CN109333496B - Marking device and method for vertical numerically controlled lathe - Google Patents
Marking device and method for vertical numerically controlled lathe Download PDFInfo
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- CN109333496B CN109333496B CN201811459054.9A CN201811459054A CN109333496B CN 109333496 B CN109333496 B CN 109333496B CN 201811459054 A CN201811459054 A CN 201811459054A CN 109333496 B CN109333496 B CN 109333496B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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Abstract
The invention relates to the technical field of turning, and provides a marking device for a vertical numerically controlled lathe, which comprises a fixed part, a movable part and a scriber assembly, wherein the fixed part and the movable part are fixedly connected through a first locking screw and a locking nut, the scriber assembly comprises an end cover, a sleeve, a scriber and a spring, and the end cover and the movable part are fixedly connected through a second locking screw. The invention also provides a method for scribing by using the device, which is characterized in that the device is clamped and fixed on a tool holder of a vertical numerically controlled lathe, and the device is automatically or manually controlled to scribe the part to be scribed, so that the needle tip is always in contact with the surface of the part to be scribed under the action of the spring and forms enough pressure on the surface of the part to be scribed. The invention can continuously mark on the uneven surface of the woolen cloth so as to improve the marking efficiency and the marking quality, and can be applied to different parts of woolen cloth with different sizes, particularly large-size woolen cloth, so that the adaptability and the expandability are high.
Description
Technical Field
The invention relates to the technical field of turning, in particular to a marking device and method for a vertical numerically controlled lathe.
Background
The modern aviation precision casting casing blank has the characteristics of high manufacturing cost, large size, complex shape, uneven surface, less allowance, difficult detection and the like. At present, the most common means in the detection of the rough materials of the aviation precision casting casing is marking detection. In the existing scribing device and method, a scribing disc or a height gauge is mostly used for manually scribing on a special turntable or a platform. On one hand, when the continuous scribing is carried out on the surface of the rough and uneven woolen material, the damage of a scribing needle is easily caused, so that the continuous scribing is difficult to be carried out on the surface of the rough and uneven woolen material, and the scribing efficiency and the scribing quality are reduced; on the other hand, the manual marking has high labor intensity, high requirement on the technical level of an operator, complex size calculation, poorer adaptability, difficult detection on large-size parts and the like, and the staff for mastering the marking detection technology is relatively less, so that the marking efficiency is further reduced, and the balanced production is hindered.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a marking device and method for a vertical numerically controlled lathe, which can continuously mark on the surface of rough and uneven wool so as to improve the marking efficiency and the marking quality, can be applied to different parts of the wool with different sizes, particularly the wool with large size, so that the adaptability and expandability are high, and the device has the advantages of simple structure, convenience in installation, simplicity in operation and low cost.
The technical scheme of the invention is as follows:
the utility model provides a marking device for vertical numerical control lathe which characterized in that: comprises a fixed part, a movable part and a scriber component;
the tail part of the fixing part is in a flat cuboid shape, and the tail part of the fixing part can be clamped and fixed on a tool holder of the vertical numerically controlled lathe; the head part of the fixed part is fixedly connected with the tail part of the movable part through a first locking screw and a locking nut; the head part of the movable part is provided with a first mounting hole coaxial with the head part of the movable part at the middle shaft, the head part of the movable part is provided with second mounting holes vertical to the central axis of the movable part on two side walls, and the second mounting holes are through holes;
the scriber assembly comprises an end cover, a sleeve, a scriber and a spring, wherein the end cover, the sleeve and the spring are coaxially arranged;
the end cover is in a stepped shaft shape, the end cover sequentially comprises an end cover head shaft section and an end cover tail shaft section which are integrally formed from a head part to a tail part, the outer diameter of the end cover head shaft section is larger than that of the end cover tail shaft section, a first circular groove coaxial with the end cover is formed in the end cover head shaft section, and a first circular through hole coaxial with the end cover and having a diameter smaller than that of the first circular groove is formed in the end cover tail shaft section; an end cover groove perpendicular to the axis of the end cover is formed in the outer side wall of the end cover tail shaft section; the end cover tail shaft section is sleeved in the first mounting hole or the second mounting hole and is locked and fixed through a second locking screw which penetrates into the end cover groove;
