Positioning device for sewing woven cloth packaging bag

Abstract

The utility model discloses a positioning device for sewing a woven cloth packaging bag, which relates to the technical field of woven cloth packaging bag processing and comprises a machine plate, a sewing machine and a supporting seat, the sewing machine is arranged at the top end of the machine plate, and the supporting seat is arranged at the top end of the machine plate. By arranging the positioning mechanism, the lifting plate is poked, the sliding block drives the rolling wheel to move upwards, the connecting spring is stressed and contracted, the side wall, close to the sewing position, of the woven cloth is located in the groove in the side portion of the limiting block, then the sliding block drives the rolling wheel to move downwards, the woven cloth is fixed, positioning is effectively achieved, operation of workers is facilitated, and the working efficiency is improved. The handle rod is rotated to drive the screw rod to rotate, the screw rod rotates to enable the moving block to move downwards along the inner wall of the supporting seat, so that the connecting spring is shrunk, and through the operation, the connecting spring can be shrunk to increase the elasticity and guarantee the downward pressure of the roller when the elasticity is insufficient due to elastic fatigue after the connecting spring is used for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of woven cloth packaging bag processing, in particular to a positioning device for sewing woven cloth packaging bags. Background Art

[0002] In the process of hand-making woven cloth bags, sewing is required, and the sewing part needs to be positioned during sewing. The existing positioning method is that the worker positions the woven cloth on the sewing part of the sewing machine based on his own experience, and then pulls the woven cloth to move, and uses the sewing machine to realize the sewing process. However, the above positioning method requires a high level of proficiency of the workers, which affects the use when novices sew. On the other hand, during the sewing process, the worker needs to pull the woven cloth to move, and the pulling of the woven cloth cannot be limited. The distance between the side wall of the sewing part and the needle part of the sewing machine is still controlled by the worker's proficiency, which is not conducive to ensuring the overall sewing quality.

[0003] The cam is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts, each of which is provided with a plurality of camshafts.

[0004] Although the above-mentioned patent solves the problem that during the sewing process, workers need to pull the non-woven fabric to move, the pulling of the non-woven fabric cannot be limited, and the sewing quality is not high, however, during the long-term use of the above-mentioned patent, the spring is prone to elastic fatigue, which reduces the elastic force of the spring, resulting in the non-woven fabric being not firmly fixed, and the position of the vertical plate of the above-mentioned patent cannot be adjusted, thereby failing to meet the processing needs of non-woven packaging bags of different sizes. Utility Model Content

[0005] The utility model aims to provide a positioning device for sewing woven cloth packaging bags in order to solve the problem that the woven cloth is not firmly fixed due to spring elastic fatigue and the processing needs of woven cloth packaging bags of different sizes cannot be met.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for sewing woven cloth packaging bags, comprising a machine plate, a sewing machine, and a support seat, wherein the sewing machine is arranged at the top of the machine plate, the support seat is arranged at the top of the machine plate and located at one end of the sewing machine, a limit block is arranged at one end of the support seat, a positioning mechanism is arranged inside the support seat, and an adjustment mechanism is arranged at the top of the machine plate at one end of the support seat away from the sewing machine;

[0007] The positioning mechanism includes a screw, a slider, a roller, a moving block, a connecting spring and a handle. The screw is rotatably installed inside the support seat and passes through the top of the support seat. The slider is slidably installed inside the support seat and extends to an end of the support seat close to the sewing machine. The roller is rotatably installed on one end of the slider. The moving block is slidably installed inside the support seat and is located above the slider. The connecting spring is sleeved on the outer wall of the screw and is located between the moving block and the slider. The handle is fixedly installed on the top of the screw.

[0008] As a further solution of the utility model: the adjusting mechanism includes a threaded sleeve, a screw, a fixed seat and a handwheel, the threaded sleeve is arranged on the outer wall of the support seat at one end away from the sewing machine, the screw is arranged inside the threaded sleeve, the fixed seat is sleeved on the outer wall of the screw, and the handwheel is arranged at one end of the screw.

