Numerical control stamping die capable of removing burrs and numerical control forming machine tool

Abstract

The invention relates to the technical field of numerical control stamping dies, and discloses a numerical control stamping die capable of deburring and a numerical control forming machine tool, the numerical control stamping die comprises a mounting unit, a transmission unit and a positioning unit, the mounting unit comprises a mounting base, supporting rods are fixedly mounted on the periphery above the mounting base, and a top plate is fixedly mounted above the four supporting rods; supporting seats are fixedly mounted on the periphery of the bottom of the mounting base, a workbench is further fixedly mounted above the mounting base, and a rectangular groove is formed in the upper portion of the workbench. According to the device, when a guide block vertically moves downwards, a grinding block can be driven by a first movable rod to horizontally move under the assistance of a second sliding groove and a second sliding block, so that the grinding block can move out of a placement notch, and at the moment, a stamping assembly clamps a clamped workpiece body; and at the moment, the polishing block can rotate, so that the inner wall of the punched workpiece body can be polished.

Description

Technical Field

[0001] The invention belongs to the technical field of CNC punching dies, and in particular relates to a CNC punching die capable of removing burrs and a CNC forming machine tool. Background Art

[0002] Stamping parts are obtained by applying external force to plates, strips, pipes and profiles by presses and dies to make them plastically deform or separate, so as to obtain workpieces of the required shape and size. CNC punching machine is the abbreviation of digital control punching machine. It is an automatic machine tool equipped with a program control system. It can form an automatic stamping production line with stamping dies. The existing stamping dies can basically meet the daily use needs, but there are still some shortcomings that need to be improved.

[0003] However, in the existing process of stamping plates, the burrs after stamping are often removed by workers who take out the workpiece after stamping and then remove the burrs again, which is quite troublesome.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A burr-removable CNC stamping die comprises a mounting unit, a transmission unit and a positioning unit, wherein the mounting unit comprises a mounting base, support rods are fixedly mounted on the four support rods, a top plate is fixedly mounted on the four support rods, a support seat is fixedly mounted on the bottom of the mounting base, a workbench is also fixedly mounted on the mounting base, a rectangular groove is provided on the top of the workbench, four rectangular notches are provided on the top of the workbench and are distributed in a circumference, a circular notch is provided on the bottom of the inner cavity of the rectangular groove, a hydraulic cylinder is provided in the middle of the bottom of the top plate, an upper die is fixedly mounted on the output end of the hydraulic cylinder, a workpiece body is placed on the bottom of the inner cavity of the rectangular groove, a material discharge port is provided on the bottom of the mounting base, and the material discharge port and the circular notch fit each other;

[0007] The positioning unit comprises four tilting blocks, the four tilting blocks are respectively arranged in the inner cavity of the rectangular groove, the four tilting blocks are distributed in a circle, the bottom of the four tilting blocks are provided with slide rails, and the four slide rails are respectively installed at the bottom of the inner cavity of the rectangular groove;

[0008] The transmission unit includes a driving component and a circular mounting cylinder, the side wall of the circular mounting cylinder is provided with four placement slots distributed in a circumferential manner, one side wall of the four placement slots opposite to each other is fixedly provided with a positioning slider, the inner cavities of the four placement slots are sealed with a movable plate, one side wall of the four movable plates opposite to each other is provided with a positioning slide groove, each of the positioning slide grooves is respectively slidably connected to the positioning slider, a connecting plate is fixedly installed on one side wall of each movable plate opposite to each other, and circular mounting rings are fixedly connected at opposite ends of the four connecting plates, and a stamping component is provided at the bottom of the circular mounting cylinder.

[0009] As a preferred embodiment of the present invention, the driving assembly includes a servo motor, a mounting seat is provided on the servo motor, the mounting seat is installed on the top plate, a rotating rod is fixedly installed on the output end of the servo motor, and a circular mounting cylinder is fixedly installed on the end of the rotating rod away from the servo motor.

[0010] As a preferred embodiment of the present invention, first wedge blocks are fixedly installed on opposite side walls of the four movable plates, second wedge blocks are arranged on one side wall of the four first wedge blocks, and first sliding mechanisms are arranged above the four second wedge blocks.

