CN110877808A - Device capable of realizing accurate positioning of charging bucket - Google Patents

Abstract

The invention relates to a device capable of realizing accurate positioning of a charging basket. The rotary mechanism comprises a charging bucket, a rotary table, a push rod and a base, the driving mechanism comprises a swing arm, a collision block, a main torsion spring, a main driving lever, a main limiting block, a piston rod support, an air cylinder and an air cylinder seat, and the limiting mechanism comprises a rear stop lever, a rear limiting block, a rear support, a rear torsion spring, a front support, an adjustable bolt, a tension spring, a front stop lever, a rotating shaft and a front limiting lever. The swing arm is driven by the cylinder to move for a stroke, the swing arm drives the main driving lever to drive the push rod to rotate the turntable for a certain angle, the charging barrels uniformly distributed on the turntable rotate for a station along with the turntable, and the arranged front stop lever and the rear stop lever can ensure that the turntable is accurate and limited. The invention has simple structure, reliable operation and accurate positioning, shortens the material taking and weighing period from the current charging basket to the next charging basket, reduces the operation cost and improves the production efficiency.

Description

A device that can realize accurate positioning of material barrels

technical field

The invention relates to the technical field of ingredient weighing, in particular to a device that can realize accurate positioning of a material bucket.

Background technique

Rubber mixing is the first and most important production process in the manufacture of rubber products. The efficiency of rubber mixing directly affects the production efficiency of the entire rubber product. The general process of rubber mixing is: batching weighing, mixing, and quality testing of raw materials, including batching weighing of a large number of different types of small powders. In actual production, for general formulas, a fully automatic batching weighing system is usually used; for non-general formulas, in order to reduce equipment costs and reduce floor space, a fully manual batching weighing device or a semi-automatic batching weighing device is usually used. The current semi-automatic batching and weighing device is usually driven by a motor, which rotates the material barrel that needs to be weighed and reclaimed to a designated station. Due to the frequent start and stop of the motor, the service life of the motor is shortened, and due to the motion inertia of the motor, This makes it difficult to accurately locate the device, which not only increases the operating cost of ingredient weighing, but also affects the work efficiency of ingredient weighing. A device that can realize accurate positioning of the material barrel is proposed, including a rotating mechanism, a driving mechanism, and a limit mechanism. The swing arm is driven by a cylinder to move for a stroke, and the swing arm drives the main lever to drive the push rod to rotate the turntable to a certain angle. The material barrel placed on the turntable rotates for one station with the turntable, and the front stopper and rear stopper are set to ensure the precise limit of the material bucket. The invention has the advantages of simple structure, reliable operation and accurate positioning, shortens the material taking and weighing cycle from the current material barrel to the next material barrel, reduces the operation cost and improves the production efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device that can realize the accurate positioning of the material bucket. The swing arm is driven by a cylinder to move for one stroke, and the swing arm drives the main lever to drive the push rod to rotate the turntable at a certain angle. The buckets are evenly distributed on the turntable. That is, one station rotates with the turntable to achieve simple structure, reliable operation and accurate positioning, thereby shortening the weighing cycle from the current material barrel to the next material barrel, reducing operating costs and improving production efficiency.

In order to achieve this purpose, the present invention adopts the following technical scheme: a device that can realize accurate positioning of the material bucket, including a rotating mechanism, a driving mechanism, and a limiting mechanism. The rotating mechanism includes a barrel, a turntable, a push rod, and a base, and the driving mechanism includes a swing arm, a bumper, a main torsion spring, a main lever, a main limit block, a piston rod support, a cylinder, and a cylinder seat. The limit mechanism includes a rear stop rod, a rear limit block, a rear support, a rear torsion spring, a front support, an adjustable bolt, a tension spring, a front stop rod, a rotating shaft, and a front limit rod.

Further, the turntable is a regular octagonal structure, the turntable is sleeved on the central axis of the base through rolling bearings, 8 material buckets are evenly placed on the upper part of the turntable near the eight corners, and 1 pusher is vertically welded at the lower middle position of the eight sides of the turntable. The section of the rod, the push rod is quadrilateral.

Further, the cylinder is hinged on the cylinder seat, the cylinder seat is fixed on the base, one end of the piston rod support is hinged with the piston rod head of the cylinder, and the other end is fixed to the swing arm with bolts.

