CN220946431U - Transmission shaft intermediate support injection mold - Google Patents
Transmission shaft intermediate support injection mold Download PDFInfo
- Publication number
- CN220946431U CN220946431U CN202322712332.XU CN202322712332U CN220946431U CN 220946431 U CN220946431 U CN 220946431U CN 202322712332 U CN202322712332 U CN 202322712332U CN 220946431 U CN220946431 U CN 220946431U
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- Prior art keywords
- groove
- transmission shaft
- recess
- clamping block
- plate
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 23
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molds, in particular to a transmission shaft middle support injection mold which comprises an upper mold plate, a middle mold plate and a lower mold plate which are sequentially arranged from top to bottom, wherein the upper mold plate is provided with injection holes, the bottom of the upper mold plate is provided with an upper mold for forming a mold cavity, the lower mold plate is provided with a lower mold for forming the mold cavity, the middle mold plate is provided with a first groove and a second groove, the second groove is positioned between two adjacent first grooves, the first groove is provided with a through hole, the through hole corresponds to the lower mold, the second groove is provided with a clamping block, and one side, close to the first groove, of the clamping block is provided with a mandrel. According to the utility model, the clamping block and the second groove for clamping the clamping block are arranged on the middle die plate, so that a connecting hole can be formed on the side part of the middle support of the transmission shaft during injection molding, and the demolding of a product and the separation of the product and the mandrel are facilitated.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a transmission shaft middle support injection mold.
Background
In the automobile production process, for the transmission shafts with long wheelbase, an intermediate support is required to be additionally arranged between the two transmission shafts during segmentation so as to compensate the installation errors of the axial direction and the angle direction of the transmission shafts and the displacement caused by the movement of an engine or the deformation of a frame in the vehicle running process.
The transmission shaft intermediate support usually comprises an outer metal piece, an inner metal piece (or a bearing) and a middle rubber body, in the assembly process, the transmission shaft intermediate support needs to be connected and fixed with other parts, and because the middle rubber body is formed by injection molding, the transmission shaft intermediate support with a connecting hole on the side wall is difficult to obtain, and even the production efficiency of a product can be influenced, therefore, the prior art usually utilizes a clamp to realize connection, but the clamp connection is unstable, looseness is easy to occur, and the performance of the parts is influenced. Therefore, the design of the transmission shaft middle support injection mold with the connecting holes on the side has important significance.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide a transmission shaft middle support injection mold which is reasonable in design and convenient to use, and the middle support with a connecting hole on the side wall can be obtained after injection molding.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a transmission shaft intermediate support injection mold, includes from last down having set gradually cope match-plate pattern, well template and lower bolster, the cope match-plate pattern is provided with the hole of moulding plastics, the bottom of cope match-plate pattern is provided with the cope match-plate pattern that is used for forming the die cavity, the lower bolster is provided with the lower bolster that is used for forming the die cavity, the well template is provided with first recess and second recess, the second recess is located adjacent two between the first recess, first recess is provided with the through-hole, the through-hole with the lower bolster is corresponding, the second recess is provided with the fixture block, is close to one side of first recess, the fixture block is provided with the dabber.
Further, the second groove communicates with the first groove.
Further, the side close to the first groove is arc-shaped, and the side edge of the clamping block is matched with the outer wall of the outer metal piece.
Further, after the clamping block is clamped into the second groove, the surface of the clamping block and the surface of the middle die plate are located on the same plane.
Further, a positioning device is arranged between the lower die plate and the middle die plate.
The beneficial effects of the utility model are as follows: the fixture block lateral part is provided with the dabber, and during the injection molding, the dabber can be used for forming the connecting hole of transmission shaft intermediate strut lateral part, and the lateral part of the first recess of well template is provided with the second recess, and the second recess can be used for the joint fixture block. According to the utility model, the clamping block and the second groove for clamping the clamping block are arranged on the middle die plate, so that a connecting hole can be formed on the side part of the middle support of the transmission shaft during injection molding, and the demolding of a product and the separation of the product and the mandrel are facilitated.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the upper part of the present utility model.
Fig. 4 is a schematic view of the structure of the lower die plate of the present utility model.
Fig. 5 is a schematic structural view of the form in the present utility model.
Reference numerals illustrate:
1-upper template, 11-injection hole, 12-upper die, 2-middle template, 21-first groove, 22-second groove, 23-through hole, 3-lower template, 31-lower die, 4-fixture block, 41-mandrel.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
As shown in fig. 1-5, an injection mold for supporting a transmission shaft in the middle of the present embodiment includes an upper mold plate 1, a middle mold plate 2 and a lower mold plate 3 sequentially disposed from top to bottom, the upper mold plate 1 is provided with an injection hole 11, rubber is injected into a mold cavity formed by the injection hole 11, the middle mold plate 2, the lower mold plate 3, an outer metal piece, and an inner metal piece (or a bearing), an upper mold 12 for forming the mold cavity is disposed at the bottom of the upper mold plate 1, an exhaust hole is disposed in the middle of the upper mold 12, the lower mold plate 3 is provided with a lower mold 31 for forming the mold cavity, the middle mold plate 2 is provided with a first groove 21 and a second groove 22, the first groove 21 is used for placing the outer metal piece, the second groove 22 is used for placing a clamping block 4, the second groove 22 is located between two adjacent first grooves 21, the contour of the first groove 21 corresponds to the outer metal piece, the first groove 21 is provided with a through hole 23, the through hole 23 can allow the lower mold 31 to extend into the first groove 21, the through hole 23 corresponds to the lower mold 21, the second groove 22 is provided with a first groove 21, and the second groove 22 is provided with a clamping block 41, and the second groove 4 is provided with a clamping block 41 for connecting the first groove and the second groove is used for forming the middle mold 4.
