Automatic centering drilling clamp

Abstract

The utility model discloses an automatic centering drilling clamp in the technical field of drilling auxiliary devices, which is reasonable in structure and is provided with a workpiece bracket A and a workpiece bracket B. A bottom plate A on the workpiece bracket A is matched with a rack A to be arranged on one side of a gear in a meshed state, so that the workpiece bracket A is matched with the rack A; a bottom plate B on a workpiece bracket B is matched with a rack B to be arranged on the other side of the gear in a meshed state, so that a workpiece is placed on the workpiece bracket A and the workpiece bracket B, any one side is pushed, the two sides of the workpiece can be clamped and fixed, the position of the workpiece and a drill bit are centered at the moment, and the workpiece is pushed to be in contact with the drill bit; in the operation process, measurement with a ruler in advance and marking treatment are not needed, automatic centering drilling operation can be achieved, the situation that the error rate is easily increased due to marking after measurement with the ruler is avoided as much as possible, and the workpiece drilling efficiency and the drilling effect are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling auxiliary devices, in particular to an automatic centering drilling fixture. Background Art

[0002] Workpiece drilling technology is a processing technology used to drill holes on workpieces. In the manufacturing industry, drilling is a common processing technology used to form holes on workpieces to install bolts, pins, bearings and other parts, or for connection, transmission, ventilation and other purposes. General drilling, especially double hole drilling, must be automatically centered. In addition to automated equipment, it can only be done by measuring and marking with a ruler in advance, aligning the marks and then drilling. The process is relatively troublesome and the procedures are cumbersome. On the one hand, it increases the workload of relevant technical personnel, and on the other hand, it also reduces the efficiency of workpiece drilling. At the same time, the use of automated equipment has poor economic efficiency. The use of marking and then drilling is inefficient and prone to high error rates, thereby reducing the drilling efficiency and effect.

[0003] Therefore, it is necessary to develop an automatic centering drilling fixture. Utility Model Content

[0004] The utility model aims to provide an automatic centering drilling fixture, which is provided with a workpiece bracket A and a workpiece bracket B, and the base plate A on the workpiece bracket A is matched with the rack A and is arranged on one side of the gear in a meshing state, and the base plate B on the workpiece bracket B is matched with the rack B and is arranged on the other side of the gear in a meshing state, so that the workpiece is placed on the workpiece bracket A and the workpiece bracket B, and by pushing any side, the two sides of the workpiece can be clamped and fixed. At this time, the position of the workpiece is centered with the drill bit, and the workpiece can be pushed until it contacts the drill bit to achieve the centering drilling of the workpiece. During the operation, there is no need to measure with a ruler in advance and mark it, and the automatic centering drilling operation can be realized, and the situation that the error rate is easily increased after measuring with a ruler and marking is avoided as much as possible, which effectively improves the workpiece drilling efficiency and drilling effect, so as to solve the problem that the centering drilling effect of the workpiece is poor and affects the efficiency proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic centering drilling fixture, comprising a base, both sides of the upper surface of the base are provided with slide rails A, one side of the top of the base is provided with a mounting frame, a moving plate is provided on the other side of the top of the base, both sides of the upper surface of the moving plate are provided with slide rails B, and a gear is rotatably connected to the top center of the moving plate;

[0006] A workpiece bracket A is installed on one side of the top of the movable plate, a workpiece bracket B is installed on the other side of the top of the movable plate, and a fixing seat is installed on one side of the top of the workpiece bracket A and the workpiece bracket B.

[0007] Preferably, motors are installed on both sides of the top of the mounting frame, and a drill bit is installed at the output end of the motor.

[0008] Preferably, a slide seat is installed at the bottom center of the movable plate, and the slide seat is slidably connected to the slide rail A.

[0009] Preferably, the workpiece bracket A is slidably connected to the slide rail B, a base plate A is installed at the bottom center of the workpiece bracket A, a rack A is installed below the outer wall of one side of the base plate A, and the teeth on the rack A are meshed with the teeth on the gear.