Further, one end of the swing arm is sleeved on the central axis of the base through a rolling bearing, driven by a cylinder and rotated around the center of the turntable, and the other end is provided with a main limit block and is hinged with the main lever, where the main lever and the swing arm are hinged. Equipped with a main torsion spring, the main lever is limited by the main limit block, one side of the swing arm is fixed with a bumper, and the bumper is made of hard rubber.

Further, the front stop rod rotates around the rotating shaft, the rotating shaft is located in the middle of the front stop rod and is fixed on the base, the front limit rod is located between the rotating shaft and the tension spring, and is fixed on the base, and one end of the tension spring is connected with the end of the front stop rod, The other end is fixed on the front support through adjustable bolts, the front support is fixed on the base, and the front stop rod is limited by the front limit rod.

Further, the end of the rear stop rod is hinged on the rear support, a rear torsion spring is installed at the hinge, the rear support is fixed on the base, and a rear limit block is arranged on the rear support, and the rear stop rod is limited by the rear. block limit.

Further, the working surface of the rear stop rod is in contact with the thrust surface of the push rod, the working surface of the front stop rod is in contact with the back side of the thrust surface of the push rod, and the central axes of the working surfaces of the rear stop rod and the front stop rod both point to the center of the turntable. When the piston rod advances one stroke, the bump just contacts the working surface of the front stop rod.

After adopting the technical scheme of the present invention, the following beneficial effects are brought:

According to the device of the present invention, which can realize the accurate positioning of the material bucket, the swing arm is driven by a cylinder to move for one stroke, and the swing arm drives the main lever to drive the push rod to rotate the turntable at a certain angle, and the material buckets evenly distributed on the turntable follow the same direction. The turntable rotates for one station, and the front and rear stop bars are set to ensure the precise limit of the material barrel. The purpose of simple structure, reliable operation and accurate positioning is achieved, the material taking and weighing cycle from the current material barrel to the next material barrel is shortened, the operation cost is reduced, and the production efficiency is improved.

Description of drawings

Fig. 1: The device structure schematic diagram of the present invention that can realize accurate positioning of the bucket;

Figure 2: The position diagram of each component after the cylinder piston rod is extended;

Figure 3: Enlarged schematic diagram of the rear stop lever;

Figure 4: Enlarged schematic diagram of the front stop lever;

Figure 5: An enlarged schematic diagram of the main lever.

Among them, 1. Material barrel, 2. Turntable, 3. Push rod, 4. Rear stop lever, 5. Rear limit block, 6. Rear support, 7. Rear torsion spring, 8. Front support, 9. Optional Adjusting bolt, 10, tension spring, 11, front stop lever, 12, rotating shaft, 13, front limit lever, 14, swing arm, 15, bumper, 16, main torsion spring, 17, main lever, 18, main Limit block, 19, piston rod support, 20, cylinder, 21, cylinder seat, 22, base.

