CN213256896U

CN213256896U - Mechanical arm clamp for forging precision forging

Info

Publication number: CN213256896U
Application number: CN202022099663.7U
Authority: CN
Inventors: 张琦
Original assignee: Nanjing Zhongning Forging Co ltd
Current assignee: Nanjing Zhongning Forging Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-25
Anticipated expiration: 2030-09-22

Abstract

The application relates to a mechanical arm clamp for forging a precision forging, which relates to the technical field of forging clamping and is mainly technically characterized by comprising a clamping plate and two connecting rods, wherein clamping rods are fixedly connected to the side surfaces of the connecting rods, a clamping cavity for clamping a forging is formed between the two clamping rods, and an adjusting assembly is arranged on the clamping plate; when a forge piece is clamped, the clamping plate is installed on a hoisting device, the two connecting rods are driven to separate from each other by the adjusting assembly, so that the clamping rods are driven to separate from each other, the clamping cavity is enlarged, the forge piece is placed into the clamping cavity, the connecting rods are driven to move by the adjusting assembly, the two clamping rods are driven to approach each other by the connecting rods, so that the clamping cavity is reduced, after the side surfaces of the clamping rods abut against the side surfaces of the forge piece, the forge piece is clamped, and the clamping plate is lifted by the device, so that the forge piece is pulled to move; the size of the clamping cavity is adjusted according to the size of the forging, so that the forging with different sizes can be clamped conveniently, and the adaptability to the forging is improved.

Description

Mechanical arm clamp for forging precision forging

Technical Field

The application relates to the technical field of forging centre gripping, especially relate to a arm anchor clamps for precision forging forgings.

Background

The forge piece is a forge piece or a blank obtained by forging and deforming a metal blank, when the metal blank is fed or discharged, the mechanical arm clamp is firstly fixed on the hoisting equipment, and then the metal blank is clamped by the mechanical arm clamp, so that the metal blank is driven to move.

The utility model discloses a chinese utility model patent that bulletin number is CN204624989U discloses a column is anchor clamps for forging, including clamping part, linking portion and buckle, the clamping part includes two mutual articulated clamping bars, and the terminal fixedly connected with of clamping bar is semioval-shaped grip block, and two grip blocks peg graft each other, and linking portion includes two chains, two chains and two clamping bar one-to-one, chain one end and clamping bar rigid coupling, the other end and buckle rigid coupling.

Aiming at the related technologies, the inventor thinks that when clamping the forge piece, the retaining ring is buckled on the starting equipment, the chain is pulled to pull the chain to move, the clamping rod is pulled to rotate by the chain, and the clamping rod pushes the clamping plate to be closed, so that the forge piece is clamped; however, the space between the two clamping rods cannot be adjusted, and only a forging with a specific size can be clamped, so that the adaptability to the forging is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that anchor clamps are than relatively poor to forging adaptability, this application provides a arm anchor clamps for precision forging forgings.

The application provides a mechanical arm anchor clamps for precision forging adopts following technical scheme:

the utility model provides a be used for forged arm anchor clamps of precision forging, slides the connecting rod of connection on the grip block including grip block and two, the rigid coupling has the supporting rod, two on the side of connecting rod form the centre gripping cavity of centre gripping forging between the supporting rod, be equipped with the adjusting part that is used for adjusting the connecting plate to remove on the grip block.

By adopting the technical scheme, when the forge piece is clamped, the clamping plate is installed on the hoisting equipment, the adjusting assembly is utilized to drive the two connecting rods to be separated from each other, so that the clamping rods are driven to be separated from each other, the clamping cavity is enlarged, the forge piece is placed into the clamping cavity, the adjusting assembly is utilized to drive the connecting rods to move, the connecting rods drive the two clamping rods to be close to each other, so that the clamping cavity is reduced, after the side surfaces of the clamping rods are abutted against the side surfaces of the forge piece, the forge piece is clamped, the equipment is utilized to lift the clamping plate, and the forge piece is pulled to move; the size of the clamping cavity is adjusted according to the size of the forging, so that the forging with different sizes can be clamped conveniently, and the adaptability to the forging is improved.

