Handheld bag sealing machine

Abstract

The utility model belongs to the technical field of bag sealing machines, and particularly relates to a handheld bag sealing machine which comprises a machine shell and a main shaft rotationally arranged in the machine shell, a transmission shaft driven by the main shaft to rotate is arranged in the machine shell, an eccentric shaft is eccentrically installed on the transmission shaft, a sliding block is rotationally sleeved outside the eccentric shaft, and a horizontal limiting shaft is arranged in the machine shell. A vertical limiting shaft is arranged on the horizontal limiting shaft in a sliding mode in the horizontal direction, the sliding block is arranged on the vertical limiting shaft in a sliding mode in the vertical direction, a movable pressing foot is installed on the sliding block, and during feeding, the movable pressing foot is matched with the feeding teeth to clamp cloth. Cloth is driven to move through the clamping force of the movable presser foot and the feeding teeth, and the situations of cloth clamping and cloth slipping are not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sealing machine, particularly point to a kind of hand-held sealing machine. BACKGROUND

[0002] Hand-held sealing machine is a portable sealing equipment, mainly used for the packaging bag of block, granular and powder-shaped object is sewn up.Hand-held sealing machine's transmission mechanism, feeding mechanism, needle mechanism and hook needle mechanism are as the sealing machine disclosed in Chinese utility model patent (publication number CN204530137U, application number 2015.02.27, publication date 2015.08.05).

[0003] Chinese utility model patent (publication number CN201103035Y, application date 2007.08.23, publication date 2008.08.20) discloses a hand-held electric sealing machine feeding mechanism, movable screw connection compression rod block is used on the upper surface of the presser foot rear part, the compression rod block one side is connected to the lifting compression wrench, the other side is equipped with needle bar, needle clamp, needle, needle bar side edge is equipped with switch, needle plate center is equipped with two feeding long grooves, feeding long groove is equipped with widened feeding tooth.

[0004] The above sealing machine has the following shortcomings: when feeding tooth feeds, presser foot is always pressed on cloth, only rely on the friction between feeding tooth and cloth to drive cloth to move, and cloth is easy to be stuck and slip. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of hand-held sealing machine, it is driven cloth to move by the clamping force of movable presser foot and feeding tooth, and cloth is not easy to be stuck and slip.

[0006] The utility model is realized as follows:

[0007] A kind of hand-held sealing machine, including casing and main shaft rotationally arranged in casing, the transmission shaft rotated by main shaft is equipped in the casing, eccentric shaft is installed eccentrically on the transmission shaft, eccentric shaft is rotationally sleeved with sliding block, horizontal limiting shaft is equipped in the casing, vertical limiting shaft is slid along horizontal direction on the horizontal limiting shaft, the sliding block is slid along vertical direction on vertical limiting shaft, movable presser foot is installed on the sliding block, when feeding, movable presser foot and feeding tooth cooperate to clamp cloth.

[0008] In the hand-held sealing machine, the sliding block is provided with a C-shaped mounting frame, the upper end of the movable presser foot is slidably arranged on the upper plate and the lower plate of the C-shaped mounting frame, a fixed block is fixedly sleeved on the movable presser foot, the fixed block is located between the upper plate and the lower plate of the C-shaped mounting frame, a spring is arranged between the fixed block and the upper plate of the C-shaped mounting frame, a waist-shaped hole is arranged on the vertical plate of the C-shaped mounting frame in the length direction and along the vertical direction, a guide plate 13 is arranged on the fixed block, and the guide plate 13 is slidably arranged on the waist-shaped hole.

[0009] In the hand-held sealing machine, the fixed block is fixedly installed on the movable presser foot through a set screw.

[0010] In the hand-held sealing machine, the upper end of the main shaft is connected with a driven shaft through a transmission mechanism one, the driven shaft drives the transmission shaft to rotate through a transmission mechanism two, the axis of the driven shaft and the axis of the main shaft are located in the same vertical plane, and the axis of the driven shaft and the axis of the transmission shaft are located at the same horizontal height.

