CN223326828U - Injection molding machine tail plate lightweight structure - Google Patents
Injection molding machine tail plate lightweight structureInfo
- Publication number
- CN223326828U CN223326828U CN202422407993.6U CN202422407993U CN223326828U CN 223326828 U CN223326828 U CN 223326828U CN 202422407993 U CN202422407993 U CN 202422407993U CN 223326828 U CN223326828 U CN 223326828U
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- China
- Prior art keywords
- tail plate
- connecting rod
- rear connecting
- injection molding
- molding machine
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Abstract
本实用新型涉及一种注塑机尾板轻量化结构，包括尾板主体和对称设置于所述尾板主体上下两侧的后连杆支撑座，所述后连杆支撑座的内侧壁开设有用于减轻所述后连杆支撑座的质量和减小应力集中的第一减料孔结构。通过开设第一减料孔结构，既能够减轻尾板重量又能够提高尾板刚性强度。
The utility model relates to a lightweight tailgate structure for an injection molding machine, comprising a tailgate body and rear link support bases symmetrically disposed above and below the tailgate body. The inner sidewalls of the rear link support bases are provided with first material-reducing holes for reducing the weight of the rear link support base and mitigating stress concentration. The first material-reducing holes reduce the weight of the tailgate and improve its rigidity.
Description
Technical Field
The utility model relates to the field of injection molding machines, in particular to a light-weight structure of a tail plate of an injection molding machine.
Background
The tail plate of the injection molding machine is an important part positioned at the rear part of the injection molding machine, and the tail plate has the functions of fixing a mold and an injection system and bearing the pressure in the injection molding process. Modern injection molding machine endgates are typically made of heavy metals such as steel or aluminum alloys to ensure adequate strength and rigidity.
The Chinese patent CN213890970U proposes a tail plate of an injection molding machine, which comprises a tail plate main body, wherein a storage bin is arranged in the tail plate main body, a connecting rod is fixedly arranged at the front end of the tail plate main body, and a hinge hole is formed at the front end of the connecting rod. When the tail plate is arranged on the injection molding machine, the connecting rod is connected with the pull rod and the crankshaft connecting rod through the hinge hole, and the pull rod and the crankshaft connecting rod apply bending tension in the horizontal direction to the tail plate through the connecting rod. In the transmission process of the tensile force, the tail plate main body bears larger stress, the tail plate main body has fracture risk, and the structural stability of the tail plate is lower and needs to be improved.
Disclosure of utility model
In order to improve structural stability of a tail plate, the utility model provides a light structure of an injection molding machine tail plate.
The utility model provides a light-weight structure of an injection molding machine tail plate, which adopts the following technical scheme:
The utility model provides a light-weight structure of injection molding machine tail plate, includes the tail plate main part with the symmetry set up in the back connecting rod supporting seat of both sides about the tail plate main part, the inside wall of back connecting rod supporting seat has been seted up and has been used for alleviateing the quality of back connecting rod supporting seat and the first material hole structure that subtracts that reduces stress concentration.
By adopting the technical scheme, the first material reducing hole structure is formed in the rear connecting rod supporting seat, so that the weight of the rear connecting rod supporting seat is reduced. And after the first material reducing hole structure is formed in the rear connecting rod supporting seat, the threshold value that the rear connecting rod supporting seat can deform is increased, and the stress borne by the rear connecting rod supporting seat can be released at the first material reducing hole structure, so that the stress borne by the tail plate is reduced, and the tail plate is not easy to break.
And because the mode locking force drives the back connecting rod supporting seat to bend towards the central direction of keeping away from the tailboard main part, back connecting rod supporting seat outer wall receives stress influence factor great, and the inner wall receives stress influence factor less, consequently it is comparatively suitable to set up the inside wall that subtracts the material hole structure in back connecting rod supporting seat, can reduce stress concentration.
Optionally, the first material reducing hole structure includes a first cavity, and the first cavity does not penetrate through the rear connecting rod supporting seat.
Optionally, the width of the first cavity is 1/3~3/4 of the width of the rear connecting rod supporting seat, and the height of the first cavity is 1/3-2/3 of the height of the rear connecting rod supporting seat.
Through adopting above-mentioned technical scheme, specifically disclose a structural style of first material hole structure that subtracts, first material hole structure is the form of single hole to the area of first cavity is great, makes the back connecting rod supporting seat can reduce more quality, improves the deformability of back connecting rod supporting seat simultaneously, and back connecting rod supporting seat can release the stress.
Optionally, the material reducing hole structure includes at least two first cavities, the first cavities are arranged at intervals of the rear connecting rod supporting seat, and the first cavities do not penetrate through the rear connecting rod supporting seat.
Optionally, a reinforcing rib for improving the structural strength of the rear connecting rod supporting seat is formed between the adjacent first cavities.
