Positioning tool for numerical control machining of metal products

Abstract

The utility model relates to the technical field of positioning tools, in particular to a positioning tool for numerical control machining of metal products, which comprises a tool table, two groups of movable supporting plates are symmetrically mounted on the upper end face of the tool table, the movable supporting plates are horizontally and slidably connected with the tool table, and a driving part for adjusting the distance between the two groups of movable supporting plates is further mounted in the tool table. An extending bracket is installed on the upper end face of the movable supporting plate in an inserted mode, a top clamping plate matched with the movable supporting plate is arranged over the movable supporting plate, and the top clamping plate is connected with the movable supporting plate through a locking screw rod. The two sets of movable supporting plates are arranged on the tool table, so that the distance between the two sets of movable supporting plates can be flexibly adjusted through the driving piece in actual use, and workpieces of different sizes can be easily clamped and used; and in addition, during clamping use, the extending bracket can be inserted and mounted on the movable supporting plate to improve the supporting effect on the two ends of the workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field, especially in kind positioning frock for metal product numerical control processing. BACKGROUND

[0002] Metal products need corresponding positioning frock to carry out positioning clamping when numerical control processing, guarantee that metal products can be stably placed in the processing.

[0003] The existing Chinese patent with the publication number CN114833600B discloses a mold finishing numerical control milling machine workpiece positioning frock, which comprises a base, a supporting column is fixedly installed on the left side of the base, a transmission box is fixedly installed on the top of the supporting column, two supporting rods are fixedly installed on the top of the base, a fixer is fixedly installed on the top of the base, a driving box is fixedly installed on the front of the transmission box, an extension rod is fixedly installed on the bottom of the driving box, a connecting rod is fixedly installed on the bottom of the extension rod, and a drill rod is fixedly installed on the bottom of the connecting rod.

[0004] For the related technology in the above, it is found that the positioning frock in the above fixes the workpiece by the way of clamping at both ends, so when the size of the workpiece is large, the middle part is easy to bend or shake in the processing process, which will affect the quality of processing. UTILITY MODEL CONTENTS

[0005] The utility model solves the problem in the related art and provides a positioning frock for metal product numerical control processing.

[0006] In order to solve the above technical problem, the utility model is realized by the following technical scheme:

[0007] A positioning frock for metal product numerical control processing, which comprises a frock table, two groups of movable supporting plates are symmetrically installed on the upper end face of the frock table, the movable supporting plates are horizontally slidably connected with the frock table, and a driving piece for adjusting the distance between the two groups of movable supporting plates is also installed in the frock table, an extension bracket is inserted and installed on the upper end face of the movable supporting plate, and a top clamping plate matched therefor is arranged directly above the movable supporting plate, the top clamping plate is connected with the movable supporting plate through a locking screw, a middle supporting bracket is also installed on the middle part of the upper end face of the frock table, and the middle supporting bracket is slidably connected with the frock table.

[0008] As a preferred scheme, first sliding grooves are formed on the both sides of the upper end face of the frock table for slidably installing the movable supporting plates, and a second sliding groove is also formed in the middle part of the upper end face of the frock table for slidably installing the middle supporting bracket.

[0009] As a preferred scheme, the movable supporting plate comprises a main supporting plate and a first sliding block, the first sliding block is fixedly installed on the lower end surface of the main supporting plate, and the first sliding block is slidingly installed in a first sliding groove, and the upper end surface of the main supporting plate is provided with a plug-in groove for installing the extension bracket.

[0010] As a preferred scheme, the driving member comprises a double-head motor and a connecting screw rod, the double-head motor is fixedly installed in the tooling table, and the connecting screw rod is installed on the output end of the double-head motor.

[0011] As a preferred scheme, the extension bracket comprises an arc-shaped supporting plate and a plug-in plate, the plug-in plate is arranged at two ends of the arc-shaped supporting plate, and the plug-in plate is integrally formed with the arc-shaped supporting plate.

[0012] As a preferred scheme, the middle part of the lower end surface of the main supporting plate is provided with a threaded pipe matched with the connecting screw rod, the side surface of the main supporting plate is provided with an extension plate, the threaded pipe and the extension plate are fixedly connected with the main supporting plate, and the extension plate is provided with a threaded hole for installing a locking screw rod.