[0011] In the hand-held sealing machine, a large synchronous pulley is fixedly sleeved on the main shaft, the large synchronous pulley is connected with the rotating shaft of the motor through a synchronous belt one, a connecting rod for driving the needle rod is arranged on the large synchronous pulley, the transmission mechanism one includes a driving synchronous pulley fixedly sleeved on the main shaft, a driven synchronous pulley fixedly sleeved on the driven shaft, and a synchronous belt two connecting the driving synchronous pulley and the driven synchronous pulley, and the driving synchronous pulley and the connecting rod are located on the two sides of the large synchronous pulley respectively.

[0012] In the hand-held sealing machine, the lower end of the connecting rod is connected with the large synchronous pulley, the upper end of the connecting rod is connected with one end of a lever, the other end of the lever is connected with one end of a chain link, the other end of the chain link is connected with a needle rod connecting sleeve, and the needle rod connecting sleeve is fixedly sleeved on the needle rod.

[0013] In the hand-held sealing machine, the transmission mechanism two includes a driving gear and a driven gear which are engaged and connected, the driving gear is fixedly sleeved on the driven shaft, and the driven gear is fixedly sleeved on the transmission shaft.

[0014] In the hand-held sealing machine, the housing includes an upper shell, a lower shell, and a connecting portion connecting the upper shell and the lower shell, the main shaft is arranged in the lower shell, the transmission shaft is arranged in the upper shell, a mounting seat is arranged in the connecting portion, the mounting seat includes a mounting plate fixedly installed on the connecting portion and a mounting shaft arranged perpendicularly to the mounting plate, a tension pulley for tensioning the synchronous belt two is arranged on the mounting shaft, a waist-shaped hole is arranged on the mounting plate, and a screw passes through the waist-shaped hole and is screwed with the connecting portion.

[0015] In the hand-held sealing machine, the tension pulley is a roller with a screw rod, and the roller with the screw rod is screwed with the mounting shaft.

[0016] In the handheld edge sealing machine, the rear side of the shell is covered with a rear cover.

[0017] In the handheld edge sealing machine, the transmission shaft is fixedly sleeved with a mounting sleeve, the eccentric shaft is in an integral structure with the mounting sleeve, and the axis of the eccentric shaft is not in a same line with the axis of the transmission shaft.

[0018] In the handheld edge sealing machine, a bearing is sleeved on the eccentric shaft between the eccentric shaft and the sliding block.

[0019] In the handheld edge sealing machine, the horizontal limiting shaft is slidably sleeved with a shaft sleeve, and the vertical limiting shaft is in an integral structure with the shaft sleeve.

[0020] In the handheld edge sealing machine, a through slot is arranged in the middle of the lower end of the movable presser foot, and the fixed presser foot is arranged in the through slot.

[0021] In the handheld edge sealing machine, the bottom of the movable presser foot is provided with sawteeth, and the inclination direction of the sawteeth of the movable presser foot is the same as that of the sawteeth of the feeding tooth.

[0022] Compared with the prior art, the utility model has the advantages of:

[0023] The utility model discloses a transmission shaft, eccentric shaft and movable presser foot driven by the main shaft, when the feeding tooth feeds, the movable presser foot and the feeding tooth cooperate to clamp the cloth, and drive the cloth to move together, that is, the movable presser foot and the feeding tooth drive the cloth to move through the clamping force, and the cloth is not easy to be clamped and slip. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three-dimensional of the utility model Figure 1 ;

[0025] Figure 2 It is the three-dimensional of the utility model Figure 2 ;

[0026] Figure 3 It is the three-dimensional of the utility model without shell and rear cover Figure 1 ;

[0027] Figure 4 It is the three-dimensional of the utility model without shell and rear cover Figure 2 ;

[0028] Figure 5 It is the three-dimensional of the utility model of transmission shaft, driven gear, mounting sleeve, eccentric shaft, sliding block, C type mounting frame and movable presser foot

[0029] Figure 6 is a perspective view of the utility model without a rear cover.