[0011] As a preferred embodiment of the present invention, the first sliding mechanism includes four first sliding grooves, the four first sliding grooves are opened on the inner wall of the circular mounting cylinder, the four first sliding grooves are distributed in a circle, two mutually symmetrical first sliding rods are slidably installed in the inner cavities of the four first sliding grooves, a first return spring is fixedly installed at one end of the inner cavities of the four first sliding grooves, and a first return spring is fixedly installed at one end of each of the first sliding rods away from the first sliding groove, and the other ends of the four first return springs are fixedly connected to the inner wall of the first sliding groove.

[0012] As a preferred embodiment of the present invention, a fixing rod is provided in the inner cavity of the circular mounting tube, and both ends of the fixing rod are respectively fixedly mounted on the inner wall of the circular mounting tube. A guide block is movably sleeved on the fixing rod, and the guide block is located below the four second wedge-shaped blocks.

[0013] As a preferred embodiment of the present invention, four grinding blocks distributed in a circular pattern are also provided at the bottom of the inner cavity of the circular mounting cylinder, a second sliding mechanism is provided at the bottom of the four grinding blocks, a first movable rod is movably installed at one end of the four grinding blocks, and the other ends of the four first movable rods are movably connected to the guide block.

[0014] As a preferred embodiment of the present invention, the second sliding mechanism includes four second slide grooves, the four second slide grooves are respectively opened at the bottom of the inner cavity of the circular mounting cylinder, the four second slide grooves are distributed in a circle, two second sliding blocks are slidably installed in the inner cavities of the four second slide grooves, each of the second sliding blocks is fixedly installed with a grinding block at one end away from the second slide groove, a second return spring is fixedly installed on one side wall of the inner cavity of the four second slide grooves, and the other ends of the four second return springs are respectively fixedly connected to the second slider.

[0015] As a preferred embodiment of the present invention, four tilting blocks distributed in a circle are arranged above the workbench, and swing arms are slidably arranged at the bottom of the four tilting blocks. The other ends of the four swing arms are respectively arranged on one side wall of the positioning plate, and the four swing arms are respectively movable through the rectangular groove and the installation groove. The four swing arms are symmetrical with each other, and a rotating rod is fixedly penetrated in the middle of the four swing arms, and the two ends of the rotating rod are respectively rotatably arranged on the opposite side walls of the rectangular groove.

[0016] As a preferred embodiment of the present invention, a third sliding mechanism is provided at the bottom of the four tilting blocks, and the third sliding mechanism includes a plurality of third slide grooves, each of the third slide grooves is respectively opened above the workbench, and each of the third slide grooves is symmetrical with each other, and a third slider is slidably installed in the inner cavity of each of the third slide grooves, and one end of each of the third sliders away from the third slide groove is fixedly connected to a tilting block, and a third return spring is fixedly installed on one side wall of the inner cavity of each of the third slide grooves, and the other end of each of the third return springs is respectively fixedly connected to the third slider.

[0017] A numerical control forming machine tool comprises the above-mentioned numerical control stamping die capable of removing burrs.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] When the guide block moves vertically downward, the grinding block can be driven by the first movable rod to move horizontally with the assistance of the second slide groove and the second slide block, so that the grinding block can be moved out of the placement slot, and the stamping assembly has clamped the clamped workpiece body, so that the stamping assembly can punch holes, and the grinding block can rotate at this time, so that the inner wall of the workpiece body in the punching hole can be polished.

[0020] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In the attached picture:

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a CNC stamping die and a CNC forming machine tool capable of removing burrs;

[0023] Figure 2 It is a schematic diagram of the structure of a CNC stamping die and a CNC forming machine tool capable of removing burrs from a bottom-up view;

[0024] Figure 3 It is a schematic diagram of the structure of a servo motor of a CNC stamping die and a CNC forming machine tool capable of removing burrs;

[0025] Figure 4 It is a schematic diagram of the exploded structure of a circular mounting cylinder of a CNC stamping die and a CNC forming machine tool capable of removing burrs;

