Punching device for manufacturing engine connecting rod

Abstract

The utility model belongs to the field of engines, particularly relates to a punching device for manufacturing an engine connecting rod, and provides the following scheme aiming at the problems of single fixing mode, limited fixing effect and easiness in deviation in the prior art: the punching device comprises a punching table, the supporting frame is connected to the top of the punching table through bolts; the surface of the hydraulic push rod is in bolted connection with the hole in the top of the support frame; the engine connecting rod manufacturing punching head is in bolted connection with the output end of the hydraulic push rod; the fixing assembly comprises a transmission frame and an O-shaped clamping frame, the top end of the transmission frame is hinged to the bottom of the O-shaped clamping frame, the clamping plate is matched with the fixing plate, the engine connecting rod can be fixed in the transverse direction, and the engine connecting rod is vertically clamped and fixed through matching of the O-shaped clamping frame and the punching table; the stability of the engine connecting rod is enhanced through fixing in two directions, and the punching head for manufacturing the engine connecting rod can conveniently punch the engine connecting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of engines, in particular to a punching device for manufacturing engine connecting rods. Background Art

[0002] During the manufacturing process of engine connecting rods, a punching device for manufacturing engine connecting rods is required. A Chinese patent document with the publication number CN210877204U discloses a punching device for manufacturing automobile engine connecting rods.

[0003] However, the above technical solution uses a single fixing method to fix the engine connecting rod, and the fixing effect is limited. It is easy to cause the engine connecting rod to shift during punching, resulting in an error in the punching position of the engine connecting rod. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages of single fixing method, limited fixing effect and easy generation of shift in the prior art, and to propose a punching device for manufacturing engine connecting rods.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A punching device for manufacturing engine connecting rods, comprising

[0007] A punching table;

[0008] A support frame, which is bolted to the top of the punching table;

[0009] A hydraulic push rod, the surface of which is bolted to the hole at the top of the support frame;

[0010] A punching head for manufacturing engine connecting rods, which is bolted to the output end of the hydraulic push rod;

[0011] A fixing component, which includes a transmission frame and an O-shaped clamping frame, and the top end of the transmission frame is hinged to the bottom of the O-shaped clamping frame;

[0012] A clamping component, which includes a lead screw, a moving frame, a clamping plate and a fixing plate. The surface of the lead screw is threadedly connected to the bottom end of the moving frame. The top of the moving frame is bolted to the bottom of the clamping plate. The bottom of the fixing plate is bolted to the left side of the top of the punching table;

[0013] A power mechanism, which is connected to the lead screw, and the power mechanism is used to drive the clamping plate to move;

[0014] Lifting mechanism, the lifting mechanism is connected to the crankshaft. The lifting mechanism is used to drive the O-shaped clamp to lift. Through the cooperation of the clamping plate and the fixing plate, the engine connecting rod can be fixed horizontally. Through the cooperation of the O-shaped clamp and the punching table, the engine connecting rod can be clamped and fixed vertically. The stability of the engine connecting rod is enhanced through the fixation in two directions, which facilitates the punching head for manufacturing the engine connecting rod to punch the engine connecting rod.

[0015] As a preferred solution of the present invention, the power mechanism includes a power motor, a main sprocket, a chain and a secondary sprocket. The output end of the power motor is key-connected to the axis of the main sprocket. The teeth of the main sprocket are meshed with the inside of the chain. The top end inside the chain is meshed with the teeth of the secondary sprocket. The left end of the lead screw is key-connected to the axis of the secondary sprocket. When the power supply of the power motor is turned on, the power motor can drive the main sprocket to rotate, the main sprocket can drive the chain to rotate, the chain can drive the secondary sprocket to rotate, and the secondary sprocket can drive the lead screw to rotate.

[0016] As a preferred solution of the present invention, a bracket is bolted between the top end and the bottom end inside the punching table. The surface of the power motor is bolted to the hole of the bracket. Both ends of the lead screw are rotatably sleeved inside the punching table. The surface of the moving frame is slidably connected to the chute on the right side of the top of the punching table. The power motor is fixed by the bracket to ensure the stability of the power motor. The lead screw is rotatably arranged on the bracket through a bearing, the right end of the lead screw is rotatably arranged on the punching table through a bearing, and the moving frame is slidably arranged on the punching table through a slide bar to guide the moving frame.

