CN216032067U - Integrative injection mold of electric tool handle of embedded carriage - Google Patents
Integrative injection mold of electric tool handle of embedded carriage Download PDFInfo
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- CN216032067U CN216032067U CN202122036548.XU CN202122036548U CN216032067U CN 216032067 U CN216032067 U CN 216032067U CN 202122036548 U CN202122036548 U CN 202122036548U CN 216032067 U CN216032067 U CN 216032067U
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- reed
- fixed column
- embedded
- sliding
- tail end
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- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000001746 injection moulding Methods 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 15
- 238000007667 floating Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 5
- 244000273256 Phragmites communis Species 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an integral injection mold of an electric tool handle with an embedded support frame, wherein handle forming grooves with circular cross sections are arranged on an upper mold and a lower mold; the tail ends of the upper die and the lower die are connected with a supporting plate through a sliding connection mechanism, a fixing column is vertically fixed in the middle of the supporting plate, and the fixing column fixes a supporting frame through a connection assembly; the connecting assembly comprises a tail end molding ring sleeved at the tail end of the fixed column, and the front end of the tail end molding ring is provided with a pushing inclined plane inclined relative to the axis of the tail end molding ring; coupling assembling still including arranging in the front end fixture of fixed column front end, front end fixture includes that a plurality of annular array arrange in the promotion groove of fixed column front end, and it has the promotion reed to promote inslot sliding connection, and the rear end that promotes the reed is connected with the promotion portion through the portion of bending of U-shaped, has a push rod at the inside sliding connection of fixed column, is provided with annular recess of inlaying at the front end inner wall of carriage, and the front end that promotes the reed is embedded into to inlay in the recess.
Description
Technical Field
The utility model relates to an integrated injection mold for an electric tool handle with a built-in supporting frame, and belongs to the field of injection molds.
Background
In order to ensure the strength and the stability of battery installation, the electric tool generally embeds a metal or resin positioning ring in an injection molding part to improve the strength of a handle and the accuracy of battery assembly; in the traditional process, an embedded part is generally placed in a mold in advance, and the embedded part is installed through multiple injection molding, but injection molding fluid and heat of the fluid can extrude the embedded part, so that the embedded part is deformed or extruded and deviated, and the quality of a finished product is influenced finally.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the technical problem in the prior art is overcome, and an integrated injection mold of an electric tool handle with a built-in supporting frame is provided.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
an integrated injection mold of an electric tool handle with a built-in supporting frame comprises an upper mold and a lower mold, wherein handle forming grooves with circular cross sections are formed in the upper mold and the lower mold, two groups of handle forming grooves form a cylindrical forming cavity, and injection molding holes communicated with the handle forming grooves are formed in the upper mold and the lower mold; the tail ends of the upper die and the lower die are connected with a supporting disc through a sliding connection mechanism, the supporting disc is perpendicular to the forming cavity, a handle inner cavity molding piece is vertically fixed in the middle of the supporting disc and comprises a fixing column, and the fixing column is used for fixing a supporting frame through a connection assembly; the connecting assembly comprises a tail end molding ring sleeved at the tail end of the fixed column, the front end of the tail end molding ring is provided with a pushing inclined plane inclined relative to the axis of the tail end molding ring, and the tail end of the supporting frame is in contact with the pushing inclined plane; coupling assembling still arranges in the front end fixture of fixed column front end including arranging, and front end fixture includes that a plurality of annular array arrange in the promotion groove of fixed column front end, promotes inslot sliding connection has the promotion reed, promotes the reed front end and stretches out the fixed column outside, and the rear end that promotes the reed is connected with a promotion portion through the portion of bending of U-shaped the inside sliding connection of fixed column has a push rod, push rod's front end and promotion portion contact, and the portion of bending makes the promotion reed front end stretch out the fixed column outside through pushing up the ejector pad extrusion, is provided with annular recess of inlaying at the front end inner wall of carriage, and the front end that promotes the reed is embedded in inlaying the recess.
