Guide lever type overturning vibration core falling machine

Abstract

The invention discloses a guide lever type overturning vibration core falling machine, which belongs to the field of vibration core falling machines, and comprises an overturning device, a base, a clamping cylinder, a vibration device, a blocking device and an overturning speed reducer, the overturning device is fixed on the base, the overturning speed reducer is arranged on one side of the base and is connected with the overturning device, and the clamping cylinder is arranged on the base. The blocking device is arranged on the side, close to the turnover speed reducer, of the turnover device, the clamping air cylinder is fixed to the side, away from the blocking device, of the turnover device, and the vibration device is connected with the clamping air cylinder, arranged outside the turnover device in a sleeving mode and located between the clamping air cylinder and the blocking device. The machine structure is simplified while the strength is ensured; the axial vibration mode is adopted, the plane where the water channel and the air channel of the cylinder body are located is avoided, and sand discharging of inner core sand of the water channel and the air channel of the cylinder body is facilitated. A gas path adopts a rotary joint form, so that 360-degree rotation of a workpiece is realized, and the requirement of any sand discharging angle can be met.

Description

Technical Field

[0001] The invention relates to the technical field of vibrating core-dropping machines, in particular to a guide-bar type turning vibrating core-dropping machine. Background Art

[0002] The existing vibration core-dropping machine generally has a rotating disc flip form. The rotating disc vibration core-dropping machine occupies a large space, is difficult to process, has a high production cost, and has a complex structure. Most of the existing vibration core-dropping machines are radial vibrations, and the vibration surface is mostly the surface where the cylinder water channel and air channel opening are located, which is not conducive to the discharge of the core sand in the cylinder water channel and air channel, and has certain limitations in use. At the same time, due to the influence of the structure (air path, circuit, drag chain, etc.), the existing vibration core-dropping machine cannot realize 360-degree rotation of the workpiece, so it cannot meet the workpiece with specific sand discharge angle requirements.

[0003] Based on this, the present invention provides a guide rod type turning and vibrating core dropping machine. Summary of the invention

[0004] The purpose of the present invention is to provide a guide rod type turning and vibrating core dropping machine, which uses compressed air as the power. The vibrator vibrates the casting under the action of compressed air to loosen the core sand. At the same time, the turning reducer can drive the casting to turn 360°, and the core sand is discharged during the vibration and turning process.

[0005] To achieve the above-mentioned purpose, the present invention provides a guide rod type flipping and vibration core dropping machine, including a flipping device, a base, a clamping cylinder, a vibrating device, a blocking device and a flipping reducer, the flipping device is fixed on the base, the flipping reducer is arranged on one side of the base and is connected to the flipping device, the blocking device is arranged on the side of the flipping device close to the flipping reducer, the clamping cylinder is fixed on the side of the flipping device away from the blocking device, the vibration device is connected to the clamping cylinder, and is arranged outside the flipping device and located between the clamping cylinder and the blocking device.

[0006] Preferably, the flipping device includes a right swivel plate, a left swivel plate, a guide rod and a rotating joint. The rotating joint is arranged on the outside of the base away from the flipping reducer, and the rotating joint is connected to the right swivel plate through a right shaft head. The right shaft head passes through the base. There are two guide rods, one end of the two guide rods are respectively connected to the two ends of the right swivel plate, and the other ends of the two guide rods are respectively connected to the two ends of the left swivel plate. The left swivel plate is connected to the flipping reducer through the left shaft head through the base.

[0007] Preferably, each guide rod is provided with a plurality of fixing grooves at one end close to the left rotating plate, and the fixing grooves of the two guide rods correspond one to one, an air inlet is provided on the rotating joint, a first gas passage connected to the air inlet is provided inside the right shaft head, a second gas passage connected to the first gas passage is provided inside the right rotating plate, and an air outlet is provided at the top.

