Tension device for embroidery machine

Abstract

The utility model discloses a tension device for an embroidery machine, which belongs to the technical field of embroidery machines and comprises a tension plate and a transmission bin, the transmission bin is arranged in the tension plate, a first bearing is arranged on the inner wall of the transmission bin in a penetrating manner, and a first rotating shaft is arranged in the first bearing in a penetrating manner. The tension adjusting device has the beneficial effects that when the tension degree is adjusted, people control the motor to operate so as to drive the first rotating shaft and the threaded pipe to rotate, the threaded pipe drives the first connecting block to ascend under the mutual cooperation of the threaded pipe and the threaded column, and the first connecting block is driven to rotate to adjust the tension degree. And meanwhile, the connecting rod rotates in the first connecting block, the other end of the connecting rod drives the second connecting block and the sleeve to move, and the sleeve drives the movable long plate to move along the guide rod, so that the distance between the guide assemblies mounted on the surface of the tension plate and the surface of the movable long plate is changed, and people can conveniently adjust the tension degree.

Description

Technical Field

[0001] The utility model relates to the technical field of embroidery machines, and more specifically, to a tension device for embroidery machines. Background Art

[0002] The multifunctional embroidery machine equipment can be used to embroider ribbons and ropes. When embroidering ropes, the existing multifunctional embroidery machine needs to use a tension device to adjust the tension of the ropes, but when embroidering ribbons, the tension mechanism body is not needed. The tension mechanism body close to the machine head increases the difficulty of operating the embroidery ribbons, and the tension wheel of the existing tension device of the multifunctional embroidery machine is mostly not easy to adjust. Workers cannot quickly adjust the tension of the ropes, thereby reducing the working efficiency of the embroidery machine ropes. In addition, the tension wheel of the existing tension device of the embroidery machine will continue to rotate during the operation of the embroidery machine, which makes the tension wheel easy to be damaged. Therefore, the tension wheel needs to be regularly repaired and replaced, and the tension wheel of the existing tension device of the embroidery machine is not easy to disassemble. In order to solve the above problems, we have launched the following device. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a tension device for an embroidery machine, which has the characteristics of easy adjustment of the tension and easy replacement of the tension wheel.

[0005] (2) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides a tension device for an embroidery machine, including a tension plate and a transmission bin, the transmission bin is opened inside the tension plate, a first bearing is passed through the inner wall of the transmission bin, a first rotating shaft is passed through the first bearing, a protective shell is fixedly connected to the surface of the tension plate corresponding to the position of the first rotating shaft, a motor is fixedly connected to the inside of the protective shell, the other end of the motor output shaft is fixedly connected to the lower end of the first rotating shaft, a threaded column is fixedly connected to the upper end of the first rotating shaft, the upper end of the threaded column is fixedly connected to the second rotating shaft, a fixing plate is fixedly connected to the inner wall of the transmission bin, a second bearing is passed through the surface of the fixing plate, the upper end of the second rotating shaft is passed through the second bearing, a threaded tube is threadedly connected to the surface of the threaded tube, a first connecting block is fixedly connected to the surface of the threaded tube, and the first connecting block has two groups , and is symmetrically arranged on the surface of the threaded tube, the inner wall of the transmission bin is fixedly connected with a guide rod, the surface of the guide rod is sleeved with a sleeve, there are two groups of sleeves, and they are symmetrically arranged on the surface of the guide rod, the surface of the sleeve is fixedly connected with a second connecting block, the second connecting block is rotatably connected with a connecting rod through a pin shaft, the other end of the connecting rod is rotatably connected to the first connecting block through a pin shaft, the surface of the sleeve is fixedly connected with a connecting plate, the surface of the tension plate is provided with a limiting groove, there are two groups of limiting grooves, and they are symmetrically arranged on the surface of the tension plate, the limiting blocks are slidably connected in the limiting grooves, the surface of the limiting block is fixedly connected with a movable long plate, the surface of the tension plate is fixedly connected with a fixed long plate, there are four groups of fixed long plates, and they are symmetrically arranged on the surface of the tension plate, and the surfaces of the fixed long plate and the movable long plate are both provided with guide components.

[0007] When using a tension device for an embroidery machine according to the technical solution, a motor, a threaded column, a threaded tube, a guide rod and a sleeve are set. When adjusting the tightness of the tension, people control the operation of the motor to drive the first rotating shaft and the threaded tube to rotate. With the cooperation between the threaded tube and the threaded column, the threaded tube drives the first connecting block to rise, and at the same time the connecting rod rotates in the first connecting block, and the other end of the connecting rod drives the second connecting block and the sleeve to move. The sleeve will move along the guide rod and drive the movable long plate to move, thereby changing the distance between the guide components respectively installed on the surface of the tension plate and the surface of the movable long plate, making it convenient for people to adjust the tightness of the tension.

