CN211539362U - Air hammer device convenient to position and used for forging - Google Patents

Abstract

The utility model discloses a forging air hammer device convenient for positioning, which has the technical scheme that the forging air hammer device comprises a frame, a hammer head and an anvil block, and further comprises a mounting plate arranged on the anvil block and a lever arranged below the mounting plate through an axial hinge, wherein the length direction of the lever is vertical to the moving direction of the hammer head, and two ends of the lever are respectively connected with a sliding block in a sliding manner, and each sliding block is hinged with a movable rod; the movable rod penetrates through the mounting plate, the top end of the movable rod close to the hammer head is provided with a hook part for hooking and clamping the rod body part of the forging block holding clamp, and the top end of the other movable rod is provided with a pushing block; when the push-pull type elastic reset device is in an initial state, the push-pull block and the hook portion are located at the same height, and the mounting plate is provided with a driving portion and an elastic reset assembly, wherein the driving portion is used for generating push-pull power to drive the lever to rotate around the pivot hinge, and the elastic reset assembly is used for enabling the elastic direction to be consistent with the length direction of the movable rod. The utility model has the advantages of when being convenient for forge the clamp of gripping of holding the forging carry out assistance-localization real-time, improved forging machining precision and security.

Description

Air hammer device convenient to position and used for forging

Technical Field

The utility model relates to a metal forging equipment, more specifically say, it relates to a forge and beat and use air hammer device convenient to location.

Background

An Air Hammer (Air Hammer) is one type of free forging machine. The driving mechanism is arranged in the machine frame and comprises a compression cylinder, a distribution valve, a working cylinder and the like, the compression cylinder compresses air, the air is sent into the working cylinder through the distribution valve, the piston and the hammer head are pushed to move up and down to play a hammering role, and the machine frame is flexible to operate and widely used for production of small and medium-sized forgings, such as production of valves or valve body accessories.

The prior Chinese patent with the publication number of CN204620972U discloses an air hammer, which comprises a frame, wherein a hammer head and an anvil block positioned below the hammer head are arranged on the frame, and the hammer head is connected with a power mechanism (a working cylinder) in the frame. When the forging piece is beaten, an operator is required to clamp the high-temperature heated forging block by using a holding clamp and transfer the forging block to an anvil block of an air hammer; then, under the action of a power mechanism, the hammer head moves up and down in the vertical direction, and the hammer head hammers the forged block by utilizing the gravity and the impact kinetic energy in the downward moving process to complete the hammering forming of the forged block.

However, the impact force of downward movement of the hammer head is large, and in order to ensure accurate hammering position of the hammer head, an operator needs to use large force to keep the holding clamp stable so as to overcome instantaneous impact when the hammer head falls down and ensure accurate position of the hammer head hammering on the forging block. And, current air hammer lacks complementary unit, has increased operating personnel and has kept holding the steady degree of difficulty of pressing from both sides. When the hammer falls, if improper operation causes the forging block position to deviate because of impact very easily, influence forging piece shaping.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a forge and use air hammer device convenient to location, its have when being convenient for forge to the clamp of gripping of clamping forging carry out assistance-localization real-time, improved the advantage of forging machining precision and security.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a forging air hammer device convenient to position comprises a rack, a hammer head connected with a driving mechanism in the rack and capable of moving up and down in the vertical direction, an anvil block arranged on the rack and located right below the hammer head, a mounting plate arranged on the anvil block and a lever arranged below the mounting plate in a shaft hinge mode, wherein two ends of the lever are connected with sliding blocks in a sliding mode respectively, and each sliding block is hinged with a movable rod; the movable rod penetrates through the mounting plate along the moving direction of the hammer head, a hook part for hooking the rod body part of the holding clamp is arranged at the top end of the movable rod close to the hammer head, and a pushing block is arranged at the top end of the other movable rod; in an initial state, the length direction of the lever is perpendicular to the moving direction of the hammer head, the pushing block and the clamping hook portion are located at the same height, and the mounting plate is provided with a driving portion and an elastic resetting assembly, wherein the driving portion is used for generating push-pull power to drive the lever to rotate around the pivot hinge, and the elastic resetting assembly is used for enabling the elastic direction to be consistent with the length direction of the movable rod.

