Clamping jaw device for drawing forming of dove-tail rib

Abstract

The utility model relates to a clamping jaw device for drawing and forming a dove tail rib, which comprises two guide rods, a sliding seat is arranged on the two guide rods in a sliding manner, a sliding cavity is arranged at the front end of the sliding seat, two side walls in the sliding cavity are inclined planes, so that the width of the sliding cavity is gradually reduced from inside to outside, two clamping blocks are symmetrically arranged in the sliding cavity, and two sides in the sliding cavity are respectively provided with a guide groove. The guide grooves are parallel to the inclined face, and the two clamping blocks slide along the corresponding guide grooves respectively. The rear end of the sliding cavity is provided with holes corresponding to the two clamping blocks respectively, the holes are communicated with the sliding cavity, the holes penetrate through the sliding seat upwards, a rotating shaft is arranged at the top of the sliding seat corresponding to the two holes, push rods extending into the two holes respectively are arranged at the bottom of the rotating shaft, and a shifting rod extending upwards is arranged in the middle of the rotating shaft. The top of the sliding seat is provided with a driving mechanism used for pushing the shifting rod backwards, and the sliding seat is further provided with a reset mechanism used for resetting the clamping block backwards. The utility model is easier to unfold or fold, has lower failure rate in use, and indirectly improves the production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of pigeon tail tendon processing technology, specifically a gripper device for drawing and forming pigeon tail tendons. Background Technology

[0002] Pigeon tail braces are a component of large motors, primarily serving a positioning and reinforcing function. The cross-sectional shape of the pigeon tail brace varies depending on the motor design. To ensure the strength of the pigeon tail brace, it is typically processed using a drawing process. This involves clamping one end of the pigeon tail brace with grippers and then using a hydraulic cylinder to pull the pigeon tail brace along its length through a die. The shape of the die hole corresponds to the cross-sectional shape of the pigeon tail brace. Existing drawing processes suffer from the following problems: the gripper blocks of the gripper device are difficult to open and close, leading to frequent malfunctions and a high maintenance rate, which directly impacts normal production. Summary of the Invention

[0003] The purpose of this invention is to solve the problems existing in the prior art and to provide a gripper device for drawing and forming pigeon tail tendons.

[0004] The specific solution of this utility model is as follows: a gripper device for drawing and forming pigeon tail tendons includes two guide rods, a slide block slidably mounted on the two guide rods, a sliding cavity at the front end of the slide block with an opening, and the inner side walls of the sliding cavity being inclined so that the width of the sliding cavity gradually decreases from the inside to the outside. Two clamping blocks are symmetrically mounted in the sliding cavity, and a guide groove is provided on each side of the sliding cavity. The guide groove is parallel to the inclined surface, and the two clamping blocks slide along the corresponding guide grooves respectively. A hole is provided at the rear end of the sliding cavity corresponding to each of the two clamping blocks. The hole communicates with the sliding cavity and extends upward through the slide block. A rotating shaft is provided at the top of the slide block corresponding to the two holes. A push rod extending into the two holes is provided at the bottom of the rotating shaft, and a lever extending upward is provided in the middle of the rotating shaft. A drive mechanism for pushing the lever backward is provided at the top of the slide block, and a reset mechanism for resetting the clamping blocks backward is also provided on the slide block.

[0005] Furthermore, the drive mechanism includes two supports respectively disposed at the front and rear ends of the slide, with a push rod installed between the two supports. The push rod is slidably connected to the supports, and a waist-shaped hole is provided in the middle of the push rod. The lever is inserted into the waist-shaped hole, and the front end of the push rod extends forward and is provided with a pressure head. A compression spring is installed between the pressure head and the front support.

[0006] Furthermore, the front end of the guide rod is connected to a fixed bracket, the fixed bracket is provided with a mounting hole for mounting the mold, and an impact part corresponding to the pressure head is provided above the mounting hole.

