Supporting frame stamping device for elevator speed limiter

Abstract

The utility model provides a supporting frame stamping device for an elevator speed limiter. Relates to the technical field of steel plate processing. Comprising a base, two symmetrically-distributed supporting legs are fixedly installed at the bottom of the base, a U-shaped frame is fixedly installed at the top of the base, a stamping assembly for stamping a workpiece is arranged on the U-shaped frame, and a side wall trepanning assembly for trepanning the workpiece is arranged in the base; and the punching assembly comprises a supporting seat, a rotating shaft, a cylindrical block, an extrusion block, a mounting plate, a driving motor, a plurality of guide columns, a plurality of first springs, two guide plates, a punching block, a plurality of punching heads and a connecting block. The supporting frame stamping device for the elevator speed limiter has the advantages that a hole can be formed in a preset position while the workpiece is stamped, secondary machining is avoided, a hole can be formed in the side wall of the workpiece when the stamping block stamps the workpiece, and working efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator speed governor accessories processing, in particular to a support frame punching device used for an elevator speed governor. Background Art

[0002] The elevator speed limiter is one of the safety control components in the elevator safety protection system and is a safety protection device for the elevator. It monitors and controls the speed of the car at any time. When the elevator car overspeeds for any reason during operation, that is, 115% of the rated speed of the elevator, it can send a signal in time, and then produce a mechanical action to cut off the power supply circuit and brake the traction mechanism. If the elevator still cannot brake, the safety clamp installed at the bottom of the car will act to force the car to stop. The speed limiter is the issuer of the command, and the safety clamp is the executor. The joint action of the two has led to the saying of safe elevators. The installation and fixation of the elevator speed limiter usually requires a support frame, and the support frame is assembled by multiple stampings through bolts. In the production process of stampings, it is often inconvenient to open multiple holes on the bottom and side of the stampings.

[0003] Therefore, it is necessary to provide a support frame punching device for an elevator speed governor to solve the above technical problems. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a support frame punching device for an elevator speed limiter, which can conveniently open holes on the bottom and side surfaces of a punching part while producing the support frame punching part.

[0005] In order to solve the above technical problems, the utility model provides a support frame stamping device for an elevator speed limiter, comprising: a base, two symmetrically distributed support legs are fixedly installed on the bottom of the base, a U-shaped frame is fixedly installed on the top of the base, a stamping assembly for stamping a workpiece is arranged on the U-shaped frame, and a side wall opening assembly for opening a hole in the workpiece is arranged in the base.

[0006] Preferably, the stamping assembly includes a support seat, a rotating shaft, a cylindrical block, an extrusion block, a mounting plate, a driving motor, a plurality of guide columns, a plurality of first springs, two guide plates, a stamping block, a plurality of punching heads and a connecting block. The support seat is fixedly mounted on the top inner wall of the U-shaped frame, the rotating shaft is rotatably mounted on the support seat, the cylindrical block is fixedly sleeved on the rotating shaft, the extrusion block is fixedly mounted on the cylindrical block, the mounting plate is fixedly mounted on the rear side of the support seat, the driving motor is fixedly mounted on the bottom of the mounting plate, the output shaft of the driving motor is fixedly connected to the rotating shaft, and the plurality of guide columns are fixedly mounted on the top of the base and are evenly and symmetrically distributed. , multiple first springs are respectively sleeved on the corresponding guide columns, two guide plates are respectively slidably installed on the corresponding multiple guide columns and are located above the corresponding first springs, the stamping block is detachably installed on the side where the two guide plates are close to each other, multiple punching heads are fixedly installed at the bottom of the stamping block, a forming groove is opened on the top of the base, the bottom of the stamping block is slidably installed in the forming groove, a plurality of avoidance holes are opened at the bottom of the forming groove, the bottom ends of the multiple punching heads are respectively slidably installed in the corresponding avoidance holes, the connecting block is fixedly installed on the top of the stamping block, and the top of the connecting block is in sliding contact with the cylindrical block.

