Full-motor control inner edge folding device
Through the fully motor-controlled inner edge folding device, the precise synchronous movement of the fabric is achieved by using the motor and the bidirectional screw drive, solving the problem of complex structure and poor stability of the cylinder and connecting rod in the prior art, and achieving precise control and stability improvement of the inner edge folding of the fabric is achieved.
Patent Information
- Application Number
- CN202422746586.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing automated clothing machines require multiple cylinders and connecting rods in the inner folding processing, resulting in complex structure and difficulty in adapting to the needs of changes in clothing diversity and bag shape changes, and poor stability.
The fully motor-controlled inner folding device is adopted to achieve precise synchronous motion of the fabric through the motor and the bidirectional screw drive, and the various specifications and shapes are recorded in combination with AI programming, reducing the number of cylinders and improving stability.
It realizes precise control of the folding edges in the fabric, reduces the number of motors and parts, improves the stability and adaptability of the equipment, and can adapt to the fabric needs of different specifications and shapes.
Smart Images
Figure CN223255633U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clothing sewing equipment, in particular to a fully motor-controlled inner folding device. Background Art
[0002] Clothing T-shirts, zipper pockets, trouser leg zippers and clothing pockets all require cutting the fabric into corresponding cloth edges and square edges during manufacturing. The cut edges are then sewn together with the zipper and fabric inserts on the four sides on the reverse side according to the process requirements. The sewn back side is then shaped and the edges are pressed, and then the required interlayer fabric and pocket fabric are sewn together. This traditional processing and manufacturing of clothing is time-consuming and labor-intensive, and the seams and stoppers are also unstable. There are also automated clothing machines on the market that can fold the edges and sew the four sides of the fabric. They use automatic cutters or laser cutting to cut the fabric into edges and square mouths, and use multiple cylinders to drive the edge rods and right-angled inner folding knives to fold them to the inner lining of the fabric edge and the inner lining of the lower edge of the square mouth. These are then superimposed on the fabric inlay and the zipper edge, and sent to the automatic sewing machine for sewing according to the program. This type of automated machine that uses cylinders and connecting rods to fold the fabric edges and the four sides of the fabric inward to form a square mouth requires more cylinders and connecting rods. At the same time, the cylinders have only two movements: extension and contraction, which makes it difficult to meet the changes and requirements of the current clothing diversity. At the same time, machines with multiple cylinders and multiple connecting rods are also unstable, and it is even more difficult to adapt to the changes in the length, width and shape of the bag opening. Summary of the Invention
[0003] In order to solve the technical defects of the existing technology, the utility model provides a fully motor-controlled inner folding device, which drives the front and rear or left and right synchronous motion variables through motor and bidirectional screw control. The motor and bidirectional screw can accurately adapt to any position of the front and rear variable motion and the left and right variable motion, and record various specifications of sizes and shapes through Ai programming and store them in the machine for use at any time.
[0004] The technical solution adopted by the utility model is: a fully motor-controlled inner folding device, including an upper lifting and inserting fabric mechanism and a lower folding mechanism, the folding mechanism includes:
[0005] A folding assembly, comprising a folding piece assembly for folding the fabric and a power transmission assembly for driving the folding piece assembly;
[0006] A hemming stop assembly, comprising a hemming stop plate assembly for stopping the hemming fabric and a power transmission assembly for driving the hemming stop plate assembly;
[0007] A power transmission assembly includes a motor and a bidirectional screw driven by the motor. A pair of bidirectional nuts are sleeved on the bidirectional screw. The bidirectional nuts of the bidirectional screws are connected to the folding piece assembly or the hem stop piece assembly to move forward and backward in opposite directions at the same time, thereby realizing the functions of folding the fabric and blocking the hem of the fabric.
[0008] The bottom plate, the folding piece assembly, the folding block piece assembly and the power transmission assembly are all installed on the bottom plate, a square opening is provided in the middle of the bottom plate, and guide grooves are provided around the square opening for the folding piece assembly and the folding block piece assembly to slide forward, backward, left and right.
[0009] The folding assembly includes front and rear folding assemblies and left and right folding assemblies, and the hemming stop assembly includes front and rear folding stop assemblies and left and right folding stop assemblies.
