Selecting and punching combined mechanism

Abstract

The utility model discloses a selective punching combined mechanism which comprises a base plate, a supporting block is fixed to the center of the top face of the base plate, a top plate is fixed to the top end of a guide column, a punch is fixedly installed in the center of the bottom face of an upper die base, a servo motor is fixed to the edge of the top face of the base plate, and a horizontal threaded rod is installed at the output end of the servo motor. The horizontal threaded rod is rotationally installed on the top face of the base plate through a bearing seat and penetrates through the bottom of the supporting plate, the bottom face of the supporting plate is attached to the inner wall of the rail groove, the top face of the supporting plate is attached to the side face of the bottom of the positioning plate, and the positioning plate is fixedly installed on the outer side face of the bottom die base. According to the selective punching combined mechanism, the novel structural design is adopted, the bottom die base can be supported during punching, the stability of the bottom die base is guaranteed, the bottom die base can be rapidly driven to move downwards during selective punching, meanwhile, the driving mechanism is stable in structure and can be self-locked, and it is guaranteed that the bottom die base can stably work in different states.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a selective stamping combined mechanism. Background Art

[0002] Stamping dies are widely used in the automobile manufacturing industry, mainly for stamping all stamping parts on automobiles. Common stamping dies include blanking dies, bending dies, drawing dies and forming dies, which are indispensable process equipment for stamping production.

[0003] Existing punching and selecting combined mechanisms, such as the Chinese utility model patent with publication number CN213559488U, entitled a punching and selecting mechanism for a stamping die, are provided with structures such as a rotating cylinder, a rotating rod, a slider, and a sliding seat. After the rotating cylinder is actuated, the piston rod inside the rotating cylinder is extended and retracted, and the rotating rod can slide up and down with the sliding seat after rotating, thereby changing the position of the die seat and performing punching and selecting. However, some stamping parts are subjected to high pressure during stamping. The rotating cylinder and the rotating rod are not only thin, but also have insufficient structural strength and are easily deformed or broken during the stamping process. Moreover, the simple rotating and sliding mechanisms are not stable enough to stably position the die seat. Therefore, it is necessary to design a punching and selecting combined mechanism to address the above problems. Summary of the invention

[0004] The purpose of the utility model is to provide a selective punching combination mechanism to solve the problem in the above background technology that the rotating cylinder and rotating rod used in the existing selective punching combination mechanism are not only slender, but also lack structural strength and are easy to deform or break during the punching process, and the simple rotating and sliding mechanism lacks stability and cannot stably position the mold base.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching combination mechanism comprises a base plate, a support block is fixed at the center of the top surface of the base plate, a bottom die seat is installed on the support block, a spring telescopic rod is fixed on the top of the support block, the top of the spring telescopic rod is connected and fixed to the inner top surface of the bottom die seat, a guide column is fixed at the corner of the top surface of the base plate, a top plate is fixed at the top of the guide column, a hydraulic drive mechanism is arranged on the top plate, an upper die seat is installed at the bottom end of the hydraulic drive mechanism, a punch is fixedly installed at the center of the bottom surface of the upper die seat, a servo motor is fixed at the edge of the top surface of the base plate, a horizontal threaded rod is installed at the output end of the servo motor, the horizontal threaded rod is rotatably installed on the top surface of the base plate through a bearing seat, the horizontal threaded rod passes through the bottom of the support plate, the bottom surface of the support plate is fitted with the inner wall of the track groove, the track groove is opened on the top surface of the base plate, the top surface of the support plate is fitted with the bottom side of the positioning plate, and the positioning plate is fixedly installed on the outer side surface of the bottom die seat.

[0006] Preferably, the servo motor and the horizontal threaded rod are symmetrically distributed about the center of the base plate, the spiral directions of the threads on both sides of the center of the horizontal threaded rod are opposite, and the horizontal threaded rod is threadedly connected to the support plate.

[0007] Preferably, the support plates are symmetrically distributed about the center of the horizontal threaded rod, and the center of the horizontal threaded rod and the center of the positioning plate are on the same vertical plane.

[0008] Preferably, the support plates are symmetrically distributed about the center of the positioning plate, the front view shape of the support plates is a right-angled trapezoid, and the inclination angle of the top slope of the support plate is the same as the inclination angle of the bottom slope of the positioning plate.

[0009] Preferably, a stabilizing bar is disposed on the top surface of the support plate, the stabilizing bar is in contact with the inner wall of the stabilizing groove, and the stabilizing groove is provided on the bottom inclined surface of the positioning plate.

[0010] Preferably, the stabilizing bar is slidably connected to the stabilizing groove, and the stabilizing bar is arranged at the center of the top inclined surface of the supporting plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the selective punching combination mechanism adopts a new structural design, which can not only support the bottom die seat during punching to ensure the stability of the bottom die seat, but also can quickly drive the bottom die seat to move downward during selective punching. At the same time, the driving mechanism has a stable structure and can be self-locking, ensuring that the bottom die seat can work stably in different states.

