CN112549629B

CN112549629B - Demoulding device for machining of mould workpiece

Info

Publication number: CN112549629B
Application number: CN202011297365.7A
Authority: CN
Inventors: 杨慧
Original assignee: Heyuan Huayisheng Mould Co ltd
Current assignee: Heyuan Huayisheng Mould Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2022-06-24
Anticipated expiration: 2040-11-19
Also published as: CN112549629A

Abstract

The invention relates to the technical field of mold processing, and discloses a demolding device for mold workpiece processing, which comprises a fixed mold, wherein a movable mold is arranged at the upper end of the fixed mold, a cover plate is arranged at the upper end of the movable mold, the upper end of the cover plate is fixedly connected with an air pump, the left end and the right end of the air pump are both connected with two air inlet pipes in a penetrating manner, the other ends of the two air inlet pipes are fixedly connected with a blowing nozzle, the outer wall of the blowing nozzle is connected with a sliding groove in a sliding manner, the right side of the blowing nozzle is fixedly connected with a magnet, and the other end of the magnet is fixedly connected with a second spring. According to the pneumatic demoulding device, compressed air is introduced into the space between the fixed die and the movable die through the blowing nozzle through the air pump to realize pneumatic demoulding, so that the problem of low defective rate caused by uneven stress on the surface of a workpiece due to hoisting or lever prying in the prior art is solved, meanwhile, the workpiece is automatically clamped after demoulding is completed through the matching arrangement among the touch switch, the second spring and the limiting block, and the problem that the workpiece swings and collides due to unilateral air inlet in the prior art is solved.

Description

Demoulding device for machining of mould workpiece

Technical Field

The invention relates to the technical field of die machining, in particular to a demoulding device for machining a die workpiece.

Background

The mold realizes the processing of the shape of an article through a cover plate in a physical state of a molding material, is simply named as 'industrial parent', imprints and molds a workpiece to be processed under the pressure action of a press machine in the processing process, and needs to be separated from the workpiece by a demolding process after the molding is finished.

Most of the existing demoulding devices use a mechanical arm to drag or lever a workpiece, so that a fixed mould and a movable mould form relative motion to realize demoulding. The demoulding mode has the following technical defects: firstly, most workpieces to be processed are precision devices and have low rigidity, the workpieces are subjected to uneven stress at positions through clamping, hanging and dragging or lever prying demolding, the devices are damaged, the workpieces are seriously deformed and broken, and the defect rate is high; secondly, because the work piece receives the exogenic action in the drawing of patterns process, can cause both ends atress inhomogeneous, cause the mould slope to lead to the lateral wall of movable mould to collide with the inside wall of fixed mould, can exert an influence to the work piece, damage the mould even.

Disclosure of Invention

Aiming at the defects of the existing demoulding device in the use process in the background technology, the invention provides the demoulding device for processing the mould workpiece, which has the advantages of uniform stress at the workpiece position due to pneumatic demoulding, air inlet at two sides for demoulding, further reduction of collision of the mould due to inclined swinging, and solves the technical problems in the background technology.

The invention provides the following technical scheme: a demoulding device for processing a mould workpiece comprises a fixed mould, wherein a movable mould is arranged at the upper end of the fixed mould, a cover plate is arranged at the upper end of the movable mould, the upper end of the cover plate is fixedly connected with an air pump, two air inlet pipes are respectively connected at the left end and the right end of the air pump in a penetrating way, a blowing nozzle is fixedly connected at the other ends of the two air inlet pipes, the outer wall of the blowing nozzle is connected with a sliding chute in a sliding way, a magnet is fixedly connected at the right side of the blowing nozzle, a second spring is fixedly connected at the other end of the magnet, an electromagnet is fixedly connected at the other end of the second spring, an exhaust channel is arranged at the left side of the blowing nozzle, two motors are fixedly connected at the two sides of the top end of the cover plate, output shafts are fixedly connected at the lower ends of the two motors, touch switches are fixedly connected on the inner walls at the two sides of the bottom end of the cover plate, slide rails are fixedly connected at the lower ends of the touch switches, the output shaft runs through touch switch and extends to inside the slide rail, the other end fixedly connected with of output shaft electrically conducts the gleitbretter, the equal fixedly connected with pilot lamp in lateral wall both sides of apron.

Preferably, the bottom end of the inner side wall of the exhaust passage is fixedly connected with a third spring, the other end of the third spring is fixedly connected with a sliding block, and a second limiting block is arranged at the other end of the sliding block.

Preferably, the through-hole has been seted up to the right side wall of slide rail, the left side of through-hole is equipped with the conducting strip, the first spring of left side fixedly connected with of conducting strip, the first stopper of other end fixedly connected with of first spring, the width value of through-hole is greater than the width value of first stopper.

Preferably, the sliding block is an inclined plane sliding block, the length of the inclined plane is equal to that of the inclined plane of the blowing nozzle, the second limiting block is circular, and the diameter of the second limiting block is smaller than that of the lateral section of the blowing nozzle.

