Automatic cutting and shaping tool for dashboard framework body stub bar

Abstract

The instrument panel framework body stub bar automatic cutting and shaping tool comprises a workbench and a controller, a positioning and clamping device, a plurality of stub bar cutting devices and at least two telescopic deformation preventing devices are arranged on the workbench, and the positioning and clamping device comprises a positioning mechanism and a pressing mechanism which are fixed to the upper end face of the workbench; the multiple material head cutting devices are correspondingly arranged at injection molding material heads of the instrument panel framework and used for cutting material heads generated during injection molding of the instrument panel framework. The at least two telescopic deformation prevention devices are arranged at the two ends of the workbench, each telescopic deformation prevention device comprises an air cooler, a supporting block and a driving air cylinder and is used for cooling and correcting telescopic deformation of the instrument panel framework; a cutting driving mechanism of the stub bar cutting device, a turnover mechanism of the clamping mechanism and an air cooler and a driving air cylinder of the telescopic deformation preventing device are electrically connected with the controller. The device is simple in structure, the product quality and the production efficiency are improved, and potential safety hazards of manual operation are avoided.

Description

Technical Field

[0001] The invention relates to injection molding of an instrument panel frame, and in particular to an automatic cutting and shaping tool for a main body material head of an instrument panel frame. Background Art

[0002] The automobile instrument is composed of an instrument panel frame and various instruments and indicators arranged on the instrument panel frame. The existing instrument panel frame is injection molded by an injection molding machine. However, during the injection molding process of the instrument panel frame in the mold, due to the large overall size of the instrument panel frame, there are many injection ports for the injection molding, so the material heads of the instrument panel frame after injection molding are numerous and complex, and manual shearing and modification are required. At present, manual processing has the following problems:

[0003] 1. When doing manual modification, there are differences in experience and processing methods, which may easily lead to quality problems such as missed repairs and bad repairs;

[0004] 2. Due to the complex structure of the product, after the dashboard frame is simply positioned using the existing fixed fixtures, there are misalignment and errors in manual operation, which makes the product prone to quality problems, high scrap rate, material waste and outflow of defective products.

[0005] 3. The manual operation time is long, which affects the low production efficiency.

[0006] 4. There is still a certain amount of deformation in the product from injection molding to cooling, resulting in product size errors.

[0007] 5. Manual operation also poses production safety risks.

[0008] Therefore, it is urgent to adopt mechanical automation operation to replace manual operation. Summary of the invention

[0009] The purpose of the present invention is to provide a tool for automatically cutting and shaping the material head of an instrument panel skeleton body in view of the deficiencies in the prior art, so as to improve product quality and production efficiency and avoid the safety hazards of manual operation.

[0010] The technical solution adopted for the purpose of the present invention is:

[0011] A tool for automatically cutting and shaping material heads of an instrument panel frame body, comprising a workbench and a controller, wherein a positioning clamping device, a plurality of material head cutting devices and at least two anti-telescoping and deformation devices are provided on the workbench, wherein the positioning clamping device comprises a positioning mechanism and a clamping mechanism fixed to the end face of the workbench, wherein the positioning mechanism is used to support and position the instrument panel frame, wherein the clamping mechanism is arranged on the workbench through a bracket and is located directly above the positioning mechanism, wherein a clamping block for pressing the instrument panel frame downward is provided on the clamping mechanism; wherein the plurality of material head cutting devices are respectively arranged at respective injection molding plastic heads of the instrument panel frame and are used to cut material heads generated during injection molding of the instrument panel frame; wherein at least two of the anti-telescoping and deformation devices are arranged at both ends of the workbench, wherein the anti-telescoping and deformation devices are arranged at both ends of the workbench, wherein the anti- The telescopic deformation device includes an air cooler, a support block and a driving cylinder. The driving cylinder is installed on the workbench through a cylinder seat. The piston end of the driving cylinder is connected to the support block to drive the support block to support the instrument panel frame. The upper end of the support block cooperates with the deformation of the instrument panel frame. The air cooler is arranged next to the support block through the fan seat. The anti-telescopic deformation device is used to cool and correct the telescopic deformation of the instrument panel frame; the cutting drive mechanism of the material head cutting device, the flipping mechanism of the clamping mechanism, and the air cooler and driving cylinder of the anti-telescopic deformation device are electrically connected to the controller respectively, and the start and stop actions of each material head cutting device, the clamping mechanism and the anti-telescopic deformation device are controlled by the controller respectively.

