Pneumatic vibrator with buffering function

Abstract

According to the technical scheme, the pneumatic vibrator with the buffering function is characterized in that the pneumatic vibrator comprises a hammer head, a hammer drill rod is arranged on the upper side of the hammer head, the lower end of the hammer drill rod is inserted into the inner side of the hammer head, a ball head is fixed to the lower end of the hammer drill rod, and a buffering rubber pad for conducting profiling pressing on the ball head is arranged on the hammer drill rod in a sleeved mode. A baffle used for pressing and blocking the upper end of the buffering rubber pad is horizontally inserted into the upper end of the hammer head, locking mechanisms used for locking and fixing the baffle are fixedly installed at the positions, close to the left end and the right end, of the upper surface of the hammer head, and the hammer drill rod is better attached to the surface of the hammer head during angle adjustment through an arranged ball head. And a buffering rubber pad is arranged to elastically press the ball head so that the ball head can rotate more stably, and therefore transmission of the vibration force and the vibration effect are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of transportation tools, in particular to a pneumatic vibrator with a buffering function. Background Art

[0002] The pneumatic vibrator applies vibration energy to the casting through the hammer chisel and hammer head, so as to detach, break and separate the mold and core sand from the casting body.

[0003] The Chinese patent with the announcement number CN214557307U discloses a pneumatic vibrator with a buffering function, including a hammer drill, a hammer head and a mounting block, the surface of the hammer drill is connected with a rubber ring, the surface of the rubber ring is connected with an upper cover, the surface of the upper cover is embedded with a spring card, the top of the hammer head is connected with the upper cover, the surface of the hammer drill is connected with the hammer head, the top of the hammer head is provided with a docking block, the top of the docking block is installed with a cylinder, the top of the cylinder is connected with a connecting block, and the inside of the connecting block is connected with a connecting rod. When the pneumatic vibrator with a buffering function is used, the hammer head will squeeze the hammer drill during the process of contact between the hammer head and the workpiece, and the hammer drill can transmit the reaction force of the hammer head contacting the workpiece, and at the same time, the hammer drill squeezes the rubber ring, causing the rubber ring to deform, so as to buffer the hammer head, thereby preventing the hammer head from being damaged due to excessive force.

[0004] Although the above-mentioned pneumatic vibrator is buffered by the rubber ring, the contact surface between the hammer chisel and the hammer head is not tightly fitted. When the angle of the hammer head is adjusted, it is easy to be over-biased, affecting the transmission of the vibration force, resulting in poor vibration effect. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a pneumatic vibrator with a buffering function to solve the problem that the above-mentioned pneumatic vibrator is prone to excessive force when the hammer head is adjusted at an angle, which affects the transmission of the vibrating force.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A pneumatic vibrator with a buffering function comprises a hammer head, a hammer chisel is arranged on the upper side of the hammer head, the lower end of the hammer chisel is inserted inside the hammer head, and a ball head is fixed to the lower end of the hammer chisel, a buffer rubber pad for contour pressing the ball head is sleeved on the hammer chisel, a baffle for pressing and blocking the upper end of the buffer rubber pad is horizontally inserted at the upper end of the hammer head, and locking mechanisms for locking the baffle are fixedly installed near the left and right ends of the upper surface of the hammer head.

[0008] Preferably, a clearance hole cooperating with the hammer drill is provided at the center of the buffer rubber pad, and a spherical sleeve opening cooperating with the ball head is provided at the lower end of the buffer rubber pad.

[0009] Preferably, a sleeve opening is provided in the middle of the front end of the baffle, and lock holes are provided near the left and right sides of the baffle.

[0010] Preferably, the locking mechanism includes a pressure plate fixed to the upper end of the hammer head, the pressure plate is pressed on the upper side of the baffle, and a support plate is fixed to the upper side of the pressure plate, a guide plate is fixed to the upper end of the support plate, and a locking rod is vertically inserted through the center of the guide plate, the lower end of the locking rod passes through the pressure plate and is inserted into the locking hole on the baffle, and a spring is mounted on the locking rod between the pressure plate and the guide plate, and a retaining ring is fixed at the position corresponding to the lower end of the locking rod and the spring.

[0011] Preferably, a slot is provided at the center of the upper end surface of the hammer head, and a spherical slot is provided at the inner bottom of the slot.

[0012] In summary, the utility model mainly has the following beneficial effects:

[0013] The hammer chisel is better fitted with the surface of the hammer head when the angle is adjusted by the provided ball head, and the ball head is elastically pressed by the provided buffer rubber pad so that the ball head can rotate more stably, thereby ensuring the transmission of the vibration force and the vibration effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of a buffer rubber pad of the utility model;

[0016] Figure 3 It is a schematic diagram of a baffle of the utility model;

[0017] Figure 4 It is a schematic diagram of the locking mechanism of the utility model;

[0018] Figure 5 It is a schematic diagram of a hammer head of the utility model.

