Sewing machine for shoemaking

Abstract

The utility model discloses a sewing machine for shoemaking, and relates to the technical field of shoemaking machinery. The sewing machine comprises the workbench, the workbench serves as a basic support, the fixing clamp mechanism can stably clamp shoe materials of different shapes and thicknesses through a unique jaw structure of the fixing clamp mechanism, displacement and damage of the shoe materials are prevented, the electric sewing needle on the needle core stand column is driven by the motor and related transmission parts to achieve precise sewing operation, and the sewing efficiency is improved. The cleaning conveyor belt is driven by a main driving gear and is specially designed to clean and transport sewing waste, a bent stand column assists in guiding the waste to the conveyor belt, an interceptor and a brush prevent the waste from scattering and enable the waste to enter a storage box, and an elastic rope and a damping ball effectively reduce operation vibration of the sewing machine. According to the utility model, the problems of poor stability, single function and difficulty in waste treatment of the shoemaking sewing machine are effectively solved, the production efficiency and the product quality are remarkably improved, the defective rate is reduced, and efficient and reliable equipment guarantee is provided for shoemaking production.

Description

TECHNICAL FIELD

[0001] The utility model relates to shoemaking machinery technical field, concretely is a sewing machine for shoemaking. BACKGROUND

[0002] Under the tide of the vigorous development of modern manufacturing industry, the shoemaking industry as a traditional labor-intensive industry is facing unprecedented changes and challenges, and the demand of consumers for footwear products shows the trend of diversification, individualization and high quality, and the precision and efficiency of the process directly determine the quality and production cycle of the product as the key link in the shoemaking process.

[0003] Although the existing sewing machine for shoemaking realizes mechanical operation to some extent, there are still many deficiencies, and the stability of part of the sewing machine is poor in the running process, lacks effective damping device, and is easy to be affected by the machine vibration and affect the sewing precision, resulting in deviation of shoe material sewing. In the aspect of shoe material fixing, the traditional fixing method is relatively simple, and it is difficult to adapt to shoe materials of different shapes and thicknesses, and the shoe materials are often fixed firmly or damaged, in addition, for the waste produced in the sewing process, such as thread end, leather scrap, etc., most of the sewing machines do not have perfect cleaning and collecting mechanism, and these wastes are easy to accumulate in the working area, which may interfere with the normal operation of the sewing machine, and the above problems are solved by the sewing machine for shoemaking. UTILITY MODEL CONTENTS

[0004] In order to solve the problems of poor stability, single function and difficult waste treatment of shoemaking sewing machine, the utility model aims at providing a sewing machine for shoemaking.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a sewing machine for shoemaking, comprising a workbench, a fixing clamp mechanism is further installed on the workbench, the fixing clamp mechanism comprises a fixing frame, a jaw seat is installed on the fixing frame, a jaw seat is connected with the side wall of the jaw seat in a matched mode, a semicircular sliding groove is arranged on the inner side of the jaw seat, a first jaw is connected with the front end of the jaw seat in a sliding mode, a second jaw is connected with the front end of the first jaw in a sliding mode, a third jaw is connected with the front end of the second jaw in a sliding mode, the first jaw, the second jaw and the third jaw are all semicircular, a threaded rod is connected with the side wall of the fixing frame in a threaded mode, the threaded rod is connected with the jaw seat in a rotating mode, and a rocker is fixedly connected with the outer side of the threaded rod.

[0006] Preferably, a needle core stand is installed on the workbench, an electric sewing needle is fixedly installed on the lower side of the cantilever of the needle core stand, a motor frame is fixedly installed on the side wall of the needle core stand, an electric motor is fixedly installed on the lower surface of the motor frame, and a main drive gear is connected with the output shaft of the electric motor.

[0007] Preferably, the upper surface of the workbench is provided with an annular groove, a cleaning conveyor belt is slidably connected to the annular groove, and a transmission inner tooth is formed in the inner side of the cleaning conveyor belt and engaged with the main drive gear.

[0008] Preferably, the upper surface of the workbench is fixedly provided with a bent column, the bottom of the bent column is located in the interior of the cleaning conveyor belt, and the upper portion of the bent column is bent to above the cleaning conveyor belt.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] 1、The multifunctional fixing clamp mechanism is arranged, different shapes and thicknesses of shoe materials can be stably clamped, displacement and damage of the shoe materials in the sewing process are avoided, the smooth operation of the sewing operation is effectively ensured, the production efficiency is improved, and the application range of the equipment is also expanded.

