CN218880289U - Adjustable cloth clamping system of embroidery frame of embroidery machine and embroidery machine - Google Patents

Abstract

The utility model discloses an adjustable cloth clamping system of an embroidery frame of an embroidery machine and the embroidery machine, relating to embroidery equipment, wherein the adjustable cloth clamping system comprises a rectangular frame main body and a frame crosspiece, and the two ends of the frame crosspiece are connected with the two transverse side edges of the frame main body in a sliding way; a crosspiece adjusting mechanism is arranged between the frame crosspiece and the longitudinal first side edge of the frame main body, and comprises a first fixing piece, a second fixing piece and an adjusting piece arranged between the first fixing piece and the second fixing piece; be equipped with the bolt elasticity chuck of being connected with the regulating part on the first mounting, the regulating part can be followed longitudinal sliding when the bolt elasticity chuck is loosened, is equipped with along the sand grip of horizontal extension on the frame crosspiece, is equipped with the elasticity chuck that slides on the second mounting, and the elasticity chuck that slides locks with sand grip sliding connection and after the frame crosspiece is adjusted and is accomplished the back and the sand grip is locked. The utility model discloses can reduce the resistance among the crosspiece accommodation process to along X to the synchronism among the assurance crosspiece accommodation process.

Description

Adjustable cloth clamping system of embroidery frame of embroidery machine and embroidery machine

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of the embroidery equipment, concretely relates to embroidery machine frame.

[ background ] A method for producing a semiconductor device

When the embroidery machine works, the embroidery frame needs to do reciprocating movement in the X-axis and Y-axis directions of the working plane, and the patterns of the embroidery are obtained by the movement of the embroidery frame along the X-axis and Y-axis directions. In the conventional embroidery frame, a sliding mechanism is provided at the bottom thereof, thereby moving the embroidery frame in the X-axis and Y-axis directions.

Referring to the Chinese utility model patent with publication number CN 217078005U, an adjustable embroidery frame of an embroidery machine is disclosed, which comprises a rectangular body formed by a left rail, a right rail, a front rail and a rear rail in a surrounding manner, and an adjusting crosspiece arranged in the rectangular body; the adjusting crosspiece, the front gear or the rear gear is provided with a sliding rail extending along the X axis; a plurality of adjusting rods are arranged between the front gear or the rear gear and the adjusting crosspiece in a spanning manner; two ends of the adjusting rod are respectively and rotatably connected with sliding structures, and the sliding structures are slidably connected to corresponding sliding rails; and locking structures are arranged at the two ends of the adjusting rod and used for locking the end part of the adjusting rod on the front rail or the rear rail and the adjusting crosspiece.

As the sliding structure moves on the sliding rail along the X axis, the end part of the adjusting rod rotates around the sliding structure to change the inclination angle of the adjusting rod in the moving process, so that the distance between the adjusting crosspiece and the front crosspiece can be increased or decreased. Because a plurality of adjusting rods are arranged between the front gear or the rear gear and the adjusting crosspiece in a spanning mode, the adjusting crosspiece is pushed to move along the Y direction during adjustment, and therefore the sliding structure is driven to move on the sliding rail along the X axis. Although the resistance is not very large during sliding, the resistance is increased along the Y direction, and the plurality of adjusting rods are mutually associated, so that the resistance along the Y direction is very large if the adjusting crosspieces cannot be guaranteed to move along the Y direction along the whole X direction.

[ Utility model ] content

To the not enough among the prior art, the utility model aims to solve the technical problem that an adjustable cloth clamping system of embroidery machine tabouret is provided reduces the resistance in the crosspiece accommodation process, also can guarantee among the crosspiece accommodation process along X to the synchronism.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an adjustable cloth clamping system of an embroidery frame of an embroidery machine comprises a rectangular frame main body and a frame crosspiece arranged in the frame main body, wherein two ends of the frame crosspiece are connected with two transverse side edges of the frame main body in a sliding manner; a crosspiece adjusting mechanism for adjusting the relative distance between the frame crosspiece and the longitudinal first side edge of the frame main body is arranged between the frame crosspiece and the longitudinal first side edge of the frame main body, and the crosspiece adjusting mechanism comprises a first fixing piece fixed on the longitudinal first side edge of the frame main body, a second fixing piece fixed on the frame crosspiece and an adjusting piece arranged between the first fixing piece and the second fixing piece; be equipped with the bolt elasticity chuck of being connected with the regulating part on the first mounting, the longitudinal sliding can be followed to the regulating part when the bolt elasticity chuck loosens, be equipped with on the frame crosspiece along the sand grip of horizontal extension, be equipped with the slip elasticity chuck on the second mounting, slip elasticity chuck and sand grip sliding connection and adjust at the frame crosspiece and accomplish the back and the sand grip locking.

