High-rigidity guide rail cross beam structure based on horizontal movement

By designing a high-steel guide rail cross beam structure based on horizontal movement, the vibration problem of X-axis moving parts in PET injection molding equipment is solved, more stable production and higher product quality are achieved, and the life of parts is extended.

CN222571498UActive Publication Date: 2025-03-07GUANGZHOU HUAYAN PRECISION MACHINERY
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Patent Information

Application Number
CN202420994722.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-03-07
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

In existing PET injection molding equipment, with the increase of cavity number molds, the mass of the outside-mold cooling and extraction device increases, resulting in large vibrations of the X-axis moving parts during emergency start and stop, affecting production stability and product quality.

Method used

A high-steel guide rail cross beam structure based on horizontal motion is designed. The upper arm, middle arm and lower arm are vertically connected by relatively arranged front mounting plates and rear mounting plates, and reinforced convex ribs and frame connections are provided on the rear mounting plates to improve the rigidity and stability of the guide rails.

Benefits of technology

Through structural optimization, the overall rigidity and stability are improved, the vibration during the emergency start and stop of X-axis moving parts is reduced, stable production and product quality is ensured, and the life of core moving parts is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a high-rigidity guide rail beam structure based on horizontal movement, which comprises a front mounting plate and a rear mounting plate which are oppositely arranged, and a rail mounting surface is arranged on the front mounting plate; an upper arm, a middle arm and a lower arm are vertically connected between the front mounting plate and the rear mounting plate, and the upper arm, the middle arm and the lower arm are respectively fixed at the upper edges, the middle parts and the lower edges of the front mounting plate and the rear mounting plate; motor mounting parts are arranged at the first ends of the front mounting plate and the rear mounting plate; a host mounting part is arranged at the second end of the rear side of the rear mounting plate, and rack connecting parts are arranged at the positions, adjacent to the host mounting part and the motor mounting part, of the rear mounting plate respectively; a plurality of reinforcing convex ribs are arranged on the rear mounting plate at intervals; through the optimization of the structure, the overall rigidity and stability are greatly improved under the condition that the overall weight is not too large.
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Description

Technical Field

[0001] The utility model belongs to the technical field of PET embryo tube manufacturing, and in particular relates to a high-rigidity guide rail crossbeam structure based on horizontal movement. Background Art

[0002] With the rapid development of PET injection molding equipment, the terminal manufacturers have an increasing demand for the production capacity of PET injection molding equipment. While ensuring stable production and energy saving, the main direction is to make more cavity molds while compressing the product cycle as much as possible. Specifically for servo high-speed removal and rapid cooling robots, the increase in the number of mold cavities requires the compression of the product cycle. That is, the increase in the number of cavities will bring about an increase in the number of off-mold cooling devices, that is, an increase in the quality of the off-mold cooling removal device, and at the same time, it is required to compress the product cycle, that is, it requires a shorter time to complete under the same stroke. The embryo removal robot is slidably installed on the guide rail, and the guide rail is installed on the frame through the guide rail mounting structure. The mounting structure not only needs to install the guide rail but also the slide, motor, synchronous belt, gear and other moving parts that drive the robot to move. Therefore, a special design is required to ensure the movement stability of the slide and the robot and the convenient disassembly and assembly of the moving parts. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a high-rigidity guide rail beam structure based on horizontal movement.

[0004] The technical solution of the utility model is as follows:

[0005] A high-rigidity guide rail crossbeam structure based on horizontal movement comprises a front mounting plate and a rear mounting plate arranged opposite to each other, wherein a rail mounting surface is arranged on the front mounting plate; an upper arm, a middle arm and a lower arm are vertically connected between the front mounting plate and the rear mounting plate, and the upper arm, the middle arm and the lower arm are respectively fixed on the upper edge, the middle part and the lower edge of the front mounting plate and the rear mounting plate; a motor mounting part is arranged at the first end of the front mounting plate and the rear mounting plate; a host mounting part is arranged at the second end of the rear side of the rear mounting plate, and rack connecting parts are respectively arranged at positions adjacent to the host mounting part and the motor mounting part on the rear mounting plate; and a plurality of reinforcing ribs are arranged at intervals on the rear mounting plate.

[0006] Furthermore, the reinforcing ribs are arranged on the rear mounting plate, the upper wall and the lower arm.

[0007] Furthermore, two groups of rack connection holes are arranged on the rack connection part near the first end of the rear mounting plate, and one group of rack connection holes is arranged on the rack connection part near the second end of the rear mounting plate, and the three rack connection holes respectively correspond to the front, middle and rear positions of the high-rigidity guide rail beam structure based on horizontal movement.

