Prepreg laser heating tool

By designing a laser heating fixture for prepregs and utilizing lifting and angle adjustment structures, the problem of inconvenient adjustment of the position and angle of the laser heating device was solved, thereby improving the temperature uniformity and accuracy of prepreg heating.

CN223701365UActive Publication Date: 2025-12-23SHENYANG AEROSPACE UNIVERSITY
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Patent Information

Application Number
CN202520128474.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-23
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

The position and angle of existing laser heating devices are not easy to adjust, which affects the uniformity and accuracy of the heating temperature of prepreg.

Method used

A laser heating fixture for prepregs was designed, including a base, a gantry frame, a lifting and adjusting structure, an angle adjusting structure, and first and second laser heating devices. The position and angle of the laser heating devices are precisely adjusted through a lifting drive device and a rotation drive device.

Benefits of technology

It enables convenient adjustment of the position and angle of the laser heating device, improving the uniformity and accuracy of the prepreg heating temperature.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a prepreg laser heating tool which comprises a base, a portal frame, a lifting adjusting structure, an angle adjusting structure, a first laser heating device and a second laser heating device, the portal frame is installed on the base in a sliding mode, the lifting adjusting structure is installed on two stand columns of the portal frame, and the angle adjusting structure is installed on the two stand columns of the portal frame. The angle adjusting structure comprises a rotary driving device and connecting shafts and is used for driving the two connecting shafts installed on the upper lifting sliding seat and the lower lifting sliding seat respectively to rotate reversely, and the first laser heating device and the second laser heating device are installed on the two connecting shafts respectively. And the light source is used for synchronously adjusting the irradiation angle under the driving of the connecting shaft. The prepreg laser heating tool is simple in structure, the position and the angle of the laser heating device can be conveniently adjusted, and then the prepreg heating temperature is adjusted.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of thermoplastic composite material preparation, and particularly provide a kind of prepreg laser heating tool. BACKGROUND

[0002] Continuous fiber reinforced thermoplastic composite material (for example carbon fiber) has the advantages of low density, strong toughness, corrosion resistance, fatigue resistance, etc., is widely used in aerospace, automobile, energy, medical field, etc., and prepreg is used as the intermediate material for preparing continuous fiber reinforced thermoplastic composite material, and the performance of prepreg directly affects the performance of material, wherein the heating temperature of prepreg directly affects the performance of prepreg.

[0003] In the prior art, laser heating has been used for the heating of prepreg, which can realize high-precision local heating of prepreg, so that the specific area of composite prepreg can be quickly and uniformly heated, however, the position and angle of the existing laser heating device are not convenient to adjust or the adjustment precision is low, which affects the heating temperature of prepreg and further affects the performance of prepreg.

[0004] Therefore, it is an urgent problem to provide a prepreg laser heating tool which can conveniently and accurately adjust the position and angle of laser heating device. SUMMARY

[0005] The utility model discloses a kind of prepreg laser heating tool, to at least solve the problem that the position and angle of existing laser heating device are not convenient to adjust.

[0006] In order to achieve the above object, the utility model provides a kind of prepreg laser heating tool, comprising: base, portal frame, lifting adjustment structure, angle adjustment structure, first laser heating device and second laser heating device, wherein, the portal frame is slidably installed on the base, the lifting adjustment structure is installed on the portal frame, the lifting adjustment structure includes lifting drive device, two-way screw, connecting block, lifting slide, lifting rail, synchronous belt and synchronous pulley, the two-way screw is two and is correspondingly installed on the two columns of the portal frame, two two-way screws are connected by the synchronous belt and synchronous pulley, the lifting drive device is connected with one two-way screw, the lifting slide is four and is slidably installed on the two columns of the portal frame by the lifting rail, four lifting slides are connected with four thread segments on two two-way screws one by one by the connecting block correspondingly, the angle adjustment structure includes rotary drive device and connecting shaft, the connecting shaft is two and is connected between the two lifting slides above and between the two lifting slides below respectively, the rotary drive device is connected with the connecting shaft, for driving two connecting shafts reverse rotation, the first laser heating device and second laser heating device are installed on two connecting shafts respectively, for synchronous adjustment irradiation angle under the driving of the connecting shaft.

