Drilling device for automobile chassis production

Abstract

The utility model discloses a drilling device for automobile chassis production, which comprises a drilling stand, two sides of the drilling stand are connected with first connecting frames which are symmetrically arranged, the first connecting frames are in sliding connection with second connecting frames, the tops of the second connecting frames are in sliding connection with a machine head, the bottom of the machine head is fixedly connected with the bottom of a first hydraulic cylinder, and the bottom of the first hydraulic cylinder is fixedly connected with the drilling stand. And the output end of the first hydraulic cylinder is fixedly connected with the switching structure. The base plate punching device effectively solves the technical problems that when an existing base plate punching device is used for machining, drill bits with different sizes need to be replaced for holes with different calibers, and the drilling efficiency is reduced when the drill bits are replaced.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of mechanical processing, in particular to a drilling device for automobile chassis production. Background Art

[0002] The chassis is a combination of four parts on the car, namely the transmission system, the running system, the steering system and the braking system. It supports and installs the automobile engine and its components and assemblies to form the overall shape of the automobile, bear the engine power and ensure the normal driving of the automobile. During the production process of the chassis, it is necessary to punch holes on the chassis. During the processing of the existing chassis punching device, it is necessary to replace the drill bits of different sizes for holes of different calibers, and replacing the drill bits will lead to a decrease in drilling efficiency. Therefore, a drilling device for automobile chassis production is needed to solve the above problems. Utility Model Content

[0003] The technical solution of the utility model aims at the technical problem that the existing technical solution is too single, provides a solution that is significantly different from the existing technology, and mainly provides a drilling device for automobile chassis production to solve the technical problems raised in the above background technology.

[0004] The technical solution adopted by the utility model to solve the above technical problems is: a drilling device for automobile chassis production, including a drilling frame, both sides of the drilling frame are connected to symmetrically arranged first connecting frames, the first connecting frame is slidably connected to the second connecting frame, the top of the second connecting frame is slidably connected to the machine head, the bottom of the machine head is connected and fixed to the bottom of the first hydraulic cylinder, and the output end of the first hydraulic cylinder is connected and fixed to the switching structure.

[0005] Preferably, the first connecting frame is provided with a motor and a ball screw, and the nut of the ball screw is connected and fixed to the second connecting frame.

[0006] Preferably, another set of motor and ball screw is arranged on the top of the second connecting frame, the motor is transmission-connected to the ball screw, and the nut of the ball screw is connected and fixed to the machine head.

[0007] Preferably, the switching structure includes a protective ring, the top of the protective ring is connected and fixed to the protective cover, the protective cover has a plurality of holes equidistantly formed therein, a hydraulic pipe is arranged in the hole, one end of the hydraulic pipe is communicated with the second hydraulic cylinder, the bottom of the second hydraulic cylinder is fixedly connected to the inner wall of the protective ring, the output end of the second hydraulic cylinder is slidably connected to the sliding sleeve, the outer ring at the lower end of the sliding sleeve is connected and fixed to one end of the elastic member, the other end of the elastic member is connected and fixed to the output end of the second hydraulic cylinder, the bottom of the sliding sleeve is connected and fixed to the drill bit, a hexagonal hole is formed on the top of the sliding sleeve, the hexagonal hole is slidably engaged with one end of the hexagonal rod, the other end of the hexagonal rod is connected and fixed to the output end of the drive motor, and the drive motor is connected and fixed to the protective cover.

[0008] Preferably, a 45° slope is provided at the opening of the hexagonal hole.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] For a drill bit with a required drilling diameter, the output end of the second hydraulic cylinder drives the sliding sleeve and the drill bit with the required diameter to move to the bottom of the driving motor, and then the output of the first hydraulic cylinder causes the hexagonal rod to engage and enter the hexagonal hole. Finally, the driving motor rotates to drive the drill bit to drill a hole. After the hole is drilled, the elastic part expands to cause the sliding sleeve to detach from the hexagonal rod, thereby completing the automatic docking and replacement of the drill bit, further improving the efficiency of drilling holes with different diameters.

[0011] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0013] Figure 2 for Figure 1 Medium enlarged image;

[0014] Figure 3 This is a schematic diagram of the internal structure of the protective ring in the utility model;

[0015] Figure 4 It is a schematic diagram of the cross-sectional structure of the protection ring in the utility model;

[0016] Description of the drawings: 1-punching stand, 2-first connecting frame, 3-switching structure, 31-protection ring, 32-protection cover, 33-hydraulic pipe, 34-second hydraulic cylinder, 35-sliding sleeve, 351-hexagonal hole, 36-elastic part, 37-drill bit, 38-driving motor, 381-hexagonal rod, 4-second connecting frame, 41-machine head, 5-first hydraulic cylinder. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0018] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field of the present invention. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0020] See also Figure 1 A drilling device for automobile chassis production includes a rectangular drilling frame 1, both sides of the drilling frame 1 are connected to symmetrically arranged first connecting frames 2, the first connecting frame 2 is slidably connected to the second connecting frame 4, the top of the second connecting frame 4 is slidably connected to the head 41, the bottom of the head 41 is connected and fixed to the bottom of the first hydraulic cylinder 5, and the output end of the first hydraulic cylinder 5 is connected and fixed to the switching structure 3.

