Tensioning device of injection molding machine
By designing a tensioning device for multiple guide wheels, length adjustment components and tensioning cylinders in the injection molding machine, the problem that the prior art cannot adapt to the multiple length rope saws is solved, and effective tensioning of multiple length rope saws is achieved and teleport.
Patent Information
- Application Number
- CN202420815992.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing injection molding machine tensioning devices cannot be used for tensioning of closed-loop wire saws of multiple lengths and cannot meet the needs of multiple length specifications.
A tensioning device consisting of multiple guide wheels, length adjustment assembly and tensioning cylinder is designed to adjust the tension distance of the rope saw through the sliding carriage and the reel, and fine-tune it with the tensioning cylinder to accommodate different lengths rope saw.
Effective tensioning of multiple length wire saws is achieved, ensuring stable transmission and tensioning of the wire saw during injection molding, and is suitable for closed-loop wire saws of multiple lengths.
Smart Images
Figure CN222135724U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tensioning devices, in particular to a tensioning device of an injection molding machine. Background Art
[0002] The rope saw is a cutting and demolition tool for mines, rough materials, curved plates, large stone slabs, thick concrete, irregular concrete reinforcement, bridges and roads, etc. It is easy to install and flexible to use, and can be used for both horizontal and vertical cutting.
[0003] The existing rope saw uses an injection molding machine to mold the wire rope and beads. During the injection molding and fixing process of the rope saw beads, a tensioning device is often used to transmit the wire rope, and the wire rope needs to be tensioned during the transmission process. Most of the existing tensioning devices transmit and tension the wire rope by setting a guide wheel and a tensioning wheel. The position of the guide wheel is fixed, and the tensioning wheel is only used to achieve fine adjustment of the position for tensioning. However, because most injection-molded rope saws are closed loops and have a variety of length specifications, the existing tensioning device is only suitable for tensioning closed-loop rope saws of a single length specification and cannot meet the tensioning of closed-loop rope saws of multiple lengths. Utility Model Content
[0004] In view of the above problems, the purpose of the utility model is to provide a tensioning device for an injection molding machine, so as to solve the problem that the existing tensioning device for an injection molding machine cannot meet the requirements of tensioning closed-loop rope saws of various lengths.
[0005] The utility model is achieved in this way:
[0006] A tensioning device for an injection molding machine comprises a frame connected to an input end of the injection molding machine, a plurality of guide wheels being rotatably provided on the frame, a first length adjustment component and a second length adjustment component being slidably provided along the length direction of the frame, winding wheels being rotatably provided on the first length adjustment component and the second length adjustment component, a steering wheel being rotatably provided on the output end of the injection molding machine, and a steel wire rope being wound around the steering wheel, the guide wheel and the winding wheel to form a closed loop.
[0007] Furthermore, a first slide rail is fixedly provided on the top of the frame, and a plurality of positioning holes are opened on the first slide rail, and the plurality of positioning holes are evenly arranged along the length direction of the first slide rail.
[0008] Furthermore, the first length adjustment component includes a first slide frame, a plurality of first sliding blocks are fixedly provided at the bottom of the first slide frame, and the first sliding blocks are sleeved on the outside of the first slide rail and slidably connected thereto.
[0009] Furthermore, a tensioning cylinder is horizontally fixed on the first slide, the movable end of the tensioning cylinder is fixedly connected to the second slide, a plurality of second sliding blocks are fixedly provided on the bottom of the second slide, a second slide rail is fixedly provided on the top of the first slide, the second sliding block is sleeved on the outer side of the second slide rail and is slidably connected thereto, and the winding wheel is rotatably provided on the second slide.
[0010] Furthermore, a third slide rail is fixedly provided on the front side of the frame, and a plurality of positioning holes are also provided on the third slide rail, and the plurality of positioning holes are evenly arranged along the length direction of the third slide rail.
[0011] Furthermore, the second length adjustment assembly includes a third slide, a plurality of third sliders are fixedly provided on one side of the third slide close to the third slide rail, the third sliders are sleeved on the outer side of the third slide rail and slidably connected thereto, and two winding wheels are rotatably provided on the other side of the third slide.
[0012] Furthermore, a first heating plate for preheating the rope saw is fixedly provided above the frame, and the length direction of the first heating plate is parallel to the length direction of the frame.
