Device for pushing soft strip to be automatically inserted into die cavity through clamp

Abstract

The utility model discloses a device for pushing a soft strip to be automatically inserted into a die cavity by a clamp, which comprises an inserting strip clamp, an inserting strip power assembly and a lower die assembly, the inserting strip clamp is provided with a profiling cavity and a push rod, the profiling cavity is matched with the shape of a soft sealing strip, and the push rod can move in the profiling cavity. The strip inserting clamp is detachably installed on the strip inserting power assembly, the strip inserting power assembly can drive the push rod, the strip inserting power assembly is fixedly installed on the lower die assembly, the lower die assembly is provided with a lower die cavity, and the lower die cavity communicates with the profiling cavity. When the tool is used for automatically inserting the soft sealing strip into the die cavity, the formed profiling cavity can ensure that the soft sealing strip is kept in an inserting state and can smoothly enter the die, the automation degree is improved, and the tool is suitable for the requirements of current automatic production.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of inserting equipment, and particularly relates to a clamp pushing soft strip automatic insertion mold cavity device. BACKGROUND

[0002] With the rapid development of China's automobile industry, the automobile production scale is getting larger and larger, and the demand for the sealing strip as a part of the automobile is also increasing. A complete sealing strip needs to go through cutting and injection molding two production processes to form a complete finished product. In order to meet the demand of large quantity of products, an automatic production line integrating cutting and injection molding is formed to improve production efficiency. Since the sealing strip is soft and needs to be folded before being inserted into the mold cavity, in the past, the operator first folds the product by hand and keeps it in the folded state, and then inserts it into the mold. The deformation of the product due to its softness and the fact that the hand cannot keep the product folded all the time result in difficulty in inserting the product into the mold cavity, which is time-consuming and laborious. In order to improve production efficiency, robots are used to carry the product and automatically insert the strip in the injection molding process on the automatic production line, and the manual insertion mode of the operator on the mold cannot meet the needs of the present production. SUMMARY

[0003] The utility model aims at overcoming the above-mentioned defects, and provides a clamp pushing soft strip automatic insertion mold cavity device, which has simple structure, reasonable design, easy production and high efficiency of soft sealing strip insertion.

[0004] Technical scheme: In order to achieve the above-mentioned purpose, the utility model provides a clamp pushing soft strip automatic insertion mold cavity device, which comprises a strip inserting clamp, a strip inserting power assembly and a lower mold assembly. The strip inserting clamp is provided with a profiling cavity and a push rod which are matched with the shape of the soft sealing strip. The push rod can move in the profiling cavity. The strip inserting clamp is detachably installed on the strip inserting power assembly, and the strip inserting power assembly can drive the push rod. The strip inserting power assembly is fixedly installed on the lower mold assembly. The lower mold assembly is provided with a lower mold cavity. The lower mold cavity is communicated with the profiling cavity. The soft sealing strip is installed in the strip inserting clamp provided with the profiling cavity. The soft sealing strip is maintained in the folded state through the profiling cavity. Then the strip inserting clamp is installed on the strip inserting power assembly. The strip inserting power assembly drives the push rod to make the soft sealing strip be pushed out of the profiling cavity and into the lower mold cavity. The sealing strip is introduced into the mold cavity through the lower mold cavity, and the automatic insertion of the soft sealing strip is realized.

[0005] Further, the strip inserting clamp further comprises a profiling base, a profiling upper cover plate and a locking block. One side of the profiling upper cover plate is rotatably connected with the profiling base, and the other side is provided with the locking block. A group of trapezoidal guide strips are arranged on the lower part of the profiling base. The profiling upper cover plate and the profiling base can be opened and closed.

[0006] Further, the front end upper portion of the locking block is provided with a locking inclined surface, and the bottom surface of the rear end of the locking block is provided with an opening inclined surface.

[0007] Further, the insert power assembly comprises a mounting plate, a locking plate and a driving assembly, the mounting plate is mounted on the lower die assembly, the locking plate is mounted on the side of the mounting plate, and the driving assembly is arranged on the lower side of the mounting plate.

[0008] Further, the upper surface of the mounting plate is provided with a trapezoidal guide limiting groove matched with the profiling base, the locking plate is provided with a locking groove matched with the locking block, the mounting plate is further provided with an inductor at the locking groove, the front end of the mounting plate is provided with a sliding groove, and the bottom surface of the mounting plate is provided with a straight line sliding rail. The profiling base is guided and mounted through the trapezoidal guide limiting groove on the upper surface of the mounting plate, the locking groove and the locking block are matched to realize the positioning between the insert clamp and the mounting plate, and the inductor mounted at the locking groove can identify whether the locking block is matched with the locking groove, so that the driving assembly is started.

