CN109927253A - A kind of water dividing gap fixture - Google Patents

Abstract

The present invention relates to mouth of a river tooling and fixture technical field, and in particular to a kind of water dividing gap fixture.Including upper clamping fixture and lower clamping fixture, the lower clamping fixture is equipped with product profiling positioning plate, the injection molding upper mold includes: online pressing plate, cutter briquetting, cutter support frame and product scraping wings, the online pressing plate is slidably connected by guide post and the cutter support frame, the product scraping wings is fixed at below cutter support frame, the product scraping wings bottom surface is equipped with product profiling chamber, angle cutter is equipped between the online pressing plate and cutter support frame, straight mouth cutter and back mouth cutter, the angle cutter and the straight mouth cutter are fixedly connected with cutter support frame.The present invention is separated the upper slitter of water dividing gap with online pressing plate by bold design, disposably three kinds of different types of mouths of a river can be cut off by the way that cutter briquetting is arranged on online pressing plate, the glutinous mouth of a river will not be glued by the cooperation mouth of a river upper slitter of binder spring, limited post and guide post.

Description

A water-cutting fixture

technical field

The invention relates to the technical field of nozzle tooling fixtures, in particular to a nozzle cutting fixture.

Background technique

For general injection molded parts, a simple runner structure is set in the pouring mold to cut the runner. When the number of runners is large, the punching fixture is used for shearing, but for products with various types of runners, it is necessary to pass The product is fixed at different angles and then the nozzle is cut, so the efficiency of the nozzle is extremely low, and it is difficult to cut the oblique opening cleanly. Parallel nozzles, nozzles at a certain angle to the panel, and nozzles below the panel, multiple nozzles of different types are connected together to form nozzle strips. If the nozzles are removed one by one, the uncut nozzles are easily affected by gravity. The panel is pulled and deformed. Since the contact surface between the panel and the nozzle is not placed horizontally, but has a certain arc angle, the contact between the nozzle and the panel under the panel also has a certain inclination angle. There are many different types of nozzles for this type of product. How to quickly cut it is problems that need to be solved urgently.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies and defects of the prior art, and to provide a nozzle jig capable of quickly cutting off various types of nozzles.

The purpose of this invention is to realize through the following technical solutions:

A water-cutting fixture includes a fixture upper die and a fixture lower die, the fixture lower die is provided with a product profiling positioning plate, and the injection molding upper die comprises: an online pressure plate, a tool pressure block, a tool support frame and a product pusher plate , the online pressure plate is slidably connected with the tool support frame through the guide column, the product pusher plate is fixedly arranged under the tool support frame, the bottom surface of the product pusher plate is provided with a product profiling cavity, and the online pressure plate A bevel cutter, a straight cutter and a back cutter are arranged between the cutter support and the bevel cutter, and the bevel cutter and the straight cutter are fixedly connected with the cutter support, and the back cutter passes through the cutter support and finally It is fixedly connected with the product ejector plate, and the tool pressing block is arranged on the online pressing plate directly above the back tool.

Specifically, the bevel cutter includes: a bevel guide sleeve and an bevel upper knife, the bevel guide sleeve is provided with an inclined hole, the bevel upper knife passes through the bevel hole, and the bevel upper knife is provided with a top end. There is a sloping top block, and an elastic piece is also arranged between the sloping top block and the slanted guide sleeve; the straight-mouthed cutter includes: a straight-mouthed guide sleeve and a straight-edged upper knife, and a straight hole is arranged in the straight-mouthed guide sleeve , the straight upper knife passes through the straight hole, the top of the straight upper knife is provided with a straight top block, and an elastic member is also arranged between the straight top block and the straight port guide sleeve; the back knife includes: The back guide sleeve and the back knife, the back guide sleeve is provided with a back hole, the back knife passes through the back hole, the top of the back knife is provided with a back top block, and the back top block There is also an elastic member between the guide sleeve and the back guide sleeve, the straight upper knife is perpendicular to the tool support frame, the oblique upper knife and the tool support frame are at 45° to 90°, and the back upper knife and the tool support frame are At an angle of 0° to 45°, the tool support frame and the product ejector plate are provided with accommodating grooves for accommodating the tool pressing blocks.