[0007] Preferably, two transverse rails are provided on the base, and the portal frame is slidably installed between the two transverse rails through transverse sliding blocks matched with the transverse rails.

[0008] Further preferably, a clamp is installed on the transverse sliding block, and a handle is provided on the portal frame.

[0009] Further preferably, the lifting drive device is a servo motor or a hand-operated turntable, and the rotary drive device is a servo motor or a hand-operated turntable.

[0010] Further preferably, the lifting adjustment structure further includes a first locking unit, the first locking unit is fixedly installed on the portal frame and matched with the two-way screw or the output shaft of the lifting drive device, for locking the two-way screw, and the angle adjustment structure further includes a second locking unit, the second locking unit is fixedly installed on the portal frame and matched with the connecting shaft or the output shaft of the rotary drive device, for locking the connecting shaft.

[0011] Further preferably, the connecting block is L-shaped, one side of the connecting block is matched and connected with the thread segment of the two-way screw, and the other side of the connecting block is fixedly connected with the lifting slide.

[0012] Further preferably, the two ends of the connecting shaft are connected with the lifting slides through bearing seats.

[0013] Further preferably, one synchronous pulley is mounted on each of the two connecting shafts, and an 8-shaped synchronous belt is mounted on the two synchronous pulleys.

[0014] Further preferably, the first laser heating device and the second laser heating device are fixedly installed on the connecting shafts through mounting bases, and a plurality of lasers are correspondingly installed on the first laser heating device and the second laser heating device.

[0015] Further preferably, the lasers on the first laser heating device and the second laser heating device are slidingly installed on the first laser heating device and the second laser heating device along the length direction of the connecting shafts.

[0016] The pre-preg laser heating tool provided by the utility model has simple structure, can conveniently adjust the position and angle of the laser heating device, and further adjusts the heating temperature on the pre-preg. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings:

[0018] Figure 1 The structure schematic view of the pre-preg laser heating tool provided by the utility model is shown in the figure;

[0019] Figure 2 The enlarged view of the connection of the lifting adjusting structure and the angle adjusting structure with the portal frame column is shown in the figure;

[0020] Figure 3 The use schematic view of the pre-preg laser heating tool provided by the utility model is shown in the figure. DETAILED DESCRIPTION

[0021] The utility model will be further explained in combination with specific implementation schemes, but is not limited to the utility model.

[0022] As Figures 1 to 3As shown, the utility model provides a kind of prepreg laser heating tool, comprising: base 1, portal frame 2, lifting adjustment structure 3, angle adjustment structure 4, first laser heating device 5 and second laser heating device 6, wherein, the portal frame 2 is slidably installed on the base 1, the lifting adjustment structure 3 is installed on the portal frame 2, the lifting adjustment structure 3 includes lifting drive device 31, bidirectional screw 32, connecting block 33, lifting slide 34, lifting guide rail 35, synchronous belt 36 and synchronous pulley 37, the bidirectional screw 32 is two and is installed on the two columns of the portal frame 2, as Figure 2 As shown, the bidirectional screw can be installed on portal frame 2 by screw mounting seat 321, two bidirectional screws 32 are connected by synchronous belt 36 and synchronous pulley 37, the lifting drive device 31 is connected with a bidirectional screw 32, for providing rotating power, to drive two bidirectional screws 32 to rotate synchronously, the lifting slide 34 is four and is slidably installed on the two columns of the portal frame 2 by the lifting guide rail 35, four lifting slides 34 are connected with four thread segments on two bidirectional screws 32 by connecting block 33, the angle adjustment structure 4 includes rotary drive device 41 and connecting shaft 42, the connecting shaft 42 is two and is connected between the two lifting slides 34 above and the two lifting slides 34 below respectively, the rotary drive device 41 is connected with the connecting shaft 42, for driving two connecting shafts 42 to rotate reversely, the first laser heating device 4 and the second laser heating device 5 are installed on two connecting shafts 42 respectively, for adjusting irradiation angle synchronously under the driving of the connecting shaft 42.

