CN209664840U - A kind of follow-rest and numerically-controlled machine tool - Google Patents
A kind of follow-rest and numerically-controlled machine tool Download PDFInfo
- Publication number
- CN209664840U CN209664840U CN201920189213.1U CN201920189213U CN209664840U CN 209664840 U CN209664840 U CN 209664840U CN 201920189213 U CN201920189213 U CN 201920189213U CN 209664840 U CN209664840 U CN 209664840U
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- clamp assemblies
- follow
- rest
- support column
- pedestal
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Abstract
The utility model discloses a kind of follow-rests, including bracket, benchmark clamp assemblies and movable clamp assemblies are provided on the bracket, the middle position of one end of the benchmark clamp assemblies is provided with recess portion, the opening and closing part of the activity clamp assemblies corresponds to the recess portion setting and is set as clamping part to enclose, and the activity clamp assemblies are connect with cylinder.The invention also discloses a kind of numerically-controlled machine tools.By the follow-rest of the utility model, machining accuracy can be improved.
Description
Technical field
The utility model relates to digit ctrol machine tool fields, more particularly to a kind of follow-rest and numerically-controlled machine tool.
Background technique
Clamping component of the current numerically controlled lathe at work on main shaft clamps the rear part of long rod part, long rod part
Preceding part is processed by the cutter on toolframe, and when long rod part is longer, the front partial volume of long rod part easily bends,
Processing progress is influenced, and cutter carries out in process to long rod part, since clamping component is not tight to long rod part sandwiched,
Cause machining accuracy not high, or even produce substandard product, causes the waste of raw material.
Therefore those skilled in the art are dedicated to developing a kind of follow-rest and numerically-controlled machine tool that machining accuracy can be improved.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide one kind to mention
The follow-rest and numerically-controlled machine tool of high manufacturing accuracy.
To achieve the above object, the utility model provides a kind of follow-rest, including bracket, is provided with base on the bracket
Quasi- clamp assemblies and movable clamp assemblies, the middle position of one end of the benchmark clamp assemblies is provided with recess portion, the activity
The opening and closing part of clamp assemblies corresponds to the recess portion setting and is set as clamping part to enclose, and the activity clamp assemblies are connect with cylinder.
Preferably, the benchmark clamp assemblies are arranged to double-layer structure in the one end for being provided with the recess portion, described recessed
The first idler wheel is respectively arranged in the double-layer structure of the two sides in portion.
Preferably, the position that the activity clamp assemblies correspond to the recess portion is arranged to double-layer structure, in double-layer structure
It is provided with the second idler wheel and second pair of rollers answers the recess portion.
Preferably, the bracket has top beam, support column and pedestal, the support column is arranged in the top beam and the bottom
Between seat, the clamping part is arranged between the top beam and the pedestal and the first side of the support column.
Preferably, the top of the pedestal is located at the underface of the movable clamp assemblies, the part on the pedestal top
Surface texture forms step setting in first side, another part table of the bottom end of the support column and the top of the pedestal
The connection of face structure.
Preferably, the bottom end of the support column in the second side for being located at the support column corresponding with first side
Edge is aligned with the tip edge of the pedestal and connect.
Preferably, the pedestal is herringbone structure, the lateral surface on two sides of the herringbone structure bifurcated exists respectively
First side and described second side are arranged than lateral surface described second in a line that first side is arranged in outer side
The orthographic projection length of a line of side is short, and the lateral surface that a line of described second side is arranged in is inner concave arc surface.
Preferably, the support column has mounting hole, the middle section of the activity clamp assemblies is located at the mounting hole
It is interior and carried out by screw and the support column it is hinged, the adjustment portion settings of the activity clamp assemblies with first side phase
Second side of the corresponding support column, the adjustment portion are connect with the cylinder.
Preferably, being provided with cylinder mounting plate on the support column and being located at described second side, the cylinder is mounted on institute
It states on cylinder mounting plate and the piston rod of the cylinder is connect with the movable clamp assemblies.
The utility model additionally provides a kind of numerically-controlled machine tool, including above-mentioned follow-rest.