[0012] Furthermore, each of the material head cutting devices is correspondingly provided with the positioning clamping device.

[0013] Furthermore, the positioning mechanism includes a plurality of positioning seats distributed along the instrument panel frame, the upper end surface of each positioning seat is provided with a limiting portion for cooperating with the instrument panel frame, and each positioning seat is installed on the workbench through a base.

[0014] Furthermore, the clamping mechanism includes a clamping plate and a flipping mechanism, the clamping plate is provided with at least one clamping block, the lower end surface of the clamping block cooperates with the clamping surface of the instrument panel frame, one side of the clamping plate is hinged to the flipping mechanism, and the flipping mechanism is used to drive the clamping plate and the clamping block to rotate up and down.

[0015] Furthermore, the clamping mechanism includes two end clamping mechanisms and a middle clamping mechanism, the middle clamping mechanism is located in the middle of the workbench, and the two end clamping mechanisms are arranged at two ends of the workbench for clamping the instrument panel frame from three different positions.

[0016] Furthermore, the clamping mechanism includes two end clamping mechanisms and a middle clamping mechanism, the middle clamping mechanism is located in the middle of the workbench, and the two end clamping mechanisms are arranged at two ends of the workbench for clamping the instrument panel frame from three different positions.

[0017] Furthermore, the workbench is composed of a base panel and a base frame, the lower end surface of the base frame is provided with a supporting foot, the base panel is arranged on the upper end surface of the base frame, the positioning clamping device and the material head cutting device are fixed on the base panel, and support platforms are provided at both ends of the base frame, and the support platforms are used to install the anti-telescoping deformation device.

[0018] Furthermore, the lower end surface of the base frame is also provided with a universal wheel.

[0019] Furthermore, the material head cutting device includes a cutting base, a cutting protective cover, a cutting knife and a cutting drive mechanism, the cutting drive mechanism is obliquely installed on the cutting base, the cutting knife is installed on the movable end of the cutting drive mechanism through a knife seat, the cutting protective cover includes a protective cover base, a U-shaped frame and a protective cover, the U-shaped frame is fixed on the workbench through the protective cover base, the protective cover is obliquely arranged at the lower end of the U-shaped frame, and the cutting knife is slidably fitted in the protective cover.

[0020] Furthermore, the support block includes a longitudinal support block and a transverse support block, the longitudinal support block is connected to the driving cylinder, the transverse support block is fixed on a workbench, and the contact surface of the longitudinal support block with the instrument panel frame is an inclined surface.

[0021] The above technical solution has the following beneficial effects:

[0022] The present invention has a simple structure. The workbench is provided with a positioning clamping device, a plurality of material head cutting devices and at least two anti-telescopic deformation devices. The positioning clamping device includes a positioning mechanism and a pressing mechanism. The pressing block of the pressing mechanism is correspondingly arranged at the upper end of each positioning seat, and is used to support and position the instrument panel frame at the lower end, and press the instrument panel frame at the upper end, so as to ensure that the instrument panel frame is installed more firmly, and prevent the instrument panel frame from jumping when the material head cutting device is cutting, thereby ensuring the cutting accuracy. Each material head corresponds to a material head cutting device, which avoids manual operation errors, missed cutting, etc., reduces labor costs, can quickly complete cutting, and improves work efficiency and the safety of the production environment. Through the anti-telescopic deformation device, the driving cylinder of the anti-telescopic deformation device drives the support block, so as to stretch the instrument panel frame to correct the instrument panel frame. By adding a cooling fan, the instrument panel frame can be quickly cooled and shaped, ensuring the accuracy of product size processing and ensuring product quality. Therefore, the present invention reduces the scrap rate, rework rate and the safety risk of personnel injury, and reduces production costs. It can also be applied to other easily deformed telescopic injection molding parts.

[0023] A positioning seat and a clamping block are correspondingly provided at each material head cutting position, ensuring that each material head cutting device is more stable during cutting, preventing each material head from shaking during cutting, improving the smoothness of the cutting, and ensuring the cutting accuracy.

