Turnover drawing machine

Abstract

The utility model relates to a turnover drawing machine, and belongs to the technical field of casting. The device comprises a transmission mechanism, a turnover mechanism and a drawing mechanism, the turnover mechanism is installed on the transmission mechanism, and the drawing mechanism is installed on the turnover mechanism. The device is structurally characterized in that the transmission mechanism comprises a left driving supporting device, a right driving supporting device, a left driven supporting device, a right driven supporting device, a base, a driving motor and a transmission shaft, and the left driving supporting device, the right driving supporting device, the left driven supporting device and the right driven supporting device are all arranged on the base; the driving motor is connected with the left active supporting device, and the left active supporting device is connected with the right active supporting device through a transmission shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of turnover mold drawing machine, belong to foundry technical field. BACKGROUND

[0002] Turnover mold drawing machine, it is one of the key equipment used in resin sand molding process, its role is to separate mold and sand mold, the success or failure of this process directly affects sand quality. Turnover mold drawing machine is a kind of equipment suitable for resin sand or other self-hardening sand molding line, its working principle is scientific, easy to operate, and is widely used in foundry industry. At present, most turnover mold drawing machines are clamped by clamping plate, and the clamping plate is usually flat, so it cannot clamp the mold tightly. Therefore, the mold is easy to fall off during demolding. In view of this, a stable structure for turnover mold drawing machine is disclosed in patent document No. 202121996225.9. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned deficiencies in the prior art, and provides a turnover mold drawing machine with a reasonable structure design.

[0004] The technical solution adopted by the utility model to solve the above problems is as follows: the turnover mold drawing machine comprises a transmission mechanism, a turnover mechanism and a mold drawing mechanism. The turnover mechanism is installed on the transmission mechanism, and the mold drawing mechanism is installed on the turnover mechanism. The structure is characterized in that: the transmission mechanism comprises a left driving support device, a right driving support device, a left driven support device, a right driven support device, a base, a driving motor and a transmission shaft. The left driving support device, the right driving support device, the left driven support device and the right driven support device are all arranged on the base. The driving motor is connected to the left driving support device. The left driving support device and the right driving support device are connected by the transmission shaft.

[0005] Further, the left driving support device comprises a left driving roller, a left driving roller shaft, a left driving roller shaft seat and a left sprocket. The left driving roller shaft seat is arranged on the base. The left driving roller and the left sprocket are both arranged on the left driving roller shaft. The left driving roller shaft is arranged on the left driving roller shaft seat.

[0006] Further, the right driving support device comprises a right driving roller, a right driving roller shaft, a right driving roller shaft seat and a right sprocket. The right driving roller shaft seat is arranged on the base. The right driving roller and the right sprocket are both arranged on the right driving roller shaft. The right driving roller shaft is arranged on the right driving roller shaft seat.

[0007] Further, the left driven support device comprises a left driven roller, a left driven roller shaft and a left driven roller shaft seat. The left driven roller shaft seat is arranged on the base. The left driven roller is arranged on the left driven roller shaft. The left driven roller shaft is arranged on the left driven roller shaft seat.

[0008] Further, the right driven support device comprises a right driven roller, a right driven roller shaft and a right driven roller shaft seat, the right driven roller shaft seat is arranged on the base, the right driven roller is arranged on the right driven roller shaft, and the right driven roller shaft is arranged on the right driven roller shaft seat.

[0009] Further, the turnover mechanism comprises a left turnover wheel, a right turnover wheel, a left chain and a right chain, the left chain and the right chain are arranged on the outer walls of the left turnover wheel and the right turnover wheel respectively, the left turnover wheel is arranged on the left driving roller and the left driven roller, the right turnover wheel is arranged on the right driving roller and the right driven roller, and the left chain and the right chain are engaged with the left sprocket and the right sprocket respectively.

[0010] Further, the die lifting mechanism comprises an upper cross beam, a lower cross beam, a guide column, a guide sleeve, a lifting frame, a lifting oil cylinder, a belt conveyor, a conveying roller, a clamping device and a vibrator, the upper cross beam and the lower cross beam are arranged on the left turnover wheel and the right turnover wheel, the two ends of the guide column are fixed with the upper cross beam and the lower cross beam respectively, the guide sleeve is sleeved on the guide column, and the guide sleeve is fixed with the lifting frame, the cylinder barrel of the lifting oil cylinder is fixed on the lower cross beam, the piston rod of the lifting oil cylinder is connected with the lifting frame, the belt conveyor is arranged on the upper cross beam, and the conveying roller, the clamping device and the vibrator are arranged on the lifting frame.