Specifically, the oblique top knife, the straight top knife and the back top knife are all smooth planes on the contact surface with the product, and the oblique top knife, the straight top knife and the back top knife are in contact with the product. The non-contact surface is provided with a shear surface which is at an acute angle to the smooth plane.

Specifically, the lower mold of the clamp includes: an online fixing plate and a product profiling positioning plate arranged above the online fixing plate, the profiling positioning plate is provided with a cavity inside, and the nozzle elastic column is arranged in the cavity The nozzle elastic material column is provided with a nozzle push spring, and the cavity is also provided with a nozzle lower knife, and the nozzle lower knife is provided with a clamping piece for holding the nozzle waste.

Specifically, the product profiling positioning plate is provided with a product elastic needle.

Specifically, the product profiling positioning plate is provided with a positioning column passing through the product through hole, and the product ejecting plate is provided with a positioning hole for accommodating the positioning column.

Specifically, the tool support frame is provided with a pressing column, the outer casing of the pressing column is provided with a pressing spring, and the online pressing plate is provided with a pressing hole for accommodating the pressing column.

Specifically, the tool support frame is further provided with a limit column.

Specifically, the online fixing plate is provided with a guide sleeve matched with the guide post.

Compared with the prior art, the present invention includes the following advantages and beneficial effects:

(1) The present invention separates the upper knife used for cutting the nozzle from the online pressure plate through bold design, and can cut off three different types of nozzles at one time by setting the tool pressure block on the online pressure plate. The upper knife of the nozzle matched with the guide post will not stick to the nozzle. By setting the nozzle push spring and the product elastic needle, the product and nozzle can be easily separated from the online fixing plate and easy to take out.

(2) In the present invention, the product can be positioned quickly by setting the product profiling positioning plate, and by setting the positioning column, the precise positioning of the product and the product profiling positioning board can be ensured.

Description of drawings

Figure 1 is an exploded view of the present invention.

FIG. 2 is a cross-sectional view of the bevel cutter and the back cutter of the present invention.

FIG. 3 is a cross-sectional view of the straight edge cutter of the present invention.

Detailed ways

The present invention will be described in further detail below with reference to the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in Fig. 1 to Fig. 3 , a runner fixture includes an upper fixture die and a fixture lower die, the fixture lower die is provided with a product profiling positioning plate 10, and the injection molding upper die includes: an on-line pressure plate 1, a cutter The pressing block 2, the tool support frame 3 and the product 14 pusher plate 21, the online pressure plate 1 is slidably connected to the tool support frame 3 through a guide column 17, and the guide column 17 is provided with a limit under the tool support frame 3 The guide head of the tool support frame 3, the product 14 ejector plate 21 is fixedly arranged under the tool support frame 3, the product 14 ejector plate 21 is provided with a product 14 profiling cavity on the bottom surface, the online pressure plate 1 and There are beveled cutters, straight cutters and back cutters between the cutter supports 3, the bevel cutters and the straight cutters are fixedly connected with the cutter support 3, and the back cutters pass through the cutter support 3. Finally, it is fixedly connected with the product 14 pushing plate 21, and the tool pressing block 2 is arranged on the online pressing plate 1 directly above the back cutting tool. The oblique cutter is used to cut the runner 15 at a certain angle to the panel, the straight cutter is used to cut the runner 15 parallel to the panel, and the back cutter is used to cut the runner 15 under the panel. The upper setting of the cutter pressing block 2 can cut off three different types of nozzles 15 at one time.