[0024] The clamping mechanism comprises clamping mechanisms at both ends and a clamping mechanism in the middle. The three clamping mechanisms are used to clamp from three different positions, thereby ensuring that the instrument panel frame is subjected to uniform force.

[0025] The material head cutting device includes a cutting base, a cutting protective cover, a cutting knife and a cutting drive mechanism. The cutting protective cover includes a U-shaped frame and a protective cover. The protective cover is tilted at the lower end of the U-shaped frame. The cutting knife is slidably fitted in the protective cover. The cutting drive mechanism is tilted on the cutting base. The cutting knife is installed at the movable end of the cutting drive mechanism through a knife seat. The cutting knife is slidably fitted in the protective cover. The cutting knife is inserted into the cutting protective cover, which avoids the instrument panel frame being scratched by the cutting knife during the process of taking and placing, thereby ensuring product quality.

[0026] The support block includes a longitudinal support block and a transverse support block. The longitudinal support block is connected to the driving cylinder, and the transverse support block is fixed on the workbench. The longitudinal support block and the transverse support block are used together to perform stretching correction on the deformation of the instrument panel frame, thereby ensuring the shaping accuracy.

[0027] Further description is given below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of specific embodiment 1;

[0029] Figure 2 for Figure 1 Side view of

[0030] Figure 3 for Figure 1 A top view of

[0031] Figure 4 It is an exploded view of the workbench of specific embodiment 1;

[0032] Figure 5 It is a schematic diagram of the positioning seat structure of the positioning mechanism in specific embodiment 1;

[0033] Figure 6 It is an exploded view of the material head cutting device in specific embodiment 1;

[0034] Figure 7 This is a schematic diagram of a cutting base of a material head cutting device in specific embodiment 1;

[0035] Figure 8 for Figure 7 Side view of

[0036] Fig. 9 is a schematic structural diagram of the anti-telescopic deformation device in specific embodiment 1;

[0037] Fig.10 This is a schematic diagram of the structure in the use state in specific embodiment 1;

[0038] Fig.11 for Fig.10 Side view of.

[0039] In the attached drawings, 1 is a workbench, 1-1 is a base panel, 1-2 is a base frame, 1-3 is a universal wheel, 12 is a positioning mechanism, 2-1 is a positioning seat, 3 is a clamping mechanism, 3-1 is a first clamping mechanism, 3-2 is a second clamping mechanism, 3-3 is a third clamping mechanism, 3-4 is a fourth clamping mechanism, 3-5 is a fifth clamping mechanism, 4 is a material head cutting device, 4-1 is a cutting base, 4-1-1 is a positioning base, 4-1-2 is a supporting column, 4-1-3 is an adjusting disk, 4-1-4 is a cutting positioning block, 4-2 is a cutting protective cover, 4-2-1 is a U-shaped frame, 4-2-2 is a protective cover, 4-3 is a cutting knife, 4-4 is a cutting drive mechanism, 5 is an anti-telescoping deformation device, 5-1 is a cold air blower, 5-2 is a supporting block, 5-3 is a driving cylinder, 5-2-1 is a longitudinal supporting block, 5-2-2 is a transverse supporting block, 6 is an instrument panel frame, and 7 is a bracket. DETAILED DESCRIPTION Specific embodiment 1:

[0041] See also Figures 1 to 11As shown, an instrument panel frame body material head automatic cutting and shaping tool comprises a workbench 1, a robotic arm and a controller, the workbench 1 is provided with a positioning clamping device, a plurality of material head cutting devices 4 and at least two anti-telescoping deformation devices 5, the positioning clamping device comprises a positioning mechanism 2 and a clamping mechanism 3 fixed on the end surface of the workbench, the positioning mechanism 2 is used to support and position the instrument panel frame, the positioning mechanism 2 comprises a plurality of positioning seats 2-1 distributed along the instrument panel frame, the upper end surface of each positioning seat 2-1 is provided with a limiting portion for cooperating with the instrument panel frame, and each positioning seat 2-1 is installed on the workbench 1 through a base.