Through adopting above-mentioned technical scheme, specifically disclose another structural style of first material hole structure that subtracts, first material hole structure is porous form, sets up a plurality of first cavitys and can reduce the more quality of back connecting rod supporting seat to can form the strengthening rib between the first cavity, thereby improve the structural strength of back connecting rod supporting seat.
Optionally, the rear connecting rod supporting seat is internally and externally provided with a casting round hole for reducing weight and discharging finishing cooling liquid.
By adopting the technical scheme, the cast round hole can be used for discharging the finish machining cooling liquid, the use of materials is saved, and the weight of the tail plate is reduced.
Optionally, a support structure for supporting the rear link support is disposed between the two rear link support bases.
Through adopting above-mentioned technical scheme, when two upper and lower back connecting rod supporting seats received the mode locking power of connecting rod, cause the tailboard to wholly crooked easily, stress direct transfer to tailboard main part department, the tailboard main part takes place the fracture condition easily. Through setting up bearing structure, bearing structure can make stress transfer to the tailboard main part all around to alleviate the bending phenomenon of tailboard, further alleviate stress concentration phenomenon.
Optionally, the support structure comprises a tail plate support column and a main support column, wherein the tail plate support column is arranged at one end, close to the tail plate main body, of the rear connecting rod support seat, the main support column is arranged at one end, far away from the tail plate main body, of the rear connecting rod support seat, and a third cavity is formed between the tail plate support column and the main support column.
Through adopting above-mentioned technical scheme, specifically disclose bearing structure's structural style, bearing structure can alleviate stress concentration phenomenon to offer the third cavity in the bearing structure, can alleviate bearing structure's weight.
Optionally, the tail plate body, the rear connecting rod supporting seat and the tail plate supporting column surround to form a containing cavity, and the tail plate body is provided with a second material reducing hole structure for reducing the mass of the tail plate body and optimizing the stress distribution at the bottom of the containing cavity.
Optionally, the second subtracts the material hole and includes the second cavity that circumference was seted up, the second cavity runs through the inside and outside surface of tailboard main part, adjacent be formed with between the second cavity be used for improving the structural strength's of tailboard main part supporting rib.
Through adopting above-mentioned technical scheme, can form local I-beam structure between supporting rib, tailboard support column and the tailboard main part, the stress that two back connecting rod supporting seats received passes through local I-beam structure and transmits the bottom plate support column, transmits the tailboard main part all around again, makes stress distribution even to improve the rigidity intensity of tailboard.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. A light-weight structure of a tail plate of an injection molding machine is characterized in that a first material reducing hole structure is formed in the inner side wall of a rear connecting rod supporting seat, so that the deformation capacity of the rear connecting rod supporting seat is increased, and when the rear connecting rod supporting seat is acted by the mode locking force of a crankshaft connecting rod, the rear connecting rod supporting seat can release stress, so that the stress borne by the tail plate is relieved, and the tail plate is not easy to break;
2. By arranging the supporting structure, the supporting structure can transfer stress borne by the rear connecting rod supporting seat to the periphery of the tail plate main body, so that the bending phenomenon of the tail plate is relieved, and the stress concentration phenomenon is further relieved;
3. Through seting up the second and subtracting the material hole structure for can form local I-beam structure between supporting rib, tailboard support column and the tailboard main part, thereby optimize stress distribution.
Drawings
Fig. 1 is a schematic overall structure of a light-weight structure of a tail plate of an injection molding machine according to embodiment 1 of the present application.
Fig. 2 is a cross-sectional view of a light-weight structure of an injection molding machine tail plate according to embodiment 1 of the present application.
Fig. 3 is a schematic structural view of a partial i-beam structure according to embodiment 1 of the present application.
Fig. 4 is a schematic overall structure of a light-weight structure of a tail plate of an injection molding machine according to embodiment 2 of the present application.
The numerical control device comprises a tail plate main body, a 11, a circular through hole, a 2, a rear connecting rod supporting seat, a 21, a hinging seat, a 3, a supporting structure, a 31, a tail plate supporting column, a 32, a main supporting column, a 33, a third cavity, a 34, a tail plate triangular bracket, a 4, a containing cavity, a 5, a first material reducing hole structure, a 51, a first cavity, a 52, a casting round hole, a 53, a reinforcing rib, a 6, a second material reducing hole structure, a 61, a second cavity and a 62, and a supporting rib.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses a light-weight structure of an injection molding machine tail plate.
Example 1:
referring to fig. 1, a tail plate lightweight structure of an injection molding machine includes a tail plate body 1, a rear link support seat 2, and a support structure 3. The rear connecting rod supporting seat 2 is positioned at the upper end and the lower end of the tail plate main body 1. The support structure 3 is connected with two rear connecting rod support bases 2 and is used for supporting the rear connecting rod support bases 2. The tailgate body 1, the rear link support base 2 and the support structure 3 surround a square receiving chamber 4 for receiving the mold locking mechanism.