Optionally, the adjusting part includes the push rod that sets firmly on the connecting rod, sets up the grip block and keeps away from the adjusting motor of connecting rod one side and the adjusting gear who is connected with adjusting motor's output shaft, the push rod is located two both sides that the connecting rod deviates from mutually, rotation on the grip block is connected with two centre gripping gears, two the push rod all is located two between the centre gripping gear, two centre gripping gear and two the push rod one-to-one, the one end that the connecting rod was kept away from to the push rod is passed centre gripping gear and with centre gripping gear threaded connection, the centre gripping gear with adjusting gear meshes mutually.

Through adopting above-mentioned technical scheme, when the drive connecting rod removed, start adjusting motor, adjusting motor drove adjusting gear and rotates, and adjusting gear drives centre gripping gear revolve, and centre gripping gear revolve drives the push rod removal simultaneously, and the push rod promotes the connecting rod and removes, thereby the connecting rod drives the supporting rod removal to this size of adjusting the centre gripping cavity smoothly.

Optionally, a driving gear is arranged on an output shaft of the adjusting motor, one side of the clamping plate, which is close to the adjusting motor, is rotatably connected with an adjusting shaft, a driven gear meshed with the driving gear is fixedly arranged on the adjusting shaft, and the adjusting gear is fixedly connected to an end wall of the adjusting shaft.

Through adopting above-mentioned technical scheme, when adjusting the motor and starting, drive the driving gear and rotate, the driving gear drives driven gear and rotates, and driven gear drives the regulating spindle and rotates, thereby the regulating spindle drives two regulating gear rotations simultaneously to this realizes two connecting rod synchronous motion.

Optionally, the one end that the connecting rod was kept away from to the supporting rod slides and is connected with the regulation pole, it is connected with the rotation cover to rotate on the end wall of supporting rod, it passes to adjust the pole rotate the cover and with rotate cover threaded connection, be equipped with the stopper on the side of regulation pole, be equipped with the spacing groove that slides with the stopper on the inside wall of supporting rod, be equipped with on the regulation pole and be used for restricting to rotate cover pivoted mounting.

Through adopting above-mentioned technical scheme, before centre gripping forging, remove the mounting and at the injecing of rotating the cover, rotatory rotation cover to drive and adjust the pole and remove, adjust the pole and drive the stopper and slide in the spacing inslot, the rotation of restrictive condition pole, thereby according to the size of forging, adjust the scope that the pole stretches out, with this further improvement to the adaptability of forging, adjust the pole and stretch out the back, recycle the rotation that the mounting restriction rotated the cover, thereby the fixed regulation pole, with this reduce the regulation pole and take place the possibility that removes at centre gripping forging in-process.

Optionally, the mounting is including sliding the fixed plate of connection on the supporting rod, be equipped with fixed inserted bar on the side of fixed plate, be equipped with on the side of rotating the cover and supply fixed inserted bar male fixed orifices.

By adopting the technical scheme, when the rotating sleeve is rotated, the fixing plate is pulled, so that the fixing inserted bar is driven to be separated from the fixing hole, and the fixing of the rotating sleeve is released; when the rotating sleeve stops rotating, the fixing plate is pushed, so that the fixed inserting rod is inserted into the fixing hole, the rotation of the rotating sleeve is limited, and the possibility that the rotating sleeve rotates in the process of clamping a forged piece is reduced.

Optionally, one side of the limiting groove far away from the connecting rod is sealed.

Through adopting above-mentioned technical scheme, the spacing groove seals the setting, restricts the displacement range of stopper, reduces the possibility that regulation pole and supporting rod break away from.

Optionally, one end of the adjusting rod, which is far away from the clamping rod, is provided with a bearing rod, and the bearing rod is arranged along the horizontal direction.