[0011] Further, the clamping device comprises a clamping oil cylinder, a cylinder seat, a clamping claw and a clamping claw support, the cylinder seat and the clamping claw support are arranged on the lifting frame, the cylinder barrel of the clamping oil cylinder is hinged with the cylinder seat, the piston rod of the clamping oil cylinder is hinged with one end of the clamping claw, the other end of the clamping claw is hinged with the clamping claw support, and a clamping table is arranged on the clamping claw.

[0012] Compared with the prior art, the turnover die lifting machine has the following advantages: when the die is clamped, the clamping claw swings on the clamping claw support through the clamping oil cylinder, the die is clamped through the clamping table arranged on the clamping claw, and thus the die can be prevented from falling off during the process of turnover and vibration demolding, the left turnover wheel and the right turnover wheel are arranged on the left driving roller, the left driven roller, the right driving roller and the right driven roller respectively to synchronously drive the rotation thereof, and the operation is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a front view structural schematic diagram of the turnover die lifting machine of the utility model embodiment.

[0014] Figure 2 is a left view structural schematic diagram of the turnover die lifting machine of the utility model embodiment.

[0015] Figure 3 is a front view structural schematic diagram of the transmission mechanism of the utility model embodiment.

[0016] Figure 4 is the left view structure schematic diagram of the transmission mechanism of the embodiment of the utility model.

[0017] Figure 5 is the top view structure schematic diagram of the transmission mechanism of the embodiment of the utility model.

[0018] Figure 6 is the front view structure schematic diagram of the turnover mechanism of the embodiment of the utility model.

[0019] Figure 7 is the left view structure schematic diagram of the turnover mechanism of the embodiment of the utility model.

[0020] Figure 8 is the front view structure schematic diagram of the mold lifting mechanism of the embodiment of the utility model.

[0021] Figure 9 is the left view structure schematic diagram of the mold lifting mechanism of the embodiment of the utility model.

[0022] Figure 10 is the front view structure schematic diagram of the clamping device of the embodiment of the utility model.

[0023] In the drawing: transmission mechanism 1, turnover mechanism 2, mold lifting mechanism 3,

[0024] left active support device 11, right active support device 12, left driven support device 13, right driven support device 14, base 15, driving motor 16, transmission shaft 17,

[0025] left active roller 111, left active roller shaft 112, left active roller shaft seat 113, left sprocket 114,

[0026] right active roller 121, right active roller shaft 122, right active roller shaft seat 123, right sprocket 124,

[0027] left driven roller 131, left driven roller shaft 132, left driven roller shaft seat 133,

[0028] right driven roller 141, right driven roller shaft 142, right driven roller shaft seat 143,

[0029] left turnover wheel 21, right turnover wheel 22, left chain 23, right chain 24,

[0030] upper crossbeam 31, lower crossbeam 32, guide column 33, guide sleeve 34, lifting frame 35, lifting oil cylinder 36, belt conveyor 37, conveying roller 38, clamping device 39, vibrator 310,

[0031] clamping oil cylinder 391, oil cylinder seat 392, clamping claw 393, clamping claw support 394, clamping shaft 395. DETAILED DESCRIPTION

[0032] The utility model will be further explained in detail below in combination with the drawings and by examples. The following examples are an explanation of the utility model and the utility model is not limited to the following examples.

[0033] Embodiment

[0034] Reference Figures 1 to 10 It is understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art and are not used to limit the limiting conditions that the utility model can be implemented, so they do not have technical substantive significance. Any modification of structure, change of proportional relationship or adjustment of size, without affecting the effects that the utility model can produce and the purposes that the utility model can achieve, should still fall within the scope that the technical content disclosed by the utility model can cover. At the same time, if there are terms such as "upper", "lower", "left", "right", "middle" and "one" in the present specification, they are only for the convenience of clear description, not for limiting the scope that the utility model can be implemented, and the change or adjustment of relative relationship is also regarded as the scope that the utility model can be implemented without substantially changing the technical content.

