CN210501021U

CN210501021U - Mold demolding device

Info

Publication number: CN210501021U
Application number: CN201921407889.XU
Authority: CN
Inventors: 郑建华; 张振猛; 李路强; 束欣; 王麒羽
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-12
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a mould demoulding device, which relates to the technical field of mould demoulding, and comprises a workbench, wherein the bottom end of the workbench is fixedly connected with two symmetrical supporting plates, a lower mould is arranged on the workbench, the top of the lower mould is provided with an upper mould, the utility model has simple structure and high practicability, the product forming process is more stable by arranging a pressing mechanism, the product quality is prevented from being reduced due to the movement of the mould, the second toothed plate, the gear and the second toothed plate are driven to move upwards by pressing a connecting block through two groups of ejector rod mechanisms which are arranged below a movable plate and are used for ejecting the product in the lower mould, and the product in the mould can be conveniently taken out by driving the ejector rod to move upwards through pressing the connecting block, thereby solving the problem of troublesome manual demoulding, reducing the labor intensity, improving the production efficiency and utilizing the action of a spring, so that the parts can be reset.

Description

Mold demolding device

Technical Field

The utility model relates to a mould drawing of patterns technical field, concretely relates to mould shedder.

Background

In the forming process of compression molding or injection molding, a mold generally comprises a movable mold and a fixed mold which can be separated and closed, a workpiece is taken out when the movable mold and the fixed mold are separated, and a blank is injected into a mold cavity for forming when the fixed mold and the fixed mold are closed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould shedder to in the forming process who solves among the prior art compression moulding or mould plastics, when especially small-size product drawing of patterns, the unsuitable large-scale mechanical drawing of patterns of sharing pneumatic cylinder class, the manual drawing of patterns of then operating personnel is difficult to take out again, has increased operating personnel's work load, has wasted the defect of manpower and materials.

The utility model provides a mould shedder, includes the workstation, the backup pad of workstation bottom end fixedly connected with dual structure symmetry, install the lower mould on the workstation, the top of lower mould is equipped with the mould, the inside of lower mould is equipped with the fly leaf, the fly leaf below is equipped with two sets of ejector pin mechanisms with the ejecting interior product of lower mould, the workstation upper end still is equipped with the hold-down mechanism who compresses tightly the mould.

Preferably, the ejector rod mechanism comprises an ejector rod arranged at the bottom end of the movable plate and a driving mechanism for driving the ejector rod to move up and down.

Preferably, a cross beam is fixedly connected between the two supporting plates, a sliding groove is formed in the inner side wall of each supporting plate, a sliding block is slidably connected in the sliding groove, the other end of the sliding block is fixedly connected with a connecting rod, the driving mechanism comprises a second toothed plate fixedly connected with the connecting rod, the upper end of the second toothed plate is connected with a movable rod, the side face of the second toothed plate is meshed with a gear, the top end of the movable rod penetrates through the workbench, a connecting block is fixedly connected to the tail end of the movable rod, a spring is sleeved outside the movable rod, and two ends of the spring are respectively and fixedly;

preferably, two bracing pieces and the uide bushing that the structure is the same of fixedly connected with on the crossbeam, rotate through the bearing on the bracing piece and connect the pivot, the one end fixedly connected with gear of pivot, the opposite side meshing of gear has first pinion rack, the top of first pinion rack and the bottom fixed connection of ejector pin, the bottom of first pinion rack cup joints in the uide bushing and the bottom fixedly connected with stopper of first pinion rack.

Preferably, hold-down mechanism is including being fixed in two threaded rods that the structure is the same on the workstation, threaded rod has nut, clamp plate and lock sleeve from last to down threaded connection in proper order.

Preferably, the two ends of the cross beam are provided with abdicating holes corresponding to the second toothed plate.

