CN207447442U - A kind of multi-functional screw rod processing unit (plant) - Google Patents

Abstract

The utility model discloses a multifunctional screw rod processing device, which can precisely process the screw rod of an extruder, has high processing efficiency, and can adapt to screw rod processing with different thread sizes, different lengths and different diameters, as well as tapered screw machines and other screw machines. Processing of various special-shaped screws; the position-adjustable tailstock can adapt to the processing of screws of different lengths; the use of horizontal and vertical feed can realize the processing of screws of different lengths and diameters; The processing of shaped screw or other special-shaped screw; the bottom of the tool support seat is equipped with a rotary drive device, which can drive the tool support seat to rotate a certain angle around an axis in the horizontal plane relative to the longitudinal carriage, so as to realize threads with different inclination angles. Screw processing; the utility model adopts a circumscribed whirlwind milling cutter, and the whirlwind milling cutter adopts a hard alloy forming knife, and uses compressed air for chip removal and cooling to achieve efficient processing.

Description

A multifunctional screw processing device

technical field

The utility model belongs to the technical field of screw rod processing, in particular to a multifunctional screw rod processing device.

Background technique

The screw is a common part in the mechanical field, usually a cylinder with a spiral groove cut on the outer surface or a cone cut with a conical surface with a spiral groove. For some special screws, such as those on plastic extruders, the screw is the core component. The screw of the extruder is generally divided into several sections, and the dimensional accuracy of each section has a great influence on the quality of the product, and some screw sections have different thread sizes, and some screw lengths are very long. Come very difficult. The screw processing in the prior art often adopts turning and other processes, but the processing quality of these processing methods is low, which affects the subsequent processing, and because the screw thread of the extruder is deep and the pitch is large, the processing efficiency is low, and the existing The processing range of screw processing equipment is small, which cannot meet the processing of screws of various sizes.

Utility model content

The utility model provides a multifunctional screw processing device, which can precisely process the screw of an extruder, has high processing efficiency, and can adapt to screw processing of different thread sizes, different lengths, and different diameters, as well as conical screw machines and other various screw machines. Processing of a special-shaped screw.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A multifunctional screw processing device, characterized in that it includes a horizontally arranged workbench, a screw clamping device is provided at the left end of the front side of the workbench, a screw drive device is provided at the left end of the screw clamping device, and the front side of the workbench The right end is provided with a tailstock, and the tailstock is arranged on two mutually parallel guide rails through a slide plate, and the guide rails are arranged horizontally along the transverse direction of the workbench, and the transverse position of the tailstock is adjusted by a hand wheel; the screw blank It is arranged horizontally along the horizontal direction of the workbench, one end of the screw blank is clamped by the screw clamping device, and the other end is clamped by the pneumatic top of the tailstock; two horizontally arranged on the rear side of the workbench Horizontal guide rails parallel to each other, a horizontal screw driven by a horizontal servo motor is arranged in the middle of the two horizontal guide rails, and the horizontal carriage is horizontally arranged on the two horizontal guide rails, and is driven by the horizontal screw to slide laterally along the workbench; Two longitudinal guide rails parallel to each other are arranged horizontally on the horizontal carriage, and a longitudinal lead screw driven by a longitudinal servo motor is arranged in the middle of the two longitudinal guide rails. The longitudinal carriage is horizontally arranged on the two longitudinal guide rails, and passes through the longitudinal The lead screw is driven to slide longitudinally along the workbench; a tool support seat is provided on the longitudinal carriage, and a rotary drive device is provided at the bottom of the tool support seat, and the rotary drive device can drive the tool support seat in the horizontal plane Rotate an angle around a rotating shaft relative to the longitudinal carriage; the front side of the tool support seat supports a tool spindle through bearings, one end of the tool spindle is provided with a circumscribed whirling cutter disc, and the other end is provided with a driven belt The rear side of the tool support seat is provided with a main shaft motor whose axis is parallel to the main shaft of the tool. The output shaft of the main shaft motor is provided with a driving pulley, and a driving pulley is provided between the driving pulley and the driven pulley. Belt; Whirlwind milling cutter disc adopts carbide forming knives and uses compressed air for chip cooling.

Further, the screw clamping device is a chuck.

Further, the screw is a precision ball screw.

Further, it also includes a numerical control device for realizing automatic control.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model adopts a position-adjustable tailstock, which can adapt to the processing of screws with different lengths; adopts horizontal and vertical feeding, can realize the processing of screws with different lengths and different diameters, and cooperates with a numerical control device to realize tapered screws or other Processing of special-shaped screws; the bottom of the tool support seat is equipped with a rotary drive device, which can drive the tool support seat to rotate a certain angle around an axis in the horizontal plane relative to the longitudinal carriage, so as to realize the processing of screws with threads of different inclination angles;

The utility model adopts an external cutting whirlwind milling cutter head, and the whirlwind milling cutter head adopts a hard alloy forming knife, and uses compressed air for chip removal and cooling to realize high-efficiency processing; the whirlwind milling can realize dry cutting, heavy-duty cutting, and difficult-to-machine materials. And ultra-high-speed cutting, low power consumption, surface roughness can reach Ra0.8μm, slow workpiece spindle speed, high motion accuracy, and good dynamic stability.

