Turnover driving mechanism of on-line automatic enameling machine

Abstract

A turnover driving mechanism of an on-line automatic enameling machine comprises a rack, a swing frame and a swing frame driving system, and the swing frame is suspended on an upper frame of the rack; the swing frame driving system comprises a first front-back moving and small-swing-angle driving cylinder, a second front-back moving and small-swing-angle driving cylinder and a swing-angle driving cylinder, and the first front-back moving and small-swing-angle driving cylinder and the second front-back moving and small-swing-angle driving cylinder are symmetrically arranged on the left side and the right side of the rack bottom frame in parallel. A first sliding base is arranged at the first free end of a first ejector rod of the first front-back moving and small-swing-angle driving cylinder, and a second sliding base is arranged at the second free end of a second ejector rod of the second front-back moving and small-swing-angle driving cylinder. The swing angle driving cylinder is connected with the transverse shaft through a swing angle driving cylinder lower pivot, and the third free end of a third ejector rod of the swing angle driving cylinder is connected with the rear side of the swing frame through a swing angle driving cylinder upper pivot. The utility model has the advantages that the acting force of the hydraulic mechanism on the rack can be reduced, and the fatigue or fracture risk of the rack is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of workpiece turning mechanisms, in particular to a turning driving mechanism of an online automatic enameling machine. Background Art

[0002] In the prior art, when the inner wall of the water heater tank is enameled, the tank needs to be turned over. The traditional enameling machine is only equipped with one cylinder or liquid cylinder. When the cylinder or liquid cylinder is pushed out, it will swing greatly. The power of the swing of the cylinder or liquid cylinder comes from the force of the swing frame on the piston rod of the cylinder or liquid cylinder. Since the piston rod of the cylinder or liquid cylinder pushes the cylinder or liquid cylinder to swing with a large amplitude, the piston rod and the seal are greatly damaged. This results in a short service life of the cylinder or liquid cylinder, and the frame is prone to fatigue or breakage.

[0003] To solve the above problems, Chinese patent document CN 216274376 U discloses a water heater inner tank enameling flipping mechanism, comprising a mounting bracket installed on the outside of the enameling machine and an upper swing frame and a lower swing frame inserted into a processing area; a support seat is provided on the top of the mounting bracket, an inclined lower cylinder is provided on the support seat, and the output end of the lower cylinder is inclined downwardly arranged toward the processing area; the lower cylinder is inserted into the processing area of ​​the enameling machine; a vertically downward sling is provided on the upper swing frame; the sling is rotatably connected to the upper swing frame; a connecting shaft is provided at the bottom of the sling; the lower swing frame is arranged vertically downward, and the lower swing frame rotates around the connecting shaft; the upper cylinder is arranged on the mounting bracket, and the output end of the upper cylinder is installed on the upper swing frame and rotatably connected to the upper swing frame; the upper cylinder is arranged downwardly inclined toward the upper swing frame; the above-mentioned water heater inner tank enameling flipping mechanism is simultaneously provided with an upper cylinder and a lower cylinder inclined downwardly, which has the advantages of being able to reduce the wear of the piston rod seal and being beneficial to prolonging the service life.

[0004] However, there is room for improvement in addressing the issue of racks being susceptible to fatigue or breakage. Utility Model Content

[0005] The utility model provides a turnover drive mechanism for an online automatic enameling machine, which can greatly reduce the force of a hydraulic mechanism on a frame and reduce the risk of fatigue or breakage of the frame.

[0006] The utility model provides a flip driving mechanism of an online automatic enameling machine, comprising a frame, a swing frame and a swing frame driving system, wherein the frame comprises a frame bottom frame, a frame upper frame and a frame side frame, and the swing frame is rotatably suspended on the frame upper frame through a suspension mechanism; the swing frame driving system comprises a first front-to-back movement and small swing angle driving cylinder, a second front-to-back movement and small swing angle driving cylinder and at least one swing angle driving cylinder, the first front-to-back movement and small swing angle driving cylinder and the second front-to-back movement and small swing angle driving cylinder are symmetrically and parallelly arranged on the left and right sides of the frame bottom frame, a first slide is provided at the first free end of the first push rod of the first front-to-back movement and small swing angle driving cylinder, a second slide is provided at the second free end of the second push rod of the second front-to-back movement and small swing angle driving cylinder, and the first slide and the second slide are connected through a transverse axis; the swing angle driving cylinder is connected to the transverse axis through a swing angle driving cylinder lower pivot, and the third free end of the third push rod of the swing angle driving cylinder is connected to the rear side of the swing frame through a swing angle driving cylinder upper pivot.

