CN112536418B

CN112536418B - Adjustable overturning and clamping mechanical mechanism of cold heading forming machine

Info

Publication number: CN112536418B
Application number: CN202011283708.4A
Authority: CN
Inventors: 吴建康
Original assignee: Zhejiang Yeswin Machinery Co ltd
Current assignee: Zhejiang Yeswin Machinery Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2023-01-13
Anticipated expiration: 2040-11-17
Also published as: CN112536418A

Abstract

The invention discloses an adjustable overturning and clamping mechanical mechanism of a cold heading forming machine, which comprises a bottom plate, wherein slide rails are arranged on two sides of the upper end of the bottom plate, a rack is connected onto the slide rails, sliding seats are fixedly connected onto two sides of the upper end surface of the rack, lifting blocks are connected into the sliding seats, one ends of the lifting blocks are connected with lifting shafts, a transmission shaft is connected onto the sliding seat at the upper end of the left side of the rack, a clamping jaw transmission disc is connected onto one end of the transmission shaft, which is located on the inner side of the sliding seat, a first transmission wheel is connected onto the other end of the transmission shaft through a key, a transmission groove is formed in the side surface of each lifting block, a fixed column is arranged on the side surface of each clamping jaw transmission disc, and the fixed column is connected with the transmission groove in the side surface of each lifting block. This upset clamping mechanism with adjustable cold heading machine can be convenient for adjust its distance with next station to improve cold heading machine's suitability, and can be convenient for adjust clamping jaw rotation angle, thereby can process the arbitrary face of work piece.

Description

Adjustable overturning and clamping mechanical mechanism of cold heading forming machine

Technical Field

The invention relates to the technical field of cold heading forming machines, in particular to an adjustable overturning and clamping mechanical mechanism of a cold heading forming machine.

Background

The cold upsetting forming machine is special equipment which is mainly provided with piers and is specially used for producing fasteners such as nuts and bolts in batches, according to the metal plastic deformation theory, a certain pressure is applied to a metal blank at normal temperature to enable the metal blank to generate plastic deformation in a die cavity, forming is carried out according to the specified shape and size, the cold upsetting forming machine needs to use an overturning and clamping mechanical mechanism in the working process, and ingredients in the processing process are overturned through the overturning and clamping mechanical mechanism to carry out different-surface processing.

But current cold heading make-up machine upset fixture is not convenient for adjust its distance with next station, when using cold heading make-up machine processing longer or shorter fastener, the cold heading make-up machine is not convenient for process it, application range is less, and current cold heading make-up machine upset fixture upset angle can't be adjusted, upset fixture clamping jaw can only rotate 180 usually, need add man-hour to the special machined part of different face processing of fastener, current upset fixture can't realize, consequently, need an adjustable upset fixture clamping mechanism of cold heading make-up machine, in order to solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide an adjustable overturning and clamping mechanical mechanism of a cold heading forming machine, and aims to solve the problems that the distance between the overturning and clamping mechanical mechanism of the existing cold heading forming machine and the next station is inconvenient to adjust and the overturning angle cannot be adjusted in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an adjustable turnover clamping mechanical mechanism of a cold heading forming machine comprises a bottom plate, wherein two sides of the upper end of the bottom plate are provided with slide rails, a rack is connected onto the slide rails, two sides of the upper end surface of the rack are fixedly connected with slide seats, lifting blocks are connected into the slide seats, one end of each lifting block is connected with a lifting shaft, a clamping jaw transmission disc is connected onto one end of the inner side of each slide seat, the other end of each transmission shaft is connected with a first transmission wheel through a key, the side surface of each lifting block is provided with a transmission groove, two sides of the front part of the upper end surface of the rack are provided with square grooves, a sliding block is connected into the front end surface of the rack, two ends of the upper end surface of each sliding block are fixedly connected with a rocker fixing seat, the rocker fixing seats are arranged into the square grooves on the rack, the upper ends of the rocker fixing seats are connected with lifting shafts through shafts, connecting blocks are fixedly connected onto two sides of the front end surfaces of the sliding blocks, a shaft sleeve is connected into the shaft, a hollow shaft is connected into the upper end of the hollow shaft, a lower end of the telescopic shaft is connected with a telescopic control block, and a telescopic shaft is connected with a telescopic shaft, a lower end of the upper end of the rotary shaft, and a telescopic shaft is connected with a telescopic control block, and the shaft between the rotary transmission discs is connected with a second transmission wheel through a key, the upper end face of the rotary transmission disc is fixedly connected with a fixed column, the fixed column is connected with a connecting rod, the other end of the connecting rod is connected with an adjusting shaft in the adjusting block, the lower end of the bottom plate is provided with a sliding groove, a transmission block is arranged in the sliding groove, the upper end face of the transmission block is fixedly connected with the bottom surface of the rack, the front end and the rear end of the bottom surface of the bottom plate are fixedly connected with shaft lever supporting seats, the shaft lever supporting seats are connected with lead screws through bearings, the lead screws are connected with transmission blocks, and one ends of the lead screws are fixedly connected with turntables.

