CN113814687A

CN113814687A - Automatic positioning piece press-fitting device and positioning piece press-fitting method

Info

Publication number: CN113814687A
Application number: CN202111027022.3A
Authority: CN
Inventors: 秦文刚; 张趁趁
Original assignee: Jiangsu Mingwen Tool Technology Co ltd
Current assignee: Jiangsu Mingwen Tool Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-12-21
Anticipated expiration: 2041-09-02
Also published as: CN113814687B

Abstract

The invention discloses an automatic positioning piece press-fitting device and a positioning piece press-fitting method, the device comprises a rack, an automatic feeding mechanism, a discharging mechanism and a pressure head, the automatic feeding mechanism comprises a charging barrel, a stirrer, a conveying pipe and a discharging frame, the stirrer is arranged at the bottom in the charging barrel, at least one discharging hole is arranged at the bottom of the charging barrel, the conveying pipe is arranged corresponding to the discharging hole of the charging barrel, the discharging frame is provided with a feeding hole and a discharging column, one end of the conveying pipe is connected with the discharging hole of the charging barrel, the other end of the conveying pipe is connected with the feeding hole of the discharging frame, the discharging column is of a hollow structure and is communicated with the feeding hole, and the discharging frame is fixedly arranged on the top surface of a middle pressure plate of the rack. According to the automatic press-fitting device, the positioning piece can be automatically blanked through the charging barrel and the stirrer, the positioning piece can be automatically transmitted through the conveying pipe, the positioning piece is ejected out to the pressing head through the discharging frame matched with the discharging mechanism, and the positioning piece is pressed and mounted on the workpiece through the pressing head, so that the automatic press-fitting of the positioning piece is realized, and the press-fitting efficiency of the positioning piece is greatly improved.

Description

Automatic positioning piece press-fitting device and positioning piece press-fitting method

Technical Field

The invention relates to a press-fitting device, in particular to an automatic press-fitting device and a press-fitting method for a positioning piece.

Background

The existing tool product is provided with a workpiece, a positioning structure is designed on the workpiece, and the positioning structure can be positioned in a spring and steel ball mode or other elastic positioning pieces; as shown in fig. 1, a schematic structural diagram of a workpiece 10 (shown in the figure as an aluminum cover) is provided, a plurality of ball holes 101 are formed in the workpiece, a spring and a steel ball are placed in each ball hole, the steel ball is constrained in the ball hole of the workpiece by using a tool, so that the steel ball cannot fall off, the press-fitting depth and the press-in pressure of the steel ball are difficult to control, certain instability is brought to the quality of the workpiece, and the positioning piece is pressed manually, so that the efficiency is low, and the precision is poor.

Disclosure of Invention

The invention aims to provide an automatic positioning part press-fitting device and a positioning part press-fitting method, which can improve the quality stability of workpieces and improve the machining efficiency.

In order to achieve the above purpose, the solution of the invention is:

an automatic press-fitting device for a positioning piece comprises a rack, an automatic feeding mechanism, a discharging mechanism and a pressure head;

the rack comprises an upper pressing plate, a middle pressing plate and a lower pressing plate which are arranged at intervals, and the workpiece is fixedly arranged on the top surface of the middle pressing plate;

the automatic feeding mechanism comprises a charging barrel, a stirrer, a conveying pipe and a discharging frame, wherein the stirrer is arranged at the bottom in the charging barrel, and the bottom of the charging barrel is provided with at least one discharging hole; the conveying pipe is arranged corresponding to the discharge hole of the material barrel, the discharging frame is provided with a feed inlet and a discharging column, one end of the conveying pipe is connected with the discharge hole of the material barrel, the other end of the conveying pipe is connected with the feed inlet of the discharging frame, the discharging column is of a hollow structure and is communicated with the feed inlet, the discharging frame is fixedly arranged on the top surface of a middle pressing plate of the rack, and a through hole penetrating through the upper end and the lower end of the middle pressing plate is arranged on the discharging column of the middle pressing plate corresponding to the discharging frame;

the discharging mechanism is arranged on the lower pressing plate and comprises a push rod and a driving mechanism, the push rod and the driving mechanism are arranged corresponding to the discharging column of the discharging frame, and the driving mechanism drives the push rod to move up and down and penetrate through the through hole of the middle pressing plate to push out the positioning piece positioned in the discharging column upwards;

the pressure head comprises a pressure head body, an installation part and a moving mechanism, the installation part is arranged at the bottom of the pressure head body, and the moving mechanism is arranged on the bottom surface of an upper pressure plate of the rack and moves between the discharge frame and the workpiece.

