TWM505509U - Upper cutting knife slide structure of sewing machine - Google Patents

Description

Knife sliding structure on the sewing machine

The utility model relates to a knife sliding structure on a sewing machine, in particular to a structure which can adjust the spacing between the first and second rails by displacement to keep the guiding block of the upper cutting knife smoothly and smoothly.

When the sewing machine is finished, in order to achieve the purpose of production automation, a cutter is arranged on the sewing machine to cut the finished product after sewing.

As shown in the first figure, the cutter (81) of the conventional sewing machine is linked by a piston rod (82), and a guide plate (83) is respectively arranged on both sides of the upper cutter (81). And each of the guiding plates (83) is slidably placed in a space formed between the pair of limiting plates (84a, 84b) so that the upper cutting blade (81) does not generate when sliding up and down. Shake.

However, in the above-described conventional structure, the upper cutter (81) is guided, and the pair of restriction plates (84a, 84b) are in a fixed state, and the position cannot be adjusted, so that the restriction plates (84a, 84b) cannot be made. The contact surface coincides with the guiding plate (83), so that a gap is easily formed between the limiting plate (84a, 84b) and the guiding plate (83), especially when used for a period of time, the gap is more obvious, the edge When the upper cutting knife (81) slides up and down, the guiding plate (83) is easy to sway between the two limiting plates (84a, 84b), so that the sliding cannot be smoothly performed, and noise is generated, and the display is obvious. The need for improvement.

In view of this, the creators of this case have added research and innovation to reveal the new The cutter slide structure on the sewing machine.

The purpose of the present invention is to provide a cutter sliding structure on a sewing machine, comprising: a frame body on which at least one side of the frame body is provided with a side wall; a first guide rail, which is provided with a plurality of first perforations, respectively After being passed through a bolt, it is fixed on the frame body and approaches the first side of the frame body, so that one side of the first rail is provided with a first guiding portion; and a second guiding rail is disposed. a plurality of second through holes are respectively fixed on the frame body after being passed through a bolt, and approaching the second side of the frame body, so that a second guiding portion is disposed on one side of the second rail, and The first and second guiding portions are parallel to each other; a guiding block is slidably disposed between the first and second guiding portions, and the top end of the guiding block is coupled to a piston rod, and the bottom of the guiding block The end is attached to the upper cutter; and a plurality of adjusting screws are screwed onto the side wall, so that the ends of the adjusting screws extend through the side wall and abut against the first rail or the second rail, if borrowed Rotating the adjusting screws to adjust and correct the distance between the first and second guiding portions, and clampingly sandwiching the two sides of the guiding block The guide block can be stably and smoothly slide by.

The utility model discloses a cutter sliding structure on a sewing machine, wherein the guide block can form a side edge such as a V shape, and the first and second guiding portions of the first and second guide rails are opposite to the side edge of the guide block. And a V-shaped guiding portion is matched to both sides of the guiding block so that the guiding block can automatically correct the slip between the first and second guiding portions of the first and second guiding rails.

The cutter sliding structure on the sewing machine disclosed in the present invention can adjust the spacing between the first and second guide rails by adjusting the screw, so the new type can be adjusted by rotating after the installation process or after using for a period of time. The screw is used for the purpose of clamping the first and second rails on both sides of the guide block so that the guide block can slide smoothly between the first and second guide rails, so that the cutting of the sewing machine is more precise and has effectiveness.

The desirable entities of the present invention can be ascertained by the following description and the accompanying drawings. Clear.

(10)‧‧‧ ‧ Body

(11) ‧‧‧ sidewall

(20)‧‧‧First rail

(21)‧‧‧First perforation

(22)‧‧‧ bolts

(23) ‧‧‧First Guidance

(30)‧‧‧Second rail

(31)‧‧‧Second perforation

(32)‧‧‧Bolts

(33) ‧‧‧Second guidance

(40) ‧‧‧ Guide blocks

(41)‧‧‧Piston rod

(42) ‧‧‧Upper knife

(43) ‧‧‧Drive components

(50)‧‧‧Adjustment screws

(50a) ‧ ‧ end

(51)‧‧‧Adjustment nut

(52)‧‧‧Position nuts

(521)‧‧‧Bump section

(60)‧‧‧Shield

(70) ‧‧‧Auxiliary

(81)‧‧‧Upper knife

(82)‧‧‧ piston rod

(83)‧‧‧Guideboard

(84a) (84b) ‧ ‧ LIMITING BOARD

The first picture is a perspective view of the sliding structure of the cutter on the sewing machine; the second picture is the exploded view of the new type; the third picture is the three-dimensional view of the new type before the installation of the shield; the fourth picture: a perspective view of another view from the state shown in the three figures; a fifth view: a perspective view of the assembled body of the present invention; a sixth view: a schematic view of a portion of the cross-sectional structure shown in the direction of the fifth figure 6-6; and a seventh figure : This is a schematic diagram of the new type installed on the sewing machine.