the sleeve is in a stepped shaft shape and sequentially comprises a sleeve head shaft section and a sleeve tail shaft section which are integrally formed from a head part to a tail part, the outer diameter of the sleeve head shaft section is smaller than that of the sleeve tail shaft section, a second circular groove coaxial with the sleeve is formed in the sleeve tail shaft section, and a second circular through hole coaxial with the sleeve and having a diameter smaller than that of the second circular groove is formed in the sleeve head shaft section; the inner side wall of the first circular groove is provided with internal threads, the tail shaft section of the sleeve is provided with external threads, and the tail shaft section of the sleeve is connected with the head shaft section of the end cover through threads;
the scriber is in a stepped shaft shape at the tail part, the scriber sequentially comprises a scriber needle head, a scriber head shaft section, a scriber middle shaft collar and a scriber tail shaft section from the head part to the tail part, and the scriber needle head sequentially comprises an integrally formed needle point, a needle head shaft section and a needle head thread shaft section provided with external threads from the head part to the tail part; the diameter of the needle head shaft section is equal to that of the scratch awl head shaft section, a threaded hole coaxial with the scratch awl head shaft section is formed in the head of the scratch awl head shaft section, and the needle head threaded shaft section is in threaded connection with the scratch awl head shaft section; the diameter of the middle shaft collar of the scriber is larger than that of the head shaft section of the scriber and larger than that of the tail shaft section of the scriber, and the head shaft section of the scriber, the middle shaft collar of the scriber and the tail shaft section of the scriber are integrally formed; the middle shaft collar of the scriber is positioned in the second circular groove, and the tail shaft section of the scriber penetrates out of the second circular groove at the tail section and penetrates into the first circular through hole;
the spring is sleeved on the head shaft section or the tail shaft section of the scriber: when the spring is sleeved on the shaft section at the head part of the scriber, the head end of the spring is propped against the bottom of the second circular groove; and secondly, when the spring is sleeved on the shaft section at the tail part of the scribing needle, the tail end of the spring abuts against the bottom of the first circular groove.
The fixed part and the movable part have three position relations: the fixed part is coaxial with the movable part; the central axis of the fixed part is vertical to the central axis of the movable part; and the included angle between the central axis of the fixed part and the central axis of the movable part is an obtuse angle.
The number of the scriber assemblies is one or two or three: firstly, when the number of the scribing needle assemblies is one, the connecting modes of the scribing needle assemblies and the movable part are three, the first connecting mode is that the tail shaft section of the end cover is sleeved into the first mounting hole and is locked and fixed by a second locking screw, the second connecting mode is that the tail shaft section of the end cover is sleeved into one end of the second mounting hole and is locked and fixed by the second locking screw, and the third connecting mode is that the tail shaft section of the end cover is sleeved into the other end of the second mounting hole and is locked and fixed by the second locking screw; when the number of the scribing needle assemblies is two, the shaft sections at the tail parts of the end covers of the two scribing needle assemblies are respectively sleeved into one end of the first mounting hole and one end of the second mounting hole and are respectively locked and fixed by a second locking screw; and when the number of the scribing needle assemblies is three, the shaft section at the tail end of the end cover of one scribing needle assembly is sleeved into the first mounting hole, the shaft sections at the tail end of the end covers of the other two scribing needle assemblies are respectively sleeved into two ends of the second mounting hole, and the scribing needle assemblies are respectively locked and fixed by a second locking screw.
The shape of the scriber needle head can be arranged into a linear type, a zigzag type or a semi-I-shaped type; when the scratch awl needle head is linear, the needle point and the scratch awl needle head are coaxial; when the scribing needle head is in a zigzag shape, the needle head shaft section is divided into three sections from the head part to the tail part, the middle section of the needle head shaft section is perpendicular to the first section of the needle head shaft section and perpendicular to the tail section of the needle head shaft section, the needle point and the first section of the needle head shaft section are coaxial, and the needle point points to the direction far away from the sleeve; and when the scratch needle head is in a semi-I shape, the head shaft section is divided into three sections from the head part to the tail part, the middle section of the head shaft section is perpendicular to the first section of the head shaft section and perpendicular to the tail section of the head shaft section, the needle point is coaxial with the first section of the head shaft section, and the needle point points to the direction close to the sleeve.
The scriber is made of hard alloy.