[0008] Preferably, the base includes a bracket, a lower bearing seat and an upper bearing cover. The front and rear of the bracket are U-shaped frame structures, and the left and right sides are ladder-shaped structures. There are two lower bearing seats, which are respectively arranged at the top ends of the left and right sides of the bracket. There are also two upper bearing covers, and the two upper bearing covers are respectively arranged on the upper sides of the two lower bearing seats. The left shaft head passes through the lower bearing seat and the upper bearing cover fixed on the left side of the bracket, and the right shaft head passes through the lower bearing seat and the upper bearing cover fixed on the right side of the bracket. Each lower bearing seat and upper bearing cover are fixed by two bolts, and a number of fixing plates are arranged at the bottom of the U-shaped frame before and after the bracket.

[0009] Preferably, the clamping cylinder includes a cylinder body, a connecting rod and a U-shaped clamping plate, the cylinder body is fixed to the side of the right rotating plate away from the right shaft head, the connecting rod is arranged at the end of the cylinder body away from the right rotating plate, and the end of the connecting rod close to the cylinder body is located inside the cylinder body, the U-shaped clamping plate is arranged at the end of the connecting rod away from the cylinder body, and is connected to the vibration device through a connecting shaft.

[0010] Preferably, the vibration device includes a vibrator, a hitter, a first pad and a pressure plate, one end of the vibrator is connected to the U-shaped clamping plate, and the other end is connected to the hitter, the end of the hitter away from the vibrator is connected to the first pad, the hitter and the first pad are both cylindrical structures, and the upper and lower areas of the hitter and the first pad are the same, the pressure plate is arranged on the upper side of the vibrator near the middle position of the hitter, and the pressure plate is connected to the air outlet of the right rotating plate through a vent pipe.

[0011] Preferably, the blocking device includes a block bracket, a block and a second pad, the block bracket is fixed on two corresponding fixing grooves on the two guide rods, the block is located on the side of the block bracket away from the left swivel plate, and the block bracket is connected to the block through two core rods, and the portion of each core rod located between the block and the block bracket is sleeved with a shock-absorbing spring, the second pad is arranged on the side of the block away from the block bracket, and the second pad is the same shape as the block, and a protective frame is sleeved on the outside of the blocking device when working.

[0012] Preferably, the flip reducer includes a reducer and a flip transmission device, the flip transmission device is connected to the left shaft head, the reducer is arranged on one side of the flip transmission device, and the lower side of the flip transmission device is fixed to the bracket through a fixing seat.

[0013] Therefore, the present invention adopts a guide rod type turning vibration core dropping machine with the above structure, which has a simple structure, small space occupation, good strength, low processing difficulty and low production cost. At the same time, the clamping cylinder, vibration device and blocking device are installed and fixed on the guide rod, and the functional components are effectively connected in series, which simplifies the machine structure while ensuring the strength; the axial vibration method is adopted to avoid the surface where the cylinder water channel and air channel are located, which is conducive to the discharge of the core sand in the cylinder water channel and air channel. The air path adopts a rotary joint form to realize the 360-degree rotation of the workpiece, which can meet the requirements of any sand discharge angle.

[0014] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of a guide rod type turning and vibrating core dropping machine of the present invention; Figure 2 This is a front view of a guide rod type turning and vibrating core dropping machine of the present invention when in operation; Figure 3 A diagram showing the relationship between a turning device and a base of a guide-bar type turning and vibrating core-dropping machine according to the present invention; Figure 4 It is a relationship diagram of a clamping cylinder, a vibrating device and a blocking device of a guide rod type turning and vibrating core dropping machine of the present invention; Figure 5 It is a position diagram of a turning reducer of a guide rod type turning vibration core dropping machine of the present invention; Reference numerals 1. Turning device; 11. Right rotating plate; 111. Air outlet; 112. Second air passage; 12. Left rotating plate; 13. Guide rod; 131. Fixing groove; 14. Rotating joint; 141. Air inlet; 15. Right shaft head; 151. First air passage; 16. Left shaft head; 2. Base; 21. Bracket; 22. Lower bearing seat; 23. Upper bearing cover; 24. Fixing plate; 3. Clamping cylinder; 31. Cylinder body; 32, connecting rod; 33, U-shaped clamping plate; 34, connecting shaft; 4, vibration device; 41, vibrator; 42, impact head; 43, first pad; 44, pressure plate; 5, blocking device; 51, block bracket; 52, block; 53, second pad; 54, shock-absorbing spring; 55, core rod; 6, flip reducer; 61, reducer; 62, flip transmission device; 63, fixed seat; 7, ventilation pipe; 8, protective frame. DETAILED DESCRIPTION

