Deburring equipment for precision parts

Abstract

The utility model discloses deburring equipment for precision parts, and relates to the field of machinery, in particular to the deburring equipment technology for the precision parts, an idle wheel and a cutter block are positioned on a cutter bar at the same time, the elastic strength of a spring B is adjusted through a nut, it is guaranteed that the precision parts cannot be overcut in the cutting process, and the peripheral size and tolerance requirements of the precision parts are met. Through the cutting mode and the cooperative use of the dust collection device and the scrap baffle, dust pollution caused by an existing polishing and deburring technology is prevented, it is guaranteed that cutting scraps are not splashed and discharged in time, the cleanliness requirement of precision parts is met, the error rate and the rejection rate of manual operation are reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field especially relates to precision part deburring equipment technology, specifically is applied to the precision round and near round precision part deburring equipment of size tolerance strict. BACKGROUND

[0002] Plastic products are more and more widely used in production and life, and more plastic products replace metal parts to become the core components in the field of automobile and mechanical equipment, and some injection products will produce some burrs in injection production due to the reasons such as mold structure and injection process, in order to meet the use demand, the burrs of functional surface need to be removed. There are many deficiencies in the removal method of the burrs of the part in the prior art, manual or simple mechanical cutter jig is generally used to realize cutting and polishing to remove the burrs, manual removal of the burrs has larger error, and in the simple mechanical cutter jig, in order to follow the shape and remove the burrs, spring, high-pressure water, grinding brush disc and other mechanisms are often used, the above mechanisms are often difficult to accurately control the cutting depth and product cleanliness, and overcutting phenomenon is easy to appear, thereby affecting the quality and precision of the product. SUMMARY

[0003] The utility model aims at providing a kind of precision part deburring equipment, by the combination use of idler, pressure head subassembly, rotary positioning assembly, floating cutter bar and dust extraction device etc. component, realize accurate cutting and prevent overcutting.

[0004] The utility model provides a kind of precision part deburring equipment, solves the accurate deburring problem of round and near round precision parts.

[0005] The technical scheme of the present application is: a precision part deburring equipment, which comprises a connecting column 1-1, a bearing fixing seat 1-2, a rotating rod 1-3, a resin pad 1-4, a circlip 1-5, an upper bearing 1-6, a precision part 2, a rotating positioning base 3-1, a floating pin 3-2, a spring A 3-3, a stop block 3-4, a jackscrew 3-5, a lower bearing 3-6, an idler 4, a cutter block 5, a chip baffle 6, a cutter rod 7, a cutter rod sliding block 8, a cutter rod sliding rail 9, a spring B 10, a limiting block 11, a limiting bolt 12, a jig base 13, and a dust collection device 14; the connecting relationship is that the connecting column 1-1 and the bearing fixing seat 1-2 are in surface contact and fixed by thread locking, the bearing fixing seat 1-2 and the rotating rod 1-3 are in surface contact, the rotating rod 1-3 and the resin pad 1-4 are fixed by thread locking, the circlip 1-5 and the rotating rod 1-3 are in close contact, the circlip 1-5 and the bearing fixing seat 1-2 are in surface contact and limited, the upper bearing 1-6 and the bearing fixing seat 1-2 are in close contact, and the upper bearing 1-6 and the rotating rod 1-3 are in close contact; the rotating positioning base 3-1 and the jig base 13 are in surface contact and fixed by thread connection, the floating pin 3-2 and the spring A 3-3 are in surface contact, the spring A 3-3 and the rotating positioning base 3-1 are in gap fit, the floating pin 3-2 and the stop block 3-4 are in surface contact and sliding fit, the stop block 3-4 and the jackscrew 3-5 are in close contact, the jackscrew 3-5 and the rotating positioning base 3-1 are in surface contact and fixed by thread connection, the lower bearing 3-6 and the rotating positioning base 3-1 are in close contact, and the lower bearing 3-6 and the jig base 13 are in close contact; the precision part 2 and the resin pad 1-4 are in surface contact, the precision part 2 and the rotating positioning base 3-1 are in surface contact, and the precision part 2 and the floating pin 3-2 are in surface contact and positioned; the cutter block 5 and the cutter rod 7 are in surface contact and fixed by bolt locking, the idler 4 is provided with a screw rod, the idler 4 and the cutter rod 7 are connected by thread, a nut is arranged between the idler 4 and the cutter rod 7, the cutter rod sliding block 8 is provided with an upper through groove and a lower dovetail groove, the cutter rod 7 and the upper through groove arranged on the cutter rod sliding block 8 are in surface contact and fixed by bolt locking, the cutter rod sliding rail 9 is provided with a dovetail boss, the lower dovetail groove arranged on the cutter rod sliding block 8 and the dovetail boss arranged on the cutter rod sliding rail 9 are in surface contact and sliding fit, the cutter rod sliding rail 9 and the jig base 13 are in surface contact and fixed by bolt locking, the limiting block 11 and the jig base 13 are in surface contact and fixed by bolt locking, the limiting bolt 12 and the limiting block 11 are in surface contact and sliding fit, the limiting bolt 12 and the cutter rod 7 are connected by thread, a nut is arranged between the limiting bolt 12 and the cutter rod 7, the spring B 10 realizes the limiting function by the nut, the spring B 10 and the limiting block 11 are in surface contact, the chip baffle 6 and the jig base 13 are in surface contact and fixed by bolt locking, the dust collection device 14 and the jig base 13 are in surface contact and fixed by bolt locking, and the chip collection is realized.