Preferably, further including fuselage, it is provided with main shaft on the fuselage, clamps cylinder and main carriage, the clamping cylinder and institute
The concentric axis connection of main shaft is stated, the main carriage is provided with planker and cutter；The clamping part be arranged on the planker and with institute
The concentric setting of main shaft is stated, the clamping part is arranged between the main shaft and the cutter.
The beneficial effects of the utility model are: the follow-rest of the utility model guarantees part for the processing of long rod part
With the concentricity of main shaft；Electrical principle has been used, when so that long rod part rotating in follow-rest, has not only increased long rod part
The stability of work in-process reduces bounce, makes the machining accuracy of long rod part within tolerance band；Also achieve stock zero
Part rotation flexibility and with motion of main shaft while property, improve machining accuracy, structure is simple, with the utility model
Numerically-controlled machine tool improves machining accuracy and reduces the loss of raw material and human cost, improves work efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment follow-rest of the utility model clamping trend.
Fig. 2 is the structural schematic diagram that one specific embodiment follow-rest of the utility model unclamps trend.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
As depicted in figs. 1 and 2, the utility model embodiment discloses a kind of follow-rest, including bracket 1, is arranged on bracket 1
There are benchmark clamp assemblies 2 and movable clamp assemblies 3, the middle position of one end of benchmark clamp assemblies 2 is provided with recess portion 21a, living
The opening and closing part corresponding recess 21a of dynamic clamp assemblies 3, which is arranged, is set as clamping part 4 to enclose, and movable clamp assemblies 3 are connect with cylinder 5.It is recessed
Portion 21a is triangle, and in other embodiments, recess portion 21a can be other shapes, such as trapezoidal；Clamping part is pressed from both sides by benchmark
The opening and closing part for holding recess portion on component and movable clamp assemblies, which is enclosed, to be set as, and structure is simple, at the same improve long rod part (such as: electricity
Arbor) machining accuracy.The top of benchmark clamp assemblies is mounting portion, rack-mount, and benchmark clamp assemblies can be upper and lower
It adjusts, corresponding adjusting is carried out according to the position of spindle axis, mounting portion is fixed on bracket by blending bolt after adjusting.
In the present embodiment, benchmark clamp assemblies 2 are arranged to double-layer structure in the one end for being provided with recess portion 21a, in recess portion
The first idler wheel 6 is respectively arranged in the double-layer structure of the two sides of 21a.It is cavity in double-layer structure, two the first idler wheels 6 are set respectively
It sets in the double-layer structure of the two sides recess portion 21a, and the roller surface of the first idler wheel 6 of the two sides recess portion 21a is oppositely arranged and direction
It is arranged inside clamping part 4, so that long rod part is in rotation concentric with main shaft, the first idler wheel and long rod part relative motion,
The damage to long rod part surface can also be reduced.
In the present embodiment, the position of movable 3 corresponding recess 21a of clamp assemblies is arranged to double-layer structure, in double-layer structure
Inside it is provided with the second idler wheel 7 and 7 corresponding recess 21a of the second idler wheel.It is cavity, the roller surface court of the second idler wheel in double-layer structure
It is arranged inside to clamping part 4, so that long rod part, in rotation concentric with main shaft, the first idler wheel is opposite with long rod part to be transported
It is dynamic, the damage to long rod part surface can also be reduced.
In the present embodiment, bracket 1 has top beam 1a, support column 1b and a pedestal 1c, support column 1b setting in top beam 1a and
Between pedestal 1c, clamping part 4 is arranged between top beam 1a and pedestal 1c and the first side of support column 1b.Top beam 1a, support column 1b
It can be and be made into integration with pedestal 1c, be also possible to be composed by other means.
In the present embodiment, the top of pedestal 1c is located at the underface of movable clamp assemblies 3, the part table on the top pedestal 1c
Face structure forms step setting in the first side, and another part surface texture on the top of the bottom end and pedestal 1c of support column 1b connects
It connects.Step be provided be conducive to opening and closing part is supported, reduce opening and closing part at a distance from recess portion, save with recess portion close up when
Between.
In the present embodiment, in the bottom edge of the support column 1b of the second side for being located at support column corresponding with the first side
It is aligned and connect with the tip edge of pedestal 1c.Be conducive to the center of gravity of clamping part is built-in as far as possible.
