CN115122122A - Knife rest with anti-pinch function for numerical control machine tool - Google Patents
Knife rest with anti-pinch function for numerical control machine tool Download PDFInfo
- Publication number
- CN115122122A CN115122122A CN202211043708.6A CN202211043708A CN115122122A CN 115122122 A CN115122122 A CN 115122122A CN 202211043708 A CN202211043708 A CN 202211043708A CN 115122122 A CN115122122 A CN 115122122A
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- clamping
- groove
- support
- numerical control
- control machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
Abstract
The invention discloses a tool rest with an anti-pinch function for a numerical control machine tool. According to the invention, the stable groove is formed on the inner side of the clamping groove, the annular grains, the attaching strip and the contact block which are arranged in the stable groove can contact the connecting position of the tool rest base connector, so that stable anti-skidding is carried out in contact, and the deviation in the processing process is avoided; the detachable anti-clamping structure is arranged on the inner side of the clamping block, can protect the cutter and can change the thickness according to the thickness of the cutter to adapt, and a water guide groove is also arranged in the structure, so that cooling liquid can be guided out quickly, and a large amount of cooling liquid is prevented from permeating into a gap between the cutter and the cutter rest; install adjustment mechanism between clamp splice and linking piece, adjustment mechanism can be by manual drive down for inside rotates a piece angle modulation, makes its adaptation in different cutter back contact angle, carries out stable support to it.
Description
Technical Field
The invention relates to the field of machine tool knife rests, in particular to a knife rest with an anti-pinch function for a numerical control machine tool.
Background
The tool post on the numerical control machine tool is an important part for placing the tool, and many tool posts also directly participate in cutting work, such as a square tool post on a horizontal lathe, a turret tool post of a turret lathe, a return pulley tool post of a return pulley type turret lathe, a turret tool post of an automatic lathe, a balance tool post and the like. These tool holders, which both hold the tools and are involved directly in the cutting, are subjected to extreme cutting forces, so that they often become a weak link in the process system.
The Chinese patent application numbers are: the invention discloses a knife rest with an anti-pinch function for a numerical control machine tool, which comprises a lower knife rest, an upper knife rest and a bolt hand wheel, wherein the upper knife rest is connected to the upper surface of the lower knife rest, cooling channels are formed in the upper surfaces and the rear surface of the upper knife rest and the lower knife rest, the cooling channels of the upper knife rest and the lower knife rest are communicated, an attaching layer is fixedly connected to the outer surface of the top end of the lower knife rest, and a first bevel gear is located inside the upper knife rest. This digit control machine tool is with having knife rest of preventing pressing from both sides hindering function can extrude the cutter when the bolt hand wheel at the in-process of screwing, but because the articulamentum on the bolt hand wheel is silicon rubber material, silicon rubber material has high pliability and intensity, can increase the frictional force between bolt hand wheel and the cutter, nevertheless hardness is less than the cutter, so the cutter can not hindered by pressing from both sides, and the adhesion layer is copper product, and the hardness of copper product also is less than the hardness of cutter equally, effectually protects the cutter.
The knife rest in the prior patent and the prior art has the following problems:
firstly, when the tool rest is arranged on the tool rest seat, the contact position is a smooth plane, and the tool rest is easy to deviate due to stress influence in the machining process, so that the stability of the tool rest is influenced;
secondly, in the process of protecting the cutter, an integrated gasket is adopted, and the cutter is pressed and fixed through the gasket, so that the cutter is easy to slip and difficult to replace, the processing cost is high, and the replacement convenience is low;
cooling liquid is easy to permeate into a gap between the clamping position of the cutter and the cutter rest, and the cooling liquid enters the contact position of the gap between the cutter and the cutter rest under friction force, so that the cutter is easy to slip and deviate;
fourthly, when the cutter with different back contact angles is faced, one end of the cutter is often lack of support after being pressed and fixed, and deviation is easily caused;
when the cutter is disassembled, the cutter needs to be pried out manually, and the cutter falls off or is stressed too much and is easy to damage.
