CN113548531A - Material belt conveying device capable of automatically adjusting tension of material belt - Google Patents
Material belt conveying device capable of automatically adjusting tension of material belt Download PDFInfo
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- CN113548531A CN113548531A CN202010328466.XA CN202010328466A CN113548531A CN 113548531 A CN113548531 A CN 113548531A CN 202010328466 A CN202010328466 A CN 202010328466A CN 113548531 A CN113548531 A CN 113548531A
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- auxiliary unit
- detecting
- unit
- driving
- material belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/44—Arrangements for rotating packages in which the package, core, or former is engaged with, or secured to, a driven member rotatable about the axis of the package
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/54—Arrangements for supporting cores or formers at winding stations; Securing cores or formers to driving members
- B65H54/547—Cantilever supporting arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
- B65H59/385—Regulating winding speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/37—Tapes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Controlling Sheets Or Webs (AREA)
Abstract
The invention discloses a material belt conveying device capable of automatically adjusting the tension of a material belt, which comprises: the material belt receiving unit is provided with a first driving piece and a driving wheel, and the driving wheel is used for receiving the material belt; the material belt output unit is provided with a second driving piece and a driven wheel, and the driven wheel is used for outputting the material belt; the first slide rail unit is provided with a first slide rail, a first slide block and a first elastic piece, and the first auxiliary unit is arranged on the first slide block; the first detection unit is provided with a first detection element and a second detection element; the control chip controls the rotation of the first driving member and the second driving member according to the position of the first auxiliary unit detected by the first detecting member and the second detecting member.
Description
Technical Field
The invention relates to a material belt conveying technology, in particular to a material belt conveying device capable of automatically adjusting the tension of a material belt.
Background
Please refer to taiwan patent No. M318613, which is a material belt conveying and positioning device, a driving wheel set (2) is used to clamp and pull a material belt (1) nested in a driven pinwheel (3), a lower roller (22) is used to output the material belt (1), and an upper roller (21) is used to press the material belt (1) to form a clamping material belt (1) with the lower roller (22), so as to achieve the effect of ensuring the material belt (1) to be flat.
However, the above device cannot adjust the speed of the lower roller outputting the material belt in real time, and when an error occurs during the material belt conveying, the device cannot adjust the rotating speed of the lower roller in real time, and the material belt may be uneven.
Disclosure of Invention
The present invention provides a material belt conveying device capable of automatically adjusting the tension of a material belt, which can monitor and adjust the conveying speed of the material belt in real time to keep the material belt being conveyed flat.
In order to achieve the above object, the present invention provides a material belt conveying device capable of automatically adjusting the tension of a material belt, comprising a base; the material belt receiving unit is arranged on the base and is provided with a first driving piece and a driving wheel, the driving wheel is connected with the first driving piece and driven by the first driving piece, the driving wheel is used for receiving a material belt, and the position of the driving wheel for receiving the material belt is defined as a receiving part; the material belt output unit is arranged on the base and is provided with a second driving piece and a driven wheel, the driven wheel is connected with the second driving piece and driven by the second driving piece, the driven wheel is used for outputting the material belt, and the position of the driven wheel for outputting the material belt is defined as an output part; the first auxiliary unit is arranged on the base and provided with a first contact part, the position of the first contact part is higher than the output part of the driven wheel, and the first auxiliary unit is propped against the material belt by the first contact part; the first slide rail unit is arranged on the base and provided with a first slide rail, a first slide block and a first elastic piece, the first slide block can be arranged on the first slide block in a sliding way, the first auxiliary unit is arranged on the first slide block, the first elastic piece is propped against the first slide block, and when the first auxiliary unit is applied with different pressures by the material belt, the first auxiliary unit moves at least at a first position, a second position or a third position along with the first slide block; the first detection unit is arranged on the base and provided with a first detection piece and a second detection piece, and the first detection piece and the second detection piece are used for detecting the position of the first auxiliary unit; the control chip is electrically connected with the first detecting piece, the second detecting piece, the first driving piece and the second driving piece so as to receive detection signals of the first detecting piece and the second detecting piece and further control the rotation of the first driving piece and the second driving piece; when the first auxiliary unit is located at the first position, the first auxiliary unit is detected by the first detecting element and is not detected by the second detecting element, and the control chip controls the rotating speed of the first driving element to be greater than that of the second driving element; when the first auxiliary unit is located at the second position and is detected by the first detecting element and the second detecting element at the same time or is not detected by the first detecting element and the second detecting element at the same time, the control chip controls the rotating speeds of the first driving element and the second driving element to be the same; when the first auxiliary unit is located at the third position, the first auxiliary unit is detected by the second detecting element and is not detected by the first detecting element, and the control chip controls the rotating speed of the first driving element to be smaller than that of the second driving element.
The first sliding block is provided with a first blocking piece and a second blocking piece, and the first blocking piece and the second blocking piece extend from the first sliding block and are respectively positioned at two opposite sides of the first sliding rail.
Wherein, the first auxiliary unit moves to a fourth position along with the first slide block; the first detecting unit further comprises a third detecting element for detecting the position of the first auxiliary unit, the control chip is electrically connected to the third detecting element for receiving the detecting signal of the third detecting element, and the third detecting element detects the position of the first auxiliary unit at the fourth position.
The first and second detecting elements are located on opposite sides of the first slide rail, and the third detecting element and the second detecting element are located on the same side.
Wherein the first, second and third detecting elements are optical sensors.
The second auxiliary unit is arranged on the base and provided with a second contact part, the position of the second contact part is lower than that of the first contact part, and the second auxiliary unit presses the material belt through the second contact part.
The third auxiliary unit is arranged on the base and provided with a third contact part, the position of the third contact part is higher than the receiving part of the driven wheel, and the third auxiliary unit props against the material belt by the third contact part.
The first auxiliary unit is located between the material belt receiving unit and the material belt output unit, the second auxiliary unit is located between the first auxiliary unit and the material belt receiving unit, and the third auxiliary unit is located between the second auxiliary unit and the material belt receiving unit.
