Automatic extrusion precise hole device

Abstract

The utility model discloses an automatic extrusion fine hole device which comprises a bottom plate, four symmetrical stand columns are fixedly installed on the upper side of the bottom plate, a rectangular upper fixing plate is fixedly installed between the top ends of the stand columns, a vertically-downward air cylinder a is fixedly installed in the middle of the bottom side of the upper fixing plate, and a steel ball made of tungsten steel is fixedly installed on a piston rod at the lower end of the air cylinder a. A hole finishing table is arranged on the upper side of the bottom plate, round holes vertically opposite to the steel balls are formed in the hole finishing table, a stock bin is installed on the upper side of the bottom plate through a support, an inner cavity of the stock bin is used for placing workpieces to be subjected to hole finishing in an overlapped mode, the support and the stock bin are located on one side of the hole finishing table, and a horizontal air cylinder b is installed on the upper side of the bottom plate through a support. An L-shaped feeding push plate is fixedly installed on a piston rod of the air cylinder b, and the air cylinder b extends to drive the feeding push plate to transversely move to push the lowest workpiece in the stock bin to the precise hole table. The workpiece to be machined can be automatically fed, the precision hole machining efficiency can be improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of machining, specifically is a kind of automatic extrusion fine hole device. BACKGROUND

[0002] In the machining process, some fine holes are often seen, and this type of fine hole often needs to bear the role of accurate positioning, which is crucial for the entire machining. Common positioning fine hole machining needs two cutters to complete together, first, use center drill to punch, then use reamer to finish and chamfer. In the machining process, due to the use of two cutters, error accumulation occurs, affecting the machining accuracy of the positioning fine hole, and the machining process is complex. Steel ball extrusion fine hole has the advantages of simple method and low cost. For plate structure workpieces, during the process of steel ball extrusion fine hole, manual clamping and feeding are generally used, which affects the machining efficiency. SUMMARY

[0003] The utility model discloses a kind of automatic extrusion fine hole devices, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: an automatic extrusion fine hole device, including bottom plate, the upper side of the bottom plate is fixedly installed four symmetrical stand, the top of the stand is fixedly installed with the upper fixed plate of rectangle, the bottom side of the upper fixed plate middle part is fixedly installed with the vertical downward air cylinder a, the piston rod of the lower end of the air cylinder a is fixedly installed with the steel ball of tungsten steel material, the upper side of the bottom plate is provided with fine hole table, the fine hole table is located at the lower side of air cylinder a, fine hole table is equipped with the round hole vertically opposite with steel ball, the upper side of the bottom plate is installed with bunker by support, the inner chamber of bunker is used to stack and place workpiece to be fine, the support and bunker are located at the side of fine hole table, the upper side of the bottom plate is installed with the horizontal air cylinder b by support, the piston rod of the air cylinder b is fixedly installed with the L-shaped feeding push plate, air cylinder b elongation drives feeding push plate to move horizontally and push the last workpiece in bunker to fine hole table.

[0005] Preferably, the side of the fine hole table is provided with a ramped material sliding table, and the material sliding table is located on the opposite side of the air cylinder b.

[0006] Preferably, the two sides of the fine hole table are provided with L-shaped baffles extending upward, and a sliding groove is formed between the two L-shaped baffles to constrain the left and right positions of the workpiece.

[0007] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses the automatic workpiece of processing is fed, and workpiece is fed to the fine hole platform, and cylinder a promotes the steel ball to and fro through the through -hole and realizes the extrusion fine hole processing, and when pushing into the workpiece, the workpiece of processing is ejected, and the device is suitable for the batch fine hole of plate workpiece, and it is favorable to improve the processing efficiency, reduces the processing cost. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 It is the front side perspective structure schematic diagram of the utility model;

[0009] Fig. 2 It is the back side perspective structure schematic diagram of the utility model.

