CN106563698A - Metal plate thickness precision control equipment - Google Patents

Abstract

The invention relates to a metal plate thickness precision control device, which comprises a feeding unit, a thickness control unit and a winding unit, the feeding unit is provided with a feeding component and at least one roller, the thickness control unit is provided with a first adjusting component and a second adjusting component, the first adjusting assembly comprises a first roller, the second adjusting assembly comprises a second roller, the winding unit is provided with a winding assembly and at least one roller, the at least one roller, the furling component and the feeding component form a conveying path, the tension applied to the metal sheet by the first roller and the second roller is increased by changing the displacement distance, so that the metal sheet is stretched, the thickness control unit measures the thickness of the metal plate in real time and synchronously adjusts the tension, so that the error of the metal plate in the thickness caused by overlarge or undersize force application during processing can be avoided.

Description

Metal sheet thickness precision control equipment

technical field

The invention relates to a precision control device, which refers to the precision control device used to control the thickness of metal plates.

Background technique

The rolling of metal sheets is mainly to use a rolling equipment to carry out rolling processing, so as to achieve the purpose of thinning the thickness of the metal sheets. The existing metal sheets are widely used, such as automobiles, home appliances, bicycles and other industries. In recent years, In the future, the demand for precision metal sheets for consumer electronics products is also gradually expanding, and the requirements for the thickness accuracy of metal sheets are also more stringent. Therefore, various precision rolling technologies have been developed today. The existing technology is to Through a precision rolling roller and two-way pressure to achieve the purpose of thinning, and the thickness of the rolled metal sheet will be measured to determine whether the thickness of the sheet meets the requirements. Among them, when the sheet metal When the thickness does not reach the standard, the signal will be fed back to the precision rolling roll to adjust the force of the rolling roll, and the metal plate will be rolled again until the thickness of the metal plate reaches the required value. However, the existing technology does not measure the thickness of the plate in real time and adjust the rolling force, which will cause the metal plate to be too large in the rolling process, resulting in an error in the thickness, or the need for insufficient force. Spend time in repeated rolling process.

Contents of the invention

In view of the above-mentioned shortcomings and deficiencies of the prior art, the object of the present invention is to provide a precision control device for the thickness of the metal sheet, so as to avoid errors in the rolling process of the metal sheet and save more man-hours.

The metal sheet thickness precision control equipment proposed by the present invention to solve the problems of the prior art includes:

A feeding unit, which is provided with a feeding assembly and at least one roller, the feeding assembly is a rotatable roller member, and the at least one roller and the feeding assembly form a conveying path;

A thickness control unit, which is located on one side of the feeding unit and is provided with a first adjustment assembly and a second adjustment assembly, the first adjustment assembly includes a first roller and a first swing arm, the first swing arm is connected to The first roller, the second adjustment assembly includes a second roller and a second swing arm, the second swing arm is connected to the second roller; and

A take-up unit, which is located on the side of the thickness control unit adjacent to the second roller and is provided with a take-up assembly and at least one roller, the take-up assembly is a rotatable roller member, the at least one roller and the take-up assembly Constitute a conveying path.

The metal sheet thickness precision control device of the present invention, in actual application, puts the metal sheet coil to be processed on the feeding assembly of the feeding unit, makes the feeding assembly rotate, and wraps the metal sheet sequentially on the roller, the first roller wheel and the second roller, control the displacement of the first roller and the second roller, and increase the tension exerted by the first roller and the second roller on the metal sheet by changing the displacement distance. Under the circumstances, the metal sheet is stretched and the thickness changes. During the stretching process, the thickness control unit measures the thickness of the metal sheet in real time and adjusts the tension synchronously, so as to avoid excessive force during processing. Or too small to cause errors in the thickness of the metal sheet, and can avoid repeated processing and time-consuming labor.

Description of drawings

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

FIG. 1 is a schematic diagram of component assembly of the first preferred embodiment of the present invention.

Fig. 2 is a schematic diagram of the operation of thickness control in the first preferred embodiment of the present invention.

FIG. 3 is a schematic diagram of the operation of the second preferred embodiment of the present invention.

Explanation of main component labels:

10 Feeding unit 11 Feeding assembly

12 First Roller 13 Second Roller

20 thickness control unit 21 first control assembly

211 The first swing arm 212 The first roller

22 Second control assembly 221 Second swing arm

222 second roller 23 thickness measuring device

30 retracting unit 31 retracting assembly

32 The third roller 33 The fourth roller

40 rolling mill 41 upper rolling section

42 Lower rolling part 43 Rolling thickness gauge

50 sheet metal

detailed description

In the following, the technical means adopted by the present invention to achieve the intended purpose of the invention will be further described in conjunction with the accompanying drawings and preferred embodiments of the present invention.

Please refer to FIG. 1 , the first preferred embodiment of the precision control device for sheet metal thickness of the present invention includes a feeding unit 10 , a thickness control unit 20 and a take-up unit 30 .

