CN209998386U - cutter bar for machining - Google Patents
cutter bar for machining Download PDFInfo
- Publication number
- CN209998386U CN209998386U CN201920893327.4U CN201920893327U CN209998386U CN 209998386 U CN209998386 U CN 209998386U CN 201920893327 U CN201920893327 U CN 201920893327U CN 209998386 U CN209998386 U CN 209998386U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- hole
- connector
- elastic
- machining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Milling Processes (AREA)
Abstract
The utility model relates to a machining utensil technical field especially relates to cutter arbor for machining include the cutter arbor cutter body that has the perforating hole that link up both ends in the axial, the cutter arbor cutter body is the expanded round platform tubulose of rear end, its inside perforating hole front end is big neck, run through the sleeve of perforating hole, its front end periphery presss from both sides in big neck, the rear end is outstanding to be the connector joint portion, link to each other with the connector, the sleeve front end is equipped with the protruding portion, it is connected with a plurality of elasticity O circles to encircle the protruding portion, elasticity O circle links to each other with elasticity O type circle support piece, elasticity O type circle support piece adds the pressure at telescopic front end.
Description
Technical Field
The utility model relates to a machining utensil technical field especially relates to cutter arbor for machining.
Background
A machine tool is a machine tool which is installed by a tool holder having various shapes and forms according to the shape and installation method, and the robustness and installation convenience are important in the present research, and in order to form a thread in a hole of a workpiece, a tap (tool) is connected to the tool holder, and the tool holder is installed on the machine tool and then the thread is rotated to the workpiece, and in this case, when the tool is separated from the workpiece after the thread is formed, the rotation speed of the spindle and the backward value of the Z axis must be interlocked with each other to ensure that the thread is not broken, but due to the synchronization error of the machine tool, the spindle may not be maintained in a rotated state for a long time , and a mutual force is generated between the tap and the thread, and a load is applied to the tap and the thread, and more seriously, when such a problem occurs continuously, the damage of the tap is caused, thereby causing a problem of lowering of machining accuracy.
However, like , the tool holder without the function of compensating the synchronization error is still used in the working site, and therefore, the tool holder without the function of compensating the synchronization error needs to be matched with the tool holder with the function of compensating the synchronization error.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the function of compensating synchronous error has been added to the instrument cutter arbor among the prior art, synchronous screw tap handle of a knife promptly, however, like the appearance before does not have the handle of a knife of compensating synchronous error, still uses at the job site, consequently, the handle of a knife that does not compensate synchronous error function then need the cooperation to possess the cutter arbor of compensating synchronous error function and use.
In order to solve the problems, the utility model provides an cutter arbor that can add the synchronous error function of compensation on the handle of a knife that does not have the synchronous error of compensation can prevent the damage of screw thread when the internal thread of processing work piece, also can prevent that the damage of instrument improves the instrument life-span, in addition, this device can be when taking place excessive external force, keeps telescopic steady removal through the support of elasticity O type circle.
In order to achieve the above object, the utility model discloses a cutter arbor for machining, include the cutter arbor cutter body that has the perforating hole that link up both ends in the axial, the cutter arbor cutter body is the round platform tubulose that the rear end expands, and its inside perforating hole front end is big neck, the sleeve that runs through the perforating hole, its front end periphery presss from both sides in big neck, and the rear end is outstanding to be the connector joint portion, links to each other with the connector, and the sleeve front end is equipped with the protruding portion, encircles the protruding portion and is connected with a plurality of elasticity O type circles, and elasticity O type circle links to each other with elasticity O type circle support piece, and elasticity O type circle support piece pressurizes at telescopic front end.
the elastic O-ring support member is composed of a joint part and a support ring, wherein the joint part is in threaded connection with the inner circumference of the front end of the through hole, and the support ring is clamped between the inner circumference of the large neck part and the outer circumference of the sleeve to support the elastic O-ring around the protrusion part.
And , arranging a plurality of mounting holes at the top of the joint, and fixing the elastic O-shaped ring supporting piece through the mounting holes in a threaded manner.
