CN220347928U - Deep hole internal grinding device - Google Patents

Abstract

The utility model relates to the technical field of grinding devices and discloses a deep hole internal circular grinding device which comprises a workbench, a feeding mechanism, a grinding mechanism and a fixed clamp, wherein the workbench is provided with a clamp groove and a feeding groove, the feeding mechanism is arranged in the feeding groove, a movable clamp is connected in a sliding manner in the clamp groove, a liquid drain disc is arranged on the grinding mechanism, a liquid drain groove is arranged on the workbench in a penetrating manner, the liquid drain groove is arranged on one side, away from the workbench surface, of the clamp groove, a liquid collecting mechanism is arranged on one side, away from the workbench surface, of the liquid drain groove, the device solves the problems that grinding liquid in the deep hole is difficult to drain and the working environment is easy to influence, kong Namo cutting liquid is synchronously led out when a tool is returned through the liquid drain disc, and waste grinding liquid is collected by the liquid collecting mechanism for subsequent treatment.

Description

Deep hole internal grinding device

Technical Field

The utility model relates to the technical field of grinding devices, in particular to a deep hole internal grinding device.

Background

Deep hole refers to a hole with the ratio of the depth to the diameter being more than 5 and less than 10, such as an oil cylinder hole, an axial oil hole of a shaft, a hollow main shaft hole, a hydraulic valve hole and the like. In order to improve the overall performance of the part, the holes are required to be subjected to deep hole internal grinding, the depth-diameter ratio of the holes is large, and in the grinding process, the rigidity, the precision, the lubrication and the like of the grinding device are required to be high.

At present, the deep hole internal grinding device on the market divides a transmission main shaft into three sections, three groups of bearing auxiliary supports are respectively arranged, the rigidity of a shaft system is increased, simultaneously, the pretightening force and the installation phase of the bearings are adjustable, the rotation precision of the shaft system is improved, the grinding machining precision is improved, when the hole depth is large, grinding fluid in a deep hole is difficult to discharge and recycle after the grinding is finished, at the moment, environmental pollution is easily caused from a transportation part to the next working procedure, and the grinding fluid is wasted.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a deep hole internal grinding device which is convenient for discharging and recycling grinding fluid.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a deep hole internal grinding device, includes workstation, feed mechanism, grinding mechanism and mounting fixture, clamp groove and feed groove have been seted up on the workstation, feed mechanism sets up in the feed inslot, sliding connection has movable clamp in the clamp groove, install the flowing back dish on the grinding mechanism, the liquid groove has been seted up in the run-through on the workstation, the flowing back groove sets up the one side that deviates from the workstation mesa at the clamp groove, one side that deviates from the workstation mesa is provided with liquid collecting mechanism, grinding mechanism includes the main shaft, install the cutter on the main shaft, the flowing back dish is installed on the main shaft, the flowing back dish sets up one side that deviates from feed mechanism at the cutter, the flowing back dish includes the disk body, the maximum diameter of disk body is less than the diameter of cutter, set up the shrink groove on the outer anchor ring face of disk body, four spacing grooves have been seted up to the symmetry in the disk body, the orientation that the spacing groove axle center extends is the same with the rotation when deviating from the work of main shaft, set up the spout on the outside groove face of spacing groove, the flowing back groove deviates from the spout, the same with the connecting rod is connected with the shrink groove, the connecting rod is the shrink groove is the circular arc is all installed with the side of the connecting rod, the connecting rod is the same, the connecting rod is installed with the minimum, the connecting rod is fixed with the connecting rod is installed in the circular arc, the connecting rod is fixed to the length is 1.

The utility model is further provided with: two sliding rails are fixed on one side of the workbench, which is opposite to the table top, the two sliding rails are symmetrically arranged on two sides of the liquid discharge groove, the cross section of each sliding rail is L-shaped, the liquid collecting mechanism comprises a mounting frame, the mounting frame is slidably connected with the sliding rails, two sliding blocks are fixed on the mounting frame, and the two sliding blocks are correspondingly and slidably clamped with the two sliding rails respectively.

