Precise cutting tool for plastic parts

Abstract

The utility model discloses an accurate cutting tool for plastic parts, which relates to the technical field of plastic part cutting, and comprises a support plate, one side of the support plate is fixedly connected with a bottom plate, the back of the support plate is fixedly connected with a side plate, the bottom surface of the bottom plate is provided with a rotary gear motor, and the top surface of the bottom plate is rotatably connected with a rotating plate. A plastic part is placed on the rotating plate, and the second servo motor drives the sliding block to move to be matched with the first air cylinder to control the pressing contact to deflect and press downwards. The clamping positions of plastic parts with different specifications are correspondingly adjusted to fix the plastic parts on the rotating plate, so that the cutting force is effectively resisted, the side clamping mechanism is used for carrying out auxiliary clamping on the edges of the plastic parts, the clamping stability of the plastic parts is improved, accurate cutting is achieved in cooperation with the cutting mechanism, and the cutting efficiency is improved. And shaking is not prone to occurring in the cutting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic parts cutting technical field especially relates to a plastic part precision cutting frock. BACKGROUND

[0002] Plastic parts are parts made of plastic materials through injection molding, extrusion, blow molding and other processes, and are widely used in various industries. In the manufacturing process of plastic parts, precision cutting is a key link, which directly affects the quality and performance of the product.

[0003] However, in the prior art, the traditional mechanical cutting frock cannot provide stable clamping for plastic parts with high dimensional accuracy requirements. The plastic parts may produce slight displacement or vibration due to insecure clamping, which may cause positional deviation or rotation of the plastic parts during cutting, resulting in inconsistent size and shape after cutting, affecting cutting accuracy and the surface quality and cutting accuracy of the plastic parts. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art that stable clamping cannot be provided, the plastic parts produce slight displacement or vibration due to insecure clamping, which may cause positional deviation or rotation of the plastic parts during cutting, resulting in inconsistent size and shape after cutting, affecting cutting accuracy and the surface quality and cutting accuracy of the plastic parts, and proposes a plastic part precision cutting frock.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plastic part precision cutting frock, comprising a support plate, one side of the support plate is fixedly connected with a bottom plate, the back surface of the support plate is fixedly connected with a side plate, the bottom surface of the bottom plate is installed with a rotary speed reducer motor, the top surface of the bottom plate is rotationally connected with a rotating plate, the output end of the rotary speed reducer motor is fixedly connected with the bottom surface center of the rotating plate, one side of the rotating plate is provided with a side clamping mechanism, the side clamping mechanism is installed on the top surface of the bottom plate, the upper part of the rotating plate is provided with a pressure contact, the outer wall of the upper part of the support plate is fixedly connected with a linear drive groove plate, the inner wall of the linear drive groove plate is rotationally connected with a lead screw, one end of the linear drive groove plate is installed with a servo motor two, the output shaft end of the servo motor two is fixedly connected with one end of the lead screw, the outer wall of the lead screw is threadedly sleeved with a sliding block, one end of the sliding block is installed with a cylinder one, the telescopic rod of the cylinder one is transmissionally connected with the pressure contact.

[0006] Preferably, the rotary speed reducer motor comprises a servo motor one, a transmission gear set, a worm and a worm wheel, and the output shaft end of the servo motor one is transmissionally connected with one end of the transmission gear set through the worm.

[0007] Preferably, one side of the transmission gear set is transmissionally connected with the worm wheel, and the top end of the worm wheel is fixedly connected with the bottom surface of the rotating plate.

[0008] Preferably, one end of the slider is provided with a movable groove, and the inner wall of the movable groove is rotatably connected with a deflection rod.

[0009] Preferably, the middle part of the deflection rod is movably connected with a traction rod I at one end of a cylinder II telescopic rod, and one end of the deflection rod is fixedly connected with the outer wall of the pressure contact head.

[0010] Preferably, the side clamping mechanism comprises a cylinder II, the outer wall of one end of the cylinder II is provided with a support, and one end of the support is rotatably connected with a rotating rod.

[0011] Preferably, the middle part of the rotating rod is movably connected with a traction connecting rod at one end of a cylinder II telescopic rod, one end of the rotating rod is threadedly connected with a bolt, the outer wall of the bolt is fixedly connected with a pressing rod, and the bottom surface of the pressing rod is fixedly connected with a rubber block.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1. In the utility model, the plastic part is placed on the rotating plate, the servo motor II drives the slider to move, the cylinder I controls the deflection and pressing of the pressure contact head, the plastic part is fixed on the rotating plate according to the corresponding adjustment of the clamping position of the plastic part of different specifications, the cutting force is effectively resisted, the side clamping mechanism is used to assist clamping the edge of the plastic part, the stability of clamping the plastic part is improved, accurate cutting is realized, and shaking during cutting is not easy to occur.

