Shield tunneling machine cutter grinding device

Abstract

The utility model relates to the technical field of shield cutters, in particular to a shield tunneling machine cutter grinding device which can clamp and grind blade faces and weld joints of a plurality of shield tunneling machine cutters and is high in working efficiency and small in use limitation. Comprising a bottom plate, a stand column, a motor and a grinding disc, the stand column is vertically installed on the bottom plate, and the grinding disc is concentrically installed on an output shaft of the motor; the grinding machine further comprises a first sliding table, a second sliding table, a first push cylinder and two tool frames, the first sliding table is installed on the stand column in a liftable and sliding mode, the second sliding table is horizontally installed on the first sliding table in a sliding mode, the motor is installed on the end face of the second sliding table, the grinding disc is located on the outer side of the other end face of the second sliding table, and the fixed end of the first push cylinder is installed on the second sliding table. A piston rod of the first push cylinder is connected with the first sliding table, the lower ends of the two cutter frames are rotationally connected with the bottom plate, the two cutter frames are located on the left side and the right side of the stand column respectively, the two cutter frames are each provided with a plurality of shield tunneling machine cutters, and the two cutter frames can be flatly placed and erected.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machine cutters, in particular to a shield machine cutter grinding device. Background Art

[0002] Shield cutters are widely used as one of the important accessories of shield machines, and are often used in underground tunnel construction, and the cutters usually face underground rocks. After the welding process of shield cutters is completed, the weld and the end face of the cutter need to be polished. The Chinese utility model patent with the prior art publication number CN219901390U proposes a shield cutter processing and polishing device, which fixes the shield cutter by fixing an electromagnetic chuck at the upper end of the workbench, and sets a polishing assembly on the opposite sides of the workbench, and the polishing assembly is provided with a mounting seat that can approach the shield cutter, and a rotatable grinding wheel is provided on the mounting seat, and the two grinding wheels can act on the two welds on the cutter respectively, thereby completing the polishing of the welds.

[0003] However, the grinding device can only clamp and grind one shield machine cutter in one grinding operation, so the working efficiency is low, and it is not convenient to grind the blade surface of the cutter, so the use is relatively limited. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a shield machine tool grinding device which can clamp and grind the blade surfaces and welds of multiple shield machine tools, has high working efficiency and has relatively few limitations on use.

[0005] The utility model discloses a shield machine tool grinding device, comprising a base plate, a column, a motor and a grinding disc, the column is vertically mounted on the base plate, and the grinding disc is concentrically mounted on the output shaft of the motor; it also comprises a slide table one, a slide table two, a push cylinder one and two tool racks, the slide table one is slidably mounted on the column in a liftable manner, the slide table two is horizontally slidably mounted on the slide table one, the motor is mounted on the end surface of the slide table two, the grinding disc is located on the outer side of the other end surface of the slide table two, the fixed end of the push cylinder one is mounted on the slide table two, the piston rod of the push cylinder one is connected to the slide table one, the lower ends of the two tool racks are rotatably connected to the base plate, the two tool racks are respectively located on the left and right sides of the column, and multiple shield machine tools are loaded on the two tool racks, and the two tool racks can be laid flat and erected; when working, first lay the two tool racks flat on both sides of the base plate, load multiple shield machine tools onto the two tool racks respectively, and make the tool heads face upwards, flip the two tool racks and erect them, so that the tool heads of multiple shield tools are relatively arranged on the column On the left and right sides, push cylinder one telescopes and drives slide two to move horizontally on slide one, so that the outer end surface of the grinding disk is aligned with the inner end surfaces of multiple shield machine tools. The motor drives the grinding disk to rotate at high speed, and slide one rises and falls on the column, so that the outer end surface of the grinding disk is ground against the inner end surfaces of multiple shield machine tools. After the single-sided grinding of multiple shield machine tools is completed, push cylinder one telescopes again to drive slide two to move horizontally on slide one, so that the inner end surface of the grinding disk is aligned with the outer end surfaces of multiple shield machine tools, and slide one rises and falls on the column, so that the outer end surface of the grinding disk is ground against the inner end surfaces of multiple shield machine tools. After the double-sided grinding of the shield machine tools is completed, the motor stops, and the two tool holders are flipped and laid flat to the left and right outer sides of the base plate, and multiple shield machine tools are removed. Multiple shield machine tools can be clamped and polished in one grinding operation, with high work efficiency. By selecting grinding disks of appropriate specifications, the blade surfaces and welds of the tools can be polished, and the limitations of use are relatively small.

