Bag opening machine

Abstract

The utility model relates to a bag opening machine. A sewing device, a laser cutting device, a bag opening forming device and an accessory bearing device are arranged on a working table. The bag opening forming device comprises a folding mechanism and a material fixing mechanism, the folding mechanism is arranged above the material fixing mechanism, and the bag opening forming device can move on the working table; according to the pocket opening sewing processing technology, pocket opening cloth pieces are positioned on a pocket opening forming device, and the steps of cutting, folding, accessory installing, sewing, discharging and the like are sequentially carried out. The folding mechanism and the material fixing mechanism are integrated into a whole, and compared with the prior art, accessories such as bag eyebrows, bag cloth or zippers are not prone to deviation and displacement in the machining process, and the product quality stability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of clothing processing machinery, in particular to a bag opening machine. Background Art

[0002] In the prior art, bag opening machines have been widely used. The Chinese invention application with publication number CN111575926A discloses a bag opening machine for processing the pocket opening of clothing. Its technical solution discloses that a material setting device, a laser cutting device, a bag folding device and a sewing device are arranged on the working table of the bag opening machine. The bag folding device is fixedly arranged above the feeding place of accessories such as bag eyebrows, bag cloth or zippers, and the material setting device reciprocates between the bag folding device, the laser cutting device and the sewing device; the processing process of the bag opening includes: the material is set by the material setting device for the pocket opening position of the clothing, and then the laser cutting device completes the cutting, after the cutting is completed, it moves to the top of the accessories and is folded by the bag folding device, then the clothing is stacked on the accessories, and finally moved to the sewing station for sewing. However, this technical solution cannot achieve continuous processing and has a high degree of manual participation.

[0003] The Chinese utility model patent with the announcement number CN214244833U discloses a continuous production clothing bag opening machine. Based on the technical solution with the announcement number CN111575926A, a lower support plate is arranged under the bag folding device for placing bag eyebrows, bag cloth or zipper and other accessories, and an upper plate mechanism is arranged on the material setting device to clamp the lower support plate and make it move with the material setting device to the sewing device, and a lower support plate reset device is arranged on the work table, which can transfer the lower support plate on the upper plate mechanism to the bottom of the bag folding device. Continuous processing is realized.

[0004] However, in the above technical solution, after the bag mouth is folded, a shaping block needs to be set to maintain the fit between the bag mouth and the accessories. At the same time, since the bag folding device is fixedly arranged above the accessory feeding point, the bag mouth needs to be transported to the bag folding mechanism for folding after being cut. These factors will cause accessories such as bag eyebrows, bag cloth or zippers to offset and shift during the processing, thereby affecting the stability of product quality. Utility Model Content

[0005] The utility model aims to provide a bag opening machine, which solves the defect in the prior art that bag eyebrows, bag cloth, zippers and other accessories are offset and shifted during the processing, thereby affecting the stability of product quality.

[0006] To achieve the above purpose, the technical solution of the utility model is:

[0007] A bag opening machine is provided with a working table, on which a sewing device and a laser cutting device are provided; it also includes a bag opening forming device and an accessory carrying device;

[0008] The bag mouth forming device comprises a base, and a folding mechanism and a material fixing mechanism arranged on the base, wherein the folding mechanism is located above the material fixing mechanism;

[0009] A first driving mechanism is provided to drive the bag mouth forming device to move on the work surface, and the base is connected to the first driving mechanism;

[0010] The base is provided with a connecting plate in the Z-axis direction, and the material setting mechanism is connected to the base through the connecting plate;

[0011] The material setting mechanism includes an outer pressure frame and a small pressure frame which are arranged on the connecting plate and can cooperate with each other to rise and fall. The small pressure frame is located above the outer pressure frame. The outer pressure frame and the small pressure frame are provided with bag opening processing windows correspondingly. A folding pressing sheet is also arranged at the bottom of the outer pressure frame. The outer pressure frame is provided with an opening driving part connected with the folding pressing sheet. The folding pressing sheet is provided with a sewing window which cooperates with the bag opening processing window.

[0012] The accessory bearing device includes a bearing plate, a support plate for placing the accessories, and a clamping mechanism for taking and placing the support plate;

[0013] A second driving mechanism is also provided to drive the accessory bearing device to take and place the supporting plate, and the bearing plate is connected to the second driving mechanism.