[0017] As a preferred solution of the present invention, the lifting mechanism includes an electric push rod, a rack, a small gear and a crankshaft. The surface of the electric push rod is bolted to the inside of the punching table. The output end of the electric push rod is bolted to the top of the rack. The teeth of the rack are meshed with the teeth of the small gear. The axis of the small gear is key-connected to the right end of the crankshaft. Both ends of the crankshaft are rotatably sleeved inside the punching table. There are two transmission frames and two O-shaped clamps. The two crank parts of the crankshaft are respectively rotatably sleeved with the bottom ends of the two transmission frames. When the power supply of the electric push rod is turned on, the electric push rod can drive the rack to move upward, the rack can drive the small gear to rotate, the small gear can drive the crankshaft to rotate, the crankshaft is rotatably arranged on the transmission frame through a bearing to ensure the smooth rotation of the transmission frame, and the crankshaft can drive the transmission frame to move downward.

[0018] As a preferred solution of the present invention, a sliding sleeve is bolted to the hole on the top of the punching table. The inside of the sliding sleeve is slidably connected to the surface of the O-shaped clamp. The top end of the O-shaped clamp extends to the top of the punching table. The O-shaped clamp is slidably arranged through a slide rail and a slide bar to guide the O-shaped clamp and facilitate the up and down movement of the O-shaped clamp.

[0019] As a preferred solution of the present utility model, a limiting frame is slidably connected to the rear side of the rack, the bottom of the limiting frame is bolted to the bottom end inside the punching table, and the rack is slidably arranged with the limiting frame through a slide rail to guide the rack.

[0020] Beneficial effects:

[0021] 1. The power mechanism can drive the lead screw to rotate, the lead screw can drive the moving frame to move, the moving frame can drive the clamping plate to move, and the cooperation between the clamping plate and the fixing plate clamps and fixes the engine connecting rod;

[0022] 2. The lifting mechanism can drive the transmission frame to move downward, the transmission frame can drive the O-shaped clamping frame to move downward, and the O-shaped clamping frame can fix the engine connecting rod downward on the punching table;

[0023] In the present utility model: through the cooperation between the clamping plate and the fixing plate, the engine connecting rod can be fixed horizontally, and through the cooperation between the O-shaped clamping frame and the punching table, the engine connecting rod is vertically clamped and fixed. The stability of the engine connecting rod is enhanced through the fixation in two directions, which facilitates the punching of the engine connecting rod by the punching head for manufacturing the engine connecting rod. Description of the drawings

[0024] Figure 1 is the front view of the present utility model;

[0025] Figure 2 is the right view of the moving frame of the present utility model;

[0026] Figure 3 is the right view of the present utility model;

[0027] Figure 4 is the three-dimensional view of the main sprocket of the present utility model.

[0028] In the figure: 1. Punching table; 2. Support frame; 3. Hydraulic push rod; 4. Punching head for manufacturing engine connecting rod; 5. Power motor; 6. Main sprocket; 7. Chain; 8. Sub-sprocket; 9. Lead screw; 10. Moving frame; 11. Clamping plate; 12. Fixing plate; 13. Electric push rod; 14. Rack; 15. Small gear; 16. Crankshaft; 17. Transmission frame; 18. O-shaped clamping frame. Specific embodiments

[0029] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0030] Embodiment 1

[0031] Refer to Figures 1-4 , a punching device for manufacturing an engine connecting rod, including

[0032] Punching table 1;

[0033] Support frame 2, and the support frame 2 is bolted to the top of the punching table 1;

[0034] Hydraulic push rod 3, and the surface of the hydraulic push rod 3 is bolted to the hole at the top of the support frame 2;

[0035] Punching head 4 for manufacturing engine connecting rods, and the punching head 4 for manufacturing engine connecting rods is bolted to the output end of the hydraulic push rod 3;

[0036] Fixing assembly, the fixing assembly includes a transmission frame 17 and an O-shaped clamping frame 18, and the top end of the transmission frame 17 is hinged to the bottom of the O-shaped clamping frame 18;

[0037] Clamping assembly, the clamping assembly includes a lead screw 9, a moving frame 10, a clamping plate 11 and a fixing plate 12. The surface of the lead screw 9 is threadedly connected to the bottom end of the moving frame 10. The top of the moving frame 10 is bolted to the bottom of the clamping plate 11. The bottom of the fixing plate 12 is bolted to the left side of the top of the punching table 1;

[0038] Power mechanism, the power mechanism is connected to the lead screw 9, and the power mechanism is used to drive the clamping plate 11 to move;

[0039] Lifting mechanism, the lifting mechanism is connected to the crankshaft 16, and the lifting mechanism is used to drive the O-shaped clamping frame 18 to lift.

[0040] With the above structure: Through the cooperation of the clamping plate 11 and the fixing plate 12, the engine connecting rod can be fixed horizontally. Through the cooperation of the O-shaped clamping frame 18 and the punching table 1, the engine connecting rod is clamped and fixed vertically. The stability of the engine connecting rod is enhanced through the fixation in two directions, which facilitates the punching of the engine connecting rod by the punching head 4 for manufacturing engine connecting rods.