The number of the positioning pieces needing press mounting on the workpiece is the same as the number of the mounting parts on the pressure head, the number of the discharging columns on the discharging frame, the number of push rods on the discharging mechanism and the number of the discharge holes of the conveying pipe and the charging barrel; the ball holes for installing the positioning pieces on the workpiece correspond to a plurality of installation parts distributed on the pressure head, a plurality of push rod distribution positions of the discharging mechanism and a plurality of discharging columns distribution positions of the discharging frame.

The machine frame further comprises an upper guide rod and a lower guide rod, the upper guide rod is arranged between the top surface of the middle press plate and the upper press plate, the upper press plate can slide up and down along the guide rod, the lower guide rod is arranged between the bottom surface of the middle press plate and the lower press plate, and the workpiece and the discharge frame are arranged on the top surface of the middle press plate at intervals.

The bottom of the charging barrel is provided with a plurality of discharge ports, the stirrer is arranged at the bottom position in the charging barrel and provided with a plurality of axially through material guide holes which are arranged at equal intervals along the axial direction of the stirrer.

The stirrer is provided with a guide section which is obliquely arranged on one side corresponding to the rotating direction of each material guide hole, and a retainer ring which is higher than the material guide holes is arranged on one side of each material guide hole and the guide section.

Above-mentioned play work or material rest has ejection of compact support, and ejection of compact support's periphery is equipped with the feeding that corresponds feed cylinder discharge gate quantity and connects, and the feeding connects and is equipped with a feed inlet, each feeding connect a intercommunication ejection of compact post, a plurality of ejection of compact posts are vertical equidistant interval and set up on ejection of compact support.

When the push rod of the discharging mechanism is not ejected upwards, the top end of the push rod is flush with the lowest height of the feeding interface.

The one end that above-mentioned feeding connects and duct connections is great domatic for the range, forms the plane between domatic bottom to the ejection of compact post, and domatic and plane circular arc are excessive, and the setting element is carried to the feed inlet that the feeding connects after from the conveyer pipe, and the back is slowed down in the inflow plane, and the setting element of foremost flows in to the ejection of compact post on push rod top.

The installation department of above-mentioned pressure head is equipped with the hole that is used for placing magnet, and magnet inlays admittedly in the hole, and the junction of hole and installation department lower extreme face forms the setting element of arc type and places the district, and the lower extreme off-plate periphery of installation department is equipped with a plurality of spacing card walls that are equidistant interval setting, and the inner wall of a plurality of spacing card walls is the inclined plane.

A positioning piece press-fitting method using the automatic positioning piece press-fitting device comprises the following steps:

step A: placing a plurality of positioning pieces in the charging barrel;

and B: the stirrer rotates to enable the positioning piece to move and fall into the discharge hole of the charging barrel, and the positioning piece is conveyed to the feed hole of the discharge frame through the conveying pipe;

and C: the positioning piece positioned at the front end of the feeding hole enters the discharging column;

step D: a push rod of the discharging mechanism jacks up the positioning piece from the positioning column to the mounting part of the positioning piece pressing head;

step E: the moving mechanism of the pressure head drives the pressure head and the positioning piece on the pressure head to move to the upper part of the workpiece;

step F: the upper pressure plate drives the pressure head to press down to press the positioning piece on the installation part into the ball hole of the workpiece, and pressing is completed.