[0023] The prepreg laser heating tool has simple structure, can conveniently adjust the position and angle of laser heating device, to adjust the heating temperature of prepreg, before using the tool to heat prepreg, first install the tool on the corresponding position of prepreg conveying platform 10 (such as Figure 3 As shown), two laser heating devices are symmetrically installed above and below prepreg, to heat above and below prepreg simultaneously, wherein, Figure 3 The number 8 in represents optical path, before heating or during heating, the position and angle of two laser heating devices can be adjusted by adjusting the position of portal frame on base, the position of laser heating device along the running direction of prepreg conveying platform can be adjusted by adjusting the position of portal frame on base, two bidirectional screws can be driven to rotate synchronously by lifting drive device, to drive lifting slide to move up and down by connecting block, to realize the synchronous approach or departure of two laser heating devices, two connecting shafts can be driven to rotate reversely by rotary drive device, to drive two laser heating devices to open and close synchronously, to ensure that the irradiation range above and below is consistent.

[0024] As an improvement of the technical scheme, as shown in Figure 1 , two transverse rails 11 are arranged on the base 1, the gantry 2 is slidingly installed between the two transverse rails 11 through transverse sliding blocks 21 matched with the transverse rails 11, preferably, gantry brackets are arranged on both sides of the gantry, and the gantry brackets are installed on the transverse sliding blocks.

[0025] As an improvement of the technical scheme, a clamp is installed on the transverse sliding block 21 for locking the position of the gantry on the base, as shown in Figure 2 , a handle 22 is arranged on the gantry 2 for adjusting the position of the gantry, and the position of the gantry can also be adjusted through an electric cylinder, which is not described herein.

[0026] As an improvement of the technical scheme, the lifting driving device 31 is a servo motor or a hand-operated rotating disc (as shown in Figure 1 , Figure 2 ), and the rotating driving device 41 is a servo motor or a hand-operated rotating disc (as shown in Figure 1 , Figure 2 ), the lifting driving device 31 and the rotating driving device 41 each have an output shaft, and the output shafts are connected with the bidirectional lead screw and the connecting shaft respectively for driving the bidirectional lead screw and the connecting shaft to rotate.

[0027] As an improvement of the technical scheme, as shown in Figure 2 , the lifting adjusting structure 3 further comprises a first locking unit 38, the first locking unit 38 is fixedly installed on the gantry 2 and matched with the output shaft of the bidirectional lead screw 32 or the lifting driving device 31, for locking the bidirectional lead screw 32 to prevent it from rotating, and the angle adjusting structure 4 further comprises a second locking unit 43, the second locking unit 43 is fixedly installed on the gantry 2 and matched with the output shaft of the connecting shaft 42 or the rotating driving device 41, for locking the connecting shaft 42 to prevent it from rotating.

[0028] As an improvement of the technical scheme, as shown in Figure 2 , the connecting block 33 is L-shaped, one side of the connecting block 33 is matched and connected with the threaded segment of the bidirectional lead screw 32, and the other side of the connecting block 33 is fixedly connected with the lifting sliding seat 34.

[0029] As an improvement of the technical scheme, as shown in Figure 1 , Figure 2 , both ends of the connecting shaft 42 are connected with the lifting sliding seat 34 through bearing seats 44.

[0030] As shown in Figure 1As shown in the figure, the angle adjustment of the two laser heating devices can be adjusted by two rotating driving devices respectively, as an improvement of the technical scheme, a synchronous pulley is installed on each of the two connecting shafts 42, and a 8-shaped synchronous belt is installed on the two synchronous pulleys, the rotating driving device 41 is one and is connected with one connecting shaft 42, and the angle of the two laser heating devices can be adjusted synchronously by one rotating driving device.

[0031] As an improvement of the technical scheme, the first laser heating device 5 and the second laser heating device 6 are fixedly installed on the connecting shaft 42 through mounting seats respectively, as shown in the figure, Figure 1 、 Figure 3 As shown in the figure, a plurality of lasers 7 are installed on the first laser heating device 5 and the second laser heating device 6 respectively.

[0032] As an improvement of the technical scheme, the lasers 7 on the first laser heating device 5 and the second laser heating device 6 are slidingly installed on the first laser heating device 5 and the second laser heating device 6 along the length direction of the connecting shaft 42, so as to realize the position adjustment of the lasers along the vertical pre-preg running direction.