As a further improvement of the utility model, a sliding hole is arranged inside the fixed column, the push rod is connected with the fixed column in a sliding way through the sliding hole, a plurality of embedding grooves are arranged on the inner wall of the front end of the sliding hole in an annular array mode, the pushing parts of the pushing reeds are embedded into the embedding grooves, and pushing blocks embedded into the embedding grooves are arranged on the end part of the push rod in an annular array mode.
As a further improvement of the utility model, a cylindrical extrusion block is arranged at the front end of the sliding hole, a spherical extrusion surface is arranged at the front end of the extrusion block, and the U-shaped bending part of the push reed is contacted with the extrusion surface.
As a further improvement of the utility model, the tail end of the ejector rod is provided with a floating piston which is in sliding sealing contact with the inner wall of the sliding hole, and the tail end of the sliding hole is provided with a pressurizing valve.
As a further improvement of the utility model, the sliding connection mechanism comprises a plurality of sliding rods vertically connected with the tail ends of the upper die and the lower die, a plurality of sliding seats are vertically fixed on the supporting disc, and the sliding rods are in sliding connection with the sliding seats.
As a further improvement of the utility model, an annular positioning groove is arranged at the tail end of the fixing column, and an annular positioning bulge embedded into the positioning groove is arranged on the inner wall of the tail end molding ring.
The utility model has the beneficial effects that:
1. according to the utility model, the expandable front self-centering fixing mechanism and the rear inclined plane structure self-positioning fixing mechanism are adopted, the relative position of the supporting frame is accurately controlled by using the tail end molding ring, and the expandable pressing structure can ensure that the supporting frame cannot deviate in the injection molding process, so that the final quality of an injection molding product is ensured.
2. The tail end of the push reed is guided through the embedding groove, so that the tail end of the push reed is prevented from deviating from the axis to swing, and the consistency of the extending amount of the push reed after pushing is ensured.
3. The ejector rod is supported by an air piston mechanism, so that the supporting frame can be clamped by dynamic guarantee in the injection molding process, and the stability is improved.
4. The sliding connection structure of the sliding rod is more stable, and the coaxiality is better kept.
5. The positioning groove can ensure the fixing stability of the end molding ring and prevent the end molding ring from deviating or being extruded to deform in the injection molding process.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
in the figure: 1. an upper die; 2. a lower die; 3. injection molding holes; 4. a handle forming groove; 5. fixing a column; 6. a slide hole; 7. pushing the push rod; 8. embedding a groove; 9. a pushing block; 10. pushing the reed; 11. a push groove; 12. a pushing part; 13. a support frame; 14. extruding the block; 15. a positioning groove; 16. a terminal molding ring; 17. a positioning groove; 18. positioning the projection; 19. pushing the inclined plane; 20. a support disc; 21. a slide bar; 22. a sliding seat; 23. a floating piston; 24. a pressurization valve; 25. the apparatus includes a cavity.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in figure 1, the utility model relates to an integrated injection mold of an electric tool handle with a built-in supporting frame, which comprises an upper mold and a lower mold, wherein handle forming grooves with circular cross sections are respectively arranged on the upper mold and the lower mold, two groups of handle forming grooves form a cylindrical forming cavity, and injection molding holes communicated with the handle forming grooves are respectively arranged on the upper mold and the lower mold; the tail ends of the upper die and the lower die are connected with a supporting disc through a sliding connection mechanism, the supporting disc is perpendicular to the forming cavity, a handle inner cavity molding piece is vertically fixed in the middle of the supporting disc and comprises a fixing column, and the fixing column is used for fixing a supporting frame through a connection assembly; the connecting assembly comprises a tail end molding ring sleeved at the tail end of the fixed column, the front end of the tail end molding ring is