Plastic part positioning device

Abstract

The utility model relates to the technical field of plastic part production, and discloses a plastic part positioning device which comprises an installation frame, a rotating air cylinder is fixedly installed in the center of the top of the installation frame, and two positioning assemblies are symmetrically installed on the top of the installation frame. According to the positioning device, the defects in the prior art are overcome, the positioning assembly and the conveying belt are matched together, when a disc-shaped plastic part is machined, the plastic part does not need to be conveyed to a special positioning device through the conveying belt, clamping and positioning operation can be completed on the conveying belt, relevant machining equipment directly conducts machining on the plastic part, and machining efficiency is improved. The whole operation process is coherent and high in integration degree, the working efficiency is greatly improved, and in addition, in the process that the plastic parts are conveyed by the conveying belt, even if the plastic parts are not placed right and deviate to a certain degree, the positioning assembly can also guide the plastic parts and can also clamp and position the plastic parts.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic part production, more particularly to a plastic part positioning device. BACKGROUND

[0002] Plastic parts are household, industrial and other products collectively processed by using plastic as the main raw material, including all products of injection molding, blister molding and other processes using plastic as the raw material, and plastic is a kind of synthetic high polymer material with plasticity.

[0003] The prior art has the following disadvantages: in the disc-shaped plastic part production line, the relevant processing equipment usually needs to use a conveyor belt to transport the plastic parts to a special positioning device, the positioning device fixes the plastic parts, and then the processing equipment processes the plastic parts, the whole process is not coherent, the integration degree is still insufficient, which affects the work efficiency, and after the plastic parts are offset due to errors, the positioning device cannot position the plastic parts, thereby causing great inconvenience to the workers. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a plastic part positioning device to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: a plastic part positioning device, comprising a mounting frame, a rotary air cylinder is fixedly installed at the center of the top of the mounting frame, a positioning assembly is installed at the top of the mounting frame, the positioning assembly is symmetrically provided with two, an extension frame is fixedly connected to each of the left and right sides of the mounting frame, an infrared sensor is fixedly installed at the top of the extension frame, and a control module is also fixedly installed at the top of the mounting frame.

[0006] The positioning assembly comprises a moving block and a rotating shaft, a first connecting rod is installed between the moving block and the output end of the rotary air cylinder, a second connecting rod and a third connecting rod are installed between the moving block and the rotating shaft, and a rotating rod is fixedly connected to the top end of the rotating shaft.

[0007] Preferably, the output end of the rotary air cylinder is fixedly connected with a fixed shaft, the fixed shaft is provided with two, the two fixed shafts are distributed at an angle of one hundred and eighty degrees, the first connecting rod is rotatably connected between one end and the fixed shaft, and the other end of the first connecting rod is hingedly connected to the top of the moving block.

[0008] Preferably, a receiving block is fixedly connected to each of the two sides of the moving block, each positioning assembly comprises two rotating shafts, the bottom end of the rotating shaft is rotatably connected to the top of the extension frame, the second connecting rod is hingedly connected between one end and the receiving block, the other end of the second connecting rod is hingedly connected to one end of the third connecting rod, and the other end of the third connecting rod is fixedly connected to the surface of the rotating shaft.

[0009] Preferably, one end of the rotating rod is fixedly connected with the top end of the rotating shaft, and the other end of the rotating rod is rotatably connected with the positioning wheel.

[0010] Preferably, a group of guide rods are fixedly connected with the top of the mounting frame, and the moving block is sleeved on the surface of the guide rods.

[0011] Preferably, the output end of the infrared sensor is electrically connected with the input end of the control module, and the output end of the control module is electrically connected with the signal input end of the rotary cylinder.