[0007] Furthermore, the reset mechanism includes guide holes, guide pins, and fixing pins. There are two guide holes parallel to the guide groove, and a guide pin is provided in each of the two guide holes. The guide pins extend upward through the slide. There are two fixing pins located on the rearward extension line of the guide holes, and a tension spring is installed between the fixing pin and the corresponding guide pin.

[0008] Furthermore, the lever and the push rod are provided with an included angle of 120°-160°.

[0009] The present invention has the following beneficial effects: the clamping block of the present invention is easier to open or close, has a lower failure rate during use, avoids affecting normal production, and indirectly improves production efficiency. Attached Figure Description

[0010] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0011] Figure 2 yes Figure 1 The main view;

[0012] Figure 3 yes Figure 2 Top view;

[0013] Figure 4 yes Figure 3 AA view;

[0014] Figure 5 yes Figure 2 BB view;

[0015] Figure 6 yes Figure 2 CC view;

[0016] Figure 7 yes Figure 2 DD view;

[0017] In the diagram: 1. Guide rod; 2. Slide; 3. Support; 4. Top rod; 5. Toggle rod; 6. Guide hole; 7. Guide pin; 8. Tension spring; 9. Fixing pin; 10. Rotating shaft; 11. Push rod; 12. Hole; 13. Clamping block; 14. Sliding cavity; 15. Fixed bracket; 16. Mounting hole; 17. Guide groove. Detailed Implementation

[0018] See Figure 1-7This embodiment describes a gripper device for drawing and forming pigeon tail tendons. It includes two guide rods 1, with slide blocks 2 slidably mounted on the guide rods 1. Each slide block 2 has a sliding cavity 14 at its front end, with an opening. The inner side walls of the sliding cavity 14 are sloped, causing the width of the sliding cavity 14 to gradually decrease from the inside to the outside. Two clamping blocks 13 are symmetrically mounted inside the sliding cavity 14. Each side of the sliding cavity 14 has a guide groove 17 parallel to the slope. The two clamping blocks 13 slide along their respective guide grooves 17. The sliding cavity 14 has a hole 12 at its rear end corresponding to each of the two clamping blocks 13. The hole 12 communicates with the sliding cavity 14 and passes through the slide block 2 upwards. The top of the slide block 2 is provided with a rotating shaft 10 corresponding to the two holes 12. The bottom of the rotating shaft 10 is provided with push rods 11 extending into the two holes 12 respectively. The middle of the rotating shaft 10 is provided with an upwardly extending lever 5. The top of the slide block 2 is provided with a driving mechanism for pushing the lever 5 backwards. The slide block 2 is also equipped with a reset mechanism for resetting the clamping blocks 13 backwards.

[0019] Furthermore, the drive mechanism includes two supports 3 respectively disposed at the front end and rear end of the slide block 2, and a push rod 4 is installed between the two supports 3. The push rod 4 is slidably connected to the supports 3. A waist-shaped hole 12 is provided in the middle of the push rod 4. The lever 5 is inserted into the waist-shaped hole 12. The front end of the push rod 4 extends forward and is provided with a pressure head. A compression spring is installed between the pressure head and the front support 3.

[0020] Furthermore, the front end of the guide rod 1 is connected to a fixed bracket 15, and the fixed bracket 15 is provided with a mounting hole 16 for mounting the mold. Above the mounting hole 16 is an impact part corresponding to the pressure head.

[0021] Furthermore, the reset mechanism includes a guide hole 6, a guide pin 7, and a fixing pin 9. There are two guide holes 6, which are parallel to the guide groove 17. A guide pin 7 is provided in each of the two guide holes 6. The guide pin 7 extends upward through the slide block 2. There are two fixing pins 9, which are located on the extension line of the guide hole 6. A tension spring 8 is installed between the fixing pin 9 and the corresponding guide pin 7.

[0022] Furthermore, the lever 5 and the push rod 11 are provided with an included angle of 120°-160°; the weight of the push rod 11 is much greater than the weight of the lever 5, so that the push rod 11 is in a natural hanging state when it is not subjected to external force. When the push rod 11 is in a vertical state, the lever 5 tilts forward and is close to the front end of the waist-shaped hole.