[0035] The turnover mold-ejection machine in the embodiment comprises a transmission mechanism 1, a turnover mechanism 2 and a mold-ejection mechanism 3, the turnover mechanism 2 is installed on the transmission mechanism 1, the mold-ejection mechanism 3 is installed on the turnover mechanism 2, the transmission mechanism 1 comprises a left driving support device 11, a right driving support device 12, a left driven support device 13, a right driven support device 14, a base 15, a driving motor 16 and a transmission shaft 17, the left driving support device 11, the right driving support device 12, the left driven support device 13 and the right driven support device 14 are all arranged on the base 15, the driving motor 16 is connected with the left driving support device 11, and the left driving support device 11 is connected with the right driving support device 12 through the transmission shaft 17.

[0036] The left driving support device 11 in the embodiment comprises a left driving roller 111, a left driving roller shaft 112, a left driving roller shaft seat 113 and a left sprocket 114, the left driving roller shaft seat 113 is arranged on the base 15, the left driving roller 111 and the left sprocket 114 are both arranged on the left driving roller shaft 112, and the left driving roller shaft 112 is arranged on the left driving roller shaft seat 113.

[0037] The right driving support device 12 in the embodiment comprises a right driving roller 121, a right driving roller shaft 122, a right driving roller shaft seat 123 and a right sprocket 124, the right driving roller shaft seat 123 is arranged on the base 15, the right driving roller 121 and the right sprocket 124 are both arranged on the right driving roller shaft 122, and the right driving roller shaft 122 is arranged on the right driving roller shaft seat 123.

[0038] The left driven support device 13 in the embodiment comprises a left driven roller 131, a left driven roller shaft 132 and a left driven roller shaft seat 133, the left driven roller shaft seat 133 is arranged on the base 15, the left driven roller 131 is arranged on the left driven roller shaft 132, and the left driven roller shaft 132 is arranged on the left driven roller shaft seat 133.

[0039] The right driven support device 14 in the embodiment comprises a right driven roller 141, a right driven roller shaft 142 and a right driven roller shaft seat 143, the right driven roller shaft seat 143 is arranged on the base 15, the right driven roller 141 is arranged on the right driven roller shaft 142, and the right driven roller shaft 142 is arranged on the right driven roller shaft seat 143.

[0040] The turnover mechanism 2 in the embodiment comprises a left turnover wheel 21, a right turnover wheel 22, a left chain 23 and a right chain 24, the left chain 23 and the right chain 24 are arranged on the outer walls of the left turnover wheel 21 and the right turnover wheel 22 respectively, the left turnover wheel 21 is arranged on the left driven roller 131 and the left driven roller shaft 132, the right turnover wheel 22 is arranged on the right driven roller 141 and the right driven roller shaft 142, and the left chain 23 and the right chain 24 are engaged with the left sprocket 114 and the right sprocket 124 respectively.

[0041] The mold stripping mechanism 3 in the embodiment comprises an upper cross beam 31, a lower cross beam 32, a guide column 33, a guide sleeve 34, a lifting frame 35, a lifting oil cylinder 36, a belt conveyor 37, a conveying roller 38, a clamping device 39 and a vibrator 310, the upper cross beam 31 and the lower cross beam 32 are arranged on the left turnover wheel 21 and the right turnover wheel 22, the two ends of the guide column 33 are fixed with the upper cross beam 31 and the lower cross beam 32 respectively, the guide sleeve 34 is sleeved on the guide column 33, and the guide sleeve 34 is fixed with the lifting frame 35, the cylinder barrel of the lifting oil cylinder 36 is fixed on the lower cross beam 32, and the piston rod of the lifting oil cylinder 36 is connected with the lifting frame 35, the belt conveyor 37 is arranged on the upper cross beam 31, and the conveying roller 38, the clamping device 39 and the vibrator 310 are arranged on the lifting frame 35.

[0042] The clamping device 39 in the embodiment comprises a clamping oil cylinder 391, an oil cylinder seat 392, a clamping jaw 393 and a clamping jaw support 394, the oil cylinder seat 392 and the clamping jaw support 394 are arranged on the lifting frame 35, the cylinder barrel of the clamping oil cylinder 391 is hinged with the oil cylinder seat 392, the piston rod of the clamping oil cylinder 391 is hinged with one end of the clamping jaw 393, the other end of the clamping jaw 393 is hinged with the clamping jaw support 394, and a clamping table 395 is arranged on the clamping jaw 393.