[0019] Figure numerals: 1. hammer drill; 2. locking mechanism; 21. pressure plate; 22. support plate; 23. guide plate; 24. locking rod; 25. spring; 26. retaining ring; 3. baffle; 31. sleeve; 32. locking hole; 4. hammer head; 41. slot; 42. spherical groove; 5. ball head; 6. buffer rubber pad; 61. clearance hole; 62. spherical sleeve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] refer to Figure 1 and Figure 5 A pneumatic vibrator with a buffering function comprises a hammer head 4, a hammer drill 1 is arranged on the upper side of the hammer head 4, the lower end of the hammer drill 1 is inserted into the inner side of the hammer head 4, and a ball head 5 is fixed to the lower end of the hammer drill 1, a slot 41 is opened at the center of the upper end surface of the hammer head 4, the hammer head 4 is inserted into the hammer drill 1 through the slot 41, and a spherical groove 42 is arranged at the inner bottom of the slot 41, and the spherical groove 42 is better matched with the ball head 5 for corner matching, and a buffer rubber is sleeved on the hammer drill 1 for profiling and pressing the ball head 5 The baffle 3 for pressing and blocking the upper end of the buffer rubber pad 6 is horizontally inserted at the upper end of the hammer head 4, and the upper surface of the hammer head 4 is fixedly installed with a locking mechanism 2 for locking the baffle 3 near the left and right ends. The hammer drill 1 is better fitted with the surface of the hammer head 4 when the angle is adjusted through the set ball head 5, and the ball head 5 is elastically pressed by the set buffer rubber pad 6 so that the ball head 5 can rotate more stably, thereby ensuring the transmission of the vibration force and ensuring the vibration effect.

[0022] refer to Figure 2 A clearance hole 61 cooperating with the hammer drill 1 is opened in the center of the buffer rubber pad 6, and the clearance hole 61 makes way for the hammer drill 1 when it moves, and a spherical sleeve opening 62 cooperating with the ball head 5 is opened at the lower end of the buffer rubber pad 6, so that the spherical sleeve opening 62 can better cooperate with the ball head 5.

[0023] refer to Figure 3 A sleeve opening 31 is provided in the middle of the front end of the baffle 3, and the baffle 3 can be sleeved on the hammer drill 1 through the sleeve opening 31. The baffle 3 is provided with locking holes 32 near the left and right sides, and the locking holes 32 are used to better lock with the locking mechanism 2.

[0024] refer to Figure 4The locking mechanism 2 includes a pressing plate 21 fixed to the upper end of the hammer head 4, the pressing plate 21 presses on the upper side of the baffle 3, and the pressing plate 21 is used to limit and press the baffle 3 when it is inserted, and a supporting plate 22 is fixed to the upper side of the pressing plate 21, and a guide plate 23 is fixed to the upper end of the supporting plate 22, and a locking rod 24 is vertically inserted through the center of the guide plate 23, and the guide plate 23 guides the locking rod 24, and the lower end of the locking rod 24 passes through the pressing plate 21 and is inserted into the locking hole 32 on the baffle 3, and the locking rod 24 is located between the pressing plate 21 and the guide plate 23. A spring 25 is provided at the position corresponding to the lower end of the locking rod 24 and the spring 25. A retaining ring 26 is fixed to the position corresponding to the lower end of the locking rod 24 and the spring 25. The spring 25 elastically presses the retaining ring 26 downward so that the locking rod 24 is inserted downward into the locking hole 32 for locking and fixing, making the installation of the baffle 3 more convenient, and thus making the disassembly between the hammer head 4 and the hammer drill 1 more convenient.

[0025] Working principle: When the casting is vibrated, the ball head 5 cooperates with the spherical groove 42 in the hammer head 4 so that when the surface of the casting is uneven, the hammer head 4 can adaptively adjust the angle. During vibration, the buffer rubber pad 6 elastically presses the ball head 5 and buffers the force exerted on the ball head 5, thereby completing the protection of the hammer head 4.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic vibrator with a buffering function, comprising a hammer head (4), characterized in that: A hammer drill (1) is arranged on the upper side of the hammer head (4), the lower end of the hammer drill (1) is inserted inside the hammer head (4), and a ball head (5) is fixed to the lower end of the hammer drill (1), a buffer rubber pad (6) for pressing the ball head (5) is mounted on the hammer drill (1), a baffle plate (3) for pressing and blocking the upper end of the buffer rubber pad (6) is horizontally inserted at the upper end of the hammer head (4), and a locking mechanism (2) for locking and fixing the baffle plate (3) is fixedly installed near the left and right ends of the upper surface of the hammer head (4).

2. A pneumatic vibrator with a buffering function according to claim 1, characterized in that: The center of the buffer rubber pad (6) is provided with a clearance hole (61) matched with the hammer drill (1), and the lower end of the buffer rubber pad (6) is provided with a spherical sleeve opening (62) matched with the ball head (5).

3. The pneumatic vibrator with a buffering function according to claim 1, characterized in that: A sleeve opening (31) is provided at the middle position of the front end of the baffle (3), and lock holes (32) are provided near the left and right sides of the baffle (3).

4. A pneumatic vibrator with a buffering function according to claim 3, characterized in that: The locking mechanism (2) comprises a pressing plate (21) fixed to the upper end of the hammer head (4), the pressing plate (21) is pressed on the upper side of the baffle (3), and a supporting plate (22) is fixed to the upper side of the pressing plate (21), a guide plate (23) is fixed to the upper end of the supporting plate (22), and a locking rod (24) is vertically inserted through the center of the guide plate (23), the lower end of the locking rod (24) passes through the pressing plate (21) and is inserted into a locking hole (32) on the baffle (3), and a spring (25) is mounted on the locking rod (24) between the pressing plate (21) and the guide plate (23), and a retaining ring (26) is fixed at a position corresponding to the lower end of the locking rod (24) and the spring (25).

5. The pneumatic vibrator with a buffering function according to claim 1, characterized in that: A slot (41) is provided at the center of the upper end surface of the hammer head (4), and a spherical slot (42) is provided at the inner bottom of the slot (41).

Images