A plastic pipe jaw disc type positioning fixture

Abstract

The utility model discloses a kind of plastic pipe claw disc type positioning clamps, including clamping drive assembly and multiple claw disc clamps, the clamping drive assembly includes drive cylinder, drive rod and connecting shaft, the claw disc clamp includes base, positioning column, ball, the positioning column is detachably connected with base, vertical groove and horizontal groove are equipped in the base, multiple inclined grooves are equipped around vertical groove on the base, clamping assembly is equipped in each inclined groove, the ball is located in vertical groove, the clamping assembly includes claw, slide bar and spring, the middle part of claw is hinged with base, the bottom of claw is hinged with slide bar, the slide bar is slidably connected with inclined groove, the lower end of slide bar is abutted on ball.The utility model has the beneficial effects as follows: multiple plastic tubes can be realized by single driving member to realize multiple-point clamping, reduce production cost, and structure is simple and reliable.

Description

Technical Field

[0001] This utility model relates to the field of plastic pipe processing equipment, specifically a plastic pipe claw disc positioning fixture. Background Technology

[0002] Plastic pipes are a widely used basic material in the construction, agriculture, and industrial sectors. Precise positioning and clamping are typically required during subsequent processing (such as cutting, drilling, welding, and painting) or inspection of plastic pipes.

[0003] When clamping existing plastic pipe fittings, multiple driving components are required to achieve multi-point clamping for each fitting. However, using multiple driving components to drive the clamping action is costly. Therefore, a plastic pipe claw disc positioning fixture is needed. Utility Model Content

[0004] The purpose of this utility model is to provide a plastic tube claw disc positioning fixture that can achieve multi-point clamping of multiple plastic tubes with a single drive component, reduce production costs, and has a simple and reliable structure.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a plastic tube claw disc positioning fixture, comprising a clamping drive assembly and multiple claw disc fixtures. The clamping drive assembly includes a drive cylinder, a drive rod, and a connecting shaft. Each claw disc fixture includes a base, a positioning post, and a ball bearing. The positioning post is detachably connected to the base. The base has a vertical groove and a horizontal groove. Multiple inclined grooves are provided around the vertical groove on the base. Each inclined groove contains a clamping assembly. The ball bearing is located within the vertical groove. The clamping assembly includes a jaw, a sliding rod, and a spring. The middle part of the jaw is hinged to the base, and the bottom of the jaw is hinged to the sliding rod. The sliding rod is slidably connected to the inclined groove, and the lower end of the sliding rod abuts against the ball bearing.

[0006] Furthermore, the piston rod of the drive cylinder is fixedly connected to the end of one of the drive rods, the drive rods are arranged in a one-to-one correspondence with the base, the drive rods are slidably connected to the transverse groove, the connecting shaft is located between two adjacent drive rods, and the connecting shaft is fixedly connected to the drive rod.

[0007] Furthermore, the drive rod has a J-shaped groove, which corresponds to the ball bearing. Both ends of the connecting shaft have rectangular protrusions, and both ends of the drive rod have rectangular grooves. The connecting shaft is fixedly connected to the drive rod by a screw.

[0008] Furthermore, a limiting rod is fixedly connected to the base within the horizontal groove, and a straight groove is opened on the drive rod, with the limiting rod located within the straight groove.

[0009] Furthermore, the plurality of inclined grooves are arranged in a circular array along the vertical groove, and both the horizontal groove and the inclined groove are connected to the vertical groove, and the diameter of the lower end of the slide rod is larger than the diameter of the upper end.

[0010] Furthermore, the end of the gripper is provided with a J-shaped protrusion, and a silicone sheet is fixedly connected to the J-shaped protrusion.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: it can realize multi-point clamping of multiple plastic tubes with a single driving component, reduce production costs, and has a simple and reliable structure. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the plastic tube positioning of this utility model.

[0013] Figure 2 This is a schematic diagram of the internal structure of the base of this utility model.

[0014] Figure 3 This is a cross-sectional view of the base of this utility model.

[0015] In the diagram: 1. Drive cylinder; 2. Drive rod; 201. J-shaped groove; 3. Connecting shaft; 401. Base; 4011. Vertical groove; 4012. Horizontal groove; 4013. Inclined groove; 402. Positioning pin; 403. Ball bearing; 404. Gripper; 405. Slide rod; 406. Spring; 5. Limiting rod. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example:

[0018] Please see Figure 1-3A plastic tube claw-type positioning fixture includes a clamping drive assembly and multiple claw-plate clamps. The clamping drive assembly includes a drive cylinder 1, a drive rod 2, and a connecting shaft 3. The claw-plate clamps include a base 401, a positioning post 402, and a ball bearing 403. The positioning post 402 is detachably connected to the base 401. The base 401 has a vertical groove 4011 and a horizontal groove 4012. Multiple inclined grooves 4013 are provided around the vertical groove 4011 on the base 401. Each inclined groove 4013 is provided with a clamping assembly. The ball bearing 403 is located in the vertical groove 4011. The clamping assembly includes a jaw 404, a slide rod 405, and a spring 406. The middle part of the jaw 404 is hinged to the base 401, and the bottom of the jaw 404 is hinged to the slide rod 405. The slide rod 405 is slidably connected to the inclined groove 4013, and the lower end of the slide rod 405 abuts against the ball bearing 403.

