Machining device for chip groove of cross-shaped alloy drill bit

Abstract

The utility model provides a machining device for a chip groove of a cross-shaped alloy drill bit, and aims to solve the technical problem that polishing dead angles exist when the chip groove of the cross-shaped alloy drill bit is machined through a polishing disc in the prior art. The machining device comprises a base, the top of the base is rotationally provided with a clamp, and the clamp is used for fixing a cross-shaped alloy drill bit; the support is arranged on the top of the base and located on the side portion of the calipers, and the top of the support is provided with a sliding way arranged in the transverse direction; the sliding plate is slidably arranged in a slide way at the top of the bracket; the middle of the truss is rotationally arranged at one end of the sliding plate and located above the calipers, rotors are arranged at the two ends of the truss, the rotors are sleeved with crawler belts, and polishing pieces are arranged on the crawler belts; the first motor is arranged on the truss, and the output end of the first motor is connected with one rotor; and the second motor is arranged on the sliding plate and is in power connection with a rotating shaft in the middle of the truss, and the second motor is provided with a self-locking speed reducing mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bits, in particular to a cross alloy drill bit chip groove processing device. Background Art

[0002] The cross alloy drill bit is an indispensable product in the anchoring system, and the chip groove of the product has a large bevel angle. Chinese patent CN202020498164.2 discloses a cross alloy drill bit chip groove processing device, which grinds the cross alloy drill bit chip groove by a grinding disc, and drives the grinding disc to rotate by a motor. During the processing of the rotating grinding disc, there is a grinding dead angle. Utility Model Content

[0003] Aiming at the technical problem that the prior art processes the chip grooves of a cross alloy drill bit by a grinding disc and there are grinding dead angles, the utility model provides a cross alloy drill bit chip groove processing device, which has the advantage of grinding the chip grooves of a cross alloy drill bit in all directions.

[0004] The technical solution of the utility model is:

[0005] A cross alloy drill chip groove processing device, comprising:

[0006] A base, the top of which is rotatably provided with a caliper, the caliper being used to fix a cross alloy drill bit;

[0007] A bracket, arranged on the top of the base and located on the side of the caliper, wherein the top of the bracket has a slideway arranged in a transverse direction;

[0008] A slide plate, slidably arranged in a slideway on the top of the bracket;

[0009] A truss, wherein the middle part is rotatably arranged on one end of the slide plate and is located above the caliper, and rotors are arranged at both ends of the truss, crawlers are arranged on the rotors, and grinding plates are arranged on the crawlers;

[0010] A first motor, disposed on the truss, with an output end connected to one of the rotors;

[0011] The second motor is arranged on the slide plate and is dynamically connected to the rotating shaft in the middle of the truss. The second motor is provided with a self-locking speed reduction mechanism.

[0012] Optionally, a driving assembly is provided on the bracket, and the driving assembly is connected to the skateboard and is used to drive the skateboard to slide.

[0013] Optionally, the driving assembly comprises:

[0014] A connecting plate is vertically arranged on one end of the slide plate away from the truss, and the connecting plate has a threaded hole;

[0015] A screw rod is matched in the threaded hole, and two ends of the screw rod are rotatably mounted on a support seat, and the support seat is mounted on the bracket;

[0016] The third motor is arranged on the top of the bracket, and the output shaft of the third motor is connected to one end of the screw rod.

[0017] Optionally, the bottom of the bracket has a triangular support portion, and the top of the bracket close to the truss has a pressure wheel, and the pressure wheel is in rolling contact with the top surface of the skateboard.

[0018] Optionally, a guide wheel for lifting the crawler track is provided on one side of the truss.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] First, fix the cross alloy drill bit on the caliper. After the installation is completed, the inclination angle of the inclined surface of the chip groove of the cross alloy drill bit is consistent with the inclination angle of the truss. At this time, start the first motor to drive the crawler to rotate, thereby driving the grinding plate to rotate, and then move the slide plate to make the slide plate carry the truss to move horizontally on the bracket, so as to grind the chip groove of the cross alloy drill bit. In this process, the grinding plate is arranged along a straight line. Therefore, compared with the circular grinding disc in the prior art, the present invention has a large grinding range, so that the chip groove of the cross alloy drill bit can be grinded in all directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the top of the bracket. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] Example:

[0029] See also Figure 1 and Figure 2 A cross alloy drill chip groove processing device includes a base 1, a caliper 2, a bracket 3, a slide plate 4, a truss 5, a crawler 6, a rotor 7, a grinding sheet, a first motor 8, a second motor 9 and a reduction mechanism. Specifically, the caliper 2 is arranged on the top of the base 1, the caliper 2 can rotate on the base 1, and the caliper 2 has a limiting structure, so that the caliper 2 rotates at an angle of 90° each time.

[0030] The cross alloy drill bit 10 can be fixedly mounted on the caliper 2 so that one end of the cross structure of the cross alloy drill bit 10 is on a horizontal plane.

[0031] The bracket 3 is fixedly arranged on the base 1, and a slideway is arranged horizontally on the top of the bracket 3. When the cross alloy drill bit 10 is fixed on the caliper 2, the length direction of one end of the cross structure on the top of the cross alloy drill bit 10 is the same as the length direction of the slideway.

[0032] A slide plate 4 is slidably arranged in the slideway, one end of the slide plate 4 is facing the cross alloy drill bit 10, and a truss 5 is rotatably installed on this end of the slide plate 4. The truss 5 is a linear structure, and the middle part of the truss 5 is rotatably connected to the end of the slide plate 4.

[0033] A rotor 7 is respectively arranged at both ends of the truss 5 , an annular crawler 6 is sleeved on the two rotors 7 , and a plurality of grinding sheets are arranged on the outer surface of the crawler 6 .

