JP2021076574A - Weighing device used in medicine production line - Google Patents

Abstract

To provide a weighing device to be used in a medicine production line.SOLUTION: A weighing device to be used in a medicine production line includes a weighing block. In the weighing block, a workspace is provided, and the workspace includes a gripping mechanism. The gripping mechanism includes a vertical shaft provided in a rotatable manner on an upper wall of the workspace. On the vertical shaft, two pieces of conveyance blocks are provided in bilateral symmetry. Taking the left conveyance block as an example, a lateral groove is formed in the conveyance block, and a gripping block capable of moving to the right and left is provided in the lateral groove, a lateral shaft is provided in a rotatable manner on a rear wall of the lateral groove, and a reel and a contact gear are fixedly provided in order from the rear to the front on the lateral shaft, and a thin wire is wound onto the reel.SELECTED DRAWING: Figure 1

Description

The present invention deals with the field of chemical weighing, and particularly relates to a weighing device used in a chemical production line.

In the pharmaceutical industry, drugs are basically packaged separately and the dosage is specified. In the production and processing of chemicals, after packaging the chemicals, it is necessary to further weigh the chemical bags so that the chemical bags are not overloaded or underweight. However, in the existing technology, the weighing means for the chemical bag is manually weighed one by one, which is inefficient and costly.

Chinese Patent Application Publication No. 108613724

The purpose is to provide a weighing device used for a chemical production line and to solve problems such as efficiency of artificial measurement and error of artificial measurement.

The present invention is realized by the following technical solutions.

The weighing device used in the chemical production line described in the present application includes a weighing block, a working space is provided in the weighing block, the working space includes a holding mechanism, and the holding mechanism is an upper wall of the working space. Includes a rotatably provided vertical axis, and two transport blocks are provided symmetrically on the vertical axis. Taking the transport block on the left as an example, a horizontal groove is contained in the transport block. Is formed, a holding block that can move left and right is provided in the horizontal groove, a horizontal axis is rotatably provided on the rear wall of the horizontal groove, and the horizontal axis contacts the reel in order from the rear to the front. A gear is fixedly provided, a fine wire is wound around the reel, a fixed block is fixedly provided on the lower wall of the lateral groove, the fixed block is provided on the right side of the holding block, and the holding block is provided. The thin wire is connected to the right side of
A transport mechanism is provided on the right side of the holding mechanism, and the transport mechanism includes a bevel gear shaft rotatably provided on the rear wall of the work space, and the captive gear shaft includes a driven cap gear and a first pulley. The first pulley is provided on the rear side of the driven umbrella gear, the first belt is wound around the first pulley, and the first transmission shaft is on the rear wall of the work space. The first transmission shaft is rotatably provided, and the second pulley and the third pulley are fixedly provided on the first transmission shaft in order from the rear to the front, and the first belt is wound around the second pulley. A first transport belt is wound around the three pulleys, a second transmission shaft is rotatably provided on the rear wall of the work space, and the first pulley and the fourth transmission shaft are rotatably provided on the second transmission shaft from the rear to the front. A pulley is fixedly provided, a second belt is wound around the first pulley, the first transport belt is wound around the fourth pulley, and the first transport belt rotates to apply chemicals. Send it inside the invention for measurement,
A measuring mechanism is provided below the transport mechanism, the measuring mechanism includes a measuring groove formed on the rear wall of the work space, and a measuring block that can move up and down is provided in the measuring groove. The lower surface of the measurement block and the lower wall of the measurement groove are connected by a measurement spring, and two measurement spaces are provided in the measurement block so as to be symmetrical. Taking the measurement space on the left as an example, A vertical groove is formed in the rear wall of the measurement space, a thrust rod that can move up and down is provided in the vertical groove, and the lower surface of the thrust rod and the lower wall of the vertical groove are connected by a repositioning spring. , The measuring block moves up and down to weigh the chemicals.

Preferably, the pinching mechanism includes an urging rod, two urging rods are fixedly provided on the upper wall of the working space, and the two urging rods are provided on both left and right sides of the vertical axis. It is provided so as to be symmetrical, a repositioning groove is formed in the rear wall of the lateral groove, a measuring rod that can move up and down is provided in the repositioning groove, and the lower surface of the measuring rod and the lower wall of the repositioning groove Is connected by a thrust spring, a transmission bevel gear is fixedly provided on the vertical axis, the transmission bevel gear is provided on the lower side of the transport block, and a through groove is provided on the left wall of the work space. It is formed so as to penetrate the left wall of the work space to the left and right, and the right surface of the holding block and the left surface of the fixed block are connected by a holding spring, and the holding block moves left and right to hold chemicals in the production line. ..

Preferably, the transport mechanism further includes a waste frame provided on the lower wall of the work space, a waste space is provided in the waste frame, and a third transmission is provided on the rear wall of the work space. A shaft is rotatably provided, a fifth pulley and a sixth pulley are fixedly provided on the third transmission shaft in order from the rear to the front, and the second belt is wound around the fifth pulley. A second transport belt is wound around the sixth pulley, a fourth transmission shaft is fixedly provided on the rear wall of the work space, and a seventh pulley is rotatably provided on the fourth transmission shaft. The second transport belt is wound around the seventh pulley, a motor is fixedly provided on the left wall of the work space, and a motor shaft is rotatably provided on the right surface of the motor. The shaft is provided with a motor bevel gear and a connecting bevel gear in order from left to right.

