CN211681569U - Slow-abrasion-force-response burn-prevention workpiece loading table - Google Patents

Abstract

The utility model provides a slowly grind power response and prevent burning work piece dress platform, including mount table, limit force balladeur train, main balladeur train and base, be sliding connection between base and the main balladeur train, the central point department of putting of main balladeur train has seted up the installation and has led to the groove, and the installation is led to the inslot and is worn to be equipped with the spring holder, and the longitudinal section of limit force balladeur train is the top of groove in the installation of U type structure and this U type structure lock leading to of handstand, and the top of spring holder is through the top threaded connection of first adjusting screw and limit force balladeur train, and the bottom of spring holder is provided with first friction disc, the utility model discloses simple structure still can prevent the work piece burning under the prerequisite that does not influence work piece machining precision, is applicable to the work piece of waiting to grind of multiple different models, size, and the suitability is strong, simultaneously, the utility model discloses do not adopt electronic equipment to carry out the power response, need And the processing is suitable for large-scale popularization and application.

Description

Slow-abrasion-force-response burn-prevention workpiece loading table

Technical Field

The utility model belongs to the technical field of slowly grind auxiliary fixtures, concretely relates to slowly grind power response and prevent burning work piece dress platform.

Background

The slow grinding is slow feeding grinding, is powerful grinding, has the characteristics of high material removal rate, high processing efficiency and the like, but the slow grinding is easy to have the problems of unstable process and the like under certain conditions, and the basic reasons are that the grinding arc area is too long, the grinding temperature is difficult to control, the workpiece is easy to have sudden burn and is difficult to prevent. The general slow grinding process usually adopts a grooving grinding wheel method or a high-pressure water jet method and the like, the methods usually need to adopt some unique structural designs for the grinding wheel, and the grinding wheel with the unique structural design not only can influence the processing precision of a workpiece, but also can be easily damaged due to the excessively complex structure, so that the grinding cost is increased, therefore, how to improve the workpiece clamping on a workbench, and the prevention of workpiece burning on the premise of not influencing the processing precision of the workpiece is a technical problem which needs to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a slow grinding force response prevents burning work piece dress platform, the utility model discloses directly improve being used for the installation to wait to grind the work piece dress platform of work piece to can be applicable to the work piece of waiting of multiple different models, size, still can prevent the work piece burn moreover under the prerequisite that does not influence work piece machining precision, the suitability is strong and simple structure.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a slow-abrasion force response burn-proof workpiece mounting table comprises a mounting table for mounting a workpiece to be ground, a force limiting sliding frame for mounting the mounting table, a main sliding frame and a base, wherein the base is in sliding connection with the main sliding frame, a mounting through groove is formed in the center of the main sliding frame, a spring seat penetrates through the mounting through groove, the longitudinal section of the force limiting sliding frame is of an inverted U-shaped structure, the U-shaped structure is buckled at the top end of the mounting through groove, the top of the spring seat is in threaded connection with the top of the force limiting sliding frame through a first adjusting screw, a first friction plate is arranged at the bottom of the spring seat, lug plates are respectively arranged at the tops of the front end and the rear end of the main sliding frame, the lug plates are in threaded connection with the side wall of the force limiting sliding frame through a second adjusting screw, and a force limiting spring is arranged between any one lug plate and the side;

the left and right bilateral symmetry of limit force balladeur train is provided with the cam platform that links to each other with main balladeur train and installs the camshaft jointly on two cam platforms, the gear is installed to inboard and the wherein one end of camshaft that the camshaft part wore to establish the spring holder, the inboard of limit force balladeur train is provided with the rack with gear engaged with, when mount table and limit force balladeur train move for main balladeur train, the rack drives gear and camshaft rotation, the camshaft drives the spring holder upward movement after rotating, make and separate between first friction disc and the base, and then drive main balladeur train and slide for the base.