Detailed ways

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

With reference to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5, a device that can achieve accurate positioning of a material bucket includes a rotating mechanism, a driving mechanism, and a limiting mechanism. The rotating mechanism includes a bucket 1, a turntable 2, a push rod 3, and a base 22. The driving mechanism includes a swing arm 14, a bumper 15, a main torsion spring 16, a main lever 17, a main limit block 18, and a piston rod. Support 19, cylinder 20, cylinder seat 21, the limit mechanism includes rear stop rod 4, rear limit block 5, rear support 6, rear torsion spring 7, front support 8, adjustable bolt 9, tension spring 10. Front stop rod 11, rotating shaft 12, front limit rod 13. The turntable 2 is a regular octagonal structure, the turntable 2 is sleeved on the central axis of the base 22 through a rolling bearing, and eight buckets 1 are evenly placed on the upper part of the turntable 2 near the eight corners, and in the middle of the lower part of the eight sides of the turntable 2 One push rod 3 is welded vertically at each position, and the cross section of the push rod 3 is quadrilateral. The cylinder 20 is hinged on the cylinder base 21, the cylinder base 21 is fixed on the base 22, one end of the piston rod support 19 is hinged with the piston rod head of the cylinder 20, and the other end is fixed to the swing arm with bolts 14 on. One end of the swing arm 14 is sleeved on the central axis of the base 22 through a rolling bearing, driven by the cylinder 20 and rotates around the center of the turntable 2, and the other end is provided with a main stop block 18 and is hinged with the main lever 17, the A main torsion spring 16 is installed at the hinge joint between the main lever 17 and the swing arm 14 , the main lever 17 is limited by the main stop block 18 , and a bumper 15 is fixed on one side of the swing arm 14 . The block 15 is made of hard rubber. The front stop lever 11 rotates around a rotating shaft 12 , the rotating shaft 12 is located in the middle of the front stop lever 11 and is fixed on the base 22 , and the front limit rod 13 is located between the rotating shaft 12 and the tension spring 10 , and is fixed on the base 22 , one end of the tension spring 10 is connected with the end of the front stop rod 11, the other end is fixed on the front support 8 through the adjustable bolt 9, the front support 8 is fixed on the base 22, the front stop rod 11 It is limited by the front limit rod 13 . The end of the rear stop rod 4 is hinged on the rear support 6, and a rear torsion spring 7 is installed at the hinged joint. The rear support 6 is fixed on the base 22, and a rear limit block is arranged on the rear support 6. 5. The rear stop rod 4 is limited by the rear limit block 5 . The working surface of the rear stop rod 4 is in contact with the thrust surface of the push rod 3, the working surface of the front stop rod 11 is in contact with the back of the thrust surface of the push rod 3, and the rear stop rod 4 and the front stop rod 11 are in contact with each other. The central axis of the working surface all points to the center of the turntable 2 , and the bumper 15 just contacts the working surface of the front stop rod 11 when the piston rod of the cylinder 20 advances for one stroke.

1 , 2 , 3 , 4 and 5 , before the action of the air cylinder 20 starts, the piston rod of the air cylinder 20 is in a retracted state, and the main lever 17 is pressed against the main torsion spring 16 under the action of the main torsion spring 16 . On the limit block 18 , the main lever 17 is located on the thrust surface side of the push rod 3 , the front stop lever 11 is close to the front limit lever 13 under the action of the tension spring 10 , and the front stop lever 11 is located at the thrust of the push rod 3 . The back of the face prevents the turntable 2 from rotating counterclockwise, the push rod 3 at the position of the front stop lever 11 is adjacent to the push rod 3 at the position of the main lever 17, and the rear stop lever 4 is pressed against the rear limit by the action of the rear torsion spring 7. On the position block 5, the rear stop rod 4 is located on the thrust surface side of the push rod 3 to prevent the turntable 2 from rotating clockwise. When the material barrel 1 at the operating station has been weighed and the next material barrel 1 needs to be replenished to the current operating station, the piston rod of the cylinder 20 fixed on the cylinder base 21 on the base extends out, and the hinged The piston rod support 19 drives the swing arm 14 and drives the main lever 17 to rotate together, the piston rod travels a stroke, the main lever 17 contacts the thrust surface of the push rod 3, and pushes the push rod 3 together with the turntable 2 and the barrel on it. 1 Rotate 22.5° counterclockwise, that is, one station. At the same time, the rotation of the main push rod 3 causes the front block rod 11 to be stressed, the front block rod 11 overcomes the pulling force of the tension spring 10 and rotates counterclockwise around the rotating shaft 12, the push rod 3 rotates over the front block rod 11, and the front block rod 11 leaves the push rod After 3, it is turned back to the initial position under the action of the tension spring 10. When the stroke of the piston rod of the cylinder 20 is about to end, the main push rod 3 rotating counterclockwise touches the rear stop rod 4 fixed on the rear support 6, and the rear stop rod 4 overcomes the spring force of the rear torsion spring 7 and rotates counterclockwise over the Push rod 3, and then under the action of the spring force of the rear torsion spring 7, the rear stop rod 4 rotates and resets. When the stroke of the piston rod of the cylinder 20 ends, the rear stop rod 4 just touches the thrust surface of the push rod 3 to avoid possible occurrence of The turntable 2 rotates clockwise. In addition, when the stroke of the piston rod of the air cylinder 20 ends, the swing arm 14 together with the main lever 17 stops rotating, and the bumper 15 fixed on the side of the swing arm 14 just contacts the working surface of the front stop rod 11. At this time, the push rod 3 is also located between the main lever 17 and the front stop lever 11. Under the restriction of the front limit lever 13, the turntable 2 is precisely fixed, and the bucket 1 rotates exactly one station at this time. Then the weighing of ingredients can be performed. At the same time, the piston rod of the cylinder 20 retracts, and the swing arm 14 is driven to rotate clockwise together with the main lever 17. When the stroke is about to end, the back of the main lever 17 touches the next push rod. After the lever 3, the main lever 17 overcomes the spring force of the main torsion spring 16, and after rotating over the push rod 3, the main lever 17 is reset under the action of the spring force of the main torsion spring 16. When the piston rod of the air cylinder 20 is retracted to the original position , the swing arm 14 is rotated to the initial position. After the batching of the bucket 1 at the operating station is finished, the above actions are repeated, and the next batch of the bucket 1 can be weighed. Since the rear stop lever 4 limits the clockwise rotation of the turntable 2 and the front stop lever 11 limits the counterclockwise rotation of the turntable 2 , the position of the bucket 1 at the operating station is accurate every time.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, various modifications and improvements can be made without departing from the principles of the present invention, which should also be regarded as the present invention. the scope of protection of the invention.

