WO2021036004A1

WO2021036004A1 - Automatic benchtop tapping machine

Info

Publication number: WO2021036004A1
Application number: PCT/CN2019/119032
Authority: WO
Inventors: 孙一心
Original assignee: 苏州龙辉金属表面科技有限公司
Priority date: 2019-08-23
Filing date: 2019-11-16
Publication date: 2021-03-04

Abstract

An automatic benchtop tapping machine, a base (1) thereof being provided with a rotating main shaft (2), a fixed block (3) being sleeved on the rotating main shaft, the fixed block being fixed on the rotating main shaft by means of fixing screws, a plurality of threaded holes matching the fixing screws being arranged equidistantly from top to bottom on the rotating main shaft, and the fixed block being connected to a crossbar disposed above the base by means of a rotating sleeve (4); the height of the fixed block can be adjusted up and down on the rotating main shaft to reduce the tapping stroke, being suitable for tapping machining of various specifications; a micro motor is disposed in the rotating sleeve, the micro motor driving the crossbar to implement multi-angle machining and cooperate with a rotating disc to implement 360° comprehensive tapping and complex machining of large workpieces; positioning holes are disposed around the crossbar, and a lead screw (6) is sleeved on the crossbar, the lead screw and the crossbar both being penetrated by a positioning pin to be fixedly connected together, and the lead screw being connected downward to a tap (7) by means of a lifting mechanism; the piston rod driven by the cylinder is more stable, and very few broken teeth occur during tapping, increasing the product yield.

Description

An automatic desktop tapping machine

Technical field

The invention relates to the technical field of metal processing, in particular to an automatic desktop tapping machine.

Background technique

The automatic desktop tapping machine uses the taps in the equipment to process the internal threads. It has a good cutting effect on materials such as steel, iron, copper, plastics, etc., and the resulting thread has a higher accuracy. At the same time, the operation of the tapping machine Simple, time-saving and labor-saving, it has been well received by processors. For internal thread processing, automatic desktop tapping machines have been widely used. Research on enhancing the practicability and efficiency of automatic desktop tapping machines is underway. Continuous improvement and improvement.

Summary of the invention

Aiming at the deficiencies of the prior art, the present invention provides an automatic desktop tapping machine. The present invention specifically adopts the following technical solutions.

In order to achieve the above purpose, an automatic desktop tapping machine is proposed, which includes a base, a rotating spindle is provided on the base, and a fixed block is sleeved on the rotating spindle. The fixed block is fixed on the rotating spindle by a fixed screw, and the rotating spindle is from top to bottom. There are a number of threaded holes matched with the fixing screws. The fixing block is connected to a cross bar located above the base through a rotating sleeve. A micro motor is arranged in the rotating sleeve. The micro motor controls the rotation and expansion of the cross bar, and the cross bar surrounds There is a positioning hole, a lead screw is sleeved on the cross bar, and the lead screw and the cross bar are penetrated by a positioning pin to be fixedly connected together. The lead screw is downwardly connected to the tap through the lifting mechanism, and the upper surface of the base protrudes upward to form a worktable. There is a rotating disk in the center of the upper surface of the working table. The surface of the rotating disk forms four evenly distributed chutes from the edge to the center. The chutes are equipped with rotating baffles. The base is equipped with a liquid storage tank, which stores cutting fluid. , The cutting fluid is transported to the tap through the screw and the liquid infusion pipeline inside the lifting mechanism. The tap is provided with water spray holes. The water spray holes are arranged symmetrically about the center of the tap. The water spray holes are high-speed water spray holes. Equipped with a sensor and a counter, the sensor is connected to the counter, and the side of the workbench is equipped with a cleaning device. The cleaning device is specifically a multi-stage variable capacity blower. A fan is connected to a multi-stage variable capacity pipe. The cross-sectional area of the multi-stage variable capacity pipe From the fan to the worktable gradually become smaller.

Preferably, a sliding block is provided in the sliding groove, and the rotating baffle is fixedly connected to the sliding block.

Preferably, a limit sliding block is further provided in the sliding groove, and the limit sliding block is fixed in the sliding groove by a screw.

Preferably, the lifting mechanism specifically includes a piston rod and a cylinder, the cylinder drives the piston rod, and the piston rod connects the screw and the tap.

Preferably, a roller is provided at the bottom of the base, and a brake device is provided at the roller.

