Numerical control machining tool

Abstract

The utility model discloses a numerical control machining tool, and belongs to the technical field of positioning tools. A numerical control machining tool comprises a rack and further comprises a first vertical frame fixedly connected to one side of the rack, and a tensioning piece is connected to the first vertical frame in a sliding mode; the second vertical frame and the limiting frame are located on the same side as the first vertical frame, the second vertical frame and the limiting frame are located on the two sides of the first vertical frame respectively, an abutting rod abutting against the workpiece is fixedly connected to the second vertical frame, and the abutting rod and the limiting frame apply acting force opposite to the pulling force to the workpiece; the supporting piece is arranged on the rack and is used for applying an acting force opposite to the gravity to the workpiece; the workpiece is directly placed on the supporting piece, the height of the workpiece is rapidly and conveniently positioned, then the tensioning piece is used for forming the pulling force in the designated direction in the middle of the inner cavity of the workpiece, and the pulling force is matched with the supporting force opposite to the pulling direction, so that displacement limitation on the workpiece in the horizontal direction is formed; and the stability of the workpiece on the tool is guaranteed through multi-point supporting.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning frock technical field especially relates to a numerical control machine tool frock. BACKGROUND

[0002] Numerical control processing has wide application in large ship manufacturing industry, large mechanical hydraulic power group spare parts workpiece, can realize high accuracy, high speed and economic processing to ship parts, hydraulic power group spare parts, valve, pipeline accessories etc., especially for the spare parts of complex shape, in order to guarantee and promote the stability of the processing, need to use positioning frock to position workpiece.

[0003] Positioning frock is mainly used for the auxiliary tool in numerical control processing, and it ensures the accurate positioning of workpiece in the processing, so as to improve the processing accuracy and efficiency, the frock realizes the accuracy of fixed position through positioning block, can adopt mechanical positioning, pneumatic positioning etc., to adapt to the characteristics of different workpieces, in order to improve the positioning stability and dismounting convenience, we propose a numerical control machine tool frock. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems of how to realize stable positioning and convenient dismounting of workpiece in the prior art, and proposes a numerical control machine tool frock.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A numerical control machine tool frock, including frame, still include: the first stand that is fixedly connected in the one side of frame, wherein, the first stand is slidably connected with the tensioning piece, is used for exerting the tension of close to the first stand to workpiece, the second stand and the limit frame are on the same side with the first stand, and the second stand and the limit frame are located on the two sides of the first stand respectively, wherein, the second stand is fixedly connected with the abutment rod that abuts against workpiece, and the abutment rod and the limit frame exert the force opposite to tension to workpiece, the support is set on the frame, and exerts the force opposite to gravity to workpiece.

[0007] In order to be convenient for adjusting the clamping force to workpiece, preferably, the tensioning piece includes the adjusting rod that is slidably connected on the first stand, the adjusting rod extends to the one end of frock and is slidably connected with the lock block, the lock block is in close contact with the inner cavity wall of workpiece, and the other end of adjusting rod is threadedly connected with adjusting knob, when adjusting knob rotates, the lock block can exert the tension of close to the first stand to workpiece.

[0008] In order to improve the multi-degree-of-freedom positioning of workpiece, further, the first stand top is provided with the cross bar that extends to the inside of frame, the cross bar is threadedly connected with the locking bolt, and the locking bolt is used for abutting against the top of workpiece.

[0009] Preferably, a third stand fixedly connected to the rack is further included, and a positioning rod is inserted into the third stand and matched with the process hole in the middle of the workpiece.

[0010] Preferably, the support member includes a first support rod fixedly connected to the inner frame of the rack, and the first support rod is used for supporting the bottom of the workpiece when the workpiece is placed on the rack.

[0011] In order to be more suitable for the structure of the workpiece, further, the support member further includes a second support rod fixedly connected to the limiting frame, and the second support rod is matched with the front end of the workpiece.

[0012] Preferably, an auxiliary stand fixedly connected to one side of the rack is further included, and an auxiliary rod is inserted into the auxiliary stand and matched with the process hole at the tail end of the workpiece.

[0013] Compared with the prior art, the utility model provides a numerical control machine tooling has the following beneficial effects:

[0014] 1. The numerical control machine tooling, through the lock block exerts the pull force close to the first stand to the workpiece, exerts a directional displacement in the horizontal direction to the workpiece, indirectly reduces the degree of freedom of the workpiece, of course, this mode can also exert the thrust on the other side of the workpiece, reaches the same purpose of reducing the degree of freedom as above,

[0015] 2. The numerical control machine tooling, through the locking bolt and the top of the workpiece, exerts the pressure to the top of the workpiece, makes it closely adhere to the support frame of the bottom, limits the free movement of the workpiece in height,

[0016] 3. The numerical control machine tooling, through the auxiliary rod and the process hole at the tail end of the workpiece, is matched, thereby calibrating and limiting the tail of the workpiece after positioning, guaranteeing the precision of subsequent processing.

