CN218640434U - High-speed punching mechanism - Google Patents

Abstract

The utility model discloses a high-speed mechanism of punching a hole, including the support, be provided with the groove of wearing that supplies the coating material to pass on the support, the middle part of support is provided with die and die respectively in the upper and lower both sides of wearing the groove, be provided with two die heads on the die, the cooperation die head is provided with two nib on the die, be provided with the actuating mechanism that the drive die reciprocated on the support, the lower extreme a week of die head is provided with the sharp tooth that a plurality of arranged into the zigzag. The utility model discloses set up the lower extreme a week of die head into the zigzag, accessible tine pricks out a plurality of brokenly mouths on the coating material when punching a hole, then descends along with the die head, tine hypotenuse can expand the broken mouth of coating material, pricks out the round hole with the coating material until tine of a week, accomplishes the action of punching a hole, punches a hole with conventional shear type and replaces to prick the mouth formula and punch a hole, and the requirement is lower to the clearance precision of die and die, can not take place, and the quality of punching a hole is guaranteed to the tearing condition of coating material.

Description

High-speed punching mechanism

Technical Field

The utility model relates to a wrapping bag processing technology field especially relates to a high-speed mechanism of punching a hole.

Background

The wrapping bag is the container of common use in schedule life, and the manufacturing process of wrapping bag includes: the method comprises the steps of forming a bag bottom by folding a film material in half, then carrying out segmented heat sealing on the film material through a heat sealing mechanism to form bag side edges, cutting the heat-sealed middle part through a die cutting mechanism to form independent packaging bags, punching holes on the film material before heat sealing for the standable packaging bags, then carrying out heat sealing by folding in half again, enabling the pasting sides of the film material to be in contact with each other at the punching holes to carry out hot melt pasting, and further forming the standable bag bottom.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a high-speed mechanism of punching a hole to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the high-speed punching mechanism comprises a support, wherein a through groove for a film material to pass through is formed in the support, a punching die and a concave die are respectively arranged in the middle of the support on the upper side and the lower side of the through groove, two die heads are arranged on the punching die, two die holes are formed in the concave die in a matched mode, a driving mechanism for driving the punching die to move up and down is arranged on the support, and a plurality of sharp teeth which are arranged in a zigzag mode are arranged on the periphery of the lower end of each die head.

Further, the die head is arranged on the punching die through a die sleeve, the die head is hollow, a top head can move up and down in the die head, an elastic part tending to force the top head to move downwards is arranged in the die sleeve, and a limiting plate capable of pushing against the upper end of the die head is arranged on the top head.

Further, the die head is fixed on the die sleeve through a jackscrew.

Furthermore, a fixing groove is horizontally formed in the stamping die in a matched mode with the die sleeve, and the die sleeve is fixed to the fixing groove through bolts.

Furthermore, the die is detachably arranged on the support, a blanking box is arranged at the bottom of the die, and a discharge hole is formed in the blanking box.

Furthermore, a pressure plate is detachably arranged on the support at the lower side of the die, and the pressure plate is matched with the die head to be provided with two first guide holes.

Further, be provided with the second guiding hole on the support, the pressure flitch passes through the bolt fastening in second guiding hole department, is provided with the first spring that tends to force pressure flitch rebound between bolt and the second guiding hole, the cover that can reciprocate on the die is equipped with the clamping ring, and the upside and the die of clamping ring pass through second spring coupling.

Furthermore, a guide frame is arranged on the support, and a vertical rail is arranged on the guide frame in a matched mode with the punching die.

