CN219901580U - Screw polishing device - Google Patents

Abstract

The utility model discloses a screw polishing device, which comprises a grasping mechanism, a positioning mechanism and a polishing mechanism, wherein the polishing mechanism comprises mounting frames fixedly arranged on two sides of a base, a power belt pulley, a driving belt pulley and an offset belt pulley are rotatably arranged on the two mounting frames, a polishing belt is arranged on the belt pulley, the positioning mechanism comprises a push rod horizontally and slidably arranged at the bottom of the base, one end of the push rod, which is far away from the polishing belt, is rotatably provided with the positioning wheel, a pushing spring is arranged on the push rod, the device is clamped on the screw through the grasping mechanism, the pressure belt pulley and the positioning wheel of the positioning mechanism are respectively pressed on two sides of a thread groove, and the polishing belt is pressed against the surface of the screw to be polished.

Description

Screw polishing device

Technical Field

The utility model relates to the field of screw machining, in particular to a screw polishing device.

Background

The screw rod of extruder need polish to its surface after processing is accomplished, and when polishing, the burnishing machine need polish pole and groove respectively along the screw thread respectively, consequently need be according to the removal rate of the pitch control equipment of screw rod, need adjust many times to the screw rod of displacement, it is comparatively troublesome.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a screw polishing device which solves the existing pain point in the field.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a screw rod burnishing device, includes the base, be provided with gripping mechanism, positioning mechanism and grinding machanism on the base, grinding machanism including fixed mounting in the mounting bracket of base both sides, two rotate on the mounting bracket and install power band pulley and driving pulley and skew band pulley, power band pulley driving pulley the last polishing belt that installs of skew band pulley.

The positioning mechanism comprises a push rod which is horizontally and slidably arranged at the bottom of the base, a fixed block is arranged at one end of the push rod away from the polishing belt, a pushing spring is connected between the fixed block and the base, a positioning wheel is rotatably arranged on the fixed block, and the positioning wheel is abutted to an adjacent spiral blade.

Preferably, the gripping means comprises a pair of jaws pivotally mounted in the base, the inner sides of the jaws being rotatably mounted with balls.

Preferably, the power pulley is connected with a grinding motor arranged below the mounting frame.

Preferably, the positioning mechanism further comprises a fixing rod fixedly installed on one side, close to the polishing belt, of the base, a pinch roller is rotatably installed at the tail end of the fixing rod, and the pinch roller can press the polishing belt on the screw blade.

Preferably, a connector is fixedly arranged at the top of the base.

In summary, compared with the prior art, the utility model has the following beneficial effects: the device presss from both sides dress on the screw rod through the gripping mechanism, and positioning mechanism's pinch roller and positioning wheel are pressed in the both sides of screw groove respectively to press close to the helicoid of waiting to polish with the polishing belt on the band pulley, when the device along with the rotation of screw rod after fixing in the radial of screw rod, the device can remove along the screw groove, and even pitch change, polishing belt can compress tightly all the time and polish, makes polishing equipment need not to adjust the movable speed.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present utility model are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

FIG. 1 is a schematic view of a screw polishing apparatus;

FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;

fig. 3 is a schematic diagram of the B-direction structure in fig. 2.

Reference numerals illustrate: 10. a base; 11. a connector; 12. a clamping jaw; 13. a ball; 14. a mounting frame; 15. a power belt wheel; 16. polishing a motor; 17. a transmission belt wheel; 18. attaching a bracket; 19. an offset pulley; 20. polishing the belt; 21. pushing the push rod; 22. a pinch roller; 23. a fixed block; 24. a positioning wheel; 25. a pushing spring; 26. and a fixing rod.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

