Needle row vertical arm for multi-needle quilting machine
By using a motor to drive the main shaft and transmission belt to rotate the needle row shaft, and combining this with bevel gears to adjust the belt tension, the problem of needle row arm flexibility and adjustment is solved, enabling complex pattern weaving and efficient operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN XINHENGCHANG INTELLIGENT EQUIP CO LTD
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-10
AI Technical Summary
The existing needle row arm has poor flexibility, making it difficult to meet the needs of complex pattern weaving, and the belt tension adjustment is cumbersome, affecting transmission stability and work efficiency.
The motor drives the main shaft to rotate, and the unidirectional rotation and up-and-down swing of the needle shaft are achieved through the transmission belt and needle plate switching structure. The combination of bevel gear and telescopic rod structure makes it easy to adjust the belt tension.
It improves the flexibility of the needle row arm, enabling the weaving of more complex patterns, simplifies belt tension adjustment, and improves work efficiency.
Smart Images

Figure CN224106074U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of textile, especially a needle row vertical arm for multi-needle quilting machine. BACKGROUND
[0002] The quilting machine is a kind of textile machinery for the surface stitching linear pattern of mattress, bed cover, quilt and the like.The quilting machine for quilt forming can be divided into straight quilting machine and computerized quilting machine according to the number of needles and the number of stitching patterns.The straight quilting machine is usually 7-needle, 9-needle or 11-needle, which can only stitch straight lines;the computerized quilting machine is single-needle design, which uses computer visual interface to control the movement of the machine to realize the stitching of patterns.
[0003] The existing needle row vertical arm has poor flexibility.Eight groups of needle row vertical arms of general quilting machine are driven by rotating shafts, and the needle rows are driven to move up and down synchronously by the rotating shafts, which limits the diversity and complexity of the knitted fabric.In the face of local adjustment or complex pattern knitting tasks, this movement mode may not meet the needs, reducing the practicability and applicability, and it is also inconvenient to adjust the tightness of the belt.In general, the belt will be stretched during work, resulting in a decrease in the tightness between the belt and the pulley, affecting the stability of transmission, and the tightness of the belt is generally adjusted by adjusting the supporting roller, which is usually fixed by bolts, and needs to be disassembled and adjusted using tools during adjustment, so the adjustment process is relatively cumbersome, increasing the workload and reducing the work efficiency.In order to solve the above problems, a needle row vertical arm for multi-needle quilting machine is proposed. SUMMARY
[0004] The utility model aims at providing a needle row vertical arm for multi-needle quilting machine, which has good flexibility and is convenient to adjust the tightness of the belt.
[0005] The above technical purpose of the utility model is realized by the following technical scheme: a needle row vertical arm for multi-needle quilting machine, comprising a base, a fixed frame is connected to the top of the base, a needle row shaft is rotatably connected between the inner walls of the fixed frame, a driving mechanism is arranged between the needle row shaft and the base, a supporting frame is installed on the surface of the needle row shaft, a cylinder is installed on the surface of the supporting frame, a push plate and a main transmission disc are respectively installed on the output end of the cylinder, a reversing fixed seat is installed on the surface of the push plate and the surface of the needle row shaft, an eccentric wheel is installed on the surface of the needle row shaft, a wheel shell is installed on the surface of the eccentric wheel, a slide column is installed in the inner wall of the eccentric wheel, a needle column swing lever is installed between the fixed frames and the surface of the wheel shell, a vertical arm is installed on the surface of the needle column swing lever, a fixed shaft is installed on the surface of the vertical arm and connected to the fixed frame.
[0006] Adopting the technical scheme, the single-direction rotation of the motor drives the single-direction rotation of the main shaft, the single-direction rotation of the main shaft drives the single-direction rotation of the needle row shaft through the first transmission belt and the second transmission belt, the single-direction rotation is changed into the single-direction up-down swinging action through the needle row switching structure, and the single-direction up-down swinging action drives the single needle row vertical arm to work independently, so that the good flexibility can be achieved, more complex knitting patterns and structures can be realized, and diversified knitting requirements can be met.