Preferably, the measuring mechanism further includes an air frame fixed to the rear surface of the moving space, the moving space is provided on the rear surface of the weighing block, the air space is provided in the air frame, and the air is provided. A sealing plate that can move up and down is provided in the space, the front surface of the sealing plate is fixed to the rear surface of the measuring block, and the front wall of the air space has a first measuring hole, a second measuring hole, and a third. A measurement hole is provided, a vent is provided on the lower wall of the air frame, the first measurement hole and the third measurement hole communicate with the vertical groove on the right, and the second measurement hole is on the left. The three measuring holes have the same configuration, and the right wall of the second measuring hole is provided with a rotating space that opens to the left, taking the second measuring hole as an example. A fixing rod is fixedly provided on the front wall of the rotating space, a sealing block is rotatably provided on the fixing rod, and the sealing block and the fixing rod are connected by a torsion spring. Taking the measurement space on the left as an example, a pin is fixedly provided on the rear wall of the measurement space, a thrust plate is rotatably provided on the pin, and the lower surface of the thrust plate opens downward. A rotating groove is formed, a pin column is fixedly provided on the rear wall of the rotating groove, and the thrust rod is rotatably provided on the pin column.

Preferably, the repositioning spring, the measuring spring, and the torsion spring are in a free state, the thrust spring and the holding spring are in a compressed state, and the torsion spring in the first measurement hole is the second measurement. The elasticity of the torsion spring in the hole is weaker than that of the torsion spring in the hole, and the elasticity of the torsion spring in the second measurement hole is weaker than that of the torsion spring in the third measurement hole.

Preferably, the vent allows air to enter the air space only upwards, and the air in the air space cannot go outside the invention through the vent.

The present invention has the following positive effects: The present invention is easy to operate, and if the present invention is attached to a specific position and operated, the present invention transports a chemical on the production line into the invention for measurement. In the event of overweight or underweight chemicals, the present invention discards these chemicals in a waste frame and returns only acceptable chemicals to the production line.

In order to explain the present invention in detail and conveniently explain the present invention together with FIGS. 1 to 8 below, each direction described in the present application is defined as follows: FIG. 1 is a front view of the present invention and is described in the present application. Each of the described directions is based on the observation direction in FIG.

FIG. 1 is a schematic front view of the entire cross section of the present invention. FIG. 2 is a schematic rear view of the entire cross section of FIG. FIG. 3 is an enlarged schematic view of part A in FIG. FIG. 4 is a schematic view from the B direction in FIG. FIG. 5 is a schematic view from the CC direction in FIG. FIG. 6 is a schematic view of the rear side of the D portion in FIG. FIG. 7 is a schematic view from the EE direction in FIG. FIG. 8 is a schematic view from the FF direction in FIG.

With reference to FIGS. 1 to 8, the weighing device used in the chemical production line described in the present application includes a weighing block 11, a working space 10 is provided in the weighing block 11, and the working space 10 is a holding mechanism 75. The holding mechanism 75 includes a vertical axis 21 rotatably provided on the upper wall of the work space 10, and two transport blocks 17 are provided on the vertical axis 21 so as to be symmetrical. Taking the transport block 17 on the left as an example, a lateral groove 18 is formed in the transport block 17, a holding block 50 that can move left and right is provided in the lateral groove 18, and the rear wall of the lateral groove 18 is provided. The horizontal shaft 73 is rotatably provided, the reel 72 and the contact gear 52 are fixedly provided on the horizontal shaft 73 in order from the rear to the front, and a thin wire 51 is wound around the reel 72, and the horizontal groove is formed. A fixed block 55 is fixedly provided on the lower wall of 18, the fixed block 55 is provided on the right side of the sandwiching block 50, and the thin wire 51 is connected to the right surface of the sandwiching block 50.
A transport mechanism 77 is provided on the right side of the holding mechanism 75, and the transport mechanism 77 includes a bevel gear shaft 43 rotatably provided on the rear wall of the work space 10, and is driven by the bevel gear shaft 43. The bevel gear 42 and the first pulley 47 are fixedly provided, the first pulley 47 is provided on the rear side of the driven cap gear 42, and the first belt 48 is wound around the first pulley 47. A first transmission shaft 24 is rotatably provided on the rear wall of the work space 10, and a second pulley 49 and a third pulley 23 are fixedly provided on the first transmission shaft 24 in order from the rear to the front. The first belt 48 is wound around the second pulley 49, the first transport belt 25 is wound around the third pulley 23, and the second transmission shaft 27 rotates on the rear wall of the work space 10. A first pulley 47 and a fourth pulley 26 are fixedly provided on the second transmission shaft 27 in order from the rear to the front, and a second belt 46 is wound around the first pulley 47. The first transport belt 25 is wound around the fourth pulley 26, and the first transport belt 25 rotates to send chemicals into the inside of the present invention for measurement.
A measuring mechanism 76 is provided below the transport mechanism 77, and the measuring mechanism 76 includes a measuring groove 38 formed on the rear wall of the work space 10, and can move up and down in the measuring groove 38. A measurement block 33 is provided, and the lower surface of the measurement block 33 and the lower wall of the measurement groove 38 are connected by a measurement spring 37 so that the two measurement spaces 36 are symmetrical in the measurement block 33. Taking the measurement space 36 on the left as an example, a vertical groove 39 is formed in the rear wall of the measurement space 36, and a thrust rod 58 that can move up and down is provided in the vertical groove 39. The lower surface of the rod 58 and the lower wall of the vertical groove 39 are connected by a repositioning spring 35, and the measuring block 33 moves up and down to weigh the chemical.