[0026] Figure 5 It is a schematic diagram of the cross-sectional structure of a circular mounting cylinder of a CNC stamping die and a CNC forming machine tool capable of removing burrs;

[0027] Figure 6 It is a schematic diagram of the cross-sectional and bottom-view structure of a circular mounting cylinder of a CNC stamping die capable of deburring and a CNC forming machine tool;

[0028] Figure 7 It is a schematic diagram of the side view of the inner cavity of a circular mounting cylinder of a CNC stamping die and a CNC forming machine tool capable of removing burrs;

[0029] Figure 8It is a schematic diagram of the overall structure of a circular mounting cylinder inner cavity of a CNC stamping die capable of deburring and a CNC forming machine tool;

[0030] Fig. 9 It is a schematic diagram of the structure above the workbench of a CNC stamping die and a CNC forming machine tool capable of removing burrs;

[0031] Fig.10 It is a schematic diagram of the cross-sectional structure of a CNC stamping die capable of deburring and a workbench of a CNC forming machine tool;

[0032] Fig.11 It is a schematic diagram of a top view of a CNC stamping die capable of deburring and a workbench of a CNC forming machine tool;

[0033] Fig.12 The invention is a schematic diagram of a burr-removing CNC stamping die and a swing arm structure of a CNC forming machine tool.

[0034] In the figure:

[0035] 100, mounting unit; 101, mounting base; 1011, support rod; 1012, top plate; 1013, support seat; 1014, feed opening; 102, workbench; 1021, rectangular notch; 1022, rectangular slot; 1023, circular notch; 1024, mounting notch; 103, hydraulic cylinder; 1031, upper die; 104, workpiece body;

[0036] 200, transmission unit; 201, servo motor; 2011, mounting seat; 2012, rotating rod; 202, circular mounting cylinder; 2021, placement notch; 2022, positioning slider; 2023, stamping assembly; 203, moving plate; 2031, connecting plate; 2032, circular mounting ring; 2033, positioning slide; 204, first wedge block; 2041, second wedge block; 2042, first slide; 2043, first slide bar; 2044, first return spring; 205, fixing rod; 2051, guide block; 206, grinding block; 2061, second slide; 2062, second slider; 2063, second return spring; 2064, first movable rod;

[0037] 300, positioning unit; 301, tilting block; 3011, third slide groove; 3012, third slider; 3013, third return spring; 302, positioning plate; 3021, swing arm; 3022, slide rail; 3023, rotating rod. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0039] Embodiment 1:

[0040] like Figures 1 to 12As shown, a burr-removable CNC stamping die comprises a mounting unit 100, a transmission unit 200 and a positioning unit 300. The mounting unit 100 comprises a mounting base 101. Support rods 1011 are fixedly mounted on the four sides of the mounting base 101. A top plate 1012 is fixedly mounted on the four support rods 1011. Support seats 1013 are fixedly mounted on the four sides of the bottom of the mounting base 101. A workbench 102 is also fixedly mounted on the top of the mounting base 101. A rectangular groove 1013 is opened on the top of the workbench 102. 22, four rectangular notches 1021 are arranged in a circumferential distribution above the workbench 102, a circular notch 1023 is arranged at the bottom of the inner cavity of the rectangular notch 1022, a hydraulic cylinder 103 is arranged in the middle of the bottom of the top plate 1012, an upper die 1031 is fixedly installed at the output end of the hydraulic cylinder 103, a workpiece body 104 is placed at the bottom of the inner cavity of the rectangular notch 1022, a feed opening 1014 is arranged at the bottom of the mounting base 101, and the feed opening 1014 and the circular notch 1023 fit each other; the positioning unit 300 includes Four tilting blocks 301, the four tilting blocks 301 are respectively arranged in the inner cavity of the rectangular groove 1022, the four tilting blocks 301 are distributed in a circle, and the bottom of the four tilting blocks 301 is provided with a slide rail 3022, and the four slide rails 3022 are respectively installed at the bottom of the inner cavity of the rectangular groove 1022; the transmission unit 200 includes a driving component and a circular mounting cylinder 202, and the side wall of the circular mounting cylinder 202 is provided with four placement slots 2021 arranged in a circular distribution, and the four placement slots 2021 are fixedly installed on one side wall opposite to each other. There is a positioning slider 2022, and the inner cavities of the four placement slots 2021 are all sealed with movable plates 203. The side walls opposite to each other of the four movable plates 203 are each provided with a positioning groove 2033. Each positioning groove 2033 is respectively slidably connected to the positioning slider 2022. The side walls opposite to each other of each movable plate 203 are fixedly installed with a connecting plate 2031. The opposite ends of the four connecting plates 2031 are fixedly connected with a circular mounting ring 2032, and a stamping assembly 2023 is provided at the bottom of the circular mounting cylinder 202.When the bottom of the circular mounting ring 2032 contacts the top of the workbench 102, the circular mounting ring 2032 cannot move. At this time, when the circular mounting cylinder 202 continues to move downward, the movable plate 203 is in a stationary state. Because the circular mounting cylinder 202 is in a state of continuing to move downward, the second wedge-shaped block 2041 provided in the inner cavity of the circular mounting cylinder 202 can move horizontally with the assistance of the first slide groove 2042 and the first slide rod 2043 under the extrusion force of the first wedge-shaped block 204 fixedly installed on the movable plate 203. When the second wedge-shaped block 2041 moves horizontally, it can It is able to squeeze the guide block 2051 and move vertically downward with the assistance of the fixed rod 205. When the guide block 2051 moves vertically downward, it will be able to drive the grinding block 206 to move horizontally with the assistance of the second slide groove 2061 and the second slider 2062 through the first movable rod 2064, so that the grinding block 206 can move out from the placement slot 2021. At this time, the stamping assembly 2023 has clamped the clamped workpiece body 104, so that the stamping assembly 2023 can punch a hole. At this time, the grinding block 206 can rotate, so that the inner wall of the workpiece body 104 in the punching hole can be polished.

[0041] like Figures 1 to 3 As shown, in a specific embodiment, the driving assembly includes a servo motor 201, a mounting seat 2011 is provided on the servo motor 201, the mounting seat 2011 is mounted on the top plate 1012, a rotating rod 2012 is fixedly mounted on the output end of the servo motor 201, and a circular mounting cylinder 202 is fixedly mounted on the end of the rotating rod 2012 away from the servo motor 201. In this configuration, the installation position and components of the driving assembly are determined.

[0042] like Figures 1 to 8 As shown, further, first wedge blocks 204 are fixedly installed on the side walls of the four moving plates 203 facing each other, second wedge blocks 2041 are arranged on the side walls of the four first wedge blocks 204, and first sliding mechanisms are arranged above the four second wedge blocks 2041. In this configuration, the installation positions and components of the first wedge blocks 204 and the second wedge blocks 2041 are determined.

[0043] like Figures 4 to 8As shown, further, the first sliding mechanism includes four first sliding grooves 2042, the four first sliding grooves 2042 are opened on the inner wall of the circular mounting cylinder 202, the four first sliding grooves 2042 are respectively distributed in a circle, two mutually symmetrical first sliding rods 2043 are slidably installed in the inner cavity of the four first sliding grooves 2042, one end of the inner cavity of the four first sliding grooves 2042 is fixedly installed with a first return spring 2044, each first sliding rod 2043 is fixedly installed with a first return spring 2044 at one end away from the first sliding groove 2042, and the other ends of the four first return springs 2044 are fixedly connected to the inner wall of the first sliding groove 2042. In this configuration, the installation position and components of the first sliding mechanism are determined.

[0044] Embodiment 2:

[0045] The difference between the above embodiment and this embodiment is that: Figures 4 to 8 As shown, a CNC stamping die capable of deburring is provided with a fixing rod 205 in the inner cavity of a circular mounting cylinder 202, and both ends of the fixing rod 205 are respectively fixedly mounted on the inner wall of the circular mounting cylinder 202, and a guide block 2051 is movably sleeved on the fixing rod 205, and the guide block 2051 is located below the four second wedge-shaped blocks 2041. In this configuration, the installation position and components of the guide block 2051 are determined.

