CN202356741U - A headstock square hole assembly scraping device - Google Patents

Abstract

The utility model discloses a main spindle box square hole assembling and scraping device, which is arranged on a basic bed body, wherein a precise linear guide rail is arranged on the basic bed body, the assembling and scraping device is provided with a main spindle box V-shaped support and a movable seat, and the main spindle box V-shaped support is fixedly arranged on the basic bed body; the moving seat is arranged on the precise linear guide rail and forms sliding fit, and a ram component V-shaped support is arranged on the moving seat; a ram support adjusting mechanism is arranged between the movable seat and the ram component V-shaped support; a ram traction device is arranged on the foundation bed body and is connected with a ram component through a cable. By adopting the technical scheme, the production efficiency is improved, the hidden danger that the ram part collides with the main shaft box to damage or damage the workpiece is eliminated, the manufacturing precision of the product is improved, the product quality is greatly improved, and the manpower and material resources are saved.

Description

A headstock square hole assembly scraping device

technical field

The utility model belongs to the technical field of machine tool manufacturing technology and equipment, and relates to the processing technology of the spindle box of a large machine tool, especially a heavy-duty floor milling and boring machine. More specifically, the utility model relates to a square hole assembly of the spindle box. Scraping device. In addition, the utility model also discloses an assembly scraping method and a product assembly method of the device.

Background technique

Improving the accuracy and stability of machine tools has always been the development direction of machine tool manufacturing technology, and using and designing various novel and practical process equipment and process methods to achieve the high precision required by machine tool manufacturing and improve production efficiency is the key to machine tool manufacturing enterprises the goal that is pursued.

CNC heavy-duty floor milling and boring machine is a technology-intensive product integrating machine, electricity and hydraulics. Its main advantages are: the ram can move back and forth on the square hole of the spindle box; the boring shaft can move back and forth on the supported ram , the two are superimposed, so that it has the ability to process deep holes and process large overhangs. The precise scraping and grinding of the guide rail surface of the square hole of the headstock, which supports the movement of the ram component, is one of the key and difficult points in the processing of this type of machine tool.

Usually, the method of scraping and grinding the square hole of the spindle box is: place the spindle box on the box support frame obliquely, place the ram on the two ram support frames respectively, and then adjust the center of the spindle box and the center of the ram After reaching the basic equal height, use the hoist to pull the ram into the square hole of the headstock and carry out assembly scraping with the surface of the square hole guide rail.

In the prior art assembly scraping method described above, since the rigidity of the box support frame and the ram support frame is poor and not fixed, repeated adjustments are required to complete the scraping of the guide rail surface of the square hole of the spindle box, and there is a slight If you are not careful, the ram parts may hit the spindle box and the workpiece will be damaged, which is not safe, and the production efficiency is also very low, and it is difficult to ensure the required scraping precision.

Utility model content

The utility model provides a scraping and grinding device assembled with a square hole of a spindle box, the purpose of which is to improve production efficiency and ensure scraping and grinding precision.

In order to achieve the above object, the technical scheme that the utility model takes is:

The square hole assembly scraping device of the spindle box provided by the utility model is installed on the basic bed, and is used for assembly scraping and product assembly processing of the spindle box and ram parts of the CNC floor milling and boring machine; the basic bed is equipped with a precision straight line guide rail, the assembly scraping device is provided with a spindle box V-shaped support and a moving seat, and the spindle box V-shaped support is fixedly installed on the basic bed; the moving seat is installed on the On the precision linear guide rail and form a sliding fit, set the V-shaped support of the ram part on the moving seat; set the ram support adjustment mechanism between the moving seat and the V-shaped support of the ram part ; A ram traction device is provided on the basic bed, and is connected with the ram part through a cable.

The structure of the ram support adjustment mechanism is as follows: on the V-shaped support of the ram part, a vertical guide column sliding sleeve is set on the movable seat, A bracket is provided below the support, and a guide column fixedly connected to it is provided on the bracket, and the guide column and the sliding sleeve of the guide column are in sliding fit; the moving seat and the bracket are connected through a screw rod Nut adjustment mechanism connection.

The structure of the ram traction device is as follows: at both ends of the basic bed, a pulley bracket is respectively arranged, a pulley is set on the pulley bracket, and the cable is wound on the fixed pulley .

The traction driving machine of the ram traction device is a trolley, and the cable goes around the fixed pulley and is connected with the hook of the trolley.