[0007] Preferably, the side wall hole opening assembly includes a double-headed motor, two screws, two moving blocks, two motors and two drill bits. A concave-shaped installation groove is opened on the front side of the base. The double-headed motor is fixedly mounted on the bottom inner wall of the installation groove. The two screws are fixedly mounted on the left and right ends of the double-headed motor respectively. The ends of the two screws away from each other are rotatably connected to the left and right inner walls of the installation groove respectively. The two moving blocks are respectively threaded on the two screws. The two motors are respectively fixedly mounted on the top of the two moving blocks. The two drill bits are respectively detachably mounted on the two motors and are arranged opposite to each other. Through holes are opened on the left and right inner walls of the forming groove. The two drill bits are respectively located in the two through holes. Positioning holes are opened on the left and right sides of the stamping block. The two positioning holes correspond one to one to the two through holes.

[0008] Preferably, two symmetrically distributed positioning plates are fixedly mounted on the bottom inner wall of the mounting groove, and the two screw rods rotate and penetrate the corresponding positioning plates respectively.

[0009] Preferably, guide rods are fixedly installed on the sides of the two positioning plates away from each other, and the ends of the two guide rods away from each other are respectively fixedly connected to the left and right inner walls of the installation groove, and the two moving blocks are respectively slidably installed on the corresponding guide rods.

[0010] Preferably, limit plates are fixedly installed on the inner walls on the left and right sides of the U-shaped frame, and the two limit plates are fixedly connected to the corresponding guide columns respectively.

[0011] Preferably, the bottom of the molding groove is provided with two ejection grooves distributed in pairs, the bottoms of the two ejection grooves are fixedly installed with second springs, the tops of the two second springs are fixedly installed with ejection blocks, and the two ejection blocks are slidably installed in the corresponding ejection grooves respectively.

[0012] Preferably, both left and right sides of the two ejection grooves are provided with limiting grooves, both left and right sides of the two ejection blocks are fixedly installed with limiting blocks, and the four limiting blocks are slidably installed in the corresponding limiting grooves respectively.

[0013] Preferably, a cover plate is detachably mounted on the front side of the base via bolts, and a plurality of pads are slidably mounted on the bottom inner wall of the mounting groove.

[0014] Compared with the related art, the support frame punching device for an elevator speed governor provided by the utility model has the following beneficial effects:

[0015] The utility model provides a support frame punching device for an elevator speed limiter. The punching assembly is composed of a support seat, a rotating shaft, a cylindrical block, an extrusion block, a mounting plate, a driving motor, a plurality of guide columns, a plurality of first springs, two guide plates, a punching block, a plurality of punching heads and a connecting block. The punching assembly can punch holes at predetermined positions while punching a workpiece, thereby avoiding secondary processing and improving work efficiency. The punching assembly can also punch holes on the side walls of the workpiece when the punching block punches the workpiece, thereby further improving work efficiency, through the combined action of a double-headed motor, two screws, two moving blocks, two motors, two drill bits, two through holes and two positioning holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure inside the utility model;

[0018] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the stamping block;

[0020] Figure 5 A schematic diagram of the three-dimensional structure of the base.