[0030] The figure mark: 1, the casing;2, the main shaft;3, the transmission shaft;4, the eccentric shaft;5, the sliding block;6, the horizontal limiting shaft;7, the vertical limiting shaft;8, the movable presser foot;9, the feeding tooth;10, the C type mounting bracket;11, the fixed block;12, the spring;13, the guide plate;14, the driven shaft;15, the big synchronous pulley;16, the synchronous belt one;17, the needle bar;18, the connecting rod;19, the driving synchronous pulley;20, the driven synchronous pulley;21, the synchronous belt two;22, the mounting seat;23, the tension pulley;24, the mounting sleeve;25, the bearing;26, the shaft sleeve;27, the fixed presser foot;28, the through slot;29, the lever;30, the chain link;31, the needle bar connecting sleeve;32, the driving gear;33, the driven gear;34, the rear cover. PREFERRED EMBODIMENT

[0031] The utility model will be further described below with specific embodiments, refer to Figure 1 -6:

[0032] A hand-held sealing machine, including casing 1 and rotation setting in casing 1 main shaft 2, the casing 1 is equipped with by main shaft 2 drive rotation transmission shaft 3, eccentric mounting has eccentric shaft 4 on transmission shaft 3, eccentric shaft 4 outer rotation sleeve has sliding block 5, the casing 1 is equipped with horizontal limiting shaft 6, the horizontal limiting shaft 6 is along the horizontal direction and is equipped with vertical limiting shaft 7, the sliding block 5 is along vertical limiting shaft 7 and is equipped in vertical sliding block 5, the sliding block 5 is installed movable presser foot 8, and movable presser foot 8 cooperates with feeding tooth 9 and clamps the cloth when feeding.

[0033] The utility model's working principle: as Figures 1-6 Shown, main shaft 2 rotation drive transmission shaft 3 rotation, further drive eccentric shaft 4 rotation around the rotation center of transmission shaft 3, further drive sliding block 5 operation, horizontal limiting shaft 6 and vertical limiting shaft 7 limit guiding of sliding block 5 operation, sliding block 5 operation drive movable presser foot 8 movement, the movement track of movable presser foot 8 is symmetrical with the movement track of feeding tooth 9 relative horizontal plane, and feeding tooth 9 feeds, and movable presser foot 8 cooperates with feeding tooth 9 and clamps the cloth, and together drive cloth movement.

[0034] As Figures 1-6 Shown, the utility model sets up transmission shaft 3, eccentric shaft 4 and movable presser foot 8 by main shaft 2 drive movement, and movable presser foot 8 cooperates with feeding tooth 9 and clamps the cloth when feeding tooth 9 feeds, and together drive cloth movement, that is, through the clamping force of movable presser foot 8 and feeding tooth 9 drive cloth movement, and cloth and cloth skid condition of not easy to appear are not prone to appear;Meanwhile the utility model drives movable presser foot 8 operation by main shaft 2, need not increase new power source, simple structure, low in cost.

[0035] In order to make the movable presser foot 8 have a certain floating space to adapt to different thicknesses of cloth, and better press the cloth in cooperation with the feeding tooth 9, as shown in Figure 1 、 2 , 4, 5, the slider 5 is provided with a C-shaped mounting bracket 10, the upper end of the movable presser foot 8 is slidably arranged on the upper plate and the lower plate of the C-shaped mounting bracket 10, a fixed block 11 is fixedly sleeved on the movable presser foot 8, the fixed block 11 is located between the upper plate and the lower plate of the C-shaped mounting bracket 10, a spring 12 is arranged between the fixed block 11 and the upper plate of the C-shaped mounting bracket 10, a vertical waist-shaped hole is arranged on the vertical plate of the C-shaped mounting bracket 10, a guide plate 13 is arranged on the fixed block 11, and the guide plate 13 is slidably arranged in the waist-shaped hole.

[0036] The mounting structure of the fixed block 11: the fixed block 11 is fixedly mounted on the movable presser foot 8 through a set screw.

[0037] The connection structure of the main shaft 2 and the transmission shaft 3: as shown in Figure 3 、 4 , 6, the upper end of the main shaft 2 is connected with a driven shaft 14 through a transmission mechanism one, the driven shaft 14 drives the transmission shaft 3 to rotate through a transmission mechanism two, the axis of the driven shaft 14 and the axis of the main shaft 2 are located in the same vertical plane, and the axis of the driven shaft 14 and the axis of the transmission shaft 3 are located at the same horizontal height, which is a reasonable layout.