The needle wheel is provided with a third driving part and a needle wheel, the third driving part is electrically connected with the control chip, the control chip controls the rotating speed of the third driving part, the needle wheel is connected with the third driving part and driven by the third driving part, and the wheel surface of the needle wheel is provided with a plurality of guide needles radially extending outwards and used for penetrating through a plurality of positioning holes of the material belt.
Wherein, further comprises a second slide rail unit and a second detection unit; the second slide rail unit is arranged on the base and provided with a second slide rail, a second slide block and a second elastic piece, the second slide block can be movably arranged on the second slide rail, the third auxiliary unit is arranged on the second slide block, the second elastic piece is abutted against the second slide block, and when the third auxiliary unit is applied with different pressures by the material belt, the third auxiliary unit moves at least at a fifth position, a sixth position or a seventh position along with the second slide block; the second detection unit is arranged on the base and provided with a fourth detection element and a fifth detection element, and the fourth detection element and the fifth detection element are used for detecting the position of the third auxiliary unit; the control chip is electrically connected with the fourth detection element and the fifth detection element so as to receive detection signals of the fourth detection element and the fifth detection element and further control the rotation of the first driving element and the third driving element; when the third auxiliary unit is located at the fifth position, the third auxiliary unit is detected by the fourth detecting element; when the third auxiliary unit is located at the sixth position, the third auxiliary unit is detected by the fourth detecting element and the fifth detecting element at the same time, or is not detected by the fourth detecting element and the fifth detecting element at the same time; when the third auxiliary unit is located at the seventh position, the third auxiliary unit is detected by the fifth detecting element and is not detected by the fourth detecting element.
The second sliding block is provided with a third separation blade and a fourth separation blade, and the third separation blade and the fourth separation blade extend from the second sliding block and are respectively positioned at two opposite sides of the second sliding rail.
Wherein, the third auxiliary unit moves to an eighth position along with the second sliding block; the second detecting unit further comprises a sixth detecting element, the sixth detecting element detects the position of the third auxiliary unit, and the control chip is electrically connected with the sixth detecting element so as to receive a detecting signal of the sixth detecting element; when the third auxiliary unit is located at the eighth position, it is detected by the sixth detecting element.
The fourth and fifth detecting elements are located on opposite sides of the second slide rail, and the sixth and fifth detecting elements are located on the same side.
Wherein, the fourth, fifth and sixth detecting elements are optical sensors.
The tape carrier further includes a fourth auxiliary unit disposed on the base and located between the second auxiliary unit and the third auxiliary unit, the fourth auxiliary unit having a fourth contact portion, the fourth contact portion being lower than the second contact portion, when the third auxiliary unit is located at the eighth position, the tape is separated from the second contact portion of the second auxiliary unit, and the fourth auxiliary unit is supported against the tape by the fourth contact portion.
Therefore, the invention provides the material belt conveying device capable of automatically adjusting the tension of the material belt, which can monitor and adjust the conveying speed of the material belt in real time so as to keep the material belt in conveying flat.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
Fig. 1 is a perspective view of a first preferred embodiment of the present invention.
Fig. 2 is another perspective view of the first preferred embodiment of the present invention, showing a state of the rear of the base.
FIG. 3 is a partially enlarged view of the first preferred embodiment of the present invention.
Fig. 4 is another enlarged partial view of the first preferred embodiment of the present invention.
Fig. 5 is a first operation diagram of the first preferred embodiment of the invention, showing the first auxiliary unit located at the first position.
Fig. 6 is a second operation diagram of the first preferred embodiment of the invention, showing the first auxiliary unit located at the second position.
Fig. 7 is a third operation diagram of the first preferred embodiment of the invention, showing the first auxiliary unit located at a third position.
Fig. 8 is a fourth operation diagram illustrating the first auxiliary unit located at a fourth position according to the first preferred embodiment of the invention.
FIG. 9 is a block diagram of a first preferred embodiment of the present invention.
Fig. 10 is a perspective view of a second preferred embodiment of the present invention.
FIG. 11 is a partially enlarged view of a second preferred embodiment of the present invention.
Fig. 12 is a first operation diagram illustrating the third auxiliary unit located at a fifth position according to the second preferred embodiment of the invention.
Fig. 13 is a second operation diagram illustrating the third auxiliary unit located at a sixth position according to the second preferred embodiment of the invention.
Fig. 14 is a third operation diagram of the second preferred embodiment of the invention, showing the third auxiliary unit located at the seventh position.
FIG. 15 is a fourth operation diagram illustrating the third auxiliary unit in the eighth position according to the second preferred embodiment of the present invention.
FIG. 16 is a block diagram of a second preferred embodiment of the present invention.
Wherein, the reference numbers:
10 material belt conveying device
11: base
21 material belt receiving unit
23 first driving member
25 driving wheel
251 receiving part
31 material belt output unit
33 second driving member
35 driven wheel
351 output part
41 first auxiliary Unit
43 first contact part
51 second subsidiary Unit
53 second contact part
Third auxiliary Unit 61
63 third contact part
71 first slide rail unit
73 first slide rail
75 first slide block
751 the first baffle plate
753 second stop piece
77 first elastic member
81 first detecting unit
83 first detecting element
85: second detecting element
87 third detecting element
91 control chip
95 driving pinwheel
96 third driving member
97 pinwheel
971 guiding needle
100 material belt
101 locating hole
D1 first predetermined distance
D2 second predetermined distance
D3 third predetermined distance
D4 fourth predetermined distance
P1 first pressure
P2 second pressure
P3 third pressure
P4 fourth pressure
S1 first position
S2 second position
S3 third position
S4 fourth position
10' material belt conveying device
11' base
23' first driving member
25' driving wheel
33' second driving member
35' driven wheel
51' second auxiliary unit
53' second contact part
61' third auxiliary unit
62' fourth auxiliary unit
64' fourth contact part
72' second slide rail unit
74' second slide rail
76' second slide block
761' third baffle
763 the fourth block piece
78' second elastic member
82' a second detection unit
84' a fourth detecting element
86' a fifth detecting element
88'. sixth detecting element
91' control chip
96' third driving member
97' pinwheel
100' material belt
D5' a fifth predetermined distance
A sixth predetermined distance D6
A seventh predetermined distance D7
An eighth predetermined distance D8
P5' fifth pressure
P6' sixth pressure
P7' seventh pressure
P8' eighth pressure
S5': fifth position
S6': sixth position
S7' seventh position
S8': eighth position
Detailed Description
To illustrate the technical features of the present invention in detail, the following preferred embodiments are described in conjunction with the drawings, in which:
a first preferred embodiment of the present invention is shown in fig. 1, 2 and 9, and a tape conveying device 10 for automatically adjusting a tape tension provided by the first preferred embodiment of the present invention mainly comprises a base 11, a tape receiving unit 21, a tape output unit 31, a first auxiliary unit 41, a second auxiliary unit 51, a third auxiliary unit 61, a first sliding rail unit 71, a first detecting unit 81 and a control chip 91, wherein:
as shown in fig. 2, the tape receiving unit 21 is disposed on the base 11, the tape receiving unit 21 has a first driving member 23 and a driving wheel 25, the driving wheel 25 is connected to and driven by the first driving member 23, the driving wheel 25 is configured to receive a tape 100, and a position where the driving wheel 25 receives the tape 100 is defined as a receiving portion 251.