[0016] Example In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0022] like Figure 1-Figure 5As shown, the present invention is a guide rod type flip vibration core dropping machine, comprising a flip device 1, a base 2, a clamping cylinder 3, a vibrating device 4, a blocking device 5 and a flip reducer 6, the flip device 1 is fixed on the base 2, the flip reducer 6 is arranged on one side of the base 2 and is connected to the flip device 1, the blocking device 5 is arranged on the side of the flip device 1 close to the flip reducer 6, the clamping cylinder 3 is fixed on the side of the flip device 1 away from the blocking device 5, the vibrating device 4 is connected to the clamping cylinder 3, and is sleeved outside the flip device 1 and located between the clamping cylinder 3 and the blocking device 5.

[0023] The flipping device 1 includes a right rotating plate 11, a left rotating plate 12, a guide rod 13 and a rotating joint 14. The rotating joint 14 is arranged on the outside of the base 2 away from the flip reducer 6, and the rotating joint 14 is connected to the right rotating plate 11 through a right shaft head 15. The right shaft head 15 passes through the base 2. There are two guide rods 13, one end of the two guide rods 13 is respectively connected to the two ends of the right rotating plate 11, and the other ends of the two guide rods 13 are respectively connected to the two ends of the left rotating plate 12. The left rotating plate 12 is connected to the flip reducer 6 through the left shaft head 16 through the base 2.

[0024] A plurality of fixing grooves 131 are provided at one end of each guide rod 13 close to the left rotating plate 12, and the fixing grooves 131 of the two guide rods 13 correspond one to one. An air inlet is provided on the rotating joint 14, a first gas passage 151 connected to the air inlet is provided inside the right shaft head 15, a second gas passage 112 connected to the first gas passage 151 is provided inside the right rotating plate 11, and an air outlet 111 is provided at the top.

[0025] The base 2 includes a bracket 21, a lower bearing seat 22 and an upper bearing cover 23. The front and rear of the bracket 21 are U-shaped frame structures, and the left and right sides are ladder-shaped structures. There are two lower bearing seats 22, which are respectively arranged at the top ends of the left and right sides of the bracket 21. There are also two upper bearing covers 23, and the two upper bearing covers 23 are respectively arranged on the upper sides of the two lower bearing seats 22. The left shaft head 16 passes through the lower bearing seat 22 and the upper bearing cover 23 fixed on the left side of the bracket 21, and the right shaft head 15 passes through the lower bearing seat 22 and the upper bearing cover 23 fixed on the right side of the bracket 21. Each lower bearing seat 22 and the upper bearing cover 23 are fixed by two bolts, and a number of fixing plates 24 are arranged at the bottom of the U-shaped frame before and after the bracket 21.

[0026] The clamping cylinder 3 includes a cylinder body 31, a connecting rod 32 and a U-shaped clamping plate 33. The cylinder body 31 is fixed to the side of the right rotating plate 11 away from the right shaft head 15. The connecting rod 32 is arranged at the end of the cylinder body 31 away from the right rotating plate 11, and the end of the connecting rod 32 close to the cylinder body 31 is located inside the cylinder body 31. The U-shaped clamping plate 33 is arranged at the end of the connecting rod 32 away from the cylinder body 31, and is connected to the vibration device 4 through a connecting shaft 34.