provided with a pushing inclined plane inclined relative to the axis of the tail end molding ring, and the tail end of the supporting frame is in contact with the pushing inclined plane; the connecting assembly further comprises a front end clamping mechanism arranged at the front end of the fixed column, the front end clamping mechanism comprises a plurality of annular arrays arranged in a pushing groove at the front end of the fixed column, a pushing reed is connected in the pushing groove in a sliding mode, the front end of the pushing reed extends out of the fixed column, the rear end of the pushing reed is connected with a pushing portion through a U-shaped bending portion, a pushing rod is connected in the fixed column in a sliding mode, the front end of the pushing rod is in contact with the pushing portion, the bending portion is extruded through a pushing block, so that the front end of the pushing reed extends out of the fixed column, an annular embedding groove is formed in the inner wall of the front end of the supporting frame, and the front end of the pushing reed is embedded into the embedding groove;
furthermore, a sliding hole is formed in the fixed column, the push rod is connected with the fixed column in a sliding mode through the sliding hole, a plurality of embedding grooves are formed in the inner wall of the front end of the sliding hole in an annular array mode, the pushing portions of the pushing reeds are embedded into the embedding grooves, and pushing blocks embedded into the embedding grooves are arranged at the end portion of the push rod in an annular array mode;
furthermore, a cylindrical extrusion block is arranged at the front end of the sliding hole, a spherical extrusion surface is arranged at the front end of the extrusion block, and the U-shaped bending part of the push reed is in contact with the extrusion surface;
furthermore, the tail end of the ejector rod is provided with a floating piston which is in sliding sealing contact with the inner wall of the sliding hole, and the tail end of the sliding hole is provided with a pressure valve;
furthermore, the sliding connection mechanism comprises a plurality of sliding rods vertically connected to the tail ends of the upper die and the lower die, a plurality of sliding seats are vertically fixed on the supporting disc, and the sliding rods are in sliding connection with the sliding seats.
Furthermore, an annular positioning groove is formed in the tail end of the fixing column, and an annular positioning bulge embedded into the positioning groove is formed in the inner wall of the tail end molding ring;
when the device is used, the upper die, the lower die and the supporting disk can be connected to the mechanical telescopic arm, and when injection molding is needed, the upper die and the lower die are combined firstly, so that the handle forming grooves of the upper die and the lower die and the device cavity are combined with each other to form a device shell with a combined handle and motor base; then, the end molding ring is sleeved on the fixing column of the supporting disc, the end molding ring not only plays the role of end sealing of a mould, but also plays the role of accurate molding of the combination surface of the handle end battery, after the combination of the positioning groove and the positioning bulge of the end molding ring, the supporting frame is sleeved outside the fixing column, when the supporting frame is sleeved, the bent pushing inclined plane at the end of the supporting frame is contacted with the end of the end molding ring, so that the supporting frame is automatically centered, then, the floating piston drives the push rod to move by pressurizing the pressure valve in the sliding hole in the fixing column, the pushing block on the side wall of the front end of the push rod can push the pushing reed to float, so that the front end of the pushing reed slides relative to the pushing groove, further, the front end of each pushing reed uniformly extends out, the end part of the pushing reed is embedded into the positioning groove at the front end of the supporting frame, and the supporting frame is fixed, and then the supporting plate is combined with the upper die and the lower die, then injection molding operation is carried out, injection molding is carried out on the gap between the supporting frame and the handle forming groove through the injection molding hole, finally forming is carried out, after the forming is finished, extrusion in the sliding hole is released, so that the push reed retracts, then the whole equipment shell can be pulled out from the fixed column, and the injection molding process is completed.
