Tension detection device for knitwear production

Abstract

The invention discloses a tension detection device for knitwear production, and the device comprises a tension detection device which is used for carrying out the tension detection of a to-be-tested knitwear, and the to-be-tested knitwear is straightened through winding and unwinding rods at two sides and then is tensioned; the tension detection device comprises a center rod, the interior of the center rod is hollow to form a hollow cavity, and a first spiral guide groove is formed in the inner wall face of the hollow cavity in the axial direction of the center rod. By driving the sliding sleeve to spirally move along the center rod, the effect of spirally sinking the tension contact piece and the edge of the knitted sweater can be achieved, meanwhile, the linkage piece is lifted to drive the central position of the knitted sweater to spirally protrude, the tension distribution condition of the knitted sweater in the actual use process can be more truly restored, and the tension effect of the knitted sweater is improved. And through the linkage design of the edge and the center position, it can be ensured that the whole knitwear is evenly stressed in the detection process, and more accurate tension detection is achieved.

Description

Technical Field

[0001] The present invention relates to the field of knitted sweater detection, and particularly to a tension detection device for knitted sweater production. Background Art

[0002] During the production process of knitted sweaters, tension detection is one of the key links to ensure product quality. Existing tension detection devices usually rely on simple stretching or compression mechanisms, and judge the tension distribution of the fabric by measuring the tension value of the fabric under stress. However, such devices have obvious limitations in practical applications.

[0003] Firstly, traditional tension detection devices can usually only measure the tension change of the fabric in a single direction, and cannot simulate the complex stress distribution that the fabric may bear during actual use. This single detection mode ignores the stress and deformation of the fabric in multi-dimensional space, resulting in a large difference between the detection result and the actual use scenario. Therefore, the existing devices cannot accurately restore the tension state of the knitted sweater during wearing or use, and thus cannot effectively predict the use performance and durability of the fabric.

[0004] Secondly, in order to make up for the above deficiencies and improve the detection accuracy, traditional tension detection devices usually need to add multiple sensors, complex mechanical transmission structures or adopt advanced calculation models to achieve more refined detection. This not only greatly increases the structural complexity of the device, but also leads to a significant increase in manufacturing costs and maintenance costs. At the same time, the structural complexity also increases the possibility of failures during the operation of the device, reducing its reliability in practical applications.

[0005] In addition, due to its relatively rigid design, traditional tension detection devices are difficult to adapt to the dynamic changes of flexible fabrics such as knitted sweaters under different tension states, further affecting the accuracy of the detection results. The limitation of the existing technology is that it cannot effectively simulate the tension change of the knitted sweater in variable scenarios, so it is difficult to provide high-accuracy and high-reliability tension detection data. Summary of the Invention

[0006] In order to solve the above problems, the present invention provides a tension detection device for knitted sweater production, which can more realistically restore the tension state of the knitted sweater in actual use through spiral motion and linkage mechanism, while simplifying the device structure and improving the detection accuracy and reliability.

[0007] The present invention is realized through the following technical solutions: A tension detection device for knitted sweater production, comprising:

[0008] A tension detection device for detecting the tension of the knitted sweater to be tested. The knitted sweater to be tested is straightened and tensioned by the winding and unwinding rollers on both sides.

[0009] The described tension detection device includes:

[0010] A central rod, the interior of the central rod is hollow to form a hollow cavity. The inner wall surface of the hollow cavity is provided with a first spiral guide groove along the axial direction of the central rod. A driving piston is installed in the hollow cavity, and the driving piston can perform a spiral telescopic reciprocating motion along the hollow cavity and the first spiral guide groove;

[0011] A driving sliding sleeve, the driving sliding sleeve is slidably installed outside the central rod. The outer wall surface of the central rod is provided with a second spiral guide groove along the axial direction of the central rod. The driving sliding sleeve can perform a spiral telescopic reciprocating motion along the central rod and the second spiral guide groove;

[0012] One or more tension detection rods, one end of each of the one or more tension detection rods is elastically hinged to the outer circumferential surface of the bottom of the driving slider, and the other end of each of the one or more tension detection rods is a tension contact member, and the tension contact member is in rolling contact with the to-be-tested knitted garment;

