CN112536418A

CN112536418A - Adjustable overturning and clamping mechanical mechanism of cold heading forming machine

Info

Publication number: CN112536418A
Application number: CN202011283708.4A
Authority: CN
Inventors: 吴建康
Original assignee: Individual
Current assignee: Zhejiang Yeswin Machinery Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-03-23
Anticipated expiration: 2040-11-17
Also published as: CN112536418B

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. 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 overturning and clamping mechanical mechanism of a cold heading forming machine 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 face 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 inner side of the sliding seat of the transmission shaft, 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 face of each lifting block, a fixed column is arranged on the side face of each clamping jaw transmission disc and is connected with the transmission groove in the side face of each lifting block, square grooves are formed in two sides of the front portion of the upper end face of the rack, the rocker fixing seat is connected with a rocker through a shaft, the upper end of the rocker is connected with a lifting shaft, two sides of the front end surface of the sliding block are fixedly connected with connecting blocks, the connecting blocks are fixedly connected with shaft sleeves, the shaft sleeves are connected with hollow shafts through bearings, the upper ends of the hollow shafts are connected with gears, the lower ends of the hollow shafts are fixedly connected with clamping seats, clamping jaws are connected inside the clamping seats through shafts, the upper ends of the clamping jaws are connected with clamping jaw control blocks, telescopic shafts are arranged inside the hollow shafts, the upper ends of the telescopic shafts are connected with the rocker, the lower ends of the telescopic shafts are fixedly connected with the clamping jaw control blocks, springs are arranged at the lower ends of the telescopic shafts, adjusting blocks are fixedly connected on the right side surface of the sliding block and provided with straight notches, adjusting shafts are connected inside the straight notches, adjusting handles, and the upper end and the lower end of the rotary transmission disc supporting seat are connected with rotary transmission discs through shafts, a second transmission wheel is connected to the shaft between the rotary transmission discs through keys, a fixed column is fixedly connected to the upper end face of the rotary transmission disc, a connecting rod is connected to the fixed column, the other end of the connecting rod is connected with an adjusting shaft in the adjusting block, a sliding groove is formed in the lower end of the bottom plate, 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, shaft rod supporting seats are fixedly connected to the front end and the rear end of the middle portion of the bottom surface of the bottom plate, lead screws are connected to the shaft rod supporting seats through bearings.

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 rack 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, the transmission block is provided with a threaded hole, 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 manner.

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 schematic cross-sectional front view 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 notch; 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 overturning and clamping mechanical mechanism of a cold heading forming machine comprises a bottom plate 1, slide rails 2, a rack 3, a first drive wheel 4, a drive 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 slide 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 drive disc 27, a shaft lever supporting seat 28, a clamping jaw control block 29, a telescopic shaft 30, a spring 31, a rotary drive disc supporting seat 32, a second drive wheel 33, a lead screw 34, a clamping jaw drive disc 35, a drive groove 36, a slide groove 37 and a drive block 38, wherein the slide rails 2 are arranged on two sides of the upper end of the bottom plate 1, the slide rails, a lifting block 7 is connected in the sliding seat 6, one end of the lifting block 7 is connected with a lifting shaft 9, a transmission shaft 5 is connected on the sliding seat 6 at the upper end of the left side of the frame 3, the transmission shaft 5 is connected with a clamping jaw transmission disc 35 at one end of the inner side of the sliding seat 6, the other end of the transmission shaft 5 is connected with a first transmission wheel 4 through a key, a transmission groove 36 is arranged on the side surface of the lifting block 7, a fixed column 26 is arranged on the side surface of the clamping jaw transmission disc 35, the fixed column 26 is connected with the transmission groove 36 on the side surface of the lifting block 7, square grooves 25 are arranged on two sides of the front part of the upper end surface of the frame 3, a sliding block 13 is connected in the front end surface of the frame 3, a rocker fixing seat 10 is fixedly connected with two ends of the upper end surface of the sliding block 13, the, the two sides of the front end face of the sliding block 13 are fixedly connected with connecting blocks 18, the connecting blocks 18 are fixedly connected with shaft sleeves 15, hollow shafts 14 are connected in the shaft sleeves 15 through bearings, the upper ends of the hollow shafts are connected with gears 11, the lower ends of the hollow shafts 14 are fixedly connected with clamping seats 16, clamping jaws 17 are connected in the clamping seats 16 through shafts, clamping jaw control blocks 29 are connected at the upper ends of the clamping jaws 17, telescopic shafts 30 are arranged in the hollow shafts 14, the upper ends of the telescopic shafts 30 are connected with rocking rods 8, the lower ends of the telescopic shafts 30 are fixedly connected with the clamping jaw control blocks 29, springs 31 are arranged at the lower ends of the telescopic shafts 30, adjusting blocks 19 are fixedly connected on the right side face of the sliding block 13, straight notches 20 are arranged on the adjusting blocks 19, adjusting shafts 21 are connected in the straight notches 20, adjusting handles 23 are connected at the upper ends of the adjusting shafts 21, rotary driving discs 32 are fixedly connected, and epaxial key connection has second drive wheel 33 between the rotatory driving dish 27, fixedly connected with fixed column 26 on the rotatory driving dish 27 up end, and be connected with connecting rod 22 on the fixed column 26, and the connecting rod 22 other end is connected with regulating spindle 21 in the regulating block 19, bottom plate 1 lower extreme is provided with sliding tray 37, and be provided with driving block 38 in the sliding tray 37, and driving block 38 up end and 3 bottom surface fixed connection of frame, both ends fixedly connected with axostylus axostyle supporting seat 28 around bottom plate 1 bottom surface middle part, and be connected with lead screw 34 through the bearing on the axostylus axostyle supporting seat 28, be connected with driving block 38 on the lead screw 34, and lead screw 34 one end fixedly connected.