Disclosure of Invention
Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a tool rest with anti-pinch function for a numerical control machine tool.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a knife rest that function was hindered to clamp has for digit control machine tool, includes the clamp splice, the clamp splice is equipped with two sets ofly, exists the interval between two sets of upper and lower clamp splices, upper end each screw in both ends has the assistance bolt about in the clamp splice, and the upper end clamp splice middle part screw in has the main bolt, the clamp splice rear is the linking piece, the draw-in groove has been seted up to the rear end in the linking piece, still including locating two sets of the inboard be used for of clamp splice prevent the cutter prevent the clamp structure, install at the adjustment mechanism of two sets of clamp splice backs and adjustable cutter back contact position angle and set up the steady groove that is used for stablizing hookup location in the inboard middle part of draw-in groove.
Preferably, the middle part of the stabilizing groove is provided with a groove with a chamfer-shaped edge, annular lines are distributed from the edge of the groove to the edge of the inner side of the stabilizing groove, and four corners in the stabilizing groove are respectively and integrally formed with a joint strip and a contact block;
the laminating strip is arc-shaped to laminating strip outside radian and contact block inboard radian phase-match, both do not meet.
Preferably, the annular groove is composed of more than forty groups of raised strips, and the raised strips are annularly arranged on the stabilizing groove.
Preferably, the raised thickness of the convex strip, the attaching strip and the contact block in the annular grain is the same.
Preferably, the adjusting mechanism comprises two groups of stabilizing plates arranged on the back of the clamping block, guide grooves formed in two ends of the stabilizing plates, sliding columns penetrating through the inner parts of the guide grooves, a support fixedly arranged in the middle of the top end of the stabilizing plates, a hand wheel arranged at the top of the support, a locking piece arranged at the front end of the support, support plates attached to the inner sides of the two groups of stabilizing plates, ejection pieces arranged on the inner sides of the stabilizing plates, and rotating shafts penetrating through the stabilizing plates, the support plates and the ejection pieces;
guide grooves are also formed in the two ends of the support plate, the two ends of the ejector piece are penetrated by the sliding columns, the sliding columns can stretch into the guide grooves and slide along the guide grooves along with the ejector piece, the middle of the rotating shaft is fixed with the ejector piece, the top of the rotating shaft penetrates through the support and is connected to the bottom of the hand wheel, and the hand wheel rotates to drive the rotating shaft to enable the ejector piece to rotate on the inner side of the support plate.
Preferably, the middle parts of the front end and the rear end of the ejection piece are planar, and the other two end faces of the ejection piece are arc-shaped.
Preferably, the locking piece comprises a handle and a screw rod, and the handle rotates to drive the screw rod to be screwed into the support to abut against the rotating shaft.
Preferably, the anti-clamping structure comprises an upper base plate attached to the bottom of the clamping block at the upper end, a through hole formed in the upper base plate, support blocks fixedly arranged on two sides of the upper base plate, a lower base plate attached to the top of the clamping block at the lower end, and water guide grooves formed in the inner front ends of the upper base plate and the lower base plate;
the supporting blocks are also fixedly arranged on the two sides of the lower backing plate, the outer sides of the upper backing plate and the lower backing plate are locked in through the supporting blocks and fixed on the clamping blocks through bolts, and the end faces of the inner sides of the upper backing plate and the lower backing plate are larger than the end faces of the inner sides of the clamping blocks.
Preferably, the through holes correspond to the sizes and the numbers of the auxiliary bolts and the main bolts, the auxiliary bolts and the main bolts can penetrate through the through holes, and the upper ends of the inner sides of the through holes are in a chamfer shape.
Preferably, the water chute is provided with at least 30 groups, and the bottom of the inner side of the water chute is inclined towards the front end.