[0006] Preferably, it also includes two fixed clamping plates, two movable clamping plates and multiple screws, the two fixed clamping plates are respectively mounted on the two tool racks, the two movable clamping plates are respectively slidably mounted on the two tool racks, clamping grooves are arranged on the opposite surfaces of the fixed clamping plates and the movable clamping plates, the multiple screws are respectively rotatably screwed on the two tool racks, and the inner ends of the two screws are respectively rotatably connected to the two movable clamping plates; after the two tool racks are laid flat, the multiple screws are rotated to move the two movable clamping plates away from the two fixed clamping plates, and multiple shield machine tools are placed in the clamping grooves between the fixed clamping plates and the movable clamping plates, and the multiple screws are rotated and tightened so that the two movable clamping plates press the multiple shield machine tools against the two fixed clamping plates, thereby realizing the clamping and positioning of multiple shield machine tools, which is simple to operate and has good practicality.

[0007] Preferably, it also includes multiple positioning baffles, and positioning baffles are provided at the bottom of the clamping grooves of the two fixed clamping plates and the two movable clamping plates; the clamping grooves relative to each other of the two fixed clamping plates position and clamp the side of the shield machine tool, and at the same time, multiple positioning baffles limit and support the bottom of the shield machine tool, thereby improving the positioning accuracy of the shield machine tool.

[0008] Preferably, it also includes a push rod 2, the middle part of which is installed on the base plate, and the two ends of the push rod 2 are respectively rotatably connected to the two tool racks; the piston rod of the push rod 2 contracts to flip the two tool racks upright, so that the tool heads of multiple shield machine tools are close to the grinding disk, and the piston rod of the push rod 2 is extended to lay the two tool racks flat, thereby realizing the driving of the two tool racks. The technology is mature and practical.

[0009] Preferably, it also includes two arms and two hooks, the inner ends of the two arms are rotatably connected to the upper end of the column, the outer ends of the two arms are provided with hooks, and the two tool racks are provided with positioning rods matching the hooks; when the two tool racks are erected, the two arms are rotated so that the two hooks respectively hook the positioning rods of the two tool racks to achieve auxiliary fixation of the upper ends of the two tool racks. After grinding is completed, the two arms are rotated so that the two hooks are disengaged from the positioning rods of the two tool racks, so that the two tool racks can be laid flat, thereby improving the stability of the shield machine tools during grinding.

[0010] Preferably, it also includes a screw and a stepper motor. The screw is rotatably installed on the column. The screw and slide one are rotatably connected through a screw nut. The stepper motor is installed on the column. The output shaft of the stepper motor is transmission-connected to the screw. The stepper motor drives the screw to rotate, and the screw drives the slide one to move up and down on the column through the screw nut, thereby driving the grinding disk to move up and down to grind multiple shield machine tools in batches. The technology is mature and reliable.

[0011] Preferably, it also includes a cross bar, limit switch 1 and limit switch 2, the cross bar is installed on slide 1, limit switch 1 and limit switch 2 are installed on the cross bar, and a sensing element is arranged on slide 2, and the sensing element matches limit switch 1 and limit switch 2; when slide 2 moves horizontally on slide 1, when the sensing element on slide 2 is aligned with limit switch 1, limit switch 1 generates a signal to stop push cylinder 1, at which time the outer end surface of the grinding disc is aligned with the inner end surfaces of multiple shield machine tools, when the sensing element on slide 2 is aligned with limit switch 2, limit switch 2 generates a signal to stop push cylinder 1, at which time the inner end surface of the grinding disc is aligned with the outer end surfaces of multiple shield machine tools, thereby realizing automatic adjustment of the grinding disc and improving grinding accuracy.

[0012] Compared with the prior art, the utility model has the following beneficial effects: multiple shield machine cutters can be clamped and grinded in one grinding operation, the work efficiency is high, the blade surface and weld of the cutter can be ground by selecting a grinding disc of suitable specifications, and the limitation of use is relatively small. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the working state of the utility model;

[0016] Figure 4 It is a front view structural schematic diagram of the working state of the utility model;

[0017] Figure 5 It is a rear axonometric structural schematic diagram of the working state of the utility model;

[0018] Figure 6 It is a structural schematic diagram of slide one, slide two, motor, grinding disc, push cylinder one, lead screw, stepper motor, cross bar and limit switch one.