[0008] Furthermore, three connecting ribs are processed on the lower surface of the lower arm, and the position of each connecting rib corresponds to a group of the frame connecting holes.

[0009] Furthermore, the height of the host mounting portion is greater than the height of the rear mounting plate, and a hollow hole is provided in the middle; the host mounting portion is provided with threaded holes and pin holes surrounding the hollow hole.

[0010] Furthermore, the host installation part and the frame connection part are coated and thickened.

[0011] Furthermore, a plurality of air avoidance holes are provided on the upper arm and the lower wall, and air avoidance gaps are provided at the upper edge and the lower edge of the frame connecting portion near the first end, and the air avoidance holes and the air avoidance gaps are used to cooperate with the installation and maintenance of the synchronous belt.

[0012] Furthermore, the upper and lower parts of the front mounting plate are respectively provided with rail mounting grooves, the rail mounting surface is arranged at the bottom of the rail mounting groove, and the rail mounting groove is also provided with wedge-shaped grooves located on the opposite sides of the two rail mounting surfaces, and the bottom of the wedge-shaped groove is provided with a plurality of wedge mounting holes.

[0013] Furthermore, end limit structures are respectively provided at both ends of the front mounting plate, and polyurethane limit blocks are provided on opposite surfaces of the end limit structures.

[0014] Furthermore, the high-rigidity guide rail crossbeam structure based on horizontal movement is an integrated casting.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model greatly improves its overall rigidity and stability through structural optimization while ensuring that the overall weight is not too large, greatly reduces the vibration of the X-axis moving parts in the out-of-mold cooling and removal device during sudden start and stop, effectively ensures stable production while ensuring product quality, and greatly prolongs the life of core moving parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the front mounting plate of an embodiment of the utility model.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the rear mounting plate of an embodiment of the utility model.

[0019] Figure 3 It is a simplified diagram of the structure installation of an embodiment of the utility model.

[0020] Figure 4 It is a structural schematic diagram of a wedge-shaped position according to an embodiment of the utility model.

[0021] In the figure, motor mounting part 101, rail mounting groove 102, end limit structure 103, rail mounting surface 104, rear mounting plate 105, middle arm 106, wheel mounting part 107, air avoidance hole 108, wedge-shaped groove 109, main engine mounting part 201, frame connecting part 202, connecting rib 203, reinforcing rib 204, bottom mating surface 205, air avoidance gap 206, dual motors 301, polyurethane limit blocks 302, guide rails 303, synchronous belts 304, wedge-shaped blocks 305, dual driven wheels 306, pins 100, and screws 200. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] For ease of description, refer to Figure 1 The first end is Figure 1 The left end of Figure 1 The right end of .

[0024] like Figures 1 to 4 As shown, a high-rigidity guide rail crossbeam structure based on horizontal movement is an integrated casting, designed based on high-load servo high-speed removal, including a front mounting plate and a rear mounting plate 105 arranged relatively, and a rail mounting surface 104 is arranged on the front mounting plate; an upper arm, a middle arm 106 and a lower arm are vertically connected between the front mounting plate and the rear mounting plate 105, and the upper arm, the middle arm 106 and the lower arm are respectively fixed at the upper edge, the middle part and the lower edge of the front mounting plate and the rear mounting plate 105, which effectively ensures the strength of the front and rear connections while ensuring that there is enough cross-sectional area along the X direction to ensure the rigidity in the X direction; the front mounting plate A motor mounting portion 101 is provided at the first end of the rear mounting plate 105, which is the mounting position of the dual motors 301, and the motor mounting holes thereon are used to mount the upper and lower arrangement structure of the dual motors 301; a wheel mounting portion 107 for mounting the dual driven wheels 306 is provided at the second end of the upper wall; a main engine mounting portion 201 is provided at the second end of the rear side of the rear mounting plate 105, and frame connecting portions 202 are respectively provided at the positions adjacent to the main engine mounting portion 201 and the motor mounting portion 101 on the rear mounting plate 105; a plurality of reinforcing ribs 204 are arranged at intervals on the rear mounting plate 105; the upper arm, the middle arm 106 and the lower arm are parallel.

[0025] Further, such as Figures 1 to 3As shown, the reinforcing ribs 204 are arranged on the rear mounting plate 105, the upper wall and the lower arm, and a plurality of reinforcing ribs are sequentially attached along the X-axis direction, further strengthening the connection rigidity between the guide rail 303 surface of the cantilever and the rack mounting surface.

