Positioning device for numerical control lathe

Abstract

The utility model discloses a positioning device for a numerically controlled lathe, which comprises a supporting base, and the upper end of the supporting base is fixedly connected with supporting legs; the hollowed-out net is fixedly connected to the upper ends of the supporting legs; and the circular workpiece is arranged at the upper end of the hollowed-out net. According to the positioning device for the numerical control lathe, when a round workpiece needs to be machined, the round workpiece is placed at the upper end of a hollowed-out net firstly, then a hydraulic cylinder is operated, the output end of the hydraulic cylinder drives a storage plate on the rear side to slide forwards along the inner side of a sliding rail, and when the storage plate on the rear side moves forwards, a rotating plate is driven to rotate through a connecting rod; the rotary plate rotates to drive the storage plates on the front side to synchronously slide along the inner sides of the sliding rails, and the two storage plates move oppositely, so that the multiple positioning columns at the upper ends of the storage plates are clamped to the outer sides of the circular workpieces, the circular workpieces are positioned at the upper end of the hollowed-out net, and a numerical control lathe can conveniently machine the circular workpieces.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely is a kind of positioning device for numerical control lathe. BACKGROUND

[0002] Numerical control machine tool is called CNC machine tool or NC machine tool, it is a kind of automatic machine tool equipped with program control system, it controls the movement and work of machine tool by digital information, realizes high-precision, high-efficiency processing, when using numerical control machine tool to process workpiece, it needs to be fixed, and positioning device is needed to be used to fix workpiece.

[0003] The positioning device for numerical control lathe with the application number CN202323647127.6 belongs to the technical field of numerical control machine tool positioning, including base, the top of base is provided with operation table, the top of operation table is provided with sliding slot on both sides, the front of operation table is provided with connecting seat, the front of connecting seat is provided with servo motor, the output end of servo motor is sleeved with first screw rod, the back of connecting seat is rotatably installed with second screw rod through bearing.The output end of servo motor drives the rotation of first screw rod and first synchronous pulley, the transmission of transmission belt makes second synchronous pulley and second screw rod rotate synchronously, first screw rod and second screw rod drive two positioning seats to slide synchronously in sliding slot through two screw rod grooves, so that numerical control machine tool can move workpiece to the position without processing after processing, and then the hands of user can be protected, to prevent the phenomenon of harm caused by directly taking workpiece in processing position.

[0004] The device drives screw rod to make two groups of positioning seats slide synchronously, to position the workpiece processed, but the device can only clamp square or flat surface workpiece, and the clamping effect of circular or arc-shaped workpiece is poor, and sliding occurs easily, to affect the positioning effect of workpiece.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original positioning device for numerical control lathe. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of positioning device for numerical control lathe, to solve the problem that the device can only clamp square or flat surface workpiece in the above background art, and the clamping effect of circular or arc-shaped workpiece is poor, and sliding occurs easily, to affect the positioning effect of workpiece.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A positioning device for numerical control lathe, including support base, support leg is fixedly connected to support base upper end, hollow net is fixedly connected to support leg upper end, circular workpiece is arranged on the upper end of the hollow net,

[0008] Positioning assembly is arranged on the upper end of the support base, and the positioning assembly is inserted into the inner side of the hollow net, dust removal assembly is arranged on the upper end of the support base, and the dust removal assembly is connected with the positioning assembly, wherein the positioning assembly is used for clamping and positioning the circular workpiece, and the dust removal assembly is used for blowing dust on the outer surface of the circular workpiece.

[0009] Preferably, the positioning assembly comprises a sliding rail, the sliding rail is fixedly installed on the upper end of the support base, and the sliding rail is symmetrically provided with two groups about the midpoint of the support base.

[0010] Preferably, the positioning assembly further comprises a sliding block and a storage plate, the sliding block is slidably connected to the outer side of the sliding rail, and the upper end of the sliding block is fixedly connected with the storage plate.

[0011] Preferably, the positioning assembly further comprises a positioning column, the positioning column is fixedly installed on the upper end of the storage plate, and the positioning column is symmetrically provided with two groups about the midpoint of the storage plate, and the positioning column penetrates the inner side of the hollow net.

[0012] Preferably, the positioning assembly further comprises a center plate, a rotating plate and a connecting rod, the center plate is connected with the sliding rail on both sides respectively, and the midpoint of the center plate is rotatably connected with the rotating plate, the rotating plate is rotatably connected with the connecting rod on both sides, and the two groups of connecting rods are fixedly connected with the front and rear storage plates respectively.

[0013] Preferably, the positioning assembly further comprises a hydraulic cylinder, the hydraulic cylinder is fixedly installed on the upper end of the support base, and the output end of the hydraulic cylinder is connected with the right side of the storage plate.

[0014] Preferably, the dust removal assembly comprises an extrusion plate, the extrusion plate is fixedly connected to the left side of the storage plate.