[0021] Numbers in the figure: 1. base; 2. support leg; 3. U-shaped frame; 4. support seat; 5. rotating shaft; 6. cylindrical block; 7. extrusion block; 8. mounting plate; 9. driving motor; 10. guide column; 11. first spring; 12. guide plate; 13. punching block; 14. punching head; 15. forming groove; 16. avoidance hole; 17. connecting block; 18. mounting groove; 19. double-headed motor; 20. screw; 21. moving block; 22. motor; 23. drill bit; 24. through hole; 25. positioning hole; 26. positioning plate; 27. guide rod; 28. limit plate; 29. ​​ejector groove; 30. second spring; 31. ejector block; 32. limit groove; 33. limit block; 34. cover plate; 35. pad. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1-Figure 5 ,in, Figure 1 It is a three-dimensional structural schematic diagram of the utility model; Figure 2 It is a schematic diagram of the three-dimensional structure inside the utility model; Figure 3 for Figure 2 A magnified schematic diagram of part A; Figure 4 It is a schematic diagram of the three-dimensional structure of the stamping block; Figure 5A support frame punching device for an elevator speed limiter comprises: a base 1, a cover plate 34 is detachably mounted on the front side of the base 1 by bolts, and the parts in the base 1 can be easily inspected and repaired through the cover plate 34, a plurality of pads 35 are slidably mounted on the bottom inner wall of the mounting groove 18, and the forming groove 15 can be supported and reinforced by the plurality of pads 35, two symmetrically distributed support legs 2 are fixedly mounted on the bottom of the base 1, a U-shaped frame 3 is fixedly mounted on the top of the base 1, a punching assembly for punching a workpiece is arranged on the U-shaped frame 3, a side wall opening assembly for opening a hole in the workpiece is arranged in the base 1, and a punching assembly for punching a hole in the workpiece is arranged in the base 1, and a punching assembly for punching a hole in the workpiece is arranged in the base 1. The assembly includes a support seat 4, a rotating shaft 5, a cylindrical block 6, an extrusion block 7, a mounting plate 8, a driving motor 9, a plurality of guide columns 10, a plurality of first springs 11, two guide plates 12, a punching block 13, a plurality of punching heads 14 and a connecting block 17. The support seat 4 is fixedly mounted on the top inner wall of the U-shaped frame 3, the rotating shaft 5 is rotatably mounted on the support seat 4, the cylindrical block 6 is fixedly sleeved on the rotating shaft 5, the extrusion block 7 is fixedly mounted on the cylindrical block 6, and the punching plate 13 is controlled to move downward by rotating the extrusion block 7 and extruding the connecting block 17 to punch the workpiece. The mounting plate 8 is fixedly mounted on the rear side of the support seat 4, and the driving motor 9 is fixedly mounted on the bottom of the mounting plate 8, the output shaft of the driving motor 9 is fixedly connected to the rotating shaft 5, a plurality of guide columns 10 are fixedly mounted on the top of the base 1 and are evenly and symmetrically distributed, and the plurality of guide columns 10 are used to guide and constrain the up and down movement of the punching block 13, and the limit plates 28 are fixedly mounted on the inner walls on both sides of the left and right sides of the U-shaped frame 3, and the two limit plates 28 are respectively fixedly connected to the corresponding guide columns 10, and the plurality of first springs 11 are respectively sleeved on the corresponding guide columns 10, and the two guide plates 12 are respectively slidably mounted on the corresponding plurality of guide columns 10 and are located above the corresponding first springs 11, and the plurality of The first spring 11 is used to push the guide plate 12 to move upward, driving the punching block 13 to return to its initial position. The punching block 13 is detachably mounted on the side where the two guide plates 12 are close to each other. Multiple punching heads 14 are fixedly mounted on the bottom of the punching block 13. A forming groove 15 is provided on the top of the base 1. The bottom of the punching block 13 is slidably mounted in the forming groove 15. A plurality of avoidance holes 16 are provided at the bottom of the forming groove 15. The bottom ends of the plurality of punching heads 14 are respectively slidably mounted in the corresponding avoidance holes 16. A connecting block 17 is fixedly mounted on the top of the punching block 13. The top of the connecting block 17 is in sliding contact with the cylindrical block 6.

[0024] In this embodiment, a guide rod 27 is fixedly installed on the side of the two positioning plates 26 that are away from each other. The ends of the two guide rods 27 that are away from each other are respectively fixedly connected to the left and right inner walls of the mounting groove 18. The two moving blocks 21 are respectively slidably installed on the corresponding guide rods 27. The movement of the two moving blocks 21 can be guided by utilizing the two guide rods 27.

[0025] In this embodiment, two ejection grooves 29 distributed in pairs are provided at the bottom of the above-mentioned forming groove 15, and second springs 30 are fixedly installed at the bottom of the two ejection grooves 29, and ejection blocks 31 are fixedly installed at the tops of the two second springs 30. The two ejection blocks 31 are respectively slidably installed in the corresponding ejection grooves 29. Through the joint action of the ejection grooves 29, the second springs 30 and the ejection blocks 31, the stamped support frame assembly can be ejected out of the forming groove 15 after the stamping is completed, which is convenient for taking out the parts. Limiting grooves 32 are provided on the left and right sides of the two ejection grooves 29, and limiting blocks 33 are fixedly installed on the left and right sides of the two ejection blocks 31. The four limiting blocks 33 are respectively slidably installed in the corresponding limiting grooves 32.