, at least sleeve locking grooves are arranged on the outer periphery of the sleeve, through hole locking grooves matched with the locking grooves are arranged on the inner periphery of the through hole, at least locking pieces are clamped between the two locking grooves, and the sleeve is prevented from rotating in the through hole of the cutter rod and the cutter body.
, the rear end of the sleeve is connected to a connector, which is used to connect a tool.
And , connecting the front end of the connector with the connector joint part at the rear end of the sleeve through the sleeve connecting hole, wherein the connector joint part is smaller than the outer diameter of the sleeve and is provided with a shaft shoulder, the middle part of the connector is provided with a fastening groove in the periphery, and the connector is provided with a fastening hole at the position corresponding to the fastening groove and is fixedly connected through a fastening piece.
, dividing the sleeve into two parts based on the protruding part, wherein the rear end is sleeved in the through hole and is a th cylinder of the sleeve, the front end comprises a protruding part which is a second cylinder of the sleeve and is provided with a connecting protruding part, the periphery of the protruding part is provided with external threads, and the th cylinder of the sleeve is connected with the second cylinder of the sleeve through threads.
, dividing the sleeve into two parts based on the protruding part, sleeving the rear end in the through hole to form a th sleeve body with a connecting groove, sleeving the front end with the protruding part to form a second sleeve body, and splicing the th sleeve body and the second sleeve body through the connecting groove.
The beneficial effects of the utility model reside in that:
(1) the side of the through hole with the elastic O-ring therebetween is provided with an elastic O-ring support member for supporting the elastic O-ring deformed by impact, thereby ensuring stable movement of the sleeve and preventing damage to the screw thread during the screw processing.
(2) the sleeve becomes 2 parts to constitute, can reduce the defective rate when making to effectively save the cost, also be convenient for the equipment of elasticity O type circle.
Drawings
FIG. 1 is an exploded perspective view of a cutter bar for machining in accordance with embodiment 1;
FIG. 2 is a cross-sectional view of the knife bar of FIG. 1;
FIG. 3 is a state before the elastic O-ring is deformed due to a gap between the sealing ring and the connector before the cutter bar is operated;
FIG. 4 is a state in which the elastic O-ring has been deformed without a gap between the seal ring and the connector in operation of the cutter bar;
FIG. 5 is a sectional view of the elastic O-ring of FIGS. 3 and 4 before and after deformation;
FIG. 6 is a schematic view a of the structure of the sleeve of embodiment 1;
FIG. 7 is a schematic view b of the structure of the sleeve of embodiment 1;
in the drawing, a 110-bit tool body, a 111 through hole, a 112 large-diameter portion, a 120, 120-1, 120-2 sleeve, a 120-1a, 120-2a sleeve 1 st cylinder, a 120-1b, 120-2b sleeve 2 nd cylinder, a 120-1c connection protrusion, a 120-2c connection groove, a 121 protrusion, a 122 sleeve locking groove, a 125 connector engagement portion, a 126 shoulder, a 127 fastening groove, a 130 elastic O-ring, a 140 elastic O-ring support, a 141 connection portion, a 141a mounting hole, a 142 support ring, a 150 locking piece, a 160 sealing ring, a 170 connector, a 171 sleeve connection hole, a 172 tool mounting hole, a 173, and a 180 fastening piece.
Detailed Description
For the purpose of making the embodiments of the present invention clearer, the technical solutions and advantages thereof will be described in detail below with reference to the accompanying drawings in the embodiments of the present invention, it is clear that the embodiments of the present invention are not all embodiments but partial embodiments .