[0013] A pulling linkage member, one end of the pulling linkage member is fixedly connected to the top surface of the driving sliding sleeve, and the other end is fixedly connected to the top surface of the driving piston;

[0014] A lifting linkage member, the lifting linkage member is fixedly installed on the lower end surface of the driving piston;

[0015] When a downward pressure is applied to the driving sliding sleeve, each tension detection rod gradually opens, and performs a spiral motion during the downward pressing process, and drives the driving piston and the lifting linkage member to spiral upward through the lifting linkage member. The lifting linkage member is used to hook the to-be-tested knitted garment and make the center position of the knitted garment to be tested spiral convex, and the outer edge position to be tested of the to-be-tested knitted garment spiral concave.

[0016] As a preferred technical solution, the lifting linkage member includes more than one group of fixed rods fixedly arranged on the top of the driving sliding sleeve. One end of a pulling wire is fixedly installed on each fixed rod. A guide wheel is arranged on the top surface of the central rod corresponding to each fixed rod. The other end of the pulling wire is fixedly connected to the driving piston through the guide wheel. When the driving sliding sleeve descends, the driving piston ascends.

[0017] As a preferred technical solution, a bearing is installed at the bottom position of the central rod, a rotating ring is installed outside the bearing, and a hinged connection group is arranged between the rotating ring and each tension detection rod.

[0018] As a preferred technical solution, each of the hinged connection groups includes a first connection ear fixedly installed outside the rotating ring, and a second connection ear fixedly installed on each tension detection rod. A hinged rod is arranged between the first connection ear and the second connection ear.

[0019] As a preferred technical solution, the hinge rods each include a first hinge rod and a second hinge rod. One end of the first hinge rod is hinged to the first connecting ear, the other end of the first hinge rod is hinged to one end of the second hinge rod, and the other end of the second hinge rod is hinged to the second connecting ear.

[0020] As a preferred technical solution, the tension contact members each include a fixed sleeve fixedly arranged at the bottom of the tension detection rod. A spherical cavity is arranged on the bottom surface of each fixed sleeve, and a rolling ball is arranged in each spherical cavity.

[0021] As a preferred technical solution, a force - applying ring is fixedly arranged on the outer circumferential surface of the driving sliding sleeve.

[0022] As a preferred technical solution, the force - applying ring is driven by an external driving member, and the driving member is a cylinder or a telescopic motor.

[0023] As a preferred technical solution, a plurality of connecting springs are further arranged between the fixed sleeve and the tension detection rod. The fixed sleeve and the tension detection rod are connected by a plurality of connecting springs, and a pressure sensor is further arranged between the fixed sleeve and the tension detection rod.

[0024] As a preferred technical solution, the lifting linkage member includes a linkage rod and a conical portion. A lifting step surface is formed at the connection position of the conical portion and the linkage rod, and the conical surface of the conical portion is arranged downward.

[0025] The beneficial effects of the present invention are as follows: The tension detection device for knitting production provided by the present invention can achieve a spiral depression effect between the tension contact member and the edge of the knitting through the spiral movement of the driving sliding sleeve along the central rod. At the same time, the central position of the knitting is driven by the lifting linkage member to spiral protrude. This can not only more truly restore the tension distribution of the knitting during actual use, thereby improving the accuracy and reliability of detection, but also ensure uniform force on the entire knitting during the detection process through the linkage design between the edge and the central position, realizing more accurate tension detection;

[0026] In addition, through the spiral movement mode, the present invention effectively simplifies the device structure, reduces the manufacturing and maintenance costs, and improves the stability and durability of the device at the same time; and this structure can greatly simplify the overall structure of the tension detection device and reduce the economic cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0028] Figure 1 It is the usage state diagram of the present invention;

[0029] Figure 2 It is the overall structure schematic diagram of the present invention;

[0030] Figure 3 It is Figure 2 The partial enlarged view of part A in

[0031] Figure 4 It is Figure 2 The partial enlarged view of part B in

[0032] Figure 5 It is the bottom structure schematic diagram of the present invention;

[0033] Figure 6 It is the cross-sectional schematic diagram of the present invention;

[0034] Explanation of reference numerals:

[0035] 100, the knitted sweater to be measured; 300, the tension detection device; 200, the winding and unwinding rod; 1, the central rod; 20, the hollow cavity; 19, the first spiral guide groove; 18, the driving piston; 4, the driving sliding sleeve; 2, the tension detection rod; 6, the pulling steel wire; 17, the guide wheel; 15, the bearing; 11, the rotating ring; 16, the first connecting ear; 12, the second connecting ear; 13, the first articulated rod; 14, the second articulated rod; 7, the fixed sleeve; 8, the rolling ball; 3, the force application ring; 10, the linkage rod; 9, the conical part. Detailed implementation manners

[0036] All the features disclosed in this specification, or all the steps in the disclosed methods or processes, except for mutually exclusive features and / or steps, can be combined in any manner.

[0037] Any feature disclosed in this specification (including any additional claims, abstract, and drawings), unless specifically stated, can be replaced by other equivalent or features with similar purposes. That is, unless specifically stated, each feature is only an example of a series of equivalent or similar features.

[0038] Such as Figure 1 And Figure 2As shown, a tension detection device for knitted sweater production of the present invention comprises a tension detection device 300, which is used to perform tension detection on a knitted sweater 100 to be tested. The knitted sweater to be tested is straightened and tensioned by the retractable rollers 200 on both sides. After tensioning, the tension detection device presses down to contact the knitted sweater to perform a pressure test. If the knitted sweater can withstand the pressure within the set pressure value range, the detection requirement is met.

[0039] Specifically, Figure 2 and Figure 6 The tension detection device shown includes a center rod 1, the center rod 1 is hollow inside to form a hollow cavity 20, the inner wall surface of the hollow cavity 20 is provided with a first spiral guide groove 19 along the axial direction of the center rod 1, a driving piston 18 is installed in the hollow cavity 20, and the driving piston 18 can perform spiral telescopic reciprocating motion along the hollow cavity 20 and the first spiral guide groove 19;

[0040] It also includes a driving sleeve 4, which is slidably mounted on the outside of the central rod 1. The outer wall surface of the central rod 1 is provided with a second spiral guide groove along the axial direction of the central rod 1. The driving sleeve 4 can perform spiral telescopic reciprocating motion along the central rod 1 and the second spiral guide groove. The driving sleeve 4 and the driving piston 18 can realize spiral rotation while lifting and lowering during the process of lifting and lowering.

[0041] like Figure 2 and Figure 5 As shown, it also includes more than one tension detection rod 2, one end of the more than one tension detection rod 2 is elastically hinged on the outer circumferential surface of the bottom of the driving slide, and the other end of the more than one tension detection rod 2 is a tension contact piece, and the tension contact piece is in rolling contact with the sweater 100 to be tested. When each tension detection rod 2 is in a natural state, it is in a retracted state due to the influence of the elastic hinge position. When each tension detection rod is pressed down to realize tension detection, due to the contact with the sweater 100 to be tested, as the pressure continues to be pressed down, each tension detection rod 2 will be continuously stretched. In this process, the tension contact piece, which originally contacts the central area of ​​the sweater, will gradually spirally move from the central area to the edge area of ​​the sweater as it is continuously stretched;

[0042] It further includes a pulling linkage member, one end of the pulling linkage member is fixedly connected to the top surface of the driving sliding sleeve 4, and the other end is fixedly connected to the top surface of the driving piston 18; and a lifting linkage member is included, the lifting linkage member is fixedly installed on the lower end surface of the driving piston 18. Through the pulling linkage member and the lifting linkage member, when the tension detection rod 2 is spirally opened from the inside to the outside, the central area of the knitted sweater will be spirally convex, so as to realize the internal and external linkage effect and complete the tension detection at multiple position points. The internal and external spiral linkage realized by the pulling linkage member and the lifting linkage member in the present invention enables the device to synchronously detect the tension changes at the center and the edge of the knitted sweater, and can more truly restore the tension distribution at each position point during the actual use of the knitted sweater, avoiding the limitation of single-direction tension detection and providing more comprehensive tension distribution data.

[0043] Specifically, when a downward pressure is applied to the driving sliding sleeve 4, each tension detection rod 2 gradually opens and makes a spiral movement during the downward pressing process, and drives the driving piston 18 and the lifting linkage member to spiral upward through the lifting linkage member. The lifting linkage member is used to hook the knitted sweater to be tested and make the central position to be tested of the knitted sweater spiral convex, and the outer edge position to be tested of the knitted sweater to be tested 100 spiral concave.

