Product inner side reaming device

Abstract

The utility model discloses a product inner side reaming device which comprises a base, a feeding mechanism and a jig located above the feeding mechanism are arranged on the base, a receding opening is formed in the jig, the jig is used for loading a workpiece, the workpiece is arranged above the receding opening in a covering mode, and the feeding mechanism is arranged on the base. A feeding mechanism is arranged on the inner wall of the workpiece, a broaching driving mechanism is arranged at the moving end of the feeding mechanism, the feeding mechanism is used for driving the broaching driving mechanism to move front and back along the receding opening, a broaching reamer is arranged at the rotating end of the broaching driving mechanism, and the broaching reamer is aligned with an inner hole in the inner wall of the workpiece. The automatic broaching device can automatically broach holes in the inner side of a product, manpower is saved, broaching machining quality can be improved, and application requirements are well met.

Description

Technical Field

[0001] The utility model relates to injection molding workpiece processing equipment, in particular to a product inner side hole expanding device. Background Art

[0002] After the injection molded workpiece is processed and formed, corresponding holes are usually set inside and outside. In practical applications, the hole diameter deviation often occurs. In order to avoid product waste, the product is expanded. For related equipment, please refer to the Chinese patent publication number CN208826737U, entitled "A plastic template expansion machine with positioning function", which records:

[0003] "A plastic template reaming machine with a positioning function, comprising a workbench, a support frame, a mounting plate and a reaming drill bit, legs are installed at the four corners of the bottom end of the workbench, and a dust removal box is installed at the bottom end of the workbench between the legs, a dust suction pump is installed at the bottom end of the dust removal box, and a dust collecting bin is arranged inside the dust removal box on one side of the dust suction pump, the interior of the dust collecting bin is connected to the dust outlet of the dust suction pump through a dust outlet pipe, a dust suction pipe is installed on one side of the workbench, and the dust outlet end of the dust suction pipe is connected to the dust inlet of the dust suction pump through a dust inlet pipe, and dust suction heads are evenly installed on the top of the dust suction pipe";

[0004] Although this type of equipment has the function of positioning the workpiece and reaming, its reaming drill can only move vertically up and down, that is, it can only ream the product from the outside. For the holes on the inside of the product, it is necessary to fix them with other clamps and then ream them with manual reaming tools. This operation method is not only inefficient, but also easily leads to problems such as hole deviation and excessive hole diameter, so it cannot meet high-quality processing requirements. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a device for automatically expanding the inner holes of products, which not only saves manpower but also improves the quality of the expanding process, in view of the deficiencies of the prior art.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions.

[0007] A device for expanding the inner side of a product comprises a base, a feeding mechanism and a jig located above the feeding mechanism, a avoidance opening provided on the jig for loading a workpiece, a workpiece cover provided above the avoidance opening, an expanding hole driving mechanism provided at the moving end of the feeding mechanism, the feeding mechanism being used to drive the expanding hole driving mechanism to move forward and backward along the avoidance opening, an expanding hole reamer provided at the rotating end of the expanding hole driving mechanism, and the expanding hole reamer being aligned with the inner hole of the inner wall of the workpiece.

[0008] Preferably, the feeding mechanism includes two slide rails parallel to each other, a moving platform slidably connected to the two slide rails, and a motor screw driving mechanism for driving the moving platform to translate.

[0009] Preferably, the reaming drive mechanism includes a reaming support and a reaming drive motor, the reaming support and the reaming drive motor are both fixed on the moving platform, and a gear assembly is provided on the reaming support, one end of the gear assembly is transmission-connected to the driving end of the reaming drive motor, and the other end of the gear assembly is used to insert the reaming reamer.

[0010] Preferably, one end of the gear assembly is connected to the driving end of the hole expansion drive motor through a belt and a pulley transmission.

[0011] Preferably, four vertical rods are fixed on the base, and the fixture is fixed to the upper ends of the four vertical rods.

[0012] Preferably, a plurality of positioning blocks are fixed on the jig, and the workpiece is clamped between the plurality of positioning blocks.

[0013] In the device for reaming the inner side of a product disclosed by the utility model, the fixture is used to load a workpiece, the feeding mechanism is arranged below the fixture, the reaming driving mechanism passes through the avoidance opening, and can move back and forth under the drive of the feeding mechanism. Since the reaming cutter is aligned with the inner hole of the inner wall of the workpiece, when the feeding mechanism is running, the rotating reaming cutter is driven to approach the inner hole and gradually completes the reaming action. Compared with the manual operation of the reaming tool in the prior art, the utility model can automatically reame the inner hole of the product, which not only saves manpower but also improves the reaming processing quality, and better meets the application requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional diagram of the inner hole expansion device of the utility model after loading a workpiece;

[0015] Figure 2 This is a three-dimensional diagram of the inner side hole expanding device of the utility model after the workpiece is removed;

[0016] Figure 3 This is the inner structure diagram of the workpiece;

[0017] Figure 4 It is the structural diagram of the feeding mechanism and the hole expansion drive mechanism. DETAILED DESCRIPTION

[0018] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0019] The utility model discloses a device for expanding the inner hole of a product, combined with Figures 1 to 4 As shown, it includes a base 1, on which a feeding mechanism 2 and a fixture 3 located above the feeding mechanism 2 are provided, on which a avoidance opening 30 is provided, and on which a workpiece 100 is loaded, and the workpiece 100 is covered above the avoidance opening 30, and a reaming drive mechanism 4 is provided at the moving end of the feeding mechanism 2, and the feeding mechanism 2 is used to drive the reaming drive mechanism 4 to move back and forth along the avoidance opening 30, and a reaming reamer 5 is provided at the rotating end of the reaming drive mechanism 4, and the reaming reamer 5 is aligned with the inner hole 101 of the inner wall of the workpiece 100.

[0020] In the above structure, the fixture 3 is used to load the workpiece 100, the feeding mechanism 2 is arranged below the fixture 3, the reaming drive mechanism 4 passes through the avoidance opening 30, and can move back and forth under the drive of the feeding mechanism 2. Because the reaming cutter 5 is aligned with the inner hole 101 of the inner wall of the workpiece 100, when the feeding mechanism 2 is running, the rotating reaming cutter 5 is driven to approach the inner hole 101 and gradually complete the reaming action. Compared with the manual control of the reaming tool in the prior art, the utility model can automatically reame the inner hole of the product, which not only saves manpower, but also improves the reaming processing quality, and better meets the application requirements.

[0021] For the specific structure of the feeding mechanism 2, see Figure 4 The feeding mechanism 2 includes two parallel slide rails 20, a moving platform 21 slidably connected to the two slide rails 20, and a motor screw drive mechanism 22 for driving the moving platform 21 to translate. The motor screw drive mechanism 22 includes a servo motor 220, a screw and a screw pair 221, the screw pair 221 is fixedly connected to the moving platform 21, the screw passes through the screw pair 221 and the two are screwed together, and the servo motor 220 is connected to the screw through a belt and a pulley transmission, thereby realizing precise control of the translation of the moving platform 21.

[0022] As a preferred embodiment, the reaming drive mechanism 4 includes a reaming support 40 and a reaming drive motor 41, both of which are fixed on the moving platform 21, and a gear assembly 42 is provided on the reaming support 40, one end of the gear assembly 42 is connected to the driving end of the reaming drive motor 41, and the other end of the gear assembly 42 is used to insert the reaming reamer 5. Among them, the gear assembly 42 mainly plays a deceleration role, and the drive motor 41 can be a servo motor or a stepper motor. Specifically, one end of the gear assembly 42 is connected to the driving end of the reaming drive motor 41 through a belt and a pulley transmission. The above transmission method can ensure that the rotation speed of the reaming reamer 5 is accurately controllable.

[0023] See also Figure 2 In order to reliably support the fixture 3 , in the present embodiment, four vertical rods 6 are fixed on the base 1 , and the fixture 3 is fixed to the upper ends of the four vertical rods 6 .

[0024] As a preferred embodiment, a plurality of positioning blocks 31 are fixed on the jig 3, and the workpiece 100 is clamped between the plurality of positioning blocks 31. The plurality of positioning blocks 31 mainly play the role of clamping and positioning the workpiece 100. With the cooperation of the plurality of positioning blocks 31, the workpiece 100 can be prevented from being offset during the hole expansion process, thereby ensuring the hole expansion processing accuracy.

[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for expanding the inner hole of a product, characterized in that: The invention comprises a base (1), wherein the base (1) is provided with a feeding mechanism (2) and a fixture (3) located above the feeding mechanism (2), wherein the fixture (3) is provided with an escape opening (30), wherein the fixture (3) is used for loading a workpiece (100), wherein the workpiece (100) is covered above the escape opening (30), wherein a hole reaming driving mechanism (4) is provided at the moving end of the feeding mechanism (2), wherein the feeding mechanism (2) is used for driving the hole reaming driving mechanism (4) to move forward and backward along the escape opening (30), wherein a hole reaming cutter (5) is provided at the rotating end of the hole reaming driving mechanism (4), wherein the hole reaming cutter (5) is aligned with an inner hole (101) of an inner wall of the workpiece (100).

2. The product inner side hole expanding device according to claim 1, characterized in that: The feeding mechanism (2) comprises two mutually parallel slide rails (20), a moving platform (21) slidably connected to the two slide rails (20), and a motor screw drive mechanism (22) for driving the moving platform (21) to translate.

3. The product inner side hole expanding device according to claim 2, characterized in that: The hole expansion drive mechanism (4) comprises a hole expansion support (40) and a hole expansion drive motor (41), wherein the hole expansion support (40) and the hole expansion drive motor (41) are both fixed on the moving platform (21), and a gear assembly (42) is provided on the hole expansion support (40), one end of the gear assembly (42) is transmission-connected to the driving end of the hole expansion drive motor (41), and the other end of the gear assembly (42) is used for inserting the hole expansion reamer (5).

4. The product inner side hole expanding device according to claim 3, characterized in that: One end of the gear assembly (42) is connected to the driving end of the hole expansion driving motor (41) via a belt and a pulley.

5. The product inner side hole expanding device according to claim 1, characterized in that: Four vertical rods (6) are fixed on the base (1), and the fixture (3) is fixed to the upper ends of the four vertical rods (6).

6. The product inner side hole expanding device according to claim 1, characterized in that: A plurality of positioning blocks (31) are fixed on the jig (3), and the workpiece (100) is clamped between the plurality of positioning blocks (31).

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