Preferably, a sliding groove is formed in the sliding seat, and the lifting blocks at two ends of the lifting shaft are in sliding connection with the sliding groove in the sliding seat.

Preferably, the rocker is rotatably connected with the rocker fixing seat through a shaft, and the upper end of the rocker is movably connected with the lifting shaft.

Preferably, the gear is connected with the hollow shaft through a key, and the gear is meshed with the rack.

Preferably, the sliding block is arranged in a groove in the middle of the front end of the rack, and the sliding block is connected with the rack in a transverse sliding mode.

Preferably, the side surface of the adjusting shaft is provided with an external thread, the adjusting handle is connected with the adjusting shaft through a thread, and the bottom end of the adjusting shaft is fixedly connected with a limiting sheet.

Preferably, the telescopic shaft is movably connected with the hollow shaft in a nested mode, and the clamping jaw control block below the telescopic shaft is connected with the upper end of the clamping jaw through a shaft.

Preferably, a threaded hole is formed in the transmission block, the transmission block is connected with the screw rod through threads, and the rack above the transmission block is connected with the sliding rail on the bottom plate in a sliding mode.

Compared with the prior art, the invention has the beneficial effects that: this upset centre gripping mechanical mechanism with adjustable cold heading machine can be convenient for adjust its distance with next station to improve cold heading machine's suitability, and can be convenient for adjust clamping jaw rotation angle, thereby can process the arbitrary face of work piece:

1. the turntable drives the screw rod to rotate through rotating the turntable, the screw rod drives the transmission block to move back and forth in the sliding groove at the lower end of the bottom plate, the frame is driven by the transmission block to slide back and forth on the sliding rail of the bottom plate, and the frame can be adjusted to a proper position, so that the distance between the overturning and clamping mechanical mechanism of the cold heading forming machine and the next station can be conveniently adjusted;

2. through rotating adjustment handle, loosen regulating spindle and regulating block, the regulating spindle slides to suitable position in the straight notch of regulating block, and the adjustment handle is rotated to the antiport, with stable the fixing on the regulating block of regulating spindle, has changed the slip stroke length of slider 13 in frame 3 for the turned angle of gear changes, thereby can be convenient for adjust clamping jaw rotation angle.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a front view of a cross-sectional structure of the present invention;

FIG. 5 is an enlarged view of point B of FIG. 4 according to the present invention;

FIG. 6 is a schematic right-view structural diagram of the present invention;

FIG. 7 is a schematic top perspective view of the present invention;

FIG. 8 is an enlarged view of point C of FIG. 7 according to the present invention;

fig. 9 is a schematic bottom perspective view of the present invention.

