A feed mechanism for a gasket stamping apparatus

Abstract

The utility model provides a kind of feeding mechanism for gasket stamping equipment, including operation mesa, sliding table structure, sliding drive mechanism, two flexible clamping mechanisms, two fixed plates and two guide structures;Two fixed plates are symmetrically arranged in the front and rear end of operation mesa;Sliding table structure is slidably matched with the upper end surface of operation mesa by two guide structures;Sliding drive mechanism is arranged in the lower end surface of operation mesa, and the output end of sliding drive mechanism is connected with sliding table structure;Two flexible clamping mechanisms are symmetrically arranged on sliding table structure, and flexible clamping mechanism is used to realize material edge position clamping or release.The feeding mechanism for gasket stamping equipment of the utility model solves the problem that the dynamic compensation function of material thickness fluctuation and vibration is lacked in the clamping mechanism in the related art, resulting in local stress concentration during high-speed feeding process, which causes thin plate material plastic deformation or surface indentation.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, and in particular relates to a feeding mechanism for a gasket stamping equipment. Background Technology

[0002] Gasket stamping equipment is a highly automated specialized pressure machine. Its function is to utilize stamping pressure, in conjunction with precisely designed progressive dies or multi-station dies, to continuously and efficiently complete punching and blanking processes on metal coils or sheets, thereby rapidly and in large quantities producing metal gaskets with precise dimensions and consistent shapes. This equipment typically consists of key components such as a precision punch press, an automated feeding mechanism, a precision die system, a scrap cutting and collection device, and a control system. The feeding mechanism is the key core subsystem for achieving continuous automated production in gasket stamping equipment. Its function is to stably, accurately, and intermittently transport metal coils or strips from the uncoiling device (such as a material rack) to the die's working area according to the set step distance and cycle time—that is, the precise length of material to be fed in each stamping cycle. Because the clamping mechanisms in related technologies lack dynamic compensation functions for material thickness fluctuations and vibrations, local stress concentration during high-speed feeding leads to problems such as plastic deformation or surface indentation of thin sheet materials, as well as cumulative deviations due to instantaneous separation of the contact surface. Utility Model Content

[0003] In view of this, the present invention aims to at least partially solve one of the related technical problems.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A feeding mechanism for a gasket stamping equipment includes an operating table, a slide structure, a sliding drive mechanism, two flexible clamping mechanisms, two fixing plates, and two guide structures.

[0006] The two fixing plates are symmetrically arranged at the front and rear ends of the operating table surface;

[0007] The slide structure is slidably engaged with the upper surface of the operating table through two guide structures;

[0008] The sliding drive mechanism is disposed on the lower end surface of the operating table, and the output end of the sliding drive mechanism is connected to the sliding table structure;

[0009] Two flexible clamping mechanisms are symmetrically arranged on the slide structure. The flexible clamping mechanisms are used to clamp or release the material at the edge position.

[0010] Furthermore, the flexible clamping mechanism includes a drive cylinder, a mounting plate, a transmission mechanism, and a flexible clamping mechanism. The drive cylinder is fixed to the side of the slide structure via the mounting plate. The output end of the drive cylinder is connected to the transmission mechanism. The transmission mechanism is used to drive the flexible clamping mechanism to clamp or release the material at the edge position.

[0011] Furthermore, the transmission mechanism includes a push block, a swing plate, and a hinge structure. The output end of the drive cylinder is connected to the push block. The upper part of the end of the swing plate is hinged to a pre-set through slot in the push block. The bottom of the end of the swing plate is connected to the hinge structure. The hinge structure is located at the end of the slide structure.

[0012] Furthermore, the flexible clamping mechanism includes a first clamping plate, a second clamping plate, a material pressure plate, an anti-slip pad, and multiple elastic components. The first clamping plate is disposed at the end of the swing plate away from the push block. The first clamping plate is connected to the second clamping plate through multiple elastic components. The second clamping plate is detachably connected to the material pressure plate. The anti-slip pad is disposed on the lower end face of the material pressure plate.

[0013] Furthermore, the slide structure is a slide base, and the upper surface of the slide base is provided with a groove that allows materials to pass through.

[0014] Furthermore, the sliding drive mechanism includes a servo motor, a moving plate, a lead screw, a vertical plate, and a sliding sleeve. The vertical plate is disposed at one end of the lower end face of the operating table. A stroke hole is provided in the middle of the operating table. The moving plate is slidably disposed in the stroke hole. The upper end face of the moving plate is connected to the middle of the lower end face of the slide base. The moving plate cooperates with the lead screw through the sliding sleeve. The sliding sleeve is threadedly engaged with the lead screw. The output end of the servo motor is connected to the end of the lead screw. The end of the lead screw away from the servo motor is rotatably engaged with the vertical plate.

