Air cylinder type quick cover opening structure

Abstract

The invention discloses an air cylinder type rapid cover opening structure, and belongs to the field of ultrasonic welding. Comprising a rack, an acoustic system, an outer cover and a cover opening mechanism, the acoustic system is covered with the outer cover, the cover opening mechanism comprises a first connecting piece, a second connecting piece, one or more sets of connecting rod assemblies and an air cylinder type elastic piece, one end of each connecting rod assembly is rotationally connected with the first connecting piece, and the other end of each connecting rod assembly is rotationally connected with the second connecting piece; one end of the cylinder type elastic piece is rotatably connected with the first connecting piece, and the other end is rotatably connected with the outer cover. Compared with the prior art, the connecting rod assembly can be matched with the first connecting piece and the second connecting piece to achieve connection between the outer cover and the rack, opening and closing of the outer cover are achieved through movement, opening and closing are more convenient and faster, and therefore maintenance and replacement of the acoustic system can be facilitated; meanwhile, the air cylinder type elastic piece can provide assistance for opening and closing of the outer cover through the elasticity of the air cylinder type elastic piece, so that opening and closing of the outer cover are more labor-saving.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of ultrasonic welding, and particularly relates to a gas cylinder type quick cover opening structure applied to an ultrasonic welding device. BACKGROUND

[0002] An acoustic system of an ultrasonic welding device comprises a transducer and a horn, which are assembled together and installed on an acoustic system mounting frame through a horn mounting seat. An outer cover is usually arranged outside the acoustic system to protect the acoustic system, and the transducer can be repaired and replaced only when the outer cover is opened. However, in the existing ultrasonic welding device, the outer cover is usually bolted to the rack, and when the outer cover is disassembled, the screw needs to be screwed, which is not convenient enough, thereby affecting the repair and replacement efficiency of the transducer. SUMMARY

[0003] To solve the above problems, the purpose of the present application is to provide a gas cylinder type quick cover opening structure, which can quickly open the outer cover of the acoustic system of the ultrasonic welding device, thereby improving the repair and replacement efficiency of the transducer.

[0004] To achieve the above purpose, the technical scheme of the present application is as follows:

[0005] The present application provides a gas cylinder type quick cover opening structure, comprising:

[0006] a rack;

[0007] an acoustic system;

[0008] an outer cover, which is arranged outside the acoustic system;

[0009] a cover opening mechanism, which comprises:

[0010] a first connecting piece for connecting the rack;

[0011] a second connecting piece for connecting the outer cover;

[0012] a plurality of connecting rod assemblies, one end of each connecting rod assembly being rotatably connected to the first connecting piece, and the other end being rotatably connected to the second connecting piece;

[0013] a gas cylinder type elastic piece, one end of the gas cylinder type elastic piece being rotatably connected to the first connecting piece, and the other end being rotatably connected to the outer cover.

[0014] Further, the connecting rod assembly comprises a crank connecting rod, both ends of the crank connecting rod are provided with bearings and connecting shafts, both ends of the crank connecting rod are provided with shaft holes, the first connecting piece and the second connecting piece are both provided with fixing holes, the bearings are sleeved on the connecting shafts and are arranged between the shaft holes and the fixing holes; and the connecting shafts are in damping rotary connection with the shaft holes and are in fixed connection with the fixing holes. Through the above structure, the two ends of the crank connecting rod are in damping rotary connection with the first connecting piece and the second connecting piece respectively, the relative movement between the cover and the rack can be realized by rotation, so that the cover can be opened and closed, and the cover can hover at a certain angle by the damping effect when being opened and closed, thereby facilitating the maintenance and replacement of the transducer.

[0015] Further, the crank connecting rod comprises a first rod body and a second rod body, one end of the first rod body is connected with one end of the second rod body to form a "folded line" structure, and the shaft hole is arranged at one end of the first rod body away from the second rod body and at one end of the second rod body away from the first rod body. In this application, the crank connecting rod is arranged in a "folded line" structure, which can make the rotation of both ends more smooth.

