CN210464623U

CN210464623U - Weighing device for plastic extruder

Info

Publication number: CN210464623U
Application number: CN201921365831.3U
Authority: CN
Inventors: 王彪
Original assignee: Xiongxian Ruizhong Electronic Technology Co Ltd
Current assignee: Xiongxian Ruizhong Electronic Technology Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-05
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a weighing device for plastic extruder belongs to weighing device technical field. Weighing device includes brace table and base, through stand fixed connection between brace table and the base, and the middle part of brace table upper surface is provided with the feed inlet, and the lower surface is provided with the discharge gate. The supporting table is provided with a weighing structure and a blocking structure for blocking the discharge hole. The plugging structure comprises an air cylinder and a baffle, one end of the air cylinder is hinged to a support fixed on a support table, a telescopic rod at the other end of the air cylinder is rotatably connected with the top of the baffle through a rotating mechanism, a through hole for the baffle to pass through is formed in the support table, the middle of the baffle is rotatably connected with a fixing block arranged on the support table through a rotating shaft, and the bottom end of the baffle is located below a discharge port and is in contact with the discharge port. The utility model adopts the above structure weighing device for plastic extruder can solve the problem that manual control load intensity of labour is big, the quality is unstable, has simple structure, convenient operation's advantage.

Description

Weighing device for plastic extruder

Technical Field

The utility model belongs to the technical field of the weighing device technique and specifically relates to a weighing device for plastics extruder is related to.

Background

The plastic extruder is an important device for producing plastic products, the weight of a final product is determined by the feeding amount of the plastic extruder, the quality of the product is also influenced, and the quality stability of the product is influenced by the uniformity of the feeding amount. Therefore, the feeding amount of the plastic extruder is strictly controlled. The existing feeding mode is that the amount of materials extruded by an extruder is manually detected, and then the extrusion amount of a main machine of the extruder is manually controlled. The mode is high in labor intensity, and the extrusion of the extruder cannot respond in real time under manual control, so that the extrusion capacity of the extruder is often unstable, and the production efficiency and quality are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a weighing device for plastic extruder solves the problem that manual control load intensity of labour is big, the quality is unstable.

In order to achieve the purpose, the utility model provides a weighing device for a plastic extruder, which comprises a supporting table and a base, wherein the supporting table is fixedly connected with the base through a stand column, a feed inlet is arranged in the middle of the upper surface of the supporting table, a discharge outlet is arranged on the lower surface of the supporting table corresponding to the feed inlet, and a weighing structure and a plugging structure for plugging the discharge outlet are arranged on the supporting table;

the plugging structure comprises a cylinder and a baffle, the cylinder is communicated with an external air pump and is electrically connected with a controller, one end of the cylinder is hinged to a support fixed on a support table, a telescopic rod at the other end of the cylinder is rotatably connected with the top of the baffle through a rotating mechanism, a through hole allowing the baffle to pass is formed in the support table, the middle of the baffle is rotatably connected with a fixing block arranged on the support table through a rotating shaft, and the bottom end of the baffle is located below a discharge port and is in contact with the discharge port.

Preferably, the discharge hole is made of soft rubber.

Preferably, the outer cover of the support table is provided with a protective cover.

Preferably, the rotating mechanism comprises a connecting rod and a clamping ball which are fixedly connected, the connecting rod is fixed on the baffle, and the clamping ball is clamped in a connecting ring at the end of the telescopic rod and is rotatably connected with the connecting ring.

Preferably, the weighing structure comprises an electronic scale, the electronic scale is fixed on the support table and electrically connected with the controller, a lifting hook for hooking the packaging bag is fixed below the electronic scale through a connecting plate, and a through hole for enabling the lifting hook to penetrate is formed in the support table.