The invention has the beneficial effects that:
according to the invention, the stable groove is formed on the inner side of the clamping groove, the annular grains, the attaching strip and the contact block which are arranged in the stable groove can contact the connecting position of the tool rest base connector, so that stable anti-skidding is carried out in contact, and the deviation in the processing process is avoided; the detachable anti-clamping structure is arranged on the inner side of the clamping block, can protect the cutter and can change the thickness according to the thickness of the cutter to adapt, and a water guide groove is also arranged in the structure, so that cooling liquid can be guided out quickly, and a large amount of cooling liquid is prevented from permeating into a gap between the cutter and the cutter rest; install adjustment mechanism between clamp splice and linking piece, adjustment mechanism can be by manual drive down for inside rotation piece angle modulation makes its adaptation in different cutter back contact angle, carries out stable support to it.
The tool rest comprises a tool rest body, wherein the tool rest body is provided with a plurality of fixing grooves, annular grain inner convex strips, attaching strips and contact blocks in the fixing grooves are in contact with a connector, the attaching strips and the contact blocks realize side edge skid resistance, the contact surfaces of the annular grains are large, and intervals are reserved between the convex strips, so that a stable anti-deviation effect is realized by matching the attaching strips and the contact blocks, the stability of the whole tool rest is realized in the machining process, and the deviation is avoided;
the ejection part is arranged, wherein two ends of the ejection part are arc-shaped, the ejection part can rotate in the support plate when the hand wheel drives the rotating shaft, two ends of the ejection part slide in the guide grooves through the sliding columns to stably guide, so that stable angle adjustment is realized, the middle part of the front end of the ejection part is a plane, the support force is strong, the ejection part is not easy to deviate, the rotating shaft is limited by the locking part, the whole ejection part is stable, and the ejection part can eject the tool by rotating, so that the ejection part can be moved out of a clamping position more conveniently after being used;
the supporting plate is arranged, wherein the supporting plate can contact the ejection piece, the supporting plate is internally provided with a guide groove, but the supporting plate does not rotate along with the ejection piece, and the upper position and the lower position of the ejection piece can be limited so as to be stably adjusted;
the upper backing plate is provided with through holes corresponding to the auxiliary bolts and the main bolts, so that the auxiliary bolts and the main bolts can conveniently penetrate through the upper backing plate to press the cutter, the stability of the bolts to the cutter cannot be influenced, the bolts can be conveniently guided, the cutter is prevented from being damaged due to the fact that the bolts do not correspond to each other, and the contact between the cutter and the clamping blocks is reduced;
the setting of guiding gutter, wherein the guiding gutter all with arrange at upper and lower backing plate front end edge, the inside slope form that is of guiding gutter is convenient for derive the coolant liquid, makes it can not continuously permeate between cutter and the knife rest, influences the clamping-force.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the stabilizing trough of the present invention;
FIG. 3 is a schematic view of the adjustment mechanism of the present invention;
FIG. 4 is a schematic view of an explosive structure of the adjustment mechanism of the present invention;
FIG. 5 is a schematic view of an anti-pinch structure of the present invention;
FIG. 6 is a schematic view of a partial structure of the anti-pinch structure of the present invention.
Wherein: the anti-pinch device comprises a clamping block-1, an auxiliary bolt-2, a main bolt-3, an anti-pinch structure-4, an adjusting mechanism-5, a connecting block-6, a clamping groove-7, a stable groove-8, a groove-8 a, an annular line-8 b, a joint strip-8 c, a contact block-8 d, a stable plate-51, a guide groove-52, a sliding column-53, a support-54, a hand wheel-55, a locking piece-56, a support plate-57, an ejector piece-58, a rotating shaft-59, an upper base plate-41, a through hole-42, a support block-43, a lower base plate-44 and a water guide groove-45.
Detailed Description
In order to further explain the technical scheme of the invention, the following detailed description is given by specific examples.