[0007] As an improvement to the utility model, the suspension mechanism comprises a first semi-pivot assembly, a second semi-pivot assembly, a first suspension arm, a second suspension arm, a first suspension slide rail and a second suspension slide rail, wherein the first suspension slide rail and the second suspension slide rail are respectively arranged on both sides of the upper frame of the frame, the first suspension arm is suspended on the first suspension slide rail through a pair of first suspension slides, and can reciprocate on the first suspension slide rail; the second suspension arm is suspended on the second suspension slide rail through a pair of second suspension slides, and can reciprocate on the second suspension slide rail; the first semi-pivot assembly and the second semi-pivot assembly are respectively arranged at the front ends of the first suspension arm and the second suspension arm.

[0008] As an improvement to the present utility model, the suspension mechanism comprises a first half-pivot assembly and a second half-pivot assembly, and the swing frame is rotatably suspended on the upper frame of the rack through the first half-pivot assembly and the second half-pivot assembly.

[0009] As an improvement to the present invention, the first slide seat is arranged on a first slide rail, the second slide seat is arranged on a second slide rail, and the first slide rail and the second slide rail are respectively arranged on both sides of the rack bottom frame.

[0010] As an improvement to the present utility model, the first front-rear movement and small swing angle driving cylinder and the second front-rear movement and small swing angle driving cylinder are hydraulic cylinders.

[0011] As an improvement to the present utility model, the number of the at least one swing angle driving cylinder is 1-4.

[0012] As an improvement to the utility model, the swing angle driving cylinder is a hydraulic cylinder.

[0013] As an improvement to the utility model, it further comprises a hydraulic station, which provides power for the first front-to-back movement and small swing angle drive cylinder, the second front-to-back movement and small swing angle drive cylinder and the swing angle drive cylinder.

[0014] As an improvement to the present invention, it further comprises a first supporting cylinder and a second supporting cylinder, wherein the first supporting cylinder and the second supporting cylinder are respectively arranged on both sides of the upper frame of the frame, and are used to controllably limit the retreat distance of the swing frame.

[0015] The utility model adopts the rocking frame driving system including a first forward and backward movement and small swing angle driving cylinder, a second forward and backward movement and small swing angle driving cylinder and at least one swing angle driving cylinder, the first forward and backward movement and small swing angle driving cylinder and the second forward and backward movement and small swing angle driving cylinder are symmetrically and parallelly arranged on the left and right sides of the frame bottom frame, a first sliding seat is provided at the first free end of the first push rod of the first forward and backward movement and small swing angle driving cylinder, a second sliding seat is provided at the second free end of the second push rod of the second forward and backward movement and small swing angle driving cylinder, the first sliding seat and the second sliding seat are connected by a transverse axis; the swing angle driving cylinder is connected to the transverse axis through the lower pivot of the swing angle driving cylinder, and the third free end of the third push rod of the swing angle driving cylinder is connected to the rear side of the rocking frame through the upper pivot of the swing angle driving cylinder. Therefore, the utility model has the advantage of greatly reducing the force of the hydraulic mechanism on the frame and reducing the risk of fatigue or breakage of the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main plane structure of an embodiment of the utility model.

[0017] Figure 2 yes Figure 1 A schematic diagram of the top plan structure of the embodiment shown. DETAILED DESCRIPTION

[0018] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] like Figure 1 and Figure 2 As shown, Figure 1 and Figure 2Disclosed is a first embodiment of a flipping drive mechanism of an online automatic enameling machine, comprising a frame 1, a swing frame 2 and a swing frame driving system 3, wherein the frame 1 comprises a frame bottom frame 11, a frame upper frame 12 and a frame side frame 13, and the swing frame 2 is rotatably suspended on the frame upper frame 12 through a suspension mechanism 4; the swing frame driving system 3 comprises a first forward and backward movement and small swing angle driving cylinder 31, a second forward and backward movement and small swing angle driving cylinder 32 and at least one swing angle driving cylinder 33, wherein the first forward and backward movement and small swing angle driving cylinder 31 and the second forward and backward movement and small swing angle driving cylinder 32 are symmetrically and parallelly arranged on the left and right sides of the frame bottom frame 11, and ... A first slide 312 is provided at the first free end of the first push rod 311 of 31, and a second slide 322 is provided at the second free end of the second push rod 321 of the second forward and backward movement and small swing angle driving cylinder 32, and the first slide 312 and the second slide 322 are connected by a horizontal axis 34 (in this embodiment, the horizontal axis 34 is a square tube); the swing angle driving cylinder 33 is connected to the horizontal axis 34 through a swing angle driving cylinder lower pivot 331, and the third free end of the third push rod 332 of the swing angle driving cylinder 33 is connected to the rear side of the swing frame 2 through a swing angle driving cylinder upper pivot 333 (in this embodiment, the swing angle driving cylinder upper pivot 333 is connected to the middle part of the rear side of the swing frame 2).