[0041] Please refer to Figure 2 , the power mechanism includes a power motor 5, a main sprocket 6, a chain 7 and a secondary sprocket 8. The output end of the power motor 5 is key-connected to the axis of the main sprocket 6. The teeth of the main sprocket 6 are meshed with the inside of the chain 7. The top end inside the chain 7 is meshed with the teeth of the secondary sprocket 8. The left end of the lead screw 9 is key-connected to the axis of the secondary sprocket 8. When the power supply of the power motor 5 is turned on, the power motor 5 can drive the main sprocket 6 to rotate. The main sprocket 6 can drive the chain 7 to rotate. The chain 7 can drive the secondary sprocket 8 to rotate. The secondary sprocket 8 can drive the lead screw 9 to rotate.

[0042] Please refer to Figure 1, a bracket is bolted between the top and bottom inside the punching table 1. The surface of the power motor 5 is bolted to the hole of the bracket. Both ends of the lead screw 9 are rotatably sleeved inside the punching table 1. The surface of the moving frame 10 is slidably connected to the chute on the right side of the top of the punching table 1. The power motor 5 is fixed by the bracket to ensure the stability of the power motor 5. The lead screw 9 is rotatably arranged with the bracket through a bearing. The right end of the lead screw 9 is rotatably arranged with the punching table 1 through a bearing. The moving frame 10 is slidably arranged with the punching table 1 through a slide bar to guide the moving frame 10.

[0043] Please refer to Figure 1 , the lifting mechanism includes an electric push rod 13, a rack 14, a pinion 15 and a crankshaft 16. The surface of the electric push rod 13 is bolted to the inside of the punching table 1. The output end of the electric push rod 13 is bolted to the top of the rack 14. The teeth of the rack 14 mesh with the teeth of the pinion 15. The center of the pinion 15 is key-connected to the right end of the crankshaft 16. Both ends of the crankshaft 16 are rotatably sleeved inside the punching table 1. There are two driving frames 17 and two O-shaped clamping frames 18. The two curved parts of the crankshaft 16 are respectively rotatably sleeved with the bottom ends of the two driving frames 17. Connect the power supply of the electric push rod 13. The electric push rod 13 is fixed by the punching table 1 to ensure the stability of the electric push rod 13. The electric push rod 13 can drive the rack 14 to move upward. The rack 14 can drive the pinion 15 to rotate. The pinion 15 can drive the crankshaft 16 to rotate. The crankshaft 16 is rotatably arranged with the driving frame 17 through a bearing to ensure the smooth rotation of the driving frame 17. The crankshaft 16 can drive the driving frame 17 to move downward.

[0044] Please refer to Figure 1 , a sliding sleeve is bolted to the hole on the top of the punching table 1. The inside of the sliding sleeve is slidably connected to the surface of the O-shaped clamping frame 18. The top end of the O-shaped clamping frame 18 extends to the top of the punching table 1. The O-shaped clamping frame 18 is slidably arranged with the slide bar through a slide rail to guide the O-shaped clamping frame 18 and facilitate the up and down movement of the O-shaped clamping frame 18.

[0045] Please refer to Figure 1 , a limiting frame is slidably connected to the rear side of the rack 14. The bottom of the limiting frame is bolted to the bottom end inside the punching table 1. The rack 14 is slidably arranged with the limiting frame through a slide rail to guide the rack 14.

[0046] Embodiment 2

[0047] The difference between this embodiment and Embodiment 1 is that the electric push rod 13, the rack 14 and the pinion 15 are replaced by a reduction motor, a worm key-connected to the output end of the reduction motor and a worm gear meshing with the surface of the worm. The reduction motor can drive the worm gear to rotate through the worm, and the worm gear can drive the crankshaft 16 to rotate. However, the clamping speed is slower. Therefore, the electric push rod 13, the rack 14 and the pinion 15 are preferably used in this application.

[0048] It should be noted that: For the specific models of the hydraulic push rod 3, the power motor 5, and the electric push rod 13, those skilled in the relevant art can select them by themselves. Moreover, the above-mentioned hydraulic push rod 3, power motor 5, electric push rod 13, etc. all belong to the prior art, and will not be elaborated in this solution.