[0006] The clamping spring 1-5 is an open annular metal sheet, the rotating rod 1-3 is provided with an annular inner groove, the clamping spring 1-5 is closely matched with the annular inner groove provided on the rotating rod 1-3, and the rotating rod 1-3, the resin cushion block 1-4 and the upper bearing 1-6 are limited by the clamping spring 1-5 as a whole.

[0007] The connecting column 1-1, the bearing fixing seat 1-2, the rotating rod 1-3, the resin cushion block 1-4, the clamping spring 1-5 and the upper bearing 1-6 jointly constitute a pressing assembly; the rotating positioning base plate 3-1, the floating pin 3-2, the spring A 3-3, the stop block 3-4, the top screw 3-5 and the lower bearing 3-6 constitute a base plate assembly; the pressing assembly and the base plate assembly position the precision part 2 through the action of a pneumatic cylinder, and the floating pin 3-2 positions and prevents rotation of the precision part 2. The pressing assembly and the base plate assembly rotate synchronously under the driving of a servo motor.

[0008] The idler wheel 4, the cutter block 5, the material chip baffle 6, the cutter rod 7, the cutter rod sliding block 8, the cutter rod sliding rail 9, the spring B 10, the limiting block 11 and the limiting bolt 12 constitute a cutting assembly, the cutter block 5 and the idler wheel 4 are fixed on the cutter rod 7 at the same time, the idler wheel 4 is in surface contact with the precision part 2, and the cutter block 5 synchronously cuts to prevent overcutting and realize profile machining.

[0009] The working principle of the precision part deburring device is as follows: the precision part 2 is placed in the rotating positioning base plate 3 by a manipulator, the precision part 2 is pressed on the rotating positioning base plate 3 by the pressing assembly, the rotating positioning base plate 3 is rotated by a servo motor, the cutter rod 7 is provided with floating by the spring B 10 to tightly adhere the idler wheel 4 and the cutter block 5 on the circumference of the precision part 2 to cut burrs, and the idler wheel 4 generates a thrust on the precision part 2 to prevent overcutting during cutting.

[0010] The precision part deburring device has the following beneficial effects: the idler wheel and the cutter block are simultaneously positioned on the cutter rod, the spring B is adjusted by a nut to adjust the spring force, overcutting of the precision part during cutting is prevented, the outer diameter and the tolerance of the precision part are ensured, dust pollution caused by existing grinding and deburring technology is prevented by using the cutting mode and the cooperation of the dust suction device and the material chip baffle, the cutting debris is prevented from flying and being discharged in time, the cleanliness of the precision part is ensured, the qualified rate is improved, the error rate and the scrap rate of manual operation are reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] The embodiments are specifically described below with reference to the drawings.

[0012] Figure 1 It is a precision part deburring device assembly schematic Figure One .

[0013] Figure 2 is an assembly diagram of a precision part deburring device Figure Two .

[0014] Figure 3 is an assembly diagram of a precision part deburring device Figure Three .

[0015] Figure 4 is a cutting assembly diagram of a precision part deburring device Figure Four .

[0016] Figure 5 is a cutting assembly diagram of a precision part deburring device Figure Five .

[0017] Figure 6 is a cutting assembly diagram of a precision part deburring device Figure Six .

[0018] Figure 7 is a pressing assembly and chassis assembly diagram of a precision part deburring device Figure Seven .

