CN211941708U

CN211941708U - Pneumatic demoulding device

Info

Publication number: CN211941708U
Application number: CN202020410026.4U
Authority: CN
Inventors: 周胜利; 薛重
Original assignee: Beijing Xinfu Weiye New Energy Technology Co ltd
Current assignee: Beijing Xinfu Weiye New Energy Technology Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-17
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to the technical field of demoulding, in particular to a pneumatic demoulding device, which comprises a frame, a piston ejector rod, an air inlet assembly and a die sleeve, wherein the air inlet assembly and the die sleeve are arranged on the frame; the inner edge of the gear is connected with the driving component; the rack is vertically arranged on the tooth holder, and the piston mandril is connected with the bottom of the rack; the rack is positioned in the tooth holder and meshed with the gear; the piston ejector rod is positioned above the die sleeve and coaxially arranged. The utility model provides a pair of pneumatic shedder has improved drawing of patterns efficiency.

Description

Pneumatic demoulding device

Technical Field

The utility model belongs to the technical field of the drawing of patterns technique and specifically relates to a pneumatic shedder is related to.

Background

At present, the injection molding product needs to be demolded with the sleeve after being molded.

When the existing pneumatic demoulding equipment is used, a push rod is usually manually inserted into one end of a sleeve with a workpiece and is tightly pressed to seal the push rod and the sleeve, and compressed gas is introduced into the other end of the sleeve, so that the workpiece is separated from the sleeve through the pressure of the compressed gas on the workpiece.

The biggest problem of above-mentioned prior art scheme lies in that the manual work uses the ejector pin to insert the sleeve one end that has the work piece and makes it sealed, and drawing of patterns efficiency is lower, and extravagant manpower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pneumatic shedder has improved drawing of patterns efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a pneumatic demoulding device comprises a rack, a piston ejector rod, an air inlet assembly and a die sleeve, wherein the air inlet assembly and the die sleeve are arranged on the rack, the die sleeve is positioned above the air inlet assembly and communicated with each other, a lifting assembly is arranged on the rack and positioned above the die sleeve, the lifting assembly comprises a tooth holder, a driving assembly, a gear and a rack, the driving assembly, the gear and the rack are arranged on the tooth holder, the tooth holder is fixedly arranged on the rack, and the gear is rotationally arranged on the tooth holder; the inner edge of the gear is connected with the driving component;

the rack is vertically arranged on the tooth holder, and the piston mandril is connected with the bottom of the rack; the rack is positioned in the tooth holder and meshed with the gear; the piston ejector rod is positioned above the die sleeve and coaxially arranged.

Through adopting above-mentioned technical scheme, drive gear clockwise or anticlockwise rotation, drive rack decline or rise to drive piston ejector pin decline or rise, improved drawing of patterns efficiency.

The present invention may be further configured in a preferred embodiment as: the tooth holder is vertically provided with a linear bearing, and the rack is arranged in the linear bearing in a sliding manner.

By adopting the technical scheme, the guide and free sliding of the rack are realized.

The present invention may be further configured in a preferred embodiment as: the linear bearing is positioned in the tooth holder and is internally provided with an arc-shaped groove, and the gear is positioned in the arc-shaped groove and is meshed with the rack.

Through adopting above-mentioned technical scheme, the meshing department of gear and rack is located linear bearing, and linear bearing has effectively offset the lateral force that the gear applied to the rack, guarantees the stability that the rack moved in vertical direction.

The present invention may be further configured in a preferred embodiment as: the inner wall of the linear bearing is provided with a convex sliding block, the rack is provided with a guide groove, and the sliding block is connected with the guide groove in a sliding mode.

Through adopting above-mentioned technical scheme, rack cartridge is in linear bearing, and in the slider inserted guide slot, realizes rack and linear bearing's sliding connection.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a rotating shaft and a rotating wheel, and the rotating shaft is arranged on the tooth holder in a penetrating manner;

one end of the rotating shaft, which is positioned in the tooth holder, is connected with the inner edge of the gear, and the end of the rotating shaft, which extends out of the tooth holder, is connected with the rotating wheel.

Through adopting above-mentioned technical scheme, through clockwise or anticlockwise rotatory runner drive gear to drive rack decline or rise.

The present invention may be further configured in a preferred embodiment as: and a bearing is arranged at the joint of the tooth holder and the rotating shaft, and the rotating shaft is rotatably connected with the bearing.

Through adopting above-mentioned technical scheme, guarantee the rotatory stability of gear.