Please refer to Fig. 1 and Fig. 2, aforesaid feeding unit 10 is provided with a feeding assembly 11, a first roller 12 and a second roller 13, and this feeding assembly 11 is a rotatable roller member, and this first roller 12 is located at On one side of the feeding assembly 11 , the second roller 13 is disposed on a side of the first roller 12 away from the feeding assembly 11 , and the first roller 12 and the second roller 13 form a conveying path with the feeding assembly 11 .

The aforementioned thickness control unit 20 is arranged on one side of the feeding unit 10 and is provided with a first adjustment assembly 21, a second adjustment assembly 22 and a thickness measuring device 23, and the first adjustment assembly 21 includes a first swing arm 211 and a first roller 212, the first swing arm 211 is swingably arranged between the second roller 13 and the first roller 12, but not limited thereto, and is connected to the first roller 212, the first A swing arm 211 can swing clockwise or counterclockwise to drive the first roller 212 to swing. The second adjustment assembly 22 includes a second swing arm 221 and a second roller 222. The second swing arm 221 can swing Located opposite to the first swing arm 211 and connected to the second roller 222, the second swing arm 221 can swing clockwise or counterclockwise to drive the second roller 222 to swing, then the first roller 212 1. The second rollers 222 are arranged at intervals on both sides of the thickness control unit 20 and are displaced by the swing of the first swing arm 211 and the second swing arm 221 respectively. The thickness measuring device 23 is arranged on the first roller 212 And between the second roller 222, the thickness measuring device 23 is used to measure the thickness of the plate passing through and feedback the measured data to the controller (not shown in the figure), so that the controller feedback controls the first The swing range of the first swing arm 211 and the second swing arm 221 determines the displacement distance between the first roller 212 and the second roller 222 .

The aforementioned retracting unit 30 is arranged on one side of the thickness control unit 20 and away from the feeding unit 10. The retracting unit 30 is provided with a retracting assembly 31, a third roller 32 and a fourth roller 33. The retracting Assembly 31 is a rotatable roller member, which can be controlled by an external power source. The third roller 32 is arranged on one side of the retracting assembly 31 and faces the second swing arm 221. The fourth roller 33 is arranged on On the side of the second swing arm 221 close to the second roller 13, the third roller 32 and the fourth roller 33 of the retracting unit 30 form a transport path with the retracting assembly 31, and the second roller 222 is received by the second roller 222. The two swing arms 221 can be driven away from or close to the fourth roller 33 .

Referring to Fig. 3, the structure of the second preferred embodiment of the present invention is similar to that of the first preferred embodiment and is further provided with a rolling mill 40, wherein the rolling mill 40 is located on the first roller 12 and the second roller 13 There is an upper rolling part 41, a lower rolling part 42 and a rolling thickness gauge 43 between them. The upper rolling part 41 can be displaced up and down between the first roller 12 and the second roller 13. The vertical position of the rolling part 41 is located above the first roller 12 and the second roller 13, and the lower rolling part 42 can be displaced up and down between the first roller 12 and the second roller 13. The lower rolling part 42 The vertical position is located below the first roller 12 and the second roller 13, and the rolling thickness gauge 43 is arranged on the side of the upper rolling part 41 facing the second roller 13, and is used to measure the thickness of the passing plate and Feedback the measurement data to the controller (not shown in the figure), and control the upper rolling part 41 and the lower rolling part 42 to approach or move away from each other through the feedback of the controller, so as to adjust the upper rolling part 41 and the rolling pitch of the lower rolling section 42.

Please refer to Fig. 1 and Fig. 2, in actual application, a metal sheet material 50 to be processed is placed on the feeding assembly 11 of the feeding unit 10, and one end of the metal sheet material 50 is wound around the first roller 12 in sequence , the second roller 13, the first roller 212, the second roller 222, the fourth roller 33 and the third roller 32 are finally fixed on the retracting assembly 31, wherein the sheet metal 50 is located between the first roller 212 and the second The part between the rollers 222 passes through the thickness measuring device 23, and the thickness measuring device 23 can measure the initial thickness of the metal plate 50, and the measured data is fed back to the controller through the thickness measuring device 23, and the control The controller controls the relative swing of the first swing arm 211 and the second swing arm 221, so as to respectively drive the first roller 212 and the second roller 222 to be relatively close to or relatively far away, through the first roller 212, the second The change of the displacement distance of the rollers 222 is to adjust the tension applied by the first rollers 212 and the second rollers 222 to the metal plate 50, wherein when the first rollers 212 and the second rollers 222 are far away from each other, they can be Increase the tension to the metal sheet 50, so that the metal sheet 50 is stretched and its thickness becomes thinner. After the processing is completed, the part of the metal sheet 50 that has been processed is rolled up by the retracting assembly 31, and the feeding The assembly 11 then rotates and feeds the metal sheet 50 to be processed between the first roller 212 and the second roller 222 , and controls the thickness of the metal sheet 50 according to the above steps.

