CN218224198U

CN218224198U - Bottom dead center precision detection device for press

Info

Publication number: CN218224198U
Application number: CN202221843992.0U
Authority: CN
Inventors: 刘彦凯; 冼纪元
Original assignee: Dalian Chengji Mechanical And Electrical Equipment Co ltd
Current assignee: Dalian Chengji Mechanical And Electrical Equipment Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-01-06
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a bottom dead center precision detection device for press, including mounting panel and L type mounting bracket and detector, the workstation side at the press is installed to the mounting panel, the side bottom at the holding down plate of press is installed to L type mounting bracket, the elevating system who is used for height-adjusting is installed at the top of mounting panel, elevating system is including the lifter, the lifter is close to workstation one end and installs proximity switch, L type mounting bracket is close to elevating system one side and installs the response piece, proximity switch realizes with the detector that the electricity is connected, can effectively improve the precision that detects press bottom dead center, and the response piece frequently contacts with proximity switch, and the precision data of press passes through proximity switch signal of telecommunication on to the detector, and the precision of holding down plate when moving to bottom dead center of press is appraised through data analysis, is applicable to the press bottom dead center precision detection of the many, high part punching press of punching press number of times.

Description

Bottom dead center precision detection device for press

Technical Field

The utility model relates to a press precision detection field, concretely relates to bottom dead center precision detection device for press.

Background

Along with the higher and higher requirements on the precision of the stamping parts, the precision of the stamping parts is reflected in the precision of the bottom dead center of the press, so that the precision of the press at the bottom dead center is required to be controlled, and qualified parts are stamped.

At present, for parts with low stamping times and low stamping precision requirement of a press, the maximum die filling height of a slide block is mainly adjusted to control the precision of the bottom dead center of the press, and for the stamping of the precision parts with high stamping times, the precision of the press at the bottom dead center is detected and control measures are taken on the press.

Therefore, it is necessary to solve the above problems by the bottom dead center accuracy detecting apparatus for a press machine of the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bottom dead center precision detection device for press to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions:

bottom dead center precision detection device for press, including mounting panel and L type mounting bracket and detector, the workstation side at the press is installed to the mounting panel, the side bottom at the holding down plate of press is installed to L type mounting bracket, the elevating system who is used for height-adjusting is installed at the top of mounting panel, elevating system is including the lifter, the lifter is close to workstation one end and installs proximity switch, L type mounting bracket is close to elevating system one side and installs the response piece, proximity switch realizes the electricity with the detector and is connected.

Preferably, elevating system is including base column and adjusting knob, the base column is hollow structure and is provided with the sliding tray near workstation one side, the interior bottom of base column is rotated and is connected and install the lead screw, install the screw on the lead screw, one side of screw is connected with the lifter, the lifter runs through from the sliding tray, driven bevel gear is installed to the bottom of lead screw, the adjusting knob is installed and is kept away from workstation one side bottom at the base column, the adjusting knob is connected with the drive bevel gear and runs through to inside the base column, drive bevel gear and driven bevel gear perpendicular and meshing.

Preferably, the side edge of the adjusting button is provided with an anti-slip knurl.

Preferably, positioning mechanism is installed to the base member post side at adjusting knob top, positioning mechanism is including holding the casing, hold casing internally mounted and have compression spring and fly leaf, compression spring is located the top of fly leaf, the push rod is installed to the fly leaf bottom, the arc locating piece is installed to the bottom of push rod, the push rod runs through to the outside from holding casing bottom department.

Preferably, the inner diameter of the arc-shaped positioning block is the same as the diameter of the adjusting button, and an anti-skidding rubber pad is pasted on one surface, close to the adjusting button, of the arc-shaped positioning block.

Preferably, all install two positioning bolt on mounting panel and the L type mounting bracket, all fixed through two positioning bolt between mounting panel and workstation and L type mounting bracket and the lower pressure plate, just the gasket is all installed to positioning bolt fixed department.

Preferably, L-shaped positioning blocks are installed on two sides of the installation plate and are in contact with the workbench.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the precision of detecting the bottom dead center of the press can be effectively improved through the matching of the induction block, the proximity switch and the detector; firstly, mounting a mounting plate and an L-shaped mounting frame on one side of a workbench of a press machine and one side of the bottom of a lower pressing plate respectively, then when detecting the bottom dead center of the press machine, namely the lower pressing plate on the press machine drives the L-shaped mounting frame to move up and down, an induction block is frequently contacted with a proximity switch, precision data of the press machine is transmitted to a detector through an electric signal of the proximity switch, and the precision of the lower pressing plate of the press machine when the lower pressing plate of the press machine runs to the bottom dead center is identified through data analysis, so that the method is suitable for detecting the precision of the bottom dead center of the press machine for stamping parts with multiple stamping times and high precision;

2. the height of the proximity switch can be adjusted through the lifting mechanism, so that the distance between the proximity switch and the induction block is changed, variable detection can be performed, and the bottom dead center precision of the press machine can be accurately detected.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a plan sectional view of the whole structure of the present invention;

FIG. 3 is a bottom perspective view of the overall structure of the present invention;

fig. 4 is a three-dimensional sectional view of the positioning mechanism of the present invention.

