Laser drilling rotary clamp for high-precision wire-drawing die

Abstract

The utility model discloses a high-precision wire-drawing die laser drilling rotary clamp which comprises a base, a flange plate, a motor, a machine body, a rotary shaft core, an objective table and a positioning adjusting structure, the flange plate and the machine body are respectively arranged on the base, the motor is arranged on the flange plate, and the rotary shaft core is arranged on the objective table. The rotating shaft core is rotatably arranged in the machine body, the motor is connected with the rotating shaft core through a transmission structure, the objective table is located above the machine body, the objective table and the rotating shaft core are fixed, the number of the positioning adjusting structures is multiple, and the positioning adjusting structures are arranged on the machine body. The multiple positioning adjusting structures are circumferentially distributed on the edge of the objective table at equal intervals. According to the utility model, the coaxiality error of holes can be greatly reduced, and the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a high-precision laser-punching rotating clamp for a wire drawing die. Background Art

[0002] The micro-holes to be processed in the diamond wire drawing die are mainly divided into six sections from top to bottom: entry area, lubrication area, compression area, sizing area, inverted cone, and outlet. Figure 1 As shown. At present, the clamping mold of laser drilling equipment generally uses a self-centering three-jaw chuck, and six-section processing is achieved through two clampings. One front clamping processes the four sections of the hole entry area, lubrication area, compression area, and sizing area, and one back clamping processes the two sections of the inverted cone and the outlet. The two clampings have the disadvantage of poor coaxiality of the hole type at the front and back clamping processing. Utility Model Content

[0003] The utility model aims to overcome the disadvantages of the prior art and provide a high-precision wire drawing die laser drilling rotating fixture which can greatly reduce the coaxiality error of the hole and improve the applicability.

[0004] The utility model is realized through the following technical scheme: a high-precision wire drawing die laser punching rotating fixture, comprising a base, a flange plate, a motor, a body, a rotating shaft core, a stage, and a positioning adjustment structure, wherein the flange plate and the body are respectively arranged on the base, the motor is arranged on the flange plate, the rotating shaft core is rotatably arranged in the body, the motor is connected to the rotating shaft core through a transmission structure, the stage is located above the body, the stage and the rotating shaft core are fixed, and a plurality of the positioning adjustment structures are arranged, and the plurality of the positioning adjustment structures are circumferentially and evenly spaced on the edge of the stage.

[0005] Furthermore: the positioning adjustment structure is provided with four groups in total.

[0006] Furthermore: the positioning and adjustment structure includes a positioning block and an adjusting bolt, the positioning block is arranged on the stage, the adjusting bolt is arranged through the positioning block and its position is adjustable, and the adjusting bolt faces the center of the stage.

[0007] Furthermore: the positioning block is in a waist-shaped structure, the edge of the loading platform is provided with a mounting groove, the mounting groove and the positioning block are adapted, and the positioning block is arranged in the mounting groove.

[0008] Furthermore: the machine body is a cylindrical structure, a top outer ring pressure cover is arranged on the top of the machine body, a bottom outer ring pressure cover is arranged on the bottom of the machine body, the bottom outer ring pressure cover is connected to the base through a support, the bottom end of the rotating shaft core passes through the bottom outer ring pressure cover and extends out of the machine body, and the top end of the rotating shaft core passes through the top outer ring pressure cover and extends out of the machine body.

[0009] Furthermore: the flange plate is connected to the base through a connecting column, the transmission structure includes a driving pulley, a driven pulley, and a synchronous belt, the driven pulley is fixedly sleeved on the bottom end of the rotating shaft core, the driving pulley is connected to the output shaft of the motor, and the driving pulley is located below the flange plate, the synchronous belt is sleeved on the driving pulley and the driven pulley, and the top end of the rotating shaft core is fixed to the worktable.

