CN216173533U

CN216173533U - Rotary cup quick-dismantling device of rotary cup spray gun

Info

Publication number: CN216173533U
Application number: CN202122604586.0U
Authority: CN
Inventors: 黄瑞久
Original assignee: Jiewei Precision Manufacturing Shenzhen Co ltd
Current assignee: Jiewei Precision Manufacturing Shenzhen Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

A rotary cup quick-release device of a rotary cup spray gun relates to the technical field of coating. The cup-spinning spray gun comprises: the quick-release device comprises a spray gun body and a rotary cup connected with a central rotating shaft of a pneumatic motor of the spray gun body, wherein the rotary cup quick-release device comprises a driving mechanism arranged in a shell of the spray gun body; the clamping structure is arranged between the shell and the driving mechanism and can be used for relatively fixing the central rotating shaft and the shell under the driving of the driving mechanism. The casing is located the central pivot outside and sets up movable groove, and the movable assembly of joint structure is in movable inslot, and actuating mechanism includes: the air duct is arranged in the shell, and one end of the air duct is communicated with the movable groove; one end of the air inlet pipe is hermetically connected with one end of the air duct, and the air valve is arranged on the air inlet pipe. Adopt above-mentioned technical scheme to drive the joint structure through actuating mechanism and spacing with casing and central pivot joint, need not to dismantle the shaping cover of spray gun casing front end alright realize the fixed with central pivot to the user will revolve the cup and dismantle so that clean and change the advantage of revolving the cup.

Description

Rotary cup quick-dismantling device of rotary cup spray gun

Technical Field

The utility model relates to the technical field of coating, in particular to a rotary cup quick-release device of a rotary cup spray gun.

Background

The rotary cup spray gun is mainly used for spraying and painting paint, a plurality of spraying through holes are uniformly distributed on the front end face of the rotary cup spray gun, an air inlet through hole is communicated with the spraying through holes, a pneumatic motor is arranged in the rotary cup spray gun, a central rotating shaft of the pneumatic motor is provided with an axial through hole, and a rotary cup is fixed at the front end of the central rotating shaft. The all-round rotation can be realized to its cup of revolving, and paint adopts centrifugal atomization simultaneously, and central pivot and cup of revolving are threaded connection and free rotation, need to change or wash the cup of revolving to the cup spray gun, need tear open dustcoat and endotheca, and the central pivot is blocked to reuse special wrench, could follow the central pivot and dismantle the cup of revolving, and it is troublesome to dismantle. Therefore, improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and shortcomings of the prior art and provides a quick revolving cup dismounting device of a revolving cup spray gun, which has the advantages that a clamping structure is driven by a driving mechanism to clamp and limit a shell and a central revolving shaft so that a user can dismount the revolving cup by using a hand or a revolving cup clamp conveniently, the central revolving shaft can be fixed without dismounting an outer cover and an inner sleeve at the front end of the shell of the spray gun, and the user can dismount the revolving cup from the central revolving shaft so as to clean and replace the revolving cup conveniently.

In order to achieve the purpose, the utility model adopts the technical scheme that: a cup quick detach device of cup soon spray gun, cup soon spray gun includes: spray gun body and with the cup soon of threaded connection is passed through in the pneumatic motor's of spray gun body central pivot, it includes to revolve cup quick detach device: the driving mechanism is arranged in the shell of the spray gun body; and the clamping structure is arranged between the shell and the driving mechanism and can be used for fixing the central rotating shaft and the shell relatively under the driving of the driving mechanism.

The casing is located the center pivot outside sets up movable groove, the movable assembly of joint structure in movable inslot, actuating mechanism includes: the air duct is arranged in the shell, and one end of the air duct is communicated with the movable groove; the air inlet pipe is connected with the air pipe, one end of the air inlet pipe is connected with one end of the air pipe, far away from the movable groove, in a sealing manner, the other end of the air pipe is connected with the air generator of the spray gun body, and the air inlet pipe is used for driving the clamping structure to move towards one end of the central rotating shaft under the driving of the air generator so as to clamp and limit the shell and the central rotating shaft, and the air valve is arranged on the air inlet pipe.

The clamping structure comprises: a piston slidably fitted in the movable groove near the vent pipe;

the plug pin is integrally arranged on one side of the piston, which is far away from the ventilation pipeline, and one end of the plug pin can extend out of the movable groove under the driving of the piston and is clamped with the central rotating shaft;

the elastic piece is arranged in the movable groove, sleeved outside the bolt and capable of driving one end of the bolt to contract in the movable groove under the driving of self restoring force.

And the central rotating shaft is provided with a slot for inserting one end of the plug pin so as to fix the shell and the central rotating shaft.

