Single-axis numerical control punch

Abstract

A single shaft numerical control puncher, the upper portion of the machine base is connected with a punching device, and the upper portion of the punching device is connected with a positioning clamp assembly, the positioning clamp assembly comprises a lifting seat with a machining position in the middle portion and a portal frame connected to the upper portion of the lifting seat, the upper portion of the portal frame is connected with a pressing cylinder, the cylinder rod of the pressing cylinder is connected with a pressing block, the inner side of the portal frame is connected with a clamping guide rail assembly, the two clamping guide rail assemblies are both connected with a clamping seat through a synchronous block, the bottom of the two clamping seats is connected with a group of clamping blocks, and the two synchronous blocks are connected with a clamping cylinder, the workpiece is pressed and clamped at the upper end through the positioning clamp, the workpiece can be firmly fixed, the punching device is fixed on the machine frame, the workpiece is moved to realize the fixed-point positioning punching of the automatic puncher during punching, the punching position is accurate, the punching speed is fast, the position of the positioning hole is positioned through the positioning clamp, the whole action is completed at one time, fast, accurate and high in efficiency, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of punching machines, and more specifically, to a single-axis CNC punching machine. Background Art

[0002] An automatic punching machine is a device that uses automated control to punch holes in workpieces. There are several types, including automatic drilling machines, automatic reaming machines, and fully automatic punching machines. These machines were developed to meet the manufacturing trend of replacing manual labor with automated equipment. They are used to solve the problem of manual drilling in traditional processes like punching, drilling, and reaming. With the development and application of automation and network technologies, the development of automatic punching machines has become even more rapid.

[0003] Currently, when punching workpieces, holes are generally punched by manually clamping the workpieces. The punching efficiency is low, the punching position is not accurate enough, the punching speed is slow, and the production efficiency is low. The existing simple punching machines require manual operation, and the punching process is time-consuming and labor-intensive, which wastes time. The punching position is difficult to control and is easily offset from the calibrated punching position, resulting in poor punching effect and affecting product quality. Summary of the Invention

[0004] The present invention improves the existing technology in view of the above shortcomings and provides a single-axis CNC punching machine. The technical solution is as follows:

[0005] A single-axis CNC punching machine comprises a machine base, a punching device is connected to the top of the machine base, and a positioning fixture assembly is connected to the top of the punching device through a lifting assembly, one side of the machine base is connected to the feeding device through a feeding adjustment seat corresponding to the positioning fixture assembly, the positioning fixture assembly comprises a lifting seat with a processing position corresponding to the punching device in the middle and a gantry connected to the top of the lifting seat, the top of the gantry is connected to a clamping cylinder through a clamping cylinder seat, the cylinder rod of the clamping cylinder passes through the gantry and is connected to a clamping block, the inner side of the gantry is located at both ends of the clamping cylinder seat and are respectively connected to clamping guide rail assemblies, the two clamping guide rail assemblies are connected to the clamping seat through a synchronization block, the bottom of the two clamping seats is located on one side of the clamping block and is connected to at least two groups of clamping blocks, and the two synchronization blocks are connected to the clamping cylinder.

[0006] The clamping cylinder is connected to one side of the gantry through the clamping cylinder seat, and the cylinder shaft of the clamping cylinder is connected to one end of the driving shaft. The other end of the driving shaft is connected to the first connecting rod and the synchronization block in sequence from the inside to the outside. The first connecting rod is located at the end opposite to the driving shaft and is connected to the second connecting rod through the synchronization rod. The middle part of the synchronization rod is passed through the cylinder rod of the clamping cylinder, and the second connecting rod is located at the end opposite to the synchronization rod and is connected to the other synchronization block.

[0007] One side of the pressing block is movably connected to the gantry through a positioning shaft, and the gantry is provided with a movable groove corresponding to the positioning shaft, so that the positioning shaft can be longitudinally translated along the movable groove.

