Cloth clamping device for embroidery machine

Abstract

The utility model discloses a cloth clamping device for an embroidery machine, which comprises a base, two double-shaft motors are arranged in the base in an up-and-down staggered manner, the two double-shaft motors are arranged in a cross shape, a transverse moving component is arranged between each of two driving ends of the two double-shaft motors and the base, and a transverse moving component is arranged between each of the two driving ends of the two double-shaft motors and the base. The movable ends of the four transverse moving assemblies are jointly, detachably and fixedly connected with a clamping plate frame. A concentric-square-shaped pressing groove is formed in the top of the clamping plate frame, and inclined faces are arranged on the tops of the outer walls of the four sides of the clamping plate frame; and fixing frames are fixedly mounted at the movable ends of the four transverse moving assemblies correspondingly, and air cylinders are fixedly mounted at the tops of the four fixing frames correspondingly. According to the four-edge synchronous clamping mechanism, the problems of center looseness and wrinkling of cloth caused by traditional two-end clamping are effectively solved by adopting a four-edge synchronous clamping structure and adopting a mode of combining elastic auxiliary pre-pressing and air cylinder rigid pressing, the embroidery precision can be remarkably improved, and deformation or deviation of the cloth in the embroidery process is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cloth clamping technical field, especially a cloth clamping device for embroidery machine. BACKGROUND

[0002] Embroidery machine is a kind of mechanical equipment for embroidery, especially computer embroidery machine, also called computer embroidery machine. Computer embroidery machine is the high-tech sewing equipment that embodies mechatronics technology, with the characteristics of full-automatic control and multi-function. It can automatically complete multi-color embroidery according to the input design pattern and color changing program, and is widely used in the fields of fashion, underwear, curtain, bed cover, ornament, handicraft decoration embroidery, etc.

[0003] The prior art disclosed as CN222631768U is a kind of intelligent embroidery machine material clamping device, including mounting seat, the upper surface of mounting seat left and right sides are fixedly provided with vertical plate, the upper surface of mounting seat central fixedly provided with spacing plate;By loosening the positioning bolt, along the chute to the side of mounting seat moves the inverted recess frame, so that the inverted recess frame is at the left side of clamping plate, then rotates the clamping plate.

[0004] The device can stably clamp the cloth that needs to be embroidered. But there are obvious defects when processing large area or high elasticity cloth:

[0005] Center sag: when clamping only two ends, the middle part of cloth relaxes due to gravity or elastic stretching, resulting in uneven embroidery area.

[0006] Wrinkle deviation: in the process of embroidery, the center of the cloth may wrinkle or shift due to the pressure of the machine head, affecting the pattern accuracy.

[0007] Therefore, improvement is proposed. UTILITY MODEL CONTENT

[0008] The utility model discloses a cloth clamping device for embroidery machine to solve the shortcomings in the prior art.

[0009] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a cloth clamping device for embroidery machine, including base, the inside of base is provided with two double-shaft motors in upside-down position, and two double-shaft motors are arranged in cross, two drive ends of two double-shaft motors are commonly provided with horizontal moving assembly between base, and the movable end of four horizontal moving assemblies is commonly detachably fixedly connected with clamping plate frame;

[0010] The top of clamping plate frame is provided with a back-shaped pressing groove, and the top of the outer wall of four sides of clamping plate frame is provided with an inclined surface.

[0011] The movable end of each of the four horizontal moving assemblies is fixedly provided with a fixing frame, the top of each of the four fixing frames is fixedly provided with a pneumatic cylinder, the piston rod of each of the four pneumatic cylinders is provided through the fixing frame and fixedly connected with a mounting plate, the bottom of each of the four mounting plates is fixedly provided with a pressing strip matched with the back-shaped pressing groove in a detachable mode.

[0012] The bottom of each of the four pressing strips is fixedly provided with an elastic auxiliary plate matched with the inclined surface.

