Bottom lock type back wrapping sewing machine

By designing a bottom-locked back sewing machine with components such as feeding platform, sewing machine, and compression mechanism, the existing sewing machine has solved the problems of complex structure, cumbersome operation and poor adaptability, and achieved flexible adjustment and precise compression of different papers, improving production efficiency and product quality, and extending the service life of the equipment.

CN222538557UActive Publication Date: 2025-02-28HUBEI BLUEPRINT CO LTD
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202421402202.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-02-28
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing backpack sewing machines have problems such as complex structure, cumbersome operation and poor adaptability. Especially when dealing with paper of different thicknesses and sizes, the pressing force and seam accuracy of the equipment are difficult to ensure, resulting in uneven product quality.

Method used

A bottom lock-back sewing machine is designed, including a feeding platform, a suture machine, a thread tangent, a compression mechanism, a back strip compaction wheel, a back strip conveyor, a glue groove and an adjustable limiting assembly. Through the synergy of these components, flexible adjustment and precise compression of different papers are achieved to ensure the accuracy of the seam and product quality.

Benefits of technology

The bottom lock-back sewing machine is simple in structure and convenient in operation. It can be flexibly adjusted according to the thickness and size of different papers, ensuring the accuracy of the seam and product quality, improving production efficiency, and extending the service life of the equipment through the design of dust cover.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000000_0000_ABST
    Figure 00000000_0000_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of paper bottom locking type sewing equipment, in particular to a bottom locking type back wrapping sewing machine which comprises a feeding platform, a sewing machine and a thread feeding and cutting machine are installed on the feeding platform, a pressing mechanism is installed at one end of the feeding platform, a back strip compacting wheel is installed in the middle of the pressing mechanism, and a back strip is arranged on the back strip compacting wheel. A back strip conveying wheel and a gluing groove are arranged on the lower portion of the pressing mechanism, an adjustable limiting assembly is installed at one end of the back strip pressing wheel, and a stacking platform is installed below the adjustable limiting assembly. The bottom lock type back wrapping sewing machine is simple in structure and convenient to operate, the production process is smoother, manual intervention is reduced, the downtime is shortened, and therefore the overall production efficiency is improved. The equipment has excellent adaptability and can be flexibly adjusted according to the thicknesses and sizes of different pieces of paper, accurate pressing force control is achieved through the pressing mechanism, and the sewing precision and the product quality are ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of paper bottom-lock sewing equipment, in particular to a bottom-lock back-wrapping sewing machine. Background Art

[0002] In the paper processing, printing and binding industries, there are strict requirements for the back binding of books, notebooks and other products. Traditional back binding processes rely on manual operations, which is not only inefficient but also difficult to ensure quality. With the development of technology, automated and semi-automated back binding sewing equipment has gradually emerged, which has improved production efficiency and product quality to a certain extent.

[0003] However, existing back-stitching sewing machines often have problems such as complex structure, cumbersome operation, and poor adaptability. Especially when processing paper of different thicknesses and sizes, the equipment's pressing force and stitching accuracy are often difficult to guarantee, resulting in uneven product quality. In addition, traditional back-stitching sewing machines also have deficiencies in dust and debris prevention, which can easily affect the sewing quality and the service life of the equipment. Utility Model Content

[0004] The utility model aims to provide a bottom-lock back sewing machine to solve the problems of complex structure, cumbersome operation and poor adaptability of the existing back sewing machines mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides a bottom-lock back-wrapping sewing machine, including a feeding platform, on which a sewing machine and an upper thread cutting machine are installed, a clamping mechanism is installed at one end of the feeding platform, a back-strip compacting wheel is installed in the middle of the clamping mechanism, a back-strip conveying wheel and a gluing groove are arranged at the lower part of the clamping mechanism, an adjustable limit assembly is installed at one end of the back-strip compacting wheel, and a stacking platform is installed below the adjustable limit assembly.

[0006] As a preferred solution of the utility model, a dust cover is installed on the pressing mechanism.

[0007] As a preferred solution of the utility model, a glue applying wheel is arranged inside the glue applying groove.

[0008] As a preferred embodiment of the utility model, the clamping mechanism includes several pressing plates, a threaded rod is installed in the middle of the pressing plate, a pressure strip is installed in the lower part of the pressing plate, a plurality of holes are opened on the surface of the pressure strip, balls are installed in the holes, there are two pressure strips and they are arranged in parallel, and the two ends of the pressing plate are connected and fixed by a connecting plate.