Description of reference numerals:

1. a work table; 2. a lower pressing plate; 3. an L-shaped mounting bracket; 4. mounting a plate; 5. an induction block; 6. a proximity switch; 7. a lifting mechanism; 8. a positioning mechanism; 9. positioning a bolt; 10. a detector; 41. an L-shaped positioning block; 71. a substrate column; 72. a screw rod; 73. a driven bevel gear; 74. a drive bevel gear; 75. an adjusting knob; 76. a lifting rod; 77. a nut; 711. a sliding groove; 81. a housing case; 82. a compression spring; 83. a movable plate; 84. a push rod; 85. an arc-shaped positioning block; 91. and (7) a gasket.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a bottom dead center precision detection device for press machine as shown in fig. 1-4, including mounting panel 4 and L type mounting bracket 3 and detector 10, mounting panel 4 is installed at the workstation 1 side of press, L type mounting bracket 3 is installed at the side bottom of lower pressure plate 2 of press, elevating system 7 for height-adjusting is installed at the top of mounting panel 4, elevating system 7 is including lifter 76, lifter 76 is close to workstation 1 one end and is installed proximity switch 6,L type mounting bracket 3 and is close to elevating system 7 one side and install sensing block 5, proximity switch 6 realizes the electricity with detector 10 and is connected, through the cooperation of sensing block 5 and proximity switch 6 and detector 10, can effectively improve the precision to the detection of press machine bottom dead center; at first 1 one side and the 2 bottom side-mountings of holding down plate of workstation of press are respectively installed with mounting panel 4 and L type mounting bracket 3, later when examining the press bottom dead center, holding down plate 2 on the press drives L type mounting bracket 3 up-and-down motion promptly, response piece 5 and proximity switch 6 frequent contact, the precision data of press passes through proximity switch 6 signal transmission to detector 10 on, the precision of holding down plate 2 when moving the bottom dead center of press is appraised through data analysis, be applicable to that the punching press number of times is many, the press bottom dead center precision detection of the part punching press that precision is high.

The working table 1 and the lower pressing plate 2 are existing parts of the press, and the proximity switch 6 can be connected with the detector 10 through a lead.

Further, in the above technical solution, the lifting mechanism 7 includes a base column 71 and an adjusting button 75, the base column 71 is a hollow structure and is provided with a sliding groove 711 on one side close to the workbench 1, the inner bottom of the base column 71 is rotatably connected with a lead screw 72, the lead screw 72 is provided with a nut 77, one side of the nut 77 is connected with a lifting rod 76, the lifting rod 76 penetrates through the sliding groove 711, the bottom of the lead screw 72 is provided with a driven bevel gear 73, the adjusting button 75 is installed on the bottom of one side of the base column 71 away from the workbench 1, the adjusting button 75 is connected with a driving bevel gear 74 and penetrates into the base column 71, and the driving bevel gear 74 is perpendicular to and meshed with the driven bevel gear 73;

specifically, by rotating the adjusting knob 75, the driving bevel gear 74 is engaged with the driven bevel gear 73 for transmission, so that the screw 72 rotates, the nut 77 drives the lifting rod 76 to lift, the height of the proximity switch 6 is adjusted, the distance between the proximity switch 6 and the sensing block 5 is changed, and variable detection can be performed.

Further, in the above technical solution, the side edge of the adjusting knob 75 is provided with an anti-slip knurl;

specifically, through the rotation that can be better on the one hand of antiskid annular knurl, prevent that the hand is smooth, and increase the frictional resistance when contacting with arc locating piece 85, the better fixed of arc locating piece 85 of being convenient for.

Further, in the above technical solution, a positioning mechanism 8 is installed at a side of the base column 71 at the top of the adjusting button 75, the positioning mechanism 8 includes an accommodating housing 81, a compression spring 82 and a movable plate 83 are installed inside the accommodating housing 81, the compression spring 82 is located at the top of the movable plate 83, a push rod 84 is installed at the bottom of the movable plate 83, an arc-shaped positioning block 85 is installed at the bottom of the push rod 84, and the push rod 84 penetrates from the bottom of the accommodating housing 81 to the outside;

specifically, when the adjusting knob 75 needs to be rotated, the arc-shaped positioning block 85 is pushed upward first, and after the position of the proximity switch 6 is fixed, the movable plate 83 moves downward by the action of the compression spring 82, so that the arc-shaped positioning block 85 fixes the adjusting knob 75.

Further, in the above technical solution, the inner diameter of the arc-shaped positioning block 85 is the same as the diameter of the adjusting button 75, and an anti-slip rubber pad is attached to one surface of the arc-shaped positioning block 85, which is close to the adjusting button 75;

specifically, after the arc-shaped positioning block 85 is in contact with the adjusting button 75, better fixation can be achieved through the anti-slip rubber pad.

