, The limiting slider (33) is cylindrical, and the top and bottom outer sides of the limiting slider (33) are provided with rounded corners.

6. The valve body drilling and milling limiting fixture according to claim 5, characterized in that, The clamping and limiting module (4) includes: The pressure plate screw (41) is threaded into the threaded hole (11) at its bottom and extends vertically upward. Pressure plate (42), which is sleeved on the top of pressure plate screw (41); Locking nut (43) is threadedly fitted onto the top of the pressure plate screw (41) and located at the top and bottom of the pressure plate (42).

7. The valve body drilling and milling limiting fixture according to claim 6, characterized in that, The bottom of the pressure plate (42) is provided with rounded corners.

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