The present invention may be further configured in a preferred embodiment as: the rack is provided with a fixed rod, and the tooth holder is connected with the fixed rod through a clamping hoop.

Through adopting above-mentioned technical scheme, be fixed in the dead lever with the toothholder on, can be according to the fixed position of design height adjustment clamp to satisfy the requirement of toothholder mounting height.

The present invention may be further configured in a preferred embodiment as: the piston mandril is arranged in an inverted conical shape

By adopting the technical scheme, the piston ejector rod can be conveniently inserted into the upper port of the die to seal the die.

To sum up, the utility model discloses a beneficial technological effect does:

1. the driving gear rotates clockwise or anticlockwise to drive the rack to descend or ascend, so that the piston ejector rod is driven to descend or ascend, and the demolding efficiency is improved.

2. The meshing position of the gear and the rack is positioned in the linear bearing, the linear bearing effectively counteracts the lateral force applied by the gear to the rack, and the stability of the rack moving in the vertical direction is ensured.

3. The inner wall of the linear bearing is provided with a convex sliding block, a guide groove is formed in the rack, the rack is inserted into the linear bearing, and the sliding block is inserted into the guide groove, so that the sliding connection between the rack and the linear bearing is realized.

Drawings

FIG. 1 is a schematic structural view of a pneumatic demolding device provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

fig. 5 is a schematic view of a connection structure of the air intake assembly provided by the present invention.

In the figure, 1, a frame; 11. a work table; 2. a lifting assembly; 21. a tooth holder; 22. a drive assembly; 221. a rotating shaft; 222. a rotating wheel; 23. a gear; 24. a rack; 241. a guide groove; 3. a linear bearing; 31. an arc-shaped slot; 32. a slider; 4. fixing the rod; 5. clamping a hoop; 6. a piston ejector rod; 7. an air intake assembly; 71. bending the pipe; 711. an air inlet; 712. an air valve; 72. a quick coupling; 73. die sleeve; 74. an air inlet pipe; 8. and a bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a pneumatic demoulding device, including frame 1, the workstation 11 that is located frame 1 top, set up lifting unit 2 and the subassembly 7 that admits air on workstation 11, set up the die sleeve 73 on subassembly 7 that admits air and set up the piston rod 6 on lifting unit 2, drive piston rod 6 through lifting unit 2 and move in vertical direction.

Referring to fig. 1 and 4, the lifting assembly 2 includes a gear base 21, a driving assembly 22 disposed on the gear base 21, a gear 23 and a rack 24, a fixing rod 4 for fixing the lifting assembly 2 is fixedly connected to the working table 11, and the fixing rod 4 is made of a steel pipe. The appearance of toothholder 21 is the box, and fixedly connected with clamp 5 is located the box outer wall of one side. The solid fixed ring of clamp 5 is two semicircle arc lamellar bodies, and encircles at the edge of dead lever 4 week, adopts the bolt to connect two arc lamellar bodies, makes toothholder 21 fix on dead lever 4. Here, the fixing position of the yoke 5 can be adjusted according to the design height, thereby satisfying the installation height requirement of the toothholder 21.

Referring to fig. 2 and 4, the linear bearing 3 is vertically disposed on the toothholder 21, and two ends of the linear bearing 3 respectively penetrate through the top and the bottom of the toothholder 21 and extend out, and are welded and fixed at the connection part with the toothholder 21. The linear bearing 3 is provided with an arc-shaped slot 31 at the part positioned in the tooth holder 21. The rack 24 is a cylinder, a sliding block 32 protrudes inwards from the inner wall of the linear bearing 3, correspondingly, a guide groove 241 matched with the sliding block 32 is formed in the rack 24, and the rack 24 is inserted into the linear bearing 3 to enable the sliding block 32 to be connected with the guide groove 241 in a sliding mode, so that the rack 24 can be guided and freely slide.

Referring to fig. 1 and 4, a rotating shaft 221 penetrates through the inner edge of the gear 23, key grooves are respectively formed in the inner edge of the gear 23 and the rotating shaft 221, and a connecting key is inserted into the key grooves to realize transmission connection between the rotating shaft 221 and the gear 23. Both ends of axis of rotation 221 and toothholder 21 swivelling joint, lie in the junction on the toothholder 21 and install bearing 8, the both ends of axis of rotation 221 are connected with bearing 8 inner circle interference fit, guarantee the rotatory stability of gear 23. One end of the rotating shaft 221 extends out of the tooth holder 21, and the end is fixedly connected with a rotating wheel 222. The gear 23 is arranged at the arc-shaped groove 31 of the linear bearing 3 and is in meshed transmission with the rack 24, the meshed part of the gear 23 and the rack 24 is positioned in the linear bearing 3, the linear bearing 3 effectively counteracts the lateral force applied by the gear 23 to the rack 24, and the stability of the rack 24 in moving in the vertical direction is ensured. The gear 23 is driven by rotating the wheel 222 clockwise or counterclockwise, thereby lowering or raising the rack 24.

