CN114951780A - Connecting rod milling cutter and connecting rod milling cutter assembly - Google Patents
Connecting rod milling cutter and connecting rod milling cutter assembly Download PDFInfo
- Publication number
- CN114951780A CN114951780A CN202210730844.6A CN202210730844A CN114951780A CN 114951780 A CN114951780 A CN 114951780A CN 202210730844 A CN202210730844 A CN 202210730844A CN 114951780 A CN114951780 A CN 114951780A
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- connecting rod
- fixed
- sliding
- pressing
- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/26—Securing milling cutters to the driving spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to the technical field of machining, and particularly discloses a connecting rod milling cutter and a connecting rod milling cutter assembly, which comprise a cutter fixing block and a transmission through hole arranged in the middle of the upper end of the cutter fixing block, wherein a rotary connecting rod is fixedly arranged in the transmission through hole, a cutter head for machining is arranged at the lower end of the rotary connecting rod, and a friction transmission block for transmission connection with a driving mechanism is coaxially arranged at the upper end of the rotary connecting rod.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a connecting rod milling cutter and a connecting rod milling cutter assembly.
Background
The numerical control lathe can process the shape of the complex revolving body. Milling is to fix the blank, feed the blank with a high-speed rotating milling cutter, and cut the desired shape and features. Traditional milling is more used for milling simple profile features such as contours and grooves. The numerical control milling machine can process complex shapes and characteristics. The milling and boring center can be used for three-axis or multi-axis milling and boring and is used for machining, dies, checking tools, clamping tools, thin-wall complex curved surfaces, artificial prostheses, blades and the like. When selecting numerical control milling content, should full play numerical control milling machine's advantage and key effect, current milling cutter is comparatively wasted time and energy when installing, and the installation effectiveness is lower, based on this, provides a connecting rod milling cutter and connecting rod milling cutter subassembly now, can eliminate the drawback that current device exists.
Disclosure of Invention
The invention aims to provide a connecting rod milling cutter and a connecting rod milling cutter component, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a connecting rod milling cutter comprises a cutter fixing block and a transmission through hole arranged in the middle of the upper end of the cutter fixing block, wherein a rotary connecting rod is fixedly arranged in the rotation through hole, a cutter bit for processing is arranged at the lower end of the rotary connecting rod, a friction transmission block for being in transmission connection with a driving mechanism is coaxially arranged at the upper end of the rotary connecting rod, when the cutter milling cutter is actually used, the output end of the driving mechanism is in tight press fit with the friction transmission block, a plurality of pressing grooves for positioning are distributed on the outer side of the cutter fixing block in an array mode, the bottom surfaces of the pressing grooves are planes, the upper side surfaces of the pressing grooves are inclined planes, and the pressing grooves are wide-mouth structures;
in one alternative: the cutter fixing block is composed of two split blocks, and the two split blocks are fixedly connected through bolts.
The utility model provides a connecting rod milling cutter subassembly, includes a fixing base, the fixing base outside is rotated through the bearing and is equipped with a rotatory fixing base, the general fixed mounting of rotatory fixing base is on the blade holder, the fixing base intermediate position is equipped with an installation opening, and the transmission opening of installation opening upper end is less than the up end of cutter fixed block, the installation opening is down the port corresponding with the cross-section of cutter fixed block, the fixing base lower extreme is equipped with and is used for carrying out prepositioned prepositioning spare to cutter fixed block position, be equipped with on the fixing base and be used for carrying out the centrifugation that sticiss mechanism to the cutter fixed block.
In one alternative: the pre-positioning part comprises a fixed sliding sleeve arranged at the lower end of the fixed base, a sliding hole is formed in the horizontal position of the fixed sliding sleeve, a pre-positioning rod is arranged in the sliding hole in a sliding mode, a steel ball is arranged at one end, facing the cutter fixing block, of the pre-positioning rod in a rotating mode, a pull rod convenient to pull by hand is arranged at the outer end of the pre-positioning rod, and the pull rod and the fixed sliding sleeve are connected and fixed through a second spring.
In one alternative: the cross-section of cutter fixed block is rectangle or circular, cutter fixed block lower extreme face is equipped with radius structure.