A weighing device for plastics extruder, be provided with on a supporting bench and weigh structure and block structure, weigh the electronic scale of structure and block structure's cylinder and all link with the controller electricity, the electronic scale weighs after the material reaches settlement weight in the hopper, cylinder work carries out the shutoff with the discharge gate, avoids the material to continue to flow. When the material in the hopper is lower than a set value, the discharge hole is opened by the air cylinder, and the amount of the material in the hopper is accurately controlled. Under the effect of controller, cylinder and electronic scale collaborative work have improved work efficiency. The discharge gate adopts soft rubber to make, can effectually avoid discharge gate and baffle to take place to disturb and cause the not tight problem of shutoff.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a weighing apparatus for a plastic extruder according to the present invention;

FIG. 2 is a schematic perspective view of an embodiment of a weighing apparatus for a plastic extruder according to the present invention;

fig. 3 is a schematic view of a plugging structure of a weighing apparatus for a plastic extruder according to an embodiment of the present invention.

Reference numerals

1. A support table; 2. a base; 3. a column; 4. a feed inlet; 5. an electronic scale; 6. a connecting plate; 7. a hook; 8. a support; 9. a cylinder; 10. a telescopic rod; 11. a baffle plate; 12. blocking the ball; 13. a connecting rod; 14. a fixed block; 15. a rotating shaft; 16. a protective cover; 17. and (4) a discharge port.

Detailed Description

Examples

Fig. 1 is the utility model relates to a structure schematic diagram of weighing device for plastic extruder embodiment, fig. 2 is the utility model relates to a three-dimensional structure schematic diagram of weighing device for plastic extruder embodiment, fig. 3 is the utility model relates to a plugging structure schematic diagram of weighing device for plastic extruder embodiment. As shown in the figure, the weighing device for the plastic extruder comprises a supporting table 1 and a base 2 which are arranged in parallel, and the supporting table 1 and the base 2 are fixedly connected through an upright post 3 in a welding mode. The middle part of the upper surface of the support table 1 is provided with a feed inlet 4, and the feed inlet 4 is of a conical structure with a large upper end opening and a small lower end opening. The lower surface of the supporting table 1 is provided with a discharge hole 17 corresponding to the feed port 4, and the supporting table 1 is provided with a weighing structure and a blocking structure for blocking the discharge hole 17. Discharge gate 17 is soft rubber material, and when plugging structure and discharge gate 17 contact, discharge gate 17 can avoid taking place to disturb with plugging structure through the deformation, and the shutoff is effectual.

The plugging structure comprises a cylinder 9 and a baffle 11, the cylinder 9 is communicated with an external air pump, and an electromagnetic valve on the cylinder 9 is electrically connected with the controller. One end of the cylinder 9 is hinged with the support 8 through a pin shaft, and the support 8 is fixed on the support table 1 through a screw. The telescopic rod 10 at the other end of the cylinder 9 is rotatably connected with the top of the baffle plate 11 through a rotating mechanism. The middle part of the baffle 11 is rotatably connected with a fixed block 14 through a rotating shaft 15, the rotating shaft 15 and the baffle 11 are of an integral structure, the fixed block 14 is provided with a through hole for the rotating shaft 15 to pass through, and the aperture of the through hole is slightly larger than the diameter of the rotating shaft 15. The baffle 11 is arranged on the support table 1 in a rotating mode, the stroke of the bottom of the baffle 11 is long, the stroke of the air cylinder 9 is short, the baffle 11 can be easily opened from the discharge hole 17 under the action of the air cylinder 9, and the failure rate is reduced. The support table 1 is provided with a through hole for the baffle 11 to pass through, and the length of the through hole is far larger than the width of the baffle 11. The bottom end of baffle 11 is located below discharge gate 17 and contacts discharge gate 17.

The rotating mechanism comprises a connecting rod 13 and a clamping ball 12 which are fixedly connected or integrally structured, the connecting rod 13 is fixed on the baffle plate 11, and the clamping ball 12 is clamped in a connecting ring at the end of the telescopic rod 10 and is rotatably connected with the connecting ring. The baffle 11 is connected with the telescopic rod 10 of the cylinder 9 in a universal rotating way through a clamping ball 12 and a connecting ring. The cylinder 9 drives the baffle 11 to rotate through the telescopic rod 10, and the bottom of the baffle 11 is plugged and opened to the discharge hole 17.