[0016] Further, the crank connecting rod comprises a first rod body, a second rod body, a third rod body, a fourth rod body, a fifth rod body and a sixth rod body, the first rod body, the second rod body, the third rod body, the fourth rod body, the fifth rod body and the sixth rod body are connected in sequence, the first rod body and the third rod body are perpendicular to the second rod body, the first rod body is parallel to the third rod body, the first rod body and the second rod body are connected to form an "L"-shaped first limiting groove for limiting one end of the fixed hole of the second connecting piece; the third rod body and the fourth rod body are connected to form a "folded line" structure; the fourth rod body and the sixth rod body are perpendicular to the fifth rod body, and the fourth rod body is parallel to the sixth rod body, the shaft hole is arranged at one end of the first rod body away from the second rod body and at one end of the sixth rod body away from the fifth rod body, and the fifth rod body and the sixth rod body are connected to form an "L"-shaped second limiting groove for limiting one end of the fixed hole of the first connecting piece.

[0017] Further, the connecting shaft comprises a threaded connection part, a rotary connection part and a limiting part, the threaded connection part is connected with the rotary connection part and the limiting part, the fixed hole is a screw hole, the threaded connection part is connected in the screw hole, the bearing is sleeved on the rotary connection part, the rotary connection part is in damping rotary connection with the shaft hole, and one end of the limiting part close to the rotary connection part abuts on the side surface of the crank connecting rod. Through the above structure, the rotary connection between the connecting shaft and the crank connecting rod and the fixed connection between the connecting shaft and the first connecting piece and the second connecting piece can be realized, and the limiting part can be used to limit the crank connecting rod, so that the structural stability of the connecting rod assembly can be improved.

[0018] Further, the linkage assembly is provided with four groups, and the four groups of linkage assemblies are parallel; the first connecting piece comprises a support plate and two vertically parallel connecting rods, the two connecting rods are integrally connected to the left and right sides of the support plate respectively, and the upper and lower ends of the two connecting rods are provided with the fixing holes; the second connecting piece is provided with two, and the two second connecting pieces are arranged opposite to the two connecting rods one by one, and the upper and lower ends of the two second connecting pieces are provided with the fixing holes, so that the first connecting piece and the second connecting piece each comprise four upper and lower fixing holes arranged opposite to each other, and the four groups of linkage assemblies are connected.

[0019] Further, the four groups of linkage assemblies form an avoidance position, and the upper part of the acoustic system is arranged in the avoidance position.

[0020] Further, the support plate is provided with a position sensor, one of the linkage assemblies comprises an induction sheet corresponding to the position sensor, and the induction sheet is rotatably connected to the rotating connection part. The position sensor can cooperate with the induction sheet to sense the rotation angle of the linkage assembly, so as to avoid excessive rotation of the connecting assembly.

[0021] Further, the air spring is provided with a spring cylinder, a telescopic shaft and a fixed shaft, the spring cylinder has a cylinder cavity, one end of the fixed shaft is fixedly connected to one end of the spring cylinder, and the other end is rotatably connected to the first rotating seat; one end of the telescopic shaft extends into the cylinder cavity from the other end of the spring cylinder away from the first rotating seat and can telescopically move in the cylinder cavity, and the other end is rotatably connected to the second rotating seat. During the opening and closing of the cover, the telescopic shaft can telescopically move synchronously, and the elasticity is provided by the air pressure in the cylinder cavity, which can not only realize buffering, but also provide assistance for the opening and closing of the cover, so that the opening and closing of the cover is more labor-saving.

[0022] Further, the cover comprises a top plate, a first side plate, a second side plate and a back plate, the first side plate and the second side plate are connected to the left and right sides of the back plate respectively, and the top ends of the first side plate, the second side plate and the back plate are connected to the top plate to form a cavity with an opening at the front end; the second rotating seat is installed on the inner wall of the back plate.