[0015] Preferably, the dust removal assembly further comprises a fixed plate, an elastic air bag, an air pipe and an air nozzle, the fixed plate is fixedly installed on the upper end of the support base, the outer side of the fixed plate is fixedly connected with the elastic air bag, the elastic air bag is correspondingly distributed in front of and behind the extrusion plate, the air nozzle is connected with the elastic air bag through the air pipe, and the air nozzle is fixedly installed on the upper end of the hollow net.

[0016] Compared with the prior art, the positioning device for numerical control lathe has the advantages that:

[0017] 1. Positioning structure, when the circular workpiece needs to be processed, first place the circular workpiece on the upper end of the hollow net, then run the hydraulic cylinder, the output end of the hydraulic cylinder drives the rear side of the storage plate to slide forward along the inner side of the sliding rail, when the rear side of the storage plate moves forward, it will drive the rotating plate to rotate through the connecting rod, so that the front side of the storage plate is driven to slide synchronously along the inner side of the sliding rail through the rotation of the rotating plate, through the opposite movement of the two groups of storage plates, so that the multiple positioning columns on the upper end of the storage plate are clamped on the outer side of the circular workpiece, so that the circular workpiece is positioned on the upper end of the hollow net, facilitating the machining of the numerical control lathe.

[0018] 2. Dust removal structure, when the rear side of the storage plate moves forward, the extrusion plate on the outer side will compress the elastic air bag, after the elastic air bag is compressed, the gas in the inner side will be transported to the inner side of the air nozzle through the air pipe, and is sprayed out through the air nozzle to act on the outer side of the circular workpiece, so as to process the dust adhered to the outer side of the circular workpiece, so as to improve the precision and effect of the processing of the circular workpiece through the processing of the dust. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is a whole three-dimensional structure schematic diagram of the utility model;

[0022] Figure 4 It is a whole three-dimensional structure schematic diagram of the utility model;

[0023] Figure 5 It is a whole three-dimensional structure schematic diagram of the utility model.

[0024] In the drawing: 1, support base; 2, support leg; 3, hollow net; 4, circular workpiece; 5, positioning assembly; 501, sliding rail; 502, sliding block; 503, storage plate; 504, positioning column; 505, center plate; 506, rotating plate; 507, connecting rod; 508, hydraulic cylinder; 6, dust removal assembly; 601, extrusion plate; 602, fixed plate; 603, elastic air bag; 604, air pipe; 605, air nozzle. DETAILED DESCRIPTION

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-5 This utility model provides a technical solution: a positioning device for a CNC lathe, comprising:

[0027] Example 1: As Figures 1-4 The present invention provides a positioning device for a CNC lathe, comprising: a support base 1, with a support leg 2 fixedly connected to the upper end of the support base 1; a perforated mesh 3 fixedly connected to the upper end of the support leg 2; a circular workpiece 4 disposed on the upper end of the perforated mesh 3; a positioning component 5 disposed on the upper end of the support base 1, with the top of the positioning component 5 inserted inside the perforated mesh 3; and a dust removal component 6 disposed on the upper end of the support base 1 and connected to the positioning component 5. The positioning component 5 is used to clamp and position the circular workpiece 4; the dust removal component 6 is used to blow away dust from the surface of the circular workpiece 4.

[0028] The positioning component 5 includes a sliding rail 501, which is fixedly installed on the upper end of the support base 1, and two sets of sliding rails 501 are symmetrically arranged about the midpoint of the support base 1. The positioning component 5 also includes a sliding block 502 and a shelf 503. The sliding block 502 is slidably connected to the outside of the sliding rail 501, and the shelf 503 is fixedly connected to the upper end of the sliding block 502. The positioning component 5 also includes positioning posts 504, which are fixedly installed on the upper end of the shelf 503, and two sets of positioning posts 504 are symmetrically arranged about the midpoint of the shelf 503. The positioning post 504 penetrates the inner side of the hollow mesh 3; the positioning assembly 5 also includes a center plate 505, a rotating plate 506 and a connecting rod 507. The two ends of the center plate 505 are respectively connected to the sliding rails 501 on both sides, and the rotating plate 506 is rotatably connected to the center plate 505. The two sides of the rotating plate 506 are rotatably connected to the connecting rods 507, and the two sets of connecting rods 507 are respectively fixedly connected to the front and rear sets of placement plates 503; the positioning assembly 5 also includes a hydraulic cylinder 508. The hydraulic cylinder 508 is fixedly installed on the upper end of the support base 1, and the output end of the hydraulic cylinder 508 is connected to the right side of the placement plate 503.