After the structure is adopted, the automatic blanking of the positioning piece can be realized through the charging barrel and the stirrer, the automatic transmission of the positioning piece is realized through the conveying pipe, the positioning piece is ejected to the pressing head through the discharging frame matched with the discharging mechanism, and the positioning piece is pressed on the workpiece through the pressing head, so that the automatic pressing of the positioning piece is realized. Compared with the existing manual or semi-automatic press fitting positioning piece, the press fitting device can greatly improve the press fitting efficiency of the positioning piece, and can ensure the press fitting precision and further ensure the stability of the workpiece by utilizing the automatic press fitting of the device.

Drawings

FIG. 1 is a schematic view of a prior art construction of a workpiece;

FIG. 2 is a schematic perspective view of an automatic press-fitting device for positioning members according to the present invention;

FIG. 3 is a cross-sectional view of the automatic press mounting device for a positioning member of the present invention, wherein the press head corresponds to the discharge frame;

FIG. 4 is a cross-sectional view of the automatic press mounting device for positioning members according to the present invention, showing the pressing head moving above the workpiece;

FIG. 5 is a cross-sectional view showing the pressing down of the upper platen in the automatic press-fitting apparatus for positioning members of the present invention;

FIG. 6 is a schematic perspective view of an automatic feeding mechanism in the automatic press-fitting device for positioning members according to the present invention;

FIG. 7 is a side view of an automatic feed mechanism in the automatic press fitting apparatus for spacers according to the present invention;

FIG. 8 is a top view of the automatic feed mechanism of the automatic press-fitting apparatus for spacers according to the present invention;

FIG. 9 is a sectional view of an automatic feed mechanism in the automatic press fitting apparatus for setting elements according to the present invention;

fig. 10 is a sectional view of a mounting portion of a pressing head in the automatic press-fitting apparatus for a spacer according to the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 2 to 9, the invention provides an automatic press-fitting device for a positioning element, which comprises a rack 1, an automatic feeding mechanism 2, a discharging mechanism 3 and a press head 4. In the present invention, the workpiece 5 is an aluminum cap, and the positioning member 6 is a steel ball.

The rack 1 comprises an upper pressing plate 1A, a middle pressing plate 1B and a lower pressing plate 1C which are arranged at intervals, and a workpiece 5 is fixedly arranged on the top surface of the middle pressing plate 1B.

Automatic feed mechanism 2 includes feed cylinder 2A, agitator 2B, conveyer pipe 2C and goes out work or material rest 2D, agitator 2B sets up in feed cylinder 2A's bottom, and feed cylinder 2A's bottom is equipped with an at least discharge gate 2E, conveyer pipe 2C corresponds feed cylinder 2A's discharge gate 2E setting, it has feed inlet 2F and ejection of compact post 2G to go out work or material rest 2D, and feed cylinder 2A's discharge gate 2E is connected to conveyer pipe 2C's one end, and work or material rest 2D's feed inlet 2F is connected to conveyer pipe 2C's the other end, ejection of compact post 2G is hollow structure and intercommunication feed inlet 2F, goes out the fixed setting of work or material rest 2D on the top surface of the intermediate pressing board 1B of frame, intermediate pressing board 1B corresponds ejection of compact post 2G of ejection of play work or material rest 2D and is provided with the through-hole of having a perfect understanding the upper and lower extreme on intermediate pressing board 1B.

Discharging mechanism 3 sets up on holding down plate 1C, including push rod 3A and the actuating mechanism 3B that corresponds ejection of compact post 2G setting of play work or material rest 2D, push rod 3A corresponds the through-hole setting of well clamp plate 1B, and actuating mechanism 3B drive push rod 3A reciprocates, and the through-hole that passes well clamp plate 1B will be located the setting element 6 of ejection of compact post 2G and up release.

The pressure head 4 comprises a pressure head body 4A, an installation part 4B and a moving mechanism 4C, wherein the pressure head body 4A is arranged on the moving mechanism 4C, the installation part 4B is arranged at the bottom of the pressure head body 4A, and the moving mechanism 4C is arranged on the bottom surface of an upper pressure plate 1A of the rack 1 and can move between a discharge frame 2D and a workpiece 5.