Furthermore, the spring seat comprises an upper spring plate, a middle spring plate and a lower spring plate, the top of the upper spring plate is provided with a second threaded hole matched with the first adjusting screw, the upper spring plate is in threaded connection with the top of the force limiting sliding frame through the first adjusting screw, the middle spring plate is fixedly connected with the lower spring plate through a support column, the top of the lower spring plate is provided with a plurality of guide columns along the vertical direction, the free ends of the guide columns sequentially penetrate through guide column holes formed in the middle spring plate and the upper spring plate and then are arranged on the outer side of the spring seat, guide column springs are sleeved on the outer sides of the guide columns and are always positioned between the upper spring plate and the lower spring plate, the cam shaft is positioned between the middle spring plate and the lower spring plate, when the rack drives the camshaft to rotate, the camshaft drives the middle spring plate and the lower spring plate to move upwards together, so that the first friction plate is separated from the base.

Furthermore, the top of the base is provided with a slide rail, the bottom of the main sliding frame is provided with a slide groove matched with the slide rail, and the inner side of the slide rail is provided with a second friction plate matched with the first friction plate.

Further, the central axis direction of the second adjusting screw is parallel to the sliding direction of the main carriage.

Furthermore, the second adjusting screw is integrally provided with a limiting table, an adjusting cap is sleeved on the inner side of the limiting table, and the force limiting spring is located between the adjusting cap and the side wall of the force limiting sliding frame.

Furthermore, a third threaded hole matched with the second adjusting screw is formed in each of the two side walls of the force limiting sliding frame.

Furthermore, a first threaded hole matched with the first adjusting screw is formed in the center of the force limiting sliding frame.

Further, the gear is a sector gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure still can prevent the work piece burn under the prerequisite that does not influence work piece machining precision, is applicable to the work piece of waiting to grind of multiple different models, size, and the suitability is strong, simultaneously, the utility model discloses do not adopt electronic equipment to carry out the power response, need not carry out loaded down with trivial details waterproof preparation work, consequently the utility model discloses a structure is more stable and can be under the environmental condition of complicacy treating the work piece and process, is suitable for and uses widely on a large scale.

Drawings

FIG. 1 is a schematic view of the connection of the present invention to a mounting table for mounting a workpiece to be ground;

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view showing the connection relationship of the camshaft, the spring seat, the gear and the rack;

FIG. 5 is an assembly view of the present invention with the force limiting carriage removed;

FIG. 6 is a schematic view of a spring seat;

the labels in the figure are: 1. mounting table, 2, force limiting sliding frame, 3, main sliding frame, 4, base, 401, slide rail, 402, sliding groove, 403, second friction plate, 5, mounting through groove, 6, spring seat, 601, upper spring plate, 602, middle spring plate, 603, lower spring plate, 604, second threaded hole, 605, strut, 606, guide pillar, 607, guide pillar hole, 608, guide pillar spring, 7, first adjusting screw, 8, first friction plate, 9, lug plate, 10, second adjusting screw, 11, force limiting spring, 12, cam table, 13, camshaft, 14, gear, 15, rack, 16, limiting table, 17, adjusting cap, 18, first threaded hole.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

The principle of the utility model is as follows: the grinding force and the grinding temperature have certain correlation in the slow grinding process, when the grinding force exceeds a certain threshold value, the grinding temperature inevitably reaches a certain value, and the possibility of workpiece burning is very high. Based on this the utility model designs a slow grinding power response prevents burning work piece dress platform, when slowly grinding, will wait to grind the work piece and install on mount table 1, grinding power threshold value when can know the work piece burn through a small amount of experiments, then adjust the power response part of mount table 1 on the threshold point, slowly grind the back that begins, if grinding power exceedes this threshold value after, mount table 1 will drive and wait to grind the work piece and carry out limited letting, let the grinding power of in-process will keep the threshold point, at this moment, grinding temperature will be controlled at required within range, if grinding power reduces to below the threshold value, the work piece dress platform will produce great resistance and stop letting, the work piece will continue to process according to the former route of grinding walking.