[0008] Furthermore, the guide assembly includes a tension wheel, which is arranged on the side of the movable long board, a third bearing is passed through the surface of the tension wheel, a third rotating shaft is passed through the third bearing, a knob is fixedly connected to one end of the third rotating shaft, and a bolt is fixedly connected to the other end of the third rotating shaft, a screw hole is opened on the surface of the movable long board, there are a plurality of screw holes, and they are arranged in a straight line and at equal intervals on the surface of the movable long board, and the bolts are threadedly connected in the screw holes.

[0009] Furthermore, the fixing plate is square, and its width is equal to the depth of the transmission compartment.

[0010] Furthermore, the guide rod is made of metal and has a relatively smooth surface.

[0011] Furthermore, the first connecting block and the second connecting block are both U-shaped and have the same size.

[0012] Furthermore, the movable long board and the fixed long board are made of exactly the same material and shape.

[0013] Furthermore, the side surface of the knob is provided with anti-slip grooves.

[0014] Beneficial Effects

[0015] (3) In summary, the present invention has the following beneficial effects:

[0016] 1. The tension device for an embroidery machine is provided with a motor, a threaded column, a threaded tube, a guide rod and a sleeve. When adjusting the tension, people control the operation of the motor to drive the first rotating shaft and the threaded tube to rotate. Under the cooperation between the threaded tube and the threaded column, the threaded tube drives the first connecting block to rise, and at the same time, the connecting rod rotates in the first connecting block, and the other end of the connecting rod drives the second connecting block and the sleeve to move. The sleeve will move along the guide rod and drive the movable long plate to move, thereby changing the distance between the guide components respectively installed on the surface of the tension plate and the surface of the movable long plate, which is convenient for people to adjust the tension;

[0017] 2. The tension device for an embroidery machine is provided with an adjusting knob, a bolt and a screw hole. When replacing the tension wheel, people rotate the adjusting knob to drive the third shaft to rotate, and the third shaft drives the bolt to rotate. With the cooperation between the bolt and the screw hole, the bolt withdraws from the screw hole, and people can remove the damaged guide assembly and install a new guide assembly through the cooperation between the bolt and the screw hole, which facilitates people to replace the tension wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model in a frontal perspective;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model in a frontal perspective cross-sectional view;

[0021] Figure 3It is a schematic structural diagram of a cross-section of the guide assembly of the utility model.

[0022] The symbols in the accompanying drawings are:

[0023] 1. Tension plate; 2. Transmission compartment; 3. First bearing; 4. First rotating shaft; 5. Protective shell; 6. Motor; 7. Threaded column; 8. Second rotating shaft; 9. Fixed plate; 10. Second bearing; 11. Threaded tube; 12. First connecting block; 13. Guide rod; 14. Sleeve; 15. Second connecting block; 16. Connecting rod; 17. Connecting plate; 18. Limiting groove; 19. Limiting block; 20. Movable long board; 21. Fixed long board; 22. Guide assembly; 2201. Tension wheel; 2202. Third bearing; 2203. Third rotating shaft; 2204. Knob; 2205. Bolt; 2206. Screw hole. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0025] Example:

[0026] The following is combined with Figure 1-3 The utility model is described in further detail.