[0009] Further, the locking groove comprises a locking barb and an inverse top inclined surface, the locking barb is located at the front end of the locking groove, the bottom surface of the locking barb is an inclined surface, and the inverse top inclined surface is located at the rear end of the locking groove. When the insert clamp is pushed into the mounting plate, the locking inclined surface on the locking block is matched with the bottom surface of the locking barb, the locking block is slid into the locking groove to complete the locking, when the insert is completed and the insert clamp needs to be removed, the opening inclined surface of the locking block is matched with the inverse top inclined surface when the insert clamp is pushed backward, the profiling upper cover plate is opened, at this time, the profiling cavity is opened, so that the product is prevented from being broken at the die joint due to the movement of the soft sealing strip together with the clamping force of the profiling cavity, thereby affecting the yield.

[0010] Further, the driving assembly comprises a servo motor, an electric cylinder and a pneumatic cylinder, the servo motor is connected with the electric cylinder arranged along the length direction of the mounting plate, the pneumatic cylinder is connected with the straight line sliding rail through a sliding block, the output end of the electric cylinder is connected with the pneumatic cylinder, a top block is mounted on the piston rod of the pneumatic cylinder, the top block is located at the front end of the push rod, a reinforcing block is arranged on one side of the top block, and the reinforcing block is arranged on the pneumatic cylinder. When the pneumatic cylinder is started, the top block is driven to ascend, then the servo motor drives the electric cylinder to retract, at the same time, the electric cylinder drives the pneumatic cylinder to move on the straight line guide rail, so as to push the push rod to push out the soft sealing strip.

[0011] Further, the insert clamp is further provided with a mounting groove, a carrying support can be mounted on the mounting groove, and the carrying support is connected with a robot carrying clamp.

[0012] The above technical scheme can achieve the following beneficial effects:

[0013] 1. This utility model provides a device for automatically inserting a flexible sealing strip into a mold cavity using a clamp. Its structure is simple. In use, the flexible sealing strip is placed into a clamp with a contoured cavity. A robotic arm then mounts the clamp onto a power assembly, which pushes the flexible sealing strip into the lower mold cavity, and then into the receiving mold cavity. Compared to manual operation, this device offers advantages such as high efficiency, convenience, and a high degree of automation.

[0014] 2. The locking block in this utility model is provided with a locking inclined surface and an opening inclined surface, and the locking groove is provided with a locking barb and a counter-pressure inclined surface. The locking inclined surface and the locking barb cooperate to allow the locking block to cooperate smoothly with the locking groove. The opening inclined surface and the counter-pressure inclined surface cooperate to push open the contoured upper cover plate when the insert clamp is withdrawn, and open the contoured cavity, thereby preventing the product from breaking at the mold joint due to the clamping force of the contoured cavity causing the soft sealing strip to move together, which would affect the yield. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a clamp-driven flexible strip automatic insertion device into a mold cavity according to the present invention;

[0016] Figure 2 This is a side view of a device for automatically inserting a clamping soft strip into a mold cavity, as described in this utility model.

[0017] Figure 3 This is a front view of a device for automatically inserting a clamping soft strip into a mold cavity, as described in this utility model.

[0018] Figure 4 This is a partial enlarged view of the locking block and locking groove in this utility model;

[0019] Figure 5 This is a schematic diagram of the insert clamp structure in this utility model;

[0020] Figure 6 This is a schematic diagram of the open state of the contoured upper cover plate of the insert clamp in this utility model.

[0021] Figure 7 Cross-sectional view of the upper cover plate in the open state when the insert clamp is retracted;

[0022] Figure 8 This is a schematic diagram of the installation of the transport bracket and insert clamp.

[0023] In the diagram: 1-Insertion strip clamp, 11-Forming cavity, 12-Push rod, 13-Forming seat, 14-Forming upper cover plate, 15-Locking block, 151-Locking ramp, 152-Opening ramp, 16-Mounting slot, 2-Insertion strip power assembly, 21-Mounting plate, 211-Trapezoidal guide limit groove, 212-Sensor, 213-Linear guide rail, 22-Locking plate, 221-Locking hook, 222-Reverse top ramp, 231-Servo motor, 232-Electric cylinder, 233-Pneumatic cylinder, 2331-Top block, 2332-Slider, 2333-Reinforcing block, 3-Lower mold assembly, 31-Lower mold cavity. Detailed Implementation

[0024] It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the invention.