[0011] 2、The efficient waste treatment system is arranged, the thread ends, leather scraps and other wastes generated in the sewing process can be cleaned and collected in time through the cooperation of the inclined surface and the interceptor, the working environment is kept clean, the interference of the wastes on the equipment operation is reduced, and the overall production efficiency is further improved.

[0012] 3、The elastic damping structure is arranged, the vibration of the sewing machine during operation is effectively reduced, the sewing precision is greatly improved, the accuracy and stability of the shoe material sewing are ensured, the product quality is significantly improved, and the defective rate caused by the precision problem is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0014] Figure 1 It is a front side structure schematic view of the utility model.

[0015] Figure 2 It is a right side structure schematic view of the utility model.

[0016] Figure 3 It is a fixing clamp mechanism structure enlarged schematic view of the utility model.

[0017] Figure 4 It is a cleaning conveyor belt structure enlarged schematic view of the utility model.

[0018] In the diagram: 1. Workbench; 11. Elastic rope; 111. Shock-absorbing ball; 12. Storage box; 121. Interceptor; 122. Brush; 13. Annular groove; 2. Needle core column; 21. Electric sewing needle; 22. Motor frame; 221. Motor; 222. Main drive gear; 3. Fixing clamp mechanism; 31. Fixing frame; 32. Jaw seat; 33. First jaw; 34. Second jaw; 35. Third jaw; 36. Rocker arm; 361. Threaded rod; 4. Bent column; 5. Cleaning conveyor belt; 51. Inclined surface; 52. Conveyor internal gear. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example: Figures 1-4 As shown, this utility model provides a sewing machine for shoemaking, including a workbench 1, on which a fixed clamping mechanism 3 is installed. The fixed clamping mechanism 3 includes a fixed frame 31, on which a clamping jaw seat 32 is installed. The side wall of the clamping jaw seat 32 is fitted with a clamping jaw seat 32. A semi-circular sliding groove is provided on the inner side of the clamping jaw seat 32. A first clamping jaw 33 is slidably connected to the front end of the clamping jaw seat 32. A second clamping jaw 34 is slidably connected to the front end of the first clamping jaw 33. A third clamping jaw 35 is slidably connected to the front end of the second clamping jaw 34. The first clamping jaw 33, the second clamping jaw 34 and the third clamping jaw 35 are all semi-circular. A threaded rod 361 is threadedly connected to the side wall of the fixed frame 31. The threaded rod 361 is rotatably connected to the clamping jaw seat 32. A rocker arm 36 is fixedly connected to the outer side of the threaded rod 361.

[0021] By adopting the above technical solution, the fixing frame 31 provides a stable support foundation for the entire mechanism, ensuring its firm installation on the workbench 1. The semi-circular sliding groove on the jaw seat 32 and the sliding connection between each jaw allow the first jaw 33, the second jaw 34, and the third jaw 35 to move flexibly relative to each other. The semi-circular first jaw 33 can first contact the shoe material and conform to its shape. Then, according to the specific curvature and size of the shoe material, the second jaw 34 can slide and adjust its position at the front end of the first jaw 33 to further clamp the shoe material. Similarly, the third jaw 35 can also make precise position adjustments at the front end of the second jaw 34, thereby achieving a tight fixation of the shoe material in all directions, effectively preventing the shoe material from shifting or loosening during the sewing process, and ensuring the accuracy and quality of the sewing.

[0022] The workbench 1 is provided with a needle core stand 2, the lower side of the cantilever of the top of the needle core stand 2 is fixedly provided with an electric sewing needle 21, the side wall of the needle core stand 2 is fixedly provided with a motor rack 22, the lower surface of the motor rack 22 is fixedly provided with a motor 221, and the output shaft of the motor 221 is connected with a main drive gear 222.

[0023] By adopting the above technical scheme, the needle core stand 2 provides stable support and accurate positioning for the electric sewing needle 21, and the main drive gear 222 connected with the output shaft of the motor 221 serves as a key component for power transmission, effectively transmitting the power of the motor to the cleaning conveyor belt 5.

