Pattern sewing machine auxiliary device for garment production

Abstract

The invention discloses a pattern sewing machine auxiliary device for garment production, and relates to the technical field of pattern sewing machines, the pattern sewing machine auxiliary device comprises a workbench, the workbench is fixedly provided with a slide rail rod through an electric telescopic rod, and the slide rail rod is slidably provided with a control block. Through cooperation of the first torsion spring, the shifting rod and the shifting fork, the upper die automatically rotates to avoid a machine needle track at the last sewing stage, the needle breaking risk is fundamentally eradicated, by means of a flexible pressing structure of the pressing block and the spring piece, the fixing requirements of small standard pieces with different thicknesses are met, the standard pieces are prevented from being crushed or shifted, and the production efficiency is improved. The oblique angle of the push rod triggers rigid connection with the clamping assembly, synchronous sliding of the control block and the moving piece is achieved, it is ensured that the label piece and lining cloth are accurately sewn according to a preset track, automatic operation and anti-interference protection of the clothes label nailing process are achieved, the problems of potential safety hazards caused by manual pressing of the label piece and needle breakage caused by collision of a machine needle to an upper mold are effectively solved, and the production efficiency is improved. And a turning rod is matched with a second torsional spring, so that the standard parts are prevented from sliding off during feeding, and finished products can be conveniently taken out.

Description

Technical Field

[0001] This invention relates to the field of pattern making machine technology, specifically to an auxiliary device for pattern making machines used in garment production. Background Technology

[0002] In the industrialized production process of clothing, pattern making machines are the core equipment for realizing fine processes such as sewing, labeling, and embroidery. They are widely used in the sewing and fixing of components such as woven labels, size labels, and decorative labels. Their workflow usually includes fabric positioning, stitch programming, automatic sewing, and finished product cutting. Among these processes, the labeling process is a key step in enhancing the brand recognition and added value of clothing products.

[0003] The core requirement of the labeling process is to accurately fix small-sized labels in a pre-set position on the fabric, and then use a sewing machine to achieve a firm connection between the label and the fabric. Due to the small size of the labels, early production generally used manual finger pressing for positioning. Workers would hold the label and press it against the fabric before starting to sew, which was not only labor-intensive but also posed a safety hazard of accidentally injuring their fingers with the needle. To solve these problems, a side-sliding mold was developed. This mold mainly consists of two parts: the lower mold is a label placement slot, which enables the label to be quickly pre-positioned; the upper mold is connected to the mold slide rail through a connecting rod, which can apply stable pressure to the label when pressing down, ensuring that the label does not shift during the sewing process. This effectively replaces manual pressing, improving positioning accuracy and eliminating the safety risks of manual operation.

[0004] While existing side-sliding molds have solved the pain point of manual positioning, the sewing path in the labeling process is mostly a closed loop. The needle needs to start from the edge of the label, circle the label, and return to the vicinity of the starting point to finish. The upper mold of the side-sliding mold is rigidly connected to the slide rail through the connecting rod. Its horizontal structure will cover part of the end area of ​​the sewing path. If the upper mold template is not moved along the slide rail in time when sewing is close to the starting point, the needle is very likely to collide with the upper mold connecting rod, which can lead to needle breakage, mold damage, and other malfunctions. Therefore, an auxiliary device for pattern making machines in garment production is proposed. Summary of the Invention

[0005] Therefore, the purpose of this invention is to provide an auxiliary device for pattern making machines in garment production to solve the aforementioned technical problems.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an auxiliary device for a pattern making machine in garment production, comprising a worktable, wherein a slide rail is fixedly mounted on the worktable via an electric telescopic rod, and a control block is slidably mounted on the slide rail; a cylinder rod is fixedly mounted on the top of the control block, and a push plate is fixedly mounted on the end of the cylinder rod away from the slide rail; lifting blocks are hinged to both sides of the push plate via arc-shaped rods for lifting standard templates; and an mounting plate is fixedly mounted on the end of the lifting block away from the push plate; a guiding mechanism is provided between the end of the control block and the lifting block for guiding the lifting path of the lifting block.