[0009] As a preferred solution of the utility model, a fixing rod is arranged above the pressure plate, both ends of the fixing rod are fixed on the equipment bracket, a threaded hole is arranged in the middle of the fixing rod, the threaded rod is threadedly connected to the threaded hole, a threaded hole is arranged in the middle of the pressure plate, the bottom end of the threaded rod is threadedly connected to the threaded hole of the pressure plate, and nuts are installed on the threaded rod at the upper part of the pressure plate and the fixing rod.

[0010] As a preferred solution of the utility model, the adjustable limit assembly includes two symmetrically arranged baffles, a vertical rod is installed on the top of the baffle, a moving rod is installed on the top of the vertical rod, a cross rod is arranged above the baffle, both ends of the cross rod are fixed to the top of the stacking platform, a hole is opened on the moving rod, the cross rod passes through the hole and slides with the moving rod.

[0011] The utility model also provides a bottom-lock back-stitching process, which is used in a bottom-lock back-stitching sewing machine and comprises the following steps:

[0012] S1, material loading preparation: the material is placed on the loading platform, ready for subsequent sewing and processing operations;

[0013] S2, suture processing: suture the material through the suture machine, which is a key step in the sewing process to ensure the quality and accuracy of the suture;

[0014] S3, Thread cutting: After the sewing is completed, the thread cutting machine will automatically cut off the thread ends, making the product more beautiful and improving production efficiency;

[0015] S4, compaction and gluing: the material passes through the compaction mechanism, including the back strip compaction wheel and the back strip conveying wheel, to ensure that the material is compacted flatly and tightly. During compaction, the back strip is glued through the gluing groove and the internal gluing wheel, and then the glued back strip is compacted on the material through the back strip compaction wheel to realize the installation of the backpack back strip;

[0016] S5. Adjustable limit and stacking: The adjustable limit assembly ensures the accurate positioning of the materials after sewing to prevent deviation or misalignment. The sewn products are neatly stacked on the stacking platform to facilitate subsequent packaging and transportation.

[0017] S6. Quality inspection and packaging: After completing all sewing processes, the products will undergo strict quality inspection to ensure that each product meets quality standards. Qualified products will be properly packaged to protect the safety and integrity of the products during transportation and storage.

[0018] As a preferred solution of the utility model, when the material is conveyed through the clamping mechanism and the back strip is installed, the dust cover is installed on the clamping mechanism, which effectively prevents dust and debris from adhering to the glue of the material, thereby ensuring the sewing quality and the service life of the machine.

[0019] As a preferred solution of the utility model, when materials are stacked, the width of the left and right limits of the materials can be adjusted by an adjustable limit assembly to achieve the limit for different materials.

[0020] As a preferred solution of the utility model, during material transportation, the material is pressed and adjusted by the pressing mechanism to achieve pressing and fixing of paper of different thicknesses.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. The bottom-lock back sewing machine and back sewing process have simple structure and convenient operation, which makes the production process smoother, reduces manual intervention and downtime, and thus improves the overall production efficiency.

[0023] 2. In the bottom-lock back-stitching sewing machine and back-stitching process, the equipment has excellent adaptability and can be flexibly adjusted according to the thickness and size of different papers. The clamping mechanism can achieve precise clamping force control to ensure stitching accuracy and product quality.

[0024] 3. In the bottom-lock back-stitching sewing machine and back-stitching process, the design of the dust cover effectively prevents dust and debris from affecting the sewing process, ensures the sewing quality and prolongs the service life of the equipment. In summary, the utility model has shown significant technical effects in improving production efficiency, ensuring product quality, enhancing equipment adaptability and prolonging equipment life. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the pressing mechanism in the utility model;

[0027] Figure 3 It is a structural schematic diagram of the adjustable limit assembly in the utility model.