Preferably, the width value of the touch switch and the width value of the slide rail are consistent with the width value of the side wall of the movable mould.

The invention has the following beneficial effects:

1. according to the pneumatic demoulding device, compressed air is introduced between the fixed die and the movable die through the blowing nozzle by the air pump to realize pneumatic demoulding, and meanwhile, the fixed die channel is opened by the matching arrangement of the electromagnet, the first spring and the sliding block, so that the pneumatic demoulding effect is achieved, and the problem of low defective rate caused by uneven stress on the surface of a workpiece due to hoisting or lever prying in the prior art is solved.

2. According to the invention, the traditional single-side air inlet technology is improved into double-side air inlet, so that the pneumatic demoulding efficiency is effectively improved, meanwhile, the workpiece is automatically clamped after demoulding is finished through the matching arrangement among the touch switch, the second spring and the limiting block, and the problem that the workpiece is swung and further collided due to single-side air inlet in the prior art is solved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the exhaust passage according to the present invention;

FIG. 3 is a schematic side view of an exhaust passage according to the present invention;

FIG. 4 is a schematic view of the initial state structure of the slide rail according to the present invention;

FIG. 5 is a schematic view of the internal structure of the slide rail in the clamped state according to the present invention.

In the figure: 1. a fixed mold; 2. moving the mold; 3. an air pump; 4. an air inlet pipe; 5. a cover plate; 6. a motor; 7. an output shaft; 701. a conductive slip sheet; 702. a first spring; 703. a first stopper; 704. a conductive sheet; 8. a touch switch; 9. a slide rail; 901. a through hole; 10. an electromagnet; 11. a second spring; 111. a magnet; 12. a chute; 121. a blowing nozzle; 13. an exhaust passage; 131. a third spring; 132. a slider; 133. a second limiting block; 14. and an indicator light.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a demolding device for mold workpiece processing comprises a fixed mold 1, a movable mold 2 is arranged at the upper end of the fixed mold 1, a cover plate 5 is arranged at the upper end of the movable mold 2, the upper end of the cover plate 5 is fixedly connected with an air pump 3, two air inlet pipes 4 are respectively connected with the left end and the right end of the air pump 3 in a penetrating manner, a blowing nozzle 121 is fixedly connected with the other ends of the two air inlet pipes 4, a chute 12 is slidably connected with the outer wall of the blowing nozzle 121, a magnet 111 is fixedly connected with the right side of the blowing nozzle 121, a second spring 11 is fixedly connected with the other end of the magnet 111, an electromagnet 10 is fixedly connected with the other end of the second spring 11, an exhaust passage 13 is arranged at the left side of the blowing nozzle 121, the electromagnet 10 is switched on, the homopolar magnet 111 arranged at the left side of the blowing nozzle moves towards the left side under the action of magnetic force, the second spring 11 is further stretched to drive the blowing nozzle 121 to move towards the left side and enter the exhaust passage 13, a sliding block 132 slides along the upper end and the lower end, blow gun 121 extends to second stopper 133 inside and then reaches the effect of opening exhaust passage 13 this moment, realize the pneumatic drawing of patterns of two side air intakes, two motors 6 of top both sides fixedly connected with of apron 5, two motors 6's lower extreme fixedly connected with output shaft 7, fixedly connected with touch switch 8 on the bottom both sides inner wall of apron 5, touch switch 8's lower extreme fixedly connected with slide rail 9, output shaft 7 runs through inside touch switch 8 and extend to slide rail 9, the other end fixedly connected with conductive sliding piece 701 of output shaft 7, the equal fixedly connected with pilot lamp 14 in the lateral wall both sides of apron 5. The conductive sliding sheet 701 is contacted with the conductive sheet 704 to be electrified (as shown in fig. 5), the indicator light 14 is lighted, the bottom end of the inner side wall of the exhaust channel 13 is fixedly connected with the third spring 131, the other end of the third spring 131 is fixedly connected with the sliding block 132, and the other end of the sliding block 132 is provided with the second limiting block 133. Along with the movement of the movable die 2, the side wall of the movable die 2 is in contact with the touch switch 8, at the moment, the motor 6 starts to work (as shown in fig. 4), the output shaft 7 is driven to rotate for a half circle, the conductive sliding piece 701 fixedly connected with the output shaft 7 also rotates along with the output shaft, under the elastic action of the first spring 702, the first limiting block 703 is pushed to the inside of the through hole 901, the limiting on the side wall of the movable die 2 is realized, the through hole 901 is formed in the right side wall of the sliding rail 9, the conductive piece 704 is arranged on the left side of the through hole 901, the first spring 702 is fixedly connected to the left side of the conductive sliding piece 701, the first limiting block 703 is fixedly connected to the other end of the first spring 702, the width value of the through hole 901 is larger than that of the first limiting block 703 slides to the inside of the through hole 901, and the shell clamping phenomenon does not occur. The slider 132 is configured as a slope slider, and the length of the slope is equal to the length of the slope of the mouthpiece 121, and the second stopper 133 is configured as a circle, and the diameter thereof is smaller than the lateral cross-sectional diameter of the mouthpiece 121. The second limiting block 133 is arranged inside the blowing nozzle 121, and blowing out of the compressed air is not affected. The width value of touch switch 8 and the width value of slide rail 9 keep the same with the width value of activity mould 2 lateral wall, guaranteed that activity mould 2 lateral wall contact touch switch 8 back, first stopper 703 realizes the centre gripping to activity mould 2.