[0012] The technical effects and advantages of the present application are as follows:

[0013] The present application solves the problems of the prior art. The positioning assembly is matched with the conveying belt. When the disc-shaped plastic part is processed, the plastic part does not need to be conveyed to a special positioning device through the conveying belt, but can be clamped and positioned on the conveying belt. The related processing equipment can directly process the plastic part. The whole operation process is coherent and has high integration degree, greatly improving the work efficiency. In addition, during the conveying process of the conveying belt, even if the position of the plastic part is not aligned and has a certain deviation, the positioning assembly can guide the plastic part and clamp and position it, increasing the applicability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0015] Figure 2 It is a schematic diagram of the rotary cylinder and the positioning assembly structure of the present application.

[0016] Figure 3 It is a control diagram of the rotary cylinder of the present application.

[0017] Figure 4 It is a cooperation diagram of the present application and the conveying belt.

[0018] The reference signs are as follows: 1, mounting frame; 11, extension frame; 12, guide rod; 2, rotary cylinder; 21, fixed shaft; 3, positioning assembly; 31, moving block; 311, receiving block; 32, first connecting rod; 33, second connecting rod; 34, rotating shaft; 35, third connecting rod; 36, rotating rod; 37, positioning wheel; 4, infrared sensor; 5, control module. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and additionally, the forms of each structure recorded in the following implementation manners are only examples, and the plastic part positioning device involved in the utility model is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative efforts belong to the protection range of the utility model.

[0020] The utility model provides a kind of plastic part positioning device, including mounting frame 1, rotating cylinder 2 is fixedly installed in the top center of mounting frame 1, mounting frame 1 top is installed with positioning assembly 3, positioning assembly 3 is symmetrically provided with two, mounting frame 1 left and right sides each fixedly connected with one extension frame 11, infrared sensor 4 is fixedly installed on the top of extension frame 11, control module 5 is also fixedly installed on the top of mounting frame 1.

[0021] Positioning assembly 3 includes moving block 31 and rotating shaft 34, first connecting rod 32 is installed between moving block 31 and the output end of rotating cylinder 2, second connecting rod 33 and third connecting rod 35 are installed between moving block 31 and rotating shaft 34, rotating shaft 34 top end is fixedly connected with rotating rod 36.

[0022] Further, the output end of rotating cylinder 2 is fixedly connected with fixed shaft 21, the fixed shaft 21 is provided with two, the two fixed shafts 21 are distributed with one hundred and eighty degrees angle, the one end of first connecting rod 32 is rotatably connected with the fixed shaft 21, the other end of first connecting rod 32 is hingedly connected with the top of moving block 31, each positioning assembly 3 includes two rotating shafts 34, the bottom end of rotating shaft 34 is rotatably connected with the top of extension frame 11, the one end of second connecting rod 33 is hingedly connected with receiving block 311, the other end of second connecting rod 33 is hingedly connected with one end of third connecting rod 35, the other end of third connecting rod 35 is fixedly connected with the surface of rotating shaft 34, one end of rotating rod 36 is fixedly connected with the top end of rotating shaft 34, the other end of rotating rod 36 is rotatably connected with positioning wheel 37, positioning wheel 37 is directly contacted with disc-shaped plastic part, positioning wheel 37 is used to guide disc-shaped plastic part and clamp it, the stability and strength of the overall structure operation are guaranteed by the cooperation of first connecting rod 32, second connecting rod 33 and third connecting rod 35.

[0023] Further, a group of guide rods 12 is fixedly connected on the top of mounting frame 1, moving block 31 is sleeved on the surface of guide rod 12, moving block 31 and guide rod 12 constitute sliding guide cooperation along the axis direction of guide rod 12, two moving blocks 31 can move along guide rod 12 towards each other or away from each other.

[0024] Further, the output end of the infrared sensor 4 is electrically connected with the input end of the control module 5, and the output end of the control module 5 is electrically connected with the signal input end of the rotary air cylinder 2; the infrared sensor 4 is used for sensing the object on the conveying belt and sending the electric signal to the control module 5, and the control module 5 is used for receiving the electric signal and sending the corresponding instruction to the rotary air cylinder 2.