The tape output unit 31 is disposed on the base 11, the tape output unit 31 has a second driving member 33 and a driven wheel 35, the driven wheel 35 is connected to and driven by the second driving member 33, the driven wheel 35 is used for outputting the tape 100, and a position where the driven wheel 35 outputs the tape 100 is defined as an output portion 351.
The first auxiliary unit 41 is disposed on the base 11, the first auxiliary unit 41 has a first contact portion 43, the first contact portion 43 is higher than the output portion 351 of the driven wheel 35, and the first auxiliary unit 41 is supported against the tape 100 by the first contact portion 43.
The second auxiliary unit 51 is disposed on the base 11, the second auxiliary unit 51 has a second contact portion 53, the second contact portion 53 is lower than the first contact portion 43, and the second auxiliary unit 51 presses the tape 100 through the second contact portion 53. In practical implementation, the second auxiliary unit 51 can be omitted if it is not required to press against the tape 100, so that the second auxiliary unit 51 is not an essential element in the present invention.
The third auxiliary unit 61 is disposed on the base 11, the third auxiliary unit 61 has a third contact portion 63, the third contact portion 63 is higher than the receiving portion 251 of the driven wheel 35, and the third auxiliary unit 61 is supported against the material belt 100 by the third contact portion 63. In practical implementation, if not required to abut against the tape 100, the third auxiliary unit 63 can be omitted, so that the third auxiliary unit 63 is not a necessary element in achieving the present invention.
In the first preferred embodiment, the first auxiliary unit 41, the second auxiliary unit 51 and the third auxiliary unit 61 are implemented by using rollers, and in practical implementation, a plate with a smooth and arc-shaped surface may be implemented by using other structures (such as a cylindrical rod with a smooth surface) that are not easy to generate excessive resistance to the tape 100, so the implementation of the first auxiliary unit 41, the second auxiliary unit 51 and the third auxiliary unit 61 is not limited to the preferred embodiment.
In the first preferred embodiment, the first auxiliary unit 41 is located between the tape receiving unit 21 and the tape outputting unit 31, the second auxiliary unit 51 is located between the first auxiliary unit 41 and the tape receiving unit 21, and the third auxiliary unit 61 is located between the second auxiliary unit 51 and the tape receiving unit 21, but not limited thereto.
As shown in fig. 2-3, the first slide rail unit 71 is disposed on the base 11, the first slide rail unit 71 has a first slide rail 73, a first slide block 75 and a first elastic member 77, the first slide block 75 is slidably disposed on the first slide rail 73, the first slide block 75 is disposed with the first auxiliary unit 41, and the first elastic member 77 abuts against the first slide block 75, as shown in fig. 5-7, when the first auxiliary unit 41 is pressed by the tape 100, the first auxiliary unit 41 moves along with the first slide block 75 at least to a first position S1, a second position S2 or a third position S3.
As shown in fig. 3, 5 and 7, the first detecting unit 81 is disposed on the base 11, the first detecting unit 81 has a first detecting element 83 and a second detecting element 85, and the first detecting element 83 and the second detecting element 85 are used for detecting the position of the first auxiliary unit 41.
As shown in fig. 9, the control chip 91 is electrically connected to the first detecting element 83, the second detecting element 85, the first driving element 23 and the second driving element 33, so as to receive the detecting signals of the first detecting element 83 and the second detecting element 85, and further control the rotation of the first and second driving elements 23, 33.
As shown in fig. 2, 6 and 9, when the first auxiliary unit 41 is located at the second position S2, and is detected by the first detecting element 83 and the second detecting element 85, and is determined by the control chip 91 to be in a normal state, the control chip 91 controls the first driving element 23 to drive the driving wheel 25 and the second driving element 33 to drive the driven wheel 35 to keep the speed difference (Δ S) (the speed difference refers to the speed of the driving wheel 25 minus the speed of the driven wheel 35); as shown in fig. 2, 5 and 9, when the first auxiliary unit 41 is located at the first position S1, is detected by the first detecting element 83, is not detected by the second detecting element 85, and is determined to be abnormal by the control chip 91, the control chip 91 controls the speed difference between the rotation speed of the driving wheel 25 and the rotation speed of the driven wheel 35 to increase (to increase as a positive value); as shown in fig. 2, 7 and 9, when the first auxiliary unit 41 is located at the third position S3, is detected by the second detecting element 85, is not detected by the first detecting element 83, and is judged by the control chip 91 to be abnormal, the control chip 91 controls the speed difference between the rotation speed of the driving wheel 25 and the rotation speed of the driven wheel 35 to decrease (to decrease by a positive value, not to decrease by a negative value).
In practical implementation, if the speed difference between the rotation speed of the driving wheel 25 and the rotation speed of the driven wheel 35 is to be increased, the control chip 91 can control the first driving element 23 to increase the rotation speed of the driving wheel 25 and control the rotation speed of the driven wheel 35 to be constant, or can control the first driving element 23 to increase the rotation speed of the driving wheel 25 and control the second driving element 33 to decrease the rotation speed of the driven wheel 35.
