CN214982471U

CN214982471U - Plastic mould with positioning and clamping mechanism

Info

Publication number: CN214982471U
Application number: CN202121008303.XU
Authority: CN
Inventors: 彭俸岭
Original assignee: Guangzhou Youde Precision Products Co ltd
Current assignee: Guangzhou Youde Precision Products Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-03
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a plastic mould with positioning and clamping mechanism, including spacing bottom plate, the constant head tank has all been seted up to the both sides at spacing bottom plate's top, spring groove has all been seted up to one side of two constant head tanks, the inside of two spring grooves all sliding connection has the slider, one side of two sliders all is connected with the pull rod, the one end of two pull rods all is connected with the one end of pull button, the other end of two sliders all fixedly connected with joint post, the top of spacing bottom plate is connected with elevating system, the bottom of elevating system is connected with buffer gear, buffer gear includes damping section of thick bamboo, damping lid, bottom plate, gas storehouse, air cushion and connecting plate, the utility model relates to a plastic mould with positioning and clamping mechanism, through damping section of thick bamboo, damping lid, bottom plate, gas storehouse, air cushion, gas outlet rod, connecting plate, adjust to tight pressure; through spacing bottom plate, reference column, spring groove, spring, pull rod, slider, constant head tank, joint post and draw the button, realize going up the location and pressing from both sides tightly of mould and lower mould.

Description

Plastic mould with positioning and clamping mechanism

Technical Field

The utility model relates to a plastic mould equipment technical field specifically is a plastic mould with positioning and clamping mechanism.

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 molds also create new requirements in the using process, one of which is: in the existing plastic mould, the upper mould and the lower mould are likely to have deviation of the closing position of the upper mould and the lower mould in the closing process, so that the closing failure is caused; the second step is as follows: in the process of closing an upper die and a lower die of the existing plastic die, the closing pressure cannot be effectively controlled and adjusted, and the shape of a plastic product is different due to the change of the closing pressure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic mould with a positioning and clamping mechanism, which aims to solve the problem that the upper mould and the lower mould of the existing plastic mould provided in the background technology are likely to have the deviation of the closing position of the upper mould and the lower mould in the closing process, which leads to the failure of closing; in the process of tightly closing an upper die and a lower die of the existing plastic die, the tight pressure cannot be effectively controlled and adjusted, and the shape of a plastic product is different due to the change of the tight pressure.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic mold with a positioning and clamping mechanism comprises a limiting bottom plate, wherein positioning grooves are formed in two sides of the top of the limiting bottom plate, spring grooves are formed in one sides of the two positioning grooves and located in the limiting bottom plate, slide blocks are connected in the two spring grooves in a sliding mode, pull rods are fixedly connected to one sides of the two slide blocks, one ends of the two pull rods penetrate through the limiting bottom plate and are fixedly connected with one ends of pull buttons, clamping columns are fixedly connected to the other ends of the two slide blocks, a lifting mechanism is fixedly connected to the top end of the limiting bottom plate, a buffering mechanism is fixedly connected to the bottom end of the lifting mechanism and comprises damping cylinders, damping covers, a bottom plate, an air bin, an air cushion and a connecting plate, damping cylinders are fixedly connected to four corners of the top end of the bottom plate, and damping covers are fixedly connected to the top ends of the four damping cylinders, four the top of damping lid respectively with four corner fixed connection of connecting plate bottom, the middle part fixedly connected with gas storehouse on bottom plate top, the top fixedly connected with air cushion of gas storehouse, the top of air cushion with the middle part fixed connection of connecting plate bottom, the bottom fixedly connected with of bottom plate goes up the mould, the equal fixedly connected with reference column in both sides of going up the mould bottom.

As a preferred technical scheme of the utility model, elevating system includes roof, handle, screw rod, movable plate, thread bush, bearing, direction bracing piece, the quantity of direction bracing piece is two, and two the top of direction bracing piece is passed the movable plate respectively with the both ends fixed connection of roof bottom, the middle part threaded connection on roof top has the screw rod, the top fixedly connected with handle of screw rod, the bottom of screw rod pass through the bearing with the middle part on movable plate top is rotated and is connected.