[0019] Figure 8 is a pressing assembly diagram of a precision part deburring device Figure Eight .

[0020] Figure 9 is a chassis assembly diagram of a precision part deburring device Figure Nine .

[0021] In the figure: 1-1 connecting column; 1-2 bearing fixing seat; 1-3 rotating rod; 1-4 resin pad; 1-5 clasp spring; 1-6 upper bearing; 2 precision part; 3-1 rotating positioning chassis; 3-2 floating pin; 3-3 spring A; 3-4 stop block; 3-5 top screw; 3-6 lower bearing; 4 idler; 5 cutter block; 6 chip baffle; 7 cutter rod; 8 cutter rod sliding block; 9 cutter rod sliding rail; 10 spring B; 11 limit block; 12 limit bolt; 13 jig base; 14 dust collection device. DETAILED DESCRIPTION

[0022] The specific embodiments of the application are described in detail below with reference to the technical text and the drawings.

[0023] The assembly process of the deburring equipment for precision parts is as follows: the floating pin 3-2, the spring A 3-3, the stop block 3-4, and the top wire 3-5 are assembled in the machined cavity of the rotating positioning base plate 3-1, the rotating positioning base plate 3-1 is fixed on the jig base 13 through the lower bearing 3-6, the connecting column 1-1, the bearing fixing seat 1-2, the rotating rod 1-3, the resin pad 1-4, the snap spring 1-5, and the upper bearing 1-6 are assembled into a compression assembly, which is connected to the air cylinder as a whole, the precision part 2 is placed on the rotating positioning base plate 3-1 and positioned by the floating pin 3-2 and the machined cavity of the rotating positioning base plate 3-1, and the precision part 2 is fixed by the compression assembly (see Figure 7 、 8 、9), the bolt passes through the tool block 5 to lock and fix the tool block 5 with the tool bar 7, the bolt of the idler wheel 4 is screwed on the tool bar 7 and locked and adjusted in height by the nut, the bolt passes through the tool bar sliding block 8 and is locked and fixed with the tool bar 7, the bolt passes through the tool bar sliding rail 9 and is locked and fixed with the jig base 13, the tool bar sliding block 8 and the tool bar sliding rail 9 are connected and slidably matched through dovetail grooves (see Figure 4 、 5 、6), the bolt passes through the limiting block 11 and is locked and fixed with the jig base 13, the limiting bolt 12 passes through the limiting block 11 and the spring B 10 and is locked by the nut and limited, the bolt passes through the chip baffle 6 and is locked and fixed with the jig base 13, and the bolt passes through the dust collection device 14 and is locked and fixed with the jig base 13 (see Figure 1 、 2 、3).

[0024] The implementation process of the deburring equipment for precision parts is as follows: the manipulator places the precision part 2 in the rotating positioning base plate 3-1, the compression assembly is compressed downward, the servo motor drives the rotating positioning base plate 3-1 to rotate, the tool block 5 and the idler wheel 4 make the blade fit the circumference of the precision part 2 under the pressure of the spring B 10. The idler wheel 4 contacts and starts to rotate with the circumference of the precision part 2. As the product rotates, the blade 5 starts to cut the burrs on the circumference of the precision part 2, the idler wheel 4 is in real-time contact with the surface shape of the precision part 2 to prevent overcutting and realize profile machining. The initial position of the tool bar 7 and the pressure of the spring B 10 can be adjusted according to the specific situation and processing requirements of the precision part 2 through the limiting screw 12 to achieve the best processing effect.

[0025] Further, the deburring equipment for precision parts can implement the machining of circular plastic products, which can ensure that the outer circle tolerance is within 0.05 mm, the concentricity is within 0.1 mm, and the cleanliness requirement reaches: ISO 16232 equivalent code S3, non-metallic particles CCC=A (E9 / F8 / G7 / H6 / I5 / J00); metallic particles CCC=A (E8 / F7 / G6 / H5 / I4 / J00).

[0026] Further, the floating cutter bar mechanism with idler 4 for circumferential burr removal of a precision part deburring device, especially the idler 4 part, realizes overcut prevention and random machining in the machining process of the deburring device through the unique structural design and working principle, and is widely applied to various machining fields requiring circumferential burr removal of circular and near-circular products.

[0027] The above is the superior implementation mode of the present application, and it should be pointed out that for the skilled in the art to which the present application belongs, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should also be considered as the protection scope of the present application.

