CN216941468U

CN216941468U - Arc core-pulling slider mechanism

Info

Publication number: CN216941468U
Application number: CN202220383270.5U
Authority: CN
Inventors: 戴旭光; 姜峰
Original assignee: Shanghai Benxu Precision Mould Co ltd
Current assignee: Shanghai Benxu Precision Mould Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-07-12
Anticipated expiration: 2032-02-24

Abstract

The application discloses a circular arc core-pulling slider mechanism, which comprises a fixed seat, a driving component, a movable mold core and a circular arc slider, wherein the fixed seat is used for being connected in a mold, the mold is connected with a mold core in a circular arc tubular shape in a sliding manner, a movable mold core is connected to the top surface of the fixed seat, the top surface of the movable mold core is provided with a circular arc groove, one side edge of the circular arc slider is arranged in a circular arc surface manner and is matched with the radian of the bottom of the circular arc groove, the circular arc slider is abutted against the bottom of the circular arc groove through the circular arc surface, the circular arc slider is connected with the circular arc groove in a sliding manner, the driving component is connected to the fixed seat and penetrates through the movable mold core, and the driving component is connected with the circular arc slider; the bottom end of the mold core is connected with the arc slide block; in an initial state, one side surface of the arc sliding block connected with the mold core is flush with the notch of the arc groove; when the mold is in a demolding state, one side face, far away from the mold core, of the arc sliding block is flush with the notch of the arc groove, and the mold core and the arc sliding block are located in the arc groove. This application has the effect that improves the stability of product drawing of patterns.

Description

Arc core-pulling slider mechanism

Technical Field

The application relates to the field of product demoulding, in particular to a sliding block mechanism with an arc core pulling function.

Background

The sliding block mechanism applied to the die is generally used for being connected with a die core, and the die core is driven to be pulled away from a product during demolding so as to complete demolding.

In the correlation technique, the slider mechanism of loosing core of circular arc includes driving piece and circular arc slider, and the driving piece is connected in the mould, is equipped with the movable mould board in the mould, and the movable mould board slides and is connected with the mold core, and the mold core is the circular arc tubulose, and the circular arc slider rotates to be connected in the movable mould board, and the circular arc radian adaptation of the rotatory orbit of circular arc slider and mold core, circular arc slider are connected with the mold core, and the driving piece is connected in the movable mould board and is connected with the circular arc slider for order about the circular arc slider and rotate and drive the mold core and take out from the product.

Aiming at the related technology, when the arc sliding block drives the mold core to be pulled away from the product, friction and angle direction change are easy to generate between the mold core and the product, the rotating track of the arc sliding block is easy to be influenced, and the defect that the stability of product demolding is reduced is caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of product drawing of patterns, this application discloses a slider mechanism that circular arc was loosed core.

The application discloses slider mechanism that circular arc was loosed core adopts following technical scheme:

a circular arc core pulling slider mechanism comprises a fixed seat, a driving assembly, a movable mold core and a circular arc slider, wherein the fixed seat is used for being connected in a mold, the mold is connected with a mold core in a circular arc tube shape in a sliding mode, the mold core is located above the fixed seat, the movable mold core is connected to the top surface of the fixed seat, a circular arc groove is formed in the top surface of the movable mold core, one side edge of the circular arc slider is arranged in a circular arc surface mode and matched with the radian of the bottom of the circular arc groove, the circular arc slider is abutted to the bottom of the circular arc groove through the circular arc surface, the circular arc slider is connected with the circular arc groove in a sliding mode, the driving assembly is connected to the fixed seat and penetrates through the movable mold core, and the driving assembly is located below the circular arc groove and connected with the circular arc slider and used for driving the circular arc slider to slide along the circular arc groove;

the bottom end of the mold core is connected with the arc slide block; in an initial state, one side surface of the arc sliding block connected with the mold core is flush with the notch of the arc groove; when the mold is in a demolding state, one side face, far away from the mold core, of the arc sliding block is flush with the notch of the arc groove, and the mold core and the arc sliding block are located in the arc groove.