The injection mold array is provided with a plurality of mold cavities, when the injection mold array works, a middle mold plate 2 is placed above a lower mold plate 3, a lower mold 31 of the lower mold plate 3 extends out of a through hole 23 of the lower mold plate 2, an inner metal piece or a bearing supported in the middle of a transmission shaft is placed in a corresponding placing groove of the lower mold plate 31, a mandrel 41 on the side part of a clamping block 4 is inserted into the through hole of an outer metal piece, the clamping block 4 and the outer metal piece are placed in the middle mold plate 2 together, the clamping block 4 is clamped into a second groove 22, the outer metal piece is placed in a first groove 22, the arc-shaped part of the outer metal piece is placed outside the lower mold plate 31, the lower mold plate 31 is positioned in the outer metal piece, two support legs of the outer metal piece are positioned in the first groove 21, and thus when a product is taken out, the lower mold plate 3 is separated from the middle mold plate 2, and the product can be separated from the lower mold plate 31. And injecting rubber into a mold cavity formed by the outer metal piece, the inner metal piece (or a bearing), the upper mold 12 and the lower mold 31 through the injection molding holes 11 by the cover upper mold plate 1, cooling, and taking out the product to obtain the transmission shaft intermediate support product.
As shown in fig. 5, the second groove 22 is communicated with the first groove 21, after the mandrel at the side of the clamping block 4 is matched with the through hole of the outer metal piece, the clamping block 4 is clamped into the second groove 22, and the mandrel 41 can extend into the first groove 21, that is, the mandrel 41 extends into the die cavity between the inner metal piece and the outer metal piece.
As shown in fig. 2, the side of the clamping block 4 near the side of the first groove 21 is arc-shaped and matched with the outer wall of the outer metal piece, so that the clamping block 4 is convenient to be closely contacted and matched with the side wall of the outer metal piece, and the clamping block 4 and the outer metal piece are convenient to be put into the middle template 2.
After the clamping block 4 is clamped into the second groove 22, the surface of the clamping block 4 and the surface of the middle die plate 2 are located on the same plane, so that a complete closed die cavity is formed after the upper die plate 1 is covered above the middle die plate 2.
A positioning device is arranged between the lower template 3 and the middle template 2, one template of the positioning device can be provided with a positioning column, the other template is provided with a positioning hole matched with the positioning column, and the lower template 3 and the middle template 2 are matched conveniently through the positioning device.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a transmission shaft intermediate support injection mold which characterized in that: including having set gradually cope match-plate pattern (1), well template (2) and lower bolster (3) from last down, cope match-plate pattern (1) are provided with injection molding hole (11), the bottom of cope match-plate pattern (1) is provided with cope match-plate pattern (12) that are used for forming the die cavity, lower bolster (3) are provided with lower bolster (31) that are used for forming the die cavity, well template (2) are provided with first recess (21) and second recess (22), second recess (22) are located adjacent two between first recess (21), first recess (21) are provided with through-hole (23), through-hole (23) with lower bolster (31) are corresponding, second recess (22) are provided with fixture block (4), are close to one side of first recess (21), fixture block (4) are provided with dabber (41).
2. The transmission shaft intermediate support injection mold according to claim 1, wherein: the second groove (22) is in communication with the first groove (21).
3. The transmission shaft intermediate support injection mold according to claim 1, wherein: the side close to the first groove (21) is provided with an arc-shaped matched with the outer wall of the outer metal piece.
4. The transmission shaft intermediate support injection mold according to claim 1, wherein: after the clamping block (4) is clamped into the second groove (22), the surface of the clamping block (4) and the surface of the middle template (2) are located on the same plane.
5. The transmission shaft intermediate support injection mold according to claim 1, wherein: a positioning device is arranged between the lower die plate (3) and the middle die plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712332.XU CN220946431U (en) | 2023-10-10 | 2023-10-10 | Transmission shaft intermediate support injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712332.XU CN220946431U (en) | 2023-10-10 | 2023-10-10 | Transmission shaft intermediate support injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220946431U true CN220946431U (en) | 2024-05-14 |
Family
ID=91025871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712332.XU Active CN220946431U (en) | 2023-10-10 | 2023-10-10 | Transmission shaft intermediate support injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220946431U (en) |
-
2023
- 2023-10-10 CN CN202322712332.XU patent/CN220946431U/en active Active
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| GR01 | Patent grant |