[0026] Further, such as Figure 2 As shown, the host installation part 201 and the frame connection part 202 are coated and thickened to facilitate processing of the installation position.

[0027] Further, such as Figure 2 As shown, two groups of rack connection holes are arranged on the rack connection part 202 near the first end of the rear mounting plate 105, and one group of rack connection holes is arranged on the rack connection part 202 near the second end of the rear mounting plate 105, and the three rack connection holes correspond to the front, middle and rear positions of the high-rigidity guide rail beam structure based on horizontal movement respectively; each group of rack connection holes has 6-8 threaded mounting holes arranged in a matrix, so that the high-rigidity guide rail beam structure based on horizontal movement can be installed on the rack by screws 200; after the high-rigidity guide rail beam structure based on horizontal movement is installed, the rack can achieve effective support for the front, middle and rear positions of the guide rail 303 beam, further strengthening the X-axis support rigidity of the guide rail 303 beam.

[0028] Further, such as Figure 2 As shown, three connecting ribs 203 are processed on the lower surface of the lower arm, and each connecting rib 203 corresponds to a group of frame connecting holes to adapt to the L-shaped mounting seat provided on the frame. Similarly, a bottom mating surface 205 is processed on the lower surface of the motor mounting portion 101 to cooperate with the auxiliary mounting seat provided on the frame, and the mating surfaces between the high-rigidity guide rail beam structure based on horizontal movement and the frame are increased to four, so as to further improve the supporting rigidity of the front end beam of the X-axis of the high-rigidity guide rail beam structure based on horizontal movement, and reduce the vibration when the removal device takes the product and returns it to its position.

[0029] Further, such as Figure 2 As shown, the height of the host mounting portion 201 is greater than the height of the rear mounting plate 105, and a hollow hole is provided in the middle; the host mounting portion 201 is provided with threaded holes and pin holes surrounding the hollow hole; the host mounting portion 201 has a mounting surface widened along the Z direction and the X direction, and the interior is designed to be hollow, which can ensure a large span with the matching parts along the X-axis direction and the Z direction, and is connected in the form of a combination of pins 100 and screws 200, which ensures the reliability of the connection with the high-rigidity parts of the host under high-speed movement, while increasing the rigidity of the end of the X-axis positive direction guide rail 303 when the removal device takes out the product, and further suppresses its vibration during emergency stop.

[0030] Further, such as Figure 1As shown, a plurality of air avoidance holes 108 are provided on the upper arm and the lower wall, and air avoidance gaps 206 are provided at the upper and lower edges of the frame connecting portion 202 near the first end, and the air avoidance holes 108 and the air avoidance gaps 206 are used to cooperate with the installation and maintenance of the synchronous belt 304.

[0031] Further, such as Figure 1 , Figure 3 , Figure 4 As shown, the upper and lower parts of the front mounting plate are respectively provided with rail mounting grooves 102, the rail mounting surface 104 is provided at the bottom of the rail mounting groove 102, and the rail mounting groove 102 is further provided with wedge-shaped grooves 109 located on the opposite sides of the two rail mounting surfaces 104, and the bottom of the wedge-shaped grooves 109 is provided with a plurality of wedge block mounting holes; the wedge-shaped grooves 109 are used for wedge-shaped positioning when the guide rail 303 is installed, and are matched with wedge-shaped blocks of uniform specifications during assembly; during installation, the stability of the guide rail 303 in the Z-axis direction after installation is ensured by the installation method of the wedge-shaped block 305 pressing the guide rail 303 in a wedge shape; at the same time, A tool relief groove is provided on the rail mounting groove 102 at a position opposite to the guide rail 303 mounting surface 104, so that the flatness of the rail mounting surface 104 is not affected by the processing technology; during processing, the casting is annealed and semi-finishing is secondary annealed to eliminate the internal stress of the casting and machining, and then the two rail mounting surfaces 104 are processed again by a grinder to control the size and shape and position tolerances of the rail mounting surfaces 104 to ensure the coplanarity and parallelism of the upper and lower guide rails 303, thereby ensuring the coplanarity, parallelism and high-rigidity installation of the two guide rails 303, further reducing the resistance and corresponding vibration of the moving parts during sudden start and stop.

[0032] Further, such as Figure 1 As shown, end limit structures 103 are respectively provided at both ends of the front mounting plate for mechanical limiting; polyurethane limit blocks 302 are provided on the opposite sides of the end limit structures 103; when in use, a slide is installed on the high-rigidity guide rail beam structure based on horizontal movement, and the polyurethane limit blocks can ensure that when the dual motors 301 are out of control, the slide can collide with the polyurethane limit blocks for buffering, forcing the slide to stop, so as to ensure production safety.