[0008] The bottoms of the two clamping seats are connected to clamping blocks through support shafts, and the clamping blocks are bearings.

[0009] The punching device includes a driving motor connected to the top of the machine base and a punching adjustment seat arranged corresponding to the processing position. The middle part of the punching adjustment seat is connected to the driving shaft through a shaft sleeve. The motor shaft of the driving motor passes through the machine base and is connected to a driving wheel. The driving wheel is connected to one end of the driving shaft through a belt, and a punching knife is passed through the other end of the driving shaft.

[0010] Furthermore, the punching adjustment seat includes a first base, a first transverse translation block and a first longitudinal translation block. The first base, the first transverse translation block and the first longitudinal translation block are movably connected in sequence from bottom to top. The first base and the first transverse translation block are connected by a first transverse adjustment screw assembly, so that the first transverse translation block is laterally translated along the first base. The first transverse translation block and the first longitudinal translation block are connected by a first longitudinal adjustment screw assembly, so that the first longitudinal translation block is longitudinally translated along the first transverse translation block.

[0011] The feeding adjustment seat includes a second base connected to one side of the machine base, a second lifting and translation block and a second longitudinal translation block. The second base, the second lifting and translation block and the second longitudinal translation block are movably connected in sequence from left to right. The second base and the second lifting and translation block are connected by a second lifting and adjusting screw assembly, so that the second lifting and translation block can be translated up and down along the second base. The second lifting and translation block and the second longitudinal translation block are connected by a lifting and adjusting screw assembly, so that the second longitudinal translation block can be translated longitudinally along the second lifting and translation block.

[0012] The lifting assembly includes a first support base connected to the top of the machine base, a lifting screw assembly is connected to one side of the first support base, and a lifting motor is connected to the top end, the motor shaft of the lifting motor is connected to the screw of the lifting screw assembly, the slider of the lifting screw assembly is connected to the lifting base, and the lifting base is connected to the first support base through the lifting guide rail assembly.

[0013] The feeding device includes a second support seat connected to the feeding adjustment seat, a feeding platform is connected above the second support seat, a stacking support is connected above the feeding platform, a push plate is provided between the stacking support and the feeding platform, and a feeding cylinder and a positioning guide rail assembly are connected to the bottom of the feeding platform, and the cylinder rod of the feeding cylinder is connected to the push plate and the positioning guide rail assembly through a connecting plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention uses a positioning fixture to press the upper end and clamp the periphery of the workpiece, which can realize automatic centering and firm fixation of the workpiece, and the punching device is connected to the machine base through a punching adjustment seat, which can facilitate the rapid positioning of the machining center point and improve the stability of the punching drill shaft. When punching, the automatic punching machine can realize fixed-point positioning and punching by moving the workpiece. The punching position is accurate and the punching speed is fast. The position of the hole is positioned by the positioning fixture. The whole action is completed in one go, quickly, accurately and efficiently, which greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments:

[0016] Figure 1 It is a three-dimensional diagram of the appearance of the present invention;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the main structure of the present invention;

[0019] Figure 4 It is a left-side structural schematic diagram of the present invention;

[0020] Figure 5 It is a right side structural schematic diagram of the present invention;

[0021] Figure 6 It is a rear view structural schematic diagram of the present invention;

[0022] Figure 7 It is a schematic diagram of the top view of the structure of the present invention;

[0023] Figure 8 It is a bottom view structural schematic diagram of the present invention;

