CNC automobile part machining jig stable in limiting

Abstract

The CNC automobile part machining jig stable in limiting comprises a base, a supporting table is fixed to the upper end face of the base, a mounting plate is fixed to the left end face of the supporting table through bolts, a movable rod is connected to the mounting plate, a pressing rod is connected to the supporting table in a sliding mode, and the pressing rod corresponds to the movable rod in position. The pressing rod makes contact with the special-shaped automobile part, the special-shaped automobile part makes contact with the supporting table, and a pressing block is arranged on the upper side of the special-shaped automobile part and used for limiting. According to the CNC automobile part machining jig stable in limiting, the whole jig is of a profiling structure, it can be guaranteed that the whole jig can be better matched with a special-shaped automobile part, the locking effect of the special-shaped automobile part can be achieved through the multi-direction nesting positioning mechanism, the stability of the special-shaped automobile part is guaranteed, and the machining precision of the special-shaped automobile part is improved. The conditions of size deviation, poor machining and the like during CNC machining can be prevented, products can be better protected from being damaged, and the requirement of customers for the size is met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a CNC automobile parts processing fixture with limited stability. Background Art

[0002] CNC machining refers to computer digital controlled precision machining, such as CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines, etc. It has the advantages of high machining accuracy and fast machining rate, and is widely used in the production and processing of automotive parts. In order to better meet the actual installation needs, automotive parts are generally special-shaped structures, and the existing fixtures are difficult to meet the fixing needs of special-shaped automotive parts. Therefore, for special-shaped automotive parts, a machining fixture is designed to better meet the machining and fixing needs of special-shaped automotive parts. Utility Model Content

[0003] The utility model aims to provide a CNC automobile parts processing jig with limited stability to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a limited and stable CNC automobile part processing fixture, comprising a base, a support platform is fixed to the upper end face of the base, a mounting plate is fixed to the left end face of the support platform by bolts, a movable rod is connected to the mounting plate, a pressure rod is slidably connected to the support platform, the positions of the pressure rod and the movable rod correspond, the pressure rod is in contact with a special-shaped automobile part, the special-shaped automobile part is in contact with the support platform, and a pressure block is arranged on the upper side of the special-shaped automobile part for limiting the position.

[0005] Preferably, four bosses are fixed at equal intervals on the right end face of the support, and a circular plate corresponding to the bosses is also fixed on the support, and the circular plate and the special-shaped automobile parts are nested and connected. By nesting the special-shaped automobile parts and the circular plate, the upper side of the special-shaped automobile parts can be installed and fixed, which is convenient for limiting the special-shaped automobile parts.

[0006] Preferably, the movable rod is slidably connected to the mounting plate and the base, and there is a one-to-one correspondence between the movable rod and the boss. The sliding action of the movable rod can provide a basic guarantee for fixing the lower side of the special-shaped automobile parts.

[0007] Preferably, one end of a spring is fixed on the movable rod, and the other end of the spring is in contact with the mounting plate. A threaded column is also fixed on the movable rod, and the threaded column is connected to the pressure rod through a thread. The threaded column can ensure a stable connection between the movable rod and the pressure rod, and cooperate with the action of the spring to provide a basic force for the automatic reset of the movable rod.

[0008] Preferably, a positioning cam is fixed on the side of the pressure rod close to the special-shaped automobile part, and the positioning cam and the special-shaped automobile part are nested and connected. The lower side positioning of the special-shaped automobile part can be achieved by nesting the positioning cam and the special-shaped automobile part. The front and rear positioning of the special-shaped automobile part can be achieved by cooperating with the pressure rod and the support, thereby ensuring the stability of the special-shaped automobile part.

[0009] Preferably, a through hole is provided on the pressing block, and the through hole and the special-shaped automobile part are nested and connected. Two positioning blocks are also fixed on the pressing block symmetrically, and the positioning blocks can achieve positioning by contacting the special-shaped automobile part. The pressing block is locked with the support by a locking bolt. Through the action of the pressing block, the through hole and the positioning block, the special-shaped automobile part can be pressed and locked to ensure the stability of the special-shaped automobile part.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the limited and stable CNC automobile parts processing fixture adopts a contour-like structure as a whole, which can ensure that the overall fixture can better cooperate with special-shaped automobile parts, and then through the multi-directional nested positioning mechanism, the locking effect of special-shaped automobile parts can be achieved, the stability of special-shaped automobile parts can be ensured, and dimensional deviation and poor processing can be prevented during CNC processing, and the product can be better protected from damage and meet customers' dimensional requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of an exploded three-dimensional structure of the processing fixture of the utility model as a whole and a special-shaped automobile part;

[0012] Figure 2 This is a schematic diagram of the three-dimensional structure of the processing fixture of the utility model as a whole and the special-shaped automobile parts;

[0013] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the processing fixture of the utility model.

[0014] In the figure: 1, base; 2, support platform; 201, boss; 202, circular plate; 3, mounting plate; 4, movable rod; 401, spring; 402, threaded column; 5, pressure rod; 501, positioning cam; 6, special-shaped automobile parts; 7, pressure block; 701, through hole; 702, positioning block; 703, locking bolt. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1-Figure 3 The utility model provides a technical solution: a limited stable CNC auto parts processing fixture, including a base 1, a support 2 is fixed on the upper end surface of the base 1, a mounting plate 3 is fixed to the left end surface of the support 2 by bolts, a movable rod 4 is connected to the mounting plate 3, a pressure rod 5 is slidably connected to the support 2, the positions of the pressure rod 5 and the movable rod 4 correspond, the pressure rod 5 contacts with a special-shaped auto part 6, the special-shaped auto part 6 contacts with the support 2, and a pressure block 7 is arranged on the upper side of the special-shaped auto part 6 for limiting the position.