[0019] Markings in the attached figure: 1. Base plate; 2. Column; 3. Slide 1; 4. Slide 2; 5. Motor; 6. Grinding disc; 7. Push cylinder 1; 8. Tool holder; 9. Fixed clamping plate; 10. Moving clamping plate; 11. Screw; 12. Positioning baffle; 13. Push rod 2; 14. Arm; 15. Hook; 16. Screw; 17. Stepping motor; 18. Cross bar; 19. Limit switch 1; 20. Limit switch 2. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 4As shown, a shield machine tool grinding device includes a base plate 1, a column 2, a motor 5 and a grinding disc 6. The column 2 is vertically mounted on the base plate 1, and the grinding disc 6 is concentrically mounted on the output shaft of the motor 5; it also includes a slide 3, a slide 4, a push cylinder 7 and two tool racks 8. The slide 3 is slidably mounted on the column 2, the slide 4 is horizontally slidably mounted on the slide 3, the motor 5 is mounted on the end surface of the slide 4, the grinding disc 6 is located on the outside of the other end surface of the slide 4, the fixed end of the push cylinder 7 is mounted on the slide 4, the piston rod of the push cylinder 7 is connected to the slide 3, the lower ends of the two tool racks 8 are rotatably connected to the base plate 1, the two tool racks 8 are respectively located on the left and right sides of the column 2, and multiple shield machine tools are loaded on the two tool racks 8, and the two tool racks 8 can be laid flat and erected; it also includes two fixed clamping plates 9, two movable clamping plates 10 and multiple Screw 11, two fixed clamping plates 9 are respectively installed on the two tool racks 8, two movable clamping plates 10 are respectively slidably installed on the two tool racks 8, clamping grooves are set on the opposite surfaces of the fixed clamping plates 9 and the movable clamping plates 10, multiple screws 11 are respectively rotatably screwed on the two tool racks 8, and the inner ends of the two screws 11 are respectively rotatably connected to the two tool racks 8; it also includes multiple positioning baffles 12, and the bottoms of the clamping grooves of the two fixed clamping plates 9 and the two movable clamping plates 10 are all provided with positioning baffles 12; it also includes a push rod 13, the middle part of the push rod 13 is installed on the base plate 1, and the two ends of the push rod 13 are respectively rotatably connected to the two tool racks 8; it also includes two arm rods 14 and two hooks 15, the inner ends of the two arm rods 14 are rotatably connected to the upper end of the column 2, the outer ends of the two arm rods 14 are provided with hooks 15, and positioning rods matching the hooks 15 are provided on the two tool racks 8.

[0023] During operation, the piston rod of the push rod 13 is extended to lay the two tool holders 8 flat on both sides of the bottom plate 1, and the multiple screw rods 11 are rotated to move the two movable clamping plates 10 away from the two fixed clamping plates 9, and the multiple shield machine tools are placed in the clamping grooves between the fixed clamping plates 9 and the movable clamping plates 10, and the multiple screw rods 11 are rotated and tightened, so that the two movable clamping plates 10 press the multiple shield machine tools on the two fixed clamping plates 9, and the clamping grooves relative to the two fixed clamping plates 9 and the two movable clamping plates 10 position and clamp the sides of the shield machine tools, and at the same time, the multiple positioning baffles 12 hold the shield machine The bottom of the machine tool is limited and supported to improve the positioning accuracy of the shield machine tool, so as to achieve the clamping and positioning of multiple shield machine tools, and make the tool heads face upward, the piston rod of the push rod 13 is contracted to flip the two tool racks 8 upside down, and the two arm rods 14 are rotated so that the two hooks 15 respectively hook the positioning rods of the two tool racks 8 to achieve auxiliary fixation of the upper ends of the two tool racks 8, so that the tool heads of multiple shield machine tools are close to the grinding disc 6, so that the tool heads of multiple shield machine tools are relatively arranged on the left and right sides of the column 2, and the push cylinder 1 7 is extended and retracted. The slide 2 4 is driven to move horizontally on the slide 1 3, so that the outer end surface of the grinding disc 6 is aligned with the inner end surfaces of multiple shield machine tools, the motor 5 drives the grinding disc 6 to rotate at a high speed, and the slide 1 3 is lifted and lowered on the column 2, so that the outer end surface of the grinding disc 6 is ground against the inner end surfaces of multiple shield machine tools. After the single-sided grinding of multiple shield machine tools is completed, the push cylinder 1 7 is retracted again to drive the slide 2 4 to move horizontally on the slide 3, so that the inner end surface of the grinding disc 6 is aligned with the outer end surfaces of multiple shield machine tools, and the slide 1 3 is lifted and lowered on the column 2, so that the grinding The outer end surface of the grinding disc 6 is used to grind the inner end surfaces of multiple shield machine tools. After the double-sided grinding of the shield machine tools is completed, the motor 5 stops and the two arm rods 14 are rotated to disengage the two hooks 15 from the positioning rods of the two tool holders 8. The two tool holders 8 are flipped and laid flat to the left and right outer sides of the base plate 1, and multiple shield machine tools are removed. Multiple shield machine tools can be clamped and grinded in one grinding operation, with high work efficiency. By selecting a grinding disc 6 of appropriate specifications, the blade surface and weld of the tool can be ground, and the limitation of use is relatively small.