Through adopting above-mentioned technical scheme, when needing the drawing of patterns, control drive assembly, drive assembly orders about the circular arc slider and slides along convex recess, drives the mold core rotation and takes out from the product, and the setting of fixing base is favorable to providing the position of installation for drive assembly and movable mould benevolence, and the setting of convex recess is favorable to restricting the rotatory orbit of sliding of circular arc slider, and provides the accommodation space for the mold core to the stability of product drawing of patterns has been improved.

Optionally, the vertical cross-sectional profile of the arc-shaped groove is semicircular, the arc slide block is arranged in a quarter-circular plate shape, and the right angle of the arc slide block is rotatably connected with the middle part of the movable die core and is used for enabling the arc surface of the arc slide block to slide along the bottom of the arc-shaped groove when the arc slide block rotates;

the cell wall of convex recess is connected with convex sand grip, the radian adaptation of convex sand grip and convex recess tank bottom, the circular arc spout that supplies convex sand grip to slide into is offered to the side that the circular arc slider is close to convex sand grip, corresponds convex sand grip slides with the convex spout that corresponds and is connected.

Through adopting above-mentioned technical scheme to the right angle of circular arc slider is the rotation center, is favorable to more rotating steadily, and is favorable to the circular arc slider more steadily along the rotation and the slip of convex recess through the cooperation of convex spout and convex sand grip to the stability of product drawing of patterns has been improved.

Optionally, the drive assembly includes pneumatic cylinder and rack, the pneumatic cylinder is connected in the mould and is close to the wherein one end of fixing base, the slide opening has been seted up towards the side of pneumatic cylinder to the movable mould benevolence, the slide opening is located the below of convex recess, the rack is the level setting and slides and connects in the top surface of fixing base, the rack is to pass the slide opening setting and slide with the slide opening and be connected, the piston rod and the rack of pneumatic cylinder are connected, the through-hole has been seted up at convex recess tank bottom middle part, slide opening and through-hole, convex recess intercommunication, the arcwall face that the circular arc slider is close to the rack is equipped with the tooth layer, the tooth on tooth layer passes through-hole and rack toothing.

Through adopting above-mentioned technical scheme, the rack has improved the stability of sliding with the fixing base cooperation, and the meshing cooperation of rack and tooth layer is favorable to driving about the circular arc slider steadily rotatory to the stability of product drawing of patterns has been improved.

Optionally, the top of the movable mold core is connected with an ejection assembly, the top of the ejection assembly is abutted to the product and used for supporting the product, the bottom of the ejection assembly is used for being connected with an ejection rod, and the ejection rod is used for being connected with a driving piece.

Through adopting above-mentioned technical scheme, when not drawing of patterns, ejecting subassembly be provided with and do benefit to the bearing product, take out from the product when the mould core, when the liftout pole upwards jacks up, further accomplish the drawing of patterns, and the workman of being convenient for takes the product.

Optionally, the ejection assembly includes a first ejector block and a second ejector block, the first ejector block is connected to the top of the movable die core in a sliding manner and located above the arc slider, the first ejector block is located above the middle of the arc groove, the top surface of the first ejector block is used for being abutted to the bottom of a product, the bottom of the first ejector block is used for being connected with an ejector rod, the second ejector block is connected to the top of the movable die core in a sliding manner, the second ejector block is close to the hydraulic cylinder and located below the die core, a through hole for the die core to pass through is formed in the middle of the top surface of the second ejector block, the top surface of the second ejector block is used for being abutted to an opening in the bottom of the product, and the bottom surface of the second ejector block is used for being connected with the ejector rod.

Through adopting above-mentioned technical scheme, the setting of first kicking block and second kicking block is favorable to cooperating the liftout pole more steadily jack-up product to the workman of being convenient for takes the product.