[0007] The mounting plate includes an upper mold, a lower mold, and a shift fork. The lower mold is fixedly mounted on the bottom of the mounting plate, and a hinge plate is fixedly mounted in the middle of the mounting plate. The end of the hinge plate is hinged to the end of the upper mold to avoid the needle. The end of the upper mold near the hinge plate is fixedly mounted with a shift fork to drive the upper mold to rotate. A shift lever is correspondingly provided above the shift fork and is fixedly mounted at the needle position of the pattern making machine to move the shift fork.

[0008] By adopting the above technical solution, a hinged plate is used to connect the upper mold and the mounting plate. With the mechanical triggering structure of the shift fork and shift lever, the upper mold can automatically avoid the needle at the end of the sewing process, eliminating the risk of needle breakage from the root and eliminating the need for manual intervention in the avoidance operation.

[0009] Furthermore, the guiding mechanism includes a slider and a groove, wherein the slider is fixedly connected to the end of the control block near the lifting block, and the groove is correspondingly opened on the side of the lifting block.

[0010] By adopting the above technical solution, the degree of freedom of movement of the lifting block can be effectively limited, ensuring that the lifting block drives the upper and lower molds to rise and fall smoothly, thus guaranteeing the load-bearing capacity and movement stability of the mechanism.

[0011] Furthermore, a push rod is slidably mounted on the bottom of the control block, and the corner of the push rod near the push plate is designed at an angle, so that when the cylinder rod pushes the push plate, the push plate pushes the push rod downward.

[0012] By adopting the above technical solution, the push rod can be driven downward by the horizontal movement of the push plate without the need for additional power components. The angled design can ensure efficient and smooth transmission of thrust, avoiding force loss or jamming.

[0013] Furthermore, the slide rail includes a first slide rail and a second slide rail, wherein the first slide rail is located at the upper end of the slide rail and the control block slides within the first slide rail under the control of a motor, the second slide rail is located at the lower end of the slide rail and a movable component is slidably installed on the inner wall of the second slide rail for moving the lining cloth to be nailed, and the control block and the movable component are connected to each other through a locking assembly.

[0014] By adopting the above technical solution, the movement trajectories of the control block and the moving part are respectively limited within the first and second slide rails, avoiding interference between their movements. There is no need to configure an additional power source for the moving part, which simplifies the structural design and reduces the manufacturing cost.

[0015] Furthermore, the engaging assembly includes an engaging part and an engaging groove. The engaging part is fixedly installed at the end of the push rod away from the lifting block, and the engaging groove is correspondingly opened at the top of the moving part near the slide rail rod. When the cylinder rod pushes the push plate, the push rod is pressed down and the engaging groove is inserted into the engaging part, which drives the moving part to slide along the slide rail rod following the control block.

[0016] By adopting the above technical solution, the engagement is triggered synchronously by the downward movement of the push rod, eliminating the need for additional drive components and control logic, thus realizing the secondary utilization of power, simplifying the transmission design of the overall device and reducing manufacturing costs.

[0017] Furthermore, the upper mold includes a pressure block and a spring sheet, wherein the pressure block is slidably mounted on the bottom of the upper mold, and the spring sheet is fixedly connected to the inner wall of the upper mold and the top of the pressure block, for generating elastic pressure on standard parts of different thicknesses.

[0018] By adopting the above technical solution, flexible clamping of the standard parts is achieved, which can adapt to standard parts of different thicknesses and avoid damage to the standard parts caused by hard contact.

[0019] Furthermore, the lower mold includes a flip rod and a second torsion spring, wherein the flip rod is rotatably installed inside the lower mold, and the second torsion spring is fixedly connected to both ends of the flip rod, so as to ensure that when the lower mold is in the loading state, the two sets of flip rods generate a supporting force on the standard part from both ends of the bottom.

[0020] By adopting the above technical solution, automatic support and positioning of standard parts during the feeding stage is realized, eliminating the need for manual additional fixing and reducing the difficulty of feeding operations. The elastic characteristics of the No. 2 torsion spring allow the flip bar to easily flip when the finished product is pulled by external force, making it easy for the standard parts to come out of the groove and solving the problem of hard standard parts getting stuck.