Based on the above description of the preferred embodiments, various changes and modifications can be made by the workers in the field without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. An integrated injection mold of an electric tool handle with a built-in supporting frame comprises an upper mold and a lower mold, wherein handle forming grooves with circular cross sections are formed in the upper mold and the lower mold, two groups of handle forming grooves form a cylindrical forming cavity, and injection molding holes communicated with the handle forming grooves are formed in the upper mold and the lower mold; the method is characterized in that: the tail ends of the upper die and the lower die are connected with a supporting disc through a sliding connection mechanism, the supporting disc is perpendicular to the forming cavity, a handle inner cavity molding piece is vertically fixed in the middle of the supporting disc and comprises a fixing column, and the fixing column is used for fixing a supporting frame through a connection assembly; the connecting assembly comprises a tail end molding ring sleeved at the tail end of the fixed column, the front end of the tail end molding ring is provided with a pushing inclined plane inclined relative to the axis of the tail end molding ring, and the tail end of the supporting frame is in contact with the pushing inclined plane; coupling assembling still arranges in the front end fixture of fixed column front end including arranging, and front end fixture includes that a plurality of annular array arrange in the promotion groove of fixed column front end, promotes inslot sliding connection has the promotion reed, promotes the reed front end and stretches out the fixed column outside, and the rear end that promotes the reed is connected with a promotion portion through the portion of bending of U-shaped the inside sliding connection of fixed column has a push rod, push rod's front end and promotion portion contact, and the portion of bending makes the promotion reed front end stretch out the fixed column outside through pushing up the ejector pad extrusion, is provided with annular recess of inlaying at the front end inner wall of carriage, and the front end that promotes the reed is embedded in inlaying the recess.
2. The integral injection mold of the electric tool handle with the embedded supporting frame as claimed in claim 1, wherein: the push-up device is characterized in that a sliding hole is formed in the fixed column, the push-up rod is in sliding connection with the fixed column through the sliding hole, a plurality of embedding grooves are formed in the annular array of the inner wall of the front end of the sliding hole, the pushing portion of the pushing reed is embedded into the embedding grooves, and pushing blocks embedded into the embedding grooves are arranged on the annular array of the end portion of the push-up rod.
3. The integral injection mold of the electric tool handle with the embedded supporting frame as claimed in claim 2, wherein: the front end of the sliding hole is provided with a cylindrical extrusion block, the front end of the extrusion block is provided with a spherical extrusion surface, and the U-shaped bending part of the push reed is in contact with the extrusion surface.
4. The integral injection mold of the electric tool handle with the embedded supporting frame as claimed in claim 2, wherein: the tail end of the ejector rod is provided with a floating piston, the floating piston is in sliding sealing contact with the inner wall of the sliding hole, and the tail end of the sliding hole is provided with a pressure valve.
5. The integral injection mold of the electric tool handle with the embedded supporting frame as claimed in claim 1, wherein: the sliding connection mechanism comprises a plurality of sliding rods which are vertically connected to the tail ends of the upper die and the lower die, a plurality of sliding seats are vertically fixed on the supporting disc, and the sliding rods are in sliding connection with the sliding seats.
6. The integral injection mold of the electric tool handle with the embedded supporting frame as claimed in claim 1, wherein: the tail end of the fixing column is provided with an annular positioning groove, and the inner wall of the tail end molding ring is provided with an annular positioning bulge embedded into the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122036548.XU CN216032067U (en) | 2021-08-27 | 2021-08-27 | Integrative injection mold of electric tool handle of embedded carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122036548.XU CN216032067U (en) | 2021-08-27 | 2021-08-27 | Integrative injection mold of electric tool handle of embedded carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216032067U true CN216032067U (en) | 2022-03-15 |
Family
ID=80621964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122036548.XU Active CN216032067U (en) | 2021-08-27 | 2021-08-27 | Integrative injection mold of electric tool handle of embedded carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216032067U (en) |
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2021
- 2021-08-27 CN CN202122036548.XU patent/CN216032067U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231022 Address after: 443300 Zone D, Gaobazhou Industrial Park, Group 5, Zhongping Village, Gaobazhou Town, Yidu City, Yichang City, Hubei Province (self declared) Patentee after: Yichang Meizhou Leopard Polymer Technology Co.,Ltd. Address before: 215000 Changsheng Road, Shangyuan street, Wujiang Economic and Technological Development Zone (Tongli town), Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Xuwang precision mould Co.,Ltd. |
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| TR01 | Transfer of patent right |