Optionally, a limiting rod is connected to the middle of the arc-shaped surface of the arc-shaped sliding block, a first strip-shaped hole is formed in the top surface of the rack, a second strip-shaped hole is formed in the top surface of the fixing seat, one end, away from the arc-shaped sliding block, of the limiting rod penetrates through the first strip-shaped hole and the second strip-shaped hole, two opposite limiting holes are formed in the bottom of the arc-shaped groove, the limiting holes are communicated with the through hole and the sliding hole in the bottom of the arc-shaped groove, and the arc-shaped sliding block is located between the two limiting holes;

in an initial state, one side surface of the arc sliding block connected with the mold core is flush with the notch of the arc groove, and the limiting rod is abutted against the wall of the corresponding limiting hole; during the drawing of patterns state, the side that the mold core was kept away from to the circular arc slider flushes with convex recess notch, gag lever post and the pore wall butt of the spacing hole of keeping away from the pneumatic cylinder.

Through adopting above-mentioned technical scheme, the gag lever post and being provided with of two spacing holes do benefit to the rotation angle of the stroke of sliding of injecing the rack and circular arc slider to accomplish the drawing of patterns more high-efficiently more stably.

Optionally, the hole wall of the limiting hole is connected with a rubber layer, and the rubber layer is used for abutting against the limiting rod.

Through adopting above-mentioned technical scheme, being provided with of rubber layer does benefit to protection gag lever post and movable mould benevolence.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the demolding is needed, the driving assembly is controlled, the driving assembly drives the arc sliding block to slide along the arc-shaped groove, the mold core is driven to rotate and is pulled away from the product, the fixing seat is favorable for providing the installation position for the driving assembly and the movable mold core, the arc-shaped groove is favorable for limiting the sliding rotation track of the arc sliding block, and the accommodating space is provided for the mold core, so that the product demolding stability is improved.

2. The right angle of the arc sliding block is used as a rotation center, so that the arc sliding block can rotate more stably, and the arc sliding block can rotate and slide along the arc groove more stably through the cooperation of the arc sliding groove and the arc convex strip, so that the product demoulding stability is improved.

3. When the mold is not demolded, the ejection assembly is arranged to support the product, when the mold core is pulled away from the product, the ejection rod is ejected upwards, demolding is further completed, and a worker can take the product conveniently.

Drawings

Fig. 1 is a cross-sectional view of a circular arc core pulling slider mechanism in an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Description of reference numerals:

1. a fixed seat; 2. a movable mould core; 3. a circular arc slider; 4. a drive assembly; 41. a hydraulic cylinder; 42. a rack; 5. moving the template; 6. a support plate; 7. a circular arc-shaped groove; 8. ejecting the assembly; 81. a first top block; 82. a second top block; 9. a tooth layer; 10. circular arc convex strips; 11. a circular arc chute; 12. a limiting rod; 13. a limiting hole; 14. a first strip-shaped hole; 15. a second bar-shaped hole; 16. a rubber layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1 and 2, the application discloses a circular arc core pulling slider mechanism. A circular arc core-pulling slider mechanism comprises a fixed seat 1, a driving component 4, a movable mould core 2 and a circular arc slider 3. The fixing seat 1 is horizontally arranged and is used for being connected in a mold. The mould comprises a movable mould plate 5 and a supporting plate 6 which are connected with each other, and the movable mould plate 5 is positioned above the supporting plate 6. The bottom surface of the fixed seat 1 is fixed on the top surface of the supporting plate 6, the movable template 5 is provided with an installation space, and the fixed seat 1 is positioned in the installation space. The movable mould core 2 is connected with the top surface of the fixed seat 1, and the top surface of the movable mould core 2 is exposed out of the top surface of the movable mould plate 5. Arc-shaped groove 7 has been seted up to the top surface of movable mould benevolence 2, and one of them side of circular arc slider 3 is the arc surface setting and with circular arc groove 7 tank bottom radian adaptation, circular arc slider 3 through arc surface and circular arc groove 7 tank bottom butt, circular arc slider 3 slides with circular arc groove 7 and is connected. Drive assembly 4 connects in mould and fixing base 1, and drive assembly 4 passes movable mould benevolence 2, and drive assembly 4 is located circular arc recess 7 below and is connected with circular arc slider 3 for order about circular arc slider 3 and slide along circular arc recess 7. The mold core of the mold is in a shape of an arc tube, and the bottom end of the mold core is connected with the arc slide block 3. After the mold is opened, the product is sleeved on the mold core. When the arc slide block 3 slides along the arc groove 7, the mold core is driven to be drawn away from the product.

