CN115090818A

CN115090818A - Clamping tool for forging air hammer

Info

Publication number: CN115090818A
Application number: CN202210933707.2A
Authority: CN
Inventors: 李中原; 张大喜; 李乃顺; 李中有
Original assignee: Shandong Weiyuan Machinery Technology Co ltd
Current assignee: Rizhao Dexin Machinery Manufacturing Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-09-23
Anticipated expiration: 2042-08-04
Also published as: CN115090818B

Abstract

The invention relates to the technical field of clamping tools, in particular to a clamping tool for air hammer forging, which comprises an air hammer body, wherein the rear side of the air hammer body is fixedly connected with a slide rail, the right side of the slide rail is provided with a displacement assembly, the front surface of the displacement assembly is provided with a protection assembly, the front surface of the protection assembly is provided with an adjusting assembly, the front surface of the adjusting assembly is provided with a fastening assembly, the protection assembly comprises a C-shaped mounting frame, vibration generated in the forging process of a workpiece can be eliminated through the arrangement of a protection piece, the vibration generated in the forging process of the workpiece can be counteracted as much as possible, so that the vibration can less act on the clamping tool, the damage of the vibration to the clamping tool is reduced, and the connection among all parts of the clamping tool can be loosened due to the excessive vibration acting on the clamping tool, some components may break.

Description

Clamping tool for forging air hammer

Technical Field

The invention relates to the technical field of clamping tools, in particular to a clamping tool for forging an air hammer.

Background

The air hammer is one kind of free forging machine, and the compression cylinder compresses air, sends into work cylinder through the distributing valve, promotes the piston and makes the up-and-down motion with the tup and plays the hammering effect, and the flexible operation widely is used for the production of middle-size and small-size forging.

When the air hammer is used for forging, the clamping tool is required to be used for clamping a forged workpiece, the clamping tool can be used for moving the workpiece to forge different positions of the workpiece when the workpiece is forged, the workpiece can be turned over, and multiple faces of the workpiece are forged.

However, the existing clamping tool has the following disadvantages:

1. when a clamping tool clamps a workpiece to forge, the workpiece per se can vibrate greatly when being hammered, the clamping tool per se can be damaged when the vibration acts on the clamping tool, and meanwhile, after the workpiece vibrates, the hammering position of the workpiece can be changed, the workpiece needs to be corrected every time, and the workpiece machining deviation can be caused when the position is not corrected in time;

2. when the centre gripping work piece forges, because the work piece is in heating state, the intensity of work piece self can descend this moment, when the centre gripping work piece carries out the hammering, when the work piece is in tighter clamping state for a long time, deformation can take place for the clamping face, need revise, if the centre gripping is crossed the pine and the work piece can break away from the centre gripping frock when carrying out the hammering to the work piece, the work piece can take place the great displacement of range after the hammering work piece this moment, can drop from processing platform, cause the injury to the staff.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a clamping tool for air hammer forging, which is achieved by the following specific technical means:

a clamping tool for air hammer forging comprises an air hammer body, wherein a sliding rail is fixedly connected to the rear side of the air hammer body, a displacement assembly is arranged on the right side of the sliding rail, a protection assembly is arranged on the front surface of the displacement assembly, an adjusting assembly is arranged on the front surface of the protection assembly, and a fastening assembly is arranged on the front surface of the adjusting assembly;

the protection subassembly includes C shape installing frame, the front surface fixedly connected with C shape installing frame of displacement subassembly, C shape installing frame comprises two horizontal segments and a vertical section, and two horizontal segments are located the upper and lower both ends of vertical section respectively, two logical grooves have all been seted up from a left side to the right side on two horizontal segments of C shape installing frame, two that set up from top to bottom all be provided with protection piece, two on the protection piece common sliding connection has a connecting block, three spacing hole has evenly been seted up to the upper surface of connecting block, C shape installing frame is located the horizontal segment of vertical section lower extreme and is located the even fixedly connected with three spacing post in front side that leads to the groove.

Further, the displacement subassembly includes the supporting seat, the right side sliding connection of slide rail has the supporting seat, the upper surface of supporting seat rotates and is connected with electric turntable, electric turntable's last fixed surface is connected with the backup pad, the spout of two vertical directions, two are seted up to the front surface of backup pad the common sliding connection in inside of spout has electronic slider.

Furthermore, the adjusting part includes the mounting panel, the front surface fixed connection of connecting block has the mounting panel, the front surface of mounting panel rotates and is connected with the electric control dish, the front surface fixed connection of electric control dish has two-way pneumatic cylinder, the equal fixedly connected with gripper jaw of both sides output of two-way pneumatic cylinder.