Furthermore, a long hole is horizontally formed in the punching die, the driving mechanism comprises an eccentric shaft and a driving device for driving the eccentric shaft to rotate, and a roller is arranged on the eccentric shaft in a manner of matching with the long hole.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses set up lower extreme a week of die head into the zigzag, accessible tine stings out a plurality of crevasses on the coating material when punching a hole, then along with the die head descends, the hypotenuse of tine can expand the coating material crevasse, pricks out the round hole with the coating material until the tine of a week, accomplishes the action of punching a hole, punches a hole with conventional shear type and replaces for pricking the mouth formula and punch a hole, and is lower to the clearance precision requirement of die and die, can not take place, and the quality of punching a hole is guaranteed to the tearing condition of coating material.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of the die and the cavity die according to the embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a perspective view of the driving mechanism and the die according to the embodiment of the present invention;

fig. 5 is a sectional view of the die according to the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

As shown in fig. 1 to 5, the high-speed punching mechanism according to this embodiment includes a support 1, a through slot 11 for a film material 4 to pass through is provided on the support 1, a die 2 and a female die 3 are respectively provided in the middle of the support 1 on the upper and lower sides of the through slot 11, the die 2 is provided with two die heads 21, the female die 3 is provided with two die holes 31 in cooperation with the die heads 21, the support 1 is provided with a driving mechanism 5 for driving the die 2 to move up and down, and a plurality of serrated teeth 22 arranged in a zigzag manner are provided around the lower end of the die head 21; the film 4 continuously passes through the through groove 11, the driving mechanism 5 drives the punch die 2 to move downwards to be matched with a die hole 31 of the female die 3, the die head 21 on the punch die 2 punctures the film 4 for a circle through the sharp teeth 22, the die head 21 continues to move downwards, the side edge of the sharp teeth 22 further expands the crevasses of the film 4 until the sharp teeth 22 of the circle prick the film 4 out of a round hole, the punching action is completed, the conventional shearing type punching is replaced by the pricking type punching, the requirement on the accuracy of the gap between the punch die 2 and the female die 3 is low, the situation that the film 4 is torn cannot occur, and the punching quality is ensured;

preferably, the die head 21 is arranged on the die 2 through a die sleeve 23, the die head 21 is hollow, a top head 24 is arranged in the die head 21 and can move up and down, an elastic member 25 tending to force the top head 24 to move down is arranged in the die sleeve 23, and a limit plate 241 capable of being pressed against the upper end of the die head 21 is arranged on the top head 24; the elastic part 25 is a spring, the limiting plate 241 is supported at the upper end of the die head 21 to limit the bottommost part of the downward movement of the ejector 24, after the sharp teeth 22 on the die head 21 punch the film material 4 out of the circular hole, the film at the circular hole can be stacked in the middle of the bottom of the die head 21, after a certain amount of film is stacked, the die head 21 continues to move downward to punch, so that the film upwards jacks the ejector 24, the ejector 24 compresses the spring, and the spring can downwards push the ejector 24 through elasticity, so that the stacked film is pushed out, and the influence of excessive stacking on punching is prevented;

preferably, the die head 21 is fixed on the die sleeve 23 through a top thread, and the top thread is arranged on two sides of the die sleeve 23;

preferably, the fixing groove 26 is horizontally arranged on the punching die 2 in a manner of matching with the die sleeves 23, the die sleeves 23 are fixed at the position of the fixing groove 26 through bolts, the distance between the two die sleeves 23 can be adjusted left and right on the fixing groove 26, the two die sleeves 23 are adapted to different specifications of film materials 4 for punching, correspondingly, the female die 3 can be adapted for replacement, and the two die holes 31 on the female die 3 correspond to the die head 21;

preferably, the female die 3 is detachably arranged on the support 1, the female die 3 can be fixed on the support 1 through bolts, a blanking box 32 is arranged at the bottom of the female die 3, a discharge hole 33 is formed in the blanking box 32, and a negative pressure device can be connected to the discharge hole 33 for sucking air to suck the cut diaphragm out;

preferably, a pressure plate 7 is detachably arranged on the support 1 at the lower side of the die 2, two first guide holes 71 are formed in the pressure plate 7 in cooperation with the die head 21, the pressure plate 7 can guide the film 4, excessive deformation of the film 4 is prevented in the punching process, the first guide holes 71 can guide the die head 21, the accuracy of the die head 21 in falling is improved, and the die head 21 is prevented from colliding with the female die 3;