[0044] Such as Figure 2 and Figure 4 As shown, the lifting linkage member includes more than one group of fixing rods fixedly arranged on the top of the driving sliding sleeve 4. One end of the pulling steel wire 6 is fixedly installed on each fixing rod. A guide wheel 17 is arranged on the top surface of the central rod 1 corresponding to each fixing rod. The other end of the pulling steel wire 6 is fixedly connected to the driving piston 18 through the guide wheel 17. When the driving sliding sleeve 4 descends, the driving piston 18 ascends.

[0045] Wherein, a bearing 15 is installed at the bottom position of the central rod 1, a rotating ring 11 is installed outside the bearing 15, and a hinge connection group is arranged between the rotating ring 11 and each tension detection rod 2. When the driving sliding sleeve 4 rotates circumferentially in a spiral manner, the rotating ring 11 rotates, but its axial position remains fixed.

[0046] Such as Figure 3 and Figure 5 As shown, the hinge connection group includes a first connection ear 16 fixedly installed outside the rotating ring 11 and a second connection ear 12 fixedly installed on each tension detection rod 2. A hinge rod is arranged between the first connection ear 16 and the second connection ear 12.

[0047] The articulated rods each include a first articulated rod 13 and a second articulated rod 14. One end of the first articulated rod 13 is articulated with the first connecting ear 16, the other end of the first articulated rod 13 is articulated with one end of the second articulated rod 14, and the other end of the second articulated rod 14 is articulated with the second connecting ear 12. When the tension detection rod 2 is opened, the entire articulated connection group is opened, realizing the smooth opening of the tension detection rod 2.

[0048] Among them, the tension contact members each include a fixed sleeve 7 fixedly arranged at the bottom of the tension detection rod 2. A spherical cavity is arranged on the bottom surface of the fixed sleeve 7, and a rolling ball 8 is arranged in each spherical cavity. By arranging the rolling ball 8, displacement at any position in the circumference is realized, so as to always rollingly contact the knitted sweater and tightly press with tension.

[0049] Among them, a force application ring 3 is fixedly arranged on the outer circumferential surface of the driving sliding sleeve 4. The force application ring 3 is driven by an external driving member, and the driving member is a cylinder or a telescopic motor. The telescopic action of the driving sliding sleeve 4 is realized by the motor or the cylinder. The structure of the driving member is omitted in the drawings in this embodiment and will not be specifically described here.

[0050] Among them, multiple groups of connecting springs are also arranged between the fixed sleeve 7 and the tension detection rod 2. The fixed sleeve 7 and the tension detection rod 2 are connected by multiple groups of connecting springs, and a pressure sensor is also arranged between the fixed sleeve 7 and the tension detection rod 2. When the tension detection rod 2 is pressed, the pressure sensor can be used for pressure detection. The lifting linkage member includes a linkage rod 10 and a conical portion 9. A lifting step surface is formed at the connection position between the conical portion 9 and the linkage rod 10, and the conical surface of the conical portion 9 is arranged downward. Of course, in order to detect simultaneously at multiple points, a pressure sensor can also be arranged on the upper end surface of the lifting step surface of the lifting linkage member. In this way, when lifting upward, the pressure sensor can also contact the lower end surface of the knitted sweater to achieve the purpose of pressure detection. The present invention has a spiral tension detection method from the inside to the outside, supplemented by a central spiral traction detection with linkage, which can effectively simulate a complex use environment and make the detection result more accurate.

