CN213797764U

CN213797764U - Injection mold protection curtain

Info

Publication number: CN213797764U
Application number: CN202022474393.3U
Authority: CN
Inventors: 章卫富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-27
Anticipated expiration: 2030-10-30

Abstract

The utility model provides an injection mold protective curtain, which comprises a rotating shaft, a fixed shaft, a protective film and an adsorption component, wherein the protective film is arranged between the rotating shaft and the fixed shaft, one side of the rotating shaft is provided with a bracket through a connecting shaft, and the bracket and the fixed shaft are respectively provided with the adsorption component; one side of the bracket is provided with a driving wheel which rotates synchronously with the rotating shaft and a driven wheel which is meshed with the driving wheel, and one side of the driven wheel is provided with a vertical shaft; the inner cavity of the rotating shaft is provided with a movable block moving along the inner cavity, the other side of the inner cavity of the rotating shaft is provided with a positioning block through a plane bearing, and a spring is arranged between the movable block and the positioning block; one side of the movable block is provided with a connecting rope which passes through the positioning block, the connecting shaft and the driving wheel and is connected with the vertical shaft.

Description

Injection mold protection curtain

Technical Field

The utility model belongs to the technical field of the protection curtain, specifically speaking is an injection mold protection curtain.

Background

The injection molding takes an injection molding machine as a main body, an injection mold as a basic body, and a product is ejected by a mold ejector rod of the product after being molded in a mold cavity of the product or is manually taken out; in order to improve the production efficiency, the functions of a product mechanical arm, a pneumatic system and the like are added on the basis of the production efficiency to produce and process the plastic products.

When the injection mold is used for production, due to the problems of injection pressure and the like, products are easy to splash out during demolding, and are easy to bounce to a machine table, the ground and mechanical gaps, so that the normal operation of the machine tool is influenced. The splashing track of the part can not be controlled, and the splashing force can not be controlled. Along with the splashing of the parts, repeated impact is carried out on the protective film for many times, and the splashed parts scratch the protective film. After the protective film is used for a period of time, the protective film is easy to damage in the use environment and has short service life.

Moreover, the prior art devices typically employ an external spring to effect the return of the protective membrane, which may hinder the use of the device when the parts are splashed into the spring. In addition, when the protective film is separated from the injection molding machine, the adsorption part needs to be buckled by fingers of workers and separated, and the operation is laborious and inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides an injection mold protection curtain for solve the problem that the part of moulding plastics splashes easily, reach and be used for injection mold to shelter from the protection and the free flexible beneficial effect.

The utility model discloses a following technical scheme realizes:

a protective curtain of an injection mold comprises a rotating shaft, a fixed shaft, a protective film and an adsorption component, wherein the protective film is arranged between the rotating shaft and the fixed shaft, a support is arranged on one side of the rotating shaft through a connecting shaft, and the adsorption component is respectively arranged on the support and the fixed shaft; one side of the bracket is provided with a driving wheel which rotates synchronously with the rotating shaft and a driven wheel which is meshed with the driving wheel, and one side of the driven wheel is provided with a vertical shaft;

the inner cavity of the rotating shaft is provided with a movable block moving along the inner cavity, the other side of the inner cavity of the rotating shaft is provided with a positioning block through a plane bearing, and a spring is arranged between the movable block and the positioning block; one side of the movable block is provided with a connecting rope which passes through the positioning block, the connecting shaft and the driving wheel and is connected with the vertical shaft.

Preferably, the protective film is a wire mesh or a transparent plastic film.

Preferably, the adsorption component include first connecting block, second connecting block, screw and magnet steel, dead axle or support on install first connecting block respectively, first connecting block one side is equipped with rather than matched with second connecting block, screw installation magnet steel is passed through to first connecting block one side.

Preferably, one side of the connecting shaft is provided with a rotatable eccentric rod, and the eccentric rod is connected with the second connecting block through a connecting rod.

Preferably, a stop block is arranged on one side in the support, and the driven wheel is connected with the vertical shaft through a transmission mechanism.