Example 1:
as shown in fig. 1 to 5, cutter arbor for machining comprises an arbor cutter body 110 having a through hole 111 penetrating through both ends in an axial direction, a sleeve 120 penetrating through the through hole 111, a protrusion provided at a front end of the sleeve 120, an elastic O-ring 130 connected to the sleeve, and an elastic O-ring support 140 connected to the elastic O-ring 130;
the cutter bar cutter body 110 is in a shape of a circular truncated cone with an expanded rear end, the front end of a through hole in the cutter bar cutter body is provided with a large neck part 112 with a locking groove, the sleeve is directly connected with a machined workpiece or is connected with the machined workpiece through a detachable connector 170, the periphery of the front end of the sleeve is clamped in the large neck part 112, a -ring protruding part 121 is arranged on the sleeve and matched with the locking groove to lock the sleeve, the relative position of the sleeve and the through hole is fixed to avoid penetration, the cross section of the protruding part is in a semicircular, triangular or trapezoidal shape, the middle part of the sleeve is a supporting part which can prevent an elastic O-ring surrounding the end of the protruding part from moving towards the sleeve direction, the rear end of the sleeve is a connector combining part 125 connected with the connector 170, the diameter of the combining part of the sleeve 120 can be smaller than the outer diameter of the sleeve, the elastic O-ring is used for absorbing load generated between a tool and the workpiece (machined workpiece), at least elastic O-rings are required to be;
the elastic O-rings 130 are sleeved on both sides of the protruding portion 121 of the sleeve, so that the elastic O-rings can absorb and buffer when external impact occurs between the locking groove of the through hole 111 and the protruding portion 121 of the sleeve 120, and between the protruding portion 121 of the sleeve 120 and the elastic O-ring support 140, namely, the elastic O-rings 130 deform and absorb load between a tool and a workpiece (thread) when the sleeve 120 is subjected to external force when the external force is removed and the external force is removed, so that the load is reduced, if the elastic O-rings are observed in detail, the load is found to be generated between the tool and a thread (workpiece), when the sleeve is subjected to slight movement in the main axis direction of the cutter body when the tool is used for processing a workpiece, the elastic O-rings can absorb the load and reduce the load generated between the tool and the thread, so that not only damage when the thread is formed in the hole of the workpiece, but also the service life of the tool can be increased, the elastic O-rings can be connected to the cutter body through the elastic O-rings by the elastic O-rings 141, the elastic O-rings 130 and the elastic O-rings, the elastic O-rings are connected to the through hole supporting ring support rings at the inner peripheral surface of the through hole of the through the elastic O-rings 141, the elastic O-rings are connected to the through hole, the elastic O-rings are connected to the through hole supporting ring support rings, the through hole, the elastic O-rings 130, the elastic O-rings are connected to the elastic O-rings, the through hole supporting ring support rings, the elastic O-rings are connected to the outer peripheral surface of the elastic O-rings, the elastic O-rings are connected to the elastic O-rings, the sleeve 120, the elastic O-rings are connected to the elastic O-rings, the elastic O-rings are connected to the elastic O;
at least sleeve locking grooves 122 are arranged on the outer periphery of the sleeve 120, through hole locking grooves matched with the sleeve locking grooves 122 are arranged on the inner periphery of the through hole, at least locking pieces 150 are clamped between the two locking grooves and used for preventing the sleeve clamped in the through hole from rotating, wherein the sleeve locking grooves and the through hole locking grooves form accommodating spaces filled with the locking pieces 150 in an opposite mode, and therefore the sleeve locking grooves and the through hole locking grooves can form a plurality of sets of locking groove combinations along the outer periphery of the sleeve and the inner periphery of the through hole, the number of the locking pieces is equal to the number of the locking groove combinations, at least locking pieces are arranged in each space, and in order to facilitate the movement of the locking pieces in the space;
the locking groove is long groove shape, which is to ensure the locking piece to move smoothly in the locking groove when the sleeve 120 moves in the through hole 111 to the opposite direction of the connector 170 like fig. 4 and 5 , that is, to ensure the locking piece to move smoothly in the locking groove, the length of the locking groove can be set to be larger than the diameter of the locking piece, in addition, when a plurality of locking pieces are accommodated in locking grooves, the length of the locking groove can be set to be larger than the sum of the lengths of the plurality of locking pieces;
the detachable connector 170 has a front end connected to a connector coupling portion 125 at a rear end of the sleeve through a sleeve coupling hole 171, i.e., the connector 170 is mounted in a bar shape in an axial direction of the cutter holder body 110 and coupled to a portion of the sleeve 120 protruding out of the cutter holder, the rear end is coupled to the cutter through a cutter mounting hole 172, the connector coupling portion 125 has a front end formed as a shoulder 126 having a radius larger than an outer diameter of the rear end of the sleeve, the front end of the connector 170 is engaged with the shoulder 126 when coupled, thereby preventing the sleeve 120 from being inserted into the sleeve coupling hole 171 of the connector 170 deeper than a predetermined position, the connector coupling portion 125 has a fastening groove 127, the connector 170 has a fastening hole 173 at a position corresponding to the fastening groove, the connector 170 and the fastening groove are coupled and fixed by a fastening member 180, the fastening groove, the fastening member and the fastening member are combined by or more, the distance from the shoulder to the fastening groove is the same as the distance from the front end of the connector coupling groove to the front end of the connector, so as to ensure that the fastening member and the fastening member are coupled to the fastening member through the fastening hole, the fastening member is coupled to the fastening member, and the fastening member is coupled to the fastening member through a fastening member having a fastening hole, and a fastening member, the fastening member is coupled to the fastening member, and the fastening member, the fastening member is coupled to the.