[0046] like Figures 4 to 8 As shown, in a specific embodiment, four grinding blocks 206 arranged in a circumferential distribution are further arranged at the bottom of the inner cavity of the circular installation cylinder 202, a second sliding mechanism is arranged at the bottom of the four grinding blocks 206, a first movable rod 2064 is movably installed at one end of the four grinding blocks 206, and the other ends of the four first movable rods 2064 are movably connected to the guide block 2051. In this configuration, the installation position and connection relationship of the grinding blocks 206 are determined.

[0047] like Figures 4 to 8 As shown, further, the second sliding mechanism includes four second slide grooves 2061, which are respectively opened at the bottom of the inner cavity of the circular mounting cylinder 202, and the four second slide grooves 2061 are distributed in a circle, and the inner cavities of the four second slide grooves 2061 are each slidably mounted with two second sliders 2062 which are symmetrical to each other, and each second slider 2062 is fixedly mounted with a grinding block 206 at one end away from the second slide groove 2061, and a second return spring 2063 is fixedly mounted on one side wall of the inner cavity of the four second slide grooves 2061, and the other ends of the four second return springs 2063 are respectively fixedly connected to the second slider 2062. In this configuration, the installation position and components of the second sliding mechanism are determined.

[0048] like Figure 1 to Figure 2 and Figures 9 to 12As shown, further, four tilting blocks 301 arranged in a circumferential distribution are arranged above the workbench 102, and swing arms 3021 are slidably arranged at the bottom of the four tilting blocks 301, and the other ends of the four swing arms 3021 are respectively arranged on one side wall of the positioning plate 302, and the four swing arms 3021 are respectively movably penetrated through the rectangular slot 1021 and the installation slot 1024, and the four swing arms 3021 are symmetrical to each other, and a rotating rod 3023 is fixedly penetrated in the middle of the four swing arms 3021, and the two ends of the rotating rod 3023 are respectively rotatably arranged on the opposite side walls of the rectangular slot 1021. In this setting, the installation position and components of the swing arm 3021 are determined.

[0049] like Figure 1 to Figure 2 and Figures 9 to 11 As shown, further, the bottom of the four tilting blocks 301 are all provided with a third sliding mechanism, the third sliding mechanism includes a plurality of third slide grooves 3011, each of the third slide grooves 3011 is respectively opened above the workbench 102, each of the third slide grooves 3011 is symmetrical to each other, each of the third slide grooves 3011 is slidably installed with a third slider 3012 in the inner cavity, each of the third sliders 3012 is respectively fixedly connected to the tilting block 301 at one end away from the third slide groove 3011, and each of the third sliders 3012 is fixedly installed with a third return spring 3013 on one side wall of the inner cavity of each third slide groove 3011, and the other end of each third return spring 3013 is respectively fixedly connected to the third slider 3012. In this configuration, the installation position and components of the third sliding mechanism are determined.

[0050] Embodiment 3:

[0051] The invention also discloses a CNC forming machine tool, comprising the CNC stamping die capable of removing burrs.

[0052] The implementation principle of a NC stamping die and NC forming machine tool capable of deburring in this embodiment is as follows:

[0053] First, the staff places the workpiece body 104 at the bottom of the inner cavity of the rectangular groove 1022 opened in the workbench 102. When the workpiece body 104 is placed, the staff starts the hydraulic cylinder 103 and the servo motor 201, so that the hydraulic cylinder 103 can push the upper mold 1031 to move vertically downward. When the upper mold 1031 moves vertically downward, it can drive the servo motor 201 to move vertically downward.

[0054] When the servo motor 201 is started, it can drive the rotating rod 2012 to rotate, and when the rotating rod 2012 rotates, it can drive the circular mounting cylinder 202 to rotate, so that the stamping assembly 2023 can be driven to rotate and move vertically downward through the circular mounting cylinder 202;

[0055] When the circular installation cylinder 202 moves vertically downward to a certain position, the circular installation ring 2032 can squeeze the tilting block 301 to move to the side away from the circular installation cylinder 202 (because the circular installation ring 2032 is connected to the movable plate 203 through the connecting plate 2031, and the movable plate 203 is provided with positioning grooves 2033 on both sides, and the inner cavity of the positioning groove 2033 is slidably installed with a positioning slider 2022, and the positioning slider 2022 slides in the inner cavity of the positioning groove 2033, so that the movable plate 203 and the circular installation ring 2032 can be ensured to be a whole).

