CN104191279A - Milling and drilling clamp for series large high-speed roller printing ink slots - Google Patents

Abstract

The invention relates to a series of large-scale high-speed roller ink slot hole milling and drilling fixtures, including a rolling positioning device, an axial positioning clamping device, a bolt type circumferential positioning device, a movable tool setting device, a linkage clamping device, etc., two The rolling positioning device is set on the top of the clamp body and the middle of the workpiece to constrain the four degrees of freedom of the workpiece; the axial positioning clamping device and the pin type circumferential positioning device are set on the top of the clamp body and the supports at both ends of the workpiece, respectively for The workpiece is axially positioned and pressed to restrict the freedom of rotation of the workpiece; the tool setting device is set between the workpiece and the right support to ensure that the U-shaped groove tool setting block is at the top; the linkage clamping device is set outside the rolling positioning device, For simultaneous clamping and loosening of workpieces. The invention can be used for milling and drilling series of large-scale high-speed roller ink slot holes, has fast and accurate workpiece positioning, fast clamping, accurate tool guidance, easy operation, guaranteed processing quality, improved processing efficiency, reduced processing cost and labor intensity of workers.

Description

Series of large-scale high-speed roller ink slot milling and drilling fixture

technical field

The invention relates to a milling and drilling jig specially used for a series of large-scale high-speed roller ink slot holes.

Background technique

Large-scale high-speed rollers are important parts of high-speed printing machinery. According to the requirements of its manufacturing process, this invention designs a safe, labor-saving, and satisfying series of large-scale high-speed rollers for ink slot hole processing. The special fixture; the production of this fixture can ensure the positioning and clamping of the series of rollers quickly and accurately, ensure the machining accuracy of the roller ink groove hole, improve the processing efficiency, and reduce the processing cost. At the same time, the workpiece clamping operation is simple and the labor intensity of the workers is reduced.

Contents of the invention

The invention provides a series of large-scale high-speed roller ink groove hole milling and drilling jigs, which can ensure fast and accurate positioning and clamping of a series of rollers, can ensure the processing accuracy of the roller ink groove holes, improve processing efficiency, and reduce processing costs.

In order to achieve the above purpose, the technical solution of the present invention is: a series of large-scale high-speed roller ink slot hole milling and drilling fixtures, including a workpiece rolling positioning device, an axial positioning clamping device, a pin-type circumferential positioning device, and a movable tool setting device. device, linkage clamping device, etc. Two rolling positioning devices are set on the clamp body and the middle of the workpiece to constrain the four degrees of freedom of the workpiece; the axial positioning clamping device and the pin-type circumferential positioning device are set on the clamp body, The left and right supports at both ends of the workpiece are respectively used for axial positioning and pressing of the workpiece and restraining the freedom of rotation of the workpiece; the tool setting device is arranged between the workpiece and the right support to ensure that the U-shaped groove tool setting block Above; the linkage clamping device is set on the outside of the rolling positioning device, which is used to clamp or loosen the workpiece at the same time.

The rolling positioning device is composed of a semicircular support, three concentrically arranged needle roller bearings and a shaft, which is convenient for the rotary positioning adjustment of large high-speed rollers.

The workpiece axial positioning and clamping device includes a positioning block arranged on the left support on the left side of the roller workpiece, and a lock nut and a compression screw are arranged on the right support on the other side to realize axial positioning and compression. Prevent the axial movement of the roller during processing.

The pin-type circumferential positioning device is composed of a pin hole on the vertical plate of the right support on the right side of the roller workpiece and a matching positioning pin. The corresponding pin holes on the plate are inserted into the pin holes of the roller workpiece.

The tool setting device includes a tool setting plate installed on the side of the vertical plate of the right support, and two positioning pins. The tool setting device is movable, and the two positioning pins are inserted into the corresponding positioning pins on the vertical plate of the right support. The hole is used to realize the positioning of the tool setting plate, so that the U-shaped groove tool setting block is at the top, and the tool is guided by the tool setting block on the tool setting plate during processing.