[0034] The first motor 8 is fixedly arranged on one end of the truss 5, and the output shaft of the first motor 8 is connected to a rotor 7 and drives the rotor 7 to rotate, thereby driving the crawler 6 and the grinding plate to rotate.

[0035] A second motor 9 is arranged on the slide plate 4, and the output shaft of the second motor 9 is dynamically connected to the rotating shaft of the truss 5. The second motor 9 can directly drive the truss 5 to rotate. At the same time, a reduction mechanism is arranged between the output shaft of the second motor 9 and the rotating shaft of the truss 5. The reduction mechanism can realize self-locking of the truss 5, that is, when the second motor 9 drives the truss 5 to rotate, the truss 5 cannot rotate after being subjected to external force.

[0036] In this embodiment, the cross alloy drill bit 10 is first fixed on the caliper 2. After the installation is completed, the inclination angle of the inclined surface of the chip groove of the cross alloy drill bit 10 is consistent with the inclination angle of the truss 5. At this time, the first motor 8 is started to drive the crawler 6 to rotate, thereby driving the grinding plate to rotate, and then the slide plate 4 is moved so that the slide plate 4 carries the truss 5 and moves horizontally on the bracket 3, thereby grinding the chip groove of the cross alloy drill bit 10. In this process, the grinding plate is arranged along a straight line. Therefore, compared with the circular grinding disc in the prior art, the present invention has a large grinding range, thereby grinding the chip groove of the cross alloy drill bit 10 in all directions.

[0037] After the grinding of the chip groove on one side of the cross alloy drill bit 10 is completed, the truss 5 is driven to rotate by the second motor 9, so that the second truss 5 rotates to the chip groove on the other side to grind the chip groove on the other side.

[0038] When one end of the cross alloy drill bit 10 is polished, the caliper is rotated 290 degrees and the above operation is repeated to complete the polishing.

[0039] In one specific embodiment:

[0040] A driving assembly is provided on the bracket 3, and the driving assembly is connected to the slide plate 4 and is used to drive the slide plate 4 to slide. By driving the slide plate 4 to move through the driving assembly, the chip groove of the cross alloy drill bit 10 can be evenly polished.

[0041] Specifically, the driving assembly includes a connecting plate 11, a screw rod 12 and a third motor 13. Specifically, the connecting plate 11 is fixedly disposed on one end of the skateboard 4, and the connecting plate 11 is disposed perpendicularly to the skateboard 4. In addition, the connecting plate 11 is located on one end of the skateboard 4 away from the truss 5, and a threaded hole is provided at the top of the connecting plate 11.

[0042] A screw rod 12 is matched in the threaded hole of the connecting plate 11 , and two ends of the screw rod 12 are rotatably connected to two ends of the top of the bracket 3 through a supporting seat respectively.

[0043] The third motor 13 is fixedly mounted on the bracket 3 , and the output shaft of the third motor 13 is dynamically connected to one end of the screw rod 12 , so that the screw rod 12 is driven to rotate by the third motor 13 .

[0044] The forward or reverse rotation of the screw rod 12 can drive the slide plate 4 to slide in the slideway, thereby driving the truss 5 to move along the length direction of one end of the cross alloy drill bit 10 to grind the chip groove on the side of one end of the cross alloy drill bit 10.

[0045] In another specific embodiment:

[0046] The bottom of the bracket 3 has a triangular support portion 14, and the top of the bracket 3 near the truss 5 has a pressure wheel 15, and the pressure wheel 15 is in rolling contact with the top surface of the slide plate 4. By providing the pressure wheel 15, the slide plate 4 can be limited.

[0047] In another specific embodiment:

[0048] A guide wheel 16 for lifting the track 6 is provided on one side of the truss 5. By designing the guide wheel 16, the pressure of the track 6, the grinding sheet and the chip groove on the side of one end of the cross alloy drill bit 10 can be increased, thereby improving the grinding efficiency.

[0049] The above-mentioned embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A cross alloy drill chip groove processing device, characterized in that: include: A base, the top of which is rotatably provided with a caliper, the caliper being used to fix a cross alloy drill bit; A bracket, arranged on the top of the base and located on the side of the caliper, wherein the top of the bracket has a slideway arranged in a transverse direction; A slide plate, slidably arranged in a slideway on the top of the bracket; A truss, wherein the middle part is rotatably arranged on one end of the slide plate and is located above the caliper, and rotors are arranged at both ends of the truss, crawlers are arranged on the rotors, and grinding plates are arranged on the crawlers; A first motor, disposed on the truss, with an output end connected to one of the rotors; The second motor is arranged on the slide plate and is dynamically connected to the rotating shaft in the middle of the truss. The second motor is provided with a self-locking speed reduction mechanism.

2. The cross alloy drill chip groove processing device according to claim 1, characterized in that: The bracket is provided with a driving assembly, which is connected to the slide plate and is used to drive the slide plate to slide.

3. The cross alloy drill chip groove processing device according to claim 2, characterized in that: The drive assembly comprises: A connecting plate is vertically arranged on one end of the slide plate away from the truss, and the connecting plate has a threaded hole; A screw rod is matched in the threaded hole, and two ends of the screw rod are rotatably mounted on a support seat, and the support seat is mounted on the bracket; The third motor is arranged on the top of the bracket, and the output shaft of the third motor is connected to one end of the screw rod.

4. The cross alloy drill chip groove processing device according to claim 3, characterized in that: The bottom of the bracket is provided with a triangular supporting portion, and the top of the bracket, at one end close to the truss, is provided with a pressure wheel, and the pressure wheel is in rolling contact with the top surface of the slide plate.

5. The cross alloy drill chip groove processing device according to claim 4, characterized in that: A guide wheel for lifting the crawler track is provided on one side of the truss.

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