The scribing method by using the scribing device for the vertical numerically controlled lathe is characterized by comprising the following steps of:
step 1: determining the position relation between the fixed part and the movable part, the number of the scribing needle assemblies and the shape of the head of the scribing needle according to the shape, the size and the position of a part to be scribed, forming the scribing device for the vertical numerically controlled lathe, and clamping and fixing the tail part of the fixed part on a tool holder of the vertical numerically controlled lathe;
step 2: utilizing a tool setting gauge or a sizing surface of a vertical numerically controlled lathe to carry out tool setting on the marking device for the vertical numerically controlled lathe, determining the position of the needle tip in a coordinate system of the vertical numerically controlled lathe, and superposing the coordinate system of the needle tip and the coordinate system of the vertical numerically controlled lathe;
and step 3: setting a coordinate system of a processed part;
and 4, step 4: moving the marking device for the vertical numerically controlled lathe automatically or manually to position the needle tip above a marking starting point of a part to be marked;
and 5: controlling the marking device for the vertical numerically controlled lathe to move towards the surface of the part to be marked, and shrinking the marking needle amm at the concave point of the surface of the part to be marked;
step 6: moving the marking device for the vertical numerically controlled lathe along the surface of the part to be marked, and continuously marking the part to be marked until the required marking is marked; in the scribing process, when the needle point meets the salient point on the surface of the part to be scribed, the scribing needle moves towards the direction far away from the surface of the part to be scribed; when the needle point meets a concave point on the surface of the part to be marked, the scriber moves towards the direction close to the surface of the part to be marked under the action of the spring; under the action of the spring, the needle tip is always contacted with the surface of the part to be marked.
The depth of the scribing is related to the stroke of the scribing needle and the elastic force of the spring, and the stroke of the scribing needle is designed according to the maximum value of the vertical distance of the concave-convex points on the surface of the part needing scribing.
The invention has the beneficial effects that:
firstly, the spring is matched with the end cover, the sleeve and the scriber for use, so that when the needle point meets a convex point on the surface of a part to be scribed, the scriber moves towards the direction far away from the surface of the part to be scribed, the damage of the convex point to the needle point is avoided, when the needle point meets a concave point on the surface of the part to be scribed, the scriber moves towards the direction close to the surface of the part to be scribed under the action of the spring, and the spring ensures that the needle point is always in contact with the surface of the part to be scribed and also ensures that enough pressure is formed on the surface of the part to be scribed, thereby ensuring that continuous scribing can be carried out on the surface of uneven woolen materials, and improving scribing efficiency and scribing quality.
Secondly, the tail part of the fixing part is clamped and fixed on a tool holder of the vertical numerical control lathe, so that on one hand, automatic scribing is realized, the scribing efficiency is improved, the defects of high labor intensity, high requirement on the technical level of an operator, complex size calculation, poor adaptability, difficulty in detecting large-size parts and the like in manual scribing are avoided, and balanced production is facilitated; on the other hand, the functions of the vertical numerical control lathe are expanded, and the simultaneous implementation of scribing detection and turning processing is realized.
Thirdly, the invention determines the position relation between the fixed part and the movable part, the number of the scriber assemblies and the shape of the scriber needle head according to the difference of the shape, the size and the position of the part needing to be scribed, thereby being suitable for different sizes of woollens, especially different parts of large sizes of woollens, and further improving the adaptability and the expandability of the invention.
Fourthly, the scratch awl needle head is connected with the shaft section at the head part of the scratch awl through threads, so that the scratch awl needle head is convenient to detach and replace.
Fifthly, the automatic continuous marking device has the advantages of simple structure, convenience in installation, simplicity in operation and low cost, reduces the quality loss of parts, saves working hours, can bring greater economic benefit and can save cost by tens of thousands of yuan every year through the automatic continuous marking function and the adjustability of the shapes, sizes and connection relations of all parts of the device.
Drawings
FIG. 1 is an exploded view of a scribing device for a vertical numerically controlled lathe according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a scribe pin assembly according to one embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a scribe pin assembly according to a second embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a scriber assembly according to a third embodiment of the present invention;
FIG. 5 is a schematic view of a connection mode between the scribing device for a vertical numerically controlled lathe and the vertical numerically controlled lathe according to the present invention;
FIG. 6 is a schematic view of an end face of a part scribed by the scribing device for a vertical numerically controlled lathe according to the first embodiment of the invention;
FIG. 7 is a schematic view of a bottom surface of a part scribed by the scribing device for a vertical numerically controlled lathe according to the fourth embodiment of the invention;
FIG. 8 is a schematic diagram of an inner diameter of a part scribed by the scribing device for a vertical numerically controlled lathe according to the fifth embodiment of the invention;
FIG. 9 is a schematic diagram of the scribing device for the vertical numerically controlled lathe for scribing the outer diameter of the part according to the sixth embodiment of the invention;
fig. 10 is a schematic view of the scribing device for a vertical numerically controlled lathe for scribing the inclined surface of the part according to the seventh embodiment of the present invention.