[0017] The part not involved in the device is same as or can be realized by the prior art, the utility model directly places the workpiece on the support member, and the height of the workpiece is quickly and conveniently positioned, then the tensioning member is used to form the pulling force in the specified direction in the middle of the inner cavity of the workpiece, and the supporting force opposite to the pulling direction is matched, so that the displacement limitation in the horizontal direction of the workpiece is formed, and the stability of the workpiece on the tooling is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first perspective solid drawing of the numerical control machine tooling provided by the utility model;

[0019] Figure 2 It is a second perspective solid drawing of the numerical control machine tooling provided by the utility model;

[0020] Figure 3 The utility model provides a kind of assembly solid of numerical control machining tooling Figure 1 ;

[0021] Figure 4 The utility model provides a kind of assembly solid of numerical control machining tooling Figure 2 .

[0022] In the drawing: 1, rack;2, first support rod;3, limit frame;4, second support rod;5, second stand;6, abutment rod;7, first stand;8, locking bolt;9, adjusting rod;10, lock block;11, adjusting knob;12, third stand;13, positioning rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described 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, not all the embodiments.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Embodiment:

[0026] With reference to Figures 1-4 A numerical control machining tooling, comprising a rack formed by a hollow structure rectangular frame, a first stand 7 is fixedly installed on one side of the rack 1, a tensioning member is slidingly connected to the first stand 7, for applying a pulling force close to the first stand 7 to the workpiece, so that the horizontal displacement of the workpiece is limited;The second stand 5 and the limit frame 3 are on the same side of the first stand 7, and the second stand 5 and the limit frame 3 are respectively located on both sides of the first stand 7, that is, they can correspond to both ends of the workpiece, the abutment rod 6 abutting against the workpiece is fixedly connected to the second stand 5, the abutment rod 6 and the limit frame 3 apply a force opposite to the pulling force to the workpiece, thereby forming a displacement restriction of the workpiece in the horizontal direction, realizing the stable fixation of the workpiece and the tooling, and ensuring the stability of subsequent numerical control machining;And there is a supporting member provided on the rack 1, which applies a force opposite to gravity to the workpiece, on the one hand, ensures the height position of the workpiece on the rack 1, and on the other hand, ensures that the workpiece is at the height to be clamped before clamping, so as to form a convenient positioning position for subsequent tensioning and clamping.

[0027] In the above structure design, the workpiece is directly placed on the support, the height of the workpiece is quickly and conveniently positioned, then the tensioning piece forms a specified direction pulling force in the middle of the inner cavity of the workpiece, and the support force opposite to the pulling direction is matched, so that the displacement restriction in the horizontal direction of the workpiece is formed, and the multi-point support ensures the stability of the workpiece on the tool.

[0028] Specifically, the tensioning piece includes an adjusting rod 9 slidably connected to the first stand 7, the adjusting rod 9 extends to one end of the tool, and a locking block 10 is slidably connected to the one end of the tool, the locking block 10 is in close contact with the inner cavity wall of the workpiece, the other end of the adjusting rod 9 is threadedly connected with an adjusting knob 11, and in the rotating process of the adjusting knob 11, one side of the adjusting knob 11 is in abutment with the first stand 7, and the locking block 10 is in close contact with the inner cavity of the workpiece. With the continuous rotation of the adjusting knob 11, the adjusting rod 9 gradually moves to the outside of the rack 1, and at this time, the locking block 10 can exert a pulling force on the workpiece close to the first stand 7. This mode mainly realizes the application of a directional displacement to the workpiece in the horizontal direction, and indirectly reduces the degree of freedom of the workpiece. Of course, this mode can also exert a pushing force on the other side of the workpiece to achieve the same purpose of reducing the degree of freedom.

[0029] In addition, a cross bar extending to the inside of the rack 1 is arranged on the top of the first stand 7, a locking bolt 8 is threadedly connected to the cross bar, and the locking bolt 8 is used to abut against the top of the workpiece. This mode mainly exerts pressure on the top of the workpiece to make it closely contact with the support frame at the bottom, thereby limiting the free movement of the workpiece in the height direction.