[0019] The piston rod of the drive cylinder 1 is fixedly connected to the end of one of the drive rods 2. The extension and retraction of the piston rod of the drive cylinder 1 will drive the drive rod 2 to perform translational movement. The transverse groove 4012 can guide the sliding of the drive rod 2. The connecting shaft 3 is used to fix adjacent drive rods 2 to realize the synchronous movement of multiple drive rods 2.

[0020] A J-shaped groove 201 is provided on the drive rod 2, and the J-shaped groove 201 is correspondingly set with the ball 403. By the translation of the drive rod 2, under the action of the spring 406, the slide rod 405 will abut against the ball and make it rise and fall along the J-shaped groove. When the slide rod 405 slides, the clamp 404 will press the annular part protruding at the lower end of the plastic tube. Rectangular protrusions are provided at both ends of the connecting shaft 3, and rectangular grooves are provided at both ends of the drive rod 2. The connecting shaft 3 is fixedly connected to the drive rod 2 by a screw.

[0021] A limiting rod 5 is fixedly connected to the base 401 within the transverse groove 4012. A straight groove is opened on the drive rod 2. By setting the limiting rod 5, the drive rod 2 can be prevented from deflecting during the sliding process.

[0022] A J-shaped protrusion is provided at the end of the gripper 404, and a silicone sheet is fixedly connected to the J-shaped protrusion. The silicone sheet can prevent surface damage to the plastic tube during the clamping action.

[0023] The working principle of this utility model is as follows: When the plastic tube is placed, the piston rod of the drive cylinder 1 is in the retracted state, the ball bearing 403 is at the lowest point of the J-shaped groove 201, and the gripper 404 is in the loosened state. Then, the plastic tube is placed along the positioning post 402. After that, the piston rod of the drive cylinder 1 extends, and the drive rod 2 slides horizontally. At this time, the ball bearing 403 moves upward along the J-shaped groove 201, rolling from the lowest point of the J-shaped groove 201 to the highest point of the J-shaped groove 201. During this process, the slide rod 405 moves upward along the inclined groove 4013, and the gripper 404 presses the plastic tube tightly onto the base 401 to achieve clamping.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A plastic tube claw disc type positioning clamp, characterized in that: The device includes a clamping drive assembly and multiple claw disc clamps. The clamping drive assembly includes a drive cylinder (1), a drive rod (2), and a connecting shaft (3). The claw disc clamps include a base (401), a positioning post (402), and ball bearings (403). The positioning post (402) is detachably connected to the base (401). The base (401) has a vertical groove (4011) and a horizontal groove (4012). The base (401) has multiple inclined grooves (4013) surrounding the vertical groove (4011). Each of the inclined grooves (4013) is provided with a clamping assembly. The ball (403) is located in the vertical groove (4011). The clamping assembly includes a jaw (404), a slide bar (405) and a spring (406). The middle part of the jaw (404) is hinged to the base (401), and the bottom of the jaw (404) is hinged to the slide bar (405). The slide bar (405) is slidably connected to the inclined groove (4013), and the lower end of the slide bar (405) abuts against the ball (403).

2. The plastic tube claw disc positioning fixture according to claim 1, characterized in that: The piston rod of the drive cylinder (1) is fixedly connected to the end of one of the drive rods (2). The drive rods (2) are arranged in a one-to-one correspondence with the base (401). The drive rods (2) are slidably connected to the transverse groove (4012). The connecting shaft (3) is located between two adjacent drive rods (2). The connecting shaft (3) is fixedly connected to the drive rods (2).

3. The plastic tube claw disc positioning fixture according to claim 2, characterized in that: The drive rod (2) has a J-shaped groove (201) and the ball (403) are correspondingly arranged. Both ends of the connecting shaft (3) are provided with rectangular protrusions. Both ends of the drive rod (2) are provided with rectangular grooves. The connecting shaft (3) is fixedly connected to the drive rod (2) by a screw.

4. The plastic tube claw disc positioning fixture according to claim 3, characterized in that: A limiting rod (5) is fixedly connected to the base (401) in the transverse groove (4012). A straight groove is opened on the drive rod (2), and the limiting rod (5) is located in the straight groove.

5. The plastic tube claw disc positioning fixture according to claim 1, characterized in that: Multiple inclined grooves (4013) are arranged in a ring array along the vertical groove (4011). The horizontal groove (4012) and inclined grooves (4013) are both connected to the vertical groove (4011). The lower diameter of the slide rod (405) is larger than the upper diameter.

6. The plastic tube claw disc positioning fixture according to claim 1, characterized in that: The end of the gripper (404) is provided with a J-shaped protrusion, and a silicone sheet is fixedly connected to the J-shaped protrusion.

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