Furthermore, the fastening assembly comprises a fixed shell, the front surface of the clamping jaw is fixedly connected with the fixed shell, the front side of the inside of the fixed shell is uniformly and fixedly connected with three elastic telescopic rods from top to bottom, the rear ends of the elastic telescopic rods are fixedly connected with a connecting frame, pushing pieces are jointly arranged at the rear ends of the three connecting frames, one surface, close to the center of the fixed shell, of the connecting frame is connected with four elastic telescopic ball rods in a sliding mode from front to back, and the position, close to the center of the bidirectional hydraulic cylinder, of the fixed shell and corresponding to the elastic telescopic ball rods one by one, is connected with the extrusion rod in a sliding mode through a spring.

Furthermore, the pushing part comprises a sliding rail, the sliding rail is arranged on the upper surface inside the fixed shell, a triangular pushing block is connected inside the sliding rail in a sliding mode, the lower surface of the fixed shell is connected with a pushing rod in a sliding mode through a spring, the top end of the pushing rod penetrates through the lower surface of the fixed shell, and the top end of the fixed shell is in sliding fit with the rear side face of the triangular pushing block.

Furthermore, the protection piece includes spacing dish, two equal sliding connection in the position department that the back of the body of level of C shape installing frame just is located the logical groove has spacing dish, two fixedly connected with spliced pole between the opposite face of the spacing dish that sets up from top to bottom, just be located the inside fixedly connected with installation piece that leads to the groove on the periphery of spliced pole, four vertical faces of installation piece all through spacing spring and the interior peripheral face elastic connection who leads to the groove.

Furthermore, the size of the limiting column is matched with the size of the limiting hole, the bottom end of the limiting hole is provided with a reaming hole, and the positions of the three limiting columns correspond to the positions of the three limiting holes one to one.

Compared with the prior art, the invention has the following beneficial effects:

1. this air hammer forges and uses centre gripping frock, the in-process that can carry out the hammering through setting up of stripper bar improves the centre gripping dynamics to the work piece at the work piece to guarantee that the work piece can not take place the skew at the in-process position of hammering, make the forging precision of work piece higher, simultaneously, reduce the centre gripping dynamics to the work piece when the work piece does not carry out the hammering, avoid carrying out the centre gripping to the work piece for a long time and cause the clamping face of work piece to appear great deformation.

2. This air hammer forges and uses centre gripping frock, can eliminate the vibration that the work piece produced at forged in-process through the setting of protection piece, offset the vibration that the work piece produced at forged in-process as far as possible, the vibration will be less like this and the effect on centre gripping frock, reduce the damage that the vibration caused to the centre gripping frock, too much vibration effect can lead to the connection between each part of centre gripping frock to appear becoming flexible on the centre gripping frock, the cracked condition can appear in some components.

Drawings

Fig. 1 is an appearance schematic diagram of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a schematic view of the displacement assembly and adjustment assembly of the present invention.

Fig. 4 is a partial cross-sectional view of the protective assembly of the present invention.

Fig. 5 is a front view of fig. 4 of the present invention.

Figure 6 is a partial cross-sectional view of a protector according to the invention.

Fig. 7 is a schematic top cross-sectional view of the fastening assembly of the present invention.

Fig. 8 is a front cross-sectional view of the fastening assembly of the present invention.

In the figure: 1. an air hammer body; 2. a fastening assembly; 3. a displacement assembly; 4. a slide rail; 5. a protection component; 6. an adjustment assembly; 21. a stationary case; 22. a connecting frame; 23. an elastic telescopic cue; 24. a pusher member; 25. an elastic telescopic rod; 26. an extrusion stem; 31. a supporting seat; 32. an electric turntable; 33. a support plate; 34. an electric slider; 51. a protective member; 52. a C-shaped mounting frame; 53. a limiting hole; 54. connecting blocks; 55. a limiting column; 56. a through groove; 61. mounting a plate; 62. an electric adjusting disc; 63. a gripper jaw; 64. a bidirectional hydraulic cylinder; 241. pushing the push rod; 242. a triangular push block; 243. a slide rail; 511. a limiting disc; 512. a limiting spring; 513. connecting columns.

