CN215976328U - Die changing clamp for rotary drum machine - Google Patents

Abstract

The utility model relates to a die change clamp for a roller machine, wherein a fixed sleeve is arranged at the front end of the roller machine, and a movable sheet is detachably arranged on the upper side of the front end part of the fixed sleeve, and the die change clamp has the advantages that: through installing the movable piece at the fixed sleeve front end, can realize the processing of different annular cloth, and above-mentioned movable piece detachable design not only can respond to the annular cloth of different bores through predetermineeing the not unidimensional movable piece, can also be through adjusting stop gear's claw head, quick convenient carries out the dismouting to the not unidimensional movable piece, is particularly suitable for fast rhythm's streamlined production, and is very practical.

Description

Die changing clamp for rotary drum machine

Technical Field

The utility model relates to the field of sewing equipment, in particular to a die changing clamp for a roller machine.

Background

For some special cloth products, the requirement of appearance beauty makes it necessary to avoid the existence of seams to the maximum extent, therefore, many cloth materials are directly cut to form annular cloth materials when being cut, for example, the cloth materials from the shoe vamp to the shoe body are all integrated, and for the annular cloth materials, a special rotary drum type sewing device is needed to be adopted for processing when being sewn.

For example, chinese patent application No. CN201911002216.0 discloses a rotary-drum type sewing machine, in which a movable sleeve can move forward and backward and rotate circumferentially relative to a fixed sleeve under the drive of a screw-nut transmission mechanism and a gear transmission mechanism, the two sets of driving mechanisms are simple and reliable in structure, and a workpiece to be sewn, which is pressed by a pressing mechanism, can move synchronously with the movable sleeve, so that the sewing range of the workpiece is expanded, and the annular workpiece can be better attached to a needle plate during sewing.

Although the equipment meets the requirement of sewing annular raw materials to a certain extent, the equipment still has certain disadvantages, because the size of the annular cloth is uncertain, the rotary drum type sewing equipment is difficult to adapt to different batches of cloth, and once the caliber of the annular cloth is too small, the cloth can not be positioned on the sleeve even.

Therefore, further improvements to existing drum machines are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a die changing clamp for a roller machine, which realizes quick disassembly and replacement of a sleeve piece, aiming at the current situation of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a die change jig for a drum machine, comprising:

the fixed sleeve is used for being arranged at the front end of the roller machine;

also includes:

the movable sheet is detachably arranged on the fixed sleeve and is of an arc structure with two ends bent downwards, and the rear side part of the movable sheet is jointed with the upper side of the front end part of the fixed sleeve in a state that the movable sheet is arranged on the fixed sleeve;

and the limiting mechanism is arranged on the fixed sleeve, and the power output end is provided with a claw head for limiting the movable sheet to be separated from the fixed sleeve.

In order to ensure that the movable piece can have enough supporting strength to realize sewing of the cloth after installation, preferably, the front end of the fixed sleeve is provided with a connecting plate, the movable piece is supported on the connecting plate, the upper edge of the front side edge of the fixed sleeve is provided with a positioning socket, and the corresponding end part of the movable piece is provided with a positioning part matched with the positioning socket.

In order to ensure that the movable plate can be accurately positioned when being butted with the fixed sleeve, preferably, the positioning part is an insertion block arranged on the outer arc surface of the movable plate.

In order to ensure that the movable piece is not shaken during installation, preferably, the number of the positioning insertion holes is at least two, and the positioning insertion holes are arranged at intervals along the upper edge of the fixed sleeve, the movable piece is provided with at least two insertion blocks which are correspondingly arranged with the positioning insertion holes, and each insertion block is correspondingly provided with a limiting mechanism on the fixed sleeve so as to limit the insertion block to be separated from the corresponding positioning insertion hole.

Specifically, a guide step is arranged on the inner side wall of the positioning socket, and a guide outer edge matched with the guide step is correspondingly arranged on the outer side wall of the insertion block.