The linkage clamping device includes a double-helix screw, a rectangular nut, and a clamp arranged in the base of the rolling positioning device. The double-helix screw connects the two clamps through two rectangular nuts. When in use, the double-helix screw pushes the two rectangular nuts to reverse or Moving towards each other, the nut drives the two clamps to clamp or loosen the workpiece at the same time. the

The series of large-scale high-speed roller ink slot hole milling and drilling jigs also include connecting positioning parts for adjusting the position of the device. According to the different lengths and dimensions of the series of rollers, adjust the left and right bearings, the installation position between the linkage clamping device and the clamping body through the positioning pins and compression screws.

The beneficial effects of the present invention are: the present invention can be used for milling and drilling series of large-scale high-speed roller ink slot holes, fast and accurate workpiece positioning, no movement and vibration, fast clamping, accurate tool guidance, easy operation, and all devices can be adjusted according to the series The size of the roller is adjusted to ensure the processing quality of the ink groove hole of the roller, improve the processing efficiency of the workpiece, reduce the processing cost, and reduce the labor intensity of the workers.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the series large-scale high-speed roller ink slot hole milling and drilling fixture of the present invention;

Fig. 2 is a structural front view of the present invention;

Fig. 3 is the top view of Fig. 2;

Fig. 4 is the right view of Fig. 2;

Fig. 5 is a sectional view along A-A among Fig. 2;

Fig. 6 is a three-dimensional schematic diagram of the structure of the rolling positioning device and the linkage clamping device;

Fig. 7 is a front view of the structure of the rolling positioning device and the linkage clamping device;

Figure 8 is a top view of Figure 7;

Fig. 9 is the right view of Fig. 7;

Fig. 10 is a sectional view along B-B in Fig. 8;

Figure 11 is a schematic diagram of the tool setting device, the axial clamping of the workpiece, and the circumferential positioning of the workpiece;

Fig. 12 is the left view of Fig. 11;

Fig. 13 is a three-dimensional schematic view of the roller workpiece;

Fig. 14 is a partial enlarged view at C in Fig. 13;

Fig. 15 is a front view of the roller workpiece structure;

Fig. 16 is the left view of Fig. 15;

Fig. 17 is a partially enlarged view at D in Fig. 15 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 to 5, a series of large-scale high-speed roller ink slot hole milling and drilling jigs were invented, including rolling positioning device Z1, axial positioning and clamping device Z2, pin-type circumferential positioning device Z3, movable tool setting device The device Z4, the linkage clamping device Z5 and the device position adjustment connection locator.

Two rolling positioning devices Z1 are arranged on the clamp body 1 and in the middle of the roller workpiece 4 to constrain the four degrees of freedom of the roller workpiece 4; the workpiece axial positioning clamping device Z2 is arranged on the clamp body 1 and the roller workpiece 4. On the left and right supports at both ends, it is used for the axial positioning and compression of the roller workpiece 4; the bolt-type circumferential positioning device Z3 is set on the right support at the right end of the roller workpiece 4, and is used to restrain the roller workpiece 4 from rotating freely. The tool setting device is between the workpiece and the right support to ensure that the U-groove tool setting block is at the top; the linkage clamping device Z5 is installed on the outside of the rolling positioning device Z1 to clamp or loosen the roller at the same time Artifact 4.

As shown in Figures 6 to 10, the linkage clamping device Z5 and the rolling positioning device Z1 include a double helix screw 21, a revolving pin 22, a spring 23, a round head rod 24, a clamp 25, a needle bearing 26, a shaft 27, a semicircle Support 28, positioning pin 29, rectangular nut 30, third and fourth positioning pins 31, 32, clamp support 33.

The rolling positioning device Z1 is composed of a semicircular support 28, three concentrically arranged needle bearings 26 and a shaft 27. The two rolling positioning devices Z1 constrain the workpiece with four degrees of freedom, and the rolling friction is small, which is convenient for the rotation positioning adjustment of the large roller 4. .

The linkage clamping device Z5 is composed of a double helix screw 21, a rectangular nut 30, a clamp 25, a revolving pin 22, a round head rod 24, and a spring 23 to realize linkage clamping and loosening; the rectangular nut 30 is pushed by rotating the double helix screw 21 , and finally promote the two clamps 25 to grasp, and realize workpiece clamping; the helical directions at the two ends of the double-helix screw rod 21 are opposite, and when the double-helix screw rod 21 reversely rotates, the spring 23 promotes the round head push rod 24 to reset the two clamps 25.