Preferably, the sliding elastic chuck comprises two elastic clamping blocks, an elastic groove matched with the convex strip is formed between the two elastic clamping blocks, and an elastic screw is connected between the two elastic clamping blocks.

Preferably, the second fixing part is provided with a fixing block fixed with the adjusting part, and the elastic screw is in threaded connection with the fixing block.

Preferably, the adjusting part is provided with a threaded hole, the fixing block is provided with a through hole which is communicated up and down, the through hole is connected with a lower fixing screw, and the lower fixing screw upwards penetrates through the through hole and is connected with the threaded hole.

Preferably, the upper surface of the fixed block is provided with a caulking groove, the first end of the adjusting piece is embedded in the caulking groove, the bottom surface of the caulking groove is connected with a through hole, and the through hole is connected with a lower fixing screw.

Preferably, first mounting is equipped with first slider, first slider top is located to the bolt elasticity chuck, the bolt elasticity chuck is equipped with the screw hole, be equipped with the through-hole that link up from top to bottom on the first slider, the through-hole is connected with down the fixed screw, and lower fixed screw upwards passes the through-hole and is connected with the screw hole.

Preferably, the first sliding block is connected with a tension bolt, a transverse sliding groove is formed in the first longitudinal side edge of the frame main body, and the tension bolt is connected with the transverse sliding groove in a sliding mode and is locked with the transverse sliding groove after the first sliding block is adjusted.

Preferably, the bolt tensioning chuck is provided with a U-shaped portion, a slot connected with the adjusting piece in a sliding mode is arranged in the U-shaped portion, and the U-shaped portion is connected with a tensioning bolt.

Preferably, both longitudinal sides of the frame crosspiece are provided with convex strips, and the convex strips are tooth-shaped convex strips; and/or the adjusting piece is a rod-shaped body.

The utility model also provides an embroidery machine is equipped with the tabouret, the tabouret is equipped with adjustable double-layered cloth system.

The technical scheme of the utility model, following beneficial effect has:

the two ends of the frame crosspiece are connected with the two transverse side edges of the frame main body in a sliding mode, the adjusting piece can slide along the longitudinal direction when the bolt elastic chuck is loosened, and the bolt elastic chuck hardly generates resistance on the adjusting piece in the longitudinal direction, so that the resistance in the adjustment process of the crosspiece can be reduced.

The adjusting piece can be followed longitudinal sliding when the bolt elasticity chuck loosens, and the bolt elasticity chuck has restricted the adjusting piece to other directions removal simultaneously, under the guide effect of a plurality of bolt elasticity chucks on horizontal, can guarantee the synchronization of crosspiece adjusting process along X to.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with the following drawings:

FIG. 1 is a schematic structural view of a frame of a medium embroidery machine according to the present invention;

FIG. 2 is an enlarged view of the structure at B in FIG. 1;

FIG. 3 is a schematic view of the assembly structure of the first embodiment of the adjustable cloth clamping system of the middle embroidery frame of the present invention;

FIG. 4 is a first schematic exploded view of the first embodiment of the adjustable cloth clamping system of the middle embroidery frame of the present invention;

FIG. 5 is a schematic exploded view of the first embodiment of the adjustable cloth clamping system of the middle embroidery frame of the present invention;

FIG. 6 is a schematic longitudinal sectional view of the first embodiment of the adjustable cloth clamping system of the middle embroidery frame of the present invention installed on the embroidery frame;

FIG. 7 is an enlarged view of the structure at C in FIG. 6;

FIG. 8 is a schematic view of the assembly structure of the second embodiment of the adjustable cloth clamping system of the middle embroidery frame of the present invention;

FIG. 9 is an exploded view of a second embodiment of the adjustable cloth clamping system of the center embroidery frame of the present invention;