The present invention is described in detail below with reference to the accompanying drawings:

as shown in fig. 1 and 2, a slow wearing force response burn-proof workpiece stage comprises a mounting table 1 for mounting a workpiece to be worn, a force limiting slide frame 2 for mounting the mounting table 1, a main slide frame 3 and a base 4, wherein the base 4 is in sliding connection with the main slide frame 3, a slide rail 401 is arranged at the top of the base 4, the slide rail 401 is composed of two slide ways arranged along the length direction of the main slide frame 3, the two slide ways are arranged in parallel, a slide groove 402 matched with the slide rail 401 is arranged at the bottom of the main slide frame 3, the main slide frame 3 is buckled at the tops of the two slide ways through the slide groove 402, and a second friction plate 403 is arranged between the two slide ways.

As shown in fig. 3, a mounting through groove 5 is provided at the center of the main carriage 3, a spring seat 6 is inserted into the mounting through groove 5, the longitudinal section of the force limiting carriage 2 is inverted U-shaped and the U-shaped is fastened to the top end of the mounting through groove 5, a first threaded hole 18 matched with the first adjusting screw 7 is formed in the center of the force limiting sliding frame 2, the top of the spring seat 6 is in threaded connection with the top of the force limiting sliding frame 2 through the first adjusting screw 7, a first friction plate 8 is arranged at the bottom of the spring seat 6, the position relation of the spring seat 6, the first friction plate 8 and the second friction plate 403 can be adjusted through the first adjusting screw 7, the purpose of braking the mounting table 1 during the slow grinding is achieved, the purpose of bearing the grinding force of the workpiece during slow grinding is further achieved, and the opposite end faces of the first friction plate 8 and the second friction plate 403 are both friction faces; the front end and the rear end of the main carriage 3 are respectively provided with an ear plate 9, in order to achieve the best use effect, the ear plates and the main carriage 3 are integrally arranged, the ear plates 9 are in threaded connection with the side walls of the force limiting carriage 2 through second adjusting screws 10, force limiting springs 11 are arranged between any one of the ear plates 9 and the side wall of the force limiting carriage 2 corresponding to the ear plate, third threaded holes (not shown in the figure) matched with the second adjusting screws 10 are formed in the two side walls of the force limiting carriage 2, as shown in fig. 5, a limiting table 16 is integrally arranged on the second adjusting screws 10, an adjusting cap 17 is sleeved on the inner side of the limiting table, the longitudinal section of the adjusting cap 17 is of a U-shaped structure, the opening side of the U-shaped structure faces the force limiting carriage 2, the force limiting springs 11 are arranged between the adjusting cap 17 and the side wall of the force limiting carriage 2, the scheme is further optimized, and one end, far away from the force limiting carriage 10, penetrates through the ear plates 9, and is arranged on the outer side of the ear plates and at the end The adjusting handle is arranged at the part, and the pretightening force of the force limiting spring 11 is adjusted by rotating the adjusting handle, so that the threshold point of the force response part of the mounting table can be adjusted.

Cam platforms 12 connected with the main carriage 3 are symmetrically arranged on the left side and the right side of the force limiting carriage 2, cam shafts 13 are jointly installed on the two cam platforms 12, the cam shafts 13 are rotatably connected with the two cam platforms 12, as shown in fig. 4, the cam shafts 13 are partially arranged on the inner side of the spring seat 6 in a penetrating mode, a gear 14 is installed at one end of each cam shaft 13, the gear 14 is in interference fit with the cam shafts 13, the gear 14 is a sector gear, a rack 15 meshed with the gear 14 is arranged on the inner side of the force limiting carriage 2, and in order to achieve the best using effect, one side wall, close to the spring seat 6, of each rack 15 can be fixedly connected with the top end of the spring seat 6. When mount table 1 and limit force balladeur train 2 when for main balladeur train 3 motion, rack 15 drives gear 14 and camshaft 13 and rotates, and camshaft 13 drives spring holder 6 upward movement after rotating, makes separation between first friction disc 8 and the base 4, and then drives main balladeur train 3 and slide for base 4 to realize that mount table 1 drives and waits to grind the work piece and carry out limited yielding.