[0009] As a further solution of the utility model: a movable groove is arranged inside the support seat, the movable groove is a T-shaped structure, the outer wall of the movable block is consistent with the inner wall of the movable groove, and the interior of the movable block is provided with a thread groove matching the outer wall of the screw.

[0010] As a further solution of the utility model: a top plate is arranged at the top end of the support seat, and the outer wall of the screw is rotatably connected to the support seat and the top plate through a bearing.

[0011] As a further solution of the utility model: a through hole is provided inside the slider, the inner diameter of the through hole is slightly larger than the outer diameter of the screw, a lifting plate is fixedly installed on one side of the outer wall of the slider, the outer wall of the lifting plate matches the outer wall of the support seat, and the roller is rotatably connected to the slider through a rotating shaft and a bearing.

[0012] As a further solution of the utility model: the fixing seat is in an L-shaped structure, the fixing seat is fixedly connected to the machine plate by bolts, and the outer wall of the screw rod is rotatably connected to the fixing seat by a bearing.

[0013] As a further solution of the utility model: the outer wall of the screw rod and the inner wall of the threaded sleeve are matched with each other, and the outer wall of the hand wheel is provided with an anti-slip groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting a positioning mechanism, the lifting plate is toggled, so that the slider drives the roller to move upward, so that the connecting spring is forced to shrink, and the woven cloth to be processed is placed on the top of the machine plate and below the roller, and then the side wall of the woven cloth adjacent to the sewing part is in the groove on the side of the limit block, so that the side wall of the woven cloth adjacent to the sewing part is limited in the groove, and then the slider drives the roller to move downward to fix the woven cloth, effectively realize positioning, and facilitate workers to operate, turn the handle to drive the screw to rotate, and the screw rotates to make the moving block move downward along the inner wall of the support seat, so that the connecting spring shrinks. Through this operation, when the connecting spring is insufficient in elastic force due to elastic fatigue after long-term use, the connecting spring can be contracted to increase the elastic force, ensuring the downward pressure of the slider while ensuring the downward pressure of the roller;

[0016] 2. By setting up an adjustment mechanism, the hand wheel is turned to drive the screw to rotate. When the screw rotates, the threaded sleeve moves along the outer wall of the screw, and the threaded sleeve drives the support seat to move, thereby adjusting the distance between the support seat and the sewing machine to meet the processing needs of woven cloth packaging bags of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0019] Figure 3 This is a cross-sectional view of the support seat structure of the utility model;

[0020] Figure 4 For the utility model Figure 3 Enlarged schematic diagram of point B in the middle.

[0021] In the figure: 1, machine plate; 2, sewing machine; 3, support seat; 4, limit block; 5, positioning mechanism; 501, screw; 502, slider; 503, roller; 504, moving block; 505, connecting spring; 506, handle; 6, adjustment mechanism; 601, threaded sleeve; 602, screw; 603, fixed seat; 604, hand wheel; 7, top plate; 8, moving groove; 9, lifting plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 4 In the embodiment of the utility model, a positioning device for sewing a woven cloth packaging bag comprises a machine plate 1, a sewing machine 2, and a support seat 3. The sewing machine 2 is arranged at the top of the machine plate 1, the support seat 3 is arranged at the top of the machine plate 1 and is located at one end of the sewing machine 2, a limiting block 4 is arranged at one end of the support seat 3, a positioning mechanism 5 is arranged inside the support seat 3, and an adjustment mechanism 6 is arranged at the top of the machine plate 1 at the end of the support seat 3 away from the sewing machine 2;

[0024] The positioning mechanism 5 includes a screw 501, a slider 502, a roller 503, a moving block 504, a connecting spring 505 and a handle 506. The screw 501 is rotatably installed inside the support seat 3 and penetrates to the top of the support seat 3. The slider 502 is slidably installed inside the support seat 3 and extends to one end of the support seat 3 close to the sewing machine 2. The roller 503 is rotatably installed on one end of the slider 502. The moving block 504 is slidably installed inside the support seat 3 and is located above the slider 502. The connecting spring 505 is sleeved on the outer wall of the screw 501 and is located between the moving block 504 and the slider 502. The handle 506 is fixedly installed on the top of the screw 501.

