CN209095040U - A fixture for CNC machining center - Google Patents

Abstract

The utility model discloses a fixture for a numerically controlled machining center in the technical field of numerically controlled machining centers. A sliding rod, the top of the limit sliding rod is welded with a supporting top plate, and the supporting top plate is arranged parallel to the supporting bottom plate, a positioning sliding plate is sleeved on the outside of the limiting sliding rod, and the positioning sliding plate is arranged parallel to the supporting top plate, the said The top of the positioning slide plate is vertically welded with a positioning pull plate. The utility model drives and adjusts the pressing position of the fixed pressing plate by adjusting the pressing position of the fixing bolt on the positioning slide plate, so that the workpiece to be processed is fixed on the top of the supporting base plate, and fixed The surface contact area between the pressing plate and the workpiece to be processed is relatively large, which reduces the damage to the fixed part of the workpiece to be processed due to the large expected force during fixing, and ensures the processing quality of the workpiece to be processed.

Description

A fixture for CNC machining center

technical field

The utility model relates to the technical field of numerical control machining centers, in particular to a fixture for numerical control machining centers.

Background technique

CNC machining center is a high-efficiency automatic machine tool composed of mechanical equipment and CNC system suitable for processing complex parts. CNC machining center is one of the most productive and widely used CNC machine tools in the world. Its comprehensive processing ability is strong, the workpiece can complete more processing contents after one clamping, and the processing accuracy is high. For batch workpieces with moderate processing difficulty, its efficiency is 5 to 10 times that of ordinary equipment, especially it can complete The processing that cannot be completed by many ordinary equipment is more suitable for single-piece processing with complex shapes and high precision requirements or multi-variety production in small and medium batches. It concentrates the functions of milling, boring, drilling, tapping and thread cutting on one equipment, making it have a variety of technological means. Machining centers are classified according to the spatial position of the spindle during machining: horizontal and vertical machining centers. According to the process and use, there are: boring and milling machining center, compound machining center. According to the special classification of functions, there are: single worktable, double worktable and multi worktable machining center. Single-axis, double-axis, three-axis and machining centers with replaceable headstock, etc.

The CNC machining center needs to use a fixture to fix the workpiece on its processing station before processing the workpiece. The existing logarithm of the fixing method for the workpiece is fixed by the direct contact between the bolt and the workpiece. The contact area between them is small, and the fixed part of the workpiece is often damaged due to the large preload, which affects the processing quality of the workpiece. Based on this, the utility model designs a fixture for a CNC machining center to solve the problem. above problem.

Utility model content

The purpose of this utility model is to provide a fixture for a CNC machining center, so as to solve the problem that the CNC machining center proposed in the above background technology needs to use a fixture to fix the workpiece on its processing station before processing the workpiece. The logarithm of the fixing method of the workpiece is fixed by the direct contact between the bolt and the workpiece. Because the contact area between the bolt and the workpiece is small, the damage to the fixed part of the workpiece is often caused by the large preload, which affects the The problem of the processing quality of the workpiece.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fixture for a CNC machining center, comprising a support base plate, and four corners of the top of the support base plate are provided with installation screw holes, and the inner cavity of the installation screw holes is installed A limit slide bar, the top of the limit slide bar is welded with a support top plate, and the support top plate is arranged parallel to the support bottom plate, a positioning slide plate is sleeved on the outside of the limit slide bar, and the positioning slide plate is arranged parallel to the support top plate, The top of the positioning slide plate is vertically welded with a positioning pull plate, and the top end of the positioning pull plate penetrates the supporting top plate, and the top end of the positioning pull plate is welded with a fixed pressure plate, and the fixed pressure plate is arranged parallel to the supporting bottom plate, and the supporting top plate is A positioning nut is welded on the top, and the positioning nut is arranged on the outer side of the positioning pull plate. The inner cavity of the positioning nut is installed with a fixing bolt, and the bottom end of the fixing bolt penetrates the support top plate and contacts with the positioning slide plate, and the bottom four corners of the support bottom plate L-shaped legs are fixed by screws, and the tops of the L-shaped legs are provided with connection jacks.

Preferably, the installation screw hole and the limit slide rod and the fixing bolt and the positioning nut are all connected by threads.

Preferably, the positioning slide plate is provided with a limit card hole matched with the limit slide bar, and the positioning slide plate can slide up and down on the outer wall of the limit slide bar.

Preferably, the top of the supporting top plate is provided with a limit chute matched with the positioning pull plate, and the limit chute and the positioning pull plate are in transition fit.

Preferably, the bottoms of the four sets of the L-shaped legs are on the same horizontal plane and are arranged in parallel with the tops of the supporting bottom plates.

Compared with the prior art, the beneficial effect of the present utility model is: the utility model drives and adjusts the pressing position of the fixed pressing plate by adjusting the pressing position of the fixing bolt on the positioning slide plate, so that the workpiece to be processed is fixed on the top of the supporting base plate. , and the surface contact area between the fixed pressure plate and the workpiece to be processed is relatively large, which reduces the damage to the fixed part of the workpiece to be processed due to the large expected force during fixing, and ensures the processing quality of the workpiece to be processed. The mutual cooperation of the jacks facilitates the fixed connection between the product and the processing position of the CNC machining center, and is conducive to the later maintenance and disassembly.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the bottom view of the utility model;

Figure 3 is a top view of the utility model.