In the assembled state of the product: use four supporting pads to replace the V-shaped support of the spindle box; use eight adjusting pads to replace the V-shaped support of the ram part.

The utility model also provides the scraping and grinding method for assembling the scraping and grinding device in the square hole of the spindle box described above, and the purpose of the invention is the same as the above technical solution.

The process of described assembly scraping grinding method is:

1. Place the spindle box on the V-shaped support of the spindle box;

2. Place the ram parts on the V-shaped support bodies of the two ram parts respectively, so that the square hole of the headstock and the ram parts are inclined at the same angle;

3. Push the moving seat so that the ram parts move smoothly on the precision linear guide rail to near the front end of the headstock;

4. Turn the handle on the ram support adjustment mechanism, and adjust the mechanism through the screw nut to make the center of the ram part and the center of the square hole of the headstock equal in height;

5. Connect the cable used for traction with both ends of the ram parts, bypass the fixed pulley on the traction pulley bracket, and connect with the crane hook;

6. Push the ram part into the square hole of the headstock;

7. Through the movement of the hook on the crane, the ram parts are pulled forward and backward for assembly and research.

The utility model also provides a product assembly method for assembling the scraping and grinding device in the square hole of the spindle box described above, and the purpose of the invention is the same as the above technical solution.

The process of the described product assembly method is:

1. Remove the V-shaped support of the spindle box and replace it with four supporting pads;

2. Remove the V-shaped seat of the ram part on the bracket, and replace it with eight adjustment pads;

3. Put the headstock and ram components in a straight position;

4. Carry out the assembly work of headstock and ram components.

The utility model adopts the above technical scheme, which ensures the moving precision of the ram parts, improves the production efficiency, eliminates the hidden danger of the ram parts colliding with the spindle box and causes the workpiece to be bruised or damaged, and improves the manufacturing precision of the product. It ensures the cutting precision of the machine tool products after the final assembly, greatly improves the product quality, saves manpower and material resources, and has innovative characteristics in technology, performance and structure.

Description of drawings

The following is a brief description of the content expressed in the drawings of this manual and the marks in the drawings:

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

Fig. 2 is a view from direction A in Fig. 1, which is a schematic diagram of the installation state of the headstock during assembly and research;

Fig. 3 is a view from direction B in Fig. 1, which is a schematic diagram of the installation state of the ram parts when they are assembled and scraped;

Fig. 4 is a schematic diagram of the state of the headstock during product assembly;

Fig. 5 is a schematic diagram of the state of the ram component when the product is assembled.

Labeled in the figure:

1. V-shaped support of the spindle box, 2. Precision linear guide rail, 3. Basic bed, 4. Moving seat, 5. Guide column, 6. Screw nut adjustment mechanism, 7. Handle, 8. Bracket, 9 , V-shaped support of the ram part, 10, the support block, 11, the adjustment block, 12, the pulley bracket, 13, the spindle box, 14, the ram part.

Detailed ways

Next, with reference to the accompanying drawings, through the description of the embodiments, the specific implementation of the utility model will be further described in detail, so as to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solutions of the utility model .

The structure of the utility model as shown in Fig. 1 to Fig. 5 is a square hole assembly scraping device for the spindle box, which is installed on the basic bed 3, and is used for the assembly scraping of the spindle box 13 and the ram part 14 of the CNC floor milling and boring machine. Research and product assembly processing; the basic bed 3 is provided with a precision linear guide rail 2.

In order to solve the problems existing in the current known technology described in the background technology part of this specification and overcome its defects, and realize the invention purpose of improving production efficiency and ensuring the scraping precision, the technical scheme adopted by the utility model is as follows:

As shown in Figures 1 to 3, the spindle box square hole assembly scraping device of the present utility model is provided with a spindle box V-shaped support 1 and a moving seat 4, and the spindle box V-shaped support 1 is fixedly installed on the The base bed 3 described above; the moving seat 4 is installed on the precision linear guide rail 2 and forms a rolling fit, and a V-shaped support 9 of a ram part is set on the moving seat 4; Between the moving seat 4 and the V-shaped support 9 of the ram part, a ram support adjustment mechanism is provided; a ram traction device is provided on the basic bed 3, and is connected to the ram part 14 by a cable .

The above-mentioned headstock square hole assembly scraping device is used in the production and manufacture of CNC heavy-duty floor milling and boring machines, specifically refers to the headstock 13 and the ram part 14, especially the mutual grinding and cooperative processing of the two parts.