The working principle of the present invention can be described by a mathematical formula, defining the original length of the metal plate 50 as L, the width of the metal plate 50 as W, the original thickness of the metal plate 50 as T, the predetermined thickness _of the metal plate as T1 and the length change of the metal plate The quantity is ΔL, so the following mathematical formula can be listed: L×W×T=(L+ΔL)×W×T ₁ , this mathematical formula expresses that the total volume of the metal plate 50 before and after processing remains unchanged, in the mathematical formula L, W, T, and T1 are known constants, which can be calculated by substituting them into the mathematical formula to obtain the length change ΔL, and the _first swing arm of the first adjustment assembly 21 and the second adjustment assembly 22 is controlled by the controller 211 and the second swing arm 221 swing to drive the first roller 212 and the second roller 222 to stretch the metal sheet 50 outward at the same time, then the stretched length of the metal sheet 50 is L+ΔL, and the After the metal plate 50 is stretched, the original thickness T will be thinned to a predetermined thickness T ₁ , and the thickness change of the metal plate 50 is measured in real time by the thickness measuring device 23 during the stretching process.

During the stretching process of the metal sheet 50, the thickness measuring device 23 will measure the thickness of the metal sheet 50 in real time and adjust the tension synchronously, so as to achieve effective control of the thickness accuracy of the metal sheet 50. In addition, through the real-time thickness The measurement and tension adjustment can improve the thickness error of the metal sheet 50 caused by the excessive or too small processing force in the existing rolling process, so it can produce high-precision metal sheet 50, and through real-time feedback Authorized control can save more processing time.

Please refer to Fig. 3, in the second preferred embodiment, the metal sheet 50 will first pass through the rolling process of the upper rolling part 41 and the lower rolling part 42 of the rolling machine 40, so that the metal sheet 50 first passes through After the rough pressing process of the rolling machine 40 , the thickness control unit 20 at the subsequent stage performs precise thickness control of the metal plate 50 , which can further save the time required for the rolling process of the metal plate 50 .

The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone in the technical field has Ordinary knowledgeable persons, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but if they do not depart from the technical solution of the present invention, according to The technical essence of the present invention Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solutions of the present invention.

Claims (6)

1. A precision control device for sheet metal thickness, characterized in that, the precision control device for sheet metal thickness comprises: A feeding unit, which is provided with a feeding assembly and at least one roller, the feeding assembly is a rotatable roller member, at least one roller of the feeding unit and the feeding assembly form a conveying path; A thickness control unit, which is located on one side of the feeding unit and is provided with a first adjustment assembly and a second adjustment assembly, the first adjustment assembly includes a first roller and a first swing arm, the first swing arm connected to the first roller, the second adjustment assembly includes a second roller and a second swing arm, the second swing arm is connected to the second roller; and A take-up unit, which is located on the side of the thickness control unit adjacent to the second roller and is provided with a take-up assembly and at least one roller, the take-up assembly is a rotatable roller member, at least one of the take-up unit The rollers and the retracting assembly form a conveying path. 2. The precision control equipment for sheet metal thickness as claimed in claim 1, wherein the feeding unit is provided with a first roller and a second roller, the feeding assembly is controlled to rotate by a first external power source, and the first A roller is arranged on one side of the feeding assembly, and the second roller is arranged on a side of the first roller away from the feeding assembly. 3. The metal sheet thickness precision control equipment as claimed in claim 1 or 2, characterized in that, the thickness control unit is provided with a thickness measuring device, and the thickness measuring device is arranged on the first roller and the second roller between rounds. 4. The metal sheet thickness precision control equipment as claimed in claim 2, characterized in that, the retracting unit is provided with a third roller and a fourth roller, and the retracting assembly is controlled to rotate by a second external power source, The third roller is arranged on one side of the retracting assembly and faces the second swing arm, the fourth roller is arranged on the side of the second swing arm close to the second roller, and the second roller is supported by the second roller. The drive of the swing arm moves away from or approaches the second roller. 5. The precision control equipment for sheet metal thickness as claimed in claim 2, characterized in that, the precision control equipment for sheet metal thickness is provided with a rolling mill, and the rolling mill is arranged between the first roller and the second roller And be provided with an upper rolling part, a lower rolling part and a rolling thickness gauge, the upper rolling part can be displaced up and down between the first roller and the second roller, the vertical position of the upper rolling part Located above the first roller and the second roller, the lower rolling part can be displaceable up and down between the first roller and the second roller, and the vertical position of the lower rolling part is located between the first roller and the second roller. Below the second roller, the rolling thickness gauge is arranged on a side of the upper rolling part facing the second roller. 6. The precision control equipment for sheet metal thickness as claimed in claim 4, characterized in that, the precision control equipment for sheet metal thickness is provided with a rolling mill, and the rolling mill is arranged between the first roller and the second roller And be provided with an upper rolling part, a lower rolling part and a rolling thickness gauge, the upper rolling part can be displaced up and down between the first roller and the second roller, the vertical position of the upper rolling part Located above the first roller and the second roller, the lower rolling part can be displaceable up and down between the first roller and the second roller, and the vertical position of the lower rolling part is located between the first roller and the second roller. Below the second roller, the rolling thickness gauge is arranged on a side of the upper rolling part facing the second roller.