Belt pulley turning tool

Abstract

The utility model belongs to the technical field of machining, particularly relates to a belt pulley turning tool, and aims to solve the problems that when existing equipment is used for turning a spinning thin belt pulley, the spinning thin belt pulley is usually clamped by a clamping jaw, so that the local part of the belt pulley is easily scratched and deformed, the ovality of an inner hole is large, and the turning efficiency is high. According to the technical scheme, the spinning thin belt pulley machining device comprises an equipment box, double-end lead screws with the two ends sleeved with rolling bearings are inserted into the two ends of the interior of the equipment box through formed groove holes, the two ends of each double-end lead screw are sleeved with threaded sliding sleeves, and connecting plates are welded to the two ends of each threaded sliding sleeve; swing rods are rotationally mounted at the bottom ends of the four connecting plates through rotating shafts correspondingly, and limiting sliding blocks are rotationally inserted into the ends, away from each other, of the tops of the four swing rods correspondingly. The four swing rods are driven by the double-end screw rod to move directionally, so that the four clamping rollers are controlled to clamp a workpiece to be cut together, and the problem that the local part of the belt pulley is scratched is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a pulley turning tool. Background Art

[0002] Pulleys are mainly used in situations where power is transmitted over long distances. There are many types of pulleys, among which spun thin pulleys are very common. They are pulleys produced using steel plate materials through spinning and welding processes.

[0003] After searching, the patent with publication number CN215237922U involves a pulley turning tool, including three main jaws, which are axially fixed to the chuck slider of the CNC lathe; three clamping blocks, which are radially fixed to the inner sides of the corresponding main jaws; a connecting disk, which is fixed to the chuck of the CNC lathe, and the middle part of the connecting disk is connected to a corresponding air inlet hole, and the air inlet hole is connected to an external air pressure control system through a corresponding air pressure pipe; an air anti-misalignment positioning block, which is fixed to the outer side of the connecting disk, and the periphery of the air anti-misalignment positioning block is provided with a plurality of air outlet holes connected to the air inlet holes, and the air outlet ends of the air outlet holes are connected to the outside.

[0004] When existing equipment is turning the spun thin pulley, the spun thin pulley is usually clamped with a clamp, which can easily cause the pulley to be partially scratched and deformed, resulting in a large ellipticity of the inner hole, affecting the processing quality and pass rate of the spun thin pulley. Therefore, we proposed a pulley turning tool to solve the above problem. Utility Model Content

[0005] The utility model aims to solve the defect of pulley deformation caused by scratches and proposes a pulley turning tool.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a pulley turning tool, including an equipment box, wherein both ends of the interior of the equipment box are connected by double-headed screws with rolling bearings at both ends through slots, and both ends of the double-headed screw are connected by threaded sleeves, and both ends of the two threaded sleeves are welded with connecting plates, and the bottom ends of the four connecting plates are rotatably installed with swing rods through rotating shafts, and the ends of the tops of the four swing rods away from each other are rotatably inserted with limiting sliders, and the tops of the four limiting sliders extend through the limiting slots opened correspondingly on the top of the equipment box, and the ends of the tops of the four swing rods away from each other and located at the tops of the corresponding limiting slots are installed with clamping rollers through rolling bearings.

[0007] Preferably, mounting plates are mounted on both ends of the equipment box by welding, and mounting screw holes are provided through both ends of the interior of the two mounting plates.

[0008] Preferably, both ends of the double-ended screw rod are provided with a right-hand thread and a left-hand thread respectively, and the outer center of the double-ended screw rod is connected to a driven pulley via a connecting key.

[0009] Preferably, the rear end of the driven pulley is sleeved with a driving pulley via a transmission belt.

[0010] Preferably, a motor is installed on one end of the driving pulley through a plugged driving shaft.

[0011] Preferably, the motor is mounted on the equipment box by bolts.

[0012] Preferably, the four clamping rollers are composed of a hub and a protective sleeve, and several of the hubs are correspondingly connected to the protective sleeve through externally provided slots.

[0013] In the present invention, the pulley turning tool described:

[0014] 1. The utility model drives the four swing rods to move in a directional manner through a double-headed screw, thereby controlling the four clamping rollers to jointly clamp the workpiece to be cut, effectively avoiding the problem of scratching the pulley locally;

[0015] 2. The utility model provides four clamping rollers to achieve multiple points of contact with the workpiece to be cut during clamping, thereby avoiding problems of misalignment and tilting of the workpiece to be cut due to unbalanced force. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a pulley turning tool proposed in the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a pulley turning tool proposed in the present invention, viewed from above;

[0018] Figure 3 This is a structural schematic diagram of part A of a pulley turning tool proposed in the utility model.

