Press fitting mechanism of trouser waist mouth sealing machine

Abstract

The utility model relates to a press-fitting mechanism of a trouser waist mouth sealing machine, which comprises a workbench and a support plate transversely arranged on the workbench and provided with an avoiding opening; at least part of the air suction device is located below the workbench and corresponds to the position of the through hole, and the air suction device is used for sucking air so as to suck the front end of the trouser waist located at the avoiding opening; the turnover plate is arranged above the supporting plate, can be located behind the avoiding opening, is arranged to move in the front-back direction and is used for pushing the rear end of the trouser waist to move forwards so that the trouser waist can be turned over upwards, and therefore the trouser waist can form double-layer cloth; and the two pushing pieces are arranged above the supporting plate and located on the left side and the right side of the turning plate correspondingly, the two pushing pieces are arranged to only move towards each other relative to the turning plate, and the movement paths of the pushing pieces are located below the turning plate. The situation that the left side and the right side are not aligned after folding, and follow-up sewing is affected is avoided, manual alignment is not needed, requirements can be better met, and cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of trouser waist sealing machines, and in particular relates to a pressing mechanism of the trouser waist sealing machine. Background Art

[0002] In current trousers, the waistband of the trousers often needs to be folded, which is usually done manually, which is inefficient.

[0003] For this purpose, for example, the Chinese utility model patent "A trousers upper waist folding mechanism on a sewing machine", with patent number ZL202223359353.X (authorization announcement number CN218842550U), discloses a trousers upper waist folding mechanism on a sewing machine, including a supporting device and a folding device; the supporting device includes a fixed seat and a rear guide roller group and a front guide roller group arranged on the fixed seat; the folding device includes a bearing seat arranged on the table of the sewing machine. The folding structure includes an upper driving source arranged on the upper surface of the bearing seat and can be moved back and forth and adjusted, and a lower driving source arranged on the lower surface of the bearing seat and can be moved back and forth and adjusted, the upper driving source is connected to a fixed plate, and the fixed plate is U-shaped, the U-shaped fixed plate opening faces one side of the fixed plate, the other side of the upper surface of the bearing seat is provided with a matching plate structure, the lower driving source is drivingly connected to the matching plate structure, and the fixed plate, the matching plate structure and the upper surface of the bearing seat form a channel for the waistband fabric folding to pass through.

[0004] The above-mentioned upper waist folding mechanism realizes the folding of the fabric, but it is easy to be misaligned before folding, and the fabric may need to be aligned after sewing, which is inefficient. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a pressing mechanism of a trouser waist sealing machine in view of the current status of the above-mentioned prior art, so as to align the folded cloth before folding the cloth.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a pressing mechanism of a trouser waist sealing machine, including a workbench, characterized in that it also includes:

[0007] A support plate, which is arranged transversely on the workbench and has an escape opening for the trouser waist to rest on;

[0008] The workbench is provided with a through hole for air to pass through at least at a position corresponding to the avoidance opening;

[0009] An air suction device, at least partially located under the workbench and corresponding to the position of the through hole, is used to suck air to suck the front end of the trouser waist located at the avoidance opening;

[0010] A flap, which is disposed above the support plate and can be located behind the avoidance opening, and is arranged to move along the front-back direction, and is used to push the rear end of the trouser waist forward to fold it upward so that the trouser waist forms a double layer of fabric;

[0011] Two pushers are arranged above the support plate and respectively located on the left and right sides of the flap. The two pushers are arranged to move only toward each other relative to the flap, and the movement path of the pushers is located below the flap.

[0012] There are many ways to achieve the movement of the pushing member, but from the perspective of reliability and convenience and effort saving, it is preferably also provided with a driver and a linkage mechanism for driving the pushing member to move relative to the flap, the power output end of the driver is connected to the flap drive, and the flap is connected to the two pushing members through the linkage mechanism.