In the figure: 1. a base plate; 2. a slide rail; 3. a frame; 4. a first drive pulley; 5. a drive shaft; 6. a sliding seat; 7. a lifting block; 8. a rocker; 9. a lifting shaft; 10. a rocker fixing seat; 11. a gear; 12. a rack; 13. a slider; 14. a hollow shaft; 15. a shaft sleeve; 16. a clamping seat; 17. a clamping jaw; 18. connecting blocks; 19. an adjusting block; 20. a straight slot opening; 21. an adjustment shaft; 22. a connecting rod; 23. an adjusting handle; 24. a turntable; 25. a square groove; 26. fixing a column; 27. rotating the transmission disc; 28. a shaft lever supporting seat; 29. a clamping jaw control block; 30. a telescopic shaft; 31. a spring; 32. rotating the transmission disc supporting seat; 33. a second transmission wheel; 34. a screw rod; 35. a jaw drive plate; 36. a transmission groove; 37. a sliding groove; 38. and a transmission block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: an adjustable turnover clamping mechanical mechanism of a cold heading forming machine comprises a bottom plate 1, a sliding rail 2, a machine frame 3, a first transmission wheel 4, a transmission shaft 5, a sliding seat 6, a lifting block 7, a rocker 8, a lifting shaft 9, a rocker fixing seat 10, a gear 11, a rack 12, a sliding block 13, a hollow shaft 14, a shaft sleeve 15, a clamping seat 16, a clamping jaw 17, a connecting block 18, an adjusting block 19, a straight notch 20, an adjusting shaft 21, a connecting rod 22, an adjusting handle 23, a rotary table 24, a square groove 25, a fixed column 26, a rotary transmission disc 27, a shaft rod supporting seat 28, a clamping jaw control block 29, a telescopic shaft 30, a spring 31, a rotary transmission disc supporting seat 32, a second transmission wheel 33, a screw rod 34, a clamping jaw transmission disc 35, a transmission groove 36, a sliding groove 37 and a transmission block 38, the sliding rail 2 is arranged on two sides of the upper end of the bottom plate 1, the transmission shaft 2 is connected with the machine frame 3, the machine frame 3 is fixedly connected with the sliding seat 6 on two sides of the upper end face of the machine frame 3, the sliding seat 6 is connected with the lifting block 7, one end face is connected with the lifting block 7 in the lifting block 7, one end of the lifting block 7 is connected with the lifting block 7, the lifting block 7 is connected with the lifting block 13 through a front end of the rocker 13, the transmission shaft 4, the rocker 13 is connected with the rocker 13, the transmission shaft 10, the rocker 13 is connected with the transmission block 13, the transmission block 13 is connected with the transmission block 13, the transmission shaft 4 and the rocker 13, the hollow shaft 14 is connected in the shaft sleeve 15 through a bearing, the upper end of the hollow shaft 14 is connected with the gear 11, the lower end of the hollow shaft 14 is fixedly connected with a clamping base 16, the clamping base 16 is internally connected with a clamping jaw 17 through a shaft, the upper end of the clamping jaw 17 is connected with a clamping jaw control block 29, the hollow shaft 14 is internally provided with a telescopic shaft 30, the upper end of the telescopic shaft 30 is connected with a rocker 8, the lower end of the telescopic shaft 30 is fixedly connected with the clamping jaw control block 29, the lower end of the telescopic shaft 30 is provided with a spring 31, a regulating block 19 is fixedly connected on the right side face of the sliding block 13, a straight notch 20 is arranged on the regulating block 19, a regulating shaft 21 is internally connected with the straight notch 20, the upper end of the regulating shaft 21 is connected with a regulating handle 23, a rotary driving disc supporting seat 32 is fixedly connected on the right side face of the rack 3, the upper end and the lower end of the rotary driving disc supporting seat 32 are connected with a rotary driving disc 27 through a shaft, a second driving wheel 33 is connected on the shaft between the rotary driving discs 27 through a key, a fixed column 26 is fixedly connected on the upper end face of the rotary driving disc 27, a connecting rod 22 is connected with the other end of the connecting rod 22, the other end of the connecting rod 22 is connected with the regulating shaft 21 in the regulating block 19, a sliding transmission groove 37 is connected with a front and back end face of the bottom plate, a fixed shaft 34 is connected with a fixed shaft 34, a fixed shaft 34 connected with a fixed shaft 34 in the bottom plate 34 in the middle of the fixed support 34, and a fixed bearing 34, and a fixed shaft 34 in the fixed support 34, and a fixed bearing 34 in the bottom face of the bottom plate 34, and a fixed support 34, and a fixed bearing 34 in the bottom plate 34.

Be provided with the spout in the sliding seat 6, and the spout sliding connection in the elevator 7 at elevator 9 both ends and the sliding seat 6, can be convenient for rotate through clamping jaw driving plate 35 and drive elevator 7 and slide from top to bottom in sliding seat 6, and can be convenient for make the elevator 9 on the elevator 7 drive rocker 8 and move on rocker fixing base 10.

Rocker 8 and rocker fixing base 10 are through axle swivelling joint, and 8 upper ends of rocker and lift axle 9 swing joint, can be convenient for make rocker 8 rotate on rocker fixing base 10 under the drive of lift axle 9, and can be convenient for make slider 13 drive when the rocker fixing base 10 removes about, rocker 8 can be at lift axle 9 upper and lower side slip.

The gear 11 is connected with the hollow shaft 14 through a key, and the gear 11 is meshed with the rack 12 to be connected, so that the gear 11 can rotate to drive the hollow shaft 14 to rotate in the shaft sleeve 15, the sliding block 13 can move left and right to drive the gear 11 to move left and right, and the gear 11 is meshed with the rack 12 to drive the gear 11 to rotate, so that the hollow shaft 14 is driven to rotate.