[0024] Including: 1. Machine base; 2. Punching device; 3. Lifting assembly; 4. Positioning fixture assembly; 5. Feeding adjustment seat; 6. Feeding device; 7. Processing position; 8. Lifting seat; 9. Gantry; 10. Clamping cylinder seat; 11. Clamping cylinder; 12. Clamping block; 13. Clamping guide rail assembly; 14. Synchronizing block; 15. Clamping seat; 16. Clamping block; 17. Clamping cylinder; 18. Clamping cylinder seat; 19. Transmission shaft; 20. First connecting rod; 21. Synchronizing rod; 22. Second connecting rod; 23. Positioning shaft; 24. Movable groove; 25. Support shaft; 26. Driving motor; 27. Punching adjustment seat; 28. Bushing; 29. ​​Driving shaft; 30. Driving wheel; 31. Belt; 32. Punch knife; 33. First base; 34. First lateral translation block; 35. First longitudinal translation block; 36. First lateral adjustment screw rod assembly; 37. First longitudinal adjustment screw rod assembly; 38. Second base; 39. Second lifting translation block; 40. Second longitudinal translation block; 41. Second lifting adjustment screw rod assembly; 42. Lifting adjustment screw rod assembly; 43. First support seat; 44. Lifting screw rod assembly; 45. Lifting motor; 46. Screw rod; 47. Slider; 48. Lifting guide rail assembly; 49. Second support seat; 50. Feeding platform; 51. Stacking support; 52. Pushing plate; 53. Feeding cylinder; 54. Positioning guide rail assembly; 55. Connecting plate. DETAILED DESCRIPTION

[0025] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. The details are as follows:

[0027] A single-axis CNC punching machine includes a machine base 1, a punching device 2 is connected to the top of the machine base 1, and a positioning fixture assembly 4 is connected to the top of the punching device 2 through a lifting assembly 3. A feeding device 6 is connected to the positioning fixture assembly 4 on one side of the machine base 1 through a feeding adjustment seat 5. The positioning fixture assembly 4 includes a lifting seat 8 with a processing position 7 corresponding to the punching device 2 in the middle and a gantry 9 connected to the top of the lifting seat 8. A pressing cylinder 11 is connected to the top of the gantry 9 through a pressing cylinder seat 10. The air pressure of the pressing cylinder 11 The cylinder rod passes through the gantry 9 and is connected to a clamping block 12. The inner side of the gantry 9 is located at both ends of the clamping cylinder seat 10, which are respectively connected to a clamping guide rail assembly 13. The two clamping guide rail assemblies 13 are connected to a clamping seat 15 through a synchronization block 14. The bottom of the two clamping seats 15 is located on one side of the clamping block 12 and is connected to at least two groups of clamping blocks 16. The two synchronization blocks 14 are connected to a clamping cylinder 17. The cylinder rod of the clamping cylinder 17 drives the synchronization block 14 through the clamping guide rail assembly 13 so that the clamping seat 15 drives the clamping block 12 to automatically clamp the workpiece for centering and positioning.

[0028] Before punching, the material to be processed is placed on the stacking support 51 of the feeding device 6. A pushing plate 52 is provided between the stacking support 51 and the feeding platform 50. The cylinder rod of the feeding cylinder 53 is connected to the pushing plate 52 and the positioning guide rail assembly 54 through the connecting plate 55. The pushing plate 52 is driven by the feeding cylinder 53 so that the material to be processed on the stacking support 51 is pushed to the processing position 7 by the pushing plate 52. The clamping cylinder 17 of the positioning fixture assembly 4 pulls the transmission shaft 19. The other end of the transmission shaft 19 is connected to the first connecting rod 20 and a synchronization block 14 from the inside to the outside. The first connecting rod 20 is located at the end opposite to the transmission shaft 19 and is connected to the second connecting rod 22 through the synchronization rod 21. The synchronization blocks 14 are all connected to the clamping seat 15. When the cylinder rod of the clamping cylinder 17 is retracted, the clamping seat 15 moves along the clamping guide rail assembly 13 toward the processing position 7, thereby clamping the periphery of the material to be processed and pressing the air. The cylinder rod of cylinder 11 pushes downward, so that the pressing block 12 presses the top of the material to be processed. When punching, the lifting seat 8 lifts the positioning fixture assembly 4 through the lifting assembly 3, and the positioning fixture assembly 4 drives the material to be processed to move toward the punching device 2. The punching device 2 outputs power through the driving motor 26, and uses the belt 31 to make the driving shaft 29 drive the punching knife 32 to rotate, so that the material to be processed moving toward the punching device 2 is automatically punched. After the processing is completed, the lifting assembly 3 is reset, and the clamping cylinder 17 of the positioning fixture assembly 4 drives the transmission shaft 19 to make the clamping seat 15 move along the clamping guide rail assembly 13 toward the processing position 7 in the direction opposite to the processing position, so that the periphery of the processing material is loosened, and the pressing cylinder 11 is retracted. At this time, the pushing plate 52 is driven by the feeding cylinder 53, so that the material to be processed on the stacking support 51 is pushed to the processing position 7 by the pushing plate 52, and the processed material is pushed by the material to be processed to realize unloading.