[0007] The utility model further provides: the surface of fixed frame is hinged with fixed link, the inner wall sliding sleeve of fixed link is connected with telescopic link, the inner wall screw thread connection of telescopic link has screw rod, and screw rod and the inner wall rotation sleeve of fixed link, the surface fixed sleeve of screw rod has first bevel gear, the surface of first bevel gear is engaged with second bevel gear, the axle of second bevel gear is fixed with pivot, and pivot and the inner wall rotation sleeve of fixed link, one end of telescopic link is hinged with support roller.
[0008] Adopting the technical scheme, the single-direction rotation of the motor drives the single-direction rotation of the main shaft, the single-direction rotation of the main shaft drives the single-direction rotation of the needle row shaft through the first transmission belt and the second transmission belt, the single-direction rotation is changed into the single-direction up-down swinging action through the needle row switching structure, and the single-direction up-down swinging action drives the single needle row vertical arm to work independently, so that the good flexibility can be achieved, more complex knitting patterns and structures can be realized, and diversified knitting requirements can be met.
[0009] The utility model further provides: drive mechanism includes motor, the motor is installed at the bottom of base, the output fixed sleeve of motor has first belt pulley, the top of base is installed with main shaft, the surface fixed sleeve of main shaft has second belt pulley, and the surface transmission connection of first belt pulley and second belt pulley has first transmission belt, the surface fixed sleeve of main shaft has third belt pulley, the surface fixed sleeve of needle row shaft has fourth belt pulley, and the surface transmission connection of third belt pulley and fourth belt has second transmission belt.
[0010] Adopting the technical scheme, the single-direction rotation of the motor drives the single-direction rotation of the main shaft, the single-direction rotation of the main shaft drives the single-direction rotation of the needle row shaft through the first transmission belt and the second transmission belt, the single-direction rotation is changed into the single-direction up-down swinging action through the needle row switching structure, and the single-direction up-down swinging action drives the single needle row vertical arm to work independently, so that the good flexibility can be achieved, more complex knitting patterns and structures can be realized, and diversified knitting requirements can be met.
[0011] The utility model further provides: one end of pivot is hinged with rotation head.
[0012] Adopting the technical scheme, the single-direction rotation of the motor drives the single-direction rotation of the main shaft, the single-direction rotation of the main shaft drives the single-direction rotation of the needle row shaft through the first transmission belt and the second transmission belt, the single-direction rotation is changed into the single-direction up-down swinging action through the needle row switching structure, and the single-direction up-down swinging action drives the single needle row vertical arm to work independently, so that the good flexibility can be achieved, more complex knitting patterns and structures can be realized, and diversified knitting requirements can be met.
[0013] The utility model further provides: the surface of telescopic link is hinged with sliding block, the surface sliding connection of sliding block has sliding slot, and sliding slot is set up in the inner wall of fixed link.
[0014] Adopting the technical scheme, the single-direction rotation of the motor drives the single-direction rotation of the main shaft, the single-direction rotation of the main shaft drives the single-direction rotation of the needle row shaft through the first transmission belt and the second transmission belt, the single-direction rotation is changed into the single-direction up-down swinging action through the needle row switching structure, and the single-direction up-down swinging action drives the single needle row vertical arm to work independently, so that the good flexibility can be achieved, more complex knitting patterns and structures can be realized, and diversified knitting requirements can be met.
[0015] The utility model further sets up: the inner wall of fixed link has fixed plate, and fixed plate and the surface rotation sleeve joint of screw rod.
[0016] Adopt above technical scheme, through setting fixed plate, fixed screw rod.
[0017] The utility model further sets up: the one end fixed sleeve of initiative shaft has counterweight.
[0018] Adopt above technical scheme, through setting counterweight, improve balance initiative shaft, improve stability.
[0019] The utility model further sets up: the top of fixed frame is bolted with mounting frame.