FIG. 10 is a schematic perspective view of an adjusting member of a second embodiment of the adjustable cloth clamping system of the center embroidery frame of the present invention;

FIG. 11 is an end view of an adjusting member of a second embodiment of the adjustable cloth clamping system of the center embroidery frame of the present invention;

FIG. 12 is a schematic structural view of a second embodiment of the adjustable cloth clamping system of the middle embroidery frame according to the present invention, mounted on the embroidery frame;

FIG. 13 is an enlarged view of the structure of FIG. 12 at D;

FIG. 14 is a schematic structural view of a third embodiment of an adjustable cloth clamping system of an embroidery frame according to the present invention installed on the embroidery frame;

FIG. 15 is an enlarged view of E in FIG. 14;

reference numerals: the frame comprises a frame main body 100, a cloth clamping convex strip 1001, a transverse sliding chute 1002, a rear frame 100A, a front frame 100B, a right frame 100C, a left frame 100D and a frame crosspiece 100E; the cross rail adjusting mechanism 3, the bolt hole 301, the first fixing member 31, the first sliding block 311, the bolt tensioning clamp 312, the slot 3121, the first lower fixing screw 313, the tension bolt 314, the nut 3141, the upper tensioning screw 315, the second fixing member 32, the fixing block 321, the caulking groove 3211, the sliding tensioning clamp 322, the tension groove 3221, the second lower fixing screw 323, the lateral tensioning screw 324, the adjusting member 33, the longitudinal sliding groove 331, the lower half 3311, the upper half 3312, the adjusting link 34 and the adjusting support 35.

[ detailed description ] A

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper," "lower," "lateral," "longitudinal," and the like, which indicate orientation or positional relationship, are used solely based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Example one

As shown in fig. 1 to 7, the embroidery machine is provided with an embroidery frame, and the embroidery frame is provided with an adjustable cloth clamping system, the embroidery frame includes a rectangular frame body 100 and a frame rail 100E provided in the frame body, the frame body 100 includes a right frame 100C and a left frame 100D on both longitudinal sides, and a front frame 100B and a rear frame 100A on both lateral sides.

The frame crosspiece can slide along the longitudinal direction, and two ends of the frame crosspiece are connected with two transverse side edges of the frame main body in a sliding mode; and a crosspiece adjusting mechanism 3 for adjusting the relative distance between the frame crosspiece and the longitudinal first side edge of the frame main body is arranged between the frame crosspiece and the longitudinal first side edge of the frame main body.

It will be appreciated that because of the relatively long distance that the frame rails extend in the transverse direction, a plurality of rail adjustment mechanisms 3 are typically provided in the transverse direction.

Specifically, the crosspiece adjusting mechanism 3 comprises a first fixing member 31 fixed on a first longitudinal side of the frame body, a second fixing member 32 fixed on the crosspiece of the frame, and an adjusting member 33 arranged between the first fixing member and the second fixing member.

In one embodiment, the first fixing member 31 is provided with a bolt tightening clamp 312 connected to the adjusting member 33, and the adjusting member is slidable in a longitudinal direction when the bolt tightening clamp 312 is loosened. Be equipped with on the frame crosspiece along the clamp cloth sand grip 1001 of horizontal extension, be equipped with slip elasticity chuck 322 on the second mounting 32, slip elasticity chuck 322 and clamp cloth sand grip 1001 sliding connection and adjust at frame crosspiece 105 and accomplish the back and lock with clamp cloth sand grip 1001.

Specifically, the sliding elastic chuck 322 comprises two elastic clamping blocks, an elastic groove 3221 matched with the cloth clamping convex strip is formed between the two elastic clamping blocks, and a lateral elastic screw 324 is connected between the two elastic clamping blocks. The second fixing member 32 is provided with a fixing block 321 fixed with the adjusting member 33, and the lateral tightening screw 324 is in threaded connection with the fixing block 321. Thus, the sliding collet 322 can be coupled to the fixed block 321 by the lateral tensioning screw 324, and the tightness of the sliding collet 322 can be adjusted by adjusting the lateral tensioning screw 324 since the lateral tensioning screw is threadedly coupled to the fixed block.

Further, the adjusting member 33 is provided with a threaded hole, the fixing block 321 is provided with a through hole which is vertically through, the through hole is connected with a second lower fixing screw 323, and the second lower fixing screw 323 upwards passes through the through hole and is connected with the threaded hole, so that the screw head of the second lower fixing screw 323 is not visible above.