In order to avoid the movable plate to drop, preferably, stop gear is still including the support and drive actuating cylinder, the support is located fixed sleeve is last, the claw head is installed movably on the support, it locates to drive actuating cylinder on the support and power take off end with the claw head drive is connected, just under the inserted block is inserted and is located the intraoral state of location socket, the claw head is on moving the route that breaks away from of inserted block under the effect that drives actuating cylinder, and then the restriction the inserted block breaks away from the location socket.

Specifically, in order to ensure that the claw head can realize a limiting effect, the limiting mechanism further comprises a connecting rod, the rear end of the connecting rod is rotatably connected to the front end of the support and extends forwards, the middle of the claw head is rotatably mounted at the front end of the connecting rod, the first end of the claw head is connected to an output shaft of the driving mechanism, the second end of the claw head swings up and down relative to the insert block under the action of the driving cylinder, and the second end of the claw head abuts against the front end face of the insert block in a downward swinging state of the claw head.

In order to ensure that the cloth is attached to the movable sheet during processing, preferably, the mold changing clamp for the roller machine further comprises a pressing mechanism, the pressing mechanism comprises a first pressing component for pressing the rear side edge of the cloth and a second pressing component for pressing the front side edge of the cloth, the first pressing component is arranged on the fixed sleeve, and the second pressing component is arranged at the end part, far away from the fixed sleeve, of the movable sheet.

Preferably, the first pressing assembly comprises a first base, a driver and a pressing plate, the first base is arranged on the fixed sleeve, the middle of the pressing plate is rotatably arranged on the first base, an output shaft of the driver is rotatably connected with the upper end of the pressing plate, so that the lower end of the driver swings up and down relative to the movable piece, and the rear side edge of the cloth is pressed on the upper surface of the movable piece in a downward swinging state.

Specifically, the second material pressing assembly comprises a second base and a pressing rod, the pressing rod penetrates through the second base and can slide along the second base in a reciprocating mode, and a gap for accommodating the front side edge of the cloth is formed between the pressing rod and the surface of the movable piece under the condition that the pressing rod slides to extend out of the second base.

Compared with the prior art, the utility model has the advantages that: this a retooling anchor clamps for cylinder machine, fixed sleeve installs at the cylinder machine front end, through installing the movable plate at fixed sleeve front end upside, can realize the processing of different annular cloth, and above-mentioned movable plate detachable design, not only can respond to the annular cloth of different bores through predetermineeing not unidimensional movable plate, can also be through adjusting stop gear's claw head, quick convenient carries out the dismouting to unidimensional movable plate, be particularly suitable for the fast-paced streamlined production, very practical.

Drawings

FIG. 1 is a schematic view of the overall structure of a mold changing jig according to an embodiment of the present invention;

FIG. 2 is an exploded view of a portion of the structure of FIG. 1 from another angle;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is an exploded view of the entire structure of the mold changing jig according to the embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, a preferred embodiment of the present invention. In the embodiment, the mold changing clamp for the roller machine comprises a fixed sleeve 1, a movable sheet 2 and a limiting mechanism 3.

The above-mentioned fixed sleeve 1 is used for installing in the front end of the drum machine, and in the front end of the conventional drum machine, there is a front neck portion fitted with the fixed sleeve, the above-mentioned movable plate 2 is detachably installed on the fixed sleeve 1, and is of an arc structure with two ends bent downwards, when the movable sheet 2 is arranged on the fixed sleeve 1, the rear side part of the movable sheet 2 is jointed on the upper side of the front end part of the fixed sleeve 1, the other end extends towards the direction far away from the fixed sleeve 1, specifically, the front end of the fixed sleeve 1 is provided with a connecting plate 11, the movable sheet 2 is supported on the connecting plate 11, wherein, for realizing the support, the connecting plate 11 can be different structures, for example, the area of the support can be changed by adjusting the radian thereof, the preset radian can also be adopted, the adjustment is carried out by changing the arc length, and the connecting plate 11 in the embodiment adopts an arc structure adaptive to the inner arc surface of the movable plate 2.