[0033] The utility model greatly improves its overall rigidity and stability, especially in the X-axis direction, through structural optimization while ensuring that the overall weight is not too large; at the same time, the processing technology is optimized to reduce the overall deformation of the high-rigidity guide rail beam structure based on horizontal movement, improve the dimensional accuracy of the rail mounting surface 104 and the frame mounting surface, and ensure their parallelism; at the same time, the wedge-shaped pressing installation structure of the guide rail 303 is designed, which, compared with the ordinary direct installation method, enhances the placement accuracy in the Z-axis direction and reduces the impact of the problem that the parallelism between the upper and lower guide rails 303 is difficult to ensure due to the self-gravity of the guide rail 303;

[0034] In short, through a series of optimization measures based on the high-rigidity guide rail beam structure for horizontal movement, the vibration of the X-axis moving parts in the out-of-mold cooling and removal device during sudden start and stop has been greatly reduced, effectively ensuring stable production while ensuring product quality, and greatly extending the life of core moving parts.

[0035] The utility model effectively realizes the rapid installation of the active part servo motor and its parts and the driven part parts, and realizes the convenient disassembly and assembly of the synchronous belt 304 through relevant design. Through relevant optimized design, the high rigidity support of the one-piece casting is realized, which greatly reduces the vibration of the X-axis moving parts during sudden start and stop, effectively ensures stable production while ensuring product quality, and greatly prolongs the life of core moving parts.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high rigidity guide rail beam structure based on horizontal motion, characterized in that: The invention comprises a front mounting plate and a rear mounting plate (105) arranged opposite to each other, wherein a rail mounting surface (104) is arranged on the front mounting plate; an upper arm, a middle arm (106) and a lower arm are vertically connected between the front mounting plate and the rear mounting plate (105), and the upper arm, the middle arm (106) and the lower arm are respectively fixed at the upper edge, the middle part and the lower edge of the front mounting plate and the rear mounting plate (105); a motor mounting portion (101) is arranged at the first end of the front mounting plate and the rear mounting plate (105); a mainframe mounting portion (201) is arranged at the second end of the rear side of the rear mounting plate (105), and a frame connecting portion (202) is respectively arranged at the position adjacent to the mainframe mounting portion (201) and the motor mounting portion (101) on the rear mounting plate (105); and a plurality of reinforcing convex ribs (204) are arranged at intervals on the rear mounting plate (105).

2. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: The reinforcing ribs (204) are arranged on the rear mounting plate (105), the upper wall and the lower arm.

3. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: Two groups of rack connection holes are arranged on the rack connection part (202) near the first end of the rear mounting plate (105), and one group of rack connection holes is arranged on the rack connection part (202) near the second end of the rear mounting plate (105), and the three rack connection holes respectively correspond to the front, middle and rear positions of the high-rigidity guide rail beam structure based on horizontal movement.

4. The high rigidity guide rail beam structure based on horizontal motion according to claim 3, characterized in that: The lower surface of the lower arm is processed with three connecting ribs (203), and the position of each connecting rib (203) corresponds to a group of the frame connecting holes.

5. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: The height of the mainframe mounting portion (201) is greater than the height of the rear mounting plate (105), and a hollow hole is provided in the middle; the mainframe mounting portion (201) is provided with a threaded hole and a pin hole surrounding the hollow hole.

6. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: The mainframe mounting portion (201) and the frame connecting portion (202) are coated and thickened.

7. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: A plurality of air avoidance holes (108) are provided on the upper arm and the lower wall, and air avoidance gaps (206) are provided at the upper edge and the lower edge of the frame connecting portion (202) near the first end, and the air avoidance holes (108) and the air avoidance gaps (206) are used to facilitate the installation and maintenance of the synchronous belt (304).

8. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: The upper and lower parts of the front mounting plate are respectively provided with rail mounting grooves (102); the rail mounting surface (104) is arranged at the bottom of the rail mounting groove (102); the rail mounting groove (102) is further provided with wedge-shaped grooves (109) located at opposite sides of the two rail mounting surfaces (104); and the bottom of the wedge-shaped groove (109) is provided with a plurality of wedge mounting holes.

9. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: End limiting structures (103) are respectively arranged at both ends of the front mounting plate, and polyurethane limiting blocks (302) are arranged on opposite surfaces of the end limiting structures (103).

10. The high rigidity guide rail beam structure based on horizontal motion according to claim 1, characterized in that: The high-rigidity guide rail crossbeam structure based on horizontal movement is an integrated casting.