[0043] Specifically, the left overturning wheel 21 is arranged on the left driving roller 111 and the left driven roller 131, and the right overturning wheel 22 is arranged on the right driving roller 121 and the right driven roller 141. The left driving roller 112 and the right driving roller 122 are driven by the transmission shaft 17, and the left driving roller 112, the transmission shaft 17 and the right driving roller 122 are driven to rotate by the driving motor 16, so that the left sprocket 114 and the right sprocket 124 rotate synchronously. Since the left sprocket 114 and the right sprocket 124 are engaged with the left chain 23 and the right chain 24 respectively, the left overturning wheel 21 can overturn on the left driving roller 111 and the left driven roller 131, and the right overturning wheel 22 can overturn on the right driving roller 121 and the right driven roller 141, and rotate stably by 180°.

[0044] The lifting frame 35 can be driven by the lifting oil cylinder 36 to realize the lifting of the lifting frame 35 along the guide column 33, and is constrained by the four parallel guide columns 33 to have a certain lifting track. The bottom of the lifting frame 35 is provided with a vibrator 310 for demolding, and the vibration source is in close contact with the mold plate by four cylinders.

[0045] The overturning mold stripping machine is usually arranged on a self-hardening sand molding line. The entry and exit roller beds (manual or motorized) at both ends are located in the same plane as the conveying roller 38 of the overturning mold stripping machine and are connected in a straight line. The overturning mold stripping action cycle and process of each pair of sand molds (including special mold plates and mold plates and sand boxes installed thereon) are as follows:

[0046] Preparation action: first overturn the overturning mold stripping machine by 180° in the empty state, so that the belt conveyor 37 is located between the lower entry and exit roller beds, and the upper mold plate is sent into the belt conveyor 37 to the correct position, and then the empty state is reversed to reset.

[0047] 1. The demoldable sand mold (connected with the mold plate) on the input roller bed is sent to the conveying roller 38 of the machine, the clamping jaw 393 is clamped by the clamping oil cylinder 391, the lifting frame 35 is lifted by the lifting oil cylinder 36, and the sand mold is lifted and pressed on the belt conveyor 37.

[0048] 2. After the overturning mechanism 2 is overturned by 180°, the belt conveyor 37 is turned to the lower side, that is, the positions of the belt conveyor 37 and the conveying roller 38 are exchanged.

[0049] 3. The vibrator 310 is started, the lifting oil cylinder 36 controls the lifting frame 35 to retreat, and the demolding detection device prompts whether the demolding is successful. If the demolding is not successful, the sand mold needs to be pressed again (or several times) and vibrated until the sand mold is completely demolded under the action of gravity and vibration and stays on the belt conveyor 37 (which is located at the lower side at this time).

[0050] 4. The lifting oil cylinder 36 controls the lifting frame 35 to retreat to the initial position (at this time, the lifting frame 35 is located at the upper side).

[0051] 5. Start the belt conveyor 37 to send the sand mould to the output end.

[0052] 6. The upper mould plate is returned to the belt conveyor 37.

[0053] 7. Reverse the rotation of the turnover mechanism 2 by 180° to reset.

[0054] 8. Start the conveying roller 38 to send the lower mould plate and the mould to the output end, thus completing a cycle of operation.

[0055] In addition, it should be noted that the specific embodiments described in the specification, the shape of the zero, the components, the name taken, etc. can be different, the above described in the specification is only an example of the structure of the utility model. Any equivalent changes or simple changes made according to the structure, features and principles described in the utility model patent concept are included in the protection scope of the utility model patent. The skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the specific embodiments described, as long as it does not deviate from the structure of the utility model or beyond the scope defined in the claims, which shall belong to the protection scope of the utility model.