The installation of activity piece 2 and fixed sleeve 1 needs location accurate relatively, and in this embodiment, the last border of the preceding side of fixed sleeve 1 has location socket 12, has the location portion of adaptation location socket 12 at the corresponding tip of activity piece 2. The positioning part is an insertion block 21 arranged on the outer arc surface of the movable plate 2, the positioning insertion holes 12 are at least two and are arranged at intervals along the upper edge of the fixed sleeve 1, and the movable plate 2 is provided with at least two insertion blocks 21 arranged corresponding to the positioning insertion holes 12. In addition, a guiding step 13 is arranged on the inner side wall of the positioning socket 12, and a guiding outer edge 22 matched with the guiding step 13 is correspondingly arranged on the outer side wall of the insertion block 21.

Of course, in order to ensure that the movable plate 2 does not fall off after positioning, the above-mentioned limiting mechanism 3 is disposed on the fixed sleeve 1, and the power output end has a claw 31 for limiting the movable plate 2 to be separated from the fixed sleeve 1. And for each plug block 21, a limiting mechanism 3 is correspondingly arranged on the fixed sleeve 1 so as to limit the plug block 21 to be separated from the corresponding positioning socket 12.

The structure for realizing the limit can be different forms, in this embodiment, the limit mechanism 3 further includes a support 32 and a driving cylinder 33, the support 32 is disposed on the fixing sleeve 1, the claw head 31 is movably mounted on the support 32, the driving cylinder 33 is disposed on the support 32, the power output end is in driving connection with the claw head 31, and in a state that the insertion block 21 is inserted into the positioning insertion opening 12, the claw head 31 moves to a separation path of the insertion block 21 under the action of the driving cylinder 33, so as to limit the positioning insertion opening 12 from which the insertion block 21 separates. Specifically, the above-mentioned stopper mechanism 3 further includes a link 34, a rear end of the link 34 is rotatably connected to a front end of the bracket 32 and extends forward, a middle portion of the claw head 31 is rotatably attached to a front end of the link 34, a first end of the claw head 31 is connected to an output shaft of the drive mechanism, a second end of the claw head 31 is vertically swung with respect to the insert block 21 by the drive cylinder 33, and the second end of the claw head 31 abuts against a front end surface of the insert block 21 in a state where the claw head 31 is swung downward, and as can be seen from the above-mentioned swinging process, the second end of the claw head 31 is a free end thereof.

In addition, in order to avoid the cloth to slide relative to the movable piece 2 during processing, the die change fixture for the roller machine further comprises a pressing mechanism, the pressing mechanism comprises a first pressing component 4 used for pressing the rear side edge of the cloth and a second pressing component 5 used for pressing the front side edge of the cloth, the first pressing component 4 is arranged on the fixed sleeve 1, and the second pressing component 5 is arranged at the end part, far away from the fixed sleeve 1, of the movable piece 2. The first pressing assembly 4 comprises a first base 41, a driver 42 and a pressing plate 43, the first base 41 is arranged on the fixed sleeve 1, the middle of the pressing plate 43 is rotatably arranged on the first base 41, an output shaft of the driver 42 is rotatably connected with the upper end of the pressing plate 43, so that the lower end of the driving plate swings up and down relative to the movable piece 2, and the rear side edge of the cloth is pressed on the upper surface of the movable piece 2 in a downward swinging state. The second pressing assembly 5 includes a second base 51 and a pressing rod 52, the pressing rod 52 penetrates through the second base 51 and can slide along the second base 51 in a reciprocating manner, and a gap for accommodating the front side of the cloth is formed between the pressing rod 52 and the surface of the movable piece 2 when the pressing rod 52 slides to extend out of the second base 51.