The utility model is further provided with: be provided with the filter screen in the installing frame, one side that the installing frame deviates from the workstation is connected with the album liquid frame, it is hopper-shaped to collect the liquid frame, the other end of album liquid frame is connected with and deposits the liquid case.

The utility model has the advantages that:

1. a liquid discharge disc is arranged on one side of the cutter, which faces the workpiece to be processed, and is attached to an inner hole of the workpiece to be processed through four symmetrically arranged scraping strips, a counterweight is connected to the scraping strips, the counterweight slides in corresponding limiting grooves, the limiting grooves are set to be involute, the extending direction of the limiting grooves away from the axle center is the same as the rotation direction of the main shaft during processing, during polishing, the limiting grooves rotate along with the main shaft, the counterweight is pushed to one end, close to the axle center, of the limiting grooves under the action of centrifugal force, so that the scraping strips shrink inwards and do not contact with the inner hole of the workpiece to be processed, interference in grinding is prevented, and during tool withdrawal, the main shaft rotates reversely, the counterweight is pushed to one end, away from the axle center, of the limiting grooves stretches outwards and contacts with the inner hole of the workpiece, so that grinding fluid in the hole is led out, and the influence of residual grinding fluid on the working environment is avoided;

2. be provided with the liquid drain groove on the workstation, the below of workstation corresponds and is provided with liquid collecting mechanism, and the grinding liquid of flowing back dish derivation gets into liquid collecting mechanism through the liquid drain groove, and the produced metallic impurity of grinding is blocked on the filter screen, and the waste grinding liquid through the filtration gets into by funnel-shaped liquid collecting frame and holds the liquid case and realize collecting, be convenient for follow-up recovery or processing.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a top view of the device shown in FIG. 1;

FIG. 3 is a schematic view of a drain pan structure according to the present utility model;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic view of the structure shown in FIG. 4 when retracting the tool;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 7 is an enlarged view of portion C of FIG. 6;

in the figure: 1. a work table; 2. a clamp groove; 3. a feed slot; 4. a liquid discharge tank; 5. a feeding mechanism; 6. a grinding mechanism; 601. a main shaft; 602. a cutter; 7. a fixing clamp; 8. a movable clamp; 9. a liquid discharge disc; 901. a tray body; 902. a shrink tank; 903. scraping the strip; 904. a mounting bar; 10. a liquid collecting mechanism; 11. a limit groove; 12. a chute; 13. a counterweight; 14. a connecting rod; 15. a slide rail; 16. a mounting frame; 161. a slide block; 17. a liquid collecting frame; 18. a filter screen; 19. a liquid storage box.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-7, the present utility model provides the following technical solutions:

the deep hole internal grinding device comprises a workbench 1, a feeding mechanism 5, a grinding mechanism 6 and a fixed clamp 7, wherein a clamp groove 2, a feeding groove 3 and a liquid draining groove 4 are formed in the workbench 1, the feeding mechanism 5 is arranged in the feeding groove 3, a movable clamp 8 is connected in the clamp groove 2 in a sliding mode, the liquid draining groove 4 is arranged below the clamp groove 2 and penetrates through the workbench 1, a liquid collecting mechanism 10 is arranged below the liquid draining groove 4, a cutter 602 is arranged on a main shaft 601 of the grinding mechanism 6, a liquid draining disc 9 is arranged on the main shaft 601 and is attached to the cutter 602, after grinding is completed, the feeding mechanism 5 drives the cutter 602 and the liquid draining disc 9 to withdraw from a workpiece, the waste grinding liquid in a hole is led out through the liquid draining groove 4 and is collected by the liquid collecting mechanism 10, the residual grinding liquid in the hole of the workpiece is prevented from polluting the working environment in a subsequent process, meanwhile, the waste grinding liquid is collected or processed conveniently.