[0029] When this structure needs to process a circular workpiece 4, the circular workpiece 4 is first placed on the upper end of the perforated mesh 3. Then, the hydraulic cylinder 508 is operated. The output end of the hydraulic cylinder 508 drives the rear placement plate 503 to slide forward along the inner side of the sliding track 501. When the rear placement plate 503 moves forward, it will drive the rotating plate 506 to rotate through the connecting rod 507. Thus, the rotation of the rotating plate 506 drives the front placement plate 503 to slide synchronously along the inner side of the sliding track 501. Through the opposite movement of the two sets of placement plates 503, the multiple sets of positioning pins 504 on the upper end of the placement plate 503 are engaged on the outer side of the circular workpiece 4, so that the circular workpiece 4 is positioned on the upper end of the perforated mesh 3, which is convenient for the CNC lathe to process it.

[0030] Example 2: Figures 1-3 , Figure 5 The present invention provides a positioning device for a CNC lathe, which discloses that: the dust removal component 6 includes an extrusion plate 601, which is fixedly connected to the left side of the placement plate 503; the dust removal component 6 also includes a fixing plate 602, an elastic airbag 603, an air pipe 604 and an air nozzle 605, the fixing plate 602 is fixedly installed on the upper end of the support base 1, and the elastic airbag 603 is fixedly connected to the outer side of the fixing plate 602, and the elastic airbag 603 and the extrusion plate 601 are distributed in a front-to-back correspondence, the air nozzle 605 is connected to the elastic airbag 603 through the air pipe 604, and the air nozzle 605 is fixedly installed on the upper end of the hollow mesh 3;

[0031] When the rear placement plate 503 moves forward, the outer compression plate 601 compresses the elastic airbag 603. After the elastic airbag 603 is compressed, the gas inside is transported to the inside of the air nozzle 605 through the air pipe 604 and sprayed out through the air nozzle 605 to act on the outside of the circular workpiece 4, treating the dust adhering to the outside of the circular workpiece 4. Thus, the processing accuracy and effect of the circular workpiece 4 are improved by treating the dust.

[0032] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for a numerical control lathe, comprising a support base (1), a support leg (2) fixedly connected to the upper end of the support base (1), a hollow net (3) fixedly connected to the upper end of the support leg (2), and a circular workpiece (4) arranged on the upper end of the hollow net (3), characterized in that: a positioning assembly (5) is arranged on the upper end of the support base (1) and penetrates into the inner side of the hollow net (3); a dust removal assembly (6) is arranged on the upper end of the support base (1) and connected with the positioning assembly (5); wherein the positioning assembly (5) is used for clamping and positioning the circular workpiece (4); and the dust removal assembly (6) is used for blowing off dust on the outer surface of the circular workpiece (4). The positioning assembly (5) comprises two groups of sliding rails (501) symmetrically arranged about the midpoint of the support base (1). The positioning assembly (5) further comprises sliding blocks (502) and placement plates (503), the sliding blocks (502) are slidingly connected to the outer side of the sliding rails (501), and the upper end of each sliding block (502) is fixedly connected with a placement plate (503). The positioning assembly (5) further comprises positioning columns (504), the positioning columns (504) are fixedly installed on the upper end of the placement plates (503), and two groups of positioning columns (504) are symmetrically arranged about the midpoint of the placement plates (503) and penetrate into the inner side of the hollow net (3). The positioning assembly (5) further comprises a center plate (505), a rotating plate (506), and connecting rods (507), the center plate (505) is connected with the two sliding rails (501) on both ends, the midpoint of the center plate (505) is rotatably connected with the rotating plate (506), the rotating plate (506) is rotatably connected with the connecting rods (507) on both sides, and the two groups of connecting rods (507) are fixedly connected with the placement plates (503) in front and back, respectively.

2. A positioning device for a CNC lathe according to claim 1, characterized in that: The positioning assembly (5) further comprises a hydraulic cylinder (508) fixedly installed on the upper end of the support base (1), and the output end of the hydraulic cylinder (508) is connected with the right side of the placement plate (503).

3. A positioning device for a CNC lathe as claimed in claim 2, characterized in that: The dust removal assembly (6) comprises an extrusion plate (601) fixedly connected to the left side of the placement plate (503).

4. A positioning device for a CNC lathe according to claim 3, characterized in that: The dust removal assembly (6) further comprises a fixed plate (602), an elastic air bag (603), an air pipe (604), and an air nozzle (605), the fixed plate (602) is fixedly installed on the upper end of the support base (1), the outer side of the fixed plate (602) is fixedly connected with the elastic air bag (603), the elastic air bag (603) is distributed in front of and behind the extrusion plate (601) in correspondence, the air nozzle (605) is connected with the elastic air bag (603) through the air pipe (604), and the air nozzle (605) is fixedly installed on the upper end of the hollow net (3).

5. A positioning device for a numerically controlled lathe according to claim 4, characterized in that: ​ 6. A positioning device for a CNC lathe according to claim 5, characterized in that: ​ 7. A positioning device for a CNC lathe as claimed in claim 1, characterized in that: ​ 8. A positioning device for a CNC lathe according to claim 7, characterized in that: ​

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