Precise cam type clamping device

By using the transmission and support modules of the precision cam-type clamping device, the problem of unstable clamping of micro drill bits was solved, achieving stable grinding and automated production.

CN222327814UActive Publication Date: 2025-01-10CIN PHOWN TECH
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Patent Information

Application Number
CN202321597135.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-06-21
Publication Date
2025-01-10
Estimated Expiration
2033-06-21

AI Technical Summary

Technical Problem

Existing grinding equipment has difficulty in stably clamping micro drill bits, resulting in rotational wobble, which affects grinding quality and efficiency, and requires manual adjustment, hindering the development of automation.

Method used

A precision cam-type clamping device is adopted. Through the cooperation of the transmission module and the support module, the cam drives the slider and the support to open and close, so as to achieve stable clamping of the tip of the micro drill bit and ensure the stability of the grinding process.

Benefits of technology

It improves the grinding quality and efficiency of micro drill bits, reduces the need for manual adjustments, and promotes automated production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a precise cam type clamping device, which comprises a first power source, a second power source and a third power source, the transmission module comprises a sliding block, a first pushing piece and at least one second pushing piece are arranged at the front end and the top of the sliding block respectively, an elastic element is arranged at the bottom of the sliding block, and the elastic element contracts to pull the sliding block to move downwards; the supporting module is provided with a first supporting piece and a second supporting piece in a pivoted mode, the bottom of the first supporting piece and the bottom of the second supporting piece are provided with a first transmission piece and a second transmission piece respectively, the first transmission piece and the second transmission piece are located on the two sides of the second pushing piece respectively, the first power source drives the sliding block to slide up and down, and the second power source drives the sliding block to slide up and down. The top of the first supporting piece and the top of the second supporting piece are driven to be opened or closed, so that the front end of a micro drill point is clamped, and the micro drill point is kept stable and is beneficial to grinding.
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Description

Technical Field

[0001] The utility model relates to an auxiliary drill bit clamping device, in particular to a precise cam type clamping device for clamping the front end of a micro drill bit. Background Art

[0002] At present, micro drills are often used for some precision drilling processes. These micro drills are small in size and have a high length / diameter ratio. They are manufactured by grinding a high-speed steel material that meets the requirements through a precision grinding device. In particular, the cylindrical end must be sharpened for cutting purposes for drilling, and the grinding quality is closely related to the drilling stability, quality or efficiency.

[0003] Due to the small size of the drill bit and its high length / diameter ratio, it must be ground very carefully. Most of the time, precise image detection is used to determine the blade length, drill diameter, angle correction and feed amount positioning. In addition, it must be fixed with a well-designed fixture before the drill bit can be re-ground to meet the standards and restored to a state where it can smoothly drill holes on the circuit board.

[0004] Although the grinding equipment in the existing technology can clamp the drill bit, the drill bit is prone to wobble when rotating, which makes it difficult to grind, increases the defective rate and affects the cost. In addition, additional manpower is required for manual adjustment, which affects work efficiency and is not conducive to the development of automation.

[0005] In view of this, how to eliminate the above-mentioned deficiencies is the technical difficulty that the inventor of the present utility model wants to solve. Therefore, based on many years of experience in the relevant industry, the inventor of the present utility model has worked hard for many years and has devoted himself to research and development, and has tried to improve it. Finally, the present utility model has been successfully developed and completed, and the present utility model has been born to enhance the efficacy. Utility Model Content

[0006] In view of the above-mentioned shortcomings, the utility model provides a precision cam type clamping device, which includes: a first power source, having a transmission shaft, a cam is arranged on the transmission shaft; a transmission module, which includes a seat and a slider, one side of the seat is provided with a groove facing the first power source, at least one slide rail is arranged in the groove, the slide rail is combined with the slider, the front end and the top of the slider are respectively provided with a first push piece and at least one second push piece, the bottom of the slider is provided with an elastic element, the elastic element contracts and pulls the slider downward; and a support module, a first support member and a second support member are pivotally provided, the bottoms of the first support member and the second support member are respectively provided with a first transmission member and a second transmission member, the first transmission member and the second transmission member are respectively located on both sides of the second push piece, the first power source drives the slider to slide up and down, drives the tops of the first support member and the second support member to open and close or move together, thereby clamping the front end of a micro drill needle, so that the micro drill needle remains stable and is conducive to grinding.