Further, in the above technical solution, two positioning bolts 9 are respectively installed on the installation plate 4 and the L-shaped installation frame 3, the installation plate 4 and the workbench 1 and the L-shaped installation frame 3 and the lower press plate 2 are fixed by the two positioning bolts 9, and the fixing positions of the positioning bolts 9 are respectively installed with a gasket 91;

specifically, the positioning bolt 9 can facilitate installation and disassembly, and the gasket 91 can increase the stability of connection.

Further, in the above technical solution, both sides of the mounting plate 4 are mounted with L-shaped positioning blocks 41, and the L-shaped positioning blocks 41 are both in contact with the worktable 1;

specifically, when the mounting plate 4 is in butt joint with the workbench 1, the L-shaped positioning block 41 is pushed to one side of the workbench 1, and when the L-shaped positioning block 41 contacts with the top and the side of the workbench 1, the mounting plate 4 can be positioned in the vertical section direction, so that the sensing block 5 can contact the proximity switch 6.

This practical theory of operation:

firstly install mounting panel 4 and L type mounting bracket 3 respectively in workstation 1 one side and holding down plate 2 bottom one side of press, later when detecting the press bottom dead center, i.e. holding down plate 2 on the press drives L type mounting bracket 3 up-and-down motion, response piece 5 frequently contacts with proximity switch 6, the precision data of press passes through proximity switch 6 signal transmission to detector 10 on, the precision of holding down plate 2 when moving to the bottom dead center of press is appraised through data analysis, and through rotating adjusting knob 75, thereby make drive bevel gear 74 mesh driven bevel gear 73 transmission, and then make lead screw 72 rotate, screw 77 takes lifter 76 to go up and down, thereby realize proximity switch 6 height's regulation, thereby change the interval between proximity switch 6 and the response piece 5, can carry out variable detection.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. Bottom dead center precision detection device for press, including mounting panel (4) and L type mounting bracket (3) and detector (10), its characterized in that: install workstation (1) side at the press in mounting panel (4), the side bottom at the holding down plate (2) of press is installed in L type mounting bracket (3), elevating system (7) that are used for height-adjusting are installed at the top of mounting panel (4), elevating system (7) are including lifter (76), proximity switch (6) are installed near workstation (1) one end in lifter (76), L type mounting bracket (3) are close to elevating system (7) one side and install response piece (5), proximity switch (6) are realized the electricity with detector (10) and are connected.

2. The bottom dead center accuracy detecting device for a press machine according to claim 1, characterized in that: elevating system (7) are including base column (71) and adjusting knob (75), base column (71) are hollow structure and are provided with sliding tray (711) near workstation (1) one side, the interior bottom of base column (71) is rotated to connect and is installed lead screw (72), install screw (77) on lead screw (72), one side of screw (77) is connected with lifter (76), lifter (76) run through from sliding tray (711), driven bevel gear (73) are installed to the bottom of lead screw (72), adjusting knob (75) are installed and are kept away from workstation (1) one side bottom in base column (71), adjusting knob (75) are connected with drive bevel gear (74) and run through to inside base column (71), drive bevel gear (74) and driven bevel gear (73) are perpendicular and mesh.

3. The bottom dead center accuracy detecting device for a press machine according to claim 2, characterized in that: the side edge of the adjusting button (75) is provided with an anti-skidding knurl.

4. The bottom dead center accuracy detecting device for a press machine according to claim 2, characterized in that: positioning mechanism (8) are installed to base member post (71) side at adjusting knob (75) top, positioning mechanism (8) are including holding casing (81), hold casing (81) internally mounted have compression spring (82) and fly leaf (83), compression spring (82) are located the top of fly leaf (83), push rod (84) are installed to fly leaf (83) bottom, arc locating piece (85) are installed to the bottom of push rod (84), push rod (84) are run through to the outside from holding casing (81) bottom.

5. The bottom dead center accuracy detecting device for a press machine according to claim 4, characterized in that: the inner diameter of the arc-shaped positioning block (85) is the same as the diameter of the adjusting button (75), and an anti-slip rubber pad is pasted on one surface, close to the adjusting button (75), of the arc-shaped positioning block (85).

6. The bottom dead center accuracy detecting device for a press machine according to claim 1, characterized in that: all install two positioning bolt (9) on mounting panel (4) and L type mounting bracket (3), all fix through two positioning bolt (9) between mounting panel (4) and workstation (1) and L type mounting bracket (3) and lower clamp plate (2), just gasket (91) are all installed to positioning bolt (9) fixed department.

7. The bottom dead center accuracy detecting device for a press machine according to claim 1, characterized in that: l type locating piece (41) are all installed to the both sides of mounting panel (4), L type locating piece (41) all contact with workstation (1).