Referring to fig. 3 and 5, the air intake assembly 7 includes an elbow 71 and a quick coupling 72, wherein the elbow 71 has a top end extending through the worktable 11 and a bottom end located below the worktable 11 and provided with an air valve 712 and an air inlet 711. One end of the quick coupling 72 communicates with the top end of the elbow 71, and the other end communicates with the die case 73. The air inlet 711 is connected to an air inlet pipe 74 to allow air to be introduced into the die case 73.

The piston rod 6 is an inverted cone which is fixedly connected to the bottom of the rack 24, is positioned above the die sleeve 73 and is coaxial with the die sleeve 73. During demoulding, a product with a mould is arranged on the mould sleeve 73, the piston ejector rod 6 is lowered to be inserted into the upper port of the mould to seal the mould, air is introduced into the mould sleeve 73, high-pressure air enters a gap between the product and the mould to eject the mould, and pneumatic demoulding of the product is realized.

The implementation principle of the embodiment is as follows: during demolding, the rotating wheel 222 is rotated clockwise to drive the gear 23, the rack 24 is driven to descend, the piston ejector rod 6 is inserted into the mold, and air is introduced into the mold sleeve 73 to realize pneumatic demolding of the product; the wheel 222 rotates counterclockwise to drive the gear 23, which drives the rack 24 to rise, and the mold is taken out, and the product is taken off from the mold sleeve 73.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pneumatic demoulding device, includes frame (1), piston ejector pin (6), set up in admit air subassembly (7) and die sleeve (73) in frame (1), die sleeve (73) are located the top of subassembly (7) and intercommunication each other admit air, its characterized in that: a lifting assembly (2) is arranged above the die sleeve (73) on the rack (1), the lifting assembly (2) comprises a tooth holder (21), a driving assembly (22) arranged on the tooth holder (21), a gear (23) and a rack (24), the tooth holder (21) is fixedly arranged on the rack (1), and the gear (23) is rotatably arranged on the tooth holder (21); the inner edge of the gear (23) is connected with the driving component (22);

the rack (24) is vertically arranged on the tooth holder (21), and the piston mandril (6) is connected with the bottom of the rack (24); the rack (24) is positioned in the tooth holder (21) and meshed with the gear (23); the piston ejector rod (6) is positioned above the die sleeve (73) and is coaxially arranged.

2. A pneumatic stripping apparatus as claimed in claim 1, characterized in that: the tooth holder (21) is vertically provided with a linear bearing (3), and the rack (24) is arranged in the linear bearing (3) in a sliding manner.

3. A pneumatic stripping apparatus as claimed in claim 2, characterized in that: the linear bearing (3) is positioned in the tooth holder (21) and is internally provided with an arc-shaped groove (31), and the gear (23) is positioned in the arc-shaped groove (31) and is meshed with the rack (24).

4. A pneumatic stripping apparatus as claimed in claim 2, characterized in that: the inner wall of the linear bearing (3) is provided with a convex sliding block (32), the rack (24) is provided with a guide groove (241), and the sliding block (32) is connected with the guide groove (241) in a sliding mode.

5. A pneumatic stripping apparatus as claimed in claim 1, characterized in that: the driving assembly (22) comprises a rotating shaft (221) and a rotating wheel (222), and the rotating shaft (221) is arranged on the tooth holder (21) in a penetrating mode;

one end of the rotating shaft (221) positioned in the tooth holder (21) is connected with the inner edge of the gear (23), and one end extending out of the tooth holder (21) is connected with the rotating wheel (222).

6. A pneumatic stripping apparatus as claimed in claim 5, characterized in that: the connection part of the tooth holder (21) and the rotating shaft (221) is provided with a bearing (8), and the rotating shaft (221) is rotatably connected with the bearing (8).

7. A pneumatic stripping apparatus as claimed in claim 1, characterized in that: the rack (1) is provided with a fixed rod (4), and a clamp (5) is arranged between the tooth holder (21) and the fixed rod (4) for connection.

8. A pneumatic stripping apparatus as claimed in claim 1, characterized in that: the piston mandril (6) is arranged in an inverted cone shape.