In the present embodiment, the lower part of bottom institute 1c is provided with fixed adjusting hole 10, may be implemented what benchmark laterally adjusted, leads to
It crosses bolt to be fixed on the planker of numerically controlled lathe across fixed adjusting hole 10, laterally adjust, adjustment is exactly benchmark folder up and down
Component is held, processing long rod part is thus targeted by, then movable clamp assemblies clamp part to be processed again, subsequently begin to
Process long rod part.
In the present embodiment, pedestal 1c is arranged to set up groove 11c；Erection groove 11c is triangular groove, is not made herein
It limits, set up the shape of groove and is mounted under planker and drives planker along the transfer assembly of main-shaft core axis direction back and forth movement
The shape on surface match, the setting that follow-rest is consolidated is on numerically-controlled machine tool.Pedestal 1c is herringbone structure, people
The a line of the first side is arranged in outer side respectively in the first side and second side in the lateral surface on two sides of character form structure bifurcated
Orthographic projection length than a line that second side is arranged in lateral surface is short, and the lateral surface that a line of second side is arranged in is interior
Cancave cambered surface.Two sides of herringbone structure are used to balance the balance of entire follow-rest, when that side of the first side is determined
Afterwards, that a line that second side is arranged in lateral surface is used to balance the balance after entire follow-rest arranges, therefore orthographic projection is long
Degree is long and as far as possible will be built in center of gravity in cancave cambered surface by lateral surface.
In the present embodiment, support column 1b has mounting hole 11b, and the middle section of movable clamp assemblies 3 is located at mounting hole
It is carried out hingedly in 11b and by screw and support column 1b, the adjustment portion of movable clamp assemblies 3 is arranged corresponding with the first side
Second side of support column 1b, the adjustment portion are connect with cylinder 5.When the movement of cylinder control activity clamp assemblies, activity clamping
Component can complete the clamping to long rod part with benchmark clamp assemblies under the action of hinged or decontrol operational motion.
In the present embodiment, it is provided with cylinder mounting plate 8 on support column 1b and is located at second side, cylinder 5 is mounted on cylinder
On mounting plate 8 and the piston rod 5a of cylinder is connect with movable clamp assemblies 3.Cylinder mounting plate 8 is with movable clamp assemblies same
Vertical direction can be set above or below movable clamp assemblies, the switching action of realization activity clamp assemblies.
In the present embodiment, reset spring 9 is connected between cylinder mounting plate 8 and movable clamp assemblies 3.
The utility model embodiment discloses a kind of numerically-controlled machine tool, including above-mentioned follow-rest.
The first side of support column, the tune of movable clamp assemblies is arranged in the opening and closing part of the movable clamp assemblies of the utility model
Second side of support column is arranged in section portion.
In the present embodiment, further include fuselage, main shaft be provided on the fuselage, clamps cylinder and main carriage, clamp cylinder with
The concentric axis connection of main shaft, main carriage are provided with planker and cutter；Clamping part 4 connect with planker and with the concentric setting of main shaft, institute
Clamping part 4 is stated to be arranged between the main shaft and the cutter.Long rod part by clamp cylinder clamping, then by follow-rest into
Row adds surely, and long rod part, clamping cylinder and follow-rest follow main shaft to do concentric shafts movement, and planker can carry out stretching along major axes orientation
Contracting back and forth movement, cutter can be on plankers along vertical major extending direction back and forth movement, clamping part of the long rod part in knife rest
Inside main shaft is followed to be rotated, be arranged by electric automatization, realize processing of the cutter to long rod part, passes through follow-rest reality
The precision for adding to the reinforcing of part before long rod part and surely increasing processing is showed.
In the present embodiment, pedestal 1c is arranged to set up groove 11c；Erection groove 11c is triangular groove, is not made herein
It limits, set up the shape of groove and is mounted under planker and drives planker along the transfer assembly of main-shaft core axis direction back and forth movement
The shape on surface match and be disposed adjacent and be bolted with planker, the setting that follow-rest is consolidated is in numerical control machine
On bed.