[0042] The clamping mechanism 3 is arranged on the workbench 1 through the bracket 7, and is located directly above the positioning mechanism 2. The clamping mechanism includes a clamping mechanism at both ends and a middle clamping mechanism. The middle clamping mechanism is located in the middle of the workbench and is used to clamp the middle of the instrument panel frame. The clamping mechanisms at both ends are arranged at the left and right ends of the workbench. The stroke of the flipping drive cylinder of the middle clamping mechanism is greater than the stroke of the flipping drive cylinder of the clamping mechanisms at both ends, and is used to clamp the instrument panel frame from three different positions. The clamping mechanism 3 is provided with a clamping block for pressing the instrument panel frame downward. The clamping mechanism includes a clamping plate and a flipping mechanism. At least one clamping block is arranged on the clamping plate. The lower end surface of the clamping block matches the profile to be clamped of the instrument panel frame. One side of the clamping plate is hinged on the flipping mechanism. The flipping mechanism includes a flipping bracket and a flipping drive cylinder. One end of the clamping plate is hinged on the piston rod of the flipping drive cylinder. The clamping plate is sleeved on the piston rod of the flipping drive cylinder through the flipping bracket. The flipping mechanism is used to drive the clamping plate and the clamping block to rotate up and down.

[0043] The multiple material head cutting devices 4 are respectively arranged at the injection molding heads of the instrument panel frame, and are used to cut the material heads generated during the injection molding of the instrument panel frame; the material head cutting device 4 includes a cutting base 4-1, a cutting protective cover 4-2, a cutting knife 4-3 and a cutting drive mechanism 4-4, the cutting drive mechanism 4-4 is tiltedly installed on the cutting base 4-1, the cutting drive mechanism 4-4 has an inclination angle of 30 to 60 degrees, the cutting drive mechanism adopts a cylinder, the cutting knife 4-3 is installed on the movable end of the cutting drive mechanism through a knife seat, and the cutting knife is tilted and extended to make the cutting surface smoother. The cutting protective cover 4-2 includes a protective cover base, a U-shaped frame 4-2-1 and a protective cover 4-2-2, the U-shaped frame is fixed to the protective cover base by bolts, the protective cover base is fixed to the workbench by bolts, the protective cover is tiltedly arranged at the lower end of the U-shaped frame, the inclination angle of the protective cover is the same as the inclination angle of the cutting drive mechanism, the cutting knife 4-3 is slidably fitted in the protective cover, and the cutting protective cover 4-2 effectively prevents the cutting knife 4-3 from scratching the instrument panel frame. Each of the material cutting devices is provided with a corresponding pressing block of a pressing mechanism. In this specific embodiment: each material cutting position of the instrument panel frame is provided with a corresponding pressing block of a pressing mechanism.

[0044] In this specific embodiment: the instrument panel skeleton has eight injection plastic heads, so a material head cutting device is provided at each of the eight injection plastic heads, and each material head cutting device corresponds to a clamping block of the clamping mechanism, including a first clamping mechanism 3-1, a second clamping mechanism 3-2, a third clamping mechanism 3-3, a fourth clamping mechanism 3-4 and a fifth clamping mechanism 3-5. The third clamping mechanism 3-3 is a middle clamping mechanism. The first clamping mechanism 3-1, the third clamping mechanism 3-3 and the fifth clamping mechanism 3-5 are all provided with two clamping blocks. The inclination angle of the cutting drive mechanism is 45°, and the inclination angle of the protective cover is 45°, which has the best effect.

[0045] The cutting base 4-1 includes a positioning base 4-1-1, a support column 4-1-2, two adjustment disks 4-1-3 and a cutting positioning block 4-1-4. The positioning base 4-1-1 is a step structure. The lower end of the support column 4-1-2 is fixed to the base. The upper end of the support column 4-1-2 is connected to one of the adjustment disks 4-1-3, and the other adjustment disk 4-1-3 is connected to the cutting positioning block. The cutting positioning block 4-1-4 is used to install the cutting drive mechanism 4-4. The two adjustment disks 4-1-3 are fixed by bolts. The two adjustment disks 4-1-3 are used to facilitate the adjustment of the inclination angle of the cutting positioning block 4-1-4, thereby adjusting the angle of the cutting drive mechanism 4-4 according to different cutting angles.

[0046] Furthermore, one of the two adjustment disks 4-1-3 is provided with a mounting hole, and the other adjustment disk 4-1-3 is provided with a strip-shaped adjustment hole, through which bolts can be easily installed.