[0010] Preferably, the workpiece bracket B is slidably connected to the slide rail B, a base plate B is installed at the bottom center of the workpiece bracket B, a rack B is installed above the outer wall of one side of the base plate B, and the teeth on the rack B are meshed with the teeth on the gear.

[0011] Preferably, the interior of the fixing seat is rotatably connected with left and right threaded rods, and moving blocks are installed on both sides of the outer walls of the left and right threaded rods.

[0012] Preferably, a threaded hole is provided at the center of the surface of the moving block, and the inner wall of the threaded hole is threadedly connected to the outer walls of the left and right threaded rods.

[0013] Preferably, a clamping plate is installed on one side outer wall of the moving block, and a hand wheel is installed on one end of the left and right threaded rods.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By providing a workpiece bracket A and a workpiece bracket B, the base plate A on the workpiece bracket A is matched with the rack A and is arranged on one side of the gear in a meshing state, and the base plate B on the workpiece bracket B is matched with the rack B and is arranged on the other side of the gear in a meshing state, so that the workpiece is placed on the workpiece bracket A and the workpiece bracket B, and by pushing any side, the two sides of the workpiece can be clamped and fixed. At this time, the position of the workpiece is centered with the drill bit, and the workpiece can be pushed until it contacts the drill bit to achieve the center drilling of the workpiece. During the operation, there is no need to measure with a ruler in advance and mark it, and automatic center drilling operation can be achieved. The situation that the error rate is easily increased after measuring with a ruler and marking is avoided as much as possible, which effectively improves the drilling efficiency and drilling effect of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A top view cross-sectional view provided for the utility model;

[0017] Figure 2 A top view provided for the utility model;

[0018] Figure 3 The utility model provides Figure 1 A magnified view of the structure at A;

[0019] Figure 4 The utility model is provided for the local structure stereoscopic schematic diagram.

[0020] In the figure: 1. base; 101. slide rail A; 2. mounting frame; 201. motor; 202. drill bit; 3. moving plate; 301. slide rail B; 302. gear; 303. slide seat; 4. workpiece bracket A; 401. bottom plate A; 402. rack A; 5. workpiece bracket B; 501. bottom plate B; 502. rack B; 6. fixed seat; 601. left and right threaded rods; 602. moving block; 603. threaded hole; 604. clamping plate; 605. handwheel. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides the following technical solutions: automatic centering drilling fixture, please refer to Figure 1-4 , comprising a base 1, both sides of the upper surface of the base 1 are provided with slide rails A101, a mounting frame 2 is installed on one side of the top of the base 1, both sides of the top of the mounting frame 2 are provided with motors 201, and a drill bit 202 is installed at the output end of the motor 201. Two groups of motors 201 are symmetrically installed on both sides of the top of the mounting frame 2 on the base 1, and the drill bit 202 is installed at the output end of the two groups of motors 201, so that the two groups of motors 201 synchronously drive the drill bit 202, and at the same time, the two groups of motors 201 start the direction In this method, a synchronous start-up process is adopted. A moving plate 3 is installed on the other side of the top of the base 1. Slide rails B301 are arranged on both sides of the upper surface of the moving plate 3. A gear 302 is rotatably connected to the top center of the moving plate 3. A slide seat 303 is installed at the bottom center of the moving plate 3. The slide seat 303 is slidably connected to the slide rail A101. The moving plate 3 is installed on the slide rail A101 on the base 1 by the slide seat 303 in a sliding manner, so that the moving plate 3 can be horizontally moved forward and backward on the top of the base 1.

[0023] A workpiece bracket A4 is installed on one side of the top of the movable plate 3, and the workpiece bracket A4 is slidably connected to the slide rail B301. A bottom plate A401 is installed at the bottom center of the workpiece bracket A4, and a rack A402 is installed below the outer wall of one side of the bottom plate A401, and the teeth on the rack A402 are meshed with the teeth on the gear 302. A workpiece bracket B5 is installed on the other side of the top of the movable plate 3, and the workpiece bracket B5 is slidably connected to the slide rail B301. A bottom plate B501 is installed at the bottom center of the workpiece bracket B5, and a rack B502 is installed above the outer wall of one side of the bottom plate B501, and the teeth on the rack B502 are meshed with the teeth on the gear 302. The workpiece bracket A4 is installed on the slide rail B301 on the movable plate 3 in a sliding manner, so that the workpiece bracket A4 can slide horizontally left and right on the top left side of the movable plate 3. By sliding the workpiece bracket B5 The workpiece bracket B5 is installed on the slide rail B301 on the movable plate 3 in a movable manner, so that the workpiece bracket B5 can slide horizontally left and right on the top right side of the movable plate 3, and the bottom plate A401 on the workpiece bracket A4 is matched with the rack A402 to be arranged on one side of the gear 302 in a meshing state, and the bottom plate B501 on the workpiece bracket B5 is matched with the rack B502 to be arranged on the other side of the gear 302 in a meshing state, so that the workpiece is placed on the workpiece bracket A4 and the workpiece bracket B5, and by pushing any side, the two sides of the workpiece can be clamped and fixed. At this time, the position of the workpiece is centered with the drill bit 202, and the movable plate 3 is pushed until the workpiece contacts the drill bit 202, so that the workpiece can be drilled in the center. The workpiece bracket A4 and the workpiece bracket B5 can automatically center the workpiece according to the length of the workpiece by the relative movement of the rack A402 and the rack B502 and the gear 302;

[0024] A fixed seat 6 is installed on one side of the top of the workpiece bracket A4 and the workpiece bracket B5. The inner part of the fixed seat 6 is rotatably connected with the left and right threaded rods 601. Moving blocks 602 are installed on both sides of the outer walls of the left and right threaded rods 601. A threaded hole 603 is opened at the center of the surface of the moving block 602. The inner wall of the threaded hole 603 is threadedly connected with the outer wall of the left and right threaded rods 601. A clamping plate 604 is installed on the outer wall of one side of the moving block 602. A hand wheel 605 is installed at one end of the left and right threaded rods 601. The two sets of clamping plates 604 are moved by the moving block 602. Cooperating with the threaded hole 603, it is installed on both sides of the outer wall of the left and right threaded rods 601 in the fixing seat 6 in a threaded connection manner. According to the effect that one side of the outer wall of the left and right threaded rods 601 is a left thread and the other side is a right thread, by turning the hand wheel 605 until the left and right threaded rods 601 are rotated, the clamping plate 604 can be synchronously moved outward or inward horizontally. After the workpiece is fixed on both sides by the workpiece bracket A4 and the workpiece bracket B5, the hand wheel 605 is turned until the two sets of clamping plates 604 fix the workpiece at the front and rear to ensure the stability of the workpiece during the drilling process.