[0025] The roller 503 is then moved downward by the slider 502 to fix the woven fabric, effectively realize positioning, and facilitate the operation of the workers. The screw 501 is rotated by rotating the handle 506, and the screw 501 rotates to make the moving block 504 move downward along the inner wall of the support seat 3, so that the connecting spring 505 is contracted. Through this operation, when the connecting spring 505 is insufficient in elastic force due to elastic fatigue after long-term use, the connecting spring 505 can be contracted to increase the elastic force, thereby ensuring the downward pressure of the slider 502 and the downward pressure of the roller 503.

[0026] Please refer to Figure 2 , Figure 3The adjusting mechanism 6 includes a threaded sleeve 601, a screw rod 602, a fixed seat 603 and a handwheel 604. The threaded sleeve 601 is arranged on the outer wall of the support seat 3 at one end away from the sewing machine 2, the screw rod 602 is arranged inside the threaded sleeve 601, the fixed seat 603 is sleeved on the outer wall of the screw rod 602, and the handwheel 604 is arranged at one end of the screw rod 602.

[0027] In this embodiment; rotating the hand wheel 604 drives the screw rod 602 to rotate, and while the screw rod 602 rotates, the threaded sleeve 601 moves along the outer wall of the screw rod 602, so that the threaded sleeve 601 drives the support seat 3 to move, thereby adjusting the distance between the support seat 3 and the sewing machine 2 to meet the processing needs of woven cloth packaging bags of different sizes.

[0028] Please refer to Figure 4 A moving groove 8 is arranged inside the support seat 3, and the moving groove 8 is a T-shaped structure. The outer wall of the moving block 504 coincides with the inner wall of the moving groove 8, and a thread groove matching the outer wall of the screw 501 is arranged inside the moving block 504.

[0029] In this embodiment: a movable groove 8 is arranged inside the support seat 3, and the movable groove 8 is a T-shaped structure. The outer wall of the movable block 504 is consistent with the inner wall of the movable groove 8. The interior of the movable block 504 is provided with a thread groove matching the outer wall of the screw 501, so that the screw 501 can be rotated, and the movable block 504 can be limitedly moved along the inner wall of the movable groove 8.

[0030] Please refer to Figure 4 A top plate 7 is provided at the top of the support seat 3, and the outer wall of the screw rod 501 is rotatably connected to the support seat 3 and the top plate 7 through a bearing.

[0031] In this embodiment: a top plate 7 is provided at the top of the support seat 3, and the outer wall of the screw rod 501 is rotatably connected to the support seat 3 and the top plate 7 via a bearing, so that the support screw rod 501 is installed in a limited rotation manner.

[0032] Please refer to Figure 4 A through hole is provided inside the slider 502, and the inner diameter of the through hole is slightly larger than the outer diameter of the screw 501. A lifting plate 9 is fixedly installed on one side of the outer wall of the slider 502, and the outer wall of the lifting plate 9 matches the outer wall of the support seat 3. The roller 503 is rotatably connected to the slider 502 through a rotating shaft and a bearing, and the outer wall of one end of the slider 502 matches the inner wall of the movable groove 8.

[0033] In this embodiment: a through hole is provided inside the slider 502, the inner diameter of the through hole is slightly larger than the outer diameter of the screw 501, a lifting plate 9 is fixedly installed on one side of the outer wall of the slider 502, the outer wall of the lifting plate 9 matches the outer wall of the support seat 3, the roller 503 and the slider 502 are rotatably connected through a rotating shaft and a bearing, the outer wall of one end of the slider 502 matches the inner wall of the movable groove 8, so that the lifting plate 9 can be moved to drive the slider 502 to move along the inner wall of the movable groove 8.