As an optimal technical scheme of the utility model, the screw rod is provided with the thread bush with the junction of roof, just thread bush and screw rod threaded connection.

As a preferred technical scheme of the utility model, two the reference column is trapezium structure, and two the joint groove has all been seted up to the bottom of reference column.

As an optimized technical scheme of the utility model, one side of gas storehouse is fixed the intercommunication and is had a gas pole.

As an optimal technical scheme of the utility model, the middle part fixedly connected with lower mould on top.

As an optimized technical scheme of the utility model, two the spring has all been cup jointed on the surface of pull rod.

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

1. when the plastic injection molding machine is used, plastic is poured into a die cavity of the lower die, the handle is rotated, the rotation of the handle drives the screw to rotate relative to the threaded sleeve, so that the screw moves upwards or downwards, the movable plate is driven to move upwards or downwards along the guide supporting rod by the upward or downward movement of the screw, the buffer mechanism and the upper die are driven to move downwards when the screw and the movable plate move downwards, and when the upper die is contacted with the lower die, the tight pressure is adjusted through the damping cylinder, the damping cover, the air chamber and the air cushion, so that the pressure when the upper die and the lower die are tightly combined is consistent, and the plasticity qualification rate is improved;

2. through the matching of the limiting bottom plate, the positioning column, the spring groove, the spring, the pull rod, the slide block, the positioning groove, the clamping column and the pull button, when the upper die is in contact with the lower die, the positioning columns on the two sides of the bottom of the upper die are inserted into the positioning groove to prevent the position deviation when the upper die is tightly closed with the lower die, when the positioning column moves to the position of the clamping column, the positioning column extrudes the clamping column, the clamping column moves to the inner cavity of the spring groove under extrusion and extrudes the spring, when the clamping column meets the clamping groove on the positioning column, the extrusion on the clamping column disappears, the clamping column returns under the action of the spring, so that the clamping column is clamped with the clamping groove, the upper die and the lower die are clamped and locked, after plastic is cooled and molded, the pull rod is pulled, the pull rod moves to drive the slide block and the clamping column to move towards the direction of the spring groove, so that the clamping column moves out from the clamping groove and is locked and closed, the upper die and the lower die can be opened movably.

Drawings

Fig. 1 is a schematic structural view of the buffering mechanism of the present invention;

fig. 2 is a schematic plan view of the present invention;

fig. 3 is a schematic plan view of the lifting mechanism of the present invention;

fig. 4 is a cross-sectional view of the limiting bottom plate of the present invention.