Also, directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like, may be used in the description and claims to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are determined based on the example orientations shown in the figures. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (10)

1. A die change jig for a drum machine, comprising:

the fixed sleeve (1) is used for being arranged at the front end of the roller machine;

it is characterized by also comprising:

the movable piece (2) is detachably arranged on the fixed sleeve (1) and is of an arc structure with two ends bent downwards, and the rear side part of the movable piece (2) is connected to the upper side of the front end part of the fixed sleeve (1) in a state that the movable piece (2) is arranged on the fixed sleeve (1);

and the limiting mechanism (3) is arranged on the fixed sleeve (1), and the power output end is provided with a claw head (31) used for limiting the movable sheet (2) to be separated from the fixed sleeve (1).

2. The mold change jig of claim 1, wherein: the front end of fixed sleeve (1) is equipped with connecting plate (11), movable plate (2) support be in on connecting plate (11), just the last border of the preceding side of fixed sleeve (1) has location socket (12), has the adaptation at the corresponding tip of movable plate (2) the location portion of location socket (12).

3. The mold change jig of claim 2, wherein: the positioning part is an insertion block (21) arranged on the outer arc surface of the movable sheet (2).

4. The mold change jig of claim 3, wherein: the utility model discloses a fixing sleeve, including fixed sleeve (1), movable piece (2), location socket (12) have two at least, and follow the upper edge interval arrangement of fixed sleeve (1), be equipped with on movable piece (2) have two at least with location socket (12) correspond inserted block (21) of arranging to every inserted block (21), all correspond on fixed sleeve (1) and be equipped with a stop gear (3) to restriction inserted block (21) break away from corresponding location socket (12).

5. The retooling fixture of claim 4, wherein: a guide step (13) is formed in the inner side wall of the positioning socket (12), and a guide outer edge (22) matched with the guide step (13) is correspondingly formed in the outer side wall of the insertion block (21).

6. The mold change jig of claim 5, wherein: stop gear (3) are still including support (32) and drive actuating cylinder (33), support (32) are located on fixed sleeve (1), dog head (31) are installed with moving about on support (32), drive actuating cylinder (33) and locate on support (32) and power take off end with dog head (31) drive is connected, and insert piece (21) and insert under the state of locating socket (12), dog head (31) move to the route that breaks away from of insert piece (21) under the effect that drives actuating cylinder (33), and then the restriction insert piece (21) break away from locating socket (12).

7. The mold change jig of claim 6, wherein: the limiting mechanism (3) further comprises a connecting rod (34), the rear end of the connecting rod (34) is rotatably connected to the front end of the support (32) and extends forwards, the middle of the claw head (31) is rotatably mounted at the front end of the connecting rod (34), the first end of the claw head (31) is connected to an output shaft of the driving mechanism, the second end of the claw head (31) swings up and down relative to the insert block (21) under the action of the driving cylinder (33), and the second end of the claw head (31) abuts against the front end face of the insert block (21) when the claw head (31) swings down.

8. The mold changing jig as claimed in any one of claims 1 to 7, wherein: the cloth pressing device is characterized by further comprising a pressing mechanism, the pressing mechanism comprises a first pressing component (4) used for pressing the rear side edge of the cloth and a second pressing component (5) used for pressing the front side edge of the cloth, the first pressing component (4) is arranged on the fixed sleeve (1), and the second pressing component (5) is arranged at the end portion, far away from the fixed sleeve (1), of the movable sheet (2).

9. The mold change jig of claim 8, wherein: first material pressing component (4) include first base (41), driver (42) and clamp plate (43), first base (41) are located on fixed sleeve (1), the middle part of clamp plate (43) is installed with rotating on first base (41), the output shaft of driver (42) with the upper end of clamp plate (43) is rotated and is connected, so that its lower extreme is relative movable plate (2) luffing motion, and then presses the back side of cloth to establish the upper surface at movable plate (2) under the state of luffing motion.

10. The mold change jig of claim 9, wherein: the second pressing assembly (5) comprises a second base (51) and a pressing rod (52), the pressing rod (52) penetrates through the second base (51) and can slide along the second base (51) in a reciprocating mode, and a gap for accommodating the front side edge of the cloth is formed between the pressing rod (52) and the surface of the movable sheet (2) under the condition that the pressing rod (52) slides to extend out of the second base (51).

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