CN216683220U - Fixing device of injection molding machine pull rod - Google Patents
Fixing device of injection molding machine pull rod Download PDFInfo
- Publication number
- CN216683220U CN216683220U CN202122702859.5U CN202122702859U CN216683220U CN 216683220 U CN216683220 U CN 216683220U CN 202122702859 U CN202122702859 U CN 202122702859U CN 216683220 U CN216683220 U CN 216683220U
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- pull rod
- annular
- clasping
- injection molding
- fixing device
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Abstract
The utility model relates to the technical field of injection molding machines and discloses a fixing device for a pull rod of an injection molding machine, which comprises the pull rod, wherein an annular groove is formed in the pull rod; the clasping component clasps on the pull rod, an annular bulge is arranged on the inner side surface of the clasping component, and the annular bulge is clamped in the annular groove; the locking assembly is arranged on the pull rod and comprises a pressing plate and a locking piece; the locking piece is arranged on the pressure plate and used for locking the pull rod. The novel pull rod has the advantages that the original threaded engagement mode is replaced by the mode that the annular groove and the annular bulge are clamped, so that the pull rod can be prevented from being broken due to uneven stress, and the safety and the reliability of the pull rod in the working process are improved; the locking piece is set as a set screw, can lock the pull rod, prevents that the pull rod from rotating.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a fixing device for a pull rod of an injection molding machine.
Background
The injection molding machine is also called an injection molding machine or an injection machine, and is main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die.
The conventional injection molding machine pull rod is generally fixed by matching a pull rod with a nut, tightening and fixing the pull rod, and then tightening the pull rod by using a tightening plate, so that the pull rod is fixed on a fixed template, but the processing difficulty of the external thread of the pull rod and the internal thread of the nut is high, and the problems of thread defect, stress concentration and the like are easily caused; after the threads are matched, a thread matching gap is formed, so that stress of each thread is uneven, and the pull rod is fatigued and broken.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a fixing device for a tie bar of an injection molding machine, which can prevent the tie bar from being broken due to uneven stress.
In order to achieve the above object, the present invention provides a fixing device for a drawbar of an injection molding machine, comprising:
the pull rod is provided with an annular groove;
the clasping component clasps on the pull rod, an annular bulge is arranged on the inner side surface of the clasping component, and the annular bulge is clamped in the annular groove;
the locking assembly is arranged on the pull rod and comprises a pressing plate and a locking piece; the locking piece is arranged on the compression plate and used for locking the pull rod.
According to the fixing device of the injection molding machine pull rod, the annular protrusion is provided with the top surface and the side surface, the top surface is perpendicular to the side surface, the cohesion component is provided with the inner side surface, and the side surface is perpendicular to the inner side surface.
According to the fixing device for the injection molding machine pull rod, the pull rod is provided with the plurality of annular grooves, the cohesion component is provided with the plurality of annular protrusions, and the plurality of annular protrusions are respectively clamped in the plurality of annular grooves.
According to the fixing device for the pull rod of the injection molding machine, the diameters of the top surfaces of the annular bulges are equal.
According to the fixing device of the injection molding machine pull rod, the embracing assembly comprises two embracing blocks, bolt holes are formed in the two embracing blocks, and connecting bolts are arranged in the bolt holes.
According to the fixing device of the injection molding machine pull rod, the fixing device further comprises a fixed template, one end of the pull rod penetrates through the fixed template and is connected with the cohesion component, and the cohesion component is fixedly connected with the fixed template.
According to the fixing device for the injection molding machine pull rod, the fixed die plate is provided with the pull rod hole, the pull rod penetrates through the pull rod hole, and the pull rod is provided with the stress groove.
According to the fixing device for the pull rod of the injection molding machine, the pressing plate is abutted to the pull rod, the pressing plate is provided with the fixing screw, and the fixing screw penetrates through the cohesion assembly and is connected with the fixed die plate.
According to the fixing device for the pull rod of the injection molding machine, the locking piece is set to be the set screw, and the set screw penetrates through the compression plate to be connected with the pull rod.