[0049] The operation steps of the present utility model are as follows: Place the engine connecting rod on the top of the punching table 1, turn on the power supply of the power motor 5. The power motor 5 can drive the main sprocket 6 to rotate, the main sprocket 6 can drive the chain 7 to rotate, the chain 7 can drive the secondary sprocket 8 to rotate, the secondary sprocket 8 can drive the lead screw 9 to rotate, the lead screw 9 can drive the moving frame 10 to move, the moving frame 10 can drive the clamping plate 11 to move. The clamping plate 11 cooperates with the fixed plate 12 to clamp and fix the engine connecting rod. Turn on the power supply of the electric push rod 13. The electric push rod 13 can drive the rack 14 to move upward, the rack 14 can drive the pinion 15 to rotate, the pinion 15 can drive the crankshaft 16 to rotate. The crankshaft 16 is rotationally arranged with the transmission frame 17 through a bearing to ensure the smooth rotation of the transmission frame 17. The crankshaft 16 can drive the transmission frame 17 to move downward, the transmission frame 17 can drive the O-shaped clamping frame 18 to move downward, and the O-shaped clamping frame 18 can clamp the engine connecting rod. Turn on the hydraulic power of the hydraulic push rod 3. The hydraulic push rod 3 can drive the punching head 4 for manufacturing the engine connecting rod to punch downward on the engine connecting rod. The top of the punching table 1 is provided with holes corresponding to the punching head 4 for manufacturing the engine connecting rod.

[0050] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A punching device for manufacturing an engine connecting rod, characterized in that: include Punching station (1); A support frame (2), the support frame (2) is bolted to the top of the punching table (1); A hydraulic push rod (3), the surface of the hydraulic push rod (3) is bolted to the hole on the top of the support frame (2); An engine connecting rod manufacturing punching head (4), the engine connecting rod manufacturing punching head (4) is bolted to the output end of the hydraulic push rod (3); A fixing assembly, the fixing assembly comprising a transmission frame (17) and an O-shaped clamp frame (18), wherein the top of the transmission frame (17) is hingedly connected to the bottom of the O-shaped clamp frame (18); A clamping assembly, the clamping assembly comprising a screw rod (9), a movable frame (10), a clamping plate (11) and a fixed plate (12), the surface of the screw rod (9) being threadedly connected to the bottom end of the movable frame (10), the top of the movable frame (10) being bolted to the bottom of the clamping plate (11), and the bottom of the fixed plate (12) being bolted to the left side of the top of the punching table (1); A power mechanism connected to the screw rod (9), the power mechanism being used to drive the clamping plate (11) to move; A lifting mechanism is connected to the crankshaft (16) and is used to drive the O-shaped clamp (18) to move up and down.

2. The punching device for manufacturing an engine connecting rod according to claim 1, characterized in that: The power mechanism comprises a power motor (5), a main sprocket (6), a chain (7) and a secondary sprocket (8); the output end of the power motor (5) is key-connected to the axis of the main sprocket (6); the teeth of the main sprocket (6) are meshed with the inside of the chain (7); the top end of the chain (7) is meshed with the teeth of the secondary sprocket (8); and the left end of the screw rod (9) is key-connected to the axis of the secondary sprocket (8).

3. The punching device for manufacturing an engine connecting rod according to claim 2, characterized in that: A bracket is bolted between the top and bottom ends of the punching platform (1), the surface of the power motor (5) is bolted to the holes of the bracket, both ends of the screw rod (9) are rotatably sleeved inside the punching platform (1), and the surface of the movable frame (10) is slidably connected to the slide groove on the right side of the top of the punching platform (1).

4. The punching device for manufacturing an engine connecting rod according to claim 1, characterized in that: The lifting mechanism comprises an electric push rod (13), a rack (14), a pinion (15) and a crankshaft (16); the surface of the electric push rod (13) is connected to the inner bolt of the punching platform (1); the output end of the electric push rod (13) is connected to the top bolt of the rack (14); the teeth of the rack (14) are meshed with the teeth of the pinion (15); the axis of the pinion (15) is key-connected to the right end of the crankshaft (16); both ends of the crankshaft (16) are rotatably sleeved with the inner part of the punching platform (1); two transmission frames (17) and two O-shaped clamp frames (18) are each provided; and the two curved parts of the crankshaft (16) are rotatably sleeved with the bottom ends of the two transmission frames (17) respectively.

5. The punching device for manufacturing an engine connecting rod according to claim 1, characterized in that: The hole on the top of the punching platform (1) is bolted with a sliding sleeve, the interior of the sliding sleeve is slidably connected to the surface of the O-shaped clamp (18), and the top of the O-shaped clamp (18) extends to the top of the punching platform (1).

6. The punching device for manufacturing an engine connecting rod according to claim 4, characterized in that: The rear side of the rack (14) is slidably connected to a limit frame, and the bottom of the limit frame is connected to the bottom end bolt inside the punching platform (1).

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