Presser foot structure for processing magic tapes

Abstract

The utility model discloses a presser foot structure for processing Velcro, which comprises a base, a pressing mechanism is arranged on the base, the pressing mechanism comprises a support frame, a bottom die, a mounting cylinder, a motor, a screw rod, a transmission block, a pressing rod and a pressing plate, and a pressure control mechanism is arranged between the output end of the motor and the screw rod. The pressure control mechanism comprises a connecting rod, a connecting sleeve, sliding rods, a clamping block, a clamping groove, a pressing block, a limiting sleeve, a pressure spring, a pressure applying sleeve and an abutting plate, the connecting rod is installed at the output end of the motor, the connecting sleeve is installed at the top end of the screw rod, and the sliding rods are arranged on the outer wall of the connecting sleeve in a sliding mode. Pressing force is accurately controlled through the positioning function of the clamping groove and pressure transmission of the pressing block in cooperation with pressure adjustment of the pressure spring arranged in the limiting sleeve and the pressure applying sleeve. And meanwhile, through the fillet design and the reset function of the return spring, automatic separation and reliable reset when the pressure exceeds the limit are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to magic tape production and processing technical field, more specifically, it relates to a presser foot structure for processing magic tape. BACKGROUND

[0002] In the magic tape production and processing process, the timeliness and accuracy of pressure control are directly related to product quality, and the current processing equipment often lacks effective pressure monitoring and rapid response mechanism in the pressing process, and when the pressure exceeds the product bearing range, it cannot stop or return in time, which can easily cause the magic tape to deform or damage, and this lagging pressure control method not only increases the product rejection rate, but also cannot guarantee the consistency of batch production.

[0003] In actual production operation, the magic tape needs to be taken out in time after processing for the next round of production, and the traditional equipment mostly adopts manual taking of materials, which not only consumes time and effort, but also easily damages the product due to improper operation, and at the same time, due to the existence of certain adsorption force between the magic tape and the processing mold, direct taking out can easily cause product deformation or surface damage, affecting product quality and reducing production efficiency. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a presser foot structure for processing magic tape to solve the technical problems of lacking effective pressure monitoring and rapid response mechanism mentioned in the background art, and when the pressure exceeds the product bearing range, it cannot stop or return in time.

[0006] (II) Technical scheme

[0007] To achieve the above object, the utility model provides following technical scheme: A kind of presser foot structure for processing magic tape, including base, the base is provided with compression mechanism, the compression mechanism includes support frame, bottom die, installation cylinder, motor, screw rod, transmission block, pressure rod and pressure plate, support frame is installed on base, bottom die is connected on support frame, installation cylinder is installed at support frame top end, motor is installed at installation cylinder top end, screw rod rotates in installation cylinder, transmission block is threadedly connected on the outer wall of screw rod, pressure rod is provided with multiple groups and is respectively connected with installation cylinder sliding, pressure plate is installed at the bottom end of multiple pressure rods, the control pressure mechanism is arranged between the motor output and screw rod, the control pressure mechanism includes connecting rod, connecting sleeve, slide rod, clamping block, clamping groove, pressing block, limit sleeve, set pressure spring, pressure sleeve and abutment plate, connecting rod is installed at motor output, connecting sleeve is installed at screw rod top end, slide rod is provided with multiple groups and is slid on the outer wall of connecting sleeve, clamping block is provided with multiple groups and is respectively installed at the bottom end of multiple slide rods, clamping groove is provided with multiple groups and is distributed on the outer wall of connecting rod, pressing block is provided with multiple groups and is respectively connected at the top end of multiple slide rods, limit sleeve is provided with two groups and is installed at the outer side of connecting sleeve, set pressure spring is provided with multiple groups and is respectively installed at the inner side of two limit sleeves, pressure sleeve is provided with two groups and is slid on the outer side of connecting sleeve and is abutted at both ends of multiple pressing blocks, abutment plate is installed at the bottom end of multiple set pressure springs and is abutted on the top surface of pressure sleeve.

[0008] The utility model further sets up, multiple the inner side of clamping block and the outer side of clamping groove are provided with round angle, and the top surface of multiple clamping block and the inner wall of connecting sleeve are connected with return spring. The round angle design of clamping block and clamping groove realizes smooth separation, and return spring ensures that clamping block can be automatically reset and reengaged with clamping groove.

[0009] The utility model further sets up, multiple slide rods are all provided as polygon and are respectively connected with connecting sleeve sliding. The polygon design of slide rod and connecting sleeve form directional sliding fit, to prevent slide rod from rotating during movement.