[0013] There are various structural forms of the linkage mechanism, but preferably, the linkage mechanism includes a connecting plate, a guide member arranged vertically and installed on the pushing member, and a guide groove opened on the support plate, each of the pushing members corresponds to one guide groove and at least one guide member, the flap is installed in front of the connecting plate, the connecting plate is connected to the power output end of the driver, the guide groove includes a rear sliding section and a front sliding section arranged in sequence from back to front and both extending along the front and back, and an inclined sliding section located between the rear sliding section and the front sliding section and connected to the two, the two inclined sliding sections gradually incline toward each other from back to front, a first guide groove extending along the left and right direction is opened on the connecting plate, the upper end of the guide member is located in the first guide groove, and the lower end of the guide member is located in the corresponding guide groove.

[0014] Preferably, each of the pushing members corresponds to two of the guiding members, and the two guiding members are arranged at intervals along the left-right direction and connected by a connecting piece.

[0015] The pushing member can be in the form of an integral part or in the form of split parts connected together, but preferably, the pushing member includes a mounting plate and a pushing plate arranged in sequence from back to front, the guide member is located on the mounting plate, and the pushing plate can be slidably constrained on the mounting plate.

[0016] There are many ways of slidingly fitting the push plate and the mounting plate, but preferably, the front end of the push plate overlaps with the rear end of the mounting plate up and down to form an overlapping area, the first guide groove is located behind the overlapping area, the part of the mounting plate located in the overlapping area is located above the push plate, and the part is provided with a slide groove extending along the left and right directions, and the push plate is provided with a through hole at the position of the slide groove for the vertically arranged connecting piece to pass through, and the connecting piece can be slidably constrained in the slide groove.

[0017] Preferably, the connecting plate is provided with a second guide groove extending along the left-right direction at a position corresponding to the sliding groove, and the upper end of the connecting member can be slidably constrained in the second guide groove.

[0018] In order to fix the trouser waist on the support plate, a pressing plate for pressing the trouser waist on the support plate is installed above the support plate in front of the avoidance opening.

[0019] Preferably, there are two groups of the flaps and the two pushers, which are arranged at intervals along the left-right direction.

[0020] There are various structural forms of the avoidance opening, but preferably, the avoidance opening is a U-shaped groove with its opening facing backwards.

[0021] Compared with the prior art, the utility model has the following advantages: in the pressing mechanism, the suction device draws air, and at this time, the wind is discharged through the through hole. Since the front end of the waistband fabric is located at the through hole, the front end of the waistband fabric is sucked onto the support plate at this time, and when the flap moves forward, the rear end of the waistband is pushed to move forward, and at this time the rear end of the waistband is folded forward to the top of the rear end, and at this time, the waistband fabric forms a double layer; and the two pushing members are located on the left and right sides of the waistband fabric, and when moving toward each other, they push the folded fabric left and right so that the left side of the upper fabric in the double-layer fabric is aligned with the left side of the lower fabric, and the right side of the upper fabric in the double-layer fabric is aligned with the right side of the lower fabric, so as to avoid unevenness of the left and right sides after folding, which affects subsequent sewing, and does not require manual alignment, which can better meet the needs and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a partial structural schematic diagram of the trouser waist sealing machine of this embodiment;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure of the press-fitting mechanism;

[0024] Figure 3 for Figure 2 Schematic diagram of some structures;

[0025] Figure 4 for Figure 3 A schematic diagram of the structure from another angle;

[0026] Figure 5 for Figure 2 A cross-sectional view of a portion of the structure. DETAILED DESCRIPTION

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0028] like Figures 1 to 5As shown, the pressing mechanism of the trouser waist sealing machine of this embodiment includes a workbench 1, a support plate 2, an air suction device, a flap 3, a pusher 4, a driver 6 and a linkage mechanism 5. Among them, the support plate 2 is arranged horizontally on the workbench 1, and a avoidance port is provided for the trouser waist to be placed on it. In this embodiment, the avoidance port is a U-shaped groove 20 with an opening facing backward. The aforementioned workbench 1 is provided with a through hole 12 for air to pass through at least at a position corresponding to the U-shaped groove 20. The air suction device is at least partially located below the workbench 1 and at a position corresponding to the through hole 12, and is used to suck air to suck the front end of the trouser waist located at the avoidance port. The arrangement of the aforementioned U-shaped groove and the through hole can reliably suck the trouser waist located at the U-shaped groove 20. The aforementioned air suction device can adopt any air suction device in the prior art, as long as it can achieve air suction, and will not be described in detail in this embodiment. In addition, in order to facilitate the fixing of the trouser waist, a pressing plate 9 for pressing the trouser waist on the support plate 2 is installed above the support plate 2 in front of the avoidance port.