In the figure, 1-a fixed part, 2-a movable part, 3-a scriber component, 3-1-an end cover, 3-2-a sleeve, 3-3-a scriber, 3-3-1-a scriber needle head, 3-3-2-a scriber head shaft section, 3-3-3-a scriber middle shaft ring, 3-3-4-a scriber tail shaft section, 3-4-a spring, 4-a first locking screw, 5-a locking nut and 6-a second locking screw.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
The invention aims to provide a scribing device and a scribing method for a vertical numerical control lathe, which can continuously scribe on the surface of rough and uneven wool so as to improve scribing efficiency and scribing quality, can be applied to different parts of the wool with different sizes, particularly the wool with large size, so that the adaptability and expandability are high, and have the advantages of simple structure, convenience in installation, simplicity in operation and low cost.
Example one
In the first embodiment, the scribing apparatus for a vertical numerically controlled lathe according to the present invention is used to scribe an end surface of a part.
Fig. 1 is a schematic view of an exploded structure of a scribing apparatus for a vertical numerically controlled lathe according to a first embodiment of the present invention; fig. 2 is a schematic structural diagram of a scribe pin assembly according to a first embodiment of the present invention; fig. 6 is a schematic diagram of scribing an end face of a part by using the scribing apparatus for a vertical numerically controlled lathe according to the first embodiment of the present invention.
Fig. 5 is a schematic view showing a connection mode between the scribing apparatus for a vertical numerically controlled lathe and the vertical numerically controlled lathe according to the present invention. As can be seen from fig. 5(a) - (f), the scribe pin assembly can be mounted in a direction perpendicular, parallel or oblique to the machine tool table, depending on the requirements of the scribe site. In the first embodiment, the scribe pin assembly is perpendicular to the machine tool table, and the connection method shown in fig. 5(a) is adopted.
The marking device for the vertical numerically controlled lathe comprises a fixed part 1, a movable part 2 and a marking needle assembly 3.
The tail part of the fixing part 1 is in a flat cuboid shape, and the tail part of the fixing part 1 can be clamped and fixed on a tool holder of the vertical numerically controlled lathe; the head part of the fixed part 1 is fixedly connected with the tail part of the movable part 2 through a first locking screw 4 and a locking nut 5; the head of the movable part 2 is provided with a first mounting hole coaxial with the head of the movable part 2 at the middle axis, the head of the movable part 2 is provided with second mounting holes vertical to the central axis of the movable part 2 on two side walls, and the second mounting holes are through holes.
The scriber assembly 3 comprises an end cover 3-1, a sleeve 3-2, a scriber 3-3 and a spring 3-4, wherein the end cover 3-1, the sleeve 3-2 and the spring 3-4 are coaxially arranged.
The end cover 3-1 is in a stepped shaft shape, the end cover 3-1 sequentially comprises an end cover head shaft section and an end cover tail shaft section which are integrally formed from the head part to the tail part, the outer diameter of the end cover head shaft section is larger than that of the end cover tail shaft section, a first circular groove coaxial with the end cover 3-1 is formed in the end cover head shaft section, and a first circular through hole coaxial with the end cover 3-1 and having a diameter smaller than that of the first circular groove is formed in the end cover tail shaft section; an end cover groove vertical to the axis of the end cover 3-1 is formed in the outer side wall of the end cover tail shaft section; the end cover tail shaft section is sleeved in the first mounting hole or the second mounting hole and is locked and fixed through a second locking screw 6, and the second locking screw 6 penetrates into the end cover groove. In the first embodiment, the end cover tail shaft section is sleeved in the first mounting hole.
The sleeve 3-2 is in a stepped shaft shape, the sleeve 3-2 sequentially comprises a sleeve head shaft section and a sleeve tail shaft section which are integrally formed from the head part to the tail part, the outer diameter of the sleeve head shaft section is smaller than that of the sleeve tail shaft section, a second circular groove coaxial with the sleeve 3-2 is formed in the sleeve tail shaft section, and a second circular through hole coaxial with the sleeve 3-2 and having a diameter smaller than that of the second circular groove is formed in the sleeve head shaft section; the inner side wall of the first circular groove is provided with internal threads, the tail shaft section of the sleeve is provided with external threads, and the tail shaft section of the sleeve is connected with the head shaft section of the end cover through threads;
the scratch awl 3-3 is in a stepped shaft shape at the tail part, the scratch awl 3-3 sequentially comprises a scratch awl needle head 3-3-1, a scratch awl head shaft section 3-3-2, a scratch awl middle shaft collar 3-3-3 and a scratch awl tail shaft section 3-3-4 from the head part to the tail part, and the scratch awl needle head 3-3-1 sequentially comprises an integrally formed needle point, a needle head shaft section and a needle head thread shaft section provided with an external thread from the head part to the tail part; the diameter of the needle head shaft section is equal to that of the scratch awl head shaft section 3-3-2, a threaded hole coaxial with the scratch awl head shaft section 3-3-2 is formed in the head of the scratch awl head shaft section 3-3-2, and the needle head threaded shaft section is connected with the scratch awl head shaft section 3-3-2 through threads; the diameter of the middle shaft collar 3-3-3 of the scriber is larger than the diameter of the head shaft section 3-3-2 of the scriber and larger than the diameter of the tail shaft section 3-3-4 of the scriber, and the head shaft section 3-3-2 of the scriber, the middle shaft collar 3-3-3 of the scriber and the tail shaft section 3-3-4 of the scriber are integrally formed; the middle shaft collar 3-3-3 of the scriber is seated in the second circular groove, and the tail shaft section 3-3-4 of the scriber penetrates out of the second circular groove at the tail section and penetrates into the first circular through hole.