[0014] The base is provided with a Y-axis slide rail and a third driving mechanism, and the folding mechanism is provided with a mounting seat, which is connected to the Y-axis slide rail and slides along the Y-axis direction under the drive of the third driving mechanism;

[0015] The folding mechanism also includes a knife inserting seat, a knife inserting group, a knife inserting slide rail group and a knife inserting driving mechanism. The knife inserting group is composed of two X-axis knife inserting knives and two Y-axis knife inserting knives arranged in a rectangular shape. The knife inserting slide rail group is composed of an X-axis knife inserting slide rail and a Y-axis knife inserting slide rail. The knife inserting driving mechanism includes an X-axis driving unit for driving the two X-axis knife inserting knives to open or reset along the X-axis knife inserting slide rail, and a Y-axis driving unit for driving the two Y-axis knife inserting knives to open or reset along the Y-axis knife inserting slide rail.

[0016] The mounting seat is also provided with a lifting slide rail and a fourth driving mechanism in the Z-axis direction. The inserting blade seat is connected to the lifting slide rail and is lifted and lowered in the Z-axis direction on the mounting seat under the drive of the fourth driving mechanism.

[0017] The third driving mechanism and the fourth driving mechanism are both cylinders, and the X-axis driving unit and the Y-axis driving unit are both cylinders.

[0018] The folding pressing sheet is provided with a fixing portion and an opening portion, wherein the fixing portion is fixedly connected to the bottom of the external pressure frame, and the opening portion is connected to an opening driving portion arranged at the external pressure frame.

[0019] The carrier plate is provided with a Y-axis guide rail, and the clamping mechanism is slidably connected to the carrier plate via the Y-axis guide rail;

[0020] The supporting plate comprises a supporting plate body, a positioning pin hole and a clamping receiving member matched with the clamping mechanism.

[0021] The supporting plate is provided with a positioning pin hole, and the connecting plate is provided with a positioning pin which can be inserted into the positioning pin hole and moves with the supporting plate.

[0022] The first driving mechanism includes a servo motor and a screw rod, the screw rod is connected to the base, and the servo motor drives the base through the screw rod to drive the bag mouth forming device to move on the work surface.

[0023] The work surface is also provided with an accessory positioning component for positioning the accessories.

[0024] The advantages of the utility model are as follows: 1. The folding mechanism is integrated with the material fixing mechanism, so that the bag opening cloth pieces can be folded immediately after cutting, thereby avoiding the deviation and displacement of the bag opening cloth pieces during transportation; 2. The folding edge pressing plate setting of the material fixing mechanism has a fixing effect on the folding edge of the bag opening after the folding process, further preventing the deformation and displacement of the bag opening; 3. The material fixing mechanism presses the supporting plate through the positioning pin to ensure the stability of the position of accessories such as bag cloth, bag eyebrows or zippers during transportation without deviation; 4. The folding mechanism is integrated with the material fixing mechanism, which can shorten the length of the work surface and shorten the moving distance of the bag opening cloth pieces, which not only improves the processing speed and processing efficiency, but also shortens the size of the bag opening machine and saves space; 5. The bag opening machine of the utility model can be used to make fake pockets for clothing, and can also be used to make real pockets for clothing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The utility model is a structural schematic diagram of a bag opening machine at a bag opening cloth sheet feeding position.

[0026] Figure 2 The utility model is a structural schematic diagram of a bag opening machine in a bag opening cloth piece cutting position or a bag opening cloth piece sewing position.

[0027] Figure 3 The utility model is a structural schematic diagram of a bag opening machine at an accessory loading position.

[0028] Figure 4 It is a structural schematic diagram of the bag mouth forming device of the utility model.

[0029] Figure 5 It is a structural schematic diagram of the folding mechanism of the utility model.

[0030] Figure 6 It is a structural schematic diagram of the material setting mechanism of the utility model.

[0031] Figure 7 It is a schematic diagram of the folding and pressing structure of the material setting mechanism of the utility model.

[0032] Figure 8It is a second schematic diagram of the folding and pressing structure of the material setting mechanism of the utility model.

[0033] Fig. 9 It is a structural schematic diagram of the accessory carrying device of the utility model.

[0034] Fig.10 It is a structural schematic diagram of a supporting plate of the utility model.