Claims

1. A tilting knockout machine comprising a transmission mechanism (1), a tilting mechanism (2) and a knockout mechanism (3), the tilting mechanism (2) is installed on the transmission mechanism (1), the knockout mechanism (3) is installed on the tilting mechanism (2), characterized in that: The transmission mechanism (1) comprises a left driving support device (11), a right driving support device (12), a left driven support device (13), a right driven support device (14), a base (15), a driving motor (16) and a transmission shaft (17), the left driving support device (11), the right driving support device (12), the left driven support device (13) and the right driven support device (14) are arranged on the base (15), the driving motor (16) is connected with the left driving support device (11), and the left driving support device (11) is connected with the right driving support device (12) through the transmission shaft (17).

2. The roll-over mold draw machine of claim 1 wherein: The left driving support device (11) comprises a left driving roller (111), a left driving roller shaft (112), a left driving roller shaft seat (113) and a left sprocket (114), the left driving roller shaft seat (113) is arranged on the base (15), the left driving roller (111) and the left sprocket (114) are arranged on the left driving roller shaft (112), and the left driving roller shaft (112) is arranged on the left driving roller shaft seat (113).

3. The roll-over mold draw machine of claim 1 wherein: The right driving support device (12) comprises a right driving roller (121), a right driving roller shaft (122), a right driving roller shaft seat (123) and a right sprocket (124), the right driving roller shaft seat (123) is arranged on the base (15), the right driving roller (121) and the right sprocket (124) are arranged on the right driving roller shaft (122), and the right driving roller shaft (122) is arranged on the right driving roller shaft seat (123).

4. The roll-over mold draw machine of claim 1 wherein: The left driven support device (13) comprises a left driven roller (131), a left driven roller shaft (132) and a left driven roller shaft seat (133), the left driven roller shaft seat (133) is arranged on the base (15), the left driven roller (131) is arranged on the left driven roller shaft (132), and the left driven roller shaft (132) is arranged on the left driven roller shaft seat (133).

5. The roll-over mold draw machine of claim 1 wherein: The right driven support device (14) comprises a right driven roller (141), a right driven roller shaft (142) and a right driven roller shaft seat (143), the right driven roller shaft seat (143) is arranged on the base (15), the right driven roller (141) is arranged on the right driven roller shaft (142), and the right driven roller shaft (142) is arranged on the right driven roller shaft seat (143).

6. The kickout stripper as defined in claim 1, wherein: The turnover mechanism (2) comprises a left turnover wheel (21), a right turnover wheel (22), a left chain (23) and a right chain (24), the left chain (23) and the right chain (24) are arranged on the outer walls of the left turnover wheel (21) and the right turnover wheel (22) respectively, the left turnover wheel (21) is arranged on the left driving roller (111) and the left driven roller (131), the right turnover wheel (22) is arranged on the right driving roller (121) and the right driven roller (141), and the left chain (23) and the right chain (24) are engaged with the left sprocket (114) and the right sprocket (124) respectively.

7. The roll-over mold draw machine of claim 1 wherein: The die drawing mechanism (3) comprises an upper cross beam (31), a lower cross beam (32), a guide column (33), a guide sleeve (34), a lifting frame (35), a lifting oil cylinder (36), a belt conveyor (37), a conveying roller (38), a clamping device (39) and a vibrator (310), the upper cross beam (31) and the lower cross beam (32) are arranged on the left turnover wheel (21) and the right turnover wheel (22), the two ends of the guide column (33) are fixed with the upper cross beam (31) and the lower cross beam (32) respectively, the guide sleeve (34) is sleeved on the guide column (33), and the guide sleeve (34) is fixed with the lifting frame (35), the cylinder barrel of the lifting oil cylinder (36) is fixed on the lower cross beam (32), and the piston rod of the lifting oil cylinder (36) is connected with the lifting frame (35), the belt conveyor (37) is arranged on the upper cross beam (31), and the conveying roller (38), the clamping device (39) and the vibrator (310) are arranged on the lifting frame (35).

8. The roll-over mold draw machine of claim 7 wherein: The clamping device (39) comprises a clamping oil cylinder (391), an oil cylinder seat (392), a clamping claw (393) and a clamping claw support (394), the oil cylinder seat (392) and the clamping claw support (394) are arranged on the lifting frame (35), the cylinder barrel of the clamping oil cylinder (391) is hinged with the oil cylinder seat (392), the piston rod of the clamping oil cylinder (391) is hinged with one end of the clamping claw (393), the other end of the clamping claw (393) is hinged with the clamping claw support (394), and a clamping table (395) is arranged on the clamping claw (393).

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