CN217098739U

CN217098739U - Sphygmomanometer shell production mould

Info

Publication number: CN217098739U
Application number: CN202122619925.2U
Authority: CN
Inventors: 王凯华
Original assignee: Shenzhen Junchang Hardware Photoelectric Co ltd
Current assignee: Shenzhen Junchang Hardware Photoelectric Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-08-02
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a sphygmomanometer shell production mould, include: a base; the first supporting plate is arranged on the right side of the top of the base; the second supporting plate is fixedly arranged on the left side of the top of the base; the first die is arranged in the middle of the left side of the first supporting plate; the injection molding port is arranged in the middle of the first support plate and the first mold from left to right; the die sinking mechanism is arranged on the right side of the second supporting plate; the ejection mechanism is arranged on the rear side of the first supporting plate; the feed opening is arranged on the right side of the top of the base. This sphygmomanometer shell production mould has avoided the friction between mould and the shell when the die sinking effectively, avoids causing destruction to fashioned sphygmomanometer shell at the drawing of patterns in-process, has improved the yield effectively to can be automatic ejecting in the fashioned mould, realize automatic drawing of patterns, be applicable to automation line.

Description

Sphygmomanometer shell production mould

Technical Field

The utility model relates to the technical field of mold, specifically a sphygmomanometer shell production mould.

Background

A sphygmomanometer housing forming device is an auxiliary device for injection molding of a housing thereof in a sphygmomanometer production process, and is widely used in the sphygmomanometer production field; the conventional sphygmomanometer shell forming device comprises a base, a support, a material conveying pipe, a mold and a placing table, wherein the support and the placing table are both arranged at the top end of the base, the support is positioned outside the placing table, the mold is arranged at the top end of the placing table, the material conveying pipe is fixed on the support, and the output end of the material conveying pipe is positioned right above a material conveying port of the mold; when the existing sphygmomanometer shell forming device is used, liquid resin is only needed to be input into a mould through a material conveying pipe, the liquid resin is placed still after being input, the resin is solidified, and then the solidified resin is taken out of the mould, so that a molded shell is obtained;

the existing sphygmomanometer shell forming device is found in use, a parting surface of a shell contains a large number of round corners, the edges of the round corners are tangent to an inner cavity of a mold, and the round corners rub against the mold when the mold is opened, so that the product defects are caused, the formed shell cannot be ejected out of the mold in the using process, the automatic demolding cannot be realized, and the device is not suitable for an automatic generation production line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sphygmomanometer shell production mould to solve the problem that prior art automatic die sinking fault rate is high, unable automatic drawing of patterns at least.

In order to achieve the above object, the utility model provides a following technical scheme: a sphygmomanometer casing production mold comprises: a base; the first supporting plate is arranged on the right side of the top of the base; the second supporting plate is fixedly arranged on the left side of the top of the base; the first die is arranged in the middle of the left side of the first supporting plate; the injection molding port is arranged in the middle of the first support plate and the first mold from left to right; the die sinking mechanism is arranged on the right side of the second supporting plate; the ejection mechanism is arranged on the rear side of the first supporting plate; the feed opening is formed in the right side of the top of the base;

the mold opening mechanism comprises: the number of the sliding rods is four, one end of each sliding rod is fixedly arranged at the four left corners of the first supporting plate, and the other end of each sliding rod is fixedly arranged at the four right corners of the second supporting plate; the movable seat is slidably sleeved on the outer walls of the four sliding rods; the mounting cavity is arranged on the right side of the movable seat; the four sliding rails are respectively arranged at the four corners of the left side of the inner cavity of the installation cavity; the four second dies are respectively and slidably arranged on the outer walls of the four slide rails; the four limiting assemblies are respectively arranged at the four left corners of the first supporting plate and are respectively connected with the four second dies in a sliding manner; the pneumatic rod is fixedly installed on the left side of the second supporting plate, and the output end of the pneumatic rod is fixedly connected with the left side of the moving seat.