[0025] Example 1:

[0026] like Figures 1-7 As shown: A device for automatically inserting a flexible strip into a mold cavity using a clamp, comprising a strip clamp 1, a strip power assembly 2, and a lower mold assembly 3. The strip clamp 1 is provided with a contoured cavity 11 that conforms to the shape of the flexible sealing strip and a push rod 12. The push rod 12 can move within the contoured cavity 11. The strip clamp 1 is detachably mounted on the strip power assembly 2, and the strip power assembly 2 can drive the push rod 12. The strip power assembly 2 is fixedly mounted on the lower mold assembly 3. The lower mold assembly 3 is provided with a lower mold cavity 31, which communicates with the contoured cavity 11.

[0027] In a further optimized design, the insert clamp 1 also includes a contour base 13, a contour upper cover plate 14, and a locking block 15. One side of the contour upper cover plate 14 is rotatably connected to the contour base 13, and the other side is provided with a locking block 15. A set of trapezoidal guide strips are provided at the lower part of the contour base 13.

[0028] In a further optimized design, the upper front end of the locking block 15 is provided with a locking ramp 151, and the bottom rear end of the locking block 15 is provided with an opening ramp 152.

[0029] In a further optimized design, the insert power assembly 2 includes a mounting plate 21, a locking plate 22, and a drive assembly. The mounting plate 21 is mounted on the lower mold assembly 3, the locking plate 22 is mounted on the side of the mounting plate 21, and the drive assembly is located on the lower side of the mounting plate 21.

[0030] In a further optimized design, the mounting plate 21 is provided with a trapezoidal guide limiting groove 211, which cooperates with the contour base 13; the locking plate 22 is provided with a locking groove, which can cooperate with the locking block 15; a sensor 212 is also installed on the mounting plate 21 and the sensor 212 is located at the locking groove; a sliding groove is opened at the front end of the mounting plate 21; and a linear slide rail 213 is provided on the bottom surface of the mounting plate 21.

[0031] In a further optimized design, the locking groove includes a locking barb 221 and a reverse top slope 222. The locking barb 221 is located at the front end of the locking groove, and the bottom surface of the locking barb 221 is a slope. The reverse top slope 222 is located at the rear end of the locking groove.

[0032] In a further optimized scheme, the drive assembly includes a servo motor 231, an electric cylinder 232, and a pneumatic cylinder 233. The servo motor 231 is connected to the electric cylinder 232, which is arranged along the length of the mounting plate 21. The pneumatic cylinder 233 is connected to the linear slide rail 213 via a slider 2332. The output end of the electric cylinder 232 is connected to the pneumatic cylinder 233. A top block 2331 is mounted on the piston rod of the pneumatic cylinder 233. The top block 2331 is located at the front end of the push rod 12. A reinforcing block 2333 is provided on one side of the top block 2331. The reinforcing block 2333 is located on the pneumatic cylinder 233.

[0033] Preferred, such as Figure 8 As shown, the insert clamp 1 is also provided with an installation groove 16, on which a transport bracket can be installed, and the transport bracket is connected to the robot transport clamp.

[0034] Example 2:

[0035] The parts not described in this embodiment are the same as those described in Embodiment 1. In this embodiment, locking plates 22 and time-delay photoelectric switches are provided on both sides of the mounting plate 21. The front end of the insert clamp 1 is inclined, and the front end of the lower mold cavity 31 is also inclined and can cooperate with the inclined surface on the insert clamp 1. A tension spring is provided at the connection between the contoured upper cover plate 13 and the contoured base 14. When the insert clamp 1 is pushed into the mounting plate 21, the time-delay photoelectric switch detects a signal. The inclined surface at the front end of the insert clamp 1 is inserted into the lower mold cavity 31, causing the contoured upper cover plate 13 and the contoured base 14 to press together to prevent the sealing strip from deforming during the push-in process. At this time, the time-delay photoelectric switch sends a signal indicating that it is in place, and the drive component starts to work to push the soft sealing strip in. After insertion, the insert clamp 1 is removed, the insert clamp 1 is separated from the lower mold cavity 31 and the upper cover plate 13 is opened under the action of the tension spring, so as to prevent the product joint from breaking due to the clamping force of the mold cavity causing the soft sealing strip to move together, thus affecting the yield.

[0036] The working principle of the device for automatically inserting a soft strip into a mold cavity by a clamp is as follows:

[0037] First, the push rod 12 is moved to a strip installation reference position, and then the soft sealing strip is placed on the profiling base 14 of the strip insertion clamp 1, and finally the profiling upper cover plate 13 is closed, and the soft sealing strip is maintained in a folded state by the profiling cavity 11.