Claims (7)

1. The utility model provides a can realize device of storage bucket accurate positioning, includes rotary mechanism, actuating mechanism, stop gear, characterized by: the rotary mechanism comprises a charging barrel (1), a rotary table (2), a push rod (3) and a base (22), the driving mechanism comprises a swing arm (14), a collision block (15), a main torsion spring (16), a main shift lever (17), a main limiting block (18), a piston rod support (19), an air cylinder (20) and an air cylinder seat (21), and the limiting mechanism comprises a rear stop lever (4), a rear limiting block (5), a rear support (6), a rear torsion spring (7), a front support (8), an adjustable bolt (9), a tension spring (10), a front stop lever (11), a rotary shaft (12) and a front limiting lever (13).

2. The device for realizing accurate positioning of the charging basket according to claim 1, wherein: the rotary table (2) is of a regular octagonal structure, the rotary table (2) is sleeved on a central shaft of the base (22) through a rolling bearing, 8 charging barrels (1) are uniformly placed on the upper portion of the rotary table (2) close to eight angular positions, 1 push rod (3) is vertically welded to the middle positions of the lower portions of eight sides of the rotary table (2), and the cross section of each push rod (3) is quadrilateral.

3. The device for realizing accurate positioning of the charging basket according to claim 1, wherein: the air cylinder (20) is hinged to an air cylinder seat (21), the air cylinder seat (21) is fixed to a base (22), one end of the piston rod support (19) is hinged to the head of a piston rod of the air cylinder (20), and the other end of the piston rod support is fixedly connected to the swing arm (14) through a bolt.

4. The device for realizing accurate positioning of the charging basket according to claim 1, wherein: the one end of swing arm (14) is passed through antifriction bearing cover on the center pin of base (22), is driven and uses carousel (2) center as the centre of a circle rotation by cylinder (20), and the other end is equipped with main stopper (18) and articulates with main driving lever (17), main torsional spring (16) are equipped with swing arm (14) articulated department in main driving lever (17), it is spacing by main stopper (18) main driving lever (17), one side rigid coupling of swing arm (14) has to bump piece (15), bump piece (15) material is hard rubber.

5. The device for realizing accurate positioning of the charging basket according to claim 1, wherein: preceding pin (11) revolute axle (12) and rotate, pin (11) middle part before pivot (12) are located fixes on base (22), preceding gag lever post (13) are located between pivot (12) and extension spring (10), fix on base (22), the end-to-end connection of one end and preceding pin (11) of extension spring (10), the other end passes through adjustable bolt (9) and fixes in the front on support (8), preceding support (8) are fixed on base (22), preceding pin (11) are spacing through preceding gag lever post (13).

6. The device for realizing accurate positioning of the charging basket according to claim 1, wherein: the end of back pin (4) articulates on rear support (6), is equipped with back torsional spring (7) in articulated department, rear support (6) are fixed on base (22), are equipped with back spacing piece (5) on rear support (6), back pin (4) are spacing by back spacing piece (5).

7. The device for realizing accurate positioning of the charging basket according to claim 1, wherein: the working face of back pin (4) and the thrust face contact of push rod (3), the working face of preceding pin (11) and the back contact of the thrust face of push rod (3), the working face central axis of back pin (4) and preceding pin (11) all points to carousel (2) center, bump piece (15) when the piston rod of cylinder (20) advances a stroke and just in time contact with the working face of preceding pin (11).

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