Preferably, the limiting assembly comprises: the limiting rods of the four limiting assemblies are respectively arranged at four left corners of the first supporting plate and are gradually inclined outwards from right to left; and the limiting hole is formed in the outer side of the right end of the sliding rail, and the limiting rod is in adaptive insertion connection with the limiting hole.

Preferably, the ejection mechanism includes: the ejection groove is formed in the rear side of the left end of the first die; the ejection rod is slidably arranged on the inner wall of the ejection groove; the clamping cavity is formed in the rear side of the right end of the material ejecting groove; the sliding block is fixedly arranged on the right side of the ejector rod and is connected with the clamping cavity in a sliding manner; one end of the spring is clamped at the rear end of the left side of the sliding block, and the other end of the spring is clamped at the rear end of the left side of the inner cavity of the clamping cavity; the reversing assembly is arranged at the rear end of the sliding block; and the driving component is arranged at the rear side of the first supporting plate and is connected with the reversing component.

Preferably, the reversing assembly comprises: the two rollers are respectively and rotatably arranged at the rear ends of the upper side and the lower side of the sliding block; the sliding cavity is arranged on the rear side of the first supporting plate and communicated with the clamping cavity; the extrusion rod is slidably arranged on the inner wall of the sliding cavity; and the extrusion inclined plane is arranged at the front end of the left side of the extrusion rod and gradually inclines to the left from the front to the back.

Preferably, the driving assembly includes: the permanent magnet is fixedly arranged at the rear end of the extrusion rod; and the electromagnetic coil is fixedly arranged on the rear side of the first supporting plate and is in adaptive socket joint with the permanent magnet.

Compared with the prior art, the beneficial effects of the utility model are that: the mold for producing the sphygmomanometer shell pushes the movable seat to move towards the right side along the sliding rod through the output end of the pneumatic rod, when the movable seat drives the four second molds to move towards the right side, the limiting hole drives the second molds to slide towards the inner side along the sliding rail under the limiting effect of the limiting rod, so that the four second molds are gradually close to each other, when the movable seat reaches the rightmost end, the four second molds are in close contact with each other and form a complete mold with the first mold, then injection molding is carried out through an injection molding port, the output end of the pneumatic rod pushes the movable seat to move towards the left side along the sliding rod after cooling, the four second molds move towards the left side along the movable seat, and simultaneously slide towards the outer side along the sliding rail under the limiting effect of the limiting rod, so that friction between the second molds and the shell is reduced, and the second molds are prevented from damaging the molded sphygmomanometer shell in the demolding process; by switching on current to the electromagnetic coil, magnetic effect is generated at the front end and the rear end of the electromagnetic coil which is electrified according to ampere's rule, and the permanent magnet is pushed to drive the extrusion rod to move towards the front side, the extrusion inclined plane pushes the roller and the slider to move towards the left side, the roller can reduce friction between the slider and the extrusion inclined plane, the slider drives the ejector rod to push the sphygmomanometer shell towards the left side along the ejector groove, the slider extrudes the spring to compress in the process, so that the molded sphygmomanometer shell falls from the feed opening, then the current of the electromagnetic coil is switched on reversely, opposite magnetism is generated, the extrusion rod is pulled to move towards the rear side, the extrusion inclined plane relieves the limit of the roller, the slider slides towards the right side under the elastic force of the spring, and then the original position is recovered, therefore, the friction between a die and the shell in the die opening process is effectively avoided, and the molded sphygmomanometer shell is prevented from being damaged in the demoulding process, the automatic ejection device effectively improves the yield, can automatically eject the formed mold, realizes automatic demolding, and is suitable for automatic production lines.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a right side view of the movable base;

FIG. 4 is a top sectional view of the present invention;

FIG. 5 is an enlarged view at A;

fig. 6 is a schematic view of a second mold structure.