Referring to fig. 1, the invention provides a tool rest with an anti-pinch function for a numerical control machine tool, which comprises two groups of clamping blocks 1, wherein two groups of clamping blocks 1 are arranged, a space exists between the upper and lower groups of clamping blocks 1, two groups of auxiliary bolts 2 are screwed into the left and right ends of the upper clamping block 1 respectively, a main bolt 3 is screwed into the middle of the upper clamping block 1, the four groups of auxiliary bolts 2 and the main bolt 3 are screwed downwards to abut against a tool inserted between the upper and lower groups of clamping blocks 1 from the outside, a linking block 6 is arranged behind the clamping block 1, a clamping groove 7 is formed in the linking block 6 at the rear end, the tool rest further comprises an anti-pinch structure 4 arranged inside the two groups of clamping blocks 1 and used for protecting the tool, an adjusting mechanism 5 arranged on the back surfaces of the two groups of clamping blocks 1 and used for adjusting the angle of the back surface contact position of the tool, and a stabilizing groove 8 arranged in the middle of the inner side of the clamping groove 7 and used for stabilizing the connecting position, and the clamping groove 7 is connected with a tool rest seat to realize fixation.
Referring to fig. 2, the invention provides a tool rest with an anti-pinch function for a numerical control machine tool, wherein a groove 8a with a chamfered edge is formed in the middle of a stabilizing groove 8, annular lines 8b are distributed from the edge of the groove 8a to the edge of the inner side of the stabilizing groove 8, four corners in the stabilizing groove 8 are respectively and integrally formed with a bonding strip 8c and a contact block 8d, and the groove 8a facilitates the convex column in the connecting position at the front end of a tool rest seat to be embedded and pressed and fixed; the attaching strip 8c is arc-shaped, the radian of the outer side of the attaching strip 8c is matched with the radian of the inner side of the contact block 8d, and the attaching strip and the contact block are not connected, so that double-contact antiskid is realized; the annular grains 8b are formed by more than forty groups of raised lines which are annularly arranged on the stabilizing groove 8, and the raised lines are annularly arranged, so that uniform and stable stress can be realized, and multidirectional antiskid can be realized; the protruding thickness of 8d of the inside sand grip of annular line 8b, laminating strip 8c and contact piece is the same, and contact position atress is stable.
When needs connect knife rest and knife rest seat, meet draw-in groove 7 with the connector on the knife rest seat, then rotate the handle on the knife rest seat, make the firm structure of pressure of connector front end support firm groove 8, the inside sand grip of the inside annular line 8b of firm groove 8, laminating strip 8c and contact piece 8d contact the connector, laminating strip 8c and contact piece 8d realize the side antiskid, and annular line 8b can contact the face big, and between there is the interval the sand grip, cooperation laminating strip 8c and contact piece 8d realize stable prevent the effect of shifting partially.
Referring to fig. 3-4, the invention provides a tool holder with anti-pinch function for a numerically-controlled machine tool, wherein an adjusting mechanism 5 comprises two groups of stabilizing plates 51 arranged on the back of a clamping block 1, guide grooves 52 arranged at two ends in the stabilizing plates 51, sliding columns 53 penetrating through the guide grooves 52, a support 54 fixedly arranged in the middle of the top end of the stabilizing plates 51, a hand wheel 55 arranged at the top of the support 54, a locking piece 56 arranged at the front end of the support 54, support plates 57 attached to the inner sides of the two groups of stabilizing plates 51, ejection pieces 58 arranged on the inner sides of the stabilizing plates 51, and a rotating shaft 59 penetrating through the stabilizing plates 51, the support plates 57 and the ejection pieces 58;
If stable support is needed according to the contact angle of the back of the cutter, a user rotates the hand wheel 55, the hand wheel 55 drives the rotating shaft 59 to rotate, the rotating shaft 59 can drive the ejecting piece 58 to slide inside the supporting plate 57, the sliding rods at two ends of the ejecting piece 58 can slide in the guide grooves 52 in the rotating process to perform stable guide, and after the angle is adjusted, the handle on the locking piece 56 is rotated, the rotating shaft 59 is limited by the screw rod, and the adjustment of the angle position can be completed.