[0017] Four bosses 201 are fixed at equal intervals on the right end surface of the support 2, and a circular plate 202 corresponding to the bosses 201 is also fixed on the support 2, and the circular plate 202 and the special-shaped automobile part 6 are nested in connection; the movable rod 4 is slidably connected to the mounting plate 3 and the base 1, and the movable rod 4 and the bosses 201 are in a one-to-one correspondence; one end of a spring 401 is also fixed on the movable rod 4, and the other end of the spring 401 is in contact with the mounting plate 3, and a threaded column 402 is also fixed on the movable rod 4, and the threaded column 402 is connected to the pressure rod 5 through a thread; a positioning cam 501 is also fixed on the side of the pressure rod 5 close to the special-shaped automobile part 6, and the positioning cam 501 and the special-shaped automobile part 6 are nested in connection;

[0018] When using this limit-stabilized CNC automotive parts machining fixture, Figure 1-Figure 3 As shown, firstly, the whole device is installed on the CNC processing platform. When fixing the special-shaped automobile part 6, by pressing the movable rod 4, the sliding action between the movable rod 4 and the mounting plate 3 and the base 1 and the sliding action between the pressure rod 5 and the base 1 can make the pressure rod 5 move rightward by force, thereby driving the positioning cam 501 to move and separate from the support platform 2, and then the upper side of the special-shaped automobile part 6 is nested with the circular plate 202 to achieve primary positioning. At this time, the lower side of the special-shaped automobile part 6 is exactly located between the support platform 2 and the pressure rod 5. By loosening the movable rod 4, the movable rod 4, the pressure rod 5 and the positioning cam 501 can be reset under the action of the spring 401, so that the positioning cam 501 is exactly nested with the opening on the lower side of the special-shaped automobile part 6, thereby achieving secondary positioning of the special-shaped automobile part 6.

[0019] The pressing block 7 is provided with a through hole 701, and the through hole 701 and the special-shaped automobile part 6 are nested and connected. Two positioning blocks 702 are also fixed on the pressing block 7 symmetrically, and the positioning blocks 702 contact the special-shaped automobile part 6 to achieve positioning. The pressing block 7 is locked with the support platform 2 by a locking bolt 703;

[0020] After the installation of the special-shaped automobile parts 6 is completed, Figure 1-Figure 2As shown, by installing the pressing block 7 and the support 2, the fixing and locking effect of the pressing block 7 can be achieved by cooperating with the locking bolt 703. At this time, the through hole 701 and the special-shaped automobile part 6 are nested to achieve limiting, and the positioning block 702 contacts the side of the special-shaped automobile part 6 to achieve limiting, thereby achieving the locking and fixing effect of the special-shaped automobile part 6, ensuring the stability of the special-shaped automobile part 6, and facilitating subsequent processing. The fixture is provided with four limiting mechanisms (more limiting mechanisms can also be designed according to actual needs) to achieve the clamping and fixing of multiple special-shaped automobile parts 6 at one time, so as to better meet the actual processing needs. This is the working principle of the CNC automobile part processing fixture with stable limiting.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A CNC automobile parts processing jig with limited stability, comprising a base (1), a support platform (2) being fixed to the upper end surface of the base (1), characterized in that: The left end surface of the support platform (2) is fixed with a mounting plate (3) by bolts, the mounting plate (3) is connected with a movable rod (4), the support platform (2) is slidably connected with a pressure rod (5), the position of the pressure rod (5) corresponds to that of the movable rod (4), the pressure rod (5) contacts with a special-shaped automobile part (6), the special-shaped automobile part (6) contacts with the support platform (2), and a pressure block (7) is arranged on the upper side of the special-shaped automobile part (6) for limiting position.

2. A position-limited stable CNC automobile parts processing jig according to claim 1, characterized in that: Four bosses (201) are fixed at equal intervals on the right end surface of the support platform (2), and a circular plate (202) corresponding to the bosses (201) is also fixed on the support platform (2), and the circular plate (202) and the special-shaped automobile part (6) are nested and connected.

3. The CNC automobile parts processing jig with limited stability according to claim 1 is characterized in that: The movable rod (4) is slidably connected to the mounting plate (3) and the base (1), and there is a one-to-one correspondence between the movable rod (4) and the boss (201).

4. The position-limited stable CNC automobile parts processing jig according to claim 1, characterized in that: One end of a spring (401) is also fixed on the movable rod (4), and the other end of the spring (401) is in contact with the mounting plate (3). A threaded column (402) is also fixed on the movable rod (4), and the threaded column (402) is connected to the pressure rod (5) via a thread.

5. The position-limited stable CNC automobile parts processing jig according to claim 1, characterized in that: A positioning convex shaft (501) is also fixed on one side of the pressure rod (5) close to the special-shaped automobile part (6), and the positioning convex shaft (501) and the special-shaped automobile part (6) are nested and connected.

6. The position-limited stable CNC automobile parts processing jig according to claim 1, characterized in that: The pressing block (7) is provided with a through hole (701), and the through hole (701) and the special-shaped automobile part (6) are nested and connected. Two positioning blocks (702) are also fixed on the pressing block (7) in a left-right symmetrical manner, and the positioning blocks (702) are in contact with the special-shaped automobile part (6) to achieve a positioning effect. The pressing block (7) is locked with the support platform (2) by a locking bolt (703).

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