[0029] like Figure 2 As shown, there are two groups of the flaps 3 and pushers 4, and they are arranged at intervals along the left-right direction. Each group corresponds to a U-shaped groove 20 and a group of through holes 12. Each group of through holes is distributed with a plurality of through holes 12. The structures of the two groups of flaps 3 and pushers 4 are the same, and one of the groups is used as an example for explanation below. The flap 3 is arranged above the support plate 2, and can be located behind the U-shaped groove 20, and is arranged to move along the front-to-back direction, and is used to push the rear end of the trouser waist forward to fold it upward so that the trouser waist forms a double layer of fabric. Each group corresponds to two pushers 4, and the two pushers 4 are both arranged above the support plate 2, and are respectively located on the left and right sides of the flap 3, and the two pushers 4 are arranged to move only toward each other relative to the flap 3, and the movement path of the pushers 4 is located below the flap 3.

[0030] The linkage mechanism 5 is used to drive the pusher 4 to move relative to the flap 3. The power output end of the driver 6 is connected to the flap 3. The flap 3 is connected to the two pushers 4 through the linkage mechanism 5. Specifically, the linkage mechanism 5 includes a connecting plate 51, a guide member 7 arranged vertically and mounted on the pusher 4, and a guide groove 21 provided on the support plate 2. Each pusher 4 corresponds to one guide groove 21 and at least one guide member 7. In this embodiment, Figure 3 As shown, each pusher 4 has two guide members 7, which are arranged at intervals along the left and right directions and connected by a connecting plate. The flap 3 is installed in front of the connecting plate 51, and the driver 6 is a cylinder, and the connecting plate 51 is connected to the power output end of the cylinder. Figure 4As shown, the guide groove 21 includes a rear slide section 211 and a front slide section 212 which are arranged in sequence from rear to front and both extend along the front and back, and an inclined slide section 213 located between the rear slide section 211 and the front slide section 212 and connected to the two. The two inclined slide sections 213 gradually incline toward each other from rear to front. A first guide groove 511 extending along the left-right direction is provided on the connecting plate 51. The upper end of the guide member 7 is located in the first guide groove 511, and the lower end of the guide member 7 is located in the corresponding guide groove 21.

[0031] like Figure 5 As shown, the pusher 4 includes a mounting plate 41 and a pusher plate 42 arranged in sequence from back to front, the guide member 7 is located on the mounting plate 41, and the pusher plate 42 can be slidably constrained on the mounting plate 41. Specifically, the front end of the pusher plate 42 overlaps with the rear end of the mounting plate 41 up and down to form an overlapping area, the first guide groove 511 is located behind the overlapping area, the part of the mounting plate 41 located in the overlapping area is located above the pusher plate 42, and the part is provided with a slide groove 411 extending along the left and right direction, the pusher plate 42 is provided with a through hole at the position of the slide groove 411 for the vertically arranged connecting member 8 to penetrate therein, and the connecting member 8 can be slidably constrained in the slide groove 411. In addition, the connecting plate 51 is provided with a second guide groove 512 extending along the left and right direction at the position corresponding to the slide groove 411, and the upper end of the connecting member 8 can be slidably constrained in the second guide groove 512.

[0032] When the driver pushes the flap to move forward, the first guide member moves forward along the corresponding guide groove. When the first guide member is located in the front sliding section of the guide groove, the two pushing members move forward and toward each other at the same time, thereby pushing the cloth, thereby aligning the left and right sides of the folded double-layer cloth.

[0033] In the specification and claims of the present invention, terms indicating directions, such as "rear", "front", "left", "right", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used for illustration and are not to be construed as limitations.