[0013] As a preferred scheme, the middle supporting bracket comprises a sliding seat and a ring-shaped supporting bracket, the sliding seat is slidingly installed in a second sliding groove, the ring-shaped supporting bracket is installed on the upper end surface of the sliding seat, one end of the ring-shaped supporting bracket is rotationally connected with the sliding seat, and a magnetic attraction stopper is further installed on the sliding seat and slidingly connected with the sliding seat.

[0014] Compared with the prior art, the application has the advantages that two groups of movable supporting plates are arranged on the tooling table, so that the distance between the two groups of movable supporting plates can be flexibly adjusted by the driving member during actual use, different sizes of workpieces can be clamped and used, the extension bracket can be plugged and installed on the movable supporting plate to increase the supporting effect on the two ends of the workpiece during clamping and using, the middle part of the workpiece can be supported by the middle supporting bracket when the workpiece is large in size, the stability of the workpiece can be ensured during machining of workpieces of different sizes, and the application has the advantages of easy adjustment and use and stable machining. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic diagram of the whole structure of the application;

[0016] Figure 2 is Figure 1 is a perspective view of the device shown in the figure without installing the top clamping plate and the locking screw rod;

[0017] Figure 3 is Figure 2 is a perspective view of the device shown in the figure without installing the extension bracket and the middle supporting bracket;

[0018] Figure 4 is a perspective view of the middle supporting bracket in the embodiment of the application;

[0019] Figure 5 is Figure 4 front view of the device shown in the figure.

[0020] Figure 6 is a perspective view of the extension bracket in the embodiment of the utility model.

[0021] In the figure: 1, tooling table;11, first sliding chute;12, second sliding chute;2, movable supporting plate;21, main supporting plate;210, plug-in slot;211, threaded pipe;212, outer extension plate;22, first sliding block;3, driving part;31, double-head motor;32, connecting screw;4, extension bracket;41, arc-shaped supporting plate;42, plug-in plate;5, top clamping plate;6, locking screw;7, middle bracket;71, sliding seat;72, annular bracket;73, magnetic attraction stopper. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0024] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the Examples are not intended to limit the scope of the present application unless specifically stated otherwise. Also, it is to be understood that the dimensions of the various parts shown in the drawings are not drawn to scale for the sake of convenience. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the specification as appropriate. In all examples shown and discussed herein, any specific value is to be interpreted as merely an example, and not a limitation. Thus, other examples of the exemplary embodiments can have different values. It is to be noted that like numbers and letters refer to like elements throughout the several views of the drawings, and that the description can not further discuss the same elements in the subsequent drawings.

[0025] In the description of the present application, it needs to be understood that the orientation words such as "front, back, up, down, left, right", "transverse, vertical, perpendicular, horizontal", and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0026] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0027] In addition, it needs to be noted that the use of the words "first", "second" and the like to define parts of components is only for the convenience of distinguishing the corresponding parts of components, and the above words have no special meaning unless otherwise stated, therefore, it cannot be understood as a limitation on the scope of protection of the present application.

[0028] Referring toFigure 1 , Figure 2 and Figure 3 As shown, a positioning fixture for CNC machining of metal products includes a fixture table 1. Two sets of movable support plates 2 are symmetrically installed on the upper end face of the fixture table 1. The movable support plates 2 are horizontally slidably connected to the fixture table 1. A driving component 3 for adjusting the distance between the two sets of movable support plates 2 is also installed in the fixture table 1. An extension bracket 4 is inserted and installed on the upper end face of the movable support plate 2. A matching top clamping plate 5 is provided directly above the movable support plate 2. The top clamping plate 5 is connected to the movable support plate 2 by a locking screw 6. A middle bracket 7 is also installed in the middle of the upper end face of the fixture table 1. The middle bracket 7 is slidably connected to the fixture table 1. The fixture table 1 is designed to ensure stable installation of the movable pallets 2. During use, two sets of movable pallets 2 can be stably installed on the upper surface of the fixture table 1, providing support for both ends of the workpiece. The drive unit 3 allows for flexible adjustment of the distance between the two sets of movable pallets 2 according to the workpiece size. An extension bracket 4 is inserted and installed on the upper surface of the movable pallets 2. For larger workpieces, the extension bracket 4 provides additional support at both ends. A top clamping plate 5 is installed directly above the movable pallets 2. Once the workpiece is placed on the movable pallets 2, the top clamping plate 5 is fixed to the upper surface of the workpiece using locking screws 6, achieving stable clamping. A middle bracket 7 is installed in the middle of the upper surface of the fixture table 1 to provide auxiliary support for the middle of large workpieces during processing, preventing workpiece wobbling and increasing processing accuracy. The upper surface of the tooling table 1 has first sliding grooves 11 on both sides for the movable pallet 2 to slide and be installed, and a second sliding groove 12 is also provided in the middle of the upper surface of the tooling table 1 for the middle bracket 7 to slide and be installed. The first sliding grooves 11 and the second sliding grooves 12 are provided to ensure that the movable pallet 2 and the middle bracket 7 can be stably slid and installed on the tooling table 1.