The utility model has the advantages that: the utility model discloses simple structure, the practicality is high, through setting up hold-down mechanism, make product forming process more stable, avoid causing product quality to descend because of the mould removes, through be equipped with two sets of ejector pin mechanisms with the ejecting in lower mould product below the fly leaf, drive the second pinion rack through pressing the connecting block, the motion of gear and second pinion rack, thereby drive the ejector pin rebound, and then can be ejecting with the product, thereby can be convenient take out the product in the mould, the trouble problem of traditional manual drawing of patterns has been solved, the labor intensity is reduced, the production efficiency is improved, utilize the effect of spring, make each part can reset.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural view of the middle support plate of the present invention.

Fig. 3 is a schematic view of the connection between the middle gear and the rotating shaft of the present invention.

The device comprises a workbench, a support plate, a 3-threaded rod, a 4-lower die, a 5-nut, a 6-pressing plate, a 7-locking sleeve, an 8-upper die, a 9-movable plate, a 10-ejector rod, a 11-sliding chute, a 12-cross beam, a 13-sliding block, a 14-connecting rod, a 15-supporting rod, a 16-guide sleeve, a 17-rotating shaft, an 18-gear, a 19-first toothed plate, a 20-second toothed plate, a 21-movable rod, a 22-connecting block and a 23-spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 3, a mold demolding device comprises a workbench 1, two support plates 2 with symmetrical structures are fixedly connected to the bottom end of the workbench 1, a lower mold 4 is installed on the workbench 1, an upper mold 8 is arranged at the top of the lower mold 4, a movable plate 9 is arranged inside the lower mold 4, two sets of ejector rod mechanisms for ejecting products in the lower mold 4 are arranged below the movable plate 9, and a pressing mechanism for pressing the upper mold 8 is further arranged at the upper end of the workbench 1.

In this embodiment, the push rod mechanism includes a push rod 10 disposed at the bottom end of the movable plate 9 and a driving mechanism for driving the push rod 10 to move up and down.

In this embodiment, a beam 12 is fixedly connected between two support plates 2, a sliding groove 11 is formed in the inner side wall of each support plate 2, a sliding block 13 is slidably connected in the sliding groove 11, a connecting rod 14 is fixedly connected to the other end of the sliding block 13, the driving mechanism comprises a second toothed plate 20 fixedly connected with the connecting rod 14, the upper end of the second toothed plate 20 is connected with a movable rod 21, the side surface of the second toothed plate is meshed with a gear 18, the top end of the movable rod 21 penetrates through the workbench 1 and is fixedly connected with a connecting block 22 at the tail end, a spring 23 is sleeved outside the movable rod 21, and two ends of the spring 23 are respectively and fixedly connected to the connecting block 22; two bracing pieces 15 and the uide bushing 16 that the structure is the same of fixedly connected with on the crossbeam 12, rotate through the bearing on the bracing piece 15 and connect pivot 17, the one end fixedly connected with gear 18 of pivot 17, the opposite side meshing of gear 18 has first pinion rack 19, the top of first pinion rack 19 and the bottom fixed connection of ejector pin 10, the bottom of first pinion rack 19 cup joints in the uide bushing 16 and the bottom fixedly connected with stopper of first pinion rack 19.

In this embodiment, hold-down mechanism is including being fixed in two threaded rods 3 that the structure is the same on workstation 1, threaded rod 3 has nut 5, clamp plate 6 and lock sleeve 7 from last to having threaded connection in proper order down.

In this embodiment, both ends of the beam 12 are provided with a yielding hole corresponding to the second rack 20. The bottom of one end of the pressing plate 6 is overlapped with the top of the upper die 8.