Through adopting above-mentioned technical scheme, the contact area of pole and forging is adjusted in the increase of bearing bar, is favorable to improving the stability to the forging centre gripping, reduces the possibility that the forging takes place to drop at the clamping process.

Optionally, the opposite side surfaces of the two bearing rods are provided with inserting inclined surfaces, and the inserting inclined surfaces face one side of the forge piece inserted into the clamping cavity.

By adopting the technical scheme, the splicing inclined plane reduces the possibility of contact between the edge of the bearing rod and the forge piece, and the forge piece can slide to the bearing plate smoothly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. before clamping a forge piece, a clamping plate is installed on a hoisting device, an adjusting assembly is utilized to drive a connecting rod to move, the connecting rod drives clamping rods to move, so that the size of a clamping cavity is adjusted according to the size of the forge piece, the forge piece is placed into the clamping cavity, the adjusting assembly is favorable for driving the connecting rod to move, the connecting rod drives two clamping rods to approach each other, the clamping cavity is reduced, the clamping rods abut against the forge piece, the starting device is utilized to lift the clamping plate, so that the connecting rod is pulled to move, the connecting rod pulls the clamping rods to move, and the clamping rods pull the forge piece to move; when the forged pieces with different sizes are clamped and moved, the size of the clamping cavity is adjusted according to the size of the forged pieces, so that the adaptability of the forged pieces is improved;

2. when the connecting rod is driven to move, the adjusting motor is started to adjust the electric driving rotation, the driving gear drives the adjusting shaft to rotate through the driven gear, so that the two adjusting gears rotate simultaneously, the connecting rod is driven to move simultaneously, and the synchronous movement of the connecting rod is realized;

3. the limiting groove is sealed and arranged, the moving range of the limiting block is limited, the moving space of the adjusting rod is further limited, and the possibility that the adjusting rod is separated from the clamping rod is reduced.

Drawings

FIG. 1 is a schematic overall structure diagram of a mechanical arm clamp for precision forging in the embodiment.

Fig. 2 is a schematic cross-sectional view showing the clamping, adjusting rod, bearing rod and fixing member in the embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a clamping plate; 11. a connecting rod; 12. a clamping rod; 121. adjusting a rod; 122. a limiting block; 123. a limiting groove; 124. rotating the sleeve; 125. a load-bearing bar; 126. inserting an inclined plane; 127. a chute; 128. a fixing hole; 13. a clamping cavity; 14. a hook; 15. a fixing member; 151. a fixing plate; 152. fixing the inserted rod; 153. a slider; 2. an adjustment assembly; 21. adjusting the motor; 22. a driving gear; 23. an adjustment shaft; 24. a driven gear; 25. a connecting plate; 26. clamping the gear; 27. a push rod; 28. and adjusting the gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a mechanical arm clamp for forging precision forgings.

Referring to fig. 1, a mechanical arm clamp for precision forging comprises a clamping plate 1 and a connecting rod 11, supporting rod 12 and be used for promoting connecting rod 11 to remove adjusting part 2, connecting rod 11 slides and connects on the side of grip block 1, connecting rod 11 can be connected with grip block 1 through the mode of dovetail and dovetail, also can be connected with grip block 1 through the direction in T-shaped piece and T type groove, adjusting part 2 sets up the one side of keeping away from connecting rod 11 at grip block 1, connecting rod 11 sets up two, connecting rod 11 sets up along the horizontal direction, two connecting rod 11 set up relatively, supporting rod 12 welds in the one side that grip block 1 was kept away from at connecting rod 11, supporting rod 12 sets up along vertical direction, supporting rod 12 sets up two, two supporting rod 12 and two connecting rod 11 one-to-ones, two supporting rod 12 set up relatively, form between two supporting rod 12 and supply forging male centre gripping cavity 13.

