CN213767007U

CN213767007U - Water gap shearing device

Info

Publication number: CN213767007U
Application number: CN202022809878.3U
Authority: CN
Inventors: 薛培超; 陈月明; 张龙
Original assignee: Dongguan Qihai Industrial Co ltd
Current assignee: Dongguan Qihai Industrial Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-23
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a plastic processing technology field, more specifically say, it relates to mouth of a river shearing mechanism, and its technical scheme main points are: including L shape support, pneumatic scissors and tool, L shape support has mutual horizontal part and vertical portion, and tool detachably sets up in the horizontal part of support, and the standing groove that is used for supplying the back lid to put into is offered to the tool, and pneumatic scissors sets up in the tool bottom and stretches into the standing groove in, and the vertical portion of L shape support is used for being fixed in the make-up machine, is provided with first additional strengthening between the vertical portion of L shape support and the horizontal part, the utility model discloses a mouth of a river shearing mechanism can improve the efficiency of cutting off and reduce the defective rate at the back lid mouth of a river.

Description

Water gap shearing device

Technical Field

The utility model belongs to the technical field of the plastics processing technique and specifically relates to mouth of a river shearing mechanism.

Background

The rear cover is a common injection molding product, a water gap is easily formed in the rear cover in the injection molding process of the rear cover, the water gap refers to a joint part between a frame and a part when a model is cast, and is a communication port between thermalized liquid plastic and a flow channel, after the liquid plastic is cooled and solidified, the flow channel forms the frame, the plastic at the communication port of the frame and the product forms the water gap, and the water gap of the rear cover needs to be cut off at the moment so as to obtain the required rear cover.

The current common processing method is to demold the rear cover together with the frame after the rear cover is injection molded by a molding machine, the frame is connected with a product through a water gap during demolding, and then the water gap of the rear cover is cut off in a manual operation mode.

In view of the above-described related art, the inventors have considered that there are defects in that the gate cutting efficiency is low and the defect rate is high.

SUMMERY OF THE UTILITY MODEL

In order to improve the cutting efficiency of back lid mouth of a river and reduce the defective rate, this application provides mouth of a river shearing mechanism.

The application provides a mouth of a river shearing mechanism adopts following technical scheme:

mouth of a river shearing mechanism, including L shape support, pneumatic scissors and tool, L shape support has mutual horizontal part and vertical portion, tool detachably set up in the horizontal part of support, the standing groove that is used for supplying back lid to put into is offered to the tool, pneumatic scissors set up in the tool bottom just stretches into in the standing groove, L shape support vertical portion is used for being fixed in the make-up machine, L shape support vertical portion with be provided with first additional strengthening between the horizontal part.

Through adopting above-mentioned technical scheme, the back lid product shaping comes out the back, puts into the standing groove of tool with the product, and the pneumatic mouth of a river of cutting the back lid product is cuted, and the assembly line is put into to the back lid product again, and whole mouth of a river shearing process mechanization degree is high, compares in the manual shearing mouth of a river, has the effect that improves the efficiency of cutting off at the back lid mouth of a river and reduce the defective rate.

Preferably, the jig is provided with a connecting hole, the horizontal part of the L-shaped support is provided with a screw hole, a screw is connected between the jig and the horizontal part of the L-shaped support, and the screw penetrates through the connecting hole and is in threaded connection with the screw hole.

Through adopting above-mentioned technical scheme, the screw passes connecting hole and threaded connection behind the screw, and the screw makes the tool stably set up in the horizontal part of L shape support to through rotatory screw, can dismantle the tool and change.

Preferably, the jig is used for attaching one surface of the horizontal part of the L-shaped support to the jig, the horizontal part of the L-shaped support is used for providing one surface to which the jig is attached to be provided with an insertion hole, the side wall of the insertion rod is provided with a protrusion, the inner wall of the insertion hole is provided with a recess, and the protrusion is embedded into the recess.

Through adopting above-mentioned technical scheme, when the inserted bar inserted in the jack, the arch embedding jack inner wall of inserted bar lateral wall sunken to set up the tool in the horizontal part of L shape support fast, and through external force, easily separate the tool with the horizontal part of L shape support, thereby the dismouting of the tool of being convenient for.