[0033] The specific embodiments of the utility model are written in a progressive manner, and the differences between various embodiments are emphasized, and the similar parts can be referred to each other.

[0034] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A prepreg laser heating tooling characterized by, The utility model relates to a laser heating device, including: Base (1), portal frame (2), lift adjusting structure (3), angle adjusting structure (4), first laser heating device (5) and second laser heating device (6), wherein the portal frame (2) is slidably installed on the base (1), the lift adjusting structure (3) is installed on the portal frame (2), the lift adjusting structure (3) includes lift drive arrangement (31), two -way lead screw (32), connecting block (33), lift slide (34), lift rail (35), synchronous belt (36) and synchronous pulley (37), the two -way lead screw (32) is two and is correspondingly installed on the two vertical columns of the portal frame (2), two two -way lead screws (32) are connected through the synchronous belt (36) and synchronous pulley (37), the lift drive arrangement (31) is connected with a two -way lead screw (32), the lift slide (34) is four and is slidably installed on the two vertical columns of the portal frame (2) through the lift rail (35), four lift slides (34) are connected with four thread sections on two two -way lead screws (32) one to one through the connecting block (33) correspondingly, the angle adjusting structure (4) includes rotary drive arrangement (41) and connecting shaft (42), the connecting shaft (42) is two and is connected between the two lift slides (34) located above and between the two lift slides (34) located below respectively, the rotary drive arrangement (41) is connected with the connecting shaft (42), is used for driving two connecting shafts (42) reverse rotation, the first laser heating device (5) and second laser heating device (6) are installed on two connecting shafts (42) respectively, are used for synchronous adjustment irradiation angle under the driving of the connecting shaft (42).

2. The laser heating tooling for prepreg according to claim 1, wherein: Two lateral rails (11) are arranged on the base (1), and the portal frame (2) is slidably installed between the two lateral rails (11) through lateral sliding blocks (21) matched with the lateral rails (11).

3. The laser heating tooling for prepreg according to claim 2, wherein: A clamp is installed on the lateral sliding block (21), and a handle (22) is arranged on the portal frame (2).

4. The laser heating tooling for prepreg according to claim 1, wherein: The lift drive arrangement (31) is a servo motor or a hand-operated rotary disc, and the rotary drive arrangement (41) is a servo motor or a hand-operated rotary disc.

5. The laser heating tooling for prepreg according to claim 1, wherein: The lift adjusting structure (3) further comprises a first locking unit (38) fixedly installed on the portal frame (2) and matched with the two-way lead screw (32) or an output shaft of the lift drive arrangement (31), for locking the two-way lead screw (32); the angle adjusting structure (4) further comprises a second locking unit (43) fixedly installed on the portal frame (2) and matched with the connecting shaft (42) or an output shaft of the rotary drive arrangement (41), for locking the connecting shaft (42).

6. The laser heating tooling for prepreg according to claim 1, wherein: The connecting block (33) is L-shaped, one side of the connecting block (33) is matched and connected with a thread section of the two-way lead screw (32), and the other side of the connecting block (33) is fixedly connected with the lift slide (34).

7. The laser heating tooling for prepreg according to claim 1, wherein: Two ends of the connecting shaft (42) are connected with the lifting slide (34) through bearing seats (44).

8. The laser heating tool for prepreg according to claim 1, wherein: Each of the two connecting shafts (42) is provided with a synchronous pulley, and the two synchronous pulleys are provided with a synchronous belt in the shape of 8.

9. The laser heating tool for prepreg according to claim 1, wherein: The first laser heating device (5) and the second laser heating device (6) are respectively fixedly installed on the connecting shaft (42) through mounting seats, and a plurality of lasers (7) are correspondingly installed on the first laser heating device (5) and the second laser heating device (6).

10. The laser heating tool for prepreg according to claim 1, wherein: The lasers (7) on the first laser heating device (5) and the second laser heating device (6) are slidably installed on the first laser heating device (5) and the second laser heating device (6) along the length direction of the connecting shaft (42).