[0010] The front and rear folding components include a folding motor fixed on the motor frame and a front and rear folding bidirectional screw installed on the bearing seat. The folding motor drives and controls the rotation of the front and rear folding bidirectional screws through a synchronous wheel and a synchronous belt. A front folding nut and a rear folding nut are sleeved on the front and rear folding bidirectional screws. The front folding nut and the rear folding nut are respectively connected to a front folding connecting arm and a rear folding connecting arm. The front folding connecting arm and the rear folding connecting arm are respectively connected to a front folding piece and a rear folding piece. The front folding nut and the rear folding nut respectively drive the front folding piece and the rear folding piece to perform simultaneous front and rear folding actions at the edges of the square opening in the folding guide groove of the bottom plate through the front folding connecting arm and the rear folding connecting arm.
[0011] The front and rear folding gear shift components include a front folding gear shift plate and a rear folding gear shift plate, which are respectively slidably overlapped on the front pull-folding piece and the rear pull-folding piece and are parallel to the square opening, and also include a front and rear folding gear bidirectional screw, and the front and rear folding gear motors are connected to the front and rear folding gear bidirectional screws through synchronous wheels and synchronous belts, driving and controlling the rotation of the front and rear folding gear screws, and the front and rear folding gear bidirectional screws are sleeved with a front folding gear nut and a rear folding gear nut, and the front folding gear nut and the rear folding gear nut are respectively connected to the front folding gear connecting arm and the rear folding gear connecting arm, the front folding gear connecting arm is connected to the front folding gear plate, and the rear folding gear connecting arm is connected to the rear folding gear plate, driving the front folding gear plate and the rear folding gear plate to perform front and rear gear actions in the folding gear guide groove of the bottom plate at the edge of the square opening.
[0012] The left and right folding components include a folding motor fixed on the motor frame and left and right folding bidirectional screws installed on the bearing seat. The folding motor controls the rotation of the left and right folding bidirectional screws through the synchronous wheel and the synchronous belt. The left and right folding bidirectional screws are provided with a left folding nut and a right folding nut. They also include left and right folding guide rails. The left and right folding guide rails are provided with a folding slider. The left folding nut is connected to the folding slider through a left nut connecting arm. The left nut connecting arm is connected to the left folding connecting arm. The left folding connecting arm is connected to a left folding edge folding piece. The left nut connecting arm drives the left folding connecting arm and the left folding edge folding piece to perform folding action tightly in the guide groove of the bottom plate.
[0013] The left and right folding gear components also include left and right folding gear guide rails, and the left and right folding gear guide rails are also provided with folding sliders. The right folding nut is connected to the folding sliders on the left and right folding gear guide rails through the right nut connecting arm. The right nut connecting arm is also connected to the right folding long connecting arm, and the right folding long connecting arm is connected to the right folding pull-folding piece. The right nut connecting arm drives the right folding long connecting arm and the right folding pull-folding piece to perform folding action tightly in the guide groove of the bottom plate.
[0014] The left and right side folding gear components also include left and right side folding gear bidirectional screws, and the left and right side folding gear motor is connected to the left and right side folding gear bidirectional screws through a synchronous wheel and a synchronous belt, driving the left and right side folding gear screws to rotate. The left and right side folding gear bidirectional screws are sleeved with a left side folding gear nut and a right side folding gear nut. The left and right pull-folding guide rails and the left and right side folding gear guide rails are both provided with a gear slider. The gear slider on the left and right pull-folding guide rails is fixedly connected to the left side folding gear plate through the left side folding gear long connecting arm and the left side folding gear nut. The gear slider is connected to the left side folding gear plate, driving the left side folding gear plate to be connected and overlapped in the guide groove above the left side folding pull plate to do the folding gear work.
[0015] The bottom plate is also provided with a protective cover plate, and a square opening is opened in the middle of the protective cover plate, and the square opening corresponds to the square opening of the bottom plate.
[0016] The lifting and squeezing and inserting fabric mechanism is composed of a material insertion lifting connecting seat, a material insertion lifting cylinder, a slider and a guide rail, a material insertion lifting sliding plate, a material insertion two-way die-changing component, left and right material insertion slide cylinders, and front and rear die-changing material insertion plates and left and right material insertion plates. It mainly lowers the cut fabric edges to the folding mechanism through the lifting and squeezing and inserting component, and aligns the cut fabric edges with the folding material opening of the folding mechanism to squeeze and insert the fabric.