Advantageously, the pinching mechanism 75 includes an urging rod 19, two urging rods 19 are fixedly provided on the upper wall of the working space 10, and the two urging rods 19 are fixed. The vertical axis 21 is provided so as to be symmetrical on both the left and right sides, a repositioning groove 54 is formed on the rear wall of the lateral groove 18, and a vertically movable measuring rod 20 is provided in the repositioning groove 54. The lower surface of the measuring rod 20 and the lower wall of the repositioning groove 54 are connected by a thrust spring 53, a transmission bevel gear 15 is fixedly provided on the vertical axis 21, and the transmission bevel gear 15 is the transport block 17. A through groove 16 is formed on the lower side of the left wall of the work space 10 so as to penetrate the left wall of the work space 10 to the left and right, and the right surface of the sandwiching block 50 and the left surface of the fixed block 55. Is connected by a holding spring 56, and the holding block 50 moves left and right to hold chemicals on the production line.

Advantageously, the transport mechanism 77 further includes a waste frame 41 provided on the lower wall of the work space 10, and a waste space 40 is provided in the waste frame 41, and the work space 10 is provided. A third transmission shaft 29 is rotatably provided on the rear wall, and a fifth pulley 45 and a sixth pulley 28 are fixedly provided on the third transmission shaft 29 in order from the rear to the front. The second belt 46 is wound around the five pulleys 45, the second transport belt 30 is wound around the sixth pulley 28, and the fourth transmission shaft 32 is fixedly provided on the rear wall of the work space 10. A seventh pulley 31 is rotatably provided on the fourth transmission shaft 32, the second transport belt 30 is wound around the seventh pulley 31, and a motor 13 is mounted on the left wall of the work space 10. It is fixedly provided, a motor shaft 14 is rotatably provided on the right surface of the motor 13, and a motor bevel gear 12 and a connecting bevel gear 44 are provided on the motor shaft 14 in order from left to right. ing.

Advantageously, the measuring mechanism 76 further includes an air frame 62 fixed to the rear surface of the moving space 81, the moving space 81 is provided on the rear surface of the weighing block 11, and the air frame 62 contains the moving space 81. An air space 61 is provided, a sealing plate 64 that can move up and down is provided in the air space 61, the front surface of the sealing plate 64 is fixed to the rear surface of the measurement block 33, and the front wall of the air space 61 is provided. Is provided with a first measurement hole 66, a second measurement hole 63, and a third measurement hole 67, and a vent 65 is provided on the lower wall of the air frame 62, and the first measurement hole 66 and the third measurement are provided. The hole 67 communicates with the vertical groove 39 on the right, the second measuring hole 63 communicates with the vertical groove 39 on the left, and the three measuring holes have the same configuration and the second measuring hole. Taking 63 as an example, a rotating space 71 that opens to the left is provided on the right wall of the second measurement hole 63, and a fixing rod 69 is fixedly provided on the front wall of the rotating space 71. A sealing block 68 is rotatably provided on the fixed rod 69, and the sealing block 68 and the fixed rod 69 are connected by a torsion spring 70, and the measurement space 36 on the left is taken as an example after the measurement space 36. A pin 59 is fixedly provided on the wall, a thrust plate 57 is rotatably provided on the pin 59, and a rotation groove 80 that opens downward is formed on the lower surface of the thrust plate 57. A pin column 60 is fixedly provided on the rear wall of the moving groove 80, and the thrust rod 58 is rotatably provided on the pin column 60.

Advantageously, the repositioning spring 35, the measuring spring 37, and the twisting spring 70 are in a free state, and the thrusting spring 53 and the holding spring 56 are in a compressed state, and the first measuring hole 66 is located. The torsion spring 70 is weaker in elasticity than the torsion spring 70 in the second measurement hole 63, and the torsion spring 70 in the second measurement hole 63 is more elastic than the torsion spring 70 in the third measurement hole 67. Is weak.

Advantageously, the air vent 65 allows air to enter the air space 61 only upwards, and the air in the air space 61 cannot go outside the present invention through the vent 65.

The operating procedure of the present invention is as follows.

1. The present invention is placed at a specific position, the motor 13 is operated, the motor shaft 14 is driven by the motor 13 to rotate, the motor cap gear 12 is rotated, and the motor cap gear 12 is further meshed to transmit the transmission cap gear. 15 is rotated, the vertical axis 21 is rotated along with the transmission umbrella gear 15, the transport block 17 is rotated, the measuring rod 20 is rotated along with the transport block 17, and when it is rotated to a specific position, the measuring rod 20 is turned into the urging rod 19. Pushed down.