The number of the positioning pieces 6 needing press mounting on the workpiece 5 is the same as the number of the mounting parts 4B on the pressure head 4, the number of the discharging columns 2G on the discharging frame 2D, the number of the push rods 3A on the discharging mechanism 3, the number of the conveying pipes 2C and the number of the discharging holes 2E of the charging barrel 2A. A plurality of locating part 6 pressure equipment positions on the work piece 5 and a plurality of installation department 4B positions, a plurality of push rod 3A distribution positions of discharge mechanism 3 that distribute on the pressure head 4 and a plurality of ejection of compact post 2G distribution positions of ejection of compact frame 2D are corresponding, so set up the degree of accuracy that can ensure locating part 6 pressure equipment when work piece 5.

Frame 1 still includes upper guide arm 1D and lower guide arm 1E, and upper guide arm 1D sets up between the top surface of well clamp plate 1B and upper press plate 1A, and upper press plate 1A can slide from top to bottom along the guide arm, and lower guide arm 1E sets up between the bottom surface of well clamp plate 1B and lower clamp plate 1C, work piece 5 sets up the top surface at well clamp plate 1B with play work rest 2D interval, the moving mechanism 4C of pressure head 4 is including can be in the gliding slide 4D of upper press plate 1A bottom surface and the gliding motor of drive slide 4D (not shown in the figure), and after the installation department 4B of pressure head 4 has adorned setting element 6, the slide 4D of motor drive pressure head 4 slides in the bottom surface of upper press plate 1A. The moving mechanism 4C of the ram 4 may be a robot.

Feed mechanism 2's feed cylinder 2A is higher than play work or material rest 2D, makes conveyer pipe 2C be the slope setting, makes things convenient for conveyer pipe 2C to convey the feed inlet 2F that goes out work or material rest 2A accessible sets up the bottom support and erects feed cylinder 2A high, perhaps sets up the mode that hangs that the portion 2N made feed cylinder 2A hang the eminence through hanging in one side of feed cylinder 2A as shown in fig. 2 to 9.

The bottom of feed cylinder 2A sets up a plurality of discharge gates 2E, agitator 2B sets up the bottom position in feed cylinder 2A, agitator 2B is equipped with an axial through's guide hole 2H at least, the guide hole 2H preferred can be provided with a plurality ofly, a plurality of guide holes 2H are along the equidistant interval arrangement of agitator 2B axial, when agitator 2B is rotatory to certain phase place, guide hole 2H can be relative with the discharge gate 2E of feed cylinder 2A bottom, make setting element 6 in the guide hole 2H fall into in the discharge gate 2E, agitator 2B's rotary power can be the manpower, the motor or produce some air supplies etc. of line. In order to facilitate the setting element 6 to get into the guide hole 2H, the agitator 2B is equipped with the guide section 2I that an slope set up corresponding to each guide hole 2H's direction of rotation one side, one side of guide hole 2H and guide section 2I is equipped with a retaining ring 2J that is higher than guide hole 2H, when agitator 2B is rotatory, setting element 6 gets into to guide hole 2H from guide section 2I in, under retaining ring 2J's backstop effect, avoid being located the setting element 6 in guide hole 2H and throw away from guide hole 2H by the rotatory power that makes of agitator 2B.

The delivery tube 2C comprises an input end 2K, linkage segment 2L and output 2M, input K is in the same place with 2E's of feed cylinder 2A discharge gate grafting cooperation, the other end of input 2K links together with linkage segment 2L's top, the relative linkage segment of input 2K upwards buckles and connects feed cylinder 2A, make input 2K and linkage segment 2L's junction form first kink, linkage segment 2L is the slope setting, linkage segment 2L's bottom links together with output 2M's top, linkage segment 2L forms the second kink with output 2M, the relative linkage segment 2L of output 2M buckles down, output 2M's bottom and play work or material rest 2D grafting cooperation are in the same place, set up first kink and second kink and can make conveyer pipe 2C both can realize being connected with feed cylinder 2A and play work or material rest 2D, also can realize the transport of interior location of conveyer pipe 2C piece 6. To ensure a smooth transport of the positioning element 6 within the transport pipe 2C, the inner diameter of the transport pipe 2C is typically set to 1-2 times the outer diameter of the positioning element 6. In order to observe the remaining situation of the positioning member 6 in the delivery pipe 2C at any time, the delivery pipe 2C is usually made of a transparent material partially or entirely.