[0051] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement that can be thought of without creative labor should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A tension detection device for knitted sweater production, characterized in that: include: A tension detection device (300) is used to perform tension detection on a sweater (100) to be tested, wherein the sweater to be tested is straightened and tensioned by retractable rollers (200) on both sides; The tension detection device comprises: A center rod (1), wherein the center rod (1) is hollow inside to form a hollow cavity (20), an inner wall surface of the hollow cavity (20) is provided with a first spiral guide groove (19) along the axial direction of the center rod (1), a driving piston (18) is installed in the hollow cavity (20), and the driving piston (18) can perform spiral telescopic reciprocating motion along the hollow cavity (20) and the first spiral guide groove (19); A driving sleeve (4), wherein the driving sleeve (4) is slidably mounted on the outside of the central rod (1), and a second spiral guide groove is arranged on the outer wall surface of the central rod (1) along the axial direction of the central rod (1), and the driving sleeve (4) can perform spiral telescopic reciprocating motion along the central rod (1) and the second spiral guide groove; One or more tension detection rods (2), one end of each of the one or more tension detection rods (2) is elastically hinged on the outer circumferential surface of the bottom of the driving slide, and the other end of each of the one or more tension detection rods (2) is a tension contact piece, and the tension contact piece is in rolling contact with the sweater (100) to be tested; A pulling linkage, one end of which is fixedly connected to the top surface of the driving sleeve (4), and the other end of which is fixedly connected to the top surface of the driving piston (18); A lifting linkage member, the lifting linkage member being fixedly mounted on the lower end surface of the driving piston (18); When downward pressure is applied to the driving sleeve (4), each tension detection rod (2) gradually opens and makes a spiral motion during the downward pressure process, and drives the driving piston (18) and the lifting linkage to move upward in a spiral motion through the lifting linkage. The lifting linkage is used to hook the sweater to be tested and make the center position of the sweater to be tested spirally convex, and the outer edge position of the sweater to be tested (100) to be tested spirally concave.

2. The tension detection device for knitted sweater production according to claim 1, characterized in that: The lifting linkage comprises one or more fixed rods fixedly arranged on the top of the driving sleeve (4), one end of a pulling wire (6) being fixedly mounted on each fixed rod, a guide wheel (17) being arranged on the top surface of the center rod (1) corresponding to each fixed rod, the other end of the pulling wire (6) being fixedly connected to the driving piston (18) via the guide wheel (17), and when the driving sleeve (4) descends, the driving piston (18) rises.

3. The tension detection device for knitted sweater production according to claim 1, characterized in that: A bearing (15) is installed at the bottom of the central rod (1), a rotating ring (11) is installed outside the bearing (15), and a hinged connection group is provided between the rotating ring (11) and each tension detection rod (2).

4. The tension detection device for knitted sweater production according to claim 3, characterized in that: The hinged connection group comprises a first connection ear (16) fixedly mounted on the outside of the rotating ring (11), and a second connection ear (12) fixedly mounted on each tension detection rod (2), and a hinged rod is arranged between the first connection ear (16) and the second connection ear (12).

5. The tension detection device for knitted sweater production according to claim 4, characterized in that: The hinged rods each comprise a first hinged rod (13) and a second hinged rod (14); one end of the first hinged rod (13) is hinged to the first connecting ear (16); the other end of the first hinged rod (13) is hinged to one end of the second hinged rod (14); and the other end of the second hinged rod (14) is hinged to the second connecting ear (12).

6. The tension detection device for knitted sweater production according to claim 1, characterized in that: The tension contact members each comprise a fixed sleeve (7) fixedly arranged at the bottom of the tension detection rod (2); a spherical cavity is arranged on the bottom surface of the fixed sleeve (7); and a rolling ball (8) is arranged in each spherical cavity.

7. The tension detection device for knitted sweater production according to claim 1, characterized in that: A force ring (3) is fixedly arranged on the outer circumferential surface of the driving sliding sleeve (4).

8. The tension detection device for knitwear production according to claim 7, characterized in that: The force applying ring (3) is driven by an external driving member, and the driving member is a cylinder or a telescopic motor.

9. The tension detection device for knitwear production according to claim 6, characterized in that: A plurality of groups of connecting springs are also provided between the fixing sleeve (7) and the tension detection rod (2); the fixing sleeve (7) and the tension detection rod (2) are connected via the plurality of groups of connecting springs; and a pressure sensor is also provided between the fixing sleeve (7) and the tension detection rod (2).

10. The tension detection device for knitwear production according to claim 1, characterized in that: The lifting linkage member comprises a linkage rod (10) and a tapered portion (9); a lifting step surface is formed at a connection position between the tapered portion (9) and the linkage rod (10); and the tapered surface of the tapered portion (9) is arranged downward.

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