[0038] The structure of the transmission mechanism one: as shown in Figure 3 、 4 , 6, a large synchronous pulley 15 is fixedly sleeved on the main shaft 2, the large synchronous pulley 15 is connected with the rotating shaft of the motor through a synchronous belt one 16, a connecting rod 18 for driving a needle rod 17 is arranged on the large synchronous pulley 15, the transmission mechanism one includes a driving synchronous pulley 19 fixedly sleeved on the main shaft 2, a driven synchronous pulley 20 fixedly sleeved on the driven shaft 14, and a synchronous belt two 21 connecting the driving synchronous pulley 19 and the driven synchronous pulley 20, and the driving synchronous pulley 19 and the connecting rod 18 are respectively located on both sides of the large synchronous pulley 15.

[0039] The specific connection structure of the connecting rod 18 and the needle rod 17: the lower end of the connecting rod 18 is connected with the large synchronous pulley 15, the upper end of the connecting rod 18 is connected with one end of a lever 29, the other end of the lever 29 is connected with one end of a chain link 30, the other end of the chain link 30 is connected with a needle rod connecting sleeve 31, and the needle rod connecting sleeve 31 is fixedly sleeved on the needle rod 17.

[0040] The structure of the transmission mechanism two: as shown in Figures 3-6 , the transmission mechanism two includes a driving gear 32 and a driven gear 33 which are engaged and connected, the driving gear 32 is fixedly sleeved on the driven shaft 14, and the driven gear 33 is fixedly sleeved on the transmission shaft 3.

[0041] Further, the casing 1 comprises an upper casing, a lower casing and a connecting part connecting the upper casing and the lower casing, the main shaft 2 is arranged in the lower casing, the transmission shaft 3 is arranged in the upper casing, the connecting part is provided with a mounting seat 22, the mounting seat 22 comprises a mounting plate fixedly mounted on the connecting part and a mounting shaft arranged perpendicularly to the mounting plate, the mounting shaft is provided with a tension pulley 23 for tensioning the second synchronous belt 21, the mounting plate is provided with a waist-shaped hole, a screw passes through the waist-shaped hole and is screwed with the connecting part, the screw is used for adjusting the tightness of the second synchronous belt 21 by the tension pulley 23, and the screw is adjusted by the screwdriver. Figure 3 、 4 , as shown in FIG. 6.

[0042] Preferably, the tension pulley 23 is a roller with a screw rod, and the roller with the screw rod is screwed with the mounting shaft.

[0043] Further, the rear side of the casing 1 is provided with a rear cover 34.

[0044] The mounting structure of the eccentric shaft 4: as shown in Figure 4 、 5 , the transmission shaft 3 is fixedly sleeved with a mounting sleeve 24, the eccentric shaft 4 is in an integral structure with the mounting sleeve 24, and the axis of the eccentric shaft 4 is not in the same straight line with the axis of the transmission shaft 3.

[0045] In order to stabilize the operation of the sliding block 5 and effectively prolong the service life, as shown in Figure 4 、 5 , the eccentric shaft 4 is provided with a bearing 25 sleeved on the eccentric shaft 4 between the eccentric shaft 4 and the sliding block 5.

[0046] The mounting structure of the vertical limiting shaft 7 and the horizontal limiting shaft 6: the horizontal limiting shaft 6 is slidably sleeved with a shaft sleeve 26, and the vertical limiting shaft 7 is in an integral structure with the shaft sleeve 26.

[0047] In order to save space, the movable presser foot 8 is provided with a through groove 28 at the middle of the lower end of the movable presser foot 8, and the through groove 28 is used for extending into the fixed presser foot 27.

[0048] In order to better clamp and move the cloth, the bottom of the movable presser foot 8 is provided with a sawtooth, and the inclination direction of the sawtooth of the movable presser foot 8 is the same as the inclination direction of the sawtooth of the feeding tooth 9.

[0049] The above embodiment is only one of the preferred embodiments of the present application, and does not limit the implementation range of the present application, so that: all equivalent changes made according to the shape, structure and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A hand-held sealer comprising a housing (1) and a main shaft (2) rotatably arranged in the housing (1), characterized in that: The transmission shaft (3) is driven to rotate by the main shaft (2) in the casing (1), the eccentric shaft (4) is eccentrically installed on the transmission shaft (3), the sliding block (5) is rotatably sleeved on the eccentric shaft (4), the horizontal limiting shaft (6) is arranged in the casing (1), the vertical limiting shaft (7) is slidably arranged on the horizontal limiting shaft (6) in the horizontal direction, the sliding block (5) is slidably arranged on the vertical limiting shaft (7) in the vertical direction, the movable presser foot (8) is arranged on the sliding block (5), and the movable presser foot (8) is clamped with the feeding tooth (9) to clamp the cloth during feeding.