As shown in Figures 1, 11, and 12, the workpiece axial positioning clamping device Z2, the bolt type circumferential positioning device Z3 and the movable tool setting device Z4 include a positioning block 3, a lock nut 11, a compression screw 12, a tool setting Plate 8, first and second positioning pins 34,36.

The workpiece axial positioning and clamping device Z2 includes a positioning block 3 arranged on the left support 2 on one side of the roller workpiece, and a lock nut 11 and a compression screw 12 are arranged on the right support 9 on the other side to realize axial positioning and Compress to prevent axial movement of the roller workpiece during processing.

The pin-type circumferential positioning device Z3 is composed of a pin hole on the vertical plate of the right support 9 arranged on the right side of the roller and a matching first positioning pin 34. When in use, the supporting first positioning pin 34 passes through the vertical plate of the support The corresponding pin holes on the top and the knife setting plate 8 are always inserted into the pin holes of the roller workpiece to constrain one degree of freedom of rotation of the roller workpiece.

The movable tool setting device Z4 includes the tool setting plate 8 installed on the side plate of the vertical plate of the right support 9, the first and second positioning pins 34, 36, and the tool setting plate 8 in the movable tool setting device Z4 is movable. The purpose is to avoid the installation of the journals at both ends of the workpiece. Through the side of the vertical plate of the right support 9 and the first and second positioning pins 34 and 36, the positioning of the tool setting plate 8 is realized, and the guide groove of the U-shaped tool setting block 35 is at the top. , The tool guide is realized by the tool setting block 35 during processing.

As shown in FIGS. 2 , 10 , and 12 , the connecting and positioning parts for adjusting the position of the device include first to fourth positioning pins 15 , 29 , 31 , 32 , screws 5 , and washers 6 .

The purpose of setting the device position adjustment connection positioning piece is to meet the adjustment needs of series large-scale high-speed roller ink slot hole milling and drilling. Seats and linkage clamping device supports are designed for pin positioning and screw compression, and the position can be adjusted according to the different lengths and sizes of the series of rollers; the position of the positioning pins and screws; the rolling positioning device Z1 and the linkage clamping device Z5, and the knife plate device Z4 can be matched and replaced according to the different diameters of the series of rollers, and the pin can be inserted for accurate positioning.

As shown in Fig. 13 to Fig. 17, the present invention is applied to the milling of the U-shaped ink grooves on the barrels of the series of large high-speed rollers and the drilling of the hole grooves. Through the guidance of the tool on the tool block on the fixture, it can ensure High machining position accuracy, T1 in the figure is a U-shaped groove, and T2 is a hole groove.

A series of large-scale high-speed roller ink slot hole milling and drilling fixtures are used according to the size of the large-scale high-speed roller-select the corresponding positioning clamping device, etc.-determine the position of the left and right support-install the left and right support-install the linkage clamp Tightening device - install the rolling positioning device - hoist the workpiece - install the tool setting plate - workpiece circumferential and axial positioning - clamp the workpiece - process - loosen the workpiece. The specific content is to first select the corresponding rolling positioning device, knife setting device, and linkage clamping device according to the diameter of the roller to be processed, and then select the pin position of the support according to the overall length of the roller to be processed; install the left, The right support is to insert the positioning pin 15 for positioning, and the screw is fixed; the installation of the linkage clamping device is to insert the third and fourth positioning pins 31, 32 for positioning, and the screw 5 is fixed; the installation of the rolling positioning device is to insert the positioning pin 29 for positioning; The cylinder workpiece 4 is placed in the rolling positioning device; the installation of the tool setting plate 8 is to realize the positioning of the tool setting plate through the side of the right support plate of the fixture and the first and second positioning pins 34 and 36, so as to ensure the guide groove of the U-shaped groove tool setting block 35 At the top; the circumferential positioning of the workpiece is to rotate the workpiece, and insert the first positioning pin 34 through the corresponding pin hole on the right support vertical plate and the knife setting plate 8, and insert it into the pin hole of the roller workpiece; the axial positioning of the roller workpiece That is to turn the compression screw 12 on the right support 9 of the fixture to push the roller workpiece to the positioning block 3 on the left support 2 on the other side to realize axial positioning and compression, and then tighten the lock nut 11 to lock Tight; the clamping roller workpiece is exactly the rotating double helix screw rod 21, when pushing two rectangular nuts 30 to move in reverse, the nut drives two clamps 25 to clamp the roller workpiece, when pushing the two rectangular nuts 30 to move toward each other, the spring 23 pushes the circle The top rod 24 resets the two clamps 25 to loosen the workpiece; after the roller workpiece is clamped, it can be processed after the tool setting block 35 installed on the tool setting plate 8 is set.

