CN215703294U

CN215703294U - Precision mold with accurate positioning function

Info

Publication number: CN215703294U
Application number: CN202121486422.6U
Authority: CN
Inventors: 陈兵
Original assignee: Suzhou Wosinor Precision Mould Co ltd
Current assignee: Suzhou Wosinor Precision Mould Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-02-01
Anticipated expiration: 2031-06-30

Abstract

The utility model belongs to the field of dies, and particularly discloses a precision die with a precise positioning function, which comprises a base and a top plate, wherein a driving mechanism for driving two screws to synchronously rotate is arranged in the base; an upper die holder and a lower die holder which are sleeved on the two screw rods in a threaded manner are arranged between the base and the top plate, an upper die cavity and a lower die cavity which are matched with each other are arranged at the centers of the upper die holder and the lower die holder, and an embedded positioning structure is arranged on the opposite surface of the upper die cavity and the lower die cavity; the upper die base and the lower die base are symmetrically provided with ejection guide structures towards the back. According to the utility model, the upper die holder and the lower die holder are driven by the screw rod to realize die opening and closing operations, and the screw rod is matched with the embedded positioning structure, so that accurate positioning can be realized, the die closing tightness is good, meanwhile, bidirectional die opening and closing operations can be realized, and the processing efficiency is improved; set up ejecting guide structure on upper die base and die holder, can realize deviating from in step of the formed part when the die sinking, demoulding effect is good, and the guide bar can further realize guiding orientation.

Description

Precision mold with accurate positioning function

Technical Field

The utility model relates to the field of dies, in particular to a precise die with a precise positioning function.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes.

The existing plastic mold is guided and positioned through the guide rod, the precision is low, the precise positioning cannot be realized, and meanwhile, the rapid demolding operation is inconvenient to realize during mold opening, so that the processing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a precision mold with precise positioning function, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a precision mold with a precise positioning function comprises a base and a top plate arranged in parallel above the base, wherein a screw rod is respectively and rotatably arranged between the two ends of the base and the top plate, and a driving mechanism for driving the two screw rods to synchronously rotate is arranged in the base; an upper die holder and a lower die holder are arranged between the base and the top plate and are sleeved on the two screw rods in a threaded manner, an upper die cavity and a lower die cavity which are matched with each other are respectively arranged at the centers of the upper die holder and the lower die holder, and an embedded positioning structure is arranged on the opposite surface of the upper die cavity and the lower die cavity; the upper die base and the lower die base are symmetrically provided with ejection guide structures towards the back.

Preferably, the driving mechanism comprises a driving motor installed in the base, a driving gear is installed at the output end of the driving motor, the lower ends of the two screw rods are inserted into the base and are respectively provided with a driven gear, and the driving gear is in transmission connection with the two driven gears through a transmission chain belt.

Preferably, the driving gear and the two driven gears are distributed in a triangular shape.

Preferably, the base and the top plate are respectively embedded with a bearing seat for the two ends of the screw to be rotatably installed, the screw is of a double-thread structure, and the thread directions of the two ends of the screw are opposite.

Preferably, gomphosis location structure includes the round constant head tank that outwards expands and form along lower mould chamber outer port department, goes up the periphery of mould chamber outer port department and is provided with the protruding location strip of embedding constant head tank of round.

Preferably, the ejecting guide structure comprises an ejecting block and a guide plate, the ejecting block is slidably embedded in the upper die base or the lower die base, one end of the ejecting block slidably extends into the upper die cavity or the lower die cavity and is fixedly connected with an ejecting plate which is fully paved at the bottom of the upper die cavity or the lower die cavity, and the other end of the ejecting block extends out of the upper die base or the lower die base and is fixedly connected with the guide plate.

Preferably, the deflector both ends extend outwards, and the symmetry is provided with the guide bar that supplies deflector both ends slip cap to establish between base and the roof, and the guide bar both ends are provided with respectively and carry out spacing stopper to the deflector position.