The working process and principle are as follows: the pressing plate 6 is rotated to lap the bottom of the pressing plate 6 with the top of the upper die 8, the pressing plate 6 is pressed against the upper die 8 by screwing the nut 5 and the locking sleeve 7, the movement is prevented, after the product is formed, the nut 5 and the locking sleeve 7 are unscrewed, the pressing plate 6 is rotated to keep the pressing plate 6 away from the upper die 8, when the product needs to be taken out, after the upper die is opened, the connecting block 22 is pressed downwards, the spring 23 is compressed, the movable rod 21 pushes the second toothed plate 20 downwards to drive the gear 18 to rotate anticlockwise, so that the first toothed plate 19 drives the ejector rod 10 to move upwards, the product in the lower die 4 can be ejected, the connecting block 22 is loosened, the connecting block 22 moves upwards by utilizing the restoring force of the spring 23, the second toothed plate 20 drives the gear 18 to rotate clockwise, the first toothed plate 19 drives the ejector rod 10 to move downwards, and the movable plate 9 is reset, when the second gear plate 20 moves up and down, the sliding block 13 connected with the second gear plate slides in the sliding groove 11, so that the running of the components is more stable,

based on the above, the utility model discloses simple structure, the practicality is high, through setting up hold-down mechanism, make product forming process more stable, avoid causing product quality to descend because of the mould removes, be equipped with through being equipped with in fly leaf 9 below with lower mould 4 ejecting two sets of ejector pin mechanisms of product, drive second toothed plate 20 through pressing connecting block 23,

gear

18 and 19 movement of second toothed plate, thereby drive ejector pin 10 and upwards remove, and then can be ejecting with the product, thereby can be convenient take out the product in the mould, the trouble problem of traditional manual drawing of patterns has been solved, labor intensity is reduced, the production efficiency is improved, utilize the effect of spring 23, make each part can reset.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a mould shedder, its characterized in that, includes workstation (1), backup pad (2) of workstation (1) bottom fixedly connected with two structural symmetries, install lower mould (4) on workstation (1), the top of lower mould (4) is equipped with mould (8), the inside of lower mould (4) is equipped with fly leaf (9), fly leaf (9) below is equipped with two sets of ejector pin mechanisms with the interior product ejecting of lower mould (4), workstation (1) upper end still is equipped with the hold-down mechanism who compresses tightly mould (8).

2. A mold stripping apparatus as set forth in claim 1, wherein: the ejector rod mechanism comprises an ejector rod (10) arranged at the bottom end of the movable plate (9) and a driving mechanism for driving the ejector rod (10) to move up and down.

3. A mold stripping apparatus as set forth in claim 2, wherein: fixedly connected with crossbeam (12) between two backup pads (2), spout (11) have been seted up to backup pad (2) inside wall, sliding connection slider (13) in spout (11), the other end fixedly connected with connecting rod (14) of slider (13), actuating mechanism includes second pinion rack (20) with connecting rod (14) fixed connection, movable rod (21) is connected to second pinion rack (20) upper end and its side meshes with gear (18), the top of movable rod (21) passes workstation (1) and is connected with connecting block (22) in end fixed connection, spring (23) have been cup jointed outward in movable rod (21), spring (23) both ends are fixed connection respectively on connecting block (22) and workstation (1); two bracing pieces (15) and uide bushing (16) that the structure is the same of fixedly connected with on crossbeam (12), rotate through the bearing on bracing piece (15) and connect pivot (17), one end fixedly connected with gear (18) of pivot (17), the opposite side meshing of gear (18) has first pinion rack (19), the top of first pinion rack (19) and the bottom fixed connection of ejector pin (10), the bottom of first pinion rack (19) is cup jointed in uide bushing (16) and the bottom fixedly connected with stopper of first pinion rack (19).

4. A mold stripping apparatus as set forth in claim 3, wherein: hold-down mechanism is including being fixed in two threaded rods (3) that the structure is the same on workstation (1), threaded rod (3) are from last to having nut (5), clamp plate (6) and lock sleeve (7) down threaded connection in proper order.

5. The mold stripping apparatus as set forth in claim 4, wherein: and the two ends of the cross beam (12) are provided with abdicating holes corresponding to the second toothed plate (20).