The V-shaped support 1 of the spindle box and two long-stroke precision linear guide rails 2 are respectively fixedly installed on the basic bed 3. After the two moving seats 4 are connected with the sliders on the precision linear guide rail 2, they can 2 for easy movement.

In order to ensure that the ram part 14 can smoothly enter the square hole of the headstock 13 without damaging the ram part 14, improve production efficiency and ensure scraping accuracy, the utility model utilizes the square hole of the headstock to assemble a scraping device, which can Feed the ram part 14 lightly and smoothly into the square hole of the headstock 13 for precise matching and research on the guide rail surface of the square hole, and complete subsequent product assembly work on it through the combination of different parts of the device. The movement accuracy of the ram member 14 is ensured. Thus, the production efficiency is effectively improved, the hidden danger of the workpiece being bruised or damaged due to the impact of the ram part 14 on the spindle box 13 is eliminated, the manufacturing precision of the product is improved, the machining precision of the machine tool is ensured, and the product quality is greatly improved . It saves manpower and material resources, and has innovative features in technology, performance and structure.

The device places the spindle box 13 obliquely through the V-shaped support 1 of the spindle box body, so that the square hole of the spindle box 13 is also inclined at a certain angle; the ram part 14 is placed on the V-shaped support 9 of the ram part, so that the ram The angle of inclination of parts 14 is the same as the square hole of the headstock 13.

According to the center height difference between the square hole of the spindle box 13 and the center of the ram component 14, the center of the two can be equalized through the adjustment structure on the ram support adjustment mechanism, and the ram can be moved by the movement of the precision linear guide rail 2. The parts 14 are pushed into the square hole of the main shaft box 13 lightly and steadily, and then the front and rear traction pulley brackets 12 and the fixed pulleys are utilized to pull the ram parts 14 before and after driving to carry out assembly and research.

As shown in Figure 3, the structure of the ram support adjustment mechanism in the figure is:

On the V-shaped support 9 of the ram part, a vertical guide column sliding sleeve is set on the moving seat 4, and a bracket 8 is set under the V-shaped support 9 of the ram part, so that The bracket 8 is provided with a guide column 5 fixedly connected thereto, and the guide column 5 is slidingly fitted with the guide column sliding sleeve; connect.

Two ram parts V-shaped supports 9 and brackets 8 are respectively connected with two moving seats 4 through guide column 5 and screw nut adjustment mechanism 6, and the height of ram parts V-shaped seat 9 can be adjusted by turning handle 7.

As shown in Figure 1, the structure of the ram traction device in the figure is:

At both ends of the basic bed 3, a pulley bracket 12 is respectively arranged, and a pulley is set on the pulley bracket 12, and the cable is wound on the fixed pulley.

The traction technical scheme of the ram part 14 of the present utility model is:

The traction driving machine of the ram traction device is a trolley, and the cable goes around the fixed pulley and is connected with the hook of the trolley.

Using the driving force of the workshop as the traction power, the horizontal motion is converted into vertical motion through the pulley device, making full use of the carrying equipment in the existing workshop, improving the utilization rate of the existing equipment, and the work is stable and the operation is convenient.

As shown in Figures 4 and 5, when the headstock 13 and the ram component 14 are in the product assembly state:

Four support pads 10 are used to replace the V-shaped support 1 of the spindle housing; eight adjustment pads 11 are used to replace the V-shaped support 9 of the ram part.

When the spindle box 13 and the ram part 14 are assembled in the follow-up product: remove the V-shaped support 1 of the spindle box body, and replace with 4 support pads 10; remove the V-shaped seat 9 of the ram part on the bracket 8, By replacing the 8 adjusting pads 11, the headstock 13 and the ram part 14 can be placed upright respectively, so that the follow-up product assembly work can be carried out conveniently.

The utility model also provides the above-mentioned method for assembling and matching the scraping and grinding device for assembling the square hole of the spindle box, and the purpose of the invention is the same as the above-mentioned technical solution.