[0021] Furthermore, guide wheels are rotatably mounted at both ends of the push rod, and guide grooves corresponding to the guide wheels are provided on the inner wall of the control block to ensure the sliding trajectory of the push rod on the inner wall of the control block.

[0022] By adopting the above technical solution, the sliding friction of the push rod is transformed into rolling friction, which greatly reduces motion resistance and component wear, extends the service life of the device, and ensures the precise docking of the locking part and the locking groove, thereby improving the stability of the linkage between the control block and the moving part.

[0023] Furthermore, a limit block is fixedly connected to one end of the control block near the push plate, and the limit block is located below the push rod to limit the position of the push rod.

[0024] By adopting the above technical solution, the limit block has both downward limit and reset support functions. It can limit the excessive downward movement of the push rod and ensure the precise cooperation of the locking components. It can also push the push rod to reset when the lifting block moves upward, so as to realize the linkage unlocking of the control block and the moving parts.

[0025] Furthermore, a torsion spring is fixedly installed at the hinge joint between the hinge plate and the upper mold to ensure that the upper mold can automatically reset when the shift fork loses the thrust of the shift lever.

[0026] By adopting the above technical solution, the precise torque adjustment of the No. 1 torsion spring not only ensures the smoothness of the upper mold flipping, but also ensures the positional accuracy after reset, so that the upper mold can be accurately aligned with the groove of the lower mold, ensuring the positioning accuracy of the subsequent labeling process.

[0027] In summary, the present invention has the following main beneficial effects:

[0028] This invention utilizes the cooperation of a torsion spring, lever, and fork to automatically rotate the upper mold at the end of sewing to avoid the needle trajectory, thus eliminating the risk of needle breakage at the source. The flexible pressing structure of the pressure block and spring sheet adapts to the fixing needs of small labels of varying thicknesses, preventing label damage or displacement. The oblique trigger of the push rod and the rigid connection of the locking assembly enable synchronous sliding of the control block and moving parts, ensuring precise sewing of the label and lining along a preset trajectory. This achieves automated operation and anti-interference protection in the garment labeling process, effectively solving the safety hazards of manually pressing labels and the needle breakage problem caused by the needle colliding with the upper mold. Combined with the support and reset function of the flip rod and the second torsion spring, it prevents labels from slipping during loading and facilitates the removal of finished products, avoiding material jamming. The entire process cycle of loading, label pressing, sewing, avoidance, and reset can be completed with simple motor and cylinder drive, significantly reducing manual labor intensity, improving labeling production efficiency, and enhancing the stability and safety of equipment operation, adapting to the garment production needs of various sizes of small labels. Attached Figure Description

[0029] Figure 1 This is a three-dimensional structural diagram of the entire invention;

[0030] Figure 2 This is a three-dimensional structural diagram of the entire invention from another angle;

[0031] Figure 3 This is a three-dimensional structural schematic diagram of some parts of the present invention;

[0032] Figure 4 This is a cross-sectional structural diagram of the control block of the present invention;

[0033] Figure 5 This is an exploded view of the control block of the present invention;

[0034] Figure 6 This is a three-dimensional structural diagram of the moving part of the present invention;

[0035] Figure 7 This is a schematic diagram of the cross-sectional structure of the mold of the present invention;

[0036] Figure 8 This is a schematic diagram of the cross-sectional structure of the lower mold of the present invention;

[0037] Figure 9 For the present invention Figure 8 Enlarged view of point A.

[0038] In the diagram: 1. Workbench; 2. Slide rail rod; 21. First slide rail; 22. Second slide rail; 3. Control block; 301. Slider; 302. Guide groove; 31. Cylinder rod; 311. Push plate; 32. Lifting block; 321. Slide groove; 322. Limiting block; 33. Push rod; 331. Engaging part; 332. Guide wheel; 34. Mounting plate; 341. Hinge plate; 35. Upper mold; 351. Torsion spring No. 1; 352. Pressure block; 353. Spring sheet; 354. Shift fork; 36. Lower mold; 361. Flip rod; 362. Torsion spring No. 2; 4. Moving part; 401. Engaging groove; 5. Shift rod. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0040] The embodiments of the present invention will now be described.