In the figure: 2. the base, 3, first backup pad, 4, second backup pad, 5, first mould, 6, the mouth of moulding plastics, 7, mold opening mechanism, 71, slide bar, 72, remove the seat, 73, the installation cavity, 74, the slide rail, 75, the second mould, 76, spacing subassembly, 761, spacing hole, 762, gag lever post, 77, pneumatic rod, 8, ejection mechanism, 82, liftout groove, 83, card chamber, 84, spring, 85, slider, 86, switching-over subassembly, 861, gyro wheel, 862, slide chamber, 863, extrusion pole, 864, extrusion inclined plane, 87, drive assembly, 871, permanent magnet, 872, solenoid, 9, feed opening.

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. 1-6, the present invention provides a technical solution: a sphygmomanometer casing production mold comprises: the injection molding machine comprises a base 2, a first supporting plate 3, a second supporting plate 4, a first mold 5, an injection molding opening 6, a mold opening mechanism 7, an ejection mechanism 8 and a feed opening 9, wherein the first supporting plate 3 is arranged on the right side of the top of the base 2, the second supporting plate 4 is fixedly arranged on the left side of the top of the base 2, the first mold 5 is arranged in the middle position of the left side of the first supporting plate 3, the injection molding opening 6 is arranged in the middle position of the first supporting plate 3 and the first mold 5 from left to right, injection molding materials are injected from the injection molding opening 6, the mold opening mechanism 7 is arranged on the right side of the second supporting plate 4, the ejection mechanism 8 is arranged on the rear side of the first supporting plate 3, and the feed opening 9 is arranged on the right side of the top of the base 2;

the mold opening mechanism 7 includes: the device comprises four sliding rods 71, four moving seats 72, four mounting cavities 73, four sliding rails 74, four second molds 75, four limiting assemblies 76 and four pneumatic rods 77, wherein one end of each sliding rod 71 is fixedly mounted at the four left corners of the first support plate 3, the other end of each sliding rod 71 is fixedly mounted at the four right corners of the second support plate 4, the moving seats 72 are slidably sleeved on the outer walls of the four sliding rods 71, the mounting cavities 73 are arranged at the right sides of the moving seats 72, the four sliding rails 74 are arranged at the four left corners of the inner cavity of the mounting cavities 73, the four second molds 75 are arranged at the four outer walls of the four sliding rails 74, the four limiting assemblies 76 are arranged at the four left corners of the first support plates 3 and are slidably connected with the four second molds 75, the pneumatic rods 77 are fixedly mounted at the left sides of the second support plates 4, and the output ends of the pneumatic rods 77 are fixedly connected with the left sides of the moving seats 72, the pneumatic rod 77 is a pneumatic actuator that converts pneumatic energy into mechanical energy and reciprocates linearly, and pushes the movable base 72 to slide left and right along the slide rod 71.

Preferably, the limiting component 76 further comprises: spacing hole 761 and gag lever post 762, the gag lever post 762 of four spacing subassemblies 76 of gag lever post 762 sets up respectively in the left side four corners of first backup pad 3, and from the right side to left side slope to the outside gradually, the right-hand member outside of slide rail 74 is seted up to spacing hole 761, and gag lever post 762 is pegged graft with spacing hole 761 looks adaptation, thereby when removing seat 72 and driving four second moulds 75 and when removing to the left side, spacing hole 761 drives second mould 75 and slides to the outside along slide rail 74 under the limiting displacement of gag lever post 762, thereby make four second moulds 75 between the separation.