[0010] Furthermore: the upper part of the rotating shaft core is axially positioned in the machine body through a first bearing, and the upper end face of the first bearing abuts against a spacer ring, the lower end face of the first bearing is locked by a first nut, and the lower part of the rotating shaft core is axially positioned in the machine body through a second bearing, and the lower end face of the second bearing is locked by a second nut.

[0011] Furthermore: waist-shaped holes are respectively arranged on the four corners of the flange plate, the flange plate is connected to the connecting column through the waist-shaped holes, L-shaped brackets are respectively arranged on both sides of the left end of the flange plate, the bottom of the L-shaped bracket is fixed to the base, and an adjustment bolt passes through the side of the L-shaped bracket, and the height of the adjustment bolt is equal to the height of the flange plate.

[0012] Furthermore: it also includes an outer cover, which is composed of a front cover plate and a rear cover plate, and the outer cover is arranged on the outer periphery of the transmission structure.

[0013] Furthermore: the loading platform is fixed to the top of the rotating shaft core by fixing bolts, the top outer ring pressure cover is fixed to the top of the machine body by mounting bolts, and the bottom outer ring pressure cover is fixed to the bottom of the machine body by connecting bolts.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The motor is arranged on the flange plate, the rotating shaft core is rotatably arranged in the machine body, the motor is connected to the rotating shaft core through the transmission structure, the stage is located above the machine body, the stage and the rotating shaft core are fixed, multiple positioning adjustment structures are arranged, and the multiple positioning adjustment structures are circumferentially distributed on the edge of the stage, each positioning adjustment structure includes a positioning block and an adjusting bolt, the positioning block is arranged in the mounting groove on the edge of the stage, the adjusting bolt is arranged through the positioning block and the position is adjustable, when clamping and adjusting the wire drawing die, the wire drawing die is placed on the stage, four adjusting bolts are tightened so that the adjusting bolts are pressed against the outer cylindrical surface of the wire drawing die, and the magnetic base of the lever micrometer is adsorbed on On the outer cylindrical surface of the machine body, the needle presses on the outer cylindrical surface of the wire drawing die. The motor drives the rotating shaft core to rotate through the transmission structure. The rotating shaft core drives the stage to rotate 360°. The adjusting bolt is adjusted according to the indication of the lever micrometer dial. When the dial indication hardly changes, it means that the wire drawing die and the rotating shaft core are coaxial. Mark the two adjacent adjusting bolts, and laser punch four sections: the hole entry area, lubrication area, compression area, and sizing area. After completing the hole processing on the front side, keep two of the adjusting bolts in position unchanged, loosen the other two adjusting bolts, place the back of the wire drawing die on the upper part of the stage, tighten the two adjusting bolts that were loosened before, and then laser punch the inverted cone and the outlet. Using this rotary clamp to clamp the wire drawing die can make the coaxiality reach below 5μm. Compared with the coaxiality of the hole processed by two clampings of the self-centering three-jaw chuck is usually 0.02mm, this rotary clamp greatly reduces the coaxiality error of the hole, and uses the adjusting bolt to tighten the wire drawing die, so that wire drawing dies of different diameters can be clamped, improving the applicability of this rotary clamp.

[0016] 2. Waist-shaped holes are arranged on the four corners of the flange plate, and the flange plate is connected to the connecting column through the waist-shaped holes. L-shaped brackets are arranged on both sides of the left end of the flange plate, and the bottom of the L-shaped bracket is fixed to the base 1. An adjusting bolt is passed through the side of the L-shaped bracket. The adjusting bolt is tightened against the side wall of the flange plate by screwing the adjusting bolt. The force of the adjusting bolt on the flange plate is used to displace the flange plate through the waist-shaped holes. The driving pulley under the flange plate is displaced with the flange plate, thereby changing the distance between the driving pulley and the driven pulley, so as to adjust the tension of the synchronous belt on the driving pulley and the driven pulley. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the hole type of the wire drawing die;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model (outer cover omitted);

[0020] Figure 4 It is a side view of the utility model (outer cover omitted);

[0021] Figure 5 It is a top view of the utility model (outer cover omitted);

[0022] Figure 6 for Figure 5 Cross-sectional view of AA.