Claims

1. A precision part deburring apparatus characterized by The structure comprises a connecting column (1-1), a bearing fixing seat (1-2), a rotating rod (1-3), a resin cushion block (1-4), a circlip (1-5), an upper bearing (1-6), a precision part (2), a rotating positioning base (3-1), a floating pin (3-2), a spring A (3-3), a stop block (3-4), a jackscrew (3-5), a lower bearing (3-6), an idler (4), a cutter block (5), a chip baffle (6), a cutter rod (7), a cutter rod sliding block (8), a cutter rod sliding rail (9), a spring B (10), a limiting block (11), a limiting bolt (12), a jig base (13), and a dust suction device (14); the connecting relationship is that the connecting column (1-1) and the bearing fixing seat (1-2) are in surface contact and fixed by thread locking, the bearing fixing seat (1-2) and the rotating rod (1-3) are in surface contact, the rotating rod (1-3) and the resin cushion block (1-4) are fixed by thread locking, the circlip (1-5) and the rotating rod (1-3) are in close contact, the circlip (1-5) and the bearing fixing seat (1-2) are in surface contact and limited, the upper bearing (1-6) and the bearing fixing seat (1-2) are in close contact, and the upper bearing (1-6) and the rotating rod (1-3) are in close contact; the floating pin (3-2) and the spring A (3-3) are in surface contact, the spring A (3-3) and the rotating positioning base (3-1) are in gap contact, the floating pin (3-2) and the stop block (3-4) are in sliding contact, the stop block (3-4) and the jackscrew (3-5) are in close contact, the jackscrew (3-5) and the rotating positioning base (3-1) are in thread connection; the precision part (2) and the resin cushion block (1-4) are in surface contact, the precision part (2) and the rotating positioning base (3-1) are in surface contact, and the precision part (2) and the floating pin (3-2) are in surface contact and positioning; the cutter block (5) and the cutter rod (7) are fixed by bolt locking, the idler (4) is provided with a screw rod, the idler (4) and the cutter rod (7) are in thread connection, a nut is arranged between the idler (4) and the cutter rod (7), the cutter rod sliding block (8) is provided with an upper through groove and a lower dovetail groove, the cutter rod (7) and the upper through groove arranged on the cutter rod sliding block (8) are fixed by bolt locking, the cutter rod sliding rail (9) is provided with a dovetail boss, the lower dovetail groove arranged on the cutter rod sliding block (8) and the dovetail boss arranged on the cutter rod sliding rail (9) are in sliding contact, the limiting bolt (12) and the limiting block (11) are in sliding contact, the limiting bolt (12) and the cutter rod (7) are in thread connection, a nut is arranged between the limiting bolt (12) and the cutter rod (7), the spring B (10) realizes the adjusting and limiting functions by the nut, the spring B (10) and the limiting block (11) are in surface contact, the chip baffle (6) and the jig base (13) are fixed by bolt locking, and the dust suction device (14) and the jig base (13) are fixed by bolt locking.

2. The precision part deburring apparatus of claim 1, wherein: The clamping spring (1-5) is an open annular metal sheet, the rotating rod (1-3) is provided with an annular inner groove, the clamping spring (1-5) is closely matched with the annular inner groove provided on the rotating rod (1-3), and the rotating rod (1-3), the resin cushion block (1-4) and the upper bearing (1-6) are limited by the clamping spring (1-5) as a whole.

3. The precision part deburring apparatus of claim 1, wherein: The connecting column (1-1), the bearing fixing base (1-2), the rotating rod (1-3), the resin cushion block (1-4), the clamping spring (1-5) and the upper bearing (1-6) jointly constitute a pressing assembly; the rotating positioning base (3-1), the floating pin (3-2), the spring A (3-3), the stop block (3-4), the jackscrew (3-5) and the lower bearing (3-6) constitute a base assembly; the pressing assembly and the base assembly position the precision part (2) through the action of a cylinder, the floating pin (3-2) positions the precision part (2) to prevent rotation, and the pressing assembly and the base assembly synchronously rotate under the driving of a servo motor.

4. The precision part deburring apparatus of claim 1, wherein: The idler (4), the cutter block (5), the material chip baffle (6), the cutter rod (7), the cutter rod sliding block (8), the cutter rod sliding rail (9), the spring B (10), the limiting block (11) and the limiting bolt (12) constitute a cutting assembly; the cutter block (5) and the idler (4) are fixed on the cutter rod (7) at the same time, the idler (4) is in surface contact with the precision part (2), and the cutter block (5) synchronously cuts.

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