[0041] An auxiliary device for pattern making machines used in garment production, such as Figure 1-9As shown, the device includes a worktable 1, on which a slide rail 2 is fixedly mounted via an electric telescopic rod. The electric telescopic rod, in conjunction with the slide rail 2, moves the control block 3 to adapt to the sewing path of the pattern sewing machine. The control block 3 is slidably mounted on the slide rail 2. A cylinder rod 31 is fixedly mounted on the top of the control block 3, and a push plate 311 is fixedly mounted on the end of the cylinder rod 31 away from the slide rail 2. The telescopic movement of the cylinder rod 31 drives the push plate 311 to move back and forth, providing a power source for the lifting block 32. It can also contact the push rod 33 to control the synchronous sliding of the moving part 4. The push plate 311 has lifting blocks 32 hinged on both sides by arc rods, which are used to lift the standard part template. The end of the lifting block 32 away from the push plate 311 is fixedly installed with an installation plate 34. The push plate 311 converts the linear motion into the vertical lifting motion of the lifting block 32 through the arc rod, thereby driving the installation plate 34 and the mold to lift synchronously, realizing the pressing and releasing of the standard part. A guide mechanism is provided between the end of the control block 3 and the lifting block 32 to guide the lifting path of the lifting block 32. The guide mechanism can ensure that the lifting block 32 lifts and lowers smoothly along the preset trajectory.

[0042] Mounting plate 34 includes an upper die 35, a lower die 36, and a shift fork 354. The lower die 36 is fixedly mounted on the bottom of mounting plate 34 and is used to place the standard piece, providing pre-positioning support. The upper die 35 is used to press the standard piece to prevent displacement during sewing. A hinge plate 341 is fixedly mounted in the middle of mounting plate 34. The end of the hinge plate 341 is hinged to the end of the upper die 35 to avoid the needle. The hinge plate 341 provides a pivot point for the upper die 35, allowing it to rotate around the hinge point. To prevent interference at the end of the sewing process, a fork 354 is fixedly installed at the end of the upper mold 35 near the hinge plate 341. This fork 35 is used to rotate the upper mold 35. A lever 5 is correspondingly provided above the fork 354 and is fixedly installed at the needle position of the pattern machine. This lever 5 is used to move the fork 354. When the control block 3 moves the upper mold 35 to the sewing end point, the lever 5 contacts the fork 354 and applies a lateral thrust, driving the upper mold 35 to rotate and avoid interference. After the sewing is completed, the upper mold 35 can return to its original position under the action of the reset structure.

[0043] Please see Figure 1-9The guiding mechanism includes a slider 301 and a groove 321. The slider 301 is fixedly connected to the end of the control block 3 near the lifting block 32. The slider 301 is rigidly connected to the control block 3 to ensure the connection strength to withstand the weight and impact force of the lifting block 32. The groove 321 is opened on the side of the lifting block 32 corresponding to the slider 301. The groove width of the groove 321 is precisely matched with the size of the slider 301, with a small clearance reserved to ensure smooth sliding. When the cylinder rod 31 drives the push plate 311 to move the lifting block 32 through the arc rod, the slider 301 is always embedded in the groove 321 and slides along the groove, which strictly constrains the movement direction of the lifting block 32, so that the lifting block 32 can only move vertically and avoid horizontal deviation or shaking.

[0044] Please see Figure 1-9 A push rod 33 is slidably mounted on the bottom of the control block 3. The push rod 33 slides up and down through the guide structure on the inner wall of the control block 3, ensuring that the sliding trajectory is stable and does not deviate. The corner of the push rod 33 near the push plate 311 is designed with an angle, which can efficiently convert the horizontal thrust of the push plate 311 into the vertical downward force of the push rod 33. When the cylinder rod 31 pushes the push plate 311, the push plate 311 pushes the push rod 33 downward. The cylinder rod 31 extends and drives the push plate 311 to move horizontally towards the lifting block 32. After the side of the push plate 311 contacts the angled end of the push rod 33, it continuously applies a horizontal thrust. This thrust is decomposed into a downward component along the inclined plane of the angle, driving the push rod 33 to slide vertically downward along the sliding structure at the bottom of the control block 3.