Referring to fig. 1, four lifting hooks 14 are welded on the top wall of the clamping plate 1, and the four lifting hooks 14 are uniformly distributed along the circumferential direction of the clamping plate 1; when a forge piece is clamped, the clamping plate 1 is firstly installed on a hoisting device through the lifting hook 14, then the adjusting assembly 2 drives the connecting rod 11 to slide, the connecting rod 11 drives the clamping rods 12 to move, the two clamping rods 12 are separated from each other, so that the clamping cavity 13 is increased, then the forge piece is placed into the clamping cavity 13, then the adjusting assembly 2 is utilized to drive the two connecting rods 11 to mutually approach each other, so that the two clamping rods 12 are pushed to mutually approach each other, so that the clamping cavity 13 is reduced, after the clamping rods 12 abut against the forge piece, the clamping plate 1 is hoisted through hoisting equipment, the clamping rods 12 clamp the forge piece, and then the forge piece can be conveyed; the forged pieces with different sizes are clamped by the clamping device, and the size of the clamping cavity 13 is adjusted, so that the adaptability of the forged pieces is improved.

Referring to fig. 2 and 3, the inside cavity of supporting rod 12 sets up, the inside sideslip of supporting rod 12 is connected with adjusts pole 121, adjust pole 121 and the coaxial setting of supporting rod 12, be equipped with stopper 122 on the side of adjusting pole 121, be equipped with the spacing groove 123 that supplies stopper 122 to slide on the inside wall of supporting rod 12, spacing groove 123 sets up along vertical direction, one side that connecting rod 11 was kept away from to spacing groove 123 seals the setting, the one end that connecting rod 11 was kept away from to adjust pole 121 stretches out supporting rod 12, supporting rod 12 is kept away from and is rotated on the end wall of connecting rod 11 one end and is connected with and rotate set 124, it is connected with the screw thread of rotating set 124 to rotate set 124 and supporting rod 12 coaxial setting, it rotates set 124 pivoted mounting 15 to be equipped with the restriction on.

Referring to fig. 2 and 3, a bearing rod 125 is welded at one end of the adjusting rod 121 extending out of the clamping rod 12, the bearing rod 125 is arranged along the horizontal direction, one end of the bearing rod 125 far away from the adjusting rod 121 extends into the clamping cavity 13, one end of the bearing rod 125 extending into the clamping cavity 13 is provided with an insertion inclined plane 126, the insertion inclined plane 126 is arranged towards one side of the forging, and the insertion inclined plane 126 is arranged close to one side of the clamping plate 1; before clamping the forged piece, the limit of the fixing piece 15 on the rotating sleeve 124 is removed, the rotating sleeve 124 is rotated according to the size of the forged piece, the rotating sleeve 124 drives the adjusting rod 121 to slide and gradually extend out of the clamping rod 12, the adjusting rod 121 drives the limiting block 122 to slide in the limiting groove 123 while moving, the limiting block 122 is matched with the limiting groove 123 to limit the autorotation of the adjusting rod 121, the limiting groove 123 is sealed to limit the moving range of the limiting block 122, the moving range of the adjusting rod 121 is further limited, and the possibility that the adjusting rod 121 is separated from the clamping rod 12 is reduced; after the position of the adjusting rod 121 is adjusted, the fixing part 15 is used for fixing the rotating sleeve 124 and limiting the rotation of the rotating sleeve 124, so that the movement of the adjusting rod 121 is limited, forged pieces with different sizes can be further conveniently clamped, and the adaptability to the forged pieces is improved; when the forge piece is clamped again, the clamping rod 12 drives the adjusting rod 121 to move, the adjusting rod 121 pushes the bearing rod 125 to be inserted into the forge piece, the inserting inclined plane 126 reduces the possibility of friction between the edge of the bearing rod 125 and the forge piece, the forge piece can be conveniently and smoothly inserted into the upper portion of the bearing rod 125, the contact area between the adjusting rod 121 and the forge piece is increased, and the stability of the forge piece in the clamping process is improved.