[0024] The upper surface of the workbench 1 is provided with an annular groove 13, the annular groove 13 is slidably connected with the cleaning conveyor belt 5, the inner side of the cleaning conveyor belt 5 is provided with a transmission internal gear 52, and the transmission internal gear 52 is engaged with the main drive gear 222.

[0025] By adopting the above technical scheme, the annular groove 13 on the workbench 1 provides a stable installation and sliding path for the cleaning conveyor belt 5, ensuring that the cleaning conveyor belt 5 can maintain a stable running state during operation, and the transmission internal gear 52 on the inner side of the cleaning conveyor belt 5 is engaged with the main drive gear 222, which ingeniously utilizes the power output of the motor 221, so that the cleaning conveyor belt 5 can automatically operate under the drive of the main drive gear 222. During the shoe sewing process, the cleaning conveyor belt 5 can timely clean and transport the thread ends, debris and other waste generated in the working area, effectively maintaining the cleanliness of the workbench surface.

[0026] The upper surface of the workbench 1 is fixedly provided with a bent column 4, the bottom of the bent column 4 is located inside the cleaning conveyor belt 5, and the upper part of the bent column 4 is bent above the cleaning conveyor belt 5.

[0027] By adopting the above technical scheme, the upper part of the bent column 4 is bent above the cleaning conveyor belt 5, and when thread ends and debris are generated during sewing operation, these sundries can fall smoothly onto the cleaning conveyor belt 5, avoiding the accumulation of sundries on the workbench surface to affect the sewing work, and ensuring the cleanliness of the working area.

[0028] The lower surface of the workbench 1 is fixedly provided with an elastic rope 11, the material of the elastic rope 11 is high-strength rubber, and the lower end of the elastic rope 11 is fixedly provided with a shock-absorbing ball 111.

[0029] By adopting the above technical scheme, the elastic rope 11 made of high-strength rubber has excellent elasticity and toughness, and when vibration occurs during the operation of the sewing machine, the elastic rope 11 can effectively buffer and absorb vibration energy by virtue of its elastic properties, and the shock-absorbing ball 111 further enhances the shock-absorbing effect.

[0030] The workbench 1 is provided below with a cleaning conveyor belt 5, and the upper surface of the cleaning conveyor belt 5 is provided with an outwardly inclined slope surface 51, and the material of the slope surface 51 is nitrile rubber.

[0031] The rear end of the workbench 1 is fixedly provided with an interceptor 121, which extends above the slope surface 51, and the interceptor 121 is fixedly provided below with a brush 122, which is in contact with the slope surface 51.

[0032] By adopting the above technical scheme, the outwardly inclined slope surface 51 provides the cleaning conveyor belt 5 with a convenient waste collection function. Since the slope surface 51 is inclined, the thread ends, leather scraps and other waste generated during the operation of the sewing machine can be intercepted and removed by the brush 122. The nitrile rubber is selected as the material of the slope surface 51, and the surface characteristics can help better absorb and gather the waste, preventing the waste from scattering everywhere during the sliding process.

[0033] The rear side of the workbench 1 is fixedly provided with a storage box 12, and the opening of the storage box 12 is connected with the interceptor 121.

[0034] By adopting the above technical scheme, during the operation of the sewing machine, the thread ends, scraps and other waste successfully intercepted by the interceptor 121 can directly enter the inside of the storage box 12 through the connecting channel thereof, and the worker does not need to frequently clean the waste, but only needs to clean the storage box 12 after a certain period of time, thereby greatly improving the work efficiency.