In the figure: 1. a limiting bottom plate; 2. a lifting mechanism; 3. a buffer mechanism; 4. an upper die; 5. a positioning column; 6. a lower die; 7. a top plate; 8. a handle; 9. pulling the button; 10. a screw; 11. moving the plate; 12. a threaded sleeve; 13. a bearing; 14. a guide support rod; 15. a damping cylinder; 16. a damping cover; 17. a base plate; 18. a gas bin; 19. an air cushion; 20. an air outlet rod; 21. a connecting plate; 22. a spring slot; 23. a spring; 24. a pull rod; 25. a slider; 26. positioning a groove; 27. the clamping column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a plastic mold with positioning and clamping mechanism, including a limiting bottom plate 1, positioning grooves 26 are both provided on both sides of the top of the limiting bottom plate 1, spring grooves 22 are both provided on one side of the two positioning grooves 26 and inside the limiting bottom plate 1, sliders 25 are both slidably connected inside the two spring grooves 22, pull rods 24 are both fixedly connected to one side of the two sliders 25, one end of each pull rod 24 passes through the limiting bottom plate 1 and is fixedly connected with one end of a pull button 9, and the upper mold 4 and the lower mold 6 are positioned and clamped through the cooperation of the limiting bottom plate 1, the positioning column 5, the spring grooves 22, the springs 23, the pull rods 24, the sliders 25, the positioning grooves 26, the clamping columns 27 and the pull button 9; the other ends of the two sliding blocks 25 are fixedly connected with clamping columns 27, the top end of the limiting bottom plate 1 is fixedly connected with an elevating mechanism 2, the bottom end of the elevating mechanism 2 is fixedly connected with a buffer mechanism 3, the buffer mechanism 3 comprises damping cylinders 15, damping covers 16, a bottom plate 17, air bins 18, air cushions 19 and a connecting plate 21, the four corners of the top end of the bottom plate 17 are fixedly connected with the damping cylinders 15, the top ends of the four damping cylinders 15 are fixedly connected with the damping covers 16, the top ends of the four damping covers 16 are fixedly connected with the four corners of the bottom end of the connecting plate 21 respectively, the middle of the top end of the bottom plate 17 is fixedly connected with the air bins 18, the top ends of the air bins 18 are fixedly connected with the air cushions 19, the top ends of the air cushions 19 are fixedly connected with the middle of the bottom end of the connecting plate 21, the bottom end of the bottom plate 17 is fixedly connected with an upper die 4, positioning columns 5 are fixedly connected with the two sides of the bottom end of the upper die 4, and the limiting bottom end of the limiting bottom plate 1 and the buffer mechanism 3 are fixedly connected with positioning columns 5, The upper die 4, the lower die 6, the top plate 7, the screw 10, the moving plate 11, the thread bush 12, the guide supporting rod 14, the damping cylinder 15, the damping cover 16, the bottom plate 17, the air chamber 18, the air cushion 19, the air outlet rod 20 and the connecting plate 21 are matched to realize the adjustment of the tightening force when the upper die 4 and the lower die 6 are tightened.

Preferably, the lifting mechanism 2 includes a top plate 7, two handles 8, two screws 10, a movable plate 11, two thread sleeves 12, two bearings 13, and two guide support rods 14, the top ends of the two guide support rods 14 penetrate through the movable plate 11 and are respectively fixedly connected with the two ends of the bottom of the top plate 7, the screw 10 is in threaded connection with the middle of the top end of the top plate 7, the handle 8 is fixedly connected with the top end of the screw 10, and the bottom end of the screw 10 is rotatably connected with the middle of the top end of the movable plate 11 through the bearings 13.

Preferably, a threaded sleeve 12 is arranged at the joint of the screw 10 and the top plate 7, the threaded sleeve 12 is in threaded connection with the screw 10, and the screw 10 is driven to lift through the threaded connection between the screw 10 and the threaded sleeve 12.

Preferably, two reference columns 5 are the trapezium structure, and the joint groove has all been seted up to the bottom of two reference columns 5, and the joint groove is fixed the maintenance to tight state with joint post 27 joint.

Preferably, an air outlet rod 20 is fixedly communicated with one side of the air bin 18.

Preferably, the middle part of the top end of the limiting bottom plate 1 is fixedly connected with a lower die 6, and the lower die 6 is used for shaping.

Preferably, a spring 23 is sleeved on the surface of each of the two pull rods 24 to assist the return of the pull rods 24.