Preferably, the ejection mechanism 8 further includes: ejection groove 81, ejector pin 82, card chamber 83, spring 84, slider 85, switching-over subassembly 86 and drive assembly 87, ejection groove 81 sets up the left end rear side in first mould 5, ejector pin 82 slidable mounting is in the inner wall of ejection groove 81, card chamber 83 sets up the right-hand member rear side in ejection groove 81, slider 85 fixed mounting is in the right side of ejector pin 82, and with card chamber 83 slidable connection, spring 84 one end joint is in the left side rear end of slider 85, and the other end joint is in the inner chamber left side rear end of card chamber 83, spring 84 is rotary spring, produce elastic deformation after receiving tensile or extrusion, resume to initial condition after getting rid of external force, switching-over subassembly 86 sets up in the rear end of slider 85, drive assembly 87 sets up in the rear side of first backup pad 3, and be connected with switching-over subassembly 86.

Preferably, the reversing assembly 86 further comprises: the device comprises rollers 861, a sliding cavity 862, an extrusion rod 863 and extrusion inclined planes 864, wherein the two rollers 861 are rotatably mounted at the rear ends of the upper and lower sides of the slider 85 respectively, the sliding cavity 862 is arranged at the rear side of the first support plate 3 and is communicated with the card cavity 83, the extrusion rod 863 is slidably mounted on the inner wall of the sliding cavity 862, the extrusion inclined planes 864 are arranged at the front end of the left side of the extrusion rod 863 and are inclined to the left from front to back gradually, so that the extrusion rod 863 is pushed forward, the extrusion inclined planes 864 push the rollers 861 and the slider 85 to move to the left, and the rollers 861 can reduce friction between the slider 85 and the extrusion inclined planes 864.

Preferably, the driving assembly 87 further comprises: permanent magnet 871 and solenoid 872, permanent magnet 871 fixed mounting in the rear end of extrusion pole 863, solenoid 872 fixed mounting in the rear side of first backup pad 3, and cup joint with permanent magnet 871 looks adaptation, solenoid 872 can produce magnetism according to ampere's rule after the circular telegram to promote permanent magnet 871 to remove.

The detailed connection means is well known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Step one, the output end of the pneumatic rod 77 pushes the movable seat 72 to move along the sliding rod 71 to the right side, when the moving seat 72 drives the four second molds 75 to move to the right, the limiting holes 761 drive the second molds 75 to slide inwards along the sliding rails 74 under the limiting action of the limiting rods 762, so that the four second molds 75 are gradually closed, when the movable base 72 reaches the rightmost end, the four second molds 75 are in close contact with each other and form a complete mold with the first mold 5, and then injection molding is performed through the injection port 6, after cooling, the output end of the pneumatic rod 77 pushes the movable base 72 to move to the left along the sliding rod 71, the four second molds 75 follow the movable base 72 to move to the left, meanwhile, the second die 75 slides outwards along the sliding rail 74 under the limiting action of the limiting rod 763, so that the friction between the second die 75 and the shell is reduced, and the formed shell of the sphygmomanometer is prevented from being damaged by the second die 75 in the demolding process;

step two, by switching on current to the electromagnetic coil 872, magnetic effects are generated at the front end and the rear end of the electrified electromagnetic coil 872 according to the ampere rule, the permanent magnet 871 is pushed to drive the extrusion rod 863 to move forwards, the extrusion inclined plane 864 pushes the roller 861 and the slider 85 to move towards the left, the roller 861 can reduce friction between the slider 85 and the extrusion inclined plane 864, the slider 85 drives the ejector rod 82 to push the sphygmomanometer housing towards the left along the ejector groove 81, the slider 85 extrudes the spring 8 to compress in the process, so that the molded sphygmomanometer housing falls from the feed opening 9, then the current of the electromagnetic coil 872 is switched on reversely and generates opposite magnetism, so that the extrusion rod 863 is pulled to move backwards, the extrusion inclined plane 864 relieves the limit of the roller 861, so that the slider 85 slides towards the right under the elastic force of the spring 84, and then the original position is recovered;