[0027] See also Figure 1-3The utility model provides a technical solution: a tension device for an embroidery machine, comprising a tension plate 1 and a transmission compartment 2, the transmission compartment 2 is arranged inside the tension plate 1, a first bearing 3 is penetrated through the inner wall of the transmission compartment 2, a first rotating shaft 4 is penetrated through the first bearing 3, a protective shell 5 is fixedly connected to the position of the first rotating shaft 4 on the surface of the tension plate 1, a motor 6 is fixedly connected inside the protective shell 5, the other end of the output shaft of the motor 6 is fixedly connected to the lower end of the first rotating shaft 4, a threaded column 7 is fixedly connected to the upper end of the first rotating shaft 4, a second rotating shaft 8 is fixedly connected to the upper end of the threaded column 7, a fixing plate 9 is fixedly connected to the inner wall of the transmission compartment 2, a second bearing 10 is penetrated through the surface of the fixing plate 9, the upper end of the second rotating shaft 8 is penetrated through the second bearing 10, a threaded tube 11 is threadedly connected to the surface of the threaded tube 11, a first connecting block 12 is fixedly connected to the surface of the threaded tube 11, and there are two groups of the first connecting blocks 12, which are symmetrically arranged on the threaded On the surface of the tube 11, a guide rod 13 is fixedly connected to the inner wall of the transmission bin 2, and a sleeve 14 is sleeved on the surface of the guide rod 13. There are two groups of sleeves 14, which are symmetrically arranged on the surface of the guide rod 13. A second connecting block 15 is fixedly connected to the surface of the sleeve 14. A connecting rod 16 is rotatably connected to the second connecting block 15 through a pin shaft. The other end of the connecting rod 16 is rotatably connected to the first connecting block 12 through a pin shaft. A connecting plate 17 is fixedly connected to the surface of the sleeve 14. A limiting groove 18 is provided on the surface of the tension plate 1. There are two groups of limiting grooves 18, which are symmetrically arranged on the surface of the tension plate 1. A limiting block 19 is slidably connected in the limiting groove 18. A movable long plate 20 is fixedly connected to the surface of the tension plate 1. A fixed long plate 21 is fixedly connected to the surface of the tension plate 1. There are four groups of fixed long plates 21, which are symmetrically arranged on the surface of the tension plate 1. Guide components 22 are provided on the surfaces of the fixed long plates 21 and the movable long plates 20.

[0028] By adopting the above technical scheme, the tension device for an embroidery machine is provided with a motor 6, a threaded column 7, a threaded tube 11, a guide rod 13 and a sleeve 14. When adjusting the tightness of the tension, people control the operation of the motor 6 to drive the first rotating shaft 4 and the threaded tube 11 to rotate. Under the mutual cooperation of the threaded tube 11 and the threaded column 7, the threaded tube 11 drives the first connecting block 12 to rise, and at the same time, the connecting rod 16 rotates in the first connecting block 12, and the other end of the connecting rod 16 drives the second connecting block 15 and the sleeve 14 to move. The sleeve 14 will move along the guide rod 13 and drive the movable long plate 20 to move, thereby changing the distance between the guide components 22 respectively installed on the surface of the tension plate 1 and the surface of the movable long plate 20, which is convenient for people to adjust the tightness of the tension.

[0029] Specifically, the guide assembly 22 includes a tension wheel 2201, which is arranged on the side of the movable long board 20. A third bearing 2202 is passed through the surface of the tension wheel 2201. A third rotating shaft 2203 is passed through the third bearing 2202. A knob 2204 is fixedly connected to one end of the third rotating shaft 2203, and a bolt 2205 is fixedly connected to the other end of the third rotating shaft 2203. A screw hole 2206 is opened on the surface of the movable long board 20. There are a plurality of screw holes 2206, which are arranged in a straight line and at equal intervals on the surface of the movable long board 20, and the bolts 2205 are threadedly connected in the screw holes 2206.

[0030] By adopting the above technical scheme, the tension device for an embroidery machine is provided with an adjusting knob 2004, a bolt 2005 and a screw hole 2006. When replacing the tension wheel 2201, people rotate the adjusting knob 2004 to drive the third rotating shaft 2003 to rotate, and the third rotating shaft 2003 drives the bolt 2005 to rotate. With the cooperation between the bolt 2005 and the screw hole 2006, the bolt 2005 withdraws from the screw hole 2006, and people can remove the damaged guide component 22, and install a new guide component 22 through the cooperation between the bolt 2005 and the screw hole 2006, which facilitates people to replace the tension wheel 2201.

[0031] Specifically, the fixing plate 9 is square, and its width is equal to the depth of the transmission compartment 2 .

[0032] Specifically, the guide rod 13 is made of metal, and its surface is relatively smooth.

[0033] Specifically, the first connection block 12 and the second connection block 15 are both U-shaped and have the same size.

[0034] Specifically, the movable long board 20 and the fixed long board 21 are made of exactly the same material and shape.

[0035] Specifically, the side of the knob 2204 is provided with anti-slip grooves.