[0035] In the figure: A-sewing device; B-cutting device; C-bag forming device; D-accessory bearing device; F-accessory positioning component; 1-base; 11-Y-axis slide rail; 12-third driving mechanism; 2-folding mechanism; 21-mounting seat; 22-insertion knife seat; 23-X-axis insert knife; 24-Y-axis insert knife; 3-fixing mechanism; 31-connecting plate; 32-small pressure frame; 33-outer pressure frame; 34-processing window; 35-positioning pin; 36-folding edge pressing piece; 361-fixing part; 362-opening part; 363-sewing window; 37-opening drive part; 41-carrying plate; 42-supporting plate; 421-main body; 422-positioning pin hole; 423-clamping receptor; 43-clamping mechanism; 44-Y-axis direction guide rail; 51-servo motor; 52-screw. DETAILED DESCRIPTION

[0036] The utility model is further described below in conjunction with the accompanying drawings. The accompanying drawings are only used for exemplary description and cannot be understood as limiting the present patent.

[0037] In order to more concisely describe the present embodiment, some parts known to those skilled in the art but not related to the main content of the present invention are omitted in the drawings or descriptions. In addition, for the convenience of description, some parts in the drawings are omitted, enlarged or reduced, but they do not represent the size or entire structure of the actual product.

[0038] The utility model is a bag opening machine, such as Figure 1-3 As shown, a work surface is provided, and the work surface is provided with a bag opening cloth feeding station, a cutting station, a sewing station and an accessory feeding station for bag eyebrows, bag cloth or zippers and other accessories. The sewing station is provided with a sewing device A, and the cutting station is provided with a laser cutting device B; it also includes a bag opening forming device C and an accessory carrying device D;

[0039] like Figure 4 As shown, the bag mouth forming device C includes a base 1, and a folding mechanism 2 and a material fixing mechanism 3 arranged on the base 1, and the folding mechanism 2 is located above the material fixing mechanism 3;

[0040] A first driving mechanism is provided to drive the bag mouth forming device C to move on the work surface, and the base 1 is connected to the first driving mechanism; preferably, the first driving mechanism includes a servo motor 51 and a screw 52, ​​the screw 52 is connected to the base 1, and the servo motor 51 drives the base 1 through the screw 52, ​​thereby driving the bag mouth forming device C to move on the work surface.

[0041] like Figure 4 , Figure 6 As shown, the base 1 is provided with a Z-axis direction connecting plate 31, and the material setting mechanism 3 is connected to the base 1 through the connecting plate 31;

[0042] The material fixing mechanism 3 includes an outer pressure frame 33 and a small pressure frame 32 which are arranged on the connecting plate 31 and can cooperate in lifting and lowering. The small pressure frame 32 is located above the outer pressure frame 33. The outer pressure frame 33 is used to place the bag-opening cloth pieces to be processed. The small pressure frame 32 is pressed down on the upper surface of the bag-opening cloth pieces to fix the bag-opening cloth pieces.

[0043] The outer pressure frame 33 and the small pressure frame 32 are provided with a bag opening processing window 34 correspondingly; Figure 7 , Figure 8 As shown, a folding pressing plate 36 is also provided at the bottom of the external pressure frame 33, and an opening driving unit 37 is provided on the external pressure frame 33 to be connected with the folding pressing plate 36. The folding pressing plate 36 is provided with a sewing window 363 cooperating with the bag opening processing window 34. The sewing window 363 is located below the processing window 34 and is connected thereto, and the connected portion is the sewing portion of the bag opening cloth piece.

[0044] The folding edge pressing piece 36 can have various designs, such as Figure 7 , Figure 8 Two design schemes are provided, but it does not mean that the structure of the folding pressing piece 36 of the present invention is limited to these two schemes.

[0045] A design such as Figure 7 As shown, the folding pressing piece 36 is provided with a fixing portion 361 outside the sewing window 363, an opening portion 362 is provided inside the sewing window 363, and an opening driving portion 37 is provided inside the outer pressure frame 33; the fixing portion 361 is fixedly connected to the outer side of the bottom of the outer pressure frame 33, and the two inner corners of the opening portion 362 are connected to the two opening driving portions 37 provided inside the outer pressure frame 33. The opening portion 362 can be separated (opened) from the bottom of the outer pressure frame 33 under the drive of the opening driving portion 37.