Preferably, the transmission mechanism comprises a first connecting wheel and a second connecting wheel, the first connecting wheel is arranged on one side of the driven wheel, the second connecting wheel meshed with the first connecting wheel is arranged on one side of the first connecting wheel, and the second connecting wheel is connected with the vertical shaft; the connecting rope penetrates through the positioning block, the connecting shaft, the driving wheel and the stop block and is connected with the vertical shaft.

Preferably, the upper end and the lower end of the vertical shaft are respectively provided with a limiting ring, and the connecting rope is positioned between the limiting rings; the inner side of the limiting ring is respectively flushed with the upper side and the lower side of the inner wall of the driving wheel or the upper side and the lower side of the inner wall of the through hole in the stop block.

Preferably, the number of teeth of the first connecting gear is smaller than that of the second connecting gear.

Preferably, the connecting shaft on the left side of the rotating shaft is in threaded connection with the rotating shaft, and the connecting shaft is connected with the bracket bearing; the connecting shaft on the right side of the rotating shaft is connected with the driving wheel and is connected with the bracket bearing; and the rotating shaft is provided with a screw connected with the connecting shaft.

The utility model has the advantages that:

the utility model discloses utilize the spring, connect rope and owner/follow driving wheel, turn into the rotary motion of rotation axis the compression motion of spring, when not using the protecting film, the reset motion of spring drives the rotation axis and rotates to this realization is simple convenient to the work of accomodating of protecting film, uses reliably.

The utility model discloses simple structure, easy dismounting both can be connected with the injection molding machine, also can be connected with the mould, and the using-way is nimble, effectively prevents plastics in production, splashes when the die sinking stage and pops out, keeps workstation and ground clean and tidy, reduces the clearance work load.

The utility model discloses an eccentric bar and connecting rod cooperation removal magnet steel need remove the magnet steel with adsorption component and injection molding machine or mould separation when not using this device, rotate the eccentric bar and remove the magnet steel, can be easily with magnet steel and injection molding machine or mould separation, easy operation convenience.

The utility model discloses adopted flat bearing during the installation locating piece, flat bearing and rotation axis inner wall contact to spring and locating piece do not rotate when guaranteeing the rotation axis rotation, reduce the probability that uses the trouble.

The utility model is provided with the limit ring and the stop block, which plays a double protection role for preventing the connecting rope from contacting with the gear; and the position of the limiting ring also prevents the connecting rope from deviating and the gear from generating unnecessary winding, thereby ensuring reliable use.

The utility model discloses the number of teeth of first connecting wheel among the drive mechanism is less than the number of teeth of second connecting wheel, can become the connection rope less winding number of turns on the vertical axis after drive mechanism conversion with the more rotation circle number of rotation axis in the use, and does not influence the spring and to the reset action of protecting film, uses more reliably.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic structural diagram of embodiment 1;

FIG. 2 is a second schematic structural view of embodiment 1;

FIG. 3 is a schematic view of the structure inside the rotary shaft in embodiment 1;

FIG. 4 is a schematic view showing the structure of one end of the holder in example 1;

FIG. 5 is a schematic view of the structure of an adsorption module in example 2;

FIG. 6 is a schematic structural view of embodiment 3;

FIG. 7 is a schematic view showing the structure of one end of the stent in example 3.

In the figure, 1. rotating shaft; 2. fixing a shaft; 3. a protective film; 4. a connecting shaft; 5. a support; 6. a driving wheel; 7. a driven wheel; 8. a vertical axis; 9. a movable block; 10. a flat bearing; 11. positioning blocks; 12. a spring; 13. connecting ropes; 14. a first connection block; 15. a screw; 16. magnetic steel; 17. an eccentric rod; 18. a connecting rod; 19. a stopper; 20. a first connecting wheel; a second fifth wheel; 22. a limiting ring; 23. a screw; 24. and a second connecting block.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Example 1

The utility model provides an injection mold protection curtain, as shown in figure 1 and figure 2, includes rotation axis 1, dead axle 2, protecting film 3 and adsorption component, rotation axis 1 and dead axle 2 between be equipped with protecting film 3, protecting film 3 be wire netting or transparent plastic film, can reduce the use cost of enterprise, and the protection is effectual, makes things convenient for the staff to observe.