The utility model has the following beneficial effects:
the pull rod is fixed in a clamping mode of the annular groove and the annular bulge, so that the pull rod can be prevented from being broken due to uneven stress, and the safety and reliability of the pull rod in the working process are improved; the set screw can lock the pull rod to prevent the pull rod from rotating; the pull rod is provided with a plurality of annular grooves, the cohesion assembly is provided with a plurality of annular bulges, and the annular bulges are respectively clamped in the annular grooves; the pull rod is fixed in a mode that the annular protrusions and the annular grooves are matched with each other, and the fixing effect of the fixing device can be improved.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of an overall structure (portion) of the present invention;
FIG. 3 is a schematic structural diagram of a hug block of the present invention;
in the figure: 100. a pull rod; 110. an annular groove; 120. a stress slot; 200. a cohesion component; 210. an annular projection; 211. a top surface; 212. a side surface; 220. a holding block; 221. an inner side surface; 222. bolt holes; 223. a connecting bolt; 300. a locking assembly; 310. a compression plate; 311. a set screw; 320. a locking member; 321. tightening the screw; 400. fixing a template; 410. a pull rod hole.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-3, a tie bar fixing device for an injection molding machine comprises a tie bar 100, a clasping assembly 200 and a locking assembly 300.
The pull rod 100 is provided with an annular groove 110; the clasping component 200 clasps on the pull rod 100, an annular protrusion 210 is arranged on the inner side surface of the clasping component 200, and the annular protrusion 210 is clamped in the annular groove 110; the locking assembly 300 is arranged on the pull rod 100 and comprises a pressing plate 310 and a locking piece 320; a locking member 320 is provided on the pressing plate 310 for locking the drawbar 100, and the locking member 320 can lock the drawbar 100 to prevent the drawbar 100 from rotating. Through the cooperation of annular groove 110 and annular bulge 210 for load distribution is even, improves the reliability and the security of pull rod 100 in the course of the work, compares with the thread engagement among the prior art, and this injection molding machine pull rod's fixing device can prevent that pull rod 100 from breaking because of the atress is uneven, promotes the security and the reliability of pull rod 100 in the course of the work.
The annular projection 210 has a top surface 211 and a side surface 212, the top surface 211 being perpendicular to the side surface 212, the cohesive assembly 200 having an inner side surface 221, the side surface 212 being perpendicular to the inner side surface 221; the section of the annular protrusion 210 of the fixing device is rectangular, the contact area between the annular protrusion 210 and the annular groove 110 can be increased, the stress surface is perpendicular to the stress direction, the load is uniformly distributed, and the reliability and the safety of the pull rod 100 in the working process can be improved.
The pull rod 100 is provided with a plurality of annular grooves 110, the cohesion assembly 200 is provided with a plurality of annular protrusions 210, and the annular protrusions 210 are respectively clamped in the annular grooves 110; the pull rod 100 is fixed by means of the mutual matching of the annular protrusions 210 and the annular grooves 110, so that the fixing effect of the fixing device can be improved.
The diameters of the top surfaces 211 of the plurality of annular protrusions 210 are equal, that is, the heights of the plurality of annular protrusions 210 are equal, which reduces the difficulty in manufacturing the tie rod 100.
The embracing assembly 200 comprises two embracing blocks 220, bolt holes 222 are formed in the two embracing blocks 220, and connecting bolts 223 are arranged in the bolt holes 222; in addition, the embracing block 220 can be further arranged to be three or more, the fixing device adopts two embracing blocks 220 to fix, and the embracing blocks 220 are fixed by adopting connecting bolts 223, so that the installation process is simplified.
The steel plate clamp further comprises a fixed template 400, one end of the pull rod 100 penetrates through the fixed template 400 to be connected with the clasping component 200, and the clasping component 200 is fixedly connected with the fixed template 400.
The fixed die plate 400 is provided with a pull rod hole 410, the pull rod 100 is arranged in the pull rod hole 410 in a penetrating manner, and the pull rod 100 is provided with a stress groove 120; the stress groove 120 can better weaken the load applied to the position of the annular protrusion 210 of the pull rod 100, and prevent the pull rod 100 from being damaged.
In this embodiment, four tie rod holes 410 are formed in the fixed mold, and the four tie rod holes 410 are respectively located at the corners of the fixed mold plate 400, so that the four tie rods 100 are used for guiding, and the stability of the movable mold plate in the movement process can be improved.
