CN209754622U - Product internal stay positioner - Google Patents

Abstract

The utility model discloses a product internal stay positioner, including the work bottom plate, the both sides of work bottom plate below are connected with the supporting shoe respectively, be provided with a plurality of fixed blocks on the work bottom plate, the vertical tight post that expands in location that is provided with on the fixed block, the below of work bottom plate is provided with a plurality of climbing mechanisms corresponding with the fixed block, climbing mechanism stretch out the end up and be connected with the lower extreme of the ejector pin of vertical setting, the upper end of ejector pin is passed work bottom plate and fixed block and is the first portion of inserting that the diameter reduces gradually, the location is provided with the bell mouth that matches with first portion in the tight post that expands, the equipartition has a plurality of first cell bodies that are linked together with the outside around the bell. The utility model is simple in operation, convenient, positioning accuracy is high, and the location locking back product can not rotate, and stability is good, is convenient for carry out comprehensive processing and the processing of many technologies to the outside of product, has improved production efficiency, has enlarged the range of application.

Description

Product internal stay positioner

Technical Field

The utility model relates to a CNC processing technology field especially relates to a product internal stay positioner.

Background

CNC, Computer Numerical Control (CNC), is an automated machine tool equipped with a program Control system, and generally adopts a general-purpose or special-purpose Computer to implement Numerical program Control. The CNC machining has the advantages of high machining efficiency, high precision, stable machining quality and high repetition precision, and can machine complex molded surfaces which are difficult to machine by conventional methods, so the CNC machining is widely applied to the field of machining and manufacturing.

in the CNC machining process, for some products with inner holes or inner cavities, such as cylindrical, annular products or products with other shapes of hole bodies, etc., it is necessary to first place the product to be machined on the positioning device for positioning and clamping, and then machine the outer side of the product. However, the existing positioning device positions the product by using the positioning pin or the positioning column, and then clamps or manually locks the product, so that the overall processing of the outer side of the product usually needs to be adjusted for many times, the operation is inconvenient, the precision is low, the efficiency is low, the multi-process processing of the outer side of the product is not easy to be performed, and the application range is greatly limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that above-mentioned current product positioner exists, provide a product internal stay positioner.

In order to solve the technical problem, the utility model provides a following technical scheme:

A product internal stay positioning device comprises a working bottom plate, two sides below the working bottom plate are respectively connected with a supporting block, the working bottom plate is provided with a plurality of fixed blocks, the fixed blocks are vertically provided with positioning expansion columns, a plurality of jacking mechanisms corresponding to the fixed blocks are arranged below the working bottom plate, the jacking mechanisms are positioned between the two supporting blocks, the extending ends of the jacking mechanisms are upward and are connected with the lower ends of vertically arranged ejector rods, the upper ends of the ejector rods penetrate through the working bottom plate and the fixed blocks and are first insertion parts with gradually reduced diameters, conical holes matched with the first insertion parts are arranged in the positioning expansion columns, the conical holes penetrate through the positioning expansion columns along the vertical direction, a plurality of first groove bodies communicated with the outside are uniformly distributed around the conical holes, the plurality of first groove bodies penetrate through the tops of the positioning expansion columns along the vertical direction, and a product can be sleeved on the positioning expansion columns for positioning, the jacking mechanism can push the ejector rod to move upwards, and the first inserting portion can move upwards along the tapered hole to lock and position a product on the expansion column.

The utility model has the advantages that: the product cover of treating processing fixes a position earlier at the bloated tight post in location, then climbing mechanism promotes the ejector pin upward movement, the bell mouth upward movement of the tight post of location expansion is followed to the first portion of inserting of ejector pin, the location expands and expands the tight post of location and carries out the flare-out with the part corresponding with first cell body, thereby expand the product tightly on the bloated tight post in location, realize the internal stay location locking of product, moreover, the steam generator is simple in operation, and is convenient, the positioning accuracy is high, the product can not rotate after the location locking, and is good in stability, be convenient for carry out comprehensive processing and the processing of many technologies to the outside of product, need not carry out many times adjustment, and the production efficiency is improved, the range of application is enlarged, and then the.

In some embodiments, the jacking mechanism comprises a first cylinder, the first cylinder is connected with the working bottom plate through a plurality of connecting columns, the extending end of the first cylinder is connected with a connector, and the connector is connected with the lower end of the ejector rod through a limiting connector.

In some embodiments, the limiting joint is provided with a first clamping groove matched with the connector and a second clamping groove matched with the ejector rod, and the bottom of the ejector rod is provided with a clamping portion matched with the second clamping groove.

In some embodiments, the working bottom plate is provided with a plurality of positioning pins matched with the fixing block, and the fixing block is provided with a plurality of positioning holes matched with the positioning pins.