[0029] The clamping cylinder 17 is connected to one side of the gantry 9 through the clamping cylinder seat 18. The cylinder shaft of the clamping cylinder 17 is connected to one end of the transmission shaft 19. The other end of the transmission shaft 19 is connected to the first connecting rod 20 and a synchronization block 14 from the inside to the outside. The first connecting rod 20 is located at the opposite end of the transmission shaft 19 and is connected to the second connecting rod 22 through the synchronization rod 21. The middle part of the synchronization rod 21 is passed through the cylinder rod of the clamping cylinder 11. The second connecting rod 22 is located at the opposite end of the synchronization rod 21 and is connected to another synchronization block 14.

[0030] One side of the pressing block 12 is movably connected to the gantry 9 via a positioning shaft 23 . The gantry 9 is provided with a movable slot 24 corresponding to the positioning shaft 23 , so that the positioning shaft 23 can be longitudinally translated along the movable slot 24 .

[0031] The bottoms of the two clamping seats 15 are connected to the clamping blocks 16 via the support shaft 25 , and the clamping blocks 16 are bearings.

[0032] The punching device 2 includes a driving motor 26 connected to the top of the machine base 1 and a punching adjustment seat 27 arranged corresponding to the processing position 7. The middle part of the punching adjustment seat 27 is connected to the driving shaft 29 through a shaft sleeve 28. The punching adjustment seat 27 includes a first base 33, a first transverse translation block 34 and a first longitudinal translation block 35. The first base 33, the first transverse translation block 34 and the first longitudinal translation block 35 are movably connected in sequence from bottom to top, and the first base 33 is fixedly connected to the machine base 1. A dovetail groove and tenon structure is used between the first transverse translation block 34 and the first base 33 to realize that the first transverse translation block 34 can be translated laterally. A dovetail groove and tenon structure is used between the first longitudinal translation block 35 and the first transverse translation block 34 to realize that the first longitudinal translation block 35 can be translated longitudinally. The driving shaft 29 is fixedly connected to the large plane of the first longitudinal translation block 35 through the shaft sleeve 28, which can facilitate the driving shaft 29 to process the center point The first base 33 and the first lateral translation block 34 are connected by a first lateral adjustment screw assembly 36, so that the first lateral translation block 34 can be translated laterally along the first base 33, and the first lateral translation block 34 and the first longitudinal translation block 35 are connected by a first longitudinal adjustment screw assembly 37, so that the first longitudinal translation block 35 can be translated longitudinally along the first lateral translation block 34. The middle part of the first longitudinal translation block 35 is connected with a drive shaft 29 through a sleeve 28. Combined with the first lateral translation block 34, the lateral position and longitudinal position of the drive shaft 29 can be conveniently adjusted, thereby facilitating the position adjustment of the machining center point when the workpiece is positioned. The motor shaft of the drive motor 26 passes through the machine base 1 and is connected to a driving wheel 30. The driving wheel 30 is connected to one end of the drive shaft 29 through a belt 31, and the other end of the drive shaft 29 is provided with a punching knife 32.