[0007] The first support member includes a first bottom rod, a disk body and a first top rod, the disk body is provided with a first through hole, which is provided to be penetrated on the shaft body, and the disk body is combined with the locking part, the first bottom rod is arranged on one side of the bottom of the disk body, and the first top rod is arranged on the other side of the top of the disk body; the second support member includes a second bottom rod, a receiving chamber and a second top rod, the receiving chamber has a second through hole, which is provided to be penetrated on the shaft body, and the locking part and the disk body are covered and accommodated by the receiving chamber, the second bottom rod is arranged on one side of the bottom of the receiving chamber, and the second top rod is arranged on the other side of the top of the receiving chamber, and a predetermined distance is respectively provided between the first bottom rod and the second bottom rod and between the first top rod and the second top rod.

[0008] A tube body is sleeved on the first bearing and the second bearing of the shaft body, one end of the tube body has a stopper, a plurality of bearings are spaced apart on the outside of the tube body, and the stopper is combined with the outer side of the housing of the second support member.

[0009] A bracket is extended from the outer side of the housing of the second supporting member, and an elastic element is arranged at the bottom of the bracket, so that the second supporting member is pushed by the tension of the elastic element.

[0010] The first push rod and the second push rod have a predetermined angle, and the top surfaces of the first push rod and the second push rod are respectively provided with a clamping piece, each clamping piece corresponds to each other, and each clamping piece clamps the micro drill.

[0011] The first transmission member and the second transmission member are respectively arranged on a column, and one end of each column is respectively combined with the bottom of the first support member or the second support member.

[0012] The first ejecting member, the second ejecting member, the first transmission member and the second transmission member are bearings.

[0013] One end of the micro drill is provided to be combined with a clamping unit, which includes a second power source and a clamping portion connected to the second power source. The other end of the micro drill faces a grinding unit, which includes a grinding element and at least one optical module. The grinding element is provided to grind the drilling edge of the micro drill. The optical module shoots the micro drill and outputs the image of the micro drill to a display. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional appearance diagram of the utility model;

[0015] Figure 2 It is a three-dimensional exploded view of the utility model;

[0016] Figure 3 For continuation Figure 2 3D exploded view of

[0017] Figure 4 This is a three-dimensional appearance diagram of the first support member of the utility model;

[0018] Figure 5 This is a three-dimensional appearance diagram of the second supporting member of the utility model;

[0019] Figure 6 It is a cross-sectional view of the utility model;

[0020] Figure 7 It is a schematic diagram of the use state of the utility model.

[0021] Description of Reference Numerals

[0022] 10. The first power source;

[0023] 11. Transmission shaft;

[0024] 12. Cam;

[0025] 20. Transmission module;

[0026] 21. Base body;

[0027] 211, groove;

[0028] 212, slide rail;

[0029] 22. Slider;

[0030] 221, a first ejector member;

[0031] 222, second ejector;

[0032] 223. Elastic element;

[0033] 30. Support module;

[0034] 31. Axis;

[0035] 311, first bearing;

[0036] 312, locking part;

[0037] 313, second bearing;

[0038] 32. a first support member;

[0039] 321, first bottom bar;

[0040] 322, plate body;

[0041] 3221, first through hole;

[0042] 323, first push rod;

[0043] 324, clip;

[0044] 325, first transmission member;

[0045] 326. Column;

[0046] 33. A second support member;

[0047] 331, second bottom bar;

[0048] 332. Room;

[0049] 3321, second through hole;

[0050] 3322, bracket;

[0051] 3323, elastic element;

[0052] 333, second push rod;

[0053] 334, clip;

[0054] 335, second transmission member;

[0055] 336. Column;

[0056] 34. Pipe body;

[0057] 341, stopper;

[0058] 342. Bearings;

[0059] 35. Spring;

[0060] 40. Clamping unit;

[0061] 41. Second power source;

[0062] 42. Clamping portion;

[0063] 50. Grinding unit;

[0064] 51. Grinding element;

[0065] A. Micro drill needle. DETAILED DESCRIPTION

[0066] In order to facilitate the description of the content of the utility model and the effects that can be achieved, specific embodiments are listed in conjunction with the accompanying drawings. Figures 1 to 3 The utility model precision cam type clamping device comprises:

[0067] A first power source 10 has a transmission shaft 11 , and a cam 12 is disposed on the transmission shaft 11 .