[0010] The utility model further sets up, and both ends of multiple pressing blocks are provided as arc surface and are abutted with pressure sleeve. The arc surface design of both ends of pressing block makes the contact between it and pressure sleeve more smooth, reduces abrasion and improves operation reliability.

[0011] The utility model further sets up, and multiple abutment plates are all installed with limit rod, and multiple limit rods are respectively connected with two limit sleeves sliding. The sliding fit of limit rod and limit sleeve ensures that abutment plate maintains stable movement track during pressure transmission.

[0012] The utility model further sets up, and the outer wall of connecting sleeve is provided with sliding slot, and the inner side of two pressure sleeves is all installed with sliding block, and the sliding slot and sliding block are all provided with multiple and are connected with sliding. The sliding fit of sliding slot and sliding block provides stable guide for pressure sleeve, to ensure the accuracy of its movement.

[0013] The utility model further sets up, top material mechanism is established on the base, top material mechanism includes slide, sliding plate, push rod, top block, connecting rod and handle, two groups of fixed in base are arranged to slide, sliding plate is connected to two groups of slide, push rod is fixed on the sliding plate, top block slides in the bottom die and is connected with push rod, connecting rod is provided with two groups of rotating connection sliding plate both sides with base, handle is rotatably connected to two groups of connecting rod top.

[0014] The utility model further sets up, push rod bottom and support frame between connection are equipped with reset spring. Through the elastic action of reset spring, ensure that push rod can return to the initial position automatically after completing the top material action.

[0015] (Three) beneficial effect

[0016] Compared with the prior art, the utility model provides a presser foot structure for processing magic tape has the following beneficial effects:

[0017] 1, through setting up pressure mechanism on the base, adopt the stable support of support frame and bottom die, cooperate the transmission mode of installing cylinder motor drive screw, through the sliding design of transmission block drive multiple pressure rod, realize the accurate pressure of magic tape of pressure plate. This kind of structure design not only ensures the stability of pressure process, also solves the problem of inaccurate pressure control in traditional device.

[0018] 2, through setting up control pressure mechanism, utilize the transmission cooperation between connecting rod and connecting sleeve, combine the directional sliding of sliding rod and clamping block, through the positioning function of clamping groove and the pressure transmission of pressure block, cooperate the pressure spring in limiting sleeve and the pressure adjustment of pressure sleeve, realize the accurate control of pressure. Simultaneously through the reset function of round angle design and return spring, ensure the automatic disengagement and reliable reset when pressure overrun, effectively solve the problem of inconvenient pressure control in prior art.

[0019] 3, through setting up top material mechanism on the base, adopt the sliding cooperation of slide and sliding plate, through the lifting design of push rod drive top block, combine the linkage mechanism of connecting rod and handle, realize the convenient removal of magic tape after processing. Cooperate the automatic reset function of reset spring, not only improve the work efficiency, also avoid the product damage that manual material removal can cause, solve the problem of inconvenient material removal in traditional device. DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of a kind of presser foot structure for processing magic tape in the utility model;

[0021] Figure 2It is the sectional view structural schematic diagram of the installation cylinder in the utility model;

[0022] Figure 3 It is the structural schematic diagram of the control pressure mechanism in the utility model;

[0023] Figure 4 It is the sectional view structural schematic diagram of the control pressure mechanism in the utility model;

[0024] Figure 5 It is the sectional view structural schematic diagram of the ejection mechanism in the utility model.

[0025] In the drawing: 1, base; 2, support frame; 3, bottom die; 4, installation cylinder; 5, motor; 6, screw rod; 7, transmission block; 8, pressure rod; 9, pressure plate; 10, connecting rod; 11, connecting sleeve; 12, sliding rod; 13, clamping block; 14, clamping groove; 15, pressing block; 16, limiting sleeve; 17, setting pressure spring; 18, pressure applying sleeve; 19, abutting plate; 20, return spring; 21, limiting rod; 22, sliding groove; 23, sliding block; 24, sliding seat; 25, sliding plate; 26, push rod; 27, ejection block; 28, connecting rod; 29, handle; 30, return spring. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as that generally understood by ordinary skilled in the art to which the present application belongs.

[0028] In the present application, unless otherwise specified, the directions such as "up, down" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity directions; similarly, for the convenience of understanding and description, "left, right" are generally directed to the left and right shown in the drawings; "inner, outer" refer to the inner and outer relative to the contour of each component itself, but the above direction words are not used to limit the present application.

[0029] Please refer to Figures 1-5The utility model provides a presser foot structure for processing magic tape, including base 1, be provided with pressure mechanism on base 1, and pressure mechanism includes support frame 2, bottom die 3, installation cylinder 4, motor 5, screw 6, transmission block 7, pressure rod 8 and pressure plate 9, support frame 2 is installed on base 1, bottom die 3 is connected on support frame 2, installation cylinder 4 is installed at support frame 2 top end, motor 5 is installed at installation cylinder 4 top end, screw 6 rotates in installation cylinder 4, transmission block 7 is screw connected on the outer wall of screw 6, pressure rod 8 is provided with multiple groups and is connected with installation cylinder 4 sliding respectively, pressure plate 9 is installed at the bottom end of multiple groups of pressure rod 8, and the output end of motor 5 is provided with pressure control mechanism with screw 6, and pressure control mechanism includes connecting rod 10, connecting sleeve 11, slide rod 12, clamping block 13, clamping groove 14, pressure block 15, limit sleeve 16, set pressure spring 17, pressure sleeve 18 and abutment plate 19, connecting rod 10 is installed at the output end of motor 5, connecting sleeve 11 is installed at the top end of screw 6, slide rod 12 is provided with multiple groups and is sliding on the outer wall of connecting sleeve 11, clamping block 13 is provided with multiple groups and is installed at the bottom end of multiple groups of slide rod 12 respectively, clamping groove 14 is provided with multiple groups and is distributed on the outer wall of connecting rod 10, pressure block 15 is provided with multiple groups and is connected at the top end of multiple groups of slide rod 12 respectively, limit sleeve 16 is provided with two groups and is installed on the outer side of connecting sleeve 11, set pressure spring 17 is provided with multiple groups and is installed on the inner side of two groups of limit sleeve 16 respectively, pressure sleeve 18 is provided with two groups and is sliding on the outer side of connecting sleeve 11 and is abutted at both ends of multiple groups of pressure block 15, and abutment plate 19 is installed at the bottom end of multiple groups of set pressure spring 17 and is abutted on the top surface of pressure sleeve 18.

[0030] The inner side of multiple clamping blocks 13 and the outer side of multiple clamping grooves 14 are provided with round corners, and return springs 20 are connected between the top surface of multiple clamping blocks 13 and the inner wall of connecting sleeve 11. When the pressure exceeds the set value, the clamping block 13 can smoothly separate from the clamping groove 14 through the round corner design, and the return spring 20 can pull the clamping block 13 back to the original position after the pressure is restored.

[0031] Multiple slide rods 12 are provided in polygonal shape and are slidingly connected with the connecting sleeve 11. The polygonal structure of the slide rod 12 cooperates with the connecting sleeve 11 to prevent the slide rod 12 from rotating during sliding, ensuring the stability of the movement.

[0032] Both ends of multiple pressure blocks 15 are provided in arc surface and are abutted with the pressure sleeve 18. The arc surface design of both ends of the pressure block 15 can form a progressive pressure transmission when in contact with the pressure sleeve 18, reducing impact and prolonging service life.

[0033] Multiple limit rods 21 are installed on multiple abutment plates 19, and multiple limit rods 21 are slidingly connected with the two limit sleeves 16. The sliding of the limit rod 21 in the limit sleeve 16 provides guidance for the abutment plate 19, preventing it from deviating during pressure transmission.

[0034] The outer wall of the connecting sleeve 11 is provided with a sliding groove 22, and the inner side of each of the two sets of pressing sleeves 18 is provided with a sliding block 23. The sliding groove 22 and the sliding block 23 are provided with multiple sets of sliding connections. The principle is to ensure that the pressing sleeve 18 maintains a stable movement track during movement through the sliding cooperation of the sliding block 23 in the sliding groove 22.

[0035] In this embodiment, the motor 5 drives the screw rod 6 to rotate, and drives the transmission block 7 to move up and down through threaded transmission. The transmission block 7 drives multiple sets of pressure rods 8 to slide in the mounting cylinder 4, thereby controlling the lifting of the pressing plate 9. The pressing plate 9 presses the Velcro tightly, and the bottom die 3 provides support to realize precise processing of the Velcro. When the pressure of the pressing plate 9 on the Velcro reaches the preset force of the multiple sets of pressure springs 17, through the round corner design cooperation of the multiple sets of clamping blocks 13 and the clamping grooves 14, the multiple sets of clamping blocks 13 will be separated from the clamping grooves 14 to release the clamping of the connecting rod 10 and press the return springs 20. Through the multiple sets of sliding rods 12, the pressing block 15 overcomes the thrust of the two sets of pressing sleeves 18, and through the round arc design on both sides of the multiple sets of pressing blocks 15, the two sets of pressing sleeves 18 will be pushed to move to both sides when they are separated from the pressing sleeves 18. The two sets of pressing sleeves 18 move and press the multiple sets of pressure springs 17, at this time, the connecting rod 10 and the connecting sleeve 11 form an idle rotation, at this time, the control motor 5 rotates in the opposite direction, and stops for a certain time when the motor 5 changes direction. At this time, the clamping blocks 13 are pushed to re-clamp in the clamping grooves 14 through the elastic reset of the multiple sets of return springs 20, the pressing sleeves 18 are reset to abut against the multiple sets of pressing blocks 15 through the elastic reset of the multiple sets of pressure springs 17, and the reset clamping of the connecting rod 10 and the connecting sleeve 11 is completed. Then, the pressing plate 9 can be lifted through the reverse rotation of the screw rod 6.

[0036] Please refer to Figure 5 , as an embodiment of the ejecting mechanism: the base 1 is provided with an ejecting mechanism, the ejecting mechanism includes a sliding seat 24, a sliding plate 25, a push rod 26, a top block 27, a connecting rod 28 and a handle 29, the sliding seat 24 is provided with two groups fixed on the base 1, the sliding plate 25 is slidingly connected with the two groups of sliding seats 24, the push rod 26 is fixed on the sliding plate 25, the top block 27 is slidingly arranged in the bottom die 3 and connected with the push rod 26, the connecting rod 28 is provided with two groups rotatingly connected with the sliding plate 25 on both sides and the base 1, and the handle 29 is rotatingly connected with the top ends of the two groups of connecting rods 28.

[0037] The push rod 26 is connected with the support frame 2 through a reset spring 30. The principle is to use the elastic potential energy of the reset spring 30 to automatically pull the push rod 26 back to the initial position after the push rod 26 completes the lifting action.

[0038] More specifically, after processing is completed, the two sets of connecting rods 28 are rotated by the handle 29, the connecting rods 28 push the sliding plate 25 to move on the sliding seat 24. The sliding plate 25 drives the push rod 26 to move upward, the top block 27 rises to push the processed magic tape out of the bottom die 3, and after completion, the reset spring 30 drives the push rod 26 to reset, so that the material pushing mechanism returns to the initial state.

[0039] In summary, when the overall device is in use or operation: the motor 5 drives the screw rod 6 to rotate, and drives the transmission block 7 to move up and down through threaded transmission. The transmission block 7 drives multiple sets of pressure rods 8 to slide in the mounting cylinder 4, thereby controlling the lifting of the pressing plate 9. The pressing plate 9 presses the magic tape, and the bottom die 3 provides support to achieve accurate processing of the magic tape. When the pressing force of the pressing plate 9 on the magic tape reaches the preset force of the multiple sets of pressure springs 17, the multiple sets of clamping blocks 13 will disengage from the clamping grooves 14 to release the clamping of the connecting rods 10 and press the return springs 20, the multiple sets of sliding rods 12 push the pressing blocks 15 to overcome the thrust of the two sets of pressure sleeves 18, and the multiple sets of pressing blocks 15 on both sides are designed as arcs to push the two sets of pressure sleeves 18 to move to both sides when disengaging from the pressure sleeves 18. The two sets of pressure sleeves 18 move and press the multiple sets of pressure springs 17, at this time the connecting rods 10 and the connecting sleeves 11 form an idle rotation, at this time the control motor 5 is reversed, and there is a certain time of stop when the motor 5 changes direction. At this time, the multiple sets of return springs 20 are pushed to re-clamp the clamping blocks 13 in the clamping grooves 14 through the elastic reset, the multiple sets of pressure springs 17 are pushed to reset the pressure sleeves 18 to abut the multiple sets of pressing blocks 15, and then the connecting rods 10 and the connecting sleeves 11 are reset and clamped. Then the pressing plate 9 can be lifted by reversing the rotation of the screw rod 6.

[0040] After processing is completed, the two sets of connecting rods 28 are rotated by the handle 29, the connecting rods 28 push the sliding plate 25 to move on the sliding seat 24. The sliding plate 25 drives the push rod 26 to move upward, the top block 27 rises to push the processed magic tape out of the bottom die 3, and after completion, the reset spring 30 drives the push rod 26 to reset, so that the material pushing mechanism returns to the initial state.

[0041] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be repeated here. In the above, whenever there is a fixed connection, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A presser foot structure for processing a magic tape, comprising a base (1), characterized in that: The base (1) is provided with a pressing mechanism, the pressing mechanism comprises a support frame (2), a bottom die (3), a mounting cylinder (4), a motor (5), a screw rod (6), a transmission block (7), a pressing rod (8) and a pressing plate (9), the support frame (2) is installed on the base (1), the bottom die (3) is connected to the support frame (2), the mounting cylinder (4) is installed at the top end of the support frame (2), the motor (5) is installed at the top end of the mounting cylinder (4), the screw rod (6) rotates in the mounting cylinder (4), the transmission block (7) is threadedly connected to the outer wall of the screw rod (6), the pressing rod (8) is provided with a plurality of groups and is slidably connected with the mounting cylinder (4), the pressing plate (9) is installed at the bottom end of the plurality of pressing rods (8), the motor (5) is provided with a pressure control mechanism between the output end and the screw rod (6), the pressure control mechanism comprises a connecting rod (10), a connecting sleeve (11), a sliding rod (12), a clamping block (13), a clamping groove (14), a pressing block (15), a limiting sleeve (16), a pressure spring (17), a pressing sleeve (18) and an abutting plate (19), the connecting rod (10) is installed at the output end of the motor (5), the connecting sleeve (11) is installed at the top end of the screw rod (6), the sliding rod (12) is provided with a plurality of groups and slides on the outer wall of the connecting sleeve (11), the clamping block (13) is provided with a plurality of groups and is installed at the bottom end of the plurality of sliding rods (12), the clamping groove (14) is provided with a plurality of groups and is distributed on the outer wall of the connecting rod (10), the pressing block (15) is provided with a plurality of groups and is connected to the top end of the plurality of sliding rods (12), the limiting sleeve (16) is provided with two groups and is installed on the outer side of the connecting sleeve (11), the pressure spring (17) is provided with a plurality of groups and is installed on the inner side of the two limiting sleeves (16), the pressing sleeve (18) is provided with two groups and slides on the outer side of the connecting sleeve (11) and abuts at both ends of the plurality of pressing blocks (15), and the abutting plate (19) is installed at the bottom end of the plurality of pressure springs (17) and abuts against the top surface of the pressing sleeve (18).

2. The presser foot structure for processing a magic tape according to claim 1, wherein a plurality of groups of The inner side of the clamping block (13) and the outer side of the clamping groove (14) are provided with a fillet, and a return spring (20) is connected between the top surface of the plurality of clamping blocks (13) and the inner wall of the connecting sleeve (11).

3. The presser foot structure for processing hook and loop fasteners according to claim 2, characterized in that: multiple sets The sliding rod (12) is provided with a polygon and is slidably connected with the connecting sleeve (11).

4. The presser foot structure for processing a magic tape according to claim 3, wherein: Both ends of the plurality of pressing blocks (15) are provided with a circular arc surface and abut against the pressing sleeve (18).

5. A presser foot structure for processing hook and loop fasteners according to claim 4, characterized in that: multiple sets The abutting plate (19) is provided with a limiting rod (21), and the plurality of limiting rods (21) are slidably connected with the two limiting sleeves (16).

6. The presser foot structure for processing a magic tape according to claim 5, wherein: The outer wall of the connecting sleeve (11) is provided with a sliding groove (22), and the inner side of the two pressing sleeves (18) is provided with a sliding block (23), and the sliding groove (22) and the sliding block (23) are provided with a plurality of groups and are slidably connected.

7. The presser foot structure for processing a magic tape according to claim 6, wherein: The base (1) is provided with a ejection mechanism, the ejection mechanism includes sliding seat (24), slide plate (25), push rod (26), top block (27), connecting rod (28) and handle (29), the sliding seat (24) is provided with two groups of fixed on the base (1), the slide plate (25) is slidably connected two groups of the sliding seat (24), the push rod (26) is fixed on the slide plate (25), the top block (27) is slidably arranged in the bottom die (3) and is connected with the push rod (26), the connecting rod (28) is provided with two groups of rotatingly connected slide plate (25) both sides and the base (1), the handle (29) is rotatably connected two groups of connecting rod (28) top.

8. The presser foot structure for processing a magic tape according to claim 7, wherein: The push rod (26) bottom end is connected with the support frame (2) and is provided with reset spring (30).

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