[0017] The beneficial effects of the utility model are as follows: the utility model provides a fully motor-controlled inner folding device, comprising an upper lifting and squeezing cloth mechanism and a lower folding mechanism, the folding mechanism comprising a folding assembly, the folding assembly comprising a folding piece assembly for folding the cloth and a power transmission assembly for driving the folding piece assembly; the folding stop assembly comprises a folding stop piece assembly for stopping the folding cloth and a power transmission assembly for driving the folding stop assembly; the power transmission assembly comprises a motor fixed to a motor frame and a bidirectional screw mounted on a bearing seat, the motor is connected to the bidirectional screw through a synchronous wheel and a synchronous belt, driving and controlling the rotation of the bidirectional screw, a pair of bidirectional nuts is sleeved on the bidirectional screw, and the bidirectional nuts matched with the bidirectional screws are connected to the folding piece assembly or the folding stop piece assembly to make opposite and simultaneous forward and backward movements, thereby realizing the functions of folding the cloth and stopping the folding cloth; the bottom The plate, the folding plate assembly, the folding stop plate assembly and the power transmission assembly are all installed on the bottom plate, and a square opening is provided in the middle of the bottom plate. Guide grooves are provided around the square opening for the folding plate assembly and the folding stop plate assembly to slide forward, backward, left and right. The utility model drives the bidirectional screw and the bidirectional nut by a motor to simultaneously complete two forward and backward folding operations, and a folding stop motor drives the bidirectional screw and the bidirectional nut to simultaneously complete the two forward and backward folding shift operations, so that the original four front and rear folding shifts and front and rear folding and two retreating actions are completed by two motors and two bidirectional screws, saving half the motors and parts, and at the same time can accurately control the retreat needle drop point and seam position, solving the problem that excessive retreat affects the stability of the folding, and can arbitrarily change the size of the mold and the specifications of the fabric, solving the problem of complex structure and poor stability of multiple cylinder drive in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a top view schematic diagram of the folding mechanism structure of the utility model.
[0019] Figure 2 This is an exploded diagram of the folding mechanism structure of the utility model.
[0020] Figure 3 This is a schematic structural diagram of the utility model.
[0021] Figure 4 This is an exploded view of the structure of the utility model.
[0022] Figure 5 This is an exploded view of the structure of the utility model.
[0023] Figure 6 This is an exploded view of the left and right pull-folding components and the left and right folding gear components of the utility model.
[0024] Figure 7 for Figure 4 A magnified view of the local structure of the folding component at point A in the middle.
[0025] Among them, 1-lifting and extruding fabric mechanism, 2-motor frame, 3-bearing seat, 4-synchronous belt, 5-bottom plate, 6-front and rear folding components, 7-left and right folding components, 8-front and rear folding gear components, 9-left and right folding gear components, 11-insertion lifting connecting seat, 12-insertion lifting cylinder, 13-slider and guide rail, 14-insertion lifting sliding plate, 15-insertion bidirectional die-changing component, 51-square opening, 52-cover plate, 61-front and rear folding bidirectional screw, 62-folding motor, 63-front folding nut, 64-rear folding nut, 65-front folding connecting arm, 66-rear folding connecting arm, 67-front folding piece, 68-rear folding piece, 69-folding guide groove, 71-left and right folding bidirectional screw, 72-left folding nut, 73-right folding nut, 74-left and right folding guide rail, 7 5-pull-fold slider, 76-left nut connecting arm, 77-left pull-fold connecting arm, 78-left folding pull-folding piece, 79-right nut connecting arm, 81-front folding gear plate, 82-rear folding gear plate, 83-front and rear folding gear bidirectional screw, 84-front and rear folding gear motor, 85-front folding gear nut, 86-rear folding gear nut, 87-front folding gear connecting arm, 88-rear folding gear connecting arm Arm, 89- folding gear guide groove, 91- left and right folding gear guide rails, 92- left and right folding gear bidirectional screw, 93- left folding gear nut, 94- right folding gear nut, 95- gear slider, 96- left folding gear long connecting arm, 97- left folding gear plate, 98- right folding gear connecting arm, 99- right folding gear plate, 791- right pull folding long connecting arm, 792- right folding pull folding piece. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.