In practical implementation, if the speed difference between the driving wheel 25 and the driven wheel 35 is to be reduced, the control chip 91 can control the first driving element 23 to reduce the rotation speed of the driving wheel 25 and control the rotation speed of the driven wheel 35 to be constant, or can control the first driving element 23 to drive the driving wheel 25 and control the second driving element 33 to increase the rotation speed of the driven wheel 35, or can control the first driving element 23 to reduce the rotation speed of the driving wheel 25 and control the second driving element 33 to drive the driven wheel 35 to increase the rotation speed.
In practical implementation (not shown), the first auxiliary unit 41 is located at the second position S2, and may not be detected by the first detecting element 83 and the second detecting element 85 at the same time, and the control chip 91 determines that the state is normal, and the control chip 91 controls the first driving element 23 to drive the driving wheel 25 at a constant speed difference from the second driving element 33 to drive the driven wheel 35 at a constant speed difference.
Therefore, the technical characteristics of the first slide rail unit 71, the first detection unit 81 and the control chip 91 can monitor the conveying condition of the material belt 100 in real time, and adjust the rotation speed of the first driving member 23 and the second driving member 33 in real time according to the abnormal condition of the material belt 100, so as to keep the material belt 100 in conveying flat.
In practical implementation (not shown), the first slide rail unit 71 and the first detecting unit 81 can also be used for the third auxiliary unit 61, and the third auxiliary unit 61 is disposed on the first slide block 75 instead of the first auxiliary unit 41 disposed on the first slide block 75, so as to have the effect of monitoring and adjusting the tape 100 in real time.
In a first preferred embodiment, as shown in fig. 2, 4 and 9, the tape feeder further includes a driving pinwheel 95 disposed on the base 11, the driving pinwheel 95 has a third driving member 96 and a pinwheel 97, the third driving member 96 is electrically connected to the control chip 91, the control chip 91 controls the rotation speed of the third driving member 96, the pinwheel 97 is located between the first auxiliary unit 41 and the third auxiliary unit 61, the pinwheel 97 is connected to and driven by the third driving member 96, and the pinwheel 97 has a plurality of radially outwardly extending guiding pins 971 on its wheel surface for penetrating through a plurality of positioning holes 101 of the tape 100 to improve the positioning accuracy of the tape 100. However, in practical implementation, if there is no need to improve the positioning accuracy of the tape 100, the driving pin wheel 95 can be omitted, so that the driving pin wheel 95 does not meet the requirement of the present invention.
In the first preferred embodiment, as shown in fig. 2, 8 and 9, the first auxiliary unit 41 moves to a fourth position S4 with the first sliding block 75; the first detecting unit 81 further has a third detecting element 87, the third detecting element 87 detects the position of the first auxiliary unit 41, the control chip 91 is electrically connected to the third detecting element 87 for receiving the detecting signal of the third detecting element 87, when the first auxiliary unit 41 is located at the fourth position S4 and is detected by the third detecting element 87, the control chip 91 controls the first, second and third driving elements 23, 33 and 96 to stop operating, so as to prevent the tape 100 from applying excessive pressure to the first auxiliary unit 41 to damage the first auxiliary unit 41. However, in practical implementation, if there is no need for the control chip 91 to control the first, second and third driving members 23, 33, 96 to stop operation, the technical feature that the first auxiliary unit 41 moves to the fourth position S4 along with the first sliding block 75 can be omitted, so that this technical feature is not a requirement of the present invention.
In the first preferred embodiment, as shown in fig. 3 and 5-7, the first slider 75 is provided with a first blocking piece 751 and a second blocking piece 753, the first blocking piece 751 and the second blocking piece 753 extend from the first slider 75 and are respectively located at two opposite sides of the first sliding rail 73; the first, second and third detecting elements 83, 85, 87 are optical sensors, but not limited thereto; the first and second detecting elements 83, 85 are located at two opposite sides of the first sliding rail 73, and the third detecting element 87 is located at the same side as the second detecting element 85; thereby, the first blocking piece 751 is used for triggering the first detecting element 83, and the second blocking piece 753 is used for triggering the second detecting element 85 and the third detecting element 87. In practical implementation, the positions of the first blocking plate 751, the second blocking plate 753, the first detecting member 83, the second detecting member 85 and the third detecting member 87 can be changed according to requirements, so the arrangement of the blocking plates 751, 753 and the detecting members 83, 85, 87 is not limited to the first preferred embodiment.
The structure of the first preferred embodiment of the present invention is described above, and the following description is made of the usage state of the first preferred embodiment of the present invention.
In the normal operation of the present invention, as shown in fig. 2, 6 and 9, the tape 100 is stretched and flattened, the tape 100 applies a second pressure P2 to the first auxiliary unit 41, the first elastic member 77 is compressed by the second pressure P2 for a first predetermined distance D1, the first auxiliary unit 41 is located at the second position S2 along with the first sliding block 75, the first detecting member 83 and the second detecting member 85 simultaneously detect the first auxiliary unit 41, and the control chip 91 receives the detection signals of the first auxiliary unit 41 detected by the first detecting member 83 and the second detecting member 85, so as to determine that the transporting device 10 of the tape 100 is operating normally.
When the invention is abnormally operated, three conditions are mainly existed: the first condition is that the tape 100 is uneven due to insufficient tension between the pinwheel 97 and the first auxiliary unit 41, as shown in fig. 2 and 5, the tape 100 applies a first pressure P1 to the first auxiliary unit 41, the first elastic member 77 is compressed by the first pressure P1 by a second predetermined distance D2, the first auxiliary unit 41 moves along with the first slider 75 at the first position S1, the first detecting member 83 detects the first auxiliary unit 41 and is not detected by the second detecting member 85, the control chip 91 only receives the detection signal of the first auxiliary unit 41 detected by the first detecting member 83, that is, the tape 100 conveying pressure between the pinwheel 97 and the first auxiliary unit 41 is determined to be too low, the control chip 91 controls the rotation speed of the driving wheel 25 and the pinwheel 97 to be raised, so that the speed difference between the driving wheel 25 and the pinwheel 97 and the driven wheel 35 is increased, the tension applied to the tape 100 is raised until the pressure of the tape 100 on the first auxiliary unit 41 is raised to the second pressure P2, the first auxiliary unit 41 moves to the second position S2 (as shown in fig. 6), the control chip 91 determines that the tape 100 conveying device 10 is operating normally, and the control chip 91 stops adjusting the speed difference between the driving wheel 25, the pinwheel 97 and the driven wheel 35.