[0045] Please see Figure 1-9 The slide rail 2 includes a first slide rail 21 and a second slide rail 22. The first slide rail 21 is located at the upper end of the slide rail 2, and the control block 3 slides within the first slide rail 21 under the control of a motor. The motor provides precise power to the control block 3, enabling it to stably switch along the first slide rail 21 to the feeding station, sewing station, and origin reset. The sliding accuracy is adapted to the positioning requirements of the label. The second slide rail 22 is located at the lower end of the slide rail 2, and a movable part 4 is slidably installed on the inner wall of the second slide rail 22 to move the lining fabric to be nailed. The top of the movable part 4 is... The flat bearing surface allows for stable placement of the lining. Its sliding direction along the second slide rail 22 is consistent with that of the control block 3, ensuring that the lining and the standard move synchronously. The control block 3 and the moving part 4 are connected to each other through a locking assembly. When the push rod 33 slides down with the push plate 311, the locking assembly triggers a lock, making the control block 3 and the moving part 4 form a rigid whole. Subsequently, when the control block 3 slides along the first slide rail 21, it can synchronously drive the moving part 4 to slide along the second slide rail 22. Without other power sources, the coordinated trajectory movement of the standard and the lining can be achieved.

[0046] Please see Figure 1-9The engaging assembly includes an engaging part 331 and an engaging groove 401. The engaging part 331 is fixedly installed at the end of the push rod 33 away from the lifting block 32. The engaging part 331 adopts a boss structure design, and its size is precisely matched with the engaging groove 401. The engaging groove 401 and the engaging part 331 are correspondingly opened at the top of the moving part 4 near the slide rail rod 2. The top corner of the engaging groove 401 is provided with a guide chamfer to facilitate the smooth insertion of the engaging part 331 and at the same time ensure the coaxiality of the two after engagement. It is used for cylinder rods. When the push plate 311 is pushed, the push rod 33 is pressed down and the locking groove 401 is inserted into the locking part 331 and drives the moving part 4 to slide along the slide rail 2 along the control block 3. During the downward movement of the push rod 33, the locking part 331 moves vertically downward in sync. After the locking part 331 is fully embedded in the locking groove 401, it forms a rigid lock, so that the horizontal driving force of the control block 3 is directly transmitted to the moving part 4 through the locking assembly, ensuring that the two slide synchronously and in the same direction along their respective slide rails, and realizing the coordinated movement of the standard and the lining.

[0047] Please see Figure 1-9 The upper mold 35 includes a pressure block 352 and a spring sheet 353. The pressure block 352 is slidably installed at the bottom of the upper mold 35. The four corners of the bottom surface of the pressure block 352 are designed with bevels to ensure that when the upper mold 35 rotates, the corners of the pressure block 352 can retract smoothly when they touch the edge of the lower mold 36. The spring sheet 353 is fixedly connected to the inner wall of the upper mold 35 and the top of the pressure block 352 to generate elastic pressure on the standard parts of different thicknesses. When the bottom of the upper mold 35 contacts the standard part, the pressure block 352 slides upward under the reaction force of the standard part and compresses the spring sheet 353. The reverse elastic force generated by the spring sheet 353 acts on the pressure block 352, so that the pressure block 352 applies a stable and gentle clamping force to the standard part to prevent the standard part from shifting during the sewing process.

[0048] Please see Figure 1-9 The lower mold 36 includes a flip rod 361 and a second torsion spring 362. The flip rod 361 is rotatably mounted inside the lower mold 36. Two sets of flip rods 361 are symmetrically distributed on both sides of the bottom of the groove of the lower mold 36, supporting the standard piece placed in the groove. The second torsion spring 362 is fixedly connected to both ends of the flip rod 361. The elastic force of the second torsion spring 362 can provide sufficient support for the flip rod 361 and can easily deform under external force. This ensures that when the lower mold 36 is in the loading state, the two sets of flip rods 361 provide support from both ends of the bottom of the standard piece. After the worker puts the standard piece into the groove of the lower mold 36, the flip rod 361 remains horizontal under the action of the second torsion spring 362, lifting the standard piece from the bottom and preventing it from slipping or shifting due to gravity. This provides a pre-positioning guarantee for the precise pressing of the upper mold 35.