Through adopting above-mentioned technical scheme, hook portion and support the push block and be located same height during initial condition, shift the forging piece to the anvil block after, keep holding the clamp and be in the clamping state to the forging piece, move the body of rod part of holding the clamp simultaneously and hold to being hooked by hook portion. Then, with the help of the driving force that the drive division produced, order about the pivot point rotation of lever for the movable rod of lever one end drives the hook portion and moves down, and the movable rod of the other end drives and supports the pushing block and shift up, makes the middle part that grips the clamp increase and supports pushing block and hook portion two stress points, grips simultaneously and presss from both sides one end centre gripping in forging the piece, the other end is gripped by operating personnel, and overall stability increases. When the hammer head falls to beat the forging block, the forging block is not easy to deviate from the original position due to insecure holding caused by instantaneous impact force, the beating is more accurate, meanwhile, the holding clamp is not easy to loosen and pop out to hurt people, and the operation safety is improved.

Further, the drive division is including setting up in the push-and-pull piece of mounting panel bottom surface, push-and-pull piece is pneumatic cylinder, pneumatic cylinder or electronic jar that sets up along movable rod length direction, the drive end of push-and-pull piece is provided with the touch multitouch of contradicting with the lever.

Through adopting above-mentioned technical scheme, when the push-and-pull piece produced the pulling force, the conflict piece of push-and-pull piece drive end supported and pushed away the lever and rotates for lever one end drives the movable rod that installs hook portion and moves down, and the other end drives and is provided with the movable rod that supports the ejector pad and shifts up, makes to support ejector pad and hook portion synchronous motion and accomplishes the fixed to the body of rod part that grips the clamp, has played the effect that has increased operating personnel and has gripped the stability to gripping the clamp.

Further, the top surface of mounting panel is opened there is the mounting hole coaxial with the movable rod, elasticity reset assembly is including setting up in the compression spring of mounting hole, compression spring one end is connected in the movable rod other end and is connected in the mounting hole diapire, the opening part of mounting hole is provided with the shutoff piece.

By adopting the technical scheme, the compression spring is in a relaxed state in the initial state, when the lever rotates towards one side, the compression spring in one mounting hole is compressed, and the spring in the other mounting hole is stretched. After the power part releases the acting force of the power part on the lever, the elastic part restores to deform and drives the movable rod to reset quickly. The plugging piece can prevent the compression spring from being separated from the mounting hole, and before the compression spring is disassembled and assembled, the plugging piece is firstly disassembled.

Furthermore, a sinking groove coaxial with the mounting hole is formed in the top surface of the mounting plate, and the plugging piece is a plugging ring which is embedded in the sinking groove and sleeved on the movable rod; the plugging ring is detachably connected with the sinking groove.

Through adopting above-mentioned technical scheme, not only make compression spring easy dismounting, and because the existence of shutoff ring makes the removal of movable rod better steady.

Furthermore, the cross section of the lever is rectangular, and a convex rib with a trapezoidal or T-shaped cross section is arranged on the lever along the length direction; the bottom surface of the sliding block is provided with a sliding groove which is in clamping and embedding fit with the convex edge.

Through adopting above-mentioned technical scheme, when the lever rotated, the sliding block can slide along bead length direction for the movable rod can smoothly move along self axis direction, and the adjustment supports the position of ejector pad or hook portion.

Further, the length direction of the pushing block is perpendicular to the length direction of the lever.

By adopting the technical scheme, the rod body part of the holding clamp can be stably supported after the pushing block moves upwards, and the rod body part of the holding clamp is not easy to separate from the pushing block.

Further, the top surface of the pushing block is an arc-shaped surface which is concave towards the direction of the mounting plate.

By adopting the technical scheme, the stability of the support block to the holding clamp is further increased, so that the rod body part of the holding clamp is not easy to separate from the support block.