The follow-rest of the utility model guarantees the concentricity of part and main shaft for the processing of long rod part；Electricity is used
Gas principle when so that long rod part rotating in follow-rest, not only increases the stability of long rod part work in-process, reduces
Bounce, makes the machining accuracy of long rod part within tolerance band；Also achieve long rod part rotation flexibility and with master
Axis moves while property, improves machining accuracy, and structure is simple, with the numerically-controlled machine tool of the utility model, improves processing essence
The loss for spending and reducing raw material and human cost, improves work efficiency.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of follow-rest is provided with benchmark clamp assemblies (2) and lives it is characterized in that: including bracket (1) on the bracket (1)
Dynamic clamp assemblies (3), the middle position of one end of the benchmark clamp assemblies (2) are provided with recess portion (21a), the activity clamping
The opening and closing part of component (3) corresponds to the recess portion (21a) setting and is set as clamping part (4) with enclosing, the activity clamp assemblies (3) and gas
Cylinder (5) connection.
2. follow-rest as described in claim 1, it is characterized in that: the benchmark clamp assemblies (2) are being provided with the recess portion
The one end of (21a) is arranged to double-layer structure, is respectively arranged with the first idler wheel in the double-layer structure of the two sides of the recess portion (21a)
(6).
3. follow-rest as claimed in claim 2, it is characterized in that: the corresponding recess portion (21a) of the activity clamp assemblies (3)
Position is arranged to double-layer structure, and the second idler wheel (7) and the corresponding recess portion of second idler wheel (7) are provided in double-layer structure
(21a).
4. the follow-rest as described in claims 1 to 3 is any, it is characterized in that: the bracket (1) has top beam (1a), support column
(1b) and pedestal (1c), the support column (1b) are arranged between the top beam (1a) and the pedestal (1c), the clamping part
(4) it is arranged between the top beam (1a) and the pedestal (1c) and the first side of the support column (1b).
5. follow-rest as claimed in claim 4, it is characterized in that: the top of the pedestal (1c) is located at the movable clamp assemblies
(3) underface, the part of the surface structure on pedestal (1c) top form step and are arranged in first side, the support column
The bottom end of (1b) is connect with another part surface texture on the top of the pedestal (1c).
6. follow-rest as claimed in claim 5, it is characterized in that: being located at the support column corresponding with first side
The bottom edge of the support column (1b) of second side is aligned connection with the tip edge of the pedestal (1c).
7. follow-rest as claimed in claim 6, it is characterized in that: the pedestal (1c) is herringbone structure, the herringbone knot
First side is arranged in outer side respectively in first side and described second side in the lateral surface on two sides of structure bifurcated
A line is shorter than the orthographic projection length for a line that described second side is arranged in lateral surface, and is arranged in one of described second side
The lateral surface on side is inner concave arc surface.
8. follow-rest as claimed in claim 4, it is characterized in that: the support column (1b) has mounting hole (11b), the activity
The middle section of clamp assemblies (3) is located in the mounting hole (11b) and is carried out hingedly by screw and the support column (1b),
Second side in the support column (1b) corresponding with first side is arranged in the adjustment portion of the activity clamp assemblies (3),
The adjustment portion is connect with the cylinder (5).
9. follow-rest as claimed in claim 8, it is characterized in that: be provided on the support column (1b) cylinder mounting plate (8) and
Positioned at described second side, the cylinder (5) is mounted on the cylinder mounting plate (8) and the piston rod (5a) of the cylinder and institute
State movable clamp assemblies (3) connection.
10. a kind of numerically-controlled machine tool, it is characterized in that: including follow-rest as described in any of the claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920189213.1U CN209664840U (en) | 2019-02-11 | 2019-02-11 | A kind of follow-rest and numerically-controlled machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920189213.1U CN209664840U (en) | 2019-02-11 | 2019-02-11 | A kind of follow-rest and numerically-controlled machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209664840U true CN209664840U (en) | 2019-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920189213.1U Active CN209664840U (en) | 2019-02-11 | 2019-02-11 | A kind of follow-rest and numerically-controlled machine tool |
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| CN (1) | CN209664840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518359A (en) * | 2020-11-20 | 2021-03-19 | 吉林大学 | Interchangeable installation type numerical control tool rest for numerical control machine tool machining based on reliability consideration |
-
2019
- 2019-02-11 CN CN201920189213.1U patent/CN209664840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112518359A (en) * | 2020-11-20 | 2021-03-19 | 吉林大学 | Interchangeable installation type numerical control tool rest for numerical control machine tool machining based on reliability consideration |
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