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 and 2, a clamping tool for air hammer forging includes an air hammer body 1, a slide rail 4 fixedly connected to a rear side of the air hammer body 1, a displacement assembly 3 disposed on a right side of the slide rail 4, a protection assembly 5 disposed on a front surface of the displacement assembly 3, an adjustment assembly 6 disposed on a front surface of the protection assembly 5, and a fastening assembly 2 disposed on a front surface of the adjustment assembly 6.

When the pneumatic forging device is used specifically, a workpiece needing forging is clamped through the adjusting component 6, then the workpiece is transferred to a position close to the air hammer body 1 by adjusting the position of the displacement component 3 on the sliding rail 4, then the workpiece moves on the displacement component 3 through the protection component 5, the upper position and the lower position of the adjusting component 6 are adjusted, the workpiece is placed at a proper position on the air hammer body 1 to forge the workpiece, and meanwhile different surfaces of the workpiece can be forged through rotation of the adjusting component 6.

Referring to fig. 3, the displacement assembly 3 includes a supporting seat 31, the supporting seat 31 is slidably connected to the right side of the sliding rail 4, an electric turntable 32 is rotatably connected to the upper surface of the supporting seat 31, a supporting plate 33 is fixedly connected to the upper surface of the electric turntable 32, two vertical sliding grooves are formed in the front surface of the supporting plate 33, and an electric slider 34 is slidably connected to the inside of the two sliding grooves.

When the forging device is used specifically, the supporting seat 31 slides back and forth in the sliding rail 4 to enable a workpiece to be far away from and close to the air hammer body 1, the electric slide block 34 slides up and down on the supporting plate 33 to adjust the upper and lower positions of the workpiece, the workpiece can be placed at a proper position on the air hammer body 1 to be forged, and meanwhile, the electric turntable 32 is arranged to enable a plurality of positions on one surface of the workpiece to be forged when the workpiece is forged.

Referring to fig. 4, 5 and 6, the protection assembly 5 includes a C-shaped mounting frame 52, the front surface of the electric slider 34 is fixedly connected with the C-shaped mounting frame 52, the C-shaped mounting frame 52 is composed of two horizontal sections and a vertical section, the two horizontal sections are respectively located at the upper and lower ends of the vertical section, two through grooves 56 are respectively formed on the two horizontal sections of the C-shaped mounting frame 52 from left to right, a protection member 51 is arranged between the two through grooves 56 arranged up and down, the two protection members 51 are jointly and slidably connected with a connection block 54, three limiting holes 53 are uniformly formed on the upper surface of the connection block 54, three limiting posts 55 are uniformly and fixedly connected on the horizontal section at the lower end of the vertical section and located at the front side of the through groove 56, the size of the limiting posts 55 is matched with the size of the limiting holes 53, the bottom ends of the limiting holes 53 are provided with counterbores, the positions of the three limiting posts 55 are in one-to-one correspondence with the positions of the three limiting holes 53, protection piece 51 includes spacing dish 511, two C shape installing frame 52's the horizontal segment back of the body and be located the equal sliding connection in position department that leads to groove 56 have spacing dish 511, fixedly connected with spliced pole 513 between two spacing dish 511's the opposite face that set up from top to bottom, and the inside fixedly connected with installation piece that just is located logical groove 56 on the periphery of spliced pole 513, four vertical faces of installation piece all through spacing spring 512 and the interior circumferential surface elastic connection who leads to groove 56.

The vibration that can produce the work piece at forged in-process through protection piece 51's setting is eliminated, offsets the vibration that the work piece produced at forged in-process as far as possible, and the vibration will be less the effect on the centre gripping frock like this, reduces the damage that the vibration caused the centre gripping frock, and too much vibration effect can lead to the connection appearance between each part of centre gripping frock to become flexible on the centre gripping frock, and the cracked condition may appear in some components.

When the forging machine is used specifically, when a workpiece is placed on the air hammer body 1, the C-shaped mounting frame 52 slides upwards on the supporting plate 33, the connecting block 54 slides downwards on the connecting column 513 to clamp the limiting hole 53 on the connecting block on the limiting column 55, the workpiece is placed on the air hammer body 1, the C-shaped mounting frame 52 moves downwards on the supporting plate 33 for a certain distance, the connecting block 54 slides upwards on the connecting column 513 to separate the limiting hole 53 from the limiting column 55, the connecting block 54 is located at the middle position of the connecting column 513, when the workpiece is forged, vibration generated by the workpiece is transmitted to the connecting block 54 through the fastening component 2 and the adjusting component 6 when the air hammer body 1 hammers the workpiece each time, the connecting block 54 drives the connecting column to shake in the through groove 56 after being vibrated, the connecting column 513 only shakes in the horizontal direction under the action of the limiting disc 511, meanwhile, under the action of the elastic force of the limiting spring 512 arranged between the connecting column 513 and the through groove 56, the shaking amplitude of the connecting column 513 is reduced, the vibration is counteracted through the elastic force of the limiting spring 512, and meanwhile, the vibration is completely acted on the connecting column 513.