Furthermore, the upper surface of the fixing block 321 is provided with a groove 3211, the first end of the adjusting element 33 is embedded in the groove, and the bottom surface of the groove is connected with a through hole, which is connected with the second lower fixing screw 323.

In this embodiment, the adjusting member is a rod-shaped body, specifically a cylindrical rod, in order to ensure that the adjusting member rotates, the bottom surface of the caulking groove is a plane, and the first end of the adjusting member 33 is provided with a positioning plane whose side surface is matched with the bottom surface of the caulking groove.

In order to adjust the position of the crosspiece adjusting mechanism 3 in the transverse direction, not only the second fixing element is connected to the rib by sliding the tensioning clamp. A sliding adjusting structure is also arranged between the first fixing piece and the longitudinal first side edge of the frame main body. Specifically, the first fixing member 31 is provided with a first sliding block 311, the bolt elastic chuck 312 is arranged above the first sliding block, the bolt elastic chuck is provided with a threaded hole, the first sliding block is provided with a through hole which is vertically communicated, the through hole is connected with a first lower fixing screw 313, and the first lower fixing screw upwards penetrates through the through hole and is connected with the threaded hole. The screw head of the first lower fixing screw 313 is therefore not visible above. The first sliding block is connected with a loose bolt 314, a transverse sliding groove 1002 is formed in the first longitudinal side edge of the frame main body, and the loose bolt 314 is connected with the transverse sliding groove 1002 in a sliding mode and locked with the transverse sliding groove after the first sliding block is adjusted.

The sliding groove structure in the prior art can be referred to, the transverse sliding groove is provided with a lower half part and an upper half part, and two sides of the upper half part are provided with limiting convex edges extending inwards to form a structure with a wide lower half part and a narrow upper half part, which is similar to a T-shaped structure or a dovetail groove. The cross section of the lower half part is a rectangle or an isosceles trapezoid, the cross section of the lower half part in the embodiment is a combined structure of the rectangle and the isosceles trapezoid, namely, the lower side is an inverted isosceles trapezoid, and the rectangle is arranged between the isosceles trapezoid and the limiting convex edge.

In order to realize the sliding and locking between the tightening bolt 314 and the transverse sliding groove 1002, a bolt hole is arranged on the first sliding block 311, the bolt is provided with a nut 3141 and a screw, the nut is arranged in the transverse sliding groove, the screw passes through the bolt hole and is connected with the nut, and the screw head is positioned above the bolt hole. It will be appreciated that the nut can be inserted into and slid along the lower half of the transverse runner, but cannot rotate, so that the screw can be tightened above.

With reference to the prior art, the head of the screw may be provided with an internal hexagonal recess, a cross recess or a straight recess to facilitate screwing the screw in the upper part.

Further, the bolt tightening chuck 312 is provided with a U-shaped portion, the mouth of the U-shaped portion faces the lateral side, a slot 3121 slidably connected with the adjusting member is provided in the U-shaped portion, and the U-shaped portion is connected with an upper tightening screw 315. Set up the screw hole on the U-shaped portion lower side, set up the through-hole on the upside, go up the elasticity screw and pass the through-hole on the upside and be connected with lower side edge screw hole. After the bolt tensioning clamp 312 is loosened, the adjusting member 33 can slide along the slot 3121.

After the bolt tightening chucks 312 of the plurality of crosspiece adjusting mechanisms 3 are loosened, the frame crosspiece is pushed to slide along the longitudinal direction, the corresponding adjusting pieces 33 slide along the slots 3121, and after the frame crosspiece is adjusted in place along the longitudinal direction, the bolt tightening chucks 312 of the plurality of crosspiece adjusting mechanisms 3 are completely screwed down to fix the adjusting pieces. When the frame crosspiece slides along the longitudinal direction, the resistance between the adjusting piece 33 and the slot 3121 is smaller, so the adjustment is more convenient and labor-saving.

In this embodiment, the two longitudinal sides of the frame crosspiece are both provided with cloth clamping convex strips 1001, and the cloth clamping convex strips are tooth-shaped convex strips. The structure of the tooth-shaped cloth clamping convex strips is the same as that of the tooth-shaped cloth clamping convex strips in the prior art, and the four frames of the frame body 100 are also provided with the tooth-shaped cloth clamping convex strips. The sliding elastic chuck structure can also be adopted between the two ends of the frame crosspiece and the two transverse sides of the frame main body.

