CN211031133U - Safety protection device for feeding hopper of extruder - Google Patents
Safety protection device for feeding hopper of extruder Download PDFInfo
- Publication number
- CN211031133U CN211031133U CN201920749583.6U CN201920749583U CN211031133U CN 211031133 U CN211031133 U CN 211031133U CN 201920749583 U CN201920749583 U CN 201920749583U CN 211031133 U CN211031133 U CN 211031133U
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- extruder
- feeding hopper
- safety
- springs
- guide
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a safety protection device for a feeding hopper of an extruder, which comprises an extruder, a feeding hopper, a safety rod component and a control device; an operating platform is arranged below one side of the extruder, a feeding hopper is arranged above the operating platform, and a safety rod assembly is arranged at one side close to the operating platform and outside the mouth of the feeding hopper; the control device comprises a travel switch; has the advantages that: be provided with the safety lever in one side of feeding hopper, the safety lever passes through control system control extruder and opens and stop the operation, stand on operation platform as the staff, because the safety lever can be pressed to owing to human action of gravity must when the feeding hopper is pressed close to from the top to abnormal conditions, the safety lever pushes down and drives the ejector pin and push down travel switch, travel switch in case by pushing down the change, then extruder chance automatic shutdown work, when the staff left the feeding hopper, the automatic restart work of extruder chance after reseing.
Description
Technical Field
The utility model relates to an extruder feeding hopper safety arrangement, specific device that extruder can stop work when operating personnel presses close to or presses to the extruder that says so.
Background
When feeding the extruder, because the feeding hopper is open, if a worker carelessly puts a hand into the feeding hopper when the extruder normally works, or when the worker puts the hand into the feeding hopper to order the sizing material when the sizing material needs to be arranged for a certain special reason, the extruder does not stop working at the moment, so that the worker can bring the hand into the extruder due to the continuous conveying of the sizing material, or the hand is brought into the extruder due to misoperation, thereby causing an injury accident or unnecessary loss.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a device that extruder can stop work when pressing close to or pressing the extruder at the work manual work.
In order to solve the technical problem, the utility model discloses a technical scheme be: a safety protection device for a feeding hopper of an extruder comprises the extruder, the feeding hopper, a safety rod assembly and a control device;
an operating platform is arranged below one side of the extruder, a feeding hopper is arranged above the operating platform, and a safety rod assembly is arranged at one side close to the operating platform and outside the mouth of the feeding hopper; the control device comprises a travel switch; the safety rod assembly comprises safety rods, springs, guide rods, guide pipes, transverse plates and vertical plates, the transverse plates are provided with two ends which are respectively arranged at the same side of the outer side of the feeding hopper, each transverse plate is provided with one guide pipe, each guide pipe is internally provided with a guide rod capable of sliding up and down, the lower sides of the two ends of each safety rod are respectively connected and arranged on the corresponding guide rods, the springs are sleeved on the guide rods, the upper ends and the lower ends of the springs are respectively provided with separation blades, the separation blades are also respectively sleeved on the guide rods, the separation blades at the upper ends of the springs are designed between the springs and the safety rods, the separation blades at the lower ends of the springs are designed between the springs and the guide pipes, the vertical plates are respectively arranged on the inner sides of the two guide.
The control device comprises a travel switch, a controller and an extruder starting switch, wherein the travel switch is connected with a signal input interface of the controller through a signal line, and a signal output interface of the controller is connected with the extruder starting switch through a signal line.
The utility model has the advantages that: be provided with the safety lever in one side of feeding hopper, the safety lever passes through control system control extruder and opens and stop the operation, stand on operation platform as the staff, because the safety lever can be pressed to owing to human action of gravity must when the feeding hopper is pressed close to from the top to abnormal conditions, the safety lever pushes down and drives the ejector pin and push down travel switch, travel switch in case by pushing down the change, then extruder chance automatic shutdown work, when the staff left the feeding hopper, the automatic restart work of extruder chance after reseing.
Drawings
Fig. 1 is a schematic structural view of the safety protection device of the feeding hopper of the extruder of the present invention.
Fig. 2 is a partially enlarged schematic view of the safety assembly of the present invention.
Fig. 3 is a schematic connection diagram of the control device of the present invention.