In some embodiments, a plurality of lightening holes are respectively arranged on the two supporting blocks, the lightening holes penetrate through the supporting blocks along the horizontal direction, and the lower ends of the lightening holes are provided with first mounting holes used for being connected with corresponding external equipment.

In some embodiments, the fixing block is provided with a first through hole, the first through hole is provided with a positioning sleeve matched with the positioning expansion column, the lower end of the positioning expansion column penetrates through the positioning sleeve to be fixed on the working bottom plate, the top of the positioning sleeve is provided with a second insertion part matched with a product, and the second insertion part is positioned above the fixing block and has an outer diameter smaller than that of the positioning sleeve.

In some embodiments, two stoppers are respectively disposed on two sides of the bottom of the positioning sleeve, and two positioning grooves matched with the two stoppers are disposed on the bottom of the fixing block.

In some embodiments, the bottom of the first channel is flush with the top of the mounting block.

In some embodiments, the bottom of the positioning expansion column is provided with an avoiding groove matched with the ejector rod.

In some embodiments, the avoidance groove is concentric with the tapered hole and has a diameter greater than the diameter of the ejector pin, the top of the avoidance groove being flush with the bottom of the second insert portion.

In addition, in the technical solutions of the present invention, the technical solutions can be implemented by adopting conventional means in the art, which are not specifically described.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a product internal stay positioning device of the present invention.

Fig. 2 is a top view of the positioning device for inner support of a product of the present invention.

Fig. 3 is a cross-sectional view taken along the line a-a in fig. 2 according to the present invention.

Fig. 4 is a cross-sectional view taken along the direction B-B in fig. 2 according to the present invention.

Fig. 5 is a partial enlarged view of the point C in fig. 4 according to the present invention.

Fig. 6 is a schematic perspective view of the push rod of the present invention.

fig. 7 is a schematic view of the three-dimensional structure of the limiting joint of the present invention.

The reference numerals in the drawings indicate that the working bottom plate 1, the supporting block 2, the lightening hole 21, the first mounting hole 22, the second mounting hole 23, the fixing block 3, the positioning hole 31, the first through hole 32, the positioning groove 33, the positioning expansion column 4, the tapered hole 41, the first groove body 42, the avoiding groove 43, the ejector rod 5, the first insertion part 51, the clamping part 52, the jacking mechanism 6, the first cylinder 61, the connector 62, the limiting connector 63, the first clamping groove 631, the second clamping groove 632, the connecting column 64, the product 7, the positioning pin 8, the positioning sleeve 9, the second insertion part 91 and the stop block 92.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, it should be noted that the terms "above," "below," "upper end," "lower end," "bottom," "top," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the elements so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention, and the terms "first," "second," and the like are used for descriptive purposes only and are not intended to indicate or imply relative importance.

Example (b):

A product internal stay positioning device, as shown in figures 1-6, comprises a working bottom plate 1, two sides below the working bottom plate 1 are respectively connected with a supporting block 2, usually, a plurality of second mounting holes 23 fixedly connected with the working bottom plate 1 are arranged on the top of the supporting block 2, so that the position of the working bottom plate 1 can be conveniently adjusted, three fixed blocks 3 are arranged on the working bottom plate 1, each fixed block 3 is vertically provided with a positioning expansion column 4, three jacking mechanisms 6 corresponding to the three fixed blocks 3 are arranged below the working bottom plate 1, the number of the fixed blocks 3 and the number of the jacking mechanisms 6 can be properly increased or decreased according to specific conditions, the jacking mechanisms 6 are positioned between the two supporting blocks 2, the extending ends of the jacking mechanisms 6 are upward and connected with the lower ends of vertically arranged jacking rods 5, the upper ends of the jacking rods 5 penetrate through the working bottom plate 1 and the fixed blocks 3 and are first inserting parts 51 with gradually decreasing, usually be provided with the hole body that is used for ejector pin 5 to pass on bottom plate and the fixed block 3 respectively, be provided with in the bloated tight post 4 in location with first portion of inserting 51 assorted bell mouth 41, bell mouth 41 runs through the bloated tight post 4 in location along vertical direction, the equipartition has a plurality of first cell bodies 42 that are linked together with the outside around the bell mouth 41, a plurality of first cell bodies 42 pass the bloated top of tight post 4 in location along vertical direction, a plurality of parts are cut apart into with the one end of the bloated tight post 4 in location to a plurality of first cell bodies 42, can make a plurality of parts of being divided to expand through the application of force to bell mouth 41 like this, product 7 can overlap and fix a position on the bloated tight post 4 in location, climbing mechanism 6 can promote the upward movement of ejector pin 5, product 7 on the bloated tight post 4 in locking location can be followed in bell mouth 41 upward movement to first portion.