Referring to fig. 3, the fixing member 15 includes a fixing plate 151 and fixing insertion rods 152, the fixing plate 151 is sleeved on the outer side wall of the clamping rod 12, the fixing plate 151 is disposed near one side of the rotating sleeve 124, a sliding block 153 is integrally manufactured on the fixing plate 151, a sliding groove 127 for the sliding block 153 to slide is disposed on the outer side wall of the clamping rod 12, the sliding groove 127 is disposed along the vertical direction, the fixing insertion rods 152 are disposed on the side surface of the fixing plate 151 near the rotating sleeve 124, the fixing insertion rods 152 and the fixing sleeve are integrally manufactured, the fixing insertion rods 152 are disposed along the vertical direction, the fixing insertion rods 152 are disposed in a plurality of numbers, the fixed insertion rods 152 are uniformly distributed along the circumferential direction of the clamping rod 12, a plurality of fixing holes 128 for the fixing insertion rods 152 are disposed on the top wall of the rotating sleeve 124, and the; when the rotating sleeve 124 is required to rotate, the fixing plate 151 is pulled to move, the fixing plate 151 drives the sliding block 153 to slide in the sliding groove 127, so that the fixing inserted rod 152 is pulled to be separated from the fixing hole 128, and the fixing of the rotating sleeve 124 is released; when the rotating sleeve 124 needs to be fixed, the fixing plate 151 is released, the fixing insertion rod 152 is inserted into the corresponding fixing hole 128, and the sliding block 153 cooperates with the sliding groove 127 to limit the rotation of the fixing plate 151, so as to smoothly limit the rotation of the rotating sleeve 124.

Referring to fig. 1, adjusting part 2 includes adjusting motor 21, adjusting motor 21 passes through the bolt fastening on the roof of grip block 1, the rigid coupling has driving gear 22 on adjusting motor 21's the output shaft, it is connected with regulating spindle 23 to rotate on the roof of grip block 1, regulating spindle 23 sets up along the horizontal direction, the axis direction of regulating spindle 23 is unanimous with the glide direction of connecting rod 11, be equipped with driven gear 24 on the regulating spindle 23, driven gear 24 and regulating spindle 23 interference fit, driven gear 24 meshes with driving gear 22 mutually.

Referring to fig. 1, two opposite side surfaces of a clamping plate 1 are respectively provided with a connecting plate 25, the connecting plates 25 are rotatably connected with two clamping gears 26, the two clamping gears 26 are arranged, the two clamping gears 26 are in one-to-one correspondence with the two connecting plates 25, a push rod 27 is welded on one side of the connecting rod 11 close to the connecting plate 25, the push rod 27 is arranged along the horizontal direction, one end of the push rod 27 far away from the connecting rod 11 penetrates through the connecting plate 25 and penetrates through the clamping gears 26, the push rod 27 is connected with the connecting plates 25 in a sliding manner, the push rod 27 is in threaded connection with the clamping gears 26, the thread turning directions of the two push rods 27 are opposite, end walls at two ends of the adjusting shaft 23 are respectively provided with an adjusting gear 28, the; when clamping the forging, start adjusting motor 21, adjusting motor 21 drives driving gear 22 and rotates, and driving gear 22 drives driven gear 24 and rotates, and driven gear 24 drives regulating shaft 23 and rotates, and regulating shaft 23 drives regulating gear 28 and rotates, and regulating gear 28 drives centre gripping gear 26 and rotates, and centre gripping gear 26 drives push rod 27 when pivoted and removes, thereby push rod 27 drives connecting rod 11 smoothly and slides, and then adjusts the size of centre gripping cavity 13 smoothly.