Referring to fig. 5-6, the invention provides a tool holder with anti-pinch function for a numerical control machine tool, the anti-pinch structure 4 comprises an upper pad 41 attached to the bottom of an upper end clamping block 1, a through hole 42 arranged in the upper pad 41, support blocks 43 fixedly arranged on two sides of the upper pad 41, a lower pad 44 attached to the top of a lower end clamping block 1, and a water guide groove 45 arranged at the inner front end of the upper pad 41 and the lower pad 44;
the supporting blocks 43 are fixedly arranged on two sides of the lower backing plate 44, the outer sides of the upper backing plate 41 and the lower backing plate 44 are locked in by the supporting blocks 43 and fixed on the clamping block 1 through bolts, and the sizes of the end surfaces of the inner sides of the upper backing plate 41 and the lower backing plate 44 are larger than that of the end surface of the inner side of the clamping block 1, so that the upper position and the lower position of a cutter can be protected conveniently, and clamping damage is avoided; the through holes 42 correspond to the sizes and the number of the auxiliary bolts 2 and the main bolts 3, the auxiliary bolts 2 and the main bolts 3 can pass through the through holes 42, and the upper ends of the inner sides of the through holes 42 are in a chamfer shape, so that the bolts can penetrate through the through holes to stably fix the cutter; the water chute 45 is at least provided with 30 groups, the bottom of the inner side of the water chute is inclined towards the front end, the water guiding stability is high, and cooling liquid can be conveniently and quickly led out.
Before the installation cutter, earlier with upper and lower two sets of backing plates through a piece 43 lock bolt, be connected to the 1 outside of clamp splice, can accomplish the installation, then arrange the cutter in between two sets of backing plates, assist bolt 2 through rotating, main bolt 3 moves down, make it run through the through-hole in the upper padding plate, then press the cutter, other positions carry out stable pressure by the backing plate on the cutter and fix, carry out stable protection to it, and in the course of working, the coolant liquid enters into on knife rest and the cutter, the accessible guiding gutter stabilizes quick derivation, avoid too much remaining in cutter and knife rest hookup location gap.
The upper shim plate 41 and the lower shim plate 44 described in this embodiment have the same thickness, and both can be replaced by different thicknesses, and are customized according to the thickness of the tool, but the shim plates have the same thickness and the same function, and only the thicknesses are changed, so that the shim plates can be more suitable for tools with different thicknesses.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The tool rest with the clamping-injury preventing function for the numerical control machine tool comprises clamping blocks (1), wherein two groups of clamping blocks (1) are arranged, a space exists between the upper group of clamping blocks and the lower group of clamping blocks (1), auxiliary bolts (2) are screwed into the left end and the right end of the clamping blocks (1) at the upper end respectively, main bolts (3) are screwed into the middle parts of the clamping blocks (1) at the upper end, a connecting block (6) is arranged behind the clamping blocks (1), and a clamping groove (7) is formed in the rear end of the connecting block (6);
the method is characterized in that: the clamping device is characterized by further comprising an anti-clamping structure (4) arranged on the inner side of the clamping block (1) and used for protecting a cutter, an adjusting mechanism (5) arranged on the back of the two clamping blocks (1) and capable of adjusting the angle of the contact position of the back of the cutter, and a stabilizing groove (8) arranged in the middle of the inner side of the clamping groove (7) and used for stabilizing the connection position.
2. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 1, characterized in that: a groove (8 a) with a chamfered edge is formed in the middle of the stabilizing groove (8), annular grains (8 b) are distributed from the edge of the groove (8 a) to the edge of the inner side of the stabilizing groove (8), and a joint strip (8 c) and a contact block (8 d) are integrally formed at four corners in the stabilizing groove (8) respectively;
the attaching strip (8 c) is arc-shaped, the outer radian of the attaching strip (8 c) is matched with the inner radian of the contact block (8 d), and the attaching strip (8 c) and the contact block are not connected.