The tail plate main body 1 is a square plate, and a circular through hole 11 is formed in the center of the tail plate main body 1. When the tail plate body 1 is mounted on the injection molding machine, the tail plate body 1 is vertically placed, and the circular through hole 11 is used for mounting a driving piece for driving the mold locking mechanism to move.
The number of the rear connecting rod supporting seats 2 is two, and the rear connecting rod supporting seats are symmetrically arranged at the upper end and the lower end of the tail plate main body 1 and are integrally connected with the tail plate main body 1. The rear connecting rod supporting seat 2 is provided with a hinging seat 21, and the hinging seat 21 is used for hinging and installing a connecting rod of the mold locking mechanism.
The support structure 3 is arranged between two rear link supports 2, in this embodiment the support structure 3 comprises a tailgate support column 31 and a main support column 32. The tail support column 31 and the main support column 32 are square long blocks. The tailboard support column 31 sets up in the one end that is close to tailboard main part 1 in back connecting rod supporting seat 2, and tailboard support column 31 and back connecting rod supporting seat 2 and tailboard main part 1 homogeneity setting for structural strength is better. The main supporting column 32 is disposed at one end of the rear link supporting seat 2 away from the tailgate body 1, and the main supporting column 32 is integrally connected with the rear link supporting seat 2. A third cavity 33 is formed between the tailgate support column 31 and the main support column 32 so that the weight of the tailgate is reduced without affecting the structural strength of the tailgate.
The side of the main support column 32 remote from the tailgate support column 31 is provided with a tailgate tripod 34, the tailgate tripod 34 being adapted to bear weight and pressure from the mould and other related components. To reduce the weight of the tailgate tripod 34, the tailgate tripod 34 may also be perforated.
The main supporting columns 32 and the tail plate supporting columns 31 can transmit stress to the periphery of the tail plate main body 1, so that the bending phenomenon of the tail plate is relieved, and the stress concentration phenomenon is further relieved.
When the tail plate is installed on the injection molding machine, as the rear connecting rod supporting seat 2 is connected with the mode locking mechanism, the connecting rod of the mode locking mechanism has bending tension on the rear connecting rod supporting seat 2 in the horizontal direction, and the tail plate is subjected to larger stress and is easy to break, the rear connecting rod supporting seat 2 is provided with the first material reducing hole structure 5 and the tail plate main body 1 is provided with the second material reducing hole structure 6.
Referring to fig. 1 and 2, since the rear link support 2 tends to bend in a direction away from the center of the tailgate body 1 under the clamping force of the tension rod, the outer side wall of the rear link support 2 is greatly affected by stress, and the inner side wall is less affected by stress, the manner of cutting the inner side wall of the rear link support 2 is adopted, so that the deformability of the rear link support 2 is improved, and the rear link support 2 can release the stress, thereby reducing the stress. In this embodiment, the first material reducing hole structure 5 includes a first cavity 51, the first cavity 51 is disposed on an inner side wall of the rear link supporting seat 2, and the first cavity 51 does not penetrate to an outer side wall of the rear link supporting seat 2.
In this embodiment, the width of the first cavity 51 is 1/3~3/4 of the width of the rear link support 2, the height of the first cavity 51 is 1/3-2/3 of the height of the rear link support 2, preferably, the width of the first cavity 51 is 2/3 of the width of the rear link support 2, and the height is 1/2 of the height of the rear link support 2, so that the weight of the rear link support 2 is reduced as much as possible while the structural strength of the rear link support 2 is ensured.
The rear link supporting seat 2 is further provided with a cast round hole 52 in the first cavity 51, and the cast round hole 52 penetrates through the inner and outer surfaces of the rear link supporting seat 2. The weight of the rear connecting rod support base 2 can be further reduced by providing the cast round hole 52 and used for discharging the finishing coolant at the time of the tail plate casting.
Referring to fig. 1 and 3, the second relief hole structure 6 includes a second cavity 61, and the second cavity 61 is opened in the inner surface of the tailgate body 1 located in the accommodation chamber 4. The second cavity 61 penetrates the inner and outer surfaces of the tailgate body 1, and the second cavity 61 has a stepped structure.
In this embodiment, the number of the second cavities 61 is four, and the second cavities 61 are uniformly distributed circumferentially around the circular through hole 11, and the supporting ribs 62 are formed between adjacent second cavities 61. A partial i-beam structure is formed between the support ribs 62, the tailgate body 1 and the tailgate support columns 31.
The stress received by the two rear connecting rod supporting seats 2 is transmitted to the tail plate supporting columns 31 through the local I-beam structure and then transmitted to the periphery of the tail plate main body 1, so that the stress distribution is uniform, the stress distribution is optimized, and the tail plate is further not easy to break.
