A lower density diamond structure for a hosiery machine

Abstract

The utility model belongs to the hosiery technical field, especially relates to a lower density diamond structure of hosiery, it solved the problem that stitch cannot smoothly slide on the middle diamond from between left diamond and lower block reversely. The lower density diamond structure of hosiery, including the mounting plate of circular arc, the inside arc surface of mounting plate is equipped with middle diamond and the left diamond at the downstream side of middle diamond, the upper diamond is equipped with above the middle diamond, the lower block is arranged at the lower side of left diamond, the lower block and left diamond form the lower passage between, the upstream end of lower passage is connected with the inclined side of middle diamond through reverse transition structure. Realized the effect that stitch can smoothly slide on the middle diamond through the lower passage reversely, improved fault tolerance.

Description

Technical Field

[0001] This utility model belongs to the field of sock knitting technology, and specifically relates to a low-density rhomboid structure for sock knitting. Background Technology

[0002] A sock knitting machine is a complex machine used to knit socks. During the knitting process, the knitting density of the sock body needs to be achieved by a density diamond structure, which affects the quality of the socks.

[0003] In the prior art, most low-density rhombus structures are mainly composed of an upper rhombus, left and right rhombuses, a middle rhombus located below the upper rhombus, and rhombus stop blocks below the left and right rhombuses. The top of the needle pin of the guide pin can cooperate with the guide slope of the left rhombus and be guided to the lower channel between the left rhombus and the lower stop block. In most existing structures, there is a drop between the top surface of the lower stop block on the inclined side of the middle rhombus, so as not to affect the forward movement of the needle pin.

[0004] However, when certain malfunctions occur in the machine causing the syringe to rotate in the opposite direction, i.e. the needle guide moves in the opposite direction, due to the drop, the needle cannot smoothly slide from the top surface of the lower stop block to the inclined side of the middle rhombus, which may result in the needle breaking. The fault tolerance rate is low. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by proposing a low-density rhomboid structure for sock knitting machines.

[0006] To achieve the innovative objectives of this utility model, the following technical solutions can be used: A sock knitting machine with a lower density rhomboid structure includes an arc-shaped mounting plate. The inner arc surface of the mounting plate is provided with a middle rhomboid and a left rhomboid located downstream of the middle rhomboid. An upper rhomboid is provided above the middle rhomboid. Lower blocks are provided at intervals below the left rhomboid. A lower channel is formed between the lower blocks and the left rhomboid. The upstream end of the lower channel is connected to the inclined side of the middle rhomboid through a reverse transition structure.

[0007] The lower density rhomboid structure of this utility model is part of the needle cylinder of a sock machine. The mounting plate is arc-shaped and used for mounting the rhomboid and other structures. The left rhomboid, upper rhomboid, middle rhomboid, and lower stop are detachably fixed to the mounting plate by bolts. The upper rhomboid is shaped like an inverted triangle, and the middle rhomboid is shaped like a trapezoid. The top surface of the middle rhomboid is opposite to the bottom of the upper rhomboid, forming a channel between them that allows the needles of the guide plate to pass through. After the upper needles of the guide plate pass through this channel, the selected upper needles of the guide plate move obliquely upward along the second guide slope of the upper rhomboid to the top of the upper rhomboid. The unselected needles move obliquely downward through the first guide slope of the left rhomboid to the lower channel between the left rhomboid and the lower stop. Of course, a corresponding needle selection structure is provided on the mounting plate. The above is the prior art and will not be elaborated further. For the lower needle that slides through the lower channel, when the machine malfunctions and causes the syringe to reverse, i.e. the guide needle moves in the opposite direction, the lower needle may move in the opposite direction from the lower channel to the inclined side of the middle rhombus. A reversal transition structure is provided at the front end of the lower channel to ensure that the lower needle slides smoothly up the inclined side, avoids breakage, and increases fault tolerance.

[0008] In the aforementioned low-density rhomboid structure of the sock machine, the reverse transition structure includes a height compensation part disposed on the lower stop block. The top of the height compensation part is not lower than the bottom of the inclined side, and the side of the height compensation part is provided with a guide transition surface.

[0009] The upper end of the lower stop block is provided with an upwardly protruding height compensation part. A guide transition surface is formed on the side of the height compensation part away from the middle rhombus. The guide transition surface can guide the upper needle to the top of the height compensation part. Moreover, the top of the height compensation part is not lower than the inclined side, ensuring that the upper needle slides smoothly up or down to the inclined side from the top.