[0046] Another design solution is Figure 8 As shown, the opening portion 362 can also be configured as two clamping arms extending from both sides of the sewing window 363 to the inner side of the outer pressure frame 33, and the top ends of the two clamping arms are respectively connected to an opening driving portion 37, and the clamping arms are separated (opened) from the bottom of the outer pressure frame 33 under the drive of the opening driving portion 37. Preferably, the opening driving portion 37 is a cylinder.

[0047] like Fig. 9 As shown, the accessory carrying device D includes a carrying plate 41, a supporting plate 42 for placing accessories such as bag eyebrows, bag cloth or zippers, and a clamping mechanism 43 for taking and placing the supporting plate 42;

[0048] A second driving mechanism is also provided to drive the accessory carrying device D to pick up and place the supporting plate 42. The carrying plate 41 is connected to the second driving mechanism. The second driving mechanism drives the clamping mechanism 43 to place the supporting plate 42 at the accessory loading station, and transfers the supporting plate 42 released at the bag opening cloth loading station to the accessory loading station, thereby realizing the cyclic placement of the supporting plate 42 on the work surface.

[0049] like Figure 4 As shown, the base 1 is provided with a Y-axis slide rail 11 and a third driving mechanism 12 , and the folding mechanism 2 is provided with a mounting seat 21 , which is connected to the Y-axis slide rail 11 and slides along the Y-axis direction under the drive of the third driving mechanism 12 .

[0050] In the process of folding the bag opening, the folding mechanism 2 is driven by the third driving mechanism 12 to the top of the material fixing mechanism 3 to fold the bag opening after cutting. Normally, the third driving mechanism 12 drives the mounting seat 21 to withdraw, driving the folding mechanism 2 to move backward from the top of the material fixing mechanism 3, leaving space above the material fixing mechanism 3.

[0051] like Figure 5 As shown, the folding mechanism 2 also includes a knife inserting seat 22, a knife inserting group, a knife inserting slide rail group and a knife inserting driving mechanism. The knife inserting group is composed of two X-axis knife inserting knives 23 and two Y-axis knife inserting knives 24 arranged in a rectangular shape. The knife inserting slide rail group is composed of an X-axis knife inserting slide rail and a Y-axis knife inserting slide rail. The knife inserting driving mechanism includes an X-axis driving unit for driving the two X-axis knife inserting knives 23 to open or reset along the X-axis knife inserting slide rail, and a Y-axis driving unit for driving the two Y-axis knife inserting knives 24 to open or reset along the Y-axis knife inserting slide rail.

[0052] The mounting seat 21 is also provided with a lifting slide rail in the Z-axis direction and a fourth driving mechanism. The inserting seat 22 is connected to the lifting slide rail and is lifted and lowered along the Z-axis direction on the mounting seat 21 under the drive of the fourth driving mechanism.

[0053] When the material fixing mechanism 3 sends the bag opening cloth piece to the cutting station and the cutting is completed, the first driving mechanism drives the bag mouth forming device C to move to the accessory loading station. During the movement, the folding mechanism 2 slides to the top of the material fixing mechanism 3 along the Y-axis slide rail 11 under the drive of the third driving mechanism 12, and the fourth driving mechanism drives the inserting knife group to insert into the processing window 34 of the material fixing mechanism 3. The two Y-axis inserting knives 24 are opened along the Y-axis direction, and the two X-axis inserting knives 23 are opened along the X-axis direction to fold the cut bag mouth.

[0054] Preferably, the third driving mechanism and the fourth driving mechanism are both cylinders, and the X-axis driving unit and the Y-axis driving unit are both cylinders.

[0055] like Fig. 9 As shown, the carrying plate 41 of the accessory carrying device D is provided with a Y-axis guide rail 44 , and the clamping mechanism 43 is slidably connected to the carrying plate 41 via the Y-axis guide rail 44 .

[0056] like Fig.10 As shown, the support plate 42 includes a support plate body 421, a positioning pin hole 422, and a clamping receiving member 423 that cooperates with the clamping mechanism. Figure 6 As shown, the connection plate 31 is provided with a positioning pin 35 , and when the material fixing mechanism 3 moves above the supporting plate 42 , the positioning pin 35 can be inserted into the positioning pin hole 422 and carry the supporting plate 42 to move together with the material fixing mechanism 3 .

[0057] like Figure 1-3 As shown, an accessory positioning component F for positioning accessories such as bag eyebrows, bag cloths or zippers is also provided at the accessory loading station on the work surface. The accessory positioning component F extends when the accessory is placed on the supporting plate 42 and is located above the supporting plate 42 to position the accessory. After the accessory is placed, the accessory positioning component F is reset.

