CN114921945A - Automatic cutting device of surface fabric - Google Patents

Abstract

The invention discloses an automatic fabric cutting device which comprises a fixed top beam, a pushing block, a pull-back spring, a connecting handle, a cutter, a workbench and a self-induction connecting and pressing mechanism, wherein a transverse groove I is formed in the fixed top beam, the pull-back spring is arranged in the transverse groove I, the pushing block is slidably arranged in the transverse groove I and is connected with the pull-back spring, the connecting handle is arranged on the pushing block, the cutter is arranged at the bottom end of the connecting handle, the workbench is positioned below the fixed top beam, the self-induction connecting and pressing mechanism is arranged on the workbench and is connected with the connecting handle, a pushing power assembly is arranged on the fixed top beam, and the pushing power assembly is intermittently connected with the pushing block. The invention relates to the technical field of fabric automatic cutting devices, and particularly provides a fabric automatic cutting device which can drive a cutter to move forwards uniformly to cut fabric by utilizing the uniform forward movement of a power block, and can rapidly pull back and reset a pushing block by utilizing the resilience of a pull-back spring after the cutting is finished, so that the reset time of the cutter is shortened.

Description

A fabric automatic cutting device

technical field

The invention relates to the technical field of cutting devices, in particular to an automatic fabric cutting device.

Background technique

In the process of fabric processing, the fabric will be trimmed, cut, slit and other cutting operations according to the requirements. The traditional cutting operations are mostly manual operations. During manual cutting, due to the unstable fixation of the fabric, not only the work efficiency is low , The labor intensity is high, and the cutting quality is not good. At the same time, when using an electric cutter, the return time of the cutter after the fabric is cut is generally the same as the forward cutting time. The smooth and uniform advance rate of the cutter is to improve the The stability of cutting, and the slow return of the cutter is a waste of processing time.

SUMMARY OF THE INVENTION

In view of the above situation, in order to overcome the defects of the prior art, this solution provides an automatic fabric cutting device.

The technical scheme adopted by the present invention is as follows: the automatic fabric cutting device in this scheme includes a fixed top beam, a push block, a pullback spring, a connecting handle, a cutter, a worktable and a self-induction connection and pressing mechanism. There is a transverse groove 1, the pullback spring is set in the transverse groove 1, the push block is slidably arranged in the transverse groove 1 and is connected with the pull back spring, the connecting handle is set on the push block, and the cutter It is located at the bottom end of the connecting handle, the worktable is located below the fixed top beam, the self-induction connection pressing mechanism is set on the worktable and is connected with the connecting handle, and the fixed top beam is provided with a pushing power component, The pushing power assembly is intermittently connected with the pushing block.

As a further optimization of this solution, the self-induction connection pressing mechanism is composed of two sets of self-control pressing components, and the two sets of self-control pressing components are respectively located on both sides of the cutter and are both slidably connected with the connecting handle.

As a further optimization of this solution, the self-controlling pressing assembly includes a vertical link, a support spring, a pressing top plate and a convex shaft, and extension seats are provided on both sides of the worktable, and the vertical link slides It is arranged through the extension seat, the extruding top plate is arranged at the top end of the vertical connecting rod and is located above the worktable, the support spring is arranged between the pressing top plate pressing and the extension seat, and the protruding shaft is arranged on the connecting handle , the extrusion top plate is provided with a push groove, and the convex shaft is slidably arranged in the push groove. When the connecting handle moves forward, the convex shaft is driven to slide in the push groove, which can drive the extrusion top plate to move down in the cutting groove. The knife is pressed against the fabric on the table below before it touches the fabric, ensuring that the fabric does not shift during the cutting process.

As a further optimization of this solution, the pushing groove is formed by connecting a second transverse groove and an inclined groove.

As a further optimization of this solution, the pushing power assembly includes a screw rod 1, a power block and a telescopic connector, the fixed top beam is provided with a transverse groove 3, and the screw rod 1 is rotated and arranged in the transverse groove 3, The power block is slidably arranged in the third transverse groove and is sleeved on the first screw rod through a threaded hole, a push handle is arranged on the power block, and the telescopic connector is arranged on the push block and is intermittently connected to the push handle. Contact, when moving forward, use the push handle to contact the telescopic connector to push the push block forward, drive the cutter to move forward at a uniform speed to cut the fabric, and after the cutting is completed, the push handle is disengaged from the telescopic connector. Pulling the spring back will quickly pull the push block back to reset.