In the crosspiece adjusting mechanism 3 in the embodiment, all screws required for adjustment can be operated above, only the screws with the fastening function are used, the screw heads of the screws are designed in a hidden mode, the design is more humanized, and the operating habit is met.

Example two

As another embodiment of the adjustable cloth clamping system for an embroidery frame, as shown in fig. 8 to 13, a longitudinal sliding slot 331 extending in the longitudinal direction is formed on the adjusting member 33, and the first fixing member and the second fixing member are connected with a fastening member, which is slidably connected with the longitudinal sliding slot 331 and is locked with the longitudinal sliding slot 331 after the adjustment of the frame rail in the longitudinal direction is completed.

When the frame is adjusted, the fastening piece is loosened, the frame crosspiece is pushed to slide along the longitudinal direction, and meanwhile, the fastening piece slides along the longitudinal sliding groove, so that the longitudinal position adjustment of the frame crosspiece can be realized. After the adjustment is in place, the fastening piece is locked with the longitudinal sliding groove again. According to the sliding distance of the frame crosspiece in the longitudinal direction, the second fixing piece and the fastening piece connected with the second fixing piece can slide in the longitudinal direction of the adjusting piece, the first fixing piece and the fastening piece connected with the first fixing piece can slide in the longitudinal direction of the adjusting piece, or the first fixing piece and the fastening piece connected with the first fixing piece can slide in the longitudinal direction of the adjusting piece simultaneously, or the first fixing piece and the fastening piece connected with the first fixing piece can slide in the longitudinal direction simultaneously.

The longitudinal sliding groove has the same structure as the transverse sliding groove, and with reference to the structure of the transverse sliding groove, the longitudinal sliding groove 331 is provided with a lower half 3311 and an upper half 3312, and both sides of the upper half are provided with limiting convex edges extending inwards, so that a structure with a wide lower half and a narrow upper half is formed, which is similar to a T-shaped groove or a dovetail groove. The fastener is the bolt, be equipped with bolt hole 301 on first mounting and the second mounting, the bolt is equipped with nut and screw, the nut is located in vertical spout, the screw passes the bolt hole and is connected with the nut. The nut can therefore slide in the lower half of the longitudinal runner, and the screw can be tightened above.

Further, the first fixing member and the second fixing member are provided with a plate-shaped body extending in the longitudinal direction, and the plate-shaped body is provided with a plurality of bolt holes 301 at intervals in the longitudinal direction. Thus, the fastener can be connected to any of the bolt holes.

In this embodiment, the longitudinal sliding grooves are transversely provided with two rows on the adjusting member, and the bolt holes are correspondingly provided with two rows on the plate-shaped body, so that the first fixing member and the second fixing member are relatively stable in the sliding process relative to the adjusting member.

In order to realize the transverse position adjustment of the crosspiece adjusting mechanism 3, the first fixing piece is provided with a first transverse sliding block, a first transverse sliding groove is formed in the first longitudinal side edge of the frame main body, the first transverse sliding block is connected with a bolt, and the bolt is connected with the first transverse sliding groove in a sliding mode. The second fixing piece is provided with a second transverse sliding block, a second transverse sliding groove is formed in the frame crosspiece, the second transverse sliding block is connected with a bolt, and the bolt is connected with the second transverse sliding groove in a sliding mode. The bolt can be locked with horizontal spout like this, and first horizontal slider and second horizontal slider can freely slide when loosening.

EXAMPLE III

It is understood that other configurations of the rung adjusting mechanisms 3 may be used. As another embodiment of the adjustable cloth clamping system for an embroidery frame, as shown in fig. 14 and 15, the rail adjusting mechanism 3 includes an adjusting support 35 fixed to a first longitudinal side of the frame body by screws, and two adjusting links 34 hinged to the adjusting support. A plurality of fixing holes are transversely arranged on the longitudinal first side edge of the frame main body, or a transverse sliding groove is arranged for being locked and fixed with the adjusting support through screws, so that the fixing position of the adjusting support in the transverse direction can be adjusted. The two adjusting connecting rods 34 are arranged in a splayed shape, one end of each adjusting connecting rod is hinged with the adjusting support, and the other end of each adjusting connecting rod is connected with a turnbuckle. And the frame crosspiece is provided with a transverse sliding groove, and the tightening bolt is in sliding connection with the transverse sliding groove and is locked with the transverse sliding groove after the adjustment of the adjusting connecting rod is completed. The structure of the transverse sliding groove and the tension bolt can be referred to the above description.