The liquid discharge disc 9 comprises a disc body 901, the maximum diameter of the disc body 901 is smaller than the diameter of a cutter 602, a contraction groove 902 is formed in the outer annular surface of the disc body 901, the contraction groove 902 is annular, four limit grooves 11 are symmetrically formed in the disc body 901, the limit grooves 11 are involute-shaped, the extending direction of the limit grooves 11 deviating from the axle center is the same as the rotation direction of a main shaft 601 during grinding operation, a sliding groove 12 is formed in the outer groove surface of the limit grooves 11, the sliding groove 12 is communicated with the contraction groove 902, a counterweight 13 is slidably connected in the limit grooves 11, a connecting rod 14 is fixed on the counterweight 13, a mounting bar 904 is fixed at the other end of the connecting rod 14, a scraping bar 903 is fixed on the outer side of the mounting bar 904, the connecting rod 14 is slidably connected with the sliding groove 12, the mounting bar 904 and the scraping bar 903 are all in a 1/4 circular arc shape, the inner cambered surface radius of the mounting bar 904 is the same as the diameter of the inner groove surface of the contraction groove 902, and the scraping bar 903 is made of rubber;

when grinding operation is performed, the main shaft 601 rotates, the counterweight 13 moves to the end opposite to the rotation direction of the main shaft 601 under the action of centrifugal force, namely, the counterweight 13 slides to one side, close to the axis, of the limiting groove 11, and the mounting strip 904 is driven to be attached to the inner groove surface of the shrinkage groove 902, so that the scraping strip 903 is shrunk into the shrinkage groove 902 and is not contacted with the inner hole of a workpiece, the grinding operation is prevented from being interfered, and the rough surface in the hole is prevented from damaging the scraping strip 903;

when the tool is retracted after grinding, the main shaft 601 reversely rotates, so that the counterweight 13 slides to one side, far away from the axis, of the limit groove 11 under the action of centrifugal force, the mounting strip 904 is driven to extend outwards, and the scraping strip 903 is attached to the hole surface of the workpiece, so that grinding fluid in the hole is brought out while the tool is retracted, and the pollution to the working environment caused by the residual grinding fluid is prevented.

The lower part of the workbench 1 is fixedly provided with two slide rails 15, the two slide rails 15 are symmetrically arranged on two sides of the liquid discharge groove 4 respectively, the cross section of the slide rail 15 is L-shaped, the liquid collecting mechanism 10 comprises a mounting frame 16, the mounting frame 16 and the two slide rails 15 are in sliding connection, two sliding blocks 161 are respectively fixed on two sides of the mounting frame 16, the two sliding blocks 161 are respectively clamped with the two slide rails 15 correspondingly so as to prevent the mounting frame 16 from separating from the slide rails 15, the sliding blocks 161 are in sliding connection with the slide rails 15, the bottom of the mounting frame 16 is provided with a filter screen 18, the lower part of the mounting frame 16 is connected with a liquid collecting frame 17, the liquid collecting frame 17 is in a funnel shape, the small opening end of the liquid collecting frame 17 is connected with a liquid storage box 19, discharged grinding liquid enters the mounting frame 16 through the liquid discharge groove 4, passes through the filter screen 18, the filtered grinding liquid passes through the frame 17 and is guided by the liquid storage box 19 so as to be recovered and processed in a follow-up mode, the mounting frame 16 is dragged, the mounting frame 16 and the sliding blocks 161 slide on the slide rails 15 are opened, the liquid collecting mechanism 10 and the filter screen 18 can be cleaned conveniently.

Specifically, when the liquid discharge disc 9 rotates and feeds synchronously along with the cutter 602 and grinding operation is carried out, the rotation direction of the main shaft 601 is the same as the direction of the limiting groove 11 deviating from the axis, and the counterweight 13 slides to one side of the limiting groove 11 close to the axis under the action of centrifugal force, so that the mounting strip 904 is driven to be adhered to the inner groove surface of the shrinkage groove 902 inwards, the scraping strip 903 is enabled to shrink inwards and not to be contacted with the hole surface of the workpiece, the scraping strip 903 is prevented from interfering with the grinding operation, meanwhile, the rough surface in the hole of the workpiece is prevented from scratching the scraping strip 903, and the service life of the scraping strip 903 is prolonged;