[0027] A fully motor-controlled inner folding device includes an upper lifting and squeezing cloth mechanism 1 and a lower folding mechanism. The lifting and squeezing cloth mechanism 1 consists of an insertion lifting connecting seat 11, an insertion lifting cylinder 12, a slider and a guide rail 13, an insertion lifting sliding plate 14, an insertion two-way die-changing assembly 15, left and right insertion slide cylinders, front and rear die-changing insertion plates, and left and right insertion plates. It also has a two-way size adjustment function. It mainly lowers the cut cloth edges to the folding mechanism through the lifting and squeezing cloth assembly, aligns the four sides of the cut cloth with the folding material port of the folding mechanism, and retracts the four-side insertion plates and the lifting and squeezing cloth assembly to wait for the next work. The folding mechanism includes: a folding assembly, which includes a folding piece assembly for folding the fabric and a power transmission assembly for driving the folding piece assembly; a folding stop assembly, which includes a folding stop piece assembly for blocking the folding fabric and a power transmission assembly for driving the folding stop piece assembly; a power transmission assembly, which includes a motor fixed to a motor frame and a bidirectional screw mounted on a bearing seat 3, the motor is connected to the bidirectional screw through a synchronous wheel and a synchronous belt to drive and control the rotation of the bidirectional screw, and common means such as coaxial drive or gear matching can also be used. The bidirectional screw is provided with a pair of bidirectional nuts, and the bidirectional nuts paired with the bidirectional screw are connected to the folding piece assembly or the folding stop piece assembly to make simultaneous forward and backward movements in opposite directions, so as to realize the folding of the fabric and the blocking function of the folded fabric; the base plate 5, the folding piece assembly, the folding stop piece assembly and the power transmission assembly are all installed on the base plate 5, and a square opening 51 is provided in the middle of the base plate 5, and a guide groove is provided around the square opening 51 for the folding piece assembly and the folding stop piece assembly to slide forward, backward, left and right. The guide groove can be a groove milled on the base plate 5, or it can be formed by stacking multiple layers of boards.
[0028] The folding assembly includes front and rear folding assemblies 6 and left and right folding assemblies 7 , and the hemming stop assembly includes front and rear folding stop assemblies 8 and left and right folding stop assemblies 9 .
[0029] The front and rear folding components 6 include a folding motor 62 fixed on the motor frame 2 and a front and rear folding bidirectional screw 61 installed on the bearing seat 3. The folding motor 62 drives the front and rear folding bidirectional screw 61 to rotate through the synchronous wheel and the synchronous belt 4. Common means such as coaxial drive or gear matching can also be used. A front folding nut 63 and a rear folding nut 64 are sleeved on the front and rear folding bidirectional screw 61. The front folding nut 63 and the rear folding nut 64 are respectively connected to the front folding connecting arm 65 and the rear folding connecting arm 66. The front folding connecting arm 65 and the rear folding connecting arm 66 are respectively connected to the front folding piece 67 and the rear folding piece 68. The front folding nut 63 and the rear folding nut 64 respectively drive the front folding piece and the rear folding piece to perform simultaneous front and rear folding actions at the edges of the square opening in the folding guide groove 69 of the bottom plate 5 through the front folding connecting arm 65 and the rear folding connecting arm 66. The front and rear folding gear assembly 8 includes a front folding gear plate 81 and a rear folding gear plate 82, which are respectively slidably overlapped on the front pull-folding piece and the rear pull-folding piece and are parallel to the square opening, and also includes a front and rear folding gear bidirectional screw 83, and the front and rear folding gear motor 84 is connected to the front and rear folding gear bidirectional screw 83 through a synchronous wheel and a synchronous belt 4, driving and controlling the rotation of the front and rear folding gear bidirectional screw, and can also adopt common means such as coaxial drive or gear matching, the front and rear folding gear A front folding shift nut 85 and a rear folding shift nut 86 are sleeved on the bidirectional screw 83, and the front folding shift nut 85 and the rear folding shift nut 86 are respectively connected to the front folding shift connecting arm 87 and the rear folding shift connecting arm 88, the front folding shift connecting arm 87 is connected to the front folding shift plate 81, and the rear folding shift connecting arm 88 is connected to the rear folding shift plate 82, which drive the front folding shift plate 81 and the rear folding shift plate 82 to perform front and rear shifting actions in opposite directions at the edge of the square opening in the folding shift guide groove 89 of the bottom plate 5. The front and rear folding stop plates and the front and rear pull-folding pieces of the bottom layer work in coordination. After the front and rear folding stop plates determine their positions, the small square openings of the front and rear pull-folding pieces of the bottom layer just extend out of the edge of the folding stop plates. The lifting and squeezing components squeeze the fabric into the front and rear folding small square openings. After the squeezing pieces around are retracted, the front and rear pull-folding pieces of the bottom layer clamp the fabric under the folding stop plates and clamp the bottom of the stop plates. At this time, the front and rear folding stop plates must be retracted 1.5mm to facilitate sewing by the sewing machine to ensure that the machine does not hit the front and rear stop plates.