[0015] Furthermore, there are two guide structures, which are symmetrically arranged on both sides of the stroke hole. Each guide structure includes a guide rail and a movable slider. The movable slider is connected to the end of the slide base, and the guide rail slides in slidable engagement with the movable slider. The guide rail is located on the upper surface of the operating table.

[0016] Furthermore, the elastic component includes a slide rod, a limiting block, and two springs. The slide rod passes through the first clamping plate and is threadedly connected to the second clamping plate. The limiting block is disposed on the top of the slide rod. Both springs are disposed on the slide rod. One spring is located between the limiting block and the first clamping plate, and the other spring is located between the first clamping plate and the second clamping plate.

[0017] Compared with the prior art, the feeding mechanism for gasket stamping equipment described in this utility model has the following advantages:

[0018] 1. The sliding drive mechanism converts the rotational motion of the ball screw driven by the servo motor into the linear feed of the slide base; in conjunction with the symmetrically arranged guide rails and the dual guiding system of the moving slider, it effectively eliminates transmission backlash and resists lateral load torque, ensuring that the slide always maintains a high degree of parallelism with the feeding axis during high-speed reciprocating motion. Thus, it can still achieve step accuracy without cumulative error under long-term high-frequency operation, completely solving the positioning drift and insufficient rigidity problems of traditional chain or pneumatic drives.

[0019] 2. The flexible clamping mechanism adopts a transmission structure with a cylinder-driven swing plate and push block hinge. Combined with a floating pressure adaptive system composed of multiple spring groups between the first and second clamping plates, the material pressure plate can compensate for the material thickness tolerance and surface unevenness through the multi-directional deformation of the elastic element at the moment of contact with the material. At the same time, the anti-slip pad achieves uniform friction contact under elastic preload, which not only avoids plastic deformation of thin plates caused by local overpressure, but also dynamically maintains the full-area contact of the clamping surface under high-speed inertial load. It fundamentally overcomes the indentation defects and vibration loosening risks caused by stress concentration of rigid claws. Attached Figure Description

[0020] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0021] Figure 1 This is a schematic diagram of a feeding mechanism for a gasket stamping equipment according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the transmission mechanism described in an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the flexible clamping mechanism described in an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the sliding drive mechanism described in an embodiment of the present invention.

[0025] Explanation of reference numerals in the attached figures:

[0026] 100. Operating table; 110. Fixed plate; 200. Guide rail; 210. Moving slider; 300. Slide structure; 310. Swing plate; 320. Push block; 330. Hinge structure; 400. Drive cylinder; 410. Mounting plate; 500. Transmission mechanism; 600. Flexible clamping mechanism; 610. First clamping plate; 620. Second clamping plate; 630. Elastic component; 700. Material pressure plate; 810. Lead screw; 820. Moving plate; 830. Sliding sleeve; 840. Vertical plate. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0028] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] A feeding mechanism for a gasket stamping equipment, such as Figure 1As shown, it includes an operating table 100, a slide structure 300, a sliding drive mechanism, two flexible clamping mechanisms 600, two fixing plates 110, and two guide structures; the two fixing plates 110 are symmetrically arranged at the front and rear ends of the operating table 100; the slide structure 300 slides in contact with the upper end surface of the operating table 100 through the two guide structures; the sliding drive mechanism is arranged on the lower end surface of the operating table 100, and the output end of the sliding drive mechanism is connected to the slide structure 300;

[0032] Two flexible clamping mechanisms 600 are symmetrically arranged on the slide structure 300. The flexible clamping mechanisms 600 are used to clamp or release the material at the edge position. The flexible clamping mechanism 600 includes a drive cylinder 400, a mounting plate 410, a transmission mechanism 500, and a flexible clamping mechanism. The drive cylinder 400 is fixed to the side of the slide structure 300 through the mounting plate 410. The output end of the drive cylinder 400 is connected to the transmission mechanism 500. The transmission mechanism 500 is used to drive the flexible clamping mechanism to clamp or release the material at the edge position.

[0033] The slide structure 300 is a slide base, and a chute for material to pass through is provided in the middle of the upper end surface of the slide base. There are two guide structures, which are symmetrically arranged on both sides of the stroke hole. The guide structure includes a guide rail 200 and a movable slider 210. The movable slider 210 is connected to the end of the slide base, and the guide rail 200 and the movable slider 210 are slidably engaged. The guide rail 200 is set on the upper end surface of the operating table 100.

[0034] The transmission mechanism 500 includes a push block 320, a swing plate 310, and a hinge structure 330. The output end of the drive cylinder 400 is connected to the push block 320. The upper part of the end of the swing plate 310 is hinged to a pre-set through slot of the push block 320. The bottom part of the end of the swing plate 310 is connected to the hinge structure 330. The hinge structure 330 is located at the end of the slide structure 300.

[0035] The flexible clamping mechanism includes a first clamping plate 610, a second clamping plate 620, a material pressure plate 700, an anti-slip pad, and multiple elastic components 630. The first clamping plate 610 is located at the end of the swing plate 310 away from the push block 320. The first clamping plate 610 is connected to the second clamping plate 620 through multiple elastic components 630. The second clamping plate 620 is detachably connected to the material pressure plate 700. The anti-slip pad is located on the lower end face of the material pressure plate 700. Each elastic component 630 includes a sliding rod, a limiting block, and two springs. The sliding rod passes through the first clamping plate 610 and is threadedly connected to the second clamping plate 620. The limiting block is located at the top of the sliding rod. Both springs are located on the sliding rod; one spring is located between the limiting block and the first clamping plate 610, and the other spring is located between the first clamping plate 610 and the second clamping plate. The flexible clamping mechanism 600 adopts a transmission structure in which the cylinder drives the swing plate 310 and the push block 320 are hinged. Combined with the floating pressure adaptive system composed of multiple spring groups between the first clamping plate 610 and the second clamping plate 620, the material pressure plate 700 can compensate for the material thickness tolerance and surface unevenness through the multi-directional deformation of the elastic element at the moment of contact with the material. At the same time, the anti-slip pad achieves uniform frictional contact under the elastic pre-tightening force, which not only avoids plastic deformation of the thin plate due to local overpressure, but also dynamically maintains the full-area contact of the clamping surface under high-speed inertial load. It fundamentally overcomes the indentation defects and vibration loosening risks caused by stress concentration of rigid claws.

[0036] The sliding drive mechanism includes a servo motor, a moving plate 820, a lead screw 810, a vertical plate 840, and a sliding sleeve 830. The vertical plate 840 is located at one end of the lower end face of the operating table 100. A stroke hole is provided in the middle of the operating table 100. The moving plate 820 is slidably disposed in the stroke hole. The upper end face of the moving plate 820 is connected to the middle of the lower end face of the slide base. The moving plate 820 is engaged with the lead screw 810 through the sliding sleeve 830. The sliding sleeve 830 is threadedly engaged with the lead screw 810. The output end of the servo motor is connected to the end of the lead screw 810. The end of the lead screw 810 away from the servo motor is rotatably engaged with the vertical plate 840. The sliding drive mechanism converts the rotational motion of the ball screw 810 driven by the servo motor into the linear feed of the slide base. With the dual guiding system of the symmetrically arranged guide rails 200 and the moving slider 210, the transmission gap is effectively eliminated and the lateral load torque is resisted. This ensures that the slide maintains a high degree of parallelism with the feeding axis during high-speed reciprocating motion, so that the step accuracy without cumulative error can still be achieved under long-term high-frequency operation. This completely solves the positioning drift and insufficient rigidity problems of traditional chain or pneumatic drives.

[0037] How this example works

[0038] Step 1: The operator guides the metal coil into the slide groove of the slide base, starts the drive cylinder 400 to push the push block 320 forward, and drives the swing plate 310 to press down around the hinge structure 330 through the through groove hinge, so that the second clamping plate 620 of the flexible clamping mechanism drives the anti-slip pad to contact the material surface; at this time, the multi-layer spring group is compressed and deformed by the initial pressure, and the material pressure plate 700 adapts to the material thickness fluctuation to achieve full-range adhesion, forming a low-pressure pre-clamping state, avoiding rigid impact that causes deformation of the thin plate.

[0039] Step 2: The servo motor drives the ball screw 810 to rotate, and the rotational motion is converted into the linear displacement of the moving plate 820 through the sliding sleeve 830; the symmetrically arranged guide rails 200-moving slider 210 system constrains the slide base to translate without deviation along the feeding axis, and the screw 810 transmission ensures that the slide moves the clamped material precisely by the set step distance. The double rigid support of the guide structure effectively counteracts the inertial off-center load and realizes micron-level closed-loop positioning control.

[0040] Step 3: During high-speed feeding, the material's inertial force attempts to induce relative sliding of the clamping surfaces; at this time, the spring assembly dynamically compresses / stretches according to the load change, and continuously applies adaptive positive pressure to the anti-slip pad through the axial floating of the slide rod, which not only prevents the material from being damaged by pressure overload, but also ensures that the frictional biting force is always greater than the material slippage threshold under vibration environment, providing a stable material positioning reference for the stamping die.

[0041] Step 4: After the stamping process is completed, the drive cylinder 400 retracts and pulls the push block 320 backward, and the swing plate 310 rises to release the pressure on the flexible clamping mechanism; the spring group resets and pushes the second clamping plate 620 to separate from the material, while the servo motor rotates in the opposite direction to drive the lead screw 810, so that the slide base accurately returns to the initial position along the guide rail 200, ready to execute the next feeding cycle, without mechanical interference throughout the process.

[0042] Step 5: When residual oil on the material surface causes a decrease in the friction of the anti-slip pad, the elastic component 630 increases the compression in real time to improve the contact pressure and compensate for the clamping force; a pressure sensor is installed on the clamping surface of the material pressure plate 700. If the pressure sensor detects a clamping failure, the control system immediately interrupts the feeding and triggers the sliding drive mechanism to retract urgently to prevent the mold from colliding with the misaligned material.

[0043] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A feeding mechanism for a gasket stamping equipment, characterized in that: It includes an operating table (100), a slide structure (300), a sliding drive mechanism, two flexible clamping mechanisms (600), two fixed plates (110), and two guide structures; The two fixing plates (110) are symmetrically arranged at the front and rear ends of the operating table (100); The slide structure (300) is slidably engaged with the upper end surface of the operating table (100) through two guide structures; The sliding drive mechanism is disposed on the lower end surface of the operating table (100), and the output end of the sliding drive mechanism is connected to the sliding table structure (300); Two flexible clamping mechanisms (600) are symmetrically arranged on the slide structure (300), and the flexible clamping mechanisms (600) are used to clamp or release the material at the edge position.

2. The feeding mechanism for a gasket stamping equipment according to claim 1, characterized in that: The flexible clamping mechanism (600) includes a drive cylinder (400), a mounting plate (410), a transmission mechanism (500), and a flexible clamping mechanism. The drive cylinder (400) is fixed to the side of the slide structure (300) via the mounting plate (410). The output end of the drive cylinder (400) is connected to the transmission mechanism (500). The transmission mechanism (500) is used to drive the flexible clamping mechanism to clamp or release the material at the edge position.

3. The feeding mechanism for a gasket stamping equipment according to claim 2, characterized in that: The transmission mechanism (500) includes a push block (320), a swing plate (310), and a hinge structure (330). The output end of the drive cylinder (400) is connected to the push block (320). The upper part of the end of the swing plate (310) is hinged to a pre-set through slot of the push block (320). The bottom part of the end of the swing plate (310) is connected to the hinge structure (330). The hinge structure (330) is located at the end of the slide structure (300).

4. The feeding mechanism for a gasket stamping equipment according to claim 3, characterized in that: The flexible clamping mechanism includes a first clamping plate (610), a second clamping plate (620), a material pressure plate (700), an anti-slip pad, and a plurality of elastic components (630). The first clamping plate (610) is disposed at the end of the swing plate (310) away from the push block (320). The first clamping plate (610) is connected to the second clamping plate (620) through the plurality of elastic components (630). The second clamping plate (620) is detachably connected to the material pressure plate (700). The anti-slip pad is disposed on the lower end face of the material pressure plate (700).

5. A feeding mechanism for a gasket stamping equipment according to any one of claims 1-4, characterized in that: The slide structure (300) is a slide base, and the upper end face of the slide base is provided with a groove that allows materials to pass through.

6. The feeding mechanism for a gasket stamping equipment according to claim 5, characterized in that: The sliding drive mechanism includes a servo motor, a moving plate (820), a lead screw (810), a vertical plate (840), and a sliding sleeve (830). The vertical plate (840) is disposed at one end of the lower end face of the operating table (100). The operating table (100) has a stroke hole in the middle. The moving plate (820) is slidably disposed in the stroke hole. The upper end face of the moving plate (820) is connected to the middle of the lower end face of the slide base. The moving plate (820) cooperates with the lead screw (810) through the sliding sleeve (830). The sliding sleeve (830) is threadedly engaged with the lead screw (810). The output end of the servo motor is connected to the end of the lead screw (810). The end of the lead screw (810) away from the servo motor is rotatably engaged with the vertical plate (840).

7. A feeding mechanism for a gasket stamping equipment according to claim 6, characterized in that: The number of guide structures is two, and the two guide structures are symmetrically arranged on both sides of the stroke hole. The guide structure includes a guide slide rail (200) and a movable slider (210). The movable slider (210) is connected to the end of the slide base. The guide slide rail (200) and the movable slider (210) are slidably engaged. The guide slide rail (200) is arranged on the upper end surface of the operating table (100).

8. A feeding mechanism for a gasket stamping equipment according to claim 4, characterized in that: The elastic component (630) includes a slide rod, a limiting block, and two springs. The slide rod passes through the first clamping plate (610) and is threadedly connected to the second clamping plate (620). The limiting block is disposed on the top of the slide rod. Both springs are disposed on the slide rod. One spring is located between the limiting block and the first clamping plate (610), and the other spring is located between the first clamping plate (610) and the second clamping plate.

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