[0023] Further, one side of the support plate away from the first rotating seat is provided with a first connecting block, the lower side of the first connecting block is provided with a third limiting slot, the rack has a second connecting block, the second connecting block is clamped into the third limiting slot, and the second connecting block is connected with the first connecting block through a screw rod.

[0024] The application has the advantages that: compared with the prior art, the connecting rod assembly can cooperate with the first connecting piece and the second connecting piece to realize the connection between the cover and the rack, and the opening and closing of the cover is realized through the movement, so that the opening and closing of the cover is more convenient and fast, thereby facilitating the maintenance and replacement of the acoustic system; meanwhile, the air cylinder type elastic piece can provide power for the opening and closing of the cover by using the elasticity of the air cylinder type elastic piece, so that the opening and closing of the cover is more labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic view of the cover opening state of the embodiment.

[0026] Figure 2 is a structural schematic view of the cover closing state of the embodiment.

[0027] Figure 3 is an exploded view of the embodiment.

[0028] Figure 4 is a structural schematic view of the cover opening mechanism.

[0029] Figure 5 is a structural schematic view of the connecting rod assembly of the crank connecting rod in the first implementation manner of the embodiment.

[0030] Figure 6 is a structural schematic view of the crank connecting rod in the second implementation manner of the embodiment.

[0031] Figure 7 is a structural schematic view of the air spring.

[0032] Figure 8 is a sectional view of Figure 7 .

[0033] In the drawings:

[0034] 1, rack; 11, second connecting block; 2, acoustic system; 3, cover; 31, top plate; 32, first side plate; 33, second side plate; 34, back plate; 4, cover opening mechanism; 41, first connecting piece; 411, support plate; 412, connecting rod; 413, first connecting block; 414, third limiting groove; 42, second connecting piece; 43, connecting rod assembly; 431, crank connecting rod; 4311, first rod body; 4312, second rod body; 4313, third rod body; 4314, fourth rod body; 4315, fifth rod body; 4316, sixth rod body; 4317, first limiting groove; 4318, second limiting groove; 432, bearing; 433, connecting shaft; 4331, threaded connection part; 4332, rotary connection part; 4333, limiting part; 434, shaft hole; 44, air spring; 441, spring cylinder; 442, telescopic shaft; 443, fixed shaft; 444, air cylinder cavity; 45, fixing hole; 46, position sensor; 47, inductive sheet; 48, first rotary seat; 49, second rotary seat; 5, positioning disc; 6, acoustic system mounting rack. DETAILED DESCRIPTION

[0035] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0036] In order to achieve the above-mentioned object, the technical solutions of the present application are as follows:

[0037] Referring to Figures 1-8 The present embodiment provides a cylinder type quick cover opening structure, which comprises:

[0038] a rack 1;

[0039] an acoustic system 2;

[0040] a cover 3, which covers the acoustic system 2;

[0041] a cover opening mechanism 4, which comprises:

[0042] a first connecting piece 41 for connecting the rack 1;

[0043] a second connecting piece 42 for connecting the cover 3;

[0044] a plurality of connecting rod assemblies 43, one end of each connecting rod assembly 43 being rotatably connected to the first connecting piece 41 and the other end being rotatably connected to the second connecting piece 42;

[0045] a cylinder type elastic member, one end of the cylinder type elastic member being rotatably connected to the first connecting piece 41 and the other end being rotatably connected to the cover 3.

[0046] In the present application, the connecting rod assembly 43 can cooperate with the first connecting piece 41 and the second connecting piece 42 to realize the connection between the cover 3 and the rack 1, and the opening and closing of the cover 3 is realized by movement, which is more convenient and fast, thereby facilitating the maintenance and replacement of the acoustic system 2; at the same time, the cylinder type elastic member can provide power assistance for the opening and closing of the cover 3 by using its own elasticity, so that the opening and closing of the cover 3 is more labor-saving.