[0025] The working principle of the utility model is: in actual work, the conveying belt conveys the disc-shaped plastic part, when the infrared sensor 4 senses the disc-shaped plastic part, the infrared sensor 4 transmits the information to the control module 5 in the form of electric signal, the control module 5 analyzes the electric signal and sends the instruction to the rotary air cylinder 2, the output end of the rotary air cylinder 2 drives the fixed shaft 21 to rotate, the fixed shaft 21 rotates and drives the two moving blocks 31 to move synchronously along the guide rod 12 towards each other through the first connecting rod 32, the moving block 31 moves and drives the third connecting rod 35 to rotate synchronously around the axis of the rotating shaft 34 through the second connecting rod 33, the rotating shaft 34 also rotates synchronously around its own axis, the rotating shaft 34 rotates and drives the rotating rod 36 and the positioning wheel 37 to rotate synchronously around the axis of the rotating shaft 34 as a whole, the positioning wheel 37 gradually contacts with the disc-shaped plastic part, the four positioning wheels 37 clamp and position the disc-shaped plastic part, at this time, the relevant processing equipment processes the disc-shaped plastic part, after the processing is completed, the output end of the rotary air cylinder 2 reversely rotates, similarly, the two moving blocks 31 move along the guide rod 12 away from each other, the four rotating rods 36 and the positioning wheels 37 reversely rotate around the axis of the rotating shaft 34 and release the clamping and positioning of the disc-shaped plastic part, the conveying belt continues to convey the disc-shaped plastic part to the subsequent equipment.

[0026] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0027] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0028] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for positioning a plastic part, comprising a mounting frame (1), characterized in that, The mounting frame (1) top center is fixedly installed with a rotary air cylinder (2), the mounting frame (1) top is installed with a positioning assembly (3), the positioning assembly (3) is provided with two symmetrically, the mounting frame (1) left and right sides are each fixedly connected with an extension frame (11), the extension frame (11) top is fixedly installed with an infrared sensor (4), the mounting frame (1) top is also fixedly installed with a control module (5); The positioning assembly (3) includes a moving block (31) and a rotating shaft (34), a first connecting rod (32) is installed between the moving block (31) and the output end of the rotary air cylinder (2), a second connecting rod (33) and a third connecting rod (35) are installed between the moving block (31) and the rotating shaft (34), and a rotating rod (36) is fixedly connected to the top end of the rotating shaft (34).

2. A plastic part positioning device according to claim 1, wherein, The output end of the rotary air cylinder (2) is fixedly connected with a fixed shaft (21), the fixed shaft (21) is provided with two, the two fixed shafts (21) are distributed at an angle of one hundred and eighty degrees, the first connecting rod (32) is rotatably connected between one end and the fixed shaft (21), and the other end of the first connecting rod (32) is hingedly connected to the top of the moving block (31).

3. A plastic part positioning device as defined in claim 1, wherein, The moving block (31) is fixedly connected with a receiving block (311) on both sides, each positioning assembly (3) includes two rotating shafts (34), the rotating shaft (34) is rotatably connected to the top of the extension frame (11), the second connecting rod (33) is hingedly connected between one end and the receiving block (311), the other end of the second connecting rod (33) is hingedly connected to one end of the third connecting rod (35), and the other end of the third connecting rod (35) is fixedly connected to the surface of the rotating shaft (34).

4. A plastic part positioning device as defined in claim 1, wherein, One end of the rotating rod (36) is fixedly connected to the top end of the rotating shaft (34), and the other end of the rotating rod (36) is rotatably connected with a positioning wheel (37).

5. A plastic part positioning device as defined in claim 1, wherein, A group of guide rods (12) are fixedly connected to the top of the mounting frame (1), and the moving block (31) is sleeved on the surface of the guide rod (12).

6. A plastic part positioning device as defined in claim 1, wherein, The output end of the infrared sensor (4) is electrically connected with the input end of the control module (5), and the output end of the control module (5) is electrically connected with the signal input end of the rotary air cylinder (2).

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