[0033] The feeding adjustment seat 5 includes a second base 38, a second lifting and translation block 39 and a second longitudinal translation block 40 connected to one side of the machine base 1. The second base 38, the second lifting and translation block 39 and the second longitudinal translation block 40 are movably connected in sequence from left to right. The second base 38 and the second lifting and translation block 39 are connected by a second lifting and adjusting screw assembly 41, so that the second lifting and translation block 39 can be translated up and down along the second base 38. The second lifting and translation block 39 and the second longitudinal translation block 40 are connected by a lifting and adjusting screw assembly 42, so that the second longitudinal translation block 40 can be translated longitudinally along the second lifting and translation block 39.

[0034] The lifting assembly 3 includes a first support base 43 connected to the top of the machine base 1, one side of the first support base 43 is connected to a lifting screw assembly 44, and the top is connected to a lifting motor 45. The motor shaft of the lifting motor 45 is connected to the screw 46 of the lifting screw assembly 44, and the slider 47 of the lifting screw assembly 44 is connected to the lifting base 8. The lifting base 8 is connected to the first support base 43 through the lifting guide rail assembly 48.

[0035] The feeding device 6 includes a second support seat 49 connected to the feeding adjustment seat 5, a feeding platform 50 is connected above the second support seat 49, a stacking support 51 is connected above the feeding platform 50, a push plate 52 is provided between the stacking support 51 and the feeding platform 50, a feeding cylinder 53 and a positioning guide rail assembly 54 are connected to the bottom of the feeding platform 50, and the cylinder rod of the feeding cylinder 53 is connected to the push plate 52 and the positioning guide rail assembly 54 through a connecting plate 55.

[0036] The present invention uses a positioning fixture to press the upper end and clamp the periphery of the workpiece, which can realize automatic centering and firm fixation of the workpiece, and the punching device 2 is connected to the machine base 1 through the punching adjustment seat 27, which can facilitate the rapid positioning of the machining center point and improve the stability of the punching drill shaft. When punching, the automatic punching machine can realize fixed-point positioning and punching by moving the workpiece. The punching position is accurate and the punching speed is fast. The position of the hole is located by the positioning fixture. The whole action is completed in one go, quickly, accurately and efficiently, which greatly improves production efficiency.

[0037] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A single-axis CNC punching machine, comprising a base (1), characterized in that: A punching device (2) is connected to the top of the machine base (1), and a positioning fixture assembly (4) is connected to the top of the punching device (2) through a lifting assembly (3). A feeding device (6) is connected to one side of the machine base (1) corresponding to the positioning fixture assembly (4) through a feeding adjustment seat (5). The positioning fixture assembly (4) includes a lifting seat (8) with a processing position (7) corresponding to the punching device (2) in the middle and a gantry ( 9), the upper part of the gantry (9) is connected to a clamping cylinder (11) through a clamping cylinder seat (10), the cylinder rod of the clamping cylinder (11) passes through the gantry (9) and is connected to a clamping block (12), the inner side of the gantry (9) is located at both ends of the clamping cylinder seat (10) and is respectively connected to a clamping guide rail assembly (13), the two clamping guide rail assemblies (13) are connected to a clamping seat (15) through a synchronization block (14), and the bottom of the two clamping seats (15) are connected to the clamping seat (15). At least two groups of clamping blocks (16) are connected to one side of the pressing block (12), and the two synchronization blocks (14) are connected to a clamping cylinder (17). The clamping cylinder (17) is connected to one side of the gantry (9) through a clamping cylinder seat (18). The cylinder shaft of the clamping cylinder (17) is connected to one end of the transmission shaft (19), and the other end of the transmission shaft (19) is connected to the first connecting rod (20) and the synchronization block (14) in sequence from the inside to the outside. The first The connecting rod (20) is located at one end opposite to the transmission shaft (19) and is connected to a second connecting rod (22) through a synchronization rod (21). The middle part of the synchronization rod (21) is passed through the cylinder rod of the clamping cylinder (11). The second connecting rod (22) is located at one end opposite to the synchronization rod (21) and is connected to the other synchronization block (14). The bottoms of the two clamping seats (15) are connected to the clamping block (16) through a support shaft (25). The clamping block (16) is a bearing.