In one alternative: the centrifugation sticiss mechanism includes that the array distributes in the slip hole of installation opening inner wall, and sliding fit has one to sticiss the slider in every slip hole, sticis the end of sticising of slider and sticiss the recess and cooperate, sticis the first inclined plane of slider upper end and sticis the side of going up of recess corresponding, every sticiss the slider outer end and all be equipped with one and support and press the slide bar, support and press the slide bar to slide and set up in the guiding hole on the fixing base, it is fixed through first spring coupling to sticis between slider and the slip hole inner wall, still be equipped with a centrifugation pushing mechanism who is used for producing the drive force to supporting pressing the slide bar outer end on the fixing base.
In one alternative: centrifugal pushing mechanism includes that the array distributes at the counter weight slider of fixing base upper end, and a plurality of slot has all been seted up to every counter weight slider up end, all cooperates in every slot to be equipped with a counter weight inserted sheet that is used for the counter weight, the quantity and the position of counter weight slider are corresponding with supporting and pressing slide bar quantity and position, counter weight slider lower extreme is equipped with the pulley with fixing base top sliding contact, counter weight slider outer end is equipped with a centrifugal push rod, centrifugal push rod slides and passes the perforation on the fixed cover of centrifugation, the welding of the fixed cover of centrifugation sets up in the fixing base upper end, it is fixed through third spring coupling between counter weight slider and the fixed cover of centrifugation, the fixing base outside still is equipped with and is used for with supporting and presses driven lever spare between the slide bar with the centrifugal push rod.
In one alternative: the lever part comprises a supporting connecting rod fixed on the outer side of the fixed seat, the outer end of the supporting connecting rod is rotatably provided with a transmission connecting rod, the upper end of the transmission connecting rod corresponds to the position of the centrifugal push rod, the lower end of the centrifugal push rod corresponds to the position of the abutting slide rod, the length of the left end of the supporting connecting rod from the upper end of the transmission connecting rod is N times of the length of the lower end of the transmission connecting rod, and N is not less than two.
In one alternative: the centrifugal push rod and the end part of the abutting sliding rod are rotatably matched with an abutting steel ball.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the pre-positioning structure and the centrifugal positioning structure are constructed, the tool is convenient to disassemble and assemble through the pre-positioning structure, the tool can be firmly locked through the centrifugal positioning structure, additional power clamping is not required, the clamping cost is reduced, and the practicability is strong.
Drawings
FIG. 1 is a schematic view of the construction of the cutter assembly of the present invention.
Fig. 2 is a schematic view of the upper side of the cutter assembly of the present invention.
Fig. 3 is a schematic view of the milling cutter structure of the present invention.
FIG. 4 is a schematic view of the internal structure of the cutter assembly of the present invention.
Notations for reference numerals: the tool comprises a fixed seat 11, a first spring 12, a pressing sliding block 13, a first inclined surface 14, a tool fixing block 15, a tool bit 16, a rotating connecting rod 17, a pressing groove 18, a preset groove 19, a preset rod 20, a fixed sliding sleeve 21, a second spring 22, a pull rod 23, a pressing sliding rod 24, a pressing steel ball 25, a supporting connecting rod 26, a transmission connecting rod 27, a centrifugal push rod 28, a centrifugal fixing sleeve 29, a third spring 30, a counterweight sliding block 31, a pulley 32, a friction transmission block 33, a transmission opening 34, a counterweight inserting sheet 35 and a rotating fixed seat 36.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
In one embodiment, as shown in fig. 3, a connecting rod milling cutter includes a cutter fixing block 15 and a transmission through hole disposed at a middle position of an upper end of the cutter fixing block, a rotating connecting rod 17 is fixedly disposed in the rotation through hole, a cutter head 16 for processing is disposed at a lower end of the rotating connecting rod 17, a friction transmission block 33 for transmission connection with a driving mechanism is coaxially disposed at an upper end of the rotating connecting rod 17, and in practical use, an output end of the driving mechanism is in press fit with the friction transmission block 33, the rotating connecting rod 17 drives the cutter head 16 to rapidly rotate under the action of friction force, so as to provide power for milling, a plurality of press grooves 18 for positioning are distributed in an array manner outside the cutter fixing block 15, a bottom surface of each press groove 18 is a plane, an upper side surface of each press groove 18 is an inclined surface, and each press groove 18 is a wide-mouth structure;
