Pneumatic filling machine capable of conveniently adjusting and controlling filling amount

Abstract

The utility model belongs to the field of filling machines, and relates to a pneumatic filling machine convenient to adjust and control filling quantity, which comprises a rack, a hopper is arranged above the rack, a discharge nozzle communicated with the hopper is arranged on one side of the rack, the discharge nozzle is communicated with the hopper, a discharge rod for conveying materials from the hopper to the discharge nozzle is arranged in the hopper, and the discharge nozzle is communicated with the discharge rod. A telescopic air cylinder and an air cylinder switch are further arranged in the rack, the extending end of the telescopic air cylinder is fixedly connected with the discharging rod and controls the discharging rod to do telescopic motion, a guide column is further fixedly connected to one side of the extending end of the telescopic air cylinder, a stroke limiting switch is arranged below the guide column, and a touch point is arranged at the lower end of the guide column. A stroke limiting switch is arranged on the rack, a switch button is arranged at the upper end of the stroke limiting switch, a touch point is arranged above the switch button, a switch adjusting mechanism for adjusting the height of the stroke limiting switch is further arranged in the rack, and the device has the advantages that filling can be completed in a pneumatic mode, and the filling amount can be accurately controlled and adjusted.

Description

Technical Field

[0001] The invention belongs to the field of filling machines and relates to a pneumatic filling machine which is convenient for adjusting and controlling the filling amount. Technical Background

[0002] A filling machine is a device that can fill materials into designated product packaging or containers, which can effectively improve the production efficiency of the product.

[0003] Chinese patent ZL202121323245.X discloses an adjustable volume filling machine, which includes a machine body connected to a hopper and a discharge nozzle, a piston rod which can be raised and lowered and extended into the hopper is provided in the machine body, a material pressing mechanism for delivering the material from the discharge nozzle is connected to the piston rod, a rocker for controlling the lifting and lowering of the piston rod is provided on one side of the machine body, a gear coaxially connected to the rocker, and a tooth block which drives the piston rod to rise and fall and meshes with the gear is provided in the machine body, a limit plate is connected to the upper end of the tooth block, a rotatable screw is also provided in the machine body, a positioning block which moves up and down with the rotation of the screw is connected to the screw, the positioning block can abut against the lower end of the limit plate, and an adjusting wheel extending from one side of the machine body is also sleeved on the screw. By turning the adjusting wheel, the positioning block of the filling machine can limit the lifting range of the piston rod, thereby controlling the amount of material pressed into the discharge nozzle by the material extrusion mechanism as the piston rod rises and falls. Ultimately, the amount of material delivered from the discharge nozzle is accurately controlled. However, this filling machine requires manual filling, which consumes a lot of physical energy of the operator. Summary of the invention

[0004] In view of the above problems, the present invention provides a pneumatic filling machine which is convenient for adjusting and controlling the filling volume. The device has the advantages of completing filling by pneumatic means and being able to achieve accurate control and adjustment of the filling volume.

[0005] The object of the present invention is achieved in that:

[0006] A pneumatic filling machine for convenient adjustment and control of filling volume comprises a frame, a hopper is arranged above the frame, a discharge nozzle connected to the hopper is also arranged on one side of the frame, the discharge nozzle is connected to the hopper, a discharge rod for delivering materials from the hopper to the discharge nozzle is arranged in the hopper, a telescopic cylinder and a cylinder switch are also arranged in the frame, the extended end of the telescopic cylinder is fixedly connected to the discharge rod and controls the discharge rod to perform telescopic movement, a guide column is also fixedly connected to one side of the extended end of the telescopic cylinder, a travel limit switch is arranged below the guide column, a touch point is arranged at the lower end of the guide column, a switch button is arranged at the upper end of the travel limit switch, and the touch point is arranged above the switch button, and a switch adjustment mechanism for adjusting the height of the travel limit switch is also arranged in the frame.