[0047] Further, the connecting rod assembly 43 comprises a crank connecting rod 431, both ends of the crank connecting rod 431 are provided with bearings 432 and connecting shafts 433, both ends of the crank connecting rod 431 are provided with shaft holes 434, the first connecting piece 41 and the second connecting piece 42 are both provided with fixed holes 45, the bearings 432 are sleeved on the connecting shafts 433 and are arranged between the shaft holes 434 and the fixed holes 45; and the connecting shafts 433 are in damping rotation connection with the shaft holes 434 and are in fixed connection with the fixed holes 45. Through the above structure, the two ends of the crank connecting rod 431 can be in damping rotation connection with the first connecting piece 41 and the second connecting piece 42 respectively, and the relative movement between the cover 3 and the rack 1 can be realized by rotation, thereby realizing the opening and closing of the cover 3, and when opening and closing, the cover 3 can hover at a certain angle by using the damping effect, thereby facilitating the maintenance and replacement of the transducer.

[0048] Further, in the present embodiment, the crank connecting rod has two implementation modes, in the first implementation mode, the crank connecting rod 431 comprises a first rod body 4311 and a second rod body 4312, one end of the first rod body 4311 is connected with one end of the second rod body 4312 to form a "folded line" structure, and the shaft hole 434 is arranged at one end of the first rod body 4311 away from the second rod body 4312 and at one end of the second rod body 4312 away from the first rod body 4311. In the present application, the crank connecting rod 431 is arranged in a "folded line" structure, which can make the rotation of both ends more smooth.

[0049] In the second implementation, the crank connecting rod 431 comprises a first rod body 4311, a second rod body 4312, a third rod body 4313, a fourth rod body 4314, a fifth rod body 4315, and a sixth rod body 4316, which are sequentially connected, and the first rod body 4311 and the third rod body 4313 are perpendicular to the second rod body 4312, the first rod body 4311 is parallel to the third rod body 4313, and the first rod body 4311 and the second rod body 4312 are connected to form an "L"-shaped first limiting groove 4317 for limiting one end of the fixing hole 45 of the second connecting piece 42; the third rod body 4313 and the fourth rod body 4314 are connected to form a "broken line" structure; the fourth rod body 4314 and the sixth rod body 4316 are perpendicular to the fifth rod body 4315, and the fourth rod body 4314 is parallel to the sixth rod body 4316, the shaft hole 434 is arranged at one end of the first rod body 4311 away from the second rod body 4312 and at one end of the sixth rod body 4316 away from the fifth rod body 4315, and the fifth rod body 4315 and the sixth rod body 4316 are connected to form an "L"-shaped second limiting groove 4318 for limiting one end of the fixing hole 45 of the first connecting piece 41.

[0050] Further, the connecting shaft 433 comprises a threaded connecting portion 4331, a rotating connecting portion 4332, and a limiting portion 4333, the threaded connecting portion 4331 is connected to the limiting portion 4333 through the rotating connecting portion 4332, the fixing hole 45 is a screw hole, the threaded connecting portion 4331 is connected in the screw hole, the bearing 432 is sleeved on the rotating connecting portion 4332, the rotating connecting portion 4332 is dampedly and rotatably connected to the shaft hole 434, and one end of the limiting portion 4333 close to the rotating connecting portion 4332 abuts against the side surface of the crank connecting rod 431. The above structure can realize the rotating connection between the connecting shaft 433 and the crank connecting rod 431, the fixed connection between the connecting shaft 433 and the first connecting piece 41 and the second connecting piece 42, and the limiting of the crank connecting rod 431 by the limiting portion 4333, thereby improving the structural stability of the connecting rod assembly 43.

[0051] Further, the connecting rod assembly 43 is provided with four groups, and the four groups of the connecting rod assembly 43 are parallel; the first connecting piece 41 comprises a support plate 411 and two vertically parallel connecting rods 412, the two connecting rods 412 are integrally connected to the left and right sides of the support plate 411 respectively, and the upper and lower ends of the two connecting rods 412 are provided with the fixing holes 45; the second connecting piece 42 is provided with two, and the two second connecting pieces 42 are arranged one by one opposite to the two connecting rods 412, and the upper and lower ends of the two second connecting pieces 42 are provided with the fixing holes 45, so that the first connecting piece 41 and the second connecting piece 42 each comprise four upper and lower fixing holes 45, and are connected to the four groups of the connecting rod assembly 43.