the cutter fixing block 15 is composed of two split blocks, and the two split blocks are connected and fixed through bolts, so that the cutter fixing block 15 can be detachably connected with the rotary connecting rod 17, and later-stage replacement and maintenance are facilitated;
in one embodiment, as shown in fig. 1 to 4, a connecting rod milling cutter assembly includes a fixing seat 11, a rotary fixing seat 36 is rotatably disposed outside the fixing seat 11 through a bearing, the rotary fixing seat 36 is generally fixedly mounted on a cutter holder, an installation through opening is disposed in the middle of the fixing seat 11, a transmission opening 34 at the upper end of the installation through opening is smaller than an upper end face of a cutter fixing block 15, a lower port of the installation through opening corresponds to the cross section of the cutter fixing block 15, and a pre-positioning member for pre-positioning the position of the cutter fixing block 15 is disposed at the lower end of the fixing seat 11;
the pre-positioning component comprises a fixed sliding sleeve 21 arranged at the lower end of the fixed seat 11, a sliding hole is arranged at the horizontal position of the fixed sliding sleeve 21, a predetermined rod 20 is slidably arranged in the sliding hole, a steel ball is rotatably arranged at one end of the predetermined rod 20 facing the cutter fixing block 15, a pull rod 23 convenient for manual shifting is arranged at the outer end of the preset rod 20, the pull rod 23 is fixedly connected with the fixed sliding sleeve 21 through a second spring 22, under the action of the second spring 22, the end of the preset rod 20 is in pressing contact with the outer side surface of the cutter fixing block 15, the cutter fixing block 15 is provided at the outer side thereof with a predetermined groove 19 for allowing a predetermined rod 20 to be inserted thereinto, in practical use, the cutter fixing block 15 is inserted into the mounting through hole, and the predetermined rod 20 is inserted into the predetermined groove 19 under the action of the second spring 22, so that the position of the cutter fixing block 15 is preliminarily locked;
it should be noted that the cross section of the cutter fixing block 15 is rectangular or circular, the lower end face of the cutter fixing block 15 is provided with a rounding structure, and an arc-shaped face formed by rounding can be matched with the end part of the preset rod 20, so that the locking of the preset piece is facilitated;
the centrifugal pressing mechanism is arranged on the fixing seat 11 and used for pressing the cutter fixing block 15, the cutter fixing block 15 is fixed through the centrifugal pressing mechanism, the centrifugal pressing mechanism comprises sliding inner holes distributed in the inner wall of the mounting opening in an array mode, a pressing sliding block 13 is arranged in each sliding inner hole in a sliding fit mode, a pressing end of each pressing sliding block 13 is matched with a pressing groove 18, a first inclined surface 14 at the upper end of each pressing sliding block 13 corresponds to the upper side face of each pressing groove 18, a pressing sliding rod 24 is arranged at the outer end of each pressing sliding block 13, each pressing sliding rod 24 is arranged in a guide hole in the fixing seat 11 in a sliding mode, the pressing sliding blocks 13 and the inner wall of each sliding inner hole are fixedly connected through first springs 12, the pressing sliding blocks 13 are compressed into the sliding inner holes under the action of the first springs 12, pressing of the cutter fixing block 15 is eliminated, and a centrifugal pushing mechanism used for generating pushing force for the outer ends of the pressing sliding rods 24 is further arranged on the fixing seat 11, during initial installation, the cutter fixing block 15 is installed through the pre-positioning piece, and along with the rapid rotation of the fixing seat 11, the centrifugal pushing mechanism can generate a pushing force for pushing the pressing slide rods 24, so that the pressing slide blocks 13 are close to the middle, and the pressing and fixing of the cutter fixing block 15 are realized;
the centrifugal pushing mechanism comprises counterweight sliding blocks 31 distributed at the upper end of a fixed seat 11 in an array manner, a plurality of slots are formed in the upper end face of each counterweight sliding block 31, a counterweight inserting sheet 35 used for counterweight is arranged in each slot in a matching manner, the number and the position of the counterweight sliding blocks 31 correspond to those of the abutting sliding rods 24, a pulley 32 in sliding contact with the top of the fixed seat 11 is arranged at the lower end of each counterweight sliding block 31, a centrifugal push rod 28 is arranged at the outer end of each counterweight sliding block 31, the centrifugal push rod 28 penetrates through a through hole in the centrifugal fixing sleeve 29 in a sliding manner, the centrifugal fixing sleeve 29 is welded at the upper end of the fixed seat 11, the counterweight sliding blocks 31 and the centrifugal fixing sleeve 29 are fixedly connected through a third spring 30, a lever part used for transmission between the centrifugal push rod 28 and the abutting sliding rods 24 is further arranged at the outer side of the fixed seat 11, and the pushing force generated by the centrifugal push rod 28 is amplified by the lever part, therefore, the pressing effect on the cutter fixing block 15 is further improved, when the fixing seat 11 rotates rapidly, the counterweight sliding block 31 can slide outwards along the upper end face of the fixing seat 11 under the action of centrifugal force, and thus power is provided for the sliding of the centrifugal push rod 28;