As a further optimization of this solution, the telescopic connector includes a telescopic spring and a connecting block, the pushing block is provided with a channel groove, the telescopic spring is provided in the channel groove, and the connecting block is provided on the telescopic spring and The connecting block is provided with a protruding rod, and the protruding rod is intermittently in contact with the push handle. The fixed top beam is provided with a disengagement push block, and the disengagement push block is close to the push block. The side of the connecting block is an inclined surface, the free end of the connecting block is close to the disengaging push block, and the connecting block inclined surface is in intermittent sliding contact with the disengaging push block inclined surface. When the outer end of the connecting block is located on the outside of the pushing block, and then the power block is driven by the screw rod to move, so that the push handle is in contact with the protruding rod to push the pushing block forward. The inclined surface of the block contacts and slides, and the connecting block is pushed into the channel groove by the disengaging push block, thereby releasing the contact state between the protruding rod and the push handle. At this time, the push block is quickly pulled back and reset by the rebound spring.

Preferably, the third transverse groove, the second transverse groove and the first transverse groove are parallel.

Preferably, the worktable is provided with a transverse slot, and the cutter is slidably arranged in the transverse slot.

Preferably, a motor is provided on the fixed top beam, and the motor is connected with the lead screw.

Preferably, one end of the transverse groove away from the pullback spring is provided with an attracting magnet, and the pushing block is a ferromagnetic block. When the push block is reset, the pull-in magnet and the pushing block can be pulled together quickly and stably to avoid pulling back. The spring drives the push block to vibrate back and forth.

The beneficial effects obtained by adopting the above-mentioned structure of the present invention are as follows:

In this scheme, the uniform forward movement of the power block can drive the cutter to evenly move forward to cut the fabric, and after the cutting is completed, the push block is quickly pulled back and reset by the rebound spring to reduce the time for the cutter to reset;

In this scheme, when the connecting handle moves forward, the protruding shaft is driven to slide in the pushing groove, which can drive the pressing top plate to move down and press on the fabric on the lower worktable before the cutting knife touches the fabric, so as to ensure that the fabric does not deviate during the cutting process. shift.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the fabric automatic cutting device of this scheme;

Figure 2 is a top view of the self-controlled pressing component of the fabric automatic cutting device of the scheme;

Figure 3 is a front view of the self-controlled pressing component of the automatic fabric cutting device of the scheme;

FIG. 4 is a schematic structural diagram of the driving power component of the automatic fabric cutting device of the scheme.

Among them, 1. Fixed top beam, 2. Push block, 3. Pull back spring, 4. Connecting handle, 5. Cutter, 6. Worktable, 7. Self-induction connection and pressing mechanism, 8. Transverse groove 1, 9 , vertical connecting rod, 10, support spring, 11, extrusion top plate, 12, convex shaft, 13, extension seat, 14, horizontal groove two, 15, inclined groove, 16, screw rod one, 17, power block, 18 , Telescopic connector, 19, three transverse grooves, 20, push handle, 21, telescopic spring, 22, connecting block, 23, out of the push block, 24, transverse groove, 25, motor, 26, convex rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the The embodiments of the present invention, and all other embodiments obtained by those of ordinary skill in the art without creative work, fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", " The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, so as to The specific orientation configuration and operation are therefore not to be construed as limitations of the present invention.

As shown in Figures 1 and 4, the automatic fabric cutting device of this scheme includes a fixed top beam 1, a push block 2, a pullback spring 3, a connecting handle 4, a cutter 5, a worktable 6 and a self-induction connection pressing mechanism 7. The fixed top beam 1 is provided with a transverse groove 1 8, the pullback spring 3 is set in the transverse groove 1 8, the push block 2 is slidably arranged in the transverse groove 1 8 and is connected with the pullback spring 3, and the connecting handle 4 is set in the transverse groove 1. On the push block 2, the cutter 5 is located at the bottom end of the connecting handle 4, the worktable 6 is located below the fixed top beam 1, and the self-induction connection pressing mechanism 7 is set on the worktable 6 and connected with the connecting handle 4, and the fixed top The beam 1 is provided with a pushing power component, and the pushing power component is intermittently connected with the pushing block 2 .