[0023] Explanation of the accompanying drawings: 1-base, 2-flange plate, 3-motor, 4-machine body, 5-rotating shaft core, 6-stage, 7-positioning and adjustment structure, 8-transmission structure, 9-positioning block, 10-adjusting bolt, 11-installing groove, 12-top outer ring pressure cover, 13-bottom outer ring pressure cover, 14-pillar, 15-connecting column, 16-driving pulley, 17-driven pulley, 18-synchronous belt, 19-first bearing, 20-spacer ring, 21-first nut, 22-second bearing, 23-second nut, 24-waist-shaped hole, 25-L-shaped bracket, 26-adjusting bolt, 27-front cover, 28-rear cover, 29-fixing bolt, 30-installing bolt, 31-connecting bolt, 32-wire drawing die. DETAILED DESCRIPTION

[0024] Figures 1 to 6 A schematic structural diagram of an embodiment of a high-precision wire drawing die laser drilling rotating fixture provided by the utility model includes a base 1, a flange plate 2, a motor 3, a body 4, a rotating shaft core 5, a stage 6, and a positioning adjustment structure 7. The flange plate 2 and the body 4 are respectively arranged on the base 1, the motor 3 is arranged on the flange plate 2, the rotating shaft core 5 is rotatably arranged in the body 4, the motor 3 is connected to the rotating shaft core 5 through a transmission structure 8, the stage 6 is located above the body 4, the stage 6 and the rotating shaft core 5 are fixed, and a plurality of positioning adjustment structures 7 are provided, and the plurality of positioning adjustment structures 7 are circumferentially and evenly spaced on the edge of the stage 6.

[0025] There are four groups of positioning and adjusting structures 7 in total.

[0026] The four groups of positioning adjustment structures 7 correspond to serial numbers respectively. Figure 5 The serial numbers ①②③④ in the figure respectively indicate the corresponding positioning adjustment structures 7.

[0027] The positioning and adjusting structure 7 includes a positioning block 9 and an adjusting bolt 10 . The positioning block 9 is arranged on the stage 6 . The adjusting bolt 10 is arranged through the positioning block 9 and its position is adjustable. The adjusting bolt 10 faces the center of the stage 6 .

[0028] The positioning block 9 is in a waist-shaped structure. A mounting groove 11 is provided at the edge of the loading platform 6 . The mounting groove 11 is matched with the positioning block 9 , and the positioning block 9 is disposed in the mounting groove 11 .

[0029] The body 4 is a cylindrical structure, with a top outer ring pressure cover 12 on the top of the body 4 and a bottom outer ring pressure cover 13 on the bottom of the body 4. The bottom outer ring pressure cover 13 is connected to the base 1 through a support 14. The bottom end of the rotating shaft core 5 passes through the bottom outer ring pressure cover 13 and extends out of the body 4. The top end of the rotating shaft core 5 passes through the top outer ring pressure cover 12 and extends out of the body 4.

[0030] The flange plate 2 is connected to the base 1 through a connecting column 15. The transmission structure 8 includes a driving pulley 16, a driven pulley 17, and a synchronous belt 18. The driven pulley 17 is fixedly mounted on the bottom end of the rotating shaft core 5. The driving pulley 16 is connected to the output shaft of the motor 3, and the driving pulley 16 is located below the flange plate 2. The synchronous belt 18 is mounted on the driving pulley 16 and the driven pulley 17, and the top of the rotating shaft core 5 is fixed to the loading platform 6.

[0031] The upper part of the rotating shaft core 5 is axially positioned in the machine body 4 through the first bearing 19, and the upper end face of the first bearing 19 abuts against the spacer ring 20, the lower end face of the first bearing 19 is locked by the first nut 21, and the lower part of the rotating shaft core 5 is axially positioned in the machine body 4 through the second bearing 22, and the lower end face of the second bearing 22 is locked by the second nut 23.