The spring 3-4 is sleeved on the head shaft section 3-3-2 or the tail shaft section 3-3-4 of the scriber: firstly, when the spring 3-4 is sleeved on the shaft section 3-3-2 at the head part of the scratch awl, the head end of the spring 3-4 is propped against the bottom of the second circular groove; and secondly, when the spring 3-4 is sleeved on the tail shaft section 3-3-4 of the scriber, the tail end of the spring 3-4 is propped against the bottom of the first circular groove. In the first embodiment, the spring 3-4 is sleeved on the tail shaft section 3-3-4 of the scriber.
The fixed part 1 and the movable part 2 have three position relations: the fixed part 1 is coaxial with the movable part 2, as shown in fig. 5(a), 5(b), 5(c) and 5 (f); the central axis of the fixed part 1 is perpendicular to the central axis of the movable part 2, as shown in fig. 5 (d); and the included angle between the central axis of the fixed part 1 and the central axis of the movable part 2 is an obtuse angle, as shown in fig. 5 (e). In the first embodiment, the fixed part 1 is coaxial with the movable part 2.
The number of the scriber assemblies 3 is one or two or three: firstly, when the scriber component 1 is one, as shown in fig. 5(a), 5(b) and 5(e), the connecting modes of the scriber component 1 and the movable part 2 are three, the first connecting mode is that the tail shaft section of the end cover is sleeved into the first mounting hole and locked and fixed by the second locking screw 6, the second connecting mode is that the tail shaft section of the end cover is sleeved into one end of the second mounting hole and locked and fixed by the second locking screw 6, and the third connecting mode is that the tail shaft section of the end cover is sleeved into the other end of the second mounting hole and locked and fixed by the second locking screw 6; when two scribing needle assemblies 1 are provided, as shown in fig. 5(c) and 5(d), the shaft sections at the tail parts of the end covers of the two scribing needle assemblies 1 are respectively sleeved into one end of the first mounting hole and one end of the second mounting hole and are respectively locked and fixed by a second locking screw 6; and thirdly, when the number of the scribing needle assemblies 1 is three, as shown in fig. 5(f), the shaft section at the tail end of the end cover of one scribing needle assembly 1 is sleeved into the first mounting hole, the shaft sections at the tail end of the end covers of the other two scribing needle assemblies 1 are respectively sleeved into two ends of the second mounting hole, and the scribing needle assemblies are respectively locked and fixed by a second locking screw 6. In the first embodiment, the scriber assembly 1 is one, and the connection mode between the scriber assembly 1 and the movable portion 2 is as follows: and sleeving the shaft section at the tail part of the end cover into the first mounting hole and locking and fixing the shaft section by using a second locking screw 6.
The shape of the scriber needle head 3-3-1 can be arranged to be linear, zigzag or semi-I-shaped; when the scriber needle head 3-3-1 is linear, the needle point is coaxial with the scriber needle head 3-3-1; when the scratch needle head 3-3-1 is in a zigzag shape, the needle head shaft section is divided into three sections from the head part to the tail part, the middle section of the needle head shaft section is perpendicular to the first section of the needle head shaft section and perpendicular to the tail section of the needle head shaft section, the needle point is coaxial with the first section of the needle head shaft section, and the needle point points point to the direction far away from the sleeve 3-2; and when the scratch needle head 3-3-1 is in a half I shape, the needle head shaft section is divided into three sections from the head part to the tail part, the middle section of the needle head shaft section is perpendicular to the first section of the needle head shaft section and perpendicular to the tail section of the needle head shaft section, the needle point is coaxial with the first section of the needle head shaft section, and the needle point points to the direction close to the sleeve 3-2. In the first embodiment, the scriber needle 3-3-1 is linear.
In the first embodiment, the material of the scriber 3-3 is cemented carbide.