Referring to fig. 1 to 3, the light-weight structure of the tail plate of the injection molding machine according to the embodiment of the utility model is implemented by forming the first cavity 51, the second cavity 61 and the third cavity 33 on the tail plate, so that the weight of the tail plate can be reduced, and the stress concentration of the tail plate can be reduced, so that the stress of the tail plate is uniformly distributed.
Example 2:
Compared with embodiment 1, the light-weight structure of the tail plate of the injection molding machine of embodiment 2 is identical to embodiment 1 except for the structure form of the first material reducing hole structure 5, and the details are not repeated here.
Referring to fig. 4, in the present embodiment, the first material reducing hole structure 5 includes a plurality of first cavities 51, the plurality of first cavities 51 are spaced apart on the rear link support 2, and the first cavities 51 do not penetrate the rear link support 2. A reinforcing rib 53 is formed between adjacent first cavities 51. The material reducing hole structure can not only reduce the weight of the rear connecting rod supporting seat 2, but also improve the structural strength of the rear connecting rod supporting seat 2.
The above embodiments are not intended to limit the scope of the utility model, so that the equivalent changes of the structure, shape and principle of the utility model are covered by the scope of the utility model.
Claims (9)
1. The tail plate light structure of the injection molding machine comprises a tail plate main body (1) and rear connecting rod supporting seats (2) symmetrically arranged on the upper side and the lower side of the tail plate main body (1), and is characterized in that first material reducing hole structures (5) used for reducing the mass of the rear connecting rod supporting seats (2) and reducing stress concentration are formed in the inner side walls of the rear connecting rod supporting seats (2), the first material reducing hole structures (5) comprise first cavities (51), and the first cavities (51) do not penetrate through the rear connecting rod supporting seats (2).
2. The injection molding machine tail plate light-weight structure according to claim 1, wherein the width of the first cavity (51) is 1/3~3/4 of the width of the rear connecting rod supporting seat (2), and the height of the first cavity (51) is 1/3-2/3 of the height of the rear connecting rod supporting seat (2).
3. The injection molding machine tail plate light-weight structure according to claim 1, wherein the material reducing hole structure comprises at least two first cavities (51), the first cavities (51) are arranged on the rear connecting rod supporting seat (2) at intervals, and the first cavities (51) do not penetrate through the rear connecting rod supporting seat (2).
4. A tail plate light-weight structure of an injection molding machine according to claim 3, wherein a reinforcing rib (53) for improving the structural strength of the rear link support (2) is formed between adjacent first cavities (51).
5. The injection molding machine tail plate light-weight structure according to claim 1, wherein the rear connecting rod supporting seat (2) is internally and externally provided with a casting round hole (52) for reducing weight and discharging finishing cooling liquid.
6. The injection molding machine tail plate light-weight structure according to claim 1, wherein a supporting structure (3) for supporting the rear connecting rod supporting seat (2) is arranged between the two rear connecting rod supporting seats (2).
7. The injection molding machine tail plate light structure according to claim 6, wherein the supporting structure (3) comprises a tail plate supporting column (31) and a main supporting column (32), the tail plate supporting column (31) is arranged at one end, close to the tail plate main body (1), of the rear connecting rod supporting seat (2), the main supporting column (32) is arranged at one end, far away from the tail plate main body (1), of the rear connecting rod supporting seat (2), and a third cavity (33) is formed between the tail plate supporting column (31) and the main supporting column (32).
8. The injection molding machine tail plate light-weight structure according to claim 7, wherein the tail plate main body (1), the rear connecting rod supporting seat (2) and the tail plate supporting column (31) surround to form a containing cavity (4), and the tail plate main body (1) is provided with a second material reducing hole structure (6) at the bottom of the containing cavity (4) for reducing the mass of the tail plate main body (1) and optimizing the stress distribution.
9. The injection molding machine tail plate light-weight structure according to claim 8, wherein the second material reducing hole comprises a second cavity (61) formed in the circumferential direction, the second cavity (61) penetrates through the inner surface and the outer surface of the tail plate main body (1), and supporting ribs (62) for improving the structural strength of the tail plate main body (1) are formed between adjacent second cavities (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422407993.6U CN223326828U (en) | 2024-09-30 | 2024-09-30 | Injection molding machine tail plate lightweight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422407993.6U CN223326828U (en) | 2024-09-30 | 2024-09-30 | Injection molding machine tail plate lightweight structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223326828U true CN223326828U (en) | 2025-09-12 |
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ID=96981151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422407993.6U Active CN223326828U (en) | 2024-09-30 | 2024-09-30 | Injection molding machine tail plate lightweight structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223326828U (en) |
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2024
- 2024-09-30 CN CN202422407993.6U patent/CN223326828U/en active Active
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