As shown in Fig. 2 and Fig. 3, the process of described assembly matching research method is:

1. Place the spindle box on the V-shaped support 1 of the spindle box;

2. Place the ram parts on the V-shaped support body 8 of the two ram parts respectively, so that the square hole of the headstock 13 and the ram part 14 are inclined at the same angle;

3. Push the moving seat 4 to make the ram part 14 move smoothly on the precision linear guide rail to the vicinity of the front end of the spindle box 13;

4. Turn the handle 7 on the ram support adjustment mechanism, and through the screw nut adjustment mechanism 6, the center of the ram part 14 is equal to the center of the square hole of the headstock 13;

5. Connect the cable for traction with the two ends of the ram part 14, and bypass the fixed pulley 12 on the traction pulley bracket 12, and connect with the suspension hook of the driving;

6. Push the ram part 14 into the square hole of the headstock 13;

6. Through the movement of the hook on the crane, the ram part 14 is pulled forward and backward for assembly and research.

When the square hole of the spindle box 13 is assembled and researched, as shown in Figure 2, the spindle box 13 is placed on the V-shaped support 1 of the spindle box body; as shown in Figure 3, the ram parts 14 are respectively placed on the two rams On the V-shaped support 9 of the component, the square hole of the headstock 13 and the ram part 14 are inclined at the same angle, so that the ram part 14 enters the square hole and can use the weight of the ram part to touch the headstock 13 at the same time The square hole A, B datum plane (see Figure 2), push the moving seat 4, so that the ram part 14 moves smoothly on the precision linear guide rail 2 to near the front end of the spindle box 13, and turn the handle 7, so that the ram part 14 center and the center of the square hole of the headstock 13 are of the same height, then push the ram part 14 into the square hole of the headstock 13, use the front and rear traction pulley bracket 12 and the fixed pulley, pull the ram part before and after driving to assemble With research.

The utility model also provides a product assembly method for assembling the scraping and grinding device in the square hole of the spindle box described above, and the purpose of the invention is the same as the above technical solution.

As shown in Figure 4 and Figure 5, the process of the described product assembly method is:

1. Remove the V-shaped support 1 of the spindle box, and replace it with four supporting pads 10;

2. Remove the V-shaped seat 9 of the ram part on the bracket 8, and replace it with eight adjustment pads 11;

3. Place the headstock 13 and the ram part 14 in an upright position respectively;

4. Carry out the assembly work of the headstock 13 and the ram part 14.

After completing the assembly and research of the square hole of the headstock 13, the headstock 13 and the ram part 14 can be placed in the right position only through the combination of different parts, and the follow-up assembly work can be completed, thereby improving the production efficiency and ensuring the processing accuracy .

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the utility model, or Directly applying the ideas and technical solutions of the utility model to other occasions without improvement is within the protection scope of the utility model.

Claims (4)

1. grinding device is scraped in a main spindle box square hole assembling, is installed on the basic lathe bed (3), is used for numerical control floor milling-boring machine main spindle box (13) and processes with the assembling scraping and the product assembling of ram parts (14); Establish accurate line slideway (2) on the described basic lathe bed (3), it is characterized in that: described assembling is scraped grinding device and is established main shaft casing V-type bearing (1) and move seat (4), and described main shaft casing V-type bearing (1) is fixedly mounted on described basic lathe bed (3); Described mobile seat (4) is installed in described accurate line slideway (2) and goes up and form the cooperation of rolling, and on described mobile seat (4), establishes ram parts V-arrangement bearing (9); Between described mobile seat (4) and ram parts V-arrangement bearing (9), establish ram bearing governor motion; On described basic lathe bed (3), establish the ram draw-gear, and be connected with described ram parts (14) through hawser.

2. scrape grinding device according to the described main spindle box square hole assembling of claim 1; The structure that it is characterized in that described ram bearing governor motion is: at described ram parts V-arrangement bearing (9); On described mobile seat (4), establish vertical lead sliding sleeve; Establish bracket (8) in the below of described ram parts V-arrangement bearing (9), establish the lead (5) that is fixedly connected with it on the described bracket (8), described lead (5) and described lead sliding sleeve are for being slidingly matched; Described mobile seat (4) is connected through feed screw nut's guiding mechanism (6) with bracket (8).

3. scrape grinding device according to the described main spindle box square hole assembling of claim 1; The structure that it is characterized in that described ram draw-gear is: at the two ends of described basic lathe bed (3); A pulley bracket (12) respectively is set; Described pulley bracket (12) is gone up and is set pulley, and described hawser is on described fixed pulley.

4. scrape grinding device according to the described main spindle box square hole assembling of claim 3, it is characterized in that: the traction drive machinery of described ram draw-gear is driving, and described hawser is walked around described fixed pulley, is connected with the suspension hook of described driving.

Images