Referring to fig. 3, the adjusting assembly 6 includes a mounting plate 61, the front surface of the connecting block 54 is fixedly connected with the mounting plate 61, the front surface of the mounting plate 61 is rotatably connected with an electric adjusting plate 62, the front surface of the electric adjusting plate 62 is fixedly connected with a bidirectional hydraulic cylinder 64, and output ends of two sides of the bidirectional hydraulic cylinder 64 are fixedly connected with clamping claws 63.

When the bidirectional hydraulic hammer forging machine is used specifically, the bidirectional hydraulic cylinder 64 drives the fixed shell 21 on the clamping claw 63 to clamp a workpiece to forge the workpiece, and when the workpiece is forged, the position of the workpiece on the air hammer body 1 can be adjusted through the electric adjusting disc 62 to forge multiple surfaces of the workpiece.

Referring to fig. 7 and 8, the fastening assembly 2 includes a fixed shell 21, a fixed shell 21 is fixedly connected to the front surface of the clamping jaw 63, three elastic telescopic rods 25 are uniformly and fixedly connected to the front side of the inside of the fixed shell 21 from top to bottom, a connecting frame 22 is fixedly connected to the rear end of the elastic telescopic rods 25, pushing members 24 are commonly disposed at the rear ends of the three connecting frames 22, four elastic telescopic rods 23 are slidably connected to one side of the connecting frame 22 close to the center of the fixed shell 21 from front to rear, pressing rods 26 are slidably connected to one side of the fixed shell 21 close to the center of the bidirectional hydraulic cylinder 64 and corresponding to the elastic telescopic rods 23 through springs, the pushing members 24 include sliding rails 243, sliding rails 243 are disposed on the upper surface of the inside of the fixed shell 21, triangular pushing blocks 242 are slidably connected to the inside of the sliding rails 243, pushing rods 241 are slidably connected to the lower surface of the fixed shell 21 through springs, the top end of the ejector rod 241 penetrates through the lower surface of the fixing shell 21, and the top end of the fixing shell 21 is in sliding fit with the rear side surface of the triangular push block 242.

The clamping force to the workpiece can be improved in the hammering process of the workpiece through the arrangement of the extrusion rod 26, so that the workpiece can be prevented from offsetting in the hammering process, the forging precision of the workpiece is higher, meanwhile, the clamping force to the workpiece is reduced when the workpiece is not hammered, and the workpiece is prevented from being clamped for a long time to cause large deformation of a clamping surface of the workpiece.

When the clamping claw 63 is used specifically, the clamping claw 63 drives the fixed shell 21 to clamp a workpiece, when the workpiece is placed on the air hammer body 1 to be hammered, under the action of the gravity of the workpiece, after the workpiece is placed on the air hammer body 1, the push rod 241 is pressed to slide towards the inside of the fixed shell 21, the triangular push block 242 is pushed to slide forwards in the sliding track 243, at the moment, the connecting frame 22 moves synchronously with the triangular push block 242, the elastic telescopic rod 25 is compressed, when the connecting frame 22 moves forwards, the elastic telescopic rod 23 pushes the extrusion rod 26 to slide on the fixed shell 21, the spring on the extrusion rod 26 is compressed, at the moment, the extrusion rod 26 extends towards the outside of the fixed shell 21, when the clamping claw 63 drives the fixed shell 21 to clamp the workpiece, the extrusion rod 26 is pushed to slide for a certain distance towards the inside of the fixed shell 21, and then the extrusion rod 26 extends towards the outside of the fixed shell 21, the workpiece is clamped and reinforced, and when the workpiece is irregular, the extrusion rods 26 at different positions can be attached to the clamping surface of the workpiece under the action of the elastic telescopic rod 23.

The working principle is as follows: when the device is used, a workpiece to be forged is clamped through the adjusting component 6, the workpiece is transferred to a position close to the air hammer body 1 by adjusting the position of the displacement component 3 on the sliding rail 4, the workpiece is moved on the displacement component 3 through the protection component 5, the upper position and the lower position of the adjusting component 6 are adjusted, the workpiece is placed at a proper position on the air hammer body 1 to forge the workpiece, and meanwhile, different surfaces of the workpiece can be forged through the rotation of the adjusting component 6.