2. The measuring rod 20 is lowered, the contact gear 52 is rotated by meshing, the reel 72 is rotated by the horizontal axis 73, the thin wire 51 is tightened by the rotation of the reel 72, the pinching block 50 is pulled, and the pinching block 50 is vertical. As it approaches the axis 21, the chemical appears on the left side of the left pinch block 50, where the vertical axis 21 continues to rotate, the thrust spring 53 pushes the measuring rod 20 up, and the pinch spring 56 pushes the pinch block 50 to the vertical axis. It is separated from 21 and the sandwiching block 50 is separated from the vertical axis 21 to sandwich the chemical.

3. When the vertical axis 21 continues to rotate and the chemical rotates to the right side of the vertical axis 21, the right urging rod 19 pushes the measuring rod 20 down, the pinching block 50 approaches the vertical axis 21, and the chemical is first. It falls on the upper surface of the transport belt 25.

4. The connecting cap gear 44 rotates along with the motor shaft 14, the driven cap gear 42 is rotated by meshing, the driven cap gear 42 rotates the first pulley 47 by the cap gear shaft 43, and the first pulley 47 is the first belt. The second pulley 49 is rotated by friction transmission by 48, the second pulley 49 rotates the third pulley 23 by the first transmission shaft 24, and the third pulley 23 is frictionally transmitted by the first conveyor belt 25 to rotate the fourth pulley. The pulley 26 is rotated, the first transport belt 25 is rotated to send the chemicals on the upper surface to the upper surface of the measuring block 33, the measuring block 33 is lowered by the weight of the chemicals, and the sealing plate 64 is lowered along with the measuring block 33.

5. If the weight of the chemical is insufficient, the sealing plate 64 is lowered, the air in the air space 61 enters the first measurement hole 66 and pushes the right thrust rod 58 to raise it, and the right thrust rod 58 is further raised. Push the right thrust plate 57 and rotate it counterclockwise around the right pin 59, and the chemicals on the upper surface of the measurement block 33 are pushed into the waste space 40, and if the weight of the chemicals is just right, the sealing plate 64 descends, the air passing through the first measurement hole 66 cannot push the chemicals, and the air passing through the second measurement hole 63 pushes the left thrust plate 57 to rotate, and the chemicals are transferred to the second transport belt. If the chemical is overloaded, the air passing through the third measurement hole 67 pushes the right thrust plate 57 to rotate the chemical, and sends the chemical to the waste space 40.

6. The fourth pulley 26 rotates the second transmission shaft 27, the second transmission shaft 27 rotates the first pulley 47, and the first pulley 47 is frictionally transmitted by the second belt 46 to rotate the fifth pulley 45. The fifth pulley 45 rotates the third transmission shaft 29, the third transmission shaft 29 rotates the sixth pulley 28, the sixth pulley 28 rotates the second transfer belt 30, and the second transfer belt 30 rotates. Return the accepted chemicals on the top to the production line.

According to the above method, an engineer in the field can make various modifications according to the working situation within the scope of the present invention.

The present invention deals with the field of chemical weighing, and particularly relates to a weighing device used in a chemical production line.

In the pharmaceutical industry, drugs are basically packaged separately and the dosage is specified. In the production and processing of chemicals, after packaging the chemicals, it is necessary to further weigh the chemical bags so that the chemical bags are not overloaded or underweight. However, in the existing technology, the weighing means for the chemical bag is manually weighed one by one, which is inefficient and costly.

Chinese Patent Application Publication No. 108613724

The purpose is to provide a weighing device used for a chemical production line and to solve problems such as efficiency of artificial measurement and error of artificial measurement.

The present invention is realized by the following technical solutions.

The weighing device used in the chemical production line described in the present application includes a weighing block, a working space is provided in the weighing block, the working space includes a holding mechanism, and the holding mechanism is an upper wall of the working space. Includes a rotatably provided vertical axis, and two transport blocks are provided symmetrically on the vertical axis. Taking the transport block on the left as an example, a horizontal groove is contained in the transport block. Is formed, a holding block that can move left and right is provided in the horizontal groove, a horizontal axis is rotatably provided on the rear wall of the horizontal groove, and the horizontal axis contacts the reel in order from the rear to the front. A gear is fixedly provided, a fine wire is wound around the reel, a fixed block is fixedly provided on the lower wall of the lateral groove, the fixed block is provided on the right side of the holding block, and the holding block is provided. The thin wire is connected to the right side of
A transport mechanism is provided on the right side of the holding mechanism, and the transport mechanism includes a bevel gear shaft rotatably provided on the rear wall of the work space, and the captive gear shaft includes a driven cap gear and a first pulley. The first pulley is provided on the rear side of the driven umbrella gear, the first belt is wound around the first pulley, and the first transmission shaft is on the rear wall of the work space. The first transmission shaft is rotatably provided, and the second pulley and the third pulley are fixedly provided on the first transmission shaft in order from the rear to the front, and the first belt is wound around the second pulley. A first transport belt is wound around the three pulleys, a second transmission shaft is rotatably provided on the rear wall of the work space, and the first pulley and the fourth transmission shaft are rotatably provided on the second transmission shaft from the rear to the front. A pulley is fixedly provided, a second belt is wound around the first pulley, and the first transport belt is wound around the fourth pulley.
A measuring mechanism is provided below the transport mechanism, the measuring mechanism includes a measuring groove formed on the rear wall of the work space, and a measuring block that can move up and down is provided in the measuring groove. The rotation of the first transport belt sends chemicals to the upper surface of the measurement block, the lower surface of the measurement block and the lower wall of the measurement groove are connected by a measurement spring, and two measurement spaces are contained in the measurement block. Is provided so as to be symmetrical, a vertical groove is formed on the rear wall of the measurement space, and a thrust rod that can move up and down is provided in the vertical groove, taking the measurement space on the left as an example. The lower surface of the thrust rod and the lower wall of the vertical groove are connected by a repositioning spring, and the measuring block moves up and down to weigh the chemical.