Specifically, the beveled cutter includes: a beveled guide sleeve 20 and an beveled upper knife 19, the beveled guide sleeve 20 is provided with an inclined hole, the beveled upper knife 19 passes through the inclined hole, and the beveled upper knife 19 passes through the beveled hole. The top of the upper knife 19 is provided with an inclined top block, and an elastic member 18 is also arranged between the inclined top block and the inclined guide sleeve 20; the straight knife includes: a straight guide sleeve 22 and a straight upper knife 23. A straight hole is provided in the straight guide sleeve 22 , the straight upper knife 23 passes through the straight hole, and the top of the straight upper knife 23 is provided with a straight top block, between the straight top block and the straight guide sleeve 22 An elastic member 18 is also provided; the back tool includes: a back guide sleeve 24 and a back upper knife 25, the back guide sleeve 24 is provided with a back hole, and the back upper knife 25 passes through the back hole , the top of the upper back knife 25 is provided with a back top block, an elastic member 18 is also provided between the back top block and the back port guide sleeve 24, the straight top knife 23 is perpendicular to the tool support frame 3, the The oblique upper knife 19 and the tool support frame 3 are at 45° to 90°, the back face upper knife 25 and the tool support frame 3 are at 0° to 45°, and the tool support frame 3 and the product 14 are on the pusher plate 21 There is an accommodating groove for accommodating the tool pressing block 2 . The elastic member 18 is a retraction compression spring. The oblique knife, straight knife and back knife are all designed through modularization, which is conducive to the replacement of tools. For different types of products14, it can be used by directly replacing different types of oblique knife, straight knife and back knife. Conveniently, there are elastic pieces 18 inside the inclined cutters, straight cutters and back cutters. When the runner 15 is cut, the elastic piece 18 retracts the cutter back to the original position, and the runner 15 will not stick to the knife, which is beneficial to the runner. 15 is taken out, and it is convenient to cut the water port 15 next time.

Specifically, the contact surfaces of the oblique upper knife 19 , the straight upper knife 23 and the back upper knife 25 and the product 14 are all smooth planes, and the oblique upper knife 19 , the straight upper knife 23 and the back The non-contact surface of the upper knife 25 and the product 14 is provided with a shearing surface that forms an acute angle with the smooth plane. The straight top knife 23 and the back top knife 25 and the contact surface of the product 14 are smooth planes, which can ensure that the nozzle 15 can be cut cleanly and the product 14 will not be scratched. The non-contact surface of the upper back knife 25 and the product 14 is provided with a shearing surface that forms an acute angle with the smooth plane, so that the knife edge is sharper and the nozzle 15 is more easily cut off.

Specifically, the lower mold of the clamp includes: an online fixing plate 12 and a product profiling positioning plate 10 arranged above the online fixing plate 12, the profiling positioning plate is provided with a cavity inside, and the cavity is provided with a nozzle The elastic material column 8, the nozzle elastic material column 8 is provided with a nozzle pushing spring 6, the cavity is also provided with a nozzle 15 lower knife, and the nozzle 15 lower knife is provided with a clip for holding the waste of the nozzle 15 Hold the tablet. The nozzle push spring 6 can separate the nozzle 15 from the nozzle elastic column 8 to facilitate the removal of the nozzle 15 . The lower knife of the nozzle 15 can clamp the waste of the nozzle 15 on the lower knife of the nozzle 15, and fix the positional relationship of the waste of the nozzle 15, which is convenient for the robot to locate and remove the waste of the nozzle 15.

Specifically, the product profiling positioning plate 10 is provided with a product 14 elastic needle 9 . When the upper knife cuts off the nozzle 15, the product 14 pusher plate 21 easily presses the product 14 on the product profiling positioning plate 10, and the product 14 can be separated from the product profiling positioning plate 10 by setting the product 14 elastic needle 9. Product 14 is easier to remove.

Specifically, the product profiling positioning plate 10 is provided with positioning posts 31 passing through the through holes of the product 14 , and the product 14 pushing plate 21 is provided with positioning holes 32 for accommodating the positioning posts 31 . The positioning column 31 is used to locate the position of the product 14 to ensure that the nozzle 15 can be accurately cut.