Preferably, the protruding structure of inserted bar has two, the sunken bellied quantity that corresponds of jack has seted up two, the inserted bar has seted up the gap along its central line of direction of inserting, the gap will the inserted bar separation is first pole and the second pole of mutual interval, two the arch is constructed respectively in first pole deviates from one side of gap with the second pole deviates from one side of gap.

Through adopting above-mentioned technical scheme, the gap makes first pole and second pole easily be close to each other to but automatic re-setting has strengthened the deformability of inserted bar between first pole and the second pole, thereby the dismouting of the tool of further being convenient for.

Preferably, the side wall of the placing groove is provided with a material taking port, and the material taking port extends to the surface of the jig.

By adopting the technical scheme, the rear cover product after the water gap is cut can be conveniently taken out by arranging the material taking opening.

Preferably, a first reinforcing rib is connected between the vertical part and the horizontal part, and the vertical part, the horizontal part and the first reinforcing rib are triangular.

Through adopting above-mentioned technical scheme, first strengthening rib reinforcing vertical portion with the relation of connection between the horizontal part avoids easily warping between vertical portion and the horizontal part.

Preferably, the vertical portion has a frame shape.

Through adopting above-mentioned technical scheme, alleviateed the weight of vertical portion to the whole weight of L shape support has been alleviateed.

Preferably, a second reinforcing rib is configured in the vertical portion, and both ends of the second reinforcing rib are respectively connected to two opposite inner walls of the vertical portion.

Through adopting above-mentioned technical scheme, the structural strength that is the vertical portion of frame form can be strengthened in the setting of second strengthening rib, avoids vertical portion easily to warp.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the rear cover product is formed, the product is placed into a placing groove of a jig, the pneumatic shear shears the water gap of the rear cover product, and then the rear cover product is placed into a production line, the mechanical degree of the whole water gap shearing process is high, and compared with manual water gap shearing, the water gap shearing device has the effects of improving the cutting efficiency of the rear cover water gap and reducing the reject ratio;

2. after the screw penetrates through the connecting hole and is in threaded connection with the screw hole, the screw enables the jig to be stably arranged on the horizontal part of the L-shaped support, and the jig can be detached and replaced by rotating the screw;

3. when the inserted bar is inserted into the jack, the protrusion of the side wall of the inserted bar is embedded into the recess of the inner wall of the jack, so that the jig is quickly arranged on the horizontal part of the L-shaped support, and the jig is easily separated from the horizontal part of the L-shaped support through external force, thereby facilitating the disassembly and assembly of the jig.

Drawings

FIG. 1 is a schematic structural diagram of a water gap shearing device in an embodiment of the present application;

FIG. 2 is an exploded view of the structure of a water jet cutting device according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a jig and a horizontal portion according to a second embodiment of the present invention;

fig. 4 is a cross-sectional view of a fixture and a horizontal portion according to a third embodiment of the present invention.

Description of reference numerals: 1. an L-shaped bracket; 2. a horizontal portion; 21. a screw hole; 3. a vertical portion; 31. a fixing hole; 4. pneumatic shearing; 41. an L-shaped block; 5. a jig; 51. connecting holes; 52. a placement groove; 53. a material taking port; 61. a first reinforcing rib; 62. a second reinforcing rib; 71. inserting a rod; 72. a jack; 73. a gap.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses mouth of a river shearing mechanism.

First embodiment, referring to fig. 1 and 2, the nozzle shearing device includes an L-shaped bracket 1, a pneumatic shear 4 and a jig 5.

The L-shaped bracket 1 is a metal bracket to ensure the structural strength of the L-shaped bracket 1. The L-shaped bracket 1 has a mutual horizontal part 2 and a vertical part 3, the horizontal part 2 of the L-shaped bracket 1 being used for mounting a jig 5, and the vertical part 3 of the L-shaped bracket 1 being used for fixing to a forming machine. Specifically, the vertical portion 3 of the L-shaped bracket 1 is opened with a plurality of fixing holes 31, and the fixing holes 31 may be passed through screws to fix the vertical portion 3 to the molding machine, thereby fixing the nozzle shearing apparatus to the molding machine. Be provided with first additional strengthening between the vertical portion 3 of L shape support 1 and horizontal part 2, first additional strengthening is first strengthening rib 61, and in this embodiment, first strengthening rib 61 interval is provided with two, is triangle-shaped between vertical portion 3, horizontal part 2 and the first strengthening rib 61. The first reinforcing rib 61 reinforces the connection relationship between the vertical portion 3 and the horizontal portion 2, avoiding easy deformation between the vertical portion 3 and the horizontal portion 2.