The automatic desktop tapping machine designed in the present invention includes a base, on which is provided a rotating spindle, a fixed block is sleeved on the rotating spindle, and the fixed block is fixed on the rotating spindle by fixing screws. The threaded hole matched with the fixed screw, the fixed block is connected to a cross bar located above the base through a rotating sleeve. The fixed block can be adjusted up and down on the rotating spindle to reduce the tapping stroke, which is suitable for tapping of various specifications. There is a micro motor in the rotating sleeve. The micro motor controls the rotation and expansion of the cross bar. The micro motor drives the cross bar to perform multi-angle processing. With the rotating disk, it can complete 360° full tapping and complete the complex processing of large workpieces. The rod is surrounded by positioning holes, and the cross rod is sleeved with a lead screw. The lead screw and the cross rod are penetrated by positioning pins to be fixedly connected together. The lead screw is connected to the tap through the lifting mechanism, and the piston rod driven by the cylinder is more stable , There are few bad teeth in tapping, which improves the yield. The upper surface of the base protrudes upward to form a worktable. The upper surface of the rotating disk forms four evenly distributed chutes from the edge to the center, and the chute is equipped with rotation The baffle, through the coordination of four sets of rotating baffles, can complete the clamping of irregularly shaped workpieces of various sizes and specifications. The base is equipped with a liquid storage tank. The liquid storage tank stores cutting fluid. The cutting fluid passes through the screw, The liquid infusion pipeline inside the lifting mechanism is transported to the tap. The tap is provided with water spray holes. The water spray holes are arranged symmetrically about the center of the tap. The water spray holes are high-speed water spray holes. Generally, various iron filings will be generated during tapping. At the same time, the direct hard tapping of the tap will also affect the life of the tap. The present invention plays the role of lubrication and cooling by supplementing the cutting fluid. The cutting fluid sprayed by the high-speed water spray hole can remove most of the debris, and the water spray hole is symmetrical The setting is to prevent the instability of tapping caused by high-speed water flow affecting the balance of tapping. The tap is equipped with a sensor and a counter, and the sensor is connected to the counter. When performing multi-step processing on some complex workpieces, the sensor The connection counter counts to ensure that a certain station will not be missed. The side of the workbench is equipped with a cleaning device. The cleaning device is specifically a multi-stage variable capacity blower. A fan is connected to multi-stage variable capacity pipes and multi-stage variable capacity pipes. The cross-sectional area is gradually reduced from the fan to the worktable. On the one hand, the fan can be used to clean the iron filings directly, and on the other hand, the surface of the worktable can be blown dry. The multi-stage variable capacity pipe can greatly increase the wind speed and improve the cleaning efficiency.

Other features and advantages of the present invention will be described in the following description, and partly become obvious from the description, or understood by implementing the present invention.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and together with the embodiments of the present invention, are used to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Figure 1 is a schematic diagram of the structure of the automatic desktop tapping machine of the present invention;

Fig. 2 is a schematic diagram of the rotating disk of the present invention.

In the picture: 1. Base; 2. Rotating main shaft; 3. Fixed block; 4. Rotating sleeve; 5. Cross bar; 6. Lead screw; 7. Tap; 8. Workbench; 9. Rotating plate; 10. Slide groove 11. Rotating baffle; 12. Liquid storage tank; 13. Slide block; 14. Limit slide block; 15. Fan; 16. Multi-stage variable capacity pipeline.

detailed description

In order to make the objectives and technical solutions of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the protection scope of the present invention.

Those skilled in the art can understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meanings as those commonly understood by those of ordinary skill in the art to which the present invention belongs. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and unless defined as here, they will not be used in idealized or overly formal meanings. Explanation.

In the present invention, the meaning of "and/or" means that each exists alone or both exist simultaneously.

The meaning of "inside and outside" in the present invention refers to the inside of the box as far as the box itself is concerned, and vice versa; it does not specifically limit the device mechanism of the present invention.

The meaning of "connection" in the present invention can be a direct connection between components or an indirect connection between components through other components.

The meaning of "up and down" in the present invention means that when the user is facing the lid in the open state of the box, the direction of the opening opened by the lid is up, and the opening opened by the lid points to the bottom surface of the box. That is, it is not a specific limitation to the device mechanism of the present invention.