when the grinding is finished and the tool is retracted, the main shaft 601 is reversed, namely the rotation direction of the main shaft 601 is the same as the direction of the limiting groove 11 pointing to the axis, at the moment, the counterweight 13 slides to one side of the limiting groove 11 deviating from the axis under the action of centrifugal force, the scraping strip 903 is pushed to extend outwards, so that the scraping strip 903 is contacted with the hole surface of the workpiece, and grinding fluid in the hole is scraped out through the scraping strip 903 when the tool is retracted, so that the grinding fluid is prevented from remaining in the hole, and pollution is caused to subsequent processing and working environment.

The workbench 1 is provided with a liquid discharge groove 4 in a penetrating manner, a liquid collecting mechanism 10 is arranged below the liquid discharge groove 4, discharged waste grinding liquid enters a mounting frame 16 of the liquid collecting mechanism 10 through the liquid discharge groove 4 and is filtered by a filter screen 18, metal scraps mixed in the waste grinding liquid remain on the filter screen 18, the grinding liquid enters the liquid collecting frame 17 through the filter screen 18, and then is guided by the liquid collecting frame 17 to enter a liquid storage box 19 for temporary storage so as to be convenient for subsequent recovery and treatment.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (3)

1. The utility model provides a deep hole internal grinding device, includes workstation (1), feed mechanism (5), grinding mechanism (6) and mounting fixture (7), its characterized in that: the utility model discloses a grinding machine, including work bench (1) and work bench, clamp groove (2) and feed groove (3) have been seted up on work bench (1), feed mechanism (5) set up in feed groove (3), sliding connection has movable clamp (8) in clamp groove (2), install drain dish (9) on grinding mechanism (6), run through on work bench (1) and set up drain groove (4), drain groove (4) set up in clamp groove (2) one side of deviating from work bench (1) mesa, drain groove (4) one side of deviating from work bench (1) mesa is provided with liquid collecting mechanism (10), grinding mechanism (6) include main shaft (601), install cutter (602) on main shaft (601), install on main shaft (601) drain dish (9), drain dish (9) set up in one side of cutter (602) deviating from feed mechanism (5), drain dish (901) include disk body (901), the diameter of maximum diameter of cutter (901) is less than 602), be equipped with on the disk body (901) and shrink ring face (901) and take the form of groove (11) is opened in the symmetry, the direction that spacing groove (11) deviate from the axle center and extend is the same with the revolve of main shaft (601) during operation, spout (12) have been seted up on the outside groove surface of spacing groove (11), spout (12) are linked together with shrink groove (902), sliding connection has counter weight (13) in spacing groove (11), be fixed with connecting rod (14) on counter weight (13), the other end of connecting rod (14) is fixed with installation strip (904), be fixed with on installation strip (904) and scrape strip (903), connecting rod (14) and spout (12) sliding connection, installation strip (904) and scrape strip (903) all are 1/4 circular-arc, the minimum radius of installation strip (904) equals with the minimum radius of shrink groove (902).

2. The deep hole internal grinding device according to claim 1, wherein: two sliding rails (15) are fixed on one side, opposite to the table top, of the workbench (1), the two sliding rails (15) are symmetrically arranged on two sides of the liquid discharge groove (4), the cross section of each sliding rail (15) is L-shaped, the liquid collecting mechanism (10) comprises a mounting frame (16), the mounting frame (16) is in sliding connection with the sliding rails (15), two sliding blocks (161) are fixed on the mounting frame (16), and the two sliding blocks (161) are respectively in corresponding sliding clamping connection with the two sliding rails (15).

3. The deep hole internal grinding device according to claim 2, wherein: be provided with filter screen (18) in installing frame (16), one side that installing frame (16) deviate from workstation (1) is connected with album liquid frame (17), album liquid frame (17) are the funnel form, the other end of album liquid frame (17) is connected with and deposits liquid case (19).