[0007] The utility model is further configured as follows: the switch adjustment mechanism includes a vertically arranged screw rod, an adjustment wheel is fixedly connected to the screw rod to control the rotation of the screw rod, an adjustment seat is also sleeved on the screw rod, and the adjustment seat is fixedly connected to the travel limit switch.

[0008] The utility model is further configured as follows: the switch adjustment mechanism includes a vertically arranged adjustment rod, a plurality of positioning grooves are evenly formed on the rear side of the adjustment rod, an adjustment groove is formed in the middle of the adjustment rod, an adjustment seat is provided on the adjustment rod, the adjustment seat includes clamping blocks arranged on the front and rear sides of the adjustment rod, a tension spring is provided between the two clamping blocks, the tension spring is used to give the two clamping blocks a force to approach each other, a pin is fixed on the rear clamping block, the pin passes forward through the adjustment groove and the front clamping block in turn and extends outside the frame, and the adjustment seat is fixedly connected to the travel limit switch.

[0009] The utility model is further configured as follows: the switch adjustment mechanism comprises an adjustment cylinder, the extension end of the adjustment cylinder extends upward and is fixed with an adjustment seat, and the adjustment seat is fixedly connected to the travel limit switch.

[0010] The utility model is further configured as follows: an indicator is arranged on the adjustment seat, a scale line corresponding to the indicator is arranged on the frame, an observation groove is also formed on the frame, and the indicator is arranged in the observation groove.

[0011] The utility model is further configured as follows: a connecting rod is fixed on the upper end of the telescopic cylinder, the connecting rod extends laterally, the other end of the connecting rod is fixedly connected to a discharging rod and a guide column, and the discharging rod is arranged above the guide column.

[0012] The utility model is further configured as follows: a sleeve fixing seat is extended from the guide post on the bracket, a sleeve is fixed on the sleeve fixing seat, and a guide hole for the guide post to slide is arranged in the sleeve.

[0013] Compared with the prior art, the present invention has the following outstanding and beneficial technical effects: since the protruding end of the telescopic cylinder is fixedly connected to the discharging rod and the guide column, the movement of the protruding end of the telescopic cylinder will move the discharging rod and the guide column; when the telescopic cylinder contracts, the guide column moves downward so that the contact point at the lower end of the guide column touches the switch button, and the stroke limit switch controls the cylinder to stop moving downward and reset, thereby accurately controlling the amount of material squeezed from the hopper into the discharging nozzle by the discharging rod each time; and then by setting the switch adjustment mechanism, the height of the stroke limit switch is adjusted, thereby adjusting the distance of each stroke of the cylinder, thereby changing the amount of the discharging rod squeezed from the hopper into the discharging nozzle each time, thereby changing the filling amount. Therefore, the device realizes pneumatic filling through the cylinder to reduce the workload of the operator, and can achieve the advantages of accurately controlling the filling amount and adjusting the filling amount. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 for Figure 1 Enlarged view of point A.

[0017] Figure 3 This is the internal structure diagram of the filling machine.

[0018] Figure 4 This is the internal structure diagram without the hopper and discharge nozzle.

[0019] Figure 5 It is a structural schematic diagram of the switch adjustment mechanism of Example 1.

[0020] Figure 6 It is a structural schematic diagram of the switch adjustment mechanism of the second embodiment.

[0021] 1-frame; 2-hopper; 3-discharging nozzle; 4-discharging rod; 5-telescopic cylinder; 51-extending end; 6-cylinder switch; 7-guide column; 71-touch point; 8-travel limit switch; 81-switch button; 9-screw rod; 10-adjusting wheel; 11-adjusting seat; 12-indicator; 13-scale line; 14-observation slot; 15-connecting rod; 16-copper sleeve fixing seat; 17-copper sleeve;

[0022] 21-adjusting rod; 22-positioning slot; 23-adjusting slot; 24-block; 25-tension spring; 26-pin shaft. DETAILED DESCRIPTION

[0023] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0024] Embodiment 1:

[0025] A pneumatic filling machine for convenient adjustment and control of filling volume comprises a frame 1, a hopper 2 is arranged above the frame 1, a discharge nozzle 3 connected to the hopper 2 is also arranged on one side of the frame 1, the discharge nozzle 3 is connected to the hopper 2, a discharge rod 4 for delivering materials from the hopper 2 to the discharge nozzle 3 is arranged in the hopper 2, a telescopic cylinder 5 and a cylinder switch 6 are also arranged in the frame 1, an extended end 51 of the telescopic cylinder 5 is fixedly connected to the discharge rod 4 and controls the discharge rod 4 to make a telescopic movement, a guide column 7 is also fixedly connected to one side of the extended end 51 of the telescopic cylinder 5, a travel limit switch 8 is arranged below the guide column 7, a touch point 71 is arranged at the lower end of the guide column 7, a switch button 81 is arranged at the upper end of the travel limit switch 8, and the touch point 71 is arranged above the switch button 81, and a switch adjustment mechanism for adjusting the height of the travel limit switch 8 is also arranged in the frame 1.

[0026] The switch adjustment mechanism includes a vertically arranged screw rod 9 , to which an adjustment wheel 10 is fixedly connected for controlling the rotation of the screw rod 9 . An adjustment seat 11 is also sleeved on the screw rod 9 , and the adjustment seat 11 is fixedly connected to the travel limit switch 7 .

[0027] The adjusting seat 11 is provided with an indicator 12 , the frame 1 is provided with a scale line 13 corresponding to the indicator 12 , and the frame is also formed with an observation slot 14 , in which the indicator 12 is arranged.

[0028] A connecting rod 15 is fixed to the upper end of the telescopic cylinder 5 . The connecting rod 15 extends laterally. The other end of the connecting rod 15 is fixedly connected to the discharging rod 4 and the guide column 7 . The discharging rod 4 is arranged above the guide column 7 .

[0029] The bracket extends a copper sleeve fixing seat 16 toward the guide post 7 , a copper sleeve 17 is fixed on the copper sleeve fixing seat 16 , and a guide hole for the guide post 7 to slide is arranged in the copper sleeve 17 .

[0030] Working principle:

[0031] By pressing the cylinder switch 6, the extending end 51 of the telescopic cylinder 5 can be controlled to perform telescopic movement. Since the extending end 51 of the telescopic cylinder 5 is fixedly connected to the discharge rod 4 and the guide column 7, the movement of the extending end 51 of the telescopic cylinder will move the discharge rod 4 and the guide column 7. When the telescopic cylinder 5 contracts, the guide column 7 moves downward so that the contact point 71 at the lower end of the guide column 7 touches the switch button 81, and the travel limit switch 8 controls the telescopic cylinder 5 to stop moving downward and reset, thereby accurately controlling the amount of material that the discharge rod 4 squeezes from the hopper 2 into the discharge nozzle 3 each time; and then by setting the switch adjustment mechanism, the height of the travel limit switch 8 is adjusted, thereby adjusting the distance of each stroke of the telescopic cylinder 5, thereby changing the amount of the discharge rod 4 squeezed from the hopper into the discharge nozzle each time, thereby changing the filling amount.

[0032] Embodiment 2:

[0033] This embodiment is substantially the same as the embodiment, except that: the switch adjustment mechanism includes a vertically arranged adjustment rod 21, a plurality of positioning grooves 22 are evenly formed on the rear side of the adjustment rod 21, an adjustment groove 23 is formed in the middle of the adjustment rod 21, an adjustment seat 11 is provided on the adjustment rod 21, and the adjustment seat 11 includes blocks 24 arranged on the front and rear sides of the adjustment rod 21, a plurality of positioning protrusions (not shown) matching the positioning grooves 22 are formed on the rear block 24, a tension spring 25 is provided between the two blocks 24, the tension spring 25 is used to give the two blocks 24 a force to approach each other, a pin 26 is fixed to the rear block 24, the pin 26 passes forward through the adjustment groove 23 and the front block 24 in turn to extend outside the frame 1, and the adjustment seat 11 is fixedly connected to the travel limit switch 8.