the lever part comprises a support connecting rod 26 fixed on the outer side of the fixed seat 11, a transmission connecting rod 27 is rotatably arranged at the outer end of the support connecting rod 26, the upper end of the transmission connecting rod 27 corresponds to the position of a centrifugal push rod 28, the lower end of the centrifugal push rod 28 corresponds to the position of a pressing sliding rod 24, the length of the left end of the support connecting rod 26, which is far from the upper end of the transmission connecting rod 27, is N times of the length of the lower end of the transmission connecting rod 27, and N is not less than two, so that the effect of increasing the clamping force can be achieved;
it should be noted that, in order to reduce the friction force between the components, the centrifugal push rod 28 and the end of the pressing slide rod 24 are both rotationally fitted with a pressing steel ball 25, so that the sliding friction is replaced by rolling friction, and the wear is reduced, and the weight of the pressing slide block 13 is much smaller than that of the counterweight slide block 31, so that the thrust at the outer end of the pressing slide block 13 is always larger than the centrifugal force of itself;
the above embodiment discloses a connecting rod milling cutter and a connecting rod milling cutter assembly, wherein, in practical use, the cutter fixing block 15 of the cutter is firstly inserted into the mounting through hole from bottom to top, at this time, under the action of the second spring 22, the predetermined rod 20 is inserted into the predetermined groove 19, thereby primarily locking the position of the cutter fixing block 15, when the fixing seat 11 does not rotate, the centrifugal pressing mechanism is not in a working state, at this time, the cutter can be quickly replaced, the locking can be eliminated by pulling the pull rod 23 to one side, when the fixing seat 11 rotates rapidly, under the action of centrifugal force, the counterweight sliding block 31 slides outwards along the upper end surface of the fixing seat 11, the end part of the centrifugal push rod 28 generates a pushing force to the upper end of the transmission connecting rod 27, according to the lever principle, the end part of the pressing sliding rod 24 receives a larger acting force, the pressing sliding block 13 is inserted into the pressing groove 18, the cutter fixing block 15 can be firmly fixed.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a connecting rod milling cutter, includes cutter fixed block (15) and sets up the transmission perforation at its upper end intermediate position, its characterized in that, rotates and to fix in the perforation and is equipped with a rotatory connecting rod (17), rotatory connecting rod (17) lower extreme is equipped with one and is used for tool bit (16) of processing, rotatory connecting rod (17) upper end is coaxial to be equipped with one and is used for friction drive piece (33) be connected with the actuating mechanism transmission, when in actual use, sticiss the cooperation through actuating mechanism's output and friction drive piece (33), cutter fixed block (15) outside array distribution has a plurality of to be used for the location to sticis recess (18), it is the plane to sticis recess (18) bottom surface, it is the inclined plane to sticis the side on recess (18), it is wide-mouthed structure to sticis recess (18).
2. The connecting rod milling tool as set forth in claim 1, characterized in that the tool holding block (15) is composed of two separate blocks, which are fixed by bolting therebetween.
3. The connecting rod milling tool according to claim 1, characterized in that the tool holder block (15) is rectangular or circular in cross-section, the lower end face of the tool holder block (15) being provided with a rounded structure.
4. The utility model provides a connecting rod milling cutter subassembly, a serial communication port, including a fixing base (11), fixing base (11) outside is rotated through the bearing and is equipped with a rotating fixed base (36), the general fixed mounting of rotating fixed base (36) is on the blade holder, fixing base (11) intermediate position is equipped with an installation opening, and transmission opening (34) of installation opening upper end are less than the up end of cutter fixing block (15), the installation opening is lower port and the cross-section of cutter fixing block (15) corresponding, fixing base (11) lower extreme is equipped with and is used for carrying out prepositioning to cutter fixing block (15) position and puts the piece in advance, be equipped with on fixing base (11) and be used for carrying out the centrifugation mechanism that sticiss to cutter fixing block (15).