[0010] In the aforementioned lower density rhomboid structure of the sock machine, the height compensation part is located at the top of the lower stop block, and the guide transition surface is provided on the side away from the middle rhomboid. The guide transition surface is inclined towards the middle rhomboid, and its lower end is smoothly connected to the top surface of the lower stop block, while its upper end is connected to the compensation top surface of the height compensation part.

[0011] The guide transition surface is inclined to ensure upward sliding guidance and to smoothly connect with the top surface of the lower stop block, so that the upper pin can slide smoothly onto the guide transition surface, reducing the possibility of breakage.

[0012] In the aforementioned low-density rhomboid structure of the sock machine, the guide transition surface is arc-shaped, and its lower end is smoothly connected to the top surface of the lower stop block. Alternatively, the guide transition surface is planar, with a transition fillet between its lower end and the top surface of the lower stop block.

[0013] The guide transition surface can be a complete arc or a plane. Of course, a rounded corner is needed between the planar guide transition surface and the top surface of the lower stop block to ensure a smooth transition of the upper pin.

[0014] In the aforementioned low-density rhomboid structure of the sock machine, the height compensation part is located below the first guide slope of the left rhomboid, and the first guide slope is located on the upstream side of the left rhomboid and faces the middle rhomboid.

[0015] The first guide ramp is located on the side of the left rhombus near the middle rhombus and is set at an angle downwards, so as to cooperate with the corresponding upper pin to guide it to the lower channel downwards.

[0016] In the aforementioned lower density rhomboid structure of the sock machine, the angle between the first guide slope of the left rhomboid and the horizontal plane is between 49 and 50 degrees. The size of the inclination angle of the first guide slope affects the contact and fit between the upper needle and the first guide slope, as well as the smoothness of the downward guidance. The angle in this application is smaller than the traditional 52 degrees, and 49.5 degrees is preferred, which is beneficial to improving the stable fit with the upper needle.

[0017] In the aforementioned lower-density rhomboid structure of the sock machine, a second guide slope facing the left rhomboid is provided on the downstream side of the upper rhomboid. The inclination angle of the second guide slope relative to the horizontal plane is between 26 and 30 degrees, allowing the upper needle of the needle guide plate to slide upwards along the second guide slope. This inclination angle facilitates the smooth sliding of the upper needle along the second guide slope, contributing to improved machine operating speed. The angle in this application is smaller than the existing 35 degrees, with 28 degrees being preferred, which helps improve the smoothness of operation.

[0018] In the aforementioned lower density rhomboid structure of the sock machine, a small rhomboid is provided below the lower stop block. The small rhomboid includes a circumferentially extending guide top surface and a third guide slope located at the upstream end and inclined downwards. The lower needle of the guide needle plate can slide along the guide top surface or be guided downwards by the third guide slope. From the vertical direction, the upstream end of the small rhomboid is located between the top surface of the middle rhomboid and the upstream end of the left rhomboid.

[0019] The small diamond is generally a circumferentially extending strip shape with a flat guide surface at its top. It can cooperate with the lower needle of the selected guide pin to support it upward. The upstream end of the small diamond has a downward protruding boss. Near the middle diamond, the boss has a downward-sloping third guide slope. The third guide slope can cooperate with the unselected lower needle to prevent the upper needle from rushing up to the top surface of the left diamond and ensure that it cooperates smoothly with the first guide slope. In other words, the upstream end of the small diamond is equivalent to the intersection where the guide pin travels along the lower or upper channel.

[0020] In the aforementioned sock machine's lower density rhomboid structure, the vertical thickness of the small rhomboid is between 5-7mm, and the distance between the lower channel and the bottom surface of the small rhomboid is less than the distance between the upper and lower needles of the guide needle plate.

[0021] The small diamond-shaped bevel is designed to be thinner, meaning the upstream boss is thinner, which translates to a shorter third guide ramp. After the lower needle engages with the first guide ramp for a short distance, it slides out of the third guide ramp, avoiding interference between the lower needle and the small diamond-shaped bevel. A thickness of 6mm is preferred.

[0022] In the aforementioned low-density rhomboid structure of the sock machine, the lower inner side of the mounting plate is provided with a circumferentially extending positioning mounting groove, the radial outer side of the small rhomboid is provided with a first connecting hole, and the top surface is provided with a second connecting hole. The small rhomboid is fixed to the side and top surface of the positioning mounting groove by bolts through the first connecting hole and the second connecting hole, respectively.