[0058] The process of processing clothing pockets of the utility model is described as follows using the accompanying drawings:

[0059] from Figure 1 Status (opening bag and loading cloth) to Figure 2 Status (cutting) to Figure 3 Status (opening cloth and accessories overlap) to Figure 2 Status (opening cloth and accessories sewn together) to Figure 1 Status (remove the processed bag opening cloth piece).

[0060] The specific steps are as follows:

[0061] In the first step, the bag mouth forming device C is Figure 1 The bag opening cloth piece loading station shown in the figure places the bag opening cloth piece to be processed on the outer pressing frame 33 of the fixing mechanism 3, and the small pressing frame 32 is pressed down to position the bag opening cloth piece; the first driving mechanism drives the bag opening forming device C to move to the Figure 2 In the cutting station shown, the laser cutting device B performs bag mouth cutting;

[0062] The second step is Figure 3 The accessory loading station shown is provided with a support plate 42, on which accessories (bag eyebrows, bag cloth or zipper) are placed; the bag mouth forming device C moves toward the accessory loading station, and during the movement, the folding mechanism 2 slides along the Y-axis slide rail 11 to above the fixing mechanism 3, the inserting knife group descends and inserts into the processing window 34 of the fixing mechanism 3, the two Y-axis inserting knives 24 are opened along the Y-axis direction, and the two X-axis inserting knives 23 are opened along the X-axis direction, and the cut bag mouth is folded;

[0063] During the folding process of cutting the bag opening, the opening drive unit 37 of the external pressure frame 33 drives the opening portion 362 of the folding plate 36 to move downward and separate from the bottom of the external pressure frame 33, so that the folded edge of the bag opening enters the gap between the folding plate 36 and the external pressure frame 33. After the folding mechanism 2 completes the folding process, the opening drive unit 37 drives the opening portion 362 to reset, and the folded edge of the bag opening is pressed stably and without displacement to the bottom of the external pressure frame 33.

[0064] In the third step, the bag mouth forming device C moves to the position as shown in FIG. Figure 3 The bag mouth forming device C moves with the supporting plate 42 to the position shown in the figure. Figure 2 At the sewing device A of the sewing station shown, the bag opening piece and the accessories are sewn together through the through-portion of the processing window 34 and the sewing window 363.

[0065] In the fourth step, the bag mouth forming device C moves with the supporting plate 42 to the position as shown in FIG. Figure 1 In the bag-opening cloth piece loading station shown, the positioning pin 35 is disengaged from the positioning pin hole 422, releasing the support plate 42, and the clamping mechanism 43 clamps the support plate 42 and transfers the released support plate 42 to the accessory loading station under the drive of the second driving mechanism. The stitched bag-opening cloth piece is taken away, and another bag-opening cloth piece is placed to start another processing.

[0066] The above process is to process and produce fake pockets of clothing. If real pockets of clothing are to be processed, it is necessary to add one more stitching in the third step, that is, when the pocket opening and the accessory are stitched for the first time, another supporting plate 42 is placed on the accessory loading station, and another accessory (bag cloth) is placed on the supporting plate 42;

[0067] After the first stitching, the bag mouth forming device C and the supporting plate 42 move together to the position as shown in FIG. Figure 1 The bag opening cloth piece loading station shown in the figure releases the supporting plate 42, and the bag mouth forming device C with the bag opening cloth piece after the first stitching continues to move to the other supporting plate 42 of the accessory loading station, and descends to make the bag cloth after the first stitching overlap with another accessory (bag cloth), and then, the bag opening forming device C moves with another supporting plate 42 to the sewing device A of the sewing station, and sews the bag opening cloth piece after the first stitching with another accessory (bag cloth), and after completion, it moves to the bag opening cloth piece loading station to remove the finished product. At this time, the finished product is a real bag.

[0068] The bag opening machine of the utility model can process both false pockets and real pockets of clothing according to the needs of customers.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. That is, any equivalent changes and modifications made according to the content of the patent application scope of the present invention should be within the technical scope of the present invention.