[0024] Example 2

[0025] like Figure 2 , Figure 5 and Figure 6 As shown, on the basis of Example 1, it also includes a screw rod 16 and a stepper motor 17, the screw rod 16 is rotatably mounted on the column 2, the screw rod 16 is rotatably connected to the slide 3 through a screw nut, the stepper motor 17 is mounted on the column 2, and the output shaft of the stepper motor 17 is transmission-connected to the screw rod 16; it also includes a cross bar 18, a limit switch 19 and a limit switch 20, the cross bar 18 is mounted on the slide 3, the limit switch 19 and the limit switch 20 are mounted on the cross bar 18, and a sensing element is arranged on the slide 2 4, and the sensing element matches the limit switch 19 and the limit switch 20.

[0026] The stepper motor 17 drives the screw 16 to rotate, and the screw 16 drives the slide 3 to move up and down on the column 2 through the screw nut, thereby driving the grinding disc 6 to move up and down to grind multiple shield machine tools in batches. The technology is mature and reliable. When the slide 24 moves horizontally on the slide 3, when the sensing part on the slide 24 is aligned with the limit switch 19, the limit switch 19 generates a signal to stop the push cylinder 7. At this time, the outer end surface of the grinding disc 6 is aligned with the inner end surfaces of multiple shield machine tools. When the sensing part on the slide 24 is aligned with the limit switch 20, the limit switch 20 generates a signal to stop the push cylinder 7. At this time, the inner end surface of the grinding disc 6 is aligned with the outer end surfaces of multiple shield machine tools, thereby realizing the automatic adjustment of the grinding disc 6 and improving the grinding accuracy.

[0027] like Figures 1 to 6 As shown, a shield machine tool grinding device of the utility model, when working, firstly push rod 2 13 to lay two tool holders 8 flat on both sides of bottom plate 1, load multiple shield machine tools between two fixed clamping plates 9 and movable clamping plates 10 respectively, and make the tool heads face upwards, push rod 2 13 flips and erects the two tool holders 8, so that the tool heads of multiple shield machine tools are relatively arranged on the left and right sides of column 2, then push cylinder 17 telescopically drives slide 2 4 to move horizontally on slide 3, when limit switch 19 generates a signal, push cylinder 17 stops, so that the outer end face of grinding disc 6 is aligned with the inner end faces of multiple shield machine tools, motor 5 drives grinding disc 6 to rotate at high speed, stepper motor 17 drives screw rod 16 to rotate, so that slide 3 is lifted and lowered on column 2, so that the outer end of grinding disc 6 faces multiple The inner end surface of the shield machine tool is polished, and then the single-sided polishing of multiple shield machine tools is completed. The push cylinder 7 is retracted again to drive the slide 2 4 to move horizontally on the slide 3. When the limit switch 20 generates a signal, the inner end surface of the grinding disk 6 is aligned with the outer end surfaces of multiple shield machine tools. The stepper motor 17 drives the screw rod 16 to rotate, so that the slide 3 is raised and lowered on the column 2, so that the outer end surface of the grinding disk 6 is polished against the inner end surfaces of multiple shield machine tools. Finally, the double-sided polishing of the shield machine tool is completed, the motor 5 stops, and the two arm rods 14 are rotated to disengage the two hooks 15 from the positioning rods of the two tool holders 8 respectively, and the two tool holders 8 are flipped and laid flat to the left and right outer sides of the base plate 1, and the multiple screw rods 11 are rotated to loosen the two movable clamping plates 10, and the multiple shield machine tools can be removed.