[0029] Reference Figure 3 As shown, the movable tray 2 includes a main tray 21 and a first slider 22. The first slider 22 is fixedly installed on the lower end face of the main tray 21 and slidably installed in the first slide groove 11. The upper end face of the main tray 21 is provided with an insertion groove 210 for mounting the extension bracket 4. By designing the movable tray 2 into a structure in which the main tray 21 and the first slider 22 cooperate, the main tray 21 can be stably adjusted in its position by sliding the first slider 22 in the first slide groove 11 when in use.

[0030] Reference Figure 3As shown, the driving member 3 comprises a double-head motor 31 and a connecting screw 32, the double-head motor 31 is fixedly installed in the tooling table 1, and the connecting screw 32 is installed at the output end of the double-head motor 31. By designing the driving member 3 as a structure that the double-head motor 31 cooperates with the connecting screw 32, it is easy to use the double-head motor 31 to drive the two ends of the connecting screw 32 to stably and synchronously rotate, and then the connecting screw 32 can drive the two ends of the movable supporting plate 2 to synchronously move, thereby facilitating the stable adjustment of the distance between the two groups of movable supporting plates 2. The middle part of the lower end surface of the main supporting plate 21 is provided with a threaded pipe 211 cooperating with the connecting screw 32, and the side surface of the main supporting plate 21 is provided with an extension plate 212, both the threaded pipe 211 and the extension plate 212 are fixedly connected with the main supporting plate 21, and the extension plate 212 is provided with a threaded hole for installing the locking screw 6. By setting the threaded pipe 211 in the middle part of the lower end surface of the main supporting plate 21, it is convenient to use the threaded pipe 211 to cooperate with the connecting screw 32, and then the rotation of the connecting screw 32 can drive the main supporting plate 21 to move, and the extension plate 212 and the threaded hole are provided to ensure that the locking screw 6 is stably installed.

[0031] Referring to Figure 6 As shown, the extension bracket 4 comprises an arc-shaped supporting plate 41 and an insertion plate 42, the insertion plate 42 is arranged at both ends of the arc-shaped supporting plate 41, and the insertion plate 42 is integrally formed with the arc-shaped supporting plate 41. By designing the extension bracket 4 as a structure that the arc-shaped supporting plate 41 cooperates with the insertion plate 42, it is easy to use the extension bracket 4 to stably insert into the insertion slot 210 of the main supporting plate 21, and it can be directly disassembled when not in use, which is very convenient to use.

[0032] Referring to Figure 4 and Figure 5 As shown, the middle bracket 7 comprises a sliding seat 71 and a ring-shaped bracket 72, the sliding seat 71 is slidingly installed in the second sliding groove 12, the ring-shaped bracket 72 is installed at the upper end surface of the sliding seat 71, one end of the ring-shaped bracket 72 is rotatably connected with the sliding seat 71, and a magnetic attraction stopper 73 is also installed on the sliding seat 71 and slidingly connected with the sliding seat 71. By designing the middle bracket 7 as a structure that the sliding seat 71 cooperates with the ring-shaped bracket 72, it is easy to use the sliding seat 71 to stably install in the second sliding groove 12, and the ring-shaped bracket 72 is arranged to facilitate direct support on the lower end surface of the product when in use, and the ring-shaped bracket 72 can be flipped to the vertical position when not in use, and then be fixed by the magnetic attraction stopper 73, so that the middle bracket 7 can be stably flipped when not in use, without affecting normal processing.