[0052] Further, the four groups of the connecting rod assembly 43 form an avoidance position, and the upper part of the acoustic system 2 is arranged in the avoidance position.

[0053] Further, the support plate 411 is provided with a position sensor 46, and one group of the connecting rod assembly 43 comprises an induction sheet 47 corresponding to the position sensor 46, and the induction sheet 47 is rotationally connected to the rotating connection part 4332. The position sensor 46 can cooperate with the induction sheet 47 to sense the rotation angle of the connecting rod assembly 43, so as to avoid excessive rotation of the connecting assembly.

[0054] Further, the air spring 44 is used as the air cylinder elastic element, the outer wall of the support plate 411 is provided with a first rotating seat 48, the inner wall of the cover 3 is provided with a second rotating seat 49, the air spring 44 comprises a spring cylinder 441, a telescopic shaft 442 and a fixed shaft 443, the spring cylinder 441 has a cylinder cavity 444, one end of the fixed shaft 443 is fixedly connected to one end of the spring cylinder 441, and the other end is rotationally connected to the first rotating seat 48; one end of the telescopic shaft 442 extends into the cylinder cavity 444 from the end of the spring cylinder 441 away from the first rotating seat 48, and can telescopically move in the cylinder cavity 444, and the other end is rotationally connected to the second rotating seat 49. During the opening and closing of the cover 3, the telescopic shaft 442 can telescopically move synchronously, and the elasticity is provided by the air pressure in the cylinder cavity 444, so that the cover 3 can be buffered and assisted during opening and closing, and the opening and closing of the cover 3 is more labor-saving.

[0055] Further, the cover 3 comprises a top plate 31, a first side plate 32, a second side plate 33, and a back plate 34, the first side plate 32 and the second side plate 33 are respectively connected to the left and right sides of the back plate 34, and the top ends of the first side plate 32, the second side plate 33 and the back plate 34 are connected to the top plate 31, forming a cavity with an opening at the front end; two second connecting pieces 42 are respectively installed on the inner walls of the first side plate 32 and the second side plate 33, and the second rotating seat 49 is installed on the inner wall of the back plate 34.

[0056] Further, one side of the support plate 411 away from the first rotating seat 48 is provided with a first connecting block 413, the lower side of the first connecting block 413 is provided with a third limiting groove 414, the rack 1 is provided with a second connecting block 11, the second connecting block 11 is clamped into the third limiting groove 414, and the second connecting block 11 and the first connecting block 413 are connected through a screw rod.

[0057] Further, the acoustic system 2 and the rack 1 are further provided with a positioning disc 5 and an acoustic system mounting rack 6, the acoustic system 2 is installed on the acoustic system mounting rack 6 through the positioning disc 5, and the acoustic system mounting rack 6 is installed on the rack 1.

[0058] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A cylinder-type quick-opening cap structure, characterized in that, include: frame; Acoustic systems; An outer cover, which is disposed outside the acoustic system; The lid opening mechanism includes: First connector for connecting the rack; A second connector for connecting the outer cover; One or more linkage assemblies, wherein one end of the linkage assembly is rotatably connected to a first connector and the other end is rotatably connected to a second connector; A cylinder-type elastic element, one end of which is rotatably connected to a first connecting member, and the other end of which is rotatably connected to an outer cover.

2. The cylinder-type quick-opening cap structure as described in claim 1, characterized in that, The connecting rod assembly includes a crank connecting rod, with bearings and connecting shafts at both ends of the crank connecting rod. Shaft holes are provided at both ends of the crank connecting rod. Fixing holes are provided on the first connecting member and the second connecting member. The bearings are sleeved on the connecting shaft and are located between the shaft hole and the fixing hole. The connecting shaft is rotatably connected to the shaft hole and fixedly connected to the fixing hole.