Further, vertical portion 3 is the frame form, specifically is the rectangle frame form to the weight of vertical portion 3 has been alleviateed, thereby has alleviateed the whole weight of L shape support 1, makes this mouth of a river shearing mechanism more light. Constructed second strengthening rib 62 in vertical portion 3, the length direction of second strengthening rib 62 is parallel with the horizontal direction, and fixed connection is in two relative inner walls of vertical portion 3 respectively at the both ends of second strengthening rib 62, and second strengthening rib 62 can set up one, also can set up many, and the structural strength that is the vertical portion 3 of frame form can be strengthened in the setting of second strengthening rib 62, avoids vertical portion 3 easily to warp.

The jig 5 is substantially rectangular plate-shaped, and the jig 5 is detachably disposed on the horizontal portion 2 of the stand and is disposed at an end of the horizontal portion 2 away from the vertical portion 3. Specifically, a plurality of connecting holes 51 are respectively formed in two sides of the top of the jig 5, a plurality of screw holes 21 are respectively formed in two sides of the top of the horizontal portion 2 of the L-shaped bracket 1, and the screw holes 21 and the connecting holes 51 are consistent in number and arrangement. A plurality of screws (not shown) are connected between the jig 5 and the horizontal portion 2 of the L-shaped bracket 1, the number of the screws is the same as that of the connection holes 51, and the screws pass through the connection holes 51 and are screwed into the screw holes 21. After the screws pass through the connection holes 51 and are screwed into the screw holes 21, the screws stabilize the jig 5 on the horizontal portion 2 of the L-shaped bracket 1, and the jig 5 can be removed and replaced by rotating the screws.

The jig 5 is provided with a placing groove 52 for placing the rear cover, and the shape of the placing groove 52 is formed corresponding to the shape of the rear cover, so that the rear cover can be placed in the placing groove 52. In addition, the rear cover may be manually placed in the placement groove 52, or may be placed in the placement groove 52 by a robot. Furthermore, the material taking opening 53 is formed in two opposite long-edge inner walls of the placing groove 52, the material taking opening 53 is recessed from the inner wall of the placing groove 52 toward the jig 5, the material taking opening 53 extends to the surface of the jig 5, and the material taking opening 53 is convenient for taking out a rear cover product after cutting a water gap.

Pneumatic scissors 4 can still set up in tool 5 bottom and stretch into standing groove 52 with dismantling, and is concrete, and the bottom interval of tool 5 is fixed with two L-shaped pieces 41, and pneumatic scissors 4 accessible screw fixation is between two L-shaped pieces 41, and the gas port that is used for the air supply pipe to connect is offered to the bottom of pneumatic scissors 4, and the scissors at pneumatic scissors 4 top is by in the up standing groove 52 of stretching into down.

The implementation principle of the nozzle shearing device of the embodiment of the application is as follows: after the back lid product shaping comes out, put into tool 5's standing groove 52 with the product in, the mouth of a river of lid product is cuted after pneumatic scissors 4, and lid product is put into the assembly line after again, and whole mouth of a river shearing process mechanization degree is high, compares in the manual work and cuts the mouth of a river, has the effect that improves the efficiency of cutting off at the back lid mouth of a river and reduce the defective rate.