Specifically, the tool support frame 3 is provided with a material-pressing column 5 , the outer layer of the material-pressing column 5 is provided with a material-pressing spring 4 , and the in-line pressure plate 1 is provided with a material-holding hole for accommodating the material-pressing column 5 . When the on-line pressure plate 1 and the tool pressing block 2 are about to squeeze the upper knife, the on-line pressure plate 1 starts to fix the product 14 in the profiling cavity of the product 14 by pressing the pressing spring 4. Since the lower mold of the fixture has a product profiling positioning plate 10, when the product 14 and the product profiling positioning plate 10 are not completely attached, because the product profiling positioning plate 10 has a certain arc, the product 14 pusher plate 21 pushes down the product 14, and the product 14 will pass through the product profiling positioning plate The radian of 10 can be adjusted by itself to complete precise positioning. The pressing spring 4 can also enable the oblique upper knife 19 , the straight upper knife 23 and the back upper knife 25 to cut the nozzle 15 of the product 14 at a slow speed, which can avoid the formation of burrs on the product 14 .

Specifically, the cutter support frame 3 is further provided with a limiting column 16 . By setting the limit post 16, the oblique upper knife 19, the straight upper knife 23 and the back upper knife 25 can stop cutting the nozzle 15 immediately, preventing the oblique upper knife 19, the straight upper knife 23 and the back opening. The knife 25 overcuts the cut product 14 .

Specifically, the online fixing plate 12 is provided with a guide sleeve 13 which is matched with the guide post 17 . By arranging the guide sleeve 13, the guide post 17 can be matched with the guide sleeve 13 to ensure that the positional relationship between the online pressing plate 1, the tool support frame 3, the product 14 ejecting plate 21 and the online fixing plate 12 remains unchanged each time, thereby ensuring that the Quality of product 14.

The specific implementation process of the present invention is as follows:

The runner 15 fixture is installed in the universal runner 15 device, and the product 14 with the runner 15 is placed on the product profiling positioning plate 10 by the manipulator, so that the positioning column 31 passes through the through hole of the product 14 to complete the positioning of the product 14. Start the water-cutting port 15 device, the cylinder in the water-cutting port 15 device presses down the online pressure plate 1 and drives the tool support frame 3 and the product 14 ejector plate 21 to move down, when the product 14 ejector plate 21 covers the product 14 When the air cylinder continues Drive the online pressure plate 1 to press down, at this time, the guide post 17 extends out of the online pressure plate 1. When the cylinder drives the online pressure plate 1 against the pressing spring 4, the product 14 pusher plate 21 presses the product 14 into the profiling cavity of the product 14. , the elastic needle 9 of the product 14 is squeezed into the product profiling positioning plate 10, and the positioning column 31 is matched with the positioning hole 32. Since the product profiling positioning plate 10 has an arc, the product 14 is fine-tuned on the product profiling positioning plate 10 and finally To achieve precise positioning, the cylinder continues to drive the online pressure plate 1 to squeeze the inclined upper knife 19 of the inclined knife and the straight upper knife 23 of the straight knife. The tool pressing block 2 squeezes the back knife 25 of the back knife. The upper knife 19 passes through the product 14 pusher plate 21 to cut off the nozzle 15 at a certain angle to the panel, the straight upper knife 23 passes through the product 14 ejector plate 21 to cut off the nozzle 15 parallel to the panel, and the oblique upper knife 19 The nozzle 15 below the panel is cut through the ejector plate 21 of the product 14, and the guide post 17 extends into the guide sleeve 13. After the cutting is completed, the nozzle 15 is clamped by the lower knife of the nozzle 15, and the limit post 16 is against the online pressure plate. 1, so that the online pressure plate 1 cannot continue to move down. At this time, the cylinder drives the online pressure plate 1 to move up. Affected by the restoring force, the elastic member 18 pushes the upper blade 19 on the oblique mouth, the upper blade 23 on the straight side and the upper blade 25 on the back to the original position, and The waste material of the nozzle 15 is still between the lower knife clamping pieces of the nozzle 15. The cylinder drives the in-line pressure plate 1 to continue to move up. The material plate 21 is separated from the product 14, the nozzle push spring 6 will separate the nozzle 15 from the nozzle elastic column 8, the product 14 elastic needle 9 will separate the product 14 from the product profiling positioning plate 10, and then the product is separated by the robot. 14 and runner 15 waste are removed, and the runner 15 is cut off once, and the reciprocating action is completed.

The above-mentioned embodiments only represent the embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (9)

1. a kind of water dividing gap fixture, including upper clamping fixture and lower clamping fixture, the lower clamping fixture is equipped with product profiling positioning plate, It is characterized in that, the injection molding upper mold includes: online pressing plate, cutter briquetting, cutter support frame and product scraping wings, the online pressure Plate is slidably connected by guide post and the cutter support frame, and the product scraping wings is fixed at below cutter support frame, institute Product scraping wings bottom surface is stated equipped with product profiling chamber, angle cutter, straight is equipped between the online pressing plate and cutter support frame Mouth cutter and back mouth cutter, the angle cutter and the straight mouth cutter are fixedly connected with cutter support frame, the back mouth knife Tool is finally fixedly connected with the product scraping wings across cutter support frame, and the cutter briquetting setting is right above back mouth cutter Online pressing plate on.

2. a kind of water dividing gap fixture according to claim 1, which is characterized in that the angle cutter includes: angle guiding Set and angle upper slitter, the angle guide sleeve is interior to be equipped with inclined hole, and the angle upper slitter passes through the inclined hole, angle upper slitter top End is equipped with slanted kicking block, is additionally provided with elastic component between the slanted kicking block and angle guide sleeve；The straight mouth cutter includes: straight mouth guiding Set and straight mouth upper slitter, the straight mouth guide sleeve is interior to be equipped with straight hole, and the straight mouth upper slitter passes through the straight hole, the straight mouth upper slitter top End is equipped with straight jacking block, is additionally provided with elastic component between the straight jacking block and straight mouth guide sleeve；The back mouth cutter includes: back mouth guiding Set and back mouth upper slitter, the back mouth guide sleeve is interior to be equipped with dorsal pore, and the back mouth upper slitter passes through the dorsal pore, back mouth upper slitter top End is equipped with back jacking block, is additionally provided with elastic component, the straight mouth upper slitter and cutter support frame between the back jacking block and back mouth guide sleeve Perpendicular, the angle upper slitter and cutter support frame are in 45 °~90 °, and the back mouth upper slitter and cutter support frame are in 0 °~45 °, The cutter support frame and the product scraping wings are equipped with the holding tank for accommodating cutter briquetting.

3. a kind of water dividing gap fixture according to claim 2, which is characterized in that the angle upper slitter, the straight mouth upper slitter It is being smooth flat with product contact surface with the back mouth upper slitter, the angle upper slitter, the straight mouth upper slitter and the back mouth Upper slitter is being equipped with the shear surface at an acute angle with the smooth flat with the non-contact face of product.

4. a kind of water dividing gap fixture according to claim 1, which is characterized in that the lower clamping fixture includes: online fixation Plate and the product profiling positioning plate being arranged in above online fixed plate, the profiling positioning plate inside are equipped with cavity, the cavity It is interior to be equipped with mouth of a river lastics column, it is equipped with pusher spring in the mouth of a river in the mouth of a river lastics column, is additionally provided with the mouth of a river in the cavity and cuts, institute It states the mouth of a river and cuts the clamping piece for being equipped with clamping gate waste.

5. a kind of water dividing gap fixture according to claim 1, it is characterised in that: the product profiling positioning plate, which is equipped with, to be produced Product lastics needle.

6. a kind of water dividing gap fixture according to claim 1, it is characterised in that: the product profiling positioning plate is equipped with and wears The positioning column of product through-hole is crossed, the product scraping wings is equipped with the location hole for accommodating positioning column.

7. a kind of water dividing gap fixture according to claim 1, it is characterised in that: the cutter support frame is equipped with binder Column, the binder column are arranged with binder spring outside, and the online pressing plate is equipped with the binder hole for accommodating binder column.

8. a kind of water dividing gap fixture according to claim 1, it is characterised in that: be additionally provided with limit on the cutter support frame Column.

9. a kind of water dividing gap fixture according to claim 1, it is characterised in that: the online fixed plate is equipped with and guide post The guide sleeve of cooperation.