Referring to fig. 2, in order to more stably demold the product, an ejection assembly 8 is connected to the top of the movable die core 2, the top of the ejection assembly 8 abuts against the product to support the product, the bottom of the ejection assembly 8 is used for being connected to an ejection rod, the ejection rod is used for being connected to a driving member, and the driving member may be, but is not limited to, an air cylinder, an electric push rod, and the like.

Referring to fig. 2, the ejection assembly 8 includes a first ejector block 81 and a second ejector block 82, the first ejector block 81 is connected to the top of the moving die core 2 in a lifting sliding manner and is located above the circular arc sliding block 3, the first ejector block 81 is located above the middle of the circular arc groove 7, the top surface of the first ejector block 81 is used for being abutted to the bottom of the horizontal portion of the product, and the bottom of the first ejector block 81 is used for being connected to an ejector rod. The second kicking block 82 is connected in the top of movable mould benevolence 2 in a lifting and sliding manner, and the second kicking block 82 is located the below of mold core, and the through-hole that supplies the mold core to pass is seted up at the top surface middle part of second kicking block 82, and the top surface of second kicking block 82 is used for the bottom opening butt with the vertical portion of product, and second kicking block 82 bottom surface is used for being connected with the knockout rod.

Referring to fig. 1 and 2, specifically, the fixing base 1 is horizontally arranged in a long strip shape, and the top surface of the fixing base 1 is a plane, and is used for providing an installation position for the moving die core 2 and the driving assembly 4. The length direction of the fixed seat 1 is parallel to the length direction of the movable mould core 2, and the vertical section profile of the circular arc groove 7 along the length direction of the movable mould core 2 is semicircular. The arc sliding block 3 is in a quarter-disk shape, the right angle of the arc sliding block 3 is rotationally connected with the middle part of the movable die core 2, and the arc sliding block 3 is used for enabling the arc surface of the arc sliding block 3 to slide along the bottom of the arc groove 7 when the arc sliding block 3 rotates. The groove wall of the circular arc groove 7 is abutted with the circular arc sliding block 3. During initial state, one side right-angle face of circular arc slider 3 flushes and is located the product below with circular arc recess 7 notch, and this circular arc slider 3's right-angle face and mold core bottom fixed connection, circular arc slider 3 links into semi-circular with the radian of mold core. When the mold is in a demolding state, one side face, far away from the mold core, of the arc sliding block 3 is flush with the notch of the arc groove 7, and the mold core and the arc sliding block 3 are located in the arc groove 7.

Referring to fig. 1 and 2, the driving assembly 4 includes a hydraulic cylinder 41 and a rack 42, the hydraulic cylinder 41 is fixed to the mold and is close to one end of the fixing base 1, and a piston rod of the hydraulic cylinder 41 is disposed to extend into the installation space. The side of the movable die core 2 facing the hydraulic cylinder 41 is provided with a sliding hole, the sliding hole is located below the arc-shaped groove 7, the rack 42 is horizontally arranged and connected to the top surface of the fixed seat 1 in a sliding manner, and the rack 42 penetrates through the sliding hole and is connected with the sliding hole in a sliding manner. A piston rod of the hydraulic cylinder 41 is connected with the end part of the rack 42, a through hole is formed in the middle of the bottom of the circular arc groove 7, and the sliding hole is communicated with the through hole and the circular arc groove 7. The arc-shaped surface of the arc-shaped sliding block 3 close to the rack 42 is provided with a tooth layer 9, and teeth of the tooth layer 9 are meshed with the rack 42 through the through holes.

Referring to fig. 2, in order to improve the stability of the rotation and sliding of the arc slider 3, an arc protrusion 10 is connected to a groove wall of the arc groove 7. The radian of the circular arc convex strip 10 is matched and consistent with that of the bottom of the circular arc groove 7, a circular arc sliding groove 11 for the circular arc convex strip 10 to slide into is arranged on the side surface of the circular arc sliding block 3 close to the circular arc convex strip 10, and the corresponding circular arc convex strip 10 is connected with the corresponding circular arc sliding groove 11 in a sliding manner.