The scribing method using the scribing device for the vertical numerically controlled lathe is characterized by comprising the following steps of:
step 1: determining the position relation between the fixed part 1 and the movable part 2, the number of the scribing needle assemblies 3 and the shape of the scribing needle head 3-3-1 according to the shape, the size and the position of a part to be scribed, forming the scribing device for the vertical numerically controlled lathe, and clamping and fixing the tail part of the fixed part 1 on a tool holder of the vertical numerically controlled lathe;
step 2: utilizing a tool setting gauge or a sizing surface of a vertical numerically controlled lathe to carry out tool setting on the marking device for the vertical numerically controlled lathe, determining the position of the needle tip in a coordinate system of the vertical numerically controlled lathe, and superposing the coordinate system of the needle tip and the coordinate system of the vertical numerically controlled lathe;
and step 3: setting a coordinate system of a processed part;
and 4, step 4: moving the marking device for the vertical numerically controlled lathe automatically or manually to position the needle tip above a marking starting point of a part to be marked;
and 5: controlling the marking device for the vertical numerically controlled lathe to move towards the surface of the part to be marked, and shrinking the marking needle amm at the concave point of the surface of the part to be marked;
step 6: moving the marking device for the vertical numerically controlled lathe along the surface of the part to be marked, and continuously marking the part to be marked until the required marking is marked; in the scribing process, when the needle point meets the salient point on the surface of the part to be scribed, the scribing needle moves towards the direction far away from the surface of the part to be scribed; when the needle point meets a concave point on the surface of the part to be marked, the scriber moves towards the direction close to the surface of the part to be marked under the action of a spring 3-4; under the action of the spring 3-4, the needle tip is always contacted with the surface of the part to be marked.
The depth of the scribing is related to the stroke of the scribing needle and the elastic force of the spring 3-4, and the stroke of the scribing needle is designed according to the maximum value of the vertical distance of the concave-convex points on the surface of the part to be scribed.
In the first embodiment, a is 5; the stroke of the scriber is 25mm, and the continuous scribing on the surface of the part to be scribed, with the vertical distance between the convex and concave points within 15mm, can be ensured.
Example two
Fig. 3 is a schematic structural diagram of a scribe pin assembly in the second embodiment.
In the second embodiment, the difference from the first embodiment is that: the part needing to be scribed is difficult to scribe by using a linear type scribing needle head, the scribing needle head 3-3-1 is in a zigzag shape, and the spring 3-4 is sleeved on the tail shaft section 3-3-4 of the scribing needle.
EXAMPLE III
Fig. 4 is a schematic structural diagram of a scribe pin assembly in the third embodiment.
In the third embodiment, the difference from the first embodiment is that: the part needing to be marked is difficult to be marked by a linear type marking needle head, the marking needle head 3-3-1 is in a half I shape, and the spring 3-4 is sleeved on the shaft section 3-3-2 at the head part of the marking needle.
Example four
In the fourth embodiment, the bottom surface of the part is scribed by using the scribing device for a vertical numerically controlled lathe according to the present invention.
Fig. 7 is a schematic view illustrating the bottom surface of the part scribed by the scribing apparatus for a vertical numerically controlled lathe according to the fourth embodiment.
In the fourth embodiment, the difference from the first embodiment is that: the connecting mode of the scriber component 1 and the movable part 2 is as follows: and the shaft section at the tail part of the end cover is sleeved in the second mounting hole.
EXAMPLE five
In the fifth embodiment, the inner diameter of the part is scribed by using the scribing device for the vertical numerically controlled lathe of the present invention.
Fig. 8 is a schematic diagram of scribing the inner diameter of the part by using the scribing apparatus for a vertical numerically controlled lathe in the fifth embodiment.
In the fifth embodiment, the difference from the first embodiment is that: the scriber subassembly is parallel with the lathe workstation, the axis of fixed part 1 with the axis of movable part 2 is perpendicular.
EXAMPLE six
In the sixth embodiment, the scribing device for the vertical numerically controlled lathe of the present invention was used to scribe the outer diameter of the part.
Fig. 9 is a schematic diagram of scribing the outer diameter of the part by using the scribing apparatus for a vertical numerically controlled lathe in the sixth embodiment.
In the sixth embodiment, the difference from the first embodiment is that: the scriber subassembly is parallel with the lathe workstation, the axis of fixed part 1 with the axis of movable part 2 is perpendicular.
EXAMPLE seven
In the seventh embodiment, the scribing device for the vertical numerically controlled lathe of the present invention was used to scribe the inclined surface of the part.
Fig. 10 is a schematic view showing the scribing of the inclined surface of the part using the scribing apparatus for a vertical numerically controlled lathe according to the seventh embodiment.
In the seventh embodiment, the difference from the first embodiment is that: the scriber subassembly sets up with the slope of lathe workstation, the axis of fixed part 1 with the axis of movable part 2 is perpendicular.