In the second case, when the tension of the tape 100 between the pinwheel 97 and the first auxiliary unit 41 is too large, as shown in fig. 2, 7 and 9, the tape 100 applies a third pressure P3 to the first auxiliary unit 41, the first elastic member 77 is compressed by the third pressure P3 to a third predetermined distance D3, the first auxiliary unit 41 moves along with the first slider 75 at the third position S3, only the second detecting member 85 detects the first auxiliary unit 41, the control chip 91 only receives the detection signal of the first auxiliary unit 41 detected by the second detecting member 85, the control chip 91 determines that the conveying pressure of the tape 100 between the pinwheel 97 and the first auxiliary unit 41 is too large, the control chip 91 controls to reduce the rotation speed of the driving wheel 25 and the pinwheel 97, so that the difference between the rotation speed of the driving wheel 25 and the pinwheel 97 and the speed of the driven wheel 35 is reduced, the pulling force applied to the tape 100 is reduced until the pressure of the tape 100 on the first auxiliary unit 41 is reduced to the second pressure P2, the first auxiliary unit 41 moves to the second position S2 (as shown in fig. 6), the control chip 91 determines that the tape 100 conveying device 10 is operating normally, and the control chip 91 stops adjusting the speed difference between the driving wheel 25 and the pinwheel 97 and the driven wheel 35.
A third situation also occurs when the tension of the strip of material 100 between the pinwheel 97 and the first auxiliary unit 41 is too great, as shown in figures 2, 8 and 9, the tape 100 applies a fourth pressure P4 to the first auxiliary unit 41, the first elastic member 77 is compressed by the fourth pressure P4 by a fourth predetermined distance D4, the first auxiliary unit 41 moves with the first slider 75 at the fourth position S4, the fourth detecting member 84 detects the first auxiliary unit 41, the control chip 91 receives the detection signal of the first auxiliary unit 41 detected by the third detecting element 87, the control chip 91 determines that the feeding pressure of the material belt 100 between the pinwheel 97 and the first auxiliary unit 41 is too high, the control chip 91 controls the driving wheel 25, the driven wheel 35 and the pinwheel 97 to stop running, so as to avoid the pressure for conveying the material belt 100 from being excessively abnormal, which may cause the damage of the material belt conveying device 10.
Therefore, the material belt conveying device capable of automatically adjusting the tension of the material belt, provided by the invention, can monitor the conveying condition of the material belt in real time by virtue of the technical characteristics of the first slide rail unit, the first detection unit and the control chip, and can adjust the rotating speeds of the driving wheel, the driven wheel and the pin wheel in real time according to the abnormal condition of the material belt so as to keep the material belt in conveying flat.
A second preferred embodiment of the present invention provides a tape conveying device 10' for automatically adjusting a tape tension, which is substantially similar to the first preferred embodiment, except that:
as shown in fig. 10-14, further includes a second slide rail unit 72 'and a second detecting unit 82'; the second slide rail unit 72 ' is disposed on the base 11 ', the second slide rail unit 72 ' has a second slide rail 74 ', a second slide block 76 ', and a second elastic member 78 ', the second slide block 76 ' is movably disposed on the second slide rail 74 ', the third auxiliary unit 61 ' is disposed on the second slide block 76 ', the second elastic member 78 ' abuts against the second slide block 76 ', as shown in fig. 12-14, when the third auxiliary unit 61 ' is pressed by the tape 100 ', the third auxiliary unit 61 ' moves along with the second slide block 76 ' at least to a fifth position S5 ', a sixth position S6 ', or a seventh position S7 '.
The second detecting unit 82 'is disposed on the base 11', and the second detecting unit 82 'has a fourth detecting element 84' and a fifth detecting element 86 ', and the fourth detecting element 84' and the fifth detecting element 86 'are used for detecting the position of the third auxiliary unit 61'.
As shown in fig. 16, the control chip 91 ' is electrically connected to the fourth detector 84 ' and the fifth detector 86 ' for receiving the detection signals of the fourth detector 84 ' and the fifth detector 86 ' and further controlling the rotation of the first driving element 23 ' and the third driving element 96 '.
As shown in fig. 12-14 and 16, when the third auxiliary unit 61 'is located at the sixth position S6', and is detected by the fourth detecting element 84 'and the fifth detecting element 86' (as shown in fig. 13), and is determined to be normal by the control chip 91 ', the control chip 91' controls the speed difference between the speed at which the first driving element 23 'drives the driving wheel 25', the speed at which the second driving element 33 'drives the driven wheel 35', and the speed at which the third driving element 96 'drives the pinwheel 97' to be constant (the speed difference refers to the speed at which the driving wheel 25 'subtracts the speed at which the driven wheel 35' and the speed at which the pinwheel 97 'subtracts the speed at which the driven wheel 35'; when the third auxiliary unit 61 'is located at the fifth position S5', detected by the fourth detecting element 84 '(as shown in fig. 12), and determined as abnormal state by the control chip 91', the control chip 91 'controls the speed difference between the driven wheel 35' and the pin wheel 97 'and the driving wheel 25' to increase (increase by a positive value); when the third auxiliary unit 61 ' is located at the seventh position S7 ', is detected by the fifth detecting element 86 ' and is not detected by the fourth detecting element 84 ' (as shown in fig. 14), and is determined to be abnormal by the control chip 91 ', the control chip 91 ' controls the speed difference between the driven wheel 35 ' and the pinwheel 97 ' and the driving wheel 25 ' to decrease (a positive value decreases, but a non-negative value decreases).