The following describes an automatic desktop tapping machine according to an embodiment of the present invention with reference to Figures 1 and 2, including a base 1, a rotating spindle 2 is provided on the base 1, a fixed block 3 is sleeved on the rotating spindle 2, and the fixed block 3 is fixed by The screw is fixed on the rotating main shaft 2. The rotating main shaft 2 is provided with a number of threaded holes matching with the fixing screws at equal intervals from top to bottom. The fixed block 3 is connected to a cross bar 5 arranged above the base 1 through a rotating sleeve 4, and rotates There is a micro motor in the sleeve 4, the micro motor controls the rotation and expansion of the cross bar 5, the cross bar 5 is surrounded by positioning holes, the cross bar 5 is sleeved with a screw 6, and the screw 6 and the cross bar 5 are both penetrated by the positioning pins. Thereby, the screw 6 is connected to the tap 7 through the lifting mechanism downwards. The upper surface of the base 1 protrudes upward to form a workbench 8. The center of the upper surface of the workbench 8 is provided with a rotating disk 9, and the surface of the rotating disk 9 is from the edge Four evenly distributed chutes 10 are formed toward the center. A rotating baffle 11 is provided in the chutes 10, and a liquid storage tank 12 is provided in the base 1. The liquid storage tank stores cutting fluid, and the cutting fluid passes through the screw 6 and the inside of the lifting mechanism The infusion pipeline is transported to the tap 7. The tap 7 is provided with water spray holes. The water spray holes are arranged axisymmetrically with the center of the tap 7, and the water spray holes are high-speed water spray holes. The taps are equipped with sensors and counters. The sensor is connected to the counter. The side of the workbench 8 is equipped with a cleaning device. The cleaning device is specifically a multi-stage variable capacity blower. A fan 15 is connected to a multi-stage variable capacity pipe 16, and the cross-sectional area of the multi-stage variable capacity pipe 16 is from the fan 15 The workbench 8 gradually becomes smaller.

Preferably, a sliding block 13 is provided in the sliding groove 10, and a rotating baffle 11 is fixedly connected to the sliding block 13.

Preferably, a limit sliding block 14 is further provided in the sliding groove 10, and the limit sliding block 14 is fixed in the sliding groove 10 by screws.

Preferably, the lifting mechanism specifically includes a piston rod and a cylinder, the cylinder drives the piston rod, and the piston rod connects the screw 6 and the tap 7.

Preferably, a roller is provided at the bottom of the base 1, and a brake device is provided at the roller.

The above are only the embodiments of the present invention, and the description is relatively specific and detailed, but it should not be understood as a limitation to the patent scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention.

Claims

An automatic desktop tapping machine, which is characterized in that it includes a base on which a rotating spindle is provided, and a fixed block is sleeved on the rotating spindle. The fixed block is fixed on the rotating spindle by fixing screws. The rotating spindle is arranged at equal intervals from top to bottom. There are a number of threaded holes matched with the fixing screws. The fixing block is connected to a cross bar located above the base through a rotating sleeve. A micro motor is provided in the rotating sleeve. The micro motor controls the rotation and expansion of the cross bar. The cross bar is surrounded by Positioning hole, the cross bar is covered with a lead screw, the lead screw and the cross rod are penetrated by the positioning pin to be fixedly connected together, the lead screw is connected downwards through the lifting mechanism to connect the taps, and the upper surface of the base protrudes upwards to form a workbench. There is a rotating disk in the center of the upper surface of the rotating disk. The surface of the rotating disk forms four evenly distributed chutes from the edge to the center. The chutes are equipped with rotating baffles. The base is equipped with a liquid storage tank. The liquid storage tank stores cutting fluid and cutting The liquid is transported to the tap through the screw and the infusion pipeline inside the lifting mechanism. The tap is provided with water spray holes. The water spray holes are arranged symmetrically around the center of the tap. The water spray holes are high-speed water spray holes. The sensor and the counter are connected to the counter. The side of the workbench is equipped with a cleaning device. The cleaning device is specifically a multi-stage variable capacity blower. A fan is connected to a multi-stage variable capacity pipe. The cross-sectional area of the multi-stage variable capacity pipe is from the fan The workbench becomes smaller step by step.
The automatic desktop tapping machine according to claim 1, wherein a sliding block is provided in the sliding groove, and the rotating baffle is fixedly connected to the sliding block.
The automatic desktop tapping machine according to claim 2, characterized in that: a limit sliding block is further provided in the sliding groove, and the limit sliding block is fixed in the sliding groove by a screw.
The automatic desktop tapping machine according to claim 1, wherein the lifting mechanism specifically includes a piston rod and a cylinder, the cylinder drives the piston rod, and the piston rod connects the screw and the tap.
The automatic desktop tapping machine according to claim 1, wherein a roller is provided at the bottom of the base, and a brake device is provided at the roller.