The use method (working principle) of the invention is as follows:

firstly, the air pump 3 is opened to blow out compressed air through the blowing nozzle 121 along the air inlet pipe 4, the electromagnet 10 is switched on, the homopolar magnet 111 arranged on the left side moves towards the left side under the action of magnetic force, and then the second spring 11 is stretched to drive the blowing nozzle 121 to move towards the left and enter the exhaust channel 13, the sliding block 132 is pushed to slide along the upper end and the lower end, at the moment, the blowing nozzle 121 extends into the second limiting block 133 to achieve the effect of opening the exhaust channel 13, so that pneumatic demoulding of double-side air inlet is realized, at the moment, the movable mould 2 can move upwards towards the vertical direction under the blowing action of high-pressure air on two sides, along with the movement of the movable mould 2, the side wall of the movable mould contacts the touch switch 8, at the moment, the motor 6 starts to work (as shown in a state in figure 4), the output shaft 7 is driven to rotate by a half circle, the conductive sliding piece 701 fixedly connected with the output shaft 7 also rotates along with the same, and under the action of the elastic force of the first spring 702, the first limiting block 703 is pushed into the through hole 901, the realization is spacing to movable mould 2 lateral wall, electrically conductive gleitbretter 701 and conducting strip 704 contact circular telegram (like the state of fig. 5) this moment, pilot lamp 14 lights, the drawing of patterns is accomplished promptly, the work piece that will draw the patterns to accomplish is taken out, close air pump 3, disconnection electro-magnet 10, under the restoring force effect of second spring 11, blow gun 121 moves to the right side, the inside slider 132 of exhaust passage 13 resets, resume to initial position, motor 6 rotates the half-turn, electrically conductive gleitbretter 701 and conducting strip 704 disconnection, first spring 702 is compressed and is made first stopper 703 slide to the inside of slide rail 9, resume to initial position, continue processing, repeat above-mentioned operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 shedder is used in mould work piece processing, includes fixed mould (1), its characterized in that: the upper end of the fixed die (1) is provided with a movable die (2), the upper end of the movable die (2) is provided with a cover plate (5), the upper end of the cover plate (5) is fixedly connected with an air pump (3), the left end and the right end of the air pump (3) are both connected with two air inlet pipes (4) in a penetrating manner, the other ends of the two air inlet pipes (4) are fixedly connected with a blowing nozzle (121), the outer wall of the blowing nozzle (121) is connected with a sliding chute (12) in a sliding manner, the right side of the blowing nozzle (121) is fixedly connected with a magnet (111), the other end of the magnet (111) is fixedly connected with a second spring (11), the other end of the second spring (11) is fixedly connected with an electromagnet (10), the left side of the blowing nozzle (121) is provided with an exhaust passage (13), two top ends and two sides of the cover plate (5) are fixedly connected with two motors (6), and the lower end of the two motors (6) is fixedly connected with an output shaft (7), touch switches (8) are fixedly connected to the inner walls of the two sides of the bottom end of the cover plate (5), a sliding rail (9) is fixedly connected to the lower end of each touch switch (8), the output shaft (7) penetrates through the touch switches (8) and extends into the sliding rail (9), a conductive sliding sheet (701) is fixedly connected to the other end of the output shaft (7), and indicator lights (14) are fixedly connected to the two sides of the outer side wall of the cover plate (5);

the bottom end of the inner side wall of the exhaust channel (13) is fixedly connected with a third spring (131), the other end of the third spring (131) is fixedly connected with a sliding block (132), the other end of the sliding block (132) is provided with a second limit block (133), a through hole (901) is arranged on the right side wall of the slide rail (9), a conducting strip (704) is arranged on the left side of the through hole (901), the left side of the conductive sliding sheet (701) is fixedly connected with a first spring (702), the other end of the first spring (702) is fixedly connected with a first limit block (703), the width value of the through hole (901) is larger than that of the first limit block (703), the slide block (132) is arranged as an inclined slide block, and the length value of the inclined plane is equal to that of the inclined plane of the blowing nozzle (121), and the second limiting block (133) is set to be circular, and the diameter of the second limiting block is smaller than the diameter of the lateral section of the blowing nozzle (121).

2. The mold release device for mold work processing according to claim 1, wherein: the width value of the touch switch (8) and the width value of the sliding rail (9) are consistent with the width value of the side wall of the movable die (2).