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 hammer forges and uses centre gripping frock, includes hammer organism (1), its characterized in that: a sliding rail (4) is fixedly connected to the rear side of the air hammer body (1), a displacement assembly (3) is arranged on the right side of the sliding rail (4), a protection assembly (5) is arranged on the front surface of the displacement assembly (3), an adjusting assembly (6) is arranged on the front surface of the protection assembly (5), and a fastening assembly (2) is arranged on the front surface of the adjusting assembly (6);

protection component (5) include C shape installing frame (52), the front surface fixedly connected with C shape installing frame (52) of displacement subassembly (3), C shape installing frame (52) comprises two horizontal segments and a vertical section, and two horizontal segments are located the upper and lower both ends of vertical section respectively, two logical groove (56) have all been seted up from a left side to the right side on two horizontal segments of C shape installing frame (52), two that set up from top to bottom all be provided with protection piece (51) between logical groove (56), two common sliding connection has connecting block (54) on protection piece (51), three spacing hole (53) have evenly been seted up to the upper surface of connecting block (54), C shape installing frame (52) are located on the horizontal segment of vertical section lower extreme and are located the even fixedly connected with three spacing post (55) in front side that lead to groove (56).

2. The clamping tool for air hammer forging of claim 1, wherein: displacement subassembly (3) are including supporting seat (31), the right side sliding connection of slide rail (4) has supporting seat (31), the upper surface of supporting seat (31) rotates and is connected with electric turntable (32), the last fixed surface of electric turntable (32) is connected with backup pad (33), the spout of two vertical directions, two is seted up to the front surface of backup pad (33 the common sliding connection in inside of spout has electronic slider (34).

3. The clamping tool for air hammer forging of claim 1, wherein: adjusting part (6) are including mounting panel (61), the front surface fixed connection of connecting block (54) has mounting panel (61), the front surface of mounting panel (61) rotates and is connected with electric adjusting plate (62), the front surface fixed connection of electric adjusting plate (62) has two-way pneumatic cylinder (64), the equal fixedly connected with gripper jaw (63) of both sides output of two-way pneumatic cylinder (64).

4. The clamping tool for air hammer forging of claim 1, wherein: the fastening assembly (2) comprises a fixed shell (21), the front surface of each clamping jaw (63) is fixedly connected with the fixed shell (21), the front side of the inside of the fixed shell (21) is uniformly and fixedly connected with three elastic telescopic rods (25) from top to bottom, the rear ends of the elastic telescopic rods (25) are fixedly connected with a connecting frame (22), pushing pieces (24) are jointly arranged at the rear ends of the three connecting frames (22), one surface, close to the center of the fixed shell (21), of each connecting frame (22) is connected with four elastic telescopic ball rods (23) in a sliding mode from front to back, one surface, close to the center of the two-way hydraulic cylinder (64), of each fixed shell (21) is connected with extrusion rods (26) in a sliding mode through springs at positions corresponding to the elastic telescopic ball rods (23) one by one.

5. The clamping tool for air hammer forging as claimed in claim 1, wherein the clamping tool comprises: the pushing piece (24) comprises a sliding rail (243), the sliding rail (243) is arranged on the upper surface of the inside of the fixed shell (21), the triangular pushing block (242) is connected to the inside of the sliding rail (243) in a sliding mode, the lower surface of the fixed shell (21) is connected with an ejector rod (241) in a sliding mode through a spring, the top end of the ejector rod (241) penetrates through the lower surface of the fixed shell (21), and the top end of the fixed shell (21) is in sliding fit with the rear side face of the triangular pushing block (242).

6. The clamping tool for air hammer forging of claim 1, wherein: protection piece (51) are including spacing dish (511), two the equal sliding connection in position department that the back of the body of the horizontal segment of C shape installing frame (52) just is located logical groove (56) has spacing dish (511), two fixedly connected with spliced pole (513) between the opposite face of the spacing dish (511) that sets up from top to bottom, just be located the inside fixedly connected with installation piece that leads to groove (56) on the periphery of spliced pole (513), four vertical faces of installation piece all through spacing spring (512) and the interior circumference elastic connection who leads to groove (56).

7. The clamping tool for air hammer forging of claim 1, wherein: the size of spacing post (55) and the size looks adaptation of spacing hole (53), the bottom of spacing hole (53) sets up for the reaming, three the position of spacing post (55) and three the position one-to-one of spacing hole (53).