[0049] Please see Figure 1-9Guide wheels 332 are rotatably mounted at both ends of the push rod 33. The guide wheels 332 can effectively reduce frictional resistance and component wear during the sliding process. A guide groove 302 corresponding to the guide wheel 332 is opened on the inner wall of the control block 3. The width of the guide groove 302 is precisely matched with the outer diameter of the guide wheel 332. The groove is opened in the vertical direction to ensure the sliding trajectory of the push rod 33 on the inner wall of the control block 3. When the push rod 33 moves up and down under the push force of the push plate 311 or the top push force of the limit block 322, the guide wheel 332 is always embedded in the guide groove 302 and rolls along the groove, strictly limiting the degree of freedom of the push rod 33, so that it can only move in a straight line in the vertical direction, avoiding horizontal deviation or jamming.

[0050] Please see Figure 1-9 The control block 3 is fixedly connected to a limit block 322 at one end near the push plate 311. The limit block 322 is located below the push rod 33 and matches the downward trajectory of the push rod 33. It is used to limit the position of the push rod 33 and provide a stable force support point for the subsequent lifting block 32 to drive the push rod 33 to reset.

[0051] Please see Figure 1-9 A torsion spring 351 is fixedly installed at the hinge joint of the hinge plate 341 and the upper mold 35. The torsion spring 351 can balance the driving force required for the upper mold 35 to flip and the rebound force when it is reset. It is used to ensure that the upper mold 35 can automatically reset when the shift fork 354 loses the push force of the shift lever 5. When the shift lever 5 moves the shift fork 354 to drive the upper mold 35 to rotate around the hinge point at the end of the sewing, the torsion spring 351 is compressed and stores elastic potential energy. After the sewing is completed, the control block 3 drives the upper mold 35 away from the shift lever 5, the shift fork 354 loses the push force, the torsion spring 351 releases the elastic potential energy, and drives the upper mold 35 to flip back to the initial horizontal pressing position without manual intervention to reset.

[0052] The working principle of this invention is as follows: In the initial state, the moving part 4 and the pattern machine are both at the origin position in the computer coordinate system. The mounting plate 34 is fixedly installed at the end of the control block 3 and located on one side of the slide rail rod 2, waiting for the material to be loaded. The cylinder rod 31 is in the retracted state, which drives the lifting block 32 to maintain a high position under the constraint of the guide mechanism. The worker lays the lining cloth to be nailed on the moving part 4.

[0053] The worker then moves the upper mold 35 to one side and places the small standard part into the groove of the lower mold 36. Under the elastic force of the second torsion spring 362, the flip bar 361 on the inner side of the lower mold 36 forms a support structure from both ends of the bottom of the standard part to prevent the standard part from slipping. After the upper mold 35 is released, the upper mold 35 returns to the groove of the lower mold 36 under the elastic force of the first torsion spring 351. During this process, the corner of the pressure block 352 slides upward and retracts due to the resistance of the top surface of the lower mold 36. When the pressure block 352 reaches the groove of the lower mold 36, the spring plate 353 releases the pressure and pushes the pressure block 352 downward, pressing the standard part tightly onto the lining cloth below, thus achieving flexible pressing.

[0054] After the standard parts are installed, the operation control block 3 slides along the first slide rail 21 to the sewing station, the cylinder rod 31 starts and extends, pushing the push plate 311 to move closer to the lifting block 32. The push plate 311 drives the lifting block 32 to slide down along the guide mechanism's slide groove 321 through the arc rod, and the mounting plate 34 moves down synchronously with the lifting block 32.