[0021] The first connecting frame 2 is provided with a motor and a ball screw, and the nut of the ball screw is connected and fixed to the second connecting frame 4. The motor drives the screw of the ball screw to rotate, which can drive the second connecting frame 4 to move longitudinally, thereby changing the longitudinal position of the punching. Another set of motors and ball screws are arranged on the top of the second connecting frame 4. The motor and the ball screw are transmission-connected, and the nut of the ball screw is connected and fixed to the machine head 41. The motor drives the screw of the ball screw to rotate, which can drive the machine head 41 to move laterally, thereby changing the laterally position of the punching.

[0022] See also Figures 2 to 4The switching structure 3 includes a protection ring 31, the top of the protection ring 31 is connected and fixed to the protection cover 32, the protection cover 32 is provided with a plurality of holes at equal intervals, a hydraulic pipe 33 is arranged in the hole, one end of the hydraulic pipe 33 is connected to the second hydraulic cylinder 34, the bottom of the second hydraulic cylinder 34 is fixedly connected to the inner wall of the protection ring 31, the output end of the second hydraulic cylinder 34 is slidably connected to the sliding sleeve 35, the outer ring at the lower end of the sliding sleeve 35 is connected and fixed to one end of the elastic member 36, the other end of the elastic member 36 is connected and fixed to the output end of the second hydraulic cylinder 34, the bottom of the sliding sleeve 35 is connected and fixed to the drill bit 37, the top of the sliding sleeve 35 A hexagonal hole 351 is opened, and the hexagonal hole 351 is slidably engaged with one end of a hexagonal rod 381, and the other end of the hexagonal rod 381 is connected and fixed to the output end of a driving motor 38, and the driving motor 38 is connected and fixed to a protective cover 32. The sliding sleeve 35 is driven to move to the bottom of the driving motor 38 by the output end of the second hydraulic cylinder 34, and then the hexagonal rod 381 is engaged and entered into the hexagonal hole 352 by the output of the first hydraulic cylinder 5, and finally the driving motor 38 rotates to drive the drill bit 37 to drill a hole, and then after drilling, the elastic member 36 expands, causing the sliding sleeve 35 to separate from the hexagonal rod 381.

[0023] A 45° inclined surface is provided at the opening of the hexagonal hole 351 , so that the hexagonal hole 351 and one end of the hexagonal rod 381 can be slidably engaged with each other.

[0024] The specific operation process of the utility model is as follows: for the drill bit 37 of the required drilling diameter, the sliding sleeve 35 and the drill bit 37 of the required aperture are driven by the output end of the second hydraulic cylinder 34 to move to the bottom of the driving motor 38, and then the output of the first hydraulic cylinder 5 causes the hexagonal rod 381 to engage into the hexagonal hole 352, and finally the driving motor 38 is rotated to drive the drill bit 37 to drill a hole, and then after the hole is drilled, the elastic member 36 is expanded to cause the sliding sleeve 35 to detach from the hexagonal rod 381, thereby completing the automatic docking and replacement of the drill bit 37, and further improving the efficiency of drilling holes of different apertures.

[0025] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A drilling device for automobile chassis production, characterized in that: The punching frame (1) comprises a punching frame (1), the two sides of which are connected to symmetrically arranged first connecting frames (2), the first connecting frame (2) is slidably connected to a second connecting frame (4), the top of the second connecting frame (4) is slidably connected to a machine head (41), the bottom of the machine head (41) is connected and fixed to the bottom of a first hydraulic cylinder (5), and the output end of the first hydraulic cylinder (5) is connected and fixed to a switching structure (3).

2. The drilling device for automobile chassis production according to claim 1, characterized in that: The first connecting frame (2) is provided with a motor and a ball screw, and the nut of the ball screw is connected and fixed to the second connecting frame (4).

3. The drilling device for automobile chassis production according to claim 2, characterized in that: Another set of motors and ball screws are arranged on the top of the second connecting frame (4); the motors are drivingly connected to the ball screws; and the nut of the ball screws is connected and fixed to the machine head (41).

4. The drilling device for automobile chassis production according to claim 1, characterized in that: The switching structure (3) comprises a protection ring (31), the top of the protection ring (31) is connected and fixed to a protection cover (32), the protection cover (32) is provided with a plurality of holes at equal intervals, a hydraulic pipe (33) is arranged in the holes, one end of the hydraulic pipe (33) is connected to a second hydraulic cylinder (34), the bottom of the second hydraulic cylinder (34) is fixedly connected to the inner wall of the protection ring (31), the output end of the second hydraulic cylinder (34) is slidably connected to a sliding sleeve (35), and the outer ring of the lower end of the sliding sleeve (35) is The sliding sleeve (35) is fixedly connected to one end of an elastic member (36), the other end of the elastic member (36) is fixedly connected to the output end of a second hydraulic cylinder (34), the bottom of the sliding sleeve (35) is fixedly connected to a drill bit (37), the top of the sliding sleeve (35) is provided with a hexagonal hole (351), the hexagonal hole (351) is slidably engaged with one end of a hexagonal rod (381), the other end of the hexagonal rod (381) is fixedly connected to the output end of a driving motor (38), and the driving motor (38) is fixedly connected to a protective cover (32).

5. The drilling device for automobile chassis production according to claim 4, characterized in that: A 45° inclined surface is provided at the opening of the hexagonal hole (351).

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