In practical implementation, if the speed difference between the driven wheel 35 'and the pinwheel 97' and the driving wheel 25 'is to be increased, the control chip 91' can control the second and third driving members 33 ', 96' to respectively drive the driven wheel 35 'and the pinwheel 97' to increase in rotation speed, and control the first driving member 23 'to drive the driving wheel 25' to keep constant rotation speed, or can control the second and third driving members 33 ', 96' to drive the driven wheel 35 'and the pinwheel 97' to keep constant rotation speed, and control the first driving member 23 'to drive the driving wheel 25' to increase in rotation speed, or can control the second and third driving members 33 ', 96' to respectively drive the driven wheel 35 'and the pinwheel 97' to decrease in rotation speed.
In practice, to reduce the speed difference between the driven wheel 35 ' and the pinwheel 97 ' and the driving wheel 25 ', the control chip 91 ' can drive the driven wheel 35 ' and the pinwheel 97 ' to rotate at a reduced speed by controlling the second and third driving members 33 ', 96 ', respectively, and controlling the first driving member 23 'to drive the driving wheel 25' at a constant speed, or by controlling the second driving member 33 'and the third driving member 96', the rotation speeds of the driven wheel 35 'and the pinwheel 97' are respectively driven to be constant, and controls the first driving member 23 'to drive the driving wheel 25' to reduce the rotating speed, or by controlling the second driving member 33 'and the third driving member 96', the rotation speed of the driven wheel 35 'and the pinwheel 97' can be respectively driven to increase, and controls the first driving member 23 'to drive the driving wheel 25' to reduce the rotating speed.
In practical implementation (not shown), when the third auxiliary unit 61 'is located at the sixth position S6' and is not detected by the fourth detecting element 84 'and the fifth detecting element 86', the control chip 91 'also controls the speed difference of the driving wheel 25', the driven wheel 35 'and the pinwheel 97' to be constant.
In the second preferred embodiment, as shown in fig. 15-16, the third auxiliary unit 61 ' moves with the second slider 76 ' to an eighth position S8 '; the second detecting unit 82 ' further has a sixth detecting element 88 ', the sixth detecting element 88 ' detects the position of the third auxiliary unit 61 ', and the control chip 91 ' is electrically connected to the sixth detecting element 88 ' for receiving the detecting signal of the sixth detecting element 88 '; when the third auxiliary unit 61 'is located at the eighth position S8', detected by the sixth detecting element 88 ', the control chip 91' controls the first, second and third driving elements 23 ', 33', 96 'to stop operating, so as to prevent the tape 100' from exerting excessive pressure on the third auxiliary unit 61 'and causing damage to the third auxiliary unit 61'. However, in practical implementation, if there is no need for the control chip 91 ' to control the first, second and third driving members 23 ', 33 ', 96 ' to stop operation, the technical feature of the third auxiliary unit 61 ' moving to the eighth position S8 ' along with the second slide block 76 ' can be omitted, so that this technical feature is not a requirement of the present invention.
In the second preferred embodiment, as shown in fig. 10, 11 and 15, a fourth auxiliary unit 62 ' is further included, which is disposed on the base 11 ' and located between the second auxiliary unit 51 ' and the third auxiliary unit 61 ', the fourth auxiliary unit 62 ' has a fourth contact portion 64 ', the fourth contact portion 64 ' is located lower than the second contact portion 53 ', when the third auxiliary unit 61 ' is located at the eighth position S8 ', the tape 100 ' is separated from the second contact portion 53 ' of the second auxiliary unit 51 ', and the fourth auxiliary unit 62 ' is abutted against the tape 100 ' by the fourth contact portion 64 ', so as to prevent the tape 100 ' from exerting an excessive pressure on the third auxiliary unit 61 ' and causing the damage of the third auxiliary unit 61 '. However, in practical implementation, since the control chip 91 'controls the first, second and third driving members 23', 33 ', 96' to stop operation when the third auxiliary unit 61 'is located at the eighth position S8', the fourth auxiliary unit 61 'can be omitted, and the fourth auxiliary unit 61' is not a requirement of the present invention.
In the second preferred embodiment, the fourth auxiliary unit 61 ' is implemented by using a roller, and in practical implementation, it can also be implemented by using a plate with a smooth and arc-shaped surface, or other structures (such as a cylindrical rod with a smooth surface) that are not easy to generate excessive resistance to the tape 100 ', so the implementation of the fourth auxiliary unit 61 ' is not limited to the second preferred embodiment.
As shown in fig. 12-15, in the second preferred embodiment, the second slider 76 ' is provided with a third block 761 ' and a fourth block 763 ', the third block 761 ' and the fourth block 763 ' extend from the second slider 76 ' and are respectively located at two opposite sides of the second slide rail 74 '; the fourth, fifth and sixth detectors 84 ', 86 ', 88 ' are photosensors, but not limited thereto; the fourth and fifth detectors 84 ', 86 ' are located on opposite sides of the second slide rail 74 ', and the sixth detector 88 ' is located on the same side as the fifth detector 86 '; therefore, the third blocking piece 761 ' is used for triggering the fourth detecting element 84 ', and the fourth blocking piece 763 ' is used for triggering the fifth detecting element 86 ' and the sixth detecting element 88 '. In practical implementation, the positions of the third blocking piece 761 ', the fourth blocking piece 763', the fourth detecting piece 84 ', the fifth detecting piece 86' and the sixth detecting piece 88 'can be changed according to requirements, so the arrangement of the blocking pieces 761', 763 'and the detecting pieces 84', 86 ', 88' is not limited to the second preferred embodiment.
The structure of the second preferred embodiment of the present invention is described above, and the following description is made of the usage state of the second preferred embodiment of the present invention.
In the normal operation of the present invention, the tape 100 'is stretched and flattened, as shown in fig. 13 and 16, the tape 100' applies a sixth pressure P6 'to the third auxiliary unit 61', the second elastic member 78 'is compressed by the sixth pressure P6' for a fifth predetermined distance D5 ', the third auxiliary unit 61' is located at the sixth position S6 'along with the second slider 76', the fifth detecting member 86 'and the sixth detecting member 88' simultaneously detect the third auxiliary unit 61 ', the control chip 91' receives the detecting signals of the fourth detecting member 84 'and the fifth detecting member 86' and the control chip 91 'determines that the tape feeding device 10' operates normally.