Referring to the second to sixth figures, the present invention relates to a knife sliding structure on a sewing machine, comprising: a frame body (10), at least one side of the frame body (10), a side wall is provided (11); the first guide rail (20) is provided with a plurality of first through holes (21), which are respectively passed by a bolt (22), fixed to the frame body (10), and approached to the frame The first side of the body (10) is such that one side of the first rail (20) is provided with a first guiding portion (23); and the second rail (30) is provided with a plurality of second through holes (31). After being passed through by a bolt (32), it is fixed on the frame body (10) and approaches the second side of the frame body (10), so that one side of the second rail (30) is provided a guiding portion (33) for making the first and second guiding portions (23, 33) parallel to each other; a guiding block (40) having two sides corresponding to the first guiding portion (23) and the corresponding portion The two guiding portions (33) are shaped to slide between the first guiding portion (23) of the first rail (20) and the second guiding portion (33) of the second rail (30), so that The top end of the guide block (40) is coupled to a piston rod (41), and the bottom end of the guide block (40) is fixed to an upper cutter (42); and a plurality of adjustment screws (50) ), screwed in the On the side wall (11), the end (50a) of each of the adjusting screws (50) is passed through the side wall and abuts against the first rail (20) or the second rail (30), such as by rotating each Adjusting the screw (50), as shown in the sixth figure, to move the first rail (20) or the second rail (30), that is, to adjust the first guiding portion (23) of the first rail (20) The distance between the second guiding portions (33) of the two guide rails (30) is matched to both sides of the guiding block (40) so that the guiding block (40) can be stable and smooth in the first Slider between the two rails (20, 30).

Referring to the second and sixth figures, the utility model discloses a cutter sliding structure on a sewing machine, wherein the guide block (40) can form a side edge such as a V shape, and the first and second guide rails (20, 30) The first and second guiding portions (23, 33) are opposite to the side edges of the guiding block (40), and form a V-shaped guiding portion to fit the two sides of the guiding block (40). The guide block (40) can be automatically corrected to slip between the first and second guides (23, 33) of the first and second guide rails (20, 30).

Referring to the second and sixth figures, the cutter has a cutter sliding structure on the sewing machine, wherein the first through hole (21) of the first guide rail (20) has a larger aperture than the bolt (22). The diameter of the first guide rail (20) can be moved up, down, or left and right in a state where the bolts (22) are loosened to adjust the position. Similarly, the aperture of each of the second through holes (31) of the second rail (30) is larger than the outer diameter of the bolt (22), so that the second rail (30) can loosen the bolts (32) In the state, it is possible to move up, down, or left and right in a slight amount to adjust the position. The first and second perforations (21 or 31) of the first and second guide rails (20, 30) may be formed into long slots, and the present invention is not limited.

Please refer to the second, third and fourth figures, the cutter sliding structure on the sewing machine of the present invention, wherein the top end of the frame body (10) is connected to a driving component (43), and the driving component (43) is arranged. Linking the piston rod (41) to drive the guide block (40) to be displaced along the first and second guide rails (20, 30); The above-mentioned driving element (43) refers to a pneumatic cylinder, a hydraulic cylinder or a solenoid valve, and the present invention is not limited.

Referring to the second, fourth and sixth figures, the cutter sliding structure on the sewing machine disclosed in the present invention, wherein each adjusting screw (50) is screwed together with an adjusting nut (51), so that the adjusting nut (51) is tight Abuts the outer side of the side wall (11). The adjusting screws (50) may be respectively screwed together with an adjusting nut (51) and a positioning nut (52) so that the adjusting nut (51) abuts against the outer side of the side wall, and the positioning nut (52) is Abutting against the inside of the side wall (11). For example, when the user presses the adjusting nut (51), the adjusting nut (51) and the positioning nut (52) can be clamped to the side wall (11), and the adjusting screw (50) is fixed at the same time. It is stably abutted against the first rail (20) or the second rail (30).

Referring to the sixth figure, the utility model discloses a cutter sliding structure on a sewing machine, wherein each of the positioning nuts (52) comprises a protruding column section (521) and is placed in the side wall (11).

Referring to FIG. 2 to FIG. 5 and FIG. 7 , the cutter sliding structure of the sewing machine disclosed in the present invention further comprises a shield (60) spanning on both sides of the frame body (10). The frame (40) is framed with the frame body (10) to prevent the person from accidentally touching the injury.