Detailed Description
As can be seen from the schematic diagrams shown in FIGS. 1-2, a safety protection device for a feeding hopper of an extruder comprises an extruder 5, a feeding hopper 4, a safety rod assembly and a control device;
an operating platform 6 is arranged below one side of the extruder 5, a feeding hopper 4 is arranged above the extruder, and a safety rod assembly is arranged at one side close to the operating platform 6 and outside the opening of the feeding hopper 4; the control device comprises a travel switch 3; the safety rod assembly comprises a safety rod 1, a spring 2, a guide rod 21, guide pipes 22, transverse plates 23 and vertical plates 24, wherein the transverse plates 23 are provided with two ends which are respectively arranged at the same side of the outer side of the feeding hopper 4, each transverse plate 23 is provided with one guide pipe 22, guide rods 21 capable of sliding up and down are designed in each guide tube 22, the lower parts of two ends of each safety rod 1 are respectively connected and installed on the corresponding guide rods 21, each spring 2 is sleeved on each guide rod, the upper end and the lower end of each spring 2 are respectively provided with a baffle 25, each baffle 25 is also sleeved on each guide rod 21, each baffle 25 at the upper end of each spring 2 is designed between each spring 2 and each safety rod 1, each baffle 25 at the lower end of each spring 2 is designed between each spring 2 and each guide tube 22, each vertical plate 24 is installed on the inner side of each guide tube 22, each vertical plate 24 is provided with a travel switch 3, each travel switch 3 is provided with a push rod 26, and the top. The lower end of the vertical plate 24 is arranged on the transverse plate 23.
The control device comprises a travel switch 3, a controller 12 and an extruder starting switch 17, wherein the travel switch 3 is connected with a signal input interface of the controller 12 through a signal line, and a signal output interface of the controller 12 is connected with the extruder starting switch 17 through a signal line.
As can be seen from the schematic diagram shown in fig. 3, the control device includes a travel switch 3, a controller 12 and an extruder start switch 17, the controller 12 is internally provided with a central processing unit 13, a system program memory 11, a digital/analog signal arithmetic unit 15, a signal input interface 14 and a signal output interface 16, wherein the travel switch 3 is connected with the signal input interface 14, the extruder start switch 17 is connected with the signal output interface 16, and the travel switch 3 is installed between the feeding hopper 4 and the safety lever 1. In the present embodiment, the travel switch 3 may be fixed on the feeding hopper 4.
The working process of the safety protection device is as follows: when a worker stands on the operating platform 6 and is abnormally close to the feeding hopper 4, the safety rod 1 is inevitably pressed due to the action of human body gravity, the safety rod 1 is pressed down to drive the ejector rod to press the travel switch 3 downwards, once the travel switch 3 is pressed down and changed, a signal is sent to control the start-stop switch 17 of the extruder to be closed through the controller 12, and the extruder 5 stops working; when the worker leaves the feeding hopper 4, the safety rod 1 is lifted under the action of the return spring 1, the travel switch 3 is reset and is far away from the feeding hopper 4, at the moment, the travel switch 3 controls the start-stop switch 17 of the extruder to be started through the controller 12, and the extruder 5 starts to work again.
Claims (2)
1. Extruder feeding hopper safety arrangement, its characterized in that: comprises an extruder, a feeding hopper, a safety rod component and a control device;
an operating platform is arranged below one side of the extruder, a feeding hopper is arranged above the operating platform, and a safety rod assembly is arranged at one side close to the operating platform and outside the mouth of the feeding hopper; the control device comprises a travel switch; the safety rod assembly comprises safety rods, springs, guide rods, guide pipes, transverse plates and vertical plates, the transverse plates are provided with two ends which are respectively arranged at the same side of the outer side of the feeding hopper, each transverse plate is provided with one guide pipe, each guide pipe is internally provided with a guide rod capable of sliding up and down, the lower sides of the two ends of each safety rod are respectively connected and arranged on the corresponding guide rods, the springs are sleeved on the guide rods, the upper ends and the lower ends of the springs are respectively provided with separation blades, the separation blades are also respectively sleeved on the guide rods, the separation blades at the upper ends of the springs are designed between the springs and the safety rods, the separation blades at the lower ends of the springs are designed between the springs and the guide pipes, the vertical plates are respectively arranged on the inner sides of the two guide.
2. The extruder feed hopper safety protection device of claim 1, wherein: the control device comprises a travel switch, a controller and an extruder starting switch, wherein the travel switch is connected with a signal input interface of the controller through a signal line, and a signal output interface of the controller is connected with the extruder starting switch through a signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749583.6U CN211031133U (en) | 2019-05-23 | 2019-05-23 | Safety protection device for feeding hopper of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920749583.6U CN211031133U (en) | 2019-05-23 | 2019-05-23 | Safety protection device for feeding hopper of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211031133U true CN211031133U (en) | 2020-07-17 |
Family
ID=71563634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920749583.6U Active CN211031133U (en) | 2019-05-23 | 2019-05-23 | Safety protection device for feeding hopper of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211031133U (en) |
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2019
- 2019-05-23 CN CN201920749583.6U patent/CN211031133U/en active Active
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