Go out work or material rest 2D and have ejection of compact support 2O, ejection of compact support 2O's periphery is equipped with the feeding joint 2P that corresponds feed cylinder 2A discharge gate 2E quantity, and the feeding joint 2P is equipped with feed inlet 2F, each feeding joint 2P intercommunication a discharge column 2G, a plurality of discharge columns 2G are vertical equidistant interval and set up on ejection of compact support 2O, and the many push rods 3A of the discharge mechanism 3 of being convenient for up ejecting in with setting element 6 follow discharge column 2G. In order to ensure that only one positioning element 6 flows into the discharging column 2G from the feeding joint 2P at each time, when the push rod 3A of the discharging mechanism 3 is not ejected upwards, the top end of the push rod 3A is flush with the lowest height of the feeding joint 2P. Get into the setting element 6 in the ejection of compact post 2G for better control, the one end that the feeding connects 2P and conveyer pipe 2C to be connected is the great domatic 2Q of range, and domatic 2Q's bottom forms plane 2R to ejection of compact post 2G, and domatic 2Q is excessive with plane 2R circular arc, and setting element 6 carries to the feed inlet 2F back that the feeding connects 2P from conveyer pipe 3C, flows into plane 2R and slows down the back, and setting element 6 at foremost flows into in the ejection of compact post 2G on push rod 3A top. In order to facilitate observing the condition of the residual materials in the discharging rack 2D at any time, the discharging rack 2D is made of transparent materials locally or integrally.

Installation department 4B of pressure head 4 is equipped with the hole 4E that is used for placing magnet, magnet inlays admittedly and is used for adsorbing setting element 6 in hole 4E, the junction of terminal surface forms the setting element of arc type and places district 4F under hole 4E and installation department 4B, in order to fix a position setting element 6, the protruding a plurality of spacing block walls 4G that are equidistant interval setting that are equipped with of lower extreme off-plate periphery of installation department 4B, and the inner wall of a plurality of spacing block walls 4G is inclined plane 4H, the protruding height that stretches out the terminal surface down of a plurality of spacing block walls 4G and the suppression height on inclined plane are relevant with setting element 6, can design several heads according to actual suppression height and change, guarantee that the ball hole diameter shrinkage of work piece 5 is controllable under the certain suppression depth, and then guarantee the height that exposes of setting element 6.

The invention also provides a method for pressing the positioning piece by using the automatic positioning piece pressing device, which comprises the following steps:

step A: placing a plurality of positioning members 6 in the barrel 2A;

and B: the stirrer 2B rotates to guide the positioning piece 6 into the material guide hole 2H, when the material guide hole 2H corresponds to the material outlet 2E of the charging barrel 2A, the positioning piece 6 falls into the material outlet 2E of the charging barrel 2A from the material guide hole 2H and is conveyed to the material inlet 2F of the material outlet frame 2D through the conveying pipe 2C;

and C: the positioning piece 6 positioned at the front end of the feed inlet 2F enters the discharge column 2G;

step D: a push rod 3A of the discharging mechanism 3 jacks up the positioning piece 6 from the positioning column 2G to the mounting part 4B of the pressing head 4 of the positioning piece 6, so that the magnet of the mounting part 4B adsorbs the positioning piece 6;

step E: the moving mechanism 4C of the pressure head 4 drives the pressure head 4 and the positioning piece 6 thereon to move to the upper part of the workpiece 5;

step F: the upper pressure plate 1A drives the pressure head 4 to move downwards along the upper guide rod 1D, and the positioning piece 6 on the mounting part 4B is pressed into the ball hole of the workpiece 5, so that the pressing of the positioning piece 6 is completed;

step G: the upper pressing plate 1A drives the pressing head 4 to move upwards to a preset position along the upper guide rod 1D again, and the moving mechanism 4C of the pressing head 4 drives the pressing head 4 to return to the position above the discharging mechanism 3;

step H: taking down the workpiece 5 with the positioning piece 6, and replacing the workpiece 5 to be loaded to the workpiece mounting position of the middle pressing plate 1B;

and repeating the steps B to H.