[0034] Embodiment three:

[0035] This embodiment is substantially the same as the embodiment 1, except that the switch adjustment mechanism includes an adjustment cylinder, the extension end of the adjustment cylinder extends upward and is fixed with an adjustment seat, and the adjustment seat is fixedly connected to the travel limit switch.

[0036] The present invention has the characteristics of realizing pneumatic filling through a cylinder to reduce the workload of operators, and can realize accurate control of the filling volume and adjustment of the filling volume.

[0037] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic filling machine that is convenient for adjusting and controlling the filling amount, comprising a frame, a hopper is arranged above the frame, a discharge nozzle connected to the hopper is arranged on one side of the frame, the discharge nozzle is connected to the hopper, and a discharge rod is arranged in the hopper to deliver the material from the hopper to the discharge nozzle, characterized in that: The frame is also provided with a telescopic cylinder and a cylinder switch. The extended end of the telescopic cylinder is fixedly connected to the discharging rod and controls the discharging rod to perform telescopic movement. A guide column is also fixedly connected to one side of the extended end of the telescopic cylinder. A travel limit switch is provided below the guide column. A touch point is provided at the lower end of the guide column. A switch button is provided at the upper end of the travel limit switch. The touch point is arranged above the switch button. A switch adjustment mechanism for adjusting the height of the travel limit switch is also provided in the frame.

2. A pneumatic filling machine that is convenient for adjusting and controlling the filling volume according to claim 1, characterized in that: The switch adjustment mechanism comprises a vertically arranged screw rod, to which an adjustment wheel is fixedly connected for controlling the rotation of the screw rod, and an adjustment seat is also sleeved on the screw rod, and the adjustment seat is fixedly connected to the travel limit switch.

3. A pneumatic filling machine that is convenient for adjusting and controlling the filling volume according to claim 1, characterized in that: The switch adjustment mechanism includes a vertically arranged adjustment rod, a plurality of positioning grooves are evenly formed on the rear side of the adjustment rod, an adjustment groove is formed in the middle of the adjustment rod, an adjustment seat is provided on the adjustment rod, the adjustment seat includes clamping blocks arranged on the front and rear sides of the adjustment rod, a plurality of positioning protrusions matching the positioning grooves are formed on the rear clamping block, a tension spring is provided between the two clamping blocks, the tension spring is used to give the two clamping blocks a force to approach each other, a pin is fixed on the rear clamping block, the pin passes through the adjustment groove and the front clamping block forward in turn and extends outside the frame, and the adjustment seat is fixedly connected to the travel limit switch.

4. A pneumatic filling machine that is convenient for adjusting and controlling the filling volume according to claim 1, characterized in that: The switch adjustment mechanism comprises an adjustment cylinder, the extension end of the adjustment cylinder extends upward and is fixed with an adjustment seat, and the adjustment seat is fixedly connected to the travel limit switch.

5. A pneumatic filling machine for convenient adjustment and control of filling volume according to claim 2, 3 or 4, characterized in that: The adjusting seat is provided with an indicator, the frame is provided with a scale line corresponding to the indicator, and the frame is also formed with an observation groove, in which the indicator is arranged.

6. A pneumatic filling machine for conveniently adjusting and controlling filling volume according to claim 1, characterized in that: A connecting rod is fixed on the upper end of the telescopic cylinder. The connecting rod extends laterally. The other end of the connecting rod is fixedly connected to a discharging rod and a guide column. The discharging rod is arranged above the guide column.

7. A pneumatic filling machine for conveniently adjusting and controlling filling volume according to claim 6, characterized in that: A copper sleeve fixing seat is extended from the frame to the guide column, a copper sleeve is fixed on the copper sleeve fixing seat, and a guide hole for the guide column to slide is arranged in the copper sleeve.

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