[0047] At least two of the anti-telescoping deformation devices 5 are arranged at both ends of the workbench, and the anti-telescoping deformation device 5 includes a cooler 5-1, a support block 5-2 and a driving cylinder 5-3. The driving cylinder 5-3 is installed on the workbench through a cylinder seat, and the piston end of the driving cylinder 5-3 is connected to the support block 5-2, which is used to drive the support block to move horizontally. The upper end of the support block 5-2 cooperates with the deformed part of the instrument panel frame. The cooler 5-1 is arranged next to the support block through the fan seat. The anti-telescoping deformation device 5 is used to cool and correct the telescopic deformation of the instrument panel frame. In this specific embodiment: two anti-telescopic deformation devices 5 are respectively arranged at the two ends of the workbench, and the support block 5-2 of each anti-telescopic deformation device 5 includes a longitudinal support block 5-2-1 and a transverse support block 5-2-2. The longitudinal support block 5-2-1 is connected to the driving cylinder 5-3, and the transverse support block 5-2-2 is fixed on the workbench 1. The transverse support block 5-2-2 is provided with a step that matches the inner wall of the instrument panel frame, and the longitudinal support block 5-2-1 is provided with an inclined surface for matching the inner side of the instrument panel frame. The inclined surface not only facilitates the insertion of the longitudinal support block 5-2-1 into the instrument panel frame, but also corresponds to the inner side of the instrument panel frame, thereby ensuring the product shape. In this specific embodiment: the air cooler is arranged opposite to the driving cylinder and is located next to the longitudinal support block. The longitudinal support block 5-2-1 is composed of two blocks, and there is a certain distance between the two blocks, so as to expand the contact area with both sides of the instrument panel frame.

[0048] The cutting drive mechanism of the material head cutting device 4, the flipping mechanism of the clamping mechanism 3, and the cooling fan and driving cylinder of the anti-telescoping deformation device 5 are electrically connected to the controller respectively, and the start and stop actions of each material head cutting device, the clamping mechanism 3 and the anti-telescoping deformation device 5 are controlled by the controller respectively.

[0049] The workbench 1 is composed of a base panel 1-1 and a base frame 1-2. The lower end surface of the base frame 1-2 is provided with a support foot. The base panel 1-1 is arranged on the upper end surface of the base frame 1-2. The positioning clamping device and the material head cutting device are fixed on the base panel. Support platforms are provided at both ends of the base frame. The support platforms are used to install the anti-telescopic deformation device. The lower end surface of the base frame is also provided with a universal wheel 1-3. In this specific embodiment: the lower end surface of the base frame is provided with a reinforcing rib and four universal wheels 1-3.

[0050] The mechanical arm is arranged on the side of the workbench, and the mechanical arm is electrically connected to the controller. The mechanical arm is used to take and place the dashboard frame, which makes the operation more labor-saving. The work efficiency and intelligence level are improved by cooperating with the mechanical arm.

[0051] Working principle of the present invention:

[0052] First, the instrument panel frame is taken out of the injection molding machine mold by a mechanical arm and placed on the positioning mechanism of the workbench. Secondly, the controller controls the flipping mechanism of the clamping mechanism so that the clamping block on the clamping mechanism presses the instrument panel frame from top to bottom, forming an upper and lower positioning clamp, which is more secure.

[0053] Then, the controller controls the cutting drive mechanism of the material head cutting device to drive the cutting knife to extend out of the cutting protection cover to cut the material head, and controls the driving cylinder of the anti-telescoping deformation device through the controller to drive the longitudinal support block to stretch to both sides, and support it through the transverse support block, so as to correct the deformation of the instrument panel frame. In order to improve the rapid shaping of the instrument panel frame, the controller controls the cooling fan to quickly cool the instrument panel frame, so as to quickly cool and shape the deformed position.

[0054] Finally, after the cutting, cooling and shaping processes are completed, the controller controls the flipping mechanism to flip the pressing block on the pressing plate upward, controls the robotic arm to take out the dashboard frame and replace the next workpiece.