[0013] Further, each of the four horizontal moving assemblies comprises a bearing seat fixedly installed at the inner bottom of the base, the bearing inner ring of the bearing built in the bearing seat is fixedly connected with a screw rod, the screw rod is fixedly connected with the adjacent output shaft of the double-shaft motor, the outer surface of the screw rod is threadedly sleeved with a sliding seat, the top of the sliding seat is fixedly connected with a mounting seat, the mounting seat is fixedly installed at the bottom of the fixing frame, and the mounting seat is fixedly connected with the clamping frame through bolts, so that the connection and separation of the clamping frame and the mounting seat are facilitated.

[0014] Further, the bottom of each of the two double-shaft motors is fixedly connected with two support seats in a symmetrical mode, and the support seats are fixedly installed at the inner bottom of the base, so that the installation of the double-shaft motor is facilitated.

[0015] Further, the top of the base is provided with a cross-shaped groove penetrating into the interior, the inner wall of the cross-shaped groove is in abutted sliding connection with the outer wall of the sliding seat, the cross-shaped groove has a limiting effect on the sliding seat, and the stability of the movement of the sliding seat is ensured.

[0016] Further, the four mounting plates are slidably sleeved on the outer surface of the fixing frame, the fixing frame has a limiting effect on the mounting plate, and the stability of the movement of the mounting plate is ensured.

[0017] Further, the top of each of the four pressing strips is fixedly connected with two screws in a symmetrical mode, the screws are provided through the mounting plate, the outer surface of each of the eight screws is threadedly connected with a nut, the nut is abutted against the top of the mounting plate, and the screws and the nuts facilitate the connection and separation of the pressing strip and the mounting plate.

[0018] Further, each of the four elastic auxiliary plates comprises two fixed plates fixedly installed at one side of the outer surface of the pressing strip in a symmetrical mode, the outer surface of each of the two fixed plates is fixedly connected with a spring, the other end of each of the two springs is fixedly connected with an inclined plate slidably installed on the pressing strip, and the spring keeps the inclined plate in the original position without external force.

[0019] The beneficial effects of the utility model are as follows:

[0020] The utility model discloses in using, this cloth clamping device for embroidery machine, through four -sided synchronous clamping structure, adopt elastic auxiliary pre -compression and cylinder rigid compression combined mode, effectively solved the cloth center relaxation, wrinkle problem caused by traditional two -end clamping, can improve embroidery precision significantly, avoid the deformation or deflection of cloth in the embroidery process. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing of simple introduction, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0022] Figure 1 The utility model discloses a perspective view;

[0023] Figure 2 The utility model discloses a Figure 1 The utility model discloses the enlarged view of A place in

[0024] Figure 3 The utility model discloses the connecting diagram of the compression strip and elastic auxiliary plate;

[0025] Figure 4 The utility model discloses the bottom view of section;

[0026] Figure 5 The utility model discloses the assembly front view.

[0027] The following are the symbols of the drawings:

[0028] 1, base;2, cross slot;3, fixed frame;4, mounting seat;5, bolt;6, mounting plate;7, cylinder;8, screw;9, nut;10, compression strip;11, inclined surface;12, back type pressure groove;13, clamping plate frame;14, fixed plate;15, spring;16, inclined plate;17, screw rod;18, sliding seat;19, double-shaft motor;20, bearing seat. DETAILED DESCRIPTION

[0029] The following will be to the technical scheme in the embodiment of the utility model in the embodiment of the utility model, clear, complete, it is obvious that the described embodiment only is a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments that the ordinary skilled person in the art obtains without making creative labor belong to the scope of the utility model protection.