Preferably, the pinching mechanism includes an urging rod, two urging rods are fixedly provided on the upper wall of the working space, and the two urging rods are provided on both left and right sides of the vertical axis. It is provided so as to be symmetrical, a repositioning groove is formed on the rear wall of the lateral groove, and a measuring rod that can move up and down is provided in the repositioning groove, and the lower surface of the measuring rod and the lower wall of the repositioning groove are provided. Is connected by a thrust spring, a transmission bevel gear is fixedly provided on the vertical axis, the transmission bevel gear is provided on the lower side of the transport block, and a through groove is provided on the left wall of the work space. It is formed so as to penetrate the left wall of the work space to the left and right, and the right surface of the holding block and the left surface of the fixed block are connected by a holding spring, and the holding block moves left and right to hold chemicals in the production line. ..

Preferably, the transport mechanism further includes a waste frame provided on the lower wall of the work space, a waste space is provided in the waste frame, and a third transmission is provided on the rear wall of the work space. A shaft is rotatably provided, a fifth pulley and a sixth pulley are fixedly provided on the third transmission shaft in order from the rear to the front, and the second belt is wound around the fifth pulley. A second transport belt is wound around the sixth pulley, a fourth transmission shaft is fixedly provided on the rear wall of the work space, and a seventh pulley is rotatably provided on the fourth transmission shaft. The second transport belt is wound around the seventh pulley, a motor is fixedly provided on the left wall of the work space, and a motor shaft is rotatably provided on the right surface of the motor. The shaft is provided with a motor bevel gear and a connecting bevel gear in order from left to right.

Preferably, the measuring mechanism further includes an air frame fixed to the rear surface of the moving space, the moving space is provided on the rear surface of the weighing block, the air space is provided in the air frame, and the air is provided. A sealing plate that can move up and down is provided in the space, the front surface of the sealing plate is fixed to the rear surface of the measuring block, and the front wall of the air space has a first measuring hole, a second measuring hole, and a third. A measurement hole is provided, a vent is provided on the lower wall of the air frame, the first measurement hole and the third measurement hole communicate with the vertical groove on the right, and the second measurement hole is on the left. The three measuring holes have the same configuration, and the right wall of the second measuring hole is provided with a rotating space that opens to the left, taking the second measuring hole as an example. A fixing rod is fixedly provided on the front wall of the rotating space, a sealing block is rotatably provided on the fixing rod, and the sealing block and the fixing rod are connected by a torsion spring. Taking the measurement space on the left as an example, a pin is fixedly provided on the rear wall of the measurement space, a thrust plate is rotatably provided on the pin, and the lower surface of the thrust plate opens downward. A rotating groove is formed, a pin column is fixedly provided on the rear wall of the rotating groove, and the thrust rod is rotatably provided on the pin column.

Preferably, the repositioning spring, the measuring spring, and the torsion spring are in a free state, the thrust spring and the holding spring are in a compressed state, and the torsion spring in the first measurement hole is the second measurement. The elasticity of the torsion spring in the hole is weaker than that of the torsion spring in the hole, and the elasticity of the torsion spring in the second measurement hole is weaker than that of the torsion spring in the third measurement hole.

Preferably, the vent allows air to enter the air space only upwards, and the air in the air space cannot go outside the invention through the vent.

The present invention has the following positive effects: The present invention is easy to operate, and if the present invention is attached to a specific position and operated, the present invention transports a chemical on the production line into the invention for measurement. In the event of overweight or underweight chemicals, the present invention discards these chemicals in a waste frame and returns only acceptable chemicals to the production line.

In order to explain the present invention in detail and conveniently explain the present invention together with FIGS. 1 to 8 below, each direction described in the present application is defined as follows: FIG. 1 is a front view of the present invention and is described in the present application. Each of the described directions is based on the observation direction in FIG.

FIG. 1 is a schematic front view of the entire cross section of the present invention. FIG. 2 is a schematic rear view of the entire cross section of FIG. FIG. 3 is an enlarged schematic view of part A in FIG. FIG. 4 is a schematic view from the B direction in FIG. FIG. 5 is a schematic view from the CC direction in FIG. FIG. 6 is a schematic view of the rear side of the D portion in FIG. FIG. 7 is a schematic view from the EE direction in FIG. FIG. 8 is a schematic view from the FF direction in FIG.