3. The tool rest with the anti-pinch function for the numerical control machine tool as claimed in claim 2, wherein: the annular grains (8 b) are composed of more than forty groups of raised lines which are annularly arranged on the stabilizing groove (8).
4. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 2 or 3, characterized in that: the protruding thickness of the annular grain (8 b) inner raised line, the attaching strip (8 c) and the contact block (8 d) is the same.
5. The tool rest with the anti-pinch function for the numerical control machine tool as claimed in claim 2, wherein: the adjusting mechanism (5) comprises two groups of stabilizing plates (51) arranged on the back of the clamping block (1), guide grooves (52) formed in two ends of the stabilizing plates (51), sliding columns (53) penetrating through the interior of the guide grooves (52), a support (54) fixedly arranged in the middle of the top end of the stabilizing plates (51), a hand wheel (55) arranged at the top of the support (54), a locking piece (56) arranged at the front end of the support (54), support plates (57) attached to the inner sides of the two groups of stabilizing plates (51), an ejector piece (58) arranged on the inner side of the stabilizing plates (51) and a rotating shaft (59) penetrating through the stabilizing plates (51), the support plates (57) and the ejector piece (58);
guide grooves (52) are also formed in two ends of the support plate (57), two ends of the ejector piece (58) are penetrated through the sliding columns (53), the sliding columns (53) can extend into the guide grooves (52) and slide along the guide grooves (52) along with the ejector piece (58), the middle of the rotating shaft (59) is fixed with the ejector piece (58), the top of the rotating shaft (59) penetrates through the support (54) and is connected to the bottom of the hand wheel (55), and the hand wheel (55) rotates to drive the rotating shaft (59) to enable the ejector piece (58) to rotate on the inner side of the support plate (57).
6. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 5, characterized in that: the middle parts of the front end and the rear end of the ejection piece (58) are planar, and the other two end faces are arc-shaped.
7. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 6, characterized in that: the locking piece (56) consists of a handle and a screw rod, and the handle rotates to drive the screw rod to be screwed into the support (54) and abut against the rotating shaft (59).
8. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 1, characterized in that: the anti-pinch structure (4) comprises an upper base plate (41) attached to the bottom of the clamping block (1) at the upper end, a through hole (42) formed in the upper base plate (41), support blocks (43) fixedly arranged on two sides of the upper base plate (41), a lower base plate (44) attached to the top of the clamping block (1) at the lower end and a water guide groove (45) formed in the upper base plate (41) and the lower base plate (44) at the front end;
support blocks (43) are fixedly arranged on two sides of the lower cushion plate (44), the outer sides of the upper cushion plate (41) and the lower cushion plate (44) are locked in through the support blocks (43) and fixed on the clamping blocks (1), and the end faces of the inner sides of the upper cushion plate (41) and the lower cushion plate (44) are larger than the end faces of the inner sides of the clamping blocks (1).
9. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 8, characterized in that: the through holes (42) correspond to the sizes and the numbers of the auxiliary bolts (2) and the main bolts (3), the through holes (42) can be used for the auxiliary bolts (2) and the main bolts (3) to penetrate through, and the upper ends of the inner sides of the through holes (42) are in a chamfer shape.
10. The tool rest with the anti-pinch function for the numerical control machine tool according to claim 8 or 9, characterized in that: the water chute (45) is at least provided with 30 groups, and the bottom of the inner side of the water chute inclines towards the front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211043708.6A CN115122122B (en) | 2022-08-30 | 2022-08-30 | Knife rest with anti-pinch function for numerical control machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211043708.6A CN115122122B (en) | 2022-08-30 | 2022-08-30 | Knife rest with anti-pinch function for numerical control machine tool |
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| CN115122122A true CN115122122A (en) | 2022-09-30 |
| CN115122122B CN115122122B (en) | 2022-11-29 |
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