CN216732803U - Protruding demoulding mechanism of loosing core of cavity pipe - Google Patents
Protruding demoulding mechanism of loosing core of cavity pipe Download PDFInfo
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- CN216732803U CN216732803U CN202122806639.7U CN202122806639U CN216732803U CN 216732803 U CN216732803 U CN 216732803U CN 202122806639 U CN202122806639 U CN 202122806639U CN 216732803 U CN216732803 U CN 216732803U
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- shaped groove
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Abstract
The utility model relates to a hollow circular tube protrusion core-pulling demoulding mechanism which comprises a horizontal sliding block and a forming block, wherein the horizontal sliding block is connected with a rear mould in a sliding mode, the forming block is arranged on the horizontal sliding block, an inclined guide hole is formed in the horizontal sliding block, the inclined guide hole penetrates through the horizontal sliding block from the left side of the top of the horizontal sliding block to the right side of the bottom of the horizontal sliding block, the forming block is arranged on the left side of the horizontal sliding block, a forming surface is arranged on the left side of the forming block, a hollow tube forming cavity extending left and right is arranged on the left side of the forming block, a core-pulling needle is arranged on the horizontal sliding block, the core-pulling needle penetrates through the forming block left and right, the left end of the core-pulling needle extends into the hollow tube forming cavity, the core-pulling needle is coaxial with the hollow tube forming cavity, and the forming block is connected with the horizontal sliding block in a sliding mode left and right. According to the utility model, the forming block is not moved along with the horizontal sliding block at the initial stage of demoulding through the forming block in sliding connection, the core pulling needle firstly realizes core pulling, so that the step-by-step demoulding of the hollow pipe part is realized, the drawing force of the hollow pipe during demoulding is reduced, the hollow pipe is effectively prevented from being damaged by drawing in the demoulding process, and the structure of the step-by-step demoulding is simple.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a protruding core-pulling demolding mechanism for a hollow circular tube.
Background
Plastic parts are widely used because of their good physical and chemical properties. The existing injection molding piece is usually molded by an injection mold in large-scale production. Due to the fact that the part of the injection molding part is required to be installed, the hollow screw installation pipe is arranged on the outer side of the injection molding part, and when the screw installation pipe is long in length and thin in wall thickness, the screw installation pipe is prone to being damaged by pulling in a demolding mode.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a hollow circular tube protruding core-pulling demoulding mechanism.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a protruding demoulding mechanism of loosing core of cavity pipe, include with back mould sliding connection's horizontal slider, set up in become the piece on the horizontal slider, be equipped with oblique guide hole on the horizontal slider, oblique guide hole runs through from horizontal slider top left side direction horizontal slider bottom right side horizontal slider, become the piece set up in horizontal slider left side, it is equipped with the profiled surface that is used for the injection molding to become the piece left side, become the hollow tube shaping chamber that the piece left side was equipped with left right extension, be equipped with the needle of loosing core that extends about on the horizontal slider, it runs through to loose core about the needle become the piece, it stretches into to loose core needle left end the hollow tube shaping chamber, the core-pulling needle with hollow tube shaping chamber is coaxial, become the piece with horizontal slider horizontal sliding connection of sliding from left to right.
Make the drawing of patterns initial stage through sliding connection's shaping piece in the above-mentioned design, the shaping piece does not follow horizontal slider and removes, and the needle of loosing core realizes loosing core earlier, and then realizes the substep drawing of patterns at hollow tube position, and the pulling force when reducing the drawing of patterns in-process hollow tube drawing of patterns, prevents effectively that drawing of patterns in-process from pulling out the bad hollow tube, and the simple structure of substep drawing of patterns.
As a further improvement of the design, a T-shaped groove extending from front to back is formed in the left side of the horizontal sliding block, the left side of the T-shaped groove is open, a T-shaped block matched with the T-shaped groove is arranged on the right side of the forming block, the T-shaped block comprises a neck and a head arranged at the right end of the neck, the length of the neck in the left-right direction is greater than that of the opening of the T-shaped groove in the left-right direction, the upper surface and the lower surface of the neck are attached to the upper surface and the lower surface of the opening of the T-shaped groove, the left width and the right width of the head are smaller than the left width and the right width of the inside of the T-shaped groove, the upper surface and the lower surface of the head are attached to the upper surface and the lower surface of the inside of the T-shaped groove, namely, in the mold opening process, and the T-shaped block is in sliding fit with the left direction and the right direction of the T-shaped groove. The stroke and guide control of the forming block is realized by adopting the T-shaped groove and the T-shaped block and the corresponding relation of the size of the T-shaped groove and the size of the T-shaped block, and the structure is simple.