Claims

1. A pressing mechanism of a trouser waist sealing machine, comprising a workbench (1), characterized in that: Also included are: A support plate (2) is arranged transversely on the workbench (1) and is provided with an escape opening for allowing the waistband of the trousers to rest thereon; The workbench (1) is provided with a through hole (12) for air to pass through at least at a position corresponding to the avoidance opening; An air suction device, which is at least partially located below the workbench (1) and corresponds to the position of the through hole (12), and is used to suck air to suck the front end of the trouser waist located at the avoidance opening; A flap (3) is arranged above the support plate (2) and can be located behind the avoidance opening, and is arranged to move along the front-back direction, and is used to push the rear end of the trouser waist forward to fold it upward so that the trouser waist forms a double layer of fabric; Two pushers (4) are arranged above the support plate (2) and are respectively located on the left and right sides of the flap (3); the two pushers (4) are arranged to move only toward each other relative to the flap (3), and the movement path of the pushers (4) is located below the flap (3).

2. The press-fitting mechanism according to claim 1, characterized in that: It also includes a driver (6) and a linkage mechanism (5) for driving the pusher (4) to move relative to the flap (3); the power output end of the driver (6) is connected to the flap (3); and the flap (3) is connected to the two pushers (4) via the linkage mechanism (5).

3. The press-fitting mechanism according to claim 2, characterized in that: The linkage mechanism (5) comprises a connecting plate (51), a guide member (7) arranged vertically and mounted on the pushing member (4), and a guide groove (21) provided on the supporting plate (2), each pushing member (4) corresponding to one guide groove (21) and at least one guide member (7), the flap (3) being mounted in front of the connecting plate (51), the connecting plate (51) being connected to the power output end of the driver (6), the guide groove (21) comprising: A rear sliding section (211) and a front sliding section (212) extending forward and backward and an inclined sliding section (213) located between and connected to the rear sliding section (211) and the front sliding section (212), the two inclined sliding sections (213) gradually incline toward each other from rear to front, a first guide groove (511) extending in the left-right direction is provided on the connecting plate (51), the upper end of the guide member (7) is located in the first guide groove (511), and the lower end of the guide member (7) is located in the corresponding guide groove (21).

4. The press-fitting mechanism according to claim 3, characterized in that: Each of the pushing members (4) has two corresponding guide members (7), and the two guide members (7) are arranged at intervals along the left-right direction and connected by a connecting piece.

5. The press-fitting mechanism according to claim 3, characterized in that: The pushing member (4) comprises a mounting plate (41) and a pushing plate (42) which are arranged in sequence from the back to the front, the guide member (7) is located on the mounting plate (41), and the pushing plate (42) can be constrained on the mounting plate (41) in a slidable manner to the left and right.

6. The press-fitting mechanism according to claim 5, characterized in that: The front end of the push plate (42) and the rear end of the mounting plate (41) overlap up and down to form an overlapping area, the first guide groove (511) is located behind the overlapping area, the portion of the mounting plate (41) located in the overlapping area is located above the push plate (42), and the portion is provided with a slide groove (411) extending along the left and right directions, and the push plate (42) is provided with a through hole at the position of the slide groove (411) for a vertically arranged connecting member (8) to penetrate therein, and the connecting member (8) can be slidably constrained in the slide groove (411).

7. The press-fitting mechanism according to claim 6, characterized in that: The connecting plate (51) is provided with a second guide groove (512) extending in the left-right direction at a position corresponding to the sliding groove (411), and the upper end of the connecting member (8) can be slidably constrained in the second guide groove (512).

8. The press-fitting mechanism according to claim 1, characterized in that: A pressing plate (9) for pressing the waistband of the trousers onto the supporting plate (2) is installed above the supporting plate (2) and in front of the avoiding opening.

9. The press-fitting mechanism according to claim 1, characterized in that: The flap (3) and the two pushers (4) are provided in two groups and are arranged at intervals along the left-right direction.

10. The press-fitting mechanism according to any one of claims 1 to 9, characterized in that: The avoidance opening is a U-shaped groove (20) with its opening facing backwards.

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