Referring to fig. 2, in order to improve the demolding efficiency and stability, the limiting rods 12 are fixed in the middle of the arc-shaped surface of the arc-shaped sliding block 3, the number of the limiting rods 12 is two, and the two limiting rods 12 are sequentially arranged along the arc-shaped surface of the arc-shaped sliding block 3. First bar hole 14 has been seted up to the top surface of rack 42, and second bar hole 15 has been seted up to the top surface of fixing base 1. One end of the limiting rod 12 far away from the arc sliding block 3 is arranged to penetrate through the first strip-shaped hole 14 and the second strip-shaped hole 15. Two opposite limiting holes 13 are formed in the bottom of the circular arc groove 7, the limiting holes 13 are communicated with the through holes and the sliding holes in the bottom of the circular arc groove 7, and the circular arc sliding block 3 is located between the two limiting holes 13.

Referring to fig. 2, in an initial state, one side surface of the arc sliding block 3 connected with the mold core is flush with the notch of the arc groove 7, and the corresponding limiting rod 12 is abutted with the wall of the corresponding limiting hole 13; during the drawing of patterns state, circular arc slider 3 is rotatory 90 degrees, and circular arc slider 3 keeps away from the side of mold core and flushes with circular arc recess 7 notch, gag lever post 12 with keep away from the pore wall butt of the spacing hole 13 of pneumatic cylinder 41.

Referring to fig. 2, in order to cushion the impact between the stopper rod 12 and the stopper hole 13, a rubber layer 16 is connected to the hole wall of the stopper hole 13, and the rubber layer 16 is in contact with the stopper rod 12.

The implementation principle of a slider mechanism for arc core pulling in the embodiment of the application is as follows:

when the product is formed, the product is formed on the mold core extending out of the movable mold plate 5, and after the mold is opened, the product is sleeved on the mold core. At this time, the hydraulic cylinder 41 is controlled, a piston rod of the hydraulic cylinder 41 pushes the rack 42 to slide along the fixing seat 1, the rack 42 drives the arc slider 3 to rotate, an arc surface of the arc slider 3 slides along the arc-shaped groove 7 during rotation, and the mold core is driven to be drawn away from a product and slide into the arc-shaped groove 7, so that drawing away operation can be achieved.

In the rotating process of the arc sliding block 3, the arc-shaped convex strips 10 slide along the arc-shaped sliding grooves 11, so that the stability is improved, and the corresponding limiting rods 12 are matched with the corresponding limiting holes 13 when the arc sliding block is not pulled away or is pulled away, so that the efficiency is improved, and the stability is further improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a slider mechanism of circular arc core pulling which characterized in that: the die comprises a fixed seat (1), a driving component (4), a movable die core (2) and an arc sliding block (3), wherein the fixed seat (1) is used for being connected in a die, the die is connected with the die core in an arc tube shape in a sliding way, the die core is positioned above the fixed seat (1), the movable die core (2) is connected with the top surface of the fixed seat (1), the top surface of the movable die core (2) is provided with an arc groove (7), one side edge of the arc sliding block (3) is arranged in an arc surface and matched with the radian of the bottom of the arc groove (7), the arc sliding block (3) is abutted against the bottom of the arc groove (7) through the arc surface, the arc sliding block (3) is connected with the arc groove (7) in a sliding way, the driving component (4) is connected with the fixed seat (1) and arranged by penetrating through the movable die core (2), the driving component (4) is positioned below the arc groove (7) and connected with the arc sliding block (3), the arc sliding block (3) is driven to slide along the arc groove (7);

the bottom end of the mold core is connected with the arc slide block (3); in an initial state, one side surface of the arc sliding block (3) connected with the mold core is flush with the notch of the arc groove (7); when the mold is in a demolding state, one side face, far away from the mold core, of the arc sliding block (3) is flush with the notch of the arc groove (7), and the mold core and the arc sliding block (3) are located in the arc groove (7).