[0010] In the drawing: 1, bottom plate, 2, stand, 3, upper fixed plate, 4, cylinder a, 5, steel ball, 6, fine hole platform, 7, material table, 8, stock bin, 9, cylinder b, 10, feeding push plate, 11, support. DETAILED DESCRIPTION

[0011] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0012] Please refer to Figs. 1-2 The utility model provides a kind of technical scheme: an automatic extrusion fine hole device, including bottom plate 1, the upper side of bottom plate 1 is fixedly installed with four symmetrical stands 2, and the top of stand 2 is fixedly installed with rectangular upper fixed plate 3, and the middle part of the bottom side of upper fixed plate 3 is installed with vertically downward cylinder a 4 with bolt, and the piston rod of cylinder a 4 lower end is fixedly installed with steel ball 5 of tungsten steel material, and the upper side of bottom plate 1 is provided with fine hole platform 6, and fine hole platform 6 is located at the right below of cylinder a 4, and fine hole platform 6 is equipped with the round hole that is vertically opposite with steel ball 5, and cylinder a 4 can make steel ball 5 fall into round hole after elongation.

[0013] The upper side of the bottom plate 1 is provided with a hopper 8 through a support 11, the inner cavity of the hopper 8 is used for stacking the workpieces to be fine bored, the support 11 and the hopper 8 are located on one side of the fine boring table 6, the upper side of the bottom plate 1 is provided with a horizontal air cylinder b9 through a support, one side of the fine boring table 6 is provided with a material sliding table 7 with a slope, the material sliding table 7 is located on the opposite side of the air cylinder b9, the workpiece well bored is pushed to slide down from the material sliding table 7. The piston rod of the air cylinder b9 is fixedly provided with an L-shaped feeding push plate 10, the air cylinder b9 is elongated to drive the feeding push plate 10 to move transversely and push the last workpiece in the hopper 8 to the fine boring table 6, the thickness of the front end of the feeding push plate 10 is equal to the thickness of the workpiece. The fine boring table 6 is provided with two L-shaped baffles extending upward, a sliding groove is formed between the two L-shaped baffles, the sliding groove restricts the left and right positions of the workpiece, and the width of the sliding groove is slightly larger than the width of the workpiece, so that the workpiece can be pushed transversely.

[0014] Working principle: when in use, the workpieces to be processed are stacked into a stack and placed into the hopper 8, the air cylinder b9 is elongated to push the last workpiece to the fine boring table 6, then the air cylinder a4 is elongated to push the steel ball 5 to penetrate the round hole on the workpiece to realize fine boring, then the air cylinder b9 pushes the next workpiece to the fine boring table 6, and the well-bored workpiece is pushed out and slides off from the material sliding table 7.

[0015] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic hole extruding device, comprising a base plate (1), the upper side of the base plate (1) is fixedly installed with four symmetrical vertical columns (2), the top ends of the vertical columns (2) are fixedly installed with a rectangular upper fixed plate (3), characterized in that: The upper fixed plate (3) bottom side middle part is fixedly installed with vertical downward air cylinder a (4), the piston rod of the lower end of the air cylinder a (4) is fixedly installed with steel ball (5) of tungsten steel material, the upper side of the bottom plate (1) is provided with fine hole table (6), the fine hole table (6) is located below the air cylinder a (4), fine hole table (6) is equipped with the round hole opposite to the steel ball (5) vertically, the upper side of the bottom plate (1) is installed with bin (8) through support (11), the inner cavity of bin (8) is used to stack and place the workpiece to be fine hole, the support (11) and bin (8) are located at one side of fine hole table (6), the upper side of the bottom plate (1) is installed with horizontal air cylinder b (9) through support, the piston rod of the air cylinder b (9) is fixedly installed with L-shaped feeding push plate (10), air cylinder b (9) elongation drive feeding push plate (10) transverse movement pushes the last workpiece in bin (8) to fine hole table (6) on.

2. The automatic hole-punching device according to claim 1, wherein: The side of the fine hole table (6) is provided with a ramped material sliding table (7), and the material sliding table (7) is located on the opposite side of the air cylinder b (9).

3. The automatic hole-punching device according to claim 2, wherein: The fine hole table (6) is provided with an L-shaped baffle extending upward on both sides, and a sliding groove is formed between the two L-shaped baffles, which restricts the left and right positions of the workpiece.

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