[0032] Waist-shaped holes 24 are respectively provided on the four corners of the flange plate 2, and the flange plate 2 is connected to the connecting column 15 through the waist-shaped holes 24. L-shaped brackets 25 are respectively provided on both sides of the left end of the flange plate 2. The bottom of the L-shaped bracket 25 is fixed to the base 1, and an adjusting bolt 26 passes through the side of the L-shaped bracket 25. The height of the adjusting bolt 26 is equal to the height of the flange plate 2.

[0033] When adjusting the tension of the synchronous belt 18, the adjusting bolt 26 is screwed to make the adjusting bolt 26 press against the side wall of the flange plate 2. The force exerted on the flange plate 2 by the adjusting bolt 26 is used to displace the flange plate 2 through the waist-shaped hole 24. The driving pulley 16 located below the flange plate 2 is displaced along with the flange plate 2, thereby changing the distance between the driving pulley 16 and the driven pulley 17 to adjust the tension of the synchronous belt 18 mounted on the driving pulley 16 and the driven pulley 17.

[0034] It also includes an outer cover, which is composed of a front cover plate 27 and a rear cover plate 28 , and is arranged on the outer periphery of the transmission structure 8 .

[0035] By covering the transmission structure 8 with the outer cover, the safety of use can be improved.

[0036] The stage 6 is fixed to the top of the rotating shaft core 5 by fixing bolts 29 , the top outer ring pressure cover 12 is fixed to the top of the machine body 4 by mounting bolts 30 , and the bottom outer ring pressure cover 13 is fixed to the bottom of the machine body 4 by connecting bolts 31 .

[0037] The specific clamping and adjustment process of the wire drawing die 32 is as follows:

[0038] 1. Place the front of the wire drawing die 32 on the upper part of the stage 6 so that the wire drawing die 32 and the stage 6 are roughly coaxial;

[0039] 2. Tighten the adjusting bolts 10 of the four sets of positioning adjustment structures 7 by hand, so that the adjusting bolts 10 press against the outer cylindrical surface of the wire drawing die 32;

[0040] 3. The magnetic base of the lever micrometer (not shown) is adsorbed on the outer cylindrical surface of the body 4, and the needle is pressed on the outer cylindrical surface of the wire drawing die 32;

[0041] 4. Rotate the stage 6 by 360°, and adjust the adjusting bolt 10 according to the dial value of the lever dial indicator. When the dial value hardly changes, it indicates that the wire drawing die 32 and the rotating shaft core 5 are coaxial.

[0042] 5. Adjust two adjacent adjusting bolts 10 (for example Figure 5 Mark the serial numbers as shown as ①②)

[0043] 6. After completing the hole processing on the front side of the laser punching hole entry area, lubrication area, compression area, and sizing area, the adjusting bolts 10 of the positioning adjustment structure 7 corresponding to the serial numbers ① and ② remain unchanged, and the adjusting bolts 10 of the positioning adjustment structure 7 corresponding to the serial numbers ③ and ④ are loosened. The reverse side of the wire drawing die 32 is placed on the upper part of the stage 6, and the adjusting bolts 10 of the positioning adjustment structure 7 corresponding to the serial numbers ③ and ④ are tightened;

[0044] 7. Start laser drilling the inverted cone and the outlet.

[0045] When the loading platform 6 is rotated 360°, the driving pulley 16 is driven to rotate by the motor 3, the driving pulley 16 drives the driven pulley 17 to rotate through the synchronous belt 18, the driven pulley 17 drives the rotating shaft core 5 to rotate, and the rotating shaft core 5 drives the loading platform 6 to rotate.

[0046] When the adjusting bolt 10 is loosened, the adjusting bolt 10 moves away from the wire drawing die 32 , and when the adjusting bolt 10 is tightened, the adjusting bolt 10 moves toward the wire drawing die 32 .

[0047] The above detailed description is a specific description of a feasible embodiment of the utility model. The embodiment is not intended to limit the patent scope of the utility model. Any equivalent implementation or modification that does not deviate from the utility model should be included in the patent scope of this case.