Claims

1. A bag opening machine, provided with a work surface, on which a sewing device (A) and a laser cutting device (B) are provided; characterized in that: It also includes a bag opening forming device (C) and an accessory carrying device (D); The bag mouth forming device (C) comprises a base (1), and a folding mechanism (2) and a material fixing mechanism (3) arranged on the base (1), wherein the folding mechanism (2) is located above the material fixing mechanism (3); A first driving mechanism is provided to drive the bag mouth forming device (C) to move on the work surface, and the base (1) is connected to the first driving mechanism; The base (1) is provided with a connecting plate (31) in the Z-axis direction, and the material setting mechanism (3) is connected to the base (1) via the connecting plate (31); The accessory carrying device (D) comprises a carrying plate (41), a supporting plate (42) for placing the accessories, and a clamping mechanism (43) for taking and placing the supporting plate (42); A second driving mechanism is also provided for driving the accessory bearing device (D) to take and place the supporting plate (42), and the bearing plate (41) is connected to the second driving mechanism.

2. The bag opening machine according to claim 1, characterized in that: The base (1) is provided with a Y-axis slide rail (11) and a third driving mechanism (12); the folding mechanism (2) is provided with a mounting seat (21); the mounting seat (21) is connected to the Y-axis slide rail (11) and slides along the Y-axis direction under the drive of the third driving mechanism (12); The folding mechanism (2) also includes a knife inserting seat (22), a knife inserting group, a knife inserting slide rail group and a knife inserting driving mechanism, wherein the knife inserting group is composed of two X-axis knife inserting knives (23) and two Y-axis knife inserting knives (24) arranged in a rectangular shape, the knife inserting slide rail group is composed of an X-axis knife inserting slide rail and a Y-axis knife inserting slide rail, and the knife inserting driving mechanism includes an X-axis driving unit for driving the two X-axis knife inserting knives (23) to open or reset along the X-axis knife inserting slide rail, and a Y-axis driving unit for driving the two Y-axis knife inserting knives (24) to open or reset along the Y-axis knife inserting slide rail; The mounting seat (21) is also provided with a lifting slide rail in the Z-axis direction and a fourth driving mechanism. The inserting seat (22) is connected to the lifting slide rail and is lifted and lowered along the Z-axis direction on the mounting seat (21) under the drive of the fourth driving mechanism.

3. The bag opening machine according to claim 2, characterized in that: The third driving mechanism and the fourth driving mechanism are both cylinders, and the X-axis driving unit and the Y-axis driving unit are both cylinders.

4. The bag opening machine according to claim 1, characterized in that: The material setting mechanism (3) comprises an outer pressure frame (33) and a small pressure frame (32) which are arranged on a connecting plate (31) and can cooperate with each other to rise and fall. The small pressure frame (32) is located above the outer pressure frame (33). The outer pressure frame (33) and the small pressure frame (32) are provided with bag opening processing windows (34) correspondingly. A folding pressing sheet (36) is also arranged at the bottom of the outer pressure frame (33). The outer pressure frame (33) is provided with an opening driving part (37) connected to the folding pressing sheet (36). The folding pressing sheet (36) is provided with a sewing window (363) which cooperates with the bag opening processing window (34).

5. The bag opening machine according to claim 4, characterized in that: The folded edge pressing sheet (36) is provided with a fixed portion (361) and an opening portion (362), wherein the fixed portion (361) is fixedly connected to the bottom of the external pressure frame (33), and the opening portion (362) is connected to an opening driving portion (37) provided at the external pressure frame (33).

6. The bag opening machine according to any one of claims 1 to 5, characterized in that: The carrier plate (41) is provided with a Y-axis guide rail (44), and the clamping mechanism (43) is slidably connected to the carrier plate (41) via the Y-axis guide rail (44); The supporting plate (42) comprises a supporting plate body (421), a positioning pin hole (422) and a clamping receiving member (423) matched with the clamping mechanism.

7. The bag opening machine according to claim 6, characterized in that: The supporting plate (42) is provided with a positioning pin hole (422), and the connecting plate (31) is provided with a positioning pin (35) which can be inserted into the positioning pin hole (422) and move with the supporting plate (42).

8. The bag opening machine according to claim 1, characterized in that: The first driving mechanism comprises a servo motor (51) and a screw rod (52), wherein the screw rod (52) is connected to the base (1), and the servo motor (51) drives the base (1) through the screw rod (52), thereby driving the bag mouth forming device (C) to move on the work surface.

9. The bag opening machine according to claim 1, characterized in that: The work surface is also provided with an accessory positioning component (F) for positioning accessories.

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