[0034] Please refer to Figure 2 The fixing seat 603 is in an L-shaped structure. The fixing seat 603 is fixedly connected to the machine plate 1 by bolts. The outer wall of the screw rod 602 is rotatably connected to the fixing seat 603 by a bearing.

[0035] In this embodiment, the fixing seat 603 is in an L-shaped structure, the fixing seat 603 is fixedly connected to the machine plate 1 by bolts, and the outer wall of the screw rod 602 is rotatably connected to the fixing seat 603 by a bearing, so that the fixing seat 603 is fixed in a limited position, thereby realizing the limited rotation installation of the screw rod 602.

[0036] Please refer to Figure 2 The outer wall of the screw rod 602 and the inner wall of the threaded sleeve 601 are matched with each other, and the outer wall of the hand wheel 604 is provided with an anti-slip groove.

[0037] In this embodiment, the outer wall of the screw rod 602 and the inner wall of the threaded sleeve 601 are matched with each other, and the outer wall of the hand wheel 604 is provided with an anti-slip groove, so that the screw rod 602 can be rotated and the threaded sleeve 601 can move along the outer wall of the screw rod 602.

[0038] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning device for sewing woven fabric packaging bags, comprising a machine plate (1), a sewing machine (2), and a support seat (3), wherein the sewing machine (2) is arranged at the top of the machine plate (1), the support seat (3) is arranged at one end of the sewing machine (2), and a limit block (4) is arranged at one end of the support seat (3), characterized in that: A positioning mechanism (5) is provided inside the support seat (3), and an adjustment mechanism (6) is provided at one end of the support seat (3); The positioning mechanism (5) comprises a screw rod (501), a slider (502), a roller (503), a moving block (504), a connecting spring (505) and a handle (506); the screw rod (501) is mounted inside the support seat (3); the slider (502) is mounted inside the support seat (3); the roller (503) is rotatably mounted on one end of the slider (502); the moving block (504) is slidably mounted inside the support seat (3); the connecting spring (505) is sleeved on the outer wall of the screw rod (501); and the handle (506) is mounted on the top end of the screw rod (501).

2. A positioning device for sewing woven cloth packaging bags according to claim 1, characterized in that: The adjusting mechanism (6) comprises a threaded sleeve (601), a screw rod (602), a fixing seat (603) and a hand wheel (604); the threaded sleeve (601) is arranged at one end of the outer wall of the support seat (3); the screw rod (602) is arranged inside the threaded sleeve (601); the fixing seat (603) is sleeved on the outer wall of the screw rod (602); and the hand wheel (604) is arranged at one end of the screw rod (602).

3. A positioning device for sewing woven cloth packaging bags according to claim 1, characterized in that: The support seat (3) is provided with a moving groove (8) inside, and the moving block (504) is provided with a thread groove inside.

4. A positioning device for sewing woven cloth packaging bags according to claim 1, characterized in that: A top plate (7) is provided at the top end of the support seat (3), and the outer wall of the screw rod (501) is rotatably connected to the support seat (3) and the top plate (7).

5. A positioning device for sewing woven cloth packaging bags according to claim 1, characterized in that: A through hole is provided inside the slider (502), a lifting plate (9) is fixedly mounted on one side of the outer wall of the slider (502), and the roller (503) is rotatably connected to the slider (502).

6. A positioning device for sewing woven cloth packaging bags according to claim 2, characterized in that: The fixing seat (603) is fixedly connected to the machine plate (1), and the outer wall of the screw rod (602) is rotatably connected to the fixing seat (603).

7. A positioning device for sewing woven cloth packaging bags according to claim 2, characterized in that: The outer wall of the screw rod (602) and the inner wall of the threaded sleeve (601) are matched with each other, and the outer wall of the hand wheel (604) is provided with an anti-slip groove.

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