[0068] A transmission module 20 includes a seat 21 and a slider 22. A groove 211 facing the first power source 10 is provided on one side of the seat 21. At least one slide rail 212 is provided in the groove 211. The slide rail 212 is combined with the slider 22. A first push piece 221 and at least one second push piece 222 are respectively provided at the front end and the top of the slider 22. An elastic element 223 is provided at the bottom of the slider 22. The elastic element 223 contracts to pull the slider 22 downward.

[0069] Please refer to Figure 6 A support module 30 includes a shaft 31, a first support member 32 and a second support member 33. One end of the shaft 31 is provided with at least one first bearing 311, and the other end of the shaft 31 is provided with a locking portion 312. One side of the locking portion 312 is provided with a second bearing 313;

[0070] A tube body 34 is sleeved on the first bearing 311 and the second bearing 313 of the shaft body 31 . One end of the tube body 34 has a stopper 341 . A plurality of bearings 342 are spaced apart on the outer side of the tube body 34 .

[0071] Please refer to Figures 2 to 4 The first support member 32 is passed through the shaft body 31 and combined with the other side of the locking portion 312. The first support member 32 includes a first bottom rod 321, a disk body 322 and a first top rod 323. The disk body 322 is provided with a first through hole 3221, which is provided to pass through the shaft body 31 and combine with the locking portion 312 with the disk body 322. The first bottom rod 321 is provided on one side of the bottom of the disk body 322, and the first top rod 323 is provided on the other side of the top of the disk body 322.

[0072] The second support member 33 is disposed on the shaft body 31 and is combined with a side of the locking portion 312 close to the second bearing and combined with the second bearing 313 , wherein one side of the stopper 341 is combined with the outer side of the chamber 332 of the second support member 33 .

[0073] Please refer to Figures 2 to 6 The second support member 33 includes a second bottom rod 331, a receiving chamber 332 and a second top rod 333. The receiving chamber 332 has a second through hole 3321, which is provided on the shaft body 31, and the receiving chamber 332 is used to cover and accommodate the locking portion 312 and the disk body 322. The second bottom rod 331 is arranged on one side of the bottom of the receiving chamber 332, and the second top rod 333 is arranged on the other side of the top of the receiving chamber 332. A predetermined distance is respectively set between the first bottom rod 321 and the second bottom rod 331 and between the first top rod 323 and the second top rod 333.

[0074] A bracket 3322 extends out of the housing 332 of the second supporting member 33 . An elastic element 3323 is disposed at the bottom of the bracket 3322 . The tension of the elastic element 3323 pushes the second supporting member 33 .

[0075] The first push rod 323 and the second push rod 333 have a predetermined angle. The top surfaces of the first push rod 323 and the second push rod 333 are respectively provided with a clip 324 , 334 , and the clips 324 , 334 correspond to each other.

[0076] A first transmission member 325 and a second transmission member 335 are respectively provided at the bottom of the first support member 32 and the second support member 33. The first transmission member 325 and the second transmission member 335 are respectively located on both sides of the second push-out member 222. In detail, a column 326, 336 is respectively provided on the first bottom rod 321 and the second bottom rod 331. The first transmission member 325 and the second transmission member 335 are arranged on the columns 326, 336, and one end of each column 326, 336 is provided to connect the two ends of a spring 35.

[0077] The first ejecting member 221 , the second ejecting member 222 , the first transmission member 325 , and the second transmission member 335 are bearings.

[0078] Please refer to Figure 7 , the method of using the utility model is:

[0079] One end of a micro drill A is clamped by a clamping unit 40 , and the front end of the micro drill A is clamped by the clamping pieces 324 , 334 .

[0080] In detail, the clamping unit 40 includes a second power source 41 and a clamping portion 42 connected to the second power source 41. The other end of the micro drill A faces a grinding unit 50. The grinding unit 50 includes a grinding element 51 and at least one optical module (not shown). The grinding element 51 is used to grind the drill blade of the micro drill A. The optical module shoots the micro drill A and outputs the image of the micro drill A to a display (not shown).