[0014] 2. In the utility model, after cutting is completed at a single position, the clamping of the plastic part is released, the servo motor I drives the transmission gear set to rotate, the worm gear drives the rotating plate to rotate, different cutting positions of the plastic part are quickly adjusted, manual taking and adjusting operation is avoided, and cutting processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the plastic part accurate cutting tool is provided for the utility model;

[0016] Figure 2 A plastic part accurate cutting tool is provided for the utility model Figure 1 A structure enlarged view of A in the utility model;

[0017] Figure 3 A side view structure schematic view of the plastic part accurate cutting tool is provided for the utility model;

[0018] Figure 4 An internal structure schematic view of the rotary speed reducer of the plastic part accurate cutting tool is provided for the utility model.

[0019] Legend: 1. Support plate; 11. Side plate; 2. Base plate; 3. Rotary geared motor; 31. Servo motor one; 32. Transmission gear set; 33. Worm; 34. Worm wheel; 4. Linear drive slot plate; 41. Servo motor two; 42. Lead screw; 43. Slider; 44. Cylinder one; 45. Movable slot; 46. Traction rod one; 47. Deflection rod; 48. Pressure contact; 5. Side clamping mechanism; 51. Cylinder two; 52. Traction link; 53. Rotating rod; 54. Pressure rod; 55. Rubber block; 56. Bolt; 57. Bracket; 6. Rotating plate. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a precision cutting fixture for plastic parts, including a support plate 1, a base plate 2 fixedly connected to one side of the support plate 1, a side plate 11 fixedly connected to the back of the support plate 1, a rotary gear motor 3 installed on the bottom surface of the base plate 2, a rotating plate 6 rotatably connected to the top surface of the base plate 2, the output end of the rotary gear motor 3 fixedly connected to the center of the bottom surface of the rotating plate 6, a side clamping mechanism 5 provided on one side of the rotating plate 6, the side clamping mechanism 5 installed on the top surface of the base plate 2, a pressure contact 48 provided above the rotating plate 6, a linear drive groove plate 4 fixedly connected to the upper outer wall of the support plate 1, a lead screw 42 rotatably connected to the inner wall of the linear drive groove plate 4, a servo motor 41 installed at one end of the linear drive groove plate 4, the output shaft end of the servo motor 41 fixedly connected to one end of the lead screw 42, a slider 43 threadedly sleeved on the outer wall of the lead screw 42, a cylinder 44 installed at one end of the slider 43, and a telescopic rod end of the cylinder 44 being connected to the pressure contact 48.

[0023] The specific settings and functions of this embodiment are described below. By placing the plastic part on the rotating plate 6, the servo motor 41 drives the slider 43 to move, and the cylinder 44 controls the deflection and downward pressure of the pressure contact 48. This allows the clamping position of the plastic part to be adjusted accordingly for different specifications, thus fixing the plastic part on the rotating plate 6 and effectively resisting the cutting force. The side clamping mechanism 5 provides auxiliary clamping for the edge of the plastic part, improving the stability of the clamping of the plastic part. Combined with the cutting mechanism, it achieves precise cutting and is not prone to shaking during the cutting process.

[0024] Example 2: Figure 1 - Figure 4 As shown, the rotary geared motor 3 includes a servo motor 31, a transmission gear set 32, a worm gear 33, and a worm wheel 34. The output shaft end of the servo motor 31 is connected to one end of the transmission gear set 32 ​​via the worm gear 33. One side of the transmission gear set 32 ​​is connected to the worm wheel 34. The top end of the worm wheel 34 is fixedly connected to the bottom surface of the rotating plate 6. A movable groove 45 is provided on the outer wall of one end of the slider 43. A deflection rod 47 is rotatably connected to the inner wall of the movable groove 45. The middle part of the deflection rod 47 is connected to the telescopic rod of the cylinder 44. One end of the traction rod 46 is movably connected to the side clamping mechanism 5. One end of the deflection rod 47 is fixedly connected to the outer wall of the pressure contact 48. The side clamping mechanism 5 includes a cylinder 51. A bracket 57 is installed on the outer wall of one end of the cylinder 51. A rotating rod 53 is rotatably connected to one end of the bracket 57. A traction connecting rod 52 is movably connected to the middle part of the rotating rod 53 and one end of the telescopic rod of the cylinder 51. A bolt 56 is threadedly connected to one end of the rotating rod 53. A pressure rod 54 is fixedly connected to the outer wall of the bolt 56. A rubber block 55 is fixedly connected to the bottom surface of the pressure rod 54.

[0025] The overall effect of this embodiment is that after the cutting of a single part is completed, the clamping of the plastic part is released and the servo motor 31 drives the transmission gear set 32 ​​to rotate, which in turn controls the worm gear 34 to drive the rotating plate 6 to rotate. This facilitates the quick adjustment of different cut parts of the plastic part, avoids manual handling and adjustment, and improves cutting efficiency. Through the coordinated use of cylinder 51, traction rod 52 and rotating rod 53, the lifting and pressing of pressure rod 54 and rubber block 55 are controlled, thereby assisting in clamping the edge of the plastic part on the rotating plate 6. The user can easily adjust the position and angle of rubber block 55 by rotating bolt 56.

[0026] The method for using and working principle of the device: when in use, the user places the plastic part on the rotating plate 6, drives the sliding block 43 to move through the servo motor 41, cooperates the air cylinder 44 to control the deflection and downward pressure of the pressure contact 48, so that the utility model is corresponding to the clamping position of different specifications of plastic parts Adjust the plastic part to be fixed on the rotating plate 6, so as to effectively resist the cutting force, and the side clamping mechanism 5 is used to assist clamping the edge of the plastic part, improve the stability of the utility model for clamping the plastic part, cooperate with the cutting mechanism to realize accurate cutting, after cutting in a single part, loosen the clamping of the plastic part and drive the transmission gear set 32 to rotate through the servo motor 31 Control the worm wheel 34 to drive the rotating plate 6 to rotate, so as to facilitate the rapid adjustment of different cutting parts of the plastic part.

[0027] The above is only the preferred embodiment of the utility model, not the other forms of the utility model, any skilled person in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the utility model to the above embodiments without departing from the technical scheme content of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. A precision cutting fixture for plastic parts, comprising a support plate (1), characterized in that: A base plate (2) is fixedly connected to one side of the support plate (1), and a side plate (11) is fixedly connected to the back of the support plate (1). A rotary gear motor (3) is installed on the bottom surface of the base plate (2), and a rotating plate (6) is rotatably connected to the top surface of the base plate (2). The output end of the rotary gear motor (3) is fixedly connected to the center of the bottom surface of the rotating plate (6). A side clamping mechanism (5) is provided on one side of the rotating plate (6), and the side clamping mechanism (5) is installed on the top surface of the base plate (2). A pressure contact (48) is provided above the rotating plate (6). The upper outer wall of the support plate (1) is fixedly connected to a linear drive groove plate (4), and the inner wall of the linear drive groove plate (4) is rotatably connected to a lead screw (42). A servo motor (41) is installed at one end of the linear drive groove plate (4), and the output shaft end of the servo motor (41) is fixedly connected to one end of the lead screw (42). A slider (43) is threaded onto the outer wall of the lead screw (42), and a cylinder (44) is installed at one end of the slider (43). One end of the telescopic rod of the cylinder (44) is connected to the pressure contact (48) in a transmission connection.

2. The precision cutting fixture for plastic parts according to claim 1, characterized in that: The rotary geared motor (3) includes a servo motor (31), a transmission gear set (32), a worm (33) and a worm wheel (34). The output shaft end of the servo motor (31) is connected to one end of the transmission gear set (32) via the worm (33).

3. The precision cutting fixture for plastic parts according to claim 2, characterized in that: One side of the transmission gear set (32) is connected to the worm gear (34), and the top of the worm gear (34) is fixedly connected to the bottom surface of the rotating plate (6).

4. The precision cutting fixture for plastic parts according to claim 1, characterized in that: The outer wall of one end of the slider (43) is provided with a movable groove (45), and the inner wall of the movable groove (45) is rotatably connected to a deflection rod (47).

5. The precision cutting fixture for plastic parts according to claim 4, characterized in that: The middle part of the deflection rod (47) is movably connected to one end of the telescopic rod of the cylinder (44) and a traction rod (46) is connected to it. One end of the deflection rod (47) is fixedly connected to the outer wall of the pressure contact (48).

6. The precision cutting fixture for plastic parts according to claim 1, characterized in that: The side clamping mechanism (5) includes a second cylinder (51), a bracket (57) is installed on the outer wall of one end of the second cylinder (51), and a rotating rod (53) is rotatably connected to one end of the bracket (57).

7. The precision cutting fixture for plastic parts according to claim 6, characterized in that: The middle part of the rotating rod (53) is movably connected to one end of the telescopic rod of the cylinder (51) by a traction connecting rod (52). One end of the rotating rod (53) is threaded with a bolt (56). A pressure rod (54) is fixedly connected to the outer wall of the bolt (56). A rubber block (55) is fixedly connected to the bottom surface of the pressure rod (54).

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