[0023] The working principle of this utility model is as follows: One end of the pigeon tail tendon to be processed is located at the mold hole 12 of the mold. The end of the pigeon tail tendon passes through the mold hole 12. The hydraulic cylinder pushes the slide block 2 to move towards the mold. When the slide block 2 moves to the mold, the pressure head on the push rod 4 first contacts the impact part of the fixed bracket 15. The push rod 4 is blocked and the slide block 2 continues to move forward. The push rod 4 slides backward, which pushes the lever 5 to rotate backward. The lever 5 drives the rotating shaft 10, which in turn drives the two push rods 11 below to rotate forward. The bottom ends of the two push rods 11 push the two clamping blocks 13 to move forward. The two clamping blocks 13 extend forward along the guide groove 17 and move towards the middle, thereby clamping the end of the pigeon tail tendon. At this time, the hydraulic cylinder... Then, the slide block 2 retracts backward. Due to the resistance of the mold, the workpiece exerts a forward pulling force on the clamping block 13, while the slide block 2 exerts a backward pulling force on the clamping block 13. Since the stroke of the clamping block 13 is an inclined plane, the clamping block 13 distributes a portion of the biting force on the workpiece, forming a self-locking phenomenon where the greater the pulling force, the tighter the biting. When the workpiece has completely passed through the mold hole 12 of the mold, the resistance of the mold to the workpiece disappears, and at the same time, the pulling force of the workpiece on the clamping block 13 also disappears. At this time, the two clamping blocks 13 move backward under the action of the spring 8. As the two clamping blocks 13 move backward, they open to both sides, thus completely releasing the workpiece. At the same time, the push rod 4 rebounds forward and resets under the action of the compression spring, and the push rod 11 and the lever 5 also reset accordingly.

[0024] As can be seen from the above working process, this utility model is easy to operate, has a low failure rate, avoids frequent maintenance, and improves production efficiency in actual use.

Claims

1. A gripper device for drawing and forming pigeon tail tendons, characterized in that: The device includes two guide rods, with a sliding block slidably mounted on each guide rod. The front end of the sliding block has a sliding cavity with an opening. The inner side walls of the sliding cavity are sloped, causing the width of the cavity to gradually decrease from the inside to the outside. Two clamping blocks are symmetrically mounted inside the sliding cavity. Each side of the sliding cavity has a guide groove parallel to the slope. The two clamping blocks slide along their respective guide grooves. The rear end of the sliding cavity has a hole corresponding to each of the two clamping blocks, communicating with the sliding cavity and extending upwards through the sliding block. A rotating shaft is located at the top of the sliding block corresponding to the two holes. The bottom of the rotating shaft has push rods extending into the two holes, and the middle of the rotating shaft has an upward-extending lever. The top of the sliding block has a drive mechanism for pushing the lever backwards, and the sliding block also has a reset mechanism for resetting the clamping blocks backwards.

2. The gripper device for pigeon tail tendon drawing and forming according to claim 1, characterized in that: The drive mechanism includes two supports respectively located at the front and rear ends of the slide block. A push rod is installed between the two supports and is slidably connected to the supports. The push rod has an oblong hole in the middle and the lever is inserted into the oblong hole. The front end of the push rod extends forward and has a pressure head. A compression spring is installed between the pressure head and the front support.

3. The gripper device for pigeon tail tendon drawing and forming according to claim 2, characterized in that: The front end of the guide rod is connected to a fixed bracket, which has a mounting hole for mounting the mold. Above the mounting hole is an impact part corresponding to the pressure head.

4. The gripper device for pigeon tail tendon drawing and forming according to claim 1, characterized in that: The reset mechanism includes guide holes, guide pins, and fixing pins. There are two guide holes parallel to the guide groove. Each of the two guide holes contains a guide pin that extends upward through the slide. There are two fixing pins located on the rearward extension line of the guide holes. A tension spring is installed between the fixing pin and the corresponding guide pin.

5. The gripper device for pigeon tail tendon drawing and forming according to claim 1, characterized in that: The lever and the push rod are at an angle of 120°-160°.

Images