[0030] The left and right folding components 7 include a folding motor 62 fixed on the motor frame 2 and a left and right folding bidirectional screw 71 installed on the bearing seat 3. The folding motor 62 drives and controls the rotation of the left and right folding bidirectional screw 71 through the synchronous wheel and the synchronous belt 4. The left and right folding bidirectional screw 71 is provided with a left folding nut 72 and a right folding nut 73, and also includes left and right folding guide rails 74. The left and right folding guide rails 74 are provided with a folding slider 75. The left folding nut 72 is connected to the folding slider 75 through a left nut connecting arm 76. The left nut connecting arm 76 is connected to the left folding connecting arm 77. The left folding connecting arm 77 is connected with a left folding edge folding piece 78. The left nut connecting arm 76 drives the left folding connecting arm 77 and the left folding edge folding piece 78 to perform folding action tightly in the guide groove of the bottom plate 5. The left and right folding gear assembly 9 also includes left and right folding gear guide rails 91, and the left and right folding gear guide rails 91 are also provided with a folding slider 75. The right folding nut 73 is connected to the folding slider 75 on the left and right folding gear guide rails 91 through a right nut connecting arm 79. The right nut connecting arm 79 is also connected to a right folding long connecting arm 791, and the right folding long connecting arm 791 is connected to a right folding pull-folding piece 792. The right nut connecting arm 79 drives the right folding long connecting arm 791 and the right folding pull-folding piece 792 to perform folding action tightly in the guide groove 52 of the bottom plate 5. The left and right folding gear assembly 9 also includes a left and right folding gear bidirectional screw 92, and the left and right folding gear motors are connected to the left and right folding gear bidirectional screw 92 through a synchronous wheel and a synchronous belt 4 to drive and control the rotation of the left and right folding gear bidirectional screws. The left and right folding gear bidirectional screws 92 are sleeved with a left folding gear nut 93 and a right folding gear nut 94. The left and right folding guide rails 74 and the left and right folding gear guide rails 91 are both provided with a gear slider 95. The left and right folding guide rails The shift slider 95 on 74 is fixedly connected to the left folding shift nut 93 through the left folding shift long arm 96, driving the left folding shift plate 97 to connect and overlap in the guide groove 52 above the left folding pull-folding piece 78 to perform the folding shift work. The shift slider 95 on the left and right folding shift guide rails 91 is fixedly connected to the right folding shift nut 94 through the right folding shift connecting arm 98, driving the right folding shift plate 99 to connect and overlap in the guide groove 52 above the right folding pull-folding piece to perform the folding shift work. When the left and right folding stop plates are positioned, the small square openings of the left and right folding pieces of the bottom layer just extend out of the edge of the folding stop plate, and the lifting and squeezing assembly squeezes the fabric into the left and right folding small square openings. After retracting the squeezing pieces around, the left and right folding pieces of the bottom layer clamp the fabric under the folding stop plate and clamp the bottom of the stop plate. At this time, the left and right folding stop plates need to be retracted 1.5mm to facilitate sewing by the sewing machine to ensure that the machine does not hit the left and right stop plates; a square opening is opened in the middle of the protective cover plate, and the square opening corresponds to the square opening of the bottom plate, which is convenient for laser cutting, pressing, folding, sewing and other operations.
[0031] The base plate 5 is also provided with a protective cover 52, which has a square opening in the middle that corresponds to the square opening of the base plate 5. The rear of the protective cover is shaped like a protective cover based on the contours of the left and right hem-folding stop assemblies and connecting arms, and the left and right folding assemblies and connecting arms, while the front is flush with the base plate surface for ease of operation.