As shown in fig. 6, the spring seat 6 includes an upper spring plate 601, a middle spring plate 602, and a lower spring plate 603, which are disposed in parallel, the top of the upper spring plate 601 is disposed with a second threaded hole 604 matching with the first adjusting screw 7, the upper spring plate 601 is connected with the top of the force limiting carriage 2 by the first adjusting screw 7, the middle spring plate 602 is fixedly connected with the lower spring plate 603 by a pillar 605, the top of the lower spring plate 603 is disposed with a plurality of guide posts 606 along the vertical direction, as a preferred embodiment of the present invention, the number of the guide posts 606 is 4, the 4 guide posts 606 are disposed perpendicular to the lower spring plate 603, and the 4 guide posts 606 are distributed at four corners of the top of the lower spring plate 603, the number of the pillars 605 is also 4, the 4 pillars 605 are symmetrically disposed in pairs, the free ends of the guide posts 606 sequentially penetrate through the guide post holes 607 disposed on the middle spring plate 602 and the upper spring plate 601 and then are disposed at the outer side of the spring seat 6, a guide post spring 608 is sleeved outside the guide post 606, the guide post spring 608 is always located between the upper spring plate 601 and the lower spring plate 603, the cam shaft 13 is located between the middle spring plate 602 and the lower spring plate 603, and after the cam shaft 13 is driven by the rack 15 to rotate, the cam shaft 13 drives the middle spring plate 602 and the lower spring plate 603 to move upward together, so that the first friction plate 8 is separated from the base 4.

For optimal use, the central axis of the second adjusting screw 10 is parallel to the sliding direction of the main carriage 3.

The utility model discloses a limited process of giving up specifically as follows: the mounting table 1 is mounted on a force limiting sliding frame 2, when the force limiting sliding frame 2 is slowly abraded, the force limiting sliding frame 2 can slide in an area limited by two lug plates 9, when the force limiting sliding frame 2 slides, force limiting springs 11 on two sides of the force limiting sliding frame are pushed, if the abrasion does not reach a threshold value, the deformation amount of the force limiting springs 11 is small, the force limiting sliding frame 2 does not displace, if the abrasion force exceeds the threshold value, the force limiting springs 11 deform, further, the force limiting sliding frame 2 drives a rack 15 on the force limiting sliding frame to move, the rack 15 drives a gear 14 on a cam shaft 13 to rotate, the cam shaft 13 rotates along with the gear 14, a plurality of cams on the cam shaft 13 are oval cams, when the oval cams rotate to jack up a spring seat by 1-2mm, two friction plates originally jointed with the main sliding frame 3 and the base 4 are separated, the main sliding frame 3 is driven by the force limiting sliding frame 2 to, when the grinding force is reduced, the force limiting spring 11 is restored, the rack 15 on the force limiting sliding frame 2 is restored to the original position, the gear 14 and the cam shaft 13 are driven to rotate and restore to the original position, the first friction plate 8 on the spring seat 6 is engaged with the second friction plate 403 on the base 4, and the force limiting sliding frame 2, the main sliding frame 3 and the base 4 are restored to the original state to jointly bear the grinding force of the workpiece.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a slow wearing power response prevents burning work piece dress platform, is sliding connection, its characterized in that including mount table (1) that is used for installing the work piece of treating to grind, limit force balladeur train (2) that are used for installing mount table (1), main balladeur train (3) and base (4), between base (4) and main balladeur train (3): a mounting through groove (5) is formed in the center of the main sliding frame (3), a spring seat (6) penetrates through the mounting through groove (5), the longitudinal section of the force limiting sliding frame (2) is of an inverted U-shaped structure, the U-shaped structure is buckled at the top end of the mounting through groove (5), the top of the spring seat (6) is in threaded connection with the top of the force limiting sliding frame (2) through a first adjusting screw (7), a first friction plate (8) is arranged at the bottom of the spring seat (6), the tops of the front end and the rear end of the main sliding frame (3) are respectively provided with an ear plate (9), the ear plates (9) are in threaded connection with the side wall of the force limiting sliding frame (2) through second adjusting screws (10), and a force limiting spring (11) is arranged between any one ear plate (9) and the side wall of the corresponding force limiting sliding frame (2);