The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.

Claims

1. The utility model provides an automatic pressure equipment device of setting element which characterized in that: comprises a frame, an automatic feeding mechanism, a discharging mechanism and a pressure head;

2. The automatic press-fitting device for positioning members as claimed in claim 1, wherein: the number of the positioning pieces needing press mounting on the workpiece is the same as the number of the mounting parts on the pressure head, the number of the discharging columns on the discharging frame, the number of push rods on the discharging mechanism and the number of the discharge holes of the conveying pipe and the charging barrel; the ball holes for installing the positioning pieces on the workpiece correspond to a plurality of installation parts distributed on the pressure head, a plurality of push rod distribution positions of the discharging mechanism and a plurality of discharging columns distribution positions of the discharging frame.

3. The automatic press-fitting device for positioning members as claimed in claim 1 or 2, wherein: the machine frame further comprises an upper guide rod and a lower guide rod, the upper guide rod is arranged between the top surface of the middle press plate and the upper press plate, the upper press plate can slide up and down along the guide rod, the lower guide rod is arranged between the bottom surface of the middle press plate and the lower press plate, and the workpiece and the discharge frame are arranged on the top surface of the middle press plate at intervals.

4. The automatic press-fitting device for positioning members as claimed in claim 1, wherein: the bottom of feed cylinder sets up a plurality of discharge gates, the agitator sets up the bottom position in the feed cylinder, and the agitator is equipped with a plurality of guide holes that the axial link up, and a plurality of guide holes are arranged along agitator axial equidistant interval.

5. The automatic press-fitting device for positioning members as claimed in claim 4, wherein: one side of the stirrer corresponding to the rotating direction of each material guide hole is provided with a guide section which is obliquely arranged, and one side of each material guide hole and one side of each guide section are provided with a check ring which is higher than the material guide holes.

6. The automatic press-fitting device for positioning members as claimed in claim 1, wherein: go out the work or material rest and have ejection of compact support, ejection of compact support's periphery is equipped with the feeding that corresponds feed cylinder discharge gate quantity and connects, and the feeding connects and is equipped with a feed inlet, each feeding connect a intercommunication ejection of compact post, a plurality of ejection of compact posts are vertical equidistant interval and set up on ejection of compact support.

7. The automatic press-fitting device for positioning members as claimed in claim 6, wherein: when the push rod of the discharging mechanism is not ejected upwards, the top end of the push rod is flush with the lowest height of the feeding interface.

8. The automatic press-fitting device for positioning members as claimed in claim 6, wherein: the one end that the feeding connects and duct connections is great domatic for the range, forms the plane between domatic bottom to the ejection of compact post, and domatic and plane circular arc are excessive, and the setting element is carried to the feed inlet that the feeding connects after from the conveyer pipe, flow in the plane and decelerate, and the setting element of foremost flows in to the ejection of compact post on push rod top in.

9. The automatic press-fitting device for positioning members as claimed in claim 1, wherein: the installation department of pressure head is equipped with the hole that is used for placing magnet, and magnet inlays admittedly at the hole, and the junction of hole and installation department lower extreme face forms the setting element of arc type and places the district, and the lower extreme off-plate week of installation department is protruding to be equipped with a plurality of spacing block walls that are equidistant interval setting, and the inner wall of a plurality of spacing block walls is the inclined plane.

10. A spacer press-fitting method using the automatic spacer press-fitting device according to claim 1, characterized by comprising the steps of:

step A: placing a plurality of positioning pieces in the charging barrel;