The utility model provides a screw rod burnishing device, includes base 10, be provided with gripping mechanism, positioning mechanism and grinding machanism on the base 10, gripping mechanism including swing install in a pair of clamping jaw 12 in the base 10, the inboard rotation of clamping jaw 12 installs ball 13, clamping jaw 12 passes through ball 13 grasps the screw rod and freely slides thereupon, grinding machanism includes fixed mounting in the mounting bracket 14 of base 10 both sides, two on the mounting bracket 14 respectively rotate install power pulley 15 and driving pulley 17, power pulley 15 is connected with the grinding motor 16 of installing in its place below mounting bracket 14, driving pulley 17 is in mounting bracket 14 side fixed mounting has additional support 18, the end rotation of additional support 18 is installed the skew band pulley 19, power pulley 15 driving pulley 17 install on the skew band pulley 19, the polishing band 20 outside can with the contact of screw rod spiral shell leaf and polish, power pulley 15, driving pulley 17 the skew band pulley 19 has certain angle with polishing band, make the screw rod top can cover the screw rod spiral shell root to polish.

The positioning mechanism comprises a push rod 21 which is horizontally and slidably arranged at the bottom of the base 10, a fixed block 23 is fixedly arranged at one end, away from the polishing belt 20, of the push rod 21, a pushing spring 25 is connected between the fixed block 23 and the base 10, a positioning wheel 24 is rotatably arranged on the fixed block 23, the positioning wheel 24 is abutted to an adjacent spiral blade, the pushing spring 25 pushes the base 10 to the spiral blade which is in contact with the polishing belt 20, the polishing belt 20 and the spiral screw She Maca are increased, the power belt pulley 15 is inclined, the polishing belt 20 can be lifted to avoid the push rod 21 at one side, close to the positioning wheel 24, of the base 10, a fixed rod 26 is fixedly arranged at one end, close to the polishing belt 20, of the base, a pinch roller 22 is rotatably arranged at the tail end of the fixed rod 26, and the pinch roller 22 can press the polishing belt 20 on the spiral blade.

As the screw rotates, the device moves along the thread groove, and the polishing belt 20 always contacts the surface of the screw blade and polishes.

The top of the base 10 is fixedly provided with a connector 11, and the device can be connected with an equipment rack or a handheld grab handle through the connector 11.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims (5)

1. A screw rod burnishing device, its characterized in that: the polishing device comprises a base (10), wherein a gripping mechanism, a positioning mechanism and a polishing mechanism are arranged on the base (10), the polishing mechanism comprises mounting frames (14) fixedly mounted on two sides of the base (10), a power belt wheel (15), a transmission belt wheel (17) and an offset belt wheel (19) are rotatably mounted on the two mounting frames (14), and a polishing belt (20) is mounted on the power belt wheel (15), the transmission belt wheel (17) and the offset belt wheel (19);

the positioning mechanism comprises a push rod (21) which is horizontally and slidably arranged at the bottom of the base (10), a fixed block (23) is fixedly arranged at one end, away from the polishing belt (20), of the push rod (21), a pushing spring (25) is connected between the fixed block (23) and the base (10), a positioning wheel (24) is rotatably arranged on the fixed block (23), and the positioning wheel (24) is abutted to an adjacent spiral blade.

2. A screw polishing apparatus according to claim 1, wherein: the gripping mechanism comprises a pair of clamping jaws (12) which are arranged in the base (10) in a swinging mode, and balls (13) are rotatably arranged on the inner sides of the clamping jaws (12).

3. A screw polishing apparatus according to claim 1, wherein: the power belt wheel (15) is connected with a polishing motor (16) arranged below the mounting frame (14) where the power belt wheel is arranged.

4. A screw polishing apparatus according to claim 1, wherein: the positioning mechanism further comprises a fixed rod (26) fixedly arranged on one side, close to the polishing belt (20), of the base (10), a pinch roller (22) is rotatably arranged at the tail end of the fixed rod (26), and the pinch roller (22) can press the polishing belt (20) on the screw blade.

5. A screw polishing apparatus according to claim 1, wherein: the top of the base (10) is fixedly provided with a connector (11).