[0028] The meaning of each number in the figure is:

[0029] 1. Loading platform; 2. Sewing machine; 3. Upper thread cutting machine; 4. Clamping mechanism; 41. Pressing plate; 42. Threaded rod; 43. Fixed rod; 44. Connecting plate; 45. Pressing strip; 451. Ball bearing; 5. Dust cover; 6. Back strip compacting wheel; 7. Adjustable limit assembly; 71. Baffle; 72. Vertical rod; 73. Moving rod; 74. Cross bar; 8. Stacking platform; 9. Back strip conveying wheel; 10. Gluing trough; 101. Gluing wheel. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model provides a bottom-lock back-stitching sewing machine. Figure 1-Figure 3 As shown, it includes a feeding platform 1, on which a sewing machine 2 and an upper thread cutting machine 3 are installed, a clamping mechanism 4 is installed at one end of the feeding platform 1, a back strip compacting wheel 6 is installed in the middle of the clamping mechanism 4, a back strip conveying wheel 9 and a gluing groove 10 are arranged at the lower part of the clamping mechanism 4, an adjustable limit assembly 7 is installed at one end of the back strip compacting wheel 6, and a stacking platform 8 is installed below the adjustable limit assembly 7. The feeding platform 1, as the starting point of the entire sewing process, provides a stable and convenient placement area for the material, ensuring the smooth progress of subsequent sewing and processing operations. Secondly, the integrated design of the sewing machine 2 and the upper thread cutting machine 3 enables the two key steps of sewing and cutting to be closely connected, reducing the operation links and improving production efficiency. Furthermore, the synergistic effect of the clamping mechanism 4, the back strip compacting wheel 6, the back strip conveying wheel 9 and the gluing groove 10 ensures that the material is compacted flatly and tightly during the sewing process, and realizes the gluing and compaction of the back strip, thereby greatly improving the product quality and firmness. Finally, the combination of the adjustable limit assembly 7 and the stacking platform 8 not only ensures the accurate positioning of the material after sewing to prevent displacement or misalignment, but also enables the product to be neatly stacked for subsequent packaging and transportation. Overall, the technical design described in this paragraph has demonstrated significant technical effects in terms of improving production efficiency, ensuring product quality, and optimizing production processes.

[0032] In this embodiment, a dust cover 5 is installed on the pressing mechanism 4, which has a good dust-proof effect.

[0033] Specifically, a gluing wheel 101 is disposed inside the gluing tank 10 to facilitate the gluing operation.

[0034] Furthermore, the clamping mechanism 4 includes a plurality of pressure plates 41, a threaded rod 42 is installed in the middle of the pressure plate 41, a pressure strip 45 is installed in the lower part of the pressure plate 41, a plurality of holes are opened on the surface of the pressure strip 45, and balls 451 are installed in the holes. There are two pressure strips 45 and they are arranged in parallel. The two ends of the pressure plate 41 are connected and fixed by a connecting plate 44.

[0035] Furthermore, a fixing rod 43 is provided above the pressure plate 41, and both ends of the fixing rod 43 are fixed on the equipment bracket. A threaded hole is provided in the middle of the fixing rod 43, and the threaded rod 42 is threadedly connected to the threaded hole. A threaded hole is provided in the middle of the pressure plate 41, and the bottom end of the threaded rod 42 is threadedly connected to the threaded hole of the pressure plate 41. Nuts are installed on the threaded rod 42 at the upper part of the pressure plate 41 and the fixing rod 43.

[0036] Furthermore, the adjustable limit assembly 7 includes two symmetrically arranged baffles 71, a vertical rod 72 is installed on the top of the baffle 71, a moving rod 73 is installed on the top of the vertical rod 72, a cross rod 74 is arranged above the baffle 71, both ends of the cross rod 74 are fixed to the top of the stacking platform 8, and a hole is opened on the moving rod 73, and the cross rod 74 passes through the hole and slides with the moving rod 73.

[0037] The utility model also provides a bottom-lock back-stitching process, which is used in a bottom-lock back-stitching sewing machine and comprises the following steps:

[0038] S1, material loading preparation: the material is placed on the loading platform 1, ready for subsequent sewing and processing operations;

[0039] S2, suture processing: the material is sutured by the suture machine 2, which is a key step in the sewing process to ensure the quality and accuracy of the suture;

[0040] S3, thread cutting: after the sewing is completed, the thread cutting machine 3 will automatically cut off the thread ends, making the product more beautiful and improving production efficiency;

[0041] S4, compacting and gluing: the material passes through the compacting mechanism 4, which includes the back strip compacting wheel 6 and the back strip conveying wheel 9, to ensure that the material is compacted flatly and tightly. While compacting, the back strip is gluing through the gluing groove 10 and the internal gluing wheel 101, so that the glued back strip is compacted on the material through the back strip compacting wheel 6 to realize the installation of the backpack back strip;

[0042] S5. Adjustable limit and stacking: The adjustable limit assembly 7 ensures the accurate positioning of the materials after sewing to prevent deviation or misalignment. The sewn products are neatly stacked on the stacking platform 8 to facilitate subsequent packaging and transportation.