[0020] Adopt above technical scheme, through setting support frame, it is convenient for installation equipment.
[0021] Summarized above, the utility model has following beneficial effect:
[0022] 1. The utility model discloses a single -way rotation of initiative shaft is driven through motor, and single -way rotation is driven to needle row axle through first transmission belt and second transmission belt, and single -way rotation becomes single -way up and down swing action through needle row switching structure, and the mode of driving single needle row vertical arm separate work can reach the purpose that good flexibility can be reached, and more complex weaving pattern and structure can be realized, satisfy the weaving demand of diversification.
[0023] 2. The utility model discloses the rotation of pivot head makes the rotation of second bevel gear of rotation shaft, and the rotation of first bevel gear is driven to screw rod through the rotation of second bevel gear, and the mode that the support roller of screw rod rotation drives telescopic link makes second transmission belt compression tight can reach the purpose that it is convenient for adjusting tightness, reduces the work load, improves work efficiency. DRAWINGS
[0024] Figure 1 It is the utility model structure perspective drawing;
[0025] Figure 2 It is the utility model structure perspective drawing;
[0026] Figure 3 It is the utility model local structure perspective drawing;
[0027] Figure 4 It is the utility model local structure section view.
[0028] The drawings are as follows: 1, base; 2, fixed frame; 3, needle row shaft; 4, driving mechanism; 5, support frame; 6, air cylinder; 7, push plate; 8, main transmission disc; 9, reversing fixed seat; 10, eccentric wheel; 11, wheel housing; 12, slide column; 13, needle column swing lever; 14, vertical arm; 15, fixed shaft; 16, fixed rod; 17, telescopic rod; 18, screw rod; 19, first bevel gear; 20, second bevel gear; 21, rotating shaft; 22, supporting roller; 23, motor; 24, first belt disc; 25, driving shaft; 26, second belt disc; 27, first transmission belt; 28, third belt disc; 29, fourth belt disc; 30, second transmission belt; 31, rotating head; 32, sliding block; 33, sliding groove; 34, fixed plate; 35, counterweight wheel; 36, mounting frame. DETAILED DESCRIPTION
[0029] The utility model will be further explained in detail below in combination with the drawings.
[0030] Example 1:
[0031] Reference Figure 1 , Figure 2 and Figure 3 , a needle row vertical arm for a multi-needle quilting machine, comprising a base 1, a fixed frame 2 is bolted to the top of the base 1, a needle row shaft 3 is rotatably sleeved between the inner walls of the fixed frame 2, a driving mechanism 4 is arranged between the needle row shaft 3 and the base 1, a support frame 5 is installed on the surface of the needle row shaft 3, an air cylinder 6 is installed on the surface of the support frame 5, a push plate 7 and a main transmission disc 8 are respectively installed on the output end of the air cylinder 6, a reversing fixed seat 9 is installed on the surface of the push plate 7, and the reversing fixed seat 9 is installed on the surface of the needle row shaft 3, an eccentric wheel 10 is installed on the surface of the needle row shaft 3, a wheel housing 11 is installed on the surface of the eccentric wheel 10, a slide column 12 is installed on the inner wall of the eccentric wheel 10, a needle column swing lever 13 is installed between the fixed frames 2 and on the surface of the wheel housing 11, a vertical arm 14 is installed on the surface of the needle column swing lever 13, a fixed shaft 15 is installed on the surface of the vertical arm 14 and bolted to the fixed frame 2, the driving shaft 25 is driven to rotate in one direction by the motor 23, the needle row shaft 3 is driven to rotate in one direction by the first transmission belt 27 and the second transmission belt 30, the one-way rotation is changed into a one-way up-and-down swing action by the needle row switching structure, and the single needle row vertical arm 14 is driven to work independently, so that the purpose of good flexibility is achieved, more complex weaving patterns and structures can be realized, and diversified weaving needs can be met.