[0036] The working principle of the utility model is as follows: when in use, people first install the device on the embroidery machine and turn on the power supply. When adjusting the tension, people control the operation of the motor 6 to drive the first rotating shaft 4 and the threaded tube 11 to rotate. Under the cooperation between the threaded tube 11 and the threaded column 7, the threaded tube 11 drives the first connecting block 12 to rise, and at the same time, the connecting rod 16 rotates in the first connecting block 12, and the other end of the connecting rod 16 drives the second connecting block 15 and the sleeve 14 to move. The sleeve 14 will move along the guide rod 13 and drive the movable long plate 20 to move, thereby changing the tension of the two connecting blocks 12 and 16 installed on the surface of the tension plate 1. The distance between the surface and the guide component 22 installed on the surface of the movable long board 20 makes it convenient for people to adjust the tightness of the tension. When replacing the tension wheel 2201, people drive the third shaft 2003 to rotate by turning the adjusting knob 2004, and the third shaft 2003 drives the bolt 2005 to rotate. With the cooperation between the bolt 2005 and the screw hole 2006, the bolt 2005 withdraws from the screw hole 2006, and people can remove the damaged guide component 22, and install a new guide component 22 through the cooperation between the bolt 2005 and the screw hole 2006, which makes it convenient for people to replace the tension wheel 2201.

[0037] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A tension device for an embroidery machine, comprising a tension plate (1) and a transmission compartment (2), characterized in that: The transmission bin (2) is arranged inside the tension plate (1); a first bearing (3) is passed through the inner wall of the transmission bin (2); a first rotating shaft (4) is passed through the first bearing (3); a protective shell (5) is fixedly connected to the surface of the tension plate (1) at a position corresponding to the first rotating shaft (4); a motor (6) is fixedly connected inside the protective shell (5); the other end of the output shaft of the motor (6) is fixedly connected to the lower end of the first rotating shaft (4); a threaded column (7) is fixedly connected to the upper end of the first rotating shaft (4); The end of the threaded column (7) is fixedly connected with a second rotating shaft (8); the inner wall of the transmission chamber (2) is fixedly connected with a fixing plate (9); the surface of the fixing plate (9) is penetrated with a second bearing (10); the upper end of the second rotating shaft (8) is penetrated in the second bearing (10); the surface of the threaded column (7) is threadedly connected with a threaded tube (11); the surface of the threaded tube (11) is fixedly connected with a first connecting block (12); there are two groups of the first connecting blocks (12) which are symmetrically arranged on the surface of the threaded tube (11); the inner wall of the transmission chamber (2) is fixedly connected with A guide rod (13) is connected, and a sleeve (14) is sleeved on the surface of the guide rod (13). There are two groups of sleeves (14) and they are symmetrically arranged on the surface of the guide rod (13). A second connecting block (15) is fixedly connected to the surface of the sleeve (14). A connecting rod (16) is rotatably connected to the inside of the second connecting block (15) via a pin shaft. The other end of the connecting rod (16) is rotatably connected to the inside of the first connecting block (12) via a pin shaft. A connecting plate (17) is fixedly connected to the surface of the sleeve (14). The surface of the tension plate (1) is open. A limit groove (18) is provided, wherein there are two groups of the limit grooves (18) and they are symmetrically arranged on the surface of the tension plate (1); a limit block (19) is slidably connected in the limit groove (18); a movable long plate (20) is fixedly connected to the surface of the limit block (19); a fixed long plate (21) is fixedly connected to the surface of the tension plate (1); there are four groups of the fixed long plates (21) and they are symmetrically arranged on the surface of the tension plate (1); and guide components (22) are provided on the surfaces of the fixed long plates (21) and the movable long plates (20).

2. The tension device for an embroidery machine according to claim 1, characterized in that: The guide assembly (22) comprises a tension wheel (2201), the tension wheel (2201) is arranged on the side of the movable long board (20), a third bearing (2202) is passed through the surface of the tension wheel (2201), a third rotating shaft (2203) is passed through the third bearing (2202), one end of the third rotating shaft (2203) is fixedly connected to a knob (2204), and the other end of the third rotating shaft (2203) is fixedly connected to a bolt (2205), the surface of the movable long board (20) is provided with a screw hole (2206), there are a plurality of screw holes (2206), and they are arranged in a straight line with equal intervals on the surface of the movable long board (20), and the bolts (2205) are threadedly connected in the screw holes (2206).

3. The tension device for an embroidery machine according to claim 1, characterized in that: The fixing plate (9) is square, and its width is equal to the depth of the transmission bin (2).

4. The tension device for an embroidery machine according to claim 1, characterized in that: The guide rod (13) is made of metal and has a relatively smooth surface.

5. The tension device for an embroidery machine according to claim 1, characterized in that: The first connecting block (12) and the second connecting block (15) are both U-shaped and have the same size.

6. The tension device for an embroidery machine according to claim 1, characterized in that: The movable long board (20) and the fixed long board (21) are made of exactly the same material and have exactly the same shape.

7. The tension device for an embroidery machine according to claim 2, characterized in that: The side of the knob (2204) is provided with anti-slip grooves.

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