The weighing structure comprises an electronic scale 5, the electronic scale 5 is fixed on the supporting platform 1, and the electronic scale 5 is electrically connected with the controller. A lifting hook 7 for hooking the stainless steel hopper is fixed below the electronic scale 5 through a connecting plate 6, and the lifting hook 7 is fixed at two ends of the connecting plate 6 through screws. The two hooks 7 are symmetrically distributed about the discharge opening 17. The support table 1 is provided with a through hole through which the hook 7 passes. The electronic scale 5 weighs the material in the hopper of the extruder by the lifting hook 7. The electronic scale 5 is horizontally fixed on the supporting table 1, the weight of materials in the hopper is weighed through the connecting plate 6 and the lifting hook 7, the weighing deflection range of the electronic scale 5 is reasonably utilized, and the measuring accuracy is improved. The electronic scale 5 weighs the weight of the materials in the hopper in real time, when the weight in the hopper is lower than a set value, the controller receives a weighing signal, the telescopic rod 10 of the air cylinder 9 is controlled to be shortened, the baffle plate 11 rotates anticlockwise to open the discharge hole 17, and discharging is carried out; when the weight in the hopper is higher than a set value, the controller receives a bearing signal, the telescopic rod 10 of the cylinder 9 is controlled to extend, the baffle plate 11 rotates clockwise, and the discharge hole 17 is blocked. The controller and the control circuit of the electronic scale 5 and the air cylinder 9 are well known to those skilled in the art, and are not the important points of the application, and are not described herein. The electronic scale 5 and the cylinder 9 are cooperated to accurately control the amount of the material in the hopper of the extruder, namely the blanking amount, so that the quality stability of the product is improved, and the labor intensity of workers is reduced.

The outside cover of brace table 1 is equipped with protection casing 16, and protection casing 16 and brace table 1 interference fit. The protective cover 16 protects the components on the support table 1.

Therefore, the utility model adopts the above structure weighing device for the plastic extruder can solve the problem that manual control load intensity of labour is big, the quality is unstable, has simple structure, convenient operation's advantage.

The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. The utility model provides a weighing device for plastic extruder which characterized in that: the device comprises a supporting table (1) and a base (2), wherein the supporting table (1) is fixedly connected with the base (2) through an upright post (3), a feeding hole (4) is formed in the middle of the upper surface of the supporting table (1), a discharging hole (17) is formed in the lower surface of the supporting table (1) corresponding to the feeding hole (4), and a weighing structure and a blocking structure for blocking the discharging hole (17) are arranged on the supporting table (1);

plugging structure includes cylinder (9) and baffle (11), cylinder (9) communicate with external air pump and link with the controller electricity, the one end of cylinder (9) is articulated with support (8) of fixing on brace table (1), telescopic link (10) of the cylinder (9) other end are passed through slewing mechanism with the top of baffle (11) and are rotated and be connected, be provided with the through-hole that makes baffle (11) pass on brace table (1), the middle part of baffle (11) is rotated through fixed block (14) that pivot (15) and brace table (1) set up and is connected, the bottom of baffle (11) is located the below of discharge gate (17) and contacts with discharge gate (17).

2. The weighing device for the plastic extruder according to claim 1, wherein: the discharge hole (17) is made of soft rubber.

3. The weighing device for the plastic extruder according to claim 1, wherein: the outer cover of the supporting table (1) is provided with a protective cover (16).

4. The weighing device for the plastic extruder according to claim 1, wherein: the rotating mechanism comprises a connecting rod (13) and a clamping ball (12) which are fixedly connected, the connecting rod (13) is fixed on the baffle (11), and the clamping ball (12) is clamped in a connecting ring at the end of the telescopic rod (10) and is rotatably connected with the connecting ring.

5. The weighing device for the plastic extruder according to claim 1, wherein: the weighing structure comprises an electronic scale (5), the electronic scale (5) is fixed on a support table (1), the electronic scale (5) is electrically connected with a controller, a hook (7) for hooking the hopper is fixed below the electronic scale (5) through a connecting plate (6), and a through hole for the hook (7) to pass through is formed in the support table (1).