With reference to FIGS. 1 to 8, the weighing device used in the chemical production line described in the present application includes a weighing block 11, a working space 10 is provided in the weighing block 11, and the working space 10 is a holding mechanism 75. The holding mechanism 75 includes a vertical axis 21 rotatably provided on the upper wall of the work space 10, and two transport blocks 17 are provided on the vertical axis 21 so as to be symmetrical. Taking the transport block 17 on the left as an example, a lateral groove 18 is formed in the transport block 17, a holding block 50 that can move left and right is provided in the lateral groove 18, and the rear wall of the lateral groove 18 is provided. The horizontal shaft 73 is rotatably provided, the reel 72 and the contact gear 52 are fixedly provided on the horizontal shaft 73 in order from the rear to the front, and a thin wire 51 is wound around the reel 72, and the horizontal groove is formed. A fixed block 55 is fixedly provided on the lower wall of 18, the fixed block 55 is provided on the right side of the sandwiching block 50, and the thin wire 51 is connected to the right surface of the sandwiching block 50.
A transport mechanism 77 is provided on the right side of the holding mechanism 75, and the transport mechanism 77 includes a bevel gear shaft 43 rotatably provided on the rear wall of the work space 10, and is driven by the bevel gear shaft 43. The bevel gear 42 and the first pulley 47 are fixedly provided, the first pulley 47 is provided on the rear side of the driven cap gear 42, and the first belt 48 is wound around the first pulley 47. A first transmission shaft 24 is rotatably provided on the rear wall of the work space 10, and a second pulley 49 and a third pulley 23 are fixedly provided on the first transmission shaft 24 in order from the rear to the front. The first belt 48 is wound around the second pulley 49, the first transport belt 25 is wound around the third pulley 23, and the second transmission shaft 27 rotates on the rear wall of the work space 10. A first pulley 47 and a fourth pulley 26 are fixedly provided on the second transmission shaft 27 in order from the rear to the front, and a second belt 46 is wound around the first pulley 47. The first transport belt 25 is wound around the fourth pulley 26.
A measuring mechanism 76 is provided below the transport mechanism 77, and the measuring mechanism 76 includes a measuring groove 38 formed on the rear wall of the work space 10, and can move up and down in the measuring groove 38. A measurement block 33 is provided, chemicals are sent to the upper surface of the measurement block 33 by rotation of the first transport belt 25, and the lower surface of the measurement block 33 and the lower wall of the measurement groove 38 are connected by a measurement spring 37. In the measurement block 33, two measurement spaces 36 are provided so as to be symmetrical, and a vertical groove 39 is formed on the rear wall of the measurement space 36, taking the measurement space 36 on the left as an example. A thrust rod 58 that can move up and down is provided in the vertical groove 39, and the lower surface of the thrust rod 58 and the lower wall of the vertical groove 39 are connected by a repositioning spring 35, and the measurement block 33 moves up and down. This weighs the chemicals.

Advantageously, the pinching mechanism 75 includes an urging rod 19, two urging rods 19 are fixedly provided on the upper wall of the working space 10, and the two urging rods 19 are fixed. The vertical axis 21 is provided so as to be symmetrical on both the left and right sides, a repositioning groove 54 is formed on the rear wall of the lateral groove 18, and a vertically movable measuring rod 20 is provided in the repositioning groove 54. The lower surface of the measuring rod 20 and the lower wall of the repositioning groove 54 are connected by a thrust spring 53, a transmission bevel gear 15 is fixedly provided on the vertical axis 21, and the transmission bevel gear 15 is the transport block 17. A through groove 16 is formed on the lower side of the left wall of the work space 10 so as to penetrate the left wall of the work space 10 to the left and right, and the right surface of the sandwiching block 50 and the left surface of the fixed block 55. Is connected by a holding spring 56, and the holding block 50 moves left and right to hold chemicals on the production line.

Advantageously, the transport mechanism 77 further includes a waste frame 41 provided on the lower wall of the work space 10, and a waste space 40 is provided in the waste frame 41, and the work space 10 is provided. A third transmission shaft 29 is rotatably provided on the rear wall, and a fifth pulley 45 and a sixth pulley 28 are fixedly provided on the third transmission shaft 29 in order from the rear to the front. The second belt 46 is wound around the five pulleys 45, the second transport belt 30 is wound around the sixth pulley 28, and the fourth transmission shaft 32 is fixedly provided on the rear wall of the work space 10. A seventh pulley 31 is rotatably provided on the fourth transmission shaft 32, the second transport belt 30 is wound around the seventh pulley 31, and a motor 13 is mounted on the left wall of the work space 10. It is fixedly provided, a motor shaft 14 is rotatably provided on the right surface of the motor 13, and a motor bevel gear 12 and a connecting bevel gear 44 are provided on the motor shaft 14 in order from left to right. ing.

Advantageously, the measuring mechanism 76 further includes an air frame 62 fixed to the rear surface of the moving space 81, the moving space 81 is provided on the rear surface of the weighing block 11, and the air frame 62 contains the moving space 81. An air space 61 is provided, a sealing plate 64 that can move up and down is provided in the air space 61, the front surface of the sealing plate 64 is fixed to the rear surface of the measurement block 33, and the front wall of the air space 61 is provided. Is provided with a first measurement hole 66, a second measurement hole 63, and a third measurement hole 67, and a vent 65 is provided on the lower wall of the air frame 62, and the first measurement hole 66 and the third measurement are provided. The hole 67 communicates with the vertical groove 39 on the right, the second measuring hole 63 communicates with the vertical groove 39 on the left, and the three measuring holes have the same configuration and the second measuring hole. Taking 63 as an example, a rotating space 71 that opens to the left is provided on the right wall of the second measurement hole 63, and a fixing rod 69 is fixedly provided on the front wall of the rotating space 71. A sealing block 68 is rotatably provided on the fixed rod 69, and the sealing block 68 and the fixed rod 69 are connected by a torsion spring 70, and the measurement space 36 on the left is taken as an example after the measurement space 36. A pin 59 is fixedly provided on the wall, a thrust plate 57 is rotatably provided on the pin 59, and a rotation groove 80 that opens downward is formed on the lower surface of the thrust plate 57. A pin column 60 is fixedly provided on the rear wall of the moving groove 80, and the thrust rod 58 is rotatably provided on the pin column 60.