When the invention is abnormally operated, three conditions are mainly existed: in the first case, the tape 100 ' is uneven due to insufficient tension between the pinwheel 97 ' and the third auxiliary unit 61 ', as shown in fig. 12 and 16, the tape 100 ' applies a fifth pressure P5 ' to the third auxiliary unit 61 ' to compress a sixth predetermined distance D6 ', the third auxiliary unit 61 ' moves to the fifth position S5 ' along with the second slider 76 ', the fourth detecting element 84 ' detects the third auxiliary unit 61 ' and is not detected by the fifth detecting element 86 ', the control chip 91 ' only receives the detecting signal of the third auxiliary unit 61 ' detected by the fourth detecting element 84 ', namely, determines that the conveying pressure of the tape 100 ' between the pinwheel 97 ' and the third auxiliary unit 61 ' is too small, the control chip 91 ' controls the rotation speed of the second driving element 33 ' and the third driving element 96 ' to be raised, so that the speed difference between the driven wheel 35 ' and the pinwheel 97 ' and the driving wheel 25 ' is increased, the tension applied to the tape 100 'is raised until the pressure of the tape 100' on the third auxiliary unit 61 'is raised to the sixth pressure P6' (as shown in fig. 13), the control chip 91 'confirms that the tape feeding device 10' is operating normally, and the control chip 91 'stops controlling and increasing the speed difference between the driven wheel 35' and the pinwheel 97 'and the driving wheel 25'.
In the second case, when the tension of the tape 100 ' between the pinwheel 97 ' and the third auxiliary unit 61 ' is too large, the tape 100 ' applies a seventh pressure P7 ' to the third auxiliary unit 61 ', as shown in fig. 14 and 16, the second elastic member 78 ' is compressed by a seventh pressure P7 ' for a seventh predetermined distance D7 ', the third auxiliary unit 61 ' moves along with the second slider 76 ' at the seventh position S7 ', the fifth detecting member 86 ' detects the third auxiliary unit 61 ' and is not detected by the fourth detecting member 84 ', the control chip 91 ' receives the detecting signal of the third auxiliary unit 61 ' detected by the fifth detecting member 86 ', the control chip 91 ' determines that the feeding pressure of the tape 100 ' between the pinwheel 97 ' and the third auxiliary unit 61 ' is too large, and the control chip 91 ' controls to reduce the rotation speed of the driven wheel 35 ' and the pinwheel 97 ', the speed difference between the driven wheel 35 ' and the pinwheel 97 ' and the driving wheel 25 ' is reduced, so that the pulling force exerted on the tape 100 ' is reduced until the pressure of the tape 100 ' on the third auxiliary unit 61 ' is increased back to the sixth pressure P6 ', the third auxiliary unit 61 ' is located at the sixth position S6 ' (as shown in fig. 13), the control chip 91 ' confirms that the tape conveying device 10 ' is operating normally, and the control chip 91 ' stops controlling and reducing the speed difference between the driven wheel 35 ', the pinwheel 97 ' and the driving wheel 25 '.
The third situation also occurs when the tension of the tape 100 ' between the pinwheel 97 ' and the first auxiliary unit 41 ' is too large, as shown in fig. 15 and 16, the tape 100 ' applies an eighth pressure P8 ' to the third auxiliary unit 61 ', the second elastic member 78 ' is compressed by an eighth predetermined distance D8 ' under the eighth pressure P8 ', the third auxiliary unit 61 ' moves at the eighth position S8 ' along with the second slider 76 ', the sixth detecting member 88 ' detects the third auxiliary unit 61 ', the control chip 91 ' receives the detecting signal of the third auxiliary unit 61 ' detected by the sixth detecting member 88 ', the control chip 91 ' determines that the pressure of the tape 100 ' between the pinwheel 97 ' and the third auxiliary unit 61 ' is too large, the control chip 91 ' controls the first driving member 23 ', the second driving member 33 ' and the third driving member 96 ' to stop operating, so as to avoid the pressure for conveying the material belt 100 'from being excessively abnormal, and causing the damage of the material belt conveying device 10'.
Therefore, the material belt conveying device capable of automatically adjusting the tension of the material belt, provided by the invention, can monitor the conveying condition of the material belt in real time by virtue of the technical characteristics of the second slide rail unit, the second detection unit and the control chip, and can adjust the rotating speeds of the first driving piece, the second driving piece and the third driving piece in real time according to the conveying condition of the material belt so as to keep the material belt in conveying flat.
The rest of the structure and functions of the second preferred embodiment are the same as those of the first preferred embodiment, and therefore are not described again.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (15)
1. The utility model provides an automatic adjust tensile material area conveyor in material area which characterized in that includes:
a base:
the material belt receiving unit is arranged on the base and is provided with a first driving piece and a driving wheel, the driving wheel is connected with the first driving piece and driven by the first driving piece, the driving wheel is used for receiving a material belt, and the position of the driving wheel for receiving the material belt is defined as a receiving part;
the material belt output unit is arranged on the base and is provided with a second driving piece and a driven wheel, the driven wheel is connected with the second driving piece and driven by the second driving piece, the driven wheel is used for outputting the material belt, and the position of the driven wheel for outputting the material belt is defined as an output part;
the first auxiliary unit is arranged on the base and provided with a first contact part, the position of the first contact part is higher than the output part of the driven wheel, and the first auxiliary unit is propped against the material belt by the first contact part;
the first slide rail unit is arranged on the base and provided with a first slide rail, a first slide block and a first elastic piece, the first slide block can be arranged on the first slide rail in a sliding way, the first auxiliary unit is arranged on the first slide block, the first elastic piece is abutted against the first slide block, and when the first auxiliary unit is applied with different pressures by the material belt, the first auxiliary unit moves at least to a first position, a second position or a third position along with the first slide block;
the first detection unit is arranged on the base and provided with a first detection piece and a second detection piece, and the first detection piece and the second detection piece are used for detecting the position of the first auxiliary unit; and
the control chip is electrically connected with the first detecting piece, the second detecting piece, the first driving piece and the second driving piece so as to receive the detecting signals of the first detecting piece and the second detecting piece and further control the rotation of the first driving piece and the second driving piece;
when the first auxiliary unit is located at the first position, the first auxiliary unit is detected by the first detecting element and is not detected by the second detecting element; when the first auxiliary unit is located at the second position, the first auxiliary unit is detected by the first detecting element and the second detecting element at the same time, or the first auxiliary unit is not detected by the first detecting element and the second detecting element at the same time; when the first auxiliary unit is located at the third position, the first auxiliary unit is detected by the second detecting element and is not detected by the first detecting element.