the device effectively avoids the damage to the formed sphygmomanometer shell in the demoulding process, effectively improves the yield, can realize automatic demoulding, and is suitable for automatic production lines.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends" and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated; unless otherwise specifically stated or limited, the terms "snap" and "connect" and "set" and "open" and "electrically connect" and "fixedly connect" are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A sphygmomanometer casing production mold comprises: base (2), first backup pad (3), second backup pad (4), first mould (5) and mouth (6) of moulding plastics, first backup pad (3) set up in the top right side of base (2), second backup pad (4) fixed mounting is in the top left side of base (2), first mould (5) set up in the left side intermediate position of first backup pad (3), the intermediate position of first backup pad (3) and first mould (5) is seted up by left to right in mouth (6) of moulding plastics, its characterized in that still includes:

the die sinking mechanism (7) is arranged on the right side of the second supporting plate (4);

the ejection mechanism (8) is arranged on the rear side of the first supporting plate (3);

the feed opening (9) is formed in the right side of the top of the base (2);

the mold opening mechanism (7) comprises:

the number of the sliding rods (71) is four, one end of each sliding rod is fixedly arranged at the left four corners of the first supporting plate (3), and the other end of each sliding rod is fixedly arranged at the right four corners of the second supporting plate (4);

the moving seat (72) is slidably sleeved on the outer walls of the four sliding rods (71);

the mounting cavity (73) is arranged on the right side of the movable seat (72);

four sliding rails (74) are arranged at the four left corners of the inner cavity of the mounting cavity (73);

the number of the second dies (75) is four, and the second dies are respectively and slidably arranged on the outer walls of the four sliding rails (74);

the four limiting assemblies (76) are respectively arranged at the four left corners of the first supporting plate (3) and are respectively connected with the four second dies (75) in a sliding manner;

and the pneumatic rod (77) is fixedly arranged on the left side of the second supporting plate (4), and the output end of the pneumatic rod (77) is fixedly connected with the left side of the moving seat (72).

2. The mold for producing a blood pressure monitor shell according to claim 1, wherein: the stop assembly (76) comprises:

the limiting rods (762) of the four limiting assemblies (76) are respectively arranged at the four left corners of the first supporting plate (3) and are gradually inclined outwards from right to left;

the limiting hole (761) is formed in the outer side of the right end of the sliding rail (74), and the limiting rod (762) is in adaptive insertion connection with the limiting hole (761).

3. The mold for producing a blood pressure monitor shell according to claim 1, wherein: the ejection mechanism (8) comprises:

the ejection groove (81) is formed in the rear side of the left end of the first die (5);

the ejection rod (82) is slidably mounted on the inner wall of the ejection groove (81);

the clamping cavity (83) is formed in the rear side of the right end of the material ejecting groove (81);

the sliding block (85) is fixedly arranged on the right side of the ejector rod (82) and is connected with the clamping cavity (83) in a sliding manner;

one end of the spring (84) is clamped at the rear end of the left side of the sliding block (85), and the other end of the spring is clamped at the rear end of the left side of the inner cavity of the clamping cavity (83);

the reversing assembly (86) is arranged at the rear end of the sliding block (85);

and the driving component (87) is arranged at the rear side of the first supporting plate (3) and is connected with the reversing component (86).

4. The mold for producing a blood pressure monitor shell according to claim 3, wherein: the reversing assembly (86) comprises:

two rollers (861) which are rotatably mounted at the rear ends of the upper side and the lower side of the slider (85) respectively;

the sliding cavity (862) is arranged at the rear side of the first supporting plate (3) and is communicated with the clamping cavity (83);

an extrusion rod (863) slidably mounted to an inner wall of the sliding cavity (862);

and the extrusion inclined surface (864) is arranged at the front end of the left side of the extrusion rod (863) and is gradually inclined towards the left from front to back.

5. The mold for producing a blood pressure monitor shell according to claim 4, wherein: the drive assembly (87) comprises:

a permanent magnet (871) fixedly mounted at the rear end of the extrusion rod (863);

and the electromagnetic coil (872) is fixedly arranged at the rear side of the first supporting plate (3) and is in fit sleeve joint with the permanent magnet (871).