The utility model discloses an operating principle is, at first 7 covers of product that will treat processing are fixed a position at the bloated tight post 4 in location, then climbing mechanism 6 promotes 5 upward movements of ejector pin, the bell mouth 41 upward movement of the tight post 4 of first portion 51 of inserting of ejector pin 5 along the bloated tight post 4 in location, expand tightly in the location and expand with the corresponding part of first cell body 42 on the post 4, thereby expand tightly the product 7 on the bloated tight post 4 in location, realize the internal stay location locking of product 7, support location locking from the inboard of product 7 promptly. The utility model is simple in operation, convenient, positioning accuracy is high, and location locking back product 7 can not rotate, and stability is good, is convenient for carry out comprehensive processing and the processing of many technologies to the outside of product 7, need not carry out adjustment many times, has improved production efficiency, has enlarged the range of application, and then has improved the benefit of enterprise.

The jacking mechanism 6 can adopt the modes of a cylinder, an oil cylinder, an electric cylinder and the like, the mode of the cylinder is optimized, the structure is simple and compact, the installation and the maintenance are convenient, specifically, as shown in fig. 1, fig. 3 and fig. 4, the jacking mechanism 6 comprises a first cylinder 61, the first cylinder 61 is optimized to be a compact cylinder, the structure is compact, the occupied space is small, the first cylinder 61 is connected with the working bottom plate 1 through a plurality of connecting columns 64, generally, four end corners of the first cylinder 61 are respectively fixedly connected with the working bottom plate 1 through the connecting columns 64, the extending end of a piston rod of the first cylinder 61 is connected with a connector 62, and the connector 62 is connected with the lower end of the ejector rod 5 through a. In the use process, when the first air cylinder 61 pushes the ejector rod 5 to move upwards, the stroke of the ejector rod 5 can be accurately limited through the limiting joint 63, and the phenomenon that the ejector rod 5 causes overlarge external tension of the positioning expansion column 4 to damage the product 7, for example, the product 7 is damaged due to the fact that the inner cavity of the product 7 deforms and other adverse effects are caused, particularly the product 7 with a thin wall thickness, is avoided, and therefore the safety and the reliability of the device are improved.

Further, as shown in fig. 3, 4, 6, and 7, the limiting joint 63 is provided with a first engaging groove 631 matching with the connecting head 62 and a second engaging groove 632 matching with the ejector 5, the first engaging groove 631 and the second engaging groove 632 are generally T-shaped and penetrate through the limiting joint 63 along the horizontal direction, the bottom of the ejector 5 is provided with an engaging portion 52 matching with the second engaging groove 632, and the diameter of the engaging portion 52 is generally larger than that of the ejector 5. In the assembling process, the extending end of the piston rod of the first cylinder 61 is connected with the connector 62, the connector 62 is clamped in the first clamping groove 631 of the limiting connector 63, the clamping portion 52 of the ejector rod 5 is clamped in the second clamping groove 632 of the limiting connector 63, the assembling is convenient, and the stability is good.

Further, as shown in fig. 1 to 3, the working bottom plate 1 is provided with a plurality of positioning pins 8 matched with the fixing block 3, the fixing block 3 is provided with a plurality of positioning holes 31 matched with the positioning pins 8, each fixing block 3 is generally provided with two positioning holes 31, and the two positioning holes 31 are symmetrically located at two sides of the fixing block 3. When the fixed block 3 is installed on the working bottom plate 1, the fixed block 3 is firstly positioned through the positioning pin 8, and then is fastened through screws and the like, so that the position precision is high, and the stability is good.

Further, as shown in fig. 1 and 3, a plurality of lightening holes 21 are respectively formed in the two supporting blocks 2, the number of the lightening holes 21 is determined according to specific conditions, the lightening holes 21 penetrate through the supporting blocks 2 in the horizontal direction, so that not only the overall weight can be lightened, but also the device is convenient to move integrally, and the lower ends of the lightening holes 21 are also provided with first mounting holes 22 for connecting with corresponding external equipment, so that the operation is more convenient.

Further, as shown in fig. 3-5, be provided with first through-hole 32 on the fixed block 3, be provided with in the first through-hole 32 with the bloated tight post 4 matched with position sleeve 9 in the location, the lower extreme of the bloated tight post 4 in location passes the position sleeve 9 and fixes on work bottom plate 1, the top of position sleeve 9 has the second portion of inserting 91 with product 7 matched with, second portion of inserting 91 is located the top of fixed block 3 and its external diameter is less than the external diameter of position sleeve 9, the second portion of inserting 91 forms the step with the intersection of position sleeve 9 promptly, the location of the product 7 of being convenient for more like this is placed, and product 7 has certain distance with fixed block 3, thereby be convenient for the processing of product 7 more.

Further, as shown in fig. 5, stoppers 92 are respectively disposed on two sides of the bottom of the positioning sleeve 9, and two positioning grooves 33 matched with the stoppers 92 are disposed on the bottom of the fixing block 3, so that the installation is more convenient and the stability is better.