[0023] The top of the positioning and mounting groove has a horizontally downward stepped surface. The small diamond is set between the stepped surface and the inner side of the positioning and mounting groove. The small diamond has an axially extending second connecting hole and a radially extending first connecting hole. The mounting plate has corresponding connecting holes. Bolts pass through the first and second connecting holes to fix the small diamond radially and axially, ensuring that it is installed in place and preventing it from turning inward.

[0024] Compared with the prior art, the present invention has the following main advantages: 1. For the lower needle that slides through the lower channel, when the machine malfunctions and causes the syringe to reverse, i.e. the guide needle moves in the opposite direction, the lower needle may move in the opposite direction from the lower channel to the inclined side of the middle rhombus. A reversal transition structure is provided at the front end of the lower channel to ensure that the lower needle slides smoothly up the inclined side, avoids breakage, and increases fault tolerance.

[0025] 2. The upper end of the lower stop block is provided with an upwardly protruding height compensation part. A guide transition surface is formed on the side of the height compensation part away from the middle rhombus. The guide transition surface can guide the upper needle to the top of the height compensation part. Moreover, the top of the height compensation part is not lower than the inclined side, ensuring that the upper needle slides smoothly up or down to the inclined side from the top.

[0026] 3. The thickness of the small diamond is designed to be thinner, meaning the thickness of the upstream boss is smaller, which also means the third guide slope is shorter. After the lower needle travels a certain distance with the first guide slope, it slides out of the third guide slope, avoiding interference between the lower needle and the small diamond. A thickness of 6mm is preferred.

[0027] 4. The small diamond is provided with an axially extending second connecting hole and a radially extending first connecting hole. The bolt passes through the first connecting hole and the second connecting hole to fix the small diamond radially and axially, ensuring that it is installed in place and stable, and preventing it from turning inward. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the lower density rhomboid structure provided by this utility model being set in the whole; Figure 2 This is a schematic diagram of the low-density rhomboid structure provided by this utility model; Figure 3 yes Figure 2 Enlarged detail view of point A in the middle; Figure 4 This is a schematic diagram of the structure of the small rhombus provided by this utility model.

[0029] In the figure, 1 is the mounting plate, 2 is the middle rhombus, 3 is the left rhombus, 4 is the upper rhombus, 5 is the lower stop block, 6 is the lower channel, 7 is the reversing transition structure, 8 is the inclined side, 9 is the height compensation part, 10 is the guide transition surface, 11 is the compensation top surface, 12 is the transition rounded corner, 13 is the first guide slope, 14 is the second guide slope, 15 is the guide pin plate, 16 is the upper pin, 17 is the small rhombus, 18 is the guide top surface, 19 is the third guide slope, 20 is the lower pin, 21 is the positioning mounting groove, 22 is the first connecting hole, and 23 is the second connecting hole. Detailed Implementation

[0030] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0031] Specific implementation examples Figure 1-4 As shown, the lower density rhomboid structure of this sock machine includes an arc-shaped mounting plate 1. A middle rhomboid 2 and a left rhomboid 3 located downstream of the middle rhomboid 2 are provided on the inner arc surface of the mounting plate 1. An upper rhomboid 4 is provided above the middle rhomboid 2. A lower stop block 5 is provided at intervals below the left rhomboid 3. A lower channel 6 is formed between the lower stop block 5 and the left rhomboid 3. The upstream end of the lower channel 6 is connected to the inclined side 8 of the middle rhomboid 2 through a reversing transition structure 7.

[0032] Specifically, the lower density rhomboid structure is part of the needle cylinder of the sock machine. The mounting plate 1 is arc-shaped and used for the installation of rhomboid structures. The left rhomboid 3, upper rhomboid 4, middle rhomboid 2, and lower stop block 5 are detachably fixed to the mounting plate 1 by bolts. The upper rhomboid 4 is shaped like an inverted triangle, and the middle rhomboid 2 is shaped like a trapezoid. The top surface of the middle rhomboid 2 is opposite to the bottom of the upper rhomboid 4, forming a channel between them that allows the needle foot of the guide plate 15 to pass through. For the lower needle foot 20 that slides through the lower channel 6, when the machine malfunctions and causes the needle cylinder to reverse, that is, the guide plate 15 moves in the opposite direction, the lower needle foot 20 may move in the opposite direction from the lower channel 6 to the inclined side 8 of the middle rhomboid 2. A reversal transition structure 7 is provided at the front end of the lower channel 6 to ensure that the lower needle foot 20 slides smoothly up the inclined side 8, avoids breakage, and increases fault tolerance.