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

the screw drives the upper die holder and the lower die holder to realize die opening and closing operations, the screw is matched with the embedded positioning structure, accurate positioning can be realized, the die closing tightness is good, meanwhile, bidirectional die opening and closing operations can be realized, and the processing efficiency is improved; set up ejecting guide structure on upper die base and die holder, can realize deviating from in step of the formed part when the die sinking, demoulding effect is good, and the guide bar can further realize guiding orientation.

Drawings

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

fig. 2 is a schematic view of the transmission connection between the driving gear and the driven gear of the present invention.

In the figure: 1. a base; 2. a top plate; 3. a screw; 4. an upper die holder; 5. a lower die holder; 6. an upper mold cavity; 7. a lower die cavity; 8. positioning a groove; 9. a positioning bar; 10. a top block; 11. a guide plate; 12. a guide bar; 13. a limiting block; 14. a bearing seat; 15. a driven gear; 16. a drive motor; 17. a drive gear; 18. a drive chain belt; 19. and ejecting the plate.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: a precision mould with a precise positioning function comprises a base 1 and a top plate 2 arranged in parallel right above the base 1, wherein a screw rod 3 is respectively and rotatably arranged between the two ends of the base 1 and the top plate 2, and a driving mechanism for driving the two screw rods 3 to synchronously rotate is arranged in the base 1; an upper die holder 4 and a lower die holder 5 which are sleeved on the two screws 3 in a threaded manner are arranged between the base 1 and the top plate 2, an upper die cavity 6 and a lower die cavity 7 which are matched with each other are respectively arranged at the centers of the upper die holder 4 and the lower die holder 5, and an embedded positioning structure is arranged on the opposite surfaces of the upper die cavity 6 and the lower die cavity 7; the upper die base 4 and the lower die base 5 are symmetrically provided with ejection guide structures towards the back.

Further, the driving mechanism comprises a driving motor 16 installed in the base 1, a driving gear 17 is installed at the output end of the driving motor, the lower ends of the two screw rods 3 are inserted into the base 1 and are respectively provided with a driven gear 15, and the driving gear 17 is in transmission connection with the two driven gears 15 through a transmission chain belt 18.

Further, the driving gear 17 and the two driven gears 15 are distributed in a triangular shape.

Further, the base 1 and the top plate 2 are respectively embedded with a bearing seat 14 for rotatably mounting two ends of the screw rod 3, the screw rod 3 is of a double-thread structure, and the thread directions of the two ends of the screw rod are opposite.

Furthermore, the embedding positioning structure comprises a circle of positioning grooves 8 formed by outwards expanding along the outer port of the lower die cavity 7, and a circle of positioning strips 9 which are protruded and embedded into the positioning grooves 8 are arranged on the periphery of the outer port of the upper die cavity 6.

Further, the ejecting guide structure comprises an ejecting block 10 and a guide plate 11, the ejecting block 10 is slidably embedded into the upper die base 4 or the lower die base 5, one end of the ejecting block slidably extends into the upper die cavity 6 or the lower die cavity 7 and is fixedly connected with an ejecting plate 19 which is fully paved at the bottom of the upper die cavity 6 or the lower die cavity 7, and the other end of the ejecting block extends out of the upper die base 4 or the lower die base 5 and is fixedly connected with the guide plate 11.

Furthermore, 11 both ends of deflector extend outwards, and the symmetry is provided with guide bar 12 that supplies 11 both ends slip cap to establish between base 1 and the roof 2, and guide bar 12 both ends are provided with respectively and carry out spacing stopper 13 to 11 positions of deflector.

The working principle is as follows: during die assembly, the driving motor 16 drives the two screw rods 3 to synchronously rotate through the matching of the driving gear 17 and the two driven gears 15, the upper die base 4 and the lower die base 5 are driven to mutually approach and finally to be in butt joint and embedded, and the positioning strip 9 on the upper die base 4 is embedded into the positioning groove 8 of the lower die base 5, so that accurate positioning is realized. When the die is closed, the ejection guide structure moves synchronously with the upper die holder 4 and the lower die holder 5, and the guide plate 11 slides along the guide rod 12.