It is to be understood that the above-described embodiments are only a few embodiments of the present invention, and not all embodiments. The above examples are only for explaining the present invention and do not constitute a limitation to the scope of protection of the present invention. All other embodiments, which can be derived by those skilled in the art from the above-described embodiments without any creative effort, namely all modifications, equivalents, improvements and the like made within the spirit and principle of the present application, fall within the protection scope of the present invention claimed.
Claims (6)
1. The utility model provides a marking device for vertical numerical control lathe which characterized in that: comprises a fixed part, a movable part and a scriber component;
the tail part of the fixing part is in a flat cuboid shape, and the tail part of the fixing part can be clamped and fixed on a tool holder of the vertical numerically controlled lathe; the head part of the fixed part is fixedly connected with the tail part of the movable part through a first locking screw and a locking nut; the head part of the movable part is provided with a first mounting hole coaxial with the head part of the movable part at the middle shaft, the head part of the movable part is provided with second mounting holes vertical to the central axis of the movable part on two side walls, and the second mounting holes are through holes;
the scriber assembly comprises an end cover, a sleeve, a scriber and a spring, wherein the end cover, the sleeve and the spring are coaxially arranged;
the end cover is in a stepped shaft shape, the end cover sequentially comprises an end cover head shaft section and an end cover tail shaft section which are integrally formed from a head part to a tail part, the outer diameter of the end cover head shaft section is larger than that of the end cover tail shaft section, a first circular groove coaxial with the end cover is formed in the end cover head shaft section, and a first circular through hole coaxial with the end cover and having a diameter smaller than that of the first circular groove is formed in the end cover tail shaft section; an end cover groove perpendicular to the axis of the end cover is formed in the outer side wall of the end cover tail shaft section; the end cover tail shaft section is sleeved in the first mounting hole or the second mounting hole and is locked and fixed through a second locking screw which penetrates into the end cover groove;
the sleeve is in a stepped shaft shape and sequentially comprises a sleeve head shaft section and a sleeve tail shaft section which are integrally formed from a head part to a tail part, the outer diameter of the sleeve head shaft section is smaller than that of the sleeve tail shaft section, a second circular groove coaxial with the sleeve is formed in the sleeve tail shaft section, and a second circular through hole coaxial with the sleeve and having a diameter smaller than that of the second circular groove is formed in the sleeve head shaft section; the inner side wall of the first circular groove is provided with internal threads, the tail shaft section of the sleeve is provided with external threads, and the tail shaft section of the sleeve is connected with the head shaft section of the end cover through threads;
the scriber is in a stepped shaft shape at the tail part, the scriber sequentially comprises a scriber needle head, a scriber head shaft section, a scriber middle shaft collar and a scriber tail shaft section from the head part to the tail part, and the scriber needle head sequentially comprises an integrally formed needle point, a needle head shaft section and a needle head thread shaft section provided with external threads from the head part to the tail part; the diameter of the needle head shaft section is equal to that of the scratch awl head shaft section, a threaded hole coaxial with the scratch awl head shaft section is formed in the head of the scratch awl head shaft section, and the needle head threaded shaft section is in threaded connection with the scratch awl head shaft section; the diameter of the middle shaft collar of the scriber is larger than that of the head shaft section of the scriber and larger than that of the tail shaft section of the scriber, and the head shaft section of the scriber, the middle shaft collar of the scriber and the tail shaft section of the scriber are integrally formed; the middle shaft collar of the scriber is positioned in the second circular groove, and the tail shaft section of the scriber penetrates out of the second circular groove at the tail section and penetrates into the first circular through hole;
the spring is sleeved on the head shaft section or the tail shaft section of the scriber: when the spring is sleeved on the shaft section at the head part of the scriber, the head end of the spring is propped against the bottom of the second circular groove; when the spring is sleeved on the shaft section at the tail part of the scribing needle, the tail end of the spring is propped against the bottom of the first circular groove;
the shape of the scriber needle head can be arranged into a linear type, a zigzag type or a semi-I-shaped type; when the scratch awl needle head is linear, the needle point and the scratch awl needle head are coaxial; when the scribing needle head is in a zigzag shape, the needle head shaft section is divided into three sections from the head part to the tail part, the middle section of the needle head shaft section is perpendicular to the first section of the needle head shaft section and perpendicular to the tail section of the needle head shaft section, the needle point and the first section of the needle head shaft section are coaxial, and the needle point points to the direction far away from the sleeve; and when the scratch needle head is in a semi-I shape, the head shaft section is divided into three sections from the head part to the tail part, the middle section of the head shaft section is perpendicular to the first section of the head shaft section and perpendicular to the tail section of the head shaft section, the needle point is coaxial with the first section of the head shaft section, and the needle point points to the direction close to the sleeve.