[0032] Reference Figure 1The driving mechanism 4 comprises a motor 23 installed at the bottom of the base 1, a first belt disc 24 fixedly sleeved at the output end of the motor 23, a driving shaft 25 installed at the top of the base 1, a second belt disc 26 fixedly sleeved at the surface of the driving shaft 25, a first transmission belt 27 in transmission connection between the surfaces of the first belt disc 24 and the second belt disc 26, a third belt disc 28 fixedly sleeved at the surface of the driving shaft 25, a fourth belt disc 29 fixedly sleeved at the surface of the needle array shaft 3, and a second transmission belt 30 in transmission connection between the surfaces of the third belt disc 28 and the fourth belt disc. The driving mechanism 4 is arranged to drive the needle array vertical arm 14.
[0033] With reference to Figure 2 One end of the driving shaft 25 is fixedly sleeved with a counterweight 35. The counterweight 35 is arranged to improve the balance of the driving shaft 25 and improve the stability.
[0034] With reference to Figure 1 , Figure 2 and Figure 3 The top of the fixed frame 2 is bolted with a mounting frame 36. The support frame 5 is arranged to facilitate the installation of equipment.
[0035] Embodiment 2:
[0036] With reference to Figure 1 , Figure 2 and Figure 4 The surface of the fixed frame 2 is bolted with a fixed rod 16, the inner wall of the fixed rod 16 is slidably sleeved with a telescopic rod 17, the inner wall of the telescopic rod 17 is threadedly connected with a screw rod 18, the screw rod 18 is rotatably sleeved with the inner wall of the fixed rod 16, the surface of the screw rod 18 is fixedly sleeved with a first bevel gear 19, the surface of the first bevel gear 19 is engaged with a second bevel gear 20, the shaft center of the second bevel gear 20 is fixedly sleeved with a rotating shaft 21, the rotating shaft 21 is rotatably sleeved with the inner wall of the fixed rod 16, one end of the telescopic rod 17 is bolted with a supporting roller 22. The rotating head 31 is rotated to drive the second bevel gear 20 to rotate through the rotating shaft 21, the first bevel gear 19 is driven to rotate through the second bevel gear 20, and the supporting roller 22 is pressed against the second transmission belt 30 through the rotation of the screw rod 18, so as to achieve the purpose of conveniently adjusting the tightness, reduce the workload and improve the work efficiency.
[0037] With reference to Figure 4 One end of the rotating shaft 21 is bolted with a rotating head 31. The rotating head 31 is arranged to facilitate the rotation of the rotating shaft 21.
[0038] With reference to Figure 4 The surface of the telescopic rod 17 is bolted with a sliding block 32, the surface of the sliding block 32 is slidably connected with a sliding groove 33, and the sliding groove 33 is formed in the inner wall of the fixed rod 16. The sliding block 32 and the sliding groove 33 are arranged to prevent the telescopic rod 17 from deviating and improve the stability.
[0039] Reference Figure 4 The inner wall of the fixed rod 16 is bolted with a fixed plate 34, and the fixed plate 34 is rotationally sleeved with the surface of the screw rod 18. By arranging the fixed plate 34, the screw rod 18 is fixed.
[0040] Brief description of the use process: the motor 23 drives the driving shaft 25 to rotate in one direction, drives the needle array shaft 3 to rotate in one direction through the first transmission belt 27 and the second transmission belt 30, and changes the one-way rotation into one-way up and down swing action through the needle array switching structure, and drives a single needle array vertical arm 14 to work independently; there are three positions, a fixed position, i.e. a position for reversing fixation, a driven position, i.e. the position of the eccentric wheel 10, and a main transmission position, i.e. the position of the main transmission disc 8; the main transmission disc 8 is fixed on the needle array shaft 3, and the two cylinders 6 drive the push plate 7 to push the slide column 12 to switch between the fixed position and the driven position, and between the driven position and the main transmission position; when a vertical arm 14 needs to work, the reversing slide column 12 is in the driven position and the main transmission position; when it does not need to work, the reversing slide column 12 is in the fixed position and the driven position; at this time, the main transmission disc 8 is idling, and the needle array eccentric wheel 10 can be connected to the vertical arm 14 structure to drive it to swing, thereby achieving high flexibility.