[0020] The utility model adopts the rocking frame driving system 3, which includes a first front-to-back moving and small swing angle driving cylinder 31, a second front-to-back moving and small swing angle driving cylinder 32 and at least one swing angle driving cylinder 33. The first front-to-back moving and small swing angle driving cylinder 31 and the second front-to-back moving and small swing angle driving cylinder 32 are symmetrically and parallelly arranged on the left and right sides of the frame bottom frame 11. A first sliding seat 312 is arranged at the first free end of the first push rod 311 of the first front-to-back moving and small swing angle driving cylinder 31. The second free end of the second push rod 321 of 2 is provided with a second slide seat 322, and the first slide seat 312 and the second slide seat 322 are connected by a transverse axis 34; the swing angle driving cylinder 33 is connected to the transverse axis 34 through the swing angle driving cylinder lower pivot 331, and the third free end of the third push rod 332 of the swing angle driving cylinder 33 is connected to the rear side of the swing frame 2 through the swing angle driving cylinder upper pivot 333. Therefore, the utility model has the advantage of greatly reducing the force of the hydraulic mechanism on the frame and reducing the risk of fatigue or breakage of the frame.

[0021] Preferably, the suspension mechanism 4 comprises a first semi-pivot assembly 41, a second semi-pivot assembly 42, a first suspension arm 43, a second suspension arm 44, a first suspension slide rail 45 and a second suspension slide rail 46, wherein the first suspension slide rail 45 and the second suspension slide rail 46 are respectively arranged on both sides of the frame upper frame 12, the first suspension arm 43 is suspended on the first suspension slide rail 45 through a pair of first suspension slide seats 431, and can reciprocate on the first suspension slide rail 45; the second suspension arm 44 is suspended on the second suspension slide rail 46 through a pair of second suspension slide seats 441, and can reciprocate on the second suspension slide rail 46; the first semi-pivot assembly 41 and the second semi-pivot assembly 42 are respectively arranged at the front ends of the first suspension arm 43 and the second suspension arm 44, which can realize the forward and backward translation of the swing frame 2 to prevent the swing frame 2 from interfering with the workpiece 6 (in this embodiment, the workpiece 6 is the inner tank of the water heater, the same below) when the workpiece is put on and put down.

[0022] Preferably, the first slide seat 312 is disposed on a first slide rail 313 , the second slide seat 322 is disposed on a second slide rail 323 , and the first slide rail 313 and the second slide rail 323 are respectively disposed on two sides of the rack bottom frame 11 .

[0023] Preferably, the first forward and backward movement and small swing angle driving cylinder 31 and the second forward and backward movement and small swing angle driving cylinder 32 are hydraulic cylinders.

[0024] Preferably, the at least one swing angle driving cylinder 33 is 1-4, that is, it can be selected from 1-4. In this embodiment, the swing angle driving cylinder 33 is 3.

[0025] Preferably, the swing angle driving cylinder 33 is a hydraulic cylinder.

[0026] Preferably, it also includes a hydraulic station 5, which provides power for the first front-to-back movement and small swing angle drive cylinder 31, the second front-to-back movement and small swing angle drive cylinder 32 and the swing angle drive cylinder 33.

[0027] Preferably, the first supporting cylinder 61 and the second supporting cylinder 62 (not shown) are further included, and the first supporting cylinder 61 and the second supporting cylinder 62 are respectively arranged on both sides of the frame upper frame 12, and are used to controllably limit the retreat distance of the swing frame 2. That is, in order to prevent the workpiece 6 from interfering with the swing frame 2 during the loading and unloading, before loading, the swing frame 2 should be properly retreated to transport the workpiece 6, and when the workpiece 6 is in place, the swing frame 2 should be properly moved forward to receive the workpiece 6.

[0028] The utility model also includes a second embodiment (not shown). Compared with the first embodiment, the second embodiment has the same general structure, except that the suspension mechanism 4 includes a first semi-pivot assembly 41 and a second semi-pivot assembly 42, and the swing frame 2 is rotatably suspended on the frame upper frame 12 by the first semi-pivot assembly 41 and the second semi-pivot assembly 42; in this case, in order to prevent the workpiece 6 from interfering with the swing frame 2 when the upper and lower pieces are moved, the workpiece 6 can be moved forward or backward to achieve this.