As shown in fig. 1, a bracket 5 is mounted on one side of the rotating shaft 1 through a connecting shaft 4, the bracket 5 is of an inverted U-shaped structure, and a housing with an open front is arranged on one side of the bracket 5. As shown in fig. 3, the connecting shaft 4 at the left side of the rotating shaft 1 is connected with the rotating shaft through threads, and the connecting shaft 4 is connected with the bracket 5 through a bearing; the connecting shaft 4 on the right side of the rotating shaft 1 is connected with the driving wheel 6, and the connecting shaft 4 is in bearing connection with the bracket 5; the rotating shaft 1 is provided with a screw 23 connected with the connecting shaft 4. The above structure ensures that the rotation shaft 1 and the connecting shaft 4 can perform a turning action between the brackets 5.

As shown in fig. 1 and 2, the holder 5 and the fixed shaft 2 are respectively provided with an adsorption component, and the adsorption component is connected with an injection molding machine or a mold, so that the device is installed on a device to be used.

As shown in fig. 4, a driving wheel 6 rotating synchronously with the rotating shaft 1 and a driven wheel 7 engaged with the driving wheel 6 are arranged on one side of the bracket 5, that is, the driving wheel 6 and the driven wheel 7 are arranged in the housing and are matched with each other; driven wheel 7 one side be equipped with vertical axis 8, vertical axis 8 is located action wheel 6 one side, and action wheel 6 middle part is hollow structure.

As shown in fig. 3, the inner cavity of the rotating shaft 1 is provided with a movable block 9 moving along the inner cavity, the other side of the inner cavity is provided with a positioning block 11 through a plane bearing 10, and the plane bearing 10 is in contact with the inner wall of the rotating shaft 1 to ensure that the spring 12 and the positioning block 11 do not rotate when the rotating shaft 1 rotates, thereby reducing the probability of using faults.

As shown in fig. 3, a spring 12 is arranged between the movable block 9 and the positioning block 11; the spring 12 can automatically return after being compressed, so that the automatic rotation of the rotating shaft 1 is realized, and the protective film 3 is retracted.

As shown in fig. 3 and 4, a connecting rope 13 is installed on one side of the movable block 9, and the connecting rope 13 passes through the positioning block 11, the connecting shaft 4 and the driving wheel 6 and is connected with the vertical shaft 8. Along with rotation axis 1 rotates and drives action wheel 6 and rotate, action wheel 6 rotates and drives from the rotation of driving wheel 7, rotates from driving wheel 7 and drives vertical axis 8 and rotate to make connect rope 13 winding on vertical axis 8.

When the device is used, the support 5 and the adsorption component on the fixed shaft 2 are respectively connected with one side of an injection molding machine or a mold. In the installation, remove dead axle 2, dead axle 2 removes and drives the tensile expansion of protective film 3 to shelter from. The protective film 3 moves to drive the rotating shaft 1 and the connecting shaft 4 to rotate, and the rotating shaft 1 drives the driving wheel 6 to rotate. The driving wheel 6 rotates to drive the driven wheel 7 to rotate, the driven wheel 7 rotates to drive the vertical shaft 8 to rotate, and the vertical shaft 8 rotates to enable the connecting rope 13 to be wound on the outer side of the connecting rope. Along with the decrease of the part of the connecting rope 13 in the inner cavity of the rotating shaft 1 after being wound, one end of the connecting rope 13 in the rotating shaft 1 drives the movable block 9 to move, and the movable block 9 moves towards the positioning block 11, so that the spring 12 is in a compressed state. In the using process, the plane bearing 10 is contacted with the inner wall of the rotating shaft 1, so that the positioning block 11 and the spring 12 are prevented from rotating to influence the use.