[0019] In the figure: 1. Equipment box; 2. Double-ended screw; 3. Threaded sleeve; 4. Connecting plate; 5. Swing rod; 6. Limit slider; 7. Limit slide; 8. Clamping roller; 9. Mounting plate; 10. Mounting screw hole; 11. Driven pulley; 12. Driving pulley; 13. Drive shaft; 14. Motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Reference Figure 1-3 A pulley turning tool comprises an equipment box 1. Both ends of the interior of the equipment box 1 are connected with double-headed screws 2 with rolling bearings at both ends through slots opened therein. Both ends of the double-headed screws 2 are connected with threaded sleeves 3. Both ends of the two threaded sleeves 3 are welded with connecting plates 4. The bottom ends of the four connecting plates 4 are rotatably installed with swing rods 5 through rotating shafts. The ends of the tops of the four swing rods 5 away from each other are rotatably inserted with limit sliders 6. The tops of the four limit sliders 6 extend through the corresponding limit slide grooves 7 opened on the top of the equipment box 1. The ends of the tops of the four swing rods 5 away from each other and located at the tops of the corresponding limit slide grooves 7 are all installed with clamping rollers 8 through rolling bearings.

[0022] In this embodiment, mounting plates 9 are mounted on both ends of the equipment box 1 by welding, and mounting screw holes 10 are formed through both ends of the interior of the two mounting plates 9 .

[0023] By adopting the above solution, mounting plates 9 are installed at both ends of the equipment box 1 by welding, and mounting screw holes 10 are opened at both ends of the inside of the two mounting plates 9, so as to achieve stable installation between the equipment box 1 and the two mounting plates 9, avoid the problem of connection misalignment, and effectively improve the installation stability.

[0024] In this embodiment, two ends of the double-ended screw rod 2 are respectively provided with a right-hand thread and a left-hand thread, and the outer center of the double-ended screw rod 2 is connected to a driven pulley 11 through a connecting key.

[0025] By adopting the above solution, a right-handed thread and a left-handed thread are respectively provided at both ends of the double-ended screw rod 2, and the outer center of the double-ended screw rod 2 is connected to a driven pulley 11 through a connecting key sleeve, so that one-way rotation can be achieved to control the two threaded sleeves 3 to approach or move away from each other, thereby achieving uniform pressure.

[0026] In this embodiment, the rear end of the driven pulley 11 is sleeved with the driving pulley 12 via a transmission belt.

[0027] By adopting the above solution, the driving pulley 12 is connected to the rear end of the driven pulley 11 through the transmission belt, so that long-distance low-noise power output can be achieved, and the quietness of use is effectively improved.

[0028] In this embodiment, a motor 14 is installed on one end of the driving pulley 12 through a plugged driving shaft 13 .

[0029] By adopting the above solution, the driving pulley 12 is installed on the motor 14 through the drive shaft 13, so as to realize long-distance power output and effectively improve the output capacity.

[0030] In this embodiment, the motor 14 is mounted on the equipment box 1 by bolts.

[0031] By adopting the above solution, the motor 14 is installed inside the equipment box 1 by means of bolts, which effectively ensures the stable output power of the motor 14.

[0032] In this embodiment, the four clamping rollers 8 are composed of a hub and a protective sleeve, and the hubs are connected to the protective sleeves via slots provided on the outside.

[0033] By adopting the above solution, the four clamping rollers 8 are composed of a hub and a protective sleeve, and the hubs are connected to the protective sleeve through the corresponding slots opened on the outside, so as to increase the buffering capacity of the outside of the four clamping rollers 8, avoid scratching the cutting workpiece, and effectively improve production efficiency.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and range of equivalents of the claims are included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0035] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A pulley turning tool, comprising a device box (1), characterized in that: Both ends of the interior of the equipment box (1) are plugged with double-ended screws (2) with rolling bearings sleeved at both ends through slots provided, and both ends of the double-ended screws (2) are sleeved with threaded sleeves (3), and both ends of the two threaded sleeves (3) are welded with connecting plates (4), and the bottom ends of the four connecting plates (4) are rotatably mounted with swing rods (5) through rotating shafts, and the ends of the tops of the four swing rods (5) that are away from each other are rotatably plugged with limit sliders (6), and the tops of the four limit sliders (6) extend through the corresponding limit slide grooves (7) provided at the top of the equipment box (1), and the ends of the tops of the four swing rods (5) that are away from each other and located at the tops of the corresponding limit slide grooves (7) are installed with clamping rollers (8) through rolling bearings.

2. A pulley turning tool according to claim 1, characterized in that: Both ends of the equipment box (1) are mounted with mounting plates (9) by welding, and both ends of the inside of the two mounting plates (9) are penetrated by mounting screw holes (10).

3. A pulley turning tool according to claim 1, characterized in that: The two ends of the double-ended screw rod (2) are respectively provided with a right-hand thread and a left-hand thread, and the outer center of the double-ended screw rod (2) is connected to a driven pulley (11) via a connecting key sleeve.

4. A pulley turning tool according to claim 3, characterized in that: The rear end of the driven pulley (11) is sleeved with a driving pulley (12) via a transmission belt.

5. A pulley turning tool according to claim 4, characterized in that: One end of the driving pulley (12) is mounted with a motor (14) via a plugged driving shaft (13).

6. A pulley turning tool according to claim 5, characterized in that: The motor (14) is mounted on the equipment box (1) by means of bolts.

7. A pulley turning tool according to claim 1, characterized in that: The four clamping rollers (8) are composed of a wheel hub and a protective sleeve, and a plurality of the wheel hubs are correspondingly connected to the protective sleeve via a slot provided on the outside.

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