Be provided with the spout in the sliding seat 6, and the spout sliding connection in the lifter 7 at lift axle 9 both ends and the sliding seat 6 can be convenient for rotate through clamping jaw driving disc 35 and drive lifter 7 and slide from top to bottom in sliding seat 6, and can be convenient for make lift axle 9 on the lifter 7 drive the motion of rocker 8 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 frame 3 front end middle part, and frame 3 lateral sliding connection, 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 frame 3 front end middle part.

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 sliding rail 2 on the bottom plate 1 in a sliding manner, the rotation of the screw rod 34 can be conveniently driven by rotating the turntable 24, the screw rod 34 drives the transmission block 38 to move back and forth, and the rack 3 can be conveniently driven by the transmission block 38 to slide back and forth on the sliding 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 the 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 the 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 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, so that the clamped workpiece rotates.

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 lifting mechanism is characterized in that sliding rails (2) are arranged on two sides of the upper end of the bottom plate (1), a rack (3) is connected onto the sliding rails (2), sliding seats (6) are fixedly connected onto two sides of the upper end face of the rack (3), lifting blocks (7) are connected into the sliding seats (6), a lifting shaft (9) is connected onto one end of each lifting block (7), a transmission shaft (5) is connected onto the sliding seat (6) at the upper end of the left side of the rack (3), a clamping jaw transmission disc (35) is connected onto one end of the inner side of each sliding seat (6) of the transmission shaft (5), a first transmission wheel (4) is connected onto the other end of each transmission shaft (5) through a key, a transmission groove (36) is formed in the side face of each lifting block (7), a fixing column (26) is arranged on the side face of each clamping jaw transmission disc (35), the fixing column (26) is connected with the transmission groove (, a sliding block (13) is connected inside the front end face of the rack (3), two ends of the upper end face of the sliding block (13) are fixedly connected with a rocker fixing seat (10), the rocker fixing seat (10) is arranged in a square groove (25) on the rack (3), a rocker (8) is connected to the rocker fixing seat (10) through a shaft, the upper end of the rocker (8) is connected with a lifting shaft (9), two sides of the front end face of the sliding block (13) are fixedly connected with connecting blocks (18), a shaft sleeve (15) is fixedly connected to the connecting blocks (18), a hollow shaft (14) is connected to the inside of the shaft sleeve (15) through a bearing, a gear (11) is connected to the upper end of the shaft sleeve, a clamping seat (16) is fixedly connected to the lower end of the hollow shaft (14), a clamping jaw (17) is connected to the inside of the clamping seat (16) through a shaft, a clamping jaw, the upper end of a telescopic shaft (30) is connected with a rocker (8), the lower end of the telescopic shaft (30) is fixedly connected with a 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 to the right side surface of the sliding block (13), a straight notch (20) is formed in the adjusting block (19), an adjusting shaft (21) is connected inside the straight notch (20), an adjusting handle (23) is connected to the upper end of the adjusting shaft (21), a rotary driving disc supporting seat (32) is fixedly connected to the right side surface 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 to the shaft between the rotary driving discs (27) through a key, and a fixed column (26) is fixedly connected to the upper end, and connecting rods (22) are connected to the fixing columns (26), the other ends of the connecting rods (22) are connected with adjusting shafts (21) in the adjusting blocks (19), sliding grooves (37) are formed in the lower end of the base plate (1), transmission blocks (38) are arranged in the sliding grooves (37), the upper end faces of the transmission blocks (38) are 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 base plate (1), screw rods (34) are connected to the shaft rod supporting seats (28) through bearings, the transmission blocks (38) are connected to the screw rods (34), and turntables (24) are fixedly connected to one ends of the screw.

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, wherein: 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 rack (3) 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 ends of the clamping jaws (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.