The implementation principle of the mechanical arm clamp for forging the precision forging piece is as follows: before clamping a forge piece, a clamping plate 1 is installed on a hoisting device, a connecting rod 11 is adjusted to move through an adjusting assembly 2, the connecting rod 11 drives clamping rods 12 to move, the two clamping rods 12 are separated from each other, so that a clamping cavity 13 is enlarged, the forge piece is smoothly placed into the clamping cavity 13, the connecting rod 11 is pushed to move reversely through the adjusting assembly 2, so that the two clamping rods 12 are pushed to approach each other, the clamping cavity 13 is reduced, the clamping plate 1 is lifted by the hoisting device after the clamping rods 12 abut against the forge piece, and the forge piece is driven to move by the clamping plate 1 through the clamping rods 12, so that the forge piece is clamped; therefore, when the forged pieces with different sizes are clamped, the size of the clamping cavity 13 is adjusted, and the adaptability to the forged pieces is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a arm anchor clamps for precision forging forgings which characterized in that: slide connecting rod (11) of connecting on grip block (1) including grip block (1) and two, the rigid coupling has supporting rod (12), two on the side of connecting rod (11) form centre gripping cavity (13) of centre gripping forging between supporting rod (12), be equipped with on grip block (1) and be used for adjusting part (2) that connecting plate (25) removed.

2. The mechanical arm clamp for precision forging of claim 1, wherein: adjusting part (2) including set firmly push rod (27) on connecting rod (11), set up grip block (1) keep away from adjusting motor (21) of connecting rod (11) one side and adjusting gear (28) that are connected with the output shaft of adjusting motor (21), push rod (27) are located two both sides that connecting rod (11) deviate from mutually, rotation on grip block (1) is connected with two centre gripping gears (26), two push rod (27) all are located two between centre gripping gear (26), two centre gripping gear (26) and two push rod (27) one-to-one, the one end that connecting rod (11) were kept away from in push rod (27) is passed centre gripping gear (26) and with centre gripping gear (26) threaded connection, centre gripping gear (26) with adjusting gear (28) mesh mutually.

3. The mechanical arm clamp for precision forging of claim 2, wherein: be equipped with driving gear (22) on the output shaft of accommodate motor (21), the rotation of one side that grip block (1) is close to accommodate motor (21) is connected with regulating spindle (23), driven gear (24) with driving gear (22) looks meshing has set firmly on regulating spindle (23), adjusting gear (28) rigid coupling is on the end wall of regulating spindle (23).

4. The mechanical arm clamp for precision forging of claim 1, wherein: the one end that connecting rod (11) were kept away from in supporting rod (12) slides and is connected with regulation pole (121), it is connected with rotation cover (124) to rotate on the end wall of supporting rod (12), it passes to adjust pole (121) rotate cover (124) and with rotate cover (124) threaded connection, be equipped with stopper (122) on the side of adjusting pole (121), be equipped with spacing groove (123) that slide with stopper (122) on the inside wall of supporting rod (12), be equipped with on adjusting pole (121) and be used for the restriction to rotate cover (124) pivoted mounting (15).

5. The mechanical arm clamp for precision forging of claim 4, wherein: the fixing part (15) comprises a fixing plate (151) connected to the clamping rod (12) in a sliding mode, a fixing insertion rod (152) is arranged on the side face of the fixing plate (151), and a fixing hole (128) for inserting the fixing insertion rod (152) is formed in the side face of the rotating sleeve (124).

6. The mechanical arm clamp for precision forging of claim 4, wherein: the limiting groove (123) is arranged in a closed mode on one side, far away from the connecting rod (11).

7. The mechanical arm clamp for precision forging of claim 6, wherein: one end, far away from the clamping rod (12), of the adjusting rod (121) is provided with a bearing rod (125), and the bearing rod (125) is arranged along the horizontal direction.

8. The mechanical arm clamp for precision forging of claim 7, wherein: the opposite side surfaces of the two bearing rods (125) are provided with inserting inclined planes (126), and the inserting inclined planes (126) are arranged towards one side of the forge piece inserted into the clamping cavity (13).