[0027] The vibration device 4 includes a vibrator 41, a hitter 42, a first pad 43 and a pressure plate 44. One end of the vibrator 41 is connected to the U-shaped clamping plate 33, and the other end is connected to the hitter 42. The end of the hitter 42 away from the vibrator 41 is connected to the first pad 43. The hitter 42 and the first pad 43 are both cylindrical structures, and the upper and lower areas of the hitter 42 and the first pad 43 are the same. The pressure plate 44 is arranged on the upper side of the vibrator 41 near the middle position of the hitter 42, and the pressure plate 44 is connected to the air outlet 111 of the right rotating plate 11 through a ventilation pipe 7.

[0028] The blocking device 5 includes a block bracket 51, a block 52 and a second pad 53. The block bracket 51 is fixed on two corresponding fixing grooves 131 on the two guide rods 13. The block 52 is located on the side of the block bracket 51 away from the left rotating plate 12, and the block bracket 51 is connected to the block 52 through two core rods 55. The portion of each core rod 55 located between the block 52 and the block bracket 51 is sleeved with a shock-absorbing spring 54. The second pad 53 is arranged on the side of the block 52 away from the block bracket 51, and the second pad 53 has the same shape as the block 52. When working, a protective frame 8 is sleeved on the outside of the blocking device 5.

[0029] The flip reducer 6 includes a reducer 61 and a flip transmission device 62 . The flip transmission device 62 is connected to the left shaft head 16 . The reducer 61 is arranged on one side of the flip transmission device 62 . The lower side of the flip transmission device 62 is fixed to the bracket 21 through a fixing seat 63 .

[0030] During operation, the power supply is turned on for the reducer 61 in the flip reducer 6, and the gas source is turned on for the air inlet 141, and the components of the equipment are placed in the initial position. Then, the workpiece to be vibrated is placed in the protective frame 8 and connected to the blocking device 5. Then, the protective frame 8 is closed to start the device. Driven by the clamping cylinder 3, the vibration device 4 pushes the workpiece to be vibrated to move until the workpiece to be vibrated is clamped by the vibration device 4 and the blocking device 5. Then, the compressed gas enters the device through the air inlet 141 in the rotary joint 14, and enters the vibrator 41 through the first gas passage 151, the second gas passage 112, the air outlet 111 and the ventilation pipe 7. The vibrator 41 drives the impact head 42 and the first pad 43 to vibrate and starts to vibrate the workpiece.

[0031] After that, the reducer 61 in the flip reducer 6 starts to work, and the flip transmission device 62 works toward the left shaft head 16, driving the flip device 1, the clamping cylinder 3, the vibration device 4 and the blocking device 5 to rotate through the left shaft head 16, and rotating while vibrating. After reaching the set vibration time, the vibration stops, the flip part returns to its original position, and the flip reducer 6 stops.

[0032] Then the clamping cylinder 3 drives the vibrating device 4 back to the original position to release the workpiece, and finally the staff opens the protective frame 8 to take out the workpiece and puts in the next workpiece to be vibrated.

[0033] Therefore, the present invention adopts a guide rod type turning vibration core dropping machine with the above structure, which has a simple structure, small space occupation, good strength, low processing difficulty and low production cost. At the same time, the clamping cylinder, vibration device and blocking device are installed and fixed on the guide rod, and the functional components are effectively connected in series, which simplifies the machine structure while ensuring the strength; the axial vibration method is adopted to avoid the surface where the cylinder water channel and air channel are located, which is conducive to the discharge of the core sand in the cylinder water channel and air channel. The air path adopts a rotary joint form to realize the 360-degree rotation of the workpiece, which can meet the requirements of any sand discharge angle.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A guide rod type turning and vibrating core dropping machine, characterized in that: The utility model comprises a flipping device, a base, a clamping cylinder, a vibrating device, a blocking device and a flipping reducer. The flipping device is fixed on the base. The flipping reducer is arranged on one side of the base and is connected with the flipping device. The blocking device is arranged on the side of the flipping device close to the flipping reducer. The clamping cylinder is fixed on the side of the flipping device away from the blocking device. The vibrating device is connected with the clamping cylinder and is sleeved outside the flipping device and located between the clamping cylinder and the blocking device.