[0033] like Figure 1 , 2 As shown in Figure 3, the reversing transition structure 7 includes a height compensation part 9 disposed on the lower stop block 5. The top of the height compensation part 9 is not lower than the bottom of the inclined side 8, and a guide transition surface 10 is provided on the side of the height compensation part 9. The height compensation part 9 is located at the top of the lower stop block 5, and the guide transition surface 10 is provided on the side away from the middle rhombus 2. The guide transition surface 10 is inclined towards the middle rhombus 2, and its lower end is smoothly connected to the top surface of the lower stop block 5, and its upper end is connected to the compensation top surface 11 of the height compensation part 9. The guide transition surface 10 is planar, and a transition fillet 12 is provided between its lower end and the top surface of the lower stop block 5. The height compensation part 9 is located below the first guide inclined surface 13 of the left rhombus 3. The first guide inclined surface 13 is disposed on the upstream side of the left rhombus 3 and faces the middle rhombus 2.

[0034] Specifically, the upper end of the lower stop block 5 is provided with an upwardly protruding height compensation part 9. A guide transition surface 10 is formed on the side of the height compensation part 9 away from the middle rhombus 2. This guide transition surface 10 guides the upper needle 16 towards the top of the height compensation part 9. Furthermore, the top of the height compensation part 9 is not lower than the inclined side surface 8, ensuring that the upper needle 16 smoothly falls from the top onto the inclined side surface 8. The guide transition surface 10 is inclined to ensure upward sliding guidance and smoothly connects with the top surface of the lower stop block 5, allowing the upper needle 16 to slide smoothly onto the guide transition surface 10, reducing the possibility of breakage. The guide transition surface 10 is planar, and a transition rounded corner 12 is provided between it and the top surface of the lower stop block 5 to ensure a smooth transition of the upper needle 16. The first guide inclined surface 13 is located on the side of the left rhombus 3 near the middle rhombus 2 and is inclined downwards, capable of cooperating with the corresponding upper needle 16 to guide it downwards into the lower channel 6.

[0035] In this embodiment, the first guide slope 13 of the left rhombus 3 forms an angle of 49.5 degrees with the horizontal plane. A second guide slope 14 is provided on the downstream side of the upper rhombus 4, facing the left rhombus 3, and the second guide slope 14 has an inclination angle of 28 degrees with respect to the horizontal plane.

[0036] like Figure 2 , 3 As shown in Figure 4, a small rhombus 17 is provided below the lower stop block 5. The small rhombus 17 includes a circumferentially extending guide top surface 18 and a third guide slope 19 located at the upstream end and inclined downwards. The upstream end of the small rhombus 17 has a downwardly protruding boss, and the third guide slope 19 is located on the upstream side of the boss. The lower needle 20 of the guide needle plate 15 can slide along the guide top surface 18 or be guided downwards by the third guide slope 19. From the vertical direction, the upstream end of the small rhombus 17 is located between the top surface of the middle rhombus 2 and the upstream end of the left rhombus 3. The vertical thickness of the small rhombus 17 is 6mm, and the distance between the lower channel 6 and the bottom surface of the small rhombus 17 is smaller than the distance between the upper needle 16 and the lower needle 20 of the guide needle plate 15. The lower inner side of the mounting plate 1 is provided with a circumferentially extending positioning mounting groove 21. The radial outer side of the small diamond 17 is provided with a first connecting hole 22, and the top surface is provided with a second connecting hole 23. The small diamond 17 is fixed to the side and top surface of the positioning mounting groove 21 by bolts through the first connecting hole 22 and the second connecting hole 23, respectively.

[0037] Specifically, the small rhombus 17 is generally a circumferentially extending strip, with a flat guide surface 18 at its top. This surface can engage with the lower needle 20 of the selected guide needle 15, supporting it upwards. The third guide slope 19 can engage with the unselected lower needle 20, preventing the upper needle 16 from reaching the top surface of the left rhombus 3 and ensuring smooth engagement with the first guide slope 13. The small rhombus 17 is designed to be thin, meaning the thickness of the upstream boss is smaller, which implies a shorter third guide slope 19. After the lower needle 20 engages with the first guide slope 13 for a certain distance, it slides out of the third guide slope 19, avoiding interference between the lower needle 20 and the small rhombus 17. The top of the positioning mounting groove 21 has a horizontally downward stepped surface. The small diamond 17 is set between the stepped surface and the inner side of the positioning mounting groove 21. The small diamond 17 is provided with an axially extending second connecting hole 23 and a radially extending first connecting hole 22. The mounting plate 1 is provided with corresponding connecting holes. The bolt passes through the first connecting hole 22 and the second connecting hole 23 to fix the small diamond 17 radially and axially, ensuring that it is installed in place and preventing it from turning inward.