Advantageously, the repositioning spring 35, the measuring spring 37, and the twisting spring 70 are in a free state, and the thrusting spring 53 and the holding spring 56 are in a compressed state, and the first measuring hole 66 is located. The torsion spring 70 is weaker in elasticity than the torsion spring 70 in the second measurement hole 63, and the torsion spring 70 in the second measurement hole 63 is more elastic than the torsion spring 70 in the third measurement hole 67. Is weak.

Advantageously, the air vent 65 allows air to enter the air space 61 only upwards, and the air in the air space 61 cannot go outside the present invention through the vent 65.

The operating procedure of the present invention is as follows.

1. The present invention is placed at a specific position, the motor 13 is operated, the motor shaft 14 is driven by the motor 13 to rotate, the motor cap gear 12 is rotated, and the motor cap gear 12 is further meshed to transmit the transmission cap gear. 15 is rotated, the vertical axis 21 is rotated along with the transmission umbrella gear 15, the transport block 17 is rotated, the measuring rod 20 is rotated along with the transport block 17, and when it is rotated to a specific position, the measuring rod 20 is turned into the urging rod 19. Pushed down.

2. The measuring rod 20 is lowered, the contact gear 52 is rotated by meshing, the reel 72 is rotated by the horizontal axis 73, the thin wire 51 is tightened by the rotation of the reel 72, the pinching block 50 is pulled, and the pinching block 50 is vertical. As it approaches the axis 21, the chemical appears on the left side of the left pinch block 50, where the vertical axis 21 continues to rotate, the thrust spring 53 pushes the measuring rod 20 up, and the pinch spring 56 pushes the pinch block 50 to the vertical axis. It is separated from 21 and the sandwiching block 50 is separated from the vertical axis 21 to sandwich the chemical.

3. When the vertical axis 21 continues to rotate and the chemical rotates to the right side of the vertical axis 21, the right urging rod 19 pushes the measuring rod 20 down, the pinching block 50 approaches the vertical axis 21, and the chemical is first. It falls on the upper surface of the transport belt 25.

4. The connecting cap gear 44 rotates along with the motor shaft 14, the driven cap gear 42 is rotated by meshing, the driven cap gear 42 rotates the first pulley 47 by the cap gear shaft 43, and the first pulley 47 is the first belt. The second pulley 49 is rotated by friction transmission by 48, the second pulley 49 rotates the third pulley 23 by the first transmission shaft 24, and the third pulley 23 is frictionally transmitted by the first conveyor belt 25 to rotate the fourth pulley. The pulley 26 is rotated, the first transport belt 25 is rotated to send the chemicals on the upper surface to the upper surface of the measuring block 33, the measuring block 33 is lowered by the weight of the chemicals, and the sealing plate 64 is lowered along with the measuring block 33.

5. If the weight of the chemical is insufficient, the sealing plate 64 is lowered, the air in the air space 61 enters the first measurement hole 66 and pushes the right thrust rod 58 to raise it, and the right thrust rod 58 is further raised. Push the right thrust plate 57 and rotate it counterclockwise around the right pin 59, and the chemicals on the upper surface of the measurement block 33 are pushed into the waste space 40, and if the weight of the chemicals is just right, the sealing plate 64 descends, the air passing through the first measurement hole 66 cannot push the chemicals, and the air passing through the second measurement hole 63 pushes the left thrust plate 57 to rotate, and the chemicals are transferred to the second transport belt. If the chemical is overloaded, the air passing through the third measurement hole 67 pushes the right thrust plate 57 to rotate the chemical, and sends the chemical to the waste space 40.

6. The fourth pulley 26 rotates the second transmission shaft 27, the second transmission shaft 27 rotates the first pulley 47, and the first pulley 47 is frictionally transmitted by the second belt 46 to rotate the fifth pulley 45. The fifth pulley 45 rotates the third transmission shaft 29, the third transmission shaft 29 rotates the sixth pulley 28, the sixth pulley 28 rotates the second transfer belt 30, and the second transfer belt 30 rotates. Return the accepted chemicals on the top to the production line.

According to the above method, an engineer in the field can make various modifications according to the working situation within the scope of the present invention.