Further, as shown in fig. 3-5, the bottom of the first groove body 42 is flush with the top of the fixing block 3, so that the positioning expansion column 4 can better expand the product 7.

Further, as shown in fig. 3-5, the bottom of the positioning expansion column 4 is provided with an avoiding groove 43 matched with the ejector rod 5, so that the ejector rod 5 and the positioning expansion column 4 can be matched conveniently. Specifically, the avoidance groove 43 is coaxial with the tapered hole 41 and has a diameter larger than that of the ejector rod 5, and the top of the avoidance groove 43 is flush with the bottom of the second insertion portion 91, so that the effect is better.

The foregoing description is only illustrative of some embodiments of the present invention, and it should be understood that modifications and substitutions can be made by those skilled in the art without departing from the inventive concept, and all such modifications and substitutions should be considered within the scope of the appended claims.

Claims (10)

1. The product internal stay positioning device is characterized by comprising a working bottom plate (1), wherein two sides below the working bottom plate (1) are respectively connected with a supporting block (2), the working bottom plate (1) is provided with a plurality of fixed blocks (3), the fixed blocks (3) are vertically provided with positioning expansion columns (4), a plurality of jacking mechanisms (6) corresponding to the fixed blocks (3) are arranged below the working bottom plate (1), the jacking mechanisms (6) are positioned between the two supporting blocks (2), the extending ends of the jacking mechanisms (6) are upward and are connected with the lower ends of vertically arranged ejector rods (5), the upper ends of the ejector rods (5) penetrate through the working bottom plate (1) and the fixed blocks (3) and are first insertion parts (51) with gradually reduced diameters, and conical holes (41) matched with the first insertion parts (51) are arranged in the positioning expansion columns (4), taper hole (41) are run through along vertical direction location tight post (4) of expanding, the equipartition has a plurality of first cell body (42) that are linked together with the outside around taper hole (41), and is a plurality of first cell body (42) are passed along vertical direction the top of location tight post (4) of expanding, product (7) can overlap go up the location on the tight post (4) of expanding in the location, climbing mechanism (6) can promote ejector pin (5) upward movement, first portion of inserting (51) can be followed taper hole (41) upward movement is in order to lock on location tight post (4) of expanding product (7).

2. The product internal stay positioner of claim 1, characterized in that, climbing mechanism (6) includes first cylinder (61), first cylinder (61) pass through a plurality of spliced poles (64) and be connected with work bottom plate (1), the end that stretches out of first cylinder (61) is connected with connector (62), connector (62) pass through spacing joint (63) and be connected with the lower extreme of ejector pin (5).

3. The product internal stay positioner of claim 2, wherein the limit connector (63) is provided with a first clamping groove (631) matched with the connector (62) and a second clamping groove (632) matched with the ejector rod (5), and the bottom of the ejector rod (5) is provided with a clamping portion (52) matched with the second clamping groove (632).

4. The product internal stay positioner according to claim 1, wherein a plurality of locating pins (8) matched with the fixed block (3) are arranged on the working bottom plate (1), and a plurality of locating holes (31) matched with the locating pins (8) are arranged on the fixed block (3).

5. A product internal stay positioning device as claimed in claim 1, wherein a plurality of lightening holes (21) are respectively formed on two supporting blocks (2), the lightening holes (21) penetrate through the supporting blocks (2) along the horizontal direction, and the lower ends of the lightening holes (21) are provided with first mounting holes (22) for connecting with corresponding external equipment.

6. The product internal stay positioning device according to any one of claims 1 to 5, wherein the fixing block (3) is provided with a first through hole (32), the first through hole (32) is provided with a positioning sleeve (9) matched with the positioning expansion column (4), the lower end of the positioning expansion column (4) passes through the positioning sleeve (9) to be fixed on the working bottom plate (1), the top of the positioning sleeve (9) is provided with a second insertion part (91) matched with the lower end of the product (7), and the second insertion part (91) is positioned above the fixing block (3) and has an outer diameter smaller than the outer diameter of the positioning sleeve (9).

7. A product internal stay positioner according to claim 6, characterized in that, the bottom both sides of position sleeve (9) are provided with dog (92) respectively, the bottom of fixed block (3) is provided with two constant head tanks (33) with two cooperation of dog (92).

8. A product internal stay positioner as claimed in claim 6, wherein the bottom of the first slot (42) is flush with the top of the fixing block (3).

9. A product internal stay positioning device as claimed in claim 6, wherein the bottom of the positioning expansion column (4) is provided with an avoiding groove (43) matched with the top bar (5).

10. A product internal stay positioning device as claimed in claim 9, wherein the avoiding groove (43) is concentric with the tapered hole (41) and has a diameter larger than the diameter of the top bar (5), and the top of the avoiding groove (43) is flush with the bottom of the second insertion portion (91).