Slider 13 sets up in the recess in the middle part of frame 3 front end, and slider 13 and frame 3 lateral sliding are connected, can be convenient for rotate through rotatory driving disc 27 and drive connecting rod 22 motion, and connecting rod 22 promotes the motion of regulating block 19 through regulating spindle 21 to can be convenient for drive slider 13 through regulating block 19 and slide in the recess in the middle part of frame 3 front end.

The side of regulating spindle 21 is provided with the external screw thread, and adjustment handle 23 is connected with regulating spindle 21 through the screw thread, and the spacing piece of 21 bottom fixedly connected with of regulating spindle, can be convenient for can fix or loosen regulating spindle 21 on regulating block 19 through rotating adjustment handle 23, and can be convenient for through slide regulating spindle 21 in the straight notch 20 of regulating block 19, thereby adjust clamping jaw 17's turned angle.

The telescopic shaft 30 is movably connected with the hollow shaft 14 in a nested mode, the clamping jaw control block 29 below the telescopic shaft 30 is connected with the upper ends of the clamping jaws 17 through the shaft, the clamping base 16 can be driven to move upwards when the telescopic shaft 30 moves upwards, the clamping jaws 17 are closed mutually to clamp a workpiece, and the workpiece can be loosened when the telescopic shaft 30 moves downwards.

The transmission block 38 is provided with a threaded hole, the transmission block 38 is connected with the screw rod 34 through threads, the rack 3 above the transmission block 38 is connected with the slide rail 2 on the bottom plate 1 in a sliding manner, the screw rod 34 can be driven to rotate by rotating the turntable 24, the screw rod 34 drives the transmission block 38 to move back and forth, and therefore the rack 3 can be driven by the transmission block 38 to slide back and forth on the slide rail 2 of the bottom plate 1.

The working principle is as follows: firstly, the rotating angle of the clamping jaw 17 is adjusted according to the turnover requirement of workpiece processing, the adjusting shaft 21 and the adjusting block 19 are loosened by rotating the adjusting handle 23, the adjusting shaft 21 slides to a proper position in the straight notch 20 of the adjusting block 19, the adjusting handle 23 is rotated reversely, and the adjusting shaft 21 is stably fixed on the adjusting block 19;

the front and back positions of the rack 3 are adjusted according to the length of a workpiece, the turntable 24 drives the screw rod 34 to rotate by rotating the turntable 24, the screw rod 34 drives the transmission block 38 to move back and forth, so that the rack 3 is driven by the transmission block 38 to slide back and forth on the slide rail 2 of the bottom plate 1, the rack 3 is adjusted to a proper position, and the cold heading molding machine is fed for production;

by starting the overturning and clamping mechanical structure, after one surface of the cold heading forming machine is machined, the power device drives the first transmission wheel 4 to rotate, the first transmission wheel 4 drives the transmission shaft 5 to rotate, so that the clamping jaw transmission disc 35 drives the lifting block 7 to slide up and down in the sliding seat 6, the lifting block 7 drives the lifting shaft 9 to move up and down, the lifting shaft 9 drives the rocker 8 to rotate on the rocker fixing seat 10, the front end of the rocker 8 drives the telescopic shaft 30 to move up, so that the clamping jaw control block 29 moves up to drive the clamping jaw 17 to rotate and close on the clamping jaw control block 29, and a workpiece is clamped;