After the use, with the adsorption component and the equipment separation on the dead axle 2, spring 13 no longer receives the effort, and spring 13 makes movable block 9 reset, and movable block 9 removes to drive and connects rope 13 to remove, connects rope 13 to remove and drives vertical axis 8 and rotate, and vertical axis 8 rotates and drives from driving wheel 7 and rotate, rotates from driving wheel 7 and makes action wheel 6 rotate. The action wheel 6 rotates and drives the rotating shaft 1 to rotate, and the rotating shaft 1 rotates to enable the protective film 3 to be wound on the outer side of the rotating shaft, so that the protective film 3 is retracted. The process is convenient to use, and time and labor are saved.

Example 2

On the basis of embodiment 1, when the protective film 3 is connected with an injection molding machine or a mold, the generally adopted adsorbing material is magnetic steel 16, that is, the adsorbing component comprises a first connecting block 14, a second connecting block 24, a screw 15 and magnetic steel 16, the first connecting block 14 is respectively installed on the fixed shaft 2 or the support 5, the second connecting block 24 matched with the first connecting block is arranged on one side of the first connecting block 14, the magnetic steel 16 is installed on one side of the first connecting block 14 through the screw 15, and the magnetic steel 16 is connected with the injection molding machine or the mold, so that the device is installed on required equipment.

In addition, in order to better separate the adsorption component from the injection molding machine or the mold, the device is further improved as follows:

one side of the connecting shaft 4 is provided with a rotatable eccentric rod 17, and the eccentric rod 17 is connected with a second connecting block 24 through a connecting rod 18. Need separate adsorption component and injection molding machine or mould when not using this device, move magnet steel 16 through eccentric bar 17 and connecting rod 18 cooperation, rotate eccentric bar 17, eccentric bar 17 one side and connecting axle 4 contact, and along with its rotation, connecting rod 18 position on the eccentric bar 17 changes, and connecting rod 18 removes and drives magnet steel 16 and remove to this realization removes magnet steel 16, and then can be easily with magnet steel 16 and injection molding machine or mould separation, easy operation is convenient.

Example 3

On the basis of the embodiment 2, a stop block 19 is arranged on one side in the bracket 5, and the driven wheel 7 is connected with the vertical shaft 8 through a transmission mechanism. The stopper 19 serves to prevent the connection cord 13 from being twisted due to contact with the gear.

The transmission mechanism comprises a first connecting wheel 20 and a second connecting wheel 21, the first connecting wheel 20 is arranged on one side of the driven wheel 7, the second connecting wheel 21 meshed with the first connecting wheel 20 is arranged on one side of the first connecting wheel 20, and the second connecting wheel 21 is connected with the vertical shaft 8; the connecting rope 13 passes through the positioning block 11, the connecting shaft 4, the driving wheel 6 and the stop block 19 and is connected with the vertical shaft 8.

During the use, rotation axis 1 rotates and drives action wheel 6, rotates from driving wheel 7 with the principle, rotates from driving wheel 7 and drives first connecting wheel 20 and rotate, and first connecting wheel 20 rotates and drives second connecting wheel 21 and rotate, and second connecting wheel 21 rotates and drives vertical axis 8 and rotate to make and connect rope 13 winding on vertical axis 8, this structure is favorable to improving the reliability of use.

Example 4

On the basis of embodiment 3, the upper and lower ends of the vertical shaft 8 are respectively provided with a limiting ring 22, and the connecting rope 13 is positioned between the limiting rings 22; the inner side of the limiting ring 22 is respectively flush with the upper side and the lower side of the inner wall of the driving wheel 6 or the upper side and the lower side of the inner wall of the through hole on the stop block 19.

The limiting ring 22 and the stop block 19 play a double protection role in preventing the connecting rope 13 from contacting the gear; and the position of the limiting ring 22 also prevents the connecting rope 13 from deviating and generating unnecessary winding with the gear, thereby ensuring reliable use.