[0013] Furthermore, a second heating plate is provided at the input end of the injection molding machine, and the second heating plate is horizontally slidably arranged above the working table of the injection molding machine.
[0014] Furthermore, the rack is also provided with a touch screen for adjusting and displaying the temperature of the first heating plate and the second heating plate.
[0015] Furthermore, a pressure sensor for measuring the tension of the rope saw is fixedly provided at the output end of the injection molding machine.
[0016] The beneficial effects of the utility model are:
[0017] The tensioning device of the injection molding machine of the utility model is provided with a first length adjustment component and a second length adjustment component to convey and tension the wound wire rope, and is suitable for tensioning rope saws of various lengths during injection molding. The first slide and the third slide are respectively slid along the length direction of the frame, and respectively drive the winding wheels arranged thereon to move along the length direction of the frame, and can adjust the distance between the winding wheels and the guide wheels on the first slide and the third slide according to the length of the rope saw, thereby satisfying the conveying and initial tensioning of closed-loop rope saws of different lengths. The extension and retraction of the tensioning cylinder drives the winding wheel on the second slide to adjust a shorter distance, which is used to fine-tune the tensioning of the rope saw to achieve final tensioning. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0019] Figure 2 It is the front view of the utility model;
[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the first length adjustment component of the utility model.
[0021] Description of reference numerals:
[0022] 1. Injection molding machine;
[0023] 2. rack; 21. first slide rail; 211. positioning hole; 22. third slide rail;
[0024] 3. Guide wheel;
[0025] 4. first length adjustment assembly; 41. first carriage; 42. first slider; 43. tensioning cylinder; 44. second carriage; 45. second slider; 46. second slide rail; 47. drive motor;
[0026] 5. second length adjustment assembly; 51. third carriage; 52. third slide block;
[0027] 6. Winding wheel; 7. Steering wheel; 8. First heating plate; 9. Second heating plate; 10. Touch screen; 11. Pressure sensor; 12. Wire rope. DETAILED DESCRIPTION
[0028] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0029] like Figure 1-2 The figure shows a tensioning device of an injection molding machine of the utility model, comprising a frame 2 connected to the input end of the injection molding machine 1, a plurality of guide wheels 3 are rotatably provided on the frame 2, a first length adjustment component 4 and a second length adjustment component 5 are slidably provided along the length direction of the frame 2, a winding wheel 6 is rotatably provided on the first length adjustment component 4 and the second length adjustment component 5, a steering wheel 7 is rotatably provided on the output end of the injection molding machine 1, a steel wire rope 12 is wound around the steering wheel 7, the guide wheel 3 and the winding wheel 6 to form a closed loop, and the winding direction of the steel wire rope 12 is as shown in FIG. Figure 1 shown.
[0030] The input end of the injection molding machine 1 is provided with a frame 2, and the output end of the frame 2 is connected to the input end of the injection molding machine 1. A first slide rail 21 is fixedly provided on the top of the frame 2. There are two first slide rails 21, and the two first slide rails 21 are arranged horizontally and in parallel. The length direction of the first slide rail 21 is parallel to the length direction of the frame 2. A plurality of positioning holes 211 are provided on the first slide rail 21, and the plurality of positioning holes 211 are evenly arranged along the length direction of the first slide rail 21. The first length adjustment component 4 includes a first slide 41, and a plurality of first sliders 42 are fixedly provided at the bottom of the first slide 41. The first slider 42 is sleeved on the outside of the first slide rail 21 and slidably connected thereto, and the first slider 42 drives the first slide 41 to reciprocate along the length direction of the frame 2. A plurality of positioning pins (not shown in the figure) are movably connected to the first slide 41. When the first slide 41 is moved to a specified position along the length direction of the first slide rail 21, the positioning pins are inserted into the positioning holes 211 of the first slide rail 21, so that the first slide 41 is positioned and fixedly connected to the first slide rail 21.