[0032] The present invention uses a front and rear folding motor to drive a bidirectional screw and a bidirectional nut to simultaneously complete two forward and backward folding tasks. Similarly, a front and rear folding stop motor drives a bidirectional screw and a bidirectional nut to simultaneously complete the forward and backward folding stop work. After the folding stop work is completed, the needle drop must be retreated by 1.5mm to make room. The original four front and rear folding stops and front and rear folding plus two retreat actions are completed by two motors and two bidirectional screws, which saves half the motors and parts. At the same time, it can also accurately control the retreat needle drop point and seam position to solve the problem of excessive retreat affecting the folding stability, and the mold size and fabric specifications can be arbitrarily changed. As for the left and right sides, the optimal method of this solution is also to use a left and right folding motor to drive the bidirectional screw and the bidirectional nut to simultaneously complete two opposite left folding tasks. Similarly, a left and right folding stop motor drives the bidirectional screw and the bidirectional nut to simultaneously complete the left and right folding stop work in pairs. After the folding stop work is completed, the needle drop must be retreated by 1.5mm to make way. The original front and rear folding stops and the front and rear folding plus two retreat actions are completed by two motors and two bidirectional screws, saving half the motors and parts. At the same time, it can also accurately control the retreat needle drop point and seam position to solve the problem of excessive retreat affecting the folding stability, and the length and width of the fabric specifications can be changed arbitrarily.
[0033] Technical personnel please note: Although the utility model has been described according to the above specific implementation methods, the utility model concept of the utility model is not limited to this utility model. Any modification using the utility model concept will be included in the scope of protection of the patent right of this patent.
[0034] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.
Claims
1. A fully motor-controlled inner folding device, comprising an upper lifting and inserting fabric mechanism (1) and a lower folding mechanism, characterized in that: The folding mechanism comprises: A folding assembly, comprising a folding piece assembly for folding the fabric and a power transmission assembly for driving the folding piece assembly; A hemming stop assembly, comprising a hemming stop plate assembly for stopping the hemming fabric and a power transmission assembly for driving the hemming stop plate assembly; A power transmission assembly includes a motor and a bidirectional screw driven by the motor. A pair of bidirectional nuts are sleeved on the bidirectional screw. The bidirectional nuts of the bidirectional screws are connected to the folding piece assembly or the folding stop piece assembly to move forward and backward in opposite directions at the same time, thereby realizing the functions of folding the fabric and blocking the folded fabric. A bottom plate (5), the folding piece assembly, the folding stop piece assembly and the power transmission assembly are all mounted on the bottom plate (5), a square opening (51) is provided in the middle of the bottom plate (5), and guide grooves are provided around the square opening (51) for the folding piece assembly and the folding stop piece assembly to slide forward, backward, left and right.
2. The fully motor-controlled inner folding device according to claim 1, characterized in that: The folding assembly comprises front and rear folding assemblies (6) and left and right folding assemblies (7), and the hemming stop assembly comprises front and rear folding stop assemblies (8) and left and right folding stop assemblies (9).
3. The fully motor-controlled inner folding device according to claim 2, characterized in that: The front and rear folding assembly (6) includes a folding motor (62) fixed on the motor frame (2) and a front and rear folding bidirectional screw (61) mounted on the bearing seat (3). The folding motor (62) drives and controls the front and rear folding bidirectional screw (61) to rotate through a synchronous wheel and a synchronous belt (4). A front folding nut (63) and a rear folding nut (64) are sleeved on the front and rear folding bidirectional screw (61). The front folding nut (63) and the rear folding nut (64) are respectively A front folding connecting arm (65) and a rear folding connecting arm (66) are connected, and a front folding piece (67) and a rear folding piece (68) are connected to the front folding connecting arm (65) and the rear folding connecting arm (66), respectively. The front folding nut (63) and the rear folding nut (64) respectively drive the front folding piece and the rear folding piece to perform a front-back folding operation at the edge of the square opening in the folding guide groove (69) of the bottom plate (5) through the front folding connecting arm (65) and the rear folding connecting arm (66).
4. The fully motor-controlled inner folding device according to claim 3, characterized in that: The front and rear folding gear assembly (8) includes a front folding gear plate (81) and a rear folding gear plate (82), the front folding gear plate (81) and the rear folding gear plate (82) are respectively slidably overlapped on the front folding piece and the rear folding piece and are parallel to the square opening, and also includes a front and rear folding gear bidirectional screw (83), the front and rear folding gear motor (84) is connected to the front and rear folding gear bidirectional screw (83) through a synchronous wheel and a synchronous belt (4), and drives and controls the front and rear folding gear bidirectional screw to rotate, and the front and rear folding gear bidirectional screw (83) is sleeved with a front folding gear. The front folding stop nut (85) and the rear folding stop nut (86) are connected to the front folding stop connecting arm (87) and the rear folding stop connecting arm (88) respectively. The front folding stop connecting arm (87) is connected to the front folding stop plate (81), and the rear folding stop connecting arm (88) is connected to the rear folding stop plate (82). The front folding stop plate (81) and the rear folding stop plate (82) are driven in the folding stop guide groove (89) of the bottom plate (5) to perform front and rear stop movements at the edge of the square opening.