The above description is only for the embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the description in the above embodiments and the accompanying drawings. Any modification that does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims (10)

1. An adjustable cloth clamping system of an embroidery frame of an embroidery machine comprises a rectangular frame main body and a frame crosspiece arranged in the frame main body, wherein two ends of the frame crosspiece are connected with two transverse side edges of the frame main body in a sliding mode; a crosspiece adjusting mechanism for adjusting the relative distance between the frame crosspiece and the longitudinal first side edge of the frame main body is arranged between the frame crosspiece and the longitudinal first side edge of the frame main body, and the crosspiece adjusting mechanism is characterized by comprising a first fixing piece fixed on the longitudinal first side edge of the frame main body, a second fixing piece fixed on the frame crosspiece and an adjusting piece arranged between the first fixing piece and the second fixing piece; be equipped with the bolt elasticity chuck of being connected with the regulating part on the first mounting, the longitudinal sliding can be followed to the regulating part when the bolt elasticity chuck loosens, be equipped with on the frame crosspiece along the sand grip of horizontal extension, be equipped with the slip elasticity chuck on the second mounting, slip elasticity chuck and sand grip sliding connection and adjust at the frame crosspiece and accomplish the back and the sand grip locking.

2. The adjustable cloth clamping system of an embroidery frame of an embroidery machine according to claim 1, wherein the sliding elastic chuck comprises two elastic clamping blocks, an elastic groove matched with the raised strip is formed between the two elastic clamping blocks, and an elastic screw is connected between the two elastic clamping blocks.

3. The adjustable cloth clamping system of the embroidery frame of the embroidery machine as claimed in claim 2, wherein the second fixing member is provided with a fixing block fixed with the adjusting member, and the tightening screw is in threaded connection with the fixing block.

4. The adjustable cloth clamping system of an embroidery frame of an embroidery machine as claimed in claim 3, wherein said adjusting member is provided with a threaded hole, said fixing block is provided with a through hole passing through it up and down, the through hole is connected with a lower fixing screw, and the lower fixing screw passes through the through hole up and is connected with the threaded hole.

5. The adjustable cloth clamping system of an embroidery frame of an embroidery machine as claimed in claim 4, wherein the upper surface of the fixing block is provided with a caulking groove, the first end of the adjusting member is embedded in the caulking groove, the bottom surface of the caulking groove is connected with a through hole, and the through hole is connected with a lower fixing screw.

6. The adjustable cloth clamping system of an embroidery frame of an embroidery machine as claimed in claim 1, wherein said first fixing member is provided with a first sliding block, said bolt tightening clamp is provided above said first sliding block, said bolt tightening clamp is provided with a threaded hole, said first sliding block is provided with a through hole passing through it up and down, said through hole is connected with a lower fixing screw, said lower fixing screw passes through said through hole up and is connected with said threaded hole.

7. The adjustable cloth clamping system of an embroidery frame of an embroidery machine as claimed in claim 6, wherein the first sliding block is connected with a tension bolt, a transverse sliding groove is arranged on a first longitudinal side edge of the frame main body, and the tension bolt is slidably connected with the transverse sliding groove and locked with the transverse sliding groove after the first sliding block is adjusted.

8. The adjustable cloth clamping system of an embroidery frame of an embroidery machine as claimed in claim 1, wherein the bolt tensioning clamp is provided with a U-shaped portion, a slot slidably connected with the adjusting member is arranged in the U-shaped portion, and a tensioning bolt is connected to the U-shaped portion.

9. The adjustable cloth clamping system of an embroidery machine tabouret of claim 1, wherein both longitudinal sides of the frame rail are provided with raised lines, and the raised lines are tooth-shaped raised lines; and/or the adjusting piece is a rod-shaped body.

10. An embroidery machine provided with an embroidery frame, characterized in that the embroidery frame is provided with an adjustable cloth clamping system according to any one of claims 1 to 9.

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