[0038] The robot first carries the strip insertion clamp 1 with the sealing strip through the installation slot 16 on the installation carrying support, and then drives the strip insertion clamp 1 forward to clamp the locking block 15 into the locking barb 221, at this time, the inclined surface of the locking barb 221 is tightly attached to the locking inclined surface 151, thereby pressing the profiling upper cover plate 13, preventing it from being opened under stress.

[0039] When the inductor 212 senses the locking block 15, the cylinder 233 drives the top block 2331 to rise, and then the servo motor 231 drives the electric cylinder 232 to retract, while the electric cylinder 232 drives the cylinder 233 to move on the sliding groove, and in the moving process, the cylinder 233 drives the raised top block 2331 to push the tail of the push rod 12 to move together, and the push rod 12 pushes the soft sealing strip out of the profiling cavity 11 in the moving process, thereby guiding the sealing strip into the mold cavity through the cooperation of the guide of the lower mold cavity 31.

[0040] After the mold connection is completed, the cylinder 233 drives the top block 2331 to retract, and then the servo motor 231 drives the electric cylinder 232 to extend to move to the standby position, while the robot drives the strip insertion clamp 1 to translate backward in the trapezoidal guide limiting groove 211 until it is separated from the soft sealing strip, and in the moving process, the opening inclined surface 152 on the locking block 15 contacts the reverse top inclined surface 222 on the locking plate 22, which is driven by the reaction force to open the profiling upper cover plate 13, at this time, the profiling cavity 11 is opened, thereby preventing the soft sealing strip from moving together due to the clamping force of the profiling cavity, which causes the product mold connection to break and affects the yield.

[0041] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements can be made without departing from the principle of the utility model, and these improvements should also be regarded as the protection range of the utility model.

Claims

1. A device for automatically inserting a clamping spring strip into a mold cavity, characterized in that: The assembly includes a strip clamp (1), a strip power assembly (2), and a lower mold assembly (3). The strip clamp (1) is provided with a contour cavity (11) that fits the shape of the soft sealing strip and a push rod (12). The push rod (12) can move within the contour cavity (11). The strip clamp (1) is detachably mounted on the strip power assembly (2), and the strip power assembly (2) can drive the push rod (12). The strip power assembly (2) is fixedly mounted on the lower mold assembly (3). The lower mold assembly (3) is provided with a lower mold cavity (31), which communicates with the contour cavity (11).

2. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 1, characterized in that: The insert clamp (1) also includes a contour base (13), a contour upper cover plate (14) and a locking block (15). One side of the contour upper cover plate (14) is rotatably connected to the contour base (13), and the other side is provided with a locking block (15). A set of trapezoidal guide strips are provided at the lower part of the contour base (13).

3. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 2, characterized in that: The upper front end of the locking block (15) is provided with a locking ramp (151), and the bottom rear end of the locking block (15) is provided with an opening ramp (152).

4. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 3, characterized in that: The insert power assembly (2) includes a mounting plate (21), a locking plate (22) and a drive assembly. The mounting plate (21) is mounted on the lower mold assembly (3), the locking plate (22) is mounted on the side of the mounting plate (21), and the drive assembly is located on the lower side of the mounting plate (21).

5. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 4, characterized in that: The mounting plate (21) is provided with a trapezoidal guide limiting groove (211), which cooperates with the contour base (13); the locking plate (22) is provided with a locking groove, which can cooperate with the locking block (15); the mounting plate (21) is also provided with a sensor (212) and the sensor (212) is located at the locking groove; the front end of the mounting plate (21) is provided with a sliding groove; the bottom surface of the mounting plate (21) is provided with a linear slide rail (213).

6. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 5, characterized in that: The locking groove includes a locking barb (221) and a reverse top inclined surface (222). The locking barb (221) is located at the front end of the locking groove, the bottom surface of the locking barb (221) is an inclined surface, and the reverse top inclined surface (222) is located at the rear end of the locking groove.

7. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 6, characterized in that: The drive assembly includes a servo motor (231), an electric cylinder (232), and a pneumatic cylinder (233). The servo motor (231) is connected to the electric cylinder (232) which is arranged along the length of the mounting plate (21). The pneumatic cylinder (233) is connected to the linear slide rail (213) through a slider (2332). The output end of the electric cylinder (232) is connected to the pneumatic cylinder (233). A top block (2331) is installed on the piston rod of the pneumatic cylinder (233). The top block (2331) is located at the front end of the push rod (12). A reinforcing block (2333) is provided on one side of the top block (2331). The reinforcing block (2333) is located on the pneumatic cylinder (233).

8. The device for automatically inserting a clamping soft strip into a mold cavity according to claim 1, characterized in that: The insert clamp (1) is also provided with an installation slot (16), on which a transport bracket can be installed, and the transport bracket is connected to the robot transport chuck.

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