Further, the hook part comprises a first cross rod, a connecting part and a second cross rod, wherein the first cross rod and the connecting part are arranged at the top of the movable rod along the length direction of the lever perpendicular to the length direction of the lever, the second cross rod is parallel to the first cross rod, one end of the connecting part is connected to the first cross rod, the other end of the connecting part is connected to the second cross rod, and the first cross rod and the second cross rod are located on the same side of the.

Through adopting above-mentioned technical scheme, first horizontal pole, second horizontal pole and connecting portion have constituted the hook portion of horizontal U type, have made things convenient for the body of rod part card that grips the clamp to go into between first horizontal pole and the second horizontal pole, also make and have sufficient activity space, and the operating personnel of being convenient for utilizes to grip the clamp and adjusts forging a position.

Further, the mounting plate is detachably connected with the anvil.

Through adopting above-mentioned technical scheme, convenient the maintenance, and can set up the mounting panel in the different positions of anvil as required, the operating personnel of the different operation habits of being convenient for use.

To sum up, the utility model discloses following beneficial effect has:

1. the lever is driven to rotate by the driving part, and the movable rods at two ends are driven to move upwards by the lever, so that the rod body part of the holding clamp is fastened under the combined action of the pushing block and the clamping hook part, the holding stability of the holding clamp during forging is improved, and the problem that a forged block is deviated in position or the holding clamp is loosened and popped up to hurt people is solved;

2. the clamping hook part is composed of a first cross rod, a second cross rod and a connecting part, so that enough moving space is reserved, and the position of the forging block can be conveniently adjusted by an operator through the holding clamp.

Drawings

FIG. 1 is a schematic structural view of a forging air hammer apparatus of an embodiment for facilitating positioning;

FIG. 2 is a method diagram of section A of FIG. 1;

FIG. 3 is a schematic diagram of the structure of the mounting plate, the movable rod, the lever and the related attachment structure in the embodiment;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a diagram illustrating exemplary embodiments of a forging air hammer apparatus with positioning features.

In the figure: 1. a frame; 11. a hammer head; 12. an anvil block; 2. mounting a plate; 21. mounting holes; 22. sinking a groove; 23. a plugging ring; 24. a vertical plate; 25. a triangular rib plate; 26. a fixing plate; 3. a lever; 31. a rib; 4. a sliding block; 41. a chute; 5. a movable rod; 51. ring edges; 52. a compression spring; 6. pushing the block; 61. an arc-shaped surface; 7. a hook portion; 71. a first cross bar; 72. a second cross bar; 73. a connecting portion; 8. a push-pull member; 81. a contact block; 9. forging blocks; 91. and (4) holding the clip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a forging air hammer device convenient to position, referring to fig. 1, comprises a frame 1, wherein a hammer head 11 driven by an internal air pressure driving mechanism is arranged on the frame 1. Under the drive of the driving mechanism, the hammer head 11 can make linear reciprocating motion in the vertical direction, and the frame 1 is also provided with an anvil 12 positioned right below the hammer head 11. When forging, the forging block 9 is placed on the top surface of the anvil 12, and the forging block 9 is impacted and beaten by the downward-moving hammer 11 to realize the hammering formation of the forging block 9.

Referring to fig. 1 and 2, one side of the anvil 12 is provided with an auxiliary positioning means. The auxiliary positioning device comprises a rectangular mounting plate 2 parallel to the top surface of the anvil 12, and the mounting plate 2 is arranged on the side of the anvil 12 far away from the frame 1 along the direction perpendicular to the axial direction of the hammer 11. One end of the mounting plate 2 is provided with a vertical plate 24 perpendicular to the mounting plate 2, and a triangular rib plate 25 is arranged between the mounting plate 2 and the vertical plate 24. The vertical plate 24 and the anvil 12 are detachably connected through bolts, so that the mounting plate 2 is stably installed.

Referring to fig. 1 and 2, two fixing plates 26 are arranged on the bottom surface of the mounting plate 2, a lever 3 is arranged at one end of each fixing plate 26, which is far away from the mounting plate 2, in an axial hinge manner, and the cross section of the lever 3 is rectangular. In the initial state, the lever 3 is parallel to the mounting plate 2.