[0029] Although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic creative concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A turning drive mechanism for an online automatic enameling machine, comprising a frame (1), a swing frame (2) and a swing frame driving system (3), wherein the frame (1) comprises a frame bottom frame (11), a frame upper frame (12) and a frame side frame (13), and the swing frame (2) is rotatably suspended on the frame upper frame (12) via a suspension mechanism (4); characterized in that: The swing frame drive system (3) comprises a first forward and backward movement and small swing angle drive cylinder (31), a second forward and backward movement and small swing angle drive cylinder (32) and at least one swing angle drive cylinder (33), wherein the first forward and backward movement and small swing angle drive cylinder (31) and the second forward and backward movement and small swing angle drive cylinder (32) are symmetrically and parallelly arranged on the left and right sides of the frame bottom frame (11), and a first slide seat (312) is arranged at a first free end of a first push rod (311) of the first forward and backward movement and small swing angle drive cylinder (31). A second slide seat (322) is provided at the second free end of the second push rod (321) of the second forward and backward movement and small swing angle driving cylinder (32); the first slide seat (312) and the second slide seat (322) are connected via a transverse axis (34); the swing angle driving cylinder (33) is connected to the transverse axis (34) via a swing angle driving cylinder lower pivot (331); and the third free end of the third push rod (332) of the swing angle driving cylinder (33) is connected to the rear side of the swing frame (2) via a swing angle driving cylinder upper pivot (333).

2. The turning drive mechanism of the online automatic enamelling machine according to claim 1 is characterized in that : The suspension mechanism (4) comprises a first semi-pivot assembly (41), a second semi-pivot assembly (42), a first suspension arm (43), a second suspension arm (44), a first suspension slide rail (45) and a second suspension slide rail (46); the first suspension slide rail (45) and the second suspension slide rail (46) are respectively arranged on both sides of the frame upper frame (12); the first suspension arm (43) is suspended on the first suspension slide rail (45) through a pair of first suspension slide seats (431) and can reciprocate on the first suspension slide rail (45); the second suspension arm (44) is suspended on the second suspension slide rail (46) through a pair of second suspension slide seats (441) and can reciprocate on the second suspension slide rail (46); the first semi-pivot assembly (41) and the second semi-pivot assembly (42) are respectively arranged at the front ends of the first suspension arm (43) and the second suspension arm (44).

3. The turning drive mechanism of the online automatic enameling machine according to claim 1 is characterized in that The suspension mechanism (4) comprises a first half-pivot assembly (41) and a second half-pivot assembly (42), and the swing frame (2) is rotatably suspended on the frame upper frame (12) via the first half-pivot assembly (41) and the second half-pivot assembly (42).

4. The turning drive mechanism of the online automatic enamelling machine according to claim 1, 2 or 3, characterized in that The first slide seat (312) is arranged on a first slide rail (313), the second slide seat (322) is arranged on a second slide rail (323), and the first slide rail (313) and the second slide rail (323) are respectively arranged on two sides of a rack bottom frame (11).

5. The turning drive mechanism of the online automatic enamelling machine according to claim 1, 2 or 3, characterized in that The first forward and backward movement and small swing angle driving cylinder (31) and the second forward and backward movement and small swing angle driving cylinder (32) are hydraulic cylinders.

6. The turning drive mechanism of the online automatic enamelling machine according to claim 1, 2 or 3, characterized in that : The at least one swing angle driving cylinder (33) is 1-4.

7. The turning drive mechanism of the online automatic enamelling machine according to claim 1, 2 or 3, characterized in that The swing angle drive cylinder (33) is a hydraulic cylinder.

8. The turning drive mechanism of the online automatic enamelling machine according to claim 1, 2 or 3, characterized in that : It also includes a hydraulic station (5), which provides power for the first front-to-back movement and small swing angle drive cylinder (31), the second front-to-back movement and small swing angle drive cylinder (32) and the swing angle drive cylinder (33).

9. The turning drive mechanism of the online automatic enamelling machine according to claim 1, 2 or 3, characterized in that : It also includes a first supporting cylinder (61) and a second supporting cylinder (62), wherein the first supporting cylinder (61) and the second supporting cylinder (62) are respectively arranged on both sides of the frame upper frame (12) and are used to controllably limit the retreat distance of the swing frame (2).

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