2. The tape feeding device of claim 1, wherein: the first sliding block is provided with a first blocking piece and a second blocking piece, and the first blocking piece and the second blocking piece extend from the first sliding block and are respectively positioned at two opposite sides of the first sliding rail.
3. The tape feeding device of claim 1, wherein: the first auxiliary unit moves to a fourth position along with the first sliding block; the first detecting unit further comprises a third detecting element for detecting the position of the first auxiliary unit, the control chip is electrically connected to the third detecting element for receiving the detecting signal of the third detecting element, and the third detecting element detects the position of the first auxiliary unit at the fourth position.
4. The tape feeding device of claim 3, wherein: the first and second detecting elements are located on opposite sides of the first slide rail, and the third detecting element and the second detecting element are located on the same side.
5. The tape feeding device of claim 3, wherein: the first, second and third detecting elements are photosensors.
6. The tape feeding device of claim 1, wherein: the second auxiliary unit is arranged on the base and provided with a second contact part, the position of the second contact part is lower than that of the first contact part, and the second auxiliary unit presses the material belt through the second contact part.
7. The tape feeding device of claim 6, wherein: the third auxiliary unit is arranged on the base and provided with a third contact part, the position of the third contact part is higher than the receiving part of the driven wheel, and the third auxiliary unit is propped against the material belt by the third contact part.
8. The tape feeding device of claim 7, wherein: the first auxiliary unit is located between the material belt receiving unit and the material belt output unit, the second auxiliary unit is located between the first auxiliary unit and the material belt receiving unit, and the third auxiliary unit is located between the second auxiliary unit and the material belt receiving unit.
9. The tape feeding device of claim 8, wherein: the needle wheel is provided with a third driving part and a needle wheel, the third driving part is electrically connected with the control chip, the control chip controls the rotating speed of the third driving part, the needle wheel is connected with and driven by the third driving part, and the wheel surface of the needle wheel is provided with a plurality of guide needles radially extending outwards and used for penetrating through a plurality of positioning holes of the material belt.
10. The tape feeding device of claim 8, wherein: further comprises a second slide rail unit and a second detection unit; the second slide rail unit is arranged on the base and provided with a second slide rail, a second slide block and a second elastic piece, the second slide block can be movably arranged on the second slide rail, the third auxiliary unit is arranged on the second slide block, the second elastic piece is abutted against the second slide block, and when the third auxiliary unit is applied with different pressures by the material belt, the third auxiliary unit moves at least at a fifth position, a sixth position or a seventh position along with the second slide block; the second detection unit is arranged on the base and provided with a fourth detection element and a fifth detection element, and the fourth detection element and the fifth detection element are used for detecting the position of the third auxiliary unit; the control chip is electrically connected with the fourth detection element and the fifth detection element so as to receive detection signals of the fourth detection element and the fifth detection element and further control the rotation of the first driving element and the third driving element; when the third auxiliary unit is located at the fifth position, the third auxiliary unit is detected by the fourth detecting element; when the third auxiliary unit is located at the sixth position, the third auxiliary unit is detected by the fourth detecting element and the fifth detecting element at the same time, or is not detected by the fourth detecting element and the fifth detecting element at the same time; when the third auxiliary unit is located at the seventh position, the third auxiliary unit is detected by the fifth detecting element and is not detected by the fourth detecting element.
11. The tape feeding device for automatically adjusting the tape tension according to claim 10, wherein: the second sliding block is provided with a third separation blade and a fourth separation blade, and the third separation blade and the fourth separation blade extend from the second sliding block and are respectively positioned at two opposite sides of the second sliding rail.
12. The tape feeding device for automatically adjusting the tape tension according to claim 10, wherein: the third auxiliary unit moves to an eighth position along with the second sliding block; the second detecting unit further comprises a sixth detecting element, the sixth detecting element detects the position of the third auxiliary unit, and the control chip is electrically connected with the sixth detecting element so as to receive a detecting signal of the sixth detecting element; when the third auxiliary unit is located at the eighth position, it is detected by the sixth detecting element.
13. The tape feeding device for automatically adjusting the tape tension according to claim 10, wherein: the fourth and fifth detecting elements are located on opposite sides of the second slide rail, and the sixth and fifth detecting elements are located on the same side.
14. The tape feeding device for automatically adjusting the tape tension according to claim 10, wherein: the fourth, fifth and sixth detecting elements are photosensors.
15. The tape feeding device of claim 10, further comprising a fourth auxiliary unit disposed on the base and located between the second auxiliary unit and the third auxiliary unit, the fourth auxiliary unit having a fourth contact portion, the fourth contact portion being lower than the second contact portion, when the third auxiliary unit is located at the eighth position, the tape is separated from the second contact portion of the second auxiliary unit, and the fourth auxiliary unit is supported against the tape by the fourth contact portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010328466.XA CN113548531A (en) | 2020-04-23 | 2020-04-23 | Material belt conveying device capable of automatically adjusting tension of material belt |
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| CN202010328466.XA CN113548531A (en) | 2020-04-23 | 2020-04-23 | Material belt conveying device capable of automatically adjusting tension of material belt |
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| CN113548531A true CN113548531A (en) | 2021-10-26 |
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| CN202010328466.XA Pending CN113548531A (en) | 2020-04-23 | 2020-04-23 | Material belt conveying device capable of automatically adjusting tension of material belt |
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| JPH10101020A (en) * | 1996-09-30 | 1998-04-21 | Sony Corp | Taping machine |
| JP2002338106A (en) * | 2001-05-18 | 2002-11-27 | Sanken Electric Co Ltd | Long material transferring device |
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