2. A guide rod type turning and vibrating core dropping machine according to claim 1, characterized in that: The flipping device includes a right swivel plate, a left swivel plate, a guide rod and a rotating joint. The rotating joint is arranged on the outside of the base away from the flip reducer, and the rotating joint is connected to the right swivel plate through the right shaft head. The right shaft head passes through the base. There are two guide rods, one end of the two guide rods is respectively connected to the two ends of the right swivel plate, and the other ends of the two guide rods are respectively connected to the two ends of the left swivel plate. The left swivel plate is connected to the flip reducer through the left shaft head through the base.

3. A guide rod type turning and vibrating core dropping machine according to claim 2, characterized in that: A plurality of fixing grooves are provided at one end of each guide rod close to the left rotating plate, and the fixing grooves of the two guide rods correspond to each other one by one. An air inlet is provided on the rotating joint, a first gas passage connected to the air inlet is provided inside the right shaft head, a second gas passage connected to the first gas passage is provided inside the right rotating plate, and an air outlet is provided at the top.

4. A guide rod type turning and vibrating core dropping machine according to claim 3, characterized in that: The base includes a bracket, a lower bearing seat and an upper bearing cover. The front and rear of the bracket are U-shaped frame structures, and the left and right sides are ladder-shaped structures. There are two lower bearing seats, which are respectively arranged at the top ends of the left and right sides of the bracket. There are also two upper bearing covers, and the two upper bearing covers are respectively arranged on the upper sides of the two lower bearing seats. The left shaft head passes through the lower bearing seat and the upper bearing cover fixed on the left side of the bracket, and the right shaft head passes through the lower bearing seat and the upper bearing cover fixed on the right side of the bracket. Each lower bearing seat and upper bearing cover are fixed by two bolts, and a number of fixing plates are arranged at the bottom of the U-shaped frame before and after the bracket.

5. A guide rod type turning and vibrating core dropping machine according to claim 4, characterized in that: The clamping cylinder includes a cylinder body, a connecting rod and a U-shaped clamping plate. The cylinder body is fixed on the side of the right rotating plate away from the right shaft head. The connecting rod is arranged at the end of the cylinder body away from the right rotating plate, and the end of the connecting rod close to the cylinder body is located inside the cylinder body. The U-shaped clamping plate is arranged at the end of the connecting rod away from the cylinder body and is connected to the vibration device through a connecting shaft.

6. A guide rod type turning and vibrating core dropping machine according to claim 5, characterized in that: The vibration device includes a vibrator, a collision head, a first pad and a pressure plate. One end of the vibrator is connected to the U-shaped clamping plate, and the other end is connected to the collision head. The end of the collision head away from the vibrator is connected to the first pad. The collision head and the first pad are both cylindrical structures, and the upper and lower areas of the collision head and the first pad are the same. The pressure plate is arranged on the upper side of the vibrator near the middle position of the collision head, and the pressure plate is connected to the air outlet of the right rotating plate through a ventilation pipe.

7. A guide rod type turning and vibrating core dropping machine according to claim 6, characterized in that: The blocking device includes a block bracket, a block and a second pad. The block bracket is fixed on two corresponding fixing grooves on the two guide rods. The block is located on the side of the block bracket away from the left slewing plate, and the block bracket is connected to the block through two core rods. The portion of each core rod located between the block and the block bracket is sleeved with a shock-absorbing spring. The second pad is arranged on the side of the block away from the block bracket, and the second pad has the same shape as the block. When working, a protective frame is sleeved on the outside of the blocking device.

8. The guide rod type turning and vibrating core dropping machine according to claim 7, characterized in that: The flip reducer comprises a reducer and a flip transmission device, the flip transmission device is connected to the left shaft head, the reducer is arranged on one side of the flip transmission device, and the lower side of the flip transmission device is fixed on the bracket through a fixing seat.

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