When the mold is opened, the driving motor 16 rotates reversely to drive the upper mold base 4 and the lower mold base 5 to be away from each other, so that the mold opening operation is realized; in the process, the ejection guide structures move synchronously with the upper die base 4 and the lower die base 5, the guide plates 11 slide along the guide rods 12 until the guide plates 11 reach the position of the limiting blocks 13 (the guide plates 11 of the two ejection guide structures simultaneously reach the position of the limiting blocks 13), the upper die base 4 and the lower die base 5 are continuously away from each other, the ejector blocks 10 move towards the die cavity due to the limitation of the limiting blocks 13, the formed part is ejected out, the formed part can be synchronously ejected when the die is opened, and the demolding effect is good.

It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A precision mold with a precise positioning function is characterized by comprising a base (1) and a top plate (2) arranged in parallel above the base (1), wherein a screw (3) is respectively and rotatably arranged between the two ends of the base (1) and the top plate (2), and a driving mechanism for driving the two screws (3) to synchronously rotate is arranged in the base (1); an upper die holder (4) and a lower die holder (5) which are sleeved on the two screw rods (3) in a threaded manner are arranged between the base (1) and the top plate (2), an upper die cavity (6) and a lower die cavity (7) which are matched with each other are respectively arranged at the centers of the upper die holder (4) and the lower die holder (5), and an embedded positioning structure is arranged on the opposite surfaces of the upper die cavity (6) and the lower die cavity (7); the upper die holder (4) and the lower die holder (5) are symmetrically provided with ejection guide structures towards the back.

2. The precision mold with precise positioning function according to claim 1, characterized in that: the driving mechanism comprises a driving motor (16) installed in the base (1), a driving gear (17) is installed at the output end of the driving mechanism, the lower ends of the two screw rods (3) are inserted into the base (1) and are respectively provided with a driven gear (15), and the driving gear (17) is in transmission connection with the two driven gears (15) through a transmission chain belt (18).

3. The precision mold with precise positioning function according to claim 2, characterized in that: the driving gear (17) and the two driven gears (15) are distributed in a triangular shape.

4. The precision mold with precise positioning function according to claim 1, characterized in that: the base (1) and the top plate (2) are respectively embedded with a bearing seat (14) for rotating and installing two ends of the screw rod (3), the screw rod (3) is of a double-thread structure, and the thread directions of the two ends of the screw rod are opposite.

5. The precision mold with precise positioning function according to claim 1, characterized in that: the embedded positioning structure comprises a circle of positioning grooves (8) formed by outwards expanding the outer port of the lower die cavity (7), and a circle of positioning strips (9) which are convexly embedded into the positioning grooves (8) are arranged on the periphery of the outer port of the upper die cavity (6).

6. The precision mold with precise positioning function according to claim 1, characterized in that: the ejection guide structure comprises an ejection block (10) and a guide plate (11), the ejection block (10) is embedded into the upper die base (4) or the lower die base (5) in a sliding mode, one end of the ejection block extends into the upper die cavity (6) or the lower die cavity (7) in a sliding mode and is fixedly connected with an ejection plate (19) which is paved on the bottom of the upper die cavity (6) or the lower die cavity (7), and the other end of the ejection block extends out of the upper die base (4) or the lower die base (5) and is fixedly connected with the guide plate (11).

7. The precision mold with precise positioning function according to claim 6, characterized in that: the guide plate (11) both ends extend outwards, and the symmetry is provided with guide bar (12) that supply guide plate (11) both ends slip cap to establish between base (1) and roof (2), and guide bar (12) both ends are provided with respectively and carry out spacing stopper (13) to guide plate (11) position.