5. The fully motor-controlled inner folding device according to claim 2, characterized in that: The left and right folding assembly (7) includes a folding motor (62) fixed on the motor frame (2) and a left and right folding bidirectional screw (71) installed on the bearing seat (3). The folding motor (62) drives and controls the left and right folding bidirectional screw (71) to rotate through a synchronous wheel and a synchronous belt (4). The left and right folding bidirectional screw (71) is provided with a left folding nut (72) and a right folding nut (73). It also includes left and right folding guide rails (74). A folding slider (75) is provided on the right folding guide rail (74), the left folding nut (72) is connected to the folding slider (75) via a left nut connecting arm (76), the left nut connecting arm (76) is connected to a left folding connecting arm (77), and the left folding connecting arm (77) is connected to a left folding edge folding piece (78), and the left nut connecting arm (76) drives the left folding connecting arm (77) and the left folding edge folding piece (78) to be tightly attached to the guide groove of the bottom plate (5) to perform a folding action.
6. The fully motor-controlled inner folding device according to claim 5, characterized in that: The left and right folding gear assembly (9) further includes left and right folding gear guide rails (91), and the left and right folding gear guide rails (91) are also provided with a folding slider (75), and the right folding nut (73) is connected to the folding slider (75) on the left and right folding gear guide rails (91) through a right nut connecting arm (79), and the right nut connecting arm (79) is also connected to a right folding long connecting arm (791), and the right folding long connecting arm (791) is connected to a right folding pull-folding piece (792), and the right nut connecting arm (79) drives the right folding long connecting arm (791) and the right folding pull-folding piece (792) to be tightly attached to the guide groove of the bottom plate (5) to perform a folding action.
7. The fully motor-controlled inner folding device according to claim 6, characterized in that: The left and right folding gear assembly (9) further comprises left and right folding gear bidirectional screws (92), and the left and right folding gear motors are connected to the left and right folding gear bidirectional screws (92) through synchronous wheels and synchronous belts (4), driving and controlling the rotation of the left and right folding gear bidirectional screws. The left and right folding gear bidirectional screws (92) are sleeved with a left folding gear nut (93) and a right folding gear nut (94), and the left and right folding guide rails (74) and the left and right folding gear guide rails (91) are both provided with a gear slider (95), and the gear slider (95) on the left and right folding guide rails (74) is connected to the left and right folding guide rails (74). The left folding stop long connecting arm (96) is fixedly connected to the left folding stop nut (93), the shift slider is connected to the left folding stop plate, and drives the left folding stop plate (97) to connect and overlap in the guide groove above the left folding pull-folding piece (78) to perform the folding stop work, the shift slider (95) on the left and right folding stop guide rails (91) is fixedly connected to the right folding stop nut (94) through the right folding stop connecting arm (98), the shift slider is connected to the right folding stop plate, and drives the right folding stop plate (99) to connect and overlap in the guide groove above the right folding pull-folding piece to perform the folding stop work.
8. The fully motor-controlled inner folding device according to claim 1, characterized in that: A protective cover plate (52) is further provided on the bottom plate (5), and a square opening is provided in the middle of the protective cover plate (52), and the square opening corresponds to the square opening of the bottom plate (5).
9. The fully motor-controlled inner folding device according to claim 6, characterized in that: The lifting and squeezing and inserting fabric mechanism (1) is composed of a material insertion lifting connecting seat (11), a material insertion lifting cylinder (12), a slider and a guide rail (13), a material insertion lifting sliding plate (14), a material insertion two-way variable die assembly (15), left and right material insertion slide cylinders and front and rear variable die insertion plates and left and right material insertion plates. It mainly lowers the cut fabric edges to the folding mechanism through the lifting and squeezing and inserting assembly, and squeezes the fabric cut on the four sides into the folding material opening of the folding mechanism.