5. The connecting rod milling cutter assembly according to claim 4, characterized in that the pre-positioning element comprises a fixed sliding sleeve (21) arranged at the lower end of the fixed seat (11), a sliding hole is formed in the horizontal position of the fixed sliding sleeve (21), a pre-determined rod (20) is slidably arranged in the sliding hole, a steel ball is rotatably arranged at one end, facing the cutter fixed block (15), of the pre-determined rod (20), a pull rod (23) convenient for manual shifting is arranged at the outer end of the pre-determined rod (20), and the pull rod (23) is fixedly connected with the fixed sliding sleeve (21) through a second spring (22).
6. The connecting rod milling cutter tool assembly of claim 4, characterized in that the centrifugal pressing mechanism comprises an array of sliding bores distributed in the inner wall of the mounting opening, each sliding bore having a pressing slide (13) slidably engaged therein, the pressing end of the pressing sliding block (13) is matched with the pressing groove (18), the first inclined plane (14) at the upper end of the pressing sliding block (13) corresponds to the upper side surface of the pressing groove (18), the outer end of each pressing sliding block (13) is provided with a pressing sliding rod (24), the pressing slide bar (24) is arranged in a guide hole on the fixed seat (11) in a sliding way, the pressing slide block (13) is fixedly connected with the inner wall of the sliding inner hole through a first spring (12), the fixed seat (11) is also provided with a centrifugal pushing mechanism for generating pushing force to the outer end of the abutting sliding rod (24).
7. The connecting rod milling cutter assembly according to claim 6, wherein the centrifugal pushing mechanism comprises weight sliders (31) distributed in an array at the upper end of the fixed base (11), each weight slider (31) is provided with a plurality of slots at the upper end surface, each slot is provided with a weight inserting sheet (35) for balancing weight in a matching way, the number and the position of the weight sliders (31) correspond to those of the pressing sliding rods (24), the lower end of the weight slider (31) is provided with a pulley (32) in sliding contact with the top of the fixed base (11), the outer end of the weight slider (31) is provided with a centrifugal push rod (28), the centrifugal push rod (28) slides through a through hole on the centrifugal fixed sleeve (29), the centrifugal fixed sleeve (29) is welded at the upper end of the fixed base (11), and the weight sliders (31) and the centrifugal fixed sleeve (29) are connected and fixed through a third spring (30), and a lever part for driving the centrifugal push rod (28) and the abutting sliding rod (24) is arranged on the outer side of the fixed seat (11).
8. The connecting rod milling cutter assembly according to claim 7, characterized in that the lever member comprises a support connecting rod (26) fixed outside the fixed seat (11), a transmission connecting rod (27) is rotatably arranged at the outer end of the support connecting rod (26), the upper end of the transmission connecting rod (27) corresponds to the position of the centrifugal push rod (28), the lower end of the centrifugal push rod (28) corresponds to the position of the pressing slide rod (24), the length of the left end of the support connecting rod (26) from the upper end of the transmission connecting rod (27) is N times the length of the lower end of the transmission connecting rod (27), and N is not less than two.
9. The connecting rod milling cutter assembly according to claim 8, characterized in that the centrifugal push rod (28) and the pressing slide rod (24) are both rotationally fitted with a pressing steel ball (25) at their ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730844.6A CN114951780A (en) | 2022-06-24 | 2022-06-24 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210730844.6A CN114951780A (en) | 2022-06-24 | 2022-06-24 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114951780A true CN114951780A (en) | 2022-08-30 |
Family
ID=82965188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210730844.6A Withdrawn CN114951780A (en) | 2022-06-24 | 2022-06-24 | Connecting rod milling cutter and connecting rod milling cutter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114951780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117943594A (en) * | 2023-12-30 | 2024-04-30 | 江苏明微电子有限公司 | Numerical control machine tool for manufacturing semiconductor integrated circuit board |
-
2022
- 2022-06-24 CN CN202210730844.6A patent/CN114951780A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117943594A (en) * | 2023-12-30 | 2024-04-30 | 江苏明微电子有限公司 | Numerical control machine tool for manufacturing semiconductor integrated circuit board |
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Application publication date: 20220830 |