Example 2:
as shown in FIG. 6, the sleeve 120-1 is formed by splitting the -shaped sleeve 120 into 2 parts, including a th cylinder 120-1a and a second cylinder 120-1b, which are split based on the protrusion 121 of the sleeve, the rear end of which is the th cylinder 120-1a and the front end of which includes the protrusion which is the second cylinder 120-1b, so that the elastic O-ring 130 is inserted into the outer circumference of the sleeve 120 without being caught by the protrusion and thus smoothly inserted into the outer circumference of the sleeve, the th cylinder 120-1a is tubular, the rear end of which is connected to the connector 170, the front end of which has internal threads and is threadedly connected to the second cylinder 120-1b, and the outer circumference of the front end of which has protrusions for preventing the elastic O-ring 130 caught by the outer circumference of the protrusions from moving toward the end of the cylinder, and the rear end of the second cylinder 120-1b has a connection protrusion 120-1c and the outer circumference of which has external threads and is matched with the internal threads of the th cylinder 120-1 a.
The rest is the same as in example 1.
Example 3:
as shown in fig. 7, the sleeve 120-2 is obtained by splitting the -body sleeve 120 into 2 parts, and includes a -th cylinder 120-2a and a second cylinder 120-2b, which are split based on the protruding portion 121 of the sleeve, the rear end of the sleeve includes a -th cylinder 120-2a and the front end of the sleeve is a second cylinder 120-2b, the front end of the -th cylinder 120-2a is a connecting groove portion 120-2c, the diameter of which is smaller than the outer diameter of the sleeve, and the length of which is the length from the second cylinder 120-2b to the protruding portion 121, and the second cylinder 120-2b is tubular and is sleeved outside the connecting groove portion 120-2c, and the two are tightly inserted by external force or bonded by an adhesive, or screwed.
The rest is the same as in example 1.
As shown in fig. 6 and 7, the sleeve consisting of fittings is formed by 2 fittings, so that the manufacturing defects can be reduced, the economic benefit can be improved, and the assembly of the elastic O-ring can be more convenient.
Claims (8)
- The cutter bar for machining is characterized by comprising a cutter bar cutter body which is axially provided with a through hole penetrating through two ends, the cutter bar cutter body is in a round table tubular shape with an expanded rear end, the front end of the through hole in the cutter bar cutter body is a large neck part, a sleeve penetrating through the through hole is clamped in the large neck part at the periphery of the front end of the sleeve, the rear end of the sleeve is protruded to be a connector combining part and connected with a connector, a protruding part is arranged at the front end of the sleeve, a plurality of elastic O-shaped rings are connected around the protruding part, the elastic O-shaped rings are connected with an elastic O-shaped ring supporting part, and the elastic O-shaped ring supporting.
- 2. The tool holder for machining as claimed in claim 1, wherein: the elastic O-shaped ring supporting piece consists of a connecting part and a supporting ring; the joint is screwed to the inner periphery of the front end of the through hole, and the support ring is sandwiched between the inner periphery of the large neck and the outer periphery of the sleeve to support the elastic O-ring around the protrusion.