In the accompanying drawings, the list of components represented by each number is as follows:

1-Support bottom plate, 2-Installation screw holes, 3-Limit sliding rod, 4-Support top plate, 5-Locating slide plate, 6-Locating pull plate, 7-Fixing pressure plate, 8-Locating nut, 9-Fixing bolt, 10 -L-shaped feet, 11-connection jack.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a fixture for a CNC machining center, comprising a support base plate 1, the top four corners of the support base plate 1 are provided with mounting screw holes 2, A limit slide bar 3 is installed in the inner cavity, a support top plate 4 is welded on the top of the limit slide bar 3, and the support top plate 4 is arranged parallel to the support bottom plate 1, and a positioning slide 5 is sleeved outside the limit slide bar 3, and the positioning slide 5 is arranged parallel to the support top plate 4, the top of the positioning slide plate 5 is vertically welded with a positioning pull plate 6, and the top of the positioning pull plate 6 penetrates through the support top plate 4, and the top of the positioning pull plate 6 is welded with a fixed pressure plate 7, and the fixed pressure plate 7 Set parallel to the support bottom plate 1, the top of the support top plate 4 is welded with a positioning nut 8, and the positioning nut 8 is arranged on the outer side of the positioning pull plate 6, the inner cavity of the positioning nut 8 is installed with a fixing bolt 9, and the bottom end of the fixing bolt 9 The supporting top plate 4 is in contact with the positioning slide plate 5 , the bottom four corners of the supporting bottom plate 1 are fixed with L-shaped legs 10 by screws, and the top of the L-shaped legs 10 is provided with a connecting hole 11 .

Among them, between the installation screw hole 2 and the limit sliding rod 3 and between the fixing bolt 9 and the positioning nut 8 are all connected by threads, which is convenient for the installation and removal of the limiting sliding rod 3 and adjusting the fixing bolt 9 through the thread to the positioning nut. 8, the positioning slide 5 is provided with a limit card hole matched with the limit slide 3, and the positioning slide 5 can slide up and down on the outer wall of the limit slide 3, which is convenient for installation between 5 and 3 and It is convenient to drive the position adjustment of the fixed pressure plate 7 by adjusting the position of the positioning slide 5. The top of the support top plate 4 is provided with a limit chute that cooperates with the positioning pull plate 6, and there is a transition between the limit chute and the positioning pull plate 6. The bottoms of the four sets of L-shaped legs 10 are on the same horizontal plane and are arranged parallel to the top of the support base plate 1 to ensure the horizontality of the product when it is installed in the CNC machining station.

A specific application of this embodiment is: when the utility model is in use, by placing the workpiece to be processed on the top of the support base plate 1, and by rotating the fixing bolt 9 and the thread, the adjustment of the fixing bolt 9 on the positioning nut 8 is performed. position, and then adjust the pressing position of the fixing bolt 9 on the positioning slide 5, and adjust the position of the positioning slide 5 on the limit slide bar 3. The positioning slide 5 drives the positioning pull plate 6 to move up and down, and the positioning pull plate 6 Drive the fixed pressure plate 7 to move up and down, so that the fixed pressure plate 7 can fix the workpiece to be processed on the top of the support base plate 1, and the L-shaped leg 10 is fixed at the processing position of the CNC machining center through the screw through the connecting hole 11, and the processing After the completion, the L-shaped feet 10 can be disassembled.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A fixture for a CNC machining center, comprising a support base plate (1), characterized in that: the top four corners of the support base plate (1) are provided with mounting screw holes (2), and the mounting screw holes (2) ) is installed with a limit slide bar (3), the top of the limit slide bar (3) is welded with a support top plate (4), and the support top plate (4) is arranged parallel to the support bottom plate (1), the limit The positioning slide bar (3) is sleeved with a positioning slide plate (5), and the positioning slide plate (5) is arranged parallel to the supporting top plate (4), and a positioning pull plate (6) is vertically welded on the top of the positioning slide bar (5). ), and the top of the positioning pull plate (6) penetrates the support top plate (4), the top of the positioning pull plate (6) is welded with a fixed pressure plate (7), and the fixed pressure plate (7) is arranged parallel to the support bottom plate (1). The top of the support top plate (4) is welded with a positioning nut (8), and the positioning nut (8) is arranged on the outer side of the positioning pull plate (6), and the inner cavity of the positioning nut (8) is installed with a fixing bolt ( 9), and the bottom end of the fixing bolt (9) penetrates through the supporting top plate (4) and contacts the positioning slide plate (5), and the bottom four corners of the supporting bottom plate (1) are all fixed with L-shaped feet (10) by screws. The top of the L-shaped support leg (10) is provided with a connection jack (11). 2. A fixture for a CNC machining center according to claim 1, characterized in that: between the mounting screw hole (2) and the limit slide rod (3) and between the fixing bolt (9) and the positioning nut (8) are connected by screws. 3. A fixture for a CNC machining center according to claim 1, characterized in that: the positioning slide plate (5) is provided with a limit clip hole matched with the limit slide rod (3), and The positioning slide (5) can slide up and down on the outer wall of the limiting slide bar (3). 4. A fixture for a CNC machining center according to claim 1, characterized in that: the top of the support top plate (4) is provided with a limit chute matched with the positioning pull plate (6), and There is transition fit between the limit chute and the positioning pull plate (6). 5. A fixture for a CNC machining center according to claim 1, characterized in that: the bottoms of the four groups of the L-shaped legs (10) are on the same horizontal plane, and are parallel to the top of the supporting base plate (1). set up.