The elastic piece is a spring.

After the technical scheme is adopted, the utility model has the beneficial effects that: when the rotary cup needs to be disassembled, the air valve is opened, so that the air generator inputs compressed air into the movable groove through the air valve, the air inlet pipe and the air vent pipeline, the compressed air pushes the piston to move, one end of the plug pin is kept in the movable groove, the other end of the plug pin is clamped into the slot, the central rotating shaft is fixed, and then the rotary cup is screwed down by hands or a special clamp for the rotary cup; when the rotary cup is installed, the rotary cup is fixed on the central rotating shaft in a rotating mode by hands, then the air valve is closed, the spring enables the bolt and the central rotating shaft to be separated and contracted in the movable groove under the driving of self restoring force, the central rotating shaft and the rotary cup are enabled to recover a free rotating state, and the rotary cup spray gun can be normally used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the snap-fit construction;

fig. 3 is a schematic structural view of the bell cup.

Description of reference numerals: 1. a spray gun body; 2. a forming hood; 21. a housing; 22. an inner sleeve; 3. rotating the cup; 11. a central rotating shaft; 4. a drive mechanism; 5. a clamping structure; 41. an air duct; 42. an air inlet pipe; 43. an air valve; 44. a movable groove; 51. a piston; 52. a bolt; 53. an elastic member; 54. a slot; 12. a housing.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

The embodiment relates to a cup quick detach device of cup spinning gun, as shown in fig. 1, 3, the cup spinning gun includes: the spray gun comprises a spray gun body 1 and a rotary cup 3 which is connected with a central rotating shaft 11 of a pneumatic motor of the spray gun body 1 through threads.

Note that the spray gun body 1 includes: the forming device comprises a shell 12, a pneumatic motor and a forming cover 2, wherein the pneumatic motor is arranged in the shell 12, the tail end of the forming cover 2 is connected with the front end of the shell 12 and covers the outer side of a rotating cup 3, the front end of the rotating cup 3 extends out of the front end of the forming cover 2, and an air generator communicated with the pneumatic motor and the forming cover 2 through an air pipe is fixedly arranged in the shell 12. The forming hood 2 includes an outer hood 21 and an inner hood 22. A flow regulating air valve and a switching air valve are arranged on an air pipe between the air generator and the forming cover 2 and an air pipe between the air generator and the pneumatic motor.

Preferably, as shown in fig. 1, the quick release device of the bell cup 3 comprises: a drive mechanism 4 and a catch arrangement 5. The drive mechanism 4 is disposed within the housing 12 of the spray gun body 1. The clamping structure 5 is disposed between the housing 12 and the driving mechanism 4, and can be used for relatively fixing the central rotating shaft 11 and the housing 12 under the driving of the driving mechanism 4. The clamping structure 5 is driven by the driving mechanism 4 to clamp the shell 12 and the central rotating shaft 11 for limiting so that a user can detach the rotating cup 3 by using a hand or clamping the rotating cup 3, the outer cover 21 and the inner sleeve 22 at the front end of the spray gun shell 12 are not required to be detached so as to fix the central rotating shaft 11, and the rotating cup 3 can be detached from the central rotating shaft 11 by the user so as to be cleaned and replaced.

Preferably, as shown in fig. 1, the housing 12 is provided with a movable groove 44 outside the central rotating shaft 11, the latch structure 5 is movably assembled in the movable groove 44, and the driving mechanism 4 includes: a vent line 41, an inlet line 42, and a gas valve 43.

The air duct 41 is provided in the housing 12 and has one end communicating with the movable groove 44. One end of the air inlet pipe 42 is connected with one end of the air duct 41 far away from the movable groove 44 in a sealing manner, the other end of the air inlet pipe is connected with the air generator of the spray gun body 1, the clamping structure 5 is driven by the air generator to move towards one end of the central rotating shaft 11 so as to clamp the limiting shell 12 and the central rotating shaft 11, and the air valve 43 is arranged on the air inlet pipe 42. Drive joint structure 5 and central pivot 11 joint through pneumatic mode, realize make full use of air generator, the effect of saving cost, in some embodiments thereof, actuating mechanism 4 includes: the air cylinder comprises an air inlet pipe 42, an air outlet pipe, two air valves 43 and air cylinders, wherein an output shaft of each air cylinder is fixedly connected with the clamping structure 5, the air cylinders are communicated with the air generator through the air inlet pipe 42 and the air outlet pipe, and the two air valves 43 are respectively arranged on the air inlet pipe 42 and the air outlet pipe. In some embodiments, the drive structure is a prior art electric putter.

