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CN-224223295-U - Cutting supporting device and lathe

CN224223295UCN 224223295 UCN224223295 UCN 224223295UCN-224223295-U

Abstract

The utility model discloses a cutting support device and a lathe, wherein the cutting support device comprises a bottom frame, lifting components, driven frames, at least one interval adjusting component and rollers, wherein the driven frames are fixedly arranged at the lifting ends of the lifting components, each interval adjusting component is provided with two moving ends, the rollers are rotatably arranged at the moving ends of the interval adjusting components, and each interval adjusting component drives the rollers on the two moving ends to move close to or away from each other. The utility model drives the two rollers to move close to or away from each other through the interval adjusting assembly, can quickly adapt to workpieces with different diameters, avoids tedious operations of manually adjusting or replacing the supporting device, improves the processing efficiency, provides dynamic support along with the rotation of the workpiece after the rollers are contacted with the workpiece, combines the lifting assembly to adjust the height of the driven frame, effectively inhibits radial deflection deformation of the workpiece caused by dead weight and centrifugal force, and improves the processing precision.

Inventors

  • Zhou Boen
  • CHEN CONGLONG

Assignees

  • 博力根(厦门)复合材料有限公司

Dates

Publication Date
20260512
Application Date
20250430

Claims (9)

  1. 1. A cutting support device, comprising: -a chassis (100), the chassis (100) having a mounting cavity (101); -a lifting assembly (200), the lifting assembly (200) being mounted in the mounting cavity (101); The driven frame (300), the said driven frame (300) is fixed to the lifting end of the said lifting assembly (200); At least one spacing adjustment assembly (400), the spacing adjustment assemblies (400) being arranged on the driven frame (300) in parallel and spaced apart, each spacing adjustment assembly (400) having two moving ends; The rollers (500) are rotatably arranged at the moving ends of the interval adjusting assemblies (400), and each interval adjusting assembly (400) drives the rollers (500) to move close to or away from each other at the two moving ends of the interval adjusting assembly.
  2. 2. A cutting support device according to claim 1, wherein the chassis (100) comprises a frame (110), the mounting cavity (101) is defined by the frame (110), a first support plate (120) is fixedly mounted on an upper surface of one side of the frame (110), and a second support plate (130) is fixedly mounted on an upper surface of one side of the frame (110) away from the first support plate (120).
  3. 3. The cutting support device according to claim 1, wherein the driven frame (300) comprises driven plates (310), and side plates (320) are fixedly arranged at two side edges of the driven plates (310).
  4. 4. The cutting support device according to claim 3, wherein the spacing adjusting assembly (400) comprises a third guide rod (410) fixedly installed between two side plates (320), two linear bearings (420) are slidably installed on the third guide rod (410), an installation plate (430) is fixedly installed on each linear bearing (420), the roller (500) is rotatably installed on the top end of the installation plate (430), a spring (440) located between the two linear bearings (420) is sleeved on the third guide rod (410), two ends of the spring (440) are respectively abutted to the linear bearings (420), an adjusting rod (450) is connected to the side plates (320) in a threaded mode, the adjusting rod (450) is abutted to the installation plate (430), a guide groove (460) is formed in the driven plate (310), and the installation plate (430) is slidably connected with the guide groove (460).
  5. 5. A cutting support according to claim 4, wherein the adjusting lever (450) is fixedly provided with a wing nut (470).
  6. 6. The cutting support device according to claim 1, wherein the lifting assembly (200) comprises a first guide rod (210) and a screw rod (230) arranged in the mounting cavity (101) along a first direction, the first guide rod (210) is parallel to the axis of the screw rod (230), a sliding block (220) is slidingly arranged on the first guide rod (210), and the screw rod (230) is in transmission connection with the sliding block (220); The lifting assembly (200) further comprises a movable rod (240) and a fixed rod (250) which are arranged in a crossing mode, the movable rod (240) and the fixed rod (250) are connected in a rotating mode, one end of the movable rod (240) is rotatably arranged with the sliding block (220), the end portion, deviating from the direction of the sliding block (220), of the movable rod (240) is provided with a connecting block (270) fixedly connected with the driven frame (300), a connecting plate (280) is fixedly connected between one ends of the two fixed rods (250), the end portion, far away from the connecting plate (280), of the fixed rod (250) is rotatably arranged on the inner wall of the mounting cavity (101) along a second direction, a second guide rod (260) is slidably arranged on the connecting plate (280), and two ends of the second guide rod (260) are fixedly connected with the driven frame (300).
  7. 7. A cutting support device according to claim 6, wherein the end of the screw (230) is fixedly provided with a hand wheel (290).
  8. 8. A lathe is characterized by comprising: the cutting support of any one of claims 1 to 7; The bed body (600), the chassis (100) of cutting strutting arrangement are in on the bed body (600), be provided with first bracing piece (710) and second bracing piece (720) on the frame of the bed body (600), first bracing piece (710) with second bracing piece (720) are used for supporting chassis (100).
  9. 9. The lathe according to claim 8, characterized in that the bed (600) is provided with a containing groove (601), the containing groove (601) is provided with a first surface (6011) and a second surface (6012), the first surface (6011) and the upper surface of the bed (600) form an inclined surface (610), the second surface (6012) and the upper surface of the bed (600) are vertically arranged, the first support rod (710) is arranged at the position of the inclined surface (610) and supports one side end of the underframe (100), the second support rod (720) is arranged on the upper surface of the bed (600) far away from the first support rod (710), and the second support rod (720) supports the side end of the underframe (100) far away from the first support rod (710).

Description

Cutting supporting device and lathe Technical Field The utility model relates to the technical field of tubular workpiece support, in particular to a cutting support device and a lathe. Background When a lathe machines a tubular workpiece, particularly a pipe having a large length, it is generally necessary to clamp the workpiece by a spindle and a tailstock and rotate the workpiece to cut an outer circle or an end face. However, when the length-diameter ratio of the workpiece exceeds a certain range, radial deflection deformation is easy to generate due to the dead weight and centrifugal force in the rotation process, so that the relative position of the cutting tool and the workpiece is deviated, and the machining precision and the surface quality are seriously affected. Auxiliary supporting devices are commonly used in the prior art for supporting the middle part of a workpiece, such as a fixed V-shaped supporting block or a rigid roller set structure. While such devices provide radial restraint, the shape and spacing of the support surfaces are generally designed for a particular pipe diameter, and when the diameter of the workpiece changes, it is necessary to manually adjust the support mechanism or replace the entire device, and for this purpose, a cutting support device and lathe are provided to solve the above-mentioned problems. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a cutting support device and a lathe. The aim of the utility model is achieved by the following technical scheme: A cutting support device, comprising: A chassis having a mounting cavity; A lifting assembly mounted in the mounting cavity; The driven frame is fixedly arranged at the lifting end of the lifting assembly; the distance adjusting assemblies are arranged on the driven frame in parallel at intervals, and each distance adjusting assembly is provided with two moving ends; the rollers are rotatably arranged at the moving ends of the interval adjusting assemblies, and each interval adjusting assembly is arranged at the two moving ends of the interval adjusting assembly in a driving mode, and the rollers are close to or far away from each other. Preferably, the chassis comprises a frame, the installation cavity is defined by the frame, a first supporting plate is fixedly installed on the upper surface of one side of the frame, and a second supporting plate is fixedly installed on the upper surface of one side of the frame, which is far away from the first supporting plate. Preferably, the driven frame comprises driven plates, and side plates are fixedly arranged at the edges of two sides of the driven plates. Preferably, the interval adjusting assembly comprises a third guide rod fixedly installed between the two side plates, two linear bearings arranged at intervals are slidably installed on the third guide rod, each linear bearing is fixedly provided with a mounting plate, the roller is rotatably installed on the top end of the mounting plate, springs located between the two linear bearings are sleeved on the third guide rod, two ends of each spring are respectively abutted to the linear bearings, an adjusting rod is connected to the side plate through threads, the adjusting rod is abutted to the mounting plate, a guide groove is formed in the driven plate, and the mounting plate is in sliding connection with the guide groove. Preferably, the adjusting rod is fixedly provided with a butterfly nut. Preferably, the lifting assembly comprises a first guide rod and a screw rod which are arranged in the mounting cavity along a first direction, the first guide rod is parallel to the axis of the screw rod, a sliding block is slidably arranged on the first guide rod, and the screw rod is in transmission connection with the sliding block; The lifting assembly further comprises a movable rod and a fixed rod which are arranged in a crossing manner, the movable rod and the fixed rod are connected in a rotating manner, one end of the movable rod is rotatably arranged with the sliding block, the end part, deviating from the direction of the sliding block, of the movable rod is provided with a connecting block fixedly connected with the driven frame, a connecting plate is fixedly connected between one ends of the two fixed rods, the end part, deviating from the direction of the connecting plate, of the fixed rod is rotatably arranged on the inner wall of the mounting cavity along a second direction, a second guide rod is slidably arranged on the connecting plate, and two ends of the second guide rod are fixedly connected with the driven frame. Preferably, a hand wheel is fixedly arranged at the end part of the screw rod. The application also provides a lathe, comprising: a cutting support device according to any one of the preceding claims; The bed body, the chassis setting of cutting strutting arrangement is in on the bed body, be provided with first bracing piece and second bra