CN213291103U

CN213291103U - Positioning and clamping device in injection mold

Info

Publication number: CN213291103U
Application number: CN202021149429.4U
Authority: CN
Inventors: 彭志强; 谭培军
Original assignee: Yantai Jingrui Mold Co ltd
Current assignee: Yantai Jingrui Mold Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-28
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a location clamping device among injection mold, including base and clamping device, the top fixedly connected with lower mould of base, the top fixedly connected with slide bar of base, the one end fixedly connected with roof of base is kept away from to the slide bar, the bottom fixedly connected with cylinder of roof, the other end fixedly connected with of cylinder goes up the mould, clamping device includes the fixed frame of first fixed frame and second, fixedly connected with gear in the first fixed frame, it is provided with the ratch to alternate in the first fixed frame. Through the joint setting of devices such as gear, ratch, first movable rod, stopper, make and go up mould and lower mould and realize that high efficiency is tight under the effect of the fixed frame of first fixed frame and second internal part to can be quick will go up the accurate fixing of mould on the lower mould, make the accurate high efficiency of joint location, improve machining efficiency, excellent in use effect avoids pressing from both sides tight effect poor and leads to the problem that product quality descends.

Description

Positioning and clamping device in injection mold

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to positioning and clamping device among injection mold.

Background

The injection mold is a tool for producing plastic products and is also a tool for endowing the plastic products with complete structures and accurate sizes; injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for obtaining a formed product by injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure and cooling and solidifying the plastic.

However, the existing mold is not provided with a positioning and clamping device, and is generally fixed through a fixing screw, so that the processing efficiency is low, the existing clamping device is inconvenient to mount and dismount, and much time is wasted in mounting and dismounting, so that the positioning and clamping device in the injection mold is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning and clamping device among injection mold to the positioning and clamping device who proposes among the current injection mold among the above-mentioned background art is in the use, because current injection mold is inconvenient presss from both sides tightly, and clamping device is inconvenient to be installed and dismantles, thereby leads to the problem of extravagant manpower and materials.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioning and clamping device among injection mold, includes base and clamping device, the top fixedly connected with lower mould of base, the top fixedly connected with slide bar of base, the one end fixedly connected with roof of base is kept away from to the slide bar, the bottom fixedly connected with cylinder of roof, the other end fixedly connected with of cylinder goes up the mould.

Clamping device includes the fixed frame of first fixed frame and second, fixedly connected with gear in the first fixed frame, it is provided with the ratch to alternate in the first fixed frame, the one end fixedly connected with fixed block of ratch, it is provided with first movable rod all to alternate on the both sides inner wall of fixed block, the first dead lever of fixedly connected with on the outer wall of first movable rod, first spring has been cup jointed in the outside of first movable rod, the first electromagnetic block of equal fixedly connected with on the both sides inner wall of fixed block, fixedly connected with second electromagnetic block on the one side outer wall that first dead lever is close to first electromagnetic block, first electromagnetic block and second electromagnetic block electric connection, the inner wall bottom fixedly connected with bracing piece of the fixed frame of second, the one end fixedly connected with stopper of second fixed frame bottom inner wall is kept away from to the bracing piece.

Preferably, fixedly connected with second dead lever on clamping device's one side outer wall, swing joint has the kelly on the outer wall of second dead lever, the lower mould is with the fixed frame of the equal fixedly connected with third in last mould inner wall one side, fixedly connected with third spring on the inner wall of the fixed frame of third, fixedly connected with second movable rod on the third spring, the one end fixedly connected with movable block of third spring is kept away from to the second movable rod.

Preferably, the outer walls of the two sides of the upper die are fixedly connected with sliding blocks, and the upper die is connected with the sliding rod in a sliding mode through the sliding blocks.

Preferably, the first fixing frame and the second fixing frame are respectively and fixedly connected to the outer walls of the two sides of the upper die and the lower die.

Preferably, the teeth of the gear are engaged with the teeth arranged on the outer wall of the rack bar, and the first fixing frame is provided with a through hole for the movement of the rack bar.

Preferably, a movable groove matched with the limiting block is formed in the fixing block.

Preferably, fixedly connected with second spring between the outer wall of kelly and second dead lever, set up the recess with movable block looks adaptation on the kelly, the kelly passes through the recess joint with the movable block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the joint setting of devices such as gear, ratch, first movable rod, stopper, make and go up mould and lower mould and realize that high efficiency is tight under the effect of the fixed frame inner part of first fixed frame and second to can be quick will go up the accurate fixing of mould on the lower mould, the accurate high efficiency in joint location improves machining efficiency, excellent in use effect avoids pressing from both sides tight effect poor and leads to the problem that product quality descends.

2. Under the cooperation of devices such as movable block, kelly, second dead lever, when clamping device was dismantled to needs, outwards pulling clamping device made two kellies paste tightly under the extrusion of movable block to extract the second dead lever, accomplish the dismantlement, made things convenient for installation and the dismantlement to clamping device, when avoiding changing the mould, clamping device can not continue to use, thereby can carry out cyclic utilization to clamping device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the clamping device of the present invention;

fig. 3 is a schematic perspective view of the first movable rod of the present invention;

FIG. 4 is a schematic view of a cutting structure at the lower die of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a base; 2. a lower die; 3. a slide bar; 4. a top plate; 5. a cylinder; 6. a lower die; 7. a slider; 8. a clamping device; 81. a first fixed frame; 82. a second fixed frame; 83. a gear; 84. a rack bar; 85. a fixed block; 86. a movable groove; 87. a first movable bar; 88. a first fixing lever; 89. a first spring; 810. a first electromagnetic block; 811. a second electromagnetic block; 812. A support bar; 813. a limiting block; 9. a second fixing bar; 10. a clamping rod; 11. a second spring; 12. a third fixed frame; 13. a third spring; 14. a second movable bar; 15. a movable block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a positioning and clamping device in an injection mold comprises a base 1 and a clamping device 8, wherein the top of the base 1 is fixedly connected with a lower mold 2, the top of the base 1 is fixedly connected with a slide rod 3, one end of the slide rod 3, which is far away from the base 1, is fixedly connected with a top plate 4, the bottom of the top plate 4 is fixedly connected with a cylinder 5, the other end of the cylinder 5 is fixedly connected with an upper mold 6, the clamping device 8 comprises a first fixed frame 81 and a second fixed frame 82, a gear 83 is fixedly connected in the first fixed frame 81, a toothed bar 84 is inserted and arranged in the first fixed frame 81, one end of the toothed bar 84 is fixedly connected with a fixed block 85, first movable rods 87 are inserted and arranged on the inner walls of two sides of the fixed block 85, a first fixed rod 88 is fixedly connected on the outer wall of the first movable rod 87, a first spring 89 is sleeved on the outer side of the first movable rod, first dead lever 88 is close to fixedly connected with second electromagnetism piece 811 on the one side outer wall of first electromagnetism piece 810, first electromagnetism piece 810 and second electromagnetism piece 811 electric connection, the inner wall bottom fixedly connected with bracing piece 812 of the fixed frame 82 of second, the one end fixedly connected with stopper 813 of the fixed frame 82 bottom inner wall of second is kept away from to bracing piece 812, when needs will go up mould 6 and lower mould 2 and part time, for first electromagnetism piece 810 and the circular telegram of second electromagnetism piece 811, make first electromagnetism piece 811 be close to with second electromagnetism piece 812, thereby make the outside motion of first movable rod 87, start gear 83 reverse motion, can accomplish the breaking away from between two moulds.

In this embodiment, drive rack bar 84 through starting gear 83 and to the fixed frame 82 internal motion of second, make stopper 813 move to movable groove 86 in, when fixed block 85 moves to being close to stopper 813, the first movable rod 87 of both sides receives the extrusion of stopper 813, to the direction motion of keeping away from stopper 813, when first movable rod 87 moves to the bottom of stopper 813, make gear 83 stop motion, stopper 813 blocks first movable rod 87, thereby make the fixed frame 82 chucking of first fixed frame 81 and second, and then make and go up mould 6 and lower mould 2 and press from both sides tightly, thereby can be quick will go up the accurate fixing of mould 6 on lower mould 2, thereby make two mould chucking, make the accurate high efficiency in location, and the improvement machining efficiency, avoid pressing from both sides tight effect poor and lead to the problem that product quality descends.

Specifically, fixedly connected with second dead lever 9 on the outer wall of one side of clamping device 8, swing joint has kelly 10 on the outer wall of second dead lever 9, lower mould 2 and the fixed frame 12 of equal fixedly connected with third of 6 inner wall one sides of last mould, fixedly connected with third spring 13 on the inner wall of the fixed frame 12 of third, fixedly connected with second movable rod 14 on the third spring 13, the one end fixedly connected with movable block 15 of third spring 13 is kept away from to second movable rod 14.

In this embodiment, through the second dead lever 9 on the clamping device 8 to the interior motion of cope match-plate pattern 6 and lower mould 2, at this moment, two kellies 10 paste tightly, and when losing the spacing of movable block 15, two kellies 10 and movable block 15 joint are spacing between the inner wall of the fixed frame 12 of kellies 10 and third with movable block 15 to accomplish clamping device 8's fixed.

Specifically, the outer walls of the two sides of the upper die 6 are fixedly connected with sliding blocks 7, and the upper die 6 is connected with the sliding rod 3 in a sliding mode through the sliding blocks 7.

In this embodiment, the slide block 7 enables the upper die 6 to move downwards more stably under the action of the cylinder 5, so that the position deviation is avoided.

Specifically, the first fixing frame 81 and the second fixing frame 82 are fixedly connected to outer walls of both sides of the upper mold 6 and the lower mold 2, respectively.

In this embodiment, the upper mold 6 and the lower mold 2 are clamped by matching the parts fixed in the first fixing frame 81 and the second fixing frame 82 outside the upper mold 6 and the lower mold 2, so that the injection molding effect is better.

Specifically, the teeth of the gear 83 are engaged with the teeth provided on the outer wall of the rack bar 84, and the first fixing frame 81 is provided with a through hole for the movement of the rack bar 84.

In this embodiment, the gear 83 can drive the rack bar 84 to move up and down when moving forward and backward through the meshing connection of the teeth, so as to provide power support for the rack bar 84 to drive the fixed block 85 to move.

Specifically, a movable groove 86 matched with the limiting block 813 is formed in the fixing block 85.

In this embodiment, the movable groove 86 facilitates the movement of the fixed block 85, so that the two first movable rods 87 can complete the position limitation with the fixed block 85.

Specifically, fixedly connected with second spring 11 between the outer wall of kelly 10 and second dead lever 9, offer the recess with movable block 15 looks adaptation on the kelly 10, kelly 10 passes through the recess joint with movable block 15.

In this embodiment, the second spring 11 is arranged to provide power for the rebound of the clamping rod 10 when the clamping rod is out of the limit position, so that the clamping rod 10 can be better clamped with the movable block 15.

The utility model discloses a theory of operation and use flow: when the upper die 6 is used, when the upper die 6 moves and clings to the direction close to the lower die 2 through the air cylinder 5, the starting gear 83 drives the toothed rod 84 to move towards the inside of the second fixed frame 82, the limiting block 813 moves into the movable groove 86, when the fixed block 85 moves towards the limiting block 813, the first movable rods 87 at two sides are extruded by the limiting block 813 and move towards the direction far away from the limiting block 813, when the first movable rods 87 move to the bottom of the limiting block 813, the gear 83 stops moving, the limiting block 813 clamps the first movable rods 87, so that the first fixed frame 81 and the second fixed frame 82 are clamped, and the upper die 6 and the lower die 2 are clamped tightly; secondly, through the second dead lever 9 with on the clamping device 8 to the internal motion of cope match-plate pattern 6 and lower mould 2, two kellies 10 paste tightly this moment, when losing the spacing of movable block 15, two kellies 10 and movable block 15 joint, spacing the movable block 15 between the inner wall of the fixed frame 12 of kellies 10 and third, thereby accomplish clamping device 8's fixed, when needs dismantle clamping device 8, outside pulling clamping device 8 makes two kellies 10 paste tightly under the extrusion of movable block 15, thereby extract second dead lever 9, the completion is dismantled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning and clamping device among injection mold, includes base (1) and clamping device (8), its characterized in that: the top of the base (1) is fixedly connected with a lower die (2), the top of the base (1) is fixedly connected with a sliding rod (3), one end, far away from the base (1), of the sliding rod (3) is fixedly connected with a top plate (4), the bottom of the top plate (4) is fixedly connected with an air cylinder (5), and the other end of the air cylinder (5) is fixedly connected with an upper die (6);

the clamping device (8) comprises a first fixed frame (81) and a second fixed frame (82), a gear (83) is fixedly connected in the first fixed frame (81), a toothed bar (84) is arranged in the first fixed frame (81) in an inserting manner, a fixed block (85) is fixedly connected at one end of the toothed bar (84), first movable rods (87) are arranged on inner walls of two sides of the fixed block (85) in an inserting manner, first fixed rods (88) are fixedly connected on outer walls of the first movable rods (87), first springs (89) are sleeved on outer sides of the first movable rods (87), first electromagnetic blocks (810) are fixedly connected on inner walls of two sides of the fixed block (85), second electromagnetic blocks (811) are fixedly connected on outer walls of one side of the first fixed rods (88) close to the first electromagnetic blocks (810), and the first electromagnetic blocks (810) are electrically connected with the second electromagnetic blocks (811), the inner wall bottom fixedly connected with bracing piece (812) of the fixed frame of second (82), one end fixedly connected with stopper (813) of the fixed frame of second (82) bottom inner wall is kept away from in bracing piece (812).

2. The positioning and clamping device in an injection mold according to claim 1, wherein: fixedly connected with second dead lever (9) on the outer wall of one side of clamping device (8), swing joint has kelly (10) on the outer wall of second dead lever (9), lower mould (2) and the fixed frame of equal fixedly connected with third (12) in last mould (6) inner wall one side, fixedly connected with third spring (13) on the inner wall of the fixed frame of third (12), fixedly connected with second movable rod (14) on third spring (13), the one end fixedly connected with movable block (15) of third spring (13) are kept away from in second movable rod (14).

3. The positioning and clamping device in an injection mold according to claim 1, wherein: the die is characterized in that sliding blocks (7) are fixedly connected to the outer walls of the two sides of the upper die (6), and the upper die (6) is connected with the sliding rod (3) in a sliding mode through the sliding blocks (7).

4. The positioning and clamping device in an injection mold according to claim 1, wherein: the first fixing frame (81) and the second fixing frame (82) are fixedly connected to the outer walls of the two sides of the upper die (6) and the lower die (2) respectively.

5. The positioning and clamping device in an injection mold according to claim 1, wherein: the tooth of gear (83) is connected with the tooth meshing that sets up in ratch (84) outer wall, set up the through-hole that supplies ratch (84) activity on first fixed frame (81).

6. The positioning and clamping device in an injection mold according to claim 1, wherein: a movable groove (86) matched with the limiting block (813) is formed in the fixing block (85).

7. The positioning and clamping device in the injection mold according to claim 2, wherein: fixedly connected with second spring (11) between the outer wall of kelly (10) and second dead lever (9), set up the recess with movable block (15) looks adaptation on kelly (10), kelly (10) passes through the recess joint with movable block (15).