[0041] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A needle post arm for a multi-needle quilting machine, comprising a base (1), characterized in that, A fixing frame (2) is bolted to the top of the base (1). A needle shaft (3) is rotatably sleeved between the inner walls of the fixing frame (2). A drive mechanism (4) is provided between the needle shaft (3) and the base (1). A support frame (5) is mounted on the surface of the needle shaft (3). A cylinder (6) is mounted on the surface of the support frame (5). A push plate (7) and a main drive plate (8) are respectively mounted on the output end of the cylinder (6). A reversing fixing seat (9) is mounted on the surface of the push plate (7), and the reversing fixing seat (9) is mounted on the needle shaft. (3) The surface of the needle shaft (3) is equipped with an eccentric wheel (10), the surface of the eccentric wheel (10) is equipped with a wheel housing (11), the inner wall of the eccentric wheel (10) is equipped with a sliding column (12), the needle column swing rod (13) is installed between the fixed frame (2), and the needle column swing rod (13) is installed on the surface of the wheel housing (11). The surface of the needle column swing rod (13) is equipped with a vertical arm (14), the surface of the vertical arm (14) is equipped with a fixed shaft (15), and the fixed shaft (15) is bolted to the fixed frame (2).
2. The needle post arm for a multi-needle quilting machine according to claim 1, characterized in that, A fixing rod (16) is bolted to the surface of the fixing frame (2). A telescopic rod (17) is slidably sleeved on the inner wall of the fixing rod (16). A screw (18) is threadedly connected to the inner wall of the telescopic rod (17). The screw (18) is rotatably sleeved with the inner wall of the fixing rod (16). A first bevel gear (19) is fixedly sleeved on the surface of the screw (18). A second bevel gear (20) meshes with the surface of the first bevel gear (19). A rotating shaft (21) is fixedly sleeved at the axis of the second bevel gear (20). The rotating shaft (21) is rotatably sleeved with the inner wall of the fixing rod (16). A support roller (22) is bolted to one end of the telescopic rod (17).
3. The needle post arm for a multi-needle quilting machine according to claim 1, characterized in that, The drive mechanism (4) includes a motor (23), which is installed at the bottom of the base (1). The output end of the motor (23) is fixedly sleeved with a first pulley (24). The top of the base (1) is equipped with a drive shaft (25). The surface of the drive shaft (25) is fixedly sleeved with a second pulley (26). A first transmission belt (27) is connected between the surfaces of the first pulley (24) and the second pulley (26). The surface of the drive shaft (25) is fixedly sleeved with a third pulley (28). The surface of the needle shaft (3) is fixedly sleeved with a fourth pulley (29). A second transmission belt (30) is connected between the surfaces of the third pulley (28) and the fourth belt.
4. The needle post arm for a multi-needle quilting machine according to claim 2, characterized in that, A rotating head (31) is bolted to one end of the rotating shaft (21).
5. The needle post arm for a multi-needle quilting machine according to claim 2, characterized in that, The surface of the telescopic rod (17) is bolted with a slider (32), and the surface of the slider (32) is slidably connected with a groove (33), and the groove (33) is opened on the inner wall of the fixed rod (16).
6. The needle post arm for a multi-needle quilting machine according to claim 2, characterized in that, The inner wall of the fixing rod (16) is bolted with a fixing plate (34), and the fixing plate (34) is rotatably sleeved with the surface of the screw (18).
7. The needle post arm for a multi-needle quilting machine according to claim 3, characterized in that, One end of the drive shaft (25) is fixedly sleeved with a counterweight wheel (35).
8. The needle post arm for a multi-needle quilting machine according to claim 1, characterized in that, The top of the fixing frame (2) is bolted with a mounting bracket (36).