2. The arc core pulling slider mechanism according to claim 1, characterized in that: the vertical cross-sectional profile of the arc-shaped groove (7) is semicircular, the arc sliding block (3) is arranged in a quarter-round disc shape, and the right angle of the arc sliding block (3) is rotatably connected with the middle part of the movable die core (2) and is used for enabling the arc surface of the arc sliding block (3) to slide along the bottom of the arc-shaped groove (7) when the arc sliding block (3) rotates;

the cell wall of convex recess (7) is connected with convex sand grip (10), the radian adaptation of convex sand grip (10) and convex recess (7) tank bottom, circular arc spout (11) that supply convex sand grip (10) to slide into are seted up to the side that circular arc slider (3) are close to convex sand grip (10), correspond convex sand grip (10) slide with corresponding circular arc spout (11) and be connected.

3. The arc core pulling slider mechanism according to claim 2, characterized in that: the driving component (4) comprises a hydraulic cylinder (41) and a rack (42), the hydraulic cylinder (41) is connected to the die and is close to one end of the fixed seat (1), the side surface of the movable mould core (2) facing the hydraulic cylinder (41) is provided with a sliding hole which is positioned below the circular arc groove (7), the rack (42) is horizontally arranged and is connected with the top surface of the fixed seat (1) in a sliding way, the rack (42) penetrates through the sliding hole and is connected with the sliding hole in a sliding manner, a piston rod of the hydraulic cylinder (41) is connected with the rack (42), a through hole is arranged in the middle of the bottom of the circular arc groove (7), the sliding hole is communicated with the through hole and the circular arc groove (7), the arc-shaped surface of the arc-shaped sliding block (3) close to the rack (42) is provided with a tooth layer (9), the teeth of the tooth layer (9) are meshed with the rack (42) through the through holes.

4. The arc core pulling slider mechanism according to claim 1, characterized in that: the top of the movable mold core (2) is connected with an ejection assembly (8), the top of the ejection assembly (8) is abutted to a product and used for supporting the product, the bottom of the ejection assembly (8) is used for being connected with an ejection rod, and the ejection rod is used for being connected with a driving piece.

5. The arc core pulling slider mechanism according to claim 4, characterized in that: the ejection assembly (8) comprises a first ejection block (81) and a second ejection block (82), the first ejection block (81) is connected to the top of the movable mold core (2) in a sliding mode and located above the arc sliding block (3), the first ejection block (81) is located above the middle of the arc-shaped groove (7), the top surface of the first ejection block (81) is used for being abutted to the bottom of a product, the bottom of the first ejection block (81) is used for being connected with an ejection rod, the second ejection block (82) is connected to the top of the movable mold core (2) in a sliding mode, the second ejection block (82) is close to the hydraulic cylinder (41) and located below the mold core, a through hole for the mold core to penetrate through is formed in the middle of the top surface of the second ejection block (82), the top surface of the second ejection block (82) is used for being abutted to an opening in the bottom of the product, and the bottom surface of the second ejection block (82) is used for being connected with the ejection rod.

6. The arc core pulling slider mechanism according to claim 3, characterized in that: the middle of the arc-shaped surface of the arc-shaped sliding block (3) is connected with a limiting rod (12), the top surface of the rack (42) is provided with a first strip-shaped hole (14), the top surface of the fixing seat (1) is provided with a second strip-shaped hole (15), one end, far away from the arc-shaped sliding block (3), of the limiting rod (12) penetrates through the first strip-shaped hole (14) and the second strip-shaped hole (15) and is arranged, the bottom of the arc-shaped groove (7) is provided with two opposite limiting holes (13), the limiting holes (13) are communicated with a through hole and a sliding hole at the bottom of the arc-shaped groove (7), and the arc-shaped sliding block (3) is positioned between the two limiting holes (13);

in an initial state, the limiting rod (12) is abutted against the hole wall of the corresponding limiting hole (13); and when in a demoulding state, the limiting rod (12) is abutted against the hole wall of the limiting hole (13) far away from the hydraulic cylinder (41).

7. The arc core pulling slider mechanism according to claim 6, characterized in that: the hole wall of the limiting hole (13) is connected with a rubber layer (16), and the rubber layer (16) is used for being abutted against the limiting rod (12).