the second driving wheel 33 is driven to rotate by a power device, the second driving wheel 33 drives the rotary driving disc 27 to rotate through a shaft, the rotary driving disc 27 drives the connecting rod 22 to move through a fixing column 26 at the upper end of the rotary driving disc, the connecting rod 22 pushes the adjusting block 19 to move through the adjusting shaft 21, the adjusting block 19 drives the sliding block 13 to slide in a groove in the middle of the front end of the rack 3, the sliding block 13 moves left and right to drive the gear 11 to move left and right, the gear 11 and the rack 12 are meshed with each other through the gear 11 to enable the gear 11 to rotate, so that the hollow shaft 14 is driven to rotate, the hollow shaft 14 rotates to drive the clamping jaw 17 to rotate, and therefore the rotation direction of a clamped workpiece is achieved.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a upset centre gripping mechanical mechanism with adjustable cold heading make-up machine, includes bottom plate (1), its characterized in that: the two sides of the upper end of the bottom plate (1) are provided with slide rails (2), the slide rails (2) are connected with a rack (3), the two sides of the upper end face of the rack (3) are fixedly connected with slide seats (6), lifting blocks (7) are connected in the slide seats (6), one ends of the lifting blocks (7) are connected with lifting shafts (9), the slide seats (6) at the upper end of the left side of the rack (3) are connected with transmission shafts (5), the transmission shafts (5) are connected with clamping jaw transmission discs (35) at one ends of the inner sides of the slide seats (6), the other ends of the transmission shafts (5) are connected with first transmission wheels (4) through keys, the side faces of the lifting blocks (7) are provided with transmission grooves (36), the two sides of the front part of the upper end face of the rack (3) are provided with square grooves (25), the inner parts of the front end face of the rack (3) are connected with sliding blocks (13), the two ends of the upper end face of the sliding blocks (13) are fixedly connected with rocker fixing seats (10), the rocker fixing seats (10) are arranged in the square grooves (25) on the rack (3), the rocker fixing seats (10) are connected with rocker shafts (8), the upper ends of the rocker (9), and the rocker fixing blocks (18) are connected with connecting blocks (18), a hollow shaft (14) is connected in the shaft sleeve (15) through a bearing, a gear (11) is connected at the upper end of the shaft sleeve, a clamping seat (16) is fixedly connected at the lower end of the hollow shaft (14), a clamping jaw (17) is connected in the clamping seat (16) through a shaft, a clamping jaw control block (29) is connected at the upper end of the clamping jaw (17), a telescopic shaft (30) is arranged in the hollow shaft (14), the upper end of the telescopic shaft (30) is connected with a rocker (8), the lower end of the telescopic shaft (30) is fixedly connected with the clamping jaw control block (29), a spring (31) is arranged at the lower end of the telescopic shaft (30), an adjusting block (19) is fixedly connected on the right side surface of the sliding block (13), a straight notch (20) is arranged on the adjusting block (19), an adjusting shaft (21) is connected in the straight notch (20), an adjusting handle (23) is connected at the upper end of the adjusting shaft (21), a rotary transmission disc supporting seat (32) is fixedly connected on the right side surface of the rack (3), a rotary transmission disc supporting seat (32) is connected with a rotary transmission disc (27) through a shaft, a second transmission disc (33) is connected on the upper end surface of a fixed column (26), and a connecting rod (26) is connected on the fixed connection rod (26), and the other end of the connecting rod (22) is connected with an adjusting shaft (21) in the adjusting block (19), a sliding groove (37) is formed in the lower end of the bottom plate (1), a transmission block (38) is arranged in the sliding groove (37), the upper end face of the transmission block (38) is fixedly connected with the bottom face of the rack (3), shaft rod supporting seats (28) are fixedly connected to the front end and the rear end of the middle portion of the bottom face of the bottom plate (1), a lead screw (34) is connected onto the shaft rod supporting seats (28) through a bearing, the transmission block (38) is connected onto the lead screw (34), and a turntable (24) is fixedly connected to one end of the lead screw (34).

2. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, wherein: a sliding groove is arranged in the sliding seat (6), and the lifting blocks (7) at the two ends of the lifting shaft (9) are in sliding connection with the sliding groove in the sliding seat (6).

3. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, wherein: the rocker (8) is rotatably connected with the rocker fixing seat (10) through a shaft, and the upper end of the rocker (8) is movably connected with the lifting shaft (9).

4. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, characterized in that: the gear (11) is connected with the hollow shaft (14) through a key, and the gear (11) is meshed with the rack (12) and connected with the hollow shaft.

5. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, wherein: the sliding block (13) is arranged in a groove in the middle of the front end of the rack (3), and the sliding block (13) is connected with the rack (3) in a transverse sliding mode.

6. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, wherein: adjusting spindle (21) side is provided with the external screw thread, and adjustment handle (23) are connected with adjusting spindle (21) through the screw thread to adjusting spindle (21) bottom fixedly connected with is spacing piece.

7. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, wherein: the telescopic shaft (30) is movably connected with the hollow shaft (14) in a nested manner, and the clamping jaw control block (29) below the telescopic shaft (30) is connected with the upper end of the clamping jaw (17) through a shaft.

8. The adjustable overturning and clamping mechanical mechanism of the cold heading forming machine as claimed in claim 1, wherein: the transmission block (38) is provided with a threaded hole, the transmission block (38) is connected with the screw rod (34) through threads, and the rack (3) above the transmission block (38) is connected with the sliding rail (2) on the bottom plate (1) in a sliding mode.