2. A single-axis CNC punching machine according to claim 1, characterized in that: One side of the pressing block (12) is movably connected to the gantry (9) via a positioning shaft (23), and the gantry (9) is provided with a movable groove (24) corresponding to the positioning shaft (23), so that the positioning shaft (23) can be longitudinally translated along the movable groove (24).

3. A single-axis CNC punching machine according to claim 1, characterized in that: The punching device (2) includes a driving motor (26) connected to the top of the machine base (1) and a punching adjustment seat (27) provided corresponding to the processing position (7). The middle part of the punching adjustment seat (27) is connected to a driving shaft (29) through a shaft sleeve (28). The motor shaft of the driving motor (26) passes through the machine base (1) and is connected to a driving wheel (30). The driving wheel (30) is connected to one end of the driving shaft (29) through a belt (31). The other end of the driving shaft (29) is penetrated by a punching knife (32).

4. A single-axis CNC punching machine according to claim 3, characterized in that: The punching adjustment seat (27) includes a first base (33), a first transverse translation block (34) and a first longitudinal translation block (35). The first base (33), the first transverse translation block (34) and the first longitudinal translation block (35) are movably connected in sequence from bottom to top. The first base (33) and the first transverse translation block (34) are connected by a first transverse adjustment screw assembly (36), so that the first transverse translation block (34) is laterally translated along the first base (33). The first transverse translation block (34) and the first longitudinal translation block (35) are connected by a first longitudinal adjustment screw assembly (37), so that the first longitudinal translation block (35) is longitudinally translated along the first transverse translation block (34).

5. The single-axis CNC punching machine according to claim 1, characterized in that: The feeding adjustment seat (5) includes a second base (38) connected to one side of the machine base (1), a second lifting and translation block (39) and a second longitudinal translation block (40), wherein the second base (38), the second lifting and translation block (39) and the second longitudinal translation block (40) are movably connected in sequence from left to right, and the second base (38) and the second lifting and translation block (39) are connected by a second lifting and adjusting screw rod assembly (41), so that the second lifting and translation block (39) is translated up and down along the second base (38), and the second lifting and translation block (39) and the second longitudinal translation block (40) are connected by a first lifting and adjusting screw rod assembly (42), so that the second longitudinal translation block (40) is translated longitudinally along the second lifting and translation block (39).

6. The single-axis CNC punching machine according to claim 1, characterized in that: The lifting assembly (3) includes a first support seat (43) connected to the top of the machine base (1), a lifting screw assembly (44) is connected to one side of the first support seat (43), and a lifting motor (45) is connected to the top end, the motor shaft of the lifting motor (45) is connected to the screw (46) of the lifting screw assembly (44), the slider (47) of the lifting screw assembly (44) is connected to the lifting seat (8), and the lifting seat (8) is connected to the first support seat (43) through the lifting guide rail assembly (48).

7. The single-axis CNC punching machine according to claim 1, characterized in that: The feeding device (6) includes a second support seat (49) connected to the feeding adjustment seat (5), a feeding platform (50) is connected above the second support seat (49), a stacking support (51) is connected above the feeding platform (50), a push plate (52) is provided between the stacking support (51) and the feeding platform (50), a feeding cylinder (53) and a positioning guide rail assembly (54) are connected to the bottom of the feeding platform (50), and a cylinder rod of the feeding cylinder (53) is connected to the push plate (52) and the positioning guide rail assembly (54) through a connecting plate (55).

Images