[0030] As Figures 1 to 5As shown, it relates to a cloth clamping device for embroidery machine, including base 1, two double shaft motors 19 are arranged on the inside of base 1 upside down, and the two double shaft motors 19 are arranged in cross, the bottom of the two double shaft motors 19 is fixedly connected with two support seats, and the support seat is fixedly installed on the inner bottom of base 1, the driving end of the two double shaft motors 19 is commonly installed with horizontal moving assembly between base 1, the movable end of four horizontal moving assemblies is commonly detachably fixedly connected with clamping plate frame 13, four horizontal moving assemblies each include bearing seat 20, and bearing seat 20 is fixedly installed on the inner bottom of base 1, the bearing inner ring of bearing built-in bearing seat 20 is fixedly connected with screw 17, and screw 17 is fixedly connected with adjacent output shaft of double shaft motor 19, the outer surface of screw 17 is threadedly sleeved with sliding seat 18, the top of sliding seat 18 is fixedly connected with mounting seat 4, and mounting seat 4 and clamping plate frame 13 are fixed through bolt 5, and mounting seat 4 is fixedly installed on the bottom of fixed frame 3, the top of base 1 is provided with cross groove 2 penetrating to the inside, and the inner wall of cross groove 2 and the outer wall of sliding seat 18 slide fit.

[0031] When the clamping plate frame 13 needs to be replaced, a plurality of bolts 5 are unscrewed, and then the clamping plate frame 13 is removed, then the positions of the four mounting seats 4 are adjusted according to the size of the new clamping plate frame 13, when adjusting, the double shaft motor 19 operates, the double shaft motor 19 drives the two screws 17 connected therewith to rotate, the screw 17 drives the sliding seat 18 connected therewith to move, the sliding seat 18 drives the mounting seat 4 to move, until the mounting seat 4 reaches the required position, then the new clamping plate frame 13 is placed on the four mounting seats 4, then a plurality of bolts 5 are screwed to fix the clamping plate frame 13, and the replacement is completed

[0032] The top of the clamping plate frame 13 is provided with a back-shaped pressing groove 12, the inner bottom of the back-shaped pressing groove 12 is provided with anti-skid lines, the top of the outer wall of the four sides of the clamping plate frame 13 is provided with a slope 11, the movable end of the four horizontal moving assemblies is fixedly installed with a fixing frame 3, the top of the four fixing frames 3 is fixedly installed with a gas cylinder 7, the piston rod of the four gas cylinders 7 penetrates through the fixing frame 3 and is fixedly connected with a mounting plate 6, the four mounting plates 6 are slidably sleeved on the outer surface of the fixing frame 3, the bottom of the four mounting plates 6 is fixedly installed with a pressing strip 10 in a detachable manner, the top of the four pressing strips 10 is fixedly connected with two screws 8 in a symmetrical manner, the screws 8 penetrate through the mounting plate 6, the outer surface of the eight screws 8 is threadedly connected with a nut 9, the nut 9 abuts against the top of the mounting plate 6, the pressing strip 10 is matched with the back-shaped pressing groove 12, the bottom of the pressing strip 10 is provided with anti-skid lines, so that the fixing effect on the cloth after pressing is ensured, the bottom of the four pressing strips 10 is fixedly installed with an elastic auxiliary plate matched with the slope 11, the four elastic auxiliary plates each include two fixed plates 14, the two fixed plates 14 are fixedly installed on one side of the outer surface of the pressing strip 10 in a symmetrical manner, the outer surface of the two fixed plates 14 is fixedly connected with a spring 15, the other end of the two springs 15 is fixedly connected with a slope plate 16 slidably installed on the pressing strip 10.

[0033] When it is necessary to replace the pressing strip 10, the nut 9 is unscrewed from the screw 8, after the nuts 9 threadedly sleeved on the outer surface of the two screws 8 on the same pressing strip 10 are all unscrewed, the pressing strip 10 is taken off, then the two screws 8 on the new pressing strip 10 penetrate through the mounting plate 6, and then the nut 9 is screwed on the screw 8 and abuts against the mounting plate 6, so that the replacement of the pressing strip 10 is completed.