As a further improvement of the design, the upper side and the lower side of the neck and the upper side and the lower side of the inner part of the T-shaped groove are respectively provided with a reticular oil groove, so that the oil grooves provide lubricating grease for friction surfaces in the process of die assembly and die sinking, the sliding damping of the forming block is reduced, and the forming block is prevented from moving along with the horizontal sliding block at the initial stage of die stripping. The oil groove adopts netted, and the oil groove of the lubricating grease of being convenient for moves in, prevents to guarantee that oil groove everywhere all has lubricating grease.
As a further improvement of the design, the core-pulling needle is detachably and mechanically connected with the horizontal sliding block, so that the core-pulling needle can be rapidly disassembled and assembled.
As a further improvement of the design, the T-shaped groove penetrates through the horizontal sliding block from front to back, so that the forming block and the horizontal sliding block can be assembled conveniently.
The utility model has the beneficial effects that: according to the utility model, the forming block is not moved along with the horizontal sliding block at the initial stage of demoulding through the forming block in sliding connection, the core pulling needle firstly realizes core pulling, so that the step-by-step demoulding of the hollow pipe part is realized, the drawing force of the hollow pipe during demoulding is reduced, the hollow pipe is effectively prevented from being damaged by drawing in the demoulding process, and the structure of the step-by-step demoulding is simple.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of the working state of the present invention.
Fig. 2 is a schematic cross-sectional view of the working state of the present invention.
Fig. 3 is a perspective view of the forming block of the present invention.
Fig. 4 is a perspective view of the horizontal slider of the present invention.
In the figure, 1 is a horizontal sliding block, 2 is an inclined guide hole, 3 is a head, 4 is a neck, 5 is a core-pulling needle, 6 is a T-shaped groove, 7 is a forming block, 8 is a hollow tube forming cavity, 9 is an injection molding piece, 10 is a forming surface, and 11 is an oil groove.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
The embodiment is as follows: a core-pulling demoulding mechanism with a hollow circular tube protrusion comprises a horizontal sliding block 1 connected with a rear mould in a sliding way, a forming block 7 arranged on the horizontal sliding block 1, the horizontal sliding block 1 is provided with an inclined guide hole 2, the inclined guide hole 2 penetrates through the horizontal sliding block 1 from the left side of the top of the horizontal sliding block 1 to the right side of the bottom of the horizontal sliding block 1, the forming block 7 is arranged at the left side of the horizontal sliding block 1, a forming surface 10 for forming an injection molding piece 9 is arranged at the left side of the forming block 7, a hollow tube forming cavity 8 extending left and right is arranged at the left side of the forming block 7, a core-pulling needle 5 extending left and right is arranged on the horizontal sliding block 1, the left end and the right end of the core drawing needle 5 penetrate through the forming block 7, the left end of the core drawing needle 5 extends into the hollow tube forming cavity 8, the core pulling needle 5 is coaxial with the hollow tube forming cavity 8, and the forming block 7 is connected with the horizontal sliding block 1 in a left-right sliding mode.
Make the drawing of patterns initial stage through sliding connection's shaping piece 7 in the above-mentioned design, shaping piece 7 does not follow horizontal slider 1 and removes, and core-pulling needle 5 realizes loosing core earlier, and then realizes the substep drawing of patterns at hollow tube position, and the pulling force when reducing the drawing of patterns in-process hollow tube drawing of patterns effectively prevents to draw bad hollow tube among the drawing of patterns process, and the simple structure of substep drawing of patterns.