[0012] 1. The support plate is stably positioned by the self-locking of the threads of the horizontal threaded rod when it is stationary. At the same time, the symmetrically distributed support plates can stably support the positioning plate and the bottom die seat, ensuring the stability of the bottom die seat during stationary stamping;

[0013] 2. The servo motor drives the horizontal threaded rod to rotate, so that the horizontal threaded rod uses the threads with opposite spiral directions on both sides of the center to drive the symmetrically distributed support plates to slide away along the track groove, so that the positioning plate and the bottom mold base move downward under the elastic force of the spring telescopic rod, and the bottom side of the positioning plate and the top side of the support plate slide relative to each other, ensuring the stability of the positioning plate and the bottom mold base when moving downward. At the same time, when moving downward to a suitable position, the support plate can still stably support the positioning plate and the bottom mold base. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the support plate and the positioning plate of the utility model;

[0016] Figure 3 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the top view cross-sectional structure of the support block and the bottom mold base of the utility model.

[0018] In the figure: 1. base plate; 2. support block; 3. bottom die seat; 4. spring telescopic rod; 5. guide column; 6. top plate; 7. hydraulic drive mechanism; 8. upper die seat; 9. punch; 10. servo motor; 11. horizontal threaded rod; 12. support plate; 13. track groove; 14. positioning plate; 15. stabilizing bar; 16. stabilizing groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a punching combination mechanism, including a base plate 1, a support block 2, a bottom die seat 3, a spring telescopic rod 4, a guide column 5, a top plate 6, a hydraulic drive mechanism 7, an upper die seat 8, a punch 9, a servo motor 10, a horizontal threaded rod 11, a support plate 12, a track groove 13, a positioning plate 14, a stabilizing bar 15 and a stabilizing groove 16. A support block 2 is fixed to the center of the top surface of the base plate 1, a bottom die seat 3 is installed on the support block 2, a spring telescopic rod 4 is fixed to the top of the support block 2, the top of the spring telescopic rod 4 is connected and fixed to the inner top surface of the bottom die seat 3, a guide column 5 is fixed to the corner of the top surface of the base plate 1, and a A top plate 6 is provided with a hydraulic drive mechanism 7, an upper die seat 8 is installed at the bottom end of the hydraulic drive mechanism 7, a punch 9 is fixedly installed at the center of the bottom surface of the upper die seat 8, a servo motor 10 is fixed to the edge of the top surface of the base plate 1, a horizontal threaded rod 11 is installed at the output end of the servo motor 10, the horizontal threaded rod 11 is rotatably installed on the top surface of the base plate 1 through a bearing seat, the horizontal threaded rod 11 passes through the bottom of the support plate 12, the bottom surface of the support plate 12 is fitted with the inner wall of the track groove 13, the track groove 13 is opened on the top surface of the base plate 1, the top surface of the support plate 12 is fitted with the bottom side of the positioning plate 14, and the positioning plate 14 is fixedly installed on the outer surface of the bottom die seat 3.

[0021] The servo motor 10 and the horizontal threaded rod 11 are symmetrically distributed about the center of the base plate 1. The spiral directions of the threads on both sides of the center of the horizontal threaded rod 11 are opposite. The horizontal threaded rod 11 is threadedly connected to the support plate 12. The above structural design enables the horizontal threaded rod 11 to utilize the threaded connection relationship to stably drive the support plate 12 to move.

[0022] The support plates 12 are symmetrically distributed about the center of the horizontal threaded rod 11, and the center of the horizontal threaded rod 11 and the center of the positioning plate 14 are on the same vertical plane. The above structural design enables the horizontal threaded rod 11 to synchronously drive the support plates 12 connected at both ends to move at the same speed and in different directions when rotating.

[0023] The support plate 12 is symmetrically distributed about the center of the positioning plate 14. The front view shape of the support plate 12 is a right-angled trapezoid. The inclination angle of the top slope of the support plate 12 is the same as the inclination angle of the bottom slope of the positioning plate 14. The above-mentioned structural design enables the top slope of the support plate 12 to always fit with the bottom slope of the positioning plate 14, supporting the positioning plate 14 when stationary and ensuring the stability of the positioning plate 14 when moving.

[0024] A stabilizing bar 15 is provided on the top surface of the support plate 12, and the stabilizing bar 15 is in contact with the inner wall of the stabilizing groove 16. The stabilizing groove 16 is provided on the bottom inclined surface of the positioning plate 14. The above structural design ensures that the bottom inclined surface of the positioning plate 14 can slide stably relative to the top inclined surface of the support plate 12.