- 3. The tool holder for machining as claimed in claim 2, wherein: the top of the joint is provided with a plurality of mounting holes.
- 4. A cutter bar for machining as claimed in claim 1, wherein at least sleeve-locking grooves are formed on the outer periphery of the sleeve, through-hole-locking grooves corresponding to the sleeve-locking grooves are formed on the inner periphery of the through-hole, and at least locking pieces are interposed between the sleeve-locking grooves and the through-hole-locking grooves.
- 5. The tool holder for machining as claimed in claim 1, wherein: the rear end of the sleeve is connected with the connector.
- 6. The tool holder for machining as claimed in claim 1, wherein: the front end of the connector is connected with a connector joint part at the rear end of the sleeve through a sleeve connecting hole, the connector joint part is smaller than the outer diameter of the sleeve and is provided with a shaft shoulder, a fastening groove is formed in the periphery of the middle of the connector, a fastening hole is formed in the position, corresponding to the fastening groove, of the connector, and the connector and the fastening groove are fixedly connected through a fastening piece.
- 7. The cutter bar for machining of claim 1 wherein the sleeve is divided into two parts in a tubular form with the projection as a reference, the sleeve barrel is sleeved in the through hole at the rear end, the sleeve barrel second barrel is provided with a connecting projection at the front end, the outer periphery of the connecting projection is provided with an external thread, and the sleeve barrel and the sleeve barrel second barrel are connected by a thread.
- 8. The cutter bar for machining of claim 1 wherein the sleeve is divided into two parts in a tubular form with the protrusion as a reference, the sleeve th cylinder is sleeved in the through hole at the rear end and provided with a connecting groove, the protrusion included at the front end is a second cylinder, and the th cylinder and the second cylinder are inserted through the connecting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893327.4U CN209998386U (en) | 2019-06-14 | 2019-06-14 | cutter bar for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920893327.4U CN209998386U (en) | 2019-06-14 | 2019-06-14 | cutter bar for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209998386U true CN209998386U (en) | 2020-01-31 |
Family
ID=69309611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920893327.4U Active CN209998386U (en) | 2019-06-14 | 2019-06-14 | cutter bar for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209998386U (en) |
-
2019
- 2019-06-14 CN CN201920893327.4U patent/CN209998386U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101646307B1 (en) | Tool holder | |
| US9630258B2 (en) | Tool holder assembly with dampening elements | |
| CN203459698U (en) | High-accuracy centering chuck | |
| CN209998386U (en) | cutter bar for machining | |
| CN205020909U (en) | Elasticity jump ring and cutter fixed structure with safety lock structure | |
| CN210587258U (en) | Inner diameter self-compensation tool for pump body and pump cover boring of double suction pump | |
| CN209754049U (en) | Numerical control lathe with three-jaw chuck clamp | |
| CN211101738U (en) | Inclined hole drilling device | |
| JP5790566B2 (en) | Fastening mechanism for cutting head and head exchangeable cutting tool using the same | |
| CN114453998B (en) | Indexing fluted disc grinding positioning mechanism | |
| JP2008114340A (en) | Workpiece mounting tool for machine tool | |
| JP2008049405A (en) | Removable device of rotary tool | |
| CN209774066U (en) | Multifunctional clamp | |
| KR102094909B1 (en) | Tool Holder For Machine Tools | |
| CN219337380U (en) | Grinding wheel positioning fixture with shock attenuation decreases and decreases structure | |
| CN211939918U (en) | Thin wall ring gear is clamping device for bore hole | |
| KR20160050372A (en) | Boring bar holder apparatus | |
| CN218533548U (en) | Novel modular cylinder handle interface | |
| CN216680282U (en) | Clamping device | |
| CN214979297U (en) | End face driving vertical lathe clamp | |
| CN215787004U (en) | Combined tool convenient to process | |
| CN218800119U (en) | Positioning and centering device for connecting sleeve | |
| CN214350921U (en) | Anti-loosening cutter bar group | |
| CN210755210U (en) | Milling machine spindle for processing watchcase | |
| CN214920603U (en) | Clamping jaw for chuck and chuck applying clamping jaw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |