Door face grinding device

Abstract

The utility model belongs to the field of civil air defense door production, and discloses a door face grinding device which comprises a table assembly used for supporting and clamping a civil air defense door to be erected and further comprises a translation assembly installed on the table assembly and used for reciprocating motion, and a grinding assembly used for conducting continuous strip-shaped grinding on the two faces of the civil air defense door at the same time is installed on the translation assembly. The translation assembly comprises two first supports which are symmetrically arranged front and back, a lead screw is installed between the first supports, a first motor is arranged at one end of the lead screw, and a movable frame is installed between the lead screw; the grinding assembly comprises two second supports which are symmetrically arranged front and back. According to the door face coping device, through the arrangement of continuous strip-shaped coping, the door face coping effect is guaranteed, and the door face coping speed is increased; by means of the arrangement that the two faces of the civil air defense door are ground at the same time, the stress uniformity is guaranteed; and through the arrangement of pneumatic alternate clamping of the two ends, the comprehensiveness of door face grinding is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of civil air defense door production, in particular to a door surface grinding device. Background Art

[0002] Civil defense doors are the doors at the entrances and exits of people's defense projects. They are clearly classified into ordinary single-leaf and double-leaf protective closed doors and closed doors, movable threshold single-leaf and double-leaf protective closed doors and closed doors, etc. In order to ensure the appearance and quality of use, the door surface generally needs to be polished.

[0003] The Chinese patent with comparison announcement number CN213258660U discloses a CNC grinding and polishing device for metal door surfaces, including a dust collecting box, the upper surface of the dust collecting box is fixedly connected to a supporting frame, the upper surface of the supporting frame is fixedly connected to a first motor, the output end of the first motor is fixedly connected to one end of an electric telescopic rod, the other end of the electric telescopic rod is fixedly connected to a first sliding block, the first sliding block is slidably connected to the first sliding bar, the first sliding block is fixedly connected to a second supporting plate by bolts, the second supporting plate is fixedly connected to a second sliding bar, the second sliding bar is slidably connected to a second sliding block, a side of the second sliding bar away from the second sliding bar is fixedly connected to a cylinder, the output end of the cylinder is fixedly connected to a first mounting frame, a third motor is fixedly installed in the first mounting frame, the output end of the third motor is fixedly connected to one end of a rotating shaft, the other end of the rotating shaft is fixedly connected to a second gear, the second gear outer shell is provided with a gear ring, and a plurality of first gears are meshed between the gear ring and the second gear.

[0004] However, the above patent adopts disc grinding, the speed of door surface grinding is slow, and the two ends are fixed and clamped, which cannot ensure the comprehensiveness of door surface grinding, so a new equipment needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a door surface grinding device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A door surface grinding device includes a table assembly for supporting and clamping an upright civil air defense door, and also includes a translation assembly for reciprocating movement installed on the table assembly, and a grinding assembly for continuous belt grinding from both sides of the civil air defense door at the same time is installed on the translation assembly; the translation assembly includes two first brackets symmetrically arranged front and back, a screw rod is installed in the middle of the first bracket, a first motor is arranged at one end of the screw rod, and a movable frame is installed in the middle of the screw rod; the grinding assembly includes two second brackets symmetrically arranged front and back, a third cylinder is installed on the outer side of the second bracket, and two conveying rollers are symmetrically installed on the second bracket up and down, a grinding belt is installed between the two conveying rollers, and a second motor is arranged on one side of one of the conveying rollers.

[0008] Furthermore: the table assembly includes a workbench, two first cylinders are symmetrically installed at both ends of the workbench, a fixing clamp is installed at the telescopic end of the first cylinder, and a second cylinder is installed on the fixing clamp.

[0009] Furthermore: the two first cylinders are distributed up and down, and the fixing clamp is made of 204 stainless steel.

[0010] Furthermore: the movable frame and the screw rod are threadedly connected, and the movable frame and the first bracket are slidably connected.

[0011] Furthermore: the second bracket is made of Q235 steel, and the conveying roller is connected to the second bracket by bearings.

[0012] Furthermore: two third cylinders are arranged on each of the second brackets, evenly distributed up and down.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. Through the setting of continuous strip grinding, the grinding effect of the facade is guaranteed and the speed of facade grinding is improved;

[0015] 2. By grinding both sides of the civil air defense door at the same time, the uniformity of force is ensured;

[0016] 3. The setting of pneumatic alternating clamping at both ends ensures the comprehensiveness of door surface grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a door surface grinding device described in the utility model;

[0018] Figure 2 It is a schematic diagram of a table assembly of a door surface grinding device described in the utility model;

[0019] Figure 3 It is a schematic diagram of a translational component of a door surface grinding device described in the utility model;

[0020] Figure 4 It is a schematic diagram of a grinding component of a door surface grinding device described in the utility model.

[0021] In the accompanying drawings: 101, workbench; 102, first cylinder; 103, fixing clamp; 104, second cylinder; 201, first bracket; 202, screw rod; 203, first motor; 204, movable frame; 301, second bracket; 302, third cylinder; 303, conveying roller; 304, grinding belt; 305, second motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 A door surface grinding device includes a table assembly for supporting and clamping an upright civil air defense door, and also includes a translation assembly for reciprocating movement installed on the table assembly, and a grinding assembly for continuous strip grinding from both sides of the civil air defense door is installed on the translation assembly.

[0024] In this embodiment: the table assembly includes a workbench 101, two first cylinders 102 are symmetrically installed at both ends of the workbench 101, and the two first cylinders 102 are distributed up and down. A fixing clamp 103 is installed at the telescopic end of the first cylinder 102, and the fixing clamp 103 is made of 204 stainless steel. A second cylinder 104 is installed on the fixing clamp 103. The civil air defense door is erected on the workbench 101, and the first cylinder 102 at one end of the workbench 101 is extended to push the fixing clamp 103 to insert into the civil air defense door, and the second cylinder 104 is further extended to press the civil air defense door into the fixing clamp 103;

[0025] In this embodiment: the translation assembly includes two first brackets 201 symmetrically arranged front and back, a screw rod 202 is installed in the middle of the first bracket 201, a first motor 203 is arranged at one end of the screw rod 202, a movable frame 204 is installed in the middle of the screw rod 202, the movable frame 204 and the screw rod 202 are threadedly connected, the movable frame 204 and the first bracket 201 are slidably connected, the first bracket 201 supports the first motor 203 to drive the screw rod 202 to rotate and push the movable frame 204 to reciprocate along the first bracket 201, so that the grinding belt 304 reciprocates along the civil air defense door for grinding;

[0026] In this embodiment: the grinding assembly includes two second brackets 301 symmetrically arranged front and back, the second brackets 301 are made of Q235 steel material, and a third cylinder 302 is installed on the outer side of the second bracket 301. Two third cylinders 302 are arranged on each second bracket 301, and are evenly distributed up and down. Two conveying rollers 303 are symmetrically installed on the second bracket 301 up and down, and the conveying rollers 303 are connected to the second bracket 301 bearings. A grinding belt 304 is installed between the two conveying rollers 303, and a second motor 305 is arranged on one side of one of the conveying rollers 303. The third cylinder 302 extends to push the second bracket 301 to approach the civil air defense door from both sides, and the second bracket 301 supports the second motor 305 to drive the conveying roller 303 to rotate, thereby pushing the grinding belt 304 to move in a circle to grind both sides of the civil air defense door from both sides.

[0027] Working principle: First, erect the civil air defense door on the workbench 101, and the first cylinder 102 at one end of the workbench 101 extends to push the fixing clamp 103 to insert into the civil air defense door, and the second cylinder 104 extends to press the civil air defense door into the fixing clamp 103, and then the movable frame 204 supports the third cylinder 302 to extend and push the second bracket 301 to approach the civil air defense door from both sides, and the second bracket 301 supports the second motor 305 to drive the conveying roller 303 to rotate, pushing the grinding belt 304 to move cyclically Polish both sides of the civil defense door from both sides. At the same time, the first bracket 201 supports the first motor 203 to drive the screw rod 202 to rotate and push the movable frame 204 to move back and forth along the first bracket 201, so that the polishing belt 304 moves back and forth along the civil defense door for polishing. After completion, the first cylinder 102 and the second cylinder 104 at the other end of the workbench 101 extend and clamp the other end of the civil defense door, while the first cylinder 102 and the second cylinder 104 at this end retract to release the civil defense door to ensure the polishing of this end.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A door surface grinding device, comprising a table assembly for supporting and clamping a civil air defense door, characterized in that: It also includes a translation assembly for reciprocating movement installed on the table assembly, and a grinding assembly for continuous strip grinding from both sides of the civil air defense door is installed on the translation assembly; The translation assembly comprises two first brackets (201) symmetrically arranged front and back, a screw rod (202) is installed in the middle of the first bracket (201), a first motor (203) is arranged at one end of the screw rod (202), and a movable frame (204) is installed in the middle of the screw rod (202); The grinding assembly comprises two second brackets (301) symmetrically arranged front and back, a third cylinder (302) is installed on the outer side of the second bracket (301), two conveying rollers (303) are symmetrically installed on the upper and lower sides of the second bracket (301), a grinding belt (304) is installed between the two conveying rollers (303), and a second motor (305) is arranged on one side of one of the conveying rollers (303).

2. A door surface grinding device according to claim 1, characterized in that: The table assembly comprises a workbench (101), two first cylinders (102) are symmetrically mounted at both ends of the workbench (101), a fixing clamp (103) is mounted at the telescopic end of the first cylinder (102), and a second cylinder (104) is mounted on the fixing clamp (103).

3. A door surface grinding device according to claim 2, characterized in that: The two first cylinders (102) are distributed up and down, and the fixing clamp (103) is made of 204 stainless steel.

4. The door surface grinding device according to claim 1, characterized in that: The movable frame (204) and the screw rod (202) are threadedly connected, and the movable frame (204) and the first bracket (201) are slidably connected.

5. The door surface grinding device according to claim 1, characterized in that: The second bracket (301) is made of Q235 steel, and the conveying roller (303) is bearing-connected to the second bracket (301).

6. The door surface grinding device according to claim 1, characterized in that: Each of the second brackets (301) is provided with two third cylinders (302), which are evenly distributed up and down.

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