CN219561262U - Air hammer that security is good - Google Patents

Abstract

The utility model discloses an air hammer with good safety, which comprises a base, wherein a hammer body shell is fixedly arranged at the top end of the base, a connecting seat is fixedly arranged at the top end of the hammer body shell, a top seat is fixedly connected to the top end of the connecting seat, a fixing bolt is connected between the top seat and the connecting seat in a threaded manner, an air inlet hole communicated with the interior of the hammer body shell is formed in the center of the top end of the top seat, and a sleeve is fixedly arranged at the top of the hammer body shell. According to the utility model, the first conical gear is driven to rotate by the rotating rod, and the first conical gear is meshed with the second conical gear, so that the threaded rod is driven to rotate, the sliding block is driven to lift by the rotation of the threaded rod, the moving distance of the T-shaped hammer block is controlled by the lifting of the sliding block, when the air hammer is used for different equipment, the moving distance of the T-shaped hammer block is controlled, deformation of a hammering part caused by overlarge moving distance of the T-shaped hammer block can be effectively avoided, and the use safety of the air hammer is improved.

Description

Air hammer that security is good

Technical Field

The utility model relates to the technical field of air hammers, in particular to an air hammer with good safety.

Background

An air hammer, a free forging machine. The compression cylinder compresses air, and the air is sent into the working cylinder through the distribution valve to push the piston and the hammer head to move up and down to play a hammering role. Flexible operation and wide application in the production of small and medium-sized forgings.

According to chinese patent No. CN105855442a, a special high safety air hammer for forging steel is disclosed, which comprises a photoelectric protection device, a base and a hammer head, and is characterized in that: the utility model discloses a motor driven wheel, including base, driving motor, sealing washer, driving piston, solenoid valve, working cylinder, driving motor, sealing washer, mounting ring, driving motor, solenoid valve, working cylinder and operating cylinder are respectively arranged on the left side and the right side of driving motor, the both ends of base are provided with set screw, and the top of base is provided with driving motor, driving motor's upper left side is provided with from the driving wheel, the left side from the driving wheel is provided with the host computer shell, the top of host computer shell is provided with the sealing washer, the top of sealing washer is provided with the collar, the inside lower right side of host computer shell is close to from the driving wheel side and is provided with transmission, transmission's top is provided with the driving piston, driving piston's left side is provided with the solenoid valve, the right side of solenoid valve is provided with working cylinder. The utility model has scientific and reasonable structure, safe and convenient use, and the photoelectric protection device is convenient for protecting operators, avoiding being clamped and injured by the hammer heads in the operation process, and the damping spring can effectively reduce the impact force of the air hammer and avoid the damage of the host caused by huge vibration.

Above-mentioned pneumatic hammer can reduce the impact force of pneumatic hammer through damping spring effectively, but present pneumatic hammer is when using, unable control hammer block shift out the distance, when the hammer block shift out the distance too big, causes the installation department to take place deformation easily, influences the security that pneumatic hammer used.

Disclosure of Invention

The utility model aims to provide an air hammer with good safety so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air hammer that security is good, includes the base, the top fixed mounting of base has the hammer body shell, the top fixed connection of hammer body shell is equipped with the connecting seat, the top fixedly connected with footstock of connecting seat, threaded connection has fixing bolt between footstock and the connecting seat, the center department on footstock top seted up the inlet port with the inside intercommunication of hammer body shell, the top fixed mounting of hammer body shell has the sleeve, telescopic inside is inlayed and is equipped with the piston, the exhaust hole has been seted up to the both sides at hammer body shell top, the bottom of hammer body shell has inlayed T type hammer block, the top of T type hammer block passes through the bottom fixed connection of connecting rod with the piston, the limit side fixed mounting of hammer body shell bottom has reset spring, reset spring establishes with T type hammer block cover and is connected, the bottom cover of hammer body shell is established and is connected with spacing lantern ring, the both sides of hammer body shell inner wall all offer the spout, two the inside equal sliding connection of spout has the slider, two outer wall and two the fixed connection of lantern ring and two threaded rod's bottom and threaded rod rotate, between the threaded rod and the top.