When the plastic mold is used, the utility model relates to a plastic mold with positioning and clamping mechanism, during the use, at first pour the plastic into the die cavity of lower mould 6, then rotate handle 8, the rotation of handle 8 drives screw rod 10 for the rotation of thread bush 12, thereby make screw rod 10 upwards or move downwards, and the upwards or downwards movement of screw rod 10, drive movable plate 11 upwards or downwards along guide support bar 14 and move, when screw rod 10 and movable plate 11 move downwards, drive buffer mechanism 3 and upper mould 4 and move downwards, when upper mould 4 contacts with lower mould 6, through damping cylinder 15, damping lid 16, gas storehouse 18 and air cushion 19, adjust tight pressure, thereby guarantee that the pressure when upper mould 4 closes tightly with lower mould 6 is unanimous, improve the plasticity qualification rate; when the upper die 4 and the lower die 6 are about to contact, the positioning columns 5 on two sides of the bottom of the upper die 4 are inserted into the positioning grooves 26 to prevent position deviation when the upper die 4 and the lower die 6 are tightly closed, when the positioning columns 5 move to the positions of the clamping columns 27, the clamping columns 27 are extruded by the positioning columns 5, the clamping columns 27 move towards the inner cavities of the spring grooves 22 under extrusion and extrude the springs 23, when the clamping columns 27 meet the clamping grooves in the positioning columns 5, the extrusion on the clamping columns 27 disappears, the clamping columns 27 return under the action of the springs 23, so that the clamping columns 27 are clamped with the clamping grooves, the upper die 4 and the lower die 6 are tightly clamped and locked, the accuracy of the die is ensured, after plastic is cooled and formed, the pull rod 24 is pulled, the pull rod 24 moves to drive the slide block 25 and the clamping columns 27 to move towards the direction of the spring grooves 22, so that the clamping columns 27 move out of the clamping grooves and are locked and closed, the upper die 4 and the lower die 6 can be moved open.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a plastic mould with location clamping mechanism, includes limiting bottom plate (1), its characterized in that: constant head tank (26), two constant head tank (26) have all been seted up to the both sides at the top of limiting bottom plate (1) one side of constant head tank (26) just is located spring groove (22), two have all been seted up to the inside of limiting bottom plate (1) the equal sliding connection in inside of spring groove (22) has slider (25), two equal fixedly connected with pull rod (24) in one side of slider (25), two the one end of pull rod (24) is all passed limiting bottom plate (1) and the one end fixed connection who draws button (9), two the equal fixedly connected with joint post (27) of the other end of slider (25), the top fixedly connected with elevating system (2) of limiting bottom plate (1), the bottom fixedly connected with buffer gear (3) of elevating system (2), buffer gear (3) include damping section of thick bamboo (15), damping lid (16), bottom plate (17), Gas storehouse (18), air cushion (19) and connecting plate (21), four equal fixedly connected with damping section of thick bamboo (15) in four corners on bottom plate (17) top, four equal fixedly connected with damping lid (16) in top of damping section of thick bamboo (15), four the top of damping lid (16) respectively with four corner fixed connection of connecting plate (21) bottom, the middle part fixedly connected with gas storehouse (18) on bottom plate (17) top, the top fixedly connected with air cushion (19) of gas storehouse (18), the top of air cushion (19) with the middle part fixed connection of connecting plate (21) bottom, mould (4) are gone up to the bottom fixedly connected with of bottom plate (17), go up the equal fixedly connected with reference column (5) in both sides of mould (4) bottom.

2. The plastic mold with the positioning and clamping mechanism as claimed in claim 1, wherein: elevating system (2) include roof (7), handle (8), screw rod (10), movable plate (11), thread bush (12), bearing (13), direction bracing piece (14), the quantity of direction bracing piece (14) is two, and two the top of direction bracing piece (14) is passed movable plate (11) respectively with the both ends fixed connection of roof (7) bottom, the middle part threaded connection on roof (7) top has screw rod (10), the top fixedly connected with handle (8) of screw rod (10), the bottom of screw rod (10) pass through bearing (13) with the middle part on movable plate (11) top rotates and is connected.

3. The plastic mold with the positioning and clamping mechanism as claimed in claim 2, wherein: the connecting part of the screw rod (10) and the top plate (7) is provided with a threaded sleeve (12), and the threaded sleeve (12) is in threaded connection with the screw rod (10).

4. The plastic mold with the positioning and clamping mechanism as claimed in claim 1, wherein: two reference column (5) are the trapezium structure, and two the joint groove has all been seted up to the bottom of reference column (5).

5. The plastic mold with the positioning and clamping mechanism as claimed in claim 1, wherein: an air outlet rod (20) is fixedly communicated with one side of the air bin (18).

6. The plastic mold with the positioning and clamping mechanism as claimed in claim 4, wherein: the middle part of the top end of the limiting bottom plate (1) is fixedly connected with a lower die (6).

7. The plastic mold with the positioning and clamping mechanism as claimed in claim 1, wherein: and springs (23) are sleeved on the surfaces of the two pull rods (24).