[0025] The stabilizing bar 15 and the stabilizing groove 16 are slidably connected, and the stabilizing bar 15 is arranged at the center of the top inclined surface of the support plate 12. The above structural design ensures that the positioning plate 14 can only slide linearly with the stabilizing groove 16 and the stabilizing bar 15, avoiding horizontal misalignment between the positioning plate 14 and the support plate 12, and ensuring the stability of the bottom mold base 3 when it is stationary and active.

[0026] Working principle: The initial state of this device is as follows Figure 2 and Figure 3 As shown, the symmetrically distributed support plates 12 are in a close state, the horizontal threaded rod 11 is locked by the servo motor 10, and the horizontal threaded rod 11 uses the thread self-locking to lock the support plate 12. The support plate 12 stably supports the positioning plate 14, props up the bottom die seat 3, and the spring telescopic rod 4 is in a stretched state. At this time, the material can be directly placed on the top of the bottom die seat 3, and the hydraulic drive mechanism 7 is started to drive the upper die seat 8 and the punch 9 to move down normally for stamping;

[0027] When selective flushing is required, control Figure 4 The symmetrically distributed servo motor 10 drives the connected horizontal threaded rod 11 to rotate in the same direction at the same speed, and the horizontal threaded rod 11 rotates to drive Figure 2The symmetrically distributed support plates 12 slide away along the track groove 13. Under the elastic force of the spring telescopic rod 4, the bottom die seat 3 moves vertically downward with the positioning plate 14. The bottom inclined surface of the positioning plate 14 slides downward along the top inclined surface of the support plate 12. The bottom die seat 3 leaves the work station to realize the selective punching processing. When normal stamping production is required, it is only necessary to control the servo motor 10 to drive the connected horizontal threaded rod 11 to rotate in the same speed in the opposite direction. The symmetrically distributed support plates 12 slide close to the track groove 13 and reset. By squeezing the bottom inclined surface of the positioning plate 14, the positioning plate 14 and the bottom die seat 3 are lifted up and reset, and normal stamping production can be carried out. This is the working principle of the selective punching combination mechanism.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A selective punching assembly mechanism, comprising a base plate (1), characterized in that: A support block (2) is fixed at the center of the top surface of the base plate (1), a bottom die seat (3) is mounted on the support block (2), a spring telescopic rod (4) is fixed at the top of the support block (2), the top of the spring telescopic rod (4) is connected and fixed to the inner top surface of the bottom die seat (3), a guide column (5) is fixed at the corner of the top surface of the base plate (1), a top plate (6) is fixed at the top of the guide column (5), a hydraulic drive mechanism (7) is arranged on the top plate (6), an upper die seat (8) is mounted at the bottom end of the hydraulic drive mechanism (7), a punch (9) is fixedly mounted at the center of the bottom surface of the upper die seat (8), and the A servo motor (10) is fixed to the edge of the top surface of the substrate (1); a horizontal threaded rod (11) is installed at the output end of the servo motor (10); the horizontal threaded rod (11) is rotatably mounted on the top surface of the substrate (1) via a bearing seat; the horizontal threaded rod (11) passes through the bottom of a support plate (12); the bottom surface of the support plate (12) is in contact with the inner wall of a track groove (13); the track groove (13) is provided on the top surface of the substrate (1); the top surface of the support plate (12) is in contact with the bottom side surface of a positioning plate (14); and the positioning plate (14) is fixedly mounted on the outer side surface of a bottom mold base (3).

2. The selective punching combined mechanism according to claim 1, characterized in that: The servo motor (10) and the horizontal threaded rod (11) are symmetrically distributed about the center of the base plate (1), the spiral directions of the threads on both sides of the center of the horizontal threaded rod (11) are opposite, and the horizontal threaded rod (11) is threadedly connected to the support plate (12).

3. The selective punching combined mechanism according to claim 1, characterized in that: The support plates (12) are symmetrically distributed about the center of the horizontal threaded rod (11), and the center of the horizontal threaded rod (11) and the center of the positioning plate (14) are located on the same vertical plane.

4. The selective punching combined mechanism according to claim 1, characterized in that: The support plate (12) is symmetrically distributed about the center of the positioning plate (14); the front view shape of the support plate (12) is a right-angled trapezoid; the inclination angle of the top inclined surface of the support plate (12) is the same as the inclination angle of the bottom inclined surface of the positioning plate (14).

5. The selective punching combined mechanism according to claim 1, characterized in that: The top surface of the support plate (12) is provided with a stabilizing strip (15), the stabilizing strip (15) is in contact with the inner wall of a stabilizing groove (16), and the stabilizing groove (16) is provided on the bottom inclined surface of the positioning plate (14).

6. The selective punching combined mechanism according to claim 5, characterized in that: The stabilizing bar (15) is slidably connected to the stabilizing groove (16), and the stabilizing bar (15) is arranged at the center of the top inclined surface of the support plate (12).

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