[0025] Working principle: When using the utility model, two groups of motors 201 are symmetrically mounted on both sides of the top of the mounting frame 2 on the base 1, and drill bits 202 are installed at the output ends of the two groups of motors 201, so that the two groups of motors 201 drive the drill bits 202 synchronously, and the two groups of motors 201 are started in a synchronous manner, and the moving plate 3 is mounted on the slide rail A101 on the base 1 by the slide seat 303 in a sliding manner, so that the moving plate 3 can be horizontally moved forward and backward on the top of the base 1, and the workpiece bracket A4 is mounted on the slide rail of the moving plate 3 in a sliding manner. The workpiece bracket A4 is mounted on the slide rail B301 on the moving plate 3 so that the workpiece bracket A4 can slide horizontally left and right on the top left side of the moving plate 3. The workpiece bracket B5 is mounted on the slide rail B301 on the moving plate 3 in a sliding manner so that the workpiece bracket B5 can slide horizontally left and right on the top right side of the moving plate 3. The bottom plate A401 on the workpiece bracket A4 is matched with the rack A402 and is arranged on one side of the gear 302 in a meshing state, and the bottom plate B501 on the workpiece bracket B5 is matched with the rack B502 and is arranged on the other side of the gear 302 in a meshing state, so that the workpiece is placed between the workpiece bracket A4 and the workpiece bracket B5. By pushing any side on the bracket B5, the workpiece can be clamped and fixed on both sides. At this time, the position of the workpiece is centered with the drill bit 202. Push the movable plate 3 until the workpiece contacts the drill bit 202 to achieve the center drilling of the workpiece. The fixing seat 6 is installed correspondingly on one side of the top of the workpiece bracket A4 and the workpiece bracket B5, and the two sets of clamping plates 604 are installed on both sides of the outer wall of the left and right threaded rods 601 in the fixing seat 6 by means of threaded connection through the movable block 602 and the threaded holes 603. According to the effect that one side of the outer wall of the left and right threaded rods 601 is left-threaded and the other side is right-threaded, By turning the hand wheel 605 until the left and right threaded rods 601 rotate, the clamping plates 604 can be synchronously moved horizontally outward or inward. After the workpiece is fixed on both sides by the workpiece bracket A4 and the workpiece bracket B5, the hand wheel 605 is turned until the two sets of clamping plates 604 fix the workpiece at the front and back to ensure the stability of the workpiece during the drilling process. At the same time, during the center drilling operation of the workpiece, there is no need to measure with a ruler in advance and mark it, and the automatic center drilling operation can be achieved. The situation that the error rate is easily increased after measuring with a ruler and marking is avoided as much as possible, which effectively improves the workpiece drilling efficiency and drilling effect.

[0026] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An automatic centering drilling fixture, comprising a base (1), wherein both sides of the upper surface of the base (1) are provided with slide rails A (101), and a mounting frame (2) is installed on one side of the top of the base (1), characterized in that: A movable plate (3) is installed on the other side of the top of the base (1), and slide rails B (301) are arranged on both sides of the upper surface of the movable plate (3). A gear (302) is rotatably connected to the center of the top of the movable plate (3); A workpiece bracket A (4) is installed on one side of the top of the movable plate (3), a workpiece bracket B (5) is installed on the other side of the top of the movable plate (3), and a fixed seat (6) is installed on one side of the top of the workpiece bracket A (4) and the workpiece bracket B (5).

2. The automatic centering drilling fixture according to claim 1, characterized in that: Motors (201) are installed on both sides of the top of the mounting frame (2), and a drill bit (202) is installed at the output end of the motor (201).

3. The automatic centering drilling fixture according to claim 1, characterized in that: A sliding seat (303) is installed at the center of the bottom of the movable plate (3), and the sliding seat (303) is slidably connected to the slide rail A (101).

4. The automatic centering drilling fixture according to claim 1, characterized in that: The workpiece bracket A (4) is slidably connected to the slide rail B (301), a bottom plate A (401) is installed at the bottom center of the workpiece bracket A (4), a rack A (402) is installed below the outer wall of one side of the bottom plate A (401), and the teeth on the rack A (402) are meshed with the teeth on the gear (302).

5. The automatic centering drilling fixture according to claim 1, characterized in that: The workpiece bracket B (5) is slidably connected to the slide rail B (301), a bottom plate B (501) is installed at the bottom center of the workpiece bracket B (5), a rack B (502) is installed above the outer wall of one side of the bottom plate B (501), and the teeth on the rack B (502) are meshed with the teeth on the gear (302).

6. The automatic centering drilling fixture according to claim 1, characterized in that: The interior of the fixing seat (6) is rotatably connected with left and right threaded rods (601), and both sides of the outer walls of the left and right threaded rods (601) are equipped with moving blocks (602).

7. The automatic centering drilling fixture according to claim 6, characterized in that: A threaded hole (603) is provided at the center of the surface of the moving block (602), and the inner wall of the threaded hole (603) is threadedly connected to the outer walls of the left and right threaded rods (601).

8. The automatic centering drilling fixture according to claim 7, characterized in that: A clamping plate (604) is installed on one side outer wall of the moving block (602), and a hand wheel (605) is installed on one end of the left and right threaded rods (601).

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