[0056] When the tilting block 301 moves horizontally, the swing arm 3021 slidably arranged at the bottom can be rotated with the assistance of the rotating rod 3023, so that the positioning plate 302 can be pushed by the other end of the swing arm 3021 to squeeze, align and position the placed workpiece body 104;

[0057] The first wedge block 2041 is pressed against the second wedge block 2041 in the inner cavity of the circular mounting tube 202, and the second wedge block 2041 is pressed against the first ... The guide block 2051 can be squeezed to move vertically downward with the assistance of the fixed rod 205. When the guide block 2051 moves vertically downward, the first movable rod 2064 can drive the grinding block 206 to move horizontally with the assistance of the second slide groove 2061 and the second slider 2062, so that the grinding block 206 can be moved out from the placement slot 2021. At this time, the stamping assembly 2023 has clamped the clamped workpiece body 104, so that the stamping assembly 2023 can punch a hole. At this time, the grinding block 206 can rotate, so that the inner wall of the workpiece body 104 in the punching hole can be polished.

Claims

1. A burr-removable CNC stamping die, comprising a mounting unit (100), a transmission unit (200) and a positioning unit (300), characterized in that: The mounting unit (100) comprises a mounting base (101), support rods (1011) are fixedly mounted on the four sides of the mounting base (101), top plates (1012) are fixedly mounted on the four support rods (1011), support seats (1013) are fixedly mounted on the four sides of the bottom of the mounting base (101), a workbench (102) is also fixedly mounted on the mounting base (101), a rectangular groove (1022) is provided on the top of the workbench (102), and four Rectangular notches (1021) are arranged in a circumferential distribution, a circular notch (1023) is provided at the bottom of the inner cavity of the rectangular notch (1022), a hydraulic cylinder (103) is provided in the middle of the bottom of the top plate (1012), an upper die (1031) is fixedly installed at the output end of the hydraulic cylinder (103), a workpiece body (104) is placed at the bottom of the inner cavity of the rectangular notch (1022), a material discharge port (1014) is provided at the bottom of the mounting base (101), and the material discharge port (1014) and the circular notch (1023) fit each other; The positioning unit (300) comprises four tilting blocks (301), the four tilting blocks (301) are respectively arranged in the inner cavity of the rectangular groove (1022), the four tilting blocks (301) are distributed in a circumference, and the bottoms of the four tilting blocks (301) are all provided with slide rails (3022), and the four slide rails (3022) are respectively installed at the bottom of the inner cavity of the rectangular groove (1022); The transmission unit (200) comprises a driving assembly and a circular mounting cylinder (202); a side wall of the circular mounting cylinder (202) is provided with four placement notches (2021) arranged in a circumferential distribution; a positioning slider (2022) is fixedly installed on one side wall of the four placement notches (2021) opposite to each other; a movable plate (203) is sealedly installed in the inner cavity of each of the four placement notches (2021); a positioning slide groove (2033) is provided on one side wall of the four movable plates (203) opposite to each other; each positioning slide groove (2033) is slidably connected to the positioning slider (2022); a connecting plate (2031) is fixedly installed on one side wall of each of the movable plates (203); a circular mounting ring (2032) is fixedly connected to the opposite ends of the four connecting plates (2031); and a stamping assembly (2023) is provided at the bottom of the circular mounting cylinder (202).

2. A CNC stamping die capable of deburring according to claim 1, characterized in that: The driving assembly comprises a servo motor (201), a mounting seat (2011) is provided on the servo motor (201), the mounting seat (2011) is mounted on a top plate (1012), a rotating rod (2012) is fixedly mounted on the output end of the servo motor (201), and a circular mounting cylinder (202) is fixedly mounted on one end of the rotating rod (2012) away from the servo motor (201).