Claims (7)

1. a serial large-scale high speed roller ink tank hole milling drill jig, comprise workpiece scroll positioning device (Z1), axial location clamping device (Z2), bolt-type positioning apparatus for circumferential direction (Z3), movable tool setting device (Z4), linkage clamp device (Z5), it is characterized in that: two scroll positioning devices of described workpiece (Z1) be arranged on clamp body (1) above, the middle part of roller workpiece (4), for retraining four frees degree of roller workpiece; Axial location clamping device (Z2) be arranged on clamp body (1) above, on the left and right bearing at roller workpiece (4) two ends, for roller workpiece (4) axial location and compression; Bolt-type positioning apparatus for circumferential direction (Z3) is arranged on the right support abutment of roller workpiece (4) right-hand member, for retraining the roller revolution free degree; Tool setting device (Z4) is arranged between workpiece and right support abutment, for guaranteeing that U-shaped groove feeler block is in the top; Linkage clamp device (Z5) is arranged on scroll positioning device (Z1) outside, for clamp or loosen roller workpiece (4) simultaneously.

2. serial large-scale high speed roller ink tank hole milling drill jig according to claim 1, it is characterized in that: described scroll positioning device (Z1) is comprised of needle bearing (26) and the axle (27) of semicircle bearing (28), three arranged concentric, be convenient to large high-speed roller revolution location and adjust.

3. serial large-scale high speed roller ink tank hole milling drill jig according to claim 1, it is characterized in that: described workpiece spindle comprises the locating piece being arranged on roller workpiece left side left support abutment (2) to positioning clamping device (Z2), locking nut (11) and clamping screw (12) are set on opposite side right support abutment (9), realize axial location and compression, prevent that roller workpiece from axial float occurring adding man-hour.

4. serial large-scale high speed roller ink tank hole milling drill jig according to claim 1, it is characterized in that: described bolt-type positioning apparatus for circumferential direction (Z3) is comprised of the pin-and-hole on the riser of roller workpiece right side right support abutment (9) and supporting fastening screw, during use, supporting fastening screw is by the pin-and-hole on bearing riser, in the pin-and-hole of respective pin hole insertion roller workpiece (4) on knife plate.

5. serial large-scale high speed roller ink tank hole milling drill jig according to claim 1, it is characterized in that: described movable tool setting device (Z4) comprise on the riser side that is arranged on right support abutment (9) to knife plate (8), two fastening screws, corresponding dowel hole on the riser of two fastening screw insertion right support abutments (9), realization is located knife plate (8), and make U-shaped groove feeler block (35) in the top, add man-hour by feeler block (35) the guiding cutter on knife plate (8).

6. serial large-scale high speed roller ink tank hole milling drill jig according to claim 1, it is characterized in that: described linkage clamp device (Z5) comprises double helix screw rod (21), rectangle nut (30), the clamp (25) being arranged in scroll positioning device (Z1) base, double helix screw rod (21) connects two clamps (25) by two rectangle nuts (30), during use, double helix screw rod (21) promotes two rectangle nuts (30) oppositely or move toward one another, and two rectangle nuts (30) drive two clamps (25) to clamp simultaneously or loosen roller workpiece (4).

7. serial large-scale high speed roller ink tank hole milling drill jig according to claim 1, it is characterized in that: described serial large-scale high speed roller ink tank hole milling drill jig also comprises the connection keeper of adjusting device position, described connection keeper comprises for left and right bearing, the alignment pin being located by connecting between linkage clamp device and clamp body, housing screw, according to series of drums different length size, by shop bolt, housing screw, adjust the installation site between left and right bearing (2,9), linkage clamp device (Z5) and clamp body (1).