As a further improvement of the design, a T-shaped groove 6 extending from front to back is arranged on the left side of the horizontal sliding block 1, the left side of the T-shaped groove 6 is open, a T-shaped block matched with the T-shaped groove 6 is arranged on the right side of the forming block 7, the T-shaped block comprises a neck 4 and a head 3 arranged at the right end of the neck 4, the length of the left side and the right side of the neck 4 is greater than the length of the left side and the right side of the opening of the T-shaped groove 6, the upper side and the lower side of the neck 4 are attached to the upper side and the lower side of the opening of the T-shaped groove 6, the left width and the right width of the head 3 are smaller than the left width and the right width of the inside of the T-shaped groove 6, the upper side and the lower side of the head 3 are attached to the upper side and the lower side of the inside of the T-shaped groove 6, namely, the T-shaped block is in sliding fit with the T-shaped groove 6 in the left direction. The stroke and guide control of the forming block 7 is realized by adopting the T-shaped groove 6 and the T-shaped block and the corresponding relation of the sizes of the T-shaped groove 6 and the T-shaped block, and the structure is simple.
As a further improvement of the design, the upper side and the lower side of the neck 4 and the upper side and the lower side of the inside of the T-shaped groove 6 are respectively provided with a reticular oil groove 11, so that the oil grooves 11 provide lubricating grease for friction surfaces in the processes of die assembly and die opening, the sliding damping of the forming block 7 is reduced, and the forming block 7 is prevented from moving along with the horizontal sliding block 1 at the initial stage of die opening. The oil groove 11 is in a net shape, so that the lubricating grease can conveniently run in the oil groove 11, and the lubricating grease can be prevented from being guaranteed at all positions of the oil groove 11.
As a further improvement of the design, the core drawing needle 5 is detachably and mechanically connected with the horizontal sliding block 1, so that the core drawing needle 5 can be conveniently and quickly disassembled and assembled.
As a further improvement of the design, the T-shaped groove 6 penetrates through the horizontal sliding block 1 from front to back, so that the assembly of the forming block 7 and the horizontal sliding block 1 is facilitated.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a protruding demoulding mechanism of loosing core of cavity pipe, include with back mould sliding connection's horizontal slider, set up in become the piece on the horizontal slider, a serial communication port, be equipped with oblique guide hole on the horizontal slider, oblique guide hole runs through from horizontal slider top left side direction horizontal slider bottom right side horizontal slider, become the piece set up in horizontal slider left side, become the piece left side and be equipped with the profiled surface that is used for the injection molding, become the hollow tube shaping chamber that extends about the piece left side is equipped with, be equipped with the needle of loosing core that extends about the horizontal slider, it runs through to loose core about the needle become the piece, it stretches into to loose core needle left end hollow tube shaping chamber, the core needle with hollow tube shaping chamber is coaxial, become the piece with horizontal slider horizontal sliding connection.
2. The raised core-pulling demolding mechanism for the hollow round tube according to claim 1, wherein a T-shaped groove extending front and back is formed in the left side of the horizontal sliding block, the left side of the T-shaped groove is open, a T-shaped block matched with the T-shaped groove is arranged on the right side of the forming block, the T-shaped block comprises a neck and a head arranged at the right end of the neck, the length of the neck in the left-right direction is larger than the length of the opening of the T-shaped groove in the left-right direction, the upper surface and the lower surface of the neck are attached to the upper surface and the lower surface of the opening of the T-shaped groove, the width of the head in the left-right direction is smaller than the width of the inside of the T-shaped groove, the upper surface and the lower surface of the head are attached to the upper surface and the lower surface of the inside of the T-shaped groove, and the T-shaped block is in sliding fit with the T-shaped groove in the left-right direction in the mold opening process.
3. The mechanism of claim 2, wherein the upper and lower sides of the neck and the upper and lower sides of the inside of the T-shaped groove are provided with a mesh-shaped oil groove.
4. The mechanism of claim 1, wherein the core-pulling needle is detachably and mechanically connected to the horizontal slider.
5. The mechanism of claim 2, wherein the T-shaped groove penetrates the horizontal slider forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122806639.7U CN216732803U (en) | 2021-11-17 | 2021-11-17 | Protruding demoulding mechanism of loosing core of cavity pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122806639.7U CN216732803U (en) | 2021-11-17 | 2021-11-17 | Protruding demoulding mechanism of loosing core of cavity pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216732803U true CN216732803U (en) | 2022-06-14 |
Family
ID=81928475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122806639.7U Active CN216732803U (en) | 2021-11-17 | 2021-11-17 | Protruding demoulding mechanism of loosing core of cavity pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216732803U (en) |
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2021
- 2021-11-17 CN CN202122806639.7U patent/CN216732803U/en active Active
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