preferably, the bracket 1 is provided with a second guide hole, the pressure plate 7 is fixed at the second guide hole through a bolt, a first spring 72 tending to force the pressure plate 7 to move upwards is arranged between the bolt and the second guide hole, the die head 21 is sleeved with a press ring 27 capable of moving upwards and downwards, and the upper side of the press ring 27 is connected with the die 2 through a second spring 28; when the die 2 moves downwards, the pressing ring 27 firstly contacts the material pressing plate 7, the material pressing plate 7 is pressed downwards until the material pressing plate 7 presses the film material 4, then the die 2 continues to move downwards, the pressing ring 27 is supported by the material pressing plate 7 to compress the second spring 28, the die head 21 punches the film material 4 after passing through the first guide hole 71, and the punching accuracy can be improved when the material pressing plate 7 presses the film material 4, so that the film material 4 is prevented from deforming;

preferably, the support 1 is provided with a guide frame 6, the guide frame 6 is provided with a vertical rail 62 matched with the punch die 2, and the punch die 2 can move up and down on the vertical rail 62;

preferably, the die 2 is horizontally provided with a long hole 28, the driving mechanism 5 comprises an eccentric shaft 51 and a driving device 52 for driving the eccentric shaft 51 to rotate, a roller is arranged on the eccentric shaft 51 in a manner of matching with the long hole 28, the driving device 52 is a motor, the motor drives the eccentric shaft 51 to rotate, so that the roller rolls left and right in the long hole 28, and meanwhile, the roller drives the die 2 to move up and down through the long hole 28, so that the die 2 can rapidly move up and down in a reciprocating manner, and compared with the way that the die 2 is driven by a cylinder to move up and down, the motor driving manner is faster and more efficient.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (9)

1. A high-speed mechanism of punching a hole which characterized in that: the die comprises a support, wherein a through groove for a film material to pass through is formed in the support, a stamping die and a female die are respectively arranged in the middle of the support on the upper side and the lower side of the through groove, two die heads are arranged on the stamping die, two die holes are formed in the female die in a matched mode, a driving mechanism for driving the stamping die to move up and down is arranged on the support, and a plurality of sharp teeth which are arranged in a zigzag mode are arranged on the periphery of the lower end of each die head.

2. The high-speed punching mechanism of claim 1, wherein: the die head is arranged on the punching die through a die sleeve, the die head is hollow, a top head can move up and down in the die head, an elastic part tending to force the top head to move downwards is arranged in the die sleeve, and a limiting plate capable of pushing against the upper end of the die head is arranged on the top head.

3. A high-speed punching mechanism according to claim 2, wherein: the die head is fixed on the die sleeve through a jackscrew.

4. A high-speed punching mechanism according to claim 2, wherein: the die is provided with a fixing groove in a horizontal mode in a matched mode with the die sleeve, and the die sleeve is fixed to the fixing groove through bolts.

5. The high-speed punching mechanism of claim 1, wherein: the die is detachably arranged on the support, a blanking box is arranged at the bottom of the die, and a discharge hole is formed in the blanking box.

6. The high-speed punching mechanism of claim 1, wherein: a material pressing plate is detachably arranged on the lower side of the die on the support, and the material pressing plate is matched with the die head and provided with two first guide holes.

7. The high-speed punching mechanism of claim 6, wherein: the die is characterized in that a second guide hole is formed in the support, the pressure plate is fixed to the second guide hole through a bolt, a first spring tending to force the pressure plate to move upwards is arranged between the bolt and the second guide hole, a compression ring is sleeved on the die head and can move up and down, and the upper side of the compression ring is connected with the die through the second spring.

8. The high-speed punching mechanism of claim 1, wherein: the support is provided with a guide frame, and the guide frame is provided with a vertical rail in a matching mode with the punching die.

9. A high-speed punching mechanism according to claim 1, wherein: the punching die is horizontally provided with a long hole, the driving mechanism comprises an eccentric shaft and a driving device for driving the eccentric shaft to rotate, and the eccentric shaft is provided with a roller in a manner of matching with the long hole.

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