2. A hand-held packaging machine according to claim 1, characterised in that: The C-shaped mounting bracket (10) is arranged on the sliding block (5), the upper end of the movable presser foot (8) is slidably arranged on the upper plate and the lower plate of the C-shaped mounting bracket (10), the fixed block (11) is fixedly sleeved on the movable presser foot (8), the fixed block (11) is located between the upper plate and the lower plate of the C-shaped mounting bracket (10), the spring (12) is arranged between the fixed block (11) and the upper plate of the C-shaped mounting bracket (10), the waist-shaped hole is arranged on the vertical plate of the C-shaped mounting bracket (10) and extends in the vertical direction, the guide plate (13) is arranged on the fixed block (11), and the guide plate (13) is slidably arranged on the waist-shaped hole.

3. A hand-held packet machine according to claim 1, characterized in that: The upper end of the main shaft (2) is connected with the driven shaft (14) through the transmission mechanism one, the driven shaft (14) drives the transmission shaft (3) to rotate through the transmission mechanism two, the axis of the driven shaft (14) and the axis of the main shaft (2) are located in the same vertical plane, and the axis of the driven shaft (14) and the axis of the transmission shaft (3) are located at the same horizontal height.

4. A hand-held packet machine according to claim 3, characterised in that: The main shaft (2) is fixedly sleeved with the large synchronous pulley (15), the large synchronous pulley (15) is connected with the rotating shaft of the motor through the synchronous belt one (16), the connecting rod (18) for driving the needle rod (17) is arranged on the large synchronous pulley (15), the transmission mechanism one comprises the driving synchronous pulley (19) fixedly sleeved on the main shaft (2), the driven synchronous pulley (20) fixedly sleeved on the driven shaft (14) and the synchronous belt two (21) connecting the driving synchronous pulley (19) and the driven synchronous pulley (20), and the driving synchronous pulley (19) and the connecting rod (18) are located on the two sides of the large synchronous pulley (15) respectively.

5. A hand-held packet machine according to claim 1, characterized in that: The casing (1) comprises an upper shell, a lower shell and a connecting portion connecting the upper shell and the lower shell, the main shaft (2) is arranged in the lower shell, the transmission shaft (3) is arranged in the upper shell, the mounting seat (22) is arranged in the connecting portion, the mounting seat (22) comprises a mounting plate fixedly arranged on the connecting portion and a mounting shaft arranged perpendicularly to the mounting plate, the mounting shaft is provided with the tension pulley (23) for tensioning the synchronous belt two (21), the mounting plate is provided with the waist-shaped hole, and the screw passes through the waist-shaped hole and is screwed with the connecting portion.

6. A hand-held packet machine according to claim 1, characterized in that: The transmission shaft (3) is fixedly sleeved with the mounting sleeve (24), the eccentric shaft (4) and the mounting sleeve (24) are in an integral structure, and the axis of the eccentric shaft (4) and the axis of the transmission shaft (3) are not located on the same straight line.

7. A hand-held packet machine according to claim 1, characterized in that: The bearing (25) is sleeved on the eccentric shaft (4) between the eccentric shaft (4) and the sliding block (5).

8. A hand-held packet machine according to claim 1, characterized in that: The horizontal limiting shaft (6) is sleeved with a shaft sleeve (26) which slides on the horizontal limiting shaft (6), and the vertical limiting shaft (7) is in an integral structure with the shaft sleeve (26).

9. A hand-held packet machine according to claim 1, characterized in that: The middle part of the lower end of the movable presser foot (8) is provided with a through slot (28) for the fixed presser foot (27) to extend into.

10. A hand-held packet machine according to claim 1, characterized in that: The bottom of the movable presser foot (8) is provided with sawteeth, and the inclination direction of the sawteeth of the movable presser foot (8) is the same as that of the sawteeth of the feeding tooth (9).

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