Among them, the driving power assembly includes a screw rod 16, a power block 17 and a telescopic connector 18. The fixed top beam 1 is provided with a transverse groove 3 19, the screw rod 1 16 is rotated and arranged in the transverse groove 3 19, and the power block 17 slides It is arranged in the third transverse groove 19 and is sleeved on the screw rod 1 16 through threaded holes, the power block 17 is provided with a push handle 20, and the telescopic connector 18 is arranged on the push block 2 and intermittently contacts with the push handle 20; The telescopic connector 18 includes a telescopic spring 21 and a connecting block 22. The push block 2 is provided with a channel groove, the telescopic spring 21 is disposed in the channel groove, and the connecting block 22 is disposed on the telescopic spring 21 and slides through the channel groove. The connecting block 22 is provided with a protruding rod 26, the protruding rod 26 is intermittently in contact with the push handle 20, the fixed top beam 1 is provided with a disengaging push block 23, and the side of the disengaging push block 23 close to the push block 2 is an inclined surface, and the connecting block The side of the free end of 22 close to the disengagement pushing block 23 is an inclined surface, and the inclined surface of the connecting block 22 is in intermittent sliding contact with the inclined surface of the disengaging pushing block 23 .

As shown in FIG. 4 , an attracting magnet is provided at one end of the transverse slot 1 8 away from the pullback spring 3 , and the pushing block 2 is a ferromagnetic block.

As shown in Fig. 2-Fig. 3, the self-induction connection pressing mechanism 7 is composed of two groups of self-control pressing components, and the two groups of self-control pressing components are respectively located on both sides of the cutter 5 and are both slidably connected with the connecting handle 4; The self-controlling pressing assembly includes a vertical connecting rod 9, a supporting spring 10, a pressing top plate 11 and a convex shaft 12. Extension seats 13 are provided on both sides of the worktable 6, and the vertical connecting rod 9 slides through the extension seat 13 and is arranged. The extrusion top plate 11 is arranged at the top of the vertical link 9 and above the workbench 6 , the support spring 10 is arranged between the extrusion top plate 11 and the extension seat 13 , and the protruding shaft 12 is arranged on the connecting handle 4 . The top plate 11 is provided with a pushing groove, and the protruding shaft 12 is slidably arranged in the pushing groove. The pushing groove is formed by the communication between the second transverse groove 14 and the inclined groove 15. It communicates with one end of the second transverse groove 14 .

Among them, the third transverse groove 19, the second transverse groove 14 and the first transverse groove 8 are parallel.

As shown in FIG. 1 , the worktable 6 is provided with a transverse slot 24 , and the cutter 5 is slidably arranged in the transverse slot 24 .

In specific use, in the initial state, the push block 2 is far away from the push block 23. At this time, the outer end of the connecting block 22 is located outside the push block 2, and the cutter 5 is located on one side of the worktable 6. When the fabric is cut, the starter motor 25 drives the screw rod one 16 to rotate, thereby driving the power block 17 to move through the screw rod one 16, the push handle 20 is in contact with the protruding rod 26, and the push block 2 is pushed forward to compress the retraction spring 3. The push block 2 drives the cutting knife 5 to move forward through the connecting handle 4, and the convex shaft 12 on the connecting handle 4 slides into the transverse groove 2 14 along the inclined groove 15, so as to drive the top plate 11 to press down before the cutting knife 5 touches the fabric. Move and press on the fabric on the lower worktable 6, the cutter 5 continues to move forward to cut the fabric, and after the cutter 5 moves forward until the cutting is completed, the inclined surface of the connecting block 22 contacts and slides with the inclined surface of the disengagement pushing block 23, using the disengagement The pushing block 23 pushes the connecting block 22 to slide into the channel groove, thereby releasing the contact state between the protruding rod 26 and the push handle 20. At this time, the push block 2 is quickly pulled back and reset by the rebound spring 3, and then the fabric The next cutting movement is performed, and at the same time, the motor 25 is reversed to drive the power block 17 to reset.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

While the basic principles and main features and advantages of the present invention have been shown and described above, it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but without departing from the spirit or essential aspects of the present invention. In the case of the characteristic features, the present invention can be implemented in other specific forms. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (10)