Claims (6)

A weighing block is included, a working space is provided in the weighing block, the working space includes a pinching mechanism, and the pinching mechanism includes a vertical axis rotatably provided on the upper wall of the working space. Two transport blocks are provided symmetrically on the vertical axis, and a horizontal groove is formed in the transport block, and the horizontal groove can be moved left and right, taking the transport block on the left as an example. A holding block is provided, a horizontal axis is rotatably provided on the rear wall of the horizontal groove, a reel and a contact gear are fixedly provided on the horizontal axis in order from the rear to the front, and the reel is provided. A thin wire is wound, and a fixing block is fixedly provided on the lower wall of the lateral groove, the fixing block is provided on the right side of the holding block, and the thin wire is connected to the right surface of the holding block.
A transport mechanism is provided on the right side of the holding mechanism, and the transport mechanism includes a bevel gear shaft rotatably provided on the rear wall of the work space, and the captive gear shaft includes a driven cap gear and a first pulley. The first pulley is provided on the rear side of the driven umbrella gear, the first belt is wound around the first pulley, and the first transmission shaft is on the rear wall of the work space. The first transmission shaft is rotatably provided, and the second pulley and the third pulley are fixedly provided on the first transmission shaft in order from the rear to the front, and the first belt is wound around the second pulley. A first transport belt is wound around the three pulleys, a second transmission shaft is rotatably provided on the rear wall of the work space, and the first pulley and the fourth transmission shaft are rotatably provided on the second transmission shaft from the rear to the front. A pulley is fixedly provided, a second belt is wound around the first pulley, the first transport belt is wound around the fourth pulley, and the first transport belt rotates to apply chemicals. Send it inside the invention for measurement,
A measuring mechanism is provided below the transport mechanism, the measuring mechanism includes a measuring groove formed on the rear wall of the work space, and a measuring block that can move up and down is provided in the measuring groove. The lower surface of the measurement block and the lower wall of the measurement groove are connected by a measurement spring, and two measurement spaces are provided in the measurement block so as to be symmetrical. Taking the measurement space on the left as an example, A vertical groove is formed in the rear wall of the measurement space, a thrust rod that can move up and down is provided in the vertical groove, and the lower surface of the thrust rod and the lower wall of the vertical groove are connected by a repositioning spring. , The measuring block is a weighing device used in a chemical production line, which is characterized in that a chemical is weighed by moving up and down. The pinching mechanism includes an urging rod, two of the urging rods are fixedly provided on the upper wall of the work space, and the two urging rods are symmetrical on both the left and right sides of the vertical axis. A repositioning groove is formed in the rear wall of the lateral groove, a measuring rod that can move up and down is provided in the repositioning groove, and the lower surface of the measuring rod and the lower wall of the repositioning groove are thrust. It is connected by a spring, a transmission bevel gear is fixedly provided on the vertical axis, the transmission bevel gear is provided under the transport block, and a through groove is provided on the left wall of the work space of the work space. It is formed so as to penetrate the left wall from side to side, and the right side of the holding block and the left side of the fixing block are connected by a holding spring, and the holding block moves left and right to hold chemicals in the production line. The weighing device used in the chemical production line according to claim 1. The transport mechanism further includes a waste frame provided on the lower wall of the work space, a waste space is provided in the waste frame, and a third transmission shaft rotates on the rear wall of the work space. The third transmission shaft is movably provided, and the fifth pulley and the sixth pulley are fixedly provided on the third transmission shaft in order from the rear to the front, and the second belt is wound around the fifth pulley, and the sixth pulley is wound. A second transport belt is wound around the pulley, a fourth transmission shaft is fixedly provided on the rear wall of the work space, and a seventh pulley is rotatably provided on the fourth transmission shaft. The second transport belt is wound around the seven pulleys, a motor is fixedly provided on the left wall of the work space, a motor shaft is rotatably provided on the right surface of the motor, and the motor shaft is rotatably provided. The weighing device used in the chemical production line according to claim 2, wherein the motor bevel gear and the connecting bevel gear are provided in order from left to right. The measuring mechanism further includes an air frame fixed to the rear surface of the moving space, the moving space is provided on the rear surface of the weighing block, the air space is provided in the air frame, and the inside of the air space is provided. Is provided with a sealing plate that can move up and down, the front surface of the sealing plate is fixed to the rear surface of the measuring block, and the front wall of the air space has a first measuring hole, a second measuring hole, and a third measuring hole. The air frame is provided with a vent on the lower wall, the first measurement hole and the third measurement hole communicate with the vertical groove on the right, and the second measurement hole is the vertical on the left. It communicates with the groove, and the three measurement holes have the same configuration. Taking the second measurement hole as an example, the right wall of the second measurement hole is provided with a rotating space that opens to the left. A fixing rod is fixedly provided on the front wall of the rotating space, a sealing block is rotatably provided on the fixing rod, and the sealing block and the fixing rod are connected by a torsion spring, and the left Taking the measurement space as an example, a pin is fixedly provided on the rear wall of the measurement space, a thrust plate is rotatably provided on the pin, and a rotation groove that opens downward on the lower surface of the thrust plate. The first aspect of the present invention, wherein a pin column is fixedly provided on the rear wall of the rotating groove, and the thrust rod is rotatably provided on the pin column. Weighing device used in chemical production lines. The repositioning spring, the measuring spring, and the twisting spring are in a free state, the thrust spring and the holding spring are in a compressed state, and the twisting spring in the first measuring hole is in the second measuring hole. The chemical production line according to claim 4, wherein the torsion spring has a weaker elasticity than the torsion spring, and the torsion spring in the second measurement hole has a weaker elasticity than the torsion spring in the third measurement hole. Weighing device. The fourth aspect of claim 4, wherein the air can enter the air space only upward by the vent, and the air in the air space cannot go to the outside of the present invention through the vent. Weighing device used in chemical production lines.

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