[0031] like Figure 3 As shown, a tensioning cylinder 43 is fixedly arranged horizontally on the first slide 41, and a second slide 44 is fixedly connected to the movable end of the tensioning cylinder 43. The second slide 44 is arranged horizontally and is located above the first slide 41. A plurality of second sliders 45 are fixedly arranged at the bottom of the second slide 44, and a second slide rail 46 is fixedly arranged at the top of the first slide 41. The second slider 45 is sleeved on the outer side of the second slide rail 46 and is slidably connected thereto. When the tensioning cylinder 43 is started, the tensioning cylinder 43 is telescopically driven to drive the second slide 44 to reciprocate along the length direction of the frame 2 on the first slide 41. The winding wheel 6 is rotatably arranged on the second slide 44, and the number of the winding wheels 6 is two. A driving motor 47 is fixedly arranged on the top of the second slide 44, and the driving shaft of the driving motor 47 is fixedly connected to one of the winding wheels 6. When the driving motor 47 is started, the winding wheel 6 fixedly connected to its driving shaft is driven to rotate, and this winding wheel 6 acts as a driving wheel to drive the wire rope 12 to move. The extension and retraction of the tensioning cylinder 43 drives the second slide 44 fixedly connected to its movable end to move, and further drives the two winding wheels 6 on the second slide 44 to move, so as to tension the steel wire rope 12.
[0032] like Figure 1 and Figure 2As shown, a third slide rail 22 is fixedly provided on the front side of the frame 2. There are two third slide rails 22. The two third slide rails 22 are arranged in parallel up and down. The length direction of the third slide rail 22 is parallel to the length direction of the frame 2. A plurality of positioning holes 211 are also provided on the third slide rail 22. The plurality of positioning holes 211 are evenly arranged along the length direction of the third slide rail 22. The second length adjustment component 5 includes a third slide 51. A plurality of third sliders 52 are fixedly provided on one side of the third slide 51 close to the third slide rail 22. The third slider 52 is sleeved on the outer side of the third slide rail 22 and slidably connected thereto. The third slider 52 drives the third slide 51 to reciprocate along the length direction of the frame 2. Two winding wheels 6 are rotatably provided on the other side of the third slide 51. The two winding wheels 6 are arranged opposite to each other up and down. The third slide 51 is movably connected with a plurality of positioning pins (not shown in the figure). When the third slide 51 is moved to a specified position along the length direction of the third slide rail 22, the positioning pins are inserted into the positioning holes 211 of the third slide rail 22 to position and fix the third slide 51 to the third slide rail 22.
[0033] It should be noted that, in this embodiment, the first slide 41 and the third slide 51 slide along the length direction of the frame 2 respectively, and drive the winding wheel 6 provided thereon to move along the length direction of the frame 2 respectively, and the distance between the winding wheel 6 and the guide wheel 3 on the first slide 41 and the third slide 51 can be adjusted according to the length of the rope saw, thereby meeting the requirements of conveying and initial tensioning of closed-loop rope saws of different lengths. The extension and retraction of the tensioning cylinder 43 drives the winding wheel 6 on the second slide 44 to adjust a shorter distance, which is used to fine-tune the tension of the rope saw to achieve final tensioning.
[0034] A first heating plate 8 for preheating the rope saw is fixed above the frame 2, and the length direction of the first heating plate 8 is parallel to the length direction of the frame 2. In addition, a second heating plate 9 is provided at the input end of the injection molding machine 1, and the second heating plate 9 is horizontally slidably arranged above the working table of the injection molding machine 1 through a linear module arranged on the injection molding machine 1. The first heating plate 8 and the second heating plate 9 are both arranged to preheat the rope saw when entering the injection molding machine 1 for injection molding. A touch screen 10 for adjusting and displaying the temperature of the first heating plate 8 and the second heating plate 9 is also provided on the frame 2, and the working temperature of the first heating plate 8 and the second heating plate 9 can be controlled by operating the touch screen 10.
[0035] A pressure sensor 11 for measuring the tension of the rope saw is also fixedly provided at the output end of the injection molding machine 1. The pressure data fed back by the pressure sensor 11 is used to adjust the extension and contraction amount of the tensioning cylinder 43 in a timely manner to control the tension of the rope saw to remain within a preset range.