Referring to fig. 2 and 3, a rib 31 with a trapezoidal cross section is arranged on the top surface of the lever 3 along the length direction of the lever 3, and two sliding blocks 4 are connected on the rib 31 in a sliding manner. The bottom surface of the sliding block 4 is provided with a sliding groove 41 which is in embedded fit with the convex rib 31. Two sliding blocks 4 are respectively positioned at two ends of the lever 3.

Referring to fig. 2 and 3, a movable rod 5 is hinged to the top surface of each sliding block 4, and one end of the movable rod 5, which is far away from the sliding block 4, penetrates through the mounting plate 2. A clamping hook part 7 is fixed at the top end of the movable rod 5 close to the hammer head 11. The hook part 7 comprises a first cross rod 71 fixed at the top end of the movable rod 5, a connecting part 73 and a second cross rod 72 parallel to the first cross rod 71, one end of the connecting part 73 is connected to the first cross rod 71, the other end of the connecting part 73 is connected to the second cross rod 72, and the first cross rod 71 and the second cross rod 72 are located on the same side of the connecting part 73. In this embodiment, the connecting portion 73 is U-shaped, and the length directions of the first cross bar 71 and the second cross bar 72 are perpendicular to the length direction of the lever 3. The top end of the other movable rod 5 is fixed with a pushing block 6, the pushing block 6 is rectangular, and the length direction of the pushing block 6 is parallel to the length direction of the first cross rod 71. The top surface of the pushing block 6 is concave downwards towards the mounting plate 2 to form an arc surface 61.

Referring to fig. 2 and 3, a push-pull member 8 capable of generating push-pull power along the length direction of the movable rod 5 is fixed to the bottom plate of the mounting plate 2, and specifically, the push-pull member 8 may be a pneumatic cylinder, a hydraulic cylinder or an electric cylinder. In this embodiment, the pushing and pulling member 8 is a pneumatic cylinder, and the driving end of the pushing and pulling member 8 is provided with a circular abutting block 81 abutting against the top surface of the lever 3. In order to increase the rotational stability of the lever 3, the push-pull members 8 are arranged in two groups in the present embodiment, and symmetrically distributed on two sides of the rib 31, and the two groups of push-pull members 8 work synchronously. The push-pull piece 8 is arranged on one side of the fixed plate 26 close to the anvil block 12, when the push-pull piece 8 generates thrust, the lever 3 rotates, the movable rod 5 provided with the hook part 7 moves downwards, and the movable rod 5 provided with the pushing block 6 moves upwards.

Referring to fig. 3 and 4, in order to reset the two movable rods 5 when the pulling force is generated by the pushing and pulling member 8. The mounting plate 2 is provided with a mounting hole 21 coaxial with the movable rod 5, and a circular sinking groove 22 is arranged at the opening at the top end of the mounting hole 21. A set of compression spring 52 arranged on the movable rod 5 is arranged in each mounting hole 21, and a plugging ring 23 is embedded in the sinking groove 22. The plugging ring 23 is fixed by bolts, and the movable rod 5 penetrates through the plugging ring 23. The movable rod 5 is coaxially provided with an annular rib 51 positioned in the mounting hole 21, and one end of the compression spring 52 is fixed on the annular rib 51, and the other end is fixed on the bottom wall of the mounting hole 21.

Referring to fig. 4 and 5, after the forging is placed on the anvil 12 by means of the holding clip 91, it is adjusted so that the rod body of the holding clip 91 is caught in the catch portion 7. Then, the push-pull member 8 is activated to generate a pushing force, so as to drive the contact block 81 to move downwards to push the lever 3 to rotate around the pivot position. The movable rod 5 provided with the hook part 7 moves downwards along with the movement, and the movable rod 5 provided with the pushing block 6 moves upwards. The pushing block 6 and the hook part 7 act on the rod body part of the holding clamp 91 one above the other, one end of the holding clamp 91 is clamped on the forged piece, and the other end of the holding clamp is held by an operator. When the hammer head 11 moves downwards to impact the forging block 9, the gripping clamp 91 is not easy to shift and the position of the forging piece is not easy to move due to overlarge instantaneous impact force, the precision of forging processing is improved, and the safety of forging operation is improved.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.