Claims

1. A high-precision wire drawing die laser drilling rotating fixture, characterized by: It includes a base, a flange plate, a motor, a body, a rotating shaft core, a stage, and a positioning adjustment structure. The flange plate and the body are respectively arranged on the base, the motor is arranged on the flange plate, the rotating shaft core is rotatably arranged in the body, the motor is connected to the rotating shaft core through a transmission structure, the stage is located above the body, the stage and the rotating shaft core are fixed, and a plurality of positioning adjustment structures are provided, and the plurality of positioning adjustment structures are circumferentially and evenly distributed on the edge of the stage.

2. According to claim 1, a high-precision wire drawing die laser drilling rotating fixture is characterized by: The positioning adjustment structures are provided with four groups in total.

3. According to claim 2, a high-precision wire drawing die laser drilling rotating fixture is characterized in that: The positioning and adjusting structure comprises a positioning block and an adjusting bolt. The positioning block is arranged on the stage. The adjusting bolt is arranged through the positioning block and its position is adjustable. The adjusting bolt faces the center of the stage.

4. According to claim 3, a high-precision wire drawing die laser drilling rotating fixture is characterized in that: The positioning block is in a waist-shaped structure, and a mounting groove is arranged at the edge of the loading platform. The mounting groove is adapted to the positioning block, and the positioning block is arranged in the mounting groove.

5. According to claim 4, a high-precision wire drawing die laser drilling rotating fixture is characterized in that: The machine body is a cylindrical structure, with a top outer ring pressure cover provided on the top of the machine body and a bottom outer ring pressure cover provided on the bottom of the machine body. The bottom outer ring pressure cover is connected to the base through a support, the bottom end of the rotating shaft core passes through the bottom outer ring pressure cover and extends out of the machine body, and the top end of the rotating shaft core passes through the top outer ring pressure cover and extends out of the machine body.

6. According to claim 5, a high-precision wire drawing die laser drilling rotating fixture is characterized in that: The flange plate is connected to the base through a connecting column, and the transmission structure includes a driving pulley, a driven pulley, and a synchronous belt. The driven pulley is fixedly sleeved on the bottom end of the rotating shaft core, the driving pulley is connected to the output shaft of the motor, and the driving pulley is located below the flange plate, the synchronous belt is sleeved on the driving pulley and the driven pulley, and the top end of the rotating shaft core is fixed to the worktable.

7. According to claim 6, a high-precision wire drawing die laser drilling rotating fixture, characterized in that: The upper part of the rotating shaft core is axially positioned in the machine body through the first bearing, and the upper end face of the first bearing abuts against the spacer ring, the lower end face of the first bearing is locked by the first nut, and the lower part of the rotating shaft core is axially positioned in the machine body through the second bearing, and the lower end face of the second bearing is locked by the second nut.

8. According to claim 6, a high-precision wire drawing die laser drilling rotating fixture, characterized in that: Waist-shaped holes are respectively arranged on the four corners of the flange plate, and the flange plate is connected to the connecting column through the waist-shaped holes. L-shaped brackets are respectively arranged on both sides of the left end of the flange plate, and the bottom of the L-shaped bracket is fixed to the base. An adjustment bolt passes through the side of the L-shaped bracket, and the height of the adjustment bolt is equal to the height of the flange plate.

9. A high-precision wire drawing die laser drilling rotating fixture according to claim 8, characterized in that: It also includes an outer cover, which is composed of a front cover plate and a rear cover plate, and the outer cover is arranged on the outer periphery of the transmission structure.

10. The high-precision laser drilling rotary fixture for wire drawing dies according to claim 8, characterized in that: The stage is fixed to the top of the rotating shaft core by fixing bolts, the top outer ring pressure cover is fixed to the top of the machine body by mounting bolts, and the bottom outer ring pressure cover is fixed to the bottom of the machine body by connecting bolts.

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