[0055] While the cylinder rod 31 pushes the push plate 311, the bottom corner of the push plate 311 contacts the angled end of the push rod 33, applying a downward thrust. The push rod 33 slides downward under the thrust. The guide wheel 332 moves along the guide groove 302 to limit the sliding trajectory of the push rod 33 and ensure the smooth sliding of the push rod 33. As the push rod 33 moves down, the locking part 331 at its end is inserted into the locking groove 401 of the moving part 4. At this time, the control block 3 and the moving part 4 are rigidly connected through the locking assembly. Subsequently, the moving part 4 will follow the control block 3 and slide synchronously along the slide rail rod 2. During the downward movement of the push rod 33, the limiting block 322 of the lifting block 32 is always below the push rod 33, preparing for the subsequent lifting block 32 to rise and drive the push rod 33 to reset.

[0056] When the lifting block 32 drives the lower mold 36 to descend and applies appropriate pressure to the lining on the moving part 4, the surrounding sewing starts. The control block 3 slides along the first slide rail 21 under the drive of the motor, and at the same time, the moving part 4 slides synchronously along the second slide rail 22 through the locking component, causing the standard and the lining to move along the preset trajectory. The pattern machine needle aligns with the edge of the standard and begins the surrounding sewing.

[0057] As the sewing nears its end, the fork 354 at the end of the upper die 35 contacts the lever 5. As the control block 3 continues to slide, the lever 5 applies a lateral pushing force to the fork 354. This pushing force causes the upper die 35 to rotate around the hinge point of the hinge plate 341, while simultaneously compressing the first torsion spring 351. The upper die 35 rotates along the hinge point, completely disengaging from the sewing trajectory of the needle, thus preventing the needle from colliding with the connecting rod of the upper die 35 and eliminating the risk of needle breakage. As the upper die 35 avoids this collision, the needle successfully completes the final stitch of the encircling sewing, and the label and lining are firmly connected.

[0058] After sewing is completed, the motor control block 3 returns to the origin along the first slide rail 21, the cylinder rod 31 starts to retract, driving the push plate 311 to reset away from the lifting block 32. The downward pressure of the push plate 311 on the angled end of the push rod 33 disappears. At this time, the lifting block 32 slides upward along the guide mechanism under the pull of the push plate 311. The limit block 322 at the bottom of the lifting block 32 moves upward, contacts the bottom end of the push rod 33 and applies an upward pushing force. Under the pushing of the limit block 322 and the sliding constraint of the guide wheel 332 along the guide groove 302, the push rod 33 resets and slides upward. The engaging part 331 completely exits from the engaging groove 401. The control block 3 and the moving part 4 are released from rigid connection and return to independent sliding state.

[0059] As the lifting block 32 continues to rise, the mounting plate 34 drives the upper mold 35 and the lower mold 36 to lift simultaneously. When the worker takes out the sewn lining and the label, he can slightly pull the lining to make the flip rod 361 flip downward, making it easier for the label to come out of the groove and avoiding the situation where hard labels get stuck. After the label is taken out, the second torsion spring 362 will drive the flip rod 361 to return to the supporting state.

[0060] Subsequently, the motor will drive the control block 3 to slide to one side of the worktable 1 again and enter the feeding state. The upper mold 35 will return to the position above the groove of the lower mold 36 through the elastic action of the first torsion spring 351, waiting for the next round of material replenishment and labeling operation cycle.

[0061] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An auxiliary device for a pattern-making machine in garment production, comprising a workbench (1), characterized in that: The workbench (1) is fixedly installed with a slide rail rod (2) via an electric telescopic rod, and a control block (3) is slidably installed on the slide rail rod (2). A cylinder rod (31) is fixedly installed on the top of the control block (3), and a push plate (311) is fixedly installed at the end of the cylinder rod (31) away from the slide rail rod (2). Lifting blocks (32) are hinged on both sides of the push plate (311) via arc rods for lifting the standard template. An installation plate (34) is fixedly installed at the end of the lifting block (32) away from the push plate (311). A guide mechanism is provided between the end of the control block (3) and the lifting block (32) for guiding the lifting path of the lifting block (32). The mounting plate (34) includes an upper mold (35), a lower mold (36), and a shift fork (354). The lower mold (36) is fixedly installed at the bottom of the mounting plate (34), and a hinge plate (341) is fixedly installed in the middle of the mounting plate (34). The end of the hinge plate (341) is hinged to the end of the upper mold (35) to avoid the needle. The end of the upper mold (35) near the hinge plate (341) is fixedly installed with a shift fork (354) to drive the upper mold (35) to rotate. A shift lever (5) is correspondingly provided above the shift fork (354), and the shift lever (5) is fixedly installed at the needle position of the pattern machine to move the shift fork (354).