[0026] In this embodiment, the above-mentioned side wall opening assembly includes a double-headed motor 19, two screws 20, two moving blocks 21, two motors 22 and two drill bits 23. A concave-shaped mounting groove 18 is opened on the front side of the base 1. The double-headed motor 19 is fixedly mounted on the bottom inner wall of the mounting groove 18. The two screws 20 are respectively fixedly mounted on the left and right ends of the double-headed motor 19. It should be noted that the thread rotation directions of the two screws 20 are opposite. By using the two screws 20, the two moving blocks 21 can be controlled to move relative to each other. The ends of the two screws 20 that are away from each other are respectively rotatably connected to the left and right inner walls of the mounting groove 18. The two moving blocks 21 are respectively threadedly mounted On the two screw rods 20, two motors 22 are fixedly installed on the top of the two moving blocks 21 respectively, and the two drill bits 23 are detachably installed on the two motors 22 and arranged opposite to each other. Through holes 24 are opened on the inner walls on the left and right sides of the forming groove 15, and the two drill bits 23 are respectively located in the two through holes 24. Positioning holes 25 are opened on the left and right sides of the stamping block 13, and the two positioning holes 25 correspond to the two through holes 24 one by one. Two symmetrically distributed positioning plates 26 are fixedly installed on the bottom inner wall of the installation groove 18, and the two screw rods 20 rotate and penetrate the corresponding positioning plates 26 respectively. The two positioning plates 26 are used to support and stabilize the two screw rods 20.

[0027] In this embodiment, a control switch is installed on the base 1, and the drive motor 9, the double-headed motor 19, the two motors 22 and the control switch are electrically connected to the external power line through wires in sequence to form a circuit. The control switch can control the start and stop of the drive motor 9, the double-headed motor 19, and the two motors 22 respectively.

[0028] The working principle of the fixed steel plate tapping equipment provided by the utility model is as follows:

[0029] First, the raw material to be processed is placed above the forming groove 15, and the driving motor 9 is controlled to run. The driving motor 9 controls the rotating shaft 5 and the extrusion block 7 to rotate. The extrusion block 7 contacts the connecting block 17 during the rotation process and squeezes the connecting block 17 downward. The connecting block 17 drives the punching block 13 to move downward to punch the raw material. During the punching, multiple punching heads 14 complete the punching operation on the workpiece. Through the setting, the driving motor 9 can be controlled to rotate only half a circle each time it is started, so that the punching block 13 stays at the bottom after punching downward again. At this time, the double-headed motor 19 is controlled to rotate forward and the two motors 22 are operated. The double-headed motor 19 drives the two screws 20 to rotate, and the two screws 20 drive the two moving blocks 21 The two motors 22 drive the two drill bits 23 to approach each other, and the two drill bits 23 pass through the corresponding through holes 24 to drill holes in the left and right side walls of the workpiece. After the drilling is completed, the double-headed motor 19 is controlled to reverse and the two drill bits 23 are controlled to return to the initial position, that is, the hole opening operation on the bottom and two side walls of the punched workpiece is completed. Then the drive motor 9 is controlled to run again. Under the push of multiple first springs 11, the punching block 13 returns to the initial position, and during punching, the workpiece will push the two ejection blocks 31 to retract into the ejection groove 29 and compress the two second springs 30. After the punching block 13 moves upward, the two second springs 30 will push the two ejection blocks 31 to eject the workpiece out of the molding groove 15 to facilitate the removal of the workpiece.

[0030] Compared with the related art, the support frame punching device for an elevator speed governor provided by the utility model has the following beneficial effects:

[0031] The utility model provides a support frame punching device for an elevator speed limiter, which can punch holes at predetermined positions while punching a workpiece to avoid secondary processing, and can also punch holes on the side walls of the workpiece when the punching block 13 punches the workpiece, further improving work efficiency.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A support frame punching device for an elevator speed governor, characterized in that it comprises a base (1), two symmetrically distributed support legs (2) are fixedly mounted on the bottom of the base (1), a U-shaped frame (3) is fixedly mounted on the top of the base (1), a punching assembly for punching a workpiece is arranged on the U-shaped frame (3), and a side wall opening assembly for opening a hole in the workpiece is arranged in the base (1); The punching assembly comprises a support seat (4), a rotating shaft (5), a cylindrical block (6), an extrusion block (7), a mounting plate (8), a driving motor (9), a plurality of guide columns (10), a plurality of first springs (11), two guide plates (12), a punching block (13), a plurality of punching heads (14) and a connecting block (17); the support seat (4) is fixedly mounted on the top inner wall of the U-shaped frame (3); the rotating shaft (5) is rotatably mounted on the support seat (4); the cylindrical block (6) is fixedly sleeved on the rotating shaft (5); the extrusion block (7) is fixedly mounted on the cylindrical block (6); the mounting plate (8) is fixedly mounted on the rear side of the support seat (4); the driving motor (9) is fixedly mounted on the bottom of the mounting plate (8); the output shaft of the driving motor (9) is fixedly connected to the rotating shaft (5); and the plurality of guide columns (10) are fixedly mounted on the top of the base (1) and are evenly and symmetrically distributed. , a plurality of the first springs (11) are respectively sleeved on the corresponding guide columns (10), the two guide plates (12) are respectively slidably mounted on the corresponding plurality of guide columns (10) and are located above the corresponding first springs (11), the punching block (13) is detachably mounted on the side where the two guide plates (12) are close to each other, a plurality of the punching heads (14) are all fixedly mounted on the bottom of the punching block (13), a forming groove (15) is provided on the top of the base (1), the bottom of the punching block (13) is slidably mounted in the forming groove (15), a plurality of avoidance holes (16) are provided on the bottom of the forming groove (15), the bottom ends of the plurality of the punching heads (14) are respectively slidably mounted in the corresponding avoidance holes (16), the connecting block (17) is fixedly mounted on the top of the punching block (13), and the top of the connecting block (17) is in sliding contact with the cylindrical block (6).