[0043] S6. Quality inspection and packaging: After completing all sewing processes, the products will undergo strict quality inspection to ensure that each product meets quality standards. Qualified products will be properly packaged to protect the safety and integrity of the products during transportation and storage.

[0044] Furthermore, when the material is conveyed through the clamping mechanism 4 and the back strip is installed, the dust cover 5 is installed on the clamping mechanism 4 to effectively prevent dust and debris from adhering to the glue of the material, thereby ensuring the sewing quality and the service life of the machine.

[0045] Furthermore, when materials are stacked, the width of the left and right limits of the materials can be adjusted by the adjustable limit assembly 7 to achieve the limit for different materials.

[0046] Furthermore, during material transportation, the material is pressed and adjusted by the pressing mechanism 4 to achieve pressing and fixing of paper of different thicknesses.

[0047] In this embodiment, from material preparation to quality inspection and packaging, each step is carefully designed to ensure the smooth progress of the entire sewing process and greatly improve production efficiency. Secondly, the automation of suture processing and tangent processing not only improves the accuracy of operation, but also reduces manual intervention, making the product quality more stable and reliable. Furthermore, the synergistic effect of the pressing and gluing steps ensures that the material is flat and compacted while achieving efficient installation of the back strip, further enhancing the durability and aesthetics of the product. In addition, the design of adjustable limit and stacking steps enables the product to be accurately positioned and neatly stacked, providing great convenience for subsequent packaging and transportation. Finally, by adding a dust cover 5 throughout the process, the influence of dust and debris on the sewing quality is effectively prevented, and the service life of the machine is extended. Overall, this process has shown significant technical effects in improving efficiency, ensuring quality, enhancing product aesthetics and durability, and can adapt to the needs of different materials, with high flexibility and practicality.

[0048] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bottom-lock back sewing machine, comprising a loading platform (1), characterized in that: The feeding platform (1) is provided with a sewing machine (2) and a thread cutting machine (3); a pressing mechanism (4) is provided at one end of the feeding platform (1); a back strip compacting wheel (6) is provided at the middle of the pressing mechanism (4); a back strip conveying wheel (9) and a gluing groove (10) are provided at the lower part of the pressing mechanism (4); an adjustable limit assembly (7) is provided at one end of the back strip compacting wheel (6); and a stacking platform (8) is provided below the adjustable limit assembly (7).

2. The bottom-lock back sewing machine according to claim 1, characterized in that: A dust cover (5) is installed on the pressing mechanism (4).

3. The bottom-lock back sewing machine according to claim 1, characterized in that: A glue applying wheel (101) is arranged inside the glue applying groove (10).

4. The bottom-lock back sewing machine according to claim 1, characterized in that: The clamping mechanism (4) comprises a plurality of pressing plates (41), a threaded rod (42) is installed in the middle of the pressing plate (41), a pressing strip (45) is installed in the lower part of the pressing plate (41), a plurality of holes are opened on the surface of the pressing strip (45), and balls (451) are installed in the holes. The number of the pressing strips (45) is two and they are arranged in parallel. The two ends of the pressing plate (41) are connected and fixed by a connecting plate (44).

5. The bottom-lock back sewing machine according to claim 4, characterized in that: A fixing rod (43) is arranged above the pressing plate (41), and both ends of the fixing rod (43) are fixed on the equipment bracket. A threaded hole is arranged in the middle of the fixing rod (43), and the threaded rod (42) is threadedly connected to the threaded hole. A threaded hole is arranged in the middle of the pressing plate (41), and the bottom end of the threaded rod (42) is threadedly connected to the threaded hole of the pressing plate (41). Nuts are installed on the threaded rod (42) at the upper parts of the pressing plate (41) and the fixing rod (43).

6. The bottom-lock back sewing machine according to claim 1, characterized in that: The adjustable limit assembly (7) comprises two symmetrically arranged baffles (71), a vertical rod (72) is installed on the top of the baffle (71), a moving rod (73) is installed on the top of the vertical rod (72), a cross rod (74) is arranged above the baffle (71), both ends of the cross rod (74) are fixed to the top of the stacking platform (8), a hole is opened on the moving rod (73), the cross rod (74) passes through the hole and is slidably matched with the moving rod (73).

Citation Information

Cited By

  • Bottom lock type back wrapping sewing machine and back wrapping sewing process

    CN118494049A