[0035] Working principle: the utility model discloses in use, first, shoe material is placed on the workbench 1, utilizes fixed forceps mechanism 3 and fixes, and the fixed frame 31 of fixed forceps mechanism 3 supports the jaw seat 32, through the sliding connection of the inside semicircular slide groove of jaw seat 32 and first jaw 33, second jaw 34 and third jaw 35, according to the flexible adjustment of shoe material shape and thickness, realizes close clamping to each jaw position, ensures that shoe material is stable when sewing and does not displace;Motor 221 is installed on motor bracket 22, and motor bracket 22 is fixed on needle core stand 2 side wall and guarantees the stable operation of motor 221, and the output shaft of motor 221 drives main drive gear 222 to rotate after starting, and main drive gear 222 is engaged with the transmission inner tooth 52 of cleaning conveyor belt 5, so that cleaning conveyor belt 5 slides on the annular groove 13 of workbench 1, and the thread, leather scrap and other waste materials generated by sewing fall on cleaning conveyor belt 5, and the outwardly inclined slope surface 51 (butyronitrile rubber material) on cleaning conveyor belt 5 utilizes the inclination angle and material characteristics to make the waste materials slide to the conveyor belt under the action of gravity and be adsorbed and gathered to prevent scattering, which is convenient for cleaning;The interceptor 121 at the rear end of workbench 1 extends above the slope surface 51 and intercepts the waste materials that may slide, and the brush 122 below contacts the slope surface 51 to clean the slope surface 51 when the conveyor belt is running, so as to ensure that the waste materials slide, the interceptor 121 is connected with the rear storage box 12, so that the intercepted waste materials enter the inside of storage box 12 through the connecting channel, avoid the accumulation of waste materials on the workbench surface and reduce the interference of equipment operation, and the worker can clean the storage box 12 in time;The elastic rope 11 (high-strength rubber material) on the lower surface of workbench 1 and the lower end shock-absorbing ball 111 buffer and absorb vibration energy when the sewing machine is running and vibrating, the shock-absorbing ball 111 disperses and resolves the remaining vibration wave, reduces the vibration amplitude of workbench 1, ensures the sewing precision and equipment stability, and guarantees that the shoemaking and sewing work is carried out efficiently and accurately.

[0036] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the utility model claims and their equivalents, the utility model also intends to include these modifications and variations.

Claims

1. A shoe sewing machine comprising a worktable (1), characterized in that: The workbench (1) is also provided with a fixed clamp mechanism (3), the fixed clamp mechanism (3) comprises a fixed frame (31), the fixed frame (31) is provided with a jaw seat (32), the side wall of the jaw seat (32) is connected with a jaw seat, the inner side of the jaw seat is provided with a semicircular sliding groove, the front end of the jaw seat (32) is connected with a first jaw (33), the front end of the first jaw (33) is connected with a second jaw (34), the front end of the second jaw (34) is connected with a third jaw (35), the first jaw (33), the second jaw (34) and the third jaw (35) are semicircular, the side wall of the fixed frame (31) is connected with a threaded rod (361), the threaded rod (361) is connected with the jaw seat (32), the outer side of the threaded rod (361) is fixedly connected with a rocker (36).

2. The shoe sewing machine according to claim 1, wherein The workbench (1) is provided with a needle core column (2), the cantilever lower side of the needle core column (2) top is fixedly provided with an electric sewing needle (21), the side wall of the needle core column (2) is fixedly provided with a motor frame (22), the lower surface of the motor frame (22) is fixedly provided with a motor (221), the output shaft of the motor (221) is connected with a main drive gear (222).

3. The shoe sewing machine according to claim 2, wherein The upper surface of the workbench (1) is provided with an annular groove (13), the annular groove (13) is connected with a cleaning conveyor belt (5), the inner side of the cleaning conveyor belt (5) is provided with a transmission inner tooth (52), the transmission inner tooth (52) is engaged with the main drive gear (222).

4. The shoe sewing machine according to claim 1, wherein The upper surface of the workbench (1) is fixedly provided with a bent column (4), the bottom of the bent column (4) is located in the inside of the cleaning conveyor belt (5), and the upper part of the bent column (4) is bent to the upper side of the cleaning conveyor belt (5).

5. The shoe sewing machine according to claim 1, wherein The lower surface of the workbench (1) is fixedly provided with an elastic rope (11), the material of the elastic rope (11) is high-strength rubber, and the lower end of the elastic rope (11) is fixedly provided with a shock-absorbing ball (111).

6. The shoe sewing machine according to claim 3, wherein The upper surface of the cleaning conveyor belt (5) is provided with an outwardly inclined slope surface (51), the material of the slope surface (51) is nitrile rubber.

7. A shoe sewing machine as claimed in claim 6, wherein, The rear end of the workbench (1) is fixedly provided with an interceptor (121), the interceptor (121) extends to the upper side of the slope surface (51), the lower end of the interceptor (121) is fixedly provided with a brush (122), and the brush (122) is in contact with the slope surface (51).

8. The shoe sewing machine according to claim 7, wherein The rear side of the workbench (1) is fixedly provided with a storage box (12), and the opening of the storage box (12) is connected with the interceptor (121).

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