Preferably, as shown in fig. 2, the clamping structure 5 comprises: a piston 51, a plug 52 and an elastic member 53.

The piston 51 is slidably fitted in the movable groove 44 near the vent tube 41. The plug 52 is integrally arranged on one side of the piston 51 far away from the vent pipe 41, and one end of the plug can extend out of the movable groove 44 to be clamped with the central rotating shaft 11 under the driving of the piston 51. The elastic member 53 is disposed in the movable slot 44, sleeved outside the latch 52, and capable of driving one end of the latch 52 to retract into the movable slot 44 under the driving of its own restoring force. The elastic member 53 is a spring. The air generator delivers compressed air through the air pipe and the air inlet pipe 42, so as to push the piston 51 to move towards one side close to the central rotating shaft 11, at the moment, the piston 51 drives the elastic piece 53 to compress, and simultaneously drives the bolt 52 to extend out of the movable groove 44 to be clamped with the central rotating shaft 11, thereby realizing the effect that the shell 12 and the central rotating shaft 11 are relatively fixed so as to be convenient for the revolving cup 3 to be detached. In some embodiments, the drive mechanism 4 is a push rod and the latch structure 5 is a latch 52.

Preferably, as shown in fig. 1, the central rotating shaft 11 is provided with a slot 54 for inserting one end of the plug 52 to fix the housing 12 and the central rotating shaft 11. At least two slots 54 are arranged at intervals, and the slots 54 are annularly arranged outside the central rotating shaft 11.

The working principle of the utility model is roughly as follows: when the rotary cup 3 needs to be disassembled, the air valve 43 is opened, so that the air generator inputs compressed air into the movable groove 44 through the air valve 43, the air inlet pipe 42 and the air duct 41, the compressed air pushes the piston 51 to move, so that one end of the bolt 52 is kept in the movable groove 44, and the other end of the bolt is clamped into the slot 54 to fix the central rotating shaft 11, and then the rotary cup 3 is unscrewed by a hand or a special clamp for the rotary cup 3. When the rotary cup 3 is installed, the rotary cup 3 is fixed on the central rotating shaft 11 by hand in a rotating way, then the air valve 43 is closed, the bolt 52 and the central rotating shaft 11 are separated and contracted in the movable groove 44 under the driving of self restoring force of the spring, so that the central rotating shaft 11 and the rotary cup 3 are restored to a free rotating state, and the rotary cup spray gun can be normally used.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A cup quick detach device of cup soon spray gun, cup soon spray gun includes: spray gun body (1) and with central pivot (11) of the pneumatic motor of spray gun body (1) are through threaded connection's cup (3) soon, its characterized in that revolves cup (3) quick detach device and includes: a drive mechanism (4) disposed within a housing (12) of the spray gun body (1); and the number of the first and second groups,

set up in casing (12) with between actuating mechanism (4), can be used for under the drive of actuating mechanism (4) will central pivot (11) with casing (12) relatively fixed's joint structure (5).

2. The cup quick release device of a cup-spinning spray gun according to claim 1, characterized in that the housing (12) is provided with a movable groove (44) at the outer side of the central rotating shaft (11), the clamping structure (5) is movably assembled in the movable groove (44), and the driving mechanism (4) comprises: an air duct (41) provided in the housing (12) and having one end communicating with the movable groove (44);

the air inlet pipe (42) is connected with one end of the air duct (41), which is far away from one end of the movable groove (44), in a sealing manner, and the other end of the air duct is connected with the air generator of the spray gun body (1), and is used for driving the clamping structure (5) to move towards one end of the central rotating shaft (11) under the driving of the air generator so as to clamp and limit the shell (12) and the central rotating shaft (11), and the air valve (43) is arranged on the air inlet pipe (42).

3. The bell cup quick release device of a bell cup spray gun of claim 2 wherein the snap-fit structure (5) comprises: a piston (51) slidably fitted in said movable groove (44) close to said vent duct (41);

the plug pin (52) is integrally arranged on one side of the piston (51) far away from the vent pipeline (41), and one end of the plug pin can extend out of the movable groove (44) under the driving of the piston (51) to be clamped with the central rotating shaft (11);

and the elastic part (53) is arranged in the movable groove (44), sleeved outside the bolt (52) and capable of driving one end of the bolt (52) to contract in the movable groove (44) under the driving of self restoring force.

4. The cup quick release device of a cup-spinning spray gun according to claim 3 is characterized in that the central spindle (11) is provided with a slot (54) for inserting one end of the plug pin (52) to fix the housing (12) and the central spindle (11).

5. The bell cup quick release assembly of a bell cup spray gun of claim 3 wherein said resilient member (53) is a spring.