3. The cylinder-type quick-opening cap structure as described in claim 2, characterized in that, The crank connecting rod includes a first rod body and a second rod body. One end of the first rod body and one end of the second rod body are connected to form a "zigzag" structure. The shaft hole is opened at the end of the first rod body away from the second rod body and at the end of the second rod body away from the first rod body.

4. The cylinder-type quick-opening cap structure as described in claim 2, characterized in that, The crank connecting rod includes a first rod body, a second rod body, a third rod body, a fourth rod body, a fifth rod body, and a sixth rod body. These rod bodies are connected sequentially, with the first and third rod bodies perpendicular to the second rod body and parallel to it. The first and second rod bodies form an "L"-shaped first limiting groove, used to limit the position of the fixing hole of the second connector at one end. The third and fourth rod bodies form a "zigzag" shaped structure. The fourth and sixth rod bodies are perpendicular to the fifth rod body and parallel to it. The shaft hole is located at the end of the first rod body away from the second rod body and at the end of the sixth rod body away from the fifth rod body. The fifth and sixth rod bodies form an "L"-shaped second limiting groove, used to limit the position of the fixing hole of the first connector at one end.

5. The cylinder-type quick-opening cap structure as described in claim 2, characterized in that, The connecting shaft includes a threaded connection part, a rotating connection part, and a limiting part. The threaded connection part is connected to the limiting part through the rotating connection part. The fixing hole is a threaded hole, and the threaded connection part is connected to the threaded hole. The bearing is sleeved on the rotating connection part. The rotating connection part is damped and rotatably connected to the shaft hole. The end of the limiting part near the rotating connection part abuts against the side of the crank connecting rod.

6. The cylinder-type quick-opening cap structure as described in claim 5, characterized in that, The linkage assembly comprises four sets, which are parallel to each other. The first connector includes a support plate and two vertically parallel connecting rods, which are integrally connected to the left and right sides of the support plate. The upper and lower ends of the two connecting rods are provided with fixing holes. The second connector comprises two parts, which are respectively arranged one-to-one with the two connecting rods. The upper and lower ends of the two second connectors are provided with fixing holes, so that both the first and second connectors include four vertically arranged fixing holes, which are respectively connected to the four sets of linkage assemblies.

7. The cylinder-type quick-opening cap structure as described in claim 6, characterized in that, A position sensor is provided on the support plate, and one of the connecting rod assemblies includes a sensing plate corresponding to the position sensor, and the sensing plate is rotatably connected to the rotating connection part.

8. The cylinder-type quick-opening cap structure as described in claim 6, characterized in that, The cylinder-type elastic element includes an air spring. A first rotating seat is provided on the outer wall of the support plate, and a second rotating seat is provided on the inner wall of the outer cover. The air spring includes a spring cylinder, a telescopic shaft, and a fixed shaft. The spring cylinder has a cylinder cavity. One end of the fixed shaft is fixedly connected to one end of the spring cylinder, and the other end is rotatably connected to the first rotating seat. One end of the telescopic shaft extends from the end of the spring cylinder away from the first rotating seat into the cylinder cavity and can telescopically move within the cylinder cavity. The other end is rotatably connected to the second rotating seat.

9. The cylinder-type quick-opening cap structure as described in claim 8, characterized in that, The outer cover includes a top plate, a first side plate, a second side plate, and a back plate. The first side plate and the second side plate are respectively connected to the left and right sides of the back plate, and the top of the first side plate, the second side plate, and the back plate are all connected to the top plate to form a cavity with an opening at the front end. Two second connecting pieces are respectively installed on the inner walls of the first side plate and the second side plate, and the second rotating seat is installed on the inner wall of the back plate.

10. The cylinder-type quick-opening cap structure as described in claim 8, characterized in that, The support plate has a first connecting block on the side opposite to the first rotating seat, and a third limiting groove is provided below the first connecting block. The frame has a second connecting block, which is inserted into the third limiting groove, and the second connecting block is connected to the first connecting block by a screw.

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