Description of drawings

Fig. 1 is the structural representation of the utility model;

The list of parts represented by each label in the accompanying drawings is as follows:

1 screw driving device, 2 screw clamping device, 3 worktable, 4 screw blank, 5 tailstock, 6 hand wheel, 7 guide rail, 8 slide plate, 9 horizontal servo motor, 10 tool support seat, 11 longitudinal carriage, 12 longitudinal Lead screw, 13 longitudinal servo motor, 14 transverse carriage, 15 longitudinal guide rail, 16 transverse guide rail, 17 transverse lead screw, 18 spindle motor, 19 rotating shaft, 20 whirlwind milling cutter disc, 21 driven pulley, 22 drive belt, 23 Active pulley.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1, a multifunctional screw processing device of the present invention includes a horizontally arranged workbench 3, a screw clamping device 2 is provided at the left end of the front side of the workbench 3, and a screw clamping device 2 is provided at the left end of the screw clamping device 2. Drive device 1, the front right end of the workbench 3 is provided with a tailstock 5, the tailstock 5 is arranged on two mutually parallel guide rails 7 through a slide plate 8, and the guide rails 7 are arranged horizontally along the transverse direction of the workbench 3 , and adjust the left and right positions of the tailstock 5 through the hand wheel 6; by setting the adjustable tailstock, it can adapt to the processing of screws of different lengths; the screw blank 4 is arranged horizontally along the horizontal direction of the workbench 3, and the screw One end of the blank 4 is clamped by the screw clamping device 2, and the other end is clamped by the pneumatic top of the tailstock 5; the rear side of the workbench 3 is horizontally provided with two transverse guide rails 16 parallel to each other. A horizontal screw 17 driven by a horizontal servo motor 9 is arranged in the middle of the horizontal guide rails 16, and the horizontal carriage 14 is horizontally arranged on the two horizontal guide rails 16, and driven by the horizontal screw 17 to slide laterally along the workbench 3; Two longitudinal guide rails 15 parallel to each other are arranged horizontally on the described transverse carriage 14, and a longitudinal lead screw 12 driven by a longitudinal servo motor 13 is arranged in the middle of the two longitudinal guide rails 15, and the longitudinal carriage 11 is horizontally arranged on the two longitudinal guide rails 15. , and slide longitudinally along the worktable 3 through the longitudinal screw 12; using transverse and longitudinal feeding, the processing of screws with different lengths and different diameters can be realized; the longitudinal carriage 11 is provided with a tool support Seat 10, the bottom of the tool support 10 is provided with a rotary drive device, the rotary drive device can drive the tool support seat 10 to rotate a certain angle around a rotating shaft 19 in the horizontal plane relative to the longitudinal carriage, so as to achieve Processing of screws with different inclination angles; the front side of the tool support seat 10 is supported by a tool spindle through bearings, one end of the tool spindle is provided with a circumscribed whirling milling cutter disc 20, and the other end is provided with a driven pulley 21, The rear side of the tool support seat 10 is provided with a main shaft motor 18 whose axis is parallel to the main shaft of the tool. There is a transmission belt 22 between them; the whirling milling cutter disc adopts carbide forming knives, and uses compressed air for chip removal and cooling to achieve high-efficiency machining; the surface roughness after whirling milling can reach Ra0.8μm, and the spindle speed of the workpiece is slow , high motion precision and good dynamic stability.

Further, the screw clamping device is a chuck, the screw is a precision ball screw, and also includes a numerical control device for realizing automatic control, through which the processing of tapered screws or other special-shaped screws can be realized, and the scope of application wide.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those skilled in the art, without departing from the overall concept of the utility model, some changes and improvements can also be made, and these should also be regarded as Protection scope of the present utility model.

Claims (4)

1. a kind of multi-functional screw rod processing unit (plant), it is characterised in that：Including horizontally disposed workbench, left end is set on front side of workbench Screw rod clamping device is equipped with, the screw rod clamping device left end is provided with spiro driving device, and right end is set on front side of the workbench Tailstock is equipped with, the tailstock is arranged on by slide plate on two guide rails being mutually parallel, horizontal stroke of the guide rail along the workbench To horizontally disposed, and pass through the right position that handwheel adjusts the tailstock；Screw rod blank is set along the workbench transverse horizontal, One end of the screw rod blank is held out against by the screw rod gripping means grips, the other end by the pneumatic finial of the tailstock； The rear side of the workbench is horizontally disposed with two cross slide ways being mutually parallel, and is set among two cross slide ways by laterally watching Motor-driven horizontal leading screw is taken, horizontal balladeur train is horizontally set on two cross slide ways, and is driven by the horizontal leading screw It is slid laterally along the workbench；Being horizontally disposed on the transverse direction balladeur train has two longitudinal rails being mutually parallel, two longitudinal directions It being set among guide rail by the motor-driven longitudinal leadscrew of servo longitudinal, longitudinal sliding frame is horizontally set on two longitudinal rails, and Pass through workbench longitudinal sliding motion described in the longitudinal leadscrew drives edge；Cutter support base is provided on the longitudinal sliding frame, it is described Cutter support base bottom is equipped with rotating driving device, and the rotating driving device can drive the cutter support base in the horizontal plane It turns an angle around a shaft compared with the longitudinal sliding frame；There is cutter by bearings on front side of the cutter support base Main shaft, described cutter spindle one end are equipped with outer cut type Whirlwind milling cutter disk, and the other end is provided with driven pulley, the cutter support base Rear side is equipped with the axis spindle motor parallel with cutter spindle, and the spindle motor output shaft is equipped with driving pulley, the master Driving belt is provided between movable belt pulley and the driven pulley；Whirling mill cutterhead uses hard alloy forming cutter, and using pressure Contracting air carries out chip removal cooling.

2. a kind of multi-functional screw rod processing unit (plant) according to claim 1, it is characterised in that：The screw rod clamping device is Chuck.

3. a kind of multi-functional screw rod processing unit (plant) according to claim 1, it is characterised in that：The leading screw is precise ball Leading screw.

4. a kind of multi-functional screw rod processing unit (plant) according to claim 1, further includes numerical control device, is used to implement automation Control.