In the second embodiment, referring to fig. 3, the difference from the first embodiment is that an insertion rod 71 is fixedly disposed on one surface of the horizontal portion 2 of the L-shaped bracket 1, where the jig 5 is used for being attached to the horizontal portion 2, the insertion rod 71 is a plastic rod, the insertion rod 71 is a cylindrical rod, an insertion hole 72 is formed in one surface of the horizontal portion 2 of the L-shaped bracket 1, where the jig 5 is used for being attached to the horizontal portion, the insertion hole 72 is a circular hole corresponding to the insertion rod 71, a protrusion is formed on a side wall of the insertion rod 71, the protrusion is a circular protrusion, a recess is formed in an inner wall of the insertion hole 72, and when the insertion rod 71 is inserted into the insertion hole 72, the protrusion on the side wall of the insertion rod 71 is embedded into the recess in the inner wall of the insertion hole 72, so as to quickly dispose the jig 5 on the horizontal portion 2 of the L-shaped bracket 1, and easily separate the jig 5 from the horizontal portion 2 of the L-shaped bracket 1 by an external force, thereby facilitating the assembly and disassembly of the jig 5.

In the third embodiment, referring to fig. 4, the difference from the second embodiment is that two protrusions of the insertion rod 71 are formed, two recesses of the insertion hole 72 are formed corresponding to the two protrusions, a slit 73 is formed along a center line of the insertion rod 71 in the insertion direction, the slit 73 separates the insertion rod 71 into a first rod and a second rod which are spaced from each other, and the two protrusions are respectively formed on a side of the first rod facing away from the slit 73 and a side of the second rod facing away from the slit 73. The gap 73 enables the first rod and the second rod to be easily close to each other, and the first rod and the second rod can be automatically reset, so that the deformation capacity of the inserting rod 71 is enhanced, and the jig 5 can be further conveniently assembled and disassembled.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Mouth of a river shearing mechanism, its characterized in that: including L shape support (1), pneumatic scissors (4) and tool (5), L shape support (1) has mutual horizontal part (2) and vertical portion (3), tool (5) detachably set up in horizontal part (2) of L shape support (1), tool (5) are offered and are used for supplying standing groove (52) that the back lid put into, pneumatic scissors (4) set up in tool (5) bottom just stretches into in standing groove (52), L shape support (1) vertical portion (3) are used for being fixed in the make-up machine, L shape support (1) vertical portion (3) with be provided with first additional strengthening between horizontal part (2).

2. The nozzle shearing device of claim 1, wherein: the fixture (5) is provided with a connecting hole (51), the horizontal part (2) of the L-shaped support (1) is provided with a screw hole (21), a screw is connected between the fixture (5) and the horizontal part (2) of the L-shaped support (1), and the screw penetrates through the connecting hole (51) and is in threaded connection with the screw hole (21).

3. The nozzle shearing device of claim 1, wherein: tool (5) are used for laminating the one side of horizontal part (2) of L shape support (1) is provided with inserted bar (71), horizontal part (2) of L shape support (1) are used for supplying jack (72) have been seted up to the one side that tool (5) laminated, the lateral wall structure of inserted bar (71) has the arch, the inner wall of jack (72) has been seted up sunkenly, protruding embedding is sunken.

4. A nozzle shearing device as claimed in claim 3, wherein: the protruding structure of inserted bar (71) has two, two have been seted up to the sunken corresponding bellied quantity of jack (72), gap (73) have been seted up along its central line that inserts the direction to inserted bar (71), gap (73) will inserted bar (71) separation is first pole and the second pole of mutual interval, two the arch is constructed respectively in first pole deviates from one side of gap (73) and the second pole deviates from one side of gap (73).

5. A nozzle shearing device as claimed in any one of claims 2 to 4, wherein: a material taking opening (53) is formed in the side wall of the placing groove (52), and the material taking opening (53) extends to the surface of the jig (5).

6. A nozzle shearing device as claimed in any one of claims 2 to 4, wherein: a first reinforcing rib (61) is connected between the vertical part (3) and the horizontal part (2), and a triangle is formed between the vertical part (3) and the horizontal part (2) and the first reinforcing rib (61).

7. A nozzle shearing device as claimed in any one of claims 2 to 4, wherein: the vertical part (3) is frame-shaped.

8. The nozzle shearing device of claim 7, wherein: a second reinforcing rib (62) is constructed in the vertical part (3), and two ends of the second reinforcing rib (62) are respectively connected to two opposite inner walls of the vertical part (3).