Preferably, the top of threaded rod fixed mounting has the second bevel gear, the both sides rotation of hammer body shell outer wall is connected with the dwang, two the end department of dwang is all fixed mounting has first bevel gear, first bevel gear and second bevel gear meshing are connected.

Preferably, the inner diameter of the limit collar is larger than the outer diameter of the reset spring, and the inner diameter of the reset spring is smaller than the size of the top of the T-shaped hammer block.

Preferably, a plurality of silencers are fixedly arranged on the side of the top end of the base at equal intervals.

Preferably, a sealing ring is fixedly sleeved at the connecting part of the air inlet hole.

Preferably, a supporting frame is welded on the surface of the hammer body shell.

The utility model has the technical effects and advantages that:

1. the first conical gear is driven to rotate through the rotating rod and meshed with the second conical gear, so that the threaded rod is driven to rotate, the sliding block is driven to lift through rotation of the threaded rod, the distance of movement of the T-shaped hammer block is controlled through lifting of the sliding block, the distance of movement of the T-shaped block is controlled when the air hammer is used for different equipment, the phenomenon that the movement distance of the T-shaped hammer block is overlarge can be effectively avoided, deformation occurs at the hammering position, and the use safety of the air hammer is improved.

2. Through the muffler of base installation, reduce the noise that produces after the air hammer hammering, reduced the noise pollution who uses the air hammer to produce.

Drawings

Fig. 1 is a schematic structural view of an air hammer with good safety.

Fig. 2 is a schematic view of the internal structure of the air hammer with good safety.

Fig. 3 is an enlarged view of part a of fig. 2 of an air hammer of the present utility model with good safety.

In the figure: 1. a base; 2. a muffler; 3. a hammer body housing; 4. a connecting seat; 5. a top base; 6. a fixing bolt; 7. an air inlet hole; 8. an exhaust hole; 9. a sleeve; 10. a piston; 11. a rotating lever; 12. a first bevel gear; 13. a second bevel gear; 14. a chute; 15. a slide block; 16. a limit collar; 17. a return spring; 18. a threaded rod; 19. t-shaped hammer block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an air hammer with good safety as shown in fig. 1-3, which comprises a base 1, wherein a hammer body shell 3 is fixedly arranged at the top end of the base 1, a connecting seat 4 is fixedly arranged at the top end of the hammer body shell 3, a footstock 5 is fixedly connected to the top end of the connecting seat 4, a fixing bolt 6 is connected between the footstock 5 and the connecting seat 4 in a threaded manner, an air inlet 7 communicated with the interior of the hammer body shell 3 is formed in the center of the top end of the footstock 5, a sleeve 9 is fixedly arranged at the top of the hammer body shell 3, a piston 10 is embedded in the sleeve 9, exhaust holes 8 are formed in two sides of the top of the hammer body shell 3, T-shaped hammer blocks 19 are embedded in the bottom of the hammer body shell 3, the top ends of the T-shaped hammer blocks 19 are fixedly connected with the bottom end of the piston 10 through connecting rods, reset springs 17 are fixedly arranged on the sides of the bottom of the hammer body shell 3, limit collars 16 are sleeved on the bottom of the hammer body shell 3, the limit collars 16 are sleeved on the two sides of the inner wall of the hammer body shell 3, sliding grooves 14 are formed in two sides of the inner walls of the hammer body shell 3, the sliding grooves 14 are connected with the two sliding blocks 15, the two sliding blocks 15 are fixedly connected with the threaded rods 18 on the two sides of the threaded rods, and the two sides of the threaded rods 18 are fixedly connected with the top of the sliding blocks 18.

According to the figures 1 and 2, the top of the threaded rod 18 is fixedly provided with a second bevel gear 13, two sides of the outer wall of the hammer body shell 3 are rotatably connected with rotating rods 11, the end heads of the two rotating rods 11 are fixedly provided with first bevel gears 12, the first bevel gears 12 are in meshed connection with the second bevel gears 13, and the rotation of the threaded rod 18 is controlled.