3. A CNC stamping die capable of deburring according to claim 1, characterized in that: A first wedge-shaped block (204) is fixedly mounted on one side wall of each of the four movable plates (203) that are opposite to each other, a second wedge-shaped block (2041) is arranged on one side wall of the four first wedge-shaped blocks (204), and a first sliding mechanism is arranged above the four second wedge-shaped blocks (2041).

4. A CNC stamping die capable of deburring according to claim 3, characterized in that: The first sliding mechanism includes four first sliding grooves (2042), the four first sliding grooves (2042) are opened on the inner wall of the circular mounting cylinder (202), the four first sliding grooves (2042) are respectively distributed in a circle, two mutually symmetrical first sliding rods (2043) are slidably installed in the inner cavities of the four first sliding grooves (2042), a first return spring (2044) is fixedly installed at one end of the inner cavity of the four first sliding grooves (2042), and a first return spring (2044) is fixedly installed at one end of each of the first sliding rods (2043) away from the first sliding groove (2042), and the other ends of the four first return springs (2044) are fixedly connected to the inner wall of the first sliding groove (2042).

5. A CNC stamping die capable of deburring according to claim 1, characterized in that: The inner cavity of the circular installation cylinder (202) is provided with a fixing rod (205), and the two ends of the fixing rod (205) are respectively fixedly mounted on the inner wall of the circular installation cylinder (202). A guide block (2051) is movably sleeved on the fixing rod (205), and the guide block (2051) is located below the four second wedge-shaped blocks (2041).

6. A CNC stamping die capable of deburring according to claim 5, characterized in that: Four grinding blocks (206) are also arranged in a circumferential distribution at the bottom of the inner cavity of the circular mounting cylinder (202), a second sliding mechanism is arranged at the bottom of the four grinding blocks (206), a first movable rod (2064) is movably installed at one end of the four grinding blocks (206), and the other ends of the four first movable rods (2064) are movably connected to the guide block (2051).

7. A CNC stamping die capable of deburring according to claim 6, characterized in that: The second sliding mechanism comprises four second slide grooves (2061), the four second slide grooves (2061) are respectively opened at the bottom of the inner cavity of the circular mounting cylinder (202), the four second slide grooves (2061) are distributed in a circle, two second sliding blocks (2062) are slidably installed in the inner cavity of the four second slide grooves (2061), and each of the second sliding blocks (2062) is fixedly installed with a grinding block (206) at one end away from the second slide groove (2061), and a second return spring (2063) is fixedly installed on one side wall of the inner cavity of the four second slide grooves (2061), and the other ends of the four second return springs (2063) are respectively fixedly connected to the second sliding block (2062).

8. The CNC stamping die capable of deburring according to claim 1, characterized in that: Four tilting blocks (301) are arranged above the workbench (102) and are distributed in a circumference. Swing arms (3021) are slidably arranged at the bottom of the four tilting blocks (301). The other ends of the four swing arms (3021) are respectively arranged on one side wall of the positioning plate (302). The four swing arms (3021) are respectively movably penetrated through the rectangular slot (1021) and the installation slot (1024). The four swing arms (3021) are symmetrical to each other. A rotating rod (3023) is fixedly penetrated in the middle of the four swing arms (3021), and the two ends of the rotating rod (3023) are respectively rotatably arranged on the opposite side walls of the rectangular slot (1021).

9. A CNC stamping die capable of deburring according to claim 8, characterized in that: A third sliding mechanism is provided at the bottom of the four tilting blocks (301), and the third sliding mechanism includes a plurality of third slide grooves (3011), each of the third slide grooves (3011) is respectively opened above the workbench (102), and each of the third slide grooves (3011) is symmetrical with each other, and a third sliding block (3012) is slidably installed in the inner cavity of each of the third slide grooves (3011), and one end of each of the third sliding blocks (3012) away from the third slide groove (3011) is fixedly connected to the tilting block (301), and a third return spring (3013) is fixedly installed on one side wall of the inner cavity of each of the third slide grooves (3011), and the other end of each of the third return springs (3013) is respectively fixedly connected to the third sliding block (3012).

10. A CNC forming machine tool, characterized in that: A CNC stamping die capable of deburring comprising any one of claims 1 to 9.

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