CN212664685U

CN212664685U - Automatic positioning and guiding mechanism of die

Info

Publication number: CN212664685U
Application number: CN202020800555.5U
Authority: CN
Inventors: 冉光全
Original assignee: Suzhou Worrell Machinery Industry Co Ltd
Current assignee: Suzhou Worrell Machinery Industry Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-03-09
Anticipated expiration: 2030-05-14

Abstract

The automatic positioning and guiding mechanism for the mold belongs to the field of mechanical basic parts and manufacturing technology, including precise, complex, long-life and fast forming mold manufacturing technology, and includes a rubber mouth sleeve, a lower fixing plate, two symmetrically arranged mold feet, a male mold plate, a male mold core, a female mold plate, a flow passage base plate, a stripping plate, an upper fixing plate, a guide pillar, an upper guide sleeve and a lower guide sleeve. The automatic positioning and guiding mechanism of the mold of the utility model can smoothly open and close the mold through the guide pillar structure comprising the guide pillar and the small guide pillar, thereby not only ensuring the molding quality of the good mold, but also being convenient to operate and improving the working efficiency; viscous resistance is easily generated between the guide pillar and the guide sleeve, and the guide pillar with improved design adopts the contact of the ball and the inner wall of the guide sleeve, so that the contact area is reduced, and the guide pillar can slide in the upper guide sleeve and the lower guide sleeve smoothly.

Description

Automatic positioning and guiding mechanism of die

Technical Field

The utility model belongs to mechanical basis spare and manufacturing technology-fields such as accurate, complicated, long-life, quick forming die manufacturing technology, specifically speaking relates to a positive mechanism is led in automatic positioning of mould.

Background

The die is a processing device with wide application, generally comprises a fixed die and a movable die, in order to ensure the precision of the movable die relative to the fixed die when the die is closed, a guide sleeve is fixedly arranged on one of the fixed die and the movable die, a guide pillar is fixedly arranged on the other one of the fixed die and the movable die, the guide pillar is inserted in the guide sleeve, and the guide pillar and the movable die have set matching precision, so that the axes of the fixed die and the movable die are superposed as much as possible, the fixed die and the movable die are guided when the die is.

However, when some dies are used, the fixed die and the movable die cannot or do not need to be guided by the guide pillars and the guide sleeves, for example, when a small die is used for stamping a large plate surface, if the guide pillars and the guide sleeves are arranged, interference will be generated on the large plate surface, which brings inconvenience to processing and even causes the dies to be unusable. However, if the guide is not provided with the guide post and the guide sleeve, the alignment and the gap adjustment of the die are very troublesome, for example, if the blanking gap of the stamping die is improperly adjusted, the die may be damaged.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an automatic positioning of mould leads positive mechanism has solved the location structure of mould among the prior art and can not adjust, probably causes the problem of jamming in the use.

The technical scheme is as follows: the utility model provides an automatic positioning and guiding mechanism of a mould, which comprises a sprue bush, a lower fixed plate, two symmetrically arranged mould feet, a male mould plate, a male mould core, a female mould plate, a flow channel cushion plate, a stripper plate, an upper fixed plate, a guide pillar, an upper guide sleeve and a lower guide sleeve, wherein the two symmetrically arranged mould feet are arranged between the upper end surface of the lower fixed plate and the lower end surface of the male mould plate, the male mould core is arranged on the upper end surface of the male mould plate, the female mould plate is arranged on the male mould plate, the female mould core is arranged on the lower end surface of the female mould plate, the female mould core and the male mould core are arranged up and down oppositely, the flow channel cushion plate is arranged on the upper end surface of the female mould core, the stripper plate is arranged on the upper end surface of the flow channel cushion plate, the upper fixed plate is arranged on the upper end surface of the stripper plate, the sprue bush is arranged in the stripper plate and the upper fixed, the lower guide sleeve is arranged in the female die plate along the vertical direction, the diameters of the upper guide sleeve and the lower guide sleeve are the same, the axes of the upper guide sleeve and the lower guide sleeve are positioned on the same straight line, the upper end part of the guide pillar is fixedly arranged on the upper fixing plate, the lower end part of the guide pillar can sequentially penetrate through the upper guide sleeve and the lower guide sleeve, the lower fixing plate is further provided with a small guide pillar, the stripper plate is provided with a small guide sleeve, and the lower end part of the small guide pillar can be arranged in the small guide sleeve.

Further, positive mechanism is led in automatic positioning of foretell mould, be equipped with the clearance between bottom plate and the public template, be equipped with a set of liftout plate on the up end of bottom plate, a set of liftout plate stacks the setting in proper order along vertical direction to a set of liftout plate is located the clearance.

Furthermore, in the automatic positioning and guiding mechanism of the mold, the group of ejector plates are provided with first through holes, and the lower end parts of the guide pillars can extend into the first through holes.

Furthermore, in the automatic positioning and guiding mechanism of the mold, a group of ejector pins is fixedly arranged on the group of ejector plates, and the upper end parts of the group of ejector pins can penetrate through the core plate and extend into the core insert.

Furthermore, according to the automatic positioning and guiding mechanism of the mold, the upper end face of the upper fixing plate is provided with the positioning ring, and the positioning ring is tightly pressed on the rubber sleeve through a screw.

Further, foretell mould's automatic positioning leads just mechanism, be equipped with pull rod set screw on the upper fixed plate, be connected with the pull rod on the pull rod set screw, be equipped with first recess on the core plate, be equipped with the second through-hole on the core plate, be equipped with first boss on the inner wall of second through-hole, the lower tip of pull rod is equipped with the second boss, the lower tip of pull rod can pass the second through-hole and set up in first recess, first boss and second boss can laminate.

Further, in the automatic positioning and guiding mechanism of the mold, a group of sliding guide devices is sequentially arranged on the guide post along the axis direction, each sliding guide device comprises a group of sliding assemblies, and the group of sliding assemblies are arranged in an annular array mode by taking the axis of the guide post as a center line.

Furthermore, the automatic positioning and guiding mechanism of the mold comprises a first sliding assembly, a first spring and a first spring limiting post, wherein a group of annular grooves are sequentially arranged on the outer wall of the guide post along the axis direction, the sliding guide device is positioned at the position of the annular grooves, a group of first sliding grooves are radially arranged at the position of the annular grooves, the group of first sliding grooves and the group of sliding assemblies are arranged in a one-to-one correspondence manner, the group of first sliding grooves are arranged in an annular array manner by taking the axis of the guide post as a central line, a first fixing seat is arranged at the central position of the group of first sliding grooves, the first spring limiting post is fixedly arranged on the outer wall of the first fixing seat, the first ball and the first spring are arranged in the first sliding grooves, the ball is arranged on the end part of the first spring far away from the first spring limiting post, a first limiting plate is arranged at the position of the first, the diameter of the third through hole is smaller than that of the ball, the arc-shaped end part of the ball can extend out of the third through hole, and the ball can be attached to the inner walls of the upper guide sleeve and the lower guide sleeve.

Furthermore, according to the automatic positioning and guiding mechanism of the die, the lower end part of the guide pillar is provided with the second four sliding grooves and the second fixed seat, the second fixed seat is cylindrical, the second fixed seat is arranged at the center of the lower end face of the guide pillar, the second four sliding grooves are arranged in an annular array mode by taking the axis of the guide pillar as a central line, and the second four sliding grooves are internally connected with the elastic guiding assembly.

Further, positive mechanism is led in the automatic positioning of foretell mould, the elasticity direction subassembly includes guide block and spring two, be equipped with four spring clamping grooves on the outer wall of fixing base two, four spring clamping grooves and the setting of four two one-to-ones in spout, the one end setting of spring two is in spring clamping groove to the other end and the guide block of spring two are connected, the cross-section of guide block is fan-shaped to be equipped with the clearance between the guide block, be equipped with slider two on the up end of guide block, slider two and two sliding connection in spout, all be equipped with the chamfer on the outer wall of guide block.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the automatic positioning and guiding mechanism of the mold of the utility model can smoothly open and close the mold through the guide pillar structure comprising the guide pillar and the small guide pillar, thereby not only ensuring the molding quality of the good mold, but also being convenient to operate and improving the working efficiency; because the guide pillar is longer, carry out the guiding orientation in-process at last guide pin bushing and lower guide pin bushing, produce viscous resistance easily between guide pillar and the guide pin bushing, the guide pillar of improved design adopts ball and the contact of guide pin bushing inner wall, thereby reduced area of contact, make the guide pillar slide in last guide pin bushing and lower guide pin bushing that can be in the same direction as smooth, elastic guide structure has been set up at the lower tip of guide pillar in addition, in the guide pillar and the cooperation in-process of last guide pin bushing, adaptability adjustment can be carried out, make the convenient quick guide pin bushing that gets into of guide.

Drawings

Fig. 1 is a front view of an automatic positioning and guiding mechanism of the mold of the present invention;

FIG. 2 is a side view of the automatic positioning and guiding mechanism of the mold of the present invention;

fig. 3 is a schematic structural view of a second embodiment of the guide pillar of the present invention;

fig. 4 is a schematic structural view of the guide pillar of the present invention;

fig. 5 is a schematic structural view of the sliding assembly of the present invention;

fig. 6 is a first schematic structural view of a third embodiment of the guide pillar of the present invention;

fig. 7 is a schematic structural view of a third guide pillar of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 6 at A;

fig. 9 is a schematic structural view of the elastic guide assembly according to the present invention;

fig. 10 is a schematic structural view of the elastic guide assembly according to the present invention;

fig. 11 is a schematic structural view of the third lower end surface of the embodiment of the guide pillar of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The automatic positioning and guiding mechanism of the mold shown in fig. 1 and 2 comprises a sprue bush 1, a lower fixing plate 2, two mold pins 3 symmetrically arranged, a male mold plate 4, a male mold core 5, a female mold core 6, a female mold plate 7, a runner backing plate 8, a stripper plate 9, an upper fixing plate 10, a guide pillar 11, an upper guide bush 12 and a lower guide bush 13, wherein the two mold pins 3 symmetrically arranged are arranged between the upper end surface of the lower fixing plate 2 and the lower end surface of the male mold plate 4, the male mold core 5 is arranged on the upper end surface of the male mold plate 4, the female mold plate 7 is arranged on the male mold plate 4, the female mold core 6 is arranged on the lower end surface of the female mold plate 7, the female mold core 6 and the male mold core 5 are arranged in an up-down opposite manner, the runner backing plate 8 is arranged on the upper end surface of the female mold core 6, the stripper plate 9 is arranged on the upper end surface of the runner backing plate 8, the upper fixing plate 10 is arranged on the upper, the sprue bush 1 is arranged in a stripper plate 9 and an upper fixing plate 10, the upper guide sleeve 12 is arranged in a male die plate 4 along the vertical direction, the lower guide sleeve 13 is arranged in a female die plate 7 along the vertical direction, the diameters of the upper guide sleeve 12 and the lower guide sleeve 13 are the same, the axes of the upper guide sleeve 12 and the lower guide sleeve 13 are on the same straight line, the upper end of the guide post 11 is fixedly arranged on the upper fixing plate 10, the lower end of the guide post 11 can sequentially penetrate through the upper guide sleeve 12 and the lower guide sleeve 13, the lower fixing plate 2 is also provided with a small guide post 24, the stripper plate 9 is provided with a small guide sleeve 25, and the lower end of the small guide post 24 can be arranged in the small guide sleeve 25.

Wherein, be equipped with clearance 14 between bottom plate 2 and the public template 4, be equipped with a set of liftout plate 15 on the up end of bottom plate 2, a set of liftout plate 15 stacks the setting in proper order along vertical direction to a set of liftout plate 15 is located clearance 14. The group of ejector plates 15 are all provided with first through holes 16, and the lower end parts of the guide pillars 11 can extend into the first through holes 16. A group of ejector pins 17 is fixedly arranged on the group of ejector plates 15, and the upper end parts of the group of ejector pins 17 can penetrate through the core plate 4 and extend into the core insert 5.

In addition, a positioning ring 18 is arranged on the upper end face of the upper fixing plate 10, and the positioning ring 18 is pressed on the gum cover 1 through a screw. The upper fixing plate 10 is provided with a pull rod fixing screw 19, the pull rod fixing screw 19 is connected with a pull rod 20, the male die plate 4 is provided with a first groove 21, the female die plate 7 is provided with a second through hole 22, the inner wall of the second through hole 22 is provided with a first boss 23, the lower end part of the pull rod 20 is provided with a second boss 44, the lower end part of the pull rod 20 can pass through the second through hole 22 and be arranged in the first groove 21, and the first boss 23 and the second boss 44 can be attached.

Example two

As shown in fig. 3-5, a set of sliding guides 26 is sequentially arranged on the guide post 11 along the axial direction, the sliding guides 26 include a set of sliding assemblies 27, and the set of sliding assemblies 27 are arranged in an annular array with the axis of the guide post 11 as the center line.

In the above structure, the sliding assembly 27 includes a ball 28, a spring 29 and a first spring-limiting post 30, a set of annular grooves 31 is sequentially formed in the outer wall of the guide post 11 along the axial direction, the sliding guide 26 is located at the position of the annular groove 31, a set of first sliding grooves 32 is radially formed in the position of the annular groove 31, the set of first sliding grooves 32 and the set of sliding assemblies 27 are arranged in a one-to-one correspondence manner, the set of first sliding grooves 32 are arranged in an annular array manner with the axial line of the guide post 11 as a central line, a first fixing seat 33 is arranged at the central position of the set of first sliding grooves 32, the first spring-limiting post 30 is fixedly arranged on the outer wall of the first fixing seat 33, the ball 28 and the first spring 29 are arranged in the first sliding grooves 32, the ball 28 is arranged on the end portion of the first spring 29 far from the first spring-limiting post 30, and a first limiting, the first limiting plate 34 is provided with a third through hole 35, the diameter of the third through hole 35 is smaller than that of the ball 28, the arc-shaped end of the ball 28 can extend out of the third through hole 35, and the ball 28 can be attached to the inner walls of the upper guide sleeve 12 and the lower guide sleeve 13.

The plurality of sliding assemblies 27 are arranged inside the guide column 11, and the balls 28 in the sliding assemblies 27 can be in rolling connection with the upper guide sleeve 12 and the lower guide sleeve 13, so that the smoothness of the guide column 11 in the up-and-down moving process is improved, and clamping stagnation is avoided.

EXAMPLE III

As shown in fig. 6 to 11, four second sliding grooves 36 and two fixed seats 37 are provided on the lower end portion of the guide post 11, the second fixed seat 37 is cylindrical, the second fixed seat 37 is disposed at the center of the lower end surface of the guide post 11, the four second sliding grooves 36 are disposed in an annular array manner with the axis of the guide post 11 as the center line, and the elastic guide assemblies 45 are connected in the four second sliding grooves 36.

In the structure, the elastic guide assembly 45 comprises a guide block 38 and a second spring 39, four spring clamping grooves 40 are formed in the outer wall of the second fixed seat 37, the four spring clamping grooves 40 and the four sliding grooves 36 are arranged in a one-to-one correspondence manner, one end of the second spring 39 is arranged in the spring clamping groove 40, the other end of the second spring 39 is connected with the guide block 38, the cross section of the guide block 38 is fan-shaped, a gap 41 is formed between the guide block 38, a second sliding block 42 is arranged on the upper end face of the guide block 38, the second sliding block 42 is connected with the second sliding grooves 36 in a sliding manner, and chamfers 43 are arranged on the outer wall of the guide block 38.

Through the elastic guide assembly 45 of the retractable structure, in the die closing process of the male die and the female die, the adjustment of adaptability can be carried out according to the opening position of the upper guide sleeve 12, so that the guide pillar 11 can be smoothly inserted into the upper guide sleeve 12.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mechanism is led in automatic positioning of mould which characterized in that: comprises a rubber mouth sleeve (1), a lower fixing plate (2), two symmetrically arranged mold feet (3), a male template (4), a male mold core (5), a female mold core (6), a female template (7), a flow passage base plate (8), a stripper plate (9), an upper fixing plate (10), a guide pillar (11), an upper guide sleeve (12) and a lower guide sleeve (13), wherein the two symmetrically arranged mold feet (3) are arranged between the upper end surface of the lower fixing plate (2) and the lower end surface of the male template (4), the male mold core (5) is arranged on the upper end surface of the male template (4), the female template (7) is arranged on the male template (4), the female mold core (6) is arranged on the lower end surface of the female template (7), the female mold core (6) and the male mold core (5) are arranged oppositely up and down, the flow passage base plate (8) is arranged on the upper end surface of the female mold core (6), and the stripper plate (9) is arranged on the upper end surface of the flow passage base plate (8), the upper fixing plate (10) is arranged on the upper end surface of the stripper plate (9), the sprue bush (1) is arranged in the stripper plate (9) and the upper fixing plate (10), the upper guide sleeve (12) is arranged in the male template (4) along the vertical direction, the lower guide sleeve (13) is arranged in the female template (7) along the vertical direction, the diameters of the upper guide sleeve (12) and the lower guide sleeve (13) are the same, the axes of the upper guide sleeve (12) and the lower guide sleeve (13) are positioned on the same straight line, the upper end part of the guide post (11) is fixedly arranged on the upper fixing plate (10), the lower end part of the guide post (11) can sequentially pass through the upper guide sleeve (12) and the lower guide sleeve (13), a small guide post (24) is also arranged on the lower fixing plate (2), a small guide sleeve (25) is arranged on the stripper plate (9), the lower end part of the small guide post (24) can be arranged in the small guide sleeve (25).

2. The automatic positioning and guiding mechanism of a mold according to claim 1, wherein: be equipped with clearance (14) between bottom plate (2) and public template (4), be equipped with a set of liftout plate (15) on the up end of bottom plate (2), a set of liftout plate (15) stack the setting in proper order along vertical direction to a set of liftout plate (15) are located clearance (14).

3. The automatic positioning and guiding mechanism of a mold according to claim 2, wherein: the group of the ejecting plates (15) are provided with first through holes (16), and the lower end parts of the guide pillars (11) can extend into the first through holes (16).

4. The automatic positioning and guiding mechanism of a mold according to claim 2, wherein: a group of thimbles (17) are fixedly arranged on the group of ejection plates (15), and the upper end parts of the group of thimbles (17) can penetrate through the core plate (4) and extend into the core insert (5).

5. The automatic positioning and guiding mechanism of a mold according to claim 1, wherein: and a positioning ring (18) is arranged on the upper end face of the upper fixing plate (10), and the positioning ring (18) is pressed on the rubber opening sleeve (1) through a screw.

6. The automatic positioning and guiding mechanism of a mold according to claim 1, wherein: be equipped with pull rod set screw (19) on upper fixed plate (10), be connected with pull rod (20) on pull rod set screw (19), be equipped with first recess (21) on core plate (4), be equipped with second through-hole (22) on female template (7), be equipped with first boss (23) on the inner wall of second through-hole (22), the lower tip of pull rod (20) is equipped with second boss (44), the lower tip of pull rod (20) can pass second through-hole (22) and set up in first recess (21), first boss (23) and second boss (44) can laminate.

7. The automatic positioning and guiding mechanism of a mold according to claim 1, wherein: the guide post (11) is sequentially provided with a group of sliding guide devices (26) along the axial direction, each sliding guide device (26) comprises a group of sliding assemblies (27), and the group of sliding assemblies (27) are arranged in an annular array mode by taking the axial line of the guide post (11) as the central line.

8. The automatic positioning and guiding mechanism of a mold according to claim 7, wherein: the sliding assembly (27) comprises a ball (28), a first spring (29) and a first spring limiting column (30), a group of annular grooves (31) are sequentially arranged on the outer wall of the guide column (11) along the axis direction, the sliding guide device (26) is located at the position of the annular grooves (31), a group of first sliding chutes (32) are radially arranged at the position of the annular grooves (31), the group of first sliding chutes (32) and the group of sliding assemblies (27) are arranged in a one-to-one correspondence manner, the group of first sliding chutes (32) are arranged in an annular array manner by taking the axis of the guide column (11) as a central line, a first fixing seat (33) is arranged at the central position of the group of first sliding chutes (32), the first spring limiting column (30) is fixedly arranged on the outer wall of the first fixing seat (33), the ball (28) and the first spring (29) are arranged in the first sliding chutes (32), and the ball (28) is arranged on the end portion, far away from the first spring limiting column (, a first limiting plate (34) is arranged at the outer circumference, close to the guide post (11), of the first sliding groove (32), a third through hole (35) is formed in the first limiting plate (34), the diameter of the third through hole (35) is smaller than that of the ball (28), the arc-shaped end portion of the ball (28) can extend out of the third through hole (35), and the ball (28) can be attached to the inner walls of the upper guide sleeve (12) and the lower guide sleeve (13).

9. The automatic positioning and guiding mechanism of the mold according to claim 1 or 7, wherein: the lower end part of the guide post (11) is provided with four second sliding grooves (36) and a second fixed seat (37), the second fixed seat (37) is cylindrical, the second fixed seat (37) is arranged at the center of the lower end face of the guide post (11), the four second sliding grooves (36) are arranged in an annular array mode by taking the axis of the guide post (11) as the center line, and the four second sliding grooves (36) are connected with elastic guide assemblies (45) in an inner mode.

10. The automatic positioning and guiding mechanism of a mold according to claim 9, wherein: elasticity direction subassembly (45) include guide block (38) and two (39) springs, be equipped with four spring draw-in grooves (40) on the outer wall of fixing base two (37), four spring draw-in grooves (40) and the setting of four spout two (36) one-to-one, the one end setting of two (39) springs is in spring draw-in groove (40) to the other end and the guide block (38) of two (39) springs are connected, the cross-section of guide block (38) is fan-shaped, and is equipped with clearance (41) between guide block (38), be equipped with two (42) sliders on the up end of guide block (38), two (42) sliders and two (36) sliding connection of spout, all be equipped with chamfer (43) on the outer wall of guide block (38).