[0036] When the tensioning device of the injection molding machine of the utility model is in use, the wire rope 12 is sleeved on the guide wheel 3, the winding wheel 6 and the steering wheel 7. According to the length of the wire rope 12, the positions of the first slide 41 and the third slide 51 are respectively adjusted along the length direction of the frame 2 to make them move along the length of the frame 2. The first slide 41 and the third slide 51 drive the winding wheel 6 thereon to move until the wound wire rope 12 is in a tensioned state. According to the pressure data fed back by the pressure sensor 11, the tensioning cylinder 43 is started, and the extension and contraction amount of the tensioning cylinder 43 is controlled so that the movable end drives the winding wheel 6 on the second slide 44 to move along the length direction of the frame 2 until the tensioning force of the wire rope 12 is always kept within a preset range.
[0037] Although the present invention discloses a preferred specific embodiment to achieve the above-mentioned purpose, it is not intended to limit the structural features of the present invention. Any person skilled in the art should know that under the technical spirit of the present invention, any easily conceivable changes or modifications are possible and are all covered by the scope of the patent application of the present invention.
Claims
1. A tensioning device for an injection molding machine, characterized in that: The invention comprises a frame (2) connected to the input end of an injection molding machine (1), a plurality of guide wheels (3) being rotatably provided on the frame (2), a first length adjustment component (4) and a second length adjustment component (5) being slidably provided along the length direction of the frame (2), a winding wheel (6) being rotatably provided on the first length adjustment component (4) and the second length adjustment component (5), a steering wheel (7) being rotatably provided on the output end of the injection molding machine (1), and a steel wire rope (12) being wound around the steering wheel (7), the guide wheel (3) and the winding wheel (6) to form a closed loop.
2. The tensioning device of the injection molding machine according to claim 1, characterized in that: A first slide rail (21) is fixedly provided on the top of the frame (2), and a plurality of positioning holes (211) are provided on the first slide rail (21), and the plurality of positioning holes (211) are evenly arranged along the length direction of the first slide rail (21).
3. The tensioning device of the injection molding machine according to claim 2, characterized in that: The first length adjustment component (4) comprises a first slide frame (41), a plurality of first sliding blocks (42) being fixedly provided at the bottom of the first slide frame (41), and the first sliding blocks (42) being sleeved on the outside of the first slide rail (21) and slidably connected thereto.
4. The tensioning device of the injection molding machine according to claim 3, characterized in that: A tensioning cylinder (43) is horizontally fixed on the first slide (41); a movable end of the tensioning cylinder (43) is fixedly connected to a second slide (44); a plurality of second sliding blocks (45) are fixedly provided at the bottom of the second slide (44); a second slide rail (46) is fixedly provided at the top of the first slide (41); the second sliding blocks (45) are sleeved on the outer side of the second slide rail (46) and are slidably connected thereto; and the winding wheel (6) is rotatably arranged on the second slide (44).
5. The tensioning device of the injection molding machine according to claim 2, characterized in that: A third slide rail (22) is fixedly provided on the front side of the frame (2), and a plurality of positioning holes (211) are also provided on the third slide rail (22). The plurality of positioning holes (211) are evenly arranged along the length direction of the third slide rail (22).
6. The tensioning device of the injection molding machine according to claim 5, characterized in that: The second length adjustment assembly (5) comprises a third slide frame (51), a plurality of third sliding blocks (52) being fixedly provided on one side of the third slide frame (51) close to the third slide rail (22), the third sliding blocks (52) being sleeved on the outer side of the third slide rail (22) and slidably connected thereto, and two winding wheels (6) being rotatably provided on the other side of the third slide frame (51).
7. The tensioning device of the injection molding machine according to claim 1 or 2, characterized in that: A first heating plate (8) for preheating the rope saw is fixedly provided above the frame (2); the length direction of the first heating plate (8) is parallel to the length direction of the frame (2).
8. The tensioning device of the injection molding machine according to claim 7, characterized in that: The input end of the injection molding machine (1) is provided with a second heating plate (9), and the second heating plate (9) is horizontally slidably arranged above the working table of the injection molding machine (1).
9. The tensioning device of the injection molding machine according to claim 8, characterized in that: The rack (2) is also provided with a touch screen (10) for adjusting and displaying the temperature of the first heating plate (8) and the second heating plate (9).
10. The tensioning device of an injection molding machine according to claim 1 or 2, characterized in that: A pressure sensor (11) for measuring the tension of the rope saw is also fixedly provided at the output end of the injection molding machine (1).