The pressing plate 310 abuts against the pull rod 100, a fixing screw 311 is arranged on the pressing plate 310, the fixing screw 311 penetrates through the clasping assembly 200 to be connected with the fixed die plate 400, namely the fixing screw 311 can penetrate through the clasping block 220 to be connected with the fixed die plate 400, and the fixing screw 311 pushes the pull rod 100 in the screwing process to enable the side surface 212 of the annular protrusion 210 to abut against the side wall of the annular groove 110, so that the position of the clasping block 220 is fixed.
The locking member 320 is a set screw 321, the set screw 321 passes through the pressing plate 310 to be connected with the pull rod 100, and the set screw 321 is used for locking the position of the pull rod 100 to prevent the pull rod 100 from rotating.
In this embodiment, the two set screws 321 are provided, and the locking effect of the lever 100 is improved by locking the two set screws 321.
The utility model provides a fixing device of a pull rod of an injection molding machine, which comprises a pull rod 100, a cohesion assembly 200 and a locking assembly 300; the pull rod 100 is provided with an annular groove 110; the clasping assembly 200 comprises two clasping blocks 220, the inner sides of the two clasping blocks 220 are respectively provided with an annular protrusion 210, the annular protrusions 210 are clamped in the annular grooves 110, the locking assembly 300 comprises a pressing plate 310 and a locking piece 320, and the pressing plate 310 is abutted to the pull rod 100; the locking piece 320 is set to be a set screw 321 for locking the pull rod 100 and preventing the pull rod 100 from rotating, the mode of adopting the annular groove 110 and the annular protrusion 210 to clamp replaces the mode of original thread engagement to fix the pull rod, the pull rod 100 can be prevented from being broken due to uneven stress, and the safety and the reliability of the pull rod 100 in the working process are improved.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (9)
1. A fixing device of a pull rod of an injection molding machine is characterized by comprising:
the pull rod is provided with an annular groove;
the clasping component clasps on the pull rod, an annular bulge is arranged on the inner side surface of the clasping component, and the annular bulge is clamped in the annular groove;
the locking assembly is arranged on the pull rod and comprises a pressing plate and a locking piece; the locking piece is arranged on the compression plate and used for locking the pull rod.
2. The tie bar attachment system of claim 1, wherein said annular projection has a top surface and a side surface, said top surface being perpendicular to said side surface, said clasping assembly having an inner side surface, said side surface being perpendicular to said inner side surface.
3. The fixing device for the pull rod of the injection molding machine as claimed in claim 2, wherein a plurality of annular grooves are formed on the pull rod, a plurality of annular protrusions are formed on the clasping component, and the annular protrusions are respectively clamped in the annular grooves.
4. The tie bar securing apparatus of claim 3, wherein said top surfaces of said plurality of annular protrusions are of equal diameter.
5. The fixing device of the injection molding machine pull rod as claimed in claim 1, wherein the clasping assembly comprises two clasping blocks, bolt holes are formed in the two clasping blocks, and connecting bolts are arranged in the bolt holes.
6. The fixing device of the injection molding machine pull rod according to claim 1, further comprising a fixed mold plate, wherein one end of the pull rod penetrates through the fixed mold plate to be connected with the clasping component, and the clasping component is fixedly connected with the fixed mold plate.
7. The fixing device for the pull rod of the injection molding machine as claimed in claim 6, wherein the fixed die plate is provided with a pull rod hole, the pull rod is arranged in the pull rod hole in a penetrating manner, and the pull rod is provided with a stress groove.
8. The device as claimed in claim 6, wherein the pressing plate abuts against the tie bar, and a fixing screw is provided on the pressing plate, and the fixing screw passes through the clasping assembly and is connected with the fixed die plate.
9. The apparatus of claim 1, wherein said locking member is a set screw, said set screw passing through said compression plate and engaging said tie rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702859.5U CN216683220U (en) | 2021-11-01 | 2021-11-01 | Fixing device of injection molding machine pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702859.5U CN216683220U (en) | 2021-11-01 | 2021-11-01 | Fixing device of injection molding machine pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216683220U true CN216683220U (en) | 2022-06-07 |
Family
ID=81831332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122702859.5U Active CN216683220U (en) | 2021-11-01 | 2021-11-01 | Fixing device of injection molding machine pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216683220U (en) |
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2021
- 2021-11-01 CN CN202122702859.5U patent/CN216683220U/en active Active
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