Claims

1. An instrument panel frame body material head automatic cutting and shaping tool, characterized by: The invention comprises a workbench and a controller, wherein the workbench is provided with a positioning clamping device, a plurality of material head cutting devices and at least two anti-telescoping deformation devices, wherein the positioning clamping device comprises a positioning mechanism and a pressing mechanism fixed to the end surface of the workbench, wherein the positioning mechanism is used to support and position the instrument panel frame, wherein the pressing mechanism is arranged on the workbench through a bracket and is located above the positioning mechanism, wherein the pressing mechanism is provided with a pressing block used to press the instrument panel frame downward; wherein the plurality of material head cutting devices are respectively arranged at each injection molding plastic head of the instrument panel frame and are used to cut the material heads generated during the injection molding of the instrument panel frame; wherein at least two of the anti-telescoping deformation devices are arranged at both ends of the workbench, wherein the anti-telescoping deformation device comprises a cooling fan , a support block and a driving cylinder, the driving cylinder is installed on the workbench through a cylinder seat, the piston end of the driving cylinder is connected to the support block, used to drive the support block to support the instrument panel frame, the upper end of the support block cooperates with the deformation of the instrument panel frame, the air cooler is arranged beside the support block through a fan seat, and the anti-telescoping deformation device is used to cool and correct the telescopic deformation of the instrument panel frame; the cutting drive mechanism of the material head cutting device, the flipping mechanism of the clamping mechanism and the air cooler and driving cylinder of the anti-telescoping deformation device are electrically connected to the controller respectively, and the start and stop actions of each material head cutting device, the clamping mechanism and the anti-telescoping deformation device are controlled by the controller respectively.

2. The automatic cutting and shaping tool for the instrument panel frame body according to claim 1 is characterized by: Each of the material head cutting devices is correspondingly provided with the positioning clamping device.

3. The automatic cutting and shaping tool for the instrument panel frame body according to claim 1 or 2, characterized in that: The positioning mechanism comprises a plurality of positioning seats distributed along the instrument panel frame, the upper end surface of each positioning seat is provided with a limiting portion for cooperating with the instrument panel frame, and each positioning seat is installed on the workbench through a base.

4. The automatic cutting and shaping tool for the instrument panel frame body according to claim 1 or 2, characterized in that: The clamping mechanism includes a clamping plate and a flipping mechanism. At least one clamping block is arranged on the clamping plate. The lower end surface of the clamping block cooperates with the clamping profile of the instrument panel frame. One side of the clamping plate is hinged on the flipping mechanism. The flipping mechanism is used to drive the clamping plate and the clamping block to rotate up and down.

5. The automatic cutting and shaping tool for the instrument panel frame body material head according to claim 1 or 2, characterized in that: The clamping mechanism comprises two end clamping mechanisms and a middle clamping mechanism. The middle clamping mechanism is located in the middle of the workbench, and the two end clamping mechanisms are arranged at two ends of the workbench for clamping the instrument panel frame from three different positions.

6. The automatic cutting and shaping tool for the instrument panel frame body according to claim 1 is characterized by: The workbench is composed of a base panel and a base frame, the lower end surface of the base frame is provided with a supporting foot, the base panel is arranged on the upper end surface of the base frame, the positioning clamping device and the material head cutting device are fixed on the base panel, and support platforms are provided at both ends of the base frame, and the support platforms are used to install the anti-telescoping deformation device.

7. The automatic cutting and shaping tool for the instrument panel frame body material head according to claim 6 is characterized by: The lower end surface of the base frame is also provided with a universal wheel.

8. The automatic cutting and shaping tool for the instrument panel frame body material head according to claim 1, characterized in that: The material head cutting device includes a cutting base, a cutting protective cover, a cutting knife and a cutting drive mechanism. The cutting drive mechanism is installed obliquely on the cutting base. The cutting knife is installed on the movable end of the cutting drive mechanism through a knife seat. The cutting protective cover includes a protective cover base, a U-shaped frame and a protective cover. The U-shaped frame is fixed on the workbench through the protective cover base. The protective cover is obliquely arranged at the lower end of the U-shaped frame, and the cutting knife is slidably fitted in the protective cover.

9. The automatic cutting and shaping tool for the instrument panel frame body material head according to claim 1, characterized in that: The support block comprises a longitudinal support block and a transverse support block, wherein the longitudinal support block is connected to the driving cylinder, and the transverse support block is fixed on the workbench.

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