[0081] The transmission module 20 is driven by the first power source 10. When the first power source 10 is in operation, the cam 12 contacts the first push member 221 to move the slider 22 upward, and the second push member 222 simultaneously pushes the first transmission member 325 and the second transmission member 335 to pivot and separate the first support member 32 and the second support member 33, so that the micro drill A moves between the clamps 324 and 334; when the slider 22 moves downward, the second push member 222 leaves between the first transmission member 325 and the second transmission member 335, so that the columns 326 and 336 are pulled by the contraction force of the spring 35 to pull the first support member 32 and the second support member 33, so that the clamps 324 and 334 are close to each other to assist in clamping the front end of the micro drill A, so that the micro drill A remains stable and is conducive to grinding.

[0082] The above detailed description is a specific description of a feasible embodiment of the present invention, but the embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or modification that does not deviate from the technical spirit of the present invention should be included in the patent scope of the present invention.

Claims

1. A precision cam type clamping device, characterized in that: include: A first power source has a transmission shaft with a cam disposed on the transmission shaft; A transmission module, comprising a seat and a slider, wherein one side of the seat is provided with a groove facing the first power source, the groove is provided with at least one slide rail, the slide rail is combined with the slider, the front end and the top of the slider are respectively provided with a first push piece and at least one second push piece, and the bottom of the slider is provided with an elastic element for pulling the slider downward; and A support module, which includes a shaft, a first support member and a second support member, one end of the shaft is provided with at least one first bearing, the other end is provided with a locking portion, and one side of the locking portion is provided with a second bearing; the first support member is passed through the shaft and combined with the other side of the locking portion; the second support member is passed through the shaft and combined with a side of the locking portion close to the second bearing, and combined with the second bearing, the bottom of the first support member and the second support member are respectively provided with a column, each column is respectively provided with a first transmission member and a second transmission member, the first transmission member and the second transmission member are respectively located on both sides of the second ejecting member, and one end of each column provides two ends for combining with a spring.

2. The precision cam type clamping device according to claim 1, characterized in that: The first support member includes a first bottom rod, a disk body and a first top rod, the disk body is provided with a first through hole, which is provided to be penetrated on the shaft body, and the disk body is combined with the locking part, the first bottom rod is arranged on one side of the bottom of the disk body, and the first top rod is arranged on the other side of the top of the disk body; the second support member includes a second bottom rod, a receiving chamber and a second top rod, the receiving chamber has a second through hole, which is provided to be penetrated on the shaft body, and the locking part and the disk body are covered and accommodated by the receiving chamber, the second bottom rod is arranged on one side of the bottom of the receiving chamber, and the second top rod is arranged on the other side of the top of the receiving chamber, and a predetermined distance is respectively provided between the first bottom rod and the second bottom rod and between the first top rod and the second top rod.

3. The precision cam type clamping device according to claim 2, characterized in that: A tube body is also sleeved on the first bearing and the second bearing of the shaft body. One end of the tube body has a stopper. A plurality of bearings are arranged at intervals on the outside of the tube body. The stopper is combined with the outer side of the housing of the second support member.

4. The precision cam type clamping device according to claim 3, characterized in that: A bracket extends out of the outer side of the housing of the second supporting member, and an elastic element is disposed at the bottom of the bracket, so that the second supporting member is pushed by the tension of the elastic element.

5. The precision cam type clamping device according to claim 2, characterized in that: The first push rod and the second push rod have a predetermined angle. The top surfaces of the first push rod and the second push rod are respectively provided with a clamping piece, each clamping piece corresponds to each other, and each clamping piece clamps the micro drill.

6. The precision cam clamping device according to claim 1, characterized in that: The first transmission member and the second transmission member are respectively arranged on a column, and one end of each column is respectively combined with the bottom of the first support member, that is, the second support member.

7. The precision cam clamping device according to claim 1, characterized in that: The first ejecting member, the second ejecting member, the first transmission member and the second transmission member are bearings.

8. The precision cam clamping device according to claim 1, characterized in that: One end of the micro drill is provided to be combined with a clamping unit, which includes a second power source and a clamping portion connected to the second power source. The other end of the micro drill faces a grinding unit, which includes a grinding element for grinding the drilling blade of the micro drill and at least one optical module for photographing the micro drill and outputting the image of the micro drill to a display.

Citation Information

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