2. The auxiliary device for a pattern making machine in garment production according to claim 1, characterized in that: The guiding mechanism includes a slider (301) and a groove (321), wherein the slider (301) is fixedly connected to the end of the control block (3) near the lifting block (32), and the groove (321) is opened on the side of the lifting block (32) corresponding to the slider (301).

3. The auxiliary device for a pattern-making machine in garment production according to claim 1, characterized in that: The control block (3) has a push rod (33) slidably mounted on its bottom. The end of the push rod (33) near the push plate (311) is designed with an angled corner. When the cylinder rod (31) pushes the push plate (311), the push plate (311) pushes the push rod (33) downward.

4. The auxiliary device for a pattern making machine in garment production according to claim 1, characterized in that: The slide rail rod (2) includes a first slide rail (21) and a second slide rail (22). The first slide rail (21) is located at the upper end of the slide rail rod (2), and the control block (3) slides within the first slide rail (21) under the control of a motor. The second slide rail (22) is located at the lower end of the slide rail rod (2), and a moving part (4) is slidably installed on the inner wall of the second slide rail (22) for moving the lining cloth to be nailed. The control block (3) and the moving part (4) are connected to each other through a locking assembly.

5. The auxiliary device for a pattern-making machine in garment production according to claim 4, characterized in that: The engaging assembly includes an engaging part (331) and an engaging groove (401). The engaging part (331) is fixedly installed at the end of the push rod (33) away from the lifting block (32), and the engaging groove (401) is correspondingly opened at the top of the moving part (4) near the slide rail rod (2). When the cylinder rod (31) pushes the push plate (311), the push rod (33) is pressed down, and the engaging groove (401) is inserted into the engaging part (331) and drives the moving part (4) to slide along the slide rail rod (2) following the control block (3).

6. The auxiliary device for a pattern-making machine in garment production according to claim 1, characterized in that: The upper mold (35) includes a pressure block (352) and a spring plate (353), wherein the pressure block (352) is slidably installed at the bottom of the upper mold (35), and the spring plate (353) is fixedly connected to the inner wall of the upper mold (35) and the top of the pressure block (352) to generate elastic pressure on standard parts of different thicknesses.

7. The auxiliary device for a pattern making machine in garment production according to claim 1, characterized in that: The lower mold (36) includes a flip rod (361) and a second torsion spring (362). The flip rod (361) is rotatably installed inside the lower mold (36), and the second torsion spring (362) is fixedly connected to both ends of the flip rod (361) to ensure that when the lower mold (36) is in the loading state, the two sets of flip rods (361) generate a supporting force on the standard part from both ends of the bottom.

8. The auxiliary device for a pattern-making machine in garment production according to claim 3, characterized in that: The push rod (33) has guide wheels (332) rotatably mounted at both ends, and a guide groove (302) corresponding to the guide wheel (332) is provided on the inner wall of the control block (3) to ensure the sliding trajectory of the push rod (33) on the inner wall of the control block (3).

9. An auxiliary device for a pattern-making machine in garment production according to claim 3, characterized in that: The control block (3) is fixedly connected to a limit block (322) at one end near the push plate (311), and the limit block (322) is located below the push rod (33) to limit the position of the push rod (33).

10. An auxiliary device for a pattern-making machine in garment production according to claim 1, characterized in that: A torsion spring (351) is fixedly installed at the hinge joint of the hinge plate (341) and the upper mold (35) to ensure that the upper mold (35) can automatically reset when the fork (354) loses the thrust of the lever (5).

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