[0030] Of course, the third stand 12 fixedly connected to the rack 1 is also included, the positioning rod 13 is inserted into the third stand 12, the positioning rod 13 is matched with the process hole in the middle of the workpiece, and the positioning rod 13 which can be inserted into the process hole can further calibrate and position the workpiece.

[0031] Specifically, the support includes two first support rods 2 fixedly connected in the inner frame of the rack 1, when the workpiece is placed on the rack 1, the first support rods 2 are used to support the bottom of the workpiece, and support the middle and one end of the workpiece respectively, and the second support rod 4 fixedly connected to the limiting frame 3 is matched, the second support rod 4 abuts against the front end of the workpiece, so as to complete the complete support and limiting of the bottom of the workpiece.

[0032] In order to ensure the positioning accuracy of the tail of the workpiece, an auxiliary stand is fixedly connected to one side of the rack 1, an auxiliary rod is inserted into the auxiliary stand, the auxiliary rod is matched with the process hole at the tail end of the workpiece, so as to calibrate and limit the tail of the workpiece after positioning, and ensure the accuracy of subsequent processing.

[0033] In use, first, the workpiece is placed on the two first support rods 2 and the second support rod 4, then the lock block 10 is placed in the workpiece cavity, and the adjusting knob 11 is rotated to move the adjusting rod 9 to the outside of the rack 1, until the two ends of the workpiece abut against the abutting rod 6 and the limiting frame 3, and the locking bolt 8 is rotated, the workpiece is quickly and stably realized, then the positioning rod 13 and the auxiliary rod are inserted, the workpiece after positioning is calibrated and secondly positioned, the positioning accuracy of the workpiece is ensured, positioning is completed, numerical control machining can be carried out, after machining is completed, the locking bolt 8 and the adjusting knob 11 are loosened, the machined workpiece can be quickly taken down, and the workpiece is convenient and fast.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A numerically controlled machine tooling fixture comprising a machine frame (1), characterized in that, Also include: The first stand (7) is fixedly connected to one side of the rack (1), Wherein, the first stand (7) is slidably connected with a tensioning member for applying a pulling force to the workpiece close to the first stand (7); The second stand (5) and the limiting frame (3) are on the same side of the first stand (7), and the second stand (5) and the limiting frame (3) are respectively located on both sides of the first stand (7), Wherein, the second stand (5) is fixedly connected with a resistance rod (6) abutting against the workpiece, and the resistance rod (6) and the limiting frame (3) apply a force to the workpiece opposite to the pulling force; The support member is arranged on the rack (1) and applies a force to the workpiece opposite to the gravity.

2. A numerically controlled machining tooling fixture according to claim 1, wherein, The tensioning member includes an adjusting rod (9) slidably connected to the first stand (7), one end of the adjusting rod (9) extending to the tool is slidably connected with a locking block (10), the locking block (10) is in close contact with the inner cavity wall of the workpiece, and the other end of the adjusting rod (9) is threadedly connected with an adjusting knob (11), when the adjusting knob (11) is rotated, the locking block (10) can apply a pulling force to the workpiece close to the first stand (7).

3. A numerically controlled machine tooling fixture according to claim 1 or 2, wherein, The first stand (7) is provided with a cross bar extending to the inner side of the rack (1), and the cross bar is threadedly connected with a locking bolt (8), and the locking bolt (8) is used for abutting against the top of the workpiece.

4. The numerically controlled machining tooling fixture of claim 1, wherein, Also include a third stand (12) fixedly connected to the rack (1), a positioning rod (13) is inserted into the third stand (12), and the positioning rod (13) is matched with the process hole in the middle of the workpiece.

5. The numerically controlled machining tooling fixture of claim 1, wherein, The support member includes a first support rod (2) fixedly connected in the inner frame of the rack (1), when the workpiece is placed on the rack (1), the first support rod (2) is used for supporting the bottom of the workpiece.

6. A numerically controlled machine tooling fixture according to claim 1 or 5, wherein, The support member further includes a second support rod (4) fixedly connected to the limiting frame (3), and the second support rod (4) abuts against the front end of the workpiece.

7. A numerically controlled machining tooling fixture according to claim 1, wherein, Also include an auxiliary stand fixedly connected to one side of the rack (1), an auxiliary rod is inserted into the auxiliary stand, and the auxiliary rod is matched with the process hole at the tail end of the workpiece. Also include an auxiliary stand fixedly connected to one side of the rack (1), an auxiliary rod is inserted into the auxiliary stand, and the auxiliary rod is matched with the process hole at the tail end of the workpiece.

Images