Example 5

In the embodiment 4, the number of teeth of the first connecting wheel 20 is smaller than that of the second connecting wheel 21. Can become the connecting rope 13 less number of winding turns on the vertical axis 8 after the more number of turns of rotation axis 1 passes through drive mechanism conversion in the use, and do not influence the spring 13 and to the reset action of protective film 3, use more reliably.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An injection mold protective curtain comprises a rotating shaft (1), a fixed shaft (2), a protective film (3) and an adsorption component, wherein the protective film (3) is arranged between the rotating shaft (1) and the fixed shaft (2), and the injection mold protective curtain is characterized in that a support (5) is installed on one side of the rotating shaft (1) through a connecting shaft (4), and the adsorption component is respectively arranged on the support (5) and the fixed shaft (2); a driving wheel (6) which rotates synchronously with the rotating shaft (1) and a driven wheel (7) which is meshed with the driving wheel (6) are arranged on one side of the support (5), and a vertical shaft (8) is arranged on one side of the driven wheel (7);

a movable block (9) moving along the rotating shaft (1) is arranged in the inner cavity of the rotating shaft, a positioning block (11) is arranged on the other side of the inner cavity of the rotating shaft through a plane bearing (10), and a spring (12) is arranged between the movable block (9) and the positioning block (11); one side of the movable block (9) is provided with a connecting rope (13), and the connecting rope (13) passes through the positioning block (11), the connecting shaft (4) and the driving wheel (6) and is connected with the vertical shaft (8).

2. The injection mold protective curtain of claim 1, wherein: the protective film (3) is an iron wire net or a transparent plastic film.

3. The injection mold protective curtain of claim 1, wherein: adsorption component include first connecting block (14), second connecting block (24), screw (15) and magnet steel (16), dead axle (2) or support (5) on install first connecting block (14) respectively, first connecting block (14) one side is equipped with rather than matched with second connecting block (24), first connecting block (14) one side is through screw (15) installation magnet steel (16).

4. The protective curtain for injection molds according to claim 3, characterized in that: one side of the connecting shaft (4) is provided with a rotatable eccentric rod (17), and the eccentric rod (17) is connected with a second connecting block (24) through a connecting rod (18).

5. The injection mold protective curtain of claim 1, wherein: a stop block (19) is arranged on one side in the support (5), and the driven wheel (7) is connected with the vertical shaft (8) through a transmission mechanism.

6. The protective curtain for injection molds according to claim 5, wherein: the transmission mechanism comprises a first connecting wheel (20) and a second connecting wheel (21), the first connecting wheel (20) is arranged on one side of the driven wheel (7), the second connecting wheel (21) meshed with the first connecting wheel (20) is arranged on one side of the first connecting wheel (20), and the second connecting wheel (21) is connected with the vertical shaft (8); the connecting rope (13) penetrates through the positioning block (11), the connecting shaft (4), the driving wheel (6) and the stop block (19) and is connected with the vertical shaft (8).

7. An injection mold protective curtain as claimed in claim 1 or 6, wherein: the upper end and the lower end of the vertical shaft (8) are respectively provided with a limiting ring (22), and the connecting rope (13) is positioned between the limiting rings (22); the inner side of the limit ring (22) is respectively flush with the upper side and the lower side of the inner wall of the driving wheel (6) or the upper side and the lower side of the inner wall of the through hole on the stop block (19).

8. The injection mold protective curtain of claim 6, wherein: the number of teeth of the first connecting wheel (20) is less than that of the second connecting wheel (21).

9. The injection mold protective curtain of claim 1, wherein: the connecting shaft (4) on the left side of the rotating shaft (1) is in threaded connection with the rotating shaft, and the connecting shaft (4) is in bearing connection with the bracket (5); the connecting shaft (4) on the right side of the rotating shaft (1) is connected with the driving wheel (6), and the connecting shaft (4) is in bearing connection with the bracket (5); the rotating shaft (1) is provided with a screw (23) connected with the connecting shaft (4).