Referring to the second, sixth and seventh figures, the cutter sliding structure on the sewing machine disclosed in the present invention further comprises an auxiliary frame (70) for locking the frame body (10) and making the auxiliary frame (70) Locked on the sewing machine. With the aid of the auxiliary frame (70), the present invention can be applied to different types of sewing machines. However, the cutting mechanism of the cutting machine above the sewing machine disclosed in the present invention, wherein the frame body (10) can be directly locked to the sewing machine, the present invention is not limited.

The auxiliary frame (70) described above may be integrally formed or composed of a plurality of plates, and the present invention is not limited.

Referring to the second to seventh figures, the cutter sliding structure on the sewing machine disclosed in the present invention is the first and second guide rails respectively for the two sides of the guide block (40) for interlocking the upper cutter. 30), in addition to stable slip, the assembler can use each of the adjustment screws (50), Adjusting the first and second guiding portions (23, 33) of the first and second guide rails (20, 30) to coincide with the two sides of the guiding block (40) to reduce the first and second guiding rails ( 20, 30) and the gap between the guide block (40), so that the guide block (40) of the upper cutter (42) can be smoothed, reduce noise and wear during the movement, and make the cutting operation More precise and accurate, and the novelty and progress of this new type.

The structure and shape disclosed in the present invention can be modified and applied without departing from the spirit or scope of the novel, and the present invention is not limited.

(10)‧‧‧ ‧ Body

(11) ‧‧‧ sidewall

(20)‧‧‧First rail

(21)‧‧‧First perforation

(22)‧‧‧ bolts

(23) ‧‧‧First Guidance

(30)‧‧‧Second rail

(31)‧‧‧Second perforation

(32)‧‧‧Bolts

(33) ‧‧‧Second guidance

(40) ‧‧‧ Guide blocks

(41)‧‧‧Piston rod

(42) ‧‧‧Upper knife

(43) ‧‧‧Drive components

(50)‧‧‧Adjustment screws

(51)‧‧‧Adjustment nut

(52)‧‧‧Position nuts

(60)‧‧‧Shield

(70) ‧‧‧Auxiliary

Claims (10)

The utility model relates to a knife sliding structure on a sewing machine, which comprises: a frame body, at least one side of the frame body, a side wall is protruded; the first guide rail is provided with a plurality of first perforations, respectively, after a bolt is worn Fixing on the frame body and approaching the first side of the frame body, such that one side of the first rail is provided with a first guiding portion; and the second guiding rail is provided with a plurality of second holes, respectively After being passed through a bolt, it is fixed on the frame body and approaches the second side of the frame body, so that one side of the second rail is provided with a second guiding portion, and the first and second guides are arranged. The guide portions are parallel to each other; a guide block is slidably disposed between the first and second guiding portions, so that the top end of the guiding block is coupled to a piston rod, and the bottom end of the guiding block is fixedly connected a plurality of adjusting screws are screwed onto the side walls of the frame such that the ends of the adjusting screws extend through the side walls and abut against the first rail or the second rail, such as by rotating each Adjusting the screw to adjust the distance between the first and second guiding portions to fit the two sides of the guiding block in an intimate manner. The sliding structure of the sewing machine above the sewing machine according to claim 1, wherein the two sides of the guiding block form a side edge of the V shape, and the first and second guiding portions are opposite to the side edge of the guiding block. A V-shaped guide. The sliding structure of the squeegee of the sewing machine of claim 1 , wherein an aperture of each of the first perforations of the first rail is greater than an outer diameter of the bolt; and an aperture of the second perforation of the second rail is greater than the The outer diameter of the bolt. The squeegee sliding structure of the sewing machine according to claim 3, wherein the first and second perforations of the first and second guide rails are formed into long slotted holes. The squeegee sliding structure of the sewing machine according to claim 1, wherein each of the adjusting screws is screwed with an adjusting nut so that the adjusting nut abuts against the outer side of the side wall. The cutter sliding structure on the sewing machine according to claim 1, wherein each of the adjusting screws is screwed separately The adjusting nut and a positioning nut are combined to make the adjusting nut abut against the outer side of the side wall, and the positioning nut is abutted against the inner side of the side wall. The squeegee sliding structure of the sewing machine according to claim 6, wherein each of the positioning nuts comprises a protruding column section and is placed in the side wall. The sliding structure of the squeegee of the sewing machine of claim 1 further comprises a shroud that is bridged to both sides of the frame to surround the frame with the frame. The cutter sliding structure on the sewing machine according to claim 1, further comprising an auxiliary frame locked to the frame and locking the auxiliary frame to the sewing machine. The cutter slide structure on the sewing machine according to claim 9, wherein the auxiliary frame is composed of a plurality of plates.