[0028] The main functions achieved by this utility model are:

[0029] 1. It can clamp and grind multiple shield machine cutters with high working efficiency;

[0030] 2. It can grind the blades and welds of multiple shield machine cutters, with fewer limitations in use;

[0031] 3. It can realize fully automatic grinding.

[0032] The utility model is a shield machine tool grinding device, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; the utility model is a shield machine tool grinding device. The base plate 1, column 2, slide 1 3, slide 2 4, motor 5, grinding disc 6, push cylinder 1 7, screw 11, push rod 2 13, screw 16, stepper motor 17, limit switch 1 19, and limit switch 2 20 are purchased on the market, and technical personnel in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0033] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A shield machine tool grinding device, comprising a base plate (1), a column (2), a motor (5) and a grinding disc (6), wherein the column (2) is vertically mounted on the base plate (1), and the grinding disc (6) is concentrically mounted on the output shaft of the motor (5); characterized in that: The invention also comprises a slideway 1 (3), a slideway 2 (4), a push cylinder 1 (7) and two tool racks (8); the slideway 1 (3) is slidably mounted on the column (2) in a manner that it can be raised or lowered; the slideway 2 (4) is horizontally slidably mounted on the slideway 1 (3); a motor (5) is mounted on the end surface of the slideway 2 (4); a grinding disc (6) is located outside the other end surface of the slideway 2 (4); a fixed end of the push cylinder 1 (7) is mounted on the slideway 2 (4); a piston rod of the push cylinder 1 (7) is connected to the slideway 1 (3); the lower ends of the two tool racks (8) are rotatably connected to the bottom plate (1); the two tool racks (8) are respectively located on the left and right sides of the column (2); a plurality of shield machine tools are loaded on the two tool racks (8); and the two tool racks (8) can be laid flat or erected.

2. A shield machine tool grinding device as claimed in claim 1, characterized in that: The invention also comprises two fixed clamping plates (9), two movable clamping plates (10) and a plurality of screw rods (11). The two fixed clamping plates (9) are respectively mounted on the two tool holders (8), the two movable clamping plates (10) are respectively slidably mounted on the two tool holders (8), clamping notches are arranged on the opposite surfaces of the fixed clamping plates (9) and the movable clamping plates (10), the plurality of screw rods (11) are respectively rotatably screwed on the two tool holders (8), and the inner ends of the two screw rods (11) are respectively rotatably connected to the two movable clamping plates (10).

3. A shield machine tool grinding device as claimed in claim 2, characterized in that: It also comprises a plurality of positioning baffles (12), and the positioning baffles (12) are all arranged at the bottom of the clamping notches of the two fixed clamping plates (9) and the two movable clamping plates (10).

4. A shield machine tool grinding device as claimed in claim 1, characterized in that: It also includes a second push rod (13), the middle part of which is mounted on the bottom plate (1), and the two ends of the second push rod (13) are respectively rotatably connected to the two tool holders (8).

5. A shield machine tool grinding device as claimed in claim 1, characterized in that: The utility model also comprises two arm rods (14) and two hooks (15), wherein the inner ends of the two arm rods (14) are rotatably connected to the upper end of the column (2), the outer ends of the two arm rods (14) are both provided with hooks (15), and the two tool holders (8) are both provided with positioning rods matching with the hooks (15).

6. A shield machine tool grinding device as claimed in claim 1, characterized in that: The invention also comprises a screw rod (16) and a stepping motor (17), wherein the screw rod (16) is rotatably mounted on the column (2), the screw rod (16) is rotatably connected to the slide table 1 (3) via a screw rod nut, the stepping motor (17) is mounted on the column (2), and the output shaft of the stepping motor (17) is transmission-connected to the screw rod (16).

7. A shield machine tool grinding device as claimed in claim 1, characterized in that: The invention also comprises a cross bar (18), a limit switch 1 (19) and a limit switch 2 (20), wherein the cross bar (18) is mounted on the slide 1 (3), the limit switch 1 (19) and the limit switch 2 (20) are mounted on the cross bar (18), and a sensing element is arranged on the slide 2 (4), and the sensing element matches the limit switch 1 (19) and the limit switch 2 (20).

Images