2. A support frame punching device for an elevator speed governor according to claim 1, characterized in that: The side wall opening assembly comprises a double-headed motor (19), two screw rods (20), two moving blocks (21), two motors (22) and two drill bits (23); a concave-shaped mounting groove (18) is provided on the front side of the base (1); the double-headed motor (19) is fixedly mounted on the bottom inner wall of the mounting groove (18); the two screw rods (20) are respectively fixedly mounted on the left and right ends of the double-headed motor (19); the ends of the two screw rods (20) that are away from each other are respectively rotatably connected to the left and right inner walls of the mounting groove (18); the two moving blocks (21) are respectively connected to the left and right inner walls of the mounting groove (18); and the two moving blocks (22) are respectively connected to the left and right inner walls of the mounting groove (18). 1) are respectively threadedly mounted on the two screw rods (20), the two motors (22) are respectively fixedly mounted on the tops of the two moving blocks (21), the two drill bits (23) are respectively detachably mounted on the two motors (22) and are arranged opposite to each other, through holes (24) are respectively opened on the inner walls on the left and right sides of the forming groove (15), the two drill bits (23) are respectively located in the two through holes (24), and positioning holes (25) are respectively opened on the left and right sides of the punching block (13), and the two positioning holes (25) correspond to the two through holes (24) one by one.

3. A support frame punching device for an elevator speed governor according to claim 2, characterized in that: Two symmetrically distributed positioning plates (26) are fixedly mounted on the bottom inner wall of the mounting groove (18), and the two screw rods (20) rotate and penetrate the corresponding positioning plates (26) respectively.

4. A support frame punching device for an elevator speed governor according to claim 3, characterized in that: A guide rod (27) is fixedly installed on one side of the two positioning plates (26) away from each other, and one end of the two guide rods (27) away from each other is fixedly connected to the left and right inner walls of the installation groove (18) respectively, and the two moving blocks (21) are slidably installed on the corresponding guide rods (27) respectively.

5. A support frame punching device for an elevator speed governor according to claim 1, characterized in that: Limiting plates (28) are fixedly mounted on the inner walls on both the left and right sides of the U-shaped frame (3), and the two limiting plates (28) are respectively fixedly connected to the corresponding guide columns (10).

6. A support frame punching device for an elevator speed governor according to claim 1, characterized in that: The bottom of the molding groove (15) is provided with two ejection grooves (29) distributed in pairs, the bottoms of the two ejection grooves (29) are fixedly mounted with second springs (30), the tops of the two second springs (30) are fixedly mounted with ejection blocks (31), and the two ejection blocks (31) are respectively slidably mounted in the corresponding ejection grooves (29).

7. A support frame punching device for an elevator speed governor according to claim 6, characterized in that: Limiting grooves (32) are provided on both left and right sides of the two ejection grooves (29), and limiting blocks (33) are fixedly installed on both left and right sides of the two ejection blocks (31), and the four limiting blocks (33) are respectively slidably installed in the corresponding limiting grooves (32).

8. A support frame punching device for an elevator speed governor according to claim 2, characterized in that: A cover plate (34) is detachably mounted on the front side of the base (1) via bolts, and a plurality of cushion blocks (35) are slidably mounted on the bottom inner wall of the mounting groove (18).

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