2. The scribing device for a vertical numerically controlled lathe according to claim 1, wherein the fixed part and the movable part are in three positional relationships: the fixed part is coaxial with the movable part; the central axis of the fixed part is vertical to the central axis of the movable part; and the included angle between the central axis of the fixed part and the central axis of the movable part is an obtuse angle.
3. The scribing device for a vertical numerically controlled lathe according to claim 1, wherein the number of the scribing needle assemblies is one or two or three: firstly, when the number of the scribing needle assemblies is one, the connecting modes of the scribing needle assemblies and the movable part are three, the first connecting mode is that the tail shaft section of the end cover is sleeved into the first mounting hole and is locked and fixed by a second locking screw, the second connecting mode is that the tail shaft section of the end cover is sleeved into one end of the second mounting hole and is locked and fixed by the second locking screw, and the third connecting mode is that the tail shaft section of the end cover is sleeved into the other end of the second mounting hole and is locked and fixed by the second locking screw; when the number of the scribing needle assemblies is two, the shaft sections at the tail parts of the end covers of the two scribing needle assemblies are respectively sleeved into one end of the first mounting hole and one end of the second mounting hole and are respectively locked and fixed by a second locking screw; and when the number of the scribing needle assemblies is three, the shaft section at the tail end of the end cover of one scribing needle assembly is sleeved into the first mounting hole, the shaft sections at the tail end of the end covers of the other two scribing needle assemblies are respectively sleeved into two ends of the second mounting hole, and the scribing needle assemblies are respectively locked and fixed by a second locking screw.
4. The scribing device for a vertical numerically controlled lathe according to claim 1, wherein the material of the scribe pin is cemented carbide.
5. A scribing method using the scribing device for the vertical numerically controlled lathe according to any one of claims 1 to 4, characterized by comprising the steps of:
step 1: determining the position relation between the fixed part and the movable part, the number of the scribing needle assemblies and the shape of the head of the scribing needle according to the shape, the size and the position of a part to be scribed, forming the scribing device for the vertical numerically controlled lathe, and clamping and fixing the tail part of the fixed part on a tool holder of the vertical numerically controlled lathe;
step 2: utilizing a tool setting gauge or a sizing surface of a vertical numerically controlled lathe to carry out tool setting on the marking device for the vertical numerically controlled lathe, determining the position of the needle tip in a coordinate system of the vertical numerically controlled lathe, and superposing the coordinate system of the needle tip and the coordinate system of the vertical numerically controlled lathe;
and step 3: setting a coordinate system of a processed part;
and 4, step 4: moving the marking device for the vertical numerically controlled lathe automatically or manually to position the needle tip above a marking starting point of a part to be marked;
and 5: controlling the marking device for the vertical numerically controlled lathe to move towards the surface of the part to be marked, and shrinking the marking needle amm at the concave point of the surface of the part to be marked;
step 6: moving the marking device for the vertical numerically controlled lathe along the surface of the part to be marked, and continuously marking the part to be marked until the required marking is marked; in the scribing process, when the needle point meets the salient point on the surface of the part to be scribed, the scribing needle moves towards the direction far away from the surface of the part to be scribed; when the needle point meets a concave point on the surface of the part to be marked, the scriber moves towards the direction close to the surface of the part to be marked under the action of the spring; under the action of the spring, the needle tip is always contacted with the surface of the part to be marked.
6. The scribing method for a vertical numerically controlled lathe according to claim 5, wherein the depth of the scribe line is related to a stroke of the scribe pin designed according to a maximum value of a vertical distance between the concave and convex points on the surface of the portion to be scribed and an elastic force of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459054.9A CN109333496B (en) | 2018-11-30 | 2018-11-30 | Marking device and method for vertical numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459054.9A CN109333496B (en) | 2018-11-30 | 2018-11-30 | Marking device and method for vertical numerically controlled lathe |
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| Publication Number | Publication Date |
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| CN109333496A CN109333496A (en) | 2019-02-15 |
| CN109333496B true CN109333496B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811459054.9A Active CN109333496B (en) | 2018-11-30 | 2018-11-30 | Marking device and method for vertical numerically controlled lathe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112091922B (en) * | 2020-09-09 | 2023-06-06 | 渤海造船厂集团有限公司 | Underwater sound absorption wedge laying scribing and compacting method |
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| KR100563862B1 (en) * | 2004-10-15 | 2006-03-23 | 현대모비스 주식회사 | Angle adjusting typed marking unit |
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| CN109333496A (en) | 2019-02-15 |
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