1. A fabric automatic cutting device, characterized in that: comprising a fixed top beam (1), a push block (2), a pullback spring (3), a connecting handle (4), a cutter (5), a workbench ( 6) and the self-induction connection pressing mechanism (7), the fixed top beam (1) is provided with a transverse groove one (8), and the retraction spring (3) is arranged in the transverse groove one (8), so The pushing block (2) is slidably arranged in the transverse groove one (8) and is connected with the pullback spring (3), the connecting handle (4) is arranged on the pushing block (2), and the cutter (5) is At the bottom end of the connecting handle (4), the worktable (6) is located below the fixed top beam (1), and the self-induction connection pressing mechanism (7) is provided on the worktable (6) and is connected to the connecting handle (4) Connection, the fixed top beam (1) is provided with a pushing power assembly, and the pushing power assembly is intermittently connected with the push block (2). 2. A fabric automatic cutting device according to claim 1, characterized in that: the self-induction connection pressing mechanism (7) is composed of two groups of self-control pressing components, and the two groups of the self-control pressing The components are respectively located on both sides of the cutter (5) and are both slidably connected with the connecting handle (4). 3. An automatic fabric cutting device according to claim 2, characterized in that: the self-controlling pressing component comprises a vertical connecting rod (9), a supporting spring (10), a pressing top plate (11) and a A protruding shaft (12), an extension seat (13) is provided on both sides of the worktable (6), the vertical connecting rod (9) is slidably arranged through the extension seat (13), and the extrusion top plate (11) ) is arranged at the top of the vertical link (9) and above the workbench (6), the support spring (10) is arranged between the pressing top plate (11) and the extension seat (13). The shaft (12) is arranged on the connecting handle (4), the pressing top plate (11) is provided with a pushing groove, and the protruding shaft (12) is slidably arranged in the pushing groove. 4. An automatic fabric cutting device according to claim 3, characterized in that: the pushing groove is composed of a second transverse groove (14) and an inclined groove (15), and the second transverse groove (14) Located just above the fabric, the upper end of the inclined groove (15) communicates with one end of the second transverse groove (14). 5. A fabric automatic cutting device according to claim 4, characterized in that: the pushing power assembly comprises a screw rod (16), a power block (17) and a telescopic connector (18), the The fixed top beam (1) is provided with a third transverse groove (19), the first screw rod (16) is rotatably arranged in the third transverse groove (19), and the power block (17) is slidably arranged in the third transverse groove (19). ) and is sleeved on the first screw rod (16) through threaded holes, the power block (17) is provided with a push handle (20), and the telescopic connector (18) is provided on the push block (2) up and intermittently in contact with the push handle (20). 6 . The automatic fabric cutting device according to claim 5 , wherein the telescopic connector ( 18 ) comprises a telescopic spring ( 21 ) and a connecting block ( 22 ), and the pushing block ( 2 ) A channel groove is provided on the upper part, the telescopic spring (21) is arranged in the channel groove, the connecting block (22) is arranged on the telescopic spring (21) and slides through the channel groove, and the connecting block (22) A protruding rod (26) is provided thereon, and the protruding rod (26) is intermittently in contact with the push handle (20). (23) The side close to the push block (2) is an inclined surface, the free end of the connecting block (22) is close to the side of the detachment pushing block (23), and the inclined surface of the connecting block (22) is the same as the detachment pushing block. (23) Intermittent sliding contact of inclined surfaces. 7 . The automatic fabric cutting device according to claim 5 , wherein the third (19) transverse groove, the second transverse groove (14) and the first transverse groove (8) are parallel. 8 . 8. A fabric automatic cutting device according to claim 1, characterized in that: the worktable (6) is provided with a transverse cutting groove (24), and the cutting knife (5) is slidably arranged on the transverse cutting groove (24). in slot (24). 9 . The automatic fabric cutting device according to claim 5 , wherein a motor ( 25 ) is provided on the fixed top beam ( 1 ), and the motor ( 25 ) is connected to a lead screw one ( 16 ). 10 . connect. 10. A fabric automatic cutting device according to claim 1, characterized in that: an end of the transverse groove 1 (8) away from the pullback spring (3) is provided with an attracting magnet, and the pushing block (2) ) is a ferromagnetic block.

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