[0033] In the embodiment, when the machining is used, whether to use the extension bracket 4 and the middle bracket 7 is selected, when the workpiece size is small, only the movable supporting plate 2 is needed to cooperate with the top clamping plate 5 to clamp and fix the two ends of the workpiece, when the workpiece size is large, the extension bracket 4 is inserted and installed on the movable supporting plate 2, the extension bracket 4 is used to support the support effect of the two ends of the workpiece, and when the middle part of the workpiece needs to be supported, the annular bracket 72 is flipped to the sliding seat 71, then the middle bracket 7 is slid to the lower end of the workpiece, and the annular bracket 72 is used to support the middle part of the workpiece.

[0034] The above is the preferred embodiment of the utility model, the skilled in the art of the utility model can also change and modify the above-mentioned embodiment, therefore, the utility model is not limited to the specific embodiments described above, any obvious improvement, replacement or modification made by the skilled in the art on the basis of the utility model belongs to the protection scope of the utility model.

Claims

1. A positioning tool for numerical control machining of metal products, comprising a tool table (1), characterized in that: The upper end face of the tooling table (1) is symmetrically provided with two groups of movable supporting plates (2), the movable supporting plates (2) are horizontally and slidingly connected with the tooling table (1), and the tooling table (1) is further provided with driving members (3) for adjusting the distance between the two groups of movable supporting plates (2), the upper end face of the movable supporting plate (2) is provided with an extension bracket (4) in a plug-in manner, and a top clamping plate (5) is arranged above the movable supporting plate (2) in a matched manner, the top clamping plate (5) is connected with the movable supporting plate (2) through a locking screw (6), and the middle part of the upper end face of the tooling table (1) is further provided with a middle bracket (7), and the middle bracket (7) is slidingly connected with the tooling table (1).

2. The positioning tooling for numerically controlled machining of metal products according to claim 1, characterized in that: First sliding grooves (11) are formed in the upper end face of the tooling table (1) on both sides for slidingly mounting the movable supporting plates (2), and second sliding grooves (12) are further formed in the middle part of the upper end face of the tooling table (1) for slidingly mounting the middle bracket (7).

3. The positioning tooling for numerically controlled machining of metal products according to claim 2, characterized in that: The movable supporting plate (2) comprises a main supporting plate (21) and a first sliding block (22), the first sliding block (22) is fixedly installed on the lower end face of the main supporting plate (21), and the first sliding block (22) is slidingly installed in the first sliding groove (11), and the upper end face of the main supporting plate (21) is provided with a plug-in groove (210) for mounting the extension bracket (4).

4. The positioning tooling for numerically controlled machining of metal products according to claim 3, characterized in that: The driving member (3) comprises a double-head motor (31) and a connecting screw (32), the double-head motor (31) is fixedly installed in the tooling table (1), and the connecting screw (32) is installed on the output end of the double-head motor (31).

5. The positioning tooling for numerically controlled machining of metal products according to claim 4, characterized in that: The extension bracket (4) comprises an arc-shaped supporting plate (41) and a plug-in plate (42), the plug-in plate (42) is arranged at both ends of the arc-shaped supporting plate (41), and the plug-in plate (42) is integrally formed with the arc-shaped supporting plate (41).

6. The positioning tooling for numerically controlled machining of metal products according to claim 5, characterized in that: The middle part of the lower end face of the main supporting plate (21) is provided with a threaded pipe (211) matched with the connecting screw (32), the side face of the main supporting plate (21) is provided with an extension plate (212), the threaded pipe (211) and the extension plate (212) are fixedly connected with the main supporting plate (21), and the extension plate (212) is provided with a threaded hole for mounting the locking screw (6).

7. The positioning tooling for numerically controlled machining of metal products according to claim 6, characterized in that: The middle bracket (7) comprises a sliding seat (71) and an annular bracket (72), the sliding seat (71) is slidingly installed in the second sliding groove (12), the annular bracket (72) is installed on the upper end face of the sliding seat (71), and one end of the annular bracket (72) is rotatably connected with the sliding seat (71), and a magnetic attraction stop bracket (73) is further installed on the sliding seat (71), and the magnetic attraction stop bracket (73) is slidingly connected with the sliding seat (71).

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