cam platforms (12) connected with a main sliding frame (3) are symmetrically arranged on the left side and the right side of the force limiting sliding frame (2), cam shafts (13) are jointly installed on the two cam platforms (12), the cam shafts (13) are partially arranged on the inner side of a spring seat (6) in a penetrating mode, a gear (14) is installed at one end of each cam shaft (13), racks (15) meshed with the gears (14) are arranged on the inner side of the force limiting sliding frame (2), when the installation platform (1) and the force limiting sliding frame (2) move relative to the main sliding frame (3), the racks (15) drive the gears (14) and the cam shafts (13) to rotate, the cam shafts (13) drive the spring seat (6) to move upwards after rotating, separation between a first friction plate (8) and a base (4) is achieved, and then the main sliding frame (3) is driven to slide relative to the base (4.

2. A slow wear force response burn prevention workpiece stage as in claim 1 wherein: the spring seat (6) comprises an upper spring plate (601), a middle spring plate (602) and a lower spring plate (603), a second threaded hole (604) matched with a first adjusting screw (7) is formed in the top of the upper spring plate (601), the upper spring plate (601) is in threaded connection with the top of the force limiting sliding frame (2) through the first adjusting screw (7), the middle spring plate (602) is fixedly connected with the lower spring plate (603) through a strut (605), a plurality of guide posts (606) are arranged on the top of the lower spring plate (603) in the vertical direction, free ends of the guide posts (606) sequentially penetrate through guide post holes (607) formed in the middle spring plate (602) and the upper spring plate (601) and then are arranged on the outer side of the spring seat (6), a guide post spring (608) is sleeved on the outer side of each guide post (606), and the guide post spring (608) is always located between the upper spring plate (601) and the lower spring plate (603), the cam shaft (13) is positioned between the middle spring plate (602) and the lower spring plate (603), and after the cam shaft (13) is driven to rotate by the rack (15), the cam shaft (13) drives the middle spring plate (602) and the lower spring plate (603) to move upwards together, so that the first friction plate (8) is separated from the base (4).

3. A slow wear force response burn prevention workpiece stage as in claim 2 wherein: the top of the base (4) is provided with a sliding rail (401), the bottom of the main sliding frame (3) is provided with a sliding groove (402) matched with the sliding rail (401), and the inner side of the sliding rail (401) is provided with a second friction plate (403) matched with the first friction plate (8).

4. A slow wear force response burn prevention workpiece stage as in claim 3 wherein: the central axis direction of the second adjusting screw (10) is parallel to the sliding direction of the main sliding frame (3).

5. A slow wear force response burn prevention workpiece stage as in claim 4 wherein: the limiting table (16) is integrally arranged on the second adjusting screw (10), an adjusting cap (17) is sleeved on the inner side of the limiting table, and the force limiting spring (11) is located between the adjusting cap and the side wall of the force limiting sliding frame (2).

6. A slow wear force response burn prevention workpiece stage as in claim 5 wherein: and third threaded holes matched with the second adjusting screws (10) are formed in the two side walls of the force limiting sliding frame (2).

7. A slow wear force response burn prevention workpiece stage as in claim 6 wherein: and a first threaded hole (18) matched with the first adjusting screw (7) is formed in the center of the force limiting sliding frame (2).

8. A slow wear force response burn prevention workpiece stage as in claim 1 wherein: the gear (14) is a sector gear.

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