[0038] Specific working principle: When the machine malfunctions and causes the syringe to reverse, the upper needle 16 located at the lower position slides in the opposite direction in the lower channel 6, and then slides onto the top surface of the height compensation part 9 through the guide transition surface 10, and from the top surface slides onto the inclined side surface 8 of the middle rhombus 2 to avoid breaking.

[0039] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A low-density rhomboid structure for a sock knitting machine, comprising an arc-shaped mounting plate (1), wherein a central rhomboid (2) is provided on the inner arc surface of the mounting plate (1), and a left rhomboid (3) is located downstream of the central rhomboid (2), and an upper rhomboid (4) is provided above the central rhomboid (2), characterized in that, A lower stop block (5) is provided at intervals below the left rhombus (3), and a lower channel (6) is formed between the lower stop block (5) and the left rhombus (3). The upstream end of the lower channel (6) is connected to the inclined side (8) of the middle rhombus (2) through a reverse transition structure (7).

2. The low-density rhomboid structure of the sock knitting machine according to claim 1, characterized in that, The reversing transition structure (7) includes a height compensation part (9) provided on the lower stop (5). The top of the height compensation part (9) is not lower than the bottom of the inclined side (8). The side of the height compensation part (9) is provided with a guide transition surface (10).

3. The low-density rhomboid structure of the sock knitting machine according to claim 2, characterized in that, The height compensation part (9) is located at the top of the lower block (5), and the guide transition surface (10) is provided on the side away from the middle rhombus (2). The guide transition surface (10) is inclined towards the middle rhombus (2), and its lower end is smoothly connected to the top surface of the lower block (5), and its upper end is connected to the compensation top surface (11) of the height compensation part (9).

4. The low-density rhomboid structure of the sock knitting machine according to claim 3, characterized in that, The guide transition surface (10) is arc-shaped, and its lower end is smoothly connected to the top surface of the lower stop block (5); Alternatively, the guide transition surface (10) is planar, and a transition fillet (12) is provided between the lower end and the top surface of the lower stop block (5).

5. The low-density rhomboid structure of the sock knitting machine according to claim 2, characterized in that, The height compensation part (9) is located below the first guide slope (13) of the left rhombus (3). The first guide slope (13) is located on the upstream side of the left rhombus (3) and faces the middle rhombus (2).

6. The low-density rhomboid structure of the sock knitting machine according to claim 1, characterized in that, The angle between the first guide slope (13) of the left rhombus (3) and the horizontal plane is between 49 and 50 degrees.

7. The low-density rhomboid structure of the sock knitting machine according to claim 1, characterized in that, The downstream side of the upper rhombus (4) is provided with a second guide slope (14) facing the left rhombus (3). The inclination angle of the second guide slope (14) relative to the horizontal plane is between 26 and 30 degrees. The upper needle (16) of the guide needle plate (15) can slide upward along the second guide slope (14).

8. The low-density rhomboid structure of the sock knitting machine according to claim 1, characterized in that, The lower stop (5) is provided with a small rhombus (17), which includes a circumferentially extending guide top surface (18) and a third guide slope (19) located at the upstream end and inclined downward. The lower needle foot (20) of the guide needle piece (15) can slide along the guide top surface (18) or be guided downward by the third guide slope (19). Viewed vertically, the upstream end of the small water chestnut (17) is located between the top surface of the middle water chestnut (2) and the upstream end of the left water chestnut (3).

9. The low-density rhomboid structure of the sock knitting machine according to claim 8, characterized in that, The vertical thickness of the small rhombus (17) is between 5-7mm, and the distance between the lower channel (6) and the bottom surface of the small rhombus (17) is less than the distance between the upper needle (16) and the lower needle (20) of the guide needle plate (15).

10. The low-density rhomboid structure of the sock knitting machine according to claim 8, characterized in that, The mounting plate (1) has a circumferentially extending positioning mounting groove (21) on the inner side of its lower end. The small rhombus (17) has a first connecting hole (22) on its radial outer side and a second connecting hole (23) on its top surface. The small rhombus (17) is fixed to the side and top surface of the positioning mounting groove (21) by bolts through the first connecting hole (22) and the second connecting hole (23), respectively.

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