Claims (9)

1. The utility model provides a forge and beat and use air hammer device convenient to location, includes frame (1), is connected tup (11) that can reciprocate in vertical direction with frame (1) inside actuating mechanism, sets up in frame (1) and is located anvil block (12) under tup (11), its characterized in that: the device is characterized by further comprising a mounting plate (2) arranged on one side of the anvil block (12) and a lever (3) arranged below the mounting plate (2) in a shaft hinge mode, wherein two ends of the lever (3) are connected with sliding blocks (4) in a sliding mode respectively, and each sliding block (4) is hinged with a movable rod (5);

the movable rod (5) penetrates through the mounting plate (2) along the moving direction of the hammer head (11), a clamping hook part (7) for hooking and clamping a rod body part of a gripping clamp (91) is arranged at the top end of the movable rod (5) close to the hammer head (11), and a pushing block (6) is arranged at the top end of the other movable rod (5); in an initial state, the length direction of the lever (3) is perpendicular to the moving direction of the hammer head (11), the pushing block (6) and the hook part (7) are located at the same height, and the mounting plate (2) is provided with a driving part for generating push-pull power to drive the lever (3) to rotate around the pivot hinge and an elastic resetting component with the elastic direction consistent with the length direction of the movable rod (5).

2. The easy-to-position forging air hammer apparatus according to claim 1, wherein: the drive division is including setting up in push-and-pull piece (8) of mounting panel (2) bottom surface, push-and-pull piece (8) for following pneumatic cylinder, pneumatic cylinder or electronic jar that movable rod (5) length direction set up, the drive end that pushes away and pull piece (8) is provided with conflict piece (81) of contradicting with lever (3).

3. The easy-to-position forging air hammer apparatus according to claim 2, wherein: the top surface of mounting panel (2) is opened there is mounting hole (21) coaxial with movable rod (5), the elasticity subassembly that resets is including setting up in compression spring (52) of mounting hole (21), compression spring (52) one end is connected in movable rod (5) other end and is connected in mounting hole (21) diapire, the opening part of mounting hole (21) is provided with the shutoff piece.

4. The easy-to-position forging air hammer apparatus according to claim 3, wherein: the top surface of the mounting plate (2) is provided with a sinking groove (22) coaxial with the mounting hole (21), and the plugging piece is a plugging ring (23) which is embedded in the sinking groove (22) and sleeved on the movable rod (5); the plugging ring (23) is detachably connected with the sinking groove (22).

5. The easy-to-position forging air hammer apparatus according to claim 1, wherein: the cross section of the lever (3) is rectangular, and a convex rib (31) with a trapezoidal or T-shaped cross section is arranged on the lever (3) along the length direction; the bottom surface of the sliding block (4) is provided with a sliding groove (41) which is in embedded fit with the convex rib (31).

6. The easy-to-position forging air hammer apparatus according to claim 1, wherein: the length direction of the pushing block (6) is perpendicular to the length direction of the lever (3).

7. The easy-to-position forging air hammer apparatus according to claim 6, wherein: the top surface of the pushing block (6) is an arc surface (61) which is concave towards the direction of the mounting plate (2).

8. The easy-to-position forging air hammer apparatus according to claim 1, wherein: the hook part (7) comprises a first cross rod (71) and a connecting part (73) which are arranged at the top of the movable rod (5) along the length direction of the lever (3) and a second cross rod (72) which is parallel to the first cross rod (71), one end of the connecting part (73) is connected to the first cross rod (71), the other end of the connecting part is connected to the second cross rod (72), and the first cross rod (71) and the second cross rod (72) are located on the same side of the connecting part (73).

9. The easy-to-position forging air hammer apparatus according to claim 1, wherein: the mounting plate (2) is detachably connected with the anvil block (12).

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