[0034] Working principle: the base 1 is fixedly installed on the workbench of the embroidery machine, the embroidery machine controller is electrically connected with each electrical element on the base 1, which is beneficial to control the overall operation; when it is necessary to fix the cloth, the cloth is laid flat on the top of the clamping plate frame 13, and then simultaneous tensioning or one-by-one tensioning is selected according to the need, when one-by-one tensioning, the worker needs to adjust the position of one end of the cloth, the corresponding gas cylinder 7 operates, the gas cylinder 7 drives the pressing strip 10 to descend through the mounting plate 6, and then the slope plate 16 is descended through each component, until the slope plate 16 is pre-fixed with the slope 11 under the action of the spring 15, and then the above operation is repeated until the fixing of the remaining three ends of the cloth is completed, and then the four gas cylinders 7 operate to drive the mounting plate 6 and the pressing strip 10 to descend, until the pressing strip 10 and the back-shaped pressing groove 12 cooperate to realize the pressing and fixing of the cloth, and the cloth fixing operation is completed.

[0035] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A cloth gripping device for an embroidery machine comprising a base (1), characterized in that: The inside of the base (1) is provided with two double-shaft motors (19) in up-down staggered arrangement, and the two double-shaft motors (19) are arranged in cross, and two driving ends of the two double-shaft motors (19) are jointly provided with horizontal moving assemblies between the base (1), and the movable ends of the four horizontal moving assemblies are jointly and detachably fixedly connected with a clamping frame (13); The top of the clamping frame (13) is provided with a back-shaped pressing groove (12), and the top of the four side outer walls of the clamping frame (13) is provided with a slope (11); The movable ends of the four horizontal moving assemblies are fixedly provided with a fixing frame (3), the top of the four fixing frames (3) is fixedly provided with a gas cylinder (7), the piston rod of the four gas cylinders (7) penetrates through the fixing frame (3) and is fixedly connected with a mounting plate (6), the bottom of the four mounting plates (6) is detachably fixedly provided with a pressing strip (10), and the pressing strip (10) is matched with the back-shaped pressing groove (12); The bottom of the four pressing strips (10) is fixedly provided with an elastic auxiliary plate matched with the slope (11).

2. A cloth clamping device for an embroidery machine according to claim 1, characterized in that: The four horizontal moving assemblies each include a bearing seat (20) fixedly installed on the inner bottom of the base (1), the bearing inner ring of the bearing built-in the bearing seat (20) is fixedly connected with a screw rod (17) fixedly connected with the adjacent output shaft of the double-shaft motor (19), the outer surface of the screw rod (17) is threadedly sleeved with a sliding seat (18), the top of the sliding seat (18) is fixedly connected with a mounting seat (4) fixed between the clamping frame (13) through bolts (5), and the mounting seat (4) is fixedly installed on the bottom of the fixing frame (3).

3. A cloth clamping device for an embroidery machine according to claim 1, characterized in that: The bottom of the two double-shaft motors (19) is symmetrically fixedly connected with two support seats fixedly installed on the inner bottom of the base (1).

4. A cloth clamping device for an embroidery machine according to claim 2, characterized in that: The top of the base (1) is provided with a cross groove (2) penetrating into the inside, and the inner wall of the cross groove (2) is slidably attached to the outer wall of the sliding seat (18).

5. A cloth clamping device for an embroidery machine according to claim 1, characterized in that: The four mounting plates (6) are slidably sleeved on the outer surface of the fixing frame (3).

6. A cloth clamping device for an embroidery machine according to claim 1, characterized in that: The top of the four pressing strips (10) is symmetrically fixedly connected with two screws (8) penetrating through the mounting plate (6), and the outer surface of the eight screws (8) is threadedly connected with a nut (9) abutting against the top of the mounting plate (6).

7. A cloth clamping device for an embroidery machine according to claim 1, characterized in that: The four elastic auxiliary plates each include two fixed plates (14) fixedly installed on one side of the outer surface of the pressing strip (10), the outer surface of the two fixed plates (14) is fixedly connected with a spring (15), and the other end of the two springs (15) is jointly fixedly connected with an inclined plate (16) slidably installed on the pressing strip (10).

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