The internal diameter of the limiting collar 16 is larger than the external diameter of the return spring 17, the internal diameter of the return spring 17 is smaller than the top size of the T-shaped hammer block 19, and the T-shaped hammer block 19 is limited through the limiting collar 16.

The side equidistance fixed mounting on base 1 top has a plurality of silencers 2, carries out the noise reduction to the surrounding, reduces the noise pollution that hammering produced.

The sealing ring is fixedly sleeved at the joint of the air inlet 7, so that the tightness of the joint is ensured, and air leakage is avoided.

The supporting frame is welded on the surface of the hammer body shell 3, so that the structural strength of the hammer body shell 3 is improved.

The working principle of the utility model is as follows: when the air hammer is used, firstly, the air inlet 7 is connected with an external air pump artificially, then the base 1 is installed at a using position, then the rotating rod 11 is rotated artificially, the rotating rod 11 rotates to drive the first conical gear 12 to rotate, the first conical gear 12 is meshed with the second conical gear 13, thereby driving the threaded rod 18 to rotate, the sliding block 15 is driven to lift through the rotation of the threaded rod 18, the limiting collar 16 is driven to lift through the lifting of the sliding block 15, the T-shaped hammer block 19 is controlled to lift through the limiting collar 16, the striking force is controlled through the lifting of the T-shaped hammer block 19, the use safety of the air hammer is ensured when the air hammer is used for different equipment, and meanwhile, the noise generated by hammering can be effectively reduced through the installed silencer 2, and the noise pollution caused by using the air hammer is reduced.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used by the utility model can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.

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

Claims (6)

1. The utility model provides an air hammer that security is good, includes base (1), its characterized in that, the top fixed mounting of base (1) has hammer body shell (3), connecting seat (4) are fixedly equipped with on the top of hammer body shell (3), the top fixedly connected with footstock (5) of connecting seat (4), threaded connection has fixing bolt (6) between footstock (5) and connecting seat (4), air inlet port (7) with the inside intercommunication of hammer body shell (3) are seted up at the center department on footstock (5) top, sleeve (9) are fixed mounting in the top of hammer body shell (3), piston (10) are inlayed in the inside of sleeve (9), exhaust hole (8) are seted up in the both sides at hammer body shell (3) top, T type hammer block (19) are inlayed in the bottom of hammer body shell (3), the top of T type hammer block (19) is through connecting rod and the bottom fixed connection of piston (10), hammer side fixed mounting in the side of hammer body shell (3) bottom has reset spring (17), reset spring (17) are established with reset spring (16) and are established sleeve (16), sliding grooves (14) are formed in two sides of the inner wall of the hammer body shell (3), sliding blocks (15) are slidably connected in the sliding grooves (14), the sliding blocks (15) are fixedly connected with two sides of the outer wall of the limiting collar (16), threaded rods (18) are rotatably connected between the top and the bottom of the sliding grooves (14), and the threaded rods (18) are in threaded connection with the middle of the sliding blocks (15).

2. The air hammer with good safety according to claim 1, wherein a second bevel gear (13) is fixedly arranged at the top of the threaded rod (18), two sides of the outer wall of the hammer body shell (3) are rotatably connected with rotating rods (11), first bevel gears (12) are fixedly arranged at the ends of the two rotating rods (11), and the first bevel gears (12) are in meshed connection with the second bevel gears (13).

3. An air hammer with good safety according to claim 1, characterized in that the inner diameter of the limit collar (16) is larger than the outer diameter of the return spring (17), and the inner diameter of the return spring (17) is smaller than the size of the top of the T-shaped hammer block (19).

4. An air hammer with good safety according to claim 1, characterized in that a plurality of silencers (2) are fixedly mounted on the side of the top end of the base (1) at equal intervals.

5. An air hammer with good safety according to claim 1, characterized in that the connection of the air inlet holes (7) is fixedly sleeved with a sealing ring.

6. An air hammer with good safety according to claim 1, characterized in that the surface of the hammer body housing (3) is welded with a supporting frame.